src/configtest.php

   1 <?php
   2
   3 /**
   4  * SquirrelMail configtest script
   5  *
   6  * @copyright &copy; 2003-2006 The SquirrelMail Project Team
   7  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
   8  * @version $Id$
   9  * @package squirrelmail
  10  * @subpackage config
  11  */
  12
  13 /************************************************************
  14  * NOTE: you do not need to change this script!             *
  15  * If it throws errors you need to adjust your config.      *
  16  ************************************************************/
  17
  18 // This script could really use some restructuring as it has grown quite rapidly
  19 // but is not very 'clean'. Feel free to get some structure into this thing.
  20 $warnings = 0;
  21
  22 function do_err($str, $fatal = TRUE) {
  23     global $IND, $warnings;
  24     $level = $fatal ? 'FATAL ERROR:' : 'WARNING:';
  25     echo '<p>'.$IND.'<font color="red"><b>' . $level . '</b></font> ' .$str. "</p>\n";
  26     if($fatal) {
  27         echo '</body></html>';
  28         exit;
  29     } else {
  30         $warnings++;
  31     }
  32 }
  33
  34 $IND = str_repeat('&nbsp;',4);
  35
  36 ob_implicit_flush();
  37 /** @ignore */
  38 define('SM_PATH', '../');
  39
  40 /* set default value in order to block remote access to script */
  41 $allow_remote_configtest=false;
  42
  43 /*
  44  * Load config before output begins. functions/strings.php depends on
  45  * functions/globals.php. functions/global.php needs to be run before
  46  * any html output starts. If config.php is missing, error will be displayed
  47  * later.
  48  */
  49 if (file_exists(SM_PATH . 'config/config.php')) {
  50         require(SM_PATH . 'config/config.php');
  51 }
  52 require(SM_PATH . 'functions/global.php');
  53 require(SM_PATH . 'functions/strings.php');
  54
  55 /**
  56  * get_location starts session and must be run before output is started.
  57  */
  58 $test_location = get_location();
  59
  60 ?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  61   "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
  62 <html>
  63 <head>
  64   <meta name="robots" content="noindex,nofollow">
  65   <title>SquirrelMail configtest</title>
  66 </head>
  67 <body>
  68 <h1>SquirrelMail configtest</h1>
  69
  70 <p>This script will try to check some aspects of your SquirrelMail configuration
  71 and point you to errors whereever it can find them. You need to go run <tt>conf.pl</tt>
  72 in the <tt>config/</tt> directory first before you run this script.</p>
  73
  74 <?php
  75
  76 $included = array_map('basename', get_included_files() );
  77 if(!in_array('config.php', $included)) {
  78     if(!file_exists(SM_PATH . 'config/config.php')) {
  79         do_err('Config file '.SM_PATH . 'config/config.php does not exist!<br />'.
  80                 'You need to run <tt>conf.pl</tt> first.');
  81     }
  82     do_err('Could not read '.SM_PATH.'config/config.php! Check file permissions.');
  83 }
  84 if(!in_array('strings.php', $included)) {
  85     do_err('Could not include '.SM_PATH.'functions/strings.php!<br />'.
  86             'Check permissions on that file.');
  87 }
  88
  89 /* Block remote use of script */
  90 if (! $allow_remote_configtest) {
  91     sqGetGlobalVar('REMOTE_ADDR',$client_ip,SQ_SERVER);
  92     sqGetGlobalVar('SERVER_ADDR',$server_ip,SQ_SERVER);
  93
  94     if ((! isset($client_ip) || $client_ip!='127.0.0.1') &&
  95             (! isset($client_ip) || ! isset($server_ip) || $client_ip!=$server_ip)) {
  96         do_err('Enable "Allow remote configtest" option in squirrelmail configuration in order to use this script.');
  97     }
  98 }
  99 /* checking PHP specs */
 100
 101 echo "<p><table>\n<tr><td>SquirrelMail version:</td><td><b>" . $version . "</b></td></tr>\n" .
 102     '<tr><td>Config file version:</td><td><b>' . $config_version . "</b></td></tr>\n" .
 103     '<tr><td>Config file last modified:</td><td><b>' .
 104     date ('d F Y H:i:s', filemtime(SM_PATH . 'config/config.php')) .
 105     "</b></td></tr>\n</table>\n</p>\n\n";
 106
 107 /* check $config_version */
 108 if ($config_version!='1.4.0') {
 109     do_err('Configuration file version does not match required version. Please update your configuration file.');
 110 }
 111
 112 echo "Checking PHP configuration...<br />\n";
 113
 114 if(!check_php_version(4,1,0)) {
 115     do_err('Insufficient PHP version: '. PHP_VERSION . '! Minimum required: 4.1.0');
 116 }
 117
 118 echo $IND . 'PHP version ' . PHP_VERSION . ' OK. (You have: ' . phpversion() . ". Minimum: 4.1.0)<br />\n";
 119 /* test for boolean false and any string that is not equal to 'off' */
 120 if ((bool) ini_get('register_globals') &&
 121     strtolower(ini_get('register_globals'))!='off') {
 122         do_err('You have register_globals turned on.  This is not an error, but it CAN be a security hazard.  Consider turning register_globals off.', false);
 123 }
 124 $php_exts = array('session','pcre');
 125 $diff = array_diff($php_exts, get_loaded_extensions());
 126 if(count($diff)) {
 127     do_err('Required PHP extensions missing: '.implode(', ',$diff) );
 128 }
 129
 130 echo $IND . "PHP extensions OK.<br />\n";
 131
 132 /* dangerous php settings */
 133 /**
 134  * mbstring.func_overload allows to replace original string and regexp functions
 135  * with their equivalents from php mbstring extension. It causes problems when
 136  * scripts analyze 8bit strings byte after byte or use 8bit strings in regexp tests.
 137  * Setting can be controlled in php.ini (php 4.2.0), webserver config (php 4.2.0)
 138  * and .htaccess files (php 4.3.5).
 139  */
 140 if (function_exists('mb_internal_encoding') &&
 141     check_php_version(4,2,0) &&
 142     (int)ini_get('mbstring.func_overload')!=0) {
 143     $mb_error='You have enabled mbstring overloading.'
 144         .' It can cause problems with SquirrelMail scripts that rely on single byte string functions.';
 145     do_err($mb_error);
 146 }
 147
 148 /* checking paths */
 149
 150 echo "Checking paths...<br />\n";
 151
 152 if(!file_exists($data_dir)) {
 153     // data_dir is not that important in db_setups.
 154     if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
 155         $data_dir_error = "Data dir ($data_dir) does not exist!\n";
 156         echo $IND .'<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
 157     } else {
 158         do_err("Data dir ($data_dir) does not exist!");
 159     }
 160 }
 161 // don't check if errors
 162 if(!isset($data_dir_error) && !is_dir($data_dir)) {
 163     if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
 164         $data_dir_error = "Data dir ($data_dir) is not a directory!\n";
 165         echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
 166     } else {
 167         do_err("Data dir ($data_dir) is not a directory!");
 168     }
 169 }
 170 // datadir should be executable - but no clean way to test on that
 171 if(!isset($data_dir_error) && !is_writable($data_dir)) {
 172     if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
 173         $data_dir_error = "Data dir ($data_dir) is not writable!\n";
 174         echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
 175     } else {
 176         do_err("Data dir ($data_dir) is not writable!");
 177     }
 178 }
 179
 180 if (isset($data_dir_error)) {
 181     echo " Some plugins might need access to data directory.<br />\n";
 182 } else {
 183     // todo_ornot: actually write something and read it back.
 184     echo $IND . "Data dir OK.<br />\n";
 185 }
 186
 187 if($data_dir == $attachment_dir) {
 188     echo $IND . "Attachment dir is the same as data dir.<br />\n";
 189     if (isset($data_dir_error)) {
 190         do_err($data_dir_error);
 191     }
 192 } else {
 193     if(!file_exists($attachment_dir)) {
 194         do_err("Attachment dir ($attachment_dir) does not exist!");
 195     }
 196     if (!is_dir($attachment_dir)) {
 197         do_err("Attachment dir ($attachment_dir) is not a directory!");
 198     }
 199     if (!is_writable($attachment_dir)) {
 200         do_err("I cannot write to attachment dir ($attachment_dir)!");
 201     }
 202     echo $IND . "Attachment dir OK.<br />\n";
 203 }
 204
 205
 206 /* check plugins and themes */
 207 $bad_plugins = array(
 208         'attachment_common',      // Integrated into SquirrelMail 1.2 core
 209         'auto_prune_sent',        // Obsolete: See Proon Automatic Folder Pruning plugin
 210         'compose_new_window',     // Integrated into SquirrelMail 1.4 core
 211         'delete_move_next',       // Integrated into SquirrelMail 1.5 core
 212         'disk_quota',             // Obsolete: See Check Quota plugin
 213         'email_priority',         // Integrated into SquirrelMail 1.2 core
 214         'emoticons',              // Obsolete: See HTML Mail plugin
 215         'focus_change',           // Integrated into SquirrelMail 1.2 core
 216         'folder_settings',        // Integrated into SquirrelMail 1.5.1 core
 217         'global_sql_addressbook', // Integrated into SquirrelMail 1.4 core
 218         'hancock',                // Not Working: See Random Signature Taglines plugin
 219         'msg_flags',              // Integrated into SquirrelMail 1.5.1 core
 220         'message_source',         // Added to SquirrelMail 1.4 Core Plugins (message_details)
 221         'motd',                   // Integrated into SquirrelMail 1.2 core
 222         'paginator',              // Integrated into SquirrelMail 1.2 core
 223         'printer_friendly',       // Integrated into SquirrelMail 1.2 core
 224         'procfilter',             // Obsolete: See Server Side Filter plugin
 225         'redhat_php_cgi_fix',     // Integrated into SquirrelMail 1.1.1 core
 226         'send_to_semicolon',      // Integrated into SquirrelMail 1.4.1 core
 227         'spamassassin',           // Not working beyond SquirrelMail 1.2.7: See Spamassassin SpamFilter (Frontend) v2 plugin
 228         'sqcalendar',             // Added to SquirrelMail 1.2 Core Plugins (calendar)
 229         'sqclock',                // Integrated into SquirrelMail 1.2 core
 230         'sql_squirrel_logger',    // Obsolete: See Squirrel Logger plugin
 231         'tmda',                   // Obsolete: See TMDA Tools plugin
 232         'vacation',               // Obsolete: See Vacation Local plugin
 233         'view_as_html',           // Integrated into SquirrelMail 1.5.1 core
 234         'xmailer'                 // Integrated into SquirrelMail 1.2 core
 235         );
 236
 237 if (isset($plugins[0])) {
 238     foreach($plugins as $plugin) {
 239         if(!file_exists(SM_PATH .'plugins/'.$plugin)) {
 240             do_err('You have enabled the <i>'.$plugin.'</i> plugin, but I cannot find it.', FALSE);
 241         } elseif (!is_readable(SM_PATH .'plugins/'.$plugin.'/setup.php')) {
 242             do_err('You have enabled the <i>'.$plugin.'</i> plugin, but I cannot read its setup.php file.', FALSE);
 243         } elseif (in_array($plugin, $bad_plugins)) {
 244             do_err('You have enabled the <i>'.$plugin.'</i> plugin, which causes problems with this version of SquirrelMail. Please check the ReleaseNotes or other documentation for more information.', false);
 245         }
 246     }
 247     // load plugin functions
 248     include_once(SM_PATH . 'functions/plugin.php');
 249     // turn on output buffering in order to prevent output of new lines
 250     ob_start();
 251     foreach ($plugins as $name) {
 252         use_plugin($name);
 253     }
 254     // get output and remove whitespace
 255     $output = trim(ob_get_contents());
 256     ob_end_clean();
 257     // if plugins output more than newlines and spacing, stop script execution.
 258     if (!empty($output)) {
 259         $plugin_load_error = 'Some output is produced when plugins are loaded.'
 260             .' Usually it means error. Output said: '.htmlspecialchars($output);
 261         do_err($plugin_load_error);
 262     }
 263     /**
 264      * Hook is added in 1.5.2. Plugins should print error message and return true
 265      * if there is an error in plugin.
 266      */
 267     $plugin_err = boolean_hook_function('configtest');
 268     if($plugin_err) {
 269         do_err('Some plugin tests failed.');
 270     } else {
 271         echo $IND . "Plugins OK.<br />\n";
 272     }
 273 } else {
 274     echo $IND . "Plugins are not enabled in config.<br />\n";
 275 }
 276 foreach($theme as $thm) {
 277     if(!file_exists($thm['PATH'])) {
 278         do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot find it ('.$thm['PATH'].').', FALSE);
 279     } elseif(!is_readable($thm['PATH'])) {
 280         do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot read it ('.$thm['PATH'].').', FALSE);
 281     }
 282 }
 283
 284 echo $IND . "Themes OK.<br />\n";
 285
 286 if ( $squirrelmail_default_language != 'en_US' ) {
 287     $loc_path = SM_PATH .'locale/'.$squirrelmail_default_language.'/LC_MESSAGES/squirrelmail.mo';
 288     if( ! file_exists( $loc_path ) ) {
 289         do_err('You have set <i>' . $squirrelmail_default_language .
 290                 '</i> as your default language, but I cannot find this translation (should be '.
 291                 'in <tt>' . $loc_path . '</tt>). Please note that you have to download translations '.
 292                 'separately from the main SquirrelMail package.', FALSE);
 293     } elseif ( ! is_readable( $loc_path ) ) {
 294         do_err('You have set <i>' . $squirrelmail_default_language .
 295                 '</i> as your default language, but I cannot read this translation (file '.
 296                 'in <tt>' . $loc_path . '</tt> unreadable).', FALSE);
 297     } else {
 298         echo $IND . "Default language OK.<br />\n";
 299     }
 300 } else {
 301     echo $IND . "Default language OK.<br />\n";
 302 }
 303
 304 echo $IND . "Base URL detected as: <tt>" . htmlspecialchars($test_location) . "</tt><br />\n";
 305
 306 /* check minimal requirements for other security options */
 307
 308 /* imaps or ssmtp */
 309 if($use_smtp_tls == 1 || $use_imap_tls == 1) {
 310     if(!check_php_version(4,3,0)) {
 311         do_err('You need at least PHP 4.3.0 for SMTP/IMAP TLS!');
 312     }
 313     if(!extension_loaded('openssl')) {
 314         do_err('You need the openssl PHP extension to use SMTP/IMAP TLS!');
 315     }
 316 }
 317 /* starttls extensions */
 318 if($use_smtp_tls === 2 || $use_imap_tls === 2) {
 319     if (! function_exists('stream_socket_enable_crypto')) {
 320         do_err('If you want to use STARTTLS extension, you need stream_socket_enable_crypto() function from PHP 5.1.0 and newer.');
 321     }
 322 }
 323 /* digest-md5 */
 324 if ($smtp_auth_mech=='digest-md5' || $imap_auth_mech =='digest-md5') {
 325     if (!extension_loaded('xml')) {
 326         do_err('You need the PHP XML extension to use Digest-MD5 authentication!');
 327     }
 328 }
 329
 330 /* check outgoing mail */
 331
 332 echo "Checking outgoing mail service....<br />\n";
 333
 334 if($useSendmail) {
 335     // is_executable also checks for existance, but we want to be as precise as possible with the errors
 336     if(!file_exists($sendmail_path)) {
 337         do_err("Location of sendmail program incorrect ($sendmail_path)!");
 338     }
 339     if(!is_executable($sendmail_path)) {
 340         do_err("I cannot execute the sendmail program ($sendmail_path)!");
 341     }
 342
 343     echo $IND . "sendmail OK<br />\n";
 344 } else {
 345     $stream = fsockopen( ($use_smtp_tls==1?'tls://':'').$smtpServerAddress, $smtpPort,
 346             $errorNumber, $errorString);
 347     if(!$stream) {
 348         do_err("Error connecting to SMTP server \"$smtpServerAddress:$smtpPort\".".
 349                 "Server error: ($errorNumber) ".htmlspecialchars($errorString));
 350     }
 351
 352     // check for SMTP code; should be 2xx to allow us access
 353     $smtpline = fgets($stream, 1024);
 354     if(((int) $smtpline{0}) > 3) {
 355         do_err("Error connecting to SMTP server. Server error: ".
 356                 htmlspecialchars($smtpline));
 357     }
 358
 359     /* smtp starttls checks */
 360     if ($use_smtp_tls===2) {
 361         // if something breaks, script should close smtp connection on exit.
 362
 363         // say helo
 364         fwrite($stream,"EHLO $client_ip\r\n");
 365
 366         $ehlo=array();
 367         $ehlo_error = false;
 368         while ($line=fgets($stream, 1024)){
 369             if (preg_match("/^250(-|\s)(\S*)\s+(\S.*)/",$line,$match)||
 370                     preg_match("/^250(-|\s)(\S*)\s+/",$line,$match)) {
 371                 if (!isset($match[3])) {
 372                     // simple one word extension
 373                     $ehlo[strtoupper($match[2])]='';
 374                 } else {
 375                     // ehlo-keyword + ehlo-param
 376                     $ehlo[strtoupper($match[2])]=trim($match[3]);
 377                 }
 378                 if ($match[1]==' ') {
 379                     $ret = $line;
 380                     break;
 381                 }
 382             } else {
 383                 //
 384                 $ehlo_error = true;
 385                 $ehlo[]=$line;
 386                 break;
 387             }
 388         }
 389         if ($ehlo_error) {
 390             do_err('SMTP EHLO failed. You need ESMTP support for SMTP STARTTLS');
 391         } elseif (!array_key_exists('STARTTLS',$ehlo)) {
 392             do_err('STARTTLS support is not declared by SMTP server.');
 393         }
 394
 395         fwrite($stream,"STARTTLS\r\n");
 396         $starttls_response=fgets($stream, 1024);
 397         if ($starttls_response[0]!=2) {
 398             $starttls_cmd_err = 'SMTP STARTTLS failed. Server replied: '
 399                 .htmlspecialchars($starttls_response);
 400             do_err($starttls_cmd_err);
 401         } elseif(! stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
 402             do_err('Failed to enable encryption on SMTP STARTTLS connection.');
 403         } else {
 404             echo $IND . "SMTP STARTTLS extension looks OK.<br />\n";
 405         }
 406         // According to RFC we should second ehlo call here.
 407     }
 408
 409     fputs($stream, 'QUIT');
 410     fclose($stream);
 411     echo $IND . 'SMTP server OK (<tt><small>'.
 412             trim(htmlspecialchars($smtpline))."</small></tt>)<br />\n";
 413
 414     /* POP before SMTP */
 415     if($pop_before_smtp) {
 416         $stream = fsockopen($smtpServerAddress, 110, $err_no, $err_str);
 417         if (!$stream) {
 418             do_err("Error connecting to POP Server ($smtpServerAddress:110) "
 419                 . $err_no . ' : ' . htmlspecialchars($err_str));
 420         }
 421
 422         $tmp = fgets($stream, 1024);
 423         if (substr($tmp, 0, 3) != '+OK') {
 424             do_err("Error connecting to POP Server ($smtpServerAddress:110)"
 425                 . ' '.htmlspecialchars($tmp));
 426         }
 427         fputs($stream, 'QUIT');
 428         fclose($stream);
 429         echo $IND . "POP-before-SMTP OK.<br />\n";
 430     }
 431 }
 432
 433 /**
 434  * Check the IMAP server
 435  */
 436 echo "Checking IMAP service....<br />\n";
 437
 438 /** Can we open a connection? */
 439 $stream = fsockopen( ($use_imap_tls==1?'tls://':'').$imapServerAddress, $imapPort,
 440         $errorNumber, $errorString);
 441 if(!$stream) {
 442     do_err("Error connecting to IMAP server \"$imapServerAddress:$imapPort\".".
 443             "Server error: ($errorNumber) ".
 444             htmlspecialchars($errorString));
 445 }
 446
 447 /** Is the first response 'OK'? */
 448 $imapline = fgets($stream, 1024);
 449 if(substr($imapline, 0,4) != '* OK') {
 450     do_err('Error connecting to IMAP server. Server error: '.
 451             htmlspecialchars($imapline));
 452 }
 453
 454 echo $IND . 'IMAP server ready (<tt><small>'.
 455     htmlspecialchars(trim($imapline))."</small></tt>)<br />\n";
 456
 457 /** Check capabilities */
 458 fputs($stream, "A001 CAPABILITY\r\n");
 459 $capline = '';
 460 while ($line=fgets($stream, 1024)){
 461     if (preg_match("/A001.*/",$line)) {
 462         break;
 463     } else {
 464         $capline.=$line;
 465     }
 466 }
 467
 468 /* don't display capabilities before STARTTLS */
 469 if ($use_imap_tls===2 && stristr($capline, 'STARTTLS') === false) {
 470     do_err('Your server doesn\'t support STARTTLS.');
 471 } elseif($use_imap_tls===2) {
 472     /* try starting starttls */
 473     fwrite($stream,"A002 STARTTLS\r\n");
 474     $starttls_line=fgets($stream, 1024);
 475     if (! preg_match("/^A002 OK.*/i",$starttls_line)) {
 476         $imap_starttls_err = 'IMAP STARTTLS failed. Server replied: '
 477             .htmlspecialchars($starttls_line);
 478         do_err($imap_starttls_err);
 479     } elseif (! stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
 480         do_err('Failed to enable encryption on IMAP connection.');
 481     } else {
 482         echo $IND . "IMAP STARTTLS extension looks OK.<br />\n";
 483     }
 484
 485     // get new capability line
 486     fwrite($stream,"A003 CAPABILITY\r\n");
 487     $capline='';
 488     while ($line=fgets($stream, 1024)){
 489         if (preg_match("/A003.*/",$line)) {
 490             break;
 491         } else {
 492             $capline.=$line;
 493         }
 494     }
 495 }
 496
 497 echo $IND . 'Capabilities: <tt>'.htmlspecialchars($capline)."</tt><br />\n";
 498
 499 if($imap_auth_mech == 'login' && stristr($capline, 'LOGINDISABLED') !== FALSE) {
 500     do_err('Your server doesn\'t allow plaintext logins. '.
 501             'Try enabling another authentication mechanism like CRAM-MD5, DIGEST-MD5 or TLS-encryption '.
 502             'in the SquirrelMail configuration.', FALSE);
 503 }
 504
 505 /** OK, close connection */
 506 fputs($stream, "A004 LOGOUT\r\n");
 507 fclose($stream);
 508
 509 echo "Checking internationalization (i18n) settings...<br />\n";
 510 echo "$IND gettext - ";
 511 if (function_exists('gettext')) {
 512     echo 'Gettext functions are available.'
 513         .' On some systems you must have appropriate system locales compiled.'
 514         ."<br />\n";
 515
 516     /* optional setlocale() tests. Should work only on glibc systems. */
 517     if (sqgetGlobalVar('testlocales',$testlocales,SQ_GET)) {
 518         include_once(SM_PATH . 'include/languages.php');
 519         echo $IND . $IND . 'Testing translations:<br>';
 520         foreach ($languages as $lang_code => $lang_data) {
 521             /* don't test aliases */
 522             if (isset($lang_data['NAME'])) {
 523                 /* locale can be $lang_code or $lang_data['LOCALE'] */
 524                 if (isset($lang_data['LOCALE'])) {
 525                     $setlocale = $lang_data['LOCALE'];
 526                 } else {
 527                     $setlocale = $lang_code;
 528                 }
 529                 /* prepare information about tested locales */
 530                 if (is_array($setlocale)) {
 531                     $display_locale = implode(', ',$setlocale);
 532                     $locale_count = count($setlocale);
 533                 } else {
 534                     $display_locale = $setlocale;
 535                     $locale_count = 1;
 536                 }
 537                 $tested_locales_msg = 'Tested '.htmlspecialchars($display_locale).' '
 538                     .($locale_count>1 ? 'locales':'locale'). '.';
 539
 540                 echo $IND . $IND .$IND . $lang_data['NAME'].' (' .$lang_code. ') - ';
 541                 $retlocale = sq_setlocale(LC_ALL,$setlocale);
 542                 if (is_bool($retlocale)) {
 543                     echo '<font color="red">unsupported</font>. ';
 544                     echo $tested_locales_msg;
 545                 } else {
 546                     echo 'supported. '
 547                         .$tested_locales_msg
 548                         .' setlocale() returned "'.htmlspecialchars($retlocale).'"';
 549                 }
 550                 echo "<br />\n";
 551             }
 552         }
 553         echo $IND . $IND . '<a href="configtest.php">Don\'t test translations</a>';
 554     } else {
 555         echo $IND . $IND . '<a href="configtest.php?testlocales=1">Test translations</a>. '
 556             .'This test is not accurate and might work only on some systems.'
 557             ."\n";
 558     }
 559     echo "<br />\n";
 560     /* end of translation tests */
 561 } else {
 562     echo 'Gettext functions are unavailable.'
 563         .' SquirrelMail will use slower internal gettext functions.'
 564         ."<br />\n";
 565 }
 566 echo "$IND mbstring - ";
 567 if (function_exists('mb_detect_encoding')) {
 568     echo "Mbstring functions are available.<br />\n";
 569 } else {
 570     echo 'Mbstring functions are unavailable.'
 571         ." Japanese translation won't work.<br />\n";
 572 }
 573 echo "$IND recode - ";
 574 if (function_exists('recode')) {
 575     echo "Recode functions are available.<br />\n";
 576 } elseif (isset($use_php_recode) && $use_php_recode) {
 577     echo "Recode functions are unavailable.<br />\n";
 578     do_err('Your configuration requires recode support, but recode support is missing.');
 579 } else {
 580     echo "Recode functions are unavailable.<br />\n";
 581 }
 582 echo "$IND iconv - ";
 583 if (function_exists('iconv')) {
 584     echo "Iconv functions are available.<br />\n";
 585 } elseif (isset($use_php_iconv) && $use_php_iconv) {
 586     echo "Iconv functions are unavailable.<br />\n";
 587     do_err('Your configuration requires iconv support, but iconv support is missing.');
 588 } else {
 589     echo "Iconv functions are unavailable.<br />\n";
 590 }
 591 // same test as in include/init.php + date_default_timezone_set check
 592 echo "$IND timezone - ";
 593 if ( (!ini_get('safe_mode')) || function_exists('date_default_timezone_set') ||
 594         !strcmp(ini_get('safe_mode_allowed_env_vars'),'') ||
 595         preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')) ) {
 596     echo "Webmail users can change their time zone settings. \n";
 597 } else {
 598     echo "Webmail users can't change their time zone settings. \n";
 599 }
 600 if (isset($_ENV['TZ'])) {
 601     echo 'Default time zone is '.htmlspecialchars($_ENV['TZ']);
 602 } else {
 603     echo 'Current time zone is '.date('T');
 604 }
 605 echo ".<br />\n";
 606
 607 // Pear DB tests
 608 echo "Checking database functions...<br />\n";
 609 if($addrbook_dsn || $prefs_dsn || $addrbook_global_dsn) {
 610     @include_once('DB.php');
 611     if (class_exists('DB')) {
 612         echo "$IND PHP Pear DB support is present.<br />\n";
 613         $db_functions=array(
 614                 'dbase' => 'dbase_open',
 615                 'fbsql' => 'fbsql_connect',
 616                 'interbase' => 'ibase_connect',
 617                 'informix' => 'ifx_connect',
 618                 'msql' => 'msql_connect',
 619                 'mssql' => 'mssql_connect',
 620                 'mysql' => 'mysql_connect',
 621                 'mysqli' => 'mysqli_connect',
 622                 'oci8' => 'ocilogon',
 623                 'odbc' => 'odbc_connect',
 624                 'pgsql' => 'pg_connect',
 625                 'sqlite' => 'sqlite_open',
 626                 'sybase' => 'sybase_connect'
 627                 );
 628
 629         $dsns = array();
 630         if($prefs_dsn) {
 631             $dsns['preferences'] = $prefs_dsn;
 632         }
 633         if($addrbook_dsn) {
 634             $dsns['addressbook'] = $addrbook_dsn;
 635         }
 636         if($addrbook_global_dsn) {
 637             $dsns['global addressbook'] = $addrbook_global_dsn;
 638         }
 639
 640         foreach($dsns as $type => $dsn) {
 641             $aDsn = explode(':', $dsn);
 642             $dbtype = array_shift($aDsn);
 643             if(isset($db_functions[$dbtype]) && function_exists($db_functions[$dbtype])) {
 644                 echo "$IND$dbtype database support present.<br />\n";
 645
 646                 // now, test this interface:
 647
 648                 $dbh = DB::connect($dsn, true);
 649                 if (DB::isError($dbh)) {
 650                     do_err('Database error: '. htmlspecialchars(DB::errorMessage($dbh)) .
 651                             ' in ' .$type .' DSN.');
 652                 }
 653                 $dbh->disconnect();
 654                 echo "$IND$type database connect successful.<br />\n";
 655
 656             } else {
 657                 do_err($dbtype.' database support not present!');
 658             }
 659         }
 660     } else {
 661         $db_error='Required PHP PEAR DB support is not available.'
 662             .' Is PEAR installed and is the include path set correctly to find <tt>DB.php</tt>?'
 663             .' The include path is now:<tt>' . ini_get('include_path') . '</tt>.';
 664         do_err($db_error);
 665     }
 666 } else {
 667     echo $IND."not using database functionality.<br />\n";
 668 }
 669
 670 // LDAP DB tests
 671 echo "Checking LDAP functions...<br />\n";
 672 if( empty($ldap_server) ) {
 673     echo $IND."not using LDAP functionality.<br />\n";
 674 } else {
 675     if ( !function_exists('ldap_connect') ) {
 676         do_err('Required LDAP support is not available.');
 677     } else {
 678         echo "$IND LDAP support present.<br />\n";
 679         foreach ( $ldap_server as $param ) {
 680
 681             $linkid = @ldap_connect($param['host'], (empty($param['port']) ? 389 : $param['port']) );
 682
 683             if ( $linkid ) {
 684                 echo "$IND LDAP connect to ".$param['host']." successful: ".$linkid."<br />\n";
 685
 686                 if ( !empty($param['protocol']) &&
 687                         !ldap_set_option($linkid, LDAP_OPT_PROTOCOL_VERSION, $param['protocol']) ) {
 688                     do_err('Unable to set LDAP protocol');
 689                 }
 690
 691                 if ( empty($param['binddn']) ) {
 692                     $bind = @ldap_bind($linkid);
 693                 } else {
 694                     $bind = @ldap_bind($param['binddn'], $param['bindpw']);
 695                 }
 696
 697                 if ( $bind ) {
 698                     echo "$IND LDAP Bind Successful <br />";
 699                 } else {
 700                     do_err('Unable to Bind to LDAP Server');
 701                 }
 702
 703                 @ldap_close($linkid);
 704             } else {
 705                 do_err('Connection to LDAP failed');
 706             }
 707         }
 708     }
 709 }
 710
 711 echo '<hr width="75%" align="center">';
 712 echo '<h2 align="center">Summary</h2>';
 713 $footer = '<hr width="75%" align="center">';
 714 if ($warnings) {
 715     echo '<p>No fatal errors were found, but there was at least 1 warning.  Please check the flagged issue(s) carefully, as correcting them may prevent erratic, undefined, or incorrect behavior (or flat out breakage).</p>';
 716     echo $footer;
 717 } else {
 718     print <<< EOF
 719 <p>Congratulations, your SquirrelMail setup looks fine to me!</p>
 720
 721 <p><a href="login.php">Login now</a></p>
 722
 723 </body>
 724 </html>
 725 EOF;
 726     echo $footer;
 727 }
 728 ?>