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) .
 305     "</tt> (location base " . (empty($config_location_base) ? 'autodetected' : 'set to <tt>' .
 306     htmlspecialchars($config_location_base)."</tt>") . ")<br />\n";
 307
 308 /* check minimal requirements for other security options */
 309
 310 /* imaps or ssmtp */
 311 if($use_smtp_tls == 1 || $use_imap_tls == 1) {
 312     if(!check_php_version(4,3,0)) {
 313         do_err('You need at least PHP 4.3.0 for SMTP/IMAP TLS!');
 314     }
 315     if(!extension_loaded('openssl')) {
 316         do_err('You need the openssl PHP extension to use SMTP/IMAP TLS!');
 317     }
 318 }
 319 /* starttls extensions */
 320 if($use_smtp_tls === 2 || $use_imap_tls === 2) {
 321     if (! function_exists('stream_socket_enable_crypto')) {
 322         do_err('If you want to use STARTTLS extension, you need stream_socket_enable_crypto() function from PHP 5.1.0 and newer.');
 323     }
 324 }
 325 /* digest-md5 */
 326 if ($smtp_auth_mech=='digest-md5' || $imap_auth_mech =='digest-md5') {
 327     if (!extension_loaded('xml')) {
 328         do_err('You need the PHP XML extension to use Digest-MD5 authentication!');
 329     }
 330 }
 331
 332 /* check outgoing mail */
 333
 334 echo "Checking outgoing mail service....<br />\n";
 335
 336 if($useSendmail) {
 337     // is_executable also checks for existance, but we want to be as precise as possible with the errors
 338     if(!file_exists($sendmail_path)) {
 339         do_err("Location of sendmail program incorrect ($sendmail_path)!");
 340     }
 341     if(!is_executable($sendmail_path)) {
 342         do_err("I cannot execute the sendmail program ($sendmail_path)!");
 343     }
 344
 345     echo $IND . "sendmail OK<br />\n";
 346 } else {
 347     $stream = fsockopen( ($use_smtp_tls==1?'tls://':'').$smtpServerAddress, $smtpPort,
 348             $errorNumber, $errorString);
 349     if(!$stream) {
 350         do_err("Error connecting to SMTP server \"$smtpServerAddress:$smtpPort\".".
 351                 "Server error: ($errorNumber) ".htmlspecialchars($errorString));
 352     }
 353
 354     // check for SMTP code; should be 2xx to allow us access
 355     $smtpline = fgets($stream, 1024);
 356     if(((int) $smtpline{0}) > 3) {
 357         do_err("Error connecting to SMTP server. Server error: ".
 358                 htmlspecialchars($smtpline));
 359     }
 360
 361     /* smtp starttls checks */
 362     if ($use_smtp_tls===2) {
 363         // if something breaks, script should close smtp connection on exit.
 364
 365         // say helo
 366         fwrite($stream,"EHLO $client_ip\r\n");
 367
 368         $ehlo=array();
 369         $ehlo_error = false;
 370         while ($line=fgets($stream, 1024)){
 371             if (preg_match("/^250(-|\s)(\S*)\s+(\S.*)/",$line,$match)||
 372                     preg_match("/^250(-|\s)(\S*)\s+/",$line,$match)) {
 373                 if (!isset($match[3])) {
 374                     // simple one word extension
 375                     $ehlo[strtoupper($match[2])]='';
 376                 } else {
 377                     // ehlo-keyword + ehlo-param
 378                     $ehlo[strtoupper($match[2])]=trim($match[3]);
 379                 }
 380                 if ($match[1]==' ') {
 381                     $ret = $line;
 382                     break;
 383                 }
 384             } else {
 385                 //
 386                 $ehlo_error = true;
 387                 $ehlo[]=$line;
 388                 break;
 389             }
 390         }
 391         if ($ehlo_error) {
 392             do_err('SMTP EHLO failed. You need ESMTP support for SMTP STARTTLS');
 393         } elseif (!array_key_exists('STARTTLS',$ehlo)) {
 394             do_err('STARTTLS support is not declared by SMTP server.');
 395         }
 396
 397         fwrite($stream,"STARTTLS\r\n");
 398         $starttls_response=fgets($stream, 1024);
 399         if ($starttls_response[0]!=2) {
 400             $starttls_cmd_err = 'SMTP STARTTLS failed. Server replied: '
 401                 .htmlspecialchars($starttls_response);
 402             do_err($starttls_cmd_err);
 403         } elseif(! stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
 404             do_err('Failed to enable encryption on SMTP STARTTLS connection.');
 405         } else {
 406             echo $IND . "SMTP STARTTLS extension looks OK.<br />\n";
 407         }
 408         // According to RFC we should second ehlo call here.
 409     }
 410
 411     fputs($stream, 'QUIT');
 412     fclose($stream);
 413     echo $IND . 'SMTP server OK (<tt><small>'.
 414             trim(htmlspecialchars($smtpline))."</small></tt>)<br />\n";
 415
 416     /* POP before SMTP */
 417     if($pop_before_smtp) {
 418         $stream = fsockopen($smtpServerAddress, 110, $err_no, $err_str);
 419         if (!$stream) {
 420             do_err("Error connecting to POP Server ($smtpServerAddress:110) "
 421                 . $err_no . ' : ' . htmlspecialchars($err_str));
 422         }
 423
 424         $tmp = fgets($stream, 1024);
 425         if (substr($tmp, 0, 3) != '+OK') {
 426             do_err("Error connecting to POP Server ($smtpServerAddress:110)"
 427                 . ' '.htmlspecialchars($tmp));
 428         }
 429         fputs($stream, 'QUIT');
 430         fclose($stream);
 431         echo $IND . "POP-before-SMTP OK.<br />\n";
 432     }
 433 }
 434
 435 /**
 436  * Check the IMAP server
 437  */
 438 echo "Checking IMAP service....<br />\n";
 439
 440 /** Can we open a connection? */
 441 $stream = fsockopen( ($use_imap_tls==1?'tls://':'').$imapServerAddress, $imapPort,
 442         $errorNumber, $errorString);
 443 if(!$stream) {
 444     do_err("Error connecting to IMAP server \"$imapServerAddress:$imapPort\".".
 445             "Server error: ($errorNumber) ".
 446             htmlspecialchars($errorString));
 447 }
 448
 449 /** Is the first response 'OK'? */
 450 $imapline = fgets($stream, 1024);
 451 if(substr($imapline, 0,4) != '* OK') {
 452     do_err('Error connecting to IMAP server. Server error: '.
 453             htmlspecialchars($imapline));
 454 }
 455
 456 echo $IND . 'IMAP server ready (<tt><small>'.
 457     htmlspecialchars(trim($imapline))."</small></tt>)<br />\n";
 458
 459 /** Check capabilities */
 460 fputs($stream, "A001 CAPABILITY\r\n");
 461 $capline = '';
 462 while ($line=fgets($stream, 1024)){
 463     if (preg_match("/A001.*/",$line)) {
 464         break;
 465     } else {
 466         $capline.=$line;
 467     }
 468 }
 469
 470 /* don't display capabilities before STARTTLS */
 471 if ($use_imap_tls===2 && stristr($capline, 'STARTTLS') === false) {
 472     do_err('Your server doesn\'t support STARTTLS.');
 473 } elseif($use_imap_tls===2) {
 474     /* try starting starttls */
 475     fwrite($stream,"A002 STARTTLS\r\n");
 476     $starttls_line=fgets($stream, 1024);
 477     if (! preg_match("/^A002 OK.*/i",$starttls_line)) {
 478         $imap_starttls_err = 'IMAP STARTTLS failed. Server replied: '
 479             .htmlspecialchars($starttls_line);
 480         do_err($imap_starttls_err);
 481     } elseif (! stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
 482         do_err('Failed to enable encryption on IMAP connection.');
 483     } else {
 484         echo $IND . "IMAP STARTTLS extension looks OK.<br />\n";
 485     }
 486
 487     // get new capability line
 488     fwrite($stream,"A003 CAPABILITY\r\n");
 489     $capline='';
 490     while ($line=fgets($stream, 1024)){
 491         if (preg_match("/A003.*/",$line)) {
 492             break;
 493         } else {
 494             $capline.=$line;
 495         }
 496     }
 497 }
 498
 499 echo $IND . 'Capabilities: <tt>'.htmlspecialchars($capline)."</tt><br />\n";
 500
 501 if($imap_auth_mech == 'login' && stristr($capline, 'LOGINDISABLED') !== FALSE) {
 502     do_err('Your server doesn\'t allow plaintext logins. '.
 503             'Try enabling another authentication mechanism like CRAM-MD5, DIGEST-MD5 or TLS-encryption '.
 504             'in the SquirrelMail configuration.', FALSE);
 505 }
 506
 507 if (stristr($capline, 'XMAGICTRASH') !== false) {
 508     $magic_trash = 'It looks like IMAP_MOVE_EXPUNGE_TO_TRASH option is turned on '
 509         .'in your Courier IMAP configuration. Courier does not provide tools that '
 510         .'allow to detect folder used for Trash or commands are not documented. '
 511         .'SquirrelMail can\'t detect special trash folder. SquirrelMail manages '
 512         .'all message deletion or move operations internally and '
 513         .'IMAP_MOVE_EXPUNGE_TO_TRASH option can cause errors in message and '
 514         .'folder management operations. Please turn off IMAP_MOVE_EXPUNGE_TO_TRASH '
 515         .'option in Courier imapd configuration.';
 516     do_err($magic_trash,false);
 517 }
 518
 519 /** OK, close connection */
 520 fputs($stream, "A004 LOGOUT\r\n");
 521 fclose($stream);
 522
 523 echo "Checking internationalization (i18n) settings...<br />\n";
 524 echo "$IND gettext - ";
 525 if (function_exists('gettext')) {
 526     echo 'Gettext functions are available.'
 527         .' On some systems you must have appropriate system locales compiled.'
 528         ."<br />\n";
 529
 530     /* optional setlocale() tests. Should work only on glibc systems. */
 531     if (sqgetGlobalVar('testlocales',$testlocales,SQ_GET)) {
 532         include_once(SM_PATH . 'include/languages.php');
 533         echo $IND . $IND . 'Testing translations:<br>';
 534         foreach ($languages as $lang_code => $lang_data) {
 535             /* don't test aliases */
 536             if (isset($lang_data['NAME'])) {
 537                 /* locale can be $lang_code or $lang_data['LOCALE'] */
 538                 if (isset($lang_data['LOCALE'])) {
 539                     $setlocale = $lang_data['LOCALE'];
 540                 } else {
 541                     $setlocale = $lang_code;
 542                 }
 543                 /* prepare information about tested locales */
 544                 if (is_array($setlocale)) {
 545                     $display_locale = implode(', ',$setlocale);
 546                     $locale_count = count($setlocale);
 547                 } else {
 548                     $display_locale = $setlocale;
 549                     $locale_count = 1;
 550                 }
 551                 $tested_locales_msg = 'Tested '.htmlspecialchars($display_locale).' '
 552                     .($locale_count>1 ? 'locales':'locale'). '.';
 553
 554                 echo $IND . $IND .$IND . $lang_data['NAME'].' (' .$lang_code. ') - ';
 555                 $retlocale = sq_setlocale(LC_ALL,$setlocale);
 556                 if (is_bool($retlocale)) {
 557                     echo '<font color="red">unsupported</font>. ';
 558                     echo $tested_locales_msg;
 559                 } else {
 560                     echo 'supported. '
 561                         .$tested_locales_msg
 562                         .' setlocale() returned "'.htmlspecialchars($retlocale).'"';
 563                 }
 564                 echo "<br />\n";
 565             }
 566         }
 567         echo $IND . $IND . '<a href="configtest.php">Don\'t test translations</a>';
 568     } else {
 569         echo $IND . $IND . '<a href="configtest.php?testlocales=1">Test translations</a>. '
 570             .'This test is not accurate and might work only on some systems.'
 571             ."\n";
 572     }
 573     echo "<br />\n";
 574     /* end of translation tests */
 575 } else {
 576     echo 'Gettext functions are unavailable.'
 577         .' SquirrelMail will use slower internal gettext functions.'
 578         ."<br />\n";
 579 }
 580 echo "$IND mbstring - ";
 581 if (function_exists('mb_detect_encoding')) {
 582     echo "Mbstring functions are available.<br />\n";
 583 } else {
 584     echo 'Mbstring functions are unavailable.'
 585         ." Japanese translation won't work.<br />\n";
 586 }
 587 echo "$IND recode - ";
 588 if (function_exists('recode')) {
 589     echo "Recode functions are available.<br />\n";
 590 } elseif (isset($use_php_recode) && $use_php_recode) {
 591     echo "Recode functions are unavailable.<br />\n";
 592     do_err('Your configuration requires recode support, but recode support is missing.');
 593 } else {
 594     echo "Recode functions are unavailable.<br />\n";
 595 }
 596 echo "$IND iconv - ";
 597 if (function_exists('iconv')) {
 598     echo "Iconv functions are available.<br />\n";
 599 } elseif (isset($use_php_iconv) && $use_php_iconv) {
 600     echo "Iconv functions are unavailable.<br />\n";
 601     do_err('Your configuration requires iconv support, but iconv support is missing.');
 602 } else {
 603     echo "Iconv functions are unavailable.<br />\n";
 604 }
 605 // same test as in include/init.php + date_default_timezone_set check
 606 echo "$IND timezone - ";
 607 if ( (!ini_get('safe_mode')) || function_exists('date_default_timezone_set') ||
 608         !strcmp(ini_get('safe_mode_allowed_env_vars'),'') ||
 609         preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')) ) {
 610     echo "Webmail users can change their time zone settings. \n";
 611 } else {
 612     echo "Webmail users can't change their time zone settings. \n";
 613 }
 614 if (isset($_ENV['TZ'])) {
 615     echo 'Default time zone is '.htmlspecialchars($_ENV['TZ']);
 616 } else {
 617     echo 'Current time zone is '.date('T');
 618 }
 619 echo ".<br />\n";
 620
 621 // Pear DB tests
 622 echo "Checking database functions...<br />\n";
 623 if($addrbook_dsn || $prefs_dsn || $addrbook_global_dsn) {
 624     @include_once('DB.php');
 625     if (class_exists('DB')) {
 626         echo "$IND PHP Pear DB support is present.<br />\n";
 627         $db_functions=array(
 628                 'dbase' => 'dbase_open',
 629                 'fbsql' => 'fbsql_connect',
 630                 'interbase' => 'ibase_connect',
 631                 'informix' => 'ifx_connect',
 632                 'msql' => 'msql_connect',
 633                 'mssql' => 'mssql_connect',
 634                 'mysql' => 'mysql_connect',
 635                 'mysqli' => 'mysqli_connect',
 636                 'oci8' => 'ocilogon',
 637                 'odbc' => 'odbc_connect',
 638                 'pgsql' => 'pg_connect',
 639                 'sqlite' => 'sqlite_open',
 640                 'sybase' => 'sybase_connect'
 641                 );
 642
 643         $dsns = array();
 644         if($prefs_dsn) {
 645             $dsns['preferences'] = $prefs_dsn;
 646         }
 647         if($addrbook_dsn) {
 648             $dsns['addressbook'] = $addrbook_dsn;
 649         }
 650         if($addrbook_global_dsn) {
 651             $dsns['global addressbook'] = $addrbook_global_dsn;
 652         }
 653
 654         foreach($dsns as $type => $dsn) {
 655             $aDsn = explode(':', $dsn);
 656             $dbtype = array_shift($aDsn);
 657             if(isset($db_functions[$dbtype]) && function_exists($db_functions[$dbtype])) {
 658                 echo "$IND$dbtype database support present.<br />\n";
 659
 660                 // now, test this interface:
 661
 662                 $dbh = DB::connect($dsn, true);
 663                 if (DB::isError($dbh)) {
 664                     do_err('Database error: '. htmlspecialchars(DB::errorMessage($dbh)) .
 665                             ' in ' .$type .' DSN.');
 666                 }
 667                 $dbh->disconnect();
 668                 echo "$IND$type database connect successful.<br />\n";
 669
 670             } else {
 671                 do_err($dbtype.' database support not present!');
 672             }
 673         }
 674     } else {
 675         $db_error='Required PHP PEAR DB support is not available.'
 676             .' Is PEAR installed and is the include path set correctly to find <tt>DB.php</tt>?'
 677             .' The include path is now:<tt>' . ini_get('include_path') . '</tt>.';
 678         do_err($db_error);
 679     }
 680 } else {
 681     echo $IND."not using database functionality.<br />\n";
 682 }
 683
 684 // LDAP DB tests
 685 echo "Checking LDAP functions...<br />\n";
 686 if( empty($ldap_server) ) {
 687     echo $IND."not using LDAP functionality.<br />\n";
 688 } else {
 689     if ( !function_exists('ldap_connect') ) {
 690         do_err('Required LDAP support is not available.');
 691     } else {
 692         echo "$IND LDAP support present.<br />\n";
 693         foreach ( $ldap_server as $param ) {
 694
 695             $linkid = @ldap_connect($param['host'], (empty($param['port']) ? 389 : $param['port']) );
 696
 697             if ( $linkid ) {
 698                 echo "$IND LDAP connect to ".$param['host']." successful: ".$linkid."<br />\n";
 699
 700                 if ( !empty($param['protocol']) &&
 701                         !ldap_set_option($linkid, LDAP_OPT_PROTOCOL_VERSION, $param['protocol']) ) {
 702                     do_err('Unable to set LDAP protocol');
 703                 }
 704
 705                 if ( empty($param['binddn']) ) {
 706                     $bind = @ldap_bind($linkid);
 707                 } else {
 708                     $bind = @ldap_bind($param['binddn'], $param['bindpw']);
 709                 }
 710
 711                 if ( $bind ) {
 712                     echo "$IND LDAP Bind Successful <br />";
 713                 } else {
 714                     do_err('Unable to Bind to LDAP Server');
 715                 }
 716
 717                 @ldap_close($linkid);
 718             } else {
 719                 do_err('Connection to LDAP failed');
 720             }
 721         }
 722     }
 723 }
 724
 725 echo '<hr width="75%" align="center">';
 726 echo '<h2 align="center">Summary</h2>';
 727 $footer = '<hr width="75%" align="center">';
 728 if ($warnings) {
 729     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>';
 730     echo $footer;
 731 } else {
 732     print <<< EOF
 733 <p>Congratulations, your SquirrelMail setup looks fine to me!</p>
 734
 735 <p><a href="login.php">Login now</a></p>
 736
 737 </body>
 738 </html>
 739 EOF;
 740     echo $footer;
 741 }
 742 ?>