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;
  24         global $warnings;
  25         $level = $fatal ? 'FATAL ERROR:' : 'WARNING:';
  26     echo '<p>'.$IND.'<font color="red"><b>' . $level . '</b></font> ' .$str. "</p>\n";
  27     if($fatal) {
  28          echo '</body></html>';
  29          exit;
  30     } else {
  31                 $warnings++;
  32         }
  33 }
  34
  35 $IND = str_repeat('&nbsp;',4);
  36
  37 ob_implicit_flush();
  38 /** @ignore */
  39 define('SM_PATH', '../');
  40
  41 /* set default value in order to block remote access to script */
  42 $allow_remote_configtest=false;
  43
  44 /*
  45  * Load config before output begins. functions/strings.php depends on
  46  * functions/globals.php. functions/global.php needs to be run before
  47  * any html output starts. If config.php is missing, error will be displayed
  48  * later.
  49  */
  50 if (file_exists(SM_PATH . 'config/config.php')) {
  51     include(SM_PATH . 'config/config.php');
  52     include(SM_PATH . 'functions/strings.php');
  53 }
  54 ?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  55   "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
  56 <html>
  57 <head>
  58     <meta name="robots" content="noindex,nofollow">
  59     <title>SquirrelMail configtest</title>
  60 </head>
  61 <body>
  62 <h1>SquirrelMail configtest</h1>
  63
  64 <p>This script will try to check some aspects of your SquirrelMail configuration
  65 and point you to errors whereever it can find them. You need to go run <tt>conf.pl</tt>
  66 in the <tt>config/</tt> directory first before you run this script.</p>
  67
  68 <?php
  69
  70 $included = array_map('basename', get_included_files() );
  71 if(!in_array('config.php', $included)) {
  72     if(!file_exists(SM_PATH . 'config/config.php')) {
  73         do_err('Config file '.SM_PATH . 'config/config.php does not exist!<br />'.
  74                'You need to run <tt>conf.pl</tt> first.');
  75     }
  76     do_err('Could not read '.SM_PATH.'config/config.php! Check file permissions.');
  77 }
  78 if(!in_array('strings.php', $included)) {
  79     do_err('Could not include '.SM_PATH.'functions/strings.php!<br />'.
  80            'Check permissions on that file.');
  81 }
  82
  83 /* Block remote use of script */
  84 if (! $allow_remote_configtest) {
  85     sqGetGlobalVar('REMOTE_ADDR',$client_ip,SQ_SERVER);
  86     sqGetGlobalVar('SERVER_ADDR',$server_ip,SQ_SERVER);
  87
  88     if ((! isset($client_ip) || $client_ip!='127.0.0.1') &&
  89         (! isset($client_ip) || ! isset($server_ip) || $client_ip!=$server_ip)) {
  90         do_err('Enable "Allow remote configtest" option in squirrelmail configuration in order to use this script.');
  91     }
  92 }
  93 /* checking PHP specs */
  94
  95 echo "<p><table>\n<tr><td>SquirrelMail version:</td><td><b>" . $version . "</b></td></tr>\n" .
  96      '<tr><td>Config file version:</td><td><b>' . $config_version . "</b></td></tr>\n" .
  97      '<tr><td>Config file last modified:</td><td><b>' .
  98          date ('d F Y H:i:s', filemtime(SM_PATH . 'config/config.php')) .
  99          "</b></td></tr>\n</table>\n</p>\n\n";
 100
 101 /* check $config_version */
 102 if ($config_version!='1.4.0') {
 103     do_err('Configuration file version does not match required version. Please update your configuration file.');
 104 }
 105
 106 echo "Checking PHP configuration...<br />\n";
 107
 108 if(!check_php_version(4,1,0)) {
 109     do_err('Insufficient PHP version: '. PHP_VERSION . '! Minimum required: 4.1.0');
 110 }
 111
 112 echo $IND . 'PHP version ' . PHP_VERSION . ' OK. (You have: ' . phpversion() . ". Minimum: 4.1.0)<br />\n";
 113
 114 $php_exts = array('session','pcre');
 115 $diff = array_diff($php_exts, get_loaded_extensions());
 116 if(count($diff)) {
 117     do_err('Required PHP extensions missing: '.implode(', ',$diff) );
 118 }
 119
 120 echo $IND . "PHP extensions OK.<br />\n";
 121
 122 /* dangerous php settings */
 123 /**
 124  * mbstring.func_overload allows to replace original string and regexp functions
 125  * with their equivalents from php mbstring extension. It causes problems when
 126  * scripts analyze 8bit strings byte after byte or use 8bit strings in regexp tests.
 127  * Setting can be controlled in php.ini (php 4.2.0), webserver config (php 4.2.0)
 128  * and .htaccess files (php 4.3.5).
 129  */
 130 if (function_exists('mb_internal_encoding') &&
 131     check_php_version(4,2,0) &&
 132     (int)ini_get('mbstring.func_overload')!=0) {
 133     $mb_error='You have enabled mbstring overloading.'
 134         .' It can cause problems with SquirrelMail scripts that rely on single byte string functions.';
 135     do_err($mb_error);
 136 }
 137
 138 /* checking paths */
 139
 140 echo "Checking paths...<br />\n";
 141
 142 if(!file_exists($data_dir)) {
 143     // data_dir is not that important in db_setups.
 144     if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
 145         $data_dir_error = "Data dir ($data_dir) does not exist!\n";
 146         echo $IND .'<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
 147     } else {
 148         do_err("Data dir ($data_dir) does not exist!");
 149     }
 150 }
 151 // don't check if errors
 152 if(!isset($data_dir_error) && !is_dir($data_dir)) {
 153     if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
 154         $data_dir_error = "Data dir ($data_dir) is not a directory!\n";
 155         echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
 156     } else {
 157         do_err("Data dir ($data_dir) is not a directory!");
 158     }
 159 }
 160 // datadir should be executable - but no clean way to test on that
 161 if(!isset($data_dir_error) && !is_writable($data_dir)) {
 162     if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
 163         $data_dir_error = "Data dir ($data_dir) is not writable!\n";
 164         echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
 165     } else {
 166         do_err("Data dir ($data_dir) is not writable!");
 167     }
 168 }
 169
 170 if (isset($data_dir_error)) {
 171     echo " Some plugins might need access to data directory.<br />\n";
 172 } else {
 173     // todo_ornot: actually write something and read it back.
 174     echo $IND . "Data dir OK.<br />\n";
 175 }
 176
 177 if($data_dir == $attachment_dir) {
 178     echo $IND . "Attachment dir is the same as data dir.<br />\n";
 179     if (isset($data_dir_error)) {
 180         do_err($data_dir_error);
 181     }
 182 } else {
 183     if(!file_exists($attachment_dir)) {
 184         do_err("Attachment dir ($attachment_dir) does not exist!");
 185     }
 186     if (!is_dir($attachment_dir)) {
 187         do_err("Attachment dir ($attachment_dir) is not a directory!");
 188     }
 189     if (!is_writable($attachment_dir)) {
 190         do_err("I cannot write to attachment dir ($attachment_dir)!");
 191     }
 192     echo $IND . "Attachment dir OK.<br />\n";
 193 }
 194
 195
 196 /* check plugins and themes */
 197 $bad_plugins = array('view_as_html','folder_preferences');
 198
 199 if (isset($plugins[0])) {
 200     foreach($plugins as $plugin) {
 201         if(!file_exists(SM_PATH .'plugins/'.$plugin)) {
 202             do_err('You have enabled the <i>'.$plugin.'</i> plugin but I cannot find it.', FALSE);
 203         } elseif (!is_readable(SM_PATH .'plugins/'.$plugin.'/setup.php')) {
 204             do_err('You have enabled the <i>'.$plugin.'</i> plugin but I cannot read its setup.php file.', FALSE);
 205                 } elseif (in_array($plugin, $bad_plugins)) {
 206                         do_err('You have enabled the <i>'.$plugin.'</i> plugin, which causes problems with this version of SquirrelMail.  Please check the ReleaseNotes or other documentation for more information.', false);
 207                 }
 208     }
 209     echo $IND . "Plugins OK.<br />\n";
 210 } else {
 211     echo $IND . "Plugins are not enabled in config.<br />\n";
 212 }
 213 foreach($theme as $thm) {
 214     if(!file_exists($thm['PATH'])) {
 215         do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot find it ('.$thm['PATH'].').', FALSE);
 216     } elseif(!is_readable($thm['PATH'])) {
 217         do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot read it ('.$thm['PATH'].').', FALSE);
 218     }
 219 }
 220
 221 echo $IND . "Themes OK.<br />\n";
 222
 223 if ( $squirrelmail_default_language != 'en_US' ) {
 224     $loc_path = SM_PATH .'locale/'.$squirrelmail_default_language.'/LC_MESSAGES/squirrelmail.mo';
 225     if( ! file_exists( $loc_path ) ) {
 226         do_err('You have set <i>' . $squirrelmail_default_language .
 227             '</i> as your default language, but I cannot find this translation (should be '.
 228             'in <tt>' . $loc_path . '</tt>). Please note that you have to download translations '.
 229             'separately from the main SquirrelMail package.', FALSE);
 230     } elseif ( ! is_readable( $loc_path ) ) {
 231         do_err('You have set <i>' . $squirrelmail_default_language .
 232             '</i> as your default language, but I cannot read this translation (file '.
 233             'in <tt>' . $loc_path . '</tt> unreadable).', FALSE);
 234     } else {
 235         echo $IND . "Default language OK.<br />\n";
 236     }
 237 } else {
 238     echo $IND . "Default language OK.<br />\n";
 239 }
 240
 241 echo $IND . "Base URL detected as: <tt>" . htmlspecialchars(get_location()) . "</tt><br />\n";
 242
 243 /* check minimal requirements for other security options */
 244
 245 /* imaps or ssmtp */
 246 if($use_smtp_tls == 1 || $use_imap_tls == 1) {
 247     if(!check_php_version(4,3,0)) {
 248         do_err('You need at least PHP 4.3.0 for SMTP/IMAP TLS!');
 249     }
 250     if(!extension_loaded('openssl')) {
 251         do_err('You need the openssl PHP extension to use SMTP/IMAP TLS!');
 252     }
 253 }
 254 /* starttls extensions */
 255 if($use_smtp_tls == 2 || $use_imap_tls == 2) {
 256     if (! function_exists('stream_socket_enable_crypto')) {
 257         do_err('If you want to use STARTTLS extension, you need stream_socket_enable_crypto() function from PHP 5.1.0 and newer.');
 258     }
 259 }
 260 /* digest-md5 */
 261 if ($smtp_auth_mech=='digest-md5' || $imap_auth_mech =='digest-md5') {
 262     if (!extension_loaded('xml')) {
 263         do_err('You need the PHP XML extension to use Digest-MD5 authentication!');
 264     }
 265 }
 266
 267 /* check outgoing mail */
 268
 269 echo "Checking outgoing mail service....<br />\n";
 270
 271 if($useSendmail) {
 272     // is_executable also checks for existance, but we want to be as precise as possible with the errors
 273     if(!file_exists($sendmail_path)) {
 274         do_err("Location of sendmail program incorrect ($sendmail_path)!");
 275     }
 276     if(!is_executable($sendmail_path)) {
 277         do_err("I cannot execute the sendmail program ($sendmail_path)!");
 278     }
 279
 280     echo $IND . "sendmail OK<br />\n";
 281 } else {
 282     $stream = fsockopen( ($use_smtp_tls==1?'tls://':'').$smtpServerAddress, $smtpPort,
 283                         $errorNumber, $errorString);
 284     if(!$stream) {
 285         do_err("Error connecting to SMTP server \"$smtpServerAddress:$smtpPort\".".
 286             "Server error: ($errorNumber) ".htmlspecialchars($errorString));
 287     }
 288
 289     // check for SMTP code; should be 2xx to allow us access
 290     $smtpline = fgets($stream, 1024);
 291     if(((int) $smtpline{0}) > 3) {
 292         do_err("Error connecting to SMTP server. Server error: ".
 293         htmlspecialchars($smtpline));
 294     }
 295
 296     /* smtp starttls checks */
 297     if ($use_smtp_tls==2) {
 298         // if something breaks, script should close smtp connection on exit.
 299
 300         // say helo
 301         fwrite($stream,"EHLO $client_ip\r\n");
 302
 303         $ehlo=array();
 304         $ehlo_error = false;
 305         while ($line=fgets($stream, 1024)){
 306             if (preg_match("/^250(-|\s)(\S*)\s+(\S.*)/",$line,$match)||
 307                 preg_match("/^250(-|\s)(\S*)\s+/",$line,$match)) {
 308                 if (!isset($match[3])) {
 309                     // simple one word extension
 310                     $ehlo[strtoupper($match[2])]='';
 311                 } else {
 312                     // ehlo-keyword + ehlo-param
 313                     $ehlo[strtoupper($match[2])]=trim($match[3]);
 314                 }
 315                 if ($match[1]==' ') {
 316                     $ret = $line;
 317                     break;
 318                 }
 319             } else {
 320                 //
 321                 $ehlo_error = true;
 322                 $ehlo[]=$line;
 323                 break;
 324             }
 325         }
 326         if ($ehlo_error) {
 327             do_err('SMTP EHLO failed. You need ESMTP support for SMTP STARTTLS');
 328         } elseif (!array_key_exists('STARTTLS',$ehlo)) {
 329             do_err('STARTTLS support is not declared by SMTP server.');
 330         }
 331
 332         fwrite($stream,"STARTTLS\r\n");
 333         $starttls_response=fgets($stream, 1024);
 334         if ($starttls_response[0]!=2) {
 335             $starttls_cmd_err = 'SMTP STARTTLS failed. Server replied: '
 336                 .htmlspecialchars($starttls_response);
 337             do_err($starttls_cmd_err);
 338         } elseif(! stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
 339             do_err('Failed to enable encryption on SMTP STARTTLS connection.');
 340         } else {
 341             echo $IND . "SMTP STARTTLS extension looks OK.<br />\n";
 342         }
 343         // According to RFC we should second ehlo call here.
 344     }
 345
 346     fputs($stream, 'QUIT');
 347     fclose($stream);
 348     echo $IND . 'SMTP server OK (<tt><small>'.
 349         trim(htmlspecialchars($smtpline))."</small></tt>)<br />\n";
 350
 351     /* POP before SMTP */
 352     if($pop_before_smtp) {
 353         $stream = fsockopen($smtpServerAddress, 110, $err_no, $err_str);
 354         if (!$stream) {
 355             do_err("Error connecting to POP Server ($smtpServerAddress:110) "
 356                   . $err_no . ' : ' . htmlspecialchars($err_str));
 357         }
 358
 359         $tmp = fgets($stream, 1024);
 360         if (substr($tmp, 0, 3) != '+OK') {
 361             do_err("Error connecting to POP Server ($smtpServerAddress:110)"
 362                   . ' '.htmlspecialchars($tmp));
 363         }
 364         fputs($stream, 'QUIT');
 365         fclose($stream);
 366         echo $IND . "POP-before-SMTP OK.<br />\n";
 367     }
 368 }
 369
 370 /**
 371  * Check the IMAP server
 372  */
 373 echo "Checking IMAP service....<br />\n";
 374
 375 /** Can we open a connection? */
 376 $stream = fsockopen( ($use_imap_tls==1?'tls://':'').$imapServerAddress, $imapPort,
 377                        $errorNumber, $errorString);
 378 if(!$stream) {
 379     do_err("Error connecting to IMAP server \"$imapServerAddress:$imapPort\".".
 380         "Server error: ($errorNumber) ".
 381     htmlspecialchars($errorString));
 382 }
 383
 384 /** Is the first response 'OK'? */
 385 $imapline = fgets($stream, 1024);
 386 if(substr($imapline, 0,4) != '* OK') {
 387    do_err('Error connecting to IMAP server. Server error: '.
 388        htmlspecialchars($imapline));
 389 }
 390
 391 echo $IND . 'IMAP server ready (<tt><small>'.
 392     htmlspecialchars(trim($imapline))."</small></tt>)<br />\n";
 393
 394 /** Check capabilities */
 395 fputs($stream, "A001 CAPABILITY\r\n");
 396 $capline = '';
 397 while ($line=fgets($stream, 1024)){
 398   if (preg_match("/A001.*/",$line)) {
 399      break;
 400   } else {
 401      $capline.=$line;
 402   }
 403 }
 404
 405 /* don't display capabilities before STARTTLS */
 406 if ($use_imap_tls==2 && stristr($capline, 'STARTTLS') === false) {
 407     do_err('Your server doesn\'t support STARTTLS.');
 408 } elseif($use_imap_tls==2) {
 409     /* try starting starttls */
 410     fwrite($stream,"A002 STARTTLS\r\n");
 411     $starttls_line=fgets($stream, 1024);
 412     if (! preg_match("/^A002 OK.*/i",$starttls_line)) {
 413         $imap_starttls_err = 'IMAP STARTTLS failed. Server replied: '
 414                 .htmlspecialchars($starttls_line);
 415         do_err($imap_starttls_err);
 416     } elseif (! stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
 417         do_err('Failed to enable encryption on IMAP connection.');
 418     } else {
 419         echo $IND . "IMAP STARTTLS extension looks OK.<br />\n";
 420     }
 421
 422     // get new capability line
 423     fwrite($stream,"A003 CAPABILITY\r\n");
 424     $capline='';
 425     while ($line=fgets($stream, 1024)){
 426         if (preg_match("/A003.*/",$line)) {
 427             break;
 428         } else {
 429             $capline.=$line;
 430         }
 431     }
 432 }
 433
 434 echo $IND . 'Capabilities: <tt>'.htmlspecialchars($capline)."</tt><br />\n";
 435
 436 if($imap_auth_mech == 'login' && stristr($capline, 'LOGINDISABLED') !== FALSE) {
 437     do_err('Your server doesn\'t allow plaintext logins. '.
 438         'Try enabling another authentication mechanism like CRAM-MD5, DIGEST-MD5 or TLS-encryption '.
 439         'in the SquirrelMail configuration.', FALSE);
 440 }
 441
 442 /** OK, close connection */
 443 fputs($stream, "A004 LOGOUT\r\n");
 444 fclose($stream);
 445
 446 echo "Checking internationalization (i18n) settings...<br />\n";
 447 echo "$IND gettext - ";
 448 if (function_exists('gettext')) {
 449     echo 'Gettext functions are available.'
 450         .' On some systems you must have appropriate system locales compiled.'
 451         ."<br />\n";
 452 } else {
 453     echo 'Gettext functions are unavailable.'
 454         .' SquirrelMail will use slower internal gettext functions.'
 455         ."<br />\n";
 456 }
 457 echo "$IND mbstring - ";
 458 if (function_exists('mb_detect_encoding')) {
 459     echo "Mbstring functions are available.<br />\n";
 460 } else {
 461     echo 'Mbstring functions are unavailable.'
 462         ." Japanese translation won't work.<br />\n";
 463 }
 464 echo "$IND recode - ";
 465 if (function_exists('recode')) {
 466     echo "Recode functions are available.<br />\n";
 467 } elseif (isset($use_php_recode) && $use_php_recode) {
 468     echo "Recode functions are unavailable.<br />\n";
 469     do_err('Your configuration requires recode support, but recode support is missing.');
 470 } else {
 471     echo "Recode functions are unavailable.<br />\n";
 472 }
 473 echo "$IND iconv - ";
 474 if (function_exists('iconv')) {
 475     echo "Iconv functions are available.<br />\n";
 476 } elseif (isset($use_php_iconv) && $use_php_iconv) {
 477     echo "Iconv functions are unavailable.<br />\n";
 478     do_err('Your configuration requires iconv support, but iconv support is missing.');
 479 } else {
 480     echo "Iconv functions are unavailable.<br />\n";
 481 }
 482 // same test as in include/validate.php
 483 echo "$IND timezone - ";
 484 if ( (!ini_get('safe_mode')) ||
 485     !strcmp(ini_get('safe_mode_allowed_env_vars'),'') ||
 486     preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')) ) {
 487         echo "Webmail users can change their time zone settings.<br />\n";
 488 } else {
 489     echo "Webmail users can't change their time zone settings.<br />\n";
 490 }
 491
 492
 493 // Pear DB tests
 494 echo "Checking database functions...<br />\n";
 495 if($addrbook_dsn || $prefs_dsn || $addrbook_global_dsn) {
 496     @include_once('DB.php');
 497     if (class_exists('DB')) {
 498         echo "$IND PHP Pear DB support is present.<br />\n";
 499         $db_functions=array(
 500             'dbase' => 'dbase_open',
 501             'fbsql' => 'fbsql_connect',
 502             'interbase' => 'ibase_connect',
 503             'informix' => 'ifx_connect',
 504             'msql' => 'msql_connect',
 505             'mssql' => 'mssql_connect',
 506             'mysql' => 'mysql_connect',
 507             'mysqli' => 'mysqli_connect',
 508             'oci8' => 'ocilogon',
 509             'odbc' => 'odbc_connect',
 510             'pgsql' => 'pg_connect',
 511             'sqlite' => 'sqlite_open',
 512             'sybase' => 'sybase_connect'
 513             );
 514
 515         $dsns = array();
 516         if($prefs_dsn) {
 517             $dsns['preferences'] = $prefs_dsn;
 518         }
 519         if($addrbook_dsn) {
 520             $dsns['addressbook'] = $addrbook_dsn;
 521         }
 522         if($addrbook_global_dsn) {
 523             $dsns['global addressbook'] = $addrbook_global_dsn;
 524         }
 525
 526         foreach($dsns as $type => $dsn) {
 527             $aDsn = explode(':', $dsn);
 528             $dbtype = array_shift($aDsn);
 529             if(isset($db_functions[$dbtype]) && function_exists($db_functions[$dbtype])) {
 530                 echo "$IND$dbtype database support present.<br />\n";
 531
 532                 // now, test this interface:
 533
 534                 $dbh = DB::connect($dsn, true);
 535                 if (DB::isError($dbh)) {
 536                     do_err('Database error: '. htmlspecialchars(DB::errorMessage($dbh)) .
 537                         ' in ' .$type .' DSN.');
 538                 }
 539                 $dbh->disconnect();
 540                 echo "$IND$type database connect successful.<br />\n";
 541
 542             } else {
 543                 do_err($dbtype.' database support not present!');
 544             }
 545         }
 546     } else {
 547         $db_error='Required PHP PEAR DB support is not available.'
 548             .' Is PEAR installed and is the include path set correctly to find <tt>DB.php</tt>?'
 549             .' The include path is now:<tt>' . ini_get('include_path') . '</tt>.';
 550         do_err($db_error);
 551     }
 552 } else {
 553     echo $IND."not using database functionality.<br />\n";
 554 }
 555
 556 // LDAP DB tests
 557 echo "Checking LDAP functions...<br />\n";
 558 if( empty($ldap_server) ) {
 559     echo $IND."not using LDAP functionality.<br />\n";
 560 } else {
 561     if ( !function_exists('ldap_connect') ) {
 562         do_err('Required LDAP support is not available.');
 563     } else {
 564         echo "$IND LDAP support present.<br />\n";
 565         foreach ( $ldap_server as $param ) {
 566
 567             $linkid = @ldap_connect($param['host'], (empty($param['port']) ? 389 : $param['port']) );
 568
 569             if ( $linkid ) {
 570                echo "$IND LDAP connect to ".$param['host']." successful: ".$linkid."<br />\n";
 571
 572                 if ( !empty($param['protocol']) &&
 573                      !ldap_set_option($linkid, LDAP_OPT_PROTOCOL_VERSION, $param['protocol']) ) {
 574                     do_err('Unable to set LDAP protocol');
 575                 }
 576
 577                 if ( empty($param['binddn']) ) {
 578                     $bind = @ldap_bind($linkid);
 579                 } else {
 580                     $bind = @ldap_bind($param['binddn'], $param['bindpw']);
 581                 }
 582
 583                 if ( $bind ) {
 584                     echo "$IND LDAP Bind Successful <br />";
 585                 } else {
 586                     do_err('Unable to Bind to LDAP Server');
 587                 }
 588
 589                 @ldap_close($linkid);
 590             } else {
 591                 do_err('Connection to LDAP failed');
 592             }
 593         }
 594     }
 595 }
 596
 597 echo '<hr width="75%" align="center">';
 598 echo '<h2 align="center">Summary</h2>';
 599 $footer = '<hr width="75%" align="center">';
 600 if ($warnings) {
 601         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>';
 602         echo $footer;
 603 } else {
 604 print <<< EOF
 605 <p>Congratulations, your SquirrelMail setup looks fine to me!</p>
 606
 607 <p><a href="login.php">Login now</a></p>
 608
 609 </body>
 610 </html>
 611 EOF;
 612 echo $footer;
 613 }
 614 ?>