Add warning about magic_quotes_* in configtest.
[squirrelmail.git] / src / configtest.php
CommitLineData
d1ae9d4c 1<?php
134e4174 2
30967a1e 3/**
d1ae9d4c 4 * SquirrelMail configtest script
5 *
47ccfad4 6 * @copyright &copy; 2003-2006 The SquirrelMail Project Team
4b4abf93 7 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
30967a1e 8 * @version $Id$
9 * @package squirrelmail
10 * @subpackage config
d1ae9d4c 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
df758744 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
dda39a1a 21/** force verbose error reporting and turn on display of errors */
22error_reporting(E_ALL);
23ini_set('display_errors',1);
24
25/** Blockcopy from init.php. Cleans globals. */
26if ((bool) ini_get('register_globals') &&
27 strtolower(ini_get('register_globals'))!='off') {
28 /**
29 * Remove all globals that are not reserved by PHP
30 * 'value' and 'key' are used by foreach. Don't unset them inside foreach.
31 */
32 foreach ($GLOBALS as $key => $value) {
33 switch($key) {
34 case 'HTTP_POST_VARS':
35 case '_POST':
36 case 'HTTP_GET_VARS':
37 case '_GET':
38 case 'HTTP_COOKIE_VARS':
39 case '_COOKIE':
40 case 'HTTP_SERVER_VARS':
41 case '_SERVER':
42 case 'HTTP_ENV_VARS':
43 case '_ENV':
44 case 'HTTP_POST_FILES':
45 case '_FILES':
46 case '_REQUEST':
47 case 'HTTP_SESSION_VARS':
48 case '_SESSION':
49 case 'GLOBALS':
50 case 'key':
51 case 'value':
52 break;
53 default:
54 unset($GLOBALS[$key]);
55 }
56 }
57 // Unset variables used in foreach
58 unset($GLOBALS['key']);
59 unset($GLOBALS['value']);
60}
61
62
63/**
64 * Displays error messages and warnings
65 * @param string $str message
66 * @param boolean $fatal fatal error or only warning
67 */
3a196538 68function do_err($str, $fatal = TRUE) {
f084f987 69 global $IND, $warnings;
70 $level = $fatal ? 'FATAL ERROR:' : 'WARNING:';
3a196538 71 echo '<p>'.$IND.'<font color="red"><b>' . $level . '</b></font> ' .$str. "</p>\n";
72 if($fatal) {
f084f987 73 echo '</body></html>';
74 exit;
3a196538 75 } else {
f084f987 76 $warnings++;
77 }
5b53b7e0 78}
79
5b53b7e0 80ob_implicit_flush();
30967a1e 81/** @ignore */
5b53b7e0 82define('SM_PATH', '../');
dda39a1a 83/** load minimal function set */
84require(SM_PATH . 'functions/global.php');
85require(SM_PATH . 'functions/strings.php');
5b53b7e0 86
dda39a1a 87/** set default value in order to block remote access */
d0184454 88$allow_remote_configtest=false;
89
dda39a1a 90/** Load all configuration files before output begins */
91
92/* load default configuration */
93require(SM_PATH . 'config/config_default.php');
94/* reset arrays in default configuration */
95$ldap_server = array();
96$plugins = array();
97$fontsets = array();
98$theme = array();
99$theme[0]['PATH'] = SM_PATH . 'themes/default_theme.php';
100$theme[0]['NAME'] = 'Default';
101$aTemplateSet = array();
102$aTemplateSet[0]['ID'] = 'default';
103$aTemplateSet[0]['NAME'] = 'Default';
104/* load site configuration */
5b53b7e0 105if (file_exists(SM_PATH . 'config/config.php')) {
dda39a1a 106 require(SM_PATH . 'config/config.php');
5b53b7e0 107}
dda39a1a 108/* load local configuration overrides */
109if (file_exists(SM_PATH . 'config/config_local.php')) {
110 require(SM_PATH . 'config/config_local.php');
111}
112
8459a9bb 113/** Load plugins */
114global $disable_plugins;
115$squirrelmail_plugin_hooks = array();
116if (!$disable_plugins && file_exists(SM_PATH . 'config/plugin_hooks.php')) {
117 require(SM_PATH . 'config/plugin_hooks.php');
118}
119
dda39a1a 120/** Warning counter */
121$warnings = 0;
122
123/** indent */
124$IND = str_repeat('&nbsp;',4);
c772f125 125
69792446 126/**
127 * get_location starts session and must be run before output is started.
128 */
129$test_location = get_location();
130
151562a7 131?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
132 "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
d1ae9d4c 133<html>
134<head>
f084f987 135 <meta name="robots" content="noindex,nofollow">
136 <title>SquirrelMail configtest</title>
d1ae9d4c 137</head>
138<body>
139<h1>SquirrelMail configtest</h1>
140
141<p>This script will try to check some aspects of your SquirrelMail configuration
142and point you to errors whereever it can find them. You need to go run <tt>conf.pl</tt>
d18703d3 143in the <tt>config/</tt> directory first before you run this script.</p>
d1ae9d4c 144
145<?php
146
d1ae9d4c 147$included = array_map('basename', get_included_files() );
148if(!in_array('config.php', $included)) {
149 if(!file_exists(SM_PATH . 'config/config.php')) {
150 do_err('Config file '.SM_PATH . 'config/config.php does not exist!<br />'.
f084f987 151 'You need to run <tt>conf.pl</tt> first.');
d1ae9d4c 152 }
153 do_err('Could not read '.SM_PATH.'config/config.php! Check file permissions.');
154}
155if(!in_array('strings.php', $included)) {
156 do_err('Could not include '.SM_PATH.'functions/strings.php!<br />'.
f084f987 157 'Check permissions on that file.');
d1ae9d4c 158}
159
d0184454 160/* Block remote use of script */
161if (! $allow_remote_configtest) {
162 sqGetGlobalVar('REMOTE_ADDR',$client_ip,SQ_SERVER);
a15f9d93 163 sqGetGlobalVar('SERVER_ADDR',$server_ip,SQ_SERVER);
164
165 if ((! isset($client_ip) || $client_ip!='127.0.0.1') &&
f084f987 166 (! isset($client_ip) || ! isset($server_ip) || $client_ip!=$server_ip)) {
f8a1ed5a 167 do_err('Enable "Allow remote configtest" option in squirrelmail configuration in order to use this script.');
d0184454 168 }
169}
d1ae9d4c 170/* checking PHP specs */
171
17fca61d 172echo "<p><table>\n<tr><td>SquirrelMail version:</td><td><b>" . $version . "</b></td></tr>\n" .
f084f987 173 '<tr><td>Config file version:</td><td><b>' . $config_version . "</b></td></tr>\n" .
174 '<tr><td>Config file last modified:</td><td><b>' .
175 date ('d F Y H:i:s', filemtime(SM_PATH . 'config/config.php')) .
176 "</b></td></tr>\n</table>\n</p>\n\n";
d1ae9d4c 177
c3da9f50 178/* check $config_version */
65efa982 179if ($config_version!='1.5.0') {
c3da9f50 180 do_err('Configuration file version does not match required version. Please update your configuration file.');
181}
a15f9d93 182
d1ae9d4c 183echo "Checking PHP configuration...<br />\n";
184
abd74f7d 185if(!check_php_version(4,1,0)) {
186 do_err('Insufficient PHP version: '. PHP_VERSION . '! Minimum required: 4.1.0');
d1ae9d4c 187}
188
3a196538 189echo $IND . 'PHP version ' . PHP_VERSION . ' OK. (You have: ' . phpversion() . ". Minimum: 4.1.0)<br />\n";
a3b99374 190/* test for boolean false and any string that is not equal to 'off' */
191if ((bool) ini_get('register_globals') &&
192 strtolower(ini_get('register_globals'))!='off') {
dda39a1a 193 do_err('You have register_globals turned on. This is not an error, but it CAN be a security hazard. Consider turning register_globals off.', false);
c772f125 194}
d1ae9d4c 195$php_exts = array('session','pcre');
196$diff = array_diff($php_exts, get_loaded_extensions());
197if(count($diff)) {
198 do_err('Required PHP extensions missing: '.implode(', ',$diff) );
199}
200
17fca61d 201echo $IND . "PHP extensions OK.<br />\n";
d1ae9d4c 202
8f186a2a 203/* dangerous php settings */
204/**
205 * mbstring.func_overload allows to replace original string and regexp functions
206 * with their equivalents from php mbstring extension. It causes problems when
d0184454 207 * scripts analyze 8bit strings byte after byte or use 8bit strings in regexp tests.
9211bcef 208 * Setting can be controlled in php.ini (php 4.2.0), webserver config (php 4.2.0)
8f186a2a 209 * and .htaccess files (php 4.3.5).
210 */
211if (function_exists('mb_internal_encoding') &&
9211bcef 212 check_php_version(4,2,0) &&
8f186a2a 213 (int)ini_get('mbstring.func_overload')!=0) {
214 $mb_error='You have enabled mbstring overloading.'
215 .' It can cause problems with SquirrelMail scripts that rely on single byte string functions.';
216 do_err($mb_error);
217}
d1ae9d4c 218
99c1c0d6 219/**
220 * Do not use SquirrelMail with magic_quotes_* on.
221 */
222if ( get_magic_quotes_runtime() || get_magic_quotes_gpc() ||
223 ( (bool) ini_get('magic_quotes_sybase') && ini_get('magic_quotes_sybase') != 'off' )
224 ) {
225 $magic_quotes_warning='You have enabled any one of <tt>magic_quotes_runtime</tt>, '
226 .'<tt>magic_quotes_gpc</tt> or <tt>magic_quotes_sybase</tt> in your PHP '
227 .'configuration. We recommend all those settings to be off. SquirrelMail '
228 .'may work with them on, but when experiencing stray backslashes in your mail '
229 .'or other strange behaviour, it may be advisable to turn them off.';
230 do_err($magic_quotes_warning,false);
231}
232
233
d1ae9d4c 234/* checking paths */
235
236echo "Checking paths...<br />\n";
237
238if(!file_exists($data_dir)) {
d0184454 239 // data_dir is not that important in db_setups.
240 if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
241 $data_dir_error = "Data dir ($data_dir) does not exist!\n";
242 echo $IND .'<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
243 } else {
244 do_err("Data dir ($data_dir) does not exist!");
245 }
91e0dccc 246}
d0184454 247// don't check if errors
248if(!isset($data_dir_error) && !is_dir($data_dir)) {
249 if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
250 $data_dir_error = "Data dir ($data_dir) is not a directory!\n";
251 echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
252 } else {
253 do_err("Data dir ($data_dir) is not a directory!");
254 }
91e0dccc 255}
d4eaadbe 256// datadir should be executable - but no clean way to test on that
d0184454 257if(!isset($data_dir_error) && !is_writable($data_dir)) {
258 if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
259 $data_dir_error = "Data dir ($data_dir) is not writable!\n";
260 echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
261 } else {
262 do_err("Data dir ($data_dir) is not writable!");
263 }
d1ae9d4c 264}
265
d0184454 266if (isset($data_dir_error)) {
267 echo " Some plugins might need access to data directory.<br />\n";
268} else {
269 // todo_ornot: actually write something and read it back.
270 echo $IND . "Data dir OK.<br />\n";
271}
d1ae9d4c 272
273if($data_dir == $attachment_dir) {
274 echo $IND . "Attachment dir is the same as data dir.<br />\n";
d0184454 275 if (isset($data_dir_error)) {
276 do_err($data_dir_error);
277 }
d1ae9d4c 278} else {
279 if(!file_exists($attachment_dir)) {
280 do_err("Attachment dir ($attachment_dir) does not exist!");
91e0dccc 281 }
d1ae9d4c 282 if (!is_dir($attachment_dir)) {
283 do_err("Attachment dir ($attachment_dir) is not a directory!");
91e0dccc 284 }
d1ae9d4c 285 if (!is_writable($attachment_dir)) {
286 do_err("I cannot write to attachment dir ($attachment_dir)!");
287 }
288 echo $IND . "Attachment dir OK.<br />\n";
289}
290
291
292/* check plugins and themes */
99a44bdc 293//FIXME: check requirements given in plugin _info() function, such
294// as required PHP extensions, Pear packages, other plugins, SM version, etc
295// see development docs for list of returned info from that function
f084f987 296$bad_plugins = array(
0880efc9 297 'attachment_common', // Integrated into SquirrelMail 1.2 core
eb7bd9b7 298 'auto_prune_sent', // Obsolete: See Proon Automatic Folder Pruning plugin
0880efc9 299 'compose_new_window', // Integrated into SquirrelMail 1.4 core
300 'delete_move_next', // Integrated into SquirrelMail 1.5 core
eb7bd9b7 301 'disk_quota', // Obsolete: See Check Quota plugin
0880efc9 302 'email_priority', // Integrated into SquirrelMail 1.2 core
eb7bd9b7 303 'emoticons', // Obsolete: See HTML Mail plugin
0880efc9 304 'focus_change', // Integrated into SquirrelMail 1.2 core
305 'folder_settings', // Integrated into SquirrelMail 1.5.1 core
306 'global_sql_addressbook', // Integrated into SquirrelMail 1.4 core
eb7bd9b7 307 'hancock', // Not Working: See Random Signature Taglines plugin
0880efc9 308 'msg_flags', // Integrated into SquirrelMail 1.5.1 core
309 'message_source', // Added to SquirrelMail 1.4 Core Plugins (message_details)
310 'motd', // Integrated into SquirrelMail 1.2 core
311 'paginator', // Integrated into SquirrelMail 1.2 core
312 'printer_friendly', // Integrated into SquirrelMail 1.2 core
eb7bd9b7 313 'procfilter', // Obsolete: See Server Side Filter plugin
0880efc9 314 'redhat_php_cgi_fix', // Integrated into SquirrelMail 1.1.1 core
315 'send_to_semicolon', // Integrated into SquirrelMail 1.4.1 core
316 'spamassassin', // Not working beyond SquirrelMail 1.2.7: See Spamassassin SpamFilter (Frontend) v2 plugin
317 'sqcalendar', // Added to SquirrelMail 1.2 Core Plugins (calendar)
318 'sqclock', // Integrated into SquirrelMail 1.2 core
eb7bd9b7 319 'sql_squirrel_logger', // Obsolete: See Squirrel Logger plugin
320 'tmda', // Obsolete: See TMDA Tools plugin
321 'vacation', // Obsolete: See Vacation Local plugin
0880efc9 322 'view_as_html', // Integrated into SquirrelMail 1.5.1 core
323 'xmailer' // Integrated into SquirrelMail 1.2 core
f084f987 324 );
3a196538 325
5b53b7e0 326if (isset($plugins[0])) {
327 foreach($plugins as $plugin) {
328 if(!file_exists(SM_PATH .'plugins/'.$plugin)) {
f084f987 329 do_err('You have enabled the <i>'.$plugin.'</i> plugin, but I cannot find it.', FALSE);
5b53b7e0 330 } elseif (!is_readable(SM_PATH .'plugins/'.$plugin.'/setup.php')) {
f084f987 331 do_err('You have enabled the <i>'.$plugin.'</i> plugin, but I cannot read its setup.php file.', FALSE);
332 } elseif (in_array($plugin, $bad_plugins)) {
333 do_err('You have enabled the <i>'.$plugin.'</i> plugin, which causes problems with this version of SquirrelMail. Please check the ReleaseNotes or other documentation for more information.', false);
334 }
d1ae9d4c 335 }
69792446 336 // load plugin functions
337 include_once(SM_PATH . 'functions/plugin.php');
338 // turn on output buffering in order to prevent output of new lines
339 ob_start();
340 foreach ($plugins as $name) {
341 use_plugin($name);
342 }
343 // get output and remove whitespace
344 $output = trim(ob_get_contents());
345 ob_end_clean();
346 // if plugins output more than newlines and spacing, stop script execution.
347 if (!empty($output)) {
c13b8d16 348 $plugin_load_error = 'Some output is produced when plugins are loaded. Usually this means there is an error in one of the plugin setup or configuration files. The output was: '.htmlspecialchars($output);
69792446 349 do_err($plugin_load_error);
350 }
351 /**
6e515418 352 * This hook was added in 1.5.2. Each plugins should print an error
353 * message and return TRUE if there are any errors in its setup/configuration.
69792446 354 */
6e515418 355 $plugin_err = boolean_hook_function('configtest', $null);
69792446 356 if($plugin_err) {
357 do_err('Some plugin tests failed.');
358 } else {
359 echo $IND . "Plugins OK.<br />\n";
360 }
5b53b7e0 361} else {
362 echo $IND . "Plugins are not enabled in config.<br />\n";
d1ae9d4c 363}
d1ae9d4c 364foreach($theme as $thm) {
365 if(!file_exists($thm['PATH'])) {
366 do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot find it ('.$thm['PATH'].').', FALSE);
367 } elseif(!is_readable($thm['PATH'])) {
368 do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot read it ('.$thm['PATH'].').', FALSE);
369 }
370}
371
372echo $IND . "Themes OK.<br />\n";
373
07337c9b 374if ( $squirrelmail_default_language != 'en_US' ) {
375 $loc_path = SM_PATH .'locale/'.$squirrelmail_default_language.'/LC_MESSAGES/squirrelmail.mo';
376 if( ! file_exists( $loc_path ) ) {
f8a1ed5a 377 do_err('You have set <i>' . $squirrelmail_default_language .
f084f987 378 '</i> as your default language, but I cannot find this translation (should be '.
379 'in <tt>' . $loc_path . '</tt>). Please note that you have to download translations '.
380 'separately from the main SquirrelMail package.', FALSE);
07337c9b 381 } elseif ( ! is_readable( $loc_path ) ) {
f8a1ed5a 382 do_err('You have set <i>' . $squirrelmail_default_language .
f084f987 383 '</i> as your default language, but I cannot read this translation (file '.
384 'in <tt>' . $loc_path . '</tt> unreadable).', FALSE);
07337c9b 385 } else {
386 echo $IND . "Default language OK.<br />\n";
387 }
388} else {
389 echo $IND . "Default language OK.<br />\n";
390}
391
74530cf4 392echo $IND . "Base URL detected as: <tt>" . htmlspecialchars($test_location) .
393 "</tt> (location base " . (empty($config_location_base) ? 'autodetected' : 'set to <tt>' .
394 htmlspecialchars($config_location_base)."</tt>") . ")<br />\n";
23649466 395
a15f9d93 396/* check minimal requirements for other security options */
d1ae9d4c 397
a15f9d93 398/* imaps or ssmtp */
399if($use_smtp_tls == 1 || $use_imap_tls == 1) {
d1ae9d4c 400 if(!check_php_version(4,3,0)) {
401 do_err('You need at least PHP 4.3.0 for SMTP/IMAP TLS!');
402 }
403 if(!extension_loaded('openssl')) {
404 do_err('You need the openssl PHP extension to use SMTP/IMAP TLS!');
405 }
406}
a15f9d93 407/* starttls extensions */
1c4f110f 408if($use_smtp_tls === 2 || $use_imap_tls === 2) {
a15f9d93 409 if (! function_exists('stream_socket_enable_crypto')) {
410 do_err('If you want to use STARTTLS extension, you need stream_socket_enable_crypto() function from PHP 5.1.0 and newer.');
411 }
412}
413/* digest-md5 */
414if ($smtp_auth_mech=='digest-md5' || $imap_auth_mech =='digest-md5') {
415 if (!extension_loaded('xml')) {
416 do_err('You need the PHP XML extension to use Digest-MD5 authentication!');
417 }
418}
419
420/* check outgoing mail */
d1ae9d4c 421
422echo "Checking outgoing mail service....<br />\n";
423
424if($useSendmail) {
425 // is_executable also checks for existance, but we want to be as precise as possible with the errors
426 if(!file_exists($sendmail_path)) {
427 do_err("Location of sendmail program incorrect ($sendmail_path)!");
91e0dccc 428 }
d1ae9d4c 429 if(!is_executable($sendmail_path)) {
430 do_err("I cannot execute the sendmail program ($sendmail_path)!");
431 }
432
433 echo $IND . "sendmail OK<br />\n";
434} else {
a15f9d93 435 $stream = fsockopen( ($use_smtp_tls==1?'tls://':'').$smtpServerAddress, $smtpPort,
f084f987 436 $errorNumber, $errorString);
d1ae9d4c 437 if(!$stream) {
438 do_err("Error connecting to SMTP server \"$smtpServerAddress:$smtpPort\".".
f084f987 439 "Server error: ($errorNumber) ".htmlspecialchars($errorString));
d1ae9d4c 440 }
441
442 // check for SMTP code; should be 2xx to allow us access
443 $smtpline = fgets($stream, 1024);
444 if(((int) $smtpline{0}) > 3) {
9c941728 445 do_err("Error connecting to SMTP server. Server error: ".
f084f987 446 htmlspecialchars($smtpline));
d1ae9d4c 447 }
448
a15f9d93 449 /* smtp starttls checks */
1c4f110f 450 if ($use_smtp_tls===2) {
a15f9d93 451 // if something breaks, script should close smtp connection on exit.
452
453 // say helo
454 fwrite($stream,"EHLO $client_ip\r\n");
455
456 $ehlo=array();
457 $ehlo_error = false;
458 while ($line=fgets($stream, 1024)){
459 if (preg_match("/^250(-|\s)(\S*)\s+(\S.*)/",$line,$match)||
f084f987 460 preg_match("/^250(-|\s)(\S*)\s+/",$line,$match)) {
a15f9d93 461 if (!isset($match[3])) {
462 // simple one word extension
463 $ehlo[strtoupper($match[2])]='';
464 } else {
465 // ehlo-keyword + ehlo-param
466 $ehlo[strtoupper($match[2])]=trim($match[3]);
467 }
468 if ($match[1]==' ') {
469 $ret = $line;
470 break;
471 }
472 } else {
473 //
474 $ehlo_error = true;
475 $ehlo[]=$line;
476 break;
477 }
478 }
479 if ($ehlo_error) {
480 do_err('SMTP EHLO failed. You need ESMTP support for SMTP STARTTLS');
481 } elseif (!array_key_exists('STARTTLS',$ehlo)) {
482 do_err('STARTTLS support is not declared by SMTP server.');
483 }
484
485 fwrite($stream,"STARTTLS\r\n");
486 $starttls_response=fgets($stream, 1024);
487 if ($starttls_response[0]!=2) {
488 $starttls_cmd_err = 'SMTP STARTTLS failed. Server replied: '
489 .htmlspecialchars($starttls_response);
490 do_err($starttls_cmd_err);
491 } elseif(! stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
492 do_err('Failed to enable encryption on SMTP STARTTLS connection.');
493 } else {
494 echo $IND . "SMTP STARTTLS extension looks OK.<br />\n";
495 }
496 // According to RFC we should second ehlo call here.
497 }
498
d1ae9d4c 499 fputs($stream, 'QUIT');
500 fclose($stream);
9c941728 501 echo $IND . 'SMTP server OK (<tt><small>'.
f084f987 502 trim(htmlspecialchars($smtpline))."</small></tt>)<br />\n";
d1ae9d4c 503
504 /* POP before SMTP */
505 if($pop_before_smtp) {
506 $stream = fsockopen($smtpServerAddress, 110, $err_no, $err_str);
507 if (!$stream) {
9c941728 508 do_err("Error connecting to POP Server ($smtpServerAddress:110) "
f084f987 509 . $err_no . ' : ' . htmlspecialchars($err_str));
d1ae9d4c 510 }
511
512 $tmp = fgets($stream, 1024);
513 if (substr($tmp, 0, 3) != '+OK') {
514 do_err("Error connecting to POP Server ($smtpServerAddress:110)"
f084f987 515 . ' '.htmlspecialchars($tmp));
d1ae9d4c 516 }
517 fputs($stream, 'QUIT');
518 fclose($stream);
519 echo $IND . "POP-before-SMTP OK.<br />\n";
520 }
521}
522
df758744 523/**
524 * Check the IMAP server
525 */
d1ae9d4c 526echo "Checking IMAP service....<br />\n";
527
df758744 528/** Can we open a connection? */
a15f9d93 529$stream = fsockopen( ($use_imap_tls==1?'tls://':'').$imapServerAddress, $imapPort,
f084f987 530 $errorNumber, $errorString);
d1ae9d4c 531if(!$stream) {
70b71161 532 do_err("Error connecting to IMAP server \"$imapServerAddress:$imapPort\".".
f084f987 533 "Server error: ($errorNumber) ".
534 htmlspecialchars($errorString));
d1ae9d4c 535}
536
df758744 537/** Is the first response 'OK'? */
d1ae9d4c 538$imapline = fgets($stream, 1024);
539if(substr($imapline, 0,4) != '* OK') {
f084f987 540 do_err('Error connecting to IMAP server. Server error: '.
541 htmlspecialchars($imapline));
d1ae9d4c 542}
543
df758744 544echo $IND . 'IMAP server ready (<tt><small>'.
9c941728 545 htmlspecialchars(trim($imapline))."</small></tt>)<br />\n";
d1ae9d4c 546
df758744 547/** Check capabilities */
548fputs($stream, "A001 CAPABILITY\r\n");
a15f9d93 549$capline = '';
550while ($line=fgets($stream, 1024)){
f084f987 551 if (preg_match("/A001.*/",$line)) {
552 break;
553 } else {
554 $capline.=$line;
555 }
a15f9d93 556}
557
558/* don't display capabilities before STARTTLS */
1c4f110f 559if ($use_imap_tls===2 && stristr($capline, 'STARTTLS') === false) {
a15f9d93 560 do_err('Your server doesn\'t support STARTTLS.');
1c4f110f 561} elseif($use_imap_tls===2) {
a15f9d93 562 /* try starting starttls */
563 fwrite($stream,"A002 STARTTLS\r\n");
564 $starttls_line=fgets($stream, 1024);
565 if (! preg_match("/^A002 OK.*/i",$starttls_line)) {
566 $imap_starttls_err = 'IMAP STARTTLS failed. Server replied: '
f084f987 567 .htmlspecialchars($starttls_line);
a15f9d93 568 do_err($imap_starttls_err);
569 } elseif (! stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
570 do_err('Failed to enable encryption on IMAP connection.');
571 } else {
572 echo $IND . "IMAP STARTTLS extension looks OK.<br />\n";
573 }
574
575 // get new capability line
576 fwrite($stream,"A003 CAPABILITY\r\n");
577 $capline='';
578 while ($line=fgets($stream, 1024)){
579 if (preg_match("/A003.*/",$line)) {
580 break;
581 } else {
582 $capline.=$line;
583 }
584 }
585}
df758744 586
587echo $IND . 'Capabilities: <tt>'.htmlspecialchars($capline)."</tt><br />\n";
588
589if($imap_auth_mech == 'login' && stristr($capline, 'LOGINDISABLED') !== FALSE) {
590 do_err('Your server doesn\'t allow plaintext logins. '.
f084f987 591 'Try enabling another authentication mechanism like CRAM-MD5, DIGEST-MD5 or TLS-encryption '.
592 'in the SquirrelMail configuration.', FALSE);
df758744 593}
df758744 594
ceb7ad3c 595if (stristr($capline, 'XMAGICTRASH') !== false) {
596 $magic_trash = 'It looks like IMAP_MOVE_EXPUNGE_TO_TRASH option is turned on '
597 .'in your Courier IMAP configuration. Courier does not provide tools that '
598 .'allow to detect folder used for Trash or commands are not documented. '
599 .'SquirrelMail can\'t detect special trash folder. SquirrelMail manages '
600 .'all message deletion or move operations internally and '
601 .'IMAP_MOVE_EXPUNGE_TO_TRASH option can cause errors in message and '
602 .'folder management operations. Please turn off IMAP_MOVE_EXPUNGE_TO_TRASH '
603 .'option in Courier imapd configuration.';
604 do_err($magic_trash,false);
605}
606
0fa9bde7 607/* add warning about IMAP delivery */
608if (stristr($capline, 'XCOURIEROUTBOX') !== false) {
609 $courier_outbox = 'OUTBOX setting is enabled in your Courier imapd '
610 .'configuration. SquirrelMail uses standard SMTP protocol or sendmail '
611 .'binary to send emails. Courier IMAP delivery method is not supported'
612 .' and can create duplicate email messages.';
613 do_err($courier_outbox,false);
614}
615
df758744 616/** OK, close connection */
a15f9d93 617fputs($stream, "A004 LOGOUT\r\n");
df758744 618fclose($stream);
619
17fca61d 620echo "Checking internationalization (i18n) settings...<br />\n";
0ed3bdc3 621echo "$IND gettext - ";
622if (function_exists('gettext')) {
8f186a2a 623 echo 'Gettext functions are available.'
624 .' On some systems you must have appropriate system locales compiled.'
625 ."<br />\n";
fd72907b 626
627 /* optional setlocale() tests. Should work only on glibc systems. */
628 if (sqgetGlobalVar('testlocales',$testlocales,SQ_GET)) {
867fed37 629 include_once(SM_PATH . 'include/languages.php');
fd72907b 630 echo $IND . $IND . 'Testing translations:<br>';
631 foreach ($languages as $lang_code => $lang_data) {
632 /* don't test aliases */
633 if (isset($lang_data['NAME'])) {
634 /* locale can be $lang_code or $lang_data['LOCALE'] */
635 if (isset($lang_data['LOCALE'])) {
636 $setlocale = $lang_data['LOCALE'];
637 } else {
638 $setlocale = $lang_code;
639 }
640 /* prepare information about tested locales */
641 if (is_array($setlocale)) {
642 $display_locale = implode(', ',$setlocale);
643 $locale_count = count($setlocale);
644 } else {
645 $display_locale = $setlocale;
646 $locale_count = 1;
647 }
648 $tested_locales_msg = 'Tested '.htmlspecialchars($display_locale).' '
649 .($locale_count>1 ? 'locales':'locale'). '.';
650
651 echo $IND . $IND .$IND . $lang_data['NAME'].' (' .$lang_code. ') - ';
652 $retlocale = sq_setlocale(LC_ALL,$setlocale);
653 if (is_bool($retlocale)) {
654 echo '<font color="red">unsupported</font>. ';
655 echo $tested_locales_msg;
656 } else {
657 echo 'supported. '
658 .$tested_locales_msg
659 .' setlocale() returned "'.htmlspecialchars($retlocale).'"';
660 }
661 echo "<br />\n";
662 }
663 }
664 echo $IND . $IND . '<a href="configtest.php">Don\'t test translations</a>';
665 } else {
666 echo $IND . $IND . '<a href="configtest.php?testlocales=1">Test translations</a>. '
667 .'This test is not accurate and might work only on some systems.'
668 ."\n";
669 }
670 echo "<br />\n";
671 /* end of translation tests */
0ed3bdc3 672} else {
8f186a2a 673 echo 'Gettext functions are unavailable.'
674 .' SquirrelMail will use slower internal gettext functions.'
675 ."<br />\n";
0ed3bdc3 676}
677echo "$IND mbstring - ";
678if (function_exists('mb_detect_encoding')) {
679 echo "Mbstring functions are available.<br />\n";
680} else {
8f186a2a 681 echo 'Mbstring functions are unavailable.'
682 ." Japanese translation won't work.<br />\n";
0ed3bdc3 683}
684echo "$IND recode - ";
685if (function_exists('recode')) {
686 echo "Recode functions are available.<br />\n";
ba17b6c7 687} elseif (isset($use_php_recode) && $use_php_recode) {
0ed3bdc3 688 echo "Recode functions are unavailable.<br />\n";
689 do_err('Your configuration requires recode support, but recode support is missing.');
690} else {
691 echo "Recode functions are unavailable.<br />\n";
692}
693echo "$IND iconv - ";
694if (function_exists('iconv')) {
695 echo "Iconv functions are available.<br />\n";
ba17b6c7 696} elseif (isset($use_php_iconv) && $use_php_iconv) {
0ed3bdc3 697 echo "Iconv functions are unavailable.<br />\n";
698 do_err('Your configuration requires iconv support, but iconv support is missing.');
699} else {
700 echo "Iconv functions are unavailable.<br />\n";
701}
867fed37 702// same test as in include/init.php + date_default_timezone_set check
0ed3bdc3 703echo "$IND timezone - ";
867fed37 704if ( (!ini_get('safe_mode')) || function_exists('date_default_timezone_set') ||
f084f987 705 !strcmp(ini_get('safe_mode_allowed_env_vars'),'') ||
706 preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')) ) {
fd72907b 707 echo "Webmail users can change their time zone settings. \n";
0ed3bdc3 708} else {
fd72907b 709 echo "Webmail users can't change their time zone settings. \n";
4764a7ff 710}
fd72907b 711if (isset($_ENV['TZ'])) {
712 echo 'Default time zone is '.htmlspecialchars($_ENV['TZ']);
713} else {
714 echo 'Current time zone is '.date('T');
715}
716echo ".<br />\n";
d18703d3 717
4764a7ff 718// Pear DB tests
d18703d3 719echo "Checking database functions...<br />\n";
720if($addrbook_dsn || $prefs_dsn || $addrbook_global_dsn) {
134e4174 721 @include_once('DB.php');
722 if (class_exists('DB')) {
723 echo "$IND PHP Pear DB support is present.<br />\n";
724 $db_functions=array(
f084f987 725 'dbase' => 'dbase_open',
726 'fbsql' => 'fbsql_connect',
727 'interbase' => 'ibase_connect',
728 'informix' => 'ifx_connect',
729 'msql' => 'msql_connect',
730 'mssql' => 'mssql_connect',
731 'mysql' => 'mysql_connect',
732 'mysqli' => 'mysqli_connect',
733 'oci8' => 'ocilogon',
734 'odbc' => 'odbc_connect',
735 'pgsql' => 'pg_connect',
736 'sqlite' => 'sqlite_open',
737 'sybase' => 'sybase_connect'
738 );
134e4174 739
740 $dsns = array();
741 if($prefs_dsn) {
742 $dsns['preferences'] = $prefs_dsn;
743 }
744 if($addrbook_dsn) {
745 $dsns['addressbook'] = $addrbook_dsn;
746 }
747 if($addrbook_global_dsn) {
748 $dsns['global addressbook'] = $addrbook_global_dsn;
749 }
750
751 foreach($dsns as $type => $dsn) {
ba17b6c7 752 $aDsn = explode(':', $dsn);
753 $dbtype = array_shift($aDsn);
134e4174 754 if(isset($db_functions[$dbtype]) && function_exists($db_functions[$dbtype])) {
755 echo "$IND$dbtype database support present.<br />\n";
756
757 // now, test this interface:
758
759 $dbh = DB::connect($dsn, true);
760 if (DB::isError($dbh)) {
761 do_err('Database error: '. htmlspecialchars(DB::errorMessage($dbh)) .
f084f987 762 ' in ' .$type .' DSN.');
134e4174 763 }
764 $dbh->disconnect();
765 echo "$IND$type database connect successful.<br />\n";
766
767 } else {
ba17b6c7 768 do_err($dbtype.' database support not present!');
d18703d3 769 }
134e4174 770 }
771 } else {
8f186a2a 772 $db_error='Required PHP PEAR DB support is not available.'
773 .' Is PEAR installed and is the include path set correctly to find <tt>DB.php</tt>?'
774 .' The include path is now:<tt>' . ini_get('include_path') . '</tt>.';
775 do_err($db_error);
134e4174 776 }
4764a7ff 777} else {
d18703d3 778 echo $IND."not using database functionality.<br />\n";
0ed3bdc3 779}
7562c55b 780
781// LDAP DB tests
782echo "Checking LDAP functions...<br />\n";
783if( empty($ldap_server) ) {
134e4174 784 echo $IND."not using LDAP functionality.<br />\n";
7562c55b 785} else {
d0184454 786 if ( !function_exists('ldap_connect') ) {
7562c55b 787 do_err('Required LDAP support is not available.');
788 } else {
134e4174 789 echo "$IND LDAP support present.<br />\n";
7562c55b 790 foreach ( $ldap_server as $param ) {
791
d0184454 792 $linkid = @ldap_connect($param['host'], (empty($param['port']) ? 389 : $param['port']) );
7562c55b 793
794 if ( $linkid ) {
f084f987 795 echo "$IND LDAP connect to ".$param['host']." successful: ".$linkid."<br />\n";
91e0dccc 796
7562c55b 797 if ( !empty($param['protocol']) &&
f084f987 798 !ldap_set_option($linkid, LDAP_OPT_PROTOCOL_VERSION, $param['protocol']) ) {
7562c55b 799 do_err('Unable to set LDAP protocol');
91e0dccc 800 }
7562c55b 801
802 if ( empty($param['binddn']) ) {
d0184454 803 $bind = @ldap_bind($linkid);
7562c55b 804 } else {
d0184454 805 $bind = @ldap_bind($param['binddn'], $param['bindpw']);
7562c55b 806 }
807
808 if ( $bind ) {
809 echo "$IND LDAP Bind Successful <br />";
810 } else {
811 do_err('Unable to Bind to LDAP Server');
812 }
91e0dccc 813
d0184454 814 @ldap_close($linkid);
7562c55b 815 } else {
816 do_err('Connection to LDAP failed');
817 }
818 }
819 }
820}
a2b193bc 821
3a196538 822echo '<hr width="75%" align="center">';
823echo '<h2 align="center">Summary</h2>';
824$footer = '<hr width="75%" align="center">';
825if ($warnings) {
f084f987 826 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>';
827 echo $footer;
3a196538 828} else {
f084f987 829 print <<< EOF
d1ae9d4c 830<p>Congratulations, your SquirrelMail setup looks fine to me!</p>
831
13721b47 832<p><a href="login.php">Login now</a></p>
d1ae9d4c 833
834</body>
3a196538 835</html>
836EOF;
f084f987 837 echo $footer;
3a196538 838}
09efeab8 839?>