[squirrelmail.git] / src / configtest.php

<?php

/**
 * SquirrelMail configtest script
 *
 * @copyright &copy; 2003-2005 The SquirrelMail Project Team
 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
 * @version $Id$
 * @package squirrelmail
 * @subpackage config
 */

/************************************************************
 * NOTE: you do not need to change this script!             *
 * If it throws errors you need to adjust your config.      *
 ************************************************************/

// This script could really use some restructuring as it has grown quite rapidly
// but is not very 'clean'. Feel free to get some structure into this thing.

function do_err($str, $exit = TRUE) {
    global $IND;
    echo '<p>'.$IND.'<font color="red"><b>ERROR:</b></font> ' .$str. "</p>\n";
    if($exit) {
         echo '</body></html>';
         exit;
    }
}

$IND = str_repeat('&nbsp;',4);

ob_implicit_flush();
/** @ignore */
define('SM_PATH', '../');

/* set default value in order to block remote access to script */
$allow_remote_configtest=false;

/*
 * Load config before output begins. functions/strings.php depends on
 * functions/globals.php. functions/global.php needs to be run before
 * any html output starts. If config.php is missing, error will be displayed
 * later.
 */
if (file_exists(SM_PATH . 'config/config.php')) {
    include(SM_PATH . 'config/config.php');
    include(SM_PATH . 'functions/strings.php');
}
?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
    <meta name="robots" content="noindex,nofollow">
    <title>SquirrelMail configtest</title>
</head>
<body>
<h1>SquirrelMail configtest</h1>

<p>This script will try to check some aspects of your SquirrelMail configuration
and point you to errors whereever it can find them. You need to go run <tt>conf.pl</tt>
in the <tt>config/</tt> directory first before you run this script.</p>

<?php

$included = array_map('basename', get_included_files() );
if(!in_array('config.php', $included)) {
    if(!file_exists(SM_PATH . 'config/config.php')) {
        do_err('Config file '.SM_PATH . 'config/config.php does not exist!<br />'.
               'You need to run <tt>conf.pl</tt> first.');
    }
    do_err('Could not read '.SM_PATH.'config/config.php! Check file permissions.');
}
if(!in_array('strings.php', $included)) {
    do_err('Could not include '.SM_PATH.'functions/strings.php!<br />'.
           'Check permissions on that file.');
}

/* Block remote use of script */
if (! $allow_remote_configtest) {
    sqGetGlobalVar('REMOTE_ADDR',$client_ip,SQ_SERVER);
    if (! isset($client_ip) || $client_ip!='127.0.0.1') {
        do_err('Enable "Allow remote configtest" option in squirrelmail configuration in order to use this script.');
    }
}
/* checking PHP specs */

echo "<p><table>\n<tr><td>SquirrelMail version:</td><td><b>" . $version . "</b></td></tr>\n" .
     '<tr><td>Config file version:</td><td><b>' . $config_version . "</b></td></tr>\n" .
     '<tr><td>Config file last modified:</td><td><b>' .
         date ('d F Y H:i:s', filemtime(SM_PATH . 'config/config.php')) .
         "</b></td></tr>\n</table>\n</p>\n\n";

echo "Checking PHP configuration...<br />\n";

if(!check_php_version(4,1,0)) {
    do_err('Insufficient PHP version: '. PHP_VERSION . '! Minimum required: 4.1.0');
}

echo $IND . 'PHP version ' . PHP_VERSION . " OK.<br />\n";

$php_exts = array('session','pcre');
$diff = array_diff($php_exts, get_loaded_extensions());
if(count($diff)) {
    do_err('Required PHP extensions missing: '.implode(', ',$diff) );
}

echo $IND . "PHP extensions OK.<br />\n";

/* dangerous php settings */
/**
 * mbstring.func_overload allows to replace original string and regexp functions
 * with their equivalents from php mbstring extension. It causes problems when
 * scripts analyze 8bit strings byte after byte or use 8bit strings in regexp tests.
 * Setting can be controlled in php.ini (php 4.2.0), webserver config (php 4.2.0)
 * and .htaccess files (php 4.3.5).
 */
if (function_exists('mb_internal_encoding') &&
    check_php_version(4,2,0) &&
    (int)ini_get('mbstring.func_overload')!=0) {
    $mb_error='You have enabled mbstring overloading.'
        .' It can cause problems with SquirrelMail scripts that rely on single byte string functions.';
    do_err($mb_error);
}

/* checking paths */

echo "Checking paths...<br />\n";

if(!file_exists($data_dir)) {
    // data_dir is not that important in db_setups.
    if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
        $data_dir_error = "Data dir ($data_dir) does not exist!\n";
        echo $IND .'<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
    } else {
        do_err("Data dir ($data_dir) does not exist!");
    }
}
// don't check if errors
if(!isset($data_dir_error) && !is_dir($data_dir)) {
    if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
        $data_dir_error = "Data dir ($data_dir) is not a directory!\n";
        echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
    } else {
        do_err("Data dir ($data_dir) is not a directory!");
    }
}
// datadir should be executable - but no clean way to test on that
if(!isset($data_dir_error) && !is_writable($data_dir)) {
    if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
        $data_dir_error = "Data dir ($data_dir) is not writable!\n";
        echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
    } else {
        do_err("Data dir ($data_dir) is not writable!");
    }
}

if (isset($data_dir_error)) {
    echo " Some plugins might need access to data directory.<br />\n";
} else {
    // todo_ornot: actually write something and read it back.
    echo $IND . "Data dir OK.<br />\n";
}

if($data_dir == $attachment_dir) {
    echo $IND . "Attachment dir is the same as data dir.<br />\n";
    if (isset($data_dir_error)) {
        do_err($data_dir_error);
    }
} else {
    if(!file_exists($attachment_dir)) {
        do_err("Attachment dir ($attachment_dir) does not exist!");
    }
    if (!is_dir($attachment_dir)) {
        do_err("Attachment dir ($attachment_dir) is not a directory!");
    }
    if (!is_writable($attachment_dir)) {
        do_err("I cannot write to attachment dir ($attachment_dir)!");
    }
    echo $IND . "Attachment dir OK.<br />\n";
}


/* check plugins and themes */
if (isset($plugins[0])) {
    foreach($plugins as $plugin) {
        if(!file_exists(SM_PATH .'plugins/'.$plugin)) {
            do_err('You have enabled the <i>'.$plugin.'</i> plugin but I cannot find it.', FALSE);
        } elseif (!is_readable(SM_PATH .'plugins/'.$plugin.'/setup.php')) {
            do_err('You have enabled the <i>'.$plugin.'</i> plugin but I cannot read its setup.php file.', FALSE);
        }
    }
    echo $IND . "Plugins OK.<br />\n";
} else {
    echo $IND . "Plugins are not enabled in config.<br />\n";
}
foreach($theme as $thm) {
    if(!file_exists($thm['PATH'])) {
        do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot find it ('.$thm['PATH'].').', FALSE);
    } elseif(!is_readable($thm['PATH'])) {
        do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot read it ('.$thm['PATH'].').', FALSE);
    }
}

echo $IND . "Themes OK.<br />\n";

if ( $squirrelmail_default_language != 'en_US' ) {
    $loc_path = SM_PATH .'locale/'.$squirrelmail_default_language.'/LC_MESSAGES/squirrelmail.mo';
    if( ! file_exists( $loc_path ) ) {
        do_err('You have set <i>' . $squirrelmail_default_language .
            '</i> as your default language, but I cannot find this translation (should be '.
            'in <tt>' . $loc_path . '</tt>). Please note that you have to download translations '.
            'separately from the main SquirrelMail package.', FALSE);
    } elseif ( ! is_readable( $loc_path ) ) {
        do_err('You have set <i>' . $squirrelmail_default_language .
            '</i> as your default language, but I cannot read this translation (file '.
            'in <tt>' . $loc_path . '</tt> unreadable).', FALSE);
    } else {
        echo $IND . "Default language OK.<br />\n";
    }
} else {
    echo $IND . "Default language OK.<br />\n";
}

echo $IND . "Base URL detected as: <tt>" . htmlspecialchars(get_location()) . "</tt><br />\n";


/* check outgoing mail */

if($use_smtp_tls || $use_imap_tls) {
    if(!check_php_version(4,3,0)) {
        do_err('You need at least PHP 4.3.0 for SMTP/IMAP TLS!');
    }
    if(!extension_loaded('openssl')) {
        do_err('You need the openssl PHP extension to use SMTP/IMAP TLS!');
    }
}

echo "Checking outgoing mail service....<br />\n";

if($useSendmail) {
    // is_executable also checks for existance, but we want to be as precise as possible with the errors
    if(!file_exists($sendmail_path)) {
        do_err("Location of sendmail program incorrect ($sendmail_path)!");
    }
    if(!is_executable($sendmail_path)) {
        do_err("I cannot execute the sendmail program ($sendmail_path)!");
    }

    echo $IND . "sendmail OK<br />\n";
} else {
    $stream = fsockopen( ($use_smtp_tls?'tls://':'').$smtpServerAddress, $smtpPort,
                        $errorNumber, $errorString);
    if(!$stream) {
        do_err("Error connecting to SMTP server \"$smtpServerAddress:$smtpPort\".".
            "Server error: ($errorNumber) ".htmlspecialchars($errorString));
    }

    // check for SMTP code; should be 2xx to allow us access
    $smtpline = fgets($stream, 1024);
    if(((int) $smtpline{0}) > 3) {
        do_err("Error connecting to SMTP server. Server error: ".
        htmlspecialchars($smtpline));
    }

    fputs($stream, 'QUIT');
    fclose($stream);
    echo $IND . 'SMTP server OK (<tt><small>'.
        trim(htmlspecialchars($smtpline))."</small></tt>)<br />\n";

    /* POP before SMTP */
    if($pop_before_smtp) {
        $stream = fsockopen($smtpServerAddress, 110, $err_no, $err_str);
        if (!$stream) {
            do_err("Error connecting to POP Server ($smtpServerAddress:110) "
                  . $err_no . ' : ' . htmlspecialchars($err_str));
        }

        $tmp = fgets($stream, 1024);
        if (substr($tmp, 0, 3) != '+OK') {
            do_err("Error connecting to POP Server ($smtpServerAddress:110)"
                  . ' '.htmlspecialchars($tmp));
        }
        fputs($stream, 'QUIT');
        fclose($stream);
        echo $IND . "POP-before-SMTP OK.<br />\n";
    }
}

/**
 * Check the IMAP server
 */
echo "Checking IMAP service....<br />\n";

/** Can we open a connection? */
$stream = fsockopen( ($use_imap_tls?'tls://':'').$imapServerAddress, $imapPort,
                       $errorNumber, $errorString);
if(!$stream) {
    do_err("Error connecting to IMAP server \"$imapServerAddress:$imapPort\".".
        "Server error: ($errorNumber) ".
    htmlspecialchars($errorString));
}

/** Is the first response 'OK'? */
$imapline = fgets($stream, 1024);
if(substr($imapline, 0,4) != '* OK') {
   do_err('Error connecting to IMAP server. Server error: '.
       htmlspecialchars($imapline));
}

echo $IND . 'IMAP server ready (<tt><small>'.
    htmlspecialchars(trim($imapline))."</small></tt>)<br />\n";

/** Check capabilities */
fputs($stream, "A001 CAPABILITY\r\n");
$capline = fgets($stream, 1024);

echo $IND . 'Capabilities: <tt>'.htmlspecialchars($capline)."</tt><br />\n";

if($imap_auth_mech == 'login' && stristr($capline, 'LOGINDISABLED') !== FALSE) {
    do_err('Your server doesn\'t allow plaintext logins. '.
        'Try enabling another authentication mechanism like CRAM-MD5, DIGEST-MD5 or TLS-encryption '.
        'in the SquirrelMail configuration.', FALSE);
}
if($use_imap_tls && stristr($capline, 'STARTTLS') === FALSE) {
    do_err('You have enabled TLS encryption in the config, but the server does not '.
        'report STARTTLS capability. TLS is probably not supported.', FALSE);
}

/** OK, close connection */
fputs($stream, "A002 LOGOUT\r\n");
fclose($stream);

echo "Checking internationalization (i18n) settings...<br />\n";
echo "$IND gettext - ";
if (function_exists('gettext')) {
    echo 'Gettext functions are available.'
        .' On some systems you must have appropriate system locales compiled.'
        ."<br />\n";
} else {
    echo 'Gettext functions are unavailable.'
        .' SquirrelMail will use slower internal gettext functions.'
        ."<br />\n";
}
echo "$IND mbstring - ";
if (function_exists('mb_detect_encoding')) {
    echo "Mbstring functions are available.<br />\n";
} else {
    echo 'Mbstring functions are unavailable.'
        ." Japanese translation won't work.<br />\n";
}
echo "$IND recode - ";
if (function_exists('recode')) {
    echo "Recode functions are available.<br />\n";
} elseif (isset($use_php_recode) && $use_php_recode) {
    echo "Recode functions are unavailable.<br />\n";
    do_err('Your configuration requires recode support, but recode support is missing.');
} else {
    echo "Recode functions are unavailable.<br />\n";
}
echo "$IND iconv - ";
if (function_exists('iconv')) {
    echo "Iconv functions are available.<br />\n";
} elseif (isset($use_php_iconv) && $use_php_iconv) {
    echo "Iconv functions are unavailable.<br />\n";
    do_err('Your configuration requires iconv support, but iconv support is missing.');
} else {
    echo "Iconv functions are unavailable.<br />\n";
}
// same test as in include/validate.php
echo "$IND timezone - ";
if ( (!ini_get('safe_mode')) ||
    !strcmp(ini_get('safe_mode_allowed_env_vars'),'') ||
    preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')) ) {
        echo "Webmail users can change their time zone settings.<br />\n";
} else {
    echo "Webmail users can't change their time zone settings.<br />\n";
}


// Pear DB tests
echo "Checking database functions...<br />\n";
if($addrbook_dsn || $prefs_dsn || $addrbook_global_dsn) {
    @include_once('DB.php');
    if (class_exists('DB')) {
        echo "$IND PHP Pear DB support is present.<br />\n";
        $db_functions=array(
            'dbase' => 'dbase_open',
            'fbsql' => 'fbsql_connect',
            'interbase' => 'ibase_connect',
            'informix' => 'ifx_connect',
            'msql' => 'msql_connect',
            'mssql' => 'mssql_connect',
            'mysql' => 'mysql_connect',
            'mysqli' => 'mysqli_connect',
            'oci8' => 'ocilogon',
            'odbc' => 'odbc_connect',
            'pgsql' => 'pg_connect',
            'sqlite' => 'sqlite_open',
            'sybase' => 'sybase_connect'
            );

        $dsns = array();
        if($prefs_dsn) {
            $dsns['preferences'] = $prefs_dsn;
        }
        if($addrbook_dsn) {
            $dsns['addressbook'] = $addrbook_dsn;
        }
        if($addrbook_global_dsn) {
            $dsns['global addressbook'] = $addrbook_global_dsn;
        }

        foreach($dsns as $type => $dsn) {
            $aDsn = explode(':', $dsn);
            $dbtype = array_shift($aDsn);
            if(isset($db_functions[$dbtype]) && function_exists($db_functions[$dbtype])) {
                echo "$IND$dbtype database support present.<br />\n";

                // now, test this interface:

                $dbh = DB::connect($dsn, true);
                if (DB::isError($dbh)) {
                    do_err('Database error: '. htmlspecialchars(DB::errorMessage($dbh)) .
                        ' in ' .$type .' DSN.');
                }
                $dbh->disconnect();
                echo "$IND$type database connect successful.<br />\n";

            } else {
                do_err($dbtype.' database support not present!');
            }
        }
    } else {
        $db_error='Required PHP PEAR DB support is not available.'
            .' Is PEAR installed and is the include path set correctly to find <tt>DB.php</tt>?'
            .' The include path is now:<tt>' . ini_get('include_path') . '</tt>.';
        do_err($db_error);
    }
} else {
    echo $IND."not using database functionality.<br />\n";
}

// LDAP DB tests
echo "Checking LDAP functions...<br />\n";
if( empty($ldap_server) ) {
    echo $IND."not using LDAP functionality.<br />\n";
} else {
    if ( !function_exists('ldap_connect') ) {
        do_err('Required LDAP support is not available.');
    } else {
        echo "$IND LDAP support present.<br />\n";
        foreach ( $ldap_server as $param ) {

            $linkid = @ldap_connect($param['host'], (empty($param['port']) ? 389 : $param['port']) );

            if ( $linkid ) {
               echo "$IND LDAP connect to ".$param['host']." successful: ".$linkid."<br />\n";

                if ( !empty($param['protocol']) &&
                     !ldap_set_option($linkid, LDAP_OPT_PROTOCOL_VERSION, $param['protocol']) ) {
                    do_err('Unable to set LDAP protocol');
                }

                if ( empty($param['binddn']) ) {
                    $bind = @ldap_bind($linkid);
                } else {
                    $bind = @ldap_bind($param['binddn'], $param['bindpw']);
                }

                if ( $bind ) {
                    echo "$IND LDAP Bind Successful <br />";
                } else {
                    do_err('Unable to Bind to LDAP Server');
                }

                @ldap_close($linkid);
            } else {
                do_err('Connection to LDAP failed');
            }
        }
    }
}

?>

<p>Congratulations, your SquirrelMail setup looks fine to me!</p>

<p><a href="login.php">Login now</a></p>

</body>
</html>
Commit	Line	Data
d1ae9d4c	1	<?php
134e4174	2
30967a1e	3	/**
d1ae9d4c	4	* SquirrelMail configtest script
d1ae9d4c	5	*
4b4abf93	6	* @copyright © 2003-2005 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
5b53b7e0	21	function do_err($str, $exit = TRUE) {
d18703d3	22	global $IND;
d18703d3	23	echo '<p>'.$IND.'<font color="red"><b>ERROR:</b></font> ' .$str. "</p>\n";
5b53b7e0	24	if($exit) {
	25	echo '</body></html>';
	26	exit;
	27	}
	28	}
	29
	30	$IND = str_repeat(' ',4);
	31
	32	ob_implicit_flush();
30967a1e	33	/** @ignore */
5b53b7e0	34	define('SM_PATH', '../');
5b53b7e0	35
d0184454	36	/* set default value in order to block remote access to script */
	37	$allow_remote_configtest=false;
	38
5b53b7e0	39	/*
91e0dccc	40	* Load config before output begins. functions/strings.php depends on
5b53b7e0	41	* functions/globals.php. functions/global.php needs to be run before
91e0dccc	42	* any html output starts. If config.php is missing, error will be displayed
5b53b7e0	43	* later.
	44	*/
	45	if (file_exists(SM_PATH . 'config/config.php')) {
	46	include(SM_PATH . 'config/config.php');
	47	include(SM_PATH . 'functions/strings.php');
	48	}
d1ae9d4c	49	?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
	50	<html>
	51	<head>
f9f738dc	52	<meta name="robots" content="noindex,nofollow">
d1ae9d4c	53	<title>SquirrelMail configtest</title>
	54	</head>
	55	<body>
	56	<h1>SquirrelMail configtest</h1>
	57
	58	<p>This script will try to check some aspects of your SquirrelMail configuration
	59	and point you to errors whereever it can find them. You need to go run <tt>conf.pl</tt>
d18703d3	60	in the <tt>config/</tt> directory first before you run this script.</p>
d1ae9d4c	61
	62	<?php
	63
d1ae9d4c	64	$included = array_map('basename', get_included_files() );
	65	if(!in_array('config.php', $included)) {
	66	if(!file_exists(SM_PATH . 'config/config.php')) {
	67	do_err('Config file '.SM_PATH . 'config/config.php does not exist!<br />'.
	68	'You need to run <tt>conf.pl</tt> first.');
	69	}
	70	do_err('Could not read '.SM_PATH.'config/config.php! Check file permissions.');
	71	}
	72	if(!in_array('strings.php', $included)) {
	73	do_err('Could not include '.SM_PATH.'functions/strings.php!<br />'.
	74	'Check permissions on that file.');
	75	}
	76
d0184454	77	/* Block remote use of script */
	78	if (! $allow_remote_configtest) {
	79	sqGetGlobalVar('REMOTE_ADDR',$client_ip,SQ_SERVER);
	80	if (! isset($client_ip) \|\| $client_ip!='127.0.0.1') {
f8a1ed5a	81	do_err('Enable "Allow remote configtest" option in squirrelmail configuration in order to use this script.');
d0184454	82	}
d0184454	83	}
d1ae9d4c	84	/* checking PHP specs */
d1ae9d4c	85
17fca61d	86	echo "<p><table>\n<tr><td>SquirrelMail version:</td><td><b>" . $version . "</b></td></tr>\n" .
17fca61d	87	'<tr><td>Config file version:</td><td><b>' . $config_version . "</b></td></tr>\n" .
91e0dccc	88	'<tr><td>Config file last modified:</td><td><b>' .
17fca61d	89	date ('d F Y H:i:s', filemtime(SM_PATH . 'config/config.php')) .
17fca61d	90	"</b></td></tr>\n</table>\n</p>\n\n";
d1ae9d4c	91
	92	echo "Checking PHP configuration...<br />\n";
	93
abd74f7d	94	if(!check_php_version(4,1,0)) {
abd74f7d	95	do_err('Insufficient PHP version: '. PHP_VERSION . '! Minimum required: 4.1.0');
d1ae9d4c	96	}
d1ae9d4c	97
17fca61d	98	echo $IND . 'PHP version ' . PHP_VERSION . " OK.<br />\n";
d1ae9d4c	99
	100	$php_exts = array('session','pcre');
	101	$diff = array_diff($php_exts, get_loaded_extensions());
	102	if(count($diff)) {
	103	do_err('Required PHP extensions missing: '.implode(', ',$diff) );
	104	}
	105
17fca61d	106	echo $IND . "PHP extensions OK.<br />\n";
d1ae9d4c	107
8f186a2a	108	/* dangerous php settings */
	109	/**
	110	* mbstring.func_overload allows to replace original string and regexp functions
	111	* with their equivalents from php mbstring extension. It causes problems when
d0184454	112	* scripts analyze 8bit strings byte after byte or use 8bit strings in regexp tests.
9211bcef	113	* Setting can be controlled in php.ini (php 4.2.0), webserver config (php 4.2.0)
8f186a2a	114	* and .htaccess files (php 4.3.5).
	115	*/
	116	if (function_exists('mb_internal_encoding') &&
9211bcef	117	check_php_version(4,2,0) &&
8f186a2a	118	(int)ini_get('mbstring.func_overload')!=0) {
	119	$mb_error='You have enabled mbstring overloading.'
	120	.' It can cause problems with SquirrelMail scripts that rely on single byte string functions.';
	121	do_err($mb_error);
	122	}
d1ae9d4c	123
	124	/* checking paths */
	125
	126	echo "Checking paths...<br />\n";
	127
	128	if(!file_exists($data_dir)) {
d0184454	129	// data_dir is not that important in db_setups.
	130	if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
	131	$data_dir_error = "Data dir ($data_dir) does not exist!\n";
	132	echo $IND .'<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
	133	} else {
	134	do_err("Data dir ($data_dir) does not exist!");
	135	}
91e0dccc	136	}
d0184454	137	// don't check if errors
	138	if(!isset($data_dir_error) && !is_dir($data_dir)) {
	139	if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
	140	$data_dir_error = "Data dir ($data_dir) is not a directory!\n";
	141	echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
	142	} else {
	143	do_err("Data dir ($data_dir) is not a directory!");
	144	}
91e0dccc	145	}
d4eaadbe	146	// datadir should be executable - but no clean way to test on that
d0184454	147	if(!isset($data_dir_error) && !is_writable($data_dir)) {
	148	if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
	149	$data_dir_error = "Data dir ($data_dir) is not writable!\n";
	150	echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
	151	} else {
	152	do_err("Data dir ($data_dir) is not writable!");
	153	}
d1ae9d4c	154	}
d1ae9d4c	155
d0184454	156	if (isset($data_dir_error)) {
	157	echo " Some plugins might need access to data directory.<br />\n";
	158	} else {
	159	// todo_ornot: actually write something and read it back.
	160	echo $IND . "Data dir OK.<br />\n";
	161	}
d1ae9d4c	162
	163	if($data_dir == $attachment_dir) {
	164	echo $IND . "Attachment dir is the same as data dir.<br />\n";
d0184454	165	if (isset($data_dir_error)) {
	166	do_err($data_dir_error);
	167	}
d1ae9d4c	168	} else {
	169	if(!file_exists($attachment_dir)) {
	170	do_err("Attachment dir ($attachment_dir) does not exist!");
91e0dccc	171	}
d1ae9d4c	172	if (!is_dir($attachment_dir)) {
d1ae9d4c	173	do_err("Attachment dir ($attachment_dir) is not a directory!");
91e0dccc	174	}
d1ae9d4c	175	if (!is_writable($attachment_dir)) {
	176	do_err("I cannot write to attachment dir ($attachment_dir)!");
	177	}
	178	echo $IND . "Attachment dir OK.<br />\n";
	179	}
	180
	181
	182	/* check plugins and themes */
5b53b7e0	183	if (isset($plugins[0])) {
	184	foreach($plugins as $plugin) {
	185	if(!file_exists(SM_PATH .'plugins/'.$plugin)) {
	186	do_err('You have enabled the <i>'.$plugin.'</i> plugin but I cannot find it.', FALSE);
	187	} elseif (!is_readable(SM_PATH .'plugins/'.$plugin.'/setup.php')) {
	188	do_err('You have enabled the <i>'.$plugin.'</i> plugin but I cannot read its setup.php file.', FALSE);
	189	}
d1ae9d4c	190	}
5b53b7e0	191	echo $IND . "Plugins OK.<br />\n";
	192	} else {
	193	echo $IND . "Plugins are not enabled in config.<br />\n";
d1ae9d4c	194	}
d1ae9d4c	195	foreach($theme as $thm) {
	196	if(!file_exists($thm['PATH'])) {
	197	do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot find it ('.$thm['PATH'].').', FALSE);
	198	} elseif(!is_readable($thm['PATH'])) {
	199	do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot read it ('.$thm['PATH'].').', FALSE);
	200	}
	201	}
	202
	203	echo $IND . "Themes OK.<br />\n";
	204
07337c9b	205	if ( $squirrelmail_default_language != 'en_US' ) {
	206	$loc_path = SM_PATH .'locale/'.$squirrelmail_default_language.'/LC_MESSAGES/squirrelmail.mo';
	207	if( ! file_exists( $loc_path ) ) {
f8a1ed5a	208	do_err('You have set <i>' . $squirrelmail_default_language .
07337c9b	209	'</i> as your default language, but I cannot find this translation (should be '.
	210	'in <tt>' . $loc_path . '</tt>). Please note that you have to download translations '.
	211	'separately from the main SquirrelMail package.', FALSE);
	212	} elseif ( ! is_readable( $loc_path ) ) {
f8a1ed5a	213	do_err('You have set <i>' . $squirrelmail_default_language .
07337c9b	214	'</i> as your default language, but I cannot read this translation (file '.
	215	'in <tt>' . $loc_path . '</tt> unreadable).', FALSE);
	216	} else {
	217	echo $IND . "Default language OK.<br />\n";
	218	}
	219	} else {
	220	echo $IND . "Default language OK.<br />\n";
	221	}
	222
23649466	223	echo $IND . "Base URL detected as: <tt>" . htmlspecialchars(get_location()) . "</tt><br />\n";
23649466	224
d1ae9d4c	225
	226	/* check outgoing mail */
	227
	228	if($use_smtp_tls \|\| $use_imap_tls) {
	229	if(!check_php_version(4,3,0)) {
	230	do_err('You need at least PHP 4.3.0 for SMTP/IMAP TLS!');
	231	}
	232	if(!extension_loaded('openssl')) {
	233	do_err('You need the openssl PHP extension to use SMTP/IMAP TLS!');
	234	}
	235	}
	236
	237	echo "Checking outgoing mail service....<br />\n";
	238
	239	if($useSendmail) {
	240	// is_executable also checks for existance, but we want to be as precise as possible with the errors
	241	if(!file_exists($sendmail_path)) {
	242	do_err("Location of sendmail program incorrect ($sendmail_path)!");
91e0dccc	243	}
d1ae9d4c	244	if(!is_executable($sendmail_path)) {
	245	do_err("I cannot execute the sendmail program ($sendmail_path)!");
	246	}
	247
	248	echo $IND . "sendmail OK<br />\n";
	249	} else {
	250	$stream = fsockopen( ($use_smtp_tls?'tls://':'').$smtpServerAddress, $smtpPort,
	251	$errorNumber, $errorString);
	252	if(!$stream) {
	253	do_err("Error connecting to SMTP server \"$smtpServerAddress:$smtpPort\".".
9c941728	254	"Server error: ($errorNumber) ".htmlspecialchars($errorString));
d1ae9d4c	255	}
	256
	257	// check for SMTP code; should be 2xx to allow us access
	258	$smtpline = fgets($stream, 1024);
	259	if(((int) $smtpline{0}) > 3) {
9c941728	260	do_err("Error connecting to SMTP server. Server error: ".
134e4174	261	htmlspecialchars($smtpline));
d1ae9d4c	262	}
	263
	264	fputs($stream, 'QUIT');
	265	fclose($stream);
9c941728	266	echo $IND . 'SMTP server OK (<tt><small>'.
9c941728	267	trim(htmlspecialchars($smtpline))."</small></tt>)<br />\n";
d1ae9d4c	268
	269	/* POP before SMTP */
	270	if($pop_before_smtp) {
	271	$stream = fsockopen($smtpServerAddress, 110, $err_no, $err_str);
	272	if (!$stream) {
9c941728	273	do_err("Error connecting to POP Server ($smtpServerAddress:110) "
9c941728	274	. $err_no . ' : ' . htmlspecialchars($err_str));
d1ae9d4c	275	}
	276
	277	$tmp = fgets($stream, 1024);
	278	if (substr($tmp, 0, 3) != '+OK') {
	279	do_err("Error connecting to POP Server ($smtpServerAddress:110)"
9c941728	280	. ' '.htmlspecialchars($tmp));
d1ae9d4c	281	}
	282	fputs($stream, 'QUIT');
	283	fclose($stream);
	284	echo $IND . "POP-before-SMTP OK.<br />\n";
	285	}
	286	}
	287
df758744	288	/**
	289	* Check the IMAP server
	290	*/
d1ae9d4c	291	echo "Checking IMAP service....<br />\n";
d1ae9d4c	292
df758744	293	/** Can we open a connection? */
d1ae9d4c	294	$stream = fsockopen( ($use_imap_tls?'tls://':'').$imapServerAddress, $imapPort,
	295	$errorNumber, $errorString);
	296	if(!$stream) {
70b71161	297	do_err("Error connecting to IMAP server \"$imapServerAddress:$imapPort\".".
9c941728	298	"Server error: ($errorNumber) ".
134e4174	299	htmlspecialchars($errorString));
d1ae9d4c	300	}
d1ae9d4c	301
df758744	302	/** Is the first response 'OK'? */
d1ae9d4c	303	$imapline = fgets($stream, 1024);
d1ae9d4c	304	if(substr($imapline, 0,4) != '* OK') {
9c941728	305	do_err('Error connecting to IMAP server. Server error: '.
9c941728	306	htmlspecialchars($imapline));
d1ae9d4c	307	}
d1ae9d4c	308
df758744	309	echo $IND . 'IMAP server ready (<tt><small>'.
9c941728	310	htmlspecialchars(trim($imapline))."</small></tt>)<br />\n";
d1ae9d4c	311
df758744	312	/** Check capabilities */
	313	fputs($stream, "A001 CAPABILITY\r\n");
	314	$capline = fgets($stream, 1024);
	315
	316	echo $IND . 'Capabilities: <tt>'.htmlspecialchars($capline)."</tt><br />\n";
	317
	318	if($imap_auth_mech == 'login' && stristr($capline, 'LOGINDISABLED') !== FALSE) {
	319	do_err('Your server doesn\'t allow plaintext logins. '.
	320	'Try enabling another authentication mechanism like CRAM-MD5, DIGEST-MD5 or TLS-encryption '.
	321	'in the SquirrelMail configuration.', FALSE);
	322	}
	323	if($use_imap_tls && stristr($capline, 'STARTTLS') === FALSE) {
	324	do_err('You have enabled TLS encryption in the config, but the server does not '.
	325	'report STARTTLS capability. TLS is probably not supported.', FALSE);
	326	}
	327
	328	/** OK, close connection */
	329	fputs($stream, "A002 LOGOUT\r\n");
	330	fclose($stream);
	331
17fca61d	332	echo "Checking internationalization (i18n) settings...<br />\n";
0ed3bdc3	333	echo "$IND gettext - ";
0ed3bdc3	334	if (function_exists('gettext')) {
8f186a2a	335	echo 'Gettext functions are available.'
	336	.' On some systems you must have appropriate system locales compiled.'
	337	."<br />\n";
0ed3bdc3	338	} else {
8f186a2a	339	echo 'Gettext functions are unavailable.'
	340	.' SquirrelMail will use slower internal gettext functions.'
	341	."<br />\n";
0ed3bdc3	342	}
	343	echo "$IND mbstring - ";
	344	if (function_exists('mb_detect_encoding')) {
	345	echo "Mbstring functions are available.<br />\n";
	346	} else {
8f186a2a	347	echo 'Mbstring functions are unavailable.'
8f186a2a	348	." Japanese translation won't work.<br />\n";
0ed3bdc3	349	}
	350	echo "$IND recode - ";
	351	if (function_exists('recode')) {
	352	echo "Recode functions are available.<br />\n";
ba17b6c7	353	} elseif (isset($use_php_recode) && $use_php_recode) {
0ed3bdc3	354	echo "Recode functions are unavailable.<br />\n";
	355	do_err('Your configuration requires recode support, but recode support is missing.');
	356	} else {
	357	echo "Recode functions are unavailable.<br />\n";
	358	}
	359	echo "$IND iconv - ";
	360	if (function_exists('iconv')) {
	361	echo "Iconv functions are available.<br />\n";
ba17b6c7	362	} elseif (isset($use_php_iconv) && $use_php_iconv) {
0ed3bdc3	363	echo "Iconv functions are unavailable.<br />\n";
	364	do_err('Your configuration requires iconv support, but iconv support is missing.');
	365	} else {
	366	echo "Iconv functions are unavailable.<br />\n";
	367	}
	368	// same test as in include/validate.php
	369	echo "$IND timezone - ";
	370	if ( (!ini_get('safe_mode')) \|\|
	371	!strcmp(ini_get('safe_mode_allowed_env_vars'),'') \|\|
	372	preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')) ) {
134e4174	373	echo "Webmail users can change their time zone settings.<br />\n";
0ed3bdc3	374	} else {
4764a7ff	375	echo "Webmail users can't change their time zone settings.<br />\n";
	376	}
	377
d18703d3	378
4764a7ff	379	// Pear DB tests
d18703d3	380	echo "Checking database functions...<br />\n";
d18703d3	381	if($addrbook_dsn \|\| $prefs_dsn \|\| $addrbook_global_dsn) {
134e4174	382	@include_once('DB.php');
	383	if (class_exists('DB')) {
	384	echo "$IND PHP Pear DB support is present.<br />\n";
	385	$db_functions=array(
91e0dccc	386	'dbase' => 'dbase_open',
	387	'fbsql' => 'fbsql_connect',
	388	'interbase' => 'ibase_connect',
134e4174	389	'informix' => 'ifx_connect',
	390	'msql' => 'msql_connect',
	391	'mssql' => 'mssql_connect',
	392	'mysql' => 'mysql_connect',
	393	'mysqli' => 'mysqli_connect',
	394	'oci8' => 'ocilogon',
	395	'odbc' => 'odbc_connect',
7ed4c524	396	'pgsql' => 'pg_connect',
134e4174	397	'sqlite' => 'sqlite_open',
	398	'sybase' => 'sybase_connect'
	399	);
	400
	401	$dsns = array();
	402	if($prefs_dsn) {
	403	$dsns['preferences'] = $prefs_dsn;
	404	}
	405	if($addrbook_dsn) {
	406	$dsns['addressbook'] = $addrbook_dsn;
	407	}
	408	if($addrbook_global_dsn) {
	409	$dsns['global addressbook'] = $addrbook_global_dsn;
	410	}
	411
	412	foreach($dsns as $type => $dsn) {
ba17b6c7	413	$aDsn = explode(':', $dsn);
ba17b6c7	414	$dbtype = array_shift($aDsn);
134e4174	415	if(isset($db_functions[$dbtype]) && function_exists($db_functions[$dbtype])) {
	416	echo "$IND$dbtype database support present.<br />\n";
	417
	418	// now, test this interface:
	419
	420	$dbh = DB::connect($dsn, true);
	421	if (DB::isError($dbh)) {
	422	do_err('Database error: '. htmlspecialchars(DB::errorMessage($dbh)) .
	423	' in ' .$type .' DSN.');
	424	}
	425	$dbh->disconnect();
	426	echo "$IND$type database connect successful.<br />\n";
	427
	428	} else {
ba17b6c7	429	do_err($dbtype.' database support not present!');
d18703d3	430	}
134e4174	431	}
134e4174	432	} else {
8f186a2a	433	$db_error='Required PHP PEAR DB support is not available.'
	434	.' Is PEAR installed and is the include path set correctly to find <tt>DB.php</tt>?'
	435	.' The include path is now:<tt>' . ini_get('include_path') . '</tt>.';
	436	do_err($db_error);
134e4174	437	}
4764a7ff	438	} else {
d18703d3	439	echo $IND."not using database functionality.<br />\n";
0ed3bdc3	440	}
7562c55b	441
	442	// LDAP DB tests
	443	echo "Checking LDAP functions...<br />\n";
	444	if( empty($ldap_server) ) {
134e4174	445	echo $IND."not using LDAP functionality.<br />\n";
7562c55b	446	} else {
d0184454	447	if ( !function_exists('ldap_connect') ) {
7562c55b	448	do_err('Required LDAP support is not available.');
7562c55b	449	} else {
134e4174	450	echo "$IND LDAP support present.<br />\n";
7562c55b	451	foreach ( $ldap_server as $param ) {
7562c55b	452
d0184454	453	$linkid = @ldap_connect($param['host'], (empty($param['port']) ? 389 : $param['port']) );
7562c55b	454
7562c55b	455	if ( $linkid ) {
134e4174	456	echo "$IND LDAP connect to ".$param['host']." successful: ".$linkid."<br />\n";
91e0dccc	457
7562c55b	458	if ( !empty($param['protocol']) &&
	459	!ldap_set_option($linkid, LDAP_OPT_PROTOCOL_VERSION, $param['protocol']) ) {
	460	do_err('Unable to set LDAP protocol');
91e0dccc	461	}
7562c55b	462
7562c55b	463	if ( empty($param['binddn']) ) {
d0184454	464	$bind = @ldap_bind($linkid);
7562c55b	465	} else {
d0184454	466	$bind = @ldap_bind($param['binddn'], $param['bindpw']);
7562c55b	467	}
	468
	469	if ( $bind ) {
	470	echo "$IND LDAP Bind Successful <br />";
	471	} else {
	472	do_err('Unable to Bind to LDAP Server');
	473	}
91e0dccc	474
d0184454	475	@ldap_close($linkid);
7562c55b	476	} else {
	477	do_err('Connection to LDAP failed');
	478	}
	479	}
	480	}
	481	}
a2b193bc	482
d1ae9d4c	483	?>
	484
	485	<p>Congratulations, your SquirrelMail setup looks fine to me!</p>
	486
13721b47	487	<p><a href="login.php">Login now</a></p>
d1ae9d4c	488
d1ae9d4c	489	</body>
f8a1ed5a	490	</html>