[squirrelmail.git] / src / configtest.php

<?php

/**
 * SquirrelMail configtest script
 *
 * Copyright (c) 2003-2005 The SquirrelMail Project Team
 * Licensed under the GNU GPL. For full terms see the file COPYING.
 *
 * @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);
}

/**
 * We code with register_globals = off. SquirrelMail should work in such setup
 * since 1.2.9 and 1.3.0. Running SquirrelMail with register_globals = on can
 * cause variable corruption and security issues. Globals can be turned off in
 * php.ini, webserver config and .htaccess files. Scripts can turn off globals only
 * in php 4.2.3 or older.
 */
if ((bool) ini_get('register_globals')) {
    $rg_error='You have enabled php register_globals.'
        .' Running PHP installation with register_globals=on can cause problems.'
        .' See <a href="http://www.php.net/manual/en/security.registerglobals.php">'
        .'security information about register_globals</a>.';
    do_err($rg_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	*
6c84ba1e	6	* Copyright (c) 2003-2005 The SquirrelMail Project Team
d1ae9d4c	7	* Licensed under the GNU GPL. For full terms see the file COPYING.
d1ae9d4c	8	*
30967a1e	9	* @version $Id$
	10	* @package squirrelmail
	11	* @subpackage config
d1ae9d4c	12	*/
	13
	14	/************************************************************
	15	* NOTE: you do not need to change this script! *
	16	* If it throws errors you need to adjust your config. *
	17	************************************************************/
	18
df758744	19	// This script could really use some restructuring as it has grown quite rapidly
	20	// but is not very 'clean'. Feel free to get some structure into this thing.
	21
5b53b7e0	22	function do_err($str, $exit = TRUE) {
d18703d3	23	global $IND;
d18703d3	24	echo '<p>'.$IND.'<font color="red"><b>ERROR:</b></font> ' .$str. "</p>\n";
5b53b7e0	25	if($exit) {
	26	echo '</body></html>';
	27	exit;
	28	}
	29	}
	30
	31	$IND = str_repeat(' ',4);
	32
	33	ob_implicit_flush();
30967a1e	34	/** @ignore */
5b53b7e0	35	define('SM_PATH', '../');
5b53b7e0	36
d0184454	37	/* set default value in order to block remote access to script */
	38	$allow_remote_configtest=false;
	39
5b53b7e0	40	/*
91e0dccc	41	* Load config before output begins. functions/strings.php depends on
5b53b7e0	42	* functions/globals.php. functions/global.php needs to be run before
91e0dccc	43	* any html output starts. If config.php is missing, error will be displayed
5b53b7e0	44	* later.
	45	*/
	46	if (file_exists(SM_PATH . 'config/config.php')) {
	47	include(SM_PATH . 'config/config.php');
	48	include(SM_PATH . 'functions/strings.php');
	49	}
d1ae9d4c	50	?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
	51	<html>
	52	<head>
f9f738dc	53	<meta name="robots" content="noindex,nofollow">
d1ae9d4c	54	<title>SquirrelMail configtest</title>
	55	</head>
	56	<body>
	57	<h1>SquirrelMail configtest</h1>
	58
	59	<p>This script will try to check some aspects of your SquirrelMail configuration
	60	and point you to errors whereever it can find them. You need to go run <tt>conf.pl</tt>
d18703d3	61	in the <tt>config/</tt> directory first before you run this script.</p>
d1ae9d4c	62
	63	<?php
	64
d1ae9d4c	65	$included = array_map('basename', get_included_files() );
	66	if(!in_array('config.php', $included)) {
	67	if(!file_exists(SM_PATH . 'config/config.php')) {
	68	do_err('Config file '.SM_PATH . 'config/config.php does not exist!<br />'.
	69	'You need to run <tt>conf.pl</tt> first.');
	70	}
	71	do_err('Could not read '.SM_PATH.'config/config.php! Check file permissions.');
	72	}
	73	if(!in_array('strings.php', $included)) {
	74	do_err('Could not include '.SM_PATH.'functions/strings.php!<br />'.
	75	'Check permissions on that file.');
	76	}
	77
d0184454	78	/* Block remote use of script */
	79	if (! $allow_remote_configtest) {
	80	sqGetGlobalVar('REMOTE_ADDR',$client_ip,SQ_SERVER);
	81	if (! isset($client_ip) \|\| $client_ip!='127.0.0.1') {
f8a1ed5a	82	do_err('Enable "Allow remote configtest" option in squirrelmail configuration in order to use this script.');
d0184454	83	}
d0184454	84	}
d1ae9d4c	85	/* checking PHP specs */
d1ae9d4c	86
17fca61d	87	echo "<p><table>\n<tr><td>SquirrelMail version:</td><td><b>" . $version . "</b></td></tr>\n" .
17fca61d	88	'<tr><td>Config file version:</td><td><b>' . $config_version . "</b></td></tr>\n" .
91e0dccc	89	'<tr><td>Config file last modified:</td><td><b>' .
17fca61d	90	date ('d F Y H:i:s', filemtime(SM_PATH . 'config/config.php')) .
17fca61d	91	"</b></td></tr>\n</table>\n</p>\n\n";
d1ae9d4c	92
	93	echo "Checking PHP configuration...<br />\n";
	94
abd74f7d	95	if(!check_php_version(4,1,0)) {
abd74f7d	96	do_err('Insufficient PHP version: '. PHP_VERSION . '! Minimum required: 4.1.0');
d1ae9d4c	97	}
d1ae9d4c	98
17fca61d	99	echo $IND . 'PHP version ' . PHP_VERSION . " OK.<br />\n";
d1ae9d4c	100
	101	$php_exts = array('session','pcre');
	102	$diff = array_diff($php_exts, get_loaded_extensions());
	103	if(count($diff)) {
	104	do_err('Required PHP extensions missing: '.implode(', ',$diff) );
	105	}
	106
17fca61d	107	echo $IND . "PHP extensions OK.<br />\n";
d1ae9d4c	108
8f186a2a	109	/* dangerous php settings */
	110	/**
	111	* mbstring.func_overload allows to replace original string and regexp functions
	112	* with their equivalents from php mbstring extension. It causes problems when
d0184454	113	* scripts analyze 8bit strings byte after byte or use 8bit strings in regexp tests.
9211bcef	114	* Setting can be controlled in php.ini (php 4.2.0), webserver config (php 4.2.0)
8f186a2a	115	* and .htaccess files (php 4.3.5).
	116	*/
	117	if (function_exists('mb_internal_encoding') &&
9211bcef	118	check_php_version(4,2,0) &&
8f186a2a	119	(int)ini_get('mbstring.func_overload')!=0) {
	120	$mb_error='You have enabled mbstring overloading.'
	121	.' It can cause problems with SquirrelMail scripts that rely on single byte string functions.';
	122	do_err($mb_error);
	123	}
d1ae9d4c	124
5096de48	125	/**
	126	* We code with register_globals = off. SquirrelMail should work in such setup
	127	* since 1.2.9 and 1.3.0. Running SquirrelMail with register_globals = on can
	128	* cause variable corruption and security issues. Globals can be turned off in
	129	* php.ini, webserver config and .htaccess files. Scripts can turn off globals only
	130	* in php 4.2.3 or older.
	131	*/
	132	if ((bool) ini_get('register_globals')) {
	133	$rg_error='You have enabled php register_globals.'
	134	.' Running PHP installation with register_globals=on can cause problems.'
	135	.' See <a href="http://www.php.net/manual/en/security.registerglobals.php">'
	136	.'security information about register_globals</a>.';
	137	do_err($rg_error);
	138	}
	139
d1ae9d4c	140	/* checking paths */
	141
	142	echo "Checking paths...<br />\n";
	143
	144	if(!file_exists($data_dir)) {
d0184454	145	// data_dir is not that important in db_setups.
	146	if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
	147	$data_dir_error = "Data dir ($data_dir) does not exist!\n";
	148	echo $IND .'<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
	149	} else {
	150	do_err("Data dir ($data_dir) does not exist!");
	151	}
91e0dccc	152	}
d0184454	153	// don't check if errors
	154	if(!isset($data_dir_error) && !is_dir($data_dir)) {
	155	if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
	156	$data_dir_error = "Data dir ($data_dir) is not a directory!\n";
	157	echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
	158	} else {
	159	do_err("Data dir ($data_dir) is not a directory!");
	160	}
91e0dccc	161	}
d4eaadbe	162	// datadir should be executable - but no clean way to test on that
d0184454	163	if(!isset($data_dir_error) && !is_writable($data_dir)) {
	164	if (isset($prefs_dsn) && ! empty($prefs_dsn)) {
	165	$data_dir_error = "Data dir ($data_dir) is not writable!\n";
	166	echo $IND . '<font color="red"><b>ERROR:</b></font> ' . $data_dir_error;
	167	} else {
	168	do_err("Data dir ($data_dir) is not writable!");
	169	}
d1ae9d4c	170	}
d1ae9d4c	171
d0184454	172	if (isset($data_dir_error)) {
	173	echo " Some plugins might need access to data directory.<br />\n";
	174	} else {
	175	// todo_ornot: actually write something and read it back.
	176	echo $IND . "Data dir OK.<br />\n";
	177	}
d1ae9d4c	178
	179	if($data_dir == $attachment_dir) {
	180	echo $IND . "Attachment dir is the same as data dir.<br />\n";
d0184454	181	if (isset($data_dir_error)) {
	182	do_err($data_dir_error);
	183	}
d1ae9d4c	184	} else {
	185	if(!file_exists($attachment_dir)) {
	186	do_err("Attachment dir ($attachment_dir) does not exist!");
91e0dccc	187	}
d1ae9d4c	188	if (!is_dir($attachment_dir)) {
d1ae9d4c	189	do_err("Attachment dir ($attachment_dir) is not a directory!");
91e0dccc	190	}
d1ae9d4c	191	if (!is_writable($attachment_dir)) {
	192	do_err("I cannot write to attachment dir ($attachment_dir)!");
	193	}
	194	echo $IND . "Attachment dir OK.<br />\n";
	195	}
	196
	197
	198	/* check plugins and themes */
5b53b7e0	199	if (isset($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	}
d1ae9d4c	206	}
5b53b7e0	207	echo $IND . "Plugins OK.<br />\n";
	208	} else {
	209	echo $IND . "Plugins are not enabled in config.<br />\n";
d1ae9d4c	210	}
d1ae9d4c	211	foreach($theme as $thm) {
	212	if(!file_exists($thm['PATH'])) {
	213	do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot find it ('.$thm['PATH'].').', FALSE);
	214	} elseif(!is_readable($thm['PATH'])) {
	215	do_err('You have enabled the <i>'.$thm['NAME'].'</i> theme but I cannot read it ('.$thm['PATH'].').', FALSE);
	216	}
	217	}
	218
	219	echo $IND . "Themes OK.<br />\n";
	220
07337c9b	221	if ( $squirrelmail_default_language != 'en_US' ) {
	222	$loc_path = SM_PATH .'locale/'.$squirrelmail_default_language.'/LC_MESSAGES/squirrelmail.mo';
	223	if( ! file_exists( $loc_path ) ) {
f8a1ed5a	224	do_err('You have set <i>' . $squirrelmail_default_language .
07337c9b	225	'</i> as your default language, but I cannot find this translation (should be '.
	226	'in <tt>' . $loc_path . '</tt>). Please note that you have to download translations '.
	227	'separately from the main SquirrelMail package.', FALSE);
	228	} elseif ( ! is_readable( $loc_path ) ) {
f8a1ed5a	229	do_err('You have set <i>' . $squirrelmail_default_language .
07337c9b	230	'</i> as your default language, but I cannot read this translation (file '.
	231	'in <tt>' . $loc_path . '</tt> unreadable).', FALSE);
	232	} else {
	233	echo $IND . "Default language OK.<br />\n";
	234	}
	235	} else {
	236	echo $IND . "Default language OK.<br />\n";
	237	}
	238
23649466	239	echo $IND . "Base URL detected as: <tt>" . htmlspecialchars(get_location()) . "</tt><br />\n";
23649466	240
d1ae9d4c	241
	242	/* check outgoing mail */
	243
	244	if($use_smtp_tls \|\| $use_imap_tls) {
	245	if(!check_php_version(4,3,0)) {
	246	do_err('You need at least PHP 4.3.0 for SMTP/IMAP TLS!');
	247	}
	248	if(!extension_loaded('openssl')) {
	249	do_err('You need the openssl PHP extension to use SMTP/IMAP TLS!');
	250	}
	251	}
	252
	253	echo "Checking outgoing mail service....<br />\n";
	254
	255	if($useSendmail) {
	256	// is_executable also checks for existance, but we want to be as precise as possible with the errors
	257	if(!file_exists($sendmail_path)) {
	258	do_err("Location of sendmail program incorrect ($sendmail_path)!");
91e0dccc	259	}
d1ae9d4c	260	if(!is_executable($sendmail_path)) {
	261	do_err("I cannot execute the sendmail program ($sendmail_path)!");
	262	}
	263
	264	echo $IND . "sendmail OK<br />\n";
	265	} else {
	266	$stream = fsockopen( ($use_smtp_tls?'tls://':'').$smtpServerAddress, $smtpPort,
	267	$errorNumber, $errorString);
	268	if(!$stream) {
	269	do_err("Error connecting to SMTP server \"$smtpServerAddress:$smtpPort\".".
9c941728	270	"Server error: ($errorNumber) ".htmlspecialchars($errorString));
d1ae9d4c	271	}
	272
	273	// check for SMTP code; should be 2xx to allow us access
	274	$smtpline = fgets($stream, 1024);
	275	if(((int) $smtpline{0}) > 3) {
9c941728	276	do_err("Error connecting to SMTP server. Server error: ".
134e4174	277	htmlspecialchars($smtpline));
d1ae9d4c	278	}
	279
	280	fputs($stream, 'QUIT');
	281	fclose($stream);
9c941728	282	echo $IND . 'SMTP server OK (<tt><small>'.
9c941728	283	trim(htmlspecialchars($smtpline))."</small></tt>)<br />\n";
d1ae9d4c	284
	285	/* POP before SMTP */
	286	if($pop_before_smtp) {
	287	$stream = fsockopen($smtpServerAddress, 110, $err_no, $err_str);
	288	if (!$stream) {
9c941728	289	do_err("Error connecting to POP Server ($smtpServerAddress:110) "
9c941728	290	. $err_no . ' : ' . htmlspecialchars($err_str));
d1ae9d4c	291	}
	292
	293	$tmp = fgets($stream, 1024);
	294	if (substr($tmp, 0, 3) != '+OK') {
	295	do_err("Error connecting to POP Server ($smtpServerAddress:110)"
9c941728	296	. ' '.htmlspecialchars($tmp));
d1ae9d4c	297	}
	298	fputs($stream, 'QUIT');
	299	fclose($stream);
	300	echo $IND . "POP-before-SMTP OK.<br />\n";
	301	}
	302	}
	303
df758744	304	/**
	305	* Check the IMAP server
	306	*/
d1ae9d4c	307	echo "Checking IMAP service....<br />\n";
d1ae9d4c	308
df758744	309	/** Can we open a connection? */
d1ae9d4c	310	$stream = fsockopen( ($use_imap_tls?'tls://':'').$imapServerAddress, $imapPort,
	311	$errorNumber, $errorString);
	312	if(!$stream) {
70b71161	313	do_err("Error connecting to IMAP server \"$imapServerAddress:$imapPort\".".
9c941728	314	"Server error: ($errorNumber) ".
134e4174	315	htmlspecialchars($errorString));
d1ae9d4c	316	}
d1ae9d4c	317
df758744	318	/** Is the first response 'OK'? */
d1ae9d4c	319	$imapline = fgets($stream, 1024);
d1ae9d4c	320	if(substr($imapline, 0,4) != '* OK') {
9c941728	321	do_err('Error connecting to IMAP server. Server error: '.
9c941728	322	htmlspecialchars($imapline));
d1ae9d4c	323	}
d1ae9d4c	324
df758744	325	echo $IND . 'IMAP server ready (<tt><small>'.
9c941728	326	htmlspecialchars(trim($imapline))."</small></tt>)<br />\n";
d1ae9d4c	327
df758744	328	/** Check capabilities */
	329	fputs($stream, "A001 CAPABILITY\r\n");
	330	$capline = fgets($stream, 1024);
	331
	332	echo $IND . 'Capabilities: <tt>'.htmlspecialchars($capline)."</tt><br />\n";
	333
	334	if($imap_auth_mech == 'login' && stristr($capline, 'LOGINDISABLED') !== FALSE) {
	335	do_err('Your server doesn\'t allow plaintext logins. '.
	336	'Try enabling another authentication mechanism like CRAM-MD5, DIGEST-MD5 or TLS-encryption '.
	337	'in the SquirrelMail configuration.', FALSE);
	338	}
	339	if($use_imap_tls && stristr($capline, 'STARTTLS') === FALSE) {
	340	do_err('You have enabled TLS encryption in the config, but the server does not '.
	341	'report STARTTLS capability. TLS is probably not supported.', FALSE);
	342	}
	343
	344	/** OK, close connection */
	345	fputs($stream, "A002 LOGOUT\r\n");
	346	fclose($stream);
	347
17fca61d	348	echo "Checking internationalization (i18n) settings...<br />\n";
0ed3bdc3	349	echo "$IND gettext - ";
0ed3bdc3	350	if (function_exists('gettext')) {
8f186a2a	351	echo 'Gettext functions are available.'
	352	.' On some systems you must have appropriate system locales compiled.'
	353	."<br />\n";
0ed3bdc3	354	} else {
8f186a2a	355	echo 'Gettext functions are unavailable.'
	356	.' SquirrelMail will use slower internal gettext functions.'
	357	."<br />\n";
0ed3bdc3	358	}
	359	echo "$IND mbstring - ";
	360	if (function_exists('mb_detect_encoding')) {
	361	echo "Mbstring functions are available.<br />\n";
	362	} else {
8f186a2a	363	echo 'Mbstring functions are unavailable.'
8f186a2a	364	." Japanese translation won't work.<br />\n";
0ed3bdc3	365	}
	366	echo "$IND recode - ";
	367	if (function_exists('recode')) {
	368	echo "Recode functions are available.<br />\n";
ba17b6c7	369	} elseif (isset($use_php_recode) && $use_php_recode) {
0ed3bdc3	370	echo "Recode functions are unavailable.<br />\n";
	371	do_err('Your configuration requires recode support, but recode support is missing.');
	372	} else {
	373	echo "Recode functions are unavailable.<br />\n";
	374	}
	375	echo "$IND iconv - ";
	376	if (function_exists('iconv')) {
	377	echo "Iconv functions are available.<br />\n";
ba17b6c7	378	} elseif (isset($use_php_iconv) && $use_php_iconv) {
0ed3bdc3	379	echo "Iconv functions are unavailable.<br />\n";
	380	do_err('Your configuration requires iconv support, but iconv support is missing.');
	381	} else {
	382	echo "Iconv functions are unavailable.<br />\n";
	383	}
	384	// same test as in include/validate.php
	385	echo "$IND timezone - ";
	386	if ( (!ini_get('safe_mode')) \|\|
	387	!strcmp(ini_get('safe_mode_allowed_env_vars'),'') \|\|
	388	preg_match('/^([\w_]+,)*TZ/', ini_get('safe_mode_allowed_env_vars')) ) {
134e4174	389	echo "Webmail users can change their time zone settings.<br />\n";
0ed3bdc3	390	} else {
4764a7ff	391	echo "Webmail users can't change their time zone settings.<br />\n";
	392	}
	393
d18703d3	394
4764a7ff	395	// Pear DB tests
d18703d3	396	echo "Checking database functions...<br />\n";
d18703d3	397	if($addrbook_dsn \|\| $prefs_dsn \|\| $addrbook_global_dsn) {
134e4174	398	@include_once('DB.php');
	399	if (class_exists('DB')) {
	400	echo "$IND PHP Pear DB support is present.<br />\n";
	401	$db_functions=array(
91e0dccc	402	'dbase' => 'dbase_open',
	403	'fbsql' => 'fbsql_connect',
	404	'interbase' => 'ibase_connect',
134e4174	405	'informix' => 'ifx_connect',
	406	'msql' => 'msql_connect',
	407	'mssql' => 'mssql_connect',
	408	'mysql' => 'mysql_connect',
	409	'mysqli' => 'mysqli_connect',
	410	'oci8' => 'ocilogon',
	411	'odbc' => 'odbc_connect',
7ed4c524	412	'pgsql' => 'pg_connect',
134e4174	413	'sqlite' => 'sqlite_open',
	414	'sybase' => 'sybase_connect'
	415	);
	416
	417	$dsns = array();
	418	if($prefs_dsn) {
	419	$dsns['preferences'] = $prefs_dsn;
	420	}
	421	if($addrbook_dsn) {
	422	$dsns['addressbook'] = $addrbook_dsn;
	423	}
	424	if($addrbook_global_dsn) {
	425	$dsns['global addressbook'] = $addrbook_global_dsn;
	426	}
	427
	428	foreach($dsns as $type => $dsn) {
ba17b6c7	429	$aDsn = explode(':', $dsn);
ba17b6c7	430	$dbtype = array_shift($aDsn);
134e4174	431	if(isset($db_functions[$dbtype]) && function_exists($db_functions[$dbtype])) {
	432	echo "$IND$dbtype database support present.<br />\n";
	433
	434	// now, test this interface:
	435
	436	$dbh = DB::connect($dsn, true);
	437	if (DB::isError($dbh)) {
	438	do_err('Database error: '. htmlspecialchars(DB::errorMessage($dbh)) .
	439	' in ' .$type .' DSN.');
	440	}
	441	$dbh->disconnect();
	442	echo "$IND$type database connect successful.<br />\n";
	443
	444	} else {
ba17b6c7	445	do_err($dbtype.' database support not present!');
d18703d3	446	}
134e4174	447	}
134e4174	448	} else {
8f186a2a	449	$db_error='Required PHP PEAR DB support is not available.'
	450	.' Is PEAR installed and is the include path set correctly to find <tt>DB.php</tt>?'
	451	.' The include path is now:<tt>' . ini_get('include_path') . '</tt>.';
	452	do_err($db_error);
134e4174	453	}
4764a7ff	454	} else {
d18703d3	455	echo $IND."not using database functionality.<br />\n";
0ed3bdc3	456	}
7562c55b	457
	458	// LDAP DB tests
	459	echo "Checking LDAP functions...<br />\n";
	460	if( empty($ldap_server) ) {
134e4174	461	echo $IND."not using LDAP functionality.<br />\n";
7562c55b	462	} else {
d0184454	463	if ( !function_exists('ldap_connect') ) {
7562c55b	464	do_err('Required LDAP support is not available.');
7562c55b	465	} else {
134e4174	466	echo "$IND LDAP support present.<br />\n";
7562c55b	467	foreach ( $ldap_server as $param ) {
7562c55b	468
d0184454	469	$linkid = @ldap_connect($param['host'], (empty($param['port']) ? 389 : $param['port']) );
7562c55b	470
7562c55b	471	if ( $linkid ) {
134e4174	472	echo "$IND LDAP connect to ".$param['host']." successful: ".$linkid."<br />\n";
91e0dccc	473
7562c55b	474	if ( !empty($param['protocol']) &&
	475	!ldap_set_option($linkid, LDAP_OPT_PROTOCOL_VERSION, $param['protocol']) ) {
	476	do_err('Unable to set LDAP protocol');
91e0dccc	477	}
7562c55b	478
7562c55b	479	if ( empty($param['binddn']) ) {
d0184454	480	$bind = @ldap_bind($linkid);
7562c55b	481	} else {
d0184454	482	$bind = @ldap_bind($param['binddn'], $param['bindpw']);
7562c55b	483	}
	484
	485	if ( $bind ) {
	486	echo "$IND LDAP Bind Successful <br />";
	487	} else {
	488	do_err('Unable to Bind to LDAP Server');
	489	}
91e0dccc	490
d0184454	491	@ldap_close($linkid);
7562c55b	492	} else {
	493	do_err('Connection to LDAP failed');
	494	}
	495	}
	496	}
	497	}
a2b193bc	498
d1ae9d4c	499	?>
	500
	501	<p>Congratulations, your SquirrelMail setup looks fine to me!</p>
	502
13721b47	503	<p><a href="login.php">Login now</a></p>
d1ae9d4c	504
d1ae9d4c	505	</body>
f8a1ed5a	506	</html>