[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', '../');

/*
 * 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>
    <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.');
}

/* 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 analyse 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($data_dir)) {
    do_err("Data dir ($data_dir) does not exist!");
}
if(!is_dir($data_dir)) {
    do_err("Data dir ($data_dir) is not a directory!");
}
// datadir should be executable - but no clean way to test on that
if(!is_writable($data_dir)) {
    do_err("I cannot write to data dir ($data_dir)!");
}

// todo_ornot: actually write something and read it back.
echo $IND . "Data dir OK.<br />\n";


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