egroupware_official/setup/check_install.php
Ralf Becker 3f0246fe36 added a first version of a pre-installation check:
- php.ini values
- php extensions
- filesystem permissions
2003-10-13 16:51:29 +00:00

350 lines
11 KiB
PHP

<?php
/**************************************************************************\
* phpGroupWare - Setup Check Installation *
* http://www.eGroupWare.org *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
$run_by_webserver = !!$_SERVER['PHP_SELF'];
if ($run_by_webserver)
{
$phpgw_info = array();
$GLOBALS['phpgw_info']['flags'] = array(
'noheader' => True,
'nonavbar' => True,
'currentapp' => 'home',
'noapi' => True
);
include ('./inc/functions.inc.php');
$GLOBALS['phpgw_info']['setup']['stage']['header'] = $GLOBALS['phpgw_setup']->detection->check_header();
if ($GLOBALS['phpgw_info']['setup']['stage']['header'] == '10')
{
// Check header and authentication
if (!$GLOBALS['phpgw_setup']->auth('Config'))
{
Header('Location: index.php');
exit;
}
}
}
$checks = array(
'safe_mode' => array(
'func' => 'php_ini_check',
'value' => 0,
'verbose_value' => 'Off',
'warning' => 'safe_mode is turned on, which is generaly a good thing as it makes your install more secure.
If safe_mode is turned on, eGW is not able to change certain settings on runtime, nor can we load any not yet loaded module.
*** You have to do the changes manualy in your php.ini (usualy in /etc on linux) in order to get eGW fully working !!!
*** Do NOT update your database via setup, as the update might be interrupted by the max_execution_time, which leaves your DB in an unrecoverable state (your data is lost) !!!'
),
'error_reporting' => array(
'func' => 'php_ini_check',
'value' => E_NOTICE,
'verbose_value' => 'E_NOTICE',
'check' => 'not set',
'safe_mode' => 'error_reporting = E_ALL & ~E_NOTICE'
),
'magic_quotes_runtime' => array(
'func' => 'php_ini_check',
'value' => 0,
'verbose_value' => 'Off',
'safe_mode' => 'magic_qoutes_runtime = Off'
),
'register_globals' => array(
'func' => 'php_ini_check',
'value' => 0,
'verbose_value' => 'Off',
'warning' => "register_globals is turned on, eGroupWare does NOT require it and it's generaly more secure to have it turned Off"
),
'memory_limit' => array(
'func' => 'php_ini_check',
'value' => '16M',
'check' => '>=',
'warning' => 'memory_limit is set to less then 16M: some applications of eGroupWare need more then the recommend 8M, expect ocasional failures',
'safe_mode' => 'memory_limit = 16M'
),
'max_execution_time' => array(
'func' => 'php_ini_check',
'value' => 30,
'check' => '>=',
'warning' => 'max_execution_time is set to less then 30 (seconds): eGroupWare sometimes need a higher execution_time, expect ocasional failures',
'safe_mode' => 'max_execution_time = 30'
),
'mysql' => array(
'func' => 'extension_check',
'warning' => 'The mysql extension is needed, if you plan to use a MySQL database.'
),
'pgsql' => array(
'func' => 'extension_check',
'warning' => 'The pgsql extension is needed, if you plan to use a pgSQL database.'
),
'mssql' => array(
'func' => 'extension_check',
'warning' => 'The mssql extension is needed, if you plan to use a MsSQL database.',
'win_only' => True
),
'mbstring' => array(
'func' => 'extension_check',
'warning' => 'The mbstring extension is needed to fully support unicode (utf-8) or other multibyte-charsets.'
),
'.' => array(
'func' => 'permission_check',
'is_world_writable' => False,
'recursiv' => True
),
'header.inc.php' => array(
'func' => 'permission_check',
'is_world_readable' => False,
'only_if_exists' => $GLOBALS['phpgw_info']['setup']['stage']['header'] != 10
),
'phpgwapi/images' => array(
'func' => 'permission_check',
'is_writable' => True
),
);
// some constanst for pre php4.3
if (!defined('PHP_SHLIB_SUFFIX'))
{
define('PHP_SHLIB_SUFFIX',strtoupper(substr(PHP_OS, 0,3)) == 'WIN' ? 'dll' : 'so');
}
if (!defined('PHP_SHLIB_PREFIX'))
{
define('PHP_SHLIB_PREFIX',PHP_SHLIB_SUFFIX == 'dll' ? 'php_' : '');
}
function extension_check($name,$args)
{
$is_win = strtoupper(substr(PHP_OS,0,3)) == 'WIN';
if (isset($args['win_only']) && $args['win_only'] && !$is_win)
{
return True; // check only under windows
}
$availible = extension_loaded($name) || dl(PHP_SHLIB_PREFIX.$name.'.'.PHP_SHLIB_SUFFIX);
echo "Checking extension $name is loaded or loadable: ".($availible ? 'True' : 'False')."\n";
if (!$availible)
{
echo $args['warning']."\n";
}
return $availible;
}
function verbosePerms( $in_Perms )
{
$sP;
if($in_Perms & 0x1000) // FIFO pipe
$sP = 'p';
elseif($in_Perms & 0x2000) // Character special
$sP = 'c';
elseif($in_Perms & 0x4000) // Directory
$sP = 'd';
elseif($in_Perms & 0x6000) // Block special
$sP = 'b';
elseif($in_Perms & 0x8000) // Regular
$sP = '-';
elseif($in_Perms & 0xA000) // Symbolic Link
$sP = 'l';
elseif($in_Perms & 0xC000) // Socket
$sP = 's';
else // UNKNOWN
$sP = 'u';
// owner
$sP .= (($in_Perms & 0x0100) ? 'r' : '-') .
(($in_Perms & 0x0080) ? 'w' : '-') .
(($in_Perms & 0x0040) ? (($in_Perms & 0x0800) ? 's' : 'x' ) :
(($in_Perms & 0x0800) ? 'S' : '-'));
// group
$sP .= (($in_Perms & 0x0020) ? 'r' : '-') .
(($in_Perms & 0x0010) ? 'w' : '-') .
(($in_Perms & 0x0008) ? (($in_Perms & 0x0400) ? 's' : 'x' ) :
(($in_Perms & 0x0400) ? 'S' : '-'));
// world
$sP .= (($in_Perms & 0x0004) ? 'r' : '-') .
(($in_Perms & 0x0002) ? 'w' : '-') .
(($in_Perms & 0x0001) ? (($in_Perms & 0x0200) ? 't' : 'x' ) :
(($in_Perms & 0x0200) ? 'T' : '-'));
return $sP;
}
function permission_check($name,$args,$verbose=True)
{
//echo "<p>permision_check('$name',".print_r($args,True).",'$verbose')</p>\n";
if (substr($name,0,3) != '../')
{
$name = '../'.$name;
}
$rel_name = substr($name,3);
// dont know how much of this is working on windows
if (!file_exists($name) && isset($args['only_if_exists']) && $args['only_if_exists'])
{
return True;
}
if ($verbose)
{
$owner = posix_getpwuid(fileowner($name));
$group = posix_getgrgid(filegroup($name));
$checks = array();
if (isset($args['is_writable'])) $checks[] = (!$args['is_writable']?'not ':'').'writable by webserver';
if (isset($args['is_world_readable'])) $checks[] = (!$args['is_world_readable']?'not ':'').'world readable';
if (isset($args['is_world_writable'])) $checks[] = (!$args['is_world_writable']?'not ':'').'world writable';
$checks = implode(', ',$checks);
echo "Checking file-permissions of $rel_name for $checks: $owner[name]/$group[name] ".verbosePerms(fileperms($name))."\n";
}
if (!file_exists($name))
{
echo "*** $rel_name does not exist !!!\n";
return False;
}
if (!$GLOBALS['run_by_webserver'] && ($args['is_readable'] || $args['is_writable']))
{
echo "*** check can only be performed, if called via a webserver, as the user-id/-name of the webserver is not known.\n";
unset($args['is_readable']);
unset($args['is_writable']);
}
$Ok = True;
if (isset($args['is_writable']) && is_writable($name) != $args['is_writable'])
{
echo "*** $rel_name ".($args['is_writable']?'not ':'')."writable by the webserver !!!\n";
$Ok = False;
}
if (isset($args['is_readable']) && is_readable($name) != $args['is_readable'])
{
echo "*** $rel_name ".($args['is_readable']?'not ':'')."readable by the webserver !!!\n";
$Ok = False;
}
if (isset($args['is_world_readable']) && !(fileperms($name) & 04) == $args['is_world_readable'])
{
echo "*** $rel_name ".($args['is_world_readable']?'not ':'')."world-readable !!!\n";
$Ok = False;
}
if (isset($args['is_world_writable']) && !(fileperms($name) & 02) == $args['is_world_writable'])
{
echo "*** $rel_name ".($args['is_world_writable']?'not ':'')."world-writable !!!\n";
$Ok = False;
}
if ($Ok && $args['recursiv'] && is_dir($name))
{
$handle = @opendir($name);
while($handle && ($file = readdir($handle)))
{
if ($file != '.' && $file != '..')
{
$Ok = $Ok && permission_check(($name!='.'?$name.'/':'').$file,$args,False);
}
}
if ($handle) closedir($handle);
}
return $Ok;
}
function php_ini_check($name,$args)
{
$safe_mode = ini_get('safe_mode');
$ini_value = ini_get($name);
$check = isset($args['check']) ? $args['check'] : '=';
$verbose_value = isset($args['verbose_value']) ? $args['verbose_value'] : $args['value'];
echo "Checking php.ini: $name $check $verbose_value: ini_get('$name')='$ini_value'\n";
switch ($check)
{
case 'not set':
$result = !($ini_value & $args['value']);
break;
case 'set':
$result = !!($ini_value & $args['value']);
break;
case '>=':
$result = intval($ini_value) >= intval($args['value']) &&
($args['value'] == intval($args['value']) ||
substr($args['value'],-1) == substr($ini_value,-1));
break;
case '=':
default:
$result = $ini_value == $args['value'];
break;
}
if (!$result)
{
if (isset($args['warning']))
{
echo $args['warning']."\n";
}
if (isset($args['safe_mode']) && $safe_mode)
{
echo "*** Please make the following change in your php.ini:\n$args[safe_mode]\n";
}
return False;
}
return True;
}
if ($run_by_webserver)
{
//echo "<html>\n<header>\n<title>Checking the eGroupWare install</title>\n</header>\n<body>\n";
$tpl_root = $GLOBALS['phpgw_setup']->html->setup_tpl_dir('setup');
$setup_tpl = CreateObject('setup.Template',$tpl_root);
$setup_tpl->set_file(array(
'T_head' => 'head.tpl',
'T_footer' => 'footer.tpl',
));
$ConfigDomain = get_var('ConfigDomain',Array('POST','COOKIE'));
$GLOBALS['phpgw_setup']->html->show_header(lang('Checking the eGroupWare Installation'),False,'config',$ConfigDomain . '(' . $phpgw_domain[$ConfigDomain]['db_type'] . ')');
echo '<h1>'.lang('Checking the eGroupWare Installation')."</h1>\n";
echo "<pre style=\"text-align: left;\">\n";;
}
else
{
echo "Checking the eGroupWare Installation\n\n";
}
$Ok = True;
foreach ($checks as $name => $args)
{
$check_ok = $args['func']($name,$args);
$Ok = $Ok && $check_ok;
}
if ($run_by_webserver)
{
echo "</pre>\n";;
if ($GLOBALS['phpgw_info']['setup']['stage']['header'] != 10)
{
if (!$Ok)
{
echo '<h3>'.lang('Please fix the above errors (***) and %1continue to the Header Admin%2','<a href="manageheader.php">','</a>')."</h3>\n";
}
else
{
echo '<h3><a href="manageheader.php">'.lang('Continue to the Header Admin')."</a></h3>\n";
}
}
else
{
echo '<h3><a href="index.php">'.lang('Return to Setup')."</a></h3>\n";
}
$setup_tpl->pparse('out','T_footer');
//echo "</body>\n</html>\n";
}