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egroupware/setup/check_install.php

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PHP
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<?php
/**************************************************************************\
* eGroupWare - 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'];
$is_windows = strtoupper(substr(PHP_OS,0,3)) == 'WIN';
if ($run_by_webserver)
{
$GLOBALS['egw_info'] = array(
'flags' => array(
'noheader' => True,
'nonavbar' => True,
'currentapp' => 'home',
'noapi' => True
));
$safe_er = error_reporting();
include ('./inc/functions.inc.php');
error_reporting($safe_er);
$GLOBALS['egw_info']['setup']['stage']['header'] = $GLOBALS['egw_setup']->detection->check_header();
if ($GLOBALS['egw_info']['setup']['stage']['header'] == '10')
{
// Check header and authentication
if (!$GLOBALS['egw_setup']->auth('Config') && !$GLOBALS['egw_setup']->auth('Header'))
{
Header('Location: index.php');
exit;
}
}
$passed_icon = '<img src="templates/default/images/completed.png" title="Passed" alt="Passed" align="middle" />';
$error_icon = '<img src="templates/default/images/incomplete.png" title="Error" alt="Error" align="middle" />';
$warning_icon = '<img src="templates/default/images/dep.png" title="Warning" alt="Warning" align="middle" />';
}
else
{
$passed_icon = '>>> Passed ';
$error_icon = '*** Error: ';
$warning_icon = '!!! Warning: ';
function lang($msg,$arg1=NULL,$arg2=NULL,$arg3=NULL,$arg4=NULL)
{
return is_null($arg1) ? $msg : str_replace(array('%1','%2','%3','%4'),array($arg1,$arg2,$arg3,$arg4),$msg);
}
}
$checks = array(
'phpversion' => array(
'func' => 'php_version',
'value' => $GLOBALS['egw_setup']->required_php_version,
'verbose_value' => $GLOBALS['egw_setup']->required_php_version.'+',
'recommended' => $GLOBALS['egw_setup']->recommended_php_version,
),
'safe_mode' => array(
'func' => 'php_ini_check',
'value' => 0,
'verbose_value' => 'Off',
'warning' => lang('safe_mode is turned on, which is generaly a good thing as it makes your install more secure.')."\n".
lang('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.')."\n".
lang('*** You have to do the changes manualy in your php.ini (usualy in /etc on linux) in order to get eGW fully working !!!')."\n".
lang('*** 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) !!!')
),
'magic_quotes_runtime' => array(
'func' => 'php_ini_check',
'value' => 0,
'verbose_value' => 'Off',
'safe_mode' => 'magic_quotes_runtime = Off'
),
'register_globals' => array(
'func' => 'php_ini_check',
'value' => 0,
'verbose_value' => 'Off',
'warning' => lang("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' => '>=',
'error' => lang('memory_limit is set to less than 16M: some applications of eGroupWare need more than the recommend 8M, expect occasional failures'),
'change' => 'memory_limit = 16M'
),
'max_execution_time' => array(
'func' => 'php_ini_check',
'value' => 30,
'check' => '>=',
'error' => lang('max_execution_time is set to less than 30 (seconds): eGroupWare sometimes needs a higher execution_time, expect occasional failures'),
'safe_mode' => 'max_execution_time = 30'
),
'file_uploads' => array(
'func' => 'php_ini_check',
'value' => 1,
'verbose_value' => 'On',
'error' => lang('File uploads are switched off: You can NOT use any of the filemanagers, nor can you attach files in several applications!'),
),
'include_path' => array(
'func' => 'php_ini_check',
'value' => '.',
'check' => 'contain',
'error' => lang('include_path need to contain "." - the current directory'),
),
'mysql' => array(
'func' => 'extension_check',
'warning' => lang('The %1 extension is needed, if you plan to use a %2 database.','mysql','MySQL')
),
'pgsql' => array(
'func' => 'extension_check',
'warning' => lang('The %1 extension is needed, if you plan to use a %2 database.','pgsql','pgSQL')
),
'mssql' => array(
'func' => 'extension_check',
'warning' => lang('The %1 extension is needed, if you plan to use a %2 database.','mssql','MsSQL'),
'win_only' => True
),
'odbc' => array(
'func' => 'extension_check',
'warning' => lang('The %1 extension is needed, if you plan to use a %2 database.','odbc','MaxDB, MsSQL or Oracle'),
),
'oci8' => array(
'func' => 'extension_check',
'warning' => lang('The %1 extension is needed, if you plan to use a %2 database.','oci','Oracle'),
),
'mbstring' => array(
'func' => 'extension_check',
'warning' => lang('The mbstring extension is needed to fully support unicode (utf-8) or other multibyte-charsets.')
),
'mbstring.func_overload' => array(
'func' => 'php_ini_check',
'value' => 7,
'warning' => '<div class="setup_info">' . lang('The mbstring.func_overload = 7 is needed to fully support unicode (utf-8) or other multibyte-charsets.') . "</div>",
'change' => extension_loaded('mbstring') || function_exists('dl') && @dl(PHP_SHLIB_PREFIX.'mbstring.'.PHP_SHLIB_SUFFIX) ? 'mbstring.func_overload = 7' : '',
),
'session' => array(
'func' => 'extension_check',
'warning' => lang('The session extension is needed to use php sessions (db-sessions work without).')
),
'.' => 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['egw_info']['setup']['stage']['header'] != 10
),
);
if (extension_loaded('session'))
{
//ini_set('session.save_path','/hugo');
$checks[session_save_path()] = array(
'func' => 'permission_check',
'is_writable' => true,
'msg' => lang("Checking if php.ini setting session.save_path='%1' is writable by the webserver",session_save_path()),
'error' => lang('You will NOT be able to log into eGroupWare using PHP sessions: "session could not be verified" !!!'),
);
}
$setup_info = $GLOBALS['egw_setup']->detection->get_versions();
foreach($setup_info as $app => $app_data)
{
if (!isset($app_data['check_install'])) continue;
foreach ($app_data['check_install'] as $name => $data)
{
if (isset($checks[$name]))
{
if ($checks[$name] == $data) continue; // identical check --> ignore it
if ($data['func'] == 'pear_check' || $data['func'] == 'extension_check' && !isset($args['warning']))
{
if ($checks[$name]['from'] && !is_array($checks[$name]['from']))
{
$checks[$name]['from'] = array($checks[$name]['from']);
}
$checks[$name]['from'][] = $data['from'] ? $data['from'] : $app;
}
else
{
$checks[$app.'_'.$name] = $data;
}
}
else
{
$checks[$name] = $data;
}
//echo "added check $data[func]($name) for $app"; _debug_array($data);
}
}
$sorted_checks = array();
foreach(array('php_version','php_ini_check','extension_check','pear_check','gd_check','permission_check') as $func)
{
foreach($checks as $name => $data)
{
if ($data['func'] == $func)
{
$sorted_checks[$name] = $data;
unset($checks[$name]);
}
}
}
if ($checks) $sorted_checks += $checks;
$checks =& $sorted_checks;
// some constants for pre php4.3
if (!defined('PHP_SHLIB_SUFFIX'))
{
define('PHP_SHLIB_SUFFIX',$is_windows ? 'dll' : 'so');
}
if (!defined('PHP_SHLIB_PREFIX'))
{
define('PHP_SHLIB_PREFIX',PHP_SHLIB_SUFFIX == 'dll' ? 'php_' : '');
}
function php_version($name,$args)
{
global $passed_icon, $error_icon;
$version_ok = (float) phpversion() >= $args['value'];
echo '<div>'.($version_ok ? $passed_icon : $error_icon).' <span'.($version_ok ? '' : ' class="setup_error"').'>'.
lang('Checking required PHP version %1 (recommended %2)',$args['verbose_value'],$args['recommended']).': '.
phpversion().' ==> '.($version_ok ? lang('True') : lang('False'))."</span></div>\n";
}
function pear_check($package,$args)
{
global $passed_icon, $warning_icon;
static $pear_available = null;
if (is_null($pear_available))
{
$pear_available = @include('PEAR.php');
if (!class_exists('PEAR')) $pear_available = false;
echo '<div>'.($pear_available ? $passed_icon : $warning_icon).' <span'.($pear_available ? '' : ' class="setup_warning"').'>'.
lang('Checking PEAR%1 is installed','').': '.($pear_available ? lang('True') : lang('False'))."</span></div>\n";
}
if ($pear_available && $package)
{
$file = str_replace('_','/',$package).'.php';
$available = @include($file);
if (!class_exists($package)) $available = false;
echo '<div>'.($available ? $passed_icon : $warning_icon).' <span'.($available ? '' : ' class="setup_warning"').'>'.
lang('Checking PEAR%1 is installed','::'.$package).': '.($available ? lang('True') : lang('False'))."</span></div>\n";
}
$available = $pear_available && (!$package || $available);
if (!$available)
{
echo '<div class="setup_info">' . lang('PEAR%1 is needed by: %2.',$package ? '::'.$package : '',
is_array($args['from']) ? implode(', ',$args['from']) : $args['from']);
if ($package)
{
echo ' '.lang('You can install it by running:').' pear install '.$package;
}
else
{
echo ' '.lang('PEAR (%1) is a PHP repository and is usually in a package called %2.',
'<a href="http://pear.php.net" target="_blank">pear.php.net</a>','php-pear');
}
echo "</div>";
}
echo "\n";
return $available;
}
function extension_check($name,$args)
{
global $passed_icon, $error_icon, $warning_icon, $is_windows;
if (isset($args['win_only']) && $args['win_only'] && !$is_windows)
{
return True; // check only under windows
}
// we check for the existens of 'dl', as multithreaded webservers dont have it !!!
$available = extension_loaded($name) || function_exists('dl') && @dl(PHP_SHLIB_PREFIX.$name.'.'.PHP_SHLIB_SUFFIX);
echo '<div>'.($available ? $passed_icon : $warning_icon).' <span'.($available ? '' : ' class="setup_warning"').'>'.lang('Checking extension %1 is loaded or loadable',$name).': '.($available ? lang('True') : lang('False'))."</span></div>\n";
if (!$available)
{
if (!isset($args['warning']))
{
$args['warning'] = lang('The %1 extension is needed from: %2.',$name,
is_array($args['from'] ? implode(', ',$args['from']) : $args['from']));
}
echo "<div class='setup_info'>".$args['warning'].'</div>';
}
echo "\n";
return $available;
}
function verbosePerms( $in_Perms )
{
if($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)
{
global $passed_icon, $error_icon, $warning_icon,$is_windows;
//echo "<p>permision_check('$name',".print_r($args,True).",'$verbose')</p>\n";
// add a ../ for non-absolute pathes
$rel_name = $name;
if (substr($name,0,3) != '../' && $name{0} != '/' && $name{0} != '\\' && strstr($name,':') === false)
{
$name = '../'.$name;
}
if (!file_exists($name) && isset($args['only_if_exists']) && $args['only_if_exists'])
{
return True;
}
$perms = $checks = '';
if (file_exists($name))
{
$owner = function_exists('posix_getpwuid') ? posix_getpwuid(@fileowner($name)) : array('name' => 'nn');
$group = function_exists('posix_getgrgid') ? posix_getgrgid(@filegroup($name)) : array('name' => 'nn');
$perms = "$owner[name]/$group[name] ".verbosePerms(@fileperms($name));
}
$checks = array();
if (isset($args['is_readable']))
{
$checks[] = lang('readable by the webserver');
$check_not = (!$args['is_readable']?lang('not'):'');
}
if (isset($args['is_writable']))
{
$checks[] = lang('writable by the webserver');
$check_not = (!$args['is_writable']?lang('not'):'');
}
if (isset($args['is_world_readable']))
{
$checks[] = lang('world readable');
$check_not = (!$args['is_world_readable']?lang('not'):'');
}
if (isset($args['is_world_writable']))
{
$checks[] = lang('world writable');
$check_not = (!$args['is_world_writable']?lang('not'):'');
}
$checks = implode(', ',$checks);
$icon = $passed_icon;
if (isset($args['msg']) && ($msg = $args['msg']))
{
$msg .= ': '.$perms."<br />\n";
}
else
{
$msg = lang('Checking file-permissions of %1 for %2 %3: %4',$rel_name,$check_not,$checks,$perms)."<br />\n";
}
if (isset($args['error']) && $args['error'])
{
$extra_error_msg = "<br />\n".$args['error'];
}
if (!file_exists($name))
{
echo '<div>'. $error_icon . '<span class="setup_error">' . $msg . lang('%1 does not exist !!!',$rel_name).$extra_error_msg."</span></div>\n";
return False;
}
$warning = False;
if (!$GLOBALS['run_by_webserver'] && (@$args['is_readable'] || @$args['is_writable']))
{
echo $warning_icon.' '.$msg. lang('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']);
$warning = True;
}
$Ok = True;
if (isset($args['is_writable']) && is_writable($name) != $args['is_writable'])
{
echo '<div>'.$error_icon.' <span class="setup_error">'.$msg.' '.lang('%1 is %2%3 !!!',$rel_name,$args['is_writable']?lang('not').' ':'',lang('writable by the webserver')).$extra_error_msg."</span></div>\n";
$Ok = False;
}
if (isset($args['is_readable']) && is_readable($name) != $args['is_readable'])
{
echo '<div>'.$error_icon.' <span class="setup_error">'.$msg.' '.lang('%1 is %2%3 !!!',$rel_name,$args['is_readable']?lang('not').' ':'',lang('readable by the webserver')).$extra_error_msg."</span></div>\n";
$Ok = False;
}
if (!$is_windows && isset($args['is_world_readable']) && !(fileperms($name) & 04) == $args['is_world_readable'])
{
echo '<div>'.$error_icon.' <span class="setup_error">'.$msg.' '.lang('%1 is %2%3 !!!',$rel_name,$args['is_world_readable']?lang('not').' ':'',lang('world readable')).$extra_error_msg."</span></div>\n";
$Ok = False;
}
if (!$is_windows && isset($args['is_world_writable']) && !(fileperms($name) & 02) == $args['is_world_writable'])
{
echo '<div>'.$error_icon.' <span class="setup_error">'.$msg.' '.lang('%1 is %2%3 !!!',$rel_name,$args['is_world_writable']?lang('not').' ':'',lang('world writable')).$extra_error_msg."</span></div>\n";
$Ok = False;
}
if ($Ok && !$warning && $verbose)
{
echo $passed_icon.' '.$msg;
}
if ($Ok && @$args['recursiv'] && is_dir($name))
{
if ($verbose)
{
echo "<div class='setup_info'>" . lang('This might take a while, please wait ...')."</div>\n";
flush();
}
@set_time_limit(0);
$handle = @opendir($name);
while($handle && ($file = readdir($handle)))
{
if ($file != '.' && $file != '..')
{
$Ok = $Ok && permission_check(($name!='.'?$name.'/':'').$file,$args,False);
}
}
if ($handle) closedir($handle);
}
if ($verbose) echo "\n";
return $Ok;
}
function mk_value($value)
{
if (!preg_match('/^([0-9]+)([mk]+)$/i',$value,$matches)) return $value;
return (strtolower($matches[2]) == 'm' ? 1024*1024 : 1024) * (int) $matches[1];
}
function php_ini_check($name,$args)
{
global $passed_icon, $error_icon, $warning_icon, $is_windows;
$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'];
$ini_value_verbose = '';
if ($verbose_value == 'On' || $verbose_value == 'Off')
{
$ini_value_verbose = ' = '.($ini_value ? 'On' : 'Off');
}
switch ($check)
{
case 'not set':
$check = lang('not set');
$result = !($ini_value & $args['value']);
break;
case 'set':
$check = lang('set');
$result = !!($ini_value & $args['value']);
break;
case '>=':
$result = !$ini_value || // value not used, eg. no memory limit
(int) mk_value($ini_value) >= (int) mk_value($args['value']);
break;
case 'contain':
$check = lang('contain');
$sep = $is_windows ? '[; ]+' : '[: ]+';
$result = in_array($args['value'],split($sep,$ini_value));
break;
case '=':
default:
$result = $ini_value == $args['value'];
break;
}
$msg = ' '.lang('Checking php.ini').": $name $check $verbose_value: <span class='setup_info'>ini_get('$name')='$ini_value'$ini_value_verbose</span>";
if ($result)
{
echo "<div>".$passed_icon.$msg."</div>\n";
}
if (!$result)
{
if (isset($args['warning']))
{
echo "<div>".$warning_icon.' <span class="setup_warning">'.$msg.'</span><div class="setup_info">'.$args['warning']."</div></div>\n";
}
if (isset($args['error']))
{
echo "<div>".$error_icon.' <span class="setup_error">'.$msg.'</span><div class="setup_info">'.$args['error']."</div></div>\n";
}
if (isset($args['safe_mode']) && $safe_mode || @$args['change'])
{
if (!isset($args['warning']) && !isset($args['error']))
{
echo '<div>'.$error_icon.' <span class="setup_error">'.$msg.'</span></div>';
}
echo "<div class='setup_error'>\n";
echo '*** '.lang('Please make the following change in your php.ini').' ('.get_php_ini().'): '.(@$args['safe_mode']?$args['safe_mode']:$args['change'])."<br />\n";
echo '*** '.lang('AND reload your webserver, so the above changes take effect !!!')."</div>\n";
}
}
return $result;
}
function get_php_ini()
{
ob_start();
phpinfo(INFO_GENERAL);
$phpinfo = ob_get_contents();
ob_end_clean();
return preg_match('/\(php.ini\).*<\/td><td[^>]*>([^ <]+)/',$phpinfo,$found) ? $found[1] : False;
}
function gd_check()
{
global $passed_icon, $warning_icon;
$available = (function_exists('imagecopyresampled') || function_exists('imagecopyresized'));
echo "<div>".($available ? $passed_icon : $warning_icon).' <span'.($available?'':' class="setup_warning"').'>'.lang('Checking for GD support...').': '.($available ? lang('True') : lang('False'))."</span></div>\n";
if (!$available)
{
echo lang('Your PHP installation does not have appropriate GD support. You need gd library version 1.8 or newer to see Gantt charts in projects.')."\n";
}
return $available;
}
if ($run_by_webserver)
{
$tpl_root = $GLOBALS['egw_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',
));
$ConfigDomain = get_var('ConfigDomain',Array('POST','COOKIE'));
if (@$_GET['intro']) {
if($ConfigLang = get_var('ConfigLang',array('POST','COOKIE')))
{
$GLOBALS['egw_setup']->set_cookie('ConfigLang',$ConfigLang,(int) (time()+(1200*9)),'/');
}
$GLOBALS['egw_setup']->html->show_header(lang('Welcome to the eGroupWare Installation'),False,'config');
echo '<h1>'.lang('Welcome to the eGroupWare Installation')."</h1>\n";
if(!$ConfigLang)
{
echo '<p><form action="check_install.php?intro=1" method="Post">Please Select your language '.lang_select(True,'en')."</form></p>\n";
}
echo '<p>'.lang('The first step in installing eGroupWare is to ensure your environment has the necessary settings to correctly run the application.').'</p>';
echo '<p>'.lang('We will now run a series of tests, which may take a few minutes. Click the link below to proceed.').'</p>';
echo '<h3><a href="check_install.php">'.lang('Run installation tests').'</a></h3>';
echo '<p><a href="manageheader.php">'.lang('Skip the installation tests (not recommended)')."</a></p>\n";
$setup_tpl->pparse('out','T_footer');
exit;
} else {
$GLOBALS['egw_setup']->html->show_header(lang('Checking the eGroupWare Installation'),False,'config',$ConfigDomain ? $ConfigDomain . '(' . @$GLOBALS['egw_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";
echo "====================================\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 ($GLOBALS['egw_info']['setup']['stage']['header'] != 10)
{
if (!$Ok)
{
echo '<h3>'.lang('Please fix the above errors (%1) and warnings(%2)',$error_icon,$warning_icon)."</h3>\n";
echo '<h3><a href="check_install.php">'.lang('Click here to re-run the installation tests')."</a></h3>\n";
echo '<h3>'.lang('or %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>';
if (!$Ok)
{
echo lang('Please fix the above errors (%1) and warnings(%2)',$error_icon,$warning_icon).'. ';
}
echo '<br /><a href="'.str_replace('check_install.php','',$_SERVER['HTTP_REFERER']).'">'.lang('Return to Setup')."</a></h3>\n";
}
$setup_tpl->pparse('out','T_footer');
//echo "</body>\n</html>\n";
}
?>
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