141 lines
6.0 KiB
PHP
141 lines
6.0 KiB
PHP
<?php
|
|
/*
|
|
$Id$
|
|
|
|
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
|
|
Copyright (C) 2010 - 2015 Roland Gruber
|
|
|
|
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.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
*/
|
|
|
|
/**
|
|
* Checks if the environment fits to run LAM.
|
|
* This code checks if the PHP version is ok, the required extensions are active
|
|
* and the memory limit is high enough.
|
|
*
|
|
* @author Roland Gruber
|
|
* @package main
|
|
*/
|
|
|
|
/** status messages */
|
|
include_once("../lib/status.inc");
|
|
|
|
/** config */
|
|
include_once("../lib/config.inc");
|
|
|
|
// check if PHP >= 5.3.2
|
|
if (version_compare(phpversion(), '5.3.2') < 0) {
|
|
echo "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\n";
|
|
echo "<html>\n<head>\n";
|
|
echo "<meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\">\n";
|
|
echo "<meta http-equiv=\"pragma\" content=\"no-cache\">\n <meta http-equiv=\"cache-control\" content=\"no-cache\">\n";
|
|
echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"../style/500_layout.css\">\n";
|
|
echo "<link rel=\"shortcut icon\" type=\"image/x-icon\" href=\"../graphics/favicon.ico\">\n";
|
|
echo "<title>LDAP Account Manager</title>\n";
|
|
echo "</head><body>\n";
|
|
StatusMessage("ERROR", "LAM needs a PHP 5 version which is greater or equal than 5.3.2.", "Please upgrade your PHP installation. The found version is " . phpversion());
|
|
echo "<br><br>";
|
|
echo "</body></html>";
|
|
exit();
|
|
}
|
|
|
|
// check environment
|
|
$criticalErrors = array();
|
|
// check if PHP has session support
|
|
if (! function_exists('session_start')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no session support!", "Please install the session extension for PHP.");
|
|
}
|
|
// check if PHP has SPL support
|
|
if (! function_exists('class_implements')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no SPL support!", "Please install the SPL extension for PHP.");
|
|
}
|
|
// check if PHP has LDAP support
|
|
if (! function_exists('ldap_search')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no LDAP support!", "Please install the LDAP extension for PHP.");
|
|
}
|
|
// check if PHP has gettext support
|
|
if (! function_exists('gettext') || !function_exists('_')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no gettext support!", "Please install gettext for PHP.");
|
|
}
|
|
// check if PHP has openssl support
|
|
if (! function_exists('openssl_x509_parse')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no openssl support!", "Please install openssl for PHP.");
|
|
}
|
|
// check if PHP has XML support
|
|
if (! function_exists('utf8_decode')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no XML support!", "Please install the XML extension for PHP.");
|
|
}
|
|
// check if PHP has GD support
|
|
if (! function_exists('getimagesize')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no GD support!", "Please install the GD extension for PHP.");
|
|
}
|
|
// check if PHP has JSON support
|
|
if (! function_exists('json_encode')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no JSON support!", "Please install the JSON extension for PHP.");
|
|
}
|
|
// check file permissions
|
|
$writableDirs = array('sess', 'tmp');
|
|
for ($i = 0; $i < sizeof($writableDirs); $i++) {
|
|
$path = realpath('../') . "/" . $writableDirs[$i];
|
|
if (!is_writable($path)) {
|
|
$criticalErrors[] = array("ERROR", 'The directory %s is not writable for the web server. Please change your file permissions.', '', array($path));
|
|
}
|
|
}
|
|
// check session auto start
|
|
if (ini_get("session.auto_start") == "1") {
|
|
$criticalErrors[] = array("ERROR", "Please deactivate session.auto_start in your php.ini. LAM will not work if it is activated.");
|
|
}
|
|
// check memory limit
|
|
$memLimit = ini_get('memory_limit');
|
|
if (isset($memLimit) && ($memLimit != '') && (substr(strtoupper($memLimit), strlen($memLimit) - 1) == 'M')) {
|
|
if (intval(substr($memLimit, 0, strlen($memLimit) - 1)) < 128) {
|
|
$criticalErrors[] = array("ERROR", "Please increase the \"memory_limit\" parameter in your php.ini to at least \"128M\".",
|
|
"Your current memory limit is $memLimit.");
|
|
}
|
|
}
|
|
// check PCRE regex system
|
|
if (!@preg_match('/^\p{L}+$/u', "abc")) {
|
|
$criticalErrors[] = array("ERROR", "Your PCRE library has no complete Unicode support. Please upgrade libpcre or compile with \"--enable-unicode-properties\".");
|
|
}
|
|
// check ZIP support for PDF files in file upload
|
|
if (!extension_loaded('zip')) {
|
|
$criticalErrors[] = array("ERROR", "Your PHP has no ZIP support.", "Please install the ZIP extension for PHP.");
|
|
}
|
|
// check for main config
|
|
$mainConfig = new LAMCfgMain();
|
|
if (!$mainConfig->isConfigFileExisting()) {
|
|
$criticalErrors[] = array("ERROR", "The main config file (config.cfg) does not exist.", "Please see the manual for installation instructions.");
|
|
}
|
|
// stop login if critical errors occured
|
|
if (sizeof($criticalErrors) > 0) {
|
|
echo "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\n";
|
|
echo "<html>\n<head>\n";
|
|
echo "<meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\">\n";
|
|
echo "<meta http-equiv=\"pragma\" content=\"no-cache\">\n <meta http-equiv=\"cache-control\" content=\"no-cache\">\n";
|
|
echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"../style/500_layout.css\">\n";
|
|
echo "<link rel=\"shortcut icon\" type=\"image/x-icon\" href=\"../graphics/favicon.ico\">\n";
|
|
echo "<title>LDAP Account Manager</title>\n";
|
|
echo "</head><body>\n";
|
|
for ($i = 0; $i < sizeof($criticalErrors); $i++) {
|
|
call_user_func_array("StatusMessage", $criticalErrors[$i]);
|
|
echo "<br><br>";
|
|
}
|
|
echo "</body></html>";
|
|
exit();
|
|
}
|
|
|
|
|
|
?>
|