";
echo "";
exit();
}
/** security functions */
include_once("../lib/security.inc");
/** self service functions */
include_once("../lib/selfService.inc");
// 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 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 XML support
if (! function_exists('utf8_decode')) {
$criticalErrors[] = array("ERROR", "Your PHP has no XML support!", "Please install the XML 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.");
}
$memLimit = ini_get('memory_limit');
if (isset($memLimit) && ($memLimit != '') && (substr(strtoupper($memLimit), strlen($memLimit) - 1) == 'M')) {
if (intval(substr($memLimit, 0, strlen($memLimit) - 1)) < 64) {
$criticalErrors[] = array("ERROR", "Please increase the \"memory_limit\" parameter in your php.ini to at least \"64M\".",
"Your current memory limit is $memLimit.");
}
}
// stop login if critical errors occured
if (sizeof($criticalErrors) > 0) {
echo "\n\n";
echo "\n\n";
echo "\n";
echo "\n \n";
echo "\n";
echo "\n";
echo "LDAP Account Manager\n";
echo "\n";
for ($i = 0; $i < sizeof($criticalErrors); $i++) {
call_user_func_array("StatusMessage", $criticalErrors[$i]);
echo "
";
}
echo "";
exit();
}
/** access to configuration options */
include_once("../lib/config.inc"); // Include config.inc which provides Config class
// set session save path
if (strtolower(session_module_name()) == 'files') {
session_save_path("../sess");
}
session_start(); // Start LDAP Account Manager session
// save last selected login profile
if(isset($_POST['profile'])) {
setcookie("lam_default_profile", $_POST['profile'], time() + 365*60*60*24);
}
/**
* Displays the login window.
*
* @param object $config_object current active configuration
*/
function display_LoginPage($config_object) {
global $error_message;
// generate 256 bit key and initialization vector for user/passwd-encryption
// check if we can use /dev/random otherwise use /dev/urandom or rand()
if(function_exists('mcrypt_create_iv')) {
$key = @mcrypt_create_iv(32, MCRYPT_DEV_URANDOM);
if (! $key) {
srand((double)microtime()*1234567);
$key = mcrypt_create_iv(32, MCRYPT_RAND);
}
$iv = @mcrypt_create_iv(32, MCRYPT_DEV_URANDOM);
if (! $iv) {
srand((double)microtime()*1234567);
$iv = mcrypt_create_iv(32, MCRYPT_RAND);
}
// save both in cookie
setcookie("Key", base64_encode($key), 0, "/");
setcookie("IV", base64_encode($iv), 0, "/");
}
$_SESSION['language'] = $config_object->get_defaultLanguage();
$current_language = explode(":",$_SESSION['language']);
$_SESSION['header'] = "\n\n";
$_SESSION['header'] .= "\n\n";
$_SESSION['header'] .= "\n";
$_SESSION['header'] .= "\n ";
// loading available languages from language.conf file
$languagefile = "../config/language";
if(is_file($languagefile) == True)
{
$file = fopen($languagefile, "r");
$i = 0;
while(!feof($file))
{
$line = fgets($file, 1024);
if($line == "" || $line == "\n" || $line[0] == "#") continue; // ignore comment and empty lines
$value = explode(":", $line);
$languages[$i]["link"] = $value[0] . ":" . $value[1];
$languages[$i]["descr"] = $value[2];
if(rtrim($line) == $_SESSION["language"])
{
$languages[$i]["default"] = "YES";
}
else
{
$languages[$i]["default"] = "NO";
}
$i++;
}
fclose($file);
}
$profiles = getConfigProfiles();
setlanguage(); // setting correct language
echo $_SESSION["header"];
?>
LDAP Account Manager -Login-
\n";
echo "\n";
echo "\n";
?>
" . _("Want more features? Get LAM Pro!") . "";
}
?>
";
}
}
// check TLS
$useTLS = $config_object->getUseTLS();
if (isset($useTLS) && ($useTLS == "yes")) {
if (!function_exists('ldap_start_tls')) {
StatusMessage("ERROR", "Your PHP installation does not support TLS encryption!");
echo " ";
}
}
// check if session expired
if (isset($_GET['expired'])) {
StatusMessage("ERROR", _("Your session expired, please log in again."));
echo " ";
}
?>
