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<?php
# $Id: index.php 1996 2016-07-18 20:58:49Z richard $
#
# index.php for ALCASAR bu Rexy
# UI & css style by stephane ERARD
# The contents of this file may be used under the terms of the GNU
# General Public License Version 2, provided that the above copyright
# notice and this permission notice is included in all copies or
# substantial portions of the software.
/****************************************************************
* GLOBAL FILE PATHS *
*****************************************************************/
define ("CONF_FILE", "/usr/local/etc/alcasar.conf");
/****************************************************************
* FILE reading test *
*****************************************************************/
$conf_files=array(CONF_FILE);
foreach ($conf_files as $file){
if (!file_exists($file)){
exit("File ".$file." unknown");
}
if (!is_readable($file)){
exit("You don't have read rights on the file ".$file);
}
}
/****************************************************************
* Read CONF_FILE *
*****************************************************************/
$ouvre=fopen(CONF_FILE,"r");
if ($ouvre){
while (!feof ($ouvre))
{
$tampon = fgets($ouvre, 4096);
if (strpos($tampon,"=")!==false){
$tmp = explode("=",$tampon);
$conf[$tmp[0]] = $tmp[1];
}
}
}else{
exit("Error opening the file ".CONF_FILE);
}
fclose($ouvre);
$organisme = trim($conf["ORGANISM"]);
$domainname = trim($conf["DOMAIN"]);
$hostname = "alcasar.".$domainname;
$network_pb = False;
$cert_add = "http://$hostname/certs";
$direct_access = False;
$display_menu=False;
$diagnostic = "can't contact the default router";
$remote_ip = preg_match('#^([0-9]{1,3}\.){3}[0-9]{1,3}$#', $_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : "";
$tab = array();$user = array();
$connection_history = "";
$nb_connection_history = 3;
$Language = 'en';
if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
$Langue = explode(",",$_SERVER['HTTP_ACCEPT_LANGUAGE']);
$Language = strtolower(substr(chop($Langue[0]),0,2)); }
$redirect_link = "www.euronews.com"; # beware !!! HTTP only
# Retrieve the user info behind the remote ip
exec ("sudo /usr/sbin/chilli_query list|grep $remote_ip" , $tab);
$user = explode (" ", $tab[0]);
# Test if it's a direct connexion to ALCASAR
if (isset($_SERVER['HTTP_HOST']))
{
if (($_SERVER['HTTP_HOST'] == $_SERVER['SERVER_ADDR']) || (preg_match ("/^alcasar$/", $_SERVER['HTTP_HOST'])) || (preg_match ("/^$hostname$/", $_SERVER['HTTP_HOST'])) || (preg_match ("/^$organisme$/", $_SERVER['HTTP_HOST'])))
{
$direct_access=True;
exec("sudo /usr/sbin/ipset del not_auth_yet $remote_ip"); # del user of the ipset "not_auth_yet" to not loop
}
}
# Function to adapt time connexion in seconds to H,M,S
function secondsToDuration($seconds = null){
if ($seconds == null) return "";
$temp = $seconds % 3600;
$time[0] = ( $seconds - $temp ) / 3600 ; // hours
$time[2] = $temp % 60 ; // seconds
$time[1] = ( $temp - $time[2] ) / 60; // minutes
return $time[0]." h ".$time[1]." m ".$time[2]." s";
}
# If the user is connected : retrieve the 3 last connexions
if ((isset ($user[4])) && ($user[4] != "0")){
if ((is_file("./acc/manager/lib/sql/drivers/mysql/functions.php"))&&(is_file("/etc/freeradius-web/config.php"))){
include_once("/etc/freeradius-web/config.php");
include_once("./acc/manager/lib/sql/drivers/mysql/functions.php");
$sql = "SELECT UserName, AcctStartTime, AcctStopTime, acctsessiontime FROM radacct WHERE UserName='$user[5]' ORDER BY AcctStartTime DESC LIMIT 0 , $nb_connection_history";
$link = @da_sql_pconnect($config); // on affiche pas les erreurs
if ($link){
$res = @da_sql_query($link,$config,$sql); // on affiche pas les erreurs
if ($res){
$connection_history.= "<ul>";
while(($row = @da_sql_fetch_array($res,$config))){
$connected = "";
if ($row['acctstoptime'] == "") $connected = " (active)";
$connection_history.="<li title='$row[username] $row[acctstarttime] $row[acctstoptime] (".secondsToDuration($row['acctsessiontime']).")'>$row[acctstarttime] (".secondsToDuration($row['acctsessiontime']).") $connected</li>";
}
$connection_history.="</ul>";
}
}
}
}
else # user not connected
{
exec("sudo /usr/sbin/ipset list not_auth_yet | grep $remote_ip | wc -l 2>&1", $ipset_not_auth_yet);
if(!$direct_access && $ipset_not_auth_yet[0] == '0') # it's the fist stage of an interception
{
$display_menu = True; # Display menu for user not_auth_yet
$redirect_link = $_SERVER['HTTP_HOST']; # to keep the user URL
}
if(isset($_GET['url'])) # it's the second stage (when user has clicked to open a connection ...)
{
exec("sudo /usr/sbin/ipset add not_auth_yet $remote_ip"); # Add user in the ipset "not_auth_yet" (DNS requests not intercepted)
if(isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'off') # in HTTP, the user is redirected on it's home page (in HTiTPS, it's on the default page)
{
$redirect_link = "http://".$_GET['url'];
}
else
{
$redirect_link = "http://".$redirect_link;
}
header("Location: $redirect_link",TRUE,307);
exit;
}
if ($ipset_not_auth_yet[0] == '1'){ #if user not_auth_yet still here (index.php), we force DNS resquest.
echo "<script>window.location.reload(true)</script>"; # force DNS request
}
}
# Choice of language
if($Language == 'fr'){
$l_access_denied = "Contrôle d'accès";
$l_access_welcome = "Bienvenue sur ALCASAR";
$l_access_unavailable = "ACCÈS INDISPONIBLE";
$l_required_domain = "Site WEB demandé";
$l_explain_acc_access = "Le centre de gestion permet d'administrer le portail. Vous devez posséder un compte d'administration ou de gestion pour y accéder.";
$l_explain_access_deny = "Vous tentez d'accéder à une ressource dont le contenu est réputé contenir des informations inappropriées.";
$l_explain_net_pb = "Votre portail détecte que l'accès à Internet est indisponible.";
$l_contact_access_deny = "Contactez le responsable de la sécurité (OSSI/RSSI) si vous pensez que ce filtrage est abusif.";
$l_contact_net_pb = "Contactez votre responsable informatique ou votre prestataire Internet pour plus d'information.";
$l_welcome = "Page principale de votre portail captif";
$l_sms_access = "<a href=\"https://$hostname/autoregistrationinfo.php\">Auto Enregistrement par SMS</a>";
$l_install_certif = "<a href=\"$cert_add/certificat_alcasar_ca.der\">Installer le certificat racine</a>";
$l_install_certif_more = "<a href=\"$cert_add/certificat_alcasar_ca.der\">Installation du certificat de l'autorité racine d'ALCASAR</a>";
$l_certif_explain = "Permet l'échange de données sécurisées entre votre station de consultation et le portail captif ALCASAR.<BR>Si ce certificat n'est pas enregistré sur votre station de consultation, il est possible que des alertes de sécurités soient émises par votre navigateur.<br><br>";
$l_certif_explain_help = "<a href=\"alcasar-certificat.pdf\" target=\"_blank\">Aide complémentaire</a>";
$l_category = "catégorie :";
if ((isset ($user[4])) && ($user[4] == "0")) {
$l_logout_explain = "Aucune session de consultation Internet n'est actuellement ouverte sur votre système.";
$l_logout = "<a href=\"http://$hostname/index.php?url=$redirect_link\">Ouvrir une session Internet</a>";
}
else {
if ($user[5] != $user[0]) // authentication exception or not
{
$l_logout_explain = "Ferme la session de l'usager actuellement connecté. <br><br>Utilisateur connecté : <a href=\"http://$hostname:3990/logoff\" title=\"Deconnecter l'utilisateur $user[5]\"><b>$user[5]</b></a><br><br>$nb_connection_history dernières connexions :$connection_history";
$l_logout = "<a href=\"http://$hostname:3990/logoff\">Se déconnecter d'internet</a>";
}
else
{
$l_logout_explain = "Votre système ($user[5]) est en exception d'authentication.<br><br>$nb_connection_history last connections :$connection_history";
$l_logout = "Information des connexions";
}
}
$l_password_change = "<a href=\"https://$hostname/pass\">Changer votre mot de passe</a>";
$l_password_change_explain = "Vous redirige sur la page de changement du mot de passe de votre compte d'accès à internet.<br><br>Vous devez avoir un compte internet valide.";
$l_sms_explain = "Vous redirige vers une la page explicative de l'auto enregistrement par SMS.<br><br><strong>Identifiant:</strong> votre numéro de téléphone<br><strong>Mot de passe:</strong> votre message";
$l_back_page = "<a href=\"javascript:history.back()\">Page précédente</a>";
$l_service_sms = "Service SMS actif";
$l_service_sms_n = "Service SMS non actif";
$l_acc_sms = "Auto enregistrement par SMS";
}
else if($Language == 'pt'){
$l_access_denied = "Controle de acesso";
$l_access_welcome = "Bem-vindo ao Alcasar";
$l_access_unavailable = "ACESSO INDISPONÍVEL";
$l_required_domain = "Site WEB Obrigatório";
$l_explain_acc_access = "Este é o centro de controle do portal para acessar você deve ter uma conta administrativa valida.";
$l_explain_access_deny = "Você tenta se conectar a um recurso cujo conteúdo é considerado inadequado no conteúdo de informações.";
$l_explain_net_pb = "O sistema detectou que o acesso é de risco, não será permitido o acesso";
$l_contact_access_deny = "Entre em contato com o administrador do sistema de segurança se acha que essa filtragem é abusiva.";
$l_contact_net_pb = "Entre em contato com a empresa fornecedora de Internet para mais informações";
$l_welcome = "Página do portal";
$l_sms_access = "<a href=\"https://$hostname/autoregistrationinfo.php\">Auto Registration by SMS</a>";
$l_install_certif = "<a href=\"$cert_add/certificat_alcasar_ca.der\">Instalar Certificado Alcasar AC</a>";
$l_install_certif_more = "<a href=\"$cert_add/certificat_alcasar_ca.der\">Instalar Certificado Alcasar AC</a>";
$l_certif_explain = "O certificado Permiti a troca de dados seguro entre seu computador e o portal Alcasar.<BR>Se este certificado não estiver incorporado no seu computador, alguns alertas de segurança deverá aparecer no navegador.<br><br>";
$l_certif_explain_help = "<a href=\"alcasar-certificat.pdf\" target=\"_blank\">Essa foi uma ajuda complementar</a>";
$l_category = "categoria :";
if ((isset ($user[4])) && ($user[4] == "0")) {
$l_logout_explain = "Não há conexão de Internet aberta em seu computador, deseja conectar?";
$l_logout = "<a href=\"http://$hostname/index.php?url=$redirect_link\">Abrir uma conexão de Internet</a>";
}
else {
if ($user[5] != $user[0]) // authentication exception or not
{
$l_logout_explain = "Se desejar, feche a conexão do usuário atual conectado.<br> Usuário conectado : <a href=\"http://$hostname:3990/logoff\" title=\"Disconnect user $user[5]\"><b>$user[5]</b></a><br><br>$nb_connection_history last connections :$connection_history";
$l_logout = "<a href=\"http://$hostname:3990/logoff\">Sair da Internet</a>";
}
else
{
$l_logout_explain = "O sistema ($user[5]) detctou exesso de autenticação.<br><br>$nb_connection_history logins últimos :$connection_history";
$l_logout = "Informações de conexões";
}
}
$l_password_change = "<a href=\"https://$hostname/pass\">Mudar sua senha</a>";
$l_password_change_explain = "Você será redirecionado à página de alteração de senha.<br><br> e deverá ter uma conta de usuário valido para efetuar a troca e acessar à Internet.";
$l_sms_explain = "Redirect you on auto registration page.<br><br><strong>Login:</strong> your phone number<br><strong>Password:</strong> SMS content";
$l_back_page = "<a href=\"javascript:history.back()\">Página anterior</a>";
$l_service_sms = "SMS service enable";
$l_service_sms_n = "SMS service disable";
$l_acc_sms = "Auto registration by SMS";
}
else {
$l_access_denied = "Access control";
$l_access_welcome = "Welcome on ALCASAR";
$l_access_unavailable = "ACCESS UNAVAILABLE";
$l_required_domain = "Required WEB site";
$l_explain_acc_access = "This center control the portal. You must have an administrative account.";
$l_explain_access_deny = "You try to connect to a resource whose content is deemed to contain inappropriate information.";
$l_explain_net_pb = "Your portal has just detected that the Internet access is down";
$l_contact_access_deny = "Contact your security system manager if you think this filtering is abusive.";
$l_contact_net_pb = "Contact your network responsive or your Internet provider for more information";
$l_welcome = "Your captive portal main page";
$l_sms_access = "<a href=\"https://$hostname/autoregistrationinfo.php\">Auto Registration by SMS</a>";
$l_install_certif = "<a href=\"$cert_add/certificat_alcasar_ca.der\">Install ALCASAR AC Certificate</a>";
$l_install_certif_more = "<a href=\"$cert_add/certificat_alcasar_ca.der\">Install ALCASAR AC Certificate</a>";
$l_certif_explain = "Allow secure data exchange between your computer and ALCASAR portal.<BR>If this certificate isn't incorporated in your computer, some security alerts should appear in your browser.<br><br>";
$l_certif_explain_help = "<a href=\"alcasar-certificat.pdf\" target=\"_blank\">Complementary help</a>";
$l_category = "category :";
if ((isset ($user[4])) && ($user[4] == "0")) {
$l_logout_explain = "No Internet consultation session is actualy open on your system";
$l_logout = "<a href=\"http://$hostname/index.php?url=$redirect_link\">Open an Internet session</a>";
}
else {
if ($user[5] != $user[0]) // authentication exception or not
{
$l_logout_explain = "Close the session of the user currently connected.<br> User logged-on : <a href=\"http://$hostname:3990/logoff\" title=\"Disconnect user $user[5]\"><b>$user[5]</b></a><br><br>$nb_connection_history last connections :$connection_history";
$l_logout = "<a href=\"http://$hostname:3990/logoff\">Logoff from internet</a>";
}
else
{
$l_logout_explain = "Your system ($user[5]) is in exception of authentication.<br><br>$nb_connection_history Last logins :$connection_history";
$l_logout = "Connections information";
}
}
$l_password_change = "<a href=\"https://$hostname/pass\">Change your password</a>";
$l_password_change_explain = "Redirect you on password change page.<br><br> You should already have an Internet access account.";
$l_sms_explain = "Redirect you on auto registration page.<br><br><strong>Login:</strong> your phone number<br><strong>Password:</strong> SMS content";
$l_back_page = "<a href=\"javascript:history.back()\">Previous page</a>";
$l_service_sms = "SMS service enable";
$l_service_sms_n = "SMS service disable";
$l_acc_sms = "Auto registration by SMS";
}
$l_title = ($direct_access ? $l_access_welcome : ($network_pb ? $l_access_unavailable : $l_access_denied));
$l_explain = ($direct_access ? $l_explain_acc_access : ($network_pb ? $l_explain_net_pb : $l_explain_access_deny));
# set the icons
$img_rep = "./images/";
$img_organisme = "organisme.png";
$img_access = "globe_acces_70.png";
$img_connect = "globe_70.png";
$img_warning = "globe_warning_70.png";
$img_pwd = "cle_ombre.png";
$img_certificate = "certificat.png";
$img_acc = "logo-alcasar_70.png";
$img_sms = "sms.png";
$img_false = "interdit.png";
$img_adm = "adm.png";
$img_internet = $img_connect;
if ((isset ($user[4])) && ($user[4] == "0")) {
if (! $network_pb) {
$img_internet = $img_access;
}
else {
$img_internet = $img_warning;
}
}
else {
$img_internet = $img_connect;
}
# cleaning the cache
header("Expires: Tue, 01 Jan 2000 00:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>ALCASAR - <?php echo $l_title; ?></title>
<meta http-equiv="Cache-control" content="no-cache">
<meta http-equiv="Pragma" content="no-cache">
<?php
echo "<style>";
include("css/style_intercept.css");
echo "</style>";
?>
<script type="text/javascript">
function valoriserDiv5(param){
document.getElementById("box_info").innerHTML = param.innerHTML;
}
</script>
</head>
<body onload="valoriserDiv5(text_conn);">
<?php
if ($direct_access || $display_menu){
echo "
<div id=\"cadre_titre\" class=\"titre_controle\">
<p id=\"acces_controle\" class=\"titre_controle\">$l_title</p>";
if ($network_pb) {
echo " <span>$l_explain_net_pb</span>";
}
}
else {
echo"
<div id=\"cadre_titre\" class=\"titre_refus\">
<p id=\"acces_controle\" class=\"titre_refus\">$l_title</p>";
}
?>
<div id="boite_logo">
<img src="<?php echo "$img_rep$img_organisme"; ?>">
</div>
</div>
<div id="contenu_acces">
<div id="box_url">
<?php
# search here in the blacklist categories if we want to display it (if ((! $direct_access) && (! $network_pb)){}
?>
</div>
<?php
# Check if the SMS service is enable
$service_SMS_status="false";
if ($service_SMS_status == "true") {
$sms_div='
<div class="box_menu" id="box_acc" onmouseover="valoriserDiv5(text_acc);">
<span>'.$l_sms_access.'</span>
<img src="'.$img_rep.''.$img_sms.'">
</div>
';
$sms_div_over='
<div class="div-cache" id="text_acc">
<h2>'.$l_sms_access.'</h2>
<p>'.$l_sms_explain.'</p>
<p><font color="green"><center>'.$l_service_sms.'</center></font></p>
<img src="'.$img_rep.''.$img_sms.'">
</div>
';
}
else {
$sms_div='';
$sms_div_over='';
}
?>
<?php
if ($direct_access || $display_menu){
echo " <div id=\"box_bienvenue\">
$l_welcome
</div>
<div class=\"box_menu\" id=\"box_conn\" onmouseover=\"valoriserDiv5(text_conn);\">
<span>$l_logout</span>
<img src=\"$img_rep$img_internet\">
</div>
<div class=\"box_menu\" id=\"box_certif\" onmouseover=\"valoriserDiv5(text_certif);\">
<span>$l_install_certif</span>
<img src=\"$img_rep$img_certificate\">
</div>
<div class=\"box_menu\" id=\"box_mdp\" onmouseover=\"valoriserDiv5(text_mdp);\">
<img src=\"$img_rep$img_pwd\">
<span>$l_password_change</span>
</div>
$sms_div
<div class=\"div-cache\" id=\"text_conn\">
<h2>$l_logout</h2>
<p>$l_logout_explain</p>
<img src=\"$img_rep$img_internet\">
</div>
<div class=\"div-cache\" id=\"text_certif\">
<h2>$l_install_certif_more</h2>
<p>$l_certif_explain $l_certif_explain_help</p>
<img src=\"$img_rep$img_certificate\">
</div>
<div class=\"div-cache\" id=\"text_mdp\">
<h2>$l_password_change</h2>
<p>$l_password_change_explain</p>
<img src=\"$img_rep$img_pwd\">
</div>
$sms_div_over
<div id=\"box_info\">
</div>";
}
else {
echo "
<div id=\"box_refuse\">
<img src=\"$img_rep$img_false\">
<p>$l_explain</p>
</div>
<div id=\"liens_redir\">
<p>$l_back_page</p>
</div>";
}
if (($network_pb)&&(! $direct_access)) {
echo " <span>Diagnostic : $diagnostic</span>";
}
?>
</div>
<div id="corner">
<div id="adm" class="corn">
<a href="https://<?php echo $hostname; ?>/acc/"><img src=<?php echo $img_rep.''.$img_adm; ?>></a>
</div>
</div>
</body>
</html>