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<?php
# $Id: intercept.php 2163 2017-04-06 19:42:48Z tom.houdayer $
#
# intercept.php for ALCASAR captive portal
# Copyright (C) 2003, 2004 Mondru AB.
# Modify by REXY & steweb57
# UI & css style by stephane ERARD
# Help for language translation by B. AUBARD (thanks)

# 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.

# Redirects from CoovaChilli (chilli daemon) :
# Response to login:
  # success :   if login successful
  # failed :    if login failed
  # logoff :    if logout successful
  # already :   if tried to login while already logged in
  # notyet :    if not logged in yet
  # Default :   it was not a form request -> client go to login form

/****************************************************************
*                       GLOBAL FILE PATHS                       *
*****************************************************************/
define ("CONF_FILE", "/usr/local/etc/alcasar.conf");
define ("DOMAIN_ALLOWED_LIST", "/usr/local/etc/alcasar-uamdomain");

/****************************************************************
*                       FILE reading test                       *
*****************************************************************/
$conf_files=array(CONF_FILE,DOMAIN_ALLOWED_LIST);
foreach ($conf_files as $file){
        if (!file_exists($file)){
                exit("Fichier ".$file." non présent");
        }
        if (!is_readable($file)){
                exit("Vous n'avez pas les droits de lecture sur le fichier ".$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]] = $tmp[1];
                }
        }
}else{
        exit("Erreur d'ouverture du fichier ".CONF_FILE);
}
fclose($ouvre);
$organisme = trim($conf["ORGANISM"]);

# Shared secret used to encrypt password with coova.
$uamsecret = "";

# URL loaded after success authenticates (let blank for browser defaults)
$adminurl = "";

# Our own path
$loginpath      = htmlspecialchars($_SERVER['PHP_SELF']);
$alcasarpath    = "http://alcasar.".trim($conf["DOMAIN"]);
$statuspath     = $alcasarpath."/status.php";
$debug          = false;

# Choice of language
$Language = 'en';
if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
  $Langue = explode(",",$_SERVER['HTTP_ACCEPT_LANGUAGE']);
  $Language = strtolower(substr(chop($Langue[0]),0,2)); }
if($Language == 'es'){
  $l_ChilliError        = "La autenticación debe ser un éxito a través del servicio de portal cautivo.";
  $l_login              = "El éxito de la autenticación.<HR>Cierre esta ventana interrumpte la sesion.";
  $l_logout             = "Conexión de cierre";
  $l_loginfailed        = "Error de autenticación";
  $l_loggingin          = "Identificación en el portal cautivo";
  $l_loggedcont         = "Control de Acceso";
  $l_loggedout          = "Su sesión se cierra";
  $l_user               = "Usuario";
  $l_password           = "Contraseña";
  $l_wait               = "Por favor, espere un momento ...";
  $l_onlinetime         = "Tiempo de conexión:";
  $l_remainingtime      = "Desconexión en:";
  $l_encrypted          = "La apertura debe usar conexión cifrada";
  $l_boutonO            = "Autenticación";
  $l_boutonF            = "Cerrar";
  $l_loggedin_stringl1  = "Information System Security";
  $l_loggedin_stringl2  = "El portal fue creado reglamentos para garantizar la trazabilidad, la rendición de cuentas y el no repudio de las conexiones.";
  $l_loggedin_stringl3  = "Su actividad en la red es registrada, de conformidad con la privacidad.";
  $l_loggedin_stringl4  = "Los datos registrados pueden ser capaces de ser operado por una autoridad judicial en el curso de una investigación.";
  $l_loggedin_stringl5  = "Estos datos se eliminan automáticamente después de un año.";
  $l_loggedin_stringl6  = "Click <a href='$alcasarpath'>here</a> to change your password or to integrate the security certificate in your browser";
  $l_loggedout_string   = "Cerrar sesión hizo portal cautivo!";
  $l_reply_1            = "Your daily connexion time has been reached";
  $l_reply_2            = "Your monthly connexion time has been reached";
  $l_reply_3            = "You try to connect outside of your allowed timespan";
  $l_reply_4            = "your account expired";
  $l_reply_5            = "You have reached the maximum number of simultaneous logins";
  $l_reply_6            = "Your authorized connexion time has been reached";
  $l_online_time        = "Tiempo en linea";
  $l_remaining_time     = "Tiempo restante";
  $l_uam_domain         = "Sitios web autorizados : ";
  $l_autoregistration   = "Registo autom&aacute;tico";}
else if ($Language == 'pt'){
  $l_ChilliError        = "A autenticação precisa ser bem sucedida através do portal.";
  $l_login              = "Sucesso na autenticação.<HR>Matenha esse pop-up apenas minimizado para não interromper a conexão";
  $l_logout             = "Encerrar conexão";
  $l_loginfailed        = "Falha na autenticação";
  $l_loggingin          = "Identificação do portal cativo";
  $l_loggedcont         = "Controle de acesso";
  $l_loggedout          = "Sua sessão foi fechada";
  $l_user               = "Usuário";
  $l_password           = "Senha";
  $l_wait               = "Por favor, aguarde um momento ...";
  $l_onlinetime         = "Tempo de conexão:";
  $l_remainingtime      = "Desconectado em:";
  $l_encrypted          = "A conexão com o portal deve ser criptografada";
  $l_boutonO            = "Autenticação";
  $l_boutonF            = "Fechar";
  $l_loggedin_stringl1  = "Sistema de Informação e segurança";
  $l_loggedin_stringl2  = "Este controle foi criado para garantir acesso seguro.";
  $l_loggedin_stringl3  = "A autenticação será criptografada em 256 bits, impedindo captura por escâner de rede.";
  $l_loggedin_stringl4  = "Sua atividade na Internet será resguardada de acordo com os regulamentos da lei.";
  $l_loggedin_stringl5  = "Mantenha o popup da conexão minimizado para não interromper a cessão.";
  $l_loggedin_stringl6  = "Clique <a href='$alcasarpath'>aqui</a> para alterar sua senha, instalar certificado ou sair do portal.";
  $l_loggedout_string   = "desconexão do portal cativo";
  $l_reply_1            = "Seu tempo de conexão diária foi finalizado";
  $l_reply_2            = "Seu tempo de conexão mensal foi finalizado";
  $l_reply_3            = "Você tenta conectar-se fora do seu período de tempo permitido";
  $l_reply_4            = "Sua conta expirou";
  $l_reply_5            = "Você atingiu o número máximo de logins simultâneos";
  $l_reply_6            = "Seu tempo de conexão autorizada finalizou";
  $l_online_time        = "Tempo Online";
  $l_remaining_time     = "Tempo restante";
  $l_uam_domain         = "Sites autorizados : ";
  $l_autoregistration   = "Registo autom&aacute;tico";}
else if ($Language == 'zh'){
  $l_ChilliError        = "验证必须通过强制门户服务";
  $l_login              = "验证成功<HR>关闭此窗口中断连接";
  $l_logout             = "关闭连接";
  $l_loginfailed        = "验证失败";
  $l_loggingin          = "强制门户身份识别";
  $l_loggedcont         = "访问控制";
  $l_loggedout          = "您的连接已关闭";
  $l_user               = "用户名";
  $l_password           = "密码";
  $l_wait               = "请等待 ...";
  $l_onlinetime         = "连接时间";
  $l_remainingtime      = "断开连接于";
  $l_encrypted          = "与门户的连接必须加密";
  $l_boutonO            = "验证";
  $l_boutonF            = "关闭";
  $l_loggedin_stringl1  = "信息系统安全";
  $l_loggedin_stringl2  = "这种控制实施以法定保证可追溯性,可归罪性和连接的不否认性.";
  $l_loggedin_stringl3  = "您的网络活动是私密登记的.";
  $l_loggedin_stringl4  = "记录的数据能被司法机关在调查中操作使用.";
  $l_loggedin_stringl5  = "这些数据将在一年后自动删除.";
  $l_loggedin_stringl6  = "点击 <a href='$alcasarpath'> 这里 </a> 修改密码或安装浏览器安全证书";
  $l_loggedout_string   = "强制网络门户连接已断开";
  $l_reply_1            = "您已经达到每日连接时间";
  $l_reply_2            = "您已经达到每月连接时间";
  $l_reply_3            = "您尝试在授权时间以外连接";
  $l_reply_4            = "您的账号已过期";
  $l_reply_5            = "您已经达到同时连接的最大数量";
  $l_reply_6            = "已经到达您的允许连接时间";
  $l_online_time        = "在线时间";
  $l_remaining_time     = "剩余时间";
  $l_uam_domain         = "授权网站 : ";
  $l_autoregistration   = "短信注册";}
else if($Language == 'ar'){
 $l_ChilliError    = "يجب نجاح المصادقة على البوابة الأسيرة";
  $l_login    = "إغلاق هذه النافذة يقطع دورة عملك";
  $l_logout   = "إغلاق الدورة";
  $l_loginfailed    = "فشل المصادقة";
  $l_loggingin    = "التعريف على البوابة الأسيرة";
  $l_loggedcont   = "مراقبة الدخول";
  $l_loggedout    = "دورتكَ مغلقة";
  $l_user     = "التعريف";
  $l_password   = "كلمة السر";
  $l_wait   = "...إنتظر بعض اللحظات";
  $l_onlinetime   = ":مدة الإتصال";
  $l_remainingtime  = ":انقطاع الإتصال في";
  $l_encrypted    = "يجب تشفير الإتصال بالبوابة";
  $l_boutonO    = "مصادقة";
  $l_boutonF    = "أغلق";
  $l_loggedin_stringl1  = "سلامة نظم المعلومات";
  $l_loggedin_stringl2  = "وُضعت هذه المراقبة للضمان القانوني لتتبع ومساءلة وعدم تنصل الإتصالات";
  $l_loggedin_stringl3  = "نشاطك على الشبكة مسجل وفقاً لاحترام الحريات الشخصية";
  $l_loggedin_stringl4  = "لا يمكن استغلال البيانات المسجلة إلاّ من قِبل سلطات التحقيق القضائ";
  $l_loggedin_stringl5  = "سيتم حدف هذه البيانات تلقائياً بعد سنة من الْيَوْمَ";
  $l_loggedin_stringl6  = "لتغيير كلمة السر أو شهادة الأمان <a href='$alcasarpath'>هنا</a> اضغط ";
  $l_loggedout_string = "تَمّ قطع الإتصال بالبوابة الأسيرة";
  $l_reply_1    = "انتهى وقتك اليومي للإتصال";
  $l_reply_2    = "انتهى وقتك الشهري للإتصال";
  $l_reply_3    = "محاولة اتصال خارج فترتك المأذونة";
  $l_reply_4    = "انتهت مدة صلاحية حسابك";
  $l_reply_5    = "لقد استكملت العدد الأقصى للإتصالات المتزامنة";
  $l_reply_6    = "استكملت مذة الإتصال المسموحة";
  $l_online_time  = "مذة الإتصال";
  $l_remaining_time = "الوقت المتبق";
  $l_uam_domain = ":المواقع المسموحة ";
  $l_autoregistration = "تسجيل ذاتي (SMS)";}
else if($Language == 'de'){
  $l_ChilliError        = "Die Authentifizierung ist erfolgreich durch die Nutzung des Portals erfolgt.";
  $l_login              = "Erfolgreiche Authentifizierung.<HR>Schlißen dieses fensters unterbricht die sitzung";
  $l_logout             = "Beenden der Verbindung";
  $l_loginfailed        = "Authentifizierungsfehler Eigenverbrauch";
  $l_loggingin          = "Kennzeichnung auf dem Eigenverbrauch";
  $l_loggedcont         = "Zutrittskontrolle";
  $l_loggedout          = "Ihre Sitzung ist geschlossen";
  $l_user               = "Benutzer";
  $l_password           = "Passwort";
  $l_wait               = "Bitte warten Sie einen Moment ...";
  $l_onlinetime         = "Online-Zeit:";
  $l_remainingtime      = "Abmelden:";
  $l_encrypted          = "Die Öffnung muß der Anschluß Zahlen";
  $l_boutonO            = "Authentifizierung";
  $l_boutonF            = "Schließen";
  $l_loggedin_stringl1  = "Information System Security";
  $l_loggedin_stringl2  = "Dieses Portal wurde eingerichtet, um ordnungsgemäß die Rückverfolgbarkeit, der Zurechenbarkeit und der Nicht-Anerkennung der Verbindungen.";
  $l_loggedin_stringl3  = "Ihre Tätigkeit im Netzwerk registriert ist nach Schutz der Privatsphäre.";
  $l_loggedin_stringl4  = "Die gespeicherten Daten nicht pouront genutzt werden, dass von einer Justizbehörde im Rahmen einer Untersuchung.";
  $l_loggedin_stringl5  = "Diese Daten werden automatisch gelöscht nach einem Jahr.";
  $l_loggedin_stringl6  = "Click <a href='$alcasarpath'>here</a> to change your password or to integrate the security certificate in your browser";
  $l_loggedout_string   = "Trennung des Portals erfolgt Gefangener!";
  $l_reply_1            = "Your daily connexion time has been reached";
  $l_reply_2            = "Your monthly connexion time has been reached";
  $l_reply_3            = "You try to connect outside of your allowed timespan";
  $l_reply_4            = "your account expired";
  $l_reply_5            = "You have reached the maximum number of simultaneous logins";
  $l_reply_6            = "Your authorized connexion time has been reached";
  $l_online_time        = "Online-zeit";
  $l_remaining_time     = "Restzeit";
  $l_uam_domain         = "Autorisierten websites : ";
  $l_autoregistration   = "Automatische registrierung";}
else if($Language == 'nl'){
  $l_ChilliError        = "De authenticatie moet een succes worden via de captive portal dienst.";
  $l_login              = "Succesvolle authenticatie.<HR>Dit venster te sluiten onderbreekt uw sessie.";
  $l_logout             = "Slotkoers verbinding";
  $l_loginfailed        = "Authenticatie mislukt";
  $l_loggingin          = "Identificatie van de captive-portaal";
  $l_loggedcont         = "toegangscontrole";
  $l_loggedout          = "Uw sessie is gesloten";
  $l_user               = "Gebruiker";
  $l_password           = "Wachtwoord";
  $l_wait               = "Wacht een moment ...";
  $l_onlinetime         = "Sluit tijd:";
  $l_remainingtime      = "Verbreking in:";
  $l_encrypted          = "De opening moet gebruiken gecodeerde verbinding";
  $l_boutonO            = "Authenticatie";
  $l_boutonF            = "Sluiten";
  $l_loggedin_stringl1  = "Information System Security";
  $l_loggedin_stringl2  = "Het portaal werd opgericht verordeningen om de traceerbaarheid, verantwoordelijkheid en onloochenbaarheid van de verbindingen.";
  $l_loggedin_stringl3  = "Uw activiteit op het netwerk is geregistreerd in overeenstemming met de persoonlijke levenssfeer.";
  $l_loggedin_stringl4  = "De geregistreerde gegevens kunnen worden kunnen worden bediend door een rechterlijke instantie in de loop van een onderzoek.";
  $l_loggedin_stringl5  = "Deze gegevens worden automatisch verwijderd na een jaar.";
  $l_loggedin_stringl6  = "Click <a href='$alcasarpath'>here</a> to change your password or to integrate the security certificate in your browser";
  $l_loggedout_string   = "Logout gemaakt intern portaal!";
  $l_reply_1            = "Your daily connexion time has been reached";
  $l_reply_2            = "Your monthly connexion time has been reached";
  $l_reply_3            = "You try to connect outside of your allowed timespan";
  $l_reply_4            = "your account expired";
  $l_reply_5            = "You have reached the maximum number of simultaneous logins";
  $l_reply_6            = "Your authorized connexion time has been reached";
  $l_online_time        = "Online tijd";
  $l_remaining_time     = "Reterende tijd";
  $l_uam_domain         = "Geautoriseerde website : ";
  $l_autoregistration   = "Automatische registratie";}
else if($Language == 'fr'){
  $l_ChilliError        = "L'authentification doit être réussie sur le portail captif.";
  $l_login              = "Authentification réussie.<HR>La fermeture de cette fenêtre interrompt votre session.";
  $l_logout             = "Fermeture de la session";
  $l_loginfailed        = "Echec d'authentification";
  $l_loggingin          = "Identification sur le portail captif";
  $l_loggedcont         = "Contrôle d'accès";
  $l_loggedout          = "Votre session est fermée";
  $l_user               = "Identifiant";
  $l_password           = "Mot de passe";
  $l_wait               = "Patientez un instant ...";
  $l_onlinetime         = "Temps de connexion:";
  $l_remainingtime      = "Deconnexion dans :";
  $l_encrypted          = "La connexion avec le portail doit être chiffrée";
  $l_boutonO            = "Authentification";
  $l_boutonF            = "Fermer";
  $l_loggedin_stringl1  = "Sécurité des Systèmes d'Information";
  $l_loggedin_stringl2  = "Ce contrôle a été mis en place pour assurer réglementairement la traçabilité, l'imputabilité et la non-répudiation des connexions.";
  $l_loggedin_stringl3  = "Votre activité sur le réseau est enregistrée conformément au respect de la vie privée.";
  $l_loggedin_stringl4  = "Les données enregistrées ne pourront être exploitées que par une autorité judiciaire dans le cadre d'une enquête.";
  $l_loggedin_stringl5  = "Ces données seront automatiquement supprimées au bout d'un an.";
  $l_loggedin_stringl6  = "Cliquez <a href='$alcasarpath'>ici</a> pour changer votre mot de passe ou pour intégrer le certificat de sécurité à votre navigateur";
  $l_loggedout_string   = "Déconnexion du portail captif effectuée !";
  $l_reply_1            = "Votre durée de connexion journalière a été atteinte";
  $l_reply_2            = "Votre durée de connexion mensuelle a été atteinte";
  $l_reply_3            = "Vous tentez de vous connecter en dehors de votre période autorisée";
  $l_reply_4            = "Votre compte a expiré";
  $l_reply_5            = "Vous avez atteint le nombre maximum de connexions simultanées";
  $l_reply_6            = "Votre durée de connexion autorisée a été atteinte";
  $l_online_time        = "Temps de connexion";
  $l_remaining_time     = "Temps restant";
  $l_uam_domain         = "Sites autorisés : ";
  $l_autoregistration   = "Auto enregistrement (sms)";}
else{
  $l_ChilliError        = "The authentication must be successful through the captive portal service.";
  $l_login              = "Successful authentication.<HR>Closing this window interrupts your session";
  $l_logout             = "Closing connection";
  $l_loginfailed        = "Authentication Failed";
  $l_loggingin          = "Identification on the captive portal";
  $l_loggedcont         = "Access Control";
  $l_loggedout          = "Your session is closed";
  $l_user               = "User";
  $l_password           = "Password";
  $l_wait               = "Please wait a moment ...";
  $l_onlinetime         = "Connect time:";
  $l_remainingtime      = "Disconnection in:";
  $l_encrypted          = "The connection with the portal must be encrypted";
  $l_boutonO            = "Authentication";
  $l_boutonF            = "Close";
  $l_loggedin_stringl1  = "Information System Security";
  $l_loggedin_stringl2  = "That control was set up regulations to ensure traceability, accountability and non-repudiation of connections.";
  $l_loggedin_stringl3  = "Your activity on the network is registered in accordance with privacy.";
  $l_loggedin_stringl4  = "The recorded data can be able to be operated by a judicial authority in the course of an investigation.";
  $l_loggedin_stringl5  = "These data will be automatically deleted after one year.";
  $l_loggedin_stringl6  = "Click <a href='$alcasarpath'>here</a> to change your password or to integrate the security certificate in your browser";
  $l_loggedout_string   = "Disconnection of the captive portal made";
  $l_reply_1            = "Your daily connexion time has been reached";
  $l_reply_2            = "Your monthly connexion time has been reached";
  $l_reply_3            = "You try to connect outside of your allowed timespan";
  $l_reply_4            = "your account expired";
  $l_reply_5            = "You have reached the maximum number of simultaneous logins";
  $l_reply_6            = "Your authorized connexion time has been reached";
  $l_online_time        = "Online time";
  $l_remaining_time     = "Remaining time";
  $l_uam_domain         = "Authorized websites : ";
  $l_autoregistration   = "Auto registration (sms)";
}

# If https not use, tell it's wrong
if (!(isset($_SERVER['HTTPS'])&&($_SERVER['HTTPS'] == 'on'))) {
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">
<html>
<head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
  <title>$l_loggedcont</title>
  <meta http-equiv=\"Cache-control\" content=\"no-cache\">
  <meta http-equiv=\"Pragma\" content=\"no-cache\">
</head>
<body bgColor = 'white'>
  <h1 style=\"text-align: center;\">$l_loginfailed</h1>
  <center>$l_encrypted</center>
</body>
</html>";
    exit(0);
}

# Read form parameters which we care about
# avoid the "user as a MAC address" attempts
if ((isset($_POST['UserName'])) && (preg_match('/^([0-9A-F]{2}-){5}[0-9A-F]{2}$/',$_POST['UserName'])!=1)){
                                $username       = $_POST['UserName'];} else {$username="";}
if (isset($_POST['Password'])){ $password       = $_POST['Password'];} else {$password="";}
if (isset($_POST['challenge'])){$challenge      = $_POST['challenge'];} else {$challenge="";}
if (isset($_POST['button'])){   $button         = $_POST['button'];} else { $button="";}
//if (isset($_POST['logout'])){ $logout         = $_POST['logout'];} else {$logout="";}
//if (isset($_POST['prelogin'])){       $prelogin       = $_POST['prelogin'];} else {$prelogin="";}
if (isset($_POST['res'])){              $res            = $_POST['res'];} else {$res="";}
if (isset($_POST['uamip'])){    $uamip          = $_POST['uamip'];} else {$uamip="";}
if (isset($_POST['uamport'])){  $uamport        = $_POST['uamport'];} else {$uamport="";}
if (isset($_POST['userurl'])){  $userurl        = $_POST['userurl'];} else {$userurl="";}
if (isset($_POST['timeleft'])){ $timeleft       = $_POST['timeleft'];} else {$timeleft="";}
if (isset($_POST['redirurl'])){ $redirurl       = $_POST['redirurl'];} else {$redirurl="";}

# Read query parameters which we care about
if (isset($_GET['res']))                $res            = $_GET['res'];
if (isset($_GET['challenge']))  $challenge      = $_GET['challenge'];
if (isset($_GET['uamip']))              $uamip          = $_GET['uamip'];
if (isset($_GET['uamport']))    $uamport        = $_GET['uamport'];
if (isset($_GET['reply'])){             $reply          = $_GET['reply'];} else {$reply="";}
if (isset($_GET['userurl']))    $userurl        = $_GET['userurl'];
if (isset($_GET['timeleft']))   $timeleft       = $_GET['timeleft'];
if (isset($_GET['redirurl']))   $redirurl       = $_GET['redirurl'];

# translation of radius replies
if (isset($reply)){
        switch(trim ($reply)) {
  case 'Your maximum daily usage time has been reached' : $reply = $l_reply_1 ; break;
  case 'Your maximum monthly usage time has been reached' : $reply = $l_reply_2 ; break;
  case 'You are calling outside your allowed timespan' : $reply = $l_reply_3 ; break;
  case 'Password Has Expired' : $reply =  $l_reply_4 ; break;
  case 'You are already logged in - access denied' : $reply = $l_reply_5 ; break;
  case 'Your maximum never usage time has been reached' : $reply = $l_reply_6 ; break;
  }}

# If attempt to login
if ("$button" == "$l_boutonO") {
  #correction password length in coova-chilli
  #thanks to http://www.stochasticgeometry.ie/2009/09/09/maximum-password-length-in-coova-chilli/
  $hexchal = pack ("H*", $challenge);
  $newchal = pack ("H*", md5($hexchal . $uamsecret));

  # If challenge isn't long enough, repeat it until it is
  while (strlen($newchal) < strlen($password)){
                       $newchal .= $newchal;
  }

  $response = md5("\0" . $password . $newchal);
  $newpwd = pack("a*", $password);
  # Encode plain text password with challenge
  $pappassword = implode ("", unpack("H*", ($newpwd ^ $newchal)));
  echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">
<html>
<head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
  <title>$l_loggingin</title>
  <meta http-equiv=\"Cache-control\" content=\"no-cache\">
  <meta http-equiv=\"Pragma\" content=\"no-cache\">
  <meta http-equiv=\"refresh\" content=\"0;url=http://$uamip:$uamport/logon?username=$username&password=$pappassword&userurl=$userurl\">
  </head>
<body bgColor = 'white'>
<h1 style=\"text-align: center;\">$l_loggingin</h1>
  <center>
    $l_wait
  </center>
</body>
</html>";
exit(0);
}

switch($res) {
  case 'success':     $result =  1; break; // If login successful
  case 'failed':      $result =  2; break; // If login failed
  case 'logoff':      $result =  3; break; // If logout successful
  case 'already':     $result =  4; break; // If tried to login while already logged in
  case 'notyet':      $result =  5; break; // If not logged in yet
  default: $result = 0; // Default: It was not a form request -> client go to login form
}

//check if we need to warn user about the imputability logs.
if($result == 1)
{
        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");
        $user_uid=da_sql_escape_string($_GET['uid']);
        $sql = "SELECT attribute, value FROM radreply WHERE username='$user_uid'";
        $link = @da_sql_pconnect($config); // on affiche pas les erreurs
        if ($link){
                $res = @da_sql_query($link,$config,$sql); // on affiche pas les erreurs
                if ($res){
                        while(($row = @da_sql_fetch_array($res,$config))){
                                if ($row['attribute'] == "Filter-Id") $filter_id = $row['value']; // on obtient le Filter-Id de l'utilisateur
                        }
                        if($filter_id[3] == '1')
                        {
                                #set the fourth bit of filter-id to '0'
                                $sql = "set @CurrentFilter=(SELECT value from radreply where username='$user_uid');set @CurrentFilterLeft=(SELECT LEFT(@CurrentFilter,3));set @CurrentFilterRight=(SELECT RIGHT(@CurrentFilter,4));UPDATE radreply SET value = CONCAT((@CurrentFilterLeft),'0', (@CurrentFilterRight)) WHERE username='$user_uid'";
                                $res = mysqli_multi_query($link,$sql);
                                $user_url = urlencode($_GET['userurl']);
                                header("Location: http://alcasar/index.php?warn=1&url=$user_url");   //we present to user information about imputability logs 
                                exit;
                        }
                }
        }
        }
        
}


# Otherwise it was not a form request
# Send out an error message
if ($result == 0) {     //erreur
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">
<html>
<head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
  <title>$l_loggingin</title>
  <meta http-equiv=\"Cache-control\" content=\"no-cache\">
  <meta http-equiv=\"Pragma\" content=\"no-cache\">
  <meta http-equiv=\"refresh\" content=\"0;url=http://$uamip:$uamport/prelogin\">
  </head>
<body bgColor = 'white'>
<h1 style=\"text-align: center;\">$l_loggingin</h1>
  <center>
    $l_wait
  </center>
</body>
</html>";
    exit(0);
}
# Generate the output
echo "<!DOCTYPE html>
<html>
<head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
  <title>$l_loggingin</title>
  <meta http-equiv=\"Cache-control\" content=\"no-cache\">
  <meta http-equiv=\"Pragma\" content=\"no-cache\">
  <script type=\"text/javascript\" language=\"JavaScript\">
        alcasar_popup = null;
        function popUp(URL) {
                if (self.name != \"alcasar_popup\") {
                        alcasar_popup = window.open(URL, 'alcasar_popup', 'width=500,height=460,directories=no,resizable=no,scrollbars=yes,location=no,toolbar=no,statusbar=no,menubar=no');
                }
        }
        function doOnLoad(result, userurl, redirurl, adminurl, timeleft) {
                if ((result == 1)||(result == 4)) {     //success or already
                        //window.location = userurl;
                        if (alcasar_popup != null) alcasar_popup.focus();
                        if (adminurl != ''){
                                window.location = adminurl;
                        } else if (redirurl != '') {
                                window.location = redirurl;
                                } else if (userurl != '') {
                                        window.location = userurl;
                                } else {
                                window.home();
                        }
                }
                if ((result == 2) || (result == 3) || result == 5) { //failed or logoff or notyet
                        if (alcasar_popup != null) alcasar_popup.close();
                        document.form1.UserName.focus();
                }
        }
</script>
<link rel=\"stylesheet\" href=\"/css/style_intercept.css\" type=\"text/css\">
</head>
<body onLoad=\"javascript:doOnLoad($result,'$userurl','$redirurl','$adminurl','$timeleft')\">
  <center>";
if ($result == 2 || $result == 3 || $result == 5) { //failed or logoff or notyet
  echo "
        <div id=\"logon\">
        <h1>$organisme</h1>
        <h2>$l_loggedcont</h2>";
        if ($result == 2) { //failed
                echo "  
                <h3>$l_loginfailed</h3>";
                if ($reply) {
                #traitement du reply ...
                echo "<center> $reply <br /><br /></center>";
                }
        }
        if ($userurl == "http://logout/") $userurl="http://www.google.com"; //avoid cyclic logout
        echo "
        <img id=\"logo-alcasar\" src=\"/images/logo-alcasar.png\">
        <form name=\"form1\" method=\"post\" action=\"$loginpath\">
        <input type=\"hidden\" name=\"challenge\" value=\"$challenge\">
        <input type=\"hidden\" name=\"uamip\" value=\"$uamip\">
        <input type=\"hidden\" name=\"uamport\" value=\"$uamport\">
        <input type=\"hidden\" name=\"userurl\" value=\"$userurl\">
        <table id=\"boite-logon\">
                <tr>
                        <td width=\"20%\" rowspan=\"4\"><img id=\"logo-organ\" src=\"/images/organisme.png\"></td>
                        <td width=\"30%\" align=\"right\">$l_user</td>
                        <td width=\"50%\" align=\"left\"><INPUT type=\"text\" maxLength=\"32\" name=\"UserName\" autocomplete=\"off\"></td>
                </tr>
                <tr>
                        <td align=\"right\">$l_password</td>
                        <td align=\"left\"><INPUT maxLength=\"32\" type=\"password\" name=\"Password\" autocomplete=\"off\"></td>
                </tr>
                ";

        echo "  </tr>
                        <td height=\"23\"  align=\"left\"><INPUT value=\"$l_boutonO\" type=\"submit\" name=\"button\" onclick=\"window.open('$statuspath', '_blank');\"></td>
                ";


        $service_SMS_status=false;
        if($service_SMS_status){
                echo "  <td><a href=\"./autoregistrationinfo.php\">".$l_autoregistration."</a></td>";
        }

        echo "  </tr>
        </table>

        </form>
        <table id=\"boite-info\" cellSpacing=\"0\" cellPadding=\"0\" width=\"80%\">
                <tr>
                        <td align=\"center\"><FONT color=\"red\"><B>$l_loggedin_stringl1</B></FONT></td>
                </tr>
                <tr>
                        <td align=\"left\">
                                <ul>
                                        <LI>$l_loggedin_stringl2</LI>
                                        <LI>$l_loggedin_stringl4</LI>
                                        <LI>$l_loggedin_stringl3</LI>
                                        <LI>$l_loggedin_stringl5</LI>
                                        <LI>$l_loggedin_stringl6</LI>
                                </ul>
                        </td>
                </tr>
        </table>";

// Read the "Domain allowed" file
$tab=file(DOMAIN_ALLOWED_LIST);
if ($tab)  # the file isn't empty
        {
        echo "<div id=\"authorized_domain\">$l_uam_domain";
        foreach ($tab as $line)
                {
                if (trim($line) != '') # the line isn't empty
                        {
                        $domain_allowed=explode("#", $line);
                        if (trim($domain_allowed[1]) != ''){
                                $domain=explode("\"", $domain_allowed[0]);
                                #remove every '.' from the beginning of domain
                                $domain[1] = ltrim($domain[1], '.');
                                echo "<a href=\"http://".trim($domain[1])."\">".trim($domain_allowed[1])."</a> ";}
                        }       
                }
        }
echo "  
</div>
</center>
</body>
</html>";
}
exit(0);
?>