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<?php
# $Id: index.php 2215 2017-05-09 20:08:32Z tom.houdayer $
#
# index.php for ALCASAR by 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");
define ("DOMAIN_ALLOWED_LIST", "/usr/local/etc/alcasar-uamdomain");
/****************************************************************
* 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 *
*****************************************************************/
$file_conf = fopen(CONF_FILE, 'r');
if (!$file_conf) {
exit('Error opening the file '.CONF_FILE);
}
while (!feof($file_conf)) {
$tampon = fgets($file_conf, 4096);
if ((strpos($tampon, '=') !== false) && (substr($tampon, 0, 1) !== '#')) {
$tmp = explode('=', $tampon);
$conf[$tmp[0]] = trim($tmp[1]);
}
}
fclose($file_conf);
$organisme = trim($conf["ORGANISM"]);
$hostname = trim($conf["HOSTNAME"]).'.'.trim($conf["DOMAIN"]);
$network_pb = False; # "alcasar-watchdog.sh" changes this value if a network issue is detected
$diagnostic = "can't contact the default router"; # "alcasar-watchdog.sh" changes this value if a network issue is detected
$cert_add = "http://$hostname/certs";
$direct_access = False;
$display_menu=False;
$remote_ip = preg_match('#^([0-9]{1,3}\.){3}[0-9]{1,3}$#', $_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"; # Default redirection for HTTPS interception (beware, this website must run in HTTP)
# Retrieve the user info behind the remote ip
exec ("sudo /usr/sbin/chilli_query list | grep -Ew $remote_ip" , $tab);
$user = explode (" ", $tab[0]);
# Test if it's a direct connexion to ALCASAR
if (isset($_SERVER['HTTP_HOST']) && (($_SERVER['HTTP_HOST'] === $_SERVER['SERVER_ADDR']) || ($_SERVER['HTTP_HOST'] === 'alcasar') || ($_SERVER['HTTP_HOST'] === $hostname) || ($_SERVER['HTTP_HOST'] === $organisme))) {
$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 ".$time[2]." s";
}
# if user need to be warned
if(isset($_GET['warn']) && isset($_GET['url']))
{
$direct_access = False;
}
if ((isset ($user[4])) && ($user[4] != "0")){ # the user is authenticated
if(isset($_GET['redirect'])) # if user has been warned, we redirect him to his website
{
header('Location: '.$_GET['url'], true, 307);
exit;
}
# we retrieve his three last connections
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);
if ($link){
$res = @da_sql_query($link,$config,$sql);
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 # the user isn't authenticated
{
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 first stage of the interception
$display_menu = True; # Display menu for user not_auth_yet
if (!isset($_SERVER['HTTPS'])){ # In HTTP, the user is redirected on it's home page. In HTTPS, it's on the default page (see $redirect_link)
$redirect_link = $_SERVER['HTTP_HOST'];
}
}
if(isset($_GET['url'])){ # it's the second stage (when user has clicked on the button "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)
$redir = "http://".$_GET['url'];
header("Location: $redir",TRUE,307);
exit;
}
if ($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 séurité (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.";
$l_sms_access = "<a href=\"https://$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 sécurité 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>$nb_connection_history dernières connexions :$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 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";
$l_explain_warn = "L'administrateur a créé une archive contenant vos journaux de connexion dans le cadre d'une affaire judiciaire.";
if(isset($_GET['url'])){
$l_continue_link = "<a href=\"index.php?redirect=1&url=".urlencode($_GET['url'])."\" class=\"button\">Je comprends et je souhaite continuer ma navigation.</a>";
}
else{
$l_continue_link = "<a href=\"index.php\" class=\"button\">Je comprends et je souhaite continuer ma navigation.</a>";
}
$l_title_warn="Cher utilisateur, ";
$l_explain_warn_name="Une personne sous le nom de ";
$l_explain_warn_ip="sous cette IP : ";
$l_explain_warn_date="a consulté vos journaux de connexion le ";
$l_explain_warn_reason="Raison invoquée : ";
$l_uam_domain = "Sites autorisés : ";
}
else if($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";
$l_sms_access = "<a href=\"https://$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>$nb_connection_history logins últimos :$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";
$l_explain_warn = "El administrador ha creado un archivo que contiene los periódicos de inicio de sesión como parte de un proceso judicial.";
if(isset($_GET['url'])){
$l_continue_link = "<a href=\"index.php?redirect=1&url=".urlencode($_GET['url'])."\" class=\"button\">Lo comprendo y deseo continuar mi navegación.</a>";
}
else{
$l_continue_link = "<a href=\"index.php\" class=\"button\">Lo comprendo y deseo continuar mi navegación.</a>";
}
$l_title_warn="Estimado usuario,";
$l_explain_warn_name="El usario ";
$l_explain_warn_ip="con este IP : ";
$l_explain_warn_date="consultó a sus registros de conexión el ";
$l_explain_warn_reason="con la siguiente razón : ";
$l_uam_domain = "Sites autorizados : ";
}
else if($Language == 'zn'){
$l_access_denied = "访问控制";
$l_access_welcome = "欢迎来到ALCASAR";
$l_access_unavailable = "不可访问";
$l_required_domain = "访问的网站";
$l_explain_acc_access = "管理中心能管理门户，您必须通过超级用户或者管理用户来访问。";
$l_explain_access_deny = "您试图访问一个含有不当信息的资源。";
$l_explain_net_pb = "您的门户检测因特网不可用。";
$l_contact_access_deny = "如果您认为该过滤不当，请联系安全负责人(OSSI/RSSI)。";
$l_contact_net_pb = "请联系IT负责人或网络服务商来了解更多信息。";
$l_sms_access = "<a href=\"https://$hostname/autoregistrationinfo.php\">短信自动登录 </a>";
$l_install_certif = "<a href=\"$cert_add/certificat_alcasar_ca.der\">安装根证书 </a>";
$l_install_certif_more = "<a href=\"$cert_add/certificat_alcasar_ca.der\">安装根证书 </a>";
$l_certif_explain = "允许您的计算机与ALCASAR门户进行安全数据交换。<BR>如果该证书未包含在您的计算机中，您的浏览器将出现一些安全提醒。<br><br>";
$l_certif_explain_help = "<a href=\"alcasar-certificat.pdf\" target=\"_blank\">额外帮助</a>";
$l_category = "类别 :";
if ((isset ($user[4])) && ($user[4] == "0")){
$l_logout_explain = "您的系统目前没有打开任何网络咨询进程。";
$l_logout = "<a href=\"http://$hostname/index.php?url=$redirect_link\">打开一个网络进程</a>";
}
else{
if ($user[5] != $user[0]){ # authentication exception or not
$l_logout_explain = "关闭当前连接进程。<br> 已连接用户:<a href=\"http://$hostname:3990/logoff\" title=\" $user[5]\"><b>$user[5]</b></a><br><br>$nb_connection_history 最后连接 :$connection_history";
$l_logout = "<a href=\"http://$hostname:3990/logoff\">断开网络</a>";
}
else{
$l_logout_explain = "您的系统($user[5])验证例外<br><br>$nb_connection_history 最后连接: $connection_history";
$l_logout = "连接信息";
}
}
$l_password_change = "<a href=\"https://$hostname/pass\">更改您的密码</a>";
$l_password_change_explain = "重新指向密码修改页面。<br><br> 您需要一个可用的网络账户。";
$l_sms_explain = "重新指向短信登录页面。<br><br><strong>用户名:</strong>您的电话号码<br><strong>密码:</strong>您的信息";
$l_back_page = "<a href=\"javascript:history.back()\">上一页</a>";
$l_service_sms = "短信服务可用";
$l_service_sms_n = "短信服务禁用";
$l_acc_sms = "短信自动注册";
$l_explain_warn = "管理员创建了一份可用于司法调查的连接日志文档。";
if(isset($_GET['url'])){
$l_continue_link = "<a href=\"index.php?redirect=1&url=".urlencode($_GET['url'])."\" class=\"button\">我明白并希望继续浏览。</a>";
}
else{
$l_continue_link = "<a href=\"index.php\" class=\"button\">我明白并希望继续浏览。</a>";
}
$l_title_warn="亲爱的用户,";
$l_explain_warn_name="一人名为";
$l_explain_warn_ip="在此IP:";
$l_explain_warn_date="查看您的连接日志于";
$l_explain_warn_reason=" 如下原因:";
$l_uam_domain = "授权网站 : ";
}
else if ($Language == 'ar'){
$l_access_denied = "مراقبة الدخول";
$l_access_welcome = "ALCASAR مرحبا بك في";
$l_access_unavailable = "الدخول غير متوفر";
$l_required_domain = "موقع إنترنيت مطلوب";
$l_explain_acc_access = "مركز التحكم يمكنك من إدارة البوابة. يلزمك التوفر على حساب الادارة للدخول.";
$l_explain_access_deny = "محاولة لدخول موارد تحتوي على معلومات غير ملائمة المحتوى";
$l_explain_net_pb = "بوابتك تكتشف ان الدخول على الانترنت غير متوفر";
$l_contact_access_deny = "المرجو الاتصال بضابط أمن (OSS / RSS) إذا اعتقدت ان هذه التصفية غير قانونية";
$l_contact_net_pb = "المرجو الاتصال بمدير المعلومات أو مورد الأنترنت للمزيد من المعلومات";
$auto_save_sms_text = "تسجيل ذاتي على";
$l_sms_access = "<a href=\"https://$hostname/autoregistrationinfo.php\">SMS $auto_save_sms_text</a>";
$l_install_certif = "<a href=\"$cert_add/certificat_alcasar_ca.der\">ركب جذر الشهادة</a>";
$install_cert_text = "تركيب شهادة السلطة؛ جذر الكزار";
$l_install_certif_more = "<a href=\"$cert_add/certificat_alcasar_ca.der\">ALCASAR $install_cert_text</a>";
$exchange_data_text = "يمَكن من تبادل البيانات المؤمّنة بين محطة الاستفسار و بوابة الكزار الأسيرة";
$cert_not_saved_text = "إذا لم يتم تسجيل هذه الشهادة على محطة الاستفسار الخاصة بك، فمن الممكن ان يتم إصدار تنبيهات أمنية من متصحفك";
$l_certif_explain = "<br><br>.$cert_not_saved_text<br> .$exchange_data_text";
$l_certif_explain_help = "<a href=\"alcasar-certificat.pdf\" target=\"_blank\">مساعدة إضافية </a>";
$l_category = "فئة :";
if ((isset ($user[4])) && ($user[4] == "0")){
$l_logout_explain = "و لا جلسة استفسار للإنترنت مفتوحة حاليا على نظامك";
$close_session_text = "فتح جلسة الإنترنت";
$l_logout = "<a href=\"http://$hostname/index.php?url=$redirect_link\">$close_session_text</a>";
}
else{
if ($user[5] != $user[0]){ # authentication exception or not
$close_session_text = "إقفال جلسة المستخدم المتصل حاليا";
$user_logged_text = "المستخدم متصل";
$disconnect_user_text = "قطع الاتصال على المستخدم";
$l_logout_explain = "Ferme la session de l'usager actuellement connecté. <br><br>Utilisateur connecté : <a href=\"http://$hostname:3990/logoff\" title=\"Deconnecter l'utilisateur $user[5]\"><b>$user[5]</b></a><br><br>$nb_connection_history dernières connexions :$connection_history";
$logout_internet_text = "قطع الاتصال على الإنترنت";
$l_logout = "<a href=\"http://$hostname:3990/logoff\">$logout_internet_text</a>";
}
else{
$your_system_text = "نظامك";
$auth_except_text = "على توثيق استثنائي";
$last_conn_text = "اتصالات مشاركة";
$l_logout_explain = "$connection_history :$last_conn_text $nb_connection_history<br><br>$auth_except_text ($user[5]) $your_system_text";
$l_logout = "معلومات على الاتصالات ";
}
}
$change_pass_text = "غير كلمتك السرية";
$l_password_change = "<a href=\"https://$hostname/pass\">$change_pass_text</a>";
$redirect_pass_text = "يوجهك على صفحة تغيير الكلمة السرية لحساب الإنترنت الخاص بك";
$valid_account_text = "يجب ان يكون حساب الإنترنت الخاص بك صالحاً";
$l_password_change_explain = "$valid_account_text<br><br>.$redirect_text";
$redirect_sms_text = "يوجهك على الصفحة التفسيرية للتسجيل الذاتي بطريقة";
$login_text = "تسجيل الدخول";
$your_phone_text = "رقم الهاتف الخاص بك";
$pass_text = "كلمة السر";
$your_message_text = "رسالتك";
$l_sms_explain = "$your_message_text <strong>$pass_text</strong><br>$your_phone_text <strong>$login_text</strong><br><br>$redirect_sms_text";
$previous_text = "الصفحة السابقة";
$l_back_page = "<a href=\"javascript:history.back()\">$previous_text</a>";
$l_service_sms = "نشطة SMS خدمة";
$l_service_sms_n = "غير نشطة SMS خدمة";
$l_acc_sms = "تسجيل ذاتي عن طريق SMS";
$l_explain_warn = "المسؤول أنشأ أرشيفاً تحتوي على سجلات الاتصال في إطار تحقيق قضائي";
$understand_text = "أنا متفهم و أريد ان أواصل التصفح";
if(isset($_GET['url'])){
$l_continue_link = "<a href=\"index.php?redirect=1&url=".urlencode($_GET['url'])."\" class=\"button\">$understand_text</a>";
}
else{
$l_continue_link = "<a href=\"index.php\" class=\"button\">$understand_text</a>";
}
$l_title_warn = "عزيزي المستعمل, ";
$l_explain_warn_name = "شخص مسمىٰ ";
$l_explain_warn_ip = "تحت هذا IP: ";
$l_explain_warn_date = "إطّلع على سجلات الاتصال الخاصة بك في";
$l_explain_warn_reason = "السبب المسرّح به: ";
$l_uam_domain = ":المواقع المسموحة ";
}
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";
$l_sms_access = "<a href=\"https://$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";
$l_explain_warn = "The administrator created an archive which contains your imputabilities logs for a judicial investigation.";
if(isset($_GET['url'])){
$l_continue_link = "<a href=\"index.php?redirect=1&url=".urlencode($_GET['url'])."\" class=\"button\">I understand and I wish to continue.</a>";
}
else{
$l_continue_link = "<a href=\"index.php\" class=\"button\">I understand and I wish to continue.</a>";
}
$l_title_warn="Dear user,";
$l_explain_warn_name="Someone called ";
$l_explain_warn_ip="with this IP : ";
$l_explain_warn_date="has read your connexion logs at ";
$l_explain_warn_reason="For this reason : ";
$l_uam_domain = "Authorized websites : ";
}
$l_title = ($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");
exec("sudo /usr/sbin/ipset list not_filtered | grep $remote_ip | wc -l 2>&1", $ipset_not_filtered);
# if user is in "ipset_not_filtered" then he must refresh its dns cache (we are in the interception process)
if (!$direct_access && !$display_menu && ($ipset_not_filtered[0] == '1') && (!$network_pb) && (!isset($_GET['warn']))) {
echo '<!doctype html><html><head><script>window.location.reload(true)</script></head><body></body></html>'; # force DNS request
}
?>
<!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 $l_title; ?></title>
<meta http-equiv="Cache-control" content="no-cache">
<meta http-equiv="Pragma" content="no-cache">
<link rel="stylesheet" href="/css/style_intercept.css" type="text/css">
<script type="text/javascript">
function valoriserDiv5(param){
document.getElementById("box_info").innerHTML = param.innerHTML;
}
</script>
</head>
<body onload="valoriserDiv5(text_conn);">
<?php
if ($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{ # the user is intercepted
# if user need to be warned that someone reads his logs
if (isset($_GET['warn']) && isset($_GET['url']) && $_GET['warn'] == '1') {
echo "
<div id=\"cadre_titre\" class=\"titre_refus\">
<p id=\"acces_controle\" class=\"titre_refus\">$l_title_warn</p>";
}
else{ # the user is blacklisted (or whitelisted)
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$img_organisme"; ?>">
</div>
</div>
<div id="contenu_acces">
<div id="box_url">
<?php
// Search blacklist categories
if ((!$direct_access) && (!$network_pb) && (!isset($_GET['warn']))) {
$pattern = str_replace('www.', '', $_SERVER['HTTP_HOST']);
exec('grep -Re ' . escapeshellarg('^'.$pattern.'$') . " /etc/dansguardian/lists/blacklists/*/domains | cut -d'/' -f6", $output);
$lists = [];
foreach ($output as $line) {
$lists[] = $line;
}
echo $l_required_domain.' : '.htmlspecialchars($_SERVER['HTTP_HOST']);
if (!empty($lists)) {
echo "<br>$l_category ".implode(', ', $lists);
}
}
?>
</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='';
$sms_div_over='';
}
if ($direct_access || $display_menu){
if (!$network_pb){
echo "
<div class=\"box_menu\" id=\"box_conn\" onmouseover=\"valoriserDiv5(text_conn);\">
<span>$l_logout</span>
<img src=\"$img_rep$img_internet\">
</div>";
}
// Read the "Domain allowed" file
$domainAllowedHtml = '';
$tab = file(DOMAIN_ALLOWED_LIST);
if ($tab) { // the file isn't empty
$domainAllowedHtml .= '<p>'.$l_uam_domain.'<br><ul>';
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], '.');
$domainAllowedHtml .= '<li><a href="http://'.trim($domain[1]).'">'.trim($domain_allowed[1]).'</a></li>';
}
}
}
$domainAllowedHtml .= '</ul></p>';
}
echo "
<div class=\"box_menu\" id=\"box_certif\" onmouseover=\"valoriserDiv5(text_certif);\">
<span>$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>
$domainAllowedHtml
<img src=\"$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>
$sms_div_over
<div id=\"box_info\">
</div>";
}
else {
# user need to be warned that someone reads his logs
if(isset($_GET['warn']) && isset($_GET['url']) && $_GET['warn'] === '1'){
$filename = '/var/www/html/acc/backup/log_info.txt';
$l_explain_warn = '';
if (file_exists($filename)) {
$fichier = fopen($filename, 'r');
$content = file($filename);
foreach ($content as $line) {
$infos = explode('|||', $line);
$log_date = $infos[0];
$log_user = $infos[1];
$log_reason = $infos[2];
$log_ip = $infos[3];
}
$l_explain_warn = "$l_explain_warn_name$log_user ($l_explain_warn_ip$log_ip) $l_explain_warn_date$log_date.<br>$l_explain_warn_reason<br>$log_reason";
}
else{
echo "Log error!";
}
echo "
<div id=\"box_refuse\">
<img src=\"$img_rep$img_warning\">
<p>$l_explain_warn</p>
</div>
<div id=\"liens_redir\">
<p>$l_continue_link</p>
</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 : $diagnostic</span>";
}
echo "</div>";
if($direct_access){ # display the admin logo (wheel) at the bottom right
echo "<div id=\"corner\">";
echo "<div id=\"adm\" class=\"corn\">";
echo "<a href=\"https://$hostname/acc/\"><img src=\"$img_rep$img_adm\"></a>";
echo "</div>";
echo "</div>";
}
?>
</body>
</html>