Subversion Repositories ALCASAR

<?php

# $Id: index.php 2136 2017-03-16 23:09:43Z richard $

#

# 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");

/****************************************************************

*			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; # "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'])){

	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 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

	{

		$redir = "http://".$_GET['url'];  

		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>$nb_connection_history last connections :$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 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'])){

		$l_continue_link = "<a href='index.php?redirect=1&url=$_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 : ";

}

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>$nb_connection_history last connections :$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";

	$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'])){

		$l_continue_link = "<a href='index.php?redirect=1&url=$_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 : ";

}

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'])){

		$l_continue_link = "<a href='index.php?redirect=1&url=$_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:";

}

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'])){

		$l_continue_link = "<a href='index.php?redirect=1&url=$_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: ";

}

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'])){

		$l_continue_link = "<a href='index.php?redirect=1&url=$_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 : ";

}

$l_title = ($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{ # the user is intercepted

	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 (($ipset_not_filtered[0] == '1') && (!$network_pb)){

		echo "<script>window.location.reload(true)</script>"; # force DNS request

	}

	# 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 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='';

}

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>";

	}

	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>

			<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 $l_explain_warn_reason$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>