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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><!-- written by Rexy -->
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<TITLE>Network Filter</TITLE>
<link rel="stylesheet" href="/css/style.css" type="text/css">
</HEAD>
<body>
<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
<?
# 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 == 'fr'){
$l_remove="Retirer de la liste";
$l_title_proto = "Filtrage de protocoles réseau";
$l_protocolsfilter_on="Le filtrage de protocoles réseau est actuellement activé";
$l_protocolsfilter_off="Le filtrage de protocoles réseau est actuellement désactivé";
$l_switch_on="Activer le filtrage";
$l_switch_off="Désactiver le filtrage";
$l_comment_on="À l'exclusion du WEB (port 80), les protocoles réseaux sont interdits.<BR>Choisissez ci-dessous les protocoles que vous autorisez";
$l_comment_off="(tous les protocoles réseau sont autorisés)";
$l_protocols="Protocoles autorisés";
$l_error_open_file="Erreur d'ouverture du fichier";
$l_port="Numéro de port";
$l_proto="Nom du protocole";
$l_enabled="Autorisé";
$l_add_to_list="Ajouter à la liste";
$l_save="Enregistrer les modifications";
}
else {
$l_remove="Remove from list";
$l_title_proto = "Network protocols filter";
$l_protocolsfilter_on="Actually, the network protocols filter is enable";
$l_protocolsfilter_off="Actually, the network protocols filter is disable";
$l_switch_on="Switch the Filter on";
$l_switch_off="Switch the Filter off";
$l_comment_on="(choose the authorized network protocols)";
$l_comment_on="Except for the WEB (port 80), all protocols are blocked.<BR>Choose in the list below, the protocols you want authorize";
$l_comment_off="(all the network protocols are allowed for authenticated users)";
$l_protocols="Authorize protocols";
$l_error_open_file="Error opening the file";
$l_port="Port number";
$l_proto="protocol name";
$l_enabled="Authorized";
$l_add_to_list="Add to the list";
$l_save="Save changes";
}
/********************
* TEST CONF FILES *
*********************/
define ("SERVICES_LIST", "/usr/local/etc/alcasar-services");
define ("CONF_FILE", "/usr/local/etc/alcasar.conf");
$conf_files=array(SERVICES_LIST,CONF_FILE);
foreach ($conf_files as $file){
if (!file_exists($file)){
exit("Requested file ".$file." isn't present");}
if (!is_readable($file)){
exit("Can't read the file ".$file);}
}
/**********************************
* Read ALCASAR 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]] = $tmp[1];
}
}
fclose($ouvre);
}
if (isset($_POST['choix'])){$choix=$_POST['choix'];} else {$choix="";}
switch ($choix)
{
case 'NF_On' :
exec ("sudo /usr/local/bin/alcasar-nf.sh -on");
break;
case 'NF_Off' :
exec ("sudo /usr/local/bin/alcasar-nf.sh -off");
break;
case 'new_port' :
if ((trim($_POST['add_port']) != "80") and ($_POST['add_port'] != "") and ($_POST['add_proto'] != "") and (is_numeric($_POST['add_port'])))
{
$_POST['add_proto'] = str_replace (CHR(32),"-",$_POST['add_proto']);
$tab=file(SERVICES_LIST);
$insert = true;
if ($tab) // file isn't empty
{
foreach ($tab as $line) //test if port doesn't already exist
{
$proto_f=explode(" ", $line);
if (trim($_POST['add_port']) == trim($proto_f[1])) {$insert = false;}
}
}
if ($insert == true)
{
$line = "\n" . "#" . trim($_POST['add_proto']) . " " . trim($_POST['add_port']);
$pointeur=fopen(SERVICES_LIST,"a");
fwrite ($pointeur, $line);
fclose ($pointeur);
exec ("sudo /usr/local/bin/alcasar-file-clean.sh");
}
}
break;
case 'change_port' :
$tab=file(SERVICES_LIST);
if ($tab)
{
// authorize/block protocols
$pointeur=fopen(SERVICES_LIST,"w+");
foreach ($tab as $ligne)
{
$proto_f=explode(" ", $ligne);
$name_svc1=trim($proto_f[0],"#");
$actif = False; $remove_line = false;
foreach ($_POST as $key => $value)
{
if (strstr($key,'del-'))
{
$name_svc2 = str_replace('del-','',$key);
if ($name_svc1 == $name_svc2)
{
$remove_line = True;
}
}
if (strstr($key,'chk-'))
{
$name_svc2 = str_replace('chk-','',$key);
if ($name_svc1 == $name_svc2)
{
$actif = True;
break;
}
}
}
if (! $remove_line)
{
if (! $actif) { $line="#$name_svc1 $proto_f[1]";}
else { $line="$name_svc1 $proto_f[1]";}
fwrite($pointeur,$line);
}
}
fclose($pointeur);
}
exec ("sudo /usr/local/bin/alcasar-iptables.sh -on");
break;
}
# default values
if (is_file (CONF_FILE))
{
$tab=file(CONF_FILE);
if ($tab)
{
foreach ($tab as $line)
{
$field=explode("=", $line);
if ($field[0] == "PROTOCOLS_FILTERING") {$PROTOCOLS_FILTERING=trim($field[1]);}
}
}
}
?>
<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><th><?echo "$l_title_proto";?></th></tr>
<tr bgcolor="#FFCC66"><td><img src="/images/pix.gif" width="1" height="2"></td></tr>
</table>
<TABLE width="100%" border=1 cellspacing=0 cellpadding=0>
<tr>
<?
if ($PROTOCOLS_FILTERING == "on")
{
echo "<td colspan=\"2\" valign=\"middle\" align=\"left\">";
echo "<CENTER><H3>$l_protocolsfilter_on</H3>$l_comment_on</CENTER>";
echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
echo "<input type=hidden name='choix' value=\"NF_Off\">";
echo "<input type=submit value=\"$l_switch_off\">";
echo "</FORM></td></tr>";
require ('protocols_filter2.php');
}
else
{
echo "<td valign=\"middle\" align=\"left\">";
echo "<CENTER><H3>$l_protocolsfilter_off</H3>$l_comment_off</CENTER>";
echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
echo "<input type=hidden name='choix' value=\"NF_On\">";
echo "<input type=submit value=\"$l_switch_on\">";
echo "</FORM></td></tr>";
echo "</table></body></html>";
}
?>