WebSVN – ALCASAR – /web/acc/admin/protocols_filter.php

<!DOCTYPE html "-//W3C//DTD HTML 4.01 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>
<?
# 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 prersonnalisée de protocoles réseau";
  $l_comment="Définissez ici la liste personalisée de protocoles réseau filtrés. Vous pouvez ensuite l'attribuer à des utilisateurs (cf. creation/gestion des utilisateurs).";
  $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 = "Custom network protocols filter";
  $l_comment="You can define here the custom network protocols filtering. Then, You can assign it to a user (see create/manage 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 ($choix)
{
case 'new_port' :
        if (($_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");
        break;
        }
?>
<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><th><?echo "$l_title_proto";?></th></tr>
<tr bgcolor="#FFCC66"><td><img src="/images/pix.gif" width="1" height="2"></td></tr>
</table>
<TABLE width="100%" border=1 cellspacing=0 cellpadding=0>
<tr><td colspan="2" valign="middle" align="left">
<? echo "<CENTER>$l_comment</CENTER>";?>
<tr><td valign="middle" align="center">
<form action='protocols_filter.php' method='POST'>
<table cellspacing=2 cellpadding=3 border=1>
<?
echo "<tr><th>$l_port<th>$l_proto<th>$l_enabled<th>$l_remove</tr>";
// Read and compute the protocols list
$tab=file(SERVICES_LIST);
if ($tab) # the file isn't empty
        {
        foreach ($tab as $line)
                {
                if (trim($line) != '') # the line isn't empty
                        {
                        $proto=explode(" ", $line);
                        $name_svc=trim($proto[0],"#");
                        echo "<tr><td>$proto[1]<td>$name_svc";
                        echo "<td><input type='checkbox' name='chk-$name_svc'";
                        // if the line is commented -> protocol is not allowed
                        if (preg_match('/^#/',$line, $r)) {
                                echo ">";}
                        else {
                                echo "checked>";}
                        echo "<td>";
                        if ($name_svc != "icmp") {
                                echo "<input type='checkbox' name='del-$name_svc'>";}
                        else {
                                echo "&nbsp;";}         
                        echo "</tr>";
                        }
                }
        }
?>
</table>
<input type='hidden' name='choix' value='change_port'>
<input type='submit' value='<?echo"$l_save";?>'>
</form></td><td valign='middle' align='center'>
<form action='protocols_filter.php' method='POST'>
<table cellspacing=2 cellpadding=3 border=1>
<tr><th><?echo"$l_port<th>$l_proto"?></tr>
<tr><td><input type='text' name='add_port' size='5'></td>
<td><input type='text' name='add_proto' size='10'></td>
<td><input type='hidden' name='choix' value='new_port'>
<input type='submit' value='<?echo"$l_add_to_list";?>'></td>
</tr></table>
</form>
</td></tr>
</TABLE>
</BODY>
</HTML>
Subversion Repositories ALCASAR

(root)/web/acc/admin/protocols_filter.php – Rev 2805
