Subversion Repositories ALCASAR

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1521 richard 1
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML><!-- written by Rexy -->
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<HEAD>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<TITLE>Network Filter</TITLE>
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<link rel="stylesheet" href="/css/style.css" type="text/css">
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</HEAD>
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<body>
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<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
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<?
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# Choice of language
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$Language = 'en';
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if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
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  $Langue = explode(",",$_SERVER['HTTP_ACCEPT_LANGUAGE']);
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  $Language = strtolower(substr(chop($Langue[0]),0,2)); }
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if($Language == 'fr'){
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  $l_remove="Retirer de la liste";
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  $l_title_proto = "Filtrage de protocoles r&eacute;seau";
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  $l_protocolsfilter_on="Le filtrage de protocoles r&eacute;seau est actuellement activ&eacute;";
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  $l_protocolsfilter_off="Le filtrage de protocoles réseau est actuellement désactiv&eacute";
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  $l_switch_on="Activer le filtrage";
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  $l_switch_off="D&eacute;sactiver le filtrage";
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  $l_comment_on="&Agrave; l'exclusion du WEB (port 80), les protocoles r&eacute;seaux sont interdits.<BR>Choisissez ci-dessous les protocoles que vous autorisez";
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  $l_comment_off="(tous les protocoles réseau sont autoris&eacute;s)";
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  $l_protocols="Protocoles autoris&eacute;s";
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  $l_error_open_file="Erreur d'ouverture du fichier";
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  $l_port="Numéro de port";
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  $l_proto="Nom du protocole";
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  $l_enabled="Autoris&eacute;";
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  $l_add_to_list="Ajouter &agrave; la liste";
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  $l_save="Enregistrer les modifications";
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}
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else {
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  $l_remove="Remove from list";
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  $l_title_proto = "Network protocols filter";
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  $l_protocolsfilter_on="Actually, the network protocols filter is enable";
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  $l_protocolsfilter_off="Actually, the network protocols filter is disable";
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  $l_switch_on="Switch the Filter on";
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  $l_switch_off="Switch the Filter off";
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  $l_comment_on="(choose the authorized network protocols)";
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  $l_comment_on="Except for the WEB (port 80), all protocols are blocked.<BR>Choose in the list below, the protocols you want authorize";
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  $l_comment_off="(all the network protocols are allowed for authenticated users)";
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  $l_protocols="Authorize protocols";
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  $l_error_open_file="Error opening the file";
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  $l_port="Port number";
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  $l_proto="protocol name";
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  $l_enabled="Authorized";
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  $l_add_to_list="Add to the list";
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  $l_save="Save changes";
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}
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/********************
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*  TEST CONF FILES  *
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*********************/
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define ("SERVICES_LIST", "/usr/local/etc/alcasar-services");
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define ("CONF_FILE", "/usr/local/etc/alcasar.conf");
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$conf_files=array(SERVICES_LIST,CONF_FILE);
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foreach ($conf_files as $file){
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if (!file_exists($file)){
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	exit("Requested file ".$file." isn't present");}
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if (!is_readable($file)){
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	exit("Can't read the file ".$file);}
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}
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/**********************************
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*	Read ALCASAR CONF_FILE    *
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***********************************/
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$ouvre=fopen(CONF_FILE,"r");
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if ($ouvre){
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	while (!feof ($ouvre))
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	{
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		$tampon = fgets($ouvre, 4096);
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		if (strpos($tampon,"=")!==false){
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			$tmp = explode("=",$tampon);
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			$conf[$tmp[0]] = $tmp[1];
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		}
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	}
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	fclose($ouvre);
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}
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if (isset($_POST['choix'])){$choix=$_POST['choix'];} else {$choix="";}
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switch ($choix)
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{
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case 'NF_On' :
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	exec ("sudo /usr/local/sbin/alcasar-nf.sh -on");
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	break;
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case 'NF_Off' :
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	exec ("sudo /usr/local/sbin/alcasar-nf.sh -off");
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	break;
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case 'new_port' :
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	if ((trim($_POST['add_port']) != "80") and ($_POST['add_port'] != "") and ($_POST['add_proto'] != "") and (is_numeric($_POST['add_port'])))
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		{
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		$_POST['add_proto'] = str_replace (CHR(32),"-",$_POST['add_proto']);
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		$tab=file(SERVICES_LIST);
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		$insert = true;
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		if ($tab) // file isn't empty
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			{
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			foreach ($tab as $line)  //test if port doesn't already exist
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				{
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				$proto_f=explode(" ", $line);
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				if (trim($_POST['add_port']) == trim($proto_f[1])) {$insert = false;}
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				}
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			}
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		if ($insert == true) 
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			{
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			$line = "\n" . "#" . trim($_POST['add_proto']) . " " . trim($_POST['add_port']);
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			$pointeur=fopen(SERVICES_LIST,"a");
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			fwrite ($pointeur, $line);
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			fclose ($pointeur);
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			exec ("sudo /usr/local/bin/alcasar-file-clean.sh");
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			}
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		}
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	break;
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case 'change_port' :
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	$tab=file(SERVICES_LIST);
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	if ($tab)
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		{
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// authorize/block protocols
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		$pointeur=fopen(SERVICES_LIST,"w+");
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		foreach ($tab as $ligne)
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			{
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			$proto_f=explode(" ", $ligne);
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			$name_svc1=trim($proto_f[0],"#");
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			$actif = False; $remove_line = false;
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			foreach ($_POST as $key => $value)
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				{
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				if (strstr($key,'del-'))
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					{
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					$name_svc2 = str_replace('del-','',$key);
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					if ($name_svc1 == $name_svc2)
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				       		{
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						$remove_line = True;
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						}
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					}
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				if (strstr($key,'chk-'))
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					{
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					$name_svc2 = str_replace('chk-','',$key);
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					if ($name_svc1 == $name_svc2)
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				       		{
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						$actif = True;
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						break;
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						}
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					}
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				}
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			if (! $remove_line)
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				{
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				if (! $actif) {	$line="#$name_svc1 $proto_f[1]";}
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				else { $line="$name_svc1 $proto_f[1]";}
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				fwrite($pointeur,$line);
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				}
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			}
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		fclose($pointeur);
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		}
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	exec ("sudo /usr/local/bin/alcasar-iptables.sh -on");
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	break;
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	}
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# default values
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if (is_file (CONF_FILE))
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	{
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	$tab=file(CONF_FILE);
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	if ($tab)
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		{
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		foreach ($tab as $line)
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			{
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			$field=explode("=", $line);
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			if ($field[0] == "PROTOCOLS_FILTERING")	{$PROTOCOLS_FILTERING=trim($field[1]);}
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			}
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		}
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	}
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?>
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<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><th><?echo "$l_title_proto";?></th></tr>
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<tr bgcolor="#FFCC66"><td><img src="/images/pix.gif" width="1" height="2"></td></tr>
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</table>
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<TABLE width="100%" border=1 cellspacing=0 cellpadding=0>
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<tr>
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<?
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if ($PROTOCOLS_FILTERING == "on")
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	{
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	echo "<td colspan=\"2\" valign=\"middle\" align=\"left\">";
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	echo "<CENTER><H3>$l_protocolsfilter_on</H3>$l_comment_on</CENTER>";
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	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
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	echo "<input type=hidden name='choix' value=\"NF_Off\">";
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	echo "<input type=submit value=\"$l_switch_off\">";
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	echo "</FORM></td></tr>";
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	require ('protocols_filter2.php');
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	}
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else
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	{
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	echo "<td valign=\"middle\" align=\"left\">";
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	echo "<CENTER><H3>$l_protocolsfilter_off</H3>$l_comment_off</CENTER>";
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 	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
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	echo "<input type=hidden name='choix' value=\"NF_On\">";
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	echo "<input type=submit value=\"$l_switch_on\">";
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	echo "</FORM></td></tr>";
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	echo "</table></body></html>";
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	}
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?>