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Rev Author Line No. Line
318 richard 1 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
2 
<HTML><!-- written by Rexy -->
3 
<HEAD>
4 
<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>
8 
<body>
9 
<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
10 
<?
11 
# Choice of language
12 
$Language = 'en';
13 
if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
14 
  $Langue = explode(",",$_SERVER['HTTP_ACCEPT_LANGUAGE']);
15 
  $Language = strtolower(substr(chop($Langue[0]),0,2)); }
16 
if($Language == 'fr'){
372 richard 17 
  $l_title_antivir = "Antivirus de flux WEB";
364 franck 18 
  $l_antivir_on="L'antivirus de flux WEB est actuellement activ&eacute;";
19 
  $l_antivir_off="L'antivirus de flux WEB est actuellement désactiv&eacute;";
318 richard 20 
  $l_switch_antivir_on="Activer l'antivirus";
364 franck 21 
  $l_switch_antivir_off="D&eacute;sactiver l'antivirus";
859 richard 22 
  $l_title_ip_block="Filtrage d'adresses IP";
23 
  $l_ip_address="Adresses IP (ou addresse de réseau) bloquées";
24 
  $l_blocked_ip_address="Adresses IP";
25 
  $l_blocked_ip_address_comment="Commentaires";
26 
  $l_blocked="Bloquée";
27 
  $l_ip_block_explain="Liste des adresses IP (ou adresses IP de réseaux) bloquées";
28 
  $l_remove="Retirer de la liste";
791 richard 29 
  $l_title_proto = "Filtrage de protocoles r&eacute;seau";
372 richard 30 
  $l_netfilter_on="Le filtrage de protocoles r&eacute;seau est actuellement activ&eacute;";
31 
  $l_netfilter_off="Le filtrage de protocoles réseau est actuellement désactiv&eacute";
32 
  $l_switch_on="Activer le filtrage";
33 
  $l_switch_off="D&eacute;sactiver le filtrage";
318 richard 34 
  $l_comment_on="&Agrave; l'exclusion du WEB (port 80), les protocoles r&eacute;seau sont interdits.<BR>Choisissez ci-dessous les protocoles que vous autorisez";
364 franck 35 
  $l_comment_off="(tous les protocoles réseau sont autoris&eacute;s)";
36 
  $l_protocols="Protocoles autoris&eacute;s";
318 richard 37 
  $l_error_open_file="Erreur d'ouverture du fichier";
859 richard 38 
  $l_port="Numéro de port";
39 
  $l_proto="Nom du protocole";
364 franck 40 
  $l_enabled="Autoris&eacute;";
318 richard 41 
  $l_add_to_list="Ajouter &agrave; la liste";
42 
  $l_save_modif="Enregistrer les modifications";
43 
}
44 
else {
372 richard 45 
  $l_title_antivir = "WEB antivirus";
46 
  $l_antivir_on="Actually, the WEB antivirus is on";
47 
  $l_antivir_off="Actually, the WEB antivirus is off";
318 richard 48 
  $l_switch_antivir_on="Switch the antivirus on";
49 
  $l_switch_antivir_off="Switch the antivirus off";
859 richard 50 
  $l_title_ip_block="IP address filter";
51 
  $l_ip_address="IP address (or network IP address)";
52 
  $l_blocked_ip_address="IP addresses";
53 
  $l_blocked_ip_address_comment="Comments";
54 
  $l_blocked="Blocked";
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  $l_ip_block_explain="List of blocked IP addresses (or network IP adresses)";
56 
  $l_remove="Remove from list";
791 richard 57 
  $l_title_proto = "Network protocols filter";
372 richard 58 
  $l_netfilter_on="Actually, the network protocols filter is enable";
59 
  $l_netfilter_off="Actually, the network protocols filter is disable";
60 
  $l_switch_on="Switch the Filter on";
61 
  $l_switch_off="Switch the Filter off";
318 richard 62 
  $l_comment_on="(choose the authorized network protocols)";
859 richard 63 
  $l_comment_on="Except for the WEB (port 80), all protocols are blocked.<BR>Choose in the list below, the protocols you want authorize";
318 richard 64 
  $l_comment_off="(all the network protocols are allowed for authenticated users)";
65 
  $l_protocols="Authorize protocols";
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  $l_error_open_file="Error opening the file";
859 richard 67 
  $l_port="Port number";
68 
  $l_proto="protocol name";
69 
  $l_enabled="Authorized";
318 richard 70 
  $l_add_to_list="Add to the list";
71 
  $l_save_modif="Save modifications";
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}
859 richard 73 
/********************
74 
*  TEST CONF FILES  *
75 
*********************/
76 
define ("SERVICES_LIST", "/usr/local/etc/alcasar-services");
77 
define ("CONF_FILE", "/usr/local/etc/alcasar.conf");
78 
define ("IP_BLOCKED", "/usr/local/etc/alcasar-ip-blocked");
79 
$conf_files=array(SERVICES_LIST,CONF_FILE,IP_BLOCKED);
80 
foreach ($conf_files as $file){
81 
if (!file_exists($file)){
82 
	exit("Requested file ".$file." isn't present");}
83 
if (!is_readable($file)){
84 
	exit("Can't read the file ".$file);}
85 
}
86 
 
318 richard 87 
if (isset($_POST['choix'])){$choix=$_POST['choix'];} else {$choix="";}
88 
switch ($choix)
89 
{
90 
case 'AV_On' :
91 
	exec ("sudo /usr/local/sbin/alcasar-havp.sh -on");
92 
	break;
93 
case 'AV_Off' :
94 
	exec ("sudo /usr/local/sbin/alcasar-havp.sh -off");
95 
	break;
96 
case 'NF_On' :
97 
	exec ("sudo /usr/local/sbin/alcasar-nf.sh -on");
98 
	break;
99 
case 'NF_Off' :
100 
	exec ("sudo /usr/local/sbin/alcasar-nf.sh -off");
101 
	break;
859 richard 102 
case 'new_port' :
318 richard 103 
	if ((trim($_POST['add_port']) != "80") and ($_POST['add_port'] != "") and ($_POST['add_proto'] != "") and (is_numeric($_POST['add_port'])))
104 
		{
860 richard 105 
		$_POST['add_proto'] = str_replace (CHR(32),"-",$_POST['add_proto']);
859 richard 106 
		$tab=file(SERVICES_LIST);
860 richard 107 
		$insert = true;
108 
		if ($tab) // file isn't empty
318 richard 109 
			{
860 richard 110 
			foreach ($tab as $line)  //test if port doesn't already exist
318 richard 111 
				{
859 richard 112 
				$proto_f=explode(" ", $line);
318 richard 113 
				if (trim($_POST['add_port']) == trim($proto_f[1])) {$insert = false;}
114 
				}
115 
			}
860 richard 116 
		if ($insert == true)
117 
			{
118 
			$line = "\n" . "#" . trim($_POST['add_proto']) . " " . trim($_POST['add_port']);
119 
			$pointeur=fopen(SERVICES_LIST,"a");
120 
			fwrite ($pointeur, $line);
121 
			fclose ($pointeur);
122 
			exec ("sudo /usr/local/bin/alcasar-file-clean.sh");
123 
			}
318 richard 124 
		}
125 
	break;
859 richard 126 
case 'new_ip' :
127 
	if (trim($_POST['add_ip']) != "")
128 
		{
860 richard 129 
		$_POST['add_comment'] = str_replace (CHR(32),"-",$_POST['add_comment']);
859 richard 130 
		$tab=file(IP_BLOCKED);
860 richard 131 
		$insert = true;
132 
		if ($tab) // file isn't empty
859 richard 133 
			{
860 richard 134 
			foreach ($tab as $line) // test if IP address doesn't already exist
859 richard 135 
				{
860 richard 136 
				$IP_f=explode(" ", $line);
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				if (trim($_POST['add_ip']) == trim(trim($IP_f[0],"#"))) {$insert = false;}
859 richard 138 
				}
139 
			}
860 richard 140 
		if ($insert == true)
141 
			{
142 
			$line ="\n" . "#".trim($_POST['add_ip']) . " " . trim($_POST['add_comment']);
143 
			$pointeur=fopen(IP_BLOCKED,"a");
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			fwrite ($pointeur, $line);
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			fclose ($pointeur);
146 
			exec ("sudo /usr/local/bin/alcasar-file-clean.sh");
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			}
859 richard 148 
		}
149 
	break;
150 
case 'change_port' :
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	$tab=file(SERVICES_LIST);
318 richard 152 
	if ($tab)
153 
		{
859 richard 154 
// authorize/block protocols
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		$pointeur=fopen(SERVICES_LIST,"w+");
318 richard 156 
		foreach ($tab as $ligne)
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			{
158 
			$proto_f=explode(" ", $ligne);
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			$name_svc1=trim($proto_f[0],"#");
160 
			$actif = False; $remove_line = false;
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			foreach ($_POST as $key => $value)
162 
				{
163 
				if (strstr($key,'del-'))
164 
					{
165 
					$name_svc2 = str_replace('del-','',$key);
166 
					if ($name_svc1 == $name_svc2)
167 
				       		{
168 
						$remove_line = True;
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						}
170 
					}
171 
				if (strstr($key,'chk-'))
172 
					{
173 
					$name_svc2 = str_replace('chk-','',$key);
174 
					if ($name_svc1 == $name_svc2)
175 
				       		{
176 
						$actif = True;
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						break;
178 
						}
179 
					}
180 
				}
181 
			if (! $remove_line)
182 
				{
183 
				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,$line);
186 
				}
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			}
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		fclose($pointeur);
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		}
860 richard 190 
	exec ("sudo /usr/local/bin/alcasar-iptables.sh -on");
318 richard 191 
	break;
859 richard 192 
case 'change_ip' :
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	$tab=file(IP_BLOCKED);
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	if ($tab)
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		{
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// authorize/block IPs
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		$pointeur=fopen(IP_BLOCKED,"w+");
198 
		foreach ($tab as $ligne)
199 
			{
200 
			$ip_f=explode(" ", $ligne);
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			$ip_blocked1=trim($ip_f[0],"#");
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			$actif = False; $remove_line = false;
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			foreach ($_POST as $key => $value)
204 
				{
860 richard 205 
				$key = str_replace ("_",".",$key); // dot are replace by '_' in post request
859 richard 206 
				if (strstr($key,'del-'))
207 
					{
208 
					$ip_blocked2 = str_replace('del-','',$key);
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					if ($ip_blocked1 == $ip_blocked2)
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				       		{
211 
						$remove_line = True;
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						break;
213 
						}
214 
					}
215 
				if (strstr($key,'chk-'))
216 
					{
217 
					$ip_blocked2 = str_replace('chk-','',$key);
218 
					if ($ip_blocked1 == $ip_blocked2)
219 
				       		{
220 
						$actif = True;
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						break;
222 
						}
223 
					}
224 
				}
225 
			if (! $remove_line)
226 
				{
227 
				if (! $actif) {	$line="#$ip_blocked1 $ip_f[1]";}
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				else { $line="$ip_blocked1 $ip_f[1]";}
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				fwrite($pointeur,$line);
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				}
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			}
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		fclose($pointeur);
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		}
860 richard 234 
	exec ("sudo /usr/local/bin/alcasar-iptables.sh");
859 richard 235 
	break;
318 richard 236 
	}
612 richard 237 
# default values
859 richard 238 
if (is_file (CONF_FILE))
612 richard 239 
	{
859 richard 240 
	$tab=file(CONF_FILE);
612 richard 241 
	if ($tab)
242 
		{
243 
		foreach ($tab as $line)
244 
			{
245 
			$field=explode("=", $line);
246 
			if ($field[0] == "PROTOCOLS_FILTERING")	{$PROTOCOLS_FILTERING=trim($field[1]);}
247 
			if ($field[0] == "WEB_ANTIVIRUS")	{$WEB_ANTIVIRUS=trim($field[1]);}
248 
			}
249 
		}
250 
	}
251 
echo "<tr><th>$l_title_antivir</th></tr>";
318 richard 252 
?>
612 richard 253 
<tr bgcolor=#FFCC66><td><img src=/images/pix.gif width=1 height=2></td></tr>
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</TABLE>
318 richard 255 
<TABLE width="100%" border=1 cellspacing=0 cellpadding=0>
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	<tr><td valign="middle" align="left">
257 
<?php
612 richard 258 
if ($WEB_ANTIVIRUS == "on")
318 richard 259 
	{
260 
	echo "<CENTER><H3>$l_antivir_on</H3></CENTER>";
261 
 	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
262 
	echo "<input type=hidden name='choix' value=\"AV_Off\">";
263 
	echo "<input type=submit value=\"$l_switch_antivir_off\">";
264 
}
265 
else
266 
	{
267 
	echo "<CENTER><H3>$l_antivir_off</H3></CENTER>";
268 
 	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
269 
	echo "<input type=hidden name='choix' value=\"AV_On\">";
270 
	echo "<input type=submit value=\"$l_switch_antivir_on\">";
271 
	}
272 
?>
273 
</FORM>
274 
</td></tr>
372 richard 275 
</table>
276 
<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
859 richard 277 
<tr><th><?echo "$l_title_ip_block";?></th></tr>
372 richard 278 
<tr bgcolor="#FFCC66"><td><img src="/images/pix.gif" width="1" height="2"></td></tr>
279 
</table>
859 richard 280 
<table width="100%" border=1 cellspacing=0 cellpadding=1>
281 
<tr><td colspan=2 align="center">
282 
<?
283 
echo "$l_ip_block_explain</td></tr>";
284 
echo "<tr><td align='center' valign='middle'>";
285 
echo "<FORM action='$_SERVER[PHP_SELF]' method='POST'>";
286 
echo "<input type=hidden name='choix' value=\"IP_block_filter\">";
287 
echo "<table cellspacing=2 cellpadding=2 border=1>";
288 
echo "<tr><th>$l_blocked_ip_address<th>$l_blocked_ip_address_comment<th>$l_blocked<th>$l_remove</tr>";
289 
// Read the "IP_block" file
290 
$tab=file(IP_BLOCKED);
291 
if ($tab)  # the file isn't empty
790 richard 292 
	{
859 richard 293 
	foreach ($tab as $line)
294 
		{
295 
		if (trim($line) != '') # the line isn't empty
296 
			{
297 
			$blocked_ip=explode(" ", $line);
298 
			$ip_addr=trim($blocked_ip[0],"#");
860 richard 299 
			$comment=trim($blocked_ip[1]);
300 
			if ($comment ==''){$comment="&nbsp;";}
301 
			echo "<tr><td>$ip_addr<td>$comment";
859 richard 302 
			echo "<td><input type='checkbox' name='chk-$ip_addr'";
303 
			if (preg_match('/^#/',$line, $r)) {
304 
				echo ">";}
305 
			else {
306 
				echo "checked>";}
307 
			echo "<td><input type='checkbox' name='del-$ip_addr'>";
308 
			echo "</tr>";
309 
			}
310 
		}
790 richard 311 
	}
312 
?>
859 richard 313 
</table>
314 
<input type='hidden' name='choix' value='change_ip'>
315 
<input type='submit' value='<?echo"$l_save_modif";?>'>
316 
</form></td><td valign='middle' align='center'>
317 
<form action='<?echo"$_SERVER[PHP_SELF]"?>' method='POST'>
318 
<table cellspacing=2 cellpadding=3 border=1>
319 
<tr><th><?echo"$l_ip_address<th>$l_blocked_ip_address_comment";?>
320 
<td></td></tr>
321 
<tr><td>exemple1 : 15.25.26.27 <br>exemple2 : 18.20.20.0/24</td><td>exemple1 : CERT alert<br>exemple2 : LAN of zombies</td><td></td></tr>
322 
<tr><td><input type='text' name='add_ip' size='17'></td>
323 
<td><input type='text' name='add_comment' size='10'></td>
324 
<input type='hidden' name='choix' value='new_ip'>
325 
<td><input type='submit' value='<?echo"$l_add_to_list";?>'></td>
326 
</tr></table>
327 
</form>
790 richard 328 
</td></tr>
329 
</table>
330 
<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
331 
<tr><th><?echo "$l_title_proto";?></th></tr>
332 
<tr bgcolor="#FFCC66"><td><img src="/images/pix.gif" width="1" height="2"></td></tr>
333 
</table>
334 
<TABLE width="100%" border=1 cellspacing=0 cellpadding=0>
859 richard 335 
<tr>
318 richard 336 
<?
612 richard 337 
if ($PROTOCOLS_FILTERING == "on")
318 richard 338 
	{
859 richard 339 
	echo "<td colspan=\"2\" valign=\"middle\" align=\"left\">";
318 richard 340 
	echo "<CENTER><H3>$l_netfilter_on</H3>$l_comment_on</CENTER>";
341 
	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
342 
	echo "<input type=hidden name='choix' value=\"NF_Off\">";
343 
	echo "<input type=submit value=\"$l_switch_off\">";
859 richard 344 
	echo "</FORM></td></tr>";
345 
	require ('net_filter2.php');
318 richard 346 
	}
347 
else
348 
	{
859 richard 349 
	echo "<td valign=\"middle\" align=\"left\">";
318 richard 350 
	echo "<CENTER><H3>$l_netfilter_off</H3>$l_comment_off</CENTER>";
351 
 	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
352 
	echo "<input type=hidden name='choix' value=\"NF_On\">";
353 
	echo "<input type=submit value=\"$l_switch_on\">";
859 richard 354 
	echo "</FORM></td></tr>";
355 
	echo "</table></body></html>";
318 richard 356 
	}
357 
?>