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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">
5 
<TITLE>Network Filter</TITLE>
6 
<link rel="stylesheet" href="/css/style.css" type="text/css">
7 
</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";
861 richard 42 
  $l_save="Enregistrer les modifications";
318 richard 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";
55 
  $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";
66 
  $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";
861 richard 71 
  $l_save="Save changes";
318 richard 72 
}
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 
}
861 richard 86 
/**********************************
87 
*	Read ALCASAR CONF_FILE    *
88 
***********************************/
89 
$ouvre=fopen(CONF_FILE,"r");
90 
if ($ouvre){
91 
	while (!feof ($ouvre))
92 
	{
93 
		$tampon = fgets($ouvre, 4096);
94 
		if (strpos($tampon,"=")!==false){
95 
			$tmp = explode("=",$tampon);
96 
			$conf[$tmp[0]] = $tmp[1];
97 
		}
98 
	}
99 
}else{
100 
	exit("Erreur d'ouverture du fichier ".CONF_FILE);
101 
}
102 
fclose($ouvre);
859 richard 103 
 
318 richard 104 
if (isset($_POST['choix'])){$choix=$_POST['choix'];} else {$choix="";}
105 
switch ($choix)
106 
{
107 
case 'AV_On' :
108 
	exec ("sudo /usr/local/sbin/alcasar-havp.sh -on");
109 
	break;
110 
case 'AV_Off' :
111 
	exec ("sudo /usr/local/sbin/alcasar-havp.sh -off");
112 
	break;
113 
case 'NF_On' :
114 
	exec ("sudo /usr/local/sbin/alcasar-nf.sh -on");
115 
	break;
116 
case 'NF_Off' :
117 
	exec ("sudo /usr/local/sbin/alcasar-nf.sh -off");
118 
	break;
859 richard 119 
case 'new_port' :
318 richard 120 
	if ((trim($_POST['add_port']) != "80") and ($_POST['add_port'] != "") and ($_POST['add_proto'] != "") and (is_numeric($_POST['add_port'])))
121 
		{
860 richard 122 
		$_POST['add_proto'] = str_replace (CHR(32),"-",$_POST['add_proto']);
859 richard 123 
		$tab=file(SERVICES_LIST);
860 richard 124 
		$insert = true;
125 
		if ($tab) // file isn't empty
318 richard 126 
			{
860 richard 127 
			foreach ($tab as $line)  //test if port doesn't already exist
318 richard 128 
				{
859 richard 129 
				$proto_f=explode(" ", $line);
318 richard 130 
				if (trim($_POST['add_port']) == trim($proto_f[1])) {$insert = false;}
131 
				}
132 
			}
860 richard 133 
		if ($insert == true)
134 
			{
135 
			$line = "\n" . "#" . trim($_POST['add_proto']) . " " . trim($_POST['add_port']);
136 
			$pointeur=fopen(SERVICES_LIST,"a");
137 
			fwrite ($pointeur, $line);
138 
			fclose ($pointeur);
139 
			exec ("sudo /usr/local/bin/alcasar-file-clean.sh");
140 
			}
318 richard 141 
		}
142 
	break;
859 richard 143 
case 'new_ip' :
144 
	if (trim($_POST['add_ip']) != "")
145 
		{
860 richard 146 
		$_POST['add_comment'] = str_replace (CHR(32),"-",$_POST['add_comment']);
859 richard 147 
		$tab=file(IP_BLOCKED);
860 richard 148 
		$insert = true;
149 
		if ($tab) // file isn't empty
859 richard 150 
			{
860 richard 151 
			foreach ($tab as $line) // test if IP address doesn't already exist
859 richard 152 
				{
860 richard 153 
				$IP_f=explode(" ", $line);
154 
				if (trim($_POST['add_ip']) == trim(trim($IP_f[0],"#"))) {$insert = false;}
859 richard 155 
				}
156 
			}
860 richard 157 
		if ($insert == true)
158 
			{
159 
			$line ="\n" . "#".trim($_POST['add_ip']) . " " . trim($_POST['add_comment']);
160 
			$pointeur=fopen(IP_BLOCKED,"a");
161 
			fwrite ($pointeur, $line);
162 
			fclose ($pointeur);
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			exec ("sudo /usr/local/bin/alcasar-file-clean.sh");
164 
			}
859 richard 165 
		}
166 
	break;
167 
case 'change_port' :
168 
	$tab=file(SERVICES_LIST);
318 richard 169 
	if ($tab)
170 
		{
859 richard 171 
// authorize/block protocols
172 
		$pointeur=fopen(SERVICES_LIST,"w+");
318 richard 173 
		foreach ($tab as $ligne)
174 
			{
175 
			$proto_f=explode(" ", $ligne);
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			$name_svc1=trim($proto_f[0],"#");
177 
			$actif = False; $remove_line = false;
178 
			foreach ($_POST as $key => $value)
179 
				{
180 
				if (strstr($key,'del-'))
181 
					{
182 
					$name_svc2 = str_replace('del-','',$key);
183 
					if ($name_svc1 == $name_svc2)
184 
				       		{
185 
						$remove_line = True;
186 
						}
187 
					}
188 
				if (strstr($key,'chk-'))
189 
					{
190 
					$name_svc2 = str_replace('chk-','',$key);
191 
					if ($name_svc1 == $name_svc2)
192 
				       		{
193 
						$actif = True;
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						break;
195 
						}
196 
					}
197 
				}
198 
			if (! $remove_line)
199 
				{
200 
				if (! $actif) {	$line="#$name_svc1 $proto_f[1]";}
201 
				else { $line="$name_svc1 $proto_f[1]";}
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				fwrite($pointeur,$line);
203 
				}
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			}
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		fclose($pointeur);
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		}
860 richard 207 
	exec ("sudo /usr/local/bin/alcasar-iptables.sh -on");
318 richard 208 
	break;
859 richard 209 
case 'change_ip' :
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	$tab=file(IP_BLOCKED);
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	if ($tab)
212 
		{
213 
// authorize/block IPs
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		$pointeur=fopen(IP_BLOCKED,"w+");
215 
		foreach ($tab as $ligne)
216 
			{
217 
			$ip_f=explode(" ", $ligne);
218 
			$ip_blocked1=trim($ip_f[0],"#");
219 
			$actif = False; $remove_line = false;
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			foreach ($_POST as $key => $value)
221 
				{
860 richard 222 
				$key = str_replace ("_",".",$key); // dot are replace by '_' in post request
859 richard 223 
				if (strstr($key,'del-'))
224 
					{
225 
					$ip_blocked2 = str_replace('del-','',$key);
226 
					if ($ip_blocked1 == $ip_blocked2)
227 
				       		{
228 
						$remove_line = True;
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						break;
230 
						}
231 
					}
232 
				if (strstr($key,'chk-'))
233 
					{
234 
					$ip_blocked2 = str_replace('chk-','',$key);
235 
					if ($ip_blocked1 == $ip_blocked2)
236 
				       		{
237 
						$actif = True;
238 
						break;
239 
						}
240 
					}
241 
				}
242 
			if (! $remove_line)
243 
				{
244 
				if (! $actif) {	$line="#$ip_blocked1 $ip_f[1]";}
245 
				else { $line="$ip_blocked1 $ip_f[1]";}
246 
				fwrite($pointeur,$line);
247 
				}
248 
			}
249 
		fclose($pointeur);
250 
		}
860 richard 251 
	exec ("sudo /usr/local/bin/alcasar-iptables.sh");
859 richard 252 
	break;
318 richard 253 
	}
612 richard 254 
# default values
859 richard 255 
if (is_file (CONF_FILE))
612 richard 256 
	{
859 richard 257 
	$tab=file(CONF_FILE);
612 richard 258 
	if ($tab)
259 
		{
260 
		foreach ($tab as $line)
261 
			{
262 
			$field=explode("=", $line);
263 
			if ($field[0] == "PROTOCOLS_FILTERING")	{$PROTOCOLS_FILTERING=trim($field[1]);}
264 
			if ($field[0] == "WEB_ANTIVIRUS")	{$WEB_ANTIVIRUS=trim($field[1]);}
265 
			}
266 
		}
267 
	}
268 
echo "<tr><th>$l_title_antivir</th></tr>";
318 richard 269 
?>
612 richard 270 
<tr bgcolor=#FFCC66><td><img src=/images/pix.gif width=1 height=2></td></tr>
271 
</TABLE>
318 richard 272 
<TABLE width="100%" border=1 cellspacing=0 cellpadding=0>
273 
	<tr><td valign="middle" align="left">
274 
<?php
612 richard 275 
if ($WEB_ANTIVIRUS == "on")
318 richard 276 
	{
277 
	echo "<CENTER><H3>$l_antivir_on</H3></CENTER>";
278 
 	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
279 
	echo "<input type=hidden name='choix' value=\"AV_Off\">";
280 
	echo "<input type=submit value=\"$l_switch_antivir_off\">";
281 
}
282 
else
283 
	{
284 
	echo "<CENTER><H3>$l_antivir_off</H3></CENTER>";
285 
 	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
286 
	echo "<input type=hidden name='choix' value=\"AV_On\">";
287 
	echo "<input type=submit value=\"$l_switch_antivir_on\">";
288 
	}
289 
?>
290 
</FORM>
291 
</td></tr>
372 richard 292 
</table>
293 
<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
859 richard 294 
<tr><th><?echo "$l_title_ip_block";?></th></tr>
372 richard 295 
<tr bgcolor="#FFCC66"><td><img src="/images/pix.gif" width="1" height="2"></td></tr>
296 
</table>
859 richard 297 
<table width="100%" border=1 cellspacing=0 cellpadding=1>
298 
<tr><td colspan=2 align="center">
299 
<?
300 
echo "$l_ip_block_explain</td></tr>";
301 
echo "<tr><td align='center' valign='middle'>";
302 
echo "<FORM action='$_SERVER[PHP_SELF]' method='POST'>";
303 
echo "<input type=hidden name='choix' value=\"IP_block_filter\">";
304 
echo "<table cellspacing=2 cellpadding=2 border=1>";
305 
echo "<tr><th>$l_blocked_ip_address<th>$l_blocked_ip_address_comment<th>$l_blocked<th>$l_remove</tr>";
306 
// Read the "IP_block" file
307 
$tab=file(IP_BLOCKED);
308 
if ($tab)  # the file isn't empty
790 richard 309 
	{
859 richard 310 
	foreach ($tab as $line)
311 
		{
312 
		if (trim($line) != '') # the line isn't empty
313 
			{
314 
			$blocked_ip=explode(" ", $line);
315 
			$ip_addr=trim($blocked_ip[0],"#");
860 richard 316 
			$comment=trim($blocked_ip[1]);
317 
			if ($comment ==''){$comment="&nbsp;";}
318 
			echo "<tr><td>$ip_addr<td>$comment";
859 richard 319 
			echo "<td><input type='checkbox' name='chk-$ip_addr'";
320 
			if (preg_match('/^#/',$line, $r)) {
321 
				echo ">";}
322 
			else {
323 
				echo "checked>";}
861 richard 324 
			echo "<td>";
325 
			if (strcmp (trim($ip_addr),trim($conf["PUBLIC_IP"]))) {
326 
				echo "<input type='checkbox' name='del-$ip_addr'>";}
327 
			else {
328 
				echo "&nbsp;";}
859 richard 329 
			echo "</tr>";
330 
			}
331 
		}
790 richard 332 
	}
333 
?>
859 richard 334 
</table>
335 
<input type='hidden' name='choix' value='change_ip'>
861 richard 336 
<input type='submit' value='<?echo"$l_save";?>'>
859 richard 337 
</form></td><td valign='middle' align='center'>
338 
<form action='<?echo"$_SERVER[PHP_SELF]"?>' method='POST'>
339 
<table cellspacing=2 cellpadding=3 border=1>
340 
<tr><th><?echo"$l_ip_address<th>$l_blocked_ip_address_comment";?>
341 
<td></td></tr>
342 
<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>
343 
<tr><td><input type='text' name='add_ip' size='17'></td>
344 
<td><input type='text' name='add_comment' size='10'></td>
345 
<input type='hidden' name='choix' value='new_ip'>
346 
<td><input type='submit' value='<?echo"$l_add_to_list";?>'></td>
347 
</tr></table>
348 
</form>
790 richard 349 
</td></tr>
350 
</table>
351 
<TABLE width="100%" border=0 cellspacing=0 cellpadding=0>
352 
<tr><th><?echo "$l_title_proto";?></th></tr>
353 
<tr bgcolor="#FFCC66"><td><img src="/images/pix.gif" width="1" height="2"></td></tr>
354 
</table>
355 
<TABLE width="100%" border=1 cellspacing=0 cellpadding=0>
859 richard 356 
<tr>
318 richard 357 
<?
612 richard 358 
if ($PROTOCOLS_FILTERING == "on")
318 richard 359 
	{
859 richard 360 
	echo "<td colspan=\"2\" valign=\"middle\" align=\"left\">";
318 richard 361 
	echo "<CENTER><H3>$l_netfilter_on</H3>$l_comment_on</CENTER>";
362 
	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
363 
	echo "<input type=hidden name='choix' value=\"NF_Off\">";
364 
	echo "<input type=submit value=\"$l_switch_off\">";
859 richard 365 
	echo "</FORM></td></tr>";
366 
	require ('net_filter2.php');
318 richard 367 
	}
368 
else
369 
	{
859 richard 370 
	echo "<td valign=\"middle\" align=\"left\">";
318 richard 371 
	echo "<CENTER><H3>$l_netfilter_off</H3>$l_comment_off</CENTER>";
372 
 	echo "<FORM action='$_SERVER[PHP_SELF]' method=POST>";
373 
	echo "<input type=hidden name='choix' value=\"NF_On\">";
374 
	echo "<input type=submit value=\"$l_switch_on\">";
859 richard 375 
	echo "</FORM></td></tr>";
376 
	echo "</table></body></html>";
318 richard 377 
	}
378 
?>