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-rwxr-xr-xconfig/pf-blocker/pfblocker.inc402
1 files changed, 402 insertions, 0 deletions
diff --git a/config/pf-blocker/pfblocker.inc b/config/pf-blocker/pfblocker.inc
new file mode 100755
index 00000000..5844f3d1
--- /dev/null
+++ b/config/pf-blocker/pfblocker.inc
@@ -0,0 +1,402 @@
+<?php
+/*
+ countryblock.inc
+ part of the Postfix package for pfSense
+ Copyright (C) 2010 Erik Fonnesbeck
+ Copyright (C) 2011 Marcello Coutinho
+
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+*/
+require_once("util.inc");
+require_once("functions.inc");
+require_once("pkg-utils.inc");
+require_once("globals.inc");
+require_once("filter.inc");
+
+function cb_text_area_decode($text){
+ return preg_replace('/\r\n/', "\n",base64_decode($text));
+}
+
+function cb_get_real_interface_address($iface) {
+ global $config;
+ $iface = convert_friendly_interface_to_real_interface_name($iface);
+ $line = trim(shell_exec("ifconfig $iface | grep inet | grep -v inet6"));
+ list($dummy, $ip, $dummy2, $netmask) = explode(" ", $line);
+ return array($ip, long2ip(hexdec($netmask)));
+}
+
+function sync_package_countryblock() {
+ global $config;
+ $countryblock_config=$config['installedpackages']['countryblock']['config'][0];
+ $continents= array("Africa","Antartica","Asia","Europe","North America","Oceania","South America");
+
+ #get local web gui configuration
+ $web_local=($config['system']['webgui']['protocol'] != ""?$config['system']['webgui']['protocol']:"http");
+ $port = $config['system']['webgui']['port'];
+ if($port == "") {
+ if($config['system']['webgui']['protocol'] == "http")
+ $port = "80";
+ else
+ $port = "443";
+ }
+ $web_local .= "://127.0.0.1:".$port.'/countryblock.php';
+
+ #get all selected countries
+ $countries=$config['installedpackages']['countryblock']['config'][0]['topspammers'].",";
+ foreach ($continents as $continent){
+ if (is_array($config['installedpackages']['countryblock'.strtolower(preg_replace('/ /','',$continent))]['config']))
+ $countries.=$config['installedpackages']['countryblock'.strtolower(preg_replace('/ /','',$continent))]['config'][0]['countries'].",";
+ }
+ $cb_files = explode(",", $countries);
+ $ips="";
+ foreach ($cb_files as $iso){
+ if ($iso <> ""){
+ if (file_exists('/usr/local/pkg/countryblock/'.$iso.'.txt'))
+ $ips.=file_get_contents('/usr/local/pkg/countryblock/'.$iso.'.txt');
+ }
+ }
+ #create all ip block lists based on gui
+ file_put_contents('/usr/local/pkg/cb.txt',$ips, LOCK_EX);
+
+ #write white_list to filesystem
+ file_put_contents('/usr/local/pkg/cbw.txt',cb_text_area_decode($countryblock_config['whitelist']), LOCK_EX);
+
+ #edit or assign alias "Countryblock" and "CountryblockWL"
+ $aliases=$config['aliases']['alias'];
+ #print "<pre>";
+ $new_aliases=array();
+ if ($ips != ""){
+ #create or reaply alias
+ $new_aliases[]=array("name"=> 'Countryblock',
+ "url"=> $web_local.'?cb=1',
+ "updatefreq"=> "7",
+ "address"=>"",
+ "descr"=> "Countryblock deny list",
+ "type"=> "urltable",
+ "detail"=> "DO NOT EDIT THIS ALIAS");
+ #force alias file update
+ if (! is_dir('/var/db/aliastables/'))
+ mkdir ('/var/db/aliastables/',0755);
+ if (file_exists('/var/db/aliastables/Countryblock.txt'))
+ file_put_contents('/var/db/aliastables/Countryblock.txt',$ips, LOCK_EX);
+ }
+ else{
+ #remove previous aliastable if exist
+ if (file_exists('/var/db/aliastables/Countryblock.txt'))
+ unlink('/var/db/aliastables/Countryblock.txt');
+ }
+
+ if (cb_text_area_decode($countryblock_config['whitelist']) != ""){
+ #create or reaply alias
+ $new_aliases[]=array("name"=> 'CountryblockWL',
+ "url"=> $web_local.'?cbw=1',
+ "updatefreq"=> "7",
+ "address"=>"",
+ "descr"=> "Countryblock white list",
+ "type"=> "urltable",
+ "detail"=> "DO NOT EDIT THIS ALIAS");
+ #force alias file update
+ if (! is_dir('/var/db/aliastables/'))
+ mkdir ('/var/db/aliastables/',0755);
+ if (file_exists('/var/db/aliastables/CountryblockWL.txt'))
+ file_put_contents('/var/db/aliastables/CountryblockWL.txt',cb_text_area_decode($countryblock_config['whitelist']), LOCK_EX);
+ }
+ else{
+ #remove previous aliastable if exist
+ if (file_exists('/var/db/aliastables/CountryblockWL.txt'))
+ unlink('/var/db/aliastables/CountryblockWL.txt');
+ }
+
+ if (is_array($aliases))
+ foreach($aliases as $cbalias){
+ if (! preg_match("/Countryblock.*list/",$cbalias['descr']))
+ $new_aliases[]= $cbalias;
+ }
+ $config['aliases']['alias']=$new_aliases;
+ # check contryblock filter options
+ $rules=$config['filter']['rule'];
+ $ifaces = $countryblock_config['inbound_interface'];
+ foreach (explode(",", $ifaces) as $i => $iface) {
+ if (cb_text_area_decode($countryblock_config['whitelist']) != ""){
+ ${$iface}[0]=array("id" => "",
+ "type"=>"pass",
+ "tag"=> "",
+ "interface" => $iface,
+ "tagged"=> "",
+ "max"=> "",
+ "max-src-nodes"=>"",
+ "max-src-conn"=> "",
+ "max-src-states"=>"",
+ "statetimeout"=>"",
+ "statetype"=>"keep state",
+ "os"=> "",
+ "source"=>array("address"=>"CountryblockWL"),
+ "destination"=>array("any"=>""),
+ "descr"=>"Countryblock inbound whitelist rule");
+
+ if ($countryblock_config['enable_log'])
+ ${$iface}[0]["log"]="";
+ }
+ if ($ips != ""){
+ ${$iface}[1]=array( "id" => "",
+ "type"=>"block",
+ "tag"=> "",
+ "interface" => $iface,
+ "tagged"=> "",
+ "max"=> "",
+ "max-src-nodes"=>"",
+ "max-src-conn"=> "",
+ "max-src-states"=>"",
+ "statetimeout"=>"",
+ "statetype"=>"keep state",
+ "os"=> "",
+ "source"=>array("address"=>"Countryblock"),
+ "destination"=>array("any"=>""),
+ "descr"=>"Countryblock inbound deny rule");
+
+ if ($countryblock_config['enable_log'])
+ ${$iface}[1]["log"]="";
+ }
+ }
+ $ifaces = $countryblock_config['outbound_interface'];
+ foreach (explode(",", $ifaces) as $i => $iface) {
+ if (cb_text_area_decode($countryblock_config['whitelist']) != ""){
+ ${$iface}[2]=array( "id" => "",
+ "type"=>"pass",
+ "tag"=> "",
+ "interface" => $iface,
+ "tagged"=> "",
+ "max"=> "",
+ "max-src-nodes"=>"",
+ "max-src-conn"=> "",
+ "max-src-states"=>"",
+ "statetimeout"=>"",
+ "statetype"=>"keep state",
+ "os"=> "",
+ "source"=>array("any"=>""),
+ "destination"=>array("address"=>"CountryblockWL"),
+ "descr"=>"Countryblock outbound whitelist rule");
+ if ($countryblock_config['enable_log'])
+ ${$iface}[2]["log"]="";
+ }
+ if ($ips != ""){
+ ${$iface}[3]= array("id" => "",
+ "type"=>"block",
+ "tag"=> "",
+ "interface" => $iface,
+ "tagged"=> "",
+ "max"=> "",
+ "max-src-nodes"=>"",
+ "max-src-conn"=> "",
+ "max-src-states"=>"",
+ "statetimeout"=>"",
+ "statetype"=>"keep state",
+ "os"=> "",
+ "source"=>array("any"=>""),
+ "destination"=>array("address"=>"Countryblock"),
+ "descr"=>"Countryblock inbound deny rule");
+ if ($countryblock_config['enable_log'])
+ ${$iface}[3]["log"]="";
+
+ }
+
+ }
+ $last_iface="";
+ foreach ($rules as $rule){
+ if ($rule['interface'] <> $last_iface){
+ $last_iface = $rule['interface'];
+ #apply countryblock rules if enabled
+ if ($config['installedpackages']['countryblock']['config'][0]['enable_cb'] == "on" && is_array(${$rule['interface']}))
+ foreach (${$rule['interface']} as $cb_rules)
+ $new_rules[]=$cb_rules;
+ }
+ if (!preg_match("/Countryblock.*rule/",$rule['descr']))
+ $new_rules[]=$rule;
+ }
+ $config['filter']['rule']=$new_rules;
+
+ #save and apply all changes
+ write_config();
+ filter_configure();
+
+ countryblock_sync_on_changes();
+}
+
+function countryblock_validate_input($post, &$input_errors) {
+ foreach ($post as $key => $value) {
+ if (empty($value))
+ continue;
+ if($key == "greet_time" && !preg_match("/(\d+),(\d+)(s|m|h|w)/",$value))
+ $input_errors[] = "Wrong greet time sintax.";
+ if($key == "message_size_limit" && !is_numeric($value))
+ $input_errors[] = "Message size limit must be numeric.";
+ if($key == "process_limit" && !is_numeric($value))
+ $input_errors[] = "Process limit must be numeric.";
+ if($key == "freq" && (!preg_match("/^\d+(h|m|d)$/",$value) || $value == 0))
+ $input_errors[] = "A valid number with a time reference is required for the field 'Frequency'";
+ if (substr($key, 0, 2) == "dc" && !is_hostname($value))
+ $input_errors[] = "{$value} is not a valid host name.";
+ if (substr($key, 0, 6) == "domain" && is_numeric(substr($key, 6))) {
+ if (!is_domain($value))
+ $input_errors[] = "{$value} is not a valid domain name.";
+ } else if (substr($key, 0, 12) == "mailserverip" && is_numeric(substr($key, 12))) {
+ if (empty($post['domain' . substr($key, 12)]))
+ $input_errors[] = "Domain for {$value} cannot be blank.";
+ if (!is_ipaddr($value) && !is_hostname($value))
+ $input_errors[] = "{$value} is not a valid IP address or host name.";
+ }
+ }
+}
+
+function countryblock_php_install_command() {
+ include_once '/usr/local/www/countryblock.php';
+ countryblock_get_countries();
+ sync_package_countryblock();
+}
+
+function countryblock_php_deinstall_command() {
+ global $config;
+ $config['installedpackages']['countryblock']['config'][0]['enable_cb']="";
+ write_config();
+ sync_package_countryblock();
+}
+
+/* Uses XMLRPC to synchronize the changes to a remote node */
+function countryblock_sync_on_changes() {
+ global $config, $g;
+ log_error("[countryblock] countryblock_xmlrpc_sync.php is starting.");
+ $synconchanges = $config['installedpackages']['countryblocksync']['config'][0]['synconchanges'];
+ if(!$synconchanges)
+ return;
+ foreach ($config['installedpackages']['countryblocksync']['config'] as $rs ){
+ foreach($rs['row'] as $sh){
+ $sync_to_ip = $sh['ipaddress'];
+ $password = $sh['password'];
+ if($password && $sync_to_ip)
+ countryblock_do_xmlrpc_sync($sync_to_ip, $password);
+ }
+ }
+ log_error("[countryblock] countryblock_xmlrpc_sync.php is ending.");
+}
+
+/* Do the actual XMLRPC sync */
+function countryblock_do_xmlrpc_sync($sync_to_ip, $password) {
+ global $config, $g;
+
+ if(!$password)
+ return;
+
+ if(!$sync_to_ip)
+ return;
+
+ $xmlrpc_sync_neighbor = $sync_to_ip;
+ if($config['system']['webgui']['protocol'] != "") {
+ $synchronizetoip = $config['system']['webgui']['protocol'];
+ $synchronizetoip .= "://";
+ }
+ $port = $config['system']['webgui']['port'];
+ /* if port is empty lets rely on the protocol selection */
+ if($port == "") {
+ if($config['system']['webgui']['protocol'] == "http")
+ $port = "80";
+ else
+ $port = "443";
+ }
+ $synchronizetoip .= $sync_to_ip;
+
+ /* xml will hold the sections to sync */
+ $xml = array();
+ $xml['countryblock'] = $config['installedpackages']['countryblock'];
+ $xml['countryblockafrica'] = $config['installedpackages']['countryblockafrica'];
+ $xml['countryblockantartica'] = $config['installedpackages']['countryblockantartica'];
+ $xml['countryblockasia'] = $config['installedpackages']['countryblockasia'];
+ $xml['countryblockeurope'] = $config['installedpackages']['countryblockeurope'];
+ $xml['countryblocknorthamerica'] = $config['installedpackages']['countryblocknorthamerica'];
+ $xml['countryblockoceania'] = $config['installedpackages']['countryblockoceania'];
+ $xml['countryblocksouthamerica'] = $config['installedpackages']['countryblocksouthamerica'];
+ /* assemble xmlrpc payload */
+ $params = array(
+ XML_RPC_encode($password),
+ XML_RPC_encode($xml)
+ );
+
+ /* set a few variables needed for sync code borrowed from filter.inc */
+ $url = $synchronizetoip;
+ log_error("Beginning countryblock XMLRPC sync to {$url}:{$port}.");
+ $method = 'pfsense.merge_installedpackages_section_xmlrpc';
+ $msg = new XML_RPC_Message($method, $params);
+ $cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
+ $cli->setCredentials('admin', $password);
+ if($g['debug'])
+ $cli->setDebug(1);
+ /* send our XMLRPC message and timeout after 250 seconds */
+ $resp = $cli->send($msg, "250");
+ if(!$resp) {
+ $error = "A communications error occurred while attempting countryblock XMLRPC sync with {$url}:{$port}.";
+ log_error($error);
+ file_notice("sync_settings", $error, "countryblock Settings Sync", "");
+ } elseif($resp->faultCode()) {
+ $cli->setDebug(1);
+ $resp = $cli->send($msg, "250");
+ $error = "An error code was received while attempting countryblock XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
+ log_error($error);
+ file_notice("sync_settings", $error, "countryblock Settings Sync", "");
+ } else {
+ log_error("countryblock XMLRPC sync successfully completed with {$url}:{$port}.");
+ }
+
+ /* tell countryblock to reload our settings on the destionation sync host. */
+ $method = 'pfsense.exec_php';
+ $execcmd = "require_once('/usr/local/pkg/countryblock.inc');\n";
+ $execcmd .= "sync_package_countryblock();";
+
+ /* assemble xmlrpc payload */
+ $params = array(
+ XML_RPC_encode($password),
+ XML_RPC_encode($execcmd)
+ );
+
+ log_error("countryblock XMLRPC reload data {$url}:{$port}.");
+ $msg = new XML_RPC_Message($method, $params);
+ $cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
+ $cli->setCredentials('admin', $password);
+ $resp = $cli->send($msg, "250");
+ if(!$resp) {
+ $error = "A communications error occurred while attempting countryblock XMLRPC sync with {$url}:{$port} (pfsense.exec_php).";
+ log_error($error);
+ file_notice("sync_settings", $error, "countryblock Settings Sync", "");
+ } elseif($resp->faultCode()) {
+ $cli->setDebug(1);
+ $resp = $cli->send($msg, "250");
+ $error = "An error code was received while attempting countryblock XMLRPC exec with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
+ log_error($error);
+ file_notice("sync_settings", $error, "countryblock Settings Sync", "");
+ } else {
+ log_error("countryblock XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php).");
+ }
+
+}
+
+?>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 08:37:10 +0000