";
		if($config['installedpackages']['pfblockerlists']['config'] != ""){
			foreach($config['installedpackages']['pfblockerlists']['config'] as $list){
				$alias="pfBlocker".preg_replace("/\W/","",$list['aliasname']);
				#print $list['aliasname'].$list['action']." ".$alias." ".$row['url']."
";
				if ($alias != "pfBlocker" && $list['action'] != "" && $list['action'] != 'Disabled' && $pfblocker_enable == "on"){
					#remove empty lists files if any
					if (is_array($list['row'])){
						foreach ($list['row'] as $row){
							#print $list['aliasname'].$list['action'].$list['cron']." ".$alias." ".$row['url']."$update_local
";
							if ($row['url'] != ""){
								$md5_url = md5($row['url']);
								if (file_exists($pfbdir."/".$md5_url.".txt")){ 
									${$alias}.= file_get_contents($pfbdir.'/'.$md5_url.'.txt');
								}
								else{
									if ($row['format'] == "gz"){
										$url_list= gzfile($row['url']);
									}
									else{
										$url_list= file($row['url']);
									}
									#extract range lists
									$new_file="";
									if (is_array($url_list)){
										foreach ($url_list as $line){
											# CIDR format 192.168.0.0/16
											if (preg_match("/(\d+\.\d+\.\d+\.\d+\/\d+)/",$line,$matches)){
												${$alias}.= $matches[1]."\n";
												$new_file.= $matches[1]."\n";
											}
											# Single ip addresses 
											if (preg_match("/(\d+\.\d+\.\d+\.\d+)\s+/",$line,$matches)){
												${$alias}.= $matches[1]."/32\n";
												$new_file.= $matches[1]."/32\n";
											}
											# Network range 192.168.0.0-192.168.0.254
											if (preg_match("/(\d+\.\d+\.\d+\.\d+)-(\d+\.\d+\.\d+\.\d+)/",$line,$matches)){
												$cidr= pfblocker_Range2CIDR($matches[1],$matches[2]);
												if ($cidr != ""){
													${$alias}.= $cidr."\n";
													$new_file.= $cidr."\n";
												}
											}
										}
									}
									if ($new_file != ""){
										file_put_contents($pfbdir.'/'.$md5_url.'.txt',$new_file, LOCK_EX);
									}
								}
							}
						}
					}
					#check custom network list
					if (pfb_text_area_decode($list['custom']) != ""){
						${$alias}.=pfb_text_area_decode($list['custom'])."\n";
					}
					#save alias file if not empty
					if (${$alias} == ""){
						unlink_if_exists($pfb_alias_dir.'/'.$alias.'.txt');
					}
					else{
						file_put_contents($pfb_alias_dir.'/'.$alias.'.txt',${$alias}, LOCK_EX);
						file_put_contents($pfsense_alias_dir.'/'.$alias.'.txt',${$alias}, LOCK_EX);
						#create alias
						$new_aliases_list[]=$alias;
						$new_aliases[]=array(	"name"=> $alias,
									"url"=> $web_local.'?pfb='.$alias,
									"updatefreq"=> "32",
									"address"=>"",
									"descr"=> "pfBlocker user list",
									"type"=> "urltable",
									"detail"=> "DO NOT EDIT THIS ALIAS");
						#Create rule if action permits
						switch($list['action']){
							case "Deny_Both":
								$rule = $base_rule;
								$rule["type"] = $deny_action_inbound;
								$rule["descr"]= "$alias auto rule";
								$rule["source"]= array("address"=> $alias);
								$rule["destination"]=array("any"=>"");
								if ($pfblocker_config['enable_log']){
									$rule["log"]="";
								}
								$deny_inbound[]=$rule;
							case "Deny_Outbound":
								$rule = $base_rule;
								$rule["type"] = $deny_action_outbound;
								$rule["descr"]= "$alias auto rule";
								$rule["source"]=array("any"=>"");
								$rule["destination"]= array("address"=> $alias);
								if ($pfblocker_config['enable_log']){
									$rule["log"]="";
								}
								$deny_outbound[]=$rule;					
								break;
							case "Deny_Inbound":
								$rule = $base_rule;
								$rule["type"] = $deny_action_inbound;
								$rule["descr"]= "$alias auto rule";
								$rule["source"]= array("address"=> $alias);
								$rule["destination"]=array("any"=>"");
								if ($pfblocker_config['enable_log']){
									$rule["log"]="";
								}
								$deny_inbound[]=$rule;					
								break;
							case "Permit_Outbound":
								$rule = $base_rule;
								$rule["type"] = "pass";
								$rule["descr"]= "$alias auto rule";
								$rule["source"]=array("any"=>"");
								$rule["destination"]= array("address"=> $alias);
								if ($pfblocker_config['enable_log']){
									$rule["log"]="";
								}
								$permit_outbound[]=$rule;					
								break;
							case "Permit_Inbound":
								$rule = $base_rule;
								$rule["type"] = "pass";
								$rule["descr"]= "$alias auto rule";
								$rule["source"]= array("address"=> $alias);
								$rule["destination"]=array("any"=>"");
								if ($pfblocker_config['enable_log']){
									$rule["log"]="";
								}
								$permit_inbound[]=$rule;					
								break;
						}
					}
					#mark pfctl aliastable for cleanup
					if (!in_array($alias, $aliases_list)){
						$aliases_list[]=$alias;
					}
				}
				else{
					#unlink previous pfblocker alias list if any
					unlink_if_exists($pfb_alias_dir.'/'.$alias.'.txt');
				}
			}
		}
		#update pfsense alias table
		if (is_array($config['aliases']['alias'])){
			$aliases=$config['aliases']['alias'];
			foreach($aliases as $cbalias){
				if (preg_match("/pfBlocker/",$cbalias['name'])){
					#mark pfctl aliastable for cleaning
					if (!in_array($cbalias['name'], $aliases_list)){
						$aliases_list[]=$cbalias['name']; #mark aliastable for cleaning
					}
					#remove previous aliastable file if alias is not defined any more
					if (!in_array($cbalias['name'], $new_aliases_list)){
						unlink_if_exists("/var/db/aliastables/".$cbalias['name'].".txt");
					}
				}
				else{
					$new_aliases[]=	$cbalias;
					if (file_exists($pfb_alias_dir.'/'.$alias.'.txt') && $message ==""){
						preg_match("/(\d+)/",exec("/usr/bin/wc -l ".$pfb_alias_dir.'/'.$alias.'.txt'),$matches);
					}
					if (($matches[1] * 2.1)>= $table_limit ){
						#alias table too large
	    					$message= $alias .' alias table is too large. Reduce networks in list or increase "Firewall Maximum Table Entries" value to at least '. (int)($matches[1] * 2.1) .' in "system - advanced - Firewall/NAT".';
					}
				}
			}
		}
		#apply new alias table to xml
		if ($message == ""){
			$config['aliases']['alias']=$new_aliases;
		}
		#exit;	
		#############################################
		#          Assign rules 					#
		#############################################
		#print "
";
		#var_dump($permit_inbound);
		#var_dump($permit_outbound);
		#var_dump($deny_inbound);
		#var_dump($deny_outbound);			
		#var_dump($pfblocker_config['inbound_interface']);
		#print count($deny_inbound) .count($deny_inbound);
		# Inbound filter options
		$inbound_interfaces = explode(",",$pfblocker_config['inbound_interface']);
		if (count($deny_inbound) > 0 || count($permit_inbound) > 0){
			if($pfblocker_config['inbound_interface'] == ""){
				$message="Unable to apply rules.Inbound Interface option not configured.";
			}
			if (in_array("lo0",$inbound_interfaces)){
				$message="Floating rules are not implemented in pfBlocker yet, choose Inbound Interface other than loopback or change action to Alias only.";
			}
		}
		
		# Outbound filter options
		$outbound_interfaces = explode(",",$pfblocker_config['outbound_interface']);
		if (count($deny_outbound) > 0 || count($permit_outbound) > 0){
			if($pfblocker_config['outbound_interface'] == ""){
				$message="Unable to apply rules.Outbound Interface option not configured.";
			}
			if (in_array("lo0",$outbound_interfaces)){
				$message="Floating rules are not implemented in pfBlocker yet, choose Outbound Interface other than loopback or change action to Alias only.";
			}
		}
		
		if ($message == ""){
			$last_iface="";
			$rules=$config['filter']['rule'];
			$new_rules=array();
			# The assumption is that the rules in the config come in groups by interface then priority.
			# e.g. all rules for WAN (highest priority first), then for LAN then for OPT1 etc.
			# Note that floating rules (interface is "") can appear mixed in the list.
			foreach ($rules as $rule){
				# If this next rule is for a non-blank interface, different to the previous interface,
				# then add any needed pfblocker rules to the interface. This puts pfblocker rules at the
				# top of the list for each interface, after any built-in rules (e.g. anti-lockout)
				if (($rule['interface'] != "") && ($rule['interface'] <> $last_iface)){
					$last_iface = $rule['interface'];
					#apply pfblocker rules if enabled
				
					#Inbound
					foreach ($inbound_interfaces as $inbound_interface){
						if ($inbound_interface==$last_iface){
							#permit rules
							if (is_array($permit_inbound)){
								foreach ($permit_inbound as $cb_rules){
									$cb_rules['interface']=$rule['interface'];
									$new_rules[]=$cb_rules;
								}
							}
							#deny rules
							if (is_array($deny_inbound)){
								foreach ($deny_inbound as $cb_rules){
									$cb_rules['interface']=$rule['interface'];
									$new_rules[]=$cb_rules;
								}
							}
						}
					}
					#Outbound
					foreach ($outbound_interfaces as $outbound_interface){
						if ($outbound_interface==$last_iface){
							#permit rules
							if (is_array($permit_outbound)){
								foreach ($permit_outbound as $cb_rules){
									$cb_rules['interface']=$rule['interface'];
									$new_rules[]=$cb_rules;	
								}
							}
							#deny rules
							if (is_array($deny_outbound)){
								foreach ($deny_outbound as $cb_rules){
									$cb_rules['interface']=$rule['interface'];
									$new_rules[]=$cb_rules;	
								}
							}
						}
					}
				}
				#include all rules that are not from pfBlocker
				if (!preg_match("/pfBlocker.*rule/",$rule['descr']) && ($rule['interface'] != "" || $rule['floating']=="yes")){
					$new_rules[]=$rule;
				}
			}
			$config['filter']['rule']=$new_rules;
		}	
	
		if ($message == ""){
			#check cron
			$cron_found=0;
			$cron_cmd="/usr/local/bin/php -q /usr/local/www/pfblocker.php cron";
			if (is_array($config['cron']['item'])){
				$new_cron=array();
				foreach($config['cron']['item'] as $cron){
					if (preg_match("/usr.local.www.pfblocker.php cron/",$cron["command"])){
						#fix 0.1.4.6 missing php path
						if($cron["command"]==$cron_cmd && $pfblocker_enable == "on"){
							$new_cron['item'][]=$cron;
							$cron_found=1;
						}
					}
					else{
						$new_cron['item'][]=$cron;
					}
				}
				if ($cron_found == 0){
					if($pfblocker_enable == "on"){
						$new_cron['item'][]=array(	"minute" =>	"0",
										"hour"	 =>	"*",
										"mday" 	 =>	"*",
										"month"  =>	"*",
										"wday"	 =>	"*",
										"who"	 =>	"root",
										"command"=>	$cron_cmd);
					}
					$config['cron']=$new_cron;
				}
			}
		
			# to be removed in final version
			$aliases_list[]="pfBlockerInbound";	#remove previous version lists
			$aliases_list[]="pfBlockerOutbound";	#remove previous version lists
			$aliases_list[]="pfBlockerWL";		#remove previous version lists
			#exit;
			#update pfctrl tables
			foreach ($aliases_list as $table){
				exec("/sbin/pfctl -t " . escapeshellarg($table) . " -T kill 2>&1", $result_pfb);
			}

			#uncheck donation and credits check box
			$config['installedpackages']['pfblocker']['config'][0]['donation']="";
			$config['installedpackages']['pfblocker']['config'][0]['credits']="";
			#write config
			write_config();

			#update cron
			if ($cron_found == 0){
				configure_cron();
			}
		
			#load filter file after editing
			filter_configure();

			#sync config
			pfblocker_sync_on_changes();
		}
		else{
			log_error("[pfBlocker] ".$message);
			file_notice("pfBlocker", $message, "pfblocker rule apply", "");
		}
		conf_mount_ro();
	}
}

function pfblocker_validate_input($post, &$input_errors) {
	global $config;
	foreach ($post as $key => $value) {
		if (empty($value))
			continue;
		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 pfblocker_php_install_command() {
	include_once '/usr/local/www/pfblocker.php';
	pfblocker_get_countries();
	sync_package_pfblocker();
}

function pfblocker_php_deinstall_command() {
	global $config;
	$config['installedpackages']['pfblocker']['config'][0]['enable_cb']="";
	write_config();
	sync_package_pfblocker();
}

/* Uses XMLRPC to synchronize the changes to a remote node */
function pfblocker_sync_on_changes() {
	global $config, $g;
	log_error("[pfblocker] pfblocker_xmlrpc_sync.php is starting.");
	$synconchanges = $config['installedpackages']['pfblockersync']['config'][0]['synconchanges'];	
	if(!$synconchanges) 
		return;
	foreach ($config['installedpackages']['pfblockersync']['config'] as $rs ){
		foreach($rs['row'] as $sh){
			$sync_to_ip = $sh['ipaddress'];
			$password   = $sh['password'];
			if($password && $sync_to_ip){
				pfblocker_do_xmlrpc_sync($sync_to_ip, $password);
			}
		}
	}
	log_error("[pfblocker] pfblocker_xmlrpc_sync.php is ending.");
}

/* Do the actual XMLRPC sync */
function pfblocker_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['pfblocker'] = $config['installedpackages']['pfblocker'];
	$xml['pfblockerlists'] = $config['installedpackages']['pfblockerlists'];
	$xml['pfblockertopspammers'] = $config['installedpackages']['pfblockertopspammers'];
	$xml['pfblockerafrica'] = $config['installedpackages']['pfblockerafrica'];
	$xml['pfblockerantartica'] = $config['installedpackages']['pfblockerantartica'];
	$xml['pfblockerasia'] = $config['installedpackages']['pfblockerasia'];
	$xml['pfblockereurope'] = $config['installedpackages']['pfblockereurope'];
	$xml['pfblockernorthamerica'] = $config['installedpackages']['pfblockernorthamerica'];
	$xml['pfblockeroceania'] = $config['installedpackages']['pfblockeroceania'];
	$xml['pfblockersouthamerica'] = $config['installedpackages']['pfblockersouthamerica'];
	/* 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 = $synchronizetoip;
	log_error("Beginning pfblocker XMLRPC sync to {$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) {
		$error = "A communications error occurred while attempting pfblocker XMLRPC sync with {$url}:{$port}.";
		log_error($error);
		file_notice("sync_settings", $error, "pfblocker Settings Sync", "");
	} elseif($resp->faultCode()) {
		$cli->setDebug(1);
		$resp = $cli->send($msg, "250");
		$error = "An error code was received while attempting pfblocker XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
		log_error($error);
		file_notice("sync_settings", $error, "pfblocker Settings Sync", "");
	} else {
		log_error("pfblocker XMLRPC sync successfully completed with {$url}:{$port}.");
	}
	
	/* tell pfblocker to reload our settings on the destionation sync host. */
	$method = 'pfsense.exec_php';
	$execcmd  = "require_once('/usr/local/pkg/pfblocker.inc');\n";
	$execcmd .= "sync_package_pfblocker();";
	
	/* assemble xmlrpc payload */
	$params = array(
		XML_RPC_encode($password),
		XML_RPC_encode($execcmd)
	);

	log_error("pfblocker 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) {
		$error = "A communications error occurred while attempting pfblocker XMLRPC sync with {$url}:{$port} (pfsense.exec_php).";
		log_error($error);
		file_notice("sync_settings", $error, "pfblocker Settings Sync", "");
	} elseif($resp->faultCode()) {
		$cli->setDebug(1);
		$resp = $cli->send($msg, "250");
		$error = "An error code was received while attempting pfblocker XMLRPC exec with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
		log_error($error);
		file_notice("sync_settings", $error, "pfblocker Settings Sync", "");
	} else {
		log_error("pfblocker XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php).");
	}

}

?>