squid3.4 - first package files

1 files changed, 2463 insertions, 0 deletions

diff --git a/config/squid3/34/squid.inc b/config/squid3/34/squid.inc
new file mode 100755
index 00000000..87232c2b
--- /dev/null
+++ b/config/squid3/34/squid.inc
@@ -0,0 +1,2463 @@
+<?php
+/* $Id$ */
+/*
+	squid.inc
+	Copyright (C) 2006-2009 Scott Ullrich
+	Copyright (C) 2006 Fernando Lemos
+	Copyright (C) 2012 Martin Fuchs
+	Copyright (C) 2012-2014 Marcello Coutinho
+	Copyright (C) 2013 Gekkenhuis
+	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('globals.inc');
+require_once('config.inc');
+require_once('util.inc');
+require_once('pfsense-utils.inc');
+require_once('pkg-utils.inc');
+require_once('service-utils.inc');
+
+if(!function_exists("filter_configure"))
+	require_once("filter.inc");
+
+$shortcut_section = "squid";
+$pfs_version = substr(trim(file_get_contents("/etc/version")),0,3);
+if (is_dir('/usr/pbi/squid-' . php_uname("m"))) {
+	if ($pfs_version == 2.2)
+		define('SQUID_LOCALBASE', '/usr/pbi/squid-' . php_uname("m")."/local");
+	else
+		define('SQUID_LOCALBASE', '/usr/pbi/squid-' . php_uname("m"));
+} else {
+	define('SQUID_LOCALBASE','/usr/local');
+}
+
+define('SQUID_CONFBASE', SQUID_LOCALBASE .'/etc/squid');
+define('SQUID_CONFFILE', SQUID_CONFBASE . '/squid.conf');
+define('SQUID_BASE', '/var/squid/');
+define('SQUID_ACLDIR', '/var/squid/acl');
+define('SQUID_PASSWD', '/var/etc/squid.passwd');
+define('SQUID_LIB','/var/squid/lib');
+define('SQUID_SSL_DB','/var/squid/lib/ssl_db');
+
+$valid_acls = array();
+
+$uname=posix_uname();
+if ($uname['machine']=='amd64')
+        ini_set('memory_limit', '250M');
+
+        function sq_text_area_decode($text){
+	return preg_replace('/\r\n/', "\n",base64_decode($text));
+}
+
+
+function squid_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($netmask)));
+}
+
+function squid_chown_recursive($dir, $user, $group) {
+	chown($dir, $user);
+	chgrp($dir, $group);
+	$handle = opendir($dir) ;
+	while (($item = readdir($handle)) !== false) {
+		if (($item != ".") && ($item != "..")) {
+			$path = "$dir/$item";
+			// Recurse unless it's the cache dir, that is slow and rarely necessary.
+			if (is_dir($path) && (basename($dir) != "cache"))
+				squid_chown_recursive($path, $user, $group);
+			elseif (is_file($path)) {
+				chown($path, $user);
+				chgrp($path, $group);
+			}
+		}
+	}
+}
+
+function squid_check_clamav_user($user)
+	{
+		exec("/usr/sbin/pw usershow {$user}",$sq_ex_output,$sq_ex_return);
+		$user_arg=($sq_ex_return == 0?"mod":"add");
+		exec("/usr/sbin/pw user{$user_arg} {$user} -G wheel -u 9595 -s /sbin/nologin",$sq_ex_output,$sq_ex_return);
+		if ($sq_ex_return != 0)
+			log_error("Squid - Could not change clamav user settings. ".serialize($sq_ex_output));
+	}
+
+/* setup cache */
+function squid_dash_z($cache_action='none') {
+	global $config;
+
+	//Do nothing if there is no cache config
+	if (!is_array($config['installedpackages']['squidcache']['config']))
+		return;
+
+	$settings = $config['installedpackages']['squidcache']['config'][0];
+
+	// If the cache system is null, there is no need to initialize the (irrelevant) cache dir.
+	if ($settings['harddisk_cache_system'] == "null")
+		return;
+
+	$cachedir =($settings['harddisk_cache_location'] ? $settings['harddisk_cache_location'] : '/var/squid/cache');
+
+	if ($cache_action=="clean"){
+		rename ($cachedir,"{$cachedir}.old");
+		mwexec_bg("/bin/rm -rf {$cachedir}.old");
+	}
+
+	if(!is_dir($cachedir.'/')) {
+		log_error("Creating Squid cache dir $cachedir");
+		make_dirs($cachedir);
+		// Double check permissions here, should be safe to recurse cache dir if it's small here.
+		mwexec("/usr/sbin/chown -R proxy:proxy $cachedir");
+	}
+
+	if(!is_dir($cachedir.'/00/')) {
+		log_error("Creating squid cache subdirs in $cachedir");
+		mwexec(SQUID_LOCALBASE. "/sbin/squid -k shutdown -f " . SQUID_CONFFILE);
+		sleep(5);
+		mwexec(SQUID_LOCALBASE. "/sbin/squid -k kill -f " . SQUID_CONFFILE);
+		// Double check permissions here, should be safe to recurse cache dir if it's small here.
+		mwexec("/usr/sbin/chown -R proxy:proxy $cachedir");
+		mwexec(SQUID_LOCALBASE. "/sbin/squid -z -f " . SQUID_CONFFILE);
+	}
+
+	if(file_exists("/var/squid/cache/swap.state")) {
+		chown("/var/squid/cache/swap.state", "proxy");
+		chgrp("/var/squid/cache/swap.state", "proxy");
+		exec("chmod a+rw /var/squid/cache/swap.state");
+	}
+
+}
+
+function squid_is_valid_acl($acl) {
+	global $valid_acls;
+	if(!is_array($valid_acls))
+		return;
+	return in_array($acl, $valid_acls);
+}
+
+function squid_install_command() {
+	global $config;
+	global $g;
+	update_status("Checking if there is configuration to migrate... One moment please...");
+	/* migrate existing csv config fields */
+	if (is_array($config['installedpackages']['squidauth']['config']))
+		$settingsauth = $config['installedpackages']['squidauth']['config'][0];
+	if (is_array($config['installedpackages']['squidcache']['config']))
+		$settingscache = $config['installedpackages']['squidcache']['config'][0];
+	if (is_array($config['installedpackages']['squidnac']['config']))
+		$settingsnac = $config['installedpackages']['squidnac']['config'][0];
+	if (is_array($config['installedpackages']['squid']['config']))
+		$settingsgen = $config['installedpackages']['squid']['config'][0];
+
+	if (file_exists("/usr/local/pkg/check_ip.php"))
+		rename("/usr/local/pkg/check_ip.php",SQUID_LOCALBASE . "/libexec/squid/check_ip.php");
+	/* Set storage system */
+	if ($g['platform'] == "nanobsd") {
+		$config['installedpackages']['squidcache']['config'][0]['harddisk_cache_system'] = 'null';
+	}
+
+	/* migrate auth settings */
+	if (!empty($settingsauth['no_auth_hosts'])) {
+		if(strstr($settingsauth['no_auth_hosts'], ",")) {
+			$settingsauth['no_auth_hosts'] = base64_encode(implode("\n", explode(",", $settingsauth['no_auth_hosts'])));
+			$config['installedpackages']['squidauth']['config'][0]['no_auth_hosts'] = $settingsauth['no_auth_hosts'];
+		}
+	}
+
+	/* migrate cache settings */
+	if (!empty($settingscache['donotcache'])) {
+		if(strstr($settingscache['donotcache'], ",")) {
+			$settingscache['donotcache'] = base64_encode(implode("\n", explode(",", $settingscache['donotcache'])));
+			$config['installedpackages']['squidcache']['config'][0]['donotcache'] = $settingscache['donotcache'];
+		}
+	}
+
+	/* migrate nac settings */
+	if(! empty($settingsnac['allowed_subnets'])) {
+		if(strstr($settingsnac['allowed_subnets'], ",")) {
+			$settingsnac['allowed_subnets'] = base64_encode(implode("\n", explode(",", $settingsnac['allowed_subnets'])));
+			$config['installedpackages']['squidnac']['config'][0]['allowed_subnets'] = $settingsnac['allowed_subnets'];
+		}
+	}
+	if(! empty($settingsnac['banned_hosts'])) {
+		if(strstr($settingsnac['banned_hosts'], ",")) {
+			$settingsnac['banned_hosts'] = base64_encode(implode("\n", explode(",", $settingsnac['banned_hosts'])));
+			$config['installedpackages']['squidnac']['config'][0]['banned_hosts'] = $settingsnac['banned_hosts'];
+		}
+	}
+
+	if(! empty($settingsnac['banned_macs'])) {
+		if(strstr($settingsnac['banned_macs'], ",")) {
+			$settingsnac['banned_macs'] = base64_encode(implode("\n", explode(",", $settingsnac['banned_macs'])));
+			$config['installedpackages']['squidnac']['config'][0]['banned_macs'] = $settingsnac['banned_macs'];
+		}
+	}
+
+	if(! empty($settingsnac['unrestricted_hosts'])) {
+		if(strstr($settingsnac['unrestricted_hosts'], ",")) {
+			$settingsnac['unrestricted_hosts'] = base64_encode(implode("\n", explode(",", $settingsnac['unrestricted_hosts'])));
+			$config['installedpackages']['squidnac']['config'][0]['unrestricted_hosts'] = $settingsnac['unrestricted_hosts'];
+		}
+	}
+
+	if(! empty($settingsnac['unrestricted_macs'])) {
+		if(strstr($settingsnac['unrestricted_macs'], ",")) {
+			$settingsnac['unrestricted_macs'] = base64_encode(implode("\n", explode(",", $settingsnac['unrestricted_macs'])));
+			$config['installedpackages']['squidnac']['config'][0]['unrestricted_macs'] = $settingsnac['unrestricted_macs'];
+		}
+	}
+
+	if(! empty($settingsnac['whitelist'])) {
+		if(strstr($settingsnac['whitelist'], ",")) {
+			$settingsnac['whitelist'] = base64_encode(implode("\n", explode(",", $settingsnac['whitelist'])));
+			$config['installedpackages']['squidnac']['config'][0]['whitelist'] = $settingsnac['whitelist'];
+		}
+	}
+
+	if(! empty($settingsnac['blacklist'])) {
+		if(strstr($settingsnac['blacklist'], ",")) {
+			$settingsnac['blacklist'] = base64_encode(implode("\n", explode(",", $settingsnac['blacklist'])));
+			$config['installedpackages']['squidnac']['config'][0]['blacklist'] = $settingsnac['blacklist'];
+		}
+	}
+
+	if(! empty($settingsnac['block_user_agent'])) {
+		if(strstr($settingsnac['block_user_agent'], ",")) {
+			$settingsnac['block_user_agent'] = base64_encode(implode("\n", explode(",", $settingsnac['block_user_agent'])));
+			$config['installedpackages']['squidnac']['config'][0]['block_user_agent'] = $settingsnac['block_user_agent'];
+		}
+	}
+
+	if(! empty($settingsnac['block_reply_mime_type'])) {
+		if(strstr($settingsnac['block_reply_mime_type'], ",")) {
+			$settingsnac['block_reply_mime_type'] = base64_encode(implode("\n", explode(",", $settingsnac['block_reply_mime_type'])));
+			$config['installedpackages']['squidnac']['config'][0]['block_reply_mime_type'] = $settingsnac['block_reply_mime_type'];
+		}
+	}
+
+	/*Migrate reverse settings*/
+	if (is_array($config['installedpackages']['squidreverse'])){
+		$old_reverse_settings=$config['installedpackages']['squidreverse']['config'][0];
+
+		//Settings
+		if (!is_array($config['installedpackages']['squidreversegeneral'])){
+			$config['installedpackages']['squidreversegeneral']['config'][0]=$old_reverse_settings;
+			unset ($config['installedpackages']['squidreversegeneral']['config'][0]['reverse_cache_peer']);
+			unset ($config['installedpackages']['squidreversegeneral']['config'][0]['reverse_uri']);
+			unset ($config['installedpackages']['squidreversegeneral']['config'][0]['reverse_acl']);
+			}
+
+		//PEERS
+		if (!is_array($config['installedpackages']['squidreversepeer'])){
+			foreach (explode("\n",sq_text_area_decode($old_reverse_settings['reverse_cache_peer'])) as $cache_peers)
+				foreach (explode(";",$cache_peers) as $cache_peer)
+					$config['installedpackages']['squidreversepeer']['config'][]=array('description'=>'migrated',
+																					'enable'=> 'on',
+									  												'name'=> $cache_peer[0],
+																					'port'=> $cache_peer[1],
+																					'protocol' => $cache_peer[2]);
+			}
+
+		//MAPPINGS
+		if (!is_array($config['installedpackages']['squidreverseuri'])){
+			foreach (explode("\n",sq_text_area_decode($old_reverse_settings['reverse_acl'])) as $acls){
+				foreach (explode(";",$acls) as $acl)
+					array_push(${'peer_'.$acl[0]},$acl[1]);
+				}
+			foreach (explode("\n",sq_text_area_decode($old_reverse_settings['reverse_uri'])) as $uris)
+				foreach (explode(";",$uris) as $uri){
+					$peer_list=(is_array(${'peer_'.$uri[0]})?implode(",",${'peer_'.$uri[0]}):"");
+					$config['installedpackages']['squidreverseuri']['config'][]=array('description'=>'migrated',
+																					'enable'=> 'on',
+									  												'name'=> $uri[0],
+																					'uri'=> $uri[1],
+																					'vhost' => $uri[2],
+																					'peers'=>$peer_list);
+				}
+			}
+	}
+
+	update_status("Writing configuration... One moment please...");
+
+	write_config();
+
+	/* create cache */
+	update_status("Creating squid cache pools... One moment please...");
+	squid_dash_z();
+	/* make sure pinger is executable */
+	if(file_exists(SQUID_LOCALBASE. "/libexec/squid/pinger"))
+		exec("/bin/chmod a+x ". SQUID_LOCALBASE. "/libexec/squid/pinger");
+	if(file_exists("/usr/local/etc/rc.d/squid"))
+		exec("/bin/rm /usr/local/etc/rc.d/squid");
+	squid_write_rcfile();
+	if(file_exists("/usr/local/pkg/swapstate_check.php"))
+		exec("/bin/chmod a+x /usr/local/pkg/swapstate_check.php");
+	write_rcfile(array(
+		"file" => "sqp_monitor.sh",
+		"start" => "/usr/local/pkg/sqpmon.sh &",
+		"stop" => "ps awux | grep \"sqpmon\" | grep -v \"grep\" | grep -v \"php\" | awk '{ print $2 }' | xargs kill"));
+
+	foreach (array(	SQUID_CONFBASE,
+			SQUID_ACLDIR,
+			SQUID_BASE,
+			SQUID_LIB,
+			SQUID_SSL_DB ) as $dir) {
+		make_dirs($dir);
+		squid_chown_recursive($dir, 'proxy', 'proxy');
+	}
+
+	/* kill any running proxy alarm scripts */
+	update_status("Checking for running processes... One moment please...");
+	log_error("Stopping any running proxy monitors");
+	mwexec("/usr/local/etc/rc.d/sqp_monitor.sh stop");
+	sleep(1);
+
+	if (!file_exists(SQUID_CONFBASE . '/mime.conf') && file_exists(SQUID_CONFBASE . '/mime.conf.default'))
+		copy(SQUID_CONFBASE . '/mime.conf.default', SQUID_CONFBASE . '/mime.conf');
+
+	update_status("Checking cache... One moment please...");
+	squid_dash_z();
+
+	if (!is_service_running('squid')) {
+		update_status("Starting... One moment please...");
+		log_error("Starting Squid");
+		mwexec_bg(SQUID_LOCALBASE. "/sbin/squid -f " . SQUID_CONFFILE);
+	} else {
+		update_status("Reloading Squid for configuration sync... One moment please...");
+		log_error("Reloading Squid for configuration sync");
+		mwexec_bg(SQUID_LOCALBASE. "/sbin/squid -k reconfigure -f " . SQUID_CONFFILE);
+	}
+
+	/* restart proxy alarm scripts */
+	log_error("Starting a proxy monitor script");
+	mwexec_bg("/usr/local/etc/rc.d/sqp_monitor.sh start");
+
+	update_status("Reconfiguring filter... One moment please...");
+	filter_configure();
+}
+
+function squid_deinstall_command() {
+	global $config, $g;
+	$plswait_txt = "This operation may take quite some time, please be patient.  Do not press stop or attempt to navigate away from this page during this process.";
+	squid_install_cron(false);
+	if (is_array($config['installedpackages']['squidcache']))
+		$settings = $config['installedpackages']['squidcache']['config'][0];
+	else
+		$settings = array();
+	$cachedir =($settings['harddisk_cache_location'] ? $settings['harddisk_cache_location'] : '/var/squid/cache');
+	$logdir = ($settings['log_dir'] ? $settings['log_dir'] : '/var/squid/logs');
+	update_status("Removing cache ... One moment please...");
+	update_output_window("$plswait_txt");
+	mwexec_bg('rm -rf $cachedir');
+	mwexec('rm -rf $logdir');
+	update_status("Finishing package cleanup.");
+	mwexec("/usr/local/etc/rc.d/sqp_monitor.sh stop");
+	mwexec('rm -f /usr/local/etc/rc.d/sqp_monitor.sh');
+	mwexec("ps awux | grep \"squid\" | grep -v \"grep\" | awk '{ print $2 }' | xargs kill");
+	mwexec("ps awux | grep \"dnsserver\" | grep -v \"grep\" | awk '{ print $2 }' | xargs kill");
+	mwexec("ps awux | grep \"unlinkd\" | grep -v \"grep\" | awk '{ print $2 }' | xargs kill");
+	update_status("Reloading filter...");
+	filter_configure();
+}
+
+function squid_before_form_general(&$pkg) {
+	$values = get_dir(SQUID_CONFBASE . '/errors/');
+	// Get rid of '..' and '.' and ...
+	array_shift($values);
+	array_shift($values);
+	array_shift($values);
+	array_shift($values);
+
+	$name = array();
+	foreach ($values as $value)
+		$names[] = implode(" ", explode("_", $value));
+
+	$i = 0;
+	foreach ($pkg['fields']['field'] as $field) {
+		if ($field['fieldname'] == 'error_language')
+			break;
+		$i++;
+	}
+	$field = &$pkg['fields']['field'][$i];
+
+	for ($i = 0; $i < count($values) - 1; $i++)
+		$field['options']['option'][] = array('name' => $names[$i], 'value' => $values[$i]);
+}
+
+function squid_validate_general($post, &$input_errors) {
+	global $config;
+	if (is_array($config['installedpackages']['squid']))
+		$settings = $config['installedpackages']['squid']['config'][0];
+	else
+		$settings = array();
+	$port = ($settings['proxy_port'] ? $settings['proxy_port'] : 3128);
+	$port = $post['proxy_port'] ? $post['proxy_port'] : $port;
+
+	$icp_port = trim($post['icp_port']);
+	if (!empty($icp_port) && !is_port($icp_port))
+		$input_errors[] = 'You must enter a valid port number in the \'ICP port\' field';
+
+	if (substr($post['log_dir'], -1, 1) == '/')
+		$input_errors[] = 'You may not end log location with an / mark';
+
+	if ($post['log_dir']{0} != '/')
+		$input_errors[] = 'You must start log location with a / mark';
+	if (strlen($post['log_dir']) <= 3)
+		$input_errors[] = "That is not a valid log location dir";
+
+	$log_rotate = trim($post['log_rotate']);
+	if (!empty($log_rotate) && (!is_numeric($log_rotate) or ($log_rotate < 1)))
+
+		$input_errors[] = 'You must enter a valid number of days in the \'Log rotate\' field';
+
+	$webgui_port = $config['system']['webgui']['port'];
+	if(($config['system']['webgui']['port'] == "") && ($config['system']['webgui']['protocol'] == "http")) {
+		$webgui_port = 80;
+	}
+	if(($config['system']['webgui']['port'] == "") && ($config['system']['webgui']['protocol'] == "https")) {
+		$webgui_port = 443;
+	}
+
+	if (($post['transparent_proxy'] != 'on') && ($port == $webgui_port)) {
+		$input_errors[] = "You can not run squid on the same port as the webgui";
+	}
+
+	if (($post['ssl_proxy'] == 'on') && ( $post['dca'] == '')) {
+		$input_errors[] = "SSL interception cannot be enabled without a CA.";
+	}
+
+	foreach (array('defined_ip_proxy_off') as $hosts) {
+		foreach (explode(";", $post[$hosts]) as $host) {
+			$host = trim($host);
+			if (!empty($host) && !is_ipaddr($host) && !is_alias($host) && !is_hostname($host) && !is_subnet($host))
+				$input_errors[] = "The entry '$host' is not a valid IP address, hostname, or alias";
+		}
+	}
+	foreach (array('defined_ip_proxy_off_dest') as $hosts) {
+		foreach (explode(";", $post[$hosts]) as $host) {
+			$host = trim($host);
+			if (!empty($host) && !is_ipaddr($host) && !is_alias($host) && !is_hostname($host) && !is_subnet($host))
+				$input_errors[] = "The entry '$host' is not a valid IP address, hostname, or alias";
+		}
+	}
+
+  if(!empty($post['dns_nameservers'])) {
+	 $altdns = explode(";", ($post['dns_nameservers']));
+	 foreach ($altdns as $dnssrv) {
+    if (!is_ipaddr($dnssrv))
+      $input_errors[] = 'You must enter a valid IP address in the \'Alternate DNS servers\' field';
+	  break;
+	 }}
+}
+
+function squid_validate_upstream($post, &$input_errors) {
+	if ($post['enabled'] == 'on') {
+		$addr = trim($post['proxyaddr']);
+		if (empty($addr))
+			$input_errors[] = 'The field \'Hostname\' is required';
+		else {
+			if (!is_ipaddr($addr) && !is_domain($addr))
+				$input_errors[] = 'You must enter a valid IP address or host name in the \'Proxy hostname\' field';
+		}
+
+		foreach (array('proxyport' => 'TCP port', 'icpport' => 'ICP port') as $field => $name) {
+			$port = trim($post[$field]);
+			if (empty($port))
+				$input_errors[] = "The field '$name' is required";
+			else {
+					if (!is_port($port))
+					$input_errors[] = "The field '$name' must contain a valid port number, between 0 and 65535";
+			}
+		}
+	}
+}
+
+function squid_validate_cache($post, &$input_errors) {
+	$num_fields = array(	'harddisk_cache_size' => 'Hard disk cache size',
+				'memory_cache_size' => 'Memory cache size',
+				'maximum_object_size' => 'Maximum object size',
+	);
+	foreach ($num_fields as $field => $name) {
+		$value = trim($post[$field]);
+		if (!is_numeric($value) || ($value < 0))
+			$input_errors[] = "You must enter a valid value for '$field'";
+	}
+
+	$value = trim($post['minimum_object_size']);
+	if (!is_numeric($value) || ($value < 0))
+		$input_errors[] = 'You must enter a valid value for \'Minimum object size\'';
+
+  if (!empty($post['cache_swap_low'])) {
+    $value = trim($post['cache_swap_low']);
+	  if (!is_numeric($value) || ($value > 100))
+	  $input_errors[] = 'You must enter a valid value for \'Low-water-mark\'';
+	}
+
+  if (!empty($post['cache_swap_high'])) {
+	 $value = trim($post['cache_swap_high']);
+	 if (!is_numeric($value) || ($value > 100))
+		$input_errors[] = 'You must enter a valid value for \'High-water-mark\'';
+  }
+
+	if ($post['donotcache'] != "") {
+		foreach (split("\n", $post['donotcache']) as $host) {
+			$host = trim($host);
+			if (!is_ipaddr($host) && !is_domain($host))
+				$input_errors[] = "The host '$host' is not a valid IP or host name";
+		}
+	}
+
+	squid_dash_z();
+
+}
+
+function squid_validate_nac($post, &$input_errors) {
+	$allowed_subnets = explode("\n", $post['allowed_subnets']);
+	foreach ($allowed_subnets as $subnet) {
+		$subnet = trim($subnet);
+		if (!empty($subnet) && !is_subnet($subnet))
+			$input_errors[] = "The subnet '$subnet' is not a valid CIDR range";
+	}
+
+	foreach (array(	'unrestricted_hosts', 'banned_hosts') as $hosts) {
+
+		if (preg_match_all("@([0-9.]+)(/[0-9.]+|)@",$_POST[$hosts],$matches)){
+			for ($x=0;$x < count($matches[1]);$x++){
+				if ($matches[2][$x] == ""){
+					if (!is_ipaddr($matches[1][$x]))
+						$input_errors[] = "'{$matches[1][$x]}' is not a valid IP address";
+					}
+				else{
+					if (!is_subnet($matches[0][$x]))
+						$input_errors[] = "The subnet '{$matches[0][$x]}' is not a valid CIDR range";
+					}
+				}
+		}
+	}
+
+	foreach (array('unrestricted_macs', 'banned_macs') as $macs) {
+		foreach (explode("\n", $post[$macs]) as $mac) {
+			$mac = trim($mac);
+			if (!empty($mac) && !is_macaddr($mac))
+				$input_errors[] = "The mac '$mac' is not a valid MAC address";
+		}
+	}
+
+	foreach (explode(",", $post['timelist']) as $time) {
+		$time = trim($time);
+		if (!empty($time) && !squid_is_timerange($time))
+			$input_errors[] = "The time range '$time' is not a valid time range";
+	}
+
+  if(!empty($post['ext_cachemanager'])) {
+	 $extmgr = explode(";", ($post['ext_cachemanager']));
+	 foreach ($extmgr as $mgr) {
+    if (!is_ipaddr($mgr))
+      $input_errors[] = 'You must enter a valid IP address in the \'External Cache Manager\' field';
+	 }}
+}
+
+function squid_validate_traffic($post, &$input_errors) {
+	$num_fields = array(	'max_download_size' => 'Maximum download size',
+				'max_upload_size' => 'Maximum upload size',
+				'perhost_throttling' => 'Per-host bandwidth throttling',
+				'overall_throttling' => 'Overall bandwidth throttling',
+	);
+	foreach ($num_fields as $field => $name) {
+		$value = trim($post[$field]);
+		if (!is_numeric($value) || ($value < 0))
+			$input_errors[] = "The field '$name' must contain a positive number";
+	}
+
+  if (!empty($post['quick_abort_min'])) {
+	 $value = trim($post['quick_abort_min']);
+     if (!is_numeric($value))
+	   $input_errors[] = "The field 'Finish when remaining KB' must contain a positive number";
+  }
+
+  if (!empty($post['quick_abort_max'])) {
+	 $value = trim($post['quick_abort_max']);
+     if (!is_numeric($value))
+	   $input_errors[] = "The field 'Abort when remaining KB' must contain a positive number";
+  }
+
+  if (!empty($post['quick_abort_pct'])) {
+	 $value = trim($post['quick_abort_pct']);
+     if (!is_numeric($value) || ($value > 100))
+	   $input_errors[] = "The field 'Finish when remaining %' must contain a percentage";
+  }
+}
+
+function squid_validate_reverse($post, &$input_errors) {
+
+	if(!empty($post['reverse_ip'])) {
+		$reverse_ip = explode(";", ($post['reverse_ip']));
+		foreach ($reverse_ip as $reip) {
+		if (!is_ipaddr(trim($reip)))
+			$input_errors[] = 'You must enter a valid IP address in the \'User-defined reverse-proxy IPs\' field'.' -> \''.$reip.'\' is invalid.';
+	}}
+
+	$fqdn = trim($post['reverse_external_fqdn']);
+	if (!empty($fqdn) && !is_domain($fqdn))
+		$input_errors[] = 'The field \'external FQDN\' must contain a valid domain name';
+
+	$port = trim($post['reverse_http_port']);
+	if (!empty($port) && !is_port($port))
+		$input_errors[] = 'The field \'reverse HTTP port\' must contain a valid port number';
+
+	$port = trim($post['reverse_https_port']);
+	if (!empty($port) && !is_port($port))
+		$input_errors[] = 'The field \'reverse HTTPS port\' must contain a valid port number';
+
+	if ($post['reverse_ssl_cert'] == 'none')
+		$input_errors[] = 'A valid certificate for the external interface must be selected';
+
+    if (($post['reverse_https'] != 'on') && ($post['reverse_owa'] == 'on')) {
+      $input_errors[] = "You have to enable reverse HTTPS before enabling OWA support.";
+      }
+
+	if(!empty($post['reverse_owa_ip'])) {
+		$reverse_owa_ip = explode(";", ($post['reverse_owa_ip']));
+		foreach ($reverse_owa_ip as $reowaip) {
+		if (!is_ipaddr(trim($reowaip)))
+			$input_errors[] = 'You must enter a valid IP address in the \'CAS-Array / OWA frontend IP address\' field'.' -> \''.$reowaip.'\' is invalid.';
+	}}
+
+    $contents = $post['reverse_cache_peer'];
+    if(!empty($contents)) {
+      $defs = explode("\r\n", ($contents));
+        foreach ($defs as $def) {
+          $cfg = explode(";",($def));
+            if (!is_ipaddr($cfg[1]))
+              $input_errors[] = "please choose a valid IP in the cache peer configuration.";
+            if (!is_port($cfg[2]))
+              $input_errors[] = "please choose a valid port in the cache peer configuration.";
+            if (($cfg[3] != 'HTTPS') && ($cfg[3] != 'HTTP'))
+              $input_errors[] = "please choose HTTP or HTTPS in the cache peer configuration.";
+    }}
+
+
+}
+
+function squid_validate_auth($post, &$input_errors) {
+	$num_fields = array(	array('auth_processes', 'Authentication processes', 1),
+				array('auth_ttl', 'Authentication TTL', 0),
+	);
+	foreach ($num_fields as $field) {
+		$value = trim($post[$field[0]]);
+		if (!empty($value) && (!is_numeric($value) || ($value < $field[2])))
+			$input_errors[] = "The field '{$field[1]}' must contain a valid number greater than {$field[2]}";
+	}
+
+	$auth_method = $post['auth_method'];
+	if (($auth_method != 'none') && ($auth_method != 'local') && ($auth_method != 'cp')) {
+		$server = trim($post['auth_server']);
+		if (empty($server))
+			$input_errors[] = 'The field \'Authentication server\' is required';
+		else if (!is_ipaddr($server) && !is_domain($server))
+			$input_errors[] = 'The field \'Authentication server\' must contain a valid IP address or domain name';
+
+		$port = trim($post['auth_server_port']);
+		if (!empty($port) && !is_port($port))
+			$input_errors[] = 'The field \'Authentication server port\' must contain a valid port number';
+
+		switch ($auth_method) {
+			case 'ldap':
+				$user = trim($post['ldap_user']);
+				if (empty($user))
+					$input_errors[] = 'The field \'LDAP server user DN\' is required';
+				else if (!$user)
+					$input_errors[] = 'The field \'LDAP server user DN\' must be a valid domain name';
+				break;
+			case 'radius':
+				$secret = trim($post['radius_secret']);
+				if (empty($secret))
+					$input_errors[] = 'The field \'RADIUS secret\' is required';
+				break;
+			case 'msnt':
+				foreach (explode(",", trim($post['msnt_secondary'])) as $server) {
+					if (!empty($server) && !is_ipaddr($server) && !is_domain($server))
+						$input_errors[] = "The host '$server' is not a valid IP address or domain name";
+				}
+				break;
+		}
+
+		$no_auth = explode("\n", $post['no_auth_hosts']);
+		foreach ($no_auth as $host) {
+			$host = trim($host);
+			if (!empty($host) && !is_subnet($host))
+				$input_errors[] = "The host '$host' is not a valid CIDR range";
+		}
+	}
+}
+
+function squid_install_cron($should_install) {
+	global $config, $g;
+	if($g['booting']==true)
+		return;
+	$rotate_is_installed = false;
+	$swapstate_is_installed = false;
+
+	if(!$config['cron']['item'])
+		return;
+
+	if (is_array($config['installedpackages']['squidcache']))
+		$settings = $config['installedpackages']['squidcache']['config'][0];
+	else
+		$settings = array();
+
+	$x=0;
+	$rotate_job_id=-1;
+	$swapstate_job_id=-1;
+	$cron_cmd=($settings['clear_cache']=='on' ?  "/usr/local/pkg/swapstate_check.php clean; " : "");
+	$cron_cmd .= SQUID_LOCALBASE."/sbin/squid -k rotate -f " . SQUID_CONFFILE;
+	$need_write = false;
+	foreach($config['cron']['item'] as $item) {
+		if(strstr($item['task_name'], "squid_rotate_logs")) {
+			$rotate_job_id = $x;
+			if ($item['command'] != $cron_cmd){
+				$config['cron']['item'][$x]['command']=$cron_cmd;
+				$need_write = true;
+			}
+		} elseif(strstr($item['task_name'], "squid_check_swapstate")) {
+	  		$swapstate_job_id = $x;
+		}
+		$x++;
+	}
+	switch($should_install) {
+		case true:
+			$cachedir =($settings['harddisk_cache_location'] ? $settings['harddisk_cache_location'] : '/var/squid/cache');
+			if($rotate_job_id < 0) {
+				$cron_item['command']=($settings['clear_cache']=='on' ?  "/usr/local/pkg/swapstate_check.php clean; " : "");
+				$cron_item = array();
+				$cron_item['task_name'] = "squid_rotate_logs";
+				$cron_item['minute'] = "0";
+				$cron_item['hour'] = "0";
+				$cron_item['mday'] = "*";
+				$cron_item['month'] = "*";
+				$cron_item['wday'] = "*";
+				$cron_item['who'] = "root";
+				$cron_item['command'] .= $cron_cmd;
+				/* Add this cron_item as a new entry at the end of the item array. */
+				$config['cron']['item'][] = $cron_item;
+				$need_write = true;
+			}
+			if($swapstate_job_id < 0) {
+				$cron_item = array();
+				$cron_item['task_name'] = "squid_check_swapstate";
+				$cron_item['minute'] = "*/15";
+				$cron_item['hour'] = "*";
+				$cron_item['mday'] = "*";
+				$cron_item['month'] = "*";
+				$cron_item['wday'] = "*";
+				$cron_item['who'] = "root";
+				$cron_item['command'] = "/usr/local/pkg/swapstate_check.php";
+				/* Add this cron_item as a new entry at the end of the item array. */
+				$config['cron']['item'][] = $cron_item;
+				$need_write = true;
+			}
+			if ($need_write) {
+				parse_config(true);
+				write_config("Adding Squid Cron Jobs");
+			}
+			break;
+		case false:
+			if($rotate_job_id >= 0) {
+				unset($config['cron']['item'][$rotate_job_id]);
+				$need_write = true;
+			}
+			if($swapstate_job_id >= 0) {
+				unset($config['cron']['item'][$swapstate_job_id]);
+				$need_write = true;
+			}
+			if ($need_write) {
+				parse_config(true);
+				write_config("Removing Squid Cron Jobs");
+			}
+			break;
+	}
+	configure_cron();
+}
+
+function squid_check_ca_hashes(){
+	global $config,$g;
+
+	#check certificates
+	$cert_count=0;
+	if (is_dir(SQUID_LOCALBASE. '/share/certs'))
+		if ($handle = opendir(SQUID_LOCALBASE.'/share/certs')) {
+    		while (false !== ($file = readdir($handle)))
+        		if (preg_match ("/\d+.0/",$file))
+            		$cert_count++;
+        	}
+    closedir($handle);
+	if ($cert_count < 10){
+		conf_mount_rw();
+		#create ca-root hashes from ca-root-nss package
+		log_error("Creating root certificate bundle hashes from the Mozilla Project");
+		$cas=file(SQUID_LOCALBASE.'/share/certs/ca-root-nss.crt');
+		$cert=0;
+		foreach ($cas as $ca){
+	    	if (preg_match("/--BEGIN CERTIFICATE--/",$ca))
+				$cert=1;
+			if ($cert == 1)
+				$crt.=$ca;
+			if (preg_match("/-END CERTIFICATE-/",$ca)){
+				file_put_contents("/tmp/cert.pem",$crt, LOCK_EX);
+				$cert_hash=array();
+				exec("/usr/bin/openssl x509 -hash -noout -in /tmp/cert.pem",$cert_hash);
+				file_put_contents(SQUID_LOCALBASE."/share/certs/".$cert_hash[0].".0",$crt,LOCK_EX);
+				$crt="";
+				$cert=0;
+				}
+			}
+		}
+}
+
+function squid_resync_general() {
+	global $g, $config, $valid_acls;
+
+	if (is_array($config['installedpackages']['squid']))
+		$settings = $config['installedpackages']['squid']['config'][0];
+	else
+		$settings=array();
+	$conf = "# This file is automatically generated by pfSense\n";
+	$conf .= "# Do not edit manually !\n\n";
+	#Check ssl interception
+	if (($settings['ssl_proxy'] == 'on')) {
+		squid_check_ca_hashes();
+		$srv_cert = lookup_ca($settings["dca"]);
+		if ($srv_cert != false) {
+			if(base64_decode($srv_cert['prv'])) {
+				#check if ssl_db was initilized by squid
+				if (! file_exists("/var/squid/lib/ssl_db/serial")){
+					if (is_dir("/var/squid/lib/ssl_db")){
+						mwexec("/bin/rm -rf /var/squid/lib/ssl_db");
+						}
+					mwexec(SQUID_LOCALBASE."/libexec/squid/ssl_crtd -c -s /var/squid/lib/ssl_db/");
+				}
+				#force squid user permission on /var/squid/lib/ssl_db/
+				squid_chown_recursive("/var/squid/lib/ssl_db/", 'proxy', 'proxy');
+				# cert, key, version, cipher,options, clientca, cafile, capath, crlfile, dhparams,sslflags, and sslcontext
+				$crt_pk=SQUID_CONFBASE."/serverkey.pem";
+				$crt_capath=SQUID_LOCALBASE."/share/certs/";
+				file_put_contents($crt_pk,base64_decode($srv_cert['prv']).base64_decode($srv_cert['crt']));
+				$sslcrtd_children= ($settings['sslcrtd_children'] ? $settings['sslcrtd_children'] : 5);
+				$ssl_interception.="ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=".($sslcrtd_children*2)."MB cert={$crt_pk} capath={$crt_capath}\n";
+				$interception_checks  = "sslcrtd_program ".SQUID_LOCALBASE."/libexec/squid/ssl_crtd -s /var/squid/lib/ssl_db -M 4MB -b 2048\n";
+				$interception_checks .= "sslcrtd_children {$sslcrtd_children}\n";
+				$interception_checks .= "sslproxy_capath {$crt_capath}\n";
+				if (preg_match("/sslproxy_cert_error/",$settings["interception_checks"]))
+					$interception_checks.="sslproxy_cert_error allow all\n";
+				if (preg_match("/sslproxy_flags/",$settings["interception_checks"]))
+					$interception_checks.="sslproxy_flags DONT_VERIFY_PEER\n";
+				if ($settings["interception_adapt"] != ""){
+					foreach (explode(",",$settings["interception_adapt"]) as $adapt)
+						$interception_checks.="sslproxy_cert_adapt {$adapt} all\n";
+					}
+			}
+		}
+	}
+	$port = ($settings['proxy_port'] ? $settings['proxy_port'] : 3128);
+	$ssl_port = ($settings['ssl_proxy_port'] ? $settings['ssl_proxy_port'] : 3127);
+
+#Read assigned interfaces
+	$real_ifaces = array();
+
+	if($settings['active_interface'])
+		$proxy_ifaces = explode(",", $settings['active_interface']);
+	else
+		$proxy_ifaces=array("lan");
+
+	if ($settings['transparent_proxy']=="on"){
+		$transparent_ifaces = explode(",", $settings['transparent_active_interface']);
+		foreach ($transparent_ifaces as $t_iface){
+			$t_iface_ip = squid_get_real_interface_address($t_iface);
+			if($t_iface_ip[0])
+				$real_ifaces[]=$t_iface_ip;
+			}
+		}
+	else{
+		$transparent_ifaces=array();
+	}
+
+	if ($settings['ssl_proxy']=="on"){
+		$ssl_ifaces = explode(",", $settings['ssl_active_interface']);
+		foreach ($ssl_ifaces as $s_iface){
+			$s_iface_ip = squid_get_real_interface_address($s_iface);
+			if($s_iface_ip[0])
+				$real_ifaces[]=$s_iface_ip;
+			}
+		}
+	else{
+		$ssl_ifaces=array();
+	}
+
+	#check all proxy interfaces selected
+	foreach ($proxy_ifaces as $iface) {
+		$iface_ip = squid_get_real_interface_address($iface);
+		if($iface_ip[0]) {
+			$real_ifaces[]=$iface_ip;
+			if (in_array($iface,$ssl_ifaces))
+				$conf .= "http_port {$iface_ip[0]}:{$port} {$ssl_interception}\n";
+			else
+				$conf .= "http_port {$iface_ip[0]}:{$port}\n";
+			}
+		}
+
+	if (($settings['transparent_proxy'] == 'on')) {
+		if ($settings['ssl_proxy'] == "on" && count($ssl_ifaces)>0){
+			$conf .= "http_port 127.0.0.1:{$port} intercept {$ssl_interception}\n";
+			$conf .= "https_port 127.0.0.1:{$ssl_port} intercept {$ssl_interception}\n";
+		}
+		else{
+			$conf .= "http_port 127.0.0.1:{$port} intercept\n";
+		}
+	}
+	$icp_port = ($settings['icp_port'] ? $settings['icp_port'] : 0);
+	$dns_v4_first= ($settings['dns_v4_first'] == "on" ? "on" : "off" );
+	$pidfile = "{$g['varrun_path']}/squid.pid";
+	$language = ($settings['error_language'] ? $settings['error_language'] : 'en');
+	$icondir = SQUID_CONFBASE . '/icons';
+	$hostname = ($settings['visible_hostname'] ? $settings['visible_hostname'] : 'localhost');
+	$email = ($settings['admin_email'] ? $settings['admin_email'] : 'admin@localhost');
+
+	$logdir = ($settings['log_dir'] ? $settings['log_dir'] : '/var/squid/logs');
+	if (! is_dir($logdir)){
+		make_dirs($logdir);
+		squid_chown_recursive($logdir, 'proxy', 'proxy');
+		}
+	$logdir_cache = $logdir . '/cache.log';
+	$logdir_access = ($settings['log_enabled'] == 'on' ? $logdir . '/access.log' : '/dev/null');
+	$pinger_helper = ($settings['disable_pinger']) =='on' ? 'off' : 'on';
+	$pinger_program=SQUID_LOCALBASE."/libexec/squid/pinger";
+
+	$conf .= <<< EOD
+icp_port {$icp_port}
+dns_v4_first {$dns_v4_first}
+pid_filename {$pidfile}
+cache_effective_user proxy
+cache_effective_group proxy
+error_default_language {$language}
+icon_directory {$icondir}
+visible_hostname {$hostname}
+cache_mgr {$email}
+access_log {$logdir_access}
+cache_log {$logdir_cache}
+cache_store_log none
+netdb_filename {$logdir}/netdb.state
+pinger_enable {$pinger_helper}
+pinger_program {$pinger_program}
+{$interception_checks}
+
+EOD;
+
+// Per squid docs, setting logfile_rotate to 0 is safe and causes a simple close/reopen.
+$rotate = empty($settings['log_rotate']) ? 0 : $settings['log_rotate'];
+$conf .= "logfile_rotate {$rotate}\n";
+$conf .= "debug_options rotate={$rotate}\n";
+squid_install_cron(true);
+
+	$conf .= <<< EOD
+shutdown_lifetime 3 seconds
+
+EOD;
+
+	if ($settings['allow_interface'] == 'on') {
+		$src = '';
+		foreach ($real_ifaces as $iface) {
+			list($ip, $mask) = $iface;
+			$ip = long2ip(ip2long($ip) & ip2long($mask));
+			$mask = 32-log((ip2long($mask) ^ ip2long('255.255.255.255'))+1,2);
+			if (!preg_match("@$ip/$mask@",$src))
+				$src .= " $ip/$mask";
+		}
+		$conf .= "# Allow local network(s) on interface(s)\n";
+		$conf .= "acl localnet src $src\n";
+		$valid_acls[] = 'localnet';
+	}
+	if ($settings['disable_xforward']) $conf .= "forwarded_for off\n";
+	if ($settings['disable_via']) $conf .= "via off\n";
+	if ($settings['disable_squidversion']) $conf .= "httpd_suppress_version_string on\n";
+	if (!empty($settings['uri_whitespace'])) $conf .= "uri_whitespace {$settings['uri_whitespace']}\n";
+  else $conf .= "uri_whitespace strip\n"; //only used for first run
+
+	if(!empty($settings['dns_nameservers'])) {
+	  $altdns = explode(";", ($settings['dns_nameservers']));
+    $conf .= "dns_nameservers ";
+	 foreach ($altdns as $dnssrv) {
+    $conf .= $dnssrv." ";
+	 }
+//  $conf .= "\n";  //Kill blank line after DNS-Servers
+   }
+
+  return $conf;
+}
+
+
+function squid_resync_cache() {
+	global $config, $g;
+	if (is_array($config['installedpackages']['squidcache']))
+		$settings = $config['installedpackages']['squidcache']['config'][0];
+	else
+		$settings = array();
+	//apply cache settings
+	$cachedir =($settings['harddisk_cache_location'] ? $settings['harddisk_cache_location'] : '/var/squid/cache');
+	$disk_cache_size = ($settings['harddisk_cache_size'] ? $settings['harddisk_cache_size'] : 100);
+	$level1 = ($settings['level1_subdirs'] ? $settings['level1_subdirs'] : 16);
+	$memory_cache_size = ($settings['memory_cache_size'] ? $settings['memory_cache_size'] : 8);
+	$max_objsize = ($settings['maximum_object_size'] ? $settings['maximum_object_size']." KB" : "10 KB");
+	$min_objsize = ($settings['minimum_object_size'] ? $settings['minimum_object_size'] : 0);
+	$max_objsize_in_mem = ($settings['maximum_objsize_in_mem'] ? $settings['maximum_objsize_in_mem'] : 32);
+	$cache_policy = ($settings['cache_replacement_policy'] ? $settings['cache_replacement_policy'] : 'heap LFUDA');
+	$memory_policy = ($settings['memory_replacement_policy'] ? $settings['memory_replacement_policy'] : 'heap GDSF');
+	$offline_mode = ($settings['enable_offline'] == 'on' ? 'on' : 'off');
+	$conf = '';
+	if (!isset($settings['harddisk_cache_system'])) {
+		if ($g['platform'] == "nanobsd" || !is_array ($config['installedpackages']['squidcache']['config']))
+			$disk_cache_system = 'null';
+		else
+			$disk_cache_system = 'ufs';
+		}
+	else{
+		$disk_cache_system = $settings['harddisk_cache_system'];
+		}
+	#'null' storage type dropped. In-memory cache is always present. Remove all cache_dir options to prevent on-disk caching.
+	if ($disk_cache_system != "null") {
+		$disk_cache_opts =	"cache_dir {$disk_cache_system} {$cachedir} {$disk_cache_size} {$level1} 256";
+	}
+//check dynamic content
+if(empty($settings['cache_dynamic_content'])){
+	$conf.='acl dynamic urlpath_regex cgi-bin \?'."\n";
+	$conf.="cache deny dynamic\n";
+}
+else{
+	if(preg_match('/youtube/',$settings['refresh_patterns'])){
+		$conf.=<<< EOC
+# Break HTTP standard for flash videos. Keep them in cache even if asked not to.
+refresh_pattern -i \.flv$ 10080 90% 999999 ignore-no-cache override-expire ignore-private
+
+# Let the clients favorite video site through with full caching
+acl youtube dstdomain .youtube.com
+cache allow youtube
+
+EOC;
+	}
+	if(preg_match('/windows/',$settings['refresh_patterns'])){
+		$conf.=<<< EOC
+
+# Windows Update refresh_pattern
+range_offset_limit -1
+refresh_pattern -i microsoft.com/.*\.(cab|exe|ms[i|u|f]|asf|wm[v|a]|dat|zip) 4320 80% 43200 reload-into-ims
+refresh_pattern -i windowsupdate.com/.*\.(cab|exe|ms[i|u|f]|asf|wm[v|a]|dat|zip) 4320 80% 43200 reload-into-ims
+refresh_pattern -i windows.com/.*\.(cab|exe|ms[i|u|f]|asf|wm[v|a]|dat|zip) 4320 80% 43200 reload-into-ims
+
+EOC;
+		}
+
+if(preg_match('/symantec/',$settings['refresh_patterns'])){
+		$conf.=<<< EOC
+
+# Symantec refresh_pattern
+range_offset_limit -1
+refresh_pattern liveupdate.symantecliveupdate.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
+refresh_pattern symantecliveupdate.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
+
+EOC;
+		}
+if(preg_match('/avast/',$settings['refresh_patterns'])){
+		$conf.=<<< EOC
+
+# Avast refresh_pattern
+range_offset_limit -1
+refresh_pattern avast.com/.*\.(vpu|cab|stamp|exe) 10080 100% 43200 reload-into-ims
+
+EOC;
+		}
+if(preg_match('/avira/',$settings['refresh_patterns'])){
+		$conf.=<<< EOC
+
+# Avira refresh_pattern
+range_offset_limit -1
+refresh_pattern personal.avira-update.com/.*\.(cab|exe|dll|msi|gz) 10080 100% 43200 reload-into-ims
+
+EOC;
+	}
+	$refresh_conf=<<< EOC
+
+# Add any of your own refresh_pattern entries above these.
+refresh_pattern ^ftp:    1440  20%  10080
+refresh_pattern ^gopher:  1440  0%  1440
+refresh_pattern -i (/cgi-bin/|\?) 0  0%  0
+refresh_pattern .    0  20%  4320
+
+EOC;
+}
+
+	If ($settings['custom_refresh_patterns'] !="")
+		$conf .= sq_text_area_decode($settings['custom_refresh_patterns'])."\n";
+
+	$conf .= <<< EOD
+
+cache_mem $memory_cache_size MB
+maximum_object_size_in_memory {$max_objsize_in_mem} KB
+memory_replacement_policy {$memory_policy}
+cache_replacement_policy {$cache_policy}
+$disk_cache_opts
+minimum_object_size {$min_objsize} KB
+maximum_object_size {$max_objsize}
+offline_mode {$offline_mode}
+
+EOD;
+
+	if (!empty($settings['cache_swap_low'])) $conf .= "cache_swap_low {$settings['cache_swap_low']}\n";
+	if (!empty($settings['cache_swap_high'])) $conf .= "cache_swap_high {$settings['cache_swap_high']}\n";
+
+	$donotcache = sq_text_area_decode($settings['donotcache']);
+	if (!empty($donotcache)) {
+		file_put_contents(SQUID_ACLDIR . '/donotcache.acl', $donotcache);
+		$conf .= 'acl donotcache dstdomain "' . SQUID_ACLDIR . "/donotcache.acl\"\n";
+		$conf .= "cache deny donotcache\n";
+	}
+	elseif (file_exists(SQUID_ACLDIR . '/donotcache.acl')) {
+     unlink(SQUID_ACLDIR . '/donotcache.acl');
+    }
+    $conf .= "cache allow all\n";
+	return $conf.$refresh_conf;
+}
+
+function squid_resync_upstream() {
+	global $config;
+	$conf = "\n#Remote proxies\n";
+	if (is_array($config['installedpackages']['squidremote']['config']))
+	  foreach ($config['installedpackages']['squidremote']['config'] as $settings){
+		if ($settings['enable'] == 'on') {
+			$conf .= "cache_peer {$settings['proxyaddr']} {$settings['hierarchy']} {$settings['proxyport']} ";
+			if ($settings['icpport'] == '7')
+			  	$conf .= "{$settings['icpport']} {$settings['icpoptions']} {$settings['peermethod']} {$settings['allowmiss']} ";
+	    	else
+	      		$conf .= "{$settings['icpport']} ";
+	      	#auth settings
+			if (!empty($settings['username']) && !empty($settings['password'])){
+				$conf .= " login={$settings['username']}:{$settings['password']}";
+				}
+			else{
+				$conf .= "{$settings['authoption']} ";
+			}
+			#other options settings
+			if (!empty($settings['weight']))
+				$conf .= "weight={$settings['weight']} ";
+			if (!empty($settings['basetime']))
+				$conf .= "basetime={$settings['basetime']} ";
+			if (!empty($settings['ttl']))
+				$conf .= "ttl={$settings['ttl']} ";
+			if (!empty($settings['nodelay']))
+				$conf .= "no-delay";
+		}
+		$conf .= "\n";
+	 }
+	return $conf;
+}
+
+function squid_resync_redirector() {
+	global $config;
+
+	$httpav_enabled = ($config['installedpackages']['clamav']['config'][0]['scan_http'] == 'on');
+	if ($httpav_enabled) {
+		$conf = "url_rewrite_program /usr/local/bin/squirm\n";
+	} else {
+		$conf = "# No redirector configured\n";
+	}
+	return $conf;
+}
+
+function squid_resync_nac() {
+	global $config, $valid_acls;
+
+	$port = ($settings['proxy_port'] ? $settings['proxy_port'] : 3128);
+	if (is_array($config['installedpackages']['squidnac']))
+		$settings = $config['installedpackages']['squidnac']['config'][0];
+	else
+		$settings = array();
+	$webgui_port = $config['system']['webgui']['port'];
+	$addtl_ports = $settings['addtl_ports'];
+	$addtl_sslports = $settings['addtl_sslports'];
+	$port = ($settings['proxy_port'] ? $settings['proxy_port'] : 3128);
+	$ssl_port = ($settings['ssl_proxy_port'] ? $settings['ssl_proxy_port'] : 3127);
+	$conf = <<< EOD
+
+# Setup some default acls
+# From 3.2 further configuration cleanups have been done to make things easier and safer. The manager, localhost, and to_localhost ACL definitions are now built-in.
+# acl localhost src 127.0.0.1/32
+acl allsrc src all
+acl safeports port 21 70 80 210 280 443 488 563 591 631 777 901 $webgui_port $port $ssl_port 1025-65535 $addtl_ports
+acl sslports port 443 563 $webgui_port $addtl_sslports
+
+# From 3.2 further configuration cleanups have been done to make things easier and safer. The manager, localhost, and to_localhost ACL definitions are now built-in.
+#acl manager proto cache_object
+
+acl purge method PURGE
+acl connect method CONNECT
+
+# Define protocols used for redirects
+acl HTTP proto HTTP
+acl HTTPS proto HTTPS
+
+EOD;
+
+	$allowed_subnets = preg_replace("/\s+/"," ",sq_text_area_decode($settings['allowed_subnets']));
+	#$allowed = "";
+	#foreach ($allowed_subnets as $subnet) {
+	#	if(!empty($subnet)) {
+	#		$subnet = trim($subnet);
+	#		$allowed .= "$subnet ";
+	#	}
+	#}
+	if (!empty($allowed_subnets)) {
+		$conf .= "acl allowed_subnets src $allowed_subnets\n";
+		$valid_acls[] = 'allowed_subnets';
+	}
+
+	$options = array(	'unrestricted_hosts' => 'src',
+				'banned_hosts' => 'src',
+				'whitelist' => 'dstdom_regex -i',
+				'blacklist' => 'dstdom_regex -i',
+				'block_user_agent' => 'browser -i',
+				'block_reply_mime_type' => 'rep_mime_type -i',
+	);
+	foreach ($options as $option => $directive) {
+		$contents = sq_text_area_decode($settings[$option]);
+		if (!empty($contents)) {
+			file_put_contents(SQUID_ACLDIR . "/$option.acl", $contents);
+			$conf .= "acl $option $directive \"" . SQUID_ACLDIR . "/$option.acl\"\n";
+			$valid_acls[] = $option;
+		}
+		elseif (file_exists(SQUID_ACLDIR . "/$option.acl")) {
+      unlink(SQUID_ACLDIR . "/$option.acl");
+    }
+	}
+
+	$conf .= <<< EOD
+http_access allow manager localhost
+
+EOD;
+
+	if (is_array($config['installedpackages']['squidcache'])){
+		$settings_ch = $config['installedpackages']['squidcache']['config'][0];
+		if(!empty($settings_ch['ext_cachemanager'])) {
+	  		$extmgr = explode(";", ($settings_ch['ext_cachemanager']));
+    		$conf .= "\n# Allow external cache managers\n";
+	 		foreach ($extmgr as $mgr) {
+    			$conf .= "acl ext_manager src {$mgr}\n";
+	 			}
+	 		$conf .= "http_access allow manager ext_manager\n";
+			}
+		}
+
+  $conf .= <<< EOD
+
+http_access deny manager
+http_access allow purge localhost
+http_access deny purge
+http_access deny !safeports
+http_access deny CONNECT !sslports
+
+# Always allow localhost connections
+# From 3.2 further configuration cleanups have been done to make things easier and safer.
+# The manager, localhost, and to_localhost ACL definitions are now built-in.
+# http_access allow localhost
+
+EOD;
+
+	return $conf;
+}
+
+function squid_resync_antivirus(){
+	global $config;
+
+	if (is_array($config['installedpackages']['squidantivirus']))
+		$antivirus_config = $config['installedpackages']['squidantivirus']['config'][0];
+	else
+		$antivirus_config = array();
+
+	if ($antivirus_config['enable']=="on"){
+		switch ($antivirus_config['client_info']){
+			case "both":
+				$icap_send_client_ip="on";
+				$icap_send_client_username="on";
+				break;
+			case "IP":
+				$icap_send_client_ip="on";
+				$icap_send_client_username="off";
+				break;
+			case "username":
+				$icap_send_client_ip="off";
+				$icap_send_client_username="on";
+				break;
+			case "none":
+				$icap_send_client_ip="off";
+				$icap_send_client_username="off";
+				break;
+		}
+		if (is_array($config['installedpackages']['squid']))
+			$squid_config=$config['installedpackages']['squid']['config'][0];
+		$clwarn="clwarn.cgi.en_EN";
+		if (preg_match("/de/i",$squid_config['error_language']))
+			$clwarn="clwarn.cgi.de_DE";
+		if (preg_match("/ru/i",$squid_config['error_language']))
+			$clwarn="clwarn.cgi.ru_RU";
+		if (preg_match("/fr/i",$squid_config['error_language']))
+			$clwarn="clwarn.cgi.fr_FR";
+		if (preg_match("/pt_br/i",$squid_config['error_language']))
+			$clwarn="clwarn.cgi.pt_BR";
+		$clwarn_file="/usr/local/www/clwarn.cgi";
+		copy(SQUID_LOCALBASE."/libexec/squidclamav/{$clwarn}",$clwarn_file);
+
+		#fix perl path on clwarn.cgi
+		$clwarn_file_new=file_get_contents($clwarn_file);
+		$c_pattern[]="@/usr/\S+/perl@";
+		$c_replacement[]=SQUID_LOCALBASE."/bin/perl";
+		/*$c_pattern[]="@redirect \S+/clwarn.cgi@";
+		$gui_proto=$config['system']['webgui']['protocol'];
+		$gui_port=$config['system']['webgui']['port'];
+		if($gui_port == "") {
+			$gui_port($gui_proto == "http"?"80":"443");
+			}
+		$c_replacement[]=SQUID_LOCALBASE."redirect {$gui_proto}://127.0.0.1:{$gui_port}/clwarn.cgi";
+		*/
+		$clwarn_file_new=preg_replace($c_pattern, $c_replacement,$clwarn_file_new);
+		file_put_contents($clwarn_file, $clwarn_file_new,LOCK_EX);
+
+		#fix clwarn.cgi file permission
+		chmod($clwarn_file,0755);
+
+		$conf = <<< EOF
+icap_enable on
+icap_send_client_ip {$icap_send_client_ip}
+icap_send_client_username {$icap_send_client_username}
+icap_client_username_encode off
+icap_client_username_header X-Authenticated-User
+icap_preview_enable on
+icap_preview_size 1024
+
+icap_service service_req reqmod_precache bypass=0 icap://127.0.0.1:1344/squidclamav
+icap_service service_resp respmod_precache bypass=0 icap://127.0.0.1:1344/squidclamav
+
+adaptation_access service_req allow all
+adaptation_access service_resp allow all
+
+EOF;
+		#check if icap is enabled on rc.conf.local
+		if (file_exists("/etc/rc.conf.local")){
+			$rc_old_file=file("/etc/rc.conf.local");
+			foreach ($rc_old_file as $rc_line){
+				if (preg_match("/^(c_icap_enable|clamav_clamd_enable)/",$rc_line,$matches)){
+					$rc_file.=$matches[1].'="YES"'."\n";
+					${$matches[1]}="ok";
+				}
+				else
+					$rc_file.=$rc_line;
+			}
+		}
+		if (!isset($c_icap_enable))
+			$rc_file.='c_icap_enable="YES"'."\n";
+		if (!isset($clamav_clamd_enable))
+			$rc_file.='clamav_clamd_enable="YES"'."\n";
+		file_put_contents("/etc/rc.conf.local",$rc_file,LOCK_EX);
+		squid_check_clamav_user('clamav');
+		#patch sample files to pfsense dirs
+		#squidclamav.conf
+		if (!file_exists(SQUID_LOCALBASE."/etc/c-icap/squidclamav.conf.sample"))
+			if (file_exists(SQUID_LOCALBASE."/etc/c-icap/squidclamav.conf.default")){
+				$sample_file=file_get_contents(SQUID_LOCALBASE."/etc/c-icap/squidclamav.conf.default");
+				$clamav_m[0]="@/var/run/clamav/clamd.ctl@";
+				$clamav_r[0]="/var/run/clamav/clamd.sock";
+				file_put_contents(SQUID_LOCALBASE."/etc/c-icap/squidclamav.conf.sample",preg_replace($clamav_m,$clamav_r,$sample_file),LOCK_EX);
+			}
+		#c-icap.conf
+		if (!file_exists(SQUID_LOCALBASE."/etc/c-icap/c-icap.conf.sample"))
+			if (file_exists(SQUID_LOCALBASE."/etc/c-icap/c-icap.conf.default")){
+				$sample_file=file_get_contents(SQUID_LOCALBASE."/etc/c-icap/c-icap.conf.default");
+				if (! preg_match ("/squidclamav/"))
+					$sample_file.="\nService squidclamav squidclamav.so\n";
+
+				file_put_contents(SQUID_LOCALBASE."/etc/c-icap/c-icap.conf.sample",$sample_file,LOCK_EX);
+			}
+		$loadsample=0;
+		if ($antivirus_config['squidclamav'] =="" && file_exists(SQUID_LOCALBASE."/etc/c-icap/squidclamav.conf.sample")){
+			$config['installedpackages']['squidantivirus']['config'][0]['squidclamav']=base64_encode(file_get_contents(SQUID_LOCALBASE."/etc/c-icap/squidclamav.conf.sample"));
+			$loadsample++;
+		}
+		if ($antivirus_config['c-icap_conf'] =="" && file_exists(SQUID_LOCALBASE."/etc/c-icap/c-icap.conf.sample")){
+			$config['installedpackages']['squidantivirus']['config'][0]['c-icap_conf']=base64_encode(file_get_contents(SQUID_LOCALBASE."/etc/c-icap/c-icap.conf.sample"));
+			$loadsample++;
+		}
+		if ($antivirus_config['squidclamav'] =="" && file_exists(SQUID_LOCALBASE."/etc/c-icap/c-icap.magic.default")){
+			$config['installedpackages']['squidantivirus']['config'][0]['c-icap_magic']=base64_encode(file_get_contents(SQUID_LOCALBASE."/etc/c-icap/c-icap.magic.default"));
+			$loadsample++;
+		}
+		if($loadsample > 0){
+			write_config();
+			$antivirus_config = $config['installedpackages']['squidantivirus']['config'][0];
+		}
+		#check dirs
+		$dirs=array("/var/run/c-icap" => "clamav",
+					"/var/log/c-icap" => "clamav",
+					"/var/log/clamav" => "clamav",
+					"/var/run/clamav" => "clamav",
+					"/var/db/clamav" => "clamav");
+		foreach ($dirs as $dir_path => $dir_user){
+		if (!is_dir($dir_path))
+			make_dirs($dir_path);
+		squid_chown_recursive($dir_path, $dir_user, "wheel");
+		}
+		#Check clamav database
+		if (count(glob("/var/db/clamav/*d"))==0){
+			log_error("Squid - Missing /var/db/clamav/*.cvd or *.cld files. Running freshclam on background.");
+			mwexec_bg(SQUID_LOCALBASE."/bin/freshclam");
+		}
+		#check startup scripts on pfsense > 2.1
+		if (preg_match("/usr.pbi/",SQUID_LOCALBASE)){
+			$rcd_files = scandir(SQUID_LOCALBASE."/etc/rc.d");
+			foreach($rcd_files as $rcd_file)
+				if (!file_exists("/usr/local/etc/rc.d/{$rcd_file}"))
+					symlink (SQUID_LOCALBASE."/etc/rc.d/{$rcd_file}","/usr/local/etc/rc.d/{$rcd_file}");
+		}
+
+		#write advanced icap config files
+		file_put_contents(SQUID_LOCALBASE."/etc/c-icap/squidclamav.conf",base64_decode($antivirus_config['squidclamav']),LOCK_EX);
+		file_put_contents(SQUID_LOCALBASE."/etc/c-icap/c-icap.conf",base64_decode($antivirus_config['c-icap_conf']),LOCK_EX);
+		file_put_contents(SQUID_LOCALBASE."/etc/c-icap/c-icap.magic",base64_decode($antivirus_config['c-icap_magic']),LOCK_EX);
+
+		#check antivirus daemons
+		#check icap
+		if (is_process_running("c-icap")){
+			mwexec_bg('/bin/echo -n "reconfigure" > /var/run/c-icap/c-icap.ctl');
+			}
+		else{
+			#check c-icap user on startup file
+				$c_icap_rcfile="/usr/local/etc/rc.d/c-icap";
+			if (file_exists($c_icap_rcfile)){
+				$sample_file=file_get_contents($c_icap_rcfile);
+				$cicapm[0]="@c_icap_user=.*}@";
+				$cicapr[0]='c_icap_user="clamav"}';
+				file_put_contents($c_icap_rcfile,preg_replace($cicapm,$cicapr,$sample_file),LOCK_EX);
+				}
+			mwexec_bg("/usr/local/etc/rc.d/c-icap start");
+			}
+		#check clamav
+		if (is_process_running("clamd"))
+			mwexec_bg("/usr/local/etc/rc.d/clamav-clamd reload");
+		else
+			mwexec_bg("/usr/local/etc/rc.d/clamav-clamd start");
+		}
+return $conf;
+}
+
+function squid_resync_traffic() {
+	global $config, $valid_acls;
+
+	if(!is_array($valid_acls))
+		return;
+	if (is_array($config['installedpackages']['squidtraffic']))
+		$settings = $config['installedpackages']['squidtraffic']['config'][0];
+	else
+		$settings = array();
+
+	$conf = '';
+	if (!empty($settings['quick_abort_min']) || ($settings['quick_abort_min']) == "0")
+		$conf .= "quick_abort_min {$settings['quick_abort_min']} KB\n";
+	if (!empty($settings['quick_abort_max']) || ($settings['quick_abort_max']) == "0")
+		$conf .= "quick_abort_max {$settings['quick_abort_max']} KB\n";
+	if (!empty($settings['quick_abort_pct']))
+		$conf .= "quick_abort_pct {$settings['quick_abort_pct']}\n";
+
+	$up_limit = ($settings['max_upload_size'] ? $settings['max_upload_size'] : 0);
+	$down_limit = ($settings['max_download_size'] ? $settings['max_download_size'] : 0);
+	$conf .= "request_body_max_size $up_limit KB\n";
+	if ($down_limit != 0)
+		$conf .= 'reply_body_max_size ' . $down_limit . " KB allsrc \n";
+
+
+	// Only apply throttling past 10MB
+	// XXX: Should this really be hardcoded?
+	$threshold = 10 * 1024 * 1024;
+	$overall = $settings['overall_throttling'];
+	if (!isset($overall) || ($overall == 0))
+		$overall = -1;
+	else
+		$overall *= 1024;
+	$perhost = $settings['perhost_throttling'];
+	if (!isset($perhost) || ($perhost == 0))
+		$perhost = -1;
+	else
+		$perhost *= 1024;
+	$conf .= <<< EOD
+delay_pools 1
+delay_class 1 2
+delay_parameters 1 $overall/$overall $perhost/$perhost
+delay_initial_bucket_level 100
+
+EOD;
+
+	if(! empty($settings['unrestricted_hosts'])) {
+		foreach (array('unrestricted_hosts') as $item) {
+			if (in_array($item, $valid_acls))
+				$conf .= "# Do not throttle unrestricted hosts\n";
+				$conf .= "delay_access 1 deny $item\n";
+		}
+	}
+
+	if ($settings['throttle_specific'] == 'on') {
+		$exts = array();
+		$binaries = 'bin,cab,sea,ar,arj,tar,tgz,gz,tbz,bz2,zip,7z,exe,com';
+		$cdimages = 'iso,bin,mds,nrg,gho,bwt,b5t,pqi';
+		$multimedia = 'aiff?,asf,avi,divx,mov,mp3,mp4,wmv,mpe?g,qt,ra?m';
+		foreach (array(	'throttle_binaries' => $binaries,
+				'throttle_cdimages' => $cdimages,
+				'throttle_multimedia' => $multimedia) as $field => $set) {
+			if ($settings[$field] == 'on')
+				$exts = array_merge($exts, explode(",", $set));
+		}
+
+		foreach (explode(",", $settings['throttle_others']) as $ext) {
+			if (!empty($ext)) $exts[] = $ext;
+		}
+
+		$contents = '';
+		foreach ($exts as $ext)
+			$contents .= "\.$ext\$\n";
+		file_put_contents(SQUID_ACLDIR . '/throttle_exts.acl', $contents);
+
+		$conf .= "# Throttle extensions matched in the url\n";
+		$conf .= "acl throttle_exts urlpath_regex -i \"" . SQUID_ACLDIR . "/throttle_exts.acl\"\n";
+		$conf .= "delay_access 1 allow throttle_exts\n";
+		$conf .= "delay_access 1 deny allsrc\n";
+	}
+	else
+		$conf .= "delay_access 1 allow allsrc\n";
+
+	return $conf;
+}
+
+function squid_get_server_certs() {
+	global $config;
+	$cert_arr = array();
+	$cert_arr[] = array('refid' => 'none', 'descr' => 'none');
+	foreach ($config['cert'] as $cert) {
+		$cert_arr[] = array('refid' => $cert['refid'], 'descr' => $cert['descr']);
+	}
+	return $cert_arr;
+}
+
+#squid reverse
+include('/usr/local/pkg/squid_reverse.inc');
+
+function squid_resync_auth() {
+	global $config, $valid_acls;
+	$write_config=0;
+	if (!is_array($config['installedpackages']['squidauth']['config'])){
+		$config['installedpackages']['squidauth']['config'][]=array('auth_method'=> "none");
+		$write_config++;
+		}
+	$settings = $config['installedpackages']['squidauth']['config'][0];
+	if (is_array($config['installedpackages']['squidnac']['config']))
+		$settingsnac = $config['installedpackages']['squidnac']['config'][0];
+	else
+		$settingsnac = array();
+
+	if (is_array($config['installedpackages']['squid']['config']))
+		$settingsconfig = $config['installedpackages']['squid']['config'][0];
+	else
+		$settingsconfig = array();
+
+	if ($write_config > 0)
+		write_config();
+
+	$conf = '';
+
+	// SSL interception acl options part 1
+	if ($settingsconfig['ssl_proxy'] == "on" && ! empty($settingsnac['whitelist'])){
+		$conf .= "always_direct allow whitelist\n";
+		$conf .= "ssl_bump none whitelist\n";
+		}
+
+	// Package integration
+	if(!empty($settingsconfig['custom_options'])){
+		$co_preg[0]='/;/';
+		$co_rep[0]="\n";
+		$co_preg[1]="/redirect_program/";
+		$co_rep[1]="url_rewrite_program";
+		$co_preg[2]="/redirector_bypass/";
+		$co_rep[2]="url_rewrite_bypass";
+		$conf.="# Package Integration\n".preg_replace($co_preg,$co_rep,$settingsconfig['custom_options'])."\n\n";
+		}
+
+	// Custom User Options before authentication acls
+	$conf .= "# Custom options before auth\n".sq_text_area_decode($settingsconfig['custom_options_squid3'])."\n\n";
+
+	// Deny the banned guys before allowing the good guys
+	if(! empty($settingsnac['banned_hosts'])) {
+		if (squid_is_valid_acl('banned_hosts')) {
+			$conf .= "# These hosts are banned\n";
+			$conf .= "http_access deny banned_hosts\n";
+		}
+	}
+	if(! empty($settingsnac['banned_macs'])) {
+		if (squid_is_valid_acl('banned_macs')) {
+			$conf .= "# These macs are banned\n";
+			$conf .= "http_access deny banned_macs\n";
+		}
+	}
+
+	// Unrestricted hosts take precedence over blacklist
+	if(! empty($settingsnac['unrestricted_hosts'])) {
+		if (squid_is_valid_acl('unrestricted_hosts') && $settings['unrestricted_auth']!= "on") {
+			$conf .= "# These hosts do not have any restrictions\n";
+			$conf .= "http_access allow unrestricted_hosts\n";
+		}
+	}
+	if(! empty($settingsnac['unrestricted_macs'])) {
+		if (squid_is_valid_acl('unrestricted_macs')) {
+			$conf .= "# These hosts do not have any restrictions\n";
+			$conf .= "http_access allow unrestricted_macs\n";
+		}
+	}
+
+	// Whitelist and blacklist also take precedence over other allow rules
+	if(! empty($settingsnac['whitelist'])) {
+		if (squid_is_valid_acl('whitelist')) {
+			$conf .= "# Always allow access to whitelist domains\n";
+			$conf .= "http_access allow whitelist\n";
+		}
+	}
+	if(! empty($settingsnac['blacklist'])) {
+		if (squid_is_valid_acl('blacklist')) {
+			$conf .= "# Block access to blacklist domains\n";
+			$conf .= "http_access deny blacklist\n";
+		}
+	}
+	if(! empty($settingsnac['block_user_agent'])) {
+		if (squid_is_valid_acl('block_user_agent')) {
+			$conf .= "# Block access with user agents and browsers\n";
+			$conf .= "http_access deny block_user_agent\n";
+		}
+	}
+	if(! empty($settingsnac['block_reply_mime_type'])) {
+		if (squid_is_valid_acl('block_reply_mime_type')) {
+			$conf .= "# Block access with mime type in the reply\n";
+			$conf .= "http_reply_access deny block_reply_mime_type\n";
+		}
+	}
+
+	// SSL interception acl options part 2
+	/*if ($settingsconfig['ssl_proxy'] == "on"){
+			$conf .= "always_direct allow all\n";
+			$conf .= "ssl_bump server-first all\n";
+		}*/
+
+	// Include squidguard denied acl log in squid
+	if ($settingsconfig['log_sqd'])
+		$conf .= "acl sglog url_regex -i sgr=ACCESSDENIED\n";
+
+	$transparent_proxy = ($settingsconfig['transparent_proxy'] == 'on');
+	if ($transparent_proxy){
+		if (preg_match ("/(none|cp)/",$settings['auth_method']))
+			$auth_method=$settings['auth_method'];
+		else
+			$auth_method="none";
+	}
+	else{
+		$auth_method=$settings['auth_method'];
+	}
+	// Allow the remaining ACLs if no authentication is set
+	if ($auth_method == 'none' || $auth_method == 'cp') {
+		// Include squidguard denied acl log in squid
+		if ($settingsconfig['log_sqd'])
+			$conf .="http_access deny sglog\n";
+	}
+	if ($auth_method == 'none'  ) {
+		$conf .="# Setup allowed acls\n";
+		$allowed = array('allowed_subnets');
+		if ($settingsconfig['allow_interface'] == 'on') {
+			$conf .= "# Allow local network(s) on interface(s)\n";
+			$allowed[] = "localnet";
+		}
+		$allowed = array_filter($allowed, 'squid_is_valid_acl');
+		foreach ($allowed as $acl)
+			$conf .= "http_access allow $acl\n";
+	}
+	else {
+		$noauth = implode(' ', explode("\n", base64_decode($settings['no_auth_hosts'])));
+		if (!empty($noauth)) {
+			$conf .= "acl noauth src $noauth\n";
+			$valid_acls[] = 'noauth';
+		}
+
+		// Set up the external authentication programs
+		$auth_ttl = ($settings['auth_ttl'] ? $settings['auth_ttl'] : 5);
+		$processes = ($settings['auth_processes'] ? $settings['auth_processes'] : 5);
+		$prompt = ($settings['auth_prompt'] ? $settings['auth_prompt'] : 'Please enter your credentials to access the proxy');
+		switch ($auth_method) {
+			case 'local':
+				$conf .= 'auth_param basic program '.SQUID_LOCALBASE.'/libexec/squid/basic_ncsa_auth ' . SQUID_PASSWD . "\n";
+				break;
+			case 'ldap':
+				$port = (isset($settings['auth_server_port']) ? ":{$settings['auth_server_port']}" : '');
+				$password = (isset($settings['ldap_pass']) ? "-w {$settings['ldap_pass']}" : '');
+				$conf .= "auth_param basic program " . SQUID_LOCALBASE . "/libexec/squid/basic_ldap_auth -v {$settings['ldap_version']} -b {$settings['ldap_basedomain']} -D {$settings['ldap_user']} $password -f \"{$settings['ldap_filter']}\" -u {$settings['ldap_userattribute']} -P {$settings['auth_server']}$port\n";
+				break;
+			case 'radius':
+				$port = (isset($settings['auth_server_port']) ? "-p {$settings['auth_server_port']}" : '');
+				$conf .= "auth_param basic program ". SQUID_LOCALBASE . "/libexec/squid/basic_radius_auth -w {$settings['radius_secret']} -h {$settings['auth_server']} $port\n";
+				break;
+			case 'cp':
+				$conf .= "external_acl_type check_cp children-startup={$processes} ttl={$auth_ttl} %SRC ". SQUID_LOCALBASE . "/libexec/squid/check_ip.php\n";
+				$conf .= "acl password external check_cp\n";
+				break;
+			case 'msnt':
+				$conf .= "auth_param basic program ". SQUID_LOCALBASE . "/libexec/squid/basic_msnt_auth\n";
+				squid_resync_msnt();
+				break;
+		}
+		if ($auth_method != 'cp'){
+		$conf .= <<< EOD
+auth_param basic children $processes
+auth_param basic realm $prompt
+auth_param basic credentialsttl $auth_ttl minutes
+acl password proxy_auth REQUIRED
+
+EOD;
+		}
+		// Custom User Options after authentication definition
+		$conf .= "# Custom options after auth\n".sq_text_area_decode($settingsconfig['custom_options2_squid3'])."\n\n";
+
+		// SSL interception acl options part 2
+		if ($settingsconfig['ssl_proxy'] == "on"){
+			$conf .= "always_direct allow all\n";
+			$conf .= "ssl_bump server-first all\n";
+			}
+		// Onto the ACLs
+		$password = array('localnet', 'allowed_subnets');
+		$passwordless = array('unrestricted_hosts');
+		if ($settings['unrestricted_auth'] == 'on') {
+			// Even the unrestricted hosts should authenticate
+			$password = array_merge($password, $passwordless);
+			$passwordless = array();
+		}
+		$passwordless[] = 'noauth';
+		$password = array_filter($password, 'squid_is_valid_acl');
+		$passwordless = array_filter($passwordless, 'squid_is_valid_acl');
+
+		// Allow the ACLs that don't need to authenticate
+		foreach ($passwordless as $acl)
+			$conf .= "http_access allow $acl\n";
+
+		//if ($auth_method != 'cp'){
+			// Include squidguard denied acl log in squid
+			if ($settingsconfig['log_sqd'])
+				$conf .="http_access deny password sglog\n";
+
+			// Allow the other ACLs as long as they authenticate
+			foreach ($password as $acl)
+				$conf .= "http_access allow password $acl\n";
+		//	}
+	}
+
+	$conf .= "# Default block all to be sure\n";
+	$conf .= "http_access deny allsrc\n";
+
+	return $conf;
+}
+
+function squid_resync_users() {
+	global $config;
+
+	$users = $config['installedpackages']['squidusers']['config'];
+	$contents = '';
+	if (is_array($users)) {
+		foreach ($users as $user)
+			$contents .= $user['username'] . ':' . crypt($user['password'], base64_encode($user['password'])) . "\n";
+	}
+	file_put_contents(SQUID_PASSWD, $contents);
+	chown(SQUID_PASSWD, 'proxy');
+	chmod(SQUID_PASSWD, 0600);
+}
+
+function squid_resync_msnt() {
+	global $config;
+
+	if (is_array($config['installedpackages']['squidauth']))
+		$settings = $config['installedpackages']['squidauth']['config'][0];
+	else
+		$settings = array();
+	$pdcserver = $settings['auth_server'];
+	$bdcserver = str_replace(',',' ',$settings['msnt_secondary']);
+	$ntdomain = $settings['auth_ntdomain'];
+
+	file_put_contents(SQUID_CONFBASE."/msntauth.conf","server {$pdcserver} {$bdcserver} {$ntdomain}");
+	chown(SQUID_CONFBASE."/msntauth.conf", 'proxy');
+	chmod(SQUID_CONFBASE."/msntauth.conf", 0600);
+}
+
+function squid_resync($via_rpc="no") {
+	global $config;
+
+	# detect boot process
+	if (is_array($_POST)){
+		if (preg_match("/\w+/",$_POST['__csrf_magic']))
+			unset($boot_process);
+		else
+			$boot_process="on";
+	}
+
+	log_error("[Squid] - Squid_resync function call pr:".is_process_running('squid')." bp:".isset($boot_process)." rpc:".$via_rpc);
+
+	if (is_process_running('squid') && isset($boot_process) && $via_rpc=="no")
+		return;
+
+	conf_mount_rw();
+	foreach (array(	SQUID_CONFBASE,
+			SQUID_ACLDIR,
+			SQUID_BASE,
+			SQUID_LIB,
+			SQUID_SSL_DB ) as $dir) {
+		make_dirs($dir);
+		chown($dir, 'proxy');
+		chgrp($dir, 'proxy');
+		squid_chown_recursive($dir, 'proxy', 'proxy');
+	}
+	$conf = squid_resync_general() . "\n";
+	$conf .= squid_resync_cache() . "\n";
+	$conf .= squid_resync_redirector() . "\n";
+	$conf .= squid_resync_upstream() . "\n";
+	$conf .= squid_resync_nac() . "\n";
+	$conf .= squid_resync_traffic() . "\n";
+	$conf .= squid_resync_reverse() . "\n";
+	$conf .= squid_resync_auth()."\n";
+	$conf .= squid_resync_antivirus();
+	squid_resync_users();
+	squid_write_rcfile();
+
+	if(!isset($boot_process) || $via_rpc="yes")
+		squid_sync_on_changes();
+
+	#write config file
+	file_put_contents(SQUID_CONFBASE . '/squid.conf', $conf);
+
+	/* make sure pinger is executable */
+	if(file_exists(SQUID_LOCALBASE . "/libexec/squid/pinger"))
+		exec("chmod a+x " . SQUID_LOCALBASE . "/libexec/squid/pinger");
+
+	$log_dir="";
+	#check if squid is enabled
+	if (is_array($config['installedpackages']['squid']['config'])){
+		if ($config['installedpackages']['squid']['config'][0]['active_interface']!= "")
+		$log_dir = $config['installedpackages']['squid']['config'][0]['log_dir'].'/';
+		}
+	#check if squidreverse is enabled
+	else if (is_array($config['installedpackages']['squidreversegeneral']['config'])){
+		if ($config['installedpackages']['squidreversegeneral']['config'][0]['reverse_interface'] != "")
+			$log_dir="/var/squid/logs/";
+		}
+	#do not start squid if there is no log dir
+	if ($log_dir != ""){
+		if(!is_dir($log_dir)) {
+			log_error("Creating squid log dir $log_dir");
+			make_dirs($log_dir);
+			squid_chown_recursive($log_dir, 'proxy', 'proxy');
+			}
+
+		squid_dash_z();
+
+		if (!is_service_running('squid')) {
+			log_error("Starting Squid");
+			mwexec(SQUID_LOCALBASE . "/sbin/squid -f " . SQUID_CONFFILE);
+			}
+		else {
+			if (!isset($boot_process)){
+				log_error("Reloading Squid for configuration sync");
+				mwexec(SQUID_LOCALBASE . "/sbin/squid -k reconfigure -f " . SQUID_CONFFILE);
+				}
+		}
+
+		// Sleep for a couple seconds to give squid a chance to fire up fully.
+		for ($i=0; $i < 10; $i++) {
+			if (!is_service_running('squid'))
+				sleep(1);
+		}
+		filter_configure();
+	}
+	conf_mount_ro();
+}
+
+function squid_print_javascript_auth() {
+	global $config;
+	$transparent_proxy = ($config['installedpackages']['squid']['config'][0]['transparent_proxy'] == 'on');
+
+	// No authentication for transparent proxy
+	if ($transparent_proxy and preg_match("/(local|ldap|radius|msnt|ntlm)/",$config['installedpackages']['squidauth']['config'][0]['auth_method'])) {
+		$javascript = <<< EOD
+<script language="JavaScript">
+<!--
+function on_auth_method_changed() {
+	document.iform.auth_method.disabled = 1;
+	document.iform.auth_server.disabled = 1;
+	document.iform.auth_ntdomain.disabled = 1;
+	document.iform.auth_server_port.disabled = 1;
+	document.iform.ldap_user.disabled = 1;
+	document.iform.ldap_version.disabled = 1;
+	document.iform.ldap_userattribute.disabled = 1;
+	document.iform.ldap_filter.disabled = 1;
+	document.iform.ldap_pass.disabled = 1;
+	document.iform.ldap_basedomain.disabled = 1;
+	document.iform.radius_secret.disabled = 1;
+	document.iform.msnt_secondary.disabled = 1;
+	document.iform.auth_prompt.disabled = 1;
+	document.iform.auth_processes.disabled = 1;
+	document.iform.auth_ttl.disabled = 1;
+	document.iform.unrestricted_auth.disabled = 1;
+	document.iform.no_auth_hosts.disabled = 1;
+}
+-->
+</script>
+
+EOD;
+	}
+	else {
+		$javascript = <<< EOD
+<script language="JavaScript">
+<!--
+function on_auth_method_changed() {
+	var field = document.iform.auth_method;
+	var auth_method = field.options[field.selectedIndex].value;
+
+	if (auth_method == 'none') {
+		document.iform.auth_server.disabled = 1;
+		document.iform.auth_server_port.disabled = 1;
+		document.iform.auth_ntdomain.disabled = 1;
+		document.iform.ldap_user.disabled = 1;
+		document.iform.ldap_version.disabled = 1;
+		document.iform.ldap_userattribute.disabled = 1;
+		document.iform.ldap_filter.disabled = 1;
+		document.iform.ldap_pass.disabled = 1;
+		document.iform.ldap_basedomain.disabled = 1;
+		document.iform.radius_secret.disabled = 1;
+		document.iform.msnt_secondary.disabled = 1;
+		document.iform.auth_prompt.disabled = 1;
+		document.iform.auth_processes.disabled = 1;
+		document.iform.auth_ttl.disabled = 1;
+		document.iform.unrestricted_auth.disabled = 1;
+		document.iform.no_auth_hosts.disabled = 1;
+	}
+	else {
+		document.iform.auth_prompt.disabled = 0;
+		document.iform.auth_processes.disabled = 0;
+		document.iform.auth_ttl.disabled = 0;
+		document.iform.unrestricted_auth.disabled = 0;
+		document.iform.no_auth_hosts.disabled = 0;
+	}
+
+	switch (auth_method) {
+		case 'local':
+			document.iform.auth_server.disabled = 1;
+			document.iform.auth_server_port.disabled = 1;
+			document.iform.auth_ntdomain.disabled = 1;
+			document.iform.ldap_user.disabled = 1;
+			document.iform.ldap_pass.disabled = 1;
+			document.iform.ldap_version.disabled = 1;
+			document.iform.ldap_userattribute.disabled = 1;
+			document.iform.ldap_filter.disabled = 1;
+			document.iform.ldap_basedomain.disabled = 1;
+			document.iform.radius_secret.disabled = 1;
+			document.iform.msnt_secondary.disabled = 1;
+			break;
+		case 'ldap':
+			document.iform.auth_server.disabled = 0;
+			document.iform.auth_server_port.disabled = 0;
+			document.iform.ldap_user.disabled = 0;
+			document.iform.ldap_pass.disabled = 0;
+			document.iform.ldap_version.disabled = 0;
+			document.iform.ldap_userattribute.disabled = 0;
+			document.iform.ldap_filter.disabled = 0;
+			document.iform.ldap_basedomain.disabled = 0;
+			document.iform.radius_secret.disabled = 1;
+			document.iform.msnt_secondary.disabled = 1;
+			document.iform.auth_ntdomain.disabled = 1;
+			break;
+		case 'radius':
+			document.iform.auth_server.disabled = 0;
+			document.iform.auth_server_port.disabled = 0;
+			document.iform.ldap_user.disabled = 1;
+			document.iform.ldap_pass.disabled = 1;
+			document.iform.ldap_version.disabled = 1;
+			document.iform.ldap_userattribute.disabled = 1;
+			document.iform.ldap_filter.disabled = 1;
+			document.iform.ldap_basedomain.disabled = 1;
+			document.iform.radius_secret.disabled = 0;
+			document.iform.msnt_secondary.disabled = 1;
+			document.iform.auth_ntdomain.disabled = 1;
+			break;
+		case 'msnt':
+			document.iform.auth_server.disabled = 0;
+			document.iform.auth_server_port.disabled = 1;
+			document.iform.auth_ntdomain.disabled = 0;
+			document.iform.ldap_user.disabled = 1;
+			document.iform.ldap_pass.disabled = 1;
+			document.iform.ldap_version.disabled = 1;
+			document.iform.ldap_userattribute.disabled = 1;
+			document.iform.ldap_filter.disabled = 1;
+			document.iform.ldap_basedomain.disabled = 1;
+			document.iform.radius_secret.disabled = 1;
+			document.iform.msnt_secondary.disabled = 0;
+			break;
+		case 'cp':
+			document.iform.auth_server.disabled = 1;
+			document.iform.auth_server_port.disabled = 1;
+			document.iform.auth_ntdomain.disabled = 1;
+			document.iform.ldap_user.disabled = 1;
+			document.iform.ldap_version.disabled = 1;
+			document.iform.ldap_userattribute.disabled = 1;
+			document.iform.ldap_filter.disabled = 1;
+			document.iform.ldap_pass.disabled = 1;
+			document.iform.ldap_basedomain.disabled = 1;
+			document.iform.radius_secret.disabled = 1;
+			document.iform.msnt_secondary.disabled = 1;
+			document.iform.auth_prompt.disabled = 1;
+			document.iform.auth_processes.disabled = 0;
+			document.iform.auth_ttl.disabled = 0;
+			document.iform.unrestricted_auth.disabled = 1;
+			document.iform.no_auth_hosts.disabled = 1;
+			break;
+	}
+}
+-->
+</script>
+
+EOD;
+	}
+
+	print($javascript);
+}
+
+function squid_print_javascript_auth2() {
+	print("<script language=\"JavaScript\">on_auth_method_changed()</script>\n");
+}
+
+function squid_generate_rules($type) {
+	global $config;
+	$squid_conf = $config['installedpackages']['squid']['config'][0];
+	//check captive portal option
+	$cp_file='/etc/inc/captiveportal.inc';
+	$pfsense_version=preg_replace("/\s/","",file_get_contents("/etc/version"));
+	$port = ($settings['proxy_port'] ? $settings['proxy_port'] : 3128);
+		$cp_inc = file($cp_file);
+		$new_cp_inc="";
+		$found_rule=0;
+		foreach ($cp_inc as $line){
+			$new_line=$line;
+			//remove applied squid patch
+			if (preg_match('/skipto 65314 ip/',$line)){
+				$found_rule++;
+				$new_line ="";
+				}
+
+			if (substr($pfsense_version,0,3) > 2.0){
+				if (preg_match('/255.255.255.255/',$line) && $squid_conf['patch_cp']){
+					$found_rule++;
+					$new_line .= "\n\t".'$cprules .= "add {$rulenum} skipto 65314 ip from any to {$ips} '.$port.' in\n";'."\n";
+					$new_line .= "\t".'$cprules .= "add {$rulenum} skipto 65314 ip from {$ips} '.$port.' to any out\n";'."\n";
+					}
+			}
+			else{
+				//add squid patch option based on current config
+				if (preg_match('/set 1 pass ip from any to/',$line) && $squid_conf['patch_cp']){
+					$found_rule++;
+					$new_line = "\t".'$cprules .= "add {$rulenum} set 1 skipto 65314 ip from any to {$ips} '.$port.' in\n";'."\n";
+					$new_line .= $line;
+					}
+				if (preg_match('/set 1 pass ip from {/',$line) && $squid_conf['patch_cp']){
+					$found_rule++;
+					$new_line = "\t".'$cprules .= "add {$rulenum} set 1 skipto 65314 ip from {$ips} '.$port.' to any out\n";'."\n";
+					$new_line .= $line;
+					}
+				}
+			$new_cp_inc .= $new_line;
+			}
+		if (!file_exists('/root/'.$pfsense_version.'.captiveportal.inc.backup')) {
+			copy ($cp_file,'/root/'.$pfsense_version.'.captiveportal.inc.backup');
+			}
+		if($found_rule > 0){
+			file_put_contents($cp_file,$new_cp_inc, LOCK_EX);
+			}
+	//normal squid rule check
+	if (($squid_conf['transparent_proxy'] != 'on') || ($squid_conf['allow_interface'] != 'on')) {
+		return;
+	}
+
+	if (!is_service_running('squid')) {
+		log_error("SQUID is installed but not started.  Not installing \"{$type}\" rules.");
+		return;
+	}
+	#Read assigned interfaces
+	$proxy_ifaces = explode(",", $squid_conf['active_interface']);
+	$proxy_ifaces = array_map('convert_friendly_interface_to_real_interface_name', $proxy_ifaces);
+	if ($squid_conf['transparent_proxy']=="on"){
+		$transparent_ifaces = explode(",", $squid_conf['transparent_active_interface']);
+		$transparent_ifaces = array_map('convert_friendly_interface_to_real_interface_name', $transparent_ifaces);
+	}
+	else{
+		$transparent_ifaces=array();
+	}
+	if ($squid_conf['ssl_proxy'] == "on"){
+		$ssl_ifaces = explode(",", $squid_conf['ssl_active_interface']);
+		$ssl_ifaces = array_map('convert_friendly_interface_to_real_interface_name', $ssl_ifaces);
+		}
+	else{
+		$ssl_ifaces=array();
+	}
+
+	$port = ($squid_conf['proxy_port'] ? $squid_conf['proxy_port'] : 3128);
+	$ssl_port = ($squid_conf['ssl_proxy_port'] ? $squid_conf['ssl_proxy_port'] : 3127);
+
+	$fw_aliases = filter_generate_aliases();
+	if(strstr($fw_aliases, "pptp ="))
+		$PPTP_ALIAS = "\$pptp";
+	else
+		$PPTP_ALIAS = "\$PPTP";
+	if(strstr($fw_aliases, "PPPoE ="))
+		$PPPOE_ALIAS = "\$PPPoE";
+	else
+		$PPPOE_ALIAS = "\$pppoe";
+
+	#define ports based on transparent options and ssl filtering
+	$pf_rule_port=($squid_conf['ssl_proxy'] == "on" ? "{80,443}" : "80");
+	switch($type) {
+		case 'nat':
+			$rules .= "\n# Setup Squid proxy redirect\n";
+			if ($squid_conf['private_subnet_proxy_off'] == 'on') {
+				foreach ($transparent_ifaces as $iface) {
+					$pf_transparent_rule_port=(in_array($iface,$ssl_ifaces) ? "{80,443}" : "80");
+					$rules .= "no rdr on $iface proto tcp from any to { 192.168.0.0/16, 172.16.0.0/12, 10.0.0.0/8 } port {$pf_transparent_rule_port}\n";
+				}
+				/* Handle PPPOE case */
+				if(($config['pppoe']['mode'] == "server" && $config['pppoe']['localip']) || (function_exists("is_pppoe_server_enabled") && is_pppoe_server_enabled())) {
+					$rules .= "no rdr on $PPPOE_ALIAS proto tcp from any to { 192.168.0.0/16, 172.16.0.0/12, 10.0.0.0/8 } port {$pf_rule_port}\n";
+				}
+				/* Handle PPTP case */
+				if($config['pptpd']['mode'] == "server" && $config['pptpd']['localip']) {
+					$rules .= "no rdr on $PPTP_ALIAS proto tcp from any to { 192.168.0.0/16, 172.16.0.0/12, 10.0.0.0/8 } port {$pf_rule_port}\n";
+				}
+			}
+			if (!empty($squid_conf['defined_ip_proxy_off'])) {
+				$defined_ip_proxy_off = explode(";", $squid_conf['defined_ip_proxy_off']);
+				$exempt_ip = "";
+				foreach ($defined_ip_proxy_off as $ip_proxy_off) {
+					if(!empty($ip_proxy_off)) {
+						$ip_proxy_off = trim($ip_proxy_off);
+						if (is_alias($ip_proxy_off))
+							$ip_proxy_off = '$'.$ip_proxy_off;
+						$exempt_ip .= ", $ip_proxy_off";
+					}
+				}
+				$exempt_ip = substr($exempt_ip,2);
+				foreach ($transparent_ifaces as $iface) {
+					$pf_transparent_rule_port=(in_array($iface,$ssl_ifaces) ? "{80,443}" : "80");
+					$rules .= "no rdr on $iface proto tcp from { $exempt_ip } to any port {$pf_transparent_rule_port}\n";
+				}
+				/* Handle PPPOE case */
+				if(($config['pppoe']['mode'] == "server" && $config['pppoe']['localip']) || (function_exists("is_pppoe_server_enabled") && is_pppoe_server_enabled())) {
+					$rules .= "no rdr on $PPPOE_ALIAS proto tcp from { $exempt_ip } to any port {$pf_rule_port}\n";
+				}
+				/* Handle PPTP case */
+				if($config['pptpd']['mode'] == "server" && $config['pptpd']['localip']) {
+					$rules .= "no rdr on $PPTP_ALIAS proto tcp from { $exempt_ip } to any port {$pf_rule_port}\n";
+				}
+			}
+			if (!empty($squid_conf['defined_ip_proxy_off_dest'])) {
+				$defined_ip_proxy_off_dest = explode(";", $squid_conf['defined_ip_proxy_off_dest']);
+				$exempt_dest = "";
+				foreach ($defined_ip_proxy_off_dest as $ip_proxy_off_dest) {
+					if(!empty($ip_proxy_off_dest)) {
+						$ip_proxy_off_dest = trim($ip_proxy_off_dest);
+						if (is_alias($ip_proxy_off_dest))
+							$ip_proxy_off_dest = '$'.$ip_proxy_off_dest;
+						$exempt_dest .= ", $ip_proxy_off_dest";
+					}
+				}
+				$exempt_dest = substr($exempt_dest,2);
+				foreach ($transparent_ifaces as $iface) {
+					$pf_transparent_rule_port=(in_array($iface,$ssl_ifaces) ? "{80,443}" : "80");
+					$rules .= "no rdr on $iface proto tcp from any to { $exempt_dest } port {$pf_transparent_rule_port}\n";
+				}
+				/* Handle PPPOE case */
+				if(($config['pppoe']['mode'] == "server" && $config['pppoe']['localip']) || (function_exists("is_pppoe_server_enabled") && is_pppoe_server_enabled())) {
+					$rules .= "no rdr on $PPPOE_ALIAS proto tcp from any to { $exempt_dest } port {$pf_rule_port}\n";
+				}
+				/* Handle PPTP case */
+				if($config['pptpd']['mode'] == "server" && $config['pptpd']['localip']) {
+					$rules .= "no rdr on $PPTP_ALIAS proto tcp from any to { $exempt_dest } port {$pf_rule_port}\n";
+				}
+			}
+			foreach ($transparent_ifaces as $t_iface) {
+				$pf_transparent_rule_port=(in_array($t_iface,$ssl_ifaces) ? "{80,443}" : "80");
+				$rules .= "rdr on $t_iface proto tcp from any to !($t_iface) port 80 -> 127.0.0.1 port {$port}\n";
+				if (in_array($t_iface,$ssl_ifaces))
+					$rules .= "rdr on $t_iface proto tcp from any to !($t_iface) port 443 -> 127.0.0.1 port {$ssl_port}\n";
+			}
+			/* Handle PPPOE case */
+			if(($config['pppoe']['mode'] == "server" && $config['pppoe']['localip']) || (function_exists("is_pppoe_server_enabled") && is_pppoe_server_enabled())) {
+				$rules .= "rdr on $PPPOE_ALIAS proto tcp from any to !127.0.0.1 port {$pf_rule_port} -> 127.0.0.1 port {$port}\n";
+			}
+			/* Handle PPTP case */
+			if($config['pptpd']['mode'] == "server" && $config['pptpd']['localip']) {
+				$rules .= "rdr on $PPTP_ALIAS proto tcp from any to !127.0.0.1 port {$pf_rule_port} -> 127.0.0.1 port {$port}\n";
+			}
+			$rules .= "\n";
+			break;
+		case 'filter':
+		case 'rule':
+			foreach ($transparent_ifaces as $iface) {
+				$pf_transparent_rule_port=(in_array($iface,$ssl_ifaces) ? "{80,443,{$port},{$ssl_port}}" : "{80,{$port}}");
+				$rules .= "# Setup squid pass rules for proxy\n";
+				$rules .= "pass in quick on $iface proto tcp from any to !($iface) port {$pf_transparent_rule_port} flags S/SA keep state\n";
+				#$rules .= "pass in quick on $iface proto tcp from any to !($iface) port {$port} flags S/SA keep state\n";
+				$rules .= "\n";
+			};
+			if($config['pppoe']['mode'] == "server" && $config['pppoe']['localip']) {
+				$rules .= "pass in quick on $PPPOE_ALIAS proto tcp from any to !127.0.0.1 port {$port} flags S/SA keep state\n";
+			}
+			if($config['pptpd']['mode'] == "server" && $config['pptpd']['localip']) {
+				$rules .= "pass in quick on $PPTP_ALIAS proto tcp from any to !127.0.0.1 port {$port} flags S/SA keep state\n";
+			}
+			break;
+		default:
+			break;
+	}
+
+	return $rules;
+}
+
+function squid_write_rcfile() {
+	/* Declare a variable for the SQUID_CONFFILE constant. */
+	/* Then the variable can be referenced easily in the Heredoc text that generates the rc file. */
+	$squid_conffile_var = SQUID_CONFFILE;
+	$squid_local_base = SQUID_LOCALBASE;
+	$rc = array();
+	$rc['file'] = 'squid.sh';
+	$rc['start'] = <<<EOD
+if [ -z "`ps auxw | grep "[s]quid "|awk '{print $2}'`" ];then
+	{$squid_local_base}/sbin/squid -f {$squid_conffile_var}
+fi
+
+EOD;
+
+	$rc['stop'] = <<<EOD
+{$squid_local_base}/sbin/squid -k shutdown -f {$squid_conffile_var}
+# Just to be sure...
+sleep 5
+
+if [ -f /usr/bin/ipcs ];then
+# http://man.chinaunix.net/newsoft/squid/Squid_FAQ/FAQ-22.html#ss22.8
+ipcs | grep '^[mq]' | awk '{printf "ipcrm -%s %s\\n", $1, $2}' | /bin/sh
+fi
+
+killall -9 squid 2>/dev/null
+killall pinger 2>/dev/null
+
+EOD;
+	$rc['restart'] = <<<EOD
+if [ -z "`ps auxw | grep "[s]quid "|awk '{print $2}'`" ];then
+		{$squid_local_base}/sbin/squid -f {$squid_conffile_var}
+	else
+		{$squid_local_base}/sbin/squid -k reconfigure -f {$squid_conffile_var}
+	fi
+
+EOD;
+	conf_mount_rw();
+	write_rcfile($rc);
+	conf_mount_ro();
+}
+
+/* Uses XMLRPC to synchronize the changes to a remote node */
+function squid_sync_on_changes() {
+	global $config, $g;
+	if (is_array($config['installedpackages']['squidsync']['config'])){
+		$squid_sync=$config['installedpackages']['squidsync']['config'][0];
+		$synconchanges = $squid_sync['synconchanges'];
+		$synctimeout = $squid_sync['synctimeout'];
+		switch ($synconchanges){
+			case "manual":
+				if (is_array($squid_sync[row])){
+					$rs=$squid_sync[row];
+					}
+				else{
+					log_error("[squid] xmlrpc sync is enabled but there is no hosts to push on squid config.");
+					return;
+					}
+				break;
+			case "auto":
+					if (is_array($config['installedpackages']['carpsettings']) && is_array($config['installedpackages']['carpsettings']['config'])){
+						$system_carp=$config['installedpackages']['carpsettings']['config'][0];
+						$rs[0]['ipaddress']=$system_carp['synchronizetoip'];
+						$rs[0]['username']=$system_carp['username'];
+						$rs[0]['password']=$system_carp['password'];
+					}
+					else{
+						log_error("[squid] xmlrpc sync is enabled but there is no system backup hosts to push squid config.");
+						return;
+					}
+				break;
+			default:
+				return;
+			break;
+		}
+		if (is_array($rs)){
+			log_error("[squid] xmlrpc sync is starting.");
+			foreach($rs as $sh){
+				$sync_to_ip = $sh['ipaddress'];
+				$password = $sh['password'];
+				if($sh['username'])
+					$username = $sh['username'];
+				else
+					$username = 'admin';
+				if($password && $sync_to_ip)
+					squid_do_xmlrpc_sync($sync_to_ip, $username, $password,$synctimeout);
+				}
+			log_error("[squid] xmlrpc sync is ending.");
+			}
+ 		}
+}
+/* Do the actual XMLRPC sync */
+function squid_do_xmlrpc_sync($sync_to_ip, $username, $password, $synctimeout) {
+	global $config, $g;
+
+	if(!$username)
+		return;
+
+	if(!$password)
+		return;
+
+	if(!$sync_to_ip)
+		return;
+
+	if(!$synctimeout)
+		$synctimeout=250;
+
+
+	$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['squid'] = $config['installedpackages']['squid'];
+	$xml['squidupstream'] = $config['installedpackages']['squidupstream'];
+	$xml['squidcache'] = $config['installedpackages']['squidcache'];
+	$xml['squidantivirus'] = $config['installedpackages']['squidanitivirus'];
+	$xml['squidnac'] = $config['installedpackages']['squidnac'];
+	$xml['squidtraffic'] = $config['installedpackages']['squidtraffic'];
+	$xml['squidreversegeneral'] = $config['installedpackages']['squidreversegeneral'];
+	$xml['squidreversepeer'] = $config['installedpackages']['squidreversepeer'];
+	$xml['squidreverseuri'] = $config['installedpackages']['squidreverseuri'];
+	$xml['squidauth'] = $config['installedpackages']['squidauth'];
+	$xml['squidusers'] = $config['installedpackages']['squidusers'];
+	/* 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 = $synchronizetoip;
+	log_error("[Squid] Beginning squid XMLRPC sync to {$url}:{$port}.");
+	$method = 'pfsense.merge_installedpackages_section_xmlrpc';
+	$msg = new XML_RPC_Message($method, $params);
+	$cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
+	$cli->setCredentials($username, $password);
+	if($g['debug'])
+		$cli->setDebug(1);
+	/* send our XMLRPC message and timeout after defined sync timeout value*/
+	$resp = $cli->send($msg, $synctimeout);
+	if(!$resp) {
+		$error = "A communications error occurred while attempting squid XMLRPC sync with {$url}:{$port}.";
+		log_error($error);
+		file_notice("sync_settings", $error, "squid Settings Sync", "");
+	} elseif($resp->faultCode()) {
+		$cli->setDebug(1);
+		$resp = $cli->send($msg, $synctimeout);
+		$error = "An error code was received while attempting squid XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
+		log_error($error);
+		file_notice("sync_settings", $error, "squid Settings Sync", "");
+	} else {
+		log_error("[Squid] XMLRPC sync successfully completed with {$url}:{$port}.");
+	}
+
+	/* tell squid to reload our settings on the destination sync host. */
+	$method = 'pfsense.exec_php';
+	$execcmd  = "require_once('/usr/local/pkg/squid.inc');\n";
+	$execcmd .= "squid_resync('yes');";
+	/* assemble xmlrpc payload */
+	$params = array(
+		XML_RPC_encode($password),
+		XML_RPC_encode($execcmd)
+	);
+
+	log_error("[Squid] XMLRPC reload data {$url}:{$port}.");
+	$msg = new XML_RPC_Message($method, $params);
+	$cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
+	$cli->setCredentials($username, $password);
+	$resp = $cli->send($msg, $synctimeout);
+	if(!$resp) {
+		$error = "A communications error occurred while attempting squid XMLRPC sync with {$url}:{$port} (pfsense.exec_php).";
+		log_error($error);
+		file_notice("sync_settings", $error, "squid Settings Sync", "");
+	} elseif($resp->faultCode()) {
+		$cli->setDebug(1);
+		$resp = $cli->send($msg, $synctimeout);
+		$error = "[Squid] An error code was received while attempting squid XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
+		log_error($error);
+		file_notice("sync_settings", $error, "squid Settings Sync", "");
+	} else {
+		log_error("squid XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php).");
+	}
+
+}
+?>