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Diffstat (limited to 'config/squid3/33/squid.inc')
| -rwxr-xr-x | config/squid3/33/squid.inc | 2262 |
1 files changed, 2262 insertions, 0 deletions
diff --git a/config/squid3/33/squid.inc b/config/squid3/33/squid.inc new file mode 100755 index 00000000..d89f5b8f --- /dev/null +++ b/config/squid3/33/squid.inc @@ -0,0 +1,2262 @@ +<?php +/* $Id$ */ +/* + squid.inc + Copyright (C) 2006-2009 Scott Ullrich + Copyright (C) 2006 Fernando Lemos + Copyright (C) 2012 Martin Fuchs + Copyright (C) 2012-2013 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"); + +$pf_version=substr(trim(file_get_contents("/etc/version")),0,3); +if ($pf_version > 2.0) + 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); + } + } + } +} + +/* setup cache */ +function squid_dash_z() { + 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'] ? $settings['harddisk_cache_location'] : '/var/squid/cache'); + + if(!is_dir($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 = $config['installedpackages']['squid']['config'][0]; + + /* Set storage system */ + if ($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'] ? $settings['log_dir'] : '/var/squid/logs'); + update_status("Removing swap.state ... One moment please..."); + update_output_window("$plswait_txt"); + mwexec('rm -rf $cachedir/swap.state'); + 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"; + } + + 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 $reip) { + if (!is_ipaddr($reip)) + $input_errors[] = 'You must enter a valid IP address in the \'User-defined reverse-proxy IPs\' field'; + break; + }} + + $fqdn = trim($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')) { + $input_errors[] = "You have to enable reverse HTTPS before enabling OWA support."; + } + +/* + if (!is_cert($post['reverse_int_ca'])) + $input_errors[] = 'A valid certificate for the external interface must be selected'; +*/ + + $rowa = trim($post['reverse_owa_ip']); + if (!empty($rowa) && !is_ipaddr($rowa)) + $input_errors[] = 'The field \'OWA frontend IP address\' must contain a valid IP address'; + + + $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')) { + $server = trim($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; + $swapstate_job_id=-1; + foreach($config['cron']['item'] as $item) { + if(strstr($item['task_name'], "squid_rotate_logs")) { + $rotate_job_id = $x; + } elseif(strstr($item['task_name'], "squid_check_swapstate")) { + $swapstate_job_id = $x; + } + $x++; + } + $need_write = false; + switch($should_install) { + case true: + $cachedir =($settings['harddisk_cache_location'] ? $settings['harddisk_cache_location'] : '/var/squid/cache'); + if($rotate_job_id < 0) { + $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"; + $cron_item['command'] = "/bin/rm {$cachedir}/swap.state; ". SQUID_LOCALBASE."/sbin/squid -k rotate -f " . SQUID_CONFFILE; + /* 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_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"; + #Check ssl interception + $sslcrtd_children= ($settings['sslcrtd_children'] ? $settings['sslcrtd_children'] : 5); + if (($settings['ssl_proxy'] == 'on')) { + $srv_cert = lookup_cert($settings["dcert"]); + 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'); + $crt_pk=SQUID_CONFBASE."/serverkey.pem"; + file_put_contents($crt_pk,base64_decode($srv_cert['prv']).base64_decode($srv_cert['crt'])); + + $ssl_interception.="ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size={$sslcrtd_children}MB cert={$crt_pk}\n"; + $interception_checks=""; + if (preg_match("/sslproxy_cert_error/",$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"] != "") + $interception_checks.="sslproxy_cert_adapt {$settings["interception_adapt"]}\n"; + } + } + } + $port = ($settings['proxy_port'] ? $settings['proxy_port'] : 3128); + $ssl_port = ($settings['ssl_proxy_port'] ? $settings['ssl_proxy_port'] : 3127); + +#Read assigned interfaces + if($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']); + else + $transparent_ifaces=array(); + + if ($settings['ssl_proxy']=="on") + $ssl_ifaces = explode(",", $settings['ssl_active_interface']); + else + $ssl_ifaces=array(); + + $real_ifaces = array(); + foreach ($proxy_ifaces as $iface) { + $iface_ip = squid_get_real_interface_address($iface); + if($iface_ip[0]) { + if (in_array($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'] : 7); + $dns_v4_first= ($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'); + + $conf .= <<<EOD +icp_port {$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 +sslcrtd_children {$sslcrtd_children} +{$interception_checks} + +EOD; + +// Per squid docs, setting logfile_rotate to 0 is safe and causes a simple close/reopen. +// Rotating also ensures that swap.state is rewritten, so is useful even if the logs +// are not being rotated. +$rotate = empty($settings['log_rotate']) ? 0 : $settings['log_rotate']; +$conf .= "logfile_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); + $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'])){ + $conf.=<<<EOC + +# Windows Update refresh_pattern +range_offset_limit -1 +refresh_pattern -i microsoft.com/.*\.(cab|exe|ms[i|u|f]|asf|wm[v|a]|dat|zip) 4320 80% 43200 reload-into-ims +refresh_pattern -i windowsupdate.com/.*\.(cab|exe|ms[i|u|f]|asf|wm[v|a]|dat|zip) 4320 80% 43200 reload-into-ims +refresh_pattern -i my.windowsupdate.website.com/.*\.(cab|exe|ms[i|u|f]|asf|wm[v|a]|dat|zip) 4320 80% 43200 reload-into-ims + +EOC; + } + +if(preg_match('/symantec/',$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; + +} + + $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'; + } + elseif (file_exists(SQUID_ACLDIR . '/donotcache.acl')) { + unlink(SQUID_ACLDIR . '/donotcache.acl'); + } + 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 +acl allsrc src all +acl localhost src 127.0.0.1/32 +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 +acl sqmanager 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"); + } + } + + $conf .= <<<EOD +http_access allow sqmanager localhost + +EOD; + + if (is_array($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 sqmanager ext_manager\n"; + } + } + + $conf .= <<<EOD + +http_access deny sqmanager +http_access allow purge localhost +http_access deny purge +http_access deny !safeports +http_access deny CONNECT !sslports + +# Always allow localhost connections +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'])) + $clwarn="clwarn.cgi.pt_BR"; + copy(SQUID_LOCALBASE."/libexec/squidclamav/{$clwarn}","/usr/local/www/clwarn.cgi"); + + $conf = <<<EOF +icap_enable on +icap_send_client_ip {$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); + + #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"); + $matches[0]="@/var/run/clamav/clamd.ctl@"; + $replaces[0]="/var/run/clamav/clamd.sock"; + file_put_contents(SQUID_LOCALBASE."/etc/c-icap/squidclamav.conf.sample",preg_replace($matches,$replaces,$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"; + if (! preg_match ("/User proxy/")) + $sample_file.="\nUser proxy\n"; + + file_put_contents(SQUID_LOCALBASE."/etc/c-icap/c-icap.conf.sample",$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 + $dirs=array("/var/run/c-icap" => "proxy", + "/var/log/c-icap" => "proxy", + "/var/log/clamav" => "clamav", + "/var/run/clamav" => "clamav", + "/var/db/clamav" => "clamav"); + foreach ($dirs as $dir_path => $dir_user){ + if (!is_dir($dir_path)) + make_dirs($dir_path); + squid_chown_recursive($dir_path, $dir_user, $dir_user); + } + + #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("/usr/local/etc/rc.d/c-icap reload"); + else + mwexec("/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("/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, $valid_acls; + + if (is_array($config['installedpackages']['squidauth']['config'])) + $settings = $config['installedpackages']['squidauth']['config'][0]; + else + $settings = array(); + + if (is_array($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(); + + $conf = ''; + + // SSL interception acl options part 1 + if ($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'])) + $conf.="# Package Integration\n".preg_replace('/;/',"\n",$settingsconfig['custom_options'])."\n\n"; + + // Custom User Options + $conf .= "# Custom options\n".sq_text_area_decode($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'); + $auth_method = (($settings['auth_method'] && !$transparent_proxy) ? $settings['auth_method'] : 'none'); + // Allow the remaining ACLs if no authentication is set + if ($auth_method == 'none') { + // Include squidguard denied acl log in squid + if ($settingsconfig['log_sqd']) + $conf .="http_access deny sglog\n"; + + $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'] : 60); + $processes = ($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/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']}" : ''); + $conf .= "auth_param basic program " . SQUID_LOCALBASE . "/libexec/squid/squid_ldap_auth -v {$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']}" : ''); + $conf .= "auth_param basic program ". SQUID_LOCALBASE . "/libexec/squid/squid_radius_auth -w {$settings['radius_secret']} -h {$settings['auth_server']} $port\n"; + break; + case 'msnt': + $conf .= "auth_param basic program ". SQUID_LOCALBASE . "/libexec/squid/msnt_auth\n"; + squid_resync_msnt(); + break; + } + $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; + + // 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 $acl\n"; + + // Include squidguard denied acl log in squid + if ($settingsconfig['log_sqd']) + $conf .="http_access deny passowrd sglog\n"; + + // Allow the other ACLs as long as they authenticate + foreach ($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() { + global $config; + + # detect boot process + if (is_array($_POST)){ + if (preg_match("/\w+/",$_POST['__csrf_magic'])) + unset($boot_process); + else + $boot_process="on"; + } + + if (is_process_running('squid') && isset($boot_process)) + 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)) + 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) { + $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; + } +} +--> +</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('/} set 1 skipto 65314/',$line)){ + $found_rule++; + $new_line =""; + } + //add squid patch option based on current config + if (preg_match('/set 1 pass ip from any to/',$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 +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 = $synchronizetoip; + log_error("Beginning squid XMLRPC sync to {$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();"; + /* 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); + $error = "An error code was received while attempting squid XMLRPC sync with {$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)."); + } + +} +?> |