diff options
Diffstat (limited to 'packages/squid.inc')
| -rw-r--r-- | packages/squid.inc | 926 |
1 files changed, 0 insertions, 926 deletions
diff --git a/packages/squid.inc b/packages/squid.inc deleted file mode 100644 index 5bd9fb1d..00000000 --- a/packages/squid.inc +++ /dev/null @@ -1,926 +0,0 @@ -<?php -/* $Id$ */ -/* - squid.inc - Copyright (C) 2006 Scott Ullrich - Copyright (C) 2006 Fernando Lemos - 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('filter.inc'); -require_once('service-utils.inc'); - -define('SQUID_CONFBASE', '/usr/local/etc/squid'); -define('SQUID_ACLDIR', '/var/squid/acl'); -define('SQUID_PASSWD', '/var/etc/squid.passwd'); - -$valid_acls = array(); - - -function squid_get_real_interface_address($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/$item"; - if (is_dir($path)) - squid_chown_recursive($path, $user, $group); - else { - chown($path, $user); - chgrp($path, $group); - } - } - } -} - -/* setup cache */ -function squid_dash_z() { - global $config; - $settings = $config['installedpackages']['squidcache']['config'][0]; - $cachedir =($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); - squid_chown_recursive($cachedir, 'proxy', 'proxy'); - } - - if(!is_dir($cachedir.'/00/')) { - log_error("Creating squid cache subdirs in $cachedir"); - mwexec("/usr/local/sbin/squid -z"); - } - -} - -function squid_is_valid_acl($acl) { - global $valid_acls; - if(!is_array($valid_acls)) - return; - return in_array($acl, $valid_acls); -} - -function squid_install_command() { - global $config; - - /* create cache */ - squid_dash_z(); - /* make sure pinger is executable */ - exec("/bin/chmod a+x /usr/local/libexec/squid/pinger"); - exec("/bin/rm /usr/local/etc/rc.d/squid"); - $rc = array(); - $rc['file'] = 'squid.sh'; - $rc['start'] = '/usr/local/sbin/squid -D'; - $rc['stop'] = <<<EOD -/usr/local/sbin/squid -k shutdown -# Just to be sure... -sleep 5 -killall -9 squid 2>/dev/null -killall pinger 2>/dev/null - -EOD; - $rc['restart'] = <<<EOD -if [ -z "`pgrep squid`" ]; then - /usr/local/sbin/squid -D - else - /usr/local/sbin/squid -k reconfigure - fi - -EOD; - write_rcfile($rc); - - foreach (array( SQUID_CONFBASE, - SQUID_ACLDIR, - ) as $dir) { - make_dirs($dir); - squid_chown_recursive($dir, 'proxy', 'proxy'); - } - - /* kill any running proxy alarm scripts */ - log_error("Stopping any running proxy monitors"); - mwexec("ps awux | grep \"proxy_monitor\" | grep -v \"grep\" | grep -v \"php\" | awk '{ print $2 }' | xargs kill"); - sleep(1); - /* restart proxy alarm scripts */ - log_error("Starting a proxy monitor script"); - mwexec_bg("/usr/local/etc/rc.d/proxy_monitor.sh"); - - if (!file_exists(SQUID_CONFBASE . '/mime.conf') && file_exists(SQUID_CONFBASE . '/mime.conf.default')) - copy(SQUID_CONFBASE . '/mime.conf.default', SQUID_CONFBASE . '/mime.conf'); - - squid_dash_z(); - - if (!is_service_running('squid')) { - log_error("Starting Squid"); - mwexec_bg("/usr/local/sbin/squid -D"); - } else { - log_error("Reloading Squid for configuration sync"); - mwexec("/usr/local/sbin/squid -k reconfigure"); - } - - filter_configure(); - -} - -function squid_deinstall_command() { - global $config; - $settings = $config['installedpackages']['squidcache']['config'][0]; - $cachedir =($settings['harddisk_cache_location'] ? $settings['harddisk_cache_location'] : '/var/squid/cache'); - $logdir = ($settings['log_dir'] ? $settings['log_dir'] : '/var/squid/log'); - - mwexec('rm -rf $cachedir'); - mwexec('rm -rf $logdir'); - mwexec('rm -f /usr/local/etc/rc.d/proxy_monitor.sh'); - mwexec("ps awux | grep \"proxy_monitor\" | grep -v \"grep\" | grep -v \"php\" | awk '{ print $2 }' | xargs kill"); - 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 $2 }' | xargs kill"); - filter_configure(); -} - -function squid_before_form_general($pkg) { - $values = get_dir(SQUID_CONFBASE . '/errors/'); - // Get rid of '..' and '.' - array_shift($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; - $icp_port = trim($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) - $input_errors[] = "That is not a valid log location dir"; - - if (($post['transparent_proxy'] == 'on')) { - $port = 80; - } else { - $port = trim($post['proxy_port']); - } - - $webgui_port = $config['system']['webgui']['port']; - if($config['system']['webgui']['port'] == "") { - $webgui_port = 80; - } - - if ($port == $webgui_port) { - $input_errors[] = "You can not run squid on the same port as the webgui"; - } -} - -function squid_validate_upstream($post, $input_errors) { - if ($post['proxy_forwarding'] == 'on') { - $addr = trim($post['proxy_addr']); - 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('proxy_port' => 'TCP port', 'icp_port' => '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 < 1)) - $input_errors[] = "You must enter a valid value for '$field'"; - } - - $value = trim($post['minimum_object_size']); - if (!is_numeric($value) || ($value < 0)) - $input_errors[] = 'You must enter a valid value for \'Minimum object size\''; - - if ($post['donotcache'] != "") { - foreach (explode(',', $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"; - } - } - -} - -function squid_validate_nac($post, $input_errors) { - $allowed_subnets = explode(',', trim($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) { - foreach (explode(',', $post[$hosts]) as $host) { - $host = trim($host); - if (!empty($host) && !is_ipaddr($host)) - $input_errors[] = "The host '$host' is not a valid IP address"; - } - } - - foreach (array('unrestricted_macs', 'banned_macs') as $macs) { - foreach (explode(',', $post[$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"; - } -} - -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"; - } -} - -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; - } - - $no_auth = explode(',', trim($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_resync_general() { - global $g, $config, $valid_acls; - - $settings = $config['installedpackages']['squid']['config'][0]; - $conf = ''; - - $port = ($settings['proxy_port'] ? $settings['proxy_port'] : 3128); - $ifaces = ($settings['active_interface'] ? $settings['active_interface'] : 'lan'); - $real_ifaces = array(); - foreach (explode(',', $ifaces) as $i => $iface) { - $real_ifaces[] = squid_get_real_interface_address($iface); - if($real_ifaces[$i][0]) - $conf .= "http_port {$real_ifaces[$i][0]}"; - if (($settings['transparent_proxy'] == 'on')) { - $conf .= ":80 transparent\n"; - } else { - $conf .= ":$port\n"; - } - } - - $icp_port = ($settings['icp_port'] ? $settings['icp_port'] : 0); - - $pidfile = "{$g['varrun_path']}/squid.pid"; - $language = ($settings['error_language'] ? $settings['error_language'] : 'English'); - $errordir = SQUID_CONFBASE . '/errors/' . $language; - $hostname = ($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/log'); - - $logdir_cache = $logdir . '/cache.log'; - $logdir_access = ($settings['log_enabled'] == 'on' ? $logdir . '/access.log' : '/dev/null'); - - $conf .= <<<EOD -icp_port $icp_port - -pid_filename $pidfile -cache_effective_user proxy -cache_effective_group proxy -error_directory $errordir -visible_hostname $hostname -cache_mgr $email - -cache_access_log $logdir_access -cache_log $logdir_cache -cache_store_log none -shutdown_lifetime 3 seconds - -EOD; - - if ($settings['allow_interface'] == 'on') { - $src = ''; - foreach ($real_ifaces as $iface) { - list($ip, $mask) = $iface; - $ip = long2ip(ip2long($ip) & ip2long($mask)); - $src .= " $ip/$mask"; - } - $conf .= "acl localnet src $src\n"; - $valid_acls[] = 'localnet'; - $conf .= <<<EOD -acl get method GET -http_access allow get -acl post method POST -http_access allow post - -EOD; - - } - - return $conf; -} - -function squid_resync_cache() { - global $config; - - $settings = $config['installedpackages']['squidcache']['config'][0]; - - $cachedir =($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'] : 10); - $min_objsize = ($settings['minimum_object_size'] ? $settings['minimum_object_size'] : 0); - $cache_policy = ($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 = <<<EOD -cache_dir diskd $cachedir $disk_cache_size $level1 256 -cache_mem $memory_cache_size MB -maximum_object_size $max_objsize KB -minimum_object_size $min_objsize KB -cache_replacement_policy $cache_policy -memory_replacement_policy $memory_policy -offline_mode $offline_mode - -EOD; - - $donotcache = trim(implode("\n", array_map('trim', explode(',', $settings['donotcache'])))); - if (!empty($donotcache)) { - file_put_contents(SQUID_ACLDIR . '/donotcache.acl', $donotcache); - $conf .= 'acl donotcache dstdomain "' . SQUID_ACLDIR . "/donotcache.acl\"\n"; - $conf .= 'no_cache deny donotcache'; - } - - return $conf; -} - -function squid_resync_upstream() { - global $config; - $settings = $config['installedpackages']['squidupstream']['config'][0]; - - $conf = ''; - if ($settings['proxy_forwarding'] == 'on') { - $conf .= "cache_peer {$settings['proxy_addr']} parent {$settings['proxy_port']} {$settings['icp_port']} "; - - if (!empty($settings['username'])) - $conf .= " login={$settings['username']}"; - if (!empty($settings['password'])) - $conf .= ":{$settings['password']}"; - } - - return $conf; -} - -function squid_resync_redirector() { - global $config; - - $httpav_enabled = ($config['installedpackages']['clamav']['config'][0]['scan_http'] == 'on'); - if ($httpav_enabled) - return ('redirect_program /usr/local/bin/squirm'); - return '# No redirector configured'; -} - -function squid_resync_nac() { - global $config, $valid_acls; - - $settings = $config['installedpackages']['squidnac']['config'][0]; - $webgui_port = $config['system']['webgui']['port']; - - $conf = <<<EOD -acl all src 0.0.0.0/0 -acl localhost src 127.0.0.1 -acl safeports port 21 70 80 210 280 443 488 563 591 631 777 901 $webgui_port 1025-65535 -acl sslports port 443 563 $webgui_port -acl manager proto cache_object -acl purge method PURGE -acl connect method CONNECT -acl dynamic urlpath_regex cgi-bin \? - -EOD; - - $allowed = implode(' ', array_map('trim', explode(',', $settings['allowed_subnets']))); - if (!empty($allowed)) { - $conf .= "acl allowed_subnets src $allowed\n"; - $valid_acls[] = 'allowed_subnets'; - } - - $options = array( 'unrestricted_hosts' => 'src', - 'unrestricted_macs' => 'arp', - 'banned_hosts' => 'src', - 'banned_macs' => 'arp', - 'whitelist' => 'url_regex -i', - 'blacklist' => 'url_regex -i', - ); - foreach ($options as $option => $directive) { - $contents = trim(implode("\n", array_map('trim', explode(',', $settings[$option])))); - if (!empty($contents)) { - file_put_contents(SQUID_ACLDIR . "/$option.acl", $contents); - $conf .= "acl $option $directive \"" . SQUID_ACLDIR . "/$option.acl\"\n"; - $valid_acls[] = $option; - } - } - - $conf .= <<<EOD -no_cache deny dynamic -http_access allow manager localhost -http_access deny manager -http_access allow purge localhost -http_access deny purge -http_access deny !safeports -http_access deny CONNECT !sslports - -http_access allow localhost - -EOD; - - return $conf; -} - -function squid_resync_traffic() { - global $config, $valid_acls; - if(!is_array($valid_acls)) - return; - $settings = $config['installedpackages']['squidtraffic']['config'][0]; - $conf = ''; - - $up_limit = ($settings['max_upload_size'] ? $settings['max_upload_size'] : 0); - $down_limit = ($settings['max_download_size'] ? $settings['max_download_suze'] : 0); - $conf .= "request_body_max_size $up_limit KB\n"; - $conf .= 'reply_body_max_size ' . ($down_limit * 1024) . " allow all\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; - - foreach (array('unrestricted_hosts', 'unrestricted_macs') as $item) { - if (in_array($item, $valid_acls)) - $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,exe,com'; - $cdimages = 'iso,bin,mds,nrg,gho,bwt,b5t,pqi'; - $multimedia = 'aiff?,asf,avi,divx,mov,mp3,mp4,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 .= 'acl throttle_exts url_regex -i "' . SQUID_ACLDIR . '/throttle_exts.acl"'; - $conf .= "delay_access 1 allow throttle_exts\n"; - $conf .= "delay_access 1 deny all\n"; - } - else - $conf .= "delay_access 1 allow all\n"; - - return $conf; -} - -function squid_resync_auth() { - global $config, $valid_acls; - - $settings = $config['installedpackages']['squidauth']['config'][0]; - $conf = ''; - - // Deny the banned guys before allowing the good guys - $banned = array( 'banned_hosts', - 'banned_macs', - ); - $banned = array_filter($banned, 'squid_is_valid_acl'); - foreach ($banned as $acl) - $conf .= "http_access deny $acl\n"; - - // Unrestricted hosts take precendence over blacklist - if (squid_is_valid_acl('unrestricted_hosts')) - $conf .= "http_access allow unrestricted_hosts\n"; - if (squid_is_valid_acl('unrestricted_macs')) - $conf .= "http_access allow unrestricted_macs\n"; - // Whitelist and blacklist also take precendence - if (squid_is_valid_acl('whitelist')) - $conf .= "http_access allow whitelist\n"; - if (squid_is_valid_acl('blacklist')) - $conf .= "http_access deny blacklist\n"; - - $transparent_proxy = ($config['installedpackages']['squid']['config'][0]['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') { - if ($settings['allow_interface'] == 'on') { - $allowed = array('localnet', 'allowed_subnets'); - $allowed = array_filter($allowed, 'squid_is_valid_acl'); - foreach ($allowed as $acl) - $conf .= "http_access allow $acl\n"; - } - } - else { - $noauth = implode(' ', array_map('trim', explode(',', $settings['no_auth_hosts']))); - if (!empty($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 /usr/local/libexec/squid/ncsa_auth ' . SQUID_PASSWD . "\n"; - break; - case 'ldap': - $port = (isset($settings['auth_port']) ? ":{$settings['auth_port']}" : ''); - $password = (isset($settings['ldap_pass']) ? "-w {$settings['ldap_pass']}" : ''); - $conf .= "auth_param basic program /usr/local/libexec/squid/squid_ldap_auth -b {$settings['ldap_basedomain']} -D {$settings['ldap_user']} $password -f \"(&(objectClass=person)(cn=%s))\" -u cn -P {$settings['auth_server']}$port\n"; - break; - case 'radius': - $port = (isset($settings['auth_port']) ? "-p {$settings['auth_server_port']}" : ''); - $conf .= "auth_param basic program /usr/local/libexec/squid/squid_radius_auth -w {$settings['radius_secret']} -h {$settings['auth_server']} $port\n"; - break; - case 'msnt': - $conf .= "auth_param basic program /usr/local/libexec/squid/msnt_auth\n"; - 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'); - $passwordless = array('unrestricted_hosts', 'unrestricted_macs'); - if ($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 $acl\n"; - - // Allow the other ACLs as long as they authenticate - foreach ($password as $acl) - $conf .= "http_access allow password $acl\n"; - } - - - $conf .= "http_access deny all\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() { - global $config; - $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_auth(); - squid_resync_users(); - - /* make sure pinger is executable */ - exec("chmod a+x /usr/local/libexec/squid/pinger"); - - file_put_contents(SQUID_CONFBASE . '/squid.conf', $conf); - - $log_dir = $config['installedpackages']['squid']['config'][0]['log_dir'].'/'; - - if(!is_dir($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_bg("/usr/local/sbin/squid -D"); - } else { - log_error("Reloading Squid for configuration sync"); - mwexec("/usr/local/sbin/squid -k reconfigure"); - } - - filter_configure(); -} - -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_server_port.disabled = 1; - document.iform.ldap_user.disabled = 1; - document.iform.ldap_password.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.ldap_user.disabled = 1; - document.iform.ldap_password.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.ldap_user.disabled = 1; - document.iform.ldap_password.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_password.disabled = 0; - document.iform.ldap_basedomain.disabled = 0; - document.iform.radius_secret.disabled = 1; - document.iform.msnt_secondary.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_password.disabled = 1; - document.iform.ldap_basedomain.disabled = 1; - document.iform.radius_secret.disabled = 0; - document.iform.msnt_secondary.disabled = 1; - break; - case 'msnt': - document.iform.auth_server.disabled = 0; - document.iform.auth_server_port.disabled = 1; - document.iform.ldap_user.disabled = 1; - document.iform.ldap_password.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 = $config['installedpackages']['squid']['config'][0]; - if (!is_service_running('squid')) { - log_error("SQUID is installed but not started. Not installing redirect rules."); - return; - } - - if (($squid_conf['transparent_proxy'] != 'on') || ($squid_conf['allow_interface'] != 'on')) { - return; - } - - $ifaces = explode(',', $squid_conf['active_interface']); - $ifaces = array_map('convert_friendly_interface_to_real_interface_name', $ifaces); - - switch($type) { - case 'nat': - foreach ($ifaces as $iface) - $rules .= "# Setup Squid transparent proxy redirect\n"; - $rules .= "rdr on $iface proto tcp from any to !($iface) port 80 -> ($iface) port 80\n"; - $rules .= "\n"; - break; - case 'filter': - foreach ($ifaces as $iface) - $rules .= "# Setup squid pass rules for transparent proxy\n"; - $rules .= "pass in quick on $iface proto tcp from any to !($iface) port 80 flags S/SA keep state\n"; - $rules .= "\n"; - break; - default: - break; - } - - return $rules; -} -?> |