diff options
Diffstat (limited to 'config/squid3/34/squid_reverse.inc')
| -rwxr-xr-x | config/squid3/34/squid_reverse.inc | 205 |
1 files changed, 159 insertions, 46 deletions
diff --git a/config/squid3/34/squid_reverse.inc b/config/squid3/34/squid_reverse.inc index b302c8b1..74aab0a1 100755 --- a/config/squid3/34/squid_reverse.inc +++ b/config/squid3/34/squid_reverse.inc @@ -30,6 +30,7 @@ POSSIBILITY OF SUCH DAMAGE. */ require_once('certs.inc'); +require_once("pfsense-utils.inc"); require_once('util.inc'); /* This file is currently only being included in squid.inc and not used separately */ // require_once('squid.inc'); @@ -41,48 +42,85 @@ function squid_resync_reverse() { // config file if (is_array($config['installedpackages']['squidreversegeneral'])) { $settings = $config['installedpackages']['squidreversegeneral']['config'][0]; + } else { + $settings = array(); } if (is_array($config['installedpackages']['squidreversepeer'])) { $reverse_peers = $config['installedpackages']['squidreversepeer']['config']; + } else { + $reverse_peers = array(); } if (is_array($config['installedpackages']['squidreverseuri'])) { $reverse_maps = $config['installedpackages']['squidreverseuri']['config']; + } else { + $reverse_maps = array(); } if (is_array($config['installedpackages']['squidreverseredir'])) { $reverse_redir = $config['installedpackages']['squidreverseredir']['config']; + } else { + $reverse_redir = array(); } $conf = "# Reverse Proxy settings\n"; - if (isset($settings["reverse_ssl_cert"]) && $settings["reverse_ssl_cert"] != "none") { - $svr_cert = lookup_cert($settings["reverse_ssl_cert"]); + if (isset($settings['reverse_ssl_cert']) && $settings['reverse_ssl_cert'] != "none") { + $svr_cert = lookup_cert($settings['reverse_ssl_cert']); if ($svr_cert != false) { if (base64_decode($svr_cert['crt'])) { - file_put_contents(SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.crt", sq_text_area_decode($svr_cert['crt'])); - $reverse_crt = SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.crt"; + file_put_contents(SQUID_CONFBASE . "/{$settings['reverse_ssl_cert']}.crt", sq_text_area_decode($svr_cert['crt'])); + $reverse_crt = SQUID_CONFBASE . "/{$settings['reverse_ssl_cert']}.crt"; } if (base64_decode($svr_cert['prv'])) { - file_put_contents(SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.key", sq_text_area_decode($svr_cert['prv'])); - $reverse_key = SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.key"; + file_put_contents(SQUID_CONFBASE . "/{$settings['reverse_ssl_cert']}.key", sq_text_area_decode($svr_cert['prv'])); + $reverse_key = SQUID_CONFBASE . "/{$settings['reverse_ssl_cert']}.key"; } } } if (!empty($settings['reverse_int_ca'])) { - file_put_contents(SQUID_CONFBASE . "/{$settings["reverse_ssl_cert"]}.crt", "\n" . sq_text_area_decode($settings['reverse_int_ca']), FILE_APPEND | LOCK_EX); + file_put_contents(SQUID_CONFBASE . "/{$settings['reverse_ssl_cert']}.crt", "\n" . sq_text_area_decode($settings['reverse_int_ca']), FILE_APPEND | LOCK_EX); + } + + if (isset($settings['reverse_check_clientca']) && $settings['reverse_check_clientca'] == "on") { + if (isset($settings['reverse_ssl_clientca']) && $settings['reverse_ssl_clientca'] != 'none') { + $clientca_cert = lookup_ca($settings['reverse_ssl_clientca']); + $clientca_opts = ''; + if ($clientca_cert != false) { + if (base64_decode($clientca_cert['crt'])) { + file_put_contents(SQUID_CONFBASE . "/{$settings['reverse_ssl_clientca']}.crt", sq_text_area_decode($clientca_cert['prv'])); + $clientca_opts = "clientca=" . SQUID_CONFBASE . "/{$settings['reverse_ssl_clientca']}.crt"; + } + if (base64_decode($clientca_cert['prv'])) { + file_put_contents(SQUID_CONFBASE . "/{$settings['reverse_ssl_clientca']}.crt", "\n" . sq_text_area_decode($clientca_cert['crt']), FILE_APPEND | LOCK_EX); + } + } + } + if (isset($settings['reverse_ssl_clientcrl']) && $settings['reverse_ssl_clientcrl'] != 'none') { + $crl = lookup_crl($settings['reverse_ssl_clientcrl']); + crl_update($crl); + if ($crl != false) { + if (base64_decode($crl['text'])) { + file_put_contents(SQUID_CONFBASE . "/{$settings['reverse_ssl_clientcrl']}.crl", sq_text_area_decode($crl['text'])); + $clientca_opts .= " crlfile=" . SQUID_CONFBASE . "/{$settings['reverse_ssl_clientcrl']}.crl sslflags=VERIFY_CRL"; + } + } + } } $ifaces = ($settings['reverse_interface'] ? $settings['reverse_interface'] : 'wan'); $real_ifaces = array(); // set HTTP port and defsite - $http_port = (empty($settings['reverse_http_port']) ? "80" : $settings['reverse_http_port']); + $http_port = (!is_port($settings['reverse_http_port']) ? "80" : $settings['reverse_http_port']); $http_defsite = (empty($settings['reverse_http_defsite']) ? $settings['reverse_external_fqdn'] : $settings['reverse_http_defsite']); // set HTTPS port and defsite - $https_port = (empty($settings['reverse_https_port']) ? "443" : $settings['reverse_https_port']); + $https_port = (!is_port($settings['reverse_https_port']) ? "443" : $settings['reverse_https_port']); $https_defsite = (empty($settings['reverse_https_defsite']) ? $settings['reverse_external_fqdn'] : $settings['reverse_https_defsite']); + // Ignore Internal Certificate Validation + $sslflags = ($settings['reverse_ignore_ssl_valid'] == "on" ? "sslflags=DONT_VERIFY_PEER" : ""); + foreach (explode(",", $ifaces) as $i => $iface) { $real_ifaces[] = squid_get_real_interface_address($iface); if ($real_ifaces[$i][0]) { @@ -92,7 +130,7 @@ function squid_resync_reverse() { } //HTTPS if (!empty($settings['reverse_https'])) { - $conf .= "https_port {$real_ifaces[$i][0]}:{$https_port} accel cert={$reverse_crt} key={$reverse_key} defaultsite={$https_defsite} vhost\n"; + $conf .= "https_port {$real_ifaces[$i][0]}:{$https_port} accel cert={$reverse_crt} key={$reverse_key} {$clientca_opts} defaultsite={$https_defsite} vhost\n"; } } } @@ -112,13 +150,13 @@ function squid_resync_reverse() { } // peers - if (($settings['reverse_owa'] == 'on') && (!empty($settings['reverse_owa_ip']))) { + if ($settings['reverse_owa'] == 'on') { if (!empty($settings['reverse_owa_ip'])) { $reverse_owa_ip = explode(";", ($settings['reverse_owa_ip'])); $casnr = 0; foreach ($reverse_owa_ip as $reowaip) { $casnr++; - $conf .= "cache_peer {$reowaip} parent 443 0 proxy-only no-query no-digest originserver login=PASSTHRU connection-auth=on ssl sslflags=DONT_VERIFY_PEER front-end-https=on name=OWA_HOST_443_{$casnr}_pfs\n"; + $conf .= "cache_peer {$reowaip} parent 443 0 proxy-only no-query no-digest originserver login=PASSTHRU connection-auth=on ssl {$sslflags} front-end-https=on name=OWA_HOST_443_{$casnr}_pfs\n"; $conf .= "cache_peer {$reowaip} parent 80 0 proxy-only no-query no-digest originserver login=PASSTHRU connection-auth=on name=OWA_HOST_80_{$casnr}_pfs\n"; } } @@ -131,7 +169,7 @@ function squid_resync_reverse() { $conf_peer = "#{$rp['description']}\n"; $conf_peer .= "cache_peer {$rp['ip']} parent {$rp['port']} 0 proxy-only no-query no-digest originserver login=PASSTHRU connection-auth=on round-robin "; if ($rp['protocol'] == 'HTTPS') { - $conf_peer .= "ssl sslflags=DONT_VERIFY_PEER front-end-https=auto "; + $conf_peer .= "ssl {$sslflags} front-end-https=auto "; } $conf_peer .= "name=rvp_{$rp['name']}\n\n"; @@ -259,7 +297,7 @@ function squid_resync_reverse() { $conf .= "http_access allow OWA_URI_pfs\n"; } - $conf .= $cache_peer_allow_conf.$cache_peer_deny_conf.$cache_peer_never_direct_conf.$http_access_conf."\n"; + $conf .= $cache_peer_allow_conf . $cache_peer_deny_conf . $cache_peer_never_direct_conf . $http_access_conf . "\n"; if (!empty($settings['deny_info_tcp_reset'])) { $conf .= "deny_info TCP_RESET allsrc\n"; @@ -268,6 +306,46 @@ function squid_resync_reverse() { return $conf; } +/* Refresh Client Certificate Revocation List */ +function squid_refresh_crl() { + global $config; + + if (is_array($config['installedpackages']['squidreversegeneral'])) { + $settings = $config['installedpackages']['squidreversegeneral']['config'][0]; + } else { + $settings = array(); + } + + if (isset($settings['reverse_check_clientca']) && $settings['reverse_check_clientca'] == "on" && isset($settings['reverse_ssl_clientcrl']) && $settings['reverse_ssl_clientcrl'] != 'none') { + $crl = lookup_crl($settings['reverse_ssl_clientcrl']); + crl_update($crl); + if ($crl != false) { + if (base64_decode($crl['text'])) { + file_put_contents(SQUID_CONFBASE . "/{$settings['reverse_ssl_clientcrl']}.crl", sq_text_area_decode($crl['text'])); + } + } + } +} + +/* Check whether Squid reverse proxy is enabled */ +function squid_reverse_enabled() { + global $config, $reverse_proxy_enabled; + $reverse_proxy_enabled = false; + + if (is_array($config['installedpackages']['squidreversegeneral']['config'])) { + // check whether HTTP or HTTPS reverse proxy is enabled ... + if ($config['installedpackages']['squidreversegeneral']['config'][0]['reverse_http'] == "on" || + $config['installedpackages']['squidreversegeneral']['config'][0]['reverse_https'] == "on") { + // ... and has at least one reverse interface configured + if (!empty($config['installedpackages']['squidreversegeneral']['config'][0]['reverse_interface'])) { + $reverse_proxy_enabled = true; + } + } + } + + return $reverse_proxy_enabled; +} + /* Migrate reverse proxy configuration from old Squid package versions */ function squid_reverse_upgrade_config() { global $config; @@ -325,51 +403,84 @@ function squid_reverse_upgrade_config() { function squid_validate_reverse($post, &$input_errors) { global $config; + /* Manually refresh client CRL */ + if ($post['refresh_crl'] == 'Refresh CRL') { + log_error("[squid] Client Certificate Revocation List refresh forced via GUI. Refreshing now..."); + squid_refresh_crl(); + } + + if ($post['reverse_http'] == 'on' || $post['reverse_https'] == 'on') { + if (empty($post['reverse_interface'])) { + $input_errors[] = "You must select at least one interface under 'Reverse Proxy Interface(s)' to enable HTTP Reverse Proxy."; + } + $fqdn = trim($post['reverse_external_fqdn']); + if (empty($fqdn) || !is_domain($fqdn)) { + $input_errors[] = "'External FQDN' field must contain a valid domain name."; + } + unset($fqdn); + } + if (!empty($post['reverse_ip'])) { $reverse_ip = explode(";", ($post['reverse_ip'])); foreach ($reverse_ip as $reip) { - if (!is_ipaddr(trim($reip))) { - $input_errors[] = "You must enter a valid IP address in the 'User-defined reverse-proxy IPs' field. '$reip' is invalid."; + if (!is_ipaddr_configured(trim($reip))) { + $input_errors[] = "You must enter a valid, locally configured IP address in the 'User Defined Reverse Proxy IPs' field. '$reip' is invalid."; } } + unset($reverse_ip); } - $fqdn = trim($post['reverse_external_fqdn']); - if (!empty($fqdn) && !is_domain($fqdn)) { - $input_errors[] = "'External FQDN' field must contain a valid domain name."; + if ($post['reverse_http'] == 'on') { + $port = trim($post['reverse_http_port']); + preg_match("/(\d+)/", shell_exec("/sbin/sysctl net.inet.ip.portrange.reservedhigh"), $portrange); + if (!is_port($port)) { + $input_errors[] = "'Reverse HTTP port' must contain a valid port number."; + } + if (is_port($port) && $port <= $portrange[1]) { + $input_errors[] = "'Reverse HTTP port' must contain a port number higher than net.inet.ip.portrange.reservedhigh sysctl value({$portrange[1]})."; + $input_errors[] = "To listen on low ports, change portrange.reservedhigh sysctl value to 0 in System: Advanced: System Tunables and restart Squid daemon."; + } + unset($port, $portrange); } - $port = trim($post['reverse_http_port']); - preg_match("/(\d+)/", shell_exec("/sbin/sysctl net.inet.ip.portrange.reservedhigh"), $portrange); - if (!empty($port) && !is_port($port)) { - $input_errors[] = "'Reverse HTTP port' must contain a valid port number."; - } - if (!empty($port) && is_port($port) && $port <= $portrange[1]) { - $input_errors[] = "'Reverse HTTP port' must contain a port number higher than net.inet.ip.portrange.reservedhigh sysctl value({$portrange[1]})."; - $input_errors[] = "To listen on low ports, change portrange.reservedhigh sysctl value to 0 in system tunable options and restart Squid daemon."; - } - $port = trim($post['reverse_https_port']); - if (!empty($port) && !is_port($port)) { - $input_errors[] = "'Reverse HTTPS port' must contain a valid port number."; - } - if (!empty($port) && is_port($port) && $port <= $portrange[1]) { - $input_errors[] = "'Reverse HTTPS port' must contain a port number higher than net.inet.ip.portrange.reservedhigh sysctl value({$portrange[1]})."; - $input_errors[] = "To listen on low ports, change portrange.reservedhigh sysctl value to 0 in system tunable options and restart Squid daemon."; - } - if ($post['reverse_ssl_cert'] == 'none') { - $input_errors[] = 'A valid certificate for the external interface must be selected'; - } + if ($post['reverse_https'] == 'on') { + $port = trim($post['reverse_https_port']); + preg_match("/(\d+)/", shell_exec("/sbin/sysctl net.inet.ip.portrange.reservedhigh"), $portrange); + if (!is_port($port)) { + $input_errors[] = "'Reverse HTTPS port' must contain a valid port number."; + } + if (!empty($port) && is_port($port) && $port <= $portrange[1]) { + $input_errors[] = "'Reverse HTTPS port' must contain a port number higher than net.inet.ip.portrange.reservedhigh sysctl value({$portrange[1]})."; + $input_errors[] = "To listen on low ports, change portrange.reservedhigh sysctl value to 0 in System: Advanced: System Tunables and restart Squid daemon."; + } + unset($port, $portrange); + + if ($post['reverse_ssl_cert'] == 'none') { + $input_errors[] = "A valid certificate for the external interface must be selected when 'HTTPS Reverse Proxy' is enabled."; + } - if (($post['reverse_https'] != 'on') && ($post['reverse_owa'] == 'on')) { - $input_errors[] = "You have to enable reverse HTTPS before enabling OWA support."; + if ($post['reverse_check_clientca'] == 'on') { + if ($post['reverse_ssl_clientca'] == 'none') { + $input_errors[] = "A valid 'Client Certificate CA' must be selected when 'Check Client Certificate' is enabled"; + } + } } - if (!empty($post['reverse_owa_ip'])) { - $reverse_owa_ip = explode(";", ($post['reverse_owa_ip'])); - foreach ($reverse_owa_ip as $reowaip) { - if (!is_ipaddr(trim($reowaip))) { - $input_errors[] = "You must enter a valid IP address in the 'CAS-Array / OWA frontend IP address' field. '$reowaip' is invalid."; + if ($post['reverse_owa'] == 'on') { + if ($post['reverse_https'] != 'on') { + $input_errors[] = "You have to enable HTTPS Reverse Proxy to enable OWA support."; + } + + if (!empty($post['reverse_owa_ip'])) { + $reowaips = explode(";", ($post['reverse_owa_ip'])); + foreach ($reowaips as $reowaip) { + if (!is_ipaddr(trim($reowaip))) { + $input_errors[] = "You must enter a valid IP address in the 'CAS-Array / OWA Frontend IP Address(es)' field. '$reowaip' is invalid."; + } } + unset($reowaips); + } else { + $input_errors[] = "You must enter at least one valid IP address in the 'CAS-Array / OWA Frontend IP Address(es)' field."; } } @@ -388,7 +499,9 @@ function squid_validate_reverse($post, &$input_errors) { $input_errors[] = "Please choose HTTP or HTTPS in the cache peer configuration."; } } + unset($cfg, $defs); } + unset($contents); } ?> |