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- <?php
- /*
- $Id$
- part of m0n0wall (http://m0n0.ch/wall)
- Copyright (C) 2013-2015 Electric Sheep Fencing, LP
- Copyright (C) 2009 Ermal Luçi
- Copyright (C) 2003-2006 Manuel Kasper <mk@neon1.net>.
- 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.
- */
- /*
- pfSense_MODULE: captiveportal
- */
- require_once("auth.inc");
- require_once("functions.inc");
- require_once("captiveportal.inc");
- $errormsg = "Invalid credentials specified.";
- header("Expires: 0");
- header("Cache-Control: no-store, no-cache, must-revalidate");
- header("Cache-Control: post-check=0, pre-check=0", false);
- header("Pragma: no-cache");
- header("Connection: close");
- global $cpzone, $cpzoneid;
- $cpzone = $_REQUEST['zone'];
- $cpcfg = $config['captiveportal'][$cpzone];
- if (empty($cpcfg)) {
- log_error("Submission to captiveportal with unknown parameter zone: " . htmlspecialchars($cpzone));
- portal_reply_page($redirurl, "error", $errormsg);
- ob_flush();
- return;
- }
- $cpzoneid = $cpcfg['zoneid'];
- $orig_host = $_SERVER['HTTP_HOST'];
- /* NOTE: IE 8/9 is buggy and that is why this is needed */
- $orig_request = trim($_REQUEST['redirurl'], " /");
- $clientip = $_SERVER['REMOTE_ADDR'];
- if (!$clientip) {
- /* not good - bail out */
- log_error("Zone: {$cpzone} - Captive portal could not determine client's IP address.");
- $error_message = "An error occurred. Please check the system logs for more information.";
- portal_reply_page($redirurl, "error", $errormsg);
- ob_flush();
- return;
- }
- $ourhostname = portal_hostname_from_client_ip($clientip);
- if ($orig_host != $ourhostname) {
- /* the client thinks it's connected to the desired web server, but instead
- it's connected to us. Issue a redirect... */
- $protocol = (isset($cpcfg['httpslogin'])) ? 'https://' : 'http://';
- header("Location: {$protocol}{$ourhostname}/index.php?zone={$cpzone}&redirurl=" . urlencode("http://{$orig_host}/{$orig_request}"));
- ob_flush();
- return;
- }
- if (!empty($cpcfg['redirurl']))
- $redirurl = $cpcfg['redirurl'];
- else if (preg_match("/redirurl=(.*)/", $orig_request, $matches))
- $redirurl = urldecode($matches[1]);
- else if ($_REQUEST['redirurl'])
- $redirurl = $_REQUEST['redirurl'];
- $macfilter = !isset($cpcfg['nomacfilter']);
- $passthrumac = isset($cpcfg['passthrumacadd']);
- /* find MAC address for client */
- if ($macfilter || $passthrumac) {
- $tmpres = pfSense_ip_to_mac($clientip);
- if (!is_array($tmpres)) {
- /* unable to find MAC address - shouldn't happen! - bail out */
- captiveportal_logportalauth("unauthenticated","noclientmac",$clientip,"ERROR");
- echo "An error occurred. Please check the system logs for more information.";
- log_error("Zone: {$cpzone} - Captive portal could not determine client's MAC address. Disable MAC address filtering in captive portal if you do not need this functionality.");
- ob_flush();
- return;
- }
- $clientmac = $tmpres['macaddr'];
- unset($tmpres);
- }
- /* find out if we need RADIUS + RADIUSMAC or not */
- if (file_exists("{$g['vardb_path']}/captiveportal_radius_{$cpzone}.db")) {
- $radius_enable = TRUE;
- if (isset($cpcfg['radmac_enable']))
- $radmac_enable = TRUE;
- }
- /* find radius context */
- $radiusctx = 'first';
- if ($_POST['auth_user2'])
- $radiusctx = 'second';
- if ($_POST['logout_id']) {
- if(isset($_COOKIE['cookie_portal'])) {
- unset($_COOKIE['cookie_portal']);
- setcookie('cookie_portal', '', time() - 3600);
- }
- echo <<<EOD
- <html>
- <head><title>Disconnecting...</title></head>
- <body bgcolor="#435370">
- <span style="color: #ffffff; font-family: Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size: 11px;">
- <b>You have been disconnected.</b>
- </span>
- <script type="text/javascript">
- <!--
- setTimeout('window.close();',5000) ;
- -->
- </script>
- </body>
- </html>
- EOD;
- captiveportal_disconnect_client($_POST['logout_id']);
- } else if ($macfilter && $clientmac && captiveportal_blocked_mac($clientmac)) {
- captiveportal_logportalauth($clientmac,$clientmac,$clientip,"Blocked MAC address");
- if (!empty($cpcfg['blockedmacsurl']))
- portal_reply_page($cpcfg['blockedmacsurl'], "redir");
- else
- portal_reply_page($redirurl, "error", "This MAC address has been blocked");
- } else if ($clientmac && $radmac_enable && portal_mac_radius($clientmac,$clientip, $radiusctx)) {
- /* radius functions handle everything so we exit here since we're done */
- } else if (portal_consume_passthrough_credit($clientmac)) {
- /* allow the client through if it had a pass-through credit for its MAC */
- captiveportal_logportalauth("unauthenticated",$clientmac,$clientip,"ACCEPT");
- portal_allow($clientip, $clientmac, "unauthenticated");
- } else if (isset($config['voucher'][$cpzone]['enable']) && $_POST['accept'] && $_POST['auth_voucher']) {
- $voucher = trim($_POST['auth_voucher']);
- $timecredit = voucher_auth($voucher);
- // $timecredit contains either a credit in minutes or an error message
- if ($timecredit > 0) { // voucher is valid. Remaining minutes returned
- // if multiple vouchers given, use the first as username
- $a_vouchers = preg_split("/[\t\n\r ]+/s",$voucher);
- $voucher = $a_vouchers[0];
- $attr = array( 'voucher' => 1,
- 'session_timeout' => $timecredit*60,
- 'session_terminate_time' => 0);
- if (portal_allow($clientip, $clientmac,$voucher,null,$attr)) {
- // YES: user is good for $timecredit minutes.
- captiveportal_logportalauth($voucher,$clientmac,$clientip,"Voucher login good for $timecredit min.");
- } else {
- portal_reply_page($redirurl, "error", $config['voucher'][$cpzone]['msgexpired'] ? $config['voucher'][$cpzone]['msgexpired']: $errormsg);
- }
- } else if (-1 == $timecredit) { // valid but expired
- captiveportal_logportalauth($voucher,$clientmac,$clientip,"FAILURE","voucher expired");
- portal_reply_page($redirurl, "error", $config['voucher'][$cpzone]['msgexpired'] ? $config['voucher'][$cpzone]['msgexpired']: $errormsg);
- } else {
- captiveportal_logportalauth($voucher,$clientmac,$clientip,"FAILURE");
- portal_reply_page($redirurl, "error", $config['voucher'][$cpzone]['msgnoaccess'] ? $config['voucher'][$cpzone]['msgnoaccess'] : $errormsg);
- }
- } else if ($_POST['accept'] && $radius_enable) {
- if (($_POST['auth_user'] && isset($_POST['auth_pass'])) || ($_POST['auth_user2'] && isset($_POST['auth_pass2']))) {
- if (!empty($_POST['auth_user'])) {
- $user = $_POST['auth_user'];
- $paswd = $_POST['auth_pass'];
- } else if (!empty($_POST['auth_user2'])) {
- $user = $_POST['auth_user2'];
- $paswd = $_POST['auth_pass2'];
- }
- $auth_list = radius($user,$paswd,$clientip,$clientmac,"USER LOGIN", $radiusctx);
- $type = "error";
- if (!empty($auth_list['url_redirection'])) {
- $redirurl = $auth_list['url_redirection'];
- $type = "redir";
- }
- if ($auth_list['auth_val'] == 1) {
- captiveportal_logportalauth($user,$clientmac,$clientip,"ERROR",$auth_list['error']);
- portal_reply_page($redirurl, $type, $auth_list['error'] ? $auth_list['error'] : $errormsg);
- } else if ($auth_list['auth_val'] == 3) {
- captiveportal_logportalauth($user,$clientmac,$clientip,"FAILURE",$auth_list['reply_message']);
- portal_reply_page($redirurl, $type, $auth_list['reply_message'] ? $auth_list['reply_message'] : $errormsg);
- }
- } else {
- if (!empty($_POST['auth_user']))
- $user = $_POST['auth_user'];
- else if (!empty($_POST['auth_user2']))
- $user = $_POST['auth_user2'];
- else
- $user = 'unknown';
- captiveportal_logportalauth($user ,$clientmac,$clientip,"ERROR");
- portal_reply_page($redirurl, "error", $errormsg);
- }
- } else if ($_POST['accept'] && $cpcfg['auth_method'] == "local") {
- if ($_POST['auth_user'] && $_POST['auth_pass']) {
- //check against local user manager
- $loginok = local_backed($_POST['auth_user'], $_POST['auth_pass']);
- if ($loginok && isset($cpcfg['localauth_priv']))
- $loginok = userHasPrivilege(getUserEntry($_POST['auth_user']), "user-services-captiveportal-login");
- if ($loginok){
- captiveportal_logportalauth($_POST['auth_user'],$clientmac,$clientip,"LOGIN");
- portal_allow($clientip, $clientmac,$_POST['auth_user']);
- } else {
- captiveportal_logportalauth($_POST['auth_user'],$clientmac,$clientip,"FAILURE");
- portal_reply_page($redirurl, "error", $errormsg);
- }
- } else
- portal_reply_page($redirurl, "error", $errormsg);
- } else if ($_POST['accept'] && $clientip && $cpcfg['auth_method'] == "none") {
- captiveportal_logportalauth("unauthenticated",$clientmac,$clientip,"ACCEPT");
- portal_allow($clientip, $clientmac, "unauthenticated");
- } else if ((isset($_COOKIE['cookie_portal']) && already_connected($_COOKIE['cookie_portal']))) {
- portal_reply_page($redirurl, "already_connected",null,$clientmac,$clientip);
- } else {
- /* display captive portal page */
- portal_reply_page($redirurl, "login",null,$clientmac,$clientip);
- }
- ob_flush();
- ?>
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