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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 Lu├ži
+ 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-cache, no-store, must-revalidate");
+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']) {
+ 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]['descrmsgexpired'] ? $config['voucher'][$cpzone]['descrmsgexpired']: $errormsg);
+ }
+ } else if (-1 == $timecredit) { // valid but expired
+ captiveportal_logportalauth($voucher, $clientmac, $clientip, "FAILURE", "voucher expired");
+ portal_reply_page($redirurl, "error", $config['voucher'][$cpzone]['descrmsgexpired'] ? $config['voucher'][$cpzone]['descrmsgexpired']: $errormsg);
+ } else {
+ captiveportal_logportalauth($voucher, $clientmac, $clientip, "FAILURE");
+ portal_reply_page($redirurl, "error", $config['voucher'][$cpzone]['descrmsgnoaccess'] ? $config['voucher'][$cpzone]['descrmsgnoaccess'] : $errormsg);
+ }
+
+} else if ($_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, $clientmac, "unauthenticated");
+
+} else {
+ /* display captive portal page */
+ portal_reply_page($redirurl, "login", null, $clientmac, $clientip);
+}
+
+ob_flush();
+
+?>
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