1 files changed, 252 insertions, 0 deletions
diff --git a/src/usr/local/captiveportal/index.php b/src/usr/local/captiveportal/index.php
new file mode 100644
index 0000000..d450233
--- /dev/null
+++ b/src/usr/local/captiveportal/index.php
@@ -0,0 +1,252 @@
+<?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-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();
+
+?>