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<?php
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/*
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$Id$
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part of m0n0wall (http://m0n0.ch/wall)
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Copyrigth (C) 2009 Ermal Lu?i
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Copyright (C) 2003-2006 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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pfSense_BUILDER_BINARIES: /sbin/ipfw
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pfSense_MODULE: captiveportal
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*/
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require_once("auth.inc");
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require_once("functions.inc");
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require_once("captiveportal.inc");
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$errormsg = "Invalid credentials specified.";
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header("Expires: 0");
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header("Cache-Control: no-store, no-cache, must-revalidate");
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header("Cache-Control: post-check=0, pre-check=0", false);
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header("Pragma: no-cache");
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$orig_host = $_ENV['HTTP_HOST'];
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$orig_request = $_REQUEST['redirurl'];
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$clientip = $_SERVER['REMOTE_ADDR'];
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if (!$clientip) {
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/* not good - bail out */
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log_error("Captive portal could not determine client's IP address.");
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$error_message = "An error occurred. Please check the system logs for more information.";
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portal_reply_page($redirurl, "error", $errormsg);
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exit;
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}
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if (isset($config['captiveportal']['httpslogin']))
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$ourhostname = $config['captiveportal']['httpsname'] . ":8001";
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else {
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$ifip = portal_ip_from_client_ip($clientip);
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if (!$ifip)
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$ourhostname = $config['system']['hostname'] . ":8000";
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else
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$ourhostname = "{$ifip}:8000";
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}
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if ($orig_host != $ourhostname) {
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/* the client thinks it's connected to the desired web server, but instead
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it's connected to us. Issue a redirect... */
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if (isset($config['captiveportal']['httpslogin']))
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header("Location: https://{$ourhostname}/index.php?redirurl=" . urlencode("http://{$orig_host}{$orig_request}"));
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else
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header("Location: http://{$ourhostname}/index.php?redirurl=" . urlencode("http://{$orig_host}{$orig_request}"));
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exit;
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}
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if (preg_match("/redirurl=(.*)/", $orig_request, $matches))
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$redirurl = urldecode($matches[1]);
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if ($_POST['redirurl'])
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$redirurl = $_POST['redirurl'];
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if (!empty($config['captiveportal']['redirurl']))
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$redirurl = $config['captiveportal']['redirurl'];
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$macfilter = !isset($config['captiveportal']['nomacfilter']);
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$passthrumac = isset($config['captiveportal']['passthrumacadd']);
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/* find MAC address for client */
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$clientmac = arp_get_mac_by_ip($clientip);
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if (!$clientmac && ($macfilter || $passthrumac)) {
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/* unable to find MAC address - shouldn't happen! - bail out */
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captiveportal_logportalauth("unauthenticated","noclientmac",$clientip,"ERROR");
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echo "An error occurred. Please check the system logs for more information.";
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log_error("Captive portal could not determine client's MAC address. Disable MAC address filtering in captive portal if you do not need this functionality.");
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exit;
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}
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/* find out if we need RADIUS + RADIUSMAC or not */
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if (file_exists("{$g['vardb_path']}/captiveportal_radius.db")) {
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$radius_enable = TRUE;
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if (isset($config['captiveportal']['radmac_enable']))
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$radmac_enable = TRUE;
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}
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if ($_POST['logout_id']) {
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disconnect_client($_POST['logout_id']);
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echo <<<EOD
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<HTML>
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<HEAD><TITLE>Disconnecting...</TITLE></HEAD>
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<BODY BGCOLOR="#435370">
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<SPAN STYLE="color: #ffffff; font-family: Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size: 11px;">
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<B>You have been disconnected.</B>
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</SPAN>
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<SCRIPT LANGUAGE="JavaScript">
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<!--
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setTimeout('window.close();',5000) ;
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-->
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</SCRIPT>
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</BODY>
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</HTML>
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EOD;
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exit;
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} else if ($clientmac && $radmac_enable && portal_mac_radius($clientmac,$clientip)) {
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/* radius functions handle everything so we exit here since we're done */
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exit;
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} else if ($_POST['accept'] && $_POST['auth_voucher']) {
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$voucher = trim($_POST['auth_voucher']);
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$timecredit = voucher_auth($voucher);
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// $timecredit contains either a credit in minutes or an error message
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if ($timecredit > 0) { // voucher is valid. Remaining minutes returned
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// if multiple vouchers given, use the first as username
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$a_vouchers = split("[\t\n\r ]+",$voucher);
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$voucher = $a_vouchers[0];
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$attr = array( 'voucher' => 1,
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'session_timeout' => $timecredit*60,
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'session_terminate_time' => 0);
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if (portal_allow($clientip, $clientmac,$voucher,null,$attr)) {
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// YES: user is good for $timecredit minutes.
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captiveportal_logportalauth($voucher,$clientmac,$clientip,"Voucher login good for $timecredit min.");
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} else {
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portal_reply_page($redirurl, "error", $config['voucher']['msgexpired'] ? $config['voucher']['msgexpired']: $errormsg);
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}
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} else if (-1 == $timecredit) { // valid but expired
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captiveportal_logportalauth($voucher,$clientmac,$clientip,"FAILURE","voucher expired");
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portal_reply_page($redirurl, "error", $config['voucher']['msgexpired'] ? $config['voucher']['msgexpired']: $errormsg);
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} else {
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captiveportal_logportalauth($voucher,$clientmac,$clientip,"FAILURE");
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portal_reply_page($redirurl, "error", $config['voucher']['msgnoaccess'] ? $config['voucher']['msgnoaccess'] : $errormsg);
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}
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} else if ($_POST['accept'] && $radius_enable) {
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if ($_POST['auth_user'] && $_POST['auth_pass']) {
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$auth_list = radius($_POST['auth_user'],$_POST['auth_pass'],$clientip,$clientmac,"USER LOGIN");
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$type = "error";
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if (!empty($auth_list['url_redirection'])) {
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$redirurl = $auth_list['url_redirection'];
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$type = "redir";
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}
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if ($auth_list['auth_val'] == 1) {
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captiveportal_logportalauth($_POST['auth_user'],$clientmac,$clientip,"ERROR",$auth_list['error']);
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portal_reply_page($redirurl, $type, $auth_list['error'] ? $auth_list['error'] : $errormsg);
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}
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else if ($auth_list['auth_val'] == 3) {
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captiveportal_logportalauth($_POST['auth_user'],$clientmac,$clientip,"FAILURE",$auth_list['reply_message']);
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portal_reply_page($redirurl, $type, $auth_list['reply_message'] ? $auth_list['reply_message'] : $errormsg);
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}
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} else {
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captiveportal_logportalauth($_POST['auth_user'],$clientmac,$clientip,"ERROR");
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portal_reply_page($redirurl, "error", $errormsg);
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}
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} else if ($_POST['accept'] && $config['captiveportal']['auth_method'] == "local") {
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//check against local user manager
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$loginok = local_backed($_POST['auth_user'], $_POST['auth_pass']);
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if ($loginok){
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captiveportal_logportalauth($_POST['auth_user'],$clientmac,$clientip,"LOGIN");
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portal_allow($clientip, $clientmac,$_POST['auth_user']);
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} else {
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captiveportal_logportalauth($_POST['auth_user'],$clientmac,$clientip,"FAILURE");
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portal_reply_page($redirurl, "error", $errormsg);
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}
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} else if ($_POST['accept'] && $clientip) {
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captiveportal_logportalauth("unauthenticated",$clientmac,$clientip,"ACCEPT");
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portal_allow($clientip, $clientmac, "unauthenticated");
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} else {
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/* display captive portal page */
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portal_reply_page($redirurl, "login",null,$clientmac,$clientip);
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}
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exit;
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function portal_reply_page($redirurl, $type = null, $message = null, $clientmac = null, $clientip = null, $username = null, $password = null) {
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global $g, $config;
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/* Get captive portal layout */
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if ($type == "redir") {
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header("Location: {$redirurl}");
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return;
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} else if ($type == "login")
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$htmltext = get_include_contents("{$g['varetc_path']}/captiveportal.html");
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else
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$htmltext = get_include_contents("{$g['varetc_path']}/captiveportal-error.html");
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/* substitute other variables */
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if (isset($config['captiveportal']['httpslogin'])) {
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$htmltext = str_replace("\$PORTAL_ACTION\$", "https://{$config['captiveportal']['httpsname']}:8001/", $htmltext);
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$htmltext = str_replace("#PORTAL_ACTION#", "https://{$config['captiveportal']['httpsname']}:8001/", $htmltext);
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} else {
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$ifip = portal_ip_from_client_ip($clientip);
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if (!$ifip)
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$ourhostname = $config['system']['hostname'] . ":8000";
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else
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$ourhostname = "{$ifip}:8000";
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$htmltext = str_replace("\$PORTAL_ACTION\$", "http://{$ourhostname}/", $htmltext);
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$htmltext = str_replace("#PORTAL_ACTION#", "http://{$ourhostname}/", $htmltext);
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}
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$htmltext = str_replace("\$PORTAL_REDIRURL\$", htmlspecialchars($redirurl), $htmltext);
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$htmltext = str_replace("\$PORTAL_MESSAGE\$", htmlspecialchars($message), $htmltext);
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$htmltext = str_replace("\$CLIENT_MAC\$", htmlspecialchars($clientmac), $htmltext);
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$htmltext = str_replace("\$CLIENT_IP\$", htmlspecialchars($clientip), $htmltext);
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// Special handling case for captive portal master page so that it can be ran
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// through the PHP interpreter using the include method above. We convert the
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// $VARIABLE$ case to #VARIABLE# in /etc/inc/captiveportal.inc before writing out.
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$htmltext = str_replace("#PORTAL_REDIRURL#", htmlspecialchars($redirurl), $htmltext);
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$htmltext = str_replace("#PORTAL_MESSAGE#", htmlspecialchars($message), $htmltext);
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$htmltext = str_replace("#CLIENT_MAC#", htmlspecialchars($clientmac), $htmltext);
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$htmltext = str_replace("#CLIENT_IP#", htmlspecialchars($clientip), $htmltext);
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$htmltext = str_replace("#USERNAME#", htmlspecialchars($username), $htmltext);
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$htmltext = str_replace("#PASSWORD#", htmlspecialchars($password), $htmltext);
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echo $htmltext;
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}
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function portal_mac_radius($clientmac,$clientip) {
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global $config ;
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247
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$radmac_secret = $config['captiveportal']['radmac_secret'];
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/* authentication against the radius server */
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$username = mac_format($clientmac);
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$auth_list = radius($username,$radmac_secret,$clientip,$clientmac,"MACHINE LOGIN");
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if ($auth_list['auth_val'] == 2)
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return TRUE;
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if (!empty($auth_list['url_redirection']))
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portal_reply_page($auth_list['url_redirection'], "redir");
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257
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return FALSE;
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}
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260
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261
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function portal_allow($clientip,$clientmac,$username,$password = null, $attributes = null, $ruleno = null) {
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262
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263
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global $redirurl, $g, $config, $type, $passthrumac, $_POST;
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264
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/* See if a ruleno is passed, if not start locking the sessions because this means there isn't one atm */
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266
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$captiveshouldunlock = false;
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267
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if ($ruleno == null) {
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268
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$cplock = lock('captiveportal');
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$captiveshouldunlock = true;
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270
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$ruleno = captiveportal_get_next_ipfw_ruleno();
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271
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}
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272
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273
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/* if the pool is empty, return appropriate message and exit */
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274
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if (is_null($ruleno)) {
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275
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portal_reply_page($redirurl, "error", "System reached maximum login capacity");
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log_error("WARNING! Captive portal has reached maximum login capacity");
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277
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if ($captiveshouldunlock == true)
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unlock($cplock);
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279
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exit;
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280
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}
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281
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282
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// Ensure we create an array if we are missing attributes
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283
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if (!is_array($attributes))
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284
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$attributes = array();
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285
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286
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/* read in client database */
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287
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$cpdb = captiveportal_read_db();
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288
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289
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$radiusservers = captiveportal_get_radius_servers();
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290
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291
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if ($attributes['voucher'])
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292
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$remaining_time = $attributes['session_timeout'];
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293
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294
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$writecfg = false;
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295
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/* Find an existing session */
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296
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if ((isset($config['captiveportal']['noconcurrentlogins'])) && $passthrumac) {
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297
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if (isset($config['captiveportal']['passthrumacadd'])) {
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298
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$mac = captiveportal_passthrumac_findbyname($username);
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299
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if (!empty($mac)) {
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300
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if ($_POST['replacemacpassthru']) {
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301
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foreach ($config['captiveportal']['passthrumac'] as $idx => $macent) {
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302
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if ($macent['mac'] == $mac['mac']) {
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303
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$macrules = "";
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304
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$ruleno = captiveportal_get_ipfw_passthru_ruleno($mac['mac']);
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305
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if ($ruleno) {
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306
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captiveportal_free_ipfw_ruleno($ruleno, true);
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307
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$macrules .= "delete {$ruleno}\n";
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++$ruleno;
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$macrules .= "delete {$ruleno}\n";
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310
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}
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unset($config['captiveportal']['passthrumac'][$idx]);
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312
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$mac['mac'] = $clientmac;
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313
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$config['captiveportal']['passthrumac'][] = $mac;
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314
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$macrules .= captiveportal_passthrumac_configure_entry($mac);
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315
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file_put_contents("{$g['tmp_path']}/macentry.rules.tmp", $macrules);
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mwexec("/sbin/ipfw -q {$g['tmp_path']}/macentry.rules.tmp");
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317
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$writecfg = true;
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318
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$sessionid = true;
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319
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break;
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320
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}
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321
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}
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322
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} else {
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323
|
portal_reply_page($redirurl, "error", "Username: {$username} is already authenticated using another MAC address.",
|
|
324
|
$clientmac, $clientip, $username, $password);
|
|
325
|
exit;
|
|
326
|
}
|
|
327
|
}
|
|
328
|
}
|
|
329
|
}
|
|
330
|
|
|
331
|
$nousers = count($cpdb);
|
|
332
|
for ($i = 0; $i < $nousers; $i++) {
|
|
333
|
/* on the same ip */
|
|
334
|
if($cpdb[$i][2] == $clientip) {
|
|
335
|
captiveportal_logportalauth($cpdb[$i][4],$cpdb[$i][3],$cpdb[$i][2],"CONCURRENT LOGIN - REUSING OLD SESSION");
|
|
336
|
$sessionid = $cpdb[$i][5];
|
|
337
|
break;
|
|
338
|
}
|
|
339
|
elseif (($attributes['voucher']) && ($username != 'unauthenticated') && ($cpdb[$i][4] == $username)) {
|
|
340
|
// user logged in with an active voucher. Check for how long and calculate
|
|
341
|
// how much time we can give him (voucher credit - used time)
|
|
342
|
$remaining_time = $cpdb[$i][0] + $cpdb[$i][7] - time();
|
|
343
|
if ($remaining_time < 0) // just in case.
|
|
344
|
$remaining_time = 0;
|
|
345
|
|
|
346
|
/* This user was already logged in so we disconnect the old one */
|
|
347
|
captiveportal_disconnect($cpdb[$i],$radiusservers,13);
|
|
348
|
captiveportal_logportalauth($cpdb[$i][4],$cpdb[$i][3],$cpdb[$i][2],"CONCURRENT LOGIN - TERMINATING OLD SESSION");
|
|
349
|
unset($cpdb[$i]);
|
|
350
|
break;
|
|
351
|
}
|
|
352
|
elseif ((isset($config['captiveportal']['noconcurrentlogins'])) && ($username != 'unauthenticated')) {
|
|
353
|
/* on the same username */
|
|
354
|
if (strcasecmp($cpdb[$i][4], $username) == 0) {
|
|
355
|
/* This user was already logged in so we disconnect the old one */
|
|
356
|
captiveportal_disconnect($cpdb[$i],$radiusservers,13);
|
|
357
|
captiveportal_logportalauth($cpdb[$i][4],$cpdb[$i][3],$cpdb[$i][2],"CONCURRENT LOGIN - TERMINATING OLD SESSION");
|
|
358
|
unset($cpdb[$i]);
|
|
359
|
break;
|
|
360
|
}
|
|
361
|
}
|
|
362
|
}
|
|
363
|
|
|
364
|
if ($attributes['voucher'] && $remaining_time <= 0) {
|
|
365
|
unlock($cplock);
|
|
366
|
return 0; // voucher already used and no time left
|
|
367
|
}
|
|
368
|
|
|
369
|
if (!isset($sessionid)) {
|
|
370
|
|
|
371
|
/* generate unique session ID */
|
|
372
|
$tod = gettimeofday();
|
|
373
|
$sessionid = substr(md5(mt_rand() . $tod['sec'] . $tod['usec'] . $clientip . $clientmac), 0, 16);
|
|
374
|
|
|
375
|
/* Add rules for traffic shaping
|
|
376
|
* We don't need to add extra rules since traffic will pass due to the following kernel option
|
|
377
|
* net.inet.ip.fw.one_pass: 1
|
|
378
|
*/
|
|
379
|
$peruserbw = isset($config['captiveportal']['peruserbw']);
|
|
380
|
|
|
381
|
$bw_up = isset($attributes['bw_up']) ? trim($attributes['bw_up']) : $config['captiveportal']['bwdefaultup'];
|
|
382
|
$bw_down = isset($attributes['bw_down']) ? trim($attributes['bw_down']) : $config['captiveportal']['bwdefaultdn'];
|
|
383
|
|
|
384
|
if ($passthrumac) {
|
|
385
|
$mac = array();
|
|
386
|
$mac['mac'] = $clientmac;
|
|
387
|
if (isset($config['captiveportal']['passthrumacaddusername']))
|
|
388
|
$mac['username'] = $username;
|
|
389
|
$mac['descr'] = "Auto added pass-through MAC for user {$username}";
|
|
390
|
if (!empty($bw_up))
|
|
391
|
$mac['bw_up'] = $bw_up;
|
|
392
|
if (!empty($bw_down))
|
|
393
|
$mac['bw_down'] = $bw_down;
|
|
394
|
if (!is_array($config['captiveportal']['passthrumac']))
|
|
395
|
$config['captiveportal']['passthrumac'] = array();
|
|
396
|
$config['captiveportal']['passthrumac'][] = $mac;
|
|
397
|
$macrules = captiveportal_passthrumac_configure_entry($mac);
|
|
398
|
file_put_contents("{$g['tmp_path']}/macentry.rules.tmp", $macrules);
|
|
399
|
mwexec("/sbin/ipfw -q {$g['tmp_path']}/macentry.rules.tmp");
|
|
400
|
$writecfg = true;
|
|
401
|
} else {
|
|
402
|
|
|
403
|
if ($peruserbw && !empty($bw_up) && is_numeric($bw_up)) {
|
|
404
|
$bw_up_pipeno = $ruleno + 20000;
|
|
405
|
//$bw_up /= 1000; // Scale to Kbit/s
|
|
406
|
mwexec("/sbin/ipfw pipe {$bw_up_pipeno} config bw {$bw_up}Kbit/s queue 100");
|
|
407
|
|
|
408
|
if (!isset($config['captiveportal']['nomacfilter']))
|
|
409
|
mwexec("/sbin/ipfw table 1 add {$clientip} mac {$clientmac} {$bw_up_pipeno}");
|
|
410
|
else
|
|
411
|
mwexec("/sbin/ipfw table 1 add {$clientip} {$bw_up_pipeno}");
|
|
412
|
} else {
|
|
413
|
if (!isset($config['captiveportal']['nomacfilter']))
|
|
414
|
mwexec("/sbin/ipfw table 1 add {$clientip} mac {$clientmac}");
|
|
415
|
else
|
|
416
|
mwexec("/sbin/ipfw table 1 add {$clientip}");
|
|
417
|
}
|
|
418
|
if ($peruserbw && !empty($bw_down) && is_numeric($bw_down)) {
|
|
419
|
$bw_down_pipeno = $ruleno + 20001;
|
|
420
|
//$bw_down /= 1000; // Scale to Kbit/s
|
|
421
|
mwexec("/sbin/ipfw pipe {$bw_down_pipeno} config bw {$bw_down}Kbit/s queue 100");
|
|
422
|
|
|
423
|
if (!isset($config['captiveportal']['nomacfilter']))
|
|
424
|
mwexec("/sbin/ipfw table 2 add {$clientip} mac {$clientmac} {$bw_down_pipeno}");
|
|
425
|
else
|
|
426
|
mwexec("/sbin/ipfw table 2 add {$clientip} {$bw_down_pipeno}");
|
|
427
|
} else {
|
|
428
|
if (!isset($config['captiveportal']['nomacfilter']))
|
|
429
|
mwexec("/sbin/ipfw table 2 add {$clientip} mac {$clientmac}");
|
|
430
|
else
|
|
431
|
mwexec("/sbin/ipfw table 2 add {$clientip}");
|
|
432
|
}
|
|
433
|
|
|
434
|
if ($attributes['voucher'])
|
|
435
|
$attributes['session_timeout'] = $remaining_time;
|
|
436
|
|
|
437
|
/* encode password in Base64 just in case it contains commas */
|
|
438
|
$bpassword = base64_encode($password);
|
|
439
|
$cpdb[] = array(time(), $ruleno, $clientip, $clientmac, $username, $sessionid, $bpassword,
|
|
440
|
$attributes['session_timeout'], $attributes['idle_timeout'], $attributes['session_terminate_time']);
|
|
441
|
|
|
442
|
if (isset($config['captiveportal']['radacct_enable']) && !empty($radiusservers)) {
|
|
443
|
$acct_val = RADIUS_ACCOUNTING_START($ruleno,
|
|
444
|
$username, $sessionid, $radiusservers, $clientip, $clientmac);
|
|
445
|
|
|
446
|
if ($acct_val == 1)
|
|
447
|
captiveportal_logportalauth($username,$clientmac,$clientip,$type,"RADIUS ACCOUNTING FAILED");
|
|
448
|
}
|
|
449
|
|
|
450
|
/* rewrite information to database */
|
|
451
|
captiveportal_write_db($cpdb);
|
|
452
|
}
|
|
453
|
}
|
|
454
|
|
|
455
|
if ($captiveshouldunlock == true)
|
|
456
|
unlock($cplock);
|
|
457
|
|
|
458
|
if ($writecfg == true)
|
|
459
|
write_config();
|
|
460
|
|
|
461
|
/* redirect user to desired destination */
|
|
462
|
if (!empty($attributes['url_redirection']))
|
|
463
|
$my_redirurl = $attributes['url_redirection'];
|
|
464
|
else if ($config['captiveportal']['redirurl'])
|
|
465
|
$my_redirurl = $config['captiveportal']['redirurl'];
|
|
466
|
else
|
|
467
|
$my_redirurl = $redirurl;
|
|
468
|
|
|
469
|
if(isset($config['captiveportal']['logoutwin_enable']) && !$passthrumac) {
|
|
470
|
|
|
471
|
if (isset($config['captiveportal']['httpslogin']))
|
|
472
|
$logouturl = "https://{$config['captiveportal']['httpsname']}:8001/";
|
|
473
|
else {
|
|
474
|
$ifip = portal_ip_from_client_ip($clientip);
|
|
475
|
if (!$ifip)
|
|
476
|
$ourhostname = $config['system']['hostname'] . ":8000";
|
|
477
|
else
|
|
478
|
$ourhostname = "{$ifip}:8000";
|
|
479
|
$logouturl = "http://{$ourhostname}/";
|
|
480
|
}
|
|
481
|
|
|
482
|
if (isset($attributes['reply_message']))
|
|
483
|
$message = $attributes['reply_message'];
|
|
484
|
else
|
|
485
|
$message = 0;
|
|
486
|
|
|
487
|
include("{$g['varetc_path']}/captiveportal-logout.html");
|
|
488
|
|
|
489
|
} else {
|
|
490
|
header("Location: " . $my_redirurl);
|
|
491
|
}
|
|
492
|
|
|
493
|
return $sessionid;
|
|
494
|
}
|
|
495
|
|
|
496
|
|
|
497
|
|
|
498
|
/* remove a single client by session ID
|
|
499
|
by Dinesh Nair
|
|
500
|
*/
|
|
501
|
function disconnect_client($sessionid, $logoutReason = "LOGOUT", $term_cause = 1) {
|
|
502
|
|
|
503
|
global $g, $config;
|
|
504
|
|
|
505
|
$cplock = lock('captiveportal');
|
|
506
|
/* read database */
|
|
507
|
$cpdb = captiveportal_read_db();
|
|
508
|
|
|
509
|
$radiusservers = captiveportal_get_radius_servers();
|
|
510
|
|
|
511
|
/* find entry */
|
|
512
|
$dbcount = count($cpdb);
|
|
513
|
for ($i = 0; $i < $dbcount; $i++) {
|
|
514
|
if ($cpdb[$i][5] == $sessionid) {
|
|
515
|
captiveportal_disconnect($cpdb[$i],$radiusservers, $term_cause);
|
|
516
|
captiveportal_logportalauth($cpdb[$i][4],$cpdb[$i][3],$cpdb[$i][2],$logoutReason);
|
|
517
|
unset($cpdb[$i]);
|
|
518
|
break;
|
|
519
|
}
|
|
520
|
}
|
|
521
|
|
|
522
|
/* write database */
|
|
523
|
captiveportal_write_db($cpdb);
|
|
524
|
|
|
525
|
unlock($cplock);
|
|
526
|
}
|
|
527
|
|
|
528
|
?>
|