mirror of
https://github.com/lucaspalomodevelop/core.git
synced 2026-03-18 10:35:27 +00:00
269 lines
10 KiB
PHP
269 lines
10 KiB
PHP
<?php
|
|
|
|
/*
|
|
Copyrigth (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.
|
|
*/
|
|
|
|
require_once("config.inc");
|
|
require_once("auth.inc");
|
|
require_once("interfaces.inc");
|
|
require_once("captiveportal.inc");
|
|
require_once("util.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($cpcfg)) {
|
|
log_error("Submission to captiveportal with unkown parameter zone: " . htmlspecialchars($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'];
|
|
} elseif (preg_match("/redirurl=(.*)/", $orig_request, $matches)) {
|
|
$redirurl = urldecode($matches[1]);
|
|
} elseif ($_REQUEST['redirurl']) {
|
|
$redirurl = $_REQUEST['redirurl'];
|
|
}
|
|
|
|
$macfilter = !isset($cpcfg['nomacfilter']);
|
|
$passthrumac = isset($cpcfg['passthrumacadd']);
|
|
|
|
function ip_to_mac($addr)
|
|
{
|
|
$cmd = '/usr/sbin/arp -n ' . $addr;
|
|
$ret = false;
|
|
|
|
exec($cmd, $out, $ret);
|
|
if ($ret) {
|
|
log_error('The command `' . $cmd . '\' failed to execute');
|
|
} else {
|
|
$mac = explode(' ', $out[0]);
|
|
if (isset($mac[3])) {
|
|
$ret = $mac[3];
|
|
}
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/* find MAC address for client */
|
|
if ($macfilter || $passthrumac) {
|
|
$tmpres = ip_to_mac($clientip);
|
|
if (!$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 = $tmpres;
|
|
unset($tmpres);
|
|
}
|
|
|
|
/* find out if we need RADIUS + RADIUSMAC or not */
|
|
if (file_exists("/var/db/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($_POST['logout_id']);
|
|
|
|
} elseif ($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");
|
|
}
|
|
|
|
} elseif ($clientmac && $radmac_enable && portal_mac_radius($clientmac, $clientip, $radiusctx)) {
|
|
/* radius functions handle everything so we exit here since we're done */
|
|
|
|
} elseif (portal_consume_passthrough_credit($clientmac)) {
|
|
/* allow the client through if it had a pass-through credit for its MAC */
|
|
captiveportal_logportalauth("unauthenticated", $clientmac, $clientip, "ACCEPT");
|
|
portal_allow($clientip, $clientmac, "unauthenticated");
|
|
|
|
} elseif (isset($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 $timecredit min.");
|
|
portal_reply_page($redirurl, "redir", "Just redirect the user.");
|
|
} else {
|
|
portal_reply_page($redirurl, "error", $config['voucher'][$cpzone]['msgexpired'] ? $config['voucher'][$cpzone]['msgexpired']: $errormsg);
|
|
}
|
|
} elseif (-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'] : $errormsg);
|
|
}
|
|
|
|
} elseif ($_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 = $_POST['auth_pass'];
|
|
} elseif (!empty($_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'] : $errormsg);
|
|
} elseif ($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'] : $errormsg);
|
|
} else {
|
|
portal_reply_page($redirurl, "redir", "Just redirect the user.");
|
|
}
|
|
} else {
|
|
if (!empty($_POST['auth_user'])) {
|
|
$user = $_POST['auth_user'];
|
|
} elseif (!empty($_POST['auth_user2'])) {
|
|
$user = $_POST['auth_user2'];
|
|
} else {
|
|
$user = 'unknown';
|
|
}
|
|
captiveportal_logportalauth($user, $clientmac, $clientip, "ERROR");
|
|
portal_reply_page($redirurl, "error", $errormsg);
|
|
}
|
|
|
|
} elseif ($_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, $_POST['auth_user']);
|
|
portal_reply_page($redirurl, "redir", "Just redirect the user.");
|
|
} else {
|
|
captiveportal_logportalauth($_POST['auth_user'], $clientmac, $clientip, "FAILURE");
|
|
portal_reply_page($redirurl, "error", $errormsg);
|
|
}
|
|
} else {
|
|
portal_reply_page($redirurl, "error", $errormsg);
|
|
}
|
|
|
|
} elseif ($_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();
|