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5b237745
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Scott Ullrich
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<?php
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307cd525
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Bill Marquette
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/* $Id$ */
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5b237745
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Scott Ullrich
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/*
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captiveportal.inc
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7a4d9546
|
Scott Ullrich
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part of pfSense (http://www.pfSense.com)
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12ee8fe4
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Scott Ullrich
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7a4d9546
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Scott Ullrich
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Copyright (C) 2005 Scott Ullrich <sullrich@gmail.com>
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All rights reserved.
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originally part of m0n0wall (http://m0n0.ch/wall)
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9699028a
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Scott Ullrich
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Copyright (C) 2003-2005 Manuel Kasper <mk@neon1.net>.
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5b237745
|
Scott Ullrich
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All rights reserved.
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12ee8fe4
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Scott Ullrich
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5b237745
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Scott Ullrich
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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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12ee8fe4
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Scott Ullrich
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5b237745
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Scott Ullrich
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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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12ee8fe4
|
Scott Ullrich
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| 20 |
5b237745
|
Scott Ullrich
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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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| 23 |
12ee8fe4
|
Scott Ullrich
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| 24 |
5b237745
|
Scott Ullrich
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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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| 34 |
ca83c6ea
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Scott Ullrich
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| 35 |
9699028a
|
Scott Ullrich
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This version of captiveportal.inc has been modified by Rob Parker
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<rob.parker@keycom.co.uk> to include changes for per-user bandwidth management
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via returned RADIUS attributes. This page has been modified to delete any
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added rules which may have been created by other per-user code (index.php, etc).
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These changes are (c) 2004 Keycom PLC.
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*/
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12ee8fe4
|
Scott Ullrich
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| 42 |
5b237745
|
Scott Ullrich
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/* include all configuration functions */
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require_once("functions.inc");
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require_once("radius_accounting.inc") ;
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function captiveportal_configure() {
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global $config, $g;
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| 48 |
12ee8fe4
|
Scott Ullrich
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| 49 |
4dbc75b9
|
Scott Ullrich
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if (isset($config['captiveportal']['enable'])) {
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| 50 |
12ee8fe4
|
Scott Ullrich
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| 51 |
5c6d0f65
|
Colin Smith
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if($g['booting']) echo "Starting captive portal... ";
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12ee8fe4
|
Scott Ullrich
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5b237745
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Scott Ullrich
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/* kill any running mini_httpd */
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killbypid("{$g['varrun_path']}/mini_httpd.cp.pid");
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killbypid("{$g['varrun_path']}/mini_httpd.cps.pid");
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| 56 |
12ee8fe4
|
Scott Ullrich
|
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5b237745
|
Scott Ullrich
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/* kill any running minicron */
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killbypid("{$g['varrun_path']}/minicron.pid");
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12ee8fe4
|
Scott Ullrich
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5b237745
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Scott Ullrich
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/* stop accounting on all clients */
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captiveportal_radius_stop_all() ;
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/* remove old information */
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unlink_if_exists("{$g['vardb_path']}/captiveportal.nextrule");
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unlink_if_exists("{$g['vardb_path']}/captiveportal.db");
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unlink_if_exists("{$g['vardb_path']}/captiveportal_mac.db");
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unlink_if_exists("{$g['vardb_path']}/captiveportal_ip.db");
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unlink_if_exists("{$g['vardb_path']}/captiveportal_radius.db");
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12ee8fe4
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Scott Ullrich
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5b237745
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Scott Ullrich
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/* write portal page */
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if ($config['captiveportal']['page']['htmltext'])
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$htmltext = base64_decode($config['captiveportal']['page']['htmltext']);
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else {
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/* example/template page */
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$htmltext = <<<EOD
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<html>
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12ee8fe4
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Scott Ullrich
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<title>pfSense's captive portal</title>
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5b237745
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Scott Ullrich
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<head>
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12ee8fe4
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Scott Ullrich
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<STYLE type="text/css">
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.listhdrr {
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background-color: #BBBBBB;
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padding-right: 16px;
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padding-left: 6px;
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font-weight: bold;
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border-right: 1px solid #999999;
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border-bottom: 1px solid #999999;
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font-size: 11px;
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padding-top: 5px;
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padding-bottom: 5px;
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}
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</STYLE>
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5b237745
|
Scott Ullrich
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</head>
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12ee8fe4
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Scott Ullrich
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<body bgcolor="#990000">
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<center>
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<font color="white" face="arial" size="+1">Welcome to pfSense's captive portal!</font>
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<p>
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ff57566f
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Scott Ullrich
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<form method="post" action="\$PORTAL_ACTION\$">
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12ee8fe4
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Scott Ullrich
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<table border="0" cellpadding="6" cellspacing="0">
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<tr><td align="right" class="listhdrr"><font color="white">Username:</td><td class="listhdrr"><input name="auth_user" type="text"></td></tr>
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<tr><td align="right" class="listhdrr"><font color="white">Password:</td><td class="listhdrr"><input name="auth_pass" type="password"></td></tr>
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ff57566f
|
Scott Ullrich
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<input name="redirurl" type="hidden" value="\$PORTAL_REDIRURL\$">
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12ee8fe4
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Scott Ullrich
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</table>
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<p>
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<center><input name="accept" type="submit" value="Continue">
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5b237745
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Scott Ullrich
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</form>
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12ee8fe4
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Scott Ullrich
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</center>
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5b237745
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Scott Ullrich
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</body>
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</html>
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EOD;
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}
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$fd = @fopen("{$g['varetc_path']}/captiveportal.html", "w");
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if ($fd) {
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fwrite($fd, $htmltext);
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12ee8fe4
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Scott Ullrich
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fclose($fd);
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5b237745
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Scott Ullrich
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}
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12ee8fe4
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Scott Ullrich
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5b237745
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Scott Ullrich
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/* write error page */
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if ($config['captiveportal']['page']['errtext'])
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$errtext = base64_decode($config['captiveportal']['page']['errtext']);
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else {
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/* example page */
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$errtext = <<<EOD
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<html>
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<head>
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<title>Authentication error</title>
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</head>
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<body>
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<font color="#cc0000"><h2>Authentication error</h2></font>
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<b>
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Username and/or password invalid.
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<br><br>
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<a href="javascript:history.back()">Go back</a>
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</b>
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</body>
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</html>
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EOD;
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}
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$fd = @fopen("{$g['varetc_path']}/captiveportal-error.html", "w");
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if ($fd) {
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fwrite($fd, $errtext);
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12ee8fe4
|
Scott Ullrich
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fclose($fd);
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5b237745
|
Scott Ullrich
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}
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chdir($g['captiveportal_path']);
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| 150 |
12ee8fe4
|
Scott Ullrich
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| 151 |
5b237745
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Scott Ullrich
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/* start web server */
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mwexec("/usr/local/sbin/mini_httpd -a -M 0 -u root -maxproc 16" .
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" -p 8000 -i {$g['varrun_path']}/mini_httpd.cp.pid");
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| 154 |
12ee8fe4
|
Scott Ullrich
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| 155 |
4dbc75b9
|
Scott Ullrich
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$fd = fopen("/tmp/captiveportal.txt", "w");
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fwrite($fd, "/usr/local/sbin/mini_httpd -a -M 0 -u root -maxproc 16 -p 8000 -i {$g['varrun_path']}/mini_httpd.cp.pid");
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fclose($fd);
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| 159 |
5b237745
|
Scott Ullrich
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/* fire up another one for HTTPS if requested */
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if (isset($config['captiveportal']['httpslogin']) &&
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$config['captiveportal']['certificate'] && $config['captiveportal']['private-key']) {
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| 162 |
12ee8fe4
|
Scott Ullrich
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| 163 |
5b237745
|
Scott Ullrich
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$cert = base64_decode($config['captiveportal']['certificate']);
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$key = base64_decode($config['captiveportal']['private-key']);
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| 165 |
12ee8fe4
|
Scott Ullrich
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| 166 |
5b237745
|
Scott Ullrich
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$fd = fopen("{$g['varetc_path']}/cert-portal.pem", "w");
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if (!$fd) {
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printf("Error: cannot open cert-portal.pem in system_webgui_start().\n");
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return 1;
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}
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chmod("{$g['varetc_path']}/cert-portal.pem", 0600);
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fwrite($fd, $cert);
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fwrite($fd, "\n");
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fwrite($fd, $key);
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fclose($fd);
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12ee8fe4
|
Scott Ullrich
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5b237745
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Scott Ullrich
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mwexec("/usr/local/sbin/mini_httpd -S -a -M 0 -E {$g['varetc_path']}/cert-portal.pem" .
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" -u root -maxproc 16 -p 8001" .
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" -i {$g['varrun_path']}/mini_httpd.cps.pid");
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}
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| 181 |
12ee8fe4
|
Scott Ullrich
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| 182 |
5b237745
|
Scott Ullrich
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/* start pruning process (interval = 60 seconds) */
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| 183 |
4dbc75b9
|
Scott Ullrich
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//mwexec("/usr/local/bin/minicron 60 {$g['varrun_path']}/minicron.pid " .
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// "/etc/rc.prunecaptiveportal");
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| 185 |
12ee8fe4
|
Scott Ullrich
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| 186 |
5b237745
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Scott Ullrich
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/* generate passthru mac database */
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captiveportal_passthrumac_configure() ;
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| 188 |
e33269d8
|
Scott Ullrich
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/* create allowed ip database and insert pf tables to make it so */
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| 189 |
5b237745
|
Scott Ullrich
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captiveportal_allowedip_configure() ;
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| 190 |
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| 191 |
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/* generate radius server database */
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| 192 |
7faeda46
|
Scott Ullrich
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if($config['captiveportal']['radiusip'] && $config['captiveportal']['auth_method']=="radius") {
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| 193 |
5b237745
|
Scott Ullrich
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$radiusip = $config['captiveportal']['radiusip'] ;
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if($config['captiveportal']['radiusport'])
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$radiusport = $config['captiveportal']['radiusport'] ;
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else
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$radiusport = 1812;
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| 199 |
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| 200 |
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if($config['captiveportal']['radiusacctport'])
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| 201 |
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$radiusacctport = $config['captiveportal']['radiusacctport'] ;
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| 202 |
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else
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| 203 |
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$radiusacctport = 1813;
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| 204 |
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| 205 |
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$radiuskey = $config['captiveportal']['radiuskey'];
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| 206 |
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| 207 |
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$fd = @fopen("{$g['vardb_path']}/captiveportal_radius.db", "w");
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| 208 |
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if (!$fd) {
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| 209 |
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printf("Error: cannot open radius DB file in captiveportal_configure().\n");
|
| 210 |
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return 1;
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| 211 |
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} else {
|
| 212 |
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fwrite($fd,$radiusip . "," . $radiusport . "," . $radiusacctport . "," . $radiuskey) ;
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| 213 |
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}
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| 214 |
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fclose($fd) ;
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| 215 |
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}
|
| 216 |
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| 217 |
5c6d0f65
|
Colin Smith
|
if($g['booting']) print "done.\n";
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| 218 |
12ee8fe4
|
Scott Ullrich
|
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| 219 |
5b237745
|
Scott Ullrich
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} else {
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| 220 |
|
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killbypid("{$g['varrun_path']}/mini_httpd.cp.pid");
|
| 221 |
|
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killbypid("{$g['varrun_path']}/minicron.pid");
|
| 222 |
|
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captiveportal_radius_stop_all() ;
|
| 223 |
|
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}
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| 224 |
12ee8fe4
|
Scott Ullrich
|
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| 225 |
5b237745
|
Scott Ullrich
|
return 0;
|
| 226 |
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}
|
| 227 |
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| 228 |
|
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/* remove clients that have been around for longer than the specified amount of time */
|
| 229 |
e33269d8
|
Scott Ullrich
|
/* db file structure: timestamp,clientip,clientmac,username,sessionid */
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| 230 |
5b237745
|
Scott Ullrich
|
function captiveportal_prune_old() {
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| 231 |
12ee8fe4
|
Scott Ullrich
|
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| 232 |
5b237745
|
Scott Ullrich
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global $g, $config;
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| 233 |
12ee8fe4
|
Scott Ullrich
|
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| 234 |
5b237745
|
Scott Ullrich
|
/* check for expired entries */
|
| 235 |
|
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if ($config['captiveportal']['timeout'])
|
| 236 |
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$timeout = $config['captiveportal']['timeout'] * 60;
|
| 237 |
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else
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| 238 |
|
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$timeout = 0;
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| 239 |
12ee8fe4
|
Scott Ullrich
|
|
| 240 |
5b237745
|
Scott Ullrich
|
if ($config['captiveportal']['idletimeout'])
|
| 241 |
|
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$idletimeout = $config['captiveportal']['idletimeout'] * 60;
|
| 242 |
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else
|
| 243 |
|
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$idletimeout = 0;
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| 244 |
12ee8fe4
|
Scott Ullrich
|
|
| 245 |
5b237745
|
Scott Ullrich
|
if (!$timeout && !$idletimeout)
|
| 246 |
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return;
|
| 247 |
12ee8fe4
|
Scott Ullrich
|
|
| 248 |
5b237745
|
Scott Ullrich
|
captiveportal_lock();
|
| 249 |
12ee8fe4
|
Scott Ullrich
|
|
| 250 |
5b237745
|
Scott Ullrich
|
/* read database */
|
| 251 |
|
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$cpdb = captiveportal_read_db();
|
| 252 |
12ee8fe4
|
Scott Ullrich
|
|
| 253 |
5b237745
|
Scott Ullrich
|
$radiusservers = captiveportal_get_radius_servers();
|
| 254 |
12ee8fe4
|
Scott Ullrich
|
|
| 255 |
9420e0c4
|
Scott Ullrich
|
if($idletimeout <> 0) {
|
| 256 |
94f0b2b9
|
Scott Ullrich
|
/* launch expire table and remove entries older than $timeout */
|
| 257 |
9420e0c4
|
Scott Ullrich
|
mwexec("/usr/bin/nice -n20 /usr/local/sbin/expiretable -v -t {$idletimeout} captiveportal");
|
| 258 |
94f0b2b9
|
Scott Ullrich
|
}
|
| 259 |
c2e859c4
|
Scott Ullrich
|
|
| 260 |
ecfc831a
|
Scott Ullrich
|
$after_prune = `/sbin/pfctl -t captiveportal -T show`;
|
| 261 |
a4004399
|
Scott Ullrich
|
|
| 262 |
c2e859c4
|
Scott Ullrich
|
/*
|
| 263 |
2631018f
|
Bill Marquette
|
* loop back through and determine if expiretable removed a client.
|
| 264 |
2336008e
|
Bill Marquette
|
* if we detect a client removal then update the internal db accordingly
|
| 265 |
c2e859c4
|
Scott Ullrich
|
*/
|
| 266 |
5b237745
|
Scott Ullrich
|
for ($i = 0; $i < count($cpdb); $i++) {
|
| 267 |
12ee8fe4
|
Scott Ullrich
|
|
| 268 |
5b237745
|
Scott Ullrich
|
$timedout = false;
|
| 269 |
12ee8fe4
|
Scott Ullrich
|
|
| 270 |
0e7427da
|
Scott Ullrich
|
/* hard timeout? */
|
| 271 |
|
|
if ((time() - $cpdb[$i][0]) >= $timeout)
|
| 272 |
|
|
$timedout = true;
|
| 273 |
a4004399
|
Scott Ullrich
|
|
| 274 |
|
|
if(stristr($after_prune, $cpdb[$i][2]) == false)
|
| 275 |
c2e859c4
|
Scott Ullrich
|
$timedout= true;
|
| 276 |
12ee8fe4
|
Scott Ullrich
|
|
| 277 |
5b237745
|
Scott Ullrich
|
if ($timedout) {
|
| 278 |
e33269d8
|
Scott Ullrich
|
/* this client needs to be deleted - remove pf table item */
|
| 279 |
5b237745
|
Scott Ullrich
|
if (isset($config['captiveportal']['radacct_enable']) && isset($radiusservers[0])) {
|
| 280 |
|
|
RADIUS_ACCOUNTING_STOP($cpdb[$i][1], // ruleno
|
| 281 |
|
|
$cpdb[$i][4], // username
|
| 282 |
|
|
$cpdb[$i][5], // sessionid
|
| 283 |
|
|
$cpdb[$i][0], // start time
|
| 284 |
|
|
$radiusservers[0]['ipaddr'],
|
| 285 |
|
|
$radiusservers[0]['acctport'],
|
| 286 |
9699028a
|
Scott Ullrich
|
$radiusservers[0]['key'],
|
| 287 |
|
|
$cpdb[$i][2]); //clientip
|
| 288 |
|
|
syslog(LOG_INFO,"Authenticated user $cpdb[$i][4] timed out");
|
| 289 |
5b237745
|
Scott Ullrich
|
}
|
| 290 |
0e7427da
|
Scott Ullrich
|
|
| 291 |
5b237745
|
Scott Ullrich
|
unset($cpdb[$i]);
|
| 292 |
|
|
}
|
| 293 |
|
|
}
|
| 294 |
12ee8fe4
|
Scott Ullrich
|
|
| 295 |
5b237745
|
Scott Ullrich
|
/* write database */
|
| 296 |
|
|
captiveportal_write_db($cpdb);
|
| 297 |
12ee8fe4
|
Scott Ullrich
|
|
| 298 |
5b237745
|
Scott Ullrich
|
captiveportal_unlock();
|
| 299 |
|
|
}
|
| 300 |
|
|
|
| 301 |
e33269d8
|
Scott Ullrich
|
/* remove a single client */
|
| 302 |
5b237745
|
Scott Ullrich
|
function captiveportal_disconnect_client($id) {
|
| 303 |
12ee8fe4
|
Scott Ullrich
|
|
| 304 |
5b237745
|
Scott Ullrich
|
global $g, $config;
|
| 305 |
12ee8fe4
|
Scott Ullrich
|
|
| 306 |
5b237745
|
Scott Ullrich
|
captiveportal_lock();
|
| 307 |
12ee8fe4
|
Scott Ullrich
|
|
| 308 |
5b237745
|
Scott Ullrich
|
/* read database */
|
| 309 |
|
|
$cpdb = captiveportal_read_db();
|
| 310 |
|
|
$radiusservers = captiveportal_get_radius_servers();
|
| 311 |
12ee8fe4
|
Scott Ullrich
|
|
| 312 |
|
|
/* find entry */
|
| 313 |
5b237745
|
Scott Ullrich
|
for ($i = 0; $i < count($cpdb); $i++) {
|
| 314 |
|
|
if ($cpdb[$i][1] == $id) {
|
| 315 |
e33269d8
|
Scott Ullrich
|
/* this client needs to be deleted - remove pf table item */
|
| 316 |
5b237745
|
Scott Ullrich
|
if (isset($config['captiveportal']['radacct_enable']) && isset($radiusservers[0])) {
|
| 317 |
|
|
RADIUS_ACCOUNTING_STOP($cpdb[$i][1], // ruleno
|
| 318 |
|
|
$cpdb[$i][4], // username
|
| 319 |
|
|
$cpdb[$i][5], // sessionid
|
| 320 |
|
|
$cpdb[$i][0], // start time
|
| 321 |
|
|
$radiusservers[0]['ipaddr'],
|
| 322 |
|
|
$radiusservers[0]['acctport'],
|
| 323 |
9699028a
|
Scott Ullrich
|
$radiusservers[0]['key'],
|
| 324 |
|
|
$cpdb[$i][2]); //clientip
|
| 325 |
|
|
syslog(LOG_INFO,"Authenticated user $cpdb[$i][4] disconnected");
|
| 326 |
5b237745
|
Scott Ullrich
|
}
|
| 327 |
e33269d8
|
Scott Ullrich
|
|
| 328 |
f666442a
|
Scott Ullrich
|
mwexec("/sbin/pfctl -t captiveportal -T delete {$cpdb[$i][2]}");
|
| 329 |
00b20405
|
Scott Ullrich
|
|
| 330 |
5b237745
|
Scott Ullrich
|
unset($cpdb[$i]);
|
| 331 |
e33269d8
|
Scott Ullrich
|
|
| 332 |
5b237745
|
Scott Ullrich
|
break;
|
| 333 |
|
|
}
|
| 334 |
|
|
}
|
| 335 |
12ee8fe4
|
Scott Ullrich
|
|
| 336 |
00b20405
|
Scott Ullrich
|
|
| 337 |
5b237745
|
Scott Ullrich
|
/* write database */
|
| 338 |
|
|
captiveportal_write_db($cpdb);
|
| 339 |
12ee8fe4
|
Scott Ullrich
|
|
| 340 |
5b237745
|
Scott Ullrich
|
captiveportal_unlock();
|
| 341 |
|
|
}
|
| 342 |
|
|
|
| 343 |
|
|
/* send RADIUS acct stop for all current clients */
|
| 344 |
|
|
function captiveportal_radius_stop_all() {
|
| 345 |
|
|
global $g, $config;
|
| 346 |
|
|
|
| 347 |
|
|
captiveportal_lock() ;
|
| 348 |
|
|
$cpdb = captiveportal_read_db() ;
|
| 349 |
12ee8fe4
|
Scott Ullrich
|
|
| 350 |
5b237745
|
Scott Ullrich
|
$radiusservers = captiveportal_get_radius_servers();
|
| 351 |
12ee8fe4
|
Scott Ullrich
|
|
| 352 |
5b237745
|
Scott Ullrich
|
if (isset($radiusservers[0])) {
|
| 353 |
|
|
for ($i = 0; $i < count($cpdb); $i++) {
|
| 354 |
|
|
RADIUS_ACCOUNTING_STOP($cpdb[$i][1], // ruleno
|
| 355 |
|
|
$cpdb[$i][4], // username
|
| 356 |
|
|
$cpdb[$i][5], // sessionid
|
| 357 |
|
|
$cpdb[$i][0], // start time
|
| 358 |
|
|
$radiusservers[0]['ipaddr'],
|
| 359 |
|
|
$radiusservers[0]['acctport'],
|
| 360 |
9699028a
|
Scott Ullrich
|
$radiusservers[0]['key'],
|
| 361 |
|
|
$cpdb[$i][2]); //clientip
|
| 362 |
5b237745
|
Scott Ullrich
|
}
|
| 363 |
|
|
}
|
| 364 |
|
|
captiveportal_unlock() ;
|
| 365 |
|
|
}
|
| 366 |
|
|
|
| 367 |
|
|
function captiveportal_passthrumac_configure() {
|
| 368 |
|
|
global $config, $g;
|
| 369 |
12ee8fe4
|
Scott Ullrich
|
|
| 370 |
5b237745
|
Scott Ullrich
|
/* clear out passthru macs, if necessary */
|
| 371 |
|
|
if (file_exists("{$g['vardb_path']}/captiveportal_mac.db")) {
|
| 372 |
|
|
unlink("{$g['vardb_path']}/captiveportal_mac.db");
|
| 373 |
|
|
}
|
| 374 |
12ee8fe4
|
Scott Ullrich
|
|
| 375 |
5b237745
|
Scott Ullrich
|
if (is_array($config['captiveportal']['passthrumac'])) {
|
| 376 |
12ee8fe4
|
Scott Ullrich
|
|
| 377 |
5b237745
|
Scott Ullrich
|
$fd = @fopen("{$g['vardb_path']}/captiveportal_mac.db", "w");
|
| 378 |
|
|
if (!$fd) {
|
| 379 |
|
|
printf("Error: cannot open passthru mac DB file in captiveportal_passthrumac_configure().\n");
|
| 380 |
12ee8fe4
|
Scott Ullrich
|
return 1;
|
| 381 |
5b237745
|
Scott Ullrich
|
}
|
| 382 |
12ee8fe4
|
Scott Ullrich
|
|
| 383 |
5b237745
|
Scott Ullrich
|
foreach ($config['captiveportal']['passthrumac'] as $macent) {
|
| 384 |
|
|
/* record passthru mac so it can be recognized and let thru */
|
| 385 |
|
|
fwrite($fd, $macent['mac'] . "\n");
|
| 386 |
|
|
}
|
| 387 |
12ee8fe4
|
Scott Ullrich
|
|
| 388 |
|
|
fclose($fd);
|
| 389 |
5b237745
|
Scott Ullrich
|
}
|
| 390 |
12ee8fe4
|
Scott Ullrich
|
|
| 391 |
5b237745
|
Scott Ullrich
|
return 0;
|
| 392 |
|
|
}
|
| 393 |
|
|
|
| 394 |
|
|
function captiveportal_allowedip_configure() {
|
| 395 |
|
|
global $config, $g;
|
| 396 |
12ee8fe4
|
Scott Ullrich
|
|
| 397 |
5b237745
|
Scott Ullrich
|
captiveportal_lock() ;
|
| 398 |
|
|
|
| 399 |
|
|
/* clear out existing allowed ips, if necessary */
|
| 400 |
|
|
if (file_exists("{$g['vardb_path']}/captiveportal_ip.db")) {
|
| 401 |
|
|
$fd = @fopen("{$g['vardb_path']}/captiveportal_ip.db", "r");
|
| 402 |
|
|
if ($fd) {
|
| 403 |
|
|
while (!feof($fd)) {
|
| 404 |
|
|
$line = trim(fgets($fd));
|
| 405 |
|
|
if($line) {
|
| 406 |
|
|
list($ip,$rule) = explode(",",$line);
|
| 407 |
e33269d8
|
Scott Ullrich
|
mwexec("/sbin/pfctl -t captiveportal -T delete {$ip}");
|
| 408 |
12ee8fe4
|
Scott Ullrich
|
}
|
| 409 |
5b237745
|
Scott Ullrich
|
}
|
| 410 |
|
|
}
|
| 411 |
|
|
fclose($fd) ;
|
| 412 |
|
|
unlink("{$g['vardb_path']}/captiveportal_ip.db");
|
| 413 |
|
|
}
|
| 414 |
|
|
|
| 415 |
|
|
if (is_array($config['captiveportal']['allowedip'])) {
|
| 416 |
12ee8fe4
|
Scott Ullrich
|
|
| 417 |
5b237745
|
Scott Ullrich
|
$fd = @fopen("{$g['vardb_path']}/captiveportal_ip.db", "w");
|
| 418 |
|
|
if (!$fd) {
|
| 419 |
|
|
printf("Error: cannot open allowed ip DB file in captiveportal_allowedip_configure().\n");
|
| 420 |
|
|
captiveportal_unlock() ;
|
| 421 |
12ee8fe4
|
Scott Ullrich
|
return 1;
|
| 422 |
5b237745
|
Scott Ullrich
|
}
|
| 423 |
12ee8fe4
|
Scott Ullrich
|
|
| 424 |
5b237745
|
Scott Ullrich
|
foreach ($config['captiveportal']['allowedip'] as $ipent) {
|
| 425 |
|
|
/* record allowed ip so it can be recognized and removed later */
|
| 426 |
427d205b
|
Scott Ullrich
|
fwrite($fd, $ipent['ip'] . "," . $ipent['ip'] ."\n");
|
| 427 |
09086136
|
Scott Ullrich
|
/* insert pf table item to allow traffic */
|
| 428 |
|
|
mwexec("echo \"pfctl -t captiveportal -T add {$ipent['ip']} \"> /tmp/tmp");
|
| 429 |
|
|
mwexec("/sbin/pfctl -t captiveportal -T add {$ipent['ip']}");
|
| 430 |
e33269d8
|
Scott Ullrich
|
|
| 431 |
|
|
$ruleno = $ip;
|
| 432 |
5b237745
|
Scott Ullrich
|
}
|
| 433 |
12ee8fe4
|
Scott Ullrich
|
|
| 434 |
|
|
fclose($fd);
|
| 435 |
5b237745
|
Scott Ullrich
|
|
| 436 |
|
|
/* write next rule number */
|
| 437 |
|
|
$fd = @fopen("{$g['vardb_path']}/captiveportal.nextrule", "w");
|
| 438 |
|
|
if ($fd) {
|
| 439 |
|
|
fwrite($fd, $ruleno);
|
| 440 |
|
|
fclose($fd);
|
| 441 |
|
|
}
|
| 442 |
|
|
}
|
| 443 |
12ee8fe4
|
Scott Ullrich
|
|
| 444 |
5b237745
|
Scott Ullrich
|
captiveportal_unlock() ;
|
| 445 |
|
|
return 0;
|
| 446 |
|
|
}
|
| 447 |
|
|
|
| 448 |
e33269d8
|
Scott Ullrich
|
/* get last activity timestamp given pf table item */
|
| 449 |
6f9f079e
|
Scott Ullrich
|
function captiveportal_get_last_activity($ip) {
|
| 450 |
12ee8fe4
|
Scott Ullrich
|
|
| 451 |
47ab6687
|
Scott Ullrich
|
$info = `/usr/sbin/arp -an | /usr/bin/grep $ip`;
|
| 452 |
12ee8fe4
|
Scott Ullrich
|
|
| 453 |
6f9f079e
|
Scott Ullrich
|
if($info <> "") return 1;
|
| 454 |
12ee8fe4
|
Scott Ullrich
|
|
| 455 |
5b237745
|
Scott Ullrich
|
return 0;
|
| 456 |
|
|
}
|
| 457 |
|
|
|
| 458 |
|
|
/* read captive portal DB into array */
|
| 459 |
|
|
function captiveportal_read_db() {
|
| 460 |
12ee8fe4
|
Scott Ullrich
|
|
| 461 |
5b237745
|
Scott Ullrich
|
global $g;
|
| 462 |
12ee8fe4
|
Scott Ullrich
|
|
| 463 |
5b237745
|
Scott Ullrich
|
$cpdb = array();
|
| 464 |
|
|
$fd = @fopen("{$g['vardb_path']}/captiveportal.db", "r");
|
| 465 |
|
|
if ($fd) {
|
| 466 |
|
|
while (!feof($fd)) {
|
| 467 |
|
|
$line = trim(fgets($fd));
|
| 468 |
|
|
if ($line) {
|
| 469 |
|
|
$cpdb[] = explode(",", $line);
|
| 470 |
12ee8fe4
|
Scott Ullrich
|
}
|
| 471 |
5b237745
|
Scott Ullrich
|
}
|
| 472 |
|
|
fclose($fd);
|
| 473 |
|
|
}
|
| 474 |
|
|
return $cpdb;
|
| 475 |
|
|
}
|
| 476 |
|
|
|
| 477 |
|
|
/* write captive portal DB */
|
| 478 |
|
|
function captiveportal_write_db($cpdb) {
|
| 479 |
12ee8fe4
|
Scott Ullrich
|
|
| 480 |
5b237745
|
Scott Ullrich
|
global $g;
|
| 481 |
12ee8fe4
|
Scott Ullrich
|
|
| 482 |
5b237745
|
Scott Ullrich
|
$fd = @fopen("{$g['vardb_path']}/captiveportal.db", "w");
|
| 483 |
|
|
if ($fd) {
|
| 484 |
|
|
foreach ($cpdb as $cpent) {
|
| 485 |
|
|
fwrite($fd, join(",", $cpent) . "\n");
|
| 486 |
|
|
}
|
| 487 |
|
|
fclose($fd);
|
| 488 |
|
|
}
|
| 489 |
|
|
}
|
| 490 |
|
|
|
| 491 |
|
|
/* read RADIUS servers into array */
|
| 492 |
|
|
function captiveportal_get_radius_servers() {
|
| 493 |
12ee8fe4
|
Scott Ullrich
|
|
| 494 |
5b237745
|
Scott Ullrich
|
global $g;
|
| 495 |
12ee8fe4
|
Scott Ullrich
|
|
| 496 |
5b237745
|
Scott Ullrich
|
if (file_exists("{$g['vardb_path']}/captiveportal_radius.db")) {
|
| 497 |
|
|
$fd = @fopen("{$g['vardb_path']}/captiveportal_radius.db","r");
|
| 498 |
|
|
if ($fd) {
|
| 499 |
|
|
$radiusservers = array();
|
| 500 |
|
|
while (!feof($fd)) {
|
| 501 |
|
|
$line = trim(fgets($fd));
|
| 502 |
|
|
if ($line) {
|
| 503 |
|
|
$radsrv = array();
|
| 504 |
|
|
list($radsrv['ipaddr'],$radsrv['port'],$radsrv['acctport'],$radsrv['key']) = explode(",",$line);
|
| 505 |
|
|
$radiusservers[] = $radsrv;
|
| 506 |
|
|
}
|
| 507 |
|
|
}
|
| 508 |
|
|
fclose($fd);
|
| 509 |
12ee8fe4
|
Scott Ullrich
|
|
| 510 |
5b237745
|
Scott Ullrich
|
return $radiusservers;
|
| 511 |
|
|
}
|
| 512 |
|
|
}
|
| 513 |
12ee8fe4
|
Scott Ullrich
|
|
| 514 |
5b237745
|
Scott Ullrich
|
return false;
|
| 515 |
|
|
}
|
| 516 |
|
|
|
| 517 |
|
|
/* lock captive portal information, decide that the lock file is stale after
|
| 518 |
|
|
10 seconds */
|
| 519 |
|
|
function captiveportal_lock() {
|
| 520 |
12ee8fe4
|
Scott Ullrich
|
|
| 521 |
5b237745
|
Scott Ullrich
|
global $g;
|
| 522 |
12ee8fe4
|
Scott Ullrich
|
|
| 523 |
5b237745
|
Scott Ullrich
|
$lockfile = "{$g['varrun_path']}/captiveportal.lock";
|
| 524 |
12ee8fe4
|
Scott Ullrich
|
|
| 525 |
5b237745
|
Scott Ullrich
|
$n = 0;
|
| 526 |
|
|
while ($n < 10) {
|
| 527 |
|
|
/* open the lock file in append mode to avoid race condition */
|
| 528 |
|
|
if ($fd = @fopen($lockfile, "x")) {
|
| 529 |
|
|
/* succeeded */
|
| 530 |
|
|
fclose($fd);
|
| 531 |
|
|
return;
|
| 532 |
|
|
} else {
|
| 533 |
|
|
/* file locked, wait and try again */
|
| 534 |
|
|
sleep(1);
|
| 535 |
|
|
$n++;
|
| 536 |
|
|
}
|
| 537 |
|
|
}
|
| 538 |
|
|
}
|
| 539 |
|
|
|
| 540 |
|
|
/* unlock configuration file */
|
| 541 |
|
|
function captiveportal_unlock() {
|
| 542 |
12ee8fe4
|
Scott Ullrich
|
|
| 543 |
5b237745
|
Scott Ullrich
|
global $g;
|
| 544 |
12ee8fe4
|
Scott Ullrich
|
|
| 545 |
5b237745
|
Scott Ullrich
|
$lockfile = "{$g['varrun_path']}/captiveportal.lock";
|
| 546 |
12ee8fe4
|
Scott Ullrich
|
|
| 547 |
5b237745
|
Scott Ullrich
|
if (file_exists($lockfile))
|
| 548 |
|
|
unlink($lockfile);
|
| 549 |
|
|
}
|
| 550 |
|
|
|
| 551 |
2631018f
|
Bill Marquette
|
?>
|