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5b237745
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Scott Ullrich
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<?php
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/*
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captiveportal.inc
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3db19cf1
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Scott Ullrich
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part of m0n0wall (http://m0n0.ch/wall)
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36254e4a
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Scott Ullrich
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0bd34ed6
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Scott Ullrich
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Copyright (C) 2003-2006 Manuel Kasper <mk@neon1.net>.
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5b237745
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Scott Ullrich
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All rights reserved.
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36254e4a
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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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36254e4a
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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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36254e4a
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Scott Ullrich
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5b237745
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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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36254e4a
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Scott Ullrich
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5b237745
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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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ca83c6ea
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Scott Ullrich
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9699028a
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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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Scott Ullrich
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5b237745
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Scott Ullrich
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/* include all configuration functions */
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require_once("functions.inc");
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3db19cf1
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Scott Ullrich
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require_once("radius_authentication.inc");
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0bd34ed6
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Scott Ullrich
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require_once("radius_accounting.inc");
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require_once("radius.inc");
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0bd34ed6
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Scott Ullrich
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$lockfile = "{$g['varrun_path']}/captiveportal.lock";
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5b237745
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Scott Ullrich
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function captiveportal_configure() {
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global $config, $g;
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3db19cf1
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if (isset($config['captiveportal']['enable']) &&
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(($config['captiveportal']['interface'] == "lan") ||
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isset($config['interfaces'][$config['captiveportal']['interface']]['enable']))) {
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36254e4a
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if ($g['booting'])
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echo "Starting captive portal... ";
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Scott Ullrich
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5b237745
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/* kill any running mini_httpd */
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killbypid("{$g['varrun_path']}/lighty-CaptivePortal.pid");
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killbypid("{$g['varrun_path']}/lighty-CaptivePortal-SSL.pid");
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/* kill any running minicron */
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killbypid("{$g['varrun_path']}/minicron.pid");
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36254e4a
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/* generate ipfw rules */
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$cprules = captiveportal_rules_generate();
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/* make sure ipfw is loaded */
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mwexec("/sbin/kldload ipfw");
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36254e4a
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/* stop accounting on all clients */
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captiveportal_radius_stop_all();
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/* initialize minicron interval value */
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$croninterval = $config['captiveportal']['croninterval'] ? $config['captiveportal']['croninterval'] : 60;
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/* double check if the $croninterval is numeric and at least 10 seconds. If not we set it to 60 to avoid problems */
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if ((!is_numeric($croninterval)) || ($croninterval < 10)) { $croninterval = 60; }
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/* remove old information */
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unlink_if_exists("{$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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/* 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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<head>
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61b040ce
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<title>pfSense captive portal</title>
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</head>
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<body>
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a515d275
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<center>
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<h2>pfSense captive portal</h2>
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Welcome to the pfSense Captive Portal! This is the default page since a custom page has not been defined.
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<p>
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<form method="post" action="\$PORTAL_ACTION\$">
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<input name="redirurl" type="hidden" value="\$PORTAL_REDIRURL\$">
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<table>
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<tr><td>Username:</td><td><input name="auth_user" type="text"></td></tr>
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<tr><td>Password:</td><td><input name="auth_pass" type="password"></td></tr>
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<tr><td> </td></tr>
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<tr>
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<td colspan="2">
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<center><input name="accept" type="submit" value="Continue"></center>
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</td>
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</tr>
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</table>
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</center>
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407a29ca
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</form>
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</body>
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</html>
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Scott Ullrich
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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, $htmltext);
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fclose($fd);
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}
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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, $errtext);
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fclose($fd);
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}
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/* write elements */
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captiveportal_write_elements();
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/* load rules */
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mwexec("/sbin/ipfw -f delete set 1");
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mwexec("/sbin/ipfw -f delete set 2");
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mwexec("/sbin/ipfw -f delete set 3");
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/* ipfw cannot accept rules directly on stdin,
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so we have to write them to a temporary file first */
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$fd = @fopen("{$g['tmp_path']}/ipfw.cp.rules", "w");
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if (!$fd) {
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printf("Cannot open ipfw.cp.rules in captiveportal_configure()\n");
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return 1;
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}
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fwrite($fd, $cprules);
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fclose($fd);
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mwexec("/sbin/ipfw {$g['tmp_path']}/ipfw.cp.rules");
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unlink("{$g['tmp_path']}/ipfw.cp.rules");
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/* filter on layer2 as well so we can check MAC addresses */
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mwexec("/sbin/sysctl net.link.ether.ipfw=1");
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chdir($g['captiveportal_path']);
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/* TEMPORARY! FAST_CGI reports _FALSE_ client ip
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* addresses.
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*/
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$use_fastcgi = false;
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9b5a1292
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Scott Ullrich
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| 189 |
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if ($config['captiveportal']['maxproc'])
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$maxproc = $config['captiveportal']['maxproc'];
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else
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$maxproc = 16;
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| 193 |
36254e4a
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Scott Ullrich
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if(isset($config['captiveportal']['httpslogin'])) {
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$cert = base64_decode($config['captiveportal']['certificate']);
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$key = base64_decode($config['captiveportal']['private-key']);
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63fff79b
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Scott Ullrich
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/* generate lighttpd configuration */
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| 198 |
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system_generate_lighty_config("{$g['varetc_path']}/lighty-CaptivePortal-SSL.conf",
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$cert, $key, "lighty-CaptivePortal-ssl.pid", "8001", "/usr/local/captiveportal/",
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"cert-portal.pem", "1", $maxproc, $use_fastcgi, true);
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}
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| 203 |
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/* generate lighttpd configuration */
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| 204 |
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system_generate_lighty_config("{$g['varetc_path']}/lighty-CaptivePortal.conf",
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| 205 |
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"", "", "lighty-CaptivePortal.pid", "8000", "/usr/local/captiveportal/",
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| 206 |
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Scott Ullrich
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"cert-portal.pem", "1", $maxproc, $use_fastcgi, true);
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| 207 |
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| 208 |
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/* attempt to start lighttpd */
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| 209 |
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$res = mwexec("/usr/local/sbin/lighttpd -f {$g['varetc_path']}/lighty-CaptivePortal.conf");
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| 210 |
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Scott Ullrich
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| 211 |
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/* fire up https instance */
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| 212 |
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if(isset($config['captiveportal']['httpslogin']))
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| 213 |
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$res = mwexec("/usr/local/sbin/lighttpd -f {$g['varetc_path']}/lighty-CaptivePortal-SSL.conf");
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| 214 |
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| 215 |
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/* start pruning process (interval defaults to 60 seconds) */
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| 216 |
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mwexec("/usr/local/bin/minicron $croninterval {$g['varrun_path']}/minicron.pid " .
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| 217 |
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Scott Ullrich
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"/etc/rc.prunecaptiveportal");
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| 218 |
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| 219 |
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/* generate passthru mac database */
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| 220 |
3db19cf1
|
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captiveportal_passthrumac_configure();
|
| 221 |
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/* create allowed ip database and insert ipfw rules to make it so */
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| 222 |
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captiveportal_allowedip_configure();
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| 223 |
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| 224 |
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/* generate radius server database */
|
| 225 |
|
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if ($config['captiveportal']['radiusip'] && (!isset($config['captiveportal']['auth_method']) ||
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| 226 |
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($config['captiveportal']['auth_method'] == "radius"))) {
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| 227 |
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$radiusip = $config['captiveportal']['radiusip'];
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| 228 |
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$radiusip2 = ($config['captiveportal']['radiusip2']) ? $config['captiveportal']['radiusip2'] : null;
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| 229 |
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| 230 |
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if ($config['captiveportal']['radiusport'])
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| 231 |
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$radiusport = $config['captiveportal']['radiusport'];
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| 232 |
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else
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| 233 |
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$radiusport = 1812;
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| 234 |
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| 235 |
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if ($config['captiveportal']['radiusacctport'])
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| 236 |
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$radiusacctport = $config['captiveportal']['radiusacctport'];
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| 237 |
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else
|
| 238 |
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$radiusacctport = 1813;
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| 239 |
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| 240 |
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if ($config['captiveportal']['radiusport2'])
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| 241 |
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$radiusport2 = $config['captiveportal']['radiusport2'];
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| 242 |
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else
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| 243 |
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$radiusport2 = 1812;
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| 244 |
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| 245 |
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$radiuskey = $config['captiveportal']['radiuskey'];
|
| 246 |
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$radiuskey2 = ($config['captiveportal']['radiuskey2']) ? $config['captiveportal']['radiuskey2'] : null;
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| 247 |
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| 248 |
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$fd = @fopen("{$g['vardb_path']}/captiveportal_radius.db", "w");
|
| 249 |
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if (!$fd) {
|
| 250 |
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printf("Error: cannot open radius DB file in captiveportal_configure().\n");
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| 251 |
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return 1;
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| 252 |
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} else if (isset($radiusip2, $radiuskey2)) {
|
| 253 |
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fwrite($fd,$radiusip . "," . $radiusport . "," . $radiusacctport . "," . $radiuskey . "\n"
|
| 254 |
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. $radiusip2 . "," . $radiusport2 . "," . $radiusacctport . "," . $radiuskey2);
|
| 255 |
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} else {
|
| 256 |
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fwrite($fd,$radiusip . "," . $radiusport . "," . $radiusacctport . "," . $radiuskey);
|
| 257 |
|
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}
|
| 258 |
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fclose($fd);
|
| 259 |
|
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}
|
| 260 |
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|
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| 261 |
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|
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|
if ($g['booting'])
|
| 262 |
|
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echo "done\n";
|
| 263 |
36254e4a
|
Scott Ullrich
|
|
| 264 |
5b237745
|
Scott Ullrich
|
} else {
|
| 265 |
23a0c341
|
Scott Ullrich
|
killbypid("{$g['varrun_path']}/lighty-CaptivePortal.pid");
|
| 266 |
c6c92abf
|
Scott Ullrich
|
killbypid("{$g['varrun_path']}/minicron.pid");
|
| 267 |
12ee8fe4
|
Scott Ullrich
|
|
| 268 |
3db19cf1
|
Scott Ullrich
|
captiveportal_radius_stop_all();
|
| 269 |
|
|
|
| 270 |
|
|
mwexec("/sbin/sysctl net.link.ether.ipfw=0");
|
| 271 |
|
|
|
| 272 |
|
|
if (!isset($config['shaper']['enable'])) {
|
| 273 |
|
|
/* unload ipfw */
|
| 274 |
|
|
mwexec("/sbin/kldunload ipfw");
|
| 275 |
|
|
} else {
|
| 276 |
|
|
/* shaper is on - just remove our rules */
|
| 277 |
|
|
mwexec("/sbin/ipfw -f delete set 1");
|
| 278 |
|
|
mwexec("/sbin/ipfw -f delete set 2");
|
| 279 |
|
|
mwexec("/sbin/ipfw -f delete set 3");
|
| 280 |
|
|
}
|
| 281 |
|
|
}
|
| 282 |
36254e4a
|
Scott Ullrich
|
|
| 283 |
5b237745
|
Scott Ullrich
|
return 0;
|
| 284 |
|
|
}
|
| 285 |
|
|
|
| 286 |
3db19cf1
|
Scott Ullrich
|
function captiveportal_rules_generate() {
|
| 287 |
|
|
global $config, $g;
|
| 288 |
36254e4a
|
Scott Ullrich
|
|
| 289 |
3db19cf1
|
Scott Ullrich
|
$cpifn = $config['captiveportal']['interface'];
|
| 290 |
|
|
$cpif = $config['interfaces'][$cpifn]['if'];
|
| 291 |
|
|
$cpip = $config['interfaces'][$cpifn]['ipaddr'];
|
| 292 |
|
|
|
| 293 |
|
|
/* note: the captive portal daemon inserts all pass rules for authenticated
|
| 294 |
|
|
clients as skipto 50000 rules to make traffic shaping work */
|
| 295 |
|
|
|
| 296 |
|
|
$cprules = "";
|
| 297 |
181a843c
|
Scott Ullrich
|
|
| 298 |
|
|
/* allow nat redirects to work see
|
| 299 |
|
|
http://cvstrac.pfsense.com/tktview?tn=651
|
| 300 |
|
|
*/
|
| 301 |
|
|
$iflist = array("lan" => "LAN", "wan" => "WAN");
|
| 302 |
c54d236c
|
Scott Ullrich
|
$captive_portal_interface = strtoupper($cpifn);
|
| 303 |
36254e4a
|
Scott Ullrich
|
for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++)
|
| 304 |
|
|
$iflist['opt' . $i] = "OPT{$i}";
|
| 305 |
181a843c
|
Scott Ullrich
|
foreach ($iflist as $ifent => $ifname) {
|
| 306 |
d66bb68a
|
Scott Ullrich
|
if($captive_portal_interface == strtoupper($ifname))
|
| 307 |
181a843c
|
Scott Ullrich
|
continue;
|
| 308 |
|
|
$int = convert_friendly_interface_to_real_interface_name($ifname);
|
| 309 |
657f3f15
|
Scott Ullrich
|
$cprules .= "add 30 set 1 skipto 50000 all from any to any in via {$int} keep-state\n";
|
| 310 |
181a843c
|
Scott Ullrich
|
}
|
| 311 |
36254e4a
|
Scott Ullrich
|
|
| 312 |
3db19cf1
|
Scott Ullrich
|
/* captive portal on LAN interface? */
|
| 313 |
|
|
if ($cpifn == "lan") {
|
| 314 |
|
|
/* add anti-lockout rules */
|
| 315 |
|
|
$cprules .= <<<EOD
|
| 316 |
0bd34ed6
|
Scott Ullrich
|
add 500 set 1 pass all from $cpip to any out via $cpif
|
| 317 |
3db19cf1
|
Scott Ullrich
|
add 501 set 1 pass all from any to $cpip in via $cpif
|
| 318 |
|
|
|
| 319 |
|
|
EOD;
|
| 320 |
|
|
}
|
| 321 |
|
|
|
| 322 |
|
|
$cprules .= <<<EOD
|
| 323 |
|
|
# skip to traffic shaper if not on captive portal interface
|
| 324 |
|
|
add 1000 set 1 skipto 50000 all from any to any not layer2 not via $cpif
|
| 325 |
|
|
# pass all layer2 traffic on other interfaces
|
| 326 |
|
|
add 1001 set 1 pass layer2 not via $cpif
|
| 327 |
|
|
|
| 328 |
|
|
# layer 2: pass ARP
|
| 329 |
|
|
add 1100 set 1 pass layer2 mac-type arp
|
| 330 |
b9d1d810
|
Scott Ullrich
|
# pfsense requires for WPA
|
| 331 |
|
|
add 1100 set 1 pass layer2 mac-type 0x888e
|
| 332 |
684c787e
|
Scott Ullrich
|
|
| 333 |
36254e4a
|
Scott Ullrich
|
# PPP Over Ethernet Discovery Stage
|
| 334 |
684c787e
|
Scott Ullrich
|
add 1100 set 1 pass layer2 mac-type 0x8863
|
| 335 |
|
|
# PPP Over Ethernet Session Stage
|
| 336 |
|
|
add 1100 set 1 pass layer2 mac-type 0x8864
|
| 337 |
|
|
|
| 338 |
3db19cf1
|
Scott Ullrich
|
# layer 2: block anything else non-IP
|
| 339 |
|
|
add 1101 set 1 deny layer2 not mac-type ip
|
| 340 |
|
|
# layer 2: check if MAC addresses of authenticated clients are correct
|
| 341 |
|
|
add 1102 set 1 skipto 20000 layer2
|
| 342 |
|
|
|
| 343 |
|
|
# allow access to our DHCP server (which needs to be able to ping clients as well)
|
| 344 |
|
|
add 1200 set 1 pass udp from any 68 to 255.255.255.255 67 in
|
| 345 |
|
|
add 1201 set 1 pass udp from any 68 to $cpip 67 in
|
| 346 |
|
|
add 1202 set 1 pass udp from $cpip 67 to any 68 out
|
| 347 |
|
|
add 1203 set 1 pass icmp from $cpip to any out icmptype 8
|
| 348 |
|
|
add 1204 set 1 pass icmp from any to $cpip in icmptype 0
|
| 349 |
|
|
|
| 350 |
|
|
# allow access to our DNS forwarder
|
| 351 |
|
|
add 1300 set 1 pass udp from any to $cpip 53 in
|
| 352 |
|
|
add 1301 set 1 pass udp from $cpip 53 to any out
|
| 353 |
|
|
|
| 354 |
|
|
# allow access to our web server
|
| 355 |
|
|
add 1302 set 1 pass tcp from any to $cpip 8000 in
|
| 356 |
|
|
add 1303 set 1 pass tcp from $cpip 8000 to any out
|
| 357 |
|
|
|
| 358 |
|
|
EOD;
|
| 359 |
|
|
|
| 360 |
|
|
if (isset($config['captiveportal']['httpslogin'])) {
|
| 361 |
|
|
$cprules .= <<<EOD
|
| 362 |
|
|
add 1304 set 1 pass tcp from any to $cpip 8001 in
|
| 363 |
|
|
add 1305 set 1 pass tcp from $cpip 8001 to any out
|
| 364 |
|
|
|
| 365 |
|
|
EOD;
|
| 366 |
|
|
}
|
| 367 |
36254e4a
|
Scott Ullrich
|
|
| 368 |
3db19cf1
|
Scott Ullrich
|
$cprules .= <<<EOD
|
| 369 |
|
|
|
| 370 |
|
|
# ... 10000-19899: rules per authenticated client go here...
|
| 371 |
|
|
|
| 372 |
|
|
# redirect non-authenticated clients to captive portal
|
| 373 |
|
|
add 19900 set 1 fwd 127.0.0.1,8000 tcp from any to any 80 in
|
| 374 |
5480497a
|
Scott Ullrich
|
|
| 375 |
|
|
# --- for redir ssl
|
| 376 |
|
|
# redirect non-authenticated clients to captive portal on ssl
|
| 377 |
|
|
add 19901 set 1 fwd 127.0.0.1,8001 tcp from any to any 443 in
|
| 378 |
|
|
|
| 379 |
|
|
# let the responses from the captive portal web server back out
|
| 380 |
|
|
add 19902 set 1 pass tcp from any 443 to any out
|
| 381 |
|
|
|
| 382 |
|
|
# --- End redir ssl
|
| 383 |
|
|
|
| 384 |
3db19cf1
|
Scott Ullrich
|
# let the responses from the captive portal web server back out
|
| 385 |
5480497a
|
Scott Ullrich
|
add 19903 set 1 pass tcp from any 80 to any out
|
| 386 |
3db19cf1
|
Scott Ullrich
|
# block everything else
|
| 387 |
5480497a
|
Scott Ullrich
|
add 19904 set 1 deny all from any to any
|
| 388 |
3db19cf1
|
Scott Ullrich
|
|
| 389 |
|
|
# ... 20000-29899: layer2 block rules per authenticated client go here...
|
| 390 |
|
|
|
| 391 |
|
|
# pass everything else on layer2
|
| 392 |
|
|
add 29900 set 1 pass all from any to any layer2
|
| 393 |
|
|
|
| 394 |
|
|
EOD;
|
| 395 |
|
|
|
| 396 |
|
|
return $cprules;
|
| 397 |
|
|
}
|
| 398 |
|
|
|
| 399 |
5b237745
|
Scott Ullrich
|
/* remove clients that have been around for longer than the specified amount of time */
|
| 400 |
36254e4a
|
Scott Ullrich
|
/* db file structure:
|
| 401 |
0bd34ed6
|
Scott Ullrich
|
timestamp,ipfw_rule_no,clientip,clientmac,username,sessionid,password,session_timeout,idle_timeout,session_terminate_time */
|
| 402 |
|
|
|
| 403 |
3db19cf1
|
Scott Ullrich
|
/* (password is in Base64 and only saved when reauthentication is enabled) */
|
| 404 |
5b237745
|
Scott Ullrich
|
function captiveportal_prune_old() {
|
| 405 |
0bd34ed6
|
Scott Ullrich
|
|
| 406 |
d99f7864
|
Scott Ullrich
|
global $g, $config;
|
| 407 |
0bd34ed6
|
Scott Ullrich
|
|
| 408 |
d99f7864
|
Scott Ullrich
|
/* check for expired entries */
|
| 409 |
|
|
if ($config['captiveportal']['timeout'])
|
| 410 |
|
|
$timeout = $config['captiveportal']['timeout'] * 60;
|
| 411 |
|
|
else
|
| 412 |
|
|
$timeout = 0;
|
| 413 |
36254e4a
|
Scott Ullrich
|
|
| 414 |
d99f7864
|
Scott Ullrich
|
if ($config['captiveportal']['idletimeout'])
|
| 415 |
|
|
$idletimeout = $config['captiveportal']['idletimeout'] * 60;
|
| 416 |
|
|
else
|
| 417 |
|
|
$idletimeout = 0;
|
| 418 |
36254e4a
|
Scott Ullrich
|
|
| 419 |
d99f7864
|
Scott Ullrich
|
if (!$timeout && !$idletimeout && !isset($config['captiveportal']['reauthenticate']))
|
| 420 |
|
|
return;
|
| 421 |
36254e4a
|
Scott Ullrich
|
|
| 422 |
d99f7864
|
Scott Ullrich
|
captiveportal_lock();
|
| 423 |
36254e4a
|
Scott Ullrich
|
|
| 424 |
d99f7864
|
Scott Ullrich
|
/* read database */
|
| 425 |
|
|
$cpdb = captiveportal_read_db();
|
| 426 |
36254e4a
|
Scott Ullrich
|
|
| 427 |
d99f7864
|
Scott Ullrich
|
$radiusservers = captiveportal_get_radius_servers();
|
| 428 |
36254e4a
|
Scott Ullrich
|
|
| 429 |
d99f7864
|
Scott Ullrich
|
for ($i = 0; $i < count($cpdb); $i++) {
|
| 430 |
36254e4a
|
Scott Ullrich
|
|
| 431 |
d99f7864
|
Scott Ullrich
|
$timedout = false;
|
| 432 |
|
|
$term_cause = 1;
|
| 433 |
36254e4a
|
Scott Ullrich
|
|
| 434 |
d99f7864
|
Scott Ullrich
|
/* hard timeout? */
|
| 435 |
|
|
if ($timeout) {
|
| 436 |
|
|
if ((time() - $cpdb[$i][0]) >= $timeout) {
|
| 437 |
|
|
$timedout = true;
|
| 438 |
|
|
$term_cause = 5; // Session-Timeout
|
| 439 |
|
|
}
|
| 440 |
|
|
}
|
| 441 |
36254e4a
|
Scott Ullrich
|
|
| 442 |
d99f7864
|
Scott Ullrich
|
/* Session-Terminate-Time */
|
| 443 |
|
|
if (!$timedout && !empty($cpdb[$i][9])) {
|
| 444 |
|
|
if (time() >= $cpdb[$i][9]) {
|
| 445 |
|
|
$timedout = true;
|
| 446 |
|
|
$term_cause = 5; // Session-Timeout
|
| 447 |
|
|
}
|
| 448 |
|
|
}
|
| 449 |
36254e4a
|
Scott Ullrich
|
|
| 450 |
d99f7864
|
Scott Ullrich
|
/* check if the radius idle_timeout attribute has been set and if its set change the idletimeout to this value */
|
| 451 |
|
|
$idletimeout = (is_numeric($cpdb[$i][8])) ? $cpdb[$i][8] : $idletimeout;
|
| 452 |
|
|
/* if an idle timeout is specified, get last activity timestamp from ipfw */
|
| 453 |
|
|
if (!$timedout && $idletimeout) {
|
| 454 |
|
|
$lastact = captiveportal_get_last_activity($cpdb[$i][1]);
|
| 455 |
|
|
if ($lastact && ((time() - $lastact) >= $idletimeout)) {
|
| 456 |
|
|
$timedout = true;
|
| 457 |
|
|
$term_cause = 4; // Idle-Timeout
|
| 458 |
|
|
$stop_time = $lastact; // Entry added to comply with WISPr
|
| 459 |
|
|
}
|
| 460 |
|
|
}
|
| 461 |
36254e4a
|
Scott Ullrich
|
|
| 462 |
d99f7864
|
Scott Ullrich
|
/* if radius session_timeout is enabled and the session_timeout is not null, then check if the user should be logged out */
|
| 463 |
|
|
if (!$timedout && isset($config['captiveportal']['radiussession_timeout']) && !empty($cpdb[$i][7])) {
|
| 464 |
|
|
if (time() >= ($cpdb[$i][0] + $cpdb[$i][7])) {
|
| 465 |
|
|
$timedout = true;
|
| 466 |
|
|
$term_cause = 5; // Session-Timeout
|
| 467 |
|
|
}
|
| 468 |
|
|
}
|
| 469 |
36254e4a
|
Scott Ullrich
|
|
| 470 |
d99f7864
|
Scott Ullrich
|
if ($timedout) {
|
| 471 |
|
|
captiveportal_disconnect($cpdb[$i], $radiusservers,$term_cause,$stop_time);
|
| 472 |
|
|
captiveportal_logportalauth($cpdb[$i][4], $cpdb[$i][3], $cpdb[$i][2], "TIMEOUT");
|
| 473 |
|
|
unset($cpdb[$i]);
|
| 474 |
|
|
}
|
| 475 |
36254e4a
|
Scott Ullrich
|
|
| 476 |
d99f7864
|
Scott Ullrich
|
/* do periodic RADIUS reauthentication? */
|
| 477 |
|
|
if (!$timedout && isset($config['captiveportal']['reauthenticate']) &&
|
| 478 |
|
|
($radiusservers !== false)) {
|
| 479 |
|
|
|
| 480 |
|
|
if (isset($config['captiveportal']['radacct_enable'])) {
|
| 481 |
|
|
if ($config['captiveportal']['reauthenticateacct'] == "stopstart") {
|
| 482 |
|
|
/* stop and restart accounting */
|
| 483 |
|
|
RADIUS_ACCOUNTING_STOP($cpdb[$i][1], // ruleno
|
| 484 |
|
|
$cpdb[$i][4], // username
|
| 485 |
|
|
$cpdb[$i][5], // sessionid
|
| 486 |
|
|
$cpdb[$i][0], // start time
|
| 487 |
|
|
$radiusservers[0]['ipaddr'],
|
| 488 |
|
|
$radiusservers[0]['acctport'],
|
| 489 |
|
|
$radiusservers[0]['key'],
|
| 490 |
|
|
$cpdb[$i][2], // clientip
|
| 491 |
|
|
$cpdb[$i][3], // clientmac
|
| 492 |
|
|
10); // NAS Request
|
| 493 |
|
|
exec("/sbin/ipfw zero {$cpdb[$i][1]}");
|
| 494 |
|
|
RADIUS_ACCOUNTING_START($cpdb[$i][1], // ruleno
|
| 495 |
|
|
$cpdb[$i][4], // username
|
| 496 |
|
|
$cpdb[$i][5], // sessionid
|
| 497 |
|
|
$radiusservers[0]['ipaddr'],
|
| 498 |
|
|
$radiusservers[0]['acctport'],
|
| 499 |
|
|
$radiusservers[0]['key'],
|
| 500 |
|
|
$cpdb[$i][2], // clientip
|
| 501 |
|
|
$cpdb[$i][3]); // clientmac
|
| 502 |
|
|
} else if ($config['captiveportal']['reauthenticateacct'] == "interimupdate") {
|
| 503 |
|
|
RADIUS_ACCOUNTING_STOP($cpdb[$i][1], // ruleno
|
| 504 |
|
|
$cpdb[$i][4], // username
|
| 505 |
|
|
$cpdb[$i][5], // sessionid
|
| 506 |
|
|
$cpdb[$i][0], // start time
|
| 507 |
|
|
$radiusservers[0]['ipaddr'],
|
| 508 |
|
|
$radiusservers[0]['acctport'],
|
| 509 |
|
|
$radiusservers[0]['key'],
|
| 510 |
|
|
$cpdb[$i][2], // clientip
|
| 511 |
|
|
$cpdb[$i][3], // clientmac
|
| 512 |
|
|
10, // NAS Request
|
| 513 |
|
|
true); // Interim Updates
|
| 514 |
|
|
}
|
| 515 |
|
|
}
|
| 516 |
36254e4a
|
Scott Ullrich
|
|
| 517 |
d99f7864
|
Scott Ullrich
|
/* check this user against RADIUS again */
|
| 518 |
|
|
$auth_list = RADIUS_AUTHENTICATION($cpdb[$i][4], // username
|
| 519 |
|
|
base64_decode($cpdb[$i][6]), // password
|
| 520 |
|
|
$radiusservers,
|
| 521 |
|
|
$cpdb[$i][2], // clientip
|
| 522 |
|
|
$cpdb[$i][3], // clientmac
|
| 523 |
|
|
$cpdb[$i][1]); // ruleno
|
| 524 |
|
|
|
| 525 |
|
|
if ($auth_list['auth_val'] == 3) {
|
| 526 |
|
|
captiveportal_disconnect($cpdb[$i], $radiusservers, 17);
|
| 527 |
|
|
captiveportal_logportalauth($cpdb[$i][4], $cpdb[$i][3], $cpdb[$i][2], "RADIUS_DISCONNECT", $auth_list['reply_message']);
|
| 528 |
|
|
unset($cpdb[$i]);
|
| 529 |
|
|
}
|
| 530 |
|
|
}
|
| 531 |
|
|
}
|
| 532 |
36254e4a
|
Scott Ullrich
|
|
| 533 |
d99f7864
|
Scott Ullrich
|
/* write database */
|
| 534 |
|
|
captiveportal_write_db($cpdb);
|
| 535 |
|
|
|
| 536 |
|
|
captiveportal_unlock();
|
| 537 |
5b237745
|
Scott Ullrich
|
}
|
| 538 |
|
|
|
| 539 |
3db19cf1
|
Scott Ullrich
|
/* remove a single client according to the DB entry */
|
| 540 |
0bd34ed6
|
Scott Ullrich
|
function captiveportal_disconnect($dbent, $radiusservers,$term_cause = 1,$stop_time = null) {
|
| 541 |
36254e4a
|
Scott Ullrich
|
|
| 542 |
d99f7864
|
Scott Ullrich
|
global $g, $config;
|
| 543 |
|
|
|
| 544 |
|
|
$stop_time = (empty($stop_time)) ? time() : $stop_time;
|
| 545 |
|
|
|
| 546 |
|
|
/* this client needs to be deleted - remove ipfw rules */
|
| 547 |
|
|
if (isset($config['captiveportal']['radacct_enable']) && isset($radiusservers[0])) {
|
| 548 |
|
|
RADIUS_ACCOUNTING_STOP($dbent[1], // ruleno
|
| 549 |
|
|
$dbent[4], // username
|
| 550 |
|
|
$dbent[5], // sessionid
|
| 551 |
|
|
$dbent[0], // start time
|
| 552 |
|
|
$radiusservers[0]['ipaddr'],
|
| 553 |
|
|
$radiusservers[0]['acctport'],
|
| 554 |
|
|
$radiusservers[0]['key'],
|
| 555 |
|
|
$dbent[2], // clientip
|
| 556 |
|
|
$dbent[3], // clientmac
|
| 557 |
|
|
$term_cause, // Acct-Terminate-Cause
|
| 558 |
|
|
false,
|
| 559 |
|
|
$stop_time);
|
| 560 |
|
|
}
|
| 561 |
|
|
|
| 562 |
|
|
mwexec("/sbin/ipfw delete " . $dbent[1] . " " . ($dbent[1]+10000));
|
| 563 |
|
|
|
| 564 |
|
|
//KEYCOM: we need to delete +40500 and +45500 as well...
|
| 565 |
|
|
//these are the rule numbers we use to control traffic shaping for each logged in user via captive portal
|
| 566 |
|
|
//we only need to remove our rules if peruserbw is turned on.
|
| 567 |
|
|
if (isset($config['captiveportal']['peruserbw'])) {
|
| 568 |
|
|
mwexec("/sbin/ipfw delete " . ($dbent[1]+40500));
|
| 569 |
|
|
mwexec("/sbin/ipfw delete " . ($dbent[1]+45500));
|
| 570 |
|
|
}
|
| 571 |
7a7abeba
|
Scott Ullrich
|
|
| 572 |
|
|
/* ensure all pf states are killed (pfSense) */
|
| 573 |
|
|
mwexec("pfctl -k {$dbent[2]}");
|
| 574 |
|
|
|
| 575 |
3db19cf1
|
Scott Ullrich
|
}
|
| 576 |
12ee8fe4
|
Scott Ullrich
|
|
| 577 |
3db19cf1
|
Scott Ullrich
|
/* remove a single client by ipfw rule number */
|
| 578 |
0bd34ed6
|
Scott Ullrich
|
function captiveportal_disconnect_client($id,$term_cause = 1) {
|
| 579 |
36254e4a
|
Scott Ullrich
|
|
| 580 |
d99f7864
|
Scott Ullrich
|
global $g, $config;
|
| 581 |
36254e4a
|
Scott Ullrich
|
|
| 582 |
d99f7864
|
Scott Ullrich
|
captiveportal_lock();
|
| 583 |
36254e4a
|
Scott Ullrich
|
|
| 584 |
d99f7864
|
Scott Ullrich
|
/* read database */
|
| 585 |
|
|
$cpdb = captiveportal_read_db();
|
| 586 |
|
|
$radiusservers = captiveportal_get_radius_servers();
|
| 587 |
|
|
|
| 588 |
|
|
/* find entry */
|
| 589 |
|
|
for ($i = 0; $i < count($cpdb); $i++) {
|
| 590 |
|
|
if ($cpdb[$i][1] == $id) {
|
| 591 |
|
|
captiveportal_disconnect($cpdb[$i], $radiusservers, $term_cause);
|
| 592 |
|
|
captiveportal_logportalauth($cpdb[$i][4], $cpdb[$i][3], $cpdb[$i][2], "DISCONNECT");
|
| 593 |
|
|
unset($cpdb[$i]);
|
| 594 |
|
|
break;
|
| 595 |
|
|
}
|
| 596 |
|
|
}
|
| 597 |
36254e4a
|
Scott Ullrich
|
|
| 598 |
d99f7864
|
Scott Ullrich
|
/* write database */
|
| 599 |
|
|
captiveportal_write_db($cpdb);
|
| 600 |
36254e4a
|
Scott Ullrich
|
|
| 601 |
d99f7864
|
Scott Ullrich
|
captiveportal_unlock();
|
| 602 |
5b237745
|
Scott Ullrich
|
}
|
| 603 |
|
|
|
| 604 |
|
|
/* send RADIUS acct stop for all current clients */
|
| 605 |
|
|
function captiveportal_radius_stop_all() {
|
| 606 |
d99f7864
|
Scott Ullrich
|
global $g, $config;
|
| 607 |
|
|
|
| 608 |
|
|
if (!isset($config['captiveportal']['radacct_enable']))
|
| 609 |
|
|
return;
|
| 610 |
|
|
|
| 611 |
|
|
captiveportal_lock();
|
| 612 |
|
|
$cpdb = captiveportal_read_db();
|
| 613 |
|
|
|
| 614 |
|
|
$radiusservers = captiveportal_get_radius_servers();
|
| 615 |
|
|
|
| 616 |
|
|
if (isset($radiusservers[0])) {
|
| 617 |
|
|
for ($i = 0; $i < count($cpdb); $i++) {
|
| 618 |
|
|
RADIUS_ACCOUNTING_STOP($cpdb[$i][1], // ruleno
|
| 619 |
|
|
$cpdb[$i][4], // username
|
| 620 |
|
|
$cpdb[$i][5], // sessionid
|
| 621 |
|
|
$cpdb[$i][0], // start time
|
| 622 |
|
|
$radiusservers[0]['ipaddr'],
|
| 623 |
|
|
$radiusservers[0]['acctport'],
|
| 624 |
|
|
$radiusservers[0]['key'],
|
| 625 |
|
|
$cpdb[$i][2], // clientip
|
| 626 |
|
|
$cpdb[$i][3], // clientmac
|
| 627 |
|
|
7); // Admin Reboot
|
| 628 |
|
|
}
|
| 629 |
|
|
}
|
| 630 |
|
|
captiveportal_unlock();
|
| 631 |
5b237745
|
Scott Ullrich
|
}
|
| 632 |
|
|
|
| 633 |
|
|
function captiveportal_passthrumac_configure() {
|
| 634 |
|
|
global $config, $g;
|
| 635 |
36254e4a
|
Scott Ullrich
|
|
| 636 |
3db19cf1
|
Scott Ullrich
|
captiveportal_lock();
|
| 637 |
36254e4a
|
Scott Ullrich
|
|
| 638 |
5b237745
|
Scott Ullrich
|
/* clear out passthru macs, if necessary */
|
| 639 |
3db19cf1
|
Scott Ullrich
|
unlink_if_exists("{$g['vardb_path']}/captiveportal_mac.db");
|
| 640 |
36254e4a
|
Scott Ullrich
|
|
| 641 |
5b237745
|
Scott Ullrich
|
if (is_array($config['captiveportal']['passthrumac'])) {
|
| 642 |
36254e4a
|
Scott Ullrich
|
|
| 643 |
5b237745
|
Scott Ullrich
|
$fd = @fopen("{$g['vardb_path']}/captiveportal_mac.db", "w");
|
| 644 |
|
|
if (!$fd) {
|
| 645 |
|
|
printf("Error: cannot open passthru mac DB file in captiveportal_passthrumac_configure().\n");
|
| 646 |
3db19cf1
|
Scott Ullrich
|
captiveportal_unlock();
|
| 647 |
36254e4a
|
Scott Ullrich
|
return 1;
|
| 648 |
5b237745
|
Scott Ullrich
|
}
|
| 649 |
36254e4a
|
Scott Ullrich
|
|
| 650 |
5b237745
|
Scott Ullrich
|
foreach ($config['captiveportal']['passthrumac'] as $macent) {
|
| 651 |
|
|
/* record passthru mac so it can be recognized and let thru */
|
| 652 |
|
|
fwrite($fd, $macent['mac'] . "\n");
|
| 653 |
|
|
}
|
| 654 |
36254e4a
|
Scott Ullrich
|
|
| 655 |
|
|
fclose($fd);
|
| 656 |
5b237745
|
Scott Ullrich
|
}
|
| 657 |
0bd34ed6
|
Scott Ullrich
|
|
| 658 |
1de584c9
|
Scott Ullrich
|
/* pass through mac entries should always exist. the reason
|
| 659 |
|
|
* for this is because we do not have native mac address filtering
|
| 660 |
|
|
* mechanisms. this allows us to filter by mac address easily
|
| 661 |
|
|
* and get around this limitation. I consider this a bug in
|
| 662 |
36254e4a
|
Scott Ullrich
|
* m0n0wall and pfSense as m0n0wall does not have native mac
|
| 663 |
1de584c9
|
Scott Ullrich
|
* filtering mechanisms as well. -Scott Ullrich
|
| 664 |
|
|
*/
|
| 665 |
|
|
if (is_array($config['captiveportal']['passthrumac'])) {
|
| 666 |
|
|
mwexec("/sbin/ipfw delete 50");
|
| 667 |
|
|
foreach($config['captiveportal']['passthrumac'] as $ptm) {
|
| 668 |
|
|
/* create the pass through mac entry */
|
| 669 |
12249cad
|
Scott Ullrich
|
//system("echo /sbin/ipfw add 50 skipto 65535 ip from any to any MAC {$ptm['mac']} any > /tmp/cp");
|
| 670 |
5d61b44e
|
Scott Ullrich
|
mwexec("/sbin/ipfw add 50 skipto 29900 ip from any to any MAC {$ptm['mac']} any keep-state");
|
| 671 |
|
|
mwexec("/sbin/ipfw add 50 skipto 29900 ip from any to any MAC any {$ptm['mac']} keep-state");
|
| 672 |
1de584c9
|
Scott Ullrich
|
}
|
| 673 |
|
|
}
|
| 674 |
0bd34ed6
|
Scott Ullrich
|
|
| 675 |
3db19cf1
|
Scott Ullrich
|
captiveportal_unlock();
|
| 676 |
36254e4a
|
Scott Ullrich
|
|
| 677 |
5b237745
|
Scott Ullrich
|
return 0;
|
| 678 |
|
|
}
|
| 679 |
|
|
|
| 680 |
|
|
function captiveportal_allowedip_configure() {
|
| 681 |
|
|
global $config, $g;
|
| 682 |
36254e4a
|
Scott Ullrich
|
|
| 683 |
3db19cf1
|
Scott Ullrich
|
captiveportal_lock();
|
| 684 |
5b237745
|
Scott Ullrich
|
|
| 685 |
|
|
/* clear out existing allowed ips, if necessary */
|
| 686 |
|
|
if (file_exists("{$g['vardb_path']}/captiveportal_ip.db")) {
|
| 687 |
|
|
$fd = @fopen("{$g['vardb_path']}/captiveportal_ip.db", "r");
|
| 688 |
|
|
if ($fd) {
|
| 689 |
|
|
while (!feof($fd)) {
|
| 690 |
|
|
$line = trim(fgets($fd));
|
| 691 |
3db19cf1
|
Scott Ullrich
|
if ($line) {
|
| 692 |
5b237745
|
Scott Ullrich
|
list($ip,$rule) = explode(",",$line);
|
| 693 |
3db19cf1
|
Scott Ullrich
|
mwexec("/sbin/ipfw delete $rule");
|
| 694 |
36254e4a
|
Scott Ullrich
|
}
|
| 695 |
5b237745
|
Scott Ullrich
|
}
|
| 696 |
|
|
}
|
| 697 |
3db19cf1
|
Scott Ullrich
|
fclose($fd);
|
| 698 |
5b237745
|
Scott Ullrich
|
unlink("{$g['vardb_path']}/captiveportal_ip.db");
|
| 699 |
|
|
}
|
| 700 |
|
|
|
| 701 |
3db19cf1
|
Scott Ullrich
|
/* get next ipfw rule number */
|
| 702 |
|
|
if (file_exists("{$g['vardb_path']}/captiveportal.nextrule"))
|
| 703 |
|
|
$ruleno = trim(file_get_contents("{$g['vardb_path']}/captiveportal.nextrule"));
|
| 704 |
|
|
if (!$ruleno)
|
| 705 |
|
|
$ruleno = 10000; /* first rule number */
|
| 706 |
36254e4a
|
Scott Ullrich
|
|
| 707 |
5b237745
|
Scott Ullrich
|
if (is_array($config['captiveportal']['allowedip'])) {
|
| 708 |
36254e4a
|
Scott Ullrich
|
|
| 709 |
5b237745
|
Scott Ullrich
|
$fd = @fopen("{$g['vardb_path']}/captiveportal_ip.db", "w");
|
| 710 |
|
|
if (!$fd) {
|
| 711 |
|
|
printf("Error: cannot open allowed ip DB file in captiveportal_allowedip_configure().\n");
|
| 712 |
3db19cf1
|
Scott Ullrich
|
captiveportal_unlock();
|
| 713 |
36254e4a
|
Scott Ullrich
|
return 1;
|
| 714 |
5b237745
|
Scott Ullrich
|
}
|
| 715 |
36254e4a
|
Scott Ullrich
|
|
| 716 |
5b237745
|
Scott Ullrich
|
foreach ($config['captiveportal']['allowedip'] as $ipent) {
|
| 717 |
36254e4a
|
Scott Ullrich
|
|
| 718 |
5b237745
|
Scott Ullrich
|
/* record allowed ip so it can be recognized and removed later */
|
| 719 |
3db19cf1
|
Scott Ullrich
|
fwrite($fd, $ipent['ip'] . "," . $ruleno ."\n");
|
| 720 |
36254e4a
|
Scott Ullrich
|
|
| 721 |
3db19cf1
|
Scott Ullrich
|
/* insert ipfw rule to allow ip thru */
|
| 722 |
|
|
if ($ipent['dir'] == "from") {
|
| 723 |
|
|
mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from " . $ipent['ip'] . " to any in");
|
| 724 |
|
|
mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from any to " . $ipent['ip'] . " out");
|
| 725 |
|
|
} else {
|
| 726 |
|
|
mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from any to " . $ipent['ip'] . " in");
|
| 727 |
|
|
mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from " . $ipent['ip'] . " to any out");
|
| 728 |
|
|
}
|
| 729 |
36254e4a
|
Scott Ullrich
|
|
| 730 |
3db19cf1
|
Scott Ullrich
|
$ruleno++;
|
| 731 |
|
|
if ($ruleno > 19899)
|
| 732 |
|
|
$ruleno = 10000;
|
| 733 |
5b237745
|
Scott Ullrich
|
}
|
| 734 |
36254e4a
|
Scott Ullrich
|
|
| 735 |
|
|
fclose($fd);
|
| 736 |
5b237745
|
Scott Ullrich
|
|
| 737 |
|
|
/* write next rule number */
|
| 738 |
|
|
$fd = @fopen("{$g['vardb_path']}/captiveportal.nextrule", "w");
|
| 739 |
|
|
if ($fd) {
|
| 740 |
|
|
fwrite($fd, $ruleno);
|
| 741 |
|
|
fclose($fd);
|
| 742 |
|
|
}
|
| 743 |
|
|
}
|
| 744 |
36254e4a
|
Scott Ullrich
|
|
| 745 |
3db19cf1
|
Scott Ullrich
|
captiveportal_unlock();
|
| 746 |
5b237745
|
Scott Ullrich
|
return 0;
|
| 747 |
|
|
}
|
| 748 |
|
|
|
| 749 |
3db19cf1
|
Scott Ullrich
|
/* get last activity timestamp given ipfw rule number */
|
| 750 |
|
|
function captiveportal_get_last_activity($ruleno) {
|
| 751 |
36254e4a
|
Scott Ullrich
|
|
| 752 |
d99f7864
|
Scott Ullrich
|
$ipfwoutput = "";
|
| 753 |
36254e4a
|
Scott Ullrich
|
|
| 754 |
d99f7864
|
Scott Ullrich
|
exec("/sbin/ipfw -T list {$ruleno} 2>/dev/null", $ipfwoutput);
|
| 755 |
|
|
|
| 756 |
|
|
/* in */
|
| 757 |
|
|
if ($ipfwoutput[0]) {
|
| 758 |
|
|
$ri = explode(" ", $ipfwoutput[0]);
|
| 759 |
|
|
if ($ri[1])
|
| 760 |
|
|
return $ri[1];
|
| 761 |
|
|
}
|
| 762 |
36254e4a
|
Scott Ullrich
|
|
| 763 |
d99f7864
|
Scott Ullrich
|
return 0;
|
| 764 |
5b237745
|
Scott Ullrich
|
}
|
| 765 |
|
|
|
| 766 |
|
|
/* read RADIUS servers into array */
|
| 767 |
|
|
function captiveportal_get_radius_servers() {
|
| 768 |
0bd34ed6
|
Scott Ullrich
|
|
| 769 |
|
|
global $g;
|
| 770 |
|
|
|
| 771 |
|
|
if (file_exists("{$g['vardb_path']}/captiveportal_radius.db")) {
|
| 772 |
|
|
$fd = @fopen("{$g['vardb_path']}/captiveportal_radius.db","r");
|
| 773 |
|
|
if ($fd) {
|
| 774 |
|
|
$radiusservers = array();
|
| 775 |
|
|
while (!feof($fd)) {
|
| 776 |
|
|
$line = trim(fgets($fd));
|
| 777 |
|
|
if ($line) {
|
| 778 |
|
|
$radsrv = array();
|
| 779 |
|
|
list($radsrv['ipaddr'],$radsrv['port'],$radsrv['acctport'],$radsrv['key']) = explode(",",$line);
|
| 780 |
|
|
$radiusservers[] = $radsrv;
|
| 781 |
|
|
}
|
| 782 |
|
|
}
|
| 783 |
|
|
fclose($fd);
|
| 784 |
|
|
|
| 785 |
|
|
return $radiusservers;
|
| 786 |
|
|
}
|
| 787 |
|
|
}
|
| 788 |
|
|
|
| 789 |
|
|
return false;
|
| 790 |
5b237745
|
Scott Ullrich
|
}
|
| 791 |
|
|
|
| 792 |
|
|
/* lock captive portal information, decide that the lock file is stale after
|
| 793 |
|
|
10 seconds */
|
| 794 |
|
|
function captiveportal_lock() {
|
| 795 |
0bd34ed6
|
Scott Ullrich
|
|
| 796 |
|
|
global $lockfile;
|
| 797 |
|
|
|
| 798 |
|
|
$n = 0;
|
| 799 |
|
|
while ($n < 10) {
|
| 800 |
|
|
/* open the lock file in append mode to avoid race condition */
|
| 801 |
|
|
if ($fd = @fopen($lockfile, "x")) {
|
| 802 |
|
|
/* succeeded */
|
| 803 |
|
|
fclose($fd);
|
| 804 |
|
|
return;
|
| 805 |
|
|
} else {
|
| 806 |
|
|
/* file locked, wait and try again */
|
| 807 |
|
|
sleep(1);
|
| 808 |
|
|
$n++;
|
| 809 |
|
|
}
|
| 810 |
|
|
}
|
| 811 |
5b237745
|
Scott Ullrich
|
}
|
| 812 |
|
|
|
| 813 |
0bd34ed6
|
Scott Ullrich
|
/* unlock captive portal information file */
|
| 814 |
5b237745
|
Scott Ullrich
|
function captiveportal_unlock() {
|
| 815 |
0bd34ed6
|
Scott Ullrich
|
|
| 816 |
|
|
global $lockfile;
|
| 817 |
|
|
|
| 818 |
|
|
if (file_exists($lockfile))
|
| 819 |
|
|
unlink($lockfile);
|
| 820 |
5b237745
|
Scott Ullrich
|
}
|
| 821 |
|
|
|
| 822 |
3db19cf1
|
Scott Ullrich
|
/* log successful captive portal authentication to syslog */
|
| 823 |
|
|
/* part of this code from php.net */
|
| 824 |
0bd34ed6
|
Scott Ullrich
|
function captiveportal_logportalauth($user,$mac,$ip,$status, $message = null) {
|
| 825 |
d99f7864
|
Scott Ullrich
|
define_syslog_variables();
|
| 826 |
|
|
$message = trim($message);
|
| 827 |
|
|
openlog("logportalauth", LOG_PID, LOG_LOCAL4);
|
| 828 |
|
|
// Log it
|
| 829 |
|
|
if (!$message)
|
| 830 |
|
|
syslog(LOG_INFO, "$status: $user, $mac, $ip");
|
| 831 |
|
|
else
|
| 832 |
|
|
syslog(LOG_INFO, "$status: $user, $mac, $ip, $message");
|
| 833 |
|
|
closelog();
|
| 834 |
3db19cf1
|
Scott Ullrich
|
}
|
| 835 |
|
|
|
| 836 |
0bd34ed6
|
Scott Ullrich
|
function radius($username,$password,$clientip,$clientmac,$type) {
|
| 837 |
d99f7864
|
Scott Ullrich
|
global $g, $config;
|
| 838 |
|
|
|
| 839 |
|
|
$next_ruleno = get_next_ipfw_ruleno();
|
| 840 |
|
|
$radiusservers = captiveportal_get_radius_servers();
|
| 841 |
|
|
$radacct_enable = isset($config['captiveportal']['radacct_enable']);
|
| 842 |
|
|
|
| 843 |
|
|
$auth_list = RADIUS_AUTHENTICATION($username,
|
| 844 |
|
|
$password,
|
| 845 |
|
|
$radiusservers,
|
| 846 |
|
|
$clientip,
|
| 847 |
|
|
$clientmac,
|
| 848 |
|
|
$next_ruleno);
|
| 849 |
|
|
|
| 850 |
|
|
if ($auth_list['auth_val'] == 2) {
|
| 851 |
|
|
captiveportal_logportalauth($username,$clientmac,$clientip,$type);
|
| 852 |
|
|
$sessionid = portal_allow($clientip,
|
| 853 |
|
|
$clientmac,
|
| 854 |
|
|
$username,
|
| 855 |
|
|
$password,
|
| 856 |
|
|
$auth_list['session_timeout'],
|
| 857 |
|
|
$auth_list['idle_timeout'],
|
| 858 |
|
|
$auth_list['url_redirection'],
|
| 859 |
|
|
$auth_list['session_terminate_time']);
|
| 860 |
|
|
|
| 861 |
|
|
if ($radacct_enable) {
|
| 862 |
|
|
$auth_list['acct_val'] = RADIUS_ACCOUNTING_START($next_ruleno,
|
| 863 |
|
|
$username,
|
| 864 |
|
|
$sessionid,
|
| 865 |
|
|
$radiusservers[0]['ipaddr'],
|
| 866 |
|
|
$radiusservers[0]['acctport'],
|
| 867 |
|
|
$radiusservers[0]['key'],
|
| 868 |
|
|
$clientip,
|
| 869 |
|
|
$clientmac);
|
| 870 |
|
|
if ($auth_list['acct_val'] == 1)
|
| 871 |
|
|
captiveportal_logportalauth($username,$clientmac,$clientip,$type,"RADIUS ACCOUNTING FAILED");
|
| 872 |
|
|
}
|
| 873 |
|
|
}
|
| 874 |
0bd34ed6
|
Scott Ullrich
|
|
| 875 |
d99f7864
|
Scott Ullrich
|
return $auth_list;
|
| 876 |
0bd34ed6
|
Scott Ullrich
|
|
| 877 |
|
|
}
|
| 878 |
|
|
|
| 879 |
|
|
/* read captive portal DB into array */
|
| 880 |
|
|
function captiveportal_read_db() {
|
| 881 |
|
|
|
| 882 |
|
|
global $g;
|
| 883 |
|
|
|
| 884 |
|
|
$cpdb = array();
|
| 885 |
|
|
$fd = @fopen("{$g['vardb_path']}/captiveportal.db", "r");
|
| 886 |
|
|
if ($fd) {
|
| 887 |
|
|
while (!feof($fd)) {
|
| 888 |
|
|
$line = trim(fgets($fd));
|
| 889 |
|
|
if ($line) {
|
| 890 |
|
|
$cpdb[] = explode(",", $line);
|
| 891 |
|
|
}
|
| 892 |
|
|
}
|
| 893 |
|
|
fclose($fd);
|
| 894 |
|
|
}
|
| 895 |
|
|
return $cpdb;
|
| 896 |
|
|
}
|
| 897 |
|
|
|
| 898 |
|
|
/* write captive portal DB */
|
| 899 |
|
|
function captiveportal_write_db($cpdb) {
|
| 900 |
36254e4a
|
Scott Ullrich
|
|
| 901 |
0bd34ed6
|
Scott Ullrich
|
global $g;
|
| 902 |
36254e4a
|
Scott Ullrich
|
|
| 903 |
0bd34ed6
|
Scott Ullrich
|
$fd = @fopen("{$g['vardb_path']}/captiveportal.db", "w");
|
| 904 |
36254e4a
|
Scott Ullrich
|
if ($fd) {
|
| 905 |
0bd34ed6
|
Scott Ullrich
|
foreach ($cpdb as $cpent) {
|
| 906 |
|
|
fwrite($fd, join(",", $cpent) . "\n");
|
| 907 |
36254e4a
|
Scott Ullrich
|
}
|
| 908 |
0bd34ed6
|
Scott Ullrich
|
fclose($fd);
|
| 909 |
36254e4a
|
Scott Ullrich
|
}
|
| 910 |
0bd34ed6
|
Scott Ullrich
|
}
|
| 911 |
|
|
|
| 912 |
|
|
function captiveportal_write_elements() {
|
| 913 |
d99f7864
|
Scott Ullrich
|
global $g, $config;
|
| 914 |
|
|
|
| 915 |
|
|
/* delete any existing elements */
|
| 916 |
|
|
if (is_dir($g['captiveportal_element_path'])) {
|
| 917 |
|
|
$dh = opendir($g['captiveportal_element_path']);
|
| 918 |
|
|
while (($file = readdir($dh)) !== false) {
|
| 919 |
|
|
if ($file != "." && $file != "..")
|
| 920 |
|
|
unlink($g['captiveportal_element_path'] . "/" . $file);
|
| 921 |
|
|
}
|
| 922 |
|
|
closedir($dh);
|
| 923 |
|
|
} else {
|
| 924 |
|
|
mkdir($g['captiveportal_element_path']);
|
| 925 |
|
|
}
|
| 926 |
36254e4a
|
Scott Ullrich
|
|
| 927 |
d99f7864
|
Scott Ullrich
|
if (is_array($config['captiveportal']['element'])) {
|
| 928 |
|
|
conf_mount_rw();
|
| 929 |
|
|
foreach ($config['captiveportal']['element'] as $data) {
|
| 930 |
|
|
$fd = @fopen($g['captiveportal_element_path'] . '/' . $data['name'], "wb");
|
| 931 |
|
|
if (!$fd) {
|
| 932 |
|
|
printf("Error: cannot open '{$data['name']}' in captiveportal_write_elements().\n");
|
| 933 |
|
|
return 1;
|
| 934 |
|
|
}
|
| 935 |
|
|
$decoded = base64_decode($data['content']);
|
| 936 |
|
|
fwrite($fd,$decoded);
|
| 937 |
|
|
fclose($fd);
|
| 938 |
|
|
unlink_if_exists("{$g['captiveportal_path']}/{$data['name']}");
|
| 939 |
|
|
unlink_if_exists("{$g['captiveportal_path']}/{$data['name']}");
|
| 940 |
|
|
mwexec("cd {$g['captiveportal_path']}/ && ln -s {$g['captiveportal_element_path']}/{$data['name']} {$data['name']}");
|
| 941 |
|
|
}
|
| 942 |
|
|
conf_mount_ro();
|
| 943 |
|
|
}
|
| 944 |
36254e4a
|
Scott Ullrich
|
|
| 945 |
d99f7864
|
Scott Ullrich
|
return 0;
|
| 946 |
0bd34ed6
|
Scott Ullrich
|
}
|
| 947 |
|
|
|
| 948 |
6d8f4f75
|
Scott Ullrich
|
/*
|
| 949 |
|
|
* This function will calculate the lowest free firewall ruleno
|
| 950 |
|
|
* within the range specified based on the actual installed rules
|
| 951 |
|
|
*
|
| 952 |
|
|
*/
|
| 953 |
|
|
|
| 954 |
|
|
function get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_range_max = 9899) {
|
| 955 |
|
|
|
| 956 |
84e5047d
|
Scott Ullrich
|
$fwrules = "";
|
| 957 |
|
|
$matches = "";
|
| 958 |
6d8f4f75
|
Scott Ullrich
|
exec("/sbin/ipfw show", $fwrules);
|
| 959 |
|
|
foreach ($fwrules as $fwrule) {
|
| 960 |
|
|
preg_match("/^(\d+)\s+/", $fwrule, $matches);
|
| 961 |
|
|
$rulenos_used[] = $matches[1];
|
| 962 |
|
|
}
|
| 963 |
|
|
$rulenos_used = array_unique($rulenos_used);
|
| 964 |
|
|
$rulenos_range = count($rulenos_used);
|
| 965 |
|
|
if ($rulenos_range > $rulenos_range_max) {
|
| 966 |
|
|
return NULL;
|
| 967 |
|
|
}
|
| 968 |
|
|
$rulenos_pool = range($rulenos_start, ($rulenos_start + $rulenos_range));
|
| 969 |
|
|
$rulenos_free = array_diff($rulenos_pool, $rulenos_used);
|
| 970 |
|
|
$ruleno = array_shift($rulenos_free);
|
| 971 |
|
|
|
| 972 |
|
|
return $ruleno;
|
| 973 |
|
|
}
|
| 974 |
|
|
|
| 975 |
920cafaf
|
Scott Ullrich
|
/*
|
| 976 |
|
|
* This function will calculate the lowest free firewall ruleno
|
| 977 |
|
|
* within the range specified based on the actual installed rules
|
| 978 |
|
|
*
|
| 979 |
|
|
*/
|
| 980 |
|
|
|
| 981 |
|
|
function captiveportal_get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_range_max = 9899) {
|
| 982 |
|
|
|
| 983 |
84e5047d
|
Scott Ullrich
|
$fwrules = "";
|
| 984 |
|
|
$matches = "";
|
| 985 |
920cafaf
|
Scott Ullrich
|
exec("/sbin/ipfw show", $fwrules);
|
| 986 |
|
|
foreach ($fwrules as $fwrule) {
|
| 987 |
|
|
preg_match("/^(\d+)\s+/", $fwrule, $matches);
|
| 988 |
|
|
$rulenos_used[] = $matches[1];
|
| 989 |
|
|
}
|
| 990 |
|
|
$rulenos_used = array_unique($rulenos_used);
|
| 991 |
|
|
$rulenos_range = count($rulenos_used);
|
| 992 |
|
|
if ($rulenos_range > $rulenos_range_max) {
|
| 993 |
|
|
return NULL;
|
| 994 |
|
|
}
|
| 995 |
|
|
$rulenos_pool = range($rulenos_start, ($rulenos_start + $rulenos_range));
|
| 996 |
|
|
$rulenos_free = array_diff($rulenos_pool, $rulenos_used);
|
| 997 |
|
|
$ruleno = array_shift($rulenos_free);
|
| 998 |
|
|
|
| 999 |
|
|
return $ruleno;
|
| 1000 |
|
|
}
|
| 1001 |
|
|
|
| 1002 |
360d815d
|
Scott Ullrich
|
/**
|
| 1003 |
|
|
* This function will calculate the traffic produced by a client
|
| 1004 |
|
|
* based on its firewall rule
|
| 1005 |
|
|
*
|
| 1006 |
|
|
* Point of view: NAS
|
| 1007 |
|
|
*
|
| 1008 |
|
|
* Input means: from the client
|
| 1009 |
|
|
* Output means: to the client
|
| 1010 |
|
|
*
|
| 1011 |
|
|
*/
|
| 1012 |
|
|
|
| 1013 |
|
|
function getVolume($ruleno) {
|
| 1014 |
|
|
|
| 1015 |
|
|
$volume = array();
|
| 1016 |
|
|
|
| 1017 |
|
|
// Initialize vars properly, since we don't want NULL vars
|
| 1018 |
|
|
$volume['input_pkts'] = $volume['input_bytes'] = $volume['output_pkts'] = $volume['output_bytes'] = 0 ;
|
| 1019 |
|
|
|
| 1020 |
|
|
// Ingress
|
| 1021 |
84e5047d
|
Scott Ullrich
|
$ipfw = "";
|
| 1022 |
|
|
$matches = "";
|
| 1023 |
360d815d
|
Scott Ullrich
|
exec("/sbin/ipfw show {$ruleno}", $ipfw);
|
| 1024 |
|
|
preg_match("/(\d+)\s+(\d+)\s+(\d+)\s+.*/", $ipfw[0], $matches);
|
| 1025 |
|
|
$volume['input_pkts'] = $matches[2];
|
| 1026 |
|
|
$volume['input_bytes'] = $matches[3];
|
| 1027 |
|
|
|
| 1028 |
|
|
// Flush internal buffer
|
| 1029 |
|
|
unset($matches);
|
| 1030 |
|
|
|
| 1031 |
|
|
// Outgress
|
| 1032 |
|
|
preg_match("/(\d+)\s+(\d+)\s+(\d+)\s+.*/", $ipfw[1], $matches);
|
| 1033 |
|
|
$volume['output_pkts'] = $matches[2];
|
| 1034 |
|
|
$volume['output_bytes'] = $matches[3];
|
| 1035 |
|
|
|
| 1036 |
|
|
return $volume;
|
| 1037 |
|
|
}
|
| 1038 |
|
|
|
| 1039 |
856e58a6
|
Scott Ullrich
|
/**
|
| 1040 |
|
|
* Get the NAS-Identifier
|
| 1041 |
|
|
*
|
| 1042 |
|
|
* We will use our local hostname to make up the nas_id
|
| 1043 |
|
|
*/
|
| 1044 |
|
|
function getNasID()
|
| 1045 |
|
|
{
|
| 1046 |
84e5047d
|
Scott Ullrich
|
$nasId = "";
|
| 1047 |
856e58a6
|
Scott Ullrich
|
exec("/bin/hostname", $nasId);
|
| 1048 |
|
|
if(!$nasId[0])
|
| 1049 |
|
|
$nasId[0] = "pfSense";
|
| 1050 |
|
|
return $nasId[0];
|
| 1051 |
|
|
}
|
| 1052 |
|
|
|
| 1053 |
|
|
/**
|
| 1054 |
|
|
* Get the NAS-IP-Address based on the current wan address
|
| 1055 |
|
|
*
|
| 1056 |
|
|
* Use functions in interfaces.inc to find this out
|
| 1057 |
|
|
*
|
| 1058 |
|
|
*/
|
| 1059 |
|
|
|
| 1060 |
|
|
function getNasIP()
|
| 1061 |
|
|
{
|
| 1062 |
|
|
$nasIp = get_current_wan_address();
|
| 1063 |
|
|
if(!$nasIp)
|
| 1064 |
|
|
$nasIp = "0.0.0.0";
|
| 1065 |
|
|
return $nasIp;
|
| 1066 |
|
|
}
|
| 1067 |
|
|
|
| 1068 |
36254e4a
|
Scott Ullrich
|
?>
|