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<?php
/*
* auth_check.inc
*
* part of pfSense (https://www.pfsense.org)
* Copyright (c) 2017 Rubicon Communications, LLC (Netgate)
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// this function is a duplicate from cmp_page_matches() in priv.inc
// however unconditionally including priv.inc takes significant more time/cpu
function cmp_page_matches2($page, & $matches, $fullwc = true) {
// $dbg_matches = implode(",", $matches);
// log_error("debug: checking page {$page} match with {$dbg_matches}");
if (!is_array($matches)) {
return false;
}
/* skip any leading fwdslash */
$test = strpos($page, "/");
if ($test !== false && $test == 0) {
$page = substr($page, 1);
}
/* look for a match */
foreach ($matches as $match) {
/* possibly ignore full wildcard match */
if (!$fullwc && !strcmp($match , "*")) {
continue;
}
/* compare exact or wildcard match */
$match = str_replace(array(".", "*", "?"), array("\.", ".*", "\?"), $match);
$result = preg_match("@^/{$match}$@", "/{$page}");
if ($result) {
return true;
}
}
return false;
}
function session_read_single_var($varname) {
$session_started = false;
if (!session_id()) {
session_start();
$session_started = true;
}
$result = $_SESSION[$varname];
if ($session_started) {
// if we started the session then lets close it..
session_abort();
}
return $result;
}
$session_pagematch = session_read_single_var("page-match");
$pageuri = $_SERVER['REQUEST_URI'];
if (cmp_page_matches2($pageuri, $session_pagematch)) {
return; // auth OK
}
require_once("authgui.inc");
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