Current File : //backups/router/usr/local/libexec/opnsense-auth
#!/usr/local/bin/php
<?php
/*
* Copyright (C) 2016-2019 Deciso B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
require_once("config.inc");
require_once("auth.inc");
/*
* parse received auth data (key=value combinations separated by "\0")
* user=<name>
* password=<password>
* service=<pam service>
*/
$fp = fopen('php://stdin', 'r');
$auth_data = array();
$line = '';
while (($char = fgetc($fp)) !== false) {
if ($char !== "\0") {
$line .= $char;
} elseif (strlen($line)) {
$parts = explode('=', $line, 2);
if (count($parts) == 2) {
$auth_data[$parts[0]] = $parts[1];
}
$line = '';
} else {
break;
}
}
$is_authenticated = false;
$exit_status = -1;
if (!empty($auth_data['user']) && isset($auth_data['password'])) {
$authFactory = new \OPNsense\Auth\AuthenticationFactory();
$is_authenticated = $authFactory->authenticate($auth_data['service'], $auth_data['user'], $auth_data['password']);
if ($is_authenticated) {
$authProps = $authFactory->getLastAuthProperties();
//XXX: basic_pam_auth passes additional output, we probably need a smarter way to detect if a service would like to receive additional properties.
if (!empty($authProps) && $auth_data['service'] != "squid") {
/* dump authentication response data to stdout */
echo json_encode($authProps, JSON_INVALID_UTF8_IGNORE) ."\n";
}
$exit_status = 0;
} else {
if (getUserEntry($auth_data['user']) === false) {
/* signal user unknown, so PAM may consider other options */
$exit_status = 2;
}
}
}
exit($exit_status);
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