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97 lines
3.4 KiB
PHP
Executable File
97 lines
3.4 KiB
PHP
Executable File
#!/usr/local/bin/php
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<?php
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/**
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* Copyright (C) 2016 Deciso B.V.
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*
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* All rights reserved.
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*
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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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*
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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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*
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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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*
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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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*
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*/
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require_once("config.inc");
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require_once("auth.inc");
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// parse received auth data (key=value combinations separated by "\0")
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// user=<name>
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// password=<password>
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// service=<pam service> (to be implemented)
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$fp = fopen('php://stdin', 'r');
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$auth_data = array();
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$line = '';
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while (($char = fgetc($fp)) !== false) {
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if ($char !== "\0") {
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$line .= $char;
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} elseif (strlen($line)) {
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$parts = explode('=', $line, 2);
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if (count($parts) == 2) {
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$auth_data[$parts[0]] = $parts[1];
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}
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$line = '';
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} else {
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break;
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}
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}
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$exit_status = -1;
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if (!empty($auth_data['user']) && isset($auth_data['password'])) {
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$authcfg = auth_get_authserver("Local Database");
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$authcfg_fallback = auth_get_authserver("Local Database");
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if (isset($config['system']['webgui']['authmode'])) {
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$authcfg = auth_get_authserver($config['system']['webgui']['authmode']);
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}
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if (!empty($config['system']['webgui']['authmode_fallback'])) {
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if ($config['system']['webgui']['authmode_fallback'] == "__NO_FALLBACK__") {
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// no fallback
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$authcfg_fallback = false;
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} else {
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$authcfg_fallback = auth_get_authserver($config['system']['webgui']['authmode_fallback']);
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}
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}
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if (authenticate_user($auth_data['user'], $auth_data['password'], $authcfg)) {
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// auth OK
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syslog(LOG_NOTICE, "user '".$auth_data['user']."' authenticated successfully\n");
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$exit_status = 0;
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} elseif ($authcfg != $authcfg_fallback && $authcfg_fallback !== false &&
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authenticate_user($auth_data['user'], $auth_data['password'], $authcfg_fallback)) {
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// auth OK, using fallback
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syslog(LOG_NOTICE, "user '".$auth_data['user']."' authenticated successfully (using fallback)\n");
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$exit_status = 0;
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} else {
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if (getUserEntry($auth_data['user']) === false) {
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$exit_status = 2;
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}
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syslog(LOG_WARNING, "user '".$auth_data['user']."' could not authenticate.\n");
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}
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}
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// failed auth, return exit status -1
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closelog();
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exit($exit_status);
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