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cb7d18d5
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Renato Botelho
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#!/usr/local/bin/php-cgi -f
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3c11bd3c
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Matthew Grooms
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<?php
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/*
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8acd654a
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Renato Botelho
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* openvpn.auth-user.php
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*
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* part of pfSense (https://www.pfsense.org)
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aaec5634
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Renato Botelho
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* Copyright (c) 2008 Shrew Soft Inc
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2a2396a6
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Renato Botelho
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* Copyright (c) 2008-2016 Rubicon Communications, LLC (Netgate)
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8acd654a
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Renato Botelho
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgment:
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* "This product includes software developed by the pfSense Project
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* for use in the pfSense® software distribution. (http://www.pfsense.org/).
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*
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* 4. The names "pfSense" and "pfSense Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* coreteam@pfsense.org.
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*
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* 5. Products derived from this software may not be called "pfSense"
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* nor may "pfSense" appear in their names without prior written
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* permission of the Electric Sheep Fencing, LLC.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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*
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* "This product includes software developed by the pfSense Project
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* for use in the pfSense software distribution (http://www.pfsense.org/).
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*
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* THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* 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
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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3c11bd3c
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Matthew Grooms
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/*
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* OpenVPN calls this script to authenticate a user
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* based on a username and password. We lookup these
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* in our config.xml file and check the credentials.
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*/
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befad728
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Ermal
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require_once("globals.inc");
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3c11bd3c
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Matthew Grooms
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require_once("config.inc");
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cc686d98
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Ermal Lu?i
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require_once("radius.inc");
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a13ce628
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Ermal Lu?i
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require_once("auth.inc");
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cc686d98
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Ermal Lu?i
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require_once("interfaces.inc");
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3c11bd3c
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Matthew Grooms
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cc686d98
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Ermal Lu?i
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/**
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* Get the NAS-Identifier
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*
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10d4fe2e
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Phil Davis
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* We will return "openVPN" so that connections can be distinguished by the Radius
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cc686d98
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Ermal Lu?i
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*/
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if (!function_exists("getNasID")) {
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086cf944
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Phil Davis
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function getNasID() {
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10d4fe2e
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Phil Davis
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return "openVPN";
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cc686d98
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Ermal Lu?i
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}
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}
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/**
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* Get the NAS-IP-Address based on the current wan address
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*
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* Use functions in interfaces.inc to find this out
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*
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*/
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if (!function_exists("getNasIP")) {
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086cf944
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Phil Davis
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function getNasIP() {
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b37a2e8c
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Phil Davis
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$nasIp = get_interface_ip();
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if (!$nasIp) {
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$nasIp = "0.0.0.0";
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}
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return $nasIp;
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cc686d98
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Ermal Lu?i
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}
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}
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10d4fe2e
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Phil Davis
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/**
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* Set the NAS-Port-Type
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*
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* Should be "Virtual" since that denotes VPN connections
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*/
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if (!function_exists("getNasPortType")) {
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function getNasPortType() {
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return RADIUS_VIRTUAL;
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}
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}
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/**
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* Set the NAS-Port
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*
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* We will return the port the client connected to
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*/
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if (!function_exists("getNasPort")) {
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function getNasPort() {
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return $_GET['nas_port'];
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}
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}
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/**
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* Set the Called-Station-ID
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*
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* We will return the IP and port the client connected to
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*/
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if (!function_exists("getCalledStationId")) {
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function getCalledStationId() {
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return get_interface_ip() . ":" . getNasPort();
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}
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}
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3c11bd3c
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Matthew Grooms
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/* setup syslog logging */
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openlog("openvpn", LOG_ODELAY, LOG_AUTH);
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8fa0a534
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Ermal LUÇI
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if (isset($_GET['username'])) {
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f24b6fb6
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jim-p
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$authmodes = explode(",", base64_decode($_GET['authcfg']));
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a3d88018
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Edin Sarajlic
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/* Any string retrieved through $_GET is automatically urlDecoded */
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$username = base64_decode($_GET['username']);
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$password = base64_decode($_GET['password']);
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5e28dad4
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Ermal
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$common_name = $_GET['cn'];
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$modeid = $_GET['modeid'];
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$strictusercn = $_GET['strictcn'] == "false" ? false : true;
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} else {
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/* read data from environment */
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$username = getenv("username");
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$password = getenv("password");
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$common_name = getenv("common_name");
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}
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3c11bd3c
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Matthew Grooms
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if (!$username || !$password) {
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1f5309a3
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Matthew Grooms
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syslog(LOG_ERR, "invalid user authentication environment");
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8fa0a534
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Ermal LUÇI
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if (isset($_GET['username'])) {
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5e28dad4
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Ermal
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echo "FAILED";
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b2af12ad
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Ermal
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closelog();
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5e28dad4
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Ermal
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return;
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b2af12ad
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Ermal
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} else {
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closelog();
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52550ca5
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Ermal LUÇI
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return (-1);
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b2af12ad
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Ermal
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}
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3c11bd3c
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Matthew Grooms
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}
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b37a2e8c
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Phil Davis
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/* Replaced by a sed with proper variables used below(ldap parameters). */
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c61e4626
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Ermal Lu?i
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//<template>
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1492e02c
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Ermal
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if (file_exists("{$g['varetc_path']}/openvpn/{$modeid}.ca")) {
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putenv("LDAPTLS_CACERT={$g['varetc_path']}/openvpn/{$modeid}.ca");
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putenv("LDAPTLS_REQCERT=never");
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}
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c61e4626
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Ermal Lu?i
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$authenticated = false;
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8901958c
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jim-p
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5319cf40
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Talle
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if (($strictusercn === true) && (mb_strtolower($common_name) !== mb_strtolower($username))) {
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8901958c
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jim-p
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syslog(LOG_WARNING, "Username does not match certificate common name ({$username} != {$common_name}), access denied.\n");
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8fa0a534
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Ermal LUÇI
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if (isset($_GET['username'])) {
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5e28dad4
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Ermal
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echo "FAILED";
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b2af12ad
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Ermal
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closelog();
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5e28dad4
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Ermal
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return;
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b2af12ad
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Ermal
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} else {
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closelog();
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52550ca5
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Ermal LUÇI
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return (1);
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b2af12ad
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Ermal
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}
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5e28dad4
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Ermal
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}
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if (!is_array($authmodes)) {
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syslog(LOG_WARNING, "No authentication server has been selected to authenticate against. Denying authentication for user {$username}");
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8fa0a534
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Ermal LUÇI
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if (isset($_GET['username'])) {
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| 183 |
5e28dad4
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Ermal
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echo "FAILED";
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| 184 |
b2af12ad
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Ermal
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closelog();
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5e28dad4
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Ermal
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return;
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| 186 |
b2af12ad
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Ermal
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} else {
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closelog();
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| 188 |
52550ca5
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Ermal LUÇI
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return (1);
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| 189 |
b2af12ad
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Ermal
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}
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| 190 |
8901958c
|
jim-p
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}
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1492e02c
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Ermal
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$attributes = array();
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c61e4626
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Ermal Lu?i
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foreach ($authmodes as $authmode) {
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$authcfg = auth_get_authserver($authmode);
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| 195 |
821a4351
|
Renato Botelho
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if (!$authcfg && $authmode != "Local Database") {
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| 196 |
c61e4626
|
Ermal Lu?i
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continue;
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| 197 |
b37a2e8c
|
Phil Davis
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}
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| 198 |
c61e4626
|
Ermal Lu?i
|
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| 199 |
1492e02c
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Ermal
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$authenticated = authenticate_user($username, $password, $authcfg, $attributes);
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b37a2e8c
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Phil Davis
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if ($authenticated == true) {
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006a162f
|
Ermal Lu?i
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break;
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b37a2e8c
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Phil Davis
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}
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| 203 |
c61e4626
|
Ermal Lu?i
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}
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| 205 |
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if ($authenticated == false) {
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| 206 |
3260b82f
|
Ermal
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syslog(LOG_WARNING, "user '{$username}' could not authenticate.\n");
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| 207 |
8fa0a534
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Ermal LUÇI
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if (isset($_GET['username'])) {
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| 208 |
5e28dad4
|
Ermal
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echo "FAILED";
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| 209 |
b2af12ad
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Ermal
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closelog();
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| 210 |
5e28dad4
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Ermal
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return;
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| 211 |
b2af12ad
|
Ermal
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} else {
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| 212 |
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closelog();
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| 213 |
52550ca5
|
Ermal LUÇI
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return (-1);
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| 214 |
b2af12ad
|
Ermal
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}
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| 215 |
3c11bd3c
|
Matthew Grooms
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}
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| 216 |
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| 217 |
b37a2e8c
|
Phil Davis
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if (file_exists("/etc/inc/openvpn.attributes.php")) {
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include_once("/etc/inc/openvpn.attributes.php");
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}
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| 221 |
1492e02c
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Ermal
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$content = "";
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if (is_array($attributes['dns-servers'])) {
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| 223 |
b37a2e8c
|
Phil Davis
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foreach ($attributes['dns-servers'] as $dnssrv) {
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| 224 |
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if (is_ipaddr($dnssrv)) {
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$content .= "push \"dhcp-option DNS {$dnssrv}\"\n";
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}
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}
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| 228 |
1492e02c
|
Ermal
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}
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| 229 |
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if (is_array($attributes['routes'])) {
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| 230 |
b37a2e8c
|
Phil Davis
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foreach ($attributes['routes'] as $route) {
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| 231 |
5e28dad4
|
Ermal
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$content .= "push \"route {$route} vpn_gateway\"\n";
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| 232 |
b37a2e8c
|
Phil Davis
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}
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| 233 |
1492e02c
|
Ermal
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}
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| 234 |
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| 235 |
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if (isset($attributes['framed_ip'])) {
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| 236 |
ee8f9940
|
doktornotor
|
if (isset($attributes['framed_mask'])) {
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| 237 |
b37a2e8c
|
Phil Davis
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$content .= "topology subnet\n";
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| 238 |
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$content .= "ifconfig-push {$attributes['framed_ip']} {$attributes['framed_mask']}";
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| 239 |
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} else {
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| 240 |
ee8f9940
|
doktornotor
|
$content .= "topology net30\n";
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| 241 |
356ec787
|
doktornotor
|
$content .= "ifconfig-push {$attributes['framed_ip']} ". long2ip((ip2long($attributes['framed_ip']) - 1));
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| 242 |
ee8f9940
|
doktornotor
|
}
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| 243 |
b37a2e8c
|
Phil Davis
|
}
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| 244 |
|
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| 245 |
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if (!empty($content)) {
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| 246 |
|
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@file_put_contents("{$g['tmp_path']}/{$username}", $content);
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| 247 |
1492e02c
|
Ermal
|
}
|
| 248 |
|
|
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| 249 |
3260b82f
|
Ermal
|
syslog(LOG_NOTICE, "user '{$username}' authenticated\n");
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| 250 |
b2af12ad
|
Ermal
|
closelog();
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| 251 |
a13ce628
|
Ermal Lu?i
|
|
| 252 |
b37a2e8c
|
Phil Davis
|
if (isset($_GET['username'])) {
|
| 253 |
5e28dad4
|
Ermal
|
echo "OK";
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| 254 |
b37a2e8c
|
Phil Davis
|
} else {
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| 255 |
52550ca5
|
Ermal LUÇI
|
return (0);
|
| 256 |
b37a2e8c
|
Phil Davis
|
}
|
| 257 |
3c11bd3c
|
Matthew Grooms
|
|
| 258 |
fe2031ab
|
Ermal
|
?>
|