2 * OpenVPN -- An application to securely tunnel IP networks
3 * over a single TCP/UDP port, with support for SSL/TLS-based
4 * session authentication and key exchange,
5 * packet encryption, packet authentication, and
8 * Copyright (C) 2002-2009 OpenVPN Technologies, Inc. <sales@openvpn.net>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2
12 * as published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program (see the file COPYING included with this
21 * distribution); if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31 #ifdef GENERAL_PROXY_SUPPORT
34 * Return value for get_proxy_settings to automatically
35 * determine proxy information.
37 struct auto_proxy_info_entry
{
42 struct auto_proxy_info
{
43 struct auto_proxy_info_entry http
;
44 struct auto_proxy_info_entry socks
;
47 struct auto_proxy_info
*get_proxy_settings (char **err
, struct gc_arena
*gc
);
50 void show_win_proxy_settings (const int msglevel
);
53 #endif /* GENERAL_PROXY_SUPPORT */
55 #ifdef ENABLE_HTTP_PROXY
57 /* HTTP CONNECT authentication methods */
58 #define HTTP_AUTH_NONE 0
59 #define HTTP_AUTH_BASIC 1
60 #define HTTP_AUTH_NTLM 2
62 #define HTTP_AUTH_NTLM2 4
64 struct http_proxy_options
{
70 const char *auth_method_string
;
71 const char *auth_file
;
72 const char *http_version
;
73 const char *user_agent
;
76 struct http_proxy_info
{
79 struct http_proxy_options options
;
83 struct http_proxy_info
*http_proxy_new (const struct http_proxy_options
*o
,
84 struct auto_proxy_info
*auto_proxy_info
);
86 void http_proxy_close (struct http_proxy_info
*hp
);
88 bool establish_http_proxy_passthru (struct http_proxy_info
*p
,
89 socket_descriptor_t sd
, /* already open to proxy */
90 const char *host
, /* openvpn server remote */
91 const int port
, /* openvpn server port */
92 struct buffer
*lookahead
,
93 volatile int *signal_received
);
95 uint8_t *make_base64_string2 (const uint8_t *str
, int str_len
, struct gc_arena
*gc
);
96 uint8_t *make_base64_string (const uint8_t *str
, struct gc_arena
*gc
);
98 #endif /* ENABLE_HTTP_PROXY */