1/*
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
6 *             packet compression.
7 *
8 *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
9 *
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.
13 *
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.
18 *
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
23 */
24
25#ifndef PUSH_H
26#define PUSH_H
27
28#if P2MP
29
30#include "forward.h"
31
32#define PUSH_MSG_ERROR            0
33#define PUSH_MSG_REQUEST          1
34#define PUSH_MSG_REPLY            2
35#define PUSH_MSG_REQUEST_DEFERRED 3
36#define PUSH_MSG_AUTH_FAILURE     4
37#define PUSH_MSG_CONTINUATION     5
38#define PUSH_MSG_ALREADY_REPLIED  6
39
40void incoming_push_message (struct context *c,
41			    const struct buffer *buffer);
42
43int process_incoming_push_msg (struct context *c,
44			       const struct buffer *buffer,
45			       bool honor_received_options,
46			       unsigned int permission_mask,
47			       unsigned int *option_types_found);
48
49bool send_push_request (struct context *c);
50
51void receive_auth_failed (struct context *c, const struct buffer *buffer);
52
53void server_pushed_signal (struct context *c, const struct buffer *buffer, const bool restart, const int adv);
54
55#if P2MP_SERVER
56
57void clone_push_list (struct options *o);
58
59void push_option (struct options *o, const char *opt, int msglevel);
60void push_options (struct options *o, char **p, int msglevel, struct gc_arena *gc);
61
62void push_reset (struct options *o);
63
64bool send_push_reply (struct context *c);
65
66void remove_iroutes_from_push_route_list (struct options *o);
67
68void send_auth_failed (struct context *c, const char *client_reason);
69
70void send_restart (struct context *c, const char *kill_msg);
71
72#endif
73#endif
74#endif
75