VirtualBox

source: vbox/trunk/src/VBox/NetworkServices/NAT/portfwd.h@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 21 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 2.2 KB
Line 
1/* $Id: portfwd.h 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * NAT Network - port-forwarding rules, definitions and declarations.
4 */
5
6/*
7 * Copyright (C) 2013-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef VBOX_INCLUDED_SRC_NAT_portfwd_h
29#define VBOX_INCLUDED_SRC_NAT_portfwd_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34#ifndef RT_OS_WINDOWS
35#include <sys/types.h>
36#include <sys/socket.h>
37#include <netinet/in.h>
38#endif
39
40#include "lwip/ip_addr.h"
41
42
43struct fwspec {
44 int sdom; /* PF_INET, PF_INET6 */
45 int stype; /* SOCK_STREAM, SOCK_DGRAM */
46
47 /* listen on */
48 union {
49 struct sockaddr sa;
50 struct sockaddr_in sin; /* sdom == PF_INET */
51 struct sockaddr_in6 sin6; /* sdom == PF_INET6 */
52 } src;
53
54 /* forward to */
55 union {
56 struct sockaddr sa;
57 struct sockaddr_in sin; /* sdom == PF_INET */
58 struct sockaddr_in6 sin6; /* sdom == PF_INET6 */
59 } dst;
60};
61
62
63void portfwd_init(void);
64int portfwd_rule_add(struct fwspec *);
65int portfwd_rule_del(struct fwspec *);
66
67
68int fwspec_set(struct fwspec *, int, int,
69 const char *, uint16_t,
70 const char *, uint16_t);
71
72int fwspec_equal(struct fwspec *, struct fwspec *);
73
74void fwtcp_init(void);
75void fwudp_init(void);
76
77void fwtcp_add(struct fwspec *);
78void fwtcp_del(struct fwspec *);
79void fwudp_add(struct fwspec *);
80void fwudp_del(struct fwspec *);
81
82int fwany_ipX_addr_set_src(ipX_addr_t *, const struct sockaddr *);
83
84#endif /* !VBOX_INCLUDED_SRC_NAT_portfwd_h */
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