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