1 | /* $Id: portfwd.h 106061 2024-09-16 14:03:52Z 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) 2013-2024 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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