1 | /* $Id: portfwd.h 69500 2017-10-28 15:14:05Z 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) 2013-2017 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 | #ifndef _portfwd_h_
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19 | #define _portfwd_h_
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20 |
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21 | #ifndef RT_OS_WINDOWS
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22 | #include <sys/types.h>
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23 | #include <sys/socket.h>
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24 | #include <netinet/in.h>
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25 | #endif
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26 |
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27 | #include "lwip/ip_addr.h"
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28 |
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29 |
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30 | struct fwspec {
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31 | int sdom; /* PF_INET, PF_INET6 */
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32 | int stype; /* SOCK_STREAM, SOCK_DGRAM */
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33 |
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34 | /* listen on */
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35 | union {
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36 | struct sockaddr sa;
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37 | struct sockaddr_in sin; /* sdom == PF_INET */
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38 | struct sockaddr_in6 sin6; /* sdom == PF_INET6 */
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39 | } src;
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40 |
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41 | /* forward to */
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42 | union {
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43 | struct sockaddr sa;
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44 | struct sockaddr_in sin; /* sdom == PF_INET */
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45 | struct sockaddr_in6 sin6; /* sdom == PF_INET6 */
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46 | } dst;
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47 | };
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48 |
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49 |
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50 | void portfwd_init(void);
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51 | int portfwd_rule_add(struct fwspec *);
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52 | int portfwd_rule_del(struct fwspec *);
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53 |
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54 |
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55 | int fwspec_set(struct fwspec *, int, int,
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56 | const char *, uint16_t,
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57 | const char *, uint16_t);
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58 |
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59 | int fwspec_equal(struct fwspec *, struct fwspec *);
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60 |
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61 | void fwtcp_init(void);
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62 | void fwudp_init(void);
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63 |
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64 | void fwtcp_add(struct fwspec *);
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65 | void fwtcp_del(struct fwspec *);
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66 | void fwudp_add(struct fwspec *);
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67 | void fwudp_del(struct fwspec *);
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68 |
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69 | int fwany_ipX_addr_set_src(ipX_addr_t *, const struct sockaddr *);
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70 |
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71 | #endif /* _portfwd_h_ */
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