portfwd.h revision 23bcfa32fddbe29a8c4c40d3bcfa4693a555c177
/* $Id$ */
/** @file
* NAT Network - port-forwarding rules, definitions and declarations.
*/
/*
* Copyright (C) 2013-2014 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef _portfwd_h_
#define _portfwd_h_
#ifndef RT_OS_WINDOWS
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#include "lwip/ip_addr.h"
struct fwspec {
int sdom; /* PF_INET, PF_INET6 */
int stype; /* SOCK_STREAM, SOCK_DGRAM */
/* listen on */
union {
struct sockaddr sa;
struct sockaddr_in sin; /* sdom == PF_INET */
struct sockaddr_in6 sin6; /* sdom == PF_INET6 */
} src;
/* forward to */
union {
struct sockaddr sa;
struct sockaddr_in sin; /* sdom == PF_INET */
struct sockaddr_in6 sin6; /* sdom == PF_INET6 */
} dst;
};
void portfwd_init(void);
int portfwd_rule_add(struct fwspec *);
int portfwd_rule_del(struct fwspec *);
int fwspec_set(struct fwspec *, int, int,
const char *, uint16_t,
const char *, uint16_t);
int fwspec_equal(struct fwspec *, struct fwspec *);
void fwtcp_init(void);
void fwudp_init(void);
void fwtcp_add(struct fwspec *);
void fwtcp_del(struct fwspec *);
void fwudp_add(struct fwspec *);
void fwudp_del(struct fwspec *);
int fwany_ipX_addr_set_src(ipX_addr_t *, const struct sockaddr *);
#endif /* _portfwd_h_ */