NetworkServices/NAT/portfwd.h

	portfwd.h revision a218a3f92594b5f2beb9c8298c6fe6e3a8e502f8
/* -*- indent-tabs-mode: nil; -*- */
#ifndef _portfwd_h_
#define _portfwd_h_

#ifndef RT_OS_WINDOWS
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#else
# include <ws2ipdef.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 *);

/* XXX: for testing */
#ifdef VBOX
#define PROXY_GUEST_IPV4 "10.0.2.15"
#else
#define PROXY_GUEST_IPV4 "192.168.2.11"
#endif

#endif /* _portfwd_h_ */