xt_policy.h
#ifndef _XT_POLICY_H
#define _XT_POLICY_H
#define XT_POLICY_MAX_ELEM 4
enum xt_policy_flags
{
XT_POLICY_MATCH_IN = 0x1,
XT_POLICY_MATCH_OUT = 0x2,
XT_POLICY_MATCH_NONE = 0x4,
XT_POLICY_MATCH_STRICT = 0x8,
};
enum xt_policy_modes
{
XT_POLICY_MODE_TRANSPORT,
XT_POLICY_MODE_TUNNEL
};
struct xt_policy_spec
{
u_int8_t saddr:1,
daddr:1,
proto:1,
mode:1,
spi:1,
reqid:1;
};
union xt_policy_addr
{
struct in_addr a4;
struct in6_addr a6;
};
struct xt_policy_elem
{
union xt_policy_addr saddr;
union xt_policy_addr smask;
union xt_policy_addr daddr;
union xt_policy_addr dmask;
u_int32_t spi;
u_int32_t reqid;
u_int8_t proto;
u_int8_t mode;
struct xt_policy_spec match;
struct xt_policy_spec invert;
};
struct xt_policy_info
{
struct xt_policy_elem pol[XT_POLICY_MAX_ELEM];
u_int16_t flags;
u_int16_t len;
};
#endif /* _XT_POLICY_H */