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|
package nl
import (
"unsafe"
)
const (
SizeofXfrmUsersaId = 0x18
SizeofXfrmStats = 0x0c
SizeofXfrmUsersaInfo = 0xe0
SizeofXfrmUserSpiInfo = 0xe8
SizeofXfrmAlgo = 0x44
SizeofXfrmAlgoAuth = 0x48
SizeofXfrmAlgoAEAD = 0x48
SizeofXfrmEncapTmpl = 0x18
SizeofXfrmUsersaFlush = 0x1
SizeofXfrmReplayStateEsn = 0x18
SizeofXfrmReplayState = 0x0c
)
const (
XFRM_STATE_NOECN = 1
XFRM_STATE_DECAP_DSCP = 2
XFRM_STATE_NOPMTUDISC = 4
XFRM_STATE_WILDRECV = 8
XFRM_STATE_ICMP = 16
XFRM_STATE_AF_UNSPEC = 32
XFRM_STATE_ALIGN4 = 64
XFRM_STATE_ESN = 128
)
const (
XFRM_SA_XFLAG_DONT_ENCAP_DSCP = 1
XFRM_SA_XFLAG_OSEQ_MAY_WRAP = 2
)
// struct xfrm_usersa_id {
// xfrm_address_t daddr;
// __be32 spi;
// __u16 family;
// __u8 proto;
// };
type XfrmUsersaId struct {
Daddr XfrmAddress
Spi uint32 // big endian
Family uint16
Proto uint8
Pad byte
}
func (msg *XfrmUsersaId) Len() int {
return SizeofXfrmUsersaId
}
func DeserializeXfrmUsersaId(b []byte) *XfrmUsersaId {
return (*XfrmUsersaId)(unsafe.Pointer(&b[0:SizeofXfrmUsersaId][0]))
}
func (msg *XfrmUsersaId) Serialize() []byte {
return (*(*[SizeofXfrmUsersaId]byte)(unsafe.Pointer(msg)))[:]
}
// struct xfrm_stats {
// __u32 replay_window;
// __u32 replay;
// __u32 integrity_failed;
// };
type XfrmStats struct {
ReplayWindow uint32
Replay uint32
IntegrityFailed uint32
}
func (msg *XfrmStats) Len() int {
return SizeofXfrmStats
}
func DeserializeXfrmStats(b []byte) *XfrmStats {
return (*XfrmStats)(unsafe.Pointer(&b[0:SizeofXfrmStats][0]))
}
func (msg *XfrmStats) Serialize() []byte {
return (*(*[SizeofXfrmStats]byte)(unsafe.Pointer(msg)))[:]
}
// struct xfrm_usersa_info {
// struct xfrm_selector sel;
// struct xfrm_id id;
// xfrm_address_t saddr;
// struct xfrm_lifetime_cfg lft;
// struct xfrm_lifetime_cur curlft;
// struct xfrm_stats stats;
// __u32 seq;
// __u32 reqid;
// __u16 family;
// __u8 mode; /* XFRM_MODE_xxx */
// __u8 replay_window;
// __u8 flags;
// #define XFRM_STATE_NOECN 1
// #define XFRM_STATE_DECAP_DSCP 2
// #define XFRM_STATE_NOPMTUDISC 4
// #define XFRM_STATE_WILDRECV 8
// #define XFRM_STATE_ICMP 16
// #define XFRM_STATE_AF_UNSPEC 32
// #define XFRM_STATE_ALIGN4 64
// #define XFRM_STATE_ESN 128
// };
//
// #define XFRM_SA_XFLAG_DONT_ENCAP_DSCP 1
// #define XFRM_SA_XFLAG_OSEQ_MAY_WRAP 2
//
type XfrmUsersaInfo struct {
Sel XfrmSelector
Id XfrmId
Saddr XfrmAddress
Lft XfrmLifetimeCfg
Curlft XfrmLifetimeCur
Stats XfrmStats
Seq uint32
Reqid uint32
Family uint16
Mode uint8
ReplayWindow uint8
Flags uint8
Pad [7]byte
}
func (msg *XfrmUsersaInfo) Len() int {
return SizeofXfrmUsersaInfo
}
func DeserializeXfrmUsersaInfo(b []byte) *XfrmUsersaInfo {
return (*XfrmUsersaInfo)(unsafe.Pointer(&b[0:SizeofXfrmUsersaInfo][0]))
}
func (msg *XfrmUsersaInfo) Serialize() []byte {
return (*(*[SizeofXfrmUsersaInfo]byte)(unsafe.Pointer(msg)))[:]
}
// struct xfrm_userspi_info {
// struct xfrm_usersa_info info;
// __u32 min;
// __u32 max;
// };
type XfrmUserSpiInfo struct {
XfrmUsersaInfo XfrmUsersaInfo
Min uint32
Max uint32
}
func (msg *XfrmUserSpiInfo) Len() int {
return SizeofXfrmUserSpiInfo
}
func DeserializeXfrmUserSpiInfo(b []byte) *XfrmUserSpiInfo {
return (*XfrmUserSpiInfo)(unsafe.Pointer(&b[0:SizeofXfrmUserSpiInfo][0]))
}
func (msg *XfrmUserSpiInfo) Serialize() []byte {
return (*(*[SizeofXfrmUserSpiInfo]byte)(unsafe.Pointer(msg)))[:]
}
// struct xfrm_algo {
// char alg_name[64];
// unsigned int alg_key_len; /* in bits */
// char alg_key[0];
// };
type XfrmAlgo struct {
AlgName [64]byte
AlgKeyLen uint32
AlgKey []byte
}
func (msg *XfrmAlgo) Len() int {
return SizeofXfrmAlgo + int(msg.AlgKeyLen/8)
}
func DeserializeXfrmAlgo(b []byte) *XfrmAlgo {
ret := XfrmAlgo{}
copy(ret.AlgName[:], b[0:64])
ret.AlgKeyLen = *(*uint32)(unsafe.Pointer(&b[64]))
ret.AlgKey = b[68:ret.Len()]
return &ret
}
func (msg *XfrmAlgo) Serialize() []byte {
b := make([]byte, msg.Len())
copy(b[0:64], msg.AlgName[:])
copy(b[64:68], (*(*[4]byte)(unsafe.Pointer(&msg.AlgKeyLen)))[:])
copy(b[68:msg.Len()], msg.AlgKey[:])
return b
}
// struct xfrm_algo_auth {
// char alg_name[64];
// unsigned int alg_key_len; /* in bits */
// unsigned int alg_trunc_len; /* in bits */
// char alg_key[0];
// };
type XfrmAlgoAuth struct {
AlgName [64]byte
AlgKeyLen uint32
AlgTruncLen uint32
AlgKey []byte
}
func (msg *XfrmAlgoAuth) Len() int {
return SizeofXfrmAlgoAuth + int(msg.AlgKeyLen/8)
}
func DeserializeXfrmAlgoAuth(b []byte) *XfrmAlgoAuth {
ret := XfrmAlgoAuth{}
copy(ret.AlgName[:], b[0:64])
ret.AlgKeyLen = *(*uint32)(unsafe.Pointer(&b[64]))
ret.AlgTruncLen = *(*uint32)(unsafe.Pointer(&b[68]))
ret.AlgKey = b[72:ret.Len()]
return &ret
}
func (msg *XfrmAlgoAuth) Serialize() []byte {
b := make([]byte, msg.Len())
copy(b[0:64], msg.AlgName[:])
copy(b[64:68], (*(*[4]byte)(unsafe.Pointer(&msg.AlgKeyLen)))[:])
copy(b[68:72], (*(*[4]byte)(unsafe.Pointer(&msg.AlgTruncLen)))[:])
copy(b[72:msg.Len()], msg.AlgKey[:])
return b
}
// struct xfrm_algo_aead {
// char alg_name[64];
// unsigned int alg_key_len; /* in bits */
// unsigned int alg_icv_len; /* in bits */
// char alg_key[0];
// }
type XfrmAlgoAEAD struct {
AlgName [64]byte
AlgKeyLen uint32
AlgICVLen uint32
AlgKey []byte
}
func (msg *XfrmAlgoAEAD) Len() int {
return SizeofXfrmAlgoAEAD + int(msg.AlgKeyLen/8)
}
func DeserializeXfrmAlgoAEAD(b []byte) *XfrmAlgoAEAD {
ret := XfrmAlgoAEAD{}
copy(ret.AlgName[:], b[0:64])
ret.AlgKeyLen = *(*uint32)(unsafe.Pointer(&b[64]))
ret.AlgICVLen = *(*uint32)(unsafe.Pointer(&b[68]))
ret.AlgKey = b[72:ret.Len()]
return &ret
}
func (msg *XfrmAlgoAEAD) Serialize() []byte {
b := make([]byte, msg.Len())
copy(b[0:64], msg.AlgName[:])
copy(b[64:68], (*(*[4]byte)(unsafe.Pointer(&msg.AlgKeyLen)))[:])
copy(b[68:72], (*(*[4]byte)(unsafe.Pointer(&msg.AlgICVLen)))[:])
copy(b[72:msg.Len()], msg.AlgKey[:])
return b
}
// struct xfrm_encap_tmpl {
// __u16 encap_type;
// __be16 encap_sport;
// __be16 encap_dport;
// xfrm_address_t encap_oa;
// };
type XfrmEncapTmpl struct {
EncapType uint16
EncapSport uint16 // big endian
EncapDport uint16 // big endian
Pad [2]byte
EncapOa XfrmAddress
}
func (msg *XfrmEncapTmpl) Len() int {
return SizeofXfrmEncapTmpl
}
func DeserializeXfrmEncapTmpl(b []byte) *XfrmEncapTmpl {
return (*XfrmEncapTmpl)(unsafe.Pointer(&b[0:SizeofXfrmEncapTmpl][0]))
}
func (msg *XfrmEncapTmpl) Serialize() []byte {
return (*(*[SizeofXfrmEncapTmpl]byte)(unsafe.Pointer(msg)))[:]
}
// struct xfrm_usersa_flush {
// __u8 proto;
// };
type XfrmUsersaFlush struct {
Proto uint8
}
func (msg *XfrmUsersaFlush) Len() int {
return SizeofXfrmUsersaFlush
}
func DeserializeXfrmUsersaFlush(b []byte) *XfrmUsersaFlush {
return (*XfrmUsersaFlush)(unsafe.Pointer(&b[0:SizeofXfrmUsersaFlush][0]))
}
func (msg *XfrmUsersaFlush) Serialize() []byte {
return (*(*[SizeofXfrmUsersaFlush]byte)(unsafe.Pointer(msg)))[:]
}
// struct xfrm_replay_state_esn {
// unsigned int bmp_len;
// __u32 oseq;
// __u32 seq;
// __u32 oseq_hi;
// __u32 seq_hi;
// __u32 replay_window;
// __u32 bmp[0];
// };
type XfrmReplayStateEsn struct {
BmpLen uint32
OSeq uint32
Seq uint32
OSeqHi uint32
SeqHi uint32
ReplayWindow uint32
Bmp []uint32
}
func (msg *XfrmReplayStateEsn) Serialize() []byte {
// We deliberately do not pass Bmp, as it gets set by the kernel.
return (*(*[SizeofXfrmReplayStateEsn]byte)(unsafe.Pointer(msg)))[:]
}
// struct xfrm_replay_state {
// __u32 oseq;
// __u32 seq;
// __u32 bitmap;
// };
type XfrmReplayState struct {
OSeq uint32
Seq uint32
BitMap uint32
}
func DeserializeXfrmReplayState(b []byte) *XfrmReplayState {
return (*XfrmReplayState)(unsafe.Pointer(&b[0:SizeofXfrmReplayState][0]))
}
func (msg *XfrmReplayState) Serialize() []byte {
return (*(*[SizeofXfrmReplayState]byte)(unsafe.Pointer(msg)))[:]
}
|
