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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C)2004 USAGI/WIDE Project
*
* Authors:
* Masahide NAKAMURA @USAGI
*/
#ifndef __XFRM_H__
#define __XFRM_H__ 1
#include <stdio.h>
#include <sys/socket.h>
#include <linux/in.h>
#include <linux/xfrm.h>
#include <linux/ipsec.h>
#ifndef IPPROTO_MH
#define IPPROTO_MH 135
#endif
#define XFRMS_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_usersa_info))))
#define XFRMS_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_usersa_info))
#define XFRMP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_userpolicy_info))))
#define XFRMP_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_userpoilcy_info))
#define XFRMSID_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_usersa_id))))
#define XFRMSID_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_usersa_id))
#define XFRMPID_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_userpolicy_id))))
#define XFRMPID_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_userpoilcy_id))
#define XFRMACQ_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_acquire))))
#define XFRMEXP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_expire))))
#define XFRMPEXP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_polexpire))))
#define XFRMREP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_report))))
#define XFRMSAPD_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(__u32))))
#define XFRM_FLAG_PRINT(fp, flags, f, s) \
do { \
if (flags & f) { \
flags &= ~f; \
fprintf(fp, s "%s", (flags ? " " : "")); \
} \
} while(0)
struct xfrm_buffer {
char *buf;
int size;
int offset;
int nlmsg_count;
struct rtnl_handle *rth;
};
struct xfrm_filter {
int use;
struct xfrm_usersa_info xsinfo;
__u8 id_src_mask;
__u8 id_dst_mask;
__u8 id_proto_mask;
__u32 id_spi_mask;
__u8 mode_mask;
__u32 reqid_mask;
__u8 state_flags_mask;
struct xfrm_userpolicy_info xpinfo;
__u8 dir_mask;
__u8 sel_src_mask;
__u8 sel_dst_mask;
__u32 sel_dev_mask;
__u8 upspec_proto_mask;
__u16 upspec_sport_mask;
__u16 upspec_dport_mask;
__u32 index_mask;
__u8 action_mask;
__u32 priority_mask;
__u8 policy_flags_mask;
__u8 filter_socket;
__u8 ptype;
__u8 ptype_mask;
};
#define XFRM_FILTER_MASK_FULL (~0)
extern struct xfrm_filter filter;
int xfrm_state_print(struct nlmsghdr *n, void *arg);
int xfrm_policy_print(struct nlmsghdr *n, void *arg);
int do_xfrm_state(int argc, char **argv);
int do_xfrm_policy(int argc, char **argv);
int do_xfrm_monitor(int argc, char **argv);
int xfrm_addr_match(xfrm_address_t *x1, xfrm_address_t *x2, int bits);
int xfrm_xfrmproto_is_ipsec(__u8 proto);
int xfrm_xfrmproto_is_ro(__u8 proto);
int xfrm_xfrmproto_getbyname(char *name);
int xfrm_algotype_getbyname(char *name);
int xfrm_parse_mark(struct xfrm_mark *mark, int *argcp, char ***argvp);
const char *strxf_xfrmproto(__u8 proto);
const char *strxf_algotype(int type);
const char *strxf_mask32(__u32 mask);
const char *strxf_proto(__u8 proto);
const char *strxf_ptype(__u8 ptype);
void xfrm_selector_print(struct xfrm_selector *sel, __u16 family,
FILE *fp, const char *prefix);
void xfrm_xfrma_print(struct rtattr *tb[], __u16 family, FILE *fp,
const char *prefix, bool nokeys, bool dir);
void xfrm_state_info_print(struct xfrm_usersa_info *xsinfo,
struct rtattr *tb[], FILE *fp, const char *prefix,
const char *title, bool nokeys);
void xfrm_policy_info_print(struct xfrm_userpolicy_info *xpinfo,
struct rtattr *tb[], FILE *fp, const char *prefix,
const char *title);
int xfrm_policy_default_print(struct nlmsghdr *n, FILE *fp);
int xfrm_id_parse(xfrm_address_t *saddr, struct xfrm_id *id, __u16 *family,
int loose, int *argcp, char ***argvp);
int xfrm_mode_parse(__u8 *mode, int *argcp, char ***argvp);
int xfrm_encap_type_parse(__u16 *type, int *argcp, char ***argvp);
int xfrm_reqid_parse(__u32 *reqid, int *argcp, char ***argvp);
int xfrm_selector_parse(struct xfrm_selector *sel, int *argcp, char ***argvp);
int xfrm_lifetime_cfg_parse(struct xfrm_lifetime_cfg *lft,
int *argcp, char ***argvp);
int xfrm_sctx_parse(char *ctxstr, char *context,
struct xfrm_user_sec_ctx *sctx);
#endif
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