xfrm.h revision 5cf576d928c515ce8dea2500154a291477ce38ba 
1/* $USAGI: $ */
2
3/*
4 * Copyright (C)2004 USAGI/WIDE Project
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 */
20/*
21 * Authors:
22 *	Masahide NAKAMURA @USAGI
23 */
24
25#ifndef __XFRM_H__
26#define __XFRM_H__ 1
27
28#include <stdio.h>
29#include <sys/socket.h>
30#include <linux/xfrm.h>
31
32#ifndef IPPROTO_SCTP
33# define IPPROTO_SCTP	132
34#endif
35
36#define XFRMS_RTA(x)  ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_usersa_info))))
37#define XFRMS_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_usersa_info))
38
39#define XFRMP_RTA(x)  ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_userpolicy_info))))
40#define XFRMP_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_userpoilcy_info))
41
42#define XFRM_FLAG_PRINT(fp, flags, f, s) \
43	do { \
44		if (flags & f) { \
45			flags &= ~f; \
46			fprintf(fp, s "%s", (flags ? " " : "")); \
47		} \
48	} while(0)
49
50struct xfrm_buffer {
51	char *buf;
52	int size;
53	int offset;
54
55	int nlmsg_count;
56	struct rtnl_handle *rth;
57};
58
59struct xfrm_filter {
60	int use;
61
62	struct xfrm_usersa_info xsinfo;
63	__u8 id_src_mask;
64	__u8 id_dst_mask;
65	__u8 id_proto_mask;
66	__u32 id_spi_mask;
67	__u8 mode_mask;
68	__u32 reqid_mask;
69	__u8 state_flags_mask;
70
71	struct xfrm_userpolicy_info xpinfo;
72	__u8 dir_mask;
73	__u8 sel_src_mask;
74	__u8 sel_dst_mask;
75	__u32 sel_dev_mask;
76	__u8 upspec_proto_mask;
77	__u16 upspec_sport_mask;
78	__u16 upspec_dport_mask;
79	__u32 index_mask;
80	__u8 action_mask;
81	__u32 priority_mask;
82};
83#define XFRM_FILTER_MASK_FULL (~0)
84
85extern struct xfrm_filter filter;
86
87int do_xfrm_state(int argc, char **argv);
88int do_xfrm_policy(int argc, char **argv);
89
90int xfrm_addr_match(xfrm_address_t *x1, xfrm_address_t *x2, int bits);
91int xfrm_xfrmproto_getbyname(char *name);
92int xfrm_algotype_getbyname(char *name);
93const char *strxf_xfrmproto(__u8 proto);
94const char *strxf_algotype(int type);
95const char *strxf_mask8(__u8 mask);
96const char *strxf_mask32(__u32 mask);
97const char *strxf_share(__u8 share);
98const char *strxf_proto(__u8 proto);
99void xfrm_id_info_print(xfrm_address_t *saddr, struct xfrm_id *id,
100			__u8 mode, __u32 reqid, __u16 family, int force_spi,
101			FILE *fp, const char *prefix);
102void xfrm_stats_print(struct xfrm_stats *s, FILE *fp, const char *prefix);
103void xfrm_lifetime_print(struct xfrm_lifetime_cfg *cfg,
104			 struct xfrm_lifetime_cur *cur,
105			 FILE *fp, const char *prefix);
106void xfrm_selector_print(struct xfrm_selector *sel, __u16 family,
107			 FILE *fp, const char *prefix);
108void xfrm_xfrma_print(struct rtattr *tb[], __u16 family,
109		      FILE *fp, const char *prefix);
110int xfrm_id_parse(xfrm_address_t *saddr, struct xfrm_id *id, __u16 *family,
111		  int loose, int *argcp, char ***argvp);
112int xfrm_mode_parse(__u8 *mode, int *argcp, char ***argvp);
113int xfrm_encap_type_parse(__u16 *type, int *argcp, char ***argvp);
114int xfrm_reqid_parse(__u32 *reqid, int *argcp, char ***argvp);
115int xfrm_selector_parse(struct xfrm_selector *sel, int *argcp, char ***argvp);
116int xfrm_lifetime_cfg_parse(struct xfrm_lifetime_cfg *lft,
117			    int *argcp, char ***argvp);
118
119#endif
120