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, see <http://www.gnu.org/licenses>. 18 */ 19 /* 20 * Authors: 21 * Masahide NAKAMURA @USAGI 22 */ 23 24 #ifndef __XFRM_H__ 25 #define __XFRM_H__ 1 26 27 #include <stdio.h> 28 #include <sys/socket.h> 29 #include <linux/xfrm.h> 30 31 #ifndef IPPROTO_SCTP 32 # define IPPROTO_SCTP 132 33 #endif 34 #ifndef IPPROTO_DCCP 35 # define IPPROTO_DCCP 33 36 #endif 37 #ifndef IPPROTO_MH 38 # define IPPROTO_MH 135 39 #endif 40 41 #define XFRMS_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_usersa_info)))) 42 #define XFRMS_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_usersa_info)) 43 44 #define XFRMP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_userpolicy_info)))) 45 #define XFRMP_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_userpoilcy_info)) 46 47 #define XFRMSID_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_usersa_id)))) 48 #define XFRMSID_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_usersa_id)) 49 50 #define XFRMPID_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_userpolicy_id)))) 51 #define XFRMPID_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_userpoilcy_id)) 52 53 #define XFRMACQ_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_acquire)))) 54 #define XFRMEXP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_expire)))) 55 #define XFRMPEXP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_polexpire)))) 56 57 #define XFRMREP_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_user_report)))) 58 59 #define XFRMSAPD_RTA(x) ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(__u32)))) 60 #define XFRM_FLAG_PRINT(fp, flags, f, s) \ 61 do { \ 62 if (flags & f) { \ 63 flags &= ~f; \ 64 fprintf(fp, s "%s", (flags ? " " : "")); \ 65 } \ 66 } while(0) 67 68 struct xfrm_buffer { 69 char *buf; 70 int size; 71 int offset; 72 73 int nlmsg_count; 74 struct rtnl_handle *rth; 75 }; 76 77 struct xfrm_filter { 78 int use; 79 80 struct xfrm_usersa_info xsinfo; 81 __u8 id_src_mask; 82 __u8 id_dst_mask; 83 __u8 id_proto_mask; 84 __u32 id_spi_mask; 85 __u8 mode_mask; 86 __u32 reqid_mask; 87 __u8 state_flags_mask; 88 89 struct xfrm_userpolicy_info xpinfo; 90 __u8 dir_mask; 91 __u8 sel_src_mask; 92 __u8 sel_dst_mask; 93 __u32 sel_dev_mask; 94 __u8 upspec_proto_mask; 95 __u16 upspec_sport_mask; 96 __u16 upspec_dport_mask; 97 __u32 index_mask; 98 __u8 action_mask; 99 __u32 priority_mask; 100 __u8 policy_flags_mask; 101 102 __u8 ptype; 103 __u8 ptype_mask; 104 105 }; 106 #define XFRM_FILTER_MASK_FULL (~0) 107 108 extern struct xfrm_filter filter; 109 110 int xfrm_state_print(const struct sockaddr_nl *who, struct nlmsghdr *n, 111 void *arg); 112 int xfrm_policy_print(const struct sockaddr_nl *who, struct nlmsghdr *n, 113 void *arg); 114 int do_xfrm_state(int argc, char **argv); 115 int do_xfrm_policy(int argc, char **argv); 116 int do_xfrm_monitor(int argc, char **argv); 117 118 int xfrm_addr_match(xfrm_address_t *x1, xfrm_address_t *x2, int bits); 119 int xfrm_xfrmproto_is_ipsec(__u8 proto); 120 int xfrm_xfrmproto_is_ro(__u8 proto); 121 int xfrm_xfrmproto_getbyname(char *name); 122 int xfrm_algotype_getbyname(char *name); 123 int xfrm_parse_mark(struct xfrm_mark *mark, int *argcp, char ***argvp); 124 const char *strxf_xfrmproto(__u8 proto); 125 const char *strxf_algotype(int type); 126 const char *strxf_mask8(__u8 mask); 127 const char *strxf_mask32(__u32 mask); 128 const char *strxf_share(__u8 share); 129 const char *strxf_proto(__u8 proto); 130 const char *strxf_ptype(__u8 ptype); 131 void xfrm_id_info_print(xfrm_address_t *saddr, struct xfrm_id *id, 132 __u8 mode, __u32 reqid, __u16 family, int force_spi, 133 FILE *fp, const char *prefix, const char *title); 134 void xfrm_stats_print(struct xfrm_stats *s, FILE *fp, const char *prefix); 135 void xfrm_lifetime_print(struct xfrm_lifetime_cfg *cfg, 136 struct xfrm_lifetime_cur *cur, 137 FILE *fp, const char *prefix); 138 void xfrm_selector_print(struct xfrm_selector *sel, __u16 family, 139 FILE *fp, const char *prefix); 140 void xfrm_xfrma_print(struct rtattr *tb[], __u16 family, 141 FILE *fp, const char *prefix); 142 void xfrm_state_info_print(struct xfrm_usersa_info *xsinfo, 143 struct rtattr *tb[], FILE *fp, const char *prefix, 144 const char *title); 145 void xfrm_policy_info_print(struct xfrm_userpolicy_info *xpinfo, 146 struct rtattr *tb[], FILE *fp, const char *prefix, 147 const char *title); 148 int xfrm_id_parse(xfrm_address_t *saddr, struct xfrm_id *id, __u16 *family, 149 int loose, int *argcp, char ***argvp); 150 int xfrm_mode_parse(__u8 *mode, int *argcp, char ***argvp); 151 int xfrm_encap_type_parse(__u16 *type, int *argcp, char ***argvp); 152 int xfrm_reqid_parse(__u32 *reqid, int *argcp, char ***argvp); 153 int xfrm_selector_parse(struct xfrm_selector *sel, int *argcp, char ***argvp); 154 int xfrm_lifetime_cfg_parse(struct xfrm_lifetime_cfg *lft, 155 int *argcp, char ***argvp); 156 int xfrm_sctx_parse(char *ctxstr, char *context, 157 struct xfrm_user_sec_ctx *sctx); 158 #endif 159
