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