1 /* $NetBSD: libpfkey.h,v 1.21 2018/09/06 09:54:36 maxv Exp $ */ 2 3 /* Id: libpfkey.h,v 1.13 2005/12/04 20:26:43 manubsd Exp */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef _LIBPFKEY_H 35 #define _LIBPFKEY_H 36 37 #ifndef KAME_LIBPFKEY_H 38 #define KAME_LIBPFKEY_H 39 40 #define PRIORITY_LOW 0xC0000000 41 #define PRIORITY_DEFAULT 0x80000000 42 #define PRIORITY_HIGH 0x40000000 43 44 #define PRIORITY_OFFSET_POSITIVE_MAX 0x3fffffff 45 #define PRIORITY_OFFSET_NEGATIVE_MAX 0x40000000 46 47 struct sadb_msg; 48 extern void pfkey_sadump(struct sadb_msg *); 49 extern void pfkey_sadump_withports(struct sadb_msg *); 50 extern void pfkey_spdump(struct sadb_msg *); 51 extern void pfkey_spdump_withports(struct sadb_msg *); 52 53 struct sockaddr; 54 struct sadb_alg; 55 56 #include <sys/types.h> 57 #include PATH_IPSEC_H 58 59 #ifndef HAVE_IPSEC_POLICY_T 60 typedef caddr_t ipsec_policy_t; 61 #ifdef __NetBSD__ 62 #define __ipsec_const const 63 #else 64 #define __ipsec_const 65 #endif 66 #else 67 #define __ipsec_const const 68 #endif 69 70 struct pfkey_send_sa_args { 71 int so; /* socket */ 72 u_int type; 73 u_int satype; 74 u_int mode; 75 struct sockaddr *src; /* IP src address for SA */ 76 struct sockaddr *dst; /* IP dst address for SA */ 77 u_int32_t spi; /* SA's spi */ 78 u_int32_t reqid; 79 u_int wsize; 80 caddr_t keymat; 81 u_int e_type, e_keylen; /* Encryption alg and keylen */ 82 u_int a_type, a_keylen; /* Authentication alg and key */ 83 u_int flags; 84 u_int32_t l_alloc; 85 u_int32_t l_bytes; 86 u_int32_t l_addtime; 87 u_int32_t l_usetime; 88 u_int32_t seq; 89 u_int8_t l_natt_type; 90 u_int16_t l_natt_sport, l_natt_dport; 91 struct sockaddr *l_natt_oa; 92 u_int16_t l_natt_frag; 93 u_int8_t ctxdoi, ctxalg; /* Security context DOI and algorithm */ 94 caddr_t ctxstr; /* Security context string */ 95 u_int16_t ctxstrlen; /* length of security context string */ 96 }; 97 98 /* The options built into libipsec */ 99 extern int libipsec_opt; 100 #define LIBIPSEC_OPT_NATT 0x01 101 #define LIBIPSEC_OPT_FRAG 0x02 102 #define LIBIPSEC_OPT_SEC_CTX 0x04 103 104 /* IPsec Library Routines */ 105 106 int ipsec_check_keylen(u_int, u_int, u_int); 107 int ipsec_check_keylen2(u_int, u_int, u_int); 108 int ipsec_get_keylen(u_int, u_int, struct sadb_alg *); 109 char *ipsec_dump_policy_withports(void *, const char *); 110 void ipsec_hexdump(const void *, int); 111 const char *ipsec_strerror(void); 112 void kdebug_sadb(struct sadb_msg *); 113 ipsec_policy_t ipsec_set_policy(__ipsec_const char *, int); 114 int ipsec_get_policylen(ipsec_policy_t); 115 char *ipsec_dump_policy(ipsec_policy_t, __ipsec_const char *); 116 117 /* PFKey Routines */ 118 119 u_int pfkey_set_softrate(u_int, u_int); 120 u_int pfkey_get_softrate(u_int); 121 int pfkey_send_getspi(int, u_int, u_int, struct sockaddr *, 122 struct sockaddr *, u_int32_t, u_int32_t, u_int32_t, u_int32_t); 123 int pfkey_send_getspi_nat(int, u_int, u_int, 124 struct sockaddr *, struct sockaddr *, u_int8_t, u_int16_t, u_int16_t, 125 u_int32_t, u_int32_t, u_int32_t, u_int32_t); 126 127 int pfkey_send_update2(struct pfkey_send_sa_args *); 128 int pfkey_send_add2(struct pfkey_send_sa_args *); 129 int pfkey_send_delete(int, u_int, u_int, 130 struct sockaddr *, struct sockaddr *, u_int32_t); 131 int pfkey_send_delete_all(int, u_int, u_int, 132 struct sockaddr *, struct sockaddr *); 133 int pfkey_send_get(int, u_int, u_int, 134 struct sockaddr *, struct sockaddr *, u_int32_t); 135 int pfkey_send_register(int, u_int); 136 int pfkey_recv_register(int); 137 int pfkey_set_supported(struct sadb_msg *, int); 138 int pfkey_send_flush(int, u_int); 139 int pfkey_send_dump(int, u_int); 140 int pfkey_send_promisc_toggle(int, int); 141 int pfkey_send_spdadd(int, struct sockaddr *, u_int, 142 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t); 143 int pfkey_send_spdadd2(int, struct sockaddr *, u_int, 144 struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t, 145 caddr_t, int, u_int32_t); 146 int pfkey_send_spdupdate(int, struct sockaddr *, u_int, 147 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t); 148 int pfkey_send_spdupdate2(int, struct sockaddr *, u_int, 149 struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t, 150 caddr_t, int, u_int32_t); 151 int pfkey_send_spddelete(int, struct sockaddr *, u_int, 152 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t); 153 int pfkey_send_spddelete2(int, u_int32_t); 154 int pfkey_send_spdget(int, u_int32_t); 155 int pfkey_send_spdsetidx(int, struct sockaddr *, u_int, 156 struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t); 157 int pfkey_send_spdflush(int); 158 int pfkey_send_spddump(int); 159 #ifdef SADB_X_MIGRATE 160 int pfkey_send_migrate(int, struct sockaddr *, struct sockaddr *, 161 struct sockaddr *, u_int, struct sockaddr *, u_int, u_int, 162 caddr_t, int, u_int32_t); 163 #endif 164 165 /* XXX should be somewhere else !!! 166 */ 167 #ifdef SADB_X_EXT_NAT_T_TYPE 168 #define PFKEY_ADDR_X_PORT(ext) (ntohs(((struct sadb_x_nat_t_port *)ext)->sadb_x_nat_t_port_port)) 169 #define PFKEY_ADDR_X_NATTYPE(ext) ( ext != NULL && ((struct sadb_x_nat_t_type *)ext)->sadb_x_nat_t_type_type ) 170 #endif 171 172 173 int pfkey_open(void); 174 void pfkey_close(int); 175 int pfkey_set_buffer_size(int, int); 176 struct sadb_msg *pfkey_recv(int); 177 int pfkey_send(int, struct sadb_msg *, int); 178 int pfkey_align(struct sadb_msg *, caddr_t *); 179 int pfkey_check(caddr_t *); 180 181 /* 182 * Deprecated, available for backward compatibility with third party 183 * libipsec users. Please use pfkey_send_update2 and pfkey_send_add2 instead 184 */ 185 int pfkey_send_update(int, u_int, u_int, struct sockaddr *, 186 struct sockaddr *, u_int32_t, u_int32_t, u_int, 187 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 188 u_int64_t, u_int64_t, u_int32_t); 189 int pfkey_send_update_nat(int, u_int, u_int, struct sockaddr *, 190 struct sockaddr *, u_int32_t, u_int32_t, u_int, 191 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 192 u_int64_t, u_int64_t, u_int32_t, 193 u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t); 194 int pfkey_send_add(int, u_int, u_int, struct sockaddr *, 195 struct sockaddr *, u_int32_t, u_int32_t, u_int, 196 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 197 u_int64_t, u_int64_t, u_int32_t); 198 int pfkey_send_add_nat(int, u_int, u_int, struct sockaddr *, 199 struct sockaddr *, u_int32_t, u_int32_t, u_int, 200 caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, 201 u_int64_t, u_int64_t, u_int32_t, 202 u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t); 203 204 #ifndef __SYSDEP_SA_LEN__ 205 #define __SYSDEP_SA_LEN__ 206 #include <netinet/in.h> 207 208 #ifndef IPPROTO_IPV4 209 #define IPPROTO_IPV4 IPPROTO_IPIP 210 #endif 211 212 #ifndef IPPROTO_IPCOMP 213 #define IPPROTO_IPCOMP IPPROTO_COMP 214 #endif 215 216 #ifndef IPPROTO_MH 217 #define IPPROTO_MH 135 218 #endif 219 220 static __inline u_int8_t 221 sysdep_sa_len (const struct sockaddr *sa) 222 { 223 #ifdef __linux__ 224 switch (sa->sa_family) 225 { 226 case AF_INET: 227 return sizeof (struct sockaddr_in); 228 case AF_INET6: 229 return sizeof (struct sockaddr_in6); 230 } 231 // log_print ("sysdep_sa_len: unknown sa family %d", sa->sa_family); 232 return sizeof (struct sockaddr_in); 233 #else 234 return sa->sa_len; 235 #endif 236 } 237 #endif 238 239 #endif /* KAME_LIBPFKEY_H */ 240 241 #endif /* _LIBPFKEY_H */ 242
Indexes created Tue May 26 00:24:38 UTC 2026