/* $NetBSD: libpfkey.h,v 1.18 2010/12/03 14:32:52 tteras Exp $ */ /* Id: libpfkey.h,v 1.13 2005/12/04 20:26:43 manubsd Exp */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _LIBPFKEY_H #define _LIBPFKEY_H #ifndef KAME_LIBPFKEY_H #define KAME_LIBPFKEY_H #define PRIORITY_LOW 0xC0000000 #define PRIORITY_DEFAULT 0x80000000 #define PRIORITY_HIGH 0x40000000 #define PRIORITY_OFFSET_POSITIVE_MAX 0x3fffffff #define PRIORITY_OFFSET_NEGATIVE_MAX 0x40000000 struct sadb_msg; extern void pfkey_sadump __P((struct sadb_msg *)); extern void pfkey_sadump_withports __P((struct sadb_msg *)); extern void pfkey_spdump __P((struct sadb_msg *)); extern void pfkey_spdump_withports __P((struct sadb_msg *)); struct sockaddr; struct sadb_alg; /* Accomodate different prototypes in */ #include #include PATH_IPSEC_H #ifndef HAVE_IPSEC_POLICY_T typedef caddr_t ipsec_policy_t; #define __ipsec_const #else #define __ipsec_const const #endif struct pfkey_send_sa_args { int so; /* socket */ u_int type; u_int satype; u_int mode; struct sockaddr *src; /* IP src address for SA */ struct sockaddr *dst; /* IP dst address for SA */ u_int32_t spi; /* SA's spi */ u_int32_t reqid; u_int wsize; caddr_t keymat; u_int e_type, e_keylen; /* Encryption alg and keylen */ u_int a_type, a_keylen; /* Authentication alg and key */ u_int flags; u_int32_t l_alloc; u_int32_t l_bytes; u_int32_t l_addtime; u_int32_t l_usetime; u_int32_t seq; u_int8_t l_natt_type; u_int16_t l_natt_sport, l_natt_dport; struct sockaddr *l_natt_oa; u_int16_t l_natt_frag; u_int8_t ctxdoi, ctxalg; /* Security context DOI and algorithm */ caddr_t ctxstr; /* Security context string */ u_int16_t ctxstrlen; /* length of security context string */ }; /* The options built into libipsec */ extern int libipsec_opt; #define LIBIPSEC_OPT_NATT 0x01 #define LIBIPSEC_OPT_FRAG 0x02 #define LIBIPSEC_OPT_SEC_CTX 0x04 /* IPsec Library Routines */ int ipsec_check_keylen __P((u_int, u_int, u_int)); int ipsec_check_keylen2 __P((u_int, u_int, u_int)); int ipsec_get_keylen __P((u_int, u_int, struct sadb_alg *)); char *ipsec_dump_policy_withports __P((void *, const char *)); void ipsec_hexdump __P((const void *, int)); const char *ipsec_strerror __P((void)); void kdebug_sadb __P((struct sadb_msg *)); ipsec_policy_t ipsec_set_policy __P((__ipsec_const char *, int)); int ipsec_get_policylen __P((ipsec_policy_t)); char *ipsec_dump_policy __P((ipsec_policy_t, __ipsec_const char *)); /* PFKey Routines */ u_int pfkey_set_softrate __P((u_int, u_int)); u_int pfkey_get_softrate __P((u_int)); int pfkey_send_getspi __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *, u_int32_t, u_int32_t, u_int32_t, u_int32_t)); int pfkey_send_getspi_nat __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *, u_int8_t, u_int16_t, u_int16_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t)); int pfkey_send_update2 __P((struct pfkey_send_sa_args *)); int pfkey_send_add2 __P((struct pfkey_send_sa_args *)); int pfkey_send_delete __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *, u_int32_t)); int pfkey_send_delete_all __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *)); int pfkey_send_get __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *, u_int32_t)); int pfkey_send_register __P((int, u_int)); int pfkey_recv_register __P((int)); int pfkey_set_supported __P((struct sadb_msg *, int)); int pfkey_send_flush __P((int, u_int)); int pfkey_send_dump __P((int, u_int)); int pfkey_send_promisc_toggle __P((int, int)); int pfkey_send_spdadd __P((int, struct sockaddr *, u_int, struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); int pfkey_send_spdadd2 __P((int, struct sockaddr *, u_int, struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t, caddr_t, int, u_int32_t)); int pfkey_send_spdupdate __P((int, struct sockaddr *, u_int, struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); int pfkey_send_spdupdate2 __P((int, struct sockaddr *, u_int, struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t, caddr_t, int, u_int32_t)); int pfkey_send_spddelete __P((int, struct sockaddr *, u_int, struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); int pfkey_send_spddelete2 __P((int, u_int32_t)); int pfkey_send_spdget __P((int, u_int32_t)); int pfkey_send_spdsetidx __P((int, struct sockaddr *, u_int, struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); int pfkey_send_spdflush __P((int)); int pfkey_send_spddump __P((int)); #ifdef SADB_X_MIGRATE int pfkey_send_migrate __P((int, struct sockaddr *, struct sockaddr *, struct sockaddr *, u_int, struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t)); #endif /* XXX should be somewhere else !!! */ #ifdef SADB_X_EXT_NAT_T_TYPE #define PFKEY_ADDR_X_PORT(ext) (ntohs(((struct sadb_x_nat_t_port *)ext)->sadb_x_nat_t_port_port)) #define PFKEY_ADDR_X_NATTYPE(ext) ( ext != NULL && ((struct sadb_x_nat_t_type *)ext)->sadb_x_nat_t_type_type ) #endif int pfkey_open __P((void)); void pfkey_close __P((int)); int pfkey_set_buffer_size __P((int, int)); struct sadb_msg *pfkey_recv __P((int)); int pfkey_send __P((int, struct sadb_msg *, int)); int pfkey_align __P((struct sadb_msg *, caddr_t *)); int pfkey_check __P((caddr_t *)); /* * Deprecated, available for backward compatibility with third party * libipsec users. Please use pfkey_send_update2 and pfkey_send_add2 instead */ int pfkey_send_update __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *, u_int32_t, u_int32_t, u_int, caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, u_int64_t, u_int64_t, u_int32_t)); int pfkey_send_update_nat __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *, u_int32_t, u_int32_t, u_int, caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, u_int64_t, u_int64_t, u_int32_t, u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t)); int pfkey_send_add __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *, u_int32_t, u_int32_t, u_int, caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, u_int64_t, u_int64_t, u_int32_t)); int pfkey_send_add_nat __P((int, u_int, u_int, struct sockaddr *, struct sockaddr *, u_int32_t, u_int32_t, u_int, caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t, u_int64_t, u_int64_t, u_int32_t, u_int8_t, u_int16_t, u_int16_t, struct sockaddr *, u_int16_t)); #ifndef __SYSDEP_SA_LEN__ #define __SYSDEP_SA_LEN__ #include #ifndef IPPROTO_IPV4 #define IPPROTO_IPV4 IPPROTO_IPIP #endif #ifndef IPPROTO_IPCOMP #define IPPROTO_IPCOMP IPPROTO_COMP #endif #ifndef IPPROTO_MH #define IPPROTO_MH 135 #endif static __inline u_int8_t sysdep_sa_len (const struct sockaddr *sa) { #ifdef __linux__ switch (sa->sa_family) { case AF_INET: return sizeof (struct sockaddr_in); case AF_INET6: return sizeof (struct sockaddr_in6); } // log_print ("sysdep_sa_len: unknown sa family %d", sa->sa_family); return sizeof (struct sockaddr_in); #else return sa->sa_len; #endif } #endif #endif /* KAME_LIBPFKEY_H */ #endif /* _LIBPFKEY_H */