/* * Copyright (c) 2000-2011 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* $KAME: pfkeyv2.h,v 1.10 2000/03/22 07:04:20 sakane 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. */ /* * This file has been derived rfc 2367, * And added some flags of SADB_KEY_FLAGS_ as SADB_X_EXT_. * sakane@ydc.co.jp */ #ifndef _NET_PFKEYV2_H_ #define _NET_PFKEYV2_H_ #include #include /* * This file defines structures and symbols for the PF_KEY Version 2 * key management interface. It was written at the U.S. Naval Research * Laboratory. This file is in the public domain. The authors ask that * you leave this credit intact on any copies of this file. */ #ifndef __PFKEY_V2_H #define __PFKEY_V2_H 1 #define PF_KEY_V2 2 #define PFKEYV2_REVISION 199806L #define SADB_RESERVED 0 #define SADB_GETSPI 1 #define SADB_UPDATE 2 #define SADB_ADD 3 #define SADB_DELETE 4 #define SADB_GET 5 #define SADB_ACQUIRE 6 #define SADB_REGISTER 7 #define SADB_EXPIRE 8 #define SADB_FLUSH 9 #define SADB_DUMP 10 #define SADB_X_PROMISC 11 #define SADB_X_PCHANGE 12 #define SADB_X_SPDUPDATE 13 #define SADB_X_SPDADD 14 #define SADB_X_SPDDELETE 15 /* by policy index */ #define SADB_X_SPDGET 16 #define SADB_X_SPDACQUIRE 17 #define SADB_X_SPDDUMP 18 #define SADB_X_SPDFLUSH 19 #define SADB_X_SPDSETIDX 20 #define SADB_X_SPDEXPIRE 21 #define SADB_X_SPDDELETE2 22 /* by policy id */ #define SADB_GETSASTAT 23 #define SADB_X_SPDENABLE 24 /* by policy id */ #define SADB_X_SPDDISABLE 25 /* by policy id */ #define SADB_MIGRATE 26 #define SADB_MAX 26 struct sadb_msg { u_int8_t sadb_msg_version; u_int8_t sadb_msg_type; u_int8_t sadb_msg_errno; u_int8_t sadb_msg_satype; u_int16_t sadb_msg_len; u_int16_t sadb_msg_reserved; u_int32_t sadb_msg_seq; u_int32_t sadb_msg_pid; }; struct sadb_ext { u_int16_t sadb_ext_len; u_int16_t sadb_ext_type; }; struct sadb_sa { u_int16_t sadb_sa_len; u_int16_t sadb_sa_exttype; u_int32_t sadb_sa_spi; u_int8_t sadb_sa_replay; u_int8_t sadb_sa_state; u_int8_t sadb_sa_auth; u_int8_t sadb_sa_encrypt; u_int32_t sadb_sa_flags; }; #ifdef PRIVATE struct sadb_sa_2 { struct sadb_sa sa; u_int16_t sadb_sa_natt_port; union { u_int16_t sadb_reserved0; u_int16_t sadb_sa_natt_interval; }; u_int16_t sadb_sa_natt_offload_interval; #define SADB_SA_NATT_SRC_PORT 1 u_int16_t sadb_sa_natt_src_port; }; #endif /* PRIVATE */ struct sadb_lifetime { u_int16_t sadb_lifetime_len; u_int16_t sadb_lifetime_exttype; u_int32_t sadb_lifetime_allocations; u_int64_t sadb_lifetime_bytes; u_int64_t sadb_lifetime_addtime; u_int64_t sadb_lifetime_usetime; }; struct sadb_address { u_int16_t sadb_address_len; u_int16_t sadb_address_exttype; u_int8_t sadb_address_proto; u_int8_t sadb_address_prefixlen; u_int16_t sadb_address_reserved; }; struct sadb_key { u_int16_t sadb_key_len; u_int16_t sadb_key_exttype; u_int16_t sadb_key_bits; u_int16_t sadb_key_reserved; }; struct sadb_ident { u_int16_t sadb_ident_len; u_int16_t sadb_ident_exttype; u_int16_t sadb_ident_type; u_int16_t sadb_ident_reserved; u_int64_t sadb_ident_id; }; struct sadb_sens { u_int16_t sadb_sens_len; u_int16_t sadb_sens_exttype; u_int32_t sadb_sens_dpd; u_int8_t sadb_sens_sens_level; u_int8_t sadb_sens_sens_len; u_int8_t sadb_sens_integ_level; u_int8_t sadb_sens_integ_len; u_int32_t sadb_sens_reserved; }; struct sadb_prop { u_int16_t sadb_prop_len; u_int16_t sadb_prop_exttype; u_int8_t sadb_prop_replay; u_int8_t sadb_prop_reserved[3]; }; struct sadb_comb { u_int8_t sadb_comb_auth; u_int8_t sadb_comb_encrypt; u_int16_t sadb_comb_flags; u_int16_t sadb_comb_auth_minbits; u_int16_t sadb_comb_auth_maxbits; u_int16_t sadb_comb_encrypt_minbits; u_int16_t sadb_comb_encrypt_maxbits; u_int32_t sadb_comb_reserved; u_int32_t sadb_comb_soft_allocations; u_int32_t sadb_comb_hard_allocations; u_int64_t sadb_comb_soft_bytes; u_int64_t sadb_comb_hard_bytes; u_int64_t sadb_comb_soft_addtime; u_int64_t sadb_comb_hard_addtime; u_int64_t sadb_comb_soft_usetime; u_int64_t sadb_comb_hard_usetime; }; struct sadb_supported { u_int16_t sadb_supported_len; u_int16_t sadb_supported_exttype; u_int32_t sadb_supported_reserved; }; struct sadb_alg { u_int8_t sadb_alg_id; u_int8_t sadb_alg_ivlen; u_int16_t sadb_alg_minbits; u_int16_t sadb_alg_maxbits; u_int16_t sadb_alg_reserved; }; struct sadb_spirange { u_int16_t sadb_spirange_len; u_int16_t sadb_spirange_exttype; u_int32_t sadb_spirange_min; u_int32_t sadb_spirange_max; u_int32_t sadb_spirange_reserved; }; struct sadb_x_kmprivate { u_int16_t sadb_x_kmprivate_len; u_int16_t sadb_x_kmprivate_exttype; u_int32_t sadb_x_kmprivate_reserved; }; /* * XXX Additional SA Extension. * mode: tunnel or transport * reqid: to make SA unique nevertheless the address pair of SA are same. * Mainly it's for VPN. */ struct sadb_x_sa2 { u_int16_t sadb_x_sa2_len; u_int16_t sadb_x_sa2_exttype; u_int8_t sadb_x_sa2_mode; union { u_int8_t sadb_x_sa2_reserved1; #ifdef PRIVATE u_int8_t sadb_x_sa2_alwaysexpire; #endif }; union { u_int16_t sadb_x_sa2_reserved2; #ifdef PRIVATE u_int16_t sadb_x_sa2_flags; #endif }; u_int32_t sadb_x_sa2_sequence; u_int32_t sadb_x_sa2_reqid; }; /* XXX Policy Extension */ /* sizeof(struct sadb_x_policy) == 16 */ struct sadb_x_policy { u_int16_t sadb_x_policy_len; u_int16_t sadb_x_policy_exttype; u_int16_t sadb_x_policy_type; /* See policy type of ipsec.h */ u_int8_t sadb_x_policy_dir; /* direction, see ipsec.h */ u_int8_t sadb_x_policy_reserved; u_int32_t sadb_x_policy_id; u_int32_t sadb_x_policy_reserved2; }; /* * When policy_type == IPSEC, it is followed by some of * the ipsec policy request. * [total length of ipsec policy requests] * = (sadb_x_policy_len * sizeof(uint64_t) - sizeof(struct sadb_x_policy)) */ #ifdef PRIVATE /* IPsec Interface Extension: * IPsec interface can be specified alone, or all three * of internal, outgoing, and IPsec interfaces must be * specified. */ struct sadb_x_ipsecif { u_int16_t sadb_x_ipsecif_len; u_int16_t sadb_x_ipsecif_exttype; char sadb_x_ipsecif_internal_if[IFXNAMSIZ]; /* Steal packets from this interface */ char sadb_x_ipsecif_outgoing_if[IFXNAMSIZ]; /* Send packets out on this interface */ char sadb_x_ipsecif_ipsec_if[IFXNAMSIZ]; /* Direct packets through ipsec interface */ u_int16_t sadb_x_ipsecif_init_disabled; /* 0 or 1, flag to ignore policy */ u_int16_t reserved; }; #endif /* XXX IPsec Policy Request Extension */ /* * This structure is aligned 8 bytes. */ struct sadb_x_ipsecrequest { u_int16_t sadb_x_ipsecrequest_len; /* structure length aligned to 8 bytes. * This value is true length of bytes. * Not in units of 64 bits. */ u_int16_t sadb_x_ipsecrequest_proto; /* See ipsec.h */ u_int8_t sadb_x_ipsecrequest_mode; /* See IPSEC_MODE_XX in ipsec.h. */ u_int8_t sadb_x_ipsecrequest_level; /* See IPSEC_LEVEL_XX in ipsec.h */ u_int16_t sadb_x_ipsecrequest_reqid; /* See ipsec.h */ /* * followed by source IP address of SA, and immediately followed by * destination IP address of SA. These encoded into two of sockaddr * structure without any padding. Must set each sa_len exactly. * Each of length of the sockaddr structure are not aligned to 64bits, * but sum of x_request and addresses is aligned to 64bits. */ }; struct sadb_session_id { u_int16_t sadb_session_id_len; u_int16_t sadb_session_id_exttype; /* [0] is an arbitrary handle that means something only for requester * [1] is a global session id for lookups in the kernel and racoon. */ u_int64_t sadb_session_id_v[2]; } __attribute__ ((aligned(8))); struct sastat { u_int32_t spi; /* SPI Value, network byte order */ u_int32_t created; /* for lifetime */ struct sadb_lifetime lft_c; /* CURRENT lifetime. */ }; // no need to align struct sadb_sastat { u_int16_t sadb_sastat_len; u_int16_t sadb_sastat_exttype; u_int32_t sadb_sastat_dir; u_int32_t sadb_sastat_reserved; u_int32_t sadb_sastat_list_len; /* list of struct sastat comes after */ } __attribute__ ((aligned(8))); #define SADB_EXT_RESERVED 0 #define SADB_EXT_SA 1 #define SADB_EXT_LIFETIME_CURRENT 2 #define SADB_EXT_LIFETIME_HARD 3 #define SADB_EXT_LIFETIME_SOFT 4 #define SADB_EXT_ADDRESS_SRC 5 #define SADB_EXT_ADDRESS_DST 6 #define SADB_EXT_ADDRESS_PROXY 7 #define SADB_EXT_KEY_AUTH 8 #define SADB_EXT_KEY_ENCRYPT 9 #define SADB_EXT_IDENTITY_SRC 10 #define SADB_EXT_IDENTITY_DST 11 #define SADB_EXT_SENSITIVITY 12 #define SADB_EXT_PROPOSAL 13 #define SADB_EXT_SUPPORTED_AUTH 14 #define SADB_EXT_SUPPORTED_ENCRYPT 15 #define SADB_EXT_SPIRANGE 16 #define SADB_X_EXT_KMPRIVATE 17 #define SADB_X_EXT_POLICY 18 #define SADB_X_EXT_SA2 19 #define SADB_EXT_SESSION_ID 20 #define SADB_EXT_SASTAT 21 #define SADB_X_EXT_IPSECIF 22 #define SADB_X_EXT_ADDR_RANGE_SRC_START 23 #define SADB_X_EXT_ADDR_RANGE_SRC_END 24 #define SADB_X_EXT_ADDR_RANGE_DST_START 25 #define SADB_X_EXT_ADDR_RANGE_DST_END 26 #define SADB_EXT_MIGRATE_ADDRESS_SRC 27 #define SADB_EXT_MIGRATE_ADDRESS_DST 28 #define SADB_X_EXT_MIGRATE_IPSECIF 29 #define SADB_EXT_MAX 29 #define SADB_SATYPE_UNSPEC 0 #define SADB_SATYPE_AH 2 #define SADB_SATYPE_ESP 3 #define SADB_SATYPE_RSVP 5 #define SADB_SATYPE_OSPFV2 6 #define SADB_SATYPE_RIPV2 7 #define SADB_SATYPE_MIP 8 #define SADB_X_SATYPE_IPCOMP 9 #define SADB_X_SATYPE_POLICY 10 #define SADB_SATYPE_MAX 11 #define SADB_SASTATE_LARVAL 0 #define SADB_SASTATE_MATURE 1 #define SADB_SASTATE_DYING 2 #define SADB_SASTATE_DEAD 3 #define SADB_SASTATE_MAX 3 #define SADB_SAFLAGS_PFS 1 /* RFC2367 numbers - meets RFC2407 */ #define SADB_AALG_NONE 0 #define SADB_AALG_MD5HMAC 1 /*2*/ #define SADB_AALG_SHA1HMAC 2 /*3*/ #define SADB_AALG_MAX 8 /* private allocations - based on RFC2407/IANA assignment */ #define SADB_X_AALG_SHA2_256 6 /*5*/ #define SADB_X_AALG_SHA2_384 7 /*6*/ #define SADB_X_AALG_SHA2_512 8 /*7*/ /* private allocations should use 249-255 (RFC2407) */ #define SADB_X_AALG_MD5 3 /*249*/ /* Keyed MD5 */ #define SADB_X_AALG_SHA 4 /*250*/ /* Keyed SHA */ #define SADB_X_AALG_NULL 5 /*251*/ /* null authentication */ /* RFC2367 numbers - meets RFC2407 */ #define SADB_EALG_NONE 0 #define SADB_EALG_DESCBC 1 /*2*/ #define SADB_EALG_3DESCBC 2 /*3*/ #define SADB_EALG_NULL 3 /*11*/ #define SADB_EALG_MAX 12 /* private allocations - based on RFC2407/IANA assignment */ #define SADB_X_EALG_CAST128CBC 5 /*6*/ #define SADB_X_EALG_BLOWFISHCBC 4 /*7*/ #define SADB_X_EALG_RIJNDAELCBC 12 #define SADB_X_EALG_AESCBC 12 #define SADB_X_EALG_AES 12 #define SADB_X_EALG_AES_GCM 13 #define SADB_X_EALG_CHACHA20POLY1305 14 #define SADB_X_EALG_AES_GMAC 15 /* private allocations should use 249-255 (RFC2407) */ #if 1 /*nonstandard */ #define SADB_X_CALG_NONE 0 #define SADB_X_CALG_OUI 1 #define SADB_X_CALG_DEFLATE 2 #define SADB_X_CALG_LZS 3 #define SADB_X_CALG_MAX 4 #endif #define SADB_IDENTTYPE_RESERVED 0 #define SADB_IDENTTYPE_PREFIX 1 #define SADB_IDENTTYPE_FQDN 2 #define SADB_IDENTTYPE_USERFQDN 3 #define SADB_X_IDENTTYPE_ADDR 4 #define SADB_IDENTTYPE_MAX 4 /* `flags' in sadb_sa structure holds followings */ #define SADB_X_EXT_NONE 0x0000 /* i.e. new format. */ #define SADB_X_EXT_OLD 0x0001 /* old format. */ #ifdef PRIVATE #define SADB_X_EXT_NATT 0x0002 /* Use UDP encapsulation to traverse NAT */ #define SADB_X_EXT_NATT_KEEPALIVE 0x0004 /* Local node is behind NAT, send keepalives */ /* Should only be set for outbound SAs */ #define SADB_X_EXT_NATT_MULTIPLEUSERS 0x0008 /* For use on VPN server - support multiple users */ #endif /* PRIVATE */ #define SADB_X_EXT_IV4B 0x0010 /* IV length of 4 bytes in use */ #define SADB_X_EXT_DERIV 0x0020 /* DES derived */ #define SADB_X_EXT_CYCSEQ 0x0040 /* allowing to cyclic sequence. */ /* three of followings are exclusive flags each them */ #define SADB_X_EXT_PSEQ 0x0000 /* sequencial padding for ESP */ #define SADB_X_EXT_PRAND 0x0100 /* random padding for ESP */ #define SADB_X_EXT_PZERO 0x0200 /* zero padding for ESP */ #define SADB_X_EXT_PMASK 0x0300 /* mask for padding flag */ #define SADB_X_EXT_IIV 0x0400 /* Implicit IV */ #ifdef PRIVATE #define SADB_X_EXT_NATT_DETECTED_PEER 0x1000 #define SADB_X_EXT_ESP_KEEPALIVE 0x2000 #define SADB_X_EXT_PUNT_RX_KEEPALIVE 0x4000 #define SADB_X_EXT_NATT_KEEPALIVE_OFFLOAD 0x8000 #endif /* PRIVATE */ #ifdef PRIVATE #define NATT_KEEPALIVE_OFFLOAD_INTERVAL 0x1 #endif #if 1 #define SADB_X_EXT_RAWCPI 0x0080 /* use well known CPI (IPComp) */ #endif #define SADB_KEY_FLAGS_MAX 0x7fff #ifdef PRIVATE #define SADB_X_EXT_SA2_DELETE_ON_DETACH 0x0001 #define SADB_X_EXT_SA2_SEQ_PER_TRAFFIC_CLASS 0x0002 #endif /* SPI size for PF_KEYv2 */ #define PFKEY_SPI_SIZE sizeof(u_int32_t) /* Identifier for menber of lifetime structure */ #define SADB_X_LIFETIME_ALLOCATIONS 0 #define SADB_X_LIFETIME_BYTES 1 #define SADB_X_LIFETIME_ADDTIME 2 #define SADB_X_LIFETIME_USETIME 3 /* The rate for SOFT lifetime against HARD one. */ #define PFKEY_SOFT_LIFETIME_RATE 80 /* Utilities */ #define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1))) #define PFKEY_EXTLEN(msg) \ PFKEY_UNUNIT64(((struct sadb_ext *)(msg))->sadb_ext_len) #define PFKEY_ADDR_PREFIX(ext) \ (((struct sadb_address *)(ext))->sadb_address_prefixlen) #define PFKEY_ADDR_PROTO(ext) \ (((struct sadb_address *)(ext))->sadb_address_proto) #define PFKEY_ADDR_SADDR(ext) \ ((struct sockaddr *)((caddr_t)(ext) + sizeof(struct sadb_address))) /* in 64bits */ #define PFKEY_UNUNIT64(a) ((a) << 3) #define PFKEY_UNIT64(a) ((a) >> 3) #endif /* __PFKEY_V2_H */ #endif /* _NET_PFKEYV2_H_ */