/* $OpenBSD: pfkeyv2.h,v 1.95 2024/05/13 01:15:53 jsg Exp $ */ /* * @(#)COPYRIGHT 1.1 (NRL) January 1998 * * NRL grants permission for redistribution and use in source and binary * forms, with or without modification, of the software and documentation * created at NRL 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. All advertising materials mentioning features or use of this software * must display the following acknowledgements: * This product includes software developed by the University of * California, Berkeley and its contributors. * This product includes software developed at the Information * Technology Division, US Naval Research Laboratory. * 4. Neither the name of the NRL nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THE SOFTWARE PROVIDED BY NRL IS PROVIDED BY NRL 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 NRL 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. * * The views and conclusions contained in the software and documentation * are those of the authors and should not be interpreted as representing * official policies, either expressed or implied, of the US Naval * Research Laboratory (NRL). */ #ifndef _NET_PFKEY_V2_H_ #define _NET_PFKEY_V2_H_ #define PF_KEY_V2 2 #define PFKEYV2_REVISION 199806L /* This should be updated whenever the API is altered. */ #define _OPENBSD_IPSEC_API_VERSION 2 #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_ADDFLOW 12 #define SADB_X_DELFLOW 13 #define SADB_X_GRPSPIS 14 #define SADB_X_ASKPOLICY 15 #define SADB_X_SPDDUMP 16 #define SADB_MAX 16 struct sadb_msg { uint8_t sadb_msg_version; uint8_t sadb_msg_type; uint8_t sadb_msg_errno; uint8_t sadb_msg_satype; uint16_t sadb_msg_len; uint16_t sadb_msg_reserved; uint32_t sadb_msg_seq; uint32_t sadb_msg_pid; }; struct sadb_ext { uint16_t sadb_ext_len; uint16_t sadb_ext_type; }; struct sadb_sa { uint16_t sadb_sa_len; uint16_t sadb_sa_exttype; uint32_t sadb_sa_spi; uint8_t sadb_sa_replay; uint8_t sadb_sa_state; uint8_t sadb_sa_auth; uint8_t sadb_sa_encrypt; uint32_t sadb_sa_flags; }; struct sadb_lifetime { uint16_t sadb_lifetime_len; uint16_t sadb_lifetime_exttype; uint32_t sadb_lifetime_allocations; uint64_t sadb_lifetime_bytes; uint64_t sadb_lifetime_addtime; uint64_t sadb_lifetime_usetime; }; struct sadb_address { uint16_t sadb_address_len; uint16_t sadb_address_exttype; uint32_t sadb_address_reserved; }; struct sadb_key { uint16_t sadb_key_len; uint16_t sadb_key_exttype; uint16_t sadb_key_bits; uint16_t sadb_key_reserved; }; struct sadb_ident { uint16_t sadb_ident_len; uint16_t sadb_ident_exttype; uint16_t sadb_ident_type; uint16_t sadb_ident_reserved; uint64_t sadb_ident_id; }; struct sadb_sens { uint16_t sadb_sens_len; uint16_t sadb_sens_exttype; uint32_t sadb_sens_dpd; uint8_t sadb_sens_sens_level; uint8_t sadb_sens_sens_len; uint8_t sadb_sens_integ_level; uint8_t sadb_sens_integ_len; uint32_t sadb_sens_reserved; }; struct sadb_prop { uint16_t sadb_prop_len; uint16_t sadb_prop_exttype; uint8_t sadb_prop_num; uint8_t sadb_prop_replay; uint16_t sadb_prop_reserved; }; struct sadb_comb { uint8_t sadb_comb_auth; uint8_t sadb_comb_encrypt; uint16_t sadb_comb_flags; uint16_t sadb_comb_auth_minbits; uint16_t sadb_comb_auth_maxbits; uint16_t sadb_comb_encrypt_minbits; uint16_t sadb_comb_encrypt_maxbits; uint32_t sadb_comb_reserved; uint32_t sadb_comb_soft_allocations; uint32_t sadb_comb_hard_allocations; uint64_t sadb_comb_soft_bytes; uint64_t sadb_comb_hard_bytes; uint64_t sadb_comb_soft_addtime; uint64_t sadb_comb_hard_addtime; uint64_t sadb_comb_soft_usetime; uint64_t sadb_comb_hard_usetime; }; struct sadb_supported { uint16_t sadb_supported_len; uint16_t sadb_supported_exttype; uint32_t sadb_supported_reserved; }; struct sadb_alg { uint8_t sadb_alg_id; uint8_t sadb_alg_ivlen; uint16_t sadb_alg_minbits; uint16_t sadb_alg_maxbits; uint16_t sadb_alg_reserved; }; struct sadb_spirange { uint16_t sadb_spirange_len; uint16_t sadb_spirange_exttype; uint32_t sadb_spirange_min; uint32_t sadb_spirange_max; uint32_t sadb_spirange_reserved; }; struct sadb_protocol { uint16_t sadb_protocol_len; uint16_t sadb_protocol_exttype; uint8_t sadb_protocol_proto; uint8_t sadb_protocol_direction; uint8_t sadb_protocol_flags; uint8_t sadb_protocol_reserved2; }; struct sadb_x_policy { uint16_t sadb_x_policy_len; uint16_t sadb_x_policy_exttype; uint32_t sadb_x_policy_seq; }; struct sadb_x_udpencap { uint16_t sadb_x_udpencap_len; uint16_t sadb_x_udpencap_exttype; uint16_t sadb_x_udpencap_port; uint16_t sadb_x_udpencap_reserved; }; struct sadb_x_tag { uint16_t sadb_x_tag_len; uint16_t sadb_x_tag_exttype; uint32_t sadb_x_tag_taglen; }; struct sadb_x_replay { uint16_t sadb_x_replay_len; uint16_t sadb_x_replay_exttype; uint32_t sadb_x_replay_reserved; uint64_t sadb_x_replay_count; }; struct sadb_x_rdomain { uint16_t sadb_x_rdomain_len; uint16_t sadb_x_rdomain_exttype; uint16_t sadb_x_rdomain_dom1; uint16_t sadb_x_rdomain_dom2; }; struct sadb_x_tap { uint16_t sadb_x_tap_len; uint16_t sadb_x_tap_exttype; uint32_t sadb_x_tap_unit; }; struct sadb_x_counter { uint16_t sadb_x_counter_len; uint16_t sadb_x_counter_exttype; uint32_t sadb_x_counter_pad; uint64_t sadb_x_counter_ipackets; /* Input IPsec packets */ uint64_t sadb_x_counter_opackets; /* Output IPsec packets */ uint64_t sadb_x_counter_ibytes; /* Input bytes */ uint64_t sadb_x_counter_obytes; /* Output bytes */ uint64_t sadb_x_counter_idrops; /* Dropped on input */ uint64_t sadb_x_counter_odrops; /* Dropped on output */ uint64_t sadb_x_counter_idecompbytes; /* Input bytes, decompressed */ uint64_t sadb_x_counter_ouncompbytes; /* Output bytes, uncompressed */ }; struct sadb_x_mtu { uint16_t sadb_x_mtu_len; uint16_t sadb_x_mtu_exttype; uint32_t sadb_x_mtu_mtu; }; struct sadb_x_iface { uint16_t sadb_x_iface_len; uint16_t sadb_x_iface_exttype; uint32_t sadb_x_iface_unit; uint8_t sadb_x_iface_direction; uint8_t sadb_x_iface_reserved[7]; }; #ifdef _KERNEL #define SADB_X_GETSPROTO(x) \ ( (x) == SADB_SATYPE_AH ? IPPROTO_AH :\ (x) == SADB_SATYPE_ESP ? IPPROTO_ESP :\ (x) == SADB_X_SATYPE_TCPSIGNATURE ? IPPROTO_TCP :\ (x) == SADB_X_SATYPE_IPCOMP ? IPPROTO_IPCOMP: IPPROTO_IPIP ) #endif #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_SRC_MASK 17 #define SADB_X_EXT_DST_MASK 18 #define SADB_X_EXT_PROTOCOL 19 #define SADB_X_EXT_FLOW_TYPE 20 #define SADB_X_EXT_SRC_FLOW 21 #define SADB_X_EXT_DST_FLOW 22 #define SADB_X_EXT_SA2 23 #define SADB_X_EXT_DST2 24 #define SADB_X_EXT_POLICY 25 #define SADB_X_EXT_LOCAL_CREDENTIALS 26 #define SADB_X_EXT_REMOTE_CREDENTIALS 27 #define SADB_X_EXT_LOCAL_AUTH 28 #define SADB_X_EXT_REMOTE_AUTH 29 #define SADB_X_EXT_SUPPORTED_COMP 30 #define SADB_X_EXT_UDPENCAP 31 #define SADB_X_EXT_LIFETIME_LASTUSE 32 #define SADB_X_EXT_TAG 33 #define SADB_X_EXT_TAP 34 #define SADB_X_EXT_SATYPE2 35 #define SADB_X_EXT_COUNTER 36 #define SADB_X_EXT_RDOMAIN 37 #define SADB_X_EXT_MTU 38 #define SADB_X_EXT_REPLAY 39 #define SADB_X_EXT_IFACE 40 #define SADB_EXT_MAX 40 /* Fix pfkeyv2.c struct pfkeyv2_socket if SATYPE_MAX > 31 */ #define SADB_SATYPE_UNSPEC 0 #define SADB_SATYPE_AH 1 #define SADB_SATYPE_ESP 2 #define SADB_SATYPE_RSVP 3 #define SADB_SATYPE_OSPFV2 4 #define SADB_SATYPE_RIPV2 5 #define SADB_SATYPE_MIP 6 #define SADB_X_SATYPE_IPIP 7 #define SADB_X_SATYPE_TCPSIGNATURE 8 #define SADB_X_SATYPE_IPCOMP 9 #define SADB_SATYPE_MAX 9 #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_AALG_NONE 0 #define SADB_AALG_MD5HMAC 2 #define SADB_AALG_SHA1HMAC 3 #define SADB_X_AALG_SHA2_256 5 #define SADB_X_AALG_SHA2_384 6 #define SADB_X_AALG_SHA2_512 7 #define SADB_X_AALG_RIPEMD160HMAC 8 #define SADB_X_AALG_AES128GMAC 9 #define SADB_X_AALG_AES192GMAC 10 #define SADB_X_AALG_AES256GMAC 11 #define SADB_X_AALG_CHACHA20POLY1305 12 #define SADB_AALG_MAX 12 #define SADB_EALG_NONE 0 #define SADB_EALG_3DESCBC 3 #define SADB_X_EALG_CAST 6 #define SADB_X_EALG_BLF 7 #define SADB_EALG_NULL 11 #define SADB_X_EALG_AES 12 #define SADB_X_EALG_AESCTR 13 #define SADB_X_EALG_AESGCM8 18 #define SADB_X_EALG_AESGCM12 19 #define SADB_X_EALG_AESGCM16 20 #define SADB_X_EALG_AESGMAC 21 #define SADB_X_EALG_CHACHA20POLY1305 22 #define SADB_EALG_MAX 22 #define SADB_X_CALG_NONE 0 #define SADB_X_CALG_OUI 1 #define SADB_X_CALG_DEFLATE 2 #define SADB_X_CALG_MAX 2 #define SADB_SAFLAGS_PFS 0x001 /* perfect forward secrecy */ #define SADB_X_SAFLAGS_TUNNEL 0x004 /* Force tunneling */ #define SADB_X_SAFLAGS_CHAINDEL 0x008 /* Delete whole SA chain */ #define SADB_X_SAFLAGS_UDPENCAP 0x200 /* ESP in UDP */ #define SADB_X_SAFLAGS_ESN 0x400 /* Extended Sequence Number */ #define SADB_X_POLICYFLAGS_POLICY 0x0001 /* This is a static policy */ #define SADB_IDENTTYPE_RESERVED 0 #define SADB_IDENTTYPE_PREFIX 1 #define SADB_IDENTTYPE_FQDN 2 #define SADB_IDENTTYPE_USERFQDN 3 #define SADB_IDENTTYPE_ASN1_DN 4 #define SADB_IDENTTYPE_MAX 4 #define SADB_KEY_FLAGS_MAX 0 #ifdef _KERNEL #define PFKEYV2_LIFETIME_HARD 0 #define PFKEYV2_LIFETIME_SOFT 1 #define PFKEYV2_LIFETIME_CURRENT 2 #define PFKEYV2_LIFETIME_LASTUSE 3 #define PFKEYV2_IDENTITY_SRC 0 #define PFKEYV2_IDENTITY_DST 1 #define PFKEYV2_ENCRYPTION_KEY 0 #define PFKEYV2_AUTHENTICATION_KEY 1 #define PFKEYV2_SOCKETFLAGS_REGISTERED 1 #define PFKEYV2_SOCKETFLAGS_PROMISC 2 #define PFKEYV2_SENDMESSAGE_UNICAST 1 #define PFKEYV2_SENDMESSAGE_REGISTERED 2 #define PFKEYV2_SENDMESSAGE_BROADCAST 3 #endif /* _KERNEL */ #define SADB_X_FLOW_TYPE_USE 1 #define SADB_X_FLOW_TYPE_ACQUIRE 2 #define SADB_X_FLOW_TYPE_REQUIRE 3 #define SADB_X_FLOW_TYPE_BYPASS 4 #define SADB_X_FLOW_TYPE_DENY 5 #define SADB_X_FLOW_TYPE_DONTACQ 6 #ifdef _KERNEL struct tdb; struct socket; struct mbuf; #define EXTLEN(x) (((struct sadb_ext *)(x))->sadb_ext_len * sizeof(uint64_t)) #define PADUP(x) (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1)) int pfkeyv2_parsemessage(void *, int, void **); int pfkeyv2_expire(struct tdb *, u_int16_t); int pfkeyv2_acquire(struct ipsec_policy *, union sockaddr_union *, union sockaddr_union *, u_int32_t *, struct sockaddr_encap *); int pfkeyv2_get(struct tdb *, void **, void **, int *, int *); int pfkeyv2_policy(struct ipsec_acquire *, void **, void **, int *); int pfkeyv2_dosend(struct socket *, void *, int); int pfkeyv2_sendmessage(void **, int, struct socket *, u_int8_t, int, u_int); int pfkeyv2_dump_policy(struct ipsec_policy *, void **, void **, int *); int pfkeyv2_dump_walker(struct tdb *, void *, int); int pfkeyv2_get_proto_alg(u_int8_t, u_int8_t *, int *); int pfkeyv2_sysctl(int *, u_int, void *, size_t *, void *, size_t); int pfkeyv2_sysctl_walker(struct tdb *, void *, int); int pfdatatopacket(void *, int, struct mbuf **); void export_address(void **, struct sockaddr *); void export_identities(void **, struct ipsec_ids *, int, void **); void export_lifetime(void **, struct tdb *, int); void export_sa(void **, struct tdb *); void export_flow(void **, u_int8_t, struct sockaddr_encap *, struct sockaddr_encap *, void **); void export_key(void **, struct tdb *, int); void export_udpencap(void **, struct tdb *); void export_tag(void **, struct tdb *); void export_replay(void **, struct tdb *); void export_rdomain(void **, struct tdb *); void export_mtu(void **, struct tdb *); void export_tap(void **, struct tdb *); void export_satype(void **, struct tdb *); void export_counter(void **, struct tdb *); void export_iface(void **, struct tdb *); void import_address(struct sockaddr *, struct sadb_address *); void import_identities(struct ipsec_ids **, int, struct sadb_ident *, struct sadb_ident *); void import_key(struct ipsecinit *, struct sadb_key *, int); void import_lifetime(struct tdb *, struct sadb_lifetime *, int); void import_sa(struct tdb *, struct sadb_sa *, struct ipsecinit *); int import_flow(struct sockaddr_encap *, struct sockaddr_encap *, struct sadb_address *, struct sadb_address *, struct sadb_address *, struct sadb_address *, struct sadb_protocol *, struct sadb_protocol *); void import_udpencap(struct tdb *, struct sadb_x_udpencap *); void import_tag(struct tdb *, struct sadb_x_tag *); void import_rdomain(struct tdb *, struct sadb_x_rdomain *); void import_tap(struct tdb *, struct sadb_x_tap *); void import_iface(struct tdb *, struct sadb_x_iface *); extern const uint64_t sadb_exts_allowed_out[SADB_MAX+1]; extern const uint64_t sadb_exts_required_out[SADB_MAX+1]; extern struct pool ipsec_policy_pool; extern struct pool ipsec_acquire_pool; #endif /* _KERNEL */ #endif /* _NET_PFKEY_V2_H_ */