/* $OpenBSD: pfkeyv2.h,v 1.42 2002/05/31 01:39:05 angelos 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_MAX 15 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; u_int32_t sadb_x_policy_seq; }; struct sadb_x_cred { uint16_t sadb_x_cred_len; uint16_t sadb_x_cred_exttype; uint16_t sadb_x_cred_type; uint16_t sadb_x_cred_reserved; }; #ifdef _KERNEL #define SADB_X_GETSPROTO(x) ( (x) == SADB_SATYPE_AH ? IPPROTO_AH :\ (x) == SADB_SATYPE_ESP ? IPPROTO_ESP :\ (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_EXT_MAX 30 /* 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_AALG_DES 4 #define SADB_AALG_SHA2_256 5 #define SADB_AALG_SHA2_384 6 #define SADB_AALG_SHA2_512 7 #define SADB_AALG_RIPEMD160HMAC 8 #define SADB_X_AALG_MD5 249 #define SADB_X_AALG_SHA1 250 #define SADB_AALG_MAX 250 #define SADB_EALG_NONE 0 #define SADB_X_EALG_DES_IV64 1 #define SADB_EALG_DESCBC 2 #define SADB_EALG_3DESCBC 3 #define SADB_X_EALG_RC5 4 #define SADB_X_EALG_IDEA 5 #define SADB_X_EALG_CAST 6 #define SADB_X_EALG_BLF 7 #define SADB_X_EALG_3IDEA 8 #define SADB_X_EALG_DES_IV32 9 #define SADB_X_EALG_RC4 10 #define SADB_X_EALG_NULL 11 #define SADB_X_EALG_AES 12 #define SADB_X_EALG_SKIPJACK 249 #define SADB_EALG_MAX 249 #define SADB_X_CALG_NONE 0 #define SADB_X_CALG_OUI 1 #define SADB_X_CALG_DEFLATE 2 #define SADB_X_CALG_LSZ 3 #define SADB_X_CALG_MAX 4 #define SADB_SAFLAGS_PFS 0x001 /* perfect forward secrecy */ #define SADB_X_SAFLAGS_HALFIV 0x002 /* Used for ESP-old */ #define SADB_X_SAFLAGS_TUNNEL 0x004 /* Force tunneling */ #define SADB_X_SAFLAGS_CHAINDEL 0x008 /* Delete whole SA chain */ #define SADB_X_SAFLAGS_RANDOMPADDING 0x080 /* Random ESP padding */ #define SADB_X_SAFLAGS_NOREPLAY 0x100 /* No replay counter */ #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_X_IDENTTYPE_CONNECTION 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_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_CREDTYPE_NONE 0 #define SADB_X_CREDTYPE_X509 1 /* ASN1 encoding of the certificate */ #define SADB_X_CREDTYPE_KEYNOTE 2 /* NUL-terminated buffer */ #define SADB_X_CREDTYPE_MAX 3 #ifdef _KERNEL #define PFKEYV2_AUTH_LOCAL 0 #define PFKEYV2_AUTH_REMOTE 1 #define PFKEYV2_CRED_LOCAL 0 #define PFKEYV2_CRED_REMOTE 1 #endif /* _KERNEL */ #define SADB_X_AUTHTYPE_NONE 0 #define SADB_X_AUTHTYPE_PASSPHRASE 1 #define SADB_X_AUTHTYPE_RSA 2 #define SADB_X_AUTHTYPE_MAX 2 #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)) struct pfkey_version { int protocol; int (*create)(struct socket *socket); int (*release)(struct socket *socket); int (*send)(struct socket *socket, void *message, int len); }; struct pfkeyv2_socket { struct pfkeyv2_socket *next; struct socket *socket; int flags; uint32_t pid; uint32_t registration; /* Increase size if SATYPE_MAX > 31 */ }; struct dump_state { struct sadb_msg *sadb_msg; struct socket *socket; }; int pfkeyv2_init(void); int pfkeyv2_cleanup(void); 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 pfkey_register(struct pfkey_version *version); int pfkey_unregister(struct pfkey_version *version); int pfkey_sendup(struct socket *socket, struct mbuf *packet, int more); int pfkeyv2_create(struct socket *); int pfkeyv2_get(struct tdb *, void **, void **); int pfkeyv2_policy(struct ipsec_acquire *, void **, void **); int pfkeyv2_release(struct socket *); int pfkeyv2_send(struct socket *, void *, int); int pfkeyv2_sendmessage(void **, int, struct socket *, u_int8_t, int); int pfkeyv2_dump_walker(struct tdb *, void *, int); int pfkeyv2_flush_walker(struct tdb *, void *, int); int pfkeyv2_get_proto_alg(u_int8_t, u_int8_t *, int *); int pfdatatopacket(void *, int, struct mbuf **); void export_address(void **, struct sockaddr *); void export_identity(void **, struct tdb *, int); void export_lifetime(void **, struct tdb *, int); void export_credentials(void **, struct tdb *, int); void export_sa(void **, struct tdb *); void export_key(void **, struct tdb *, int); void export_auth(void **, struct tdb *, int); void import_auth(struct tdb *, struct sadb_x_cred *, int); void import_address(struct sockaddr *, struct sadb_address *); void import_identity(struct tdb *, struct sadb_ident *, int); void import_key(struct ipsecinit *, struct sadb_key *, int); void import_lifetime(struct tdb *, struct sadb_lifetime *, int); void import_credentials(struct tdb *, struct sadb_x_cred *, int); void import_sa(struct tdb *, struct sadb_sa *, struct ipsecinit *); void import_flow(struct sockaddr_encap *, struct sockaddr_encap *, struct sadb_address *, struct sadb_address *, struct sadb_address *, struct sadb_address *, struct sadb_protocol *); #endif /* _KERNEL */ #endif /* _NET_PFKEY_V2_H_ */