474 lines
15 KiB
C
474 lines
15 KiB
C
/* $OpenBSD: pfkeyv2.h,v 1.94 2023/08/07 03:35:06 dlg Exp $ */
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/*
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* @(#)COPYRIGHT 1.1 (NRL) January 1998
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*
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* NRL grants permission for redistribution and use in source and binary
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* forms, with or without modification, of the software and documentation
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* created at NRL provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgements:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* This product includes software developed at the Information
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* Technology Division, US Naval Research Laboratory.
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* 4. Neither the name of the NRL nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THE SOFTWARE PROVIDED BY NRL IS PROVIDED BY NRL AND CONTRIBUTORS ``AS
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* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NRL OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation
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* are those of the authors and should not be interpreted as representing
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* official policies, either expressed or implied, of the US Naval
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* Research Laboratory (NRL).
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*/
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#ifndef _NET_PFKEY_V2_H_
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#define _NET_PFKEY_V2_H_
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#define PF_KEY_V2 2
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#define PFKEYV2_REVISION 199806L
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/* This should be updated whenever the API is altered. */
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#define _OPENBSD_IPSEC_API_VERSION 2
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#define SADB_RESERVED 0
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#define SADB_GETSPI 1
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#define SADB_UPDATE 2
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#define SADB_ADD 3
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#define SADB_DELETE 4
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#define SADB_GET 5
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#define SADB_ACQUIRE 6
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#define SADB_REGISTER 7
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#define SADB_EXPIRE 8
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#define SADB_FLUSH 9
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#define SADB_DUMP 10
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#define SADB_X_PROMISC 11
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#define SADB_X_ADDFLOW 12
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#define SADB_X_DELFLOW 13
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#define SADB_X_GRPSPIS 14
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#define SADB_X_ASKPOLICY 15
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#define SADB_X_SPDDUMP 16
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#define SADB_MAX 16
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struct sadb_msg {
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uint8_t sadb_msg_version;
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uint8_t sadb_msg_type;
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uint8_t sadb_msg_errno;
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uint8_t sadb_msg_satype;
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uint16_t sadb_msg_len;
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uint16_t sadb_msg_reserved;
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uint32_t sadb_msg_seq;
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uint32_t sadb_msg_pid;
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};
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struct sadb_ext {
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uint16_t sadb_ext_len;
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uint16_t sadb_ext_type;
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};
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struct sadb_sa {
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uint16_t sadb_sa_len;
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uint16_t sadb_sa_exttype;
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uint32_t sadb_sa_spi;
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uint8_t sadb_sa_replay;
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uint8_t sadb_sa_state;
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uint8_t sadb_sa_auth;
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uint8_t sadb_sa_encrypt;
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uint32_t sadb_sa_flags;
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};
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struct sadb_lifetime {
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uint16_t sadb_lifetime_len;
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uint16_t sadb_lifetime_exttype;
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uint32_t sadb_lifetime_allocations;
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uint64_t sadb_lifetime_bytes;
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uint64_t sadb_lifetime_addtime;
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uint64_t sadb_lifetime_usetime;
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};
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struct sadb_address {
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uint16_t sadb_address_len;
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uint16_t sadb_address_exttype;
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uint32_t sadb_address_reserved;
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};
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struct sadb_key {
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uint16_t sadb_key_len;
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uint16_t sadb_key_exttype;
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uint16_t sadb_key_bits;
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uint16_t sadb_key_reserved;
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};
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struct sadb_ident {
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uint16_t sadb_ident_len;
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uint16_t sadb_ident_exttype;
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uint16_t sadb_ident_type;
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uint16_t sadb_ident_reserved;
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uint64_t sadb_ident_id;
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};
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struct sadb_sens {
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uint16_t sadb_sens_len;
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uint16_t sadb_sens_exttype;
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uint32_t sadb_sens_dpd;
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uint8_t sadb_sens_sens_level;
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uint8_t sadb_sens_sens_len;
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uint8_t sadb_sens_integ_level;
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uint8_t sadb_sens_integ_len;
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uint32_t sadb_sens_reserved;
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};
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struct sadb_prop {
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uint16_t sadb_prop_len;
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uint16_t sadb_prop_exttype;
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uint8_t sadb_prop_num;
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uint8_t sadb_prop_replay;
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uint16_t sadb_prop_reserved;
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};
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struct sadb_comb {
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uint8_t sadb_comb_auth;
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uint8_t sadb_comb_encrypt;
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uint16_t sadb_comb_flags;
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uint16_t sadb_comb_auth_minbits;
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uint16_t sadb_comb_auth_maxbits;
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uint16_t sadb_comb_encrypt_minbits;
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uint16_t sadb_comb_encrypt_maxbits;
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uint32_t sadb_comb_reserved;
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uint32_t sadb_comb_soft_allocations;
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uint32_t sadb_comb_hard_allocations;
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uint64_t sadb_comb_soft_bytes;
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uint64_t sadb_comb_hard_bytes;
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uint64_t sadb_comb_soft_addtime;
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uint64_t sadb_comb_hard_addtime;
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uint64_t sadb_comb_soft_usetime;
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uint64_t sadb_comb_hard_usetime;
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};
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struct sadb_supported {
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uint16_t sadb_supported_len;
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uint16_t sadb_supported_exttype;
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uint32_t sadb_supported_reserved;
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};
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struct sadb_alg {
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uint8_t sadb_alg_id;
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uint8_t sadb_alg_ivlen;
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uint16_t sadb_alg_minbits;
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uint16_t sadb_alg_maxbits;
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uint16_t sadb_alg_reserved;
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};
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struct sadb_spirange {
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uint16_t sadb_spirange_len;
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uint16_t sadb_spirange_exttype;
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uint32_t sadb_spirange_min;
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uint32_t sadb_spirange_max;
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uint32_t sadb_spirange_reserved;
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};
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struct sadb_protocol {
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uint16_t sadb_protocol_len;
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uint16_t sadb_protocol_exttype;
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uint8_t sadb_protocol_proto;
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uint8_t sadb_protocol_direction;
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uint8_t sadb_protocol_flags;
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uint8_t sadb_protocol_reserved2;
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};
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struct sadb_x_policy {
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uint16_t sadb_x_policy_len;
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uint16_t sadb_x_policy_exttype;
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uint32_t sadb_x_policy_seq;
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};
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struct sadb_x_udpencap {
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uint16_t sadb_x_udpencap_len;
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uint16_t sadb_x_udpencap_exttype;
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uint16_t sadb_x_udpencap_port;
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uint16_t sadb_x_udpencap_reserved;
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};
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struct sadb_x_tag {
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uint16_t sadb_x_tag_len;
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uint16_t sadb_x_tag_exttype;
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uint32_t sadb_x_tag_taglen;
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};
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struct sadb_x_replay {
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uint16_t sadb_x_replay_len;
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uint16_t sadb_x_replay_exttype;
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uint32_t sadb_x_replay_reserved;
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uint64_t sadb_x_replay_count;
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};
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struct sadb_x_rdomain {
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uint16_t sadb_x_rdomain_len;
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uint16_t sadb_x_rdomain_exttype;
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uint16_t sadb_x_rdomain_dom1;
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uint16_t sadb_x_rdomain_dom2;
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};
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struct sadb_x_tap {
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uint16_t sadb_x_tap_len;
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uint16_t sadb_x_tap_exttype;
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uint32_t sadb_x_tap_unit;
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};
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struct sadb_x_counter {
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uint16_t sadb_x_counter_len;
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uint16_t sadb_x_counter_exttype;
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uint32_t sadb_x_counter_pad;
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uint64_t sadb_x_counter_ipackets; /* Input IPsec packets */
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uint64_t sadb_x_counter_opackets; /* Output IPsec packets */
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uint64_t sadb_x_counter_ibytes; /* Input bytes */
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uint64_t sadb_x_counter_obytes; /* Output bytes */
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uint64_t sadb_x_counter_idrops; /* Dropped on input */
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uint64_t sadb_x_counter_odrops; /* Dropped on output */
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uint64_t sadb_x_counter_idecompbytes; /* Input bytes, decompressed */
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uint64_t sadb_x_counter_ouncompbytes; /* Output bytes, uncompressed */
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};
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struct sadb_x_mtu {
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uint16_t sadb_x_mtu_len;
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uint16_t sadb_x_mtu_exttype;
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uint32_t sadb_x_mtu_mtu;
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};
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struct sadb_x_iface {
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uint16_t sadb_x_iface_len;
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uint16_t sadb_x_iface_exttype;
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uint32_t sadb_x_iface_unit;
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uint8_t sadb_x_iface_direction;
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uint8_t sadb_x_iface_reserved[7];
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};
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#ifdef _KERNEL
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#define SADB_X_GETSPROTO(x) \
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( (x) == SADB_SATYPE_AH ? IPPROTO_AH :\
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(x) == SADB_SATYPE_ESP ? IPPROTO_ESP :\
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(x) == SADB_X_SATYPE_TCPSIGNATURE ? IPPROTO_TCP :\
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(x) == SADB_X_SATYPE_IPCOMP ? IPPROTO_IPCOMP: IPPROTO_IPIP )
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#endif
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#define SADB_EXT_RESERVED 0
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#define SADB_EXT_SA 1
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#define SADB_EXT_LIFETIME_CURRENT 2
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#define SADB_EXT_LIFETIME_HARD 3
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#define SADB_EXT_LIFETIME_SOFT 4
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#define SADB_EXT_ADDRESS_SRC 5
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#define SADB_EXT_ADDRESS_DST 6
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#define SADB_EXT_ADDRESS_PROXY 7
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#define SADB_EXT_KEY_AUTH 8
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#define SADB_EXT_KEY_ENCRYPT 9
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#define SADB_EXT_IDENTITY_SRC 10
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#define SADB_EXT_IDENTITY_DST 11
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#define SADB_EXT_SENSITIVITY 12
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#define SADB_EXT_PROPOSAL 13
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#define SADB_EXT_SUPPORTED_AUTH 14
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#define SADB_EXT_SUPPORTED_ENCRYPT 15
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#define SADB_EXT_SPIRANGE 16
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#define SADB_X_EXT_SRC_MASK 17
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#define SADB_X_EXT_DST_MASK 18
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#define SADB_X_EXT_PROTOCOL 19
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#define SADB_X_EXT_FLOW_TYPE 20
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#define SADB_X_EXT_SRC_FLOW 21
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#define SADB_X_EXT_DST_FLOW 22
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#define SADB_X_EXT_SA2 23
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#define SADB_X_EXT_DST2 24
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#define SADB_X_EXT_POLICY 25
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#define SADB_X_EXT_LOCAL_CREDENTIALS 26
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#define SADB_X_EXT_REMOTE_CREDENTIALS 27
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#define SADB_X_EXT_LOCAL_AUTH 28
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#define SADB_X_EXT_REMOTE_AUTH 29
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#define SADB_X_EXT_SUPPORTED_COMP 30
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#define SADB_X_EXT_UDPENCAP 31
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#define SADB_X_EXT_LIFETIME_LASTUSE 32
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#define SADB_X_EXT_TAG 33
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#define SADB_X_EXT_TAP 34
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#define SADB_X_EXT_SATYPE2 35
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#define SADB_X_EXT_COUNTER 36
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#define SADB_X_EXT_RDOMAIN 37
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#define SADB_X_EXT_MTU 38
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#define SADB_X_EXT_REPLAY 39
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#define SADB_X_EXT_IFACE 40
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#define SADB_EXT_MAX 40
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/* Fix pfkeyv2.c struct pfkeyv2_socket if SATYPE_MAX > 31 */
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#define SADB_SATYPE_UNSPEC 0
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#define SADB_SATYPE_AH 1
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#define SADB_SATYPE_ESP 2
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#define SADB_SATYPE_RSVP 3
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#define SADB_SATYPE_OSPFV2 4
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#define SADB_SATYPE_RIPV2 5
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#define SADB_SATYPE_MIP 6
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#define SADB_X_SATYPE_IPIP 7
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#define SADB_X_SATYPE_TCPSIGNATURE 8
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#define SADB_X_SATYPE_IPCOMP 9
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#define SADB_SATYPE_MAX 9
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#define SADB_SASTATE_LARVAL 0
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#define SADB_SASTATE_MATURE 1
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#define SADB_SASTATE_DYING 2
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#define SADB_SASTATE_DEAD 3
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#define SADB_SASTATE_MAX 3
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#define SADB_AALG_NONE 0
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#define SADB_AALG_MD5HMAC 2
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#define SADB_AALG_SHA1HMAC 3
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#define SADB_X_AALG_SHA2_256 5
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#define SADB_X_AALG_SHA2_384 6
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#define SADB_X_AALG_SHA2_512 7
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#define SADB_X_AALG_RIPEMD160HMAC 8
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#define SADB_X_AALG_AES128GMAC 9
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#define SADB_X_AALG_AES192GMAC 10
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#define SADB_X_AALG_AES256GMAC 11
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#define SADB_X_AALG_CHACHA20POLY1305 12
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#define SADB_AALG_MAX 12
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#define SADB_EALG_NONE 0
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#define SADB_EALG_3DESCBC 3
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#define SADB_X_EALG_CAST 6
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#define SADB_X_EALG_BLF 7
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#define SADB_EALG_NULL 11
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#define SADB_X_EALG_AES 12
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#define SADB_X_EALG_AESCTR 13
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#define SADB_X_EALG_AESGCM8 18
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#define SADB_X_EALG_AESGCM12 19
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#define SADB_X_EALG_AESGCM16 20
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#define SADB_X_EALG_AESGMAC 21
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#define SADB_X_EALG_CHACHA20POLY1305 22
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#define SADB_EALG_MAX 22
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#define SADB_X_CALG_NONE 0
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#define SADB_X_CALG_OUI 1
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#define SADB_X_CALG_DEFLATE 2
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#define SADB_X_CALG_MAX 2
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#define SADB_SAFLAGS_PFS 0x001 /* perfect forward secrecy */
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#define SADB_X_SAFLAGS_TUNNEL 0x004 /* Force tunneling */
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#define SADB_X_SAFLAGS_CHAINDEL 0x008 /* Delete whole SA chain */
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#define SADB_X_SAFLAGS_UDPENCAP 0x200 /* ESP in UDP */
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#define SADB_X_SAFLAGS_ESN 0x400 /* Extended Sequence Number */
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#define SADB_X_POLICYFLAGS_POLICY 0x0001 /* This is a static policy */
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#define SADB_IDENTTYPE_RESERVED 0
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#define SADB_IDENTTYPE_PREFIX 1
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#define SADB_IDENTTYPE_FQDN 2
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#define SADB_IDENTTYPE_USERFQDN 3
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#define SADB_IDENTTYPE_ASN1_DN 4
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#define SADB_IDENTTYPE_MAX 4
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#define SADB_KEY_FLAGS_MAX 0
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#ifdef _KERNEL
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#define PFKEYV2_LIFETIME_HARD 0
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#define PFKEYV2_LIFETIME_SOFT 1
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#define PFKEYV2_LIFETIME_CURRENT 2
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#define PFKEYV2_LIFETIME_LASTUSE 3
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#define PFKEYV2_IDENTITY_SRC 0
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#define PFKEYV2_IDENTITY_DST 1
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#define PFKEYV2_ENCRYPTION_KEY 0
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#define PFKEYV2_AUTHENTICATION_KEY 1
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#define PFKEYV2_SOCKETFLAGS_REGISTERED 1
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#define PFKEYV2_SOCKETFLAGS_PROMISC 2
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#define PFKEYV2_SENDMESSAGE_UNICAST 1
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#define PFKEYV2_SENDMESSAGE_REGISTERED 2
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#define PFKEYV2_SENDMESSAGE_BROADCAST 3
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#endif /* _KERNEL */
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#define SADB_X_FLOW_TYPE_USE 1
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#define SADB_X_FLOW_TYPE_ACQUIRE 2
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#define SADB_X_FLOW_TYPE_REQUIRE 3
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#define SADB_X_FLOW_TYPE_BYPASS 4
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#define SADB_X_FLOW_TYPE_DENY 5
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#define SADB_X_FLOW_TYPE_DONTACQ 6
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#ifdef _KERNEL
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struct tdb;
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struct socket;
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struct mbuf;
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#define EXTLEN(x) (((struct sadb_ext *)(x))->sadb_ext_len * sizeof(uint64_t))
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#define PADUP(x) (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1))
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int pfkeyv2_parsemessage(void *, int, void **);
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int pfkeyv2_expire(struct tdb *, u_int16_t);
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int pfkeyv2_acquire(struct ipsec_policy *, union sockaddr_union *,
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union sockaddr_union *, u_int32_t *, struct sockaddr_encap *);
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int pfkeyv2_get(struct tdb *, void **, void **, int *, int *);
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int pfkeyv2_policy(struct ipsec_acquire *, void **, void **, int *);
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int pfkeyv2_dosend(struct socket *, void *, int);
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int pfkeyv2_sendmessage(void **, int, struct socket *, u_int8_t, int, u_int);
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int pfkeyv2_dump_policy(struct ipsec_policy *, void **, void **, int *);
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int pfkeyv2_dump_walker(struct tdb *, void *, int);
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int pfkeyv2_get_proto_alg(u_int8_t, u_int8_t *, int *);
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int pfkeyv2_sysctl(int *, u_int, void *, size_t *, void *, size_t);
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int pfkeyv2_sysctl_walker(struct tdb *, void *, int);
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int pfkeyv2_sysctl_dump(void *);
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int pfdatatopacket(void *, int, struct mbuf **);
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void export_address(void **, struct sockaddr *);
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void export_identities(void **, struct ipsec_ids *, int, void **);
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void export_lifetime(void **, struct tdb *, int);
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void export_sa(void **, struct tdb *);
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void export_flow(void **, u_int8_t, struct sockaddr_encap *,
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struct sockaddr_encap *, void **);
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void export_key(void **, struct tdb *, int);
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void export_udpencap(void **, struct tdb *);
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void export_tag(void **, struct tdb *);
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void export_replay(void **, struct tdb *);
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void export_rdomain(void **, struct tdb *);
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void export_mtu(void **, struct tdb *);
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void export_tap(void **, struct tdb *);
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void export_satype(void **, struct tdb *);
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void export_counter(void **, struct tdb *);
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void export_iface(void **, struct tdb *);
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void import_address(struct sockaddr *, struct sadb_address *);
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void import_identities(struct ipsec_ids **, int, struct sadb_ident *,
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struct sadb_ident *);
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void import_key(struct ipsecinit *, struct sadb_key *, int);
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void import_lifetime(struct tdb *, struct sadb_lifetime *, int);
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void import_sa(struct tdb *, struct sadb_sa *, struct ipsecinit *);
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int import_flow(struct sockaddr_encap *, struct sockaddr_encap *,
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struct sadb_address *, struct sadb_address *, struct sadb_address *,
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struct sadb_address *, struct sadb_protocol *, struct sadb_protocol *);
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void import_udpencap(struct tdb *, struct sadb_x_udpencap *);
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void import_tag(struct tdb *, struct sadb_x_tag *);
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void import_rdomain(struct tdb *, struct sadb_x_rdomain *);
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void import_tap(struct tdb *, struct sadb_x_tap *);
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void import_iface(struct tdb *, struct sadb_x_iface *);
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extern const uint64_t sadb_exts_allowed_out[SADB_MAX+1];
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extern const uint64_t sadb_exts_required_out[SADB_MAX+1];
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extern struct pool ipsec_policy_pool;
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extern struct pool ipsec_acquire_pool;
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#endif /* _KERNEL */
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#endif /* _NET_PFKEY_V2_H_ */
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