1105197Ssam/* $FreeBSD$ */ 2105197Ssam/* $KAME: ipsec.h,v 1.53 2001/11/20 08:32:38 itojun Exp $ */ 3105197Ssam 4139823Simp/*- 5105197Ssam * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6105197Ssam * All rights reserved. 7105197Ssam * 8105197Ssam * Redistribution and use in source and binary forms, with or without 9105197Ssam * modification, are permitted provided that the following conditions 10105197Ssam * are met: 11105197Ssam * 1. Redistributions of source code must retain the above copyright 12105197Ssam * notice, this list of conditions and the following disclaimer. 13105197Ssam * 2. Redistributions in binary form must reproduce the above copyright 14105197Ssam * notice, this list of conditions and the following disclaimer in the 15105197Ssam * documentation and/or other materials provided with the distribution. 16105197Ssam * 3. Neither the name of the project nor the names of its contributors 17105197Ssam * may be used to endorse or promote products derived from this software 18105197Ssam * without specific prior written permission. 19105197Ssam * 20105197Ssam * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21105197Ssam * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22105197Ssam * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23105197Ssam * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24105197Ssam * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25105197Ssam * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26105197Ssam * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27105197Ssam * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28105197Ssam * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29105197Ssam * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30105197Ssam * SUCH DAMAGE. 31105197Ssam */ 32105197Ssam 33105197Ssam/* 34105197Ssam * IPsec controller part. 35105197Ssam */ 36105197Ssam 37105197Ssam#ifndef _NETIPSEC_IPSEC_H_ 38105197Ssam#define _NETIPSEC_IPSEC_H_ 39105197Ssam 40105197Ssam#if defined(_KERNEL) && !defined(_LKM) && !defined(KLD_MODULE) 41105197Ssam#include "opt_inet.h" 42105197Ssam#include "opt_ipsec.h" 43105197Ssam#endif 44105197Ssam 45105197Ssam#include <net/pfkeyv2.h> 46105197Ssam#include <netipsec/keydb.h> 47105197Ssam 48105197Ssam#ifdef _KERNEL 49105197Ssam 50179067Sgnn#define IPSEC_ASSERT(_c,_m) KASSERT(_c, _m) 51179067Sgnn 52179067Sgnn#define IPSEC_IS_PRIVILEGED_SO(_so) \ 53179067Sgnn ((_so)->so_cred != NULL && \ 54179067Sgnn priv_check_cred((_so)->so_cred, PRIV_NETINET_IPSEC, 0) \ 55179067Sgnn == 0) 56179067Sgnn 57105197Ssam/* 58105197Ssam * Security Policy Index 59105197Ssam * Ensure that both address families in the "src" and "dst" are same. 60105197Ssam * When the value of the ul_proto is ICMPv6, the port field in "src" 61105197Ssam * specifies ICMPv6 type, and the port field in "dst" specifies ICMPv6 code. 62105197Ssam */ 63105197Ssamstruct secpolicyindex { 64196882Spjd u_int8_t dir; /* direction of packet flow, see below */ 65105197Ssam union sockaddr_union src; /* IP src address for SP */ 66105197Ssam union sockaddr_union dst; /* IP dst address for SP */ 67105197Ssam u_int8_t prefs; /* prefix length in bits for src */ 68105197Ssam u_int8_t prefd; /* prefix length in bits for dst */ 69105197Ssam u_int16_t ul_proto; /* upper layer Protocol */ 70105197Ssam#ifdef notyet 71105197Ssam uid_t uids; 72105197Ssam uid_t uidd; 73105197Ssam gid_t gids; 74105197Ssam gid_t gidd; 75105197Ssam#endif 76105197Ssam}; 77105197Ssam 78105197Ssam/* Security Policy Data Base */ 79105197Ssamstruct secpolicy { 80105197Ssam LIST_ENTRY(secpolicy) chain; 81119643Ssam struct mtx lock; 82105197Ssam 83105197Ssam u_int refcnt; /* reference count */ 84105197Ssam struct secpolicyindex spidx; /* selector */ 85105197Ssam u_int32_t id; /* It's unique number on the system. */ 86105197Ssam u_int state; /* 0: dead, others: alive */ 87105197Ssam#define IPSEC_SPSTATE_DEAD 0 88105197Ssam#define IPSEC_SPSTATE_ALIVE 1 89120585Ssam u_int16_t policy; /* policy_type per pfkeyv2.h */ 90120585Ssam u_int16_t scangen; /* scan generation # */ 91105197Ssam struct ipsecrequest *req; 92105197Ssam /* pointer to the ipsec request tree, */ 93105197Ssam /* if policy == IPSEC else this value == NULL.*/ 94105197Ssam 95105197Ssam /* 96105197Ssam * lifetime handler. 97105197Ssam * the policy can be used without limitiation if both lifetime and 98105197Ssam * validtime are zero. 99105197Ssam * "lifetime" is passed by sadb_lifetime.sadb_lifetime_addtime. 100105197Ssam * "validtime" is passed by sadb_lifetime.sadb_lifetime_usetime. 101105197Ssam */ 102120585Ssam time_t created; /* time created the policy */ 103120585Ssam time_t lastused; /* updated every when kernel sends a packet */ 104105197Ssam long lifetime; /* duration of the lifetime of this policy */ 105105197Ssam long validtime; /* duration this policy is valid without use */ 106105197Ssam}; 107105197Ssam 108120585Ssam#define SECPOLICY_LOCK_INIT(_sp) \ 109120585Ssam mtx_init(&(_sp)->lock, "ipsec policy", NULL, MTX_DEF) 110120585Ssam#define SECPOLICY_LOCK(_sp) mtx_lock(&(_sp)->lock) 111120585Ssam#define SECPOLICY_UNLOCK(_sp) mtx_unlock(&(_sp)->lock) 112120585Ssam#define SECPOLICY_LOCK_DESTROY(_sp) mtx_destroy(&(_sp)->lock) 113120585Ssam#define SECPOLICY_LOCK_ASSERT(_sp) mtx_assert(&(_sp)->lock, MA_OWNED) 114120585Ssam 115105197Ssam/* Request for IPsec */ 116105197Ssamstruct ipsecrequest { 117105197Ssam struct ipsecrequest *next; 118105197Ssam /* pointer to next structure */ 119105197Ssam /* If NULL, it means the end of chain. */ 120105197Ssam struct secasindex saidx;/* hint for search proper SA */ 121105197Ssam /* if __ss_len == 0 then no address specified.*/ 122105197Ssam u_int level; /* IPsec level defined below. */ 123105197Ssam 124105197Ssam struct secasvar *sav; /* place holder of SA for use */ 125105197Ssam struct secpolicy *sp; /* back pointer to SP */ 126220206Sfabient struct rwlock lock; /* to interlock updates */ 127105197Ssam}; 128105197Ssam 129120585Ssam/* 130120585Ssam * Need recursion for when crypto callbacks happen directly, 131120585Ssam * as in the case of software crypto. Need to look at how 132120585Ssam * hard it is to remove this... 133120585Ssam */ 134120585Ssam#define IPSECREQUEST_LOCK_INIT(_isr) \ 135220206Sfabient rw_init_flags(&(_isr)->lock, "ipsec request", RW_RECURSE) 136220206Sfabient#define IPSECREQUEST_LOCK(_isr) rw_rlock(&(_isr)->lock) 137220206Sfabient#define IPSECREQUEST_UNLOCK(_isr) rw_runlock(&(_isr)->lock) 138220206Sfabient#define IPSECREQUEST_WLOCK(_isr) rw_wlock(&(_isr)->lock) 139220206Sfabient#define IPSECREQUEST_WUNLOCK(_isr) rw_wunlock(&(_isr)->lock) 140220206Sfabient#define IPSECREQUEST_UPGRADE(_isr) rw_try_upgrade(&(_isr)->lock) 141220206Sfabient#define IPSECREQUEST_DOWNGRADE(_isr) rw_downgrade(&(_isr)->lock) 142220206Sfabient#define IPSECREQUEST_LOCK_DESTROY(_isr) rw_destroy(&(_isr)->lock) 143220206Sfabient#define IPSECREQUEST_LOCK_ASSERT(_isr) rw_assert(&(_isr)->lock, RA_LOCKED) 144120585Ssam 145105197Ssam/* security policy in PCB */ 146105197Ssamstruct inpcbpolicy { 147105197Ssam struct secpolicy *sp_in; 148105197Ssam struct secpolicy *sp_out; 149105197Ssam int priv; /* privileged socket ? */ 150105197Ssam}; 151105197Ssam 152105197Ssam/* SP acquiring list table. */ 153105197Ssamstruct secspacq { 154105197Ssam LIST_ENTRY(secspacq) chain; 155105197Ssam 156105197Ssam struct secpolicyindex spidx; 157105197Ssam 158120585Ssam time_t created; /* for lifetime */ 159105197Ssam int count; /* for lifetime */ 160105197Ssam /* XXX: here is mbuf place holder to be sent ? */ 161105197Ssam}; 162105197Ssam#endif /* _KERNEL */ 163105197Ssam 164105197Ssam/* according to IANA assignment, port 0x0000 and proto 0xff are reserved. */ 165105197Ssam#define IPSEC_PORT_ANY 0 166105197Ssam#define IPSEC_ULPROTO_ANY 255 167105197Ssam#define IPSEC_PROTO_ANY 255 168105197Ssam 169105197Ssam/* mode of security protocol */ 170105197Ssam/* NOTE: DON'T use IPSEC_MODE_ANY at SPD. It's only use in SAD */ 171105197Ssam#define IPSEC_MODE_ANY 0 /* i.e. wildcard. */ 172105197Ssam#define IPSEC_MODE_TRANSPORT 1 173105197Ssam#define IPSEC_MODE_TUNNEL 2 174125680Sbms#define IPSEC_MODE_TCPMD5 3 /* TCP MD5 mode */ 175105197Ssam 176105197Ssam/* 177105197Ssam * Direction of security policy. 178105197Ssam * NOTE: Since INVALID is used just as flag. 179105197Ssam * The other are used for loop counter too. 180105197Ssam */ 181105197Ssam#define IPSEC_DIR_ANY 0 182105197Ssam#define IPSEC_DIR_INBOUND 1 183105197Ssam#define IPSEC_DIR_OUTBOUND 2 184105197Ssam#define IPSEC_DIR_MAX 3 185105197Ssam#define IPSEC_DIR_INVALID 4 186105197Ssam 187105197Ssam/* Policy level */ 188105197Ssam/* 189105197Ssam * IPSEC, ENTRUST and BYPASS are allowed for setsockopt() in PCB, 190105197Ssam * DISCARD, IPSEC and NONE are allowed for setkey() in SPD. 191105197Ssam * DISCARD and NONE are allowed for system default. 192105197Ssam */ 193105197Ssam#define IPSEC_POLICY_DISCARD 0 /* discarding packet */ 194105197Ssam#define IPSEC_POLICY_NONE 1 /* through IPsec engine */ 195105197Ssam#define IPSEC_POLICY_IPSEC 2 /* do IPsec */ 196105197Ssam#define IPSEC_POLICY_ENTRUST 3 /* consulting SPD if present. */ 197105197Ssam#define IPSEC_POLICY_BYPASS 4 /* only for privileged socket. */ 198105197Ssam 199105197Ssam/* Security protocol level */ 200105197Ssam#define IPSEC_LEVEL_DEFAULT 0 /* reference to system default */ 201105197Ssam#define IPSEC_LEVEL_USE 1 /* use SA if present. */ 202105197Ssam#define IPSEC_LEVEL_REQUIRE 2 /* require SA. */ 203105197Ssam#define IPSEC_LEVEL_UNIQUE 3 /* unique SA. */ 204105197Ssam 205105197Ssam#define IPSEC_MANUAL_REQID_MAX 0x3fff 206105197Ssam /* 207105197Ssam * if security policy level == unique, this id 208105197Ssam * indicate to a relative SA for use, else is 209105197Ssam * zero. 210105197Ssam * 1 - 0x3fff are reserved for manual keying. 211105197Ssam * 0 are reserved for above reason. Others is 212105197Ssam * for kernel use. 213105197Ssam * Note that this id doesn't identify SA 214105197Ssam * by only itself. 215105197Ssam */ 216105197Ssam#define IPSEC_REPLAYWSIZE 32 217105197Ssam 218171133Sgnn/* statistics for ipsec processing */ 219105197Ssamstruct ipsecstat { 220253571Sae uint64_t ips_in_polvio; /* input: sec policy violation */ 221253571Sae uint64_t ips_in_nomem; /* input: no memory available */ 222253571Sae uint64_t ips_in_inval; /* input: generic error */ 223125098Ssam 224253081Sae uint64_t ips_out_polvio; /* output: sec policy violation */ 225253081Sae uint64_t ips_out_nosa; /* output: SA unavailable */ 226253081Sae uint64_t ips_out_nomem; /* output: no memory available */ 227253081Sae uint64_t ips_out_noroute; /* output: no route available */ 228253081Sae uint64_t ips_out_inval; /* output: generic error */ 229253081Sae uint64_t ips_out_bundlesa; /* output: bundled SA processed */ 230253571Sae 231253081Sae uint64_t ips_mbcoalesced; /* mbufs coalesced during clone */ 232253081Sae uint64_t ips_clcoalesced; /* clusters coalesced during clone */ 233253081Sae uint64_t ips_clcopied; /* clusters copied during clone */ 234253081Sae uint64_t ips_mbinserted; /* mbufs inserted during makespace */ 235105197Ssam /* 236105197Ssam * Temporary statistics for performance analysis. 237105197Ssam */ 238105197Ssam /* See where ESP/AH/IPCOMP header land in mbuf on input */ 239253081Sae uint64_t ips_input_front; 240253081Sae uint64_t ips_input_middle; 241253081Sae uint64_t ips_input_end; 242105197Ssam}; 243105197Ssam 244105197Ssam/* 245105197Ssam * Definitions for IPsec & Key sysctl operations. 246105197Ssam */ 247105197Ssam/* 248105197Ssam * Names for IPsec & Key sysctl objects 249105197Ssam */ 250105197Ssam#define IPSECCTL_STATS 1 /* stats */ 251105197Ssam#define IPSECCTL_DEF_POLICY 2 252105197Ssam#define IPSECCTL_DEF_ESP_TRANSLEV 3 /* int; ESP transport mode */ 253105197Ssam#define IPSECCTL_DEF_ESP_NETLEV 4 /* int; ESP tunnel mode */ 254105197Ssam#define IPSECCTL_DEF_AH_TRANSLEV 5 /* int; AH transport mode */ 255105197Ssam#define IPSECCTL_DEF_AH_NETLEV 6 /* int; AH tunnel mode */ 256105197Ssam#if 0 /* obsolete, do not reuse */ 257105197Ssam#define IPSECCTL_INBOUND_CALL_IKE 7 258105197Ssam#endif 259105197Ssam#define IPSECCTL_AH_CLEARTOS 8 260105197Ssam#define IPSECCTL_AH_OFFSETMASK 9 261105197Ssam#define IPSECCTL_DFBIT 10 262105197Ssam#define IPSECCTL_ECN 11 263105197Ssam#define IPSECCTL_DEBUG 12 264105197Ssam#define IPSECCTL_ESP_RANDPAD 13 265105197Ssam#define IPSECCTL_MAXID 14 266105197Ssam 267105197Ssam#ifdef _KERNEL 268253088Sae#include <sys/counter.h> 269253088Sae 270105197Ssamstruct ipsec_output_state { 271105197Ssam struct mbuf *m; 272105197Ssam struct route *ro; 273105197Ssam struct sockaddr *dst; 274105197Ssam}; 275105197Ssam 276105197Ssamstruct ipsec_history { 277105197Ssam int ih_proto; 278105197Ssam u_int32_t ih_spi; 279105197Ssam}; 280105197Ssam 281195699SrwatsonVNET_DECLARE(int, ipsec_debug); 282195727Srwatson#define V_ipsec_debug VNET(ipsec_debug) 283207369Sbz 284207369Sbz#ifdef REGRESSION 285207369SbzVNET_DECLARE(int, ipsec_replay); 286207369SbzVNET_DECLARE(int, ipsec_integrity); 287207369Sbz 288207369Sbz#define V_ipsec_replay VNET(ipsec_replay) 289207369Sbz#define V_ipsec_integrity VNET(ipsec_integrity) 290207369Sbz#endif 291207369Sbz 292253088SaeVNET_PCPUSTAT_DECLARE(struct ipsecstat, ipsec4stat); 293207369SbzVNET_DECLARE(struct secpolicy, ip4_def_policy); 294207369SbzVNET_DECLARE(int, ip4_esp_trans_deflev); 295207369SbzVNET_DECLARE(int, ip4_esp_net_deflev); 296207369SbzVNET_DECLARE(int, ip4_ah_trans_deflev); 297207369SbzVNET_DECLARE(int, ip4_ah_net_deflev); 298195699SrwatsonVNET_DECLARE(int, ip4_ah_offsetmask); 299195699SrwatsonVNET_DECLARE(int, ip4_ipsec_dfbit); 300207369SbzVNET_DECLARE(int, ip4_ipsec_ecn); 301207369SbzVNET_DECLARE(int, ip4_esp_randpad); 302207369SbzVNET_DECLARE(int, crypto_support); 303207369Sbz 304253088Sae#define IPSECSTAT_INC(name) \ 305253088Sae VNET_PCPUSTAT_ADD(struct ipsecstat, ipsec4stat, name, 1) 306207369Sbz#define V_ip4_def_policy VNET(ip4_def_policy) 307195727Srwatson#define V_ip4_esp_trans_deflev VNET(ip4_esp_trans_deflev) 308195727Srwatson#define V_ip4_esp_net_deflev VNET(ip4_esp_net_deflev) 309195727Srwatson#define V_ip4_ah_trans_deflev VNET(ip4_ah_trans_deflev) 310195727Srwatson#define V_ip4_ah_net_deflev VNET(ip4_ah_net_deflev) 311207369Sbz#define V_ip4_ah_offsetmask VNET(ip4_ah_offsetmask) 312207369Sbz#define V_ip4_ipsec_dfbit VNET(ip4_ipsec_dfbit) 313195727Srwatson#define V_ip4_ipsec_ecn VNET(ip4_ipsec_ecn) 314195727Srwatson#define V_ip4_esp_randpad VNET(ip4_esp_randpad) 315195727Srwatson#define V_crypto_support VNET(crypto_support) 316195699Srwatson 317181803Sbz#define ipseclog(x) do { if (V_ipsec_debug) log x; } while (0) 318105197Ssam/* for openbsd compatibility */ 319181803Sbz#define DPRINTF(x) do { if (V_ipsec_debug) printf x; } while (0) 320105197Ssam 321119643Ssamextern struct ipsecrequest *ipsec_newisr(void); 322119643Ssamextern void ipsec_delisr(struct ipsecrequest *); 323119643Ssam 324105197Ssamstruct tdb_ident; 325105197Ssamextern struct secpolicy *ipsec_getpolicy __P((struct tdb_ident*, u_int)); 326105197Ssamstruct inpcb; 327105197Ssamextern struct secpolicy *ipsec4_checkpolicy __P((struct mbuf *, u_int, u_int, 328105197Ssam int *, struct inpcb *)); 329105197Ssamextern struct secpolicy * ipsec_getpolicybyaddr(struct mbuf *, u_int, 330105197Ssam int, int *); 331105197Ssam 332105197Ssamstruct inpcb; 333105197Ssamextern int ipsec_init_policy __P((struct socket *so, struct inpcbpolicy **)); 334105197Ssamextern int ipsec_copy_policy 335105197Ssam __P((struct inpcbpolicy *, struct inpcbpolicy *)); 336105197Ssamextern u_int ipsec_get_reqlevel __P((struct ipsecrequest *)); 337105197Ssamextern int ipsec_in_reject __P((struct secpolicy *, struct mbuf *)); 338105197Ssam 339188306Sbzextern int ipsec_set_policy __P((struct inpcb *inp, int optname, 340175892Sbz caddr_t request, size_t len, struct ucred *cred)); 341188306Sbzextern int ipsec_get_policy __P((struct inpcb *inpcb, caddr_t request, 342105197Ssam size_t len, struct mbuf **mp)); 343185366Sbzextern int ipsec_delete_pcbpolicy __P((struct inpcb *)); 344105197Ssamextern int ipsec4_in_reject __P((struct mbuf *, struct inpcb *)); 345105197Ssam 346105197Ssamstruct secas; 347105197Ssamstruct tcpcb; 348105197Ssamextern int ipsec_chkreplay __P((u_int32_t, struct secasvar *)); 349105197Ssamextern int ipsec_updatereplay __P((u_int32_t, struct secasvar *)); 350105197Ssam 351188306Sbzextern size_t ipsec_hdrsiz __P((struct mbuf *, u_int, struct inpcb *)); 352105197Ssamextern size_t ipsec_hdrsiz_tcp __P((struct tcpcb *)); 353105197Ssam 354105197Ssamunion sockaddr_union; 355105197Ssamextern char * ipsec_address(union sockaddr_union* sa); 356105197Ssamextern const char *ipsec_logsastr __P((struct secasvar *)); 357105197Ssam 358105197Ssamextern void ipsec_dumpmbuf __P((struct mbuf *)); 359105197Ssam 360105197Ssamstruct m_tag; 361106680Ssamextern void ah4_input(struct mbuf *m, int off); 362120585Ssamextern void ah4_ctlinput(int cmd, struct sockaddr *sa, void *); 363106680Ssamextern void esp4_input(struct mbuf *m, int off); 364120585Ssamextern void esp4_ctlinput(int cmd, struct sockaddr *sa, void *); 365106680Ssamextern void ipcomp4_input(struct mbuf *m, int off); 366105197Ssamextern int ipsec4_common_input(struct mbuf *m, ...); 367105197Ssamextern int ipsec4_common_input_cb(struct mbuf *m, struct secasvar *sav, 368105197Ssam int skip, int protoff, struct m_tag *mt); 369105197Ssamextern int ipsec4_process_packet __P((struct mbuf *, struct ipsecrequest *, 370105197Ssam int, int)); 371105197Ssamextern int ipsec_process_done __P((struct mbuf *, struct ipsecrequest *)); 372105197Ssam 373105197Ssamextern struct mbuf *ipsec_copypkt __P((struct mbuf *)); 374105197Ssam 375105197Ssamextern void m_checkalignment(const char* where, struct mbuf *m0, 376105197Ssam int off, int len); 377105197Ssamextern struct mbuf *m_makespace(struct mbuf *m0, int skip, int hlen, int *off); 378105197Ssamextern caddr_t m_pad(struct mbuf *m, int n); 379105197Ssamextern int m_striphdr(struct mbuf *m, int skip, int hlen); 380174054Sbz 381174054Sbz#ifdef DEV_ENC 382174054Sbz#define ENC_BEFORE 0x0001 383174054Sbz#define ENC_AFTER 0x0002 384174054Sbz#define ENC_IN 0x0100 385174054Sbz#define ENC_OUT 0x0200 386174054Sbzextern int ipsec_filter(struct mbuf **, int, int); 387174054Sbzextern void ipsec_bpf(struct mbuf *, struct secasvar *, int, int); 388174054Sbz#endif 389105197Ssam#endif /* _KERNEL */ 390105197Ssam 391105197Ssam#ifndef _KERNEL 392105197Ssamextern caddr_t ipsec_set_policy __P((char *, int)); 393105197Ssamextern int ipsec_get_policylen __P((caddr_t)); 394105197Ssamextern char *ipsec_dump_policy __P((caddr_t, char *)); 395105197Ssam 396105197Ssamextern const char *ipsec_strerror __P((void)); 397105197Ssam 398183550Szec#endif /* ! KERNEL */ 399183550Szec 400105197Ssam#endif /* _NETIPSEC_IPSEC_H_ */ 401