Index: projects/ipsec/sys/netipsec/ipsec.h =================================================================== --- projects/ipsec/sys/netipsec/ipsec.h (revision 308830) +++ projects/ipsec/sys/netipsec/ipsec.h (revision 308831) @@ -1,373 +1,363 @@ /* $FreeBSD$ */ /* $KAME: ipsec.h,v 1.53 2001/11/20 08:32:38 itojun 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. */ /* * IPsec controller part. */ #ifndef _NETIPSEC_IPSEC_H_ #define _NETIPSEC_IPSEC_H_ #if defined(_KERNEL) && !defined(_LKM) && !defined(KLD_MODULE) #include "opt_inet.h" #include "opt_ipsec.h" #endif #include #include #ifdef _KERNEL #include #include #include #define IPSEC_ASSERT(_c,_m) KASSERT(_c, _m) #define IPSEC_IS_PRIVILEGED_SO(_so) \ ((_so)->so_cred != NULL && \ priv_check_cred((_so)->so_cred, PRIV_NETINET_IPSEC, 0) \ == 0) /* * Security Policy Index * Ensure that both address families in the "src" and "dst" are same. * When the value of the ul_proto is ICMPv6, the port field in "src" * specifies ICMPv6 type, and the port field in "dst" specifies ICMPv6 code. */ struct secpolicyindex { - u_int8_t dir; /* direction of packet flow, see below */ union sockaddr_union src; /* IP src address for SP */ union sockaddr_union dst; /* IP dst address for SP */ - u_int8_t prefs; /* prefix length in bits for src */ - u_int8_t prefd; /* prefix length in bits for dst */ - u_int16_t ul_proto; /* upper layer Protocol */ -#ifdef notyet - uid_t uids; - uid_t uidd; - gid_t gids; - gid_t gidd; -#endif + uint8_t ul_proto; /* upper layer Protocol */ + uint8_t dir; /* direction of packet flow */ + uint8_t prefs; /* prefix length in bits for src */ + uint8_t prefd; /* prefix length in bits for dst */ }; +/* Request for IPsec */ +struct ipsecrequest { + struct secasindex saidx;/* hint for search proper SA */ + /* if __ss_len == 0 then no address specified.*/ + u_int level; /* IPsec level defined below. */ +}; + /* Security Policy Data Base */ struct secpolicy { TAILQ_ENTRY(secpolicy) chain; + LIST_ENTRY(secpolicy) idhash; + LIST_ENTRY(secpolicy) drainq; struct secpolicyindex spidx; /* selector */ - struct ipsecrequest *req; - /* pointer to the ipsec request tree, */ - /* if policy == IPSEC else this value == NULL.*/ - u_int refcnt; /* reference count */ +#define IPSEC_MAXREQ 4 + struct ipsecrequest *req[IPSEC_MAXREQ]; + u_int tcount; /* IPsec transforms count */ + volatile u_int refcnt; /* reference count */ u_int policy; /* policy_type per pfkeyv2.h */ u_int state; #define IPSEC_SPSTATE_DEAD 0 -#define IPSEC_SPSTATE_ALIVE 1 - u_int32_t priority; /* priority of this policy */ - u_int32_t id; /* It's unique number on the system. */ +#define IPSEC_SPSTATE_LARVAL 1 +#define IPSEC_SPSTATE_ALIVE 2 +#define IPSEC_SPSTATE_PCB 3 +#define IPSEC_SPSTATE_IFNET 4 + uint32_t priority; /* priority of this policy */ + uint32_t id; /* It's unique number on the system. */ /* * lifetime handler. * the policy can be used without limitiation if both lifetime and * validtime are zero. * "lifetime" is passed by sadb_lifetime.sadb_lifetime_addtime. * "validtime" is passed by sadb_lifetime.sadb_lifetime_usetime. */ time_t created; /* time created the policy */ time_t lastused; /* updated every when kernel sends a packet */ long lifetime; /* duration of the lifetime of this policy */ long validtime; /* duration this policy is valid without use */ }; -/* Request for IPsec */ -struct ipsecrequest { - struct ipsecrequest *next; - /* pointer to next structure */ - /* If NULL, it means the end of chain. */ - struct secasindex saidx;/* hint for search proper SA */ - /* if __ss_len == 0 then no address specified.*/ - u_int level; /* IPsec level defined below. */ - - struct secasvar *sav; /* place holder of SA for use */ - struct secpolicy *sp; /* back pointer to SP */ - struct rwlock lock; /* to interlock updates */ -}; - /* - * Need recursion for when crypto callbacks happen directly, - * as in the case of software crypto. Need to look at how - * hard it is to remove this... + * PCB security policies. + * Application can setup private security policies for socket. + * Such policies can have IPSEC, BYPASS and ENTRUST type. + * By default policies set to NULL, this mean that they have ENTRUST type. + * When application sets BYPASS or IPSEC type policy, flags field + * also updated. In case when flags is not set, the system could store + * used security policy into the sp_in/sp_out pointer to speedup further + * lookups. */ -#define IPSECREQUEST_LOCK_INIT(_isr) \ - rw_init_flags(&(_isr)->lock, "ipsec request", RW_RECURSE) -#define IPSECREQUEST_LOCK(_isr) rw_rlock(&(_isr)->lock) -#define IPSECREQUEST_UNLOCK(_isr) rw_runlock(&(_isr)->lock) -#define IPSECREQUEST_WLOCK(_isr) rw_wlock(&(_isr)->lock) -#define IPSECREQUEST_WUNLOCK(_isr) rw_wunlock(&(_isr)->lock) -#define IPSECREQUEST_UPGRADE(_isr) rw_try_upgrade(&(_isr)->lock) -#define IPSECREQUEST_DOWNGRADE(_isr) rw_downgrade(&(_isr)->lock) -#define IPSECREQUEST_LOCK_DESTROY(_isr) rw_destroy(&(_isr)->lock) -#define IPSECREQUEST_LOCK_ASSERT(_isr) rw_assert(&(_isr)->lock, RA_LOCKED) - -/* security policy in PCB */ struct inpcbpolicy { - struct secpolicy *sp_in; - struct secpolicy *sp_out; - int priv; /* privileged socket ? */ + struct secpolicy *sp_in; + struct secpolicy *sp_out; + + uint32_t genid; + uint16_t flags; +#define INP_INBOUND_POLICY 0x0001 +#define INP_OUTBOUND_POLICY 0x0002 + uint16_t hdrsz; }; /* SP acquiring list table. */ struct secspacq { LIST_ENTRY(secspacq) chain; struct secpolicyindex spidx; time_t created; /* for lifetime */ int count; /* for lifetime */ /* XXX: here is mbuf place holder to be sent ? */ }; #endif /* _KERNEL */ /* according to IANA assignment, port 0x0000 and proto 0xff are reserved. */ #define IPSEC_PORT_ANY 0 #define IPSEC_ULPROTO_ANY 255 #define IPSEC_PROTO_ANY 255 /* mode of security protocol */ /* NOTE: DON'T use IPSEC_MODE_ANY at SPD. It's only use in SAD */ #define IPSEC_MODE_ANY 0 /* i.e. wildcard. */ #define IPSEC_MODE_TRANSPORT 1 #define IPSEC_MODE_TUNNEL 2 #define IPSEC_MODE_TCPMD5 3 /* TCP MD5 mode */ /* * Direction of security policy. * NOTE: Since INVALID is used just as flag. * The other are used for loop counter too. */ #define IPSEC_DIR_ANY 0 #define IPSEC_DIR_INBOUND 1 #define IPSEC_DIR_OUTBOUND 2 #define IPSEC_DIR_MAX 3 #define IPSEC_DIR_INVALID 4 /* Policy level */ /* * IPSEC, ENTRUST and BYPASS are allowed for setsockopt() in PCB, * DISCARD, IPSEC and NONE are allowed for setkey() in SPD. * DISCARD and NONE are allowed for system default. */ #define IPSEC_POLICY_DISCARD 0 /* discarding packet */ #define IPSEC_POLICY_NONE 1 /* through IPsec engine */ #define IPSEC_POLICY_IPSEC 2 /* do IPsec */ #define IPSEC_POLICY_ENTRUST 3 /* consulting SPD if present. */ #define IPSEC_POLICY_BYPASS 4 /* only for privileged socket. */ /* Security protocol level */ #define IPSEC_LEVEL_DEFAULT 0 /* reference to system default */ #define IPSEC_LEVEL_USE 1 /* use SA if present. */ #define IPSEC_LEVEL_REQUIRE 2 /* require SA. */ #define IPSEC_LEVEL_UNIQUE 3 /* unique SA. */ #define IPSEC_MANUAL_REQID_MAX 0x3fff /* * if security policy level == unique, this id * indicate to a relative SA for use, else is * zero. * 1 - 0x3fff are reserved for manual keying. * 0 are reserved for above reason. Others is * for kernel use. * Note that this id doesn't identify SA * by only itself. */ #define IPSEC_REPLAYWSIZE 32 /* statistics for ipsec processing */ struct ipsecstat { uint64_t ips_in_polvio; /* input: sec policy violation */ uint64_t ips_in_nomem; /* input: no memory available */ uint64_t ips_in_inval; /* input: generic error */ uint64_t ips_out_polvio; /* output: sec policy violation */ uint64_t ips_out_nosa; /* output: SA unavailable */ uint64_t ips_out_nomem; /* output: no memory available */ uint64_t ips_out_noroute; /* output: no route available */ uint64_t ips_out_inval; /* output: generic error */ uint64_t ips_out_bundlesa; /* output: bundled SA processed */ uint64_t ips_mbcoalesced; /* mbufs coalesced during clone */ uint64_t ips_clcoalesced; /* clusters coalesced during clone */ uint64_t ips_clcopied; /* clusters copied during clone */ uint64_t ips_mbinserted; /* mbufs inserted during makespace */ /* * Temporary statistics for performance analysis. */ /* See where ESP/AH/IPCOMP header land in mbuf on input */ uint64_t ips_input_front; uint64_t ips_input_middle; uint64_t ips_input_end; }; /* * Definitions for IPsec & Key sysctl operations. */ #define IPSECCTL_STATS 1 /* stats */ #define IPSECCTL_DEF_POLICY 2 #define IPSECCTL_DEF_ESP_TRANSLEV 3 /* int; ESP transport mode */ #define IPSECCTL_DEF_ESP_NETLEV 4 /* int; ESP tunnel mode */ #define IPSECCTL_DEF_AH_TRANSLEV 5 /* int; AH transport mode */ #define IPSECCTL_DEF_AH_NETLEV 6 /* int; AH tunnel mode */ #if 0 /* obsolete, do not reuse */ #define IPSECCTL_INBOUND_CALL_IKE 7 #endif #define IPSECCTL_AH_CLEARTOS 8 #define IPSECCTL_AH_OFFSETMASK 9 #define IPSECCTL_DFBIT 10 #define IPSECCTL_ECN 11 #define IPSECCTL_DEBUG 12 #define IPSECCTL_ESP_RANDPAD 13 #ifdef _KERNEL #include struct ipsec_ctx_data; #define IPSEC_INIT_CTX(_ctx, _mp, _sav, _af, _enc) do { \ (_ctx)->mp = (_mp); \ (_ctx)->sav = (_sav); \ (_ctx)->af = (_af); \ (_ctx)->enc = (_enc); \ } while(0) int ipsec_run_hhooks(struct ipsec_ctx_data *ctx, int direction); VNET_DECLARE(int, ipsec_debug); #define V_ipsec_debug VNET(ipsec_debug) #ifdef REGRESSION VNET_DECLARE(int, ipsec_replay); VNET_DECLARE(int, ipsec_integrity); #define V_ipsec_replay VNET(ipsec_replay) #define V_ipsec_integrity VNET(ipsec_integrity) #endif VNET_PCPUSTAT_DECLARE(struct ipsecstat, ipsec4stat); VNET_DECLARE(int, ip4_esp_trans_deflev); VNET_DECLARE(int, ip4_esp_net_deflev); VNET_DECLARE(int, ip4_ah_trans_deflev); VNET_DECLARE(int, ip4_ah_net_deflev); VNET_DECLARE(int, ip4_ah_offsetmask); VNET_DECLARE(int, ip4_ipsec_dfbit); VNET_DECLARE(int, ip4_ipsec_ecn); VNET_DECLARE(int, ip4_esp_randpad); VNET_DECLARE(int, crypto_support); #define IPSECSTAT_INC(name) \ VNET_PCPUSTAT_ADD(struct ipsecstat, ipsec4stat, name, 1) #define V_ip4_esp_trans_deflev VNET(ip4_esp_trans_deflev) #define V_ip4_esp_net_deflev VNET(ip4_esp_net_deflev) #define V_ip4_ah_trans_deflev VNET(ip4_ah_trans_deflev) #define V_ip4_ah_net_deflev VNET(ip4_ah_net_deflev) #define V_ip4_ah_offsetmask VNET(ip4_ah_offsetmask) #define V_ip4_ipsec_dfbit VNET(ip4_ipsec_dfbit) #define V_ip4_ipsec_ecn VNET(ip4_ipsec_ecn) #define V_ip4_esp_randpad VNET(ip4_esp_randpad) #define V_crypto_support VNET(crypto_support) #define ipseclog(x) do { if (V_ipsec_debug) log x; } while (0) /* for openbsd compatibility */ #define DPRINTF(x) do { if (V_ipsec_debug) printf x; } while (0) extern struct ipsecrequest *ipsec_newisr(void); extern void ipsec_delisr(struct ipsecrequest *); struct tdb_ident; extern struct secpolicy *ipsec_getpolicy(struct tdb_ident*, u_int); struct inpcb; extern struct secpolicy *ipsec4_checkpolicy(const struct mbuf *, u_int, int *, struct inpcb *); extern struct secpolicy * ipsec_getpolicybyaddr(const struct mbuf *, u_int, int *); struct inpcb; extern int ipsec_init_policy(struct socket *so, struct inpcbpolicy **); extern int ipsec_copy_policy(struct inpcbpolicy *, struct inpcbpolicy *); extern u_int ipsec_get_reqlevel(struct ipsecrequest *); extern int ipsec_set_policy(struct inpcb *inp, int optname, caddr_t request, size_t len, struct ucred *cred); extern int ipsec_get_policy(struct inpcb *inpcb, caddr_t request, size_t len, struct mbuf **mp); extern int ipsec_delete_pcbpolicy(struct inpcb *); extern int ipsec4_in_reject(const struct mbuf *, struct inpcb *); struct secas; struct tcpcb; extern int ipsec_chkreplay(u_int32_t, struct secasvar *); extern int ipsec_updatereplay(u_int32_t, struct secasvar *); extern size_t ipsec_hdrsiz(const struct mbuf *, u_int, struct inpcb *); extern size_t ipsec_hdrsiz_tcp(struct tcpcb *); union sockaddr_union; extern char *ipsec_address(union sockaddr_union *, char *, socklen_t); extern char *ipsec_logsastr(struct secasvar *, char *, size_t); extern void ipsec_dumpmbuf(const struct mbuf *); struct m_tag; extern int ah4_input(struct mbuf **mp, int *offp, int proto); extern void ah4_ctlinput(int cmd, struct sockaddr *sa, void *); extern int esp4_input(struct mbuf **mp, int *offp, int proto); extern void esp4_ctlinput(int cmd, struct sockaddr *sa, void *); extern int ipcomp4_input(struct mbuf **mp, int *offp, int proto); extern int ipsec_common_input(struct mbuf *m, int, int, int, int); extern int ipsec4_common_input_cb(struct mbuf *m, struct secasvar *sav, int skip, int protoff); extern int ipsec4_process_packet(struct mbuf *, struct ipsecrequest *); extern int ipsec_process_done(struct mbuf *, struct ipsecrequest *); extern void m_checkalignment(const char* where, struct mbuf *m0, int off, int len); extern struct mbuf *m_makespace(struct mbuf *m0, int skip, int hlen, int *off); extern caddr_t m_pad(struct mbuf *m, int n); extern int m_striphdr(struct mbuf *m, int skip, int hlen); #endif /* _KERNEL */ #ifndef _KERNEL extern caddr_t ipsec_set_policy(char *, int); extern int ipsec_get_policylen(caddr_t); extern char *ipsec_dump_policy(caddr_t, char *); extern const char *ipsec_strerror(void); #endif /* ! KERNEL */ #endif /* _NETIPSEC_IPSEC_H_ */ Index: projects/ipsec/sys/netipsec/keydb.h =================================================================== --- projects/ipsec/sys/netipsec/keydb.h (revision 308830) +++ projects/ipsec/sys/netipsec/keydb.h (revision 308831) @@ -1,225 +1,225 @@ /* $FreeBSD$ */ /* $KAME: keydb.h,v 1.14 2000/08/02 17:58:26 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. */ #ifndef _NETIPSEC_KEYDB_H_ #define _NETIPSEC_KEYDB_H_ #ifdef _KERNEL #include #ifndef _SOCKADDR_UNION_DEFINED #define _SOCKADDR_UNION_DEFINED /* * The union of all possible address formats we handle. */ union sockaddr_union { struct sockaddr sa; struct sockaddr_in sin; struct sockaddr_in6 sin6; }; #endif /* _SOCKADDR_UNION_DEFINED */ /* Security Assocciation Index */ /* NOTE: Ensure to be same address family */ struct secasindex { union sockaddr_union src; /* source address for SA */ union sockaddr_union dst; /* destination address for SA */ - u_int16_t proto; /* IPPROTO_ESP or IPPROTO_AH */ - u_int8_t mode; /* mode of protocol, see ipsec.h */ - u_int32_t reqid; /* reqid id who owned this SA */ + uint8_t proto; /* IPPROTO_ESP or IPPROTO_AH */ + uint8_t mode; /* mode of protocol, see ipsec.h */ + uint32_t reqid; /* reqid id who owned this SA */ /* see IPSEC_MANUAL_REQID_MAX. */ }; /* * In order to split out the keydb implementation from that of the * PF_KEY sockets we need to define a few structures that while they * may seem common are likely to diverge over time. */ /* sadb_identity */ struct secident { u_int16_t type; u_int64_t id; }; /* sadb_key */ struct seckey { u_int16_t bits; char *key_data; }; struct seclifetime { u_int32_t allocations; u_int64_t bytes; u_int64_t addtime; u_int64_t usetime; }; /* Security Association Data Base */ struct secashead { LIST_ENTRY(secashead) chain; struct secasindex saidx; struct secident *idents; /* source identity */ struct secident *identd; /* destination identity */ /* XXX I don't know how to use them. */ u_int8_t state; /* MATURE or DEAD. */ LIST_HEAD(_satree, secasvar) savtree[SADB_SASTATE_MAX+1]; /* SA chain */ /* The first of this list is newer SA */ }; struct xformsw; struct enc_xform; struct auth_hash; struct comp_algo; /* Security Association */ struct secasvar { LIST_ENTRY(secasvar) chain; struct mtx lock; /* update/access lock */ u_int refcnt; /* reference count */ u_int8_t state; /* Status of this Association */ u_int8_t alg_auth; /* Authentication Algorithm Identifier*/ u_int8_t alg_enc; /* Cipher Algorithm Identifier */ u_int8_t alg_comp; /* Compression Algorithm Identifier */ u_int32_t spi; /* SPI Value, network byte order */ u_int32_t flags; /* holder for SADB_KEY_FLAGS */ struct seckey *key_auth; /* Key for Authentication */ struct seckey *key_enc; /* Key for Encryption */ u_int ivlen; /* length of IV */ void *sched; /* intermediate encryption key */ size_t schedlen; uint64_t cntr; /* counter for GCM and CTR */ struct secreplay *replay; /* replay prevention */ time_t created; /* for lifetime */ struct seclifetime *lft_c; /* CURRENT lifetime, it's constant. */ struct seclifetime *lft_h; /* HARD lifetime */ struct seclifetime *lft_s; /* SOFT lifetime */ u_int32_t seq; /* sequence number */ pid_t pid; /* message's pid */ struct secashead *sah; /* back pointer to the secashead */ /* * NB: Fields with a tdb_ prefix are part of the "glue" used * to interface to the OpenBSD crypto support. This was done * to distinguish this code from the mainline KAME code. */ struct xformsw *tdb_xform; /* transform */ struct enc_xform *tdb_encalgxform; /* encoding algorithm */ struct auth_hash *tdb_authalgxform; /* authentication algorithm */ struct comp_algo *tdb_compalgxform; /* compression algorithm */ u_int64_t tdb_cryptoid; /* crypto session id */ /* * NAT-Traversal. */ u_int16_t natt_type; /* IKE/ESP-marker in output. */ u_int16_t natt_esp_frag_len; /* MTU for payload fragmentation. */ }; #define SECASVAR_LOCK_INIT(_sav) \ mtx_init(&(_sav)->lock, "ipsec association", NULL, MTX_DEF) #define SECASVAR_LOCK(_sav) mtx_lock(&(_sav)->lock) #define SECASVAR_UNLOCK(_sav) mtx_unlock(&(_sav)->lock) #define SECASVAR_LOCK_DESTROY(_sav) mtx_destroy(&(_sav)->lock) #define SECASVAR_LOCK_ASSERT(_sav) mtx_assert(&(_sav)->lock, MA_OWNED) #define SAV_ISGCM(_sav) \ ((_sav)->alg_enc == SADB_X_EALG_AESGCM8 || \ (_sav)->alg_enc == SADB_X_EALG_AESGCM12 || \ (_sav)->alg_enc == SADB_X_EALG_AESGCM16) #define SAV_ISCTR(_sav) ((_sav)->alg_enc == SADB_X_EALG_AESCTR) #define SAV_ISCTRORGCM(_sav) (SAV_ISCTR((_sav)) || SAV_ISGCM((_sav))) /* replay prevention */ struct secreplay { u_int32_t count; u_int wsize; /* window size, i.g. 4 bytes */ u_int32_t seq; /* used by sender */ u_int32_t lastseq; /* used by receiver */ caddr_t bitmap; /* used by receiver */ int overflow; /* overflow flag */ }; /* socket table due to send PF_KEY messages. */ struct secreg { LIST_ENTRY(secreg) chain; struct socket *so; }; /* acquiring list table. */ struct secacq { LIST_ENTRY(secacq) chain; struct secasindex saidx; u_int32_t seq; /* sequence number */ time_t created; /* for lifetime */ int count; /* for lifetime */ }; /* Sensitivity Level Specification */ /* nothing */ #define SADB_KILL_INTERVAL 600 /* six seconds */ /* secpolicy */ extern struct secpolicy *keydb_newsecpolicy(void); extern void keydb_delsecpolicy(struct secpolicy *); /* secashead */ extern struct secashead *keydb_newsecashead(void); extern void keydb_delsecashead(struct secashead *); /* secasvar */ extern struct secasvar *keydb_newsecasvar(void); extern void keydb_refsecasvar(struct secasvar *); extern void keydb_freesecasvar(struct secasvar *); /* secreplay */ extern struct secreplay *keydb_newsecreplay(size_t); extern void keydb_delsecreplay(struct secreplay *); /* secreg */ extern struct secreg *keydb_newsecreg(void); extern void keydb_delsecreg(struct secreg *); #endif /* _KERNEL */ #endif /* _NETIPSEC_KEYDB_H_ */