diff options
Diffstat (limited to 'sys/netinet6/ipsec.h')
| -rw-r--r-- | sys/netinet6/ipsec.h | 388 |
1 files changed, 0 insertions, 388 deletions
diff --git a/sys/netinet6/ipsec.h b/sys/netinet6/ipsec.h deleted file mode 100644 index 7b677ae..0000000 --- a/sys/netinet6/ipsec.h +++ /dev/null @@ -1,388 +0,0 @@ -/* $FreeBSD$ */ -/* $KAME: ipsec.h,v 1.69 2003/09/10 23:49:11 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 _NETINET6_IPSEC_H_ -#define _NETINET6_IPSEC_H_ - -#if defined(_KERNEL) && !defined(_LKM) && !defined(KLD_MODULE) -#include "opt_inet.h" -#include "opt_ipsec.h" -#endif - -#include <net/pfkeyv2.h> -#include <netkey/keydb.h> - -#ifdef _KERNEL - -/* - * 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 { - struct sockaddr_storage src; /* IP src address for SP */ - struct sockaddr_storage 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 -}; - -/* Security Policy Data Base */ -struct secpolicy { - TAILQ_ENTRY(secpolicy) tailq; /* all SPD entries, both pcb/table */ - LIST_ENTRY(secpolicy) chain; /* SPD entries on table */ - - u_int8_t dir; /* direction of packet flow */ - int readonly; /* write prohibited */ - int persist; /* will never be removed */ - int refcnt; /* reference count */ - struct secpolicyindex *spidx; /* selector - NULL if not valid */ - u_int32_t id; /* it identifies a policy in the SPD. */ -#define IPSEC_MANUAL_POLICYID_MAX 0x3fff - /* - * 1 - 0x3fff are reserved for user operation. - * 0 are reserved. Others are for kernel use. - */ - struct socket *so; /* backpointer to per-socket policy */ - u_int state; /* 0: dead, others: alive */ -#define IPSEC_SPSTATE_DEAD 0 -#define IPSEC_SPSTATE_ALIVE 1 - - int policy; /* DISCARD, NONE or IPSEC, see below */ - struct ipsecrequest *req; - /* pointer to the ipsec request tree, */ - /* if policy == IPSEC else this value == NULL.*/ - - /* - * 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. - */ - long created; /* time created the policy */ - long 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 ifnet; -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 ifnet *tunifp; /* interface for tunnelling */ -}; - -/* security policy in PCB */ -struct inpcbpolicy { - struct secpolicy *sp_in; - struct secpolicy *sp_out; - int priv; /* privileged socket ? */ - - /* cached policy */ - /* XXX 3 == IPSEC_DIR_MAX */ - struct secpolicy *cache[3]; - struct secpolicyindex cacheidx[3]; - int cachegen[3]; /* cache generation #, the time we filled it */ - int cacheflags; -#define IPSEC_PCBSP_CONNECTED 1 -}; - -/* SP acquiring list table. */ -struct secspacq { - LIST_ENTRY(secspacq) chain; - - struct secpolicyindex spidx; - - long created; /* for lifetime */ - int count; /* for lifetime */ - /* XXX: here is mbuf place holder to be sent ? */ -}; - -struct ipsecaux { - int hdrs; /* # of ipsec headers */ -}; -#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 /* discard the packet */ -#define IPSEC_POLICY_NONE 1 /* bypass IPsec engine */ -#define IPSEC_POLICY_IPSEC 2 /* pass to IPsec */ -#define IPSEC_POLICY_ENTRUST 3 /* consulting SPD if present. */ -#define IPSEC_POLICY_BYPASS 4 /* only for privileged socket. */ -#define IPSEC_POLICY_TCP 5 /* TCP MD5 policy */ - -/* 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 { - u_quad_t in_success; /* succeeded inbound process */ - u_quad_t in_polvio; - /* security policy violation for inbound process */ - u_quad_t in_nosa; /* inbound SA is unavailable */ - u_quad_t in_inval; /* inbound processing failed due to EINVAL */ - u_quad_t in_nomem; /* inbound processing failed due to ENOBUFS */ - u_quad_t in_badspi; /* failed getting a SPI */ - u_quad_t in_ahreplay; /* AH replay check failed */ - u_quad_t in_espreplay; /* ESP replay check failed */ - u_quad_t in_ahauthsucc; /* AH authentication success */ - u_quad_t in_ahauthfail; /* AH authentication failure */ - u_quad_t in_espauthsucc; /* ESP authentication success */ - u_quad_t in_espauthfail; /* ESP authentication failure */ - u_quad_t in_esphist[256]; - u_quad_t in_ahhist[256]; - u_quad_t in_comphist[256]; - u_quad_t out_success; /* succeeded outbound process */ - u_quad_t out_polvio; - /* security policy violation for outbound process */ - u_quad_t out_nosa; /* outbound SA is unavailable */ - u_quad_t out_inval; /* outbound process failed due to EINVAL */ - u_quad_t out_nomem; /* inbound processing failed due to ENOBUFS */ - u_quad_t out_noroute; /* there is no route */ - u_quad_t out_esphist[256]; - u_quad_t out_ahhist[256]; - u_quad_t out_comphist[256]; - - u_quad_t spdcachelookup; - u_quad_t spdcachemiss; -}; - -/* - * Definitions for IPsec & Key sysctl operations. - */ -/* - * Names for IPsec & Key sysctl objects - */ -#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 -#define IPSECCTL_MAXID 14 - -#define IPSECCTL_NAMES { \ - { 0, 0 }, \ - { 0, 0 }, \ - { "def_policy", CTLTYPE_INT }, \ - { "esp_trans_deflev", CTLTYPE_INT }, \ - { "esp_net_deflev", CTLTYPE_INT }, \ - { "ah_trans_deflev", CTLTYPE_INT }, \ - { "ah_net_deflev", CTLTYPE_INT }, \ - { 0, 0 }, \ - { "ah_cleartos", CTLTYPE_INT }, \ - { "ah_offsetmask", CTLTYPE_INT }, \ - { "dfbit", CTLTYPE_INT }, \ - { "ecn", CTLTYPE_INT }, \ - { "debug", CTLTYPE_INT }, \ - { "esp_randpad", CTLTYPE_INT }, \ -} - -#define IPSEC6CTL_NAMES { \ - { 0, 0 }, \ - { 0, 0 }, \ - { "def_policy", CTLTYPE_INT }, \ - { "esp_trans_deflev", CTLTYPE_INT }, \ - { "esp_net_deflev", CTLTYPE_INT }, \ - { "ah_trans_deflev", CTLTYPE_INT }, \ - { "ah_net_deflev", CTLTYPE_INT }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { "ecn", CTLTYPE_INT }, \ - { "debug", CTLTYPE_INT }, \ - { "esp_randpad", CTLTYPE_INT }, \ -} - -#ifdef _KERNEL -struct ipsec_output_state { - struct mbuf *m; - struct route *ro; - struct sockaddr *dst; - int encap; -}; - -struct ipsec_history { - int ih_proto; - u_int32_t ih_spi; -}; - -extern int ipsec_debug; - -#ifdef INET -extern struct ipsecstat ipsecstat; -extern struct secpolicy *ip4_def_policy; -extern int ip4_esp_trans_deflev; -extern int ip4_esp_net_deflev; -extern int ip4_ah_trans_deflev; -extern int ip4_ah_net_deflev; -extern int ip4_ah_cleartos; -extern int ip4_ah_offsetmask; -extern int ip4_ipsec_dfbit; -extern int ip4_ipsec_ecn; -extern int ip4_esp_randpad; -#endif - -#define ipseclog(x) do { if (ipsec_debug) log x; } while (/*CONSTCOND*/ 0) - -extern int ipsec_pcbconn __P((struct inpcbpolicy *)); -extern int ipsec_pcbdisconn __P((struct inpcbpolicy *)); -extern int ipsec_invalpcbcacheall __P((void)); - -struct inpcb; -extern struct secpolicy *ipsec4_getpolicybypcb - __P((struct mbuf *, u_int, struct inpcb *, int *)); -extern struct secpolicy *ipsec4_getpolicybyaddr - __P((struct mbuf *, u_int, int, int *)); - -extern int ipsec_init_pcbpolicy __P((struct socket *, struct inpcbpolicy **)); -extern int ipsec_copy_pcbpolicy - __P((struct inpcbpolicy *, struct inpcbpolicy *)); -extern u_int ipsec_get_reqlevel __P((struct ipsecrequest *, int)); - -extern int ipsec4_set_policy __P((struct inpcb *, int, caddr_t, size_t, int)); -extern int ipsec4_get_policy __P((struct inpcb *, caddr_t, size_t, - struct mbuf **)); -extern int ipsec4_delete_pcbpolicy __P((struct inpcb *)); -extern int ipsec4_in_reject __P((struct mbuf *, struct inpcb *)); - -struct secas; -struct tcpcb; -struct tcp6cb; -extern int ipsec_chkreplay __P((u_int32_t, struct secasvar *)); -extern int ipsec_updatereplay __P((u_int32_t, struct secasvar *)); - -extern size_t ipsec4_hdrsiz __P((struct mbuf *, u_int, struct inpcb *)); -extern size_t ipsec_hdrsiz_tcp __P((struct tcpcb *)); - -struct ip; -extern const char *ipsec4_logpacketstr __P((struct ip *, u_int32_t)); -extern const char *ipsec_logsastr __P((struct secasvar *)); - -extern void ipsec_dumpmbuf __P((struct mbuf *)); - -extern int ipsec4_output __P((struct ipsec_output_state *, struct secpolicy *, - int)); -extern int ipsec4_tunnel_validate __P((struct mbuf *, int, u_int, - struct secasvar *)); -extern struct mbuf *ipsec_copypkt __P((struct mbuf *)); -extern void ipsec_delaux __P((struct mbuf *)); -extern int ipsec_addhist __P((struct mbuf *, int, u_int32_t)); -extern int ipsec_getnhist __P((struct mbuf *)); -extern void ipsec_clearhist __P((struct mbuf *)); - -#endif /* _KERNEL */ - -#ifndef _KERNEL -extern caddr_t ipsec_set_policy __P((char *, int)); -extern int ipsec_get_policylen __P((caddr_t)); -extern char *ipsec_dump_policy __P((caddr_t, char *)); - -extern const char *ipsec_strerror __P((void)); -#endif /* !_KERNEL */ - -#endif /* _NETINET6_IPSEC_H_ */ |
