/* $FreeBSD: src/sys/netinet6/ipsec.h,v 1.4.2.2 2001/07/03 11:01:54 ume Exp $ */ /* $KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 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_ #include #include #include #include /* 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 /* * 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. */ #define IPSEC_POLICY_GENERATE 5 /* same as discard - IKE daemon can override with generated 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 /* * Maximum key sizes in bytes expected to be passed from userspace. * * These values are based on the NULL algorithms for AH and ESP, * which both specify a keymax of 2048 bits. */ #define IPSEC_KEY_AUTH_MAX_BYTES 256 #define IPSEC_KEY_ENCRYPT_MAX_BYTES 256 /* statistics for ipsec processing */ struct ipsecstat { u_quad_t in_success __attribute__ ((aligned(8))); /* succeeded inbound process */ u_quad_t in_polvio __attribute__ ((aligned(8))); /* security policy violation for inbound process */ u_quad_t in_nosa __attribute__ ((aligned(8))); /* inbound SA is unavailable */ u_quad_t in_inval __attribute__ ((aligned(8))); /* inbound processing failed due to EINVAL */ u_quad_t in_nomem __attribute__ ((aligned(8))); /* inbound processing failed due to ENOBUFS */ u_quad_t in_badspi __attribute__ ((aligned(8))); /* failed getting a SPI */ u_quad_t in_ahreplay __attribute__ ((aligned(8))); /* AH replay check failed */ u_quad_t in_espreplay __attribute__ ((aligned(8))); /* ESP replay check failed */ u_quad_t in_ahauthsucc __attribute__ ((aligned(8))); /* AH authentication success */ u_quad_t in_ahauthfail __attribute__ ((aligned(8))); /* AH authentication failure */ u_quad_t in_espauthsucc __attribute__ ((aligned(8))); /* ESP authentication success */ u_quad_t in_espauthfail __attribute__ ((aligned(8))); /* ESP authentication failure */ u_quad_t in_esphist[256] __attribute__ ((aligned(8))); u_quad_t in_ahhist[256] __attribute__ ((aligned(8))); u_quad_t in_comphist[256] __attribute__ ((aligned(8))); u_quad_t out_success __attribute__ ((aligned(8))); /* succeeded outbound process */ u_quad_t out_polvio __attribute__ ((aligned(8))); /* security policy violation for outbound process */ u_quad_t out_nosa __attribute__ ((aligned(8))); /* outbound SA is unavailable */ u_quad_t out_inval __attribute__ ((aligned(8))); /* outbound process failed due to EINVAL */ u_quad_t out_nomem __attribute__ ((aligned(8))); /* inbound processing failed due to ENOBUFS */ u_quad_t out_noroute __attribute__ ((aligned(8))); /* there is no route */ u_quad_t out_esphist[256] __attribute__ ((aligned(8))); u_quad_t out_ahhist[256] __attribute__ ((aligned(8))); u_quad_t out_comphist[256] __attribute__ ((aligned(8))); }; #define IPSEC_MAX_WAKE_PKT_LEN 100 struct ipsec_wake_pkt_info { u_int8_t wake_pkt[IPSEC_MAX_WAKE_PKT_LEN]; uuid_string_t wake_uuid; u_int32_t wake_pkt_spi; u_int32_t wake_pkt_seq; u_int16_t wake_pkt_len; }; struct ipsec_wake_pkt_event_data { uuid_string_t wake_uuid; }; __BEGIN_DECLS 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); __END_DECLS #endif /* _NETINET6_IPSEC_H_ */