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/*
* The author of this code is Angelos D. Keromytis, angelos@openbsd.org
* (except when noted otherwise).
*
* Copyright (C) 1997, 1998, 1999 by John Ioannidis and Angelos D. Keromytis.
*
* Permission to use, copy, and modify this software without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NEITHER AUTHOR MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
/*
* PF_KEYv2 definitions
*/
#define PF_KEY_V2 0
struct pfkeycb
{
LIST_ENTRY(pfkeycb) pfkey_list;
struct socket *pfkey_socket;
struct sockaddr *pfkey_faddr;
struct sockaddr *pfkey_laddr;
struct sockproto pfkey_proto;
u_int32_t pfkey_flags;
#define PFKEYv2_REGISTERED 0x1
};
struct sadb_msg
{
u_int8_t sadb_msg_version; /* Must be PF_KEY_V2 */
u_int8_t sadb_msg_type;
u_int8_t sadb_msg_errno; /* Should be zero for messages to kernel */
u_int8_t sadb_msg_sa_type;
u_int16_t sadb_msg_len; /* In 32-bit words, inclusive */
u_int16_t sadb_msg_reserved; /* Set to zero */
u_int32_t sadb_msg_seq;
u_int32_t sadb_msg_pid; /* PID of originating process, 0 if kernel */
};
struct sadb_hdr
{
u_int16_t sadb_hdr_len; /* In 32-bit words, inclusive */
u_int16_t sadb_hdr_hdrtype; /* 0 is reserved */
};
struct sadb_sa
{
u_int16_t sadb_sa_len; /* In 32-bit words, inclusive */
u_int16_t sadb_sa_hdrtype; /* ASSOCIATION */
u_int16_t sadb_sa_spi; /* Network byte order */
u_int8_t sadb_sa_replay_window_len; /* Set to 0 if not in use */
u_int8_t sadb_sa_state; /* Set to zero by sending process */
u_int8_t sadb_sa_encrypt; /* Encryption algorithm */
u_int8_t sadb_sa_auth; /* Authentication algorithm */
u_int32_t sadb_sa_flags; /* Bitmask */
};
struct sadb_lifetime
{
u_int16_t sadb_lifetime_len; /* In 32-bit words, inclusive */
u_int16_t sadb_lifetime_hdrtype; /* LIFETIME */
u_int8_t sadb_lifetime_which; /* Bitmask */
u_int8_t sadb_lifetime_reserved[3]; /* Padding */
};
struct sadb_lifetime_val
{
u_int8_t sadb_lifetime_val_which; /* Corresponds to lifetime_which */
u_int8_t sadb_lifetime_val_reserved;
u_int16_t sadb_lifetime_val_allocations; /* How many "flows" to use for */
u_int32_t sadb_lifetime_val_bytes; /* Number of bytes before expr */
time_t sadb_lifetime_val_absolute;
time_t sadb_lifetime_val_updatetime;
time_t sadb_lifetime_val_usetime;
};
struct sadb_address
{
u_int16_t sadb_address_len; /* In 32-bit words, inclusive */
u_int16_t sadb_address_hdrtype; /* ADDRESS */
u_int8_t sadb_address_which; /* Bitmask */
u_int8_t sadb_address_reserved[3]; /* Padding */
/* Followed by one or more sockaddr structures */
};
struct sadb_keyblk
{
u_int16_t sadb_keyblk_len; /* In 32-bit words, inclusive */
u_int16_t sadb_keyblk_hdrtype; /* KEY */
u_int8_t sadb_keyblk_which; /* Bitmask */
u_int8_t sadb_keyblk_reserved[3]; /* Padding */
/* Followed by sadb_key */
};
struct sadb_key
{
u_int16_t sadb_key_len; /* Length of key in bits */
u_int16_t sadb_key_which; /* Corresponds to keyblk_which */
u_int8_t sadb_key_type; /* 3DES, DES, HMAC-MD5, etc. */
/* Actual key follows */
};
struct sadb_id
{
u_int16_t sadb_id_len; /* In 32-bit words, inclusive */
u_int16_t sadb_id_hdrtype; /* IDENTITY */
u_int8_t sadb_id_which; /* Bitmask */
u_int8_t sadb_id_reserved[3]; /* Padding */
/* Followed by one or more sadb_certids */
};
struct sadb_certid
{
u_int16_t sadb_certid_len; /* In 32-bit words, inclusive */
u_int16_t sadb_certid_type;
/* Cert id. follows */
};
struct sadb_sens
{
u_int16_t sadb_sens_len; /* In 32-bit words, inclusive */
u_int16_t sadb_sens_hdrtype; /* SENSITIVITY */
u_int32_t sadb_sens_dpd; /* Protection Domain */
u_int8_t sadb_sens_level;
u_int8_t sadb_sens_sens_bitmap_len; /* In 32-bit words */
u_int8_t sadb_sens_integ_level;
u_int8_t sadb_sens_integ_bitmap_len; /* In 32-bit words */
/*
* Followed by 2 u_int32_t arrays
* u_int32_t sadb_sens_bitmap[sens_bitmap_len];
* u_int32_t integ_bitmap[integ_bitmap_len];
*/
};
struct sadb_prop
{
u_int16_t sadb_prop_len; /* In 32-bit words, inclusive */
u_int16_t sadb_prop_hdrtype; /* PROPOSAL */
u_int8_t sadb_prop_num;
u_int8_t sadb_prop_replay; /* Replay window size */
u_int16_t sadb_prop_reserved;
};
struct sadb_comb
{
u_int8_t sadb_comb_auth;
u_int8_t sadb_comb_encr;
u_int16_t sadb_comb_flags;
u_int16_t sadb_comb_auth_keylen_min;
u_int16_t sadb_comb_auth_keylen_max;
u_int16_t sadb_comb_encr_keylen_min;
u_int16_t sadb_comb_encr_keylen_max;
};
struct sadb_alg
{
u_int16_t sadb_alg_len; /* In 32-bit words, inclusive */
u_int16_t sadb_alg_hdrtype; /* SUPPORTED */
u_int8_t sadb_alg_num_auth; /* Number of auth algorithms */
u_int8_t sadb_alg_num_encrypt;
/* Followed by one or more sadb_algd */
};
struct sadb_algd
{
u_int8_t sadb_algd_type; /* Algorithm type */
u_int8_t sadb_algd_ivlen; /* IV len, in bits */
u_int16_t sadb_algd_minlen; /* Minimum key length, in bits */
u_int16_t sadb_algd_maxlen; /* Maximum key length, in bits */
u_int16_t sadb_algd_reserved;
};
struct sadb_spirange
{
u_int16_t sadb_spirage_len; /* In 32-bit words, inclusive */
u_int16_t sadb_spirage_hdrtype; /* SPI_RANGE */
u_int32_t sadb_spirange_low;
u_int32_t sadb_spirange_hi;
};
/* Message types */
#define SADB_GETSPI 1
#define SADB_UPDATE 2
#define SADB_ADD 3
#define SADB_DELETE 4
#define SADB_GET 5
#define SADB_ACQUIRE 6
#define SADB_REGISTER 7
#define SADB_EXPIRE 8
#define SADB_FLUSH 9
#define SADB_DUMP 10 /* Not used normally */
#define SADB_MAX 10
/* Security association flags */
#define SA_USED 0x1 /* SA used/not used */
#define SA_UNIQUE 0x2 /* SA unique/reusable */
#define SA_INBOUND 0x4 /* SA for packets destined here */
#define SA_OUTBOUND 0x8 /* SA for packets sourced here */
#define SA_FORWARD 0x10 /* SA for packets forwarded through */
#define SA_PFS 0x20 /* Perfect Forward Secrecy ? */
#define SA_REPLAY 0x40 /* Replay protection ? */
/* Security association state */
#define SA_STATE_LARVAL 0
#define SA_STATE_MATURE 1
#define SA_STATE_DYING 2
#define SA_STATE_DEAD 3
#define SA_STATE_MAX 3
/* Security association type */
#define SADB_SATYPE_NONE 0
#define SADB_SATYPE_AH 1 /* RFC-1826 */
#define SADB_SATYPE_ESP 2 /* RFC-1827 */
#define SADB_SATYPE_RSVP 3 /* RVSP Authentication */
#define SADB_SATYPE_OSPFV2 4 /* OSPFv2 Authentication */
#define SADB_SATYPE_RIPV2 5 /* RIPv2 Authentication */
#define SADB_SATYPE_MIPV4 6 /* Mobile IPv4 Authentication */
#define SADB_SATYPE_MAX 6
/* Algorithm types */
/* Authentication algorithms */
#define SADB_AALG_NONE 0
#define SADB_AALG_MD5_HMAC 1
#define SADB_AALG_SHA1_HMAC 2
#define SADB_AALG_MAX 2
/* Encryption algorithms */
#define SADB_EALG_NONE 0
#define SADB_EALG_DES_CBC 1
#define SADB_EALG_3DES 2
#define SADB_EALG_RC5 3
#define SADB_EALG_MAX 3
/* Extension header values */
#define SA_EXT_ASSOCIATION 1
#define SA_EXT_LIFETIME 2
#define SA_EXT_ADDRESS 3
#define SA_EXT_KEY 4
#define SA_EXT_IDENTITY 5
#define SA_EXT_SENSITIVITY 6
#define SA_EXT_PROPOSAL 7
#define SA_EXT_SUPPORTED 8
#define SA_EXT_SPI_RANGE 9
#define SA_EXT_MAX 9
/* Address extension values */
#define SADB_ADDR_SRC 0x1 /* Source */
#define SADB_ADDR_DST 0x2 /* Destination */
#define SADB_ADDR_INNER_SRC 0x4 /* Inner-packet src */
#define SADB_ADDR_INNER_DST 0x8 /* Inner-packet dst */
#define SADB_ADDR_PROXY 0x10 /* Proxy address */
/* Lifetime extension values */
#define SADB_LIFETIME_HARD 0x1 /* Hard lifetime */
#define SADB_LIFETIME_SOFT 0x2 /* Soft lifetime */
#define SADB_LIFETIME_CURRENT 0x4 /* Current lifetime left */
/* Key extension values */
#define SADB_KEYBLK_AUTH 0x1 /* Authentication key */
#define SADB_KEYBLK_ENCRYPT 0x2 /* Encryption key */
/* Identity extension values */
#define SADB_ID_SRC 0x1
#define SADB_ID_DST 0x2
/* Identity type */
#define SADB_IDT_IPV4_ADDR 1
#define SADB_IDT_IPV6_ADDR 2
#define SADB_IDT_IPV4_RANGE 3
#define SADB_IDT_IPV6_RANGE 4
#define SADB_IDT_FQDN 5
#define SADB_IDT_USER_FQDN 6
#define SADB_IDT_IPV4_CONNID 7
#define SADB_IDT_IPV6_CONNID 8
#define SADB_IDT_MAX 8
/* Sensitivity extension values */
#define SADB_DPD_NONE 0
#define SADB_DPD_DOD_GENSER 1
#define SADB_DPD_DOD_SCI 2
#define SADB_DPD_DOE 3
#define SADB_DPD_NATO 4
#define SADB_DPD_MAX 4
#define sotopfkeycb(so) ((structy pfkeycb *)(so)->so->pcb)
#ifdef _KERNEL
LIST_HEAD(, pfkeycb) pfkeycb; /* head of list */
#endif
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