include/linux/pfkeyv2.h

   1 /* PF_KEY user interface, this is defined by rfc2367 so
   2  * do not make arbitrary modifications or else this header
   3  * file will not be compliant.
   4  */
   5
   6 #ifndef _LINUX_PFKEY2_H
   7 #define _LINUX_PFKEY2_H
   8
   9 #include <linux/types.h>
  10
  11 #define PF_KEY_V2               2
  12 #define PFKEYV2_REVISION        199806L
  13
  14 struct sadb_msg {
  15         uint8_t         sadb_msg_version;
  16         uint8_t         sadb_msg_type;
  17         uint8_t         sadb_msg_errno;
  18         uint8_t         sadb_msg_satype;
  19         uint16_t        sadb_msg_len;
  20         uint16_t        sadb_msg_reserved;
  21         uint32_t        sadb_msg_seq;
  22         uint32_t        sadb_msg_pid;
  23 } __attribute__((packed));
  24 /* sizeof(struct sadb_msg) == 16 */
  25
  26 struct sadb_ext {
  27         uint16_t        sadb_ext_len;
  28         uint16_t        sadb_ext_type;
  29 } __attribute__((packed));
  30 /* sizeof(struct sadb_ext) == 4 */
  31
  32 struct sadb_sa {
  33         uint16_t        sadb_sa_len;
  34         uint16_t        sadb_sa_exttype;
  35         __be32          sadb_sa_spi;
  36         uint8_t         sadb_sa_replay;
  37         uint8_t         sadb_sa_state;
  38         uint8_t         sadb_sa_auth;
  39         uint8_t         sadb_sa_encrypt;
  40         uint32_t        sadb_sa_flags;
  41 } __attribute__((packed));
  42 /* sizeof(struct sadb_sa) == 16 */
  43
  44 struct sadb_lifetime {
  45         uint16_t        sadb_lifetime_len;
  46         uint16_t        sadb_lifetime_exttype;
  47         uint32_t        sadb_lifetime_allocations;
  48         uint64_t        sadb_lifetime_bytes;
  49         uint64_t        sadb_lifetime_addtime;
  50         uint64_t        sadb_lifetime_usetime;
  51 } __attribute__((packed));
  52 /* sizeof(struct sadb_lifetime) == 32 */
  53
  54 struct sadb_address {
  55         uint16_t        sadb_address_len;
  56         uint16_t        sadb_address_exttype;
  57         uint8_t         sadb_address_proto;
  58         uint8_t         sadb_address_prefixlen;
  59         uint16_t        sadb_address_reserved;
  60 } __attribute__((packed));
  61 /* sizeof(struct sadb_address) == 8 */
  62
  63 struct sadb_key {
  64         uint16_t        sadb_key_len;
  65         uint16_t        sadb_key_exttype;
  66         uint16_t        sadb_key_bits;
  67         uint16_t        sadb_key_reserved;
  68 } __attribute__((packed));
  69 /* sizeof(struct sadb_key) == 8 */
  70
  71 struct sadb_ident {
  72         uint16_t        sadb_ident_len;
  73         uint16_t        sadb_ident_exttype;
  74         uint16_t        sadb_ident_type;
  75         uint16_t        sadb_ident_reserved;
  76         uint64_t        sadb_ident_id;
  77 } __attribute__((packed));
  78 /* sizeof(struct sadb_ident) == 16 */
  79
  80 struct sadb_sens {
  81         uint16_t        sadb_sens_len;
  82         uint16_t        sadb_sens_exttype;
  83         uint32_t        sadb_sens_dpd;
  84         uint8_t         sadb_sens_sens_level;
  85         uint8_t         sadb_sens_sens_len;
  86         uint8_t         sadb_sens_integ_level;
  87         uint8_t         sadb_sens_integ_len;
  88         uint32_t        sadb_sens_reserved;
  89 } __attribute__((packed));
  90 /* sizeof(struct sadb_sens) == 16 */
  91
  92 /* followed by:
  93         uint64_t        sadb_sens_bitmap[sens_len];
  94         uint64_t        sadb_integ_bitmap[integ_len];  */
  95
  96 struct sadb_prop {
  97         uint16_t        sadb_prop_len;
  98         uint16_t        sadb_prop_exttype;
  99         uint8_t         sadb_prop_replay;
 100         uint8_t         sadb_prop_reserved[3];
 101 } __attribute__((packed));
 102 /* sizeof(struct sadb_prop) == 8 */
 103
 104 /* followed by:
 105         struct sadb_comb sadb_combs[(sadb_prop_len +
 106                 sizeof(uint64_t) - sizeof(struct sadb_prop)) /
 107                 sizeof(struct sadb_comb)]; */
 108
 109 struct sadb_comb {
 110         uint8_t         sadb_comb_auth;
 111         uint8_t         sadb_comb_encrypt;
 112         uint16_t        sadb_comb_flags;
 113         uint16_t        sadb_comb_auth_minbits;
 114         uint16_t        sadb_comb_auth_maxbits;
 115         uint16_t        sadb_comb_encrypt_minbits;
 116         uint16_t        sadb_comb_encrypt_maxbits;
 117         uint32_t        sadb_comb_reserved;
 118         uint32_t        sadb_comb_soft_allocations;
 119         uint32_t        sadb_comb_hard_allocations;
 120         uint64_t        sadb_comb_soft_bytes;
 121         uint64_t        sadb_comb_hard_bytes;
 122         uint64_t        sadb_comb_soft_addtime;
 123         uint64_t        sadb_comb_hard_addtime;
 124         uint64_t        sadb_comb_soft_usetime;
 125         uint64_t        sadb_comb_hard_usetime;
 126 } __attribute__((packed));
 127 /* sizeof(struct sadb_comb) == 72 */
 128
 129 struct sadb_supported {
 130         uint16_t        sadb_supported_len;
 131         uint16_t        sadb_supported_exttype;
 132         uint32_t        sadb_supported_reserved;
 133 } __attribute__((packed));
 134 /* sizeof(struct sadb_supported) == 8 */
 135
 136 /* followed by:
 137         struct sadb_alg sadb_algs[(sadb_supported_len +
 138                 sizeof(uint64_t) - sizeof(struct sadb_supported)) /
 139                 sizeof(struct sadb_alg)]; */
 140
 141 struct sadb_alg {
 142         uint8_t         sadb_alg_id;
 143         uint8_t         sadb_alg_ivlen;
 144         uint16_t        sadb_alg_minbits;
 145         uint16_t        sadb_alg_maxbits;
 146         uint16_t        sadb_alg_reserved;
 147 } __attribute__((packed));
 148 /* sizeof(struct sadb_alg) == 8 */
 149
 150 struct sadb_spirange {
 151         uint16_t        sadb_spirange_len;
 152         uint16_t        sadb_spirange_exttype;
 153         uint32_t        sadb_spirange_min;
 154         uint32_t        sadb_spirange_max;
 155         uint32_t        sadb_spirange_reserved;
 156 } __attribute__((packed));
 157 /* sizeof(struct sadb_spirange) == 16 */
 158
 159 struct sadb_x_kmprivate {
 160         uint16_t        sadb_x_kmprivate_len;
 161         uint16_t        sadb_x_kmprivate_exttype;
 162         uint32_t        sadb_x_kmprivate_reserved;
 163 } __attribute__((packed));
 164 /* sizeof(struct sadb_x_kmprivate) == 8 */
 165
 166 struct sadb_x_sa2 {
 167         uint16_t        sadb_x_sa2_len;
 168         uint16_t        sadb_x_sa2_exttype;
 169         uint8_t         sadb_x_sa2_mode;
 170         uint8_t         sadb_x_sa2_reserved1;
 171         uint16_t        sadb_x_sa2_reserved2;
 172         uint32_t        sadb_x_sa2_sequence;
 173         uint32_t        sadb_x_sa2_reqid;
 174 } __attribute__((packed));
 175 /* sizeof(struct sadb_x_sa2) == 16 */
 176
 177 struct sadb_x_policy {
 178         uint16_t        sadb_x_policy_len;
 179         uint16_t        sadb_x_policy_exttype;
 180         uint16_t        sadb_x_policy_type;
 181         uint8_t         sadb_x_policy_dir;
 182         uint8_t         sadb_x_policy_reserved;
 183         uint32_t        sadb_x_policy_id;
 184         uint32_t        sadb_x_policy_priority;
 185 } __attribute__((packed));
 186 /* sizeof(struct sadb_x_policy) == 16 */
 187
 188 struct sadb_x_ipsecrequest {
 189         uint16_t        sadb_x_ipsecrequest_len;
 190         uint16_t        sadb_x_ipsecrequest_proto;
 191         uint8_t         sadb_x_ipsecrequest_mode;
 192         uint8_t         sadb_x_ipsecrequest_level;
 193         uint16_t        sadb_x_ipsecrequest_reserved1;
 194         uint32_t        sadb_x_ipsecrequest_reqid;
 195         uint32_t        sadb_x_ipsecrequest_reserved2;
 196 } __attribute__((packed));
 197 /* sizeof(struct sadb_x_ipsecrequest) == 16 */
 198
 199 /* This defines the TYPE of Nat Traversal in use.  Currently only one
 200  * type of NAT-T is supported, draft-ietf-ipsec-udp-encaps-06
 201  */
 202 struct sadb_x_nat_t_type {
 203         uint16_t        sadb_x_nat_t_type_len;
 204         uint16_t        sadb_x_nat_t_type_exttype;
 205         uint8_t         sadb_x_nat_t_type_type;
 206         uint8_t         sadb_x_nat_t_type_reserved[3];
 207 } __attribute__((packed));
 208 /* sizeof(struct sadb_x_nat_t_type) == 8 */
 209
 210 /* Pass a NAT Traversal port (Source or Dest port) */
 211 struct sadb_x_nat_t_port {
 212         uint16_t        sadb_x_nat_t_port_len;
 213         uint16_t        sadb_x_nat_t_port_exttype;
 214         __be16          sadb_x_nat_t_port_port;
 215         uint16_t        sadb_x_nat_t_port_reserved;
 216 } __attribute__((packed));
 217 /* sizeof(struct sadb_x_nat_t_port) == 8 */
 218
 219 /* Generic LSM security context */
 220 struct sadb_x_sec_ctx {
 221         uint16_t        sadb_x_sec_len;
 222         uint16_t        sadb_x_sec_exttype;
 223         uint8_t         sadb_x_ctx_alg;  /* LSMs: e.g., selinux == 1 */
 224         uint8_t         sadb_x_ctx_doi;
 225         uint16_t        sadb_x_ctx_len;
 226 } __attribute__((packed));
 227 /* sizeof(struct sadb_sec_ctx) = 8 */
 228
 229 /* Message types */
 230 #define SADB_RESERVED           0
 231 #define SADB_GETSPI             1
 232 #define SADB_UPDATE             2
 233 #define SADB_ADD                3
 234 #define SADB_DELETE             4
 235 #define SADB_GET                5
 236 #define SADB_ACQUIRE            6
 237 #define SADB_REGISTER           7
 238 #define SADB_EXPIRE             8
 239 #define SADB_FLUSH              9
 240 #define SADB_DUMP               10
 241 #define SADB_X_PROMISC          11
 242 #define SADB_X_PCHANGE          12
 243 #define SADB_X_SPDUPDATE        13
 244 #define SADB_X_SPDADD           14
 245 #define SADB_X_SPDDELETE        15
 246 #define SADB_X_SPDGET           16
 247 #define SADB_X_SPDACQUIRE       17
 248 #define SADB_X_SPDDUMP          18
 249 #define SADB_X_SPDFLUSH         19
 250 #define SADB_X_SPDSETIDX        20
 251 #define SADB_X_SPDEXPIRE        21
 252 #define SADB_X_SPDDELETE2       22
 253 #define SADB_X_NAT_T_NEW_MAPPING        23
 254 #define SADB_X_MIGRATE          24
 255 #define SADB_MAX                24
 256
 257 /* Security Association flags */
 258 #define SADB_SAFLAGS_PFS        1
 259 #define SADB_SAFLAGS_NOPMTUDISC 0x20000000
 260 #define SADB_SAFLAGS_DECAP_DSCP 0x40000000
 261 #define SADB_SAFLAGS_NOECN      0x80000000
 262
 263 /* Security Association states */
 264 #define SADB_SASTATE_LARVAL     0
 265 #define SADB_SASTATE_MATURE     1
 266 #define SADB_SASTATE_DYING      2
 267 #define SADB_SASTATE_DEAD       3
 268 #define SADB_SASTATE_MAX        3
 269
 270 /* Security Association types */
 271 #define SADB_SATYPE_UNSPEC      0
 272 #define SADB_SATYPE_AH          2
 273 #define SADB_SATYPE_ESP         3
 274 #define SADB_SATYPE_RSVP        5
 275 #define SADB_SATYPE_OSPFV2      6
 276 #define SADB_SATYPE_RIPV2       7
 277 #define SADB_SATYPE_MIP         8
 278 #define SADB_X_SATYPE_IPCOMP    9
 279 #define SADB_SATYPE_MAX         9
 280
 281 /* Authentication algorithms */
 282 #define SADB_AALG_NONE                  0
 283 #define SADB_AALG_MD5HMAC               2
 284 #define SADB_AALG_SHA1HMAC              3
 285 #define SADB_X_AALG_SHA2_256HMAC        5
 286 #define SADB_X_AALG_SHA2_384HMAC        6
 287 #define SADB_X_AALG_SHA2_512HMAC        7
 288 #define SADB_X_AALG_RIPEMD160HMAC       8
 289 #define SADB_X_AALG_AES_XCBC_MAC        9
 290 #define SADB_X_AALG_NULL                251     /* kame */
 291 #define SADB_AALG_MAX                   251
 292
 293 /* Encryption algorithms */
 294 #define SADB_EALG_NONE                  0
 295 #define SADB_EALG_DESCBC                2
 296 #define SADB_EALG_3DESCBC               3
 297 #define SADB_X_EALG_CASTCBC             6
 298 #define SADB_X_EALG_BLOWFISHCBC         7
 299 #define SADB_EALG_NULL                  11
 300 #define SADB_X_EALG_AESCBC              12
 301 #define SADB_X_EALG_CAMELLIACBC         22
 302 #define SADB_EALG_MAX                   253 /* last EALG */
 303 /* private allocations should use 249-255 (RFC2407) */
 304 #define SADB_X_EALG_SERPENTCBC  252     /* draft-ietf-ipsec-ciph-aes-cbc-00 */
 305 #define SADB_X_EALG_TWOFISHCBC  253     /* draft-ietf-ipsec-ciph-aes-cbc-00 */
 306
 307 /* Compression algorithms */
 308 #define SADB_X_CALG_NONE                0
 309 #define SADB_X_CALG_OUI                 1
 310 #define SADB_X_CALG_DEFLATE             2
 311 #define SADB_X_CALG_LZS                 3
 312 #define SADB_X_CALG_LZJH                4
 313 #define SADB_X_CALG_MAX                 4
 314
 315 /* Extension Header values */
 316 #define SADB_EXT_RESERVED               0
 317 #define SADB_EXT_SA                     1
 318 #define SADB_EXT_LIFETIME_CURRENT       2
 319 #define SADB_EXT_LIFETIME_HARD          3
 320 #define SADB_EXT_LIFETIME_SOFT          4
 321 #define SADB_EXT_ADDRESS_SRC            5
 322 #define SADB_EXT_ADDRESS_DST            6
 323 #define SADB_EXT_ADDRESS_PROXY          7
 324 #define SADB_EXT_KEY_AUTH               8
 325 #define SADB_EXT_KEY_ENCRYPT            9
 326 #define SADB_EXT_IDENTITY_SRC           10
 327 #define SADB_EXT_IDENTITY_DST           11
 328 #define SADB_EXT_SENSITIVITY            12
 329 #define SADB_EXT_PROPOSAL               13
 330 #define SADB_EXT_SUPPORTED_AUTH         14
 331 #define SADB_EXT_SUPPORTED_ENCRYPT      15
 332 #define SADB_EXT_SPIRANGE               16
 333 #define SADB_X_EXT_KMPRIVATE            17
 334 #define SADB_X_EXT_POLICY               18
 335 #define SADB_X_EXT_SA2                  19
 336 /* The next four entries are for setting up NAT Traversal */
 337 #define SADB_X_EXT_NAT_T_TYPE           20
 338 #define SADB_X_EXT_NAT_T_SPORT          21
 339 #define SADB_X_EXT_NAT_T_DPORT          22
 340 #define SADB_X_EXT_NAT_T_OA             23
 341 #define SADB_X_EXT_SEC_CTX              24
 342 #define SADB_EXT_MAX                    24
 343
 344 /* Identity Extension values */
 345 #define SADB_IDENTTYPE_RESERVED 0
 346 #define SADB_IDENTTYPE_PREFIX   1
 347 #define SADB_IDENTTYPE_FQDN     2
 348 #define SADB_IDENTTYPE_USERFQDN 3
 349 #define SADB_IDENTTYPE_MAX      3
 350
 351 #endif /* !(_LINUX_PFKEY2_H) */