Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | uint32_t 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)) / |
Alexey Dobriyan | 32357988 | 2006-01-15 02:12:54 +0100 | [diff] [blame] | 107 | sizeof(struct sadb_comb)]; */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | u_int32_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 | uint16_t 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 | |
Trent Jaeger | df71837 | 2005-12-13 23:12:27 -0800 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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_MAX 23 |
| 255 | |
| 256 | /* Security Association flags */ |
| 257 | #define SADB_SAFLAGS_PFS 1 |
Herbert Xu | dd87147 | 2005-06-20 13:21:43 -0700 | [diff] [blame] | 258 | #define SADB_SAFLAGS_NOPMTUDISC 0x20000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | #define SADB_SAFLAGS_DECAP_DSCP 0x40000000 |
| 260 | #define SADB_SAFLAGS_NOECN 0x80000000 |
| 261 | |
| 262 | /* Security Association states */ |
| 263 | #define SADB_SASTATE_LARVAL 0 |
| 264 | #define SADB_SASTATE_MATURE 1 |
| 265 | #define SADB_SASTATE_DYING 2 |
| 266 | #define SADB_SASTATE_DEAD 3 |
| 267 | #define SADB_SASTATE_MAX 3 |
| 268 | |
| 269 | /* Security Association types */ |
| 270 | #define SADB_SATYPE_UNSPEC 0 |
| 271 | #define SADB_SATYPE_AH 2 |
| 272 | #define SADB_SATYPE_ESP 3 |
| 273 | #define SADB_SATYPE_RSVP 5 |
| 274 | #define SADB_SATYPE_OSPFV2 6 |
| 275 | #define SADB_SATYPE_RIPV2 7 |
| 276 | #define SADB_SATYPE_MIP 8 |
| 277 | #define SADB_X_SATYPE_IPCOMP 9 |
| 278 | #define SADB_SATYPE_MAX 9 |
| 279 | |
| 280 | /* Authentication algorithms */ |
| 281 | #define SADB_AALG_NONE 0 |
| 282 | #define SADB_AALG_MD5HMAC 2 |
| 283 | #define SADB_AALG_SHA1HMAC 3 |
| 284 | #define SADB_X_AALG_SHA2_256HMAC 5 |
| 285 | #define SADB_X_AALG_SHA2_384HMAC 6 |
| 286 | #define SADB_X_AALG_SHA2_512HMAC 7 |
| 287 | #define SADB_X_AALG_RIPEMD160HMAC 8 |
| 288 | #define SADB_X_AALG_NULL 251 /* kame */ |
| 289 | #define SADB_AALG_MAX 251 |
| 290 | |
| 291 | /* Encryption algorithms */ |
| 292 | #define SADB_EALG_NONE 0 |
| 293 | #define SADB_EALG_DESCBC 2 |
| 294 | #define SADB_EALG_3DESCBC 3 |
| 295 | #define SADB_X_EALG_CASTCBC 6 |
| 296 | #define SADB_X_EALG_BLOWFISHCBC 7 |
| 297 | #define SADB_EALG_NULL 11 |
| 298 | #define SADB_X_EALG_AESCBC 12 |
| 299 | #define SADB_EALG_MAX 253 /* last EALG */ |
| 300 | /* private allocations should use 249-255 (RFC2407) */ |
| 301 | #define SADB_X_EALG_SERPENTCBC 252 /* draft-ietf-ipsec-ciph-aes-cbc-00 */ |
| 302 | #define SADB_X_EALG_TWOFISHCBC 253 /* draft-ietf-ipsec-ciph-aes-cbc-00 */ |
| 303 | |
| 304 | /* Compression algorithms */ |
| 305 | #define SADB_X_CALG_NONE 0 |
| 306 | #define SADB_X_CALG_OUI 1 |
| 307 | #define SADB_X_CALG_DEFLATE 2 |
| 308 | #define SADB_X_CALG_LZS 3 |
| 309 | #define SADB_X_CALG_LZJH 4 |
| 310 | #define SADB_X_CALG_MAX 4 |
| 311 | |
| 312 | /* Extension Header values */ |
| 313 | #define SADB_EXT_RESERVED 0 |
| 314 | #define SADB_EXT_SA 1 |
| 315 | #define SADB_EXT_LIFETIME_CURRENT 2 |
| 316 | #define SADB_EXT_LIFETIME_HARD 3 |
| 317 | #define SADB_EXT_LIFETIME_SOFT 4 |
| 318 | #define SADB_EXT_ADDRESS_SRC 5 |
| 319 | #define SADB_EXT_ADDRESS_DST 6 |
| 320 | #define SADB_EXT_ADDRESS_PROXY 7 |
| 321 | #define SADB_EXT_KEY_AUTH 8 |
| 322 | #define SADB_EXT_KEY_ENCRYPT 9 |
| 323 | #define SADB_EXT_IDENTITY_SRC 10 |
| 324 | #define SADB_EXT_IDENTITY_DST 11 |
| 325 | #define SADB_EXT_SENSITIVITY 12 |
| 326 | #define SADB_EXT_PROPOSAL 13 |
| 327 | #define SADB_EXT_SUPPORTED_AUTH 14 |
| 328 | #define SADB_EXT_SUPPORTED_ENCRYPT 15 |
| 329 | #define SADB_EXT_SPIRANGE 16 |
| 330 | #define SADB_X_EXT_KMPRIVATE 17 |
| 331 | #define SADB_X_EXT_POLICY 18 |
| 332 | #define SADB_X_EXT_SA2 19 |
| 333 | /* The next four entries are for setting up NAT Traversal */ |
| 334 | #define SADB_X_EXT_NAT_T_TYPE 20 |
| 335 | #define SADB_X_EXT_NAT_T_SPORT 21 |
| 336 | #define SADB_X_EXT_NAT_T_DPORT 22 |
| 337 | #define SADB_X_EXT_NAT_T_OA 23 |
Trent Jaeger | df71837 | 2005-12-13 23:12:27 -0800 | [diff] [blame] | 338 | #define SADB_X_EXT_SEC_CTX 24 |
| 339 | #define SADB_EXT_MAX 24 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | |
| 341 | /* Identity Extension values */ |
| 342 | #define SADB_IDENTTYPE_RESERVED 0 |
| 343 | #define SADB_IDENTTYPE_PREFIX 1 |
| 344 | #define SADB_IDENTTYPE_FQDN 2 |
| 345 | #define SADB_IDENTTYPE_USERFQDN 3 |
| 346 | #define SADB_IDENTTYPE_MAX 3 |
| 347 | |
| 348 | #endif /* !(_LINUX_PFKEY2_H) */ |