1 /* 2 * DPP functionality shared between hostapd and wpa_supplicant 3 * Copyright (c) 2017, Qualcomm Atheros, Inc. 4 * Copyright (c) 2018-2020, The Linux Foundation 5 * 6 * This software may be distributed under the terms of the BSD license. 7 * See README for more details. 8 */ 9 10 #ifndef DPP_H 11 #define DPP_H 12 13 #ifdef CONFIG_DPP 14 #include "utils/list.h" 15 #include "common/wpa_common.h" 16 #include "crypto/sha256.h" 17 #include "crypto/crypto.h" 18 19 struct hostapd_ip_addr; 20 struct dpp_global; 21 struct json_token; 22 struct dpp_reconfig_id; 23 24 #ifdef CONFIG_TESTING_OPTIONS 25 #define DPP_VERSION (dpp_version_override) 26 extern int dpp_version_override; 27 #else /* CONFIG_TESTING_OPTIONS */ 28 #ifdef CONFIG_DPP2 29 #define DPP_VERSION 2 30 #else 31 #define DPP_VERSION 1 32 #endif 33 #endif /* CONFIG_TESTING_OPTIONS */ 34 35 #define DPP_HDR_LEN (4 + 2) /* OUI, OUI Type, Crypto Suite, DPP frame type */ 36 #define DPP_TCP_PORT 8908 37 38 enum dpp_public_action_frame_type { 39 DPP_PA_AUTHENTICATION_REQ = 0, 40 DPP_PA_AUTHENTICATION_RESP = 1, 41 DPP_PA_AUTHENTICATION_CONF = 2, 42 DPP_PA_PEER_DISCOVERY_REQ = 5, 43 DPP_PA_PEER_DISCOVERY_RESP = 6, 44 DPP_PA_PKEX_EXCHANGE_REQ = 7, 45 DPP_PA_PKEX_EXCHANGE_RESP = 8, 46 DPP_PA_PKEX_COMMIT_REVEAL_REQ = 9, 47 DPP_PA_PKEX_COMMIT_REVEAL_RESP = 10, 48 DPP_PA_CONFIGURATION_RESULT = 11, 49 DPP_PA_CONNECTION_STATUS_RESULT = 12, 50 DPP_PA_PRESENCE_ANNOUNCEMENT = 13, 51 DPP_PA_RECONFIG_ANNOUNCEMENT = 14, 52 DPP_PA_RECONFIG_AUTH_REQ = 15, 53 DPP_PA_RECONFIG_AUTH_RESP = 16, 54 DPP_PA_RECONFIG_AUTH_CONF = 17, 55 }; 56 57 enum dpp_attribute_id { 58 DPP_ATTR_STATUS = 0x1000, 59 DPP_ATTR_I_BOOTSTRAP_KEY_HASH = 0x1001, 60 DPP_ATTR_R_BOOTSTRAP_KEY_HASH = 0x1002, 61 DPP_ATTR_I_PROTOCOL_KEY = 0x1003, 62 DPP_ATTR_WRAPPED_DATA = 0x1004, 63 DPP_ATTR_I_NONCE = 0x1005, 64 DPP_ATTR_I_CAPABILITIES = 0x1006, 65 DPP_ATTR_R_NONCE = 0x1007, 66 DPP_ATTR_R_CAPABILITIES = 0x1008, 67 DPP_ATTR_R_PROTOCOL_KEY = 0x1009, 68 DPP_ATTR_I_AUTH_TAG = 0x100A, 69 DPP_ATTR_R_AUTH_TAG = 0x100B, 70 DPP_ATTR_CONFIG_OBJ = 0x100C, 71 DPP_ATTR_CONNECTOR = 0x100D, 72 DPP_ATTR_CONFIG_ATTR_OBJ = 0x100E, 73 DPP_ATTR_BOOTSTRAP_KEY = 0x100F, 74 DPP_ATTR_OWN_NET_NK_HASH = 0x1011, 75 DPP_ATTR_FINITE_CYCLIC_GROUP = 0x1012, 76 DPP_ATTR_ENCRYPTED_KEY = 0x1013, 77 DPP_ATTR_ENROLLEE_NONCE = 0x1014, 78 DPP_ATTR_CODE_IDENTIFIER = 0x1015, 79 DPP_ATTR_TRANSACTION_ID = 0x1016, 80 DPP_ATTR_BOOTSTRAP_INFO = 0x1017, 81 DPP_ATTR_CHANNEL = 0x1018, 82 DPP_ATTR_PROTOCOL_VERSION = 0x1019, 83 DPP_ATTR_ENVELOPED_DATA = 0x101A, 84 DPP_ATTR_SEND_CONN_STATUS = 0x101B, 85 DPP_ATTR_CONN_STATUS = 0x101C, 86 DPP_ATTR_RECONFIG_FLAGS = 0x101D, 87 DPP_ATTR_C_SIGN_KEY_HASH = 0x101E, 88 DPP_ATTR_CSR_ATTR_REQ = 0x101F, 89 DPP_ATTR_A_NONCE = 0x1020, 90 DPP_ATTR_E_PRIME_ID = 0x1021, 91 DPP_ATTR_CONFIGURATOR_NONCE = 0x1022, 92 }; 93 94 enum dpp_status_error { 95 DPP_STATUS_OK = 0, 96 DPP_STATUS_NOT_COMPATIBLE = 1, 97 DPP_STATUS_AUTH_FAILURE = 2, 98 DPP_STATUS_UNWRAP_FAILURE = 3, 99 DPP_STATUS_BAD_GROUP = 4, 100 DPP_STATUS_CONFIGURE_FAILURE = 5, 101 DPP_STATUS_RESPONSE_PENDING = 6, 102 DPP_STATUS_INVALID_CONNECTOR = 7, 103 DPP_STATUS_NO_MATCH = 8, 104 DPP_STATUS_CONFIG_REJECTED = 9, 105 DPP_STATUS_NO_AP = 10, 106 DPP_STATUS_CONFIGURE_PENDING = 11, 107 DPP_STATUS_CSR_NEEDED = 12, 108 DPP_STATUS_CSR_BAD = 13, 109 }; 110 111 /* DPP Reconfig Flags object - connectorKey values */ 112 enum dpp_connector_key { 113 DPP_CONFIG_REUSEKEY = 0, 114 DPP_CONFIG_REPLACEKEY = 1, 115 }; 116 117 #define DPP_CAPAB_ENROLLEE BIT(0) 118 #define DPP_CAPAB_CONFIGURATOR BIT(1) 119 #define DPP_CAPAB_ROLE_MASK (BIT(0) | BIT(1)) 120 121 #define DPP_BOOTSTRAP_MAX_FREQ 30 122 #define DPP_MAX_NONCE_LEN 32 123 #define DPP_MAX_HASH_LEN 64 124 #define DPP_MAX_SHARED_SECRET_LEN 66 125 #define DPP_CP_LEN 64 126 127 struct dpp_curve_params { 128 const char *name; 129 size_t hash_len; 130 size_t aes_siv_key_len; 131 size_t nonce_len; 132 size_t prime_len; 133 const char *jwk_crv; 134 u16 ike_group; 135 const char *jws_alg; 136 }; 137 138 enum dpp_bootstrap_type { 139 DPP_BOOTSTRAP_QR_CODE, 140 DPP_BOOTSTRAP_PKEX, 141 DPP_BOOTSTRAP_NFC_URI, 142 }; 143 144 struct dpp_bootstrap_info { 145 struct dl_list list; 146 unsigned int id; 147 enum dpp_bootstrap_type type; 148 char *uri; 149 u8 mac_addr[ETH_ALEN]; 150 char *chan; 151 char *info; 152 char *pk; 153 unsigned int freq[DPP_BOOTSTRAP_MAX_FREQ]; 154 unsigned int num_freq; 155 bool channels_listed; 156 u8 version; 157 int own; 158 struct crypto_ec_key *pubkey; 159 u8 pubkey_hash[SHA256_MAC_LEN]; 160 u8 pubkey_hash_chirp[SHA256_MAC_LEN]; 161 const struct dpp_curve_params *curve; 162 unsigned int pkex_t; /* number of failures before dpp_pkex 163 * instantiation */ 164 int nfc_negotiated; /* whether this has been used in NFC negotiated 165 * connection handover */ 166 char *configurator_params; 167 }; 168 169 #define PKEX_COUNTER_T_LIMIT 5 170 171 struct dpp_pkex { 172 void *msg_ctx; 173 unsigned int initiator:1; 174 unsigned int exchange_done:1; 175 unsigned int failed:1; 176 struct dpp_bootstrap_info *own_bi; 177 u8 own_mac[ETH_ALEN]; 178 u8 peer_mac[ETH_ALEN]; 179 char *identifier; 180 char *code; 181 struct crypto_ec_key *x; 182 struct crypto_ec_key *y; 183 u8 Mx[DPP_MAX_SHARED_SECRET_LEN]; 184 u8 Nx[DPP_MAX_SHARED_SECRET_LEN]; 185 u8 z[DPP_MAX_HASH_LEN]; 186 struct crypto_ec_key *peer_bootstrap_key; 187 struct wpabuf *exchange_req; 188 struct wpabuf *exchange_resp; 189 unsigned int t; /* number of failures on code use */ 190 unsigned int exch_req_wait_time; 191 unsigned int exch_req_tries; 192 unsigned int freq; 193 }; 194 195 enum dpp_akm { 196 DPP_AKM_UNKNOWN, 197 DPP_AKM_DPP, 198 DPP_AKM_PSK, 199 DPP_AKM_SAE, 200 DPP_AKM_PSK_SAE, 201 DPP_AKM_SAE_DPP, 202 DPP_AKM_PSK_SAE_DPP, 203 DPP_AKM_DOT1X, 204 }; 205 206 enum dpp_netrole { 207 DPP_NETROLE_STA, 208 DPP_NETROLE_AP, 209 DPP_NETROLE_CONFIGURATOR, 210 }; 211 212 struct dpp_configuration { 213 u8 ssid[32]; 214 size_t ssid_len; 215 int ssid_charset; 216 enum dpp_akm akm; 217 enum dpp_netrole netrole; 218 219 /* For DPP configuration (connector) */ 220 os_time_t netaccesskey_expiry; 221 222 /* TODO: groups */ 223 char *group_id; 224 225 /* For legacy configuration */ 226 char *passphrase; 227 u8 psk[32]; 228 int psk_set; 229 230 char *csrattrs; 231 }; 232 233 struct dpp_asymmetric_key { 234 struct dpp_asymmetric_key *next; 235 struct crypto_ec_key *csign; 236 struct crypto_ec_key *pp_key; 237 char *config_template; 238 char *connector_template; 239 }; 240 241 #define DPP_MAX_CONF_OBJ 10 242 243 struct dpp_authentication { 244 struct dpp_global *global; 245 void *msg_ctx; 246 u8 peer_version; 247 const struct dpp_curve_params *curve; 248 struct dpp_bootstrap_info *peer_bi; 249 struct dpp_bootstrap_info *own_bi; 250 struct dpp_bootstrap_info *tmp_own_bi; 251 struct dpp_bootstrap_info *tmp_peer_bi; 252 u8 waiting_pubkey_hash[SHA256_MAC_LEN]; 253 int response_pending; 254 int reconfig; 255 enum dpp_connector_key reconfig_connector_key; 256 enum dpp_status_error auth_resp_status; 257 enum dpp_status_error conf_resp_status; 258 enum dpp_status_error force_conf_resp_status; 259 u8 peer_mac_addr[ETH_ALEN]; 260 u8 i_nonce[DPP_MAX_NONCE_LEN]; 261 u8 r_nonce[DPP_MAX_NONCE_LEN]; 262 u8 e_nonce[DPP_MAX_NONCE_LEN]; 263 u8 c_nonce[DPP_MAX_NONCE_LEN]; 264 u8 i_capab; 265 u8 r_capab; 266 enum dpp_netrole e_netrole; 267 struct crypto_ec_key *own_protocol_key; 268 struct crypto_ec_key *peer_protocol_key; 269 struct crypto_ec_key *reconfig_old_protocol_key; 270 struct wpabuf *req_msg; 271 struct wpabuf *resp_msg; 272 struct wpabuf *reconfig_req_msg; 273 struct wpabuf *reconfig_resp_msg; 274 /* Intersection of possible frequencies for initiating DPP 275 * Authentication exchange */ 276 unsigned int freq[DPP_BOOTSTRAP_MAX_FREQ]; 277 unsigned int num_freq, freq_idx; 278 unsigned int curr_freq; 279 unsigned int neg_freq; 280 unsigned int num_freq_iters; 281 size_t secret_len; 282 u8 Mx[DPP_MAX_SHARED_SECRET_LEN]; 283 size_t Mx_len; 284 u8 Nx[DPP_MAX_SHARED_SECRET_LEN]; 285 size_t Nx_len; 286 u8 Lx[DPP_MAX_SHARED_SECRET_LEN]; 287 size_t Lx_len; 288 u8 k1[DPP_MAX_HASH_LEN]; 289 u8 k2[DPP_MAX_HASH_LEN]; 290 u8 ke[DPP_MAX_HASH_LEN]; 291 u8 bk[DPP_MAX_HASH_LEN]; 292 int initiator; 293 int waiting_auth_resp; 294 int waiting_auth_conf; 295 int auth_req_ack; 296 unsigned int auth_resp_tries; 297 u8 allowed_roles; 298 int configurator; 299 int remove_on_tx_status; 300 int connect_on_tx_status; 301 int waiting_conf_result; 302 int waiting_conn_status_result; 303 int auth_success; 304 bool reconfig_success; 305 struct wpabuf *conf_req; 306 const struct wpabuf *conf_resp; /* owned by GAS server */ 307 struct wpabuf *conf_resp_tcp; 308 struct dpp_configuration *conf_ap; 309 struct dpp_configuration *conf2_ap; 310 struct dpp_configuration *conf_sta; 311 struct dpp_configuration *conf2_sta; 312 int provision_configurator; 313 struct dpp_configurator *conf; 314 struct dpp_config_obj { 315 char *connector; /* received signedConnector */ 316 u8 ssid[SSID_MAX_LEN]; 317 u8 ssid_len; 318 int ssid_charset; 319 char passphrase[64]; 320 u8 psk[PMK_LEN]; 321 int psk_set; 322 enum dpp_akm akm; 323 struct wpabuf *c_sign_key; 324 struct wpabuf *certbag; 325 struct wpabuf *certs; 326 struct wpabuf *cacert; 327 char *server_name; 328 struct wpabuf *pp_key; 329 } conf_obj[DPP_MAX_CONF_OBJ]; 330 unsigned int num_conf_obj; 331 struct dpp_asymmetric_key *conf_key_pkg; 332 struct wpabuf *net_access_key; 333 os_time_t net_access_key_expiry; 334 int send_conn_status; 335 int conn_status_requested; 336 int akm_use_selector; 337 int configurator_set; 338 u8 transaction_id; 339 u8 *csrattrs; 340 size_t csrattrs_len; 341 bool waiting_csr; 342 struct wpabuf *csr; 343 struct wpabuf *priv_key; /* DER-encoded private key used for csr */ 344 bool waiting_cert; 345 char *trusted_eap_server_name; 346 struct wpabuf *cacert; 347 struct wpabuf *certbag; 348 void *cert_resp_ctx; 349 void *gas_server_ctx; 350 #ifdef CONFIG_TESTING_OPTIONS 351 char *config_obj_override; 352 char *discovery_override; 353 char *groups_override; 354 unsigned int ignore_netaccesskey_mismatch:1; 355 #endif /* CONFIG_TESTING_OPTIONS */ 356 }; 357 358 struct dpp_configurator { 359 struct dl_list list; 360 unsigned int id; 361 int own; 362 struct crypto_ec_key *csign; 363 u8 kid_hash[SHA256_MAC_LEN]; 364 char *kid; 365 const struct dpp_curve_params *curve; 366 char *connector; /* own Connector for reconfiguration */ 367 struct crypto_ec_key *connector_key; 368 struct crypto_ec_key *pp_key; 369 }; 370 371 struct dpp_introduction { 372 u8 pmkid[PMKID_LEN]; 373 u8 pmk[PMK_LEN_MAX]; 374 size_t pmk_len; 375 }; 376 377 struct dpp_relay_config { 378 const struct hostapd_ip_addr *ipaddr; 379 const u8 *pkhash; 380 381 void *msg_ctx; 382 void *cb_ctx; 383 void (*tx)(void *ctx, const u8 *addr, unsigned int freq, const u8 *msg, 384 size_t len); 385 void (*gas_resp_tx)(void *ctx, const u8 *addr, u8 dialog_token, int prot, 386 struct wpabuf *buf); 387 }; 388 389 struct dpp_controller_config { 390 const char *configurator_params; 391 int tcp_port; 392 u8 allowed_roles; 393 int qr_mutual; 394 enum dpp_netrole netrole; 395 void *msg_ctx; 396 void *cb_ctx; 397 int (*process_conf_obj)(void *ctx, struct dpp_authentication *auth); 398 }; 399 400 #ifdef CONFIG_TESTING_OPTIONS 401 enum dpp_test_behavior { 402 DPP_TEST_DISABLED = 0, 403 DPP_TEST_AFTER_WRAPPED_DATA_AUTH_REQ = 1, 404 DPP_TEST_AFTER_WRAPPED_DATA_AUTH_RESP = 2, 405 DPP_TEST_AFTER_WRAPPED_DATA_AUTH_CONF = 3, 406 DPP_TEST_AFTER_WRAPPED_DATA_PKEX_CR_REQ = 4, 407 DPP_TEST_AFTER_WRAPPED_DATA_PKEX_CR_RESP = 5, 408 DPP_TEST_AFTER_WRAPPED_DATA_CONF_REQ = 6, 409 DPP_TEST_AFTER_WRAPPED_DATA_CONF_RESP = 7, 410 DPP_TEST_ZERO_I_CAPAB = 8, 411 DPP_TEST_ZERO_R_CAPAB = 9, 412 DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_REQ = 10, 413 DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_REQ = 11, 414 DPP_TEST_NO_I_PROTO_KEY_AUTH_REQ = 12, 415 DPP_TEST_NO_I_NONCE_AUTH_REQ = 13, 416 DPP_TEST_NO_I_CAPAB_AUTH_REQ = 14, 417 DPP_TEST_NO_WRAPPED_DATA_AUTH_REQ = 15, 418 DPP_TEST_NO_STATUS_AUTH_RESP = 16, 419 DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_RESP = 17, 420 DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_RESP = 18, 421 DPP_TEST_NO_R_PROTO_KEY_AUTH_RESP = 19, 422 DPP_TEST_NO_R_NONCE_AUTH_RESP = 20, 423 DPP_TEST_NO_I_NONCE_AUTH_RESP = 21, 424 DPP_TEST_NO_R_CAPAB_AUTH_RESP = 22, 425 DPP_TEST_NO_R_AUTH_AUTH_RESP = 23, 426 DPP_TEST_NO_WRAPPED_DATA_AUTH_RESP = 24, 427 DPP_TEST_NO_STATUS_AUTH_CONF = 25, 428 DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 26, 429 DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 27, 430 DPP_TEST_NO_I_AUTH_AUTH_CONF = 28, 431 DPP_TEST_NO_WRAPPED_DATA_AUTH_CONF = 29, 432 DPP_TEST_I_NONCE_MISMATCH_AUTH_RESP = 30, 433 DPP_TEST_INCOMPATIBLE_R_CAPAB_AUTH_RESP = 31, 434 DPP_TEST_R_AUTH_MISMATCH_AUTH_RESP = 32, 435 DPP_TEST_I_AUTH_MISMATCH_AUTH_CONF = 33, 436 DPP_TEST_NO_FINITE_CYCLIC_GROUP_PKEX_EXCHANGE_REQ = 34, 437 DPP_TEST_NO_ENCRYPTED_KEY_PKEX_EXCHANGE_REQ = 35, 438 DPP_TEST_NO_STATUS_PKEX_EXCHANGE_RESP = 36, 439 DPP_TEST_NO_ENCRYPTED_KEY_PKEX_EXCHANGE_RESP = 37, 440 DPP_TEST_NO_BOOTSTRAP_KEY_PKEX_CR_REQ = 38, 441 DPP_TEST_NO_I_AUTH_TAG_PKEX_CR_REQ = 39, 442 DPP_TEST_NO_WRAPPED_DATA_PKEX_CR_REQ = 40, 443 DPP_TEST_NO_BOOTSTRAP_KEY_PKEX_CR_RESP = 41, 444 DPP_TEST_NO_R_AUTH_TAG_PKEX_CR_RESP = 42, 445 DPP_TEST_NO_WRAPPED_DATA_PKEX_CR_RESP = 43, 446 DPP_TEST_INVALID_ENCRYPTED_KEY_PKEX_EXCHANGE_REQ = 44, 447 DPP_TEST_INVALID_ENCRYPTED_KEY_PKEX_EXCHANGE_RESP = 45, 448 DPP_TEST_INVALID_STATUS_PKEX_EXCHANGE_RESP = 46, 449 DPP_TEST_INVALID_BOOTSTRAP_KEY_PKEX_CR_REQ = 47, 450 DPP_TEST_INVALID_BOOTSTRAP_KEY_PKEX_CR_RESP = 48, 451 DPP_TEST_I_AUTH_TAG_MISMATCH_PKEX_CR_REQ = 49, 452 DPP_TEST_R_AUTH_TAG_MISMATCH_PKEX_CR_RESP = 50, 453 DPP_TEST_NO_E_NONCE_CONF_REQ = 51, 454 DPP_TEST_NO_CONFIG_ATTR_OBJ_CONF_REQ = 52, 455 DPP_TEST_NO_WRAPPED_DATA_CONF_REQ = 53, 456 DPP_TEST_NO_E_NONCE_CONF_RESP = 54, 457 DPP_TEST_NO_CONFIG_OBJ_CONF_RESP = 55, 458 DPP_TEST_NO_STATUS_CONF_RESP = 56, 459 DPP_TEST_NO_WRAPPED_DATA_CONF_RESP = 57, 460 DPP_TEST_INVALID_STATUS_CONF_RESP = 58, 461 DPP_TEST_E_NONCE_MISMATCH_CONF_RESP = 59, 462 DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ = 60, 463 DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ = 61, 464 DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_RESP = 62, 465 DPP_TEST_NO_STATUS_PEER_DISC_RESP = 63, 466 DPP_TEST_NO_CONNECTOR_PEER_DISC_RESP = 64, 467 DPP_TEST_AUTH_RESP_IN_PLACE_OF_CONF = 65, 468 DPP_TEST_INVALID_I_PROTO_KEY_AUTH_REQ = 66, 469 DPP_TEST_INVALID_R_PROTO_KEY_AUTH_RESP = 67, 470 DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_REQ = 68, 471 DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_REQ = 69, 472 DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_RESP = 70, 473 DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_RESP = 71, 474 DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 72, 475 DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 73, 476 DPP_TEST_INVALID_STATUS_AUTH_RESP = 74, 477 DPP_TEST_INVALID_STATUS_AUTH_CONF = 75, 478 DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ = 76, 479 DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_RESP = 77, 480 DPP_TEST_INVALID_STATUS_PEER_DISC_RESP = 78, 481 DPP_TEST_INVALID_CONNECTOR_PEER_DISC_RESP = 79, 482 DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ = 80, 483 DPP_TEST_INVALID_I_NONCE_AUTH_REQ = 81, 484 DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ = 82, 485 DPP_TEST_INVALID_E_NONCE_CONF_REQ = 83, 486 DPP_TEST_STOP_AT_PKEX_EXCHANGE_RESP = 84, 487 DPP_TEST_STOP_AT_PKEX_CR_REQ = 85, 488 DPP_TEST_STOP_AT_PKEX_CR_RESP = 86, 489 DPP_TEST_STOP_AT_AUTH_REQ = 87, 490 DPP_TEST_STOP_AT_AUTH_RESP = 88, 491 DPP_TEST_STOP_AT_AUTH_CONF = 89, 492 DPP_TEST_STOP_AT_CONF_REQ = 90, 493 DPP_TEST_REJECT_CONFIG = 91, 494 }; 495 496 extern enum dpp_test_behavior dpp_test; 497 extern u8 dpp_pkex_own_mac_override[ETH_ALEN]; 498 extern u8 dpp_pkex_peer_mac_override[ETH_ALEN]; 499 extern u8 dpp_pkex_ephemeral_key_override[600]; 500 extern size_t dpp_pkex_ephemeral_key_override_len; 501 extern u8 dpp_protocol_key_override[600]; 502 extern size_t dpp_protocol_key_override_len; 503 extern u8 dpp_nonce_override[DPP_MAX_NONCE_LEN]; 504 extern size_t dpp_nonce_override_len; 505 #endif /* CONFIG_TESTING_OPTIONS */ 506 507 void dpp_bootstrap_info_free(struct dpp_bootstrap_info *info); 508 const char * dpp_bootstrap_type_txt(enum dpp_bootstrap_type type); 509 int dpp_parse_uri_chan_list(struct dpp_bootstrap_info *bi, 510 const char *chan_list); 511 int dpp_parse_uri_mac(struct dpp_bootstrap_info *bi, const char *mac); 512 int dpp_parse_uri_info(struct dpp_bootstrap_info *bi, const char *info); 513 int dpp_nfc_update_bi(struct dpp_bootstrap_info *own_bi, 514 struct dpp_bootstrap_info *peer_bi); 515 struct dpp_authentication * 516 dpp_alloc_auth(struct dpp_global *dpp, void *msg_ctx); 517 struct hostapd_hw_modes; 518 struct dpp_authentication * dpp_auth_init(struct dpp_global *dpp, void *msg_ctx, 519 struct dpp_bootstrap_info *peer_bi, 520 struct dpp_bootstrap_info *own_bi, 521 u8 dpp_allowed_roles, 522 unsigned int neg_freq, 523 struct hostapd_hw_modes *own_modes, 524 u16 num_modes); 525 struct dpp_authentication * 526 dpp_auth_req_rx(struct dpp_global *dpp, void *msg_ctx, u8 dpp_allowed_roles, 527 int qr_mutual, struct dpp_bootstrap_info *peer_bi, 528 struct dpp_bootstrap_info *own_bi, 529 unsigned int freq, const u8 *hdr, const u8 *attr_start, 530 size_t attr_len); 531 struct wpabuf * 532 dpp_auth_resp_rx(struct dpp_authentication *auth, const u8 *hdr, 533 const u8 *attr_start, size_t attr_len); 534 struct wpabuf * dpp_build_conf_req(struct dpp_authentication *auth, 535 const char *json); 536 struct wpabuf * dpp_build_conf_req_helper(struct dpp_authentication *auth, 537 const char *name, 538 enum dpp_netrole netrole, 539 const char *mud_url, int *opclasses); 540 int dpp_auth_conf_rx(struct dpp_authentication *auth, const u8 *hdr, 541 const u8 *attr_start, size_t attr_len); 542 int dpp_notify_new_qr_code(struct dpp_authentication *auth, 543 struct dpp_bootstrap_info *peer_bi); 544 struct dpp_configuration * dpp_configuration_alloc(const char *type); 545 int dpp_akm_psk(enum dpp_akm akm); 546 int dpp_akm_sae(enum dpp_akm akm); 547 int dpp_akm_legacy(enum dpp_akm akm); 548 int dpp_akm_dpp(enum dpp_akm akm); 549 int dpp_akm_ver2(enum dpp_akm akm); 550 int dpp_configuration_valid(const struct dpp_configuration *conf); 551 void dpp_configuration_free(struct dpp_configuration *conf); 552 int dpp_set_configurator(struct dpp_authentication *auth, const char *cmd); 553 void dpp_auth_deinit(struct dpp_authentication *auth); 554 struct wpabuf * 555 dpp_build_conf_resp(struct dpp_authentication *auth, const u8 *e_nonce, 556 u16 e_nonce_len, enum dpp_netrole netrole, 557 bool cert_req); 558 struct wpabuf * 559 dpp_conf_req_rx(struct dpp_authentication *auth, const u8 *attr_start, 560 size_t attr_len); 561 int dpp_conf_resp_rx(struct dpp_authentication *auth, 562 const struct wpabuf *resp); 563 enum dpp_status_error dpp_conf_result_rx(struct dpp_authentication *auth, 564 const u8 *hdr, 565 const u8 *attr_start, size_t attr_len); 566 struct wpabuf * dpp_build_conf_result(struct dpp_authentication *auth, 567 enum dpp_status_error status); 568 enum dpp_status_error dpp_conn_status_result_rx(struct dpp_authentication *auth, 569 const u8 *hdr, 570 const u8 *attr_start, 571 size_t attr_len, 572 u8 *ssid, size_t *ssid_len, 573 char **channel_list); 574 struct wpabuf * dpp_build_conn_status_result(struct dpp_authentication *auth, 575 enum dpp_status_error result, 576 const u8 *ssid, size_t ssid_len, 577 const char *channel_list); 578 struct wpabuf * dpp_alloc_msg(enum dpp_public_action_frame_type type, 579 size_t len); 580 const u8 * dpp_get_attr(const u8 *buf, size_t len, u16 req_id, u16 *ret_len); 581 int dpp_check_attrs(const u8 *buf, size_t len); 582 int dpp_key_expired(const char *timestamp, os_time_t *expiry); 583 const char * dpp_akm_str(enum dpp_akm akm); 584 const char * dpp_akm_selector_str(enum dpp_akm akm); 585 int dpp_configurator_get_key(const struct dpp_configurator *conf, char *buf, 586 size_t buflen); 587 void dpp_configurator_free(struct dpp_configurator *conf); 588 int dpp_configurator_own_config(struct dpp_authentication *auth, 589 const char *curve, int ap); 590 enum dpp_status_error 591 dpp_peer_intro(struct dpp_introduction *intro, const char *own_connector, 592 const u8 *net_access_key, size_t net_access_key_len, 593 const u8 *csign_key, size_t csign_key_len, 594 const u8 *peer_connector, size_t peer_connector_len, 595 os_time_t *expiry); 596 struct dpp_pkex * dpp_pkex_init(void *msg_ctx, struct dpp_bootstrap_info *bi, 597 const u8 *own_mac, 598 const char *identifier, 599 const char *code); 600 struct dpp_pkex * dpp_pkex_rx_exchange_req(void *msg_ctx, 601 struct dpp_bootstrap_info *bi, 602 const u8 *own_mac, 603 const u8 *peer_mac, 604 const char *identifier, 605 const char *code, 606 const u8 *buf, size_t len); 607 struct wpabuf * dpp_pkex_rx_exchange_resp(struct dpp_pkex *pkex, 608 const u8 *peer_mac, 609 const u8 *buf, size_t len); 610 struct wpabuf * dpp_pkex_rx_commit_reveal_req(struct dpp_pkex *pkex, 611 const u8 *hdr, 612 const u8 *buf, size_t len); 613 int dpp_pkex_rx_commit_reveal_resp(struct dpp_pkex *pkex, const u8 *hdr, 614 const u8 *buf, size_t len); 615 void dpp_pkex_free(struct dpp_pkex *pkex); 616 617 char * dpp_corrupt_connector_signature(const char *connector); 618 619 620 struct dpp_pfs { 621 struct crypto_ecdh *ecdh; 622 const struct dpp_curve_params *curve; 623 struct wpabuf *ie; 624 struct wpabuf *secret; 625 }; 626 627 struct dpp_pfs * dpp_pfs_init(const u8 *net_access_key, 628 size_t net_access_key_len); 629 int dpp_pfs_process(struct dpp_pfs *pfs, const u8 *peer_ie, size_t peer_ie_len); 630 void dpp_pfs_free(struct dpp_pfs *pfs); 631 632 struct wpabuf * dpp_build_csr(struct dpp_authentication *auth, 633 const char *name); 634 int dpp_validate_csr(struct dpp_authentication *auth, const struct wpabuf *csr); 635 636 struct dpp_bootstrap_info * dpp_add_qr_code(struct dpp_global *dpp, 637 const char *uri); 638 struct dpp_bootstrap_info * dpp_add_nfc_uri(struct dpp_global *dpp, 639 const char *uri); 640 int dpp_bootstrap_gen(struct dpp_global *dpp, const char *cmd); 641 struct dpp_bootstrap_info * 642 dpp_bootstrap_get_id(struct dpp_global *dpp, unsigned int id); 643 int dpp_bootstrap_remove(struct dpp_global *dpp, const char *id); 644 struct dpp_bootstrap_info * 645 dpp_pkex_finish(struct dpp_global *dpp, struct dpp_pkex *pkex, const u8 *peer, 646 unsigned int freq); 647 const char * dpp_bootstrap_get_uri(struct dpp_global *dpp, unsigned int id); 648 int dpp_bootstrap_info(struct dpp_global *dpp, int id, 649 char *reply, int reply_size); 650 int dpp_bootstrap_set(struct dpp_global *dpp, int id, const char *params); 651 void dpp_bootstrap_find_pair(struct dpp_global *dpp, const u8 *i_bootstrap, 652 const u8 *r_bootstrap, 653 struct dpp_bootstrap_info **own_bi, 654 struct dpp_bootstrap_info **peer_bi); 655 struct dpp_bootstrap_info * dpp_bootstrap_find_chirp(struct dpp_global *dpp, 656 const u8 *hash); 657 int dpp_configurator_add(struct dpp_global *dpp, const char *cmd); 658 int dpp_configurator_remove(struct dpp_global *dpp, const char *id); 659 int dpp_configurator_get_key_id(struct dpp_global *dpp, unsigned int id, 660 char *buf, size_t buflen); 661 int dpp_configurator_from_backup(struct dpp_global *dpp, 662 struct dpp_asymmetric_key *key); 663 struct dpp_configurator * dpp_configurator_find_kid(struct dpp_global *dpp, 664 const u8 *kid); 665 int dpp_relay_add_controller(struct dpp_global *dpp, 666 struct dpp_relay_config *config); 667 int dpp_relay_rx_action(struct dpp_global *dpp, const u8 *src, const u8 *hdr, 668 const u8 *buf, size_t len, unsigned int freq, 669 const u8 *i_bootstrap, const u8 *r_bootstrap, 670 void *cb_ctx); 671 int dpp_relay_rx_gas_req(struct dpp_global *dpp, const u8 *src, const u8 *data, 672 size_t data_len); 673 int dpp_controller_start(struct dpp_global *dpp, 674 struct dpp_controller_config *config); 675 void dpp_controller_stop(struct dpp_global *dpp); 676 void dpp_controller_stop_for_ctx(struct dpp_global *dpp, void *cb_ctx); 677 struct dpp_authentication * dpp_controller_get_auth(struct dpp_global *dpp, 678 unsigned int id); 679 void dpp_controller_new_qr_code(struct dpp_global *dpp, 680 struct dpp_bootstrap_info *bi); 681 int dpp_tcp_init(struct dpp_global *dpp, struct dpp_authentication *auth, 682 const struct hostapd_ip_addr *addr, int port, 683 const char *name, enum dpp_netrole netrole, void *msg_ctx, 684 void *cb_ctx, 685 int (*process_conf_obj)(void *ctx, 686 struct dpp_authentication *auth)); 687 688 struct wpabuf * dpp_build_presence_announcement(struct dpp_bootstrap_info *bi); 689 void dpp_notify_chirp_received(void *msg_ctx, int id, const u8 *src, 690 unsigned int freq, const u8 *hash); 691 692 struct dpp_global_config { 693 void *cb_ctx; 694 void (*remove_bi)(void *ctx, struct dpp_bootstrap_info *bi); 695 }; 696 697 struct dpp_global * dpp_global_init(struct dpp_global_config *config); 698 void dpp_global_clear(struct dpp_global *dpp); 699 void dpp_global_deinit(struct dpp_global *dpp); 700 701 /* dpp_reconfig.c */ 702 703 struct wpabuf * dpp_build_reconfig_announcement(const u8 *csign_key, 704 size_t csign_key_len, 705 const u8 *net_access_key, 706 size_t net_access_key_len, 707 struct dpp_reconfig_id *id); 708 struct dpp_authentication * 709 dpp_reconfig_init(struct dpp_global *dpp, void *msg_ctx, 710 struct dpp_configurator *conf, unsigned int freq, u16 group, 711 const u8 *a_nonce_attr, size_t a_nonce_len, 712 const u8 *e_id_attr, size_t e_id_len); 713 struct dpp_authentication * 714 dpp_reconfig_auth_req_rx(struct dpp_global *dpp, void *msg_ctx, 715 const char *own_connector, 716 const u8 *net_access_key, size_t net_access_key_len, 717 const u8 *csign_key, size_t csign_key_len, 718 unsigned int freq, const u8 *hdr, 719 const u8 *attr_start, size_t attr_len); 720 struct wpabuf * 721 dpp_reconfig_auth_resp_rx(struct dpp_authentication *auth, const u8 *hdr, 722 const u8 *attr_start, size_t attr_len); 723 int dpp_reconfig_auth_conf_rx(struct dpp_authentication *auth, const u8 *hdr, 724 const u8 *attr_start, size_t attr_len); 725 726 struct dpp_reconfig_id * dpp_gen_reconfig_id(const u8 *csign_key, 727 size_t csign_key_len, 728 const u8 *pp_key, 729 size_t pp_key_len); 730 int dpp_update_reconfig_id(struct dpp_reconfig_id *id); 731 void dpp_free_reconfig_id(struct dpp_reconfig_id *id); 732 733 #endif /* CONFIG_DPP */ 734 #endif /* DPP_H */ 735