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 * Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. 6 * 7 * This software may be distributed under the terms of the BSD license. 8 * See README for more details. 9 */ 10 11 #ifndef DPP_H 12 #define DPP_H 13 14 #ifdef CONFIG_DPP 15 #include "utils/list.h" 16 #include "common/wpa_common.h" 17 #include "crypto/sha256.h" 18 #include "crypto/crypto.h" 19 20 struct hostapd_ip_addr; 21 struct dpp_global; 22 struct json_token; 23 struct dpp_reconfig_id; 24 25 #ifdef CONFIG_TESTING_OPTIONS 26 #define DPP_VERSION (dpp_version_override) 27 extern int dpp_version_override; 28 #else /* CONFIG_TESTING_OPTIONS */ 29 #ifdef CONFIG_DPP3 30 #define DPP_VERSION 3 31 #elif defined(CONFIG_DPP2) 32 #define DPP_VERSION 2 33 #else 34 #define DPP_VERSION 1 35 #endif 36 #endif /* CONFIG_TESTING_OPTIONS */ 37 38 #define DPP_HDR_LEN (4 + 2) /* OUI, OUI Type, Crypto Suite, DPP frame type */ 39 #define DPP_TCP_PORT 8908 40 41 enum dpp_public_action_frame_type { 42 DPP_PA_AUTHENTICATION_REQ = 0, 43 DPP_PA_AUTHENTICATION_RESP = 1, 44 DPP_PA_AUTHENTICATION_CONF = 2, 45 DPP_PA_PEER_DISCOVERY_REQ = 5, 46 DPP_PA_PEER_DISCOVERY_RESP = 6, 47 DPP_PA_PKEX_V1_EXCHANGE_REQ = 7, 48 DPP_PA_PKEX_EXCHANGE_RESP = 8, 49 DPP_PA_PKEX_COMMIT_REVEAL_REQ = 9, 50 DPP_PA_PKEX_COMMIT_REVEAL_RESP = 10, 51 DPP_PA_CONFIGURATION_RESULT = 11, 52 DPP_PA_CONNECTION_STATUS_RESULT = 12, 53 DPP_PA_PRESENCE_ANNOUNCEMENT = 13, 54 DPP_PA_RECONFIG_ANNOUNCEMENT = 14, 55 DPP_PA_RECONFIG_AUTH_REQ = 15, 56 DPP_PA_RECONFIG_AUTH_RESP = 16, 57 DPP_PA_RECONFIG_AUTH_CONF = 17, 58 DPP_PA_PKEX_EXCHANGE_REQ = 18, 59 }; 60 61 enum dpp_attribute_id { 62 DPP_ATTR_STATUS = 0x1000, 63 DPP_ATTR_I_BOOTSTRAP_KEY_HASH = 0x1001, 64 DPP_ATTR_R_BOOTSTRAP_KEY_HASH = 0x1002, 65 DPP_ATTR_I_PROTOCOL_KEY = 0x1003, 66 DPP_ATTR_WRAPPED_DATA = 0x1004, 67 DPP_ATTR_I_NONCE = 0x1005, 68 DPP_ATTR_I_CAPABILITIES = 0x1006, 69 DPP_ATTR_R_NONCE = 0x1007, 70 DPP_ATTR_R_CAPABILITIES = 0x1008, 71 DPP_ATTR_R_PROTOCOL_KEY = 0x1009, 72 DPP_ATTR_I_AUTH_TAG = 0x100A, 73 DPP_ATTR_R_AUTH_TAG = 0x100B, 74 DPP_ATTR_CONFIG_OBJ = 0x100C, 75 DPP_ATTR_CONNECTOR = 0x100D, 76 DPP_ATTR_CONFIG_ATTR_OBJ = 0x100E, 77 DPP_ATTR_BOOTSTRAP_KEY = 0x100F, 78 DPP_ATTR_OWN_NET_NK_HASH = 0x1011, 79 DPP_ATTR_FINITE_CYCLIC_GROUP = 0x1012, 80 DPP_ATTR_ENCRYPTED_KEY = 0x1013, 81 DPP_ATTR_ENROLLEE_NONCE = 0x1014, 82 DPP_ATTR_CODE_IDENTIFIER = 0x1015, 83 DPP_ATTR_TRANSACTION_ID = 0x1016, 84 DPP_ATTR_BOOTSTRAP_INFO = 0x1017, 85 DPP_ATTR_CHANNEL = 0x1018, 86 DPP_ATTR_PROTOCOL_VERSION = 0x1019, 87 DPP_ATTR_ENVELOPED_DATA = 0x101A, 88 DPP_ATTR_SEND_CONN_STATUS = 0x101B, 89 DPP_ATTR_CONN_STATUS = 0x101C, 90 DPP_ATTR_RECONFIG_FLAGS = 0x101D, 91 DPP_ATTR_C_SIGN_KEY_HASH = 0x101E, 92 DPP_ATTR_CSR_ATTR_REQ = 0x101F, 93 DPP_ATTR_A_NONCE = 0x1020, 94 DPP_ATTR_E_PRIME_ID = 0x1021, 95 DPP_ATTR_CONFIGURATOR_NONCE = 0x1022, 96 }; 97 98 enum dpp_status_error { 99 DPP_STATUS_OK = 0, 100 DPP_STATUS_NOT_COMPATIBLE = 1, 101 DPP_STATUS_AUTH_FAILURE = 2, 102 DPP_STATUS_UNWRAP_FAILURE = 3, 103 DPP_STATUS_BAD_GROUP = 4, 104 DPP_STATUS_CONFIGURE_FAILURE = 5, 105 DPP_STATUS_RESPONSE_PENDING = 6, 106 DPP_STATUS_INVALID_CONNECTOR = 7, 107 DPP_STATUS_NO_MATCH = 8, 108 DPP_STATUS_CONFIG_REJECTED = 9, 109 DPP_STATUS_NO_AP = 10, 110 DPP_STATUS_CONFIGURE_PENDING = 11, 111 DPP_STATUS_CSR_NEEDED = 12, 112 DPP_STATUS_CSR_BAD = 13, 113 DPP_STATUS_NEW_KEY_NEEDED = 14, 114 }; 115 116 /* DPP Reconfig Flags object - connectorKey values */ 117 enum dpp_connector_key { 118 DPP_CONFIG_REUSEKEY = 0, 119 DPP_CONFIG_REPLACEKEY = 1, 120 }; 121 122 #define DPP_CAPAB_ENROLLEE BIT(0) 123 #define DPP_CAPAB_CONFIGURATOR BIT(1) 124 #define DPP_CAPAB_ROLE_MASK (BIT(0) | BIT(1)) 125 126 #define DPP_BOOTSTRAP_MAX_FREQ 30 127 #define DPP_MAX_NONCE_LEN 32 128 #define DPP_MAX_HASH_LEN 64 129 #define DPP_MAX_SHARED_SECRET_LEN 66 130 #define DPP_CP_LEN 64 131 132 struct dpp_curve_params { 133 const char *name; 134 size_t hash_len; 135 size_t aes_siv_key_len; 136 size_t nonce_len; 137 size_t prime_len; 138 const char *jwk_crv; 139 u16 ike_group; 140 const char *jws_alg; 141 }; 142 143 enum dpp_bootstrap_type { 144 DPP_BOOTSTRAP_QR_CODE, 145 DPP_BOOTSTRAP_PKEX, 146 DPP_BOOTSTRAP_NFC_URI, 147 }; 148 149 enum dpp_bootstrap_supported_curves { 150 DPP_BOOTSTRAP_CURVE_P_256 = 0, 151 DPP_BOOTSTRAP_CURVE_P_384 = 1, 152 DPP_BOOTSTRAP_CURVE_P_521 = 2, 153 DPP_BOOTSTRAP_CURVE_BP_256 = 3, 154 DPP_BOOTSTRAP_CURVE_BP_384 = 4, 155 DPP_BOOTSTRAP_CURVE_BP_512 = 5, 156 }; 157 158 struct dpp_bootstrap_info { 159 struct dl_list list; 160 unsigned int id; 161 enum dpp_bootstrap_type type; 162 char *uri; 163 u8 mac_addr[ETH_ALEN]; 164 char *chan; 165 char *info; 166 char *pk; 167 unsigned int freq[DPP_BOOTSTRAP_MAX_FREQ]; 168 unsigned int num_freq; 169 bool channels_listed; 170 u8 version; 171 u8 supported_curves; /* enum dpp_bootstrap_supported_curves bitmap */ 172 int own; 173 struct crypto_ec_key *pubkey; 174 u8 pubkey_hash[SHA256_MAC_LEN]; 175 u8 pubkey_hash_chirp[SHA256_MAC_LEN]; 176 const struct dpp_curve_params *curve; 177 unsigned int pkex_t; /* number of failures before dpp_pkex 178 * instantiation */ 179 int nfc_negotiated; /* whether this has been used in NFC negotiated 180 * connection handover */ 181 char *configurator_params; 182 }; 183 184 #define PKEX_COUNTER_T_LIMIT 5 185 186 enum dpp_pkex_ver { 187 PKEX_VER_AUTO, 188 PKEX_VER_ONLY_1, 189 PKEX_VER_ONLY_2, 190 }; 191 192 struct dpp_pkex { 193 void *msg_ctx; 194 unsigned int initiator:1; 195 unsigned int exchange_done:1; 196 unsigned int failed:1; 197 unsigned int v2:1; 198 unsigned int forced_ver:1; 199 struct dpp_bootstrap_info *own_bi; 200 u8 own_mac[ETH_ALEN]; 201 u8 peer_mac[ETH_ALEN]; 202 char *identifier; 203 char *code; 204 struct crypto_ec_key *x; 205 struct crypto_ec_key *y; 206 u8 Mx[DPP_MAX_SHARED_SECRET_LEN]; 207 u8 Nx[DPP_MAX_SHARED_SECRET_LEN]; 208 u8 z[DPP_MAX_HASH_LEN]; 209 struct crypto_ec_key *peer_bootstrap_key; 210 struct wpabuf *exchange_req; 211 struct wpabuf *exchange_resp; 212 unsigned int t; /* number of failures on code use */ 213 unsigned int exch_req_wait_time; 214 unsigned int exch_req_tries; 215 unsigned int freq; 216 u8 peer_version; 217 }; 218 219 enum dpp_akm { 220 DPP_AKM_UNKNOWN, 221 DPP_AKM_DPP, 222 DPP_AKM_PSK, 223 DPP_AKM_SAE, 224 DPP_AKM_PSK_SAE, 225 DPP_AKM_SAE_DPP, 226 DPP_AKM_PSK_SAE_DPP, 227 DPP_AKM_DOT1X, 228 }; 229 230 enum dpp_netrole { 231 DPP_NETROLE_STA, 232 DPP_NETROLE_AP, 233 DPP_NETROLE_CONFIGURATOR, 234 }; 235 236 struct dpp_configuration { 237 u8 ssid[32]; 238 size_t ssid_len; 239 int ssid_charset; 240 enum dpp_akm akm; 241 enum dpp_netrole netrole; 242 243 /* For DPP configuration (connector) */ 244 os_time_t netaccesskey_expiry; 245 246 /* TODO: groups */ 247 char *group_id; 248 249 /* For legacy configuration */ 250 char *passphrase; 251 u8 psk[32]; 252 int psk_set; 253 254 char *csrattrs; 255 }; 256 257 struct dpp_asymmetric_key { 258 struct dpp_asymmetric_key *next; 259 struct crypto_ec_key *csign; 260 struct crypto_ec_key *pp_key; 261 char *config_template; 262 char *connector_template; 263 }; 264 265 #define DPP_MAX_CONF_OBJ 10 266 #define DPP_MAX_CHANNELS 32 267 268 struct dpp_authentication { 269 struct dpp_global *global; 270 void *msg_ctx; 271 u8 peer_version; 272 const struct dpp_curve_params *curve; 273 const struct dpp_curve_params *new_curve; 274 struct dpp_bootstrap_info *peer_bi; 275 struct dpp_bootstrap_info *own_bi; 276 struct dpp_bootstrap_info *tmp_own_bi; 277 struct dpp_bootstrap_info *tmp_peer_bi; 278 u8 waiting_pubkey_hash[SHA256_MAC_LEN]; 279 int response_pending; 280 int reconfig; 281 enum dpp_connector_key reconfig_connector_key; 282 enum dpp_status_error auth_resp_status; 283 enum dpp_status_error conf_resp_status; 284 enum dpp_status_error force_conf_resp_status; 285 u8 peer_mac_addr[ETH_ALEN]; 286 u8 i_nonce[DPP_MAX_NONCE_LEN]; 287 u8 r_nonce[DPP_MAX_NONCE_LEN]; 288 u8 e_nonce[DPP_MAX_NONCE_LEN]; 289 u8 c_nonce[DPP_MAX_NONCE_LEN]; 290 u8 i_capab; 291 u8 r_capab; 292 enum dpp_netrole e_netrole; 293 struct crypto_ec_key *own_protocol_key; 294 struct crypto_ec_key *peer_protocol_key; 295 struct crypto_ec_key *reconfig_old_protocol_key; 296 struct wpabuf *req_msg; 297 struct wpabuf *resp_msg; 298 struct wpabuf *reconfig_req_msg; 299 struct wpabuf *reconfig_resp_msg; 300 /* Intersection of possible frequencies for initiating DPP 301 * Authentication exchange */ 302 unsigned int freq[DPP_BOOTSTRAP_MAX_FREQ]; 303 unsigned int num_freq, freq_idx; 304 unsigned int curr_freq; 305 unsigned int neg_freq; 306 unsigned int num_freq_iters; 307 size_t secret_len; 308 u8 Mx[DPP_MAX_SHARED_SECRET_LEN]; 309 size_t Mx_len; 310 u8 Nx[DPP_MAX_SHARED_SECRET_LEN]; 311 size_t Nx_len; 312 u8 Lx[DPP_MAX_SHARED_SECRET_LEN]; 313 size_t Lx_len; 314 u8 k1[DPP_MAX_HASH_LEN]; 315 u8 k2[DPP_MAX_HASH_LEN]; 316 u8 ke[DPP_MAX_HASH_LEN]; 317 u8 bk[DPP_MAX_HASH_LEN]; 318 int initiator; 319 int waiting_auth_resp; 320 int waiting_auth_conf; 321 int auth_req_ack; 322 unsigned int auth_resp_tries; 323 u8 allowed_roles; 324 int configurator; 325 int remove_on_tx_status; 326 int connect_on_tx_status; 327 int waiting_conf_result; 328 int waiting_conn_status_result; 329 int auth_success; 330 bool reconfig_success; 331 struct wpabuf *conf_req; 332 const struct wpabuf *conf_resp; /* owned by GAS server */ 333 struct wpabuf *conf_resp_tcp; 334 struct dpp_configuration *conf_ap; 335 struct dpp_configuration *conf2_ap; 336 struct dpp_configuration *conf_sta; 337 struct dpp_configuration *conf2_sta; 338 int provision_configurator; 339 struct dpp_configurator *conf; 340 struct dpp_config_obj { 341 char *connector; /* received signedConnector */ 342 u8 ssid[SSID_MAX_LEN]; 343 u8 ssid_len; 344 int ssid_charset; 345 char passphrase[64]; 346 u8 psk[PMK_LEN]; 347 int psk_set; 348 enum dpp_akm akm; 349 struct wpabuf *c_sign_key; 350 struct wpabuf *certbag; 351 struct wpabuf *certs; 352 struct wpabuf *cacert; 353 char *server_name; 354 struct wpabuf *pp_key; 355 } conf_obj[DPP_MAX_CONF_OBJ]; 356 unsigned int num_conf_obj; 357 struct dpp_asymmetric_key *conf_key_pkg; 358 struct wpabuf *net_access_key; 359 os_time_t net_access_key_expiry; 360 int send_conn_status; 361 int conn_status_requested; 362 int akm_use_selector; 363 int configurator_set; 364 u8 transaction_id; 365 u8 *csrattrs; 366 size_t csrattrs_len; 367 bool waiting_csr; 368 struct wpabuf *csr; 369 struct wpabuf *priv_key; /* DER-encoded private key used for csr */ 370 bool waiting_cert; 371 char *trusted_eap_server_name; 372 struct wpabuf *cacert; 373 struct wpabuf *certbag; 374 bool waiting_new_key; 375 bool new_key_received; 376 void *config_resp_ctx; 377 void *gas_server_ctx; 378 bool use_config_query; 379 bool waiting_config; 380 char *e_name; 381 char *e_mud_url; 382 int *e_band_support; 383 #ifdef CONFIG_TESTING_OPTIONS 384 char *config_obj_override; 385 char *discovery_override; 386 char *groups_override; 387 unsigned int ignore_netaccesskey_mismatch:1; 388 #endif /* CONFIG_TESTING_OPTIONS */ 389 unsigned short band_list[DPP_MAX_CHANNELS]; 390 int band_list_size; 391 }; 392 393 struct dpp_configurator { 394 struct dl_list list; 395 unsigned int id; 396 int own; 397 struct crypto_ec_key *csign; 398 u8 kid_hash[SHA256_MAC_LEN]; 399 char *kid; 400 const struct dpp_curve_params *curve; 401 const struct dpp_curve_params *net_access_key_curve; 402 char *connector; /* own Connector for reconfiguration */ 403 struct crypto_ec_key *connector_key; 404 struct crypto_ec_key *pp_key; 405 }; 406 407 struct dpp_introduction { 408 u8 pmkid[PMKID_LEN]; 409 u8 pmk[PMK_LEN_MAX]; 410 size_t pmk_len; 411 int peer_version; 412 }; 413 414 struct dpp_relay_config { 415 const struct hostapd_ip_addr *ipaddr; 416 const u8 *pkhash; 417 418 void *msg_ctx; 419 void *cb_ctx; 420 void (*tx)(void *ctx, const u8 *addr, unsigned int freq, const u8 *msg, 421 size_t len); 422 void (*gas_resp_tx)(void *ctx, const u8 *addr, u8 dialog_token, int prot, 423 struct wpabuf *buf); 424 }; 425 426 struct dpp_controller_config { 427 const char *configurator_params; 428 int tcp_port; 429 u8 allowed_roles; 430 int qr_mutual; 431 enum dpp_netrole netrole; 432 void *msg_ctx; 433 void *cb_ctx; 434 int (*process_conf_obj)(void *ctx, struct dpp_authentication *auth); 435 bool (*tcp_msg_sent)(void *ctx, struct dpp_authentication *auth); 436 }; 437 438 #ifdef CONFIG_TESTING_OPTIONS 439 enum dpp_test_behavior { 440 DPP_TEST_DISABLED = 0, 441 DPP_TEST_AFTER_WRAPPED_DATA_AUTH_REQ = 1, 442 DPP_TEST_AFTER_WRAPPED_DATA_AUTH_RESP = 2, 443 DPP_TEST_AFTER_WRAPPED_DATA_AUTH_CONF = 3, 444 DPP_TEST_AFTER_WRAPPED_DATA_PKEX_CR_REQ = 4, 445 DPP_TEST_AFTER_WRAPPED_DATA_PKEX_CR_RESP = 5, 446 DPP_TEST_AFTER_WRAPPED_DATA_CONF_REQ = 6, 447 DPP_TEST_AFTER_WRAPPED_DATA_CONF_RESP = 7, 448 DPP_TEST_ZERO_I_CAPAB = 8, 449 DPP_TEST_ZERO_R_CAPAB = 9, 450 DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_REQ = 10, 451 DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_REQ = 11, 452 DPP_TEST_NO_I_PROTO_KEY_AUTH_REQ = 12, 453 DPP_TEST_NO_I_NONCE_AUTH_REQ = 13, 454 DPP_TEST_NO_I_CAPAB_AUTH_REQ = 14, 455 DPP_TEST_NO_WRAPPED_DATA_AUTH_REQ = 15, 456 DPP_TEST_NO_STATUS_AUTH_RESP = 16, 457 DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_RESP = 17, 458 DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_RESP = 18, 459 DPP_TEST_NO_R_PROTO_KEY_AUTH_RESP = 19, 460 DPP_TEST_NO_R_NONCE_AUTH_RESP = 20, 461 DPP_TEST_NO_I_NONCE_AUTH_RESP = 21, 462 DPP_TEST_NO_R_CAPAB_AUTH_RESP = 22, 463 DPP_TEST_NO_R_AUTH_AUTH_RESP = 23, 464 DPP_TEST_NO_WRAPPED_DATA_AUTH_RESP = 24, 465 DPP_TEST_NO_STATUS_AUTH_CONF = 25, 466 DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 26, 467 DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 27, 468 DPP_TEST_NO_I_AUTH_AUTH_CONF = 28, 469 DPP_TEST_NO_WRAPPED_DATA_AUTH_CONF = 29, 470 DPP_TEST_I_NONCE_MISMATCH_AUTH_RESP = 30, 471 DPP_TEST_INCOMPATIBLE_R_CAPAB_AUTH_RESP = 31, 472 DPP_TEST_R_AUTH_MISMATCH_AUTH_RESP = 32, 473 DPP_TEST_I_AUTH_MISMATCH_AUTH_CONF = 33, 474 DPP_TEST_NO_FINITE_CYCLIC_GROUP_PKEX_EXCHANGE_REQ = 34, 475 DPP_TEST_NO_ENCRYPTED_KEY_PKEX_EXCHANGE_REQ = 35, 476 DPP_TEST_NO_STATUS_PKEX_EXCHANGE_RESP = 36, 477 DPP_TEST_NO_ENCRYPTED_KEY_PKEX_EXCHANGE_RESP = 37, 478 DPP_TEST_NO_BOOTSTRAP_KEY_PKEX_CR_REQ = 38, 479 DPP_TEST_NO_I_AUTH_TAG_PKEX_CR_REQ = 39, 480 DPP_TEST_NO_WRAPPED_DATA_PKEX_CR_REQ = 40, 481 DPP_TEST_NO_BOOTSTRAP_KEY_PKEX_CR_RESP = 41, 482 DPP_TEST_NO_R_AUTH_TAG_PKEX_CR_RESP = 42, 483 DPP_TEST_NO_WRAPPED_DATA_PKEX_CR_RESP = 43, 484 DPP_TEST_INVALID_ENCRYPTED_KEY_PKEX_EXCHANGE_REQ = 44, 485 DPP_TEST_INVALID_ENCRYPTED_KEY_PKEX_EXCHANGE_RESP = 45, 486 DPP_TEST_INVALID_STATUS_PKEX_EXCHANGE_RESP = 46, 487 DPP_TEST_INVALID_BOOTSTRAP_KEY_PKEX_CR_REQ = 47, 488 DPP_TEST_INVALID_BOOTSTRAP_KEY_PKEX_CR_RESP = 48, 489 DPP_TEST_I_AUTH_TAG_MISMATCH_PKEX_CR_REQ = 49, 490 DPP_TEST_R_AUTH_TAG_MISMATCH_PKEX_CR_RESP = 50, 491 DPP_TEST_NO_E_NONCE_CONF_REQ = 51, 492 DPP_TEST_NO_CONFIG_ATTR_OBJ_CONF_REQ = 52, 493 DPP_TEST_NO_WRAPPED_DATA_CONF_REQ = 53, 494 DPP_TEST_NO_E_NONCE_CONF_RESP = 54, 495 DPP_TEST_NO_CONFIG_OBJ_CONF_RESP = 55, 496 DPP_TEST_NO_STATUS_CONF_RESP = 56, 497 DPP_TEST_NO_WRAPPED_DATA_CONF_RESP = 57, 498 DPP_TEST_INVALID_STATUS_CONF_RESP = 58, 499 DPP_TEST_E_NONCE_MISMATCH_CONF_RESP = 59, 500 DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ = 60, 501 DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ = 61, 502 DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_RESP = 62, 503 DPP_TEST_NO_STATUS_PEER_DISC_RESP = 63, 504 DPP_TEST_NO_CONNECTOR_PEER_DISC_RESP = 64, 505 DPP_TEST_AUTH_RESP_IN_PLACE_OF_CONF = 65, 506 DPP_TEST_INVALID_I_PROTO_KEY_AUTH_REQ = 66, 507 DPP_TEST_INVALID_R_PROTO_KEY_AUTH_RESP = 67, 508 DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_REQ = 68, 509 DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_REQ = 69, 510 DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_RESP = 70, 511 DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_RESP = 71, 512 DPP_TEST_INVALID_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 72, 513 DPP_TEST_INVALID_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 73, 514 DPP_TEST_INVALID_STATUS_AUTH_RESP = 74, 515 DPP_TEST_INVALID_STATUS_AUTH_CONF = 75, 516 DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ = 76, 517 DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_RESP = 77, 518 DPP_TEST_INVALID_STATUS_PEER_DISC_RESP = 78, 519 DPP_TEST_INVALID_CONNECTOR_PEER_DISC_RESP = 79, 520 DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ = 80, 521 DPP_TEST_INVALID_I_NONCE_AUTH_REQ = 81, 522 DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ = 82, 523 DPP_TEST_INVALID_E_NONCE_CONF_REQ = 83, 524 DPP_TEST_STOP_AT_PKEX_EXCHANGE_RESP = 84, 525 DPP_TEST_STOP_AT_PKEX_CR_REQ = 85, 526 DPP_TEST_STOP_AT_PKEX_CR_RESP = 86, 527 DPP_TEST_STOP_AT_AUTH_REQ = 87, 528 DPP_TEST_STOP_AT_AUTH_RESP = 88, 529 DPP_TEST_STOP_AT_AUTH_CONF = 89, 530 DPP_TEST_STOP_AT_CONF_REQ = 90, 531 DPP_TEST_REJECT_CONFIG = 91, 532 DPP_TEST_NO_PROTOCOL_VERSION_PEER_DISC_REQ = 92, 533 DPP_TEST_NO_PROTOCOL_VERSION_PEER_DISC_RESP = 93, 534 DPP_TEST_INVALID_PROTOCOL_VERSION_PEER_DISC_REQ = 94, 535 DPP_TEST_INVALID_PROTOCOL_VERSION_PEER_DISC_RESP = 95, 536 DPP_TEST_INVALID_PROTOCOL_VERSION_RECONFIG_AUTH_REQ = 96, 537 DPP_TEST_NO_PROTOCOL_VERSION_RECONFIG_AUTH_REQ = 97, 538 }; 539 540 extern enum dpp_test_behavior dpp_test; 541 extern u8 dpp_pkex_own_mac_override[ETH_ALEN]; 542 extern u8 dpp_pkex_peer_mac_override[ETH_ALEN]; 543 extern u8 dpp_pkex_ephemeral_key_override[600]; 544 extern size_t dpp_pkex_ephemeral_key_override_len; 545 extern u8 dpp_protocol_key_override[600]; 546 extern size_t dpp_protocol_key_override_len; 547 extern u8 dpp_nonce_override[DPP_MAX_NONCE_LEN]; 548 extern size_t dpp_nonce_override_len; 549 #endif /* CONFIG_TESTING_OPTIONS */ 550 551 void dpp_bootstrap_info_free(struct dpp_bootstrap_info *info); 552 const char * dpp_bootstrap_type_txt(enum dpp_bootstrap_type type); 553 int dpp_parse_uri_chan_list(struct dpp_bootstrap_info *bi, 554 const char *chan_list); 555 int dpp_parse_uri_mac(struct dpp_bootstrap_info *bi, const char *mac); 556 int dpp_parse_uri_info(struct dpp_bootstrap_info *bi, const char *info); 557 int dpp_nfc_update_bi(struct dpp_bootstrap_info *own_bi, 558 struct dpp_bootstrap_info *peer_bi); 559 const char * dpp_netrole_str(enum dpp_netrole netrole); 560 struct dpp_authentication * 561 dpp_alloc_auth(struct dpp_global *dpp, void *msg_ctx); 562 struct hostapd_hw_modes; 563 struct dpp_authentication * dpp_auth_init(struct dpp_global *dpp, void *msg_ctx, 564 struct dpp_bootstrap_info *peer_bi, 565 struct dpp_bootstrap_info *own_bi, 566 u8 dpp_allowed_roles, 567 unsigned int neg_freq, 568 struct hostapd_hw_modes *own_modes, 569 u16 num_modes); 570 struct dpp_authentication * 571 dpp_auth_req_rx(struct dpp_global *dpp, void *msg_ctx, u8 dpp_allowed_roles, 572 int qr_mutual, struct dpp_bootstrap_info *peer_bi, 573 struct dpp_bootstrap_info *own_bi, 574 unsigned int freq, const u8 *hdr, const u8 *attr_start, 575 size_t attr_len); 576 struct wpabuf * 577 dpp_auth_resp_rx(struct dpp_authentication *auth, const u8 *hdr, 578 const u8 *attr_start, size_t attr_len); 579 struct wpabuf * dpp_build_conf_req(struct dpp_authentication *auth, 580 const char *json); 581 struct wpabuf * dpp_build_conf_req_helper(struct dpp_authentication *auth, 582 const char *name, 583 enum dpp_netrole netrole, 584 const char *mud_url, int *opclasses); 585 int dpp_auth_conf_rx(struct dpp_authentication *auth, const u8 *hdr, 586 const u8 *attr_start, size_t attr_len); 587 int dpp_notify_new_qr_code(struct dpp_authentication *auth, 588 struct dpp_bootstrap_info *peer_bi); 589 void dpp_controller_pkex_add(struct dpp_global *dpp, 590 struct dpp_bootstrap_info *bi, 591 const char *code, const char *identifier); 592 struct dpp_configuration * dpp_configuration_alloc(const char *type); 593 int dpp_akm_psk(enum dpp_akm akm); 594 int dpp_akm_sae(enum dpp_akm akm); 595 int dpp_akm_legacy(enum dpp_akm akm); 596 int dpp_akm_dpp(enum dpp_akm akm); 597 int dpp_akm_ver2(enum dpp_akm akm); 598 int dpp_configuration_valid(const struct dpp_configuration *conf); 599 void dpp_configuration_free(struct dpp_configuration *conf); 600 int dpp_set_configurator(struct dpp_authentication *auth, const char *cmd); 601 void dpp_auth_deinit(struct dpp_authentication *auth); 602 struct wpabuf * 603 dpp_build_conf_resp(struct dpp_authentication *auth, const u8 *e_nonce, 604 u16 e_nonce_len, enum dpp_netrole netrole, 605 bool cert_req); 606 struct wpabuf * 607 dpp_conf_req_rx(struct dpp_authentication *auth, const u8 *attr_start, 608 size_t attr_len); 609 int dpp_conf_resp_rx(struct dpp_authentication *auth, 610 const struct wpabuf *resp); 611 enum dpp_status_error dpp_conf_result_rx(struct dpp_authentication *auth, 612 const u8 *hdr, 613 const u8 *attr_start, size_t attr_len); 614 struct wpabuf * dpp_build_conf_result(struct dpp_authentication *auth, 615 enum dpp_status_error status); 616 enum dpp_status_error dpp_conn_status_result_rx(struct dpp_authentication *auth, 617 const u8 *hdr, 618 const u8 *attr_start, 619 size_t attr_len, 620 u8 *ssid, size_t *ssid_len, 621 char **channel_list); 622 struct wpabuf * dpp_build_conn_status_result(struct dpp_authentication *auth, 623 enum dpp_status_error result, 624 const u8 *ssid, size_t ssid_len, 625 const char *channel_list); 626 struct wpabuf * dpp_alloc_msg(enum dpp_public_action_frame_type type, 627 size_t len); 628 const u8 * dpp_get_attr(const u8 *buf, size_t len, u16 req_id, u16 *ret_len); 629 int dpp_check_attrs(const u8 *buf, size_t len); 630 int dpp_key_expired(const char *timestamp, os_time_t *expiry); 631 const char * dpp_akm_str(enum dpp_akm akm); 632 const char * dpp_akm_selector_str(enum dpp_akm akm); 633 int dpp_configurator_get_key(const struct dpp_configurator *conf, char *buf, 634 size_t buflen); 635 void dpp_configurator_free(struct dpp_configurator *conf); 636 int dpp_configurator_own_config(struct dpp_authentication *auth, 637 const char *curve, int ap); 638 enum dpp_status_error 639 dpp_peer_intro(struct dpp_introduction *intro, const char *own_connector, 640 const u8 *net_access_key, size_t net_access_key_len, 641 const u8 *csign_key, size_t csign_key_len, 642 const u8 *peer_connector, size_t peer_connector_len, 643 os_time_t *expiry); 644 int dpp_get_connector_version(const char *connector); 645 struct dpp_pkex * dpp_pkex_init(void *msg_ctx, struct dpp_bootstrap_info *bi, 646 const u8 *own_mac, 647 const char *identifier, const char *code, 648 bool v2); 649 struct dpp_pkex * dpp_pkex_rx_exchange_req(void *msg_ctx, 650 struct dpp_bootstrap_info *bi, 651 const u8 *own_mac, 652 const u8 *peer_mac, 653 const char *identifier, 654 const char *code, 655 const u8 *buf, size_t len, bool v2); 656 struct wpabuf * dpp_pkex_rx_exchange_resp(struct dpp_pkex *pkex, 657 const u8 *peer_mac, 658 const u8 *buf, size_t len); 659 struct wpabuf * dpp_pkex_rx_commit_reveal_req(struct dpp_pkex *pkex, 660 const u8 *hdr, 661 const u8 *buf, size_t len); 662 int dpp_pkex_rx_commit_reveal_resp(struct dpp_pkex *pkex, const u8 *hdr, 663 const u8 *buf, size_t len); 664 void dpp_pkex_free(struct dpp_pkex *pkex); 665 666 char * dpp_corrupt_connector_signature(const char *connector); 667 668 669 struct dpp_pfs { 670 struct crypto_ecdh *ecdh; 671 const struct dpp_curve_params *curve; 672 struct wpabuf *ie; 673 struct wpabuf *secret; 674 }; 675 676 struct dpp_pfs * dpp_pfs_init(const u8 *net_access_key, 677 size_t net_access_key_len); 678 int dpp_pfs_process(struct dpp_pfs *pfs, const u8 *peer_ie, size_t peer_ie_len); 679 void dpp_pfs_free(struct dpp_pfs *pfs); 680 681 struct wpabuf * dpp_build_csr(struct dpp_authentication *auth, 682 const char *name); 683 int dpp_validate_csr(struct dpp_authentication *auth, const struct wpabuf *csr); 684 685 struct dpp_bootstrap_info * dpp_add_qr_code(struct dpp_global *dpp, 686 const char *uri); 687 struct dpp_bootstrap_info * dpp_add_nfc_uri(struct dpp_global *dpp, 688 const char *uri); 689 int dpp_bootstrap_gen(struct dpp_global *dpp, const char *cmd); 690 struct dpp_bootstrap_info * 691 dpp_bootstrap_get_id(struct dpp_global *dpp, unsigned int id); 692 int dpp_bootstrap_remove(struct dpp_global *dpp, const char *id); 693 struct dpp_bootstrap_info * 694 dpp_pkex_finish(struct dpp_global *dpp, struct dpp_pkex *pkex, const u8 *peer, 695 unsigned int freq); 696 const char * dpp_bootstrap_get_uri(struct dpp_global *dpp, unsigned int id); 697 int dpp_bootstrap_info(struct dpp_global *dpp, int id, 698 char *reply, int reply_size); 699 int dpp_bootstrap_set(struct dpp_global *dpp, int id, const char *params); 700 void dpp_bootstrap_find_pair(struct dpp_global *dpp, const u8 *i_bootstrap, 701 const u8 *r_bootstrap, 702 struct dpp_bootstrap_info **own_bi, 703 struct dpp_bootstrap_info **peer_bi); 704 struct dpp_bootstrap_info * dpp_bootstrap_find_chirp(struct dpp_global *dpp, 705 const u8 *hash); 706 int dpp_configurator_add(struct dpp_global *dpp, const char *cmd); 707 int dpp_configurator_set(struct dpp_global *dpp, const char *cmd); 708 int dpp_configurator_remove(struct dpp_global *dpp, const char *id); 709 int dpp_configurator_get_key_id(struct dpp_global *dpp, unsigned int id, 710 char *buf, size_t buflen); 711 int dpp_configurator_from_backup(struct dpp_global *dpp, 712 struct dpp_asymmetric_key *key); 713 struct dpp_configurator * dpp_configurator_find_kid(struct dpp_global *dpp, 714 const u8 *kid); 715 int dpp_relay_add_controller(struct dpp_global *dpp, 716 struct dpp_relay_config *config); 717 int dpp_relay_rx_action(struct dpp_global *dpp, const u8 *src, const u8 *hdr, 718 const u8 *buf, size_t len, unsigned int freq, 719 const u8 *i_bootstrap, const u8 *r_bootstrap, 720 void *cb_ctx); 721 int dpp_relay_rx_gas_req(struct dpp_global *dpp, const u8 *src, const u8 *data, 722 size_t data_len); 723 int dpp_controller_start(struct dpp_global *dpp, 724 struct dpp_controller_config *config); 725 int dpp_controller_set_params(struct dpp_global *dpp, 726 const char *configurator_params); 727 void dpp_controller_stop(struct dpp_global *dpp); 728 void dpp_controller_stop_for_ctx(struct dpp_global *dpp, void *cb_ctx); 729 struct dpp_authentication * dpp_controller_get_auth(struct dpp_global *dpp, 730 unsigned int id); 731 void dpp_controller_new_qr_code(struct dpp_global *dpp, 732 struct dpp_bootstrap_info *bi); 733 int dpp_tcp_pkex_init(struct dpp_global *dpp, struct dpp_pkex *pkex, 734 const struct hostapd_ip_addr *addr, int port, 735 void *msg_ctx, void *cb_ctx, 736 int (*pkex_done)(void *ctx, void *conn, 737 struct dpp_bootstrap_info *bi)); 738 int dpp_tcp_init(struct dpp_global *dpp, struct dpp_authentication *auth, 739 const struct hostapd_ip_addr *addr, int port, 740 const char *name, enum dpp_netrole netrole, void *msg_ctx, 741 void *cb_ctx, 742 int (*process_conf_obj)(void *ctx, 743 struct dpp_authentication *auth), 744 bool (*tcp_msg_sent)(void *ctx, 745 struct dpp_authentication *auth)); 746 int dpp_tcp_auth(struct dpp_global *dpp, void *_conn, 747 struct dpp_authentication *auth, const char *name, 748 enum dpp_netrole netrole, 749 int (*process_conf_obj)(void *ctx, 750 struct dpp_authentication *auth), 751 bool (*tcp_msg_sent)(void *ctx, 752 struct dpp_authentication *auth)); 753 bool dpp_tcp_conn_status_requested(struct dpp_global *dpp); 754 void dpp_tcp_send_conn_status(struct dpp_global *dpp, 755 enum dpp_status_error result, 756 const u8 *ssid, size_t ssid_len, 757 const char *channel_list); 758 759 struct wpabuf * dpp_build_presence_announcement(struct dpp_bootstrap_info *bi); 760 void dpp_notify_chirp_received(void *msg_ctx, int id, const u8 *src, 761 unsigned int freq, const u8 *hash); 762 763 struct dpp_global_config { 764 void *cb_ctx; 765 void (*remove_bi)(void *ctx, struct dpp_bootstrap_info *bi); 766 }; 767 768 struct dpp_global * dpp_global_init(struct dpp_global_config *config); 769 void dpp_global_clear(struct dpp_global *dpp); 770 void dpp_global_deinit(struct dpp_global *dpp); 771 772 /* dpp_reconfig.c */ 773 774 struct wpabuf * dpp_build_reconfig_announcement(const u8 *csign_key, 775 size_t csign_key_len, 776 const u8 *net_access_key, 777 size_t net_access_key_len, 778 struct dpp_reconfig_id *id); 779 struct dpp_authentication * 780 dpp_reconfig_init(struct dpp_global *dpp, void *msg_ctx, 781 struct dpp_configurator *conf, unsigned int freq, u16 group, 782 const u8 *a_nonce_attr, size_t a_nonce_len, 783 const u8 *e_id_attr, size_t e_id_len); 784 struct dpp_authentication * 785 dpp_reconfig_auth_req_rx(struct dpp_global *dpp, void *msg_ctx, 786 const char *own_connector, 787 const u8 *net_access_key, size_t net_access_key_len, 788 const u8 *csign_key, size_t csign_key_len, 789 unsigned int freq, const u8 *hdr, 790 const u8 *attr_start, size_t attr_len); 791 struct wpabuf * 792 dpp_reconfig_auth_resp_rx(struct dpp_authentication *auth, const u8 *hdr, 793 const u8 *attr_start, size_t attr_len); 794 int dpp_reconfig_auth_conf_rx(struct dpp_authentication *auth, const u8 *hdr, 795 const u8 *attr_start, size_t attr_len); 796 797 struct dpp_reconfig_id * dpp_gen_reconfig_id(const u8 *csign_key, 798 size_t csign_key_len, 799 const u8 *pp_key, 800 size_t pp_key_len); 801 int dpp_update_reconfig_id(struct dpp_reconfig_id *id); 802 void dpp_free_reconfig_id(struct dpp_reconfig_id *id); 803 804 #endif /* CONFIG_DPP */ 805 #endif /* DPP_H */ 806