1 /* 2 * wpa_supplicant - DPP 3 * Copyright (c) 2017, Qualcomm Atheros, Inc. 4 * Copyright (c) 2018-2019, 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 #include "utils/includes.h" 11 12 #include "utils/common.h" 13 #include "utils/eloop.h" 14 #include "common/dpp.h" 15 #include "common/gas.h" 16 #include "common/gas_server.h" 17 #include "rsn_supp/wpa.h" 18 #include "rsn_supp/pmksa_cache.h" 19 #include "wpa_supplicant_i.h" 20 #include "config.h" 21 #include "driver_i.h" 22 #include "offchannel.h" 23 #include "gas_query.h" 24 #include "bss.h" 25 #include "scan.h" 26 #include "notify.h" 27 #include "dpp_supplicant.h" 28 29 30 static int wpas_dpp_listen_start(struct wpa_supplicant *wpa_s, 31 unsigned int freq); 32 static void wpas_dpp_reply_wait_timeout(void *eloop_ctx, void *timeout_ctx); 33 static void wpas_dpp_auth_success(struct wpa_supplicant *wpa_s, int initiator); 34 static void wpas_dpp_tx_status(struct wpa_supplicant *wpa_s, 35 unsigned int freq, const u8 *dst, 36 const u8 *src, const u8 *bssid, 37 const u8 *data, size_t data_len, 38 enum offchannel_send_action_result result); 39 static void wpas_dpp_init_timeout(void *eloop_ctx, void *timeout_ctx); 40 static int wpas_dpp_auth_init_next(struct wpa_supplicant *wpa_s); 41 static void 42 wpas_dpp_tx_pkex_status(struct wpa_supplicant *wpa_s, 43 unsigned int freq, const u8 *dst, 44 const u8 *src, const u8 *bssid, 45 const u8 *data, size_t data_len, 46 enum offchannel_send_action_result result); 47 48 static const u8 broadcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 49 50 /* Use a hardcoded Transaction ID 1 in Peer Discovery frames since there is only 51 * a single transaction in progress at any point in time. */ 52 static const u8 TRANSACTION_ID = 1; 53 54 55 /** 56 * wpas_dpp_qr_code - Parse and add DPP bootstrapping info from a QR Code 57 * @wpa_s: Pointer to wpa_supplicant data 58 * @cmd: DPP URI read from a QR Code 59 * Returns: Identifier of the stored info or -1 on failure 60 */ 61 int wpas_dpp_qr_code(struct wpa_supplicant *wpa_s, const char *cmd) 62 { 63 struct dpp_bootstrap_info *bi; 64 struct dpp_authentication *auth = wpa_s->dpp_auth; 65 66 bi = dpp_add_qr_code(wpa_s->dpp, cmd); 67 if (!bi) 68 return -1; 69 70 if (auth && auth->response_pending && 71 dpp_notify_new_qr_code(auth, bi) == 1) { 72 wpa_printf(MSG_DEBUG, 73 "DPP: Sending out pending authentication response"); 74 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR 75 " freq=%u type=%d", 76 MAC2STR(auth->peer_mac_addr), auth->curr_freq, 77 DPP_PA_AUTHENTICATION_RESP); 78 offchannel_send_action(wpa_s, auth->curr_freq, 79 auth->peer_mac_addr, wpa_s->own_addr, 80 broadcast, 81 wpabuf_head(auth->resp_msg), 82 wpabuf_len(auth->resp_msg), 83 500, wpas_dpp_tx_status, 0); 84 } 85 86 return bi->id; 87 } 88 89 90 static void wpas_dpp_auth_resp_retry_timeout(void *eloop_ctx, void *timeout_ctx) 91 { 92 struct wpa_supplicant *wpa_s = eloop_ctx; 93 struct dpp_authentication *auth = wpa_s->dpp_auth; 94 95 if (!auth || !auth->resp_msg) 96 return; 97 98 wpa_printf(MSG_DEBUG, 99 "DPP: Retry Authentication Response after timeout"); 100 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR 101 " freq=%u type=%d", 102 MAC2STR(auth->peer_mac_addr), auth->curr_freq, 103 DPP_PA_AUTHENTICATION_RESP); 104 offchannel_send_action(wpa_s, auth->curr_freq, auth->peer_mac_addr, 105 wpa_s->own_addr, broadcast, 106 wpabuf_head(auth->resp_msg), 107 wpabuf_len(auth->resp_msg), 108 500, wpas_dpp_tx_status, 0); 109 } 110 111 112 static void wpas_dpp_auth_resp_retry(struct wpa_supplicant *wpa_s) 113 { 114 struct dpp_authentication *auth = wpa_s->dpp_auth; 115 unsigned int wait_time, max_tries; 116 117 if (!auth || !auth->resp_msg) 118 return; 119 120 if (wpa_s->dpp_resp_max_tries) 121 max_tries = wpa_s->dpp_resp_max_tries; 122 else 123 max_tries = 5; 124 auth->auth_resp_tries++; 125 if (auth->auth_resp_tries >= max_tries) { 126 wpa_printf(MSG_INFO, "DPP: No confirm received from initiator - stopping exchange"); 127 offchannel_send_action_done(wpa_s); 128 dpp_auth_deinit(wpa_s->dpp_auth); 129 wpa_s->dpp_auth = NULL; 130 return; 131 } 132 133 if (wpa_s->dpp_resp_retry_time) 134 wait_time = wpa_s->dpp_resp_retry_time; 135 else 136 wait_time = 1000; 137 wpa_printf(MSG_DEBUG, 138 "DPP: Schedule retransmission of Authentication Response frame in %u ms", 139 wait_time); 140 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); 141 eloop_register_timeout(wait_time / 1000, 142 (wait_time % 1000) * 1000, 143 wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); 144 } 145 146 147 static void wpas_dpp_try_to_connect(struct wpa_supplicant *wpa_s) 148 { 149 wpa_printf(MSG_DEBUG, "DPP: Trying to connect to the new network"); 150 wpa_s->disconnected = 0; 151 wpa_s->reassociate = 1; 152 wpa_s->scan_runs = 0; 153 wpa_s->normal_scans = 0; 154 wpa_supplicant_cancel_sched_scan(wpa_s); 155 wpa_supplicant_req_scan(wpa_s, 0, 0); 156 } 157 158 159 static void wpas_dpp_tx_status(struct wpa_supplicant *wpa_s, 160 unsigned int freq, const u8 *dst, 161 const u8 *src, const u8 *bssid, 162 const u8 *data, size_t data_len, 163 enum offchannel_send_action_result result) 164 { 165 const char *res_txt; 166 struct dpp_authentication *auth = wpa_s->dpp_auth; 167 168 res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : 169 (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : 170 "FAILED"); 171 wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR 172 " result=%s", freq, MAC2STR(dst), res_txt); 173 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR 174 " freq=%u result=%s", MAC2STR(dst), freq, res_txt); 175 176 if (!wpa_s->dpp_auth) { 177 wpa_printf(MSG_DEBUG, 178 "DPP: Ignore TX status since there is no ongoing authentication exchange"); 179 return; 180 } 181 182 #ifdef CONFIG_DPP2 183 if (auth->connect_on_tx_status) { 184 wpa_printf(MSG_DEBUG, 185 "DPP: Try to connect after completed configuration result"); 186 wpas_dpp_try_to_connect(wpa_s); 187 dpp_auth_deinit(wpa_s->dpp_auth); 188 wpa_s->dpp_auth = NULL; 189 return; 190 } 191 #endif /* CONFIG_DPP2 */ 192 193 if (wpa_s->dpp_auth->remove_on_tx_status) { 194 wpa_printf(MSG_DEBUG, 195 "DPP: Terminate authentication exchange due to an earlier error"); 196 eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); 197 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); 198 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, 199 NULL); 200 offchannel_send_action_done(wpa_s); 201 dpp_auth_deinit(wpa_s->dpp_auth); 202 wpa_s->dpp_auth = NULL; 203 return; 204 } 205 206 if (wpa_s->dpp_auth_ok_on_ack) 207 wpas_dpp_auth_success(wpa_s, 1); 208 209 if (!is_broadcast_ether_addr(dst) && 210 result != OFFCHANNEL_SEND_ACTION_SUCCESS) { 211 wpa_printf(MSG_DEBUG, 212 "DPP: Unicast DPP Action frame was not ACKed"); 213 if (auth->waiting_auth_resp) { 214 /* In case of DPP Authentication Request frame, move to 215 * the next channel immediately. */ 216 offchannel_send_action_done(wpa_s); 217 wpas_dpp_auth_init_next(wpa_s); 218 return; 219 } 220 if (auth->waiting_auth_conf) { 221 wpas_dpp_auth_resp_retry(wpa_s); 222 return; 223 } 224 } 225 226 if (!is_broadcast_ether_addr(dst) && auth->waiting_auth_resp && 227 result == OFFCHANNEL_SEND_ACTION_SUCCESS) { 228 /* Allow timeout handling to stop iteration if no response is 229 * received from a peer that has ACKed a request. */ 230 auth->auth_req_ack = 1; 231 } 232 233 if (!wpa_s->dpp_auth_ok_on_ack && wpa_s->dpp_auth->neg_freq > 0 && 234 wpa_s->dpp_auth->curr_freq != wpa_s->dpp_auth->neg_freq) { 235 wpa_printf(MSG_DEBUG, 236 "DPP: Move from curr_freq %u MHz to neg_freq %u MHz for response", 237 wpa_s->dpp_auth->curr_freq, 238 wpa_s->dpp_auth->neg_freq); 239 offchannel_send_action_done(wpa_s); 240 wpas_dpp_listen_start(wpa_s, wpa_s->dpp_auth->neg_freq); 241 } 242 243 if (wpa_s->dpp_auth_ok_on_ack) 244 wpa_s->dpp_auth_ok_on_ack = 0; 245 } 246 247 248 static void wpas_dpp_reply_wait_timeout(void *eloop_ctx, void *timeout_ctx) 249 { 250 struct wpa_supplicant *wpa_s = eloop_ctx; 251 struct dpp_authentication *auth = wpa_s->dpp_auth; 252 unsigned int freq; 253 struct os_reltime now, diff; 254 unsigned int wait_time, diff_ms; 255 256 if (!auth || !auth->waiting_auth_resp) 257 return; 258 259 wait_time = wpa_s->dpp_resp_wait_time ? 260 wpa_s->dpp_resp_wait_time : 2000; 261 os_get_reltime(&now); 262 os_reltime_sub(&now, &wpa_s->dpp_last_init, &diff); 263 diff_ms = diff.sec * 1000 + diff.usec / 1000; 264 wpa_printf(MSG_DEBUG, 265 "DPP: Reply wait timeout - wait_time=%u diff_ms=%u", 266 wait_time, diff_ms); 267 268 if (auth->auth_req_ack && diff_ms >= wait_time) { 269 /* Peer ACK'ed Authentication Request frame, but did not reply 270 * with Authentication Response frame within two seconds. */ 271 wpa_printf(MSG_INFO, 272 "DPP: No response received from responder - stopping initiation attempt"); 273 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_INIT_FAILED); 274 offchannel_send_action_done(wpa_s); 275 wpas_dpp_listen_stop(wpa_s); 276 dpp_auth_deinit(auth); 277 wpa_s->dpp_auth = NULL; 278 return; 279 } 280 281 if (diff_ms >= wait_time) { 282 /* Authentication Request frame was not ACK'ed and no reply 283 * was receiving within two seconds. */ 284 wpa_printf(MSG_DEBUG, 285 "DPP: Continue Initiator channel iteration"); 286 offchannel_send_action_done(wpa_s); 287 wpas_dpp_listen_stop(wpa_s); 288 wpas_dpp_auth_init_next(wpa_s); 289 return; 290 } 291 292 /* Driver did not support 2000 ms long wait_time with TX command, so 293 * schedule listen operation to continue waiting for the response. 294 * 295 * DPP listen operations continue until stopped, so simply schedule a 296 * new call to this function at the point when the two second reply 297 * wait has expired. */ 298 wait_time -= diff_ms; 299 300 freq = auth->curr_freq; 301 if (auth->neg_freq > 0) 302 freq = auth->neg_freq; 303 wpa_printf(MSG_DEBUG, 304 "DPP: Continue reply wait on channel %u MHz for %u ms", 305 freq, wait_time); 306 wpa_s->dpp_in_response_listen = 1; 307 wpas_dpp_listen_start(wpa_s, freq); 308 309 eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000, 310 wpas_dpp_reply_wait_timeout, wpa_s, NULL); 311 } 312 313 314 static void wpas_dpp_set_testing_options(struct wpa_supplicant *wpa_s, 315 struct dpp_authentication *auth) 316 { 317 #ifdef CONFIG_TESTING_OPTIONS 318 if (wpa_s->dpp_config_obj_override) 319 auth->config_obj_override = 320 os_strdup(wpa_s->dpp_config_obj_override); 321 if (wpa_s->dpp_discovery_override) 322 auth->discovery_override = 323 os_strdup(wpa_s->dpp_discovery_override); 324 if (wpa_s->dpp_groups_override) 325 auth->groups_override = 326 os_strdup(wpa_s->dpp_groups_override); 327 auth->ignore_netaccesskey_mismatch = 328 wpa_s->dpp_ignore_netaccesskey_mismatch; 329 #endif /* CONFIG_TESTING_OPTIONS */ 330 } 331 332 333 static void wpas_dpp_init_timeout(void *eloop_ctx, void *timeout_ctx) 334 { 335 struct wpa_supplicant *wpa_s = eloop_ctx; 336 337 if (!wpa_s->dpp_auth) 338 return; 339 wpa_printf(MSG_DEBUG, "DPP: Retry initiation after timeout"); 340 wpas_dpp_auth_init_next(wpa_s); 341 } 342 343 344 static int wpas_dpp_auth_init_next(struct wpa_supplicant *wpa_s) 345 { 346 struct dpp_authentication *auth = wpa_s->dpp_auth; 347 const u8 *dst; 348 unsigned int wait_time, max_wait_time, freq, max_tries, used; 349 struct os_reltime now, diff; 350 351 wpa_s->dpp_in_response_listen = 0; 352 if (!auth) 353 return -1; 354 355 if (auth->freq_idx == 0) 356 os_get_reltime(&wpa_s->dpp_init_iter_start); 357 358 if (auth->freq_idx >= auth->num_freq) { 359 auth->num_freq_iters++; 360 if (wpa_s->dpp_init_max_tries) 361 max_tries = wpa_s->dpp_init_max_tries; 362 else 363 max_tries = 5; 364 if (auth->num_freq_iters >= max_tries || auth->auth_req_ack) { 365 wpa_printf(MSG_INFO, 366 "DPP: No response received from responder - stopping initiation attempt"); 367 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_INIT_FAILED); 368 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, 369 wpa_s, NULL); 370 offchannel_send_action_done(wpa_s); 371 dpp_auth_deinit(wpa_s->dpp_auth); 372 wpa_s->dpp_auth = NULL; 373 return -1; 374 } 375 auth->freq_idx = 0; 376 eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); 377 if (wpa_s->dpp_init_retry_time) 378 wait_time = wpa_s->dpp_init_retry_time; 379 else 380 wait_time = 10000; 381 os_get_reltime(&now); 382 os_reltime_sub(&now, &wpa_s->dpp_init_iter_start, &diff); 383 used = diff.sec * 1000 + diff.usec / 1000; 384 if (used > wait_time) 385 wait_time = 0; 386 else 387 wait_time -= used; 388 wpa_printf(MSG_DEBUG, "DPP: Next init attempt in %u ms", 389 wait_time); 390 eloop_register_timeout(wait_time / 1000, 391 (wait_time % 1000) * 1000, 392 wpas_dpp_init_timeout, wpa_s, 393 NULL); 394 return 0; 395 } 396 freq = auth->freq[auth->freq_idx++]; 397 auth->curr_freq = freq; 398 399 if (is_zero_ether_addr(auth->peer_bi->mac_addr)) 400 dst = broadcast; 401 else 402 dst = auth->peer_bi->mac_addr; 403 wpa_s->dpp_auth_ok_on_ack = 0; 404 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); 405 wait_time = wpa_s->max_remain_on_chan; 406 max_wait_time = wpa_s->dpp_resp_wait_time ? 407 wpa_s->dpp_resp_wait_time : 2000; 408 if (wait_time > max_wait_time) 409 wait_time = max_wait_time; 410 wait_time += 10; /* give the driver some extra time to complete */ 411 eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000, 412 wpas_dpp_reply_wait_timeout, 413 wpa_s, NULL); 414 wait_time -= 10; 415 if (auth->neg_freq > 0 && freq != auth->neg_freq) { 416 wpa_printf(MSG_DEBUG, 417 "DPP: Initiate on %u MHz and move to neg_freq %u MHz for response", 418 freq, auth->neg_freq); 419 } 420 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 421 MAC2STR(dst), freq, DPP_PA_AUTHENTICATION_REQ); 422 auth->auth_req_ack = 0; 423 os_get_reltime(&wpa_s->dpp_last_init); 424 return offchannel_send_action(wpa_s, freq, dst, 425 wpa_s->own_addr, broadcast, 426 wpabuf_head(auth->req_msg), 427 wpabuf_len(auth->req_msg), 428 wait_time, wpas_dpp_tx_status, 0); 429 } 430 431 432 int wpas_dpp_auth_init(struct wpa_supplicant *wpa_s, const char *cmd) 433 { 434 const char *pos; 435 struct dpp_bootstrap_info *peer_bi, *own_bi = NULL; 436 u8 allowed_roles = DPP_CAPAB_CONFIGURATOR; 437 unsigned int neg_freq = 0; 438 439 wpa_s->dpp_gas_client = 0; 440 441 pos = os_strstr(cmd, " peer="); 442 if (!pos) 443 return -1; 444 pos += 6; 445 peer_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); 446 if (!peer_bi) { 447 wpa_printf(MSG_INFO, 448 "DPP: Could not find bootstrapping info for the identified peer"); 449 return -1; 450 } 451 452 pos = os_strstr(cmd, " own="); 453 if (pos) { 454 pos += 5; 455 own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); 456 if (!own_bi) { 457 wpa_printf(MSG_INFO, 458 "DPP: Could not find bootstrapping info for the identified local entry"); 459 return -1; 460 } 461 462 if (peer_bi->curve != own_bi->curve) { 463 wpa_printf(MSG_INFO, 464 "DPP: Mismatching curves in bootstrapping info (peer=%s own=%s)", 465 peer_bi->curve->name, own_bi->curve->name); 466 return -1; 467 } 468 } 469 470 pos = os_strstr(cmd, " role="); 471 if (pos) { 472 pos += 6; 473 if (os_strncmp(pos, "configurator", 12) == 0) 474 allowed_roles = DPP_CAPAB_CONFIGURATOR; 475 else if (os_strncmp(pos, "enrollee", 8) == 0) 476 allowed_roles = DPP_CAPAB_ENROLLEE; 477 else if (os_strncmp(pos, "either", 6) == 0) 478 allowed_roles = DPP_CAPAB_CONFIGURATOR | 479 DPP_CAPAB_ENROLLEE; 480 else 481 goto fail; 482 } 483 484 pos = os_strstr(cmd, " netrole="); 485 if (pos) { 486 pos += 9; 487 wpa_s->dpp_netrole_ap = os_strncmp(pos, "ap", 2) == 0; 488 } 489 490 pos = os_strstr(cmd, " neg_freq="); 491 if (pos) 492 neg_freq = atoi(pos + 10); 493 494 if (wpa_s->dpp_auth) { 495 eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); 496 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); 497 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, 498 NULL); 499 offchannel_send_action_done(wpa_s); 500 dpp_auth_deinit(wpa_s->dpp_auth); 501 } 502 wpa_s->dpp_auth = dpp_auth_init(wpa_s, peer_bi, own_bi, allowed_roles, 503 neg_freq, 504 wpa_s->hw.modes, wpa_s->hw.num_modes); 505 if (!wpa_s->dpp_auth) 506 goto fail; 507 wpas_dpp_set_testing_options(wpa_s, wpa_s->dpp_auth); 508 if (dpp_set_configurator(wpa_s->dpp, wpa_s, wpa_s->dpp_auth, cmd) < 0) { 509 dpp_auth_deinit(wpa_s->dpp_auth); 510 wpa_s->dpp_auth = NULL; 511 goto fail; 512 } 513 514 wpa_s->dpp_auth->neg_freq = neg_freq; 515 516 if (!is_zero_ether_addr(peer_bi->mac_addr)) 517 os_memcpy(wpa_s->dpp_auth->peer_mac_addr, peer_bi->mac_addr, 518 ETH_ALEN); 519 520 return wpas_dpp_auth_init_next(wpa_s); 521 fail: 522 return -1; 523 } 524 525 526 struct wpas_dpp_listen_work { 527 unsigned int freq; 528 unsigned int duration; 529 struct wpabuf *probe_resp_ie; 530 }; 531 532 533 static void wpas_dpp_listen_work_free(struct wpas_dpp_listen_work *lwork) 534 { 535 if (!lwork) 536 return; 537 os_free(lwork); 538 } 539 540 541 static void wpas_dpp_listen_work_done(struct wpa_supplicant *wpa_s) 542 { 543 struct wpas_dpp_listen_work *lwork; 544 545 if (!wpa_s->dpp_listen_work) 546 return; 547 548 lwork = wpa_s->dpp_listen_work->ctx; 549 wpas_dpp_listen_work_free(lwork); 550 radio_work_done(wpa_s->dpp_listen_work); 551 wpa_s->dpp_listen_work = NULL; 552 } 553 554 555 static void dpp_start_listen_cb(struct wpa_radio_work *work, int deinit) 556 { 557 struct wpa_supplicant *wpa_s = work->wpa_s; 558 struct wpas_dpp_listen_work *lwork = work->ctx; 559 560 if (deinit) { 561 if (work->started) { 562 wpa_s->dpp_listen_work = NULL; 563 wpas_dpp_listen_stop(wpa_s); 564 } 565 wpas_dpp_listen_work_free(lwork); 566 return; 567 } 568 569 wpa_s->dpp_listen_work = work; 570 571 wpa_s->dpp_pending_listen_freq = lwork->freq; 572 573 if (wpa_drv_remain_on_channel(wpa_s, lwork->freq, 574 wpa_s->max_remain_on_chan) < 0) { 575 wpa_printf(MSG_DEBUG, 576 "DPP: Failed to request the driver to remain on channel (%u MHz) for listen", 577 lwork->freq); 578 wpa_s->dpp_listen_freq = 0; 579 wpas_dpp_listen_work_done(wpa_s); 580 wpa_s->dpp_pending_listen_freq = 0; 581 return; 582 } 583 wpa_s->off_channel_freq = 0; 584 wpa_s->roc_waiting_drv_freq = lwork->freq; 585 } 586 587 588 static int wpas_dpp_listen_start(struct wpa_supplicant *wpa_s, 589 unsigned int freq) 590 { 591 struct wpas_dpp_listen_work *lwork; 592 593 if (wpa_s->dpp_listen_work) { 594 wpa_printf(MSG_DEBUG, 595 "DPP: Reject start_listen since dpp_listen_work already exists"); 596 return -1; 597 } 598 599 if (wpa_s->dpp_listen_freq) 600 wpas_dpp_listen_stop(wpa_s); 601 wpa_s->dpp_listen_freq = freq; 602 603 lwork = os_zalloc(sizeof(*lwork)); 604 if (!lwork) 605 return -1; 606 lwork->freq = freq; 607 608 if (radio_add_work(wpa_s, freq, "dpp-listen", 0, dpp_start_listen_cb, 609 lwork) < 0) { 610 wpas_dpp_listen_work_free(lwork); 611 return -1; 612 } 613 614 return 0; 615 } 616 617 618 int wpas_dpp_listen(struct wpa_supplicant *wpa_s, const char *cmd) 619 { 620 int freq; 621 622 freq = atoi(cmd); 623 if (freq <= 0) 624 return -1; 625 626 if (os_strstr(cmd, " role=configurator")) 627 wpa_s->dpp_allowed_roles = DPP_CAPAB_CONFIGURATOR; 628 else if (os_strstr(cmd, " role=enrollee")) 629 wpa_s->dpp_allowed_roles = DPP_CAPAB_ENROLLEE; 630 else 631 wpa_s->dpp_allowed_roles = DPP_CAPAB_CONFIGURATOR | 632 DPP_CAPAB_ENROLLEE; 633 wpa_s->dpp_qr_mutual = os_strstr(cmd, " qr=mutual") != NULL; 634 wpa_s->dpp_netrole_ap = os_strstr(cmd, " netrole=ap") != NULL; 635 if (wpa_s->dpp_listen_freq == (unsigned int) freq) { 636 wpa_printf(MSG_DEBUG, "DPP: Already listening on %u MHz", 637 freq); 638 return 0; 639 } 640 641 return wpas_dpp_listen_start(wpa_s, freq); 642 } 643 644 645 void wpas_dpp_listen_stop(struct wpa_supplicant *wpa_s) 646 { 647 wpa_s->dpp_in_response_listen = 0; 648 if (!wpa_s->dpp_listen_freq) 649 return; 650 651 wpa_printf(MSG_DEBUG, "DPP: Stop listen on %u MHz", 652 wpa_s->dpp_listen_freq); 653 wpa_drv_cancel_remain_on_channel(wpa_s); 654 wpa_s->dpp_listen_freq = 0; 655 wpas_dpp_listen_work_done(wpa_s); 656 } 657 658 659 void wpas_dpp_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, 660 unsigned int freq) 661 { 662 wpas_dpp_listen_work_done(wpa_s); 663 664 if (wpa_s->dpp_auth && wpa_s->dpp_in_response_listen) { 665 unsigned int new_freq; 666 667 /* Continue listen with a new remain-on-channel */ 668 if (wpa_s->dpp_auth->neg_freq > 0) 669 new_freq = wpa_s->dpp_auth->neg_freq; 670 else 671 new_freq = wpa_s->dpp_auth->curr_freq; 672 wpa_printf(MSG_DEBUG, 673 "DPP: Continue wait on %u MHz for the ongoing DPP provisioning session", 674 new_freq); 675 wpas_dpp_listen_start(wpa_s, new_freq); 676 return; 677 } 678 679 if (wpa_s->dpp_listen_freq) { 680 /* Continue listen with a new remain-on-channel */ 681 wpas_dpp_listen_start(wpa_s, wpa_s->dpp_listen_freq); 682 } 683 } 684 685 686 static void wpas_dpp_rx_auth_req(struct wpa_supplicant *wpa_s, const u8 *src, 687 const u8 *hdr, const u8 *buf, size_t len, 688 unsigned int freq) 689 { 690 const u8 *r_bootstrap, *i_bootstrap; 691 u16 r_bootstrap_len, i_bootstrap_len; 692 struct dpp_bootstrap_info *own_bi = NULL, *peer_bi = NULL; 693 694 if (!wpa_s->dpp) 695 return; 696 697 wpa_printf(MSG_DEBUG, "DPP: Authentication Request from " MACSTR, 698 MAC2STR(src)); 699 700 r_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH, 701 &r_bootstrap_len); 702 if (!r_bootstrap || r_bootstrap_len != SHA256_MAC_LEN) { 703 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL 704 "Missing or invalid required Responder Bootstrapping Key Hash attribute"); 705 return; 706 } 707 wpa_hexdump(MSG_MSGDUMP, "DPP: Responder Bootstrapping Key Hash", 708 r_bootstrap, r_bootstrap_len); 709 710 i_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_I_BOOTSTRAP_KEY_HASH, 711 &i_bootstrap_len); 712 if (!i_bootstrap || i_bootstrap_len != SHA256_MAC_LEN) { 713 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL 714 "Missing or invalid required Initiator Bootstrapping Key Hash attribute"); 715 return; 716 } 717 wpa_hexdump(MSG_MSGDUMP, "DPP: Initiator Bootstrapping Key Hash", 718 i_bootstrap, i_bootstrap_len); 719 720 /* Try to find own and peer bootstrapping key matches based on the 721 * received hash values */ 722 dpp_bootstrap_find_pair(wpa_s->dpp, i_bootstrap, r_bootstrap, 723 &own_bi, &peer_bi); 724 if (!own_bi) { 725 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL 726 "No matching own bootstrapping key found - ignore message"); 727 return; 728 } 729 730 if (wpa_s->dpp_auth) { 731 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL 732 "Already in DPP authentication exchange - ignore new one"); 733 return; 734 } 735 736 wpa_s->dpp_gas_client = 0; 737 wpa_s->dpp_auth_ok_on_ack = 0; 738 wpa_s->dpp_auth = dpp_auth_req_rx(wpa_s, wpa_s->dpp_allowed_roles, 739 wpa_s->dpp_qr_mutual, 740 peer_bi, own_bi, freq, hdr, buf, len); 741 if (!wpa_s->dpp_auth) { 742 wpa_printf(MSG_DEBUG, "DPP: No response generated"); 743 return; 744 } 745 wpas_dpp_set_testing_options(wpa_s, wpa_s->dpp_auth); 746 if (dpp_set_configurator(wpa_s->dpp, wpa_s, wpa_s->dpp_auth, 747 wpa_s->dpp_configurator_params) < 0) { 748 dpp_auth_deinit(wpa_s->dpp_auth); 749 wpa_s->dpp_auth = NULL; 750 return; 751 } 752 os_memcpy(wpa_s->dpp_auth->peer_mac_addr, src, ETH_ALEN); 753 754 if (wpa_s->dpp_listen_freq && 755 wpa_s->dpp_listen_freq != wpa_s->dpp_auth->curr_freq) { 756 wpa_printf(MSG_DEBUG, 757 "DPP: Stop listen on %u MHz to allow response on the request %u MHz", 758 wpa_s->dpp_listen_freq, wpa_s->dpp_auth->curr_freq); 759 wpas_dpp_listen_stop(wpa_s); 760 } 761 762 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 763 MAC2STR(src), wpa_s->dpp_auth->curr_freq, 764 DPP_PA_AUTHENTICATION_RESP); 765 offchannel_send_action(wpa_s, wpa_s->dpp_auth->curr_freq, 766 src, wpa_s->own_addr, broadcast, 767 wpabuf_head(wpa_s->dpp_auth->resp_msg), 768 wpabuf_len(wpa_s->dpp_auth->resp_msg), 769 500, wpas_dpp_tx_status, 0); 770 } 771 772 773 static void wpas_dpp_start_gas_server(struct wpa_supplicant *wpa_s) 774 { 775 /* TODO: stop wait and start ROC */ 776 } 777 778 779 static struct wpa_ssid * wpas_dpp_add_network(struct wpa_supplicant *wpa_s, 780 struct dpp_authentication *auth) 781 { 782 struct wpa_ssid *ssid; 783 784 #ifdef CONFIG_DPP2 785 if (auth->akm == DPP_AKM_SAE) { 786 #ifdef CONFIG_SAE 787 struct wpa_driver_capa capa; 788 int res; 789 790 res = wpa_drv_get_capa(wpa_s, &capa); 791 if (res == 0 && 792 !(capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SAE) && 793 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) { 794 wpa_printf(MSG_DEBUG, 795 "DPP: SAE not supported by the driver"); 796 return NULL; 797 } 798 #else /* CONFIG_SAE */ 799 wpa_printf(MSG_DEBUG, "DPP: SAE not supported in the build"); 800 return NULL; 801 #endif /* CONFIG_SAE */ 802 } 803 #endif /* CONFIG_DPP2 */ 804 805 ssid = wpa_config_add_network(wpa_s->conf); 806 if (!ssid) 807 return NULL; 808 wpas_notify_network_added(wpa_s, ssid); 809 wpa_config_set_network_defaults(ssid); 810 ssid->disabled = 1; 811 812 ssid->ssid = os_malloc(auth->ssid_len); 813 if (!ssid->ssid) 814 goto fail; 815 os_memcpy(ssid->ssid, auth->ssid, auth->ssid_len); 816 ssid->ssid_len = auth->ssid_len; 817 818 if (auth->connector) { 819 ssid->key_mgmt = WPA_KEY_MGMT_DPP; 820 ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED; 821 ssid->dpp_connector = os_strdup(auth->connector); 822 if (!ssid->dpp_connector) 823 goto fail; 824 } 825 826 if (auth->c_sign_key) { 827 ssid->dpp_csign = os_malloc(wpabuf_len(auth->c_sign_key)); 828 if (!ssid->dpp_csign) 829 goto fail; 830 os_memcpy(ssid->dpp_csign, wpabuf_head(auth->c_sign_key), 831 wpabuf_len(auth->c_sign_key)); 832 ssid->dpp_csign_len = wpabuf_len(auth->c_sign_key); 833 } 834 835 if (auth->net_access_key) { 836 ssid->dpp_netaccesskey = 837 os_malloc(wpabuf_len(auth->net_access_key)); 838 if (!ssid->dpp_netaccesskey) 839 goto fail; 840 os_memcpy(ssid->dpp_netaccesskey, 841 wpabuf_head(auth->net_access_key), 842 wpabuf_len(auth->net_access_key)); 843 ssid->dpp_netaccesskey_len = wpabuf_len(auth->net_access_key); 844 ssid->dpp_netaccesskey_expiry = auth->net_access_key_expiry; 845 } 846 847 if (!auth->connector || dpp_akm_psk(auth->akm) || 848 dpp_akm_sae(auth->akm)) { 849 if (!auth->connector) 850 ssid->key_mgmt = 0; 851 if (dpp_akm_psk(auth->akm)) 852 ssid->key_mgmt |= WPA_KEY_MGMT_PSK | 853 WPA_KEY_MGMT_PSK_SHA256 | WPA_KEY_MGMT_FT_PSK; 854 if (dpp_akm_sae(auth->akm)) 855 ssid->key_mgmt |= WPA_KEY_MGMT_SAE | 856 WPA_KEY_MGMT_FT_SAE; 857 ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL; 858 if (auth->passphrase[0]) { 859 if (wpa_config_set_quoted(ssid, "psk", 860 auth->passphrase) < 0) 861 goto fail; 862 wpa_config_update_psk(ssid); 863 ssid->export_keys = 1; 864 } else { 865 ssid->psk_set = auth->psk_set; 866 os_memcpy(ssid->psk, auth->psk, PMK_LEN); 867 } 868 } 869 870 return ssid; 871 fail: 872 wpas_notify_network_removed(wpa_s, ssid); 873 wpa_config_remove_network(wpa_s->conf, ssid->id); 874 return NULL; 875 } 876 877 878 static int wpas_dpp_process_config(struct wpa_supplicant *wpa_s, 879 struct dpp_authentication *auth) 880 { 881 struct wpa_ssid *ssid; 882 883 if (wpa_s->conf->dpp_config_processing < 1) 884 return 0; 885 886 ssid = wpas_dpp_add_network(wpa_s, auth); 887 if (!ssid) 888 return -1; 889 890 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_NETWORK_ID "%d", ssid->id); 891 if (wpa_s->conf->dpp_config_processing == 2) 892 ssid->disabled = 0; 893 894 #ifndef CONFIG_NO_CONFIG_WRITE 895 if (wpa_s->conf->update_config && 896 wpa_config_write(wpa_s->confname, wpa_s->conf)) 897 wpa_printf(MSG_DEBUG, "DPP: Failed to update configuration"); 898 #endif /* CONFIG_NO_CONFIG_WRITE */ 899 900 if (wpa_s->conf->dpp_config_processing < 2) 901 return 0; 902 903 #ifdef CONFIG_DPP2 904 if (auth->peer_version >= 2) { 905 wpa_printf(MSG_DEBUG, 906 "DPP: Postpone connection attempt to wait for completion of DPP Configuration Result"); 907 auth->connect_on_tx_status = 1; 908 return 0; 909 } 910 #endif /* CONFIG_DPP2 */ 911 912 wpas_dpp_try_to_connect(wpa_s); 913 return 0; 914 } 915 916 917 static int wpas_dpp_handle_config_obj(struct wpa_supplicant *wpa_s, 918 struct dpp_authentication *auth) 919 { 920 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_RECEIVED); 921 if (auth->ssid_len) 922 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_SSID "%s", 923 wpa_ssid_txt(auth->ssid, auth->ssid_len)); 924 if (auth->connector) { 925 /* TODO: Save the Connector and consider using a command 926 * to fetch the value instead of sending an event with 927 * it. The Connector could end up being larger than what 928 * most clients are ready to receive as an event 929 * message. */ 930 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONNECTOR "%s", 931 auth->connector); 932 } 933 if (auth->c_sign_key) { 934 char *hex; 935 size_t hexlen; 936 937 hexlen = 2 * wpabuf_len(auth->c_sign_key) + 1; 938 hex = os_malloc(hexlen); 939 if (hex) { 940 wpa_snprintf_hex(hex, hexlen, 941 wpabuf_head(auth->c_sign_key), 942 wpabuf_len(auth->c_sign_key)); 943 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_C_SIGN_KEY "%s", 944 hex); 945 os_free(hex); 946 } 947 } 948 if (auth->net_access_key) { 949 char *hex; 950 size_t hexlen; 951 952 hexlen = 2 * wpabuf_len(auth->net_access_key) + 1; 953 hex = os_malloc(hexlen); 954 if (hex) { 955 wpa_snprintf_hex(hex, hexlen, 956 wpabuf_head(auth->net_access_key), 957 wpabuf_len(auth->net_access_key)); 958 if (auth->net_access_key_expiry) 959 wpa_msg(wpa_s, MSG_INFO, 960 DPP_EVENT_NET_ACCESS_KEY "%s %lu", hex, 961 (long unsigned) 962 auth->net_access_key_expiry); 963 else 964 wpa_msg(wpa_s, MSG_INFO, 965 DPP_EVENT_NET_ACCESS_KEY "%s", hex); 966 os_free(hex); 967 } 968 } 969 970 return wpas_dpp_process_config(wpa_s, auth); 971 } 972 973 974 static void wpas_dpp_gas_resp_cb(void *ctx, const u8 *addr, u8 dialog_token, 975 enum gas_query_result result, 976 const struct wpabuf *adv_proto, 977 const struct wpabuf *resp, u16 status_code) 978 { 979 struct wpa_supplicant *wpa_s = ctx; 980 const u8 *pos; 981 struct dpp_authentication *auth = wpa_s->dpp_auth; 982 int res; 983 enum dpp_status_error status = DPP_STATUS_CONFIG_REJECTED; 984 985 wpa_s->dpp_gas_dialog_token = -1; 986 987 if (!auth || !auth->auth_success) { 988 wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress"); 989 return; 990 } 991 if (result != GAS_QUERY_SUCCESS || 992 !resp || status_code != WLAN_STATUS_SUCCESS) { 993 wpa_printf(MSG_DEBUG, "DPP: GAS query did not succeed"); 994 goto fail; 995 } 996 997 wpa_hexdump_buf(MSG_DEBUG, "DPP: Configuration Response adv_proto", 998 adv_proto); 999 wpa_hexdump_buf(MSG_DEBUG, "DPP: Configuration Response (GAS response)", 1000 resp); 1001 1002 if (wpabuf_len(adv_proto) != 10 || 1003 !(pos = wpabuf_head(adv_proto)) || 1004 pos[0] != WLAN_EID_ADV_PROTO || 1005 pos[1] != 8 || 1006 pos[3] != WLAN_EID_VENDOR_SPECIFIC || 1007 pos[4] != 5 || 1008 WPA_GET_BE24(&pos[5]) != OUI_WFA || 1009 pos[8] != 0x1a || 1010 pos[9] != 1) { 1011 wpa_printf(MSG_DEBUG, 1012 "DPP: Not a DPP Advertisement Protocol ID"); 1013 goto fail; 1014 } 1015 1016 if (dpp_conf_resp_rx(auth, resp) < 0) { 1017 wpa_printf(MSG_DEBUG, "DPP: Configuration attempt failed"); 1018 goto fail; 1019 } 1020 1021 res = wpas_dpp_handle_config_obj(wpa_s, auth); 1022 if (res < 0) 1023 goto fail; 1024 1025 status = DPP_STATUS_OK; 1026 #ifdef CONFIG_TESTING_OPTIONS 1027 if (dpp_test == DPP_TEST_REJECT_CONFIG) { 1028 wpa_printf(MSG_INFO, "DPP: TESTING - Reject Config Object"); 1029 status = DPP_STATUS_CONFIG_REJECTED; 1030 } 1031 #endif /* CONFIG_TESTING_OPTIONS */ 1032 fail: 1033 if (status != DPP_STATUS_OK) 1034 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); 1035 #ifdef CONFIG_DPP2 1036 if (auth->peer_version >= 2 && 1037 auth->conf_resp_status == DPP_STATUS_OK) { 1038 struct wpabuf *msg; 1039 1040 wpa_printf(MSG_DEBUG, "DPP: Send DPP Configuration Result"); 1041 msg = dpp_build_conf_result(auth, status); 1042 if (!msg) 1043 goto fail2; 1044 1045 wpa_msg(wpa_s, MSG_INFO, 1046 DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 1047 MAC2STR(addr), auth->curr_freq, 1048 DPP_PA_CONFIGURATION_RESULT); 1049 offchannel_send_action(wpa_s, auth->curr_freq, 1050 addr, wpa_s->own_addr, broadcast, 1051 wpabuf_head(msg), 1052 wpabuf_len(msg), 1053 500, wpas_dpp_tx_status, 0); 1054 wpabuf_free(msg); 1055 1056 /* This exchange will be terminated in the TX status handler */ 1057 return; 1058 } 1059 fail2: 1060 #endif /* CONFIG_DPP2 */ 1061 dpp_auth_deinit(wpa_s->dpp_auth); 1062 wpa_s->dpp_auth = NULL; 1063 } 1064 1065 1066 static void wpas_dpp_start_gas_client(struct wpa_supplicant *wpa_s) 1067 { 1068 struct dpp_authentication *auth = wpa_s->dpp_auth; 1069 struct wpabuf *buf; 1070 char json[100]; 1071 int res; 1072 1073 wpa_s->dpp_gas_client = 1; 1074 os_snprintf(json, sizeof(json), 1075 "{\"name\":\"Test\"," 1076 "\"wi-fi_tech\":\"infra\"," 1077 "\"netRole\":\"%s\"}", 1078 wpa_s->dpp_netrole_ap ? "ap" : "sta"); 1079 #ifdef CONFIG_TESTING_OPTIONS 1080 if (dpp_test == DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ) { 1081 wpa_printf(MSG_INFO, "DPP: TESTING - invalid Config Attr"); 1082 json[29] = 'k'; /* replace "infra" with "knfra" */ 1083 } 1084 #endif /* CONFIG_TESTING_OPTIONS */ 1085 wpa_printf(MSG_DEBUG, "DPP: GAS Config Attributes: %s", json); 1086 1087 offchannel_send_action_done(wpa_s); 1088 wpas_dpp_listen_stop(wpa_s); 1089 1090 buf = dpp_build_conf_req(auth, json); 1091 if (!buf) { 1092 wpa_printf(MSG_DEBUG, 1093 "DPP: No configuration request data available"); 1094 return; 1095 } 1096 1097 wpa_printf(MSG_DEBUG, "DPP: GAS request to " MACSTR " (freq %u MHz)", 1098 MAC2STR(auth->peer_mac_addr), auth->curr_freq); 1099 1100 res = gas_query_req(wpa_s->gas, auth->peer_mac_addr, auth->curr_freq, 1101 1, buf, wpas_dpp_gas_resp_cb, wpa_s); 1102 if (res < 0) { 1103 wpa_msg(wpa_s, MSG_DEBUG, "GAS: Failed to send Query Request"); 1104 wpabuf_free(buf); 1105 } else { 1106 wpa_printf(MSG_DEBUG, 1107 "DPP: GAS query started with dialog token %u", res); 1108 wpa_s->dpp_gas_dialog_token = res; 1109 } 1110 } 1111 1112 1113 static void wpas_dpp_auth_success(struct wpa_supplicant *wpa_s, int initiator) 1114 { 1115 wpa_printf(MSG_DEBUG, "DPP: Authentication succeeded"); 1116 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_SUCCESS "init=%d", initiator); 1117 #ifdef CONFIG_TESTING_OPTIONS 1118 if (dpp_test == DPP_TEST_STOP_AT_AUTH_CONF) { 1119 wpa_printf(MSG_INFO, 1120 "DPP: TESTING - stop at Authentication Confirm"); 1121 if (wpa_s->dpp_auth->configurator) { 1122 /* Prevent GAS response */ 1123 wpa_s->dpp_auth->auth_success = 0; 1124 } 1125 return; 1126 } 1127 #endif /* CONFIG_TESTING_OPTIONS */ 1128 1129 if (wpa_s->dpp_auth->configurator) 1130 wpas_dpp_start_gas_server(wpa_s); 1131 else 1132 wpas_dpp_start_gas_client(wpa_s); 1133 } 1134 1135 1136 static void wpas_dpp_rx_auth_resp(struct wpa_supplicant *wpa_s, const u8 *src, 1137 const u8 *hdr, const u8 *buf, size_t len, 1138 unsigned int freq) 1139 { 1140 struct dpp_authentication *auth = wpa_s->dpp_auth; 1141 struct wpabuf *msg; 1142 1143 wpa_printf(MSG_DEBUG, "DPP: Authentication Response from " MACSTR 1144 " (freq %u MHz)", MAC2STR(src), freq); 1145 1146 if (!auth) { 1147 wpa_printf(MSG_DEBUG, 1148 "DPP: No DPP Authentication in progress - drop"); 1149 return; 1150 } 1151 1152 if (!is_zero_ether_addr(auth->peer_mac_addr) && 1153 os_memcmp(src, auth->peer_mac_addr, ETH_ALEN) != 0) { 1154 wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " 1155 MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); 1156 return; 1157 } 1158 1159 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); 1160 1161 if (auth->curr_freq != freq && auth->neg_freq == freq) { 1162 wpa_printf(MSG_DEBUG, 1163 "DPP: Responder accepted request for different negotiation channel"); 1164 auth->curr_freq = freq; 1165 } 1166 1167 eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); 1168 msg = dpp_auth_resp_rx(auth, hdr, buf, len); 1169 if (!msg) { 1170 if (auth->auth_resp_status == DPP_STATUS_RESPONSE_PENDING) { 1171 wpa_printf(MSG_DEBUG, 1172 "DPP: Start wait for full response"); 1173 offchannel_send_action_done(wpa_s); 1174 wpas_dpp_listen_start(wpa_s, auth->curr_freq); 1175 return; 1176 } 1177 wpa_printf(MSG_DEBUG, "DPP: No confirm generated"); 1178 return; 1179 } 1180 os_memcpy(auth->peer_mac_addr, src, ETH_ALEN); 1181 1182 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 1183 MAC2STR(src), auth->curr_freq, DPP_PA_AUTHENTICATION_CONF); 1184 offchannel_send_action(wpa_s, auth->curr_freq, 1185 src, wpa_s->own_addr, broadcast, 1186 wpabuf_head(msg), wpabuf_len(msg), 1187 500, wpas_dpp_tx_status, 0); 1188 wpabuf_free(msg); 1189 wpa_s->dpp_auth_ok_on_ack = 1; 1190 } 1191 1192 1193 static void wpas_dpp_rx_auth_conf(struct wpa_supplicant *wpa_s, const u8 *src, 1194 const u8 *hdr, const u8 *buf, size_t len) 1195 { 1196 struct dpp_authentication *auth = wpa_s->dpp_auth; 1197 1198 wpa_printf(MSG_DEBUG, "DPP: Authentication Confirmation from " MACSTR, 1199 MAC2STR(src)); 1200 1201 if (!auth) { 1202 wpa_printf(MSG_DEBUG, 1203 "DPP: No DPP Authentication in progress - drop"); 1204 return; 1205 } 1206 1207 if (os_memcmp(src, auth->peer_mac_addr, ETH_ALEN) != 0) { 1208 wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " 1209 MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); 1210 return; 1211 } 1212 1213 if (dpp_auth_conf_rx(auth, hdr, buf, len) < 0) { 1214 wpa_printf(MSG_DEBUG, "DPP: Authentication failed"); 1215 return; 1216 } 1217 1218 wpas_dpp_auth_success(wpa_s, 0); 1219 } 1220 1221 1222 #ifdef CONFIG_DPP2 1223 1224 static void wpas_dpp_config_result_wait_timeout(void *eloop_ctx, 1225 void *timeout_ctx) 1226 { 1227 struct wpa_supplicant *wpa_s = eloop_ctx; 1228 struct dpp_authentication *auth = wpa_s->dpp_auth; 1229 1230 if (!auth || !auth->waiting_conf_result) 1231 return; 1232 1233 wpa_printf(MSG_DEBUG, 1234 "DPP: Timeout while waiting for Configuration Result"); 1235 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); 1236 dpp_auth_deinit(auth); 1237 wpa_s->dpp_auth = NULL; 1238 } 1239 1240 1241 static void wpas_dpp_rx_conf_result(struct wpa_supplicant *wpa_s, const u8 *src, 1242 const u8 *hdr, const u8 *buf, size_t len) 1243 { 1244 struct dpp_authentication *auth = wpa_s->dpp_auth; 1245 enum dpp_status_error status; 1246 1247 wpa_printf(MSG_DEBUG, "DPP: Configuration Result from " MACSTR, 1248 MAC2STR(src)); 1249 1250 if (!auth || !auth->waiting_conf_result) { 1251 wpa_printf(MSG_DEBUG, 1252 "DPP: No DPP Configuration waiting for result - drop"); 1253 return; 1254 } 1255 1256 if (os_memcmp(src, auth->peer_mac_addr, ETH_ALEN) != 0) { 1257 wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected " 1258 MACSTR ") - drop", MAC2STR(auth->peer_mac_addr)); 1259 return; 1260 } 1261 1262 status = dpp_conf_result_rx(auth, hdr, buf, len); 1263 1264 offchannel_send_action_done(wpa_s); 1265 wpas_dpp_listen_stop(wpa_s); 1266 if (status == DPP_STATUS_OK) 1267 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_SENT); 1268 else 1269 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); 1270 dpp_auth_deinit(auth); 1271 wpa_s->dpp_auth = NULL; 1272 eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, wpa_s, NULL); 1273 } 1274 1275 #endif /* CONFIG_DPP2 */ 1276 1277 1278 static void wpas_dpp_rx_peer_disc_resp(struct wpa_supplicant *wpa_s, 1279 const u8 *src, 1280 const u8 *buf, size_t len) 1281 { 1282 struct wpa_ssid *ssid; 1283 const u8 *connector, *trans_id, *status; 1284 u16 connector_len, trans_id_len, status_len; 1285 struct dpp_introduction intro; 1286 struct rsn_pmksa_cache_entry *entry; 1287 struct os_time now; 1288 struct os_reltime rnow; 1289 os_time_t expiry; 1290 unsigned int seconds; 1291 enum dpp_status_error res; 1292 1293 wpa_printf(MSG_DEBUG, "DPP: Peer Discovery Response from " MACSTR, 1294 MAC2STR(src)); 1295 if (is_zero_ether_addr(wpa_s->dpp_intro_bssid) || 1296 os_memcmp(src, wpa_s->dpp_intro_bssid, ETH_ALEN) != 0) { 1297 wpa_printf(MSG_DEBUG, "DPP: Not waiting for response from " 1298 MACSTR " - drop", MAC2STR(src)); 1299 return; 1300 } 1301 offchannel_send_action_done(wpa_s); 1302 1303 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 1304 if (ssid == wpa_s->dpp_intro_network) 1305 break; 1306 } 1307 if (!ssid || !ssid->dpp_connector || !ssid->dpp_netaccesskey || 1308 !ssid->dpp_csign) { 1309 wpa_printf(MSG_DEBUG, 1310 "DPP: Profile not found for network introduction"); 1311 return; 1312 } 1313 1314 trans_id = dpp_get_attr(buf, len, DPP_ATTR_TRANSACTION_ID, 1315 &trans_id_len); 1316 if (!trans_id || trans_id_len != 1) { 1317 wpa_printf(MSG_DEBUG, 1318 "DPP: Peer did not include Transaction ID"); 1319 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR 1320 " fail=missing_transaction_id", MAC2STR(src)); 1321 goto fail; 1322 } 1323 if (trans_id[0] != TRANSACTION_ID) { 1324 wpa_printf(MSG_DEBUG, 1325 "DPP: Ignore frame with unexpected Transaction ID %u", 1326 trans_id[0]); 1327 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR 1328 " fail=transaction_id_mismatch", MAC2STR(src)); 1329 goto fail; 1330 } 1331 1332 status = dpp_get_attr(buf, len, DPP_ATTR_STATUS, &status_len); 1333 if (!status || status_len != 1) { 1334 wpa_printf(MSG_DEBUG, "DPP: Peer did not include Status"); 1335 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR 1336 " fail=missing_status", MAC2STR(src)); 1337 goto fail; 1338 } 1339 if (status[0] != DPP_STATUS_OK) { 1340 wpa_printf(MSG_DEBUG, 1341 "DPP: Peer rejected network introduction: Status %u", 1342 status[0]); 1343 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR 1344 " status=%u", MAC2STR(src), status[0]); 1345 goto fail; 1346 } 1347 1348 connector = dpp_get_attr(buf, len, DPP_ATTR_CONNECTOR, &connector_len); 1349 if (!connector) { 1350 wpa_printf(MSG_DEBUG, 1351 "DPP: Peer did not include its Connector"); 1352 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR 1353 " fail=missing_connector", MAC2STR(src)); 1354 goto fail; 1355 } 1356 1357 res = dpp_peer_intro(&intro, ssid->dpp_connector, 1358 ssid->dpp_netaccesskey, 1359 ssid->dpp_netaccesskey_len, 1360 ssid->dpp_csign, 1361 ssid->dpp_csign_len, 1362 connector, connector_len, &expiry); 1363 if (res != DPP_STATUS_OK) { 1364 wpa_printf(MSG_INFO, 1365 "DPP: Network Introduction protocol resulted in failure"); 1366 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR 1367 " fail=peer_connector_validation_failed", MAC2STR(src)); 1368 goto fail; 1369 } 1370 1371 entry = os_zalloc(sizeof(*entry)); 1372 if (!entry) 1373 goto fail; 1374 os_memcpy(entry->aa, src, ETH_ALEN); 1375 os_memcpy(entry->pmkid, intro.pmkid, PMKID_LEN); 1376 os_memcpy(entry->pmk, intro.pmk, intro.pmk_len); 1377 entry->pmk_len = intro.pmk_len; 1378 entry->akmp = WPA_KEY_MGMT_DPP; 1379 if (expiry) { 1380 os_get_time(&now); 1381 seconds = expiry - now.sec; 1382 } else { 1383 seconds = 86400 * 7; 1384 } 1385 os_get_reltime(&rnow); 1386 entry->expiration = rnow.sec + seconds; 1387 entry->reauth_time = rnow.sec + seconds; 1388 entry->network_ctx = ssid; 1389 wpa_sm_pmksa_cache_add_entry(wpa_s->wpa, entry); 1390 1391 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR 1392 " status=%u", MAC2STR(src), status[0]); 1393 1394 wpa_printf(MSG_DEBUG, 1395 "DPP: Try connection again after successful network introduction"); 1396 if (wpa_supplicant_fast_associate(wpa_s) != 1) { 1397 wpa_supplicant_cancel_sched_scan(wpa_s); 1398 wpa_supplicant_req_scan(wpa_s, 0, 0); 1399 } 1400 fail: 1401 os_memset(&intro, 0, sizeof(intro)); 1402 } 1403 1404 1405 static int wpas_dpp_allow_ir(struct wpa_supplicant *wpa_s, unsigned int freq) 1406 { 1407 int i, j; 1408 1409 if (!wpa_s->hw.modes) 1410 return -1; 1411 1412 for (i = 0; i < wpa_s->hw.num_modes; i++) { 1413 struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i]; 1414 1415 for (j = 0; j < mode->num_channels; j++) { 1416 struct hostapd_channel_data *chan = &mode->channels[j]; 1417 1418 if (chan->freq != (int) freq) 1419 continue; 1420 1421 if (chan->flag & (HOSTAPD_CHAN_DISABLED | 1422 HOSTAPD_CHAN_NO_IR | 1423 HOSTAPD_CHAN_RADAR)) 1424 continue; 1425 1426 return 1; 1427 } 1428 } 1429 1430 wpa_printf(MSG_DEBUG, 1431 "DPP: Frequency %u MHz not supported or does not allow PKEX initiation in the current channel list", 1432 freq); 1433 1434 return 0; 1435 } 1436 1437 1438 static int wpas_dpp_pkex_next_channel(struct wpa_supplicant *wpa_s, 1439 struct dpp_pkex *pkex) 1440 { 1441 if (pkex->freq == 2437) 1442 pkex->freq = 5745; 1443 else if (pkex->freq == 5745) 1444 pkex->freq = 5220; 1445 else if (pkex->freq == 5220) 1446 pkex->freq = 60480; 1447 else 1448 return -1; /* no more channels to try */ 1449 1450 if (wpas_dpp_allow_ir(wpa_s, pkex->freq) == 1) { 1451 wpa_printf(MSG_DEBUG, "DPP: Try to initiate on %u MHz", 1452 pkex->freq); 1453 return 0; 1454 } 1455 1456 /* Could not use this channel - try the next one */ 1457 return wpas_dpp_pkex_next_channel(wpa_s, pkex); 1458 } 1459 1460 1461 static void wpas_dpp_pkex_retry_timeout(void *eloop_ctx, void *timeout_ctx) 1462 { 1463 struct wpa_supplicant *wpa_s = eloop_ctx; 1464 struct dpp_pkex *pkex = wpa_s->dpp_pkex; 1465 1466 if (!pkex || !pkex->exchange_req) 1467 return; 1468 if (pkex->exch_req_tries >= 5) { 1469 if (wpas_dpp_pkex_next_channel(wpa_s, pkex) < 0) { 1470 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL 1471 "No response from PKEX peer"); 1472 dpp_pkex_free(pkex); 1473 wpa_s->dpp_pkex = NULL; 1474 return; 1475 } 1476 pkex->exch_req_tries = 0; 1477 } 1478 1479 pkex->exch_req_tries++; 1480 wpa_printf(MSG_DEBUG, "DPP: Retransmit PKEX Exchange Request (try %u)", 1481 pkex->exch_req_tries); 1482 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 1483 MAC2STR(broadcast), pkex->freq, DPP_PA_PKEX_EXCHANGE_REQ); 1484 offchannel_send_action(wpa_s, pkex->freq, broadcast, 1485 wpa_s->own_addr, broadcast, 1486 wpabuf_head(pkex->exchange_req), 1487 wpabuf_len(pkex->exchange_req), 1488 pkex->exch_req_wait_time, 1489 wpas_dpp_tx_pkex_status, 0); 1490 } 1491 1492 1493 static void 1494 wpas_dpp_tx_pkex_status(struct wpa_supplicant *wpa_s, 1495 unsigned int freq, const u8 *dst, 1496 const u8 *src, const u8 *bssid, 1497 const u8 *data, size_t data_len, 1498 enum offchannel_send_action_result result) 1499 { 1500 const char *res_txt; 1501 struct dpp_pkex *pkex = wpa_s->dpp_pkex; 1502 1503 res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : 1504 (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : 1505 "FAILED"); 1506 wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR 1507 " result=%s (PKEX)", 1508 freq, MAC2STR(dst), res_txt); 1509 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR 1510 " freq=%u result=%s", MAC2STR(dst), freq, res_txt); 1511 1512 if (!pkex) { 1513 wpa_printf(MSG_DEBUG, 1514 "DPP: Ignore TX status since there is no ongoing PKEX exchange"); 1515 return; 1516 } 1517 1518 if (pkex->failed) { 1519 wpa_printf(MSG_DEBUG, 1520 "DPP: Terminate PKEX exchange due to an earlier error"); 1521 if (pkex->t > pkex->own_bi->pkex_t) 1522 pkex->own_bi->pkex_t = pkex->t; 1523 dpp_pkex_free(pkex); 1524 wpa_s->dpp_pkex = NULL; 1525 return; 1526 } 1527 1528 if (pkex->exch_req_wait_time && pkex->exchange_req) { 1529 /* Wait for PKEX Exchange Response frame and retry request if 1530 * no response is seen. */ 1531 eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); 1532 eloop_register_timeout(pkex->exch_req_wait_time / 1000, 1533 (pkex->exch_req_wait_time % 1000) * 1000, 1534 wpas_dpp_pkex_retry_timeout, wpa_s, 1535 NULL); 1536 } 1537 } 1538 1539 1540 static void 1541 wpas_dpp_rx_pkex_exchange_req(struct wpa_supplicant *wpa_s, const u8 *src, 1542 const u8 *buf, size_t len, unsigned int freq) 1543 { 1544 struct wpabuf *msg; 1545 unsigned int wait_time; 1546 1547 wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Request from " MACSTR, 1548 MAC2STR(src)); 1549 1550 /* TODO: Support multiple PKEX codes by iterating over all the enabled 1551 * values here */ 1552 1553 if (!wpa_s->dpp_pkex_code || !wpa_s->dpp_pkex_bi) { 1554 wpa_printf(MSG_DEBUG, 1555 "DPP: No PKEX code configured - ignore request"); 1556 return; 1557 } 1558 1559 if (wpa_s->dpp_pkex) { 1560 /* TODO: Support parallel operations */ 1561 wpa_printf(MSG_DEBUG, 1562 "DPP: Already in PKEX session - ignore new request"); 1563 return; 1564 } 1565 1566 wpa_s->dpp_pkex = dpp_pkex_rx_exchange_req(wpa_s, wpa_s->dpp_pkex_bi, 1567 wpa_s->own_addr, src, 1568 wpa_s->dpp_pkex_identifier, 1569 wpa_s->dpp_pkex_code, 1570 buf, len); 1571 if (!wpa_s->dpp_pkex) { 1572 wpa_printf(MSG_DEBUG, 1573 "DPP: Failed to process the request - ignore it"); 1574 return; 1575 } 1576 1577 msg = wpa_s->dpp_pkex->exchange_resp; 1578 wait_time = wpa_s->max_remain_on_chan; 1579 if (wait_time > 2000) 1580 wait_time = 2000; 1581 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 1582 MAC2STR(src), freq, DPP_PA_PKEX_EXCHANGE_RESP); 1583 offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, 1584 broadcast, 1585 wpabuf_head(msg), wpabuf_len(msg), 1586 wait_time, wpas_dpp_tx_pkex_status, 0); 1587 } 1588 1589 1590 static void 1591 wpas_dpp_rx_pkex_exchange_resp(struct wpa_supplicant *wpa_s, const u8 *src, 1592 const u8 *buf, size_t len, unsigned int freq) 1593 { 1594 struct wpabuf *msg; 1595 unsigned int wait_time; 1596 1597 wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Response from " MACSTR, 1598 MAC2STR(src)); 1599 1600 /* TODO: Support multiple PKEX codes by iterating over all the enabled 1601 * values here */ 1602 1603 if (!wpa_s->dpp_pkex || !wpa_s->dpp_pkex->initiator || 1604 wpa_s->dpp_pkex->exchange_done) { 1605 wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); 1606 return; 1607 } 1608 1609 eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); 1610 wpa_s->dpp_pkex->exch_req_wait_time = 0; 1611 1612 msg = dpp_pkex_rx_exchange_resp(wpa_s->dpp_pkex, src, buf, len); 1613 if (!msg) { 1614 wpa_printf(MSG_DEBUG, "DPP: Failed to process the response"); 1615 return; 1616 } 1617 1618 wpa_printf(MSG_DEBUG, "DPP: Send PKEX Commit-Reveal Request to " MACSTR, 1619 MAC2STR(src)); 1620 1621 wait_time = wpa_s->max_remain_on_chan; 1622 if (wait_time > 2000) 1623 wait_time = 2000; 1624 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 1625 MAC2STR(src), freq, DPP_PA_PKEX_COMMIT_REVEAL_REQ); 1626 offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, 1627 broadcast, 1628 wpabuf_head(msg), wpabuf_len(msg), 1629 wait_time, wpas_dpp_tx_pkex_status, 0); 1630 wpabuf_free(msg); 1631 } 1632 1633 1634 static struct dpp_bootstrap_info * 1635 wpas_dpp_pkex_finish(struct wpa_supplicant *wpa_s, const u8 *peer, 1636 unsigned int freq) 1637 { 1638 struct dpp_bootstrap_info *bi; 1639 1640 bi = dpp_pkex_finish(wpa_s->dpp, wpa_s->dpp_pkex, peer, freq); 1641 if (!bi) 1642 return NULL; 1643 wpa_s->dpp_pkex = NULL; 1644 return bi; 1645 } 1646 1647 1648 static void 1649 wpas_dpp_rx_pkex_commit_reveal_req(struct wpa_supplicant *wpa_s, const u8 *src, 1650 const u8 *hdr, const u8 *buf, size_t len, 1651 unsigned int freq) 1652 { 1653 struct wpabuf *msg; 1654 unsigned int wait_time; 1655 struct dpp_pkex *pkex = wpa_s->dpp_pkex; 1656 1657 wpa_printf(MSG_DEBUG, "DPP: PKEX Commit-Reveal Request from " MACSTR, 1658 MAC2STR(src)); 1659 1660 if (!pkex || pkex->initiator || !pkex->exchange_done) { 1661 wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); 1662 return; 1663 } 1664 1665 msg = dpp_pkex_rx_commit_reveal_req(pkex, hdr, buf, len); 1666 if (!msg) { 1667 wpa_printf(MSG_DEBUG, "DPP: Failed to process the request"); 1668 if (pkex->failed) { 1669 wpa_printf(MSG_DEBUG, "DPP: Terminate PKEX exchange"); 1670 if (pkex->t > pkex->own_bi->pkex_t) 1671 pkex->own_bi->pkex_t = pkex->t; 1672 dpp_pkex_free(wpa_s->dpp_pkex); 1673 wpa_s->dpp_pkex = NULL; 1674 } 1675 return; 1676 } 1677 1678 wpa_printf(MSG_DEBUG, "DPP: Send PKEX Commit-Reveal Response to " 1679 MACSTR, MAC2STR(src)); 1680 1681 wait_time = wpa_s->max_remain_on_chan; 1682 if (wait_time > 2000) 1683 wait_time = 2000; 1684 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 1685 MAC2STR(src), freq, DPP_PA_PKEX_COMMIT_REVEAL_RESP); 1686 offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr, 1687 broadcast, 1688 wpabuf_head(msg), wpabuf_len(msg), 1689 wait_time, wpas_dpp_tx_pkex_status, 0); 1690 wpabuf_free(msg); 1691 1692 wpas_dpp_pkex_finish(wpa_s, src, freq); 1693 } 1694 1695 1696 static void 1697 wpas_dpp_rx_pkex_commit_reveal_resp(struct wpa_supplicant *wpa_s, const u8 *src, 1698 const u8 *hdr, const u8 *buf, size_t len, 1699 unsigned int freq) 1700 { 1701 int res; 1702 struct dpp_bootstrap_info *bi; 1703 struct dpp_pkex *pkex = wpa_s->dpp_pkex; 1704 char cmd[500]; 1705 1706 wpa_printf(MSG_DEBUG, "DPP: PKEX Commit-Reveal Response from " MACSTR, 1707 MAC2STR(src)); 1708 1709 if (!pkex || !pkex->initiator || !pkex->exchange_done) { 1710 wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session"); 1711 return; 1712 } 1713 1714 res = dpp_pkex_rx_commit_reveal_resp(pkex, hdr, buf, len); 1715 if (res < 0) { 1716 wpa_printf(MSG_DEBUG, "DPP: Failed to process the response"); 1717 return; 1718 } 1719 1720 bi = wpas_dpp_pkex_finish(wpa_s, src, freq); 1721 if (!bi) 1722 return; 1723 1724 os_snprintf(cmd, sizeof(cmd), " peer=%u %s", 1725 bi->id, 1726 wpa_s->dpp_pkex_auth_cmd ? wpa_s->dpp_pkex_auth_cmd : ""); 1727 wpa_printf(MSG_DEBUG, 1728 "DPP: Start authentication after PKEX with parameters: %s", 1729 cmd); 1730 if (wpas_dpp_auth_init(wpa_s, cmd) < 0) { 1731 wpa_printf(MSG_DEBUG, 1732 "DPP: Authentication initialization failed"); 1733 return; 1734 } 1735 } 1736 1737 1738 void wpas_dpp_rx_action(struct wpa_supplicant *wpa_s, const u8 *src, 1739 const u8 *buf, size_t len, unsigned int freq) 1740 { 1741 u8 crypto_suite; 1742 enum dpp_public_action_frame_type type; 1743 const u8 *hdr; 1744 unsigned int pkex_t; 1745 1746 if (len < DPP_HDR_LEN) 1747 return; 1748 if (WPA_GET_BE24(buf) != OUI_WFA || buf[3] != DPP_OUI_TYPE) 1749 return; 1750 hdr = buf; 1751 buf += 4; 1752 len -= 4; 1753 crypto_suite = *buf++; 1754 type = *buf++; 1755 len -= 2; 1756 1757 wpa_printf(MSG_DEBUG, 1758 "DPP: Received DPP Public Action frame crypto suite %u type %d from " 1759 MACSTR " freq=%u", 1760 crypto_suite, type, MAC2STR(src), freq); 1761 if (crypto_suite != 1) { 1762 wpa_printf(MSG_DEBUG, "DPP: Unsupported crypto suite %u", 1763 crypto_suite); 1764 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR 1765 " freq=%u type=%d ignore=unsupported-crypto-suite", 1766 MAC2STR(src), freq, type); 1767 return; 1768 } 1769 wpa_hexdump(MSG_MSGDUMP, "DPP: Received message attributes", buf, len); 1770 if (dpp_check_attrs(buf, len) < 0) { 1771 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR 1772 " freq=%u type=%d ignore=invalid-attributes", 1773 MAC2STR(src), freq, type); 1774 return; 1775 } 1776 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR " freq=%u type=%d", 1777 MAC2STR(src), freq, type); 1778 1779 switch (type) { 1780 case DPP_PA_AUTHENTICATION_REQ: 1781 wpas_dpp_rx_auth_req(wpa_s, src, hdr, buf, len, freq); 1782 break; 1783 case DPP_PA_AUTHENTICATION_RESP: 1784 wpas_dpp_rx_auth_resp(wpa_s, src, hdr, buf, len, freq); 1785 break; 1786 case DPP_PA_AUTHENTICATION_CONF: 1787 wpas_dpp_rx_auth_conf(wpa_s, src, hdr, buf, len); 1788 break; 1789 case DPP_PA_PEER_DISCOVERY_RESP: 1790 wpas_dpp_rx_peer_disc_resp(wpa_s, src, buf, len); 1791 break; 1792 case DPP_PA_PKEX_EXCHANGE_REQ: 1793 wpas_dpp_rx_pkex_exchange_req(wpa_s, src, buf, len, freq); 1794 break; 1795 case DPP_PA_PKEX_EXCHANGE_RESP: 1796 wpas_dpp_rx_pkex_exchange_resp(wpa_s, src, buf, len, freq); 1797 break; 1798 case DPP_PA_PKEX_COMMIT_REVEAL_REQ: 1799 wpas_dpp_rx_pkex_commit_reveal_req(wpa_s, src, hdr, buf, len, 1800 freq); 1801 break; 1802 case DPP_PA_PKEX_COMMIT_REVEAL_RESP: 1803 wpas_dpp_rx_pkex_commit_reveal_resp(wpa_s, src, hdr, buf, len, 1804 freq); 1805 break; 1806 #ifdef CONFIG_DPP2 1807 case DPP_PA_CONFIGURATION_RESULT: 1808 wpas_dpp_rx_conf_result(wpa_s, src, hdr, buf, len); 1809 break; 1810 #endif /* CONFIG_DPP2 */ 1811 default: 1812 wpa_printf(MSG_DEBUG, 1813 "DPP: Ignored unsupported frame subtype %d", type); 1814 break; 1815 } 1816 1817 if (wpa_s->dpp_pkex) 1818 pkex_t = wpa_s->dpp_pkex->t; 1819 else if (wpa_s->dpp_pkex_bi) 1820 pkex_t = wpa_s->dpp_pkex_bi->pkex_t; 1821 else 1822 pkex_t = 0; 1823 if (pkex_t >= PKEX_COUNTER_T_LIMIT) { 1824 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PKEX_T_LIMIT "id=0"); 1825 wpas_dpp_pkex_remove(wpa_s, "*"); 1826 } 1827 } 1828 1829 1830 static struct wpabuf * 1831 wpas_dpp_gas_req_handler(void *ctx, const u8 *sa, const u8 *query, 1832 size_t query_len) 1833 { 1834 struct wpa_supplicant *wpa_s = ctx; 1835 struct dpp_authentication *auth = wpa_s->dpp_auth; 1836 struct wpabuf *resp; 1837 1838 wpa_printf(MSG_DEBUG, "DPP: GAS request from " MACSTR, 1839 MAC2STR(sa)); 1840 if (!auth || !auth->auth_success || 1841 os_memcmp(sa, auth->peer_mac_addr, ETH_ALEN) != 0) { 1842 wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress"); 1843 return NULL; 1844 } 1845 wpa_hexdump(MSG_DEBUG, 1846 "DPP: Received Configuration Request (GAS Query Request)", 1847 query, query_len); 1848 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_REQ_RX "src=" MACSTR, 1849 MAC2STR(sa)); 1850 resp = dpp_conf_req_rx(auth, query, query_len); 1851 if (!resp) 1852 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); 1853 auth->conf_resp = resp; 1854 return resp; 1855 } 1856 1857 1858 static void 1859 wpas_dpp_gas_status_handler(void *ctx, struct wpabuf *resp, int ok) 1860 { 1861 struct wpa_supplicant *wpa_s = ctx; 1862 struct dpp_authentication *auth = wpa_s->dpp_auth; 1863 1864 if (!auth) { 1865 wpabuf_free(resp); 1866 return; 1867 } 1868 if (auth->conf_resp != resp) { 1869 wpa_printf(MSG_DEBUG, 1870 "DPP: Ignore GAS status report (ok=%d) for unknown response", 1871 ok); 1872 wpabuf_free(resp); 1873 return; 1874 } 1875 1876 wpa_printf(MSG_DEBUG, "DPP: Configuration exchange completed (ok=%d)", 1877 ok); 1878 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); 1879 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); 1880 #ifdef CONFIG_DPP2 1881 if (ok && auth->peer_version >= 2 && 1882 auth->conf_resp_status == DPP_STATUS_OK) { 1883 wpa_printf(MSG_DEBUG, "DPP: Wait for Configuration Result"); 1884 auth->waiting_conf_result = 1; 1885 auth->conf_resp = NULL; 1886 wpabuf_free(resp); 1887 eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, 1888 wpa_s, NULL); 1889 eloop_register_timeout(2, 0, 1890 wpas_dpp_config_result_wait_timeout, 1891 wpa_s, NULL); 1892 return; 1893 } 1894 #endif /* CONFIG_DPP2 */ 1895 offchannel_send_action_done(wpa_s); 1896 wpas_dpp_listen_stop(wpa_s); 1897 if (ok) 1898 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_SENT); 1899 else 1900 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED); 1901 dpp_auth_deinit(wpa_s->dpp_auth); 1902 wpa_s->dpp_auth = NULL; 1903 wpabuf_free(resp); 1904 } 1905 1906 1907 int wpas_dpp_configurator_sign(struct wpa_supplicant *wpa_s, const char *cmd) 1908 { 1909 struct dpp_authentication *auth; 1910 int ret = -1; 1911 char *curve = NULL; 1912 1913 auth = os_zalloc(sizeof(*auth)); 1914 if (!auth) 1915 return -1; 1916 1917 curve = get_param(cmd, " curve="); 1918 wpas_dpp_set_testing_options(wpa_s, auth); 1919 if (dpp_set_configurator(wpa_s->dpp, wpa_s, auth, cmd) == 0 && 1920 dpp_configurator_own_config(auth, curve, 0) == 0) 1921 ret = wpas_dpp_handle_config_obj(wpa_s, auth); 1922 1923 dpp_auth_deinit(auth); 1924 os_free(curve); 1925 1926 return ret; 1927 } 1928 1929 1930 static void 1931 wpas_dpp_tx_introduction_status(struct wpa_supplicant *wpa_s, 1932 unsigned int freq, const u8 *dst, 1933 const u8 *src, const u8 *bssid, 1934 const u8 *data, size_t data_len, 1935 enum offchannel_send_action_result result) 1936 { 1937 const char *res_txt; 1938 1939 res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" : 1940 (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" : 1941 "FAILED"); 1942 wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR 1943 " result=%s (DPP Peer Discovery Request)", 1944 freq, MAC2STR(dst), res_txt); 1945 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR 1946 " freq=%u result=%s", MAC2STR(dst), freq, res_txt); 1947 /* TODO: Time out wait for response more quickly in error cases? */ 1948 } 1949 1950 1951 int wpas_dpp_check_connect(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, 1952 struct wpa_bss *bss) 1953 { 1954 struct os_time now; 1955 struct wpabuf *msg; 1956 unsigned int wait_time; 1957 const u8 *rsn; 1958 struct wpa_ie_data ied; 1959 1960 if (!(ssid->key_mgmt & WPA_KEY_MGMT_DPP) || !bss) 1961 return 0; /* Not using DPP AKM - continue */ 1962 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1963 if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ied) == 0 && 1964 !(ied.key_mgmt & WPA_KEY_MGMT_DPP)) 1965 return 0; /* AP does not support DPP AKM - continue */ 1966 if (wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid)) 1967 return 0; /* PMKSA exists for DPP AKM - continue */ 1968 1969 if (!ssid->dpp_connector || !ssid->dpp_netaccesskey || 1970 !ssid->dpp_csign) { 1971 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR 1972 "missing %s", 1973 !ssid->dpp_connector ? "Connector" : 1974 (!ssid->dpp_netaccesskey ? "netAccessKey" : 1975 "C-sign-key")); 1976 return -1; 1977 } 1978 1979 os_get_time(&now); 1980 1981 if (ssid->dpp_netaccesskey_expiry && 1982 (os_time_t) ssid->dpp_netaccesskey_expiry < now.sec) { 1983 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR 1984 "netAccessKey expired"); 1985 return -1; 1986 } 1987 1988 wpa_printf(MSG_DEBUG, 1989 "DPP: Starting network introduction protocol to derive PMKSA for " 1990 MACSTR, MAC2STR(bss->bssid)); 1991 1992 msg = dpp_alloc_msg(DPP_PA_PEER_DISCOVERY_REQ, 1993 5 + 4 + os_strlen(ssid->dpp_connector)); 1994 if (!msg) 1995 return -1; 1996 1997 #ifdef CONFIG_TESTING_OPTIONS 1998 if (dpp_test == DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ) { 1999 wpa_printf(MSG_INFO, "DPP: TESTING - no Transaction ID"); 2000 goto skip_trans_id; 2001 } 2002 if (dpp_test == DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ) { 2003 wpa_printf(MSG_INFO, "DPP: TESTING - invalid Transaction ID"); 2004 wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID); 2005 wpabuf_put_le16(msg, 0); 2006 goto skip_trans_id; 2007 } 2008 #endif /* CONFIG_TESTING_OPTIONS */ 2009 2010 /* Transaction ID */ 2011 wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID); 2012 wpabuf_put_le16(msg, 1); 2013 wpabuf_put_u8(msg, TRANSACTION_ID); 2014 2015 #ifdef CONFIG_TESTING_OPTIONS 2016 skip_trans_id: 2017 if (dpp_test == DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ) { 2018 wpa_printf(MSG_INFO, "DPP: TESTING - no Connector"); 2019 goto skip_connector; 2020 } 2021 if (dpp_test == DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ) { 2022 char *connector; 2023 2024 wpa_printf(MSG_INFO, "DPP: TESTING - invalid Connector"); 2025 connector = dpp_corrupt_connector_signature( 2026 ssid->dpp_connector); 2027 if (!connector) { 2028 wpabuf_free(msg); 2029 return -1; 2030 } 2031 wpabuf_put_le16(msg, DPP_ATTR_CONNECTOR); 2032 wpabuf_put_le16(msg, os_strlen(connector)); 2033 wpabuf_put_str(msg, connector); 2034 os_free(connector); 2035 goto skip_connector; 2036 } 2037 #endif /* CONFIG_TESTING_OPTIONS */ 2038 2039 /* DPP Connector */ 2040 wpabuf_put_le16(msg, DPP_ATTR_CONNECTOR); 2041 wpabuf_put_le16(msg, os_strlen(ssid->dpp_connector)); 2042 wpabuf_put_str(msg, ssid->dpp_connector); 2043 2044 #ifdef CONFIG_TESTING_OPTIONS 2045 skip_connector: 2046 #endif /* CONFIG_TESTING_OPTIONS */ 2047 2048 /* TODO: Timeout on AP response */ 2049 wait_time = wpa_s->max_remain_on_chan; 2050 if (wait_time > 2000) 2051 wait_time = 2000; 2052 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d", 2053 MAC2STR(bss->bssid), bss->freq, DPP_PA_PEER_DISCOVERY_REQ); 2054 offchannel_send_action(wpa_s, bss->freq, bss->bssid, wpa_s->own_addr, 2055 broadcast, 2056 wpabuf_head(msg), wpabuf_len(msg), 2057 wait_time, wpas_dpp_tx_introduction_status, 0); 2058 wpabuf_free(msg); 2059 2060 /* Request this connection attempt to terminate - new one will be 2061 * started when network introduction protocol completes */ 2062 os_memcpy(wpa_s->dpp_intro_bssid, bss->bssid, ETH_ALEN); 2063 wpa_s->dpp_intro_network = ssid; 2064 return 1; 2065 } 2066 2067 2068 int wpas_dpp_pkex_add(struct wpa_supplicant *wpa_s, const char *cmd) 2069 { 2070 struct dpp_bootstrap_info *own_bi; 2071 const char *pos, *end; 2072 unsigned int wait_time; 2073 2074 pos = os_strstr(cmd, " own="); 2075 if (!pos) 2076 return -1; 2077 pos += 5; 2078 own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos)); 2079 if (!own_bi) { 2080 wpa_printf(MSG_DEBUG, 2081 "DPP: Identified bootstrap info not found"); 2082 return -1; 2083 } 2084 if (own_bi->type != DPP_BOOTSTRAP_PKEX) { 2085 wpa_printf(MSG_DEBUG, 2086 "DPP: Identified bootstrap info not for PKEX"); 2087 return -1; 2088 } 2089 wpa_s->dpp_pkex_bi = own_bi; 2090 own_bi->pkex_t = 0; /* clear pending errors on new code */ 2091 2092 os_free(wpa_s->dpp_pkex_identifier); 2093 wpa_s->dpp_pkex_identifier = NULL; 2094 pos = os_strstr(cmd, " identifier="); 2095 if (pos) { 2096 pos += 12; 2097 end = os_strchr(pos, ' '); 2098 if (!end) 2099 return -1; 2100 wpa_s->dpp_pkex_identifier = os_malloc(end - pos + 1); 2101 if (!wpa_s->dpp_pkex_identifier) 2102 return -1; 2103 os_memcpy(wpa_s->dpp_pkex_identifier, pos, end - pos); 2104 wpa_s->dpp_pkex_identifier[end - pos] = '\0'; 2105 } 2106 2107 pos = os_strstr(cmd, " code="); 2108 if (!pos) 2109 return -1; 2110 os_free(wpa_s->dpp_pkex_code); 2111 wpa_s->dpp_pkex_code = os_strdup(pos + 6); 2112 if (!wpa_s->dpp_pkex_code) 2113 return -1; 2114 2115 if (os_strstr(cmd, " init=1")) { 2116 struct dpp_pkex *pkex; 2117 struct wpabuf *msg; 2118 2119 wpa_printf(MSG_DEBUG, "DPP: Initiating PKEX"); 2120 dpp_pkex_free(wpa_s->dpp_pkex); 2121 wpa_s->dpp_pkex = dpp_pkex_init(wpa_s, own_bi, wpa_s->own_addr, 2122 wpa_s->dpp_pkex_identifier, 2123 wpa_s->dpp_pkex_code); 2124 pkex = wpa_s->dpp_pkex; 2125 if (!pkex) 2126 return -1; 2127 2128 msg = pkex->exchange_req; 2129 wait_time = wpa_s->max_remain_on_chan; 2130 if (wait_time > 2000) 2131 wait_time = 2000; 2132 pkex->freq = 2437; 2133 wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR 2134 " freq=%u type=%d", 2135 MAC2STR(broadcast), pkex->freq, 2136 DPP_PA_PKEX_EXCHANGE_REQ); 2137 offchannel_send_action(wpa_s, pkex->freq, broadcast, 2138 wpa_s->own_addr, broadcast, 2139 wpabuf_head(msg), wpabuf_len(msg), 2140 wait_time, wpas_dpp_tx_pkex_status, 0); 2141 if (wait_time == 0) 2142 wait_time = 2000; 2143 pkex->exch_req_wait_time = wait_time; 2144 pkex->exch_req_tries = 1; 2145 } 2146 2147 /* TODO: Support multiple PKEX info entries */ 2148 2149 os_free(wpa_s->dpp_pkex_auth_cmd); 2150 wpa_s->dpp_pkex_auth_cmd = os_strdup(cmd); 2151 2152 return 1; 2153 } 2154 2155 2156 int wpas_dpp_pkex_remove(struct wpa_supplicant *wpa_s, const char *id) 2157 { 2158 unsigned int id_val; 2159 2160 if (os_strcmp(id, "*") == 0) { 2161 id_val = 0; 2162 } else { 2163 id_val = atoi(id); 2164 if (id_val == 0) 2165 return -1; 2166 } 2167 2168 if ((id_val != 0 && id_val != 1) || !wpa_s->dpp_pkex_code) 2169 return -1; 2170 2171 /* TODO: Support multiple PKEX entries */ 2172 os_free(wpa_s->dpp_pkex_code); 2173 wpa_s->dpp_pkex_code = NULL; 2174 os_free(wpa_s->dpp_pkex_identifier); 2175 wpa_s->dpp_pkex_identifier = NULL; 2176 os_free(wpa_s->dpp_pkex_auth_cmd); 2177 wpa_s->dpp_pkex_auth_cmd = NULL; 2178 wpa_s->dpp_pkex_bi = NULL; 2179 /* TODO: Remove dpp_pkex only if it is for the identified PKEX code */ 2180 dpp_pkex_free(wpa_s->dpp_pkex); 2181 wpa_s->dpp_pkex = NULL; 2182 return 0; 2183 } 2184 2185 2186 void wpas_dpp_stop(struct wpa_supplicant *wpa_s) 2187 { 2188 dpp_auth_deinit(wpa_s->dpp_auth); 2189 wpa_s->dpp_auth = NULL; 2190 dpp_pkex_free(wpa_s->dpp_pkex); 2191 wpa_s->dpp_pkex = NULL; 2192 if (wpa_s->dpp_gas_client && wpa_s->dpp_gas_dialog_token >= 0) 2193 gas_query_stop(wpa_s->gas, wpa_s->dpp_gas_dialog_token); 2194 } 2195 2196 2197 int wpas_dpp_init(struct wpa_supplicant *wpa_s) 2198 { 2199 u8 adv_proto_id[7]; 2200 2201 adv_proto_id[0] = WLAN_EID_VENDOR_SPECIFIC; 2202 adv_proto_id[1] = 5; 2203 WPA_PUT_BE24(&adv_proto_id[2], OUI_WFA); 2204 adv_proto_id[5] = DPP_OUI_TYPE; 2205 adv_proto_id[6] = 0x01; 2206 2207 if (gas_server_register(wpa_s->gas_server, adv_proto_id, 2208 sizeof(adv_proto_id), wpas_dpp_gas_req_handler, 2209 wpas_dpp_gas_status_handler, wpa_s) < 0) 2210 return -1; 2211 wpa_s->dpp = dpp_global_init(); 2212 return wpa_s->dpp ? 0 : -1; 2213 } 2214 2215 2216 void wpas_dpp_deinit(struct wpa_supplicant *wpa_s) 2217 { 2218 #ifdef CONFIG_TESTING_OPTIONS 2219 os_free(wpa_s->dpp_config_obj_override); 2220 wpa_s->dpp_config_obj_override = NULL; 2221 os_free(wpa_s->dpp_discovery_override); 2222 wpa_s->dpp_discovery_override = NULL; 2223 os_free(wpa_s->dpp_groups_override); 2224 wpa_s->dpp_groups_override = NULL; 2225 wpa_s->dpp_ignore_netaccesskey_mismatch = 0; 2226 #endif /* CONFIG_TESTING_OPTIONS */ 2227 if (!wpa_s->dpp) 2228 return; 2229 dpp_global_clear(wpa_s->dpp); 2230 eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL); 2231 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL); 2232 eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL); 2233 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL); 2234 #ifdef CONFIG_DPP2 2235 eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, wpa_s, NULL); 2236 dpp_pfs_free(wpa_s->dpp_pfs); 2237 wpa_s->dpp_pfs = NULL; 2238 #endif /* CONFIG_DPP2 */ 2239 offchannel_send_action_done(wpa_s); 2240 wpas_dpp_listen_stop(wpa_s); 2241 wpas_dpp_stop(wpa_s); 2242 wpas_dpp_pkex_remove(wpa_s, "*"); 2243 os_memset(wpa_s->dpp_intro_bssid, 0, ETH_ALEN); 2244 os_free(wpa_s->dpp_configurator_params); 2245 wpa_s->dpp_configurator_params = NULL; 2246 } 2247