1 /* 2 * WPA Supplicant - privilege separated driver interface 3 * Copyright (c) 2007-2009, Jouni Malinen <j (at) w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "includes.h" 10 #include <sys/un.h> 11 12 #include "common.h" 13 #include "driver.h" 14 #include "eloop.h" 15 #include "common/privsep_commands.h" 16 17 18 struct wpa_driver_privsep_data { 19 void *ctx; 20 u8 own_addr[ETH_ALEN]; 21 int priv_socket; 22 char *own_socket_path; 23 int cmd_socket; 24 char *own_cmd_path; 25 struct sockaddr_un priv_addr; 26 char ifname[16]; 27 }; 28 29 30 static int wpa_priv_reg_cmd(struct wpa_driver_privsep_data *drv, int cmd) 31 { 32 int res; 33 34 res = sendto(drv->priv_socket, &cmd, sizeof(cmd), 0, 35 (struct sockaddr *) &drv->priv_addr, 36 sizeof(drv->priv_addr)); 37 if (res < 0) 38 wpa_printf(MSG_ERROR, "sendto: %s", strerror(errno)); 39 return res < 0 ? -1 : 0; 40 } 41 42 43 static int wpa_priv_cmd(struct wpa_driver_privsep_data *drv, int cmd, 44 const void *data, size_t data_len, 45 void *reply, size_t *reply_len) 46 { 47 struct msghdr msg; 48 struct iovec io[2]; 49 50 io[0].iov_base = &cmd; 51 io[0].iov_len = sizeof(cmd); 52 io[1].iov_base = (u8 *) data; 53 io[1].iov_len = data_len; 54 55 os_memset(&msg, 0, sizeof(msg)); 56 msg.msg_iov = io; 57 msg.msg_iovlen = data ? 2 : 1; 58 msg.msg_name = &drv->priv_addr; 59 msg.msg_namelen = sizeof(drv->priv_addr); 60 61 if (sendmsg(drv->cmd_socket, &msg, 0) < 0) { 62 wpa_printf(MSG_ERROR, "sendmsg(cmd_socket): %s", 63 strerror(errno)); 64 return -1; 65 } 66 67 if (reply) { 68 fd_set rfds; 69 struct timeval tv; 70 int res; 71 72 FD_ZERO(&rfds); 73 FD_SET(drv->cmd_socket, &rfds); 74 tv.tv_sec = 5; 75 tv.tv_usec = 0; 76 res = select(drv->cmd_socket + 1, &rfds, NULL, NULL, &tv); 77 if (res < 0 && errno != EINTR) { 78 wpa_printf(MSG_ERROR, "select: %s", strerror(errno)); 79 return -1; 80 } 81 82 if (FD_ISSET(drv->cmd_socket, &rfds)) { 83 res = recv(drv->cmd_socket, reply, *reply_len, 0); 84 if (res < 0) { 85 wpa_printf(MSG_ERROR, "recv: %s", 86 strerror(errno)); 87 return -1; 88 } 89 *reply_len = res; 90 } else { 91 wpa_printf(MSG_DEBUG, "PRIVSEP: Timeout while waiting " 92 "for reply (cmd=%d)", cmd); 93 return -1; 94 } 95 } 96 97 return 0; 98 } 99 100 101 static int wpa_driver_privsep_scan(void *priv, 102 struct wpa_driver_scan_params *params) 103 { 104 struct wpa_driver_privsep_data *drv = priv; 105 const u8 *ssid = params->ssids[0].ssid; 106 size_t ssid_len = params->ssids[0].ssid_len; 107 wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv); 108 return wpa_priv_cmd(drv, PRIVSEP_CMD_SCAN, ssid, ssid_len, 109 NULL, NULL); 110 } 111 112 113 static struct wpa_scan_results * 114 wpa_driver_privsep_get_scan_results2(void *priv) 115 { 116 struct wpa_driver_privsep_data *drv = priv; 117 int res, num; 118 u8 *buf, *pos, *end; 119 size_t reply_len = 60000; 120 struct wpa_scan_results *results; 121 struct wpa_scan_res *r; 122 123 buf = os_malloc(reply_len); 124 if (buf == NULL) 125 return NULL; 126 res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_SCAN_RESULTS, 127 NULL, 0, buf, &reply_len); 128 if (res < 0) { 129 os_free(buf); 130 return NULL; 131 } 132 133 wpa_printf(MSG_DEBUG, "privsep: Received %lu bytes of scan results", 134 (unsigned long) reply_len); 135 if (reply_len < sizeof(int)) { 136 wpa_printf(MSG_DEBUG, "privsep: Invalid scan result len %lu", 137 (unsigned long) reply_len); 138 os_free(buf); 139 return NULL; 140 } 141 142 pos = buf; 143 end = buf + reply_len; 144 os_memcpy(&num, pos, sizeof(int)); 145 if (num < 0 || num > 1000) { 146 os_free(buf); 147 return NULL; 148 } 149 pos += sizeof(int); 150 151 results = os_zalloc(sizeof(*results)); 152 if (results == NULL) { 153 os_free(buf); 154 return NULL; 155 } 156 157 results->res = os_calloc(num, sizeof(struct wpa_scan_res *)); 158 if (results->res == NULL) { 159 os_free(results); 160 os_free(buf); 161 return NULL; 162 } 163 164 while (results->num < (size_t) num && pos + sizeof(int) < end) { 165 int len; 166 os_memcpy(&len, pos, sizeof(int)); 167 pos += sizeof(int); 168 if (len < 0 || len > 10000 || pos + len > end) 169 break; 170 171 r = os_malloc(len); 172 if (r == NULL) 173 break; 174 os_memcpy(r, pos, len); 175 pos += len; 176 if (sizeof(*r) + r->ie_len > (size_t) len) { 177 os_free(r); 178 break; 179 } 180 181 results->res[results->num++] = r; 182 } 183 184 os_free(buf); 185 return results; 186 } 187 188 189 static int wpa_driver_privsep_set_key(const char *ifname, void *priv, 190 enum wpa_alg alg, const u8 *addr, 191 int key_idx, int set_tx, 192 const u8 *seq, size_t seq_len, 193 const u8 *key, size_t key_len) 194 { 195 struct wpa_driver_privsep_data *drv = priv; 196 struct privsep_cmd_set_key cmd; 197 198 wpa_printf(MSG_DEBUG, "%s: priv=%p alg=%d key_idx=%d set_tx=%d", 199 __func__, priv, alg, key_idx, set_tx); 200 201 os_memset(&cmd, 0, sizeof(cmd)); 202 cmd.alg = alg; 203 if (addr) 204 os_memcpy(cmd.addr, addr, ETH_ALEN); 205 else 206 os_memset(cmd.addr, 0xff, ETH_ALEN); 207 cmd.key_idx = key_idx; 208 cmd.set_tx = set_tx; 209 if (seq && seq_len > 0 && seq_len < sizeof(cmd.seq)) { 210 os_memcpy(cmd.seq, seq, seq_len); 211 cmd.seq_len = seq_len; 212 } 213 if (key && key_len > 0 && key_len < sizeof(cmd.key)) { 214 os_memcpy(cmd.key, key, key_len); 215 cmd.key_len = key_len; 216 } 217 218 return wpa_priv_cmd(drv, PRIVSEP_CMD_SET_KEY, &cmd, sizeof(cmd), 219 NULL, NULL); 220 } 221 222 223 static int wpa_driver_privsep_associate( 224 void *priv, struct wpa_driver_associate_params *params) 225 { 226 struct wpa_driver_privsep_data *drv = priv; 227 struct privsep_cmd_associate *data; 228 int res; 229 size_t buflen; 230 231 wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d " 232 "group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d", 233 __func__, priv, params->freq.freq, params->pairwise_suite, 234 params->group_suite, params->key_mgmt_suite, 235 params->auth_alg, params->mode); 236 237 buflen = sizeof(*data) + params->wpa_ie_len; 238 data = os_zalloc(buflen); 239 if (data == NULL) 240 return -1; 241 242 if (params->bssid) 243 os_memcpy(data->bssid, params->bssid, ETH_ALEN); 244 os_memcpy(data->ssid, params->ssid, params->ssid_len); 245 data->ssid_len = params->ssid_len; 246 data->hwmode = params->freq.mode; 247 data->freq = params->freq.freq; 248 data->channel = params->freq.channel; 249 data->pairwise_suite = params->pairwise_suite; 250 data->group_suite = params->group_suite; 251 data->key_mgmt_suite = params->key_mgmt_suite; 252 data->auth_alg = params->auth_alg; 253 data->mode = params->mode; 254 data->wpa_ie_len = params->wpa_ie_len; 255 if (params->wpa_ie) 256 os_memcpy(data + 1, params->wpa_ie, params->wpa_ie_len); 257 /* TODO: add support for other assoc parameters */ 258 259 res = wpa_priv_cmd(drv, PRIVSEP_CMD_ASSOCIATE, data, buflen, 260 NULL, NULL); 261 os_free(data); 262 263 return res; 264 } 265 266 267 static int wpa_driver_privsep_get_bssid(void *priv, u8 *bssid) 268 { 269 struct wpa_driver_privsep_data *drv = priv; 270 int res; 271 size_t len = ETH_ALEN; 272 273 res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_BSSID, NULL, 0, bssid, &len); 274 if (res < 0 || len != ETH_ALEN) 275 return -1; 276 return 0; 277 } 278 279 280 static int wpa_driver_privsep_get_ssid(void *priv, u8 *ssid) 281 { 282 struct wpa_driver_privsep_data *drv = priv; 283 int res, ssid_len; 284 u8 reply[sizeof(int) + SSID_MAX_LEN]; 285 size_t len = sizeof(reply); 286 287 res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_SSID, NULL, 0, reply, &len); 288 if (res < 0 || len < sizeof(int)) 289 return -1; 290 os_memcpy(&ssid_len, reply, sizeof(int)); 291 if (ssid_len < 0 || ssid_len > SSID_MAX_LEN || 292 sizeof(int) + ssid_len > len) { 293 wpa_printf(MSG_DEBUG, "privsep: Invalid get SSID reply"); 294 return -1; 295 } 296 os_memcpy(ssid, &reply[sizeof(int)], ssid_len); 297 return ssid_len; 298 } 299 300 301 static int wpa_driver_privsep_deauthenticate(void *priv, const u8 *addr, 302 int reason_code) 303 { 304 //struct wpa_driver_privsep_data *drv = priv; 305 wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d", 306 __func__, MAC2STR(addr), reason_code); 307 wpa_printf(MSG_DEBUG, "%s - TODO", __func__); 308 return 0; 309 } 310 311 312 static void wpa_driver_privsep_event_assoc(void *ctx, 313 enum wpa_event_type event, 314 u8 *buf, size_t len) 315 { 316 union wpa_event_data data; 317 int inc_data = 0; 318 u8 *pos, *end; 319 int ie_len; 320 321 os_memset(&data, 0, sizeof(data)); 322 323 pos = buf; 324 end = buf + len; 325 326 if (end - pos < (int) sizeof(int)) 327 return; 328 os_memcpy(&ie_len, pos, sizeof(int)); 329 pos += sizeof(int); 330 if (ie_len < 0 || ie_len > end - pos) 331 return; 332 if (ie_len) { 333 data.assoc_info.req_ies = pos; 334 data.assoc_info.req_ies_len = ie_len; 335 pos += ie_len; 336 inc_data = 1; 337 } 338 339 wpa_supplicant_event(ctx, event, inc_data ? &data : NULL); 340 } 341 342 343 static void wpa_driver_privsep_event_interface_status(void *ctx, u8 *buf, 344 size_t len) 345 { 346 union wpa_event_data data; 347 int ievent; 348 349 if (len < sizeof(int) || 350 len - sizeof(int) > sizeof(data.interface_status.ifname)) 351 return; 352 353 os_memcpy(&ievent, buf, sizeof(int)); 354 355 os_memset(&data, 0, sizeof(data)); 356 data.interface_status.ievent = ievent; 357 os_memcpy(data.interface_status.ifname, buf + sizeof(int), 358 len - sizeof(int)); 359 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &data); 360 } 361 362 363 static void wpa_driver_privsep_event_michael_mic_failure( 364 void *ctx, u8 *buf, size_t len) 365 { 366 union wpa_event_data data; 367 368 if (len != sizeof(int)) 369 return; 370 371 os_memset(&data, 0, sizeof(data)); 372 os_memcpy(&data.michael_mic_failure.unicast, buf, sizeof(int)); 373 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data); 374 } 375 376 377 static void wpa_driver_privsep_event_pmkid_candidate(void *ctx, u8 *buf, 378 size_t len) 379 { 380 union wpa_event_data data; 381 382 if (len != sizeof(struct pmkid_candidate)) 383 return; 384 385 os_memset(&data, 0, sizeof(data)); 386 os_memcpy(&data.pmkid_candidate, buf, len); 387 wpa_supplicant_event(ctx, EVENT_PMKID_CANDIDATE, &data); 388 } 389 390 391 static void wpa_driver_privsep_event_stkstart(void *ctx, u8 *buf, size_t len) 392 { 393 union wpa_event_data data; 394 395 if (len != ETH_ALEN) 396 return; 397 398 os_memset(&data, 0, sizeof(data)); 399 os_memcpy(data.stkstart.peer, buf, ETH_ALEN); 400 wpa_supplicant_event(ctx, EVENT_STKSTART, &data); 401 } 402 403 404 static void wpa_driver_privsep_event_ft_response(void *ctx, u8 *buf, 405 size_t len) 406 { 407 union wpa_event_data data; 408 409 if (len < sizeof(int) + ETH_ALEN) 410 return; 411 412 os_memset(&data, 0, sizeof(data)); 413 os_memcpy(&data.ft_ies.ft_action, buf, sizeof(int)); 414 os_memcpy(data.ft_ies.target_ap, buf + sizeof(int), ETH_ALEN); 415 data.ft_ies.ies = buf + sizeof(int) + ETH_ALEN; 416 data.ft_ies.ies_len = len - sizeof(int) - ETH_ALEN; 417 wpa_supplicant_event(ctx, EVENT_FT_RESPONSE, &data); 418 } 419 420 421 static void wpa_driver_privsep_event_rx_eapol(void *ctx, u8 *buf, size_t len) 422 { 423 if (len < ETH_ALEN) 424 return; 425 drv_event_eapol_rx(ctx, buf, buf + ETH_ALEN, len - ETH_ALEN); 426 } 427 428 429 static void wpa_driver_privsep_receive(int sock, void *eloop_ctx, 430 void *sock_ctx) 431 { 432 struct wpa_driver_privsep_data *drv = eloop_ctx; 433 u8 *buf, *event_buf; 434 size_t event_len; 435 int res, event; 436 enum privsep_event e; 437 struct sockaddr_un from; 438 socklen_t fromlen = sizeof(from); 439 const size_t buflen = 2000; 440 441 buf = os_malloc(buflen); 442 if (buf == NULL) 443 return; 444 res = recvfrom(sock, buf, buflen, 0, 445 (struct sockaddr *) &from, &fromlen); 446 if (res < 0) { 447 wpa_printf(MSG_ERROR, "recvfrom(priv_socket): %s", 448 strerror(errno)); 449 os_free(buf); 450 return; 451 } 452 453 wpa_printf(MSG_DEBUG, "privsep_driver: received %u bytes", res); 454 455 if (res < (int) sizeof(int)) { 456 wpa_printf(MSG_DEBUG, "Too short event message (len=%d)", res); 457 return; 458 } 459 460 os_memcpy(&event, buf, sizeof(int)); 461 event_buf = &buf[sizeof(int)]; 462 event_len = res - sizeof(int); 463 wpa_printf(MSG_DEBUG, "privsep: Event %d received (len=%lu)", 464 event, (unsigned long) event_len); 465 466 e = event; 467 switch (e) { 468 case PRIVSEP_EVENT_SCAN_RESULTS: 469 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, NULL); 470 break; 471 case PRIVSEP_EVENT_ASSOC: 472 wpa_driver_privsep_event_assoc(drv->ctx, EVENT_ASSOC, 473 event_buf, event_len); 474 break; 475 case PRIVSEP_EVENT_DISASSOC: 476 wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL); 477 break; 478 case PRIVSEP_EVENT_ASSOCINFO: 479 wpa_driver_privsep_event_assoc(drv->ctx, EVENT_ASSOCINFO, 480 event_buf, event_len); 481 break; 482 case PRIVSEP_EVENT_MICHAEL_MIC_FAILURE: 483 wpa_driver_privsep_event_michael_mic_failure( 484 drv->ctx, event_buf, event_len); 485 break; 486 case PRIVSEP_EVENT_INTERFACE_STATUS: 487 wpa_driver_privsep_event_interface_status(drv->ctx, event_buf, 488 event_len); 489 break; 490 case PRIVSEP_EVENT_PMKID_CANDIDATE: 491 wpa_driver_privsep_event_pmkid_candidate(drv->ctx, event_buf, 492 event_len); 493 break; 494 case PRIVSEP_EVENT_STKSTART: 495 wpa_driver_privsep_event_stkstart(drv->ctx, event_buf, 496 event_len); 497 break; 498 case PRIVSEP_EVENT_FT_RESPONSE: 499 wpa_driver_privsep_event_ft_response(drv->ctx, event_buf, 500 event_len); 501 break; 502 case PRIVSEP_EVENT_RX_EAPOL: 503 wpa_driver_privsep_event_rx_eapol(drv->ctx, event_buf, 504 event_len); 505 break; 506 } 507 508 os_free(buf); 509 } 510 511 512 static void * wpa_driver_privsep_init(void *ctx, const char *ifname) 513 { 514 struct wpa_driver_privsep_data *drv; 515 516 drv = os_zalloc(sizeof(*drv)); 517 if (drv == NULL) 518 return NULL; 519 drv->ctx = ctx; 520 drv->priv_socket = -1; 521 drv->cmd_socket = -1; 522 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname)); 523 524 return drv; 525 } 526 527 528 static void wpa_driver_privsep_deinit(void *priv) 529 { 530 struct wpa_driver_privsep_data *drv = priv; 531 532 if (drv->priv_socket >= 0) { 533 wpa_priv_reg_cmd(drv, PRIVSEP_CMD_UNREGISTER); 534 eloop_unregister_read_sock(drv->priv_socket); 535 close(drv->priv_socket); 536 } 537 538 if (drv->own_socket_path) { 539 unlink(drv->own_socket_path); 540 os_free(drv->own_socket_path); 541 } 542 543 if (drv->cmd_socket >= 0) { 544 eloop_unregister_read_sock(drv->cmd_socket); 545 close(drv->cmd_socket); 546 } 547 548 if (drv->own_cmd_path) { 549 unlink(drv->own_cmd_path); 550 os_free(drv->own_cmd_path); 551 } 552 553 os_free(drv); 554 } 555 556 557 static int wpa_driver_privsep_set_param(void *priv, const char *param) 558 { 559 struct wpa_driver_privsep_data *drv = priv; 560 const char *pos; 561 char *own_dir, *priv_dir; 562 static unsigned int counter = 0; 563 size_t len; 564 struct sockaddr_un addr; 565 566 wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param); 567 if (param == NULL) 568 pos = NULL; 569 else 570 pos = os_strstr(param, "own_dir="); 571 if (pos) { 572 char *end; 573 own_dir = os_strdup(pos + 8); 574 if (own_dir == NULL) 575 return -1; 576 end = os_strchr(own_dir, ' '); 577 if (end) 578 *end = '\0'; 579 } else { 580 own_dir = os_strdup("/tmp"); 581 if (own_dir == NULL) 582 return -1; 583 } 584 585 if (param == NULL) 586 pos = NULL; 587 else 588 pos = os_strstr(param, "priv_dir="); 589 if (pos) { 590 char *end; 591 priv_dir = os_strdup(pos + 9); 592 if (priv_dir == NULL) { 593 os_free(own_dir); 594 return -1; 595 } 596 end = os_strchr(priv_dir, ' '); 597 if (end) 598 *end = '\0'; 599 } else { 600 priv_dir = os_strdup("/var/run/wpa_priv"); 601 if (priv_dir == NULL) { 602 os_free(own_dir); 603 return -1; 604 } 605 } 606 607 len = os_strlen(own_dir) + 50; 608 drv->own_socket_path = os_malloc(len); 609 if (drv->own_socket_path == NULL) { 610 os_free(priv_dir); 611 os_free(own_dir); 612 return -1; 613 } 614 os_snprintf(drv->own_socket_path, len, "%s/wpa_privsep-%d-%d", 615 own_dir, getpid(), counter++); 616 617 len = os_strlen(own_dir) + 50; 618 drv->own_cmd_path = os_malloc(len); 619 if (drv->own_cmd_path == NULL) { 620 os_free(drv->own_socket_path); 621 drv->own_socket_path = NULL; 622 os_free(priv_dir); 623 os_free(own_dir); 624 return -1; 625 } 626 os_snprintf(drv->own_cmd_path, len, "%s/wpa_privsep-%d-%d", 627 own_dir, getpid(), counter++); 628 629 os_free(own_dir); 630 631 drv->priv_addr.sun_family = AF_UNIX; 632 os_snprintf(drv->priv_addr.sun_path, sizeof(drv->priv_addr.sun_path), 633 "%s/%s", priv_dir, drv->ifname); 634 os_free(priv_dir); 635 636 drv->priv_socket = socket(PF_UNIX, SOCK_DGRAM, 0); 637 if (drv->priv_socket < 0) { 638 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno)); 639 os_free(drv->own_socket_path); 640 drv->own_socket_path = NULL; 641 return -1; 642 } 643 644 os_memset(&addr, 0, sizeof(addr)); 645 addr.sun_family = AF_UNIX; 646 os_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path)); 647 if (bind(drv->priv_socket, (struct sockaddr *) &addr, sizeof(addr)) < 648 0) { 649 wpa_printf(MSG_ERROR, 650 "privsep-set-params priv-sock: bind(PF_UNIX): %s", 651 strerror(errno)); 652 close(drv->priv_socket); 653 drv->priv_socket = -1; 654 unlink(drv->own_socket_path); 655 os_free(drv->own_socket_path); 656 drv->own_socket_path = NULL; 657 return -1; 658 } 659 660 eloop_register_read_sock(drv->priv_socket, wpa_driver_privsep_receive, 661 drv, NULL); 662 663 drv->cmd_socket = socket(PF_UNIX, SOCK_DGRAM, 0); 664 if (drv->cmd_socket < 0) { 665 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno)); 666 os_free(drv->own_cmd_path); 667 drv->own_cmd_path = NULL; 668 return -1; 669 } 670 671 os_memset(&addr, 0, sizeof(addr)); 672 addr.sun_family = AF_UNIX; 673 os_strlcpy(addr.sun_path, drv->own_cmd_path, sizeof(addr.sun_path)); 674 if (bind(drv->cmd_socket, (struct sockaddr *) &addr, sizeof(addr)) < 0) 675 { 676 wpa_printf(MSG_ERROR, 677 "privsep-set-params cmd-sock: bind(PF_UNIX): %s", 678 strerror(errno)); 679 close(drv->cmd_socket); 680 drv->cmd_socket = -1; 681 unlink(drv->own_cmd_path); 682 os_free(drv->own_cmd_path); 683 drv->own_cmd_path = NULL; 684 return -1; 685 } 686 687 if (wpa_priv_reg_cmd(drv, PRIVSEP_CMD_REGISTER) < 0) { 688 wpa_printf(MSG_ERROR, "Failed to register with wpa_priv"); 689 return -1; 690 } 691 692 return 0; 693 } 694 695 696 static int wpa_driver_privsep_get_capa(void *priv, 697 struct wpa_driver_capa *capa) 698 { 699 struct wpa_driver_privsep_data *drv = priv; 700 int res; 701 size_t len = sizeof(*capa); 702 703 res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_CAPA, NULL, 0, capa, &len); 704 if (res < 0 || len != sizeof(*capa)) 705 return -1; 706 return 0; 707 } 708 709 710 static const u8 * wpa_driver_privsep_get_mac_addr(void *priv) 711 { 712 struct wpa_driver_privsep_data *drv = priv; 713 wpa_printf(MSG_DEBUG, "%s", __func__); 714 return drv->own_addr; 715 } 716 717 718 static int wpa_driver_privsep_set_country(void *priv, const char *alpha2) 719 { 720 struct wpa_driver_privsep_data *drv = priv; 721 wpa_printf(MSG_DEBUG, "%s country='%s'", __func__, alpha2); 722 return wpa_priv_cmd(drv, PRIVSEP_CMD_SET_COUNTRY, alpha2, 723 os_strlen(alpha2), NULL, NULL); 724 } 725 726 727 struct wpa_driver_ops wpa_driver_privsep_ops = { 728 "privsep", 729 "wpa_supplicant privilege separated driver", 730 .get_bssid = wpa_driver_privsep_get_bssid, 731 .get_ssid = wpa_driver_privsep_get_ssid, 732 .set_key = wpa_driver_privsep_set_key, 733 .init = wpa_driver_privsep_init, 734 .deinit = wpa_driver_privsep_deinit, 735 .set_param = wpa_driver_privsep_set_param, 736 .scan2 = wpa_driver_privsep_scan, 737 .deauthenticate = wpa_driver_privsep_deauthenticate, 738 .associate = wpa_driver_privsep_associate, 739 .get_capa = wpa_driver_privsep_get_capa, 740 .get_mac_addr = wpa_driver_privsep_get_mac_addr, 741 .get_scan_results2 = wpa_driver_privsep_get_scan_results2, 742 .set_country = wpa_driver_privsep_set_country, 743 }; 744 745 746 const struct wpa_driver_ops *const wpa_drivers[] = 747 { 748 &wpa_driver_privsep_ops, 749 NULL 750 }; 751
