1 /* 2 * hostapd / UNIX domain socket -based control interface 3 * Copyright (c) 2004-2018, Jouni Malinen <j@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 "utils/includes.h" 10 11 #ifndef CONFIG_NATIVE_WINDOWS 12 13 #ifdef CONFIG_TESTING_OPTIONS 14 #include <net/ethernet.h> 15 #include <netinet/ip.h> 16 #endif /* CONFIG_TESTING_OPTIONS */ 17 18 #include <sys/un.h> 19 #include <sys/stat.h> 20 #include <stddef.h> 21 22 #ifdef CONFIG_CTRL_IFACE_UDP 23 #include <netdb.h> 24 #endif /* CONFIG_CTRL_IFACE_UDP */ 25 26 #include "utils/common.h" 27 #include "utils/eloop.h" 28 #include "utils/module_tests.h" 29 #include "common/version.h" 30 #include "common/ieee802_11_defs.h" 31 #include "common/ctrl_iface_common.h" 32 #ifdef CONFIG_DPP 33 #include "common/dpp.h" 34 #endif /* CONFIG_DPP */ 35 #include "common/wpa_ctrl.h" 36 #include "crypto/tls.h" 37 #include "drivers/driver.h" 38 #include "eapol_auth/eapol_auth_sm.h" 39 #include "radius/radius_client.h" 40 #include "radius/radius_server.h" 41 #include "l2_packet/l2_packet.h" 42 #include "ap/hostapd.h" 43 #include "ap/ap_config.h" 44 #include "ap/ieee802_1x.h" 45 #include "ap/wpa_auth.h" 46 #include "ap/ieee802_11.h" 47 #include "ap/sta_info.h" 48 #include "ap/wps_hostapd.h" 49 #include "ap/ctrl_iface_ap.h" 50 #include "ap/ap_drv_ops.h" 51 #include "ap/hs20.h" 52 #include "ap/wnm_ap.h" 53 #include "ap/wpa_auth.h" 54 #include "ap/beacon.h" 55 #include "ap/neighbor_db.h" 56 #include "ap/rrm.h" 57 #include "ap/dpp_hostapd.h" 58 #include "wps/wps_defs.h" 59 #include "wps/wps.h" 60 #include "fst/fst_ctrl_iface.h" 61 #include "config_file.h" 62 #include "ctrl_iface.h" 63 64 65 #define HOSTAPD_CLI_DUP_VALUE_MAX_LEN 256 66 67 #ifdef CONFIG_CTRL_IFACE_UDP 68 #define COOKIE_LEN 8 69 static unsigned char cookie[COOKIE_LEN]; 70 static unsigned char gcookie[COOKIE_LEN]; 71 #define HOSTAPD_CTRL_IFACE_PORT 8877 72 #define HOSTAPD_CTRL_IFACE_PORT_LIMIT 50 73 #define HOSTAPD_GLOBAL_CTRL_IFACE_PORT 8878 74 #define HOSTAPD_GLOBAL_CTRL_IFACE_PORT_LIMIT 50 75 #endif /* CONFIG_CTRL_IFACE_UDP */ 76 77 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level, 78 enum wpa_msg_type type, 79 const char *buf, size_t len); 80 81 82 static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd, 83 struct sockaddr_storage *from, 84 socklen_t fromlen, const char *input) 85 { 86 return ctrl_iface_attach(&hapd->ctrl_dst, from, fromlen, input); 87 } 88 89 90 static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd, 91 struct sockaddr_storage *from, 92 socklen_t fromlen) 93 { 94 return ctrl_iface_detach(&hapd->ctrl_dst, from, fromlen); 95 } 96 97 98 static int hostapd_ctrl_iface_level(struct hostapd_data *hapd, 99 struct sockaddr_storage *from, 100 socklen_t fromlen, 101 char *level) 102 { 103 return ctrl_iface_level(&hapd->ctrl_dst, from, fromlen, level); 104 } 105 106 107 static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd, 108 const char *txtaddr) 109 { 110 u8 addr[ETH_ALEN]; 111 struct sta_info *sta; 112 113 wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr); 114 115 if (hwaddr_aton(txtaddr, addr)) 116 return -1; 117 118 sta = ap_get_sta(hapd, addr); 119 if (sta) 120 return 0; 121 122 wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface " 123 "notification", MAC2STR(addr)); 124 sta = ap_sta_add(hapd, addr); 125 if (sta == NULL) 126 return -1; 127 128 hostapd_new_assoc_sta(hapd, sta, 0); 129 return 0; 130 } 131 132 133 #ifdef CONFIG_IEEE80211W 134 #ifdef NEED_AP_MLME 135 static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd, 136 const char *txtaddr) 137 { 138 u8 addr[ETH_ALEN]; 139 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 140 141 wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr); 142 143 if (hwaddr_aton(txtaddr, addr) || 144 os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) 145 return -1; 146 147 ieee802_11_send_sa_query_req(hapd, addr, trans_id); 148 149 return 0; 150 } 151 #endif /* NEED_AP_MLME */ 152 #endif /* CONFIG_IEEE80211W */ 153 154 155 #ifdef CONFIG_WPS 156 static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt) 157 { 158 char *pin = os_strchr(txt, ' '); 159 char *timeout_txt; 160 int timeout; 161 u8 addr_buf[ETH_ALEN], *addr = NULL; 162 char *pos; 163 164 if (pin == NULL) 165 return -1; 166 *pin++ = '\0'; 167 168 timeout_txt = os_strchr(pin, ' '); 169 if (timeout_txt) { 170 *timeout_txt++ = '\0'; 171 timeout = atoi(timeout_txt); 172 pos = os_strchr(timeout_txt, ' '); 173 if (pos) { 174 *pos++ = '\0'; 175 if (hwaddr_aton(pos, addr_buf) == 0) 176 addr = addr_buf; 177 } 178 } else 179 timeout = 0; 180 181 return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout); 182 } 183 184 185 static int hostapd_ctrl_iface_wps_check_pin( 186 struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen) 187 { 188 char pin[9]; 189 size_t len; 190 char *pos; 191 int ret; 192 193 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN", 194 (u8 *) cmd, os_strlen(cmd)); 195 for (pos = cmd, len = 0; *pos != '\0'; pos++) { 196 if (*pos < '0' || *pos > '9') 197 continue; 198 pin[len++] = *pos; 199 if (len == 9) { 200 wpa_printf(MSG_DEBUG, "WPS: Too long PIN"); 201 return -1; 202 } 203 } 204 if (len != 4 && len != 8) { 205 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len); 206 return -1; 207 } 208 pin[len] = '\0'; 209 210 if (len == 8) { 211 unsigned int pin_val; 212 pin_val = atoi(pin); 213 if (!wps_pin_valid(pin_val)) { 214 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit"); 215 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n"); 216 if (os_snprintf_error(buflen, ret)) 217 return -1; 218 return ret; 219 } 220 } 221 222 ret = os_snprintf(buf, buflen, "%s", pin); 223 if (os_snprintf_error(buflen, ret)) 224 return -1; 225 226 return ret; 227 } 228 229 230 #ifdef CONFIG_WPS_NFC 231 static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd, 232 char *pos) 233 { 234 size_t len; 235 struct wpabuf *buf; 236 int ret; 237 238 len = os_strlen(pos); 239 if (len & 0x01) 240 return -1; 241 len /= 2; 242 243 buf = wpabuf_alloc(len); 244 if (buf == NULL) 245 return -1; 246 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) { 247 wpabuf_free(buf); 248 return -1; 249 } 250 251 ret = hostapd_wps_nfc_tag_read(hapd, buf); 252 wpabuf_free(buf); 253 254 return ret; 255 } 256 257 258 static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd, 259 char *cmd, char *reply, 260 size_t max_len) 261 { 262 int ndef; 263 struct wpabuf *buf; 264 int res; 265 266 if (os_strcmp(cmd, "WPS") == 0) 267 ndef = 0; 268 else if (os_strcmp(cmd, "NDEF") == 0) 269 ndef = 1; 270 else 271 return -1; 272 273 buf = hostapd_wps_nfc_config_token(hapd, ndef); 274 if (buf == NULL) 275 return -1; 276 277 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), 278 wpabuf_len(buf)); 279 reply[res++] = '\n'; 280 reply[res] = '\0'; 281 282 wpabuf_free(buf); 283 284 return res; 285 } 286 287 288 static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd, 289 char *reply, size_t max_len, 290 int ndef) 291 { 292 struct wpabuf *buf; 293 int res; 294 295 buf = hostapd_wps_nfc_token_gen(hapd, ndef); 296 if (buf == NULL) 297 return -1; 298 299 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), 300 wpabuf_len(buf)); 301 reply[res++] = '\n'; 302 reply[res] = '\0'; 303 304 wpabuf_free(buf); 305 306 return res; 307 } 308 309 310 static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd, 311 char *cmd, char *reply, 312 size_t max_len) 313 { 314 if (os_strcmp(cmd, "WPS") == 0) 315 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply, 316 max_len, 0); 317 318 if (os_strcmp(cmd, "NDEF") == 0) 319 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply, 320 max_len, 1); 321 322 if (os_strcmp(cmd, "enable") == 0) 323 return hostapd_wps_nfc_token_enable(hapd); 324 325 if (os_strcmp(cmd, "disable") == 0) { 326 hostapd_wps_nfc_token_disable(hapd); 327 return 0; 328 } 329 330 return -1; 331 } 332 333 334 static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd, 335 char *cmd, char *reply, 336 size_t max_len) 337 { 338 struct wpabuf *buf; 339 int res; 340 char *pos; 341 int ndef; 342 343 pos = os_strchr(cmd, ' '); 344 if (pos == NULL) 345 return -1; 346 *pos++ = '\0'; 347 348 if (os_strcmp(cmd, "WPS") == 0) 349 ndef = 0; 350 else if (os_strcmp(cmd, "NDEF") == 0) 351 ndef = 1; 352 else 353 return -1; 354 355 if (os_strcmp(pos, "WPS-CR") == 0) 356 buf = hostapd_wps_nfc_hs_cr(hapd, ndef); 357 else 358 buf = NULL; 359 if (buf == NULL) 360 return -1; 361 362 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf), 363 wpabuf_len(buf)); 364 reply[res++] = '\n'; 365 reply[res] = '\0'; 366 367 wpabuf_free(buf); 368 369 return res; 370 } 371 372 373 static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd, 374 char *cmd) 375 { 376 size_t len; 377 struct wpabuf *req, *sel; 378 int ret; 379 char *pos, *role, *type, *pos2; 380 381 role = cmd; 382 pos = os_strchr(role, ' '); 383 if (pos == NULL) 384 return -1; 385 *pos++ = '\0'; 386 387 type = pos; 388 pos = os_strchr(type, ' '); 389 if (pos == NULL) 390 return -1; 391 *pos++ = '\0'; 392 393 pos2 = os_strchr(pos, ' '); 394 if (pos2 == NULL) 395 return -1; 396 *pos2++ = '\0'; 397 398 len = os_strlen(pos); 399 if (len & 0x01) 400 return -1; 401 len /= 2; 402 403 req = wpabuf_alloc(len); 404 if (req == NULL) 405 return -1; 406 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) { 407 wpabuf_free(req); 408 return -1; 409 } 410 411 len = os_strlen(pos2); 412 if (len & 0x01) { 413 wpabuf_free(req); 414 return -1; 415 } 416 len /= 2; 417 418 sel = wpabuf_alloc(len); 419 if (sel == NULL) { 420 wpabuf_free(req); 421 return -1; 422 } 423 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) { 424 wpabuf_free(req); 425 wpabuf_free(sel); 426 return -1; 427 } 428 429 if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0) { 430 ret = hostapd_wps_nfc_report_handover(hapd, req, sel); 431 } else { 432 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover " 433 "reported: role=%s type=%s", role, type); 434 ret = -1; 435 } 436 wpabuf_free(req); 437 wpabuf_free(sel); 438 439 return ret; 440 } 441 442 #endif /* CONFIG_WPS_NFC */ 443 444 445 static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt, 446 char *buf, size_t buflen) 447 { 448 int timeout = 300; 449 char *pos; 450 const char *pin_txt; 451 452 pos = os_strchr(txt, ' '); 453 if (pos) 454 *pos++ = '\0'; 455 456 if (os_strcmp(txt, "disable") == 0) { 457 hostapd_wps_ap_pin_disable(hapd); 458 return os_snprintf(buf, buflen, "OK\n"); 459 } 460 461 if (os_strcmp(txt, "random") == 0) { 462 if (pos) 463 timeout = atoi(pos); 464 pin_txt = hostapd_wps_ap_pin_random(hapd, timeout); 465 if (pin_txt == NULL) 466 return -1; 467 return os_snprintf(buf, buflen, "%s", pin_txt); 468 } 469 470 if (os_strcmp(txt, "get") == 0) { 471 pin_txt = hostapd_wps_ap_pin_get(hapd); 472 if (pin_txt == NULL) 473 return -1; 474 return os_snprintf(buf, buflen, "%s", pin_txt); 475 } 476 477 if (os_strcmp(txt, "set") == 0) { 478 char *pin; 479 if (pos == NULL) 480 return -1; 481 pin = pos; 482 pos = os_strchr(pos, ' '); 483 if (pos) { 484 *pos++ = '\0'; 485 timeout = atoi(pos); 486 } 487 if (os_strlen(pin) > buflen) 488 return -1; 489 if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0) 490 return -1; 491 return os_snprintf(buf, buflen, "%s", pin); 492 } 493 494 return -1; 495 } 496 497 498 static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt) 499 { 500 char *pos; 501 char *ssid, *auth, *encr = NULL, *key = NULL; 502 503 ssid = txt; 504 pos = os_strchr(txt, ' '); 505 if (!pos) 506 return -1; 507 *pos++ = '\0'; 508 509 auth = pos; 510 pos = os_strchr(pos, ' '); 511 if (pos) { 512 *pos++ = '\0'; 513 encr = pos; 514 pos = os_strchr(pos, ' '); 515 if (pos) { 516 *pos++ = '\0'; 517 key = pos; 518 } 519 } 520 521 return hostapd_wps_config_ap(hapd, ssid, auth, encr, key); 522 } 523 524 525 static const char * pbc_status_str(enum pbc_status status) 526 { 527 switch (status) { 528 case WPS_PBC_STATUS_DISABLE: 529 return "Disabled"; 530 case WPS_PBC_STATUS_ACTIVE: 531 return "Active"; 532 case WPS_PBC_STATUS_TIMEOUT: 533 return "Timed-out"; 534 case WPS_PBC_STATUS_OVERLAP: 535 return "Overlap"; 536 default: 537 return "Unknown"; 538 } 539 } 540 541 542 static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd, 543 char *buf, size_t buflen) 544 { 545 int ret; 546 char *pos, *end; 547 548 pos = buf; 549 end = buf + buflen; 550 551 ret = os_snprintf(pos, end - pos, "PBC Status: %s\n", 552 pbc_status_str(hapd->wps_stats.pbc_status)); 553 554 if (os_snprintf_error(end - pos, ret)) 555 return pos - buf; 556 pos += ret; 557 558 ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n", 559 (hapd->wps_stats.status == WPS_STATUS_SUCCESS ? 560 "Success": 561 (hapd->wps_stats.status == WPS_STATUS_FAILURE ? 562 "Failed" : "None"))); 563 564 if (os_snprintf_error(end - pos, ret)) 565 return pos - buf; 566 pos += ret; 567 568 /* If status == Failure - Add possible Reasons */ 569 if(hapd->wps_stats.status == WPS_STATUS_FAILURE && 570 hapd->wps_stats.failure_reason > 0) { 571 ret = os_snprintf(pos, end - pos, 572 "Failure Reason: %s\n", 573 wps_ei_str(hapd->wps_stats.failure_reason)); 574 575 if (os_snprintf_error(end - pos, ret)) 576 return pos - buf; 577 pos += ret; 578 } 579 580 if (hapd->wps_stats.status) { 581 ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n", 582 MAC2STR(hapd->wps_stats.peer_addr)); 583 584 if (os_snprintf_error(end - pos, ret)) 585 return pos - buf; 586 pos += ret; 587 } 588 589 return pos - buf; 590 } 591 592 #endif /* CONFIG_WPS */ 593 594 #ifdef CONFIG_HS20 595 596 static int hostapd_ctrl_iface_hs20_wnm_notif(struct hostapd_data *hapd, 597 const char *cmd) 598 { 599 u8 addr[ETH_ALEN]; 600 const char *url; 601 602 if (hwaddr_aton(cmd, addr)) 603 return -1; 604 url = cmd + 17; 605 if (*url == '\0') { 606 url = NULL; 607 } else { 608 if (*url != ' ') 609 return -1; 610 url++; 611 if (*url == '\0') 612 url = NULL; 613 } 614 615 return hs20_send_wnm_notification(hapd, addr, 1, url); 616 } 617 618 619 static int hostapd_ctrl_iface_hs20_deauth_req(struct hostapd_data *hapd, 620 const char *cmd) 621 { 622 u8 addr[ETH_ALEN]; 623 int code, reauth_delay, ret; 624 const char *pos; 625 size_t url_len; 626 struct wpabuf *req; 627 628 /* <STA MAC Addr> <Code(0/1)> <Re-auth-Delay(sec)> [URL] */ 629 if (hwaddr_aton(cmd, addr)) 630 return -1; 631 632 pos = os_strchr(cmd, ' '); 633 if (pos == NULL) 634 return -1; 635 pos++; 636 code = atoi(pos); 637 638 pos = os_strchr(pos, ' '); 639 if (pos == NULL) 640 return -1; 641 pos++; 642 reauth_delay = atoi(pos); 643 644 url_len = 0; 645 pos = os_strchr(pos, ' '); 646 if (pos) { 647 pos++; 648 url_len = os_strlen(pos); 649 } 650 651 req = wpabuf_alloc(4 + url_len); 652 if (req == NULL) 653 return -1; 654 wpabuf_put_u8(req, code); 655 wpabuf_put_le16(req, reauth_delay); 656 wpabuf_put_u8(req, url_len); 657 if (pos) 658 wpabuf_put_data(req, pos, url_len); 659 660 wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification to " MACSTR 661 " to indicate imminent deauthentication (code=%d " 662 "reauth_delay=%d)", MAC2STR(addr), code, reauth_delay); 663 ret = hs20_send_wnm_notification_deauth_req(hapd, addr, req); 664 wpabuf_free(req); 665 return ret; 666 } 667 668 #endif /* CONFIG_HS20 */ 669 670 671 #ifdef CONFIG_INTERWORKING 672 673 static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd, 674 const char *cmd) 675 { 676 u8 qos_map_set[16 + 2 * 21], count = 0; 677 const char *pos = cmd; 678 int val, ret; 679 680 for (;;) { 681 if (count == sizeof(qos_map_set)) { 682 wpa_printf(MSG_ERROR, "Too many qos_map_set parameters"); 683 return -1; 684 } 685 686 val = atoi(pos); 687 if (val < 0 || val > 255) { 688 wpa_printf(MSG_INFO, "Invalid QoS Map Set"); 689 return -1; 690 } 691 692 qos_map_set[count++] = val; 693 pos = os_strchr(pos, ','); 694 if (!pos) 695 break; 696 pos++; 697 } 698 699 if (count < 16 || count & 1) { 700 wpa_printf(MSG_INFO, "Invalid QoS Map Set"); 701 return -1; 702 } 703 704 ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count); 705 if (ret) { 706 wpa_printf(MSG_INFO, "Failed to set QoS Map Set"); 707 return -1; 708 } 709 710 os_memcpy(hapd->conf->qos_map_set, qos_map_set, count); 711 hapd->conf->qos_map_set_len = count; 712 713 return 0; 714 } 715 716 717 static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd, 718 const char *cmd) 719 { 720 u8 addr[ETH_ALEN]; 721 struct sta_info *sta; 722 struct wpabuf *buf; 723 u8 *qos_map_set = hapd->conf->qos_map_set; 724 u8 qos_map_set_len = hapd->conf->qos_map_set_len; 725 int ret; 726 727 if (!qos_map_set_len) { 728 wpa_printf(MSG_INFO, "QoS Map Set is not set"); 729 return -1; 730 } 731 732 if (hwaddr_aton(cmd, addr)) 733 return -1; 734 735 sta = ap_get_sta(hapd, addr); 736 if (sta == NULL) { 737 wpa_printf(MSG_DEBUG, "Station " MACSTR " not found " 738 "for QoS Map Configuration message", 739 MAC2STR(addr)); 740 return -1; 741 } 742 743 if (!sta->qos_map_enabled) { 744 wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate " 745 "support for QoS Map", MAC2STR(addr)); 746 return -1; 747 } 748 749 buf = wpabuf_alloc(2 + 2 + qos_map_set_len); 750 if (buf == NULL) 751 return -1; 752 753 wpabuf_put_u8(buf, WLAN_ACTION_QOS); 754 wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG); 755 756 /* QoS Map Set Element */ 757 wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET); 758 wpabuf_put_u8(buf, qos_map_set_len); 759 wpabuf_put_data(buf, qos_map_set, qos_map_set_len); 760 761 ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr, 762 wpabuf_head(buf), wpabuf_len(buf)); 763 wpabuf_free(buf); 764 765 return ret; 766 } 767 768 #endif /* CONFIG_INTERWORKING */ 769 770 771 #ifdef CONFIG_WNM_AP 772 773 static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd, 774 const char *cmd) 775 { 776 u8 addr[ETH_ALEN]; 777 int disassoc_timer; 778 struct sta_info *sta; 779 780 if (hwaddr_aton(cmd, addr)) 781 return -1; 782 if (cmd[17] != ' ') 783 return -1; 784 disassoc_timer = atoi(cmd + 17); 785 786 sta = ap_get_sta(hapd, addr); 787 if (sta == NULL) { 788 wpa_printf(MSG_DEBUG, "Station " MACSTR 789 " not found for disassociation imminent message", 790 MAC2STR(addr)); 791 return -1; 792 } 793 794 return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer); 795 } 796 797 798 static int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd, 799 const char *cmd) 800 { 801 u8 addr[ETH_ALEN]; 802 const char *url, *timerstr; 803 int disassoc_timer; 804 struct sta_info *sta; 805 806 if (hwaddr_aton(cmd, addr)) 807 return -1; 808 809 sta = ap_get_sta(hapd, addr); 810 if (sta == NULL) { 811 wpa_printf(MSG_DEBUG, "Station " MACSTR 812 " not found for ESS disassociation imminent message", 813 MAC2STR(addr)); 814 return -1; 815 } 816 817 timerstr = cmd + 17; 818 if (*timerstr != ' ') 819 return -1; 820 timerstr++; 821 disassoc_timer = atoi(timerstr); 822 if (disassoc_timer < 0 || disassoc_timer > 65535) 823 return -1; 824 825 url = os_strchr(timerstr, ' '); 826 if (url == NULL) 827 return -1; 828 url++; 829 830 return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer); 831 } 832 833 834 static int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd, 835 const char *cmd) 836 { 837 u8 addr[ETH_ALEN]; 838 const char *pos, *end; 839 int disassoc_timer = 0; 840 struct sta_info *sta; 841 u8 req_mode = 0, valid_int = 0x01; 842 u8 bss_term_dur[12]; 843 char *url = NULL; 844 int ret; 845 u8 nei_rep[1000]; 846 int nei_len; 847 u8 mbo[10]; 848 size_t mbo_len = 0; 849 850 if (hwaddr_aton(cmd, addr)) { 851 wpa_printf(MSG_DEBUG, "Invalid STA MAC address"); 852 return -1; 853 } 854 855 sta = ap_get_sta(hapd, addr); 856 if (sta == NULL) { 857 wpa_printf(MSG_DEBUG, "Station " MACSTR 858 " not found for BSS TM Request message", 859 MAC2STR(addr)); 860 return -1; 861 } 862 863 pos = os_strstr(cmd, " disassoc_timer="); 864 if (pos) { 865 pos += 16; 866 disassoc_timer = atoi(pos); 867 if (disassoc_timer < 0 || disassoc_timer > 65535) { 868 wpa_printf(MSG_DEBUG, "Invalid disassoc_timer"); 869 return -1; 870 } 871 } 872 873 pos = os_strstr(cmd, " valid_int="); 874 if (pos) { 875 pos += 11; 876 valid_int = atoi(pos); 877 } 878 879 pos = os_strstr(cmd, " bss_term="); 880 if (pos) { 881 pos += 10; 882 req_mode |= WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED; 883 /* TODO: TSF configurable/learnable */ 884 bss_term_dur[0] = 4; /* Subelement ID */ 885 bss_term_dur[1] = 10; /* Length */ 886 os_memset(bss_term_dur, 2, 8); 887 end = os_strchr(pos, ','); 888 if (end == NULL) { 889 wpa_printf(MSG_DEBUG, "Invalid bss_term data"); 890 return -1; 891 } 892 end++; 893 WPA_PUT_LE16(&bss_term_dur[10], atoi(end)); 894 } 895 896 nei_len = ieee802_11_parse_candidate_list(cmd, nei_rep, 897 sizeof(nei_rep)); 898 if (nei_len < 0) 899 return -1; 900 901 pos = os_strstr(cmd, " url="); 902 if (pos) { 903 size_t len; 904 pos += 5; 905 end = os_strchr(pos, ' '); 906 if (end) 907 len = end - pos; 908 else 909 len = os_strlen(pos); 910 url = os_malloc(len + 1); 911 if (url == NULL) 912 return -1; 913 os_memcpy(url, pos, len); 914 url[len] = '\0'; 915 req_mode |= WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT; 916 } 917 918 if (os_strstr(cmd, " pref=1")) 919 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED; 920 if (os_strstr(cmd, " abridged=1")) 921 req_mode |= WNM_BSS_TM_REQ_ABRIDGED; 922 if (os_strstr(cmd, " disassoc_imminent=1")) 923 req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT; 924 925 #ifdef CONFIG_MBO 926 pos = os_strstr(cmd, "mbo="); 927 if (pos) { 928 unsigned int mbo_reason, cell_pref, reassoc_delay; 929 u8 *mbo_pos = mbo; 930 931 ret = sscanf(pos, "mbo=%u:%u:%u", &mbo_reason, 932 &reassoc_delay, &cell_pref); 933 if (ret != 3) { 934 wpa_printf(MSG_DEBUG, 935 "MBO requires three arguments: mbo=<reason>:<reassoc_delay>:<cell_pref>"); 936 ret = -1; 937 goto fail; 938 } 939 940 if (mbo_reason > MBO_TRANSITION_REASON_PREMIUM_AP) { 941 wpa_printf(MSG_DEBUG, 942 "Invalid MBO transition reason code %u", 943 mbo_reason); 944 ret = -1; 945 goto fail; 946 } 947 948 /* Valid values for Cellular preference are: 0, 1, 255 */ 949 if (cell_pref != 0 && cell_pref != 1 && cell_pref != 255) { 950 wpa_printf(MSG_DEBUG, 951 "Invalid MBO cellular capability %u", 952 cell_pref); 953 ret = -1; 954 goto fail; 955 } 956 957 if (reassoc_delay > 65535 || 958 (reassoc_delay && 959 !(req_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT))) { 960 wpa_printf(MSG_DEBUG, 961 "MBO: Assoc retry delay is only valid in disassoc imminent mode"); 962 ret = -1; 963 goto fail; 964 } 965 966 *mbo_pos++ = MBO_ATTR_ID_TRANSITION_REASON; 967 *mbo_pos++ = 1; 968 *mbo_pos++ = mbo_reason; 969 *mbo_pos++ = MBO_ATTR_ID_CELL_DATA_PREF; 970 *mbo_pos++ = 1; 971 *mbo_pos++ = cell_pref; 972 973 if (reassoc_delay) { 974 *mbo_pos++ = MBO_ATTR_ID_ASSOC_RETRY_DELAY; 975 *mbo_pos++ = 2; 976 WPA_PUT_LE16(mbo_pos, reassoc_delay); 977 mbo_pos += 2; 978 } 979 980 mbo_len = mbo_pos - mbo; 981 } 982 #endif /* CONFIG_MBO */ 983 984 ret = wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer, 985 valid_int, bss_term_dur, url, 986 nei_len ? nei_rep : NULL, nei_len, 987 mbo_len ? mbo : NULL, mbo_len); 988 #ifdef CONFIG_MBO 989 fail: 990 #endif /* CONFIG_MBO */ 991 os_free(url); 992 return ret; 993 } 994 995 996 static int hostapd_ctrl_iface_coloc_intf_req(struct hostapd_data *hapd, 997 const char *cmd) 998 { 999 u8 addr[ETH_ALEN]; 1000 struct sta_info *sta; 1001 const char *pos; 1002 unsigned int auto_report, timeout; 1003 1004 if (hwaddr_aton(cmd, addr)) { 1005 wpa_printf(MSG_DEBUG, "Invalid STA MAC address"); 1006 return -1; 1007 } 1008 1009 sta = ap_get_sta(hapd, addr); 1010 if (!sta) { 1011 wpa_printf(MSG_DEBUG, "Station " MACSTR 1012 " not found for Collocated Interference Request", 1013 MAC2STR(addr)); 1014 return -1; 1015 } 1016 1017 pos = cmd + 17; 1018 if (*pos != ' ') 1019 return -1; 1020 pos++; 1021 auto_report = atoi(pos); 1022 pos = os_strchr(pos, ' '); 1023 if (!pos) 1024 return -1; 1025 pos++; 1026 timeout = atoi(pos); 1027 1028 return wnm_send_coloc_intf_req(hapd, sta, auto_report, timeout); 1029 } 1030 1031 #endif /* CONFIG_WNM_AP */ 1032 1033 1034 static int hostapd_ctrl_iface_get_key_mgmt(struct hostapd_data *hapd, 1035 char *buf, size_t buflen) 1036 { 1037 int ret = 0; 1038 char *pos, *end; 1039 1040 pos = buf; 1041 end = buf + buflen; 1042 1043 WPA_ASSERT(hapd->conf->wpa_key_mgmt); 1044 1045 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) { 1046 ret = os_snprintf(pos, end - pos, "WPA-PSK "); 1047 if (os_snprintf_error(end - pos, ret)) 1048 return pos - buf; 1049 pos += ret; 1050 } 1051 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) { 1052 ret = os_snprintf(pos, end - pos, "WPA-EAP "); 1053 if (os_snprintf_error(end - pos, ret)) 1054 return pos - buf; 1055 pos += ret; 1056 } 1057 #ifdef CONFIG_IEEE80211R_AP 1058 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) { 1059 ret = os_snprintf(pos, end - pos, "FT-PSK "); 1060 if (os_snprintf_error(end - pos, ret)) 1061 return pos - buf; 1062 pos += ret; 1063 } 1064 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) { 1065 ret = os_snprintf(pos, end - pos, "FT-EAP "); 1066 if (os_snprintf_error(end - pos, ret)) 1067 return pos - buf; 1068 pos += ret; 1069 } 1070 #ifdef CONFIG_SHA384 1071 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X_SHA384) { 1072 ret = os_snprintf(pos, end - pos, "FT-EAP-SHA384 "); 1073 if (os_snprintf_error(end - pos, ret)) 1074 return pos - buf; 1075 pos += ret; 1076 } 1077 #endif /* CONFIG_SHA384 */ 1078 #ifdef CONFIG_SAE 1079 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_SAE) { 1080 ret = os_snprintf(pos, end - pos, "FT-SAE "); 1081 if (os_snprintf_error(end - pos, ret)) 1082 return pos - buf; 1083 pos += ret; 1084 } 1085 #endif /* CONFIG_SAE */ 1086 #ifdef CONFIG_FILS 1087 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA256) { 1088 ret = os_snprintf(pos, end - pos, "FT-FILS-SHA256 "); 1089 if (os_snprintf_error(end - pos, ret)) 1090 return pos - buf; 1091 pos += ret; 1092 } 1093 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA384) { 1094 ret = os_snprintf(pos, end - pos, "FT-FILS-SHA384 "); 1095 if (os_snprintf_error(end - pos, ret)) 1096 return pos - buf; 1097 pos += ret; 1098 } 1099 #endif /* CONFIG_FILS */ 1100 #endif /* CONFIG_IEEE80211R_AP */ 1101 #ifdef CONFIG_IEEE80211W 1102 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) { 1103 ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 "); 1104 if (os_snprintf_error(end - pos, ret)) 1105 return pos - buf; 1106 pos += ret; 1107 } 1108 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) { 1109 ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 "); 1110 if (os_snprintf_error(end - pos, ret)) 1111 return pos - buf; 1112 pos += ret; 1113 } 1114 #endif /* CONFIG_IEEE80211W */ 1115 #ifdef CONFIG_SAE 1116 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_SAE) { 1117 ret = os_snprintf(pos, end - pos, "SAE "); 1118 if (os_snprintf_error(end - pos, ret)) 1119 return pos - buf; 1120 pos += ret; 1121 } 1122 #endif /* CONFIG_SAE */ 1123 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { 1124 ret = os_snprintf(pos, end - pos, "WPA-EAP-SUITE-B "); 1125 if (os_snprintf_error(end - pos, ret)) 1126 return pos - buf; 1127 pos += ret; 1128 } 1129 if (hapd->conf->wpa_key_mgmt & 1130 WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { 1131 ret = os_snprintf(pos, end - pos, 1132 "WPA-EAP-SUITE-B-192 "); 1133 if (os_snprintf_error(end - pos, ret)) 1134 return pos - buf; 1135 pos += ret; 1136 } 1137 #ifdef CONFIG_FILS 1138 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FILS_SHA256) { 1139 ret = os_snprintf(pos, end - pos, "FILS-SHA256 "); 1140 if (os_snprintf_error(end - pos, ret)) 1141 return pos - buf; 1142 pos += ret; 1143 } 1144 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FILS_SHA384) { 1145 ret = os_snprintf(pos, end - pos, "FILS-SHA384 "); 1146 if (os_snprintf_error(end - pos, ret)) 1147 return pos - buf; 1148 pos += ret; 1149 } 1150 #endif /* CONFIG_FILS */ 1151 1152 #ifdef CONFIG_OWE 1153 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) { 1154 ret = os_snprintf(pos, end - pos, "OWE "); 1155 if (os_snprintf_error(end - pos, ret)) 1156 return pos - buf; 1157 pos += ret; 1158 } 1159 #endif /* CONFIG_OWE */ 1160 1161 #ifdef CONFIG_DPP 1162 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_DPP) { 1163 ret = os_snprintf(pos, end - pos, "DPP "); 1164 if (os_snprintf_error(end - pos, ret)) 1165 return pos - buf; 1166 pos += ret; 1167 } 1168 #endif /* CONFIG_DPP */ 1169 1170 if (pos > buf && *(pos - 1) == ' ') { 1171 *(pos - 1) = '\0'; 1172 pos--; 1173 } 1174 1175 return pos - buf; 1176 } 1177 1178 1179 static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd, 1180 char *buf, size_t buflen) 1181 { 1182 int ret; 1183 char *pos, *end; 1184 1185 pos = buf; 1186 end = buf + buflen; 1187 1188 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n" 1189 "ssid=%s\n", 1190 MAC2STR(hapd->own_addr), 1191 wpa_ssid_txt(hapd->conf->ssid.ssid, 1192 hapd->conf->ssid.ssid_len)); 1193 if (os_snprintf_error(end - pos, ret)) 1194 return pos - buf; 1195 pos += ret; 1196 1197 #ifdef CONFIG_WPS 1198 ret = os_snprintf(pos, end - pos, "wps_state=%s\n", 1199 hapd->conf->wps_state == 0 ? "disabled" : 1200 (hapd->conf->wps_state == 1 ? "not configured" : 1201 "configured")); 1202 if (os_snprintf_error(end - pos, ret)) 1203 return pos - buf; 1204 pos += ret; 1205 1206 if (hapd->conf->wps_state && hapd->conf->wpa && 1207 hapd->conf->ssid.wpa_passphrase) { 1208 ret = os_snprintf(pos, end - pos, "passphrase=%s\n", 1209 hapd->conf->ssid.wpa_passphrase); 1210 if (os_snprintf_error(end - pos, ret)) 1211 return pos - buf; 1212 pos += ret; 1213 } 1214 1215 if (hapd->conf->wps_state && hapd->conf->wpa && 1216 hapd->conf->ssid.wpa_psk && 1217 hapd->conf->ssid.wpa_psk->group) { 1218 char hex[PMK_LEN * 2 + 1]; 1219 wpa_snprintf_hex(hex, sizeof(hex), 1220 hapd->conf->ssid.wpa_psk->psk, PMK_LEN); 1221 ret = os_snprintf(pos, end - pos, "psk=%s\n", hex); 1222 if (os_snprintf_error(end - pos, ret)) 1223 return pos - buf; 1224 pos += ret; 1225 } 1226 #endif /* CONFIG_WPS */ 1227 1228 if (hapd->conf->wpa) { 1229 ret = os_snprintf(pos, end - pos, "wpa=%d\n", hapd->conf->wpa); 1230 if (os_snprintf_error(end - pos, ret)) 1231 return pos - buf; 1232 pos += ret; 1233 } 1234 1235 if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) { 1236 ret = os_snprintf(pos, end - pos, "key_mgmt="); 1237 if (os_snprintf_error(end - pos, ret)) 1238 return pos - buf; 1239 pos += ret; 1240 1241 pos += hostapd_ctrl_iface_get_key_mgmt(hapd, pos, end - pos); 1242 1243 ret = os_snprintf(pos, end - pos, "\n"); 1244 if (os_snprintf_error(end - pos, ret)) 1245 return pos - buf; 1246 pos += ret; 1247 } 1248 1249 if (hapd->conf->wpa) { 1250 ret = os_snprintf(pos, end - pos, "group_cipher=%s\n", 1251 wpa_cipher_txt(hapd->conf->wpa_group)); 1252 if (os_snprintf_error(end - pos, ret)) 1253 return pos - buf; 1254 pos += ret; 1255 } 1256 1257 if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) { 1258 ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher="); 1259 if (os_snprintf_error(end - pos, ret)) 1260 return pos - buf; 1261 pos += ret; 1262 1263 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise, 1264 " "); 1265 if (ret < 0) 1266 return pos - buf; 1267 pos += ret; 1268 1269 ret = os_snprintf(pos, end - pos, "\n"); 1270 if (os_snprintf_error(end - pos, ret)) 1271 return pos - buf; 1272 pos += ret; 1273 } 1274 1275 if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) { 1276 ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher="); 1277 if (os_snprintf_error(end - pos, ret)) 1278 return pos - buf; 1279 pos += ret; 1280 1281 ret = wpa_write_ciphers(pos, end, hapd->conf->wpa_pairwise, 1282 " "); 1283 if (ret < 0) 1284 return pos - buf; 1285 pos += ret; 1286 1287 ret = os_snprintf(pos, end - pos, "\n"); 1288 if (os_snprintf_error(end - pos, ret)) 1289 return pos - buf; 1290 pos += ret; 1291 } 1292 1293 return pos - buf; 1294 } 1295 1296 1297 static void hostapd_disassoc_accept_mac(struct hostapd_data *hapd) 1298 { 1299 struct sta_info *sta; 1300 struct vlan_description vlan_id; 1301 1302 if (hapd->conf->macaddr_acl != DENY_UNLESS_ACCEPTED) 1303 return; 1304 1305 for (sta = hapd->sta_list; sta; sta = sta->next) { 1306 if (!hostapd_maclist_found(hapd->conf->accept_mac, 1307 hapd->conf->num_accept_mac, 1308 sta->addr, &vlan_id) || 1309 (vlan_id.notempty && 1310 vlan_compare(&vlan_id, sta->vlan_desc))) 1311 ap_sta_disconnect(hapd, sta, sta->addr, 1312 WLAN_REASON_UNSPECIFIED); 1313 } 1314 } 1315 1316 1317 static void hostapd_disassoc_deny_mac(struct hostapd_data *hapd) 1318 { 1319 struct sta_info *sta; 1320 struct vlan_description vlan_id; 1321 1322 for (sta = hapd->sta_list; sta; sta = sta->next) { 1323 if (hostapd_maclist_found(hapd->conf->deny_mac, 1324 hapd->conf->num_deny_mac, sta->addr, 1325 &vlan_id) && 1326 (!vlan_id.notempty || 1327 !vlan_compare(&vlan_id, sta->vlan_desc))) 1328 ap_sta_disconnect(hapd, sta, sta->addr, 1329 WLAN_REASON_UNSPECIFIED); 1330 } 1331 } 1332 1333 static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd) 1334 { 1335 char *value; 1336 int ret = 0; 1337 1338 value = os_strchr(cmd, ' '); 1339 if (value == NULL) 1340 return -1; 1341 *value++ = '\0'; 1342 1343 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value); 1344 if (0) { 1345 #ifdef CONFIG_WPS_TESTING 1346 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) { 1347 long int val; 1348 val = strtol(value, NULL, 0); 1349 if (val < 0 || val > 0xff) { 1350 ret = -1; 1351 wpa_printf(MSG_DEBUG, "WPS: Invalid " 1352 "wps_version_number %ld", val); 1353 } else { 1354 wps_version_number = val; 1355 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS " 1356 "version %u.%u", 1357 (wps_version_number & 0xf0) >> 4, 1358 wps_version_number & 0x0f); 1359 hostapd_wps_update_ie(hapd); 1360 } 1361 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) { 1362 wps_testing_dummy_cred = atoi(value); 1363 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d", 1364 wps_testing_dummy_cred); 1365 } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) { 1366 wps_corrupt_pkhash = atoi(value); 1367 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d", 1368 wps_corrupt_pkhash); 1369 #endif /* CONFIG_WPS_TESTING */ 1370 #ifdef CONFIG_TESTING_OPTIONS 1371 } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) { 1372 hapd->ext_mgmt_frame_handling = atoi(value); 1373 } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) { 1374 hapd->ext_eapol_frame_io = atoi(value); 1375 #ifdef CONFIG_DPP 1376 } else if (os_strcasecmp(cmd, "dpp_config_obj_override") == 0) { 1377 os_free(hapd->dpp_config_obj_override); 1378 hapd->dpp_config_obj_override = os_strdup(value); 1379 } else if (os_strcasecmp(cmd, "dpp_discovery_override") == 0) { 1380 os_free(hapd->dpp_discovery_override); 1381 hapd->dpp_discovery_override = os_strdup(value); 1382 } else if (os_strcasecmp(cmd, "dpp_groups_override") == 0) { 1383 os_free(hapd->dpp_groups_override); 1384 hapd->dpp_groups_override = os_strdup(value); 1385 } else if (os_strcasecmp(cmd, 1386 "dpp_ignore_netaccesskey_mismatch") == 0) { 1387 hapd->dpp_ignore_netaccesskey_mismatch = atoi(value); 1388 } else if (os_strcasecmp(cmd, "dpp_test") == 0) { 1389 dpp_test = atoi(value); 1390 #endif /* CONFIG_DPP */ 1391 #endif /* CONFIG_TESTING_OPTIONS */ 1392 #ifdef CONFIG_MBO 1393 } else if (os_strcasecmp(cmd, "mbo_assoc_disallow") == 0) { 1394 int val; 1395 1396 if (!hapd->conf->mbo_enabled) 1397 return -1; 1398 1399 val = atoi(value); 1400 if (val < 0 || val > 1) 1401 return -1; 1402 1403 hapd->mbo_assoc_disallow = val; 1404 ieee802_11_update_beacons(hapd->iface); 1405 1406 /* 1407 * TODO: Need to configure drivers that do AP MLME offload with 1408 * disallowing station logic. 1409 */ 1410 #endif /* CONFIG_MBO */ 1411 #ifdef CONFIG_DPP 1412 } else if (os_strcasecmp(cmd, "dpp_configurator_params") == 0) { 1413 os_free(hapd->dpp_configurator_params); 1414 hapd->dpp_configurator_params = os_strdup(value); 1415 #endif /* CONFIG_DPP */ 1416 } else { 1417 ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value); 1418 if (ret) 1419 return ret; 1420 1421 if (os_strcasecmp(cmd, "deny_mac_file") == 0) { 1422 hostapd_disassoc_deny_mac(hapd); 1423 } else if (os_strcasecmp(cmd, "accept_mac_file") == 0) { 1424 hostapd_disassoc_accept_mac(hapd); 1425 } else if (os_strncmp(cmd, "wme_ac_", 7) == 0 || 1426 os_strncmp(cmd, "wmm_ac_", 7) == 0) { 1427 hapd->parameter_set_count++; 1428 if (ieee802_11_update_beacons(hapd->iface)) 1429 wpa_printf(MSG_DEBUG, 1430 "Failed to update beacons with WMM parameters"); 1431 } 1432 } 1433 1434 return ret; 1435 } 1436 1437 1438 static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd, 1439 char *buf, size_t buflen) 1440 { 1441 int res; 1442 1443 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd); 1444 1445 if (os_strcmp(cmd, "version") == 0) { 1446 res = os_snprintf(buf, buflen, "%s", VERSION_STR); 1447 if (os_snprintf_error(buflen, res)) 1448 return -1; 1449 return res; 1450 } else if (os_strcmp(cmd, "tls_library") == 0) { 1451 res = tls_get_library_version(buf, buflen); 1452 if (os_snprintf_error(buflen, res)) 1453 return -1; 1454 return res; 1455 } 1456 1457 return -1; 1458 } 1459 1460 1461 static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface) 1462 { 1463 if (hostapd_enable_iface(iface) < 0) { 1464 wpa_printf(MSG_ERROR, "Enabling of interface failed"); 1465 return -1; 1466 } 1467 return 0; 1468 } 1469 1470 1471 static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface) 1472 { 1473 if (hostapd_reload_iface(iface) < 0) { 1474 wpa_printf(MSG_ERROR, "Reloading of interface failed"); 1475 return -1; 1476 } 1477 return 0; 1478 } 1479 1480 1481 static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface) 1482 { 1483 if (hostapd_disable_iface(iface) < 0) { 1484 wpa_printf(MSG_ERROR, "Disabling of interface failed"); 1485 return -1; 1486 } 1487 return 0; 1488 } 1489 1490 1491 #ifdef CONFIG_TESTING_OPTIONS 1492 1493 static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd) 1494 { 1495 union wpa_event_data data; 1496 char *pos, *param; 1497 enum wpa_event_type event; 1498 1499 wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd); 1500 1501 os_memset(&data, 0, sizeof(data)); 1502 1503 param = os_strchr(cmd, ' '); 1504 if (param == NULL) 1505 return -1; 1506 *param++ = '\0'; 1507 1508 if (os_strcmp(cmd, "DETECTED") == 0) 1509 event = EVENT_DFS_RADAR_DETECTED; 1510 else if (os_strcmp(cmd, "CAC-FINISHED") == 0) 1511 event = EVENT_DFS_CAC_FINISHED; 1512 else if (os_strcmp(cmd, "CAC-ABORTED") == 0) 1513 event = EVENT_DFS_CAC_ABORTED; 1514 else if (os_strcmp(cmd, "NOP-FINISHED") == 0) 1515 event = EVENT_DFS_NOP_FINISHED; 1516 else { 1517 wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s", 1518 cmd); 1519 return -1; 1520 } 1521 1522 pos = os_strstr(param, "freq="); 1523 if (pos) 1524 data.dfs_event.freq = atoi(pos + 5); 1525 1526 pos = os_strstr(param, "ht_enabled=1"); 1527 if (pos) 1528 data.dfs_event.ht_enabled = 1; 1529 1530 pos = os_strstr(param, "chan_offset="); 1531 if (pos) 1532 data.dfs_event.chan_offset = atoi(pos + 12); 1533 1534 pos = os_strstr(param, "chan_width="); 1535 if (pos) 1536 data.dfs_event.chan_width = atoi(pos + 11); 1537 1538 pos = os_strstr(param, "cf1="); 1539 if (pos) 1540 data.dfs_event.cf1 = atoi(pos + 4); 1541 1542 pos = os_strstr(param, "cf2="); 1543 if (pos) 1544 data.dfs_event.cf2 = atoi(pos + 4); 1545 1546 wpa_supplicant_event(hapd, event, &data); 1547 1548 return 0; 1549 } 1550 1551 1552 static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd) 1553 { 1554 size_t len; 1555 u8 *buf; 1556 int res; 1557 1558 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd); 1559 1560 len = os_strlen(cmd); 1561 if (len & 1) 1562 return -1; 1563 len /= 2; 1564 1565 buf = os_malloc(len); 1566 if (buf == NULL) 1567 return -1; 1568 1569 if (hexstr2bin(cmd, buf, len) < 0) { 1570 os_free(buf); 1571 return -1; 1572 } 1573 1574 res = hostapd_drv_send_mlme(hapd, buf, len, 0); 1575 os_free(buf); 1576 return res; 1577 } 1578 1579 1580 static int hostapd_ctrl_iface_mgmt_tx_status_process(struct hostapd_data *hapd, 1581 char *cmd) 1582 { 1583 char *pos, *param; 1584 size_t len; 1585 u8 *buf; 1586 int stype = 0, ok = 0; 1587 union wpa_event_data event; 1588 1589 if (!hapd->ext_mgmt_frame_handling) 1590 return -1; 1591 1592 /* stype=<val> ok=<0/1> buf=<frame hexdump> */ 1593 1594 wpa_printf(MSG_DEBUG, "External MGMT TX status process: %s", cmd); 1595 1596 pos = cmd; 1597 param = os_strstr(pos, "stype="); 1598 if (param) { 1599 param += 6; 1600 stype = atoi(param); 1601 } 1602 1603 param = os_strstr(pos, " ok="); 1604 if (param) { 1605 param += 4; 1606 ok = atoi(param); 1607 } 1608 1609 param = os_strstr(pos, " buf="); 1610 if (!param) 1611 return -1; 1612 param += 5; 1613 1614 len = os_strlen(param); 1615 if (len & 1) 1616 return -1; 1617 len /= 2; 1618 1619 buf = os_malloc(len); 1620 if (!buf || hexstr2bin(param, buf, len) < 0) { 1621 os_free(buf); 1622 return -1; 1623 } 1624 1625 os_memset(&event, 0, sizeof(event)); 1626 event.tx_status.type = WLAN_FC_TYPE_MGMT; 1627 event.tx_status.data = buf; 1628 event.tx_status.data_len = len; 1629 event.tx_status.stype = stype; 1630 event.tx_status.ack = ok; 1631 hapd->ext_mgmt_frame_handling = 0; 1632 wpa_supplicant_event(hapd, EVENT_TX_STATUS, &event); 1633 hapd->ext_mgmt_frame_handling = 1; 1634 1635 os_free(buf); 1636 1637 return 0; 1638 } 1639 1640 1641 static int hostapd_ctrl_iface_mgmt_rx_process(struct hostapd_data *hapd, 1642 char *cmd) 1643 { 1644 char *pos, *param; 1645 size_t len; 1646 u8 *buf; 1647 int freq = 0, datarate = 0, ssi_signal = 0; 1648 union wpa_event_data event; 1649 1650 if (!hapd->ext_mgmt_frame_handling) 1651 return -1; 1652 1653 /* freq=<MHz> datarate=<val> ssi_signal=<val> frame=<frame hexdump> */ 1654 1655 wpa_printf(MSG_DEBUG, "External MGMT RX process: %s", cmd); 1656 1657 pos = cmd; 1658 param = os_strstr(pos, "freq="); 1659 if (param) { 1660 param += 5; 1661 freq = atoi(param); 1662 } 1663 1664 param = os_strstr(pos, " datarate="); 1665 if (param) { 1666 param += 10; 1667 datarate = atoi(param); 1668 } 1669 1670 param = os_strstr(pos, " ssi_signal="); 1671 if (param) { 1672 param += 12; 1673 ssi_signal = atoi(param); 1674 } 1675 1676 param = os_strstr(pos, " frame="); 1677 if (param == NULL) 1678 return -1; 1679 param += 7; 1680 1681 len = os_strlen(param); 1682 if (len & 1) 1683 return -1; 1684 len /= 2; 1685 1686 buf = os_malloc(len); 1687 if (buf == NULL) 1688 return -1; 1689 1690 if (hexstr2bin(param, buf, len) < 0) { 1691 os_free(buf); 1692 return -1; 1693 } 1694 1695 os_memset(&event, 0, sizeof(event)); 1696 event.rx_mgmt.freq = freq; 1697 event.rx_mgmt.frame = buf; 1698 event.rx_mgmt.frame_len = len; 1699 event.rx_mgmt.ssi_signal = ssi_signal; 1700 event.rx_mgmt.datarate = datarate; 1701 hapd->ext_mgmt_frame_handling = 0; 1702 wpa_supplicant_event(hapd, EVENT_RX_MGMT, &event); 1703 hapd->ext_mgmt_frame_handling = 1; 1704 1705 os_free(buf); 1706 1707 return 0; 1708 } 1709 1710 1711 static int hostapd_ctrl_iface_eapol_rx(struct hostapd_data *hapd, char *cmd) 1712 { 1713 char *pos; 1714 u8 src[ETH_ALEN], *buf; 1715 int used; 1716 size_t len; 1717 1718 wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd); 1719 1720 pos = cmd; 1721 used = hwaddr_aton2(pos, src); 1722 if (used < 0) 1723 return -1; 1724 pos += used; 1725 while (*pos == ' ') 1726 pos++; 1727 1728 len = os_strlen(pos); 1729 if (len & 1) 1730 return -1; 1731 len /= 2; 1732 1733 buf = os_malloc(len); 1734 if (buf == NULL) 1735 return -1; 1736 1737 if (hexstr2bin(pos, buf, len) < 0) { 1738 os_free(buf); 1739 return -1; 1740 } 1741 1742 ieee802_1x_receive(hapd, src, buf, len); 1743 os_free(buf); 1744 1745 return 0; 1746 } 1747 1748 1749 static u16 ipv4_hdr_checksum(const void *buf, size_t len) 1750 { 1751 size_t i; 1752 u32 sum = 0; 1753 const u16 *pos = buf; 1754 1755 for (i = 0; i < len / 2; i++) 1756 sum += *pos++; 1757 1758 while (sum >> 16) 1759 sum = (sum & 0xffff) + (sum >> 16); 1760 1761 return sum ^ 0xffff; 1762 } 1763 1764 1765 #define HWSIM_PACKETLEN 1500 1766 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header)) 1767 1768 static void hostapd_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, 1769 size_t len) 1770 { 1771 struct hostapd_data *hapd = ctx; 1772 const struct ether_header *eth; 1773 struct iphdr ip; 1774 const u8 *pos; 1775 unsigned int i; 1776 1777 if (len != HWSIM_PACKETLEN) 1778 return; 1779 1780 eth = (const struct ether_header *) buf; 1781 os_memcpy(&ip, eth + 1, sizeof(ip)); 1782 pos = &buf[sizeof(*eth) + sizeof(ip)]; 1783 1784 if (ip.ihl != 5 || ip.version != 4 || 1785 ntohs(ip.tot_len) != HWSIM_IP_LEN) 1786 return; 1787 1788 for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) { 1789 if (*pos != (u8) i) 1790 return; 1791 pos++; 1792 } 1793 1794 wpa_msg(hapd->msg_ctx, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR, 1795 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost)); 1796 } 1797 1798 1799 static int hostapd_ctrl_iface_data_test_config(struct hostapd_data *hapd, 1800 char *cmd) 1801 { 1802 int enabled = atoi(cmd); 1803 char *pos; 1804 const char *ifname; 1805 1806 if (!enabled) { 1807 if (hapd->l2_test) { 1808 l2_packet_deinit(hapd->l2_test); 1809 hapd->l2_test = NULL; 1810 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, 1811 "test data: Disabled"); 1812 } 1813 return 0; 1814 } 1815 1816 if (hapd->l2_test) 1817 return 0; 1818 1819 pos = os_strstr(cmd, " ifname="); 1820 if (pos) 1821 ifname = pos + 8; 1822 else 1823 ifname = hapd->conf->iface; 1824 1825 hapd->l2_test = l2_packet_init(ifname, hapd->own_addr, 1826 ETHERTYPE_IP, hostapd_data_test_rx, 1827 hapd, 1); 1828 if (hapd->l2_test == NULL) 1829 return -1; 1830 1831 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: Enabled"); 1832 1833 return 0; 1834 } 1835 1836 1837 static int hostapd_ctrl_iface_data_test_tx(struct hostapd_data *hapd, char *cmd) 1838 { 1839 u8 dst[ETH_ALEN], src[ETH_ALEN]; 1840 char *pos; 1841 int used; 1842 long int val; 1843 u8 tos; 1844 u8 buf[2 + HWSIM_PACKETLEN]; 1845 struct ether_header *eth; 1846 struct iphdr *ip; 1847 u8 *dpos; 1848 unsigned int i; 1849 1850 if (hapd->l2_test == NULL) 1851 return -1; 1852 1853 /* format: <dst> <src> <tos> */ 1854 1855 pos = cmd; 1856 used = hwaddr_aton2(pos, dst); 1857 if (used < 0) 1858 return -1; 1859 pos += used; 1860 while (*pos == ' ') 1861 pos++; 1862 used = hwaddr_aton2(pos, src); 1863 if (used < 0) 1864 return -1; 1865 pos += used; 1866 1867 val = strtol(pos, NULL, 0); 1868 if (val < 0 || val > 0xff) 1869 return -1; 1870 tos = val; 1871 1872 eth = (struct ether_header *) &buf[2]; 1873 os_memcpy(eth->ether_dhost, dst, ETH_ALEN); 1874 os_memcpy(eth->ether_shost, src, ETH_ALEN); 1875 eth->ether_type = htons(ETHERTYPE_IP); 1876 ip = (struct iphdr *) (eth + 1); 1877 os_memset(ip, 0, sizeof(*ip)); 1878 ip->ihl = 5; 1879 ip->version = 4; 1880 ip->ttl = 64; 1881 ip->tos = tos; 1882 ip->tot_len = htons(HWSIM_IP_LEN); 1883 ip->protocol = 1; 1884 ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1); 1885 ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2); 1886 ip->check = ipv4_hdr_checksum(ip, sizeof(*ip)); 1887 dpos = (u8 *) (ip + 1); 1888 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) 1889 *dpos++ = i; 1890 1891 if (l2_packet_send(hapd->l2_test, dst, ETHERTYPE_IP, &buf[2], 1892 HWSIM_PACKETLEN) < 0) 1893 return -1; 1894 1895 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX dst=" MACSTR 1896 " src=" MACSTR " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos); 1897 1898 return 0; 1899 } 1900 1901 1902 static int hostapd_ctrl_iface_data_test_frame(struct hostapd_data *hapd, 1903 char *cmd) 1904 { 1905 u8 *buf; 1906 struct ether_header *eth; 1907 struct l2_packet_data *l2 = NULL; 1908 size_t len; 1909 u16 ethertype; 1910 int res = -1; 1911 const char *ifname = hapd->conf->iface; 1912 1913 if (os_strncmp(cmd, "ifname=", 7) == 0) { 1914 cmd += 7; 1915 ifname = cmd; 1916 cmd = os_strchr(cmd, ' '); 1917 if (cmd == NULL) 1918 return -1; 1919 *cmd++ = '\0'; 1920 } 1921 1922 len = os_strlen(cmd); 1923 if (len & 1 || len < ETH_HLEN * 2) 1924 return -1; 1925 len /= 2; 1926 1927 buf = os_malloc(len); 1928 if (buf == NULL) 1929 return -1; 1930 1931 if (hexstr2bin(cmd, buf, len) < 0) 1932 goto done; 1933 1934 eth = (struct ether_header *) buf; 1935 ethertype = ntohs(eth->ether_type); 1936 1937 l2 = l2_packet_init(ifname, hapd->own_addr, ethertype, 1938 hostapd_data_test_rx, hapd, 1); 1939 if (l2 == NULL) 1940 goto done; 1941 1942 res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len); 1943 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX frame res=%d", res); 1944 done: 1945 if (l2) 1946 l2_packet_deinit(l2); 1947 os_free(buf); 1948 1949 return res < 0 ? -1 : 0; 1950 } 1951 1952 1953 static int hostapd_ctrl_test_alloc_fail(struct hostapd_data *hapd, char *cmd) 1954 { 1955 #ifdef WPA_TRACE_BFD 1956 char *pos; 1957 1958 wpa_trace_fail_after = atoi(cmd); 1959 pos = os_strchr(cmd, ':'); 1960 if (pos) { 1961 pos++; 1962 os_strlcpy(wpa_trace_fail_func, pos, 1963 sizeof(wpa_trace_fail_func)); 1964 } else { 1965 wpa_trace_fail_after = 0; 1966 } 1967 1968 return 0; 1969 #else /* WPA_TRACE_BFD */ 1970 return -1; 1971 #endif /* WPA_TRACE_BFD */ 1972 } 1973 1974 1975 static int hostapd_ctrl_get_alloc_fail(struct hostapd_data *hapd, 1976 char *buf, size_t buflen) 1977 { 1978 #ifdef WPA_TRACE_BFD 1979 return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after, 1980 wpa_trace_fail_func); 1981 #else /* WPA_TRACE_BFD */ 1982 return -1; 1983 #endif /* WPA_TRACE_BFD */ 1984 } 1985 1986 1987 static int hostapd_ctrl_test_fail(struct hostapd_data *hapd, char *cmd) 1988 { 1989 #ifdef WPA_TRACE_BFD 1990 char *pos; 1991 1992 wpa_trace_test_fail_after = atoi(cmd); 1993 pos = os_strchr(cmd, ':'); 1994 if (pos) { 1995 pos++; 1996 os_strlcpy(wpa_trace_test_fail_func, pos, 1997 sizeof(wpa_trace_test_fail_func)); 1998 } else { 1999 wpa_trace_test_fail_after = 0; 2000 } 2001 2002 return 0; 2003 #else /* WPA_TRACE_BFD */ 2004 return -1; 2005 #endif /* WPA_TRACE_BFD */ 2006 } 2007 2008 2009 static int hostapd_ctrl_get_fail(struct hostapd_data *hapd, 2010 char *buf, size_t buflen) 2011 { 2012 #ifdef WPA_TRACE_BFD 2013 return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after, 2014 wpa_trace_test_fail_func); 2015 #else /* WPA_TRACE_BFD */ 2016 return -1; 2017 #endif /* WPA_TRACE_BFD */ 2018 } 2019 2020 2021 static int hostapd_ctrl_reset_pn(struct hostapd_data *hapd, const char *cmd) 2022 { 2023 struct sta_info *sta; 2024 u8 addr[ETH_ALEN]; 2025 u8 zero[WPA_TK_MAX_LEN]; 2026 2027 os_memset(zero, 0, sizeof(zero)); 2028 2029 if (hwaddr_aton(cmd, addr)) 2030 return -1; 2031 2032 #ifdef CONFIG_IEEE80211W 2033 if (is_broadcast_ether_addr(addr) && os_strstr(cmd, "IGTK")) { 2034 if (hapd->last_igtk_alg == WPA_ALG_NONE) 2035 return -1; 2036 2037 wpa_printf(MSG_INFO, "TESTING: Reset IPN for IGTK"); 2038 2039 /* First, use a zero key to avoid any possible duplicate key 2040 * avoidance in the driver. */ 2041 if (hostapd_drv_set_key(hapd->conf->iface, hapd, 2042 hapd->last_igtk_alg, 2043 broadcast_ether_addr, 2044 hapd->last_igtk_key_idx, 1, NULL, 0, 2045 zero, hapd->last_igtk_len) < 0) 2046 return -1; 2047 2048 /* Set the previously configured key to reset its TSC */ 2049 return hostapd_drv_set_key(hapd->conf->iface, hapd, 2050 hapd->last_igtk_alg, 2051 broadcast_ether_addr, 2052 hapd->last_igtk_key_idx, 1, NULL, 0, 2053 hapd->last_igtk, 2054 hapd->last_igtk_len); 2055 } 2056 #endif /* CONFIG_IEEE80211W */ 2057 2058 if (is_broadcast_ether_addr(addr)) { 2059 if (hapd->last_gtk_alg == WPA_ALG_NONE) 2060 return -1; 2061 2062 wpa_printf(MSG_INFO, "TESTING: Reset PN for GTK"); 2063 2064 /* First, use a zero key to avoid any possible duplicate key 2065 * avoidance in the driver. */ 2066 if (hostapd_drv_set_key(hapd->conf->iface, hapd, 2067 hapd->last_gtk_alg, 2068 broadcast_ether_addr, 2069 hapd->last_gtk_key_idx, 1, NULL, 0, 2070 zero, hapd->last_gtk_len) < 0) 2071 return -1; 2072 2073 /* Set the previously configured key to reset its TSC */ 2074 return hostapd_drv_set_key(hapd->conf->iface, hapd, 2075 hapd->last_gtk_alg, 2076 broadcast_ether_addr, 2077 hapd->last_gtk_key_idx, 1, NULL, 0, 2078 hapd->last_gtk, hapd->last_gtk_len); 2079 } 2080 2081 sta = ap_get_sta(hapd, addr); 2082 if (!sta) 2083 return -1; 2084 2085 if (sta->last_tk_alg == WPA_ALG_NONE) 2086 return -1; 2087 2088 wpa_printf(MSG_INFO, "TESTING: Reset PN for " MACSTR, 2089 MAC2STR(sta->addr)); 2090 2091 /* First, use a zero key to avoid any possible duplicate key avoidance 2092 * in the driver. */ 2093 if (hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg, 2094 sta->addr, sta->last_tk_key_idx, 1, NULL, 0, 2095 zero, sta->last_tk_len) < 0) 2096 return -1; 2097 2098 /* Set the previously configured key to reset its TSC/RSC */ 2099 return hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg, 2100 sta->addr, sta->last_tk_key_idx, 1, NULL, 0, 2101 sta->last_tk, sta->last_tk_len); 2102 } 2103 2104 2105 static int hostapd_ctrl_set_key(struct hostapd_data *hapd, const char *cmd) 2106 { 2107 u8 addr[ETH_ALEN]; 2108 const char *pos = cmd; 2109 enum wpa_alg alg; 2110 int idx, set_tx; 2111 u8 seq[6], key[WPA_TK_MAX_LEN]; 2112 size_t key_len; 2113 2114 /* parameters: alg addr idx set_tx seq key */ 2115 2116 alg = atoi(pos); 2117 pos = os_strchr(pos, ' '); 2118 if (!pos) 2119 return -1; 2120 pos++; 2121 if (hwaddr_aton(pos, addr)) 2122 return -1; 2123 pos += 17; 2124 if (*pos != ' ') 2125 return -1; 2126 pos++; 2127 idx = atoi(pos); 2128 pos = os_strchr(pos, ' '); 2129 if (!pos) 2130 return -1; 2131 pos++; 2132 set_tx = atoi(pos); 2133 pos = os_strchr(pos, ' '); 2134 if (!pos) 2135 return -1; 2136 pos++; 2137 if (hexstr2bin(pos, seq, sizeof(seq)) < 0) 2138 return -1; 2139 pos += 2 * 6; 2140 if (*pos != ' ') 2141 return -1; 2142 pos++; 2143 key_len = os_strlen(pos) / 2; 2144 if (hexstr2bin(pos, key, key_len) < 0) 2145 return -1; 2146 2147 wpa_printf(MSG_INFO, "TESTING: Set key"); 2148 return hostapd_drv_set_key(hapd->conf->iface, hapd, alg, addr, idx, 2149 set_tx, seq, 6, key, key_len); 2150 } 2151 2152 2153 static void restore_tk(void *ctx1, void *ctx2) 2154 { 2155 struct hostapd_data *hapd = ctx1; 2156 struct sta_info *sta = ctx2; 2157 2158 wpa_printf(MSG_INFO, "TESTING: Restore TK for " MACSTR, 2159 MAC2STR(sta->addr)); 2160 /* This does not really restore the TSC properly, so this will result 2161 * in replay protection issues for now since there is no clean way of 2162 * preventing encryption of a single EAPOL frame. */ 2163 hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg, 2164 sta->addr, sta->last_tk_key_idx, 1, NULL, 0, 2165 sta->last_tk, sta->last_tk_len); 2166 } 2167 2168 2169 static int hostapd_ctrl_resend_m1(struct hostapd_data *hapd, const char *cmd) 2170 { 2171 struct sta_info *sta; 2172 u8 addr[ETH_ALEN]; 2173 int plain = os_strstr(cmd, "plaintext") != NULL; 2174 2175 if (hwaddr_aton(cmd, addr)) 2176 return -1; 2177 2178 sta = ap_get_sta(hapd, addr); 2179 if (!sta || !sta->wpa_sm) 2180 return -1; 2181 2182 if (plain && sta->last_tk_alg == WPA_ALG_NONE) 2183 plain = 0; /* no need for special processing */ 2184 if (plain) { 2185 wpa_printf(MSG_INFO, "TESTING: Clear TK for " MACSTR, 2186 MAC2STR(sta->addr)); 2187 hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_NONE, 2188 sta->addr, sta->last_tk_key_idx, 0, NULL, 0, 2189 NULL, 0); 2190 } 2191 2192 wpa_printf(MSG_INFO, "TESTING: Send M1 to " MACSTR, MAC2STR(sta->addr)); 2193 return wpa_auth_resend_m1(sta->wpa_sm, 2194 os_strstr(cmd, "change-anonce") != NULL, 2195 plain ? restore_tk : NULL, hapd, sta); 2196 } 2197 2198 2199 static int hostapd_ctrl_resend_m3(struct hostapd_data *hapd, const char *cmd) 2200 { 2201 struct sta_info *sta; 2202 u8 addr[ETH_ALEN]; 2203 int plain = os_strstr(cmd, "plaintext") != NULL; 2204 2205 if (hwaddr_aton(cmd, addr)) 2206 return -1; 2207 2208 sta = ap_get_sta(hapd, addr); 2209 if (!sta || !sta->wpa_sm) 2210 return -1; 2211 2212 if (plain && sta->last_tk_alg == WPA_ALG_NONE) 2213 plain = 0; /* no need for special processing */ 2214 if (plain) { 2215 wpa_printf(MSG_INFO, "TESTING: Clear TK for " MACSTR, 2216 MAC2STR(sta->addr)); 2217 hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_NONE, 2218 sta->addr, sta->last_tk_key_idx, 0, NULL, 0, 2219 NULL, 0); 2220 } 2221 2222 wpa_printf(MSG_INFO, "TESTING: Send M3 to " MACSTR, MAC2STR(sta->addr)); 2223 return wpa_auth_resend_m3(sta->wpa_sm, 2224 plain ? restore_tk : NULL, hapd, sta); 2225 } 2226 2227 2228 static int hostapd_ctrl_resend_group_m1(struct hostapd_data *hapd, 2229 const char *cmd) 2230 { 2231 struct sta_info *sta; 2232 u8 addr[ETH_ALEN]; 2233 int plain = os_strstr(cmd, "plaintext") != NULL; 2234 2235 if (hwaddr_aton(cmd, addr)) 2236 return -1; 2237 2238 sta = ap_get_sta(hapd, addr); 2239 if (!sta || !sta->wpa_sm) 2240 return -1; 2241 2242 if (plain && sta->last_tk_alg == WPA_ALG_NONE) 2243 plain = 0; /* no need for special processing */ 2244 if (plain) { 2245 wpa_printf(MSG_INFO, "TESTING: Clear TK for " MACSTR, 2246 MAC2STR(sta->addr)); 2247 hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_NONE, 2248 sta->addr, sta->last_tk_key_idx, 0, NULL, 0, 2249 NULL, 0); 2250 } 2251 2252 wpa_printf(MSG_INFO, 2253 "TESTING: Send group M1 for the same GTK and zero RSC to " 2254 MACSTR, MAC2STR(sta->addr)); 2255 return wpa_auth_resend_group_m1(sta->wpa_sm, 2256 plain ? restore_tk : NULL, hapd, sta); 2257 } 2258 2259 #endif /* CONFIG_TESTING_OPTIONS */ 2260 2261 2262 static int hostapd_ctrl_iface_chan_switch(struct hostapd_iface *iface, 2263 char *pos) 2264 { 2265 #ifdef NEED_AP_MLME 2266 struct csa_settings settings; 2267 int ret; 2268 unsigned int i; 2269 2270 ret = hostapd_parse_csa_settings(pos, &settings); 2271 if (ret) 2272 return ret; 2273 2274 for (i = 0; i < iface->num_bss; i++) { 2275 2276 /* Save CHAN_SWITCH VHT config */ 2277 hostapd_chan_switch_vht_config( 2278 iface->bss[i], settings.freq_params.vht_enabled); 2279 2280 ret = hostapd_switch_channel(iface->bss[i], &settings); 2281 if (ret) { 2282 /* FIX: What do we do if CSA fails in the middle of 2283 * submitting multi-BSS CSA requests? */ 2284 return ret; 2285 } 2286 } 2287 2288 return 0; 2289 #else /* NEED_AP_MLME */ 2290 return -1; 2291 #endif /* NEED_AP_MLME */ 2292 } 2293 2294 2295 static int hostapd_ctrl_iface_mib(struct hostapd_data *hapd, char *reply, 2296 int reply_size, const char *param) 2297 { 2298 #ifdef RADIUS_SERVER 2299 if (os_strcmp(param, "radius_server") == 0) { 2300 return radius_server_get_mib(hapd->radius_srv, reply, 2301 reply_size); 2302 } 2303 #endif /* RADIUS_SERVER */ 2304 return -1; 2305 } 2306 2307 2308 static int hostapd_ctrl_iface_vendor(struct hostapd_data *hapd, char *cmd, 2309 char *buf, size_t buflen) 2310 { 2311 int ret; 2312 char *pos; 2313 u8 *data = NULL; 2314 unsigned int vendor_id, subcmd; 2315 struct wpabuf *reply; 2316 size_t data_len = 0; 2317 2318 /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */ 2319 vendor_id = strtoul(cmd, &pos, 16); 2320 if (!isblank((unsigned char) *pos)) 2321 return -EINVAL; 2322 2323 subcmd = strtoul(pos, &pos, 10); 2324 2325 if (*pos != '\0') { 2326 if (!isblank((unsigned char) *pos++)) 2327 return -EINVAL; 2328 data_len = os_strlen(pos); 2329 } 2330 2331 if (data_len) { 2332 data_len /= 2; 2333 data = os_malloc(data_len); 2334 if (!data) 2335 return -ENOBUFS; 2336 2337 if (hexstr2bin(pos, data, data_len)) { 2338 wpa_printf(MSG_DEBUG, 2339 "Vendor command: wrong parameter format"); 2340 os_free(data); 2341 return -EINVAL; 2342 } 2343 } 2344 2345 reply = wpabuf_alloc((buflen - 1) / 2); 2346 if (!reply) { 2347 os_free(data); 2348 return -ENOBUFS; 2349 } 2350 2351 ret = hostapd_drv_vendor_cmd(hapd, vendor_id, subcmd, data, data_len, 2352 reply); 2353 2354 if (ret == 0) 2355 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply), 2356 wpabuf_len(reply)); 2357 2358 wpabuf_free(reply); 2359 os_free(data); 2360 2361 return ret; 2362 } 2363 2364 2365 static int hostapd_ctrl_iface_eapol_reauth(struct hostapd_data *hapd, 2366 const char *cmd) 2367 { 2368 u8 addr[ETH_ALEN]; 2369 struct sta_info *sta; 2370 2371 if (hwaddr_aton(cmd, addr)) 2372 return -1; 2373 2374 sta = ap_get_sta(hapd, addr); 2375 if (!sta || !sta->eapol_sm) 2376 return -1; 2377 2378 eapol_auth_reauthenticate(sta->eapol_sm); 2379 return 0; 2380 } 2381 2382 2383 static int hostapd_ctrl_iface_eapol_set(struct hostapd_data *hapd, char *cmd) 2384 { 2385 u8 addr[ETH_ALEN]; 2386 struct sta_info *sta; 2387 char *pos = cmd, *param; 2388 2389 if (hwaddr_aton(pos, addr) || pos[17] != ' ') 2390 return -1; 2391 pos += 18; 2392 param = pos; 2393 pos = os_strchr(pos, ' '); 2394 if (!pos) 2395 return -1; 2396 *pos++ = '\0'; 2397 2398 sta = ap_get_sta(hapd, addr); 2399 if (!sta || !sta->eapol_sm) 2400 return -1; 2401 2402 return eapol_auth_set_conf(sta->eapol_sm, param, pos); 2403 } 2404 2405 2406 static int hostapd_ctrl_iface_log_level(struct hostapd_data *hapd, char *cmd, 2407 char *buf, size_t buflen) 2408 { 2409 char *pos, *end, *stamp; 2410 int ret; 2411 2412 /* cmd: "LOG_LEVEL [<level>]" */ 2413 if (*cmd == '\0') { 2414 pos = buf; 2415 end = buf + buflen; 2416 ret = os_snprintf(pos, end - pos, "Current level: %s\n" 2417 "Timestamp: %d\n", 2418 debug_level_str(wpa_debug_level), 2419 wpa_debug_timestamp); 2420 if (os_snprintf_error(end - pos, ret)) 2421 ret = 0; 2422 2423 return ret; 2424 } 2425 2426 while (*cmd == ' ') 2427 cmd++; 2428 2429 stamp = os_strchr(cmd, ' '); 2430 if (stamp) { 2431 *stamp++ = '\0'; 2432 while (*stamp == ' ') { 2433 stamp++; 2434 } 2435 } 2436 2437 if (os_strlen(cmd)) { 2438 int level = str_to_debug_level(cmd); 2439 if (level < 0) 2440 return -1; 2441 wpa_debug_level = level; 2442 } 2443 2444 if (stamp && os_strlen(stamp)) 2445 wpa_debug_timestamp = atoi(stamp); 2446 2447 os_memcpy(buf, "OK\n", 3); 2448 return 3; 2449 } 2450 2451 2452 #ifdef NEED_AP_MLME 2453 static int hostapd_ctrl_iface_track_sta_list(struct hostapd_data *hapd, 2454 char *buf, size_t buflen) 2455 { 2456 struct hostapd_iface *iface = hapd->iface; 2457 char *pos, *end; 2458 struct hostapd_sta_info *info; 2459 struct os_reltime now; 2460 2461 if (!iface->num_sta_seen) 2462 return 0; 2463 2464 sta_track_expire(iface, 0); 2465 2466 pos = buf; 2467 end = buf + buflen; 2468 2469 os_get_reltime(&now); 2470 dl_list_for_each_reverse(info, &iface->sta_seen, 2471 struct hostapd_sta_info, list) { 2472 struct os_reltime age; 2473 int ret; 2474 2475 os_reltime_sub(&now, &info->last_seen, &age); 2476 ret = os_snprintf(pos, end - pos, MACSTR " %u %d\n", 2477 MAC2STR(info->addr), (unsigned int) age.sec, 2478 info->ssi_signal); 2479 if (os_snprintf_error(end - pos, ret)) 2480 break; 2481 pos += ret; 2482 } 2483 2484 return pos - buf; 2485 } 2486 #endif /* NEED_AP_MLME */ 2487 2488 2489 static int hostapd_ctrl_iface_req_lci(struct hostapd_data *hapd, 2490 const char *cmd) 2491 { 2492 u8 addr[ETH_ALEN]; 2493 2494 if (hwaddr_aton(cmd, addr)) { 2495 wpa_printf(MSG_INFO, "CTRL: REQ_LCI: Invalid MAC address"); 2496 return -1; 2497 } 2498 2499 return hostapd_send_lci_req(hapd, addr); 2500 } 2501 2502 2503 static int hostapd_ctrl_iface_req_range(struct hostapd_data *hapd, char *cmd) 2504 { 2505 u8 addr[ETH_ALEN]; 2506 char *token, *context = NULL; 2507 int random_interval, min_ap; 2508 u8 responders[ETH_ALEN * RRM_RANGE_REQ_MAX_RESPONDERS]; 2509 unsigned int n_responders; 2510 2511 token = str_token(cmd, " ", &context); 2512 if (!token || hwaddr_aton(token, addr)) { 2513 wpa_printf(MSG_INFO, 2514 "CTRL: REQ_RANGE - Bad destination address"); 2515 return -1; 2516 } 2517 2518 token = str_token(cmd, " ", &context); 2519 if (!token) 2520 return -1; 2521 2522 random_interval = atoi(token); 2523 if (random_interval < 0 || random_interval > 0xffff) 2524 return -1; 2525 2526 token = str_token(cmd, " ", &context); 2527 if (!token) 2528 return -1; 2529 2530 min_ap = atoi(token); 2531 if (min_ap <= 0 || min_ap > WLAN_RRM_RANGE_REQ_MAX_MIN_AP) 2532 return -1; 2533 2534 n_responders = 0; 2535 while ((token = str_token(cmd, " ", &context))) { 2536 if (n_responders == RRM_RANGE_REQ_MAX_RESPONDERS) { 2537 wpa_printf(MSG_INFO, 2538 "CTRL: REQ_RANGE: Too many responders"); 2539 return -1; 2540 } 2541 2542 if (hwaddr_aton(token, responders + n_responders * ETH_ALEN)) { 2543 wpa_printf(MSG_INFO, 2544 "CTRL: REQ_RANGE: Bad responder address"); 2545 return -1; 2546 } 2547 2548 n_responders++; 2549 } 2550 2551 if (!n_responders) { 2552 wpa_printf(MSG_INFO, 2553 "CTRL: REQ_RANGE - No FTM responder address"); 2554 return -1; 2555 } 2556 2557 return hostapd_send_range_req(hapd, addr, random_interval, min_ap, 2558 responders, n_responders); 2559 } 2560 2561 2562 static int hostapd_ctrl_iface_req_beacon(struct hostapd_data *hapd, 2563 const char *cmd, char *reply, 2564 size_t reply_size) 2565 { 2566 u8 addr[ETH_ALEN]; 2567 const char *pos; 2568 struct wpabuf *req; 2569 int ret; 2570 u8 req_mode = 0; 2571 2572 if (hwaddr_aton(cmd, addr)) 2573 return -1; 2574 pos = os_strchr(cmd, ' '); 2575 if (!pos) 2576 return -1; 2577 pos++; 2578 if (os_strncmp(pos, "req_mode=", 9) == 0) { 2579 int val = hex2byte(pos + 9); 2580 2581 if (val < 0) 2582 return -1; 2583 req_mode = val; 2584 pos += 11; 2585 pos = os_strchr(pos, ' '); 2586 if (!pos) 2587 return -1; 2588 pos++; 2589 } 2590 req = wpabuf_parse_bin(pos); 2591 if (!req) 2592 return -1; 2593 2594 ret = hostapd_send_beacon_req(hapd, addr, req_mode, req); 2595 wpabuf_free(req); 2596 if (ret >= 0) 2597 ret = os_snprintf(reply, reply_size, "%d", ret); 2598 return ret; 2599 } 2600 2601 2602 static int hostapd_ctrl_iface_set_neighbor(struct hostapd_data *hapd, char *buf) 2603 { 2604 struct wpa_ssid_value ssid; 2605 u8 bssid[ETH_ALEN]; 2606 struct wpabuf *nr, *lci = NULL, *civic = NULL; 2607 int stationary = 0; 2608 char *tmp; 2609 int ret; 2610 2611 if (!(hapd->conf->radio_measurements[0] & 2612 WLAN_RRM_CAPS_NEIGHBOR_REPORT)) { 2613 wpa_printf(MSG_ERROR, 2614 "CTRL: SET_NEIGHBOR: Neighbor report is not enabled"); 2615 return -1; 2616 } 2617 2618 if (hwaddr_aton(buf, bssid)) { 2619 wpa_printf(MSG_ERROR, "CTRL: SET_NEIGHBOR: Bad BSSID"); 2620 return -1; 2621 } 2622 2623 tmp = os_strstr(buf, "ssid="); 2624 if (!tmp || ssid_parse(tmp + 5, &ssid)) { 2625 wpa_printf(MSG_ERROR, 2626 "CTRL: SET_NEIGHBOR: Bad or missing SSID"); 2627 return -1; 2628 } 2629 buf = os_strchr(tmp + 6, tmp[5] == '"' ? '"' : ' '); 2630 if (!buf) 2631 return -1; 2632 2633 tmp = os_strstr(buf, "nr="); 2634 if (!tmp) { 2635 wpa_printf(MSG_ERROR, 2636 "CTRL: SET_NEIGHBOR: Missing Neighbor Report element"); 2637 return -1; 2638 } 2639 2640 buf = os_strchr(tmp, ' '); 2641 if (buf) 2642 *buf++ = '\0'; 2643 2644 nr = wpabuf_parse_bin(tmp + 3); 2645 if (!nr) { 2646 wpa_printf(MSG_ERROR, 2647 "CTRL: SET_NEIGHBOR: Bad Neighbor Report element"); 2648 return -1; 2649 } 2650 2651 if (!buf) 2652 goto set; 2653 2654 tmp = os_strstr(buf, "lci="); 2655 if (tmp) { 2656 buf = os_strchr(tmp, ' '); 2657 if (buf) 2658 *buf++ = '\0'; 2659 lci = wpabuf_parse_bin(tmp + 4); 2660 if (!lci) { 2661 wpa_printf(MSG_ERROR, 2662 "CTRL: SET_NEIGHBOR: Bad LCI subelement"); 2663 wpabuf_free(nr); 2664 return -1; 2665 } 2666 } 2667 2668 if (!buf) 2669 goto set; 2670 2671 tmp = os_strstr(buf, "civic="); 2672 if (tmp) { 2673 buf = os_strchr(tmp, ' '); 2674 if (buf) 2675 *buf++ = '\0'; 2676 civic = wpabuf_parse_bin(tmp + 6); 2677 if (!civic) { 2678 wpa_printf(MSG_ERROR, 2679 "CTRL: SET_NEIGHBOR: Bad civic subelement"); 2680 wpabuf_free(nr); 2681 wpabuf_free(lci); 2682 return -1; 2683 } 2684 } 2685 2686 if (!buf) 2687 goto set; 2688 2689 if (os_strstr(buf, "stat")) 2690 stationary = 1; 2691 2692 set: 2693 ret = hostapd_neighbor_set(hapd, bssid, &ssid, nr, lci, civic, 2694 stationary); 2695 2696 wpabuf_free(nr); 2697 wpabuf_free(lci); 2698 wpabuf_free(civic); 2699 2700 return ret; 2701 } 2702 2703 2704 static int hostapd_ctrl_iface_remove_neighbor(struct hostapd_data *hapd, 2705 char *buf) 2706 { 2707 struct wpa_ssid_value ssid; 2708 u8 bssid[ETH_ALEN]; 2709 char *tmp; 2710 2711 if (hwaddr_aton(buf, bssid)) { 2712 wpa_printf(MSG_ERROR, "CTRL: REMOVE_NEIGHBOR: Bad BSSID"); 2713 return -1; 2714 } 2715 2716 tmp = os_strstr(buf, "ssid="); 2717 if (!tmp || ssid_parse(tmp + 5, &ssid)) { 2718 wpa_printf(MSG_ERROR, 2719 "CTRL: REMOVE_NEIGHBORr: Bad or missing SSID"); 2720 return -1; 2721 } 2722 2723 return hostapd_neighbor_remove(hapd, bssid, &ssid); 2724 } 2725 2726 2727 static int hostapd_ctrl_driver_flags(struct hostapd_iface *iface, char *buf, 2728 size_t buflen) 2729 { 2730 int ret, i; 2731 char *pos, *end; 2732 2733 ret = os_snprintf(buf, buflen, "%016llX:\n", 2734 (long long unsigned) iface->drv_flags); 2735 if (os_snprintf_error(buflen, ret)) 2736 return -1; 2737 2738 pos = buf + ret; 2739 end = buf + buflen; 2740 2741 for (i = 0; i < 64; i++) { 2742 if (iface->drv_flags & (1LLU << i)) { 2743 ret = os_snprintf(pos, end - pos, "%s\n", 2744 driver_flag_to_string(1LLU << i)); 2745 if (os_snprintf_error(end - pos, ret)) 2746 return -1; 2747 pos += ret; 2748 } 2749 } 2750 2751 return pos - buf; 2752 } 2753 2754 2755 static int hostapd_ctrl_iface_acl_del_mac(struct mac_acl_entry **acl, int *num, 2756 const char *txtaddr) 2757 { 2758 u8 addr[ETH_ALEN]; 2759 struct vlan_description vlan_id; 2760 2761 if (!(*num)) 2762 return 0; 2763 2764 if (hwaddr_aton(txtaddr, addr)) 2765 return -1; 2766 2767 if (hostapd_maclist_found(*acl, *num, addr, &vlan_id)) 2768 hostapd_remove_acl_mac(acl, num, addr); 2769 2770 return 0; 2771 } 2772 2773 2774 static void hostapd_ctrl_iface_acl_clear_list(struct mac_acl_entry **acl, 2775 int *num) 2776 { 2777 while (*num) 2778 hostapd_remove_acl_mac(acl, num, (*acl)[0].addr); 2779 } 2780 2781 2782 static int hostapd_ctrl_iface_acl_show_mac(struct mac_acl_entry *acl, int num, 2783 char *buf, size_t buflen) 2784 { 2785 int i = 0, len = 0, ret = 0; 2786 2787 if (!acl) 2788 return 0; 2789 2790 while (i < num) { 2791 ret = os_snprintf(buf + len, buflen - len, 2792 MACSTR " VLAN_ID=%d\n", 2793 MAC2STR(acl[i].addr), 2794 acl[i].vlan_id.untagged); 2795 if (ret < 0 || (size_t) ret >= buflen - len) 2796 return len; 2797 i++; 2798 len += ret; 2799 } 2800 return len; 2801 } 2802 2803 2804 static int hostapd_ctrl_iface_acl_add_mac(struct mac_acl_entry **acl, int *num, 2805 const char *cmd) 2806 { 2807 u8 addr[ETH_ALEN]; 2808 struct vlan_description vlan_id; 2809 int ret = 0, vlanid = 0; 2810 const char *pos; 2811 2812 if (hwaddr_aton(cmd, addr)) 2813 return -1; 2814 2815 pos = os_strstr(cmd, "VLAN_ID="); 2816 if (pos) 2817 vlanid = atoi(pos + 8); 2818 2819 if (!hostapd_maclist_found(*acl, *num, addr, &vlan_id)) { 2820 ret = hostapd_add_acl_maclist(acl, num, vlanid, addr); 2821 if (ret != -1 && *acl) 2822 qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp); 2823 } 2824 2825 return ret < 0 ? -1 : 0; 2826 } 2827 2828 2829 static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd, 2830 char *buf, char *reply, 2831 int reply_size, 2832 struct sockaddr_storage *from, 2833 socklen_t fromlen) 2834 { 2835 int reply_len, res; 2836 2837 os_memcpy(reply, "OK\n", 3); 2838 reply_len = 3; 2839 2840 if (os_strcmp(buf, "PING") == 0) { 2841 os_memcpy(reply, "PONG\n", 5); 2842 reply_len = 5; 2843 } else if (os_strncmp(buf, "RELOG", 5) == 0) { 2844 if (wpa_debug_reopen_file() < 0) 2845 reply_len = -1; 2846 } else if (os_strncmp(buf, "NOTE ", 5) == 0) { 2847 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5); 2848 } else if (os_strcmp(buf, "STATUS") == 0) { 2849 reply_len = hostapd_ctrl_iface_status(hapd, reply, 2850 reply_size); 2851 } else if (os_strcmp(buf, "STATUS-DRIVER") == 0) { 2852 reply_len = hostapd_drv_status(hapd, reply, reply_size); 2853 } else if (os_strcmp(buf, "MIB") == 0) { 2854 reply_len = ieee802_11_get_mib(hapd, reply, reply_size); 2855 if (reply_len >= 0) { 2856 res = wpa_get_mib(hapd->wpa_auth, reply + reply_len, 2857 reply_size - reply_len); 2858 if (res < 0) 2859 reply_len = -1; 2860 else 2861 reply_len += res; 2862 } 2863 if (reply_len >= 0) { 2864 res = ieee802_1x_get_mib(hapd, reply + reply_len, 2865 reply_size - reply_len); 2866 if (res < 0) 2867 reply_len = -1; 2868 else 2869 reply_len += res; 2870 } 2871 #ifndef CONFIG_NO_RADIUS 2872 if (reply_len >= 0) { 2873 res = radius_client_get_mib(hapd->radius, 2874 reply + reply_len, 2875 reply_size - reply_len); 2876 if (res < 0) 2877 reply_len = -1; 2878 else 2879 reply_len += res; 2880 } 2881 #endif /* CONFIG_NO_RADIUS */ 2882 } else if (os_strncmp(buf, "MIB ", 4) == 0) { 2883 reply_len = hostapd_ctrl_iface_mib(hapd, reply, reply_size, 2884 buf + 4); 2885 } else if (os_strcmp(buf, "STA-FIRST") == 0) { 2886 reply_len = hostapd_ctrl_iface_sta_first(hapd, reply, 2887 reply_size); 2888 } else if (os_strncmp(buf, "STA ", 4) == 0) { 2889 reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply, 2890 reply_size); 2891 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) { 2892 reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply, 2893 reply_size); 2894 } else if (os_strcmp(buf, "ATTACH") == 0) { 2895 if (hostapd_ctrl_iface_attach(hapd, from, fromlen, NULL)) 2896 reply_len = -1; 2897 } else if (os_strncmp(buf, "ATTACH ", 7) == 0) { 2898 if (hostapd_ctrl_iface_attach(hapd, from, fromlen, buf + 7)) 2899 reply_len = -1; 2900 } else if (os_strcmp(buf, "DETACH") == 0) { 2901 if (hostapd_ctrl_iface_detach(hapd, from, fromlen)) 2902 reply_len = -1; 2903 } else if (os_strncmp(buf, "LEVEL ", 6) == 0) { 2904 if (hostapd_ctrl_iface_level(hapd, from, fromlen, 2905 buf + 6)) 2906 reply_len = -1; 2907 } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) { 2908 if (hostapd_ctrl_iface_new_sta(hapd, buf + 8)) 2909 reply_len = -1; 2910 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) { 2911 if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15)) 2912 reply_len = -1; 2913 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) { 2914 if (hostapd_ctrl_iface_disassociate(hapd, buf + 13)) 2915 reply_len = -1; 2916 #ifdef CONFIG_TAXONOMY 2917 } else if (os_strncmp(buf, "SIGNATURE ", 10) == 0) { 2918 reply_len = hostapd_ctrl_iface_signature(hapd, buf + 10, 2919 reply, reply_size); 2920 #endif /* CONFIG_TAXONOMY */ 2921 } else if (os_strncmp(buf, "POLL_STA ", 9) == 0) { 2922 if (hostapd_ctrl_iface_poll_sta(hapd, buf + 9)) 2923 reply_len = -1; 2924 } else if (os_strcmp(buf, "STOP_AP") == 0) { 2925 if (hostapd_ctrl_iface_stop_ap(hapd)) 2926 reply_len = -1; 2927 #ifdef CONFIG_IEEE80211W 2928 #ifdef NEED_AP_MLME 2929 } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) { 2930 if (hostapd_ctrl_iface_sa_query(hapd, buf + 9)) 2931 reply_len = -1; 2932 #endif /* NEED_AP_MLME */ 2933 #endif /* CONFIG_IEEE80211W */ 2934 #ifdef CONFIG_WPS 2935 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) { 2936 if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8)) 2937 reply_len = -1; 2938 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) { 2939 reply_len = hostapd_ctrl_iface_wps_check_pin( 2940 hapd, buf + 14, reply, reply_size); 2941 } else if (os_strcmp(buf, "WPS_PBC") == 0) { 2942 if (hostapd_wps_button_pushed(hapd, NULL)) 2943 reply_len = -1; 2944 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) { 2945 if (hostapd_wps_cancel(hapd)) 2946 reply_len = -1; 2947 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) { 2948 reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11, 2949 reply, reply_size); 2950 } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) { 2951 if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0) 2952 reply_len = -1; 2953 } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) { 2954 reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply, 2955 reply_size); 2956 #ifdef CONFIG_WPS_NFC 2957 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) { 2958 if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17)) 2959 reply_len = -1; 2960 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) { 2961 reply_len = hostapd_ctrl_iface_wps_nfc_config_token( 2962 hapd, buf + 21, reply, reply_size); 2963 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) { 2964 reply_len = hostapd_ctrl_iface_wps_nfc_token( 2965 hapd, buf + 14, reply, reply_size); 2966 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) { 2967 reply_len = hostapd_ctrl_iface_nfc_get_handover_sel( 2968 hapd, buf + 21, reply, reply_size); 2969 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) { 2970 if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20)) 2971 reply_len = -1; 2972 #endif /* CONFIG_WPS_NFC */ 2973 #endif /* CONFIG_WPS */ 2974 #ifdef CONFIG_INTERWORKING 2975 } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) { 2976 if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16)) 2977 reply_len = -1; 2978 } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) { 2979 if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18)) 2980 reply_len = -1; 2981 #endif /* CONFIG_INTERWORKING */ 2982 #ifdef CONFIG_HS20 2983 } else if (os_strncmp(buf, "HS20_WNM_NOTIF ", 15) == 0) { 2984 if (hostapd_ctrl_iface_hs20_wnm_notif(hapd, buf + 15)) 2985 reply_len = -1; 2986 } else if (os_strncmp(buf, "HS20_DEAUTH_REQ ", 16) == 0) { 2987 if (hostapd_ctrl_iface_hs20_deauth_req(hapd, buf + 16)) 2988 reply_len = -1; 2989 #endif /* CONFIG_HS20 */ 2990 #ifdef CONFIG_WNM_AP 2991 } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) { 2992 if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18)) 2993 reply_len = -1; 2994 } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) { 2995 if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13)) 2996 reply_len = -1; 2997 } else if (os_strncmp(buf, "BSS_TM_REQ ", 11) == 0) { 2998 if (hostapd_ctrl_iface_bss_tm_req(hapd, buf + 11)) 2999 reply_len = -1; 3000 } else if (os_strncmp(buf, "COLOC_INTF_REQ ", 15) == 0) { 3001 if (hostapd_ctrl_iface_coloc_intf_req(hapd, buf + 15)) 3002 reply_len = -1; 3003 #endif /* CONFIG_WNM_AP */ 3004 } else if (os_strcmp(buf, "GET_CONFIG") == 0) { 3005 reply_len = hostapd_ctrl_iface_get_config(hapd, reply, 3006 reply_size); 3007 } else if (os_strncmp(buf, "SET ", 4) == 0) { 3008 if (hostapd_ctrl_iface_set(hapd, buf + 4)) 3009 reply_len = -1; 3010 } else if (os_strncmp(buf, "GET ", 4) == 0) { 3011 reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply, 3012 reply_size); 3013 } else if (os_strncmp(buf, "ENABLE", 6) == 0) { 3014 if (hostapd_ctrl_iface_enable(hapd->iface)) 3015 reply_len = -1; 3016 } else if (os_strncmp(buf, "RELOAD", 6) == 0) { 3017 if (hostapd_ctrl_iface_reload(hapd->iface)) 3018 reply_len = -1; 3019 } else if (os_strncmp(buf, "DISABLE", 7) == 0) { 3020 if (hostapd_ctrl_iface_disable(hapd->iface)) 3021 reply_len = -1; 3022 } else if (os_strcmp(buf, "UPDATE_BEACON") == 0) { 3023 if (ieee802_11_set_beacon(hapd)) 3024 reply_len = -1; 3025 #ifdef CONFIG_TESTING_OPTIONS 3026 } else if (os_strncmp(buf, "RADAR ", 6) == 0) { 3027 if (hostapd_ctrl_iface_radar(hapd, buf + 6)) 3028 reply_len = -1; 3029 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) { 3030 if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8)) 3031 reply_len = -1; 3032 } else if (os_strncmp(buf, "MGMT_TX_STATUS_PROCESS ", 23) == 0) { 3033 if (hostapd_ctrl_iface_mgmt_tx_status_process(hapd, 3034 buf + 23) < 0) 3035 reply_len = -1; 3036 } else if (os_strncmp(buf, "MGMT_RX_PROCESS ", 16) == 0) { 3037 if (hostapd_ctrl_iface_mgmt_rx_process(hapd, buf + 16) < 0) 3038 reply_len = -1; 3039 } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) { 3040 if (hostapd_ctrl_iface_eapol_rx(hapd, buf + 9) < 0) 3041 reply_len = -1; 3042 } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) { 3043 if (hostapd_ctrl_iface_data_test_config(hapd, buf + 17) < 0) 3044 reply_len = -1; 3045 } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) { 3046 if (hostapd_ctrl_iface_data_test_tx(hapd, buf + 13) < 0) 3047 reply_len = -1; 3048 } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) { 3049 if (hostapd_ctrl_iface_data_test_frame(hapd, buf + 16) < 0) 3050 reply_len = -1; 3051 } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) { 3052 if (hostapd_ctrl_test_alloc_fail(hapd, buf + 16) < 0) 3053 reply_len = -1; 3054 } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) { 3055 reply_len = hostapd_ctrl_get_alloc_fail(hapd, reply, 3056 reply_size); 3057 } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) { 3058 if (hostapd_ctrl_test_fail(hapd, buf + 10) < 0) 3059 reply_len = -1; 3060 } else if (os_strcmp(buf, "GET_FAIL") == 0) { 3061 reply_len = hostapd_ctrl_get_fail(hapd, reply, reply_size); 3062 } else if (os_strncmp(buf, "RESET_PN ", 9) == 0) { 3063 if (hostapd_ctrl_reset_pn(hapd, buf + 9) < 0) 3064 reply_len = -1; 3065 } else if (os_strncmp(buf, "SET_KEY ", 8) == 0) { 3066 if (hostapd_ctrl_set_key(hapd, buf + 8) < 0) 3067 reply_len = -1; 3068 } else if (os_strncmp(buf, "RESEND_M1 ", 10) == 0) { 3069 if (hostapd_ctrl_resend_m1(hapd, buf + 10) < 0) 3070 reply_len = -1; 3071 } else if (os_strncmp(buf, "RESEND_M3 ", 10) == 0) { 3072 if (hostapd_ctrl_resend_m3(hapd, buf + 10) < 0) 3073 reply_len = -1; 3074 } else if (os_strncmp(buf, "RESEND_GROUP_M1 ", 16) == 0) { 3075 if (hostapd_ctrl_resend_group_m1(hapd, buf + 16) < 0) 3076 reply_len = -1; 3077 } else if (os_strcmp(buf, "REKEY_GTK") == 0) { 3078 if (wpa_auth_rekey_gtk(hapd->wpa_auth) < 0) 3079 reply_len = -1; 3080 #endif /* CONFIG_TESTING_OPTIONS */ 3081 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) { 3082 if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12)) 3083 reply_len = -1; 3084 } else if (os_strncmp(buf, "VENDOR ", 7) == 0) { 3085 reply_len = hostapd_ctrl_iface_vendor(hapd, buf + 7, reply, 3086 reply_size); 3087 } else if (os_strcmp(buf, "ERP_FLUSH") == 0) { 3088 ieee802_1x_erp_flush(hapd); 3089 #ifdef RADIUS_SERVER 3090 radius_server_erp_flush(hapd->radius_srv); 3091 #endif /* RADIUS_SERVER */ 3092 } else if (os_strncmp(buf, "EAPOL_REAUTH ", 13) == 0) { 3093 if (hostapd_ctrl_iface_eapol_reauth(hapd, buf + 13)) 3094 reply_len = -1; 3095 } else if (os_strncmp(buf, "EAPOL_SET ", 10) == 0) { 3096 if (hostapd_ctrl_iface_eapol_set(hapd, buf + 10)) 3097 reply_len = -1; 3098 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) { 3099 reply_len = hostapd_ctrl_iface_log_level( 3100 hapd, buf + 9, reply, reply_size); 3101 #ifdef NEED_AP_MLME 3102 } else if (os_strcmp(buf, "TRACK_STA_LIST") == 0) { 3103 reply_len = hostapd_ctrl_iface_track_sta_list( 3104 hapd, reply, reply_size); 3105 #endif /* NEED_AP_MLME */ 3106 } else if (os_strcmp(buf, "PMKSA") == 0) { 3107 reply_len = hostapd_ctrl_iface_pmksa_list(hapd, reply, 3108 reply_size); 3109 } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) { 3110 hostapd_ctrl_iface_pmksa_flush(hapd); 3111 } else if (os_strncmp(buf, "PMKSA_ADD ", 10) == 0) { 3112 if (hostapd_ctrl_iface_pmksa_add(hapd, buf + 10) < 0) 3113 reply_len = -1; 3114 } else if (os_strncmp(buf, "SET_NEIGHBOR ", 13) == 0) { 3115 if (hostapd_ctrl_iface_set_neighbor(hapd, buf + 13)) 3116 reply_len = -1; 3117 } else if (os_strncmp(buf, "REMOVE_NEIGHBOR ", 16) == 0) { 3118 if (hostapd_ctrl_iface_remove_neighbor(hapd, buf + 16)) 3119 reply_len = -1; 3120 } else if (os_strncmp(buf, "REQ_LCI ", 8) == 0) { 3121 if (hostapd_ctrl_iface_req_lci(hapd, buf + 8)) 3122 reply_len = -1; 3123 } else if (os_strncmp(buf, "REQ_RANGE ", 10) == 0) { 3124 if (hostapd_ctrl_iface_req_range(hapd, buf + 10)) 3125 reply_len = -1; 3126 } else if (os_strncmp(buf, "REQ_BEACON ", 11) == 0) { 3127 reply_len = hostapd_ctrl_iface_req_beacon(hapd, buf + 11, 3128 reply, reply_size); 3129 } else if (os_strcmp(buf, "DRIVER_FLAGS") == 0) { 3130 reply_len = hostapd_ctrl_driver_flags(hapd->iface, reply, 3131 reply_size); 3132 } else if (os_strcmp(buf, "TERMINATE") == 0) { 3133 eloop_terminate(); 3134 } else if (os_strncmp(buf, "ACCEPT_ACL ", 11) == 0) { 3135 if (os_strncmp(buf + 11, "ADD_MAC ", 8) == 0) { 3136 if (!hostapd_ctrl_iface_acl_add_mac( 3137 &hapd->conf->accept_mac, 3138 &hapd->conf->num_accept_mac, buf + 19)) 3139 hostapd_disassoc_accept_mac(hapd); 3140 else 3141 reply_len = -1; 3142 } else if (os_strncmp((buf + 11), "DEL_MAC ", 8) == 0) { 3143 hostapd_ctrl_iface_acl_del_mac( 3144 &hapd->conf->accept_mac, 3145 &hapd->conf->num_accept_mac, buf + 19); 3146 } else if (os_strcmp(buf + 11, "SHOW") == 0) { 3147 reply_len = hostapd_ctrl_iface_acl_show_mac( 3148 hapd->conf->accept_mac, 3149 hapd->conf->num_accept_mac, reply, reply_size); 3150 } else if (os_strcmp(buf + 11, "CLEAR") == 0) { 3151 hostapd_ctrl_iface_acl_clear_list( 3152 &hapd->conf->accept_mac, 3153 &hapd->conf->num_accept_mac); 3154 } 3155 } else if (os_strncmp(buf, "DENY_ACL ", 9) == 0) { 3156 if (os_strncmp(buf + 9, "ADD_MAC ", 8) == 0) { 3157 if (!hostapd_ctrl_iface_acl_add_mac( 3158 &hapd->conf->deny_mac, 3159 &hapd->conf->num_deny_mac, buf + 17)) 3160 hostapd_disassoc_deny_mac(hapd); 3161 } else if (os_strncmp(buf + 9, "DEL_MAC ", 8) == 0) { 3162 hostapd_ctrl_iface_acl_del_mac( 3163 &hapd->conf->deny_mac, 3164 &hapd->conf->num_deny_mac, buf + 17); 3165 } else if (os_strcmp(buf + 9, "SHOW") == 0) { 3166 reply_len = hostapd_ctrl_iface_acl_show_mac( 3167 hapd->conf->deny_mac, 3168 hapd->conf->num_deny_mac, reply, reply_size); 3169 } else if (os_strcmp(buf + 9, "CLEAR") == 0) { 3170 hostapd_ctrl_iface_acl_clear_list( 3171 &hapd->conf->deny_mac, 3172 &hapd->conf->num_deny_mac); 3173 } 3174 #ifdef CONFIG_DPP 3175 } else if (os_strncmp(buf, "DPP_QR_CODE ", 12) == 0) { 3176 res = hostapd_dpp_qr_code(hapd, buf + 12); 3177 if (res < 0) { 3178 reply_len = -1; 3179 } else { 3180 reply_len = os_snprintf(reply, reply_size, "%d", res); 3181 if (os_snprintf_error(reply_size, reply_len)) 3182 reply_len = -1; 3183 } 3184 } else if (os_strncmp(buf, "DPP_BOOTSTRAP_GEN ", 18) == 0) { 3185 res = hostapd_dpp_bootstrap_gen(hapd, buf + 18); 3186 if (res < 0) { 3187 reply_len = -1; 3188 } else { 3189 reply_len = os_snprintf(reply, reply_size, "%d", res); 3190 if (os_snprintf_error(reply_size, reply_len)) 3191 reply_len = -1; 3192 } 3193 } else if (os_strncmp(buf, "DPP_BOOTSTRAP_REMOVE ", 21) == 0) { 3194 if (hostapd_dpp_bootstrap_remove(hapd, buf + 21) < 0) 3195 reply_len = -1; 3196 } else if (os_strncmp(buf, "DPP_BOOTSTRAP_GET_URI ", 22) == 0) { 3197 const char *uri; 3198 3199 uri = hostapd_dpp_bootstrap_get_uri(hapd, atoi(buf + 22)); 3200 if (!uri) { 3201 reply_len = -1; 3202 } else { 3203 reply_len = os_snprintf(reply, reply_size, "%s", uri); 3204 if (os_snprintf_error(reply_size, reply_len)) 3205 reply_len = -1; 3206 } 3207 } else if (os_strncmp(buf, "DPP_BOOTSTRAP_INFO ", 19) == 0) { 3208 reply_len = hostapd_dpp_bootstrap_info(hapd, atoi(buf + 19), 3209 reply, reply_size); 3210 } else if (os_strncmp(buf, "DPP_AUTH_INIT ", 14) == 0) { 3211 if (hostapd_dpp_auth_init(hapd, buf + 13) < 0) 3212 reply_len = -1; 3213 } else if (os_strncmp(buf, "DPP_LISTEN ", 11) == 0) { 3214 if (hostapd_dpp_listen(hapd, buf + 11) < 0) 3215 reply_len = -1; 3216 } else if (os_strcmp(buf, "DPP_STOP_LISTEN") == 0) { 3217 hostapd_dpp_stop(hapd); 3218 hostapd_dpp_listen_stop(hapd); 3219 } else if (os_strncmp(buf, "DPP_CONFIGURATOR_ADD", 20) == 0) { 3220 res = hostapd_dpp_configurator_add(hapd, buf + 20); 3221 if (res < 0) { 3222 reply_len = -1; 3223 } else { 3224 reply_len = os_snprintf(reply, reply_size, "%d", res); 3225 if (os_snprintf_error(reply_size, reply_len)) 3226 reply_len = -1; 3227 } 3228 } else if (os_strncmp(buf, "DPP_CONFIGURATOR_REMOVE ", 24) == 0) { 3229 if (hostapd_dpp_configurator_remove(hapd, buf + 24) < 0) 3230 reply_len = -1; 3231 } else if (os_strncmp(buf, "DPP_CONFIGURATOR_SIGN ", 22) == 0) { 3232 if (hostapd_dpp_configurator_sign(hapd, buf + 22) < 0) 3233 reply_len = -1; 3234 } else if (os_strncmp(buf, "DPP_CONFIGURATOR_GET_KEY ", 25) == 0) { 3235 reply_len = hostapd_dpp_configurator_get_key(hapd, 3236 atoi(buf + 25), 3237 reply, reply_size); 3238 } else if (os_strncmp(buf, "DPP_PKEX_ADD ", 13) == 0) { 3239 res = hostapd_dpp_pkex_add(hapd, buf + 12); 3240 if (res < 0) { 3241 reply_len = -1; 3242 } else { 3243 reply_len = os_snprintf(reply, reply_size, "%d", res); 3244 if (os_snprintf_error(reply_size, reply_len)) 3245 reply_len = -1; 3246 } 3247 } else if (os_strncmp(buf, "DPP_PKEX_REMOVE ", 16) == 0) { 3248 if (hostapd_dpp_pkex_remove(hapd, buf + 16) < 0) 3249 reply_len = -1; 3250 #endif /* CONFIG_DPP */ 3251 #ifdef RADIUS_SERVER 3252 } else if (os_strncmp(buf, "DAC_REQUEST ", 12) == 0) { 3253 if (radius_server_dac_request(hapd->radius_srv, buf + 12) < 0) 3254 reply_len = -1; 3255 #endif /* RADIUS_SERVER */ 3256 } else { 3257 os_memcpy(reply, "UNKNOWN COMMAND\n", 16); 3258 reply_len = 16; 3259 } 3260 3261 if (reply_len < 0) { 3262 os_memcpy(reply, "FAIL\n", 5); 3263 reply_len = 5; 3264 } 3265 3266 return reply_len; 3267 } 3268 3269 3270 static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx, 3271 void *sock_ctx) 3272 { 3273 struct hostapd_data *hapd = eloop_ctx; 3274 char buf[4096]; 3275 int res; 3276 struct sockaddr_storage from; 3277 socklen_t fromlen = sizeof(from); 3278 char *reply, *pos = buf; 3279 const int reply_size = 4096; 3280 int reply_len; 3281 int level = MSG_DEBUG; 3282 #ifdef CONFIG_CTRL_IFACE_UDP 3283 unsigned char lcookie[COOKIE_LEN]; 3284 #endif /* CONFIG_CTRL_IFACE_UDP */ 3285 3286 res = recvfrom(sock, buf, sizeof(buf) - 1, 0, 3287 (struct sockaddr *) &from, &fromlen); 3288 if (res < 0) { 3289 wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s", 3290 strerror(errno)); 3291 return; 3292 } 3293 buf[res] = '\0'; 3294 3295 reply = os_malloc(reply_size); 3296 if (reply == NULL) { 3297 if (sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from, 3298 fromlen) < 0) { 3299 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s", 3300 strerror(errno)); 3301 } 3302 return; 3303 } 3304 3305 #ifdef CONFIG_CTRL_IFACE_UDP 3306 if (os_strcmp(buf, "GET_COOKIE") == 0) { 3307 os_memcpy(reply, "COOKIE=", 7); 3308 wpa_snprintf_hex(reply + 7, 2 * COOKIE_LEN + 1, 3309 cookie, COOKIE_LEN); 3310 reply_len = 7 + 2 * COOKIE_LEN; 3311 goto done; 3312 } 3313 3314 if (os_strncmp(buf, "COOKIE=", 7) != 0 || 3315 hexstr2bin(buf + 7, lcookie, COOKIE_LEN) < 0) { 3316 wpa_printf(MSG_DEBUG, 3317 "CTRL: No cookie in the request - drop request"); 3318 os_free(reply); 3319 return; 3320 } 3321 3322 if (os_memcmp(cookie, lcookie, COOKIE_LEN) != 0) { 3323 wpa_printf(MSG_DEBUG, 3324 "CTRL: Invalid cookie in the request - drop request"); 3325 os_free(reply); 3326 return; 3327 } 3328 3329 pos = buf + 7 + 2 * COOKIE_LEN; 3330 while (*pos == ' ') 3331 pos++; 3332 #endif /* CONFIG_CTRL_IFACE_UDP */ 3333 3334 if (os_strcmp(pos, "PING") == 0) 3335 level = MSG_EXCESSIVE; 3336 wpa_hexdump_ascii(level, "RX ctrl_iface", pos, res); 3337 3338 reply_len = hostapd_ctrl_iface_receive_process(hapd, pos, 3339 reply, reply_size, 3340 &from, fromlen); 3341 3342 #ifdef CONFIG_CTRL_IFACE_UDP 3343 done: 3344 #endif /* CONFIG_CTRL_IFACE_UDP */ 3345 if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, 3346 fromlen) < 0) { 3347 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s", 3348 strerror(errno)); 3349 } 3350 os_free(reply); 3351 } 3352 3353 3354 #ifndef CONFIG_CTRL_IFACE_UDP 3355 static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd) 3356 { 3357 char *buf; 3358 size_t len; 3359 3360 if (hapd->conf->ctrl_interface == NULL) 3361 return NULL; 3362 3363 len = os_strlen(hapd->conf->ctrl_interface) + 3364 os_strlen(hapd->conf->iface) + 2; 3365 buf = os_malloc(len); 3366 if (buf == NULL) 3367 return NULL; 3368 3369 os_snprintf(buf, len, "%s/%s", 3370 hapd->conf->ctrl_interface, hapd->conf->iface); 3371 buf[len - 1] = '\0'; 3372 return buf; 3373 } 3374 #endif /* CONFIG_CTRL_IFACE_UDP */ 3375 3376 3377 static void hostapd_ctrl_iface_msg_cb(void *ctx, int level, 3378 enum wpa_msg_type type, 3379 const char *txt, size_t len) 3380 { 3381 struct hostapd_data *hapd = ctx; 3382 if (hapd == NULL) 3383 return; 3384 hostapd_ctrl_iface_send(hapd, level, type, txt, len); 3385 } 3386 3387 3388 int hostapd_ctrl_iface_init(struct hostapd_data *hapd) 3389 { 3390 #ifdef CONFIG_CTRL_IFACE_UDP 3391 int port = HOSTAPD_CTRL_IFACE_PORT; 3392 char p[32] = { 0 }; 3393 char port_str[40], *tmp; 3394 char *pos; 3395 struct addrinfo hints = { 0 }, *res, *saveres; 3396 int n; 3397 3398 if (hapd->ctrl_sock > -1) { 3399 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!"); 3400 return 0; 3401 } 3402 3403 if (hapd->conf->ctrl_interface == NULL) 3404 return 0; 3405 3406 pos = os_strstr(hapd->conf->ctrl_interface, "udp:"); 3407 if (pos) { 3408 pos += 4; 3409 port = atoi(pos); 3410 if (port <= 0) { 3411 wpa_printf(MSG_ERROR, "Invalid ctrl_iface UDP port"); 3412 goto fail; 3413 } 3414 } 3415 3416 dl_list_init(&hapd->ctrl_dst); 3417 hapd->ctrl_sock = -1; 3418 os_get_random(cookie, COOKIE_LEN); 3419 3420 #ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 3421 hints.ai_flags = AI_PASSIVE; 3422 #endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 3423 3424 #ifdef CONFIG_CTRL_IFACE_UDP_IPV6 3425 hints.ai_family = AF_INET6; 3426 #else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 3427 hints.ai_family = AF_INET; 3428 #endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 3429 hints.ai_socktype = SOCK_DGRAM; 3430 3431 try_again: 3432 os_snprintf(p, sizeof(p), "%d", port); 3433 n = getaddrinfo(NULL, p, &hints, &res); 3434 if (n) { 3435 wpa_printf(MSG_ERROR, "getaddrinfo(): %s", gai_strerror(n)); 3436 goto fail; 3437 } 3438 3439 saveres = res; 3440 hapd->ctrl_sock = socket(res->ai_family, res->ai_socktype, 3441 res->ai_protocol); 3442 if (hapd->ctrl_sock < 0) { 3443 wpa_printf(MSG_ERROR, "socket(PF_INET): %s", strerror(errno)); 3444 goto fail; 3445 } 3446 3447 if (bind(hapd->ctrl_sock, res->ai_addr, res->ai_addrlen) < 0) { 3448 port--; 3449 if ((HOSTAPD_CTRL_IFACE_PORT - port) < 3450 HOSTAPD_CTRL_IFACE_PORT_LIMIT && !pos) 3451 goto try_again; 3452 wpa_printf(MSG_ERROR, "bind(AF_INET): %s", strerror(errno)); 3453 goto fail; 3454 } 3455 3456 freeaddrinfo(saveres); 3457 3458 os_snprintf(port_str, sizeof(port_str), "udp:%d", port); 3459 tmp = os_strdup(port_str); 3460 if (tmp) { 3461 os_free(hapd->conf->ctrl_interface); 3462 hapd->conf->ctrl_interface = tmp; 3463 } 3464 wpa_printf(MSG_DEBUG, "ctrl_iface_init UDP port: %d", port); 3465 3466 if (eloop_register_read_sock(hapd->ctrl_sock, 3467 hostapd_ctrl_iface_receive, hapd, NULL) < 3468 0) { 3469 hostapd_ctrl_iface_deinit(hapd); 3470 return -1; 3471 } 3472 3473 hapd->msg_ctx = hapd; 3474 wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb); 3475 3476 return 0; 3477 3478 fail: 3479 if (hapd->ctrl_sock >= 0) 3480 close(hapd->ctrl_sock); 3481 return -1; 3482 #else /* CONFIG_CTRL_IFACE_UDP */ 3483 struct sockaddr_un addr; 3484 int s = -1; 3485 char *fname = NULL; 3486 3487 if (hapd->ctrl_sock > -1) { 3488 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!"); 3489 return 0; 3490 } 3491 3492 dl_list_init(&hapd->ctrl_dst); 3493 3494 if (hapd->conf->ctrl_interface == NULL) 3495 return 0; 3496 3497 if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) { 3498 if (errno == EEXIST) { 3499 wpa_printf(MSG_DEBUG, "Using existing control " 3500 "interface directory."); 3501 } else { 3502 wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s", 3503 strerror(errno)); 3504 goto fail; 3505 } 3506 } 3507 3508 if (hapd->conf->ctrl_interface_gid_set && 3509 chown(hapd->conf->ctrl_interface, -1, 3510 hapd->conf->ctrl_interface_gid) < 0) { 3511 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s", 3512 strerror(errno)); 3513 return -1; 3514 } 3515 3516 if (!hapd->conf->ctrl_interface_gid_set && 3517 hapd->iface->interfaces->ctrl_iface_group && 3518 chown(hapd->conf->ctrl_interface, -1, 3519 hapd->iface->interfaces->ctrl_iface_group) < 0) { 3520 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s", 3521 strerror(errno)); 3522 return -1; 3523 } 3524 3525 #ifdef ANDROID 3526 /* 3527 * Android is using umask 0077 which would leave the control interface 3528 * directory without group access. This breaks things since Wi-Fi 3529 * framework assumes that this directory can be accessed by other 3530 * applications in the wifi group. Fix this by adding group access even 3531 * if umask value would prevent this. 3532 */ 3533 if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) { 3534 wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s", 3535 strerror(errno)); 3536 /* Try to continue anyway */ 3537 } 3538 #endif /* ANDROID */ 3539 3540 if (os_strlen(hapd->conf->ctrl_interface) + 1 + 3541 os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path)) 3542 goto fail; 3543 3544 s = socket(PF_UNIX, SOCK_DGRAM, 0); 3545 if (s < 0) { 3546 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno)); 3547 goto fail; 3548 } 3549 3550 os_memset(&addr, 0, sizeof(addr)); 3551 #ifdef __FreeBSD__ 3552 addr.sun_len = sizeof(addr); 3553 #endif /* __FreeBSD__ */ 3554 addr.sun_family = AF_UNIX; 3555 fname = hostapd_ctrl_iface_path(hapd); 3556 if (fname == NULL) 3557 goto fail; 3558 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path)); 3559 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { 3560 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s", 3561 strerror(errno)); 3562 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { 3563 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not" 3564 " allow connections - assuming it was left" 3565 "over from forced program termination"); 3566 if (unlink(fname) < 0) { 3567 wpa_printf(MSG_ERROR, 3568 "Could not unlink existing ctrl_iface socket '%s': %s", 3569 fname, strerror(errno)); 3570 goto fail; 3571 } 3572 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 3573 0) { 3574 wpa_printf(MSG_ERROR, 3575 "hostapd-ctrl-iface: bind(PF_UNIX): %s", 3576 strerror(errno)); 3577 goto fail; 3578 } 3579 wpa_printf(MSG_DEBUG, "Successfully replaced leftover " 3580 "ctrl_iface socket '%s'", fname); 3581 } else { 3582 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to " 3583 "be in use - cannot override it"); 3584 wpa_printf(MSG_INFO, "Delete '%s' manually if it is " 3585 "not used anymore", fname); 3586 os_free(fname); 3587 fname = NULL; 3588 goto fail; 3589 } 3590 } 3591 3592 if (hapd->conf->ctrl_interface_gid_set && 3593 chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) { 3594 wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s", 3595 strerror(errno)); 3596 goto fail; 3597 } 3598 3599 if (!hapd->conf->ctrl_interface_gid_set && 3600 hapd->iface->interfaces->ctrl_iface_group && 3601 chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) { 3602 wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s", 3603 strerror(errno)); 3604 goto fail; 3605 } 3606 3607 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) { 3608 wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s", 3609 strerror(errno)); 3610 goto fail; 3611 } 3612 os_free(fname); 3613 3614 hapd->ctrl_sock = s; 3615 if (eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd, 3616 NULL) < 0) { 3617 hostapd_ctrl_iface_deinit(hapd); 3618 return -1; 3619 } 3620 hapd->msg_ctx = hapd; 3621 wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb); 3622 3623 return 0; 3624 3625 fail: 3626 if (s >= 0) 3627 close(s); 3628 if (fname) { 3629 unlink(fname); 3630 os_free(fname); 3631 } 3632 return -1; 3633 #endif /* CONFIG_CTRL_IFACE_UDP */ 3634 } 3635 3636 3637 void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd) 3638 { 3639 struct wpa_ctrl_dst *dst, *prev; 3640 3641 if (hapd->ctrl_sock > -1) { 3642 #ifndef CONFIG_CTRL_IFACE_UDP 3643 char *fname; 3644 #endif /* !CONFIG_CTRL_IFACE_UDP */ 3645 3646 eloop_unregister_read_sock(hapd->ctrl_sock); 3647 close(hapd->ctrl_sock); 3648 hapd->ctrl_sock = -1; 3649 #ifndef CONFIG_CTRL_IFACE_UDP 3650 fname = hostapd_ctrl_iface_path(hapd); 3651 if (fname) 3652 unlink(fname); 3653 os_free(fname); 3654 3655 if (hapd->conf->ctrl_interface && 3656 rmdir(hapd->conf->ctrl_interface) < 0) { 3657 if (errno == ENOTEMPTY) { 3658 wpa_printf(MSG_DEBUG, "Control interface " 3659 "directory not empty - leaving it " 3660 "behind"); 3661 } else { 3662 wpa_printf(MSG_ERROR, 3663 "rmdir[ctrl_interface=%s]: %s", 3664 hapd->conf->ctrl_interface, 3665 strerror(errno)); 3666 } 3667 } 3668 #endif /* !CONFIG_CTRL_IFACE_UDP */ 3669 } 3670 3671 dl_list_for_each_safe(dst, prev, &hapd->ctrl_dst, struct wpa_ctrl_dst, 3672 list) 3673 os_free(dst); 3674 3675 #ifdef CONFIG_TESTING_OPTIONS 3676 l2_packet_deinit(hapd->l2_test); 3677 hapd->l2_test = NULL; 3678 #endif /* CONFIG_TESTING_OPTIONS */ 3679 } 3680 3681 3682 static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces, 3683 char *buf) 3684 { 3685 if (hostapd_add_iface(interfaces, buf) < 0) { 3686 wpa_printf(MSG_ERROR, "Adding interface %s failed", buf); 3687 return -1; 3688 } 3689 return 0; 3690 } 3691 3692 3693 static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces, 3694 char *buf) 3695 { 3696 if (hostapd_remove_iface(interfaces, buf) < 0) { 3697 wpa_printf(MSG_ERROR, "Removing interface %s failed", buf); 3698 return -1; 3699 } 3700 return 0; 3701 } 3702 3703 3704 static int hostapd_global_ctrl_iface_attach(struct hapd_interfaces *interfaces, 3705 struct sockaddr_storage *from, 3706 socklen_t fromlen, char *input) 3707 { 3708 return ctrl_iface_attach(&interfaces->global_ctrl_dst, from, fromlen, 3709 input); 3710 } 3711 3712 3713 static int hostapd_global_ctrl_iface_detach(struct hapd_interfaces *interfaces, 3714 struct sockaddr_storage *from, 3715 socklen_t fromlen) 3716 { 3717 return ctrl_iface_detach(&interfaces->global_ctrl_dst, from, fromlen); 3718 } 3719 3720 3721 static void hostapd_ctrl_iface_flush(struct hapd_interfaces *interfaces) 3722 { 3723 #ifdef CONFIG_WPS_TESTING 3724 wps_version_number = 0x20; 3725 wps_testing_dummy_cred = 0; 3726 wps_corrupt_pkhash = 0; 3727 #endif /* CONFIG_WPS_TESTING */ 3728 3729 #ifdef CONFIG_TESTING_OPTIONS 3730 #ifdef CONFIG_DPP 3731 dpp_test = DPP_TEST_DISABLED; 3732 #endif /* CONFIG_DPP */ 3733 #endif /* CONFIG_TESTING_OPTIONS */ 3734 3735 #ifdef CONFIG_DPP 3736 hostapd_dpp_deinit_global(interfaces); 3737 #endif /* CONFIG_DPP */ 3738 } 3739 3740 3741 #ifdef CONFIG_FST 3742 3743 static int 3744 hostapd_global_ctrl_iface_fst_attach(struct hapd_interfaces *interfaces, 3745 const char *cmd) 3746 { 3747 char ifname[IFNAMSIZ + 1]; 3748 struct fst_iface_cfg cfg; 3749 struct hostapd_data *hapd; 3750 struct fst_wpa_obj iface_obj; 3751 3752 if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) { 3753 hapd = hostapd_get_iface(interfaces, ifname); 3754 if (hapd) { 3755 if (hapd->iface->fst) { 3756 wpa_printf(MSG_INFO, "FST: Already attached"); 3757 return -1; 3758 } 3759 fst_hostapd_fill_iface_obj(hapd, &iface_obj); 3760 hapd->iface->fst = fst_attach(ifname, hapd->own_addr, 3761 &iface_obj, &cfg); 3762 if (hapd->iface->fst) 3763 return 0; 3764 } 3765 } 3766 3767 return -EINVAL; 3768 } 3769 3770 3771 static int 3772 hostapd_global_ctrl_iface_fst_detach(struct hapd_interfaces *interfaces, 3773 const char *cmd) 3774 { 3775 char ifname[IFNAMSIZ + 1]; 3776 struct hostapd_data * hapd; 3777 3778 if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) { 3779 hapd = hostapd_get_iface(interfaces, ifname); 3780 if (hapd) { 3781 if (!fst_iface_detach(ifname)) { 3782 hapd->iface->fst = NULL; 3783 hapd->iface->fst_ies = NULL; 3784 return 0; 3785 } 3786 } 3787 } 3788 3789 return -EINVAL; 3790 } 3791 3792 #endif /* CONFIG_FST */ 3793 3794 3795 static struct hostapd_data * 3796 hostapd_interfaces_get_hapd(struct hapd_interfaces *interfaces, 3797 const char *ifname) 3798 { 3799 size_t i, j; 3800 3801 for (i = 0; i < interfaces->count; i++) { 3802 struct hostapd_iface *iface = interfaces->iface[i]; 3803 3804 for (j = 0; j < iface->num_bss; j++) { 3805 struct hostapd_data *hapd; 3806 3807 hapd = iface->bss[j]; 3808 if (os_strcmp(ifname, hapd->conf->iface) == 0) 3809 return hapd; 3810 } 3811 } 3812 3813 return NULL; 3814 } 3815 3816 3817 static int hostapd_ctrl_iface_dup_param(struct hostapd_data *src_hapd, 3818 struct hostapd_data *dst_hapd, 3819 const char *param) 3820 { 3821 int res; 3822 char *value; 3823 3824 value = os_zalloc(HOSTAPD_CLI_DUP_VALUE_MAX_LEN); 3825 if (!value) { 3826 wpa_printf(MSG_ERROR, 3827 "DUP: cannot allocate buffer to stringify %s", 3828 param); 3829 goto error_return; 3830 } 3831 3832 if (os_strcmp(param, "wpa") == 0) { 3833 os_snprintf(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, "%d", 3834 src_hapd->conf->wpa); 3835 } else if (os_strcmp(param, "wpa_key_mgmt") == 0 && 3836 src_hapd->conf->wpa_key_mgmt) { 3837 res = hostapd_ctrl_iface_get_key_mgmt( 3838 src_hapd, value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN); 3839 if (os_snprintf_error(HOSTAPD_CLI_DUP_VALUE_MAX_LEN, res)) 3840 goto error_stringify; 3841 } else if (os_strcmp(param, "wpa_pairwise") == 0 && 3842 src_hapd->conf->wpa_pairwise) { 3843 res = wpa_write_ciphers(value, 3844 value + HOSTAPD_CLI_DUP_VALUE_MAX_LEN, 3845 src_hapd->conf->wpa_pairwise, " "); 3846 if (res < 0) 3847 goto error_stringify; 3848 } else if (os_strcmp(param, "rsn_pairwise") == 0 && 3849 src_hapd->conf->rsn_pairwise) { 3850 res = wpa_write_ciphers(value, 3851 value + HOSTAPD_CLI_DUP_VALUE_MAX_LEN, 3852 src_hapd->conf->rsn_pairwise, " "); 3853 if (res < 0) 3854 goto error_stringify; 3855 } else if (os_strcmp(param, "wpa_passphrase") == 0 && 3856 src_hapd->conf->ssid.wpa_passphrase) { 3857 os_snprintf(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, "%s", 3858 src_hapd->conf->ssid.wpa_passphrase); 3859 } else if (os_strcmp(param, "wpa_psk") == 0 && 3860 src_hapd->conf->ssid.wpa_psk_set) { 3861 wpa_snprintf_hex(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, 3862 src_hapd->conf->ssid.wpa_psk->psk, PMK_LEN); 3863 } else { 3864 wpa_printf(MSG_WARNING, "DUP: %s cannot be duplicated", param); 3865 goto error_return; 3866 } 3867 3868 res = hostapd_set_iface(dst_hapd->iconf, dst_hapd->conf, param, value); 3869 os_free(value); 3870 return res; 3871 3872 error_stringify: 3873 wpa_printf(MSG_ERROR, "DUP: cannot stringify %s", param); 3874 error_return: 3875 os_free(value); 3876 return -1; 3877 } 3878 3879 3880 static int 3881 hostapd_global_ctrl_iface_interfaces(struct hapd_interfaces *interfaces, 3882 const char *input, 3883 char *reply, int reply_size) 3884 { 3885 size_t i, j; 3886 int res; 3887 char *pos, *end; 3888 struct hostapd_iface *iface; 3889 int show_ctrl = 0; 3890 3891 if (input) 3892 show_ctrl = !!os_strstr(input, "ctrl"); 3893 3894 pos = reply; 3895 end = reply + reply_size; 3896 3897 for (i = 0; i < interfaces->count; i++) { 3898 iface = interfaces->iface[i]; 3899 3900 for (j = 0; j < iface->num_bss; j++) { 3901 struct hostapd_bss_config *conf; 3902 3903 conf = iface->conf->bss[j]; 3904 if (show_ctrl) 3905 res = os_snprintf(pos, end - pos, 3906 "%s ctrl_iface=%s\n", 3907 conf->iface, 3908 conf->ctrl_interface ? 3909 conf->ctrl_interface : "N/A"); 3910 else 3911 res = os_snprintf(pos, end - pos, "%s\n", 3912 conf->iface); 3913 if (os_snprintf_error(end - pos, res)) { 3914 *pos = '\0'; 3915 return pos - reply; 3916 } 3917 pos += res; 3918 } 3919 } 3920 3921 return pos - reply; 3922 } 3923 3924 3925 static int 3926 hostapd_global_ctrl_iface_dup_network(struct hapd_interfaces *interfaces, 3927 char *cmd) 3928 { 3929 char *p_start = cmd, *p_end; 3930 struct hostapd_data *src_hapd, *dst_hapd; 3931 3932 /* cmd: "<src ifname> <dst ifname> <variable name> */ 3933 3934 p_end = os_strchr(p_start, ' '); 3935 if (!p_end) { 3936 wpa_printf(MSG_ERROR, "DUP: no src ifname found in cmd: '%s'", 3937 cmd); 3938 return -1; 3939 } 3940 3941 *p_end = '\0'; 3942 src_hapd = hostapd_interfaces_get_hapd(interfaces, p_start); 3943 if (!src_hapd) { 3944 wpa_printf(MSG_ERROR, "DUP: no src ifname found: '%s'", 3945 p_start); 3946 return -1; 3947 } 3948 3949 p_start = p_end + 1; 3950 p_end = os_strchr(p_start, ' '); 3951 if (!p_end) { 3952 wpa_printf(MSG_ERROR, "DUP: no dst ifname found in cmd: '%s'", 3953 cmd); 3954 return -1; 3955 } 3956 3957 *p_end = '\0'; 3958 dst_hapd = hostapd_interfaces_get_hapd(interfaces, p_start); 3959 if (!dst_hapd) { 3960 wpa_printf(MSG_ERROR, "DUP: no dst ifname found: '%s'", 3961 p_start); 3962 return -1; 3963 } 3964 3965 p_start = p_end + 1; 3966 return hostapd_ctrl_iface_dup_param(src_hapd, dst_hapd, p_start); 3967 } 3968 3969 3970 static int hostapd_global_ctrl_iface_ifname(struct hapd_interfaces *interfaces, 3971 const char *ifname, 3972 char *buf, char *reply, 3973 int reply_size, 3974 struct sockaddr_storage *from, 3975 socklen_t fromlen) 3976 { 3977 struct hostapd_data *hapd; 3978 3979 hapd = hostapd_interfaces_get_hapd(interfaces, ifname); 3980 if (hapd == NULL) { 3981 int res; 3982 3983 res = os_snprintf(reply, reply_size, "FAIL-NO-IFNAME-MATCH\n"); 3984 if (os_snprintf_error(reply_size, res)) 3985 return -1; 3986 return res; 3987 } 3988 3989 return hostapd_ctrl_iface_receive_process(hapd, buf, reply,reply_size, 3990 from, fromlen); 3991 } 3992 3993 3994 static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx, 3995 void *sock_ctx) 3996 { 3997 void *interfaces = eloop_ctx; 3998 char buffer[256], *buf = buffer; 3999 int res; 4000 struct sockaddr_storage from; 4001 socklen_t fromlen = sizeof(from); 4002 char *reply; 4003 int reply_len; 4004 const int reply_size = 4096; 4005 #ifdef CONFIG_CTRL_IFACE_UDP 4006 unsigned char lcookie[COOKIE_LEN]; 4007 #endif /* CONFIG_CTRL_IFACE_UDP */ 4008 4009 res = recvfrom(sock, buffer, sizeof(buffer) - 1, 0, 4010 (struct sockaddr *) &from, &fromlen); 4011 if (res < 0) { 4012 wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s", 4013 strerror(errno)); 4014 return; 4015 } 4016 buf[res] = '\0'; 4017 wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf); 4018 4019 reply = os_malloc(reply_size); 4020 if (reply == NULL) { 4021 if (sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from, 4022 fromlen) < 0) { 4023 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s", 4024 strerror(errno)); 4025 } 4026 return; 4027 } 4028 4029 os_memcpy(reply, "OK\n", 3); 4030 reply_len = 3; 4031 4032 #ifdef CONFIG_CTRL_IFACE_UDP 4033 if (os_strcmp(buf, "GET_COOKIE") == 0) { 4034 os_memcpy(reply, "COOKIE=", 7); 4035 wpa_snprintf_hex(reply + 7, 2 * COOKIE_LEN + 1, 4036 gcookie, COOKIE_LEN); 4037 reply_len = 7 + 2 * COOKIE_LEN; 4038 goto send_reply; 4039 } 4040 4041 if (os_strncmp(buf, "COOKIE=", 7) != 0 || 4042 hexstr2bin(buf + 7, lcookie, COOKIE_LEN) < 0) { 4043 wpa_printf(MSG_DEBUG, 4044 "CTRL: No cookie in the request - drop request"); 4045 os_free(reply); 4046 return; 4047 } 4048 4049 if (os_memcmp(gcookie, lcookie, COOKIE_LEN) != 0) { 4050 wpa_printf(MSG_DEBUG, 4051 "CTRL: Invalid cookie in the request - drop request"); 4052 os_free(reply); 4053 return; 4054 } 4055 4056 buf += 7 + 2 * COOKIE_LEN; 4057 while (*buf == ' ') 4058 buf++; 4059 #endif /* CONFIG_CTRL_IFACE_UDP */ 4060 4061 if (os_strncmp(buf, "IFNAME=", 7) == 0) { 4062 char *pos = os_strchr(buf + 7, ' '); 4063 4064 if (pos) { 4065 *pos++ = '\0'; 4066 reply_len = hostapd_global_ctrl_iface_ifname( 4067 interfaces, buf + 7, pos, reply, reply_size, 4068 &from, fromlen); 4069 goto send_reply; 4070 } 4071 } 4072 4073 if (os_strcmp(buf, "PING") == 0) { 4074 os_memcpy(reply, "PONG\n", 5); 4075 reply_len = 5; 4076 } else if (os_strncmp(buf, "RELOG", 5) == 0) { 4077 if (wpa_debug_reopen_file() < 0) 4078 reply_len = -1; 4079 } else if (os_strcmp(buf, "FLUSH") == 0) { 4080 hostapd_ctrl_iface_flush(interfaces); 4081 } else if (os_strncmp(buf, "ADD ", 4) == 0) { 4082 if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0) 4083 reply_len = -1; 4084 } else if (os_strncmp(buf, "REMOVE ", 7) == 0) { 4085 if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0) 4086 reply_len = -1; 4087 } else if (os_strcmp(buf, "ATTACH") == 0) { 4088 if (hostapd_global_ctrl_iface_attach(interfaces, &from, 4089 fromlen, NULL)) 4090 reply_len = -1; 4091 } else if (os_strncmp(buf, "ATTACH ", 7) == 0) { 4092 if (hostapd_global_ctrl_iface_attach(interfaces, &from, 4093 fromlen, buf + 7)) 4094 reply_len = -1; 4095 } else if (os_strcmp(buf, "DETACH") == 0) { 4096 if (hostapd_global_ctrl_iface_detach(interfaces, &from, 4097 fromlen)) 4098 reply_len = -1; 4099 #ifdef CONFIG_MODULE_TESTS 4100 } else if (os_strcmp(buf, "MODULE_TESTS") == 0) { 4101 if (hapd_module_tests() < 0) 4102 reply_len = -1; 4103 #endif /* CONFIG_MODULE_TESTS */ 4104 #ifdef CONFIG_FST 4105 } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) { 4106 if (!hostapd_global_ctrl_iface_fst_attach(interfaces, buf + 11)) 4107 reply_len = os_snprintf(reply, reply_size, "OK\n"); 4108 else 4109 reply_len = -1; 4110 } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) { 4111 if (!hostapd_global_ctrl_iface_fst_detach(interfaces, buf + 11)) 4112 reply_len = os_snprintf(reply, reply_size, "OK\n"); 4113 else 4114 reply_len = -1; 4115 } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) { 4116 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size); 4117 #endif /* CONFIG_FST */ 4118 } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) { 4119 if (!hostapd_global_ctrl_iface_dup_network(interfaces, 4120 buf + 12)) 4121 reply_len = os_snprintf(reply, reply_size, "OK\n"); 4122 else 4123 reply_len = -1; 4124 } else if (os_strncmp(buf, "INTERFACES", 10) == 0) { 4125 reply_len = hostapd_global_ctrl_iface_interfaces( 4126 interfaces, buf + 10, reply, sizeof(buffer)); 4127 } else if (os_strcmp(buf, "TERMINATE") == 0) { 4128 eloop_terminate(); 4129 } else { 4130 wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command " 4131 "ignored"); 4132 reply_len = -1; 4133 } 4134 4135 send_reply: 4136 if (reply_len < 0) { 4137 os_memcpy(reply, "FAIL\n", 5); 4138 reply_len = 5; 4139 } 4140 4141 if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, 4142 fromlen) < 0) { 4143 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s", 4144 strerror(errno)); 4145 } 4146 os_free(reply); 4147 } 4148 4149 4150 #ifndef CONFIG_CTRL_IFACE_UDP 4151 static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface) 4152 { 4153 char *buf; 4154 size_t len; 4155 4156 if (interface->global_iface_path == NULL) 4157 return NULL; 4158 4159 len = os_strlen(interface->global_iface_path) + 4160 os_strlen(interface->global_iface_name) + 2; 4161 buf = os_malloc(len); 4162 if (buf == NULL) 4163 return NULL; 4164 4165 os_snprintf(buf, len, "%s/%s", interface->global_iface_path, 4166 interface->global_iface_name); 4167 buf[len - 1] = '\0'; 4168 return buf; 4169 } 4170 #endif /* CONFIG_CTRL_IFACE_UDP */ 4171 4172 4173 int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface) 4174 { 4175 #ifdef CONFIG_CTRL_IFACE_UDP 4176 int port = HOSTAPD_GLOBAL_CTRL_IFACE_PORT; 4177 char p[32] = { 0 }; 4178 char *pos; 4179 struct addrinfo hints = { 0 }, *res, *saveres; 4180 int n; 4181 4182 if (interface->global_ctrl_sock > -1) { 4183 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!"); 4184 return 0; 4185 } 4186 4187 if (interface->global_iface_path == NULL) 4188 return 0; 4189 4190 pos = os_strstr(interface->global_iface_path, "udp:"); 4191 if (pos) { 4192 pos += 4; 4193 port = atoi(pos); 4194 if (port <= 0) { 4195 wpa_printf(MSG_ERROR, "Invalid global ctrl UDP port"); 4196 goto fail; 4197 } 4198 } 4199 4200 os_get_random(gcookie, COOKIE_LEN); 4201 4202 #ifdef CONFIG_CTRL_IFACE_UDP_REMOTE 4203 hints.ai_flags = AI_PASSIVE; 4204 #endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ 4205 4206 #ifdef CONFIG_CTRL_IFACE_UDP_IPV6 4207 hints.ai_family = AF_INET6; 4208 #else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 4209 hints.ai_family = AF_INET; 4210 #endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ 4211 hints.ai_socktype = SOCK_DGRAM; 4212 4213 try_again: 4214 os_snprintf(p, sizeof(p), "%d", port); 4215 n = getaddrinfo(NULL, p, &hints, &res); 4216 if (n) { 4217 wpa_printf(MSG_ERROR, "getaddrinfo(): %s", gai_strerror(n)); 4218 goto fail; 4219 } 4220 4221 saveres = res; 4222 interface->global_ctrl_sock = socket(res->ai_family, res->ai_socktype, 4223 res->ai_protocol); 4224 if (interface->global_ctrl_sock < 0) { 4225 wpa_printf(MSG_ERROR, "socket(PF_INET): %s", strerror(errno)); 4226 goto fail; 4227 } 4228 4229 if (bind(interface->global_ctrl_sock, res->ai_addr, res->ai_addrlen) < 4230 0) { 4231 port++; 4232 if ((port - HOSTAPD_GLOBAL_CTRL_IFACE_PORT) < 4233 HOSTAPD_GLOBAL_CTRL_IFACE_PORT_LIMIT && !pos) 4234 goto try_again; 4235 wpa_printf(MSG_ERROR, "bind(AF_INET): %s", strerror(errno)); 4236 goto fail; 4237 } 4238 4239 freeaddrinfo(saveres); 4240 4241 wpa_printf(MSG_DEBUG, "global ctrl_iface_init UDP port: %d", port); 4242 4243 if (eloop_register_read_sock(interface->global_ctrl_sock, 4244 hostapd_global_ctrl_iface_receive, 4245 interface, NULL) < 0) { 4246 hostapd_global_ctrl_iface_deinit(interface); 4247 return -1; 4248 } 4249 4250 return 0; 4251 4252 fail: 4253 if (interface->global_ctrl_sock >= 0) 4254 close(interface->global_ctrl_sock); 4255 return -1; 4256 #else /* CONFIG_CTRL_IFACE_UDP */ 4257 struct sockaddr_un addr; 4258 int s = -1; 4259 char *fname = NULL; 4260 4261 if (interface->global_iface_path == NULL) { 4262 wpa_printf(MSG_DEBUG, "ctrl_iface not configured!"); 4263 return 0; 4264 } 4265 4266 if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) { 4267 if (errno == EEXIST) { 4268 wpa_printf(MSG_DEBUG, "Using existing control " 4269 "interface directory."); 4270 } else { 4271 wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s", 4272 strerror(errno)); 4273 goto fail; 4274 } 4275 } else if (interface->ctrl_iface_group && 4276 chown(interface->global_iface_path, -1, 4277 interface->ctrl_iface_group) < 0) { 4278 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s", 4279 strerror(errno)); 4280 goto fail; 4281 } 4282 4283 if (os_strlen(interface->global_iface_path) + 1 + 4284 os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path)) 4285 goto fail; 4286 4287 s = socket(PF_UNIX, SOCK_DGRAM, 0); 4288 if (s < 0) { 4289 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno)); 4290 goto fail; 4291 } 4292 4293 os_memset(&addr, 0, sizeof(addr)); 4294 #ifdef __FreeBSD__ 4295 addr.sun_len = sizeof(addr); 4296 #endif /* __FreeBSD__ */ 4297 addr.sun_family = AF_UNIX; 4298 fname = hostapd_global_ctrl_iface_path(interface); 4299 if (fname == NULL) 4300 goto fail; 4301 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path)); 4302 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { 4303 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s", 4304 strerror(errno)); 4305 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { 4306 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not" 4307 " allow connections - assuming it was left" 4308 "over from forced program termination"); 4309 if (unlink(fname) < 0) { 4310 wpa_printf(MSG_ERROR, 4311 "Could not unlink existing ctrl_iface socket '%s': %s", 4312 fname, strerror(errno)); 4313 goto fail; 4314 } 4315 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 4316 0) { 4317 wpa_printf(MSG_ERROR, "bind(PF_UNIX): %s", 4318 strerror(errno)); 4319 goto fail; 4320 } 4321 wpa_printf(MSG_DEBUG, "Successfully replaced leftover " 4322 "ctrl_iface socket '%s'", fname); 4323 } else { 4324 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to " 4325 "be in use - cannot override it"); 4326 wpa_printf(MSG_INFO, "Delete '%s' manually if it is " 4327 "not used anymore", fname); 4328 os_free(fname); 4329 fname = NULL; 4330 goto fail; 4331 } 4332 } 4333 4334 if (interface->ctrl_iface_group && 4335 chown(fname, -1, interface->ctrl_iface_group) < 0) { 4336 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s", 4337 strerror(errno)); 4338 goto fail; 4339 } 4340 4341 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) { 4342 wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s", 4343 strerror(errno)); 4344 goto fail; 4345 } 4346 os_free(fname); 4347 4348 interface->global_ctrl_sock = s; 4349 eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive, 4350 interface, NULL); 4351 4352 return 0; 4353 4354 fail: 4355 if (s >= 0) 4356 close(s); 4357 if (fname) { 4358 unlink(fname); 4359 os_free(fname); 4360 } 4361 return -1; 4362 #endif /* CONFIG_CTRL_IFACE_UDP */ 4363 } 4364 4365 4366 void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces) 4367 { 4368 #ifndef CONFIG_CTRL_IFACE_UDP 4369 char *fname = NULL; 4370 #endif /* CONFIG_CTRL_IFACE_UDP */ 4371 struct wpa_ctrl_dst *dst, *prev; 4372 4373 if (interfaces->global_ctrl_sock > -1) { 4374 eloop_unregister_read_sock(interfaces->global_ctrl_sock); 4375 close(interfaces->global_ctrl_sock); 4376 interfaces->global_ctrl_sock = -1; 4377 #ifndef CONFIG_CTRL_IFACE_UDP 4378 fname = hostapd_global_ctrl_iface_path(interfaces); 4379 if (fname) { 4380 unlink(fname); 4381 os_free(fname); 4382 } 4383 4384 if (interfaces->global_iface_path && 4385 rmdir(interfaces->global_iface_path) < 0) { 4386 if (errno == ENOTEMPTY) { 4387 wpa_printf(MSG_DEBUG, "Control interface " 4388 "directory not empty - leaving it " 4389 "behind"); 4390 } else { 4391 wpa_printf(MSG_ERROR, 4392 "rmdir[ctrl_interface=%s]: %s", 4393 interfaces->global_iface_path, 4394 strerror(errno)); 4395 } 4396 } 4397 #endif /* CONFIG_CTRL_IFACE_UDP */ 4398 } 4399 4400 os_free(interfaces->global_iface_path); 4401 interfaces->global_iface_path = NULL; 4402 4403 dl_list_for_each_safe(dst, prev, &interfaces->global_ctrl_dst, 4404 struct wpa_ctrl_dst, list) 4405 os_free(dst); 4406 } 4407 4408 4409 static int hostapd_ctrl_check_event_enabled(struct wpa_ctrl_dst *dst, 4410 const char *buf) 4411 { 4412 /* Enable Probe Request events based on explicit request. 4413 * Other events are enabled by default. 4414 */ 4415 if (str_starts(buf, RX_PROBE_REQUEST)) 4416 return !!(dst->events & WPA_EVENT_RX_PROBE_REQUEST); 4417 return 1; 4418 } 4419 4420 4421 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level, 4422 enum wpa_msg_type type, 4423 const char *buf, size_t len) 4424 { 4425 struct wpa_ctrl_dst *dst, *next; 4426 struct dl_list *ctrl_dst; 4427 struct msghdr msg; 4428 int idx; 4429 struct iovec io[2]; 4430 char levelstr[10]; 4431 int s; 4432 4433 if (type != WPA_MSG_ONLY_GLOBAL) { 4434 s = hapd->ctrl_sock; 4435 ctrl_dst = &hapd->ctrl_dst; 4436 } else { 4437 s = hapd->iface->interfaces->global_ctrl_sock; 4438 ctrl_dst = &hapd->iface->interfaces->global_ctrl_dst; 4439 } 4440 4441 if (s < 0 || dl_list_empty(ctrl_dst)) 4442 return; 4443 4444 os_snprintf(levelstr, sizeof(levelstr), "<%d>", level); 4445 io[0].iov_base = levelstr; 4446 io[0].iov_len = os_strlen(levelstr); 4447 io[1].iov_base = (char *) buf; 4448 io[1].iov_len = len; 4449 os_memset(&msg, 0, sizeof(msg)); 4450 msg.msg_iov = io; 4451 msg.msg_iovlen = 2; 4452 4453 idx = 0; 4454 dl_list_for_each_safe(dst, next, ctrl_dst, struct wpa_ctrl_dst, list) { 4455 if ((level >= dst->debug_level) && 4456 hostapd_ctrl_check_event_enabled(dst, buf)) { 4457 sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor send", 4458 &dst->addr, dst->addrlen); 4459 msg.msg_name = &dst->addr; 4460 msg.msg_namelen = dst->addrlen; 4461 if (sendmsg(s, &msg, 0) < 0) { 4462 int _errno = errno; 4463 wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: " 4464 "%d - %s", 4465 idx, errno, strerror(errno)); 4466 dst->errors++; 4467 if (dst->errors > 10 || _errno == ENOENT) { 4468 if (type != WPA_MSG_ONLY_GLOBAL) 4469 hostapd_ctrl_iface_detach( 4470 hapd, &dst->addr, 4471 dst->addrlen); 4472 else 4473 hostapd_global_ctrl_iface_detach( 4474 hapd->iface->interfaces, 4475 &dst->addr, 4476 dst->addrlen); 4477 } 4478 } else 4479 dst->errors = 0; 4480 } 4481 idx++; 4482 } 4483 } 4484 4485 #endif /* CONFIG_NATIVE_WINDOWS */ 4486