1 /* 2 * WPA Supplicant / Configuration parser and common functions 3 * Copyright (c) 2003-2015, Jouni Malinen <j (at) w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "includes.h" 10 11 #include "common.h" 12 #include "utils/uuid.h" 13 #include "utils/ip_addr.h" 14 #include "crypto/sha1.h" 15 #include "rsn_supp/wpa.h" 16 #include "eap_peer/eap.h" 17 #include "p2p/p2p.h" 18 #include "config.h" 19 20 21 #if !defined(CONFIG_CTRL_IFACE) && defined(CONFIG_NO_CONFIG_WRITE) 22 #define NO_CONFIG_WRITE 23 #endif 24 25 /* 26 * Structure for network configuration parsing. This data is used to implement 27 * a generic parser for each network block variable. The table of configuration 28 * variables is defined below in this file (ssid_fields[]). 29 */ 30 struct parse_data { 31 /* Configuration variable name */ 32 char *name; 33 34 /* Parser function for this variable */ 35 int (*parser)(const struct parse_data *data, struct wpa_ssid *ssid, 36 int line, const char *value); 37 38 #ifndef NO_CONFIG_WRITE 39 /* Writer function (i.e., to get the variable in text format from 40 * internal presentation). */ 41 char * (*writer)(const struct parse_data *data, struct wpa_ssid *ssid); 42 #endif /* NO_CONFIG_WRITE */ 43 44 /* Variable specific parameters for the parser. */ 45 void *param1, *param2, *param3, *param4; 46 47 /* 0 = this variable can be included in debug output and ctrl_iface 48 * 1 = this variable contains key/private data and it must not be 49 * included in debug output unless explicitly requested. In 50 * addition, this variable will not be readable through the 51 * ctrl_iface. 52 */ 53 int key_data; 54 }; 55 56 57 static int wpa_config_parse_str(const struct parse_data *data, 58 struct wpa_ssid *ssid, 59 int line, const char *value) 60 { 61 size_t res_len, *dst_len; 62 char **dst, *tmp; 63 64 if (os_strcmp(value, "NULL") == 0) { 65 wpa_printf(MSG_DEBUG, "Unset configuration string '%s'", 66 data->name); 67 tmp = NULL; 68 res_len = 0; 69 goto set; 70 } 71 72 tmp = wpa_config_parse_string(value, &res_len); 73 if (tmp == NULL) { 74 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.", 75 line, data->name, 76 data->key_data ? "[KEY DATA REMOVED]" : value); 77 return -1; 78 } 79 80 if (data->key_data) { 81 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name, 82 (u8 *) tmp, res_len); 83 } else { 84 wpa_hexdump_ascii(MSG_MSGDUMP, data->name, 85 (u8 *) tmp, res_len); 86 } 87 88 if (data->param3 && res_len < (size_t) data->param3) { 89 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu " 90 "min_len=%ld)", line, data->name, 91 (unsigned long) res_len, (long) data->param3); 92 os_free(tmp); 93 return -1; 94 } 95 96 if (data->param4 && res_len > (size_t) data->param4) { 97 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu " 98 "max_len=%ld)", line, data->name, 99 (unsigned long) res_len, (long) data->param4); 100 os_free(tmp); 101 return -1; 102 } 103 104 set: 105 dst = (char **) (((u8 *) ssid) + (long) data->param1); 106 dst_len = (size_t *) (((u8 *) ssid) + (long) data->param2); 107 os_free(*dst); 108 *dst = tmp; 109 if (data->param2) 110 *dst_len = res_len; 111 112 return 0; 113 } 114 115 116 #ifndef NO_CONFIG_WRITE 117 static char * wpa_config_write_string_ascii(const u8 *value, size_t len) 118 { 119 char *buf; 120 121 buf = os_malloc(len + 3); 122 if (buf == NULL) 123 return NULL; 124 buf[0] = '"'; 125 os_memcpy(buf + 1, value, len); 126 buf[len + 1] = '"'; 127 buf[len + 2] = '\0'; 128 129 return buf; 130 } 131 132 133 static char * wpa_config_write_string_hex(const u8 *value, size_t len) 134 { 135 char *buf; 136 137 buf = os_zalloc(2 * len + 1); 138 if (buf == NULL) 139 return NULL; 140 wpa_snprintf_hex(buf, 2 * len + 1, value, len); 141 142 return buf; 143 } 144 145 146 static char * wpa_config_write_string(const u8 *value, size_t len) 147 { 148 if (value == NULL) 149 return NULL; 150 151 if (is_hex(value, len)) 152 return wpa_config_write_string_hex(value, len); 153 else 154 return wpa_config_write_string_ascii(value, len); 155 } 156 157 158 static char * wpa_config_write_str(const struct parse_data *data, 159 struct wpa_ssid *ssid) 160 { 161 size_t len; 162 char **src; 163 164 src = (char **) (((u8 *) ssid) + (long) data->param1); 165 if (*src == NULL) 166 return NULL; 167 168 if (data->param2) 169 len = *((size_t *) (((u8 *) ssid) + (long) data->param2)); 170 else 171 len = os_strlen(*src); 172 173 return wpa_config_write_string((const u8 *) *src, len); 174 } 175 #endif /* NO_CONFIG_WRITE */ 176 177 178 static int wpa_config_parse_int(const struct parse_data *data, 179 struct wpa_ssid *ssid, 180 int line, const char *value) 181 { 182 int val, *dst; 183 char *end; 184 185 dst = (int *) (((u8 *) ssid) + (long) data->param1); 186 val = strtol(value, &end, 0); 187 if (*end) { 188 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"", 189 line, value); 190 return -1; 191 } 192 *dst = val; 193 wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst); 194 195 if (data->param3 && *dst < (long) data->param3) { 196 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d " 197 "min_value=%ld)", line, data->name, *dst, 198 (long) data->param3); 199 *dst = (long) data->param3; 200 return -1; 201 } 202 203 if (data->param4 && *dst > (long) data->param4) { 204 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d " 205 "max_value=%ld)", line, data->name, *dst, 206 (long) data->param4); 207 *dst = (long) data->param4; 208 return -1; 209 } 210 211 return 0; 212 } 213 214 215 #ifndef NO_CONFIG_WRITE 216 static char * wpa_config_write_int(const struct parse_data *data, 217 struct wpa_ssid *ssid) 218 { 219 int *src, res; 220 char *value; 221 222 src = (int *) (((u8 *) ssid) + (long) data->param1); 223 224 value = os_malloc(20); 225 if (value == NULL) 226 return NULL; 227 res = os_snprintf(value, 20, "%d", *src); 228 if (os_snprintf_error(20, res)) { 229 os_free(value); 230 return NULL; 231 } 232 value[20 - 1] = '\0'; 233 return value; 234 } 235 #endif /* NO_CONFIG_WRITE */ 236 237 238 static int wpa_config_parse_addr_list(const struct parse_data *data, 239 int line, const char *value, 240 u8 **list, size_t *num, char *name, 241 u8 abort_on_error, u8 masked) 242 { 243 const char *pos; 244 u8 *buf, *n, addr[2 * ETH_ALEN]; 245 size_t count; 246 247 buf = NULL; 248 count = 0; 249 250 pos = value; 251 while (pos && *pos) { 252 while (*pos == ' ') 253 pos++; 254 255 if (hwaddr_masked_aton(pos, addr, &addr[ETH_ALEN], masked)) { 256 if (abort_on_error || count == 0) { 257 wpa_printf(MSG_ERROR, 258 "Line %d: Invalid %s address '%s'", 259 line, name, value); 260 os_free(buf); 261 return -1; 262 } 263 /* continue anyway since this could have been from a 264 * truncated configuration file line */ 265 wpa_printf(MSG_INFO, 266 "Line %d: Ignore likely truncated %s address '%s'", 267 line, name, pos); 268 } else { 269 n = os_realloc_array(buf, count + 1, 2 * ETH_ALEN); 270 if (n == NULL) { 271 os_free(buf); 272 return -1; 273 } 274 buf = n; 275 os_memmove(buf + 2 * ETH_ALEN, buf, 276 count * 2 * ETH_ALEN); 277 os_memcpy(buf, addr, 2 * ETH_ALEN); 278 count++; 279 wpa_printf(MSG_MSGDUMP, 280 "%s: addr=" MACSTR " mask=" MACSTR, 281 name, MAC2STR(addr), 282 MAC2STR(&addr[ETH_ALEN])); 283 } 284 285 pos = os_strchr(pos, ' '); 286 } 287 288 os_free(*list); 289 *list = buf; 290 *num = count; 291 292 return 0; 293 } 294 295 296 #ifndef NO_CONFIG_WRITE 297 static char * wpa_config_write_addr_list(const struct parse_data *data, 298 const u8 *list, size_t num, char *name) 299 { 300 char *value, *end, *pos; 301 int res; 302 size_t i; 303 304 if (list == NULL || num == 0) 305 return NULL; 306 307 value = os_malloc(2 * 20 * num); 308 if (value == NULL) 309 return NULL; 310 pos = value; 311 end = value + 2 * 20 * num; 312 313 for (i = num; i > 0; i--) { 314 const u8 *a = list + (i - 1) * 2 * ETH_ALEN; 315 const u8 *m = a + ETH_ALEN; 316 317 if (i < num) 318 *pos++ = ' '; 319 res = hwaddr_mask_txt(pos, end - pos, a, m); 320 if (res < 0) { 321 os_free(value); 322 return NULL; 323 } 324 pos += res; 325 } 326 327 return value; 328 } 329 #endif /* NO_CONFIG_WRITE */ 330 331 static int wpa_config_parse_bssid(const struct parse_data *data, 332 struct wpa_ssid *ssid, int line, 333 const char *value) 334 { 335 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 || 336 os_strcmp(value, "any") == 0) { 337 ssid->bssid_set = 0; 338 wpa_printf(MSG_MSGDUMP, "BSSID any"); 339 return 0; 340 } 341 if (hwaddr_aton(value, ssid->bssid)) { 342 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.", 343 line, value); 344 return -1; 345 } 346 ssid->bssid_set = 1; 347 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN); 348 return 0; 349 } 350 351 352 #ifndef NO_CONFIG_WRITE 353 static char * wpa_config_write_bssid(const struct parse_data *data, 354 struct wpa_ssid *ssid) 355 { 356 char *value; 357 int res; 358 359 if (!ssid->bssid_set) 360 return NULL; 361 362 value = os_malloc(20); 363 if (value == NULL) 364 return NULL; 365 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid)); 366 if (os_snprintf_error(20, res)) { 367 os_free(value); 368 return NULL; 369 } 370 value[20 - 1] = '\0'; 371 return value; 372 } 373 #endif /* NO_CONFIG_WRITE */ 374 375 376 static int wpa_config_parse_bssid_blacklist(const struct parse_data *data, 377 struct wpa_ssid *ssid, int line, 378 const char *value) 379 { 380 return wpa_config_parse_addr_list(data, line, value, 381 &ssid->bssid_blacklist, 382 &ssid->num_bssid_blacklist, 383 "bssid_blacklist", 1, 1); 384 } 385 386 387 #ifndef NO_CONFIG_WRITE 388 static char * wpa_config_write_bssid_blacklist(const struct parse_data *data, 389 struct wpa_ssid *ssid) 390 { 391 return wpa_config_write_addr_list(data, ssid->bssid_blacklist, 392 ssid->num_bssid_blacklist, 393 "bssid_blacklist"); 394 } 395 #endif /* NO_CONFIG_WRITE */ 396 397 398 static int wpa_config_parse_bssid_whitelist(const struct parse_data *data, 399 struct wpa_ssid *ssid, int line, 400 const char *value) 401 { 402 return wpa_config_parse_addr_list(data, line, value, 403 &ssid->bssid_whitelist, 404 &ssid->num_bssid_whitelist, 405 "bssid_whitelist", 1, 1); 406 } 407 408 409 #ifndef NO_CONFIG_WRITE 410 static char * wpa_config_write_bssid_whitelist(const struct parse_data *data, 411 struct wpa_ssid *ssid) 412 { 413 return wpa_config_write_addr_list(data, ssid->bssid_whitelist, 414 ssid->num_bssid_whitelist, 415 "bssid_whitelist"); 416 } 417 #endif /* NO_CONFIG_WRITE */ 418 419 420 static int wpa_config_parse_psk(const struct parse_data *data, 421 struct wpa_ssid *ssid, int line, 422 const char *value) 423 { 424 #ifdef CONFIG_EXT_PASSWORD 425 if (os_strncmp(value, "ext:", 4) == 0) { 426 str_clear_free(ssid->passphrase); 427 ssid->passphrase = NULL; 428 ssid->psk_set = 0; 429 os_free(ssid->ext_psk); 430 ssid->ext_psk = os_strdup(value + 4); 431 if (ssid->ext_psk == NULL) 432 return -1; 433 wpa_printf(MSG_DEBUG, "PSK: External password '%s'", 434 ssid->ext_psk); 435 return 0; 436 } 437 #endif /* CONFIG_EXT_PASSWORD */ 438 439 if (*value == '"') { 440 #ifndef CONFIG_NO_PBKDF2 441 const char *pos; 442 size_t len; 443 444 value++; 445 pos = os_strrchr(value, '"'); 446 if (pos) 447 len = pos - value; 448 else 449 len = os_strlen(value); 450 if (len < 8 || len > 63) { 451 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase " 452 "length %lu (expected: 8..63) '%s'.", 453 line, (unsigned long) len, value); 454 return -1; 455 } 456 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)", 457 (u8 *) value, len); 458 if (ssid->passphrase && os_strlen(ssid->passphrase) == len && 459 os_memcmp(ssid->passphrase, value, len) == 0) 460 return 0; 461 ssid->psk_set = 0; 462 str_clear_free(ssid->passphrase); 463 ssid->passphrase = dup_binstr(value, len); 464 if (ssid->passphrase == NULL) 465 return -1; 466 return 0; 467 #else /* CONFIG_NO_PBKDF2 */ 468 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not " 469 "supported.", line); 470 return -1; 471 #endif /* CONFIG_NO_PBKDF2 */ 472 } 473 474 if (hexstr2bin(value, ssid->psk, PMK_LEN) || 475 value[PMK_LEN * 2] != '\0') { 476 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.", 477 line, value); 478 return -1; 479 } 480 481 str_clear_free(ssid->passphrase); 482 ssid->passphrase = NULL; 483 484 ssid->psk_set = 1; 485 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN); 486 return 0; 487 } 488 489 490 #ifndef NO_CONFIG_WRITE 491 static char * wpa_config_write_psk(const struct parse_data *data, 492 struct wpa_ssid *ssid) 493 { 494 #ifdef CONFIG_EXT_PASSWORD 495 if (ssid->ext_psk) { 496 size_t len = 4 + os_strlen(ssid->ext_psk) + 1; 497 char *buf = os_malloc(len); 498 int res; 499 500 if (buf == NULL) 501 return NULL; 502 res = os_snprintf(buf, len, "ext:%s", ssid->ext_psk); 503 if (os_snprintf_error(len, res)) { 504 os_free(buf); 505 buf = NULL; 506 } 507 return buf; 508 } 509 #endif /* CONFIG_EXT_PASSWORD */ 510 511 if (ssid->passphrase) 512 return wpa_config_write_string_ascii( 513 (const u8 *) ssid->passphrase, 514 os_strlen(ssid->passphrase)); 515 516 if (ssid->psk_set) 517 return wpa_config_write_string_hex(ssid->psk, PMK_LEN); 518 519 return NULL; 520 } 521 #endif /* NO_CONFIG_WRITE */ 522 523 524 static int wpa_config_parse_proto(const struct parse_data *data, 525 struct wpa_ssid *ssid, int line, 526 const char *value) 527 { 528 int val = 0, last, errors = 0; 529 char *start, *end, *buf; 530 531 buf = os_strdup(value); 532 if (buf == NULL) 533 return -1; 534 start = buf; 535 536 while (*start != '\0') { 537 while (*start == ' ' || *start == '\t') 538 start++; 539 if (*start == '\0') 540 break; 541 end = start; 542 while (*end != ' ' && *end != '\t' && *end != '\0') 543 end++; 544 last = *end == '\0'; 545 *end = '\0'; 546 if (os_strcmp(start, "WPA") == 0) 547 val |= WPA_PROTO_WPA; 548 else if (os_strcmp(start, "RSN") == 0 || 549 os_strcmp(start, "WPA2") == 0) 550 val |= WPA_PROTO_RSN; 551 else if (os_strcmp(start, "OSEN") == 0) 552 val |= WPA_PROTO_OSEN; 553 else { 554 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'", 555 line, start); 556 errors++; 557 } 558 559 if (last) 560 break; 561 start = end + 1; 562 } 563 os_free(buf); 564 565 if (val == 0) { 566 wpa_printf(MSG_ERROR, 567 "Line %d: no proto values configured.", line); 568 errors++; 569 } 570 571 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val); 572 ssid->proto = val; 573 return errors ? -1 : 0; 574 } 575 576 577 #ifndef NO_CONFIG_WRITE 578 static char * wpa_config_write_proto(const struct parse_data *data, 579 struct wpa_ssid *ssid) 580 { 581 int ret; 582 char *buf, *pos, *end; 583 584 pos = buf = os_zalloc(20); 585 if (buf == NULL) 586 return NULL; 587 end = buf + 20; 588 589 if (ssid->proto & WPA_PROTO_WPA) { 590 ret = os_snprintf(pos, end - pos, "%sWPA", 591 pos == buf ? "" : " "); 592 if (os_snprintf_error(end - pos, ret)) 593 return buf; 594 pos += ret; 595 } 596 597 if (ssid->proto & WPA_PROTO_RSN) { 598 ret = os_snprintf(pos, end - pos, "%sRSN", 599 pos == buf ? "" : " "); 600 if (os_snprintf_error(end - pos, ret)) 601 return buf; 602 pos += ret; 603 } 604 605 if (ssid->proto & WPA_PROTO_OSEN) { 606 ret = os_snprintf(pos, end - pos, "%sOSEN", 607 pos == buf ? "" : " "); 608 if (os_snprintf_error(end - pos, ret)) 609 return buf; 610 pos += ret; 611 } 612 613 if (pos == buf) { 614 os_free(buf); 615 buf = NULL; 616 } 617 618 return buf; 619 } 620 #endif /* NO_CONFIG_WRITE */ 621 622 623 static int wpa_config_parse_key_mgmt(const struct parse_data *data, 624 struct wpa_ssid *ssid, int line, 625 const char *value) 626 { 627 int val = 0, last, errors = 0; 628 char *start, *end, *buf; 629 630 buf = os_strdup(value); 631 if (buf == NULL) 632 return -1; 633 start = buf; 634 635 while (*start != '\0') { 636 while (*start == ' ' || *start == '\t') 637 start++; 638 if (*start == '\0') 639 break; 640 end = start; 641 while (*end != ' ' && *end != '\t' && *end != '\0') 642 end++; 643 last = *end == '\0'; 644 *end = '\0'; 645 if (os_strcmp(start, "WPA-PSK") == 0) 646 val |= WPA_KEY_MGMT_PSK; 647 else if (os_strcmp(start, "WPA-EAP") == 0) 648 val |= WPA_KEY_MGMT_IEEE8021X; 649 else if (os_strcmp(start, "IEEE8021X") == 0) 650 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA; 651 else if (os_strcmp(start, "NONE") == 0) 652 val |= WPA_KEY_MGMT_NONE; 653 else if (os_strcmp(start, "WPA-NONE") == 0) 654 val |= WPA_KEY_MGMT_WPA_NONE; 655 #ifdef CONFIG_IEEE80211R 656 else if (os_strcmp(start, "FT-PSK") == 0) 657 val |= WPA_KEY_MGMT_FT_PSK; 658 else if (os_strcmp(start, "FT-EAP") == 0) 659 val |= WPA_KEY_MGMT_FT_IEEE8021X; 660 #endif /* CONFIG_IEEE80211R */ 661 #ifdef CONFIG_IEEE80211W 662 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0) 663 val |= WPA_KEY_MGMT_PSK_SHA256; 664 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0) 665 val |= WPA_KEY_MGMT_IEEE8021X_SHA256; 666 #endif /* CONFIG_IEEE80211W */ 667 #ifdef CONFIG_WPS 668 else if (os_strcmp(start, "WPS") == 0) 669 val |= WPA_KEY_MGMT_WPS; 670 #endif /* CONFIG_WPS */ 671 #ifdef CONFIG_SAE 672 else if (os_strcmp(start, "SAE") == 0) 673 val |= WPA_KEY_MGMT_SAE; 674 else if (os_strcmp(start, "FT-SAE") == 0) 675 val |= WPA_KEY_MGMT_FT_SAE; 676 #endif /* CONFIG_SAE */ 677 #ifdef CONFIG_HS20 678 else if (os_strcmp(start, "OSEN") == 0) 679 val |= WPA_KEY_MGMT_OSEN; 680 #endif /* CONFIG_HS20 */ 681 #ifdef CONFIG_SUITEB 682 else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0) 683 val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B; 684 #endif /* CONFIG_SUITEB */ 685 #ifdef CONFIG_SUITEB192 686 else if (os_strcmp(start, "WPA-EAP-SUITE-B-192") == 0) 687 val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192; 688 #endif /* CONFIG_SUITEB192 */ 689 else { 690 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'", 691 line, start); 692 errors++; 693 } 694 695 if (last) 696 break; 697 start = end + 1; 698 } 699 os_free(buf); 700 701 if (val == 0) { 702 wpa_printf(MSG_ERROR, 703 "Line %d: no key_mgmt values configured.", line); 704 errors++; 705 } 706 707 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val); 708 ssid->key_mgmt = val; 709 return errors ? -1 : 0; 710 } 711 712 713 #ifndef NO_CONFIG_WRITE 714 static char * wpa_config_write_key_mgmt(const struct parse_data *data, 715 struct wpa_ssid *ssid) 716 { 717 char *buf, *pos, *end; 718 int ret; 719 720 pos = buf = os_zalloc(100); 721 if (buf == NULL) 722 return NULL; 723 end = buf + 100; 724 725 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { 726 ret = os_snprintf(pos, end - pos, "%sWPA-PSK", 727 pos == buf ? "" : " "); 728 if (os_snprintf_error(end - pos, ret)) { 729 end[-1] = '\0'; 730 return buf; 731 } 732 pos += ret; 733 } 734 735 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) { 736 ret = os_snprintf(pos, end - pos, "%sWPA-EAP", 737 pos == buf ? "" : " "); 738 if (os_snprintf_error(end - pos, ret)) { 739 end[-1] = '\0'; 740 return buf; 741 } 742 pos += ret; 743 } 744 745 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) { 746 ret = os_snprintf(pos, end - pos, "%sIEEE8021X", 747 pos == buf ? "" : " "); 748 if (os_snprintf_error(end - pos, ret)) { 749 end[-1] = '\0'; 750 return buf; 751 } 752 pos += ret; 753 } 754 755 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) { 756 ret = os_snprintf(pos, end - pos, "%sNONE", 757 pos == buf ? "" : " "); 758 if (os_snprintf_error(end - pos, ret)) { 759 end[-1] = '\0'; 760 return buf; 761 } 762 pos += ret; 763 } 764 765 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) { 766 ret = os_snprintf(pos, end - pos, "%sWPA-NONE", 767 pos == buf ? "" : " "); 768 if (os_snprintf_error(end - pos, ret)) { 769 end[-1] = '\0'; 770 return buf; 771 } 772 pos += ret; 773 } 774 775 #ifdef CONFIG_IEEE80211R 776 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK) { 777 ret = os_snprintf(pos, end - pos, "%sFT-PSK", 778 pos == buf ? "" : " "); 779 if (os_snprintf_error(end - pos, ret)) { 780 end[-1] = '\0'; 781 return buf; 782 } 783 pos += ret; 784 } 785 786 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) { 787 ret = os_snprintf(pos, end - pos, "%sFT-EAP", 788 pos == buf ? "" : " "); 789 if (os_snprintf_error(end - pos, ret)) { 790 end[-1] = '\0'; 791 return buf; 792 } 793 pos += ret; 794 } 795 #endif /* CONFIG_IEEE80211R */ 796 797 #ifdef CONFIG_IEEE80211W 798 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256) { 799 ret = os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256", 800 pos == buf ? "" : " "); 801 if (os_snprintf_error(end - pos, ret)) { 802 end[-1] = '\0'; 803 return buf; 804 } 805 pos += ret; 806 } 807 808 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) { 809 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256", 810 pos == buf ? "" : " "); 811 if (os_snprintf_error(end - pos, ret)) { 812 end[-1] = '\0'; 813 return buf; 814 } 815 pos += ret; 816 } 817 #endif /* CONFIG_IEEE80211W */ 818 819 #ifdef CONFIG_WPS 820 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 821 ret = os_snprintf(pos, end - pos, "%sWPS", 822 pos == buf ? "" : " "); 823 if (os_snprintf_error(end - pos, ret)) { 824 end[-1] = '\0'; 825 return buf; 826 } 827 pos += ret; 828 } 829 #endif /* CONFIG_WPS */ 830 831 #ifdef CONFIG_SAE 832 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) { 833 ret = os_snprintf(pos, end - pos, "%sSAE", 834 pos == buf ? "" : " "); 835 if (os_snprintf_error(end - pos, ret)) { 836 end[-1] = '\0'; 837 return buf; 838 } 839 pos += ret; 840 } 841 842 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_SAE) { 843 ret = os_snprintf(pos, end - pos, "%sFT-SAE", 844 pos == buf ? "" : " "); 845 if (os_snprintf_error(end - pos, ret)) { 846 end[-1] = '\0'; 847 return buf; 848 } 849 pos += ret; 850 } 851 #endif /* CONFIG_SAE */ 852 853 #ifdef CONFIG_HS20 854 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) { 855 ret = os_snprintf(pos, end - pos, "%sOSEN", 856 pos == buf ? "" : " "); 857 if (os_snprintf_error(end - pos, ret)) { 858 end[-1] = '\0'; 859 return buf; 860 } 861 pos += ret; 862 } 863 #endif /* CONFIG_HS20 */ 864 865 #ifdef CONFIG_SUITEB 866 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { 867 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B", 868 pos == buf ? "" : " "); 869 if (os_snprintf_error(end - pos, ret)) { 870 end[-1] = '\0'; 871 return buf; 872 } 873 pos += ret; 874 } 875 #endif /* CONFIG_SUITEB */ 876 877 #ifdef CONFIG_SUITEB192 878 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { 879 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B-192", 880 pos == buf ? "" : " "); 881 if (os_snprintf_error(end - pos, ret)) { 882 end[-1] = '\0'; 883 return buf; 884 } 885 pos += ret; 886 } 887 #endif /* CONFIG_SUITEB192 */ 888 889 if (pos == buf) { 890 os_free(buf); 891 buf = NULL; 892 } 893 894 return buf; 895 } 896 #endif /* NO_CONFIG_WRITE */ 897 898 899 static int wpa_config_parse_cipher(int line, const char *value) 900 { 901 int val = wpa_parse_cipher(value); 902 if (val < 0) { 903 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.", 904 line, value); 905 return -1; 906 } 907 if (val == 0) { 908 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.", 909 line); 910 return -1; 911 } 912 return val; 913 } 914 915 916 #ifndef NO_CONFIG_WRITE 917 static char * wpa_config_write_cipher(int cipher) 918 { 919 char *buf = os_zalloc(50); 920 if (buf == NULL) 921 return NULL; 922 923 if (wpa_write_ciphers(buf, buf + 50, cipher, " ") < 0) { 924 os_free(buf); 925 return NULL; 926 } 927 928 return buf; 929 } 930 #endif /* NO_CONFIG_WRITE */ 931 932 933 static int wpa_config_parse_pairwise(const struct parse_data *data, 934 struct wpa_ssid *ssid, int line, 935 const char *value) 936 { 937 int val; 938 val = wpa_config_parse_cipher(line, value); 939 if (val == -1) 940 return -1; 941 if (val & ~WPA_ALLOWED_PAIRWISE_CIPHERS) { 942 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher " 943 "(0x%x).", line, val); 944 return -1; 945 } 946 947 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val); 948 ssid->pairwise_cipher = val; 949 return 0; 950 } 951 952 953 #ifndef NO_CONFIG_WRITE 954 static char * wpa_config_write_pairwise(const struct parse_data *data, 955 struct wpa_ssid *ssid) 956 { 957 return wpa_config_write_cipher(ssid->pairwise_cipher); 958 } 959 #endif /* NO_CONFIG_WRITE */ 960 961 962 static int wpa_config_parse_group(const struct parse_data *data, 963 struct wpa_ssid *ssid, int line, 964 const char *value) 965 { 966 int val; 967 val = wpa_config_parse_cipher(line, value); 968 if (val == -1) 969 return -1; 970 971 /* 972 * Backwards compatibility - filter out WEP ciphers that were previously 973 * allowed. 974 */ 975 val &= ~(WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40); 976 977 if (val & ~WPA_ALLOWED_GROUP_CIPHERS) { 978 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher " 979 "(0x%x).", line, val); 980 return -1; 981 } 982 983 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val); 984 ssid->group_cipher = val; 985 return 0; 986 } 987 988 989 #ifndef NO_CONFIG_WRITE 990 static char * wpa_config_write_group(const struct parse_data *data, 991 struct wpa_ssid *ssid) 992 { 993 return wpa_config_write_cipher(ssid->group_cipher); 994 } 995 #endif /* NO_CONFIG_WRITE */ 996 997 998 static int wpa_config_parse_auth_alg(const struct parse_data *data, 999 struct wpa_ssid *ssid, int line, 1000 const char *value) 1001 { 1002 int val = 0, last, errors = 0; 1003 char *start, *end, *buf; 1004 1005 buf = os_strdup(value); 1006 if (buf == NULL) 1007 return -1; 1008 start = buf; 1009 1010 while (*start != '\0') { 1011 while (*start == ' ' || *start == '\t') 1012 start++; 1013 if (*start == '\0') 1014 break; 1015 end = start; 1016 while (*end != ' ' && *end != '\t' && *end != '\0') 1017 end++; 1018 last = *end == '\0'; 1019 *end = '\0'; 1020 if (os_strcmp(start, "OPEN") == 0) 1021 val |= WPA_AUTH_ALG_OPEN; 1022 else if (os_strcmp(start, "SHARED") == 0) 1023 val |= WPA_AUTH_ALG_SHARED; 1024 else if (os_strcmp(start, "LEAP") == 0) 1025 val |= WPA_AUTH_ALG_LEAP; 1026 else { 1027 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'", 1028 line, start); 1029 errors++; 1030 } 1031 1032 if (last) 1033 break; 1034 start = end + 1; 1035 } 1036 os_free(buf); 1037 1038 if (val == 0) { 1039 wpa_printf(MSG_ERROR, 1040 "Line %d: no auth_alg values configured.", line); 1041 errors++; 1042 } 1043 1044 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val); 1045 ssid->auth_alg = val; 1046 return errors ? -1 : 0; 1047 } 1048 1049 1050 #ifndef NO_CONFIG_WRITE 1051 static char * wpa_config_write_auth_alg(const struct parse_data *data, 1052 struct wpa_ssid *ssid) 1053 { 1054 char *buf, *pos, *end; 1055 int ret; 1056 1057 pos = buf = os_zalloc(30); 1058 if (buf == NULL) 1059 return NULL; 1060 end = buf + 30; 1061 1062 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) { 1063 ret = os_snprintf(pos, end - pos, "%sOPEN", 1064 pos == buf ? "" : " "); 1065 if (os_snprintf_error(end - pos, ret)) { 1066 end[-1] = '\0'; 1067 return buf; 1068 } 1069 pos += ret; 1070 } 1071 1072 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) { 1073 ret = os_snprintf(pos, end - pos, "%sSHARED", 1074 pos == buf ? "" : " "); 1075 if (os_snprintf_error(end - pos, ret)) { 1076 end[-1] = '\0'; 1077 return buf; 1078 } 1079 pos += ret; 1080 } 1081 1082 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) { 1083 ret = os_snprintf(pos, end - pos, "%sLEAP", 1084 pos == buf ? "" : " "); 1085 if (os_snprintf_error(end - pos, ret)) { 1086 end[-1] = '\0'; 1087 return buf; 1088 } 1089 pos += ret; 1090 } 1091 1092 if (pos == buf) { 1093 os_free(buf); 1094 buf = NULL; 1095 } 1096 1097 return buf; 1098 } 1099 #endif /* NO_CONFIG_WRITE */ 1100 1101 1102 static int * wpa_config_parse_int_array(const char *value) 1103 { 1104 int *freqs; 1105 size_t used, len; 1106 const char *pos; 1107 1108 used = 0; 1109 len = 10; 1110 freqs = os_calloc(len + 1, sizeof(int)); 1111 if (freqs == NULL) 1112 return NULL; 1113 1114 pos = value; 1115 while (pos) { 1116 while (*pos == ' ') 1117 pos++; 1118 if (used == len) { 1119 int *n; 1120 size_t i; 1121 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int)); 1122 if (n == NULL) { 1123 os_free(freqs); 1124 return NULL; 1125 } 1126 for (i = len; i <= len * 2; i++) 1127 n[i] = 0; 1128 freqs = n; 1129 len *= 2; 1130 } 1131 1132 freqs[used] = atoi(pos); 1133 if (freqs[used] == 0) 1134 break; 1135 used++; 1136 pos = os_strchr(pos + 1, ' '); 1137 } 1138 1139 return freqs; 1140 } 1141 1142 1143 static int wpa_config_parse_scan_freq(const struct parse_data *data, 1144 struct wpa_ssid *ssid, int line, 1145 const char *value) 1146 { 1147 int *freqs; 1148 1149 freqs = wpa_config_parse_int_array(value); 1150 if (freqs == NULL) 1151 return -1; 1152 if (freqs[0] == 0) { 1153 os_free(freqs); 1154 freqs = NULL; 1155 } 1156 os_free(ssid->scan_freq); 1157 ssid->scan_freq = freqs; 1158 1159 return 0; 1160 } 1161 1162 1163 static int wpa_config_parse_freq_list(const struct parse_data *data, 1164 struct wpa_ssid *ssid, int line, 1165 const char *value) 1166 { 1167 int *freqs; 1168 1169 freqs = wpa_config_parse_int_array(value); 1170 if (freqs == NULL) 1171 return -1; 1172 if (freqs[0] == 0) { 1173 os_free(freqs); 1174 freqs = NULL; 1175 } 1176 os_free(ssid->freq_list); 1177 ssid->freq_list = freqs; 1178 1179 return 0; 1180 } 1181 1182 1183 #ifndef NO_CONFIG_WRITE 1184 static char * wpa_config_write_freqs(const struct parse_data *data, 1185 const int *freqs) 1186 { 1187 char *buf, *pos, *end; 1188 int i, ret; 1189 size_t count; 1190 1191 if (freqs == NULL) 1192 return NULL; 1193 1194 count = 0; 1195 for (i = 0; freqs[i]; i++) 1196 count++; 1197 1198 pos = buf = os_zalloc(10 * count + 1); 1199 if (buf == NULL) 1200 return NULL; 1201 end = buf + 10 * count + 1; 1202 1203 for (i = 0; freqs[i]; i++) { 1204 ret = os_snprintf(pos, end - pos, "%s%u", 1205 i == 0 ? "" : " ", freqs[i]); 1206 if (os_snprintf_error(end - pos, ret)) { 1207 end[-1] = '\0'; 1208 return buf; 1209 } 1210 pos += ret; 1211 } 1212 1213 return buf; 1214 } 1215 1216 1217 static char * wpa_config_write_scan_freq(const struct parse_data *data, 1218 struct wpa_ssid *ssid) 1219 { 1220 return wpa_config_write_freqs(data, ssid->scan_freq); 1221 } 1222 1223 1224 static char * wpa_config_write_freq_list(const struct parse_data *data, 1225 struct wpa_ssid *ssid) 1226 { 1227 return wpa_config_write_freqs(data, ssid->freq_list); 1228 } 1229 #endif /* NO_CONFIG_WRITE */ 1230 1231 1232 #ifdef IEEE8021X_EAPOL 1233 static int wpa_config_parse_eap(const struct parse_data *data, 1234 struct wpa_ssid *ssid, int line, 1235 const char *value) 1236 { 1237 int last, errors = 0; 1238 char *start, *end, *buf; 1239 struct eap_method_type *methods = NULL, *tmp; 1240 size_t num_methods = 0; 1241 1242 buf = os_strdup(value); 1243 if (buf == NULL) 1244 return -1; 1245 start = buf; 1246 1247 while (*start != '\0') { 1248 while (*start == ' ' || *start == '\t') 1249 start++; 1250 if (*start == '\0') 1251 break; 1252 end = start; 1253 while (*end != ' ' && *end != '\t' && *end != '\0') 1254 end++; 1255 last = *end == '\0'; 1256 *end = '\0'; 1257 tmp = methods; 1258 methods = os_realloc_array(methods, num_methods + 1, 1259 sizeof(*methods)); 1260 if (methods == NULL) { 1261 os_free(tmp); 1262 os_free(buf); 1263 return -1; 1264 } 1265 methods[num_methods].method = eap_peer_get_type( 1266 start, &methods[num_methods].vendor); 1267 if (methods[num_methods].vendor == EAP_VENDOR_IETF && 1268 methods[num_methods].method == EAP_TYPE_NONE) { 1269 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method " 1270 "'%s'", line, start); 1271 wpa_printf(MSG_ERROR, "You may need to add support for" 1272 " this EAP method during wpa_supplicant\n" 1273 "build time configuration.\n" 1274 "See README for more information."); 1275 errors++; 1276 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF && 1277 methods[num_methods].method == EAP_TYPE_LEAP) 1278 ssid->leap++; 1279 else 1280 ssid->non_leap++; 1281 num_methods++; 1282 if (last) 1283 break; 1284 start = end + 1; 1285 } 1286 os_free(buf); 1287 1288 tmp = methods; 1289 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods)); 1290 if (methods == NULL) { 1291 os_free(tmp); 1292 return -1; 1293 } 1294 methods[num_methods].vendor = EAP_VENDOR_IETF; 1295 methods[num_methods].method = EAP_TYPE_NONE; 1296 num_methods++; 1297 1298 wpa_hexdump(MSG_MSGDUMP, "eap methods", 1299 (u8 *) methods, num_methods * sizeof(*methods)); 1300 os_free(ssid->eap.eap_methods); 1301 ssid->eap.eap_methods = methods; 1302 return errors ? -1 : 0; 1303 } 1304 1305 1306 #ifndef NO_CONFIG_WRITE 1307 static char * wpa_config_write_eap(const struct parse_data *data, 1308 struct wpa_ssid *ssid) 1309 { 1310 int i, ret; 1311 char *buf, *pos, *end; 1312 const struct eap_method_type *eap_methods = ssid->eap.eap_methods; 1313 const char *name; 1314 1315 if (eap_methods == NULL) 1316 return NULL; 1317 1318 pos = buf = os_zalloc(100); 1319 if (buf == NULL) 1320 return NULL; 1321 end = buf + 100; 1322 1323 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF || 1324 eap_methods[i].method != EAP_TYPE_NONE; i++) { 1325 name = eap_get_name(eap_methods[i].vendor, 1326 eap_methods[i].method); 1327 if (name) { 1328 ret = os_snprintf(pos, end - pos, "%s%s", 1329 pos == buf ? "" : " ", name); 1330 if (os_snprintf_error(end - pos, ret)) 1331 break; 1332 pos += ret; 1333 } 1334 } 1335 1336 end[-1] = '\0'; 1337 1338 return buf; 1339 } 1340 #endif /* NO_CONFIG_WRITE */ 1341 1342 1343 static int wpa_config_parse_password(const struct parse_data *data, 1344 struct wpa_ssid *ssid, int line, 1345 const char *value) 1346 { 1347 u8 *hash; 1348 1349 if (os_strcmp(value, "NULL") == 0) { 1350 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'"); 1351 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1352 ssid->eap.password = NULL; 1353 ssid->eap.password_len = 0; 1354 return 0; 1355 } 1356 1357 #ifdef CONFIG_EXT_PASSWORD 1358 if (os_strncmp(value, "ext:", 4) == 0) { 1359 char *name = os_strdup(value + 4); 1360 if (name == NULL) 1361 return -1; 1362 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1363 ssid->eap.password = (u8 *) name; 1364 ssid->eap.password_len = os_strlen(name); 1365 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1366 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD; 1367 return 0; 1368 } 1369 #endif /* CONFIG_EXT_PASSWORD */ 1370 1371 if (os_strncmp(value, "hash:", 5) != 0) { 1372 char *tmp; 1373 size_t res_len; 1374 1375 tmp = wpa_config_parse_string(value, &res_len); 1376 if (tmp == NULL) { 1377 wpa_printf(MSG_ERROR, "Line %d: failed to parse " 1378 "password.", line); 1379 return -1; 1380 } 1381 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name, 1382 (u8 *) tmp, res_len); 1383 1384 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1385 ssid->eap.password = (u8 *) tmp; 1386 ssid->eap.password_len = res_len; 1387 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1388 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD; 1389 1390 return 0; 1391 } 1392 1393 1394 /* NtPasswordHash: hash:<32 hex digits> */ 1395 if (os_strlen(value + 5) != 2 * 16) { 1396 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length " 1397 "(expected 32 hex digits)", line); 1398 return -1; 1399 } 1400 1401 hash = os_malloc(16); 1402 if (hash == NULL) 1403 return -1; 1404 1405 if (hexstr2bin(value + 5, hash, 16)) { 1406 os_free(hash); 1407 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line); 1408 return -1; 1409 } 1410 1411 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16); 1412 1413 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1414 ssid->eap.password = hash; 1415 ssid->eap.password_len = 16; 1416 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1417 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD; 1418 1419 return 0; 1420 } 1421 1422 1423 #ifndef NO_CONFIG_WRITE 1424 static char * wpa_config_write_password(const struct parse_data *data, 1425 struct wpa_ssid *ssid) 1426 { 1427 char *buf; 1428 1429 if (ssid->eap.password == NULL) 1430 return NULL; 1431 1432 #ifdef CONFIG_EXT_PASSWORD 1433 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) { 1434 buf = os_zalloc(4 + ssid->eap.password_len + 1); 1435 if (buf == NULL) 1436 return NULL; 1437 os_memcpy(buf, "ext:", 4); 1438 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len); 1439 return buf; 1440 } 1441 #endif /* CONFIG_EXT_PASSWORD */ 1442 1443 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) { 1444 return wpa_config_write_string( 1445 ssid->eap.password, ssid->eap.password_len); 1446 } 1447 1448 buf = os_malloc(5 + 32 + 1); 1449 if (buf == NULL) 1450 return NULL; 1451 1452 os_memcpy(buf, "hash:", 5); 1453 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16); 1454 1455 return buf; 1456 } 1457 #endif /* NO_CONFIG_WRITE */ 1458 #endif /* IEEE8021X_EAPOL */ 1459 1460 1461 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line, 1462 const char *value, int idx) 1463 { 1464 char *buf, title[20]; 1465 int res; 1466 1467 buf = wpa_config_parse_string(value, len); 1468 if (buf == NULL) { 1469 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.", 1470 line, idx, value); 1471 return -1; 1472 } 1473 if (*len > MAX_WEP_KEY_LEN) { 1474 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.", 1475 line, idx, value); 1476 os_free(buf); 1477 return -1; 1478 } 1479 if (*len && *len != 5 && *len != 13 && *len != 16) { 1480 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - " 1481 "this network block will be ignored", 1482 line, (unsigned int) *len); 1483 } 1484 os_memcpy(key, buf, *len); 1485 str_clear_free(buf); 1486 res = os_snprintf(title, sizeof(title), "wep_key%d", idx); 1487 if (!os_snprintf_error(sizeof(title), res)) 1488 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len); 1489 return 0; 1490 } 1491 1492 1493 static int wpa_config_parse_wep_key0(const struct parse_data *data, 1494 struct wpa_ssid *ssid, int line, 1495 const char *value) 1496 { 1497 return wpa_config_parse_wep_key(ssid->wep_key[0], 1498 &ssid->wep_key_len[0], line, 1499 value, 0); 1500 } 1501 1502 1503 static int wpa_config_parse_wep_key1(const struct parse_data *data, 1504 struct wpa_ssid *ssid, int line, 1505 const char *value) 1506 { 1507 return wpa_config_parse_wep_key(ssid->wep_key[1], 1508 &ssid->wep_key_len[1], line, 1509 value, 1); 1510 } 1511 1512 1513 static int wpa_config_parse_wep_key2(const struct parse_data *data, 1514 struct wpa_ssid *ssid, int line, 1515 const char *value) 1516 { 1517 return wpa_config_parse_wep_key(ssid->wep_key[2], 1518 &ssid->wep_key_len[2], line, 1519 value, 2); 1520 } 1521 1522 1523 static int wpa_config_parse_wep_key3(const struct parse_data *data, 1524 struct wpa_ssid *ssid, int line, 1525 const char *value) 1526 { 1527 return wpa_config_parse_wep_key(ssid->wep_key[3], 1528 &ssid->wep_key_len[3], line, 1529 value, 3); 1530 } 1531 1532 1533 #ifndef NO_CONFIG_WRITE 1534 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx) 1535 { 1536 if (ssid->wep_key_len[idx] == 0) 1537 return NULL; 1538 return wpa_config_write_string(ssid->wep_key[idx], 1539 ssid->wep_key_len[idx]); 1540 } 1541 1542 1543 static char * wpa_config_write_wep_key0(const struct parse_data *data, 1544 struct wpa_ssid *ssid) 1545 { 1546 return wpa_config_write_wep_key(ssid, 0); 1547 } 1548 1549 1550 static char * wpa_config_write_wep_key1(const struct parse_data *data, 1551 struct wpa_ssid *ssid) 1552 { 1553 return wpa_config_write_wep_key(ssid, 1); 1554 } 1555 1556 1557 static char * wpa_config_write_wep_key2(const struct parse_data *data, 1558 struct wpa_ssid *ssid) 1559 { 1560 return wpa_config_write_wep_key(ssid, 2); 1561 } 1562 1563 1564 static char * wpa_config_write_wep_key3(const struct parse_data *data, 1565 struct wpa_ssid *ssid) 1566 { 1567 return wpa_config_write_wep_key(ssid, 3); 1568 } 1569 #endif /* NO_CONFIG_WRITE */ 1570 1571 1572 #ifdef CONFIG_P2P 1573 1574 static int wpa_config_parse_go_p2p_dev_addr(const struct parse_data *data, 1575 struct wpa_ssid *ssid, int line, 1576 const char *value) 1577 { 1578 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 || 1579 os_strcmp(value, "any") == 0) { 1580 os_memset(ssid->go_p2p_dev_addr, 0, ETH_ALEN); 1581 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address any"); 1582 return 0; 1583 } 1584 if (hwaddr_aton(value, ssid->go_p2p_dev_addr)) { 1585 wpa_printf(MSG_ERROR, "Line %d: Invalid GO P2P Device Address '%s'.", 1586 line, value); 1587 return -1; 1588 } 1589 ssid->bssid_set = 1; 1590 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address " MACSTR, 1591 MAC2STR(ssid->go_p2p_dev_addr)); 1592 return 0; 1593 } 1594 1595 1596 #ifndef NO_CONFIG_WRITE 1597 static char * wpa_config_write_go_p2p_dev_addr(const struct parse_data *data, 1598 struct wpa_ssid *ssid) 1599 { 1600 char *value; 1601 int res; 1602 1603 if (is_zero_ether_addr(ssid->go_p2p_dev_addr)) 1604 return NULL; 1605 1606 value = os_malloc(20); 1607 if (value == NULL) 1608 return NULL; 1609 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->go_p2p_dev_addr)); 1610 if (os_snprintf_error(20, res)) { 1611 os_free(value); 1612 return NULL; 1613 } 1614 value[20 - 1] = '\0'; 1615 return value; 1616 } 1617 #endif /* NO_CONFIG_WRITE */ 1618 1619 1620 static int wpa_config_parse_p2p_client_list(const struct parse_data *data, 1621 struct wpa_ssid *ssid, int line, 1622 const char *value) 1623 { 1624 return wpa_config_parse_addr_list(data, line, value, 1625 &ssid->p2p_client_list, 1626 &ssid->num_p2p_clients, 1627 "p2p_client_list", 0, 0); 1628 } 1629 1630 1631 #ifndef NO_CONFIG_WRITE 1632 static char * wpa_config_write_p2p_client_list(const struct parse_data *data, 1633 struct wpa_ssid *ssid) 1634 { 1635 return wpa_config_write_addr_list(data, ssid->p2p_client_list, 1636 ssid->num_p2p_clients, 1637 "p2p_client_list"); 1638 } 1639 #endif /* NO_CONFIG_WRITE */ 1640 1641 1642 static int wpa_config_parse_psk_list(const struct parse_data *data, 1643 struct wpa_ssid *ssid, int line, 1644 const char *value) 1645 { 1646 struct psk_list_entry *p; 1647 const char *pos; 1648 1649 p = os_zalloc(sizeof(*p)); 1650 if (p == NULL) 1651 return -1; 1652 1653 pos = value; 1654 if (os_strncmp(pos, "P2P-", 4) == 0) { 1655 p->p2p = 1; 1656 pos += 4; 1657 } 1658 1659 if (hwaddr_aton(pos, p->addr)) { 1660 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list address '%s'", 1661 line, pos); 1662 os_free(p); 1663 return -1; 1664 } 1665 pos += 17; 1666 if (*pos != '-') { 1667 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list '%s'", 1668 line, pos); 1669 os_free(p); 1670 return -1; 1671 } 1672 pos++; 1673 1674 if (hexstr2bin(pos, p->psk, PMK_LEN) || pos[PMK_LEN * 2] != '\0') { 1675 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list PSK '%s'", 1676 line, pos); 1677 os_free(p); 1678 return -1; 1679 } 1680 1681 dl_list_add(&ssid->psk_list, &p->list); 1682 1683 return 0; 1684 } 1685 1686 1687 #ifndef NO_CONFIG_WRITE 1688 static char * wpa_config_write_psk_list(const struct parse_data *data, 1689 struct wpa_ssid *ssid) 1690 { 1691 return NULL; 1692 } 1693 #endif /* NO_CONFIG_WRITE */ 1694 1695 #endif /* CONFIG_P2P */ 1696 1697 1698 #ifdef CONFIG_MESH 1699 1700 static int wpa_config_parse_mesh_basic_rates(const struct parse_data *data, 1701 struct wpa_ssid *ssid, int line, 1702 const char *value) 1703 { 1704 int *rates = wpa_config_parse_int_array(value); 1705 1706 if (rates == NULL) { 1707 wpa_printf(MSG_ERROR, "Line %d: Invalid mesh_basic_rates '%s'", 1708 line, value); 1709 return -1; 1710 } 1711 if (rates[0] == 0) { 1712 os_free(rates); 1713 rates = NULL; 1714 } 1715 1716 os_free(ssid->mesh_basic_rates); 1717 ssid->mesh_basic_rates = rates; 1718 1719 return 0; 1720 } 1721 1722 1723 #ifndef NO_CONFIG_WRITE 1724 1725 static char * wpa_config_write_mesh_basic_rates(const struct parse_data *data, 1726 struct wpa_ssid *ssid) 1727 { 1728 return wpa_config_write_freqs(data, ssid->mesh_basic_rates); 1729 } 1730 1731 #endif /* NO_CONFIG_WRITE */ 1732 1733 #endif /* CONFIG_MESH */ 1734 1735 1736 /* Helper macros for network block parser */ 1737 1738 #ifdef OFFSET 1739 #undef OFFSET 1740 #endif /* OFFSET */ 1741 /* OFFSET: Get offset of a variable within the wpa_ssid structure */ 1742 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v) 1743 1744 /* STR: Define a string variable for an ASCII string; f = field name */ 1745 #ifdef NO_CONFIG_WRITE 1746 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f) 1747 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f) 1748 #else /* NO_CONFIG_WRITE */ 1749 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f) 1750 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f) 1751 #endif /* NO_CONFIG_WRITE */ 1752 #define STR(f) _STR(f), NULL, NULL, NULL, 0 1753 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0 1754 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1 1755 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1 1756 1757 /* STR_LEN: Define a string variable with a separate variable for storing the 1758 * data length. Unlike STR(), this can be used to store arbitrary binary data 1759 * (i.e., even nul termination character). */ 1760 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len) 1761 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len) 1762 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0 1763 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0 1764 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1 1765 1766 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length 1767 * explicitly specified. */ 1768 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max) 1769 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0 1770 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1 1771 1772 #ifdef NO_CONFIG_WRITE 1773 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0 1774 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0 1775 #else /* NO_CONFIG_WRITE */ 1776 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \ 1777 OFFSET(f), (void *) 0 1778 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \ 1779 OFFSET(eap.f), (void *) 0 1780 #endif /* NO_CONFIG_WRITE */ 1781 1782 /* INT: Define an integer variable */ 1783 #define INT(f) _INT(f), NULL, NULL, 0 1784 #define INTe(f) _INTe(f), NULL, NULL, 0 1785 1786 /* INT_RANGE: Define an integer variable with allowed value range */ 1787 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0 1788 1789 /* FUNC: Define a configuration variable that uses a custom function for 1790 * parsing and writing the value. */ 1791 #ifdef NO_CONFIG_WRITE 1792 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL 1793 #else /* NO_CONFIG_WRITE */ 1794 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \ 1795 NULL, NULL, NULL, NULL 1796 #endif /* NO_CONFIG_WRITE */ 1797 #define FUNC(f) _FUNC(f), 0 1798 #define FUNC_KEY(f) _FUNC(f), 1 1799 1800 /* 1801 * Table of network configuration variables. This table is used to parse each 1802 * network configuration variable, e.g., each line in wpa_supplicant.conf file 1803 * that is inside a network block. 1804 * 1805 * This table is generated using the helper macros defined above and with 1806 * generous help from the C pre-processor. The field name is stored as a string 1807 * into .name and for STR and INT types, the offset of the target buffer within 1808 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar 1809 * offset to the field containing the length of the configuration variable. 1810 * .param3 and .param4 can be used to mark the allowed range (length for STR 1811 * and value for INT). 1812 * 1813 * For each configuration line in wpa_supplicant.conf, the parser goes through 1814 * this table and select the entry that matches with the field name. The parser 1815 * function (.parser) is then called to parse the actual value of the field. 1816 * 1817 * This kind of mechanism makes it easy to add new configuration parameters, 1818 * since only one line needs to be added into this table and into the 1819 * struct wpa_ssid definition if the new variable is either a string or 1820 * integer. More complex types will need to use their own parser and writer 1821 * functions. 1822 */ 1823 static const struct parse_data ssid_fields[] = { 1824 { STR_RANGE(ssid, 0, SSID_MAX_LEN) }, 1825 { INT_RANGE(scan_ssid, 0, 1) }, 1826 { FUNC(bssid) }, 1827 { FUNC(bssid_blacklist) }, 1828 { FUNC(bssid_whitelist) }, 1829 { FUNC_KEY(psk) }, 1830 { INT(mem_only_psk) }, 1831 { FUNC(proto) }, 1832 { FUNC(key_mgmt) }, 1833 { INT(bg_scan_period) }, 1834 { FUNC(pairwise) }, 1835 { FUNC(group) }, 1836 { FUNC(auth_alg) }, 1837 { FUNC(scan_freq) }, 1838 { FUNC(freq_list) }, 1839 #ifdef IEEE8021X_EAPOL 1840 { FUNC(eap) }, 1841 { STR_LENe(identity) }, 1842 { STR_LENe(anonymous_identity) }, 1843 { FUNC_KEY(password) }, 1844 { STRe(ca_cert) }, 1845 { STRe(ca_path) }, 1846 { STRe(client_cert) }, 1847 { STRe(private_key) }, 1848 { STR_KEYe(private_key_passwd) }, 1849 { STRe(dh_file) }, 1850 { STRe(subject_match) }, 1851 { STRe(altsubject_match) }, 1852 { STRe(domain_suffix_match) }, 1853 { STRe(domain_match) }, 1854 { STRe(ca_cert2) }, 1855 { STRe(ca_path2) }, 1856 { STRe(client_cert2) }, 1857 { STRe(private_key2) }, 1858 { STR_KEYe(private_key2_passwd) }, 1859 { STRe(dh_file2) }, 1860 { STRe(subject_match2) }, 1861 { STRe(altsubject_match2) }, 1862 { STRe(domain_suffix_match2) }, 1863 { STRe(domain_match2) }, 1864 { STRe(phase1) }, 1865 { STRe(phase2) }, 1866 { STRe(pcsc) }, 1867 { STR_KEYe(pin) }, 1868 { STRe(engine_id) }, 1869 { STRe(key_id) }, 1870 { STRe(cert_id) }, 1871 { STRe(ca_cert_id) }, 1872 { STR_KEYe(pin2) }, 1873 { STRe(engine2_id) }, 1874 { STRe(key2_id) }, 1875 { STRe(cert2_id) }, 1876 { STRe(ca_cert2_id) }, 1877 { INTe(engine) }, 1878 { INTe(engine2) }, 1879 { INT(eapol_flags) }, 1880 { INTe(sim_num) }, 1881 { STRe(openssl_ciphers) }, 1882 { INTe(erp) }, 1883 #endif /* IEEE8021X_EAPOL */ 1884 { FUNC_KEY(wep_key0) }, 1885 { FUNC_KEY(wep_key1) }, 1886 { FUNC_KEY(wep_key2) }, 1887 { FUNC_KEY(wep_key3) }, 1888 { INT(wep_tx_keyidx) }, 1889 { INT(priority) }, 1890 #ifdef IEEE8021X_EAPOL 1891 { INT(eap_workaround) }, 1892 { STRe(pac_file) }, 1893 { INTe(fragment_size) }, 1894 { INTe(ocsp) }, 1895 #endif /* IEEE8021X_EAPOL */ 1896 #ifdef CONFIG_MESH 1897 { INT_RANGE(mode, 0, 5) }, 1898 { INT_RANGE(no_auto_peer, 0, 1) }, 1899 #else /* CONFIG_MESH */ 1900 { INT_RANGE(mode, 0, 4) }, 1901 #endif /* CONFIG_MESH */ 1902 { INT_RANGE(proactive_key_caching, 0, 1) }, 1903 { INT_RANGE(disabled, 0, 2) }, 1904 { STR(id_str) }, 1905 #ifdef CONFIG_IEEE80211W 1906 { INT_RANGE(ieee80211w, 0, 2) }, 1907 #endif /* CONFIG_IEEE80211W */ 1908 { INT_RANGE(peerkey, 0, 1) }, 1909 { INT_RANGE(mixed_cell, 0, 1) }, 1910 { INT_RANGE(frequency, 0, 65000) }, 1911 { INT_RANGE(fixed_freq, 0, 1) }, 1912 #ifdef CONFIG_MESH 1913 { FUNC(mesh_basic_rates) }, 1914 { INT(dot11MeshMaxRetries) }, 1915 { INT(dot11MeshRetryTimeout) }, 1916 { INT(dot11MeshConfirmTimeout) }, 1917 { INT(dot11MeshHoldingTimeout) }, 1918 #endif /* CONFIG_MESH */ 1919 { INT(wpa_ptk_rekey) }, 1920 { STR(bgscan) }, 1921 { INT_RANGE(ignore_broadcast_ssid, 0, 2) }, 1922 #ifdef CONFIG_P2P 1923 { FUNC(go_p2p_dev_addr) }, 1924 { FUNC(p2p_client_list) }, 1925 { FUNC(psk_list) }, 1926 #endif /* CONFIG_P2P */ 1927 #ifdef CONFIG_HT_OVERRIDES 1928 { INT_RANGE(disable_ht, 0, 1) }, 1929 { INT_RANGE(disable_ht40, -1, 1) }, 1930 { INT_RANGE(disable_sgi, 0, 1) }, 1931 { INT_RANGE(disable_ldpc, 0, 1) }, 1932 { INT_RANGE(ht40_intolerant, 0, 1) }, 1933 { INT_RANGE(disable_max_amsdu, -1, 1) }, 1934 { INT_RANGE(ampdu_factor, -1, 3) }, 1935 { INT_RANGE(ampdu_density, -1, 7) }, 1936 { STR(ht_mcs) }, 1937 #endif /* CONFIG_HT_OVERRIDES */ 1938 #ifdef CONFIG_VHT_OVERRIDES 1939 { INT_RANGE(disable_vht, 0, 1) }, 1940 { INT(vht_capa) }, 1941 { INT(vht_capa_mask) }, 1942 { INT_RANGE(vht_rx_mcs_nss_1, -1, 3) }, 1943 { INT_RANGE(vht_rx_mcs_nss_2, -1, 3) }, 1944 { INT_RANGE(vht_rx_mcs_nss_3, -1, 3) }, 1945 { INT_RANGE(vht_rx_mcs_nss_4, -1, 3) }, 1946 { INT_RANGE(vht_rx_mcs_nss_5, -1, 3) }, 1947 { INT_RANGE(vht_rx_mcs_nss_6, -1, 3) }, 1948 { INT_RANGE(vht_rx_mcs_nss_7, -1, 3) }, 1949 { INT_RANGE(vht_rx_mcs_nss_8, -1, 3) }, 1950 { INT_RANGE(vht_tx_mcs_nss_1, -1, 3) }, 1951 { INT_RANGE(vht_tx_mcs_nss_2, -1, 3) }, 1952 { INT_RANGE(vht_tx_mcs_nss_3, -1, 3) }, 1953 { INT_RANGE(vht_tx_mcs_nss_4, -1, 3) }, 1954 { INT_RANGE(vht_tx_mcs_nss_5, -1, 3) }, 1955 { INT_RANGE(vht_tx_mcs_nss_6, -1, 3) }, 1956 { INT_RANGE(vht_tx_mcs_nss_7, -1, 3) }, 1957 { INT_RANGE(vht_tx_mcs_nss_8, -1, 3) }, 1958 #endif /* CONFIG_VHT_OVERRIDES */ 1959 { INT(ap_max_inactivity) }, 1960 { INT(dtim_period) }, 1961 { INT(beacon_int) }, 1962 #ifdef CONFIG_MACSEC 1963 { INT_RANGE(macsec_policy, 0, 1) }, 1964 #endif /* CONFIG_MACSEC */ 1965 #ifdef CONFIG_HS20 1966 { INT(update_identifier) }, 1967 #endif /* CONFIG_HS20 */ 1968 { INT_RANGE(mac_addr, 0, 2) }, 1969 }; 1970 1971 #undef OFFSET 1972 #undef _STR 1973 #undef STR 1974 #undef STR_KEY 1975 #undef _STR_LEN 1976 #undef STR_LEN 1977 #undef STR_LEN_KEY 1978 #undef _STR_RANGE 1979 #undef STR_RANGE 1980 #undef STR_RANGE_KEY 1981 #undef _INT 1982 #undef INT 1983 #undef INT_RANGE 1984 #undef _FUNC 1985 #undef FUNC 1986 #undef FUNC_KEY 1987 #define NUM_SSID_FIELDS ARRAY_SIZE(ssid_fields) 1988 1989 1990 /** 1991 * wpa_config_add_prio_network - Add a network to priority lists 1992 * @config: Configuration data from wpa_config_read() 1993 * @ssid: Pointer to the network configuration to be added to the list 1994 * Returns: 0 on success, -1 on failure 1995 * 1996 * This function is used to add a network block to the priority list of 1997 * networks. This must be called for each network when reading in the full 1998 * configuration. In addition, this can be used indirectly when updating 1999 * priorities by calling wpa_config_update_prio_list(). 2000 */ 2001 int wpa_config_add_prio_network(struct wpa_config *config, 2002 struct wpa_ssid *ssid) 2003 { 2004 int prio; 2005 struct wpa_ssid *prev, **nlist; 2006 2007 /* 2008 * Add to an existing priority list if one is available for the 2009 * configured priority level for this network. 2010 */ 2011 for (prio = 0; prio < config->num_prio; prio++) { 2012 prev = config->pssid[prio]; 2013 if (prev->priority == ssid->priority) { 2014 while (prev->pnext) 2015 prev = prev->pnext; 2016 prev->pnext = ssid; 2017 return 0; 2018 } 2019 } 2020 2021 /* First network for this priority - add a new priority list */ 2022 nlist = os_realloc_array(config->pssid, config->num_prio + 1, 2023 sizeof(struct wpa_ssid *)); 2024 if (nlist == NULL) 2025 return -1; 2026 2027 for (prio = 0; prio < config->num_prio; prio++) { 2028 if (nlist[prio]->priority < ssid->priority) { 2029 os_memmove(&nlist[prio + 1], &nlist[prio], 2030 (config->num_prio - prio) * 2031 sizeof(struct wpa_ssid *)); 2032 break; 2033 } 2034 } 2035 2036 nlist[prio] = ssid; 2037 config->num_prio++; 2038 config->pssid = nlist; 2039 2040 return 0; 2041 } 2042 2043 2044 /** 2045 * wpa_config_update_prio_list - Update network priority list 2046 * @config: Configuration data from wpa_config_read() 2047 * Returns: 0 on success, -1 on failure 2048 * 2049 * This function is called to update the priority list of networks in the 2050 * configuration when a network is being added or removed. This is also called 2051 * if a priority for a network is changed. 2052 */ 2053 int wpa_config_update_prio_list(struct wpa_config *config) 2054 { 2055 struct wpa_ssid *ssid; 2056 int ret = 0; 2057 2058 os_free(config->pssid); 2059 config->pssid = NULL; 2060 config->num_prio = 0; 2061 2062 ssid = config->ssid; 2063 while (ssid) { 2064 ssid->pnext = NULL; 2065 if (wpa_config_add_prio_network(config, ssid) < 0) 2066 ret = -1; 2067 ssid = ssid->next; 2068 } 2069 2070 return ret; 2071 } 2072 2073 2074 #ifdef IEEE8021X_EAPOL 2075 static void eap_peer_config_free(struct eap_peer_config *eap) 2076 { 2077 os_free(eap->eap_methods); 2078 bin_clear_free(eap->identity, eap->identity_len); 2079 os_free(eap->anonymous_identity); 2080 bin_clear_free(eap->password, eap->password_len); 2081 os_free(eap->ca_cert); 2082 os_free(eap->ca_path); 2083 os_free(eap->client_cert); 2084 os_free(eap->private_key); 2085 str_clear_free(eap->private_key_passwd); 2086 os_free(eap->dh_file); 2087 os_free(eap->subject_match); 2088 os_free(eap->altsubject_match); 2089 os_free(eap->domain_suffix_match); 2090 os_free(eap->domain_match); 2091 os_free(eap->ca_cert2); 2092 os_free(eap->ca_path2); 2093 os_free(eap->client_cert2); 2094 os_free(eap->private_key2); 2095 str_clear_free(eap->private_key2_passwd); 2096 os_free(eap->dh_file2); 2097 os_free(eap->subject_match2); 2098 os_free(eap->altsubject_match2); 2099 os_free(eap->domain_suffix_match2); 2100 os_free(eap->domain_match2); 2101 os_free(eap->phase1); 2102 os_free(eap->phase2); 2103 os_free(eap->pcsc); 2104 str_clear_free(eap->pin); 2105 os_free(eap->engine_id); 2106 os_free(eap->key_id); 2107 os_free(eap->cert_id); 2108 os_free(eap->ca_cert_id); 2109 os_free(eap->key2_id); 2110 os_free(eap->cert2_id); 2111 os_free(eap->ca_cert2_id); 2112 str_clear_free(eap->pin2); 2113 os_free(eap->engine2_id); 2114 os_free(eap->otp); 2115 os_free(eap->pending_req_otp); 2116 os_free(eap->pac_file); 2117 bin_clear_free(eap->new_password, eap->new_password_len); 2118 str_clear_free(eap->external_sim_resp); 2119 os_free(eap->openssl_ciphers); 2120 } 2121 #endif /* IEEE8021X_EAPOL */ 2122 2123 2124 /** 2125 * wpa_config_free_ssid - Free network/ssid configuration data 2126 * @ssid: Configuration data for the network 2127 * 2128 * This function frees all resources allocated for the network configuration 2129 * data. 2130 */ 2131 void wpa_config_free_ssid(struct wpa_ssid *ssid) 2132 { 2133 struct psk_list_entry *psk; 2134 2135 os_free(ssid->ssid); 2136 str_clear_free(ssid->passphrase); 2137 os_free(ssid->ext_psk); 2138 #ifdef IEEE8021X_EAPOL 2139 eap_peer_config_free(&ssid->eap); 2140 #endif /* IEEE8021X_EAPOL */ 2141 os_free(ssid->id_str); 2142 os_free(ssid->scan_freq); 2143 os_free(ssid->freq_list); 2144 os_free(ssid->bgscan); 2145 os_free(ssid->p2p_client_list); 2146 os_free(ssid->bssid_blacklist); 2147 os_free(ssid->bssid_whitelist); 2148 #ifdef CONFIG_HT_OVERRIDES 2149 os_free(ssid->ht_mcs); 2150 #endif /* CONFIG_HT_OVERRIDES */ 2151 #ifdef CONFIG_MESH 2152 os_free(ssid->mesh_basic_rates); 2153 #endif /* CONFIG_MESH */ 2154 while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry, 2155 list))) { 2156 dl_list_del(&psk->list); 2157 bin_clear_free(psk, sizeof(*psk)); 2158 } 2159 bin_clear_free(ssid, sizeof(*ssid)); 2160 } 2161 2162 2163 void wpa_config_free_cred(struct wpa_cred *cred) 2164 { 2165 size_t i; 2166 2167 os_free(cred->realm); 2168 str_clear_free(cred->username); 2169 str_clear_free(cred->password); 2170 os_free(cred->ca_cert); 2171 os_free(cred->client_cert); 2172 os_free(cred->private_key); 2173 str_clear_free(cred->private_key_passwd); 2174 os_free(cred->imsi); 2175 str_clear_free(cred->milenage); 2176 for (i = 0; i < cred->num_domain; i++) 2177 os_free(cred->domain[i]); 2178 os_free(cred->domain); 2179 os_free(cred->domain_suffix_match); 2180 os_free(cred->eap_method); 2181 os_free(cred->phase1); 2182 os_free(cred->phase2); 2183 os_free(cred->excluded_ssid); 2184 os_free(cred->roaming_partner); 2185 os_free(cred->provisioning_sp); 2186 for (i = 0; i < cred->num_req_conn_capab; i++) 2187 os_free(cred->req_conn_capab_port[i]); 2188 os_free(cred->req_conn_capab_port); 2189 os_free(cred->req_conn_capab_proto); 2190 os_free(cred); 2191 } 2192 2193 2194 void wpa_config_flush_blobs(struct wpa_config *config) 2195 { 2196 #ifndef CONFIG_NO_CONFIG_BLOBS 2197 struct wpa_config_blob *blob, *prev; 2198 2199 blob = config->blobs; 2200 config->blobs = NULL; 2201 while (blob) { 2202 prev = blob; 2203 blob = blob->next; 2204 wpa_config_free_blob(prev); 2205 } 2206 #endif /* CONFIG_NO_CONFIG_BLOBS */ 2207 } 2208 2209 2210 /** 2211 * wpa_config_free - Free configuration data 2212 * @config: Configuration data from wpa_config_read() 2213 * 2214 * This function frees all resources allocated for the configuration data by 2215 * wpa_config_read(). 2216 */ 2217 void wpa_config_free(struct wpa_config *config) 2218 { 2219 struct wpa_ssid *ssid, *prev = NULL; 2220 struct wpa_cred *cred, *cprev; 2221 int i; 2222 2223 ssid = config->ssid; 2224 while (ssid) { 2225 prev = ssid; 2226 ssid = ssid->next; 2227 wpa_config_free_ssid(prev); 2228 } 2229 2230 cred = config->cred; 2231 while (cred) { 2232 cprev = cred; 2233 cred = cred->next; 2234 wpa_config_free_cred(cprev); 2235 } 2236 2237 wpa_config_flush_blobs(config); 2238 2239 wpabuf_free(config->wps_vendor_ext_m1); 2240 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) 2241 wpabuf_free(config->wps_vendor_ext[i]); 2242 os_free(config->ctrl_interface); 2243 os_free(config->ctrl_interface_group); 2244 os_free(config->opensc_engine_path); 2245 os_free(config->pkcs11_engine_path); 2246 os_free(config->pkcs11_module_path); 2247 os_free(config->openssl_ciphers); 2248 os_free(config->pcsc_reader); 2249 str_clear_free(config->pcsc_pin); 2250 os_free(config->driver_param); 2251 os_free(config->device_name); 2252 os_free(config->manufacturer); 2253 os_free(config->model_name); 2254 os_free(config->model_number); 2255 os_free(config->serial_number); 2256 os_free(config->config_methods); 2257 os_free(config->p2p_ssid_postfix); 2258 os_free(config->pssid); 2259 os_free(config->p2p_pref_chan); 2260 os_free(config->p2p_no_go_freq.range); 2261 os_free(config->autoscan); 2262 os_free(config->freq_list); 2263 wpabuf_free(config->wps_nfc_dh_pubkey); 2264 wpabuf_free(config->wps_nfc_dh_privkey); 2265 wpabuf_free(config->wps_nfc_dev_pw); 2266 os_free(config->ext_password_backend); 2267 os_free(config->sae_groups); 2268 wpabuf_free(config->ap_vendor_elements); 2269 os_free(config->osu_dir); 2270 os_free(config->bgscan); 2271 os_free(config->wowlan_triggers); 2272 os_free(config); 2273 } 2274 2275 2276 /** 2277 * wpa_config_foreach_network - Iterate over each configured network 2278 * @config: Configuration data from wpa_config_read() 2279 * @func: Callback function to process each network 2280 * @arg: Opaque argument to pass to callback function 2281 * 2282 * Iterate over the set of configured networks calling the specified 2283 * function for each item. We guard against callbacks removing the 2284 * supplied network. 2285 */ 2286 void wpa_config_foreach_network(struct wpa_config *config, 2287 void (*func)(void *, struct wpa_ssid *), 2288 void *arg) 2289 { 2290 struct wpa_ssid *ssid, *next; 2291 2292 ssid = config->ssid; 2293 while (ssid) { 2294 next = ssid->next; 2295 func(arg, ssid); 2296 ssid = next; 2297 } 2298 } 2299 2300 2301 /** 2302 * wpa_config_get_network - Get configured network based on id 2303 * @config: Configuration data from wpa_config_read() 2304 * @id: Unique network id to search for 2305 * Returns: Network configuration or %NULL if not found 2306 */ 2307 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id) 2308 { 2309 struct wpa_ssid *ssid; 2310 2311 ssid = config->ssid; 2312 while (ssid) { 2313 if (id == ssid->id) 2314 break; 2315 ssid = ssid->next; 2316 } 2317 2318 return ssid; 2319 } 2320 2321 2322 /** 2323 * wpa_config_add_network - Add a new network with empty configuration 2324 * @config: Configuration data from wpa_config_read() 2325 * Returns: The new network configuration or %NULL if operation failed 2326 */ 2327 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config) 2328 { 2329 int id; 2330 struct wpa_ssid *ssid, *last = NULL; 2331 2332 id = -1; 2333 ssid = config->ssid; 2334 while (ssid) { 2335 if (ssid->id > id) 2336 id = ssid->id; 2337 last = ssid; 2338 ssid = ssid->next; 2339 } 2340 id++; 2341 2342 ssid = os_zalloc(sizeof(*ssid)); 2343 if (ssid == NULL) 2344 return NULL; 2345 ssid->id = id; 2346 dl_list_init(&ssid->psk_list); 2347 if (last) 2348 last->next = ssid; 2349 else 2350 config->ssid = ssid; 2351 2352 wpa_config_update_prio_list(config); 2353 2354 return ssid; 2355 } 2356 2357 2358 /** 2359 * wpa_config_remove_network - Remove a configured network based on id 2360 * @config: Configuration data from wpa_config_read() 2361 * @id: Unique network id to search for 2362 * Returns: 0 on success, or -1 if the network was not found 2363 */ 2364 int wpa_config_remove_network(struct wpa_config *config, int id) 2365 { 2366 struct wpa_ssid *ssid, *prev = NULL; 2367 2368 ssid = config->ssid; 2369 while (ssid) { 2370 if (id == ssid->id) 2371 break; 2372 prev = ssid; 2373 ssid = ssid->next; 2374 } 2375 2376 if (ssid == NULL) 2377 return -1; 2378 2379 if (prev) 2380 prev->next = ssid->next; 2381 else 2382 config->ssid = ssid->next; 2383 2384 wpa_config_update_prio_list(config); 2385 wpa_config_free_ssid(ssid); 2386 return 0; 2387 } 2388 2389 2390 /** 2391 * wpa_config_set_network_defaults - Set network default values 2392 * @ssid: Pointer to network configuration data 2393 */ 2394 void wpa_config_set_network_defaults(struct wpa_ssid *ssid) 2395 { 2396 ssid->proto = DEFAULT_PROTO; 2397 ssid->pairwise_cipher = DEFAULT_PAIRWISE; 2398 ssid->group_cipher = DEFAULT_GROUP; 2399 ssid->key_mgmt = DEFAULT_KEY_MGMT; 2400 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 2401 #ifdef IEEE8021X_EAPOL 2402 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS; 2403 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND; 2404 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE; 2405 ssid->eap.sim_num = DEFAULT_USER_SELECTED_SIM; 2406 #endif /* IEEE8021X_EAPOL */ 2407 #ifdef CONFIG_MESH 2408 ssid->dot11MeshMaxRetries = DEFAULT_MESH_MAX_RETRIES; 2409 ssid->dot11MeshRetryTimeout = DEFAULT_MESH_RETRY_TIMEOUT; 2410 ssid->dot11MeshConfirmTimeout = DEFAULT_MESH_CONFIRM_TIMEOUT; 2411 ssid->dot11MeshHoldingTimeout = DEFAULT_MESH_HOLDING_TIMEOUT; 2412 #endif /* CONFIG_MESH */ 2413 #ifdef CONFIG_HT_OVERRIDES 2414 ssid->disable_ht = DEFAULT_DISABLE_HT; 2415 ssid->disable_ht40 = DEFAULT_DISABLE_HT40; 2416 ssid->disable_sgi = DEFAULT_DISABLE_SGI; 2417 ssid->disable_ldpc = DEFAULT_DISABLE_LDPC; 2418 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU; 2419 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR; 2420 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY; 2421 #endif /* CONFIG_HT_OVERRIDES */ 2422 #ifdef CONFIG_VHT_OVERRIDES 2423 ssid->vht_rx_mcs_nss_1 = -1; 2424 ssid->vht_rx_mcs_nss_2 = -1; 2425 ssid->vht_rx_mcs_nss_3 = -1; 2426 ssid->vht_rx_mcs_nss_4 = -1; 2427 ssid->vht_rx_mcs_nss_5 = -1; 2428 ssid->vht_rx_mcs_nss_6 = -1; 2429 ssid->vht_rx_mcs_nss_7 = -1; 2430 ssid->vht_rx_mcs_nss_8 = -1; 2431 ssid->vht_tx_mcs_nss_1 = -1; 2432 ssid->vht_tx_mcs_nss_2 = -1; 2433 ssid->vht_tx_mcs_nss_3 = -1; 2434 ssid->vht_tx_mcs_nss_4 = -1; 2435 ssid->vht_tx_mcs_nss_5 = -1; 2436 ssid->vht_tx_mcs_nss_6 = -1; 2437 ssid->vht_tx_mcs_nss_7 = -1; 2438 ssid->vht_tx_mcs_nss_8 = -1; 2439 #endif /* CONFIG_VHT_OVERRIDES */ 2440 ssid->proactive_key_caching = -1; 2441 #ifdef CONFIG_IEEE80211W 2442 ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT; 2443 #endif /* CONFIG_IEEE80211W */ 2444 ssid->mac_addr = -1; 2445 } 2446 2447 2448 /** 2449 * wpa_config_set - Set a variable in network configuration 2450 * @ssid: Pointer to network configuration data 2451 * @var: Variable name, e.g., "ssid" 2452 * @value: Variable value 2453 * @line: Line number in configuration file or 0 if not used 2454 * Returns: 0 on success, -1 on failure 2455 * 2456 * This function can be used to set network configuration variables based on 2457 * both the configuration file and management interface input. The value 2458 * parameter must be in the same format as the text-based configuration file is 2459 * using. For example, strings are using double quotation marks. 2460 */ 2461 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value, 2462 int line) 2463 { 2464 size_t i; 2465 int ret = 0; 2466 2467 if (ssid == NULL || var == NULL || value == NULL) 2468 return -1; 2469 2470 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2471 const struct parse_data *field = &ssid_fields[i]; 2472 if (os_strcmp(var, field->name) != 0) 2473 continue; 2474 2475 if (field->parser(field, ssid, line, value)) { 2476 if (line) { 2477 wpa_printf(MSG_ERROR, "Line %d: failed to " 2478 "parse %s '%s'.", line, var, value); 2479 } 2480 ret = -1; 2481 } 2482 break; 2483 } 2484 if (i == NUM_SSID_FIELDS) { 2485 if (line) { 2486 wpa_printf(MSG_ERROR, "Line %d: unknown network field " 2487 "'%s'.", line, var); 2488 } 2489 ret = -1; 2490 } 2491 2492 return ret; 2493 } 2494 2495 2496 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var, 2497 const char *value) 2498 { 2499 size_t len; 2500 char *buf; 2501 int ret; 2502 2503 len = os_strlen(value); 2504 buf = os_malloc(len + 3); 2505 if (buf == NULL) 2506 return -1; 2507 buf[0] = '"'; 2508 os_memcpy(buf + 1, value, len); 2509 buf[len + 1] = '"'; 2510 buf[len + 2] = '\0'; 2511 ret = wpa_config_set(ssid, var, buf, 0); 2512 os_free(buf); 2513 return ret; 2514 } 2515 2516 2517 /** 2518 * wpa_config_get_all - Get all options from network configuration 2519 * @ssid: Pointer to network configuration data 2520 * @get_keys: Determines if keys/passwords will be included in returned list 2521 * (if they may be exported) 2522 * Returns: %NULL terminated list of all set keys and their values in the form 2523 * of [key1, val1, key2, val2, ... , NULL] 2524 * 2525 * This function can be used to get list of all configured network properties. 2526 * The caller is responsible for freeing the returned list and all its 2527 * elements. 2528 */ 2529 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys) 2530 { 2531 #ifdef NO_CONFIG_WRITE 2532 return NULL; 2533 #else /* NO_CONFIG_WRITE */ 2534 const struct parse_data *field; 2535 char *key, *value; 2536 size_t i; 2537 char **props; 2538 int fields_num; 2539 2540 get_keys = get_keys && ssid->export_keys; 2541 2542 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *)); 2543 if (!props) 2544 return NULL; 2545 2546 fields_num = 0; 2547 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2548 field = &ssid_fields[i]; 2549 if (field->key_data && !get_keys) 2550 continue; 2551 value = field->writer(field, ssid); 2552 if (value == NULL) 2553 continue; 2554 if (os_strlen(value) == 0) { 2555 os_free(value); 2556 continue; 2557 } 2558 2559 key = os_strdup(field->name); 2560 if (key == NULL) { 2561 os_free(value); 2562 goto err; 2563 } 2564 2565 props[fields_num * 2] = key; 2566 props[fields_num * 2 + 1] = value; 2567 2568 fields_num++; 2569 } 2570 2571 return props; 2572 2573 err: 2574 value = *props; 2575 while (value) 2576 os_free(value++); 2577 os_free(props); 2578 return NULL; 2579 #endif /* NO_CONFIG_WRITE */ 2580 } 2581 2582 2583 #ifndef NO_CONFIG_WRITE 2584 /** 2585 * wpa_config_get - Get a variable in network configuration 2586 * @ssid: Pointer to network configuration data 2587 * @var: Variable name, e.g., "ssid" 2588 * Returns: Value of the variable or %NULL on failure 2589 * 2590 * This function can be used to get network configuration variables. The 2591 * returned value is a copy of the configuration variable in text format, i.e,. 2592 * the same format that the text-based configuration file and wpa_config_set() 2593 * are using for the value. The caller is responsible for freeing the returned 2594 * value. 2595 */ 2596 char * wpa_config_get(struct wpa_ssid *ssid, const char *var) 2597 { 2598 size_t i; 2599 2600 if (ssid == NULL || var == NULL) 2601 return NULL; 2602 2603 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2604 const struct parse_data *field = &ssid_fields[i]; 2605 if (os_strcmp(var, field->name) == 0) 2606 return field->writer(field, ssid); 2607 } 2608 2609 return NULL; 2610 } 2611 2612 2613 /** 2614 * wpa_config_get_no_key - Get a variable in network configuration (no keys) 2615 * @ssid: Pointer to network configuration data 2616 * @var: Variable name, e.g., "ssid" 2617 * Returns: Value of the variable or %NULL on failure 2618 * 2619 * This function can be used to get network configuration variable like 2620 * wpa_config_get(). The only difference is that this functions does not expose 2621 * key/password material from the configuration. In case a key/password field 2622 * is requested, the returned value is an empty string or %NULL if the variable 2623 * is not set or "*" if the variable is set (regardless of its value). The 2624 * returned value is a copy of the configuration variable in text format, i.e,. 2625 * the same format that the text-based configuration file and wpa_config_set() 2626 * are using for the value. The caller is responsible for freeing the returned 2627 * value. 2628 */ 2629 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var) 2630 { 2631 size_t i; 2632 2633 if (ssid == NULL || var == NULL) 2634 return NULL; 2635 2636 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2637 const struct parse_data *field = &ssid_fields[i]; 2638 if (os_strcmp(var, field->name) == 0) { 2639 char *res = field->writer(field, ssid); 2640 if (field->key_data) { 2641 if (res && res[0]) { 2642 wpa_printf(MSG_DEBUG, "Do not allow " 2643 "key_data field to be " 2644 "exposed"); 2645 str_clear_free(res); 2646 return os_strdup("*"); 2647 } 2648 2649 os_free(res); 2650 return NULL; 2651 } 2652 return res; 2653 } 2654 } 2655 2656 return NULL; 2657 } 2658 #endif /* NO_CONFIG_WRITE */ 2659 2660 2661 /** 2662 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID 2663 * @ssid: Pointer to network configuration data 2664 * 2665 * This function must be called to update WPA PSK when either SSID or the 2666 * passphrase has changed for the network configuration. 2667 */ 2668 void wpa_config_update_psk(struct wpa_ssid *ssid) 2669 { 2670 #ifndef CONFIG_NO_PBKDF2 2671 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096, 2672 ssid->psk, PMK_LEN); 2673 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", 2674 ssid->psk, PMK_LEN); 2675 ssid->psk_set = 1; 2676 #endif /* CONFIG_NO_PBKDF2 */ 2677 } 2678 2679 2680 static int wpa_config_set_cred_req_conn_capab(struct wpa_cred *cred, 2681 const char *value) 2682 { 2683 u8 *proto; 2684 int **port; 2685 int *ports, *nports; 2686 const char *pos; 2687 unsigned int num_ports; 2688 2689 proto = os_realloc_array(cred->req_conn_capab_proto, 2690 cred->num_req_conn_capab + 1, sizeof(u8)); 2691 if (proto == NULL) 2692 return -1; 2693 cred->req_conn_capab_proto = proto; 2694 2695 port = os_realloc_array(cred->req_conn_capab_port, 2696 cred->num_req_conn_capab + 1, sizeof(int *)); 2697 if (port == NULL) 2698 return -1; 2699 cred->req_conn_capab_port = port; 2700 2701 proto[cred->num_req_conn_capab] = atoi(value); 2702 2703 pos = os_strchr(value, ':'); 2704 if (pos == NULL) { 2705 port[cred->num_req_conn_capab] = NULL; 2706 cred->num_req_conn_capab++; 2707 return 0; 2708 } 2709 pos++; 2710 2711 ports = NULL; 2712 num_ports = 0; 2713 2714 while (*pos) { 2715 nports = os_realloc_array(ports, num_ports + 1, sizeof(int)); 2716 if (nports == NULL) { 2717 os_free(ports); 2718 return -1; 2719 } 2720 ports = nports; 2721 ports[num_ports++] = atoi(pos); 2722 2723 pos = os_strchr(pos, ','); 2724 if (pos == NULL) 2725 break; 2726 pos++; 2727 } 2728 2729 nports = os_realloc_array(ports, num_ports + 1, sizeof(int)); 2730 if (nports == NULL) { 2731 os_free(ports); 2732 return -1; 2733 } 2734 ports = nports; 2735 ports[num_ports] = -1; 2736 2737 port[cred->num_req_conn_capab] = ports; 2738 cred->num_req_conn_capab++; 2739 return 0; 2740 } 2741 2742 2743 int wpa_config_set_cred(struct wpa_cred *cred, const char *var, 2744 const char *value, int line) 2745 { 2746 char *val; 2747 size_t len; 2748 2749 if (os_strcmp(var, "temporary") == 0) { 2750 cred->temporary = atoi(value); 2751 return 0; 2752 } 2753 2754 if (os_strcmp(var, "priority") == 0) { 2755 cred->priority = atoi(value); 2756 return 0; 2757 } 2758 2759 if (os_strcmp(var, "sp_priority") == 0) { 2760 int prio = atoi(value); 2761 if (prio < 0 || prio > 255) 2762 return -1; 2763 cred->sp_priority = prio; 2764 return 0; 2765 } 2766 2767 if (os_strcmp(var, "pcsc") == 0) { 2768 cred->pcsc = atoi(value); 2769 return 0; 2770 } 2771 2772 if (os_strcmp(var, "eap") == 0) { 2773 struct eap_method_type method; 2774 method.method = eap_peer_get_type(value, &method.vendor); 2775 if (method.vendor == EAP_VENDOR_IETF && 2776 method.method == EAP_TYPE_NONE) { 2777 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' " 2778 "for a credential", line, value); 2779 return -1; 2780 } 2781 os_free(cred->eap_method); 2782 cred->eap_method = os_malloc(sizeof(*cred->eap_method)); 2783 if (cred->eap_method == NULL) 2784 return -1; 2785 os_memcpy(cred->eap_method, &method, sizeof(method)); 2786 return 0; 2787 } 2788 2789 if (os_strcmp(var, "password") == 0 && 2790 os_strncmp(value, "ext:", 4) == 0) { 2791 str_clear_free(cred->password); 2792 cred->password = os_strdup(value); 2793 cred->ext_password = 1; 2794 return 0; 2795 } 2796 2797 if (os_strcmp(var, "update_identifier") == 0) { 2798 cred->update_identifier = atoi(value); 2799 return 0; 2800 } 2801 2802 if (os_strcmp(var, "min_dl_bandwidth_home") == 0) { 2803 cred->min_dl_bandwidth_home = atoi(value); 2804 return 0; 2805 } 2806 2807 if (os_strcmp(var, "min_ul_bandwidth_home") == 0) { 2808 cred->min_ul_bandwidth_home = atoi(value); 2809 return 0; 2810 } 2811 2812 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) { 2813 cred->min_dl_bandwidth_roaming = atoi(value); 2814 return 0; 2815 } 2816 2817 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) { 2818 cred->min_ul_bandwidth_roaming = atoi(value); 2819 return 0; 2820 } 2821 2822 if (os_strcmp(var, "max_bss_load") == 0) { 2823 cred->max_bss_load = atoi(value); 2824 return 0; 2825 } 2826 2827 if (os_strcmp(var, "req_conn_capab") == 0) 2828 return wpa_config_set_cred_req_conn_capab(cred, value); 2829 2830 if (os_strcmp(var, "ocsp") == 0) { 2831 cred->ocsp = atoi(value); 2832 return 0; 2833 } 2834 2835 if (os_strcmp(var, "sim_num") == 0) { 2836 cred->sim_num = atoi(value); 2837 return 0; 2838 } 2839 2840 val = wpa_config_parse_string(value, &len); 2841 if (val == NULL) { 2842 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string " 2843 "value '%s'.", line, var, value); 2844 return -1; 2845 } 2846 2847 if (os_strcmp(var, "realm") == 0) { 2848 os_free(cred->realm); 2849 cred->realm = val; 2850 return 0; 2851 } 2852 2853 if (os_strcmp(var, "username") == 0) { 2854 str_clear_free(cred->username); 2855 cred->username = val; 2856 return 0; 2857 } 2858 2859 if (os_strcmp(var, "password") == 0) { 2860 str_clear_free(cred->password); 2861 cred->password = val; 2862 cred->ext_password = 0; 2863 return 0; 2864 } 2865 2866 if (os_strcmp(var, "ca_cert") == 0) { 2867 os_free(cred->ca_cert); 2868 cred->ca_cert = val; 2869 return 0; 2870 } 2871 2872 if (os_strcmp(var, "client_cert") == 0) { 2873 os_free(cred->client_cert); 2874 cred->client_cert = val; 2875 return 0; 2876 } 2877 2878 if (os_strcmp(var, "private_key") == 0) { 2879 os_free(cred->private_key); 2880 cred->private_key = val; 2881 return 0; 2882 } 2883 2884 if (os_strcmp(var, "private_key_passwd") == 0) { 2885 str_clear_free(cred->private_key_passwd); 2886 cred->private_key_passwd = val; 2887 return 0; 2888 } 2889 2890 if (os_strcmp(var, "imsi") == 0) { 2891 os_free(cred->imsi); 2892 cred->imsi = val; 2893 return 0; 2894 } 2895 2896 if (os_strcmp(var, "milenage") == 0) { 2897 str_clear_free(cred->milenage); 2898 cred->milenage = val; 2899 return 0; 2900 } 2901 2902 if (os_strcmp(var, "domain_suffix_match") == 0) { 2903 os_free(cred->domain_suffix_match); 2904 cred->domain_suffix_match = val; 2905 return 0; 2906 } 2907 2908 if (os_strcmp(var, "domain") == 0) { 2909 char **new_domain; 2910 new_domain = os_realloc_array(cred->domain, 2911 cred->num_domain + 1, 2912 sizeof(char *)); 2913 if (new_domain == NULL) { 2914 os_free(val); 2915 return -1; 2916 } 2917 new_domain[cred->num_domain++] = val; 2918 cred->domain = new_domain; 2919 return 0; 2920 } 2921 2922 if (os_strcmp(var, "phase1") == 0) { 2923 os_free(cred->phase1); 2924 cred->phase1 = val; 2925 return 0; 2926 } 2927 2928 if (os_strcmp(var, "phase2") == 0) { 2929 os_free(cred->phase2); 2930 cred->phase2 = val; 2931 return 0; 2932 } 2933 2934 if (os_strcmp(var, "roaming_consortium") == 0) { 2935 if (len < 3 || len > sizeof(cred->roaming_consortium)) { 2936 wpa_printf(MSG_ERROR, "Line %d: invalid " 2937 "roaming_consortium length %d (3..15 " 2938 "expected)", line, (int) len); 2939 os_free(val); 2940 return -1; 2941 } 2942 os_memcpy(cred->roaming_consortium, val, len); 2943 cred->roaming_consortium_len = len; 2944 os_free(val); 2945 return 0; 2946 } 2947 2948 if (os_strcmp(var, "required_roaming_consortium") == 0) { 2949 if (len < 3 || len > sizeof(cred->required_roaming_consortium)) 2950 { 2951 wpa_printf(MSG_ERROR, "Line %d: invalid " 2952 "required_roaming_consortium length %d " 2953 "(3..15 expected)", line, (int) len); 2954 os_free(val); 2955 return -1; 2956 } 2957 os_memcpy(cred->required_roaming_consortium, val, len); 2958 cred->required_roaming_consortium_len = len; 2959 os_free(val); 2960 return 0; 2961 } 2962 2963 if (os_strcmp(var, "excluded_ssid") == 0) { 2964 struct excluded_ssid *e; 2965 2966 if (len > SSID_MAX_LEN) { 2967 wpa_printf(MSG_ERROR, "Line %d: invalid " 2968 "excluded_ssid length %d", line, (int) len); 2969 os_free(val); 2970 return -1; 2971 } 2972 2973 e = os_realloc_array(cred->excluded_ssid, 2974 cred->num_excluded_ssid + 1, 2975 sizeof(struct excluded_ssid)); 2976 if (e == NULL) { 2977 os_free(val); 2978 return -1; 2979 } 2980 cred->excluded_ssid = e; 2981 2982 e = &cred->excluded_ssid[cred->num_excluded_ssid++]; 2983 os_memcpy(e->ssid, val, len); 2984 e->ssid_len = len; 2985 2986 os_free(val); 2987 2988 return 0; 2989 } 2990 2991 if (os_strcmp(var, "roaming_partner") == 0) { 2992 struct roaming_partner *p; 2993 char *pos; 2994 2995 p = os_realloc_array(cred->roaming_partner, 2996 cred->num_roaming_partner + 1, 2997 sizeof(struct roaming_partner)); 2998 if (p == NULL) { 2999 os_free(val); 3000 return -1; 3001 } 3002 cred->roaming_partner = p; 3003 3004 p = &cred->roaming_partner[cred->num_roaming_partner]; 3005 3006 pos = os_strchr(val, ','); 3007 if (pos == NULL) { 3008 os_free(val); 3009 return -1; 3010 } 3011 *pos++ = '\0'; 3012 if (pos - val - 1 >= (int) sizeof(p->fqdn)) { 3013 os_free(val); 3014 return -1; 3015 } 3016 os_memcpy(p->fqdn, val, pos - val); 3017 3018 p->exact_match = atoi(pos); 3019 3020 pos = os_strchr(pos, ','); 3021 if (pos == NULL) { 3022 os_free(val); 3023 return -1; 3024 } 3025 *pos++ = '\0'; 3026 3027 p->priority = atoi(pos); 3028 3029 pos = os_strchr(pos, ','); 3030 if (pos == NULL) { 3031 os_free(val); 3032 return -1; 3033 } 3034 *pos++ = '\0'; 3035 3036 if (os_strlen(pos) >= sizeof(p->country)) { 3037 os_free(val); 3038 return -1; 3039 } 3040 os_memcpy(p->country, pos, os_strlen(pos) + 1); 3041 3042 cred->num_roaming_partner++; 3043 os_free(val); 3044 3045 return 0; 3046 } 3047 3048 if (os_strcmp(var, "provisioning_sp") == 0) { 3049 os_free(cred->provisioning_sp); 3050 cred->provisioning_sp = val; 3051 return 0; 3052 } 3053 3054 if (line) { 3055 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.", 3056 line, var); 3057 } 3058 3059 os_free(val); 3060 3061 return -1; 3062 } 3063 3064 3065 static char * alloc_int_str(int val) 3066 { 3067 const unsigned int bufsize = 20; 3068 char *buf; 3069 int res; 3070 3071 buf = os_malloc(bufsize); 3072 if (buf == NULL) 3073 return NULL; 3074 res = os_snprintf(buf, bufsize, "%d", val); 3075 if (os_snprintf_error(bufsize, res)) { 3076 os_free(buf); 3077 buf = NULL; 3078 } 3079 return buf; 3080 } 3081 3082 3083 static char * alloc_strdup(const char *str) 3084 { 3085 if (str == NULL) 3086 return NULL; 3087 return os_strdup(str); 3088 } 3089 3090 3091 char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var) 3092 { 3093 if (os_strcmp(var, "temporary") == 0) 3094 return alloc_int_str(cred->temporary); 3095 3096 if (os_strcmp(var, "priority") == 0) 3097 return alloc_int_str(cred->priority); 3098 3099 if (os_strcmp(var, "sp_priority") == 0) 3100 return alloc_int_str(cred->sp_priority); 3101 3102 if (os_strcmp(var, "pcsc") == 0) 3103 return alloc_int_str(cred->pcsc); 3104 3105 if (os_strcmp(var, "eap") == 0) { 3106 if (!cred->eap_method) 3107 return NULL; 3108 return alloc_strdup(eap_get_name(cred->eap_method[0].vendor, 3109 cred->eap_method[0].method)); 3110 } 3111 3112 if (os_strcmp(var, "update_identifier") == 0) 3113 return alloc_int_str(cred->update_identifier); 3114 3115 if (os_strcmp(var, "min_dl_bandwidth_home") == 0) 3116 return alloc_int_str(cred->min_dl_bandwidth_home); 3117 3118 if (os_strcmp(var, "min_ul_bandwidth_home") == 0) 3119 return alloc_int_str(cred->min_ul_bandwidth_home); 3120 3121 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) 3122 return alloc_int_str(cred->min_dl_bandwidth_roaming); 3123 3124 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) 3125 return alloc_int_str(cred->min_ul_bandwidth_roaming); 3126 3127 if (os_strcmp(var, "max_bss_load") == 0) 3128 return alloc_int_str(cred->max_bss_load); 3129 3130 if (os_strcmp(var, "req_conn_capab") == 0) { 3131 unsigned int i; 3132 char *buf, *end, *pos; 3133 int ret; 3134 3135 if (!cred->num_req_conn_capab) 3136 return NULL; 3137 3138 buf = os_malloc(4000); 3139 if (buf == NULL) 3140 return NULL; 3141 pos = buf; 3142 end = pos + 4000; 3143 for (i = 0; i < cred->num_req_conn_capab; i++) { 3144 int *ports; 3145 3146 ret = os_snprintf(pos, end - pos, "%s%u", 3147 i > 0 ? "\n" : "", 3148 cred->req_conn_capab_proto[i]); 3149 if (os_snprintf_error(end - pos, ret)) 3150 return buf; 3151 pos += ret; 3152 3153 ports = cred->req_conn_capab_port[i]; 3154 if (ports) { 3155 int j; 3156 for (j = 0; ports[j] != -1; j++) { 3157 ret = os_snprintf(pos, end - pos, 3158 "%s%d", 3159 j > 0 ? "," : ":", 3160 ports[j]); 3161 if (os_snprintf_error(end - pos, ret)) 3162 return buf; 3163 pos += ret; 3164 } 3165 } 3166 } 3167 3168 return buf; 3169 } 3170 3171 if (os_strcmp(var, "ocsp") == 0) 3172 return alloc_int_str(cred->ocsp); 3173 3174 if (os_strcmp(var, "realm") == 0) 3175 return alloc_strdup(cred->realm); 3176 3177 if (os_strcmp(var, "username") == 0) 3178 return alloc_strdup(cred->username); 3179 3180 if (os_strcmp(var, "password") == 0) { 3181 if (!cred->password) 3182 return NULL; 3183 return alloc_strdup("*"); 3184 } 3185 3186 if (os_strcmp(var, "ca_cert") == 0) 3187 return alloc_strdup(cred->ca_cert); 3188 3189 if (os_strcmp(var, "client_cert") == 0) 3190 return alloc_strdup(cred->client_cert); 3191 3192 if (os_strcmp(var, "private_key") == 0) 3193 return alloc_strdup(cred->private_key); 3194 3195 if (os_strcmp(var, "private_key_passwd") == 0) { 3196 if (!cred->private_key_passwd) 3197 return NULL; 3198 return alloc_strdup("*"); 3199 } 3200 3201 if (os_strcmp(var, "imsi") == 0) 3202 return alloc_strdup(cred->imsi); 3203 3204 if (os_strcmp(var, "milenage") == 0) { 3205 if (!(cred->milenage)) 3206 return NULL; 3207 return alloc_strdup("*"); 3208 } 3209 3210 if (os_strcmp(var, "domain_suffix_match") == 0) 3211 return alloc_strdup(cred->domain_suffix_match); 3212 3213 if (os_strcmp(var, "domain") == 0) { 3214 unsigned int i; 3215 char *buf, *end, *pos; 3216 int ret; 3217 3218 if (!cred->num_domain) 3219 return NULL; 3220 3221 buf = os_malloc(4000); 3222 if (buf == NULL) 3223 return NULL; 3224 pos = buf; 3225 end = pos + 4000; 3226 3227 for (i = 0; i < cred->num_domain; i++) { 3228 ret = os_snprintf(pos, end - pos, "%s%s", 3229 i > 0 ? "\n" : "", cred->domain[i]); 3230 if (os_snprintf_error(end - pos, ret)) 3231 return buf; 3232 pos += ret; 3233 } 3234 3235 return buf; 3236 } 3237 3238 if (os_strcmp(var, "phase1") == 0) 3239 return alloc_strdup(cred->phase1); 3240 3241 if (os_strcmp(var, "phase2") == 0) 3242 return alloc_strdup(cred->phase2); 3243 3244 if (os_strcmp(var, "roaming_consortium") == 0) { 3245 size_t buflen; 3246 char *buf; 3247 3248 if (!cred->roaming_consortium_len) 3249 return NULL; 3250 buflen = cred->roaming_consortium_len * 2 + 1; 3251 buf = os_malloc(buflen); 3252 if (buf == NULL) 3253 return NULL; 3254 wpa_snprintf_hex(buf, buflen, cred->roaming_consortium, 3255 cred->roaming_consortium_len); 3256 return buf; 3257 } 3258 3259 if (os_strcmp(var, "required_roaming_consortium") == 0) { 3260 size_t buflen; 3261 char *buf; 3262 3263 if (!cred->required_roaming_consortium_len) 3264 return NULL; 3265 buflen = cred->required_roaming_consortium_len * 2 + 1; 3266 buf = os_malloc(buflen); 3267 if (buf == NULL) 3268 return NULL; 3269 wpa_snprintf_hex(buf, buflen, cred->required_roaming_consortium, 3270 cred->required_roaming_consortium_len); 3271 return buf; 3272 } 3273 3274 if (os_strcmp(var, "excluded_ssid") == 0) { 3275 unsigned int i; 3276 char *buf, *end, *pos; 3277 3278 if (!cred->num_excluded_ssid) 3279 return NULL; 3280 3281 buf = os_malloc(4000); 3282 if (buf == NULL) 3283 return NULL; 3284 pos = buf; 3285 end = pos + 4000; 3286 3287 for (i = 0; i < cred->num_excluded_ssid; i++) { 3288 struct excluded_ssid *e; 3289 int ret; 3290 3291 e = &cred->excluded_ssid[i]; 3292 ret = os_snprintf(pos, end - pos, "%s%s", 3293 i > 0 ? "\n" : "", 3294 wpa_ssid_txt(e->ssid, e->ssid_len)); 3295 if (os_snprintf_error(end - pos, ret)) 3296 return buf; 3297 pos += ret; 3298 } 3299 3300 return buf; 3301 } 3302 3303 if (os_strcmp(var, "roaming_partner") == 0) { 3304 unsigned int i; 3305 char *buf, *end, *pos; 3306 3307 if (!cred->num_roaming_partner) 3308 return NULL; 3309 3310 buf = os_malloc(4000); 3311 if (buf == NULL) 3312 return NULL; 3313 pos = buf; 3314 end = pos + 4000; 3315 3316 for (i = 0; i < cred->num_roaming_partner; i++) { 3317 struct roaming_partner *p; 3318 int ret; 3319 3320 p = &cred->roaming_partner[i]; 3321 ret = os_snprintf(pos, end - pos, "%s%s,%d,%u,%s", 3322 i > 0 ? "\n" : "", 3323 p->fqdn, p->exact_match, p->priority, 3324 p->country); 3325 if (os_snprintf_error(end - pos, ret)) 3326 return buf; 3327 pos += ret; 3328 } 3329 3330 return buf; 3331 } 3332 3333 if (os_strcmp(var, "provisioning_sp") == 0) 3334 return alloc_strdup(cred->provisioning_sp); 3335 3336 return NULL; 3337 } 3338 3339 3340 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id) 3341 { 3342 struct wpa_cred *cred; 3343 3344 cred = config->cred; 3345 while (cred) { 3346 if (id == cred->id) 3347 break; 3348 cred = cred->next; 3349 } 3350 3351 return cred; 3352 } 3353 3354 3355 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config) 3356 { 3357 int id; 3358 struct wpa_cred *cred, *last = NULL; 3359 3360 id = -1; 3361 cred = config->cred; 3362 while (cred) { 3363 if (cred->id > id) 3364 id = cred->id; 3365 last = cred; 3366 cred = cred->next; 3367 } 3368 id++; 3369 3370 cred = os_zalloc(sizeof(*cred)); 3371 if (cred == NULL) 3372 return NULL; 3373 cred->id = id; 3374 cred->sim_num = DEFAULT_USER_SELECTED_SIM; 3375 if (last) 3376 last->next = cred; 3377 else 3378 config->cred = cred; 3379 3380 return cred; 3381 } 3382 3383 3384 int wpa_config_remove_cred(struct wpa_config *config, int id) 3385 { 3386 struct wpa_cred *cred, *prev = NULL; 3387 3388 cred = config->cred; 3389 while (cred) { 3390 if (id == cred->id) 3391 break; 3392 prev = cred; 3393 cred = cred->next; 3394 } 3395 3396 if (cred == NULL) 3397 return -1; 3398 3399 if (prev) 3400 prev->next = cred->next; 3401 else 3402 config->cred = cred->next; 3403 3404 wpa_config_free_cred(cred); 3405 return 0; 3406 } 3407 3408 3409 #ifndef CONFIG_NO_CONFIG_BLOBS 3410 /** 3411 * wpa_config_get_blob - Get a named configuration blob 3412 * @config: Configuration data from wpa_config_read() 3413 * @name: Name of the blob 3414 * Returns: Pointer to blob data or %NULL if not found 3415 */ 3416 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config, 3417 const char *name) 3418 { 3419 struct wpa_config_blob *blob = config->blobs; 3420 3421 while (blob) { 3422 if (os_strcmp(blob->name, name) == 0) 3423 return blob; 3424 blob = blob->next; 3425 } 3426 return NULL; 3427 } 3428 3429 3430 /** 3431 * wpa_config_set_blob - Set or add a named configuration blob 3432 * @config: Configuration data from wpa_config_read() 3433 * @blob: New value for the blob 3434 * 3435 * Adds a new configuration blob or replaces the current value of an existing 3436 * blob. 3437 */ 3438 void wpa_config_set_blob(struct wpa_config *config, 3439 struct wpa_config_blob *blob) 3440 { 3441 wpa_config_remove_blob(config, blob->name); 3442 blob->next = config->blobs; 3443 config->blobs = blob; 3444 } 3445 3446 3447 /** 3448 * wpa_config_free_blob - Free blob data 3449 * @blob: Pointer to blob to be freed 3450 */ 3451 void wpa_config_free_blob(struct wpa_config_blob *blob) 3452 { 3453 if (blob) { 3454 os_free(blob->name); 3455 bin_clear_free(blob->data, blob->len); 3456 os_free(blob); 3457 } 3458 } 3459 3460 3461 /** 3462 * wpa_config_remove_blob - Remove a named configuration blob 3463 * @config: Configuration data from wpa_config_read() 3464 * @name: Name of the blob to remove 3465 * Returns: 0 if blob was removed or -1 if blob was not found 3466 */ 3467 int wpa_config_remove_blob(struct wpa_config *config, const char *name) 3468 { 3469 struct wpa_config_blob *pos = config->blobs, *prev = NULL; 3470 3471 while (pos) { 3472 if (os_strcmp(pos->name, name) == 0) { 3473 if (prev) 3474 prev->next = pos->next; 3475 else 3476 config->blobs = pos->next; 3477 wpa_config_free_blob(pos); 3478 return 0; 3479 } 3480 prev = pos; 3481 pos = pos->next; 3482 } 3483 3484 return -1; 3485 } 3486 #endif /* CONFIG_NO_CONFIG_BLOBS */ 3487 3488 3489 /** 3490 * wpa_config_alloc_empty - Allocate an empty configuration 3491 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain 3492 * socket 3493 * @driver_param: Driver parameters 3494 * Returns: Pointer to allocated configuration data or %NULL on failure 3495 */ 3496 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface, 3497 const char *driver_param) 3498 { 3499 struct wpa_config *config; 3500 const int aCWmin = 4, aCWmax = 10; 3501 const struct hostapd_wmm_ac_params ac_bk = 3502 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */ 3503 const struct hostapd_wmm_ac_params ac_be = 3504 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */ 3505 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */ 3506 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 }; 3507 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */ 3508 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 }; 3509 3510 config = os_zalloc(sizeof(*config)); 3511 if (config == NULL) 3512 return NULL; 3513 config->eapol_version = DEFAULT_EAPOL_VERSION; 3514 config->ap_scan = DEFAULT_AP_SCAN; 3515 config->user_mpm = DEFAULT_USER_MPM; 3516 config->max_peer_links = DEFAULT_MAX_PEER_LINKS; 3517 config->mesh_max_inactivity = DEFAULT_MESH_MAX_INACTIVITY; 3518 config->fast_reauth = DEFAULT_FAST_REAUTH; 3519 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT; 3520 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS; 3521 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY; 3522 config->p2p_optimize_listen_chan = DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN; 3523 config->p2p_go_ctwindow = DEFAULT_P2P_GO_CTWINDOW; 3524 config->bss_max_count = DEFAULT_BSS_MAX_COUNT; 3525 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE; 3526 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT; 3527 config->max_num_sta = DEFAULT_MAX_NUM_STA; 3528 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE; 3529 config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ; 3530 config->wmm_ac_params[0] = ac_be; 3531 config->wmm_ac_params[1] = ac_bk; 3532 config->wmm_ac_params[2] = ac_vi; 3533 config->wmm_ac_params[3] = ac_vo; 3534 config->p2p_search_delay = DEFAULT_P2P_SEARCH_DELAY; 3535 config->rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME; 3536 config->key_mgmt_offload = DEFAULT_KEY_MGMT_OFFLOAD; 3537 config->cert_in_cb = DEFAULT_CERT_IN_CB; 3538 3539 if (ctrl_interface) 3540 config->ctrl_interface = os_strdup(ctrl_interface); 3541 if (driver_param) 3542 config->driver_param = os_strdup(driver_param); 3543 3544 return config; 3545 } 3546 3547 3548 #ifndef CONFIG_NO_STDOUT_DEBUG 3549 /** 3550 * wpa_config_debug_dump_networks - Debug dump of configured networks 3551 * @config: Configuration data from wpa_config_read() 3552 */ 3553 void wpa_config_debug_dump_networks(struct wpa_config *config) 3554 { 3555 int prio; 3556 struct wpa_ssid *ssid; 3557 3558 for (prio = 0; prio < config->num_prio; prio++) { 3559 ssid = config->pssid[prio]; 3560 wpa_printf(MSG_DEBUG, "Priority group %d", 3561 ssid->priority); 3562 while (ssid) { 3563 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'", 3564 ssid->id, 3565 wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); 3566 ssid = ssid->pnext; 3567 } 3568 } 3569 } 3570 #endif /* CONFIG_NO_STDOUT_DEBUG */ 3571 3572 3573 struct global_parse_data { 3574 char *name; 3575 int (*parser)(const struct global_parse_data *data, 3576 struct wpa_config *config, int line, const char *value); 3577 int (*get)(const char *name, struct wpa_config *config, long offset, 3578 char *buf, size_t buflen, int pretty_print); 3579 void *param1, *param2, *param3; 3580 unsigned int changed_flag; 3581 }; 3582 3583 3584 static int wpa_global_config_parse_int(const struct global_parse_data *data, 3585 struct wpa_config *config, int line, 3586 const char *pos) 3587 { 3588 int val, *dst; 3589 char *end; 3590 3591 dst = (int *) (((u8 *) config) + (long) data->param1); 3592 val = strtol(pos, &end, 0); 3593 if (*end) { 3594 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"", 3595 line, pos); 3596 return -1; 3597 } 3598 *dst = val; 3599 3600 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst); 3601 3602 if (data->param2 && *dst < (long) data->param2) { 3603 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d " 3604 "min_value=%ld)", line, data->name, *dst, 3605 (long) data->param2); 3606 *dst = (long) data->param2; 3607 return -1; 3608 } 3609 3610 if (data->param3 && *dst > (long) data->param3) { 3611 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d " 3612 "max_value=%ld)", line, data->name, *dst, 3613 (long) data->param3); 3614 *dst = (long) data->param3; 3615 return -1; 3616 } 3617 3618 return 0; 3619 } 3620 3621 3622 static int wpa_global_config_parse_str(const struct global_parse_data *data, 3623 struct wpa_config *config, int line, 3624 const char *pos) 3625 { 3626 size_t len; 3627 char **dst, *tmp; 3628 3629 len = os_strlen(pos); 3630 if (data->param2 && len < (size_t) data->param2) { 3631 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu " 3632 "min_len=%ld)", line, data->name, 3633 (unsigned long) len, (long) data->param2); 3634 return -1; 3635 } 3636 3637 if (data->param3 && len > (size_t) data->param3) { 3638 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu " 3639 "max_len=%ld)", line, data->name, 3640 (unsigned long) len, (long) data->param3); 3641 return -1; 3642 } 3643 3644 tmp = os_strdup(pos); 3645 if (tmp == NULL) 3646 return -1; 3647 3648 dst = (char **) (((u8 *) config) + (long) data->param1); 3649 os_free(*dst); 3650 *dst = tmp; 3651 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst); 3652 3653 return 0; 3654 } 3655 3656 3657 static int wpa_config_process_bgscan(const struct global_parse_data *data, 3658 struct wpa_config *config, int line, 3659 const char *pos) 3660 { 3661 size_t len; 3662 char *tmp; 3663 int res; 3664 3665 tmp = wpa_config_parse_string(pos, &len); 3666 if (tmp == NULL) { 3667 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s", 3668 line, data->name); 3669 return -1; 3670 } 3671 3672 res = wpa_global_config_parse_str(data, config, line, tmp); 3673 os_free(tmp); 3674 return res; 3675 } 3676 3677 3678 static int wpa_global_config_parse_bin(const struct global_parse_data *data, 3679 struct wpa_config *config, int line, 3680 const char *pos) 3681 { 3682 size_t len; 3683 struct wpabuf **dst, *tmp; 3684 3685 len = os_strlen(pos); 3686 if (len & 0x01) 3687 return -1; 3688 3689 tmp = wpabuf_alloc(len / 2); 3690 if (tmp == NULL) 3691 return -1; 3692 3693 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) { 3694 wpabuf_free(tmp); 3695 return -1; 3696 } 3697 3698 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1); 3699 wpabuf_free(*dst); 3700 *dst = tmp; 3701 wpa_printf(MSG_DEBUG, "%s", data->name); 3702 3703 return 0; 3704 } 3705 3706 3707 static int wpa_config_process_freq_list(const struct global_parse_data *data, 3708 struct wpa_config *config, int line, 3709 const char *value) 3710 { 3711 int *freqs; 3712 3713 freqs = wpa_config_parse_int_array(value); 3714 if (freqs == NULL) 3715 return -1; 3716 if (freqs[0] == 0) { 3717 os_free(freqs); 3718 freqs = NULL; 3719 } 3720 os_free(config->freq_list); 3721 config->freq_list = freqs; 3722 return 0; 3723 } 3724 3725 3726 #ifdef CONFIG_P2P 3727 static int wpa_global_config_parse_ipv4(const struct global_parse_data *data, 3728 struct wpa_config *config, int line, 3729 const char *pos) 3730 { 3731 u32 *dst; 3732 struct hostapd_ip_addr addr; 3733 3734 if (hostapd_parse_ip_addr(pos, &addr) < 0) 3735 return -1; 3736 if (addr.af != AF_INET) 3737 return -1; 3738 3739 dst = (u32 *) (((u8 *) config) + (long) data->param1); 3740 os_memcpy(dst, &addr.u.v4.s_addr, 4); 3741 wpa_printf(MSG_DEBUG, "%s = 0x%x", data->name, 3742 WPA_GET_BE32((u8 *) dst)); 3743 3744 return 0; 3745 } 3746 #endif /* CONFIG_P2P */ 3747 3748 3749 static int wpa_config_process_country(const struct global_parse_data *data, 3750 struct wpa_config *config, int line, 3751 const char *pos) 3752 { 3753 if (!pos[0] || !pos[1]) { 3754 wpa_printf(MSG_DEBUG, "Invalid country set"); 3755 return -1; 3756 } 3757 config->country[0] = pos[0]; 3758 config->country[1] = pos[1]; 3759 wpa_printf(MSG_DEBUG, "country='%c%c'", 3760 config->country[0], config->country[1]); 3761 return 0; 3762 } 3763 3764 3765 static int wpa_config_process_load_dynamic_eap( 3766 const struct global_parse_data *data, struct wpa_config *config, 3767 int line, const char *so) 3768 { 3769 int ret; 3770 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so); 3771 ret = eap_peer_method_load(so); 3772 if (ret == -2) { 3773 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not " 3774 "reloading."); 3775 } else if (ret) { 3776 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP " 3777 "method '%s'.", line, so); 3778 return -1; 3779 } 3780 3781 return 0; 3782 } 3783 3784 3785 #ifdef CONFIG_WPS 3786 3787 static int wpa_config_process_uuid(const struct global_parse_data *data, 3788 struct wpa_config *config, int line, 3789 const char *pos) 3790 { 3791 char buf[40]; 3792 if (uuid_str2bin(pos, config->uuid)) { 3793 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line); 3794 return -1; 3795 } 3796 uuid_bin2str(config->uuid, buf, sizeof(buf)); 3797 wpa_printf(MSG_DEBUG, "uuid=%s", buf); 3798 return 0; 3799 } 3800 3801 3802 static int wpa_config_process_device_type( 3803 const struct global_parse_data *data, 3804 struct wpa_config *config, int line, const char *pos) 3805 { 3806 return wps_dev_type_str2bin(pos, config->device_type); 3807 } 3808 3809 3810 static int wpa_config_process_os_version(const struct global_parse_data *data, 3811 struct wpa_config *config, int line, 3812 const char *pos) 3813 { 3814 if (hexstr2bin(pos, config->os_version, 4)) { 3815 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line); 3816 return -1; 3817 } 3818 wpa_printf(MSG_DEBUG, "os_version=%08x", 3819 WPA_GET_BE32(config->os_version)); 3820 return 0; 3821 } 3822 3823 3824 static int wpa_config_process_wps_vendor_ext_m1( 3825 const struct global_parse_data *data, 3826 struct wpa_config *config, int line, const char *pos) 3827 { 3828 struct wpabuf *tmp; 3829 int len = os_strlen(pos) / 2; 3830 u8 *p; 3831 3832 if (!len) { 3833 wpa_printf(MSG_ERROR, "Line %d: " 3834 "invalid wps_vendor_ext_m1", line); 3835 return -1; 3836 } 3837 3838 tmp = wpabuf_alloc(len); 3839 if (tmp) { 3840 p = wpabuf_put(tmp, len); 3841 3842 if (hexstr2bin(pos, p, len)) { 3843 wpa_printf(MSG_ERROR, "Line %d: " 3844 "invalid wps_vendor_ext_m1", line); 3845 wpabuf_free(tmp); 3846 return -1; 3847 } 3848 3849 wpabuf_free(config->wps_vendor_ext_m1); 3850 config->wps_vendor_ext_m1 = tmp; 3851 } else { 3852 wpa_printf(MSG_ERROR, "Can not allocate " 3853 "memory for wps_vendor_ext_m1"); 3854 return -1; 3855 } 3856 3857 return 0; 3858 } 3859 3860 #endif /* CONFIG_WPS */ 3861 3862 #ifdef CONFIG_P2P 3863 static int wpa_config_process_sec_device_type( 3864 const struct global_parse_data *data, 3865 struct wpa_config *config, int line, const char *pos) 3866 { 3867 int idx; 3868 3869 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) { 3870 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type " 3871 "items", line); 3872 return -1; 3873 } 3874 3875 idx = config->num_sec_device_types; 3876 3877 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx])) 3878 return -1; 3879 3880 config->num_sec_device_types++; 3881 return 0; 3882 } 3883 3884 3885 static int wpa_config_process_p2p_pref_chan( 3886 const struct global_parse_data *data, 3887 struct wpa_config *config, int line, const char *pos) 3888 { 3889 struct p2p_channel *pref = NULL, *n; 3890 unsigned int num = 0; 3891 const char *pos2; 3892 u8 op_class, chan; 3893 3894 /* format: class:chan,class:chan,... */ 3895 3896 while (*pos) { 3897 op_class = atoi(pos); 3898 pos2 = os_strchr(pos, ':'); 3899 if (pos2 == NULL) 3900 goto fail; 3901 pos2++; 3902 chan = atoi(pos2); 3903 3904 n = os_realloc_array(pref, num + 1, 3905 sizeof(struct p2p_channel)); 3906 if (n == NULL) 3907 goto fail; 3908 pref = n; 3909 pref[num].op_class = op_class; 3910 pref[num].chan = chan; 3911 num++; 3912 3913 pos = os_strchr(pos2, ','); 3914 if (pos == NULL) 3915 break; 3916 pos++; 3917 } 3918 3919 os_free(config->p2p_pref_chan); 3920 config->p2p_pref_chan = pref; 3921 config->num_p2p_pref_chan = num; 3922 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs", 3923 (u8 *) config->p2p_pref_chan, 3924 config->num_p2p_pref_chan * sizeof(struct p2p_channel)); 3925 3926 return 0; 3927 3928 fail: 3929 os_free(pref); 3930 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line); 3931 return -1; 3932 } 3933 3934 3935 static int wpa_config_process_p2p_no_go_freq( 3936 const struct global_parse_data *data, 3937 struct wpa_config *config, int line, const char *pos) 3938 { 3939 int ret; 3940 3941 ret = freq_range_list_parse(&config->p2p_no_go_freq, pos); 3942 if (ret < 0) { 3943 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_no_go_freq", line); 3944 return -1; 3945 } 3946 3947 wpa_printf(MSG_DEBUG, "P2P: p2p_no_go_freq with %u items", 3948 config->p2p_no_go_freq.num); 3949 3950 return 0; 3951 } 3952 3953 #endif /* CONFIG_P2P */ 3954 3955 3956 static int wpa_config_process_hessid( 3957 const struct global_parse_data *data, 3958 struct wpa_config *config, int line, const char *pos) 3959 { 3960 if (hwaddr_aton2(pos, config->hessid) < 0) { 3961 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'", 3962 line, pos); 3963 return -1; 3964 } 3965 3966 return 0; 3967 } 3968 3969 3970 static int wpa_config_process_sae_groups( 3971 const struct global_parse_data *data, 3972 struct wpa_config *config, int line, const char *pos) 3973 { 3974 int *groups = wpa_config_parse_int_array(pos); 3975 if (groups == NULL) { 3976 wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'", 3977 line, pos); 3978 return -1; 3979 } 3980 3981 os_free(config->sae_groups); 3982 config->sae_groups = groups; 3983 3984 return 0; 3985 } 3986 3987 3988 static int wpa_config_process_ap_vendor_elements( 3989 const struct global_parse_data *data, 3990 struct wpa_config *config, int line, const char *pos) 3991 { 3992 struct wpabuf *tmp; 3993 int len = os_strlen(pos) / 2; 3994 u8 *p; 3995 3996 if (!len) { 3997 wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements", 3998 line); 3999 return -1; 4000 } 4001 4002 tmp = wpabuf_alloc(len); 4003 if (tmp) { 4004 p = wpabuf_put(tmp, len); 4005 4006 if (hexstr2bin(pos, p, len)) { 4007 wpa_printf(MSG_ERROR, "Line %d: invalid " 4008 "ap_vendor_elements", line); 4009 wpabuf_free(tmp); 4010 return -1; 4011 } 4012 4013 wpabuf_free(config->ap_vendor_elements); 4014 config->ap_vendor_elements = tmp; 4015 } else { 4016 wpa_printf(MSG_ERROR, "Cannot allocate memory for " 4017 "ap_vendor_elements"); 4018 return -1; 4019 } 4020 4021 return 0; 4022 } 4023 4024 4025 #ifdef CONFIG_CTRL_IFACE 4026 static int wpa_config_process_no_ctrl_interface( 4027 const struct global_parse_data *data, 4028 struct wpa_config *config, int line, const char *pos) 4029 { 4030 wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL"); 4031 os_free(config->ctrl_interface); 4032 config->ctrl_interface = NULL; 4033 return 0; 4034 } 4035 #endif /* CONFIG_CTRL_IFACE */ 4036 4037 4038 static int wpa_config_get_int(const char *name, struct wpa_config *config, 4039 long offset, char *buf, size_t buflen, 4040 int pretty_print) 4041 { 4042 int *val = (int *) (((u8 *) config) + (long) offset); 4043 4044 if (pretty_print) 4045 return os_snprintf(buf, buflen, "%s=%d\n", name, *val); 4046 return os_snprintf(buf, buflen, "%d", *val); 4047 } 4048 4049 4050 static int wpa_config_get_str(const char *name, struct wpa_config *config, 4051 long offset, char *buf, size_t buflen, 4052 int pretty_print) 4053 { 4054 char **val = (char **) (((u8 *) config) + (long) offset); 4055 int res; 4056 4057 if (pretty_print) 4058 res = os_snprintf(buf, buflen, "%s=%s\n", name, 4059 *val ? *val : "null"); 4060 else if (!*val) 4061 return -1; 4062 else 4063 res = os_snprintf(buf, buflen, "%s", *val); 4064 if (os_snprintf_error(buflen, res)) 4065 res = -1; 4066 4067 return res; 4068 } 4069 4070 4071 #ifdef CONFIG_P2P 4072 static int wpa_config_get_ipv4(const char *name, struct wpa_config *config, 4073 long offset, char *buf, size_t buflen, 4074 int pretty_print) 4075 { 4076 void *val = ((u8 *) config) + (long) offset; 4077 int res; 4078 char addr[INET_ADDRSTRLEN]; 4079 4080 if (!val || !inet_ntop(AF_INET, val, addr, sizeof(addr))) 4081 return -1; 4082 4083 if (pretty_print) 4084 res = os_snprintf(buf, buflen, "%s=%s\n", name, addr); 4085 else 4086 res = os_snprintf(buf, buflen, "%s", addr); 4087 4088 if (os_snprintf_error(buflen, res)) 4089 res = -1; 4090 4091 return res; 4092 } 4093 #endif /* CONFIG_P2P */ 4094 4095 4096 #ifdef OFFSET 4097 #undef OFFSET 4098 #endif /* OFFSET */ 4099 /* OFFSET: Get offset of a variable within the wpa_config structure */ 4100 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v) 4101 4102 #define FUNC(f) #f, wpa_config_process_ ## f, NULL, OFFSET(f), NULL, NULL 4103 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL, NULL 4104 #define _INT(f) #f, wpa_global_config_parse_int, wpa_config_get_int, OFFSET(f) 4105 #define INT(f) _INT(f), NULL, NULL 4106 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max 4107 #define _STR(f) #f, wpa_global_config_parse_str, wpa_config_get_str, OFFSET(f) 4108 #define STR(f) _STR(f), NULL, NULL 4109 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max 4110 #define BIN(f) #f, wpa_global_config_parse_bin, NULL, OFFSET(f), NULL, NULL 4111 #define IPV4(f) #f, wpa_global_config_parse_ipv4, wpa_config_get_ipv4, \ 4112 OFFSET(f), NULL, NULL 4113 4114 static const struct global_parse_data global_fields[] = { 4115 #ifdef CONFIG_CTRL_IFACE 4116 { STR(ctrl_interface), 0 }, 4117 { FUNC_NO_VAR(no_ctrl_interface), 0 }, 4118 { STR(ctrl_interface_group), 0 } /* deprecated */, 4119 #endif /* CONFIG_CTRL_IFACE */ 4120 #ifdef CONFIG_MACSEC 4121 { INT_RANGE(eapol_version, 1, 3), 0 }, 4122 #else /* CONFIG_MACSEC */ 4123 { INT_RANGE(eapol_version, 1, 2), 0 }, 4124 #endif /* CONFIG_MACSEC */ 4125 { INT(ap_scan), 0 }, 4126 { FUNC(bgscan), 0 }, 4127 #ifdef CONFIG_MESH 4128 { INT(user_mpm), 0 }, 4129 { INT_RANGE(max_peer_links, 0, 255), 0 }, 4130 { INT(mesh_max_inactivity), 0 }, 4131 #endif /* CONFIG_MESH */ 4132 { INT(disable_scan_offload), 0 }, 4133 { INT(fast_reauth), 0 }, 4134 { STR(opensc_engine_path), 0 }, 4135 { STR(pkcs11_engine_path), 0 }, 4136 { STR(pkcs11_module_path), 0 }, 4137 { STR(openssl_ciphers), 0 }, 4138 { STR(pcsc_reader), 0 }, 4139 { STR(pcsc_pin), 0 }, 4140 { INT(external_sim), 0 }, 4141 { STR(driver_param), 0 }, 4142 { INT(dot11RSNAConfigPMKLifetime), 0 }, 4143 { INT(dot11RSNAConfigPMKReauthThreshold), 0 }, 4144 { INT(dot11RSNAConfigSATimeout), 0 }, 4145 #ifndef CONFIG_NO_CONFIG_WRITE 4146 { INT(update_config), 0 }, 4147 #endif /* CONFIG_NO_CONFIG_WRITE */ 4148 { FUNC_NO_VAR(load_dynamic_eap), 0 }, 4149 #ifdef CONFIG_WPS 4150 { FUNC(uuid), CFG_CHANGED_UUID }, 4151 { STR_RANGE(device_name, 0, WPS_DEV_NAME_MAX_LEN), 4152 CFG_CHANGED_DEVICE_NAME }, 4153 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING }, 4154 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING }, 4155 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING }, 4156 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING }, 4157 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE }, 4158 { FUNC(os_version), CFG_CHANGED_OS_VERSION }, 4159 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS }, 4160 { INT_RANGE(wps_cred_processing, 0, 2), 0 }, 4161 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION }, 4162 #endif /* CONFIG_WPS */ 4163 #ifdef CONFIG_P2P 4164 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE }, 4165 { INT(p2p_listen_reg_class), 0 }, 4166 { INT(p2p_listen_channel), 0 }, 4167 { INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL }, 4168 { INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL }, 4169 { INT_RANGE(p2p_go_intent, 0, 15), 0 }, 4170 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX }, 4171 { INT_RANGE(persistent_reconnect, 0, 1), 0 }, 4172 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS }, 4173 { INT(p2p_group_idle), 0 }, 4174 { INT_RANGE(p2p_passphrase_len, 8, 63), 4175 CFG_CHANGED_P2P_PASSPHRASE_LEN }, 4176 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN }, 4177 { FUNC(p2p_no_go_freq), CFG_CHANGED_P2P_PREF_CHAN }, 4178 { INT_RANGE(p2p_add_cli_chan, 0, 1), 0 }, 4179 { INT_RANGE(p2p_optimize_listen_chan, 0, 1), 0 }, 4180 { INT(p2p_go_ht40), 0 }, 4181 { INT(p2p_go_vht), 0 }, 4182 { INT(p2p_disabled), 0 }, 4183 { INT_RANGE(p2p_go_ctwindow, 0, 127), 0 }, 4184 { INT(p2p_no_group_iface), 0 }, 4185 { INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 }, 4186 { IPV4(ip_addr_go), 0 }, 4187 { IPV4(ip_addr_mask), 0 }, 4188 { IPV4(ip_addr_start), 0 }, 4189 { IPV4(ip_addr_end), 0 }, 4190 { INT_RANGE(p2p_cli_probe, 0, 1), 0 }, 4191 #endif /* CONFIG_P2P */ 4192 { FUNC(country), CFG_CHANGED_COUNTRY }, 4193 { INT(bss_max_count), 0 }, 4194 { INT(bss_expiration_age), 0 }, 4195 { INT(bss_expiration_scan_count), 0 }, 4196 { INT_RANGE(filter_ssids, 0, 1), 0 }, 4197 { INT_RANGE(filter_rssi, -100, 0), 0 }, 4198 { INT(max_num_sta), 0 }, 4199 { INT_RANGE(disassoc_low_ack, 0, 1), 0 }, 4200 #ifdef CONFIG_HS20 4201 { INT_RANGE(hs20, 0, 1), 0 }, 4202 #endif /* CONFIG_HS20 */ 4203 { INT_RANGE(interworking, 0, 1), 0 }, 4204 { FUNC(hessid), 0 }, 4205 { INT_RANGE(access_network_type, 0, 15), 0 }, 4206 { INT_RANGE(pbc_in_m1, 0, 1), 0 }, 4207 { STR(autoscan), 0 }, 4208 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 4209 CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4210 { BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4211 { BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4212 { BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4213 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND }, 4214 { INT(p2p_go_max_inactivity), 0 }, 4215 { INT_RANGE(auto_interworking, 0, 1), 0 }, 4216 { INT(okc), 0 }, 4217 { INT(pmf), 0 }, 4218 { FUNC(sae_groups), 0 }, 4219 { INT(dtim_period), 0 }, 4220 { INT(beacon_int), 0 }, 4221 { FUNC(ap_vendor_elements), 0 }, 4222 { INT_RANGE(ignore_old_scan_res, 0, 1), 0 }, 4223 { FUNC(freq_list), 0 }, 4224 { INT(scan_cur_freq), 0 }, 4225 { INT(sched_scan_interval), 0 }, 4226 { INT(tdls_external_control), 0}, 4227 { STR(osu_dir), 0 }, 4228 { STR(wowlan_triggers), 0 }, 4229 { INT(p2p_search_delay), 0}, 4230 { INT(mac_addr), 0 }, 4231 { INT(rand_addr_lifetime), 0 }, 4232 { INT(preassoc_mac_addr), 0 }, 4233 { INT(key_mgmt_offload), 0}, 4234 { INT(passive_scan), 0 }, 4235 { INT(reassoc_same_bss_optim), 0 }, 4236 { INT(wps_priority), 0}, 4237 }; 4238 4239 #undef FUNC 4240 #undef _INT 4241 #undef INT 4242 #undef INT_RANGE 4243 #undef _STR 4244 #undef STR 4245 #undef STR_RANGE 4246 #undef BIN 4247 #undef IPV4 4248 #define NUM_GLOBAL_FIELDS ARRAY_SIZE(global_fields) 4249 4250 4251 int wpa_config_dump_values(struct wpa_config *config, char *buf, size_t buflen) 4252 { 4253 int result = 0; 4254 size_t i; 4255 4256 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) { 4257 const struct global_parse_data *field = &global_fields[i]; 4258 int tmp; 4259 4260 if (!field->get) 4261 continue; 4262 4263 tmp = field->get(field->name, config, (long) field->param1, 4264 buf, buflen, 1); 4265 if (tmp < 0) 4266 return -1; 4267 buf += tmp; 4268 buflen -= tmp; 4269 result += tmp; 4270 } 4271 return result; 4272 } 4273 4274 4275 int wpa_config_get_value(const char *name, struct wpa_config *config, 4276 char *buf, size_t buflen) 4277 { 4278 size_t i; 4279 4280 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) { 4281 const struct global_parse_data *field = &global_fields[i]; 4282 4283 if (os_strcmp(name, field->name) != 0) 4284 continue; 4285 if (!field->get) 4286 break; 4287 return field->get(name, config, (long) field->param1, 4288 buf, buflen, 0); 4289 } 4290 4291 return -1; 4292 } 4293 4294 4295 int wpa_config_process_global(struct wpa_config *config, char *pos, int line) 4296 { 4297 size_t i; 4298 int ret = 0; 4299 4300 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) { 4301 const struct global_parse_data *field = &global_fields[i]; 4302 size_t flen = os_strlen(field->name); 4303 if (os_strncmp(pos, field->name, flen) != 0 || 4304 pos[flen] != '=') 4305 continue; 4306 4307 if (field->parser(field, config, line, pos + flen + 1)) { 4308 wpa_printf(MSG_ERROR, "Line %d: failed to " 4309 "parse '%s'.", line, pos); 4310 ret = -1; 4311 } 4312 if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN) 4313 config->wps_nfc_pw_from_config = 1; 4314 config->changed_parameters |= field->changed_flag; 4315 break; 4316 } 4317 if (i == NUM_GLOBAL_FIELDS) { 4318 #ifdef CONFIG_AP 4319 if (os_strncmp(pos, "wmm_ac_", 7) == 0) { 4320 char *tmp = os_strchr(pos, '='); 4321 if (tmp == NULL) { 4322 if (line < 0) 4323 return -1; 4324 wpa_printf(MSG_ERROR, "Line %d: invalid line " 4325 "'%s'", line, pos); 4326 return -1; 4327 } 4328 *tmp++ = '\0'; 4329 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos, 4330 tmp)) { 4331 wpa_printf(MSG_ERROR, "Line %d: invalid WMM " 4332 "AC item", line); 4333 return -1; 4334 } 4335 } 4336 #endif /* CONFIG_AP */ 4337 if (line < 0) 4338 return -1; 4339 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.", 4340 line, pos); 4341 ret = -1; 4342 } 4343 4344 return ret; 4345 } 4346
