1 /* 2 * WPA Supplicant / Configuration parser and common functions 3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "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 (res < 0 || res >= 20) { 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_bssid(const struct parse_data *data, 239 struct wpa_ssid *ssid, int line, 240 const char *value) 241 { 242 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 || 243 os_strcmp(value, "any") == 0) { 244 ssid->bssid_set = 0; 245 wpa_printf(MSG_MSGDUMP, "BSSID any"); 246 return 0; 247 } 248 if (hwaddr_aton(value, ssid->bssid)) { 249 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.", 250 line, value); 251 return -1; 252 } 253 ssid->bssid_set = 1; 254 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN); 255 return 0; 256 } 257 258 259 #ifndef NO_CONFIG_WRITE 260 static char * wpa_config_write_bssid(const struct parse_data *data, 261 struct wpa_ssid *ssid) 262 { 263 char *value; 264 int res; 265 266 if (!ssid->bssid_set) 267 return NULL; 268 269 value = os_malloc(20); 270 if (value == NULL) 271 return NULL; 272 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid)); 273 if (res < 0 || res >= 20) { 274 os_free(value); 275 return NULL; 276 } 277 value[20 - 1] = '\0'; 278 return value; 279 } 280 #endif /* NO_CONFIG_WRITE */ 281 282 283 static int wpa_config_parse_psk(const struct parse_data *data, 284 struct wpa_ssid *ssid, int line, 285 const char *value) 286 { 287 #ifdef CONFIG_EXT_PASSWORD 288 if (os_strncmp(value, "ext:", 4) == 0) { 289 os_free(ssid->passphrase); 290 ssid->passphrase = NULL; 291 ssid->psk_set = 0; 292 os_free(ssid->ext_psk); 293 ssid->ext_psk = os_strdup(value + 4); 294 if (ssid->ext_psk == NULL) 295 return -1; 296 wpa_printf(MSG_DEBUG, "PSK: External password '%s'", 297 ssid->ext_psk); 298 return 0; 299 } 300 #endif /* CONFIG_EXT_PASSWORD */ 301 302 if (*value == '"') { 303 #ifndef CONFIG_NO_PBKDF2 304 const char *pos; 305 size_t len; 306 307 value++; 308 pos = os_strrchr(value, '"'); 309 if (pos) 310 len = pos - value; 311 else 312 len = os_strlen(value); 313 if (len < 8 || len > 63) { 314 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase " 315 "length %lu (expected: 8..63) '%s'.", 316 line, (unsigned long) len, value); 317 return -1; 318 } 319 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)", 320 (u8 *) value, len); 321 if (ssid->passphrase && os_strlen(ssid->passphrase) == len && 322 os_memcmp(ssid->passphrase, value, len) == 0) 323 return 0; 324 ssid->psk_set = 0; 325 os_free(ssid->passphrase); 326 ssid->passphrase = dup_binstr(value, len); 327 if (ssid->passphrase == NULL) 328 return -1; 329 return 0; 330 #else /* CONFIG_NO_PBKDF2 */ 331 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not " 332 "supported.", line); 333 return -1; 334 #endif /* CONFIG_NO_PBKDF2 */ 335 } 336 337 if (hexstr2bin(value, ssid->psk, PMK_LEN) || 338 value[PMK_LEN * 2] != '\0') { 339 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.", 340 line, value); 341 return -1; 342 } 343 344 os_free(ssid->passphrase); 345 ssid->passphrase = NULL; 346 347 ssid->psk_set = 1; 348 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN); 349 return 0; 350 } 351 352 353 #ifndef NO_CONFIG_WRITE 354 static char * wpa_config_write_psk(const struct parse_data *data, 355 struct wpa_ssid *ssid) 356 { 357 #ifdef CONFIG_EXT_PASSWORD 358 if (ssid->ext_psk) { 359 size_t len = 4 + os_strlen(ssid->ext_psk) + 1; 360 char *buf = os_malloc(len); 361 if (buf == NULL) 362 return NULL; 363 os_snprintf(buf, len, "ext:%s", ssid->ext_psk); 364 return buf; 365 } 366 #endif /* CONFIG_EXT_PASSWORD */ 367 368 if (ssid->passphrase) 369 return wpa_config_write_string_ascii( 370 (const u8 *) ssid->passphrase, 371 os_strlen(ssid->passphrase)); 372 373 if (ssid->psk_set) 374 return wpa_config_write_string_hex(ssid->psk, PMK_LEN); 375 376 return NULL; 377 } 378 #endif /* NO_CONFIG_WRITE */ 379 380 381 static int wpa_config_parse_proto(const struct parse_data *data, 382 struct wpa_ssid *ssid, int line, 383 const char *value) 384 { 385 int val = 0, last, errors = 0; 386 char *start, *end, *buf; 387 388 buf = os_strdup(value); 389 if (buf == NULL) 390 return -1; 391 start = buf; 392 393 while (*start != '\0') { 394 while (*start == ' ' || *start == '\t') 395 start++; 396 if (*start == '\0') 397 break; 398 end = start; 399 while (*end != ' ' && *end != '\t' && *end != '\0') 400 end++; 401 last = *end == '\0'; 402 *end = '\0'; 403 if (os_strcmp(start, "WPA") == 0) 404 val |= WPA_PROTO_WPA; 405 else if (os_strcmp(start, "RSN") == 0 || 406 os_strcmp(start, "WPA2") == 0) 407 val |= WPA_PROTO_RSN; 408 else { 409 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'", 410 line, start); 411 errors++; 412 } 413 414 if (last) 415 break; 416 start = end + 1; 417 } 418 os_free(buf); 419 420 if (val == 0) { 421 wpa_printf(MSG_ERROR, 422 "Line %d: no proto values configured.", line); 423 errors++; 424 } 425 426 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val); 427 ssid->proto = val; 428 return errors ? -1 : 0; 429 } 430 431 432 #ifndef NO_CONFIG_WRITE 433 static char * wpa_config_write_proto(const struct parse_data *data, 434 struct wpa_ssid *ssid) 435 { 436 int first = 1, ret; 437 char *buf, *pos, *end; 438 439 pos = buf = os_zalloc(10); 440 if (buf == NULL) 441 return NULL; 442 end = buf + 10; 443 444 if (ssid->proto & WPA_PROTO_WPA) { 445 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " "); 446 if (ret < 0 || ret >= end - pos) 447 return buf; 448 pos += ret; 449 first = 0; 450 } 451 452 if (ssid->proto & WPA_PROTO_RSN) { 453 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " "); 454 if (ret < 0 || ret >= end - pos) 455 return buf; 456 pos += ret; 457 first = 0; 458 } 459 460 return buf; 461 } 462 #endif /* NO_CONFIG_WRITE */ 463 464 465 static int wpa_config_parse_key_mgmt(const struct parse_data *data, 466 struct wpa_ssid *ssid, int line, 467 const char *value) 468 { 469 int val = 0, last, errors = 0; 470 char *start, *end, *buf; 471 472 buf = os_strdup(value); 473 if (buf == NULL) 474 return -1; 475 start = buf; 476 477 while (*start != '\0') { 478 while (*start == ' ' || *start == '\t') 479 start++; 480 if (*start == '\0') 481 break; 482 end = start; 483 while (*end != ' ' && *end != '\t' && *end != '\0') 484 end++; 485 last = *end == '\0'; 486 *end = '\0'; 487 if (os_strcmp(start, "WPA-PSK") == 0) 488 val |= WPA_KEY_MGMT_PSK; 489 else if (os_strcmp(start, "WPA-EAP") == 0) 490 val |= WPA_KEY_MGMT_IEEE8021X; 491 else if (os_strcmp(start, "IEEE8021X") == 0) 492 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA; 493 else if (os_strcmp(start, "NONE") == 0) 494 val |= WPA_KEY_MGMT_NONE; 495 else if (os_strcmp(start, "WPA-NONE") == 0) 496 val |= WPA_KEY_MGMT_WPA_NONE; 497 #ifdef CONFIG_IEEE80211R 498 else if (os_strcmp(start, "FT-PSK") == 0) 499 val |= WPA_KEY_MGMT_FT_PSK; 500 else if (os_strcmp(start, "FT-EAP") == 0) 501 val |= WPA_KEY_MGMT_FT_IEEE8021X; 502 #endif /* CONFIG_IEEE80211R */ 503 #ifdef CONFIG_IEEE80211W 504 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0) 505 val |= WPA_KEY_MGMT_PSK_SHA256; 506 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0) 507 val |= WPA_KEY_MGMT_IEEE8021X_SHA256; 508 #endif /* CONFIG_IEEE80211W */ 509 #ifdef CONFIG_WPS 510 else if (os_strcmp(start, "WPS") == 0) 511 val |= WPA_KEY_MGMT_WPS; 512 #endif /* CONFIG_WPS */ 513 #ifdef CONFIG_SAE 514 else if (os_strcmp(start, "SAE") == 0) 515 val |= WPA_KEY_MGMT_SAE; 516 else if (os_strcmp(start, "FT-SAE") == 0) 517 val |= WPA_KEY_MGMT_FT_SAE; 518 #endif /* CONFIG_SAE */ 519 else { 520 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'", 521 line, start); 522 errors++; 523 } 524 525 if (last) 526 break; 527 start = end + 1; 528 } 529 os_free(buf); 530 531 if (val == 0) { 532 wpa_printf(MSG_ERROR, 533 "Line %d: no key_mgmt values configured.", line); 534 errors++; 535 } 536 537 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val); 538 ssid->key_mgmt = val; 539 return errors ? -1 : 0; 540 } 541 542 543 #ifndef NO_CONFIG_WRITE 544 static char * wpa_config_write_key_mgmt(const struct parse_data *data, 545 struct wpa_ssid *ssid) 546 { 547 char *buf, *pos, *end; 548 int ret; 549 550 pos = buf = os_zalloc(100); 551 if (buf == NULL) 552 return NULL; 553 end = buf + 100; 554 555 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { 556 ret = os_snprintf(pos, end - pos, "%sWPA-PSK", 557 pos == buf ? "" : " "); 558 if (ret < 0 || ret >= end - pos) { 559 end[-1] = '\0'; 560 return buf; 561 } 562 pos += ret; 563 } 564 565 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) { 566 ret = os_snprintf(pos, end - pos, "%sWPA-EAP", 567 pos == buf ? "" : " "); 568 if (ret < 0 || ret >= end - pos) { 569 end[-1] = '\0'; 570 return buf; 571 } 572 pos += ret; 573 } 574 575 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) { 576 ret = os_snprintf(pos, end - pos, "%sIEEE8021X", 577 pos == buf ? "" : " "); 578 if (ret < 0 || ret >= end - pos) { 579 end[-1] = '\0'; 580 return buf; 581 } 582 pos += ret; 583 } 584 585 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) { 586 ret = os_snprintf(pos, end - pos, "%sNONE", 587 pos == buf ? "" : " "); 588 if (ret < 0 || ret >= end - pos) { 589 end[-1] = '\0'; 590 return buf; 591 } 592 pos += ret; 593 } 594 595 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) { 596 ret = os_snprintf(pos, end - pos, "%sWPA-NONE", 597 pos == buf ? "" : " "); 598 if (ret < 0 || ret >= end - pos) { 599 end[-1] = '\0'; 600 return buf; 601 } 602 pos += ret; 603 } 604 605 #ifdef CONFIG_IEEE80211R 606 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK) { 607 ret = os_snprintf(pos, end - pos, "%sFT-PSK", 608 pos == buf ? "" : " "); 609 if (ret < 0 || ret >= end - pos) { 610 end[-1] = '\0'; 611 return buf; 612 } 613 pos += ret; 614 } 615 616 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) { 617 ret = os_snprintf(pos, end - pos, "%sFT-EAP", 618 pos == buf ? "" : " "); 619 if (ret < 0 || ret >= end - pos) { 620 end[-1] = '\0'; 621 return buf; 622 } 623 pos += ret; 624 } 625 #endif /* CONFIG_IEEE80211R */ 626 627 #ifdef CONFIG_IEEE80211W 628 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256) { 629 ret = os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256", 630 pos == buf ? "" : " "); 631 if (ret < 0 || ret >= end - pos) { 632 end[-1] = '\0'; 633 return buf; 634 } 635 pos += ret; 636 } 637 638 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) { 639 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256", 640 pos == buf ? "" : " "); 641 if (ret < 0 || ret >= end - pos) { 642 end[-1] = '\0'; 643 return buf; 644 } 645 pos += ret; 646 } 647 #endif /* CONFIG_IEEE80211W */ 648 649 #ifdef CONFIG_WPS 650 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 651 ret = os_snprintf(pos, end - pos, "%sWPS", 652 pos == buf ? "" : " "); 653 if (ret < 0 || ret >= end - pos) { 654 end[-1] = '\0'; 655 return buf; 656 } 657 pos += ret; 658 } 659 #endif /* CONFIG_WPS */ 660 661 return buf; 662 } 663 #endif /* NO_CONFIG_WRITE */ 664 665 666 static int wpa_config_parse_cipher(int line, const char *value) 667 { 668 int val = wpa_parse_cipher(value); 669 if (val < 0) { 670 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.", 671 line, value); 672 return -1; 673 } 674 if (val == 0) { 675 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.", 676 line); 677 return -1; 678 } 679 return val; 680 } 681 682 683 #ifndef NO_CONFIG_WRITE 684 static char * wpa_config_write_cipher(int cipher) 685 { 686 char *buf = os_zalloc(50); 687 if (buf == NULL) 688 return NULL; 689 690 if (wpa_write_ciphers(buf, buf + 50, cipher, " ") < 0) { 691 os_free(buf); 692 return NULL; 693 } 694 695 return buf; 696 } 697 #endif /* NO_CONFIG_WRITE */ 698 699 700 static int wpa_config_parse_pairwise(const struct parse_data *data, 701 struct wpa_ssid *ssid, int line, 702 const char *value) 703 { 704 int val; 705 val = wpa_config_parse_cipher(line, value); 706 if (val == -1) 707 return -1; 708 if (val & ~WPA_ALLOWED_PAIRWISE_CIPHERS) { 709 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher " 710 "(0x%x).", line, val); 711 return -1; 712 } 713 714 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val); 715 ssid->pairwise_cipher = val; 716 return 0; 717 } 718 719 720 #ifndef NO_CONFIG_WRITE 721 static char * wpa_config_write_pairwise(const struct parse_data *data, 722 struct wpa_ssid *ssid) 723 { 724 return wpa_config_write_cipher(ssid->pairwise_cipher); 725 } 726 #endif /* NO_CONFIG_WRITE */ 727 728 729 static int wpa_config_parse_group(const struct parse_data *data, 730 struct wpa_ssid *ssid, int line, 731 const char *value) 732 { 733 int val; 734 val = wpa_config_parse_cipher(line, value); 735 if (val == -1) 736 return -1; 737 if (val & ~WPA_ALLOWED_GROUP_CIPHERS) { 738 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher " 739 "(0x%x).", line, val); 740 return -1; 741 } 742 743 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val); 744 ssid->group_cipher = val; 745 return 0; 746 } 747 748 749 #ifndef NO_CONFIG_WRITE 750 static char * wpa_config_write_group(const struct parse_data *data, 751 struct wpa_ssid *ssid) 752 { 753 return wpa_config_write_cipher(ssid->group_cipher); 754 } 755 #endif /* NO_CONFIG_WRITE */ 756 757 758 static int wpa_config_parse_auth_alg(const struct parse_data *data, 759 struct wpa_ssid *ssid, int line, 760 const char *value) 761 { 762 int val = 0, last, errors = 0; 763 char *start, *end, *buf; 764 765 buf = os_strdup(value); 766 if (buf == NULL) 767 return -1; 768 start = buf; 769 770 while (*start != '\0') { 771 while (*start == ' ' || *start == '\t') 772 start++; 773 if (*start == '\0') 774 break; 775 end = start; 776 while (*end != ' ' && *end != '\t' && *end != '\0') 777 end++; 778 last = *end == '\0'; 779 *end = '\0'; 780 if (os_strcmp(start, "OPEN") == 0) 781 val |= WPA_AUTH_ALG_OPEN; 782 else if (os_strcmp(start, "SHARED") == 0) 783 val |= WPA_AUTH_ALG_SHARED; 784 else if (os_strcmp(start, "LEAP") == 0) 785 val |= WPA_AUTH_ALG_LEAP; 786 else { 787 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'", 788 line, start); 789 errors++; 790 } 791 792 if (last) 793 break; 794 start = end + 1; 795 } 796 os_free(buf); 797 798 if (val == 0) { 799 wpa_printf(MSG_ERROR, 800 "Line %d: no auth_alg values configured.", line); 801 errors++; 802 } 803 804 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val); 805 ssid->auth_alg = val; 806 return errors ? -1 : 0; 807 } 808 809 810 #ifndef NO_CONFIG_WRITE 811 static char * wpa_config_write_auth_alg(const struct parse_data *data, 812 struct wpa_ssid *ssid) 813 { 814 char *buf, *pos, *end; 815 int ret; 816 817 pos = buf = os_zalloc(30); 818 if (buf == NULL) 819 return NULL; 820 end = buf + 30; 821 822 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) { 823 ret = os_snprintf(pos, end - pos, "%sOPEN", 824 pos == buf ? "" : " "); 825 if (ret < 0 || ret >= end - pos) { 826 end[-1] = '\0'; 827 return buf; 828 } 829 pos += ret; 830 } 831 832 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) { 833 ret = os_snprintf(pos, end - pos, "%sSHARED", 834 pos == buf ? "" : " "); 835 if (ret < 0 || ret >= end - pos) { 836 end[-1] = '\0'; 837 return buf; 838 } 839 pos += ret; 840 } 841 842 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) { 843 ret = os_snprintf(pos, end - pos, "%sLEAP", 844 pos == buf ? "" : " "); 845 if (ret < 0 || ret >= end - pos) { 846 end[-1] = '\0'; 847 return buf; 848 } 849 pos += ret; 850 } 851 852 return buf; 853 } 854 #endif /* NO_CONFIG_WRITE */ 855 856 857 static int * wpa_config_parse_int_array(const char *value) 858 { 859 int *freqs; 860 size_t used, len; 861 const char *pos; 862 863 used = 0; 864 len = 10; 865 freqs = os_calloc(len + 1, sizeof(int)); 866 if (freqs == NULL) 867 return NULL; 868 869 pos = value; 870 while (pos) { 871 while (*pos == ' ') 872 pos++; 873 if (used == len) { 874 int *n; 875 size_t i; 876 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int)); 877 if (n == NULL) { 878 os_free(freqs); 879 return NULL; 880 } 881 for (i = len; i <= len * 2; i++) 882 n[i] = 0; 883 freqs = n; 884 len *= 2; 885 } 886 887 freqs[used] = atoi(pos); 888 if (freqs[used] == 0) 889 break; 890 used++; 891 pos = os_strchr(pos + 1, ' '); 892 } 893 894 return freqs; 895 } 896 897 898 static int wpa_config_parse_scan_freq(const struct parse_data *data, 899 struct wpa_ssid *ssid, int line, 900 const char *value) 901 { 902 int *freqs; 903 904 freqs = wpa_config_parse_int_array(value); 905 if (freqs == NULL) 906 return -1; 907 if (freqs[0] == 0) { 908 os_free(freqs); 909 freqs = NULL; 910 } 911 os_free(ssid->scan_freq); 912 ssid->scan_freq = freqs; 913 914 return 0; 915 } 916 917 918 static int wpa_config_parse_freq_list(const struct parse_data *data, 919 struct wpa_ssid *ssid, int line, 920 const char *value) 921 { 922 int *freqs; 923 924 freqs = wpa_config_parse_int_array(value); 925 if (freqs == NULL) 926 return -1; 927 if (freqs[0] == 0) { 928 os_free(freqs); 929 freqs = NULL; 930 } 931 os_free(ssid->freq_list); 932 ssid->freq_list = freqs; 933 934 return 0; 935 } 936 937 938 #ifndef NO_CONFIG_WRITE 939 static char * wpa_config_write_freqs(const struct parse_data *data, 940 const int *freqs) 941 { 942 char *buf, *pos, *end; 943 int i, ret; 944 size_t count; 945 946 if (freqs == NULL) 947 return NULL; 948 949 count = 0; 950 for (i = 0; freqs[i]; i++) 951 count++; 952 953 pos = buf = os_zalloc(10 * count + 1); 954 if (buf == NULL) 955 return NULL; 956 end = buf + 10 * count + 1; 957 958 for (i = 0; freqs[i]; i++) { 959 ret = os_snprintf(pos, end - pos, "%s%u", 960 i == 0 ? "" : " ", freqs[i]); 961 if (ret < 0 || ret >= end - pos) { 962 end[-1] = '\0'; 963 return buf; 964 } 965 pos += ret; 966 } 967 968 return buf; 969 } 970 971 972 static char * wpa_config_write_scan_freq(const struct parse_data *data, 973 struct wpa_ssid *ssid) 974 { 975 return wpa_config_write_freqs(data, ssid->scan_freq); 976 } 977 978 979 static char * wpa_config_write_freq_list(const struct parse_data *data, 980 struct wpa_ssid *ssid) 981 { 982 return wpa_config_write_freqs(data, ssid->freq_list); 983 } 984 #endif /* NO_CONFIG_WRITE */ 985 986 987 #ifdef IEEE8021X_EAPOL 988 static int wpa_config_parse_eap(const struct parse_data *data, 989 struct wpa_ssid *ssid, int line, 990 const char *value) 991 { 992 int last, errors = 0; 993 char *start, *end, *buf; 994 struct eap_method_type *methods = NULL, *tmp; 995 size_t num_methods = 0; 996 997 buf = os_strdup(value); 998 if (buf == NULL) 999 return -1; 1000 start = buf; 1001 1002 while (*start != '\0') { 1003 while (*start == ' ' || *start == '\t') 1004 start++; 1005 if (*start == '\0') 1006 break; 1007 end = start; 1008 while (*end != ' ' && *end != '\t' && *end != '\0') 1009 end++; 1010 last = *end == '\0'; 1011 *end = '\0'; 1012 tmp = methods; 1013 methods = os_realloc_array(methods, num_methods + 1, 1014 sizeof(*methods)); 1015 if (methods == NULL) { 1016 os_free(tmp); 1017 os_free(buf); 1018 return -1; 1019 } 1020 methods[num_methods].method = eap_peer_get_type( 1021 start, &methods[num_methods].vendor); 1022 if (methods[num_methods].vendor == EAP_VENDOR_IETF && 1023 methods[num_methods].method == EAP_TYPE_NONE) { 1024 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method " 1025 "'%s'", line, start); 1026 wpa_printf(MSG_ERROR, "You may need to add support for" 1027 " this EAP method during wpa_supplicant\n" 1028 "build time configuration.\n" 1029 "See README for more information."); 1030 errors++; 1031 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF && 1032 methods[num_methods].method == EAP_TYPE_LEAP) 1033 ssid->leap++; 1034 else 1035 ssid->non_leap++; 1036 num_methods++; 1037 if (last) 1038 break; 1039 start = end + 1; 1040 } 1041 os_free(buf); 1042 1043 tmp = methods; 1044 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods)); 1045 if (methods == NULL) { 1046 os_free(tmp); 1047 return -1; 1048 } 1049 methods[num_methods].vendor = EAP_VENDOR_IETF; 1050 methods[num_methods].method = EAP_TYPE_NONE; 1051 num_methods++; 1052 1053 wpa_hexdump(MSG_MSGDUMP, "eap methods", 1054 (u8 *) methods, num_methods * sizeof(*methods)); 1055 os_free(ssid->eap.eap_methods); 1056 ssid->eap.eap_methods = methods; 1057 return errors ? -1 : 0; 1058 } 1059 1060 1061 static char * wpa_config_write_eap(const struct parse_data *data, 1062 struct wpa_ssid *ssid) 1063 { 1064 int i, ret; 1065 char *buf, *pos, *end; 1066 const struct eap_method_type *eap_methods = ssid->eap.eap_methods; 1067 const char *name; 1068 1069 if (eap_methods == NULL) 1070 return NULL; 1071 1072 pos = buf = os_zalloc(100); 1073 if (buf == NULL) 1074 return NULL; 1075 end = buf + 100; 1076 1077 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF || 1078 eap_methods[i].method != EAP_TYPE_NONE; i++) { 1079 name = eap_get_name(eap_methods[i].vendor, 1080 eap_methods[i].method); 1081 if (name) { 1082 ret = os_snprintf(pos, end - pos, "%s%s", 1083 pos == buf ? "" : " ", name); 1084 if (ret < 0 || ret >= end - pos) 1085 break; 1086 pos += ret; 1087 } 1088 } 1089 1090 end[-1] = '\0'; 1091 1092 return buf; 1093 } 1094 1095 1096 static int wpa_config_parse_password(const struct parse_data *data, 1097 struct wpa_ssid *ssid, int line, 1098 const char *value) 1099 { 1100 u8 *hash; 1101 1102 if (os_strcmp(value, "NULL") == 0) { 1103 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'"); 1104 os_free(ssid->eap.password); 1105 ssid->eap.password = NULL; 1106 ssid->eap.password_len = 0; 1107 return 0; 1108 } 1109 1110 #ifdef CONFIG_EXT_PASSWORD 1111 if (os_strncmp(value, "ext:", 4) == 0) { 1112 char *name = os_strdup(value + 4); 1113 if (name == NULL) 1114 return -1; 1115 os_free(ssid->eap.password); 1116 ssid->eap.password = (u8 *) name; 1117 ssid->eap.password_len = os_strlen(name); 1118 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1119 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD; 1120 return 0; 1121 } 1122 #endif /* CONFIG_EXT_PASSWORD */ 1123 1124 if (os_strncmp(value, "hash:", 5) != 0) { 1125 char *tmp; 1126 size_t res_len; 1127 1128 tmp = wpa_config_parse_string(value, &res_len); 1129 if (tmp == NULL) { 1130 wpa_printf(MSG_ERROR, "Line %d: failed to parse " 1131 "password.", line); 1132 return -1; 1133 } 1134 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name, 1135 (u8 *) tmp, res_len); 1136 1137 os_free(ssid->eap.password); 1138 ssid->eap.password = (u8 *) tmp; 1139 ssid->eap.password_len = res_len; 1140 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1141 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD; 1142 1143 return 0; 1144 } 1145 1146 1147 /* NtPasswordHash: hash:<32 hex digits> */ 1148 if (os_strlen(value + 5) != 2 * 16) { 1149 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length " 1150 "(expected 32 hex digits)", line); 1151 return -1; 1152 } 1153 1154 hash = os_malloc(16); 1155 if (hash == NULL) 1156 return -1; 1157 1158 if (hexstr2bin(value + 5, hash, 16)) { 1159 os_free(hash); 1160 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line); 1161 return -1; 1162 } 1163 1164 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16); 1165 1166 os_free(ssid->eap.password); 1167 ssid->eap.password = hash; 1168 ssid->eap.password_len = 16; 1169 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1170 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD; 1171 1172 return 0; 1173 } 1174 1175 1176 static char * wpa_config_write_password(const struct parse_data *data, 1177 struct wpa_ssid *ssid) 1178 { 1179 char *buf; 1180 1181 if (ssid->eap.password == NULL) 1182 return NULL; 1183 1184 #ifdef CONFIG_EXT_PASSWORD 1185 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) { 1186 buf = os_zalloc(4 + ssid->eap.password_len + 1); 1187 if (buf == NULL) 1188 return NULL; 1189 os_memcpy(buf, "ext:", 4); 1190 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len); 1191 return buf; 1192 } 1193 #endif /* CONFIG_EXT_PASSWORD */ 1194 1195 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) { 1196 return wpa_config_write_string( 1197 ssid->eap.password, ssid->eap.password_len); 1198 } 1199 1200 buf = os_malloc(5 + 32 + 1); 1201 if (buf == NULL) 1202 return NULL; 1203 1204 os_memcpy(buf, "hash:", 5); 1205 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16); 1206 1207 return buf; 1208 } 1209 #endif /* IEEE8021X_EAPOL */ 1210 1211 1212 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line, 1213 const char *value, int idx) 1214 { 1215 char *buf, title[20]; 1216 int res; 1217 1218 buf = wpa_config_parse_string(value, len); 1219 if (buf == NULL) { 1220 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.", 1221 line, idx, value); 1222 return -1; 1223 } 1224 if (*len > MAX_WEP_KEY_LEN) { 1225 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.", 1226 line, idx, value); 1227 os_free(buf); 1228 return -1; 1229 } 1230 if (*len && *len != 5 && *len != 13 && *len != 16) { 1231 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - " 1232 "this network block will be ignored", 1233 line, (unsigned int) *len); 1234 } 1235 os_memcpy(key, buf, *len); 1236 os_free(buf); 1237 res = os_snprintf(title, sizeof(title), "wep_key%d", idx); 1238 if (res >= 0 && (size_t) res < sizeof(title)) 1239 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len); 1240 return 0; 1241 } 1242 1243 1244 static int wpa_config_parse_wep_key0(const struct parse_data *data, 1245 struct wpa_ssid *ssid, int line, 1246 const char *value) 1247 { 1248 return wpa_config_parse_wep_key(ssid->wep_key[0], 1249 &ssid->wep_key_len[0], line, 1250 value, 0); 1251 } 1252 1253 1254 static int wpa_config_parse_wep_key1(const struct parse_data *data, 1255 struct wpa_ssid *ssid, int line, 1256 const char *value) 1257 { 1258 return wpa_config_parse_wep_key(ssid->wep_key[1], 1259 &ssid->wep_key_len[1], line, 1260 value, 1); 1261 } 1262 1263 1264 static int wpa_config_parse_wep_key2(const struct parse_data *data, 1265 struct wpa_ssid *ssid, int line, 1266 const char *value) 1267 { 1268 return wpa_config_parse_wep_key(ssid->wep_key[2], 1269 &ssid->wep_key_len[2], line, 1270 value, 2); 1271 } 1272 1273 1274 static int wpa_config_parse_wep_key3(const struct parse_data *data, 1275 struct wpa_ssid *ssid, int line, 1276 const char *value) 1277 { 1278 return wpa_config_parse_wep_key(ssid->wep_key[3], 1279 &ssid->wep_key_len[3], line, 1280 value, 3); 1281 } 1282 1283 1284 #ifndef NO_CONFIG_WRITE 1285 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx) 1286 { 1287 if (ssid->wep_key_len[idx] == 0) 1288 return NULL; 1289 return wpa_config_write_string(ssid->wep_key[idx], 1290 ssid->wep_key_len[idx]); 1291 } 1292 1293 1294 static char * wpa_config_write_wep_key0(const struct parse_data *data, 1295 struct wpa_ssid *ssid) 1296 { 1297 return wpa_config_write_wep_key(ssid, 0); 1298 } 1299 1300 1301 static char * wpa_config_write_wep_key1(const struct parse_data *data, 1302 struct wpa_ssid *ssid) 1303 { 1304 return wpa_config_write_wep_key(ssid, 1); 1305 } 1306 1307 1308 static char * wpa_config_write_wep_key2(const struct parse_data *data, 1309 struct wpa_ssid *ssid) 1310 { 1311 return wpa_config_write_wep_key(ssid, 2); 1312 } 1313 1314 1315 static char * wpa_config_write_wep_key3(const struct parse_data *data, 1316 struct wpa_ssid *ssid) 1317 { 1318 return wpa_config_write_wep_key(ssid, 3); 1319 } 1320 #endif /* NO_CONFIG_WRITE */ 1321 1322 1323 #ifdef CONFIG_P2P 1324 1325 static int wpa_config_parse_go_p2p_dev_addr(const struct parse_data *data, 1326 struct wpa_ssid *ssid, int line, 1327 const char *value) 1328 { 1329 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 || 1330 os_strcmp(value, "any") == 0) { 1331 os_memset(ssid->go_p2p_dev_addr, 0, ETH_ALEN); 1332 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address any"); 1333 return 0; 1334 } 1335 if (hwaddr_aton(value, ssid->go_p2p_dev_addr)) { 1336 wpa_printf(MSG_ERROR, "Line %d: Invalid GO P2P Device Address '%s'.", 1337 line, value); 1338 return -1; 1339 } 1340 ssid->bssid_set = 1; 1341 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address " MACSTR, 1342 MAC2STR(ssid->go_p2p_dev_addr)); 1343 return 0; 1344 } 1345 1346 1347 #ifndef NO_CONFIG_WRITE 1348 static char * wpa_config_write_go_p2p_dev_addr(const struct parse_data *data, 1349 struct wpa_ssid *ssid) 1350 { 1351 char *value; 1352 int res; 1353 1354 if (is_zero_ether_addr(ssid->go_p2p_dev_addr)) 1355 return NULL; 1356 1357 value = os_malloc(20); 1358 if (value == NULL) 1359 return NULL; 1360 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->go_p2p_dev_addr)); 1361 if (res < 0 || res >= 20) { 1362 os_free(value); 1363 return NULL; 1364 } 1365 value[20 - 1] = '\0'; 1366 return value; 1367 } 1368 #endif /* NO_CONFIG_WRITE */ 1369 1370 1371 static int wpa_config_parse_p2p_client_list(const struct parse_data *data, 1372 struct wpa_ssid *ssid, int line, 1373 const char *value) 1374 { 1375 const char *pos; 1376 u8 *buf, *n, addr[ETH_ALEN]; 1377 size_t count; 1378 1379 buf = NULL; 1380 count = 0; 1381 1382 pos = value; 1383 while (pos && *pos) { 1384 while (*pos == ' ') 1385 pos++; 1386 1387 if (hwaddr_aton(pos, addr)) { 1388 if (count == 0) { 1389 wpa_printf(MSG_ERROR, "Line %d: Invalid " 1390 "p2p_client_list address '%s'.", 1391 line, value); 1392 os_free(buf); 1393 return -1; 1394 } 1395 /* continue anyway since this could have been from a 1396 * truncated configuration file line */ 1397 wpa_printf(MSG_INFO, "Line %d: Ignore likely " 1398 "truncated p2p_client_list address '%s'", 1399 line, pos); 1400 } else { 1401 n = os_realloc_array(buf, count + 1, ETH_ALEN); 1402 if (n == NULL) { 1403 os_free(buf); 1404 return -1; 1405 } 1406 buf = n; 1407 os_memmove(buf + ETH_ALEN, buf, count * ETH_ALEN); 1408 os_memcpy(buf, addr, ETH_ALEN); 1409 count++; 1410 wpa_hexdump(MSG_MSGDUMP, "p2p_client_list", 1411 addr, ETH_ALEN); 1412 } 1413 1414 pos = os_strchr(pos, ' '); 1415 } 1416 1417 os_free(ssid->p2p_client_list); 1418 ssid->p2p_client_list = buf; 1419 ssid->num_p2p_clients = count; 1420 1421 return 0; 1422 } 1423 1424 1425 #ifndef NO_CONFIG_WRITE 1426 static char * wpa_config_write_p2p_client_list(const struct parse_data *data, 1427 struct wpa_ssid *ssid) 1428 { 1429 char *value, *end, *pos; 1430 int res; 1431 size_t i; 1432 1433 if (ssid->p2p_client_list == NULL || ssid->num_p2p_clients == 0) 1434 return NULL; 1435 1436 value = os_malloc(20 * ssid->num_p2p_clients); 1437 if (value == NULL) 1438 return NULL; 1439 pos = value; 1440 end = value + 20 * ssid->num_p2p_clients; 1441 1442 for (i = ssid->num_p2p_clients; i > 0; i--) { 1443 res = os_snprintf(pos, end - pos, MACSTR " ", 1444 MAC2STR(ssid->p2p_client_list + 1445 (i - 1) * ETH_ALEN)); 1446 if (res < 0 || res >= end - pos) { 1447 os_free(value); 1448 return NULL; 1449 } 1450 pos += res; 1451 } 1452 1453 if (pos > value) 1454 pos[-1] = '\0'; 1455 1456 return value; 1457 } 1458 #endif /* NO_CONFIG_WRITE */ 1459 1460 1461 static int wpa_config_parse_psk_list(const struct parse_data *data, 1462 struct wpa_ssid *ssid, int line, 1463 const char *value) 1464 { 1465 struct psk_list_entry *p; 1466 const char *pos; 1467 1468 p = os_zalloc(sizeof(*p)); 1469 if (p == NULL) 1470 return -1; 1471 1472 pos = value; 1473 if (os_strncmp(pos, "P2P-", 4) == 0) { 1474 p->p2p = 1; 1475 pos += 4; 1476 } 1477 1478 if (hwaddr_aton(pos, p->addr)) { 1479 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list address '%s'", 1480 line, pos); 1481 os_free(p); 1482 return -1; 1483 } 1484 pos += 17; 1485 if (*pos != '-') { 1486 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list '%s'", 1487 line, pos); 1488 os_free(p); 1489 return -1; 1490 } 1491 pos++; 1492 1493 if (hexstr2bin(pos, p->psk, PMK_LEN) || pos[PMK_LEN * 2] != '\0') { 1494 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list PSK '%s'", 1495 line, pos); 1496 os_free(p); 1497 return -1; 1498 } 1499 1500 dl_list_add(&ssid->psk_list, &p->list); 1501 1502 return 0; 1503 } 1504 1505 1506 #ifndef NO_CONFIG_WRITE 1507 static char * wpa_config_write_psk_list(const struct parse_data *data, 1508 struct wpa_ssid *ssid) 1509 { 1510 return NULL; 1511 } 1512 #endif /* NO_CONFIG_WRITE */ 1513 1514 #endif /* CONFIG_P2P */ 1515 1516 /* Helper macros for network block parser */ 1517 1518 #ifdef OFFSET 1519 #undef OFFSET 1520 #endif /* OFFSET */ 1521 /* OFFSET: Get offset of a variable within the wpa_ssid structure */ 1522 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v) 1523 1524 /* STR: Define a string variable for an ASCII string; f = field name */ 1525 #ifdef NO_CONFIG_WRITE 1526 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f) 1527 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f) 1528 #else /* NO_CONFIG_WRITE */ 1529 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f) 1530 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f) 1531 #endif /* NO_CONFIG_WRITE */ 1532 #define STR(f) _STR(f), NULL, NULL, NULL, 0 1533 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0 1534 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1 1535 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1 1536 1537 /* STR_LEN: Define a string variable with a separate variable for storing the 1538 * data length. Unlike STR(), this can be used to store arbitrary binary data 1539 * (i.e., even nul termination character). */ 1540 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len) 1541 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len) 1542 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0 1543 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0 1544 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1 1545 1546 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length 1547 * explicitly specified. */ 1548 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max) 1549 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0 1550 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1 1551 1552 #ifdef NO_CONFIG_WRITE 1553 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0 1554 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0 1555 #else /* NO_CONFIG_WRITE */ 1556 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \ 1557 OFFSET(f), (void *) 0 1558 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \ 1559 OFFSET(eap.f), (void *) 0 1560 #endif /* NO_CONFIG_WRITE */ 1561 1562 /* INT: Define an integer variable */ 1563 #define INT(f) _INT(f), NULL, NULL, 0 1564 #define INTe(f) _INTe(f), NULL, NULL, 0 1565 1566 /* INT_RANGE: Define an integer variable with allowed value range */ 1567 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0 1568 1569 /* FUNC: Define a configuration variable that uses a custom function for 1570 * parsing and writing the value. */ 1571 #ifdef NO_CONFIG_WRITE 1572 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL 1573 #else /* NO_CONFIG_WRITE */ 1574 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \ 1575 NULL, NULL, NULL, NULL 1576 #endif /* NO_CONFIG_WRITE */ 1577 #define FUNC(f) _FUNC(f), 0 1578 #define FUNC_KEY(f) _FUNC(f), 1 1579 1580 /* 1581 * Table of network configuration variables. This table is used to parse each 1582 * network configuration variable, e.g., each line in wpa_supplicant.conf file 1583 * that is inside a network block. 1584 * 1585 * This table is generated using the helper macros defined above and with 1586 * generous help from the C pre-processor. The field name is stored as a string 1587 * into .name and for STR and INT types, the offset of the target buffer within 1588 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar 1589 * offset to the field containing the length of the configuration variable. 1590 * .param3 and .param4 can be used to mark the allowed range (length for STR 1591 * and value for INT). 1592 * 1593 * For each configuration line in wpa_supplicant.conf, the parser goes through 1594 * this table and select the entry that matches with the field name. The parser 1595 * function (.parser) is then called to parse the actual value of the field. 1596 * 1597 * This kind of mechanism makes it easy to add new configuration parameters, 1598 * since only one line needs to be added into this table and into the 1599 * struct wpa_ssid definition if the new variable is either a string or 1600 * integer. More complex types will need to use their own parser and writer 1601 * functions. 1602 */ 1603 static const struct parse_data ssid_fields[] = { 1604 { STR_RANGE(ssid, 0, MAX_SSID_LEN) }, 1605 { INT_RANGE(scan_ssid, 0, 1) }, 1606 { FUNC(bssid) }, 1607 { FUNC_KEY(psk) }, 1608 { FUNC(proto) }, 1609 { FUNC(key_mgmt) }, 1610 { INT(bg_scan_period) }, 1611 { FUNC(pairwise) }, 1612 { FUNC(group) }, 1613 { FUNC(auth_alg) }, 1614 { FUNC(scan_freq) }, 1615 { FUNC(freq_list) }, 1616 #ifdef IEEE8021X_EAPOL 1617 { FUNC(eap) }, 1618 { STR_LENe(identity) }, 1619 { STR_LENe(anonymous_identity) }, 1620 { FUNC_KEY(password) }, 1621 { STRe(ca_cert) }, 1622 { STRe(ca_path) }, 1623 { STRe(client_cert) }, 1624 { STRe(private_key) }, 1625 { STR_KEYe(private_key_passwd) }, 1626 { STRe(dh_file) }, 1627 { STRe(subject_match) }, 1628 { STRe(altsubject_match) }, 1629 { STRe(domain_suffix_match) }, 1630 { STRe(ca_cert2) }, 1631 { STRe(ca_path2) }, 1632 { STRe(client_cert2) }, 1633 { STRe(private_key2) }, 1634 { STR_KEYe(private_key2_passwd) }, 1635 { STRe(dh_file2) }, 1636 { STRe(subject_match2) }, 1637 { STRe(altsubject_match2) }, 1638 { STRe(domain_suffix_match2) }, 1639 { STRe(phase1) }, 1640 { STRe(phase2) }, 1641 { STRe(pcsc) }, 1642 { STR_KEYe(pin) }, 1643 { STRe(engine_id) }, 1644 { STRe(key_id) }, 1645 { STRe(cert_id) }, 1646 { STRe(ca_cert_id) }, 1647 { STR_KEYe(pin2) }, 1648 { STRe(engine2_id) }, 1649 { STRe(key2_id) }, 1650 { STRe(cert2_id) }, 1651 { STRe(ca_cert2_id) }, 1652 { INTe(engine) }, 1653 { INTe(engine2) }, 1654 { INT(eapol_flags) }, 1655 #endif /* IEEE8021X_EAPOL */ 1656 { FUNC_KEY(wep_key0) }, 1657 { FUNC_KEY(wep_key1) }, 1658 { FUNC_KEY(wep_key2) }, 1659 { FUNC_KEY(wep_key3) }, 1660 { INT(wep_tx_keyidx) }, 1661 { INT(priority) }, 1662 #ifdef IEEE8021X_EAPOL 1663 { INT(eap_workaround) }, 1664 { STRe(pac_file) }, 1665 { INTe(fragment_size) }, 1666 { INTe(ocsp) }, 1667 #endif /* IEEE8021X_EAPOL */ 1668 { INT_RANGE(mode, 0, 4) }, 1669 { INT_RANGE(proactive_key_caching, 0, 1) }, 1670 { INT_RANGE(disabled, 0, 2) }, 1671 { STR(id_str) }, 1672 #ifdef CONFIG_IEEE80211W 1673 { INT_RANGE(ieee80211w, 0, 2) }, 1674 #endif /* CONFIG_IEEE80211W */ 1675 { INT_RANGE(peerkey, 0, 1) }, 1676 { INT_RANGE(mixed_cell, 0, 1) }, 1677 { INT_RANGE(frequency, 0, 65000) }, 1678 { INT(wpa_ptk_rekey) }, 1679 { STR(bgscan) }, 1680 { INT_RANGE(ignore_broadcast_ssid, 0, 2) }, 1681 #ifdef CONFIG_P2P 1682 { FUNC(go_p2p_dev_addr) }, 1683 { FUNC(p2p_client_list) }, 1684 { FUNC(psk_list) }, 1685 #endif /* CONFIG_P2P */ 1686 #ifdef CONFIG_HT_OVERRIDES 1687 { INT_RANGE(disable_ht, 0, 1) }, 1688 { INT_RANGE(disable_ht40, -1, 1) }, 1689 { INT_RANGE(disable_sgi, 0, 1) }, 1690 { INT_RANGE(disable_max_amsdu, -1, 1) }, 1691 { INT_RANGE(ampdu_factor, -1, 3) }, 1692 { INT_RANGE(ampdu_density, -1, 7) }, 1693 { STR(ht_mcs) }, 1694 #endif /* CONFIG_HT_OVERRIDES */ 1695 #ifdef CONFIG_VHT_OVERRIDES 1696 { INT_RANGE(disable_vht, 0, 1) }, 1697 { INT(vht_capa) }, 1698 { INT(vht_capa_mask) }, 1699 { INT_RANGE(vht_rx_mcs_nss_1, -1, 3) }, 1700 { INT_RANGE(vht_rx_mcs_nss_2, -1, 3) }, 1701 { INT_RANGE(vht_rx_mcs_nss_3, -1, 3) }, 1702 { INT_RANGE(vht_rx_mcs_nss_4, -1, 3) }, 1703 { INT_RANGE(vht_rx_mcs_nss_5, -1, 3) }, 1704 { INT_RANGE(vht_rx_mcs_nss_6, -1, 3) }, 1705 { INT_RANGE(vht_rx_mcs_nss_7, -1, 3) }, 1706 { INT_RANGE(vht_rx_mcs_nss_8, -1, 3) }, 1707 { INT_RANGE(vht_tx_mcs_nss_1, -1, 3) }, 1708 { INT_RANGE(vht_tx_mcs_nss_2, -1, 3) }, 1709 { INT_RANGE(vht_tx_mcs_nss_3, -1, 3) }, 1710 { INT_RANGE(vht_tx_mcs_nss_4, -1, 3) }, 1711 { INT_RANGE(vht_tx_mcs_nss_5, -1, 3) }, 1712 { INT_RANGE(vht_tx_mcs_nss_6, -1, 3) }, 1713 { INT_RANGE(vht_tx_mcs_nss_7, -1, 3) }, 1714 { INT_RANGE(vht_tx_mcs_nss_8, -1, 3) }, 1715 #endif /* CONFIG_VHT_OVERRIDES */ 1716 { INT(ap_max_inactivity) }, 1717 { INT(dtim_period) }, 1718 { INT(beacon_int) }, 1719 }; 1720 1721 #undef OFFSET 1722 #undef _STR 1723 #undef STR 1724 #undef STR_KEY 1725 #undef _STR_LEN 1726 #undef STR_LEN 1727 #undef STR_LEN_KEY 1728 #undef _STR_RANGE 1729 #undef STR_RANGE 1730 #undef STR_RANGE_KEY 1731 #undef _INT 1732 #undef INT 1733 #undef INT_RANGE 1734 #undef _FUNC 1735 #undef FUNC 1736 #undef FUNC_KEY 1737 #define NUM_SSID_FIELDS ARRAY_SIZE(ssid_fields) 1738 1739 1740 /** 1741 * wpa_config_add_prio_network - Add a network to priority lists 1742 * @config: Configuration data from wpa_config_read() 1743 * @ssid: Pointer to the network configuration to be added to the list 1744 * Returns: 0 on success, -1 on failure 1745 * 1746 * This function is used to add a network block to the priority list of 1747 * networks. This must be called for each network when reading in the full 1748 * configuration. In addition, this can be used indirectly when updating 1749 * priorities by calling wpa_config_update_prio_list(). 1750 */ 1751 int wpa_config_add_prio_network(struct wpa_config *config, 1752 struct wpa_ssid *ssid) 1753 { 1754 int prio; 1755 struct wpa_ssid *prev, **nlist; 1756 1757 /* 1758 * Add to an existing priority list if one is available for the 1759 * configured priority level for this network. 1760 */ 1761 for (prio = 0; prio < config->num_prio; prio++) { 1762 prev = config->pssid[prio]; 1763 if (prev->priority == ssid->priority) { 1764 while (prev->pnext) 1765 prev = prev->pnext; 1766 prev->pnext = ssid; 1767 return 0; 1768 } 1769 } 1770 1771 /* First network for this priority - add a new priority list */ 1772 nlist = os_realloc_array(config->pssid, config->num_prio + 1, 1773 sizeof(struct wpa_ssid *)); 1774 if (nlist == NULL) 1775 return -1; 1776 1777 for (prio = 0; prio < config->num_prio; prio++) { 1778 if (nlist[prio]->priority < ssid->priority) { 1779 os_memmove(&nlist[prio + 1], &nlist[prio], 1780 (config->num_prio - prio) * 1781 sizeof(struct wpa_ssid *)); 1782 break; 1783 } 1784 } 1785 1786 nlist[prio] = ssid; 1787 config->num_prio++; 1788 config->pssid = nlist; 1789 1790 return 0; 1791 } 1792 1793 1794 /** 1795 * wpa_config_update_prio_list - Update network priority list 1796 * @config: Configuration data from wpa_config_read() 1797 * Returns: 0 on success, -1 on failure 1798 * 1799 * This function is called to update the priority list of networks in the 1800 * configuration when a network is being added or removed. This is also called 1801 * if a priority for a network is changed. 1802 */ 1803 int wpa_config_update_prio_list(struct wpa_config *config) 1804 { 1805 struct wpa_ssid *ssid; 1806 int ret = 0; 1807 1808 os_free(config->pssid); 1809 config->pssid = NULL; 1810 config->num_prio = 0; 1811 1812 ssid = config->ssid; 1813 while (ssid) { 1814 ssid->pnext = NULL; 1815 if (wpa_config_add_prio_network(config, ssid) < 0) 1816 ret = -1; 1817 ssid = ssid->next; 1818 } 1819 1820 return ret; 1821 } 1822 1823 1824 #ifdef IEEE8021X_EAPOL 1825 static void eap_peer_config_free(struct eap_peer_config *eap) 1826 { 1827 os_free(eap->eap_methods); 1828 os_free(eap->identity); 1829 os_free(eap->anonymous_identity); 1830 os_free(eap->password); 1831 os_free(eap->ca_cert); 1832 os_free(eap->ca_path); 1833 os_free(eap->client_cert); 1834 os_free(eap->private_key); 1835 os_free(eap->private_key_passwd); 1836 os_free(eap->dh_file); 1837 os_free(eap->subject_match); 1838 os_free(eap->altsubject_match); 1839 os_free(eap->domain_suffix_match); 1840 os_free(eap->ca_cert2); 1841 os_free(eap->ca_path2); 1842 os_free(eap->client_cert2); 1843 os_free(eap->private_key2); 1844 os_free(eap->private_key2_passwd); 1845 os_free(eap->dh_file2); 1846 os_free(eap->subject_match2); 1847 os_free(eap->altsubject_match2); 1848 os_free(eap->domain_suffix_match2); 1849 os_free(eap->phase1); 1850 os_free(eap->phase2); 1851 os_free(eap->pcsc); 1852 os_free(eap->pin); 1853 os_free(eap->engine_id); 1854 os_free(eap->key_id); 1855 os_free(eap->cert_id); 1856 os_free(eap->ca_cert_id); 1857 os_free(eap->key2_id); 1858 os_free(eap->cert2_id); 1859 os_free(eap->ca_cert2_id); 1860 os_free(eap->pin2); 1861 os_free(eap->engine2_id); 1862 os_free(eap->otp); 1863 os_free(eap->pending_req_otp); 1864 os_free(eap->pac_file); 1865 os_free(eap->new_password); 1866 os_free(eap->external_sim_resp); 1867 } 1868 #endif /* IEEE8021X_EAPOL */ 1869 1870 1871 /** 1872 * wpa_config_free_ssid - Free network/ssid configuration data 1873 * @ssid: Configuration data for the network 1874 * 1875 * This function frees all resources allocated for the network configuration 1876 * data. 1877 */ 1878 void wpa_config_free_ssid(struct wpa_ssid *ssid) 1879 { 1880 struct psk_list_entry *psk; 1881 1882 os_free(ssid->ssid); 1883 os_free(ssid->passphrase); 1884 os_free(ssid->ext_psk); 1885 #ifdef IEEE8021X_EAPOL 1886 eap_peer_config_free(&ssid->eap); 1887 #endif /* IEEE8021X_EAPOL */ 1888 os_free(ssid->id_str); 1889 os_free(ssid->scan_freq); 1890 os_free(ssid->freq_list); 1891 os_free(ssid->bgscan); 1892 os_free(ssid->p2p_client_list); 1893 #ifdef CONFIG_HT_OVERRIDES 1894 os_free(ssid->ht_mcs); 1895 #endif /* CONFIG_HT_OVERRIDES */ 1896 while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry, 1897 list))) { 1898 dl_list_del(&psk->list); 1899 os_free(psk); 1900 } 1901 os_free(ssid); 1902 } 1903 1904 1905 void wpa_config_free_cred(struct wpa_cred *cred) 1906 { 1907 size_t i; 1908 1909 os_free(cred->realm); 1910 os_free(cred->username); 1911 os_free(cred->password); 1912 os_free(cred->ca_cert); 1913 os_free(cred->client_cert); 1914 os_free(cred->private_key); 1915 os_free(cred->private_key_passwd); 1916 os_free(cred->imsi); 1917 os_free(cred->milenage); 1918 for (i = 0; i < cred->num_domain; i++) 1919 os_free(cred->domain[i]); 1920 os_free(cred->domain); 1921 os_free(cred->domain_suffix_match); 1922 os_free(cred->eap_method); 1923 os_free(cred->phase1); 1924 os_free(cred->phase2); 1925 os_free(cred->excluded_ssid); 1926 os_free(cred); 1927 } 1928 1929 1930 void wpa_config_flush_blobs(struct wpa_config *config) 1931 { 1932 #ifndef CONFIG_NO_CONFIG_BLOBS 1933 struct wpa_config_blob *blob, *prev; 1934 1935 blob = config->blobs; 1936 config->blobs = NULL; 1937 while (blob) { 1938 prev = blob; 1939 blob = blob->next; 1940 wpa_config_free_blob(prev); 1941 } 1942 #endif /* CONFIG_NO_CONFIG_BLOBS */ 1943 } 1944 1945 1946 /** 1947 * wpa_config_free - Free configuration data 1948 * @config: Configuration data from wpa_config_read() 1949 * 1950 * This function frees all resources allocated for the configuration data by 1951 * wpa_config_read(). 1952 */ 1953 void wpa_config_free(struct wpa_config *config) 1954 { 1955 struct wpa_ssid *ssid, *prev = NULL; 1956 struct wpa_cred *cred, *cprev; 1957 1958 ssid = config->ssid; 1959 while (ssid) { 1960 prev = ssid; 1961 ssid = ssid->next; 1962 wpa_config_free_ssid(prev); 1963 } 1964 1965 cred = config->cred; 1966 while (cred) { 1967 cprev = cred; 1968 cred = cred->next; 1969 wpa_config_free_cred(cprev); 1970 } 1971 1972 wpa_config_flush_blobs(config); 1973 1974 wpabuf_free(config->wps_vendor_ext_m1); 1975 os_free(config->ctrl_interface); 1976 os_free(config->ctrl_interface_group); 1977 os_free(config->opensc_engine_path); 1978 os_free(config->pkcs11_engine_path); 1979 os_free(config->pkcs11_module_path); 1980 os_free(config->pcsc_reader); 1981 os_free(config->pcsc_pin); 1982 os_free(config->driver_param); 1983 os_free(config->device_name); 1984 os_free(config->manufacturer); 1985 os_free(config->model_name); 1986 os_free(config->model_number); 1987 os_free(config->serial_number); 1988 os_free(config->config_methods); 1989 os_free(config->p2p_ssid_postfix); 1990 os_free(config->pssid); 1991 os_free(config->p2p_pref_chan); 1992 os_free(config->p2p_no_go_freq.range); 1993 os_free(config->autoscan); 1994 os_free(config->freq_list); 1995 wpabuf_free(config->wps_nfc_dh_pubkey); 1996 wpabuf_free(config->wps_nfc_dh_privkey); 1997 wpabuf_free(config->wps_nfc_dev_pw); 1998 os_free(config->ext_password_backend); 1999 os_free(config->sae_groups); 2000 wpabuf_free(config->ap_vendor_elements); 2001 os_free(config); 2002 } 2003 2004 2005 /** 2006 * wpa_config_foreach_network - Iterate over each configured network 2007 * @config: Configuration data from wpa_config_read() 2008 * @func: Callback function to process each network 2009 * @arg: Opaque argument to pass to callback function 2010 * 2011 * Iterate over the set of configured networks calling the specified 2012 * function for each item. We guard against callbacks removing the 2013 * supplied network. 2014 */ 2015 void wpa_config_foreach_network(struct wpa_config *config, 2016 void (*func)(void *, struct wpa_ssid *), 2017 void *arg) 2018 { 2019 struct wpa_ssid *ssid, *next; 2020 2021 ssid = config->ssid; 2022 while (ssid) { 2023 next = ssid->next; 2024 func(arg, ssid); 2025 ssid = next; 2026 } 2027 } 2028 2029 2030 /** 2031 * wpa_config_get_network - Get configured network based on id 2032 * @config: Configuration data from wpa_config_read() 2033 * @id: Unique network id to search for 2034 * Returns: Network configuration or %NULL if not found 2035 */ 2036 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id) 2037 { 2038 struct wpa_ssid *ssid; 2039 2040 ssid = config->ssid; 2041 while (ssid) { 2042 if (id == ssid->id) 2043 break; 2044 ssid = ssid->next; 2045 } 2046 2047 return ssid; 2048 } 2049 2050 2051 /** 2052 * wpa_config_add_network - Add a new network with empty configuration 2053 * @config: Configuration data from wpa_config_read() 2054 * Returns: The new network configuration or %NULL if operation failed 2055 */ 2056 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config) 2057 { 2058 int id; 2059 struct wpa_ssid *ssid, *last = NULL; 2060 2061 id = -1; 2062 ssid = config->ssid; 2063 while (ssid) { 2064 if (ssid->id > id) 2065 id = ssid->id; 2066 last = ssid; 2067 ssid = ssid->next; 2068 } 2069 id++; 2070 2071 ssid = os_zalloc(sizeof(*ssid)); 2072 if (ssid == NULL) 2073 return NULL; 2074 ssid->id = id; 2075 dl_list_init(&ssid->psk_list); 2076 if (last) 2077 last->next = ssid; 2078 else 2079 config->ssid = ssid; 2080 2081 wpa_config_update_prio_list(config); 2082 2083 return ssid; 2084 } 2085 2086 2087 /** 2088 * wpa_config_remove_network - Remove a configured network based on id 2089 * @config: Configuration data from wpa_config_read() 2090 * @id: Unique network id to search for 2091 * Returns: 0 on success, or -1 if the network was not found 2092 */ 2093 int wpa_config_remove_network(struct wpa_config *config, int id) 2094 { 2095 struct wpa_ssid *ssid, *prev = NULL; 2096 2097 ssid = config->ssid; 2098 while (ssid) { 2099 if (id == ssid->id) 2100 break; 2101 prev = ssid; 2102 ssid = ssid->next; 2103 } 2104 2105 if (ssid == NULL) 2106 return -1; 2107 2108 if (prev) 2109 prev->next = ssid->next; 2110 else 2111 config->ssid = ssid->next; 2112 2113 wpa_config_update_prio_list(config); 2114 wpa_config_free_ssid(ssid); 2115 return 0; 2116 } 2117 2118 2119 /** 2120 * wpa_config_set_network_defaults - Set network default values 2121 * @ssid: Pointer to network configuration data 2122 */ 2123 void wpa_config_set_network_defaults(struct wpa_ssid *ssid) 2124 { 2125 ssid->proto = DEFAULT_PROTO; 2126 ssid->pairwise_cipher = DEFAULT_PAIRWISE; 2127 ssid->group_cipher = DEFAULT_GROUP; 2128 ssid->key_mgmt = DEFAULT_KEY_MGMT; 2129 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 2130 #ifdef IEEE8021X_EAPOL 2131 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS; 2132 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND; 2133 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE; 2134 #endif /* IEEE8021X_EAPOL */ 2135 #ifdef CONFIG_HT_OVERRIDES 2136 ssid->disable_ht = DEFAULT_DISABLE_HT; 2137 ssid->disable_ht40 = DEFAULT_DISABLE_HT40; 2138 ssid->disable_sgi = DEFAULT_DISABLE_SGI; 2139 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU; 2140 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR; 2141 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY; 2142 #endif /* CONFIG_HT_OVERRIDES */ 2143 #ifdef CONFIG_VHT_OVERRIDES 2144 ssid->vht_rx_mcs_nss_1 = -1; 2145 ssid->vht_rx_mcs_nss_2 = -1; 2146 ssid->vht_rx_mcs_nss_3 = -1; 2147 ssid->vht_rx_mcs_nss_4 = -1; 2148 ssid->vht_rx_mcs_nss_5 = -1; 2149 ssid->vht_rx_mcs_nss_6 = -1; 2150 ssid->vht_rx_mcs_nss_7 = -1; 2151 ssid->vht_rx_mcs_nss_8 = -1; 2152 ssid->vht_tx_mcs_nss_1 = -1; 2153 ssid->vht_tx_mcs_nss_2 = -1; 2154 ssid->vht_tx_mcs_nss_3 = -1; 2155 ssid->vht_tx_mcs_nss_4 = -1; 2156 ssid->vht_tx_mcs_nss_5 = -1; 2157 ssid->vht_tx_mcs_nss_6 = -1; 2158 ssid->vht_tx_mcs_nss_7 = -1; 2159 ssid->vht_tx_mcs_nss_8 = -1; 2160 #endif /* CONFIG_VHT_OVERRIDES */ 2161 ssid->proactive_key_caching = -1; 2162 #ifdef CONFIG_IEEE80211W 2163 ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT; 2164 #endif /* CONFIG_IEEE80211W */ 2165 } 2166 2167 2168 /** 2169 * wpa_config_set - Set a variable in network configuration 2170 * @ssid: Pointer to network configuration data 2171 * @var: Variable name, e.g., "ssid" 2172 * @value: Variable value 2173 * @line: Line number in configuration file or 0 if not used 2174 * Returns: 0 on success, -1 on failure 2175 * 2176 * This function can be used to set network configuration variables based on 2177 * both the configuration file and management interface input. The value 2178 * parameter must be in the same format as the text-based configuration file is 2179 * using. For example, strings are using double quotation marks. 2180 */ 2181 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value, 2182 int line) 2183 { 2184 size_t i; 2185 int ret = 0; 2186 2187 if (ssid == NULL || var == NULL || value == NULL) 2188 return -1; 2189 2190 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2191 const struct parse_data *field = &ssid_fields[i]; 2192 if (os_strcmp(var, field->name) != 0) 2193 continue; 2194 2195 if (field->parser(field, ssid, line, value)) { 2196 if (line) { 2197 wpa_printf(MSG_ERROR, "Line %d: failed to " 2198 "parse %s '%s'.", line, var, value); 2199 } 2200 ret = -1; 2201 } 2202 break; 2203 } 2204 if (i == NUM_SSID_FIELDS) { 2205 if (line) { 2206 wpa_printf(MSG_ERROR, "Line %d: unknown network field " 2207 "'%s'.", line, var); 2208 } 2209 ret = -1; 2210 } 2211 2212 return ret; 2213 } 2214 2215 2216 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var, 2217 const char *value) 2218 { 2219 size_t len; 2220 char *buf; 2221 int ret; 2222 2223 len = os_strlen(value); 2224 buf = os_malloc(len + 3); 2225 if (buf == NULL) 2226 return -1; 2227 buf[0] = '"'; 2228 os_memcpy(buf + 1, value, len); 2229 buf[len + 1] = '"'; 2230 buf[len + 2] = '\0'; 2231 ret = wpa_config_set(ssid, var, buf, 0); 2232 os_free(buf); 2233 return ret; 2234 } 2235 2236 2237 /** 2238 * wpa_config_get_all - Get all options from network configuration 2239 * @ssid: Pointer to network configuration data 2240 * @get_keys: Determines if keys/passwords will be included in returned list 2241 * (if they may be exported) 2242 * Returns: %NULL terminated list of all set keys and their values in the form 2243 * of [key1, val1, key2, val2, ... , NULL] 2244 * 2245 * This function can be used to get list of all configured network properties. 2246 * The caller is responsible for freeing the returned list and all its 2247 * elements. 2248 */ 2249 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys) 2250 { 2251 const struct parse_data *field; 2252 char *key, *value; 2253 size_t i; 2254 char **props; 2255 int fields_num; 2256 2257 get_keys = get_keys && ssid->export_keys; 2258 2259 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *)); 2260 if (!props) 2261 return NULL; 2262 2263 fields_num = 0; 2264 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2265 field = &ssid_fields[i]; 2266 if (field->key_data && !get_keys) 2267 continue; 2268 value = field->writer(field, ssid); 2269 if (value == NULL) 2270 continue; 2271 if (os_strlen(value) == 0) { 2272 os_free(value); 2273 continue; 2274 } 2275 2276 key = os_strdup(field->name); 2277 if (key == NULL) { 2278 os_free(value); 2279 goto err; 2280 } 2281 2282 props[fields_num * 2] = key; 2283 props[fields_num * 2 + 1] = value; 2284 2285 fields_num++; 2286 } 2287 2288 return props; 2289 2290 err: 2291 value = *props; 2292 while (value) 2293 os_free(value++); 2294 os_free(props); 2295 return NULL; 2296 } 2297 2298 2299 #ifndef NO_CONFIG_WRITE 2300 /** 2301 * wpa_config_get - Get a variable in network configuration 2302 * @ssid: Pointer to network configuration data 2303 * @var: Variable name, e.g., "ssid" 2304 * Returns: Value of the variable or %NULL on failure 2305 * 2306 * This function can be used to get network configuration variables. The 2307 * returned value is a copy of the configuration variable in text format, i.e,. 2308 * the same format that the text-based configuration file and wpa_config_set() 2309 * are using for the value. The caller is responsible for freeing the returned 2310 * value. 2311 */ 2312 char * wpa_config_get(struct wpa_ssid *ssid, const char *var) 2313 { 2314 size_t i; 2315 2316 if (ssid == NULL || var == NULL) 2317 return NULL; 2318 2319 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2320 const struct parse_data *field = &ssid_fields[i]; 2321 if (os_strcmp(var, field->name) == 0) 2322 return field->writer(field, ssid); 2323 } 2324 2325 return NULL; 2326 } 2327 2328 2329 /** 2330 * wpa_config_get_no_key - Get a variable in network configuration (no keys) 2331 * @ssid: Pointer to network configuration data 2332 * @var: Variable name, e.g., "ssid" 2333 * Returns: Value of the variable or %NULL on failure 2334 * 2335 * This function can be used to get network configuration variable like 2336 * wpa_config_get(). The only difference is that this functions does not expose 2337 * key/password material from the configuration. In case a key/password field 2338 * is requested, the returned value is an empty string or %NULL if the variable 2339 * is not set or "*" if the variable is set (regardless of its value). The 2340 * returned value is a copy of the configuration variable in text format, i.e,. 2341 * the same format that the text-based configuration file and wpa_config_set() 2342 * are using for the value. The caller is responsible for freeing the returned 2343 * value. 2344 */ 2345 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var) 2346 { 2347 size_t i; 2348 2349 if (ssid == NULL || var == NULL) 2350 return NULL; 2351 2352 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2353 const struct parse_data *field = &ssid_fields[i]; 2354 if (os_strcmp(var, field->name) == 0) { 2355 char *res = field->writer(field, ssid); 2356 if (field->key_data) { 2357 if (res && res[0]) { 2358 wpa_printf(MSG_DEBUG, "Do not allow " 2359 "key_data field to be " 2360 "exposed"); 2361 os_free(res); 2362 return os_strdup("*"); 2363 } 2364 2365 os_free(res); 2366 return NULL; 2367 } 2368 return res; 2369 } 2370 } 2371 2372 return NULL; 2373 } 2374 #endif /* NO_CONFIG_WRITE */ 2375 2376 2377 /** 2378 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID 2379 * @ssid: Pointer to network configuration data 2380 * 2381 * This function must be called to update WPA PSK when either SSID or the 2382 * passphrase has changed for the network configuration. 2383 */ 2384 void wpa_config_update_psk(struct wpa_ssid *ssid) 2385 { 2386 #ifndef CONFIG_NO_PBKDF2 2387 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096, 2388 ssid->psk, PMK_LEN); 2389 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", 2390 ssid->psk, PMK_LEN); 2391 ssid->psk_set = 1; 2392 #endif /* CONFIG_NO_PBKDF2 */ 2393 } 2394 2395 2396 int wpa_config_set_cred(struct wpa_cred *cred, const char *var, 2397 const char *value, int line) 2398 { 2399 char *val; 2400 size_t len; 2401 2402 if (os_strcmp(var, "temporary") == 0) { 2403 cred->temporary = atoi(value); 2404 return 0; 2405 } 2406 2407 if (os_strcmp(var, "priority") == 0) { 2408 cred->priority = atoi(value); 2409 return 0; 2410 } 2411 2412 if (os_strcmp(var, "pcsc") == 0) { 2413 cred->pcsc = atoi(value); 2414 return 0; 2415 } 2416 2417 if (os_strcmp(var, "eap") == 0) { 2418 struct eap_method_type method; 2419 method.method = eap_peer_get_type(value, &method.vendor); 2420 if (method.vendor == EAP_VENDOR_IETF && 2421 method.method == EAP_TYPE_NONE) { 2422 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' " 2423 "for a credential", line, value); 2424 return -1; 2425 } 2426 os_free(cred->eap_method); 2427 cred->eap_method = os_malloc(sizeof(*cred->eap_method)); 2428 if (cred->eap_method == NULL) 2429 return -1; 2430 os_memcpy(cred->eap_method, &method, sizeof(method)); 2431 return 0; 2432 } 2433 2434 if (os_strcmp(var, "password") == 0 && 2435 os_strncmp(value, "ext:", 4) == 0) { 2436 os_free(cred->password); 2437 cred->password = os_strdup(value); 2438 cred->ext_password = 1; 2439 return 0; 2440 } 2441 2442 val = wpa_config_parse_string(value, &len); 2443 if (val == NULL) { 2444 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string " 2445 "value '%s'.", line, var, value); 2446 return -1; 2447 } 2448 2449 if (os_strcmp(var, "realm") == 0) { 2450 os_free(cred->realm); 2451 cred->realm = val; 2452 return 0; 2453 } 2454 2455 if (os_strcmp(var, "username") == 0) { 2456 os_free(cred->username); 2457 cred->username = val; 2458 return 0; 2459 } 2460 2461 if (os_strcmp(var, "password") == 0) { 2462 os_free(cred->password); 2463 cred->password = val; 2464 cred->ext_password = 0; 2465 return 0; 2466 } 2467 2468 if (os_strcmp(var, "ca_cert") == 0) { 2469 os_free(cred->ca_cert); 2470 cred->ca_cert = val; 2471 return 0; 2472 } 2473 2474 if (os_strcmp(var, "client_cert") == 0) { 2475 os_free(cred->client_cert); 2476 cred->client_cert = val; 2477 return 0; 2478 } 2479 2480 if (os_strcmp(var, "private_key") == 0) { 2481 os_free(cred->private_key); 2482 cred->private_key = val; 2483 return 0; 2484 } 2485 2486 if (os_strcmp(var, "private_key_passwd") == 0) { 2487 os_free(cred->private_key_passwd); 2488 cred->private_key_passwd = val; 2489 return 0; 2490 } 2491 2492 if (os_strcmp(var, "imsi") == 0) { 2493 os_free(cred->imsi); 2494 cred->imsi = val; 2495 return 0; 2496 } 2497 2498 if (os_strcmp(var, "milenage") == 0) { 2499 os_free(cred->milenage); 2500 cred->milenage = val; 2501 return 0; 2502 } 2503 2504 if (os_strcmp(var, "domain_suffix_match") == 0) { 2505 os_free(cred->domain_suffix_match); 2506 cred->domain_suffix_match = val; 2507 return 0; 2508 } 2509 2510 if (os_strcmp(var, "domain") == 0) { 2511 char **new_domain; 2512 new_domain = os_realloc_array(cred->domain, 2513 cred->num_domain + 1, 2514 sizeof(char *)); 2515 if (new_domain == NULL) { 2516 os_free(val); 2517 return -1; 2518 } 2519 new_domain[cred->num_domain++] = val; 2520 cred->domain = new_domain; 2521 return 0; 2522 } 2523 2524 if (os_strcmp(var, "phase1") == 0) { 2525 os_free(cred->phase1); 2526 cred->phase1 = val; 2527 return 0; 2528 } 2529 2530 if (os_strcmp(var, "phase2") == 0) { 2531 os_free(cred->phase2); 2532 cred->phase2 = val; 2533 return 0; 2534 } 2535 2536 if (os_strcmp(var, "roaming_consortium") == 0) { 2537 if (len < 3 || len > sizeof(cred->roaming_consortium)) { 2538 wpa_printf(MSG_ERROR, "Line %d: invalid " 2539 "roaming_consortium length %d (3..15 " 2540 "expected)", line, (int) len); 2541 os_free(val); 2542 return -1; 2543 } 2544 os_memcpy(cred->roaming_consortium, val, len); 2545 cred->roaming_consortium_len = len; 2546 os_free(val); 2547 return 0; 2548 } 2549 2550 if (os_strcmp(var, "required_roaming_consortium") == 0) { 2551 if (len < 3 || len > sizeof(cred->required_roaming_consortium)) 2552 { 2553 wpa_printf(MSG_ERROR, "Line %d: invalid " 2554 "required_roaming_consortium length %d " 2555 "(3..15 expected)", line, (int) len); 2556 os_free(val); 2557 return -1; 2558 } 2559 os_memcpy(cred->required_roaming_consortium, val, len); 2560 cred->required_roaming_consortium_len = len; 2561 os_free(val); 2562 return 0; 2563 } 2564 2565 if (os_strcmp(var, "excluded_ssid") == 0) { 2566 struct excluded_ssid *e; 2567 2568 if (len > MAX_SSID_LEN) { 2569 wpa_printf(MSG_ERROR, "Line %d: invalid " 2570 "excluded_ssid length %d", line, (int) len); 2571 os_free(val); 2572 return -1; 2573 } 2574 2575 e = os_realloc_array(cred->excluded_ssid, 2576 cred->num_excluded_ssid + 1, 2577 sizeof(struct excluded_ssid)); 2578 if (e == NULL) { 2579 os_free(val); 2580 return -1; 2581 } 2582 cred->excluded_ssid = e; 2583 2584 e = &cred->excluded_ssid[cred->num_excluded_ssid++]; 2585 os_memcpy(e->ssid, val, len); 2586 e->ssid_len = len; 2587 2588 os_free(val); 2589 2590 return 0; 2591 } 2592 2593 if (line) { 2594 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.", 2595 line, var); 2596 } 2597 2598 os_free(val); 2599 2600 return -1; 2601 } 2602 2603 2604 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id) 2605 { 2606 struct wpa_cred *cred; 2607 2608 cred = config->cred; 2609 while (cred) { 2610 if (id == cred->id) 2611 break; 2612 cred = cred->next; 2613 } 2614 2615 return cred; 2616 } 2617 2618 2619 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config) 2620 { 2621 int id; 2622 struct wpa_cred *cred, *last = NULL; 2623 2624 id = -1; 2625 cred = config->cred; 2626 while (cred) { 2627 if (cred->id > id) 2628 id = cred->id; 2629 last = cred; 2630 cred = cred->next; 2631 } 2632 id++; 2633 2634 cred = os_zalloc(sizeof(*cred)); 2635 if (cred == NULL) 2636 return NULL; 2637 cred->id = id; 2638 if (last) 2639 last->next = cred; 2640 else 2641 config->cred = cred; 2642 2643 return cred; 2644 } 2645 2646 2647 int wpa_config_remove_cred(struct wpa_config *config, int id) 2648 { 2649 struct wpa_cred *cred, *prev = NULL; 2650 2651 cred = config->cred; 2652 while (cred) { 2653 if (id == cred->id) 2654 break; 2655 prev = cred; 2656 cred = cred->next; 2657 } 2658 2659 if (cred == NULL) 2660 return -1; 2661 2662 if (prev) 2663 prev->next = cred->next; 2664 else 2665 config->cred = cred->next; 2666 2667 wpa_config_free_cred(cred); 2668 return 0; 2669 } 2670 2671 2672 #ifndef CONFIG_NO_CONFIG_BLOBS 2673 /** 2674 * wpa_config_get_blob - Get a named configuration blob 2675 * @config: Configuration data from wpa_config_read() 2676 * @name: Name of the blob 2677 * Returns: Pointer to blob data or %NULL if not found 2678 */ 2679 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config, 2680 const char *name) 2681 { 2682 struct wpa_config_blob *blob = config->blobs; 2683 2684 while (blob) { 2685 if (os_strcmp(blob->name, name) == 0) 2686 return blob; 2687 blob = blob->next; 2688 } 2689 return NULL; 2690 } 2691 2692 2693 /** 2694 * wpa_config_set_blob - Set or add a named configuration blob 2695 * @config: Configuration data from wpa_config_read() 2696 * @blob: New value for the blob 2697 * 2698 * Adds a new configuration blob or replaces the current value of an existing 2699 * blob. 2700 */ 2701 void wpa_config_set_blob(struct wpa_config *config, 2702 struct wpa_config_blob *blob) 2703 { 2704 wpa_config_remove_blob(config, blob->name); 2705 blob->next = config->blobs; 2706 config->blobs = blob; 2707 } 2708 2709 2710 /** 2711 * wpa_config_free_blob - Free blob data 2712 * @blob: Pointer to blob to be freed 2713 */ 2714 void wpa_config_free_blob(struct wpa_config_blob *blob) 2715 { 2716 if (blob) { 2717 os_free(blob->name); 2718 os_free(blob->data); 2719 os_free(blob); 2720 } 2721 } 2722 2723 2724 /** 2725 * wpa_config_remove_blob - Remove a named configuration blob 2726 * @config: Configuration data from wpa_config_read() 2727 * @name: Name of the blob to remove 2728 * Returns: 0 if blob was removed or -1 if blob was not found 2729 */ 2730 int wpa_config_remove_blob(struct wpa_config *config, const char *name) 2731 { 2732 struct wpa_config_blob *pos = config->blobs, *prev = NULL; 2733 2734 while (pos) { 2735 if (os_strcmp(pos->name, name) == 0) { 2736 if (prev) 2737 prev->next = pos->next; 2738 else 2739 config->blobs = pos->next; 2740 wpa_config_free_blob(pos); 2741 return 0; 2742 } 2743 prev = pos; 2744 pos = pos->next; 2745 } 2746 2747 return -1; 2748 } 2749 #endif /* CONFIG_NO_CONFIG_BLOBS */ 2750 2751 2752 /** 2753 * wpa_config_alloc_empty - Allocate an empty configuration 2754 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain 2755 * socket 2756 * @driver_param: Driver parameters 2757 * Returns: Pointer to allocated configuration data or %NULL on failure 2758 */ 2759 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface, 2760 const char *driver_param) 2761 { 2762 struct wpa_config *config; 2763 const int aCWmin = 4, aCWmax = 10; 2764 const struct hostapd_wmm_ac_params ac_bk = 2765 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */ 2766 const struct hostapd_wmm_ac_params ac_be = 2767 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */ 2768 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */ 2769 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 }; 2770 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */ 2771 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 }; 2772 2773 config = os_zalloc(sizeof(*config)); 2774 if (config == NULL) 2775 return NULL; 2776 config->eapol_version = DEFAULT_EAPOL_VERSION; 2777 config->ap_scan = DEFAULT_AP_SCAN; 2778 config->fast_reauth = DEFAULT_FAST_REAUTH; 2779 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT; 2780 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS; 2781 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY; 2782 config->bss_max_count = DEFAULT_BSS_MAX_COUNT; 2783 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE; 2784 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT; 2785 config->max_num_sta = DEFAULT_MAX_NUM_STA; 2786 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE; 2787 config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ; 2788 config->wmm_ac_params[0] = ac_be; 2789 config->wmm_ac_params[1] = ac_bk; 2790 config->wmm_ac_params[2] = ac_vi; 2791 config->wmm_ac_params[3] = ac_vo; 2792 2793 if (ctrl_interface) 2794 config->ctrl_interface = os_strdup(ctrl_interface); 2795 if (driver_param) 2796 config->driver_param = os_strdup(driver_param); 2797 2798 return config; 2799 } 2800 2801 2802 #ifndef CONFIG_NO_STDOUT_DEBUG 2803 /** 2804 * wpa_config_debug_dump_networks - Debug dump of configured networks 2805 * @config: Configuration data from wpa_config_read() 2806 */ 2807 void wpa_config_debug_dump_networks(struct wpa_config *config) 2808 { 2809 int prio; 2810 struct wpa_ssid *ssid; 2811 2812 for (prio = 0; prio < config->num_prio; prio++) { 2813 ssid = config->pssid[prio]; 2814 wpa_printf(MSG_DEBUG, "Priority group %d", 2815 ssid->priority); 2816 while (ssid) { 2817 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'", 2818 ssid->id, 2819 wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); 2820 ssid = ssid->pnext; 2821 } 2822 } 2823 } 2824 #endif /* CONFIG_NO_STDOUT_DEBUG */ 2825 2826 2827 struct global_parse_data { 2828 char *name; 2829 int (*parser)(const struct global_parse_data *data, 2830 struct wpa_config *config, int line, const char *value); 2831 void *param1, *param2, *param3; 2832 unsigned int changed_flag; 2833 }; 2834 2835 2836 static int wpa_global_config_parse_int(const struct global_parse_data *data, 2837 struct wpa_config *config, int line, 2838 const char *pos) 2839 { 2840 int val, *dst; 2841 char *end; 2842 2843 dst = (int *) (((u8 *) config) + (long) data->param1); 2844 val = strtol(pos, &end, 0); 2845 if (*end) { 2846 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"", 2847 line, pos); 2848 return -1; 2849 } 2850 *dst = val; 2851 2852 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst); 2853 2854 if (data->param2 && *dst < (long) data->param2) { 2855 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d " 2856 "min_value=%ld)", line, data->name, *dst, 2857 (long) data->param2); 2858 *dst = (long) data->param2; 2859 return -1; 2860 } 2861 2862 if (data->param3 && *dst > (long) data->param3) { 2863 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d " 2864 "max_value=%ld)", line, data->name, *dst, 2865 (long) data->param3); 2866 *dst = (long) data->param3; 2867 return -1; 2868 } 2869 2870 return 0; 2871 } 2872 2873 2874 static int wpa_global_config_parse_str(const struct global_parse_data *data, 2875 struct wpa_config *config, int line, 2876 const char *pos) 2877 { 2878 size_t len; 2879 char **dst, *tmp; 2880 2881 len = os_strlen(pos); 2882 if (data->param2 && len < (size_t) data->param2) { 2883 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu " 2884 "min_len=%ld)", line, data->name, 2885 (unsigned long) len, (long) data->param2); 2886 return -1; 2887 } 2888 2889 if (data->param3 && len > (size_t) data->param3) { 2890 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu " 2891 "max_len=%ld)", line, data->name, 2892 (unsigned long) len, (long) data->param3); 2893 return -1; 2894 } 2895 2896 tmp = os_strdup(pos); 2897 if (tmp == NULL) 2898 return -1; 2899 2900 dst = (char **) (((u8 *) config) + (long) data->param1); 2901 os_free(*dst); 2902 *dst = tmp; 2903 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst); 2904 2905 return 0; 2906 } 2907 2908 2909 static int wpa_config_process_bgscan(const struct global_parse_data *data, 2910 struct wpa_config *config, int line, 2911 const char *pos) 2912 { 2913 size_t len; 2914 char *tmp; 2915 int res; 2916 2917 tmp = wpa_config_parse_string(pos, &len); 2918 if (tmp == NULL) { 2919 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s", 2920 line, data->name); 2921 return -1; 2922 } 2923 2924 res = wpa_global_config_parse_str(data, config, line, tmp); 2925 os_free(tmp); 2926 return res; 2927 } 2928 2929 2930 static int wpa_global_config_parse_bin(const struct global_parse_data *data, 2931 struct wpa_config *config, int line, 2932 const char *pos) 2933 { 2934 size_t len; 2935 struct wpabuf **dst, *tmp; 2936 2937 len = os_strlen(pos); 2938 if (len & 0x01) 2939 return -1; 2940 2941 tmp = wpabuf_alloc(len / 2); 2942 if (tmp == NULL) 2943 return -1; 2944 2945 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) { 2946 wpabuf_free(tmp); 2947 return -1; 2948 } 2949 2950 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1); 2951 wpabuf_free(*dst); 2952 *dst = tmp; 2953 wpa_printf(MSG_DEBUG, "%s", data->name); 2954 2955 return 0; 2956 } 2957 2958 2959 static int wpa_config_process_freq_list(const struct global_parse_data *data, 2960 struct wpa_config *config, int line, 2961 const char *value) 2962 { 2963 int *freqs; 2964 2965 freqs = wpa_config_parse_int_array(value); 2966 if (freqs == NULL) 2967 return -1; 2968 if (freqs[0] == 0) { 2969 os_free(freqs); 2970 freqs = NULL; 2971 } 2972 os_free(config->freq_list); 2973 config->freq_list = freqs; 2974 return 0; 2975 } 2976 2977 2978 #ifdef CONFIG_P2P 2979 static int wpa_global_config_parse_ipv4(const struct global_parse_data *data, 2980 struct wpa_config *config, int line, 2981 const char *pos) 2982 { 2983 u32 *dst; 2984 struct hostapd_ip_addr addr; 2985 2986 if (hostapd_parse_ip_addr(pos, &addr) < 0) 2987 return -1; 2988 if (addr.af != AF_INET) 2989 return -1; 2990 2991 dst = (u32 *) (((u8 *) config) + (long) data->param1); 2992 os_memcpy(dst, &addr.u.v4.s_addr, 4); 2993 wpa_printf(MSG_DEBUG, "%s = 0x%x", data->name, 2994 WPA_GET_BE32((u8 *) dst)); 2995 2996 return 0; 2997 } 2998 #endif /* CONFIG_P2P */ 2999 3000 3001 static int wpa_config_process_country(const struct global_parse_data *data, 3002 struct wpa_config *config, int line, 3003 const char *pos) 3004 { 3005 if (!pos[0] || !pos[1]) { 3006 wpa_printf(MSG_DEBUG, "Invalid country set"); 3007 return -1; 3008 } 3009 config->country[0] = pos[0]; 3010 config->country[1] = pos[1]; 3011 wpa_printf(MSG_DEBUG, "country='%c%c'", 3012 config->country[0], config->country[1]); 3013 return 0; 3014 } 3015 3016 3017 static int wpa_config_process_load_dynamic_eap( 3018 const struct global_parse_data *data, struct wpa_config *config, 3019 int line, const char *so) 3020 { 3021 int ret; 3022 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so); 3023 ret = eap_peer_method_load(so); 3024 if (ret == -2) { 3025 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not " 3026 "reloading."); 3027 } else if (ret) { 3028 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP " 3029 "method '%s'.", line, so); 3030 return -1; 3031 } 3032 3033 return 0; 3034 } 3035 3036 3037 #ifdef CONFIG_WPS 3038 3039 static int wpa_config_process_uuid(const struct global_parse_data *data, 3040 struct wpa_config *config, int line, 3041 const char *pos) 3042 { 3043 char buf[40]; 3044 if (uuid_str2bin(pos, config->uuid)) { 3045 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line); 3046 return -1; 3047 } 3048 uuid_bin2str(config->uuid, buf, sizeof(buf)); 3049 wpa_printf(MSG_DEBUG, "uuid=%s", buf); 3050 return 0; 3051 } 3052 3053 3054 static int wpa_config_process_device_type( 3055 const struct global_parse_data *data, 3056 struct wpa_config *config, int line, const char *pos) 3057 { 3058 return wps_dev_type_str2bin(pos, config->device_type); 3059 } 3060 3061 3062 static int wpa_config_process_os_version(const struct global_parse_data *data, 3063 struct wpa_config *config, int line, 3064 const char *pos) 3065 { 3066 if (hexstr2bin(pos, config->os_version, 4)) { 3067 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line); 3068 return -1; 3069 } 3070 wpa_printf(MSG_DEBUG, "os_version=%08x", 3071 WPA_GET_BE32(config->os_version)); 3072 return 0; 3073 } 3074 3075 3076 static int wpa_config_process_wps_vendor_ext_m1( 3077 const struct global_parse_data *data, 3078 struct wpa_config *config, int line, const char *pos) 3079 { 3080 struct wpabuf *tmp; 3081 int len = os_strlen(pos) / 2; 3082 u8 *p; 3083 3084 if (!len) { 3085 wpa_printf(MSG_ERROR, "Line %d: " 3086 "invalid wps_vendor_ext_m1", line); 3087 return -1; 3088 } 3089 3090 tmp = wpabuf_alloc(len); 3091 if (tmp) { 3092 p = wpabuf_put(tmp, len); 3093 3094 if (hexstr2bin(pos, p, len)) { 3095 wpa_printf(MSG_ERROR, "Line %d: " 3096 "invalid wps_vendor_ext_m1", line); 3097 wpabuf_free(tmp); 3098 return -1; 3099 } 3100 3101 wpabuf_free(config->wps_vendor_ext_m1); 3102 config->wps_vendor_ext_m1 = tmp; 3103 } else { 3104 wpa_printf(MSG_ERROR, "Can not allocate " 3105 "memory for wps_vendor_ext_m1"); 3106 return -1; 3107 } 3108 3109 return 0; 3110 } 3111 3112 #endif /* CONFIG_WPS */ 3113 3114 #ifdef CONFIG_P2P 3115 static int wpa_config_process_sec_device_type( 3116 const struct global_parse_data *data, 3117 struct wpa_config *config, int line, const char *pos) 3118 { 3119 int idx; 3120 3121 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) { 3122 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type " 3123 "items", line); 3124 return -1; 3125 } 3126 3127 idx = config->num_sec_device_types; 3128 3129 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx])) 3130 return -1; 3131 3132 config->num_sec_device_types++; 3133 return 0; 3134 } 3135 3136 3137 static int wpa_config_process_p2p_pref_chan( 3138 const struct global_parse_data *data, 3139 struct wpa_config *config, int line, const char *pos) 3140 { 3141 struct p2p_channel *pref = NULL, *n; 3142 unsigned int num = 0; 3143 const char *pos2; 3144 u8 op_class, chan; 3145 3146 /* format: class:chan,class:chan,... */ 3147 3148 while (*pos) { 3149 op_class = atoi(pos); 3150 pos2 = os_strchr(pos, ':'); 3151 if (pos2 == NULL) 3152 goto fail; 3153 pos2++; 3154 chan = atoi(pos2); 3155 3156 n = os_realloc_array(pref, num + 1, 3157 sizeof(struct p2p_channel)); 3158 if (n == NULL) 3159 goto fail; 3160 pref = n; 3161 pref[num].op_class = op_class; 3162 pref[num].chan = chan; 3163 num++; 3164 3165 pos = os_strchr(pos2, ','); 3166 if (pos == NULL) 3167 break; 3168 pos++; 3169 } 3170 3171 os_free(config->p2p_pref_chan); 3172 config->p2p_pref_chan = pref; 3173 config->num_p2p_pref_chan = num; 3174 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs", 3175 (u8 *) config->p2p_pref_chan, 3176 config->num_p2p_pref_chan * sizeof(struct p2p_channel)); 3177 3178 return 0; 3179 3180 fail: 3181 os_free(pref); 3182 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line); 3183 return -1; 3184 } 3185 3186 3187 static int wpa_config_process_p2p_no_go_freq( 3188 const struct global_parse_data *data, 3189 struct wpa_config *config, int line, const char *pos) 3190 { 3191 int ret; 3192 3193 ret = freq_range_list_parse(&config->p2p_no_go_freq, pos); 3194 if (ret < 0) { 3195 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_no_go_freq", line); 3196 return -1; 3197 } 3198 3199 wpa_printf(MSG_DEBUG, "P2P: p2p_no_go_freq with %u items", 3200 config->p2p_no_go_freq.num); 3201 3202 return 0; 3203 } 3204 3205 #endif /* CONFIG_P2P */ 3206 3207 3208 static int wpa_config_process_hessid( 3209 const struct global_parse_data *data, 3210 struct wpa_config *config, int line, const char *pos) 3211 { 3212 if (hwaddr_aton2(pos, config->hessid) < 0) { 3213 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'", 3214 line, pos); 3215 return -1; 3216 } 3217 3218 return 0; 3219 } 3220 3221 3222 static int wpa_config_process_sae_groups( 3223 const struct global_parse_data *data, 3224 struct wpa_config *config, int line, const char *pos) 3225 { 3226 int *groups = wpa_config_parse_int_array(pos); 3227 if (groups == NULL) { 3228 wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'", 3229 line, pos); 3230 return -1; 3231 } 3232 3233 os_free(config->sae_groups); 3234 config->sae_groups = groups; 3235 3236 return 0; 3237 } 3238 3239 3240 static int wpa_config_process_ap_vendor_elements( 3241 const struct global_parse_data *data, 3242 struct wpa_config *config, int line, const char *pos) 3243 { 3244 struct wpabuf *tmp; 3245 int len = os_strlen(pos) / 2; 3246 u8 *p; 3247 3248 if (!len) { 3249 wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements", 3250 line); 3251 return -1; 3252 } 3253 3254 tmp = wpabuf_alloc(len); 3255 if (tmp) { 3256 p = wpabuf_put(tmp, len); 3257 3258 if (hexstr2bin(pos, p, len)) { 3259 wpa_printf(MSG_ERROR, "Line %d: invalid " 3260 "ap_vendor_elements", line); 3261 wpabuf_free(tmp); 3262 return -1; 3263 } 3264 3265 wpabuf_free(config->ap_vendor_elements); 3266 config->ap_vendor_elements = tmp; 3267 } else { 3268 wpa_printf(MSG_ERROR, "Cannot allocate memory for " 3269 "ap_vendor_elements"); 3270 return -1; 3271 } 3272 3273 return 0; 3274 } 3275 3276 3277 #ifdef CONFIG_CTRL_IFACE 3278 static int wpa_config_process_no_ctrl_interface( 3279 const struct global_parse_data *data, 3280 struct wpa_config *config, int line, const char *pos) 3281 { 3282 wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL"); 3283 os_free(config->ctrl_interface); 3284 config->ctrl_interface = NULL; 3285 return 0; 3286 } 3287 #endif /* CONFIG_CTRL_IFACE */ 3288 3289 3290 #ifdef OFFSET 3291 #undef OFFSET 3292 #endif /* OFFSET */ 3293 /* OFFSET: Get offset of a variable within the wpa_config structure */ 3294 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v) 3295 3296 #define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL 3297 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL 3298 #define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f) 3299 #define INT(f) _INT(f), NULL, NULL 3300 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max 3301 #define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f) 3302 #define STR(f) _STR(f), NULL, NULL 3303 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max 3304 #define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL 3305 #define IPV4(f) #f, wpa_global_config_parse_ipv4, OFFSET(f), NULL, NULL 3306 3307 static const struct global_parse_data global_fields[] = { 3308 #ifdef CONFIG_CTRL_IFACE 3309 { STR(ctrl_interface), 0 }, 3310 { FUNC_NO_VAR(no_ctrl_interface), 0 }, 3311 { STR(ctrl_interface_group), 0 } /* deprecated */, 3312 #endif /* CONFIG_CTRL_IFACE */ 3313 { INT_RANGE(eapol_version, 1, 2), 0 }, 3314 { INT(ap_scan), 0 }, 3315 { FUNC(bgscan), 0 }, 3316 { INT(disable_scan_offload), 0 }, 3317 { INT(fast_reauth), 0 }, 3318 { STR(opensc_engine_path), 0 }, 3319 { STR(pkcs11_engine_path), 0 }, 3320 { STR(pkcs11_module_path), 0 }, 3321 { STR(pcsc_reader), 0 }, 3322 { STR(pcsc_pin), 0 }, 3323 { INT(external_sim), 0 }, 3324 { STR(driver_param), 0 }, 3325 { INT(dot11RSNAConfigPMKLifetime), 0 }, 3326 { INT(dot11RSNAConfigPMKReauthThreshold), 0 }, 3327 { INT(dot11RSNAConfigSATimeout), 0 }, 3328 #ifndef CONFIG_NO_CONFIG_WRITE 3329 { INT(update_config), 0 }, 3330 #endif /* CONFIG_NO_CONFIG_WRITE */ 3331 { FUNC_NO_VAR(load_dynamic_eap), 0 }, 3332 #ifdef CONFIG_WPS 3333 { FUNC(uuid), CFG_CHANGED_UUID }, 3334 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME }, 3335 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING }, 3336 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING }, 3337 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING }, 3338 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING }, 3339 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE }, 3340 { FUNC(os_version), CFG_CHANGED_OS_VERSION }, 3341 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS }, 3342 { INT_RANGE(wps_cred_processing, 0, 2), 0 }, 3343 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION }, 3344 #endif /* CONFIG_WPS */ 3345 #ifdef CONFIG_P2P 3346 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE }, 3347 { INT(p2p_listen_reg_class), 0 }, 3348 { INT(p2p_listen_channel), 0 }, 3349 { INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL }, 3350 { INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL }, 3351 { INT_RANGE(p2p_go_intent, 0, 15), 0 }, 3352 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX }, 3353 { INT_RANGE(persistent_reconnect, 0, 1), 0 }, 3354 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS }, 3355 { INT(p2p_group_idle), 0 }, 3356 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN }, 3357 { FUNC(p2p_no_go_freq), CFG_CHANGED_P2P_PREF_CHAN }, 3358 { INT_RANGE(p2p_add_cli_chan, 0, 1), 0 }, 3359 { INT(p2p_go_ht40), 0 }, 3360 { INT(p2p_go_vht), 0 }, 3361 { INT(p2p_disabled), 0 }, 3362 { INT(p2p_no_group_iface), 0 }, 3363 { INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 }, 3364 { IPV4(ip_addr_go), 0 }, 3365 { IPV4(ip_addr_mask), 0 }, 3366 { IPV4(ip_addr_start), 0 }, 3367 { IPV4(ip_addr_end), 0 }, 3368 #endif /* CONFIG_P2P */ 3369 { FUNC(country), CFG_CHANGED_COUNTRY }, 3370 { INT(bss_max_count), 0 }, 3371 { INT(bss_expiration_age), 0 }, 3372 { INT(bss_expiration_scan_count), 0 }, 3373 { INT_RANGE(filter_ssids, 0, 1), 0 }, 3374 { INT_RANGE(filter_rssi, -100, 0), 0 }, 3375 { INT(max_num_sta), 0 }, 3376 { INT_RANGE(disassoc_low_ack, 0, 1), 0 }, 3377 #ifdef CONFIG_HS20 3378 { INT_RANGE(hs20, 0, 1), 0 }, 3379 #endif /* CONFIG_HS20 */ 3380 { INT_RANGE(interworking, 0, 1), 0 }, 3381 { FUNC(hessid), 0 }, 3382 { INT_RANGE(access_network_type, 0, 15), 0 }, 3383 { INT_RANGE(pbc_in_m1, 0, 1), 0 }, 3384 { STR(autoscan), 0 }, 3385 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 3386 CFG_CHANGED_NFC_PASSWORD_TOKEN }, 3387 { BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 3388 { BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 3389 { BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 3390 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND }, 3391 { INT(p2p_go_max_inactivity), 0 }, 3392 { INT_RANGE(auto_interworking, 0, 1), 0 }, 3393 { INT(okc), 0 }, 3394 { INT(pmf), 0 }, 3395 { FUNC(sae_groups), 0 }, 3396 { INT(dtim_period), 0 }, 3397 { INT(beacon_int), 0 }, 3398 { FUNC(ap_vendor_elements), 0 }, 3399 { INT_RANGE(ignore_old_scan_res, 0, 1), 0 }, 3400 { FUNC(freq_list), 0 }, 3401 { INT(scan_cur_freq), 0 }, 3402 { INT(sched_scan_interval), 0 }, 3403 { INT(tdls_external_control), 0}, 3404 }; 3405 3406 #undef FUNC 3407 #undef _INT 3408 #undef INT 3409 #undef INT_RANGE 3410 #undef _STR 3411 #undef STR 3412 #undef STR_RANGE 3413 #undef BIN 3414 #undef IPV4 3415 #define NUM_GLOBAL_FIELDS ARRAY_SIZE(global_fields) 3416 3417 3418 int wpa_config_process_global(struct wpa_config *config, char *pos, int line) 3419 { 3420 size_t i; 3421 int ret = 0; 3422 3423 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) { 3424 const struct global_parse_data *field = &global_fields[i]; 3425 size_t flen = os_strlen(field->name); 3426 if (os_strncmp(pos, field->name, flen) != 0 || 3427 pos[flen] != '=') 3428 continue; 3429 3430 if (field->parser(field, config, line, pos + flen + 1)) { 3431 wpa_printf(MSG_ERROR, "Line %d: failed to " 3432 "parse '%s'.", line, pos); 3433 ret = -1; 3434 } 3435 if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN) 3436 config->wps_nfc_pw_from_config = 1; 3437 config->changed_parameters |= field->changed_flag; 3438 break; 3439 } 3440 if (i == NUM_GLOBAL_FIELDS) { 3441 #ifdef CONFIG_AP 3442 if (os_strncmp(pos, "wmm_ac_", 7) == 0) { 3443 char *tmp = os_strchr(pos, '='); 3444 if (tmp == NULL) { 3445 if (line < 0) 3446 return -1; 3447 wpa_printf(MSG_ERROR, "Line %d: invalid line " 3448 "'%s'", line, pos); 3449 return -1; 3450 } 3451 *tmp++ = '\0'; 3452 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos, 3453 tmp)) { 3454 wpa_printf(MSG_ERROR, "Line %d: invalid WMM " 3455 "AC item", line); 3456 return -1; 3457 } 3458 } 3459 #endif /* CONFIG_AP */ 3460 if (line < 0) 3461 return -1; 3462 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.", 3463 line, pos); 3464 ret = -1; 3465 } 3466 3467 return ret; 3468 } 3469