config.c revision ff787d557db719adea0fdf2679667500c65cf74d
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 */ 30struct 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 57static 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 104set: 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 117static 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 133static 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 146static 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 158static 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 178static 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 216static char * wpa_config_write_int(const struct parse_data *data, 217 struct wpa_ssid *ssid) 218{ 219 int *src, res; 220 char *value; 221 222 src = (int *) (((u8 *) ssid) + (long) data->param1); 223 224 value = os_malloc(20); 225 if (value == NULL) 226 return NULL; 227 res = os_snprintf(value, 20, "%d", *src); 228 if (os_snprintf_error(20, res)) { 229 os_free(value); 230 return NULL; 231 } 232 value[20 - 1] = '\0'; 233 return value; 234} 235#endif /* NO_CONFIG_WRITE */ 236 237 238static int wpa_config_parse_addr_list(const struct parse_data *data, 239 int line, const char *value, 240 u8 **list, size_t *num, char *name, 241 u8 abort_on_error, u8 masked) 242{ 243 const char *pos; 244 u8 *buf, *n, addr[2 * ETH_ALEN]; 245 size_t count; 246 247 buf = NULL; 248 count = 0; 249 250 pos = value; 251 while (pos && *pos) { 252 while (*pos == ' ') 253 pos++; 254 255 if (hwaddr_masked_aton(pos, addr, &addr[ETH_ALEN], masked)) { 256 if (abort_on_error || count == 0) { 257 wpa_printf(MSG_ERROR, 258 "Line %d: Invalid %s address '%s'", 259 line, name, value); 260 os_free(buf); 261 return -1; 262 } 263 /* continue anyway since this could have been from a 264 * truncated configuration file line */ 265 wpa_printf(MSG_INFO, 266 "Line %d: Ignore likely truncated %s address '%s'", 267 line, name, pos); 268 } else { 269 n = os_realloc_array(buf, count + 1, 2 * ETH_ALEN); 270 if (n == NULL) { 271 os_free(buf); 272 return -1; 273 } 274 buf = n; 275 os_memmove(buf + 2 * ETH_ALEN, buf, 276 count * 2 * ETH_ALEN); 277 os_memcpy(buf, addr, 2 * ETH_ALEN); 278 count++; 279 wpa_printf(MSG_MSGDUMP, 280 "%s: addr=" MACSTR " mask=" MACSTR, 281 name, MAC2STR(addr), 282 MAC2STR(&addr[ETH_ALEN])); 283 } 284 285 pos = os_strchr(pos, ' '); 286 } 287 288 os_free(*list); 289 *list = buf; 290 *num = count; 291 292 return 0; 293} 294 295 296#ifndef NO_CONFIG_WRITE 297static char * wpa_config_write_addr_list(const struct parse_data *data, 298 const u8 *list, size_t num, char *name) 299{ 300 char *value, *end, *pos; 301 int res; 302 size_t i; 303 304 if (list == NULL || num == 0) 305 return NULL; 306 307 value = os_malloc(2 * 20 * num); 308 if (value == NULL) 309 return NULL; 310 pos = value; 311 end = value + 2 * 20 * num; 312 313 for (i = num; i > 0; i--) { 314 const u8 *a = list + (i - 1) * 2 * ETH_ALEN; 315 const u8 *m = a + ETH_ALEN; 316 317 if (i < num) 318 *pos++ = ' '; 319 res = hwaddr_mask_txt(pos, end - pos, a, m); 320 if (res < 0) { 321 os_free(value); 322 return NULL; 323 } 324 pos += res; 325 } 326 327 return value; 328} 329#endif /* NO_CONFIG_WRITE */ 330 331static int wpa_config_parse_bssid(const struct parse_data *data, 332 struct wpa_ssid *ssid, int line, 333 const char *value) 334{ 335 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 || 336 os_strcmp(value, "any") == 0) { 337 ssid->bssid_set = 0; 338 wpa_printf(MSG_MSGDUMP, "BSSID any"); 339 return 0; 340 } 341 if (hwaddr_aton(value, ssid->bssid)) { 342 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.", 343 line, value); 344 return -1; 345 } 346 ssid->bssid_set = 1; 347 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN); 348 return 0; 349} 350 351 352#ifndef NO_CONFIG_WRITE 353static char * wpa_config_write_bssid(const struct parse_data *data, 354 struct wpa_ssid *ssid) 355{ 356 char *value; 357 int res; 358 359 if (!ssid->bssid_set) 360 return NULL; 361 362 value = os_malloc(20); 363 if (value == NULL) 364 return NULL; 365 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid)); 366 if (os_snprintf_error(20, res)) { 367 os_free(value); 368 return NULL; 369 } 370 value[20 - 1] = '\0'; 371 return value; 372} 373#endif /* NO_CONFIG_WRITE */ 374 375 376static int wpa_config_parse_bssid_blacklist(const struct parse_data *data, 377 struct wpa_ssid *ssid, int line, 378 const char *value) 379{ 380 return wpa_config_parse_addr_list(data, line, value, 381 &ssid->bssid_blacklist, 382 &ssid->num_bssid_blacklist, 383 "bssid_blacklist", 1, 1); 384} 385 386 387#ifndef NO_CONFIG_WRITE 388static char * wpa_config_write_bssid_blacklist(const struct parse_data *data, 389 struct wpa_ssid *ssid) 390{ 391 return wpa_config_write_addr_list(data, ssid->bssid_blacklist, 392 ssid->num_bssid_blacklist, 393 "bssid_blacklist"); 394} 395#endif /* NO_CONFIG_WRITE */ 396 397 398static int wpa_config_parse_bssid_whitelist(const struct parse_data *data, 399 struct wpa_ssid *ssid, int line, 400 const char *value) 401{ 402 return wpa_config_parse_addr_list(data, line, value, 403 &ssid->bssid_whitelist, 404 &ssid->num_bssid_whitelist, 405 "bssid_whitelist", 1, 1); 406} 407 408 409#ifndef NO_CONFIG_WRITE 410static char * wpa_config_write_bssid_whitelist(const struct parse_data *data, 411 struct wpa_ssid *ssid) 412{ 413 return wpa_config_write_addr_list(data, ssid->bssid_whitelist, 414 ssid->num_bssid_whitelist, 415 "bssid_whitelist"); 416} 417#endif /* NO_CONFIG_WRITE */ 418 419 420static int wpa_config_parse_psk(const struct parse_data *data, 421 struct wpa_ssid *ssid, int line, 422 const char *value) 423{ 424#ifdef CONFIG_EXT_PASSWORD 425 if (os_strncmp(value, "ext:", 4) == 0) { 426 str_clear_free(ssid->passphrase); 427 ssid->passphrase = NULL; 428 ssid->psk_set = 0; 429 os_free(ssid->ext_psk); 430 ssid->ext_psk = os_strdup(value + 4); 431 if (ssid->ext_psk == NULL) 432 return -1; 433 wpa_printf(MSG_DEBUG, "PSK: External password '%s'", 434 ssid->ext_psk); 435 return 0; 436 } 437#endif /* CONFIG_EXT_PASSWORD */ 438 439 if (*value == '"') { 440#ifndef CONFIG_NO_PBKDF2 441 const char *pos; 442 size_t len; 443 444 value++; 445 pos = os_strrchr(value, '"'); 446 if (pos) 447 len = pos - value; 448 else 449 len = os_strlen(value); 450 if (len < 8 || len > 63) { 451 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase " 452 "length %lu (expected: 8..63) '%s'.", 453 line, (unsigned long) len, value); 454 return -1; 455 } 456 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)", 457 (u8 *) value, len); 458 if (ssid->passphrase && os_strlen(ssid->passphrase) == len && 459 os_memcmp(ssid->passphrase, value, len) == 0) 460 return 0; 461 ssid->psk_set = 0; 462 str_clear_free(ssid->passphrase); 463 ssid->passphrase = dup_binstr(value, len); 464 if (ssid->passphrase == NULL) 465 return -1; 466 return 0; 467#else /* CONFIG_NO_PBKDF2 */ 468 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not " 469 "supported.", line); 470 return -1; 471#endif /* CONFIG_NO_PBKDF2 */ 472 } 473 474 if (hexstr2bin(value, ssid->psk, PMK_LEN) || 475 value[PMK_LEN * 2] != '\0') { 476 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.", 477 line, value); 478 return -1; 479 } 480 481 str_clear_free(ssid->passphrase); 482 ssid->passphrase = NULL; 483 484 ssid->psk_set = 1; 485 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN); 486 return 0; 487} 488 489 490#ifndef NO_CONFIG_WRITE 491static char * wpa_config_write_psk(const struct parse_data *data, 492 struct wpa_ssid *ssid) 493{ 494#ifdef CONFIG_EXT_PASSWORD 495 if (ssid->ext_psk) { 496 size_t len = 4 + os_strlen(ssid->ext_psk) + 1; 497 char *buf = os_malloc(len); 498 int res; 499 500 if (buf == NULL) 501 return NULL; 502 res = os_snprintf(buf, len, "ext:%s", ssid->ext_psk); 503 if (os_snprintf_error(len, res)) { 504 os_free(buf); 505 buf = NULL; 506 } 507 return buf; 508 } 509#endif /* CONFIG_EXT_PASSWORD */ 510 511 if (ssid->passphrase) 512 return wpa_config_write_string_ascii( 513 (const u8 *) ssid->passphrase, 514 os_strlen(ssid->passphrase)); 515 516 if (ssid->psk_set) 517 return wpa_config_write_string_hex(ssid->psk, PMK_LEN); 518 519 return NULL; 520} 521#endif /* NO_CONFIG_WRITE */ 522 523 524static int wpa_config_parse_proto(const struct parse_data *data, 525 struct wpa_ssid *ssid, int line, 526 const char *value) 527{ 528 int val = 0, last, errors = 0; 529 char *start, *end, *buf; 530 531 buf = os_strdup(value); 532 if (buf == NULL) 533 return -1; 534 start = buf; 535 536 while (*start != '\0') { 537 while (*start == ' ' || *start == '\t') 538 start++; 539 if (*start == '\0') 540 break; 541 end = start; 542 while (*end != ' ' && *end != '\t' && *end != '\0') 543 end++; 544 last = *end == '\0'; 545 *end = '\0'; 546 if (os_strcmp(start, "WPA") == 0) 547 val |= WPA_PROTO_WPA; 548 else if (os_strcmp(start, "RSN") == 0 || 549 os_strcmp(start, "WPA2") == 0) 550 val |= WPA_PROTO_RSN; 551 else if (os_strcmp(start, "OSEN") == 0) 552 val |= WPA_PROTO_OSEN; 553 else { 554 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'", 555 line, start); 556 errors++; 557 } 558 559 if (last) 560 break; 561 start = end + 1; 562 } 563 os_free(buf); 564 565 if (val == 0) { 566 wpa_printf(MSG_ERROR, 567 "Line %d: no proto values configured.", line); 568 errors++; 569 } 570 571 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val); 572 ssid->proto = val; 573 return errors ? -1 : 0; 574} 575 576 577#ifndef NO_CONFIG_WRITE 578static char * wpa_config_write_proto(const struct parse_data *data, 579 struct wpa_ssid *ssid) 580{ 581 int ret; 582 char *buf, *pos, *end; 583 584 pos = buf = os_zalloc(20); 585 if (buf == NULL) 586 return NULL; 587 end = buf + 20; 588 589 if (ssid->proto & WPA_PROTO_WPA) { 590 ret = os_snprintf(pos, end - pos, "%sWPA", 591 pos == buf ? "" : " "); 592 if (os_snprintf_error(end - pos, ret)) 593 return buf; 594 pos += ret; 595 } 596 597 if (ssid->proto & WPA_PROTO_RSN) { 598 ret = os_snprintf(pos, end - pos, "%sRSN", 599 pos == buf ? "" : " "); 600 if (os_snprintf_error(end - pos, ret)) 601 return buf; 602 pos += ret; 603 } 604 605 if (ssid->proto & WPA_PROTO_OSEN) { 606 ret = os_snprintf(pos, end - pos, "%sOSEN", 607 pos == buf ? "" : " "); 608 if (os_snprintf_error(end - pos, ret)) 609 return buf; 610 pos += ret; 611 } 612 613 if (pos == buf) { 614 os_free(buf); 615 buf = NULL; 616 } 617 618 return buf; 619} 620#endif /* NO_CONFIG_WRITE */ 621 622 623static int wpa_config_parse_key_mgmt(const struct parse_data *data, 624 struct wpa_ssid *ssid, int line, 625 const char *value) 626{ 627 int val = 0, last, errors = 0; 628 char *start, *end, *buf; 629 630 buf = os_strdup(value); 631 if (buf == NULL) 632 return -1; 633 start = buf; 634 635 while (*start != '\0') { 636 while (*start == ' ' || *start == '\t') 637 start++; 638 if (*start == '\0') 639 break; 640 end = start; 641 while (*end != ' ' && *end != '\t' && *end != '\0') 642 end++; 643 last = *end == '\0'; 644 *end = '\0'; 645 if (os_strcmp(start, "WPA-PSK") == 0) 646 val |= WPA_KEY_MGMT_PSK; 647 else if (os_strcmp(start, "WPA-EAP") == 0) 648 val |= WPA_KEY_MGMT_IEEE8021X; 649 else if (os_strcmp(start, "IEEE8021X") == 0) 650 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA; 651 else if (os_strcmp(start, "NONE") == 0) 652 val |= WPA_KEY_MGMT_NONE; 653 else if (os_strcmp(start, "WPA-NONE") == 0) 654 val |= WPA_KEY_MGMT_WPA_NONE; 655#ifdef CONFIG_IEEE80211R 656 else if (os_strcmp(start, "FT-PSK") == 0) 657 val |= WPA_KEY_MGMT_FT_PSK; 658 else if (os_strcmp(start, "FT-EAP") == 0) 659 val |= WPA_KEY_MGMT_FT_IEEE8021X; 660#endif /* CONFIG_IEEE80211R */ 661#ifdef CONFIG_IEEE80211W 662 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0) 663 val |= WPA_KEY_MGMT_PSK_SHA256; 664 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0) 665 val |= WPA_KEY_MGMT_IEEE8021X_SHA256; 666#endif /* CONFIG_IEEE80211W */ 667#ifdef CONFIG_WPS 668 else if (os_strcmp(start, "WPS") == 0) 669 val |= WPA_KEY_MGMT_WPS; 670#endif /* CONFIG_WPS */ 671#ifdef CONFIG_SAE 672 else if (os_strcmp(start, "SAE") == 0) 673 val |= WPA_KEY_MGMT_SAE; 674 else if (os_strcmp(start, "FT-SAE") == 0) 675 val |= WPA_KEY_MGMT_FT_SAE; 676#endif /* CONFIG_SAE */ 677#ifdef CONFIG_HS20 678 else if (os_strcmp(start, "OSEN") == 0) 679 val |= WPA_KEY_MGMT_OSEN; 680#endif /* CONFIG_HS20 */ 681 else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0) 682 val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B; 683 else { 684 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'", 685 line, start); 686 errors++; 687 } 688 689 if (last) 690 break; 691 start = end + 1; 692 } 693 os_free(buf); 694 695 if (val == 0) { 696 wpa_printf(MSG_ERROR, 697 "Line %d: no key_mgmt values configured.", line); 698 errors++; 699 } 700 701 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val); 702 ssid->key_mgmt = val; 703 return errors ? -1 : 0; 704} 705 706 707#ifndef NO_CONFIG_WRITE 708static char * wpa_config_write_key_mgmt(const struct parse_data *data, 709 struct wpa_ssid *ssid) 710{ 711 char *buf, *pos, *end; 712 int ret; 713 714 pos = buf = os_zalloc(100); 715 if (buf == NULL) 716 return NULL; 717 end = buf + 100; 718 719 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { 720 ret = os_snprintf(pos, end - pos, "%sWPA-PSK", 721 pos == buf ? "" : " "); 722 if (os_snprintf_error(end - pos, ret)) { 723 end[-1] = '\0'; 724 return buf; 725 } 726 pos += ret; 727 } 728 729 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) { 730 ret = os_snprintf(pos, end - pos, "%sWPA-EAP", 731 pos == buf ? "" : " "); 732 if (os_snprintf_error(end - pos, ret)) { 733 end[-1] = '\0'; 734 return buf; 735 } 736 pos += ret; 737 } 738 739 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) { 740 ret = os_snprintf(pos, end - pos, "%sIEEE8021X", 741 pos == buf ? "" : " "); 742 if (os_snprintf_error(end - pos, ret)) { 743 end[-1] = '\0'; 744 return buf; 745 } 746 pos += ret; 747 } 748 749 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) { 750 ret = os_snprintf(pos, end - pos, "%sNONE", 751 pos == buf ? "" : " "); 752 if (os_snprintf_error(end - pos, ret)) { 753 end[-1] = '\0'; 754 return buf; 755 } 756 pos += ret; 757 } 758 759 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) { 760 ret = os_snprintf(pos, end - pos, "%sWPA-NONE", 761 pos == buf ? "" : " "); 762 if (os_snprintf_error(end - pos, ret)) { 763 end[-1] = '\0'; 764 return buf; 765 } 766 pos += ret; 767 } 768 769#ifdef CONFIG_IEEE80211R 770 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK) { 771 ret = os_snprintf(pos, end - pos, "%sFT-PSK", 772 pos == buf ? "" : " "); 773 if (os_snprintf_error(end - pos, ret)) { 774 end[-1] = '\0'; 775 return buf; 776 } 777 pos += ret; 778 } 779 780 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) { 781 ret = os_snprintf(pos, end - pos, "%sFT-EAP", 782 pos == buf ? "" : " "); 783 if (os_snprintf_error(end - pos, ret)) { 784 end[-1] = '\0'; 785 return buf; 786 } 787 pos += ret; 788 } 789#endif /* CONFIG_IEEE80211R */ 790 791#ifdef CONFIG_IEEE80211W 792 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256) { 793 ret = os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256", 794 pos == buf ? "" : " "); 795 if (os_snprintf_error(end - pos, ret)) { 796 end[-1] = '\0'; 797 return buf; 798 } 799 pos += ret; 800 } 801 802 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) { 803 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256", 804 pos == buf ? "" : " "); 805 if (os_snprintf_error(end - pos, ret)) { 806 end[-1] = '\0'; 807 return buf; 808 } 809 pos += ret; 810 } 811#endif /* CONFIG_IEEE80211W */ 812 813#ifdef CONFIG_WPS 814 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 815 ret = os_snprintf(pos, end - pos, "%sWPS", 816 pos == buf ? "" : " "); 817 if (os_snprintf_error(end - pos, ret)) { 818 end[-1] = '\0'; 819 return buf; 820 } 821 pos += ret; 822 } 823#endif /* CONFIG_WPS */ 824 825#ifdef CONFIG_SAE 826 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) { 827 ret = os_snprintf(pos, end - pos, "%sSAE", 828 pos == buf ? "" : " "); 829 if (os_snprintf_error(end - pos, ret)) { 830 end[-1] = '\0'; 831 return buf; 832 } 833 pos += ret; 834 } 835 836 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_SAE) { 837 ret = os_snprintf(pos, end - pos, "%sFT-SAE", 838 pos == buf ? "" : " "); 839 if (os_snprintf_error(end - pos, ret)) { 840 end[-1] = '\0'; 841 return buf; 842 } 843 pos += ret; 844 } 845#endif /* CONFIG_SAE */ 846 847#ifdef CONFIG_HS20 848 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) { 849 ret = os_snprintf(pos, end - pos, "%sOSEN", 850 pos == buf ? "" : " "); 851 if (os_snprintf_error(end - pos, ret)) { 852 end[-1] = '\0'; 853 return buf; 854 } 855 pos += ret; 856 } 857#endif /* CONFIG_HS20 */ 858 859 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { 860 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B", 861 pos == buf ? "" : " "); 862 if (os_snprintf_error(end - pos, ret)) { 863 end[-1] = '\0'; 864 return buf; 865 } 866 pos += ret; 867 } 868 869 if (pos == buf) { 870 os_free(buf); 871 buf = NULL; 872 } 873 874 return buf; 875} 876#endif /* NO_CONFIG_WRITE */ 877 878 879static int wpa_config_parse_cipher(int line, const char *value) 880{ 881 int val = wpa_parse_cipher(value); 882 if (val < 0) { 883 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.", 884 line, value); 885 return -1; 886 } 887 if (val == 0) { 888 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.", 889 line); 890 return -1; 891 } 892 return val; 893} 894 895 896#ifndef NO_CONFIG_WRITE 897static char * wpa_config_write_cipher(int cipher) 898{ 899 char *buf = os_zalloc(50); 900 if (buf == NULL) 901 return NULL; 902 903 if (wpa_write_ciphers(buf, buf + 50, cipher, " ") < 0) { 904 os_free(buf); 905 return NULL; 906 } 907 908 return buf; 909} 910#endif /* NO_CONFIG_WRITE */ 911 912 913static int wpa_config_parse_pairwise(const struct parse_data *data, 914 struct wpa_ssid *ssid, int line, 915 const char *value) 916{ 917 int val; 918 val = wpa_config_parse_cipher(line, value); 919 if (val == -1) 920 return -1; 921 if (val & ~WPA_ALLOWED_PAIRWISE_CIPHERS) { 922 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher " 923 "(0x%x).", line, val); 924 return -1; 925 } 926 927 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val); 928 ssid->pairwise_cipher = val; 929 return 0; 930} 931 932 933#ifndef NO_CONFIG_WRITE 934static char * wpa_config_write_pairwise(const struct parse_data *data, 935 struct wpa_ssid *ssid) 936{ 937 return wpa_config_write_cipher(ssid->pairwise_cipher); 938} 939#endif /* NO_CONFIG_WRITE */ 940 941 942static int wpa_config_parse_group(const struct parse_data *data, 943 struct wpa_ssid *ssid, int line, 944 const char *value) 945{ 946 int val; 947 val = wpa_config_parse_cipher(line, value); 948 if (val == -1) 949 return -1; 950 if (val & ~WPA_ALLOWED_GROUP_CIPHERS) { 951 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher " 952 "(0x%x).", line, val); 953 return -1; 954 } 955 956 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val); 957 ssid->group_cipher = val; 958 return 0; 959} 960 961 962#ifndef NO_CONFIG_WRITE 963static char * wpa_config_write_group(const struct parse_data *data, 964 struct wpa_ssid *ssid) 965{ 966 return wpa_config_write_cipher(ssid->group_cipher); 967} 968#endif /* NO_CONFIG_WRITE */ 969 970 971static int wpa_config_parse_auth_alg(const struct parse_data *data, 972 struct wpa_ssid *ssid, int line, 973 const char *value) 974{ 975 int val = 0, last, errors = 0; 976 char *start, *end, *buf; 977 978 buf = os_strdup(value); 979 if (buf == NULL) 980 return -1; 981 start = buf; 982 983 while (*start != '\0') { 984 while (*start == ' ' || *start == '\t') 985 start++; 986 if (*start == '\0') 987 break; 988 end = start; 989 while (*end != ' ' && *end != '\t' && *end != '\0') 990 end++; 991 last = *end == '\0'; 992 *end = '\0'; 993 if (os_strcmp(start, "OPEN") == 0) 994 val |= WPA_AUTH_ALG_OPEN; 995 else if (os_strcmp(start, "SHARED") == 0) 996 val |= WPA_AUTH_ALG_SHARED; 997 else if (os_strcmp(start, "LEAP") == 0) 998 val |= WPA_AUTH_ALG_LEAP; 999 else { 1000 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'", 1001 line, start); 1002 errors++; 1003 } 1004 1005 if (last) 1006 break; 1007 start = end + 1; 1008 } 1009 os_free(buf); 1010 1011 if (val == 0) { 1012 wpa_printf(MSG_ERROR, 1013 "Line %d: no auth_alg values configured.", line); 1014 errors++; 1015 } 1016 1017 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val); 1018 ssid->auth_alg = val; 1019 return errors ? -1 : 0; 1020} 1021 1022 1023#ifndef NO_CONFIG_WRITE 1024static char * wpa_config_write_auth_alg(const struct parse_data *data, 1025 struct wpa_ssid *ssid) 1026{ 1027 char *buf, *pos, *end; 1028 int ret; 1029 1030 pos = buf = os_zalloc(30); 1031 if (buf == NULL) 1032 return NULL; 1033 end = buf + 30; 1034 1035 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) { 1036 ret = os_snprintf(pos, end - pos, "%sOPEN", 1037 pos == buf ? "" : " "); 1038 if (os_snprintf_error(end - pos, ret)) { 1039 end[-1] = '\0'; 1040 return buf; 1041 } 1042 pos += ret; 1043 } 1044 1045 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) { 1046 ret = os_snprintf(pos, end - pos, "%sSHARED", 1047 pos == buf ? "" : " "); 1048 if (os_snprintf_error(end - pos, ret)) { 1049 end[-1] = '\0'; 1050 return buf; 1051 } 1052 pos += ret; 1053 } 1054 1055 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) { 1056 ret = os_snprintf(pos, end - pos, "%sLEAP", 1057 pos == buf ? "" : " "); 1058 if (os_snprintf_error(end - pos, ret)) { 1059 end[-1] = '\0'; 1060 return buf; 1061 } 1062 pos += ret; 1063 } 1064 1065 if (pos == buf) { 1066 os_free(buf); 1067 buf = NULL; 1068 } 1069 1070 return buf; 1071} 1072#endif /* NO_CONFIG_WRITE */ 1073 1074 1075static int * wpa_config_parse_int_array(const char *value) 1076{ 1077 int *freqs; 1078 size_t used, len; 1079 const char *pos; 1080 1081 used = 0; 1082 len = 10; 1083 freqs = os_calloc(len + 1, sizeof(int)); 1084 if (freqs == NULL) 1085 return NULL; 1086 1087 pos = value; 1088 while (pos) { 1089 while (*pos == ' ') 1090 pos++; 1091 if (used == len) { 1092 int *n; 1093 size_t i; 1094 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int)); 1095 if (n == NULL) { 1096 os_free(freqs); 1097 return NULL; 1098 } 1099 for (i = len; i <= len * 2; i++) 1100 n[i] = 0; 1101 freqs = n; 1102 len *= 2; 1103 } 1104 1105 freqs[used] = atoi(pos); 1106 if (freqs[used] == 0) 1107 break; 1108 used++; 1109 pos = os_strchr(pos + 1, ' '); 1110 } 1111 1112 return freqs; 1113} 1114 1115 1116static int wpa_config_parse_scan_freq(const struct parse_data *data, 1117 struct wpa_ssid *ssid, int line, 1118 const char *value) 1119{ 1120 int *freqs; 1121 1122 freqs = wpa_config_parse_int_array(value); 1123 if (freqs == NULL) 1124 return -1; 1125 if (freqs[0] == 0) { 1126 os_free(freqs); 1127 freqs = NULL; 1128 } 1129 os_free(ssid->scan_freq); 1130 ssid->scan_freq = freqs; 1131 1132 return 0; 1133} 1134 1135 1136static int wpa_config_parse_freq_list(const struct parse_data *data, 1137 struct wpa_ssid *ssid, int line, 1138 const char *value) 1139{ 1140 int *freqs; 1141 1142 freqs = wpa_config_parse_int_array(value); 1143 if (freqs == NULL) 1144 return -1; 1145 if (freqs[0] == 0) { 1146 os_free(freqs); 1147 freqs = NULL; 1148 } 1149 os_free(ssid->freq_list); 1150 ssid->freq_list = freqs; 1151 1152 return 0; 1153} 1154 1155 1156#ifndef NO_CONFIG_WRITE 1157static char * wpa_config_write_freqs(const struct parse_data *data, 1158 const int *freqs) 1159{ 1160 char *buf, *pos, *end; 1161 int i, ret; 1162 size_t count; 1163 1164 if (freqs == NULL) 1165 return NULL; 1166 1167 count = 0; 1168 for (i = 0; freqs[i]; i++) 1169 count++; 1170 1171 pos = buf = os_zalloc(10 * count + 1); 1172 if (buf == NULL) 1173 return NULL; 1174 end = buf + 10 * count + 1; 1175 1176 for (i = 0; freqs[i]; i++) { 1177 ret = os_snprintf(pos, end - pos, "%s%u", 1178 i == 0 ? "" : " ", freqs[i]); 1179 if (os_snprintf_error(end - pos, ret)) { 1180 end[-1] = '\0'; 1181 return buf; 1182 } 1183 pos += ret; 1184 } 1185 1186 return buf; 1187} 1188 1189 1190static char * wpa_config_write_scan_freq(const struct parse_data *data, 1191 struct wpa_ssid *ssid) 1192{ 1193 return wpa_config_write_freqs(data, ssid->scan_freq); 1194} 1195 1196 1197static char * wpa_config_write_freq_list(const struct parse_data *data, 1198 struct wpa_ssid *ssid) 1199{ 1200 return wpa_config_write_freqs(data, ssid->freq_list); 1201} 1202#endif /* NO_CONFIG_WRITE */ 1203 1204 1205#ifdef IEEE8021X_EAPOL 1206static int wpa_config_parse_eap(const struct parse_data *data, 1207 struct wpa_ssid *ssid, int line, 1208 const char *value) 1209{ 1210 int last, errors = 0; 1211 char *start, *end, *buf; 1212 struct eap_method_type *methods = NULL, *tmp; 1213 size_t num_methods = 0; 1214 1215 buf = os_strdup(value); 1216 if (buf == NULL) 1217 return -1; 1218 start = buf; 1219 1220 while (*start != '\0') { 1221 while (*start == ' ' || *start == '\t') 1222 start++; 1223 if (*start == '\0') 1224 break; 1225 end = start; 1226 while (*end != ' ' && *end != '\t' && *end != '\0') 1227 end++; 1228 last = *end == '\0'; 1229 *end = '\0'; 1230 tmp = methods; 1231 methods = os_realloc_array(methods, num_methods + 1, 1232 sizeof(*methods)); 1233 if (methods == NULL) { 1234 os_free(tmp); 1235 os_free(buf); 1236 return -1; 1237 } 1238 methods[num_methods].method = eap_peer_get_type( 1239 start, &methods[num_methods].vendor); 1240 if (methods[num_methods].vendor == EAP_VENDOR_IETF && 1241 methods[num_methods].method == EAP_TYPE_NONE) { 1242 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method " 1243 "'%s'", line, start); 1244 wpa_printf(MSG_ERROR, "You may need to add support for" 1245 " this EAP method during wpa_supplicant\n" 1246 "build time configuration.\n" 1247 "See README for more information."); 1248 errors++; 1249 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF && 1250 methods[num_methods].method == EAP_TYPE_LEAP) 1251 ssid->leap++; 1252 else 1253 ssid->non_leap++; 1254 num_methods++; 1255 if (last) 1256 break; 1257 start = end + 1; 1258 } 1259 os_free(buf); 1260 1261 tmp = methods; 1262 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods)); 1263 if (methods == NULL) { 1264 os_free(tmp); 1265 return -1; 1266 } 1267 methods[num_methods].vendor = EAP_VENDOR_IETF; 1268 methods[num_methods].method = EAP_TYPE_NONE; 1269 num_methods++; 1270 1271 wpa_hexdump(MSG_MSGDUMP, "eap methods", 1272 (u8 *) methods, num_methods * sizeof(*methods)); 1273 os_free(ssid->eap.eap_methods); 1274 ssid->eap.eap_methods = methods; 1275 return errors ? -1 : 0; 1276} 1277 1278 1279static char * wpa_config_write_eap(const struct parse_data *data, 1280 struct wpa_ssid *ssid) 1281{ 1282 int i, ret; 1283 char *buf, *pos, *end; 1284 const struct eap_method_type *eap_methods = ssid->eap.eap_methods; 1285 const char *name; 1286 1287 if (eap_methods == NULL) 1288 return NULL; 1289 1290 pos = buf = os_zalloc(100); 1291 if (buf == NULL) 1292 return NULL; 1293 end = buf + 100; 1294 1295 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF || 1296 eap_methods[i].method != EAP_TYPE_NONE; i++) { 1297 name = eap_get_name(eap_methods[i].vendor, 1298 eap_methods[i].method); 1299 if (name) { 1300 ret = os_snprintf(pos, end - pos, "%s%s", 1301 pos == buf ? "" : " ", name); 1302 if (os_snprintf_error(end - pos, ret)) 1303 break; 1304 pos += ret; 1305 } 1306 } 1307 1308 end[-1] = '\0'; 1309 1310 return buf; 1311} 1312 1313 1314static int wpa_config_parse_password(const struct parse_data *data, 1315 struct wpa_ssid *ssid, int line, 1316 const char *value) 1317{ 1318 u8 *hash; 1319 1320 if (os_strcmp(value, "NULL") == 0) { 1321 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'"); 1322 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1323 ssid->eap.password = NULL; 1324 ssid->eap.password_len = 0; 1325 return 0; 1326 } 1327 1328#ifdef CONFIG_EXT_PASSWORD 1329 if (os_strncmp(value, "ext:", 4) == 0) { 1330 char *name = os_strdup(value + 4); 1331 if (name == NULL) 1332 return -1; 1333 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1334 ssid->eap.password = (u8 *) name; 1335 ssid->eap.password_len = os_strlen(name); 1336 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1337 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD; 1338 return 0; 1339 } 1340#endif /* CONFIG_EXT_PASSWORD */ 1341 1342 if (os_strncmp(value, "hash:", 5) != 0) { 1343 char *tmp; 1344 size_t res_len; 1345 1346 tmp = wpa_config_parse_string(value, &res_len); 1347 if (tmp == NULL) { 1348 wpa_printf(MSG_ERROR, "Line %d: failed to parse " 1349 "password.", line); 1350 return -1; 1351 } 1352 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name, 1353 (u8 *) tmp, res_len); 1354 1355 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1356 ssid->eap.password = (u8 *) tmp; 1357 ssid->eap.password_len = res_len; 1358 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1359 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD; 1360 1361 return 0; 1362 } 1363 1364 1365 /* NtPasswordHash: hash:<32 hex digits> */ 1366 if (os_strlen(value + 5) != 2 * 16) { 1367 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length " 1368 "(expected 32 hex digits)", line); 1369 return -1; 1370 } 1371 1372 hash = os_malloc(16); 1373 if (hash == NULL) 1374 return -1; 1375 1376 if (hexstr2bin(value + 5, hash, 16)) { 1377 os_free(hash); 1378 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line); 1379 return -1; 1380 } 1381 1382 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16); 1383 1384 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1385 ssid->eap.password = hash; 1386 ssid->eap.password_len = 16; 1387 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1388 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD; 1389 1390 return 0; 1391} 1392 1393 1394static char * wpa_config_write_password(const struct parse_data *data, 1395 struct wpa_ssid *ssid) 1396{ 1397 char *buf; 1398 1399 if (ssid->eap.password == NULL) 1400 return NULL; 1401 1402#ifdef CONFIG_EXT_PASSWORD 1403 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) { 1404 buf = os_zalloc(4 + ssid->eap.password_len + 1); 1405 if (buf == NULL) 1406 return NULL; 1407 os_memcpy(buf, "ext:", 4); 1408 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len); 1409 return buf; 1410 } 1411#endif /* CONFIG_EXT_PASSWORD */ 1412 1413 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) { 1414 return wpa_config_write_string( 1415 ssid->eap.password, ssid->eap.password_len); 1416 } 1417 1418 buf = os_malloc(5 + 32 + 1); 1419 if (buf == NULL) 1420 return NULL; 1421 1422 os_memcpy(buf, "hash:", 5); 1423 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16); 1424 1425 return buf; 1426} 1427#endif /* IEEE8021X_EAPOL */ 1428 1429 1430static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line, 1431 const char *value, int idx) 1432{ 1433 char *buf, title[20]; 1434 int res; 1435 1436 buf = wpa_config_parse_string(value, len); 1437 if (buf == NULL) { 1438 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.", 1439 line, idx, value); 1440 return -1; 1441 } 1442 if (*len > MAX_WEP_KEY_LEN) { 1443 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.", 1444 line, idx, value); 1445 os_free(buf); 1446 return -1; 1447 } 1448 if (*len && *len != 5 && *len != 13 && *len != 16) { 1449 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - " 1450 "this network block will be ignored", 1451 line, (unsigned int) *len); 1452 } 1453 os_memcpy(key, buf, *len); 1454 str_clear_free(buf); 1455 res = os_snprintf(title, sizeof(title), "wep_key%d", idx); 1456 if (!os_snprintf_error(sizeof(title), res)) 1457 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len); 1458 return 0; 1459} 1460 1461 1462static int wpa_config_parse_wep_key0(const struct parse_data *data, 1463 struct wpa_ssid *ssid, int line, 1464 const char *value) 1465{ 1466 return wpa_config_parse_wep_key(ssid->wep_key[0], 1467 &ssid->wep_key_len[0], line, 1468 value, 0); 1469} 1470 1471 1472static int wpa_config_parse_wep_key1(const struct parse_data *data, 1473 struct wpa_ssid *ssid, int line, 1474 const char *value) 1475{ 1476 return wpa_config_parse_wep_key(ssid->wep_key[1], 1477 &ssid->wep_key_len[1], line, 1478 value, 1); 1479} 1480 1481 1482static int wpa_config_parse_wep_key2(const struct parse_data *data, 1483 struct wpa_ssid *ssid, int line, 1484 const char *value) 1485{ 1486 return wpa_config_parse_wep_key(ssid->wep_key[2], 1487 &ssid->wep_key_len[2], line, 1488 value, 2); 1489} 1490 1491 1492static int wpa_config_parse_wep_key3(const struct parse_data *data, 1493 struct wpa_ssid *ssid, int line, 1494 const char *value) 1495{ 1496 return wpa_config_parse_wep_key(ssid->wep_key[3], 1497 &ssid->wep_key_len[3], line, 1498 value, 3); 1499} 1500 1501 1502#ifndef NO_CONFIG_WRITE 1503static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx) 1504{ 1505 if (ssid->wep_key_len[idx] == 0) 1506 return NULL; 1507 return wpa_config_write_string(ssid->wep_key[idx], 1508 ssid->wep_key_len[idx]); 1509} 1510 1511 1512static char * wpa_config_write_wep_key0(const struct parse_data *data, 1513 struct wpa_ssid *ssid) 1514{ 1515 return wpa_config_write_wep_key(ssid, 0); 1516} 1517 1518 1519static char * wpa_config_write_wep_key1(const struct parse_data *data, 1520 struct wpa_ssid *ssid) 1521{ 1522 return wpa_config_write_wep_key(ssid, 1); 1523} 1524 1525 1526static char * wpa_config_write_wep_key2(const struct parse_data *data, 1527 struct wpa_ssid *ssid) 1528{ 1529 return wpa_config_write_wep_key(ssid, 2); 1530} 1531 1532 1533static char * wpa_config_write_wep_key3(const struct parse_data *data, 1534 struct wpa_ssid *ssid) 1535{ 1536 return wpa_config_write_wep_key(ssid, 3); 1537} 1538#endif /* NO_CONFIG_WRITE */ 1539 1540 1541#ifdef CONFIG_P2P 1542 1543static int wpa_config_parse_go_p2p_dev_addr(const struct parse_data *data, 1544 struct wpa_ssid *ssid, int line, 1545 const char *value) 1546{ 1547 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 || 1548 os_strcmp(value, "any") == 0) { 1549 os_memset(ssid->go_p2p_dev_addr, 0, ETH_ALEN); 1550 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address any"); 1551 return 0; 1552 } 1553 if (hwaddr_aton(value, ssid->go_p2p_dev_addr)) { 1554 wpa_printf(MSG_ERROR, "Line %d: Invalid GO P2P Device Address '%s'.", 1555 line, value); 1556 return -1; 1557 } 1558 ssid->bssid_set = 1; 1559 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address " MACSTR, 1560 MAC2STR(ssid->go_p2p_dev_addr)); 1561 return 0; 1562} 1563 1564 1565#ifndef NO_CONFIG_WRITE 1566static char * wpa_config_write_go_p2p_dev_addr(const struct parse_data *data, 1567 struct wpa_ssid *ssid) 1568{ 1569 char *value; 1570 int res; 1571 1572 if (is_zero_ether_addr(ssid->go_p2p_dev_addr)) 1573 return NULL; 1574 1575 value = os_malloc(20); 1576 if (value == NULL) 1577 return NULL; 1578 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->go_p2p_dev_addr)); 1579 if (os_snprintf_error(20, res)) { 1580 os_free(value); 1581 return NULL; 1582 } 1583 value[20 - 1] = '\0'; 1584 return value; 1585} 1586#endif /* NO_CONFIG_WRITE */ 1587 1588 1589static int wpa_config_parse_p2p_client_list(const struct parse_data *data, 1590 struct wpa_ssid *ssid, int line, 1591 const char *value) 1592{ 1593 return wpa_config_parse_addr_list(data, line, value, 1594 &ssid->p2p_client_list, 1595 &ssid->num_p2p_clients, 1596 "p2p_client_list", 0, 0); 1597} 1598 1599 1600#ifndef NO_CONFIG_WRITE 1601static char * wpa_config_write_p2p_client_list(const struct parse_data *data, 1602 struct wpa_ssid *ssid) 1603{ 1604 return wpa_config_write_addr_list(data, ssid->p2p_client_list, 1605 ssid->num_p2p_clients, 1606 "p2p_client_list"); 1607} 1608#endif /* NO_CONFIG_WRITE */ 1609 1610 1611static int wpa_config_parse_psk_list(const struct parse_data *data, 1612 struct wpa_ssid *ssid, int line, 1613 const char *value) 1614{ 1615 struct psk_list_entry *p; 1616 const char *pos; 1617 1618 p = os_zalloc(sizeof(*p)); 1619 if (p == NULL) 1620 return -1; 1621 1622 pos = value; 1623 if (os_strncmp(pos, "P2P-", 4) == 0) { 1624 p->p2p = 1; 1625 pos += 4; 1626 } 1627 1628 if (hwaddr_aton(pos, p->addr)) { 1629 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list address '%s'", 1630 line, pos); 1631 os_free(p); 1632 return -1; 1633 } 1634 pos += 17; 1635 if (*pos != '-') { 1636 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list '%s'", 1637 line, pos); 1638 os_free(p); 1639 return -1; 1640 } 1641 pos++; 1642 1643 if (hexstr2bin(pos, p->psk, PMK_LEN) || pos[PMK_LEN * 2] != '\0') { 1644 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list PSK '%s'", 1645 line, pos); 1646 os_free(p); 1647 return -1; 1648 } 1649 1650 dl_list_add(&ssid->psk_list, &p->list); 1651 1652 return 0; 1653} 1654 1655 1656#ifndef NO_CONFIG_WRITE 1657static char * wpa_config_write_psk_list(const struct parse_data *data, 1658 struct wpa_ssid *ssid) 1659{ 1660 return NULL; 1661} 1662#endif /* NO_CONFIG_WRITE */ 1663 1664#endif /* CONFIG_P2P */ 1665 1666 1667#ifdef CONFIG_MESH 1668 1669static int wpa_config_parse_mesh_basic_rates(const struct parse_data *data, 1670 struct wpa_ssid *ssid, int line, 1671 const char *value) 1672{ 1673 int *rates = wpa_config_parse_int_array(value); 1674 1675 if (rates == NULL) { 1676 wpa_printf(MSG_ERROR, "Line %d: Invalid mesh_basic_rates '%s'", 1677 line, value); 1678 return -1; 1679 } 1680 if (rates[0] == 0) { 1681 os_free(rates); 1682 rates = NULL; 1683 } 1684 1685 os_free(ssid->mesh_basic_rates); 1686 ssid->mesh_basic_rates = rates; 1687 1688 return 0; 1689} 1690 1691 1692#ifndef NO_CONFIG_WRITE 1693 1694static char * wpa_config_write_mesh_basic_rates(const struct parse_data *data, 1695 struct wpa_ssid *ssid) 1696{ 1697 return wpa_config_write_freqs(data, ssid->mesh_basic_rates); 1698} 1699 1700#endif /* NO_CONFIG_WRITE */ 1701 1702#endif /* CONFIG_MESH */ 1703 1704 1705/* Helper macros for network block parser */ 1706 1707#ifdef OFFSET 1708#undef OFFSET 1709#endif /* OFFSET */ 1710/* OFFSET: Get offset of a variable within the wpa_ssid structure */ 1711#define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v) 1712 1713/* STR: Define a string variable for an ASCII string; f = field name */ 1714#ifdef NO_CONFIG_WRITE 1715#define _STR(f) #f, wpa_config_parse_str, OFFSET(f) 1716#define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f) 1717#else /* NO_CONFIG_WRITE */ 1718#define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f) 1719#define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f) 1720#endif /* NO_CONFIG_WRITE */ 1721#define STR(f) _STR(f), NULL, NULL, NULL, 0 1722#define STRe(f) _STRe(f), NULL, NULL, NULL, 0 1723#define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1 1724#define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1 1725 1726/* STR_LEN: Define a string variable with a separate variable for storing the 1727 * data length. Unlike STR(), this can be used to store arbitrary binary data 1728 * (i.e., even nul termination character). */ 1729#define _STR_LEN(f) _STR(f), OFFSET(f ## _len) 1730#define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len) 1731#define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0 1732#define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0 1733#define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1 1734 1735/* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length 1736 * explicitly specified. */ 1737#define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max) 1738#define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0 1739#define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1 1740 1741#ifdef NO_CONFIG_WRITE 1742#define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0 1743#define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0 1744#else /* NO_CONFIG_WRITE */ 1745#define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \ 1746 OFFSET(f), (void *) 0 1747#define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \ 1748 OFFSET(eap.f), (void *) 0 1749#endif /* NO_CONFIG_WRITE */ 1750 1751/* INT: Define an integer variable */ 1752#define INT(f) _INT(f), NULL, NULL, 0 1753#define INTe(f) _INTe(f), NULL, NULL, 0 1754 1755/* INT_RANGE: Define an integer variable with allowed value range */ 1756#define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0 1757 1758/* FUNC: Define a configuration variable that uses a custom function for 1759 * parsing and writing the value. */ 1760#ifdef NO_CONFIG_WRITE 1761#define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL 1762#else /* NO_CONFIG_WRITE */ 1763#define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \ 1764 NULL, NULL, NULL, NULL 1765#endif /* NO_CONFIG_WRITE */ 1766#define FUNC(f) _FUNC(f), 0 1767#define FUNC_KEY(f) _FUNC(f), 1 1768 1769/* 1770 * Table of network configuration variables. This table is used to parse each 1771 * network configuration variable, e.g., each line in wpa_supplicant.conf file 1772 * that is inside a network block. 1773 * 1774 * This table is generated using the helper macros defined above and with 1775 * generous help from the C pre-processor. The field name is stored as a string 1776 * into .name and for STR and INT types, the offset of the target buffer within 1777 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar 1778 * offset to the field containing the length of the configuration variable. 1779 * .param3 and .param4 can be used to mark the allowed range (length for STR 1780 * and value for INT). 1781 * 1782 * For each configuration line in wpa_supplicant.conf, the parser goes through 1783 * this table and select the entry that matches with the field name. The parser 1784 * function (.parser) is then called to parse the actual value of the field. 1785 * 1786 * This kind of mechanism makes it easy to add new configuration parameters, 1787 * since only one line needs to be added into this table and into the 1788 * struct wpa_ssid definition if the new variable is either a string or 1789 * integer. More complex types will need to use their own parser and writer 1790 * functions. 1791 */ 1792static const struct parse_data ssid_fields[] = { 1793 { STR_RANGE(ssid, 0, MAX_SSID_LEN) }, 1794 { INT_RANGE(scan_ssid, 0, 1) }, 1795 { FUNC(bssid) }, 1796 { FUNC(bssid_blacklist) }, 1797 { FUNC(bssid_whitelist) }, 1798 { FUNC_KEY(psk) }, 1799 { FUNC(proto) }, 1800 { FUNC(key_mgmt) }, 1801 { INT(bg_scan_period) }, 1802 { FUNC(pairwise) }, 1803 { FUNC(group) }, 1804 { FUNC(auth_alg) }, 1805 { FUNC(scan_freq) }, 1806 { FUNC(freq_list) }, 1807#ifdef IEEE8021X_EAPOL 1808 { FUNC(eap) }, 1809 { STR_LENe(identity) }, 1810 { STR_LENe(anonymous_identity) }, 1811 { FUNC_KEY(password) }, 1812 { STRe(ca_cert) }, 1813 { STRe(ca_path) }, 1814 { STRe(client_cert) }, 1815 { STRe(private_key) }, 1816 { STR_KEYe(private_key_passwd) }, 1817 { STRe(dh_file) }, 1818 { STRe(subject_match) }, 1819 { STRe(altsubject_match) }, 1820 { STRe(domain_suffix_match) }, 1821 { STRe(ca_cert2) }, 1822 { STRe(ca_path2) }, 1823 { STRe(client_cert2) }, 1824 { STRe(private_key2) }, 1825 { STR_KEYe(private_key2_passwd) }, 1826 { STRe(dh_file2) }, 1827 { STRe(subject_match2) }, 1828 { STRe(altsubject_match2) }, 1829 { STRe(domain_suffix_match2) }, 1830 { STRe(phase1) }, 1831 { STRe(phase2) }, 1832 { STRe(pcsc) }, 1833 { STR_KEYe(pin) }, 1834 { STRe(engine_id) }, 1835 { STRe(key_id) }, 1836 { STRe(cert_id) }, 1837 { STRe(ca_cert_id) }, 1838 { STR_KEYe(pin2) }, 1839 { STRe(engine2_id) }, 1840 { STRe(key2_id) }, 1841 { STRe(cert2_id) }, 1842 { STRe(ca_cert2_id) }, 1843 { INTe(engine) }, 1844 { INTe(engine2) }, 1845 { INT(eapol_flags) }, 1846 { INTe(sim_num) }, 1847 { STRe(openssl_ciphers) }, 1848 { INTe(erp) }, 1849#endif /* IEEE8021X_EAPOL */ 1850 { FUNC_KEY(wep_key0) }, 1851 { FUNC_KEY(wep_key1) }, 1852 { FUNC_KEY(wep_key2) }, 1853 { FUNC_KEY(wep_key3) }, 1854 { INT(wep_tx_keyidx) }, 1855 { INT(priority) }, 1856#ifdef IEEE8021X_EAPOL 1857 { INT(eap_workaround) }, 1858 { STRe(pac_file) }, 1859 { INTe(fragment_size) }, 1860 { INTe(ocsp) }, 1861#endif /* IEEE8021X_EAPOL */ 1862#ifdef CONFIG_MESH 1863 { INT_RANGE(mode, 0, 5) }, 1864 { INT_RANGE(no_auto_peer, 0, 1) }, 1865#else /* CONFIG_MESH */ 1866 { INT_RANGE(mode, 0, 4) }, 1867#endif /* CONFIG_MESH */ 1868 { INT_RANGE(proactive_key_caching, 0, 1) }, 1869 { INT_RANGE(disabled, 0, 2) }, 1870 { STR(id_str) }, 1871#ifdef CONFIG_IEEE80211W 1872 { INT_RANGE(ieee80211w, 0, 2) }, 1873#endif /* CONFIG_IEEE80211W */ 1874 { INT_RANGE(peerkey, 0, 1) }, 1875 { INT_RANGE(mixed_cell, 0, 1) }, 1876 { INT_RANGE(frequency, 0, 65000) }, 1877#ifdef CONFIG_MESH 1878 { FUNC(mesh_basic_rates) }, 1879 { INT(dot11MeshMaxRetries) }, 1880 { INT(dot11MeshRetryTimeout) }, 1881 { INT(dot11MeshConfirmTimeout) }, 1882 { INT(dot11MeshHoldingTimeout) }, 1883#endif /* CONFIG_MESH */ 1884 { INT(wpa_ptk_rekey) }, 1885 { STR(bgscan) }, 1886 { INT_RANGE(ignore_broadcast_ssid, 0, 2) }, 1887#ifdef CONFIG_P2P 1888 { FUNC(go_p2p_dev_addr) }, 1889 { FUNC(p2p_client_list) }, 1890 { FUNC(psk_list) }, 1891#endif /* CONFIG_P2P */ 1892#ifdef CONFIG_HT_OVERRIDES 1893 { INT_RANGE(disable_ht, 0, 1) }, 1894 { INT_RANGE(disable_ht40, -1, 1) }, 1895 { INT_RANGE(disable_sgi, 0, 1) }, 1896 { INT_RANGE(disable_ldpc, 0, 1) }, 1897 { INT_RANGE(ht40_intolerant, 0, 1) }, 1898 { INT_RANGE(disable_max_amsdu, -1, 1) }, 1899 { INT_RANGE(ampdu_factor, -1, 3) }, 1900 { INT_RANGE(ampdu_density, -1, 7) }, 1901 { STR(ht_mcs) }, 1902#endif /* CONFIG_HT_OVERRIDES */ 1903#ifdef CONFIG_VHT_OVERRIDES 1904 { INT_RANGE(disable_vht, 0, 1) }, 1905 { INT(vht_capa) }, 1906 { INT(vht_capa_mask) }, 1907 { INT_RANGE(vht_rx_mcs_nss_1, -1, 3) }, 1908 { INT_RANGE(vht_rx_mcs_nss_2, -1, 3) }, 1909 { INT_RANGE(vht_rx_mcs_nss_3, -1, 3) }, 1910 { INT_RANGE(vht_rx_mcs_nss_4, -1, 3) }, 1911 { INT_RANGE(vht_rx_mcs_nss_5, -1, 3) }, 1912 { INT_RANGE(vht_rx_mcs_nss_6, -1, 3) }, 1913 { INT_RANGE(vht_rx_mcs_nss_7, -1, 3) }, 1914 { INT_RANGE(vht_rx_mcs_nss_8, -1, 3) }, 1915 { INT_RANGE(vht_tx_mcs_nss_1, -1, 3) }, 1916 { INT_RANGE(vht_tx_mcs_nss_2, -1, 3) }, 1917 { INT_RANGE(vht_tx_mcs_nss_3, -1, 3) }, 1918 { INT_RANGE(vht_tx_mcs_nss_4, -1, 3) }, 1919 { INT_RANGE(vht_tx_mcs_nss_5, -1, 3) }, 1920 { INT_RANGE(vht_tx_mcs_nss_6, -1, 3) }, 1921 { INT_RANGE(vht_tx_mcs_nss_7, -1, 3) }, 1922 { INT_RANGE(vht_tx_mcs_nss_8, -1, 3) }, 1923#endif /* CONFIG_VHT_OVERRIDES */ 1924 { INT(ap_max_inactivity) }, 1925 { INT(dtim_period) }, 1926 { INT(beacon_int) }, 1927#ifdef CONFIG_MACSEC 1928 { INT_RANGE(macsec_policy, 0, 1) }, 1929#endif /* CONFIG_MACSEC */ 1930#ifdef CONFIG_HS20 1931 { INT(update_identifier) }, 1932#endif /* CONFIG_HS20 */ 1933 { INT_RANGE(mac_addr, 0, 2) }, 1934}; 1935 1936#undef OFFSET 1937#undef _STR 1938#undef STR 1939#undef STR_KEY 1940#undef _STR_LEN 1941#undef STR_LEN 1942#undef STR_LEN_KEY 1943#undef _STR_RANGE 1944#undef STR_RANGE 1945#undef STR_RANGE_KEY 1946#undef _INT 1947#undef INT 1948#undef INT_RANGE 1949#undef _FUNC 1950#undef FUNC 1951#undef FUNC_KEY 1952#define NUM_SSID_FIELDS ARRAY_SIZE(ssid_fields) 1953 1954 1955/** 1956 * wpa_config_add_prio_network - Add a network to priority lists 1957 * @config: Configuration data from wpa_config_read() 1958 * @ssid: Pointer to the network configuration to be added to the list 1959 * Returns: 0 on success, -1 on failure 1960 * 1961 * This function is used to add a network block to the priority list of 1962 * networks. This must be called for each network when reading in the full 1963 * configuration. In addition, this can be used indirectly when updating 1964 * priorities by calling wpa_config_update_prio_list(). 1965 */ 1966int wpa_config_add_prio_network(struct wpa_config *config, 1967 struct wpa_ssid *ssid) 1968{ 1969 int prio; 1970 struct wpa_ssid *prev, **nlist; 1971 1972 /* 1973 * Add to an existing priority list if one is available for the 1974 * configured priority level for this network. 1975 */ 1976 for (prio = 0; prio < config->num_prio; prio++) { 1977 prev = config->pssid[prio]; 1978 if (prev->priority == ssid->priority) { 1979 while (prev->pnext) 1980 prev = prev->pnext; 1981 prev->pnext = ssid; 1982 return 0; 1983 } 1984 } 1985 1986 /* First network for this priority - add a new priority list */ 1987 nlist = os_realloc_array(config->pssid, config->num_prio + 1, 1988 sizeof(struct wpa_ssid *)); 1989 if (nlist == NULL) 1990 return -1; 1991 1992 for (prio = 0; prio < config->num_prio; prio++) { 1993 if (nlist[prio]->priority < ssid->priority) { 1994 os_memmove(&nlist[prio + 1], &nlist[prio], 1995 (config->num_prio - prio) * 1996 sizeof(struct wpa_ssid *)); 1997 break; 1998 } 1999 } 2000 2001 nlist[prio] = ssid; 2002 config->num_prio++; 2003 config->pssid = nlist; 2004 2005 return 0; 2006} 2007 2008 2009/** 2010 * wpa_config_update_prio_list - Update network priority list 2011 * @config: Configuration data from wpa_config_read() 2012 * Returns: 0 on success, -1 on failure 2013 * 2014 * This function is called to update the priority list of networks in the 2015 * configuration when a network is being added or removed. This is also called 2016 * if a priority for a network is changed. 2017 */ 2018int wpa_config_update_prio_list(struct wpa_config *config) 2019{ 2020 struct wpa_ssid *ssid; 2021 int ret = 0; 2022 2023 os_free(config->pssid); 2024 config->pssid = NULL; 2025 config->num_prio = 0; 2026 2027 ssid = config->ssid; 2028 while (ssid) { 2029 ssid->pnext = NULL; 2030 if (wpa_config_add_prio_network(config, ssid) < 0) 2031 ret = -1; 2032 ssid = ssid->next; 2033 } 2034 2035 return ret; 2036} 2037 2038 2039#ifdef IEEE8021X_EAPOL 2040static void eap_peer_config_free(struct eap_peer_config *eap) 2041{ 2042 os_free(eap->eap_methods); 2043 bin_clear_free(eap->identity, eap->identity_len); 2044 os_free(eap->anonymous_identity); 2045 bin_clear_free(eap->password, eap->password_len); 2046 os_free(eap->ca_cert); 2047 os_free(eap->ca_path); 2048 os_free(eap->client_cert); 2049 os_free(eap->private_key); 2050 str_clear_free(eap->private_key_passwd); 2051 os_free(eap->dh_file); 2052 os_free(eap->subject_match); 2053 os_free(eap->altsubject_match); 2054 os_free(eap->domain_suffix_match); 2055 os_free(eap->ca_cert2); 2056 os_free(eap->ca_path2); 2057 os_free(eap->client_cert2); 2058 os_free(eap->private_key2); 2059 str_clear_free(eap->private_key2_passwd); 2060 os_free(eap->dh_file2); 2061 os_free(eap->subject_match2); 2062 os_free(eap->altsubject_match2); 2063 os_free(eap->domain_suffix_match2); 2064 os_free(eap->phase1); 2065 os_free(eap->phase2); 2066 os_free(eap->pcsc); 2067 str_clear_free(eap->pin); 2068 os_free(eap->engine_id); 2069 os_free(eap->key_id); 2070 os_free(eap->cert_id); 2071 os_free(eap->ca_cert_id); 2072 os_free(eap->key2_id); 2073 os_free(eap->cert2_id); 2074 os_free(eap->ca_cert2_id); 2075 str_clear_free(eap->pin2); 2076 os_free(eap->engine2_id); 2077 os_free(eap->otp); 2078 os_free(eap->pending_req_otp); 2079 os_free(eap->pac_file); 2080 bin_clear_free(eap->new_password, eap->new_password_len); 2081 str_clear_free(eap->external_sim_resp); 2082 os_free(eap->openssl_ciphers); 2083} 2084#endif /* IEEE8021X_EAPOL */ 2085 2086 2087/** 2088 * wpa_config_free_ssid - Free network/ssid configuration data 2089 * @ssid: Configuration data for the network 2090 * 2091 * This function frees all resources allocated for the network configuration 2092 * data. 2093 */ 2094void wpa_config_free_ssid(struct wpa_ssid *ssid) 2095{ 2096 struct psk_list_entry *psk; 2097 2098 os_free(ssid->ssid); 2099 str_clear_free(ssid->passphrase); 2100 os_free(ssid->ext_psk); 2101#ifdef IEEE8021X_EAPOL 2102 eap_peer_config_free(&ssid->eap); 2103#endif /* IEEE8021X_EAPOL */ 2104 os_free(ssid->id_str); 2105 os_free(ssid->scan_freq); 2106 os_free(ssid->freq_list); 2107 os_free(ssid->bgscan); 2108 os_free(ssid->p2p_client_list); 2109 os_free(ssid->bssid_blacklist); 2110 os_free(ssid->bssid_whitelist); 2111#ifdef CONFIG_HT_OVERRIDES 2112 os_free(ssid->ht_mcs); 2113#endif /* CONFIG_HT_OVERRIDES */ 2114#ifdef CONFIG_MESH 2115 os_free(ssid->mesh_basic_rates); 2116#endif /* CONFIG_MESH */ 2117 while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry, 2118 list))) { 2119 dl_list_del(&psk->list); 2120 bin_clear_free(psk, sizeof(*psk)); 2121 } 2122 bin_clear_free(ssid, sizeof(*ssid)); 2123} 2124 2125 2126void wpa_config_free_cred(struct wpa_cred *cred) 2127{ 2128 size_t i; 2129 2130 os_free(cred->realm); 2131 str_clear_free(cred->username); 2132 str_clear_free(cred->password); 2133 os_free(cred->ca_cert); 2134 os_free(cred->client_cert); 2135 os_free(cred->private_key); 2136 str_clear_free(cred->private_key_passwd); 2137 os_free(cred->imsi); 2138 str_clear_free(cred->milenage); 2139 for (i = 0; i < cred->num_domain; i++) 2140 os_free(cred->domain[i]); 2141 os_free(cred->domain); 2142 os_free(cred->domain_suffix_match); 2143 os_free(cred->eap_method); 2144 os_free(cred->phase1); 2145 os_free(cred->phase2); 2146 os_free(cred->excluded_ssid); 2147 os_free(cred->roaming_partner); 2148 os_free(cred->provisioning_sp); 2149 for (i = 0; i < cred->num_req_conn_capab; i++) 2150 os_free(cred->req_conn_capab_port[i]); 2151 os_free(cred->req_conn_capab_port); 2152 os_free(cred->req_conn_capab_proto); 2153 os_free(cred); 2154} 2155 2156 2157void wpa_config_flush_blobs(struct wpa_config *config) 2158{ 2159#ifndef CONFIG_NO_CONFIG_BLOBS 2160 struct wpa_config_blob *blob, *prev; 2161 2162 blob = config->blobs; 2163 config->blobs = NULL; 2164 while (blob) { 2165 prev = blob; 2166 blob = blob->next; 2167 wpa_config_free_blob(prev); 2168 } 2169#endif /* CONFIG_NO_CONFIG_BLOBS */ 2170} 2171 2172 2173/** 2174 * wpa_config_free - Free configuration data 2175 * @config: Configuration data from wpa_config_read() 2176 * 2177 * This function frees all resources allocated for the configuration data by 2178 * wpa_config_read(). 2179 */ 2180void wpa_config_free(struct wpa_config *config) 2181{ 2182 struct wpa_ssid *ssid, *prev = NULL; 2183 struct wpa_cred *cred, *cprev; 2184 int i; 2185 2186 ssid = config->ssid; 2187 while (ssid) { 2188 prev = ssid; 2189 ssid = ssid->next; 2190 wpa_config_free_ssid(prev); 2191 } 2192 2193 cred = config->cred; 2194 while (cred) { 2195 cprev = cred; 2196 cred = cred->next; 2197 wpa_config_free_cred(cprev); 2198 } 2199 2200 wpa_config_flush_blobs(config); 2201 2202 wpabuf_free(config->wps_vendor_ext_m1); 2203 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) 2204 wpabuf_free(config->wps_vendor_ext[i]); 2205 os_free(config->ctrl_interface); 2206 os_free(config->ctrl_interface_group); 2207 os_free(config->opensc_engine_path); 2208 os_free(config->pkcs11_engine_path); 2209 os_free(config->pkcs11_module_path); 2210 os_free(config->openssl_ciphers); 2211 os_free(config->pcsc_reader); 2212 str_clear_free(config->pcsc_pin); 2213 os_free(config->driver_param); 2214 os_free(config->device_name); 2215 os_free(config->manufacturer); 2216 os_free(config->model_name); 2217 os_free(config->model_number); 2218 os_free(config->serial_number); 2219 os_free(config->config_methods); 2220 os_free(config->p2p_ssid_postfix); 2221 os_free(config->pssid); 2222 os_free(config->p2p_pref_chan); 2223 os_free(config->p2p_no_go_freq.range); 2224 os_free(config->autoscan); 2225 os_free(config->freq_list); 2226 wpabuf_free(config->wps_nfc_dh_pubkey); 2227 wpabuf_free(config->wps_nfc_dh_privkey); 2228 wpabuf_free(config->wps_nfc_dev_pw); 2229 os_free(config->ext_password_backend); 2230 os_free(config->sae_groups); 2231 wpabuf_free(config->ap_vendor_elements); 2232 os_free(config->osu_dir); 2233 os_free(config->wowlan_triggers); 2234 os_free(config); 2235} 2236 2237 2238/** 2239 * wpa_config_foreach_network - Iterate over each configured network 2240 * @config: Configuration data from wpa_config_read() 2241 * @func: Callback function to process each network 2242 * @arg: Opaque argument to pass to callback function 2243 * 2244 * Iterate over the set of configured networks calling the specified 2245 * function for each item. We guard against callbacks removing the 2246 * supplied network. 2247 */ 2248void wpa_config_foreach_network(struct wpa_config *config, 2249 void (*func)(void *, struct wpa_ssid *), 2250 void *arg) 2251{ 2252 struct wpa_ssid *ssid, *next; 2253 2254 ssid = config->ssid; 2255 while (ssid) { 2256 next = ssid->next; 2257 func(arg, ssid); 2258 ssid = next; 2259 } 2260} 2261 2262 2263/** 2264 * wpa_config_get_network - Get configured network based on id 2265 * @config: Configuration data from wpa_config_read() 2266 * @id: Unique network id to search for 2267 * Returns: Network configuration or %NULL if not found 2268 */ 2269struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id) 2270{ 2271 struct wpa_ssid *ssid; 2272 2273 ssid = config->ssid; 2274 while (ssid) { 2275 if (id == ssid->id) 2276 break; 2277 ssid = ssid->next; 2278 } 2279 2280 return ssid; 2281} 2282 2283 2284/** 2285 * wpa_config_add_network - Add a new network with empty configuration 2286 * @config: Configuration data from wpa_config_read() 2287 * Returns: The new network configuration or %NULL if operation failed 2288 */ 2289struct wpa_ssid * wpa_config_add_network(struct wpa_config *config) 2290{ 2291 int id; 2292 struct wpa_ssid *ssid, *last = NULL; 2293 2294 id = -1; 2295 ssid = config->ssid; 2296 while (ssid) { 2297 if (ssid->id > id) 2298 id = ssid->id; 2299 last = ssid; 2300 ssid = ssid->next; 2301 } 2302 id++; 2303 2304 ssid = os_zalloc(sizeof(*ssid)); 2305 if (ssid == NULL) 2306 return NULL; 2307 ssid->id = id; 2308 dl_list_init(&ssid->psk_list); 2309 if (last) 2310 last->next = ssid; 2311 else 2312 config->ssid = ssid; 2313 2314 wpa_config_update_prio_list(config); 2315 2316 return ssid; 2317} 2318 2319 2320/** 2321 * wpa_config_remove_network - Remove a configured network based on id 2322 * @config: Configuration data from wpa_config_read() 2323 * @id: Unique network id to search for 2324 * Returns: 0 on success, or -1 if the network was not found 2325 */ 2326int wpa_config_remove_network(struct wpa_config *config, int id) 2327{ 2328 struct wpa_ssid *ssid, *prev = NULL; 2329 2330 ssid = config->ssid; 2331 while (ssid) { 2332 if (id == ssid->id) 2333 break; 2334 prev = ssid; 2335 ssid = ssid->next; 2336 } 2337 2338 if (ssid == NULL) 2339 return -1; 2340 2341 if (prev) 2342 prev->next = ssid->next; 2343 else 2344 config->ssid = ssid->next; 2345 2346 wpa_config_update_prio_list(config); 2347 wpa_config_free_ssid(ssid); 2348 return 0; 2349} 2350 2351 2352/** 2353 * wpa_config_set_network_defaults - Set network default values 2354 * @ssid: Pointer to network configuration data 2355 */ 2356void wpa_config_set_network_defaults(struct wpa_ssid *ssid) 2357{ 2358 ssid->proto = DEFAULT_PROTO; 2359 ssid->pairwise_cipher = DEFAULT_PAIRWISE; 2360 ssid->group_cipher = DEFAULT_GROUP; 2361 ssid->key_mgmt = DEFAULT_KEY_MGMT; 2362 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 2363#ifdef IEEE8021X_EAPOL 2364 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS; 2365 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND; 2366 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE; 2367 ssid->eap.sim_num = DEFAULT_USER_SELECTED_SIM; 2368#endif /* IEEE8021X_EAPOL */ 2369#ifdef CONFIG_MESH 2370 ssid->dot11MeshMaxRetries = DEFAULT_MESH_MAX_RETRIES; 2371 ssid->dot11MeshRetryTimeout = DEFAULT_MESH_RETRY_TIMEOUT; 2372 ssid->dot11MeshConfirmTimeout = DEFAULT_MESH_CONFIRM_TIMEOUT; 2373 ssid->dot11MeshHoldingTimeout = DEFAULT_MESH_HOLDING_TIMEOUT; 2374#endif /* CONFIG_MESH */ 2375#ifdef CONFIG_HT_OVERRIDES 2376 ssid->disable_ht = DEFAULT_DISABLE_HT; 2377 ssid->disable_ht40 = DEFAULT_DISABLE_HT40; 2378 ssid->disable_sgi = DEFAULT_DISABLE_SGI; 2379 ssid->disable_ldpc = DEFAULT_DISABLE_LDPC; 2380 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU; 2381 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR; 2382 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY; 2383#endif /* CONFIG_HT_OVERRIDES */ 2384#ifdef CONFIG_VHT_OVERRIDES 2385 ssid->vht_rx_mcs_nss_1 = -1; 2386 ssid->vht_rx_mcs_nss_2 = -1; 2387 ssid->vht_rx_mcs_nss_3 = -1; 2388 ssid->vht_rx_mcs_nss_4 = -1; 2389 ssid->vht_rx_mcs_nss_5 = -1; 2390 ssid->vht_rx_mcs_nss_6 = -1; 2391 ssid->vht_rx_mcs_nss_7 = -1; 2392 ssid->vht_rx_mcs_nss_8 = -1; 2393 ssid->vht_tx_mcs_nss_1 = -1; 2394 ssid->vht_tx_mcs_nss_2 = -1; 2395 ssid->vht_tx_mcs_nss_3 = -1; 2396 ssid->vht_tx_mcs_nss_4 = -1; 2397 ssid->vht_tx_mcs_nss_5 = -1; 2398 ssid->vht_tx_mcs_nss_6 = -1; 2399 ssid->vht_tx_mcs_nss_7 = -1; 2400 ssid->vht_tx_mcs_nss_8 = -1; 2401#endif /* CONFIG_VHT_OVERRIDES */ 2402 ssid->proactive_key_caching = -1; 2403#ifdef CONFIG_IEEE80211W 2404 ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT; 2405#endif /* CONFIG_IEEE80211W */ 2406 ssid->mac_addr = -1; 2407} 2408 2409 2410/** 2411 * wpa_config_set - Set a variable in network configuration 2412 * @ssid: Pointer to network configuration data 2413 * @var: Variable name, e.g., "ssid" 2414 * @value: Variable value 2415 * @line: Line number in configuration file or 0 if not used 2416 * Returns: 0 on success, -1 on failure 2417 * 2418 * This function can be used to set network configuration variables based on 2419 * both the configuration file and management interface input. The value 2420 * parameter must be in the same format as the text-based configuration file is 2421 * using. For example, strings are using double quotation marks. 2422 */ 2423int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value, 2424 int line) 2425{ 2426 size_t i; 2427 int ret = 0; 2428 2429 if (ssid == NULL || var == NULL || value == NULL) 2430 return -1; 2431 2432 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2433 const struct parse_data *field = &ssid_fields[i]; 2434 if (os_strcmp(var, field->name) != 0) 2435 continue; 2436 2437 if (field->parser(field, ssid, line, value)) { 2438 if (line) { 2439 wpa_printf(MSG_ERROR, "Line %d: failed to " 2440 "parse %s '%s'.", line, var, value); 2441 } 2442 ret = -1; 2443 } 2444 break; 2445 } 2446 if (i == NUM_SSID_FIELDS) { 2447 if (line) { 2448 wpa_printf(MSG_ERROR, "Line %d: unknown network field " 2449 "'%s'.", line, var); 2450 } 2451 ret = -1; 2452 } 2453 2454 return ret; 2455} 2456 2457 2458int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var, 2459 const char *value) 2460{ 2461 size_t len; 2462 char *buf; 2463 int ret; 2464 2465 len = os_strlen(value); 2466 buf = os_malloc(len + 3); 2467 if (buf == NULL) 2468 return -1; 2469 buf[0] = '"'; 2470 os_memcpy(buf + 1, value, len); 2471 buf[len + 1] = '"'; 2472 buf[len + 2] = '\0'; 2473 ret = wpa_config_set(ssid, var, buf, 0); 2474 os_free(buf); 2475 return ret; 2476} 2477 2478 2479/** 2480 * wpa_config_get_all - Get all options from network configuration 2481 * @ssid: Pointer to network configuration data 2482 * @get_keys: Determines if keys/passwords will be included in returned list 2483 * (if they may be exported) 2484 * Returns: %NULL terminated list of all set keys and their values in the form 2485 * of [key1, val1, key2, val2, ... , NULL] 2486 * 2487 * This function can be used to get list of all configured network properties. 2488 * The caller is responsible for freeing the returned list and all its 2489 * elements. 2490 */ 2491char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys) 2492{ 2493 const struct parse_data *field; 2494 char *key, *value; 2495 size_t i; 2496 char **props; 2497 int fields_num; 2498 2499 get_keys = get_keys && ssid->export_keys; 2500 2501 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *)); 2502 if (!props) 2503 return NULL; 2504 2505 fields_num = 0; 2506 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2507 field = &ssid_fields[i]; 2508 if (field->key_data && !get_keys) 2509 continue; 2510 value = field->writer(field, ssid); 2511 if (value == NULL) 2512 continue; 2513 if (os_strlen(value) == 0) { 2514 os_free(value); 2515 continue; 2516 } 2517 2518 key = os_strdup(field->name); 2519 if (key == NULL) { 2520 os_free(value); 2521 goto err; 2522 } 2523 2524 props[fields_num * 2] = key; 2525 props[fields_num * 2 + 1] = value; 2526 2527 fields_num++; 2528 } 2529 2530 return props; 2531 2532err: 2533 value = *props; 2534 while (value) 2535 os_free(value++); 2536 os_free(props); 2537 return NULL; 2538} 2539 2540 2541#ifndef NO_CONFIG_WRITE 2542/** 2543 * wpa_config_get - Get a variable in network configuration 2544 * @ssid: Pointer to network configuration data 2545 * @var: Variable name, e.g., "ssid" 2546 * Returns: Value of the variable or %NULL on failure 2547 * 2548 * This function can be used to get network configuration variables. The 2549 * returned value is a copy of the configuration variable in text format, i.e,. 2550 * the same format that the text-based configuration file and wpa_config_set() 2551 * are using for the value. The caller is responsible for freeing the returned 2552 * value. 2553 */ 2554char * wpa_config_get(struct wpa_ssid *ssid, const char *var) 2555{ 2556 size_t i; 2557 2558 if (ssid == NULL || var == NULL) 2559 return NULL; 2560 2561 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2562 const struct parse_data *field = &ssid_fields[i]; 2563 if (os_strcmp(var, field->name) == 0) 2564 return field->writer(field, ssid); 2565 } 2566 2567 return NULL; 2568} 2569 2570 2571/** 2572 * wpa_config_get_no_key - Get a variable in network configuration (no keys) 2573 * @ssid: Pointer to network configuration data 2574 * @var: Variable name, e.g., "ssid" 2575 * Returns: Value of the variable or %NULL on failure 2576 * 2577 * This function can be used to get network configuration variable like 2578 * wpa_config_get(). The only difference is that this functions does not expose 2579 * key/password material from the configuration. In case a key/password field 2580 * is requested, the returned value is an empty string or %NULL if the variable 2581 * is not set or "*" if the variable is set (regardless of its value). The 2582 * returned value is a copy of the configuration variable in text format, i.e,. 2583 * the same format that the text-based configuration file and wpa_config_set() 2584 * are using for the value. The caller is responsible for freeing the returned 2585 * value. 2586 */ 2587char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var) 2588{ 2589 size_t i; 2590 2591 if (ssid == NULL || var == NULL) 2592 return NULL; 2593 2594 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2595 const struct parse_data *field = &ssid_fields[i]; 2596 if (os_strcmp(var, field->name) == 0) { 2597 char *res = field->writer(field, ssid); 2598 if (field->key_data) { 2599 if (res && res[0]) { 2600 wpa_printf(MSG_DEBUG, "Do not allow " 2601 "key_data field to be " 2602 "exposed"); 2603 str_clear_free(res); 2604 return os_strdup("*"); 2605 } 2606 2607 os_free(res); 2608 return NULL; 2609 } 2610 return res; 2611 } 2612 } 2613 2614 return NULL; 2615} 2616#endif /* NO_CONFIG_WRITE */ 2617 2618 2619/** 2620 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID 2621 * @ssid: Pointer to network configuration data 2622 * 2623 * This function must be called to update WPA PSK when either SSID or the 2624 * passphrase has changed for the network configuration. 2625 */ 2626void wpa_config_update_psk(struct wpa_ssid *ssid) 2627{ 2628#ifndef CONFIG_NO_PBKDF2 2629 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096, 2630 ssid->psk, PMK_LEN); 2631 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", 2632 ssid->psk, PMK_LEN); 2633 ssid->psk_set = 1; 2634#endif /* CONFIG_NO_PBKDF2 */ 2635} 2636 2637 2638static int wpa_config_set_cred_req_conn_capab(struct wpa_cred *cred, 2639 const char *value) 2640{ 2641 u8 *proto; 2642 int **port; 2643 int *ports, *nports; 2644 const char *pos; 2645 unsigned int num_ports; 2646 2647 proto = os_realloc_array(cred->req_conn_capab_proto, 2648 cred->num_req_conn_capab + 1, sizeof(u8)); 2649 if (proto == NULL) 2650 return -1; 2651 cred->req_conn_capab_proto = proto; 2652 2653 port = os_realloc_array(cred->req_conn_capab_port, 2654 cred->num_req_conn_capab + 1, sizeof(int *)); 2655 if (port == NULL) 2656 return -1; 2657 cred->req_conn_capab_port = port; 2658 2659 proto[cred->num_req_conn_capab] = atoi(value); 2660 2661 pos = os_strchr(value, ':'); 2662 if (pos == NULL) { 2663 port[cred->num_req_conn_capab] = NULL; 2664 cred->num_req_conn_capab++; 2665 return 0; 2666 } 2667 pos++; 2668 2669 ports = NULL; 2670 num_ports = 0; 2671 2672 while (*pos) { 2673 nports = os_realloc_array(ports, num_ports + 1, sizeof(int)); 2674 if (nports == NULL) { 2675 os_free(ports); 2676 return -1; 2677 } 2678 ports = nports; 2679 ports[num_ports++] = atoi(pos); 2680 2681 pos = os_strchr(pos, ','); 2682 if (pos == NULL) 2683 break; 2684 pos++; 2685 } 2686 2687 nports = os_realloc_array(ports, num_ports + 1, sizeof(int)); 2688 if (nports == NULL) { 2689 os_free(ports); 2690 return -1; 2691 } 2692 ports = nports; 2693 ports[num_ports] = -1; 2694 2695 port[cred->num_req_conn_capab] = ports; 2696 cred->num_req_conn_capab++; 2697 return 0; 2698} 2699 2700 2701int wpa_config_set_cred(struct wpa_cred *cred, const char *var, 2702 const char *value, int line) 2703{ 2704 char *val; 2705 size_t len; 2706 2707 if (os_strcmp(var, "temporary") == 0) { 2708 cred->temporary = atoi(value); 2709 return 0; 2710 } 2711 2712 if (os_strcmp(var, "priority") == 0) { 2713 cred->priority = atoi(value); 2714 return 0; 2715 } 2716 2717 if (os_strcmp(var, "sp_priority") == 0) { 2718 int prio = atoi(value); 2719 if (prio < 0 || prio > 255) 2720 return -1; 2721 cred->sp_priority = prio; 2722 return 0; 2723 } 2724 2725 if (os_strcmp(var, "pcsc") == 0) { 2726 cred->pcsc = atoi(value); 2727 return 0; 2728 } 2729 2730 if (os_strcmp(var, "eap") == 0) { 2731 struct eap_method_type method; 2732 method.method = eap_peer_get_type(value, &method.vendor); 2733 if (method.vendor == EAP_VENDOR_IETF && 2734 method.method == EAP_TYPE_NONE) { 2735 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' " 2736 "for a credential", line, value); 2737 return -1; 2738 } 2739 os_free(cred->eap_method); 2740 cred->eap_method = os_malloc(sizeof(*cred->eap_method)); 2741 if (cred->eap_method == NULL) 2742 return -1; 2743 os_memcpy(cred->eap_method, &method, sizeof(method)); 2744 return 0; 2745 } 2746 2747 if (os_strcmp(var, "password") == 0 && 2748 os_strncmp(value, "ext:", 4) == 0) { 2749 str_clear_free(cred->password); 2750 cred->password = os_strdup(value); 2751 cred->ext_password = 1; 2752 return 0; 2753 } 2754 2755 if (os_strcmp(var, "update_identifier") == 0) { 2756 cred->update_identifier = atoi(value); 2757 return 0; 2758 } 2759 2760 if (os_strcmp(var, "min_dl_bandwidth_home") == 0) { 2761 cred->min_dl_bandwidth_home = atoi(value); 2762 return 0; 2763 } 2764 2765 if (os_strcmp(var, "min_ul_bandwidth_home") == 0) { 2766 cred->min_ul_bandwidth_home = atoi(value); 2767 return 0; 2768 } 2769 2770 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) { 2771 cred->min_dl_bandwidth_roaming = atoi(value); 2772 return 0; 2773 } 2774 2775 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) { 2776 cred->min_ul_bandwidth_roaming = atoi(value); 2777 return 0; 2778 } 2779 2780 if (os_strcmp(var, "max_bss_load") == 0) { 2781 cred->max_bss_load = atoi(value); 2782 return 0; 2783 } 2784 2785 if (os_strcmp(var, "req_conn_capab") == 0) 2786 return wpa_config_set_cred_req_conn_capab(cred, value); 2787 2788 if (os_strcmp(var, "ocsp") == 0) { 2789 cred->ocsp = atoi(value); 2790 return 0; 2791 } 2792 2793 if (os_strcmp(var, "sim_num") == 0) { 2794 cred->sim_num = atoi(value); 2795 return 0; 2796 } 2797 2798 val = wpa_config_parse_string(value, &len); 2799 if (val == NULL) { 2800 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string " 2801 "value '%s'.", line, var, value); 2802 return -1; 2803 } 2804 2805 if (os_strcmp(var, "realm") == 0) { 2806 os_free(cred->realm); 2807 cred->realm = val; 2808 return 0; 2809 } 2810 2811 if (os_strcmp(var, "username") == 0) { 2812 str_clear_free(cred->username); 2813 cred->username = val; 2814 return 0; 2815 } 2816 2817 if (os_strcmp(var, "password") == 0) { 2818 str_clear_free(cred->password); 2819 cred->password = val; 2820 cred->ext_password = 0; 2821 return 0; 2822 } 2823 2824 if (os_strcmp(var, "ca_cert") == 0) { 2825 os_free(cred->ca_cert); 2826 cred->ca_cert = val; 2827 return 0; 2828 } 2829 2830 if (os_strcmp(var, "client_cert") == 0) { 2831 os_free(cred->client_cert); 2832 cred->client_cert = val; 2833 return 0; 2834 } 2835 2836 if (os_strcmp(var, "private_key") == 0) { 2837 os_free(cred->private_key); 2838 cred->private_key = val; 2839 return 0; 2840 } 2841 2842 if (os_strcmp(var, "private_key_passwd") == 0) { 2843 str_clear_free(cred->private_key_passwd); 2844 cred->private_key_passwd = val; 2845 return 0; 2846 } 2847 2848 if (os_strcmp(var, "imsi") == 0) { 2849 os_free(cred->imsi); 2850 cred->imsi = val; 2851 return 0; 2852 } 2853 2854 if (os_strcmp(var, "milenage") == 0) { 2855 str_clear_free(cred->milenage); 2856 cred->milenage = val; 2857 return 0; 2858 } 2859 2860 if (os_strcmp(var, "domain_suffix_match") == 0) { 2861 os_free(cred->domain_suffix_match); 2862 cred->domain_suffix_match = val; 2863 return 0; 2864 } 2865 2866 if (os_strcmp(var, "domain") == 0) { 2867 char **new_domain; 2868 new_domain = os_realloc_array(cred->domain, 2869 cred->num_domain + 1, 2870 sizeof(char *)); 2871 if (new_domain == NULL) { 2872 os_free(val); 2873 return -1; 2874 } 2875 new_domain[cred->num_domain++] = val; 2876 cred->domain = new_domain; 2877 return 0; 2878 } 2879 2880 if (os_strcmp(var, "phase1") == 0) { 2881 os_free(cred->phase1); 2882 cred->phase1 = val; 2883 return 0; 2884 } 2885 2886 if (os_strcmp(var, "phase2") == 0) { 2887 os_free(cred->phase2); 2888 cred->phase2 = val; 2889 return 0; 2890 } 2891 2892 if (os_strcmp(var, "roaming_consortium") == 0) { 2893 if (len < 3 || len > sizeof(cred->roaming_consortium)) { 2894 wpa_printf(MSG_ERROR, "Line %d: invalid " 2895 "roaming_consortium length %d (3..15 " 2896 "expected)", line, (int) len); 2897 os_free(val); 2898 return -1; 2899 } 2900 os_memcpy(cred->roaming_consortium, val, len); 2901 cred->roaming_consortium_len = len; 2902 os_free(val); 2903 return 0; 2904 } 2905 2906 if (os_strcmp(var, "required_roaming_consortium") == 0) { 2907 if (len < 3 || len > sizeof(cred->required_roaming_consortium)) 2908 { 2909 wpa_printf(MSG_ERROR, "Line %d: invalid " 2910 "required_roaming_consortium length %d " 2911 "(3..15 expected)", line, (int) len); 2912 os_free(val); 2913 return -1; 2914 } 2915 os_memcpy(cred->required_roaming_consortium, val, len); 2916 cred->required_roaming_consortium_len = len; 2917 os_free(val); 2918 return 0; 2919 } 2920 2921 if (os_strcmp(var, "excluded_ssid") == 0) { 2922 struct excluded_ssid *e; 2923 2924 if (len > MAX_SSID_LEN) { 2925 wpa_printf(MSG_ERROR, "Line %d: invalid " 2926 "excluded_ssid length %d", line, (int) len); 2927 os_free(val); 2928 return -1; 2929 } 2930 2931 e = os_realloc_array(cred->excluded_ssid, 2932 cred->num_excluded_ssid + 1, 2933 sizeof(struct excluded_ssid)); 2934 if (e == NULL) { 2935 os_free(val); 2936 return -1; 2937 } 2938 cred->excluded_ssid = e; 2939 2940 e = &cred->excluded_ssid[cred->num_excluded_ssid++]; 2941 os_memcpy(e->ssid, val, len); 2942 e->ssid_len = len; 2943 2944 os_free(val); 2945 2946 return 0; 2947 } 2948 2949 if (os_strcmp(var, "roaming_partner") == 0) { 2950 struct roaming_partner *p; 2951 char *pos; 2952 2953 p = os_realloc_array(cred->roaming_partner, 2954 cred->num_roaming_partner + 1, 2955 sizeof(struct roaming_partner)); 2956 if (p == NULL) { 2957 os_free(val); 2958 return -1; 2959 } 2960 cred->roaming_partner = p; 2961 2962 p = &cred->roaming_partner[cred->num_roaming_partner]; 2963 2964 pos = os_strchr(val, ','); 2965 if (pos == NULL) { 2966 os_free(val); 2967 return -1; 2968 } 2969 *pos++ = '\0'; 2970 if (pos - val - 1 >= (int) sizeof(p->fqdn)) { 2971 os_free(val); 2972 return -1; 2973 } 2974 os_memcpy(p->fqdn, val, pos - val); 2975 2976 p->exact_match = atoi(pos); 2977 2978 pos = os_strchr(pos, ','); 2979 if (pos == NULL) { 2980 os_free(val); 2981 return -1; 2982 } 2983 *pos++ = '\0'; 2984 2985 p->priority = atoi(pos); 2986 2987 pos = os_strchr(pos, ','); 2988 if (pos == NULL) { 2989 os_free(val); 2990 return -1; 2991 } 2992 *pos++ = '\0'; 2993 2994 if (os_strlen(pos) >= sizeof(p->country)) { 2995 os_free(val); 2996 return -1; 2997 } 2998 os_memcpy(p->country, pos, os_strlen(pos) + 1); 2999 3000 cred->num_roaming_partner++; 3001 os_free(val); 3002 3003 return 0; 3004 } 3005 3006 if (os_strcmp(var, "provisioning_sp") == 0) { 3007 os_free(cred->provisioning_sp); 3008 cred->provisioning_sp = val; 3009 return 0; 3010 } 3011 3012 if (line) { 3013 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.", 3014 line, var); 3015 } 3016 3017 os_free(val); 3018 3019 return -1; 3020} 3021 3022 3023static char * alloc_int_str(int val) 3024{ 3025 const unsigned int bufsize = 20; 3026 char *buf; 3027 int res; 3028 3029 buf = os_malloc(bufsize); 3030 if (buf == NULL) 3031 return NULL; 3032 res = os_snprintf(buf, bufsize, "%d", val); 3033 if (os_snprintf_error(bufsize, res)) { 3034 os_free(buf); 3035 buf = NULL; 3036 } 3037 return buf; 3038} 3039 3040 3041static char * alloc_strdup(const char *str) 3042{ 3043 if (str == NULL) 3044 return NULL; 3045 return os_strdup(str); 3046} 3047 3048 3049char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var) 3050{ 3051 if (os_strcmp(var, "temporary") == 0) 3052 return alloc_int_str(cred->temporary); 3053 3054 if (os_strcmp(var, "priority") == 0) 3055 return alloc_int_str(cred->priority); 3056 3057 if (os_strcmp(var, "sp_priority") == 0) 3058 return alloc_int_str(cred->sp_priority); 3059 3060 if (os_strcmp(var, "pcsc") == 0) 3061 return alloc_int_str(cred->pcsc); 3062 3063 if (os_strcmp(var, "eap") == 0) { 3064 if (!cred->eap_method) 3065 return NULL; 3066 return alloc_strdup(eap_get_name(cred->eap_method[0].vendor, 3067 cred->eap_method[0].method)); 3068 } 3069 3070 if (os_strcmp(var, "update_identifier") == 0) 3071 return alloc_int_str(cred->update_identifier); 3072 3073 if (os_strcmp(var, "min_dl_bandwidth_home") == 0) 3074 return alloc_int_str(cred->min_dl_bandwidth_home); 3075 3076 if (os_strcmp(var, "min_ul_bandwidth_home") == 0) 3077 return alloc_int_str(cred->min_ul_bandwidth_home); 3078 3079 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) 3080 return alloc_int_str(cred->min_dl_bandwidth_roaming); 3081 3082 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) 3083 return alloc_int_str(cred->min_ul_bandwidth_roaming); 3084 3085 if (os_strcmp(var, "max_bss_load") == 0) 3086 return alloc_int_str(cred->max_bss_load); 3087 3088 if (os_strcmp(var, "req_conn_capab") == 0) { 3089 unsigned int i; 3090 char *buf, *end, *pos; 3091 int ret; 3092 3093 if (!cred->num_req_conn_capab) 3094 return NULL; 3095 3096 buf = os_malloc(4000); 3097 if (buf == NULL) 3098 return NULL; 3099 pos = buf; 3100 end = pos + 4000; 3101 for (i = 0; i < cred->num_req_conn_capab; i++) { 3102 int *ports; 3103 3104 ret = os_snprintf(pos, end - pos, "%s%u", 3105 i > 0 ? "\n" : "", 3106 cred->req_conn_capab_proto[i]); 3107 if (os_snprintf_error(end - pos, ret)) 3108 return buf; 3109 pos += ret; 3110 3111 ports = cred->req_conn_capab_port[i]; 3112 if (ports) { 3113 int j; 3114 for (j = 0; ports[j] != -1; j++) { 3115 ret = os_snprintf(pos, end - pos, 3116 "%s%d", 3117 j > 0 ? "," : ":", 3118 ports[j]); 3119 if (os_snprintf_error(end - pos, ret)) 3120 return buf; 3121 pos += ret; 3122 } 3123 } 3124 } 3125 3126 return buf; 3127 } 3128 3129 if (os_strcmp(var, "ocsp") == 0) 3130 return alloc_int_str(cred->ocsp); 3131 3132 if (os_strcmp(var, "realm") == 0) 3133 return alloc_strdup(cred->realm); 3134 3135 if (os_strcmp(var, "username") == 0) 3136 return alloc_strdup(cred->username); 3137 3138 if (os_strcmp(var, "password") == 0) { 3139 if (!cred->password) 3140 return NULL; 3141 return alloc_strdup("*"); 3142 } 3143 3144 if (os_strcmp(var, "ca_cert") == 0) 3145 return alloc_strdup(cred->ca_cert); 3146 3147 if (os_strcmp(var, "client_cert") == 0) 3148 return alloc_strdup(cred->client_cert); 3149 3150 if (os_strcmp(var, "private_key") == 0) 3151 return alloc_strdup(cred->private_key); 3152 3153 if (os_strcmp(var, "private_key_passwd") == 0) { 3154 if (!cred->private_key_passwd) 3155 return NULL; 3156 return alloc_strdup("*"); 3157 } 3158 3159 if (os_strcmp(var, "imsi") == 0) 3160 return alloc_strdup(cred->imsi); 3161 3162 if (os_strcmp(var, "milenage") == 0) { 3163 if (!(cred->milenage)) 3164 return NULL; 3165 return alloc_strdup("*"); 3166 } 3167 3168 if (os_strcmp(var, "domain_suffix_match") == 0) 3169 return alloc_strdup(cred->domain_suffix_match); 3170 3171 if (os_strcmp(var, "domain") == 0) { 3172 unsigned int i; 3173 char *buf, *end, *pos; 3174 int ret; 3175 3176 if (!cred->num_domain) 3177 return NULL; 3178 3179 buf = os_malloc(4000); 3180 if (buf == NULL) 3181 return NULL; 3182 pos = buf; 3183 end = pos + 4000; 3184 3185 for (i = 0; i < cred->num_domain; i++) { 3186 ret = os_snprintf(pos, end - pos, "%s%s", 3187 i > 0 ? "\n" : "", cred->domain[i]); 3188 if (os_snprintf_error(end - pos, ret)) 3189 return buf; 3190 pos += ret; 3191 } 3192 3193 return buf; 3194 } 3195 3196 if (os_strcmp(var, "phase1") == 0) 3197 return alloc_strdup(cred->phase1); 3198 3199 if (os_strcmp(var, "phase2") == 0) 3200 return alloc_strdup(cred->phase2); 3201 3202 if (os_strcmp(var, "roaming_consortium") == 0) { 3203 size_t buflen; 3204 char *buf; 3205 3206 if (!cred->roaming_consortium_len) 3207 return NULL; 3208 buflen = cred->roaming_consortium_len * 2 + 1; 3209 buf = os_malloc(buflen); 3210 if (buf == NULL) 3211 return NULL; 3212 wpa_snprintf_hex(buf, buflen, cred->roaming_consortium, 3213 cred->roaming_consortium_len); 3214 return buf; 3215 } 3216 3217 if (os_strcmp(var, "required_roaming_consortium") == 0) { 3218 size_t buflen; 3219 char *buf; 3220 3221 if (!cred->required_roaming_consortium_len) 3222 return NULL; 3223 buflen = cred->required_roaming_consortium_len * 2 + 1; 3224 buf = os_malloc(buflen); 3225 if (buf == NULL) 3226 return NULL; 3227 wpa_snprintf_hex(buf, buflen, cred->required_roaming_consortium, 3228 cred->required_roaming_consortium_len); 3229 return buf; 3230 } 3231 3232 if (os_strcmp(var, "excluded_ssid") == 0) { 3233 unsigned int i; 3234 char *buf, *end, *pos; 3235 3236 if (!cred->num_excluded_ssid) 3237 return NULL; 3238 3239 buf = os_malloc(4000); 3240 if (buf == NULL) 3241 return NULL; 3242 pos = buf; 3243 end = pos + 4000; 3244 3245 for (i = 0; i < cred->num_excluded_ssid; i++) { 3246 struct excluded_ssid *e; 3247 int ret; 3248 3249 e = &cred->excluded_ssid[i]; 3250 ret = os_snprintf(pos, end - pos, "%s%s", 3251 i > 0 ? "\n" : "", 3252 wpa_ssid_txt(e->ssid, e->ssid_len)); 3253 if (os_snprintf_error(end - pos, ret)) 3254 return buf; 3255 pos += ret; 3256 } 3257 3258 return buf; 3259 } 3260 3261 if (os_strcmp(var, "roaming_partner") == 0) { 3262 unsigned int i; 3263 char *buf, *end, *pos; 3264 3265 if (!cred->num_roaming_partner) 3266 return NULL; 3267 3268 buf = os_malloc(4000); 3269 if (buf == NULL) 3270 return NULL; 3271 pos = buf; 3272 end = pos + 4000; 3273 3274 for (i = 0; i < cred->num_roaming_partner; i++) { 3275 struct roaming_partner *p; 3276 int ret; 3277 3278 p = &cred->roaming_partner[i]; 3279 ret = os_snprintf(pos, end - pos, "%s%s,%d,%u,%s", 3280 i > 0 ? "\n" : "", 3281 p->fqdn, p->exact_match, p->priority, 3282 p->country); 3283 if (os_snprintf_error(end - pos, ret)) 3284 return buf; 3285 pos += ret; 3286 } 3287 3288 return buf; 3289 } 3290 3291 if (os_strcmp(var, "provisioning_sp") == 0) 3292 return alloc_strdup(cred->provisioning_sp); 3293 3294 return NULL; 3295} 3296 3297 3298struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id) 3299{ 3300 struct wpa_cred *cred; 3301 3302 cred = config->cred; 3303 while (cred) { 3304 if (id == cred->id) 3305 break; 3306 cred = cred->next; 3307 } 3308 3309 return cred; 3310} 3311 3312 3313struct wpa_cred * wpa_config_add_cred(struct wpa_config *config) 3314{ 3315 int id; 3316 struct wpa_cred *cred, *last = NULL; 3317 3318 id = -1; 3319 cred = config->cred; 3320 while (cred) { 3321 if (cred->id > id) 3322 id = cred->id; 3323 last = cred; 3324 cred = cred->next; 3325 } 3326 id++; 3327 3328 cred = os_zalloc(sizeof(*cred)); 3329 if (cred == NULL) 3330 return NULL; 3331 cred->id = id; 3332 cred->sim_num = DEFAULT_USER_SELECTED_SIM; 3333 if (last) 3334 last->next = cred; 3335 else 3336 config->cred = cred; 3337 3338 return cred; 3339} 3340 3341 3342int wpa_config_remove_cred(struct wpa_config *config, int id) 3343{ 3344 struct wpa_cred *cred, *prev = NULL; 3345 3346 cred = config->cred; 3347 while (cred) { 3348 if (id == cred->id) 3349 break; 3350 prev = cred; 3351 cred = cred->next; 3352 } 3353 3354 if (cred == NULL) 3355 return -1; 3356 3357 if (prev) 3358 prev->next = cred->next; 3359 else 3360 config->cred = cred->next; 3361 3362 wpa_config_free_cred(cred); 3363 return 0; 3364} 3365 3366 3367#ifndef CONFIG_NO_CONFIG_BLOBS 3368/** 3369 * wpa_config_get_blob - Get a named configuration blob 3370 * @config: Configuration data from wpa_config_read() 3371 * @name: Name of the blob 3372 * Returns: Pointer to blob data or %NULL if not found 3373 */ 3374const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config, 3375 const char *name) 3376{ 3377 struct wpa_config_blob *blob = config->blobs; 3378 3379 while (blob) { 3380 if (os_strcmp(blob->name, name) == 0) 3381 return blob; 3382 blob = blob->next; 3383 } 3384 return NULL; 3385} 3386 3387 3388/** 3389 * wpa_config_set_blob - Set or add a named configuration blob 3390 * @config: Configuration data from wpa_config_read() 3391 * @blob: New value for the blob 3392 * 3393 * Adds a new configuration blob or replaces the current value of an existing 3394 * blob. 3395 */ 3396void wpa_config_set_blob(struct wpa_config *config, 3397 struct wpa_config_blob *blob) 3398{ 3399 wpa_config_remove_blob(config, blob->name); 3400 blob->next = config->blobs; 3401 config->blobs = blob; 3402} 3403 3404 3405/** 3406 * wpa_config_free_blob - Free blob data 3407 * @blob: Pointer to blob to be freed 3408 */ 3409void wpa_config_free_blob(struct wpa_config_blob *blob) 3410{ 3411 if (blob) { 3412 os_free(blob->name); 3413 bin_clear_free(blob->data, blob->len); 3414 os_free(blob); 3415 } 3416} 3417 3418 3419/** 3420 * wpa_config_remove_blob - Remove a named configuration blob 3421 * @config: Configuration data from wpa_config_read() 3422 * @name: Name of the blob to remove 3423 * Returns: 0 if blob was removed or -1 if blob was not found 3424 */ 3425int wpa_config_remove_blob(struct wpa_config *config, const char *name) 3426{ 3427 struct wpa_config_blob *pos = config->blobs, *prev = NULL; 3428 3429 while (pos) { 3430 if (os_strcmp(pos->name, name) == 0) { 3431 if (prev) 3432 prev->next = pos->next; 3433 else 3434 config->blobs = pos->next; 3435 wpa_config_free_blob(pos); 3436 return 0; 3437 } 3438 prev = pos; 3439 pos = pos->next; 3440 } 3441 3442 return -1; 3443} 3444#endif /* CONFIG_NO_CONFIG_BLOBS */ 3445 3446 3447/** 3448 * wpa_config_alloc_empty - Allocate an empty configuration 3449 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain 3450 * socket 3451 * @driver_param: Driver parameters 3452 * Returns: Pointer to allocated configuration data or %NULL on failure 3453 */ 3454struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface, 3455 const char *driver_param) 3456{ 3457 struct wpa_config *config; 3458 const int aCWmin = 4, aCWmax = 10; 3459 const struct hostapd_wmm_ac_params ac_bk = 3460 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */ 3461 const struct hostapd_wmm_ac_params ac_be = 3462 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */ 3463 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */ 3464 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 }; 3465 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */ 3466 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 }; 3467 3468 config = os_zalloc(sizeof(*config)); 3469 if (config == NULL) 3470 return NULL; 3471 config->eapol_version = DEFAULT_EAPOL_VERSION; 3472 config->ap_scan = DEFAULT_AP_SCAN; 3473 config->user_mpm = DEFAULT_USER_MPM; 3474 config->max_peer_links = DEFAULT_MAX_PEER_LINKS; 3475 config->fast_reauth = DEFAULT_FAST_REAUTH; 3476 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT; 3477 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS; 3478 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY; 3479 config->p2p_optimize_listen_chan = DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN; 3480 config->bss_max_count = DEFAULT_BSS_MAX_COUNT; 3481 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE; 3482 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT; 3483 config->max_num_sta = DEFAULT_MAX_NUM_STA; 3484 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE; 3485 config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ; 3486 config->wmm_ac_params[0] = ac_be; 3487 config->wmm_ac_params[1] = ac_bk; 3488 config->wmm_ac_params[2] = ac_vi; 3489 config->wmm_ac_params[3] = ac_vo; 3490 config->p2p_search_delay = DEFAULT_P2P_SEARCH_DELAY; 3491 config->rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME; 3492 config->key_mgmt_offload = DEFAULT_KEY_MGMT_OFFLOAD; 3493 3494 if (ctrl_interface) 3495 config->ctrl_interface = os_strdup(ctrl_interface); 3496 if (driver_param) 3497 config->driver_param = os_strdup(driver_param); 3498 3499 return config; 3500} 3501 3502 3503#ifndef CONFIG_NO_STDOUT_DEBUG 3504/** 3505 * wpa_config_debug_dump_networks - Debug dump of configured networks 3506 * @config: Configuration data from wpa_config_read() 3507 */ 3508void wpa_config_debug_dump_networks(struct wpa_config *config) 3509{ 3510 int prio; 3511 struct wpa_ssid *ssid; 3512 3513 for (prio = 0; prio < config->num_prio; prio++) { 3514 ssid = config->pssid[prio]; 3515 wpa_printf(MSG_DEBUG, "Priority group %d", 3516 ssid->priority); 3517 while (ssid) { 3518 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'", 3519 ssid->id, 3520 wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); 3521 ssid = ssid->pnext; 3522 } 3523 } 3524} 3525#endif /* CONFIG_NO_STDOUT_DEBUG */ 3526 3527 3528struct global_parse_data { 3529 char *name; 3530 int (*parser)(const struct global_parse_data *data, 3531 struct wpa_config *config, int line, const char *value); 3532 void *param1, *param2, *param3; 3533 unsigned int changed_flag; 3534}; 3535 3536 3537static int wpa_global_config_parse_int(const struct global_parse_data *data, 3538 struct wpa_config *config, int line, 3539 const char *pos) 3540{ 3541 int val, *dst; 3542 char *end; 3543 3544 dst = (int *) (((u8 *) config) + (long) data->param1); 3545 val = strtol(pos, &end, 0); 3546 if (*end) { 3547 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"", 3548 line, pos); 3549 return -1; 3550 } 3551 *dst = val; 3552 3553 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst); 3554 3555 if (data->param2 && *dst < (long) data->param2) { 3556 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d " 3557 "min_value=%ld)", line, data->name, *dst, 3558 (long) data->param2); 3559 *dst = (long) data->param2; 3560 return -1; 3561 } 3562 3563 if (data->param3 && *dst > (long) data->param3) { 3564 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d " 3565 "max_value=%ld)", line, data->name, *dst, 3566 (long) data->param3); 3567 *dst = (long) data->param3; 3568 return -1; 3569 } 3570 3571 return 0; 3572} 3573 3574 3575static int wpa_global_config_parse_str(const struct global_parse_data *data, 3576 struct wpa_config *config, int line, 3577 const char *pos) 3578{ 3579 size_t len; 3580 char **dst, *tmp; 3581 3582 len = os_strlen(pos); 3583 if (data->param2 && len < (size_t) data->param2) { 3584 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu " 3585 "min_len=%ld)", line, data->name, 3586 (unsigned long) len, (long) data->param2); 3587 return -1; 3588 } 3589 3590 if (data->param3 && len > (size_t) data->param3) { 3591 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu " 3592 "max_len=%ld)", line, data->name, 3593 (unsigned long) len, (long) data->param3); 3594 return -1; 3595 } 3596 3597 tmp = os_strdup(pos); 3598 if (tmp == NULL) 3599 return -1; 3600 3601 dst = (char **) (((u8 *) config) + (long) data->param1); 3602 os_free(*dst); 3603 *dst = tmp; 3604 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst); 3605 3606 return 0; 3607} 3608 3609 3610static int wpa_config_process_bgscan(const struct global_parse_data *data, 3611 struct wpa_config *config, int line, 3612 const char *pos) 3613{ 3614 size_t len; 3615 char *tmp; 3616 int res; 3617 3618 tmp = wpa_config_parse_string(pos, &len); 3619 if (tmp == NULL) { 3620 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s", 3621 line, data->name); 3622 return -1; 3623 } 3624 3625 res = wpa_global_config_parse_str(data, config, line, tmp); 3626 os_free(tmp); 3627 return res; 3628} 3629 3630 3631static int wpa_global_config_parse_bin(const struct global_parse_data *data, 3632 struct wpa_config *config, int line, 3633 const char *pos) 3634{ 3635 size_t len; 3636 struct wpabuf **dst, *tmp; 3637 3638 len = os_strlen(pos); 3639 if (len & 0x01) 3640 return -1; 3641 3642 tmp = wpabuf_alloc(len / 2); 3643 if (tmp == NULL) 3644 return -1; 3645 3646 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) { 3647 wpabuf_free(tmp); 3648 return -1; 3649 } 3650 3651 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1); 3652 wpabuf_free(*dst); 3653 *dst = tmp; 3654 wpa_printf(MSG_DEBUG, "%s", data->name); 3655 3656 return 0; 3657} 3658 3659 3660static int wpa_config_process_freq_list(const struct global_parse_data *data, 3661 struct wpa_config *config, int line, 3662 const char *value) 3663{ 3664 int *freqs; 3665 3666 freqs = wpa_config_parse_int_array(value); 3667 if (freqs == NULL) 3668 return -1; 3669 if (freqs[0] == 0) { 3670 os_free(freqs); 3671 freqs = NULL; 3672 } 3673 os_free(config->freq_list); 3674 config->freq_list = freqs; 3675 return 0; 3676} 3677 3678 3679#ifdef CONFIG_P2P 3680static int wpa_global_config_parse_ipv4(const struct global_parse_data *data, 3681 struct wpa_config *config, int line, 3682 const char *pos) 3683{ 3684 u32 *dst; 3685 struct hostapd_ip_addr addr; 3686 3687 if (hostapd_parse_ip_addr(pos, &addr) < 0) 3688 return -1; 3689 if (addr.af != AF_INET) 3690 return -1; 3691 3692 dst = (u32 *) (((u8 *) config) + (long) data->param1); 3693 os_memcpy(dst, &addr.u.v4.s_addr, 4); 3694 wpa_printf(MSG_DEBUG, "%s = 0x%x", data->name, 3695 WPA_GET_BE32((u8 *) dst)); 3696 3697 return 0; 3698} 3699#endif /* CONFIG_P2P */ 3700 3701 3702static int wpa_config_process_country(const struct global_parse_data *data, 3703 struct wpa_config *config, int line, 3704 const char *pos) 3705{ 3706 if (!pos[0] || !pos[1]) { 3707 wpa_printf(MSG_DEBUG, "Invalid country set"); 3708 return -1; 3709 } 3710 config->country[0] = pos[0]; 3711 config->country[1] = pos[1]; 3712 wpa_printf(MSG_DEBUG, "country='%c%c'", 3713 config->country[0], config->country[1]); 3714 return 0; 3715} 3716 3717 3718static int wpa_config_process_load_dynamic_eap( 3719 const struct global_parse_data *data, struct wpa_config *config, 3720 int line, const char *so) 3721{ 3722 int ret; 3723 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so); 3724 ret = eap_peer_method_load(so); 3725 if (ret == -2) { 3726 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not " 3727 "reloading."); 3728 } else if (ret) { 3729 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP " 3730 "method '%s'.", line, so); 3731 return -1; 3732 } 3733 3734 return 0; 3735} 3736 3737 3738#ifdef CONFIG_WPS 3739 3740static int wpa_config_process_uuid(const struct global_parse_data *data, 3741 struct wpa_config *config, int line, 3742 const char *pos) 3743{ 3744 char buf[40]; 3745 if (uuid_str2bin(pos, config->uuid)) { 3746 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line); 3747 return -1; 3748 } 3749 uuid_bin2str(config->uuid, buf, sizeof(buf)); 3750 wpa_printf(MSG_DEBUG, "uuid=%s", buf); 3751 return 0; 3752} 3753 3754 3755static int wpa_config_process_device_type( 3756 const struct global_parse_data *data, 3757 struct wpa_config *config, int line, const char *pos) 3758{ 3759 return wps_dev_type_str2bin(pos, config->device_type); 3760} 3761 3762 3763static int wpa_config_process_os_version(const struct global_parse_data *data, 3764 struct wpa_config *config, int line, 3765 const char *pos) 3766{ 3767 if (hexstr2bin(pos, config->os_version, 4)) { 3768 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line); 3769 return -1; 3770 } 3771 wpa_printf(MSG_DEBUG, "os_version=%08x", 3772 WPA_GET_BE32(config->os_version)); 3773 return 0; 3774} 3775 3776 3777static int wpa_config_process_wps_vendor_ext_m1( 3778 const struct global_parse_data *data, 3779 struct wpa_config *config, int line, const char *pos) 3780{ 3781 struct wpabuf *tmp; 3782 int len = os_strlen(pos) / 2; 3783 u8 *p; 3784 3785 if (!len) { 3786 wpa_printf(MSG_ERROR, "Line %d: " 3787 "invalid wps_vendor_ext_m1", line); 3788 return -1; 3789 } 3790 3791 tmp = wpabuf_alloc(len); 3792 if (tmp) { 3793 p = wpabuf_put(tmp, len); 3794 3795 if (hexstr2bin(pos, p, len)) { 3796 wpa_printf(MSG_ERROR, "Line %d: " 3797 "invalid wps_vendor_ext_m1", line); 3798 wpabuf_free(tmp); 3799 return -1; 3800 } 3801 3802 wpabuf_free(config->wps_vendor_ext_m1); 3803 config->wps_vendor_ext_m1 = tmp; 3804 } else { 3805 wpa_printf(MSG_ERROR, "Can not allocate " 3806 "memory for wps_vendor_ext_m1"); 3807 return -1; 3808 } 3809 3810 return 0; 3811} 3812 3813#endif /* CONFIG_WPS */ 3814 3815#ifdef CONFIG_P2P 3816static int wpa_config_process_sec_device_type( 3817 const struct global_parse_data *data, 3818 struct wpa_config *config, int line, const char *pos) 3819{ 3820 int idx; 3821 3822 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) { 3823 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type " 3824 "items", line); 3825 return -1; 3826 } 3827 3828 idx = config->num_sec_device_types; 3829 3830 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx])) 3831 return -1; 3832 3833 config->num_sec_device_types++; 3834 return 0; 3835} 3836 3837 3838static int wpa_config_process_p2p_pref_chan( 3839 const struct global_parse_data *data, 3840 struct wpa_config *config, int line, const char *pos) 3841{ 3842 struct p2p_channel *pref = NULL, *n; 3843 unsigned int num = 0; 3844 const char *pos2; 3845 u8 op_class, chan; 3846 3847 /* format: class:chan,class:chan,... */ 3848 3849 while (*pos) { 3850 op_class = atoi(pos); 3851 pos2 = os_strchr(pos, ':'); 3852 if (pos2 == NULL) 3853 goto fail; 3854 pos2++; 3855 chan = atoi(pos2); 3856 3857 n = os_realloc_array(pref, num + 1, 3858 sizeof(struct p2p_channel)); 3859 if (n == NULL) 3860 goto fail; 3861 pref = n; 3862 pref[num].op_class = op_class; 3863 pref[num].chan = chan; 3864 num++; 3865 3866 pos = os_strchr(pos2, ','); 3867 if (pos == NULL) 3868 break; 3869 pos++; 3870 } 3871 3872 os_free(config->p2p_pref_chan); 3873 config->p2p_pref_chan = pref; 3874 config->num_p2p_pref_chan = num; 3875 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs", 3876 (u8 *) config->p2p_pref_chan, 3877 config->num_p2p_pref_chan * sizeof(struct p2p_channel)); 3878 3879 return 0; 3880 3881fail: 3882 os_free(pref); 3883 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line); 3884 return -1; 3885} 3886 3887 3888static int wpa_config_process_p2p_no_go_freq( 3889 const struct global_parse_data *data, 3890 struct wpa_config *config, int line, const char *pos) 3891{ 3892 int ret; 3893 3894 ret = freq_range_list_parse(&config->p2p_no_go_freq, pos); 3895 if (ret < 0) { 3896 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_no_go_freq", line); 3897 return -1; 3898 } 3899 3900 wpa_printf(MSG_DEBUG, "P2P: p2p_no_go_freq with %u items", 3901 config->p2p_no_go_freq.num); 3902 3903 return 0; 3904} 3905 3906#endif /* CONFIG_P2P */ 3907 3908 3909static int wpa_config_process_hessid( 3910 const struct global_parse_data *data, 3911 struct wpa_config *config, int line, const char *pos) 3912{ 3913 if (hwaddr_aton2(pos, config->hessid) < 0) { 3914 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'", 3915 line, pos); 3916 return -1; 3917 } 3918 3919 return 0; 3920} 3921 3922 3923static int wpa_config_process_sae_groups( 3924 const struct global_parse_data *data, 3925 struct wpa_config *config, int line, const char *pos) 3926{ 3927 int *groups = wpa_config_parse_int_array(pos); 3928 if (groups == NULL) { 3929 wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'", 3930 line, pos); 3931 return -1; 3932 } 3933 3934 os_free(config->sae_groups); 3935 config->sae_groups = groups; 3936 3937 return 0; 3938} 3939 3940 3941static int wpa_config_process_ap_vendor_elements( 3942 const struct global_parse_data *data, 3943 struct wpa_config *config, int line, const char *pos) 3944{ 3945 struct wpabuf *tmp; 3946 int len = os_strlen(pos) / 2; 3947 u8 *p; 3948 3949 if (!len) { 3950 wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements", 3951 line); 3952 return -1; 3953 } 3954 3955 tmp = wpabuf_alloc(len); 3956 if (tmp) { 3957 p = wpabuf_put(tmp, len); 3958 3959 if (hexstr2bin(pos, p, len)) { 3960 wpa_printf(MSG_ERROR, "Line %d: invalid " 3961 "ap_vendor_elements", line); 3962 wpabuf_free(tmp); 3963 return -1; 3964 } 3965 3966 wpabuf_free(config->ap_vendor_elements); 3967 config->ap_vendor_elements = tmp; 3968 } else { 3969 wpa_printf(MSG_ERROR, "Cannot allocate memory for " 3970 "ap_vendor_elements"); 3971 return -1; 3972 } 3973 3974 return 0; 3975} 3976 3977 3978#ifdef CONFIG_CTRL_IFACE 3979static int wpa_config_process_no_ctrl_interface( 3980 const struct global_parse_data *data, 3981 struct wpa_config *config, int line, const char *pos) 3982{ 3983 wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL"); 3984 os_free(config->ctrl_interface); 3985 config->ctrl_interface = NULL; 3986 return 0; 3987} 3988#endif /* CONFIG_CTRL_IFACE */ 3989 3990 3991#ifdef OFFSET 3992#undef OFFSET 3993#endif /* OFFSET */ 3994/* OFFSET: Get offset of a variable within the wpa_config structure */ 3995#define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v) 3996 3997#define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL 3998#define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL 3999#define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f) 4000#define INT(f) _INT(f), NULL, NULL 4001#define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max 4002#define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f) 4003#define STR(f) _STR(f), NULL, NULL 4004#define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max 4005#define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL 4006#define IPV4(f) #f, wpa_global_config_parse_ipv4, OFFSET(f), NULL, NULL 4007 4008static const struct global_parse_data global_fields[] = { 4009#ifdef CONFIG_CTRL_IFACE 4010 { STR(ctrl_interface), 0 }, 4011 { FUNC_NO_VAR(no_ctrl_interface), 0 }, 4012 { STR(ctrl_interface_group), 0 } /* deprecated */, 4013#endif /* CONFIG_CTRL_IFACE */ 4014#ifdef CONFIG_MACSEC 4015 { INT_RANGE(eapol_version, 1, 3), 0 }, 4016#else /* CONFIG_MACSEC */ 4017 { INT_RANGE(eapol_version, 1, 2), 0 }, 4018#endif /* CONFIG_MACSEC */ 4019 { INT(ap_scan), 0 }, 4020 { FUNC(bgscan), 0 }, 4021#ifdef CONFIG_MESH 4022 { INT(user_mpm), 0 }, 4023 { INT_RANGE(max_peer_links, 0, 255), 0 }, 4024#endif /* CONFIG_MESH */ 4025 { INT(disable_scan_offload), 0 }, 4026 { INT(fast_reauth), 0 }, 4027 { STR(opensc_engine_path), 0 }, 4028 { STR(pkcs11_engine_path), 0 }, 4029 { STR(pkcs11_module_path), 0 }, 4030 { STR(openssl_ciphers), 0 }, 4031 { STR(pcsc_reader), 0 }, 4032 { STR(pcsc_pin), 0 }, 4033 { INT(external_sim), 0 }, 4034 { STR(driver_param), 0 }, 4035 { INT(dot11RSNAConfigPMKLifetime), 0 }, 4036 { INT(dot11RSNAConfigPMKReauthThreshold), 0 }, 4037 { INT(dot11RSNAConfigSATimeout), 0 }, 4038#ifndef CONFIG_NO_CONFIG_WRITE 4039 { INT(update_config), 0 }, 4040#endif /* CONFIG_NO_CONFIG_WRITE */ 4041 { FUNC_NO_VAR(load_dynamic_eap), 0 }, 4042#ifdef CONFIG_WPS 4043 { FUNC(uuid), CFG_CHANGED_UUID }, 4044 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME }, 4045 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING }, 4046 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING }, 4047 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING }, 4048 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING }, 4049 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE }, 4050 { FUNC(os_version), CFG_CHANGED_OS_VERSION }, 4051 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS }, 4052 { INT_RANGE(wps_cred_processing, 0, 2), 0 }, 4053 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION }, 4054#endif /* CONFIG_WPS */ 4055#ifdef CONFIG_P2P 4056 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE }, 4057 { INT(p2p_listen_reg_class), 0 }, 4058 { INT(p2p_listen_channel), 0 }, 4059 { INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL }, 4060 { INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL }, 4061 { INT_RANGE(p2p_go_intent, 0, 15), 0 }, 4062 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX }, 4063 { INT_RANGE(persistent_reconnect, 0, 1), 0 }, 4064 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS }, 4065 { INT(p2p_group_idle), 0 }, 4066 { INT_RANGE(p2p_passphrase_len, 8, 63), 4067 CFG_CHANGED_P2P_PASSPHRASE_LEN }, 4068 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN }, 4069 { FUNC(p2p_no_go_freq), CFG_CHANGED_P2P_PREF_CHAN }, 4070 { INT_RANGE(p2p_add_cli_chan, 0, 1), 0 }, 4071 { INT_RANGE(p2p_optimize_listen_chan, 0, 1), 0 }, 4072 { INT(p2p_go_ht40), 0 }, 4073 { INT(p2p_go_vht), 0 }, 4074 { INT(p2p_disabled), 0 }, 4075 { INT(p2p_no_group_iface), 0 }, 4076 { INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 }, 4077 { IPV4(ip_addr_go), 0 }, 4078 { IPV4(ip_addr_mask), 0 }, 4079 { IPV4(ip_addr_start), 0 }, 4080 { IPV4(ip_addr_end), 0 }, 4081#endif /* CONFIG_P2P */ 4082 { FUNC(country), CFG_CHANGED_COUNTRY }, 4083 { INT(bss_max_count), 0 }, 4084 { INT(bss_expiration_age), 0 }, 4085 { INT(bss_expiration_scan_count), 0 }, 4086 { INT_RANGE(filter_ssids, 0, 1), 0 }, 4087 { INT_RANGE(filter_rssi, -100, 0), 0 }, 4088 { INT(max_num_sta), 0 }, 4089 { INT_RANGE(disassoc_low_ack, 0, 1), 0 }, 4090#ifdef CONFIG_HS20 4091 { INT_RANGE(hs20, 0, 1), 0 }, 4092#endif /* CONFIG_HS20 */ 4093 { INT_RANGE(interworking, 0, 1), 0 }, 4094 { FUNC(hessid), 0 }, 4095 { INT_RANGE(access_network_type, 0, 15), 0 }, 4096 { INT_RANGE(pbc_in_m1, 0, 1), 0 }, 4097 { STR(autoscan), 0 }, 4098 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 4099 CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4100 { BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4101 { BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4102 { BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4103 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND }, 4104 { INT(p2p_go_max_inactivity), 0 }, 4105 { INT_RANGE(auto_interworking, 0, 1), 0 }, 4106 { INT(okc), 0 }, 4107 { INT(pmf), 0 }, 4108 { FUNC(sae_groups), 0 }, 4109 { INT(dtim_period), 0 }, 4110 { INT(beacon_int), 0 }, 4111 { FUNC(ap_vendor_elements), 0 }, 4112 { INT_RANGE(ignore_old_scan_res, 0, 1), 0 }, 4113 { FUNC(freq_list), 0 }, 4114 { INT(scan_cur_freq), 0 }, 4115 { INT(sched_scan_interval), 0 }, 4116 { INT(tdls_external_control), 0}, 4117 { STR(osu_dir), 0 }, 4118 { STR(wowlan_triggers), 0 }, 4119 { INT(p2p_search_delay), 0}, 4120 { INT(mac_addr), 0 }, 4121 { INT(rand_addr_lifetime), 0 }, 4122 { INT(preassoc_mac_addr), 0 }, 4123 { INT(key_mgmt_offload), 0}, 4124}; 4125 4126#undef FUNC 4127#undef _INT 4128#undef INT 4129#undef INT_RANGE 4130#undef _STR 4131#undef STR 4132#undef STR_RANGE 4133#undef BIN 4134#undef IPV4 4135#define NUM_GLOBAL_FIELDS ARRAY_SIZE(global_fields) 4136 4137 4138int wpa_config_process_global(struct wpa_config *config, char *pos, int line) 4139{ 4140 size_t i; 4141 int ret = 0; 4142 4143 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) { 4144 const struct global_parse_data *field = &global_fields[i]; 4145 size_t flen = os_strlen(field->name); 4146 if (os_strncmp(pos, field->name, flen) != 0 || 4147 pos[flen] != '=') 4148 continue; 4149 4150 if (field->parser(field, config, line, pos + flen + 1)) { 4151 wpa_printf(MSG_ERROR, "Line %d: failed to " 4152 "parse '%s'.", line, pos); 4153 ret = -1; 4154 } 4155 if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN) 4156 config->wps_nfc_pw_from_config = 1; 4157 config->changed_parameters |= field->changed_flag; 4158 break; 4159 } 4160 if (i == NUM_GLOBAL_FIELDS) { 4161#ifdef CONFIG_AP 4162 if (os_strncmp(pos, "wmm_ac_", 7) == 0) { 4163 char *tmp = os_strchr(pos, '='); 4164 if (tmp == NULL) { 4165 if (line < 0) 4166 return -1; 4167 wpa_printf(MSG_ERROR, "Line %d: invalid line " 4168 "'%s'", line, pos); 4169 return -1; 4170 } 4171 *tmp++ = '\0'; 4172 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos, 4173 tmp)) { 4174 wpa_printf(MSG_ERROR, "Line %d: invalid WMM " 4175 "AC item", line); 4176 return -1; 4177 } 4178 } 4179#endif /* CONFIG_AP */ 4180 if (line < 0) 4181 return -1; 4182 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.", 4183 line, pos); 4184 ret = -1; 4185 } 4186 4187 return ret; 4188} 4189