config.c revision d5ab1b53af720d05586ccc0addabe93459f1f388
1/* 2 * WPA Supplicant / Configuration parser and common functions 3 * Copyright (c) 2003-2015, 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 "fst/fst.h" 19#include "config.h" 20 21 22#if !defined(CONFIG_CTRL_IFACE) && defined(CONFIG_NO_CONFIG_WRITE) 23#define NO_CONFIG_WRITE 24#endif 25 26/* 27 * Structure for network configuration parsing. This data is used to implement 28 * a generic parser for each network block variable. The table of configuration 29 * variables is defined below in this file (ssid_fields[]). 30 */ 31struct parse_data { 32 /* Configuration variable name */ 33 char *name; 34 35 /* Parser function for this variable. The parser functions return 0 or 1 36 * to indicate success. Value 0 indicates that the parameter value may 37 * have changed while value 1 means that the value did not change. 38 * Error cases (failure to parse the string) are indicated by returning 39 * -1. */ 40 int (*parser)(const struct parse_data *data, struct wpa_ssid *ssid, 41 int line, const char *value); 42 43#ifndef NO_CONFIG_WRITE 44 /* Writer function (i.e., to get the variable in text format from 45 * internal presentation). */ 46 char * (*writer)(const struct parse_data *data, struct wpa_ssid *ssid); 47#endif /* NO_CONFIG_WRITE */ 48 49 /* Variable specific parameters for the parser. */ 50 void *param1, *param2, *param3, *param4; 51 52 /* 0 = this variable can be included in debug output and ctrl_iface 53 * 1 = this variable contains key/private data and it must not be 54 * included in debug output unless explicitly requested. In 55 * addition, this variable will not be readable through the 56 * ctrl_iface. 57 */ 58 int key_data; 59}; 60 61 62static int wpa_config_parse_str(const struct parse_data *data, 63 struct wpa_ssid *ssid, 64 int line, const char *value) 65{ 66 size_t res_len, *dst_len, prev_len; 67 char **dst, *tmp; 68 69 if (os_strcmp(value, "NULL") == 0) { 70 wpa_printf(MSG_DEBUG, "Unset configuration string '%s'", 71 data->name); 72 tmp = NULL; 73 res_len = 0; 74 goto set; 75 } 76 77 tmp = wpa_config_parse_string(value, &res_len); 78 if (tmp == NULL) { 79 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.", 80 line, data->name, 81 data->key_data ? "[KEY DATA REMOVED]" : value); 82 return -1; 83 } 84 85 if (data->key_data) { 86 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name, 87 (u8 *) tmp, res_len); 88 } else { 89 wpa_hexdump_ascii(MSG_MSGDUMP, data->name, 90 (u8 *) tmp, res_len); 91 } 92 93 if (data->param3 && res_len < (size_t) data->param3) { 94 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu " 95 "min_len=%ld)", line, data->name, 96 (unsigned long) res_len, (long) data->param3); 97 os_free(tmp); 98 return -1; 99 } 100 101 if (data->param4 && res_len > (size_t) data->param4) { 102 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu " 103 "max_len=%ld)", line, data->name, 104 (unsigned long) res_len, (long) data->param4); 105 os_free(tmp); 106 return -1; 107 } 108 109set: 110 dst = (char **) (((u8 *) ssid) + (long) data->param1); 111 dst_len = (size_t *) (((u8 *) ssid) + (long) data->param2); 112 113 if (data->param2) 114 prev_len = *dst_len; 115 else if (*dst) 116 prev_len = os_strlen(*dst); 117 else 118 prev_len = 0; 119 if ((*dst == NULL && tmp == NULL) || 120 (*dst && tmp && prev_len == res_len && 121 os_memcmp(*dst, tmp, res_len) == 0)) { 122 /* No change to the previously configured value */ 123 os_free(tmp); 124 return 1; 125 } 126 127 os_free(*dst); 128 *dst = tmp; 129 if (data->param2) 130 *dst_len = res_len; 131 132 return 0; 133} 134 135 136#ifndef NO_CONFIG_WRITE 137static char * wpa_config_write_string_ascii(const u8 *value, size_t len) 138{ 139 char *buf; 140 141 buf = os_malloc(len + 3); 142 if (buf == NULL) 143 return NULL; 144 buf[0] = '"'; 145 os_memcpy(buf + 1, value, len); 146 buf[len + 1] = '"'; 147 buf[len + 2] = '\0'; 148 149 return buf; 150} 151 152 153static char * wpa_config_write_string_hex(const u8 *value, size_t len) 154{ 155 char *buf; 156 157 buf = os_zalloc(2 * len + 1); 158 if (buf == NULL) 159 return NULL; 160 wpa_snprintf_hex(buf, 2 * len + 1, value, len); 161 162 return buf; 163} 164 165 166static char * wpa_config_write_string(const u8 *value, size_t len) 167{ 168 if (value == NULL) 169 return NULL; 170 171 if (is_hex(value, len)) 172 return wpa_config_write_string_hex(value, len); 173 else 174 return wpa_config_write_string_ascii(value, len); 175} 176 177 178static char * wpa_config_write_str(const struct parse_data *data, 179 struct wpa_ssid *ssid) 180{ 181 size_t len; 182 char **src; 183 184 src = (char **) (((u8 *) ssid) + (long) data->param1); 185 if (*src == NULL) 186 return NULL; 187 188 if (data->param2) 189 len = *((size_t *) (((u8 *) ssid) + (long) data->param2)); 190 else 191 len = os_strlen(*src); 192 193 return wpa_config_write_string((const u8 *) *src, len); 194} 195#endif /* NO_CONFIG_WRITE */ 196 197 198static int wpa_config_parse_int(const struct parse_data *data, 199 struct wpa_ssid *ssid, 200 int line, const char *value) 201{ 202 int val, *dst; 203 char *end; 204 205 dst = (int *) (((u8 *) ssid) + (long) data->param1); 206 val = strtol(value, &end, 0); 207 if (*end) { 208 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"", 209 line, value); 210 return -1; 211 } 212 213 if (*dst == val) 214 return 1; 215 *dst = val; 216 wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst); 217 218 if (data->param3 && *dst < (long) data->param3) { 219 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d " 220 "min_value=%ld)", line, data->name, *dst, 221 (long) data->param3); 222 *dst = (long) data->param3; 223 return -1; 224 } 225 226 if (data->param4 && *dst > (long) data->param4) { 227 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d " 228 "max_value=%ld)", line, data->name, *dst, 229 (long) data->param4); 230 *dst = (long) data->param4; 231 return -1; 232 } 233 234 return 0; 235} 236 237 238#ifndef NO_CONFIG_WRITE 239static char * wpa_config_write_int(const struct parse_data *data, 240 struct wpa_ssid *ssid) 241{ 242 int *src, res; 243 char *value; 244 245 src = (int *) (((u8 *) ssid) + (long) data->param1); 246 247 value = os_malloc(20); 248 if (value == NULL) 249 return NULL; 250 res = os_snprintf(value, 20, "%d", *src); 251 if (os_snprintf_error(20, res)) { 252 os_free(value); 253 return NULL; 254 } 255 value[20 - 1] = '\0'; 256 return value; 257} 258#endif /* NO_CONFIG_WRITE */ 259 260 261static int wpa_config_parse_addr_list(const struct parse_data *data, 262 int line, const char *value, 263 u8 **list, size_t *num, char *name, 264 u8 abort_on_error, u8 masked) 265{ 266 const char *pos; 267 u8 *buf, *n, addr[2 * ETH_ALEN]; 268 size_t count; 269 270 buf = NULL; 271 count = 0; 272 273 pos = value; 274 while (pos && *pos) { 275 while (*pos == ' ') 276 pos++; 277 278 if (hwaddr_masked_aton(pos, addr, &addr[ETH_ALEN], masked)) { 279 if (abort_on_error || count == 0) { 280 wpa_printf(MSG_ERROR, 281 "Line %d: Invalid %s address '%s'", 282 line, name, value); 283 os_free(buf); 284 return -1; 285 } 286 /* continue anyway since this could have been from a 287 * truncated configuration file line */ 288 wpa_printf(MSG_INFO, 289 "Line %d: Ignore likely truncated %s address '%s'", 290 line, name, pos); 291 } else { 292 n = os_realloc_array(buf, count + 1, 2 * ETH_ALEN); 293 if (n == NULL) { 294 os_free(buf); 295 return -1; 296 } 297 buf = n; 298 os_memmove(buf + 2 * ETH_ALEN, buf, 299 count * 2 * ETH_ALEN); 300 os_memcpy(buf, addr, 2 * ETH_ALEN); 301 count++; 302 wpa_printf(MSG_MSGDUMP, 303 "%s: addr=" MACSTR " mask=" MACSTR, 304 name, MAC2STR(addr), 305 MAC2STR(&addr[ETH_ALEN])); 306 } 307 308 pos = os_strchr(pos, ' '); 309 } 310 311 os_free(*list); 312 *list = buf; 313 *num = count; 314 315 return 0; 316} 317 318 319#ifndef NO_CONFIG_WRITE 320static char * wpa_config_write_addr_list(const struct parse_data *data, 321 const u8 *list, size_t num, char *name) 322{ 323 char *value, *end, *pos; 324 int res; 325 size_t i; 326 327 if (list == NULL || num == 0) 328 return NULL; 329 330 value = os_malloc(2 * 20 * num); 331 if (value == NULL) 332 return NULL; 333 pos = value; 334 end = value + 2 * 20 * num; 335 336 for (i = num; i > 0; i--) { 337 const u8 *a = list + (i - 1) * 2 * ETH_ALEN; 338 const u8 *m = a + ETH_ALEN; 339 340 if (i < num) 341 *pos++ = ' '; 342 res = hwaddr_mask_txt(pos, end - pos, a, m); 343 if (res < 0) { 344 os_free(value); 345 return NULL; 346 } 347 pos += res; 348 } 349 350 return value; 351} 352#endif /* NO_CONFIG_WRITE */ 353 354static int wpa_config_parse_bssid(const struct parse_data *data, 355 struct wpa_ssid *ssid, int line, 356 const char *value) 357{ 358 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 || 359 os_strcmp(value, "any") == 0) { 360 ssid->bssid_set = 0; 361 wpa_printf(MSG_MSGDUMP, "BSSID any"); 362 return 0; 363 } 364 if (hwaddr_aton(value, ssid->bssid)) { 365 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.", 366 line, value); 367 return -1; 368 } 369 ssid->bssid_set = 1; 370 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN); 371 return 0; 372} 373 374 375#ifndef NO_CONFIG_WRITE 376static char * wpa_config_write_bssid(const struct parse_data *data, 377 struct wpa_ssid *ssid) 378{ 379 char *value; 380 int res; 381 382 if (!ssid->bssid_set) 383 return NULL; 384 385 value = os_malloc(20); 386 if (value == NULL) 387 return NULL; 388 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid)); 389 if (os_snprintf_error(20, res)) { 390 os_free(value); 391 return NULL; 392 } 393 value[20 - 1] = '\0'; 394 return value; 395} 396#endif /* NO_CONFIG_WRITE */ 397 398 399static int wpa_config_parse_bssid_blacklist(const struct parse_data *data, 400 struct wpa_ssid *ssid, int line, 401 const char *value) 402{ 403 return wpa_config_parse_addr_list(data, line, value, 404 &ssid->bssid_blacklist, 405 &ssid->num_bssid_blacklist, 406 "bssid_blacklist", 1, 1); 407} 408 409 410#ifndef NO_CONFIG_WRITE 411static char * wpa_config_write_bssid_blacklist(const struct parse_data *data, 412 struct wpa_ssid *ssid) 413{ 414 return wpa_config_write_addr_list(data, ssid->bssid_blacklist, 415 ssid->num_bssid_blacklist, 416 "bssid_blacklist"); 417} 418#endif /* NO_CONFIG_WRITE */ 419 420 421static int wpa_config_parse_bssid_whitelist(const struct parse_data *data, 422 struct wpa_ssid *ssid, int line, 423 const char *value) 424{ 425 return wpa_config_parse_addr_list(data, line, value, 426 &ssid->bssid_whitelist, 427 &ssid->num_bssid_whitelist, 428 "bssid_whitelist", 1, 1); 429} 430 431 432#ifndef NO_CONFIG_WRITE 433static char * wpa_config_write_bssid_whitelist(const struct parse_data *data, 434 struct wpa_ssid *ssid) 435{ 436 return wpa_config_write_addr_list(data, ssid->bssid_whitelist, 437 ssid->num_bssid_whitelist, 438 "bssid_whitelist"); 439} 440#endif /* NO_CONFIG_WRITE */ 441 442 443static int wpa_config_parse_psk(const struct parse_data *data, 444 struct wpa_ssid *ssid, int line, 445 const char *value) 446{ 447#ifdef CONFIG_EXT_PASSWORD 448 if (os_strncmp(value, "ext:", 4) == 0) { 449 str_clear_free(ssid->passphrase); 450 ssid->passphrase = NULL; 451 ssid->psk_set = 0; 452 os_free(ssid->ext_psk); 453 ssid->ext_psk = os_strdup(value + 4); 454 if (ssid->ext_psk == NULL) 455 return -1; 456 wpa_printf(MSG_DEBUG, "PSK: External password '%s'", 457 ssid->ext_psk); 458 return 0; 459 } 460#endif /* CONFIG_EXT_PASSWORD */ 461 462 if (*value == '"') { 463#ifndef CONFIG_NO_PBKDF2 464 const char *pos; 465 size_t len; 466 467 value++; 468 pos = os_strrchr(value, '"'); 469 if (pos) 470 len = pos - value; 471 else 472 len = os_strlen(value); 473 if (len < 8 || len > 63) { 474 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase " 475 "length %lu (expected: 8..63) '%s'.", 476 line, (unsigned long) len, value); 477 return -1; 478 } 479 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)", 480 (u8 *) value, len); 481 if (has_ctrl_char((u8 *) value, len)) { 482 wpa_printf(MSG_ERROR, 483 "Line %d: Invalid passphrase character", 484 line); 485 return -1; 486 } 487 if (ssid->passphrase && os_strlen(ssid->passphrase) == len && 488 os_memcmp(ssid->passphrase, value, len) == 0) { 489 /* No change to the previously configured value */ 490 return 1; 491 } 492 ssid->psk_set = 0; 493 str_clear_free(ssid->passphrase); 494 ssid->passphrase = dup_binstr(value, len); 495 if (ssid->passphrase == NULL) 496 return -1; 497 return 0; 498#else /* CONFIG_NO_PBKDF2 */ 499 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not " 500 "supported.", line); 501 return -1; 502#endif /* CONFIG_NO_PBKDF2 */ 503 } 504 505 if (hexstr2bin(value, ssid->psk, PMK_LEN) || 506 value[PMK_LEN * 2] != '\0') { 507 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.", 508 line, value); 509 return -1; 510 } 511 512 str_clear_free(ssid->passphrase); 513 ssid->passphrase = NULL; 514 515 ssid->psk_set = 1; 516 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN); 517 return 0; 518} 519 520 521#ifndef NO_CONFIG_WRITE 522static char * wpa_config_write_psk(const struct parse_data *data, 523 struct wpa_ssid *ssid) 524{ 525#ifdef CONFIG_EXT_PASSWORD 526 if (ssid->ext_psk) { 527 size_t len = 4 + os_strlen(ssid->ext_psk) + 1; 528 char *buf = os_malloc(len); 529 int res; 530 531 if (buf == NULL) 532 return NULL; 533 res = os_snprintf(buf, len, "ext:%s", ssid->ext_psk); 534 if (os_snprintf_error(len, res)) { 535 os_free(buf); 536 buf = NULL; 537 } 538 return buf; 539 } 540#endif /* CONFIG_EXT_PASSWORD */ 541 542 if (ssid->passphrase) 543 return wpa_config_write_string_ascii( 544 (const u8 *) ssid->passphrase, 545 os_strlen(ssid->passphrase)); 546 547 if (ssid->psk_set) 548 return wpa_config_write_string_hex(ssid->psk, PMK_LEN); 549 550 return NULL; 551} 552#endif /* NO_CONFIG_WRITE */ 553 554 555static int wpa_config_parse_proto(const struct parse_data *data, 556 struct wpa_ssid *ssid, int line, 557 const char *value) 558{ 559 int val = 0, last, errors = 0; 560 char *start, *end, *buf; 561 562 buf = os_strdup(value); 563 if (buf == NULL) 564 return -1; 565 start = buf; 566 567 while (*start != '\0') { 568 while (*start == ' ' || *start == '\t') 569 start++; 570 if (*start == '\0') 571 break; 572 end = start; 573 while (*end != ' ' && *end != '\t' && *end != '\0') 574 end++; 575 last = *end == '\0'; 576 *end = '\0'; 577 if (os_strcmp(start, "WPA") == 0) 578 val |= WPA_PROTO_WPA; 579 else if (os_strcmp(start, "RSN") == 0 || 580 os_strcmp(start, "WPA2") == 0) 581 val |= WPA_PROTO_RSN; 582 else if (os_strcmp(start, "OSEN") == 0) 583 val |= WPA_PROTO_OSEN; 584 else { 585 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'", 586 line, start); 587 errors++; 588 } 589 590 if (last) 591 break; 592 start = end + 1; 593 } 594 os_free(buf); 595 596 if (val == 0) { 597 wpa_printf(MSG_ERROR, 598 "Line %d: no proto values configured.", line); 599 errors++; 600 } 601 602 if (!errors && ssid->proto == val) 603 return 1; 604 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val); 605 ssid->proto = val; 606 return errors ? -1 : 0; 607} 608 609 610#ifndef NO_CONFIG_WRITE 611static char * wpa_config_write_proto(const struct parse_data *data, 612 struct wpa_ssid *ssid) 613{ 614 int ret; 615 char *buf, *pos, *end; 616 617 pos = buf = os_zalloc(20); 618 if (buf == NULL) 619 return NULL; 620 end = buf + 20; 621 622 if (ssid->proto & WPA_PROTO_WPA) { 623 ret = os_snprintf(pos, end - pos, "%sWPA", 624 pos == buf ? "" : " "); 625 if (os_snprintf_error(end - pos, ret)) 626 return buf; 627 pos += ret; 628 } 629 630 if (ssid->proto & WPA_PROTO_RSN) { 631 ret = os_snprintf(pos, end - pos, "%sRSN", 632 pos == buf ? "" : " "); 633 if (os_snprintf_error(end - pos, ret)) 634 return buf; 635 pos += ret; 636 } 637 638 if (ssid->proto & WPA_PROTO_OSEN) { 639 ret = os_snprintf(pos, end - pos, "%sOSEN", 640 pos == buf ? "" : " "); 641 if (os_snprintf_error(end - pos, ret)) 642 return buf; 643 pos += ret; 644 } 645 646 if (pos == buf) { 647 os_free(buf); 648 buf = NULL; 649 } 650 651 return buf; 652} 653#endif /* NO_CONFIG_WRITE */ 654 655 656static int wpa_config_parse_key_mgmt(const struct parse_data *data, 657 struct wpa_ssid *ssid, int line, 658 const char *value) 659{ 660 int val = 0, last, errors = 0; 661 char *start, *end, *buf; 662 663 buf = os_strdup(value); 664 if (buf == NULL) 665 return -1; 666 start = buf; 667 668 while (*start != '\0') { 669 while (*start == ' ' || *start == '\t') 670 start++; 671 if (*start == '\0') 672 break; 673 end = start; 674 while (*end != ' ' && *end != '\t' && *end != '\0') 675 end++; 676 last = *end == '\0'; 677 *end = '\0'; 678 if (os_strcmp(start, "WPA-PSK") == 0) 679 val |= WPA_KEY_MGMT_PSK; 680 else if (os_strcmp(start, "WPA-EAP") == 0) 681 val |= WPA_KEY_MGMT_IEEE8021X; 682 else if (os_strcmp(start, "IEEE8021X") == 0) 683 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA; 684 else if (os_strcmp(start, "NONE") == 0) 685 val |= WPA_KEY_MGMT_NONE; 686 else if (os_strcmp(start, "WPA-NONE") == 0) 687 val |= WPA_KEY_MGMT_WPA_NONE; 688#ifdef CONFIG_IEEE80211R 689 else if (os_strcmp(start, "FT-PSK") == 0) 690 val |= WPA_KEY_MGMT_FT_PSK; 691 else if (os_strcmp(start, "FT-EAP") == 0) 692 val |= WPA_KEY_MGMT_FT_IEEE8021X; 693#endif /* CONFIG_IEEE80211R */ 694#ifdef CONFIG_IEEE80211W 695 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0) 696 val |= WPA_KEY_MGMT_PSK_SHA256; 697 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0) 698 val |= WPA_KEY_MGMT_IEEE8021X_SHA256; 699#endif /* CONFIG_IEEE80211W */ 700#ifdef CONFIG_WPS 701 else if (os_strcmp(start, "WPS") == 0) 702 val |= WPA_KEY_MGMT_WPS; 703#endif /* CONFIG_WPS */ 704#ifdef CONFIG_SAE 705 else if (os_strcmp(start, "SAE") == 0) 706 val |= WPA_KEY_MGMT_SAE; 707 else if (os_strcmp(start, "FT-SAE") == 0) 708 val |= WPA_KEY_MGMT_FT_SAE; 709#endif /* CONFIG_SAE */ 710#ifdef CONFIG_HS20 711 else if (os_strcmp(start, "OSEN") == 0) 712 val |= WPA_KEY_MGMT_OSEN; 713#endif /* CONFIG_HS20 */ 714#ifdef CONFIG_SUITEB 715 else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0) 716 val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B; 717#endif /* CONFIG_SUITEB */ 718#ifdef CONFIG_SUITEB192 719 else if (os_strcmp(start, "WPA-EAP-SUITE-B-192") == 0) 720 val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192; 721#endif /* CONFIG_SUITEB192 */ 722 else { 723 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'", 724 line, start); 725 errors++; 726 } 727 728 if (last) 729 break; 730 start = end + 1; 731 } 732 os_free(buf); 733 734 if (val == 0) { 735 wpa_printf(MSG_ERROR, 736 "Line %d: no key_mgmt values configured.", line); 737 errors++; 738 } 739 740 if (!errors && ssid->key_mgmt == val) 741 return 1; 742 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val); 743 ssid->key_mgmt = val; 744 return errors ? -1 : 0; 745} 746 747 748#ifndef NO_CONFIG_WRITE 749static char * wpa_config_write_key_mgmt(const struct parse_data *data, 750 struct wpa_ssid *ssid) 751{ 752 char *buf, *pos, *end; 753 int ret; 754 755 pos = buf = os_zalloc(100); 756 if (buf == NULL) 757 return NULL; 758 end = buf + 100; 759 760 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { 761 ret = os_snprintf(pos, end - pos, "%sWPA-PSK", 762 pos == buf ? "" : " "); 763 if (os_snprintf_error(end - pos, ret)) { 764 end[-1] = '\0'; 765 return buf; 766 } 767 pos += ret; 768 } 769 770 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) { 771 ret = os_snprintf(pos, end - pos, "%sWPA-EAP", 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_IEEE8021X_NO_WPA) { 781 ret = os_snprintf(pos, end - pos, "%sIEEE8021X", 782 pos == buf ? "" : " "); 783 if (os_snprintf_error(end - pos, ret)) { 784 end[-1] = '\0'; 785 return buf; 786 } 787 pos += ret; 788 } 789 790 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) { 791 ret = os_snprintf(pos, end - pos, "%sNONE", 792 pos == buf ? "" : " "); 793 if (os_snprintf_error(end - pos, ret)) { 794 end[-1] = '\0'; 795 return buf; 796 } 797 pos += ret; 798 } 799 800 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) { 801 ret = os_snprintf(pos, end - pos, "%sWPA-NONE", 802 pos == buf ? "" : " "); 803 if (os_snprintf_error(end - pos, ret)) { 804 end[-1] = '\0'; 805 return buf; 806 } 807 pos += ret; 808 } 809 810#ifdef CONFIG_IEEE80211R 811 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK) { 812 ret = os_snprintf(pos, end - pos, "%sFT-PSK", 813 pos == buf ? "" : " "); 814 if (os_snprintf_error(end - pos, ret)) { 815 end[-1] = '\0'; 816 return buf; 817 } 818 pos += ret; 819 } 820 821 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) { 822 ret = os_snprintf(pos, end - pos, "%sFT-EAP", 823 pos == buf ? "" : " "); 824 if (os_snprintf_error(end - pos, ret)) { 825 end[-1] = '\0'; 826 return buf; 827 } 828 pos += ret; 829 } 830#endif /* CONFIG_IEEE80211R */ 831 832#ifdef CONFIG_IEEE80211W 833 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256) { 834 ret = os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256", 835 pos == buf ? "" : " "); 836 if (os_snprintf_error(end - pos, ret)) { 837 end[-1] = '\0'; 838 return buf; 839 } 840 pos += ret; 841 } 842 843 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) { 844 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256", 845 pos == buf ? "" : " "); 846 if (os_snprintf_error(end - pos, ret)) { 847 end[-1] = '\0'; 848 return buf; 849 } 850 pos += ret; 851 } 852#endif /* CONFIG_IEEE80211W */ 853 854#ifdef CONFIG_WPS 855 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 856 ret = os_snprintf(pos, end - pos, "%sWPS", 857 pos == buf ? "" : " "); 858 if (os_snprintf_error(end - pos, ret)) { 859 end[-1] = '\0'; 860 return buf; 861 } 862 pos += ret; 863 } 864#endif /* CONFIG_WPS */ 865 866#ifdef CONFIG_SAE 867 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) { 868 ret = os_snprintf(pos, end - pos, "%sSAE", 869 pos == buf ? "" : " "); 870 if (os_snprintf_error(end - pos, ret)) { 871 end[-1] = '\0'; 872 return buf; 873 } 874 pos += ret; 875 } 876 877 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_SAE) { 878 ret = os_snprintf(pos, end - pos, "%sFT-SAE", 879 pos == buf ? "" : " "); 880 if (os_snprintf_error(end - pos, ret)) { 881 end[-1] = '\0'; 882 return buf; 883 } 884 pos += ret; 885 } 886#endif /* CONFIG_SAE */ 887 888#ifdef CONFIG_HS20 889 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) { 890 ret = os_snprintf(pos, end - pos, "%sOSEN", 891 pos == buf ? "" : " "); 892 if (os_snprintf_error(end - pos, ret)) { 893 end[-1] = '\0'; 894 return buf; 895 } 896 pos += ret; 897 } 898#endif /* CONFIG_HS20 */ 899 900#ifdef CONFIG_SUITEB 901 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { 902 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B", 903 pos == buf ? "" : " "); 904 if (os_snprintf_error(end - pos, ret)) { 905 end[-1] = '\0'; 906 return buf; 907 } 908 pos += ret; 909 } 910#endif /* CONFIG_SUITEB */ 911 912#ifdef CONFIG_SUITEB192 913 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { 914 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B-192", 915 pos == buf ? "" : " "); 916 if (os_snprintf_error(end - pos, ret)) { 917 end[-1] = '\0'; 918 return buf; 919 } 920 pos += ret; 921 } 922#endif /* CONFIG_SUITEB192 */ 923 924 if (pos == buf) { 925 os_free(buf); 926 buf = NULL; 927 } 928 929 return buf; 930} 931#endif /* NO_CONFIG_WRITE */ 932 933 934static int wpa_config_parse_cipher(int line, const char *value) 935{ 936#ifdef CONFIG_NO_WPA 937 return -1; 938#else /* CONFIG_NO_WPA */ 939 int val = wpa_parse_cipher(value); 940 if (val < 0) { 941 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.", 942 line, value); 943 return -1; 944 } 945 if (val == 0) { 946 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.", 947 line); 948 return -1; 949 } 950 return val; 951#endif /* CONFIG_NO_WPA */ 952} 953 954 955#ifndef NO_CONFIG_WRITE 956static char * wpa_config_write_cipher(int cipher) 957{ 958#ifdef CONFIG_NO_WPA 959 return NULL; 960#else /* CONFIG_NO_WPA */ 961 char *buf = os_zalloc(50); 962 if (buf == NULL) 963 return NULL; 964 965 if (wpa_write_ciphers(buf, buf + 50, cipher, " ") < 0) { 966 os_free(buf); 967 return NULL; 968 } 969 970 return buf; 971#endif /* CONFIG_NO_WPA */ 972} 973#endif /* NO_CONFIG_WRITE */ 974 975 976static int wpa_config_parse_pairwise(const struct parse_data *data, 977 struct wpa_ssid *ssid, int line, 978 const char *value) 979{ 980 int val; 981 val = wpa_config_parse_cipher(line, value); 982 if (val == -1) 983 return -1; 984 if (val & ~WPA_ALLOWED_PAIRWISE_CIPHERS) { 985 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher " 986 "(0x%x).", line, val); 987 return -1; 988 } 989 990 if (ssid->pairwise_cipher == val) 991 return 1; 992 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val); 993 ssid->pairwise_cipher = val; 994 return 0; 995} 996 997 998#ifndef NO_CONFIG_WRITE 999static char * wpa_config_write_pairwise(const struct parse_data *data, 1000 struct wpa_ssid *ssid) 1001{ 1002 return wpa_config_write_cipher(ssid->pairwise_cipher); 1003} 1004#endif /* NO_CONFIG_WRITE */ 1005 1006 1007static int wpa_config_parse_group(const struct parse_data *data, 1008 struct wpa_ssid *ssid, int line, 1009 const char *value) 1010{ 1011 int val; 1012 val = wpa_config_parse_cipher(line, value); 1013 if (val == -1) 1014 return -1; 1015 1016 /* 1017 * Backwards compatibility - filter out WEP ciphers that were previously 1018 * allowed. 1019 */ 1020 val &= ~(WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40); 1021 1022 if (val & ~WPA_ALLOWED_GROUP_CIPHERS) { 1023 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher " 1024 "(0x%x).", line, val); 1025 return -1; 1026 } 1027 1028 if (ssid->group_cipher == val) 1029 return 1; 1030 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val); 1031 ssid->group_cipher = val; 1032 return 0; 1033} 1034 1035 1036#ifndef NO_CONFIG_WRITE 1037static char * wpa_config_write_group(const struct parse_data *data, 1038 struct wpa_ssid *ssid) 1039{ 1040 return wpa_config_write_cipher(ssid->group_cipher); 1041} 1042#endif /* NO_CONFIG_WRITE */ 1043 1044 1045static int wpa_config_parse_auth_alg(const struct parse_data *data, 1046 struct wpa_ssid *ssid, int line, 1047 const char *value) 1048{ 1049 int val = 0, last, errors = 0; 1050 char *start, *end, *buf; 1051 1052 buf = os_strdup(value); 1053 if (buf == NULL) 1054 return -1; 1055 start = buf; 1056 1057 while (*start != '\0') { 1058 while (*start == ' ' || *start == '\t') 1059 start++; 1060 if (*start == '\0') 1061 break; 1062 end = start; 1063 while (*end != ' ' && *end != '\t' && *end != '\0') 1064 end++; 1065 last = *end == '\0'; 1066 *end = '\0'; 1067 if (os_strcmp(start, "OPEN") == 0) 1068 val |= WPA_AUTH_ALG_OPEN; 1069 else if (os_strcmp(start, "SHARED") == 0) 1070 val |= WPA_AUTH_ALG_SHARED; 1071 else if (os_strcmp(start, "LEAP") == 0) 1072 val |= WPA_AUTH_ALG_LEAP; 1073 else { 1074 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'", 1075 line, start); 1076 errors++; 1077 } 1078 1079 if (last) 1080 break; 1081 start = end + 1; 1082 } 1083 os_free(buf); 1084 1085 if (val == 0) { 1086 wpa_printf(MSG_ERROR, 1087 "Line %d: no auth_alg values configured.", line); 1088 errors++; 1089 } 1090 1091 if (!errors && ssid->auth_alg == val) 1092 return 1; 1093 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val); 1094 ssid->auth_alg = val; 1095 return errors ? -1 : 0; 1096} 1097 1098 1099#ifndef NO_CONFIG_WRITE 1100static char * wpa_config_write_auth_alg(const struct parse_data *data, 1101 struct wpa_ssid *ssid) 1102{ 1103 char *buf, *pos, *end; 1104 int ret; 1105 1106 pos = buf = os_zalloc(30); 1107 if (buf == NULL) 1108 return NULL; 1109 end = buf + 30; 1110 1111 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) { 1112 ret = os_snprintf(pos, end - pos, "%sOPEN", 1113 pos == buf ? "" : " "); 1114 if (os_snprintf_error(end - pos, ret)) { 1115 end[-1] = '\0'; 1116 return buf; 1117 } 1118 pos += ret; 1119 } 1120 1121 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) { 1122 ret = os_snprintf(pos, end - pos, "%sSHARED", 1123 pos == buf ? "" : " "); 1124 if (os_snprintf_error(end - pos, ret)) { 1125 end[-1] = '\0'; 1126 return buf; 1127 } 1128 pos += ret; 1129 } 1130 1131 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) { 1132 ret = os_snprintf(pos, end - pos, "%sLEAP", 1133 pos == buf ? "" : " "); 1134 if (os_snprintf_error(end - pos, ret)) { 1135 end[-1] = '\0'; 1136 return buf; 1137 } 1138 pos += ret; 1139 } 1140 1141 if (pos == buf) { 1142 os_free(buf); 1143 buf = NULL; 1144 } 1145 1146 return buf; 1147} 1148#endif /* NO_CONFIG_WRITE */ 1149 1150 1151static int * wpa_config_parse_int_array(const char *value) 1152{ 1153 int *freqs; 1154 size_t used, len; 1155 const char *pos; 1156 1157 used = 0; 1158 len = 10; 1159 freqs = os_calloc(len + 1, sizeof(int)); 1160 if (freqs == NULL) 1161 return NULL; 1162 1163 pos = value; 1164 while (pos) { 1165 while (*pos == ' ') 1166 pos++; 1167 if (used == len) { 1168 int *n; 1169 size_t i; 1170 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int)); 1171 if (n == NULL) { 1172 os_free(freqs); 1173 return NULL; 1174 } 1175 for (i = len; i <= len * 2; i++) 1176 n[i] = 0; 1177 freqs = n; 1178 len *= 2; 1179 } 1180 1181 freqs[used] = atoi(pos); 1182 if (freqs[used] == 0) 1183 break; 1184 used++; 1185 pos = os_strchr(pos + 1, ' '); 1186 } 1187 1188 return freqs; 1189} 1190 1191 1192static int wpa_config_parse_scan_freq(const struct parse_data *data, 1193 struct wpa_ssid *ssid, int line, 1194 const char *value) 1195{ 1196 int *freqs; 1197 1198 freqs = wpa_config_parse_int_array(value); 1199 if (freqs == NULL) 1200 return -1; 1201 if (freqs[0] == 0) { 1202 os_free(freqs); 1203 freqs = NULL; 1204 } 1205 os_free(ssid->scan_freq); 1206 ssid->scan_freq = freqs; 1207 1208 return 0; 1209} 1210 1211 1212static int wpa_config_parse_freq_list(const struct parse_data *data, 1213 struct wpa_ssid *ssid, int line, 1214 const char *value) 1215{ 1216 int *freqs; 1217 1218 freqs = wpa_config_parse_int_array(value); 1219 if (freqs == NULL) 1220 return -1; 1221 if (freqs[0] == 0) { 1222 os_free(freqs); 1223 freqs = NULL; 1224 } 1225 os_free(ssid->freq_list); 1226 ssid->freq_list = freqs; 1227 1228 return 0; 1229} 1230 1231 1232#ifndef NO_CONFIG_WRITE 1233static char * wpa_config_write_freqs(const struct parse_data *data, 1234 const int *freqs) 1235{ 1236 char *buf, *pos, *end; 1237 int i, ret; 1238 size_t count; 1239 1240 if (freqs == NULL) 1241 return NULL; 1242 1243 count = 0; 1244 for (i = 0; freqs[i]; i++) 1245 count++; 1246 1247 pos = buf = os_zalloc(10 * count + 1); 1248 if (buf == NULL) 1249 return NULL; 1250 end = buf + 10 * count + 1; 1251 1252 for (i = 0; freqs[i]; i++) { 1253 ret = os_snprintf(pos, end - pos, "%s%u", 1254 i == 0 ? "" : " ", freqs[i]); 1255 if (os_snprintf_error(end - pos, ret)) { 1256 end[-1] = '\0'; 1257 return buf; 1258 } 1259 pos += ret; 1260 } 1261 1262 return buf; 1263} 1264 1265 1266static char * wpa_config_write_scan_freq(const struct parse_data *data, 1267 struct wpa_ssid *ssid) 1268{ 1269 return wpa_config_write_freqs(data, ssid->scan_freq); 1270} 1271 1272 1273static char * wpa_config_write_freq_list(const struct parse_data *data, 1274 struct wpa_ssid *ssid) 1275{ 1276 return wpa_config_write_freqs(data, ssid->freq_list); 1277} 1278#endif /* NO_CONFIG_WRITE */ 1279 1280 1281#ifdef IEEE8021X_EAPOL 1282static int wpa_config_parse_eap(const struct parse_data *data, 1283 struct wpa_ssid *ssid, int line, 1284 const char *value) 1285{ 1286 int last, errors = 0; 1287 char *start, *end, *buf; 1288 struct eap_method_type *methods = NULL, *tmp; 1289 size_t num_methods = 0; 1290 1291 buf = os_strdup(value); 1292 if (buf == NULL) 1293 return -1; 1294 start = buf; 1295 1296 while (*start != '\0') { 1297 while (*start == ' ' || *start == '\t') 1298 start++; 1299 if (*start == '\0') 1300 break; 1301 end = start; 1302 while (*end != ' ' && *end != '\t' && *end != '\0') 1303 end++; 1304 last = *end == '\0'; 1305 *end = '\0'; 1306 tmp = methods; 1307 methods = os_realloc_array(methods, num_methods + 1, 1308 sizeof(*methods)); 1309 if (methods == NULL) { 1310 os_free(tmp); 1311 os_free(buf); 1312 return -1; 1313 } 1314 methods[num_methods].method = eap_peer_get_type( 1315 start, &methods[num_methods].vendor); 1316 if (methods[num_methods].vendor == EAP_VENDOR_IETF && 1317 methods[num_methods].method == EAP_TYPE_NONE) { 1318 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method " 1319 "'%s'", line, start); 1320 wpa_printf(MSG_ERROR, "You may need to add support for" 1321 " this EAP method during wpa_supplicant\n" 1322 "build time configuration.\n" 1323 "See README for more information."); 1324 errors++; 1325 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF && 1326 methods[num_methods].method == EAP_TYPE_LEAP) 1327 ssid->leap++; 1328 else 1329 ssid->non_leap++; 1330 num_methods++; 1331 if (last) 1332 break; 1333 start = end + 1; 1334 } 1335 os_free(buf); 1336 1337 tmp = methods; 1338 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods)); 1339 if (methods == NULL) { 1340 os_free(tmp); 1341 return -1; 1342 } 1343 methods[num_methods].vendor = EAP_VENDOR_IETF; 1344 methods[num_methods].method = EAP_TYPE_NONE; 1345 num_methods++; 1346 1347 if (!errors && ssid->eap.eap_methods) { 1348 struct eap_method_type *prev_m; 1349 size_t i, j, prev_methods, match = 0; 1350 1351 prev_m = ssid->eap.eap_methods; 1352 for (i = 0; prev_m[i].vendor != EAP_VENDOR_IETF || 1353 prev_m[i].method != EAP_TYPE_NONE; i++) { 1354 /* Count the methods */ 1355 } 1356 prev_methods = i + 1; 1357 1358 for (i = 0; prev_methods == num_methods && i < prev_methods; 1359 i++) { 1360 for (j = 0; j < num_methods; j++) { 1361 if (prev_m[i].vendor == methods[j].vendor && 1362 prev_m[i].method == methods[j].method) { 1363 match++; 1364 break; 1365 } 1366 } 1367 } 1368 if (match == num_methods) { 1369 os_free(methods); 1370 return 1; 1371 } 1372 } 1373 wpa_hexdump(MSG_MSGDUMP, "eap methods", 1374 (u8 *) methods, num_methods * sizeof(*methods)); 1375 os_free(ssid->eap.eap_methods); 1376 ssid->eap.eap_methods = methods; 1377 return errors ? -1 : 0; 1378} 1379 1380 1381#ifndef NO_CONFIG_WRITE 1382static char * wpa_config_write_eap(const struct parse_data *data, 1383 struct wpa_ssid *ssid) 1384{ 1385 int i, ret; 1386 char *buf, *pos, *end; 1387 const struct eap_method_type *eap_methods = ssid->eap.eap_methods; 1388 const char *name; 1389 1390 if (eap_methods == NULL) 1391 return NULL; 1392 1393 pos = buf = os_zalloc(100); 1394 if (buf == NULL) 1395 return NULL; 1396 end = buf + 100; 1397 1398 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF || 1399 eap_methods[i].method != EAP_TYPE_NONE; i++) { 1400 name = eap_get_name(eap_methods[i].vendor, 1401 eap_methods[i].method); 1402 if (name) { 1403 ret = os_snprintf(pos, end - pos, "%s%s", 1404 pos == buf ? "" : " ", name); 1405 if (os_snprintf_error(end - pos, ret)) 1406 break; 1407 pos += ret; 1408 } 1409 } 1410 1411 end[-1] = '\0'; 1412 1413 return buf; 1414} 1415#endif /* NO_CONFIG_WRITE */ 1416 1417 1418static int wpa_config_parse_password(const struct parse_data *data, 1419 struct wpa_ssid *ssid, int line, 1420 const char *value) 1421{ 1422 u8 *hash; 1423 1424 if (os_strcmp(value, "NULL") == 0) { 1425 if (!ssid->eap.password) 1426 return 1; /* Already unset */ 1427 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'"); 1428 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1429 ssid->eap.password = NULL; 1430 ssid->eap.password_len = 0; 1431 return 0; 1432 } 1433 1434#ifdef CONFIG_EXT_PASSWORD 1435 if (os_strncmp(value, "ext:", 4) == 0) { 1436 char *name = os_strdup(value + 4); 1437 if (name == NULL) 1438 return -1; 1439 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1440 ssid->eap.password = (u8 *) name; 1441 ssid->eap.password_len = os_strlen(name); 1442 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1443 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD; 1444 return 0; 1445 } 1446#endif /* CONFIG_EXT_PASSWORD */ 1447 1448 if (os_strncmp(value, "hash:", 5) != 0) { 1449 char *tmp; 1450 size_t res_len; 1451 1452 tmp = wpa_config_parse_string(value, &res_len); 1453 if (tmp == NULL) { 1454 wpa_printf(MSG_ERROR, "Line %d: failed to parse " 1455 "password.", line); 1456 return -1; 1457 } 1458 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name, 1459 (u8 *) tmp, res_len); 1460 1461 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1462 ssid->eap.password = (u8 *) tmp; 1463 ssid->eap.password_len = res_len; 1464 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1465 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD; 1466 1467 return 0; 1468 } 1469 1470 1471 /* NtPasswordHash: hash:<32 hex digits> */ 1472 if (os_strlen(value + 5) != 2 * 16) { 1473 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length " 1474 "(expected 32 hex digits)", line); 1475 return -1; 1476 } 1477 1478 hash = os_malloc(16); 1479 if (hash == NULL) 1480 return -1; 1481 1482 if (hexstr2bin(value + 5, hash, 16)) { 1483 os_free(hash); 1484 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line); 1485 return -1; 1486 } 1487 1488 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16); 1489 1490 if (ssid->eap.password && ssid->eap.password_len == 16 && 1491 os_memcmp(ssid->eap.password, hash, 16) == 0 && 1492 (ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) { 1493 bin_clear_free(hash, 16); 1494 return 1; 1495 } 1496 bin_clear_free(ssid->eap.password, ssid->eap.password_len); 1497 ssid->eap.password = hash; 1498 ssid->eap.password_len = 16; 1499 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH; 1500 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD; 1501 1502 return 0; 1503} 1504 1505 1506#ifndef NO_CONFIG_WRITE 1507static char * wpa_config_write_password(const struct parse_data *data, 1508 struct wpa_ssid *ssid) 1509{ 1510 char *buf; 1511 1512 if (ssid->eap.password == NULL) 1513 return NULL; 1514 1515#ifdef CONFIG_EXT_PASSWORD 1516 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) { 1517 buf = os_zalloc(4 + ssid->eap.password_len + 1); 1518 if (buf == NULL) 1519 return NULL; 1520 os_memcpy(buf, "ext:", 4); 1521 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len); 1522 return buf; 1523 } 1524#endif /* CONFIG_EXT_PASSWORD */ 1525 1526 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) { 1527 return wpa_config_write_string( 1528 ssid->eap.password, ssid->eap.password_len); 1529 } 1530 1531 buf = os_malloc(5 + 32 + 1); 1532 if (buf == NULL) 1533 return NULL; 1534 1535 os_memcpy(buf, "hash:", 5); 1536 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16); 1537 1538 return buf; 1539} 1540#endif /* NO_CONFIG_WRITE */ 1541#endif /* IEEE8021X_EAPOL */ 1542 1543 1544static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line, 1545 const char *value, int idx) 1546{ 1547 char *buf, title[20]; 1548 int res; 1549 1550 buf = wpa_config_parse_string(value, len); 1551 if (buf == NULL) { 1552 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.", 1553 line, idx, value); 1554 return -1; 1555 } 1556 if (*len > MAX_WEP_KEY_LEN) { 1557 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.", 1558 line, idx, value); 1559 os_free(buf); 1560 return -1; 1561 } 1562 if (*len && *len != 5 && *len != 13 && *len != 16) { 1563 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - " 1564 "this network block will be ignored", 1565 line, (unsigned int) *len); 1566 } 1567 os_memcpy(key, buf, *len); 1568 str_clear_free(buf); 1569 res = os_snprintf(title, sizeof(title), "wep_key%d", idx); 1570 if (!os_snprintf_error(sizeof(title), res)) 1571 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len); 1572 return 0; 1573} 1574 1575 1576static int wpa_config_parse_wep_key0(const struct parse_data *data, 1577 struct wpa_ssid *ssid, int line, 1578 const char *value) 1579{ 1580 return wpa_config_parse_wep_key(ssid->wep_key[0], 1581 &ssid->wep_key_len[0], line, 1582 value, 0); 1583} 1584 1585 1586static int wpa_config_parse_wep_key1(const struct parse_data *data, 1587 struct wpa_ssid *ssid, int line, 1588 const char *value) 1589{ 1590 return wpa_config_parse_wep_key(ssid->wep_key[1], 1591 &ssid->wep_key_len[1], line, 1592 value, 1); 1593} 1594 1595 1596static int wpa_config_parse_wep_key2(const struct parse_data *data, 1597 struct wpa_ssid *ssid, int line, 1598 const char *value) 1599{ 1600 return wpa_config_parse_wep_key(ssid->wep_key[2], 1601 &ssid->wep_key_len[2], line, 1602 value, 2); 1603} 1604 1605 1606static int wpa_config_parse_wep_key3(const struct parse_data *data, 1607 struct wpa_ssid *ssid, int line, 1608 const char *value) 1609{ 1610 return wpa_config_parse_wep_key(ssid->wep_key[3], 1611 &ssid->wep_key_len[3], line, 1612 value, 3); 1613} 1614 1615 1616#ifndef NO_CONFIG_WRITE 1617static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx) 1618{ 1619 if (ssid->wep_key_len[idx] == 0) 1620 return NULL; 1621 return wpa_config_write_string(ssid->wep_key[idx], 1622 ssid->wep_key_len[idx]); 1623} 1624 1625 1626static char * wpa_config_write_wep_key0(const struct parse_data *data, 1627 struct wpa_ssid *ssid) 1628{ 1629 return wpa_config_write_wep_key(ssid, 0); 1630} 1631 1632 1633static char * wpa_config_write_wep_key1(const struct parse_data *data, 1634 struct wpa_ssid *ssid) 1635{ 1636 return wpa_config_write_wep_key(ssid, 1); 1637} 1638 1639 1640static char * wpa_config_write_wep_key2(const struct parse_data *data, 1641 struct wpa_ssid *ssid) 1642{ 1643 return wpa_config_write_wep_key(ssid, 2); 1644} 1645 1646 1647static char * wpa_config_write_wep_key3(const struct parse_data *data, 1648 struct wpa_ssid *ssid) 1649{ 1650 return wpa_config_write_wep_key(ssid, 3); 1651} 1652#endif /* NO_CONFIG_WRITE */ 1653 1654 1655#ifdef CONFIG_P2P 1656 1657static int wpa_config_parse_go_p2p_dev_addr(const struct parse_data *data, 1658 struct wpa_ssid *ssid, int line, 1659 const char *value) 1660{ 1661 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 || 1662 os_strcmp(value, "any") == 0) { 1663 os_memset(ssid->go_p2p_dev_addr, 0, ETH_ALEN); 1664 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address any"); 1665 return 0; 1666 } 1667 if (hwaddr_aton(value, ssid->go_p2p_dev_addr)) { 1668 wpa_printf(MSG_ERROR, "Line %d: Invalid GO P2P Device Address '%s'.", 1669 line, value); 1670 return -1; 1671 } 1672 ssid->bssid_set = 1; 1673 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address " MACSTR, 1674 MAC2STR(ssid->go_p2p_dev_addr)); 1675 return 0; 1676} 1677 1678 1679#ifndef NO_CONFIG_WRITE 1680static char * wpa_config_write_go_p2p_dev_addr(const struct parse_data *data, 1681 struct wpa_ssid *ssid) 1682{ 1683 char *value; 1684 int res; 1685 1686 if (is_zero_ether_addr(ssid->go_p2p_dev_addr)) 1687 return NULL; 1688 1689 value = os_malloc(20); 1690 if (value == NULL) 1691 return NULL; 1692 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->go_p2p_dev_addr)); 1693 if (os_snprintf_error(20, res)) { 1694 os_free(value); 1695 return NULL; 1696 } 1697 value[20 - 1] = '\0'; 1698 return value; 1699} 1700#endif /* NO_CONFIG_WRITE */ 1701 1702 1703static int wpa_config_parse_p2p_client_list(const struct parse_data *data, 1704 struct wpa_ssid *ssid, int line, 1705 const char *value) 1706{ 1707 return wpa_config_parse_addr_list(data, line, value, 1708 &ssid->p2p_client_list, 1709 &ssid->num_p2p_clients, 1710 "p2p_client_list", 0, 0); 1711} 1712 1713 1714#ifndef NO_CONFIG_WRITE 1715static char * wpa_config_write_p2p_client_list(const struct parse_data *data, 1716 struct wpa_ssid *ssid) 1717{ 1718 return wpa_config_write_addr_list(data, ssid->p2p_client_list, 1719 ssid->num_p2p_clients, 1720 "p2p_client_list"); 1721} 1722#endif /* NO_CONFIG_WRITE */ 1723 1724 1725static int wpa_config_parse_psk_list(const struct parse_data *data, 1726 struct wpa_ssid *ssid, int line, 1727 const char *value) 1728{ 1729 struct psk_list_entry *p; 1730 const char *pos; 1731 1732 p = os_zalloc(sizeof(*p)); 1733 if (p == NULL) 1734 return -1; 1735 1736 pos = value; 1737 if (os_strncmp(pos, "P2P-", 4) == 0) { 1738 p->p2p = 1; 1739 pos += 4; 1740 } 1741 1742 if (hwaddr_aton(pos, p->addr)) { 1743 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list address '%s'", 1744 line, pos); 1745 os_free(p); 1746 return -1; 1747 } 1748 pos += 17; 1749 if (*pos != '-') { 1750 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list '%s'", 1751 line, pos); 1752 os_free(p); 1753 return -1; 1754 } 1755 pos++; 1756 1757 if (hexstr2bin(pos, p->psk, PMK_LEN) || pos[PMK_LEN * 2] != '\0') { 1758 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list PSK '%s'", 1759 line, pos); 1760 os_free(p); 1761 return -1; 1762 } 1763 1764 dl_list_add(&ssid->psk_list, &p->list); 1765 1766 return 0; 1767} 1768 1769 1770#ifndef NO_CONFIG_WRITE 1771static char * wpa_config_write_psk_list(const struct parse_data *data, 1772 struct wpa_ssid *ssid) 1773{ 1774 return NULL; 1775} 1776#endif /* NO_CONFIG_WRITE */ 1777 1778#endif /* CONFIG_P2P */ 1779 1780 1781#ifdef CONFIG_MESH 1782 1783static int wpa_config_parse_mesh_basic_rates(const struct parse_data *data, 1784 struct wpa_ssid *ssid, int line, 1785 const char *value) 1786{ 1787 int *rates = wpa_config_parse_int_array(value); 1788 1789 if (rates == NULL) { 1790 wpa_printf(MSG_ERROR, "Line %d: Invalid mesh_basic_rates '%s'", 1791 line, value); 1792 return -1; 1793 } 1794 if (rates[0] == 0) { 1795 os_free(rates); 1796 rates = NULL; 1797 } 1798 1799 os_free(ssid->mesh_basic_rates); 1800 ssid->mesh_basic_rates = rates; 1801 1802 return 0; 1803} 1804 1805 1806#ifndef NO_CONFIG_WRITE 1807 1808static char * wpa_config_write_mesh_basic_rates(const struct parse_data *data, 1809 struct wpa_ssid *ssid) 1810{ 1811 return wpa_config_write_freqs(data, ssid->mesh_basic_rates); 1812} 1813 1814#endif /* NO_CONFIG_WRITE */ 1815 1816#endif /* CONFIG_MESH */ 1817 1818 1819/* Helper macros for network block parser */ 1820 1821#ifdef OFFSET 1822#undef OFFSET 1823#endif /* OFFSET */ 1824/* OFFSET: Get offset of a variable within the wpa_ssid structure */ 1825#define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v) 1826 1827/* STR: Define a string variable for an ASCII string; f = field name */ 1828#ifdef NO_CONFIG_WRITE 1829#define _STR(f) #f, wpa_config_parse_str, OFFSET(f) 1830#define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f) 1831#else /* NO_CONFIG_WRITE */ 1832#define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f) 1833#define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f) 1834#endif /* NO_CONFIG_WRITE */ 1835#define STR(f) _STR(f), NULL, NULL, NULL, 0 1836#define STRe(f) _STRe(f), NULL, NULL, NULL, 0 1837#define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1 1838#define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1 1839 1840/* STR_LEN: Define a string variable with a separate variable for storing the 1841 * data length. Unlike STR(), this can be used to store arbitrary binary data 1842 * (i.e., even nul termination character). */ 1843#define _STR_LEN(f) _STR(f), OFFSET(f ## _len) 1844#define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len) 1845#define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0 1846#define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0 1847#define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1 1848 1849/* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length 1850 * explicitly specified. */ 1851#define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max) 1852#define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0 1853#define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1 1854 1855#ifdef NO_CONFIG_WRITE 1856#define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0 1857#define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0 1858#else /* NO_CONFIG_WRITE */ 1859#define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \ 1860 OFFSET(f), (void *) 0 1861#define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \ 1862 OFFSET(eap.f), (void *) 0 1863#endif /* NO_CONFIG_WRITE */ 1864 1865/* INT: Define an integer variable */ 1866#define INT(f) _INT(f), NULL, NULL, 0 1867#define INTe(f) _INTe(f), NULL, NULL, 0 1868 1869/* INT_RANGE: Define an integer variable with allowed value range */ 1870#define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0 1871 1872/* FUNC: Define a configuration variable that uses a custom function for 1873 * parsing and writing the value. */ 1874#ifdef NO_CONFIG_WRITE 1875#define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL 1876#else /* NO_CONFIG_WRITE */ 1877#define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \ 1878 NULL, NULL, NULL, NULL 1879#endif /* NO_CONFIG_WRITE */ 1880#define FUNC(f) _FUNC(f), 0 1881#define FUNC_KEY(f) _FUNC(f), 1 1882 1883/* 1884 * Table of network configuration variables. This table is used to parse each 1885 * network configuration variable, e.g., each line in wpa_supplicant.conf file 1886 * that is inside a network block. 1887 * 1888 * This table is generated using the helper macros defined above and with 1889 * generous help from the C pre-processor. The field name is stored as a string 1890 * into .name and for STR and INT types, the offset of the target buffer within 1891 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar 1892 * offset to the field containing the length of the configuration variable. 1893 * .param3 and .param4 can be used to mark the allowed range (length for STR 1894 * and value for INT). 1895 * 1896 * For each configuration line in wpa_supplicant.conf, the parser goes through 1897 * this table and select the entry that matches with the field name. The parser 1898 * function (.parser) is then called to parse the actual value of the field. 1899 * 1900 * This kind of mechanism makes it easy to add new configuration parameters, 1901 * since only one line needs to be added into this table and into the 1902 * struct wpa_ssid definition if the new variable is either a string or 1903 * integer. More complex types will need to use their own parser and writer 1904 * functions. 1905 */ 1906static const struct parse_data ssid_fields[] = { 1907 { STR_RANGE(ssid, 0, SSID_MAX_LEN) }, 1908 { INT_RANGE(scan_ssid, 0, 1) }, 1909 { FUNC(bssid) }, 1910 { FUNC(bssid_blacklist) }, 1911 { FUNC(bssid_whitelist) }, 1912 { FUNC_KEY(psk) }, 1913 { INT(mem_only_psk) }, 1914 { FUNC(proto) }, 1915 { FUNC(key_mgmt) }, 1916 { INT(bg_scan_period) }, 1917 { FUNC(pairwise) }, 1918 { FUNC(group) }, 1919 { FUNC(auth_alg) }, 1920 { FUNC(scan_freq) }, 1921 { FUNC(freq_list) }, 1922 { INT_RANGE(max_oper_chwidth, VHT_CHANWIDTH_USE_HT, 1923 VHT_CHANWIDTH_80P80MHZ) }, 1924#ifdef IEEE8021X_EAPOL 1925 { FUNC(eap) }, 1926 { STR_LENe(identity) }, 1927 { STR_LENe(anonymous_identity) }, 1928 { FUNC_KEY(password) }, 1929 { STRe(ca_cert) }, 1930 { STRe(ca_path) }, 1931 { STRe(client_cert) }, 1932 { STRe(private_key) }, 1933 { STR_KEYe(private_key_passwd) }, 1934 { STRe(dh_file) }, 1935 { STRe(subject_match) }, 1936 { STRe(altsubject_match) }, 1937 { STRe(domain_suffix_match) }, 1938 { STRe(domain_match) }, 1939 { STRe(ca_cert2) }, 1940 { STRe(ca_path2) }, 1941 { STRe(client_cert2) }, 1942 { STRe(private_key2) }, 1943 { STR_KEYe(private_key2_passwd) }, 1944 { STRe(dh_file2) }, 1945 { STRe(subject_match2) }, 1946 { STRe(altsubject_match2) }, 1947 { STRe(domain_suffix_match2) }, 1948 { STRe(domain_match2) }, 1949 { STRe(phase1) }, 1950 { STRe(phase2) }, 1951 { STRe(pcsc) }, 1952 { STR_KEYe(pin) }, 1953 { STRe(engine_id) }, 1954 { STRe(key_id) }, 1955 { STRe(cert_id) }, 1956 { STRe(ca_cert_id) }, 1957 { STR_KEYe(pin2) }, 1958 { STRe(engine2_id) }, 1959 { STRe(key2_id) }, 1960 { STRe(cert2_id) }, 1961 { STRe(ca_cert2_id) }, 1962 { INTe(engine) }, 1963 { INTe(engine2) }, 1964 { INT(eapol_flags) }, 1965 { INTe(sim_num) }, 1966 { STRe(openssl_ciphers) }, 1967 { INTe(erp) }, 1968#endif /* IEEE8021X_EAPOL */ 1969 { FUNC_KEY(wep_key0) }, 1970 { FUNC_KEY(wep_key1) }, 1971 { FUNC_KEY(wep_key2) }, 1972 { FUNC_KEY(wep_key3) }, 1973 { INT(wep_tx_keyidx) }, 1974 { INT(priority) }, 1975#ifdef IEEE8021X_EAPOL 1976 { INT(eap_workaround) }, 1977 { STRe(pac_file) }, 1978 { INTe(fragment_size) }, 1979 { INTe(ocsp) }, 1980#endif /* IEEE8021X_EAPOL */ 1981#ifdef CONFIG_MESH 1982 { INT_RANGE(mode, 0, 5) }, 1983 { INT_RANGE(no_auto_peer, 0, 1) }, 1984#else /* CONFIG_MESH */ 1985 { INT_RANGE(mode, 0, 4) }, 1986#endif /* CONFIG_MESH */ 1987 { INT_RANGE(proactive_key_caching, 0, 1) }, 1988 { INT_RANGE(disabled, 0, 2) }, 1989 { STR(id_str) }, 1990#ifdef CONFIG_IEEE80211W 1991 { INT_RANGE(ieee80211w, 0, 2) }, 1992#endif /* CONFIG_IEEE80211W */ 1993 { INT_RANGE(peerkey, 0, 1) }, 1994 { INT_RANGE(mixed_cell, 0, 1) }, 1995 { INT_RANGE(frequency, 0, 65000) }, 1996 { INT_RANGE(fixed_freq, 0, 1) }, 1997#ifdef CONFIG_ACS 1998 { INT_RANGE(acs, 0, 1) }, 1999#endif /* CONFIG_ACS */ 2000#ifdef CONFIG_MESH 2001 { FUNC(mesh_basic_rates) }, 2002 { INT(dot11MeshMaxRetries) }, 2003 { INT(dot11MeshRetryTimeout) }, 2004 { INT(dot11MeshConfirmTimeout) }, 2005 { INT(dot11MeshHoldingTimeout) }, 2006#endif /* CONFIG_MESH */ 2007 { INT(wpa_ptk_rekey) }, 2008 { STR(bgscan) }, 2009 { INT_RANGE(ignore_broadcast_ssid, 0, 2) }, 2010#ifdef CONFIG_P2P 2011 { FUNC(go_p2p_dev_addr) }, 2012 { FUNC(p2p_client_list) }, 2013 { FUNC(psk_list) }, 2014#endif /* CONFIG_P2P */ 2015#ifdef CONFIG_HT_OVERRIDES 2016 { INT_RANGE(disable_ht, 0, 1) }, 2017 { INT_RANGE(disable_ht40, -1, 1) }, 2018 { INT_RANGE(disable_sgi, 0, 1) }, 2019 { INT_RANGE(disable_ldpc, 0, 1) }, 2020 { INT_RANGE(ht40_intolerant, 0, 1) }, 2021 { INT_RANGE(disable_max_amsdu, -1, 1) }, 2022 { INT_RANGE(ampdu_factor, -1, 3) }, 2023 { INT_RANGE(ampdu_density, -1, 7) }, 2024 { STR(ht_mcs) }, 2025#endif /* CONFIG_HT_OVERRIDES */ 2026#ifdef CONFIG_VHT_OVERRIDES 2027 { INT_RANGE(disable_vht, 0, 1) }, 2028 { INT(vht_capa) }, 2029 { INT(vht_capa_mask) }, 2030 { INT_RANGE(vht_rx_mcs_nss_1, -1, 3) }, 2031 { INT_RANGE(vht_rx_mcs_nss_2, -1, 3) }, 2032 { INT_RANGE(vht_rx_mcs_nss_3, -1, 3) }, 2033 { INT_RANGE(vht_rx_mcs_nss_4, -1, 3) }, 2034 { INT_RANGE(vht_rx_mcs_nss_5, -1, 3) }, 2035 { INT_RANGE(vht_rx_mcs_nss_6, -1, 3) }, 2036 { INT_RANGE(vht_rx_mcs_nss_7, -1, 3) }, 2037 { INT_RANGE(vht_rx_mcs_nss_8, -1, 3) }, 2038 { INT_RANGE(vht_tx_mcs_nss_1, -1, 3) }, 2039 { INT_RANGE(vht_tx_mcs_nss_2, -1, 3) }, 2040 { INT_RANGE(vht_tx_mcs_nss_3, -1, 3) }, 2041 { INT_RANGE(vht_tx_mcs_nss_4, -1, 3) }, 2042 { INT_RANGE(vht_tx_mcs_nss_5, -1, 3) }, 2043 { INT_RANGE(vht_tx_mcs_nss_6, -1, 3) }, 2044 { INT_RANGE(vht_tx_mcs_nss_7, -1, 3) }, 2045 { INT_RANGE(vht_tx_mcs_nss_8, -1, 3) }, 2046#endif /* CONFIG_VHT_OVERRIDES */ 2047 { INT(ap_max_inactivity) }, 2048 { INT(dtim_period) }, 2049 { INT(beacon_int) }, 2050#ifdef CONFIG_MACSEC 2051 { INT_RANGE(macsec_policy, 0, 1) }, 2052#endif /* CONFIG_MACSEC */ 2053#ifdef CONFIG_HS20 2054 { INT(update_identifier) }, 2055#endif /* CONFIG_HS20 */ 2056 { INT_RANGE(mac_addr, 0, 2) }, 2057 { INT_RANGE(pbss, 0, 2) }, 2058 { INT_RANGE(wps_disabled, 0, 1) }, 2059}; 2060 2061#undef OFFSET 2062#undef _STR 2063#undef STR 2064#undef STR_KEY 2065#undef _STR_LEN 2066#undef STR_LEN 2067#undef STR_LEN_KEY 2068#undef _STR_RANGE 2069#undef STR_RANGE 2070#undef STR_RANGE_KEY 2071#undef _INT 2072#undef INT 2073#undef INT_RANGE 2074#undef _FUNC 2075#undef FUNC 2076#undef FUNC_KEY 2077#define NUM_SSID_FIELDS ARRAY_SIZE(ssid_fields) 2078 2079 2080/** 2081 * wpa_config_add_prio_network - Add a network to priority lists 2082 * @config: Configuration data from wpa_config_read() 2083 * @ssid: Pointer to the network configuration to be added to the list 2084 * Returns: 0 on success, -1 on failure 2085 * 2086 * This function is used to add a network block to the priority list of 2087 * networks. This must be called for each network when reading in the full 2088 * configuration. In addition, this can be used indirectly when updating 2089 * priorities by calling wpa_config_update_prio_list(). 2090 */ 2091int wpa_config_add_prio_network(struct wpa_config *config, 2092 struct wpa_ssid *ssid) 2093{ 2094 int prio; 2095 struct wpa_ssid *prev, **nlist; 2096 2097 /* 2098 * Add to an existing priority list if one is available for the 2099 * configured priority level for this network. 2100 */ 2101 for (prio = 0; prio < config->num_prio; prio++) { 2102 prev = config->pssid[prio]; 2103 if (prev->priority == ssid->priority) { 2104 while (prev->pnext) 2105 prev = prev->pnext; 2106 prev->pnext = ssid; 2107 return 0; 2108 } 2109 } 2110 2111 /* First network for this priority - add a new priority list */ 2112 nlist = os_realloc_array(config->pssid, config->num_prio + 1, 2113 sizeof(struct wpa_ssid *)); 2114 if (nlist == NULL) 2115 return -1; 2116 2117 for (prio = 0; prio < config->num_prio; prio++) { 2118 if (nlist[prio]->priority < ssid->priority) { 2119 os_memmove(&nlist[prio + 1], &nlist[prio], 2120 (config->num_prio - prio) * 2121 sizeof(struct wpa_ssid *)); 2122 break; 2123 } 2124 } 2125 2126 nlist[prio] = ssid; 2127 config->num_prio++; 2128 config->pssid = nlist; 2129 2130 return 0; 2131} 2132 2133 2134/** 2135 * wpa_config_update_prio_list - Update network priority list 2136 * @config: Configuration data from wpa_config_read() 2137 * Returns: 0 on success, -1 on failure 2138 * 2139 * This function is called to update the priority list of networks in the 2140 * configuration when a network is being added or removed. This is also called 2141 * if a priority for a network is changed. 2142 */ 2143int wpa_config_update_prio_list(struct wpa_config *config) 2144{ 2145 struct wpa_ssid *ssid; 2146 int ret = 0; 2147 2148 os_free(config->pssid); 2149 config->pssid = NULL; 2150 config->num_prio = 0; 2151 2152 ssid = config->ssid; 2153 while (ssid) { 2154 ssid->pnext = NULL; 2155 if (wpa_config_add_prio_network(config, ssid) < 0) 2156 ret = -1; 2157 ssid = ssid->next; 2158 } 2159 2160 return ret; 2161} 2162 2163 2164#ifdef IEEE8021X_EAPOL 2165static void eap_peer_config_free(struct eap_peer_config *eap) 2166{ 2167 os_free(eap->eap_methods); 2168 bin_clear_free(eap->identity, eap->identity_len); 2169 os_free(eap->anonymous_identity); 2170 bin_clear_free(eap->password, eap->password_len); 2171 os_free(eap->ca_cert); 2172 os_free(eap->ca_path); 2173 os_free(eap->client_cert); 2174 os_free(eap->private_key); 2175 str_clear_free(eap->private_key_passwd); 2176 os_free(eap->dh_file); 2177 os_free(eap->subject_match); 2178 os_free(eap->altsubject_match); 2179 os_free(eap->domain_suffix_match); 2180 os_free(eap->domain_match); 2181 os_free(eap->ca_cert2); 2182 os_free(eap->ca_path2); 2183 os_free(eap->client_cert2); 2184 os_free(eap->private_key2); 2185 str_clear_free(eap->private_key2_passwd); 2186 os_free(eap->dh_file2); 2187 os_free(eap->subject_match2); 2188 os_free(eap->altsubject_match2); 2189 os_free(eap->domain_suffix_match2); 2190 os_free(eap->domain_match2); 2191 os_free(eap->phase1); 2192 os_free(eap->phase2); 2193 os_free(eap->pcsc); 2194 str_clear_free(eap->pin); 2195 os_free(eap->engine_id); 2196 os_free(eap->key_id); 2197 os_free(eap->cert_id); 2198 os_free(eap->ca_cert_id); 2199 os_free(eap->key2_id); 2200 os_free(eap->cert2_id); 2201 os_free(eap->ca_cert2_id); 2202 str_clear_free(eap->pin2); 2203 os_free(eap->engine2_id); 2204 os_free(eap->otp); 2205 os_free(eap->pending_req_otp); 2206 os_free(eap->pac_file); 2207 bin_clear_free(eap->new_password, eap->new_password_len); 2208 str_clear_free(eap->external_sim_resp); 2209 os_free(eap->openssl_ciphers); 2210} 2211#endif /* IEEE8021X_EAPOL */ 2212 2213 2214/** 2215 * wpa_config_free_ssid - Free network/ssid configuration data 2216 * @ssid: Configuration data for the network 2217 * 2218 * This function frees all resources allocated for the network configuration 2219 * data. 2220 */ 2221void wpa_config_free_ssid(struct wpa_ssid *ssid) 2222{ 2223 struct psk_list_entry *psk; 2224 2225 os_free(ssid->ssid); 2226 str_clear_free(ssid->passphrase); 2227 os_free(ssid->ext_psk); 2228#ifdef IEEE8021X_EAPOL 2229 eap_peer_config_free(&ssid->eap); 2230#endif /* IEEE8021X_EAPOL */ 2231 os_free(ssid->id_str); 2232 os_free(ssid->scan_freq); 2233 os_free(ssid->freq_list); 2234 os_free(ssid->bgscan); 2235 os_free(ssid->p2p_client_list); 2236 os_free(ssid->bssid_blacklist); 2237 os_free(ssid->bssid_whitelist); 2238#ifdef CONFIG_HT_OVERRIDES 2239 os_free(ssid->ht_mcs); 2240#endif /* CONFIG_HT_OVERRIDES */ 2241#ifdef CONFIG_MESH 2242 os_free(ssid->mesh_basic_rates); 2243#endif /* CONFIG_MESH */ 2244 while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry, 2245 list))) { 2246 dl_list_del(&psk->list); 2247 bin_clear_free(psk, sizeof(*psk)); 2248 } 2249 bin_clear_free(ssid, sizeof(*ssid)); 2250} 2251 2252 2253void wpa_config_free_cred(struct wpa_cred *cred) 2254{ 2255 size_t i; 2256 2257 os_free(cred->realm); 2258 str_clear_free(cred->username); 2259 str_clear_free(cred->password); 2260 os_free(cred->ca_cert); 2261 os_free(cred->client_cert); 2262 os_free(cred->private_key); 2263 str_clear_free(cred->private_key_passwd); 2264 os_free(cred->imsi); 2265 str_clear_free(cred->milenage); 2266 for (i = 0; i < cred->num_domain; i++) 2267 os_free(cred->domain[i]); 2268 os_free(cred->domain); 2269 os_free(cred->domain_suffix_match); 2270 os_free(cred->eap_method); 2271 os_free(cred->phase1); 2272 os_free(cred->phase2); 2273 os_free(cred->excluded_ssid); 2274 os_free(cred->roaming_partner); 2275 os_free(cred->provisioning_sp); 2276 for (i = 0; i < cred->num_req_conn_capab; i++) 2277 os_free(cred->req_conn_capab_port[i]); 2278 os_free(cred->req_conn_capab_port); 2279 os_free(cred->req_conn_capab_proto); 2280 os_free(cred); 2281} 2282 2283 2284void wpa_config_flush_blobs(struct wpa_config *config) 2285{ 2286#ifndef CONFIG_NO_CONFIG_BLOBS 2287 struct wpa_config_blob *blob, *prev; 2288 2289 blob = config->blobs; 2290 config->blobs = NULL; 2291 while (blob) { 2292 prev = blob; 2293 blob = blob->next; 2294 wpa_config_free_blob(prev); 2295 } 2296#endif /* CONFIG_NO_CONFIG_BLOBS */ 2297} 2298 2299 2300/** 2301 * wpa_config_free - Free configuration data 2302 * @config: Configuration data from wpa_config_read() 2303 * 2304 * This function frees all resources allocated for the configuration data by 2305 * wpa_config_read(). 2306 */ 2307void wpa_config_free(struct wpa_config *config) 2308{ 2309 struct wpa_ssid *ssid, *prev = NULL; 2310 struct wpa_cred *cred, *cprev; 2311 int i; 2312 2313 ssid = config->ssid; 2314 while (ssid) { 2315 prev = ssid; 2316 ssid = ssid->next; 2317 wpa_config_free_ssid(prev); 2318 } 2319 2320 cred = config->cred; 2321 while (cred) { 2322 cprev = cred; 2323 cred = cred->next; 2324 wpa_config_free_cred(cprev); 2325 } 2326 2327 wpa_config_flush_blobs(config); 2328 2329 wpabuf_free(config->wps_vendor_ext_m1); 2330 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++) 2331 wpabuf_free(config->wps_vendor_ext[i]); 2332 os_free(config->ctrl_interface); 2333 os_free(config->ctrl_interface_group); 2334 os_free(config->opensc_engine_path); 2335 os_free(config->pkcs11_engine_path); 2336 os_free(config->pkcs11_module_path); 2337 os_free(config->openssl_ciphers); 2338 os_free(config->pcsc_reader); 2339 str_clear_free(config->pcsc_pin); 2340 os_free(config->driver_param); 2341 os_free(config->device_name); 2342 os_free(config->manufacturer); 2343 os_free(config->model_name); 2344 os_free(config->model_number); 2345 os_free(config->serial_number); 2346 os_free(config->config_methods); 2347 os_free(config->p2p_ssid_postfix); 2348 os_free(config->pssid); 2349 os_free(config->p2p_pref_chan); 2350 os_free(config->p2p_no_go_freq.range); 2351 os_free(config->autoscan); 2352 os_free(config->freq_list); 2353 wpabuf_free(config->wps_nfc_dh_pubkey); 2354 wpabuf_free(config->wps_nfc_dh_privkey); 2355 wpabuf_free(config->wps_nfc_dev_pw); 2356 os_free(config->ext_password_backend); 2357 os_free(config->sae_groups); 2358 wpabuf_free(config->ap_vendor_elements); 2359 os_free(config->osu_dir); 2360 os_free(config->bgscan); 2361 os_free(config->wowlan_triggers); 2362 os_free(config->fst_group_id); 2363 os_free(config->sched_scan_plans); 2364#ifdef CONFIG_MBO 2365 os_free(config->non_pref_chan); 2366#endif /* CONFIG_MBO */ 2367 2368 os_free(config); 2369} 2370 2371 2372/** 2373 * wpa_config_foreach_network - Iterate over each configured network 2374 * @config: Configuration data from wpa_config_read() 2375 * @func: Callback function to process each network 2376 * @arg: Opaque argument to pass to callback function 2377 * 2378 * Iterate over the set of configured networks calling the specified 2379 * function for each item. We guard against callbacks removing the 2380 * supplied network. 2381 */ 2382void wpa_config_foreach_network(struct wpa_config *config, 2383 void (*func)(void *, struct wpa_ssid *), 2384 void *arg) 2385{ 2386 struct wpa_ssid *ssid, *next; 2387 2388 ssid = config->ssid; 2389 while (ssid) { 2390 next = ssid->next; 2391 func(arg, ssid); 2392 ssid = next; 2393 } 2394} 2395 2396 2397/** 2398 * wpa_config_get_network - Get configured network based on id 2399 * @config: Configuration data from wpa_config_read() 2400 * @id: Unique network id to search for 2401 * Returns: Network configuration or %NULL if not found 2402 */ 2403struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id) 2404{ 2405 struct wpa_ssid *ssid; 2406 2407 ssid = config->ssid; 2408 while (ssid) { 2409 if (id == ssid->id) 2410 break; 2411 ssid = ssid->next; 2412 } 2413 2414 return ssid; 2415} 2416 2417 2418/** 2419 * wpa_config_add_network - Add a new network with empty configuration 2420 * @config: Configuration data from wpa_config_read() 2421 * Returns: The new network configuration or %NULL if operation failed 2422 */ 2423struct wpa_ssid * wpa_config_add_network(struct wpa_config *config) 2424{ 2425 int id; 2426 struct wpa_ssid *ssid, *last = NULL; 2427 2428 id = -1; 2429 ssid = config->ssid; 2430 while (ssid) { 2431 if (ssid->id > id) 2432 id = ssid->id; 2433 last = ssid; 2434 ssid = ssid->next; 2435 } 2436 id++; 2437 2438 ssid = os_zalloc(sizeof(*ssid)); 2439 if (ssid == NULL) 2440 return NULL; 2441 ssid->id = id; 2442 dl_list_init(&ssid->psk_list); 2443 if (last) 2444 last->next = ssid; 2445 else 2446 config->ssid = ssid; 2447 2448 wpa_config_update_prio_list(config); 2449 2450 return ssid; 2451} 2452 2453 2454/** 2455 * wpa_config_remove_network - Remove a configured network based on id 2456 * @config: Configuration data from wpa_config_read() 2457 * @id: Unique network id to search for 2458 * Returns: 0 on success, or -1 if the network was not found 2459 */ 2460int wpa_config_remove_network(struct wpa_config *config, int id) 2461{ 2462 struct wpa_ssid *ssid, *prev = NULL; 2463 2464 ssid = config->ssid; 2465 while (ssid) { 2466 if (id == ssid->id) 2467 break; 2468 prev = ssid; 2469 ssid = ssid->next; 2470 } 2471 2472 if (ssid == NULL) 2473 return -1; 2474 2475 if (prev) 2476 prev->next = ssid->next; 2477 else 2478 config->ssid = ssid->next; 2479 2480 wpa_config_update_prio_list(config); 2481 wpa_config_free_ssid(ssid); 2482 return 0; 2483} 2484 2485 2486/** 2487 * wpa_config_set_network_defaults - Set network default values 2488 * @ssid: Pointer to network configuration data 2489 */ 2490void wpa_config_set_network_defaults(struct wpa_ssid *ssid) 2491{ 2492 ssid->proto = DEFAULT_PROTO; 2493 ssid->pairwise_cipher = DEFAULT_PAIRWISE; 2494 ssid->group_cipher = DEFAULT_GROUP; 2495 ssid->key_mgmt = DEFAULT_KEY_MGMT; 2496 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 2497#ifdef IEEE8021X_EAPOL 2498 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS; 2499 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND; 2500 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE; 2501 ssid->eap.sim_num = DEFAULT_USER_SELECTED_SIM; 2502#endif /* IEEE8021X_EAPOL */ 2503#ifdef CONFIG_MESH 2504 ssid->dot11MeshMaxRetries = DEFAULT_MESH_MAX_RETRIES; 2505 ssid->dot11MeshRetryTimeout = DEFAULT_MESH_RETRY_TIMEOUT; 2506 ssid->dot11MeshConfirmTimeout = DEFAULT_MESH_CONFIRM_TIMEOUT; 2507 ssid->dot11MeshHoldingTimeout = DEFAULT_MESH_HOLDING_TIMEOUT; 2508#endif /* CONFIG_MESH */ 2509#ifdef CONFIG_HT_OVERRIDES 2510 ssid->disable_ht = DEFAULT_DISABLE_HT; 2511 ssid->disable_ht40 = DEFAULT_DISABLE_HT40; 2512 ssid->disable_sgi = DEFAULT_DISABLE_SGI; 2513 ssid->disable_ldpc = DEFAULT_DISABLE_LDPC; 2514 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU; 2515 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR; 2516 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY; 2517#endif /* CONFIG_HT_OVERRIDES */ 2518#ifdef CONFIG_VHT_OVERRIDES 2519 ssid->vht_rx_mcs_nss_1 = -1; 2520 ssid->vht_rx_mcs_nss_2 = -1; 2521 ssid->vht_rx_mcs_nss_3 = -1; 2522 ssid->vht_rx_mcs_nss_4 = -1; 2523 ssid->vht_rx_mcs_nss_5 = -1; 2524 ssid->vht_rx_mcs_nss_6 = -1; 2525 ssid->vht_rx_mcs_nss_7 = -1; 2526 ssid->vht_rx_mcs_nss_8 = -1; 2527 ssid->vht_tx_mcs_nss_1 = -1; 2528 ssid->vht_tx_mcs_nss_2 = -1; 2529 ssid->vht_tx_mcs_nss_3 = -1; 2530 ssid->vht_tx_mcs_nss_4 = -1; 2531 ssid->vht_tx_mcs_nss_5 = -1; 2532 ssid->vht_tx_mcs_nss_6 = -1; 2533 ssid->vht_tx_mcs_nss_7 = -1; 2534 ssid->vht_tx_mcs_nss_8 = -1; 2535#endif /* CONFIG_VHT_OVERRIDES */ 2536 ssid->proactive_key_caching = -1; 2537#ifdef CONFIG_IEEE80211W 2538 ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT; 2539#endif /* CONFIG_IEEE80211W */ 2540 ssid->mac_addr = -1; 2541} 2542 2543 2544/** 2545 * wpa_config_set - Set a variable in network configuration 2546 * @ssid: Pointer to network configuration data 2547 * @var: Variable name, e.g., "ssid" 2548 * @value: Variable value 2549 * @line: Line number in configuration file or 0 if not used 2550 * Returns: 0 on success with possible change in the value, 1 on success with 2551 * no change to previously configured value, or -1 on failure 2552 * 2553 * This function can be used to set network configuration variables based on 2554 * both the configuration file and management interface input. The value 2555 * parameter must be in the same format as the text-based configuration file is 2556 * using. For example, strings are using double quotation marks. 2557 */ 2558int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value, 2559 int line) 2560{ 2561 size_t i; 2562 int ret = 0; 2563 2564 if (ssid == NULL || var == NULL || value == NULL) 2565 return -1; 2566 2567 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2568 const struct parse_data *field = &ssid_fields[i]; 2569 if (os_strcmp(var, field->name) != 0) 2570 continue; 2571 2572 ret = field->parser(field, ssid, line, value); 2573 if (ret < 0) { 2574 if (line) { 2575 wpa_printf(MSG_ERROR, "Line %d: failed to " 2576 "parse %s '%s'.", line, var, value); 2577 } 2578 ret = -1; 2579 } 2580 break; 2581 } 2582 if (i == NUM_SSID_FIELDS) { 2583 if (line) { 2584 wpa_printf(MSG_ERROR, "Line %d: unknown network field " 2585 "'%s'.", line, var); 2586 } 2587 ret = -1; 2588 } 2589 2590 return ret; 2591} 2592 2593 2594int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var, 2595 const char *value) 2596{ 2597 size_t len; 2598 char *buf; 2599 int ret; 2600 2601 len = os_strlen(value); 2602 buf = os_malloc(len + 3); 2603 if (buf == NULL) 2604 return -1; 2605 buf[0] = '"'; 2606 os_memcpy(buf + 1, value, len); 2607 buf[len + 1] = '"'; 2608 buf[len + 2] = '\0'; 2609 ret = wpa_config_set(ssid, var, buf, 0); 2610 os_free(buf); 2611 return ret; 2612} 2613 2614 2615/** 2616 * wpa_config_get_all - Get all options from network configuration 2617 * @ssid: Pointer to network configuration data 2618 * @get_keys: Determines if keys/passwords will be included in returned list 2619 * (if they may be exported) 2620 * Returns: %NULL terminated list of all set keys and their values in the form 2621 * of [key1, val1, key2, val2, ... , NULL] 2622 * 2623 * This function can be used to get list of all configured network properties. 2624 * The caller is responsible for freeing the returned list and all its 2625 * elements. 2626 */ 2627char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys) 2628{ 2629#ifdef NO_CONFIG_WRITE 2630 return NULL; 2631#else /* NO_CONFIG_WRITE */ 2632 const struct parse_data *field; 2633 char *key, *value; 2634 size_t i; 2635 char **props; 2636 int fields_num; 2637 2638 get_keys = get_keys && ssid->export_keys; 2639 2640 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *)); 2641 if (!props) 2642 return NULL; 2643 2644 fields_num = 0; 2645 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2646 field = &ssid_fields[i]; 2647 if (field->key_data && !get_keys) 2648 continue; 2649 value = field->writer(field, ssid); 2650 if (value == NULL) 2651 continue; 2652 if (os_strlen(value) == 0) { 2653 os_free(value); 2654 continue; 2655 } 2656 2657 key = os_strdup(field->name); 2658 if (key == NULL) { 2659 os_free(value); 2660 goto err; 2661 } 2662 2663 props[fields_num * 2] = key; 2664 props[fields_num * 2 + 1] = value; 2665 2666 fields_num++; 2667 } 2668 2669 return props; 2670 2671err: 2672 value = *props; 2673 while (value) 2674 os_free(value++); 2675 os_free(props); 2676 return NULL; 2677#endif /* NO_CONFIG_WRITE */ 2678} 2679 2680 2681#ifndef NO_CONFIG_WRITE 2682/** 2683 * wpa_config_get - Get a variable in network configuration 2684 * @ssid: Pointer to network configuration data 2685 * @var: Variable name, e.g., "ssid" 2686 * Returns: Value of the variable or %NULL on failure 2687 * 2688 * This function can be used to get network configuration variables. The 2689 * returned value is a copy of the configuration variable in text format, i.e,. 2690 * the same format that the text-based configuration file and wpa_config_set() 2691 * are using for the value. The caller is responsible for freeing the returned 2692 * value. 2693 */ 2694char * wpa_config_get(struct wpa_ssid *ssid, const char *var) 2695{ 2696 size_t i; 2697 2698 if (ssid == NULL || var == NULL) 2699 return NULL; 2700 2701 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2702 const struct parse_data *field = &ssid_fields[i]; 2703 if (os_strcmp(var, field->name) == 0) { 2704 char *ret = field->writer(field, ssid); 2705 2706 if (ret && has_newline(ret)) { 2707 wpa_printf(MSG_ERROR, 2708 "Found newline in value for %s; not returning it", 2709 var); 2710 os_free(ret); 2711 ret = NULL; 2712 } 2713 2714 return ret; 2715 } 2716 } 2717 2718 return NULL; 2719} 2720 2721 2722/** 2723 * wpa_config_get_no_key - Get a variable in network configuration (no keys) 2724 * @ssid: Pointer to network configuration data 2725 * @var: Variable name, e.g., "ssid" 2726 * Returns: Value of the variable or %NULL on failure 2727 * 2728 * This function can be used to get network configuration variable like 2729 * wpa_config_get(). The only difference is that this functions does not expose 2730 * key/password material from the configuration. In case a key/password field 2731 * is requested, the returned value is an empty string or %NULL if the variable 2732 * is not set or "*" if the variable is set (regardless of its value). The 2733 * returned value is a copy of the configuration variable in text format, i.e,. 2734 * the same format that the text-based configuration file and wpa_config_set() 2735 * are using for the value. The caller is responsible for freeing the returned 2736 * value. 2737 */ 2738char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var) 2739{ 2740 size_t i; 2741 2742 if (ssid == NULL || var == NULL) 2743 return NULL; 2744 2745 for (i = 0; i < NUM_SSID_FIELDS; i++) { 2746 const struct parse_data *field = &ssid_fields[i]; 2747 if (os_strcmp(var, field->name) == 0) { 2748 char *res = field->writer(field, ssid); 2749 if (field->key_data) { 2750 if (res && res[0]) { 2751 wpa_printf(MSG_DEBUG, "Do not allow " 2752 "key_data field to be " 2753 "exposed"); 2754 str_clear_free(res); 2755 return os_strdup("*"); 2756 } 2757 2758 os_free(res); 2759 return NULL; 2760 } 2761 return res; 2762 } 2763 } 2764 2765 return NULL; 2766} 2767#endif /* NO_CONFIG_WRITE */ 2768 2769 2770/** 2771 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID 2772 * @ssid: Pointer to network configuration data 2773 * 2774 * This function must be called to update WPA PSK when either SSID or the 2775 * passphrase has changed for the network configuration. 2776 */ 2777void wpa_config_update_psk(struct wpa_ssid *ssid) 2778{ 2779#ifndef CONFIG_NO_PBKDF2 2780 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096, 2781 ssid->psk, PMK_LEN); 2782 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)", 2783 ssid->psk, PMK_LEN); 2784 ssid->psk_set = 1; 2785#endif /* CONFIG_NO_PBKDF2 */ 2786} 2787 2788 2789static int wpa_config_set_cred_req_conn_capab(struct wpa_cred *cred, 2790 const char *value) 2791{ 2792 u8 *proto; 2793 int **port; 2794 int *ports, *nports; 2795 const char *pos; 2796 unsigned int num_ports; 2797 2798 proto = os_realloc_array(cred->req_conn_capab_proto, 2799 cred->num_req_conn_capab + 1, sizeof(u8)); 2800 if (proto == NULL) 2801 return -1; 2802 cred->req_conn_capab_proto = proto; 2803 2804 port = os_realloc_array(cred->req_conn_capab_port, 2805 cred->num_req_conn_capab + 1, sizeof(int *)); 2806 if (port == NULL) 2807 return -1; 2808 cred->req_conn_capab_port = port; 2809 2810 proto[cred->num_req_conn_capab] = atoi(value); 2811 2812 pos = os_strchr(value, ':'); 2813 if (pos == NULL) { 2814 port[cred->num_req_conn_capab] = NULL; 2815 cred->num_req_conn_capab++; 2816 return 0; 2817 } 2818 pos++; 2819 2820 ports = NULL; 2821 num_ports = 0; 2822 2823 while (*pos) { 2824 nports = os_realloc_array(ports, num_ports + 1, sizeof(int)); 2825 if (nports == NULL) { 2826 os_free(ports); 2827 return -1; 2828 } 2829 ports = nports; 2830 ports[num_ports++] = atoi(pos); 2831 2832 pos = os_strchr(pos, ','); 2833 if (pos == NULL) 2834 break; 2835 pos++; 2836 } 2837 2838 nports = os_realloc_array(ports, num_ports + 1, sizeof(int)); 2839 if (nports == NULL) { 2840 os_free(ports); 2841 return -1; 2842 } 2843 ports = nports; 2844 ports[num_ports] = -1; 2845 2846 port[cred->num_req_conn_capab] = ports; 2847 cred->num_req_conn_capab++; 2848 return 0; 2849} 2850 2851 2852int wpa_config_set_cred(struct wpa_cred *cred, const char *var, 2853 const char *value, int line) 2854{ 2855 char *val; 2856 size_t len; 2857 2858 if (os_strcmp(var, "temporary") == 0) { 2859 cred->temporary = atoi(value); 2860 return 0; 2861 } 2862 2863 if (os_strcmp(var, "priority") == 0) { 2864 cred->priority = atoi(value); 2865 return 0; 2866 } 2867 2868 if (os_strcmp(var, "sp_priority") == 0) { 2869 int prio = atoi(value); 2870 if (prio < 0 || prio > 255) 2871 return -1; 2872 cred->sp_priority = prio; 2873 return 0; 2874 } 2875 2876 if (os_strcmp(var, "pcsc") == 0) { 2877 cred->pcsc = atoi(value); 2878 return 0; 2879 } 2880 2881 if (os_strcmp(var, "eap") == 0) { 2882 struct eap_method_type method; 2883 method.method = eap_peer_get_type(value, &method.vendor); 2884 if (method.vendor == EAP_VENDOR_IETF && 2885 method.method == EAP_TYPE_NONE) { 2886 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' " 2887 "for a credential", line, value); 2888 return -1; 2889 } 2890 os_free(cred->eap_method); 2891 cred->eap_method = os_malloc(sizeof(*cred->eap_method)); 2892 if (cred->eap_method == NULL) 2893 return -1; 2894 os_memcpy(cred->eap_method, &method, sizeof(method)); 2895 return 0; 2896 } 2897 2898 if (os_strcmp(var, "password") == 0 && 2899 os_strncmp(value, "ext:", 4) == 0) { 2900 if (has_newline(value)) 2901 return -1; 2902 str_clear_free(cred->password); 2903 cred->password = os_strdup(value); 2904 cred->ext_password = 1; 2905 return 0; 2906 } 2907 2908 if (os_strcmp(var, "update_identifier") == 0) { 2909 cred->update_identifier = atoi(value); 2910 return 0; 2911 } 2912 2913 if (os_strcmp(var, "min_dl_bandwidth_home") == 0) { 2914 cred->min_dl_bandwidth_home = atoi(value); 2915 return 0; 2916 } 2917 2918 if (os_strcmp(var, "min_ul_bandwidth_home") == 0) { 2919 cred->min_ul_bandwidth_home = atoi(value); 2920 return 0; 2921 } 2922 2923 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) { 2924 cred->min_dl_bandwidth_roaming = atoi(value); 2925 return 0; 2926 } 2927 2928 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) { 2929 cred->min_ul_bandwidth_roaming = atoi(value); 2930 return 0; 2931 } 2932 2933 if (os_strcmp(var, "max_bss_load") == 0) { 2934 cred->max_bss_load = atoi(value); 2935 return 0; 2936 } 2937 2938 if (os_strcmp(var, "req_conn_capab") == 0) 2939 return wpa_config_set_cred_req_conn_capab(cred, value); 2940 2941 if (os_strcmp(var, "ocsp") == 0) { 2942 cred->ocsp = atoi(value); 2943 return 0; 2944 } 2945 2946 if (os_strcmp(var, "sim_num") == 0) { 2947 cred->sim_num = atoi(value); 2948 return 0; 2949 } 2950 2951 val = wpa_config_parse_string(value, &len); 2952 if (val == NULL || 2953 (os_strcmp(var, "excluded_ssid") != 0 && 2954 os_strcmp(var, "roaming_consortium") != 0 && 2955 os_strcmp(var, "required_roaming_consortium") != 0 && 2956 has_newline(val))) { 2957 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string " 2958 "value '%s'.", line, var, value); 2959 os_free(val); 2960 return -1; 2961 } 2962 2963 if (os_strcmp(var, "realm") == 0) { 2964 os_free(cred->realm); 2965 cred->realm = val; 2966 return 0; 2967 } 2968 2969 if (os_strcmp(var, "username") == 0) { 2970 str_clear_free(cred->username); 2971 cred->username = val; 2972 return 0; 2973 } 2974 2975 if (os_strcmp(var, "password") == 0) { 2976 str_clear_free(cred->password); 2977 cred->password = val; 2978 cred->ext_password = 0; 2979 return 0; 2980 } 2981 2982 if (os_strcmp(var, "ca_cert") == 0) { 2983 os_free(cred->ca_cert); 2984 cred->ca_cert = val; 2985 return 0; 2986 } 2987 2988 if (os_strcmp(var, "client_cert") == 0) { 2989 os_free(cred->client_cert); 2990 cred->client_cert = val; 2991 return 0; 2992 } 2993 2994 if (os_strcmp(var, "private_key") == 0) { 2995 os_free(cred->private_key); 2996 cred->private_key = val; 2997 return 0; 2998 } 2999 3000 if (os_strcmp(var, "private_key_passwd") == 0) { 3001 str_clear_free(cred->private_key_passwd); 3002 cred->private_key_passwd = val; 3003 return 0; 3004 } 3005 3006 if (os_strcmp(var, "imsi") == 0) { 3007 os_free(cred->imsi); 3008 cred->imsi = val; 3009 return 0; 3010 } 3011 3012 if (os_strcmp(var, "milenage") == 0) { 3013 str_clear_free(cred->milenage); 3014 cred->milenage = val; 3015 return 0; 3016 } 3017 3018 if (os_strcmp(var, "domain_suffix_match") == 0) { 3019 os_free(cred->domain_suffix_match); 3020 cred->domain_suffix_match = val; 3021 return 0; 3022 } 3023 3024 if (os_strcmp(var, "domain") == 0) { 3025 char **new_domain; 3026 new_domain = os_realloc_array(cred->domain, 3027 cred->num_domain + 1, 3028 sizeof(char *)); 3029 if (new_domain == NULL) { 3030 os_free(val); 3031 return -1; 3032 } 3033 new_domain[cred->num_domain++] = val; 3034 cred->domain = new_domain; 3035 return 0; 3036 } 3037 3038 if (os_strcmp(var, "phase1") == 0) { 3039 os_free(cred->phase1); 3040 cred->phase1 = val; 3041 return 0; 3042 } 3043 3044 if (os_strcmp(var, "phase2") == 0) { 3045 os_free(cred->phase2); 3046 cred->phase2 = val; 3047 return 0; 3048 } 3049 3050 if (os_strcmp(var, "roaming_consortium") == 0) { 3051 if (len < 3 || len > sizeof(cred->roaming_consortium)) { 3052 wpa_printf(MSG_ERROR, "Line %d: invalid " 3053 "roaming_consortium length %d (3..15 " 3054 "expected)", line, (int) len); 3055 os_free(val); 3056 return -1; 3057 } 3058 os_memcpy(cred->roaming_consortium, val, len); 3059 cred->roaming_consortium_len = len; 3060 os_free(val); 3061 return 0; 3062 } 3063 3064 if (os_strcmp(var, "required_roaming_consortium") == 0) { 3065 if (len < 3 || len > sizeof(cred->required_roaming_consortium)) 3066 { 3067 wpa_printf(MSG_ERROR, "Line %d: invalid " 3068 "required_roaming_consortium length %d " 3069 "(3..15 expected)", line, (int) len); 3070 os_free(val); 3071 return -1; 3072 } 3073 os_memcpy(cred->required_roaming_consortium, val, len); 3074 cred->required_roaming_consortium_len = len; 3075 os_free(val); 3076 return 0; 3077 } 3078 3079 if (os_strcmp(var, "excluded_ssid") == 0) { 3080 struct excluded_ssid *e; 3081 3082 if (len > SSID_MAX_LEN) { 3083 wpa_printf(MSG_ERROR, "Line %d: invalid " 3084 "excluded_ssid length %d", line, (int) len); 3085 os_free(val); 3086 return -1; 3087 } 3088 3089 e = os_realloc_array(cred->excluded_ssid, 3090 cred->num_excluded_ssid + 1, 3091 sizeof(struct excluded_ssid)); 3092 if (e == NULL) { 3093 os_free(val); 3094 return -1; 3095 } 3096 cred->excluded_ssid = e; 3097 3098 e = &cred->excluded_ssid[cred->num_excluded_ssid++]; 3099 os_memcpy(e->ssid, val, len); 3100 e->ssid_len = len; 3101 3102 os_free(val); 3103 3104 return 0; 3105 } 3106 3107 if (os_strcmp(var, "roaming_partner") == 0) { 3108 struct roaming_partner *p; 3109 char *pos; 3110 3111 p = os_realloc_array(cred->roaming_partner, 3112 cred->num_roaming_partner + 1, 3113 sizeof(struct roaming_partner)); 3114 if (p == NULL) { 3115 os_free(val); 3116 return -1; 3117 } 3118 cred->roaming_partner = p; 3119 3120 p = &cred->roaming_partner[cred->num_roaming_partner]; 3121 3122 pos = os_strchr(val, ','); 3123 if (pos == NULL) { 3124 os_free(val); 3125 return -1; 3126 } 3127 *pos++ = '\0'; 3128 if (pos - val - 1 >= (int) sizeof(p->fqdn)) { 3129 os_free(val); 3130 return -1; 3131 } 3132 os_memcpy(p->fqdn, val, pos - val); 3133 3134 p->exact_match = atoi(pos); 3135 3136 pos = os_strchr(pos, ','); 3137 if (pos == NULL) { 3138 os_free(val); 3139 return -1; 3140 } 3141 *pos++ = '\0'; 3142 3143 p->priority = atoi(pos); 3144 3145 pos = os_strchr(pos, ','); 3146 if (pos == NULL) { 3147 os_free(val); 3148 return -1; 3149 } 3150 *pos++ = '\0'; 3151 3152 if (os_strlen(pos) >= sizeof(p->country)) { 3153 os_free(val); 3154 return -1; 3155 } 3156 os_memcpy(p->country, pos, os_strlen(pos) + 1); 3157 3158 cred->num_roaming_partner++; 3159 os_free(val); 3160 3161 return 0; 3162 } 3163 3164 if (os_strcmp(var, "provisioning_sp") == 0) { 3165 os_free(cred->provisioning_sp); 3166 cred->provisioning_sp = val; 3167 return 0; 3168 } 3169 3170 if (line) { 3171 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.", 3172 line, var); 3173 } 3174 3175 os_free(val); 3176 3177 return -1; 3178} 3179 3180 3181static char * alloc_int_str(int val) 3182{ 3183 const unsigned int bufsize = 20; 3184 char *buf; 3185 int res; 3186 3187 buf = os_malloc(bufsize); 3188 if (buf == NULL) 3189 return NULL; 3190 res = os_snprintf(buf, bufsize, "%d", val); 3191 if (os_snprintf_error(bufsize, res)) { 3192 os_free(buf); 3193 buf = NULL; 3194 } 3195 return buf; 3196} 3197 3198 3199static char * alloc_strdup(const char *str) 3200{ 3201 if (str == NULL) 3202 return NULL; 3203 return os_strdup(str); 3204} 3205 3206 3207char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var) 3208{ 3209 if (os_strcmp(var, "temporary") == 0) 3210 return alloc_int_str(cred->temporary); 3211 3212 if (os_strcmp(var, "priority") == 0) 3213 return alloc_int_str(cred->priority); 3214 3215 if (os_strcmp(var, "sp_priority") == 0) 3216 return alloc_int_str(cred->sp_priority); 3217 3218 if (os_strcmp(var, "pcsc") == 0) 3219 return alloc_int_str(cred->pcsc); 3220 3221 if (os_strcmp(var, "eap") == 0) { 3222 if (!cred->eap_method) 3223 return NULL; 3224 return alloc_strdup(eap_get_name(cred->eap_method[0].vendor, 3225 cred->eap_method[0].method)); 3226 } 3227 3228 if (os_strcmp(var, "update_identifier") == 0) 3229 return alloc_int_str(cred->update_identifier); 3230 3231 if (os_strcmp(var, "min_dl_bandwidth_home") == 0) 3232 return alloc_int_str(cred->min_dl_bandwidth_home); 3233 3234 if (os_strcmp(var, "min_ul_bandwidth_home") == 0) 3235 return alloc_int_str(cred->min_ul_bandwidth_home); 3236 3237 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) 3238 return alloc_int_str(cred->min_dl_bandwidth_roaming); 3239 3240 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) 3241 return alloc_int_str(cred->min_ul_bandwidth_roaming); 3242 3243 if (os_strcmp(var, "max_bss_load") == 0) 3244 return alloc_int_str(cred->max_bss_load); 3245 3246 if (os_strcmp(var, "req_conn_capab") == 0) { 3247 unsigned int i; 3248 char *buf, *end, *pos; 3249 int ret; 3250 3251 if (!cred->num_req_conn_capab) 3252 return NULL; 3253 3254 buf = os_malloc(4000); 3255 if (buf == NULL) 3256 return NULL; 3257 pos = buf; 3258 end = pos + 4000; 3259 for (i = 0; i < cred->num_req_conn_capab; i++) { 3260 int *ports; 3261 3262 ret = os_snprintf(pos, end - pos, "%s%u", 3263 i > 0 ? "\n" : "", 3264 cred->req_conn_capab_proto[i]); 3265 if (os_snprintf_error(end - pos, ret)) 3266 return buf; 3267 pos += ret; 3268 3269 ports = cred->req_conn_capab_port[i]; 3270 if (ports) { 3271 int j; 3272 for (j = 0; ports[j] != -1; j++) { 3273 ret = os_snprintf(pos, end - pos, 3274 "%s%d", 3275 j > 0 ? "," : ":", 3276 ports[j]); 3277 if (os_snprintf_error(end - pos, ret)) 3278 return buf; 3279 pos += ret; 3280 } 3281 } 3282 } 3283 3284 return buf; 3285 } 3286 3287 if (os_strcmp(var, "ocsp") == 0) 3288 return alloc_int_str(cred->ocsp); 3289 3290 if (os_strcmp(var, "realm") == 0) 3291 return alloc_strdup(cred->realm); 3292 3293 if (os_strcmp(var, "username") == 0) 3294 return alloc_strdup(cred->username); 3295 3296 if (os_strcmp(var, "password") == 0) { 3297 if (!cred->password) 3298 return NULL; 3299 return alloc_strdup("*"); 3300 } 3301 3302 if (os_strcmp(var, "ca_cert") == 0) 3303 return alloc_strdup(cred->ca_cert); 3304 3305 if (os_strcmp(var, "client_cert") == 0) 3306 return alloc_strdup(cred->client_cert); 3307 3308 if (os_strcmp(var, "private_key") == 0) 3309 return alloc_strdup(cred->private_key); 3310 3311 if (os_strcmp(var, "private_key_passwd") == 0) { 3312 if (!cred->private_key_passwd) 3313 return NULL; 3314 return alloc_strdup("*"); 3315 } 3316 3317 if (os_strcmp(var, "imsi") == 0) 3318 return alloc_strdup(cred->imsi); 3319 3320 if (os_strcmp(var, "milenage") == 0) { 3321 if (!(cred->milenage)) 3322 return NULL; 3323 return alloc_strdup("*"); 3324 } 3325 3326 if (os_strcmp(var, "domain_suffix_match") == 0) 3327 return alloc_strdup(cred->domain_suffix_match); 3328 3329 if (os_strcmp(var, "domain") == 0) { 3330 unsigned int i; 3331 char *buf, *end, *pos; 3332 int ret; 3333 3334 if (!cred->num_domain) 3335 return NULL; 3336 3337 buf = os_malloc(4000); 3338 if (buf == NULL) 3339 return NULL; 3340 pos = buf; 3341 end = pos + 4000; 3342 3343 for (i = 0; i < cred->num_domain; i++) { 3344 ret = os_snprintf(pos, end - pos, "%s%s", 3345 i > 0 ? "\n" : "", cred->domain[i]); 3346 if (os_snprintf_error(end - pos, ret)) 3347 return buf; 3348 pos += ret; 3349 } 3350 3351 return buf; 3352 } 3353 3354 if (os_strcmp(var, "phase1") == 0) 3355 return alloc_strdup(cred->phase1); 3356 3357 if (os_strcmp(var, "phase2") == 0) 3358 return alloc_strdup(cred->phase2); 3359 3360 if (os_strcmp(var, "roaming_consortium") == 0) { 3361 size_t buflen; 3362 char *buf; 3363 3364 if (!cred->roaming_consortium_len) 3365 return NULL; 3366 buflen = cred->roaming_consortium_len * 2 + 1; 3367 buf = os_malloc(buflen); 3368 if (buf == NULL) 3369 return NULL; 3370 wpa_snprintf_hex(buf, buflen, cred->roaming_consortium, 3371 cred->roaming_consortium_len); 3372 return buf; 3373 } 3374 3375 if (os_strcmp(var, "required_roaming_consortium") == 0) { 3376 size_t buflen; 3377 char *buf; 3378 3379 if (!cred->required_roaming_consortium_len) 3380 return NULL; 3381 buflen = cred->required_roaming_consortium_len * 2 + 1; 3382 buf = os_malloc(buflen); 3383 if (buf == NULL) 3384 return NULL; 3385 wpa_snprintf_hex(buf, buflen, cred->required_roaming_consortium, 3386 cred->required_roaming_consortium_len); 3387 return buf; 3388 } 3389 3390 if (os_strcmp(var, "excluded_ssid") == 0) { 3391 unsigned int i; 3392 char *buf, *end, *pos; 3393 3394 if (!cred->num_excluded_ssid) 3395 return NULL; 3396 3397 buf = os_malloc(4000); 3398 if (buf == NULL) 3399 return NULL; 3400 pos = buf; 3401 end = pos + 4000; 3402 3403 for (i = 0; i < cred->num_excluded_ssid; i++) { 3404 struct excluded_ssid *e; 3405 int ret; 3406 3407 e = &cred->excluded_ssid[i]; 3408 ret = os_snprintf(pos, end - pos, "%s%s", 3409 i > 0 ? "\n" : "", 3410 wpa_ssid_txt(e->ssid, e->ssid_len)); 3411 if (os_snprintf_error(end - pos, ret)) 3412 return buf; 3413 pos += ret; 3414 } 3415 3416 return buf; 3417 } 3418 3419 if (os_strcmp(var, "roaming_partner") == 0) { 3420 unsigned int i; 3421 char *buf, *end, *pos; 3422 3423 if (!cred->num_roaming_partner) 3424 return NULL; 3425 3426 buf = os_malloc(4000); 3427 if (buf == NULL) 3428 return NULL; 3429 pos = buf; 3430 end = pos + 4000; 3431 3432 for (i = 0; i < cred->num_roaming_partner; i++) { 3433 struct roaming_partner *p; 3434 int ret; 3435 3436 p = &cred->roaming_partner[i]; 3437 ret = os_snprintf(pos, end - pos, "%s%s,%d,%u,%s", 3438 i > 0 ? "\n" : "", 3439 p->fqdn, p->exact_match, p->priority, 3440 p->country); 3441 if (os_snprintf_error(end - pos, ret)) 3442 return buf; 3443 pos += ret; 3444 } 3445 3446 return buf; 3447 } 3448 3449 if (os_strcmp(var, "provisioning_sp") == 0) 3450 return alloc_strdup(cred->provisioning_sp); 3451 3452 return NULL; 3453} 3454 3455 3456struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id) 3457{ 3458 struct wpa_cred *cred; 3459 3460 cred = config->cred; 3461 while (cred) { 3462 if (id == cred->id) 3463 break; 3464 cred = cred->next; 3465 } 3466 3467 return cred; 3468} 3469 3470 3471struct wpa_cred * wpa_config_add_cred(struct wpa_config *config) 3472{ 3473 int id; 3474 struct wpa_cred *cred, *last = NULL; 3475 3476 id = -1; 3477 cred = config->cred; 3478 while (cred) { 3479 if (cred->id > id) 3480 id = cred->id; 3481 last = cred; 3482 cred = cred->next; 3483 } 3484 id++; 3485 3486 cred = os_zalloc(sizeof(*cred)); 3487 if (cred == NULL) 3488 return NULL; 3489 cred->id = id; 3490 cred->sim_num = DEFAULT_USER_SELECTED_SIM; 3491 if (last) 3492 last->next = cred; 3493 else 3494 config->cred = cred; 3495 3496 return cred; 3497} 3498 3499 3500int wpa_config_remove_cred(struct wpa_config *config, int id) 3501{ 3502 struct wpa_cred *cred, *prev = NULL; 3503 3504 cred = config->cred; 3505 while (cred) { 3506 if (id == cred->id) 3507 break; 3508 prev = cred; 3509 cred = cred->next; 3510 } 3511 3512 if (cred == NULL) 3513 return -1; 3514 3515 if (prev) 3516 prev->next = cred->next; 3517 else 3518 config->cred = cred->next; 3519 3520 wpa_config_free_cred(cred); 3521 return 0; 3522} 3523 3524 3525#ifndef CONFIG_NO_CONFIG_BLOBS 3526/** 3527 * wpa_config_get_blob - Get a named configuration blob 3528 * @config: Configuration data from wpa_config_read() 3529 * @name: Name of the blob 3530 * Returns: Pointer to blob data or %NULL if not found 3531 */ 3532const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config, 3533 const char *name) 3534{ 3535 struct wpa_config_blob *blob = config->blobs; 3536 3537 while (blob) { 3538 if (os_strcmp(blob->name, name) == 0) 3539 return blob; 3540 blob = blob->next; 3541 } 3542 return NULL; 3543} 3544 3545 3546/** 3547 * wpa_config_set_blob - Set or add a named configuration blob 3548 * @config: Configuration data from wpa_config_read() 3549 * @blob: New value for the blob 3550 * 3551 * Adds a new configuration blob or replaces the current value of an existing 3552 * blob. 3553 */ 3554void wpa_config_set_blob(struct wpa_config *config, 3555 struct wpa_config_blob *blob) 3556{ 3557 wpa_config_remove_blob(config, blob->name); 3558 blob->next = config->blobs; 3559 config->blobs = blob; 3560} 3561 3562 3563/** 3564 * wpa_config_free_blob - Free blob data 3565 * @blob: Pointer to blob to be freed 3566 */ 3567void wpa_config_free_blob(struct wpa_config_blob *blob) 3568{ 3569 if (blob) { 3570 os_free(blob->name); 3571 bin_clear_free(blob->data, blob->len); 3572 os_free(blob); 3573 } 3574} 3575 3576 3577/** 3578 * wpa_config_remove_blob - Remove a named configuration blob 3579 * @config: Configuration data from wpa_config_read() 3580 * @name: Name of the blob to remove 3581 * Returns: 0 if blob was removed or -1 if blob was not found 3582 */ 3583int wpa_config_remove_blob(struct wpa_config *config, const char *name) 3584{ 3585 struct wpa_config_blob *pos = config->blobs, *prev = NULL; 3586 3587 while (pos) { 3588 if (os_strcmp(pos->name, name) == 0) { 3589 if (prev) 3590 prev->next = pos->next; 3591 else 3592 config->blobs = pos->next; 3593 wpa_config_free_blob(pos); 3594 return 0; 3595 } 3596 prev = pos; 3597 pos = pos->next; 3598 } 3599 3600 return -1; 3601} 3602#endif /* CONFIG_NO_CONFIG_BLOBS */ 3603 3604 3605/** 3606 * wpa_config_alloc_empty - Allocate an empty configuration 3607 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain 3608 * socket 3609 * @driver_param: Driver parameters 3610 * Returns: Pointer to allocated configuration data or %NULL on failure 3611 */ 3612struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface, 3613 const char *driver_param) 3614{ 3615 struct wpa_config *config; 3616 const int aCWmin = 4, aCWmax = 10; 3617 const struct hostapd_wmm_ac_params ac_bk = 3618 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */ 3619 const struct hostapd_wmm_ac_params ac_be = 3620 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */ 3621 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */ 3622 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 }; 3623 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */ 3624 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 }; 3625 3626 config = os_zalloc(sizeof(*config)); 3627 if (config == NULL) 3628 return NULL; 3629 config->eapol_version = DEFAULT_EAPOL_VERSION; 3630 config->ap_scan = DEFAULT_AP_SCAN; 3631 config->user_mpm = DEFAULT_USER_MPM; 3632 config->max_peer_links = DEFAULT_MAX_PEER_LINKS; 3633 config->mesh_max_inactivity = DEFAULT_MESH_MAX_INACTIVITY; 3634 config->dot11RSNASAERetransPeriod = 3635 DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD; 3636 config->fast_reauth = DEFAULT_FAST_REAUTH; 3637 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT; 3638 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS; 3639 config->p2p_go_freq_change_policy = DEFAULT_P2P_GO_FREQ_MOVE; 3640 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY; 3641 config->p2p_optimize_listen_chan = DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN; 3642 config->p2p_go_ctwindow = DEFAULT_P2P_GO_CTWINDOW; 3643 config->bss_max_count = DEFAULT_BSS_MAX_COUNT; 3644 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE; 3645 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT; 3646 config->max_num_sta = DEFAULT_MAX_NUM_STA; 3647 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE; 3648 config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ; 3649 config->wmm_ac_params[0] = ac_be; 3650 config->wmm_ac_params[1] = ac_bk; 3651 config->wmm_ac_params[2] = ac_vi; 3652 config->wmm_ac_params[3] = ac_vo; 3653 config->p2p_search_delay = DEFAULT_P2P_SEARCH_DELAY; 3654 config->rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME; 3655 config->key_mgmt_offload = DEFAULT_KEY_MGMT_OFFLOAD; 3656 config->cert_in_cb = DEFAULT_CERT_IN_CB; 3657 config->wpa_rsc_relaxation = DEFAULT_WPA_RSC_RELAXATION; 3658 3659#ifdef CONFIG_MBO 3660 config->mbo_cell_capa = DEFAULT_MBO_CELL_CAPA; 3661#endif /* CONFIG_MBO */ 3662 3663 if (ctrl_interface) 3664 config->ctrl_interface = os_strdup(ctrl_interface); 3665 if (driver_param) 3666 config->driver_param = os_strdup(driver_param); 3667 3668 return config; 3669} 3670 3671 3672#ifndef CONFIG_NO_STDOUT_DEBUG 3673/** 3674 * wpa_config_debug_dump_networks - Debug dump of configured networks 3675 * @config: Configuration data from wpa_config_read() 3676 */ 3677void wpa_config_debug_dump_networks(struct wpa_config *config) 3678{ 3679 int prio; 3680 struct wpa_ssid *ssid; 3681 3682 for (prio = 0; prio < config->num_prio; prio++) { 3683 ssid = config->pssid[prio]; 3684 wpa_printf(MSG_DEBUG, "Priority group %d", 3685 ssid->priority); 3686 while (ssid) { 3687 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'", 3688 ssid->id, 3689 wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); 3690 ssid = ssid->pnext; 3691 } 3692 } 3693} 3694#endif /* CONFIG_NO_STDOUT_DEBUG */ 3695 3696 3697struct global_parse_data { 3698 char *name; 3699 int (*parser)(const struct global_parse_data *data, 3700 struct wpa_config *config, int line, const char *value); 3701 int (*get)(const char *name, struct wpa_config *config, long offset, 3702 char *buf, size_t buflen, int pretty_print); 3703 void *param1, *param2, *param3; 3704 unsigned int changed_flag; 3705}; 3706 3707 3708static int wpa_global_config_parse_int(const struct global_parse_data *data, 3709 struct wpa_config *config, int line, 3710 const char *pos) 3711{ 3712 int val, *dst; 3713 char *end; 3714 3715 dst = (int *) (((u8 *) config) + (long) data->param1); 3716 val = strtol(pos, &end, 0); 3717 if (*end) { 3718 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"", 3719 line, pos); 3720 return -1; 3721 } 3722 *dst = val; 3723 3724 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst); 3725 3726 if (data->param2 && *dst < (long) data->param2) { 3727 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d " 3728 "min_value=%ld)", line, data->name, *dst, 3729 (long) data->param2); 3730 *dst = (long) data->param2; 3731 return -1; 3732 } 3733 3734 if (data->param3 && *dst > (long) data->param3) { 3735 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d " 3736 "max_value=%ld)", line, data->name, *dst, 3737 (long) data->param3); 3738 *dst = (long) data->param3; 3739 return -1; 3740 } 3741 3742 return 0; 3743} 3744 3745 3746static int wpa_global_config_parse_str(const struct global_parse_data *data, 3747 struct wpa_config *config, int line, 3748 const char *pos) 3749{ 3750 size_t len; 3751 char **dst, *tmp; 3752 3753 len = os_strlen(pos); 3754 if (data->param2 && len < (size_t) data->param2) { 3755 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu " 3756 "min_len=%ld)", line, data->name, 3757 (unsigned long) len, (long) data->param2); 3758 return -1; 3759 } 3760 3761 if (data->param3 && len > (size_t) data->param3) { 3762 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu " 3763 "max_len=%ld)", line, data->name, 3764 (unsigned long) len, (long) data->param3); 3765 return -1; 3766 } 3767 3768 if (has_newline(pos)) { 3769 wpa_printf(MSG_ERROR, "Line %d: invalid %s value with newline", 3770 line, data->name); 3771 return -1; 3772 } 3773 3774 tmp = os_strdup(pos); 3775 if (tmp == NULL) 3776 return -1; 3777 3778 dst = (char **) (((u8 *) config) + (long) data->param1); 3779 os_free(*dst); 3780 *dst = tmp; 3781 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst); 3782 3783 return 0; 3784} 3785 3786 3787static int wpa_config_process_bgscan(const struct global_parse_data *data, 3788 struct wpa_config *config, int line, 3789 const char *pos) 3790{ 3791 size_t len; 3792 char *tmp; 3793 int res; 3794 3795 tmp = wpa_config_parse_string(pos, &len); 3796 if (tmp == NULL) { 3797 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s", 3798 line, data->name); 3799 return -1; 3800 } 3801 3802 res = wpa_global_config_parse_str(data, config, line, tmp); 3803 os_free(tmp); 3804 return res; 3805} 3806 3807 3808static int wpa_global_config_parse_bin(const struct global_parse_data *data, 3809 struct wpa_config *config, int line, 3810 const char *pos) 3811{ 3812 struct wpabuf **dst, *tmp; 3813 3814 tmp = wpabuf_parse_bin(pos); 3815 if (!tmp) 3816 return -1; 3817 3818 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1); 3819 wpabuf_free(*dst); 3820 *dst = tmp; 3821 wpa_printf(MSG_DEBUG, "%s", data->name); 3822 3823 return 0; 3824} 3825 3826 3827static int wpa_config_process_freq_list(const struct global_parse_data *data, 3828 struct wpa_config *config, int line, 3829 const char *value) 3830{ 3831 int *freqs; 3832 3833 freqs = wpa_config_parse_int_array(value); 3834 if (freqs == NULL) 3835 return -1; 3836 if (freqs[0] == 0) { 3837 os_free(freqs); 3838 freqs = NULL; 3839 } 3840 os_free(config->freq_list); 3841 config->freq_list = freqs; 3842 return 0; 3843} 3844 3845 3846#ifdef CONFIG_P2P 3847static int wpa_global_config_parse_ipv4(const struct global_parse_data *data, 3848 struct wpa_config *config, int line, 3849 const char *pos) 3850{ 3851 u32 *dst; 3852 struct hostapd_ip_addr addr; 3853 3854 if (hostapd_parse_ip_addr(pos, &addr) < 0) 3855 return -1; 3856 if (addr.af != AF_INET) 3857 return -1; 3858 3859 dst = (u32 *) (((u8 *) config) + (long) data->param1); 3860 os_memcpy(dst, &addr.u.v4.s_addr, 4); 3861 wpa_printf(MSG_DEBUG, "%s = 0x%x", data->name, 3862 WPA_GET_BE32((u8 *) dst)); 3863 3864 return 0; 3865} 3866#endif /* CONFIG_P2P */ 3867 3868 3869static int wpa_config_process_country(const struct global_parse_data *data, 3870 struct wpa_config *config, int line, 3871 const char *pos) 3872{ 3873 if (!pos[0] || !pos[1]) { 3874 wpa_printf(MSG_DEBUG, "Invalid country set"); 3875 return -1; 3876 } 3877 config->country[0] = pos[0]; 3878 config->country[1] = pos[1]; 3879 wpa_printf(MSG_DEBUG, "country='%c%c'", 3880 config->country[0], config->country[1]); 3881 return 0; 3882} 3883 3884 3885static int wpa_config_process_load_dynamic_eap( 3886 const struct global_parse_data *data, struct wpa_config *config, 3887 int line, const char *so) 3888{ 3889 int ret; 3890 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so); 3891 ret = eap_peer_method_load(so); 3892 if (ret == -2) { 3893 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not " 3894 "reloading."); 3895 } else if (ret) { 3896 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP " 3897 "method '%s'.", line, so); 3898 return -1; 3899 } 3900 3901 return 0; 3902} 3903 3904 3905#ifdef CONFIG_WPS 3906 3907static int wpa_config_process_uuid(const struct global_parse_data *data, 3908 struct wpa_config *config, int line, 3909 const char *pos) 3910{ 3911 char buf[40]; 3912 if (uuid_str2bin(pos, config->uuid)) { 3913 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line); 3914 return -1; 3915 } 3916 uuid_bin2str(config->uuid, buf, sizeof(buf)); 3917 wpa_printf(MSG_DEBUG, "uuid=%s", buf); 3918 return 0; 3919} 3920 3921 3922static int wpa_config_process_device_type( 3923 const struct global_parse_data *data, 3924 struct wpa_config *config, int line, const char *pos) 3925{ 3926 return wps_dev_type_str2bin(pos, config->device_type); 3927} 3928 3929 3930static int wpa_config_process_os_version(const struct global_parse_data *data, 3931 struct wpa_config *config, int line, 3932 const char *pos) 3933{ 3934 if (hexstr2bin(pos, config->os_version, 4)) { 3935 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line); 3936 return -1; 3937 } 3938 wpa_printf(MSG_DEBUG, "os_version=%08x", 3939 WPA_GET_BE32(config->os_version)); 3940 return 0; 3941} 3942 3943 3944static int wpa_config_process_wps_vendor_ext_m1( 3945 const struct global_parse_data *data, 3946 struct wpa_config *config, int line, const char *pos) 3947{ 3948 struct wpabuf *tmp; 3949 int len = os_strlen(pos) / 2; 3950 u8 *p; 3951 3952 if (!len) { 3953 wpa_printf(MSG_ERROR, "Line %d: " 3954 "invalid wps_vendor_ext_m1", line); 3955 return -1; 3956 } 3957 3958 tmp = wpabuf_alloc(len); 3959 if (tmp) { 3960 p = wpabuf_put(tmp, len); 3961 3962 if (hexstr2bin(pos, p, len)) { 3963 wpa_printf(MSG_ERROR, "Line %d: " 3964 "invalid wps_vendor_ext_m1", line); 3965 wpabuf_free(tmp); 3966 return -1; 3967 } 3968 3969 wpabuf_free(config->wps_vendor_ext_m1); 3970 config->wps_vendor_ext_m1 = tmp; 3971 } else { 3972 wpa_printf(MSG_ERROR, "Can not allocate " 3973 "memory for wps_vendor_ext_m1"); 3974 return -1; 3975 } 3976 3977 return 0; 3978} 3979 3980#endif /* CONFIG_WPS */ 3981 3982#ifdef CONFIG_P2P 3983static int wpa_config_process_sec_device_type( 3984 const struct global_parse_data *data, 3985 struct wpa_config *config, int line, const char *pos) 3986{ 3987 int idx; 3988 3989 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) { 3990 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type " 3991 "items", line); 3992 return -1; 3993 } 3994 3995 idx = config->num_sec_device_types; 3996 3997 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx])) 3998 return -1; 3999 4000 config->num_sec_device_types++; 4001 return 0; 4002} 4003 4004 4005static int wpa_config_process_p2p_pref_chan( 4006 const struct global_parse_data *data, 4007 struct wpa_config *config, int line, const char *pos) 4008{ 4009 struct p2p_channel *pref = NULL, *n; 4010 unsigned int num = 0; 4011 const char *pos2; 4012 u8 op_class, chan; 4013 4014 /* format: class:chan,class:chan,... */ 4015 4016 while (*pos) { 4017 op_class = atoi(pos); 4018 pos2 = os_strchr(pos, ':'); 4019 if (pos2 == NULL) 4020 goto fail; 4021 pos2++; 4022 chan = atoi(pos2); 4023 4024 n = os_realloc_array(pref, num + 1, 4025 sizeof(struct p2p_channel)); 4026 if (n == NULL) 4027 goto fail; 4028 pref = n; 4029 pref[num].op_class = op_class; 4030 pref[num].chan = chan; 4031 num++; 4032 4033 pos = os_strchr(pos2, ','); 4034 if (pos == NULL) 4035 break; 4036 pos++; 4037 } 4038 4039 os_free(config->p2p_pref_chan); 4040 config->p2p_pref_chan = pref; 4041 config->num_p2p_pref_chan = num; 4042 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs", 4043 (u8 *) config->p2p_pref_chan, 4044 config->num_p2p_pref_chan * sizeof(struct p2p_channel)); 4045 4046 return 0; 4047 4048fail: 4049 os_free(pref); 4050 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line); 4051 return -1; 4052} 4053 4054 4055static int wpa_config_process_p2p_no_go_freq( 4056 const struct global_parse_data *data, 4057 struct wpa_config *config, int line, const char *pos) 4058{ 4059 int ret; 4060 4061 ret = freq_range_list_parse(&config->p2p_no_go_freq, pos); 4062 if (ret < 0) { 4063 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_no_go_freq", line); 4064 return -1; 4065 } 4066 4067 wpa_printf(MSG_DEBUG, "P2P: p2p_no_go_freq with %u items", 4068 config->p2p_no_go_freq.num); 4069 4070 return 0; 4071} 4072 4073#endif /* CONFIG_P2P */ 4074 4075 4076static int wpa_config_process_hessid( 4077 const struct global_parse_data *data, 4078 struct wpa_config *config, int line, const char *pos) 4079{ 4080 if (hwaddr_aton2(pos, config->hessid) < 0) { 4081 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'", 4082 line, pos); 4083 return -1; 4084 } 4085 4086 return 0; 4087} 4088 4089 4090static int wpa_config_process_sae_groups( 4091 const struct global_parse_data *data, 4092 struct wpa_config *config, int line, const char *pos) 4093{ 4094 int *groups = wpa_config_parse_int_array(pos); 4095 if (groups == NULL) { 4096 wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'", 4097 line, pos); 4098 return -1; 4099 } 4100 4101 os_free(config->sae_groups); 4102 config->sae_groups = groups; 4103 4104 return 0; 4105} 4106 4107 4108static int wpa_config_process_ap_vendor_elements( 4109 const struct global_parse_data *data, 4110 struct wpa_config *config, int line, const char *pos) 4111{ 4112 struct wpabuf *tmp; 4113 int len = os_strlen(pos) / 2; 4114 u8 *p; 4115 4116 if (!len) { 4117 wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements", 4118 line); 4119 return -1; 4120 } 4121 4122 tmp = wpabuf_alloc(len); 4123 if (tmp) { 4124 p = wpabuf_put(tmp, len); 4125 4126 if (hexstr2bin(pos, p, len)) { 4127 wpa_printf(MSG_ERROR, "Line %d: invalid " 4128 "ap_vendor_elements", line); 4129 wpabuf_free(tmp); 4130 return -1; 4131 } 4132 4133 wpabuf_free(config->ap_vendor_elements); 4134 config->ap_vendor_elements = tmp; 4135 } else { 4136 wpa_printf(MSG_ERROR, "Cannot allocate memory for " 4137 "ap_vendor_elements"); 4138 return -1; 4139 } 4140 4141 return 0; 4142} 4143 4144 4145#ifdef CONFIG_CTRL_IFACE 4146static int wpa_config_process_no_ctrl_interface( 4147 const struct global_parse_data *data, 4148 struct wpa_config *config, int line, const char *pos) 4149{ 4150 wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL"); 4151 os_free(config->ctrl_interface); 4152 config->ctrl_interface = NULL; 4153 return 0; 4154} 4155#endif /* CONFIG_CTRL_IFACE */ 4156 4157 4158static int wpa_config_get_int(const char *name, struct wpa_config *config, 4159 long offset, char *buf, size_t buflen, 4160 int pretty_print) 4161{ 4162 int *val = (int *) (((u8 *) config) + (long) offset); 4163 4164 if (pretty_print) 4165 return os_snprintf(buf, buflen, "%s=%d\n", name, *val); 4166 return os_snprintf(buf, buflen, "%d", *val); 4167} 4168 4169 4170static int wpa_config_get_str(const char *name, struct wpa_config *config, 4171 long offset, char *buf, size_t buflen, 4172 int pretty_print) 4173{ 4174 char **val = (char **) (((u8 *) config) + (long) offset); 4175 int res; 4176 4177 if (pretty_print) 4178 res = os_snprintf(buf, buflen, "%s=%s\n", name, 4179 *val ? *val : "null"); 4180 else if (!*val) 4181 return -1; 4182 else 4183 res = os_snprintf(buf, buflen, "%s", *val); 4184 if (os_snprintf_error(buflen, res)) 4185 res = -1; 4186 4187 return res; 4188} 4189 4190 4191#ifdef CONFIG_P2P 4192static int wpa_config_get_ipv4(const char *name, struct wpa_config *config, 4193 long offset, char *buf, size_t buflen, 4194 int pretty_print) 4195{ 4196 void *val = ((u8 *) config) + (long) offset; 4197 int res; 4198 char addr[INET_ADDRSTRLEN]; 4199 4200 if (!val || !inet_ntop(AF_INET, val, addr, sizeof(addr))) 4201 return -1; 4202 4203 if (pretty_print) 4204 res = os_snprintf(buf, buflen, "%s=%s\n", name, addr); 4205 else 4206 res = os_snprintf(buf, buflen, "%s", addr); 4207 4208 if (os_snprintf_error(buflen, res)) 4209 res = -1; 4210 4211 return res; 4212} 4213#endif /* CONFIG_P2P */ 4214 4215 4216#ifdef OFFSET 4217#undef OFFSET 4218#endif /* OFFSET */ 4219/* OFFSET: Get offset of a variable within the wpa_config structure */ 4220#define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v) 4221 4222#define FUNC(f) #f, wpa_config_process_ ## f, NULL, OFFSET(f), NULL, NULL 4223#define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL, NULL 4224#define _INT(f) #f, wpa_global_config_parse_int, wpa_config_get_int, OFFSET(f) 4225#define INT(f) _INT(f), NULL, NULL 4226#define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max 4227#define _STR(f) #f, wpa_global_config_parse_str, wpa_config_get_str, OFFSET(f) 4228#define STR(f) _STR(f), NULL, NULL 4229#define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max 4230#define BIN(f) #f, wpa_global_config_parse_bin, NULL, OFFSET(f), NULL, NULL 4231#define IPV4(f) #f, wpa_global_config_parse_ipv4, wpa_config_get_ipv4, \ 4232 OFFSET(f), NULL, NULL 4233 4234static const struct global_parse_data global_fields[] = { 4235#ifdef CONFIG_CTRL_IFACE 4236 { STR(ctrl_interface), 0 }, 4237 { FUNC_NO_VAR(no_ctrl_interface), 0 }, 4238 { STR(ctrl_interface_group), 0 } /* deprecated */, 4239#endif /* CONFIG_CTRL_IFACE */ 4240#ifdef CONFIG_MACSEC 4241 { INT_RANGE(eapol_version, 1, 3), 0 }, 4242#else /* CONFIG_MACSEC */ 4243 { INT_RANGE(eapol_version, 1, 2), 0 }, 4244#endif /* CONFIG_MACSEC */ 4245 { INT(ap_scan), 0 }, 4246 { FUNC(bgscan), 0 }, 4247#ifdef CONFIG_MESH 4248 { INT(user_mpm), 0 }, 4249 { INT_RANGE(max_peer_links, 0, 255), 0 }, 4250 { INT(mesh_max_inactivity), 0 }, 4251 { INT(dot11RSNASAERetransPeriod), 0 }, 4252#endif /* CONFIG_MESH */ 4253 { INT(disable_scan_offload), 0 }, 4254 { INT(fast_reauth), 0 }, 4255 { STR(opensc_engine_path), 0 }, 4256 { STR(pkcs11_engine_path), 0 }, 4257 { STR(pkcs11_module_path), 0 }, 4258 { STR(openssl_ciphers), 0 }, 4259 { STR(pcsc_reader), 0 }, 4260 { STR(pcsc_pin), 0 }, 4261 { INT(external_sim), 0 }, 4262 { STR(driver_param), 0 }, 4263 { INT(dot11RSNAConfigPMKLifetime), 0 }, 4264 { INT(dot11RSNAConfigPMKReauthThreshold), 0 }, 4265 { INT(dot11RSNAConfigSATimeout), 0 }, 4266#ifndef CONFIG_NO_CONFIG_WRITE 4267 { INT(update_config), 0 }, 4268#endif /* CONFIG_NO_CONFIG_WRITE */ 4269 { FUNC_NO_VAR(load_dynamic_eap), 0 }, 4270#ifdef CONFIG_WPS 4271 { FUNC(uuid), CFG_CHANGED_UUID }, 4272 { STR_RANGE(device_name, 0, WPS_DEV_NAME_MAX_LEN), 4273 CFG_CHANGED_DEVICE_NAME }, 4274 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING }, 4275 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING }, 4276 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING }, 4277 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING }, 4278 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE }, 4279 { FUNC(os_version), CFG_CHANGED_OS_VERSION }, 4280 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS }, 4281 { INT_RANGE(wps_cred_processing, 0, 2), 0 }, 4282 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION }, 4283#endif /* CONFIG_WPS */ 4284#ifdef CONFIG_P2P 4285 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE }, 4286 { INT(p2p_listen_reg_class), CFG_CHANGED_P2P_LISTEN_CHANNEL }, 4287 { INT(p2p_listen_channel), CFG_CHANGED_P2P_LISTEN_CHANNEL }, 4288 { INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL }, 4289 { INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL }, 4290 { INT_RANGE(p2p_go_intent, 0, 15), 0 }, 4291 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX }, 4292 { INT_RANGE(persistent_reconnect, 0, 1), 0 }, 4293 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS }, 4294 { INT(p2p_group_idle), 0 }, 4295 { INT_RANGE(p2p_go_freq_change_policy, 0, P2P_GO_FREQ_MOVE_MAX), 0 }, 4296 { INT_RANGE(p2p_passphrase_len, 8, 63), 4297 CFG_CHANGED_P2P_PASSPHRASE_LEN }, 4298 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN }, 4299 { FUNC(p2p_no_go_freq), CFG_CHANGED_P2P_PREF_CHAN }, 4300 { INT_RANGE(p2p_add_cli_chan, 0, 1), 0 }, 4301 { INT_RANGE(p2p_optimize_listen_chan, 0, 1), 0 }, 4302 { INT(p2p_go_ht40), 0 }, 4303 { INT(p2p_go_vht), 0 }, 4304 { INT(p2p_disabled), 0 }, 4305 { INT_RANGE(p2p_go_ctwindow, 0, 127), 0 }, 4306 { INT(p2p_no_group_iface), 0 }, 4307 { INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 }, 4308 { IPV4(ip_addr_go), 0 }, 4309 { IPV4(ip_addr_mask), 0 }, 4310 { IPV4(ip_addr_start), 0 }, 4311 { IPV4(ip_addr_end), 0 }, 4312 { INT_RANGE(p2p_cli_probe, 0, 1), 0 }, 4313#endif /* CONFIG_P2P */ 4314 { FUNC(country), CFG_CHANGED_COUNTRY }, 4315 { INT(bss_max_count), 0 }, 4316 { INT(bss_expiration_age), 0 }, 4317 { INT(bss_expiration_scan_count), 0 }, 4318 { INT_RANGE(filter_ssids, 0, 1), 0 }, 4319 { INT_RANGE(filter_rssi, -100, 0), 0 }, 4320 { INT(max_num_sta), 0 }, 4321 { INT_RANGE(disassoc_low_ack, 0, 1), 0 }, 4322#ifdef CONFIG_HS20 4323 { INT_RANGE(hs20, 0, 1), 0 }, 4324#endif /* CONFIG_HS20 */ 4325 { INT_RANGE(interworking, 0, 1), 0 }, 4326 { FUNC(hessid), 0 }, 4327 { INT_RANGE(access_network_type, 0, 15), 0 }, 4328 { INT_RANGE(pbc_in_m1, 0, 1), 0 }, 4329 { STR(autoscan), 0 }, 4330 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff), 4331 CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4332 { BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4333 { BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4334 { BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN }, 4335 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND }, 4336 { INT(p2p_go_max_inactivity), 0 }, 4337 { INT_RANGE(auto_interworking, 0, 1), 0 }, 4338 { INT(okc), 0 }, 4339 { INT(pmf), 0 }, 4340 { FUNC(sae_groups), 0 }, 4341 { INT(dtim_period), 0 }, 4342 { INT(beacon_int), 0 }, 4343 { FUNC(ap_vendor_elements), 0 }, 4344 { INT_RANGE(ignore_old_scan_res, 0, 1), 0 }, 4345 { FUNC(freq_list), 0 }, 4346 { INT(scan_cur_freq), 0 }, 4347 { INT(sched_scan_interval), 0 }, 4348 { INT(tdls_external_control), 0}, 4349 { STR(osu_dir), 0 }, 4350 { STR(wowlan_triggers), 0 }, 4351 { INT(p2p_search_delay), 0}, 4352 { INT(mac_addr), 0 }, 4353 { INT(rand_addr_lifetime), 0 }, 4354 { INT(preassoc_mac_addr), 0 }, 4355 { INT(key_mgmt_offload), 0}, 4356 { INT(passive_scan), 0 }, 4357 { INT(reassoc_same_bss_optim), 0 }, 4358 { INT(wps_priority), 0}, 4359#ifdef CONFIG_FST 4360 { STR_RANGE(fst_group_id, 1, FST_MAX_GROUP_ID_LEN), 0 }, 4361 { INT_RANGE(fst_priority, 1, FST_MAX_PRIO_VALUE), 0 }, 4362 { INT_RANGE(fst_llt, 1, FST_MAX_LLT_MS), 0 }, 4363#endif /* CONFIG_FST */ 4364 { INT_RANGE(wpa_rsc_relaxation, 0, 1), 0 }, 4365 { STR(sched_scan_plans), CFG_CHANGED_SCHED_SCAN_PLANS }, 4366#ifdef CONFIG_MBO 4367 { STR(non_pref_chan), 0 }, 4368 { INT_RANGE(mbo_cell_capa, MBO_CELL_CAPA_AVAILABLE, 4369 MBO_CELL_CAPA_NOT_SUPPORTED), 0 }, 4370#endif /*CONFIG_MBO */ 4371 { INT(gas_address3), 0 }, 4372}; 4373 4374#undef FUNC 4375#undef _INT 4376#undef INT 4377#undef INT_RANGE 4378#undef _STR 4379#undef STR 4380#undef STR_RANGE 4381#undef BIN 4382#undef IPV4 4383#define NUM_GLOBAL_FIELDS ARRAY_SIZE(global_fields) 4384 4385 4386int wpa_config_dump_values(struct wpa_config *config, char *buf, size_t buflen) 4387{ 4388 int result = 0; 4389 size_t i; 4390 4391 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) { 4392 const struct global_parse_data *field = &global_fields[i]; 4393 int tmp; 4394 4395 if (!field->get) 4396 continue; 4397 4398 tmp = field->get(field->name, config, (long) field->param1, 4399 buf, buflen, 1); 4400 if (tmp < 0) 4401 return -1; 4402 buf += tmp; 4403 buflen -= tmp; 4404 result += tmp; 4405 } 4406 return result; 4407} 4408 4409 4410int wpa_config_get_value(const char *name, struct wpa_config *config, 4411 char *buf, size_t buflen) 4412{ 4413 size_t i; 4414 4415 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) { 4416 const struct global_parse_data *field = &global_fields[i]; 4417 4418 if (os_strcmp(name, field->name) != 0) 4419 continue; 4420 if (!field->get) 4421 break; 4422 return field->get(name, config, (long) field->param1, 4423 buf, buflen, 0); 4424 } 4425 4426 return -1; 4427} 4428 4429 4430int wpa_config_get_num_global_field_names(void) 4431{ 4432 return NUM_GLOBAL_FIELDS; 4433} 4434 4435 4436const char * wpa_config_get_global_field_name(unsigned int i, int *no_var) 4437{ 4438 if (i >= NUM_GLOBAL_FIELDS) 4439 return NULL; 4440 4441 if (no_var) 4442 *no_var = !global_fields[i].param1; 4443 return global_fields[i].name; 4444} 4445 4446 4447int wpa_config_process_global(struct wpa_config *config, char *pos, int line) 4448{ 4449 size_t i; 4450 int ret = 0; 4451 4452 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) { 4453 const struct global_parse_data *field = &global_fields[i]; 4454 size_t flen = os_strlen(field->name); 4455 if (os_strncmp(pos, field->name, flen) != 0 || 4456 pos[flen] != '=') 4457 continue; 4458 4459 if (field->parser(field, config, line, pos + flen + 1)) { 4460 wpa_printf(MSG_ERROR, "Line %d: failed to " 4461 "parse '%s'.", line, pos); 4462 ret = -1; 4463 } 4464 if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN) 4465 config->wps_nfc_pw_from_config = 1; 4466 config->changed_parameters |= field->changed_flag; 4467 break; 4468 } 4469 if (i == NUM_GLOBAL_FIELDS) { 4470#ifdef CONFIG_AP 4471 if (os_strncmp(pos, "wmm_ac_", 7) == 0) { 4472 char *tmp = os_strchr(pos, '='); 4473 if (tmp == NULL) { 4474 if (line < 0) 4475 return -1; 4476 wpa_printf(MSG_ERROR, "Line %d: invalid line " 4477 "'%s'", line, pos); 4478 return -1; 4479 } 4480 *tmp++ = '\0'; 4481 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos, 4482 tmp)) { 4483 wpa_printf(MSG_ERROR, "Line %d: invalid WMM " 4484 "AC item", line); 4485 return -1; 4486 } 4487 } 4488#endif /* CONFIG_AP */ 4489 if (line < 0) 4490 return -1; 4491 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.", 4492 line, pos); 4493 ret = -1; 4494 } 4495 4496 return ret; 4497} 4498