1 /* 2 * WPA Supplicant / Configuration backend: text file 3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 * 8 * This file implements a configuration backend for text files. All the 9 * configuration information is stored in a text file that uses a format 10 * described in the sample configuration file, wpa_supplicant.conf. 11 */ 12 13 #include "includes.h" 14 #ifdef ANDROID 15 #include <sys/stat.h> 16 #endif /* ANDROID */ 17 18 #include "common.h" 19 #include "config.h" 20 #include "base64.h" 21 #include "uuid.h" 22 #include "p2p/p2p.h" 23 #include "eap_peer/eap_methods.h" 24 #include "eap_peer/eap.h" 25 26 27 static int newline_terminated(const char *buf, size_t buflen) 28 { 29 size_t len = os_strlen(buf); 30 if (len == 0) 31 return 0; 32 if (len == buflen - 1 && buf[buflen - 1] != '\r' && 33 buf[len - 1] != '\n') 34 return 0; 35 return 1; 36 } 37 38 39 static void skip_line_end(FILE *stream) 40 { 41 char buf[100]; 42 while (fgets(buf, sizeof(buf), stream)) { 43 buf[sizeof(buf) - 1] = '\0'; 44 if (newline_terminated(buf, sizeof(buf))) 45 return; 46 } 47 } 48 49 50 /** 51 * wpa_config_get_line - Read the next configuration file line 52 * @s: Buffer for the line 53 * @size: The buffer length 54 * @stream: File stream to read from 55 * @line: Pointer to a variable storing the file line number 56 * @_pos: Buffer for the pointer to the beginning of data on the text line or 57 * %NULL if not needed (returned value used instead) 58 * Returns: Pointer to the beginning of data on the text line or %NULL if no 59 * more text lines are available. 60 * 61 * This function reads the next non-empty line from the configuration file and 62 * removes comments. The returned string is guaranteed to be null-terminated. 63 */ 64 static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line, 65 char **_pos) 66 { 67 char *pos, *end, *sstart; 68 69 while (fgets(s, size, stream)) { 70 (*line)++; 71 s[size - 1] = '\0'; 72 if (!newline_terminated(s, size)) { 73 /* 74 * The line was truncated - skip rest of it to avoid 75 * confusing error messages. 76 */ 77 wpa_printf(MSG_INFO, "Long line in configuration file " 78 "truncated"); 79 skip_line_end(stream); 80 } 81 pos = s; 82 83 /* Skip white space from the beginning of line. */ 84 while (*pos == ' ' || *pos == '\t' || *pos == '\r') 85 pos++; 86 87 /* Skip comment lines and empty lines */ 88 if (*pos == '#' || *pos == '\n' || *pos == '\0') 89 continue; 90 91 /* 92 * Remove # comments unless they are within a double quoted 93 * string. 94 */ 95 sstart = os_strchr(pos, '"'); 96 if (sstart) 97 sstart = os_strrchr(sstart + 1, '"'); 98 if (!sstart) 99 sstart = pos; 100 end = os_strchr(sstart, '#'); 101 if (end) 102 *end-- = '\0'; 103 else 104 end = pos + os_strlen(pos) - 1; 105 106 /* Remove trailing white space. */ 107 while (end > pos && 108 (*end == '\n' || *end == ' ' || *end == '\t' || 109 *end == '\r')) 110 *end-- = '\0'; 111 112 if (*pos == '\0') 113 continue; 114 115 if (_pos) 116 *_pos = pos; 117 return pos; 118 } 119 120 if (_pos) 121 *_pos = NULL; 122 return NULL; 123 } 124 125 126 static int wpa_config_validate_network(struct wpa_ssid *ssid, int line) 127 { 128 int errors = 0; 129 130 if (ssid->passphrase) { 131 if (ssid->psk_set) { 132 wpa_printf(MSG_ERROR, "Line %d: both PSK and " 133 "passphrase configured.", line); 134 errors++; 135 } 136 wpa_config_update_psk(ssid); 137 } 138 139 if ((ssid->group_cipher & WPA_CIPHER_CCMP) && 140 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && 141 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) { 142 /* Group cipher cannot be stronger than the pairwise cipher. */ 143 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher" 144 " list since it was not allowed for pairwise " 145 "cipher", line); 146 ssid->group_cipher &= ~WPA_CIPHER_CCMP; 147 } 148 149 if (ssid->mode == WPAS_MODE_MESH && 150 (ssid->key_mgmt != WPA_KEY_MGMT_NONE && 151 ssid->key_mgmt != WPA_KEY_MGMT_SAE)) { 152 wpa_printf(MSG_ERROR, 153 "Line %d: key_mgmt for mesh network should be open or SAE", 154 line); 155 errors++; 156 } 157 158 return errors; 159 } 160 161 162 static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id) 163 { 164 struct wpa_ssid *ssid; 165 int errors = 0, end = 0; 166 char buf[2000], *pos, *pos2; 167 168 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block", 169 *line); 170 ssid = os_zalloc(sizeof(*ssid)); 171 if (ssid == NULL) 172 return NULL; 173 dl_list_init(&ssid->psk_list); 174 ssid->id = id; 175 176 wpa_config_set_network_defaults(ssid); 177 178 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { 179 if (os_strcmp(pos, "}") == 0) { 180 end = 1; 181 break; 182 } 183 184 pos2 = os_strchr(pos, '='); 185 if (pos2 == NULL) { 186 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line " 187 "'%s'.", *line, pos); 188 errors++; 189 continue; 190 } 191 192 *pos2++ = '\0'; 193 if (*pos2 == '"') { 194 if (os_strchr(pos2 + 1, '"') == NULL) { 195 wpa_printf(MSG_ERROR, "Line %d: invalid " 196 "quotation '%s'.", *line, pos2); 197 errors++; 198 continue; 199 } 200 } 201 202 if (wpa_config_set(ssid, pos, pos2, *line) < 0) 203 errors++; 204 } 205 206 if (!end) { 207 wpa_printf(MSG_ERROR, "Line %d: network block was not " 208 "terminated properly.", *line); 209 errors++; 210 } 211 212 errors += wpa_config_validate_network(ssid, *line); 213 214 if (errors) { 215 wpa_config_free_ssid(ssid); 216 ssid = NULL; 217 } 218 219 return ssid; 220 } 221 222 223 static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id) 224 { 225 struct wpa_cred *cred; 226 int errors = 0, end = 0; 227 char buf[256], *pos, *pos2; 228 229 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line); 230 cred = os_zalloc(sizeof(*cred)); 231 if (cred == NULL) 232 return NULL; 233 cred->id = id; 234 cred->sim_num = DEFAULT_USER_SELECTED_SIM; 235 236 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { 237 if (os_strcmp(pos, "}") == 0) { 238 end = 1; 239 break; 240 } 241 242 pos2 = os_strchr(pos, '='); 243 if (pos2 == NULL) { 244 wpa_printf(MSG_ERROR, "Line %d: Invalid cred line " 245 "'%s'.", *line, pos); 246 errors++; 247 continue; 248 } 249 250 *pos2++ = '\0'; 251 if (*pos2 == '"') { 252 if (os_strchr(pos2 + 1, '"') == NULL) { 253 wpa_printf(MSG_ERROR, "Line %d: invalid " 254 "quotation '%s'.", *line, pos2); 255 errors++; 256 continue; 257 } 258 } 259 260 if (wpa_config_set_cred(cred, pos, pos2, *line) < 0) 261 errors++; 262 } 263 264 if (!end) { 265 wpa_printf(MSG_ERROR, "Line %d: cred block was not " 266 "terminated properly.", *line); 267 errors++; 268 } 269 270 if (errors) { 271 wpa_config_free_cred(cred); 272 cred = NULL; 273 } 274 275 return cred; 276 } 277 278 279 #ifndef CONFIG_NO_CONFIG_BLOBS 280 static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line, 281 const char *name) 282 { 283 struct wpa_config_blob *blob; 284 char buf[256], *pos; 285 unsigned char *encoded = NULL, *nencoded; 286 int end = 0; 287 size_t encoded_len = 0, len; 288 289 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'", 290 *line, name); 291 292 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { 293 if (os_strcmp(pos, "}") == 0) { 294 end = 1; 295 break; 296 } 297 298 len = os_strlen(pos); 299 nencoded = os_realloc(encoded, encoded_len + len); 300 if (nencoded == NULL) { 301 wpa_printf(MSG_ERROR, "Line %d: not enough memory for " 302 "blob", *line); 303 os_free(encoded); 304 return NULL; 305 } 306 encoded = nencoded; 307 os_memcpy(encoded + encoded_len, pos, len); 308 encoded_len += len; 309 } 310 311 if (!end) { 312 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated " 313 "properly", *line); 314 os_free(encoded); 315 return NULL; 316 } 317 318 blob = os_zalloc(sizeof(*blob)); 319 if (blob == NULL) { 320 os_free(encoded); 321 return NULL; 322 } 323 blob->name = os_strdup(name); 324 blob->data = base64_decode(encoded, encoded_len, &blob->len); 325 os_free(encoded); 326 327 if (blob->name == NULL || blob->data == NULL) { 328 wpa_config_free_blob(blob); 329 return NULL; 330 } 331 332 return blob; 333 } 334 335 336 static int wpa_config_process_blob(struct wpa_config *config, FILE *f, 337 int *line, char *bname) 338 { 339 char *name_end; 340 struct wpa_config_blob *blob; 341 342 name_end = os_strchr(bname, '='); 343 if (name_end == NULL) { 344 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator", 345 *line); 346 return -1; 347 } 348 *name_end = '\0'; 349 350 blob = wpa_config_read_blob(f, line, bname); 351 if (blob == NULL) { 352 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s", 353 *line, bname); 354 return -1; 355 } 356 wpa_config_set_blob(config, blob); 357 return 0; 358 } 359 #endif /* CONFIG_NO_CONFIG_BLOBS */ 360 361 362 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp) 363 { 364 FILE *f; 365 char buf[512], *pos; 366 int errors = 0, line = 0; 367 struct wpa_ssid *ssid, *tail, *head; 368 struct wpa_cred *cred, *cred_tail, *cred_head; 369 struct wpa_config *config; 370 int id = 0; 371 int cred_id = 0; 372 373 if (name == NULL) 374 return NULL; 375 if (cfgp) 376 config = cfgp; 377 else 378 config = wpa_config_alloc_empty(NULL, NULL); 379 if (config == NULL) { 380 wpa_printf(MSG_ERROR, "Failed to allocate config file " 381 "structure"); 382 return NULL; 383 } 384 tail = head = config->ssid; 385 while (tail && tail->next) 386 tail = tail->next; 387 cred_tail = cred_head = config->cred; 388 while (cred_tail && cred_tail->next) 389 cred_tail = cred_tail->next; 390 391 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name); 392 f = fopen(name, "r"); 393 if (f == NULL) { 394 wpa_printf(MSG_ERROR, "Failed to open config file '%s', " 395 "error: %s", name, strerror(errno)); 396 os_free(config); 397 return NULL; 398 } 399 400 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) { 401 if (os_strcmp(pos, "network={") == 0) { 402 ssid = wpa_config_read_network(f, &line, id++); 403 if (ssid == NULL) { 404 wpa_printf(MSG_ERROR, "Line %d: failed to " 405 "parse network block.", line); 406 errors++; 407 continue; 408 } 409 if (head == NULL) { 410 head = tail = ssid; 411 } else { 412 tail->next = ssid; 413 tail = ssid; 414 } 415 if (wpa_config_add_prio_network(config, ssid)) { 416 wpa_printf(MSG_ERROR, "Line %d: failed to add " 417 "network block to priority list.", 418 line); 419 errors++; 420 continue; 421 } 422 } else if (os_strcmp(pos, "cred={") == 0) { 423 cred = wpa_config_read_cred(f, &line, cred_id++); 424 if (cred == NULL) { 425 wpa_printf(MSG_ERROR, "Line %d: failed to " 426 "parse cred block.", line); 427 errors++; 428 continue; 429 } 430 if (cred_head == NULL) { 431 cred_head = cred_tail = cred; 432 } else { 433 cred_tail->next = cred; 434 cred_tail = cred; 435 } 436 #ifndef CONFIG_NO_CONFIG_BLOBS 437 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) { 438 if (wpa_config_process_blob(config, f, &line, pos + 12) 439 < 0) { 440 wpa_printf(MSG_ERROR, "Line %d: failed to " 441 "process blob.", line); 442 errors++; 443 continue; 444 } 445 #endif /* CONFIG_NO_CONFIG_BLOBS */ 446 } else if (wpa_config_process_global(config, pos, line) < 0) { 447 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration " 448 "line '%s'.", line, pos); 449 errors++; 450 continue; 451 } 452 } 453 454 fclose(f); 455 456 config->ssid = head; 457 wpa_config_debug_dump_networks(config); 458 config->cred = cred_head; 459 460 #ifndef WPA_IGNORE_CONFIG_ERRORS 461 if (errors) { 462 wpa_config_free(config); 463 config = NULL; 464 head = NULL; 465 } 466 #endif /* WPA_IGNORE_CONFIG_ERRORS */ 467 468 return config; 469 } 470 471 472 #ifndef CONFIG_NO_CONFIG_WRITE 473 474 static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid) 475 { 476 char *value = wpa_config_get(ssid, field); 477 if (value == NULL) 478 return; 479 fprintf(f, "\t%s=%s\n", field, value); 480 os_free(value); 481 } 482 483 484 static void write_int(FILE *f, const char *field, int value, int def) 485 { 486 if (value == def) 487 return; 488 fprintf(f, "\t%s=%d\n", field, value); 489 } 490 491 492 static void write_bssid(FILE *f, struct wpa_ssid *ssid) 493 { 494 char *value = wpa_config_get(ssid, "bssid"); 495 if (value == NULL) 496 return; 497 fprintf(f, "\tbssid=%s\n", value); 498 os_free(value); 499 } 500 501 502 static void write_psk(FILE *f, struct wpa_ssid *ssid) 503 { 504 char *value; 505 506 if (ssid->mem_only_psk) 507 return; 508 509 value = wpa_config_get(ssid, "psk"); 510 if (value == NULL) 511 return; 512 fprintf(f, "\tpsk=%s\n", value); 513 os_free(value); 514 } 515 516 517 static void write_proto(FILE *f, struct wpa_ssid *ssid) 518 { 519 char *value; 520 521 if (ssid->proto == DEFAULT_PROTO) 522 return; 523 524 value = wpa_config_get(ssid, "proto"); 525 if (value == NULL) 526 return; 527 if (value[0]) 528 fprintf(f, "\tproto=%s\n", value); 529 os_free(value); 530 } 531 532 533 static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid) 534 { 535 char *value; 536 537 if (ssid->key_mgmt == DEFAULT_KEY_MGMT) 538 return; 539 540 value = wpa_config_get(ssid, "key_mgmt"); 541 if (value == NULL) 542 return; 543 if (value[0]) 544 fprintf(f, "\tkey_mgmt=%s\n", value); 545 os_free(value); 546 } 547 548 549 static void write_pairwise(FILE *f, struct wpa_ssid *ssid) 550 { 551 char *value; 552 553 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) 554 return; 555 556 value = wpa_config_get(ssid, "pairwise"); 557 if (value == NULL) 558 return; 559 if (value[0]) 560 fprintf(f, "\tpairwise=%s\n", value); 561 os_free(value); 562 } 563 564 565 static void write_group(FILE *f, struct wpa_ssid *ssid) 566 { 567 char *value; 568 569 if (ssid->group_cipher == DEFAULT_GROUP) 570 return; 571 572 value = wpa_config_get(ssid, "group"); 573 if (value == NULL) 574 return; 575 if (value[0]) 576 fprintf(f, "\tgroup=%s\n", value); 577 os_free(value); 578 } 579 580 581 static void write_auth_alg(FILE *f, struct wpa_ssid *ssid) 582 { 583 char *value; 584 585 if (ssid->auth_alg == 0) 586 return; 587 588 value = wpa_config_get(ssid, "auth_alg"); 589 if (value == NULL) 590 return; 591 if (value[0]) 592 fprintf(f, "\tauth_alg=%s\n", value); 593 os_free(value); 594 } 595 596 597 #ifdef IEEE8021X_EAPOL 598 static void write_eap(FILE *f, struct wpa_ssid *ssid) 599 { 600 char *value; 601 602 value = wpa_config_get(ssid, "eap"); 603 if (value == NULL) 604 return; 605 606 if (value[0]) 607 fprintf(f, "\teap=%s\n", value); 608 os_free(value); 609 } 610 #endif /* IEEE8021X_EAPOL */ 611 612 613 static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid) 614 { 615 char field[20], *value; 616 int res; 617 618 res = os_snprintf(field, sizeof(field), "wep_key%d", idx); 619 if (os_snprintf_error(sizeof(field), res)) 620 return; 621 value = wpa_config_get(ssid, field); 622 if (value) { 623 fprintf(f, "\t%s=%s\n", field, value); 624 os_free(value); 625 } 626 } 627 628 629 #ifdef CONFIG_P2P 630 631 static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid) 632 { 633 char *value = wpa_config_get(ssid, "go_p2p_dev_addr"); 634 if (value == NULL) 635 return; 636 fprintf(f, "\tgo_p2p_dev_addr=%s\n", value); 637 os_free(value); 638 } 639 640 static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid) 641 { 642 char *value = wpa_config_get(ssid, "p2p_client_list"); 643 if (value == NULL) 644 return; 645 fprintf(f, "\tp2p_client_list=%s\n", value); 646 os_free(value); 647 } 648 649 650 static void write_psk_list(FILE *f, struct wpa_ssid *ssid) 651 { 652 struct psk_list_entry *psk; 653 char hex[32 * 2 + 1]; 654 655 dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) { 656 wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk)); 657 fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n", 658 psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex); 659 } 660 } 661 662 #endif /* CONFIG_P2P */ 663 664 665 static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid) 666 { 667 int i; 668 669 #define STR(t) write_str(f, #t, ssid) 670 #define INT(t) write_int(f, #t, ssid->t, 0) 671 #define INTe(t) write_int(f, #t, ssid->eap.t, 0) 672 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def) 673 #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def) 674 675 STR(ssid); 676 INT(scan_ssid); 677 write_bssid(f, ssid); 678 write_str(f, "bssid_blacklist", ssid); 679 write_str(f, "bssid_whitelist", ssid); 680 write_psk(f, ssid); 681 INT(mem_only_psk); 682 write_proto(f, ssid); 683 write_key_mgmt(f, ssid); 684 INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD); 685 write_pairwise(f, ssid); 686 write_group(f, ssid); 687 write_auth_alg(f, ssid); 688 STR(bgscan); 689 STR(autoscan); 690 STR(scan_freq); 691 #ifdef IEEE8021X_EAPOL 692 write_eap(f, ssid); 693 STR(identity); 694 STR(anonymous_identity); 695 STR(password); 696 STR(ca_cert); 697 STR(ca_path); 698 STR(client_cert); 699 STR(private_key); 700 STR(private_key_passwd); 701 STR(dh_file); 702 STR(subject_match); 703 STR(altsubject_match); 704 STR(domain_suffix_match); 705 STR(domain_match); 706 STR(ca_cert2); 707 STR(ca_path2); 708 STR(client_cert2); 709 STR(private_key2); 710 STR(private_key2_passwd); 711 STR(dh_file2); 712 STR(subject_match2); 713 STR(altsubject_match2); 714 STR(domain_suffix_match2); 715 STR(domain_match2); 716 STR(phase1); 717 STR(phase2); 718 STR(pcsc); 719 STR(pin); 720 STR(engine_id); 721 STR(key_id); 722 STR(cert_id); 723 STR(ca_cert_id); 724 STR(key2_id); 725 STR(pin2); 726 STR(engine2_id); 727 STR(cert2_id); 728 STR(ca_cert2_id); 729 INTe(engine); 730 INTe(engine2); 731 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); 732 STR(openssl_ciphers); 733 INTe(erp); 734 #endif /* IEEE8021X_EAPOL */ 735 for (i = 0; i < 4; i++) 736 write_wep_key(f, i, ssid); 737 INT(wep_tx_keyidx); 738 INT(priority); 739 #ifdef IEEE8021X_EAPOL 740 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); 741 STR(pac_file); 742 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); 743 INTe(ocsp); 744 INT_DEFe(sim_num, DEFAULT_USER_SELECTED_SIM); 745 #endif /* IEEE8021X_EAPOL */ 746 INT(mode); 747 INT(no_auto_peer); 748 INT(frequency); 749 INT(fixed_freq); 750 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1); 751 INT(disabled); 752 INT(peerkey); 753 INT(mixed_cell); 754 #ifdef CONFIG_IEEE80211W 755 write_int(f, "ieee80211w", ssid->ieee80211w, 756 MGMT_FRAME_PROTECTION_DEFAULT); 757 #endif /* CONFIG_IEEE80211W */ 758 STR(id_str); 759 #ifdef CONFIG_P2P 760 write_go_p2p_dev_addr(f, ssid); 761 write_p2p_client_list(f, ssid); 762 write_psk_list(f, ssid); 763 #endif /* CONFIG_P2P */ 764 INT(ap_max_inactivity); 765 INT(dtim_period); 766 INT(beacon_int); 767 #ifdef CONFIG_MACSEC 768 INT(macsec_policy); 769 #endif /* CONFIG_MACSEC */ 770 #ifdef CONFIG_HS20 771 INT(update_identifier); 772 #endif /* CONFIG_HS20 */ 773 write_int(f, "mac_addr", ssid->mac_addr, -1); 774 #ifdef CONFIG_MESH 775 STR(mesh_basic_rates); 776 INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES); 777 INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT); 778 INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT); 779 INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT); 780 #endif /* CONFIG_MESH */ 781 INT(wpa_ptk_rekey); 782 INT(ignore_broadcast_ssid); 783 #ifdef CONFIG_HT_OVERRIDES 784 INT_DEF(disable_ht, DEFAULT_DISABLE_HT); 785 INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40); 786 INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI); 787 INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC); 788 INT(ht40_intolerant); 789 INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU); 790 INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR); 791 INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY); 792 STR(ht_mcs); 793 #endif /* CONFIG_HT_OVERRIDES */ 794 #ifdef CONFIG_VHT_OVERRIDES 795 INT(disable_vht); 796 INT(vht_capa); 797 INT(vht_capa_mask); 798 INT_DEF(vht_rx_mcs_nss_1, -1); 799 INT_DEF(vht_rx_mcs_nss_2, -1); 800 INT_DEF(vht_rx_mcs_nss_3, -1); 801 INT_DEF(vht_rx_mcs_nss_4, -1); 802 INT_DEF(vht_rx_mcs_nss_5, -1); 803 INT_DEF(vht_rx_mcs_nss_6, -1); 804 INT_DEF(vht_rx_mcs_nss_7, -1); 805 INT_DEF(vht_rx_mcs_nss_8, -1); 806 INT_DEF(vht_tx_mcs_nss_1, -1); 807 INT_DEF(vht_tx_mcs_nss_2, -1); 808 INT_DEF(vht_tx_mcs_nss_3, -1); 809 INT_DEF(vht_tx_mcs_nss_4, -1); 810 INT_DEF(vht_tx_mcs_nss_5, -1); 811 INT_DEF(vht_tx_mcs_nss_6, -1); 812 INT_DEF(vht_tx_mcs_nss_7, -1); 813 INT_DEF(vht_tx_mcs_nss_8, -1); 814 #endif /* CONFIG_VHT_OVERRIDES */ 815 816 #undef STR 817 #undef INT 818 #undef INT_DEF 819 } 820 821 822 static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred) 823 { 824 size_t i; 825 826 if (cred->priority) 827 fprintf(f, "\tpriority=%d\n", cred->priority); 828 if (cred->pcsc) 829 fprintf(f, "\tpcsc=%d\n", cred->pcsc); 830 if (cred->realm) 831 fprintf(f, "\trealm=\"%s\"\n", cred->realm); 832 if (cred->username) 833 fprintf(f, "\tusername=\"%s\"\n", cred->username); 834 if (cred->password && cred->ext_password) 835 fprintf(f, "\tpassword=ext:%s\n", cred->password); 836 else if (cred->password) 837 fprintf(f, "\tpassword=\"%s\"\n", cred->password); 838 if (cred->ca_cert) 839 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert); 840 if (cred->client_cert) 841 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert); 842 if (cred->private_key) 843 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key); 844 if (cred->private_key_passwd) 845 fprintf(f, "\tprivate_key_passwd=\"%s\"\n", 846 cred->private_key_passwd); 847 if (cred->imsi) 848 fprintf(f, "\timsi=\"%s\"\n", cred->imsi); 849 if (cred->milenage) 850 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage); 851 for (i = 0; i < cred->num_domain; i++) 852 fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]); 853 if (cred->domain_suffix_match) 854 fprintf(f, "\tdomain_suffix_match=\"%s\"\n", 855 cred->domain_suffix_match); 856 if (cred->roaming_consortium_len) { 857 fprintf(f, "\troaming_consortium="); 858 for (i = 0; i < cred->roaming_consortium_len; i++) 859 fprintf(f, "%02x", cred->roaming_consortium[i]); 860 fprintf(f, "\n"); 861 } 862 if (cred->eap_method) { 863 const char *name; 864 name = eap_get_name(cred->eap_method[0].vendor, 865 cred->eap_method[0].method); 866 if (name) 867 fprintf(f, "\teap=%s\n", name); 868 } 869 if (cred->phase1) 870 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1); 871 if (cred->phase2) 872 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2); 873 if (cred->excluded_ssid) { 874 size_t j; 875 for (i = 0; i < cred->num_excluded_ssid; i++) { 876 struct excluded_ssid *e = &cred->excluded_ssid[i]; 877 fprintf(f, "\texcluded_ssid="); 878 for (j = 0; j < e->ssid_len; j++) 879 fprintf(f, "%02x", e->ssid[j]); 880 fprintf(f, "\n"); 881 } 882 } 883 if (cred->roaming_partner) { 884 for (i = 0; i < cred->num_roaming_partner; i++) { 885 struct roaming_partner *p = &cred->roaming_partner[i]; 886 fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n", 887 p->fqdn, p->exact_match, p->priority, 888 p->country); 889 } 890 } 891 if (cred->update_identifier) 892 fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier); 893 894 if (cred->provisioning_sp) 895 fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp); 896 if (cred->sp_priority) 897 fprintf(f, "\tsp_priority=%d\n", cred->sp_priority); 898 899 if (cred->min_dl_bandwidth_home) 900 fprintf(f, "\tmin_dl_bandwidth_home=%u\n", 901 cred->min_dl_bandwidth_home); 902 if (cred->min_ul_bandwidth_home) 903 fprintf(f, "\tmin_ul_bandwidth_home=%u\n", 904 cred->min_ul_bandwidth_home); 905 if (cred->min_dl_bandwidth_roaming) 906 fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n", 907 cred->min_dl_bandwidth_roaming); 908 if (cred->min_ul_bandwidth_roaming) 909 fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n", 910 cred->min_ul_bandwidth_roaming); 911 912 if (cred->max_bss_load) 913 fprintf(f, "\tmax_bss_load=%u\n", 914 cred->max_bss_load); 915 916 if (cred->ocsp) 917 fprintf(f, "\tocsp=%d\n", cred->ocsp); 918 919 if (cred->num_req_conn_capab) { 920 for (i = 0; i < cred->num_req_conn_capab; i++) { 921 int *ports; 922 923 fprintf(f, "\treq_conn_capab=%u", 924 cred->req_conn_capab_proto[i]); 925 ports = cred->req_conn_capab_port[i]; 926 if (ports) { 927 int j; 928 for (j = 0; ports[j] != -1; j++) { 929 fprintf(f, "%s%d", j > 0 ? "," : ":", 930 ports[j]); 931 } 932 } 933 fprintf(f, "\n"); 934 } 935 } 936 937 if (cred->required_roaming_consortium_len) { 938 fprintf(f, "\trequired_roaming_consortium="); 939 for (i = 0; i < cred->required_roaming_consortium_len; i++) 940 fprintf(f, "%02x", 941 cred->required_roaming_consortium[i]); 942 fprintf(f, "\n"); 943 } 944 945 if (cred->sim_num != DEFAULT_USER_SELECTED_SIM) 946 fprintf(f, "\tsim_num=%d\n", cred->sim_num); 947 } 948 949 950 #ifndef CONFIG_NO_CONFIG_BLOBS 951 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob) 952 { 953 unsigned char *encoded; 954 955 encoded = base64_encode(blob->data, blob->len, NULL); 956 if (encoded == NULL) 957 return -1; 958 959 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded); 960 os_free(encoded); 961 return 0; 962 } 963 #endif /* CONFIG_NO_CONFIG_BLOBS */ 964 965 966 static void write_global_bin(FILE *f, const char *field, 967 const struct wpabuf *val) 968 { 969 size_t i; 970 const u8 *pos; 971 972 if (val == NULL) 973 return; 974 975 fprintf(f, "%s=", field); 976 pos = wpabuf_head(val); 977 for (i = 0; i < wpabuf_len(val); i++) 978 fprintf(f, "%02X", *pos++); 979 fprintf(f, "\n"); 980 } 981 982 983 static void wpa_config_write_global(FILE *f, struct wpa_config *config) 984 { 985 #ifdef CONFIG_CTRL_IFACE 986 if (config->ctrl_interface) 987 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface); 988 if (config->ctrl_interface_group) 989 fprintf(f, "ctrl_interface_group=%s\n", 990 config->ctrl_interface_group); 991 #endif /* CONFIG_CTRL_IFACE */ 992 if (config->eapol_version != DEFAULT_EAPOL_VERSION) 993 fprintf(f, "eapol_version=%d\n", config->eapol_version); 994 if (config->ap_scan != DEFAULT_AP_SCAN) 995 fprintf(f, "ap_scan=%d\n", config->ap_scan); 996 if (config->disable_scan_offload) 997 fprintf(f, "disable_scan_offload=%d\n", 998 config->disable_scan_offload); 999 if (config->fast_reauth != DEFAULT_FAST_REAUTH) 1000 fprintf(f, "fast_reauth=%d\n", config->fast_reauth); 1001 if (config->opensc_engine_path) 1002 fprintf(f, "opensc_engine_path=%s\n", 1003 config->opensc_engine_path); 1004 if (config->pkcs11_engine_path) 1005 fprintf(f, "pkcs11_engine_path=%s\n", 1006 config->pkcs11_engine_path); 1007 if (config->pkcs11_module_path) 1008 fprintf(f, "pkcs11_module_path=%s\n", 1009 config->pkcs11_module_path); 1010 if (config->openssl_ciphers) 1011 fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers); 1012 if (config->pcsc_reader) 1013 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader); 1014 if (config->pcsc_pin) 1015 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin); 1016 if (config->driver_param) 1017 fprintf(f, "driver_param=%s\n", config->driver_param); 1018 if (config->dot11RSNAConfigPMKLifetime) 1019 fprintf(f, "dot11RSNAConfigPMKLifetime=%u\n", 1020 config->dot11RSNAConfigPMKLifetime); 1021 if (config->dot11RSNAConfigPMKReauthThreshold) 1022 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%u\n", 1023 config->dot11RSNAConfigPMKReauthThreshold); 1024 if (config->dot11RSNAConfigSATimeout) 1025 fprintf(f, "dot11RSNAConfigSATimeout=%u\n", 1026 config->dot11RSNAConfigSATimeout); 1027 if (config->update_config) 1028 fprintf(f, "update_config=%d\n", config->update_config); 1029 #ifdef CONFIG_WPS 1030 if (!is_nil_uuid(config->uuid)) { 1031 char buf[40]; 1032 uuid_bin2str(config->uuid, buf, sizeof(buf)); 1033 fprintf(f, "uuid=%s\n", buf); 1034 } 1035 if (config->device_name) 1036 fprintf(f, "device_name=%s\n", config->device_name); 1037 if (config->manufacturer) 1038 fprintf(f, "manufacturer=%s\n", config->manufacturer); 1039 if (config->model_name) 1040 fprintf(f, "model_name=%s\n", config->model_name); 1041 if (config->model_number) 1042 fprintf(f, "model_number=%s\n", config->model_number); 1043 if (config->serial_number) 1044 fprintf(f, "serial_number=%s\n", config->serial_number); 1045 { 1046 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf; 1047 buf = wps_dev_type_bin2str(config->device_type, 1048 _buf, sizeof(_buf)); 1049 if (os_strcmp(buf, "0-00000000-0") != 0) 1050 fprintf(f, "device_type=%s\n", buf); 1051 } 1052 if (WPA_GET_BE32(config->os_version)) 1053 fprintf(f, "os_version=%08x\n", 1054 WPA_GET_BE32(config->os_version)); 1055 if (config->config_methods) 1056 fprintf(f, "config_methods=%s\n", config->config_methods); 1057 if (config->wps_cred_processing) 1058 fprintf(f, "wps_cred_processing=%d\n", 1059 config->wps_cred_processing); 1060 if (config->wps_vendor_ext_m1) { 1061 int i, len = wpabuf_len(config->wps_vendor_ext_m1); 1062 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1); 1063 if (len > 0) { 1064 fprintf(f, "wps_vendor_ext_m1="); 1065 for (i = 0; i < len; i++) 1066 fprintf(f, "%02x", *p++); 1067 fprintf(f, "\n"); 1068 } 1069 } 1070 #endif /* CONFIG_WPS */ 1071 #ifdef CONFIG_P2P 1072 if (config->p2p_listen_reg_class) 1073 fprintf(f, "p2p_listen_reg_class=%d\n", 1074 config->p2p_listen_reg_class); 1075 if (config->p2p_listen_channel) 1076 fprintf(f, "p2p_listen_channel=%d\n", 1077 config->p2p_listen_channel); 1078 if (config->p2p_oper_reg_class) 1079 fprintf(f, "p2p_oper_reg_class=%d\n", 1080 config->p2p_oper_reg_class); 1081 if (config->p2p_oper_channel) 1082 fprintf(f, "p2p_oper_channel=%d\n", config->p2p_oper_channel); 1083 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT) 1084 fprintf(f, "p2p_go_intent=%d\n", config->p2p_go_intent); 1085 if (config->p2p_ssid_postfix) 1086 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix); 1087 if (config->persistent_reconnect) 1088 fprintf(f, "persistent_reconnect=%d\n", 1089 config->persistent_reconnect); 1090 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS) 1091 fprintf(f, "p2p_intra_bss=%d\n", config->p2p_intra_bss); 1092 if (config->p2p_group_idle) 1093 fprintf(f, "p2p_group_idle=%d\n", config->p2p_group_idle); 1094 if (config->p2p_passphrase_len) 1095 fprintf(f, "p2p_passphrase_len=%u\n", 1096 config->p2p_passphrase_len); 1097 if (config->p2p_pref_chan) { 1098 unsigned int i; 1099 fprintf(f, "p2p_pref_chan="); 1100 for (i = 0; i < config->num_p2p_pref_chan; i++) { 1101 fprintf(f, "%s%u:%u", i > 0 ? "," : "", 1102 config->p2p_pref_chan[i].op_class, 1103 config->p2p_pref_chan[i].chan); 1104 } 1105 fprintf(f, "\n"); 1106 } 1107 if (config->p2p_no_go_freq.num) { 1108 char *val = freq_range_list_str(&config->p2p_no_go_freq); 1109 if (val) { 1110 fprintf(f, "p2p_no_go_freq=%s\n", val); 1111 os_free(val); 1112 } 1113 } 1114 if (config->p2p_add_cli_chan) 1115 fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan); 1116 if (config->p2p_optimize_listen_chan != 1117 DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN) 1118 fprintf(f, "p2p_optimize_listen_chan=%d\n", 1119 config->p2p_optimize_listen_chan); 1120 if (config->p2p_go_ht40) 1121 fprintf(f, "p2p_go_ht40=%d\n", config->p2p_go_ht40); 1122 if (config->p2p_go_vht) 1123 fprintf(f, "p2p_go_vht=%d\n", config->p2p_go_vht); 1124 if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW) 1125 fprintf(f, "p2p_go_ctwindow=%d\n", config->p2p_go_ctwindow); 1126 if (config->p2p_disabled) 1127 fprintf(f, "p2p_disabled=%d\n", config->p2p_disabled); 1128 if (config->p2p_no_group_iface) 1129 fprintf(f, "p2p_no_group_iface=%d\n", 1130 config->p2p_no_group_iface); 1131 if (config->p2p_ignore_shared_freq) 1132 fprintf(f, "p2p_ignore_shared_freq=%d\n", 1133 config->p2p_ignore_shared_freq); 1134 if (config->p2p_cli_probe) 1135 fprintf(f, "p2p_cli_probe=%d\n", config->p2p_cli_probe); 1136 if (config->p2p_go_freq_change_policy != DEFAULT_P2P_GO_FREQ_MOVE) 1137 fprintf(f, "p2p_go_freq_change_policy=%u\n", 1138 config->p2p_go_freq_change_policy); 1139 #endif /* CONFIG_P2P */ 1140 if (config->country[0] && config->country[1]) { 1141 fprintf(f, "country=%c%c\n", 1142 config->country[0], config->country[1]); 1143 } 1144 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT) 1145 fprintf(f, "bss_max_count=%u\n", config->bss_max_count); 1146 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE) 1147 fprintf(f, "bss_expiration_age=%u\n", 1148 config->bss_expiration_age); 1149 if (config->bss_expiration_scan_count != 1150 DEFAULT_BSS_EXPIRATION_SCAN_COUNT) 1151 fprintf(f, "bss_expiration_scan_count=%u\n", 1152 config->bss_expiration_scan_count); 1153 if (config->filter_ssids) 1154 fprintf(f, "filter_ssids=%d\n", config->filter_ssids); 1155 if (config->max_num_sta != DEFAULT_MAX_NUM_STA) 1156 fprintf(f, "max_num_sta=%u\n", config->max_num_sta); 1157 if (config->disassoc_low_ack) 1158 fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack); 1159 #ifdef CONFIG_HS20 1160 if (config->hs20) 1161 fprintf(f, "hs20=1\n"); 1162 #endif /* CONFIG_HS20 */ 1163 #ifdef CONFIG_INTERWORKING 1164 if (config->interworking) 1165 fprintf(f, "interworking=%d\n", config->interworking); 1166 if (!is_zero_ether_addr(config->hessid)) 1167 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid)); 1168 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE) 1169 fprintf(f, "access_network_type=%d\n", 1170 config->access_network_type); 1171 #endif /* CONFIG_INTERWORKING */ 1172 if (config->pbc_in_m1) 1173 fprintf(f, "pbc_in_m1=%d\n", config->pbc_in_m1); 1174 if (config->wps_nfc_pw_from_config) { 1175 if (config->wps_nfc_dev_pw_id) 1176 fprintf(f, "wps_nfc_dev_pw_id=%d\n", 1177 config->wps_nfc_dev_pw_id); 1178 write_global_bin(f, "wps_nfc_dh_pubkey", 1179 config->wps_nfc_dh_pubkey); 1180 write_global_bin(f, "wps_nfc_dh_privkey", 1181 config->wps_nfc_dh_privkey); 1182 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw); 1183 } 1184 1185 if (config->ext_password_backend) 1186 fprintf(f, "ext_password_backend=%s\n", 1187 config->ext_password_backend); 1188 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY) 1189 fprintf(f, "p2p_go_max_inactivity=%d\n", 1190 config->p2p_go_max_inactivity); 1191 if (config->auto_interworking) 1192 fprintf(f, "auto_interworking=%d\n", 1193 config->auto_interworking); 1194 if (config->okc) 1195 fprintf(f, "okc=%d\n", config->okc); 1196 if (config->pmf) 1197 fprintf(f, "pmf=%d\n", config->pmf); 1198 if (config->dtim_period) 1199 fprintf(f, "dtim_period=%d\n", config->dtim_period); 1200 if (config->beacon_int) 1201 fprintf(f, "beacon_int=%d\n", config->beacon_int); 1202 1203 if (config->sae_groups) { 1204 int i; 1205 fprintf(f, "sae_groups="); 1206 for (i = 0; config->sae_groups[i] >= 0; i++) { 1207 fprintf(f, "%s%d", i > 0 ? " " : "", 1208 config->sae_groups[i]); 1209 } 1210 fprintf(f, "\n"); 1211 } 1212 1213 if (config->ap_vendor_elements) { 1214 int i, len = wpabuf_len(config->ap_vendor_elements); 1215 const u8 *p = wpabuf_head_u8(config->ap_vendor_elements); 1216 if (len > 0) { 1217 fprintf(f, "ap_vendor_elements="); 1218 for (i = 0; i < len; i++) 1219 fprintf(f, "%02x", *p++); 1220 fprintf(f, "\n"); 1221 } 1222 } 1223 1224 if (config->ignore_old_scan_res) 1225 fprintf(f, "ignore_old_scan_res=%d\n", 1226 config->ignore_old_scan_res); 1227 1228 if (config->freq_list && config->freq_list[0]) { 1229 int i; 1230 fprintf(f, "freq_list="); 1231 for (i = 0; config->freq_list[i]; i++) { 1232 fprintf(f, "%s%d", i > 0 ? " " : "", 1233 config->freq_list[i]); 1234 } 1235 fprintf(f, "\n"); 1236 } 1237 if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ) 1238 fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq); 1239 1240 if (config->sched_scan_interval) 1241 fprintf(f, "sched_scan_interval=%u\n", 1242 config->sched_scan_interval); 1243 1244 if (config->external_sim) 1245 fprintf(f, "external_sim=%d\n", config->external_sim); 1246 1247 if (config->tdls_external_control) 1248 fprintf(f, "tdls_external_control=%d\n", 1249 config->tdls_external_control); 1250 1251 if (config->wowlan_triggers) 1252 fprintf(f, "wowlan_triggers=%s\n", 1253 config->wowlan_triggers); 1254 1255 if (config->bgscan) 1256 fprintf(f, "bgscan=\"%s\"\n", config->bgscan); 1257 1258 if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY) 1259 fprintf(f, "p2p_search_delay=%u\n", 1260 config->p2p_search_delay); 1261 1262 if (config->mac_addr) 1263 fprintf(f, "mac_addr=%d\n", config->mac_addr); 1264 1265 if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME) 1266 fprintf(f, "rand_addr_lifetime=%u\n", 1267 config->rand_addr_lifetime); 1268 1269 if (config->preassoc_mac_addr) 1270 fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr); 1271 1272 if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD) 1273 fprintf(f, "key_mgmt_offload=%d\n", config->key_mgmt_offload); 1274 1275 if (config->user_mpm != DEFAULT_USER_MPM) 1276 fprintf(f, "user_mpm=%d\n", config->user_mpm); 1277 1278 if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS) 1279 fprintf(f, "max_peer_links=%d\n", config->max_peer_links); 1280 1281 if (config->cert_in_cb != DEFAULT_CERT_IN_CB) 1282 fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb); 1283 1284 if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY) 1285 fprintf(f, "mesh_max_inactivity=%d\n", 1286 config->mesh_max_inactivity); 1287 1288 if (config->dot11RSNASAERetransPeriod != 1289 DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD) 1290 fprintf(f, "dot11RSNASAERetransPeriod=%d\n", 1291 config->dot11RSNASAERetransPeriod); 1292 1293 if (config->passive_scan) 1294 fprintf(f, "passive_scan=%d\n", config->passive_scan); 1295 1296 if (config->reassoc_same_bss_optim) 1297 fprintf(f, "reassoc_same_bss_optim=%d\n", 1298 config->reassoc_same_bss_optim); 1299 1300 if (config->wps_priority) 1301 fprintf(f, "wps_priority=%d\n", config->wps_priority); 1302 } 1303 1304 #endif /* CONFIG_NO_CONFIG_WRITE */ 1305 1306 1307 int wpa_config_write(const char *name, struct wpa_config *config) 1308 { 1309 #ifndef CONFIG_NO_CONFIG_WRITE 1310 FILE *f; 1311 struct wpa_ssid *ssid; 1312 struct wpa_cred *cred; 1313 #ifndef CONFIG_NO_CONFIG_BLOBS 1314 struct wpa_config_blob *blob; 1315 #endif /* CONFIG_NO_CONFIG_BLOBS */ 1316 int ret = 0; 1317 const char *orig_name = name; 1318 int tmp_len = os_strlen(name) + 5; /* allow space for .tmp suffix */ 1319 char *tmp_name = os_malloc(tmp_len); 1320 1321 if (tmp_name) { 1322 os_snprintf(tmp_name, tmp_len, "%s.tmp", name); 1323 name = tmp_name; 1324 } 1325 1326 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); 1327 1328 f = fopen(name, "w"); 1329 if (f == NULL) { 1330 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name); 1331 os_free(tmp_name); 1332 return -1; 1333 } 1334 1335 wpa_config_write_global(f, config); 1336 1337 for (cred = config->cred; cred; cred = cred->next) { 1338 if (cred->temporary) 1339 continue; 1340 fprintf(f, "\ncred={\n"); 1341 wpa_config_write_cred(f, cred); 1342 fprintf(f, "}\n"); 1343 } 1344 1345 for (ssid = config->ssid; ssid; ssid = ssid->next) { 1346 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary) 1347 continue; /* do not save temporary networks */ 1348 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && 1349 !ssid->passphrase) 1350 continue; /* do not save invalid network */ 1351 fprintf(f, "\nnetwork={\n"); 1352 wpa_config_write_network(f, ssid); 1353 fprintf(f, "}\n"); 1354 } 1355 1356 #ifndef CONFIG_NO_CONFIG_BLOBS 1357 for (blob = config->blobs; blob; blob = blob->next) { 1358 ret = wpa_config_write_blob(f, blob); 1359 if (ret) 1360 break; 1361 } 1362 #endif /* CONFIG_NO_CONFIG_BLOBS */ 1363 1364 os_fdatasync(f); 1365 1366 fclose(f); 1367 1368 if (tmp_name) { 1369 int chmod_ret = 0; 1370 1371 #ifdef ANDROID 1372 chmod_ret = chmod(tmp_name, 1373 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); 1374 #endif /* ANDROID */ 1375 if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0) 1376 ret = -1; 1377 1378 os_free(tmp_name); 1379 } 1380 1381 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully", 1382 orig_name, ret ? "un" : ""); 1383 return ret; 1384 #else /* CONFIG_NO_CONFIG_WRITE */ 1385 return -1; 1386 #endif /* CONFIG_NO_CONFIG_WRITE */ 1387 } 1388