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[thirdparty/hostap.git] / wpa_supplicant / config_file.c
1 /*
2 * WPA Supplicant / Configuration backend: text file
3 * Copyright (c) 2003-2019, 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 "common/ieee802_1x_defs.h"
23 #include "p2p/p2p.h"
24 #include "eap_peer/eap_methods.h"
25 #include "eap_peer/eap.h"
26
27
28 static int newline_terminated(const char *buf, size_t buflen)
29 {
30 size_t len = os_strlen(buf);
31 if (len == 0)
32 return 0;
33 if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
34 buf[len - 1] != '\n')
35 return 0;
36 return 1;
37 }
38
39
40 static void skip_line_end(FILE *stream)
41 {
42 char buf[100];
43 while (fgets(buf, sizeof(buf), stream)) {
44 buf[sizeof(buf) - 1] = '\0';
45 if (newline_terminated(buf, sizeof(buf)))
46 return;
47 }
48 }
49
50
51 /**
52 * wpa_config_get_line - Read the next configuration file line
53 * @s: Buffer for the line
54 * @size: The buffer length
55 * @stream: File stream to read from
56 * @line: Pointer to a variable storing the file line number
57 * @_pos: Buffer for the pointer to the beginning of data on the text line or
58 * %NULL if not needed (returned value used instead)
59 * Returns: Pointer to the beginning of data on the text line or %NULL if no
60 * more text lines are available.
61 *
62 * This function reads the next non-empty line from the configuration file and
63 * removes comments. The returned string is guaranteed to be null-terminated.
64 */
65 static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
66 char **_pos)
67 {
68 char *pos, *end, *sstart;
69
70 while (fgets(s, size, stream)) {
71 (*line)++;
72 s[size - 1] = '\0';
73 if (!newline_terminated(s, size)) {
74 /*
75 * The line was truncated - skip rest of it to avoid
76 * confusing error messages.
77 */
78 wpa_printf(MSG_INFO, "Long line in configuration file "
79 "truncated");
80 skip_line_end(stream);
81 }
82 pos = s;
83
84 /* Skip white space from the beginning of line. */
85 while (*pos == ' ' || *pos == '\t' || *pos == '\r')
86 pos++;
87
88 /* Skip comment lines and empty lines */
89 if (*pos == '#' || *pos == '\n' || *pos == '\0')
90 continue;
91
92 /*
93 * Remove # comments unless they are within a double quoted
94 * string.
95 */
96 sstart = os_strchr(pos, '"');
97 if (sstart)
98 sstart = os_strrchr(sstart + 1, '"');
99 if (!sstart)
100 sstart = pos;
101 end = os_strchr(sstart, '#');
102 if (end)
103 *end-- = '\0';
104 else
105 end = pos + os_strlen(pos) - 1;
106
107 /* Remove trailing white space. */
108 while (end > pos &&
109 (*end == '\n' || *end == ' ' || *end == '\t' ||
110 *end == '\r'))
111 *end-- = '\0';
112
113 if (*pos == '\0')
114 continue;
115
116 if (_pos)
117 *_pos = pos;
118 return pos;
119 }
120
121 if (_pos)
122 *_pos = NULL;
123 return NULL;
124 }
125
126
127 static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
128 {
129 int errors = 0;
130
131 if (ssid->passphrase) {
132 if (ssid->psk_set) {
133 wpa_printf(MSG_ERROR, "Line %d: both PSK and "
134 "passphrase configured.", line);
135 errors++;
136 }
137 wpa_config_update_psk(ssid);
138 }
139
140 if (ssid->disabled == 2)
141 ssid->p2p_persistent_group = 1;
142
143 if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
144 !(ssid->pairwise_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_CCMP_256 |
145 WPA_CIPHER_GCMP | WPA_CIPHER_GCMP_256 |
146 WPA_CIPHER_NONE))) {
147 /* Group cipher cannot be stronger than the pairwise cipher. */
148 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
149 " list since it was not allowed for pairwise "
150 "cipher", line);
151 ssid->group_cipher &= ~WPA_CIPHER_CCMP;
152 }
153
154 if (ssid->mode == WPAS_MODE_MESH &&
155 (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
156 ssid->key_mgmt != WPA_KEY_MGMT_SAE)) {
157 wpa_printf(MSG_ERROR,
158 "Line %d: key_mgmt for mesh network should be open or SAE",
159 line);
160 errors++;
161 }
162
163 #ifdef CONFIG_OCV
164 if (ssid->ocv && ssid->ieee80211w == NO_MGMT_FRAME_PROTECTION) {
165 wpa_printf(MSG_ERROR,
166 "Line %d: PMF needs to be enabled whenever using OCV",
167 line);
168 errors++;
169 }
170 #endif /* CONFIG_OCV */
171
172 return errors;
173 }
174
175
176 static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
177 {
178 struct wpa_ssid *ssid;
179 int errors = 0, end = 0;
180 char buf[2000], *pos, *pos2;
181
182 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
183 *line);
184 ssid = os_zalloc(sizeof(*ssid));
185 if (ssid == NULL)
186 return NULL;
187 dl_list_init(&ssid->psk_list);
188 ssid->id = id;
189
190 wpa_config_set_network_defaults(ssid);
191
192 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
193 if (os_strcmp(pos, "}") == 0) {
194 end = 1;
195 break;
196 }
197
198 pos2 = os_strchr(pos, '=');
199 if (pos2 == NULL) {
200 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
201 "'%s'.", *line, pos);
202 errors++;
203 continue;
204 }
205
206 *pos2++ = '\0';
207 if (*pos2 == '"') {
208 if (os_strchr(pos2 + 1, '"') == NULL) {
209 wpa_printf(MSG_ERROR, "Line %d: invalid "
210 "quotation '%s'.", *line, pos2);
211 errors++;
212 continue;
213 }
214 }
215
216 if (wpa_config_set(ssid, pos, pos2, *line) < 0)
217 errors++;
218 }
219
220 if (!end) {
221 wpa_printf(MSG_ERROR, "Line %d: network block was not "
222 "terminated properly.", *line);
223 errors++;
224 }
225
226 errors += wpa_config_validate_network(ssid, *line);
227
228 if (errors) {
229 wpa_config_free_ssid(ssid);
230 ssid = NULL;
231 }
232
233 return ssid;
234 }
235
236
237 static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
238 {
239 struct wpa_cred *cred;
240 int errors = 0, end = 0;
241 char buf[256], *pos, *pos2;
242
243 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
244 cred = os_zalloc(sizeof(*cred));
245 if (cred == NULL)
246 return NULL;
247 cred->id = id;
248 cred->sim_num = DEFAULT_USER_SELECTED_SIM;
249
250 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
251 if (os_strcmp(pos, "}") == 0) {
252 end = 1;
253 break;
254 }
255
256 pos2 = os_strchr(pos, '=');
257 if (pos2 == NULL) {
258 wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
259 "'%s'.", *line, pos);
260 errors++;
261 continue;
262 }
263
264 *pos2++ = '\0';
265 if (*pos2 == '"') {
266 if (os_strchr(pos2 + 1, '"') == NULL) {
267 wpa_printf(MSG_ERROR, "Line %d: invalid "
268 "quotation '%s'.", *line, pos2);
269 errors++;
270 continue;
271 }
272 }
273
274 if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
275 errors++;
276 }
277
278 if (!end) {
279 wpa_printf(MSG_ERROR, "Line %d: cred block was not "
280 "terminated properly.", *line);
281 errors++;
282 }
283
284 if (errors) {
285 wpa_config_free_cred(cred);
286 cred = NULL;
287 }
288
289 return cred;
290 }
291
292
293 #ifndef CONFIG_NO_CONFIG_BLOBS
294 static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
295 const char *name)
296 {
297 struct wpa_config_blob *blob;
298 char buf[256], *pos;
299 char *encoded = NULL, *nencoded;
300 int end = 0;
301 size_t encoded_len = 0, len;
302
303 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
304 *line, name);
305
306 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
307 if (os_strcmp(pos, "}") == 0) {
308 end = 1;
309 break;
310 }
311
312 len = os_strlen(pos);
313 nencoded = os_realloc(encoded, encoded_len + len);
314 if (nencoded == NULL) {
315 wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
316 "blob", *line);
317 os_free(encoded);
318 return NULL;
319 }
320 encoded = nencoded;
321 os_memcpy(encoded + encoded_len, pos, len);
322 encoded_len += len;
323 }
324
325 if (!end || !encoded) {
326 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
327 "properly", *line);
328 os_free(encoded);
329 return NULL;
330 }
331
332 blob = os_zalloc(sizeof(*blob));
333 if (blob == NULL) {
334 os_free(encoded);
335 return NULL;
336 }
337 blob->name = os_strdup(name);
338 blob->data = base64_decode(encoded, encoded_len, &blob->len);
339 os_free(encoded);
340
341 if (blob->name == NULL || blob->data == NULL) {
342 wpa_config_free_blob(blob);
343 return NULL;
344 }
345
346 return blob;
347 }
348
349
350 static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
351 int *line, char *bname)
352 {
353 char *name_end;
354 struct wpa_config_blob *blob;
355
356 name_end = os_strchr(bname, '=');
357 if (name_end == NULL) {
358 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
359 *line);
360 return -1;
361 }
362 *name_end = '\0';
363
364 blob = wpa_config_read_blob(f, line, bname);
365 if (blob == NULL) {
366 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
367 *line, bname);
368 return -1;
369 }
370 wpa_config_set_blob(config, blob);
371 return 0;
372 }
373 #endif /* CONFIG_NO_CONFIG_BLOBS */
374
375
376 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp)
377 {
378 FILE *f;
379 char buf[512], *pos;
380 int errors = 0, line = 0;
381 struct wpa_ssid *ssid, *tail, *head;
382 struct wpa_cred *cred, *cred_tail, *cred_head;
383 struct wpa_config *config;
384 int id = 0;
385 int cred_id = 0;
386
387 if (name == NULL)
388 return NULL;
389 if (cfgp)
390 config = cfgp;
391 else
392 config = wpa_config_alloc_empty(NULL, NULL);
393 if (config == NULL) {
394 wpa_printf(MSG_ERROR, "Failed to allocate config file "
395 "structure");
396 return NULL;
397 }
398 tail = head = config->ssid;
399 while (tail && tail->next)
400 tail = tail->next;
401 cred_tail = cred_head = config->cred;
402 while (cred_tail && cred_tail->next)
403 cred_tail = cred_tail->next;
404
405 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
406 f = fopen(name, "r");
407 if (f == NULL) {
408 wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
409 "error: %s", name, strerror(errno));
410 if (config != cfgp)
411 os_free(config);
412 return NULL;
413 }
414
415 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
416 if (os_strcmp(pos, "network={") == 0) {
417 ssid = wpa_config_read_network(f, &line, id++);
418 if (ssid == NULL) {
419 wpa_printf(MSG_ERROR, "Line %d: failed to "
420 "parse network block.", line);
421 errors++;
422 continue;
423 }
424 if (head == NULL) {
425 head = tail = ssid;
426 } else {
427 tail->next = ssid;
428 tail = ssid;
429 }
430 if (wpa_config_add_prio_network(config, ssid)) {
431 wpa_printf(MSG_ERROR, "Line %d: failed to add "
432 "network block to priority list.",
433 line);
434 errors++;
435 continue;
436 }
437 } else if (os_strcmp(pos, "cred={") == 0) {
438 cred = wpa_config_read_cred(f, &line, cred_id++);
439 if (cred == NULL) {
440 wpa_printf(MSG_ERROR, "Line %d: failed to "
441 "parse cred block.", line);
442 errors++;
443 continue;
444 }
445 if (cred_head == NULL) {
446 cred_head = cred_tail = cred;
447 } else {
448 cred_tail->next = cred;
449 cred_tail = cred;
450 }
451 #ifndef CONFIG_NO_CONFIG_BLOBS
452 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
453 if (wpa_config_process_blob(config, f, &line, pos + 12)
454 < 0) {
455 wpa_printf(MSG_ERROR, "Line %d: failed to "
456 "process blob.", line);
457 errors++;
458 continue;
459 }
460 #endif /* CONFIG_NO_CONFIG_BLOBS */
461 } else if (wpa_config_process_global(config, pos, line) < 0) {
462 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
463 "line '%s'.", line, pos);
464 errors++;
465 continue;
466 }
467 }
468
469 fclose(f);
470
471 config->ssid = head;
472 wpa_config_debug_dump_networks(config);
473 config->cred = cred_head;
474
475 #ifndef WPA_IGNORE_CONFIG_ERRORS
476 if (errors) {
477 if (config != cfgp)
478 wpa_config_free(config);
479 config = NULL;
480 head = NULL;
481 }
482 #endif /* WPA_IGNORE_CONFIG_ERRORS */
483
484 return config;
485 }
486
487
488 #ifndef CONFIG_NO_CONFIG_WRITE
489
490 static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
491 {
492 char *value = wpa_config_get(ssid, field);
493 if (value == NULL)
494 return;
495 fprintf(f, "\t%s=%s\n", field, value);
496 str_clear_free(value);
497 }
498
499
500 static void write_int(FILE *f, const char *field, int value, int def)
501 {
502 if (value == def)
503 return;
504 fprintf(f, "\t%s=%d\n", field, value);
505 }
506
507
508 static void write_bssid(FILE *f, struct wpa_ssid *ssid)
509 {
510 char *value = wpa_config_get(ssid, "bssid");
511 if (value == NULL)
512 return;
513 fprintf(f, "\tbssid=%s\n", value);
514 os_free(value);
515 }
516
517
518 static void write_bssid_hint(FILE *f, struct wpa_ssid *ssid)
519 {
520 char *value = wpa_config_get(ssid, "bssid_hint");
521
522 if (!value)
523 return;
524 fprintf(f, "\tbssid_hint=%s\n", value);
525 os_free(value);
526 }
527
528
529 static void write_psk(FILE *f, struct wpa_ssid *ssid)
530 {
531 char *value;
532
533 if (ssid->mem_only_psk)
534 return;
535
536 value = wpa_config_get(ssid, "psk");
537 if (value == NULL)
538 return;
539 fprintf(f, "\tpsk=%s\n", value);
540 os_free(value);
541 }
542
543
544 static void write_proto(FILE *f, struct wpa_ssid *ssid)
545 {
546 char *value;
547
548 if (ssid->proto == DEFAULT_PROTO)
549 return;
550
551 value = wpa_config_get(ssid, "proto");
552 if (value == NULL)
553 return;
554 if (value[0])
555 fprintf(f, "\tproto=%s\n", value);
556 os_free(value);
557 }
558
559
560 static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
561 {
562 char *value;
563
564 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
565 return;
566
567 value = wpa_config_get(ssid, "key_mgmt");
568 if (value == NULL)
569 return;
570 if (value[0])
571 fprintf(f, "\tkey_mgmt=%s\n", value);
572 os_free(value);
573 }
574
575
576 static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
577 {
578 char *value;
579
580 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
581 return;
582
583 value = wpa_config_get(ssid, "pairwise");
584 if (value == NULL)
585 return;
586 if (value[0])
587 fprintf(f, "\tpairwise=%s\n", value);
588 os_free(value);
589 }
590
591
592 static void write_group(FILE *f, struct wpa_ssid *ssid)
593 {
594 char *value;
595
596 if (ssid->group_cipher == DEFAULT_GROUP)
597 return;
598
599 value = wpa_config_get(ssid, "group");
600 if (value == NULL)
601 return;
602 if (value[0])
603 fprintf(f, "\tgroup=%s\n", value);
604 os_free(value);
605 }
606
607
608 static void write_group_mgmt(FILE *f, struct wpa_ssid *ssid)
609 {
610 char *value;
611
612 if (!ssid->group_mgmt_cipher)
613 return;
614
615 value = wpa_config_get(ssid, "group_mgmt");
616 if (!value)
617 return;
618 if (value[0])
619 fprintf(f, "\tgroup_mgmt=%s\n", value);
620 os_free(value);
621 }
622
623
624 static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
625 {
626 char *value;
627
628 if (ssid->auth_alg == 0)
629 return;
630
631 value = wpa_config_get(ssid, "auth_alg");
632 if (value == NULL)
633 return;
634 if (value[0])
635 fprintf(f, "\tauth_alg=%s\n", value);
636 os_free(value);
637 }
638
639
640 #ifdef IEEE8021X_EAPOL
641 static void write_eap(FILE *f, struct wpa_ssid *ssid)
642 {
643 char *value;
644
645 value = wpa_config_get(ssid, "eap");
646 if (value == NULL)
647 return;
648
649 if (value[0])
650 fprintf(f, "\teap=%s\n", value);
651 os_free(value);
652 }
653 #endif /* IEEE8021X_EAPOL */
654
655
656 static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
657 {
658 char field[20], *value;
659 int res;
660
661 res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
662 if (os_snprintf_error(sizeof(field), res))
663 return;
664 value = wpa_config_get(ssid, field);
665 if (value) {
666 fprintf(f, "\t%s=%s\n", field, value);
667 os_free(value);
668 }
669 }
670
671
672 #ifdef CONFIG_P2P
673
674 static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
675 {
676 char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
677 if (value == NULL)
678 return;
679 fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
680 os_free(value);
681 }
682
683 static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
684 {
685 char *value = wpa_config_get(ssid, "p2p_client_list");
686 if (value == NULL)
687 return;
688 fprintf(f, "\tp2p_client_list=%s\n", value);
689 os_free(value);
690 }
691
692
693 static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
694 {
695 struct psk_list_entry *psk;
696 char hex[32 * 2 + 1];
697
698 dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
699 wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
700 fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
701 psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
702 }
703 }
704
705 #endif /* CONFIG_P2P */
706
707
708 #ifdef CONFIG_MACSEC
709
710 static void write_mka_cak(FILE *f, struct wpa_ssid *ssid)
711 {
712 char *value;
713
714 if (!(ssid->mka_psk_set & MKA_PSK_SET_CAK))
715 return;
716
717 value = wpa_config_get(ssid, "mka_cak");
718 if (!value)
719 return;
720 fprintf(f, "\tmka_cak=%s\n", value);
721 os_free(value);
722 }
723
724
725 static void write_mka_ckn(FILE *f, struct wpa_ssid *ssid)
726 {
727 char *value;
728
729 if (!(ssid->mka_psk_set & MKA_PSK_SET_CKN))
730 return;
731
732 value = wpa_config_get(ssid, "mka_ckn");
733 if (!value)
734 return;
735 fprintf(f, "\tmka_ckn=%s\n", value);
736 os_free(value);
737 }
738
739 #endif /* CONFIG_MACSEC */
740
741
742 static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
743 {
744 int i;
745
746 #define STR(t) write_str(f, #t, ssid)
747 #define INT(t) write_int(f, #t, ssid->t, 0)
748 #define INTe(t, m) write_int(f, #t, ssid->eap.m, 0)
749 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
750 #define INT_DEFe(t, m, def) write_int(f, #t, ssid->eap.m, def)
751
752 STR(ssid);
753 INT(scan_ssid);
754 write_bssid(f, ssid);
755 write_bssid_hint(f, ssid);
756 write_str(f, "bssid_blacklist", ssid);
757 write_str(f, "bssid_whitelist", ssid);
758 write_psk(f, ssid);
759 INT(mem_only_psk);
760 STR(sae_password);
761 STR(sae_password_id);
762 write_proto(f, ssid);
763 write_key_mgmt(f, ssid);
764 INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
765 write_pairwise(f, ssid);
766 write_group(f, ssid);
767 write_group_mgmt(f, ssid);
768 write_auth_alg(f, ssid);
769 STR(bgscan);
770 STR(autoscan);
771 STR(scan_freq);
772 #ifdef IEEE8021X_EAPOL
773 write_eap(f, ssid);
774 STR(identity);
775 STR(anonymous_identity);
776 STR(imsi_identity);
777 STR(machine_identity);
778 STR(password);
779 STR(machine_password);
780 STR(ca_cert);
781 STR(ca_path);
782 STR(client_cert);
783 STR(private_key);
784 STR(private_key_passwd);
785 STR(dh_file);
786 STR(subject_match);
787 STR(check_cert_subject);
788 STR(altsubject_match);
789 STR(domain_suffix_match);
790 STR(domain_match);
791 STR(ca_cert2);
792 STR(ca_path2);
793 STR(client_cert2);
794 STR(private_key2);
795 STR(private_key2_passwd);
796 STR(dh_file2);
797 STR(subject_match2);
798 STR(check_cert_subject2);
799 STR(altsubject_match2);
800 STR(domain_suffix_match2);
801 STR(domain_match2);
802 STR(machine_ca_cert);
803 STR(machine_ca_path);
804 STR(machine_client_cert);
805 STR(machine_private_key);
806 STR(machine_private_key_passwd);
807 STR(machine_dh_file);
808 STR(machine_subject_match);
809 STR(machine_check_cert_subject);
810 STR(machine_altsubject_match);
811 STR(machine_domain_suffix_match);
812 STR(machine_domain_match);
813 STR(phase1);
814 STR(phase2);
815 STR(machine_phase2);
816 STR(pcsc);
817 STR(pin);
818 STR(engine_id);
819 STR(key_id);
820 STR(cert_id);
821 STR(ca_cert_id);
822 STR(key2_id);
823 STR(pin2);
824 STR(engine2_id);
825 STR(cert2_id);
826 STR(ca_cert2_id);
827 INTe(engine, cert.engine);
828 INTe(engine2, phase2_cert.engine);
829 INTe(machine_engine, machine_cert.engine);
830 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
831 STR(openssl_ciphers);
832 INTe(erp, erp);
833 #endif /* IEEE8021X_EAPOL */
834 for (i = 0; i < 4; i++)
835 write_wep_key(f, i, ssid);
836 INT(wep_tx_keyidx);
837 INT(priority);
838 #ifdef IEEE8021X_EAPOL
839 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
840 STR(pac_file);
841 INT_DEFe(fragment_size, fragment_size, DEFAULT_FRAGMENT_SIZE);
842 INTe(ocsp, cert.ocsp);
843 INTe(ocsp2, phase2_cert.ocsp);
844 INTe(machine_ocsp, machine_cert.ocsp);
845 INT_DEFe(sim_num, sim_num, DEFAULT_USER_SELECTED_SIM);
846 #endif /* IEEE8021X_EAPOL */
847 INT(mode);
848 INT(no_auto_peer);
849 INT(frequency);
850 INT(enable_edmg);
851 INT(edmg_channel);
852 INT(fixed_freq);
853 #ifdef CONFIG_ACS
854 INT(acs);
855 #endif /* CONFIG_ACS */
856 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
857 INT(disabled);
858 INT(mixed_cell);
859 INT(vht);
860 INT_DEF(ht, 1);
861 INT(ht40);
862 INT_DEF(max_oper_chwidth, DEFAULT_MAX_OPER_CHWIDTH);
863 INT(vht_center_freq1);
864 INT(vht_center_freq2);
865 INT(pbss);
866 INT(wps_disabled);
867 INT(fils_dh_group);
868 write_int(f, "ieee80211w", ssid->ieee80211w,
869 MGMT_FRAME_PROTECTION_DEFAULT);
870 STR(id_str);
871 #ifdef CONFIG_P2P
872 write_go_p2p_dev_addr(f, ssid);
873 write_p2p_client_list(f, ssid);
874 write_psk_list(f, ssid);
875 #endif /* CONFIG_P2P */
876 INT(ap_max_inactivity);
877 INT(dtim_period);
878 INT(beacon_int);
879 #ifdef CONFIG_MACSEC
880 INT(macsec_policy);
881 write_mka_cak(f, ssid);
882 write_mka_ckn(f, ssid);
883 INT(macsec_integ_only);
884 INT(macsec_replay_protect);
885 INT(macsec_replay_window);
886 INT(macsec_port);
887 INT_DEF(mka_priority, DEFAULT_PRIO_NOT_KEY_SERVER);
888 #endif /* CONFIG_MACSEC */
889 #ifdef CONFIG_HS20
890 INT(update_identifier);
891 STR(roaming_consortium_selection);
892 #endif /* CONFIG_HS20 */
893 write_int(f, "mac_addr", ssid->mac_addr, -1);
894 #ifdef CONFIG_MESH
895 STR(mesh_basic_rates);
896 INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES);
897 INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT);
898 INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT);
899 INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT);
900 INT_DEF(mesh_rssi_threshold, DEFAULT_MESH_RSSI_THRESHOLD);
901 #endif /* CONFIG_MESH */
902 INT(wpa_ptk_rekey);
903 INT(group_rekey);
904 INT(ignore_broadcast_ssid);
905 #ifdef CONFIG_DPP
906 STR(dpp_connector);
907 STR(dpp_netaccesskey);
908 INT(dpp_netaccesskey_expiry);
909 STR(dpp_csign);
910 #endif /* CONFIG_DPP */
911 INT(owe_group);
912 INT(owe_only);
913 INT(owe_ptk_workaround);
914 INT(multi_ap_backhaul_sta);
915 INT(ft_eap_pmksa_caching);
916 #ifdef CONFIG_HT_OVERRIDES
917 INT_DEF(disable_ht, DEFAULT_DISABLE_HT);
918 INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40);
919 INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI);
920 INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC);
921 INT(ht40_intolerant);
922 INT_DEF(tx_stbc, DEFAULT_TX_STBC);
923 INT_DEF(rx_stbc, DEFAULT_RX_STBC);
924 INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU);
925 INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR);
926 INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY);
927 STR(ht_mcs);
928 #endif /* CONFIG_HT_OVERRIDES */
929 #ifdef CONFIG_VHT_OVERRIDES
930 INT(disable_vht);
931 INT(vht_capa);
932 INT(vht_capa_mask);
933 INT_DEF(vht_rx_mcs_nss_1, -1);
934 INT_DEF(vht_rx_mcs_nss_2, -1);
935 INT_DEF(vht_rx_mcs_nss_3, -1);
936 INT_DEF(vht_rx_mcs_nss_4, -1);
937 INT_DEF(vht_rx_mcs_nss_5, -1);
938 INT_DEF(vht_rx_mcs_nss_6, -1);
939 INT_DEF(vht_rx_mcs_nss_7, -1);
940 INT_DEF(vht_rx_mcs_nss_8, -1);
941 INT_DEF(vht_tx_mcs_nss_1, -1);
942 INT_DEF(vht_tx_mcs_nss_2, -1);
943 INT_DEF(vht_tx_mcs_nss_3, -1);
944 INT_DEF(vht_tx_mcs_nss_4, -1);
945 INT_DEF(vht_tx_mcs_nss_5, -1);
946 INT_DEF(vht_tx_mcs_nss_6, -1);
947 INT_DEF(vht_tx_mcs_nss_7, -1);
948 INT_DEF(vht_tx_mcs_nss_8, -1);
949 #endif /* CONFIG_VHT_OVERRIDES */
950
951 #undef STR
952 #undef INT
953 #undef INT_DEF
954 }
955
956
957 static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
958 {
959 size_t i;
960
961 if (cred->priority)
962 fprintf(f, "\tpriority=%d\n", cred->priority);
963 if (cred->pcsc)
964 fprintf(f, "\tpcsc=%d\n", cred->pcsc);
965 if (cred->realm)
966 fprintf(f, "\trealm=\"%s\"\n", cred->realm);
967 if (cred->username)
968 fprintf(f, "\tusername=\"%s\"\n", cred->username);
969 if (cred->password && cred->ext_password)
970 fprintf(f, "\tpassword=ext:%s\n", cred->password);
971 else if (cred->password)
972 fprintf(f, "\tpassword=\"%s\"\n", cred->password);
973 if (cred->ca_cert)
974 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
975 if (cred->client_cert)
976 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
977 if (cred->private_key)
978 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
979 if (cred->private_key_passwd)
980 fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
981 cred->private_key_passwd);
982 if (cred->imsi)
983 fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
984 if (cred->milenage)
985 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
986 for (i = 0; i < cred->num_domain; i++)
987 fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
988 if (cred->domain_suffix_match)
989 fprintf(f, "\tdomain_suffix_match=\"%s\"\n",
990 cred->domain_suffix_match);
991 if (cred->roaming_consortium_len) {
992 fprintf(f, "\troaming_consortium=");
993 for (i = 0; i < cred->roaming_consortium_len; i++)
994 fprintf(f, "%02x", cred->roaming_consortium[i]);
995 fprintf(f, "\n");
996 }
997 if (cred->eap_method) {
998 const char *name;
999 name = eap_get_name(cred->eap_method[0].vendor,
1000 cred->eap_method[0].method);
1001 if (name)
1002 fprintf(f, "\teap=%s\n", name);
1003 }
1004 if (cred->phase1)
1005 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
1006 if (cred->phase2)
1007 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
1008 if (cred->excluded_ssid) {
1009 size_t j;
1010 for (i = 0; i < cred->num_excluded_ssid; i++) {
1011 struct excluded_ssid *e = &cred->excluded_ssid[i];
1012 fprintf(f, "\texcluded_ssid=");
1013 for (j = 0; j < e->ssid_len; j++)
1014 fprintf(f, "%02x", e->ssid[j]);
1015 fprintf(f, "\n");
1016 }
1017 }
1018 if (cred->roaming_partner) {
1019 for (i = 0; i < cred->num_roaming_partner; i++) {
1020 struct roaming_partner *p = &cred->roaming_partner[i];
1021 fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n",
1022 p->fqdn, p->exact_match, p->priority,
1023 p->country);
1024 }
1025 }
1026 if (cred->update_identifier)
1027 fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
1028
1029 if (cred->provisioning_sp)
1030 fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
1031 if (cred->sp_priority)
1032 fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
1033
1034 if (cred->min_dl_bandwidth_home)
1035 fprintf(f, "\tmin_dl_bandwidth_home=%u\n",
1036 cred->min_dl_bandwidth_home);
1037 if (cred->min_ul_bandwidth_home)
1038 fprintf(f, "\tmin_ul_bandwidth_home=%u\n",
1039 cred->min_ul_bandwidth_home);
1040 if (cred->min_dl_bandwidth_roaming)
1041 fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n",
1042 cred->min_dl_bandwidth_roaming);
1043 if (cred->min_ul_bandwidth_roaming)
1044 fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n",
1045 cred->min_ul_bandwidth_roaming);
1046
1047 if (cred->max_bss_load)
1048 fprintf(f, "\tmax_bss_load=%u\n",
1049 cred->max_bss_load);
1050
1051 if (cred->ocsp)
1052 fprintf(f, "\tocsp=%d\n", cred->ocsp);
1053
1054 if (cred->num_req_conn_capab) {
1055 for (i = 0; i < cred->num_req_conn_capab; i++) {
1056 int *ports;
1057
1058 fprintf(f, "\treq_conn_capab=%u",
1059 cred->req_conn_capab_proto[i]);
1060 ports = cred->req_conn_capab_port[i];
1061 if (ports) {
1062 int j;
1063 for (j = 0; ports[j] != -1; j++) {
1064 fprintf(f, "%s%d", j > 0 ? "," : ":",
1065 ports[j]);
1066 }
1067 }
1068 fprintf(f, "\n");
1069 }
1070 }
1071
1072 if (cred->required_roaming_consortium_len) {
1073 fprintf(f, "\trequired_roaming_consortium=");
1074 for (i = 0; i < cred->required_roaming_consortium_len; i++)
1075 fprintf(f, "%02x",
1076 cred->required_roaming_consortium[i]);
1077 fprintf(f, "\n");
1078 }
1079
1080 if (cred->num_roaming_consortiums) {
1081 size_t j;
1082
1083 fprintf(f, "\troaming_consortiums=\"");
1084 for (i = 0; i < cred->num_roaming_consortiums; i++) {
1085 if (i > 0)
1086 fprintf(f, ",");
1087 for (j = 0; j < cred->roaming_consortiums_len[i]; j++)
1088 fprintf(f, "%02x",
1089 cred->roaming_consortiums[i][j]);
1090 }
1091 fprintf(f, "\"\n");
1092 }
1093
1094 if (cred->sim_num != DEFAULT_USER_SELECTED_SIM)
1095 fprintf(f, "\tsim_num=%d\n", cred->sim_num);
1096 }
1097
1098
1099 #ifndef CONFIG_NO_CONFIG_BLOBS
1100 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
1101 {
1102 char *encoded;
1103
1104 encoded = base64_encode(blob->data, blob->len, NULL);
1105 if (encoded == NULL)
1106 return -1;
1107
1108 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
1109 os_free(encoded);
1110 return 0;
1111 }
1112 #endif /* CONFIG_NO_CONFIG_BLOBS */
1113
1114
1115 static void write_global_bin(FILE *f, const char *field,
1116 const struct wpabuf *val)
1117 {
1118 size_t i;
1119 const u8 *pos;
1120
1121 if (val == NULL)
1122 return;
1123
1124 fprintf(f, "%s=", field);
1125 pos = wpabuf_head(val);
1126 for (i = 0; i < wpabuf_len(val); i++)
1127 fprintf(f, "%02X", *pos++);
1128 fprintf(f, "\n");
1129 }
1130
1131
1132 static void wpa_config_write_global(FILE *f, struct wpa_config *config)
1133 {
1134 #ifdef CONFIG_CTRL_IFACE
1135 if (config->ctrl_interface)
1136 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
1137 if (config->ctrl_interface_group)
1138 fprintf(f, "ctrl_interface_group=%s\n",
1139 config->ctrl_interface_group);
1140 #endif /* CONFIG_CTRL_IFACE */
1141 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
1142 fprintf(f, "eapol_version=%d\n", config->eapol_version);
1143 if (config->ap_scan != DEFAULT_AP_SCAN)
1144 fprintf(f, "ap_scan=%d\n", config->ap_scan);
1145 if (config->disable_scan_offload)
1146 fprintf(f, "disable_scan_offload=%d\n",
1147 config->disable_scan_offload);
1148 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
1149 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
1150 if (config->opensc_engine_path)
1151 fprintf(f, "opensc_engine_path=%s\n",
1152 config->opensc_engine_path);
1153 if (config->pkcs11_engine_path)
1154 fprintf(f, "pkcs11_engine_path=%s\n",
1155 config->pkcs11_engine_path);
1156 if (config->pkcs11_module_path)
1157 fprintf(f, "pkcs11_module_path=%s\n",
1158 config->pkcs11_module_path);
1159 if (config->openssl_ciphers)
1160 fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers);
1161 if (config->pcsc_reader)
1162 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
1163 if (config->pcsc_pin)
1164 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
1165 if (config->driver_param)
1166 fprintf(f, "driver_param=%s\n", config->driver_param);
1167 if (config->dot11RSNAConfigPMKLifetime)
1168 fprintf(f, "dot11RSNAConfigPMKLifetime=%u\n",
1169 config->dot11RSNAConfigPMKLifetime);
1170 if (config->dot11RSNAConfigPMKReauthThreshold)
1171 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%u\n",
1172 config->dot11RSNAConfigPMKReauthThreshold);
1173 if (config->dot11RSNAConfigSATimeout)
1174 fprintf(f, "dot11RSNAConfigSATimeout=%u\n",
1175 config->dot11RSNAConfigSATimeout);
1176 if (config->update_config)
1177 fprintf(f, "update_config=%d\n", config->update_config);
1178 #ifdef CONFIG_WPS
1179 if (!is_nil_uuid(config->uuid)) {
1180 char buf[40];
1181 uuid_bin2str(config->uuid, buf, sizeof(buf));
1182 fprintf(f, "uuid=%s\n", buf);
1183 }
1184 if (config->auto_uuid)
1185 fprintf(f, "auto_uuid=%d\n", config->auto_uuid);
1186 if (config->device_name)
1187 fprintf(f, "device_name=%s\n", config->device_name);
1188 if (config->manufacturer)
1189 fprintf(f, "manufacturer=%s\n", config->manufacturer);
1190 if (config->model_name)
1191 fprintf(f, "model_name=%s\n", config->model_name);
1192 if (config->model_number)
1193 fprintf(f, "model_number=%s\n", config->model_number);
1194 if (config->serial_number)
1195 fprintf(f, "serial_number=%s\n", config->serial_number);
1196 {
1197 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1198 buf = wps_dev_type_bin2str(config->device_type,
1199 _buf, sizeof(_buf));
1200 if (os_strcmp(buf, "0-00000000-0") != 0)
1201 fprintf(f, "device_type=%s\n", buf);
1202 }
1203 if (WPA_GET_BE32(config->os_version))
1204 fprintf(f, "os_version=%08x\n",
1205 WPA_GET_BE32(config->os_version));
1206 if (config->config_methods)
1207 fprintf(f, "config_methods=%s\n", config->config_methods);
1208 if (config->wps_cred_processing)
1209 fprintf(f, "wps_cred_processing=%d\n",
1210 config->wps_cred_processing);
1211 if (config->wps_cred_add_sae)
1212 fprintf(f, "wps_cred_add_sae=%d\n",
1213 config->wps_cred_add_sae);
1214 if (config->wps_vendor_ext_m1) {
1215 int i, len = wpabuf_len(config->wps_vendor_ext_m1);
1216 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
1217 if (len > 0) {
1218 fprintf(f, "wps_vendor_ext_m1=");
1219 for (i = 0; i < len; i++)
1220 fprintf(f, "%02x", *p++);
1221 fprintf(f, "\n");
1222 }
1223 }
1224 #endif /* CONFIG_WPS */
1225 #ifdef CONFIG_P2P
1226 {
1227 int i;
1228 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1229
1230 for (i = 0; i < config->num_sec_device_types; i++) {
1231 buf = wps_dev_type_bin2str(config->sec_device_type[i],
1232 _buf, sizeof(_buf));
1233 if (buf)
1234 fprintf(f, "sec_device_type=%s\n", buf);
1235 }
1236 }
1237 if (config->p2p_listen_reg_class)
1238 fprintf(f, "p2p_listen_reg_class=%d\n",
1239 config->p2p_listen_reg_class);
1240 if (config->p2p_listen_channel)
1241 fprintf(f, "p2p_listen_channel=%d\n",
1242 config->p2p_listen_channel);
1243 if (config->p2p_oper_reg_class)
1244 fprintf(f, "p2p_oper_reg_class=%d\n",
1245 config->p2p_oper_reg_class);
1246 if (config->p2p_oper_channel)
1247 fprintf(f, "p2p_oper_channel=%d\n", config->p2p_oper_channel);
1248 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
1249 fprintf(f, "p2p_go_intent=%d\n", config->p2p_go_intent);
1250 if (config->p2p_ssid_postfix)
1251 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
1252 if (config->persistent_reconnect)
1253 fprintf(f, "persistent_reconnect=%d\n",
1254 config->persistent_reconnect);
1255 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
1256 fprintf(f, "p2p_intra_bss=%d\n", config->p2p_intra_bss);
1257 if (config->p2p_group_idle)
1258 fprintf(f, "p2p_group_idle=%d\n", config->p2p_group_idle);
1259 if (config->p2p_passphrase_len)
1260 fprintf(f, "p2p_passphrase_len=%u\n",
1261 config->p2p_passphrase_len);
1262 if (config->p2p_pref_chan) {
1263 unsigned int i;
1264 fprintf(f, "p2p_pref_chan=");
1265 for (i = 0; i < config->num_p2p_pref_chan; i++) {
1266 fprintf(f, "%s%u:%u", i > 0 ? "," : "",
1267 config->p2p_pref_chan[i].op_class,
1268 config->p2p_pref_chan[i].chan);
1269 }
1270 fprintf(f, "\n");
1271 }
1272 if (config->p2p_no_go_freq.num) {
1273 char *val = freq_range_list_str(&config->p2p_no_go_freq);
1274 if (val) {
1275 fprintf(f, "p2p_no_go_freq=%s\n", val);
1276 os_free(val);
1277 }
1278 }
1279 if (config->p2p_add_cli_chan)
1280 fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
1281 if (config->p2p_optimize_listen_chan !=
1282 DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN)
1283 fprintf(f, "p2p_optimize_listen_chan=%d\n",
1284 config->p2p_optimize_listen_chan);
1285 if (config->p2p_go_ht40)
1286 fprintf(f, "p2p_go_ht40=%d\n", config->p2p_go_ht40);
1287 if (config->p2p_go_vht)
1288 fprintf(f, "p2p_go_vht=%d\n", config->p2p_go_vht);
1289 if (config->p2p_go_he)
1290 fprintf(f, "p2p_go_he=%d\n", config->p2p_go_he);
1291 if (config->p2p_go_edmg)
1292 fprintf(f, "p2p_go_edmg=%d\n", config->p2p_go_edmg);
1293 if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW)
1294 fprintf(f, "p2p_go_ctwindow=%d\n", config->p2p_go_ctwindow);
1295 if (config->p2p_disabled)
1296 fprintf(f, "p2p_disabled=%d\n", config->p2p_disabled);
1297 if (config->p2p_no_group_iface)
1298 fprintf(f, "p2p_no_group_iface=%d\n",
1299 config->p2p_no_group_iface);
1300 if (config->p2p_ignore_shared_freq)
1301 fprintf(f, "p2p_ignore_shared_freq=%d\n",
1302 config->p2p_ignore_shared_freq);
1303 if (config->p2p_cli_probe)
1304 fprintf(f, "p2p_cli_probe=%d\n", config->p2p_cli_probe);
1305 if (config->p2p_go_freq_change_policy != DEFAULT_P2P_GO_FREQ_MOVE)
1306 fprintf(f, "p2p_go_freq_change_policy=%u\n",
1307 config->p2p_go_freq_change_policy);
1308 if (WPA_GET_BE32(config->ip_addr_go))
1309 fprintf(f, "ip_addr_go=%u.%u.%u.%u\n",
1310 config->ip_addr_go[0], config->ip_addr_go[1],
1311 config->ip_addr_go[2], config->ip_addr_go[3]);
1312 if (WPA_GET_BE32(config->ip_addr_mask))
1313 fprintf(f, "ip_addr_mask=%u.%u.%u.%u\n",
1314 config->ip_addr_mask[0], config->ip_addr_mask[1],
1315 config->ip_addr_mask[2], config->ip_addr_mask[3]);
1316 if (WPA_GET_BE32(config->ip_addr_start))
1317 fprintf(f, "ip_addr_start=%u.%u.%u.%u\n",
1318 config->ip_addr_start[0], config->ip_addr_start[1],
1319 config->ip_addr_start[2], config->ip_addr_start[3]);
1320 if (WPA_GET_BE32(config->ip_addr_end))
1321 fprintf(f, "ip_addr_end=%u.%u.%u.%u\n",
1322 config->ip_addr_end[0], config->ip_addr_end[1],
1323 config->ip_addr_end[2], config->ip_addr_end[3]);
1324 #endif /* CONFIG_P2P */
1325 if (config->country[0] && config->country[1]) {
1326 fprintf(f, "country=%c%c\n",
1327 config->country[0], config->country[1]);
1328 }
1329 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
1330 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
1331 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
1332 fprintf(f, "bss_expiration_age=%u\n",
1333 config->bss_expiration_age);
1334 if (config->bss_expiration_scan_count !=
1335 DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
1336 fprintf(f, "bss_expiration_scan_count=%u\n",
1337 config->bss_expiration_scan_count);
1338 if (config->filter_ssids)
1339 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
1340 if (config->filter_rssi)
1341 fprintf(f, "filter_rssi=%d\n", config->filter_rssi);
1342 if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
1343 fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
1344 if (config->ap_isolate != DEFAULT_AP_ISOLATE)
1345 fprintf(f, "ap_isolate=%u\n", config->ap_isolate);
1346 if (config->disassoc_low_ack)
1347 fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack);
1348 #ifdef CONFIG_HS20
1349 if (config->hs20)
1350 fprintf(f, "hs20=1\n");
1351 #endif /* CONFIG_HS20 */
1352 #ifdef CONFIG_INTERWORKING
1353 if (config->interworking)
1354 fprintf(f, "interworking=%d\n", config->interworking);
1355 if (!is_zero_ether_addr(config->hessid))
1356 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
1357 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1358 fprintf(f, "access_network_type=%d\n",
1359 config->access_network_type);
1360 if (config->go_interworking)
1361 fprintf(f, "go_interworking=%d\n", config->go_interworking);
1362 if (config->go_access_network_type)
1363 fprintf(f, "go_access_network_type=%d\n",
1364 config->go_access_network_type);
1365 if (config->go_internet)
1366 fprintf(f, "go_internet=%d\n", config->go_internet);
1367 if (config->go_venue_group)
1368 fprintf(f, "go_venue_group=%d\n", config->go_venue_group);
1369 if (config->go_venue_type)
1370 fprintf(f, "go_venue_type=%d\n", config->go_venue_type);
1371 #endif /* CONFIG_INTERWORKING */
1372 if (config->pbc_in_m1)
1373 fprintf(f, "pbc_in_m1=%d\n", config->pbc_in_m1);
1374 if (config->wps_nfc_pw_from_config) {
1375 if (config->wps_nfc_dev_pw_id)
1376 fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1377 config->wps_nfc_dev_pw_id);
1378 write_global_bin(f, "wps_nfc_dh_pubkey",
1379 config->wps_nfc_dh_pubkey);
1380 write_global_bin(f, "wps_nfc_dh_privkey",
1381 config->wps_nfc_dh_privkey);
1382 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1383 }
1384
1385 if (config->ext_password_backend)
1386 fprintf(f, "ext_password_backend=%s\n",
1387 config->ext_password_backend);
1388 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1389 fprintf(f, "p2p_go_max_inactivity=%d\n",
1390 config->p2p_go_max_inactivity);
1391 if (config->auto_interworking)
1392 fprintf(f, "auto_interworking=%d\n",
1393 config->auto_interworking);
1394 if (config->okc)
1395 fprintf(f, "okc=%d\n", config->okc);
1396 if (config->pmf)
1397 fprintf(f, "pmf=%d\n", config->pmf);
1398 if (config->dtim_period)
1399 fprintf(f, "dtim_period=%d\n", config->dtim_period);
1400 if (config->beacon_int)
1401 fprintf(f, "beacon_int=%d\n", config->beacon_int);
1402
1403 if (config->sae_groups) {
1404 int i;
1405 fprintf(f, "sae_groups=");
1406 for (i = 0; config->sae_groups[i] > 0; i++) {
1407 fprintf(f, "%s%d", i > 0 ? " " : "",
1408 config->sae_groups[i]);
1409 }
1410 fprintf(f, "\n");
1411 }
1412
1413 if (config->sae_pwe)
1414 fprintf(f, "sae_pwe=%d\n", config->sae_pwe);
1415
1416 if (config->sae_pmkid_in_assoc)
1417 fprintf(f, "sae_pmkid_in_assoc=%d\n",
1418 config->sae_pmkid_in_assoc);
1419
1420 if (config->ap_vendor_elements) {
1421 int i, len = wpabuf_len(config->ap_vendor_elements);
1422 const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1423 if (len > 0) {
1424 fprintf(f, "ap_vendor_elements=");
1425 for (i = 0; i < len; i++)
1426 fprintf(f, "%02x", *p++);
1427 fprintf(f, "\n");
1428 }
1429 }
1430
1431 if (config->ignore_old_scan_res)
1432 fprintf(f, "ignore_old_scan_res=%d\n",
1433 config->ignore_old_scan_res);
1434
1435 if (config->freq_list && config->freq_list[0]) {
1436 int i;
1437 fprintf(f, "freq_list=");
1438 for (i = 0; config->freq_list[i]; i++) {
1439 fprintf(f, "%s%d", i > 0 ? " " : "",
1440 config->freq_list[i]);
1441 }
1442 fprintf(f, "\n");
1443 }
1444 if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1445 fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
1446
1447 if (config->sched_scan_interval)
1448 fprintf(f, "sched_scan_interval=%u\n",
1449 config->sched_scan_interval);
1450
1451 if (config->sched_scan_start_delay)
1452 fprintf(f, "sched_scan_start_delay=%u\n",
1453 config->sched_scan_start_delay);
1454
1455 if (config->external_sim)
1456 fprintf(f, "external_sim=%d\n", config->external_sim);
1457
1458 if (config->tdls_external_control)
1459 fprintf(f, "tdls_external_control=%d\n",
1460 config->tdls_external_control);
1461
1462 if (config->wowlan_triggers)
1463 fprintf(f, "wowlan_triggers=%s\n",
1464 config->wowlan_triggers);
1465
1466 if (config->bgscan)
1467 fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
1468
1469 if (config->autoscan)
1470 fprintf(f, "autoscan=%s\n", config->autoscan);
1471
1472 if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY)
1473 fprintf(f, "p2p_search_delay=%u\n",
1474 config->p2p_search_delay);
1475
1476 if (config->mac_addr)
1477 fprintf(f, "mac_addr=%d\n", config->mac_addr);
1478
1479 if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1480 fprintf(f, "rand_addr_lifetime=%u\n",
1481 config->rand_addr_lifetime);
1482
1483 if (config->preassoc_mac_addr)
1484 fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr);
1485
1486 if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD)
1487 fprintf(f, "key_mgmt_offload=%d\n", config->key_mgmt_offload);
1488
1489 if (config->user_mpm != DEFAULT_USER_MPM)
1490 fprintf(f, "user_mpm=%d\n", config->user_mpm);
1491
1492 if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS)
1493 fprintf(f, "max_peer_links=%d\n", config->max_peer_links);
1494
1495 if (config->cert_in_cb != DEFAULT_CERT_IN_CB)
1496 fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb);
1497
1498 if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY)
1499 fprintf(f, "mesh_max_inactivity=%d\n",
1500 config->mesh_max_inactivity);
1501
1502 if (config->dot11RSNASAERetransPeriod !=
1503 DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD)
1504 fprintf(f, "dot11RSNASAERetransPeriod=%d\n",
1505 config->dot11RSNASAERetransPeriod);
1506
1507 if (config->passive_scan)
1508 fprintf(f, "passive_scan=%d\n", config->passive_scan);
1509
1510 if (config->reassoc_same_bss_optim)
1511 fprintf(f, "reassoc_same_bss_optim=%d\n",
1512 config->reassoc_same_bss_optim);
1513
1514 if (config->wps_priority)
1515 fprintf(f, "wps_priority=%d\n", config->wps_priority);
1516
1517 if (config->wpa_rsc_relaxation != DEFAULT_WPA_RSC_RELAXATION)
1518 fprintf(f, "wpa_rsc_relaxation=%d\n",
1519 config->wpa_rsc_relaxation);
1520
1521 if (config->sched_scan_plans)
1522 fprintf(f, "sched_scan_plans=%s\n", config->sched_scan_plans);
1523
1524 #ifdef CONFIG_MBO
1525 if (config->non_pref_chan)
1526 fprintf(f, "non_pref_chan=%s\n", config->non_pref_chan);
1527 if (config->mbo_cell_capa != DEFAULT_MBO_CELL_CAPA)
1528 fprintf(f, "mbo_cell_capa=%u\n", config->mbo_cell_capa);
1529 if (config->disassoc_imminent_rssi_threshold !=
1530 DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD)
1531 fprintf(f, "disassoc_imminent_rssi_threshold=%d\n",
1532 config->disassoc_imminent_rssi_threshold);
1533 if (config->oce != DEFAULT_OCE_SUPPORT)
1534 fprintf(f, "oce=%u\n", config->oce);
1535 #endif /* CONFIG_MBO */
1536
1537 if (config->gas_address3)
1538 fprintf(f, "gas_address3=%d\n", config->gas_address3);
1539
1540 if (config->ftm_responder)
1541 fprintf(f, "ftm_responder=%d\n", config->ftm_responder);
1542 if (config->ftm_initiator)
1543 fprintf(f, "ftm_initiator=%d\n", config->ftm_initiator);
1544
1545 if (config->osu_dir)
1546 fprintf(f, "osu_dir=%s\n", config->osu_dir);
1547
1548 if (config->fst_group_id)
1549 fprintf(f, "fst_group_id=%s\n", config->fst_group_id);
1550 if (config->fst_priority)
1551 fprintf(f, "fst_priority=%d\n", config->fst_priority);
1552 if (config->fst_llt)
1553 fprintf(f, "fst_llt=%d\n", config->fst_llt);
1554
1555 if (config->gas_rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1556 fprintf(f, "gas_rand_addr_lifetime=%u\n",
1557 config->gas_rand_addr_lifetime);
1558 if (config->gas_rand_mac_addr)
1559 fprintf(f, "gas_rand_mac_addr=%d\n", config->gas_rand_mac_addr);
1560 if (config->dpp_config_processing)
1561 fprintf(f, "dpp_config_processing=%d\n",
1562 config->dpp_config_processing);
1563 if (config->coloc_intf_reporting)
1564 fprintf(f, "coloc_intf_reporting=%d\n",
1565 config->coloc_intf_reporting);
1566 if (config->p2p_device_random_mac_addr)
1567 fprintf(f, "p2p_device_random_mac_addr=%d\n",
1568 config->p2p_device_random_mac_addr);
1569 if (!is_zero_ether_addr(config->p2p_device_persistent_mac_addr))
1570 fprintf(f, "p2p_device_persistent_mac_addr=" MACSTR "\n",
1571 MAC2STR(config->p2p_device_persistent_mac_addr));
1572 if (config->p2p_interface_random_mac_addr)
1573 fprintf(f, "p2p_interface_random_mac_addr=%d\n",
1574 config->p2p_interface_random_mac_addr);
1575 if (config->disable_btm)
1576 fprintf(f, "disable_btm=1\n");
1577 }
1578
1579 #endif /* CONFIG_NO_CONFIG_WRITE */
1580
1581
1582 int wpa_config_write(const char *name, struct wpa_config *config)
1583 {
1584 #ifndef CONFIG_NO_CONFIG_WRITE
1585 FILE *f;
1586 struct wpa_ssid *ssid;
1587 struct wpa_cred *cred;
1588 #ifndef CONFIG_NO_CONFIG_BLOBS
1589 struct wpa_config_blob *blob;
1590 #endif /* CONFIG_NO_CONFIG_BLOBS */
1591 int ret = 0;
1592 const char *orig_name = name;
1593 int tmp_len = os_strlen(name) + 5; /* allow space for .tmp suffix */
1594 char *tmp_name = os_malloc(tmp_len);
1595
1596 if (tmp_name) {
1597 os_snprintf(tmp_name, tmp_len, "%s.tmp", name);
1598 name = tmp_name;
1599 }
1600
1601 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1602
1603 f = fopen(name, "w");
1604 if (f == NULL) {
1605 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1606 os_free(tmp_name);
1607 return -1;
1608 }
1609
1610 wpa_config_write_global(f, config);
1611
1612 for (cred = config->cred; cred; cred = cred->next) {
1613 if (cred->temporary)
1614 continue;
1615 fprintf(f, "\ncred={\n");
1616 wpa_config_write_cred(f, cred);
1617 fprintf(f, "}\n");
1618 }
1619
1620 for (ssid = config->ssid; ssid; ssid = ssid->next) {
1621 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
1622 continue; /* do not save temporary networks */
1623 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
1624 !ssid->passphrase)
1625 continue; /* do not save invalid network */
1626 fprintf(f, "\nnetwork={\n");
1627 wpa_config_write_network(f, ssid);
1628 fprintf(f, "}\n");
1629 }
1630
1631 #ifndef CONFIG_NO_CONFIG_BLOBS
1632 for (blob = config->blobs; blob; blob = blob->next) {
1633 ret = wpa_config_write_blob(f, blob);
1634 if (ret)
1635 break;
1636 }
1637 #endif /* CONFIG_NO_CONFIG_BLOBS */
1638
1639 os_fdatasync(f);
1640
1641 fclose(f);
1642
1643 if (tmp_name) {
1644 int chmod_ret = 0;
1645
1646 #ifdef ANDROID
1647 chmod_ret = chmod(tmp_name,
1648 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
1649 #endif /* ANDROID */
1650 if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0)
1651 ret = -1;
1652
1653 os_free(tmp_name);
1654 }
1655
1656 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1657 orig_name, ret ? "un" : "");
1658 return ret;
1659 #else /* CONFIG_NO_CONFIG_WRITE */
1660 return -1;
1661 #endif /* CONFIG_NO_CONFIG_WRITE */
1662 }
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