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 #include "utils/config.h"
27
28
wpa_config_validate_network(struct wpa_ssid * ssid,int line)29 static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
30 {
31 int errors = 0;
32
33 if (ssid->passphrase) {
34 if (ssid->psk_set) {
35 wpa_printf(MSG_ERROR, "Line %d: both PSK and "
36 "passphrase configured.", line);
37 errors++;
38 }
39 wpa_config_update_psk(ssid);
40 }
41
42 if (ssid->disabled == 2)
43 ssid->p2p_persistent_group = 1;
44
45 if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
46 !(ssid->pairwise_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_CCMP_256 |
47 WPA_CIPHER_GCMP | WPA_CIPHER_GCMP_256 |
48 WPA_CIPHER_NONE))) {
49 /* Group cipher cannot be stronger than the pairwise cipher. */
50 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
51 " list since it was not allowed for pairwise "
52 "cipher", line);
53 ssid->group_cipher &= ~WPA_CIPHER_CCMP;
54 }
55
56 if (is_6ghz_freq(ssid->frequency) && ssid->mode == WPAS_MODE_MESH &&
57 ssid->key_mgmt == WPA_KEY_MGMT_NONE) {
58 wpa_printf(MSG_ERROR,
59 "Line %d: key_mgmt for mesh network in 6 GHz should be SAE",
60 line);
61 errors++;
62 }
63 if (ssid->mode == WPAS_MODE_MESH &&
64 (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
65 ssid->key_mgmt != WPA_KEY_MGMT_SAE)) {
66 wpa_printf(MSG_ERROR,
67 "Line %d: key_mgmt for mesh network should be open or SAE",
68 line);
69 errors++;
70 }
71
72 #ifdef CONFIG_OCV
73 if (ssid->ocv && ssid->ieee80211w == NO_MGMT_FRAME_PROTECTION) {
74 wpa_printf(MSG_ERROR,
75 "Line %d: PMF needs to be enabled whenever using OCV",
76 line);
77 errors++;
78 }
79 #endif /* CONFIG_OCV */
80
81 return errors;
82 }
83
84
wpa_config_read_network(FILE * f,int * line,int id)85 static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
86 {
87 struct wpa_ssid *ssid;
88 int errors = 0, end = 0;
89 char buf[2000], *pos, *pos2;
90
91 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
92 *line);
93 ssid = os_zalloc(sizeof(*ssid));
94 if (ssid == NULL)
95 return NULL;
96 dl_list_init(&ssid->psk_list);
97 ssid->id = id;
98
99 wpa_config_set_network_defaults(ssid);
100
101 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
102 if (os_strcmp(pos, "}") == 0) {
103 end = 1;
104 break;
105 }
106
107 pos2 = os_strchr(pos, '=');
108 if (pos2 == NULL) {
109 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
110 "'%s'.", *line, pos);
111 errors++;
112 continue;
113 }
114
115 *pos2++ = '\0';
116 if (*pos2 == '"') {
117 if (os_strchr(pos2 + 1, '"') == NULL) {
118 wpa_printf(MSG_ERROR, "Line %d: invalid "
119 "quotation '%s'.", *line, pos2);
120 errors++;
121 continue;
122 }
123 }
124
125 if (wpa_config_set(ssid, pos, pos2, *line) < 0) {
126 #ifndef CONFIG_WEP
127 if (os_strcmp(pos, "wep_key0") == 0 ||
128 os_strcmp(pos, "wep_key1") == 0 ||
129 os_strcmp(pos, "wep_key2") == 0 ||
130 os_strcmp(pos, "wep_key3") == 0 ||
131 os_strcmp(pos, "wep_tx_keyidx") == 0) {
132 wpa_printf(MSG_ERROR,
133 "Line %d: unsupported WEP parameter",
134 *line);
135 ssid->disabled = 1;
136 continue;
137 }
138 #endif /* CONFIG_WEP */
139 errors++;
140 }
141 }
142
143 if (!end) {
144 wpa_printf(MSG_ERROR, "Line %d: network block was not "
145 "terminated properly.", *line);
146 errors++;
147 }
148
149 errors += wpa_config_validate_network(ssid, *line);
150
151 if (errors) {
152 wpa_config_free_ssid(ssid);
153 ssid = NULL;
154 }
155
156 return ssid;
157 }
158
159
wpa_config_read_cred(FILE * f,int * line,int id)160 static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
161 {
162 struct wpa_cred *cred;
163 int errors = 0, end = 0;
164 char buf[256], *pos, *pos2;
165
166 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
167 cred = os_zalloc(sizeof(*cred));
168 if (cred == NULL)
169 return NULL;
170 cred->id = id;
171 cred->sim_num = DEFAULT_USER_SELECTED_SIM;
172
173 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
174 if (os_strcmp(pos, "}") == 0) {
175 end = 1;
176 break;
177 }
178
179 pos2 = os_strchr(pos, '=');
180 if (pos2 == NULL) {
181 wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
182 "'%s'.", *line, pos);
183 errors++;
184 continue;
185 }
186
187 *pos2++ = '\0';
188 if (*pos2 == '"') {
189 if (os_strchr(pos2 + 1, '"') == NULL) {
190 wpa_printf(MSG_ERROR, "Line %d: invalid "
191 "quotation '%s'.", *line, pos2);
192 errors++;
193 continue;
194 }
195 }
196
197 if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
198 errors++;
199 }
200
201 if (!end) {
202 wpa_printf(MSG_ERROR, "Line %d: cred block was not "
203 "terminated properly.", *line);
204 errors++;
205 }
206
207 if (errors) {
208 wpa_config_free_cred(cred);
209 cred = NULL;
210 }
211
212 return cred;
213 }
214
215
216 #ifndef CONFIG_NO_CONFIG_BLOBS
wpa_config_read_blob(FILE * f,int * line,const char * name)217 static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
218 const char *name)
219 {
220 struct wpa_config_blob *blob;
221 char buf[256], *pos;
222 char *encoded = NULL, *nencoded;
223 int end = 0;
224 size_t encoded_len = 0, len;
225
226 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
227 *line, name);
228
229 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
230 if (os_strcmp(pos, "}") == 0) {
231 end = 1;
232 break;
233 }
234
235 len = os_strlen(pos);
236 nencoded = os_realloc(encoded, encoded_len + len);
237 if (nencoded == NULL) {
238 wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
239 "blob", *line);
240 os_free(encoded);
241 return NULL;
242 }
243 encoded = nencoded;
244 os_memcpy(encoded + encoded_len, pos, len);
245 encoded_len += len;
246 }
247
248 if (!end || !encoded) {
249 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
250 "properly", *line);
251 os_free(encoded);
252 return NULL;
253 }
254
255 blob = os_zalloc(sizeof(*blob));
256 if (blob == NULL) {
257 os_free(encoded);
258 return NULL;
259 }
260 blob->name = os_strdup(name);
261 blob->data = base64_decode(encoded, encoded_len, &blob->len);
262 os_free(encoded);
263
264 if (blob->name == NULL || blob->data == NULL) {
265 wpa_config_free_blob(blob);
266 return NULL;
267 }
268
269 return blob;
270 }
271
272
wpa_config_process_blob(struct wpa_config * config,FILE * f,int * line,char * bname)273 static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
274 int *line, char *bname)
275 {
276 char *name_end;
277 struct wpa_config_blob *blob;
278
279 name_end = os_strchr(bname, '=');
280 if (name_end == NULL) {
281 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
282 *line);
283 return -1;
284 }
285 *name_end = '\0';
286
287 blob = wpa_config_read_blob(f, line, bname);
288 if (blob == NULL) {
289 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
290 *line, bname);
291 return -1;
292 }
293 wpa_config_set_blob(config, blob);
294 return 0;
295 }
296 #endif /* CONFIG_NO_CONFIG_BLOBS */
297
298
wpa_config_read(const char * name,struct wpa_config * cfgp,bool ro)299 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp,
300 bool ro)
301 {
302 FILE *f;
303 char buf[512], *pos;
304 int errors = 0, line = 0;
305 struct wpa_ssid *ssid, *tail, *head;
306 struct wpa_cred *cred, *cred_tail, *cred_head;
307 struct wpa_config *config;
308 static int id = 0;
309 static int cred_id = 0;
310
311 if (name == NULL)
312 return NULL;
313 if (cfgp)
314 config = cfgp;
315 else
316 config = wpa_config_alloc_empty(NULL, NULL);
317 if (config == NULL) {
318 wpa_printf(MSG_ERROR, "Failed to allocate config file "
319 "structure");
320 return NULL;
321 }
322 tail = head = config->ssid;
323 while (tail && tail->next)
324 tail = tail->next;
325 cred_tail = cred_head = config->cred;
326 while (cred_tail && cred_tail->next)
327 cred_tail = cred_tail->next;
328
329 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
330 f = fopen(name, "r");
331 if (f == NULL) {
332 wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
333 "error: %s", name, strerror(errno));
334 if (config != cfgp)
335 os_free(config);
336 return NULL;
337 }
338
339 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
340 if (os_strcmp(pos, "network={") == 0) {
341 ssid = wpa_config_read_network(f, &line, id++);
342 if (ssid == NULL) {
343 wpa_printf(MSG_ERROR, "Line %d: failed to "
344 "parse network block.", line);
345 errors++;
346 continue;
347 }
348 ssid->ro = ro;
349 if (head == NULL) {
350 head = tail = ssid;
351 } else {
352 tail->next = ssid;
353 tail = ssid;
354 }
355 if (wpa_config_add_prio_network(config, ssid)) {
356 wpa_printf(MSG_ERROR, "Line %d: failed to add "
357 "network block to priority list.",
358 line);
359 errors++;
360 continue;
361 }
362 } else if (os_strcmp(pos, "cred={") == 0) {
363 cred = wpa_config_read_cred(f, &line, cred_id++);
364 if (cred == NULL) {
365 wpa_printf(MSG_ERROR, "Line %d: failed to "
366 "parse cred block.", line);
367 errors++;
368 continue;
369 }
370 if (cred_head == NULL) {
371 cred_head = cred_tail = cred;
372 } else {
373 cred_tail->next = cred;
374 cred_tail = cred;
375 }
376 #ifndef CONFIG_NO_CONFIG_BLOBS
377 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
378 if (wpa_config_process_blob(config, f, &line, pos + 12)
379 < 0) {
380 wpa_printf(MSG_ERROR, "Line %d: failed to "
381 "process blob.", line);
382 errors++;
383 continue;
384 }
385 #endif /* CONFIG_NO_CONFIG_BLOBS */
386 } else if (wpa_config_process_global(config, pos, line) < 0) {
387 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
388 "line '%s'.", line, pos);
389 errors++;
390 continue;
391 }
392 }
393
394 fclose(f);
395
396 config->ssid = head;
397 wpa_config_debug_dump_networks(config);
398 config->cred = cred_head;
399
400 #ifndef WPA_IGNORE_CONFIG_ERRORS
401 if (errors) {
402 if (config != cfgp)
403 wpa_config_free(config);
404 config = NULL;
405 head = NULL;
406 }
407 #endif /* WPA_IGNORE_CONFIG_ERRORS */
408
409 return config;
410 }
411
412
413 #ifndef CONFIG_NO_CONFIG_WRITE
414
write_str(FILE * f,const char * field,struct wpa_ssid * ssid)415 static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
416 {
417 char *value = wpa_config_get(ssid, field);
418 if (value == NULL)
419 return;
420 fprintf(f, "\t%s=%s\n", field, value);
421 str_clear_free(value);
422 }
423
424
write_int(FILE * f,const char * field,int value,int def)425 static void write_int(FILE *f, const char *field, int value, int def)
426 {
427 if (value == def)
428 return;
429 fprintf(f, "\t%s=%d\n", field, value);
430 }
431
432
write_bssid(FILE * f,struct wpa_ssid * ssid)433 static void write_bssid(FILE *f, struct wpa_ssid *ssid)
434 {
435 char *value = wpa_config_get(ssid, "bssid");
436 if (value == NULL)
437 return;
438 fprintf(f, "\tbssid=%s\n", value);
439 os_free(value);
440 }
441
442
write_bssid_hint(FILE * f,struct wpa_ssid * ssid)443 static void write_bssid_hint(FILE *f, struct wpa_ssid *ssid)
444 {
445 char *value = wpa_config_get(ssid, "bssid_hint");
446
447 if (!value)
448 return;
449 fprintf(f, "\tbssid_hint=%s\n", value);
450 os_free(value);
451 }
452
453
write_psk(FILE * f,struct wpa_ssid * ssid)454 static void write_psk(FILE *f, struct wpa_ssid *ssid)
455 {
456 char *value;
457
458 if (ssid->mem_only_psk)
459 return;
460
461 value = wpa_config_get(ssid, "psk");
462 if (value == NULL)
463 return;
464 fprintf(f, "\tpsk=%s\n", value);
465 os_free(value);
466 }
467
468
write_proto(FILE * f,struct wpa_ssid * ssid)469 static void write_proto(FILE *f, struct wpa_ssid *ssid)
470 {
471 char *value;
472
473 if (ssid->proto == DEFAULT_PROTO)
474 return;
475
476 value = wpa_config_get(ssid, "proto");
477 if (value == NULL)
478 return;
479 if (value[0])
480 fprintf(f, "\tproto=%s\n", value);
481 os_free(value);
482 }
483
484
write_key_mgmt(FILE * f,struct wpa_ssid * ssid)485 static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
486 {
487 char *value;
488
489 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
490 return;
491
492 value = wpa_config_get(ssid, "key_mgmt");
493 if (value == NULL)
494 return;
495 if (value[0])
496 fprintf(f, "\tkey_mgmt=%s\n", value);
497 os_free(value);
498 }
499
500
write_pairwise(FILE * f,struct wpa_ssid * ssid)501 static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
502 {
503 char *value;
504
505 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
506 return;
507
508 value = wpa_config_get(ssid, "pairwise");
509 if (value == NULL)
510 return;
511 if (value[0])
512 fprintf(f, "\tpairwise=%s\n", value);
513 os_free(value);
514 }
515
516
write_group(FILE * f,struct wpa_ssid * ssid)517 static void write_group(FILE *f, struct wpa_ssid *ssid)
518 {
519 char *value;
520
521 if (ssid->group_cipher == DEFAULT_GROUP)
522 return;
523
524 value = wpa_config_get(ssid, "group");
525 if (value == NULL)
526 return;
527 if (value[0])
528 fprintf(f, "\tgroup=%s\n", value);
529 os_free(value);
530 }
531
532
write_group_mgmt(FILE * f,struct wpa_ssid * ssid)533 static void write_group_mgmt(FILE *f, struct wpa_ssid *ssid)
534 {
535 char *value;
536
537 if (!ssid->group_mgmt_cipher)
538 return;
539
540 value = wpa_config_get(ssid, "group_mgmt");
541 if (!value)
542 return;
543 if (value[0])
544 fprintf(f, "\tgroup_mgmt=%s\n", value);
545 os_free(value);
546 }
547
548
write_auth_alg(FILE * f,struct wpa_ssid * ssid)549 static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
550 {
551 char *value;
552
553 if (ssid->auth_alg == 0)
554 return;
555
556 value = wpa_config_get(ssid, "auth_alg");
557 if (value == NULL)
558 return;
559 if (value[0])
560 fprintf(f, "\tauth_alg=%s\n", value);
561 os_free(value);
562 }
563
564
565 #ifdef IEEE8021X_EAPOL
write_eap(FILE * f,struct wpa_ssid * ssid)566 static void write_eap(FILE *f, struct wpa_ssid *ssid)
567 {
568 char *value;
569
570 value = wpa_config_get(ssid, "eap");
571 if (value == NULL)
572 return;
573
574 if (value[0])
575 fprintf(f, "\teap=%s\n", value);
576 os_free(value);
577 }
578 #endif /* IEEE8021X_EAPOL */
579
580
581 #ifdef CONFIG_WEP
write_wep_key(FILE * f,int idx,struct wpa_ssid * ssid)582 static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
583 {
584 char field[20], *value;
585 int res;
586
587 res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
588 if (os_snprintf_error(sizeof(field), res))
589 return;
590 value = wpa_config_get(ssid, field);
591 if (value) {
592 fprintf(f, "\t%s=%s\n", field, value);
593 os_free(value);
594 }
595 }
596 #endif /* CONFIG_WEP */
597
598
599 #ifdef CONFIG_P2P
600
write_go_p2p_dev_addr(FILE * f,struct wpa_ssid * ssid)601 static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
602 {
603 char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
604 if (value == NULL)
605 return;
606 fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
607 os_free(value);
608 }
609
write_p2p_client_list(FILE * f,struct wpa_ssid * ssid)610 static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
611 {
612 char *value = wpa_config_get(ssid, "p2p_client_list");
613 if (value == NULL)
614 return;
615 fprintf(f, "\tp2p_client_list=%s\n", value);
616 os_free(value);
617 }
618
619
write_psk_list(FILE * f,struct wpa_ssid * ssid)620 static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
621 {
622 struct psk_list_entry *psk;
623 char hex[32 * 2 + 1];
624
625 dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
626 wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
627 fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
628 psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
629 }
630 }
631
632 #endif /* CONFIG_P2P */
633
634
635 #ifdef CONFIG_MACSEC
636
write_mka_cak(FILE * f,struct wpa_ssid * ssid)637 static void write_mka_cak(FILE *f, struct wpa_ssid *ssid)
638 {
639 char *value;
640
641 if (!(ssid->mka_psk_set & MKA_PSK_SET_CAK))
642 return;
643
644 value = wpa_config_get(ssid, "mka_cak");
645 if (!value)
646 return;
647 fprintf(f, "\tmka_cak=%s\n", value);
648 os_free(value);
649 }
650
651
write_mka_ckn(FILE * f,struct wpa_ssid * ssid)652 static void write_mka_ckn(FILE *f, struct wpa_ssid *ssid)
653 {
654 char *value;
655
656 if (!(ssid->mka_psk_set & MKA_PSK_SET_CKN))
657 return;
658
659 value = wpa_config_get(ssid, "mka_ckn");
660 if (!value)
661 return;
662 fprintf(f, "\tmka_ckn=%s\n", value);
663 os_free(value);
664 }
665
666 #endif /* CONFIG_MACSEC */
667
668
wpa_config_write_network(FILE * f,struct wpa_ssid * ssid)669 static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
670 {
671 #define STR(t) write_str(f, #t, ssid)
672 #define INT(t) write_int(f, #t, ssid->t, 0)
673 #define INTe(t, m) write_int(f, #t, ssid->eap.m, 0)
674 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
675 #define INT_DEFe(t, m, def) write_int(f, #t, ssid->eap.m, def)
676
677 STR(ssid);
678 INT(scan_ssid);
679 write_bssid(f, ssid);
680 write_bssid_hint(f, ssid);
681 write_str(f, "bssid_ignore", ssid);
682 write_str(f, "bssid_accept", ssid);
683 write_psk(f, ssid);
684 INT(mem_only_psk);
685 STR(sae_password);
686 STR(sae_password_id);
687 write_int(f, "sae_pwe", ssid->sae_pwe, DEFAULT_SAE_PWE);
688 write_proto(f, ssid);
689 write_key_mgmt(f, ssid);
690 INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
691 write_pairwise(f, ssid);
692 write_group(f, ssid);
693 write_group_mgmt(f, ssid);
694 write_auth_alg(f, ssid);
695 STR(bgscan);
696 STR(autoscan);
697 STR(scan_freq);
698 #ifdef IEEE8021X_EAPOL
699 write_eap(f, ssid);
700 STR(identity);
701 STR(anonymous_identity);
702 STR(imsi_identity);
703 STR(machine_identity);
704 STR(password);
705 STR(machine_password);
706 STR(ca_cert);
707 STR(ca_path);
708 STR(client_cert);
709 STR(private_key);
710 STR(private_key_passwd);
711 STR(subject_match);
712 STR(check_cert_subject);
713 STR(altsubject_match);
714 STR(domain_suffix_match);
715 STR(domain_match);
716 STR(ca_cert2);
717 STR(ca_path2);
718 STR(client_cert2);
719 STR(private_key2);
720 STR(private_key2_passwd);
721 STR(subject_match2);
722 STR(check_cert_subject2);
723 STR(altsubject_match2);
724 STR(domain_suffix_match2);
725 STR(domain_match2);
726 STR(machine_ca_cert);
727 STR(machine_ca_path);
728 STR(machine_client_cert);
729 STR(machine_private_key);
730 STR(machine_private_key_passwd);
731 STR(machine_subject_match);
732 STR(machine_check_cert_subject);
733 STR(machine_altsubject_match);
734 STR(machine_domain_suffix_match);
735 STR(machine_domain_match);
736 STR(phase1);
737 STR(phase2);
738 STR(machine_phase2);
739 STR(pcsc);
740 STR(pin);
741 STR(engine_id);
742 STR(key_id);
743 STR(cert_id);
744 STR(ca_cert_id);
745 STR(key2_id);
746 STR(pin2);
747 STR(engine2_id);
748 STR(cert2_id);
749 STR(ca_cert2_id);
750 INTe(engine, cert.engine);
751 INTe(engine2, phase2_cert.engine);
752 INTe(machine_engine, machine_cert.engine);
753 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
754 STR(openssl_ciphers);
755 INTe(erp, erp);
756 #endif /* IEEE8021X_EAPOL */
757 #ifdef CONFIG_WEP
758 {
759 int i;
760
761 for (i = 0; i < 4; i++)
762 write_wep_key(f, i, ssid);
763 INT(wep_tx_keyidx);
764 }
765 #endif /* CONFIG_WEP */
766 INT(priority);
767 #ifdef IEEE8021X_EAPOL
768 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
769 STR(pac_file);
770 INT_DEFe(fragment_size, fragment_size, DEFAULT_FRAGMENT_SIZE);
771 INTe(ocsp, cert.ocsp);
772 INTe(ocsp2, phase2_cert.ocsp);
773 INTe(machine_ocsp, machine_cert.ocsp);
774 INT_DEFe(sim_num, sim_num, DEFAULT_USER_SELECTED_SIM);
775 #endif /* IEEE8021X_EAPOL */
776 INT(mode);
777 INT(no_auto_peer);
778 INT(mesh_fwding);
779 INT(frequency);
780 INT(enable_edmg);
781 INT(edmg_channel);
782 INT(fixed_freq);
783 #ifdef CONFIG_ACS
784 INT(acs);
785 #endif /* CONFIG_ACS */
786 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
787 INT(disabled);
788 INT(mixed_cell);
789 INT_DEF(vht, 1);
790 INT_DEF(ht, 1);
791 INT(ht40);
792 INT_DEF(he, 1);
793 INT_DEF(max_oper_chwidth, DEFAULT_MAX_OPER_CHWIDTH);
794 INT(vht_center_freq1);
795 INT(vht_center_freq2);
796 INT(pbss);
797 INT(wps_disabled);
798 INT(fils_dh_group);
799 write_int(f, "ieee80211w", ssid->ieee80211w,
800 MGMT_FRAME_PROTECTION_DEFAULT);
801 STR(id_str);
802 #ifdef CONFIG_P2P
803 write_go_p2p_dev_addr(f, ssid);
804 write_p2p_client_list(f, ssid);
805 write_psk_list(f, ssid);
806 #endif /* CONFIG_P2P */
807 INT(ap_max_inactivity);
808 INT(dtim_period);
809 INT(beacon_int);
810 #ifdef CONFIG_MACSEC
811 INT(macsec_policy);
812 write_mka_cak(f, ssid);
813 write_mka_ckn(f, ssid);
814 INT(macsec_integ_only);
815 INT(macsec_replay_protect);
816 INT(macsec_replay_window);
817 INT(macsec_offload);
818 INT(macsec_port);
819 INT_DEF(mka_priority, DEFAULT_PRIO_NOT_KEY_SERVER);
820 INT(macsec_csindex);
821 #endif /* CONFIG_MACSEC */
822 #ifdef CONFIG_HS20
823 INT(update_identifier);
824 STR(roaming_consortium_selection);
825 #endif /* CONFIG_HS20 */
826 write_int(f, "mac_addr", ssid->mac_addr, -1);
827 #ifdef CONFIG_MESH
828 STR(mesh_basic_rates);
829 INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES);
830 INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT);
831 INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT);
832 INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT);
833 INT_DEF(mesh_rssi_threshold, DEFAULT_MESH_RSSI_THRESHOLD);
834 #endif /* CONFIG_MESH */
835 INT(wpa_ptk_rekey);
836 INT(wpa_deny_ptk0_rekey);
837 INT(group_rekey);
838 INT(ignore_broadcast_ssid);
839 #ifdef CONFIG_DPP
840 STR(dpp_connector);
841 STR(dpp_netaccesskey);
842 INT(dpp_netaccesskey_expiry);
843 STR(dpp_csign);
844 STR(dpp_pp_key);
845 INT(dpp_pfs);
846 INT(dpp_connector_privacy);
847 #endif /* CONFIG_DPP */
848 INT(owe_group);
849 INT(owe_only);
850 INT(owe_ptk_workaround);
851 INT(multi_ap_backhaul_sta);
852 INT(ft_eap_pmksa_caching);
853 INT(multi_ap_profile);
854 INT(beacon_prot);
855 INT(transition_disable);
856 INT(sae_pk);
857 #ifdef CONFIG_HT_OVERRIDES
858 INT_DEF(disable_ht, DEFAULT_DISABLE_HT);
859 INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40);
860 INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI);
861 INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC);
862 INT(ht40_intolerant);
863 INT_DEF(tx_stbc, DEFAULT_TX_STBC);
864 INT_DEF(rx_stbc, DEFAULT_RX_STBC);
865 INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU);
866 INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR);
867 INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY);
868 STR(ht_mcs);
869 #endif /* CONFIG_HT_OVERRIDES */
870 #ifdef CONFIG_VHT_OVERRIDES
871 INT(disable_vht);
872 INT(vht_capa);
873 INT(vht_capa_mask);
874 INT_DEF(vht_rx_mcs_nss_1, -1);
875 INT_DEF(vht_rx_mcs_nss_2, -1);
876 INT_DEF(vht_rx_mcs_nss_3, -1);
877 INT_DEF(vht_rx_mcs_nss_4, -1);
878 INT_DEF(vht_rx_mcs_nss_5, -1);
879 INT_DEF(vht_rx_mcs_nss_6, -1);
880 INT_DEF(vht_rx_mcs_nss_7, -1);
881 INT_DEF(vht_rx_mcs_nss_8, -1);
882 INT_DEF(vht_tx_mcs_nss_1, -1);
883 INT_DEF(vht_tx_mcs_nss_2, -1);
884 INT_DEF(vht_tx_mcs_nss_3, -1);
885 INT_DEF(vht_tx_mcs_nss_4, -1);
886 INT_DEF(vht_tx_mcs_nss_5, -1);
887 INT_DEF(vht_tx_mcs_nss_6, -1);
888 INT_DEF(vht_tx_mcs_nss_7, -1);
889 INT_DEF(vht_tx_mcs_nss_8, -1);
890 #endif /* CONFIG_VHT_OVERRIDES */
891 #ifdef CONFIG_HE_OVERRIDES
892 INT(disable_he);
893 #endif /* CONFIG_HE_OVERRIDES */
894 INT(disable_eht);
895 INT(enable_4addr_mode);
896 INT(max_idle);
897 INT(ssid_protection);
898
899 #undef STR
900 #undef INT
901 #undef INT_DEF
902 }
903
904
wpa_config_write_cred(FILE * f,struct wpa_cred * cred)905 static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
906 {
907 size_t i;
908
909 if (cred->priority)
910 fprintf(f, "\tpriority=%d\n", cred->priority);
911 if (cred->pcsc)
912 fprintf(f, "\tpcsc=%d\n", cred->pcsc);
913 if (cred->realm)
914 fprintf(f, "\trealm=\"%s\"\n", cred->realm);
915 if (cred->username)
916 fprintf(f, "\tusername=\"%s\"\n", cred->username);
917 if (cred->password && cred->ext_password)
918 fprintf(f, "\tpassword=ext:%s\n", cred->password);
919 else if (cred->password)
920 fprintf(f, "\tpassword=\"%s\"\n", cred->password);
921 if (cred->ca_cert)
922 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
923 if (cred->client_cert)
924 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
925 if (cred->private_key)
926 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
927 if (cred->private_key_passwd)
928 fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
929 cred->private_key_passwd);
930 if (cred->imsi)
931 fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
932 if (cred->milenage)
933 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
934 for (i = 0; i < cred->num_domain; i++)
935 fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
936 if (cred->domain_suffix_match)
937 fprintf(f, "\tdomain_suffix_match=\"%s\"\n",
938 cred->domain_suffix_match);
939 if (cred->eap_method) {
940 const char *name;
941 name = eap_get_name(cred->eap_method[0].vendor,
942 cred->eap_method[0].method);
943 if (name)
944 fprintf(f, "\teap=%s\n", name);
945 }
946 if (cred->phase1)
947 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
948 if (cred->phase2)
949 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
950 if (cred->excluded_ssid) {
951 size_t j;
952 for (i = 0; i < cred->num_excluded_ssid; i++) {
953 struct excluded_ssid *e = &cred->excluded_ssid[i];
954 fprintf(f, "\texcluded_ssid=");
955 for (j = 0; j < e->ssid_len; j++)
956 fprintf(f, "%02x", e->ssid[j]);
957 fprintf(f, "\n");
958 }
959 }
960 if (cred->roaming_partner) {
961 for (i = 0; i < cred->num_roaming_partner; i++) {
962 struct roaming_partner *p = &cred->roaming_partner[i];
963 fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n",
964 p->fqdn, p->exact_match, p->priority,
965 p->country);
966 }
967 }
968 if (cred->update_identifier)
969 fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
970
971 if (cred->provisioning_sp)
972 fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
973 if (cred->sp_priority)
974 fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
975
976 if (cred->min_dl_bandwidth_home)
977 fprintf(f, "\tmin_dl_bandwidth_home=%u\n",
978 cred->min_dl_bandwidth_home);
979 if (cred->min_ul_bandwidth_home)
980 fprintf(f, "\tmin_ul_bandwidth_home=%u\n",
981 cred->min_ul_bandwidth_home);
982 if (cred->min_dl_bandwidth_roaming)
983 fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n",
984 cred->min_dl_bandwidth_roaming);
985 if (cred->min_ul_bandwidth_roaming)
986 fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n",
987 cred->min_ul_bandwidth_roaming);
988
989 if (cred->max_bss_load)
990 fprintf(f, "\tmax_bss_load=%u\n",
991 cred->max_bss_load);
992
993 if (cred->ocsp)
994 fprintf(f, "\tocsp=%d\n", cred->ocsp);
995
996 if (cred->num_req_conn_capab) {
997 for (i = 0; i < cred->num_req_conn_capab; i++) {
998 int *ports;
999
1000 fprintf(f, "\treq_conn_capab=%u",
1001 cred->req_conn_capab_proto[i]);
1002 ports = cred->req_conn_capab_port[i];
1003 if (ports) {
1004 int j;
1005 for (j = 0; ports[j] != -1; j++) {
1006 fprintf(f, "%s%d", j > 0 ? "," : ":",
1007 ports[j]);
1008 }
1009 }
1010 fprintf(f, "\n");
1011 }
1012 }
1013
1014 if (cred->num_home_ois) {
1015 size_t j;
1016
1017 fprintf(f, "\thome_ois=\"");
1018 for (i = 0; i < cred->num_home_ois; i++) {
1019 if (i > 0)
1020 fprintf(f, ",");
1021 for (j = 0; j < cred->home_ois_len[i]; j++)
1022 fprintf(f, "%02x",
1023 cred->home_ois[i][j]);
1024 }
1025 fprintf(f, "\"\n");
1026 }
1027
1028 if (cred->num_required_home_ois) {
1029 size_t j;
1030
1031 fprintf(f, "\trequired_home_ois=\"");
1032 for (i = 0; i < cred->num_required_home_ois; i++) {
1033 if (i > 0)
1034 fprintf(f, ",");
1035 for (j = 0; j < cred->required_home_ois_len[i]; j++)
1036 fprintf(f, "%02x",
1037 cred->required_home_ois[i][j]);
1038 }
1039 fprintf(f, "\"\n");
1040 }
1041
1042 if (cred->num_roaming_consortiums) {
1043 size_t j;
1044
1045 fprintf(f, "\troaming_consortiums=\"");
1046 for (i = 0; i < cred->num_roaming_consortiums; i++) {
1047 if (i > 0)
1048 fprintf(f, ",");
1049 for (j = 0; j < cred->roaming_consortiums_len[i]; j++)
1050 fprintf(f, "%02x",
1051 cred->roaming_consortiums[i][j]);
1052 }
1053 fprintf(f, "\"\n");
1054 }
1055
1056 if (cred->sim_num != DEFAULT_USER_SELECTED_SIM)
1057 fprintf(f, "\tsim_num=%d\n", cred->sim_num);
1058
1059 if (cred->engine)
1060 fprintf(f, "\tengine=%d\n", cred->engine);
1061 if (cred->engine_id)
1062 fprintf(f, "\tengine_id=\"%s\"\n", cred->engine_id);
1063 if (cred->key_id)
1064 fprintf(f, "\tkey_id=\"%s\"\n", cred->key_id);
1065 if (cred->cert_id)
1066 fprintf(f, "\tcert_id=\"%s\"\n", cred->cert_id);
1067 if (cred->ca_cert_id)
1068 fprintf(f, "\tca_cert_id=\"%s\"\n", cred->ca_cert_id);
1069
1070 if (cred->imsi_privacy_cert)
1071 fprintf(f, "\timsi_privacy_cert=\"%s\"\n",
1072 cred->imsi_privacy_cert);
1073 if (cred->imsi_privacy_attr)
1074 fprintf(f, "\timsi_privacy_attr=\"%s\"\n",
1075 cred->imsi_privacy_attr);
1076 }
1077
1078
1079 #ifndef CONFIG_NO_CONFIG_BLOBS
wpa_config_write_blob(FILE * f,struct wpa_config_blob * blob)1080 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
1081 {
1082 char *encoded;
1083
1084 encoded = base64_encode(blob->data, blob->len, NULL);
1085 if (encoded == NULL)
1086 return -1;
1087
1088 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
1089 os_free(encoded);
1090 return 0;
1091 }
1092 #endif /* CONFIG_NO_CONFIG_BLOBS */
1093
1094
write_global_bin(FILE * f,const char * field,const struct wpabuf * val)1095 static void write_global_bin(FILE *f, const char *field,
1096 const struct wpabuf *val)
1097 {
1098 size_t i;
1099 const u8 *pos;
1100
1101 if (val == NULL)
1102 return;
1103
1104 fprintf(f, "%s=", field);
1105 pos = wpabuf_head(val);
1106 for (i = 0; i < wpabuf_len(val); i++)
1107 fprintf(f, "%02X", *pos++);
1108 fprintf(f, "\n");
1109 }
1110
1111
wpa_config_write_global(FILE * f,struct wpa_config * config)1112 static void wpa_config_write_global(FILE *f, struct wpa_config *config)
1113 {
1114 #ifdef CONFIG_CTRL_IFACE
1115 if (config->ctrl_interface)
1116 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
1117 if (config->ctrl_interface_group)
1118 fprintf(f, "ctrl_interface_group=%s\n",
1119 config->ctrl_interface_group);
1120 #endif /* CONFIG_CTRL_IFACE */
1121 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
1122 fprintf(f, "eapol_version=%d\n", config->eapol_version);
1123 if (config->ap_scan != DEFAULT_AP_SCAN)
1124 fprintf(f, "ap_scan=%d\n", config->ap_scan);
1125 if (config->disable_scan_offload)
1126 fprintf(f, "disable_scan_offload=%d\n",
1127 config->disable_scan_offload);
1128 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
1129 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
1130 #ifndef CONFIG_OPENSC_ENGINE_PATH
1131 if (config->opensc_engine_path)
1132 fprintf(f, "opensc_engine_path=%s\n",
1133 config->opensc_engine_path);
1134 #endif /* CONFIG_OPENSC_ENGINE_PATH */
1135 #ifndef CONFIG_PKCS11_ENGINE_PATH
1136 if (config->pkcs11_engine_path)
1137 fprintf(f, "pkcs11_engine_path=%s\n",
1138 config->pkcs11_engine_path);
1139 #endif /* CONFIG_PKCS11_ENGINE_PATH */
1140 #ifndef CONFIG_PKCS11_MODULE_PATH
1141 if (config->pkcs11_module_path)
1142 fprintf(f, "pkcs11_module_path=%s\n",
1143 config->pkcs11_module_path);
1144 #endif /* CONFIG_PKCS11_MODULE_PATH */
1145 if (config->openssl_ciphers)
1146 fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers);
1147 if (config->pcsc_reader)
1148 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
1149 if (config->pcsc_pin)
1150 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
1151 if (config->driver_param)
1152 fprintf(f, "driver_param=%s\n", config->driver_param);
1153 if (config->dot11RSNAConfigPMKLifetime)
1154 fprintf(f, "dot11RSNAConfigPMKLifetime=%u\n",
1155 config->dot11RSNAConfigPMKLifetime);
1156 if (config->dot11RSNAConfigPMKReauthThreshold)
1157 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%u\n",
1158 config->dot11RSNAConfigPMKReauthThreshold);
1159 if (config->dot11RSNAConfigSATimeout)
1160 fprintf(f, "dot11RSNAConfigSATimeout=%u\n",
1161 config->dot11RSNAConfigSATimeout);
1162 if (config->update_config)
1163 fprintf(f, "update_config=%d\n", config->update_config);
1164 #ifdef CONFIG_WPS
1165 if (!is_nil_uuid(config->uuid)) {
1166 char buf[40];
1167 uuid_bin2str(config->uuid, buf, sizeof(buf));
1168 fprintf(f, "uuid=%s\n", buf);
1169 }
1170 if (config->auto_uuid)
1171 fprintf(f, "auto_uuid=%d\n", config->auto_uuid);
1172 if (config->device_name)
1173 fprintf(f, "device_name=%s\n", config->device_name);
1174 if (config->manufacturer)
1175 fprintf(f, "manufacturer=%s\n", config->manufacturer);
1176 if (config->model_name)
1177 fprintf(f, "model_name=%s\n", config->model_name);
1178 if (config->model_number)
1179 fprintf(f, "model_number=%s\n", config->model_number);
1180 if (config->serial_number)
1181 fprintf(f, "serial_number=%s\n", config->serial_number);
1182 {
1183 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1184 buf = wps_dev_type_bin2str(config->device_type,
1185 _buf, sizeof(_buf));
1186 if (os_strcmp(buf, "0-00000000-0") != 0)
1187 fprintf(f, "device_type=%s\n", buf);
1188 }
1189 if (WPA_GET_BE32(config->os_version))
1190 fprintf(f, "os_version=%08x\n",
1191 WPA_GET_BE32(config->os_version));
1192 if (config->config_methods)
1193 fprintf(f, "config_methods=%s\n", config->config_methods);
1194 if (config->wps_cred_processing)
1195 fprintf(f, "wps_cred_processing=%d\n",
1196 config->wps_cred_processing);
1197 if (config->wps_cred_add_sae)
1198 fprintf(f, "wps_cred_add_sae=%d\n",
1199 config->wps_cred_add_sae);
1200 if (config->wps_vendor_ext_m1) {
1201 int i, len = wpabuf_len(config->wps_vendor_ext_m1);
1202 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
1203 if (len > 0) {
1204 fprintf(f, "wps_vendor_ext_m1=");
1205 for (i = 0; i < len; i++)
1206 fprintf(f, "%02x", *p++);
1207 fprintf(f, "\n");
1208 }
1209 }
1210 #endif /* CONFIG_WPS */
1211 #ifdef CONFIG_P2P
1212 {
1213 int i;
1214 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1215
1216 for (i = 0; i < config->num_sec_device_types; i++) {
1217 buf = wps_dev_type_bin2str(config->sec_device_type[i],
1218 _buf, sizeof(_buf));
1219 if (buf)
1220 fprintf(f, "sec_device_type=%s\n", buf);
1221 }
1222 }
1223 if (config->p2p_listen_reg_class)
1224 fprintf(f, "p2p_listen_reg_class=%d\n",
1225 config->p2p_listen_reg_class);
1226 if (config->p2p_listen_channel)
1227 fprintf(f, "p2p_listen_channel=%d\n",
1228 config->p2p_listen_channel);
1229 if (config->p2p_oper_reg_class)
1230 fprintf(f, "p2p_oper_reg_class=%d\n",
1231 config->p2p_oper_reg_class);
1232 if (config->p2p_oper_channel)
1233 fprintf(f, "p2p_oper_channel=%d\n", config->p2p_oper_channel);
1234 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
1235 fprintf(f, "p2p_go_intent=%d\n", config->p2p_go_intent);
1236 if (config->p2p_ssid_postfix)
1237 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
1238 if (config->persistent_reconnect)
1239 fprintf(f, "persistent_reconnect=%d\n",
1240 config->persistent_reconnect);
1241 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
1242 fprintf(f, "p2p_intra_bss=%d\n", config->p2p_intra_bss);
1243 if (config->p2p_group_idle)
1244 fprintf(f, "p2p_group_idle=%d\n", config->p2p_group_idle);
1245 if (config->p2p_passphrase_len)
1246 fprintf(f, "p2p_passphrase_len=%u\n",
1247 config->p2p_passphrase_len);
1248 if (config->p2p_pref_chan) {
1249 unsigned int i;
1250 fprintf(f, "p2p_pref_chan=");
1251 for (i = 0; i < config->num_p2p_pref_chan; i++) {
1252 fprintf(f, "%s%u:%u", i > 0 ? "," : "",
1253 config->p2p_pref_chan[i].op_class,
1254 config->p2p_pref_chan[i].chan);
1255 }
1256 fprintf(f, "\n");
1257 }
1258 if (config->p2p_no_go_freq.num) {
1259 char *val = freq_range_list_str(&config->p2p_no_go_freq);
1260 if (val) {
1261 fprintf(f, "p2p_no_go_freq=%s\n", val);
1262 os_free(val);
1263 }
1264 }
1265 if (config->p2p_add_cli_chan)
1266 fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
1267 if (config->p2p_optimize_listen_chan !=
1268 DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN)
1269 fprintf(f, "p2p_optimize_listen_chan=%d\n",
1270 config->p2p_optimize_listen_chan);
1271 if (config->p2p_go_ht40)
1272 fprintf(f, "p2p_go_ht40=%d\n", config->p2p_go_ht40);
1273 if (config->p2p_go_vht)
1274 fprintf(f, "p2p_go_vht=%d\n", config->p2p_go_vht);
1275 if (config->p2p_go_he)
1276 fprintf(f, "p2p_go_he=%d\n", config->p2p_go_he);
1277 if (config->p2p_go_edmg)
1278 fprintf(f, "p2p_go_edmg=%d\n", config->p2p_go_edmg);
1279 if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW)
1280 fprintf(f, "p2p_go_ctwindow=%d\n", config->p2p_go_ctwindow);
1281 if (config->p2p_disabled)
1282 fprintf(f, "p2p_disabled=%d\n", config->p2p_disabled);
1283 if (config->p2p_no_group_iface)
1284 fprintf(f, "p2p_no_group_iface=%d\n",
1285 config->p2p_no_group_iface);
1286 if (config->p2p_ignore_shared_freq)
1287 fprintf(f, "p2p_ignore_shared_freq=%d\n",
1288 config->p2p_ignore_shared_freq);
1289 if (config->p2p_cli_probe)
1290 fprintf(f, "p2p_cli_probe=%d\n", config->p2p_cli_probe);
1291 if (config->p2p_go_freq_change_policy != DEFAULT_P2P_GO_FREQ_MOVE)
1292 fprintf(f, "p2p_go_freq_change_policy=%u\n",
1293 config->p2p_go_freq_change_policy);
1294
1295 if (config->p2p_6ghz_disable)
1296 fprintf(f, "p2p_6ghz_disable=%d\n", config->p2p_6ghz_disable);
1297
1298 if (WPA_GET_BE32(config->ip_addr_go))
1299 fprintf(f, "ip_addr_go=%u.%u.%u.%u\n",
1300 config->ip_addr_go[0], config->ip_addr_go[1],
1301 config->ip_addr_go[2], config->ip_addr_go[3]);
1302 if (WPA_GET_BE32(config->ip_addr_mask))
1303 fprintf(f, "ip_addr_mask=%u.%u.%u.%u\n",
1304 config->ip_addr_mask[0], config->ip_addr_mask[1],
1305 config->ip_addr_mask[2], config->ip_addr_mask[3]);
1306 if (WPA_GET_BE32(config->ip_addr_start))
1307 fprintf(f, "ip_addr_start=%u.%u.%u.%u\n",
1308 config->ip_addr_start[0], config->ip_addr_start[1],
1309 config->ip_addr_start[2], config->ip_addr_start[3]);
1310 if (WPA_GET_BE32(config->ip_addr_end))
1311 fprintf(f, "ip_addr_end=%u.%u.%u.%u\n",
1312 config->ip_addr_end[0], config->ip_addr_end[1],
1313 config->ip_addr_end[2], config->ip_addr_end[3]);
1314 #endif /* CONFIG_P2P */
1315 if (config->country[0] && config->country[1]) {
1316 fprintf(f, "country=%c%c\n",
1317 config->country[0], config->country[1]);
1318 }
1319 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
1320 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
1321 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
1322 fprintf(f, "bss_expiration_age=%u\n",
1323 config->bss_expiration_age);
1324 if (config->bss_expiration_scan_count !=
1325 DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
1326 fprintf(f, "bss_expiration_scan_count=%u\n",
1327 config->bss_expiration_scan_count);
1328 if (config->filter_ssids)
1329 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
1330 if (config->filter_rssi)
1331 fprintf(f, "filter_rssi=%d\n", config->filter_rssi);
1332 if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
1333 fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
1334 if (config->ap_isolate != DEFAULT_AP_ISOLATE)
1335 fprintf(f, "ap_isolate=%u\n", config->ap_isolate);
1336 if (config->disassoc_low_ack)
1337 fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack);
1338 #ifdef CONFIG_HS20
1339 if (config->hs20)
1340 fprintf(f, "hs20=1\n");
1341 #endif /* CONFIG_HS20 */
1342 #ifdef CONFIG_INTERWORKING
1343 if (config->interworking)
1344 fprintf(f, "interworking=%d\n", config->interworking);
1345 if (!is_zero_ether_addr(config->hessid))
1346 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
1347 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1348 fprintf(f, "access_network_type=%d\n",
1349 config->access_network_type);
1350 if (config->go_interworking)
1351 fprintf(f, "go_interworking=%d\n", config->go_interworking);
1352 if (config->go_access_network_type)
1353 fprintf(f, "go_access_network_type=%d\n",
1354 config->go_access_network_type);
1355 if (config->go_internet)
1356 fprintf(f, "go_internet=%d\n", config->go_internet);
1357 if (config->go_venue_group)
1358 fprintf(f, "go_venue_group=%d\n", config->go_venue_group);
1359 if (config->go_venue_type)
1360 fprintf(f, "go_venue_type=%d\n", config->go_venue_type);
1361 #endif /* CONFIG_INTERWORKING */
1362 if (config->pbc_in_m1)
1363 fprintf(f, "pbc_in_m1=%d\n", config->pbc_in_m1);
1364 if (config->wps_nfc_pw_from_config) {
1365 if (config->wps_nfc_dev_pw_id)
1366 fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1367 config->wps_nfc_dev_pw_id);
1368 write_global_bin(f, "wps_nfc_dh_pubkey",
1369 config->wps_nfc_dh_pubkey);
1370 write_global_bin(f, "wps_nfc_dh_privkey",
1371 config->wps_nfc_dh_privkey);
1372 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1373 }
1374
1375 if (config->ext_password_backend)
1376 fprintf(f, "ext_password_backend=%s\n",
1377 config->ext_password_backend);
1378 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1379 fprintf(f, "p2p_go_max_inactivity=%d\n",
1380 config->p2p_go_max_inactivity);
1381 if (config->auto_interworking)
1382 fprintf(f, "auto_interworking=%d\n",
1383 config->auto_interworking);
1384 if (config->okc)
1385 fprintf(f, "okc=%d\n", config->okc);
1386 if (config->pmf)
1387 fprintf(f, "pmf=%d\n", config->pmf);
1388 if (config->dtim_period)
1389 fprintf(f, "dtim_period=%d\n", config->dtim_period);
1390 if (config->beacon_int)
1391 fprintf(f, "beacon_int=%d\n", config->beacon_int);
1392
1393 if (config->sae_check_mfp)
1394 fprintf(f, "sae_check_mfp=%d\n", config->sae_check_mfp);
1395
1396 if (config->sae_groups) {
1397 int i;
1398 fprintf(f, "sae_groups=");
1399 for (i = 0; config->sae_groups[i] > 0; i++) {
1400 fprintf(f, "%s%d", i > 0 ? " " : "",
1401 config->sae_groups[i]);
1402 }
1403 fprintf(f, "\n");
1404 }
1405
1406 if (config->sae_pwe)
1407 fprintf(f, "sae_pwe=%d\n", config->sae_pwe);
1408
1409 if (config->sae_pmkid_in_assoc)
1410 fprintf(f, "sae_pmkid_in_assoc=%d\n",
1411 config->sae_pmkid_in_assoc);
1412
1413 if (config->ap_vendor_elements) {
1414 int i, len = wpabuf_len(config->ap_vendor_elements);
1415 const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1416 if (len > 0) {
1417 fprintf(f, "ap_vendor_elements=");
1418 for (i = 0; i < len; i++)
1419 fprintf(f, "%02x", *p++);
1420 fprintf(f, "\n");
1421 }
1422 }
1423
1424 if (config->ap_assocresp_elements) {
1425 int i, len = wpabuf_len(config->ap_assocresp_elements);
1426 const u8 *p = wpabuf_head_u8(config->ap_assocresp_elements);
1427
1428 if (len > 0) {
1429 fprintf(f, "ap_assocresp_elements=");
1430 for (i = 0; i < len; i++)
1431 fprintf(f, "%02x", *p++);
1432 fprintf(f, "\n");
1433 }
1434 }
1435
1436 if (config->ignore_old_scan_res)
1437 fprintf(f, "ignore_old_scan_res=%d\n",
1438 config->ignore_old_scan_res);
1439
1440 if (config->freq_list && config->freq_list[0]) {
1441 int i;
1442 fprintf(f, "freq_list=");
1443 for (i = 0; config->freq_list[i]; i++) {
1444 fprintf(f, "%s%d", i > 0 ? " " : "",
1445 config->freq_list[i]);
1446 }
1447 fprintf(f, "\n");
1448 }
1449 if (config->initial_freq_list && config->initial_freq_list[0]) {
1450 int i;
1451 fprintf(f, "initial_freq_list=");
1452 for (i = 0; config->initial_freq_list[i]; i++) {
1453 fprintf(f, "%s%d", i > 0 ? " " : "",
1454 config->initial_freq_list[i]);
1455 }
1456 fprintf(f, "\n");
1457 }
1458 if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1459 fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
1460
1461 if (config->scan_res_valid_for_connect !=
1462 DEFAULT_SCAN_RES_VALID_FOR_CONNECT)
1463 fprintf(f, "scan_res_valid_for_connect=%d\n",
1464 config->scan_res_valid_for_connect);
1465
1466 if (config->sched_scan_interval)
1467 fprintf(f, "sched_scan_interval=%u\n",
1468 config->sched_scan_interval);
1469
1470 if (config->sched_scan_start_delay)
1471 fprintf(f, "sched_scan_start_delay=%u\n",
1472 config->sched_scan_start_delay);
1473
1474 if (config->external_sim)
1475 fprintf(f, "external_sim=%d\n", config->external_sim);
1476
1477 if (config->tdls_external_control)
1478 fprintf(f, "tdls_external_control=%d\n",
1479 config->tdls_external_control);
1480
1481 if (config->wowlan_triggers)
1482 fprintf(f, "wowlan_triggers=%s\n",
1483 config->wowlan_triggers);
1484
1485 if (config->bgscan)
1486 fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
1487
1488 if (config->autoscan)
1489 fprintf(f, "autoscan=%s\n", config->autoscan);
1490
1491 if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY)
1492 fprintf(f, "p2p_search_delay=%u\n",
1493 config->p2p_search_delay);
1494
1495 if (config->mac_addr)
1496 fprintf(f, "mac_addr=%d\n", config->mac_addr);
1497
1498 if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1499 fprintf(f, "rand_addr_lifetime=%u\n",
1500 config->rand_addr_lifetime);
1501
1502 if (config->preassoc_mac_addr)
1503 fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr);
1504
1505 if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD)
1506 fprintf(f, "key_mgmt_offload=%d\n", config->key_mgmt_offload);
1507
1508 if (config->user_mpm != DEFAULT_USER_MPM)
1509 fprintf(f, "user_mpm=%d\n", config->user_mpm);
1510
1511 if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS)
1512 fprintf(f, "max_peer_links=%d\n", config->max_peer_links);
1513
1514 if (config->cert_in_cb != DEFAULT_CERT_IN_CB)
1515 fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb);
1516
1517 if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY)
1518 fprintf(f, "mesh_max_inactivity=%d\n",
1519 config->mesh_max_inactivity);
1520
1521 if (config->mesh_fwding != DEFAULT_MESH_FWDING)
1522 fprintf(f, "mesh_fwding=%d\n", config->mesh_fwding);
1523
1524 if (config->dot11RSNASAERetransPeriod !=
1525 DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD)
1526 fprintf(f, "dot11RSNASAERetransPeriod=%d\n",
1527 config->dot11RSNASAERetransPeriod);
1528
1529 if (config->passive_scan)
1530 fprintf(f, "passive_scan=%d\n", config->passive_scan);
1531
1532 if (config->reassoc_same_bss_optim)
1533 fprintf(f, "reassoc_same_bss_optim=%d\n",
1534 config->reassoc_same_bss_optim);
1535
1536 if (config->wps_priority)
1537 fprintf(f, "wps_priority=%d\n", config->wps_priority);
1538
1539 if (config->wpa_rsc_relaxation != DEFAULT_WPA_RSC_RELAXATION)
1540 fprintf(f, "wpa_rsc_relaxation=%d\n",
1541 config->wpa_rsc_relaxation);
1542
1543 if (config->sched_scan_plans)
1544 fprintf(f, "sched_scan_plans=%s\n", config->sched_scan_plans);
1545
1546 #ifdef CONFIG_MBO
1547 if (config->non_pref_chan)
1548 fprintf(f, "non_pref_chan=%s\n", config->non_pref_chan);
1549 if (config->mbo_cell_capa != DEFAULT_MBO_CELL_CAPA)
1550 fprintf(f, "mbo_cell_capa=%u\n", config->mbo_cell_capa);
1551 if (config->disassoc_imminent_rssi_threshold !=
1552 DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD)
1553 fprintf(f, "disassoc_imminent_rssi_threshold=%d\n",
1554 config->disassoc_imminent_rssi_threshold);
1555 if (config->oce != DEFAULT_OCE_SUPPORT)
1556 fprintf(f, "oce=%u\n", config->oce);
1557 #endif /* CONFIG_MBO */
1558
1559 if (config->gas_address3)
1560 fprintf(f, "gas_address3=%d\n", config->gas_address3);
1561
1562 if (config->ftm_responder)
1563 fprintf(f, "ftm_responder=%d\n", config->ftm_responder);
1564 if (config->ftm_initiator)
1565 fprintf(f, "ftm_initiator=%d\n", config->ftm_initiator);
1566
1567 if (config->osu_dir)
1568 fprintf(f, "osu_dir=%s\n", config->osu_dir);
1569
1570 if (config->fst_group_id)
1571 fprintf(f, "fst_group_id=%s\n", config->fst_group_id);
1572 if (config->fst_priority)
1573 fprintf(f, "fst_priority=%d\n", config->fst_priority);
1574 if (config->fst_llt)
1575 fprintf(f, "fst_llt=%d\n", config->fst_llt);
1576
1577 if (config->gas_rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1578 fprintf(f, "gas_rand_addr_lifetime=%u\n",
1579 config->gas_rand_addr_lifetime);
1580 if (config->gas_rand_mac_addr)
1581 fprintf(f, "gas_rand_mac_addr=%d\n", config->gas_rand_mac_addr);
1582 if (config->dpp_config_processing)
1583 fprintf(f, "dpp_config_processing=%d\n",
1584 config->dpp_config_processing);
1585 if (config->dpp_name)
1586 fprintf(f, "dpp_name=%s\n", config->dpp_name);
1587 if (config->dpp_mud_url)
1588 fprintf(f, "dpp_mud_url=%s\n", config->dpp_mud_url);
1589 if (config->dpp_extra_conf_req_name)
1590 fprintf(f, "dpp_extra_conf_req_name=%s\n",
1591 config->dpp_extra_conf_req_name);
1592 if (config->dpp_extra_conf_req_value)
1593 fprintf(f, "dpp_extra_conf_req_value=%s\n",
1594 config->dpp_extra_conf_req_value);
1595 if (config->dpp_connector_privacy_default)
1596 fprintf(f, "dpp_connector_privacy_default=%d\n",
1597 config->dpp_connector_privacy_default);
1598 if (config->coloc_intf_reporting)
1599 fprintf(f, "coloc_intf_reporting=%d\n",
1600 config->coloc_intf_reporting);
1601 if (config->p2p_device_random_mac_addr)
1602 fprintf(f, "p2p_device_random_mac_addr=%d\n",
1603 config->p2p_device_random_mac_addr);
1604 if (!is_zero_ether_addr(config->p2p_device_persistent_mac_addr))
1605 fprintf(f, "p2p_device_persistent_mac_addr=" MACSTR "\n",
1606 MAC2STR(config->p2p_device_persistent_mac_addr));
1607 if (config->p2p_interface_random_mac_addr)
1608 fprintf(f, "p2p_interface_random_mac_addr=%d\n",
1609 config->p2p_interface_random_mac_addr);
1610 if (config->disable_btm)
1611 fprintf(f, "disable_btm=1\n");
1612 if (config->extended_key_id != DEFAULT_EXTENDED_KEY_ID)
1613 fprintf(f, "extended_key_id=%d\n",
1614 config->extended_key_id);
1615 if (config->wowlan_disconnect_on_deinit)
1616 fprintf(f, "wowlan_disconnect_on_deinit=%d\n",
1617 config->wowlan_disconnect_on_deinit);
1618 #ifdef CONFIG_TESTING_OPTIONS
1619 if (config->mld_force_single_link)
1620 fprintf(f, "mld_force_single_link=1\n");
1621 if (config->mld_connect_band_pref != MLD_CONNECT_BAND_PREF_AUTO)
1622 fprintf(f, "mld_connect_band_pref=%d\n",
1623 config->mld_connect_band_pref);
1624 if (!is_zero_ether_addr(config->mld_connect_bssid_pref))
1625 fprintf(f, "mld_connect_bssid_pref=" MACSTR "\n",
1626 MAC2STR(config->mld_connect_bssid_pref));
1627 #endif /* CONFIG_TESTING_OPTIONS */
1628 if (config->ft_prepend_pmkid)
1629 fprintf(f, "ft_prepend_pmkid=%d", config->ft_prepend_pmkid);
1630 }
1631
1632 #endif /* CONFIG_NO_CONFIG_WRITE */
1633
1634
wpa_config_write(const char * name,struct wpa_config * config)1635 int wpa_config_write(const char *name, struct wpa_config *config)
1636 {
1637 #ifndef CONFIG_NO_CONFIG_WRITE
1638 FILE *f;
1639 struct wpa_ssid *ssid;
1640 struct wpa_cred *cred;
1641 #ifndef CONFIG_NO_CONFIG_BLOBS
1642 struct wpa_config_blob *blob;
1643 #endif /* CONFIG_NO_CONFIG_BLOBS */
1644 int ret = 0;
1645 const char *orig_name = name;
1646 int tmp_len;
1647 char *tmp_name;
1648
1649 if (!name) {
1650 wpa_printf(MSG_ERROR, "No configuration file for writing");
1651 return -1;
1652 }
1653
1654 tmp_len = os_strlen(name) + 5; /* allow space for .tmp suffix */
1655 tmp_name = os_malloc(tmp_len);
1656 if (tmp_name) {
1657 os_snprintf(tmp_name, tmp_len, "%s.tmp", name);
1658 name = tmp_name;
1659 }
1660
1661 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1662
1663 f = fopen(name, "w");
1664 if (f == NULL) {
1665 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1666 os_free(tmp_name);
1667 return -1;
1668 }
1669
1670 wpa_config_write_global(f, config);
1671
1672 for (cred = config->cred; cred; cred = cred->next) {
1673 if (cred->temporary)
1674 continue;
1675 fprintf(f, "\ncred={\n");
1676 wpa_config_write_cred(f, cred);
1677 fprintf(f, "}\n");
1678 }
1679
1680 for (ssid = config->ssid; ssid; ssid = ssid->next) {
1681 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary ||
1682 ssid->ro)
1683 continue; /* do not save temporary networks */
1684 if (wpa_key_mgmt_wpa_psk_no_sae(ssid->key_mgmt) &&
1685 !ssid->psk_set && !ssid->passphrase)
1686 continue; /* do not save invalid network */
1687 if (wpa_key_mgmt_sae(ssid->key_mgmt) &&
1688 !ssid->passphrase && !ssid->sae_password)
1689 continue; /* do not save invalid network */
1690 fprintf(f, "\nnetwork={\n");
1691 wpa_config_write_network(f, ssid);
1692 fprintf(f, "}\n");
1693 }
1694
1695 #ifndef CONFIG_NO_CONFIG_BLOBS
1696 for (blob = config->blobs; blob; blob = blob->next) {
1697 ret = wpa_config_write_blob(f, blob);
1698 if (ret)
1699 break;
1700 }
1701 #endif /* CONFIG_NO_CONFIG_BLOBS */
1702
1703 os_fdatasync(f);
1704
1705 fclose(f);
1706
1707 if (tmp_name) {
1708 int chmod_ret = 0;
1709
1710 #ifdef ANDROID
1711 chmod_ret = chmod(tmp_name,
1712 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
1713 #endif /* ANDROID */
1714 if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0)
1715 ret = -1;
1716
1717 os_free(tmp_name);
1718 }
1719
1720 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1721 orig_name, ret ? "un" : "");
1722 return ret;
1723 #else /* CONFIG_NO_CONFIG_WRITE */
1724 return -1;
1725 #endif /* CONFIG_NO_CONFIG_WRITE */
1726 }
1727