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MACsec: wpa_supplicant integration
[thirdparty/hostap.git] / wpa_supplicant / config_file.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant / Configuration backend: text file
f64adcd7 3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
6fc6879b
JM		 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
15#include "common.h"
16#include "config.h"
17#include "base64.h"
f855f923 18#include "uuid.h"
21d996f7 19#include "p2p/p2p.h"
9aae09f1
JM		 20#include "eap_peer/eap_methods.h"
21#include "eap_peer/eap.h"
6fc6879b
JM		 22
23
d42bc5e1
JM		 24static int newline_terminated(const char *buf, size_t buflen)
25{
26 size_t len = os_strlen(buf);
27 if (len == 0)
28 return 0;
29 if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
30 buf[len - 1] != '\n')
31 return 0;
32 return 1;
33}
34
35
36static void skip_line_end(FILE *stream)
37{
38 char buf[100];
39 while (fgets(buf, sizeof(buf), stream)) {
40 buf[sizeof(buf) - 1] = '\0';
41 if (newline_terminated(buf, sizeof(buf)))
42 return;
43 }
44}
45
46
6fc6879b
JM		 47/**
48 * wpa_config_get_line - Read the next configuration file line
49 * @s: Buffer for the line
50 * @size: The buffer length
51 * @stream: File stream to read from
52 * @line: Pointer to a variable storing the file line number
53 * @_pos: Buffer for the pointer to the beginning of data on the text line or
54 * %NULL if not needed (returned value used instead)
55 * Returns: Pointer to the beginning of data on the text line or %NULL if no
56 * more text lines are available.
57 *
58 * This function reads the next non-empty line from the configuration file and
59 * removes comments. The returned string is guaranteed to be null-terminated.
60 */
61static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
62 char **_pos)
63{
64 char *pos, *end, *sstart;
65
66 while (fgets(s, size, stream)) {
67 (*line)++;
68 s[size - 1] = '\0';
d42bc5e1
JM		 69 if (!newline_terminated(s, size)) {
70 /*
71 * The line was truncated - skip rest of it to avoid
72 * confusing error messages.
73 */
74 wpa_printf(MSG_INFO, "Long line in configuration file "
75 "truncated");
76 skip_line_end(stream);
77 }
6fc6879b
JM		 78 pos = s;
79
80 /* Skip white space from the beginning of line. */
81 while (*pos == ' ' || *pos == '\t' || *pos == '\r')
82 pos++;
83
84 /* Skip comment lines and empty lines */
85 if (*pos == '#' || *pos == '\n' || *pos == '\0')
86 continue;
87
88 /*
89 * Remove # comments unless they are within a double quoted
90 * string.
91 */
92 sstart = os_strchr(pos, '"');
93 if (sstart)
94 sstart = os_strrchr(sstart + 1, '"');
95 if (!sstart)
96 sstart = pos;
97 end = os_strchr(sstart, '#');
98 if (end)
99 *end-- = '\0';
100 else
101 end = pos + os_strlen(pos) - 1;
102
103 /* Remove trailing white space. */
104 while (end > pos &&
105 (*end == '\n' || *end == ' ' || *end == '\t' ||
106 *end == '\r'))
107 *end-- = '\0';
108
109 if (*pos == '\0')
110 continue;
111
112 if (_pos)
113 *_pos = pos;
114 return pos;
115 }
116
117 if (_pos)
118 *_pos = NULL;
119 return NULL;
120}
121
122
123static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
124{
125 int errors = 0;
126
127 if (ssid->passphrase) {
128 if (ssid->psk_set) {
129 wpa_printf(MSG_ERROR, "Line %d: both PSK and "
130 "passphrase configured.", line);
131 errors++;
132 }
133 wpa_config_update_psk(ssid);
134 }
135
6fc6879b
JM		 136 if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
137 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
138 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
139 /* Group cipher cannot be stronger than the pairwise cipher. */
140 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
141 " list since it was not allowed for pairwise "
142 "cipher", line);
143 ssid->group_cipher &= ~WPA_CIPHER_CCMP;
144 }
145
146 return errors;
147}
148
149
150static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
151{
152 struct wpa_ssid *ssid;
153 int errors = 0, end = 0;
d42bc5e1 154 char buf[2000], *pos, *pos2;
6fc6879b
JM		 155
156 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
157 *line);
158 ssid = os_zalloc(sizeof(*ssid));
159 if (ssid == NULL)
160 return NULL;
01a57fe4 161 dl_list_init(&ssid->psk_list);
6fc6879b
JM		 162 ssid->id = id;
163
164 wpa_config_set_network_defaults(ssid);
165
166 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
167 if (os_strcmp(pos, "}") == 0) {
168 end = 1;
169 break;
170 }
171
172 pos2 = os_strchr(pos, '=');
173 if (pos2 == NULL) {
174 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
175 "'%s'.", *line, pos);
176 errors++;
177 continue;
178 }
179
180 *pos2++ = '\0';
181 if (*pos2 == '"') {
182 if (os_strchr(pos2 + 1, '"') == NULL) {
183 wpa_printf(MSG_ERROR, "Line %d: invalid "
184 "quotation '%s'.", *line, pos2);
185 errors++;
186 continue;
187 }
188 }
189
190 if (wpa_config_set(ssid, pos, pos2, *line) < 0)
191 errors++;
192 }
193
194 if (!end) {
195 wpa_printf(MSG_ERROR, "Line %d: network block was not "
196 "terminated properly.", *line);
197 errors++;
198 }
199
200 errors += wpa_config_validate_network(ssid, *line);
201
202 if (errors) {
203 wpa_config_free_ssid(ssid);
204 ssid = NULL;
205 }
206
207 return ssid;
208}
209
210
1bb7b8e8
JM		 211static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
212{
213 struct wpa_cred *cred;
214 int errors = 0, end = 0;
215 char buf[256], *pos, *pos2;
216
217 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
218 cred = os_zalloc(sizeof(*cred));
219 if (cred == NULL)
220 return NULL;
221 cred->id = id;
13f6a07e 222 cred->sim_num = DEFAULT_USER_SELECTED_SIM;
1bb7b8e8
JM		 223
224 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
225 if (os_strcmp(pos, "}") == 0) {
226 end = 1;
227 break;
228 }
229
230 pos2 = os_strchr(pos, '=');
231 if (pos2 == NULL) {
232 wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
233 "'%s'.", *line, pos);
234 errors++;
235 continue;
236 }
237
238 *pos2++ = '\0';
239 if (*pos2 == '"') {
240 if (os_strchr(pos2 + 1, '"') == NULL) {
241 wpa_printf(MSG_ERROR, "Line %d: invalid "
242 "quotation '%s'.", *line, pos2);
243 errors++;
244 continue;
245 }
246 }
247
248 if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
249 errors++;
250 }
251
252 if (!end) {
253 wpa_printf(MSG_ERROR, "Line %d: cred block was not "
254 "terminated properly.", *line);
255 errors++;
256 }
257
258 if (errors) {
259 wpa_config_free_cred(cred);
260 cred = NULL;
261 }
262
263 return cred;
264}
265
266
6fc6879b
JM		 267#ifndef CONFIG_NO_CONFIG_BLOBS
268static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
269 const char *name)
270{
271 struct wpa_config_blob *blob;
272 char buf[256], *pos;
273 unsigned char *encoded = NULL, *nencoded;
274 int end = 0;
275 size_t encoded_len = 0, len;
276
277 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
278 *line, name);
279
280 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
281 if (os_strcmp(pos, "}") == 0) {
282 end = 1;
283 break;
284 }
285
286 len = os_strlen(pos);
287 nencoded = os_realloc(encoded, encoded_len + len);
288 if (nencoded == NULL) {
289 wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
290 "blob", *line);
291 os_free(encoded);
292 return NULL;
293 }
294 encoded = nencoded;
295 os_memcpy(encoded + encoded_len, pos, len);
296 encoded_len += len;
297 }
298
299 if (!end) {
300 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
301 "properly", *line);
302 os_free(encoded);
303 return NULL;
304 }
305
306 blob = os_zalloc(sizeof(*blob));
307 if (blob == NULL) {
308 os_free(encoded);
309 return NULL;
310 }
311 blob->name = os_strdup(name);
312 blob->data = base64_decode(encoded, encoded_len, &blob->len);
313 os_free(encoded);
314
315 if (blob->name == NULL || blob->data == NULL) {
316 wpa_config_free_blob(blob);
317 return NULL;
318 }
319
320 return blob;
321}
322
323
324static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
325 int *line, char *bname)
326{
327 char *name_end;
328 struct wpa_config_blob *blob;
329
330 name_end = os_strchr(bname, '=');
331 if (name_end == NULL) {
332 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
333 *line);
334 return -1;
335 }
336 *name_end = '\0';
337
338 blob = wpa_config_read_blob(f, line, bname);
339 if (blob == NULL) {
340 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
341 *line, bname);
342 return -1;
343 }
344 wpa_config_set_blob(config, blob);
345 return 0;
346}
347#endif /* CONFIG_NO_CONFIG_BLOBS */
348
349
e6304cad 350struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp)
6fc6879b
JM		 351{
352 FILE *f;
3f2c8ba6 353 char buf[512], *pos;
6fc6879b 354 int errors = 0, line = 0;
b89962b4
JM		 355 struct wpa_ssid *ssid, *tail, *head;
356 struct wpa_cred *cred, *cred_tail, *cred_head;
6fc6879b
JM		 357 struct wpa_config *config;
358 int id = 0;
1bb7b8e8 359 int cred_id = 0;
6fc6879b 360
e6304cad
DS		 361 if (name == NULL)
362 return NULL;
363 if (cfgp)
364 config = cfgp;
365 else
366 config = wpa_config_alloc_empty(NULL, NULL);
481cac21
BG		 367 if (config == NULL) {
368 wpa_printf(MSG_ERROR, "Failed to allocate config file "
369 "structure");
6fc6879b 370 return NULL;
481cac21 371 }
b89962b4
JM		 372 tail = head = config->ssid;
373 while (tail && tail->next)
374 tail = tail->next;
375 cred_tail = cred_head = config->cred;
376 while (cred_tail && cred_tail->next)
377 cred_tail = cred_tail->next;
481cac21 378
6fc6879b
JM		 379 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
380 f = fopen(name, "r");
381 if (f == NULL) {
481cac21
BG		 382 wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
383 "error: %s", name, strerror(errno));
6fc6879b
JM		 384 os_free(config);
385 return NULL;
386 }
387
388 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
389 if (os_strcmp(pos, "network={") == 0) {
390 ssid = wpa_config_read_network(f, &line, id++);
391 if (ssid == NULL) {
392 wpa_printf(MSG_ERROR, "Line %d: failed to "
393 "parse network block.", line);
394 errors++;
395 continue;
396 }
397 if (head == NULL) {
398 head = tail = ssid;
399 } else {
400 tail->next = ssid;
401 tail = ssid;
402 }
403 if (wpa_config_add_prio_network(config, ssid)) {
404 wpa_printf(MSG_ERROR, "Line %d: failed to add "
405 "network block to priority list.",
406 line);
407 errors++;
408 continue;
409 }
1bb7b8e8
JM		 410 } else if (os_strcmp(pos, "cred={") == 0) {
411 cred = wpa_config_read_cred(f, &line, cred_id++);
412 if (cred == NULL) {
413 wpa_printf(MSG_ERROR, "Line %d: failed to "
414 "parse cred block.", line);
415 errors++;
416 continue;
417 }
418 if (cred_head == NULL) {
419 cred_head = cred_tail = cred;
420 } else {
421 cred_tail->next = cred;
422 cred_tail = cred;
423 }
6fc6879b
JM		 424#ifndef CONFIG_NO_CONFIG_BLOBS
425 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
426 if (wpa_config_process_blob(config, f, &line, pos + 12)
427 < 0) {
481cac21
BG		 428 wpa_printf(MSG_ERROR, "Line %d: failed to "
429 "process blob.", line);
6fc6879b
JM		 430 errors++;
431 continue;
432 }
433#endif /* CONFIG_NO_CONFIG_BLOBS */
434 } else if (wpa_config_process_global(config, pos, line) < 0) {
435 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
436 "line '%s'.", line, pos);
437 errors++;
438 continue;
439 }
440 }
441
442 fclose(f);
443
444 config->ssid = head;
445 wpa_config_debug_dump_networks(config);
1bb7b8e8 446 config->cred = cred_head;
6fc6879b 447
ae6e1bee 448#ifndef WPA_IGNORE_CONFIG_ERRORS
6fc6879b
JM		 449 if (errors) {
450 wpa_config_free(config);
451 config = NULL;
452 head = NULL;
453 }
ae6e1bee 454#endif /* WPA_IGNORE_CONFIG_ERRORS */
6fc6879b
JM		 455
456 return config;
457}
458
459
460#ifndef CONFIG_NO_CONFIG_WRITE
461
462static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
463{
464 char *value = wpa_config_get(ssid, field);
465 if (value == NULL)
466 return;
467 fprintf(f, "\t%s=%s\n", field, value);
468 os_free(value);
469}
470
471
472static void write_int(FILE *f, const char *field, int value, int def)
473{
474 if (value == def)
475 return;
476 fprintf(f, "\t%s=%d\n", field, value);
477}
478
479
480static void write_bssid(FILE *f, struct wpa_ssid *ssid)
481{
482 char *value = wpa_config_get(ssid, "bssid");
483 if (value == NULL)
484 return;
485 fprintf(f, "\tbssid=%s\n", value);
486 os_free(value);
487}
488
489
490static void write_psk(FILE *f, struct wpa_ssid *ssid)
491{
492 char *value = wpa_config_get(ssid, "psk");
493 if (value == NULL)
494 return;
495 fprintf(f, "\tpsk=%s\n", value);
496 os_free(value);
497}
498
499
500static void write_proto(FILE *f, struct wpa_ssid *ssid)
501{
502 char *value;
503
504 if (ssid->proto == DEFAULT_PROTO)
505 return;
506
507 value = wpa_config_get(ssid, "proto");
508 if (value == NULL)
509 return;
510 if (value[0])
511 fprintf(f, "\tproto=%s\n", value);
512 os_free(value);
513}
514
515
516static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
517{
518 char *value;
519
520 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
521 return;
522
523 value = wpa_config_get(ssid, "key_mgmt");
524 if (value == NULL)
525 return;
526 if (value[0])
527 fprintf(f, "\tkey_mgmt=%s\n", value);
528 os_free(value);
529}
530
531
532static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
533{
534 char *value;
535
536 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
537 return;
538
539 value = wpa_config_get(ssid, "pairwise");
540 if (value == NULL)
541 return;
542 if (value[0])
543 fprintf(f, "\tpairwise=%s\n", value);
544 os_free(value);
545}
546
547
548static void write_group(FILE *f, struct wpa_ssid *ssid)
549{
550 char *value;
551
552 if (ssid->group_cipher == DEFAULT_GROUP)
553 return;
554
555 value = wpa_config_get(ssid, "group");
556 if (value == NULL)
557 return;
558 if (value[0])
559 fprintf(f, "\tgroup=%s\n", value);
560 os_free(value);
561}
562
563
564static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
565{
566 char *value;
567
568 if (ssid->auth_alg == 0)
569 return;
570
571 value = wpa_config_get(ssid, "auth_alg");
572 if (value == NULL)
573 return;
574 if (value[0])
575 fprintf(f, "\tauth_alg=%s\n", value);
576 os_free(value);
577}
578
579
580#ifdef IEEE8021X_EAPOL
581static void write_eap(FILE *f, struct wpa_ssid *ssid)
582{
583 char *value;
584
585 value = wpa_config_get(ssid, "eap");
586 if (value == NULL)
587 return;
588
589 if (value[0])
590 fprintf(f, "\teap=%s\n", value);
591 os_free(value);
592}
593#endif /* IEEE8021X_EAPOL */
594
595
596static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
597{
598 char field[20], *value;
599 int res;
600
601 res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
602 if (res < 0 || (size_t) res >= sizeof(field))
603 return;
604 value = wpa_config_get(ssid, field);
605 if (value) {
606 fprintf(f, "\t%s=%s\n", field, value);
607 os_free(value);
608 }
609}
610
611
fbdcfd57 612#ifdef CONFIG_P2P
01a57fe4 613
9ec87666
JM		 614static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
615{
616 char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
617 if (value == NULL)
618 return;
619 fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
620 os_free(value);
621}
622
fbdcfd57
JM		 623static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
624{
625 char *value = wpa_config_get(ssid, "p2p_client_list");
626 if (value == NULL)
627 return;
628 fprintf(f, "\tp2p_client_list=%s\n", value);
629 os_free(value);
630}
01a57fe4
JM		 631
632
633static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
634{
635 struct psk_list_entry *psk;
636 char hex[32 * 2 + 1];
637
638 dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
639 wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
640 fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
641 psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
642 }
643}
644
fbdcfd57
JM		 645#endif /* CONFIG_P2P */
646
647
6fc6879b
JM		 648static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
649{
650 int i;
651
652#define STR(t) write_str(f, #t, ssid)
653#define INT(t) write_int(f, #t, ssid->t, 0)
654#define INTe(t) write_int(f, #t, ssid->eap.t, 0)
655#define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
656#define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
657
658 STR(ssid);
659 INT(scan_ssid);
660 write_bssid(f, ssid);
661 write_psk(f, ssid);
662 write_proto(f, ssid);
663 write_key_mgmt(f, ssid);
4f920dc6 664 INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
6fc6879b
JM		 665 write_pairwise(f, ssid);
666 write_group(f, ssid);
667 write_auth_alg(f, ssid);
af548f53 668 STR(bgscan);
1aea2ca3 669 STR(autoscan);
1a9f2471 670 STR(scan_freq);
6fc6879b
JM		 671#ifdef IEEE8021X_EAPOL
672 write_eap(f, ssid);
673 STR(identity);
674 STR(anonymous_identity);
675 STR(password);
676 STR(ca_cert);
677 STR(ca_path);
678 STR(client_cert);
679 STR(private_key);
680 STR(private_key_passwd);
681 STR(dh_file);
682 STR(subject_match);
683 STR(altsubject_match);
01f809c7 684 STR(domain_suffix_match);
6fc6879b
JM		 685 STR(ca_cert2);
686 STR(ca_path2);
687 STR(client_cert2);
688 STR(private_key2);
689 STR(private_key2_passwd);
690 STR(dh_file2);
691 STR(subject_match2);
692 STR(altsubject_match2);
01f809c7 693 STR(domain_suffix_match2);
6fc6879b
JM		 694 STR(phase1);
695 STR(phase2);
696 STR(pcsc);
697 STR(pin);
698 STR(engine_id);
699 STR(key_id);
61ee0f71
DS		 700 STR(cert_id);
701 STR(ca_cert_id);
702 STR(key2_id);
98842d51
CL		 703 STR(pin2);
704 STR(engine2_id);
61ee0f71
DS		 705 STR(cert2_id);
706 STR(ca_cert2_id);
6fc6879b 707 INTe(engine);
98842d51 708 INTe(engine2);
6fc6879b
JM		 709 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
710#endif /* IEEE8021X_EAPOL */
711 for (i = 0; i < 4; i++)
712 write_wep_key(f, i, ssid);
713 INT(wep_tx_keyidx);
714 INT(priority);
715#ifdef IEEE8021X_EAPOL
716 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
717 STR(pac_file);
718 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
cf15b15c 719 INTe(ocsp);
13f6a07e 720 INT_DEFe(sim_num, DEFAULT_USER_SELECTED_SIM);
6fc6879b
JM		 721#endif /* IEEE8021X_EAPOL */
722 INT(mode);
bca06366 723 INT(frequency);
6e202021 724 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
6fc6879b
JM		 725 INT(disabled);
726 INT(peerkey);
727#ifdef CONFIG_IEEE80211W
62d49803
JM		 728 write_int(f, "ieee80211w", ssid->ieee80211w,
729 MGMT_FRAME_PROTECTION_DEFAULT);
6fc6879b
JM		 730#endif /* CONFIG_IEEE80211W */
731 STR(id_str);
fbdcfd57 732#ifdef CONFIG_P2P
9ec87666 733 write_go_p2p_dev_addr(f, ssid);
fbdcfd57 734 write_p2p_client_list(f, ssid);
01a57fe4 735 write_psk_list(f, ssid);
fbdcfd57 736#endif /* CONFIG_P2P */
18206e02
JM		 737 INT(dtim_period);
738 INT(beacon_int);
dd10abcc
HW		 739#ifdef CONFIG_MACSEC
740 INT(macsec_policy);
741#endif /* CONFIG_MACSEC */
6fc6879b
JM		 742
743#undef STR
744#undef INT
745#undef INT_DEF
746}
747
748
f2c20751
JM		 749static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
750{
463c8ffb
JM		 751 size_t i;
752
1a712d2f
JM		 753 if (cred->priority)
754 fprintf(f, "\tpriority=%d\n", cred->priority);
d7b01abd
JM		 755 if (cred->pcsc)
756 fprintf(f, "\tpcsc=%d\n", cred->pcsc);
f2c20751
JM		 757 if (cred->realm)
758 fprintf(f, "\trealm=\"%s\"\n", cred->realm);
759 if (cred->username)
760 fprintf(f, "\tusername=\"%s\"\n", cred->username);
9aae09f1
JM		 761 if (cred->password && cred->ext_password)
762 fprintf(f, "\tpassword=ext:%s\n", cred->password);
763 else if (cred->password)
f2c20751
JM		 764 fprintf(f, "\tpassword=\"%s\"\n", cred->password);
765 if (cred->ca_cert)
766 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
9aae09f1
JM		 767 if (cred->client_cert)
768 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
769 if (cred->private_key)
770 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
771 if (cred->private_key_passwd)
772 fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
773 cred->private_key_passwd);
f2c20751
JM		 774 if (cred->imsi)
775 fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
776 if (cred->milenage)
777 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
463c8ffb
JM		 778 for (i = 0; i < cred->num_domain; i++)
779 fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
ac1bc549 780 if (cred->domain_suffix_match)
fa258a3d 781 fprintf(f, "\tdomain_suffix_match=\"%s\"\n",
ac1bc549 782 cred->domain_suffix_match);
9aae09f1 783 if (cred->roaming_consortium_len) {
9aae09f1
JM		 784 fprintf(f, "\troaming_consortium=");
785 for (i = 0; i < cred->roaming_consortium_len; i++)
786 fprintf(f, "%02x", cred->roaming_consortium[i]);
787 fprintf(f, "\n");
788 }
789 if (cred->eap_method) {
790 const char *name;
791 name = eap_get_name(cred->eap_method[0].vendor,
792 cred->eap_method[0].method);
793 fprintf(f, "\teap=%s\n", name);
794 }
795 if (cred->phase1)
796 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
797 if (cred->phase2)
798 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
dbea8ac7 799 if (cred->excluded_ssid) {
463c8ffb 800 size_t j;
dbea8ac7
JM		 801 for (i = 0; i < cred->num_excluded_ssid; i++) {
802 struct excluded_ssid *e = &cred->excluded_ssid[i];
803 fprintf(f, "\texcluded_ssid=");
804 for (j = 0; j < e->ssid_len; j++)
805 fprintf(f, "%02x", e->ssid[j]);
806 fprintf(f, "\n");
807 }
808 }
bc00053c
JM		 809 if (cred->roaming_partner) {
810 for (i = 0; i < cred->num_roaming_partner; i++) {
811 struct roaming_partner *p = &cred->roaming_partner[i];
812 fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n",
813 p->fqdn, p->exact_match, p->priority,
814 p->country);
815 }
816 }
f9cd147d
JM		 817 if (cred->update_identifier)
818 fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
aa26ba68
JM		 819
820 if (cred->provisioning_sp)
f777fd12 821 fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
74794891
JM		 822 if (cred->sp_priority)
823 fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
4cad9df1
JM		 824
825 if (cred->min_dl_bandwidth_home)
826 fprintf(f, "\tmin_dl_bandwidth_home=%u\n",
827 cred->min_dl_bandwidth_home);
828 if (cred->min_ul_bandwidth_home)
829 fprintf(f, "\tmin_ul_bandwidth_home=%u\n",
830 cred->min_ul_bandwidth_home);
831 if (cred->min_dl_bandwidth_roaming)
832 fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n",
833 cred->min_dl_bandwidth_roaming);
834 if (cred->min_ul_bandwidth_roaming)
835 fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n",
836 cred->min_ul_bandwidth_roaming);
a45b2dc5
JM		 837
838 if (cred->max_bss_load)
839 fprintf(f, "\tmax_bss_load=%u\n",
840 cred->max_bss_load);
cf6d08a6
JM		 841
842 if (cred->ocsp)
843 fprintf(f, "\tocsp=%d\n", cred->ocsp);
75aea3e7
JM		 844
845 if (cred->num_req_conn_capab) {
846 for (i = 0; i < cred->num_req_conn_capab; i++) {
847 int *ports;
848
849 fprintf(f, "\treq_conn_capab=%u",
850 cred->req_conn_capab_proto[i]);
851 ports = cred->req_conn_capab_port[i];
852 if (ports) {
853 int j;
854 for (j = 0; ports[j] != -1; j++) {
855 fprintf(f, "%s%d", j > 0 ? "," : ":",
856 ports[j]);
857 }
858 }
859 fprintf(f, "\n");
860 }
861 }
862
863 if (cred->required_roaming_consortium_len) {
864 fprintf(f, "\trequired_roaming_consortium=");
865 for (i = 0; i < cred->required_roaming_consortium_len; i++)
866 fprintf(f, "%02x",
867 cred->required_roaming_consortium[i]);
868 fprintf(f, "\n");
869 }
13f6a07e
NJ		 870
871 if (cred->sim_num != DEFAULT_USER_SELECTED_SIM)
872 fprintf(f, "\tsim_num=%d\n", cred->sim_num);
f2c20751
JM		 873}
874
875
6fc6879b
JM		 876#ifndef CONFIG_NO_CONFIG_BLOBS
877static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
878{
879 unsigned char *encoded;
880
881 encoded = base64_encode(blob->data, blob->len, NULL);
882 if (encoded == NULL)
883 return -1;
884
885 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
886 os_free(encoded);
887 return 0;
888}
889#endif /* CONFIG_NO_CONFIG_BLOBS */
890
891
3f2c8ba6
JM		 892static void write_global_bin(FILE *f, const char *field,
893 const struct wpabuf *val)
894{
895 size_t i;
896 const u8 *pos;
897
898 if (val == NULL)
899 return;
900
901 fprintf(f, "%s=", field);
902 pos = wpabuf_head(val);
903 for (i = 0; i < wpabuf_len(val); i++)
904 fprintf(f, "%02X", *pos++);
905 fprintf(f, "\n");
906}
907
908
6fc6879b
JM		 909static void wpa_config_write_global(FILE *f, struct wpa_config *config)
910{
911#ifdef CONFIG_CTRL_IFACE
912 if (config->ctrl_interface)
913 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
914 if (config->ctrl_interface_group)
915 fprintf(f, "ctrl_interface_group=%s\n",
916 config->ctrl_interface_group);
917#endif /* CONFIG_CTRL_IFACE */
918 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
919 fprintf(f, "eapol_version=%d\n", config->eapol_version);
920 if (config->ap_scan != DEFAULT_AP_SCAN)
921 fprintf(f, "ap_scan=%d\n", config->ap_scan);
54ddd743
JM		 922 if (config->disable_scan_offload)
923 fprintf(f, "disable_scan_offload=%d\n",
924 config->disable_scan_offload);
6fc6879b
JM		 925 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
926 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
6fc6879b
JM		 927 if (config->opensc_engine_path)
928 fprintf(f, "opensc_engine_path=%s\n",
929 config->opensc_engine_path);
930 if (config->pkcs11_engine_path)
931 fprintf(f, "pkcs11_engine_path=%s\n",
932 config->pkcs11_engine_path);
933 if (config->pkcs11_module_path)
934 fprintf(f, "pkcs11_module_path=%s\n",
935 config->pkcs11_module_path);
f64adcd7
JM		 936 if (config->pcsc_reader)
937 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
938 if (config->pcsc_pin)
939 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
6fc6879b
JM		 940 if (config->driver_param)
941 fprintf(f, "driver_param=%s\n", config->driver_param);
942 if (config->dot11RSNAConfigPMKLifetime)
943 fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n",
944 config->dot11RSNAConfigPMKLifetime);
945 if (config->dot11RSNAConfigPMKReauthThreshold)
946 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n",
947 config->dot11RSNAConfigPMKReauthThreshold);
948 if (config->dot11RSNAConfigSATimeout)
949 fprintf(f, "dot11RSNAConfigSATimeout=%d\n",
950 config->dot11RSNAConfigSATimeout);
951 if (config->update_config)
952 fprintf(f, "update_config=%d\n", config->update_config);
f855f923 953#ifdef CONFIG_WPS
9be09636 954 if (!is_nil_uuid(config->uuid)) {
f855f923
JM		 955 char buf[40];
956 uuid_bin2str(config->uuid, buf, sizeof(buf));
957 fprintf(f, "uuid=%s\n", buf);
958 }
3c0b7aa4
JM		 959 if (config->device_name)
960 fprintf(f, "device_name=%s\n", config->device_name);
961 if (config->manufacturer)
962 fprintf(f, "manufacturer=%s\n", config->manufacturer);
963 if (config->model_name)
964 fprintf(f, "model_name=%s\n", config->model_name);
965 if (config->model_number)
966 fprintf(f, "model_number=%s\n", config->model_number);
967 if (config->serial_number)
968 fprintf(f, "serial_number=%s\n", config->serial_number);
2f646b6e
JB		 969 {
970 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
971 buf = wps_dev_type_bin2str(config->device_type,
972 _buf, sizeof(_buf));
a769b094
JM		 973 if (os_strcmp(buf, "0-00000000-0") != 0)
974 fprintf(f, "device_type=%s\n", buf);
2f646b6e 975 }
9be09636 976 if (WPA_GET_BE32(config->os_version))
3c0b7aa4
JM		 977 fprintf(f, "os_version=%08x\n",
978 WPA_GET_BE32(config->os_version));
c0e4dd9e
JM		 979 if (config->config_methods)
980 fprintf(f, "config_methods=%s\n", config->config_methods);
47662164
JM		 981 if (config->wps_cred_processing)
982 fprintf(f, "wps_cred_processing=%d\n",
983 config->wps_cred_processing);
71dd3b78
AS		 984 if (config->wps_vendor_ext_m1) {
985 int i, len = wpabuf_len(config->wps_vendor_ext_m1);
986 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
987 if (len > 0) {
988 fprintf(f, "wps_vendor_ext_m1=");
989 for (i = 0; i < len; i++)
990 fprintf(f, "%02x", *p++);
991 fprintf(f, "\n");
992 }
993 }
f855f923 994#endif /* CONFIG_WPS */
e3768e7c
JM		 995#ifdef CONFIG_P2P
996 if (config->p2p_listen_reg_class)
997 fprintf(f, "p2p_listen_reg_class=%u\n",
998 config->p2p_listen_reg_class);
999 if (config->p2p_listen_channel)
1000 fprintf(f, "p2p_listen_channel=%u\n",
1001 config->p2p_listen_channel);
1002 if (config->p2p_oper_reg_class)
1003 fprintf(f, "p2p_oper_reg_class=%u\n",
1004 config->p2p_oper_reg_class);
1005 if (config->p2p_oper_channel)
1006 fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel);
1007 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
1008 fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent);
1009 if (config->p2p_ssid_postfix)
1010 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
1011 if (config->persistent_reconnect)
1012 fprintf(f, "persistent_reconnect=%u\n",
1013 config->persistent_reconnect);
0f66abd2
SS		 1014 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
1015 fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss);
3071e181
JM		 1016 if (config->p2p_group_idle)
1017 fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle);
21d996f7
JM		 1018 if (config->p2p_pref_chan) {
1019 unsigned int i;
1020 fprintf(f, "p2p_pref_chan=");
1021 for (i = 0; i < config->num_p2p_pref_chan; i++) {
1022 fprintf(f, "%s%u:%u", i > 0 ? "," : "",
1023 config->p2p_pref_chan[i].op_class,
1024 config->p2p_pref_chan[i].chan);
1025 }
1026 fprintf(f, "\n");
1027 }
556b30da
JM		 1028 if (config->p2p_no_go_freq.num) {
1029 char *val = freq_range_list_str(&config->p2p_no_go_freq);
1030 if (val) {
1031 fprintf(f, "p2p_no_go_freq=%s\n", val);
1032 os_free(val);
1033 }
1034 }
51e9f228
JM		 1035 if (config->p2p_add_cli_chan)
1036 fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
a93a15bb
AN		 1037 if (config->p2p_go_ht40)
1038 fprintf(f, "p2p_go_ht40=%u\n", config->p2p_go_ht40);
20ea1ca4
EP		 1039 if (config->p2p_go_vht)
1040 fprintf(f, "p2p_go_vht=%u\n", config->p2p_go_vht);
7a808c7e
JM		 1041 if (config->p2p_disabled)
1042 fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled);
d76cd41a
JM		 1043 if (config->p2p_no_group_iface)
1044 fprintf(f, "p2p_no_group_iface=%u\n",
1045 config->p2p_no_group_iface);
ef8151ac
JM		 1046 if (config->p2p_ignore_shared_freq)
1047 fprintf(f, "p2p_ignore_shared_freq=%u\n",
1048 config->p2p_ignore_shared_freq);
e3768e7c 1049#endif /* CONFIG_P2P */
315ce40a 1050 if (config->country[0] && config->country[1]) {
6d158490 1051 fprintf(f, "country=%c%c\n",
315ce40a 1052 config->country[0], config->country[1]);
6d158490 1053 }
c9c38b09
JM		 1054 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
1055 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
78633c37
SL		 1056 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
1057 fprintf(f, "bss_expiration_age=%u\n",
1058 config->bss_expiration_age);
1059 if (config->bss_expiration_scan_count !=
1060 DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
1061 fprintf(f, "bss_expiration_scan_count=%u\n",
1062 config->bss_expiration_scan_count);
3812464c
JM		 1063 if (config->filter_ssids)
1064 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
dae608d5
JM		 1065 if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
1066 fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
0d7e5a3a
JB		 1067 if (config->disassoc_low_ack)
1068 fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack);
66aadbd7
JK		 1069#ifdef CONFIG_HS20
1070 if (config->hs20)
1071 fprintf(f, "hs20=1\n");
1072#endif /* CONFIG_HS20 */
67e1b984 1073#ifdef CONFIG_INTERWORKING
46ee0427
JM		 1074 if (config->interworking)
1075 fprintf(f, "interworking=%u\n", config->interworking);
1076 if (!is_zero_ether_addr(config->hessid))
1077 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
11540c0b
JM		 1078 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1079 fprintf(f, "access_network_type=%d\n",
1080 config->access_network_type);
67e1b984 1081#endif /* CONFIG_INTERWORKING */
1298c145
WJL		 1082 if (config->pbc_in_m1)
1083 fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1);
042ec551
JM		 1084 if (config->wps_nfc_pw_from_config) {
1085 if (config->wps_nfc_dev_pw_id)
1086 fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1087 config->wps_nfc_dev_pw_id);
1088 write_global_bin(f, "wps_nfc_dh_pubkey",
1089 config->wps_nfc_dh_pubkey);
1090 write_global_bin(f, "wps_nfc_dh_privkey",
1091 config->wps_nfc_dh_privkey);
1092 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1093 }
306ae225
JM		 1094
1095 if (config->ext_password_backend)
1096 fprintf(f, "ext_password_backend=%s\n",
1097 config->ext_password_backend);
462a7439
ES		 1098 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1099 fprintf(f, "p2p_go_max_inactivity=%d\n",
1100 config->p2p_go_max_inactivity);
4d5bda5f
JM		 1101 if (config->auto_interworking)
1102 fprintf(f, "auto_interworking=%d\n",
1103 config->auto_interworking);
6e202021
JM		 1104 if (config->okc)
1105 fprintf(f, "okc=%d\n", config->okc);
62d49803
JM		 1106 if (config->pmf)
1107 fprintf(f, "pmf=%d\n", config->pmf);
18206e02
JM		 1108 if (config->dtim_period)
1109 fprintf(f, "dtim_period=%d\n", config->dtim_period);
1110 if (config->beacon_int)
1111 fprintf(f, "beacon_int=%d\n", config->beacon_int);
625f202a
JM		 1112
1113 if (config->sae_groups) {
1114 int i;
1115 fprintf(f, "sae_groups=");
1116 for (i = 0; config->sae_groups[i] >= 0; i++) {
1117 fprintf(f, "%s%d", i > 0 ? " " : "",
1118 config->sae_groups[i]);
1119 }
1120 fprintf(f, "\n");
1121 }
18a2eaab
JM		 1122
1123 if (config->ap_vendor_elements) {
1124 int i, len = wpabuf_len(config->ap_vendor_elements);
1125 const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1126 if (len > 0) {
1127 fprintf(f, "ap_vendor_elements=");
1128 for (i = 0; i < len; i++)
1129 fprintf(f, "%02x", *p++);
1130 fprintf(f, "\n");
1131 }
1132 }
4342326f
JM		 1133
1134 if (config->ignore_old_scan_res)
1135 fprintf(f, "ignore_old_scan_res=%d\n",
1136 config->ignore_old_scan_res);
f5ffc348
BG		 1137
1138 if (config->freq_list && config->freq_list[0]) {
1139 int i;
1140 fprintf(f, "freq_list=");
1141 for (i = 0; config->freq_list[i]; i++) {
1142 fprintf(f, "%s%u", i > 0 ? " " : "",
1143 config->freq_list[i]);
1144 }
1145 fprintf(f, "\n");
1146 }
6124e858
BG		 1147 if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1148 fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
4aa81868
SF		 1149
1150 if (config->sched_scan_interval)
1151 fprintf(f, "sched_scan_interval=%u\n",
1152 config->sched_scan_interval);
a5d44ac0
JM		 1153
1154 if (config->external_sim)
1155 fprintf(f, "external_sim=%d\n", config->external_sim);
800d5872
SD		 1156
1157 if (config->tdls_external_control)
1158 fprintf(f, "tdls_external_control=%d\n",
1159 config->tdls_external_control);
54ac5aa2 1160
e4fa8b12
EP		 1161 if (config->wowlan_triggers)
1162 fprintf(f, "wowlan_triggers=\"%s\"\n",
1163 config->wowlan_triggers);
1164
54ac5aa2
AB		 1165 if (config->bgscan)
1166 fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
6fc6879b
JM		 1167}
1168
1169#endif /* CONFIG_NO_CONFIG_WRITE */
1170
1171
1172int wpa_config_write(const char *name, struct wpa_config *config)
1173{
1174#ifndef CONFIG_NO_CONFIG_WRITE
1175 FILE *f;
1176 struct wpa_ssid *ssid;
f2c20751 1177 struct wpa_cred *cred;
6fc6879b
JM		 1178#ifndef CONFIG_NO_CONFIG_BLOBS
1179 struct wpa_config_blob *blob;
1180#endif /* CONFIG_NO_CONFIG_BLOBS */
1181 int ret = 0;
1182
1183 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1184
1185 f = fopen(name, "w");
1186 if (f == NULL) {
1187 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1188 return -1;
1189 }
1190
1191 wpa_config_write_global(f, config);
1192
f2c20751 1193 for (cred = config->cred; cred; cred = cred->next) {
03ed3324
JM		 1194 if (cred->temporary)
1195 continue;
f2c20751
JM		 1196 fprintf(f, "\ncred={\n");
1197 wpa_config_write_cred(f, cred);
1198 fprintf(f, "}\n");
1199 }
1200
6fc6879b 1201 for (ssid = config->ssid; ssid; ssid = ssid->next) {
2ff99b3c
JM		 1202 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
1203 continue; /* do not save temporary networks */
8e8280bd
JM		 1204 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
1205 !ssid->passphrase)
1206 continue; /* do not save invalid network */
6fc6879b
JM		 1207 fprintf(f, "\nnetwork={\n");
1208 wpa_config_write_network(f, ssid);
1209 fprintf(f, "}\n");
1210 }
1211
1212#ifndef CONFIG_NO_CONFIG_BLOBS
1213 for (blob = config->blobs; blob; blob = blob->next) {
1214 ret = wpa_config_write_blob(f, blob);
1215 if (ret)
1216 break;
1217 }
1218#endif /* CONFIG_NO_CONFIG_BLOBS */
1219
1220 fclose(f);
1221
1222 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1223 name, ret ? "un" : "");
1224 return ret;
1225#else /* CONFIG_NO_CONFIG_WRITE */
1226 return -1;
1227#endif /* CONFIG_NO_CONFIG_WRITE */
1228}
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