1 /*
2 * WPA Supplicant / Configuration backend: text file
3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 *
8 * This file implements a configuration backend for text files. All the
9 * configuration information is stored in a text file that uses a format
10 * described in the sample configuration file, wpa_supplicant.conf.
11 */
12
13 #include "includes.h"
14 #ifdef ANDROID
15 #include <sys/stat.h>
16 #endif /* ANDROID */
17
18 #include "common.h"
19 #include "config.h"
20 #include "base64.h"
21 #include "uuid.h"
22 #include "p2p/p2p.h"
23 #include "eap_peer/eap_methods.h"
24 #include "eap_peer/eap.h"
25
26
newline_terminated(const char * buf,size_t buflen)27 static int newline_terminated(const char *buf, size_t buflen)
28 {
29 size_t len = os_strlen(buf);
30 if (len == 0)
31 return 0;
32 if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
33 buf[len - 1] != '\n')
34 return 0;
35 return 1;
36 }
37
38
skip_line_end(FILE * stream)39 static void skip_line_end(FILE *stream)
40 {
41 char buf[100];
42 while (fgets(buf, sizeof(buf), stream)) {
43 buf[sizeof(buf) - 1] = '\0';
44 if (newline_terminated(buf, sizeof(buf)))
45 return;
46 }
47 }
48
49
50 /**
51 * wpa_config_get_line - Read the next configuration file line
52 * @s: Buffer for the line
53 * @size: The buffer length
54 * @stream: File stream to read from
55 * @line: Pointer to a variable storing the file line number
56 * @_pos: Buffer for the pointer to the beginning of data on the text line or
57 * %NULL if not needed (returned value used instead)
58 * Returns: Pointer to the beginning of data on the text line or %NULL if no
59 * more text lines are available.
60 *
61 * This function reads the next non-empty line from the configuration file and
62 * removes comments. The returned string is guaranteed to be null-terminated.
63 */
wpa_config_get_line(char * s,int size,FILE * stream,int * line,char ** _pos)64 static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
65 char **_pos)
66 {
67 char *pos, *end, *sstart;
68
69 while (fgets(s, size, stream)) {
70 (*line)++;
71 s[size - 1] = '\0';
72 if (!newline_terminated(s, size)) {
73 /*
74 * The line was truncated - skip rest of it to avoid
75 * confusing error messages.
76 */
77 wpa_printf(MSG_INFO, "Long line in configuration file "
78 "truncated");
79 skip_line_end(stream);
80 }
81 pos = s;
82
83 /* Skip white space from the beginning of line. */
84 while (*pos == ' ' || *pos == '\t' || *pos == '\r')
85 pos++;
86
87 /* Skip comment lines and empty lines */
88 if (*pos == '#' || *pos == '\n' || *pos == '\0')
89 continue;
90
91 /*
92 * Remove # comments unless they are within a double quoted
93 * string.
94 */
95 sstart = os_strchr(pos, '"');
96 if (sstart)
97 sstart = os_strrchr(sstart + 1, '"');
98 if (!sstart)
99 sstart = pos;
100 end = os_strchr(sstart, '#');
101 if (end)
102 *end-- = '\0';
103 else
104 end = pos + os_strlen(pos) - 1;
105
106 /* Remove trailing white space. */
107 while (end > pos &&
108 (*end == '\n' || *end == ' ' || *end == '\t' ||
109 *end == '\r'))
110 *end-- = '\0';
111
112 if (*pos == '\0')
113 continue;
114
115 if (_pos)
116 *_pos = pos;
117 return pos;
118 }
119
120 if (_pos)
121 *_pos = NULL;
122 return NULL;
123 }
124
125
wpa_config_validate_network(struct wpa_ssid * ssid,int line)126 static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
127 {
128 int errors = 0;
129
130 if (ssid->passphrase) {
131 if (ssid->psk_set) {
132 wpa_printf(MSG_ERROR, "Line %d: both PSK and "
133 "passphrase configured.", line);
134 errors++;
135 }
136 wpa_config_update_psk(ssid);
137 }
138
139 if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
140 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
141 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
142 /* Group cipher cannot be stronger than the pairwise cipher. */
143 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
144 " list since it was not allowed for pairwise "
145 "cipher", line);
146 ssid->group_cipher &= ~WPA_CIPHER_CCMP;
147 }
148
149 if (ssid->mode == WPAS_MODE_MESH &&
150 (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
151 ssid->key_mgmt != WPA_KEY_MGMT_SAE)) {
152 wpa_printf(MSG_ERROR,
153 "Line %d: key_mgmt for mesh network should be open or SAE",
154 line);
155 errors++;
156 }
157
158 return errors;
159 }
160
161
wpa_config_read_network(FILE * f,int * line,int id)162 static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
163 {
164 struct wpa_ssid *ssid;
165 int errors = 0, end = 0;
166 char buf[2000], *pos, *pos2;
167
168 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
169 *line);
170 ssid = os_zalloc(sizeof(*ssid));
171 if (ssid == NULL)
172 return NULL;
173 dl_list_init(&ssid->psk_list);
174 ssid->id = id;
175
176 wpa_config_set_network_defaults(ssid);
177
178 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
179 if (os_strcmp(pos, "}") == 0) {
180 end = 1;
181 break;
182 }
183
184 pos2 = os_strchr(pos, '=');
185 if (pos2 == NULL) {
186 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
187 "'%s'.", *line, pos);
188 errors++;
189 continue;
190 }
191
192 *pos2++ = '\0';
193 if (*pos2 == '"') {
194 if (os_strchr(pos2 + 1, '"') == NULL) {
195 wpa_printf(MSG_ERROR, "Line %d: invalid "
196 "quotation '%s'.", *line, pos2);
197 errors++;
198 continue;
199 }
200 }
201
202 if (wpa_config_set(ssid, pos, pos2, *line) < 0)
203 errors++;
204 }
205
206 if (!end) {
207 wpa_printf(MSG_ERROR, "Line %d: network block was not "
208 "terminated properly.", *line);
209 errors++;
210 }
211
212 errors += wpa_config_validate_network(ssid, *line);
213
214 if (errors) {
215 wpa_config_free_ssid(ssid);
216 ssid = NULL;
217 }
218
219 return ssid;
220 }
221
222
wpa_config_read_cred(FILE * f,int * line,int id)223 static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
224 {
225 struct wpa_cred *cred;
226 int errors = 0, end = 0;
227 char buf[256], *pos, *pos2;
228
229 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
230 cred = os_zalloc(sizeof(*cred));
231 if (cred == NULL)
232 return NULL;
233 cred->id = id;
234 cred->sim_num = DEFAULT_USER_SELECTED_SIM;
235
236 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
237 if (os_strcmp(pos, "}") == 0) {
238 end = 1;
239 break;
240 }
241
242 pos2 = os_strchr(pos, '=');
243 if (pos2 == NULL) {
244 wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
245 "'%s'.", *line, pos);
246 errors++;
247 continue;
248 }
249
250 *pos2++ = '\0';
251 if (*pos2 == '"') {
252 if (os_strchr(pos2 + 1, '"') == NULL) {
253 wpa_printf(MSG_ERROR, "Line %d: invalid "
254 "quotation '%s'.", *line, pos2);
255 errors++;
256 continue;
257 }
258 }
259
260 if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
261 errors++;
262 }
263
264 if (!end) {
265 wpa_printf(MSG_ERROR, "Line %d: cred block was not "
266 "terminated properly.", *line);
267 errors++;
268 }
269
270 if (errors) {
271 wpa_config_free_cred(cred);
272 cred = NULL;
273 }
274
275 return cred;
276 }
277
278
279 #ifndef CONFIG_NO_CONFIG_BLOBS
wpa_config_read_blob(FILE * f,int * line,const char * name)280 static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
281 const char *name)
282 {
283 struct wpa_config_blob *blob;
284 char buf[256], *pos;
285 unsigned char *encoded = NULL, *nencoded;
286 int end = 0;
287 size_t encoded_len = 0, len;
288
289 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
290 *line, name);
291
292 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
293 if (os_strcmp(pos, "}") == 0) {
294 end = 1;
295 break;
296 }
297
298 len = os_strlen(pos);
299 nencoded = os_realloc(encoded, encoded_len + len);
300 if (nencoded == NULL) {
301 wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
302 "blob", *line);
303 os_free(encoded);
304 return NULL;
305 }
306 encoded = nencoded;
307 os_memcpy(encoded + encoded_len, pos, len);
308 encoded_len += len;
309 }
310
311 if (!end) {
312 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
313 "properly", *line);
314 os_free(encoded);
315 return NULL;
316 }
317
318 blob = os_zalloc(sizeof(*blob));
319 if (blob == NULL) {
320 os_free(encoded);
321 return NULL;
322 }
323 blob->name = os_strdup(name);
324 blob->data = base64_decode(encoded, encoded_len, &blob->len);
325 os_free(encoded);
326
327 if (blob->name == NULL || blob->data == NULL) {
328 wpa_config_free_blob(blob);
329 return NULL;
330 }
331
332 return blob;
333 }
334
335
wpa_config_process_blob(struct wpa_config * config,FILE * f,int * line,char * bname)336 static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
337 int *line, char *bname)
338 {
339 char *name_end;
340 struct wpa_config_blob *blob;
341
342 name_end = os_strchr(bname, '=');
343 if (name_end == NULL) {
344 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
345 *line);
346 return -1;
347 }
348 *name_end = '\0';
349
350 blob = wpa_config_read_blob(f, line, bname);
351 if (blob == NULL) {
352 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
353 *line, bname);
354 return -1;
355 }
356 wpa_config_set_blob(config, blob);
357 return 0;
358 }
359 #endif /* CONFIG_NO_CONFIG_BLOBS */
360
361
wpa_config_read(const char * name,struct wpa_config * cfgp)362 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp)
363 {
364 FILE *f;
365 char buf[512], *pos;
366 int errors = 0, line = 0;
367 struct wpa_ssid *ssid, *tail, *head;
368 struct wpa_cred *cred, *cred_tail, *cred_head;
369 struct wpa_config *config;
370 int id = 0;
371 int cred_id = 0;
372
373 if (name == NULL)
374 return NULL;
375 if (cfgp)
376 config = cfgp;
377 else
378 config = wpa_config_alloc_empty(NULL, NULL);
379 if (config == NULL) {
380 wpa_printf(MSG_ERROR, "Failed to allocate config file "
381 "structure");
382 return NULL;
383 }
384 tail = head = config->ssid;
385 while (tail && tail->next)
386 tail = tail->next;
387 cred_tail = cred_head = config->cred;
388 while (cred_tail && cred_tail->next)
389 cred_tail = cred_tail->next;
390
391 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
392 f = fopen(name, "r");
393 if (f == NULL) {
394 wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
395 "error: %s", name, strerror(errno));
396 os_free(config);
397 return NULL;
398 }
399
400 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
401 if (os_strcmp(pos, "network={") == 0) {
402 ssid = wpa_config_read_network(f, &line, id++);
403 if (ssid == NULL) {
404 wpa_printf(MSG_ERROR, "Line %d: failed to "
405 "parse network block.", line);
406 errors++;
407 continue;
408 }
409 if (head == NULL) {
410 head = tail = ssid;
411 } else {
412 tail->next = ssid;
413 tail = ssid;
414 }
415 if (wpa_config_add_prio_network(config, ssid)) {
416 wpa_printf(MSG_ERROR, "Line %d: failed to add "
417 "network block to priority list.",
418 line);
419 errors++;
420 continue;
421 }
422 } else if (os_strcmp(pos, "cred={") == 0) {
423 cred = wpa_config_read_cred(f, &line, cred_id++);
424 if (cred == NULL) {
425 wpa_printf(MSG_ERROR, "Line %d: failed to "
426 "parse cred block.", line);
427 errors++;
428 continue;
429 }
430 if (cred_head == NULL) {
431 cred_head = cred_tail = cred;
432 } else {
433 cred_tail->next = cred;
434 cred_tail = cred;
435 }
436 #ifndef CONFIG_NO_CONFIG_BLOBS
437 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
438 if (wpa_config_process_blob(config, f, &line, pos + 12)
439 < 0) {
440 wpa_printf(MSG_ERROR, "Line %d: failed to "
441 "process blob.", line);
442 errors++;
443 continue;
444 }
445 #endif /* CONFIG_NO_CONFIG_BLOBS */
446 } else if (wpa_config_process_global(config, pos, line) < 0) {
447 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
448 "line '%s'.", line, pos);
449 errors++;
450 continue;
451 }
452 }
453
454 fclose(f);
455
456 config->ssid = head;
457 wpa_config_debug_dump_networks(config);
458 config->cred = cred_head;
459
460 #ifndef WPA_IGNORE_CONFIG_ERRORS
461 if (errors) {
462 wpa_config_free(config);
463 config = NULL;
464 head = NULL;
465 }
466 #endif /* WPA_IGNORE_CONFIG_ERRORS */
467
468 return config;
469 }
470
471
472 #ifndef CONFIG_NO_CONFIG_WRITE
473
write_str(FILE * f,const char * field,struct wpa_ssid * ssid)474 static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
475 {
476 char *value = wpa_config_get(ssid, field);
477 if (value == NULL)
478 return;
479 fprintf(f, "\t%s=%s\n", field, value);
480 os_free(value);
481 }
482
483
write_int(FILE * f,const char * field,int value,int def)484 static void write_int(FILE *f, const char *field, int value, int def)
485 {
486 if (value == def)
487 return;
488 fprintf(f, "\t%s=%d\n", field, value);
489 }
490
491
write_bssid(FILE * f,struct wpa_ssid * ssid)492 static void write_bssid(FILE *f, struct wpa_ssid *ssid)
493 {
494 char *value = wpa_config_get(ssid, "bssid");
495 if (value == NULL)
496 return;
497 fprintf(f, "\tbssid=%s\n", value);
498 os_free(value);
499 }
500
501
write_psk(FILE * f,struct wpa_ssid * ssid)502 static void write_psk(FILE *f, struct wpa_ssid *ssid)
503 {
504 char *value;
505
506 if (ssid->mem_only_psk)
507 return;
508
509 value = wpa_config_get(ssid, "psk");
510 if (value == NULL)
511 return;
512 fprintf(f, "\tpsk=%s\n", value);
513 os_free(value);
514 }
515
516
write_proto(FILE * f,struct wpa_ssid * ssid)517 static void write_proto(FILE *f, struct wpa_ssid *ssid)
518 {
519 char *value;
520
521 if (ssid->proto == DEFAULT_PROTO)
522 return;
523
524 value = wpa_config_get(ssid, "proto");
525 if (value == NULL)
526 return;
527 if (value[0])
528 fprintf(f, "\tproto=%s\n", value);
529 os_free(value);
530 }
531
532
write_key_mgmt(FILE * f,struct wpa_ssid * ssid)533 static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
534 {
535 char *value;
536
537 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
538 return;
539
540 value = wpa_config_get(ssid, "key_mgmt");
541 if (value == NULL)
542 return;
543 if (value[0])
544 fprintf(f, "\tkey_mgmt=%s\n", value);
545 os_free(value);
546 }
547
548
write_pairwise(FILE * f,struct wpa_ssid * ssid)549 static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
550 {
551 char *value;
552
553 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
554 return;
555
556 value = wpa_config_get(ssid, "pairwise");
557 if (value == NULL)
558 return;
559 if (value[0])
560 fprintf(f, "\tpairwise=%s\n", value);
561 os_free(value);
562 }
563
564
write_group(FILE * f,struct wpa_ssid * ssid)565 static void write_group(FILE *f, struct wpa_ssid *ssid)
566 {
567 char *value;
568
569 if (ssid->group_cipher == DEFAULT_GROUP)
570 return;
571
572 value = wpa_config_get(ssid, "group");
573 if (value == NULL)
574 return;
575 if (value[0])
576 fprintf(f, "\tgroup=%s\n", value);
577 os_free(value);
578 }
579
580
write_auth_alg(FILE * f,struct wpa_ssid * ssid)581 static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
582 {
583 char *value;
584
585 if (ssid->auth_alg == 0)
586 return;
587
588 value = wpa_config_get(ssid, "auth_alg");
589 if (value == NULL)
590 return;
591 if (value[0])
592 fprintf(f, "\tauth_alg=%s\n", value);
593 os_free(value);
594 }
595
596
597 #ifdef IEEE8021X_EAPOL
write_eap(FILE * f,struct wpa_ssid * ssid)598 static void write_eap(FILE *f, struct wpa_ssid *ssid)
599 {
600 char *value;
601
602 value = wpa_config_get(ssid, "eap");
603 if (value == NULL)
604 return;
605
606 if (value[0])
607 fprintf(f, "\teap=%s\n", value);
608 os_free(value);
609 }
610 #endif /* IEEE8021X_EAPOL */
611
612
write_wep_key(FILE * f,int idx,struct wpa_ssid * ssid)613 static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
614 {
615 char field[20], *value;
616 int res;
617
618 res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
619 if (os_snprintf_error(sizeof(field), res))
620 return;
621 value = wpa_config_get(ssid, field);
622 if (value) {
623 fprintf(f, "\t%s=%s\n", field, value);
624 os_free(value);
625 }
626 }
627
628
629 #ifdef CONFIG_P2P
630
write_go_p2p_dev_addr(FILE * f,struct wpa_ssid * ssid)631 static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
632 {
633 char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
634 if (value == NULL)
635 return;
636 fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
637 os_free(value);
638 }
639
write_p2p_client_list(FILE * f,struct wpa_ssid * ssid)640 static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
641 {
642 char *value = wpa_config_get(ssid, "p2p_client_list");
643 if (value == NULL)
644 return;
645 fprintf(f, "\tp2p_client_list=%s\n", value);
646 os_free(value);
647 }
648
649
write_psk_list(FILE * f,struct wpa_ssid * ssid)650 static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
651 {
652 struct psk_list_entry *psk;
653 char hex[32 * 2 + 1];
654
655 dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
656 wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
657 fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
658 psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
659 }
660 }
661
662 #endif /* CONFIG_P2P */
663
664
wpa_config_write_network(FILE * f,struct wpa_ssid * ssid)665 static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
666 {
667 int i;
668
669 #define STR(t) write_str(f, #t, ssid)
670 #define INT(t) write_int(f, #t, ssid->t, 0)
671 #define INTe(t) write_int(f, #t, ssid->eap.t, 0)
672 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
673 #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
674
675 STR(ssid);
676 INT(scan_ssid);
677 write_bssid(f, ssid);
678 write_str(f, "bssid_blacklist", ssid);
679 write_str(f, "bssid_whitelist", ssid);
680 write_psk(f, ssid);
681 INT(mem_only_psk);
682 write_proto(f, ssid);
683 write_key_mgmt(f, ssid);
684 INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
685 write_pairwise(f, ssid);
686 write_group(f, ssid);
687 write_auth_alg(f, ssid);
688 STR(bgscan);
689 STR(autoscan);
690 STR(scan_freq);
691 #ifdef IEEE8021X_EAPOL
692 write_eap(f, ssid);
693 STR(identity);
694 STR(anonymous_identity);
695 STR(password);
696 STR(ca_cert);
697 STR(ca_path);
698 STR(client_cert);
699 STR(private_key);
700 STR(private_key_passwd);
701 STR(dh_file);
702 STR(subject_match);
703 STR(altsubject_match);
704 STR(domain_suffix_match);
705 STR(domain_match);
706 STR(ca_cert2);
707 STR(ca_path2);
708 STR(client_cert2);
709 STR(private_key2);
710 STR(private_key2_passwd);
711 STR(dh_file2);
712 STR(subject_match2);
713 STR(altsubject_match2);
714 STR(domain_suffix_match2);
715 STR(domain_match2);
716 STR(phase1);
717 STR(phase2);
718 STR(pcsc);
719 STR(pin);
720 STR(engine_id);
721 STR(key_id);
722 STR(cert_id);
723 STR(ca_cert_id);
724 STR(key2_id);
725 STR(pin2);
726 STR(engine2_id);
727 STR(cert2_id);
728 STR(ca_cert2_id);
729 INTe(engine);
730 INTe(engine2);
731 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
732 STR(openssl_ciphers);
733 INTe(erp);
734 #endif /* IEEE8021X_EAPOL */
735 for (i = 0; i < 4; i++)
736 write_wep_key(f, i, ssid);
737 INT(wep_tx_keyidx);
738 INT(priority);
739 #ifdef IEEE8021X_EAPOL
740 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
741 STR(pac_file);
742 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
743 INTe(ocsp);
744 INT_DEFe(sim_num, DEFAULT_USER_SELECTED_SIM);
745 #endif /* IEEE8021X_EAPOL */
746 INT(mode);
747 INT(no_auto_peer);
748 INT(frequency);
749 INT(fixed_freq);
750 #ifdef CONFIG_ACS
751 INT(acs);
752 #endif /* CONFIG_ACS */
753 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
754 INT(disabled);
755 INT(peerkey);
756 INT(mixed_cell);
757 INT(max_oper_chwidth);
758 INT(pbss);
759 #ifdef CONFIG_IEEE80211W
760 write_int(f, "ieee80211w", ssid->ieee80211w,
761 MGMT_FRAME_PROTECTION_DEFAULT);
762 #endif /* CONFIG_IEEE80211W */
763 STR(id_str);
764 #ifdef CONFIG_P2P
765 write_go_p2p_dev_addr(f, ssid);
766 write_p2p_client_list(f, ssid);
767 write_psk_list(f, ssid);
768 #endif /* CONFIG_P2P */
769 INT(ap_max_inactivity);
770 INT(dtim_period);
771 INT(beacon_int);
772 #ifdef CONFIG_MACSEC
773 INT(macsec_policy);
774 #endif /* CONFIG_MACSEC */
775 #ifdef CONFIG_HS20
776 INT(update_identifier);
777 #endif /* CONFIG_HS20 */
778 write_int(f, "mac_addr", ssid->mac_addr, -1);
779 #ifdef CONFIG_MESH
780 STR(mesh_basic_rates);
781 INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES);
782 INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT);
783 INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT);
784 INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT);
785 #endif /* CONFIG_MESH */
786 INT(wpa_ptk_rekey);
787 INT(ignore_broadcast_ssid);
788 #ifdef CONFIG_HT_OVERRIDES
789 INT_DEF(disable_ht, DEFAULT_DISABLE_HT);
790 INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40);
791 INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI);
792 INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC);
793 INT(ht40_intolerant);
794 INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU);
795 INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR);
796 INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY);
797 STR(ht_mcs);
798 #endif /* CONFIG_HT_OVERRIDES */
799 #ifdef CONFIG_VHT_OVERRIDES
800 INT(disable_vht);
801 INT(vht_capa);
802 INT(vht_capa_mask);
803 INT_DEF(vht_rx_mcs_nss_1, -1);
804 INT_DEF(vht_rx_mcs_nss_2, -1);
805 INT_DEF(vht_rx_mcs_nss_3, -1);
806 INT_DEF(vht_rx_mcs_nss_4, -1);
807 INT_DEF(vht_rx_mcs_nss_5, -1);
808 INT_DEF(vht_rx_mcs_nss_6, -1);
809 INT_DEF(vht_rx_mcs_nss_7, -1);
810 INT_DEF(vht_rx_mcs_nss_8, -1);
811 INT_DEF(vht_tx_mcs_nss_1, -1);
812 INT_DEF(vht_tx_mcs_nss_2, -1);
813 INT_DEF(vht_tx_mcs_nss_3, -1);
814 INT_DEF(vht_tx_mcs_nss_4, -1);
815 INT_DEF(vht_tx_mcs_nss_5, -1);
816 INT_DEF(vht_tx_mcs_nss_6, -1);
817 INT_DEF(vht_tx_mcs_nss_7, -1);
818 INT_DEF(vht_tx_mcs_nss_8, -1);
819 #endif /* CONFIG_VHT_OVERRIDES */
820
821 #undef STR
822 #undef INT
823 #undef INT_DEF
824 }
825
826
wpa_config_write_cred(FILE * f,struct wpa_cred * cred)827 static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
828 {
829 size_t i;
830
831 if (cred->priority)
832 fprintf(f, "\tpriority=%d\n", cred->priority);
833 if (cred->pcsc)
834 fprintf(f, "\tpcsc=%d\n", cred->pcsc);
835 if (cred->realm)
836 fprintf(f, "\trealm=\"%s\"\n", cred->realm);
837 if (cred->username)
838 fprintf(f, "\tusername=\"%s\"\n", cred->username);
839 if (cred->password && cred->ext_password)
840 fprintf(f, "\tpassword=ext:%s\n", cred->password);
841 else if (cred->password)
842 fprintf(f, "\tpassword=\"%s\"\n", cred->password);
843 if (cred->ca_cert)
844 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
845 if (cred->client_cert)
846 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
847 if (cred->private_key)
848 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
849 if (cred->private_key_passwd)
850 fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
851 cred->private_key_passwd);
852 if (cred->imsi)
853 fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
854 if (cred->milenage)
855 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
856 for (i = 0; i < cred->num_domain; i++)
857 fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
858 if (cred->domain_suffix_match)
859 fprintf(f, "\tdomain_suffix_match=\"%s\"\n",
860 cred->domain_suffix_match);
861 if (cred->roaming_consortium_len) {
862 fprintf(f, "\troaming_consortium=");
863 for (i = 0; i < cred->roaming_consortium_len; i++)
864 fprintf(f, "%02x", cred->roaming_consortium[i]);
865 fprintf(f, "\n");
866 }
867 if (cred->eap_method) {
868 const char *name;
869 name = eap_get_name(cred->eap_method[0].vendor,
870 cred->eap_method[0].method);
871 if (name)
872 fprintf(f, "\teap=%s\n", name);
873 }
874 if (cred->phase1)
875 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
876 if (cred->phase2)
877 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
878 if (cred->excluded_ssid) {
879 size_t j;
880 for (i = 0; i < cred->num_excluded_ssid; i++) {
881 struct excluded_ssid *e = &cred->excluded_ssid[i];
882 fprintf(f, "\texcluded_ssid=");
883 for (j = 0; j < e->ssid_len; j++)
884 fprintf(f, "%02x", e->ssid[j]);
885 fprintf(f, "\n");
886 }
887 }
888 if (cred->roaming_partner) {
889 for (i = 0; i < cred->num_roaming_partner; i++) {
890 struct roaming_partner *p = &cred->roaming_partner[i];
891 fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n",
892 p->fqdn, p->exact_match, p->priority,
893 p->country);
894 }
895 }
896 if (cred->update_identifier)
897 fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
898
899 if (cred->provisioning_sp)
900 fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
901 if (cred->sp_priority)
902 fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
903
904 if (cred->min_dl_bandwidth_home)
905 fprintf(f, "\tmin_dl_bandwidth_home=%u\n",
906 cred->min_dl_bandwidth_home);
907 if (cred->min_ul_bandwidth_home)
908 fprintf(f, "\tmin_ul_bandwidth_home=%u\n",
909 cred->min_ul_bandwidth_home);
910 if (cred->min_dl_bandwidth_roaming)
911 fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n",
912 cred->min_dl_bandwidth_roaming);
913 if (cred->min_ul_bandwidth_roaming)
914 fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n",
915 cred->min_ul_bandwidth_roaming);
916
917 if (cred->max_bss_load)
918 fprintf(f, "\tmax_bss_load=%u\n",
919 cred->max_bss_load);
920
921 if (cred->ocsp)
922 fprintf(f, "\tocsp=%d\n", cred->ocsp);
923
924 if (cred->num_req_conn_capab) {
925 for (i = 0; i < cred->num_req_conn_capab; i++) {
926 int *ports;
927
928 fprintf(f, "\treq_conn_capab=%u",
929 cred->req_conn_capab_proto[i]);
930 ports = cred->req_conn_capab_port[i];
931 if (ports) {
932 int j;
933 for (j = 0; ports[j] != -1; j++) {
934 fprintf(f, "%s%d", j > 0 ? "," : ":",
935 ports[j]);
936 }
937 }
938 fprintf(f, "\n");
939 }
940 }
941
942 if (cred->required_roaming_consortium_len) {
943 fprintf(f, "\trequired_roaming_consortium=");
944 for (i = 0; i < cred->required_roaming_consortium_len; i++)
945 fprintf(f, "%02x",
946 cred->required_roaming_consortium[i]);
947 fprintf(f, "\n");
948 }
949
950 if (cred->sim_num != DEFAULT_USER_SELECTED_SIM)
951 fprintf(f, "\tsim_num=%d\n", cred->sim_num);
952 }
953
954
955 #ifndef CONFIG_NO_CONFIG_BLOBS
wpa_config_write_blob(FILE * f,struct wpa_config_blob * blob)956 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
957 {
958 unsigned char *encoded;
959
960 encoded = base64_encode(blob->data, blob->len, NULL);
961 if (encoded == NULL)
962 return -1;
963
964 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
965 os_free(encoded);
966 return 0;
967 }
968 #endif /* CONFIG_NO_CONFIG_BLOBS */
969
970
write_global_bin(FILE * f,const char * field,const struct wpabuf * val)971 static void write_global_bin(FILE *f, const char *field,
972 const struct wpabuf *val)
973 {
974 size_t i;
975 const u8 *pos;
976
977 if (val == NULL)
978 return;
979
980 fprintf(f, "%s=", field);
981 pos = wpabuf_head(val);
982 for (i = 0; i < wpabuf_len(val); i++)
983 fprintf(f, "%02X", *pos++);
984 fprintf(f, "\n");
985 }
986
987
wpa_config_write_global(FILE * f,struct wpa_config * config)988 static void wpa_config_write_global(FILE *f, struct wpa_config *config)
989 {
990 #ifdef CONFIG_CTRL_IFACE
991 if (config->ctrl_interface)
992 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
993 if (config->ctrl_interface_group)
994 fprintf(f, "ctrl_interface_group=%s\n",
995 config->ctrl_interface_group);
996 #endif /* CONFIG_CTRL_IFACE */
997 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
998 fprintf(f, "eapol_version=%d\n", config->eapol_version);
999 if (config->ap_scan != DEFAULT_AP_SCAN)
1000 fprintf(f, "ap_scan=%d\n", config->ap_scan);
1001 if (config->disable_scan_offload)
1002 fprintf(f, "disable_scan_offload=%d\n",
1003 config->disable_scan_offload);
1004 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
1005 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
1006 if (config->opensc_engine_path)
1007 fprintf(f, "opensc_engine_path=%s\n",
1008 config->opensc_engine_path);
1009 if (config->pkcs11_engine_path)
1010 fprintf(f, "pkcs11_engine_path=%s\n",
1011 config->pkcs11_engine_path);
1012 if (config->pkcs11_module_path)
1013 fprintf(f, "pkcs11_module_path=%s\n",
1014 config->pkcs11_module_path);
1015 if (config->openssl_ciphers)
1016 fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers);
1017 if (config->pcsc_reader)
1018 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
1019 if (config->pcsc_pin)
1020 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
1021 if (config->driver_param)
1022 fprintf(f, "driver_param=%s\n", config->driver_param);
1023 if (config->dot11RSNAConfigPMKLifetime)
1024 fprintf(f, "dot11RSNAConfigPMKLifetime=%u\n",
1025 config->dot11RSNAConfigPMKLifetime);
1026 if (config->dot11RSNAConfigPMKReauthThreshold)
1027 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%u\n",
1028 config->dot11RSNAConfigPMKReauthThreshold);
1029 if (config->dot11RSNAConfigSATimeout)
1030 fprintf(f, "dot11RSNAConfigSATimeout=%u\n",
1031 config->dot11RSNAConfigSATimeout);
1032 if (config->update_config)
1033 fprintf(f, "update_config=%d\n", config->update_config);
1034 #ifdef CONFIG_WPS
1035 if (!is_nil_uuid(config->uuid)) {
1036 char buf[40];
1037 uuid_bin2str(config->uuid, buf, sizeof(buf));
1038 fprintf(f, "uuid=%s\n", buf);
1039 }
1040 if (config->device_name)
1041 fprintf(f, "device_name=%s\n", config->device_name);
1042 if (config->manufacturer)
1043 fprintf(f, "manufacturer=%s\n", config->manufacturer);
1044 if (config->model_name)
1045 fprintf(f, "model_name=%s\n", config->model_name);
1046 if (config->model_number)
1047 fprintf(f, "model_number=%s\n", config->model_number);
1048 if (config->serial_number)
1049 fprintf(f, "serial_number=%s\n", config->serial_number);
1050 {
1051 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1052 buf = wps_dev_type_bin2str(config->device_type,
1053 _buf, sizeof(_buf));
1054 if (os_strcmp(buf, "0-00000000-0") != 0)
1055 fprintf(f, "device_type=%s\n", buf);
1056 }
1057 if (WPA_GET_BE32(config->os_version))
1058 fprintf(f, "os_version=%08x\n",
1059 WPA_GET_BE32(config->os_version));
1060 if (config->config_methods)
1061 fprintf(f, "config_methods=%s\n", config->config_methods);
1062 if (config->wps_cred_processing)
1063 fprintf(f, "wps_cred_processing=%d\n",
1064 config->wps_cred_processing);
1065 if (config->wps_vendor_ext_m1) {
1066 int i, len = wpabuf_len(config->wps_vendor_ext_m1);
1067 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
1068 if (len > 0) {
1069 fprintf(f, "wps_vendor_ext_m1=");
1070 for (i = 0; i < len; i++)
1071 fprintf(f, "%02x", *p++);
1072 fprintf(f, "\n");
1073 }
1074 }
1075 #endif /* CONFIG_WPS */
1076 #ifdef CONFIG_P2P
1077 if (config->p2p_listen_reg_class)
1078 fprintf(f, "p2p_listen_reg_class=%d\n",
1079 config->p2p_listen_reg_class);
1080 if (config->p2p_listen_channel)
1081 fprintf(f, "p2p_listen_channel=%d\n",
1082 config->p2p_listen_channel);
1083 if (config->p2p_oper_reg_class)
1084 fprintf(f, "p2p_oper_reg_class=%d\n",
1085 config->p2p_oper_reg_class);
1086 if (config->p2p_oper_channel)
1087 fprintf(f, "p2p_oper_channel=%d\n", config->p2p_oper_channel);
1088 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
1089 fprintf(f, "p2p_go_intent=%d\n", config->p2p_go_intent);
1090 if (config->p2p_ssid_postfix)
1091 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
1092 if (config->persistent_reconnect)
1093 fprintf(f, "persistent_reconnect=%d\n",
1094 config->persistent_reconnect);
1095 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
1096 fprintf(f, "p2p_intra_bss=%d\n", config->p2p_intra_bss);
1097 if (config->p2p_group_idle)
1098 fprintf(f, "p2p_group_idle=%d\n", config->p2p_group_idle);
1099 if (config->p2p_passphrase_len)
1100 fprintf(f, "p2p_passphrase_len=%u\n",
1101 config->p2p_passphrase_len);
1102 if (config->p2p_pref_chan) {
1103 unsigned int i;
1104 fprintf(f, "p2p_pref_chan=");
1105 for (i = 0; i < config->num_p2p_pref_chan; i++) {
1106 fprintf(f, "%s%u:%u", i > 0 ? "," : "",
1107 config->p2p_pref_chan[i].op_class,
1108 config->p2p_pref_chan[i].chan);
1109 }
1110 fprintf(f, "\n");
1111 }
1112 if (config->p2p_no_go_freq.num) {
1113 char *val = freq_range_list_str(&config->p2p_no_go_freq);
1114 if (val) {
1115 fprintf(f, "p2p_no_go_freq=%s\n", val);
1116 os_free(val);
1117 }
1118 }
1119 if (config->p2p_add_cli_chan)
1120 fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
1121 if (config->p2p_optimize_listen_chan !=
1122 DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN)
1123 fprintf(f, "p2p_optimize_listen_chan=%d\n",
1124 config->p2p_optimize_listen_chan);
1125 if (config->p2p_go_ht40)
1126 fprintf(f, "p2p_go_ht40=%d\n", config->p2p_go_ht40);
1127 if (config->p2p_go_vht)
1128 fprintf(f, "p2p_go_vht=%d\n", config->p2p_go_vht);
1129 if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW)
1130 fprintf(f, "p2p_go_ctwindow=%d\n", config->p2p_go_ctwindow);
1131 if (config->p2p_disabled)
1132 fprintf(f, "p2p_disabled=%d\n", config->p2p_disabled);
1133 if (config->p2p_no_group_iface)
1134 fprintf(f, "p2p_no_group_iface=%d\n",
1135 config->p2p_no_group_iface);
1136 if (config->p2p_ignore_shared_freq)
1137 fprintf(f, "p2p_ignore_shared_freq=%d\n",
1138 config->p2p_ignore_shared_freq);
1139 if (config->p2p_cli_probe)
1140 fprintf(f, "p2p_cli_probe=%d\n", config->p2p_cli_probe);
1141 if (config->p2p_go_freq_change_policy != DEFAULT_P2P_GO_FREQ_MOVE)
1142 fprintf(f, "p2p_go_freq_change_policy=%u\n",
1143 config->p2p_go_freq_change_policy);
1144 if (WPA_GET_BE32(config->ip_addr_go))
1145 fprintf(f, "ip_addr_go=%u.%u.%u.%u\n",
1146 config->ip_addr_go[0], config->ip_addr_go[1],
1147 config->ip_addr_go[2], config->ip_addr_go[3]);
1148 if (WPA_GET_BE32(config->ip_addr_mask))
1149 fprintf(f, "ip_addr_mask=%u.%u.%u.%u\n",
1150 config->ip_addr_mask[0], config->ip_addr_mask[1],
1151 config->ip_addr_mask[2], config->ip_addr_mask[3]);
1152 if (WPA_GET_BE32(config->ip_addr_start))
1153 fprintf(f, "ip_addr_start=%u.%u.%u.%u\n",
1154 config->ip_addr_start[0], config->ip_addr_start[1],
1155 config->ip_addr_start[2], config->ip_addr_start[3]);
1156 if (WPA_GET_BE32(config->ip_addr_end))
1157 fprintf(f, "ip_addr_end=%u.%u.%u.%u\n",
1158 config->ip_addr_end[0], config->ip_addr_end[1],
1159 config->ip_addr_end[2], config->ip_addr_end[3]);
1160 #endif /* CONFIG_P2P */
1161 if (config->country[0] && config->country[1]) {
1162 fprintf(f, "country=%c%c\n",
1163 config->country[0], config->country[1]);
1164 }
1165 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
1166 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
1167 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
1168 fprintf(f, "bss_expiration_age=%u\n",
1169 config->bss_expiration_age);
1170 if (config->bss_expiration_scan_count !=
1171 DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
1172 fprintf(f, "bss_expiration_scan_count=%u\n",
1173 config->bss_expiration_scan_count);
1174 if (config->filter_ssids)
1175 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
1176 if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
1177 fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
1178 if (config->disassoc_low_ack)
1179 fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack);
1180 #ifdef CONFIG_HS20
1181 if (config->hs20)
1182 fprintf(f, "hs20=1\n");
1183 #endif /* CONFIG_HS20 */
1184 #ifdef CONFIG_INTERWORKING
1185 if (config->interworking)
1186 fprintf(f, "interworking=%d\n", config->interworking);
1187 if (!is_zero_ether_addr(config->hessid))
1188 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
1189 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1190 fprintf(f, "access_network_type=%d\n",
1191 config->access_network_type);
1192 #endif /* CONFIG_INTERWORKING */
1193 if (config->pbc_in_m1)
1194 fprintf(f, "pbc_in_m1=%d\n", config->pbc_in_m1);
1195 if (config->wps_nfc_pw_from_config) {
1196 if (config->wps_nfc_dev_pw_id)
1197 fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1198 config->wps_nfc_dev_pw_id);
1199 write_global_bin(f, "wps_nfc_dh_pubkey",
1200 config->wps_nfc_dh_pubkey);
1201 write_global_bin(f, "wps_nfc_dh_privkey",
1202 config->wps_nfc_dh_privkey);
1203 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1204 }
1205
1206 if (config->ext_password_backend)
1207 fprintf(f, "ext_password_backend=%s\n",
1208 config->ext_password_backend);
1209 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1210 fprintf(f, "p2p_go_max_inactivity=%d\n",
1211 config->p2p_go_max_inactivity);
1212 if (config->auto_interworking)
1213 fprintf(f, "auto_interworking=%d\n",
1214 config->auto_interworking);
1215 if (config->okc)
1216 fprintf(f, "okc=%d\n", config->okc);
1217 if (config->pmf)
1218 fprintf(f, "pmf=%d\n", config->pmf);
1219 if (config->dtim_period)
1220 fprintf(f, "dtim_period=%d\n", config->dtim_period);
1221 if (config->beacon_int)
1222 fprintf(f, "beacon_int=%d\n", config->beacon_int);
1223
1224 if (config->sae_groups) {
1225 int i;
1226 fprintf(f, "sae_groups=");
1227 for (i = 0; config->sae_groups[i] >= 0; i++) {
1228 fprintf(f, "%s%d", i > 0 ? " " : "",
1229 config->sae_groups[i]);
1230 }
1231 fprintf(f, "\n");
1232 }
1233
1234 if (config->ap_vendor_elements) {
1235 int i, len = wpabuf_len(config->ap_vendor_elements);
1236 const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1237 if (len > 0) {
1238 fprintf(f, "ap_vendor_elements=");
1239 for (i = 0; i < len; i++)
1240 fprintf(f, "%02x", *p++);
1241 fprintf(f, "\n");
1242 }
1243 }
1244
1245 if (config->ignore_old_scan_res)
1246 fprintf(f, "ignore_old_scan_res=%d\n",
1247 config->ignore_old_scan_res);
1248
1249 if (config->freq_list && config->freq_list[0]) {
1250 int i;
1251 fprintf(f, "freq_list=");
1252 for (i = 0; config->freq_list[i]; i++) {
1253 fprintf(f, "%s%d", i > 0 ? " " : "",
1254 config->freq_list[i]);
1255 }
1256 fprintf(f, "\n");
1257 }
1258 if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1259 fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
1260
1261 if (config->sched_scan_interval)
1262 fprintf(f, "sched_scan_interval=%u\n",
1263 config->sched_scan_interval);
1264
1265 if (config->external_sim)
1266 fprintf(f, "external_sim=%d\n", config->external_sim);
1267
1268 if (config->tdls_external_control)
1269 fprintf(f, "tdls_external_control=%d\n",
1270 config->tdls_external_control);
1271
1272 if (config->wowlan_triggers)
1273 fprintf(f, "wowlan_triggers=%s\n",
1274 config->wowlan_triggers);
1275
1276 if (config->bgscan)
1277 fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
1278
1279 if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY)
1280 fprintf(f, "p2p_search_delay=%u\n",
1281 config->p2p_search_delay);
1282
1283 if (config->mac_addr)
1284 fprintf(f, "mac_addr=%d\n", config->mac_addr);
1285
1286 if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1287 fprintf(f, "rand_addr_lifetime=%u\n",
1288 config->rand_addr_lifetime);
1289
1290 if (config->preassoc_mac_addr)
1291 fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr);
1292
1293 if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD)
1294 fprintf(f, "key_mgmt_offload=%d\n", config->key_mgmt_offload);
1295
1296 if (config->user_mpm != DEFAULT_USER_MPM)
1297 fprintf(f, "user_mpm=%d\n", config->user_mpm);
1298
1299 if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS)
1300 fprintf(f, "max_peer_links=%d\n", config->max_peer_links);
1301
1302 if (config->cert_in_cb != DEFAULT_CERT_IN_CB)
1303 fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb);
1304
1305 if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY)
1306 fprintf(f, "mesh_max_inactivity=%d\n",
1307 config->mesh_max_inactivity);
1308
1309 if (config->dot11RSNASAERetransPeriod !=
1310 DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD)
1311 fprintf(f, "dot11RSNASAERetransPeriod=%d\n",
1312 config->dot11RSNASAERetransPeriod);
1313
1314 if (config->passive_scan)
1315 fprintf(f, "passive_scan=%d\n", config->passive_scan);
1316
1317 if (config->reassoc_same_bss_optim)
1318 fprintf(f, "reassoc_same_bss_optim=%d\n",
1319 config->reassoc_same_bss_optim);
1320
1321 if (config->wps_priority)
1322 fprintf(f, "wps_priority=%d\n", config->wps_priority);
1323
1324 if (config->wpa_rsc_relaxation != DEFAULT_WPA_RSC_RELAXATION)
1325 fprintf(f, "wpa_rsc_relaxation=%d\n",
1326 config->wpa_rsc_relaxation);
1327
1328 if (config->sched_scan_plans)
1329 fprintf(f, "sched_scan_plans=%s\n", config->sched_scan_plans);
1330
1331 #ifdef CONFIG_MBO
1332 if (config->non_pref_chan)
1333 fprintf(f, "non_pref_chan=%s\n", config->non_pref_chan);
1334 if (config->mbo_cell_capa != DEFAULT_MBO_CELL_CAPA)
1335 fprintf(f, "mbo_cell_capa=%u\n", config->mbo_cell_capa);
1336 #endif /* CONFIG_MBO */
1337
1338 }
1339
1340 #endif /* CONFIG_NO_CONFIG_WRITE */
1341
1342
wpa_config_write(const char * name,struct wpa_config * config)1343 int wpa_config_write(const char *name, struct wpa_config *config)
1344 {
1345 #ifndef CONFIG_NO_CONFIG_WRITE
1346 FILE *f;
1347 struct wpa_ssid *ssid;
1348 struct wpa_cred *cred;
1349 #ifndef CONFIG_NO_CONFIG_BLOBS
1350 struct wpa_config_blob *blob;
1351 #endif /* CONFIG_NO_CONFIG_BLOBS */
1352 int ret = 0;
1353 const char *orig_name = name;
1354 int tmp_len = os_strlen(name) + 5; /* allow space for .tmp suffix */
1355 char *tmp_name = os_malloc(tmp_len);
1356
1357 if (tmp_name) {
1358 os_snprintf(tmp_name, tmp_len, "%s.tmp", name);
1359 name = tmp_name;
1360 }
1361
1362 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1363
1364 f = fopen(name, "w");
1365 if (f == NULL) {
1366 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1367 os_free(tmp_name);
1368 return -1;
1369 }
1370
1371 wpa_config_write_global(f, config);
1372
1373 for (cred = config->cred; cred; cred = cred->next) {
1374 if (cred->temporary)
1375 continue;
1376 fprintf(f, "\ncred={\n");
1377 wpa_config_write_cred(f, cred);
1378 fprintf(f, "}\n");
1379 }
1380
1381 for (ssid = config->ssid; ssid; ssid = ssid->next) {
1382 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
1383 continue; /* do not save temporary networks */
1384 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
1385 !ssid->passphrase)
1386 continue; /* do not save invalid network */
1387 fprintf(f, "\nnetwork={\n");
1388 wpa_config_write_network(f, ssid);
1389 fprintf(f, "}\n");
1390 }
1391
1392 #ifndef CONFIG_NO_CONFIG_BLOBS
1393 for (blob = config->blobs; blob; blob = blob->next) {
1394 ret = wpa_config_write_blob(f, blob);
1395 if (ret)
1396 break;
1397 }
1398 #endif /* CONFIG_NO_CONFIG_BLOBS */
1399
1400 os_fdatasync(f);
1401
1402 fclose(f);
1403
1404 if (tmp_name) {
1405 int chmod_ret = 0;
1406
1407 #ifdef ANDROID
1408 chmod_ret = chmod(tmp_name,
1409 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
1410 #endif /* ANDROID */
1411 if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0)
1412 ret = -1;
1413
1414 os_free(tmp_name);
1415 }
1416
1417 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1418 orig_name, ret ? "un" : "");
1419 return ret;
1420 #else /* CONFIG_NO_CONFIG_WRITE */
1421 return -1;
1422 #endif /* CONFIG_NO_CONFIG_WRITE */
1423 }
1424