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 "common/ieee802_1x_defs.h"
23 #include "p2p/p2p.h"
24 #include "eap_peer/eap_methods.h"
25 #include "eap_peer/eap.h"
26
27
newline_terminated(const char * buf,size_t buflen)28 static int newline_terminated(const char *buf, size_t buflen)
29 {
30 size_t len = os_strlen(buf);
31 if (len == 0)
32 return 0;
33 if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
34 buf[len - 1] != '\n')
35 return 0;
36 return 1;
37 }
38
39
skip_line_end(FILE * stream)40 static void skip_line_end(FILE *stream)
41 {
42 char buf[100];
43 while (fgets(buf, sizeof(buf), stream)) {
44 buf[sizeof(buf) - 1] = '\0';
45 if (newline_terminated(buf, sizeof(buf)))
46 return;
47 }
48 }
49
50
51 /**
52 * wpa_config_get_line - Read the next configuration file line
53 * @s: Buffer for the line
54 * @size: The buffer length
55 * @stream: File stream to read from
56 * @line: Pointer to a variable storing the file line number
57 * @_pos: Buffer for the pointer to the beginning of data on the text line or
58 * %NULL if not needed (returned value used instead)
59 * Returns: Pointer to the beginning of data on the text line or %NULL if no
60 * more text lines are available.
61 *
62 * This function reads the next non-empty line from the configuration file and
63 * removes comments. The returned string is guaranteed to be null-terminated.
64 */
wpa_config_get_line(char * s,int size,FILE * stream,int * line,char ** _pos)65 static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
66 char **_pos)
67 {
68 char *pos, *end, *sstart;
69
70 while (fgets(s, size, stream)) {
71 (*line)++;
72 s[size - 1] = '\0';
73 if (!newline_terminated(s, size)) {
74 /*
75 * The line was truncated - skip rest of it to avoid
76 * confusing error messages.
77 */
78 wpa_printf(MSG_INFO, "Long line in configuration file "
79 "truncated");
80 skip_line_end(stream);
81 }
82 pos = s;
83
84 /* Skip white space from the beginning of line. */
85 while (*pos == ' ' || *pos == '\t' || *pos == '\r')
86 pos++;
87
88 /* Skip comment lines and empty lines */
89 if (*pos == '#' || *pos == '\n' || *pos == '\0')
90 continue;
91
92 /*
93 * Remove # comments unless they are within a double quoted
94 * string.
95 */
96 sstart = os_strchr(pos, '"');
97 if (sstart)
98 sstart = os_strrchr(sstart + 1, '"');
99 if (!sstart)
100 sstart = pos;
101 end = os_strchr(sstart, '#');
102 if (end)
103 *end-- = '\0';
104 else
105 end = pos + os_strlen(pos) - 1;
106
107 /* Remove trailing white space. */
108 while (end > pos &&
109 (*end == '\n' || *end == ' ' || *end == '\t' ||
110 *end == '\r'))
111 *end-- = '\0';
112
113 if (*pos == '\0')
114 continue;
115
116 if (_pos)
117 *_pos = pos;
118 return pos;
119 }
120
121 if (_pos)
122 *_pos = NULL;
123 return NULL;
124 }
125
126
wpa_config_validate_network(struct wpa_ssid * ssid,int line)127 static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
128 {
129 int errors = 0;
130
131 if (ssid->passphrase) {
132 if (ssid->psk_set) {
133 wpa_printf(MSG_ERROR, "Line %d: both PSK and "
134 "passphrase configured.", line);
135 errors++;
136 }
137 wpa_config_update_psk(ssid);
138 }
139
140 if (ssid->disabled == 2)
141 ssid->p2p_persistent_group = 1;
142
143 if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
144 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
145 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
146 /* Group cipher cannot be stronger than the pairwise cipher. */
147 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
148 " list since it was not allowed for pairwise "
149 "cipher", line);
150 ssid->group_cipher &= ~WPA_CIPHER_CCMP;
151 }
152
153 if (ssid->mode == WPAS_MODE_MESH &&
154 (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
155 ssid->key_mgmt != WPA_KEY_MGMT_SAE)) {
156 wpa_printf(MSG_ERROR,
157 "Line %d: key_mgmt for mesh network should be open or SAE",
158 line);
159 errors++;
160 }
161
162 return errors;
163 }
164
165
wpa_config_read_network(FILE * f,int * line,int id)166 static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
167 {
168 struct wpa_ssid *ssid;
169 int errors = 0, end = 0;
170 char buf[2000], *pos, *pos2;
171
172 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
173 *line);
174 ssid = os_zalloc(sizeof(*ssid));
175 if (ssid == NULL)
176 return NULL;
177 dl_list_init(&ssid->psk_list);
178 ssid->id = id;
179
180 wpa_config_set_network_defaults(ssid);
181
182 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
183 if (os_strcmp(pos, "}") == 0) {
184 end = 1;
185 break;
186 }
187
188 pos2 = os_strchr(pos, '=');
189 if (pos2 == NULL) {
190 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
191 "'%s'.", *line, pos);
192 errors++;
193 continue;
194 }
195
196 *pos2++ = '\0';
197 if (*pos2 == '"') {
198 if (os_strchr(pos2 + 1, '"') == NULL) {
199 wpa_printf(MSG_ERROR, "Line %d: invalid "
200 "quotation '%s'.", *line, pos2);
201 errors++;
202 continue;
203 }
204 }
205
206 if (wpa_config_set(ssid, pos, pos2, *line) < 0)
207 errors++;
208 }
209
210 if (!end) {
211 wpa_printf(MSG_ERROR, "Line %d: network block was not "
212 "terminated properly.", *line);
213 errors++;
214 }
215
216 errors += wpa_config_validate_network(ssid, *line);
217
218 if (errors) {
219 wpa_config_free_ssid(ssid);
220 ssid = NULL;
221 }
222
223 return ssid;
224 }
225
226
wpa_config_read_cred(FILE * f,int * line,int id)227 static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
228 {
229 struct wpa_cred *cred;
230 int errors = 0, end = 0;
231 char buf[256], *pos, *pos2;
232
233 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
234 cred = os_zalloc(sizeof(*cred));
235 if (cred == NULL)
236 return NULL;
237 cred->id = id;
238 cred->sim_num = DEFAULT_USER_SELECTED_SIM;
239
240 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
241 if (os_strcmp(pos, "}") == 0) {
242 end = 1;
243 break;
244 }
245
246 pos2 = os_strchr(pos, '=');
247 if (pos2 == NULL) {
248 wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
249 "'%s'.", *line, pos);
250 errors++;
251 continue;
252 }
253
254 *pos2++ = '\0';
255 if (*pos2 == '"') {
256 if (os_strchr(pos2 + 1, '"') == NULL) {
257 wpa_printf(MSG_ERROR, "Line %d: invalid "
258 "quotation '%s'.", *line, pos2);
259 errors++;
260 continue;
261 }
262 }
263
264 if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
265 errors++;
266 }
267
268 if (!end) {
269 wpa_printf(MSG_ERROR, "Line %d: cred block was not "
270 "terminated properly.", *line);
271 errors++;
272 }
273
274 if (errors) {
275 wpa_config_free_cred(cred);
276 cred = NULL;
277 }
278
279 return cred;
280 }
281
282
283 #ifndef CONFIG_NO_CONFIG_BLOBS
wpa_config_read_blob(FILE * f,int * line,const char * name)284 static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
285 const char *name)
286 {
287 struct wpa_config_blob *blob;
288 char buf[256], *pos;
289 unsigned char *encoded = NULL, *nencoded;
290 int end = 0;
291 size_t encoded_len = 0, len;
292
293 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
294 *line, name);
295
296 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
297 if (os_strcmp(pos, "}") == 0) {
298 end = 1;
299 break;
300 }
301
302 len = os_strlen(pos);
303 nencoded = os_realloc(encoded, encoded_len + len);
304 if (nencoded == NULL) {
305 wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
306 "blob", *line);
307 os_free(encoded);
308 return NULL;
309 }
310 encoded = nencoded;
311 os_memcpy(encoded + encoded_len, pos, len);
312 encoded_len += len;
313 }
314
315 if (!end) {
316 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
317 "properly", *line);
318 os_free(encoded);
319 return NULL;
320 }
321
322 blob = os_zalloc(sizeof(*blob));
323 if (blob == NULL) {
324 os_free(encoded);
325 return NULL;
326 }
327 blob->name = os_strdup(name);
328 blob->data = base64_decode(encoded, encoded_len, &blob->len);
329 os_free(encoded);
330
331 if (blob->name == NULL || blob->data == NULL) {
332 wpa_config_free_blob(blob);
333 return NULL;
334 }
335
336 return blob;
337 }
338
339
wpa_config_process_blob(struct wpa_config * config,FILE * f,int * line,char * bname)340 static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
341 int *line, char *bname)
342 {
343 char *name_end;
344 struct wpa_config_blob *blob;
345
346 name_end = os_strchr(bname, '=');
347 if (name_end == NULL) {
348 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
349 *line);
350 return -1;
351 }
352 *name_end = '\0';
353
354 blob = wpa_config_read_blob(f, line, bname);
355 if (blob == NULL) {
356 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
357 *line, bname);
358 return -1;
359 }
360 wpa_config_set_blob(config, blob);
361 return 0;
362 }
363 #endif /* CONFIG_NO_CONFIG_BLOBS */
364
365
wpa_config_read(const char * name,struct wpa_config * cfgp)366 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp)
367 {
368 FILE *f;
369 char buf[512], *pos;
370 int errors = 0, line = 0;
371 struct wpa_ssid *ssid, *tail, *head;
372 struct wpa_cred *cred, *cred_tail, *cred_head;
373 struct wpa_config *config;
374 int id = 0;
375 int cred_id = 0;
376
377 if (name == NULL)
378 return NULL;
379 if (cfgp)
380 config = cfgp;
381 else
382 config = wpa_config_alloc_empty(NULL, NULL);
383 if (config == NULL) {
384 wpa_printf(MSG_ERROR, "Failed to allocate config file "
385 "structure");
386 return NULL;
387 }
388 tail = head = config->ssid;
389 while (tail && tail->next)
390 tail = tail->next;
391 cred_tail = cred_head = config->cred;
392 while (cred_tail && cred_tail->next)
393 cred_tail = cred_tail->next;
394
395 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
396 f = fopen(name, "r");
397 if (f == NULL) {
398 wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
399 "error: %s", name, strerror(errno));
400 os_free(config);
401 return NULL;
402 }
403
404 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
405 if (os_strcmp(pos, "network={") == 0) {
406 ssid = wpa_config_read_network(f, &line, id++);
407 if (ssid == NULL) {
408 wpa_printf(MSG_ERROR, "Line %d: failed to "
409 "parse network block.", line);
410 errors++;
411 continue;
412 }
413 if (head == NULL) {
414 head = tail = ssid;
415 } else {
416 tail->next = ssid;
417 tail = ssid;
418 }
419 if (wpa_config_add_prio_network(config, ssid)) {
420 wpa_printf(MSG_ERROR, "Line %d: failed to add "
421 "network block to priority list.",
422 line);
423 errors++;
424 continue;
425 }
426 } else if (os_strcmp(pos, "cred={") == 0) {
427 cred = wpa_config_read_cred(f, &line, cred_id++);
428 if (cred == NULL) {
429 wpa_printf(MSG_ERROR, "Line %d: failed to "
430 "parse cred block.", line);
431 errors++;
432 continue;
433 }
434 if (cred_head == NULL) {
435 cred_head = cred_tail = cred;
436 } else {
437 cred_tail->next = cred;
438 cred_tail = cred;
439 }
440 #ifndef CONFIG_NO_CONFIG_BLOBS
441 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
442 if (wpa_config_process_blob(config, f, &line, pos + 12)
443 < 0) {
444 wpa_printf(MSG_ERROR, "Line %d: failed to "
445 "process blob.", line);
446 errors++;
447 continue;
448 }
449 #endif /* CONFIG_NO_CONFIG_BLOBS */
450 } else if (wpa_config_process_global(config, pos, line) < 0) {
451 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
452 "line '%s'.", line, pos);
453 errors++;
454 continue;
455 }
456 }
457
458 fclose(f);
459
460 config->ssid = head;
461 wpa_config_debug_dump_networks(config);
462 config->cred = cred_head;
463
464 #ifndef WPA_IGNORE_CONFIG_ERRORS
465 if (errors) {
466 wpa_config_free(config);
467 config = NULL;
468 head = NULL;
469 }
470 #endif /* WPA_IGNORE_CONFIG_ERRORS */
471
472 return config;
473 }
474
475
476 #ifndef CONFIG_NO_CONFIG_WRITE
477
write_str(FILE * f,const char * field,struct wpa_ssid * ssid)478 static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
479 {
480 char *value = wpa_config_get(ssid, field);
481 if (value == NULL)
482 return;
483 fprintf(f, "\t%s=%s\n", field, value);
484 os_free(value);
485 }
486
487
write_int(FILE * f,const char * field,int value,int def)488 static void write_int(FILE *f, const char *field, int value, int def)
489 {
490 if (value == def)
491 return;
492 fprintf(f, "\t%s=%d\n", field, value);
493 }
494
495
write_bssid(FILE * f,struct wpa_ssid * ssid)496 static void write_bssid(FILE *f, struct wpa_ssid *ssid)
497 {
498 char *value = wpa_config_get(ssid, "bssid");
499 if (value == NULL)
500 return;
501 fprintf(f, "\tbssid=%s\n", value);
502 os_free(value);
503 }
504
505
write_psk(FILE * f,struct wpa_ssid * ssid)506 static void write_psk(FILE *f, struct wpa_ssid *ssid)
507 {
508 char *value;
509
510 if (ssid->mem_only_psk)
511 return;
512
513 value = wpa_config_get(ssid, "psk");
514 if (value == NULL)
515 return;
516 fprintf(f, "\tpsk=%s\n", value);
517 os_free(value);
518 }
519
520
write_proto(FILE * f,struct wpa_ssid * ssid)521 static void write_proto(FILE *f, struct wpa_ssid *ssid)
522 {
523 char *value;
524
525 if (ssid->proto == DEFAULT_PROTO)
526 return;
527
528 value = wpa_config_get(ssid, "proto");
529 if (value == NULL)
530 return;
531 if (value[0])
532 fprintf(f, "\tproto=%s\n", value);
533 os_free(value);
534 }
535
536
write_key_mgmt(FILE * f,struct wpa_ssid * ssid)537 static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
538 {
539 char *value;
540
541 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
542 return;
543
544 value = wpa_config_get(ssid, "key_mgmt");
545 if (value == NULL)
546 return;
547 if (value[0])
548 fprintf(f, "\tkey_mgmt=%s\n", value);
549 os_free(value);
550 }
551
552
write_pairwise(FILE * f,struct wpa_ssid * ssid)553 static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
554 {
555 char *value;
556
557 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
558 return;
559
560 value = wpa_config_get(ssid, "pairwise");
561 if (value == NULL)
562 return;
563 if (value[0])
564 fprintf(f, "\tpairwise=%s\n", value);
565 os_free(value);
566 }
567
568
write_group(FILE * f,struct wpa_ssid * ssid)569 static void write_group(FILE *f, struct wpa_ssid *ssid)
570 {
571 char *value;
572
573 if (ssid->group_cipher == DEFAULT_GROUP)
574 return;
575
576 value = wpa_config_get(ssid, "group");
577 if (value == NULL)
578 return;
579 if (value[0])
580 fprintf(f, "\tgroup=%s\n", value);
581 os_free(value);
582 }
583
584
write_auth_alg(FILE * f,struct wpa_ssid * ssid)585 static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
586 {
587 char *value;
588
589 if (ssid->auth_alg == 0)
590 return;
591
592 value = wpa_config_get(ssid, "auth_alg");
593 if (value == NULL)
594 return;
595 if (value[0])
596 fprintf(f, "\tauth_alg=%s\n", value);
597 os_free(value);
598 }
599
600
601 #ifdef IEEE8021X_EAPOL
write_eap(FILE * f,struct wpa_ssid * ssid)602 static void write_eap(FILE *f, struct wpa_ssid *ssid)
603 {
604 char *value;
605
606 value = wpa_config_get(ssid, "eap");
607 if (value == NULL)
608 return;
609
610 if (value[0])
611 fprintf(f, "\teap=%s\n", value);
612 os_free(value);
613 }
614 #endif /* IEEE8021X_EAPOL */
615
616
write_wep_key(FILE * f,int idx,struct wpa_ssid * ssid)617 static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
618 {
619 char field[20], *value;
620 int res;
621
622 res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
623 if (os_snprintf_error(sizeof(field), res))
624 return;
625 value = wpa_config_get(ssid, field);
626 if (value) {
627 fprintf(f, "\t%s=%s\n", field, value);
628 os_free(value);
629 }
630 }
631
632
633 #ifdef CONFIG_P2P
634
write_go_p2p_dev_addr(FILE * f,struct wpa_ssid * ssid)635 static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
636 {
637 char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
638 if (value == NULL)
639 return;
640 fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
641 os_free(value);
642 }
643
write_p2p_client_list(FILE * f,struct wpa_ssid * ssid)644 static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
645 {
646 char *value = wpa_config_get(ssid, "p2p_client_list");
647 if (value == NULL)
648 return;
649 fprintf(f, "\tp2p_client_list=%s\n", value);
650 os_free(value);
651 }
652
653
write_psk_list(FILE * f,struct wpa_ssid * ssid)654 static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
655 {
656 struct psk_list_entry *psk;
657 char hex[32 * 2 + 1];
658
659 dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
660 wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
661 fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
662 psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
663 }
664 }
665
666 #endif /* CONFIG_P2P */
667
668
669 #ifdef CONFIG_MACSEC
670
write_mka_cak(FILE * f,struct wpa_ssid * ssid)671 static void write_mka_cak(FILE *f, struct wpa_ssid *ssid)
672 {
673 char *value;
674
675 if (!(ssid->mka_psk_set & MKA_PSK_SET_CAK))
676 return;
677
678 value = wpa_config_get(ssid, "mka_cak");
679 if (!value)
680 return;
681 fprintf(f, "\tmka_cak=%s\n", value);
682 os_free(value);
683 }
684
685
write_mka_ckn(FILE * f,struct wpa_ssid * ssid)686 static void write_mka_ckn(FILE *f, struct wpa_ssid *ssid)
687 {
688 char *value;
689
690 if (!(ssid->mka_psk_set & MKA_PSK_SET_CKN))
691 return;
692
693 value = wpa_config_get(ssid, "mka_ckn");
694 if (!value)
695 return;
696 fprintf(f, "\tmka_ckn=%s\n", value);
697 os_free(value);
698 }
699
700 #endif /* CONFIG_MACSEC */
701
702
wpa_config_write_network(FILE * f,struct wpa_ssid * ssid)703 static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
704 {
705 int i;
706
707 #define STR(t) write_str(f, #t, ssid)
708 #define INT(t) write_int(f, #t, ssid->t, 0)
709 #define INTe(t) write_int(f, #t, ssid->eap.t, 0)
710 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
711 #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
712
713 STR(ssid);
714 INT(scan_ssid);
715 write_bssid(f, ssid);
716 write_str(f, "bssid_blacklist", ssid);
717 write_str(f, "bssid_whitelist", ssid);
718 write_psk(f, ssid);
719 INT(mem_only_psk);
720 write_proto(f, ssid);
721 write_key_mgmt(f, ssid);
722 INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
723 write_pairwise(f, ssid);
724 write_group(f, ssid);
725 write_auth_alg(f, ssid);
726 STR(bgscan);
727 STR(autoscan);
728 STR(scan_freq);
729 #ifdef IEEE8021X_EAPOL
730 write_eap(f, ssid);
731 STR(identity);
732 STR(anonymous_identity);
733 STR(password);
734 STR(ca_cert);
735 STR(ca_path);
736 STR(client_cert);
737 STR(private_key);
738 STR(private_key_passwd);
739 STR(dh_file);
740 STR(subject_match);
741 STR(altsubject_match);
742 STR(domain_suffix_match);
743 STR(domain_match);
744 STR(ca_cert2);
745 STR(ca_path2);
746 STR(client_cert2);
747 STR(private_key2);
748 STR(private_key2_passwd);
749 STR(dh_file2);
750 STR(subject_match2);
751 STR(altsubject_match2);
752 STR(domain_suffix_match2);
753 STR(domain_match2);
754 STR(phase1);
755 STR(phase2);
756 STR(pcsc);
757 STR(pin);
758 STR(engine_id);
759 STR(key_id);
760 STR(cert_id);
761 STR(ca_cert_id);
762 STR(key2_id);
763 STR(pin2);
764 STR(engine2_id);
765 STR(cert2_id);
766 STR(ca_cert2_id);
767 INTe(engine);
768 INTe(engine2);
769 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
770 STR(openssl_ciphers);
771 INTe(erp);
772 #endif /* IEEE8021X_EAPOL */
773 for (i = 0; i < 4; i++)
774 write_wep_key(f, i, ssid);
775 INT(wep_tx_keyidx);
776 INT(priority);
777 #ifdef IEEE8021X_EAPOL
778 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
779 STR(pac_file);
780 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
781 INTe(ocsp);
782 INT_DEFe(sim_num, DEFAULT_USER_SELECTED_SIM);
783 #endif /* IEEE8021X_EAPOL */
784 INT(mode);
785 INT(no_auto_peer);
786 INT(frequency);
787 INT(fixed_freq);
788 #ifdef CONFIG_ACS
789 INT(acs);
790 #endif /* CONFIG_ACS */
791 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
792 INT(disabled);
793 INT(peerkey);
794 INT(mixed_cell);
795 INT(max_oper_chwidth);
796 INT(pbss);
797 INT(wps_disabled);
798 #ifdef CONFIG_IEEE80211W
799 write_int(f, "ieee80211w", ssid->ieee80211w,
800 MGMT_FRAME_PROTECTION_DEFAULT);
801 #endif /* CONFIG_IEEE80211W */
802 STR(id_str);
803 #ifdef CONFIG_P2P
804 write_go_p2p_dev_addr(f, ssid);
805 write_p2p_client_list(f, ssid);
806 write_psk_list(f, ssid);
807 #endif /* CONFIG_P2P */
808 INT(ap_max_inactivity);
809 INT(dtim_period);
810 INT(beacon_int);
811 #ifdef CONFIG_MACSEC
812 INT(macsec_policy);
813 write_mka_cak(f, ssid);
814 write_mka_ckn(f, ssid);
815 INT(macsec_integ_only);
816 INT(macsec_port);
817 INT_DEF(mka_priority, DEFAULT_PRIO_NOT_KEY_SERVER);
818 #endif /* CONFIG_MACSEC */
819 #ifdef CONFIG_HS20
820 INT(update_identifier);
821 #endif /* CONFIG_HS20 */
822 write_int(f, "mac_addr", ssid->mac_addr, -1);
823 #ifdef CONFIG_MESH
824 STR(mesh_basic_rates);
825 INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES);
826 INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT);
827 INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT);
828 INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT);
829 #endif /* CONFIG_MESH */
830 INT(wpa_ptk_rekey);
831 INT(group_rekey);
832 INT(ignore_broadcast_ssid);
833 #ifdef CONFIG_HT_OVERRIDES
834 INT_DEF(disable_ht, DEFAULT_DISABLE_HT);
835 INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40);
836 INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI);
837 INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC);
838 INT(ht40_intolerant);
839 INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU);
840 INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR);
841 INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY);
842 STR(ht_mcs);
843 #endif /* CONFIG_HT_OVERRIDES */
844 #ifdef CONFIG_VHT_OVERRIDES
845 INT(disable_vht);
846 INT(vht_capa);
847 INT(vht_capa_mask);
848 INT_DEF(vht_rx_mcs_nss_1, -1);
849 INT_DEF(vht_rx_mcs_nss_2, -1);
850 INT_DEF(vht_rx_mcs_nss_3, -1);
851 INT_DEF(vht_rx_mcs_nss_4, -1);
852 INT_DEF(vht_rx_mcs_nss_5, -1);
853 INT_DEF(vht_rx_mcs_nss_6, -1);
854 INT_DEF(vht_rx_mcs_nss_7, -1);
855 INT_DEF(vht_rx_mcs_nss_8, -1);
856 INT_DEF(vht_tx_mcs_nss_1, -1);
857 INT_DEF(vht_tx_mcs_nss_2, -1);
858 INT_DEF(vht_tx_mcs_nss_3, -1);
859 INT_DEF(vht_tx_mcs_nss_4, -1);
860 INT_DEF(vht_tx_mcs_nss_5, -1);
861 INT_DEF(vht_tx_mcs_nss_6, -1);
862 INT_DEF(vht_tx_mcs_nss_7, -1);
863 INT_DEF(vht_tx_mcs_nss_8, -1);
864 #endif /* CONFIG_VHT_OVERRIDES */
865
866 #undef STR
867 #undef INT
868 #undef INT_DEF
869 }
870
871
wpa_config_write_cred(FILE * f,struct wpa_cred * cred)872 static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
873 {
874 size_t i;
875
876 if (cred->priority)
877 fprintf(f, "\tpriority=%d\n", cred->priority);
878 if (cred->pcsc)
879 fprintf(f, "\tpcsc=%d\n", cred->pcsc);
880 if (cred->realm)
881 fprintf(f, "\trealm=\"%s\"\n", cred->realm);
882 if (cred->username)
883 fprintf(f, "\tusername=\"%s\"\n", cred->username);
884 if (cred->password && cred->ext_password)
885 fprintf(f, "\tpassword=ext:%s\n", cred->password);
886 else if (cred->password)
887 fprintf(f, "\tpassword=\"%s\"\n", cred->password);
888 if (cred->ca_cert)
889 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
890 if (cred->client_cert)
891 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
892 if (cred->private_key)
893 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
894 if (cred->private_key_passwd)
895 fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
896 cred->private_key_passwd);
897 if (cred->imsi)
898 fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
899 if (cred->milenage)
900 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
901 for (i = 0; i < cred->num_domain; i++)
902 fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
903 if (cred->domain_suffix_match)
904 fprintf(f, "\tdomain_suffix_match=\"%s\"\n",
905 cred->domain_suffix_match);
906 if (cred->roaming_consortium_len) {
907 fprintf(f, "\troaming_consortium=");
908 for (i = 0; i < cred->roaming_consortium_len; i++)
909 fprintf(f, "%02x", cred->roaming_consortium[i]);
910 fprintf(f, "\n");
911 }
912 if (cred->eap_method) {
913 const char *name;
914 name = eap_get_name(cred->eap_method[0].vendor,
915 cred->eap_method[0].method);
916 if (name)
917 fprintf(f, "\teap=%s\n", name);
918 }
919 if (cred->phase1)
920 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
921 if (cred->phase2)
922 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
923 if (cred->excluded_ssid) {
924 size_t j;
925 for (i = 0; i < cred->num_excluded_ssid; i++) {
926 struct excluded_ssid *e = &cred->excluded_ssid[i];
927 fprintf(f, "\texcluded_ssid=");
928 for (j = 0; j < e->ssid_len; j++)
929 fprintf(f, "%02x", e->ssid[j]);
930 fprintf(f, "\n");
931 }
932 }
933 if (cred->roaming_partner) {
934 for (i = 0; i < cred->num_roaming_partner; i++) {
935 struct roaming_partner *p = &cred->roaming_partner[i];
936 fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n",
937 p->fqdn, p->exact_match, p->priority,
938 p->country);
939 }
940 }
941 if (cred->update_identifier)
942 fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
943
944 if (cred->provisioning_sp)
945 fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
946 if (cred->sp_priority)
947 fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
948
949 if (cred->min_dl_bandwidth_home)
950 fprintf(f, "\tmin_dl_bandwidth_home=%u\n",
951 cred->min_dl_bandwidth_home);
952 if (cred->min_ul_bandwidth_home)
953 fprintf(f, "\tmin_ul_bandwidth_home=%u\n",
954 cred->min_ul_bandwidth_home);
955 if (cred->min_dl_bandwidth_roaming)
956 fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n",
957 cred->min_dl_bandwidth_roaming);
958 if (cred->min_ul_bandwidth_roaming)
959 fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n",
960 cred->min_ul_bandwidth_roaming);
961
962 if (cred->max_bss_load)
963 fprintf(f, "\tmax_bss_load=%u\n",
964 cred->max_bss_load);
965
966 if (cred->ocsp)
967 fprintf(f, "\tocsp=%d\n", cred->ocsp);
968
969 if (cred->num_req_conn_capab) {
970 for (i = 0; i < cred->num_req_conn_capab; i++) {
971 int *ports;
972
973 fprintf(f, "\treq_conn_capab=%u",
974 cred->req_conn_capab_proto[i]);
975 ports = cred->req_conn_capab_port[i];
976 if (ports) {
977 int j;
978 for (j = 0; ports[j] != -1; j++) {
979 fprintf(f, "%s%d", j > 0 ? "," : ":",
980 ports[j]);
981 }
982 }
983 fprintf(f, "\n");
984 }
985 }
986
987 if (cred->required_roaming_consortium_len) {
988 fprintf(f, "\trequired_roaming_consortium=");
989 for (i = 0; i < cred->required_roaming_consortium_len; i++)
990 fprintf(f, "%02x",
991 cred->required_roaming_consortium[i]);
992 fprintf(f, "\n");
993 }
994
995 if (cred->sim_num != DEFAULT_USER_SELECTED_SIM)
996 fprintf(f, "\tsim_num=%d\n", cred->sim_num);
997 }
998
999
1000 #ifndef CONFIG_NO_CONFIG_BLOBS
wpa_config_write_blob(FILE * f,struct wpa_config_blob * blob)1001 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
1002 {
1003 unsigned char *encoded;
1004
1005 encoded = base64_encode(blob->data, blob->len, NULL);
1006 if (encoded == NULL)
1007 return -1;
1008
1009 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
1010 os_free(encoded);
1011 return 0;
1012 }
1013 #endif /* CONFIG_NO_CONFIG_BLOBS */
1014
1015
write_global_bin(FILE * f,const char * field,const struct wpabuf * val)1016 static void write_global_bin(FILE *f, const char *field,
1017 const struct wpabuf *val)
1018 {
1019 size_t i;
1020 const u8 *pos;
1021
1022 if (val == NULL)
1023 return;
1024
1025 fprintf(f, "%s=", field);
1026 pos = wpabuf_head(val);
1027 for (i = 0; i < wpabuf_len(val); i++)
1028 fprintf(f, "%02X", *pos++);
1029 fprintf(f, "\n");
1030 }
1031
1032
wpa_config_write_global(FILE * f,struct wpa_config * config)1033 static void wpa_config_write_global(FILE *f, struct wpa_config *config)
1034 {
1035 #ifdef CONFIG_CTRL_IFACE
1036 if (config->ctrl_interface)
1037 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
1038 if (config->ctrl_interface_group)
1039 fprintf(f, "ctrl_interface_group=%s\n",
1040 config->ctrl_interface_group);
1041 #endif /* CONFIG_CTRL_IFACE */
1042 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
1043 fprintf(f, "eapol_version=%d\n", config->eapol_version);
1044 if (config->ap_scan != DEFAULT_AP_SCAN)
1045 fprintf(f, "ap_scan=%d\n", config->ap_scan);
1046 if (config->disable_scan_offload)
1047 fprintf(f, "disable_scan_offload=%d\n",
1048 config->disable_scan_offload);
1049 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
1050 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
1051 if (config->opensc_engine_path)
1052 fprintf(f, "opensc_engine_path=%s\n",
1053 config->opensc_engine_path);
1054 if (config->pkcs11_engine_path)
1055 fprintf(f, "pkcs11_engine_path=%s\n",
1056 config->pkcs11_engine_path);
1057 if (config->pkcs11_module_path)
1058 fprintf(f, "pkcs11_module_path=%s\n",
1059 config->pkcs11_module_path);
1060 if (config->openssl_ciphers)
1061 fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers);
1062 if (config->pcsc_reader)
1063 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
1064 if (config->pcsc_pin)
1065 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
1066 if (config->driver_param)
1067 fprintf(f, "driver_param=%s\n", config->driver_param);
1068 if (config->dot11RSNAConfigPMKLifetime)
1069 fprintf(f, "dot11RSNAConfigPMKLifetime=%u\n",
1070 config->dot11RSNAConfigPMKLifetime);
1071 if (config->dot11RSNAConfigPMKReauthThreshold)
1072 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%u\n",
1073 config->dot11RSNAConfigPMKReauthThreshold);
1074 if (config->dot11RSNAConfigSATimeout)
1075 fprintf(f, "dot11RSNAConfigSATimeout=%u\n",
1076 config->dot11RSNAConfigSATimeout);
1077 if (config->update_config)
1078 fprintf(f, "update_config=%d\n", config->update_config);
1079 #ifdef CONFIG_WPS
1080 if (!is_nil_uuid(config->uuid)) {
1081 char buf[40];
1082 uuid_bin2str(config->uuid, buf, sizeof(buf));
1083 fprintf(f, "uuid=%s\n", buf);
1084 }
1085 if (config->device_name)
1086 fprintf(f, "device_name=%s\n", config->device_name);
1087 if (config->manufacturer)
1088 fprintf(f, "manufacturer=%s\n", config->manufacturer);
1089 if (config->model_name)
1090 fprintf(f, "model_name=%s\n", config->model_name);
1091 if (config->model_number)
1092 fprintf(f, "model_number=%s\n", config->model_number);
1093 if (config->serial_number)
1094 fprintf(f, "serial_number=%s\n", config->serial_number);
1095 {
1096 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1097 buf = wps_dev_type_bin2str(config->device_type,
1098 _buf, sizeof(_buf));
1099 if (os_strcmp(buf, "0-00000000-0") != 0)
1100 fprintf(f, "device_type=%s\n", buf);
1101 }
1102 if (WPA_GET_BE32(config->os_version))
1103 fprintf(f, "os_version=%08x\n",
1104 WPA_GET_BE32(config->os_version));
1105 if (config->config_methods)
1106 fprintf(f, "config_methods=%s\n", config->config_methods);
1107 if (config->wps_cred_processing)
1108 fprintf(f, "wps_cred_processing=%d\n",
1109 config->wps_cred_processing);
1110 if (config->wps_vendor_ext_m1) {
1111 int i, len = wpabuf_len(config->wps_vendor_ext_m1);
1112 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
1113 if (len > 0) {
1114 fprintf(f, "wps_vendor_ext_m1=");
1115 for (i = 0; i < len; i++)
1116 fprintf(f, "%02x", *p++);
1117 fprintf(f, "\n");
1118 }
1119 }
1120 #endif /* CONFIG_WPS */
1121 #ifdef CONFIG_P2P
1122 {
1123 int i;
1124 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1125
1126 for (i = 0; i < config->num_sec_device_types; i++) {
1127 buf = wps_dev_type_bin2str(config->sec_device_type[i],
1128 _buf, sizeof(_buf));
1129 if (buf)
1130 fprintf(f, "sec_device_type=%s\n", buf);
1131 }
1132 }
1133 if (config->p2p_listen_reg_class)
1134 fprintf(f, "p2p_listen_reg_class=%d\n",
1135 config->p2p_listen_reg_class);
1136 if (config->p2p_listen_channel)
1137 fprintf(f, "p2p_listen_channel=%d\n",
1138 config->p2p_listen_channel);
1139 if (config->p2p_oper_reg_class)
1140 fprintf(f, "p2p_oper_reg_class=%d\n",
1141 config->p2p_oper_reg_class);
1142 if (config->p2p_oper_channel)
1143 fprintf(f, "p2p_oper_channel=%d\n", config->p2p_oper_channel);
1144 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
1145 fprintf(f, "p2p_go_intent=%d\n", config->p2p_go_intent);
1146 if (config->p2p_ssid_postfix)
1147 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
1148 if (config->persistent_reconnect)
1149 fprintf(f, "persistent_reconnect=%d\n",
1150 config->persistent_reconnect);
1151 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
1152 fprintf(f, "p2p_intra_bss=%d\n", config->p2p_intra_bss);
1153 if (config->p2p_group_idle)
1154 fprintf(f, "p2p_group_idle=%d\n", config->p2p_group_idle);
1155 if (config->p2p_passphrase_len)
1156 fprintf(f, "p2p_passphrase_len=%u\n",
1157 config->p2p_passphrase_len);
1158 if (config->p2p_pref_chan) {
1159 unsigned int i;
1160 fprintf(f, "p2p_pref_chan=");
1161 for (i = 0; i < config->num_p2p_pref_chan; i++) {
1162 fprintf(f, "%s%u:%u", i > 0 ? "," : "",
1163 config->p2p_pref_chan[i].op_class,
1164 config->p2p_pref_chan[i].chan);
1165 }
1166 fprintf(f, "\n");
1167 }
1168 if (config->p2p_no_go_freq.num) {
1169 char *val = freq_range_list_str(&config->p2p_no_go_freq);
1170 if (val) {
1171 fprintf(f, "p2p_no_go_freq=%s\n", val);
1172 os_free(val);
1173 }
1174 }
1175 if (config->p2p_add_cli_chan)
1176 fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
1177 if (config->p2p_optimize_listen_chan !=
1178 DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN)
1179 fprintf(f, "p2p_optimize_listen_chan=%d\n",
1180 config->p2p_optimize_listen_chan);
1181 if (config->p2p_go_ht40)
1182 fprintf(f, "p2p_go_ht40=%d\n", config->p2p_go_ht40);
1183 if (config->p2p_go_vht)
1184 fprintf(f, "p2p_go_vht=%d\n", config->p2p_go_vht);
1185 if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW)
1186 fprintf(f, "p2p_go_ctwindow=%d\n", config->p2p_go_ctwindow);
1187 if (config->p2p_disabled)
1188 fprintf(f, "p2p_disabled=%d\n", config->p2p_disabled);
1189 if (config->p2p_no_group_iface)
1190 fprintf(f, "p2p_no_group_iface=%d\n",
1191 config->p2p_no_group_iface);
1192 if (config->p2p_ignore_shared_freq)
1193 fprintf(f, "p2p_ignore_shared_freq=%d\n",
1194 config->p2p_ignore_shared_freq);
1195 if (config->p2p_cli_probe)
1196 fprintf(f, "p2p_cli_probe=%d\n", config->p2p_cli_probe);
1197 if (config->p2p_go_freq_change_policy != DEFAULT_P2P_GO_FREQ_MOVE)
1198 fprintf(f, "p2p_go_freq_change_policy=%u\n",
1199 config->p2p_go_freq_change_policy);
1200 if (WPA_GET_BE32(config->ip_addr_go))
1201 fprintf(f, "ip_addr_go=%u.%u.%u.%u\n",
1202 config->ip_addr_go[0], config->ip_addr_go[1],
1203 config->ip_addr_go[2], config->ip_addr_go[3]);
1204 if (WPA_GET_BE32(config->ip_addr_mask))
1205 fprintf(f, "ip_addr_mask=%u.%u.%u.%u\n",
1206 config->ip_addr_mask[0], config->ip_addr_mask[1],
1207 config->ip_addr_mask[2], config->ip_addr_mask[3]);
1208 if (WPA_GET_BE32(config->ip_addr_start))
1209 fprintf(f, "ip_addr_start=%u.%u.%u.%u\n",
1210 config->ip_addr_start[0], config->ip_addr_start[1],
1211 config->ip_addr_start[2], config->ip_addr_start[3]);
1212 if (WPA_GET_BE32(config->ip_addr_end))
1213 fprintf(f, "ip_addr_end=%u.%u.%u.%u\n",
1214 config->ip_addr_end[0], config->ip_addr_end[1],
1215 config->ip_addr_end[2], config->ip_addr_end[3]);
1216 #endif /* CONFIG_P2P */
1217 if (config->country[0] && config->country[1]) {
1218 fprintf(f, "country=%c%c\n",
1219 config->country[0], config->country[1]);
1220 }
1221 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
1222 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
1223 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
1224 fprintf(f, "bss_expiration_age=%u\n",
1225 config->bss_expiration_age);
1226 if (config->bss_expiration_scan_count !=
1227 DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
1228 fprintf(f, "bss_expiration_scan_count=%u\n",
1229 config->bss_expiration_scan_count);
1230 if (config->filter_ssids)
1231 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
1232 if (config->filter_rssi)
1233 fprintf(f, "filter_rssi=%d\n", config->filter_rssi);
1234 if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
1235 fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
1236 if (config->disassoc_low_ack)
1237 fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack);
1238 #ifdef CONFIG_HS20
1239 if (config->hs20)
1240 fprintf(f, "hs20=1\n");
1241 #endif /* CONFIG_HS20 */
1242 #ifdef CONFIG_INTERWORKING
1243 if (config->interworking)
1244 fprintf(f, "interworking=%d\n", config->interworking);
1245 if (!is_zero_ether_addr(config->hessid))
1246 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
1247 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1248 fprintf(f, "access_network_type=%d\n",
1249 config->access_network_type);
1250 #endif /* CONFIG_INTERWORKING */
1251 if (config->pbc_in_m1)
1252 fprintf(f, "pbc_in_m1=%d\n", config->pbc_in_m1);
1253 if (config->wps_nfc_pw_from_config) {
1254 if (config->wps_nfc_dev_pw_id)
1255 fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1256 config->wps_nfc_dev_pw_id);
1257 write_global_bin(f, "wps_nfc_dh_pubkey",
1258 config->wps_nfc_dh_pubkey);
1259 write_global_bin(f, "wps_nfc_dh_privkey",
1260 config->wps_nfc_dh_privkey);
1261 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1262 }
1263
1264 if (config->ext_password_backend)
1265 fprintf(f, "ext_password_backend=%s\n",
1266 config->ext_password_backend);
1267 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1268 fprintf(f, "p2p_go_max_inactivity=%d\n",
1269 config->p2p_go_max_inactivity);
1270 if (config->auto_interworking)
1271 fprintf(f, "auto_interworking=%d\n",
1272 config->auto_interworking);
1273 if (config->okc)
1274 fprintf(f, "okc=%d\n", config->okc);
1275 if (config->pmf)
1276 fprintf(f, "pmf=%d\n", config->pmf);
1277 if (config->dtim_period)
1278 fprintf(f, "dtim_period=%d\n", config->dtim_period);
1279 if (config->beacon_int)
1280 fprintf(f, "beacon_int=%d\n", config->beacon_int);
1281
1282 if (config->sae_groups) {
1283 int i;
1284 fprintf(f, "sae_groups=");
1285 for (i = 0; config->sae_groups[i] > 0; i++) {
1286 fprintf(f, "%s%d", i > 0 ? " " : "",
1287 config->sae_groups[i]);
1288 }
1289 fprintf(f, "\n");
1290 }
1291
1292 if (config->ap_vendor_elements) {
1293 int i, len = wpabuf_len(config->ap_vendor_elements);
1294 const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1295 if (len > 0) {
1296 fprintf(f, "ap_vendor_elements=");
1297 for (i = 0; i < len; i++)
1298 fprintf(f, "%02x", *p++);
1299 fprintf(f, "\n");
1300 }
1301 }
1302
1303 if (config->ignore_old_scan_res)
1304 fprintf(f, "ignore_old_scan_res=%d\n",
1305 config->ignore_old_scan_res);
1306
1307 if (config->freq_list && config->freq_list[0]) {
1308 int i;
1309 fprintf(f, "freq_list=");
1310 for (i = 0; config->freq_list[i]; i++) {
1311 fprintf(f, "%s%d", i > 0 ? " " : "",
1312 config->freq_list[i]);
1313 }
1314 fprintf(f, "\n");
1315 }
1316 if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1317 fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
1318
1319 if (config->sched_scan_interval)
1320 fprintf(f, "sched_scan_interval=%u\n",
1321 config->sched_scan_interval);
1322
1323 if (config->external_sim)
1324 fprintf(f, "external_sim=%d\n", config->external_sim);
1325
1326 if (config->tdls_external_control)
1327 fprintf(f, "tdls_external_control=%d\n",
1328 config->tdls_external_control);
1329
1330 if (config->wowlan_triggers)
1331 fprintf(f, "wowlan_triggers=%s\n",
1332 config->wowlan_triggers);
1333
1334 if (config->bgscan)
1335 fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
1336
1337 if (config->autoscan)
1338 fprintf(f, "autoscan=%s\n", config->autoscan);
1339
1340 if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY)
1341 fprintf(f, "p2p_search_delay=%u\n",
1342 config->p2p_search_delay);
1343
1344 if (config->mac_addr)
1345 fprintf(f, "mac_addr=%d\n", config->mac_addr);
1346
1347 if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1348 fprintf(f, "rand_addr_lifetime=%u\n",
1349 config->rand_addr_lifetime);
1350
1351 if (config->preassoc_mac_addr)
1352 fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr);
1353
1354 if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD)
1355 fprintf(f, "key_mgmt_offload=%d\n", config->key_mgmt_offload);
1356
1357 if (config->user_mpm != DEFAULT_USER_MPM)
1358 fprintf(f, "user_mpm=%d\n", config->user_mpm);
1359
1360 if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS)
1361 fprintf(f, "max_peer_links=%d\n", config->max_peer_links);
1362
1363 if (config->cert_in_cb != DEFAULT_CERT_IN_CB)
1364 fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb);
1365
1366 if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY)
1367 fprintf(f, "mesh_max_inactivity=%d\n",
1368 config->mesh_max_inactivity);
1369
1370 if (config->dot11RSNASAERetransPeriod !=
1371 DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD)
1372 fprintf(f, "dot11RSNASAERetransPeriod=%d\n",
1373 config->dot11RSNASAERetransPeriod);
1374
1375 if (config->passive_scan)
1376 fprintf(f, "passive_scan=%d\n", config->passive_scan);
1377
1378 if (config->reassoc_same_bss_optim)
1379 fprintf(f, "reassoc_same_bss_optim=%d\n",
1380 config->reassoc_same_bss_optim);
1381
1382 if (config->wps_priority)
1383 fprintf(f, "wps_priority=%d\n", config->wps_priority);
1384
1385 if (config->wpa_rsc_relaxation != DEFAULT_WPA_RSC_RELAXATION)
1386 fprintf(f, "wpa_rsc_relaxation=%d\n",
1387 config->wpa_rsc_relaxation);
1388
1389 if (config->sched_scan_plans)
1390 fprintf(f, "sched_scan_plans=%s\n", config->sched_scan_plans);
1391
1392 #ifdef CONFIG_MBO
1393 if (config->non_pref_chan)
1394 fprintf(f, "non_pref_chan=%s\n", config->non_pref_chan);
1395 if (config->mbo_cell_capa != DEFAULT_MBO_CELL_CAPA)
1396 fprintf(f, "mbo_cell_capa=%u\n", config->mbo_cell_capa);
1397 #endif /* CONFIG_MBO */
1398
1399 if (config->gas_address3)
1400 fprintf(f, "gas_address3=%d\n", config->gas_address3);
1401
1402 if (config->ftm_responder)
1403 fprintf(f, "ftm_responder=%d\n", config->ftm_responder);
1404 if (config->ftm_initiator)
1405 fprintf(f, "ftm_initiator=%d\n", config->ftm_initiator);
1406
1407 if (config->osu_dir)
1408 fprintf(f, "osu_dir=%s\n", config->osu_dir);
1409
1410 if (config->fst_group_id)
1411 fprintf(f, "fst_group_id=%s\n", config->fst_group_id);
1412 if (config->fst_priority)
1413 fprintf(f, "fst_priority=%d\n", config->fst_priority);
1414 if (config->fst_llt)
1415 fprintf(f, "fst_llt=%d\n", config->fst_llt);
1416
1417 if (config->gas_rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1418 fprintf(f, "gas_rand_addr_lifetime=%u\n",
1419 config->gas_rand_addr_lifetime);
1420 if (config->gas_rand_mac_addr)
1421 fprintf(f, "gas_rand_mac_addr=%d\n", config->gas_rand_mac_addr);
1422
1423 }
1424
1425 #endif /* CONFIG_NO_CONFIG_WRITE */
1426
1427
wpa_config_write(const char * name,struct wpa_config * config)1428 int wpa_config_write(const char *name, struct wpa_config *config)
1429 {
1430 #ifndef CONFIG_NO_CONFIG_WRITE
1431 FILE *f;
1432 struct wpa_ssid *ssid;
1433 struct wpa_cred *cred;
1434 #ifndef CONFIG_NO_CONFIG_BLOBS
1435 struct wpa_config_blob *blob;
1436 #endif /* CONFIG_NO_CONFIG_BLOBS */
1437 int ret = 0;
1438 const char *orig_name = name;
1439 int tmp_len = os_strlen(name) + 5; /* allow space for .tmp suffix */
1440 char *tmp_name = os_malloc(tmp_len);
1441
1442 if (tmp_name) {
1443 os_snprintf(tmp_name, tmp_len, "%s.tmp", name);
1444 name = tmp_name;
1445 }
1446
1447 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1448
1449 f = fopen(name, "w");
1450 if (f == NULL) {
1451 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1452 os_free(tmp_name);
1453 return -1;
1454 }
1455
1456 wpa_config_write_global(f, config);
1457
1458 for (cred = config->cred; cred; cred = cred->next) {
1459 if (cred->temporary)
1460 continue;
1461 fprintf(f, "\ncred={\n");
1462 wpa_config_write_cred(f, cred);
1463 fprintf(f, "}\n");
1464 }
1465
1466 for (ssid = config->ssid; ssid; ssid = ssid->next) {
1467 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
1468 continue; /* do not save temporary networks */
1469 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
1470 !ssid->passphrase)
1471 continue; /* do not save invalid network */
1472 fprintf(f, "\nnetwork={\n");
1473 wpa_config_write_network(f, ssid);
1474 fprintf(f, "}\n");
1475 }
1476
1477 #ifndef CONFIG_NO_CONFIG_BLOBS
1478 for (blob = config->blobs; blob; blob = blob->next) {
1479 ret = wpa_config_write_blob(f, blob);
1480 if (ret)
1481 break;
1482 }
1483 #endif /* CONFIG_NO_CONFIG_BLOBS */
1484
1485 os_fdatasync(f);
1486
1487 fclose(f);
1488
1489 if (tmp_name) {
1490 int chmod_ret = 0;
1491
1492 #ifdef ANDROID
1493 chmod_ret = chmod(tmp_name,
1494 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
1495 #endif /* ANDROID */
1496 if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0)
1497 ret = -1;
1498
1499 os_free(tmp_name);
1500 }
1501
1502 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1503 orig_name, ret ? "un" : "");
1504 return ret;
1505 #else /* CONFIG_NO_CONFIG_WRITE */
1506 return -1;
1507 #endif /* CONFIG_NO_CONFIG_WRITE */
1508 }
1509