Line data Source code
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 :
15 : #include "common.h"
16 : #include "config.h"
17 : #include "base64.h"
18 : #include "uuid.h"
19 : #include "p2p/p2p.h"
20 : #include "eap_peer/eap_methods.h"
21 : #include "eap_peer/eap.h"
22 :
23 :
24 69 : static int newline_terminated(const char *buf, size_t buflen)
25 : {
26 69 : size_t len = os_strlen(buf);
27 69 : if (len == 0)
28 0 : return 0;
29 85 : if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
30 16 : buf[len - 1] != '\n')
31 16 : return 0;
32 53 : return 1;
33 : }
34 :
35 :
36 1 : static void skip_line_end(FILE *stream)
37 : {
38 : char buf[100];
39 17 : while (fgets(buf, sizeof(buf), stream)) {
40 16 : buf[sizeof(buf) - 1] = '\0';
41 16 : if (newline_terminated(buf, sizeof(buf)))
42 2 : return;
43 : }
44 : }
45 :
46 :
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 : */
61 53 : static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
62 : char **_pos)
63 : {
64 : char *pos, *end, *sstart;
65 :
66 111 : while (fgets(s, size, stream)) {
67 53 : (*line)++;
68 53 : s[size - 1] = '\0';
69 53 : if (!newline_terminated(s, size)) {
70 : /*
71 : * The line was truncated - skip rest of it to avoid
72 : * confusing error messages.
73 : */
74 1 : wpa_printf(MSG_INFO, "Long line in configuration file "
75 : "truncated");
76 1 : skip_line_end(stream);
77 : }
78 53 : pos = s;
79 :
80 : /* Skip white space from the beginning of line. */
81 134 : while (*pos == ' ' || *pos == '\t' || *pos == '\r')
82 28 : pos++;
83 :
84 : /* Skip comment lines and empty lines */
85 53 : if (*pos == '#' || *pos == '\n' || *pos == '\0')
86 5 : continue;
87 :
88 : /*
89 : * Remove # comments unless they are within a double quoted
90 : * string.
91 : */
92 48 : sstart = os_strchr(pos, '"');
93 48 : if (sstart)
94 10 : sstart = os_strrchr(sstart + 1, '"');
95 48 : if (!sstart)
96 38 : sstart = pos;
97 48 : end = os_strchr(sstart, '#');
98 48 : if (end)
99 1 : *end-- = '\0';
100 : else
101 47 : end = pos + os_strlen(pos) - 1;
102 :
103 : /* Remove trailing white space. */
104 1225 : while (end > pos &&
105 1174 : (*end == '\n' || *end == ' ' || *end == '\t' ||
106 46 : *end == '\r'))
107 542 : *end-- = '\0';
108 :
109 48 : if (*pos == '\0')
110 0 : continue;
111 :
112 48 : if (_pos)
113 48 : *_pos = pos;
114 48 : return pos;
115 : }
116 :
117 5 : if (_pos)
118 5 : *_pos = NULL;
119 5 : return NULL;
120 : }
121 :
122 :
123 1 : static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
124 : {
125 1 : int errors = 0;
126 :
127 1 : if (ssid->passphrase) {
128 1 : if (ssid->psk_set) {
129 0 : wpa_printf(MSG_ERROR, "Line %d: both PSK and "
130 : "passphrase configured.", line);
131 0 : errors++;
132 : }
133 1 : wpa_config_update_psk(ssid);
134 : }
135 :
136 2 : if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
137 1 : !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
138 0 : !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
139 : /* Group cipher cannot be stronger than the pairwise cipher. */
140 0 : wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
141 : " list since it was not allowed for pairwise "
142 : "cipher", line);
143 0 : ssid->group_cipher &= ~WPA_CIPHER_CCMP;
144 : }
145 :
146 1 : return errors;
147 : }
148 :
149 :
150 1 : static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
151 : {
152 : struct wpa_ssid *ssid;
153 1 : int errors = 0, end = 0;
154 : char buf[2000], *pos, *pos2;
155 :
156 1 : wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
157 : *line);
158 1 : ssid = os_zalloc(sizeof(*ssid));
159 1 : if (ssid == NULL)
160 0 : return NULL;
161 1 : dl_list_init(&ssid->psk_list);
162 1 : ssid->id = id;
163 :
164 1 : wpa_config_set_network_defaults(ssid);
165 :
166 11 : while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
167 10 : if (os_strcmp(pos, "}") == 0) {
168 1 : end = 1;
169 1 : break;
170 : }
171 :
172 9 : pos2 = os_strchr(pos, '=');
173 9 : if (pos2 == NULL) {
174 0 : wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
175 : "'%s'.", *line, pos);
176 0 : errors++;
177 0 : continue;
178 : }
179 :
180 9 : *pos2++ = '\0';
181 9 : if (*pos2 == '"') {
182 2 : if (os_strchr(pos2 + 1, '"') == NULL) {
183 0 : wpa_printf(MSG_ERROR, "Line %d: invalid "
184 : "quotation '%s'.", *line, pos2);
185 0 : errors++;
186 0 : continue;
187 : }
188 : }
189 :
190 9 : if (wpa_config_set(ssid, pos, pos2, *line) < 0)
191 0 : errors++;
192 : }
193 :
194 1 : if (!end) {
195 0 : wpa_printf(MSG_ERROR, "Line %d: network block was not "
196 : "terminated properly.", *line);
197 0 : errors++;
198 : }
199 :
200 1 : errors += wpa_config_validate_network(ssid, *line);
201 :
202 1 : if (errors) {
203 0 : wpa_config_free_ssid(ssid);
204 0 : ssid = NULL;
205 : }
206 :
207 1 : return ssid;
208 : }
209 :
210 :
211 1 : static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
212 : {
213 : struct wpa_cred *cred;
214 1 : int errors = 0, end = 0;
215 : char buf[256], *pos, *pos2;
216 :
217 1 : wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
218 1 : cred = os_zalloc(sizeof(*cred));
219 1 : if (cred == NULL)
220 0 : return NULL;
221 1 : cred->id = id;
222 1 : cred->sim_num = DEFAULT_USER_SELECTED_SIM;
223 :
224 18 : while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
225 17 : if (os_strcmp(pos, "}") == 0) {
226 1 : end = 1;
227 1 : break;
228 : }
229 :
230 16 : pos2 = os_strchr(pos, '=');
231 16 : if (pos2 == NULL) {
232 0 : wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
233 : "'%s'.", *line, pos);
234 0 : errors++;
235 0 : continue;
236 : }
237 :
238 16 : *pos2++ = '\0';
239 16 : if (*pos2 == '"') {
240 8 : if (os_strchr(pos2 + 1, '"') == NULL) {
241 0 : wpa_printf(MSG_ERROR, "Line %d: invalid "
242 : "quotation '%s'.", *line, pos2);
243 0 : errors++;
244 0 : continue;
245 : }
246 : }
247 :
248 16 : if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
249 0 : errors++;
250 : }
251 :
252 1 : if (!end) {
253 0 : wpa_printf(MSG_ERROR, "Line %d: cred block was not "
254 : "terminated properly.", *line);
255 0 : errors++;
256 : }
257 :
258 1 : if (errors) {
259 0 : wpa_config_free_cred(cred);
260 0 : cred = NULL;
261 : }
262 :
263 1 : return cred;
264 : }
265 :
266 :
267 : #ifndef CONFIG_NO_CONFIG_BLOBS
268 1 : static 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 1 : unsigned char *encoded = NULL, *nencoded;
274 1 : int end = 0;
275 1 : size_t encoded_len = 0, len;
276 :
277 1 : wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
278 : *line, name);
279 :
280 3 : while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
281 2 : if (os_strcmp(pos, "}") == 0) {
282 1 : end = 1;
283 1 : break;
284 : }
285 :
286 1 : len = os_strlen(pos);
287 1 : nencoded = os_realloc(encoded, encoded_len + len);
288 1 : if (nencoded == NULL) {
289 0 : wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
290 : "blob", *line);
291 0 : os_free(encoded);
292 0 : return NULL;
293 : }
294 1 : encoded = nencoded;
295 1 : os_memcpy(encoded + encoded_len, pos, len);
296 1 : encoded_len += len;
297 : }
298 :
299 1 : if (!end) {
300 0 : wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
301 : "properly", *line);
302 0 : os_free(encoded);
303 0 : return NULL;
304 : }
305 :
306 1 : blob = os_zalloc(sizeof(*blob));
307 1 : if (blob == NULL) {
308 0 : os_free(encoded);
309 0 : return NULL;
310 : }
311 1 : blob->name = os_strdup(name);
312 1 : blob->data = base64_decode(encoded, encoded_len, &blob->len);
313 1 : os_free(encoded);
314 :
315 1 : if (blob->name == NULL || blob->data == NULL) {
316 0 : wpa_config_free_blob(blob);
317 0 : return NULL;
318 : }
319 :
320 1 : return blob;
321 : }
322 :
323 :
324 1 : static 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 1 : name_end = os_strchr(bname, '=');
331 1 : if (name_end == NULL) {
332 0 : wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
333 : *line);
334 0 : return -1;
335 : }
336 1 : *name_end = '\0';
337 :
338 1 : blob = wpa_config_read_blob(f, line, bname);
339 1 : if (blob == NULL) {
340 0 : wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
341 : *line, bname);
342 0 : return -1;
343 : }
344 1 : wpa_config_set_blob(config, blob);
345 1 : return 0;
346 : }
347 : #endif /* CONFIG_NO_CONFIG_BLOBS */
348 :
349 :
350 22 : struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp)
351 : {
352 : FILE *f;
353 : char buf[512], *pos;
354 22 : int errors = 0, line = 0;
355 : struct wpa_ssid *ssid, *tail, *head;
356 : struct wpa_cred *cred, *cred_tail, *cred_head;
357 : struct wpa_config *config;
358 22 : int id = 0;
359 22 : int cred_id = 0;
360 :
361 22 : if (name == NULL)
362 10 : return NULL;
363 12 : if (cfgp)
364 0 : config = cfgp;
365 : else
366 12 : config = wpa_config_alloc_empty(NULL, NULL);
367 12 : if (config == NULL) {
368 0 : wpa_printf(MSG_ERROR, "Failed to allocate config file "
369 : "structure");
370 0 : return NULL;
371 : }
372 12 : tail = head = config->ssid;
373 24 : while (tail && tail->next)
374 0 : tail = tail->next;
375 12 : cred_tail = cred_head = config->cred;
376 24 : while (cred_tail && cred_tail->next)
377 0 : cred_tail = cred_tail->next;
378 :
379 12 : wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
380 12 : f = fopen(name, "r");
381 12 : if (f == NULL) {
382 7 : wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
383 7 : "error: %s", name, strerror(errno));
384 7 : os_free(config);
385 7 : return NULL;
386 : }
387 :
388 29 : while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
389 19 : if (os_strcmp(pos, "network={") == 0) {
390 1 : ssid = wpa_config_read_network(f, &line, id++);
391 1 : if (ssid == NULL) {
392 0 : wpa_printf(MSG_ERROR, "Line %d: failed to "
393 : "parse network block.", line);
394 0 : errors++;
395 0 : continue;
396 : }
397 1 : if (head == NULL) {
398 1 : head = tail = ssid;
399 : } else {
400 0 : tail->next = ssid;
401 0 : tail = ssid;
402 : }
403 1 : if (wpa_config_add_prio_network(config, ssid)) {
404 0 : wpa_printf(MSG_ERROR, "Line %d: failed to add "
405 : "network block to priority list.",
406 : line);
407 0 : errors++;
408 0 : continue;
409 : }
410 18 : } else if (os_strcmp(pos, "cred={") == 0) {
411 1 : cred = wpa_config_read_cred(f, &line, cred_id++);
412 1 : if (cred == NULL) {
413 0 : wpa_printf(MSG_ERROR, "Line %d: failed to "
414 : "parse cred block.", line);
415 0 : errors++;
416 0 : continue;
417 : }
418 1 : if (cred_head == NULL) {
419 1 : cred_head = cred_tail = cred;
420 : } else {
421 0 : cred_tail->next = cred;
422 0 : cred_tail = cred;
423 : }
424 : #ifndef CONFIG_NO_CONFIG_BLOBS
425 17 : } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
426 1 : if (wpa_config_process_blob(config, f, &line, pos + 12)
427 : < 0) {
428 0 : wpa_printf(MSG_ERROR, "Line %d: failed to "
429 : "process blob.", line);
430 0 : errors++;
431 0 : continue;
432 : }
433 : #endif /* CONFIG_NO_CONFIG_BLOBS */
434 16 : } else if (wpa_config_process_global(config, pos, line) < 0) {
435 0 : wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
436 : "line '%s'.", line, pos);
437 0 : errors++;
438 0 : continue;
439 : }
440 : }
441 :
442 5 : fclose(f);
443 :
444 5 : config->ssid = head;
445 5 : wpa_config_debug_dump_networks(config);
446 5 : config->cred = cred_head;
447 :
448 : #ifndef WPA_IGNORE_CONFIG_ERRORS
449 5 : if (errors) {
450 0 : wpa_config_free(config);
451 0 : config = NULL;
452 0 : head = NULL;
453 : }
454 : #endif /* WPA_IGNORE_CONFIG_ERRORS */
455 :
456 5 : return config;
457 : }
458 :
459 :
460 : #ifndef CONFIG_NO_CONFIG_WRITE
461 :
462 120 : static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
463 : {
464 120 : char *value = wpa_config_get(ssid, field);
465 120 : if (value == NULL)
466 237 : return;
467 3 : fprintf(f, "\t%s=%s\n", field, value);
468 3 : os_free(value);
469 : }
470 :
471 :
472 57 : static void write_int(FILE *f, const char *field, int value, int def)
473 : {
474 57 : if (value == def)
475 111 : return;
476 3 : fprintf(f, "\t%s=%d\n", field, value);
477 : }
478 :
479 :
480 3 : static void write_bssid(FILE *f, struct wpa_ssid *ssid)
481 : {
482 3 : char *value = wpa_config_get(ssid, "bssid");
483 3 : if (value == NULL)
484 3 : return;
485 3 : fprintf(f, "\tbssid=%s\n", value);
486 3 : os_free(value);
487 : }
488 :
489 :
490 3 : static void write_psk(FILE *f, struct wpa_ssid *ssid)
491 : {
492 3 : char *value = wpa_config_get(ssid, "psk");
493 3 : if (value == NULL)
494 3 : return;
495 3 : fprintf(f, "\tpsk=%s\n", value);
496 3 : os_free(value);
497 : }
498 :
499 :
500 3 : static void write_proto(FILE *f, struct wpa_ssid *ssid)
501 : {
502 : char *value;
503 :
504 3 : if (ssid->proto == DEFAULT_PROTO)
505 0 : return;
506 :
507 3 : value = wpa_config_get(ssid, "proto");
508 3 : if (value == NULL)
509 0 : return;
510 3 : if (value[0])
511 3 : fprintf(f, "\tproto=%s\n", value);
512 3 : os_free(value);
513 : }
514 :
515 :
516 3 : static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
517 : {
518 : char *value;
519 :
520 3 : if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
521 0 : return;
522 :
523 3 : value = wpa_config_get(ssid, "key_mgmt");
524 3 : if (value == NULL)
525 0 : return;
526 3 : if (value[0])
527 3 : fprintf(f, "\tkey_mgmt=%s\n", value);
528 3 : os_free(value);
529 : }
530 :
531 :
532 3 : static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
533 : {
534 : char *value;
535 :
536 3 : if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
537 0 : return;
538 :
539 3 : value = wpa_config_get(ssid, "pairwise");
540 3 : if (value == NULL)
541 0 : return;
542 3 : if (value[0])
543 3 : fprintf(f, "\tpairwise=%s\n", value);
544 3 : os_free(value);
545 : }
546 :
547 :
548 3 : static void write_group(FILE *f, struct wpa_ssid *ssid)
549 : {
550 : char *value;
551 :
552 3 : if (ssid->group_cipher == DEFAULT_GROUP)
553 0 : return;
554 :
555 3 : value = wpa_config_get(ssid, "group");
556 3 : if (value == NULL)
557 0 : return;
558 3 : if (value[0])
559 3 : fprintf(f, "\tgroup=%s\n", value);
560 3 : os_free(value);
561 : }
562 :
563 :
564 3 : static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
565 : {
566 : char *value;
567 :
568 3 : if (ssid->auth_alg == 0)
569 0 : return;
570 :
571 3 : value = wpa_config_get(ssid, "auth_alg");
572 3 : if (value == NULL)
573 0 : return;
574 3 : if (value[0])
575 3 : fprintf(f, "\tauth_alg=%s\n", value);
576 3 : os_free(value);
577 : }
578 :
579 :
580 : #ifdef IEEE8021X_EAPOL
581 3 : static void write_eap(FILE *f, struct wpa_ssid *ssid)
582 : {
583 : char *value;
584 :
585 3 : value = wpa_config_get(ssid, "eap");
586 3 : if (value == NULL)
587 6 : return;
588 :
589 0 : if (value[0])
590 0 : fprintf(f, "\teap=%s\n", value);
591 0 : os_free(value);
592 : }
593 : #endif /* IEEE8021X_EAPOL */
594 :
595 :
596 12 : static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
597 : {
598 : char field[20], *value;
599 : int res;
600 :
601 12 : res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
602 12 : if (res < 0 || (size_t) res >= sizeof(field))
603 12 : return;
604 12 : value = wpa_config_get(ssid, field);
605 12 : if (value) {
606 0 : fprintf(f, "\t%s=%s\n", field, value);
607 0 : os_free(value);
608 : }
609 : }
610 :
611 :
612 : #ifdef CONFIG_P2P
613 :
614 3 : static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
615 : {
616 3 : char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
617 3 : if (value == NULL)
618 6 : return;
619 0 : fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
620 0 : os_free(value);
621 : }
622 :
623 3 : static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
624 : {
625 3 : char *value = wpa_config_get(ssid, "p2p_client_list");
626 3 : if (value == NULL)
627 6 : return;
628 0 : fprintf(f, "\tp2p_client_list=%s\n", value);
629 0 : os_free(value);
630 : }
631 :
632 :
633 3 : static 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 3 : dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
639 0 : wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
640 0 : fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
641 0 : psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
642 : }
643 3 : }
644 :
645 : #endif /* CONFIG_P2P */
646 :
647 :
648 3 : static 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 3 : STR(ssid);
659 3 : INT(scan_ssid);
660 3 : write_bssid(f, ssid);
661 3 : write_psk(f, ssid);
662 3 : write_proto(f, ssid);
663 3 : write_key_mgmt(f, ssid);
664 3 : INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
665 3 : write_pairwise(f, ssid);
666 3 : write_group(f, ssid);
667 3 : write_auth_alg(f, ssid);
668 3 : STR(bgscan);
669 3 : STR(autoscan);
670 3 : STR(scan_freq);
671 : #ifdef IEEE8021X_EAPOL
672 3 : write_eap(f, ssid);
673 3 : STR(identity);
674 3 : STR(anonymous_identity);
675 3 : STR(password);
676 3 : STR(ca_cert);
677 3 : STR(ca_path);
678 3 : STR(client_cert);
679 3 : STR(private_key);
680 3 : STR(private_key_passwd);
681 3 : STR(dh_file);
682 3 : STR(subject_match);
683 3 : STR(altsubject_match);
684 3 : STR(domain_suffix_match);
685 3 : STR(ca_cert2);
686 3 : STR(ca_path2);
687 3 : STR(client_cert2);
688 3 : STR(private_key2);
689 3 : STR(private_key2_passwd);
690 3 : STR(dh_file2);
691 3 : STR(subject_match2);
692 3 : STR(altsubject_match2);
693 3 : STR(domain_suffix_match2);
694 3 : STR(phase1);
695 3 : STR(phase2);
696 3 : STR(pcsc);
697 3 : STR(pin);
698 3 : STR(engine_id);
699 3 : STR(key_id);
700 3 : STR(cert_id);
701 3 : STR(ca_cert_id);
702 3 : STR(key2_id);
703 3 : STR(pin2);
704 3 : STR(engine2_id);
705 3 : STR(cert2_id);
706 3 : STR(ca_cert2_id);
707 3 : INTe(engine);
708 3 : INTe(engine2);
709 3 : INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
710 : #endif /* IEEE8021X_EAPOL */
711 15 : for (i = 0; i < 4; i++)
712 12 : write_wep_key(f, i, ssid);
713 3 : INT(wep_tx_keyidx);
714 3 : INT(priority);
715 : #ifdef IEEE8021X_EAPOL
716 3 : INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
717 3 : STR(pac_file);
718 3 : INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
719 3 : INTe(ocsp);
720 3 : INT_DEFe(sim_num, DEFAULT_USER_SELECTED_SIM);
721 : #endif /* IEEE8021X_EAPOL */
722 3 : INT(mode);
723 3 : INT(frequency);
724 3 : write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
725 3 : INT(disabled);
726 3 : INT(peerkey);
727 : #ifdef CONFIG_IEEE80211W
728 3 : write_int(f, "ieee80211w", ssid->ieee80211w,
729 : MGMT_FRAME_PROTECTION_DEFAULT);
730 : #endif /* CONFIG_IEEE80211W */
731 3 : STR(id_str);
732 : #ifdef CONFIG_P2P
733 3 : write_go_p2p_dev_addr(f, ssid);
734 3 : write_p2p_client_list(f, ssid);
735 3 : write_psk_list(f, ssid);
736 : #endif /* CONFIG_P2P */
737 3 : INT(dtim_period);
738 3 : INT(beacon_int);
739 : #ifdef CONFIG_MACSEC
740 : INT(macsec_policy);
741 : #endif /* CONFIG_MACSEC */
742 :
743 : #undef STR
744 : #undef INT
745 : #undef INT_DEF
746 3 : }
747 :
748 :
749 3 : static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
750 : {
751 : size_t i;
752 :
753 3 : if (cred->priority)
754 3 : fprintf(f, "\tpriority=%d\n", cred->priority);
755 3 : if (cred->pcsc)
756 0 : fprintf(f, "\tpcsc=%d\n", cred->pcsc);
757 3 : if (cred->realm)
758 3 : fprintf(f, "\trealm=\"%s\"\n", cred->realm);
759 3 : if (cred->username)
760 3 : fprintf(f, "\tusername=\"%s\"\n", cred->username);
761 3 : if (cred->password && cred->ext_password)
762 0 : fprintf(f, "\tpassword=ext:%s\n", cred->password);
763 3 : else if (cred->password)
764 3 : fprintf(f, "\tpassword=\"%s\"\n", cred->password);
765 3 : if (cred->ca_cert)
766 3 : fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
767 3 : if (cred->client_cert)
768 0 : fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
769 3 : if (cred->private_key)
770 0 : fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
771 3 : if (cred->private_key_passwd)
772 0 : fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
773 : cred->private_key_passwd);
774 3 : if (cred->imsi)
775 0 : fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
776 3 : if (cred->milenage)
777 0 : fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
778 6 : for (i = 0; i < cred->num_domain; i++)
779 3 : fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
780 3 : if (cred->domain_suffix_match)
781 3 : fprintf(f, "\tdomain_suffix_match=\"%s\"\n",
782 : cred->domain_suffix_match);
783 3 : if (cred->roaming_consortium_len) {
784 3 : fprintf(f, "\troaming_consortium=");
785 12 : for (i = 0; i < cred->roaming_consortium_len; i++)
786 9 : fprintf(f, "%02x", cred->roaming_consortium[i]);
787 3 : fprintf(f, "\n");
788 : }
789 3 : if (cred->eap_method) {
790 : const char *name;
791 3 : name = eap_get_name(cred->eap_method[0].vendor,
792 3 : cred->eap_method[0].method);
793 3 : fprintf(f, "\teap=%s\n", name);
794 : }
795 3 : if (cred->phase1)
796 0 : fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
797 3 : if (cred->phase2)
798 0 : fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
799 3 : if (cred->excluded_ssid) {
800 : size_t j;
801 0 : for (i = 0; i < cred->num_excluded_ssid; i++) {
802 0 : struct excluded_ssid *e = &cred->excluded_ssid[i];
803 0 : fprintf(f, "\texcluded_ssid=");
804 0 : for (j = 0; j < e->ssid_len; j++)
805 0 : fprintf(f, "%02x", e->ssid[j]);
806 0 : fprintf(f, "\n");
807 : }
808 : }
809 3 : if (cred->roaming_partner) {
810 6 : for (i = 0; i < cred->num_roaming_partner; i++) {
811 3 : struct roaming_partner *p = &cred->roaming_partner[i];
812 6 : fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n",
813 6 : p->fqdn, p->exact_match, p->priority,
814 3 : p->country);
815 : }
816 : }
817 3 : if (cred->update_identifier)
818 3 : fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
819 :
820 3 : if (cred->provisioning_sp)
821 3 : fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
822 3 : if (cred->sp_priority)
823 3 : fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
824 :
825 3 : if (cred->min_dl_bandwidth_home)
826 0 : fprintf(f, "\tmin_dl_bandwidth_home=%u\n",
827 : cred->min_dl_bandwidth_home);
828 3 : if (cred->min_ul_bandwidth_home)
829 0 : fprintf(f, "\tmin_ul_bandwidth_home=%u\n",
830 : cred->min_ul_bandwidth_home);
831 3 : if (cred->min_dl_bandwidth_roaming)
832 0 : fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n",
833 : cred->min_dl_bandwidth_roaming);
834 3 : if (cred->min_ul_bandwidth_roaming)
835 0 : fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n",
836 : cred->min_ul_bandwidth_roaming);
837 :
838 3 : if (cred->max_bss_load)
839 0 : fprintf(f, "\tmax_bss_load=%u\n",
840 : cred->max_bss_load);
841 :
842 3 : if (cred->ocsp)
843 3 : fprintf(f, "\tocsp=%d\n", cred->ocsp);
844 :
845 3 : if (cred->num_req_conn_capab) {
846 6 : for (i = 0; i < cred->num_req_conn_capab; i++) {
847 : int *ports;
848 :
849 3 : fprintf(f, "\treq_conn_capab=%u",
850 3 : cred->req_conn_capab_proto[i]);
851 3 : ports = cred->req_conn_capab_port[i];
852 3 : if (ports) {
853 : int j;
854 6 : for (j = 0; ports[j] != -1; j++) {
855 3 : fprintf(f, "%s%d", j > 0 ? "," : ":",
856 3 : ports[j]);
857 : }
858 : }
859 3 : fprintf(f, "\n");
860 : }
861 : }
862 :
863 3 : if (cred->required_roaming_consortium_len) {
864 3 : fprintf(f, "\trequired_roaming_consortium=");
865 12 : for (i = 0; i < cred->required_roaming_consortium_len; i++)
866 9 : fprintf(f, "%02x",
867 9 : cred->required_roaming_consortium[i]);
868 3 : fprintf(f, "\n");
869 : }
870 :
871 3 : if (cred->sim_num != DEFAULT_USER_SELECTED_SIM)
872 0 : fprintf(f, "\tsim_num=%d\n", cred->sim_num);
873 3 : }
874 :
875 :
876 : #ifndef CONFIG_NO_CONFIG_BLOBS
877 3 : static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
878 : {
879 : unsigned char *encoded;
880 :
881 3 : encoded = base64_encode(blob->data, blob->len, NULL);
882 3 : if (encoded == NULL)
883 0 : return -1;
884 :
885 3 : fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
886 3 : os_free(encoded);
887 3 : return 0;
888 : }
889 : #endif /* CONFIG_NO_CONFIG_BLOBS */
890 :
891 :
892 0 : static 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 0 : if (val == NULL)
899 0 : return;
900 :
901 0 : fprintf(f, "%s=", field);
902 0 : pos = wpabuf_head(val);
903 0 : for (i = 0; i < wpabuf_len(val); i++)
904 0 : fprintf(f, "%02X", *pos++);
905 0 : fprintf(f, "\n");
906 : }
907 :
908 :
909 3 : static void wpa_config_write_global(FILE *f, struct wpa_config *config)
910 : {
911 : #ifdef CONFIG_CTRL_IFACE
912 3 : if (config->ctrl_interface)
913 3 : fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
914 3 : if (config->ctrl_interface_group)
915 0 : fprintf(f, "ctrl_interface_group=%s\n",
916 : config->ctrl_interface_group);
917 : #endif /* CONFIG_CTRL_IFACE */
918 3 : if (config->eapol_version != DEFAULT_EAPOL_VERSION)
919 3 : fprintf(f, "eapol_version=%d\n", config->eapol_version);
920 3 : if (config->ap_scan != DEFAULT_AP_SCAN)
921 0 : fprintf(f, "ap_scan=%d\n", config->ap_scan);
922 3 : if (config->disable_scan_offload)
923 0 : fprintf(f, "disable_scan_offload=%d\n",
924 : config->disable_scan_offload);
925 3 : if (config->fast_reauth != DEFAULT_FAST_REAUTH)
926 0 : fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
927 3 : if (config->opensc_engine_path)
928 0 : fprintf(f, "opensc_engine_path=%s\n",
929 : config->opensc_engine_path);
930 3 : if (config->pkcs11_engine_path)
931 0 : fprintf(f, "pkcs11_engine_path=%s\n",
932 : config->pkcs11_engine_path);
933 3 : if (config->pkcs11_module_path)
934 0 : fprintf(f, "pkcs11_module_path=%s\n",
935 : config->pkcs11_module_path);
936 3 : if (config->pcsc_reader)
937 0 : fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
938 3 : if (config->pcsc_pin)
939 0 : fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
940 3 : if (config->driver_param)
941 0 : fprintf(f, "driver_param=%s\n", config->driver_param);
942 3 : if (config->dot11RSNAConfigPMKLifetime)
943 0 : fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n",
944 : config->dot11RSNAConfigPMKLifetime);
945 3 : if (config->dot11RSNAConfigPMKReauthThreshold)
946 0 : fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n",
947 : config->dot11RSNAConfigPMKReauthThreshold);
948 3 : if (config->dot11RSNAConfigSATimeout)
949 0 : fprintf(f, "dot11RSNAConfigSATimeout=%d\n",
950 : config->dot11RSNAConfigSATimeout);
951 3 : if (config->update_config)
952 3 : fprintf(f, "update_config=%d\n", config->update_config);
953 : #ifdef CONFIG_WPS
954 3 : if (!is_nil_uuid(config->uuid)) {
955 : char buf[40];
956 0 : uuid_bin2str(config->uuid, buf, sizeof(buf));
957 0 : fprintf(f, "uuid=%s\n", buf);
958 : }
959 3 : if (config->device_name)
960 3 : fprintf(f, "device_name=%s\n", config->device_name);
961 3 : if (config->manufacturer)
962 0 : fprintf(f, "manufacturer=%s\n", config->manufacturer);
963 3 : if (config->model_name)
964 0 : fprintf(f, "model_name=%s\n", config->model_name);
965 3 : if (config->model_number)
966 0 : fprintf(f, "model_number=%s\n", config->model_number);
967 3 : if (config->serial_number)
968 0 : fprintf(f, "serial_number=%s\n", config->serial_number);
969 : {
970 : char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
971 3 : buf = wps_dev_type_bin2str(config->device_type,
972 : _buf, sizeof(_buf));
973 3 : if (os_strcmp(buf, "0-00000000-0") != 0)
974 0 : fprintf(f, "device_type=%s\n", buf);
975 : }
976 3 : if (WPA_GET_BE32(config->os_version))
977 0 : fprintf(f, "os_version=%08x\n",
978 0 : WPA_GET_BE32(config->os_version));
979 3 : if (config->config_methods)
980 0 : fprintf(f, "config_methods=%s\n", config->config_methods);
981 3 : if (config->wps_cred_processing)
982 0 : fprintf(f, "wps_cred_processing=%d\n",
983 : config->wps_cred_processing);
984 3 : if (config->wps_vendor_ext_m1) {
985 0 : int i, len = wpabuf_len(config->wps_vendor_ext_m1);
986 0 : const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
987 0 : if (len > 0) {
988 0 : fprintf(f, "wps_vendor_ext_m1=");
989 0 : for (i = 0; i < len; i++)
990 0 : fprintf(f, "%02x", *p++);
991 0 : fprintf(f, "\n");
992 : }
993 : }
994 : #endif /* CONFIG_WPS */
995 : #ifdef CONFIG_P2P
996 3 : if (config->p2p_listen_reg_class)
997 0 : fprintf(f, "p2p_listen_reg_class=%u\n",
998 : config->p2p_listen_reg_class);
999 3 : if (config->p2p_listen_channel)
1000 0 : fprintf(f, "p2p_listen_channel=%u\n",
1001 : config->p2p_listen_channel);
1002 3 : if (config->p2p_oper_reg_class)
1003 0 : fprintf(f, "p2p_oper_reg_class=%u\n",
1004 : config->p2p_oper_reg_class);
1005 3 : if (config->p2p_oper_channel)
1006 0 : fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel);
1007 3 : if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
1008 0 : fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent);
1009 3 : if (config->p2p_ssid_postfix)
1010 0 : fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
1011 3 : if (config->persistent_reconnect)
1012 0 : fprintf(f, "persistent_reconnect=%u\n",
1013 : config->persistent_reconnect);
1014 3 : if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
1015 0 : fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss);
1016 3 : if (config->p2p_group_idle)
1017 0 : fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle);
1018 3 : if (config->p2p_pref_chan) {
1019 : unsigned int i;
1020 0 : fprintf(f, "p2p_pref_chan=");
1021 0 : for (i = 0; i < config->num_p2p_pref_chan; i++) {
1022 0 : fprintf(f, "%s%u:%u", i > 0 ? "," : "",
1023 0 : config->p2p_pref_chan[i].op_class,
1024 0 : config->p2p_pref_chan[i].chan);
1025 : }
1026 0 : fprintf(f, "\n");
1027 : }
1028 3 : if (config->p2p_no_go_freq.num) {
1029 0 : char *val = freq_range_list_str(&config->p2p_no_go_freq);
1030 0 : if (val) {
1031 0 : fprintf(f, "p2p_no_go_freq=%s\n", val);
1032 0 : os_free(val);
1033 : }
1034 : }
1035 3 : if (config->p2p_add_cli_chan)
1036 0 : fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
1037 3 : if (config->p2p_go_ht40)
1038 0 : fprintf(f, "p2p_go_ht40=%u\n", config->p2p_go_ht40);
1039 3 : if (config->p2p_go_vht)
1040 0 : fprintf(f, "p2p_go_vht=%u\n", config->p2p_go_vht);
1041 3 : if (config->p2p_disabled)
1042 0 : fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled);
1043 3 : if (config->p2p_no_group_iface)
1044 0 : fprintf(f, "p2p_no_group_iface=%u\n",
1045 : config->p2p_no_group_iface);
1046 3 : if (config->p2p_ignore_shared_freq)
1047 0 : fprintf(f, "p2p_ignore_shared_freq=%u\n",
1048 : config->p2p_ignore_shared_freq);
1049 : #endif /* CONFIG_P2P */
1050 3 : if (config->country[0] && config->country[1]) {
1051 0 : fprintf(f, "country=%c%c\n",
1052 0 : config->country[0], config->country[1]);
1053 : }
1054 3 : if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
1055 0 : fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
1056 3 : if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
1057 0 : fprintf(f, "bss_expiration_age=%u\n",
1058 : config->bss_expiration_age);
1059 3 : if (config->bss_expiration_scan_count !=
1060 : DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
1061 0 : fprintf(f, "bss_expiration_scan_count=%u\n",
1062 : config->bss_expiration_scan_count);
1063 3 : if (config->filter_ssids)
1064 0 : fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
1065 3 : if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
1066 0 : fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
1067 3 : if (config->disassoc_low_ack)
1068 0 : fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack);
1069 : #ifdef CONFIG_HS20
1070 3 : if (config->hs20)
1071 0 : fprintf(f, "hs20=1\n");
1072 : #endif /* CONFIG_HS20 */
1073 : #ifdef CONFIG_INTERWORKING
1074 3 : if (config->interworking)
1075 0 : fprintf(f, "interworking=%u\n", config->interworking);
1076 3 : if (!is_zero_ether_addr(config->hessid))
1077 0 : fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
1078 3 : if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1079 0 : fprintf(f, "access_network_type=%d\n",
1080 : config->access_network_type);
1081 : #endif /* CONFIG_INTERWORKING */
1082 3 : if (config->pbc_in_m1)
1083 0 : fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1);
1084 3 : if (config->wps_nfc_pw_from_config) {
1085 0 : if (config->wps_nfc_dev_pw_id)
1086 0 : fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1087 : config->wps_nfc_dev_pw_id);
1088 0 : write_global_bin(f, "wps_nfc_dh_pubkey",
1089 0 : config->wps_nfc_dh_pubkey);
1090 0 : write_global_bin(f, "wps_nfc_dh_privkey",
1091 0 : config->wps_nfc_dh_privkey);
1092 0 : write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1093 : }
1094 :
1095 3 : if (config->ext_password_backend)
1096 0 : fprintf(f, "ext_password_backend=%s\n",
1097 : config->ext_password_backend);
1098 3 : if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1099 0 : fprintf(f, "p2p_go_max_inactivity=%d\n",
1100 : config->p2p_go_max_inactivity);
1101 3 : if (config->auto_interworking)
1102 0 : fprintf(f, "auto_interworking=%d\n",
1103 : config->auto_interworking);
1104 3 : if (config->okc)
1105 0 : fprintf(f, "okc=%d\n", config->okc);
1106 3 : if (config->pmf)
1107 0 : fprintf(f, "pmf=%d\n", config->pmf);
1108 3 : if (config->dtim_period)
1109 0 : fprintf(f, "dtim_period=%d\n", config->dtim_period);
1110 3 : if (config->beacon_int)
1111 0 : fprintf(f, "beacon_int=%d\n", config->beacon_int);
1112 :
1113 3 : if (config->sae_groups) {
1114 : int i;
1115 0 : fprintf(f, "sae_groups=");
1116 0 : for (i = 0; config->sae_groups[i] >= 0; i++) {
1117 0 : fprintf(f, "%s%d", i > 0 ? " " : "",
1118 0 : config->sae_groups[i]);
1119 : }
1120 0 : fprintf(f, "\n");
1121 : }
1122 :
1123 3 : if (config->ap_vendor_elements) {
1124 0 : int i, len = wpabuf_len(config->ap_vendor_elements);
1125 0 : const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1126 0 : if (len > 0) {
1127 0 : fprintf(f, "ap_vendor_elements=");
1128 0 : for (i = 0; i < len; i++)
1129 0 : fprintf(f, "%02x", *p++);
1130 0 : fprintf(f, "\n");
1131 : }
1132 : }
1133 :
1134 3 : if (config->ignore_old_scan_res)
1135 0 : fprintf(f, "ignore_old_scan_res=%d\n",
1136 : config->ignore_old_scan_res);
1137 :
1138 3 : if (config->freq_list && config->freq_list[0]) {
1139 : int i;
1140 0 : fprintf(f, "freq_list=");
1141 0 : for (i = 0; config->freq_list[i]; i++) {
1142 0 : fprintf(f, "%s%u", i > 0 ? " " : "",
1143 0 : config->freq_list[i]);
1144 : }
1145 0 : fprintf(f, "\n");
1146 : }
1147 3 : if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1148 0 : fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
1149 :
1150 3 : if (config->sched_scan_interval)
1151 0 : fprintf(f, "sched_scan_interval=%u\n",
1152 : config->sched_scan_interval);
1153 :
1154 3 : if (config->external_sim)
1155 0 : fprintf(f, "external_sim=%d\n", config->external_sim);
1156 :
1157 3 : if (config->tdls_external_control)
1158 0 : fprintf(f, "tdls_external_control=%d\n",
1159 : config->tdls_external_control);
1160 :
1161 3 : if (config->wowlan_triggers)
1162 0 : fprintf(f, "wowlan_triggers=\"%s\"\n",
1163 : config->wowlan_triggers);
1164 :
1165 3 : if (config->bgscan)
1166 0 : fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
1167 3 : }
1168 :
1169 : #endif /* CONFIG_NO_CONFIG_WRITE */
1170 :
1171 :
1172 3 : int 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;
1177 : struct wpa_cred *cred;
1178 : #ifndef CONFIG_NO_CONFIG_BLOBS
1179 : struct wpa_config_blob *blob;
1180 : #endif /* CONFIG_NO_CONFIG_BLOBS */
1181 3 : int ret = 0;
1182 :
1183 3 : wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1184 :
1185 3 : f = fopen(name, "w");
1186 3 : if (f == NULL) {
1187 0 : wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1188 0 : return -1;
1189 : }
1190 :
1191 3 : wpa_config_write_global(f, config);
1192 :
1193 6 : for (cred = config->cred; cred; cred = cred->next) {
1194 3 : if (cred->temporary)
1195 0 : continue;
1196 3 : fprintf(f, "\ncred={\n");
1197 3 : wpa_config_write_cred(f, cred);
1198 3 : fprintf(f, "}\n");
1199 : }
1200 :
1201 6 : for (ssid = config->ssid; ssid; ssid = ssid->next) {
1202 3 : if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
1203 0 : continue; /* do not save temporary networks */
1204 3 : if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
1205 0 : !ssid->passphrase)
1206 0 : continue; /* do not save invalid network */
1207 3 : fprintf(f, "\nnetwork={\n");
1208 3 : wpa_config_write_network(f, ssid);
1209 3 : fprintf(f, "}\n");
1210 : }
1211 :
1212 : #ifndef CONFIG_NO_CONFIG_BLOBS
1213 6 : for (blob = config->blobs; blob; blob = blob->next) {
1214 3 : ret = wpa_config_write_blob(f, blob);
1215 3 : if (ret)
1216 0 : break;
1217 : }
1218 : #endif /* CONFIG_NO_CONFIG_BLOBS */
1219 :
1220 3 : fclose(f);
1221 :
1222 3 : wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1223 : name, ret ? "un" : "");
1224 3 : return ret;
1225 : #else /* CONFIG_NO_CONFIG_WRITE */
1226 : return -1;
1227 : #endif /* CONFIG_NO_CONFIG_WRITE */
1228 : }
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