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