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 :
27 247 : static int newline_terminated(const char *buf, size_t buflen)
28 : {
29 247 : size_t len = os_strlen(buf);
30 247 : if (len == 0)
31 0 : return 0;
32 263 : if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
33 16 : buf[len - 1] != '\n')
34 16 : return 0;
35 231 : 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 : */
64 277 : static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
65 : char **_pos)
66 : {
67 : char *pos, *end, *sstart;
68 :
69 560 : while (fgets(s, size, stream)) {
70 231 : (*line)++;
71 231 : s[size - 1] = '\0';
72 231 : 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 : }
81 231 : pos = s;
82 :
83 : /* Skip white space from the beginning of line. */
84 491 : while (*pos == ' ' || *pos == '\t' || *pos == '\r')
85 29 : pos++;
86 :
87 : /* Skip comment lines and empty lines */
88 231 : if (*pos == '#' || *pos == '\n' || *pos == '\0')
89 6 : continue;
90 :
91 : /*
92 : * Remove # comments unless they are within a double quoted
93 : * string.
94 : */
95 225 : sstart = os_strchr(pos, '"');
96 225 : if (sstart)
97 11 : sstart = os_strrchr(sstart + 1, '"');
98 225 : if (!sstart)
99 214 : sstart = pos;
100 225 : end = os_strchr(sstart, '#');
101 225 : if (end)
102 1 : *end-- = '\0';
103 : else
104 224 : end = pos + os_strlen(pos) - 1;
105 :
106 : /* Remove trailing white space. */
107 2109 : while (end > pos &&
108 1879 : (*end == '\n' || *end == ' ' || *end == '\t' ||
109 222 : *end == '\r'))
110 719 : *end-- = '\0';
111 :
112 225 : if (*pos == '\0')
113 0 : continue;
114 :
115 225 : if (_pos)
116 225 : *_pos = pos;
117 225 : return pos;
118 : }
119 :
120 52 : if (_pos)
121 52 : *_pos = NULL;
122 52 : 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 2 : static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
224 : {
225 : struct wpa_cred *cred;
226 2 : int errors = 0, end = 0;
227 : char buf[256], *pos, *pos2;
228 :
229 2 : wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
230 2 : cred = os_zalloc(sizeof(*cred));
231 2 : if (cred == NULL)
232 0 : return NULL;
233 2 : cred->id = id;
234 2 : cred->sim_num = DEFAULT_USER_SELECTED_SIM;
235 :
236 21 : while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
237 19 : if (os_strcmp(pos, "}") == 0) {
238 2 : end = 1;
239 2 : break;
240 : }
241 :
242 17 : pos2 = os_strchr(pos, '=');
243 17 : 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 17 : *pos2++ = '\0';
251 17 : if (*pos2 == '"') {
252 9 : 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 17 : if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
261 0 : errors++;
262 : }
263 :
264 2 : if (!end) {
265 0 : wpa_printf(MSG_ERROR, "Line %d: cred block was not "
266 : "terminated properly.", *line);
267 0 : errors++;
268 : }
269 :
270 2 : if (errors) {
271 0 : wpa_config_free_cred(cred);
272 0 : cred = NULL;
273 : }
274 :
275 2 : 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 :
362 102 : struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp)
363 : {
364 : FILE *f;
365 : char buf[512], *pos;
366 102 : 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;
370 102 : int id = 0;
371 102 : int cred_id = 0;
372 :
373 102 : if (name == NULL)
374 43 : return NULL;
375 59 : if (cfgp)
376 0 : config = cfgp;
377 : else
378 59 : config = wpa_config_alloc_empty(NULL, NULL);
379 59 : if (config == NULL) {
380 0 : wpa_printf(MSG_ERROR, "Failed to allocate config file "
381 : "structure");
382 0 : return NULL;
383 : }
384 59 : tail = head = config->ssid;
385 118 : while (tail && tail->next)
386 0 : tail = tail->next;
387 59 : cred_tail = cred_head = config->cred;
388 118 : while (cred_tail && cred_tail->next)
389 0 : cred_tail = cred_tail->next;
390 :
391 59 : wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
392 59 : f = fopen(name, "r");
393 59 : if (f == NULL) {
394 7 : wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
395 7 : "error: %s", name, strerror(errno));
396 7 : os_free(config);
397 7 : return NULL;
398 : }
399 :
400 298 : while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
401 194 : 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 : }
422 193 : } else if (os_strcmp(pos, "cred={") == 0) {
423 2 : cred = wpa_config_read_cred(f, &line, cred_id++);
424 2 : 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 2 : if (cred_head == NULL) {
431 2 : 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
437 191 : } 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 */
446 190 : } else if (wpa_config_process_global(config, pos, line) < 0) {
447 9 : wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
448 : "line '%s'.", line, pos);
449 9 : errors++;
450 9 : continue;
451 : }
452 : }
453 :
454 52 : fclose(f);
455 :
456 52 : config->ssid = head;
457 52 : wpa_config_debug_dump_networks(config);
458 52 : config->cred = cred_head;
459 :
460 : #ifndef WPA_IGNORE_CONFIG_ERRORS
461 52 : if (errors) {
462 9 : wpa_config_free(config);
463 9 : config = NULL;
464 9 : head = NULL;
465 : }
466 : #endif /* WPA_IGNORE_CONFIG_ERRORS */
467 :
468 52 : return config;
469 : }
470 :
471 :
472 : #ifndef CONFIG_NO_CONFIG_WRITE
473 :
474 282 : static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
475 : {
476 282 : char *value = wpa_config_get(ssid, field);
477 282 : if (value == NULL)
478 558 : return;
479 6 : fprintf(f, "\t%s=%s\n", field, value);
480 6 : os_free(value);
481 : }
482 :
483 :
484 390 : static void write_int(FILE *f, const char *field, int value, int def)
485 : {
486 390 : if (value == def)
487 774 : return;
488 6 : fprintf(f, "\t%s=%d\n", field, value);
489 : }
490 :
491 :
492 6 : static void write_bssid(FILE *f, struct wpa_ssid *ssid)
493 : {
494 6 : char *value = wpa_config_get(ssid, "bssid");
495 6 : if (value == NULL)
496 7 : return;
497 5 : fprintf(f, "\tbssid=%s\n", value);
498 5 : os_free(value);
499 : }
500 :
501 :
502 6 : static void write_psk(FILE *f, struct wpa_ssid *ssid)
503 : {
504 : char *value;
505 :
506 6 : if (ssid->mem_only_psk)
507 0 : return;
508 :
509 6 : value = wpa_config_get(ssid, "psk");
510 6 : if (value == NULL)
511 0 : return;
512 6 : fprintf(f, "\tpsk=%s\n", value);
513 6 : os_free(value);
514 : }
515 :
516 :
517 6 : static void write_proto(FILE *f, struct wpa_ssid *ssid)
518 : {
519 : char *value;
520 :
521 6 : if (ssid->proto == DEFAULT_PROTO)
522 0 : return;
523 :
524 6 : value = wpa_config_get(ssid, "proto");
525 6 : if (value == NULL)
526 0 : return;
527 6 : if (value[0])
528 6 : fprintf(f, "\tproto=%s\n", value);
529 6 : os_free(value);
530 : }
531 :
532 :
533 6 : static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
534 : {
535 : char *value;
536 :
537 6 : if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
538 0 : return;
539 :
540 6 : value = wpa_config_get(ssid, "key_mgmt");
541 6 : if (value == NULL)
542 0 : return;
543 6 : if (value[0])
544 6 : fprintf(f, "\tkey_mgmt=%s\n", value);
545 6 : os_free(value);
546 : }
547 :
548 :
549 6 : static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
550 : {
551 : char *value;
552 :
553 6 : if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
554 0 : return;
555 :
556 6 : value = wpa_config_get(ssid, "pairwise");
557 6 : if (value == NULL)
558 0 : return;
559 6 : if (value[0])
560 6 : fprintf(f, "\tpairwise=%s\n", value);
561 6 : os_free(value);
562 : }
563 :
564 :
565 6 : static void write_group(FILE *f, struct wpa_ssid *ssid)
566 : {
567 : char *value;
568 :
569 6 : if (ssid->group_cipher == DEFAULT_GROUP)
570 0 : return;
571 :
572 6 : value = wpa_config_get(ssid, "group");
573 6 : if (value == NULL)
574 0 : return;
575 6 : if (value[0])
576 6 : fprintf(f, "\tgroup=%s\n", value);
577 6 : os_free(value);
578 : }
579 :
580 :
581 6 : static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
582 : {
583 : char *value;
584 :
585 6 : if (ssid->auth_alg == 0)
586 0 : return;
587 :
588 6 : value = wpa_config_get(ssid, "auth_alg");
589 6 : if (value == NULL)
590 0 : return;
591 6 : if (value[0])
592 6 : fprintf(f, "\tauth_alg=%s\n", value);
593 6 : os_free(value);
594 : }
595 :
596 :
597 : #ifdef IEEE8021X_EAPOL
598 6 : static void write_eap(FILE *f, struct wpa_ssid *ssid)
599 : {
600 : char *value;
601 :
602 6 : value = wpa_config_get(ssid, "eap");
603 6 : if (value == NULL)
604 12 : return;
605 :
606 0 : if (value[0])
607 0 : fprintf(f, "\teap=%s\n", value);
608 0 : os_free(value);
609 : }
610 : #endif /* IEEE8021X_EAPOL */
611 :
612 :
613 24 : static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
614 : {
615 : char field[20], *value;
616 : int res;
617 :
618 24 : res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
619 24 : if (os_snprintf_error(sizeof(field), res))
620 24 : return;
621 24 : value = wpa_config_get(ssid, field);
622 24 : if (value) {
623 0 : fprintf(f, "\t%s=%s\n", field, value);
624 0 : os_free(value);
625 : }
626 : }
627 :
628 :
629 : #ifdef CONFIG_P2P
630 :
631 6 : static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
632 : {
633 6 : char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
634 6 : if (value == NULL)
635 12 : return;
636 0 : fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
637 0 : os_free(value);
638 : }
639 :
640 6 : static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
641 : {
642 6 : char *value = wpa_config_get(ssid, "p2p_client_list");
643 6 : if (value == NULL)
644 12 : return;
645 0 : fprintf(f, "\tp2p_client_list=%s\n", value);
646 0 : os_free(value);
647 : }
648 :
649 :
650 6 : static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
651 : {
652 : struct psk_list_entry *psk;
653 : char hex[32 * 2 + 1];
654 :
655 6 : dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
656 0 : wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
657 0 : fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
658 0 : psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
659 : }
660 6 : }
661 :
662 : #endif /* CONFIG_P2P */
663 :
664 :
665 6 : static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
666 : {
667 : int i;
668 :
669 : #define STR(t) write_str(f, #t, ssid)
670 : #define INT(t) write_int(f, #t, ssid->t, 0)
671 : #define INTe(t) write_int(f, #t, ssid->eap.t, 0)
672 : #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
673 : #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
674 :
675 6 : STR(ssid);
676 6 : INT(scan_ssid);
677 6 : write_bssid(f, ssid);
678 6 : write_str(f, "bssid_blacklist", ssid);
679 6 : write_str(f, "bssid_whitelist", ssid);
680 6 : write_psk(f, ssid);
681 6 : INT(mem_only_psk);
682 6 : write_proto(f, ssid);
683 6 : write_key_mgmt(f, ssid);
684 6 : INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
685 6 : write_pairwise(f, ssid);
686 6 : write_group(f, ssid);
687 6 : write_auth_alg(f, ssid);
688 6 : STR(bgscan);
689 6 : STR(autoscan);
690 6 : STR(scan_freq);
691 : #ifdef IEEE8021X_EAPOL
692 6 : write_eap(f, ssid);
693 6 : STR(identity);
694 6 : STR(anonymous_identity);
695 6 : STR(password);
696 6 : STR(ca_cert);
697 6 : STR(ca_path);
698 6 : STR(client_cert);
699 6 : STR(private_key);
700 6 : STR(private_key_passwd);
701 6 : STR(dh_file);
702 6 : STR(subject_match);
703 6 : STR(altsubject_match);
704 6 : STR(domain_suffix_match);
705 6 : STR(domain_match);
706 6 : STR(ca_cert2);
707 6 : STR(ca_path2);
708 6 : STR(client_cert2);
709 6 : STR(private_key2);
710 6 : STR(private_key2_passwd);
711 6 : STR(dh_file2);
712 6 : STR(subject_match2);
713 6 : STR(altsubject_match2);
714 6 : STR(domain_suffix_match2);
715 6 : STR(domain_match2);
716 6 : STR(phase1);
717 6 : STR(phase2);
718 6 : STR(pcsc);
719 6 : STR(pin);
720 6 : STR(engine_id);
721 6 : STR(key_id);
722 6 : STR(cert_id);
723 6 : STR(ca_cert_id);
724 6 : STR(key2_id);
725 6 : STR(pin2);
726 6 : STR(engine2_id);
727 6 : STR(cert2_id);
728 6 : STR(ca_cert2_id);
729 6 : INTe(engine);
730 6 : INTe(engine2);
731 6 : INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
732 6 : STR(openssl_ciphers);
733 6 : INTe(erp);
734 : #endif /* IEEE8021X_EAPOL */
735 30 : for (i = 0; i < 4; i++)
736 24 : write_wep_key(f, i, ssid);
737 6 : INT(wep_tx_keyidx);
738 6 : INT(priority);
739 : #ifdef IEEE8021X_EAPOL
740 6 : INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
741 6 : STR(pac_file);
742 6 : INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
743 6 : INTe(ocsp);
744 6 : INT_DEFe(sim_num, DEFAULT_USER_SELECTED_SIM);
745 : #endif /* IEEE8021X_EAPOL */
746 6 : INT(mode);
747 6 : INT(no_auto_peer);
748 6 : INT(frequency);
749 6 : INT(fixed_freq);
750 : #ifdef CONFIG_ACS
751 6 : INT(acs);
752 : #endif /* CONFIG_ACS */
753 6 : write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
754 6 : INT(disabled);
755 6 : INT(peerkey);
756 6 : INT(mixed_cell);
757 6 : INT(max_oper_chwidth);
758 6 : INT(pbss);
759 6 : INT(wps_disabled);
760 : #ifdef CONFIG_IEEE80211W
761 6 : write_int(f, "ieee80211w", ssid->ieee80211w,
762 : MGMT_FRAME_PROTECTION_DEFAULT);
763 : #endif /* CONFIG_IEEE80211W */
764 6 : STR(id_str);
765 : #ifdef CONFIG_P2P
766 6 : write_go_p2p_dev_addr(f, ssid);
767 6 : write_p2p_client_list(f, ssid);
768 6 : write_psk_list(f, ssid);
769 : #endif /* CONFIG_P2P */
770 6 : INT(ap_max_inactivity);
771 6 : INT(dtim_period);
772 6 : INT(beacon_int);
773 : #ifdef CONFIG_MACSEC
774 : INT(macsec_policy);
775 : #endif /* CONFIG_MACSEC */
776 : #ifdef CONFIG_HS20
777 6 : INT(update_identifier);
778 : #endif /* CONFIG_HS20 */
779 6 : write_int(f, "mac_addr", ssid->mac_addr, -1);
780 : #ifdef CONFIG_MESH
781 6 : STR(mesh_basic_rates);
782 6 : INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES);
783 6 : INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT);
784 6 : INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT);
785 6 : INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT);
786 : #endif /* CONFIG_MESH */
787 6 : INT(wpa_ptk_rekey);
788 6 : INT(group_rekey);
789 6 : INT(ignore_broadcast_ssid);
790 : #ifdef CONFIG_HT_OVERRIDES
791 6 : INT_DEF(disable_ht, DEFAULT_DISABLE_HT);
792 6 : INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40);
793 6 : INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI);
794 6 : INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC);
795 6 : INT(ht40_intolerant);
796 6 : INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU);
797 6 : INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR);
798 6 : INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY);
799 6 : STR(ht_mcs);
800 : #endif /* CONFIG_HT_OVERRIDES */
801 : #ifdef CONFIG_VHT_OVERRIDES
802 6 : INT(disable_vht);
803 6 : INT(vht_capa);
804 6 : INT(vht_capa_mask);
805 6 : INT_DEF(vht_rx_mcs_nss_1, -1);
806 6 : INT_DEF(vht_rx_mcs_nss_2, -1);
807 6 : INT_DEF(vht_rx_mcs_nss_3, -1);
808 6 : INT_DEF(vht_rx_mcs_nss_4, -1);
809 6 : INT_DEF(vht_rx_mcs_nss_5, -1);
810 6 : INT_DEF(vht_rx_mcs_nss_6, -1);
811 6 : INT_DEF(vht_rx_mcs_nss_7, -1);
812 6 : INT_DEF(vht_rx_mcs_nss_8, -1);
813 6 : INT_DEF(vht_tx_mcs_nss_1, -1);
814 6 : INT_DEF(vht_tx_mcs_nss_2, -1);
815 6 : INT_DEF(vht_tx_mcs_nss_3, -1);
816 6 : INT_DEF(vht_tx_mcs_nss_4, -1);
817 6 : INT_DEF(vht_tx_mcs_nss_5, -1);
818 6 : INT_DEF(vht_tx_mcs_nss_6, -1);
819 6 : INT_DEF(vht_tx_mcs_nss_7, -1);
820 6 : INT_DEF(vht_tx_mcs_nss_8, -1);
821 : #endif /* CONFIG_VHT_OVERRIDES */
822 :
823 : #undef STR
824 : #undef INT
825 : #undef INT_DEF
826 6 : }
827 :
828 :
829 6 : static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
830 : {
831 : size_t i;
832 :
833 6 : if (cred->priority)
834 5 : fprintf(f, "\tpriority=%d\n", cred->priority);
835 6 : if (cred->pcsc)
836 0 : fprintf(f, "\tpcsc=%d\n", cred->pcsc);
837 6 : if (cred->realm)
838 5 : fprintf(f, "\trealm=\"%s\"\n", cred->realm);
839 6 : if (cred->username)
840 6 : fprintf(f, "\tusername=\"%s\"\n", cred->username);
841 6 : if (cred->password && cred->ext_password)
842 0 : fprintf(f, "\tpassword=ext:%s\n", cred->password);
843 6 : else if (cred->password)
844 5 : fprintf(f, "\tpassword=\"%s\"\n", cred->password);
845 6 : if (cred->ca_cert)
846 5 : fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
847 6 : if (cred->client_cert)
848 0 : fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
849 6 : if (cred->private_key)
850 0 : fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
851 6 : if (cred->private_key_passwd)
852 0 : fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
853 : cred->private_key_passwd);
854 6 : if (cred->imsi)
855 0 : fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
856 6 : if (cred->milenage)
857 0 : fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
858 11 : for (i = 0; i < cred->num_domain; i++)
859 5 : fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
860 6 : if (cred->domain_suffix_match)
861 5 : fprintf(f, "\tdomain_suffix_match=\"%s\"\n",
862 : cred->domain_suffix_match);
863 6 : if (cred->roaming_consortium_len) {
864 5 : fprintf(f, "\troaming_consortium=");
865 20 : for (i = 0; i < cred->roaming_consortium_len; i++)
866 15 : fprintf(f, "%02x", cred->roaming_consortium[i]);
867 5 : fprintf(f, "\n");
868 : }
869 6 : if (cred->eap_method) {
870 : const char *name;
871 5 : name = eap_get_name(cred->eap_method[0].vendor,
872 5 : cred->eap_method[0].method);
873 5 : if (name)
874 5 : fprintf(f, "\teap=%s\n", name);
875 : }
876 6 : if (cred->phase1)
877 0 : fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
878 6 : if (cred->phase2)
879 0 : fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
880 6 : if (cred->excluded_ssid) {
881 : size_t j;
882 0 : for (i = 0; i < cred->num_excluded_ssid; i++) {
883 0 : struct excluded_ssid *e = &cred->excluded_ssid[i];
884 0 : fprintf(f, "\texcluded_ssid=");
885 0 : for (j = 0; j < e->ssid_len; j++)
886 0 : fprintf(f, "%02x", e->ssid[j]);
887 0 : fprintf(f, "\n");
888 : }
889 : }
890 6 : if (cred->roaming_partner) {
891 10 : for (i = 0; i < cred->num_roaming_partner; i++) {
892 5 : struct roaming_partner *p = &cred->roaming_partner[i];
893 10 : fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n",
894 10 : p->fqdn, p->exact_match, p->priority,
895 5 : p->country);
896 : }
897 : }
898 6 : if (cred->update_identifier)
899 5 : fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
900 :
901 6 : if (cred->provisioning_sp)
902 5 : fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
903 6 : if (cred->sp_priority)
904 5 : fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
905 :
906 6 : if (cred->min_dl_bandwidth_home)
907 0 : fprintf(f, "\tmin_dl_bandwidth_home=%u\n",
908 : cred->min_dl_bandwidth_home);
909 6 : if (cred->min_ul_bandwidth_home)
910 0 : fprintf(f, "\tmin_ul_bandwidth_home=%u\n",
911 : cred->min_ul_bandwidth_home);
912 6 : if (cred->min_dl_bandwidth_roaming)
913 0 : fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n",
914 : cred->min_dl_bandwidth_roaming);
915 6 : if (cred->min_ul_bandwidth_roaming)
916 0 : fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n",
917 : cred->min_ul_bandwidth_roaming);
918 :
919 6 : if (cred->max_bss_load)
920 0 : fprintf(f, "\tmax_bss_load=%u\n",
921 : cred->max_bss_load);
922 :
923 6 : if (cred->ocsp)
924 5 : fprintf(f, "\tocsp=%d\n", cred->ocsp);
925 :
926 6 : if (cred->num_req_conn_capab) {
927 10 : for (i = 0; i < cred->num_req_conn_capab; i++) {
928 : int *ports;
929 :
930 5 : fprintf(f, "\treq_conn_capab=%u",
931 5 : cred->req_conn_capab_proto[i]);
932 5 : ports = cred->req_conn_capab_port[i];
933 5 : if (ports) {
934 : int j;
935 10 : for (j = 0; ports[j] != -1; j++) {
936 5 : fprintf(f, "%s%d", j > 0 ? "," : ":",
937 5 : ports[j]);
938 : }
939 : }
940 5 : fprintf(f, "\n");
941 : }
942 : }
943 :
944 6 : if (cred->required_roaming_consortium_len) {
945 5 : fprintf(f, "\trequired_roaming_consortium=");
946 20 : for (i = 0; i < cred->required_roaming_consortium_len; i++)
947 15 : fprintf(f, "%02x",
948 15 : cred->required_roaming_consortium[i]);
949 5 : fprintf(f, "\n");
950 : }
951 :
952 6 : if (cred->sim_num != DEFAULT_USER_SELECTED_SIM)
953 0 : fprintf(f, "\tsim_num=%d\n", cred->sim_num);
954 6 : }
955 :
956 :
957 : #ifndef CONFIG_NO_CONFIG_BLOBS
958 5 : static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
959 : {
960 : unsigned char *encoded;
961 :
962 5 : encoded = base64_encode(blob->data, blob->len, NULL);
963 5 : if (encoded == NULL)
964 0 : return -1;
965 :
966 5 : fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
967 5 : os_free(encoded);
968 5 : return 0;
969 : }
970 : #endif /* CONFIG_NO_CONFIG_BLOBS */
971 :
972 :
973 0 : static void write_global_bin(FILE *f, const char *field,
974 : const struct wpabuf *val)
975 : {
976 : size_t i;
977 : const u8 *pos;
978 :
979 0 : if (val == NULL)
980 0 : return;
981 :
982 0 : fprintf(f, "%s=", field);
983 0 : pos = wpabuf_head(val);
984 0 : for (i = 0; i < wpabuf_len(val); i++)
985 0 : fprintf(f, "%02X", *pos++);
986 0 : fprintf(f, "\n");
987 : }
988 :
989 :
990 9 : static void wpa_config_write_global(FILE *f, struct wpa_config *config)
991 : {
992 : #ifdef CONFIG_CTRL_IFACE
993 9 : if (config->ctrl_interface)
994 9 : fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
995 9 : if (config->ctrl_interface_group)
996 0 : fprintf(f, "ctrl_interface_group=%s\n",
997 : config->ctrl_interface_group);
998 : #endif /* CONFIG_CTRL_IFACE */
999 9 : if (config->eapol_version != DEFAULT_EAPOL_VERSION)
1000 5 : fprintf(f, "eapol_version=%d\n", config->eapol_version);
1001 9 : if (config->ap_scan != DEFAULT_AP_SCAN)
1002 0 : fprintf(f, "ap_scan=%d\n", config->ap_scan);
1003 9 : if (config->disable_scan_offload)
1004 0 : fprintf(f, "disable_scan_offload=%d\n",
1005 : config->disable_scan_offload);
1006 9 : if (config->fast_reauth != DEFAULT_FAST_REAUTH)
1007 0 : fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
1008 9 : if (config->opensc_engine_path)
1009 0 : fprintf(f, "opensc_engine_path=%s\n",
1010 : config->opensc_engine_path);
1011 9 : if (config->pkcs11_engine_path)
1012 0 : fprintf(f, "pkcs11_engine_path=%s\n",
1013 : config->pkcs11_engine_path);
1014 9 : if (config->pkcs11_module_path)
1015 0 : fprintf(f, "pkcs11_module_path=%s\n",
1016 : config->pkcs11_module_path);
1017 9 : if (config->openssl_ciphers)
1018 0 : fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers);
1019 9 : if (config->pcsc_reader)
1020 0 : fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
1021 9 : if (config->pcsc_pin)
1022 0 : fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
1023 9 : if (config->driver_param)
1024 0 : fprintf(f, "driver_param=%s\n", config->driver_param);
1025 9 : if (config->dot11RSNAConfigPMKLifetime)
1026 0 : fprintf(f, "dot11RSNAConfigPMKLifetime=%u\n",
1027 : config->dot11RSNAConfigPMKLifetime);
1028 9 : if (config->dot11RSNAConfigPMKReauthThreshold)
1029 0 : fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%u\n",
1030 : config->dot11RSNAConfigPMKReauthThreshold);
1031 9 : if (config->dot11RSNAConfigSATimeout)
1032 0 : fprintf(f, "dot11RSNAConfigSATimeout=%u\n",
1033 : config->dot11RSNAConfigSATimeout);
1034 9 : if (config->update_config)
1035 9 : fprintf(f, "update_config=%d\n", config->update_config);
1036 : #ifdef CONFIG_WPS
1037 9 : if (!is_nil_uuid(config->uuid)) {
1038 : char buf[40];
1039 0 : uuid_bin2str(config->uuid, buf, sizeof(buf));
1040 0 : fprintf(f, "uuid=%s\n", buf);
1041 : }
1042 9 : if (config->device_name)
1043 5 : fprintf(f, "device_name=%s\n", config->device_name);
1044 9 : if (config->manufacturer)
1045 0 : fprintf(f, "manufacturer=%s\n", config->manufacturer);
1046 9 : if (config->model_name)
1047 0 : fprintf(f, "model_name=%s\n", config->model_name);
1048 9 : if (config->model_number)
1049 0 : fprintf(f, "model_number=%s\n", config->model_number);
1050 9 : if (config->serial_number)
1051 0 : fprintf(f, "serial_number=%s\n", config->serial_number);
1052 : {
1053 : char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1054 9 : buf = wps_dev_type_bin2str(config->device_type,
1055 : _buf, sizeof(_buf));
1056 9 : if (os_strcmp(buf, "0-00000000-0") != 0)
1057 0 : fprintf(f, "device_type=%s\n", buf);
1058 : }
1059 9 : if (WPA_GET_BE32(config->os_version))
1060 0 : fprintf(f, "os_version=%08x\n",
1061 0 : WPA_GET_BE32(config->os_version));
1062 9 : if (config->config_methods)
1063 0 : fprintf(f, "config_methods=%s\n", config->config_methods);
1064 9 : if (config->wps_cred_processing)
1065 0 : fprintf(f, "wps_cred_processing=%d\n",
1066 : config->wps_cred_processing);
1067 9 : if (config->wps_vendor_ext_m1) {
1068 0 : int i, len = wpabuf_len(config->wps_vendor_ext_m1);
1069 0 : const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
1070 0 : if (len > 0) {
1071 0 : fprintf(f, "wps_vendor_ext_m1=");
1072 0 : for (i = 0; i < len; i++)
1073 0 : fprintf(f, "%02x", *p++);
1074 0 : fprintf(f, "\n");
1075 : }
1076 : }
1077 : #endif /* CONFIG_WPS */
1078 : #ifdef CONFIG_P2P
1079 9 : if (config->p2p_listen_reg_class)
1080 0 : fprintf(f, "p2p_listen_reg_class=%d\n",
1081 : config->p2p_listen_reg_class);
1082 9 : if (config->p2p_listen_channel)
1083 0 : fprintf(f, "p2p_listen_channel=%d\n",
1084 : config->p2p_listen_channel);
1085 9 : if (config->p2p_oper_reg_class)
1086 0 : fprintf(f, "p2p_oper_reg_class=%d\n",
1087 : config->p2p_oper_reg_class);
1088 9 : if (config->p2p_oper_channel)
1089 0 : fprintf(f, "p2p_oper_channel=%d\n", config->p2p_oper_channel);
1090 9 : if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
1091 0 : fprintf(f, "p2p_go_intent=%d\n", config->p2p_go_intent);
1092 9 : if (config->p2p_ssid_postfix)
1093 0 : fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
1094 9 : if (config->persistent_reconnect)
1095 0 : fprintf(f, "persistent_reconnect=%d\n",
1096 : config->persistent_reconnect);
1097 9 : if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
1098 0 : fprintf(f, "p2p_intra_bss=%d\n", config->p2p_intra_bss);
1099 9 : if (config->p2p_group_idle)
1100 0 : fprintf(f, "p2p_group_idle=%d\n", config->p2p_group_idle);
1101 9 : if (config->p2p_passphrase_len)
1102 0 : fprintf(f, "p2p_passphrase_len=%u\n",
1103 : config->p2p_passphrase_len);
1104 9 : if (config->p2p_pref_chan) {
1105 : unsigned int i;
1106 0 : fprintf(f, "p2p_pref_chan=");
1107 0 : for (i = 0; i < config->num_p2p_pref_chan; i++) {
1108 0 : fprintf(f, "%s%u:%u", i > 0 ? "," : "",
1109 0 : config->p2p_pref_chan[i].op_class,
1110 0 : config->p2p_pref_chan[i].chan);
1111 : }
1112 0 : fprintf(f, "\n");
1113 : }
1114 9 : if (config->p2p_no_go_freq.num) {
1115 0 : char *val = freq_range_list_str(&config->p2p_no_go_freq);
1116 0 : if (val) {
1117 0 : fprintf(f, "p2p_no_go_freq=%s\n", val);
1118 0 : os_free(val);
1119 : }
1120 : }
1121 9 : if (config->p2p_add_cli_chan)
1122 0 : fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
1123 9 : if (config->p2p_optimize_listen_chan !=
1124 : DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN)
1125 0 : fprintf(f, "p2p_optimize_listen_chan=%d\n",
1126 : config->p2p_optimize_listen_chan);
1127 9 : if (config->p2p_go_ht40)
1128 0 : fprintf(f, "p2p_go_ht40=%d\n", config->p2p_go_ht40);
1129 9 : if (config->p2p_go_vht)
1130 0 : fprintf(f, "p2p_go_vht=%d\n", config->p2p_go_vht);
1131 9 : if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW)
1132 0 : fprintf(f, "p2p_go_ctwindow=%d\n", config->p2p_go_ctwindow);
1133 9 : if (config->p2p_disabled)
1134 0 : fprintf(f, "p2p_disabled=%d\n", config->p2p_disabled);
1135 9 : if (config->p2p_no_group_iface)
1136 0 : fprintf(f, "p2p_no_group_iface=%d\n",
1137 : config->p2p_no_group_iface);
1138 9 : if (config->p2p_ignore_shared_freq)
1139 0 : fprintf(f, "p2p_ignore_shared_freq=%d\n",
1140 : config->p2p_ignore_shared_freq);
1141 9 : if (config->p2p_cli_probe)
1142 0 : fprintf(f, "p2p_cli_probe=%d\n", config->p2p_cli_probe);
1143 9 : if (config->p2p_go_freq_change_policy != DEFAULT_P2P_GO_FREQ_MOVE)
1144 0 : fprintf(f, "p2p_go_freq_change_policy=%u\n",
1145 0 : config->p2p_go_freq_change_policy);
1146 9 : if (WPA_GET_BE32(config->ip_addr_go))
1147 20 : fprintf(f, "ip_addr_go=%u.%u.%u.%u\n",
1148 10 : config->ip_addr_go[0], config->ip_addr_go[1],
1149 10 : config->ip_addr_go[2], config->ip_addr_go[3]);
1150 9 : if (WPA_GET_BE32(config->ip_addr_mask))
1151 20 : fprintf(f, "ip_addr_mask=%u.%u.%u.%u\n",
1152 10 : config->ip_addr_mask[0], config->ip_addr_mask[1],
1153 10 : config->ip_addr_mask[2], config->ip_addr_mask[3]);
1154 9 : if (WPA_GET_BE32(config->ip_addr_start))
1155 20 : fprintf(f, "ip_addr_start=%u.%u.%u.%u\n",
1156 10 : config->ip_addr_start[0], config->ip_addr_start[1],
1157 10 : config->ip_addr_start[2], config->ip_addr_start[3]);
1158 9 : if (WPA_GET_BE32(config->ip_addr_end))
1159 20 : fprintf(f, "ip_addr_end=%u.%u.%u.%u\n",
1160 10 : config->ip_addr_end[0], config->ip_addr_end[1],
1161 10 : config->ip_addr_end[2], config->ip_addr_end[3]);
1162 : #endif /* CONFIG_P2P */
1163 9 : if (config->country[0] && config->country[1]) {
1164 0 : fprintf(f, "country=%c%c\n",
1165 0 : config->country[0], config->country[1]);
1166 : }
1167 9 : if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
1168 0 : fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
1169 9 : if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
1170 0 : fprintf(f, "bss_expiration_age=%u\n",
1171 : config->bss_expiration_age);
1172 9 : if (config->bss_expiration_scan_count !=
1173 : DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
1174 0 : fprintf(f, "bss_expiration_scan_count=%u\n",
1175 : config->bss_expiration_scan_count);
1176 9 : if (config->filter_ssids)
1177 0 : fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
1178 9 : if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
1179 0 : fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
1180 9 : if (config->disassoc_low_ack)
1181 0 : fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack);
1182 : #ifdef CONFIG_HS20
1183 9 : if (config->hs20)
1184 0 : fprintf(f, "hs20=1\n");
1185 : #endif /* CONFIG_HS20 */
1186 : #ifdef CONFIG_INTERWORKING
1187 9 : if (config->interworking)
1188 0 : fprintf(f, "interworking=%d\n", config->interworking);
1189 9 : if (!is_zero_ether_addr(config->hessid))
1190 0 : fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
1191 9 : if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1192 0 : fprintf(f, "access_network_type=%d\n",
1193 : config->access_network_type);
1194 : #endif /* CONFIG_INTERWORKING */
1195 9 : if (config->pbc_in_m1)
1196 0 : fprintf(f, "pbc_in_m1=%d\n", config->pbc_in_m1);
1197 9 : if (config->wps_nfc_pw_from_config) {
1198 0 : if (config->wps_nfc_dev_pw_id)
1199 0 : fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1200 : config->wps_nfc_dev_pw_id);
1201 0 : write_global_bin(f, "wps_nfc_dh_pubkey",
1202 0 : config->wps_nfc_dh_pubkey);
1203 0 : write_global_bin(f, "wps_nfc_dh_privkey",
1204 0 : config->wps_nfc_dh_privkey);
1205 0 : write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1206 : }
1207 :
1208 9 : if (config->ext_password_backend)
1209 0 : fprintf(f, "ext_password_backend=%s\n",
1210 : config->ext_password_backend);
1211 9 : if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1212 0 : fprintf(f, "p2p_go_max_inactivity=%d\n",
1213 : config->p2p_go_max_inactivity);
1214 9 : if (config->auto_interworking)
1215 0 : fprintf(f, "auto_interworking=%d\n",
1216 : config->auto_interworking);
1217 9 : if (config->okc)
1218 0 : fprintf(f, "okc=%d\n", config->okc);
1219 9 : if (config->pmf)
1220 0 : fprintf(f, "pmf=%d\n", config->pmf);
1221 9 : if (config->dtim_period)
1222 0 : fprintf(f, "dtim_period=%d\n", config->dtim_period);
1223 9 : if (config->beacon_int)
1224 0 : fprintf(f, "beacon_int=%d\n", config->beacon_int);
1225 :
1226 9 : if (config->sae_groups) {
1227 : int i;
1228 0 : fprintf(f, "sae_groups=");
1229 0 : for (i = 0; config->sae_groups[i] >= 0; i++) {
1230 0 : fprintf(f, "%s%d", i > 0 ? " " : "",
1231 0 : config->sae_groups[i]);
1232 : }
1233 0 : fprintf(f, "\n");
1234 : }
1235 :
1236 9 : if (config->ap_vendor_elements) {
1237 0 : int i, len = wpabuf_len(config->ap_vendor_elements);
1238 0 : const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1239 0 : if (len > 0) {
1240 0 : fprintf(f, "ap_vendor_elements=");
1241 0 : for (i = 0; i < len; i++)
1242 0 : fprintf(f, "%02x", *p++);
1243 0 : fprintf(f, "\n");
1244 : }
1245 : }
1246 :
1247 9 : if (config->ignore_old_scan_res)
1248 0 : fprintf(f, "ignore_old_scan_res=%d\n",
1249 : config->ignore_old_scan_res);
1250 :
1251 9 : if (config->freq_list && config->freq_list[0]) {
1252 : int i;
1253 0 : fprintf(f, "freq_list=");
1254 0 : for (i = 0; config->freq_list[i]; i++) {
1255 0 : fprintf(f, "%s%d", i > 0 ? " " : "",
1256 0 : config->freq_list[i]);
1257 : }
1258 0 : fprintf(f, "\n");
1259 : }
1260 9 : if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1261 0 : fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
1262 :
1263 9 : if (config->sched_scan_interval)
1264 0 : fprintf(f, "sched_scan_interval=%u\n",
1265 : config->sched_scan_interval);
1266 :
1267 9 : if (config->external_sim)
1268 0 : fprintf(f, "external_sim=%d\n", config->external_sim);
1269 :
1270 9 : if (config->tdls_external_control)
1271 0 : fprintf(f, "tdls_external_control=%d\n",
1272 : config->tdls_external_control);
1273 :
1274 9 : if (config->wowlan_triggers)
1275 0 : fprintf(f, "wowlan_triggers=%s\n",
1276 : config->wowlan_triggers);
1277 :
1278 9 : if (config->bgscan)
1279 0 : fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
1280 :
1281 9 : if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY)
1282 0 : fprintf(f, "p2p_search_delay=%u\n",
1283 : config->p2p_search_delay);
1284 :
1285 9 : if (config->mac_addr)
1286 0 : fprintf(f, "mac_addr=%d\n", config->mac_addr);
1287 :
1288 9 : if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1289 0 : fprintf(f, "rand_addr_lifetime=%u\n",
1290 : config->rand_addr_lifetime);
1291 :
1292 9 : if (config->preassoc_mac_addr)
1293 0 : fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr);
1294 :
1295 9 : if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD)
1296 0 : fprintf(f, "key_mgmt_offload=%d\n", config->key_mgmt_offload);
1297 :
1298 9 : if (config->user_mpm != DEFAULT_USER_MPM)
1299 0 : fprintf(f, "user_mpm=%d\n", config->user_mpm);
1300 :
1301 9 : if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS)
1302 0 : fprintf(f, "max_peer_links=%d\n", config->max_peer_links);
1303 :
1304 9 : if (config->cert_in_cb != DEFAULT_CERT_IN_CB)
1305 0 : fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb);
1306 :
1307 9 : if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY)
1308 0 : fprintf(f, "mesh_max_inactivity=%d\n",
1309 : config->mesh_max_inactivity);
1310 :
1311 9 : if (config->dot11RSNASAERetransPeriod !=
1312 : DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD)
1313 0 : fprintf(f, "dot11RSNASAERetransPeriod=%d\n",
1314 : config->dot11RSNASAERetransPeriod);
1315 :
1316 9 : if (config->passive_scan)
1317 0 : fprintf(f, "passive_scan=%d\n", config->passive_scan);
1318 :
1319 9 : if (config->reassoc_same_bss_optim)
1320 0 : fprintf(f, "reassoc_same_bss_optim=%d\n",
1321 : config->reassoc_same_bss_optim);
1322 :
1323 9 : if (config->wps_priority)
1324 5 : fprintf(f, "wps_priority=%d\n", config->wps_priority);
1325 :
1326 9 : if (config->wpa_rsc_relaxation != DEFAULT_WPA_RSC_RELAXATION)
1327 0 : fprintf(f, "wpa_rsc_relaxation=%d\n",
1328 : config->wpa_rsc_relaxation);
1329 :
1330 9 : if (config->sched_scan_plans)
1331 0 : fprintf(f, "sched_scan_plans=%s\n", config->sched_scan_plans);
1332 :
1333 : #ifdef CONFIG_MBO
1334 9 : if (config->non_pref_chan)
1335 0 : fprintf(f, "non_pref_chan=%s\n", config->non_pref_chan);
1336 9 : if (config->mbo_cell_capa != DEFAULT_MBO_CELL_CAPA)
1337 0 : fprintf(f, "mbo_cell_capa=%u\n", config->mbo_cell_capa);
1338 : #endif /* CONFIG_MBO */
1339 :
1340 9 : if (config->gas_address3)
1341 0 : fprintf(f, "gas_address3=%d\n", config->gas_address3);
1342 :
1343 9 : if (config->ftm_responder)
1344 0 : fprintf(f, "ftm_responder=%d\n", config->ftm_responder);
1345 9 : if (config->ftm_initiator)
1346 0 : fprintf(f, "ftm_initiator=%d\n", config->ftm_initiator);
1347 9 : }
1348 :
1349 : #endif /* CONFIG_NO_CONFIG_WRITE */
1350 :
1351 :
1352 9 : int wpa_config_write(const char *name, struct wpa_config *config)
1353 : {
1354 : #ifndef CONFIG_NO_CONFIG_WRITE
1355 : FILE *f;
1356 : struct wpa_ssid *ssid;
1357 : struct wpa_cred *cred;
1358 : #ifndef CONFIG_NO_CONFIG_BLOBS
1359 : struct wpa_config_blob *blob;
1360 : #endif /* CONFIG_NO_CONFIG_BLOBS */
1361 9 : int ret = 0;
1362 9 : const char *orig_name = name;
1363 9 : int tmp_len = os_strlen(name) + 5; /* allow space for .tmp suffix */
1364 9 : char *tmp_name = os_malloc(tmp_len);
1365 :
1366 9 : if (tmp_name) {
1367 9 : os_snprintf(tmp_name, tmp_len, "%s.tmp", name);
1368 9 : name = tmp_name;
1369 : }
1370 :
1371 9 : wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1372 :
1373 9 : f = fopen(name, "w");
1374 9 : if (f == NULL) {
1375 0 : wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1376 0 : os_free(tmp_name);
1377 0 : return -1;
1378 : }
1379 :
1380 9 : wpa_config_write_global(f, config);
1381 :
1382 15 : for (cred = config->cred; cred; cred = cred->next) {
1383 6 : if (cred->temporary)
1384 0 : continue;
1385 6 : fprintf(f, "\ncred={\n");
1386 6 : wpa_config_write_cred(f, cred);
1387 6 : fprintf(f, "}\n");
1388 : }
1389 :
1390 16 : for (ssid = config->ssid; ssid; ssid = ssid->next) {
1391 7 : if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
1392 0 : continue; /* do not save temporary networks */
1393 8 : if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
1394 1 : !ssid->passphrase)
1395 1 : continue; /* do not save invalid network */
1396 6 : fprintf(f, "\nnetwork={\n");
1397 6 : wpa_config_write_network(f, ssid);
1398 6 : fprintf(f, "}\n");
1399 : }
1400 :
1401 : #ifndef CONFIG_NO_CONFIG_BLOBS
1402 14 : for (blob = config->blobs; blob; blob = blob->next) {
1403 5 : ret = wpa_config_write_blob(f, blob);
1404 5 : if (ret)
1405 0 : break;
1406 : }
1407 : #endif /* CONFIG_NO_CONFIG_BLOBS */
1408 :
1409 9 : os_fdatasync(f);
1410 :
1411 9 : fclose(f);
1412 :
1413 9 : if (tmp_name) {
1414 9 : int chmod_ret = 0;
1415 :
1416 : #ifdef ANDROID
1417 : chmod_ret = chmod(tmp_name,
1418 : S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
1419 : #endif /* ANDROID */
1420 9 : if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0)
1421 2 : ret = -1;
1422 :
1423 9 : os_free(tmp_name);
1424 : }
1425 :
1426 9 : wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1427 : orig_name, ret ? "un" : "");
1428 9 : return ret;
1429 : #else /* CONFIG_NO_CONFIG_WRITE */
1430 : return -1;
1431 : #endif /* CONFIG_NO_CONFIG_WRITE */
1432 : }
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