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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant / Configuration backend: text file | |
56586197 | 3 | * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi> |
6fc6879b JM |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * Alternatively, this software may be distributed under the terms of BSD | |
10 | * license. | |
11 | * | |
12 | * See README and COPYING for more details. | |
13 | * | |
14 | * This file implements a configuration backend for text files. All the | |
15 | * configuration information is stored in a text file that uses a format | |
16 | * described in the sample configuration file, wpa_supplicant.conf. | |
17 | */ | |
18 | ||
19 | #include "includes.h" | |
20 | ||
21 | #include "common.h" | |
22 | #include "config.h" | |
23 | #include "base64.h" | |
f855f923 | 24 | #include "uuid.h" |
6fc6879b JM |
25 | |
26 | ||
27 | /** | |
28 | * wpa_config_get_line - Read the next configuration file line | |
29 | * @s: Buffer for the line | |
30 | * @size: The buffer length | |
31 | * @stream: File stream to read from | |
32 | * @line: Pointer to a variable storing the file line number | |
33 | * @_pos: Buffer for the pointer to the beginning of data on the text line or | |
34 | * %NULL if not needed (returned value used instead) | |
35 | * Returns: Pointer to the beginning of data on the text line or %NULL if no | |
36 | * more text lines are available. | |
37 | * | |
38 | * This function reads the next non-empty line from the configuration file and | |
39 | * removes comments. The returned string is guaranteed to be null-terminated. | |
40 | */ | |
41 | static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line, | |
42 | char **_pos) | |
43 | { | |
44 | char *pos, *end, *sstart; | |
45 | ||
46 | while (fgets(s, size, stream)) { | |
47 | (*line)++; | |
48 | s[size - 1] = '\0'; | |
49 | pos = s; | |
50 | ||
51 | /* Skip white space from the beginning of line. */ | |
52 | while (*pos == ' ' || *pos == '\t' || *pos == '\r') | |
53 | pos++; | |
54 | ||
55 | /* Skip comment lines and empty lines */ | |
56 | if (*pos == '#' || *pos == '\n' || *pos == '\0') | |
57 | continue; | |
58 | ||
59 | /* | |
60 | * Remove # comments unless they are within a double quoted | |
61 | * string. | |
62 | */ | |
63 | sstart = os_strchr(pos, '"'); | |
64 | if (sstart) | |
65 | sstart = os_strrchr(sstart + 1, '"'); | |
66 | if (!sstart) | |
67 | sstart = pos; | |
68 | end = os_strchr(sstart, '#'); | |
69 | if (end) | |
70 | *end-- = '\0'; | |
71 | else | |
72 | end = pos + os_strlen(pos) - 1; | |
73 | ||
74 | /* Remove trailing white space. */ | |
75 | while (end > pos && | |
76 | (*end == '\n' || *end == ' ' || *end == '\t' || | |
77 | *end == '\r')) | |
78 | *end-- = '\0'; | |
79 | ||
80 | if (*pos == '\0') | |
81 | continue; | |
82 | ||
83 | if (_pos) | |
84 | *_pos = pos; | |
85 | return pos; | |
86 | } | |
87 | ||
88 | if (_pos) | |
89 | *_pos = NULL; | |
90 | return NULL; | |
91 | } | |
92 | ||
93 | ||
94 | static int wpa_config_validate_network(struct wpa_ssid *ssid, int line) | |
95 | { | |
96 | int errors = 0; | |
97 | ||
98 | if (ssid->passphrase) { | |
99 | if (ssid->psk_set) { | |
100 | wpa_printf(MSG_ERROR, "Line %d: both PSK and " | |
101 | "passphrase configured.", line); | |
102 | errors++; | |
103 | } | |
104 | wpa_config_update_psk(ssid); | |
105 | } | |
106 | ||
56586197 JM |
107 | if ((ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK | |
108 | WPA_KEY_MGMT_PSK_SHA256)) && | |
6fc6879b JM |
109 | !ssid->psk_set) { |
110 | wpa_printf(MSG_ERROR, "Line %d: WPA-PSK accepted for key " | |
111 | "management, but no PSK configured.", line); | |
112 | errors++; | |
113 | } | |
114 | ||
115 | if ((ssid->group_cipher & WPA_CIPHER_CCMP) && | |
116 | !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && | |
117 | !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) { | |
118 | /* Group cipher cannot be stronger than the pairwise cipher. */ | |
119 | wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher" | |
120 | " list since it was not allowed for pairwise " | |
121 | "cipher", line); | |
122 | ssid->group_cipher &= ~WPA_CIPHER_CCMP; | |
123 | } | |
124 | ||
125 | return errors; | |
126 | } | |
127 | ||
128 | ||
129 | static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id) | |
130 | { | |
131 | struct wpa_ssid *ssid; | |
132 | int errors = 0, end = 0; | |
133 | char buf[256], *pos, *pos2; | |
134 | ||
135 | wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block", | |
136 | *line); | |
137 | ssid = os_zalloc(sizeof(*ssid)); | |
138 | if (ssid == NULL) | |
139 | return NULL; | |
140 | ssid->id = id; | |
141 | ||
142 | wpa_config_set_network_defaults(ssid); | |
143 | ||
144 | while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { | |
145 | if (os_strcmp(pos, "}") == 0) { | |
146 | end = 1; | |
147 | break; | |
148 | } | |
149 | ||
150 | pos2 = os_strchr(pos, '='); | |
151 | if (pos2 == NULL) { | |
152 | wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line " | |
153 | "'%s'.", *line, pos); | |
154 | errors++; | |
155 | continue; | |
156 | } | |
157 | ||
158 | *pos2++ = '\0'; | |
159 | if (*pos2 == '"') { | |
160 | if (os_strchr(pos2 + 1, '"') == NULL) { | |
161 | wpa_printf(MSG_ERROR, "Line %d: invalid " | |
162 | "quotation '%s'.", *line, pos2); | |
163 | errors++; | |
164 | continue; | |
165 | } | |
166 | } | |
167 | ||
168 | if (wpa_config_set(ssid, pos, pos2, *line) < 0) | |
169 | errors++; | |
170 | } | |
171 | ||
172 | if (!end) { | |
173 | wpa_printf(MSG_ERROR, "Line %d: network block was not " | |
174 | "terminated properly.", *line); | |
175 | errors++; | |
176 | } | |
177 | ||
178 | errors += wpa_config_validate_network(ssid, *line); | |
179 | ||
180 | if (errors) { | |
181 | wpa_config_free_ssid(ssid); | |
182 | ssid = NULL; | |
183 | } | |
184 | ||
185 | return ssid; | |
186 | } | |
187 | ||
188 | ||
189 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
190 | static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line, | |
191 | const char *name) | |
192 | { | |
193 | struct wpa_config_blob *blob; | |
194 | char buf[256], *pos; | |
195 | unsigned char *encoded = NULL, *nencoded; | |
196 | int end = 0; | |
197 | size_t encoded_len = 0, len; | |
198 | ||
199 | wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'", | |
200 | *line, name); | |
201 | ||
202 | while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { | |
203 | if (os_strcmp(pos, "}") == 0) { | |
204 | end = 1; | |
205 | break; | |
206 | } | |
207 | ||
208 | len = os_strlen(pos); | |
209 | nencoded = os_realloc(encoded, encoded_len + len); | |
210 | if (nencoded == NULL) { | |
211 | wpa_printf(MSG_ERROR, "Line %d: not enough memory for " | |
212 | "blob", *line); | |
213 | os_free(encoded); | |
214 | return NULL; | |
215 | } | |
216 | encoded = nencoded; | |
217 | os_memcpy(encoded + encoded_len, pos, len); | |
218 | encoded_len += len; | |
219 | } | |
220 | ||
221 | if (!end) { | |
222 | wpa_printf(MSG_ERROR, "Line %d: blob was not terminated " | |
223 | "properly", *line); | |
224 | os_free(encoded); | |
225 | return NULL; | |
226 | } | |
227 | ||
228 | blob = os_zalloc(sizeof(*blob)); | |
229 | if (blob == NULL) { | |
230 | os_free(encoded); | |
231 | return NULL; | |
232 | } | |
233 | blob->name = os_strdup(name); | |
234 | blob->data = base64_decode(encoded, encoded_len, &blob->len); | |
235 | os_free(encoded); | |
236 | ||
237 | if (blob->name == NULL || blob->data == NULL) { | |
238 | wpa_config_free_blob(blob); | |
239 | return NULL; | |
240 | } | |
241 | ||
242 | return blob; | |
243 | } | |
244 | ||
245 | ||
246 | static int wpa_config_process_blob(struct wpa_config *config, FILE *f, | |
247 | int *line, char *bname) | |
248 | { | |
249 | char *name_end; | |
250 | struct wpa_config_blob *blob; | |
251 | ||
252 | name_end = os_strchr(bname, '='); | |
253 | if (name_end == NULL) { | |
254 | wpa_printf(MSG_ERROR, "Line %d: no blob name terminator", | |
255 | *line); | |
256 | return -1; | |
257 | } | |
258 | *name_end = '\0'; | |
259 | ||
260 | blob = wpa_config_read_blob(f, line, bname); | |
261 | if (blob == NULL) { | |
262 | wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s", | |
263 | *line, bname); | |
264 | return -1; | |
265 | } | |
266 | wpa_config_set_blob(config, blob); | |
267 | return 0; | |
268 | } | |
269 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
270 | ||
271 | ||
6fc6879b JM |
272 | struct wpa_config * wpa_config_read(const char *name) |
273 | { | |
274 | FILE *f; | |
275 | char buf[256], *pos; | |
276 | int errors = 0, line = 0; | |
277 | struct wpa_ssid *ssid, *tail = NULL, *head = NULL; | |
278 | struct wpa_config *config; | |
279 | int id = 0; | |
280 | ||
281 | config = wpa_config_alloc_empty(NULL, NULL); | |
282 | if (config == NULL) | |
283 | return NULL; | |
284 | wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name); | |
285 | f = fopen(name, "r"); | |
286 | if (f == NULL) { | |
287 | os_free(config); | |
288 | return NULL; | |
289 | } | |
290 | ||
291 | while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) { | |
292 | if (os_strcmp(pos, "network={") == 0) { | |
293 | ssid = wpa_config_read_network(f, &line, id++); | |
294 | if (ssid == NULL) { | |
295 | wpa_printf(MSG_ERROR, "Line %d: failed to " | |
296 | "parse network block.", line); | |
297 | errors++; | |
298 | continue; | |
299 | } | |
300 | if (head == NULL) { | |
301 | head = tail = ssid; | |
302 | } else { | |
303 | tail->next = ssid; | |
304 | tail = ssid; | |
305 | } | |
306 | if (wpa_config_add_prio_network(config, ssid)) { | |
307 | wpa_printf(MSG_ERROR, "Line %d: failed to add " | |
308 | "network block to priority list.", | |
309 | line); | |
310 | errors++; | |
311 | continue; | |
312 | } | |
313 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
314 | } else if (os_strncmp(pos, "blob-base64-", 12) == 0) { | |
315 | if (wpa_config_process_blob(config, f, &line, pos + 12) | |
316 | < 0) { | |
317 | errors++; | |
318 | continue; | |
319 | } | |
320 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
321 | } else if (wpa_config_process_global(config, pos, line) < 0) { | |
322 | wpa_printf(MSG_ERROR, "Line %d: Invalid configuration " | |
323 | "line '%s'.", line, pos); | |
324 | errors++; | |
325 | continue; | |
326 | } | |
327 | } | |
328 | ||
329 | fclose(f); | |
330 | ||
331 | config->ssid = head; | |
332 | wpa_config_debug_dump_networks(config); | |
333 | ||
334 | if (errors) { | |
335 | wpa_config_free(config); | |
336 | config = NULL; | |
337 | head = NULL; | |
338 | } | |
339 | ||
340 | return config; | |
341 | } | |
342 | ||
343 | ||
344 | #ifndef CONFIG_NO_CONFIG_WRITE | |
345 | ||
346 | static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid) | |
347 | { | |
348 | char *value = wpa_config_get(ssid, field); | |
349 | if (value == NULL) | |
350 | return; | |
351 | fprintf(f, "\t%s=%s\n", field, value); | |
352 | os_free(value); | |
353 | } | |
354 | ||
355 | ||
356 | static void write_int(FILE *f, const char *field, int value, int def) | |
357 | { | |
358 | if (value == def) | |
359 | return; | |
360 | fprintf(f, "\t%s=%d\n", field, value); | |
361 | } | |
362 | ||
363 | ||
364 | static void write_bssid(FILE *f, struct wpa_ssid *ssid) | |
365 | { | |
366 | char *value = wpa_config_get(ssid, "bssid"); | |
367 | if (value == NULL) | |
368 | return; | |
369 | fprintf(f, "\tbssid=%s\n", value); | |
370 | os_free(value); | |
371 | } | |
372 | ||
373 | ||
374 | static void write_psk(FILE *f, struct wpa_ssid *ssid) | |
375 | { | |
376 | char *value = wpa_config_get(ssid, "psk"); | |
377 | if (value == NULL) | |
378 | return; | |
379 | fprintf(f, "\tpsk=%s\n", value); | |
380 | os_free(value); | |
381 | } | |
382 | ||
383 | ||
384 | static void write_proto(FILE *f, struct wpa_ssid *ssid) | |
385 | { | |
386 | char *value; | |
387 | ||
388 | if (ssid->proto == DEFAULT_PROTO) | |
389 | return; | |
390 | ||
391 | value = wpa_config_get(ssid, "proto"); | |
392 | if (value == NULL) | |
393 | return; | |
394 | if (value[0]) | |
395 | fprintf(f, "\tproto=%s\n", value); | |
396 | os_free(value); | |
397 | } | |
398 | ||
399 | ||
400 | static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid) | |
401 | { | |
402 | char *value; | |
403 | ||
404 | if (ssid->key_mgmt == DEFAULT_KEY_MGMT) | |
405 | return; | |
406 | ||
407 | value = wpa_config_get(ssid, "key_mgmt"); | |
408 | if (value == NULL) | |
409 | return; | |
410 | if (value[0]) | |
411 | fprintf(f, "\tkey_mgmt=%s\n", value); | |
412 | os_free(value); | |
413 | } | |
414 | ||
415 | ||
416 | static void write_pairwise(FILE *f, struct wpa_ssid *ssid) | |
417 | { | |
418 | char *value; | |
419 | ||
420 | if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) | |
421 | return; | |
422 | ||
423 | value = wpa_config_get(ssid, "pairwise"); | |
424 | if (value == NULL) | |
425 | return; | |
426 | if (value[0]) | |
427 | fprintf(f, "\tpairwise=%s\n", value); | |
428 | os_free(value); | |
429 | } | |
430 | ||
431 | ||
432 | static void write_group(FILE *f, struct wpa_ssid *ssid) | |
433 | { | |
434 | char *value; | |
435 | ||
436 | if (ssid->group_cipher == DEFAULT_GROUP) | |
437 | return; | |
438 | ||
439 | value = wpa_config_get(ssid, "group"); | |
440 | if (value == NULL) | |
441 | return; | |
442 | if (value[0]) | |
443 | fprintf(f, "\tgroup=%s\n", value); | |
444 | os_free(value); | |
445 | } | |
446 | ||
447 | ||
448 | static void write_auth_alg(FILE *f, struct wpa_ssid *ssid) | |
449 | { | |
450 | char *value; | |
451 | ||
452 | if (ssid->auth_alg == 0) | |
453 | return; | |
454 | ||
455 | value = wpa_config_get(ssid, "auth_alg"); | |
456 | if (value == NULL) | |
457 | return; | |
458 | if (value[0]) | |
459 | fprintf(f, "\tauth_alg=%s\n", value); | |
460 | os_free(value); | |
461 | } | |
462 | ||
463 | ||
464 | #ifdef IEEE8021X_EAPOL | |
465 | static void write_eap(FILE *f, struct wpa_ssid *ssid) | |
466 | { | |
467 | char *value; | |
468 | ||
469 | value = wpa_config_get(ssid, "eap"); | |
470 | if (value == NULL) | |
471 | return; | |
472 | ||
473 | if (value[0]) | |
474 | fprintf(f, "\teap=%s\n", value); | |
475 | os_free(value); | |
476 | } | |
477 | #endif /* IEEE8021X_EAPOL */ | |
478 | ||
479 | ||
480 | static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid) | |
481 | { | |
482 | char field[20], *value; | |
483 | int res; | |
484 | ||
485 | res = os_snprintf(field, sizeof(field), "wep_key%d", idx); | |
486 | if (res < 0 || (size_t) res >= sizeof(field)) | |
487 | return; | |
488 | value = wpa_config_get(ssid, field); | |
489 | if (value) { | |
490 | fprintf(f, "\t%s=%s\n", field, value); | |
491 | os_free(value); | |
492 | } | |
493 | } | |
494 | ||
495 | ||
496 | static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid) | |
497 | { | |
498 | int i; | |
499 | ||
500 | #define STR(t) write_str(f, #t, ssid) | |
501 | #define INT(t) write_int(f, #t, ssid->t, 0) | |
502 | #define INTe(t) write_int(f, #t, ssid->eap.t, 0) | |
503 | #define INT_DEF(t, def) write_int(f, #t, ssid->t, def) | |
504 | #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def) | |
505 | ||
506 | STR(ssid); | |
507 | INT(scan_ssid); | |
508 | write_bssid(f, ssid); | |
509 | write_psk(f, ssid); | |
510 | write_proto(f, ssid); | |
511 | write_key_mgmt(f, ssid); | |
512 | write_pairwise(f, ssid); | |
513 | write_group(f, ssid); | |
514 | write_auth_alg(f, ssid); | |
515 | #ifdef IEEE8021X_EAPOL | |
516 | write_eap(f, ssid); | |
517 | STR(identity); | |
518 | STR(anonymous_identity); | |
519 | STR(password); | |
520 | STR(ca_cert); | |
521 | STR(ca_path); | |
522 | STR(client_cert); | |
523 | STR(private_key); | |
524 | STR(private_key_passwd); | |
525 | STR(dh_file); | |
526 | STR(subject_match); | |
527 | STR(altsubject_match); | |
528 | STR(ca_cert2); | |
529 | STR(ca_path2); | |
530 | STR(client_cert2); | |
531 | STR(private_key2); | |
532 | STR(private_key2_passwd); | |
533 | STR(dh_file2); | |
534 | STR(subject_match2); | |
535 | STR(altsubject_match2); | |
536 | STR(phase1); | |
537 | STR(phase2); | |
538 | STR(pcsc); | |
539 | STR(pin); | |
540 | STR(engine_id); | |
541 | STR(key_id); | |
61ee0f71 DS |
542 | STR(cert_id); |
543 | STR(ca_cert_id); | |
544 | STR(key2_id); | |
98842d51 CL |
545 | STR(pin2); |
546 | STR(engine2_id); | |
61ee0f71 DS |
547 | STR(cert2_id); |
548 | STR(ca_cert2_id); | |
6fc6879b | 549 | INTe(engine); |
98842d51 | 550 | INTe(engine2); |
6fc6879b JM |
551 | INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); |
552 | #endif /* IEEE8021X_EAPOL */ | |
553 | for (i = 0; i < 4; i++) | |
554 | write_wep_key(f, i, ssid); | |
555 | INT(wep_tx_keyidx); | |
556 | INT(priority); | |
557 | #ifdef IEEE8021X_EAPOL | |
558 | INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); | |
559 | STR(pac_file); | |
560 | INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); | |
561 | #endif /* IEEE8021X_EAPOL */ | |
562 | INT(mode); | |
563 | INT(proactive_key_caching); | |
564 | INT(disabled); | |
565 | INT(peerkey); | |
566 | #ifdef CONFIG_IEEE80211W | |
567 | INT(ieee80211w); | |
568 | #endif /* CONFIG_IEEE80211W */ | |
569 | STR(id_str); | |
570 | ||
571 | #undef STR | |
572 | #undef INT | |
573 | #undef INT_DEF | |
574 | } | |
575 | ||
576 | ||
577 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
578 | static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob) | |
579 | { | |
580 | unsigned char *encoded; | |
581 | ||
582 | encoded = base64_encode(blob->data, blob->len, NULL); | |
583 | if (encoded == NULL) | |
584 | return -1; | |
585 | ||
586 | fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded); | |
587 | os_free(encoded); | |
588 | return 0; | |
589 | } | |
590 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
591 | ||
592 | ||
593 | static void wpa_config_write_global(FILE *f, struct wpa_config *config) | |
594 | { | |
595 | #ifdef CONFIG_CTRL_IFACE | |
596 | if (config->ctrl_interface) | |
597 | fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface); | |
598 | if (config->ctrl_interface_group) | |
599 | fprintf(f, "ctrl_interface_group=%s\n", | |
600 | config->ctrl_interface_group); | |
601 | #endif /* CONFIG_CTRL_IFACE */ | |
602 | if (config->eapol_version != DEFAULT_EAPOL_VERSION) | |
603 | fprintf(f, "eapol_version=%d\n", config->eapol_version); | |
604 | if (config->ap_scan != DEFAULT_AP_SCAN) | |
605 | fprintf(f, "ap_scan=%d\n", config->ap_scan); | |
606 | if (config->fast_reauth != DEFAULT_FAST_REAUTH) | |
607 | fprintf(f, "fast_reauth=%d\n", config->fast_reauth); | |
6fc6879b JM |
608 | if (config->opensc_engine_path) |
609 | fprintf(f, "opensc_engine_path=%s\n", | |
610 | config->opensc_engine_path); | |
611 | if (config->pkcs11_engine_path) | |
612 | fprintf(f, "pkcs11_engine_path=%s\n", | |
613 | config->pkcs11_engine_path); | |
614 | if (config->pkcs11_module_path) | |
615 | fprintf(f, "pkcs11_module_path=%s\n", | |
616 | config->pkcs11_module_path); | |
6fc6879b JM |
617 | if (config->driver_param) |
618 | fprintf(f, "driver_param=%s\n", config->driver_param); | |
619 | if (config->dot11RSNAConfigPMKLifetime) | |
620 | fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n", | |
621 | config->dot11RSNAConfigPMKLifetime); | |
622 | if (config->dot11RSNAConfigPMKReauthThreshold) | |
623 | fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n", | |
624 | config->dot11RSNAConfigPMKReauthThreshold); | |
625 | if (config->dot11RSNAConfigSATimeout) | |
626 | fprintf(f, "dot11RSNAConfigSATimeout=%d\n", | |
627 | config->dot11RSNAConfigSATimeout); | |
628 | if (config->update_config) | |
629 | fprintf(f, "update_config=%d\n", config->update_config); | |
f855f923 | 630 | #ifdef CONFIG_WPS |
9be09636 | 631 | if (!is_nil_uuid(config->uuid)) { |
f855f923 JM |
632 | char buf[40]; |
633 | uuid_bin2str(config->uuid, buf, sizeof(buf)); | |
634 | fprintf(f, "uuid=%s\n", buf); | |
635 | } | |
3c0b7aa4 JM |
636 | if (config->device_name) |
637 | fprintf(f, "device_name=%s\n", config->device_name); | |
638 | if (config->manufacturer) | |
639 | fprintf(f, "manufacturer=%s\n", config->manufacturer); | |
640 | if (config->model_name) | |
641 | fprintf(f, "model_name=%s\n", config->model_name); | |
642 | if (config->model_number) | |
643 | fprintf(f, "model_number=%s\n", config->model_number); | |
644 | if (config->serial_number) | |
645 | fprintf(f, "serial_number=%s\n", config->serial_number); | |
646 | if (config->device_type) | |
647 | fprintf(f, "device_type=%s\n", config->device_type); | |
9be09636 | 648 | if (WPA_GET_BE32(config->os_version)) |
3c0b7aa4 JM |
649 | fprintf(f, "os_version=%08x\n", |
650 | WPA_GET_BE32(config->os_version)); | |
c0e4dd9e JM |
651 | if (config->config_methods) |
652 | fprintf(f, "config_methods=%s\n", config->config_methods); | |
47662164 JM |
653 | if (config->wps_cred_processing) |
654 | fprintf(f, "wps_cred_processing=%d\n", | |
655 | config->wps_cred_processing); | |
f855f923 | 656 | #endif /* CONFIG_WPS */ |
e3768e7c JM |
657 | #ifdef CONFIG_P2P |
658 | if (config->p2p_listen_reg_class) | |
659 | fprintf(f, "p2p_listen_reg_class=%u\n", | |
660 | config->p2p_listen_reg_class); | |
661 | if (config->p2p_listen_channel) | |
662 | fprintf(f, "p2p_listen_channel=%u\n", | |
663 | config->p2p_listen_channel); | |
664 | if (config->p2p_oper_reg_class) | |
665 | fprintf(f, "p2p_oper_reg_class=%u\n", | |
666 | config->p2p_oper_reg_class); | |
667 | if (config->p2p_oper_channel) | |
668 | fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel); | |
669 | if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT) | |
670 | fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent); | |
671 | if (config->p2p_ssid_postfix) | |
672 | fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix); | |
673 | if (config->persistent_reconnect) | |
674 | fprintf(f, "persistent_reconnect=%u\n", | |
675 | config->persistent_reconnect); | |
0f66abd2 SS |
676 | if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS) |
677 | fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss); | |
3071e181 JM |
678 | if (config->p2p_group_idle) |
679 | fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle); | |
e3768e7c | 680 | #endif /* CONFIG_P2P */ |
315ce40a | 681 | if (config->country[0] && config->country[1]) { |
6d158490 | 682 | fprintf(f, "country=%c%c\n", |
315ce40a | 683 | config->country[0], config->country[1]); |
6d158490 | 684 | } |
c9c38b09 JM |
685 | if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT) |
686 | fprintf(f, "bss_max_count=%u\n", config->bss_max_count); | |
3812464c JM |
687 | if (config->filter_ssids) |
688 | fprintf(f, "filter_ssids=%d\n", config->filter_ssids); | |
dae608d5 JM |
689 | if (config->max_num_sta != DEFAULT_MAX_NUM_STA) |
690 | fprintf(f, "max_num_sta=%u\n", config->max_num_sta); | |
6fc6879b JM |
691 | } |
692 | ||
693 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
694 | ||
695 | ||
696 | int wpa_config_write(const char *name, struct wpa_config *config) | |
697 | { | |
698 | #ifndef CONFIG_NO_CONFIG_WRITE | |
699 | FILE *f; | |
700 | struct wpa_ssid *ssid; | |
701 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
702 | struct wpa_config_blob *blob; | |
703 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
704 | int ret = 0; | |
705 | ||
706 | wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); | |
707 | ||
708 | f = fopen(name, "w"); | |
709 | if (f == NULL) { | |
710 | wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name); | |
711 | return -1; | |
712 | } | |
713 | ||
714 | wpa_config_write_global(f, config); | |
715 | ||
716 | for (ssid = config->ssid; ssid; ssid = ssid->next) { | |
2ff99b3c JM |
717 | if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary) |
718 | continue; /* do not save temporary networks */ | |
6fc6879b JM |
719 | fprintf(f, "\nnetwork={\n"); |
720 | wpa_config_write_network(f, ssid); | |
721 | fprintf(f, "}\n"); | |
722 | } | |
723 | ||
724 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
725 | for (blob = config->blobs; blob; blob = blob->next) { | |
726 | ret = wpa_config_write_blob(f, blob); | |
727 | if (ret) | |
728 | break; | |
729 | } | |
730 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
731 | ||
732 | fclose(f); | |
733 | ||
734 | wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully", | |
735 | name, ret ? "un" : ""); | |
736 | return ret; | |
737 | #else /* CONFIG_NO_CONFIG_WRITE */ | |
738 | return -1; | |
739 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
740 | } |