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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant / Configuration backend: text file | |
f64adcd7 | 3 | * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | * |
8 | * This file implements a configuration backend for text files. All the | |
9 | * configuration information is stored in a text file that uses a format | |
10 | * described in the sample configuration file, wpa_supplicant.conf. | |
11 | */ | |
12 | ||
13 | #include "includes.h" | |
14 | ||
15 | #include "common.h" | |
16 | #include "config.h" | |
17 | #include "base64.h" | |
f855f923 | 18 | #include "uuid.h" |
21d996f7 | 19 | #include "p2p/p2p.h" |
6fc6879b JM |
20 | |
21 | ||
22 | /** | |
23 | * wpa_config_get_line - Read the next configuration file line | |
24 | * @s: Buffer for the line | |
25 | * @size: The buffer length | |
26 | * @stream: File stream to read from | |
27 | * @line: Pointer to a variable storing the file line number | |
28 | * @_pos: Buffer for the pointer to the beginning of data on the text line or | |
29 | * %NULL if not needed (returned value used instead) | |
30 | * Returns: Pointer to the beginning of data on the text line or %NULL if no | |
31 | * more text lines are available. | |
32 | * | |
33 | * This function reads the next non-empty line from the configuration file and | |
34 | * removes comments. The returned string is guaranteed to be null-terminated. | |
35 | */ | |
36 | static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line, | |
37 | char **_pos) | |
38 | { | |
39 | char *pos, *end, *sstart; | |
40 | ||
41 | while (fgets(s, size, stream)) { | |
42 | (*line)++; | |
43 | s[size - 1] = '\0'; | |
44 | pos = s; | |
45 | ||
46 | /* Skip white space from the beginning of line. */ | |
47 | while (*pos == ' ' || *pos == '\t' || *pos == '\r') | |
48 | pos++; | |
49 | ||
50 | /* Skip comment lines and empty lines */ | |
51 | if (*pos == '#' || *pos == '\n' || *pos == '\0') | |
52 | continue; | |
53 | ||
54 | /* | |
55 | * Remove # comments unless they are within a double quoted | |
56 | * string. | |
57 | */ | |
58 | sstart = os_strchr(pos, '"'); | |
59 | if (sstart) | |
60 | sstart = os_strrchr(sstart + 1, '"'); | |
61 | if (!sstart) | |
62 | sstart = pos; | |
63 | end = os_strchr(sstart, '#'); | |
64 | if (end) | |
65 | *end-- = '\0'; | |
66 | else | |
67 | end = pos + os_strlen(pos) - 1; | |
68 | ||
69 | /* Remove trailing white space. */ | |
70 | while (end > pos && | |
71 | (*end == '\n' || *end == ' ' || *end == '\t' || | |
72 | *end == '\r')) | |
73 | *end-- = '\0'; | |
74 | ||
75 | if (*pos == '\0') | |
76 | continue; | |
77 | ||
78 | if (_pos) | |
79 | *_pos = pos; | |
80 | return pos; | |
81 | } | |
82 | ||
83 | if (_pos) | |
84 | *_pos = NULL; | |
85 | return NULL; | |
86 | } | |
87 | ||
88 | ||
89 | static int wpa_config_validate_network(struct wpa_ssid *ssid, int line) | |
90 | { | |
91 | int errors = 0; | |
92 | ||
93 | if (ssid->passphrase) { | |
94 | if (ssid->psk_set) { | |
95 | wpa_printf(MSG_ERROR, "Line %d: both PSK and " | |
96 | "passphrase configured.", line); | |
97 | errors++; | |
98 | } | |
99 | wpa_config_update_psk(ssid); | |
100 | } | |
101 | ||
6fc6879b JM |
102 | if ((ssid->group_cipher & WPA_CIPHER_CCMP) && |
103 | !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && | |
104 | !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) { | |
105 | /* Group cipher cannot be stronger than the pairwise cipher. */ | |
106 | wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher" | |
107 | " list since it was not allowed for pairwise " | |
108 | "cipher", line); | |
109 | ssid->group_cipher &= ~WPA_CIPHER_CCMP; | |
110 | } | |
111 | ||
112 | return errors; | |
113 | } | |
114 | ||
115 | ||
116 | static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id) | |
117 | { | |
118 | struct wpa_ssid *ssid; | |
119 | int errors = 0, end = 0; | |
120 | char buf[256], *pos, *pos2; | |
121 | ||
122 | wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block", | |
123 | *line); | |
124 | ssid = os_zalloc(sizeof(*ssid)); | |
125 | if (ssid == NULL) | |
126 | return NULL; | |
127 | ssid->id = id; | |
128 | ||
129 | wpa_config_set_network_defaults(ssid); | |
130 | ||
131 | while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { | |
132 | if (os_strcmp(pos, "}") == 0) { | |
133 | end = 1; | |
134 | break; | |
135 | } | |
136 | ||
137 | pos2 = os_strchr(pos, '='); | |
138 | if (pos2 == NULL) { | |
139 | wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line " | |
140 | "'%s'.", *line, pos); | |
141 | errors++; | |
142 | continue; | |
143 | } | |
144 | ||
145 | *pos2++ = '\0'; | |
146 | if (*pos2 == '"') { | |
147 | if (os_strchr(pos2 + 1, '"') == NULL) { | |
148 | wpa_printf(MSG_ERROR, "Line %d: invalid " | |
149 | "quotation '%s'.", *line, pos2); | |
150 | errors++; | |
151 | continue; | |
152 | } | |
153 | } | |
154 | ||
155 | if (wpa_config_set(ssid, pos, pos2, *line) < 0) | |
156 | errors++; | |
157 | } | |
158 | ||
159 | if (!end) { | |
160 | wpa_printf(MSG_ERROR, "Line %d: network block was not " | |
161 | "terminated properly.", *line); | |
162 | errors++; | |
163 | } | |
164 | ||
165 | errors += wpa_config_validate_network(ssid, *line); | |
166 | ||
167 | if (errors) { | |
168 | wpa_config_free_ssid(ssid); | |
169 | ssid = NULL; | |
170 | } | |
171 | ||
172 | return ssid; | |
173 | } | |
174 | ||
175 | ||
1bb7b8e8 JM |
176 | static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id) |
177 | { | |
178 | struct wpa_cred *cred; | |
179 | int errors = 0, end = 0; | |
180 | char buf[256], *pos, *pos2; | |
181 | ||
182 | wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line); | |
183 | cred = os_zalloc(sizeof(*cred)); | |
184 | if (cred == NULL) | |
185 | return NULL; | |
186 | cred->id = id; | |
187 | ||
188 | while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { | |
189 | if (os_strcmp(pos, "}") == 0) { | |
190 | end = 1; | |
191 | break; | |
192 | } | |
193 | ||
194 | pos2 = os_strchr(pos, '='); | |
195 | if (pos2 == NULL) { | |
196 | wpa_printf(MSG_ERROR, "Line %d: Invalid cred line " | |
197 | "'%s'.", *line, pos); | |
198 | errors++; | |
199 | continue; | |
200 | } | |
201 | ||
202 | *pos2++ = '\0'; | |
203 | if (*pos2 == '"') { | |
204 | if (os_strchr(pos2 + 1, '"') == NULL) { | |
205 | wpa_printf(MSG_ERROR, "Line %d: invalid " | |
206 | "quotation '%s'.", *line, pos2); | |
207 | errors++; | |
208 | continue; | |
209 | } | |
210 | } | |
211 | ||
212 | if (wpa_config_set_cred(cred, pos, pos2, *line) < 0) | |
213 | errors++; | |
214 | } | |
215 | ||
216 | if (!end) { | |
217 | wpa_printf(MSG_ERROR, "Line %d: cred block was not " | |
218 | "terminated properly.", *line); | |
219 | errors++; | |
220 | } | |
221 | ||
222 | if (errors) { | |
223 | wpa_config_free_cred(cred); | |
224 | cred = NULL; | |
225 | } | |
226 | ||
227 | return cred; | |
228 | } | |
229 | ||
230 | ||
6fc6879b JM |
231 | #ifndef CONFIG_NO_CONFIG_BLOBS |
232 | static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line, | |
233 | const char *name) | |
234 | { | |
235 | struct wpa_config_blob *blob; | |
236 | char buf[256], *pos; | |
237 | unsigned char *encoded = NULL, *nencoded; | |
238 | int end = 0; | |
239 | size_t encoded_len = 0, len; | |
240 | ||
241 | wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'", | |
242 | *line, name); | |
243 | ||
244 | while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { | |
245 | if (os_strcmp(pos, "}") == 0) { | |
246 | end = 1; | |
247 | break; | |
248 | } | |
249 | ||
250 | len = os_strlen(pos); | |
251 | nencoded = os_realloc(encoded, encoded_len + len); | |
252 | if (nencoded == NULL) { | |
253 | wpa_printf(MSG_ERROR, "Line %d: not enough memory for " | |
254 | "blob", *line); | |
255 | os_free(encoded); | |
256 | return NULL; | |
257 | } | |
258 | encoded = nencoded; | |
259 | os_memcpy(encoded + encoded_len, pos, len); | |
260 | encoded_len += len; | |
261 | } | |
262 | ||
263 | if (!end) { | |
264 | wpa_printf(MSG_ERROR, "Line %d: blob was not terminated " | |
265 | "properly", *line); | |
266 | os_free(encoded); | |
267 | return NULL; | |
268 | } | |
269 | ||
270 | blob = os_zalloc(sizeof(*blob)); | |
271 | if (blob == NULL) { | |
272 | os_free(encoded); | |
273 | return NULL; | |
274 | } | |
275 | blob->name = os_strdup(name); | |
276 | blob->data = base64_decode(encoded, encoded_len, &blob->len); | |
277 | os_free(encoded); | |
278 | ||
279 | if (blob->name == NULL || blob->data == NULL) { | |
280 | wpa_config_free_blob(blob); | |
281 | return NULL; | |
282 | } | |
283 | ||
284 | return blob; | |
285 | } | |
286 | ||
287 | ||
288 | static int wpa_config_process_blob(struct wpa_config *config, FILE *f, | |
289 | int *line, char *bname) | |
290 | { | |
291 | char *name_end; | |
292 | struct wpa_config_blob *blob; | |
293 | ||
294 | name_end = os_strchr(bname, '='); | |
295 | if (name_end == NULL) { | |
296 | wpa_printf(MSG_ERROR, "Line %d: no blob name terminator", | |
297 | *line); | |
298 | return -1; | |
299 | } | |
300 | *name_end = '\0'; | |
301 | ||
302 | blob = wpa_config_read_blob(f, line, bname); | |
303 | if (blob == NULL) { | |
304 | wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s", | |
305 | *line, bname); | |
306 | return -1; | |
307 | } | |
308 | wpa_config_set_blob(config, blob); | |
309 | return 0; | |
310 | } | |
311 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
312 | ||
313 | ||
6fc6879b JM |
314 | struct wpa_config * wpa_config_read(const char *name) |
315 | { | |
316 | FILE *f; | |
3f2c8ba6 | 317 | char buf[512], *pos; |
6fc6879b JM |
318 | int errors = 0, line = 0; |
319 | struct wpa_ssid *ssid, *tail = NULL, *head = NULL; | |
1bb7b8e8 | 320 | struct wpa_cred *cred, *cred_tail = NULL, *cred_head = NULL; |
6fc6879b JM |
321 | struct wpa_config *config; |
322 | int id = 0; | |
1bb7b8e8 | 323 | int cred_id = 0; |
6fc6879b JM |
324 | |
325 | config = wpa_config_alloc_empty(NULL, NULL); | |
481cac21 BG |
326 | if (config == NULL) { |
327 | wpa_printf(MSG_ERROR, "Failed to allocate config file " | |
328 | "structure"); | |
6fc6879b | 329 | return NULL; |
481cac21 BG |
330 | } |
331 | ||
6fc6879b JM |
332 | wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name); |
333 | f = fopen(name, "r"); | |
334 | if (f == NULL) { | |
481cac21 BG |
335 | wpa_printf(MSG_ERROR, "Failed to open config file '%s', " |
336 | "error: %s", name, strerror(errno)); | |
6fc6879b JM |
337 | os_free(config); |
338 | return NULL; | |
339 | } | |
340 | ||
341 | while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) { | |
342 | if (os_strcmp(pos, "network={") == 0) { | |
343 | ssid = wpa_config_read_network(f, &line, id++); | |
344 | if (ssid == NULL) { | |
345 | wpa_printf(MSG_ERROR, "Line %d: failed to " | |
346 | "parse network block.", line); | |
347 | errors++; | |
348 | continue; | |
349 | } | |
350 | if (head == NULL) { | |
351 | head = tail = ssid; | |
352 | } else { | |
353 | tail->next = ssid; | |
354 | tail = ssid; | |
355 | } | |
356 | if (wpa_config_add_prio_network(config, ssid)) { | |
357 | wpa_printf(MSG_ERROR, "Line %d: failed to add " | |
358 | "network block to priority list.", | |
359 | line); | |
360 | errors++; | |
361 | continue; | |
362 | } | |
1bb7b8e8 JM |
363 | } else if (os_strcmp(pos, "cred={") == 0) { |
364 | cred = wpa_config_read_cred(f, &line, cred_id++); | |
365 | if (cred == NULL) { | |
366 | wpa_printf(MSG_ERROR, "Line %d: failed to " | |
367 | "parse cred block.", line); | |
368 | errors++; | |
369 | continue; | |
370 | } | |
371 | if (cred_head == NULL) { | |
372 | cred_head = cred_tail = cred; | |
373 | } else { | |
374 | cred_tail->next = cred; | |
375 | cred_tail = cred; | |
376 | } | |
6fc6879b JM |
377 | #ifndef CONFIG_NO_CONFIG_BLOBS |
378 | } else if (os_strncmp(pos, "blob-base64-", 12) == 0) { | |
379 | if (wpa_config_process_blob(config, f, &line, pos + 12) | |
380 | < 0) { | |
481cac21 BG |
381 | wpa_printf(MSG_ERROR, "Line %d: failed to " |
382 | "process blob.", line); | |
6fc6879b JM |
383 | errors++; |
384 | continue; | |
385 | } | |
386 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
387 | } else if (wpa_config_process_global(config, pos, line) < 0) { | |
388 | wpa_printf(MSG_ERROR, "Line %d: Invalid configuration " | |
389 | "line '%s'.", line, pos); | |
390 | errors++; | |
391 | continue; | |
392 | } | |
393 | } | |
394 | ||
395 | fclose(f); | |
396 | ||
397 | config->ssid = head; | |
398 | wpa_config_debug_dump_networks(config); | |
1bb7b8e8 | 399 | config->cred = cred_head; |
6fc6879b | 400 | |
ae6e1bee | 401 | #ifndef WPA_IGNORE_CONFIG_ERRORS |
6fc6879b JM |
402 | if (errors) { |
403 | wpa_config_free(config); | |
404 | config = NULL; | |
405 | head = NULL; | |
406 | } | |
ae6e1bee | 407 | #endif /* WPA_IGNORE_CONFIG_ERRORS */ |
6fc6879b JM |
408 | |
409 | return config; | |
410 | } | |
411 | ||
412 | ||
413 | #ifndef CONFIG_NO_CONFIG_WRITE | |
414 | ||
415 | static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid) | |
416 | { | |
417 | char *value = wpa_config_get(ssid, field); | |
418 | if (value == NULL) | |
419 | return; | |
420 | fprintf(f, "\t%s=%s\n", field, value); | |
421 | os_free(value); | |
422 | } | |
423 | ||
424 | ||
425 | static void write_int(FILE *f, const char *field, int value, int def) | |
426 | { | |
427 | if (value == def) | |
428 | return; | |
429 | fprintf(f, "\t%s=%d\n", field, value); | |
430 | } | |
431 | ||
432 | ||
433 | static void write_bssid(FILE *f, struct wpa_ssid *ssid) | |
434 | { | |
435 | char *value = wpa_config_get(ssid, "bssid"); | |
436 | if (value == NULL) | |
437 | return; | |
438 | fprintf(f, "\tbssid=%s\n", value); | |
439 | os_free(value); | |
440 | } | |
441 | ||
442 | ||
443 | static void write_psk(FILE *f, struct wpa_ssid *ssid) | |
444 | { | |
445 | char *value = wpa_config_get(ssid, "psk"); | |
446 | if (value == NULL) | |
447 | return; | |
448 | fprintf(f, "\tpsk=%s\n", value); | |
449 | os_free(value); | |
450 | } | |
451 | ||
452 | ||
453 | static void write_proto(FILE *f, struct wpa_ssid *ssid) | |
454 | { | |
455 | char *value; | |
456 | ||
457 | if (ssid->proto == DEFAULT_PROTO) | |
458 | return; | |
459 | ||
460 | value = wpa_config_get(ssid, "proto"); | |
461 | if (value == NULL) | |
462 | return; | |
463 | if (value[0]) | |
464 | fprintf(f, "\tproto=%s\n", value); | |
465 | os_free(value); | |
466 | } | |
467 | ||
468 | ||
469 | static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid) | |
470 | { | |
471 | char *value; | |
472 | ||
473 | if (ssid->key_mgmt == DEFAULT_KEY_MGMT) | |
474 | return; | |
475 | ||
476 | value = wpa_config_get(ssid, "key_mgmt"); | |
477 | if (value == NULL) | |
478 | return; | |
479 | if (value[0]) | |
480 | fprintf(f, "\tkey_mgmt=%s\n", value); | |
481 | os_free(value); | |
482 | } | |
483 | ||
484 | ||
485 | static void write_pairwise(FILE *f, struct wpa_ssid *ssid) | |
486 | { | |
487 | char *value; | |
488 | ||
489 | if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) | |
490 | return; | |
491 | ||
492 | value = wpa_config_get(ssid, "pairwise"); | |
493 | if (value == NULL) | |
494 | return; | |
495 | if (value[0]) | |
496 | fprintf(f, "\tpairwise=%s\n", value); | |
497 | os_free(value); | |
498 | } | |
499 | ||
500 | ||
501 | static void write_group(FILE *f, struct wpa_ssid *ssid) | |
502 | { | |
503 | char *value; | |
504 | ||
505 | if (ssid->group_cipher == DEFAULT_GROUP) | |
506 | return; | |
507 | ||
508 | value = wpa_config_get(ssid, "group"); | |
509 | if (value == NULL) | |
510 | return; | |
511 | if (value[0]) | |
512 | fprintf(f, "\tgroup=%s\n", value); | |
513 | os_free(value); | |
514 | } | |
515 | ||
516 | ||
517 | static void write_auth_alg(FILE *f, struct wpa_ssid *ssid) | |
518 | { | |
519 | char *value; | |
520 | ||
521 | if (ssid->auth_alg == 0) | |
522 | return; | |
523 | ||
524 | value = wpa_config_get(ssid, "auth_alg"); | |
525 | if (value == NULL) | |
526 | return; | |
527 | if (value[0]) | |
528 | fprintf(f, "\tauth_alg=%s\n", value); | |
529 | os_free(value); | |
530 | } | |
531 | ||
532 | ||
533 | #ifdef IEEE8021X_EAPOL | |
534 | static void write_eap(FILE *f, struct wpa_ssid *ssid) | |
535 | { | |
536 | char *value; | |
537 | ||
538 | value = wpa_config_get(ssid, "eap"); | |
539 | if (value == NULL) | |
540 | return; | |
541 | ||
542 | if (value[0]) | |
543 | fprintf(f, "\teap=%s\n", value); | |
544 | os_free(value); | |
545 | } | |
546 | #endif /* IEEE8021X_EAPOL */ | |
547 | ||
548 | ||
549 | static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid) | |
550 | { | |
551 | char field[20], *value; | |
552 | int res; | |
553 | ||
554 | res = os_snprintf(field, sizeof(field), "wep_key%d", idx); | |
555 | if (res < 0 || (size_t) res >= sizeof(field)) | |
556 | return; | |
557 | value = wpa_config_get(ssid, field); | |
558 | if (value) { | |
559 | fprintf(f, "\t%s=%s\n", field, value); | |
560 | os_free(value); | |
561 | } | |
562 | } | |
563 | ||
564 | ||
fbdcfd57 JM |
565 | #ifdef CONFIG_P2P |
566 | static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid) | |
567 | { | |
568 | char *value = wpa_config_get(ssid, "p2p_client_list"); | |
569 | if (value == NULL) | |
570 | return; | |
571 | fprintf(f, "\tp2p_client_list=%s\n", value); | |
572 | os_free(value); | |
573 | } | |
574 | #endif /* CONFIG_P2P */ | |
575 | ||
576 | ||
6fc6879b JM |
577 | static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid) |
578 | { | |
579 | int i; | |
580 | ||
581 | #define STR(t) write_str(f, #t, ssid) | |
582 | #define INT(t) write_int(f, #t, ssid->t, 0) | |
583 | #define INTe(t) write_int(f, #t, ssid->eap.t, 0) | |
584 | #define INT_DEF(t, def) write_int(f, #t, ssid->t, def) | |
585 | #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def) | |
586 | ||
587 | STR(ssid); | |
588 | INT(scan_ssid); | |
589 | write_bssid(f, ssid); | |
590 | write_psk(f, ssid); | |
591 | write_proto(f, ssid); | |
592 | write_key_mgmt(f, ssid); | |
4f920dc6 | 593 | INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD); |
6fc6879b JM |
594 | write_pairwise(f, ssid); |
595 | write_group(f, ssid); | |
596 | write_auth_alg(f, ssid); | |
af548f53 | 597 | STR(bgscan); |
1aea2ca3 | 598 | STR(autoscan); |
6fc6879b JM |
599 | #ifdef IEEE8021X_EAPOL |
600 | write_eap(f, ssid); | |
601 | STR(identity); | |
602 | STR(anonymous_identity); | |
603 | STR(password); | |
604 | STR(ca_cert); | |
605 | STR(ca_path); | |
606 | STR(client_cert); | |
607 | STR(private_key); | |
608 | STR(private_key_passwd); | |
609 | STR(dh_file); | |
610 | STR(subject_match); | |
611 | STR(altsubject_match); | |
612 | STR(ca_cert2); | |
613 | STR(ca_path2); | |
614 | STR(client_cert2); | |
615 | STR(private_key2); | |
616 | STR(private_key2_passwd); | |
617 | STR(dh_file2); | |
618 | STR(subject_match2); | |
619 | STR(altsubject_match2); | |
620 | STR(phase1); | |
621 | STR(phase2); | |
622 | STR(pcsc); | |
623 | STR(pin); | |
624 | STR(engine_id); | |
625 | STR(key_id); | |
61ee0f71 DS |
626 | STR(cert_id); |
627 | STR(ca_cert_id); | |
628 | STR(key2_id); | |
98842d51 CL |
629 | STR(pin2); |
630 | STR(engine2_id); | |
61ee0f71 DS |
631 | STR(cert2_id); |
632 | STR(ca_cert2_id); | |
6fc6879b | 633 | INTe(engine); |
98842d51 | 634 | INTe(engine2); |
6fc6879b JM |
635 | INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); |
636 | #endif /* IEEE8021X_EAPOL */ | |
637 | for (i = 0; i < 4; i++) | |
638 | write_wep_key(f, i, ssid); | |
639 | INT(wep_tx_keyidx); | |
640 | INT(priority); | |
641 | #ifdef IEEE8021X_EAPOL | |
642 | INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); | |
643 | STR(pac_file); | |
644 | INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); | |
645 | #endif /* IEEE8021X_EAPOL */ | |
646 | INT(mode); | |
647 | INT(proactive_key_caching); | |
648 | INT(disabled); | |
649 | INT(peerkey); | |
650 | #ifdef CONFIG_IEEE80211W | |
651 | INT(ieee80211w); | |
652 | #endif /* CONFIG_IEEE80211W */ | |
653 | STR(id_str); | |
fbdcfd57 JM |
654 | #ifdef CONFIG_P2P |
655 | write_p2p_client_list(f, ssid); | |
656 | #endif /* CONFIG_P2P */ | |
6fc6879b JM |
657 | |
658 | #undef STR | |
659 | #undef INT | |
660 | #undef INT_DEF | |
661 | } | |
662 | ||
663 | ||
f2c20751 JM |
664 | static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred) |
665 | { | |
1a712d2f JM |
666 | if (cred->priority) |
667 | fprintf(f, "\tpriority=%d\n", cred->priority); | |
d7b01abd JM |
668 | if (cred->pcsc) |
669 | fprintf(f, "\tpcsc=%d\n", cred->pcsc); | |
f2c20751 JM |
670 | if (cred->realm) |
671 | fprintf(f, "\trealm=\"%s\"\n", cred->realm); | |
672 | if (cred->username) | |
673 | fprintf(f, "\tusername=\"%s\"\n", cred->username); | |
674 | if (cred->password) | |
675 | fprintf(f, "\tpassword=\"%s\"\n", cred->password); | |
676 | if (cred->ca_cert) | |
677 | fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert); | |
678 | if (cred->imsi) | |
679 | fprintf(f, "\timsi=\"%s\"\n", cred->imsi); | |
680 | if (cred->milenage) | |
681 | fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage); | |
682 | if (cred->domain) | |
683 | fprintf(f, "\tdomain=\"%s\"\n", cred->domain); | |
684 | } | |
685 | ||
686 | ||
6fc6879b JM |
687 | #ifndef CONFIG_NO_CONFIG_BLOBS |
688 | static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob) | |
689 | { | |
690 | unsigned char *encoded; | |
691 | ||
692 | encoded = base64_encode(blob->data, blob->len, NULL); | |
693 | if (encoded == NULL) | |
694 | return -1; | |
695 | ||
696 | fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded); | |
697 | os_free(encoded); | |
698 | return 0; | |
699 | } | |
700 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
701 | ||
702 | ||
3f2c8ba6 JM |
703 | static void write_global_bin(FILE *f, const char *field, |
704 | const struct wpabuf *val) | |
705 | { | |
706 | size_t i; | |
707 | const u8 *pos; | |
708 | ||
709 | if (val == NULL) | |
710 | return; | |
711 | ||
712 | fprintf(f, "%s=", field); | |
713 | pos = wpabuf_head(val); | |
714 | for (i = 0; i < wpabuf_len(val); i++) | |
715 | fprintf(f, "%02X", *pos++); | |
716 | fprintf(f, "\n"); | |
717 | } | |
718 | ||
719 | ||
6fc6879b JM |
720 | static void wpa_config_write_global(FILE *f, struct wpa_config *config) |
721 | { | |
722 | #ifdef CONFIG_CTRL_IFACE | |
723 | if (config->ctrl_interface) | |
724 | fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface); | |
725 | if (config->ctrl_interface_group) | |
726 | fprintf(f, "ctrl_interface_group=%s\n", | |
727 | config->ctrl_interface_group); | |
728 | #endif /* CONFIG_CTRL_IFACE */ | |
729 | if (config->eapol_version != DEFAULT_EAPOL_VERSION) | |
730 | fprintf(f, "eapol_version=%d\n", config->eapol_version); | |
731 | if (config->ap_scan != DEFAULT_AP_SCAN) | |
732 | fprintf(f, "ap_scan=%d\n", config->ap_scan); | |
54ddd743 JM |
733 | if (config->disable_scan_offload) |
734 | fprintf(f, "disable_scan_offload=%d\n", | |
735 | config->disable_scan_offload); | |
6fc6879b JM |
736 | if (config->fast_reauth != DEFAULT_FAST_REAUTH) |
737 | fprintf(f, "fast_reauth=%d\n", config->fast_reauth); | |
6fc6879b JM |
738 | if (config->opensc_engine_path) |
739 | fprintf(f, "opensc_engine_path=%s\n", | |
740 | config->opensc_engine_path); | |
741 | if (config->pkcs11_engine_path) | |
742 | fprintf(f, "pkcs11_engine_path=%s\n", | |
743 | config->pkcs11_engine_path); | |
744 | if (config->pkcs11_module_path) | |
745 | fprintf(f, "pkcs11_module_path=%s\n", | |
746 | config->pkcs11_module_path); | |
f64adcd7 JM |
747 | if (config->pcsc_reader) |
748 | fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader); | |
749 | if (config->pcsc_pin) | |
750 | fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin); | |
6fc6879b JM |
751 | if (config->driver_param) |
752 | fprintf(f, "driver_param=%s\n", config->driver_param); | |
753 | if (config->dot11RSNAConfigPMKLifetime) | |
754 | fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n", | |
755 | config->dot11RSNAConfigPMKLifetime); | |
756 | if (config->dot11RSNAConfigPMKReauthThreshold) | |
757 | fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n", | |
758 | config->dot11RSNAConfigPMKReauthThreshold); | |
759 | if (config->dot11RSNAConfigSATimeout) | |
760 | fprintf(f, "dot11RSNAConfigSATimeout=%d\n", | |
761 | config->dot11RSNAConfigSATimeout); | |
762 | if (config->update_config) | |
763 | fprintf(f, "update_config=%d\n", config->update_config); | |
f855f923 | 764 | #ifdef CONFIG_WPS |
9be09636 | 765 | if (!is_nil_uuid(config->uuid)) { |
f855f923 JM |
766 | char buf[40]; |
767 | uuid_bin2str(config->uuid, buf, sizeof(buf)); | |
768 | fprintf(f, "uuid=%s\n", buf); | |
769 | } | |
3c0b7aa4 JM |
770 | if (config->device_name) |
771 | fprintf(f, "device_name=%s\n", config->device_name); | |
772 | if (config->manufacturer) | |
773 | fprintf(f, "manufacturer=%s\n", config->manufacturer); | |
774 | if (config->model_name) | |
775 | fprintf(f, "model_name=%s\n", config->model_name); | |
776 | if (config->model_number) | |
777 | fprintf(f, "model_number=%s\n", config->model_number); | |
778 | if (config->serial_number) | |
779 | fprintf(f, "serial_number=%s\n", config->serial_number); | |
2f646b6e JB |
780 | { |
781 | char _buf[WPS_DEV_TYPE_BUFSIZE], *buf; | |
782 | buf = wps_dev_type_bin2str(config->device_type, | |
783 | _buf, sizeof(_buf)); | |
a769b094 JM |
784 | if (os_strcmp(buf, "0-00000000-0") != 0) |
785 | fprintf(f, "device_type=%s\n", buf); | |
2f646b6e | 786 | } |
9be09636 | 787 | if (WPA_GET_BE32(config->os_version)) |
3c0b7aa4 JM |
788 | fprintf(f, "os_version=%08x\n", |
789 | WPA_GET_BE32(config->os_version)); | |
c0e4dd9e JM |
790 | if (config->config_methods) |
791 | fprintf(f, "config_methods=%s\n", config->config_methods); | |
47662164 JM |
792 | if (config->wps_cred_processing) |
793 | fprintf(f, "wps_cred_processing=%d\n", | |
794 | config->wps_cred_processing); | |
71dd3b78 AS |
795 | if (config->wps_vendor_ext_m1) { |
796 | int i, len = wpabuf_len(config->wps_vendor_ext_m1); | |
797 | const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1); | |
798 | if (len > 0) { | |
799 | fprintf(f, "wps_vendor_ext_m1="); | |
800 | for (i = 0; i < len; i++) | |
801 | fprintf(f, "%02x", *p++); | |
802 | fprintf(f, "\n"); | |
803 | } | |
804 | } | |
f855f923 | 805 | #endif /* CONFIG_WPS */ |
e3768e7c JM |
806 | #ifdef CONFIG_P2P |
807 | if (config->p2p_listen_reg_class) | |
808 | fprintf(f, "p2p_listen_reg_class=%u\n", | |
809 | config->p2p_listen_reg_class); | |
810 | if (config->p2p_listen_channel) | |
811 | fprintf(f, "p2p_listen_channel=%u\n", | |
812 | config->p2p_listen_channel); | |
813 | if (config->p2p_oper_reg_class) | |
814 | fprintf(f, "p2p_oper_reg_class=%u\n", | |
815 | config->p2p_oper_reg_class); | |
816 | if (config->p2p_oper_channel) | |
817 | fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel); | |
818 | if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT) | |
819 | fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent); | |
820 | if (config->p2p_ssid_postfix) | |
821 | fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix); | |
822 | if (config->persistent_reconnect) | |
823 | fprintf(f, "persistent_reconnect=%u\n", | |
824 | config->persistent_reconnect); | |
0f66abd2 SS |
825 | if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS) |
826 | fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss); | |
3071e181 JM |
827 | if (config->p2p_group_idle) |
828 | fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle); | |
21d996f7 JM |
829 | if (config->p2p_pref_chan) { |
830 | unsigned int i; | |
831 | fprintf(f, "p2p_pref_chan="); | |
832 | for (i = 0; i < config->num_p2p_pref_chan; i++) { | |
833 | fprintf(f, "%s%u:%u", i > 0 ? "," : "", | |
834 | config->p2p_pref_chan[i].op_class, | |
835 | config->p2p_pref_chan[i].chan); | |
836 | } | |
837 | fprintf(f, "\n"); | |
838 | } | |
e3768e7c | 839 | #endif /* CONFIG_P2P */ |
315ce40a | 840 | if (config->country[0] && config->country[1]) { |
6d158490 | 841 | fprintf(f, "country=%c%c\n", |
315ce40a | 842 | config->country[0], config->country[1]); |
6d158490 | 843 | } |
c9c38b09 JM |
844 | if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT) |
845 | fprintf(f, "bss_max_count=%u\n", config->bss_max_count); | |
78633c37 SL |
846 | if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE) |
847 | fprintf(f, "bss_expiration_age=%u\n", | |
848 | config->bss_expiration_age); | |
849 | if (config->bss_expiration_scan_count != | |
850 | DEFAULT_BSS_EXPIRATION_SCAN_COUNT) | |
851 | fprintf(f, "bss_expiration_scan_count=%u\n", | |
852 | config->bss_expiration_scan_count); | |
3812464c JM |
853 | if (config->filter_ssids) |
854 | fprintf(f, "filter_ssids=%d\n", config->filter_ssids); | |
dae608d5 JM |
855 | if (config->max_num_sta != DEFAULT_MAX_NUM_STA) |
856 | fprintf(f, "max_num_sta=%u\n", config->max_num_sta); | |
0d7e5a3a JB |
857 | if (config->disassoc_low_ack) |
858 | fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack); | |
66aadbd7 JK |
859 | #ifdef CONFIG_HS20 |
860 | if (config->hs20) | |
861 | fprintf(f, "hs20=1\n"); | |
862 | #endif /* CONFIG_HS20 */ | |
67e1b984 | 863 | #ifdef CONFIG_INTERWORKING |
46ee0427 JM |
864 | if (config->interworking) |
865 | fprintf(f, "interworking=%u\n", config->interworking); | |
866 | if (!is_zero_ether_addr(config->hessid)) | |
867 | fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid)); | |
11540c0b JM |
868 | if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE) |
869 | fprintf(f, "access_network_type=%d\n", | |
870 | config->access_network_type); | |
67e1b984 | 871 | #endif /* CONFIG_INTERWORKING */ |
1298c145 WJL |
872 | if (config->pbc_in_m1) |
873 | fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1); | |
3f2c8ba6 JM |
874 | if (config->wps_nfc_dev_pw_id) |
875 | fprintf(f, "wps_nfc_dev_pw_id=%d\n", | |
876 | config->wps_nfc_dev_pw_id); | |
877 | write_global_bin(f, "wps_nfc_dh_pubkey", config->wps_nfc_dh_pubkey); | |
878 | write_global_bin(f, "wps_nfc_dh_privkey", config->wps_nfc_dh_privkey); | |
879 | write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw); | |
306ae225 JM |
880 | |
881 | if (config->ext_password_backend) | |
882 | fprintf(f, "ext_password_backend=%s\n", | |
883 | config->ext_password_backend); | |
6fc6879b JM |
884 | } |
885 | ||
886 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
887 | ||
888 | ||
889 | int wpa_config_write(const char *name, struct wpa_config *config) | |
890 | { | |
891 | #ifndef CONFIG_NO_CONFIG_WRITE | |
892 | FILE *f; | |
893 | struct wpa_ssid *ssid; | |
f2c20751 | 894 | struct wpa_cred *cred; |
6fc6879b JM |
895 | #ifndef CONFIG_NO_CONFIG_BLOBS |
896 | struct wpa_config_blob *blob; | |
897 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
898 | int ret = 0; | |
899 | ||
900 | wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); | |
901 | ||
902 | f = fopen(name, "w"); | |
903 | if (f == NULL) { | |
904 | wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name); | |
905 | return -1; | |
906 | } | |
907 | ||
908 | wpa_config_write_global(f, config); | |
909 | ||
f2c20751 JM |
910 | for (cred = config->cred; cred; cred = cred->next) { |
911 | fprintf(f, "\ncred={\n"); | |
912 | wpa_config_write_cred(f, cred); | |
913 | fprintf(f, "}\n"); | |
914 | } | |
915 | ||
6fc6879b | 916 | for (ssid = config->ssid; ssid; ssid = ssid->next) { |
2ff99b3c JM |
917 | if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary) |
918 | continue; /* do not save temporary networks */ | |
8e8280bd JM |
919 | if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && |
920 | !ssid->passphrase) | |
921 | continue; /* do not save invalid network */ | |
6fc6879b JM |
922 | fprintf(f, "\nnetwork={\n"); |
923 | wpa_config_write_network(f, ssid); | |
924 | fprintf(f, "}\n"); | |
925 | } | |
926 | ||
927 | #ifndef CONFIG_NO_CONFIG_BLOBS | |
928 | for (blob = config->blobs; blob; blob = blob->next) { | |
929 | ret = wpa_config_write_blob(f, blob); | |
930 | if (ret) | |
931 | break; | |
932 | } | |
933 | #endif /* CONFIG_NO_CONFIG_BLOBS */ | |
934 | ||
935 | fclose(f); | |
936 | ||
937 | wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully", | |
938 | name, ret ? "un" : ""); | |
939 | return ret; | |
940 | #else /* CONFIG_NO_CONFIG_WRITE */ | |
941 | return -1; | |
942 | #endif /* CONFIG_NO_CONFIG_WRITE */ | |
943 | } |