]> git.ipfire.org Git - thirdparty/hostap.git/blame - wpa_supplicant/config_file.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nl80211: Add driver capability for GTK_NOT_USED
[thirdparty/hostap.git] / wpa_supplicant / config_file.c
CommitLineData
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"
9aae09f1
JM		 20#include "eap_peer/eap_methods.h"
21#include "eap_peer/eap.h"
6fc6879b
JM		 22
23
d42bc5e1
JM		 24static int newline_terminated(const char *buf, size_t buflen)
25{
26 size_t len = os_strlen(buf);
27 if (len == 0)
28 return 0;
29 if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
30 buf[len - 1] != '\n')
31 return 0;
32 return 1;
33}
34
35
36static void skip_line_end(FILE *stream)
37{
38 char buf[100];
39 while (fgets(buf, sizeof(buf), stream)) {
40 buf[sizeof(buf) - 1] = '\0';
41 if (newline_terminated(buf, sizeof(buf)))
42 return;
43 }
44}
45
46
6fc6879b
JM		 47/**
48 * wpa_config_get_line - Read the next configuration file line
49 * @s: Buffer for the line
50 * @size: The buffer length
51 * @stream: File stream to read from
52 * @line: Pointer to a variable storing the file line number
53 * @_pos: Buffer for the pointer to the beginning of data on the text line or
54 * %NULL if not needed (returned value used instead)
55 * Returns: Pointer to the beginning of data on the text line or %NULL if no
56 * more text lines are available.
57 *
58 * This function reads the next non-empty line from the configuration file and
59 * removes comments. The returned string is guaranteed to be null-terminated.
60 */
61static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
62 char **_pos)
63{
64 char *pos, *end, *sstart;
65
66 while (fgets(s, size, stream)) {
67 (*line)++;
68 s[size - 1] = '\0';
d42bc5e1
JM		 69 if (!newline_terminated(s, size)) {
70 /*
71 * The line was truncated - skip rest of it to avoid
72 * confusing error messages.
73 */
74 wpa_printf(MSG_INFO, "Long line in configuration file "
75 "truncated");
76 skip_line_end(stream);
77 }
6fc6879b
JM		 78 pos = s;
79
80 /* Skip white space from the beginning of line. */
81 while (*pos == ' ' || *pos == '\t' || *pos == '\r')
82 pos++;
83
84 /* Skip comment lines and empty lines */
85 if (*pos == '#' || *pos == '\n' || *pos == '\0')
86 continue;
87
88 /*
89 * Remove # comments unless they are within a double quoted
90 * string.
91 */
92 sstart = os_strchr(pos, '"');
93 if (sstart)
94 sstart = os_strrchr(sstart + 1, '"');
95 if (!sstart)
96 sstart = pos;
97 end = os_strchr(sstart, '#');
98 if (end)
99 *end-- = '\0';
100 else
101 end = pos + os_strlen(pos) - 1;
102
103 /* Remove trailing white space. */
104 while (end > pos &&
105 (*end == '\n' || *end == ' ' || *end == '\t' ||
106 *end == '\r'))
107 *end-- = '\0';
108
109 if (*pos == '\0')
110 continue;
111
112 if (_pos)
113 *_pos = pos;
114 return pos;
115 }
116
117 if (_pos)
118 *_pos = NULL;
119 return NULL;
120}
121
122
123static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
124{
125 int errors = 0;
126
127 if (ssid->passphrase) {
128 if (ssid->psk_set) {
129 wpa_printf(MSG_ERROR, "Line %d: both PSK and "
130 "passphrase configured.", line);
131 errors++;
132 }
133 wpa_config_update_psk(ssid);
134 }
135
6fc6879b
JM		 136 if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
137 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
138 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
139 /* Group cipher cannot be stronger than the pairwise cipher. */
140 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
141 " list since it was not allowed for pairwise "
142 "cipher", line);
143 ssid->group_cipher &= ~WPA_CIPHER_CCMP;
144 }
145
146 return errors;
147}
148
149
150static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
151{
152 struct wpa_ssid *ssid;
153 int errors = 0, end = 0;
d42bc5e1 154 char buf[2000], *pos, *pos2;
6fc6879b
JM		 155
156 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
157 *line);
158 ssid = os_zalloc(sizeof(*ssid));
159 if (ssid == NULL)
160 return NULL;
01a57fe4 161 dl_list_init(&ssid->psk_list);
6fc6879b
JM		 162 ssid->id = id;
163
164 wpa_config_set_network_defaults(ssid);
165
166 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
167 if (os_strcmp(pos, "}") == 0) {
168 end = 1;
169 break;
170 }
171
172 pos2 = os_strchr(pos, '=');
173 if (pos2 == NULL) {
174 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
175 "'%s'.", *line, pos);
176 errors++;
177 continue;
178 }
179
180 *pos2++ = '\0';
181 if (*pos2 == '"') {
182 if (os_strchr(pos2 + 1, '"') == NULL) {
183 wpa_printf(MSG_ERROR, "Line %d: invalid "
184 "quotation '%s'.", *line, pos2);
185 errors++;
186 continue;
187 }
188 }
189
190 if (wpa_config_set(ssid, pos, pos2, *line) < 0)
191 errors++;
192 }
193
194 if (!end) {
195 wpa_printf(MSG_ERROR, "Line %d: network block was not "
196 "terminated properly.", *line);
197 errors++;
198 }
199
200 errors += wpa_config_validate_network(ssid, *line);
201
202 if (errors) {
203 wpa_config_free_ssid(ssid);
204 ssid = NULL;
205 }
206
207 return ssid;
208}
209
210
1bb7b8e8
JM		 211static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
212{
213 struct wpa_cred *cred;
214 int errors = 0, end = 0;
215 char buf[256], *pos, *pos2;
216
217 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
218 cred = os_zalloc(sizeof(*cred));
219 if (cred == NULL)
220 return NULL;
221 cred->id = id;
222
223 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
224 if (os_strcmp(pos, "}") == 0) {
225 end = 1;
226 break;
227 }
228
229 pos2 = os_strchr(pos, '=');
230 if (pos2 == NULL) {
231 wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
232 "'%s'.", *line, pos);
233 errors++;
234 continue;
235 }
236
237 *pos2++ = '\0';
238 if (*pos2 == '"') {
239 if (os_strchr(pos2 + 1, '"') == NULL) {
240 wpa_printf(MSG_ERROR, "Line %d: invalid "
241 "quotation '%s'.", *line, pos2);
242 errors++;
243 continue;
244 }
245 }
246
247 if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
248 errors++;
249 }
250
251 if (!end) {
252 wpa_printf(MSG_ERROR, "Line %d: cred block was not "
253 "terminated properly.", *line);
254 errors++;
255 }
256
257 if (errors) {
258 wpa_config_free_cred(cred);
259 cred = NULL;
260 }
261
262 return cred;
263}
264
265
6fc6879b
JM		 266#ifndef CONFIG_NO_CONFIG_BLOBS
267static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
268 const char *name)
269{
270 struct wpa_config_blob *blob;
271 char buf[256], *pos;
272 unsigned char *encoded = NULL, *nencoded;
273 int end = 0;
274 size_t encoded_len = 0, len;
275
276 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
277 *line, name);
278
279 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
280 if (os_strcmp(pos, "}") == 0) {
281 end = 1;
282 break;
283 }
284
285 len = os_strlen(pos);
286 nencoded = os_realloc(encoded, encoded_len + len);
287 if (nencoded == NULL) {
288 wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
289 "blob", *line);
290 os_free(encoded);
291 return NULL;
292 }
293 encoded = nencoded;
294 os_memcpy(encoded + encoded_len, pos, len);
295 encoded_len += len;
296 }
297
298 if (!end) {
299 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
300 "properly", *line);
301 os_free(encoded);
302 return NULL;
303 }
304
305 blob = os_zalloc(sizeof(*blob));
306 if (blob == NULL) {
307 os_free(encoded);
308 return NULL;
309 }
310 blob->name = os_strdup(name);
311 blob->data = base64_decode(encoded, encoded_len, &blob->len);
312 os_free(encoded);
313
314 if (blob->name == NULL || blob->data == NULL) {
315 wpa_config_free_blob(blob);
316 return NULL;
317 }
318
319 return blob;
320}
321
322
323static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
324 int *line, char *bname)
325{
326 char *name_end;
327 struct wpa_config_blob *blob;
328
329 name_end = os_strchr(bname, '=');
330 if (name_end == NULL) {
331 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
332 *line);
333 return -1;
334 }
335 *name_end = '\0';
336
337 blob = wpa_config_read_blob(f, line, bname);
338 if (blob == NULL) {
339 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
340 *line, bname);
341 return -1;
342 }
343 wpa_config_set_blob(config, blob);
344 return 0;
345}
346#endif /* CONFIG_NO_CONFIG_BLOBS */
347
348
e6304cad 349struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp)
6fc6879b
JM		 350{
351 FILE *f;
3f2c8ba6 352 char buf[512], *pos;
6fc6879b
JM		 353 int errors = 0, line = 0;
354 struct wpa_ssid *ssid, *tail = NULL, *head = NULL;
1bb7b8e8 355 struct wpa_cred *cred, *cred_tail = NULL, *cred_head = NULL;
6fc6879b
JM		 356 struct wpa_config *config;
357 int id = 0;
1bb7b8e8 358 int cred_id = 0;
6fc6879b 359
e6304cad
DS		 360 if (name == NULL)
361 return NULL;
362 if (cfgp)
363 config = cfgp;
364 else
365 config = wpa_config_alloc_empty(NULL, NULL);
481cac21
BG		 366 if (config == NULL) {
367 wpa_printf(MSG_ERROR, "Failed to allocate config file "
368 "structure");
6fc6879b 369 return NULL;
481cac21 370 }
e6304cad
DS		 371 head = config->ssid;
372 cred_head = config->cred;
481cac21 373
6fc6879b
JM		 374 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
375 f = fopen(name, "r");
376 if (f == NULL) {
481cac21
BG		 377 wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
378 "error: %s", name, strerror(errno));
6fc6879b
JM		 379 os_free(config);
380 return NULL;
381 }
382
383 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
384 if (os_strcmp(pos, "network={") == 0) {
385 ssid = wpa_config_read_network(f, &line, id++);
386 if (ssid == NULL) {
387 wpa_printf(MSG_ERROR, "Line %d: failed to "
388 "parse network block.", line);
389 errors++;
390 continue;
391 }
392 if (head == NULL) {
393 head = tail = ssid;
394 } else {
395 tail->next = ssid;
396 tail = ssid;
397 }
398 if (wpa_config_add_prio_network(config, ssid)) {
399 wpa_printf(MSG_ERROR, "Line %d: failed to add "
400 "network block to priority list.",
401 line);
402 errors++;
403 continue;
404 }
1bb7b8e8
JM		 405 } else if (os_strcmp(pos, "cred={") == 0) {
406 cred = wpa_config_read_cred(f, &line, cred_id++);
407 if (cred == NULL) {
408 wpa_printf(MSG_ERROR, "Line %d: failed to "
409 "parse cred block.", line);
410 errors++;
411 continue;
412 }
413 if (cred_head == NULL) {
414 cred_head = cred_tail = cred;
415 } else {
416 cred_tail->next = cred;
417 cred_tail = cred;
418 }
6fc6879b
JM		 419#ifndef CONFIG_NO_CONFIG_BLOBS
420 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
421 if (wpa_config_process_blob(config, f, &line, pos + 12)
422 < 0) {
481cac21
BG		 423 wpa_printf(MSG_ERROR, "Line %d: failed to "
424 "process blob.", line);
6fc6879b
JM		 425 errors++;
426 continue;
427 }
428#endif /* CONFIG_NO_CONFIG_BLOBS */
429 } else if (wpa_config_process_global(config, pos, line) < 0) {
430 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
431 "line '%s'.", line, pos);
432 errors++;
433 continue;
434 }
435 }
436
437 fclose(f);
438
439 config->ssid = head;
440 wpa_config_debug_dump_networks(config);
1bb7b8e8 441 config->cred = cred_head;
6fc6879b 442
ae6e1bee 443#ifndef WPA_IGNORE_CONFIG_ERRORS
6fc6879b
JM		 444 if (errors) {
445 wpa_config_free(config);
446 config = NULL;
447 head = NULL;
448 }
ae6e1bee 449#endif /* WPA_IGNORE_CONFIG_ERRORS */
6fc6879b
JM		 450
451 return config;
452}
453
454
455#ifndef CONFIG_NO_CONFIG_WRITE
456
457static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
458{
459 char *value = wpa_config_get(ssid, field);
460 if (value == NULL)
461 return;
462 fprintf(f, "\t%s=%s\n", field, value);
463 os_free(value);
464}
465
466
467static void write_int(FILE *f, const char *field, int value, int def)
468{
469 if (value == def)
470 return;
471 fprintf(f, "\t%s=%d\n", field, value);
472}
473
474
475static void write_bssid(FILE *f, struct wpa_ssid *ssid)
476{
477 char *value = wpa_config_get(ssid, "bssid");
478 if (value == NULL)
479 return;
480 fprintf(f, "\tbssid=%s\n", value);
481 os_free(value);
482}
483
484
485static void write_psk(FILE *f, struct wpa_ssid *ssid)
486{
487 char *value = wpa_config_get(ssid, "psk");
488 if (value == NULL)
489 return;
490 fprintf(f, "\tpsk=%s\n", value);
491 os_free(value);
492}
493
494
495static void write_proto(FILE *f, struct wpa_ssid *ssid)
496{
497 char *value;
498
499 if (ssid->proto == DEFAULT_PROTO)
500 return;
501
502 value = wpa_config_get(ssid, "proto");
503 if (value == NULL)
504 return;
505 if (value[0])
506 fprintf(f, "\tproto=%s\n", value);
507 os_free(value);
508}
509
510
511static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
512{
513 char *value;
514
515 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
516 return;
517
518 value = wpa_config_get(ssid, "key_mgmt");
519 if (value == NULL)
520 return;
521 if (value[0])
522 fprintf(f, "\tkey_mgmt=%s\n", value);
523 os_free(value);
524}
525
526
527static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
528{
529 char *value;
530
531 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
532 return;
533
534 value = wpa_config_get(ssid, "pairwise");
535 if (value == NULL)
536 return;
537 if (value[0])
538 fprintf(f, "\tpairwise=%s\n", value);
539 os_free(value);
540}
541
542
543static void write_group(FILE *f, struct wpa_ssid *ssid)
544{
545 char *value;
546
547 if (ssid->group_cipher == DEFAULT_GROUP)
548 return;
549
550 value = wpa_config_get(ssid, "group");
551 if (value == NULL)
552 return;
553 if (value[0])
554 fprintf(f, "\tgroup=%s\n", value);
555 os_free(value);
556}
557
558
559static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
560{
561 char *value;
562
563 if (ssid->auth_alg == 0)
564 return;
565
566 value = wpa_config_get(ssid, "auth_alg");
567 if (value == NULL)
568 return;
569 if (value[0])
570 fprintf(f, "\tauth_alg=%s\n", value);
571 os_free(value);
572}
573
574
575#ifdef IEEE8021X_EAPOL
576static void write_eap(FILE *f, struct wpa_ssid *ssid)
577{
578 char *value;
579
580 value = wpa_config_get(ssid, "eap");
581 if (value == NULL)
582 return;
583
584 if (value[0])
585 fprintf(f, "\teap=%s\n", value);
586 os_free(value);
587}
588#endif /* IEEE8021X_EAPOL */
589
590
591static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
592{
593 char field[20], *value;
594 int res;
595
596 res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
597 if (res < 0 || (size_t) res >= sizeof(field))
598 return;
599 value = wpa_config_get(ssid, field);
600 if (value) {
601 fprintf(f, "\t%s=%s\n", field, value);
602 os_free(value);
603 }
604}
605
606
fbdcfd57 607#ifdef CONFIG_P2P
01a57fe4 608
9ec87666
JM		 609static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
610{
611 char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
612 if (value == NULL)
613 return;
614 fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
615 os_free(value);
616}
617
fbdcfd57
JM		 618static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
619{
620 char *value = wpa_config_get(ssid, "p2p_client_list");
621 if (value == NULL)
622 return;
623 fprintf(f, "\tp2p_client_list=%s\n", value);
624 os_free(value);
625}
01a57fe4
JM		 626
627
628static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
629{
630 struct psk_list_entry *psk;
631 char hex[32 * 2 + 1];
632
633 dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
634 wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
635 fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
636 psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
637 }
638}
639
fbdcfd57
JM		 640#endif /* CONFIG_P2P */
641
642
6fc6879b
JM		 643static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
644{
645 int i;
646
647#define STR(t) write_str(f, #t, ssid)
648#define INT(t) write_int(f, #t, ssid->t, 0)
649#define INTe(t) write_int(f, #t, ssid->eap.t, 0)
650#define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
651#define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
652
653 STR(ssid);
654 INT(scan_ssid);
655 write_bssid(f, ssid);
656 write_psk(f, ssid);
657 write_proto(f, ssid);
658 write_key_mgmt(f, ssid);
4f920dc6 659 INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
6fc6879b
JM		 660 write_pairwise(f, ssid);
661 write_group(f, ssid);
662 write_auth_alg(f, ssid);
af548f53 663 STR(bgscan);
1aea2ca3 664 STR(autoscan);
1a9f2471 665 STR(scan_freq);
6fc6879b
JM		 666#ifdef IEEE8021X_EAPOL
667 write_eap(f, ssid);
668 STR(identity);
669 STR(anonymous_identity);
670 STR(password);
671 STR(ca_cert);
672 STR(ca_path);
673 STR(client_cert);
674 STR(private_key);
675 STR(private_key_passwd);
676 STR(dh_file);
677 STR(subject_match);
678 STR(altsubject_match);
01f809c7 679 STR(domain_suffix_match);
6fc6879b
JM		 680 STR(ca_cert2);
681 STR(ca_path2);
682 STR(client_cert2);
683 STR(private_key2);
684 STR(private_key2_passwd);
685 STR(dh_file2);
686 STR(subject_match2);
687 STR(altsubject_match2);
01f809c7 688 STR(domain_suffix_match2);
6fc6879b
JM		 689 STR(phase1);
690 STR(phase2);
691 STR(pcsc);
692 STR(pin);
693 STR(engine_id);
694 STR(key_id);
61ee0f71
DS		 695 STR(cert_id);
696 STR(ca_cert_id);
697 STR(key2_id);
98842d51
CL		 698 STR(pin2);
699 STR(engine2_id);
61ee0f71
DS		 700 STR(cert2_id);
701 STR(ca_cert2_id);
6fc6879b 702 INTe(engine);
98842d51 703 INTe(engine2);
6fc6879b
JM		 704 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
705#endif /* IEEE8021X_EAPOL */
706 for (i = 0; i < 4; i++)
707 write_wep_key(f, i, ssid);
708 INT(wep_tx_keyidx);
709 INT(priority);
710#ifdef IEEE8021X_EAPOL
711 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
712 STR(pac_file);
713 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
714#endif /* IEEE8021X_EAPOL */
715 INT(mode);
bca06366 716 INT(frequency);
6e202021 717 write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
6fc6879b
JM		 718 INT(disabled);
719 INT(peerkey);
720#ifdef CONFIG_IEEE80211W
62d49803
JM		 721 write_int(f, "ieee80211w", ssid->ieee80211w,
722 MGMT_FRAME_PROTECTION_DEFAULT);
6fc6879b
JM		 723#endif /* CONFIG_IEEE80211W */
724 STR(id_str);
fbdcfd57 725#ifdef CONFIG_P2P
9ec87666 726 write_go_p2p_dev_addr(f, ssid);
fbdcfd57 727 write_p2p_client_list(f, ssid);
01a57fe4 728 write_psk_list(f, ssid);
fbdcfd57 729#endif /* CONFIG_P2P */
18206e02
JM		 730 INT(dtim_period);
731 INT(beacon_int);
6fc6879b
JM		 732
733#undef STR
734#undef INT
735#undef INT_DEF
736}
737
738
f2c20751
JM		 739static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
740{
463c8ffb
JM		 741 size_t i;
742
1a712d2f
JM		 743 if (cred->priority)
744 fprintf(f, "\tpriority=%d\n", cred->priority);
d7b01abd
JM		 745 if (cred->pcsc)
746 fprintf(f, "\tpcsc=%d\n", cred->pcsc);
f2c20751
JM		 747 if (cred->realm)
748 fprintf(f, "\trealm=\"%s\"\n", cred->realm);
749 if (cred->username)
750 fprintf(f, "\tusername=\"%s\"\n", cred->username);
9aae09f1
JM		 751 if (cred->password && cred->ext_password)
752 fprintf(f, "\tpassword=ext:%s\n", cred->password);
753 else if (cred->password)
f2c20751
JM		 754 fprintf(f, "\tpassword=\"%s\"\n", cred->password);
755 if (cred->ca_cert)
756 fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
9aae09f1
JM		 757 if (cred->client_cert)
758 fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
759 if (cred->private_key)
760 fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
761 if (cred->private_key_passwd)
762 fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
763 cred->private_key_passwd);
f2c20751
JM		 764 if (cred->imsi)
765 fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
766 if (cred->milenage)
767 fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
463c8ffb
JM		 768 for (i = 0; i < cred->num_domain; i++)
769 fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
ac1bc549
JM		 770 if (cred->domain_suffix_match)
771 fprintf(f, "\tdomain_suffix_match=\"%s\"",
772 cred->domain_suffix_match);
9aae09f1 773 if (cred->roaming_consortium_len) {
9aae09f1
JM		 774 fprintf(f, "\troaming_consortium=");
775 for (i = 0; i < cred->roaming_consortium_len; i++)
776 fprintf(f, "%02x", cred->roaming_consortium[i]);
777 fprintf(f, "\n");
778 }
779 if (cred->eap_method) {
780 const char *name;
781 name = eap_get_name(cred->eap_method[0].vendor,
782 cred->eap_method[0].method);
783 fprintf(f, "\teap=%s\n", name);
784 }
785 if (cred->phase1)
786 fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
787 if (cred->phase2)
788 fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
dbea8ac7 789 if (cred->excluded_ssid) {
463c8ffb 790 size_t j;
dbea8ac7
JM		 791 for (i = 0; i < cred->num_excluded_ssid; i++) {
792 struct excluded_ssid *e = &cred->excluded_ssid[i];
793 fprintf(f, "\texcluded_ssid=");
794 for (j = 0; j < e->ssid_len; j++)
795 fprintf(f, "%02x", e->ssid[j]);
796 fprintf(f, "\n");
797 }
798 }
f2c20751
JM		 799}
800
801
6fc6879b
JM		 802#ifndef CONFIG_NO_CONFIG_BLOBS
803static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
804{
805 unsigned char *encoded;
806
807 encoded = base64_encode(blob->data, blob->len, NULL);
808 if (encoded == NULL)
809 return -1;
810
811 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
812 os_free(encoded);
813 return 0;
814}
815#endif /* CONFIG_NO_CONFIG_BLOBS */
816
817
3f2c8ba6
JM		 818static void write_global_bin(FILE *f, const char *field,
819 const struct wpabuf *val)
820{
821 size_t i;
822 const u8 *pos;
823
824 if (val == NULL)
825 return;
826
827 fprintf(f, "%s=", field);
828 pos = wpabuf_head(val);
829 for (i = 0; i < wpabuf_len(val); i++)
830 fprintf(f, "%02X", *pos++);
831 fprintf(f, "\n");
832}
833
834
6fc6879b
JM		 835static void wpa_config_write_global(FILE *f, struct wpa_config *config)
836{
837#ifdef CONFIG_CTRL_IFACE
838 if (config->ctrl_interface)
839 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
840 if (config->ctrl_interface_group)
841 fprintf(f, "ctrl_interface_group=%s\n",
842 config->ctrl_interface_group);
843#endif /* CONFIG_CTRL_IFACE */
844 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
845 fprintf(f, "eapol_version=%d\n", config->eapol_version);
846 if (config->ap_scan != DEFAULT_AP_SCAN)
847 fprintf(f, "ap_scan=%d\n", config->ap_scan);
54ddd743
JM		 848 if (config->disable_scan_offload)
849 fprintf(f, "disable_scan_offload=%d\n",
850 config->disable_scan_offload);
6fc6879b
JM		 851 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
852 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
6fc6879b
JM		 853 if (config->opensc_engine_path)
854 fprintf(f, "opensc_engine_path=%s\n",
855 config->opensc_engine_path);
856 if (config->pkcs11_engine_path)
857 fprintf(f, "pkcs11_engine_path=%s\n",
858 config->pkcs11_engine_path);
859 if (config->pkcs11_module_path)
860 fprintf(f, "pkcs11_module_path=%s\n",
861 config->pkcs11_module_path);
f64adcd7
JM		 862 if (config->pcsc_reader)
863 fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
864 if (config->pcsc_pin)
865 fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
6fc6879b
JM		 866 if (config->driver_param)
867 fprintf(f, "driver_param=%s\n", config->driver_param);
868 if (config->dot11RSNAConfigPMKLifetime)
869 fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n",
870 config->dot11RSNAConfigPMKLifetime);
871 if (config->dot11RSNAConfigPMKReauthThreshold)
872 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n",
873 config->dot11RSNAConfigPMKReauthThreshold);
874 if (config->dot11RSNAConfigSATimeout)
875 fprintf(f, "dot11RSNAConfigSATimeout=%d\n",
876 config->dot11RSNAConfigSATimeout);
877 if (config->update_config)
878 fprintf(f, "update_config=%d\n", config->update_config);
f855f923 879#ifdef CONFIG_WPS
9be09636 880 if (!is_nil_uuid(config->uuid)) {
f855f923
JM		 881 char buf[40];
882 uuid_bin2str(config->uuid, buf, sizeof(buf));
883 fprintf(f, "uuid=%s\n", buf);
884 }
3c0b7aa4
JM		 885 if (config->device_name)
886 fprintf(f, "device_name=%s\n", config->device_name);
887 if (config->manufacturer)
888 fprintf(f, "manufacturer=%s\n", config->manufacturer);
889 if (config->model_name)
890 fprintf(f, "model_name=%s\n", config->model_name);
891 if (config->model_number)
892 fprintf(f, "model_number=%s\n", config->model_number);
893 if (config->serial_number)
894 fprintf(f, "serial_number=%s\n", config->serial_number);
2f646b6e
JB		 895 {
896 char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
897 buf = wps_dev_type_bin2str(config->device_type,
898 _buf, sizeof(_buf));
a769b094
JM		 899 if (os_strcmp(buf, "0-00000000-0") != 0)
900 fprintf(f, "device_type=%s\n", buf);
2f646b6e 901 }
9be09636 902 if (WPA_GET_BE32(config->os_version))
3c0b7aa4
JM		 903 fprintf(f, "os_version=%08x\n",
904 WPA_GET_BE32(config->os_version));
c0e4dd9e
JM		 905 if (config->config_methods)
906 fprintf(f, "config_methods=%s\n", config->config_methods);
47662164
JM		 907 if (config->wps_cred_processing)
908 fprintf(f, "wps_cred_processing=%d\n",
909 config->wps_cred_processing);
71dd3b78
AS		 910 if (config->wps_vendor_ext_m1) {
911 int i, len = wpabuf_len(config->wps_vendor_ext_m1);
912 const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
913 if (len > 0) {
914 fprintf(f, "wps_vendor_ext_m1=");
915 for (i = 0; i < len; i++)
916 fprintf(f, "%02x", *p++);
917 fprintf(f, "\n");
918 }
919 }
f855f923 920#endif /* CONFIG_WPS */
e3768e7c
JM		 921#ifdef CONFIG_P2P
922 if (config->p2p_listen_reg_class)
923 fprintf(f, "p2p_listen_reg_class=%u\n",
924 config->p2p_listen_reg_class);
925 if (config->p2p_listen_channel)
926 fprintf(f, "p2p_listen_channel=%u\n",
927 config->p2p_listen_channel);
928 if (config->p2p_oper_reg_class)
929 fprintf(f, "p2p_oper_reg_class=%u\n",
930 config->p2p_oper_reg_class);
931 if (config->p2p_oper_channel)
932 fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel);
933 if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
934 fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent);
935 if (config->p2p_ssid_postfix)
936 fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
937 if (config->persistent_reconnect)
938 fprintf(f, "persistent_reconnect=%u\n",
939 config->persistent_reconnect);
0f66abd2
SS		 940 if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
941 fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss);
3071e181
JM		 942 if (config->p2p_group_idle)
943 fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle);
21d996f7
JM		 944 if (config->p2p_pref_chan) {
945 unsigned int i;
946 fprintf(f, "p2p_pref_chan=");
947 for (i = 0; i < config->num_p2p_pref_chan; i++) {
948 fprintf(f, "%s%u:%u", i > 0 ? "," : "",
949 config->p2p_pref_chan[i].op_class,
950 config->p2p_pref_chan[i].chan);
951 }
952 fprintf(f, "\n");
953 }
556b30da
JM		 954 if (config->p2p_no_go_freq.num) {
955 char *val = freq_range_list_str(&config->p2p_no_go_freq);
956 if (val) {
957 fprintf(f, "p2p_no_go_freq=%s\n", val);
958 os_free(val);
959 }
960 }
51e9f228
JM		 961 if (config->p2p_add_cli_chan)
962 fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
a93a15bb
AN		 963 if (config->p2p_go_ht40)
964 fprintf(f, "p2p_go_ht40=%u\n", config->p2p_go_ht40);
20ea1ca4
EP		 965 if (config->p2p_go_vht)
966 fprintf(f, "p2p_go_vht=%u\n", config->p2p_go_vht);
7a808c7e
JM		 967 if (config->p2p_disabled)
968 fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled);
d76cd41a
JM		 969 if (config->p2p_no_group_iface)
970 fprintf(f, "p2p_no_group_iface=%u\n",
971 config->p2p_no_group_iface);
ef8151ac
JM		 972 if (config->p2p_ignore_shared_freq)
973 fprintf(f, "p2p_ignore_shared_freq=%u\n",
974 config->p2p_ignore_shared_freq);
e3768e7c 975#endif /* CONFIG_P2P */
315ce40a 976 if (config->country[0] && config->country[1]) {
6d158490 977 fprintf(f, "country=%c%c\n",
315ce40a 978 config->country[0], config->country[1]);
6d158490 979 }
c9c38b09
JM		 980 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
981 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
78633c37
SL		 982 if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
983 fprintf(f, "bss_expiration_age=%u\n",
984 config->bss_expiration_age);
985 if (config->bss_expiration_scan_count !=
986 DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
987 fprintf(f, "bss_expiration_scan_count=%u\n",
988 config->bss_expiration_scan_count);
3812464c
JM		 989 if (config->filter_ssids)
990 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
dae608d5
JM		 991 if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
992 fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
0d7e5a3a
JB		 993 if (config->disassoc_low_ack)
994 fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack);
66aadbd7
JK		 995#ifdef CONFIG_HS20
996 if (config->hs20)
997 fprintf(f, "hs20=1\n");
998#endif /* CONFIG_HS20 */
67e1b984 999#ifdef CONFIG_INTERWORKING
46ee0427
JM		 1000 if (config->interworking)
1001 fprintf(f, "interworking=%u\n", config->interworking);
1002 if (!is_zero_ether_addr(config->hessid))
1003 fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
11540c0b
JM		 1004 if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1005 fprintf(f, "access_network_type=%d\n",
1006 config->access_network_type);
67e1b984 1007#endif /* CONFIG_INTERWORKING */
1298c145
WJL		 1008 if (config->pbc_in_m1)
1009 fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1);
042ec551
JM		 1010 if (config->wps_nfc_pw_from_config) {
1011 if (config->wps_nfc_dev_pw_id)
1012 fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1013 config->wps_nfc_dev_pw_id);
1014 write_global_bin(f, "wps_nfc_dh_pubkey",
1015 config->wps_nfc_dh_pubkey);
1016 write_global_bin(f, "wps_nfc_dh_privkey",
1017 config->wps_nfc_dh_privkey);
1018 write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1019 }
306ae225
JM		 1020
1021 if (config->ext_password_backend)
1022 fprintf(f, "ext_password_backend=%s\n",
1023 config->ext_password_backend);
462a7439
ES		 1024 if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1025 fprintf(f, "p2p_go_max_inactivity=%d\n",
1026 config->p2p_go_max_inactivity);
4d5bda5f
JM		 1027 if (config->auto_interworking)
1028 fprintf(f, "auto_interworking=%d\n",
1029 config->auto_interworking);
6e202021
JM		 1030 if (config->okc)
1031 fprintf(f, "okc=%d\n", config->okc);
62d49803
JM		 1032 if (config->pmf)
1033 fprintf(f, "pmf=%d\n", config->pmf);
18206e02
JM		 1034 if (config->dtim_period)
1035 fprintf(f, "dtim_period=%d\n", config->dtim_period);
1036 if (config->beacon_int)
1037 fprintf(f, "beacon_int=%d\n", config->beacon_int);
625f202a
JM		 1038
1039 if (config->sae_groups) {
1040 int i;
1041 fprintf(f, "sae_groups=");
1042 for (i = 0; config->sae_groups[i] >= 0; i++) {
1043 fprintf(f, "%s%d", i > 0 ? " " : "",
1044 config->sae_groups[i]);
1045 }
1046 fprintf(f, "\n");
1047 }
18a2eaab
JM		 1048
1049 if (config->ap_vendor_elements) {
1050 int i, len = wpabuf_len(config->ap_vendor_elements);
1051 const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1052 if (len > 0) {
1053 fprintf(f, "ap_vendor_elements=");
1054 for (i = 0; i < len; i++)
1055 fprintf(f, "%02x", *p++);
1056 fprintf(f, "\n");
1057 }
1058 }
4342326f
JM		 1059
1060 if (config->ignore_old_scan_res)
1061 fprintf(f, "ignore_old_scan_res=%d\n",
1062 config->ignore_old_scan_res);
f5ffc348
BG		 1063
1064 if (config->freq_list && config->freq_list[0]) {
1065 int i;
1066 fprintf(f, "freq_list=");
1067 for (i = 0; config->freq_list[i]; i++) {
1068 fprintf(f, "%s%u", i > 0 ? " " : "",
1069 config->freq_list[i]);
1070 }
1071 fprintf(f, "\n");
1072 }
6124e858
BG		 1073 if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1074 fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
4aa81868
SF		 1075
1076 if (config->sched_scan_interval)
1077 fprintf(f, "sched_scan_interval=%u\n",
1078 config->sched_scan_interval);
a5d44ac0
JM		 1079
1080 if (config->external_sim)
1081 fprintf(f, "external_sim=%d\n", config->external_sim);
800d5872
SD		 1082
1083 if (config->tdls_external_control)
1084 fprintf(f, "tdls_external_control=%d\n",
1085 config->tdls_external_control);
6fc6879b
JM		 1086}
1087
1088#endif /* CONFIG_NO_CONFIG_WRITE */
1089
1090
1091int wpa_config_write(const char *name, struct wpa_config *config)
1092{
1093#ifndef CONFIG_NO_CONFIG_WRITE
1094 FILE *f;
1095 struct wpa_ssid *ssid;
f2c20751 1096 struct wpa_cred *cred;
6fc6879b
JM		 1097#ifndef CONFIG_NO_CONFIG_BLOBS
1098 struct wpa_config_blob *blob;
1099#endif /* CONFIG_NO_CONFIG_BLOBS */
1100 int ret = 0;
1101
1102 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1103
1104 f = fopen(name, "w");
1105 if (f == NULL) {
1106 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1107 return -1;
1108 }
1109
1110 wpa_config_write_global(f, config);
1111
f2c20751 1112 for (cred = config->cred; cred; cred = cred->next) {
03ed3324
JM		 1113 if (cred->temporary)
1114 continue;
f2c20751
JM		 1115 fprintf(f, "\ncred={\n");
1116 wpa_config_write_cred(f, cred);
1117 fprintf(f, "}\n");
1118 }
1119
6fc6879b 1120 for (ssid = config->ssid; ssid; ssid = ssid->next) {
2ff99b3c
JM		 1121 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary)
1122 continue; /* do not save temporary networks */
8e8280bd
JM		 1123 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
1124 !ssid->passphrase)
1125 continue; /* do not save invalid network */
6fc6879b
JM		 1126 fprintf(f, "\nnetwork={\n");
1127 wpa_config_write_network(f, ssid);
1128 fprintf(f, "}\n");
1129 }
1130
1131#ifndef CONFIG_NO_CONFIG_BLOBS
1132 for (blob = config->blobs; blob; blob = blob->next) {
1133 ret = wpa_config_write_blob(f, blob);
1134 if (ret)
1135 break;
1136 }
1137#endif /* CONFIG_NO_CONFIG_BLOBS */
1138
1139 fclose(f);
1140
1141 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1142 name, ret ? "un" : "");
1143 return ret;
1144#else /* CONFIG_NO_CONFIG_WRITE */
1145 return -1;
1146#endif /* CONFIG_NO_CONFIG_WRITE */
1147}
Unnamed repository; edit this file 'description' to name the repository.