1 /*
2  * WPA Supplicant / Configuration backend: text file
3  * Copyright (c) 2003-2019, 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 "common/ieee802_1x_defs.h"
23 #include "p2p/p2p.h"
24 #include "eap_peer/eap_methods.h"
25 #include "eap_peer/eap.h"
26 #include "utils/config.h"
27 
28 
wpa_config_validate_network(struct wpa_ssid * ssid,int line)29 static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
30 {
31 	int errors = 0;
32 
33 	if (ssid->passphrase) {
34 		if (ssid->psk_set) {
35 			wpa_printf(MSG_ERROR, "Line %d: both PSK and "
36 				   "passphrase configured.", line);
37 			errors++;
38 		}
39 		wpa_config_update_psk(ssid);
40 	}
41 
42 	if (ssid->disabled == 2)
43 		ssid->p2p_persistent_group = 1;
44 
45 	if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
46 	    !(ssid->pairwise_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_CCMP_256 |
47 				       WPA_CIPHER_GCMP | WPA_CIPHER_GCMP_256 |
48 				       WPA_CIPHER_NONE))) {
49 		/* Group cipher cannot be stronger than the pairwise cipher. */
50 		wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
51 			   " list since it was not allowed for pairwise "
52 			   "cipher", line);
53 		ssid->group_cipher &= ~WPA_CIPHER_CCMP;
54 	}
55 
56 	if (is_6ghz_freq(ssid->frequency) && ssid->mode == WPAS_MODE_MESH &&
57 	    ssid->key_mgmt == WPA_KEY_MGMT_NONE) {
58 		wpa_printf(MSG_ERROR,
59 			   "Line %d: key_mgmt for mesh network in 6 GHz should be SAE",
60 			   line);
61 		errors++;
62 	}
63 	if (ssid->mode == WPAS_MODE_MESH &&
64 	    (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
65 	    ssid->key_mgmt != WPA_KEY_MGMT_SAE)) {
66 		wpa_printf(MSG_ERROR,
67 			   "Line %d: key_mgmt for mesh network should be open or SAE",
68 			   line);
69 		errors++;
70 	}
71 
72 #ifdef CONFIG_OCV
73 	if (ssid->ocv && ssid->ieee80211w == NO_MGMT_FRAME_PROTECTION) {
74 		wpa_printf(MSG_ERROR,
75 			   "Line %d: PMF needs to be enabled whenever using OCV",
76 			   line);
77 		errors++;
78 	}
79 #endif /* CONFIG_OCV */
80 
81 	return errors;
82 }
83 
84 
wpa_config_read_network(FILE * f,int * line,int id)85 static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
86 {
87 	struct wpa_ssid *ssid;
88 	int errors = 0, end = 0;
89 	char buf[2000], *pos, *pos2;
90 
91 	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
92 		   *line);
93 	ssid = os_zalloc(sizeof(*ssid));
94 	if (ssid == NULL)
95 		return NULL;
96 	dl_list_init(&ssid->psk_list);
97 	ssid->id = id;
98 
99 	wpa_config_set_network_defaults(ssid);
100 
101 	while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
102 		if (os_strcmp(pos, "}") == 0) {
103 			end = 1;
104 			break;
105 		}
106 
107 		pos2 = os_strchr(pos, '=');
108 		if (pos2 == NULL) {
109 			wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
110 				   "'%s'.", *line, pos);
111 			errors++;
112 			continue;
113 		}
114 
115 		*pos2++ = '\0';
116 		if (*pos2 == '"') {
117 			if (os_strchr(pos2 + 1, '"') == NULL) {
118 				wpa_printf(MSG_ERROR, "Line %d: invalid "
119 					   "quotation '%s'.", *line, pos2);
120 				errors++;
121 				continue;
122 			}
123 		}
124 
125 		if (wpa_config_set(ssid, pos, pos2, *line) < 0) {
126 #ifndef CONFIG_WEP
127 			if (os_strcmp(pos, "wep_key0") == 0 ||
128 			    os_strcmp(pos, "wep_key1") == 0 ||
129 			    os_strcmp(pos, "wep_key2") == 0 ||
130 			    os_strcmp(pos, "wep_key3") == 0 ||
131 			    os_strcmp(pos, "wep_tx_keyidx") == 0) {
132 				wpa_printf(MSG_ERROR,
133 					   "Line %d: unsupported WEP parameter",
134 					   *line);
135 				ssid->disabled = 1;
136 				continue;
137 			}
138 #endif /* CONFIG_WEP */
139 			errors++;
140 		}
141 	}
142 
143 	if (!end) {
144 		wpa_printf(MSG_ERROR, "Line %d: network block was not "
145 			   "terminated properly.", *line);
146 		errors++;
147 	}
148 
149 	errors += wpa_config_validate_network(ssid, *line);
150 
151 	if (errors) {
152 		wpa_config_free_ssid(ssid);
153 		ssid = NULL;
154 	}
155 
156 	return ssid;
157 }
158 
159 
wpa_config_read_cred(FILE * f,int * line,int id)160 static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
161 {
162 	struct wpa_cred *cred;
163 	int errors = 0, end = 0;
164 	char buf[256], *pos, *pos2;
165 
166 	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
167 	cred = os_zalloc(sizeof(*cred));
168 	if (cred == NULL)
169 		return NULL;
170 	cred->id = id;
171 	cred->sim_num = DEFAULT_USER_SELECTED_SIM;
172 
173 	while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
174 		if (os_strcmp(pos, "}") == 0) {
175 			end = 1;
176 			break;
177 		}
178 
179 		pos2 = os_strchr(pos, '=');
180 		if (pos2 == NULL) {
181 			wpa_printf(MSG_ERROR, "Line %d: Invalid cred line "
182 				   "'%s'.", *line, pos);
183 			errors++;
184 			continue;
185 		}
186 
187 		*pos2++ = '\0';
188 		if (*pos2 == '"') {
189 			if (os_strchr(pos2 + 1, '"') == NULL) {
190 				wpa_printf(MSG_ERROR, "Line %d: invalid "
191 					   "quotation '%s'.", *line, pos2);
192 				errors++;
193 				continue;
194 			}
195 		}
196 
197 		if (wpa_config_set_cred(cred, pos, pos2, *line) < 0)
198 			errors++;
199 	}
200 
201 	if (!end) {
202 		wpa_printf(MSG_ERROR, "Line %d: cred block was not "
203 			   "terminated properly.", *line);
204 		errors++;
205 	}
206 
207 	if (errors) {
208 		wpa_config_free_cred(cred);
209 		cred = NULL;
210 	}
211 
212 	return cred;
213 }
214 
215 
216 #ifndef CONFIG_NO_CONFIG_BLOBS
wpa_config_read_blob(FILE * f,int * line,const char * name)217 static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
218 						     const char *name)
219 {
220 	struct wpa_config_blob *blob;
221 	char buf[256], *pos;
222 	char *encoded = NULL, *nencoded;
223 	int end = 0;
224 	size_t encoded_len = 0, len;
225 
226 	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
227 		   *line, name);
228 
229 	while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
230 		if (os_strcmp(pos, "}") == 0) {
231 			end = 1;
232 			break;
233 		}
234 
235 		len = os_strlen(pos);
236 		nencoded = os_realloc(encoded, encoded_len + len);
237 		if (nencoded == NULL) {
238 			wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
239 				   "blob", *line);
240 			os_free(encoded);
241 			return NULL;
242 		}
243 		encoded = nencoded;
244 		os_memcpy(encoded + encoded_len, pos, len);
245 		encoded_len += len;
246 	}
247 
248 	if (!end || !encoded) {
249 		wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
250 			   "properly", *line);
251 		os_free(encoded);
252 		return NULL;
253 	}
254 
255 	blob = os_zalloc(sizeof(*blob));
256 	if (blob == NULL) {
257 		os_free(encoded);
258 		return NULL;
259 	}
260 	blob->name = os_strdup(name);
261 	blob->data = hostap_base64_decode(encoded, encoded_len, &blob->len);
262 	os_free(encoded);
263 
264 	if (blob->name == NULL || blob->data == NULL) {
265 		wpa_config_free_blob(blob);
266 		return NULL;
267 	}
268 
269 	return blob;
270 }
271 
272 
wpa_config_process_blob(struct wpa_config * config,FILE * f,int * line,char * bname)273 static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
274 				   int *line, char *bname)
275 {
276 	char *name_end;
277 	struct wpa_config_blob *blob;
278 
279 	name_end = os_strchr(bname, '=');
280 	if (name_end == NULL) {
281 		wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
282 			   *line);
283 		return -1;
284 	}
285 	*name_end = '\0';
286 
287 	blob = wpa_config_read_blob(f, line, bname);
288 	if (blob == NULL) {
289 		wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
290 			   *line, bname);
291 		return -1;
292 	}
293 	wpa_config_set_blob(config, blob);
294 	return 0;
295 }
296 #endif /* CONFIG_NO_CONFIG_BLOBS */
297 
298 
wpa_config_read(const char * name,struct wpa_config * cfgp,bool ro)299 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp,
300 				    bool ro)
301 {
302 	FILE *f;
303 	char buf[512], *pos;
304 	int errors = 0, line = 0;
305 	struct wpa_ssid *ssid, *tail, *head;
306 	struct wpa_cred *cred, *cred_tail, *cred_head;
307 	struct wpa_config *config;
308 	static int id = 0;
309 	static int cred_id = 0;
310 
311 	if (name == NULL)
312 		return NULL;
313 	if (cfgp)
314 		config = cfgp;
315 	else
316 		config = wpa_config_alloc_empty(NULL, NULL);
317 	if (config == NULL) {
318 		wpa_printf(MSG_ERROR, "Failed to allocate config file "
319 			   "structure");
320 		return NULL;
321 	}
322 	tail = head = config->ssid;
323 	while (tail && tail->next)
324 		tail = tail->next;
325 	cred_tail = cred_head = config->cred;
326 	while (cred_tail && cred_tail->next)
327 		cred_tail = cred_tail->next;
328 
329 	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
330 	f = fopen(name, "r");
331 	if (f == NULL) {
332 		wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
333 			   "error: %s", name, strerror(errno));
334 		if (config != cfgp)
335 			os_free(config);
336 		return NULL;
337 	}
338 
339 	while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
340 		if (os_strcmp(pos, "network={") == 0) {
341 			ssid = wpa_config_read_network(f, &line, id++);
342 			if (ssid == NULL) {
343 				wpa_printf(MSG_ERROR, "Line %d: failed to "
344 					   "parse network block.", line);
345 				errors++;
346 				continue;
347 			}
348 			ssid->ro = ro;
349 			if (head == NULL) {
350 				head = tail = ssid;
351 			} else {
352 				tail->next = ssid;
353 				tail = ssid;
354 			}
355 			if (wpa_config_add_prio_network(config, ssid)) {
356 				wpa_printf(MSG_ERROR, "Line %d: failed to add "
357 					   "network block to priority list.",
358 					   line);
359 				errors++;
360 				continue;
361 			}
362 		} else if (os_strcmp(pos, "cred={") == 0) {
363 			cred = wpa_config_read_cred(f, &line, cred_id++);
364 			if (cred == NULL) {
365 				wpa_printf(MSG_ERROR, "Line %d: failed to "
366 					   "parse cred block.", line);
367 				errors++;
368 				continue;
369 			}
370 			if (cred_head == NULL) {
371 				cred_head = cred_tail = cred;
372 			} else {
373 				cred_tail->next = cred;
374 				cred_tail = cred;
375 			}
376 #ifndef CONFIG_NO_CONFIG_BLOBS
377 		} else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
378 			if (wpa_config_process_blob(config, f, &line, pos + 12)
379 			    < 0) {
380 				wpa_printf(MSG_ERROR, "Line %d: failed to "
381 					   "process blob.", line);
382 				errors++;
383 				continue;
384 			}
385 #endif /* CONFIG_NO_CONFIG_BLOBS */
386 		} else if (wpa_config_process_global(config, pos, line) < 0) {
387 			wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
388 				   "line '%s'.", line, pos);
389 			errors++;
390 			continue;
391 		}
392 	}
393 
394 	fclose(f);
395 
396 	config->ssid = head;
397 	wpa_config_debug_dump_networks(config);
398 	config->cred = cred_head;
399 
400 #ifndef WPA_IGNORE_CONFIG_ERRORS
401 	if (errors) {
402 		if (config != cfgp)
403 			wpa_config_free(config);
404 		config = NULL;
405 		head = NULL;
406 	}
407 #endif /* WPA_IGNORE_CONFIG_ERRORS */
408 
409 	return config;
410 }
411 
412 
413 #ifndef CONFIG_NO_CONFIG_WRITE
414 
write_str(FILE * f,const char * field,struct wpa_ssid * ssid)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 	str_clear_free(value);
422 }
423 
424 
write_int(FILE * f,const char * field,int value,int def)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 
write_bssid(FILE * f,struct wpa_ssid * ssid)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 
write_bssid_hint(FILE * f,struct wpa_ssid * ssid)443 static void write_bssid_hint(FILE *f, struct wpa_ssid *ssid)
444 {
445 	char *value = wpa_config_get(ssid, "bssid_hint");
446 
447 	if (!value)
448 		return;
449 	fprintf(f, "\tbssid_hint=%s\n", value);
450 	os_free(value);
451 }
452 
453 
write_psk(FILE * f,struct wpa_ssid * ssid)454 static void write_psk(FILE *f, struct wpa_ssid *ssid)
455 {
456 	char *value;
457 
458 	if (ssid->mem_only_psk)
459 		return;
460 
461 	value = wpa_config_get(ssid, "psk");
462 	if (value == NULL)
463 		return;
464 	fprintf(f, "\tpsk=%s\n", value);
465 	os_free(value);
466 }
467 
468 
write_proto(FILE * f,struct wpa_ssid * ssid)469 static void write_proto(FILE *f, struct wpa_ssid *ssid)
470 {
471 	char *value;
472 
473 	if (ssid->proto == DEFAULT_PROTO)
474 		return;
475 
476 	value = wpa_config_get(ssid, "proto");
477 	if (value == NULL)
478 		return;
479 	if (value[0])
480 		fprintf(f, "\tproto=%s\n", value);
481 	os_free(value);
482 }
483 
484 
write_key_mgmt(FILE * f,struct wpa_ssid * ssid)485 static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
486 {
487 	char *value;
488 
489 	if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
490 		return;
491 
492 	value = wpa_config_get(ssid, "key_mgmt");
493 	if (value == NULL)
494 		return;
495 	if (value[0])
496 		fprintf(f, "\tkey_mgmt=%s\n", value);
497 	os_free(value);
498 }
499 
500 
write_pairwise(FILE * f,struct wpa_ssid * ssid)501 static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
502 {
503 	char *value;
504 
505 	if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
506 		return;
507 
508 	value = wpa_config_get(ssid, "pairwise");
509 	if (value == NULL)
510 		return;
511 	if (value[0])
512 		fprintf(f, "\tpairwise=%s\n", value);
513 	os_free(value);
514 }
515 
516 
write_group(FILE * f,struct wpa_ssid * ssid)517 static void write_group(FILE *f, struct wpa_ssid *ssid)
518 {
519 	char *value;
520 
521 	if (ssid->group_cipher == DEFAULT_GROUP)
522 		return;
523 
524 	value = wpa_config_get(ssid, "group");
525 	if (value == NULL)
526 		return;
527 	if (value[0])
528 		fprintf(f, "\tgroup=%s\n", value);
529 	os_free(value);
530 }
531 
532 
write_group_mgmt(FILE * f,struct wpa_ssid * ssid)533 static void write_group_mgmt(FILE *f, struct wpa_ssid *ssid)
534 {
535 	char *value;
536 
537 	if (!ssid->group_mgmt_cipher)
538 		return;
539 
540 	value = wpa_config_get(ssid, "group_mgmt");
541 	if (!value)
542 		return;
543 	if (value[0])
544 		fprintf(f, "\tgroup_mgmt=%s\n", value);
545 	os_free(value);
546 }
547 
548 
write_auth_alg(FILE * f,struct wpa_ssid * ssid)549 static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
550 {
551 	char *value;
552 
553 	if (ssid->auth_alg == 0)
554 		return;
555 
556 	value = wpa_config_get(ssid, "auth_alg");
557 	if (value == NULL)
558 		return;
559 	if (value[0])
560 		fprintf(f, "\tauth_alg=%s\n", value);
561 	os_free(value);
562 }
563 
564 
565 #ifdef IEEE8021X_EAPOL
write_eap(FILE * f,struct wpa_ssid * ssid)566 static void write_eap(FILE *f, struct wpa_ssid *ssid)
567 {
568 	char *value;
569 
570 	value = wpa_config_get(ssid, "eap");
571 	if (value == NULL)
572 		return;
573 
574 	if (value[0])
575 		fprintf(f, "\teap=%s\n", value);
576 	os_free(value);
577 }
578 #endif /* IEEE8021X_EAPOL */
579 
580 
581 #ifdef CONFIG_WEP
write_wep_key(FILE * f,int idx,struct wpa_ssid * ssid)582 static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
583 {
584 	char field[20], *value;
585 	int res;
586 
587 	res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
588 	if (os_snprintf_error(sizeof(field), res))
589 		return;
590 	value = wpa_config_get(ssid, field);
591 	if (value) {
592 		fprintf(f, "\t%s=%s\n", field, value);
593 		os_free(value);
594 	}
595 }
596 #endif /* CONFIG_WEP */
597 
598 
599 #ifdef CONFIG_P2P
600 
write_go_p2p_dev_addr(FILE * f,struct wpa_ssid * ssid)601 static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
602 {
603 	char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
604 	if (value == NULL)
605 		return;
606 	fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
607 	os_free(value);
608 }
609 
write_p2p_client_list(FILE * f,struct wpa_ssid * ssid)610 static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
611 {
612 	char *value = wpa_config_get(ssid, "p2p_client_list");
613 	if (value == NULL)
614 		return;
615 	fprintf(f, "\tp2p_client_list=%s\n", value);
616 	os_free(value);
617 }
618 
619 
write_psk_list(FILE * f,struct wpa_ssid * ssid)620 static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
621 {
622 	struct psk_list_entry *psk;
623 	char hex[32 * 2 + 1];
624 
625 	dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
626 		wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
627 		fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n",
628 			psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
629 	}
630 }
631 
632 #endif /* CONFIG_P2P */
633 
634 
635 #ifdef CONFIG_MACSEC
636 
write_mka_cak(FILE * f,struct wpa_ssid * ssid)637 static void write_mka_cak(FILE *f, struct wpa_ssid *ssid)
638 {
639 	char *value;
640 
641 	if (!(ssid->mka_psk_set & MKA_PSK_SET_CAK))
642 		return;
643 
644 	value = wpa_config_get(ssid, "mka_cak");
645 	if (!value)
646 		return;
647 	fprintf(f, "\tmka_cak=%s\n", value);
648 	os_free(value);
649 }
650 
651 
write_mka_ckn(FILE * f,struct wpa_ssid * ssid)652 static void write_mka_ckn(FILE *f, struct wpa_ssid *ssid)
653 {
654 	char *value;
655 
656 	if (!(ssid->mka_psk_set & MKA_PSK_SET_CKN))
657 		return;
658 
659 	value = wpa_config_get(ssid, "mka_ckn");
660 	if (!value)
661 		return;
662 	fprintf(f, "\tmka_ckn=%s\n", value);
663 	os_free(value);
664 }
665 
666 #endif /* CONFIG_MACSEC */
667 
668 
wpa_config_write_network(FILE * f,struct wpa_ssid * ssid)669 static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
670 {
671 #define STR(t) write_str(f, #t, ssid)
672 #define INT(t) write_int(f, #t, ssid->t, 0)
673 #define INTe(t, m) write_int(f, #t, ssid->eap.m, 0)
674 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
675 #define INT_DEFe(t, m, def) write_int(f, #t, ssid->eap.m, def)
676 
677 	STR(ssid);
678 	INT(scan_ssid);
679 	write_bssid(f, ssid);
680 	write_bssid_hint(f, ssid);
681 	write_str(f, "bssid_ignore", ssid);
682 	write_str(f, "bssid_accept", ssid);
683 	write_psk(f, ssid);
684 	INT(mem_only_psk);
685 	STR(sae_password);
686 	STR(sae_password_id);
687 	write_int(f, "sae_pwe", ssid->sae_pwe, DEFAULT_SAE_PWE);
688 	write_proto(f, ssid);
689 	write_key_mgmt(f, ssid);
690 	INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
691 	write_pairwise(f, ssid);
692 	write_group(f, ssid);
693 	write_group_mgmt(f, ssid);
694 	write_auth_alg(f, ssid);
695 	STR(bgscan);
696 	STR(autoscan);
697 	STR(scan_freq);
698 #ifdef IEEE8021X_EAPOL
699 	write_eap(f, ssid);
700 	STR(identity);
701 	STR(anonymous_identity);
702 	STR(imsi_identity);
703 	STR(machine_identity);
704 	STR(password);
705 	STR(machine_password);
706 	STR(ca_cert);
707 	STR(ca_path);
708 	STR(client_cert);
709 	STR(private_key);
710 	STR(private_key_passwd);
711 	STR(subject_match);
712 	STR(check_cert_subject);
713 	STR(altsubject_match);
714 	STR(domain_suffix_match);
715 	STR(domain_match);
716 	STR(ca_cert2);
717 	STR(ca_path2);
718 	STR(client_cert2);
719 	STR(private_key2);
720 	STR(private_key2_passwd);
721 	STR(subject_match2);
722 	STR(check_cert_subject2);
723 	STR(altsubject_match2);
724 	STR(domain_suffix_match2);
725 	STR(domain_match2);
726 	STR(machine_ca_cert);
727 	STR(machine_ca_path);
728 	STR(machine_client_cert);
729 	STR(machine_private_key);
730 	STR(machine_private_key_passwd);
731 	STR(machine_subject_match);
732 	STR(machine_check_cert_subject);
733 	STR(machine_altsubject_match);
734 	STR(machine_domain_suffix_match);
735 	STR(machine_domain_match);
736 	STR(phase1);
737 	STR(phase2);
738 	STR(machine_phase2);
739 	STR(pcsc);
740 	STR(pin);
741 	STR(engine_id);
742 	STR(key_id);
743 	STR(cert_id);
744 	STR(ca_cert_id);
745 	STR(key2_id);
746 	STR(pin2);
747 	STR(engine2_id);
748 	STR(cert2_id);
749 	STR(ca_cert2_id);
750 	INTe(engine, cert.engine);
751 	INTe(engine2, phase2_cert.engine);
752 	INTe(machine_engine, machine_cert.engine);
753 	INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
754 	STR(openssl_ciphers);
755 	INTe(erp, erp);
756 #endif /* IEEE8021X_EAPOL */
757 #ifdef CONFIG_WEP
758 	{
759 		int i;
760 
761 		for (i = 0; i < 4; i++)
762 			write_wep_key(f, i, ssid);
763 		INT(wep_tx_keyidx);
764 	}
765 #endif /* CONFIG_WEP */
766 	INT(priority);
767 #ifdef IEEE8021X_EAPOL
768 	INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
769 	STR(pac_file);
770 	INT_DEFe(fragment_size, fragment_size, DEFAULT_FRAGMENT_SIZE);
771 	INTe(ocsp, cert.ocsp);
772 	INTe(ocsp2, phase2_cert.ocsp);
773 	INTe(machine_ocsp, machine_cert.ocsp);
774 	INT_DEFe(sim_num, sim_num, DEFAULT_USER_SELECTED_SIM);
775 #endif /* IEEE8021X_EAPOL */
776 	INT(mode);
777 	INT(no_auto_peer);
778 	INT(mesh_fwding);
779 	INT(frequency);
780 	INT(enable_edmg);
781 	INT(edmg_channel);
782 	INT(fixed_freq);
783 #ifdef CONFIG_ACS
784 	INT(acs);
785 #endif /* CONFIG_ACS */
786 	write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
787 	INT(disabled);
788 	INT(mixed_cell);
789 	INT_DEF(vht, 1);
790 	INT_DEF(ht, 1);
791 	INT(ht40);
792 	INT_DEF(he, 1);
793 	INT_DEF(max_oper_chwidth, DEFAULT_MAX_OPER_CHWIDTH);
794 	INT(vht_center_freq1);
795 	INT(vht_center_freq2);
796 	INT(pbss);
797 	INT(wps_disabled);
798 	INT(fils_dh_group);
799 	write_int(f, "ieee80211w", ssid->ieee80211w,
800 		  MGMT_FRAME_PROTECTION_DEFAULT);
801 	STR(id_str);
802 #ifdef CONFIG_P2P
803 	write_go_p2p_dev_addr(f, ssid);
804 	write_p2p_client_list(f, ssid);
805 	write_psk_list(f, ssid);
806 #endif /* CONFIG_P2P */
807 	INT(ap_max_inactivity);
808 	INT(dtim_period);
809 	INT(beacon_int);
810 #ifdef CONFIG_MACSEC
811 	INT(macsec_policy);
812 	write_mka_cak(f, ssid);
813 	write_mka_ckn(f, ssid);
814 	INT(macsec_integ_only);
815 	INT(macsec_replay_protect);
816 	INT(macsec_replay_window);
817 	INT(macsec_offload);
818 	INT(macsec_port);
819 	INT_DEF(mka_priority, DEFAULT_PRIO_NOT_KEY_SERVER);
820 	INT(macsec_csindex);
821 #endif /* CONFIG_MACSEC */
822 #ifdef CONFIG_HS20
823 	INT(update_identifier);
824 	STR(roaming_consortium_selection);
825 #endif /* CONFIG_HS20 */
826 	write_int(f, "mac_addr", ssid->mac_addr, -1);
827 #ifdef CONFIG_MESH
828 	STR(mesh_basic_rates);
829 	INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES);
830 	INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT);
831 	INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT);
832 	INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT);
833 	INT_DEF(mesh_rssi_threshold, DEFAULT_MESH_RSSI_THRESHOLD);
834 #endif /* CONFIG_MESH */
835 	INT(wpa_ptk_rekey);
836 	INT(wpa_deny_ptk0_rekey);
837 	INT(group_rekey);
838 	INT(ignore_broadcast_ssid);
839 #ifdef CONFIG_DPP
840 	STR(dpp_connector);
841 	STR(dpp_netaccesskey);
842 	INT(dpp_netaccesskey_expiry);
843 	STR(dpp_csign);
844 	STR(dpp_pp_key);
845 	INT(dpp_pfs);
846 	INT(dpp_connector_privacy);
847 #endif /* CONFIG_DPP */
848 	INT(owe_group);
849 	INT(owe_only);
850 	INT(owe_ptk_workaround);
851 	INT(multi_ap_backhaul_sta);
852 	INT(ft_eap_pmksa_caching);
853 	INT(multi_ap_profile);
854 	INT(beacon_prot);
855 	INT(transition_disable);
856 	INT(sae_pk);
857 #ifdef CONFIG_HT_OVERRIDES
858 	INT_DEF(disable_ht, DEFAULT_DISABLE_HT);
859 	INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40);
860 	INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI);
861 	INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC);
862 	INT(ht40_intolerant);
863 	INT_DEF(tx_stbc, DEFAULT_TX_STBC);
864 	INT_DEF(rx_stbc, DEFAULT_RX_STBC);
865 	INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU);
866 	INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR);
867 	INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY);
868 	STR(ht_mcs);
869 #endif /* CONFIG_HT_OVERRIDES */
870 #ifdef CONFIG_VHT_OVERRIDES
871 	INT(disable_vht);
872 	INT(vht_capa);
873 	INT(vht_capa_mask);
874 	INT_DEF(vht_rx_mcs_nss_1, -1);
875 	INT_DEF(vht_rx_mcs_nss_2, -1);
876 	INT_DEF(vht_rx_mcs_nss_3, -1);
877 	INT_DEF(vht_rx_mcs_nss_4, -1);
878 	INT_DEF(vht_rx_mcs_nss_5, -1);
879 	INT_DEF(vht_rx_mcs_nss_6, -1);
880 	INT_DEF(vht_rx_mcs_nss_7, -1);
881 	INT_DEF(vht_rx_mcs_nss_8, -1);
882 	INT_DEF(vht_tx_mcs_nss_1, -1);
883 	INT_DEF(vht_tx_mcs_nss_2, -1);
884 	INT_DEF(vht_tx_mcs_nss_3, -1);
885 	INT_DEF(vht_tx_mcs_nss_4, -1);
886 	INT_DEF(vht_tx_mcs_nss_5, -1);
887 	INT_DEF(vht_tx_mcs_nss_6, -1);
888 	INT_DEF(vht_tx_mcs_nss_7, -1);
889 	INT_DEF(vht_tx_mcs_nss_8, -1);
890 #endif /* CONFIG_VHT_OVERRIDES */
891 #ifdef CONFIG_HE_OVERRIDES
892 	INT(disable_he);
893 #endif /* CONFIG_HE_OVERRIDES */
894 	INT(disable_eht);
895 	INT(enable_4addr_mode);
896 	INT(max_idle);
897 	INT(ssid_protection);
898 	INT_DEF(rsn_overriding, RSN_OVERRIDING_NOT_SET);
899 
900 #undef STR
901 #undef INT
902 #undef INT_DEF
903 }
904 
905 
wpa_config_write_cred(FILE * f,struct wpa_cred * cred)906 static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
907 {
908 	size_t i;
909 
910 	if (cred->priority)
911 		fprintf(f, "\tpriority=%d\n", cred->priority);
912 	if (cred->pcsc)
913 		fprintf(f, "\tpcsc=%d\n", cred->pcsc);
914 	if (cred->realm)
915 		fprintf(f, "\trealm=\"%s\"\n", cred->realm);
916 	if (cred->username)
917 		fprintf(f, "\tusername=\"%s\"\n", cred->username);
918 	if (cred->password && cred->ext_password)
919 		fprintf(f, "\tpassword=ext:%s\n", cred->password);
920 	else if (cred->password)
921 		fprintf(f, "\tpassword=\"%s\"\n", cred->password);
922 	if (cred->ca_cert)
923 		fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
924 	if (cred->client_cert)
925 		fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
926 	if (cred->private_key)
927 		fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
928 	if (cred->private_key_passwd)
929 		fprintf(f, "\tprivate_key_passwd=\"%s\"\n",
930 			cred->private_key_passwd);
931 	if (cred->imsi)
932 		fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
933 	if (cred->milenage)
934 		fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
935 	for (i = 0; i < cred->num_domain; i++)
936 		fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
937 	if (cred->domain_suffix_match)
938 		fprintf(f, "\tdomain_suffix_match=\"%s\"\n",
939 			cred->domain_suffix_match);
940 	if (cred->eap_method) {
941 		const char *name;
942 		name = eap_get_name(cred->eap_method[0].vendor,
943 				    cred->eap_method[0].method);
944 		if (name)
945 			fprintf(f, "\teap=%s\n", name);
946 	}
947 	if (cred->phase1)
948 		fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
949 	if (cred->phase2)
950 		fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
951 	if (cred->excluded_ssid) {
952 		size_t j;
953 		for (i = 0; i < cred->num_excluded_ssid; i++) {
954 			struct excluded_ssid *e = &cred->excluded_ssid[i];
955 			fprintf(f, "\texcluded_ssid=");
956 			for (j = 0; j < e->ssid_len; j++)
957 				fprintf(f, "%02x", e->ssid[j]);
958 			fprintf(f, "\n");
959 		}
960 	}
961 	if (cred->roaming_partner) {
962 		for (i = 0; i < cred->num_roaming_partner; i++) {
963 			struct roaming_partner *p = &cred->roaming_partner[i];
964 			fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n",
965 				p->fqdn, p->exact_match, p->priority,
966 				p->country);
967 		}
968 	}
969 	if (cred->update_identifier)
970 		fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
971 
972 	if (cred->provisioning_sp)
973 		fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
974 	if (cred->sp_priority)
975 		fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
976 
977 	if (cred->min_dl_bandwidth_home)
978 		fprintf(f, "\tmin_dl_bandwidth_home=%u\n",
979 			cred->min_dl_bandwidth_home);
980 	if (cred->min_ul_bandwidth_home)
981 		fprintf(f, "\tmin_ul_bandwidth_home=%u\n",
982 			cred->min_ul_bandwidth_home);
983 	if (cred->min_dl_bandwidth_roaming)
984 		fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n",
985 			cred->min_dl_bandwidth_roaming);
986 	if (cred->min_ul_bandwidth_roaming)
987 		fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n",
988 			cred->min_ul_bandwidth_roaming);
989 
990 	if (cred->max_bss_load)
991 		fprintf(f, "\tmax_bss_load=%u\n",
992 			cred->max_bss_load);
993 
994 	if (cred->ocsp)
995 		fprintf(f, "\tocsp=%d\n", cred->ocsp);
996 
997 	if (cred->num_req_conn_capab) {
998 		for (i = 0; i < cred->num_req_conn_capab; i++) {
999 			int *ports;
1000 
1001 			fprintf(f, "\treq_conn_capab=%u",
1002 				cred->req_conn_capab_proto[i]);
1003 			ports = cred->req_conn_capab_port[i];
1004 			if (ports) {
1005 				int j;
1006 				for (j = 0; ports[j] != -1; j++) {
1007 					fprintf(f, "%s%d", j > 0 ? "," : ":",
1008 						ports[j]);
1009 				}
1010 			}
1011 			fprintf(f, "\n");
1012 		}
1013 	}
1014 
1015 	if (cred->num_home_ois) {
1016 		size_t j;
1017 
1018 		fprintf(f, "\thome_ois=\"");
1019 		for (i = 0; i < cred->num_home_ois; i++) {
1020 			if (i > 0)
1021 				fprintf(f, ",");
1022 			for (j = 0; j < cred->home_ois_len[i]; j++)
1023 				fprintf(f, "%02x",
1024 					cred->home_ois[i][j]);
1025 		}
1026 		fprintf(f, "\"\n");
1027 	}
1028 
1029 	if (cred->num_required_home_ois) {
1030 		size_t j;
1031 
1032 		fprintf(f, "\trequired_home_ois=\"");
1033 		for (i = 0; i < cred->num_required_home_ois; i++) {
1034 			if (i > 0)
1035 				fprintf(f, ",");
1036 			for (j = 0; j < cred->required_home_ois_len[i]; j++)
1037 				fprintf(f, "%02x",
1038 					cred->required_home_ois[i][j]);
1039 		}
1040 		fprintf(f, "\"\n");
1041 	}
1042 
1043 	if (cred->num_roaming_consortiums) {
1044 		size_t j;
1045 
1046 		fprintf(f, "\troaming_consortiums=\"");
1047 		for (i = 0; i < cred->num_roaming_consortiums; i++) {
1048 			if (i > 0)
1049 				fprintf(f, ",");
1050 			for (j = 0; j < cred->roaming_consortiums_len[i]; j++)
1051 				fprintf(f, "%02x",
1052 					cred->roaming_consortiums[i][j]);
1053 		}
1054 		fprintf(f, "\"\n");
1055 	}
1056 
1057 	if (cred->sim_num != DEFAULT_USER_SELECTED_SIM)
1058 		fprintf(f, "\tsim_num=%d\n", cred->sim_num);
1059 
1060 	if (cred->engine)
1061 		fprintf(f, "\tengine=%d\n", cred->engine);
1062 	if (cred->engine_id)
1063 		fprintf(f, "\tengine_id=\"%s\"\n", cred->engine_id);
1064 	if (cred->key_id)
1065 		fprintf(f, "\tkey_id=\"%s\"\n", cred->key_id);
1066 	if (cred->cert_id)
1067 		fprintf(f, "\tcert_id=\"%s\"\n", cred->cert_id);
1068 	if (cred->ca_cert_id)
1069 		fprintf(f, "\tca_cert_id=\"%s\"\n", cred->ca_cert_id);
1070 
1071 	if (cred->imsi_privacy_cert)
1072 		fprintf(f, "\timsi_privacy_cert=\"%s\"\n",
1073 			cred->imsi_privacy_cert);
1074 	if (cred->imsi_privacy_attr)
1075 		fprintf(f, "\timsi_privacy_attr=\"%s\"\n",
1076 			cred->imsi_privacy_attr);
1077 }
1078 
1079 
1080 #ifndef CONFIG_NO_CONFIG_BLOBS
wpa_config_write_blob(FILE * f,struct wpa_config_blob * blob)1081 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
1082 {
1083 	char *encoded;
1084 
1085 	encoded = hostap_base64_encode(blob->data, blob->len, NULL);
1086 	if (encoded == NULL)
1087 		return -1;
1088 
1089 	fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
1090 	os_free(encoded);
1091 	return 0;
1092 }
1093 #endif /* CONFIG_NO_CONFIG_BLOBS */
1094 
1095 
write_global_bin(FILE * f,const char * field,const struct wpabuf * val)1096 static void write_global_bin(FILE *f, const char *field,
1097 			     const struct wpabuf *val)
1098 {
1099 	size_t i;
1100 	const u8 *pos;
1101 
1102 	if (val == NULL)
1103 		return;
1104 
1105 	fprintf(f, "%s=", field);
1106 	pos = wpabuf_head(val);
1107 	for (i = 0; i < wpabuf_len(val); i++)
1108 		fprintf(f, "%02X", *pos++);
1109 	fprintf(f, "\n");
1110 }
1111 
1112 
wpa_config_write_global(FILE * f,struct wpa_config * config)1113 static void wpa_config_write_global(FILE *f, struct wpa_config *config)
1114 {
1115 #ifdef CONFIG_CTRL_IFACE
1116 	if (config->ctrl_interface)
1117 		fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
1118 	if (config->ctrl_interface_group)
1119 		fprintf(f, "ctrl_interface_group=%s\n",
1120 			config->ctrl_interface_group);
1121 #endif /* CONFIG_CTRL_IFACE */
1122 	if (config->eapol_version != DEFAULT_EAPOL_VERSION)
1123 		fprintf(f, "eapol_version=%d\n", config->eapol_version);
1124 	if (config->ap_scan != DEFAULT_AP_SCAN)
1125 		fprintf(f, "ap_scan=%d\n", config->ap_scan);
1126 	if (config->disable_scan_offload)
1127 		fprintf(f, "disable_scan_offload=%d\n",
1128 			config->disable_scan_offload);
1129 	if (config->fast_reauth != DEFAULT_FAST_REAUTH)
1130 		fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
1131 #ifndef CONFIG_OPENSC_ENGINE_PATH
1132 	if (config->opensc_engine_path)
1133 		fprintf(f, "opensc_engine_path=%s\n",
1134 			config->opensc_engine_path);
1135 #endif /* CONFIG_OPENSC_ENGINE_PATH */
1136 #ifndef CONFIG_PKCS11_ENGINE_PATH
1137 	if (config->pkcs11_engine_path)
1138 		fprintf(f, "pkcs11_engine_path=%s\n",
1139 			config->pkcs11_engine_path);
1140 #endif /* CONFIG_PKCS11_ENGINE_PATH */
1141 #ifndef CONFIG_PKCS11_MODULE_PATH
1142 	if (config->pkcs11_module_path)
1143 		fprintf(f, "pkcs11_module_path=%s\n",
1144 			config->pkcs11_module_path);
1145 #endif /* CONFIG_PKCS11_MODULE_PATH */
1146 	if (config->openssl_ciphers)
1147 		fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers);
1148 	if (config->pcsc_reader)
1149 		fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
1150 	if (config->pcsc_pin)
1151 		fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
1152 	if (config->driver_param)
1153 		fprintf(f, "driver_param=%s\n", config->driver_param);
1154 	if (config->dot11RSNAConfigPMKLifetime)
1155 		fprintf(f, "dot11RSNAConfigPMKLifetime=%u\n",
1156 			config->dot11RSNAConfigPMKLifetime);
1157 	if (config->dot11RSNAConfigPMKReauthThreshold)
1158 		fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%u\n",
1159 			config->dot11RSNAConfigPMKReauthThreshold);
1160 	if (config->dot11RSNAConfigSATimeout)
1161 		fprintf(f, "dot11RSNAConfigSATimeout=%u\n",
1162 			config->dot11RSNAConfigSATimeout);
1163 	if (config->update_config)
1164 		fprintf(f, "update_config=%d\n", config->update_config);
1165 #ifdef CONFIG_WPS
1166 	if (!is_nil_uuid(config->uuid)) {
1167 		char buf[40];
1168 		uuid_bin2str(config->uuid, buf, sizeof(buf));
1169 		fprintf(f, "uuid=%s\n", buf);
1170 	}
1171 	if (config->auto_uuid)
1172 		fprintf(f, "auto_uuid=%d\n", config->auto_uuid);
1173 	if (config->device_name)
1174 		fprintf(f, "device_name=%s\n", config->device_name);
1175 	if (config->manufacturer)
1176 		fprintf(f, "manufacturer=%s\n", config->manufacturer);
1177 	if (config->model_name)
1178 		fprintf(f, "model_name=%s\n", config->model_name);
1179 	if (config->model_number)
1180 		fprintf(f, "model_number=%s\n", config->model_number);
1181 	if (config->serial_number)
1182 		fprintf(f, "serial_number=%s\n", config->serial_number);
1183 	{
1184 		char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1185 		buf = wps_dev_type_bin2str(config->device_type,
1186 					   _buf, sizeof(_buf));
1187 		if (os_strcmp(buf, "0-00000000-0") != 0)
1188 			fprintf(f, "device_type=%s\n", buf);
1189 	}
1190 	if (WPA_GET_BE32(config->os_version))
1191 		fprintf(f, "os_version=%08x\n",
1192 			WPA_GET_BE32(config->os_version));
1193 	if (config->config_methods)
1194 		fprintf(f, "config_methods=%s\n", config->config_methods);
1195 	if (config->wps_cred_processing)
1196 		fprintf(f, "wps_cred_processing=%d\n",
1197 			config->wps_cred_processing);
1198 	if (config->wps_cred_add_sae)
1199 		fprintf(f, "wps_cred_add_sae=%d\n",
1200 			config->wps_cred_add_sae);
1201 	if (config->wps_vendor_ext_m1) {
1202 		int i, len = wpabuf_len(config->wps_vendor_ext_m1);
1203 		const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
1204 		if (len > 0) {
1205 			fprintf(f, "wps_vendor_ext_m1=");
1206 			for (i = 0; i < len; i++)
1207 				fprintf(f, "%02x", *p++);
1208 			fprintf(f, "\n");
1209 		}
1210 	}
1211 #endif /* CONFIG_WPS */
1212 #ifdef CONFIG_P2P
1213 	{
1214 		int i;
1215 		char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
1216 
1217 		for (i = 0; i < config->num_sec_device_types; i++) {
1218 			buf = wps_dev_type_bin2str(config->sec_device_type[i],
1219 						   _buf, sizeof(_buf));
1220 			if (buf)
1221 				fprintf(f, "sec_device_type=%s\n", buf);
1222 		}
1223 	}
1224 	if (config->p2p_listen_reg_class)
1225 		fprintf(f, "p2p_listen_reg_class=%d\n",
1226 			config->p2p_listen_reg_class);
1227 	if (config->p2p_listen_channel)
1228 		fprintf(f, "p2p_listen_channel=%d\n",
1229 			config->p2p_listen_channel);
1230 	if (config->p2p_oper_reg_class)
1231 		fprintf(f, "p2p_oper_reg_class=%d\n",
1232 			config->p2p_oper_reg_class);
1233 	if (config->p2p_oper_channel)
1234 		fprintf(f, "p2p_oper_channel=%d\n", config->p2p_oper_channel);
1235 	if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT)
1236 		fprintf(f, "p2p_go_intent=%d\n", config->p2p_go_intent);
1237 	if (config->p2p_ssid_postfix)
1238 		fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
1239 	if (config->persistent_reconnect)
1240 		fprintf(f, "persistent_reconnect=%d\n",
1241 			config->persistent_reconnect);
1242 	if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS)
1243 		fprintf(f, "p2p_intra_bss=%d\n", config->p2p_intra_bss);
1244 	if (config->p2p_group_idle)
1245 		fprintf(f, "p2p_group_idle=%d\n", config->p2p_group_idle);
1246 	if (config->p2p_passphrase_len)
1247 		fprintf(f, "p2p_passphrase_len=%u\n",
1248 			config->p2p_passphrase_len);
1249 	if (config->p2p_pref_chan) {
1250 		unsigned int i;
1251 		fprintf(f, "p2p_pref_chan=");
1252 		for (i = 0; i < config->num_p2p_pref_chan; i++) {
1253 			fprintf(f, "%s%u:%u", i > 0 ? "," : "",
1254 				config->p2p_pref_chan[i].op_class,
1255 				config->p2p_pref_chan[i].chan);
1256 		}
1257 		fprintf(f, "\n");
1258 	}
1259 	if (config->p2p_no_go_freq.num) {
1260 		char *val = freq_range_list_str(&config->p2p_no_go_freq);
1261 		if (val) {
1262 			fprintf(f, "p2p_no_go_freq=%s\n", val);
1263 			os_free(val);
1264 		}
1265 	}
1266 	if (config->p2p_add_cli_chan)
1267 		fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
1268 	if (config->p2p_optimize_listen_chan !=
1269 	    DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN)
1270 		fprintf(f, "p2p_optimize_listen_chan=%d\n",
1271 			config->p2p_optimize_listen_chan);
1272 	if (config->p2p_go_ht40)
1273 		fprintf(f, "p2p_go_ht40=%d\n", config->p2p_go_ht40);
1274 	if (config->p2p_go_vht)
1275 		fprintf(f, "p2p_go_vht=%d\n", config->p2p_go_vht);
1276 	if (config->p2p_go_he)
1277 		fprintf(f, "p2p_go_he=%d\n", config->p2p_go_he);
1278 	if (config->p2p_go_edmg)
1279 		fprintf(f, "p2p_go_edmg=%d\n", config->p2p_go_edmg);
1280 	if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW)
1281 		fprintf(f, "p2p_go_ctwindow=%d\n", config->p2p_go_ctwindow);
1282 	if (config->p2p_disabled)
1283 		fprintf(f, "p2p_disabled=%d\n", config->p2p_disabled);
1284 	if (config->p2p_no_group_iface)
1285 		fprintf(f, "p2p_no_group_iface=%d\n",
1286 			config->p2p_no_group_iface);
1287 	if (config->p2p_ignore_shared_freq)
1288 		fprintf(f, "p2p_ignore_shared_freq=%d\n",
1289 			config->p2p_ignore_shared_freq);
1290 	if (config->p2p_cli_probe)
1291 		fprintf(f, "p2p_cli_probe=%d\n", config->p2p_cli_probe);
1292 	if (config->p2p_go_freq_change_policy != DEFAULT_P2P_GO_FREQ_MOVE)
1293 		fprintf(f, "p2p_go_freq_change_policy=%u\n",
1294 			config->p2p_go_freq_change_policy);
1295 
1296 	if (config->p2p_6ghz_disable)
1297 		fprintf(f, "p2p_6ghz_disable=%d\n", config->p2p_6ghz_disable);
1298 
1299 	if (WPA_GET_BE32(config->ip_addr_go))
1300 		fprintf(f, "ip_addr_go=%u.%u.%u.%u\n",
1301 			config->ip_addr_go[0], config->ip_addr_go[1],
1302 			config->ip_addr_go[2], config->ip_addr_go[3]);
1303 	if (WPA_GET_BE32(config->ip_addr_mask))
1304 		fprintf(f, "ip_addr_mask=%u.%u.%u.%u\n",
1305 			config->ip_addr_mask[0], config->ip_addr_mask[1],
1306 			config->ip_addr_mask[2], config->ip_addr_mask[3]);
1307 	if (WPA_GET_BE32(config->ip_addr_start))
1308 		fprintf(f, "ip_addr_start=%u.%u.%u.%u\n",
1309 			config->ip_addr_start[0], config->ip_addr_start[1],
1310 			config->ip_addr_start[2], config->ip_addr_start[3]);
1311 	if (WPA_GET_BE32(config->ip_addr_end))
1312 		fprintf(f, "ip_addr_end=%u.%u.%u.%u\n",
1313 			config->ip_addr_end[0], config->ip_addr_end[1],
1314 			config->ip_addr_end[2], config->ip_addr_end[3]);
1315 #endif /* CONFIG_P2P */
1316 	if (config->country[0] && config->country[1]) {
1317 		fprintf(f, "country=%c%c\n",
1318 			config->country[0], config->country[1]);
1319 	}
1320 	if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
1321 		fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
1322 	if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE)
1323 		fprintf(f, "bss_expiration_age=%u\n",
1324 			config->bss_expiration_age);
1325 	if (config->bss_expiration_scan_count !=
1326 	    DEFAULT_BSS_EXPIRATION_SCAN_COUNT)
1327 		fprintf(f, "bss_expiration_scan_count=%u\n",
1328 			config->bss_expiration_scan_count);
1329 	if (config->filter_ssids)
1330 		fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
1331 	if (config->filter_rssi)
1332 		fprintf(f, "filter_rssi=%d\n", config->filter_rssi);
1333 	if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
1334 		fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
1335 	if (config->ap_isolate != DEFAULT_AP_ISOLATE)
1336 		fprintf(f, "ap_isolate=%u\n", config->ap_isolate);
1337 	if (config->disassoc_low_ack)
1338 		fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack);
1339 #ifdef CONFIG_HS20
1340 	if (config->hs20)
1341 		fprintf(f, "hs20=1\n");
1342 #endif /* CONFIG_HS20 */
1343 #ifdef CONFIG_INTERWORKING
1344 	if (config->interworking)
1345 		fprintf(f, "interworking=%d\n", config->interworking);
1346 	if (!is_zero_ether_addr(config->hessid))
1347 		fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
1348 	if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE)
1349 		fprintf(f, "access_network_type=%d\n",
1350 			config->access_network_type);
1351 	if (config->go_interworking)
1352 		fprintf(f, "go_interworking=%d\n", config->go_interworking);
1353 	if (config->go_access_network_type)
1354 		fprintf(f, "go_access_network_type=%d\n",
1355 			config->go_access_network_type);
1356 	if (config->go_internet)
1357 		fprintf(f, "go_internet=%d\n", config->go_internet);
1358 	if (config->go_venue_group)
1359 		fprintf(f, "go_venue_group=%d\n", config->go_venue_group);
1360 	if (config->go_venue_type)
1361 		fprintf(f, "go_venue_type=%d\n", config->go_venue_type);
1362 #endif /* CONFIG_INTERWORKING */
1363 	if (config->pbc_in_m1)
1364 		fprintf(f, "pbc_in_m1=%d\n", config->pbc_in_m1);
1365 	if (config->wps_nfc_pw_from_config) {
1366 		if (config->wps_nfc_dev_pw_id)
1367 			fprintf(f, "wps_nfc_dev_pw_id=%d\n",
1368 				config->wps_nfc_dev_pw_id);
1369 		write_global_bin(f, "wps_nfc_dh_pubkey",
1370 				 config->wps_nfc_dh_pubkey);
1371 		write_global_bin(f, "wps_nfc_dh_privkey",
1372 				 config->wps_nfc_dh_privkey);
1373 		write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
1374 	}
1375 
1376 	if (config->ext_password_backend)
1377 		fprintf(f, "ext_password_backend=%s\n",
1378 			config->ext_password_backend);
1379 	if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
1380 		fprintf(f, "p2p_go_max_inactivity=%d\n",
1381 			config->p2p_go_max_inactivity);
1382 	if (config->auto_interworking)
1383 		fprintf(f, "auto_interworking=%d\n",
1384 			config->auto_interworking);
1385 	if (config->okc)
1386 		fprintf(f, "okc=%d\n", config->okc);
1387 	if (config->pmf)
1388 		fprintf(f, "pmf=%d\n", config->pmf);
1389 	if (config->dtim_period)
1390 		fprintf(f, "dtim_period=%d\n", config->dtim_period);
1391 	if (config->beacon_int)
1392 		fprintf(f, "beacon_int=%d\n", config->beacon_int);
1393 
1394 	if (config->sae_check_mfp)
1395 		fprintf(f, "sae_check_mfp=%d\n", config->sae_check_mfp);
1396 
1397 	if (config->sae_groups) {
1398 		int i;
1399 		fprintf(f, "sae_groups=");
1400 		for (i = 0; config->sae_groups[i] > 0; i++) {
1401 			fprintf(f, "%s%d", i > 0 ? " " : "",
1402 				config->sae_groups[i]);
1403 		}
1404 		fprintf(f, "\n");
1405 	}
1406 
1407 	if (config->sae_pwe)
1408 		fprintf(f, "sae_pwe=%d\n", config->sae_pwe);
1409 
1410 	if (config->sae_pmkid_in_assoc)
1411 		fprintf(f, "sae_pmkid_in_assoc=%d\n",
1412 			config->sae_pmkid_in_assoc);
1413 
1414 	if (config->ap_vendor_elements) {
1415 		int i, len = wpabuf_len(config->ap_vendor_elements);
1416 		const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
1417 		if (len > 0) {
1418 			fprintf(f, "ap_vendor_elements=");
1419 			for (i = 0; i < len; i++)
1420 				fprintf(f, "%02x", *p++);
1421 			fprintf(f, "\n");
1422 		}
1423 	}
1424 
1425 	if (config->ap_assocresp_elements) {
1426 		int i, len = wpabuf_len(config->ap_assocresp_elements);
1427 		const u8 *p = wpabuf_head_u8(config->ap_assocresp_elements);
1428 
1429 		if (len > 0) {
1430 			fprintf(f, "ap_assocresp_elements=");
1431 			for (i = 0; i < len; i++)
1432 				fprintf(f, "%02x", *p++);
1433 			fprintf(f, "\n");
1434 		}
1435 	}
1436 
1437 	if (config->ignore_old_scan_res)
1438 		fprintf(f, "ignore_old_scan_res=%d\n",
1439 			config->ignore_old_scan_res);
1440 
1441 	if (config->freq_list && config->freq_list[0]) {
1442 		int i;
1443 		fprintf(f, "freq_list=");
1444 		for (i = 0; config->freq_list[i]; i++) {
1445 			fprintf(f, "%s%d", i > 0 ? " " : "",
1446 				config->freq_list[i]);
1447 		}
1448 		fprintf(f, "\n");
1449 	}
1450 	if (config->initial_freq_list && config->initial_freq_list[0]) {
1451 		int i;
1452 		fprintf(f, "initial_freq_list=");
1453 		for (i = 0; config->initial_freq_list[i]; i++) {
1454 			fprintf(f, "%s%d", i > 0 ? " " : "",
1455 				config->initial_freq_list[i]);
1456 		}
1457 		fprintf(f, "\n");
1458 	}
1459 	if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ)
1460 		fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
1461 
1462 	if (config->scan_res_valid_for_connect !=
1463 	    DEFAULT_SCAN_RES_VALID_FOR_CONNECT)
1464 		fprintf(f, "scan_res_valid_for_connect=%d\n",
1465 			config->scan_res_valid_for_connect);
1466 
1467 	if (config->sched_scan_interval)
1468 		fprintf(f, "sched_scan_interval=%u\n",
1469 			config->sched_scan_interval);
1470 
1471 	if (config->sched_scan_start_delay)
1472 		fprintf(f, "sched_scan_start_delay=%u\n",
1473 			config->sched_scan_start_delay);
1474 
1475 	if (config->external_sim)
1476 		fprintf(f, "external_sim=%d\n", config->external_sim);
1477 
1478 	if (config->tdls_external_control)
1479 		fprintf(f, "tdls_external_control=%d\n",
1480 			config->tdls_external_control);
1481 
1482 	if (config->wowlan_triggers)
1483 		fprintf(f, "wowlan_triggers=%s\n",
1484 			config->wowlan_triggers);
1485 
1486 	if (config->bgscan)
1487 		fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
1488 
1489 	if (config->autoscan)
1490 		fprintf(f, "autoscan=%s\n", config->autoscan);
1491 
1492 	if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY)
1493 		fprintf(f, "p2p_search_delay=%u\n",
1494 			config->p2p_search_delay);
1495 
1496 	if (config->mac_addr)
1497 		fprintf(f, "mac_addr=%d\n", config->mac_addr);
1498 
1499 	if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1500 		fprintf(f, "rand_addr_lifetime=%u\n",
1501 			config->rand_addr_lifetime);
1502 
1503 	if (config->preassoc_mac_addr)
1504 		fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr);
1505 
1506 	if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD)
1507 		fprintf(f, "key_mgmt_offload=%d\n", config->key_mgmt_offload);
1508 
1509 	if (config->user_mpm != DEFAULT_USER_MPM)
1510 		fprintf(f, "user_mpm=%d\n", config->user_mpm);
1511 
1512 	if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS)
1513 		fprintf(f, "max_peer_links=%d\n", config->max_peer_links);
1514 
1515 	if (config->cert_in_cb != DEFAULT_CERT_IN_CB)
1516 		fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb);
1517 
1518 	if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY)
1519 		fprintf(f, "mesh_max_inactivity=%d\n",
1520 			config->mesh_max_inactivity);
1521 
1522 	if (config->mesh_fwding != DEFAULT_MESH_FWDING)
1523 		fprintf(f, "mesh_fwding=%d\n", config->mesh_fwding);
1524 
1525 	if (config->dot11RSNASAERetransPeriod !=
1526 	    DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD)
1527 		fprintf(f, "dot11RSNASAERetransPeriod=%d\n",
1528 			config->dot11RSNASAERetransPeriod);
1529 
1530 	if (config->passive_scan)
1531 		fprintf(f, "passive_scan=%d\n", config->passive_scan);
1532 
1533 	if (config->reassoc_same_bss_optim)
1534 		fprintf(f, "reassoc_same_bss_optim=%d\n",
1535 			config->reassoc_same_bss_optim);
1536 
1537 	if (config->wps_priority)
1538 		fprintf(f, "wps_priority=%d\n", config->wps_priority);
1539 
1540 	if (config->wpa_rsc_relaxation != DEFAULT_WPA_RSC_RELAXATION)
1541 		fprintf(f, "wpa_rsc_relaxation=%d\n",
1542 			config->wpa_rsc_relaxation);
1543 
1544 	if (config->sched_scan_plans)
1545 		fprintf(f, "sched_scan_plans=%s\n", config->sched_scan_plans);
1546 
1547 #ifdef CONFIG_MBO
1548 	if (config->non_pref_chan)
1549 		fprintf(f, "non_pref_chan=%s\n", config->non_pref_chan);
1550 	if (config->mbo_cell_capa != DEFAULT_MBO_CELL_CAPA)
1551 		fprintf(f, "mbo_cell_capa=%u\n", config->mbo_cell_capa);
1552 	if (config->disassoc_imminent_rssi_threshold !=
1553 	    DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD)
1554 		fprintf(f, "disassoc_imminent_rssi_threshold=%d\n",
1555 			config->disassoc_imminent_rssi_threshold);
1556 	if (config->oce != DEFAULT_OCE_SUPPORT)
1557 		fprintf(f, "oce=%u\n", config->oce);
1558 #endif /* CONFIG_MBO */
1559 
1560 	if (config->gas_address3)
1561 		fprintf(f, "gas_address3=%d\n", config->gas_address3);
1562 
1563 	if (config->ftm_responder)
1564 		fprintf(f, "ftm_responder=%d\n", config->ftm_responder);
1565 	if (config->ftm_initiator)
1566 		fprintf(f, "ftm_initiator=%d\n", config->ftm_initiator);
1567 
1568 	if (config->osu_dir)
1569 		fprintf(f, "osu_dir=%s\n", config->osu_dir);
1570 
1571 	if (config->fst_group_id)
1572 		fprintf(f, "fst_group_id=%s\n", config->fst_group_id);
1573 	if (config->fst_priority)
1574 		fprintf(f, "fst_priority=%d\n", config->fst_priority);
1575 	if (config->fst_llt)
1576 		fprintf(f, "fst_llt=%d\n", config->fst_llt);
1577 
1578 	if (config->gas_rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
1579 		fprintf(f, "gas_rand_addr_lifetime=%u\n",
1580 			config->gas_rand_addr_lifetime);
1581 	if (config->gas_rand_mac_addr)
1582 		fprintf(f, "gas_rand_mac_addr=%d\n", config->gas_rand_mac_addr);
1583 	if (config->dpp_config_processing)
1584 		fprintf(f, "dpp_config_processing=%d\n",
1585 			config->dpp_config_processing);
1586 	if (config->dpp_name)
1587 		fprintf(f, "dpp_name=%s\n", config->dpp_name);
1588 	if (config->dpp_mud_url)
1589 		fprintf(f, "dpp_mud_url=%s\n", config->dpp_mud_url);
1590 	if (config->dpp_extra_conf_req_name)
1591 		fprintf(f, "dpp_extra_conf_req_name=%s\n",
1592 			config->dpp_extra_conf_req_name);
1593 	if (config->dpp_extra_conf_req_value)
1594 		fprintf(f, "dpp_extra_conf_req_value=%s\n",
1595 			config->dpp_extra_conf_req_value);
1596 	if (config->dpp_connector_privacy_default)
1597 		fprintf(f, "dpp_connector_privacy_default=%d\n",
1598 			config->dpp_connector_privacy_default);
1599 	if (config->coloc_intf_reporting)
1600 		fprintf(f, "coloc_intf_reporting=%d\n",
1601 			config->coloc_intf_reporting);
1602 	if (config->p2p_device_random_mac_addr)
1603 		fprintf(f, "p2p_device_random_mac_addr=%d\n",
1604 			config->p2p_device_random_mac_addr);
1605 	if (!is_zero_ether_addr(config->p2p_device_persistent_mac_addr))
1606 		fprintf(f, "p2p_device_persistent_mac_addr=" MACSTR "\n",
1607 			MAC2STR(config->p2p_device_persistent_mac_addr));
1608 	if (config->p2p_interface_random_mac_addr)
1609 		fprintf(f, "p2p_interface_random_mac_addr=%d\n",
1610 			config->p2p_interface_random_mac_addr);
1611 	if (config->disable_btm)
1612 		fprintf(f, "disable_btm=1\n");
1613 	if (config->extended_key_id != DEFAULT_EXTENDED_KEY_ID)
1614 		fprintf(f, "extended_key_id=%d\n",
1615 			config->extended_key_id);
1616 	if (config->wowlan_disconnect_on_deinit)
1617 		fprintf(f, "wowlan_disconnect_on_deinit=%d\n",
1618 			config->wowlan_disconnect_on_deinit);
1619 	if (config->rsn_overriding)
1620 		fprintf(f, "rsn_overriding=%d\n", config->rsn_overriding);
1621 #ifdef CONFIG_TESTING_OPTIONS
1622 	if (config->mld_force_single_link)
1623 		fprintf(f, "mld_force_single_link=1\n");
1624 	if (config->mld_connect_band_pref != MLD_CONNECT_BAND_PREF_AUTO)
1625 		fprintf(f, "mld_connect_band_pref=%d\n",
1626 			config->mld_connect_band_pref);
1627 	if (!is_zero_ether_addr(config->mld_connect_bssid_pref))
1628 		fprintf(f, "mld_connect_bssid_pref=" MACSTR "\n",
1629 			MAC2STR(config->mld_connect_bssid_pref));
1630 #endif /* CONFIG_TESTING_OPTIONS */
1631 	if (config->ft_prepend_pmkid)
1632 		fprintf(f, "ft_prepend_pmkid=%d", config->ft_prepend_pmkid);
1633 }
1634 
1635 #endif /* CONFIG_NO_CONFIG_WRITE */
1636 
1637 
wpa_config_write(const char * name,struct wpa_config * config)1638 int wpa_config_write(const char *name, struct wpa_config *config)
1639 {
1640 #ifndef CONFIG_NO_CONFIG_WRITE
1641 	FILE *f;
1642 	struct wpa_ssid *ssid;
1643 	struct wpa_cred *cred;
1644 #ifndef CONFIG_NO_CONFIG_BLOBS
1645 	struct wpa_config_blob *blob;
1646 #endif /* CONFIG_NO_CONFIG_BLOBS */
1647 	int ret = 0;
1648 	const char *orig_name = name;
1649 	int tmp_len;
1650 	char *tmp_name;
1651 
1652 	if (!name) {
1653 		wpa_printf(MSG_ERROR, "No configuration file for writing");
1654 		return -1;
1655 	}
1656 
1657 	tmp_len = os_strlen(name) + 5; /* allow space for .tmp suffix */
1658 	tmp_name = os_malloc(tmp_len);
1659 	if (tmp_name) {
1660 		os_snprintf(tmp_name, tmp_len, "%s.tmp", name);
1661 		name = tmp_name;
1662 	}
1663 
1664 	wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
1665 
1666 	f = fopen(name, "w");
1667 	if (f == NULL) {
1668 		wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
1669 		os_free(tmp_name);
1670 		return -1;
1671 	}
1672 
1673 	wpa_config_write_global(f, config);
1674 
1675 	for (cred = config->cred; cred; cred = cred->next) {
1676 		if (cred->temporary)
1677 			continue;
1678 		fprintf(f, "\ncred={\n");
1679 		wpa_config_write_cred(f, cred);
1680 		fprintf(f, "}\n");
1681 	}
1682 
1683 	for (ssid = config->ssid; ssid; ssid = ssid->next) {
1684 		if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary ||
1685 		    ssid->ro)
1686 			continue; /* do not save temporary networks */
1687 		if (wpa_key_mgmt_wpa_psk_no_sae(ssid->key_mgmt) &&
1688 		    !ssid->psk_set && !ssid->passphrase)
1689 			continue; /* do not save invalid network */
1690 		if (wpa_key_mgmt_sae(ssid->key_mgmt) &&
1691 		    !ssid->passphrase && !ssid->sae_password)
1692 			continue; /* do not save invalid network */
1693 		fprintf(f, "\nnetwork={\n");
1694 		wpa_config_write_network(f, ssid);
1695 		fprintf(f, "}\n");
1696 	}
1697 
1698 #ifndef CONFIG_NO_CONFIG_BLOBS
1699 	for (blob = config->blobs; blob; blob = blob->next) {
1700 		ret = wpa_config_write_blob(f, blob);
1701 		if (ret)
1702 			break;
1703 	}
1704 #endif /* CONFIG_NO_CONFIG_BLOBS */
1705 
1706 	os_fdatasync(f);
1707 
1708 	fclose(f);
1709 
1710 	if (tmp_name) {
1711 		int chmod_ret = 0;
1712 
1713 #ifdef ANDROID
1714 		chmod_ret = chmod(tmp_name,
1715 				  S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
1716 #endif /* ANDROID */
1717 		if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0)
1718 			ret = -1;
1719 
1720 		os_free(tmp_name);
1721 	}
1722 
1723 	wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
1724 		   orig_name, ret ? "un" : "");
1725 	return ret;
1726 #else /* CONFIG_NO_CONFIG_WRITE */
1727 	return -1;
1728 #endif /* CONFIG_NO_CONFIG_WRITE */
1729 }
1730