xref: /freebsd/contrib/wpa/wpa_supplicant/config.c (revision c1d255d3)
1 /*
2  * WPA Supplicant / Configuration parser and common functions
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 
9 #include "includes.h"
10 
11 #include "common.h"
12 #include "utils/uuid.h"
13 #include "utils/ip_addr.h"
14 #include "common/ieee802_1x_defs.h"
15 #include "common/sae.h"
16 #include "crypto/sha1.h"
17 #include "rsn_supp/wpa.h"
18 #include "eap_peer/eap.h"
19 #include "p2p/p2p.h"
20 #include "fst/fst.h"
21 #include "config.h"
22 
23 
24 #if !defined(CONFIG_CTRL_IFACE) && defined(CONFIG_NO_CONFIG_WRITE)
25 #define NO_CONFIG_WRITE
26 #endif
27 
28 /*
29  * Structure for network configuration parsing. This data is used to implement
30  * a generic parser for each network block variable. The table of configuration
31  * variables is defined below in this file (ssid_fields[]).
32  */
33 struct parse_data {
34 	/* Configuration variable name */
35 	char *name;
36 
37 	/* Parser function for this variable. The parser functions return 0 or 1
38 	 * to indicate success. Value 0 indicates that the parameter value may
39 	 * have changed while value 1 means that the value did not change.
40 	 * Error cases (failure to parse the string) are indicated by returning
41 	 * -1. */
42 	int (*parser)(const struct parse_data *data, struct wpa_ssid *ssid,
43 		      int line, const char *value);
44 
45 #ifndef NO_CONFIG_WRITE
46 	/* Writer function (i.e., to get the variable in text format from
47 	 * internal presentation). */
48 	char * (*writer)(const struct parse_data *data, struct wpa_ssid *ssid);
49 #endif /* NO_CONFIG_WRITE */
50 
51 	/* Variable specific parameters for the parser. */
52 	void *param1, *param2, *param3, *param4;
53 
54 	/* 0 = this variable can be included in debug output and ctrl_iface
55 	 * 1 = this variable contains key/private data and it must not be
56 	 *     included in debug output unless explicitly requested. In
57 	 *     addition, this variable will not be readable through the
58 	 *     ctrl_iface.
59 	 */
60 	int key_data;
61 };
62 
63 
64 static int wpa_config_parse_str(const struct parse_data *data,
65 				struct wpa_ssid *ssid,
66 				int line, const char *value)
67 {
68 	size_t res_len, *dst_len, prev_len;
69 	char **dst, *tmp;
70 
71 	if (os_strcmp(value, "NULL") == 0) {
72 		wpa_printf(MSG_DEBUG, "Unset configuration string '%s'",
73 			   data->name);
74 		tmp = NULL;
75 		res_len = 0;
76 		goto set;
77 	}
78 
79 	tmp = wpa_config_parse_string(value, &res_len);
80 	if (tmp == NULL) {
81 		wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.",
82 			   line, data->name,
83 			   data->key_data ? "[KEY DATA REMOVED]" : value);
84 		return -1;
85 	}
86 
87 	if (data->key_data) {
88 		wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
89 				      (u8 *) tmp, res_len);
90 	} else {
91 		wpa_hexdump_ascii(MSG_MSGDUMP, data->name,
92 				  (u8 *) tmp, res_len);
93 	}
94 
95 	if (data->param3 && res_len < (size_t) data->param3) {
96 		wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
97 			   "min_len=%ld)", line, data->name,
98 			   (unsigned long) res_len, (long) data->param3);
99 		os_free(tmp);
100 		return -1;
101 	}
102 
103 	if (data->param4 && res_len > (size_t) data->param4) {
104 		wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
105 			   "max_len=%ld)", line, data->name,
106 			   (unsigned long) res_len, (long) data->param4);
107 		os_free(tmp);
108 		return -1;
109 	}
110 
111 set:
112 	dst = (char **) (((u8 *) ssid) + (long) data->param1);
113 	dst_len = (size_t *) (((u8 *) ssid) + (long) data->param2);
114 
115 	if (data->param2)
116 		prev_len = *dst_len;
117 	else if (*dst)
118 		prev_len = os_strlen(*dst);
119 	else
120 		prev_len = 0;
121 	if ((*dst == NULL && tmp == NULL) ||
122 	    (*dst && tmp && prev_len == res_len &&
123 	     os_memcmp(*dst, tmp, res_len) == 0)) {
124 		/* No change to the previously configured value */
125 		os_free(tmp);
126 		return 1;
127 	}
128 
129 	os_free(*dst);
130 	*dst = tmp;
131 	if (data->param2)
132 		*dst_len = res_len;
133 
134 	return 0;
135 }
136 
137 
138 #ifndef NO_CONFIG_WRITE
139 static char * wpa_config_write_string_ascii(const u8 *value, size_t len)
140 {
141 	char *buf;
142 
143 	buf = os_malloc(len + 3);
144 	if (buf == NULL)
145 		return NULL;
146 	buf[0] = '"';
147 	os_memcpy(buf + 1, value, len);
148 	buf[len + 1] = '"';
149 	buf[len + 2] = '\0';
150 
151 	return buf;
152 }
153 
154 
155 static char * wpa_config_write_string_hex(const u8 *value, size_t len)
156 {
157 	char *buf;
158 
159 	buf = os_zalloc(2 * len + 1);
160 	if (buf == NULL)
161 		return NULL;
162 	wpa_snprintf_hex(buf, 2 * len + 1, value, len);
163 
164 	return buf;
165 }
166 
167 
168 static char * wpa_config_write_string(const u8 *value, size_t len)
169 {
170 	if (value == NULL)
171 		return NULL;
172 
173 	if (is_hex(value, len))
174 		return wpa_config_write_string_hex(value, len);
175 	else
176 		return wpa_config_write_string_ascii(value, len);
177 }
178 
179 
180 static char * wpa_config_write_str(const struct parse_data *data,
181 				   struct wpa_ssid *ssid)
182 {
183 	size_t len;
184 	char **src;
185 
186 	src = (char **) (((u8 *) ssid) + (long) data->param1);
187 	if (*src == NULL)
188 		return NULL;
189 
190 	if (data->param2)
191 		len = *((size_t *) (((u8 *) ssid) + (long) data->param2));
192 	else
193 		len = os_strlen(*src);
194 
195 	return wpa_config_write_string((const u8 *) *src, len);
196 }
197 #endif /* NO_CONFIG_WRITE */
198 
199 
200 static int wpa_config_parse_int(const struct parse_data *data,
201 				struct wpa_ssid *ssid,
202 				int line, const char *value)
203 {
204 	int val, *dst;
205 	char *end;
206 
207 	dst = (int *) (((u8 *) ssid) + (long) data->param1);
208 	val = strtol(value, &end, 0);
209 	if (*end) {
210 		wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
211 			   line, value);
212 		return -1;
213 	}
214 
215 	if (*dst == val)
216 		return 1;
217 	*dst = val;
218 	wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst);
219 
220 	if (data->param3 && *dst < (long) data->param3) {
221 		wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
222 			   "min_value=%ld)", line, data->name, *dst,
223 			   (long) data->param3);
224 		*dst = (long) data->param3;
225 		return -1;
226 	}
227 
228 	if (data->param4 && *dst > (long) data->param4) {
229 		wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
230 			   "max_value=%ld)", line, data->name, *dst,
231 			   (long) data->param4);
232 		*dst = (long) data->param4;
233 		return -1;
234 	}
235 
236 	return 0;
237 }
238 
239 
240 #ifndef NO_CONFIG_WRITE
241 static char * wpa_config_write_int(const struct parse_data *data,
242 				   struct wpa_ssid *ssid)
243 {
244 	int *src, res;
245 	char *value;
246 
247 	src = (int *) (((u8 *) ssid) + (long) data->param1);
248 
249 	value = os_malloc(20);
250 	if (value == NULL)
251 		return NULL;
252 	res = os_snprintf(value, 20, "%d", *src);
253 	if (os_snprintf_error(20, res)) {
254 		os_free(value);
255 		return NULL;
256 	}
257 	value[20 - 1] = '\0';
258 	return value;
259 }
260 #endif /* NO_CONFIG_WRITE */
261 
262 
263 static int wpa_config_parse_addr_list(const struct parse_data *data,
264 				      int line, const char *value,
265 				      u8 **list, size_t *num, char *name,
266 				      u8 abort_on_error, u8 masked)
267 {
268 	const char *pos;
269 	u8 *buf, *n, addr[2 * ETH_ALEN];
270 	size_t count;
271 
272 	buf = NULL;
273 	count = 0;
274 
275 	pos = value;
276 	while (pos && *pos) {
277 		while (*pos == ' ')
278 			pos++;
279 
280 		if (hwaddr_masked_aton(pos, addr, &addr[ETH_ALEN], masked)) {
281 			if (abort_on_error || count == 0) {
282 				wpa_printf(MSG_ERROR,
283 					   "Line %d: Invalid %s address '%s'",
284 					   line, name, value);
285 				os_free(buf);
286 				return -1;
287 			}
288 			/* continue anyway since this could have been from a
289 			 * truncated configuration file line */
290 			wpa_printf(MSG_INFO,
291 				   "Line %d: Ignore likely truncated %s address '%s'",
292 				   line, name, pos);
293 		} else {
294 			n = os_realloc_array(buf, count + 1, 2 * ETH_ALEN);
295 			if (n == NULL) {
296 				os_free(buf);
297 				return -1;
298 			}
299 			buf = n;
300 			os_memmove(buf + 2 * ETH_ALEN, buf,
301 				   count * 2 * ETH_ALEN);
302 			os_memcpy(buf, addr, 2 * ETH_ALEN);
303 			count++;
304 			wpa_printf(MSG_MSGDUMP,
305 				   "%s: addr=" MACSTR " mask=" MACSTR,
306 				   name, MAC2STR(addr),
307 				   MAC2STR(&addr[ETH_ALEN]));
308 		}
309 
310 		pos = os_strchr(pos, ' ');
311 	}
312 
313 	os_free(*list);
314 	*list = buf;
315 	*num = count;
316 
317 	return 0;
318 }
319 
320 
321 #ifndef NO_CONFIG_WRITE
322 static char * wpa_config_write_addr_list(const struct parse_data *data,
323 					 const u8 *list, size_t num, char *name)
324 {
325 	char *value, *end, *pos;
326 	int res;
327 	size_t i;
328 
329 	if (list == NULL || num == 0)
330 		return NULL;
331 
332 	value = os_malloc(2 * 20 * num);
333 	if (value == NULL)
334 		return NULL;
335 	pos = value;
336 	end = value + 2 * 20 * num;
337 
338 	for (i = num; i > 0; i--) {
339 		const u8 *a = list + (i - 1) * 2 * ETH_ALEN;
340 		const u8 *m = a + ETH_ALEN;
341 
342 		if (i < num)
343 			*pos++ = ' ';
344 		res = hwaddr_mask_txt(pos, end - pos, a, m);
345 		if (res < 0) {
346 			os_free(value);
347 			return NULL;
348 		}
349 		pos += res;
350 	}
351 
352 	return value;
353 }
354 #endif /* NO_CONFIG_WRITE */
355 
356 static int wpa_config_parse_bssid(const struct parse_data *data,
357 				  struct wpa_ssid *ssid, int line,
358 				  const char *value)
359 {
360 	if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
361 	    os_strcmp(value, "any") == 0) {
362 		ssid->bssid_set = 0;
363 		wpa_printf(MSG_MSGDUMP, "BSSID any");
364 		return 0;
365 	}
366 	if (hwaddr_aton(value, ssid->bssid)) {
367 		wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.",
368 			   line, value);
369 		return -1;
370 	}
371 	ssid->bssid_set = 1;
372 	wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN);
373 	return 0;
374 }
375 
376 
377 #ifndef NO_CONFIG_WRITE
378 static char * wpa_config_write_bssid(const struct parse_data *data,
379 				     struct wpa_ssid *ssid)
380 {
381 	char *value;
382 	int res;
383 
384 	if (!ssid->bssid_set)
385 		return NULL;
386 
387 	value = os_malloc(20);
388 	if (value == NULL)
389 		return NULL;
390 	res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid));
391 	if (os_snprintf_error(20, res)) {
392 		os_free(value);
393 		return NULL;
394 	}
395 	value[20 - 1] = '\0';
396 	return value;
397 }
398 #endif /* NO_CONFIG_WRITE */
399 
400 
401 static int wpa_config_parse_bssid_hint(const struct parse_data *data,
402 				       struct wpa_ssid *ssid, int line,
403 				       const char *value)
404 {
405 	if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
406 	    os_strcmp(value, "any") == 0) {
407 		ssid->bssid_hint_set = 0;
408 		wpa_printf(MSG_MSGDUMP, "BSSID hint any");
409 		return 0;
410 	}
411 	if (hwaddr_aton(value, ssid->bssid_hint)) {
412 		wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID hint '%s'.",
413 			   line, value);
414 		return -1;
415 	}
416 	ssid->bssid_hint_set = 1;
417 	wpa_hexdump(MSG_MSGDUMP, "BSSID hint", ssid->bssid_hint, ETH_ALEN);
418 	return 0;
419 }
420 
421 
422 #ifndef NO_CONFIG_WRITE
423 static char * wpa_config_write_bssid_hint(const struct parse_data *data,
424 					  struct wpa_ssid *ssid)
425 {
426 	char *value;
427 	int res;
428 
429 	if (!ssid->bssid_hint_set)
430 		return NULL;
431 
432 	value = os_malloc(20);
433 	if (!value)
434 		return NULL;
435 	res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid_hint));
436 	if (os_snprintf_error(20, res)) {
437 		os_free(value);
438 		return NULL;
439 	}
440 	return value;
441 }
442 #endif /* NO_CONFIG_WRITE */
443 
444 
445 static int wpa_config_parse_bssid_ignore(const struct parse_data *data,
446 					 struct wpa_ssid *ssid, int line,
447 					 const char *value)
448 {
449 	return wpa_config_parse_addr_list(data, line, value,
450 					  &ssid->bssid_ignore,
451 					  &ssid->num_bssid_ignore,
452 					  "bssid_ignore", 1, 1);
453 }
454 
455 
456 /* deprecated alias for bssid_ignore for backwards compatibility */
457 static int wpa_config_parse_bssid_blacklist(const struct parse_data *data,
458 					    struct wpa_ssid *ssid, int line,
459 					    const char *value)
460 {
461 	return wpa_config_parse_addr_list(data, line, value,
462 					  &ssid->bssid_ignore,
463 					  &ssid->num_bssid_ignore,
464 					  "bssid_ignore", 1, 1);
465 }
466 
467 
468 #ifndef NO_CONFIG_WRITE
469 
470 static char * wpa_config_write_bssid_ignore(const struct parse_data *data,
471 					    struct wpa_ssid *ssid)
472 {
473 	return wpa_config_write_addr_list(data, ssid->bssid_ignore,
474 					  ssid->num_bssid_ignore,
475 					  "bssid_ignore");
476 }
477 
478 
479 /* deprecated alias for bssid_ignore for backwards compatibility */
480 static char * wpa_config_write_bssid_blacklist(const struct parse_data *data,
481 					       struct wpa_ssid *ssid)
482 {
483 	return wpa_config_write_addr_list(data, ssid->bssid_ignore,
484 					  ssid->num_bssid_ignore,
485 					  "bssid_ignore");
486 }
487 
488 #endif /* NO_CONFIG_WRITE */
489 
490 
491 static int wpa_config_parse_bssid_accept(const struct parse_data *data,
492 					 struct wpa_ssid *ssid, int line,
493 					 const char *value)
494 {
495 	return wpa_config_parse_addr_list(data, line, value,
496 					  &ssid->bssid_accept,
497 					  &ssid->num_bssid_accept,
498 					  "bssid_accept", 1, 1);
499 }
500 
501 
502 /* deprecated alias for bssid_accept for backwards compatibility */
503 static int wpa_config_parse_bssid_whitelist(const struct parse_data *data,
504 					    struct wpa_ssid *ssid, int line,
505 					    const char *value)
506 {
507 	return wpa_config_parse_addr_list(data, line, value,
508 					  &ssid->bssid_accept,
509 					  &ssid->num_bssid_accept,
510 					  "bssid_accept", 1, 1);
511 }
512 
513 
514 #ifndef NO_CONFIG_WRITE
515 
516 static char * wpa_config_write_bssid_accept(const struct parse_data *data,
517 					    struct wpa_ssid *ssid)
518 {
519 	return wpa_config_write_addr_list(data, ssid->bssid_accept,
520 					  ssid->num_bssid_accept,
521 					  "bssid_accept");
522 }
523 
524 
525 /* deprecated alias for bssid_accept for backwards compatibility */
526 static char * wpa_config_write_bssid_whitelist(const struct parse_data *data,
527 					       struct wpa_ssid *ssid)
528 {
529 	return wpa_config_write_addr_list(data, ssid->bssid_accept,
530 					  ssid->num_bssid_accept,
531 					  "bssid_accept");
532 }
533 
534 #endif /* NO_CONFIG_WRITE */
535 
536 
537 #ifndef NO_CONFIG_WRITE
538 #endif /* NO_CONFIG_WRITE */
539 
540 
541 static int wpa_config_parse_psk(const struct parse_data *data,
542 				struct wpa_ssid *ssid, int line,
543 				const char *value)
544 {
545 #ifdef CONFIG_EXT_PASSWORD
546 	if (os_strncmp(value, "ext:", 4) == 0) {
547 		str_clear_free(ssid->passphrase);
548 		ssid->passphrase = NULL;
549 		ssid->psk_set = 0;
550 		os_free(ssid->ext_psk);
551 		ssid->ext_psk = os_strdup(value + 4);
552 		if (ssid->ext_psk == NULL)
553 			return -1;
554 		wpa_printf(MSG_DEBUG, "PSK: External password '%s'",
555 			   ssid->ext_psk);
556 		return 0;
557 	}
558 #endif /* CONFIG_EXT_PASSWORD */
559 
560 	if (*value == '"') {
561 #ifndef CONFIG_NO_PBKDF2
562 		const char *pos;
563 		size_t len;
564 
565 		value++;
566 		pos = os_strrchr(value, '"');
567 		if (pos)
568 			len = pos - value;
569 		else
570 			len = os_strlen(value);
571 		if (len < 8 || len > 63) {
572 			wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase "
573 				   "length %lu (expected: 8..63) '%s'.",
574 				   line, (unsigned long) len, value);
575 			return -1;
576 		}
577 		wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)",
578 				      (u8 *) value, len);
579 		if (has_ctrl_char((u8 *) value, len)) {
580 			wpa_printf(MSG_ERROR,
581 				   "Line %d: Invalid passphrase character",
582 				   line);
583 			return -1;
584 		}
585 		if (ssid->passphrase && os_strlen(ssid->passphrase) == len &&
586 		    os_memcmp(ssid->passphrase, value, len) == 0) {
587 			/* No change to the previously configured value */
588 			return 1;
589 		}
590 		ssid->psk_set = 0;
591 		str_clear_free(ssid->passphrase);
592 		ssid->passphrase = dup_binstr(value, len);
593 		if (ssid->passphrase == NULL)
594 			return -1;
595 		return 0;
596 #else /* CONFIG_NO_PBKDF2 */
597 		wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not "
598 			   "supported.", line);
599 		return -1;
600 #endif /* CONFIG_NO_PBKDF2 */
601 	}
602 
603 	if (hexstr2bin(value, ssid->psk, PMK_LEN) ||
604 	    value[PMK_LEN * 2] != '\0') {
605 		wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
606 			   line, value);
607 		return -1;
608 	}
609 
610 	str_clear_free(ssid->passphrase);
611 	ssid->passphrase = NULL;
612 
613 	ssid->psk_set = 1;
614 	wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN);
615 	return 0;
616 }
617 
618 
619 #ifndef NO_CONFIG_WRITE
620 static char * wpa_config_write_psk(const struct parse_data *data,
621 				   struct wpa_ssid *ssid)
622 {
623 #ifdef CONFIG_EXT_PASSWORD
624 	if (ssid->ext_psk) {
625 		size_t len = 4 + os_strlen(ssid->ext_psk) + 1;
626 		char *buf = os_malloc(len);
627 		int res;
628 
629 		if (buf == NULL)
630 			return NULL;
631 		res = os_snprintf(buf, len, "ext:%s", ssid->ext_psk);
632 		if (os_snprintf_error(len, res)) {
633 			os_free(buf);
634 			buf = NULL;
635 		}
636 		return buf;
637 	}
638 #endif /* CONFIG_EXT_PASSWORD */
639 
640 	if (ssid->passphrase)
641 		return wpa_config_write_string_ascii(
642 			(const u8 *) ssid->passphrase,
643 			os_strlen(ssid->passphrase));
644 
645 	if (ssid->psk_set)
646 		return wpa_config_write_string_hex(ssid->psk, PMK_LEN);
647 
648 	return NULL;
649 }
650 #endif /* NO_CONFIG_WRITE */
651 
652 
653 static int wpa_config_parse_proto(const struct parse_data *data,
654 				  struct wpa_ssid *ssid, int line,
655 				  const char *value)
656 {
657 	int val = 0, last, errors = 0;
658 	char *start, *end, *buf;
659 
660 	buf = os_strdup(value);
661 	if (buf == NULL)
662 		return -1;
663 	start = buf;
664 
665 	while (*start != '\0') {
666 		while (*start == ' ' || *start == '\t')
667 			start++;
668 		if (*start == '\0')
669 			break;
670 		end = start;
671 		while (*end != ' ' && *end != '\t' && *end != '\0')
672 			end++;
673 		last = *end == '\0';
674 		*end = '\0';
675 		if (os_strcmp(start, "WPA") == 0)
676 			val |= WPA_PROTO_WPA;
677 		else if (os_strcmp(start, "RSN") == 0 ||
678 			 os_strcmp(start, "WPA2") == 0)
679 			val |= WPA_PROTO_RSN;
680 		else if (os_strcmp(start, "OSEN") == 0)
681 			val |= WPA_PROTO_OSEN;
682 		else {
683 			wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'",
684 				   line, start);
685 			errors++;
686 		}
687 
688 		if (last)
689 			break;
690 		start = end + 1;
691 	}
692 	os_free(buf);
693 
694 	if (val == 0) {
695 		wpa_printf(MSG_ERROR,
696 			   "Line %d: no proto values configured.", line);
697 		errors++;
698 	}
699 
700 	if (!errors && ssid->proto == val)
701 		return 1;
702 	wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val);
703 	ssid->proto = val;
704 	return errors ? -1 : 0;
705 }
706 
707 
708 #ifndef NO_CONFIG_WRITE
709 static char * wpa_config_write_proto(const struct parse_data *data,
710 				     struct wpa_ssid *ssid)
711 {
712 	int ret;
713 	char *buf, *pos, *end;
714 
715 	pos = buf = os_zalloc(20);
716 	if (buf == NULL)
717 		return NULL;
718 	end = buf + 20;
719 
720 	if (ssid->proto & WPA_PROTO_WPA) {
721 		ret = os_snprintf(pos, end - pos, "%sWPA",
722 				  pos == buf ? "" : " ");
723 		if (os_snprintf_error(end - pos, ret))
724 			return buf;
725 		pos += ret;
726 	}
727 
728 	if (ssid->proto & WPA_PROTO_RSN) {
729 		ret = os_snprintf(pos, end - pos, "%sRSN",
730 				  pos == buf ? "" : " ");
731 		if (os_snprintf_error(end - pos, ret))
732 			return buf;
733 		pos += ret;
734 	}
735 
736 	if (ssid->proto & WPA_PROTO_OSEN) {
737 		ret = os_snprintf(pos, end - pos, "%sOSEN",
738 				  pos == buf ? "" : " ");
739 		if (os_snprintf_error(end - pos, ret))
740 			return buf;
741 		pos += ret;
742 	}
743 
744 	if (pos == buf) {
745 		os_free(buf);
746 		buf = NULL;
747 	}
748 
749 	return buf;
750 }
751 #endif /* NO_CONFIG_WRITE */
752 
753 
754 static int wpa_config_parse_key_mgmt(const struct parse_data *data,
755 				     struct wpa_ssid *ssid, int line,
756 				     const char *value)
757 {
758 	int val = 0, last, errors = 0;
759 	char *start, *end, *buf;
760 
761 	buf = os_strdup(value);
762 	if (buf == NULL)
763 		return -1;
764 	start = buf;
765 
766 	while (*start != '\0') {
767 		while (*start == ' ' || *start == '\t')
768 			start++;
769 		if (*start == '\0')
770 			break;
771 		end = start;
772 		while (*end != ' ' && *end != '\t' && *end != '\0')
773 			end++;
774 		last = *end == '\0';
775 		*end = '\0';
776 		if (os_strcmp(start, "WPA-PSK") == 0)
777 			val |= WPA_KEY_MGMT_PSK;
778 		else if (os_strcmp(start, "WPA-EAP") == 0)
779 			val |= WPA_KEY_MGMT_IEEE8021X;
780 		else if (os_strcmp(start, "IEEE8021X") == 0)
781 			val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA;
782 		else if (os_strcmp(start, "NONE") == 0)
783 			val |= WPA_KEY_MGMT_NONE;
784 		else if (os_strcmp(start, "WPA-NONE") == 0)
785 			val |= WPA_KEY_MGMT_WPA_NONE;
786 #ifdef CONFIG_IEEE80211R
787 		else if (os_strcmp(start, "FT-PSK") == 0)
788 			val |= WPA_KEY_MGMT_FT_PSK;
789 		else if (os_strcmp(start, "FT-EAP") == 0)
790 			val |= WPA_KEY_MGMT_FT_IEEE8021X;
791 #ifdef CONFIG_SHA384
792 		else if (os_strcmp(start, "FT-EAP-SHA384") == 0)
793 			val |= WPA_KEY_MGMT_FT_IEEE8021X_SHA384;
794 #endif /* CONFIG_SHA384 */
795 #endif /* CONFIG_IEEE80211R */
796 		else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
797 			val |= WPA_KEY_MGMT_PSK_SHA256;
798 		else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
799 			val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
800 #ifdef CONFIG_WPS
801 		else if (os_strcmp(start, "WPS") == 0)
802 			val |= WPA_KEY_MGMT_WPS;
803 #endif /* CONFIG_WPS */
804 #ifdef CONFIG_SAE
805 		else if (os_strcmp(start, "SAE") == 0)
806 			val |= WPA_KEY_MGMT_SAE;
807 		else if (os_strcmp(start, "FT-SAE") == 0)
808 			val |= WPA_KEY_MGMT_FT_SAE;
809 #endif /* CONFIG_SAE */
810 #ifdef CONFIG_HS20
811 		else if (os_strcmp(start, "OSEN") == 0)
812 			val |= WPA_KEY_MGMT_OSEN;
813 #endif /* CONFIG_HS20 */
814 #ifdef CONFIG_SUITEB
815 		else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0)
816 			val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B;
817 #endif /* CONFIG_SUITEB */
818 #ifdef CONFIG_SUITEB192
819 		else if (os_strcmp(start, "WPA-EAP-SUITE-B-192") == 0)
820 			val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192;
821 #endif /* CONFIG_SUITEB192 */
822 #ifdef CONFIG_FILS
823 		else if (os_strcmp(start, "FILS-SHA256") == 0)
824 			val |= WPA_KEY_MGMT_FILS_SHA256;
825 		else if (os_strcmp(start, "FILS-SHA384") == 0)
826 			val |= WPA_KEY_MGMT_FILS_SHA384;
827 #ifdef CONFIG_IEEE80211R
828 		else if (os_strcmp(start, "FT-FILS-SHA256") == 0)
829 			val |= WPA_KEY_MGMT_FT_FILS_SHA256;
830 		else if (os_strcmp(start, "FT-FILS-SHA384") == 0)
831 			val |= WPA_KEY_MGMT_FT_FILS_SHA384;
832 #endif /* CONFIG_IEEE80211R */
833 #endif /* CONFIG_FILS */
834 #ifdef CONFIG_OWE
835 		else if (os_strcmp(start, "OWE") == 0)
836 			val |= WPA_KEY_MGMT_OWE;
837 #endif /* CONFIG_OWE */
838 #ifdef CONFIG_DPP
839 		else if (os_strcmp(start, "DPP") == 0)
840 			val |= WPA_KEY_MGMT_DPP;
841 #endif /* CONFIG_DPP */
842 		else {
843 			wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
844 				   line, start);
845 			errors++;
846 		}
847 
848 		if (last)
849 			break;
850 		start = end + 1;
851 	}
852 	os_free(buf);
853 
854 	if (val == 0) {
855 		wpa_printf(MSG_ERROR,
856 			   "Line %d: no key_mgmt values configured.", line);
857 		errors++;
858 	}
859 
860 	if (!errors && ssid->key_mgmt == val)
861 		return 1;
862 	wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val);
863 	ssid->key_mgmt = val;
864 	return errors ? -1 : 0;
865 }
866 
867 
868 #ifndef NO_CONFIG_WRITE
869 static char * wpa_config_write_key_mgmt(const struct parse_data *data,
870 					struct wpa_ssid *ssid)
871 {
872 	char *buf, *pos, *end;
873 	int ret;
874 
875 	pos = buf = os_zalloc(100);
876 	if (buf == NULL)
877 		return NULL;
878 	end = buf + 100;
879 
880 	if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
881 		ret = os_snprintf(pos, end - pos, "%sWPA-PSK",
882 				  pos == buf ? "" : " ");
883 		if (os_snprintf_error(end - pos, ret)) {
884 			end[-1] = '\0';
885 			return buf;
886 		}
887 		pos += ret;
888 	}
889 
890 	if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
891 		ret = os_snprintf(pos, end - pos, "%sWPA-EAP",
892 				  pos == buf ? "" : " ");
893 		if (os_snprintf_error(end - pos, ret)) {
894 			end[-1] = '\0';
895 			return buf;
896 		}
897 		pos += ret;
898 	}
899 
900 	if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
901 		ret = os_snprintf(pos, end - pos, "%sIEEE8021X",
902 				  pos == buf ? "" : " ");
903 		if (os_snprintf_error(end - pos, ret)) {
904 			end[-1] = '\0';
905 			return buf;
906 		}
907 		pos += ret;
908 	}
909 
910 	if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) {
911 		ret = os_snprintf(pos, end - pos, "%sNONE",
912 				  pos == buf ? "" : " ");
913 		if (os_snprintf_error(end - pos, ret)) {
914 			end[-1] = '\0';
915 			return buf;
916 		}
917 		pos += ret;
918 	}
919 
920 	if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
921 		ret = os_snprintf(pos, end - pos, "%sWPA-NONE",
922 				  pos == buf ? "" : " ");
923 		if (os_snprintf_error(end - pos, ret)) {
924 			end[-1] = '\0';
925 			return buf;
926 		}
927 		pos += ret;
928 	}
929 
930 #ifdef CONFIG_IEEE80211R
931 	if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK) {
932 		ret = os_snprintf(pos, end - pos, "%sFT-PSK",
933 				  pos == buf ? "" : " ");
934 		if (os_snprintf_error(end - pos, ret)) {
935 			end[-1] = '\0';
936 			return buf;
937 		}
938 		pos += ret;
939 	}
940 
941 	if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
942 		ret = os_snprintf(pos, end - pos, "%sFT-EAP",
943 				  pos == buf ? "" : " ");
944 		if (os_snprintf_error(end - pos, ret)) {
945 			end[-1] = '\0';
946 			return buf;
947 		}
948 		pos += ret;
949 	}
950 
951 #ifdef CONFIG_SHA384
952 	if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X_SHA384) {
953 		ret = os_snprintf(pos, end - pos, "%sFT-EAP-SHA384",
954 				  pos == buf ? "" : " ");
955 		if (os_snprintf_error(end - pos, ret)) {
956 			end[-1] = '\0';
957 			return buf;
958 		}
959 		pos += ret;
960 	}
961 #endif /* CONFIG_SHA384 */
962 #endif /* CONFIG_IEEE80211R */
963 
964 	if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
965 		ret = os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256",
966 				  pos == buf ? "" : " ");
967 		if (os_snprintf_error(end - pos, ret)) {
968 			end[-1] = '\0';
969 			return buf;
970 		}
971 		pos += ret;
972 	}
973 
974 	if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
975 		ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256",
976 				  pos == buf ? "" : " ");
977 		if (os_snprintf_error(end - pos, ret)) {
978 			end[-1] = '\0';
979 			return buf;
980 		}
981 		pos += ret;
982 	}
983 
984 #ifdef CONFIG_WPS
985 	if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
986 		ret = os_snprintf(pos, end - pos, "%sWPS",
987 				  pos == buf ? "" : " ");
988 		if (os_snprintf_error(end - pos, ret)) {
989 			end[-1] = '\0';
990 			return buf;
991 		}
992 		pos += ret;
993 	}
994 #endif /* CONFIG_WPS */
995 
996 #ifdef CONFIG_SAE
997 	if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
998 		ret = os_snprintf(pos, end - pos, "%sSAE",
999 				  pos == buf ? "" : " ");
1000 		if (os_snprintf_error(end - pos, ret)) {
1001 			end[-1] = '\0';
1002 			return buf;
1003 		}
1004 		pos += ret;
1005 	}
1006 
1007 	if (ssid->key_mgmt & WPA_KEY_MGMT_FT_SAE) {
1008 		ret = os_snprintf(pos, end - pos, "%sFT-SAE",
1009 				  pos == buf ? "" : " ");
1010 		if (os_snprintf_error(end - pos, ret)) {
1011 			end[-1] = '\0';
1012 			return buf;
1013 		}
1014 		pos += ret;
1015 	}
1016 #endif /* CONFIG_SAE */
1017 
1018 #ifdef CONFIG_HS20
1019 	if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) {
1020 		ret = os_snprintf(pos, end - pos, "%sOSEN",
1021 				  pos == buf ? "" : " ");
1022 		if (os_snprintf_error(end - pos, ret)) {
1023 			end[-1] = '\0';
1024 			return buf;
1025 		}
1026 		pos += ret;
1027 	}
1028 #endif /* CONFIG_HS20 */
1029 
1030 #ifdef CONFIG_SUITEB
1031 	if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
1032 		ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B",
1033 				  pos == buf ? "" : " ");
1034 		if (os_snprintf_error(end - pos, ret)) {
1035 			end[-1] = '\0';
1036 			return buf;
1037 		}
1038 		pos += ret;
1039 	}
1040 #endif /* CONFIG_SUITEB */
1041 
1042 #ifdef CONFIG_SUITEB192
1043 	if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
1044 		ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B-192",
1045 				  pos == buf ? "" : " ");
1046 		if (os_snprintf_error(end - pos, ret)) {
1047 			end[-1] = '\0';
1048 			return buf;
1049 		}
1050 		pos += ret;
1051 	}
1052 #endif /* CONFIG_SUITEB192 */
1053 
1054 #ifdef CONFIG_FILS
1055 	if (ssid->key_mgmt & WPA_KEY_MGMT_FILS_SHA256) {
1056 		ret = os_snprintf(pos, end - pos, "%sFILS-SHA256",
1057 				  pos == buf ? "" : " ");
1058 		if (os_snprintf_error(end - pos, ret)) {
1059 			end[-1] = '\0';
1060 			return buf;
1061 		}
1062 		pos += ret;
1063 	}
1064 	if (ssid->key_mgmt & WPA_KEY_MGMT_FILS_SHA384) {
1065 		ret = os_snprintf(pos, end - pos, "%sFILS-SHA384",
1066 				  pos == buf ? "" : " ");
1067 		if (os_snprintf_error(end - pos, ret)) {
1068 			end[-1] = '\0';
1069 			return buf;
1070 		}
1071 		pos += ret;
1072 	}
1073 #ifdef CONFIG_IEEE80211R
1074 	if (ssid->key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA256) {
1075 		ret = os_snprintf(pos, end - pos, "%sFT-FILS-SHA256",
1076 				  pos == buf ? "" : " ");
1077 		if (os_snprintf_error(end - pos, ret)) {
1078 			end[-1] = '\0';
1079 			return buf;
1080 		}
1081 		pos += ret;
1082 	}
1083 	if (ssid->key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA384) {
1084 		ret = os_snprintf(pos, end - pos, "%sFT-FILS-SHA384",
1085 				  pos == buf ? "" : " ");
1086 		if (os_snprintf_error(end - pos, ret)) {
1087 			end[-1] = '\0';
1088 			return buf;
1089 		}
1090 		pos += ret;
1091 	}
1092 #endif /* CONFIG_IEEE80211R */
1093 #endif /* CONFIG_FILS */
1094 
1095 #ifdef CONFIG_DPP
1096 	if (ssid->key_mgmt & WPA_KEY_MGMT_DPP) {
1097 		ret = os_snprintf(pos, end - pos, "%sDPP",
1098 				  pos == buf ? "" : " ");
1099 		if (os_snprintf_error(end - pos, ret)) {
1100 			end[-1] = '\0';
1101 			return buf;
1102 		}
1103 		pos += ret;
1104 	}
1105 #endif /* CONFIG_DPP */
1106 
1107 #ifdef CONFIG_OWE
1108 	if (ssid->key_mgmt & WPA_KEY_MGMT_OWE) {
1109 		ret = os_snprintf(pos, end - pos, "%sOWE",
1110 				  pos == buf ? "" : " ");
1111 		if (os_snprintf_error(end - pos, ret)) {
1112 			end[-1] = '\0';
1113 			return buf;
1114 		}
1115 		pos += ret;
1116 	}
1117 #endif /* CONFIG_OWE */
1118 
1119 	if (pos == buf) {
1120 		os_free(buf);
1121 		buf = NULL;
1122 	}
1123 
1124 	return buf;
1125 }
1126 #endif /* NO_CONFIG_WRITE */
1127 
1128 
1129 static int wpa_config_parse_cipher(int line, const char *value)
1130 {
1131 #ifdef CONFIG_NO_WPA
1132 	return -1;
1133 #else /* CONFIG_NO_WPA */
1134 	int val = wpa_parse_cipher(value);
1135 	if (val < 0) {
1136 		wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
1137 			   line, value);
1138 		return -1;
1139 	}
1140 	if (val == 0) {
1141 		wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
1142 			   line);
1143 		return -1;
1144 	}
1145 	return val;
1146 #endif /* CONFIG_NO_WPA */
1147 }
1148 
1149 
1150 #ifndef NO_CONFIG_WRITE
1151 static char * wpa_config_write_cipher(int cipher)
1152 {
1153 #ifdef CONFIG_NO_WPA
1154 	return NULL;
1155 #else /* CONFIG_NO_WPA */
1156 	char *buf = os_zalloc(50);
1157 	if (buf == NULL)
1158 		return NULL;
1159 
1160 	if (wpa_write_ciphers(buf, buf + 50, cipher, " ") < 0) {
1161 		os_free(buf);
1162 		return NULL;
1163 	}
1164 
1165 	return buf;
1166 #endif /* CONFIG_NO_WPA */
1167 }
1168 #endif /* NO_CONFIG_WRITE */
1169 
1170 
1171 static int wpa_config_parse_pairwise(const struct parse_data *data,
1172 				     struct wpa_ssid *ssid, int line,
1173 				     const char *value)
1174 {
1175 	int val;
1176 	val = wpa_config_parse_cipher(line, value);
1177 	if (val == -1)
1178 		return -1;
1179 	if (val & ~WPA_ALLOWED_PAIRWISE_CIPHERS) {
1180 		wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
1181 			   "(0x%x).", line, val);
1182 		return -1;
1183 	}
1184 
1185 	if (ssid->pairwise_cipher == val)
1186 		return 1;
1187 	wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
1188 	ssid->pairwise_cipher = val;
1189 	return 0;
1190 }
1191 
1192 
1193 #ifndef NO_CONFIG_WRITE
1194 static char * wpa_config_write_pairwise(const struct parse_data *data,
1195 					struct wpa_ssid *ssid)
1196 {
1197 	return wpa_config_write_cipher(ssid->pairwise_cipher);
1198 }
1199 #endif /* NO_CONFIG_WRITE */
1200 
1201 
1202 static int wpa_config_parse_group(const struct parse_data *data,
1203 				  struct wpa_ssid *ssid, int line,
1204 				  const char *value)
1205 {
1206 	int val;
1207 	val = wpa_config_parse_cipher(line, value);
1208 	if (val == -1)
1209 		return -1;
1210 
1211 	/*
1212 	 * Backwards compatibility - filter out WEP ciphers that were previously
1213 	 * allowed.
1214 	 */
1215 	val &= ~(WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40);
1216 
1217 	if (val & ~WPA_ALLOWED_GROUP_CIPHERS) {
1218 		wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
1219 			   "(0x%x).", line, val);
1220 		return -1;
1221 	}
1222 
1223 	if (ssid->group_cipher == val)
1224 		return 1;
1225 	wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
1226 	ssid->group_cipher = val;
1227 	return 0;
1228 }
1229 
1230 
1231 #ifndef NO_CONFIG_WRITE
1232 static char * wpa_config_write_group(const struct parse_data *data,
1233 				     struct wpa_ssid *ssid)
1234 {
1235 	return wpa_config_write_cipher(ssid->group_cipher);
1236 }
1237 #endif /* NO_CONFIG_WRITE */
1238 
1239 
1240 static int wpa_config_parse_group_mgmt(const struct parse_data *data,
1241 				       struct wpa_ssid *ssid, int line,
1242 				       const char *value)
1243 {
1244 	int val;
1245 
1246 	val = wpa_config_parse_cipher(line, value);
1247 	if (val == -1)
1248 		return -1;
1249 
1250 	if (val & ~WPA_ALLOWED_GROUP_MGMT_CIPHERS) {
1251 		wpa_printf(MSG_ERROR,
1252 			   "Line %d: not allowed group management cipher (0x%x).",
1253 			   line, val);
1254 		return -1;
1255 	}
1256 
1257 	if (ssid->group_mgmt_cipher == val)
1258 		return 1;
1259 	wpa_printf(MSG_MSGDUMP, "group_mgmt: 0x%x", val);
1260 	ssid->group_mgmt_cipher = val;
1261 	return 0;
1262 }
1263 
1264 
1265 #ifndef NO_CONFIG_WRITE
1266 static char * wpa_config_write_group_mgmt(const struct parse_data *data,
1267 					  struct wpa_ssid *ssid)
1268 {
1269 	return wpa_config_write_cipher(ssid->group_mgmt_cipher);
1270 }
1271 #endif /* NO_CONFIG_WRITE */
1272 
1273 
1274 static int wpa_config_parse_auth_alg(const struct parse_data *data,
1275 				     struct wpa_ssid *ssid, int line,
1276 				     const char *value)
1277 {
1278 	int val = 0, last, errors = 0;
1279 	char *start, *end, *buf;
1280 
1281 	buf = os_strdup(value);
1282 	if (buf == NULL)
1283 		return -1;
1284 	start = buf;
1285 
1286 	while (*start != '\0') {
1287 		while (*start == ' ' || *start == '\t')
1288 			start++;
1289 		if (*start == '\0')
1290 			break;
1291 		end = start;
1292 		while (*end != ' ' && *end != '\t' && *end != '\0')
1293 			end++;
1294 		last = *end == '\0';
1295 		*end = '\0';
1296 		if (os_strcmp(start, "OPEN") == 0)
1297 			val |= WPA_AUTH_ALG_OPEN;
1298 		else if (os_strcmp(start, "SHARED") == 0)
1299 			val |= WPA_AUTH_ALG_SHARED;
1300 		else if (os_strcmp(start, "LEAP") == 0)
1301 			val |= WPA_AUTH_ALG_LEAP;
1302 		else {
1303 			wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
1304 				   line, start);
1305 			errors++;
1306 		}
1307 
1308 		if (last)
1309 			break;
1310 		start = end + 1;
1311 	}
1312 	os_free(buf);
1313 
1314 	if (val == 0) {
1315 		wpa_printf(MSG_ERROR,
1316 			   "Line %d: no auth_alg values configured.", line);
1317 		errors++;
1318 	}
1319 
1320 	if (!errors && ssid->auth_alg == val)
1321 		return 1;
1322 	wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
1323 	ssid->auth_alg = val;
1324 	return errors ? -1 : 0;
1325 }
1326 
1327 
1328 #ifndef NO_CONFIG_WRITE
1329 static char * wpa_config_write_auth_alg(const struct parse_data *data,
1330 					struct wpa_ssid *ssid)
1331 {
1332 	char *buf, *pos, *end;
1333 	int ret;
1334 
1335 	pos = buf = os_zalloc(30);
1336 	if (buf == NULL)
1337 		return NULL;
1338 	end = buf + 30;
1339 
1340 	if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
1341 		ret = os_snprintf(pos, end - pos, "%sOPEN",
1342 				  pos == buf ? "" : " ");
1343 		if (os_snprintf_error(end - pos, ret)) {
1344 			end[-1] = '\0';
1345 			return buf;
1346 		}
1347 		pos += ret;
1348 	}
1349 
1350 	if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
1351 		ret = os_snprintf(pos, end - pos, "%sSHARED",
1352 				  pos == buf ? "" : " ");
1353 		if (os_snprintf_error(end - pos, ret)) {
1354 			end[-1] = '\0';
1355 			return buf;
1356 		}
1357 		pos += ret;
1358 	}
1359 
1360 	if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
1361 		ret = os_snprintf(pos, end - pos, "%sLEAP",
1362 				  pos == buf ? "" : " ");
1363 		if (os_snprintf_error(end - pos, ret)) {
1364 			end[-1] = '\0';
1365 			return buf;
1366 		}
1367 		pos += ret;
1368 	}
1369 
1370 	if (pos == buf) {
1371 		os_free(buf);
1372 		buf = NULL;
1373 	}
1374 
1375 	return buf;
1376 }
1377 #endif /* NO_CONFIG_WRITE */
1378 
1379 
1380 static int * wpa_config_parse_int_array(const char *value)
1381 {
1382 	int *freqs;
1383 	size_t used, len;
1384 	const char *pos;
1385 
1386 	used = 0;
1387 	len = 10;
1388 	freqs = os_calloc(len + 1, sizeof(int));
1389 	if (freqs == NULL)
1390 		return NULL;
1391 
1392 	pos = value;
1393 	while (pos) {
1394 		while (*pos == ' ')
1395 			pos++;
1396 		if (used == len) {
1397 			int *n;
1398 			size_t i;
1399 			n = os_realloc_array(freqs, len * 2 + 1, sizeof(int));
1400 			if (n == NULL) {
1401 				os_free(freqs);
1402 				return NULL;
1403 			}
1404 			for (i = len; i <= len * 2; i++)
1405 				n[i] = 0;
1406 			freqs = n;
1407 			len *= 2;
1408 		}
1409 
1410 		freqs[used] = atoi(pos);
1411 		if (freqs[used] == 0)
1412 			break;
1413 		used++;
1414 		pos = os_strchr(pos + 1, ' ');
1415 	}
1416 
1417 	return freqs;
1418 }
1419 
1420 
1421 static int wpa_config_parse_scan_freq(const struct parse_data *data,
1422 				      struct wpa_ssid *ssid, int line,
1423 				      const char *value)
1424 {
1425 	int *freqs;
1426 
1427 	freqs = wpa_config_parse_int_array(value);
1428 	if (freqs == NULL)
1429 		return -1;
1430 	if (freqs[0] == 0) {
1431 		os_free(freqs);
1432 		freqs = NULL;
1433 	}
1434 	os_free(ssid->scan_freq);
1435 	ssid->scan_freq = freqs;
1436 
1437 	return 0;
1438 }
1439 
1440 
1441 static int wpa_config_parse_freq_list(const struct parse_data *data,
1442 				      struct wpa_ssid *ssid, int line,
1443 				      const char *value)
1444 {
1445 	int *freqs;
1446 
1447 	freqs = wpa_config_parse_int_array(value);
1448 	if (freqs == NULL)
1449 		return -1;
1450 	if (freqs[0] == 0) {
1451 		os_free(freqs);
1452 		freqs = NULL;
1453 	}
1454 	os_free(ssid->freq_list);
1455 	ssid->freq_list = freqs;
1456 
1457 	return 0;
1458 }
1459 
1460 
1461 #ifndef NO_CONFIG_WRITE
1462 static char * wpa_config_write_freqs(const struct parse_data *data,
1463 				     const int *freqs)
1464 {
1465 	char *buf, *pos, *end;
1466 	int i, ret;
1467 	size_t count;
1468 
1469 	if (freqs == NULL)
1470 		return NULL;
1471 
1472 	count = 0;
1473 	for (i = 0; freqs[i]; i++)
1474 		count++;
1475 
1476 	pos = buf = os_zalloc(10 * count + 1);
1477 	if (buf == NULL)
1478 		return NULL;
1479 	end = buf + 10 * count + 1;
1480 
1481 	for (i = 0; freqs[i]; i++) {
1482 		ret = os_snprintf(pos, end - pos, "%s%u",
1483 				  i == 0 ? "" : " ", freqs[i]);
1484 		if (os_snprintf_error(end - pos, ret)) {
1485 			end[-1] = '\0';
1486 			return buf;
1487 		}
1488 		pos += ret;
1489 	}
1490 
1491 	return buf;
1492 }
1493 
1494 
1495 static char * wpa_config_write_scan_freq(const struct parse_data *data,
1496 					 struct wpa_ssid *ssid)
1497 {
1498 	return wpa_config_write_freqs(data, ssid->scan_freq);
1499 }
1500 
1501 
1502 static char * wpa_config_write_freq_list(const struct parse_data *data,
1503 					 struct wpa_ssid *ssid)
1504 {
1505 	return wpa_config_write_freqs(data, ssid->freq_list);
1506 }
1507 #endif /* NO_CONFIG_WRITE */
1508 
1509 
1510 #ifdef IEEE8021X_EAPOL
1511 static int wpa_config_parse_eap(const struct parse_data *data,
1512 				struct wpa_ssid *ssid, int line,
1513 				const char *value)
1514 {
1515 	int last, errors = 0;
1516 	char *start, *end, *buf;
1517 	struct eap_method_type *methods = NULL, *tmp;
1518 	size_t num_methods = 0;
1519 
1520 	buf = os_strdup(value);
1521 	if (buf == NULL)
1522 		return -1;
1523 	start = buf;
1524 
1525 	while (*start != '\0') {
1526 		while (*start == ' ' || *start == '\t')
1527 			start++;
1528 		if (*start == '\0')
1529 			break;
1530 		end = start;
1531 		while (*end != ' ' && *end != '\t' && *end != '\0')
1532 			end++;
1533 		last = *end == '\0';
1534 		*end = '\0';
1535 		tmp = methods;
1536 		methods = os_realloc_array(methods, num_methods + 1,
1537 					   sizeof(*methods));
1538 		if (methods == NULL) {
1539 			os_free(tmp);
1540 			os_free(buf);
1541 			return -1;
1542 		}
1543 		methods[num_methods].method = eap_peer_get_type(
1544 			start, &methods[num_methods].vendor);
1545 		if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1546 		    methods[num_methods].method == EAP_TYPE_NONE) {
1547 			wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
1548 				   "'%s'", line, start);
1549 			wpa_printf(MSG_ERROR, "You may need to add support for"
1550 				   " this EAP method during wpa_supplicant\n"
1551 				   "build time configuration.\n"
1552 				   "See README for more information.");
1553 			errors++;
1554 		} else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1555 			   methods[num_methods].method == EAP_TYPE_LEAP)
1556 			ssid->leap++;
1557 		else
1558 			ssid->non_leap++;
1559 		num_methods++;
1560 		if (last)
1561 			break;
1562 		start = end + 1;
1563 	}
1564 	os_free(buf);
1565 
1566 	tmp = methods;
1567 	methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods));
1568 	if (methods == NULL) {
1569 		os_free(tmp);
1570 		return -1;
1571 	}
1572 	methods[num_methods].vendor = EAP_VENDOR_IETF;
1573 	methods[num_methods].method = EAP_TYPE_NONE;
1574 	num_methods++;
1575 
1576 	if (!errors && ssid->eap.eap_methods) {
1577 		struct eap_method_type *prev_m;
1578 		size_t i, j, prev_methods, match = 0;
1579 
1580 		prev_m = ssid->eap.eap_methods;
1581 		for (i = 0; prev_m[i].vendor != EAP_VENDOR_IETF ||
1582 			     prev_m[i].method != EAP_TYPE_NONE; i++) {
1583 			/* Count the methods */
1584 		}
1585 		prev_methods = i + 1;
1586 
1587 		for (i = 0; prev_methods == num_methods && i < prev_methods;
1588 		     i++) {
1589 			for (j = 0; j < num_methods; j++) {
1590 				if (prev_m[i].vendor == methods[j].vendor &&
1591 				    prev_m[i].method == methods[j].method) {
1592 					match++;
1593 					break;
1594 				}
1595 			}
1596 		}
1597 		if (match == num_methods) {
1598 			os_free(methods);
1599 			return 1;
1600 		}
1601 	}
1602 	wpa_hexdump(MSG_MSGDUMP, "eap methods",
1603 		    (u8 *) methods, num_methods * sizeof(*methods));
1604 	os_free(ssid->eap.eap_methods);
1605 	ssid->eap.eap_methods = methods;
1606 	return errors ? -1 : 0;
1607 }
1608 
1609 
1610 #ifndef NO_CONFIG_WRITE
1611 static char * wpa_config_write_eap(const struct parse_data *data,
1612 				   struct wpa_ssid *ssid)
1613 {
1614 	int i, ret;
1615 	char *buf, *pos, *end;
1616 	const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
1617 	const char *name;
1618 
1619 	if (eap_methods == NULL)
1620 		return NULL;
1621 
1622 	pos = buf = os_zalloc(100);
1623 	if (buf == NULL)
1624 		return NULL;
1625 	end = buf + 100;
1626 
1627 	for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
1628 		     eap_methods[i].method != EAP_TYPE_NONE; i++) {
1629 		name = eap_get_name(eap_methods[i].vendor,
1630 				    eap_methods[i].method);
1631 		if (name) {
1632 			ret = os_snprintf(pos, end - pos, "%s%s",
1633 					  pos == buf ? "" : " ", name);
1634 			if (os_snprintf_error(end - pos, ret))
1635 				break;
1636 			pos += ret;
1637 		}
1638 	}
1639 
1640 	end[-1] = '\0';
1641 
1642 	return buf;
1643 }
1644 #endif /* NO_CONFIG_WRITE */
1645 
1646 
1647 static int wpa_config_parse_password(const struct parse_data *data,
1648 				     struct wpa_ssid *ssid, int line,
1649 				     const char *value)
1650 {
1651 	u8 *hash;
1652 
1653 	if (os_strcmp(value, "NULL") == 0) {
1654 		if (!ssid->eap.password)
1655 			return 1; /* Already unset */
1656 		wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
1657 		bin_clear_free(ssid->eap.password, ssid->eap.password_len);
1658 		ssid->eap.password = NULL;
1659 		ssid->eap.password_len = 0;
1660 		return 0;
1661 	}
1662 
1663 #ifdef CONFIG_EXT_PASSWORD
1664 	if (os_strncmp(value, "ext:", 4) == 0) {
1665 		char *name = os_strdup(value + 4);
1666 		if (!name)
1667 			return -1;
1668 		bin_clear_free(ssid->eap.password, ssid->eap.password_len);
1669 		ssid->eap.password = (u8 *) name;
1670 		ssid->eap.password_len = os_strlen(name);
1671 		ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1672 		ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD;
1673 		return 0;
1674 	}
1675 #endif /* CONFIG_EXT_PASSWORD */
1676 
1677 	if (os_strncmp(value, "hash:", 5) != 0) {
1678 		char *tmp;
1679 		size_t res_len;
1680 
1681 		tmp = wpa_config_parse_string(value, &res_len);
1682 		if (!tmp) {
1683 			wpa_printf(MSG_ERROR,
1684 				   "Line %d: failed to parse password.", line);
1685 			return -1;
1686 		}
1687 		wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1688 				      (u8 *) tmp, res_len);
1689 
1690 		bin_clear_free(ssid->eap.password, ssid->eap.password_len);
1691 		ssid->eap.password = (u8 *) tmp;
1692 		ssid->eap.password_len = res_len;
1693 		ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1694 		ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1695 
1696 		return 0;
1697 	}
1698 
1699 
1700 	/* NtPasswordHash: hash:<32 hex digits> */
1701 	if (os_strlen(value + 5) != 2 * 16) {
1702 		wpa_printf(MSG_ERROR,
1703 			   "Line %d: Invalid password hash length (expected 32 hex digits)",
1704 			   line);
1705 		return -1;
1706 	}
1707 
1708 	hash = os_malloc(16);
1709 	if (!hash)
1710 		return -1;
1711 
1712 	if (hexstr2bin(value + 5, hash, 16)) {
1713 		os_free(hash);
1714 		wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
1715 		return -1;
1716 	}
1717 
1718 	wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1719 
1720 	if (ssid->eap.password && ssid->eap.password_len == 16 &&
1721 	    os_memcmp(ssid->eap.password, hash, 16) == 0 &&
1722 	    (ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1723 		bin_clear_free(hash, 16);
1724 		return 1;
1725 	}
1726 	bin_clear_free(ssid->eap.password, ssid->eap.password_len);
1727 	ssid->eap.password = hash;
1728 	ssid->eap.password_len = 16;
1729 	ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1730 	ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1731 
1732 	return 0;
1733 }
1734 
1735 
1736 static int wpa_config_parse_machine_password(const struct parse_data *data,
1737 					     struct wpa_ssid *ssid, int line,
1738 					     const char *value)
1739 {
1740 	u8 *hash;
1741 
1742 	if (os_strcmp(value, "NULL") == 0) {
1743 		if (!ssid->eap.machine_password)
1744 			return 1; /* Already unset */
1745 		wpa_printf(MSG_DEBUG,
1746 			   "Unset configuration string 'machine_password'");
1747 		bin_clear_free(ssid->eap.machine_password,
1748 			       ssid->eap.machine_password_len);
1749 		ssid->eap.machine_password = NULL;
1750 		ssid->eap.machine_password_len = 0;
1751 		return 0;
1752 	}
1753 
1754 #ifdef CONFIG_EXT_PASSWORD
1755 	if (os_strncmp(value, "ext:", 4) == 0) {
1756 		char *name = os_strdup(value + 4);
1757 
1758 		if (!name)
1759 			return -1;
1760 		bin_clear_free(ssid->eap.machine_password,
1761 			       ssid->eap.machine_password_len);
1762 		ssid->eap.machine_password = (u8 *) name;
1763 		ssid->eap.machine_password_len = os_strlen(name);
1764 		ssid->eap.flags &= ~EAP_CONFIG_FLAGS_MACHINE_PASSWORD_NTHASH;
1765 		ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_MACHINE_PASSWORD;
1766 		return 0;
1767 	}
1768 #endif /* CONFIG_EXT_PASSWORD */
1769 
1770 	if (os_strncmp(value, "hash:", 5) != 0) {
1771 		char *tmp;
1772 		size_t res_len;
1773 
1774 		tmp = wpa_config_parse_string(value, &res_len);
1775 		if (!tmp) {
1776 			wpa_printf(MSG_ERROR,
1777 				   "Line %d: failed to parse machine_password.",
1778 				   line);
1779 			return -1;
1780 		}
1781 		wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1782 				      (u8 *) tmp, res_len);
1783 
1784 		bin_clear_free(ssid->eap.machine_password,
1785 			       ssid->eap.machine_password_len);
1786 		ssid->eap.machine_password = (u8 *) tmp;
1787 		ssid->eap.machine_password_len = res_len;
1788 		ssid->eap.flags &= ~EAP_CONFIG_FLAGS_MACHINE_PASSWORD_NTHASH;
1789 		ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_MACHINE_PASSWORD;
1790 
1791 		return 0;
1792 	}
1793 
1794 
1795 	/* NtPasswordHash: hash:<32 hex digits> */
1796 	if (os_strlen(value + 5) != 2 * 16) {
1797 		wpa_printf(MSG_ERROR,
1798 			   "Line %d: Invalid machine_password hash length (expected 32 hex digits)",
1799 			   line);
1800 		return -1;
1801 	}
1802 
1803 	hash = os_malloc(16);
1804 	if (!hash)
1805 		return -1;
1806 
1807 	if (hexstr2bin(value + 5, hash, 16)) {
1808 		os_free(hash);
1809 		wpa_printf(MSG_ERROR, "Line %d: Invalid machine_password hash",
1810 			   line);
1811 		return -1;
1812 	}
1813 
1814 	wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1815 
1816 	if (ssid->eap.machine_password &&
1817 	    ssid->eap.machine_password_len == 16 &&
1818 	    os_memcmp(ssid->eap.machine_password, hash, 16) == 0 &&
1819 	    (ssid->eap.flags & EAP_CONFIG_FLAGS_MACHINE_PASSWORD_NTHASH)) {
1820 		bin_clear_free(hash, 16);
1821 		return 1;
1822 	}
1823 	bin_clear_free(ssid->eap.machine_password,
1824 		       ssid->eap.machine_password_len);
1825 	ssid->eap.machine_password = hash;
1826 	ssid->eap.machine_password_len = 16;
1827 	ssid->eap.flags |= EAP_CONFIG_FLAGS_MACHINE_PASSWORD_NTHASH;
1828 	ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_MACHINE_PASSWORD;
1829 
1830 	return 0;
1831 }
1832 
1833 
1834 #ifndef NO_CONFIG_WRITE
1835 
1836 static char * wpa_config_write_password(const struct parse_data *data,
1837 					struct wpa_ssid *ssid)
1838 {
1839 	char *buf;
1840 
1841 	if (!ssid->eap.password)
1842 		return NULL;
1843 
1844 #ifdef CONFIG_EXT_PASSWORD
1845 	if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) {
1846 		buf = os_zalloc(4 + ssid->eap.password_len + 1);
1847 		if (!buf)
1848 			return NULL;
1849 		os_memcpy(buf, "ext:", 4);
1850 		os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len);
1851 		return buf;
1852 	}
1853 #endif /* CONFIG_EXT_PASSWORD */
1854 
1855 	if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1856 		return wpa_config_write_string(
1857 			ssid->eap.password, ssid->eap.password_len);
1858 	}
1859 
1860 	buf = os_malloc(5 + 32 + 1);
1861 	if (!buf)
1862 		return NULL;
1863 
1864 	os_memcpy(buf, "hash:", 5);
1865 	wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
1866 
1867 	return buf;
1868 }
1869 
1870 
1871 static char * wpa_config_write_machine_password(const struct parse_data *data,
1872 						struct wpa_ssid *ssid)
1873 {
1874 	char *buf;
1875 
1876 	if (!ssid->eap.machine_password)
1877 		return NULL;
1878 
1879 #ifdef CONFIG_EXT_PASSWORD
1880 	if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_MACHINE_PASSWORD) {
1881 		buf = os_zalloc(4 + ssid->eap.machine_password_len + 1);
1882 		if (!buf)
1883 			return NULL;
1884 		os_memcpy(buf, "ext:", 4);
1885 		os_memcpy(buf + 4, ssid->eap.machine_password,
1886 			  ssid->eap.machine_password_len);
1887 		return buf;
1888 	}
1889 #endif /* CONFIG_EXT_PASSWORD */
1890 
1891 	if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_MACHINE_PASSWORD_NTHASH)) {
1892 		return wpa_config_write_string(
1893 			ssid->eap.machine_password,
1894 			ssid->eap.machine_password_len);
1895 	}
1896 
1897 	buf = os_malloc(5 + 32 + 1);
1898 	if (!buf)
1899 		return NULL;
1900 
1901 	os_memcpy(buf, "hash:", 5);
1902 	wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.machine_password, 16);
1903 
1904 	return buf;
1905 }
1906 
1907 #endif /* NO_CONFIG_WRITE */
1908 #endif /* IEEE8021X_EAPOL */
1909 
1910 
1911 #ifdef CONFIG_WEP
1912 
1913 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
1914 				    const char *value, int idx)
1915 {
1916 	char *buf, title[20];
1917 	int res;
1918 
1919 	buf = wpa_config_parse_string(value, len);
1920 	if (buf == NULL) {
1921 		wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
1922 			   line, idx, value);
1923 		return -1;
1924 	}
1925 	if (*len > MAX_WEP_KEY_LEN) {
1926 		wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
1927 			   line, idx, value);
1928 		os_free(buf);
1929 		return -1;
1930 	}
1931 	if (*len && *len != 5 && *len != 13 && *len != 16) {
1932 		wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - "
1933 			   "this network block will be ignored",
1934 			   line, (unsigned int) *len);
1935 	}
1936 	os_memcpy(key, buf, *len);
1937 	str_clear_free(buf);
1938 	res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
1939 	if (!os_snprintf_error(sizeof(title), res))
1940 		wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
1941 	return 0;
1942 }
1943 
1944 
1945 static int wpa_config_parse_wep_key0(const struct parse_data *data,
1946 				     struct wpa_ssid *ssid, int line,
1947 				     const char *value)
1948 {
1949 	return wpa_config_parse_wep_key(ssid->wep_key[0],
1950 					&ssid->wep_key_len[0], line,
1951 					value, 0);
1952 }
1953 
1954 
1955 static int wpa_config_parse_wep_key1(const struct parse_data *data,
1956 				     struct wpa_ssid *ssid, int line,
1957 				     const char *value)
1958 {
1959 	return wpa_config_parse_wep_key(ssid->wep_key[1],
1960 					&ssid->wep_key_len[1], line,
1961 					value, 1);
1962 }
1963 
1964 
1965 static int wpa_config_parse_wep_key2(const struct parse_data *data,
1966 				     struct wpa_ssid *ssid, int line,
1967 				     const char *value)
1968 {
1969 	return wpa_config_parse_wep_key(ssid->wep_key[2],
1970 					&ssid->wep_key_len[2], line,
1971 					value, 2);
1972 }
1973 
1974 
1975 static int wpa_config_parse_wep_key3(const struct parse_data *data,
1976 				     struct wpa_ssid *ssid, int line,
1977 				     const char *value)
1978 {
1979 	return wpa_config_parse_wep_key(ssid->wep_key[3],
1980 					&ssid->wep_key_len[3], line,
1981 					value, 3);
1982 }
1983 
1984 
1985 #ifndef NO_CONFIG_WRITE
1986 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
1987 {
1988 	if (ssid->wep_key_len[idx] == 0)
1989 		return NULL;
1990 	return wpa_config_write_string(ssid->wep_key[idx],
1991 				       ssid->wep_key_len[idx]);
1992 }
1993 
1994 
1995 static char * wpa_config_write_wep_key0(const struct parse_data *data,
1996 					struct wpa_ssid *ssid)
1997 {
1998 	return wpa_config_write_wep_key(ssid, 0);
1999 }
2000 
2001 
2002 static char * wpa_config_write_wep_key1(const struct parse_data *data,
2003 					struct wpa_ssid *ssid)
2004 {
2005 	return wpa_config_write_wep_key(ssid, 1);
2006 }
2007 
2008 
2009 static char * wpa_config_write_wep_key2(const struct parse_data *data,
2010 					struct wpa_ssid *ssid)
2011 {
2012 	return wpa_config_write_wep_key(ssid, 2);
2013 }
2014 
2015 
2016 static char * wpa_config_write_wep_key3(const struct parse_data *data,
2017 					struct wpa_ssid *ssid)
2018 {
2019 	return wpa_config_write_wep_key(ssid, 3);
2020 }
2021 #endif /* NO_CONFIG_WRITE */
2022 
2023 #endif /* CONFIG_WEP */
2024 
2025 
2026 #ifdef CONFIG_P2P
2027 
2028 static int wpa_config_parse_go_p2p_dev_addr(const struct parse_data *data,
2029 					    struct wpa_ssid *ssid, int line,
2030 					    const char *value)
2031 {
2032 	if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
2033 	    os_strcmp(value, "any") == 0) {
2034 		os_memset(ssid->go_p2p_dev_addr, 0, ETH_ALEN);
2035 		wpa_printf(MSG_MSGDUMP, "GO P2P Device Address any");
2036 		return 0;
2037 	}
2038 	if (hwaddr_aton(value, ssid->go_p2p_dev_addr)) {
2039 		wpa_printf(MSG_ERROR, "Line %d: Invalid GO P2P Device Address '%s'.",
2040 			   line, value);
2041 		return -1;
2042 	}
2043 	ssid->bssid_set = 1;
2044 	wpa_printf(MSG_MSGDUMP, "GO P2P Device Address " MACSTR,
2045 		   MAC2STR(ssid->go_p2p_dev_addr));
2046 	return 0;
2047 }
2048 
2049 
2050 #ifndef NO_CONFIG_WRITE
2051 static char * wpa_config_write_go_p2p_dev_addr(const struct parse_data *data,
2052 					       struct wpa_ssid *ssid)
2053 {
2054 	char *value;
2055 	int res;
2056 
2057 	if (is_zero_ether_addr(ssid->go_p2p_dev_addr))
2058 		return NULL;
2059 
2060 	value = os_malloc(20);
2061 	if (value == NULL)
2062 		return NULL;
2063 	res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->go_p2p_dev_addr));
2064 	if (os_snprintf_error(20, res)) {
2065 		os_free(value);
2066 		return NULL;
2067 	}
2068 	value[20 - 1] = '\0';
2069 	return value;
2070 }
2071 #endif /* NO_CONFIG_WRITE */
2072 
2073 
2074 static int wpa_config_parse_p2p_client_list(const struct parse_data *data,
2075 					    struct wpa_ssid *ssid, int line,
2076 					    const char *value)
2077 {
2078 	return wpa_config_parse_addr_list(data, line, value,
2079 					  &ssid->p2p_client_list,
2080 					  &ssid->num_p2p_clients,
2081 					  "p2p_client_list", 0, 0);
2082 }
2083 
2084 
2085 #ifndef NO_CONFIG_WRITE
2086 static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
2087 					       struct wpa_ssid *ssid)
2088 {
2089 	return wpa_config_write_addr_list(data, ssid->p2p_client_list,
2090 					  ssid->num_p2p_clients,
2091 					  "p2p_client_list");
2092 }
2093 #endif /* NO_CONFIG_WRITE */
2094 
2095 
2096 static int wpa_config_parse_psk_list(const struct parse_data *data,
2097 				     struct wpa_ssid *ssid, int line,
2098 				     const char *value)
2099 {
2100 	struct psk_list_entry *p;
2101 	const char *pos;
2102 
2103 	p = os_zalloc(sizeof(*p));
2104 	if (p == NULL)
2105 		return -1;
2106 
2107 	pos = value;
2108 	if (os_strncmp(pos, "P2P-", 4) == 0) {
2109 		p->p2p = 1;
2110 		pos += 4;
2111 	}
2112 
2113 	if (hwaddr_aton(pos, p->addr)) {
2114 		wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list address '%s'",
2115 			   line, pos);
2116 		os_free(p);
2117 		return -1;
2118 	}
2119 	pos += 17;
2120 	if (*pos != '-') {
2121 		wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list '%s'",
2122 			   line, pos);
2123 		os_free(p);
2124 		return -1;
2125 	}
2126 	pos++;
2127 
2128 	if (hexstr2bin(pos, p->psk, PMK_LEN) || pos[PMK_LEN * 2] != '\0') {
2129 		wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list PSK '%s'",
2130 			   line, pos);
2131 		os_free(p);
2132 		return -1;
2133 	}
2134 
2135 	dl_list_add(&ssid->psk_list, &p->list);
2136 
2137 	return 0;
2138 }
2139 
2140 
2141 #ifndef NO_CONFIG_WRITE
2142 static char * wpa_config_write_psk_list(const struct parse_data *data,
2143 					struct wpa_ssid *ssid)
2144 {
2145 	return NULL;
2146 }
2147 #endif /* NO_CONFIG_WRITE */
2148 
2149 #endif /* CONFIG_P2P */
2150 
2151 
2152 #ifdef CONFIG_MESH
2153 
2154 static int wpa_config_parse_mesh_basic_rates(const struct parse_data *data,
2155 					     struct wpa_ssid *ssid, int line,
2156 					     const char *value)
2157 {
2158 	int *rates = wpa_config_parse_int_array(value);
2159 
2160 	if (rates == NULL) {
2161 		wpa_printf(MSG_ERROR, "Line %d: Invalid mesh_basic_rates '%s'",
2162 			   line, value);
2163 		return -1;
2164 	}
2165 	if (rates[0] == 0) {
2166 		os_free(rates);
2167 		rates = NULL;
2168 	}
2169 
2170 	os_free(ssid->mesh_basic_rates);
2171 	ssid->mesh_basic_rates = rates;
2172 
2173 	return 0;
2174 }
2175 
2176 
2177 #ifndef NO_CONFIG_WRITE
2178 
2179 static char * wpa_config_write_mesh_basic_rates(const struct parse_data *data,
2180 						struct wpa_ssid *ssid)
2181 {
2182 	return wpa_config_write_freqs(data, ssid->mesh_basic_rates);
2183 }
2184 
2185 #endif /* NO_CONFIG_WRITE */
2186 
2187 #endif /* CONFIG_MESH */
2188 
2189 
2190 #ifdef CONFIG_MACSEC
2191 
2192 static int wpa_config_parse_mka_cak(const struct parse_data *data,
2193 				    struct wpa_ssid *ssid, int line,
2194 				    const char *value)
2195 {
2196 	size_t len;
2197 
2198 	len = os_strlen(value);
2199 	if (len > 2 * MACSEC_CAK_MAX_LEN ||
2200 	    (len != 2 * 16 && len != 2 * 32) ||
2201 	    hexstr2bin(value, ssid->mka_cak, len / 2)) {
2202 		wpa_printf(MSG_ERROR, "Line %d: Invalid MKA-CAK '%s'.",
2203 			   line, value);
2204 		return -1;
2205 	}
2206 	ssid->mka_cak_len = len / 2;
2207 	ssid->mka_psk_set |= MKA_PSK_SET_CAK;
2208 
2209 	wpa_hexdump_key(MSG_MSGDUMP, "MKA-CAK", ssid->mka_cak,
2210 			ssid->mka_cak_len);
2211 	return 0;
2212 }
2213 
2214 
2215 static int wpa_config_parse_mka_ckn(const struct parse_data *data,
2216 				    struct wpa_ssid *ssid, int line,
2217 				    const char *value)
2218 {
2219 	size_t len;
2220 
2221 	len = os_strlen(value);
2222 	if (len > 2 * MACSEC_CKN_MAX_LEN || /* too long */
2223 	    len < 2 || /* too short */
2224 	    len % 2 != 0 /* not an integral number of bytes */) {
2225 		wpa_printf(MSG_ERROR, "Line %d: Invalid MKA-CKN '%s'.",
2226 			   line, value);
2227 		return -1;
2228 	}
2229 	ssid->mka_ckn_len = len / 2;
2230 	if (hexstr2bin(value, ssid->mka_ckn, ssid->mka_ckn_len)) {
2231 		wpa_printf(MSG_ERROR, "Line %d: Invalid MKA-CKN '%s'.",
2232 			   line, value);
2233 		return -1;
2234 	}
2235 
2236 	ssid->mka_psk_set |= MKA_PSK_SET_CKN;
2237 
2238 	wpa_hexdump_key(MSG_MSGDUMP, "MKA-CKN", ssid->mka_ckn,
2239 			ssid->mka_ckn_len);
2240 	return 0;
2241 }
2242 
2243 
2244 #ifndef NO_CONFIG_WRITE
2245 
2246 static char * wpa_config_write_mka_cak(const struct parse_data *data,
2247 				       struct wpa_ssid *ssid)
2248 {
2249 	if (!(ssid->mka_psk_set & MKA_PSK_SET_CAK))
2250 		return NULL;
2251 
2252 	return wpa_config_write_string_hex(ssid->mka_cak, ssid->mka_cak_len);
2253 }
2254 
2255 
2256 static char * wpa_config_write_mka_ckn(const struct parse_data *data,
2257 				       struct wpa_ssid *ssid)
2258 {
2259 	if (!(ssid->mka_psk_set & MKA_PSK_SET_CKN))
2260 		return NULL;
2261 	return wpa_config_write_string_hex(ssid->mka_ckn, ssid->mka_ckn_len);
2262 }
2263 
2264 #endif /* NO_CONFIG_WRITE */
2265 
2266 #endif /* CONFIG_MACSEC */
2267 
2268 
2269 #ifdef CONFIG_OCV
2270 
2271 static int wpa_config_parse_ocv(const struct parse_data *data,
2272 				struct wpa_ssid *ssid, int line,
2273 				const char *value)
2274 {
2275 	char *end;
2276 
2277 	ssid->ocv = strtol(value, &end, 0);
2278 	if (*end || ssid->ocv < 0 || ssid->ocv > 1) {
2279 		wpa_printf(MSG_ERROR, "Line %d: Invalid ocv value '%s'.",
2280 			   line, value);
2281 		return -1;
2282 	}
2283 	if (ssid->ocv && ssid->ieee80211w == NO_MGMT_FRAME_PROTECTION)
2284 		ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL;
2285 	return 0;
2286 }
2287 
2288 
2289 #ifndef NO_CONFIG_WRITE
2290 static char * wpa_config_write_ocv(const struct parse_data *data,
2291 				   struct wpa_ssid *ssid)
2292 {
2293 	char *value = os_malloc(20);
2294 
2295 	if (!value)
2296 		return NULL;
2297 	os_snprintf(value, 20, "%d", ssid->ocv);
2298 	value[20 - 1] = '\0';
2299 	return value;
2300 }
2301 #endif /* NO_CONFIG_WRITE */
2302 
2303 #endif /* CONFIG_OCV */
2304 
2305 
2306 static int wpa_config_parse_peerkey(const struct parse_data *data,
2307 				    struct wpa_ssid *ssid, int line,
2308 				    const char *value)
2309 {
2310 	wpa_printf(MSG_INFO, "NOTE: Obsolete peerkey parameter ignored");
2311 	return 0;
2312 }
2313 
2314 
2315 #ifndef NO_CONFIG_WRITE
2316 static char * wpa_config_write_peerkey(const struct parse_data *data,
2317 				       struct wpa_ssid *ssid)
2318 {
2319 	return NULL;
2320 }
2321 #endif /* NO_CONFIG_WRITE */
2322 
2323 
2324 /* Helper macros for network block parser */
2325 
2326 #ifdef OFFSET
2327 #undef OFFSET
2328 #endif /* OFFSET */
2329 /* OFFSET: Get offset of a variable within the wpa_ssid structure */
2330 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
2331 
2332 /* STR: Define a string variable for an ASCII string; f = field name */
2333 #ifdef NO_CONFIG_WRITE
2334 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
2335 #define _STRe(f, m) #f, wpa_config_parse_str, OFFSET(eap.m)
2336 #else /* NO_CONFIG_WRITE */
2337 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
2338 #define _STRe(f, m) #f, wpa_config_parse_str, wpa_config_write_str, \
2339 		OFFSET(eap.m)
2340 #endif /* NO_CONFIG_WRITE */
2341 #define STR(f) _STR(f), NULL, NULL, NULL, 0
2342 #define STRe(f, m) _STRe(f, m), NULL, NULL, NULL, 0
2343 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
2344 #define STR_KEYe(f, m) _STRe(f, m), NULL, NULL, NULL, 1
2345 
2346 /* STR_LEN: Define a string variable with a separate variable for storing the
2347  * data length. Unlike STR(), this can be used to store arbitrary binary data
2348  * (i.e., even nul termination character). */
2349 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
2350 #define _STR_LENe(f, m) _STRe(f, m), OFFSET(eap.m ## _len)
2351 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
2352 #define STR_LENe(f, m) _STR_LENe(f, m), NULL, NULL, 0
2353 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
2354 
2355 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
2356  * explicitly specified. */
2357 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
2358 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
2359 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
2360 
2361 #ifdef NO_CONFIG_WRITE
2362 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
2363 #define _INTe(f, m) #f, wpa_config_parse_int, OFFSET(eap.m), (void *) 0
2364 #else /* NO_CONFIG_WRITE */
2365 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
2366 	OFFSET(f), (void *) 0
2367 #define _INTe(f, m) #f, wpa_config_parse_int, wpa_config_write_int,	\
2368 	OFFSET(eap.m), (void *) 0
2369 #endif /* NO_CONFIG_WRITE */
2370 
2371 /* INT: Define an integer variable */
2372 #define INT(f) _INT(f), NULL, NULL, 0
2373 #define INTe(f, m) _INTe(f, m), NULL, NULL, 0
2374 
2375 /* INT_RANGE: Define an integer variable with allowed value range */
2376 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
2377 
2378 /* FUNC: Define a configuration variable that uses a custom function for
2379  * parsing and writing the value. */
2380 #ifdef NO_CONFIG_WRITE
2381 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
2382 #else /* NO_CONFIG_WRITE */
2383 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
2384 	NULL, NULL, NULL, NULL
2385 #endif /* NO_CONFIG_WRITE */
2386 #define FUNC(f) _FUNC(f), 0
2387 #define FUNC_KEY(f) _FUNC(f), 1
2388 
2389 /*
2390  * Table of network configuration variables. This table is used to parse each
2391  * network configuration variable, e.g., each line in wpa_supplicant.conf file
2392  * that is inside a network block.
2393  *
2394  * This table is generated using the helper macros defined above and with
2395  * generous help from the C pre-processor. The field name is stored as a string
2396  * into .name and for STR and INT types, the offset of the target buffer within
2397  * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
2398  * offset to the field containing the length of the configuration variable.
2399  * .param3 and .param4 can be used to mark the allowed range (length for STR
2400  * and value for INT).
2401  *
2402  * For each configuration line in wpa_supplicant.conf, the parser goes through
2403  * this table and select the entry that matches with the field name. The parser
2404  * function (.parser) is then called to parse the actual value of the field.
2405  *
2406  * This kind of mechanism makes it easy to add new configuration parameters,
2407  * since only one line needs to be added into this table and into the
2408  * struct wpa_ssid definition if the new variable is either a string or
2409  * integer. More complex types will need to use their own parser and writer
2410  * functions.
2411  */
2412 static const struct parse_data ssid_fields[] = {
2413 	{ STR_RANGE(ssid, 0, SSID_MAX_LEN) },
2414 	{ INT_RANGE(scan_ssid, 0, 1) },
2415 	{ FUNC(bssid) },
2416 	{ FUNC(bssid_hint) },
2417 	{ FUNC(bssid_ignore) },
2418 	{ FUNC(bssid_accept) },
2419 	{ FUNC(bssid_blacklist) }, /* deprecated alias for bssid_ignore */
2420 	{ FUNC(bssid_whitelist) }, /* deprecated alias for bssid_accept */
2421 	{ FUNC_KEY(psk) },
2422 	{ INT(mem_only_psk) },
2423 	{ STR_KEY(sae_password) },
2424 	{ STR(sae_password_id) },
2425 	{ FUNC(proto) },
2426 	{ FUNC(key_mgmt) },
2427 	{ INT(bg_scan_period) },
2428 	{ FUNC(pairwise) },
2429 	{ FUNC(group) },
2430 	{ FUNC(group_mgmt) },
2431 	{ FUNC(auth_alg) },
2432 	{ FUNC(scan_freq) },
2433 	{ FUNC(freq_list) },
2434 	{ INT_RANGE(ht, 0, 1) },
2435 	{ INT_RANGE(vht, 0, 1) },
2436 	{ INT_RANGE(ht40, -1, 1) },
2437 	{ INT_RANGE(max_oper_chwidth, CHANWIDTH_USE_HT,
2438 		    CHANWIDTH_80P80MHZ) },
2439 	{ INT(vht_center_freq1) },
2440 	{ INT(vht_center_freq2) },
2441 #ifdef IEEE8021X_EAPOL
2442 	{ FUNC(eap) },
2443 	{ STR_LENe(identity, identity) },
2444 	{ STR_LENe(anonymous_identity, anonymous_identity) },
2445 	{ STR_LENe(imsi_identity, imsi_identity) },
2446 	{ STR_LENe(machine_identity, machine_identity) },
2447 	{ FUNC_KEY(password) },
2448 	{ FUNC_KEY(machine_password) },
2449 	{ STRe(ca_cert, cert.ca_cert) },
2450 	{ STRe(ca_path, cert.ca_path) },
2451 	{ STRe(client_cert, cert.client_cert) },
2452 	{ STRe(private_key, cert.private_key) },
2453 	{ STR_KEYe(private_key_passwd, cert.private_key_passwd) },
2454 	{ STRe(dh_file, cert.dh_file) },
2455 	{ STRe(subject_match, cert.subject_match) },
2456 	{ STRe(check_cert_subject, cert.check_cert_subject) },
2457 	{ STRe(altsubject_match, cert.altsubject_match) },
2458 	{ STRe(domain_suffix_match, cert.domain_suffix_match) },
2459 	{ STRe(domain_match, cert.domain_match) },
2460 	{ STRe(ca_cert2, phase2_cert.ca_cert) },
2461 	{ STRe(ca_path2, phase2_cert.ca_path) },
2462 	{ STRe(client_cert2, phase2_cert.client_cert) },
2463 	{ STRe(private_key2, phase2_cert.private_key) },
2464 	{ STR_KEYe(private_key2_passwd, phase2_cert.private_key_passwd) },
2465 	{ STRe(dh_file2, phase2_cert.dh_file) },
2466 	{ STRe(subject_match2, phase2_cert.subject_match) },
2467 	{ STRe(check_cert_subject2, phase2_cert.check_cert_subject) },
2468 	{ STRe(altsubject_match2, phase2_cert.altsubject_match) },
2469 	{ STRe(domain_suffix_match2, phase2_cert.domain_suffix_match) },
2470 	{ STRe(domain_match2, phase2_cert.domain_match) },
2471 	{ STRe(phase1, phase1) },
2472 	{ STRe(phase2, phase2) },
2473 	{ STRe(machine_phase2, machine_phase2) },
2474 	{ STRe(pcsc, pcsc) },
2475 	{ STR_KEYe(pin, cert.pin) },
2476 	{ STRe(engine_id, cert.engine_id) },
2477 	{ STRe(key_id, cert.key_id) },
2478 	{ STRe(cert_id, cert.cert_id) },
2479 	{ STRe(ca_cert_id, cert.ca_cert_id) },
2480 	{ STR_KEYe(pin2, phase2_cert.pin) },
2481 	{ STRe(engine_id2, phase2_cert.engine_id) },
2482 	{ STRe(key_id2, phase2_cert.key_id) },
2483 	{ STRe(cert_id2, phase2_cert.cert_id) },
2484 	{ STRe(ca_cert_id2, phase2_cert.ca_cert_id) },
2485 	{ INTe(engine, cert.engine) },
2486 	{ INTe(engine2, phase2_cert.engine) },
2487 	{ STRe(machine_ca_cert, machine_cert.ca_cert) },
2488 	{ STRe(machine_ca_path, machine_cert.ca_path) },
2489 	{ STRe(machine_client_cert, machine_cert.client_cert) },
2490 	{ STRe(machine_private_key, machine_cert.private_key) },
2491 	{ STR_KEYe(machine_private_key_passwd,
2492 		   machine_cert.private_key_passwd) },
2493 	{ STRe(machine_dh_file, machine_cert.dh_file) },
2494 	{ STRe(machine_subject_match, machine_cert.subject_match) },
2495 	{ STRe(machine_check_cert_subject, machine_cert.check_cert_subject) },
2496 	{ STRe(machine_altsubject_match, machine_cert.altsubject_match) },
2497 	{ STRe(machine_domain_suffix_match,
2498 	       machine_cert.domain_suffix_match) },
2499 	{ STRe(machine_domain_match, machine_cert.domain_match) },
2500 	{ STR_KEYe(machine_pin, machine_cert.pin) },
2501 	{ STRe(machine_engine_id, machine_cert.engine_id) },
2502 	{ STRe(machine_key_id, machine_cert.key_id) },
2503 	{ STRe(machine_cert_id, machine_cert.cert_id) },
2504 	{ STRe(machine_ca_cert_id, machine_cert.ca_cert_id) },
2505 	{ INTe(machine_engine, machine_cert.engine) },
2506 	{ INTe(machine_ocsp, machine_cert.ocsp) },
2507 	{ INT(eapol_flags) },
2508 	{ INTe(sim_num, sim_num) },
2509 	{ STRe(openssl_ciphers, openssl_ciphers) },
2510 	{ INTe(erp, erp) },
2511 #endif /* IEEE8021X_EAPOL */
2512 #ifdef CONFIG_WEP
2513 	{ FUNC_KEY(wep_key0) },
2514 	{ FUNC_KEY(wep_key1) },
2515 	{ FUNC_KEY(wep_key2) },
2516 	{ FUNC_KEY(wep_key3) },
2517 	{ INT(wep_tx_keyidx) },
2518 #endif /* CONFIG_WEP */
2519 	{ INT(priority) },
2520 #ifdef IEEE8021X_EAPOL
2521 	{ INT(eap_workaround) },
2522 	{ STRe(pac_file, pac_file) },
2523 	{ INTe(fragment_size, fragment_size) },
2524 	{ INTe(ocsp, cert.ocsp) },
2525 	{ INTe(ocsp2, phase2_cert.ocsp) },
2526 #endif /* IEEE8021X_EAPOL */
2527 #ifdef CONFIG_MESH
2528 	{ INT_RANGE(mode, 0, 5) },
2529 	{ INT_RANGE(no_auto_peer, 0, 1) },
2530 	{ INT_RANGE(mesh_rssi_threshold, -255, 1) },
2531 #else /* CONFIG_MESH */
2532 	{ INT_RANGE(mode, 0, 4) },
2533 #endif /* CONFIG_MESH */
2534 	{ INT_RANGE(proactive_key_caching, 0, 1) },
2535 	{ INT_RANGE(disabled, 0, 2) },
2536 	{ STR(id_str) },
2537 	{ INT_RANGE(ieee80211w, 0, 2) },
2538 #ifdef CONFIG_OCV
2539 	{ FUNC(ocv) },
2540 #endif /* CONFIG_OCV */
2541 	{ FUNC(peerkey) /* obsolete - removed */ },
2542 	{ INT_RANGE(mixed_cell, 0, 1) },
2543 	{ INT_RANGE(frequency, 0, 70200) },
2544 	{ INT_RANGE(fixed_freq, 0, 1) },
2545 	{ INT_RANGE(enable_edmg, 0, 1) },
2546 	{ INT_RANGE(edmg_channel, 9, 13) },
2547 #ifdef CONFIG_ACS
2548 	{ INT_RANGE(acs, 0, 1) },
2549 #endif /* CONFIG_ACS */
2550 #ifdef CONFIG_MESH
2551 	{ FUNC(mesh_basic_rates) },
2552 	{ INT(dot11MeshMaxRetries) },
2553 	{ INT(dot11MeshRetryTimeout) },
2554 	{ INT(dot11MeshConfirmTimeout) },
2555 	{ INT(dot11MeshHoldingTimeout) },
2556 #endif /* CONFIG_MESH */
2557 	{ INT(wpa_ptk_rekey) },
2558 	{ INT_RANGE(wpa_deny_ptk0_rekey, 0, 2) },
2559 	{ INT(group_rekey) },
2560 	{ STR(bgscan) },
2561 	{ INT_RANGE(ignore_broadcast_ssid, 0, 2) },
2562 #ifdef CONFIG_P2P
2563 	{ FUNC(go_p2p_dev_addr) },
2564 	{ FUNC(p2p_client_list) },
2565 	{ FUNC(psk_list) },
2566 #endif /* CONFIG_P2P */
2567 #ifdef CONFIG_HT_OVERRIDES
2568 	{ INT_RANGE(disable_ht, 0, 1) },
2569 	{ INT_RANGE(disable_ht40, -1, 1) },
2570 	{ INT_RANGE(disable_sgi, 0, 1) },
2571 	{ INT_RANGE(disable_ldpc, 0, 1) },
2572 	{ INT_RANGE(ht40_intolerant, 0, 1) },
2573 	{ INT_RANGE(tx_stbc, -1, 1) },
2574 	{ INT_RANGE(rx_stbc, -1, 3) },
2575 	{ INT_RANGE(disable_max_amsdu, -1, 1) },
2576 	{ INT_RANGE(ampdu_factor, -1, 3) },
2577 	{ INT_RANGE(ampdu_density, -1, 7) },
2578 	{ STR(ht_mcs) },
2579 #endif /* CONFIG_HT_OVERRIDES */
2580 #ifdef CONFIG_VHT_OVERRIDES
2581 	{ INT_RANGE(disable_vht, 0, 1) },
2582 	{ INT(vht_capa) },
2583 	{ INT(vht_capa_mask) },
2584 	{ INT_RANGE(vht_rx_mcs_nss_1, -1, 3) },
2585 	{ INT_RANGE(vht_rx_mcs_nss_2, -1, 3) },
2586 	{ INT_RANGE(vht_rx_mcs_nss_3, -1, 3) },
2587 	{ INT_RANGE(vht_rx_mcs_nss_4, -1, 3) },
2588 	{ INT_RANGE(vht_rx_mcs_nss_5, -1, 3) },
2589 	{ INT_RANGE(vht_rx_mcs_nss_6, -1, 3) },
2590 	{ INT_RANGE(vht_rx_mcs_nss_7, -1, 3) },
2591 	{ INT_RANGE(vht_rx_mcs_nss_8, -1, 3) },
2592 	{ INT_RANGE(vht_tx_mcs_nss_1, -1, 3) },
2593 	{ INT_RANGE(vht_tx_mcs_nss_2, -1, 3) },
2594 	{ INT_RANGE(vht_tx_mcs_nss_3, -1, 3) },
2595 	{ INT_RANGE(vht_tx_mcs_nss_4, -1, 3) },
2596 	{ INT_RANGE(vht_tx_mcs_nss_5, -1, 3) },
2597 	{ INT_RANGE(vht_tx_mcs_nss_6, -1, 3) },
2598 	{ INT_RANGE(vht_tx_mcs_nss_7, -1, 3) },
2599 	{ INT_RANGE(vht_tx_mcs_nss_8, -1, 3) },
2600 #endif /* CONFIG_VHT_OVERRIDES */
2601 #ifdef CONFIG_HE_OVERRIDES
2602 	{ INT_RANGE(disable_he, 0, 1)},
2603 #endif /* CONFIG_HE_OVERRIDES */
2604 	{ INT(ap_max_inactivity) },
2605 	{ INT(dtim_period) },
2606 	{ INT(beacon_int) },
2607 #ifdef CONFIG_MACSEC
2608 	{ INT_RANGE(macsec_policy, 0, 1) },
2609 	{ INT_RANGE(macsec_integ_only, 0, 1) },
2610 	{ INT_RANGE(macsec_replay_protect, 0, 1) },
2611 	{ INT(macsec_replay_window) },
2612 	{ INT_RANGE(macsec_port, 1, 65534) },
2613 	{ INT_RANGE(mka_priority, 0, 255) },
2614 	{ FUNC_KEY(mka_cak) },
2615 	{ FUNC_KEY(mka_ckn) },
2616 #endif /* CONFIG_MACSEC */
2617 #ifdef CONFIG_HS20
2618 	{ INT(update_identifier) },
2619 	{ STR_RANGE(roaming_consortium_selection, 0, MAX_ROAMING_CONS_OI_LEN) },
2620 #endif /* CONFIG_HS20 */
2621 	{ INT_RANGE(mac_addr, 0, 2) },
2622 	{ INT_RANGE(pbss, 0, 2) },
2623 	{ INT_RANGE(wps_disabled, 0, 1) },
2624 	{ INT_RANGE(fils_dh_group, 0, 65535) },
2625 #ifdef CONFIG_DPP
2626 	{ STR(dpp_connector) },
2627 	{ STR_LEN(dpp_netaccesskey) },
2628 	{ INT(dpp_netaccesskey_expiry) },
2629 	{ STR_LEN(dpp_csign) },
2630 	{ STR_LEN(dpp_pp_key) },
2631 	{ INT_RANGE(dpp_pfs, 0, 2) },
2632 #endif /* CONFIG_DPP */
2633 	{ INT_RANGE(owe_group, 0, 65535) },
2634 	{ INT_RANGE(owe_only, 0, 1) },
2635 	{ INT_RANGE(owe_ptk_workaround, 0, 1) },
2636 	{ INT_RANGE(multi_ap_backhaul_sta, 0, 1) },
2637 	{ INT_RANGE(ft_eap_pmksa_caching, 0, 1) },
2638 	{ INT_RANGE(beacon_prot, 0, 1) },
2639 	{ INT_RANGE(transition_disable, 0, 255) },
2640 	{ INT_RANGE(sae_pk, 0, 2) },
2641 };
2642 
2643 #undef OFFSET
2644 #undef _STR
2645 #undef STR
2646 #undef STR_KEY
2647 #undef _STR_LEN
2648 #undef STR_LEN
2649 #undef STR_LEN_KEY
2650 #undef _STR_RANGE
2651 #undef STR_RANGE
2652 #undef STR_RANGE_KEY
2653 #undef _INT
2654 #undef INT
2655 #undef INT_RANGE
2656 #undef _FUNC
2657 #undef FUNC
2658 #undef FUNC_KEY
2659 #define NUM_SSID_FIELDS ARRAY_SIZE(ssid_fields)
2660 
2661 
2662 /**
2663  * wpa_config_add_prio_network - Add a network to priority lists
2664  * @config: Configuration data from wpa_config_read()
2665  * @ssid: Pointer to the network configuration to be added to the list
2666  * Returns: 0 on success, -1 on failure
2667  *
2668  * This function is used to add a network block to the priority list of
2669  * networks. This must be called for each network when reading in the full
2670  * configuration. In addition, this can be used indirectly when updating
2671  * priorities by calling wpa_config_update_prio_list().
2672  */
2673 int wpa_config_add_prio_network(struct wpa_config *config,
2674 				struct wpa_ssid *ssid)
2675 {
2676 	size_t prio;
2677 	struct wpa_ssid *prev, **nlist;
2678 
2679 	/*
2680 	 * Add to an existing priority list if one is available for the
2681 	 * configured priority level for this network.
2682 	 */
2683 	for (prio = 0; prio < config->num_prio; prio++) {
2684 		prev = config->pssid[prio];
2685 		if (prev->priority == ssid->priority) {
2686 			while (prev->pnext)
2687 				prev = prev->pnext;
2688 			prev->pnext = ssid;
2689 			return 0;
2690 		}
2691 	}
2692 
2693 	/* First network for this priority - add a new priority list */
2694 	nlist = os_realloc_array(config->pssid, config->num_prio + 1,
2695 				 sizeof(struct wpa_ssid *));
2696 	if (nlist == NULL)
2697 		return -1;
2698 
2699 	for (prio = 0; prio < config->num_prio; prio++) {
2700 		if (nlist[prio]->priority < ssid->priority) {
2701 			os_memmove(&nlist[prio + 1], &nlist[prio],
2702 				   (config->num_prio - prio) *
2703 				   sizeof(struct wpa_ssid *));
2704 			break;
2705 		}
2706 	}
2707 
2708 	nlist[prio] = ssid;
2709 	config->num_prio++;
2710 	config->pssid = nlist;
2711 
2712 	return 0;
2713 }
2714 
2715 
2716 /**
2717  * wpa_config_update_prio_list - Update network priority list
2718  * @config: Configuration data from wpa_config_read()
2719  * Returns: 0 on success, -1 on failure
2720  *
2721  * This function is called to update the priority list of networks in the
2722  * configuration when a network is being added or removed. This is also called
2723  * if a priority for a network is changed.
2724  */
2725 int wpa_config_update_prio_list(struct wpa_config *config)
2726 {
2727 	struct wpa_ssid *ssid;
2728 	int ret = 0;
2729 
2730 	os_free(config->pssid);
2731 	config->pssid = NULL;
2732 	config->num_prio = 0;
2733 
2734 	ssid = config->ssid;
2735 	while (ssid) {
2736 		ssid->pnext = NULL;
2737 		if (wpa_config_add_prio_network(config, ssid) < 0)
2738 			ret = -1;
2739 		ssid = ssid->next;
2740 	}
2741 
2742 	return ret;
2743 }
2744 
2745 
2746 #ifdef IEEE8021X_EAPOL
2747 
2748 static void eap_peer_config_free_cert(struct eap_peer_cert_config *cert)
2749 {
2750 	os_free(cert->ca_cert);
2751 	os_free(cert->ca_path);
2752 	os_free(cert->client_cert);
2753 	os_free(cert->private_key);
2754 	str_clear_free(cert->private_key_passwd);
2755 	os_free(cert->dh_file);
2756 	os_free(cert->subject_match);
2757 	os_free(cert->check_cert_subject);
2758 	os_free(cert->altsubject_match);
2759 	os_free(cert->domain_suffix_match);
2760 	os_free(cert->domain_match);
2761 	str_clear_free(cert->pin);
2762 	os_free(cert->engine_id);
2763 	os_free(cert->key_id);
2764 	os_free(cert->cert_id);
2765 	os_free(cert->ca_cert_id);
2766 }
2767 
2768 
2769 static void eap_peer_config_free(struct eap_peer_config *eap)
2770 {
2771 	os_free(eap->eap_methods);
2772 	bin_clear_free(eap->identity, eap->identity_len);
2773 	os_free(eap->anonymous_identity);
2774 	os_free(eap->imsi_identity);
2775 	os_free(eap->machine_identity);
2776 	bin_clear_free(eap->password, eap->password_len);
2777 	bin_clear_free(eap->machine_password, eap->machine_password_len);
2778 	eap_peer_config_free_cert(&eap->cert);
2779 	eap_peer_config_free_cert(&eap->phase2_cert);
2780 	eap_peer_config_free_cert(&eap->machine_cert);
2781 	os_free(eap->phase1);
2782 	os_free(eap->phase2);
2783 	os_free(eap->machine_phase2);
2784 	os_free(eap->pcsc);
2785 	os_free(eap->otp);
2786 	os_free(eap->pending_req_otp);
2787 	os_free(eap->pac_file);
2788 	bin_clear_free(eap->new_password, eap->new_password_len);
2789 	str_clear_free(eap->external_sim_resp);
2790 	os_free(eap->openssl_ciphers);
2791 }
2792 
2793 #endif /* IEEE8021X_EAPOL */
2794 
2795 
2796 /**
2797  * wpa_config_free_ssid - Free network/ssid configuration data
2798  * @ssid: Configuration data for the network
2799  *
2800  * This function frees all resources allocated for the network configuration
2801  * data.
2802  */
2803 void wpa_config_free_ssid(struct wpa_ssid *ssid)
2804 {
2805 	struct psk_list_entry *psk;
2806 
2807 	os_free(ssid->ssid);
2808 	str_clear_free(ssid->passphrase);
2809 	os_free(ssid->ext_psk);
2810 	str_clear_free(ssid->sae_password);
2811 	os_free(ssid->sae_password_id);
2812 #ifdef IEEE8021X_EAPOL
2813 	eap_peer_config_free(&ssid->eap);
2814 #endif /* IEEE8021X_EAPOL */
2815 	os_free(ssid->id_str);
2816 	os_free(ssid->scan_freq);
2817 	os_free(ssid->freq_list);
2818 	os_free(ssid->bgscan);
2819 	os_free(ssid->p2p_client_list);
2820 	os_free(ssid->bssid_ignore);
2821 	os_free(ssid->bssid_accept);
2822 #ifdef CONFIG_HT_OVERRIDES
2823 	os_free(ssid->ht_mcs);
2824 #endif /* CONFIG_HT_OVERRIDES */
2825 #ifdef CONFIG_MESH
2826 	os_free(ssid->mesh_basic_rates);
2827 #endif /* CONFIG_MESH */
2828 #ifdef CONFIG_HS20
2829 	os_free(ssid->roaming_consortium_selection);
2830 #endif /* CONFIG_HS20 */
2831 	os_free(ssid->dpp_connector);
2832 	bin_clear_free(ssid->dpp_netaccesskey, ssid->dpp_netaccesskey_len);
2833 	os_free(ssid->dpp_csign);
2834 	os_free(ssid->dpp_pp_key);
2835 	while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry,
2836 				    list))) {
2837 		dl_list_del(&psk->list);
2838 		bin_clear_free(psk, sizeof(*psk));
2839 	}
2840 #ifdef CONFIG_SAE
2841 	sae_deinit_pt(ssid->pt);
2842 #endif /* CONFIG_SAE */
2843 	bin_clear_free(ssid, sizeof(*ssid));
2844 }
2845 
2846 
2847 void wpa_config_free_cred(struct wpa_cred *cred)
2848 {
2849 	size_t i;
2850 
2851 	os_free(cred->realm);
2852 	str_clear_free(cred->username);
2853 	str_clear_free(cred->password);
2854 	os_free(cred->ca_cert);
2855 	os_free(cred->client_cert);
2856 	os_free(cred->private_key);
2857 	str_clear_free(cred->private_key_passwd);
2858 	os_free(cred->imsi);
2859 	str_clear_free(cred->milenage);
2860 	for (i = 0; i < cred->num_domain; i++)
2861 		os_free(cred->domain[i]);
2862 	os_free(cred->domain);
2863 	os_free(cred->domain_suffix_match);
2864 	os_free(cred->eap_method);
2865 	os_free(cred->phase1);
2866 	os_free(cred->phase2);
2867 	os_free(cred->excluded_ssid);
2868 	os_free(cred->roaming_partner);
2869 	os_free(cred->provisioning_sp);
2870 	for (i = 0; i < cred->num_req_conn_capab; i++)
2871 		os_free(cred->req_conn_capab_port[i]);
2872 	os_free(cred->req_conn_capab_port);
2873 	os_free(cred->req_conn_capab_proto);
2874 	os_free(cred);
2875 }
2876 
2877 
2878 void wpa_config_flush_blobs(struct wpa_config *config)
2879 {
2880 #ifndef CONFIG_NO_CONFIG_BLOBS
2881 	struct wpa_config_blob *blob, *prev;
2882 
2883 	blob = config->blobs;
2884 	config->blobs = NULL;
2885 	while (blob) {
2886 		prev = blob;
2887 		blob = blob->next;
2888 		wpa_config_free_blob(prev);
2889 	}
2890 #endif /* CONFIG_NO_CONFIG_BLOBS */
2891 }
2892 
2893 
2894 /**
2895  * wpa_config_free - Free configuration data
2896  * @config: Configuration data from wpa_config_read()
2897  *
2898  * This function frees all resources allocated for the configuration data by
2899  * wpa_config_read().
2900  */
2901 void wpa_config_free(struct wpa_config *config)
2902 {
2903 	struct wpa_ssid *ssid, *prev = NULL;
2904 	struct wpa_cred *cred, *cprev;
2905 	int i;
2906 
2907 	ssid = config->ssid;
2908 	while (ssid) {
2909 		prev = ssid;
2910 		ssid = ssid->next;
2911 		wpa_config_free_ssid(prev);
2912 	}
2913 
2914 	cred = config->cred;
2915 	while (cred) {
2916 		cprev = cred;
2917 		cred = cred->next;
2918 		wpa_config_free_cred(cprev);
2919 	}
2920 
2921 	wpa_config_flush_blobs(config);
2922 
2923 	wpabuf_free(config->wps_vendor_ext_m1);
2924 	for (i = 0; i < MAX_WPS_VENDOR_EXT; i++)
2925 		wpabuf_free(config->wps_vendor_ext[i]);
2926 	os_free(config->ctrl_interface);
2927 	os_free(config->ctrl_interface_group);
2928 	os_free(config->opensc_engine_path);
2929 	os_free(config->pkcs11_engine_path);
2930 	os_free(config->pkcs11_module_path);
2931 	os_free(config->openssl_ciphers);
2932 	os_free(config->pcsc_reader);
2933 	str_clear_free(config->pcsc_pin);
2934 	os_free(config->driver_param);
2935 	os_free(config->device_name);
2936 	os_free(config->manufacturer);
2937 	os_free(config->model_name);
2938 	os_free(config->model_number);
2939 	os_free(config->serial_number);
2940 	os_free(config->config_methods);
2941 	os_free(config->p2p_ssid_postfix);
2942 	os_free(config->pssid);
2943 	os_free(config->p2p_pref_chan);
2944 	os_free(config->p2p_no_go_freq.range);
2945 	os_free(config->autoscan);
2946 	os_free(config->freq_list);
2947 	os_free(config->initial_freq_list);
2948 	wpabuf_free(config->wps_nfc_dh_pubkey);
2949 	wpabuf_free(config->wps_nfc_dh_privkey);
2950 	wpabuf_free(config->wps_nfc_dev_pw);
2951 	os_free(config->ext_password_backend);
2952 	os_free(config->sae_groups);
2953 	wpabuf_free(config->ap_vendor_elements);
2954 	os_free(config->osu_dir);
2955 	os_free(config->bgscan);
2956 	os_free(config->wowlan_triggers);
2957 	os_free(config->fst_group_id);
2958 	os_free(config->sched_scan_plans);
2959 #ifdef CONFIG_MBO
2960 	os_free(config->non_pref_chan);
2961 #endif /* CONFIG_MBO */
2962 	os_free(config->dpp_name);
2963 	os_free(config->dpp_mud_url);
2964 
2965 	os_free(config);
2966 }
2967 
2968 
2969 /**
2970  * wpa_config_foreach_network - Iterate over each configured network
2971  * @config: Configuration data from wpa_config_read()
2972  * @func: Callback function to process each network
2973  * @arg: Opaque argument to pass to callback function
2974  *
2975  * Iterate over the set of configured networks calling the specified
2976  * function for each item. We guard against callbacks removing the
2977  * supplied network.
2978  */
2979 void wpa_config_foreach_network(struct wpa_config *config,
2980 				void (*func)(void *, struct wpa_ssid *),
2981 				void *arg)
2982 {
2983 	struct wpa_ssid *ssid, *next;
2984 
2985 	ssid = config->ssid;
2986 	while (ssid) {
2987 		next = ssid->next;
2988 		func(arg, ssid);
2989 		ssid = next;
2990 	}
2991 }
2992 
2993 
2994 /**
2995  * wpa_config_get_network - Get configured network based on id
2996  * @config: Configuration data from wpa_config_read()
2997  * @id: Unique network id to search for
2998  * Returns: Network configuration or %NULL if not found
2999  */
3000 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
3001 {
3002 	struct wpa_ssid *ssid;
3003 
3004 	ssid = config->ssid;
3005 	while (ssid) {
3006 		if (id == ssid->id)
3007 			break;
3008 		ssid = ssid->next;
3009 	}
3010 
3011 	return ssid;
3012 }
3013 
3014 
3015 /**
3016  * wpa_config_add_network - Add a new network with empty configuration
3017  * @config: Configuration data from wpa_config_read()
3018  * Returns: The new network configuration or %NULL if operation failed
3019  */
3020 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
3021 {
3022 	int id;
3023 	struct wpa_ssid *ssid, *last = NULL;
3024 
3025 	id = -1;
3026 	ssid = config->ssid;
3027 	while (ssid) {
3028 		if (ssid->id > id)
3029 			id = ssid->id;
3030 		last = ssid;
3031 		ssid = ssid->next;
3032 	}
3033 	id++;
3034 
3035 	ssid = os_zalloc(sizeof(*ssid));
3036 	if (ssid == NULL)
3037 		return NULL;
3038 	ssid->id = id;
3039 	dl_list_init(&ssid->psk_list);
3040 	if (last)
3041 		last->next = ssid;
3042 	else
3043 		config->ssid = ssid;
3044 
3045 	wpa_config_update_prio_list(config);
3046 
3047 	return ssid;
3048 }
3049 
3050 
3051 /**
3052  * wpa_config_remove_network - Remove a configured network based on id
3053  * @config: Configuration data from wpa_config_read()
3054  * @id: Unique network id to search for
3055  * Returns: 0 on success, or -1 if the network was not found
3056  */
3057 int wpa_config_remove_network(struct wpa_config *config, int id)
3058 {
3059 	struct wpa_ssid *ssid, *prev = NULL;
3060 
3061 	ssid = config->ssid;
3062 	while (ssid) {
3063 		if (id == ssid->id)
3064 			break;
3065 		prev = ssid;
3066 		ssid = ssid->next;
3067 	}
3068 
3069 	if (ssid == NULL)
3070 		return -1;
3071 
3072 	if (prev)
3073 		prev->next = ssid->next;
3074 	else
3075 		config->ssid = ssid->next;
3076 
3077 	wpa_config_update_prio_list(config);
3078 	wpa_config_free_ssid(ssid);
3079 	return 0;
3080 }
3081 
3082 
3083 /**
3084  * wpa_config_set_network_defaults - Set network default values
3085  * @ssid: Pointer to network configuration data
3086  */
3087 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
3088 {
3089 	ssid->proto = DEFAULT_PROTO;
3090 	ssid->pairwise_cipher = DEFAULT_PAIRWISE;
3091 	ssid->group_cipher = DEFAULT_GROUP;
3092 	ssid->key_mgmt = DEFAULT_KEY_MGMT;
3093 	ssid->wpa_deny_ptk0_rekey = PTK0_REKEY_ALLOW_ALWAYS;
3094 	ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
3095 	ssid->ht = 1;
3096 	ssid->vht = 1;
3097 	ssid->he = 1;
3098 #ifdef IEEE8021X_EAPOL
3099 	ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
3100 	ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
3101 	ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
3102 	ssid->eap.sim_num = DEFAULT_USER_SELECTED_SIM;
3103 #endif /* IEEE8021X_EAPOL */
3104 #ifdef CONFIG_MESH
3105 	ssid->dot11MeshMaxRetries = DEFAULT_MESH_MAX_RETRIES;
3106 	ssid->dot11MeshRetryTimeout = DEFAULT_MESH_RETRY_TIMEOUT;
3107 	ssid->dot11MeshConfirmTimeout = DEFAULT_MESH_CONFIRM_TIMEOUT;
3108 	ssid->dot11MeshHoldingTimeout = DEFAULT_MESH_HOLDING_TIMEOUT;
3109 	ssid->mesh_rssi_threshold = DEFAULT_MESH_RSSI_THRESHOLD;
3110 #endif /* CONFIG_MESH */
3111 #ifdef CONFIG_HT_OVERRIDES
3112 	ssid->disable_ht = DEFAULT_DISABLE_HT;
3113 	ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
3114 	ssid->disable_sgi = DEFAULT_DISABLE_SGI;
3115 	ssid->disable_ldpc = DEFAULT_DISABLE_LDPC;
3116 	ssid->tx_stbc = DEFAULT_TX_STBC;
3117 	ssid->rx_stbc = DEFAULT_RX_STBC;
3118 	ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
3119 	ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
3120 	ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
3121 #endif /* CONFIG_HT_OVERRIDES */
3122 #ifdef CONFIG_VHT_OVERRIDES
3123 	ssid->vht_rx_mcs_nss_1 = -1;
3124 	ssid->vht_rx_mcs_nss_2 = -1;
3125 	ssid->vht_rx_mcs_nss_3 = -1;
3126 	ssid->vht_rx_mcs_nss_4 = -1;
3127 	ssid->vht_rx_mcs_nss_5 = -1;
3128 	ssid->vht_rx_mcs_nss_6 = -1;
3129 	ssid->vht_rx_mcs_nss_7 = -1;
3130 	ssid->vht_rx_mcs_nss_8 = -1;
3131 	ssid->vht_tx_mcs_nss_1 = -1;
3132 	ssid->vht_tx_mcs_nss_2 = -1;
3133 	ssid->vht_tx_mcs_nss_3 = -1;
3134 	ssid->vht_tx_mcs_nss_4 = -1;
3135 	ssid->vht_tx_mcs_nss_5 = -1;
3136 	ssid->vht_tx_mcs_nss_6 = -1;
3137 	ssid->vht_tx_mcs_nss_7 = -1;
3138 	ssid->vht_tx_mcs_nss_8 = -1;
3139 #endif /* CONFIG_VHT_OVERRIDES */
3140 	ssid->proactive_key_caching = -1;
3141 	ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT;
3142 #ifdef CONFIG_MACSEC
3143 	ssid->mka_priority = DEFAULT_PRIO_NOT_KEY_SERVER;
3144 #endif /* CONFIG_MACSEC */
3145 	ssid->mac_addr = -1;
3146 	ssid->max_oper_chwidth = DEFAULT_MAX_OPER_CHWIDTH;
3147 }
3148 
3149 
3150 /**
3151  * wpa_config_set - Set a variable in network configuration
3152  * @ssid: Pointer to network configuration data
3153  * @var: Variable name, e.g., "ssid"
3154  * @value: Variable value
3155  * @line: Line number in configuration file or 0 if not used
3156  * Returns: 0 on success with possible change in the value, 1 on success with
3157  * no change to previously configured value, or -1 on failure
3158  *
3159  * This function can be used to set network configuration variables based on
3160  * both the configuration file and management interface input. The value
3161  * parameter must be in the same format as the text-based configuration file is
3162  * using. For example, strings are using double quotation marks.
3163  */
3164 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
3165 		   int line)
3166 {
3167 	size_t i;
3168 	int ret = 0;
3169 
3170 	if (ssid == NULL || var == NULL || value == NULL)
3171 		return -1;
3172 
3173 	for (i = 0; i < NUM_SSID_FIELDS; i++) {
3174 		const struct parse_data *field = &ssid_fields[i];
3175 		if (os_strcmp(var, field->name) != 0)
3176 			continue;
3177 
3178 		ret = field->parser(field, ssid, line, value);
3179 		if (ret < 0) {
3180 			if (line) {
3181 				wpa_printf(MSG_ERROR, "Line %d: failed to "
3182 					   "parse %s '%s'.", line, var, value);
3183 			}
3184 			ret = -1;
3185 		}
3186 #ifdef CONFIG_SAE
3187 		if (os_strcmp(var, "ssid") == 0 ||
3188 		    os_strcmp(var, "psk") == 0 ||
3189 		    os_strcmp(var, "sae_password") == 0 ||
3190 		    os_strcmp(var, "sae_password_id") == 0) {
3191 			sae_deinit_pt(ssid->pt);
3192 			ssid->pt = NULL;
3193 		}
3194 #endif /* CONFIG_SAE */
3195 		break;
3196 	}
3197 	if (i == NUM_SSID_FIELDS) {
3198 		if (line) {
3199 			wpa_printf(MSG_ERROR, "Line %d: unknown network field "
3200 				   "'%s'.", line, var);
3201 		}
3202 		ret = -1;
3203 	}
3204 	ssid->was_recently_reconfigured = true;
3205 
3206 	return ret;
3207 }
3208 
3209 
3210 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
3211 			  const char *value)
3212 {
3213 	size_t len;
3214 	char *buf;
3215 	int ret;
3216 
3217 	len = os_strlen(value);
3218 	buf = os_malloc(len + 3);
3219 	if (buf == NULL)
3220 		return -1;
3221 	buf[0] = '"';
3222 	os_memcpy(buf + 1, value, len);
3223 	buf[len + 1] = '"';
3224 	buf[len + 2] = '\0';
3225 	ret = wpa_config_set(ssid, var, buf, 0);
3226 	os_free(buf);
3227 	return ret;
3228 }
3229 
3230 
3231 /**
3232  * wpa_config_get_all - Get all options from network configuration
3233  * @ssid: Pointer to network configuration data
3234  * @get_keys: Determines if keys/passwords will be included in returned list
3235  *	(if they may be exported)
3236  * Returns: %NULL terminated list of all set keys and their values in the form
3237  * of [key1, val1, key2, val2, ... , NULL]
3238  *
3239  * This function can be used to get list of all configured network properties.
3240  * The caller is responsible for freeing the returned list and all its
3241  * elements.
3242  */
3243 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
3244 {
3245 #ifdef NO_CONFIG_WRITE
3246 	return NULL;
3247 #else /* NO_CONFIG_WRITE */
3248 	const struct parse_data *field;
3249 	char *key, *value;
3250 	size_t i;
3251 	char **props;
3252 	int fields_num;
3253 
3254 	get_keys = get_keys && ssid->export_keys;
3255 
3256 	props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
3257 	if (!props)
3258 		return NULL;
3259 
3260 	fields_num = 0;
3261 	for (i = 0; i < NUM_SSID_FIELDS; i++) {
3262 		field = &ssid_fields[i];
3263 		if (field->key_data && !get_keys)
3264 			continue;
3265 		value = field->writer(field, ssid);
3266 		if (value == NULL)
3267 			continue;
3268 		if (os_strlen(value) == 0) {
3269 			os_free(value);
3270 			continue;
3271 		}
3272 
3273 		key = os_strdup(field->name);
3274 		if (key == NULL) {
3275 			os_free(value);
3276 			goto err;
3277 		}
3278 
3279 		props[fields_num * 2] = key;
3280 		props[fields_num * 2 + 1] = value;
3281 
3282 		fields_num++;
3283 	}
3284 
3285 	return props;
3286 
3287 err:
3288 	for (i = 0; props[i]; i++)
3289 		os_free(props[i]);
3290 	os_free(props);
3291 	return NULL;
3292 #endif /* NO_CONFIG_WRITE */
3293 }
3294 
3295 
3296 #ifndef NO_CONFIG_WRITE
3297 /**
3298  * wpa_config_get - Get a variable in network configuration
3299  * @ssid: Pointer to network configuration data
3300  * @var: Variable name, e.g., "ssid"
3301  * Returns: Value of the variable or %NULL on failure
3302  *
3303  * This function can be used to get network configuration variables. The
3304  * returned value is a copy of the configuration variable in text format, i.e,.
3305  * the same format that the text-based configuration file and wpa_config_set()
3306  * are using for the value. The caller is responsible for freeing the returned
3307  * value.
3308  */
3309 char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
3310 {
3311 	size_t i;
3312 
3313 	if (ssid == NULL || var == NULL)
3314 		return NULL;
3315 
3316 	for (i = 0; i < NUM_SSID_FIELDS; i++) {
3317 		const struct parse_data *field = &ssid_fields[i];
3318 		if (os_strcmp(var, field->name) == 0) {
3319 			char *ret = field->writer(field, ssid);
3320 
3321 			if (ret && has_newline(ret)) {
3322 				wpa_printf(MSG_ERROR,
3323 					   "Found newline in value for %s; not returning it",
3324 					   var);
3325 				os_free(ret);
3326 				ret = NULL;
3327 			}
3328 
3329 			return ret;
3330 		}
3331 	}
3332 
3333 	return NULL;
3334 }
3335 
3336 
3337 /**
3338  * wpa_config_get_no_key - Get a variable in network configuration (no keys)
3339  * @ssid: Pointer to network configuration data
3340  * @var: Variable name, e.g., "ssid"
3341  * Returns: Value of the variable or %NULL on failure
3342  *
3343  * This function can be used to get network configuration variable like
3344  * wpa_config_get(). The only difference is that this functions does not expose
3345  * key/password material from the configuration. In case a key/password field
3346  * is requested, the returned value is an empty string or %NULL if the variable
3347  * is not set or "*" if the variable is set (regardless of its value). The
3348  * returned value is a copy of the configuration variable in text format, i.e,.
3349  * the same format that the text-based configuration file and wpa_config_set()
3350  * are using for the value. The caller is responsible for freeing the returned
3351  * value.
3352  */
3353 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
3354 {
3355 	size_t i;
3356 
3357 	if (ssid == NULL || var == NULL)
3358 		return NULL;
3359 
3360 	for (i = 0; i < NUM_SSID_FIELDS; i++) {
3361 		const struct parse_data *field = &ssid_fields[i];
3362 		if (os_strcmp(var, field->name) == 0) {
3363 			char *res = field->writer(field, ssid);
3364 			if (field->key_data) {
3365 				if (res && res[0]) {
3366 					wpa_printf(MSG_DEBUG, "Do not allow "
3367 						   "key_data field to be "
3368 						   "exposed");
3369 					str_clear_free(res);
3370 					return os_strdup("*");
3371 				}
3372 
3373 				os_free(res);
3374 				return NULL;
3375 			}
3376 			return res;
3377 		}
3378 	}
3379 
3380 	return NULL;
3381 }
3382 #endif /* NO_CONFIG_WRITE */
3383 
3384 
3385 /**
3386  * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
3387  * @ssid: Pointer to network configuration data
3388  *
3389  * This function must be called to update WPA PSK when either SSID or the
3390  * passphrase has changed for the network configuration.
3391  */
3392 void wpa_config_update_psk(struct wpa_ssid *ssid)
3393 {
3394 #ifndef CONFIG_NO_PBKDF2
3395 	pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
3396 		    ssid->psk, PMK_LEN);
3397 	wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
3398 			ssid->psk, PMK_LEN);
3399 	ssid->psk_set = 1;
3400 #endif /* CONFIG_NO_PBKDF2 */
3401 }
3402 
3403 
3404 static int wpa_config_set_cred_req_conn_capab(struct wpa_cred *cred,
3405 					      const char *value)
3406 {
3407 	u8 *proto;
3408 	int **port;
3409 	int *ports, *nports;
3410 	const char *pos;
3411 	unsigned int num_ports;
3412 
3413 	proto = os_realloc_array(cred->req_conn_capab_proto,
3414 				 cred->num_req_conn_capab + 1, sizeof(u8));
3415 	if (proto == NULL)
3416 		return -1;
3417 	cred->req_conn_capab_proto = proto;
3418 
3419 	port = os_realloc_array(cred->req_conn_capab_port,
3420 				cred->num_req_conn_capab + 1, sizeof(int *));
3421 	if (port == NULL)
3422 		return -1;
3423 	cred->req_conn_capab_port = port;
3424 
3425 	proto[cred->num_req_conn_capab] = atoi(value);
3426 
3427 	pos = os_strchr(value, ':');
3428 	if (pos == NULL) {
3429 		port[cred->num_req_conn_capab] = NULL;
3430 		cred->num_req_conn_capab++;
3431 		return 0;
3432 	}
3433 	pos++;
3434 
3435 	ports = NULL;
3436 	num_ports = 0;
3437 
3438 	while (*pos) {
3439 		nports = os_realloc_array(ports, num_ports + 1, sizeof(int));
3440 		if (nports == NULL) {
3441 			os_free(ports);
3442 			return -1;
3443 		}
3444 		ports = nports;
3445 		ports[num_ports++] = atoi(pos);
3446 
3447 		pos = os_strchr(pos, ',');
3448 		if (pos == NULL)
3449 			break;
3450 		pos++;
3451 	}
3452 
3453 	nports = os_realloc_array(ports, num_ports + 1, sizeof(int));
3454 	if (nports == NULL) {
3455 		os_free(ports);
3456 		return -1;
3457 	}
3458 	ports = nports;
3459 	ports[num_ports] = -1;
3460 
3461 	port[cred->num_req_conn_capab] = ports;
3462 	cred->num_req_conn_capab++;
3463 	return 0;
3464 }
3465 
3466 
3467 static int wpa_config_set_cred_roaming_consortiums(struct wpa_cred *cred,
3468 						   const char *value)
3469 {
3470 	u8 roaming_consortiums[MAX_ROAMING_CONS][MAX_ROAMING_CONS_OI_LEN];
3471 	size_t roaming_consortiums_len[MAX_ROAMING_CONS];
3472 	unsigned int num_roaming_consortiums = 0;
3473 	const char *pos, *end;
3474 	size_t len;
3475 
3476 	os_memset(roaming_consortiums, 0, sizeof(roaming_consortiums));
3477 	os_memset(roaming_consortiums_len, 0, sizeof(roaming_consortiums_len));
3478 
3479 	for (pos = value;;) {
3480 		end = os_strchr(pos, ',');
3481 		len = end ? (size_t) (end - pos) : os_strlen(pos);
3482 		if (!end && len == 0)
3483 			break;
3484 		if (len == 0 || (len & 1) != 0 ||
3485 		    len / 2 > MAX_ROAMING_CONS_OI_LEN ||
3486 		    hexstr2bin(pos,
3487 			       roaming_consortiums[num_roaming_consortiums],
3488 			       len / 2) < 0) {
3489 			wpa_printf(MSG_INFO,
3490 				   "Invalid roaming_consortiums entry: %s",
3491 				   pos);
3492 			return -1;
3493 		}
3494 		roaming_consortiums_len[num_roaming_consortiums] = len / 2;
3495 		num_roaming_consortiums++;
3496 
3497 		if (!end)
3498 			break;
3499 
3500 		if (num_roaming_consortiums >= MAX_ROAMING_CONS) {
3501 			wpa_printf(MSG_INFO,
3502 				   "Too many roaming_consortiums OIs");
3503 			return -1;
3504 		}
3505 
3506 		pos = end + 1;
3507 	}
3508 
3509 	os_memcpy(cred->roaming_consortiums, roaming_consortiums,
3510 		  sizeof(roaming_consortiums));
3511 	os_memcpy(cred->roaming_consortiums_len, roaming_consortiums_len,
3512 		  sizeof(roaming_consortiums_len));
3513 	cred->num_roaming_consortiums = num_roaming_consortiums;
3514 
3515 	return 0;
3516 }
3517 
3518 
3519 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
3520 			const char *value, int line)
3521 {
3522 	char *val;
3523 	size_t len;
3524 	int res;
3525 
3526 	if (os_strcmp(var, "temporary") == 0) {
3527 		cred->temporary = atoi(value);
3528 		return 0;
3529 	}
3530 
3531 	if (os_strcmp(var, "priority") == 0) {
3532 		cred->priority = atoi(value);
3533 		return 0;
3534 	}
3535 
3536 	if (os_strcmp(var, "sp_priority") == 0) {
3537 		int prio = atoi(value);
3538 		if (prio < 0 || prio > 255)
3539 			return -1;
3540 		cred->sp_priority = prio;
3541 		return 0;
3542 	}
3543 
3544 	if (os_strcmp(var, "pcsc") == 0) {
3545 		cred->pcsc = atoi(value);
3546 		return 0;
3547 	}
3548 
3549 	if (os_strcmp(var, "eap") == 0) {
3550 		struct eap_method_type method;
3551 		method.method = eap_peer_get_type(value, &method.vendor);
3552 		if (method.vendor == EAP_VENDOR_IETF &&
3553 		    method.method == EAP_TYPE_NONE) {
3554 			wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
3555 				   "for a credential", line, value);
3556 			return -1;
3557 		}
3558 		os_free(cred->eap_method);
3559 		cred->eap_method = os_malloc(sizeof(*cred->eap_method));
3560 		if (cred->eap_method == NULL)
3561 			return -1;
3562 		os_memcpy(cred->eap_method, &method, sizeof(method));
3563 		return 0;
3564 	}
3565 
3566 	if (os_strcmp(var, "password") == 0 &&
3567 	    os_strncmp(value, "ext:", 4) == 0) {
3568 		if (has_newline(value))
3569 			return -1;
3570 		str_clear_free(cred->password);
3571 		cred->password = os_strdup(value);
3572 		cred->ext_password = 1;
3573 		return 0;
3574 	}
3575 
3576 	if (os_strcmp(var, "update_identifier") == 0) {
3577 		cred->update_identifier = atoi(value);
3578 		return 0;
3579 	}
3580 
3581 	if (os_strcmp(var, "min_dl_bandwidth_home") == 0) {
3582 		cred->min_dl_bandwidth_home = atoi(value);
3583 		return 0;
3584 	}
3585 
3586 	if (os_strcmp(var, "min_ul_bandwidth_home") == 0) {
3587 		cred->min_ul_bandwidth_home = atoi(value);
3588 		return 0;
3589 	}
3590 
3591 	if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) {
3592 		cred->min_dl_bandwidth_roaming = atoi(value);
3593 		return 0;
3594 	}
3595 
3596 	if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) {
3597 		cred->min_ul_bandwidth_roaming = atoi(value);
3598 		return 0;
3599 	}
3600 
3601 	if (os_strcmp(var, "max_bss_load") == 0) {
3602 		cred->max_bss_load = atoi(value);
3603 		return 0;
3604 	}
3605 
3606 	if (os_strcmp(var, "req_conn_capab") == 0)
3607 		return wpa_config_set_cred_req_conn_capab(cred, value);
3608 
3609 	if (os_strcmp(var, "ocsp") == 0) {
3610 		cred->ocsp = atoi(value);
3611 		return 0;
3612 	}
3613 
3614 	if (os_strcmp(var, "sim_num") == 0) {
3615 		cred->sim_num = atoi(value);
3616 		return 0;
3617 	}
3618 
3619 	val = wpa_config_parse_string(value, &len);
3620 	if (val == NULL ||
3621 	    (os_strcmp(var, "excluded_ssid") != 0 &&
3622 	     os_strcmp(var, "roaming_consortium") != 0 &&
3623 	     os_strcmp(var, "required_roaming_consortium") != 0 &&
3624 	     has_newline(val))) {
3625 		wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
3626 			   "value '%s'.", line, var, value);
3627 		os_free(val);
3628 		return -1;
3629 	}
3630 
3631 	if (os_strcmp(var, "realm") == 0) {
3632 		os_free(cred->realm);
3633 		cred->realm = val;
3634 		return 0;
3635 	}
3636 
3637 	if (os_strcmp(var, "username") == 0) {
3638 		str_clear_free(cred->username);
3639 		cred->username = val;
3640 		return 0;
3641 	}
3642 
3643 	if (os_strcmp(var, "password") == 0) {
3644 		str_clear_free(cred->password);
3645 		cred->password = val;
3646 		cred->ext_password = 0;
3647 		return 0;
3648 	}
3649 
3650 	if (os_strcmp(var, "ca_cert") == 0) {
3651 		os_free(cred->ca_cert);
3652 		cred->ca_cert = val;
3653 		return 0;
3654 	}
3655 
3656 	if (os_strcmp(var, "client_cert") == 0) {
3657 		os_free(cred->client_cert);
3658 		cred->client_cert = val;
3659 		return 0;
3660 	}
3661 
3662 	if (os_strcmp(var, "private_key") == 0) {
3663 		os_free(cred->private_key);
3664 		cred->private_key = val;
3665 		return 0;
3666 	}
3667 
3668 	if (os_strcmp(var, "private_key_passwd") == 0) {
3669 		str_clear_free(cred->private_key_passwd);
3670 		cred->private_key_passwd = val;
3671 		return 0;
3672 	}
3673 
3674 	if (os_strcmp(var, "imsi") == 0) {
3675 		os_free(cred->imsi);
3676 		cred->imsi = val;
3677 		return 0;
3678 	}
3679 
3680 	if (os_strcmp(var, "milenage") == 0) {
3681 		str_clear_free(cred->milenage);
3682 		cred->milenage = val;
3683 		return 0;
3684 	}
3685 
3686 	if (os_strcmp(var, "domain_suffix_match") == 0) {
3687 		os_free(cred->domain_suffix_match);
3688 		cred->domain_suffix_match = val;
3689 		return 0;
3690 	}
3691 
3692 	if (os_strcmp(var, "domain") == 0) {
3693 		char **new_domain;
3694 		new_domain = os_realloc_array(cred->domain,
3695 					      cred->num_domain + 1,
3696 					      sizeof(char *));
3697 		if (new_domain == NULL) {
3698 			os_free(val);
3699 			return -1;
3700 		}
3701 		new_domain[cred->num_domain++] = val;
3702 		cred->domain = new_domain;
3703 		return 0;
3704 	}
3705 
3706 	if (os_strcmp(var, "phase1") == 0) {
3707 		os_free(cred->phase1);
3708 		cred->phase1 = val;
3709 		return 0;
3710 	}
3711 
3712 	if (os_strcmp(var, "phase2") == 0) {
3713 		os_free(cred->phase2);
3714 		cred->phase2 = val;
3715 		return 0;
3716 	}
3717 
3718 	if (os_strcmp(var, "roaming_consortium") == 0) {
3719 		if (len < 3 || len > sizeof(cred->roaming_consortium)) {
3720 			wpa_printf(MSG_ERROR, "Line %d: invalid "
3721 				   "roaming_consortium length %d (3..15 "
3722 				   "expected)", line, (int) len);
3723 			os_free(val);
3724 			return -1;
3725 		}
3726 		os_memcpy(cred->roaming_consortium, val, len);
3727 		cred->roaming_consortium_len = len;
3728 		os_free(val);
3729 		return 0;
3730 	}
3731 
3732 	if (os_strcmp(var, "required_roaming_consortium") == 0) {
3733 		if (len < 3 || len > sizeof(cred->required_roaming_consortium))
3734 		{
3735 			wpa_printf(MSG_ERROR, "Line %d: invalid "
3736 				   "required_roaming_consortium length %d "
3737 				   "(3..15 expected)", line, (int) len);
3738 			os_free(val);
3739 			return -1;
3740 		}
3741 		os_memcpy(cred->required_roaming_consortium, val, len);
3742 		cred->required_roaming_consortium_len = len;
3743 		os_free(val);
3744 		return 0;
3745 	}
3746 
3747 	if (os_strcmp(var, "roaming_consortiums") == 0) {
3748 		res = wpa_config_set_cred_roaming_consortiums(cred, val);
3749 		if (res < 0)
3750 			wpa_printf(MSG_ERROR,
3751 				   "Line %d: invalid roaming_consortiums",
3752 				   line);
3753 		os_free(val);
3754 		return res;
3755 	}
3756 
3757 	if (os_strcmp(var, "excluded_ssid") == 0) {
3758 		struct excluded_ssid *e;
3759 
3760 		if (len > SSID_MAX_LEN) {
3761 			wpa_printf(MSG_ERROR, "Line %d: invalid "
3762 				   "excluded_ssid length %d", line, (int) len);
3763 			os_free(val);
3764 			return -1;
3765 		}
3766 
3767 		e = os_realloc_array(cred->excluded_ssid,
3768 				     cred->num_excluded_ssid + 1,
3769 				     sizeof(struct excluded_ssid));
3770 		if (e == NULL) {
3771 			os_free(val);
3772 			return -1;
3773 		}
3774 		cred->excluded_ssid = e;
3775 
3776 		e = &cred->excluded_ssid[cred->num_excluded_ssid++];
3777 		os_memcpy(e->ssid, val, len);
3778 		e->ssid_len = len;
3779 
3780 		os_free(val);
3781 
3782 		return 0;
3783 	}
3784 
3785 	if (os_strcmp(var, "roaming_partner") == 0) {
3786 		struct roaming_partner *p;
3787 		char *pos;
3788 
3789 		p = os_realloc_array(cred->roaming_partner,
3790 				     cred->num_roaming_partner + 1,
3791 				     sizeof(struct roaming_partner));
3792 		if (p == NULL) {
3793 			os_free(val);
3794 			return -1;
3795 		}
3796 		cred->roaming_partner = p;
3797 
3798 		p = &cred->roaming_partner[cred->num_roaming_partner];
3799 
3800 		pos = os_strchr(val, ',');
3801 		if (pos == NULL) {
3802 			os_free(val);
3803 			return -1;
3804 		}
3805 		*pos++ = '\0';
3806 		if (pos - val - 1 >= (int) sizeof(p->fqdn)) {
3807 			os_free(val);
3808 			return -1;
3809 		}
3810 		os_memcpy(p->fqdn, val, pos - val);
3811 
3812 		p->exact_match = atoi(pos);
3813 
3814 		pos = os_strchr(pos, ',');
3815 		if (pos == NULL) {
3816 			os_free(val);
3817 			return -1;
3818 		}
3819 		*pos++ = '\0';
3820 
3821 		p->priority = atoi(pos);
3822 
3823 		pos = os_strchr(pos, ',');
3824 		if (pos == NULL) {
3825 			os_free(val);
3826 			return -1;
3827 		}
3828 		*pos++ = '\0';
3829 
3830 		if (os_strlen(pos) >= sizeof(p->country)) {
3831 			os_free(val);
3832 			return -1;
3833 		}
3834 		os_memcpy(p->country, pos, os_strlen(pos) + 1);
3835 
3836 		cred->num_roaming_partner++;
3837 		os_free(val);
3838 
3839 		return 0;
3840 	}
3841 
3842 	if (os_strcmp(var, "provisioning_sp") == 0) {
3843 		os_free(cred->provisioning_sp);
3844 		cred->provisioning_sp = val;
3845 		return 0;
3846 	}
3847 
3848 	if (line) {
3849 		wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
3850 			   line, var);
3851 	}
3852 
3853 	os_free(val);
3854 
3855 	return -1;
3856 }
3857 
3858 
3859 static char * alloc_int_str(int val)
3860 {
3861 	const unsigned int bufsize = 20;
3862 	char *buf;
3863 	int res;
3864 
3865 	buf = os_malloc(bufsize);
3866 	if (buf == NULL)
3867 		return NULL;
3868 	res = os_snprintf(buf, bufsize, "%d", val);
3869 	if (os_snprintf_error(bufsize, res)) {
3870 		os_free(buf);
3871 		buf = NULL;
3872 	}
3873 	return buf;
3874 }
3875 
3876 
3877 static char * alloc_strdup(const char *str)
3878 {
3879 	if (str == NULL)
3880 		return NULL;
3881 	return os_strdup(str);
3882 }
3883 
3884 
3885 char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var)
3886 {
3887 	if (os_strcmp(var, "temporary") == 0)
3888 		return alloc_int_str(cred->temporary);
3889 
3890 	if (os_strcmp(var, "priority") == 0)
3891 		return alloc_int_str(cred->priority);
3892 
3893 	if (os_strcmp(var, "sp_priority") == 0)
3894 		return alloc_int_str(cred->sp_priority);
3895 
3896 	if (os_strcmp(var, "pcsc") == 0)
3897 		return alloc_int_str(cred->pcsc);
3898 
3899 	if (os_strcmp(var, "eap") == 0) {
3900 		if (!cred->eap_method)
3901 			return NULL;
3902 		return alloc_strdup(eap_get_name(cred->eap_method[0].vendor,
3903 						 cred->eap_method[0].method));
3904 	}
3905 
3906 	if (os_strcmp(var, "update_identifier") == 0)
3907 		return alloc_int_str(cred->update_identifier);
3908 
3909 	if (os_strcmp(var, "min_dl_bandwidth_home") == 0)
3910 		return alloc_int_str(cred->min_dl_bandwidth_home);
3911 
3912 	if (os_strcmp(var, "min_ul_bandwidth_home") == 0)
3913 		return alloc_int_str(cred->min_ul_bandwidth_home);
3914 
3915 	if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0)
3916 		return alloc_int_str(cred->min_dl_bandwidth_roaming);
3917 
3918 	if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0)
3919 		return alloc_int_str(cred->min_ul_bandwidth_roaming);
3920 
3921 	if (os_strcmp(var, "max_bss_load") == 0)
3922 		return alloc_int_str(cred->max_bss_load);
3923 
3924 	if (os_strcmp(var, "req_conn_capab") == 0) {
3925 		unsigned int i;
3926 		char *buf, *end, *pos;
3927 		int ret;
3928 
3929 		if (!cred->num_req_conn_capab)
3930 			return NULL;
3931 
3932 		buf = os_malloc(4000);
3933 		if (buf == NULL)
3934 			return NULL;
3935 		pos = buf;
3936 		end = pos + 4000;
3937 		for (i = 0; i < cred->num_req_conn_capab; i++) {
3938 			int *ports;
3939 
3940 			ret = os_snprintf(pos, end - pos, "%s%u",
3941 					  i > 0 ? "\n" : "",
3942 					  cred->req_conn_capab_proto[i]);
3943 			if (os_snprintf_error(end - pos, ret))
3944 				return buf;
3945 			pos += ret;
3946 
3947 			ports = cred->req_conn_capab_port[i];
3948 			if (ports) {
3949 				int j;
3950 				for (j = 0; ports[j] != -1; j++) {
3951 					ret = os_snprintf(pos, end - pos,
3952 							  "%s%d",
3953 							  j > 0 ? "," : ":",
3954 							  ports[j]);
3955 					if (os_snprintf_error(end - pos, ret))
3956 						return buf;
3957 					pos += ret;
3958 				}
3959 			}
3960 		}
3961 
3962 		return buf;
3963 	}
3964 
3965 	if (os_strcmp(var, "ocsp") == 0)
3966 		return alloc_int_str(cred->ocsp);
3967 
3968 	if (os_strcmp(var, "realm") == 0)
3969 		return alloc_strdup(cred->realm);
3970 
3971 	if (os_strcmp(var, "username") == 0)
3972 		return alloc_strdup(cred->username);
3973 
3974 	if (os_strcmp(var, "password") == 0) {
3975 		if (!cred->password)
3976 			return NULL;
3977 		return alloc_strdup("*");
3978 	}
3979 
3980 	if (os_strcmp(var, "ca_cert") == 0)
3981 		return alloc_strdup(cred->ca_cert);
3982 
3983 	if (os_strcmp(var, "client_cert") == 0)
3984 		return alloc_strdup(cred->client_cert);
3985 
3986 	if (os_strcmp(var, "private_key") == 0)
3987 		return alloc_strdup(cred->private_key);
3988 
3989 	if (os_strcmp(var, "private_key_passwd") == 0) {
3990 		if (!cred->private_key_passwd)
3991 			return NULL;
3992 		return alloc_strdup("*");
3993 	}
3994 
3995 	if (os_strcmp(var, "imsi") == 0)
3996 		return alloc_strdup(cred->imsi);
3997 
3998 	if (os_strcmp(var, "milenage") == 0) {
3999 		if (!(cred->milenage))
4000 			return NULL;
4001 		return alloc_strdup("*");
4002 	}
4003 
4004 	if (os_strcmp(var, "domain_suffix_match") == 0)
4005 		return alloc_strdup(cred->domain_suffix_match);
4006 
4007 	if (os_strcmp(var, "domain") == 0) {
4008 		unsigned int i;
4009 		char *buf, *end, *pos;
4010 		int ret;
4011 
4012 		if (!cred->num_domain)
4013 			return NULL;
4014 
4015 		buf = os_malloc(4000);
4016 		if (buf == NULL)
4017 			return NULL;
4018 		pos = buf;
4019 		end = pos + 4000;
4020 
4021 		for (i = 0; i < cred->num_domain; i++) {
4022 			ret = os_snprintf(pos, end - pos, "%s%s",
4023 					  i > 0 ? "\n" : "", cred->domain[i]);
4024 			if (os_snprintf_error(end - pos, ret))
4025 				return buf;
4026 			pos += ret;
4027 		}
4028 
4029 		return buf;
4030 	}
4031 
4032 	if (os_strcmp(var, "phase1") == 0)
4033 		return alloc_strdup(cred->phase1);
4034 
4035 	if (os_strcmp(var, "phase2") == 0)
4036 		return alloc_strdup(cred->phase2);
4037 
4038 	if (os_strcmp(var, "roaming_consortium") == 0) {
4039 		size_t buflen;
4040 		char *buf;
4041 
4042 		if (!cred->roaming_consortium_len)
4043 			return NULL;
4044 		buflen = cred->roaming_consortium_len * 2 + 1;
4045 		buf = os_malloc(buflen);
4046 		if (buf == NULL)
4047 			return NULL;
4048 		wpa_snprintf_hex(buf, buflen, cred->roaming_consortium,
4049 				 cred->roaming_consortium_len);
4050 		return buf;
4051 	}
4052 
4053 	if (os_strcmp(var, "required_roaming_consortium") == 0) {
4054 		size_t buflen;
4055 		char *buf;
4056 
4057 		if (!cred->required_roaming_consortium_len)
4058 			return NULL;
4059 		buflen = cred->required_roaming_consortium_len * 2 + 1;
4060 		buf = os_malloc(buflen);
4061 		if (buf == NULL)
4062 			return NULL;
4063 		wpa_snprintf_hex(buf, buflen, cred->required_roaming_consortium,
4064 				 cred->required_roaming_consortium_len);
4065 		return buf;
4066 	}
4067 
4068 	if (os_strcmp(var, "roaming_consortiums") == 0) {
4069 		size_t buflen;
4070 		char *buf, *pos;
4071 		size_t i;
4072 
4073 		if (!cred->num_roaming_consortiums)
4074 			return NULL;
4075 		buflen = cred->num_roaming_consortiums *
4076 			MAX_ROAMING_CONS_OI_LEN * 2 + 1;
4077 		buf = os_malloc(buflen);
4078 		if (!buf)
4079 			return NULL;
4080 		pos = buf;
4081 		for (i = 0; i < cred->num_roaming_consortiums; i++) {
4082 			if (i > 0)
4083 				*pos++ = ',';
4084 			pos += wpa_snprintf_hex(
4085 				pos, buf + buflen - pos,
4086 				cred->roaming_consortiums[i],
4087 				cred->roaming_consortiums_len[i]);
4088 		}
4089 		*pos = '\0';
4090 		return buf;
4091 	}
4092 
4093 	if (os_strcmp(var, "excluded_ssid") == 0) {
4094 		unsigned int i;
4095 		char *buf, *end, *pos;
4096 
4097 		if (!cred->num_excluded_ssid)
4098 			return NULL;
4099 
4100 		buf = os_malloc(4000);
4101 		if (buf == NULL)
4102 			return NULL;
4103 		pos = buf;
4104 		end = pos + 4000;
4105 
4106 		for (i = 0; i < cred->num_excluded_ssid; i++) {
4107 			struct excluded_ssid *e;
4108 			int ret;
4109 
4110 			e = &cred->excluded_ssid[i];
4111 			ret = os_snprintf(pos, end - pos, "%s%s",
4112 					  i > 0 ? "\n" : "",
4113 					  wpa_ssid_txt(e->ssid, e->ssid_len));
4114 			if (os_snprintf_error(end - pos, ret))
4115 				return buf;
4116 			pos += ret;
4117 		}
4118 
4119 		return buf;
4120 	}
4121 
4122 	if (os_strcmp(var, "roaming_partner") == 0) {
4123 		unsigned int i;
4124 		char *buf, *end, *pos;
4125 
4126 		if (!cred->num_roaming_partner)
4127 			return NULL;
4128 
4129 		buf = os_malloc(4000);
4130 		if (buf == NULL)
4131 			return NULL;
4132 		pos = buf;
4133 		end = pos + 4000;
4134 
4135 		for (i = 0; i < cred->num_roaming_partner; i++) {
4136 			struct roaming_partner *p;
4137 			int ret;
4138 
4139 			p = &cred->roaming_partner[i];
4140 			ret = os_snprintf(pos, end - pos, "%s%s,%d,%u,%s",
4141 					  i > 0 ? "\n" : "",
4142 					  p->fqdn, p->exact_match, p->priority,
4143 					  p->country);
4144 			if (os_snprintf_error(end - pos, ret))
4145 				return buf;
4146 			pos += ret;
4147 		}
4148 
4149 		return buf;
4150 	}
4151 
4152 	if (os_strcmp(var, "provisioning_sp") == 0)
4153 		return alloc_strdup(cred->provisioning_sp);
4154 
4155 	return NULL;
4156 }
4157 
4158 
4159 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
4160 {
4161 	struct wpa_cred *cred;
4162 
4163 	cred = config->cred;
4164 	while (cred) {
4165 		if (id == cred->id)
4166 			break;
4167 		cred = cred->next;
4168 	}
4169 
4170 	return cred;
4171 }
4172 
4173 
4174 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
4175 {
4176 	int id;
4177 	struct wpa_cred *cred, *last = NULL;
4178 
4179 	id = -1;
4180 	cred = config->cred;
4181 	while (cred) {
4182 		if (cred->id > id)
4183 			id = cred->id;
4184 		last = cred;
4185 		cred = cred->next;
4186 	}
4187 	id++;
4188 
4189 	cred = os_zalloc(sizeof(*cred));
4190 	if (cred == NULL)
4191 		return NULL;
4192 	cred->id = id;
4193 	cred->sim_num = DEFAULT_USER_SELECTED_SIM;
4194 	if (last)
4195 		last->next = cred;
4196 	else
4197 		config->cred = cred;
4198 
4199 	return cred;
4200 }
4201 
4202 
4203 int wpa_config_remove_cred(struct wpa_config *config, int id)
4204 {
4205 	struct wpa_cred *cred, *prev = NULL;
4206 
4207 	cred = config->cred;
4208 	while (cred) {
4209 		if (id == cred->id)
4210 			break;
4211 		prev = cred;
4212 		cred = cred->next;
4213 	}
4214 
4215 	if (cred == NULL)
4216 		return -1;
4217 
4218 	if (prev)
4219 		prev->next = cred->next;
4220 	else
4221 		config->cred = cred->next;
4222 
4223 	wpa_config_free_cred(cred);
4224 	return 0;
4225 }
4226 
4227 
4228 #ifndef CONFIG_NO_CONFIG_BLOBS
4229 /**
4230  * wpa_config_get_blob - Get a named configuration blob
4231  * @config: Configuration data from wpa_config_read()
4232  * @name: Name of the blob
4233  * Returns: Pointer to blob data or %NULL if not found
4234  */
4235 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
4236 						   const char *name)
4237 {
4238 	struct wpa_config_blob *blob = config->blobs;
4239 
4240 	while (blob) {
4241 		if (os_strcmp(blob->name, name) == 0)
4242 			return blob;
4243 		blob = blob->next;
4244 	}
4245 	return NULL;
4246 }
4247 
4248 
4249 /**
4250  * wpa_config_set_blob - Set or add a named configuration blob
4251  * @config: Configuration data from wpa_config_read()
4252  * @blob: New value for the blob
4253  *
4254  * Adds a new configuration blob or replaces the current value of an existing
4255  * blob.
4256  */
4257 void wpa_config_set_blob(struct wpa_config *config,
4258 			 struct wpa_config_blob *blob)
4259 {
4260 	wpa_config_remove_blob(config, blob->name);
4261 	blob->next = config->blobs;
4262 	config->blobs = blob;
4263 }
4264 
4265 
4266 /**
4267  * wpa_config_free_blob - Free blob data
4268  * @blob: Pointer to blob to be freed
4269  */
4270 void wpa_config_free_blob(struct wpa_config_blob *blob)
4271 {
4272 	if (blob) {
4273 		os_free(blob->name);
4274 		bin_clear_free(blob->data, blob->len);
4275 		os_free(blob);
4276 	}
4277 }
4278 
4279 
4280 /**
4281  * wpa_config_remove_blob - Remove a named configuration blob
4282  * @config: Configuration data from wpa_config_read()
4283  * @name: Name of the blob to remove
4284  * Returns: 0 if blob was removed or -1 if blob was not found
4285  */
4286 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
4287 {
4288 	struct wpa_config_blob *pos = config->blobs, *prev = NULL;
4289 
4290 	while (pos) {
4291 		if (os_strcmp(pos->name, name) == 0) {
4292 			if (prev)
4293 				prev->next = pos->next;
4294 			else
4295 				config->blobs = pos->next;
4296 			wpa_config_free_blob(pos);
4297 			return 0;
4298 		}
4299 		prev = pos;
4300 		pos = pos->next;
4301 	}
4302 
4303 	return -1;
4304 }
4305 #endif /* CONFIG_NO_CONFIG_BLOBS */
4306 
4307 
4308 /**
4309  * wpa_config_alloc_empty - Allocate an empty configuration
4310  * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
4311  * socket
4312  * @driver_param: Driver parameters
4313  * Returns: Pointer to allocated configuration data or %NULL on failure
4314  */
4315 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
4316 					   const char *driver_param)
4317 {
4318 #define ecw2cw(ecw) ((1 << (ecw)) - 1)
4319 
4320 	struct wpa_config *config;
4321 	const int aCWmin = 4, aCWmax = 10;
4322 	const struct hostapd_wmm_ac_params ac_bk =
4323 		{ aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
4324 	const struct hostapd_wmm_ac_params ac_be =
4325 		{ aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
4326 	const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
4327 		{ aCWmin - 1, aCWmin, 2, 3008 / 32, 0 };
4328 	const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
4329 		{ aCWmin - 2, aCWmin - 1, 2, 1504 / 32, 0 };
4330 	const struct hostapd_tx_queue_params txq_bk =
4331 		{ 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 };
4332 	const struct hostapd_tx_queue_params txq_be =
4333 		{ 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0 };
4334 	const struct hostapd_tx_queue_params txq_vi =
4335 		{ 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30 };
4336 	const struct hostapd_tx_queue_params txq_vo =
4337 		{ 1, (ecw2cw(aCWmin) + 1) / 4 - 1,
4338 		  (ecw2cw(aCWmin) + 1) / 2 - 1, 15 };
4339 
4340 #undef ecw2cw
4341 
4342 	config = os_zalloc(sizeof(*config));
4343 	if (config == NULL)
4344 		return NULL;
4345 	config->eapol_version = DEFAULT_EAPOL_VERSION;
4346 	config->ap_scan = DEFAULT_AP_SCAN;
4347 	config->user_mpm = DEFAULT_USER_MPM;
4348 	config->max_peer_links = DEFAULT_MAX_PEER_LINKS;
4349 	config->mesh_max_inactivity = DEFAULT_MESH_MAX_INACTIVITY;
4350 	config->dot11RSNASAERetransPeriod =
4351 		DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD;
4352 	config->fast_reauth = DEFAULT_FAST_REAUTH;
4353 	config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
4354 	config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
4355 	config->p2p_go_freq_change_policy = DEFAULT_P2P_GO_FREQ_MOVE;
4356 	config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
4357 	config->p2p_optimize_listen_chan = DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN;
4358 	config->p2p_go_ctwindow = DEFAULT_P2P_GO_CTWINDOW;
4359 	config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
4360 	config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
4361 	config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
4362 	config->max_num_sta = DEFAULT_MAX_NUM_STA;
4363 	config->ap_isolate = DEFAULT_AP_ISOLATE;
4364 	config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
4365 	config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ;
4366 	config->scan_res_valid_for_connect = DEFAULT_SCAN_RES_VALID_FOR_CONNECT;
4367 	config->wmm_ac_params[0] = ac_be;
4368 	config->wmm_ac_params[1] = ac_bk;
4369 	config->wmm_ac_params[2] = ac_vi;
4370 	config->wmm_ac_params[3] = ac_vo;
4371 	config->tx_queue[0] = txq_vo;
4372 	config->tx_queue[1] = txq_vi;
4373 	config->tx_queue[2] = txq_be;
4374 	config->tx_queue[3] = txq_bk;
4375 	config->p2p_search_delay = DEFAULT_P2P_SEARCH_DELAY;
4376 	config->rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME;
4377 	config->key_mgmt_offload = DEFAULT_KEY_MGMT_OFFLOAD;
4378 	config->cert_in_cb = DEFAULT_CERT_IN_CB;
4379 	config->wpa_rsc_relaxation = DEFAULT_WPA_RSC_RELAXATION;
4380 	config->extended_key_id = DEFAULT_EXTENDED_KEY_ID;
4381 
4382 #ifdef CONFIG_MBO
4383 	config->mbo_cell_capa = DEFAULT_MBO_CELL_CAPA;
4384 	config->disassoc_imminent_rssi_threshold =
4385 		DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD;
4386 	config->oce = DEFAULT_OCE_SUPPORT;
4387 #endif /* CONFIG_MBO */
4388 
4389 	if (ctrl_interface)
4390 		config->ctrl_interface = os_strdup(ctrl_interface);
4391 	if (driver_param)
4392 		config->driver_param = os_strdup(driver_param);
4393 	config->gas_rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME;
4394 
4395 	return config;
4396 }
4397 
4398 
4399 #ifndef CONFIG_NO_STDOUT_DEBUG
4400 /**
4401  * wpa_config_debug_dump_networks - Debug dump of configured networks
4402  * @config: Configuration data from wpa_config_read()
4403  */
4404 void wpa_config_debug_dump_networks(struct wpa_config *config)
4405 {
4406 	size_t prio;
4407 	struct wpa_ssid *ssid;
4408 
4409 	for (prio = 0; prio < config->num_prio; prio++) {
4410 		ssid = config->pssid[prio];
4411 		wpa_printf(MSG_DEBUG, "Priority group %d",
4412 			   ssid->priority);
4413 		while (ssid) {
4414 			wpa_printf(MSG_DEBUG, "   id=%d ssid='%s'",
4415 				   ssid->id,
4416 				   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
4417 			ssid = ssid->pnext;
4418 		}
4419 	}
4420 }
4421 #endif /* CONFIG_NO_STDOUT_DEBUG */
4422 
4423 
4424 /**
4425  * Structure for global configuration parsing. This data is used to implement a
4426  * generic parser for the global interface configuration. The table of variables
4427  * is defined below in this file (global_fields[]).
4428  */
4429 struct global_parse_data {
4430 	/* Configuration variable name */
4431 	char *name;
4432 
4433 	/* Parser function for this variable. The parser functions return 0 or 1
4434 	 * to indicate success. Value 0 indicates that the parameter value may
4435 	 * have changed while value 1 means that the value did not change.
4436 	 * Error cases (failure to parse the string) are indicated by returning
4437 	 * -1. */
4438 	int (*parser)(const struct global_parse_data *data,
4439 		      struct wpa_config *config, int line, const char *value);
4440 
4441 	/* Getter function to print the variable in text format to buf. */
4442 	int (*get)(const char *name, struct wpa_config *config, long offset,
4443 		   char *buf, size_t buflen, int pretty_print);
4444 
4445 	/* Variable specific parameters for the parser. */
4446 	void *param1, *param2, *param3;
4447 
4448 	/* Indicates which configuration variable has changed. */
4449 	unsigned int changed_flag;
4450 };
4451 
4452 
4453 static int wpa_global_config_parse_int(const struct global_parse_data *data,
4454 				       struct wpa_config *config, int line,
4455 				       const char *pos)
4456 {
4457 	int val, *dst;
4458 	char *end;
4459 	bool same;
4460 
4461 	dst = (int *) (((u8 *) config) + (long) data->param1);
4462 	val = strtol(pos, &end, 0);
4463 	if (*end) {
4464 		wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
4465 			   line, pos);
4466 		return -1;
4467 	}
4468 	same = *dst == val;
4469 	*dst = val;
4470 
4471 	wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
4472 
4473 	if (data->param2 && *dst < (long) data->param2) {
4474 		wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
4475 			   "min_value=%ld)", line, data->name, *dst,
4476 			   (long) data->param2);
4477 		*dst = (long) data->param2;
4478 		return -1;
4479 	}
4480 
4481 	if (data->param3 && *dst > (long) data->param3) {
4482 		wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
4483 			   "max_value=%ld)", line, data->name, *dst,
4484 			   (long) data->param3);
4485 		*dst = (long) data->param3;
4486 		return -1;
4487 	}
4488 
4489 	return same;
4490 }
4491 
4492 
4493 static int wpa_global_config_parse_str(const struct global_parse_data *data,
4494 				       struct wpa_config *config, int line,
4495 				       const char *pos)
4496 {
4497 	size_t len, prev_len;
4498 	char **dst, *tmp;
4499 
4500 	len = os_strlen(pos);
4501 	if (data->param2 && len < (size_t) data->param2) {
4502 		wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
4503 			   "min_len=%ld)", line, data->name,
4504 			   (unsigned long) len, (long) data->param2);
4505 		return -1;
4506 	}
4507 
4508 	if (data->param3 && len > (size_t) data->param3) {
4509 		wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
4510 			   "max_len=%ld)", line, data->name,
4511 			   (unsigned long) len, (long) data->param3);
4512 		return -1;
4513 	}
4514 
4515 	if (has_newline(pos)) {
4516 		wpa_printf(MSG_ERROR, "Line %d: invalid %s value with newline",
4517 			   line, data->name);
4518 		return -1;
4519 	}
4520 
4521 	dst = (char **) (((u8 *) config) + (long) data->param1);
4522 	if (*dst)
4523 		prev_len = os_strlen(*dst);
4524 	else
4525 		prev_len = 0;
4526 
4527 	/* No change to the previously configured value */
4528 	if (*dst && prev_len == len && os_memcmp(*dst, pos, len) == 0)
4529 		return 1;
4530 
4531 	tmp = os_strdup(pos);
4532 	if (tmp == NULL)
4533 		return -1;
4534 
4535 	os_free(*dst);
4536 	*dst = tmp;
4537 	wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
4538 
4539 	return 0;
4540 }
4541 
4542 
4543 static int wpa_config_process_bgscan(const struct global_parse_data *data,
4544 				     struct wpa_config *config, int line,
4545 				     const char *pos)
4546 {
4547 	size_t len;
4548 	char *tmp;
4549 	int res;
4550 
4551 	tmp = wpa_config_parse_string(pos, &len);
4552 	if (tmp == NULL) {
4553 		wpa_printf(MSG_ERROR, "Line %d: failed to parse %s",
4554 			   line, data->name);
4555 		return -1;
4556 	}
4557 
4558 	res = wpa_global_config_parse_str(data, config, line, tmp);
4559 	os_free(tmp);
4560 	return res;
4561 }
4562 
4563 
4564 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
4565 				       struct wpa_config *config, int line,
4566 				       const char *pos)
4567 {
4568 	struct wpabuf **dst, *tmp;
4569 
4570 	tmp = wpabuf_parse_bin(pos);
4571 	if (!tmp)
4572 		return -1;
4573 
4574 	dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
4575 	if (wpabuf_cmp(*dst, tmp) == 0) {
4576 		wpabuf_free(tmp);
4577 		return 1;
4578 	}
4579 	wpabuf_free(*dst);
4580 	*dst = tmp;
4581 	wpa_printf(MSG_DEBUG, "%s", data->name);
4582 
4583 	return 0;
4584 }
4585 
4586 
4587 static int wpa_config_process_freq_list(const struct global_parse_data *data,
4588 					struct wpa_config *config, int line,
4589 					const char *value)
4590 {
4591 	int *freqs;
4592 
4593 	freqs = wpa_config_parse_int_array(value);
4594 	if (freqs == NULL)
4595 		return -1;
4596 	if (freqs[0] == 0) {
4597 		os_free(freqs);
4598 		freqs = NULL;
4599 	}
4600 	os_free(config->freq_list);
4601 	config->freq_list = freqs;
4602 	return 0;
4603 }
4604 
4605 
4606 static int
4607 wpa_config_process_initial_freq_list(const struct global_parse_data *data,
4608 				     struct wpa_config *config, int line,
4609 				     const char *value)
4610 {
4611 	int *freqs;
4612 
4613 	freqs = wpa_config_parse_int_array(value);
4614 	if (!freqs)
4615 		return -1;
4616 	if (freqs[0] == 0) {
4617 		os_free(freqs);
4618 		freqs = NULL;
4619 	}
4620 	os_free(config->initial_freq_list);
4621 	config->initial_freq_list = freqs;
4622 	return 0;
4623 }
4624 
4625 
4626 #ifdef CONFIG_P2P
4627 static int wpa_global_config_parse_ipv4(const struct global_parse_data *data,
4628 					struct wpa_config *config, int line,
4629 					const char *pos)
4630 {
4631 	u32 *dst;
4632 	struct hostapd_ip_addr addr;
4633 
4634 	if (hostapd_parse_ip_addr(pos, &addr) < 0)
4635 		return -1;
4636 	if (addr.af != AF_INET)
4637 		return -1;
4638 
4639 	dst = (u32 *) (((u8 *) config) + (long) data->param1);
4640 	if (os_memcmp(dst, &addr.u.v4.s_addr, 4) == 0)
4641 		return 1;
4642 	os_memcpy(dst, &addr.u.v4.s_addr, 4);
4643 	wpa_printf(MSG_DEBUG, "%s = 0x%x", data->name,
4644 		   WPA_GET_BE32((u8 *) dst));
4645 
4646 	return 0;
4647 }
4648 #endif /* CONFIG_P2P */
4649 
4650 
4651 static int wpa_config_process_country(const struct global_parse_data *data,
4652 				      struct wpa_config *config, int line,
4653 				      const char *pos)
4654 {
4655 	if (!pos[0] || !pos[1]) {
4656 		wpa_printf(MSG_DEBUG, "Invalid country set");
4657 		return -1;
4658 	}
4659 	if (pos[0] == config->country[0] && pos[1] == config->country[1])
4660 		return 1;
4661 	config->country[0] = pos[0];
4662 	config->country[1] = pos[1];
4663 	wpa_printf(MSG_DEBUG, "country='%c%c'",
4664 		   config->country[0], config->country[1]);
4665 	return 0;
4666 }
4667 
4668 
4669 static int wpa_config_process_load_dynamic_eap(
4670 	const struct global_parse_data *data, struct wpa_config *config,
4671 	int line, const char *so)
4672 {
4673 	int ret;
4674 	wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
4675 	ret = eap_peer_method_load(so);
4676 	if (ret == -2) {
4677 		wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
4678 			   "reloading.");
4679 	} else if (ret) {
4680 		wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
4681 			   "method '%s'.", line, so);
4682 		return -1;
4683 	}
4684 
4685 	return 0;
4686 }
4687 
4688 
4689 #ifdef CONFIG_WPS
4690 
4691 static int wpa_config_process_uuid(const struct global_parse_data *data,
4692 				   struct wpa_config *config, int line,
4693 				   const char *pos)
4694 {
4695 	char buf[40];
4696 	if (uuid_str2bin(pos, config->uuid)) {
4697 		wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
4698 		return -1;
4699 	}
4700 	uuid_bin2str(config->uuid, buf, sizeof(buf));
4701 	wpa_printf(MSG_DEBUG, "uuid=%s", buf);
4702 	return 0;
4703 }
4704 
4705 
4706 static int wpa_config_process_device_type(
4707 	const struct global_parse_data *data,
4708 	struct wpa_config *config, int line, const char *pos)
4709 {
4710 	return wps_dev_type_str2bin(pos, config->device_type);
4711 }
4712 
4713 
4714 static int wpa_config_process_os_version(const struct global_parse_data *data,
4715 					 struct wpa_config *config, int line,
4716 					 const char *pos)
4717 {
4718 	if (hexstr2bin(pos, config->os_version, 4)) {
4719 		wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
4720 		return -1;
4721 	}
4722 	wpa_printf(MSG_DEBUG, "os_version=%08x",
4723 		   WPA_GET_BE32(config->os_version));
4724 	return 0;
4725 }
4726 
4727 
4728 static int wpa_config_process_wps_vendor_ext_m1(
4729 	const struct global_parse_data *data,
4730 	struct wpa_config *config, int line, const char *pos)
4731 {
4732 	struct wpabuf *tmp;
4733 	int len = os_strlen(pos) / 2;
4734 	u8 *p;
4735 
4736 	if (!len) {
4737 		wpa_printf(MSG_ERROR, "Line %d: "
4738 			   "invalid wps_vendor_ext_m1", line);
4739 		return -1;
4740 	}
4741 
4742 	tmp = wpabuf_alloc(len);
4743 	if (tmp) {
4744 		p = wpabuf_put(tmp, len);
4745 
4746 		if (hexstr2bin(pos, p, len)) {
4747 			wpa_printf(MSG_ERROR, "Line %d: "
4748 				   "invalid wps_vendor_ext_m1", line);
4749 			wpabuf_free(tmp);
4750 			return -1;
4751 		}
4752 
4753 		wpabuf_free(config->wps_vendor_ext_m1);
4754 		config->wps_vendor_ext_m1 = tmp;
4755 	} else {
4756 		wpa_printf(MSG_ERROR, "Can not allocate "
4757 			   "memory for wps_vendor_ext_m1");
4758 		return -1;
4759 	}
4760 
4761 	return 0;
4762 }
4763 
4764 #endif /* CONFIG_WPS */
4765 
4766 #ifdef CONFIG_P2P
4767 static int wpa_config_process_sec_device_type(
4768 	const struct global_parse_data *data,
4769 	struct wpa_config *config, int line, const char *pos)
4770 {
4771 	int idx;
4772 
4773 	if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
4774 		wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
4775 			   "items", line);
4776 		return -1;
4777 	}
4778 
4779 	idx = config->num_sec_device_types;
4780 
4781 	if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
4782 		return -1;
4783 
4784 	config->num_sec_device_types++;
4785 	return 0;
4786 }
4787 
4788 
4789 static int wpa_config_process_p2p_pref_chan(
4790 	const struct global_parse_data *data,
4791 	struct wpa_config *config, int line, const char *pos)
4792 {
4793 	struct p2p_channel *pref = NULL, *n;
4794 	size_t num = 0;
4795 	const char *pos2;
4796 	u8 op_class, chan;
4797 
4798 	/* format: class:chan,class:chan,... */
4799 
4800 	while (*pos) {
4801 		op_class = atoi(pos);
4802 		pos2 = os_strchr(pos, ':');
4803 		if (pos2 == NULL)
4804 			goto fail;
4805 		pos2++;
4806 		chan = atoi(pos2);
4807 
4808 		n = os_realloc_array(pref, num + 1,
4809 				     sizeof(struct p2p_channel));
4810 		if (n == NULL)
4811 			goto fail;
4812 		pref = n;
4813 		pref[num].op_class = op_class;
4814 		pref[num].chan = chan;
4815 		num++;
4816 
4817 		pos = os_strchr(pos2, ',');
4818 		if (pos == NULL)
4819 			break;
4820 		pos++;
4821 	}
4822 
4823 	os_free(config->p2p_pref_chan);
4824 	config->p2p_pref_chan = pref;
4825 	config->num_p2p_pref_chan = num;
4826 	wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
4827 		    (u8 *) config->p2p_pref_chan,
4828 		    config->num_p2p_pref_chan * sizeof(struct p2p_channel));
4829 
4830 	return 0;
4831 
4832 fail:
4833 	os_free(pref);
4834 	wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
4835 	return -1;
4836 }
4837 
4838 
4839 static int wpa_config_process_p2p_no_go_freq(
4840 	const struct global_parse_data *data,
4841 	struct wpa_config *config, int line, const char *pos)
4842 {
4843 	int ret;
4844 
4845 	ret = freq_range_list_parse(&config->p2p_no_go_freq, pos);
4846 	if (ret < 0) {
4847 		wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_no_go_freq", line);
4848 		return -1;
4849 	}
4850 
4851 	wpa_printf(MSG_DEBUG, "P2P: p2p_no_go_freq with %u items",
4852 		   config->p2p_no_go_freq.num);
4853 
4854 	return 0;
4855 }
4856 
4857 
4858 static int wpa_config_process_p2p_device_persistent_mac_addr(
4859 	const struct global_parse_data *data,
4860 	struct wpa_config *config, int line, const char *pos)
4861 {
4862 	if (hwaddr_aton2(pos, config->p2p_device_persistent_mac_addr) < 0) {
4863 		wpa_printf(MSG_ERROR,
4864 			   "Line %d: Invalid p2p_device_persistent_mac_addr '%s'",
4865 			   line, pos);
4866 		return -1;
4867 	}
4868 
4869 	return 0;
4870 }
4871 
4872 #endif /* CONFIG_P2P */
4873 
4874 
4875 static int wpa_config_process_hessid(
4876 	const struct global_parse_data *data,
4877 	struct wpa_config *config, int line, const char *pos)
4878 {
4879 	if (hwaddr_aton2(pos, config->hessid) < 0) {
4880 		wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
4881 			   line, pos);
4882 		return -1;
4883 	}
4884 
4885 	return 0;
4886 }
4887 
4888 
4889 static int wpa_config_process_sae_groups(
4890 	const struct global_parse_data *data,
4891 	struct wpa_config *config, int line, const char *pos)
4892 {
4893 	int *groups = wpa_config_parse_int_array(pos);
4894 	if (groups == NULL) {
4895 		wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'",
4896 			   line, pos);
4897 		return -1;
4898 	}
4899 
4900 	os_free(config->sae_groups);
4901 	config->sae_groups = groups;
4902 
4903 	return 0;
4904 }
4905 
4906 
4907 static int wpa_config_process_ap_vendor_elements(
4908 	const struct global_parse_data *data,
4909 	struct wpa_config *config, int line, const char *pos)
4910 {
4911 	struct wpabuf *tmp;
4912 	int len = os_strlen(pos) / 2;
4913 	u8 *p;
4914 
4915 	if (!len) {
4916 		wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements",
4917 			   line);
4918 		return -1;
4919 	}
4920 
4921 	tmp = wpabuf_alloc(len);
4922 	if (tmp) {
4923 		p = wpabuf_put(tmp, len);
4924 
4925 		if (hexstr2bin(pos, p, len)) {
4926 			wpa_printf(MSG_ERROR, "Line %d: invalid "
4927 				   "ap_vendor_elements", line);
4928 			wpabuf_free(tmp);
4929 			return -1;
4930 		}
4931 
4932 		wpabuf_free(config->ap_vendor_elements);
4933 		config->ap_vendor_elements = tmp;
4934 	} else {
4935 		wpa_printf(MSG_ERROR, "Cannot allocate memory for "
4936 			   "ap_vendor_elements");
4937 		return -1;
4938 	}
4939 
4940 	return 0;
4941 }
4942 
4943 
4944 #ifdef CONFIG_CTRL_IFACE
4945 static int wpa_config_process_no_ctrl_interface(
4946 	const struct global_parse_data *data,
4947 	struct wpa_config *config, int line, const char *pos)
4948 {
4949 	wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL");
4950 	os_free(config->ctrl_interface);
4951 	config->ctrl_interface = NULL;
4952 	return 0;
4953 }
4954 #endif /* CONFIG_CTRL_IFACE */
4955 
4956 
4957 static int wpa_config_get_int(const char *name, struct wpa_config *config,
4958 			      long offset, char *buf, size_t buflen,
4959 			      int pretty_print)
4960 {
4961 	int *val = (int *) (((u8 *) config) + (long) offset);
4962 
4963 	if (pretty_print)
4964 		return os_snprintf(buf, buflen, "%s=%d\n", name, *val);
4965 	return os_snprintf(buf, buflen, "%d", *val);
4966 }
4967 
4968 
4969 static int wpa_config_get_str(const char *name, struct wpa_config *config,
4970 			      long offset, char *buf, size_t buflen,
4971 			      int pretty_print)
4972 {
4973 	char **val = (char **) (((u8 *) config) + (long) offset);
4974 	int res;
4975 
4976 	if (pretty_print)
4977 		res = os_snprintf(buf, buflen, "%s=%s\n", name,
4978 				  *val ? *val : "null");
4979 	else if (!*val)
4980 		return -1;
4981 	else
4982 		res = os_snprintf(buf, buflen, "%s", *val);
4983 	if (os_snprintf_error(buflen, res))
4984 		res = -1;
4985 
4986 	return res;
4987 }
4988 
4989 
4990 #ifdef CONFIG_P2P
4991 static int wpa_config_get_ipv4(const char *name, struct wpa_config *config,
4992 			       long offset, char *buf, size_t buflen,
4993 			       int pretty_print)
4994 {
4995 	void *val = ((u8 *) config) + (long) offset;
4996 	int res;
4997 	char addr[INET_ADDRSTRLEN];
4998 
4999 	if (!val || !inet_ntop(AF_INET, val, addr, sizeof(addr)))
5000 		return -1;
5001 
5002 	if (pretty_print)
5003 		res = os_snprintf(buf, buflen, "%s=%s\n", name, addr);
5004 	else
5005 		res = os_snprintf(buf, buflen, "%s", addr);
5006 
5007 	if (os_snprintf_error(buflen, res))
5008 		res = -1;
5009 
5010 	return res;
5011 }
5012 #endif /* CONFIG_P2P */
5013 
5014 
5015 #ifdef OFFSET
5016 #undef OFFSET
5017 #endif /* OFFSET */
5018 /* OFFSET: Get offset of a variable within the wpa_config structure */
5019 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
5020 
5021 #define FUNC(f) #f, wpa_config_process_ ## f, NULL, OFFSET(f), NULL, NULL
5022 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL, NULL
5023 #define _INT(f) #f, wpa_global_config_parse_int, wpa_config_get_int, OFFSET(f)
5024 #define INT(f) _INT(f), NULL, NULL
5025 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
5026 #define _STR(f) #f, wpa_global_config_parse_str, wpa_config_get_str, OFFSET(f)
5027 #define STR(f) _STR(f), NULL, NULL
5028 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
5029 #define BIN(f) #f, wpa_global_config_parse_bin, NULL, OFFSET(f), NULL, NULL
5030 #define IPV4(f) #f, wpa_global_config_parse_ipv4, wpa_config_get_ipv4,  \
5031 	OFFSET(f), NULL, NULL
5032 
5033 static const struct global_parse_data global_fields[] = {
5034 #ifdef CONFIG_CTRL_IFACE
5035 	{ STR(ctrl_interface), 0 },
5036 	{ FUNC_NO_VAR(no_ctrl_interface), 0 },
5037 	{ STR(ctrl_interface_group), 0 } /* deprecated */,
5038 #endif /* CONFIG_CTRL_IFACE */
5039 #ifdef CONFIG_MACSEC
5040 	{ INT_RANGE(eapol_version, 1, 3), 0 },
5041 #else /* CONFIG_MACSEC */
5042 	{ INT_RANGE(eapol_version, 1, 2), 0 },
5043 #endif /* CONFIG_MACSEC */
5044 	{ INT(ap_scan), 0 },
5045 	{ FUNC(bgscan), CFG_CHANGED_BGSCAN },
5046 #ifdef CONFIG_MESH
5047 	{ INT(user_mpm), 0 },
5048 	{ INT_RANGE(max_peer_links, 0, 255), 0 },
5049 	{ INT(mesh_max_inactivity), 0 },
5050 	{ INT(dot11RSNASAERetransPeriod), 0 },
5051 #endif /* CONFIG_MESH */
5052 	{ INT(disable_scan_offload), 0 },
5053 	{ INT(fast_reauth), 0 },
5054 	{ STR(opensc_engine_path), 0 },
5055 	{ STR(pkcs11_engine_path), 0 },
5056 	{ STR(pkcs11_module_path), 0 },
5057 	{ STR(openssl_ciphers), 0 },
5058 	{ STR(pcsc_reader), 0 },
5059 	{ STR(pcsc_pin), 0 },
5060 	{ INT(external_sim), 0 },
5061 	{ STR(driver_param), 0 },
5062 	{ INT(dot11RSNAConfigPMKLifetime), 0 },
5063 	{ INT(dot11RSNAConfigPMKReauthThreshold), 0 },
5064 	{ INT(dot11RSNAConfigSATimeout), 0 },
5065 #ifndef CONFIG_NO_CONFIG_WRITE
5066 	{ INT(update_config), 0 },
5067 #endif /* CONFIG_NO_CONFIG_WRITE */
5068 	{ FUNC_NO_VAR(load_dynamic_eap), 0 },
5069 #ifdef CONFIG_WPS
5070 	{ FUNC(uuid), CFG_CHANGED_UUID },
5071 	{ INT_RANGE(auto_uuid, 0, 1), 0 },
5072 	{ STR_RANGE(device_name, 0, WPS_DEV_NAME_MAX_LEN),
5073 	  CFG_CHANGED_DEVICE_NAME },
5074 	{ STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
5075 	{ STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
5076 	{ STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
5077 	{ STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
5078 	{ FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
5079 	{ FUNC(os_version), CFG_CHANGED_OS_VERSION },
5080 	{ STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
5081 	{ INT_RANGE(wps_cred_processing, 0, 2), 0 },
5082 	{ INT_RANGE(wps_cred_add_sae, 0, 1), 0 },
5083 	{ FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
5084 #endif /* CONFIG_WPS */
5085 #ifdef CONFIG_P2P
5086 	{ FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
5087 	{ INT(p2p_listen_reg_class), CFG_CHANGED_P2P_LISTEN_CHANNEL },
5088 	{ INT(p2p_listen_channel), CFG_CHANGED_P2P_LISTEN_CHANNEL },
5089 	{ INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL },
5090 	{ INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL },
5091 	{ INT_RANGE(p2p_go_intent, 0, 15), 0 },
5092 	{ STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
5093 	{ INT_RANGE(persistent_reconnect, 0, 1), 0 },
5094 	{ INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
5095 	{ INT(p2p_group_idle), 0 },
5096 	{ INT_RANGE(p2p_go_freq_change_policy, 0, P2P_GO_FREQ_MOVE_MAX), 0 },
5097 	{ INT_RANGE(p2p_passphrase_len, 8, 63),
5098 	  CFG_CHANGED_P2P_PASSPHRASE_LEN },
5099 	{ FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
5100 	{ FUNC(p2p_no_go_freq), CFG_CHANGED_P2P_PREF_CHAN },
5101 	{ INT_RANGE(p2p_add_cli_chan, 0, 1), 0 },
5102 	{ INT_RANGE(p2p_optimize_listen_chan, 0, 1), 0 },
5103 	{ INT(p2p_go_ht40), 0 },
5104 	{ INT(p2p_go_vht), 0 },
5105 	{ INT(p2p_go_he), 0 },
5106 	{ INT(p2p_go_edmg), 0 },
5107 	{ INT(p2p_disabled), 0 },
5108 	{ INT_RANGE(p2p_go_ctwindow, 0, 127), 0 },
5109 	{ INT(p2p_no_group_iface), 0 },
5110 	{ INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 },
5111 	{ IPV4(ip_addr_go), 0 },
5112 	{ IPV4(ip_addr_mask), 0 },
5113 	{ IPV4(ip_addr_start), 0 },
5114 	{ IPV4(ip_addr_end), 0 },
5115 	{ INT_RANGE(p2p_cli_probe, 0, 1), 0 },
5116 	{ INT(p2p_device_random_mac_addr), 0 },
5117 	{ FUNC(p2p_device_persistent_mac_addr), 0 },
5118 	{ INT(p2p_interface_random_mac_addr), 0 },
5119 	{ INT(p2p_6ghz_disable), 0 },
5120 #endif /* CONFIG_P2P */
5121 	{ FUNC(country), CFG_CHANGED_COUNTRY },
5122 	{ INT(bss_max_count), 0 },
5123 	{ INT(bss_expiration_age), 0 },
5124 	{ INT(bss_expiration_scan_count), 0 },
5125 	{ INT_RANGE(filter_ssids, 0, 1), 0 },
5126 	{ INT_RANGE(filter_rssi, -100, 0), 0 },
5127 	{ INT(max_num_sta), 0 },
5128 	{ INT_RANGE(ap_isolate, 0, 1), 0 },
5129 	{ INT_RANGE(disassoc_low_ack, 0, 1), 0 },
5130 #ifdef CONFIG_HS20
5131 	{ INT_RANGE(hs20, 0, 1), 0 },
5132 #endif /* CONFIG_HS20 */
5133 	{ INT_RANGE(interworking, 0, 1), 0 },
5134 	{ FUNC(hessid), 0 },
5135 	{ INT_RANGE(access_network_type, 0, 15), 0 },
5136 	{ INT_RANGE(go_interworking, 0, 1), 0 },
5137 	{ INT_RANGE(go_access_network_type, 0, 15), 0 },
5138 	{ INT_RANGE(go_internet, 0, 1), 0 },
5139 	{ INT_RANGE(go_venue_group, 0, 255), 0 },
5140 	{ INT_RANGE(go_venue_type, 0, 255), 0 },
5141 	{ INT_RANGE(pbc_in_m1, 0, 1), 0 },
5142 	{ STR(autoscan), 0 },
5143 	{ INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff),
5144 	  CFG_CHANGED_NFC_PASSWORD_TOKEN },
5145 	{ BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
5146 	{ BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
5147 	{ BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN },
5148 	{ STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
5149 	{ INT(p2p_go_max_inactivity), 0 },
5150 	{ INT_RANGE(auto_interworking, 0, 1), 0 },
5151 	{ INT(okc), 0 },
5152 	{ INT(pmf), 0 },
5153 	{ FUNC(sae_groups), 0 },
5154 	{ INT_RANGE(sae_pwe, 0, 3), 0 },
5155 	{ INT_RANGE(sae_pmkid_in_assoc, 0, 1), 0 },
5156 	{ INT(dtim_period), 0 },
5157 	{ INT(beacon_int), 0 },
5158 	{ FUNC(ap_vendor_elements), 0 },
5159 	{ INT_RANGE(ignore_old_scan_res, 0, 1), 0 },
5160 	{ FUNC(freq_list), 0 },
5161 	{ FUNC(initial_freq_list), 0},
5162 	{ INT(scan_cur_freq), 0 },
5163 	{ INT(scan_res_valid_for_connect), 0},
5164 	{ INT(sched_scan_interval), 0 },
5165 	{ INT(sched_scan_start_delay), 0 },
5166 	{ INT(tdls_external_control), 0},
5167 	{ STR(osu_dir), 0 },
5168 	{ STR(wowlan_triggers), CFG_CHANGED_WOWLAN_TRIGGERS },
5169 	{ INT(p2p_search_delay), 0},
5170 	{ INT(mac_addr), 0 },
5171 	{ INT(rand_addr_lifetime), 0 },
5172 	{ INT(preassoc_mac_addr), 0 },
5173 	{ INT(key_mgmt_offload), 0},
5174 	{ INT(passive_scan), 0 },
5175 	{ INT(reassoc_same_bss_optim), 0 },
5176 	{ INT(wps_priority), 0},
5177 #ifdef CONFIG_FST
5178 	{ STR_RANGE(fst_group_id, 1, FST_MAX_GROUP_ID_LEN), 0 },
5179 	{ INT_RANGE(fst_priority, 1, FST_MAX_PRIO_VALUE), 0 },
5180 	{ INT_RANGE(fst_llt, 1, FST_MAX_LLT_MS), 0 },
5181 #endif /* CONFIG_FST */
5182 	{ INT_RANGE(cert_in_cb, 0, 1), 0 },
5183 	{ INT_RANGE(wpa_rsc_relaxation, 0, 1), 0 },
5184 	{ STR(sched_scan_plans), CFG_CHANGED_SCHED_SCAN_PLANS },
5185 #ifdef CONFIG_MBO
5186 	{ STR(non_pref_chan), 0 },
5187 	{ INT_RANGE(mbo_cell_capa, MBO_CELL_CAPA_AVAILABLE,
5188 		    MBO_CELL_CAPA_NOT_SUPPORTED), 0 },
5189 	{ INT_RANGE(disassoc_imminent_rssi_threshold, -120, 0), 0 },
5190 	{ INT_RANGE(oce, 0, 3), 0 },
5191 #endif /* CONFIG_MBO */
5192 	{ INT(gas_address3), 0 },
5193 	{ INT_RANGE(ftm_responder, 0, 1), 0 },
5194 	{ INT_RANGE(ftm_initiator, 0, 1), 0 },
5195 	{ INT(gas_rand_addr_lifetime), 0 },
5196 	{ INT_RANGE(gas_rand_mac_addr, 0, 2), 0 },
5197 #ifdef CONFIG_DPP
5198 	{ INT_RANGE(dpp_config_processing, 0, 2), 0 },
5199 	{ STR(dpp_name), 0 },
5200 	{ STR(dpp_mud_url), 0 },
5201 #endif /* CONFIG_DPP */
5202 	{ INT_RANGE(coloc_intf_reporting, 0, 1), 0 },
5203 #ifdef CONFIG_WNM
5204 	{ INT_RANGE(disable_btm, 0, 1), CFG_CHANGED_DISABLE_BTM },
5205 	{ INT_RANGE(extended_key_id, 0, 1), 0 },
5206 #endif /* CONFIG_WNM */
5207 	{ INT_RANGE(wowlan_disconnect_on_deinit, 0, 1), 0},
5208 #ifdef CONFIG_PASN
5209 #ifdef CONFIG_TESTING_OPTIONS
5210 	{ INT_RANGE(force_kdk_derivation, 0, 1), 0 },
5211 	{ INT_RANGE(pasn_corrupt_mic, 0, 1), 0 },
5212 #endif /* CONFIG_TESTING_OPTIONS */
5213 #endif /* CONFIG_PASN */
5214 };
5215 
5216 #undef FUNC
5217 #undef _INT
5218 #undef INT
5219 #undef INT_RANGE
5220 #undef _STR
5221 #undef STR
5222 #undef STR_RANGE
5223 #undef BIN
5224 #undef IPV4
5225 #define NUM_GLOBAL_FIELDS ARRAY_SIZE(global_fields)
5226 
5227 
5228 int wpa_config_dump_values(struct wpa_config *config, char *buf, size_t buflen)
5229 {
5230 	int result = 0;
5231 	size_t i;
5232 
5233 	for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
5234 		const struct global_parse_data *field = &global_fields[i];
5235 		int tmp;
5236 
5237 		if (!field->get)
5238 			continue;
5239 
5240 		tmp = field->get(field->name, config, (long) field->param1,
5241 				 buf, buflen, 1);
5242 		if (tmp < 0)
5243 			return -1;
5244 		buf += tmp;
5245 		buflen -= tmp;
5246 		result += tmp;
5247 	}
5248 	return result;
5249 }
5250 
5251 
5252 int wpa_config_get_value(const char *name, struct wpa_config *config,
5253 			 char *buf, size_t buflen)
5254 {
5255 	size_t i;
5256 
5257 	for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
5258 		const struct global_parse_data *field = &global_fields[i];
5259 
5260 		if (os_strcmp(name, field->name) != 0)
5261 			continue;
5262 		if (!field->get)
5263 			break;
5264 		return field->get(name, config, (long) field->param1,
5265 				  buf, buflen, 0);
5266 	}
5267 
5268 	return -1;
5269 }
5270 
5271 
5272 int wpa_config_get_num_global_field_names(void)
5273 {
5274 	return NUM_GLOBAL_FIELDS;
5275 }
5276 
5277 
5278 const char * wpa_config_get_global_field_name(unsigned int i, int *no_var)
5279 {
5280 	if (i >= NUM_GLOBAL_FIELDS)
5281 		return NULL;
5282 
5283 	if (no_var)
5284 		*no_var = !global_fields[i].param1;
5285 	return global_fields[i].name;
5286 }
5287 
5288 
5289 /**
5290  * wpa_config_process_global - Set a variable in global configuration
5291  * @config: Pointer to global configuration data
5292  * @pos: Name and value in the format "{name}={value}"
5293  * @line: Line number in configuration file or 0 if not used
5294  * Returns: 0 on success with a possible change in value, 1 on success with no
5295  * change to previously configured value, or -1 on failure
5296  *
5297  * This function can be used to set global configuration variables based on
5298  * both the configuration file and management interface input. The value
5299  * parameter must be in the same format as the text-based configuration file is
5300  * using. For example, strings are using double quotation marks.
5301  */
5302 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
5303 {
5304 	size_t i;
5305 	int ret = 0;
5306 
5307 	for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
5308 		const struct global_parse_data *field = &global_fields[i];
5309 		size_t flen = os_strlen(field->name);
5310 		if (os_strncmp(pos, field->name, flen) != 0 ||
5311 		    pos[flen] != '=')
5312 			continue;
5313 
5314 		ret = field->parser(field, config, line, pos + flen + 1);
5315 		if (ret < 0) {
5316 			wpa_printf(MSG_ERROR, "Line %d: failed to "
5317 				   "parse '%s'.", line, pos);
5318 			ret = -1;
5319 		}
5320 		if (ret == 1)
5321 			break;
5322 		if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN)
5323 			config->wps_nfc_pw_from_config = 1;
5324 		config->changed_parameters |= field->changed_flag;
5325 		break;
5326 	}
5327 	if (i == NUM_GLOBAL_FIELDS) {
5328 #ifdef CONFIG_AP
5329 		if (os_strncmp(pos, "tx_queue_", 9) == 0) {
5330 			char *tmp = os_strchr(pos, '=');
5331 
5332 			if (!tmp) {
5333 				if (line < 0)
5334 					wpa_printf(MSG_ERROR,
5335 						   "Line %d: invalid line %s",
5336 						   line, pos);
5337 				return -1;
5338 			}
5339 			*tmp++ = '\0';
5340 			if (hostapd_config_tx_queue(config->tx_queue, pos,
5341 						    tmp)) {
5342 				wpa_printf(MSG_ERROR,
5343 					   "Line %d: invalid TX queue item",
5344 					   line);
5345 				return -1;
5346 			}
5347 		}
5348 
5349 		if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
5350 			char *tmp = os_strchr(pos, '=');
5351 			if (tmp == NULL) {
5352 				if (line < 0)
5353 					return -1;
5354 				wpa_printf(MSG_ERROR, "Line %d: invalid line "
5355 					   "'%s'", line, pos);
5356 				return -1;
5357 			}
5358 			*tmp++ = '\0';
5359 			if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
5360 						  tmp)) {
5361 				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
5362 					   "AC item", line);
5363 				return -1;
5364 			}
5365 			return ret;
5366 		}
5367 #endif /* CONFIG_AP */
5368 		if (line < 0)
5369 			return -1;
5370 		wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",
5371 			   line, pos);
5372 		ret = -1;
5373 	}
5374 
5375 	return ret;
5376 }
5377