xref: /freebsd/contrib/wpa/wpa_supplicant/config.c (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
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_fwding, 0, 1) },
2531 	{ INT_RANGE(mesh_rssi_threshold, -255, 1) },
2532 #else /* CONFIG_MESH */
2533 	{ INT_RANGE(mode, 0, 4) },
2534 #endif /* CONFIG_MESH */
2535 	{ INT_RANGE(proactive_key_caching, 0, 1) },
2536 	{ INT_RANGE(disabled, 0, 2) },
2537 	{ STR(id_str) },
2538 	{ INT_RANGE(ieee80211w, 0, 2) },
2539 #ifdef CONFIG_OCV
2540 	{ FUNC(ocv) },
2541 #endif /* CONFIG_OCV */
2542 	{ FUNC(peerkey) /* obsolete - removed */ },
2543 	{ INT_RANGE(mixed_cell, 0, 1) },
2544 	{ INT_RANGE(frequency, 0, 70200) },
2545 	{ INT_RANGE(fixed_freq, 0, 1) },
2546 	{ INT_RANGE(enable_edmg, 0, 1) },
2547 	{ INT_RANGE(edmg_channel, 9, 13) },
2548 #ifdef CONFIG_ACS
2549 	{ INT_RANGE(acs, 0, 1) },
2550 #endif /* CONFIG_ACS */
2551 #ifdef CONFIG_MESH
2552 	{ FUNC(mesh_basic_rates) },
2553 	{ INT(dot11MeshMaxRetries) },
2554 	{ INT(dot11MeshRetryTimeout) },
2555 	{ INT(dot11MeshConfirmTimeout) },
2556 	{ INT(dot11MeshHoldingTimeout) },
2557 #endif /* CONFIG_MESH */
2558 	{ INT(wpa_ptk_rekey) },
2559 	{ INT_RANGE(wpa_deny_ptk0_rekey, 0, 2) },
2560 	{ INT(group_rekey) },
2561 	{ STR(bgscan) },
2562 	{ INT_RANGE(ignore_broadcast_ssid, 0, 2) },
2563 #ifdef CONFIG_P2P
2564 	{ FUNC(go_p2p_dev_addr) },
2565 	{ FUNC(p2p_client_list) },
2566 	{ FUNC(psk_list) },
2567 #endif /* CONFIG_P2P */
2568 #ifdef CONFIG_HT_OVERRIDES
2569 	{ INT_RANGE(disable_ht, 0, 1) },
2570 	{ INT_RANGE(disable_ht40, -1, 1) },
2571 	{ INT_RANGE(disable_sgi, 0, 1) },
2572 	{ INT_RANGE(disable_ldpc, 0, 1) },
2573 	{ INT_RANGE(ht40_intolerant, 0, 1) },
2574 	{ INT_RANGE(tx_stbc, -1, 1) },
2575 	{ INT_RANGE(rx_stbc, -1, 3) },
2576 	{ INT_RANGE(disable_max_amsdu, -1, 1) },
2577 	{ INT_RANGE(ampdu_factor, -1, 3) },
2578 	{ INT_RANGE(ampdu_density, -1, 7) },
2579 	{ STR(ht_mcs) },
2580 #endif /* CONFIG_HT_OVERRIDES */
2581 #ifdef CONFIG_VHT_OVERRIDES
2582 	{ INT_RANGE(disable_vht, 0, 1) },
2583 	{ INT(vht_capa) },
2584 	{ INT(vht_capa_mask) },
2585 	{ INT_RANGE(vht_rx_mcs_nss_1, -1, 3) },
2586 	{ INT_RANGE(vht_rx_mcs_nss_2, -1, 3) },
2587 	{ INT_RANGE(vht_rx_mcs_nss_3, -1, 3) },
2588 	{ INT_RANGE(vht_rx_mcs_nss_4, -1, 3) },
2589 	{ INT_RANGE(vht_rx_mcs_nss_5, -1, 3) },
2590 	{ INT_RANGE(vht_rx_mcs_nss_6, -1, 3) },
2591 	{ INT_RANGE(vht_rx_mcs_nss_7, -1, 3) },
2592 	{ INT_RANGE(vht_rx_mcs_nss_8, -1, 3) },
2593 	{ INT_RANGE(vht_tx_mcs_nss_1, -1, 3) },
2594 	{ INT_RANGE(vht_tx_mcs_nss_2, -1, 3) },
2595 	{ INT_RANGE(vht_tx_mcs_nss_3, -1, 3) },
2596 	{ INT_RANGE(vht_tx_mcs_nss_4, -1, 3) },
2597 	{ INT_RANGE(vht_tx_mcs_nss_5, -1, 3) },
2598 	{ INT_RANGE(vht_tx_mcs_nss_6, -1, 3) },
2599 	{ INT_RANGE(vht_tx_mcs_nss_7, -1, 3) },
2600 	{ INT_RANGE(vht_tx_mcs_nss_8, -1, 3) },
2601 #endif /* CONFIG_VHT_OVERRIDES */
2602 #ifdef CONFIG_HE_OVERRIDES
2603 	{ INT_RANGE(disable_he, 0, 1)},
2604 #endif /* CONFIG_HE_OVERRIDES */
2605 	{ INT(ap_max_inactivity) },
2606 	{ INT(dtim_period) },
2607 	{ INT(beacon_int) },
2608 #ifdef CONFIG_MACSEC
2609 	{ INT_RANGE(macsec_policy, 0, 1) },
2610 	{ INT_RANGE(macsec_integ_only, 0, 1) },
2611 	{ INT_RANGE(macsec_replay_protect, 0, 1) },
2612 	{ INT(macsec_replay_window) },
2613 	{ INT_RANGE(macsec_port, 1, 65534) },
2614 	{ INT_RANGE(mka_priority, 0, 255) },
2615 	{ FUNC_KEY(mka_cak) },
2616 	{ FUNC_KEY(mka_ckn) },
2617 #endif /* CONFIG_MACSEC */
2618 #ifdef CONFIG_HS20
2619 	{ INT(update_identifier) },
2620 	{ STR_RANGE(roaming_consortium_selection, 0, MAX_ROAMING_CONS_OI_LEN) },
2621 #endif /* CONFIG_HS20 */
2622 	{ INT_RANGE(mac_addr, 0, 2) },
2623 	{ INT_RANGE(pbss, 0, 2) },
2624 	{ INT_RANGE(wps_disabled, 0, 1) },
2625 	{ INT_RANGE(fils_dh_group, 0, 65535) },
2626 #ifdef CONFIG_DPP
2627 	{ STR(dpp_connector) },
2628 	{ STR_LEN(dpp_netaccesskey) },
2629 	{ INT(dpp_netaccesskey_expiry) },
2630 	{ STR_LEN(dpp_csign) },
2631 	{ STR_LEN(dpp_pp_key) },
2632 	{ INT_RANGE(dpp_pfs, 0, 2) },
2633 #endif /* CONFIG_DPP */
2634 	{ INT_RANGE(owe_group, 0, 65535) },
2635 	{ INT_RANGE(owe_only, 0, 1) },
2636 	{ INT_RANGE(owe_ptk_workaround, 0, 1) },
2637 	{ INT_RANGE(multi_ap_backhaul_sta, 0, 1) },
2638 	{ INT_RANGE(ft_eap_pmksa_caching, 0, 1) },
2639 	{ INT_RANGE(beacon_prot, 0, 1) },
2640 	{ INT_RANGE(transition_disable, 0, 255) },
2641 	{ INT_RANGE(sae_pk, 0, 2) },
2642 };
2643 
2644 #undef OFFSET
2645 #undef _STR
2646 #undef STR
2647 #undef STR_KEY
2648 #undef _STR_LEN
2649 #undef STR_LEN
2650 #undef STR_LEN_KEY
2651 #undef _STR_RANGE
2652 #undef STR_RANGE
2653 #undef STR_RANGE_KEY
2654 #undef _INT
2655 #undef INT
2656 #undef INT_RANGE
2657 #undef _FUNC
2658 #undef FUNC
2659 #undef FUNC_KEY
2660 #define NUM_SSID_FIELDS ARRAY_SIZE(ssid_fields)
2661 
2662 
2663 /**
2664  * wpa_config_add_prio_network - Add a network to priority lists
2665  * @config: Configuration data from wpa_config_read()
2666  * @ssid: Pointer to the network configuration to be added to the list
2667  * Returns: 0 on success, -1 on failure
2668  *
2669  * This function is used to add a network block to the priority list of
2670  * networks. This must be called for each network when reading in the full
2671  * configuration. In addition, this can be used indirectly when updating
2672  * priorities by calling wpa_config_update_prio_list().
2673  */
2674 int wpa_config_add_prio_network(struct wpa_config *config,
2675 				struct wpa_ssid *ssid)
2676 {
2677 	size_t prio;
2678 	struct wpa_ssid *prev, **nlist;
2679 
2680 	/*
2681 	 * Add to an existing priority list if one is available for the
2682 	 * configured priority level for this network.
2683 	 */
2684 	for (prio = 0; prio < config->num_prio; prio++) {
2685 		prev = config->pssid[prio];
2686 		if (prev->priority == ssid->priority) {
2687 			while (prev->pnext)
2688 				prev = prev->pnext;
2689 			prev->pnext = ssid;
2690 			return 0;
2691 		}
2692 	}
2693 
2694 	/* First network for this priority - add a new priority list */
2695 	nlist = os_realloc_array(config->pssid, config->num_prio + 1,
2696 				 sizeof(struct wpa_ssid *));
2697 	if (nlist == NULL)
2698 		return -1;
2699 
2700 	for (prio = 0; prio < config->num_prio; prio++) {
2701 		if (nlist[prio]->priority < ssid->priority) {
2702 			os_memmove(&nlist[prio + 1], &nlist[prio],
2703 				   (config->num_prio - prio) *
2704 				   sizeof(struct wpa_ssid *));
2705 			break;
2706 		}
2707 	}
2708 
2709 	nlist[prio] = ssid;
2710 	config->num_prio++;
2711 	config->pssid = nlist;
2712 
2713 	return 0;
2714 }
2715 
2716 
2717 /**
2718  * wpa_config_update_prio_list - Update network priority list
2719  * @config: Configuration data from wpa_config_read()
2720  * Returns: 0 on success, -1 on failure
2721  *
2722  * This function is called to update the priority list of networks in the
2723  * configuration when a network is being added or removed. This is also called
2724  * if a priority for a network is changed.
2725  */
2726 int wpa_config_update_prio_list(struct wpa_config *config)
2727 {
2728 	struct wpa_ssid *ssid;
2729 	int ret = 0;
2730 
2731 	os_free(config->pssid);
2732 	config->pssid = NULL;
2733 	config->num_prio = 0;
2734 
2735 	ssid = config->ssid;
2736 	while (ssid) {
2737 		ssid->pnext = NULL;
2738 		if (wpa_config_add_prio_network(config, ssid) < 0)
2739 			ret = -1;
2740 		ssid = ssid->next;
2741 	}
2742 
2743 	return ret;
2744 }
2745 
2746 
2747 #ifdef IEEE8021X_EAPOL
2748 
2749 static void eap_peer_config_free_cert(struct eap_peer_cert_config *cert)
2750 {
2751 	os_free(cert->ca_cert);
2752 	os_free(cert->ca_path);
2753 	os_free(cert->client_cert);
2754 	os_free(cert->private_key);
2755 	str_clear_free(cert->private_key_passwd);
2756 	os_free(cert->dh_file);
2757 	os_free(cert->subject_match);
2758 	os_free(cert->check_cert_subject);
2759 	os_free(cert->altsubject_match);
2760 	os_free(cert->domain_suffix_match);
2761 	os_free(cert->domain_match);
2762 	str_clear_free(cert->pin);
2763 	os_free(cert->engine_id);
2764 	os_free(cert->key_id);
2765 	os_free(cert->cert_id);
2766 	os_free(cert->ca_cert_id);
2767 }
2768 
2769 
2770 static void eap_peer_config_free(struct eap_peer_config *eap)
2771 {
2772 	os_free(eap->eap_methods);
2773 	bin_clear_free(eap->identity, eap->identity_len);
2774 	os_free(eap->anonymous_identity);
2775 	os_free(eap->imsi_identity);
2776 	os_free(eap->machine_identity);
2777 	bin_clear_free(eap->password, eap->password_len);
2778 	bin_clear_free(eap->machine_password, eap->machine_password_len);
2779 	eap_peer_config_free_cert(&eap->cert);
2780 	eap_peer_config_free_cert(&eap->phase2_cert);
2781 	eap_peer_config_free_cert(&eap->machine_cert);
2782 	os_free(eap->phase1);
2783 	os_free(eap->phase2);
2784 	os_free(eap->machine_phase2);
2785 	os_free(eap->pcsc);
2786 	os_free(eap->otp);
2787 	os_free(eap->pending_req_otp);
2788 	os_free(eap->pac_file);
2789 	bin_clear_free(eap->new_password, eap->new_password_len);
2790 	str_clear_free(eap->external_sim_resp);
2791 	os_free(eap->openssl_ciphers);
2792 }
2793 
2794 #endif /* IEEE8021X_EAPOL */
2795 
2796 
2797 /**
2798  * wpa_config_free_ssid - Free network/ssid configuration data
2799  * @ssid: Configuration data for the network
2800  *
2801  * This function frees all resources allocated for the network configuration
2802  * data.
2803  */
2804 void wpa_config_free_ssid(struct wpa_ssid *ssid)
2805 {
2806 	struct psk_list_entry *psk;
2807 
2808 	os_free(ssid->ssid);
2809 	str_clear_free(ssid->passphrase);
2810 	os_free(ssid->ext_psk);
2811 	str_clear_free(ssid->sae_password);
2812 	os_free(ssid->sae_password_id);
2813 #ifdef IEEE8021X_EAPOL
2814 	eap_peer_config_free(&ssid->eap);
2815 #endif /* IEEE8021X_EAPOL */
2816 	os_free(ssid->id_str);
2817 	os_free(ssid->scan_freq);
2818 	os_free(ssid->freq_list);
2819 	os_free(ssid->bgscan);
2820 	os_free(ssid->p2p_client_list);
2821 	os_free(ssid->bssid_ignore);
2822 	os_free(ssid->bssid_accept);
2823 #ifdef CONFIG_HT_OVERRIDES
2824 	os_free(ssid->ht_mcs);
2825 #endif /* CONFIG_HT_OVERRIDES */
2826 #ifdef CONFIG_MESH
2827 	os_free(ssid->mesh_basic_rates);
2828 #endif /* CONFIG_MESH */
2829 #ifdef CONFIG_HS20
2830 	os_free(ssid->roaming_consortium_selection);
2831 #endif /* CONFIG_HS20 */
2832 	os_free(ssid->dpp_connector);
2833 	bin_clear_free(ssid->dpp_netaccesskey, ssid->dpp_netaccesskey_len);
2834 	os_free(ssid->dpp_csign);
2835 	os_free(ssid->dpp_pp_key);
2836 	while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry,
2837 				    list))) {
2838 		dl_list_del(&psk->list);
2839 		bin_clear_free(psk, sizeof(*psk));
2840 	}
2841 #ifdef CONFIG_SAE
2842 	sae_deinit_pt(ssid->pt);
2843 #endif /* CONFIG_SAE */
2844 	bin_clear_free(ssid, sizeof(*ssid));
2845 }
2846 
2847 
2848 void wpa_config_free_cred(struct wpa_cred *cred)
2849 {
2850 	size_t i;
2851 
2852 	os_free(cred->realm);
2853 	str_clear_free(cred->username);
2854 	str_clear_free(cred->password);
2855 	os_free(cred->ca_cert);
2856 	os_free(cred->client_cert);
2857 	os_free(cred->private_key);
2858 	str_clear_free(cred->private_key_passwd);
2859 	os_free(cred->engine_id);
2860 	os_free(cred->ca_cert_id);
2861 	os_free(cred->cert_id);
2862 	os_free(cred->key_id);
2863 	os_free(cred->imsi);
2864 	str_clear_free(cred->milenage);
2865 	for (i = 0; i < cred->num_domain; i++)
2866 		os_free(cred->domain[i]);
2867 	os_free(cred->domain);
2868 	os_free(cred->domain_suffix_match);
2869 	os_free(cred->eap_method);
2870 	os_free(cred->phase1);
2871 	os_free(cred->phase2);
2872 	os_free(cred->excluded_ssid);
2873 	os_free(cred->roaming_partner);
2874 	os_free(cred->provisioning_sp);
2875 	for (i = 0; i < cred->num_req_conn_capab; i++)
2876 		os_free(cred->req_conn_capab_port[i]);
2877 	os_free(cred->req_conn_capab_port);
2878 	os_free(cred->req_conn_capab_proto);
2879 	os_free(cred);
2880 }
2881 
2882 
2883 void wpa_config_flush_blobs(struct wpa_config *config)
2884 {
2885 #ifndef CONFIG_NO_CONFIG_BLOBS
2886 	struct wpa_config_blob *blob, *prev;
2887 
2888 	blob = config->blobs;
2889 	config->blobs = NULL;
2890 	while (blob) {
2891 		prev = blob;
2892 		blob = blob->next;
2893 		wpa_config_free_blob(prev);
2894 	}
2895 #endif /* CONFIG_NO_CONFIG_BLOBS */
2896 }
2897 
2898 
2899 /**
2900  * wpa_config_free - Free configuration data
2901  * @config: Configuration data from wpa_config_read()
2902  *
2903  * This function frees all resources allocated for the configuration data by
2904  * wpa_config_read().
2905  */
2906 void wpa_config_free(struct wpa_config *config)
2907 {
2908 	struct wpa_ssid *ssid, *prev = NULL;
2909 	struct wpa_cred *cred, *cprev;
2910 	int i;
2911 
2912 	ssid = config->ssid;
2913 	while (ssid) {
2914 		prev = ssid;
2915 		ssid = ssid->next;
2916 		wpa_config_free_ssid(prev);
2917 	}
2918 
2919 	cred = config->cred;
2920 	while (cred) {
2921 		cprev = cred;
2922 		cred = cred->next;
2923 		wpa_config_free_cred(cprev);
2924 	}
2925 
2926 	wpa_config_flush_blobs(config);
2927 
2928 	wpabuf_free(config->wps_vendor_ext_m1);
2929 	for (i = 0; i < MAX_WPS_VENDOR_EXT; i++)
2930 		wpabuf_free(config->wps_vendor_ext[i]);
2931 	os_free(config->ctrl_interface);
2932 	os_free(config->ctrl_interface_group);
2933 	os_free(config->opensc_engine_path);
2934 	os_free(config->pkcs11_engine_path);
2935 	os_free(config->pkcs11_module_path);
2936 	os_free(config->openssl_ciphers);
2937 	os_free(config->pcsc_reader);
2938 	str_clear_free(config->pcsc_pin);
2939 	os_free(config->driver_param);
2940 	os_free(config->device_name);
2941 	os_free(config->manufacturer);
2942 	os_free(config->model_name);
2943 	os_free(config->model_number);
2944 	os_free(config->serial_number);
2945 	os_free(config->config_methods);
2946 	os_free(config->p2p_ssid_postfix);
2947 	os_free(config->pssid);
2948 	os_free(config->p2p_pref_chan);
2949 	os_free(config->p2p_no_go_freq.range);
2950 	os_free(config->autoscan);
2951 	os_free(config->freq_list);
2952 	os_free(config->initial_freq_list);
2953 	wpabuf_free(config->wps_nfc_dh_pubkey);
2954 	wpabuf_free(config->wps_nfc_dh_privkey);
2955 	wpabuf_free(config->wps_nfc_dev_pw);
2956 	os_free(config->ext_password_backend);
2957 	os_free(config->sae_groups);
2958 	wpabuf_free(config->ap_vendor_elements);
2959 	wpabuf_free(config->ap_assocresp_elements);
2960 	os_free(config->osu_dir);
2961 	os_free(config->bgscan);
2962 	os_free(config->wowlan_triggers);
2963 	os_free(config->fst_group_id);
2964 	os_free(config->sched_scan_plans);
2965 #ifdef CONFIG_MBO
2966 	os_free(config->non_pref_chan);
2967 #endif /* CONFIG_MBO */
2968 	os_free(config->dpp_name);
2969 	os_free(config->dpp_mud_url);
2970 
2971 	os_free(config);
2972 }
2973 
2974 
2975 /**
2976  * wpa_config_foreach_network - Iterate over each configured network
2977  * @config: Configuration data from wpa_config_read()
2978  * @func: Callback function to process each network
2979  * @arg: Opaque argument to pass to callback function
2980  *
2981  * Iterate over the set of configured networks calling the specified
2982  * function for each item. We guard against callbacks removing the
2983  * supplied network.
2984  */
2985 void wpa_config_foreach_network(struct wpa_config *config,
2986 				void (*func)(void *, struct wpa_ssid *),
2987 				void *arg)
2988 {
2989 	struct wpa_ssid *ssid, *next;
2990 
2991 	ssid = config->ssid;
2992 	while (ssid) {
2993 		next = ssid->next;
2994 		func(arg, ssid);
2995 		ssid = next;
2996 	}
2997 }
2998 
2999 
3000 /**
3001  * wpa_config_get_network - Get configured network based on id
3002  * @config: Configuration data from wpa_config_read()
3003  * @id: Unique network id to search for
3004  * Returns: Network configuration or %NULL if not found
3005  */
3006 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
3007 {
3008 	struct wpa_ssid *ssid;
3009 
3010 	ssid = config->ssid;
3011 	while (ssid) {
3012 		if (id == ssid->id)
3013 			break;
3014 		ssid = ssid->next;
3015 	}
3016 
3017 	return ssid;
3018 }
3019 
3020 
3021 /**
3022  * wpa_config_add_network - Add a new network with empty configuration
3023  * @config: Configuration data from wpa_config_read()
3024  * Returns: The new network configuration or %NULL if operation failed
3025  */
3026 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
3027 {
3028 	int id;
3029 	struct wpa_ssid *ssid, *last = NULL;
3030 
3031 	id = -1;
3032 	ssid = config->ssid;
3033 	while (ssid) {
3034 		if (ssid->id > id)
3035 			id = ssid->id;
3036 		last = ssid;
3037 		ssid = ssid->next;
3038 	}
3039 	id++;
3040 
3041 	ssid = os_zalloc(sizeof(*ssid));
3042 	if (ssid == NULL)
3043 		return NULL;
3044 	ssid->id = id;
3045 	dl_list_init(&ssid->psk_list);
3046 	if (last)
3047 		last->next = ssid;
3048 	else
3049 		config->ssid = ssid;
3050 
3051 	wpa_config_update_prio_list(config);
3052 
3053 	return ssid;
3054 }
3055 
3056 
3057 /**
3058  * wpa_config_remove_network - Remove a configured network based on id
3059  * @config: Configuration data from wpa_config_read()
3060  * @id: Unique network id to search for
3061  * Returns: 0 on success, or -1 if the network was not found
3062  */
3063 int wpa_config_remove_network(struct wpa_config *config, int id)
3064 {
3065 	struct wpa_ssid *ssid, *prev = NULL;
3066 
3067 	ssid = config->ssid;
3068 	while (ssid) {
3069 		if (id == ssid->id)
3070 			break;
3071 		prev = ssid;
3072 		ssid = ssid->next;
3073 	}
3074 
3075 	if (ssid == NULL)
3076 		return -1;
3077 
3078 	if (prev)
3079 		prev->next = ssid->next;
3080 	else
3081 		config->ssid = ssid->next;
3082 
3083 	wpa_config_update_prio_list(config);
3084 	wpa_config_free_ssid(ssid);
3085 	return 0;
3086 }
3087 
3088 
3089 /**
3090  * wpa_config_set_network_defaults - Set network default values
3091  * @ssid: Pointer to network configuration data
3092  */
3093 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
3094 {
3095 	ssid->proto = DEFAULT_PROTO;
3096 	ssid->pairwise_cipher = DEFAULT_PAIRWISE;
3097 	ssid->group_cipher = DEFAULT_GROUP;
3098 	ssid->key_mgmt = DEFAULT_KEY_MGMT;
3099 	ssid->wpa_deny_ptk0_rekey = PTK0_REKEY_ALLOW_ALWAYS;
3100 	ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
3101 	ssid->ht = 1;
3102 	ssid->vht = 1;
3103 	ssid->he = 1;
3104 #ifdef IEEE8021X_EAPOL
3105 	ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
3106 	ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
3107 	ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
3108 	ssid->eap.sim_num = DEFAULT_USER_SELECTED_SIM;
3109 #endif /* IEEE8021X_EAPOL */
3110 #ifdef CONFIG_MESH
3111 	ssid->dot11MeshMaxRetries = DEFAULT_MESH_MAX_RETRIES;
3112 	ssid->dot11MeshRetryTimeout = DEFAULT_MESH_RETRY_TIMEOUT;
3113 	ssid->dot11MeshConfirmTimeout = DEFAULT_MESH_CONFIRM_TIMEOUT;
3114 	ssid->dot11MeshHoldingTimeout = DEFAULT_MESH_HOLDING_TIMEOUT;
3115 	ssid->mesh_fwding = DEFAULT_MESH_FWDING;
3116 	ssid->mesh_rssi_threshold = DEFAULT_MESH_RSSI_THRESHOLD;
3117 #endif /* CONFIG_MESH */
3118 #ifdef CONFIG_HT_OVERRIDES
3119 	ssid->disable_ht = DEFAULT_DISABLE_HT;
3120 	ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
3121 	ssid->disable_sgi = DEFAULT_DISABLE_SGI;
3122 	ssid->disable_ldpc = DEFAULT_DISABLE_LDPC;
3123 	ssid->tx_stbc = DEFAULT_TX_STBC;
3124 	ssid->rx_stbc = DEFAULT_RX_STBC;
3125 	ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
3126 	ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
3127 	ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
3128 #endif /* CONFIG_HT_OVERRIDES */
3129 #ifdef CONFIG_VHT_OVERRIDES
3130 	ssid->vht_rx_mcs_nss_1 = -1;
3131 	ssid->vht_rx_mcs_nss_2 = -1;
3132 	ssid->vht_rx_mcs_nss_3 = -1;
3133 	ssid->vht_rx_mcs_nss_4 = -1;
3134 	ssid->vht_rx_mcs_nss_5 = -1;
3135 	ssid->vht_rx_mcs_nss_6 = -1;
3136 	ssid->vht_rx_mcs_nss_7 = -1;
3137 	ssid->vht_rx_mcs_nss_8 = -1;
3138 	ssid->vht_tx_mcs_nss_1 = -1;
3139 	ssid->vht_tx_mcs_nss_2 = -1;
3140 	ssid->vht_tx_mcs_nss_3 = -1;
3141 	ssid->vht_tx_mcs_nss_4 = -1;
3142 	ssid->vht_tx_mcs_nss_5 = -1;
3143 	ssid->vht_tx_mcs_nss_6 = -1;
3144 	ssid->vht_tx_mcs_nss_7 = -1;
3145 	ssid->vht_tx_mcs_nss_8 = -1;
3146 #endif /* CONFIG_VHT_OVERRIDES */
3147 	ssid->proactive_key_caching = -1;
3148 	ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT;
3149 	ssid->sae_pwe = DEFAULT_SAE_PWE;
3150 #ifdef CONFIG_MACSEC
3151 	ssid->mka_priority = DEFAULT_PRIO_NOT_KEY_SERVER;
3152 #endif /* CONFIG_MACSEC */
3153 	ssid->mac_addr = -1;
3154 	ssid->max_oper_chwidth = DEFAULT_MAX_OPER_CHWIDTH;
3155 }
3156 
3157 
3158 /**
3159  * wpa_config_set - Set a variable in network configuration
3160  * @ssid: Pointer to network configuration data
3161  * @var: Variable name, e.g., "ssid"
3162  * @value: Variable value
3163  * @line: Line number in configuration file or 0 if not used
3164  * Returns: 0 on success with possible change in the value, 1 on success with
3165  * no change to previously configured value, or -1 on failure
3166  *
3167  * This function can be used to set network configuration variables based on
3168  * both the configuration file and management interface input. The value
3169  * parameter must be in the same format as the text-based configuration file is
3170  * using. For example, strings are using double quotation marks.
3171  */
3172 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
3173 		   int line)
3174 {
3175 	size_t i;
3176 	int ret = 0;
3177 
3178 	if (ssid == NULL || var == NULL || value == NULL)
3179 		return -1;
3180 
3181 	for (i = 0; i < NUM_SSID_FIELDS; i++) {
3182 		const struct parse_data *field = &ssid_fields[i];
3183 		if (os_strcmp(var, field->name) != 0)
3184 			continue;
3185 
3186 		ret = field->parser(field, ssid, line, value);
3187 		if (ret < 0) {
3188 			if (line) {
3189 				wpa_printf(MSG_ERROR, "Line %d: failed to "
3190 					   "parse %s '%s'.", line, var, value);
3191 			}
3192 			ret = -1;
3193 		}
3194 #ifdef CONFIG_SAE
3195 		if (os_strcmp(var, "ssid") == 0 ||
3196 		    os_strcmp(var, "psk") == 0 ||
3197 		    os_strcmp(var, "sae_password") == 0 ||
3198 		    os_strcmp(var, "sae_password_id") == 0) {
3199 			sae_deinit_pt(ssid->pt);
3200 			ssid->pt = NULL;
3201 		}
3202 #endif /* CONFIG_SAE */
3203 		break;
3204 	}
3205 	if (i == NUM_SSID_FIELDS) {
3206 		if (line) {
3207 			wpa_printf(MSG_ERROR, "Line %d: unknown network field "
3208 				   "'%s'.", line, var);
3209 		}
3210 		ret = -1;
3211 	}
3212 	ssid->was_recently_reconfigured = true;
3213 
3214 	return ret;
3215 }
3216 
3217 
3218 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
3219 			  const char *value)
3220 {
3221 	size_t len;
3222 	char *buf;
3223 	int ret;
3224 
3225 	len = os_strlen(value);
3226 	buf = os_malloc(len + 3);
3227 	if (buf == NULL)
3228 		return -1;
3229 	buf[0] = '"';
3230 	os_memcpy(buf + 1, value, len);
3231 	buf[len + 1] = '"';
3232 	buf[len + 2] = '\0';
3233 	ret = wpa_config_set(ssid, var, buf, 0);
3234 	os_free(buf);
3235 	return ret;
3236 }
3237 
3238 
3239 /**
3240  * wpa_config_get_all - Get all options from network configuration
3241  * @ssid: Pointer to network configuration data
3242  * @get_keys: Determines if keys/passwords will be included in returned list
3243  *	(if they may be exported)
3244  * Returns: %NULL terminated list of all set keys and their values in the form
3245  * of [key1, val1, key2, val2, ... , NULL]
3246  *
3247  * This function can be used to get list of all configured network properties.
3248  * The caller is responsible for freeing the returned list and all its
3249  * elements.
3250  */
3251 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
3252 {
3253 #ifdef NO_CONFIG_WRITE
3254 	return NULL;
3255 #else /* NO_CONFIG_WRITE */
3256 	const struct parse_data *field;
3257 	char *key, *value;
3258 	size_t i;
3259 	char **props;
3260 	int fields_num;
3261 
3262 	get_keys = get_keys && ssid->export_keys;
3263 
3264 	props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
3265 	if (!props)
3266 		return NULL;
3267 
3268 	fields_num = 0;
3269 	for (i = 0; i < NUM_SSID_FIELDS; i++) {
3270 		field = &ssid_fields[i];
3271 		if (field->key_data && !get_keys)
3272 			continue;
3273 		value = field->writer(field, ssid);
3274 		if (value == NULL)
3275 			continue;
3276 		if (os_strlen(value) == 0) {
3277 			os_free(value);
3278 			continue;
3279 		}
3280 
3281 		key = os_strdup(field->name);
3282 		if (key == NULL) {
3283 			os_free(value);
3284 			goto err;
3285 		}
3286 
3287 		props[fields_num * 2] = key;
3288 		props[fields_num * 2 + 1] = value;
3289 
3290 		fields_num++;
3291 	}
3292 
3293 	return props;
3294 
3295 err:
3296 	for (i = 0; props[i]; i++)
3297 		os_free(props[i]);
3298 	os_free(props);
3299 	return NULL;
3300 #endif /* NO_CONFIG_WRITE */
3301 }
3302 
3303 
3304 #ifndef NO_CONFIG_WRITE
3305 /**
3306  * wpa_config_get - Get a variable in network configuration
3307  * @ssid: Pointer to network configuration data
3308  * @var: Variable name, e.g., "ssid"
3309  * Returns: Value of the variable or %NULL on failure
3310  *
3311  * This function can be used to get network configuration variables. The
3312  * returned value is a copy of the configuration variable in text format, i.e,.
3313  * the same format that the text-based configuration file and wpa_config_set()
3314  * are using for the value. The caller is responsible for freeing the returned
3315  * value.
3316  */
3317 char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
3318 {
3319 	size_t i;
3320 
3321 	if (ssid == NULL || var == NULL)
3322 		return NULL;
3323 
3324 	for (i = 0; i < NUM_SSID_FIELDS; i++) {
3325 		const struct parse_data *field = &ssid_fields[i];
3326 		if (os_strcmp(var, field->name) == 0) {
3327 			char *ret = field->writer(field, ssid);
3328 
3329 			if (ret && has_newline(ret)) {
3330 				wpa_printf(MSG_ERROR,
3331 					   "Found newline in value for %s; not returning it",
3332 					   var);
3333 				os_free(ret);
3334 				ret = NULL;
3335 			}
3336 
3337 			return ret;
3338 		}
3339 	}
3340 
3341 	return NULL;
3342 }
3343 
3344 
3345 /**
3346  * wpa_config_get_no_key - Get a variable in network configuration (no keys)
3347  * @ssid: Pointer to network configuration data
3348  * @var: Variable name, e.g., "ssid"
3349  * Returns: Value of the variable or %NULL on failure
3350  *
3351  * This function can be used to get network configuration variable like
3352  * wpa_config_get(). The only difference is that this functions does not expose
3353  * key/password material from the configuration. In case a key/password field
3354  * is requested, the returned value is an empty string or %NULL if the variable
3355  * is not set or "*" if the variable is set (regardless of its value). The
3356  * returned value is a copy of the configuration variable in text format, i.e,.
3357  * the same format that the text-based configuration file and wpa_config_set()
3358  * are using for the value. The caller is responsible for freeing the returned
3359  * value.
3360  */
3361 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
3362 {
3363 	size_t i;
3364 
3365 	if (ssid == NULL || var == NULL)
3366 		return NULL;
3367 
3368 	for (i = 0; i < NUM_SSID_FIELDS; i++) {
3369 		const struct parse_data *field = &ssid_fields[i];
3370 		if (os_strcmp(var, field->name) == 0) {
3371 			char *res = field->writer(field, ssid);
3372 			if (field->key_data) {
3373 				if (res && res[0]) {
3374 					wpa_printf(MSG_DEBUG, "Do not allow "
3375 						   "key_data field to be "
3376 						   "exposed");
3377 					str_clear_free(res);
3378 					return os_strdup("*");
3379 				}
3380 
3381 				os_free(res);
3382 				return NULL;
3383 			}
3384 			return res;
3385 		}
3386 	}
3387 
3388 	return NULL;
3389 }
3390 #endif /* NO_CONFIG_WRITE */
3391 
3392 
3393 /**
3394  * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
3395  * @ssid: Pointer to network configuration data
3396  *
3397  * This function must be called to update WPA PSK when either SSID or the
3398  * passphrase has changed for the network configuration.
3399  */
3400 void wpa_config_update_psk(struct wpa_ssid *ssid)
3401 {
3402 #ifndef CONFIG_NO_PBKDF2
3403 	pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
3404 		    ssid->psk, PMK_LEN);
3405 	wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
3406 			ssid->psk, PMK_LEN);
3407 	ssid->psk_set = 1;
3408 #endif /* CONFIG_NO_PBKDF2 */
3409 }
3410 
3411 
3412 static int wpa_config_set_cred_req_conn_capab(struct wpa_cred *cred,
3413 					      const char *value)
3414 {
3415 	u8 *proto;
3416 	int **port;
3417 	int *ports, *nports;
3418 	const char *pos;
3419 	unsigned int num_ports;
3420 
3421 	proto = os_realloc_array(cred->req_conn_capab_proto,
3422 				 cred->num_req_conn_capab + 1, sizeof(u8));
3423 	if (proto == NULL)
3424 		return -1;
3425 	cred->req_conn_capab_proto = proto;
3426 
3427 	port = os_realloc_array(cred->req_conn_capab_port,
3428 				cred->num_req_conn_capab + 1, sizeof(int *));
3429 	if (port == NULL)
3430 		return -1;
3431 	cred->req_conn_capab_port = port;
3432 
3433 	proto[cred->num_req_conn_capab] = atoi(value);
3434 
3435 	pos = os_strchr(value, ':');
3436 	if (pos == NULL) {
3437 		port[cred->num_req_conn_capab] = NULL;
3438 		cred->num_req_conn_capab++;
3439 		return 0;
3440 	}
3441 	pos++;
3442 
3443 	ports = NULL;
3444 	num_ports = 0;
3445 
3446 	while (*pos) {
3447 		nports = os_realloc_array(ports, num_ports + 1, sizeof(int));
3448 		if (nports == NULL) {
3449 			os_free(ports);
3450 			return -1;
3451 		}
3452 		ports = nports;
3453 		ports[num_ports++] = atoi(pos);
3454 
3455 		pos = os_strchr(pos, ',');
3456 		if (pos == NULL)
3457 			break;
3458 		pos++;
3459 	}
3460 
3461 	nports = os_realloc_array(ports, num_ports + 1, sizeof(int));
3462 	if (nports == NULL) {
3463 		os_free(ports);
3464 		return -1;
3465 	}
3466 	ports = nports;
3467 	ports[num_ports] = -1;
3468 
3469 	port[cred->num_req_conn_capab] = ports;
3470 	cred->num_req_conn_capab++;
3471 	return 0;
3472 }
3473 
3474 
3475 static int wpa_config_set_cred_roaming_consortiums(struct wpa_cred *cred,
3476 						   const char *value)
3477 {
3478 	u8 roaming_consortiums[MAX_ROAMING_CONS][MAX_ROAMING_CONS_OI_LEN];
3479 	size_t roaming_consortiums_len[MAX_ROAMING_CONS];
3480 	unsigned int num_roaming_consortiums = 0;
3481 	const char *pos, *end;
3482 	size_t len;
3483 
3484 	os_memset(roaming_consortiums, 0, sizeof(roaming_consortiums));
3485 	os_memset(roaming_consortiums_len, 0, sizeof(roaming_consortiums_len));
3486 
3487 	for (pos = value;;) {
3488 		end = os_strchr(pos, ',');
3489 		len = end ? (size_t) (end - pos) : os_strlen(pos);
3490 		if (!end && len == 0)
3491 			break;
3492 		if (len == 0 || (len & 1) != 0 ||
3493 		    len / 2 > MAX_ROAMING_CONS_OI_LEN ||
3494 		    hexstr2bin(pos,
3495 			       roaming_consortiums[num_roaming_consortiums],
3496 			       len / 2) < 0) {
3497 			wpa_printf(MSG_INFO,
3498 				   "Invalid roaming_consortiums entry: %s",
3499 				   pos);
3500 			return -1;
3501 		}
3502 		roaming_consortiums_len[num_roaming_consortiums] = len / 2;
3503 		num_roaming_consortiums++;
3504 
3505 		if (!end)
3506 			break;
3507 
3508 		if (num_roaming_consortiums >= MAX_ROAMING_CONS) {
3509 			wpa_printf(MSG_INFO,
3510 				   "Too many roaming_consortiums OIs");
3511 			return -1;
3512 		}
3513 
3514 		pos = end + 1;
3515 	}
3516 
3517 	os_memcpy(cred->roaming_consortiums, roaming_consortiums,
3518 		  sizeof(roaming_consortiums));
3519 	os_memcpy(cred->roaming_consortiums_len, roaming_consortiums_len,
3520 		  sizeof(roaming_consortiums_len));
3521 	cred->num_roaming_consortiums = num_roaming_consortiums;
3522 
3523 	return 0;
3524 }
3525 
3526 
3527 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
3528 			const char *value, int line)
3529 {
3530 	char *val;
3531 	size_t len;
3532 	int res;
3533 
3534 	if (os_strcmp(var, "temporary") == 0) {
3535 		cred->temporary = atoi(value);
3536 		return 0;
3537 	}
3538 
3539 	if (os_strcmp(var, "priority") == 0) {
3540 		cred->priority = atoi(value);
3541 		return 0;
3542 	}
3543 
3544 	if (os_strcmp(var, "sp_priority") == 0) {
3545 		int prio = atoi(value);
3546 		if (prio < 0 || prio > 255)
3547 			return -1;
3548 		cred->sp_priority = prio;
3549 		return 0;
3550 	}
3551 
3552 	if (os_strcmp(var, "pcsc") == 0) {
3553 		cred->pcsc = atoi(value);
3554 		return 0;
3555 	}
3556 
3557 	if (os_strcmp(var, "eap") == 0) {
3558 		struct eap_method_type method;
3559 		method.method = eap_peer_get_type(value, &method.vendor);
3560 		if (method.vendor == EAP_VENDOR_IETF &&
3561 		    method.method == EAP_TYPE_NONE) {
3562 			wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
3563 				   "for a credential", line, value);
3564 			return -1;
3565 		}
3566 		os_free(cred->eap_method);
3567 		cred->eap_method = os_malloc(sizeof(*cred->eap_method));
3568 		if (cred->eap_method == NULL)
3569 			return -1;
3570 		os_memcpy(cred->eap_method, &method, sizeof(method));
3571 		return 0;
3572 	}
3573 
3574 	if (os_strcmp(var, "password") == 0 &&
3575 	    os_strncmp(value, "ext:", 4) == 0) {
3576 		if (has_newline(value))
3577 			return -1;
3578 		str_clear_free(cred->password);
3579 		cred->password = os_strdup(value);
3580 		cred->ext_password = 1;
3581 		return 0;
3582 	}
3583 
3584 	if (os_strcmp(var, "update_identifier") == 0) {
3585 		cred->update_identifier = atoi(value);
3586 		return 0;
3587 	}
3588 
3589 	if (os_strcmp(var, "min_dl_bandwidth_home") == 0) {
3590 		cred->min_dl_bandwidth_home = atoi(value);
3591 		return 0;
3592 	}
3593 
3594 	if (os_strcmp(var, "min_ul_bandwidth_home") == 0) {
3595 		cred->min_ul_bandwidth_home = atoi(value);
3596 		return 0;
3597 	}
3598 
3599 	if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) {
3600 		cred->min_dl_bandwidth_roaming = atoi(value);
3601 		return 0;
3602 	}
3603 
3604 	if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) {
3605 		cred->min_ul_bandwidth_roaming = atoi(value);
3606 		return 0;
3607 	}
3608 
3609 	if (os_strcmp(var, "max_bss_load") == 0) {
3610 		cred->max_bss_load = atoi(value);
3611 		return 0;
3612 	}
3613 
3614 	if (os_strcmp(var, "req_conn_capab") == 0)
3615 		return wpa_config_set_cred_req_conn_capab(cred, value);
3616 
3617 	if (os_strcmp(var, "ocsp") == 0) {
3618 		cred->ocsp = atoi(value);
3619 		return 0;
3620 	}
3621 
3622 	if (os_strcmp(var, "sim_num") == 0) {
3623 		cred->sim_num = atoi(value);
3624 		return 0;
3625 	}
3626 
3627 	if (os_strcmp(var, "engine") == 0) {
3628 		cred->engine = atoi(value);
3629 		return 0;
3630 	}
3631 
3632 	val = wpa_config_parse_string(value, &len);
3633 	if (val == NULL ||
3634 	    (os_strcmp(var, "excluded_ssid") != 0 &&
3635 	     os_strcmp(var, "roaming_consortium") != 0 &&
3636 	     os_strcmp(var, "required_roaming_consortium") != 0 &&
3637 	     has_newline(val))) {
3638 		wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
3639 			   "value '%s'.", line, var, value);
3640 		os_free(val);
3641 		return -1;
3642 	}
3643 
3644 	if (os_strcmp(var, "realm") == 0) {
3645 		os_free(cred->realm);
3646 		cred->realm = val;
3647 		return 0;
3648 	}
3649 
3650 	if (os_strcmp(var, "username") == 0) {
3651 		str_clear_free(cred->username);
3652 		cred->username = val;
3653 		return 0;
3654 	}
3655 
3656 	if (os_strcmp(var, "password") == 0) {
3657 		str_clear_free(cred->password);
3658 		cred->password = val;
3659 		cred->ext_password = 0;
3660 		return 0;
3661 	}
3662 
3663 	if (os_strcmp(var, "ca_cert") == 0) {
3664 		os_free(cred->ca_cert);
3665 		cred->ca_cert = val;
3666 		return 0;
3667 	}
3668 
3669 	if (os_strcmp(var, "client_cert") == 0) {
3670 		os_free(cred->client_cert);
3671 		cred->client_cert = val;
3672 		return 0;
3673 	}
3674 
3675 	if (os_strcmp(var, "private_key") == 0) {
3676 		os_free(cred->private_key);
3677 		cred->private_key = val;
3678 		return 0;
3679 	}
3680 
3681 	if (os_strcmp(var, "private_key_passwd") == 0) {
3682 		str_clear_free(cred->private_key_passwd);
3683 		cred->private_key_passwd = val;
3684 		return 0;
3685 	}
3686 
3687 	if (os_strcmp(var, "engine_id") == 0) {
3688 		os_free(cred->engine_id);
3689 		cred->engine_id = val;
3690 		return 0;
3691 	}
3692 
3693 	if (os_strcmp(var, "ca_cert_id") == 0) {
3694 		os_free(cred->ca_cert_id);
3695 		cred->ca_cert_id = val;
3696 		return 0;
3697 	}
3698 
3699 	if (os_strcmp(var, "cert_id") == 0) {
3700 		os_free(cred->cert_id);
3701 		cred->cert_id = val;
3702 		return 0;
3703 	}
3704 
3705 	if (os_strcmp(var, "key_id") == 0) {
3706 		os_free(cred->key_id);
3707 		cred->key_id = val;
3708 		return 0;
3709 	}
3710 
3711 	if (os_strcmp(var, "imsi") == 0) {
3712 		os_free(cred->imsi);
3713 		cred->imsi = val;
3714 		return 0;
3715 	}
3716 
3717 	if (os_strcmp(var, "milenage") == 0) {
3718 		str_clear_free(cred->milenage);
3719 		cred->milenage = val;
3720 		return 0;
3721 	}
3722 
3723 	if (os_strcmp(var, "domain_suffix_match") == 0) {
3724 		os_free(cred->domain_suffix_match);
3725 		cred->domain_suffix_match = val;
3726 		return 0;
3727 	}
3728 
3729 	if (os_strcmp(var, "domain") == 0) {
3730 		char **new_domain;
3731 		new_domain = os_realloc_array(cred->domain,
3732 					      cred->num_domain + 1,
3733 					      sizeof(char *));
3734 		if (new_domain == NULL) {
3735 			os_free(val);
3736 			return -1;
3737 		}
3738 		new_domain[cred->num_domain++] = val;
3739 		cred->domain = new_domain;
3740 		return 0;
3741 	}
3742 
3743 	if (os_strcmp(var, "phase1") == 0) {
3744 		os_free(cred->phase1);
3745 		cred->phase1 = val;
3746 		return 0;
3747 	}
3748 
3749 	if (os_strcmp(var, "phase2") == 0) {
3750 		os_free(cred->phase2);
3751 		cred->phase2 = val;
3752 		return 0;
3753 	}
3754 
3755 	if (os_strcmp(var, "roaming_consortium") == 0) {
3756 		if (len < 3 || len > sizeof(cred->roaming_consortium)) {
3757 			wpa_printf(MSG_ERROR, "Line %d: invalid "
3758 				   "roaming_consortium length %d (3..15 "
3759 				   "expected)", line, (int) len);
3760 			os_free(val);
3761 			return -1;
3762 		}
3763 		os_memcpy(cred->roaming_consortium, val, len);
3764 		cred->roaming_consortium_len = len;
3765 		os_free(val);
3766 		return 0;
3767 	}
3768 
3769 	if (os_strcmp(var, "required_roaming_consortium") == 0) {
3770 		if (len < 3 || len > sizeof(cred->required_roaming_consortium))
3771 		{
3772 			wpa_printf(MSG_ERROR, "Line %d: invalid "
3773 				   "required_roaming_consortium length %d "
3774 				   "(3..15 expected)", line, (int) len);
3775 			os_free(val);
3776 			return -1;
3777 		}
3778 		os_memcpy(cred->required_roaming_consortium, val, len);
3779 		cred->required_roaming_consortium_len = len;
3780 		os_free(val);
3781 		return 0;
3782 	}
3783 
3784 	if (os_strcmp(var, "roaming_consortiums") == 0) {
3785 		res = wpa_config_set_cred_roaming_consortiums(cred, val);
3786 		if (res < 0)
3787 			wpa_printf(MSG_ERROR,
3788 				   "Line %d: invalid roaming_consortiums",
3789 				   line);
3790 		os_free(val);
3791 		return res;
3792 	}
3793 
3794 	if (os_strcmp(var, "excluded_ssid") == 0) {
3795 		struct excluded_ssid *e;
3796 
3797 		if (len > SSID_MAX_LEN) {
3798 			wpa_printf(MSG_ERROR, "Line %d: invalid "
3799 				   "excluded_ssid length %d", line, (int) len);
3800 			os_free(val);
3801 			return -1;
3802 		}
3803 
3804 		e = os_realloc_array(cred->excluded_ssid,
3805 				     cred->num_excluded_ssid + 1,
3806 				     sizeof(struct excluded_ssid));
3807 		if (e == NULL) {
3808 			os_free(val);
3809 			return -1;
3810 		}
3811 		cred->excluded_ssid = e;
3812 
3813 		e = &cred->excluded_ssid[cred->num_excluded_ssid++];
3814 		os_memcpy(e->ssid, val, len);
3815 		e->ssid_len = len;
3816 
3817 		os_free(val);
3818 
3819 		return 0;
3820 	}
3821 
3822 	if (os_strcmp(var, "roaming_partner") == 0) {
3823 		struct roaming_partner *p;
3824 		char *pos;
3825 
3826 		p = os_realloc_array(cred->roaming_partner,
3827 				     cred->num_roaming_partner + 1,
3828 				     sizeof(struct roaming_partner));
3829 		if (p == NULL) {
3830 			os_free(val);
3831 			return -1;
3832 		}
3833 		cred->roaming_partner = p;
3834 
3835 		p = &cred->roaming_partner[cred->num_roaming_partner];
3836 
3837 		pos = os_strchr(val, ',');
3838 		if (pos == NULL) {
3839 			os_free(val);
3840 			return -1;
3841 		}
3842 		*pos++ = '\0';
3843 		if (pos - val - 1 >= (int) sizeof(p->fqdn)) {
3844 			os_free(val);
3845 			return -1;
3846 		}
3847 		os_memcpy(p->fqdn, val, pos - val);
3848 
3849 		p->exact_match = atoi(pos);
3850 
3851 		pos = os_strchr(pos, ',');
3852 		if (pos == NULL) {
3853 			os_free(val);
3854 			return -1;
3855 		}
3856 		*pos++ = '\0';
3857 
3858 		p->priority = atoi(pos);
3859 
3860 		pos = os_strchr(pos, ',');
3861 		if (pos == NULL) {
3862 			os_free(val);
3863 			return -1;
3864 		}
3865 		*pos++ = '\0';
3866 
3867 		if (os_strlen(pos) >= sizeof(p->country)) {
3868 			os_free(val);
3869 			return -1;
3870 		}
3871 		os_memcpy(p->country, pos, os_strlen(pos) + 1);
3872 
3873 		cred->num_roaming_partner++;
3874 		os_free(val);
3875 
3876 		return 0;
3877 	}
3878 
3879 	if (os_strcmp(var, "provisioning_sp") == 0) {
3880 		os_free(cred->provisioning_sp);
3881 		cred->provisioning_sp = val;
3882 		return 0;
3883 	}
3884 
3885 	if (line) {
3886 		wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
3887 			   line, var);
3888 	}
3889 
3890 	os_free(val);
3891 
3892 	return -1;
3893 }
3894 
3895 
3896 static char * alloc_int_str(int val)
3897 {
3898 	const unsigned int bufsize = 20;
3899 	char *buf;
3900 	int res;
3901 
3902 	buf = os_malloc(bufsize);
3903 	if (buf == NULL)
3904 		return NULL;
3905 	res = os_snprintf(buf, bufsize, "%d", val);
3906 	if (os_snprintf_error(bufsize, res)) {
3907 		os_free(buf);
3908 		buf = NULL;
3909 	}
3910 	return buf;
3911 }
3912 
3913 
3914 static char * alloc_strdup(const char *str)
3915 {
3916 	if (str == NULL)
3917 		return NULL;
3918 	return os_strdup(str);
3919 }
3920 
3921 
3922 char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var)
3923 {
3924 	if (os_strcmp(var, "temporary") == 0)
3925 		return alloc_int_str(cred->temporary);
3926 
3927 	if (os_strcmp(var, "priority") == 0)
3928 		return alloc_int_str(cred->priority);
3929 
3930 	if (os_strcmp(var, "sp_priority") == 0)
3931 		return alloc_int_str(cred->sp_priority);
3932 
3933 	if (os_strcmp(var, "pcsc") == 0)
3934 		return alloc_int_str(cred->pcsc);
3935 
3936 	if (os_strcmp(var, "eap") == 0) {
3937 		if (!cred->eap_method)
3938 			return NULL;
3939 		return alloc_strdup(eap_get_name(cred->eap_method[0].vendor,
3940 						 cred->eap_method[0].method));
3941 	}
3942 
3943 	if (os_strcmp(var, "update_identifier") == 0)
3944 		return alloc_int_str(cred->update_identifier);
3945 
3946 	if (os_strcmp(var, "min_dl_bandwidth_home") == 0)
3947 		return alloc_int_str(cred->min_dl_bandwidth_home);
3948 
3949 	if (os_strcmp(var, "min_ul_bandwidth_home") == 0)
3950 		return alloc_int_str(cred->min_ul_bandwidth_home);
3951 
3952 	if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0)
3953 		return alloc_int_str(cred->min_dl_bandwidth_roaming);
3954 
3955 	if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0)
3956 		return alloc_int_str(cred->min_ul_bandwidth_roaming);
3957 
3958 	if (os_strcmp(var, "max_bss_load") == 0)
3959 		return alloc_int_str(cred->max_bss_load);
3960 
3961 	if (os_strcmp(var, "req_conn_capab") == 0) {
3962 		unsigned int i;
3963 		char *buf, *end, *pos;
3964 		int ret;
3965 
3966 		if (!cred->num_req_conn_capab)
3967 			return NULL;
3968 
3969 		buf = os_malloc(4000);
3970 		if (buf == NULL)
3971 			return NULL;
3972 		pos = buf;
3973 		end = pos + 4000;
3974 		for (i = 0; i < cred->num_req_conn_capab; i++) {
3975 			int *ports;
3976 
3977 			ret = os_snprintf(pos, end - pos, "%s%u",
3978 					  i > 0 ? "\n" : "",
3979 					  cred->req_conn_capab_proto[i]);
3980 			if (os_snprintf_error(end - pos, ret))
3981 				return buf;
3982 			pos += ret;
3983 
3984 			ports = cred->req_conn_capab_port[i];
3985 			if (ports) {
3986 				int j;
3987 				for (j = 0; ports[j] != -1; j++) {
3988 					ret = os_snprintf(pos, end - pos,
3989 							  "%s%d",
3990 							  j > 0 ? "," : ":",
3991 							  ports[j]);
3992 					if (os_snprintf_error(end - pos, ret))
3993 						return buf;
3994 					pos += ret;
3995 				}
3996 			}
3997 		}
3998 
3999 		return buf;
4000 	}
4001 
4002 	if (os_strcmp(var, "ocsp") == 0)
4003 		return alloc_int_str(cred->ocsp);
4004 
4005 	if (os_strcmp(var, "realm") == 0)
4006 		return alloc_strdup(cred->realm);
4007 
4008 	if (os_strcmp(var, "username") == 0)
4009 		return alloc_strdup(cred->username);
4010 
4011 	if (os_strcmp(var, "password") == 0) {
4012 		if (!cred->password)
4013 			return NULL;
4014 		return alloc_strdup("*");
4015 	}
4016 
4017 	if (os_strcmp(var, "ca_cert") == 0)
4018 		return alloc_strdup(cred->ca_cert);
4019 
4020 	if (os_strcmp(var, "client_cert") == 0)
4021 		return alloc_strdup(cred->client_cert);
4022 
4023 	if (os_strcmp(var, "private_key") == 0)
4024 		return alloc_strdup(cred->private_key);
4025 
4026 	if (os_strcmp(var, "private_key_passwd") == 0) {
4027 		if (!cred->private_key_passwd)
4028 			return NULL;
4029 		return alloc_strdup("*");
4030 	}
4031 
4032 	if (os_strcmp(var, "imsi") == 0)
4033 		return alloc_strdup(cred->imsi);
4034 
4035 	if (os_strcmp(var, "milenage") == 0) {
4036 		if (!(cred->milenage))
4037 			return NULL;
4038 		return alloc_strdup("*");
4039 	}
4040 
4041 	if (os_strcmp(var, "domain_suffix_match") == 0)
4042 		return alloc_strdup(cred->domain_suffix_match);
4043 
4044 	if (os_strcmp(var, "domain") == 0) {
4045 		unsigned int i;
4046 		char *buf, *end, *pos;
4047 		int ret;
4048 
4049 		if (!cred->num_domain)
4050 			return NULL;
4051 
4052 		buf = os_malloc(4000);
4053 		if (buf == NULL)
4054 			return NULL;
4055 		pos = buf;
4056 		end = pos + 4000;
4057 
4058 		for (i = 0; i < cred->num_domain; i++) {
4059 			ret = os_snprintf(pos, end - pos, "%s%s",
4060 					  i > 0 ? "\n" : "", cred->domain[i]);
4061 			if (os_snprintf_error(end - pos, ret))
4062 				return buf;
4063 			pos += ret;
4064 		}
4065 
4066 		return buf;
4067 	}
4068 
4069 	if (os_strcmp(var, "phase1") == 0)
4070 		return alloc_strdup(cred->phase1);
4071 
4072 	if (os_strcmp(var, "phase2") == 0)
4073 		return alloc_strdup(cred->phase2);
4074 
4075 	if (os_strcmp(var, "roaming_consortium") == 0) {
4076 		size_t buflen;
4077 		char *buf;
4078 
4079 		if (!cred->roaming_consortium_len)
4080 			return NULL;
4081 		buflen = cred->roaming_consortium_len * 2 + 1;
4082 		buf = os_malloc(buflen);
4083 		if (buf == NULL)
4084 			return NULL;
4085 		wpa_snprintf_hex(buf, buflen, cred->roaming_consortium,
4086 				 cred->roaming_consortium_len);
4087 		return buf;
4088 	}
4089 
4090 	if (os_strcmp(var, "required_roaming_consortium") == 0) {
4091 		size_t buflen;
4092 		char *buf;
4093 
4094 		if (!cred->required_roaming_consortium_len)
4095 			return NULL;
4096 		buflen = cred->required_roaming_consortium_len * 2 + 1;
4097 		buf = os_malloc(buflen);
4098 		if (buf == NULL)
4099 			return NULL;
4100 		wpa_snprintf_hex(buf, buflen, cred->required_roaming_consortium,
4101 				 cred->required_roaming_consortium_len);
4102 		return buf;
4103 	}
4104 
4105 	if (os_strcmp(var, "roaming_consortiums") == 0) {
4106 		size_t buflen;
4107 		char *buf, *pos;
4108 		size_t i;
4109 
4110 		if (!cred->num_roaming_consortiums)
4111 			return NULL;
4112 		buflen = cred->num_roaming_consortiums *
4113 			MAX_ROAMING_CONS_OI_LEN * 2 + 1;
4114 		buf = os_malloc(buflen);
4115 		if (!buf)
4116 			return NULL;
4117 		pos = buf;
4118 		for (i = 0; i < cred->num_roaming_consortiums; i++) {
4119 			if (i > 0)
4120 				*pos++ = ',';
4121 			pos += wpa_snprintf_hex(
4122 				pos, buf + buflen - pos,
4123 				cred->roaming_consortiums[i],
4124 				cred->roaming_consortiums_len[i]);
4125 		}
4126 		*pos = '\0';
4127 		return buf;
4128 	}
4129 
4130 	if (os_strcmp(var, "excluded_ssid") == 0) {
4131 		unsigned int i;
4132 		char *buf, *end, *pos;
4133 
4134 		if (!cred->num_excluded_ssid)
4135 			return NULL;
4136 
4137 		buf = os_malloc(4000);
4138 		if (buf == NULL)
4139 			return NULL;
4140 		pos = buf;
4141 		end = pos + 4000;
4142 
4143 		for (i = 0; i < cred->num_excluded_ssid; i++) {
4144 			struct excluded_ssid *e;
4145 			int ret;
4146 
4147 			e = &cred->excluded_ssid[i];
4148 			ret = os_snprintf(pos, end - pos, "%s%s",
4149 					  i > 0 ? "\n" : "",
4150 					  wpa_ssid_txt(e->ssid, e->ssid_len));
4151 			if (os_snprintf_error(end - pos, ret))
4152 				return buf;
4153 			pos += ret;
4154 		}
4155 
4156 		return buf;
4157 	}
4158 
4159 	if (os_strcmp(var, "roaming_partner") == 0) {
4160 		unsigned int i;
4161 		char *buf, *end, *pos;
4162 
4163 		if (!cred->num_roaming_partner)
4164 			return NULL;
4165 
4166 		buf = os_malloc(4000);
4167 		if (buf == NULL)
4168 			return NULL;
4169 		pos = buf;
4170 		end = pos + 4000;
4171 
4172 		for (i = 0; i < cred->num_roaming_partner; i++) {
4173 			struct roaming_partner *p;
4174 			int ret;
4175 
4176 			p = &cred->roaming_partner[i];
4177 			ret = os_snprintf(pos, end - pos, "%s%s,%d,%u,%s",
4178 					  i > 0 ? "\n" : "",
4179 					  p->fqdn, p->exact_match, p->priority,
4180 					  p->country);
4181 			if (os_snprintf_error(end - pos, ret))
4182 				return buf;
4183 			pos += ret;
4184 		}
4185 
4186 		return buf;
4187 	}
4188 
4189 	if (os_strcmp(var, "provisioning_sp") == 0)
4190 		return alloc_strdup(cred->provisioning_sp);
4191 
4192 	return NULL;
4193 }
4194 
4195 
4196 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
4197 {
4198 	struct wpa_cred *cred;
4199 
4200 	cred = config->cred;
4201 	while (cred) {
4202 		if (id == cred->id)
4203 			break;
4204 		cred = cred->next;
4205 	}
4206 
4207 	return cred;
4208 }
4209 
4210 
4211 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
4212 {
4213 	int id;
4214 	struct wpa_cred *cred, *last = NULL;
4215 
4216 	id = -1;
4217 	cred = config->cred;
4218 	while (cred) {
4219 		if (cred->id > id)
4220 			id = cred->id;
4221 		last = cred;
4222 		cred = cred->next;
4223 	}
4224 	id++;
4225 
4226 	cred = os_zalloc(sizeof(*cred));
4227 	if (cred == NULL)
4228 		return NULL;
4229 	cred->id = id;
4230 	cred->sim_num = DEFAULT_USER_SELECTED_SIM;
4231 	if (last)
4232 		last->next = cred;
4233 	else
4234 		config->cred = cred;
4235 
4236 	return cred;
4237 }
4238 
4239 
4240 int wpa_config_remove_cred(struct wpa_config *config, int id)
4241 {
4242 	struct wpa_cred *cred, *prev = NULL;
4243 
4244 	cred = config->cred;
4245 	while (cred) {
4246 		if (id == cred->id)
4247 			break;
4248 		prev = cred;
4249 		cred = cred->next;
4250 	}
4251 
4252 	if (cred == NULL)
4253 		return -1;
4254 
4255 	if (prev)
4256 		prev->next = cred->next;
4257 	else
4258 		config->cred = cred->next;
4259 
4260 	wpa_config_free_cred(cred);
4261 	return 0;
4262 }
4263 
4264 
4265 #ifndef CONFIG_NO_CONFIG_BLOBS
4266 /**
4267  * wpa_config_get_blob - Get a named configuration blob
4268  * @config: Configuration data from wpa_config_read()
4269  * @name: Name of the blob
4270  * Returns: Pointer to blob data or %NULL if not found
4271  */
4272 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
4273 						   const char *name)
4274 {
4275 	struct wpa_config_blob *blob = config->blobs;
4276 
4277 	while (blob) {
4278 		if (os_strcmp(blob->name, name) == 0)
4279 			return blob;
4280 		blob = blob->next;
4281 	}
4282 	return NULL;
4283 }
4284 
4285 
4286 /**
4287  * wpa_config_set_blob - Set or add a named configuration blob
4288  * @config: Configuration data from wpa_config_read()
4289  * @blob: New value for the blob
4290  *
4291  * Adds a new configuration blob or replaces the current value of an existing
4292  * blob.
4293  */
4294 void wpa_config_set_blob(struct wpa_config *config,
4295 			 struct wpa_config_blob *blob)
4296 {
4297 	wpa_config_remove_blob(config, blob->name);
4298 	blob->next = config->blobs;
4299 	config->blobs = blob;
4300 }
4301 
4302 
4303 /**
4304  * wpa_config_free_blob - Free blob data
4305  * @blob: Pointer to blob to be freed
4306  */
4307 void wpa_config_free_blob(struct wpa_config_blob *blob)
4308 {
4309 	if (blob) {
4310 		os_free(blob->name);
4311 		bin_clear_free(blob->data, blob->len);
4312 		os_free(blob);
4313 	}
4314 }
4315 
4316 
4317 /**
4318  * wpa_config_remove_blob - Remove a named configuration blob
4319  * @config: Configuration data from wpa_config_read()
4320  * @name: Name of the blob to remove
4321  * Returns: 0 if blob was removed or -1 if blob was not found
4322  */
4323 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
4324 {
4325 	struct wpa_config_blob *pos = config->blobs, *prev = NULL;
4326 
4327 	while (pos) {
4328 		if (os_strcmp(pos->name, name) == 0) {
4329 			if (prev)
4330 				prev->next = pos->next;
4331 			else
4332 				config->blobs = pos->next;
4333 			wpa_config_free_blob(pos);
4334 			return 0;
4335 		}
4336 		prev = pos;
4337 		pos = pos->next;
4338 	}
4339 
4340 	return -1;
4341 }
4342 #endif /* CONFIG_NO_CONFIG_BLOBS */
4343 
4344 
4345 /**
4346  * wpa_config_alloc_empty - Allocate an empty configuration
4347  * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
4348  * socket
4349  * @driver_param: Driver parameters
4350  * Returns: Pointer to allocated configuration data or %NULL on failure
4351  */
4352 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
4353 					   const char *driver_param)
4354 {
4355 #define ecw2cw(ecw) ((1 << (ecw)) - 1)
4356 
4357 	struct wpa_config *config;
4358 	const int aCWmin = 4, aCWmax = 10;
4359 	const struct hostapd_wmm_ac_params ac_bk =
4360 		{ aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
4361 	const struct hostapd_wmm_ac_params ac_be =
4362 		{ aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
4363 	const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
4364 		{ aCWmin - 1, aCWmin, 2, 3008 / 32, 0 };
4365 	const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
4366 		{ aCWmin - 2, aCWmin - 1, 2, 1504 / 32, 0 };
4367 	const struct hostapd_tx_queue_params txq_bk =
4368 		{ 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 };
4369 	const struct hostapd_tx_queue_params txq_be =
4370 		{ 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0 };
4371 	const struct hostapd_tx_queue_params txq_vi =
4372 		{ 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30 };
4373 	const struct hostapd_tx_queue_params txq_vo =
4374 		{ 1, (ecw2cw(aCWmin) + 1) / 4 - 1,
4375 		  (ecw2cw(aCWmin) + 1) / 2 - 1, 15 };
4376 
4377 #undef ecw2cw
4378 
4379 	config = os_zalloc(sizeof(*config));
4380 	if (config == NULL)
4381 		return NULL;
4382 	config->eapol_version = DEFAULT_EAPOL_VERSION;
4383 	config->ap_scan = DEFAULT_AP_SCAN;
4384 	config->user_mpm = DEFAULT_USER_MPM;
4385 	config->max_peer_links = DEFAULT_MAX_PEER_LINKS;
4386 	config->mesh_max_inactivity = DEFAULT_MESH_MAX_INACTIVITY;
4387 	config->mesh_fwding = DEFAULT_MESH_FWDING;
4388 	config->dot11RSNASAERetransPeriod =
4389 		DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD;
4390 	config->fast_reauth = DEFAULT_FAST_REAUTH;
4391 	config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
4392 	config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
4393 	config->p2p_go_freq_change_policy = DEFAULT_P2P_GO_FREQ_MOVE;
4394 	config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
4395 	config->p2p_optimize_listen_chan = DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN;
4396 	config->p2p_go_ctwindow = DEFAULT_P2P_GO_CTWINDOW;
4397 	config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
4398 	config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
4399 	config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
4400 	config->max_num_sta = DEFAULT_MAX_NUM_STA;
4401 	config->ap_isolate = DEFAULT_AP_ISOLATE;
4402 	config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
4403 	config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ;
4404 	config->scan_res_valid_for_connect = DEFAULT_SCAN_RES_VALID_FOR_CONNECT;
4405 	config->wmm_ac_params[0] = ac_be;
4406 	config->wmm_ac_params[1] = ac_bk;
4407 	config->wmm_ac_params[2] = ac_vi;
4408 	config->wmm_ac_params[3] = ac_vo;
4409 	config->tx_queue[0] = txq_vo;
4410 	config->tx_queue[1] = txq_vi;
4411 	config->tx_queue[2] = txq_be;
4412 	config->tx_queue[3] = txq_bk;
4413 	config->p2p_search_delay = DEFAULT_P2P_SEARCH_DELAY;
4414 	config->rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME;
4415 	config->key_mgmt_offload = DEFAULT_KEY_MGMT_OFFLOAD;
4416 	config->cert_in_cb = DEFAULT_CERT_IN_CB;
4417 	config->wpa_rsc_relaxation = DEFAULT_WPA_RSC_RELAXATION;
4418 	config->extended_key_id = DEFAULT_EXTENDED_KEY_ID;
4419 
4420 #ifdef CONFIG_MBO
4421 	config->mbo_cell_capa = DEFAULT_MBO_CELL_CAPA;
4422 	config->disassoc_imminent_rssi_threshold =
4423 		DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD;
4424 	config->oce = DEFAULT_OCE_SUPPORT;
4425 #endif /* CONFIG_MBO */
4426 
4427 	if (ctrl_interface)
4428 		config->ctrl_interface = os_strdup(ctrl_interface);
4429 	if (driver_param)
4430 		config->driver_param = os_strdup(driver_param);
4431 	config->gas_rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME;
4432 
4433 	return config;
4434 }
4435 
4436 
4437 #ifndef CONFIG_NO_STDOUT_DEBUG
4438 /**
4439  * wpa_config_debug_dump_networks - Debug dump of configured networks
4440  * @config: Configuration data from wpa_config_read()
4441  */
4442 void wpa_config_debug_dump_networks(struct wpa_config *config)
4443 {
4444 	size_t prio;
4445 	struct wpa_ssid *ssid;
4446 
4447 	for (prio = 0; prio < config->num_prio; prio++) {
4448 		ssid = config->pssid[prio];
4449 		wpa_printf(MSG_DEBUG, "Priority group %d",
4450 			   ssid->priority);
4451 		while (ssid) {
4452 			wpa_printf(MSG_DEBUG, "   id=%d ssid='%s'",
4453 				   ssid->id,
4454 				   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
4455 			ssid = ssid->pnext;
4456 		}
4457 	}
4458 }
4459 #endif /* CONFIG_NO_STDOUT_DEBUG */
4460 
4461 
4462 /**
4463  * Structure for global configuration parsing. This data is used to implement a
4464  * generic parser for the global interface configuration. The table of variables
4465  * is defined below in this file (global_fields[]).
4466  */
4467 struct global_parse_data {
4468 	/* Configuration variable name */
4469 	char *name;
4470 
4471 	/* Parser function for this variable. The parser functions return 0 or 1
4472 	 * to indicate success. Value 0 indicates that the parameter value may
4473 	 * have changed while value 1 means that the value did not change.
4474 	 * Error cases (failure to parse the string) are indicated by returning
4475 	 * -1. */
4476 	int (*parser)(const struct global_parse_data *data,
4477 		      struct wpa_config *config, int line, const char *value);
4478 
4479 	/* Getter function to print the variable in text format to buf. */
4480 	int (*get)(const char *name, struct wpa_config *config, long offset,
4481 		   char *buf, size_t buflen, int pretty_print);
4482 
4483 	/* Variable specific parameters for the parser. */
4484 	void *param1, *param2, *param3;
4485 
4486 	/* Indicates which configuration variable has changed. */
4487 	unsigned int changed_flag;
4488 };
4489 
4490 
4491 static int wpa_global_config_parse_int(const struct global_parse_data *data,
4492 				       struct wpa_config *config, int line,
4493 				       const char *pos)
4494 {
4495 	int val, *dst;
4496 	char *end;
4497 	bool same;
4498 
4499 	dst = (int *) (((u8 *) config) + (long) data->param1);
4500 	val = strtol(pos, &end, 0);
4501 	if (*end) {
4502 		wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
4503 			   line, pos);
4504 		return -1;
4505 	}
4506 	same = *dst == val;
4507 	*dst = val;
4508 
4509 	wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
4510 
4511 	if (data->param2 && *dst < (long) data->param2) {
4512 		wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
4513 			   "min_value=%ld)", line, data->name, *dst,
4514 			   (long) data->param2);
4515 		*dst = (long) data->param2;
4516 		return -1;
4517 	}
4518 
4519 	if (data->param3 && *dst > (long) data->param3) {
4520 		wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
4521 			   "max_value=%ld)", line, data->name, *dst,
4522 			   (long) data->param3);
4523 		*dst = (long) data->param3;
4524 		return -1;
4525 	}
4526 
4527 	return same;
4528 }
4529 
4530 
4531 static int wpa_global_config_parse_str(const struct global_parse_data *data,
4532 				       struct wpa_config *config, int line,
4533 				       const char *pos)
4534 {
4535 	size_t len, prev_len;
4536 	char **dst, *tmp;
4537 
4538 	len = os_strlen(pos);
4539 	if (data->param2 && len < (size_t) data->param2) {
4540 		wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
4541 			   "min_len=%ld)", line, data->name,
4542 			   (unsigned long) len, (long) data->param2);
4543 		return -1;
4544 	}
4545 
4546 	if (data->param3 && len > (size_t) data->param3) {
4547 		wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
4548 			   "max_len=%ld)", line, data->name,
4549 			   (unsigned long) len, (long) data->param3);
4550 		return -1;
4551 	}
4552 
4553 	if (has_newline(pos)) {
4554 		wpa_printf(MSG_ERROR, "Line %d: invalid %s value with newline",
4555 			   line, data->name);
4556 		return -1;
4557 	}
4558 
4559 	dst = (char **) (((u8 *) config) + (long) data->param1);
4560 	if (*dst)
4561 		prev_len = os_strlen(*dst);
4562 	else
4563 		prev_len = 0;
4564 
4565 	/* No change to the previously configured value */
4566 	if (*dst && prev_len == len && os_memcmp(*dst, pos, len) == 0)
4567 		return 1;
4568 
4569 	tmp = os_strdup(pos);
4570 	if (tmp == NULL)
4571 		return -1;
4572 
4573 	os_free(*dst);
4574 	*dst = tmp;
4575 	wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
4576 
4577 	return 0;
4578 }
4579 
4580 
4581 static int wpa_config_process_bgscan(const struct global_parse_data *data,
4582 				     struct wpa_config *config, int line,
4583 				     const char *pos)
4584 {
4585 	size_t len;
4586 	char *tmp;
4587 	int res;
4588 
4589 	tmp = wpa_config_parse_string(pos, &len);
4590 	if (tmp == NULL) {
4591 		wpa_printf(MSG_ERROR, "Line %d: failed to parse %s",
4592 			   line, data->name);
4593 		return -1;
4594 	}
4595 
4596 	res = wpa_global_config_parse_str(data, config, line, tmp);
4597 	os_free(tmp);
4598 	return res;
4599 }
4600 
4601 
4602 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
4603 				       struct wpa_config *config, int line,
4604 				       const char *pos)
4605 {
4606 	struct wpabuf **dst, *tmp;
4607 
4608 	tmp = wpabuf_parse_bin(pos);
4609 	if (!tmp)
4610 		return -1;
4611 
4612 	dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
4613 	if (wpabuf_cmp(*dst, tmp) == 0) {
4614 		wpabuf_free(tmp);
4615 		return 1;
4616 	}
4617 	wpabuf_free(*dst);
4618 	*dst = tmp;
4619 	wpa_printf(MSG_DEBUG, "%s", data->name);
4620 
4621 	return 0;
4622 }
4623 
4624 
4625 static int wpa_config_process_freq_list(const struct global_parse_data *data,
4626 					struct wpa_config *config, int line,
4627 					const char *value)
4628 {
4629 	int *freqs;
4630 
4631 	freqs = wpa_config_parse_int_array(value);
4632 	if (freqs == NULL)
4633 		return -1;
4634 	if (freqs[0] == 0) {
4635 		os_free(freqs);
4636 		freqs = NULL;
4637 	}
4638 	os_free(config->freq_list);
4639 	config->freq_list = freqs;
4640 	return 0;
4641 }
4642 
4643 
4644 static int
4645 wpa_config_process_initial_freq_list(const struct global_parse_data *data,
4646 				     struct wpa_config *config, int line,
4647 				     const char *value)
4648 {
4649 	int *freqs;
4650 
4651 	freqs = wpa_config_parse_int_array(value);
4652 	if (!freqs)
4653 		return -1;
4654 	if (freqs[0] == 0) {
4655 		os_free(freqs);
4656 		freqs = NULL;
4657 	}
4658 	os_free(config->initial_freq_list);
4659 	config->initial_freq_list = freqs;
4660 	return 0;
4661 }
4662 
4663 
4664 #ifdef CONFIG_P2P
4665 static int wpa_global_config_parse_ipv4(const struct global_parse_data *data,
4666 					struct wpa_config *config, int line,
4667 					const char *pos)
4668 {
4669 	u32 *dst;
4670 	struct hostapd_ip_addr addr;
4671 
4672 	if (hostapd_parse_ip_addr(pos, &addr) < 0)
4673 		return -1;
4674 	if (addr.af != AF_INET)
4675 		return -1;
4676 
4677 	dst = (u32 *) (((u8 *) config) + (long) data->param1);
4678 	if (os_memcmp(dst, &addr.u.v4.s_addr, 4) == 0)
4679 		return 1;
4680 	os_memcpy(dst, &addr.u.v4.s_addr, 4);
4681 	wpa_printf(MSG_DEBUG, "%s = 0x%x", data->name,
4682 		   WPA_GET_BE32((u8 *) dst));
4683 
4684 	return 0;
4685 }
4686 #endif /* CONFIG_P2P */
4687 
4688 
4689 static int wpa_config_process_country(const struct global_parse_data *data,
4690 				      struct wpa_config *config, int line,
4691 				      const char *pos)
4692 {
4693 	if (!pos[0] || !pos[1]) {
4694 		wpa_printf(MSG_DEBUG, "Invalid country set");
4695 		return -1;
4696 	}
4697 	if (pos[0] == config->country[0] && pos[1] == config->country[1])
4698 		return 1;
4699 	config->country[0] = pos[0];
4700 	config->country[1] = pos[1];
4701 	wpa_printf(MSG_DEBUG, "country='%c%c'",
4702 		   config->country[0], config->country[1]);
4703 	return 0;
4704 }
4705 
4706 
4707 static int wpa_config_process_load_dynamic_eap(
4708 	const struct global_parse_data *data, struct wpa_config *config,
4709 	int line, const char *so)
4710 {
4711 	int ret;
4712 	wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
4713 	ret = eap_peer_method_load(so);
4714 	if (ret == -2) {
4715 		wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
4716 			   "reloading.");
4717 	} else if (ret) {
4718 		wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
4719 			   "method '%s'.", line, so);
4720 		return -1;
4721 	}
4722 
4723 	return 0;
4724 }
4725 
4726 
4727 #ifdef CONFIG_WPS
4728 
4729 static int wpa_config_process_uuid(const struct global_parse_data *data,
4730 				   struct wpa_config *config, int line,
4731 				   const char *pos)
4732 {
4733 	char buf[40];
4734 	if (uuid_str2bin(pos, config->uuid)) {
4735 		wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
4736 		return -1;
4737 	}
4738 	uuid_bin2str(config->uuid, buf, sizeof(buf));
4739 	wpa_printf(MSG_DEBUG, "uuid=%s", buf);
4740 	return 0;
4741 }
4742 
4743 
4744 static int wpa_config_process_device_type(
4745 	const struct global_parse_data *data,
4746 	struct wpa_config *config, int line, const char *pos)
4747 {
4748 	return wps_dev_type_str2bin(pos, config->device_type);
4749 }
4750 
4751 
4752 static int wpa_config_process_os_version(const struct global_parse_data *data,
4753 					 struct wpa_config *config, int line,
4754 					 const char *pos)
4755 {
4756 	if (hexstr2bin(pos, config->os_version, 4)) {
4757 		wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
4758 		return -1;
4759 	}
4760 	wpa_printf(MSG_DEBUG, "os_version=%08x",
4761 		   WPA_GET_BE32(config->os_version));
4762 	return 0;
4763 }
4764 
4765 
4766 static int wpa_config_process_wps_vendor_ext_m1(
4767 	const struct global_parse_data *data,
4768 	struct wpa_config *config, int line, const char *pos)
4769 {
4770 	struct wpabuf *tmp;
4771 	int len = os_strlen(pos) / 2;
4772 	u8 *p;
4773 
4774 	if (!len) {
4775 		wpa_printf(MSG_ERROR, "Line %d: "
4776 			   "invalid wps_vendor_ext_m1", line);
4777 		return -1;
4778 	}
4779 
4780 	tmp = wpabuf_alloc(len);
4781 	if (tmp) {
4782 		p = wpabuf_put(tmp, len);
4783 
4784 		if (hexstr2bin(pos, p, len)) {
4785 			wpa_printf(MSG_ERROR, "Line %d: "
4786 				   "invalid wps_vendor_ext_m1", line);
4787 			wpabuf_free(tmp);
4788 			return -1;
4789 		}
4790 
4791 		wpabuf_free(config->wps_vendor_ext_m1);
4792 		config->wps_vendor_ext_m1 = tmp;
4793 	} else {
4794 		wpa_printf(MSG_ERROR, "Can not allocate "
4795 			   "memory for wps_vendor_ext_m1");
4796 		return -1;
4797 	}
4798 
4799 	return 0;
4800 }
4801 
4802 #endif /* CONFIG_WPS */
4803 
4804 #ifdef CONFIG_P2P
4805 static int wpa_config_process_sec_device_type(
4806 	const struct global_parse_data *data,
4807 	struct wpa_config *config, int line, const char *pos)
4808 {
4809 	int idx;
4810 
4811 	if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
4812 		wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
4813 			   "items", line);
4814 		return -1;
4815 	}
4816 
4817 	idx = config->num_sec_device_types;
4818 
4819 	if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
4820 		return -1;
4821 
4822 	config->num_sec_device_types++;
4823 	return 0;
4824 }
4825 
4826 
4827 static int wpa_config_process_p2p_pref_chan(
4828 	const struct global_parse_data *data,
4829 	struct wpa_config *config, int line, const char *pos)
4830 {
4831 	struct p2p_channel *pref = NULL, *n;
4832 	size_t num = 0;
4833 	const char *pos2;
4834 	u8 op_class, chan;
4835 
4836 	/* format: class:chan,class:chan,... */
4837 
4838 	while (*pos) {
4839 		op_class = atoi(pos);
4840 		pos2 = os_strchr(pos, ':');
4841 		if (pos2 == NULL)
4842 			goto fail;
4843 		pos2++;
4844 		chan = atoi(pos2);
4845 
4846 		n = os_realloc_array(pref, num + 1,
4847 				     sizeof(struct p2p_channel));
4848 		if (n == NULL)
4849 			goto fail;
4850 		pref = n;
4851 		pref[num].op_class = op_class;
4852 		pref[num].chan = chan;
4853 		num++;
4854 
4855 		pos = os_strchr(pos2, ',');
4856 		if (pos == NULL)
4857 			break;
4858 		pos++;
4859 	}
4860 
4861 	os_free(config->p2p_pref_chan);
4862 	config->p2p_pref_chan = pref;
4863 	config->num_p2p_pref_chan = num;
4864 	wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
4865 		    (u8 *) config->p2p_pref_chan,
4866 		    config->num_p2p_pref_chan * sizeof(struct p2p_channel));
4867 
4868 	return 0;
4869 
4870 fail:
4871 	os_free(pref);
4872 	wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
4873 	return -1;
4874 }
4875 
4876 
4877 static int wpa_config_process_p2p_no_go_freq(
4878 	const struct global_parse_data *data,
4879 	struct wpa_config *config, int line, const char *pos)
4880 {
4881 	int ret;
4882 
4883 	ret = freq_range_list_parse(&config->p2p_no_go_freq, pos);
4884 	if (ret < 0) {
4885 		wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_no_go_freq", line);
4886 		return -1;
4887 	}
4888 
4889 	wpa_printf(MSG_DEBUG, "P2P: p2p_no_go_freq with %u items",
4890 		   config->p2p_no_go_freq.num);
4891 
4892 	return 0;
4893 }
4894 
4895 
4896 static int wpa_config_process_p2p_device_persistent_mac_addr(
4897 	const struct global_parse_data *data,
4898 	struct wpa_config *config, int line, const char *pos)
4899 {
4900 	if (hwaddr_aton2(pos, config->p2p_device_persistent_mac_addr) < 0) {
4901 		wpa_printf(MSG_ERROR,
4902 			   "Line %d: Invalid p2p_device_persistent_mac_addr '%s'",
4903 			   line, pos);
4904 		return -1;
4905 	}
4906 
4907 	return 0;
4908 }
4909 
4910 #endif /* CONFIG_P2P */
4911 
4912 
4913 static int wpa_config_process_hessid(
4914 	const struct global_parse_data *data,
4915 	struct wpa_config *config, int line, const char *pos)
4916 {
4917 	if (hwaddr_aton2(pos, config->hessid) < 0) {
4918 		wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
4919 			   line, pos);
4920 		return -1;
4921 	}
4922 
4923 	return 0;
4924 }
4925 
4926 
4927 static int wpa_config_process_sae_groups(
4928 	const struct global_parse_data *data,
4929 	struct wpa_config *config, int line, const char *pos)
4930 {
4931 	int *groups = wpa_config_parse_int_array(pos);
4932 	if (groups == NULL) {
4933 		wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'",
4934 			   line, pos);
4935 		return -1;
4936 	}
4937 
4938 	os_free(config->sae_groups);
4939 	config->sae_groups = groups;
4940 
4941 	return 0;
4942 }
4943 
4944 
4945 static int wpa_config_process_ap_vendor_elements(
4946 	const struct global_parse_data *data,
4947 	struct wpa_config *config, int line, const char *pos)
4948 {
4949 	struct wpabuf *tmp;
4950 
4951 	if (!*pos) {
4952 		wpabuf_free(config->ap_vendor_elements);
4953 		config->ap_vendor_elements = NULL;
4954 		return 0;
4955 	}
4956 
4957 	tmp = wpabuf_parse_bin(pos);
4958 	if (!tmp) {
4959 		wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements",
4960 			   line);
4961 		return -1;
4962 	}
4963 	wpabuf_free(config->ap_vendor_elements);
4964 	config->ap_vendor_elements = tmp;
4965 
4966 	return 0;
4967 }
4968 
4969 
4970 static int wpa_config_process_ap_assocresp_elements(
4971 	const struct global_parse_data *data,
4972 	struct wpa_config *config, int line, const char *pos)
4973 {
4974 	struct wpabuf *tmp;
4975 
4976 	if (!*pos) {
4977 		wpabuf_free(config->ap_assocresp_elements);
4978 		config->ap_assocresp_elements = NULL;
4979 		return 0;
4980 	}
4981 
4982 	tmp = wpabuf_parse_bin(pos);
4983 	if (!tmp) {
4984 		wpa_printf(MSG_ERROR, "Line %d: invalid ap_assocresp_elements",
4985 			   line);
4986 		return -1;
4987 	}
4988 	wpabuf_free(config->ap_assocresp_elements);
4989 	config->ap_assocresp_elements = tmp;
4990 
4991 	return 0;
4992 }
4993 
4994 
4995 #ifdef CONFIG_CTRL_IFACE
4996 static int wpa_config_process_no_ctrl_interface(
4997 	const struct global_parse_data *data,
4998 	struct wpa_config *config, int line, const char *pos)
4999 {
5000 	wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL");
5001 	os_free(config->ctrl_interface);
5002 	config->ctrl_interface = NULL;
5003 	return 0;
5004 }
5005 #endif /* CONFIG_CTRL_IFACE */
5006 
5007 
5008 static int wpa_config_get_int(const char *name, struct wpa_config *config,
5009 			      long offset, char *buf, size_t buflen,
5010 			      int pretty_print)
5011 {
5012 	int *val = (int *) (((u8 *) config) + (long) offset);
5013 
5014 	if (pretty_print)
5015 		return os_snprintf(buf, buflen, "%s=%d\n", name, *val);
5016 	return os_snprintf(buf, buflen, "%d", *val);
5017 }
5018 
5019 
5020 static int wpa_config_get_str(const char *name, struct wpa_config *config,
5021 			      long offset, char *buf, size_t buflen,
5022 			      int pretty_print)
5023 {
5024 	char **val = (char **) (((u8 *) config) + (long) offset);
5025 	int res;
5026 
5027 	if (pretty_print)
5028 		res = os_snprintf(buf, buflen, "%s=%s\n", name,
5029 				  *val ? *val : "null");
5030 	else if (!*val)
5031 		return -1;
5032 	else
5033 		res = os_snprintf(buf, buflen, "%s", *val);
5034 	if (os_snprintf_error(buflen, res))
5035 		res = -1;
5036 
5037 	return res;
5038 }
5039 
5040 
5041 #ifdef CONFIG_P2P
5042 static int wpa_config_get_ipv4(const char *name, struct wpa_config *config,
5043 			       long offset, char *buf, size_t buflen,
5044 			       int pretty_print)
5045 {
5046 	void *val = ((u8 *) config) + (long) offset;
5047 	int res;
5048 	char addr[INET_ADDRSTRLEN];
5049 
5050 	if (!val || !inet_ntop(AF_INET, val, addr, sizeof(addr)))
5051 		return -1;
5052 
5053 	if (pretty_print)
5054 		res = os_snprintf(buf, buflen, "%s=%s\n", name, addr);
5055 	else
5056 		res = os_snprintf(buf, buflen, "%s", addr);
5057 
5058 	if (os_snprintf_error(buflen, res))
5059 		res = -1;
5060 
5061 	return res;
5062 }
5063 #endif /* CONFIG_P2P */
5064 
5065 
5066 #ifdef OFFSET
5067 #undef OFFSET
5068 #endif /* OFFSET */
5069 /* OFFSET: Get offset of a variable within the wpa_config structure */
5070 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
5071 
5072 #define FUNC(f) #f, wpa_config_process_ ## f, NULL, OFFSET(f), NULL, NULL
5073 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL, NULL
5074 #define _INT(f) #f, wpa_global_config_parse_int, wpa_config_get_int, OFFSET(f)
5075 #define INT(f) _INT(f), NULL, NULL
5076 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
5077 #define _STR(f) #f, wpa_global_config_parse_str, wpa_config_get_str, OFFSET(f)
5078 #define STR(f) _STR(f), NULL, NULL
5079 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
5080 #define BIN(f) #f, wpa_global_config_parse_bin, NULL, OFFSET(f), NULL, NULL
5081 #define IPV4(f) #f, wpa_global_config_parse_ipv4, wpa_config_get_ipv4,  \
5082 	OFFSET(f), NULL, NULL
5083 
5084 static const struct global_parse_data global_fields[] = {
5085 #ifdef CONFIG_CTRL_IFACE
5086 	{ STR(ctrl_interface), 0 },
5087 	{ FUNC_NO_VAR(no_ctrl_interface), 0 },
5088 	{ STR(ctrl_interface_group), 0 } /* deprecated */,
5089 #endif /* CONFIG_CTRL_IFACE */
5090 #ifdef CONFIG_MACSEC
5091 	{ INT_RANGE(eapol_version, 1, 3), 0 },
5092 #else /* CONFIG_MACSEC */
5093 	{ INT_RANGE(eapol_version, 1, 2), 0 },
5094 #endif /* CONFIG_MACSEC */
5095 	{ INT(ap_scan), 0 },
5096 	{ FUNC(bgscan), CFG_CHANGED_BGSCAN },
5097 #ifdef CONFIG_MESH
5098 	{ INT(user_mpm), 0 },
5099 	{ INT_RANGE(max_peer_links, 0, 255), 0 },
5100 	{ INT(mesh_max_inactivity), 0 },
5101 	{ INT_RANGE(mesh_fwding, 0, 1), 0 },
5102 	{ INT(dot11RSNASAERetransPeriod), 0 },
5103 #endif /* CONFIG_MESH */
5104 	{ INT(disable_scan_offload), 0 },
5105 	{ INT(fast_reauth), 0 },
5106 	{ STR(opensc_engine_path), 0 },
5107 	{ STR(pkcs11_engine_path), 0 },
5108 	{ STR(pkcs11_module_path), 0 },
5109 	{ STR(openssl_ciphers), 0 },
5110 	{ STR(pcsc_reader), 0 },
5111 	{ STR(pcsc_pin), 0 },
5112 	{ INT(external_sim), 0 },
5113 	{ STR(driver_param), 0 },
5114 	{ INT(dot11RSNAConfigPMKLifetime), 0 },
5115 	{ INT(dot11RSNAConfigPMKReauthThreshold), 0 },
5116 	{ INT(dot11RSNAConfigSATimeout), 0 },
5117 #ifndef CONFIG_NO_CONFIG_WRITE
5118 	{ INT(update_config), 0 },
5119 #endif /* CONFIG_NO_CONFIG_WRITE */
5120 	{ FUNC_NO_VAR(load_dynamic_eap), 0 },
5121 #ifdef CONFIG_WPS
5122 	{ FUNC(uuid), CFG_CHANGED_UUID },
5123 	{ INT_RANGE(auto_uuid, 0, 1), 0 },
5124 	{ STR_RANGE(device_name, 0, WPS_DEV_NAME_MAX_LEN),
5125 	  CFG_CHANGED_DEVICE_NAME },
5126 	{ STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
5127 	{ STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
5128 	{ STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
5129 	{ STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
5130 	{ FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
5131 	{ FUNC(os_version), CFG_CHANGED_OS_VERSION },
5132 	{ STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
5133 	{ INT_RANGE(wps_cred_processing, 0, 2), 0 },
5134 	{ INT_RANGE(wps_cred_add_sae, 0, 1), 0 },
5135 	{ FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
5136 #endif /* CONFIG_WPS */
5137 #ifdef CONFIG_P2P
5138 	{ FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
5139 	{ INT(p2p_listen_reg_class), CFG_CHANGED_P2P_LISTEN_CHANNEL },
5140 	{ INT(p2p_listen_channel), CFG_CHANGED_P2P_LISTEN_CHANNEL },
5141 	{ INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL },
5142 	{ INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL },
5143 	{ INT_RANGE(p2p_go_intent, 0, 15), 0 },
5144 	{ STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
5145 	{ INT_RANGE(persistent_reconnect, 0, 1), 0 },
5146 	{ INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
5147 	{ INT(p2p_group_idle), 0 },
5148 	{ INT_RANGE(p2p_go_freq_change_policy, 0, P2P_GO_FREQ_MOVE_MAX), 0 },
5149 	{ INT_RANGE(p2p_passphrase_len, 8, 63),
5150 	  CFG_CHANGED_P2P_PASSPHRASE_LEN },
5151 	{ FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
5152 	{ FUNC(p2p_no_go_freq), CFG_CHANGED_P2P_PREF_CHAN },
5153 	{ INT_RANGE(p2p_add_cli_chan, 0, 1), 0 },
5154 	{ INT_RANGE(p2p_optimize_listen_chan, 0, 1), 0 },
5155 	{ INT(p2p_go_ht40), 0 },
5156 	{ INT(p2p_go_vht), 0 },
5157 	{ INT(p2p_go_he), 0 },
5158 	{ INT(p2p_go_edmg), 0 },
5159 	{ INT(p2p_disabled), 0 },
5160 	{ INT_RANGE(p2p_go_ctwindow, 0, 127), 0 },
5161 	{ INT(p2p_no_group_iface), 0 },
5162 	{ INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 },
5163 	{ IPV4(ip_addr_go), 0 },
5164 	{ IPV4(ip_addr_mask), 0 },
5165 	{ IPV4(ip_addr_start), 0 },
5166 	{ IPV4(ip_addr_end), 0 },
5167 	{ INT_RANGE(p2p_cli_probe, 0, 1), 0 },
5168 	{ INT(p2p_device_random_mac_addr), 0 },
5169 	{ FUNC(p2p_device_persistent_mac_addr), 0 },
5170 	{ INT(p2p_interface_random_mac_addr), 0 },
5171 	{ INT(p2p_6ghz_disable), 0 },
5172 #endif /* CONFIG_P2P */
5173 	{ FUNC(country), CFG_CHANGED_COUNTRY },
5174 	{ INT(bss_max_count), 0 },
5175 	{ INT(bss_expiration_age), 0 },
5176 	{ INT(bss_expiration_scan_count), 0 },
5177 	{ INT_RANGE(filter_ssids, 0, 1), 0 },
5178 	{ INT_RANGE(filter_rssi, -100, 0), 0 },
5179 	{ INT(max_num_sta), 0 },
5180 	{ INT_RANGE(ap_isolate, 0, 1), 0 },
5181 	{ INT_RANGE(disassoc_low_ack, 0, 1), 0 },
5182 #ifdef CONFIG_HS20
5183 	{ INT_RANGE(hs20, 0, 1), 0 },
5184 #endif /* CONFIG_HS20 */
5185 	{ INT_RANGE(interworking, 0, 1), 0 },
5186 	{ FUNC(hessid), 0 },
5187 	{ INT_RANGE(access_network_type, 0, 15), 0 },
5188 	{ INT_RANGE(go_interworking, 0, 1), 0 },
5189 	{ INT_RANGE(go_access_network_type, 0, 15), 0 },
5190 	{ INT_RANGE(go_internet, 0, 1), 0 },
5191 	{ INT_RANGE(go_venue_group, 0, 255), 0 },
5192 	{ INT_RANGE(go_venue_type, 0, 255), 0 },
5193 	{ INT_RANGE(pbc_in_m1, 0, 1), 0 },
5194 	{ STR(autoscan), 0 },
5195 	{ INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff),
5196 	  CFG_CHANGED_NFC_PASSWORD_TOKEN },
5197 	{ BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
5198 	{ BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
5199 	{ BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN },
5200 	{ STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
5201 	{ INT(p2p_go_max_inactivity), 0 },
5202 	{ INT_RANGE(auto_interworking, 0, 1), 0 },
5203 	{ INT(okc), 0 },
5204 	{ INT(pmf), 0 },
5205 	{ FUNC(sae_groups), 0 },
5206 	{ INT_RANGE(sae_pwe, 0, 3), 0 },
5207 	{ INT_RANGE(sae_pmkid_in_assoc, 0, 1), 0 },
5208 	{ INT(dtim_period), 0 },
5209 	{ INT(beacon_int), 0 },
5210 	{ FUNC(ap_assocresp_elements), 0 },
5211 	{ FUNC(ap_vendor_elements), 0 },
5212 	{ INT_RANGE(ignore_old_scan_res, 0, 1), 0 },
5213 	{ FUNC(freq_list), 0 },
5214 	{ FUNC(initial_freq_list), 0},
5215 	{ INT(scan_cur_freq), 0 },
5216 	{ INT(scan_res_valid_for_connect), 0},
5217 	{ INT(sched_scan_interval), 0 },
5218 	{ INT(sched_scan_start_delay), 0 },
5219 	{ INT(tdls_external_control), 0},
5220 	{ STR(osu_dir), 0 },
5221 	{ STR(wowlan_triggers), CFG_CHANGED_WOWLAN_TRIGGERS },
5222 	{ INT(p2p_search_delay), 0},
5223 	{ INT(mac_addr), 0 },
5224 	{ INT(rand_addr_lifetime), 0 },
5225 	{ INT(preassoc_mac_addr), 0 },
5226 	{ INT(key_mgmt_offload), 0},
5227 	{ INT(passive_scan), 0 },
5228 	{ INT(reassoc_same_bss_optim), 0 },
5229 	{ INT(wps_priority), 0},
5230 #ifdef CONFIG_FST
5231 	{ STR_RANGE(fst_group_id, 1, FST_MAX_GROUP_ID_LEN), 0 },
5232 	{ INT_RANGE(fst_priority, 1, FST_MAX_PRIO_VALUE), 0 },
5233 	{ INT_RANGE(fst_llt, 1, FST_MAX_LLT_MS), 0 },
5234 #endif /* CONFIG_FST */
5235 	{ INT_RANGE(cert_in_cb, 0, 1), 0 },
5236 	{ INT_RANGE(wpa_rsc_relaxation, 0, 1), 0 },
5237 	{ STR(sched_scan_plans), CFG_CHANGED_SCHED_SCAN_PLANS },
5238 #ifdef CONFIG_MBO
5239 	{ STR(non_pref_chan), 0 },
5240 	{ INT_RANGE(mbo_cell_capa, MBO_CELL_CAPA_AVAILABLE,
5241 		    MBO_CELL_CAPA_NOT_SUPPORTED), 0 },
5242 	{ INT_RANGE(disassoc_imminent_rssi_threshold, -120, 0), 0 },
5243 	{ INT_RANGE(oce, 0, 3), 0 },
5244 #endif /* CONFIG_MBO */
5245 	{ INT(gas_address3), 0 },
5246 	{ INT_RANGE(ftm_responder, 0, 1), 0 },
5247 	{ INT_RANGE(ftm_initiator, 0, 1), 0 },
5248 	{ INT(gas_rand_addr_lifetime), 0 },
5249 	{ INT_RANGE(gas_rand_mac_addr, 0, 2), 0 },
5250 #ifdef CONFIG_DPP
5251 	{ INT_RANGE(dpp_config_processing, 0, 2), 0 },
5252 	{ STR(dpp_name), 0 },
5253 	{ STR(dpp_mud_url), 0 },
5254 #endif /* CONFIG_DPP */
5255 	{ INT_RANGE(coloc_intf_reporting, 0, 1), 0 },
5256 #ifdef CONFIG_WNM
5257 	{ INT_RANGE(disable_btm, 0, 1), CFG_CHANGED_DISABLE_BTM },
5258 	{ INT_RANGE(extended_key_id, 0, 1), 0 },
5259 #endif /* CONFIG_WNM */
5260 	{ INT_RANGE(wowlan_disconnect_on_deinit, 0, 1), 0},
5261 #ifdef CONFIG_PASN
5262 #ifdef CONFIG_TESTING_OPTIONS
5263 	{ INT_RANGE(force_kdk_derivation, 0, 1), 0 },
5264 	{ INT_RANGE(pasn_corrupt_mic, 0, 1), 0 },
5265 #endif /* CONFIG_TESTING_OPTIONS */
5266 #endif /* CONFIG_PASN */
5267 };
5268 
5269 #undef FUNC
5270 #undef _INT
5271 #undef INT
5272 #undef INT_RANGE
5273 #undef _STR
5274 #undef STR
5275 #undef STR_RANGE
5276 #undef BIN
5277 #undef IPV4
5278 #define NUM_GLOBAL_FIELDS ARRAY_SIZE(global_fields)
5279 
5280 
5281 int wpa_config_dump_values(struct wpa_config *config, char *buf, size_t buflen)
5282 {
5283 	int result = 0;
5284 	size_t i;
5285 
5286 	for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
5287 		const struct global_parse_data *field = &global_fields[i];
5288 		int tmp;
5289 
5290 		if (!field->get)
5291 			continue;
5292 
5293 		tmp = field->get(field->name, config, (long) field->param1,
5294 				 buf, buflen, 1);
5295 		if (tmp < 0)
5296 			return -1;
5297 		buf += tmp;
5298 		buflen -= tmp;
5299 		result += tmp;
5300 	}
5301 	return result;
5302 }
5303 
5304 
5305 int wpa_config_get_value(const char *name, struct wpa_config *config,
5306 			 char *buf, size_t buflen)
5307 {
5308 	size_t i;
5309 
5310 	for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
5311 		const struct global_parse_data *field = &global_fields[i];
5312 
5313 		if (os_strcmp(name, field->name) != 0)
5314 			continue;
5315 		if (!field->get)
5316 			break;
5317 		return field->get(name, config, (long) field->param1,
5318 				  buf, buflen, 0);
5319 	}
5320 
5321 	return -1;
5322 }
5323 
5324 
5325 int wpa_config_get_num_global_field_names(void)
5326 {
5327 	return NUM_GLOBAL_FIELDS;
5328 }
5329 
5330 
5331 const char * wpa_config_get_global_field_name(unsigned int i, int *no_var)
5332 {
5333 	if (i >= NUM_GLOBAL_FIELDS)
5334 		return NULL;
5335 
5336 	if (no_var)
5337 		*no_var = !global_fields[i].param1;
5338 	return global_fields[i].name;
5339 }
5340 
5341 
5342 /**
5343  * wpa_config_process_global - Set a variable in global configuration
5344  * @config: Pointer to global configuration data
5345  * @pos: Name and value in the format "{name}={value}"
5346  * @line: Line number in configuration file or 0 if not used
5347  * Returns: 0 on success with a possible change in value, 1 on success with no
5348  * change to previously configured value, or -1 on failure
5349  *
5350  * This function can be used to set global configuration variables based on
5351  * both the configuration file and management interface input. The value
5352  * parameter must be in the same format as the text-based configuration file is
5353  * using. For example, strings are using double quotation marks.
5354  */
5355 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
5356 {
5357 	size_t i;
5358 	int ret = 0;
5359 
5360 	for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
5361 		const struct global_parse_data *field = &global_fields[i];
5362 		size_t flen = os_strlen(field->name);
5363 		if (os_strncmp(pos, field->name, flen) != 0 ||
5364 		    pos[flen] != '=')
5365 			continue;
5366 
5367 		ret = field->parser(field, config, line, pos + flen + 1);
5368 		if (ret < 0) {
5369 			wpa_printf(MSG_ERROR, "Line %d: failed to "
5370 				   "parse '%s'.", line, pos);
5371 			ret = -1;
5372 		}
5373 		if (ret == 1)
5374 			break;
5375 		if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN)
5376 			config->wps_nfc_pw_from_config = 1;
5377 		config->changed_parameters |= field->changed_flag;
5378 		break;
5379 	}
5380 	if (i == NUM_GLOBAL_FIELDS) {
5381 #ifdef CONFIG_AP
5382 		if (os_strncmp(pos, "tx_queue_", 9) == 0) {
5383 			char *tmp = os_strchr(pos, '=');
5384 
5385 			if (!tmp) {
5386 				if (line < 0)
5387 					wpa_printf(MSG_ERROR,
5388 						   "Line %d: invalid line %s",
5389 						   line, pos);
5390 				return -1;
5391 			}
5392 			*tmp++ = '\0';
5393 			if (hostapd_config_tx_queue(config->tx_queue, pos,
5394 						    tmp)) {
5395 				wpa_printf(MSG_ERROR,
5396 					   "Line %d: invalid TX queue item",
5397 					   line);
5398 				return -1;
5399 			}
5400 		}
5401 
5402 		if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
5403 			char *tmp = os_strchr(pos, '=');
5404 			if (tmp == NULL) {
5405 				if (line < 0)
5406 					return -1;
5407 				wpa_printf(MSG_ERROR, "Line %d: invalid line "
5408 					   "'%s'", line, pos);
5409 				return -1;
5410 			}
5411 			*tmp++ = '\0';
5412 			if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
5413 						  tmp)) {
5414 				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
5415 					   "AC item", line);
5416 				return -1;
5417 			}
5418 			return ret;
5419 		}
5420 #endif /* CONFIG_AP */
5421 		if (line < 0)
5422 			return -1;
5423 		wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",
5424 			   line, pos);
5425 		ret = -1;
5426 	}
5427 
5428 	return ret;
5429 }
5430