xref: /freebsd/contrib/wpa/hostapd/config_file.c (revision b1f9167f94059fd55c630891d359bcff987bd7eb)
1 /*
2  * hostapd / Configuration file parser
3  * Copyright (c) 2003-2012, 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 "utils/includes.h"
10 #ifndef CONFIG_NATIVE_WINDOWS
11 #include <grp.h>
12 #endif /* CONFIG_NATIVE_WINDOWS */
13 
14 #include "utils/common.h"
15 #include "utils/uuid.h"
16 #include "common/ieee802_11_defs.h"
17 #include "drivers/driver.h"
18 #include "eap_server/eap.h"
19 #include "radius/radius_client.h"
20 #include "ap/wpa_auth.h"
21 #include "ap/ap_config.h"
22 #include "config_file.h"
23 
24 
25 extern struct wpa_driver_ops *wpa_drivers[];
26 
27 
28 #ifndef CONFIG_NO_VLAN
29 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
30 					 const char *fname)
31 {
32 	FILE *f;
33 	char buf[128], *pos, *pos2;
34 	int line = 0, vlan_id;
35 	struct hostapd_vlan *vlan;
36 
37 	f = fopen(fname, "r");
38 	if (!f) {
39 		wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
40 		return -1;
41 	}
42 
43 	while (fgets(buf, sizeof(buf), f)) {
44 		line++;
45 
46 		if (buf[0] == '#')
47 			continue;
48 		pos = buf;
49 		while (*pos != '\0') {
50 			if (*pos == '\n') {
51 				*pos = '\0';
52 				break;
53 			}
54 			pos++;
55 		}
56 		if (buf[0] == '\0')
57 			continue;
58 
59 		if (buf[0] == '*') {
60 			vlan_id = VLAN_ID_WILDCARD;
61 			pos = buf + 1;
62 		} else {
63 			vlan_id = strtol(buf, &pos, 10);
64 			if (buf == pos || vlan_id < 1 ||
65 			    vlan_id > MAX_VLAN_ID) {
66 				wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
67 					   "line %d in '%s'", line, fname);
68 				fclose(f);
69 				return -1;
70 			}
71 		}
72 
73 		while (*pos == ' ' || *pos == '\t')
74 			pos++;
75 		pos2 = pos;
76 		while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
77 			pos2++;
78 		*pos2 = '\0';
79 		if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
80 			wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
81 				   "in '%s'", line, fname);
82 			fclose(f);
83 			return -1;
84 		}
85 
86 		vlan = os_malloc(sizeof(*vlan));
87 		if (vlan == NULL) {
88 			wpa_printf(MSG_ERROR, "Out of memory while reading "
89 				   "VLAN interfaces from '%s'", fname);
90 			fclose(f);
91 			return -1;
92 		}
93 
94 		os_memset(vlan, 0, sizeof(*vlan));
95 		vlan->vlan_id = vlan_id;
96 		os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
97 		if (bss->vlan_tail)
98 			bss->vlan_tail->next = vlan;
99 		else
100 			bss->vlan = vlan;
101 		bss->vlan_tail = vlan;
102 	}
103 
104 	fclose(f);
105 
106 	return 0;
107 }
108 #endif /* CONFIG_NO_VLAN */
109 
110 
111 static int hostapd_acl_comp(const void *a, const void *b)
112 {
113 	const struct mac_acl_entry *aa = a;
114 	const struct mac_acl_entry *bb = b;
115 	return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
116 }
117 
118 
119 static int hostapd_config_read_maclist(const char *fname,
120 				       struct mac_acl_entry **acl, int *num)
121 {
122 	FILE *f;
123 	char buf[128], *pos;
124 	int line = 0;
125 	u8 addr[ETH_ALEN];
126 	struct mac_acl_entry *newacl;
127 	int vlan_id;
128 
129 	if (!fname)
130 		return 0;
131 
132 	f = fopen(fname, "r");
133 	if (!f) {
134 		wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
135 		return -1;
136 	}
137 
138 	while (fgets(buf, sizeof(buf), f)) {
139 		line++;
140 
141 		if (buf[0] == '#')
142 			continue;
143 		pos = buf;
144 		while (*pos != '\0') {
145 			if (*pos == '\n') {
146 				*pos = '\0';
147 				break;
148 			}
149 			pos++;
150 		}
151 		if (buf[0] == '\0')
152 			continue;
153 
154 		if (hwaddr_aton(buf, addr)) {
155 			wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
156 				   "line %d in '%s'", buf, line, fname);
157 			fclose(f);
158 			return -1;
159 		}
160 
161 		vlan_id = 0;
162 		pos = buf;
163 		while (*pos != '\0' && *pos != ' ' && *pos != '\t')
164 			pos++;
165 		while (*pos == ' ' || *pos == '\t')
166 			pos++;
167 		if (*pos != '\0')
168 			vlan_id = atoi(pos);
169 
170 		newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
171 		if (newacl == NULL) {
172 			wpa_printf(MSG_ERROR, "MAC list reallocation failed");
173 			fclose(f);
174 			return -1;
175 		}
176 
177 		*acl = newacl;
178 		os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
179 		(*acl)[*num].vlan_id = vlan_id;
180 		(*num)++;
181 	}
182 
183 	fclose(f);
184 
185 	qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
186 
187 	return 0;
188 }
189 
190 
191 #ifdef EAP_SERVER
192 static int hostapd_config_read_eap_user(const char *fname,
193 					struct hostapd_bss_config *conf)
194 {
195 	FILE *f;
196 	char buf[512], *pos, *start, *pos2;
197 	int line = 0, ret = 0, num_methods;
198 	struct hostapd_eap_user *user, *tail = NULL;
199 
200 	if (!fname)
201 		return 0;
202 
203 	if (os_strncmp(fname, "sqlite:", 7) == 0) {
204 		os_free(conf->eap_user_sqlite);
205 		conf->eap_user_sqlite = os_strdup(fname + 7);
206 		return 0;
207 	}
208 
209 	f = fopen(fname, "r");
210 	if (!f) {
211 		wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
212 		return -1;
213 	}
214 
215 	/* Lines: "user" METHOD,METHOD2 "password" (password optional) */
216 	while (fgets(buf, sizeof(buf), f)) {
217 		line++;
218 
219 		if (buf[0] == '#')
220 			continue;
221 		pos = buf;
222 		while (*pos != '\0') {
223 			if (*pos == '\n') {
224 				*pos = '\0';
225 				break;
226 			}
227 			pos++;
228 		}
229 		if (buf[0] == '\0')
230 			continue;
231 
232 		user = NULL;
233 
234 		if (buf[0] != '"' && buf[0] != '*') {
235 			wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
236 				   "start) on line %d in '%s'", line, fname);
237 			goto failed;
238 		}
239 
240 		user = os_zalloc(sizeof(*user));
241 		if (user == NULL) {
242 			wpa_printf(MSG_ERROR, "EAP user allocation failed");
243 			goto failed;
244 		}
245 		user->force_version = -1;
246 
247 		if (buf[0] == '*') {
248 			pos = buf;
249 		} else {
250 			pos = buf + 1;
251 			start = pos;
252 			while (*pos != '"' && *pos != '\0')
253 				pos++;
254 			if (*pos == '\0') {
255 				wpa_printf(MSG_ERROR, "Invalid EAP identity "
256 					   "(no \" in end) on line %d in '%s'",
257 					   line, fname);
258 				goto failed;
259 			}
260 
261 			user->identity = os_malloc(pos - start);
262 			if (user->identity == NULL) {
263 				wpa_printf(MSG_ERROR, "Failed to allocate "
264 					   "memory for EAP identity");
265 				goto failed;
266 			}
267 			os_memcpy(user->identity, start, pos - start);
268 			user->identity_len = pos - start;
269 
270 			if (pos[0] == '"' && pos[1] == '*') {
271 				user->wildcard_prefix = 1;
272 				pos++;
273 			}
274 		}
275 		pos++;
276 		while (*pos == ' ' || *pos == '\t')
277 			pos++;
278 
279 		if (*pos == '\0') {
280 			wpa_printf(MSG_ERROR, "No EAP method on line %d in "
281 				   "'%s'", line, fname);
282 			goto failed;
283 		}
284 
285 		start = pos;
286 		while (*pos != ' ' && *pos != '\t' && *pos != '\0')
287 			pos++;
288 		if (*pos == '\0') {
289 			pos = NULL;
290 		} else {
291 			*pos = '\0';
292 			pos++;
293 		}
294 		num_methods = 0;
295 		while (*start) {
296 			char *pos3 = os_strchr(start, ',');
297 			if (pos3) {
298 				*pos3++ = '\0';
299 			}
300 			user->methods[num_methods].method =
301 				eap_server_get_type(
302 					start,
303 					&user->methods[num_methods].vendor);
304 			if (user->methods[num_methods].vendor ==
305 			    EAP_VENDOR_IETF &&
306 			    user->methods[num_methods].method == EAP_TYPE_NONE)
307 			{
308 				if (os_strcmp(start, "TTLS-PAP") == 0) {
309 					user->ttls_auth |= EAP_TTLS_AUTH_PAP;
310 					goto skip_eap;
311 				}
312 				if (os_strcmp(start, "TTLS-CHAP") == 0) {
313 					user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
314 					goto skip_eap;
315 				}
316 				if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
317 					user->ttls_auth |=
318 						EAP_TTLS_AUTH_MSCHAP;
319 					goto skip_eap;
320 				}
321 				if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
322 					user->ttls_auth |=
323 						EAP_TTLS_AUTH_MSCHAPV2;
324 					goto skip_eap;
325 				}
326 				wpa_printf(MSG_ERROR, "Unsupported EAP type "
327 					   "'%s' on line %d in '%s'",
328 					   start, line, fname);
329 				goto failed;
330 			}
331 
332 			num_methods++;
333 			if (num_methods >= EAP_MAX_METHODS)
334 				break;
335 		skip_eap:
336 			if (pos3 == NULL)
337 				break;
338 			start = pos3;
339 		}
340 		if (num_methods == 0 && user->ttls_auth == 0) {
341 			wpa_printf(MSG_ERROR, "No EAP types configured on "
342 				   "line %d in '%s'", line, fname);
343 			goto failed;
344 		}
345 
346 		if (pos == NULL)
347 			goto done;
348 
349 		while (*pos == ' ' || *pos == '\t')
350 			pos++;
351 		if (*pos == '\0')
352 			goto done;
353 
354 		if (os_strncmp(pos, "[ver=0]", 7) == 0) {
355 			user->force_version = 0;
356 			goto done;
357 		}
358 
359 		if (os_strncmp(pos, "[ver=1]", 7) == 0) {
360 			user->force_version = 1;
361 			goto done;
362 		}
363 
364 		if (os_strncmp(pos, "[2]", 3) == 0) {
365 			user->phase2 = 1;
366 			goto done;
367 		}
368 
369 		if (*pos == '"') {
370 			pos++;
371 			start = pos;
372 			while (*pos != '"' && *pos != '\0')
373 				pos++;
374 			if (*pos == '\0') {
375 				wpa_printf(MSG_ERROR, "Invalid EAP password "
376 					   "(no \" in end) on line %d in '%s'",
377 					   line, fname);
378 				goto failed;
379 			}
380 
381 			user->password = os_malloc(pos - start);
382 			if (user->password == NULL) {
383 				wpa_printf(MSG_ERROR, "Failed to allocate "
384 					   "memory for EAP password");
385 				goto failed;
386 			}
387 			os_memcpy(user->password, start, pos - start);
388 			user->password_len = pos - start;
389 
390 			pos++;
391 		} else if (os_strncmp(pos, "hash:", 5) == 0) {
392 			pos += 5;
393 			pos2 = pos;
394 			while (*pos2 != '\0' && *pos2 != ' ' &&
395 			       *pos2 != '\t' && *pos2 != '#')
396 				pos2++;
397 			if (pos2 - pos != 32) {
398 				wpa_printf(MSG_ERROR, "Invalid password hash "
399 					   "on line %d in '%s'", line, fname);
400 				goto failed;
401 			}
402 			user->password = os_malloc(16);
403 			if (user->password == NULL) {
404 				wpa_printf(MSG_ERROR, "Failed to allocate "
405 					   "memory for EAP password hash");
406 				goto failed;
407 			}
408 			if (hexstr2bin(pos, user->password, 16) < 0) {
409 				wpa_printf(MSG_ERROR, "Invalid hash password "
410 					   "on line %d in '%s'", line, fname);
411 				goto failed;
412 			}
413 			user->password_len = 16;
414 			user->password_hash = 1;
415 			pos = pos2;
416 		} else {
417 			pos2 = pos;
418 			while (*pos2 != '\0' && *pos2 != ' ' &&
419 			       *pos2 != '\t' && *pos2 != '#')
420 				pos2++;
421 			if ((pos2 - pos) & 1) {
422 				wpa_printf(MSG_ERROR, "Invalid hex password "
423 					   "on line %d in '%s'", line, fname);
424 				goto failed;
425 			}
426 			user->password = os_malloc((pos2 - pos) / 2);
427 			if (user->password == NULL) {
428 				wpa_printf(MSG_ERROR, "Failed to allocate "
429 					   "memory for EAP password");
430 				goto failed;
431 			}
432 			if (hexstr2bin(pos, user->password,
433 				       (pos2 - pos) / 2) < 0) {
434 				wpa_printf(MSG_ERROR, "Invalid hex password "
435 					   "on line %d in '%s'", line, fname);
436 				goto failed;
437 			}
438 			user->password_len = (pos2 - pos) / 2;
439 			pos = pos2;
440 		}
441 
442 		while (*pos == ' ' || *pos == '\t')
443 			pos++;
444 		if (os_strncmp(pos, "[2]", 3) == 0) {
445 			user->phase2 = 1;
446 		}
447 
448 	done:
449 		if (tail == NULL) {
450 			tail = conf->eap_user = user;
451 		} else {
452 			tail->next = user;
453 			tail = user;
454 		}
455 		continue;
456 
457 	failed:
458 		if (user) {
459 			os_free(user->password);
460 			os_free(user->identity);
461 			os_free(user);
462 		}
463 		ret = -1;
464 		break;
465 	}
466 
467 	fclose(f);
468 
469 	return ret;
470 }
471 #endif /* EAP_SERVER */
472 
473 
474 #ifndef CONFIG_NO_RADIUS
475 static int
476 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
477 				int *num_server, const char *val, int def_port,
478 				struct hostapd_radius_server **curr_serv)
479 {
480 	struct hostapd_radius_server *nserv;
481 	int ret;
482 	static int server_index = 1;
483 
484 	nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
485 	if (nserv == NULL)
486 		return -1;
487 
488 	*server = nserv;
489 	nserv = &nserv[*num_server];
490 	(*num_server)++;
491 	(*curr_serv) = nserv;
492 
493 	os_memset(nserv, 0, sizeof(*nserv));
494 	nserv->port = def_port;
495 	ret = hostapd_parse_ip_addr(val, &nserv->addr);
496 	nserv->index = server_index++;
497 
498 	return ret;
499 }
500 
501 
502 static struct hostapd_radius_attr *
503 hostapd_parse_radius_attr(const char *value)
504 {
505 	const char *pos;
506 	char syntax;
507 	struct hostapd_radius_attr *attr;
508 	size_t len;
509 
510 	attr = os_zalloc(sizeof(*attr));
511 	if (attr == NULL)
512 		return NULL;
513 
514 	attr->type = atoi(value);
515 
516 	pos = os_strchr(value, ':');
517 	if (pos == NULL) {
518 		attr->val = wpabuf_alloc(1);
519 		if (attr->val == NULL) {
520 			os_free(attr);
521 			return NULL;
522 		}
523 		wpabuf_put_u8(attr->val, 0);
524 		return attr;
525 	}
526 
527 	pos++;
528 	if (pos[0] == '\0' || pos[1] != ':') {
529 		os_free(attr);
530 		return NULL;
531 	}
532 	syntax = *pos++;
533 	pos++;
534 
535 	switch (syntax) {
536 	case 's':
537 		attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
538 		break;
539 	case 'x':
540 		len = os_strlen(pos);
541 		if (len & 1)
542 			break;
543 		len /= 2;
544 		attr->val = wpabuf_alloc(len);
545 		if (attr->val == NULL)
546 			break;
547 		if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
548 			wpabuf_free(attr->val);
549 			os_free(attr);
550 			return NULL;
551 		}
552 		break;
553 	case 'd':
554 		attr->val = wpabuf_alloc(4);
555 		if (attr->val)
556 			wpabuf_put_be32(attr->val, atoi(pos));
557 		break;
558 	default:
559 		os_free(attr);
560 		return NULL;
561 	}
562 
563 	if (attr->val == NULL) {
564 		os_free(attr);
565 		return NULL;
566 	}
567 
568 	return attr;
569 }
570 
571 
572 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
573 				    const char *val)
574 {
575 	char *secret;
576 
577 	secret = os_strchr(val, ' ');
578 	if (secret == NULL)
579 		return -1;
580 
581 	secret++;
582 
583 	if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
584 		return -1;
585 
586 	os_free(bss->radius_das_shared_secret);
587 	bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
588 	if (bss->radius_das_shared_secret == NULL)
589 		return -1;
590 	bss->radius_das_shared_secret_len = os_strlen(secret);
591 
592 	return 0;
593 }
594 #endif /* CONFIG_NO_RADIUS */
595 
596 
597 static int hostapd_config_parse_key_mgmt(int line, const char *value)
598 {
599 	int val = 0, last;
600 	char *start, *end, *buf;
601 
602 	buf = os_strdup(value);
603 	if (buf == NULL)
604 		return -1;
605 	start = buf;
606 
607 	while (*start != '\0') {
608 		while (*start == ' ' || *start == '\t')
609 			start++;
610 		if (*start == '\0')
611 			break;
612 		end = start;
613 		while (*end != ' ' && *end != '\t' && *end != '\0')
614 			end++;
615 		last = *end == '\0';
616 		*end = '\0';
617 		if (os_strcmp(start, "WPA-PSK") == 0)
618 			val |= WPA_KEY_MGMT_PSK;
619 		else if (os_strcmp(start, "WPA-EAP") == 0)
620 			val |= WPA_KEY_MGMT_IEEE8021X;
621 #ifdef CONFIG_IEEE80211R
622 		else if (os_strcmp(start, "FT-PSK") == 0)
623 			val |= WPA_KEY_MGMT_FT_PSK;
624 		else if (os_strcmp(start, "FT-EAP") == 0)
625 			val |= WPA_KEY_MGMT_FT_IEEE8021X;
626 #endif /* CONFIG_IEEE80211R */
627 #ifdef CONFIG_IEEE80211W
628 		else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
629 			val |= WPA_KEY_MGMT_PSK_SHA256;
630 		else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
631 			val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
632 #endif /* CONFIG_IEEE80211W */
633 #ifdef CONFIG_SAE
634 		else if (os_strcmp(start, "SAE") == 0)
635 			val |= WPA_KEY_MGMT_SAE;
636 		else if (os_strcmp(start, "FT-SAE") == 0)
637 			val |= WPA_KEY_MGMT_FT_SAE;
638 #endif /* CONFIG_SAE */
639 		else {
640 			wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
641 				   line, start);
642 			os_free(buf);
643 			return -1;
644 		}
645 
646 		if (last)
647 			break;
648 		start = end + 1;
649 	}
650 
651 	os_free(buf);
652 	if (val == 0) {
653 		wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
654 			   "configured.", line);
655 		return -1;
656 	}
657 
658 	return val;
659 }
660 
661 
662 static int hostapd_config_parse_cipher(int line, const char *value)
663 {
664 	int val = 0, last;
665 	char *start, *end, *buf;
666 
667 	buf = os_strdup(value);
668 	if (buf == NULL)
669 		return -1;
670 	start = buf;
671 
672 	while (*start != '\0') {
673 		while (*start == ' ' || *start == '\t')
674 			start++;
675 		if (*start == '\0')
676 			break;
677 		end = start;
678 		while (*end != ' ' && *end != '\t' && *end != '\0')
679 			end++;
680 		last = *end == '\0';
681 		*end = '\0';
682 		if (os_strcmp(start, "CCMP") == 0)
683 			val |= WPA_CIPHER_CCMP;
684 		else if (os_strcmp(start, "GCMP") == 0)
685 			val |= WPA_CIPHER_GCMP;
686 		else if (os_strcmp(start, "TKIP") == 0)
687 			val |= WPA_CIPHER_TKIP;
688 		else if (os_strcmp(start, "WEP104") == 0)
689 			val |= WPA_CIPHER_WEP104;
690 		else if (os_strcmp(start, "WEP40") == 0)
691 			val |= WPA_CIPHER_WEP40;
692 		else if (os_strcmp(start, "NONE") == 0)
693 			val |= WPA_CIPHER_NONE;
694 		else {
695 			wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
696 				   line, start);
697 			os_free(buf);
698 			return -1;
699 		}
700 
701 		if (last)
702 			break;
703 		start = end + 1;
704 	}
705 	os_free(buf);
706 
707 	if (val == 0) {
708 		wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
709 			   line);
710 		return -1;
711 	}
712 	return val;
713 }
714 
715 
716 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
717 				   char *val)
718 {
719 	size_t len = os_strlen(val);
720 
721 	if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
722 		return -1;
723 
724 	if (val[0] == '"') {
725 		if (len < 2 || val[len - 1] != '"')
726 			return -1;
727 		len -= 2;
728 		wep->key[keyidx] = os_malloc(len);
729 		if (wep->key[keyidx] == NULL)
730 			return -1;
731 		os_memcpy(wep->key[keyidx], val + 1, len);
732 		wep->len[keyidx] = len;
733 	} else {
734 		if (len & 1)
735 			return -1;
736 		len /= 2;
737 		wep->key[keyidx] = os_malloc(len);
738 		if (wep->key[keyidx] == NULL)
739 			return -1;
740 		wep->len[keyidx] = len;
741 		if (hexstr2bin(val, wep->key[keyidx], len) < 0)
742 			return -1;
743 	}
744 
745 	wep->keys_set++;
746 
747 	return 0;
748 }
749 
750 
751 static int hostapd_parse_rates(int **rate_list, char *val)
752 {
753 	int *list;
754 	int count;
755 	char *pos, *end;
756 
757 	os_free(*rate_list);
758 	*rate_list = NULL;
759 
760 	pos = val;
761 	count = 0;
762 	while (*pos != '\0') {
763 		if (*pos == ' ')
764 			count++;
765 		pos++;
766 	}
767 
768 	list = os_malloc(sizeof(int) * (count + 2));
769 	if (list == NULL)
770 		return -1;
771 	pos = val;
772 	count = 0;
773 	while (*pos != '\0') {
774 		end = os_strchr(pos, ' ');
775 		if (end)
776 			*end = '\0';
777 
778 		list[count++] = atoi(pos);
779 		if (!end)
780 			break;
781 		pos = end + 1;
782 	}
783 	list[count] = -1;
784 
785 	*rate_list = list;
786 	return 0;
787 }
788 
789 
790 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
791 {
792 	struct hostapd_bss_config *bss;
793 
794 	if (*ifname == '\0')
795 		return -1;
796 
797 	bss = os_realloc_array(conf->bss, conf->num_bss + 1,
798 			       sizeof(struct hostapd_bss_config));
799 	if (bss == NULL) {
800 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
801 			   "multi-BSS entry");
802 		return -1;
803 	}
804 	conf->bss = bss;
805 
806 	bss = &(conf->bss[conf->num_bss]);
807 	os_memset(bss, 0, sizeof(*bss));
808 	bss->radius = os_zalloc(sizeof(*bss->radius));
809 	if (bss->radius == NULL) {
810 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
811 			   "multi-BSS RADIUS data");
812 		return -1;
813 	}
814 
815 	conf->num_bss++;
816 	conf->last_bss = bss;
817 
818 	hostapd_config_defaults_bss(bss);
819 	os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
820 	os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
821 
822 	return 0;
823 }
824 
825 
826 /* convert floats with one decimal place to value*10 int, i.e.,
827  * "1.5" will return 15 */
828 static int hostapd_config_read_int10(const char *value)
829 {
830 	int i, d;
831 	char *pos;
832 
833 	i = atoi(value);
834 	pos = os_strchr(value, '.');
835 	d = 0;
836 	if (pos) {
837 		pos++;
838 		if (*pos >= '0' && *pos <= '9')
839 			d = *pos - '0';
840 	}
841 
842 	return i * 10 + d;
843 }
844 
845 
846 static int valid_cw(int cw)
847 {
848 	return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
849 		cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
850 }
851 
852 
853 enum {
854 	IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
855 	IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
856 	IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
857 	IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
858 };
859 
860 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
861 				   char *val)
862 {
863 	int num;
864 	char *pos;
865 	struct hostapd_tx_queue_params *queue;
866 
867 	/* skip 'tx_queue_' prefix */
868 	pos = name + 9;
869 	if (os_strncmp(pos, "data", 4) == 0 &&
870 	    pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
871 		num = pos[4] - '0';
872 		pos += 6;
873 	} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
874 		   os_strncmp(pos, "beacon_", 7) == 0) {
875 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
876 		return 0;
877 	} else {
878 		wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
879 		return -1;
880 	}
881 
882 	if (num >= NUM_TX_QUEUES) {
883 		/* for backwards compatibility, do not trigger failure */
884 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
885 		return 0;
886 	}
887 
888 	queue = &conf->tx_queue[num];
889 
890 	if (os_strcmp(pos, "aifs") == 0) {
891 		queue->aifs = atoi(val);
892 		if (queue->aifs < 0 || queue->aifs > 255) {
893 			wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
894 				   queue->aifs);
895 			return -1;
896 		}
897 	} else if (os_strcmp(pos, "cwmin") == 0) {
898 		queue->cwmin = atoi(val);
899 		if (!valid_cw(queue->cwmin)) {
900 			wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
901 				   queue->cwmin);
902 			return -1;
903 		}
904 	} else if (os_strcmp(pos, "cwmax") == 0) {
905 		queue->cwmax = atoi(val);
906 		if (!valid_cw(queue->cwmax)) {
907 			wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
908 				   queue->cwmax);
909 			return -1;
910 		}
911 	} else if (os_strcmp(pos, "burst") == 0) {
912 		queue->burst = hostapd_config_read_int10(val);
913 	} else {
914 		wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
915 		return -1;
916 	}
917 
918 	return 0;
919 }
920 
921 
922 #ifdef CONFIG_IEEE80211R
923 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
924 {
925 	struct ft_remote_r0kh *r0kh;
926 	char *pos, *next;
927 
928 	r0kh = os_zalloc(sizeof(*r0kh));
929 	if (r0kh == NULL)
930 		return -1;
931 
932 	/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
933 	pos = value;
934 	next = os_strchr(pos, ' ');
935 	if (next)
936 		*next++ = '\0';
937 	if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
938 		wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
939 		os_free(r0kh);
940 		return -1;
941 	}
942 
943 	pos = next;
944 	next = os_strchr(pos, ' ');
945 	if (next)
946 		*next++ = '\0';
947 	if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
948 		wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
949 		os_free(r0kh);
950 		return -1;
951 	}
952 	r0kh->id_len = next - pos - 1;
953 	os_memcpy(r0kh->id, pos, r0kh->id_len);
954 
955 	pos = next;
956 	if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
957 		wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
958 		os_free(r0kh);
959 		return -1;
960 	}
961 
962 	r0kh->next = bss->r0kh_list;
963 	bss->r0kh_list = r0kh;
964 
965 	return 0;
966 }
967 
968 
969 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
970 {
971 	struct ft_remote_r1kh *r1kh;
972 	char *pos, *next;
973 
974 	r1kh = os_zalloc(sizeof(*r1kh));
975 	if (r1kh == NULL)
976 		return -1;
977 
978 	/* 02:01:02:03:04:05 02:01:02:03:04:05
979 	 * 000102030405060708090a0b0c0d0e0f */
980 	pos = value;
981 	next = os_strchr(pos, ' ');
982 	if (next)
983 		*next++ = '\0';
984 	if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
985 		wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
986 		os_free(r1kh);
987 		return -1;
988 	}
989 
990 	pos = next;
991 	next = os_strchr(pos, ' ');
992 	if (next)
993 		*next++ = '\0';
994 	if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
995 		wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
996 		os_free(r1kh);
997 		return -1;
998 	}
999 
1000 	pos = next;
1001 	if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1002 		wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
1003 		os_free(r1kh);
1004 		return -1;
1005 	}
1006 
1007 	r1kh->next = bss->r1kh_list;
1008 	bss->r1kh_list = r1kh;
1009 
1010 	return 0;
1011 }
1012 #endif /* CONFIG_IEEE80211R */
1013 
1014 
1015 #ifdef CONFIG_IEEE80211N
1016 static int hostapd_config_ht_capab(struct hostapd_config *conf,
1017 				   const char *capab)
1018 {
1019 	if (os_strstr(capab, "[LDPC]"))
1020 		conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
1021 	if (os_strstr(capab, "[HT40-]")) {
1022 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1023 		conf->secondary_channel = -1;
1024 	}
1025 	if (os_strstr(capab, "[HT40+]")) {
1026 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1027 		conf->secondary_channel = 1;
1028 	}
1029 	if (os_strstr(capab, "[SMPS-STATIC]")) {
1030 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1031 		conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1032 	}
1033 	if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1034 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1035 		conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1036 	}
1037 	if (os_strstr(capab, "[GF]"))
1038 		conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1039 	if (os_strstr(capab, "[SHORT-GI-20]"))
1040 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1041 	if (os_strstr(capab, "[SHORT-GI-40]"))
1042 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1043 	if (os_strstr(capab, "[TX-STBC]"))
1044 		conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1045 	if (os_strstr(capab, "[RX-STBC1]")) {
1046 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1047 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1048 	}
1049 	if (os_strstr(capab, "[RX-STBC12]")) {
1050 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1051 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1052 	}
1053 	if (os_strstr(capab, "[RX-STBC123]")) {
1054 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1055 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1056 	}
1057 	if (os_strstr(capab, "[DELAYED-BA]"))
1058 		conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1059 	if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1060 		conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1061 	if (os_strstr(capab, "[DSSS_CCK-40]"))
1062 		conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1063 	if (os_strstr(capab, "[PSMP]"))
1064 		conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1065 	if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1066 		conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1067 
1068 	return 0;
1069 }
1070 #endif /* CONFIG_IEEE80211N */
1071 
1072 
1073 #ifdef CONFIG_IEEE80211AC
1074 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1075 				    const char *capab)
1076 {
1077 	if (os_strstr(capab, "[MAX-MPDU-7991]"))
1078 		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1079 	if (os_strstr(capab, "[MAX-MPDU-11454]"))
1080 		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1081 	if (os_strstr(capab, "[VHT160]"))
1082 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1083 	if (os_strstr(capab, "[VHT160-80PLUS80]"))
1084 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1085 	if (os_strstr(capab, "[VHT160-80PLUS80]"))
1086 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1087 	if (os_strstr(capab, "[RXLDPC]"))
1088 		conf->vht_capab |= VHT_CAP_RXLDPC;
1089 	if (os_strstr(capab, "[SHORT-GI-80]"))
1090 		conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1091 	if (os_strstr(capab, "[SHORT-GI-160]"))
1092 		conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1093 	if (os_strstr(capab, "[TX-STBC-2BY1]"))
1094 		conf->vht_capab |= VHT_CAP_TXSTBC;
1095 	if (os_strstr(capab, "[RX-STBC-1]"))
1096 		conf->vht_capab |= VHT_CAP_RXSTBC_1;
1097 	if (os_strstr(capab, "[RX-STBC-12]"))
1098 		conf->vht_capab |= VHT_CAP_RXSTBC_2;
1099 	if (os_strstr(capab, "[RX-STBC-123]"))
1100 		conf->vht_capab |= VHT_CAP_RXSTBC_3;
1101 	if (os_strstr(capab, "[RX-STBC-1234]"))
1102 		conf->vht_capab |= VHT_CAP_RXSTBC_4;
1103 	if (os_strstr(capab, "[SU-BEAMFORMER]"))
1104 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1105 	if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1106 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1107 	if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1108 	    (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
1109 		conf->vht_capab |= VHT_CAP_BEAMFORMER_ANTENNAS_MAX;
1110 	if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1111 	    (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
1112 		conf->vht_capab |= VHT_CAP_SOUNDING_DIMENTION_MAX;
1113 	if (os_strstr(capab, "[MU-BEAMFORMER]"))
1114 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1115 	if (os_strstr(capab, "[MU-BEAMFORMEE]"))
1116 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1117 	if (os_strstr(capab, "[VHT-TXOP-PS]"))
1118 		conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1119 	if (os_strstr(capab, "[HTC-VHT]"))
1120 		conf->vht_capab |= VHT_CAP_HTC_VHT;
1121 	if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP0]"))
1122 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT;
1123 	if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1124 	    (conf->vht_capab & VHT_CAP_HTC_VHT))
1125 		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1126 	if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1127 	    (conf->vht_capab & VHT_CAP_HTC_VHT))
1128 		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1129 	if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1130 		conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1131 	if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1132 		conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1133 	return 0;
1134 }
1135 #endif /* CONFIG_IEEE80211AC */
1136 
1137 
1138 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1139 				    struct hostapd_config *conf)
1140 {
1141 	if (bss->ieee802_1x && !bss->eap_server &&
1142 	    !bss->radius->auth_servers) {
1143 		wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1144 			   "EAP authenticator configured).");
1145 		return -1;
1146 	}
1147 
1148 	if (bss->wpa && bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
1149 	    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1150 		wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
1151 			   "RADIUS checking (macaddr_acl=2) enabled.");
1152 		return -1;
1153 	}
1154 
1155 	if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1156 	    bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1157 	    bss->ssid.wpa_psk_file == NULL &&
1158 	    (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
1159 	     bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
1160 		wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1161 			   "is not configured.");
1162 		return -1;
1163 	}
1164 
1165 	if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1166 		size_t i;
1167 
1168 		for (i = 0; i < conf->num_bss; i++) {
1169 			if ((&conf->bss[i] != bss) &&
1170 			    (hostapd_mac_comp(conf->bss[i].bssid,
1171 					      bss->bssid) == 0)) {
1172 				wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1173 					   " on interface '%s' and '%s'.",
1174 					   MAC2STR(bss->bssid),
1175 					   conf->bss[i].iface, bss->iface);
1176 				return -1;
1177 			}
1178 		}
1179 	}
1180 
1181 #ifdef CONFIG_IEEE80211R
1182 	if (wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
1183 	    (bss->nas_identifier == NULL ||
1184 	     os_strlen(bss->nas_identifier) < 1 ||
1185 	     os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1186 		wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1187 			   "nas_identifier to be configured as a 1..48 octet "
1188 			   "string");
1189 		return -1;
1190 	}
1191 #endif /* CONFIG_IEEE80211R */
1192 
1193 #ifdef CONFIG_IEEE80211N
1194 	if (conf->ieee80211n && conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
1195 		bss->disable_11n = 1;
1196 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
1197 			   "allowed, disabling HT capabilites");
1198 	}
1199 
1200 	if (conf->ieee80211n &&
1201 	    bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1202 		bss->disable_11n = 1;
1203 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
1204 			   "allowed, disabling HT capabilities");
1205 	}
1206 
1207 	if (conf->ieee80211n && bss->wpa &&
1208 	    !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1209 	    !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP))) {
1210 		bss->disable_11n = 1;
1211 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1212 			   "requires CCMP/GCMP to be enabled, disabling HT "
1213 			   "capabilities");
1214 	}
1215 #endif /* CONFIG_IEEE80211N */
1216 
1217 #ifdef CONFIG_WPS2
1218 	if (bss->wps_state && bss->ignore_broadcast_ssid) {
1219 		wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
1220 			   "configuration forced WPS to be disabled");
1221 		bss->wps_state = 0;
1222 	}
1223 
1224 	if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
1225 		wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
1226 			   "disabled");
1227 		bss->wps_state = 0;
1228 	}
1229 
1230 	if (bss->wps_state && bss->wpa &&
1231 	    (!(bss->wpa & 2) ||
1232 	     !(bss->rsn_pairwise & WPA_CIPHER_CCMP))) {
1233 		wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without "
1234 			   "WPA2/CCMP forced WPS to be disabled");
1235 		bss->wps_state = 0;
1236 	}
1237 #endif /* CONFIG_WPS2 */
1238 
1239 #ifdef CONFIG_HS20
1240 	if (bss->hs20 &&
1241 	    (!(bss->wpa & 2) ||
1242 	     !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)))) {
1243 		wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP "
1244 			   "configuration is required for Hotspot 2.0 "
1245 			   "functionality");
1246 		return -1;
1247 	}
1248 #endif /* CONFIG_HS20 */
1249 
1250 	return 0;
1251 }
1252 
1253 
1254 static int hostapd_config_check(struct hostapd_config *conf)
1255 {
1256 	size_t i;
1257 
1258 	if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1259 		wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1260 			   "setting the country_code");
1261 		return -1;
1262 	}
1263 
1264 	for (i = 0; i < conf->num_bss; i++) {
1265 		if (hostapd_config_check_bss(&conf->bss[i], conf))
1266 			return -1;
1267 	}
1268 
1269 	return 0;
1270 }
1271 
1272 
1273 #ifdef CONFIG_INTERWORKING
1274 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1275 				    int line)
1276 {
1277 	size_t len = os_strlen(pos);
1278 	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1279 
1280 	struct hostapd_roaming_consortium *rc;
1281 
1282 	if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1283 	    hexstr2bin(pos, oi, len / 2)) {
1284 		wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1285 			   "'%s'", line, pos);
1286 		return -1;
1287 	}
1288 	len /= 2;
1289 
1290 	rc = os_realloc_array(bss->roaming_consortium,
1291 			      bss->roaming_consortium_count + 1,
1292 			      sizeof(struct hostapd_roaming_consortium));
1293 	if (rc == NULL)
1294 		return -1;
1295 
1296 	os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1297 	rc[bss->roaming_consortium_count].len = len;
1298 
1299 	bss->roaming_consortium = rc;
1300 	bss->roaming_consortium_count++;
1301 
1302 	return 0;
1303 }
1304 
1305 
1306 static int parse_lang_string(struct hostapd_lang_string **array,
1307 			     unsigned int *count, char *pos)
1308 {
1309 	char *sep;
1310 	size_t clen, nlen;
1311 	struct hostapd_lang_string *ls;
1312 
1313 	sep = os_strchr(pos, ':');
1314 	if (sep == NULL)
1315 		return -1;
1316 	*sep++ = '\0';
1317 
1318 	clen = os_strlen(pos);
1319 	if (clen < 2)
1320 		return -1;
1321 	nlen = os_strlen(sep);
1322 	if (nlen > 252)
1323 		return -1;
1324 
1325 	ls = os_realloc_array(*array, *count + 1,
1326 			      sizeof(struct hostapd_lang_string));
1327 	if (ls == NULL)
1328 		return -1;
1329 
1330 	*array = ls;
1331 	ls = &(*array)[*count];
1332 	(*count)++;
1333 
1334 	os_memset(ls->lang, 0, sizeof(ls->lang));
1335 	os_memcpy(ls->lang, pos, clen);
1336 	ls->name_len = nlen;
1337 	os_memcpy(ls->name, sep, nlen);
1338 
1339 	return 0;
1340 }
1341 
1342 
1343 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1344 			    int line)
1345 {
1346 	if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1347 		wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1348 			   line, pos);
1349 		return -1;
1350 	}
1351 	return 0;
1352 }
1353 
1354 
1355 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1356 			       int line)
1357 {
1358 	size_t count;
1359 	char *pos;
1360 	u8 *info = NULL, *ipos;
1361 
1362 	/* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1363 
1364 	count = 1;
1365 	for (pos = buf; *pos; pos++) {
1366 		if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
1367 			goto fail;
1368 		if (*pos == ';')
1369 			count++;
1370 	}
1371 	if (1 + count * 3 > 0x7f)
1372 		goto fail;
1373 
1374 	info = os_zalloc(2 + 3 + count * 3);
1375 	if (info == NULL)
1376 		return -1;
1377 
1378 	ipos = info;
1379 	*ipos++ = 0; /* GUD - Version 1 */
1380 	*ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1381 	*ipos++ = 0; /* PLMN List IEI */
1382 	/* ext(b8) | Length of PLMN List value contents(b7..1) */
1383 	*ipos++ = 1 + count * 3;
1384 	*ipos++ = count; /* Number of PLMNs */
1385 
1386 	pos = buf;
1387 	while (pos && *pos) {
1388 		char *mcc, *mnc;
1389 		size_t mnc_len;
1390 
1391 		mcc = pos;
1392 		mnc = os_strchr(pos, ',');
1393 		if (mnc == NULL)
1394 			goto fail;
1395 		*mnc++ = '\0';
1396 		pos = os_strchr(mnc, ';');
1397 		if (pos)
1398 			*pos++ = '\0';
1399 
1400 		mnc_len = os_strlen(mnc);
1401 		if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1402 			goto fail;
1403 
1404 		/* BC coded MCC,MNC */
1405 		/* MCC digit 2 | MCC digit 1 */
1406 		*ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1407 		/* MNC digit 3 | MCC digit 3 */
1408 		*ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1409 			(mcc[2] - '0');
1410 		/* MNC digit 2 | MNC digit 1 */
1411 		*ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1412 	}
1413 
1414 	os_free(bss->anqp_3gpp_cell_net);
1415 	bss->anqp_3gpp_cell_net = info;
1416 	bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1417 	wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1418 		    bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1419 
1420 	return 0;
1421 
1422 fail:
1423 	wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1424 		   line, buf);
1425 	os_free(info);
1426 	return -1;
1427 }
1428 
1429 
1430 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1431 {
1432 	struct hostapd_nai_realm_data *realm;
1433 	size_t i, j, len;
1434 	int *offsets;
1435 	char *pos, *end, *rpos;
1436 
1437 	offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1438 			    sizeof(int));
1439 	if (offsets == NULL)
1440 		return -1;
1441 
1442 	for (i = 0; i < bss->nai_realm_count; i++) {
1443 		realm = &bss->nai_realm_data[i];
1444 		for (j = 0; j < MAX_NAI_REALMS; j++) {
1445 			offsets[i * MAX_NAI_REALMS + j] =
1446 				realm->realm[j] ?
1447 				realm->realm[j] - realm->realm_buf : -1;
1448 		}
1449 	}
1450 
1451 	realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1452 				 sizeof(struct hostapd_nai_realm_data));
1453 	if (realm == NULL) {
1454 		os_free(offsets);
1455 		return -1;
1456 	}
1457 	bss->nai_realm_data = realm;
1458 
1459 	/* patch the pointers after realloc */
1460 	for (i = 0; i < bss->nai_realm_count; i++) {
1461 		realm = &bss->nai_realm_data[i];
1462 		for (j = 0; j < MAX_NAI_REALMS; j++) {
1463 			int offs = offsets[i * MAX_NAI_REALMS + j];
1464 			if (offs >= 0)
1465 				realm->realm[j] = realm->realm_buf + offs;
1466 			else
1467 				realm->realm[j] = NULL;
1468 		}
1469 	}
1470 	os_free(offsets);
1471 
1472 	realm = &bss->nai_realm_data[bss->nai_realm_count];
1473 	os_memset(realm, 0, sizeof(*realm));
1474 
1475 	pos = buf;
1476 	realm->encoding = atoi(pos);
1477 	pos = os_strchr(pos, ',');
1478 	if (pos == NULL)
1479 		goto fail;
1480 	pos++;
1481 
1482 	end = os_strchr(pos, ',');
1483 	if (end) {
1484 		len = end - pos;
1485 		*end = '\0';
1486 	} else {
1487 		len = os_strlen(pos);
1488 	}
1489 
1490 	if (len > MAX_NAI_REALMLEN) {
1491 		wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1492 			   "characters)", (int) len, MAX_NAI_REALMLEN);
1493 		goto fail;
1494 	}
1495 	os_memcpy(realm->realm_buf, pos, len);
1496 
1497 	if (end)
1498 		pos = end + 1;
1499 	else
1500 		pos = NULL;
1501 
1502 	while (pos && *pos) {
1503 		struct hostapd_nai_realm_eap *eap;
1504 
1505 		if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1506 			wpa_printf(MSG_ERROR, "Too many EAP methods");
1507 			goto fail;
1508 		}
1509 
1510 		eap = &realm->eap_method[realm->eap_method_count];
1511 		realm->eap_method_count++;
1512 
1513 		end = os_strchr(pos, ',');
1514 		if (end == NULL)
1515 			end = pos + os_strlen(pos);
1516 
1517 		eap->eap_method = atoi(pos);
1518 		for (;;) {
1519 			pos = os_strchr(pos, '[');
1520 			if (pos == NULL || pos > end)
1521 				break;
1522 			pos++;
1523 			if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1524 				wpa_printf(MSG_ERROR, "Too many auth params");
1525 				goto fail;
1526 			}
1527 			eap->auth_id[eap->num_auths] = atoi(pos);
1528 			pos = os_strchr(pos, ':');
1529 			if (pos == NULL || pos > end)
1530 				goto fail;
1531 			pos++;
1532 			eap->auth_val[eap->num_auths] = atoi(pos);
1533 			pos = os_strchr(pos, ']');
1534 			if (pos == NULL || pos > end)
1535 				goto fail;
1536 			pos++;
1537 			eap->num_auths++;
1538 		}
1539 
1540 		if (*end != ',')
1541 			break;
1542 
1543 		pos = end + 1;
1544 	}
1545 
1546 	/* Split realm list into null terminated realms */
1547 	rpos = realm->realm_buf;
1548 	i = 0;
1549 	while (*rpos) {
1550 		if (i >= MAX_NAI_REALMS) {
1551 			wpa_printf(MSG_ERROR, "Too many realms");
1552 			goto fail;
1553 		}
1554 		realm->realm[i++] = rpos;
1555 		rpos = os_strchr(rpos, ';');
1556 		if (rpos == NULL)
1557 			break;
1558 		*rpos++ = '\0';
1559 	}
1560 
1561 	bss->nai_realm_count++;
1562 
1563 	return 0;
1564 
1565 fail:
1566 	wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1567 	return -1;
1568 }
1569 
1570 #endif /* CONFIG_INTERWORKING */
1571 
1572 
1573 #ifdef CONFIG_HS20
1574 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1575 				 int line)
1576 {
1577 	u8 *conn_cap;
1578 	char *pos;
1579 
1580 	if (bss->hs20_connection_capability_len >= 0xfff0)
1581 		return -1;
1582 
1583 	conn_cap = os_realloc(bss->hs20_connection_capability,
1584 			      bss->hs20_connection_capability_len + 4);
1585 	if (conn_cap == NULL)
1586 		return -1;
1587 
1588 	bss->hs20_connection_capability = conn_cap;
1589 	conn_cap += bss->hs20_connection_capability_len;
1590 	pos = buf;
1591 	conn_cap[0] = atoi(pos);
1592 	pos = os_strchr(pos, ':');
1593 	if (pos == NULL)
1594 		return -1;
1595 	pos++;
1596 	WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1597 	pos = os_strchr(pos, ':');
1598 	if (pos == NULL)
1599 		return -1;
1600 	pos++;
1601 	conn_cap[3] = atoi(pos);
1602 	bss->hs20_connection_capability_len += 4;
1603 
1604 	return 0;
1605 }
1606 
1607 
1608 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1609 				  int line)
1610 {
1611 	u8 *wan_metrics;
1612 	char *pos;
1613 
1614 	/* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1615 
1616 	wan_metrics = os_zalloc(13);
1617 	if (wan_metrics == NULL)
1618 		return -1;
1619 
1620 	pos = buf;
1621 	/* WAN Info */
1622 	if (hexstr2bin(pos, wan_metrics, 1) < 0)
1623 		goto fail;
1624 	pos += 2;
1625 	if (*pos != ':')
1626 		goto fail;
1627 	pos++;
1628 
1629 	/* Downlink Speed */
1630 	WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1631 	pos = os_strchr(pos, ':');
1632 	if (pos == NULL)
1633 		goto fail;
1634 	pos++;
1635 
1636 	/* Uplink Speed */
1637 	WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1638 	pos = os_strchr(pos, ':');
1639 	if (pos == NULL)
1640 		goto fail;
1641 	pos++;
1642 
1643 	/* Downlink Load */
1644 	wan_metrics[9] = atoi(pos);
1645 	pos = os_strchr(pos, ':');
1646 	if (pos == NULL)
1647 		goto fail;
1648 	pos++;
1649 
1650 	/* Uplink Load */
1651 	wan_metrics[10] = atoi(pos);
1652 	pos = os_strchr(pos, ':');
1653 	if (pos == NULL)
1654 		goto fail;
1655 	pos++;
1656 
1657 	/* LMD */
1658 	WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1659 
1660 	os_free(bss->hs20_wan_metrics);
1661 	bss->hs20_wan_metrics = wan_metrics;
1662 
1663 	return 0;
1664 
1665 fail:
1666 	wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1667 		   line, pos);
1668 	os_free(wan_metrics);
1669 	return -1;
1670 }
1671 
1672 
1673 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1674 					 char *pos, int line)
1675 {
1676 	if (parse_lang_string(&bss->hs20_oper_friendly_name,
1677 			      &bss->hs20_oper_friendly_name_count, pos)) {
1678 		wpa_printf(MSG_ERROR, "Line %d: Invalid "
1679 			   "hs20_oper_friendly_name '%s'", line, pos);
1680 		return -1;
1681 	}
1682 	return 0;
1683 }
1684 #endif /* CONFIG_HS20 */
1685 
1686 
1687 #ifdef CONFIG_WPS_NFC
1688 static struct wpabuf * hostapd_parse_bin(const char *buf)
1689 {
1690 	size_t len;
1691 	struct wpabuf *ret;
1692 
1693 	len = os_strlen(buf);
1694 	if (len & 0x01)
1695 		return NULL;
1696 	len /= 2;
1697 
1698 	ret = wpabuf_alloc(len);
1699 	if (ret == NULL)
1700 		return NULL;
1701 
1702 	if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1703 		wpabuf_free(ret);
1704 		return NULL;
1705 	}
1706 
1707 	return ret;
1708 }
1709 #endif /* CONFIG_WPS_NFC */
1710 
1711 
1712 static int hostapd_config_fill(struct hostapd_config *conf,
1713 			       struct hostapd_bss_config *bss,
1714 			       char *buf, char *pos, int line)
1715 {
1716 	int errors = 0;
1717 
1718 	{
1719 		if (os_strcmp(buf, "interface") == 0) {
1720 			os_strlcpy(conf->bss[0].iface, pos,
1721 				   sizeof(conf->bss[0].iface));
1722 		} else if (os_strcmp(buf, "bridge") == 0) {
1723 			os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1724 		} else if (os_strcmp(buf, "wds_bridge") == 0) {
1725 			os_strlcpy(bss->wds_bridge, pos,
1726 				   sizeof(bss->wds_bridge));
1727 		} else if (os_strcmp(buf, "driver") == 0) {
1728 			int j;
1729 			/* clear to get error below if setting is invalid */
1730 			conf->driver = NULL;
1731 			for (j = 0; wpa_drivers[j]; j++) {
1732 				if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1733 				{
1734 					conf->driver = wpa_drivers[j];
1735 					break;
1736 				}
1737 			}
1738 			if (conf->driver == NULL) {
1739 				wpa_printf(MSG_ERROR, "Line %d: invalid/"
1740 					   "unknown driver '%s'", line, pos);
1741 				errors++;
1742 			}
1743 		} else if (os_strcmp(buf, "debug") == 0) {
1744 			wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1745 				   "configuration variable is not used "
1746 				   "anymore", line);
1747 		} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1748 			bss->logger_syslog_level = atoi(pos);
1749 		} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1750 			bss->logger_stdout_level = atoi(pos);
1751 		} else if (os_strcmp(buf, "logger_syslog") == 0) {
1752 			bss->logger_syslog = atoi(pos);
1753 		} else if (os_strcmp(buf, "logger_stdout") == 0) {
1754 			bss->logger_stdout = atoi(pos);
1755 		} else if (os_strcmp(buf, "dump_file") == 0) {
1756 			bss->dump_log_name = os_strdup(pos);
1757 		} else if (os_strcmp(buf, "ssid") == 0) {
1758 			bss->ssid.ssid_len = os_strlen(pos);
1759 			if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1760 			    bss->ssid.ssid_len < 1) {
1761 				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1762 					   "'%s'", line, pos);
1763 				errors++;
1764 			} else {
1765 				os_memcpy(bss->ssid.ssid, pos,
1766 					  bss->ssid.ssid_len);
1767 				bss->ssid.ssid_set = 1;
1768 			}
1769 		} else if (os_strcmp(buf, "ssid2") == 0) {
1770 			size_t slen;
1771 			char *str = wpa_config_parse_string(pos, &slen);
1772 			if (str == NULL || slen < 1 ||
1773 				   slen > HOSTAPD_MAX_SSID_LEN) {
1774 				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1775 					   "'%s'", line, pos);
1776 				errors++;
1777 			} else {
1778 				os_memcpy(bss->ssid.ssid, str, slen);
1779 				bss->ssid.ssid_len = slen;
1780 				bss->ssid.ssid_set = 1;
1781 			}
1782 			os_free(str);
1783 		} else if (os_strcmp(buf, "utf8_ssid") == 0) {
1784 			bss->ssid.utf8_ssid = atoi(pos) > 0;
1785 		} else if (os_strcmp(buf, "macaddr_acl") == 0) {
1786 			bss->macaddr_acl = atoi(pos);
1787 			if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1788 			    bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1789 			    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1790 				wpa_printf(MSG_ERROR, "Line %d: unknown "
1791 					   "macaddr_acl %d",
1792 					   line, bss->macaddr_acl);
1793 			}
1794 		} else if (os_strcmp(buf, "accept_mac_file") == 0) {
1795 			if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1796 							&bss->num_accept_mac))
1797 			{
1798 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1799 					   "read accept_mac_file '%s'",
1800 					   line, pos);
1801 				errors++;
1802 			}
1803 		} else if (os_strcmp(buf, "deny_mac_file") == 0) {
1804 			if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1805 							&bss->num_deny_mac)) {
1806 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1807 					   "read deny_mac_file '%s'",
1808 					   line, pos);
1809 				errors++;
1810 			}
1811 		} else if (os_strcmp(buf, "wds_sta") == 0) {
1812 			bss->wds_sta = atoi(pos);
1813 		} else if (os_strcmp(buf, "ap_isolate") == 0) {
1814 			bss->isolate = atoi(pos);
1815 		} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1816 			bss->ap_max_inactivity = atoi(pos);
1817 		} else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1818 			bss->skip_inactivity_poll = atoi(pos);
1819 		} else if (os_strcmp(buf, "country_code") == 0) {
1820 			os_memcpy(conf->country, pos, 2);
1821 			/* FIX: make this configurable */
1822 			conf->country[2] = ' ';
1823 		} else if (os_strcmp(buf, "ieee80211d") == 0) {
1824 			conf->ieee80211d = atoi(pos);
1825 		} else if (os_strcmp(buf, "ieee8021x") == 0) {
1826 			bss->ieee802_1x = atoi(pos);
1827 		} else if (os_strcmp(buf, "eapol_version") == 0) {
1828 			bss->eapol_version = atoi(pos);
1829 			if (bss->eapol_version < 1 ||
1830 			    bss->eapol_version > 2) {
1831 				wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1832 					   "version (%d): '%s'.",
1833 					   line, bss->eapol_version, pos);
1834 				errors++;
1835 			} else
1836 				wpa_printf(MSG_DEBUG, "eapol_version=%d",
1837 					   bss->eapol_version);
1838 #ifdef EAP_SERVER
1839 		} else if (os_strcmp(buf, "eap_authenticator") == 0) {
1840 			bss->eap_server = atoi(pos);
1841 			wpa_printf(MSG_ERROR, "Line %d: obsolete "
1842 				   "eap_authenticator used; this has been "
1843 				   "renamed to eap_server", line);
1844 		} else if (os_strcmp(buf, "eap_server") == 0) {
1845 			bss->eap_server = atoi(pos);
1846 		} else if (os_strcmp(buf, "eap_user_file") == 0) {
1847 			if (hostapd_config_read_eap_user(pos, bss))
1848 				errors++;
1849 		} else if (os_strcmp(buf, "ca_cert") == 0) {
1850 			os_free(bss->ca_cert);
1851 			bss->ca_cert = os_strdup(pos);
1852 		} else if (os_strcmp(buf, "server_cert") == 0) {
1853 			os_free(bss->server_cert);
1854 			bss->server_cert = os_strdup(pos);
1855 		} else if (os_strcmp(buf, "private_key") == 0) {
1856 			os_free(bss->private_key);
1857 			bss->private_key = os_strdup(pos);
1858 		} else if (os_strcmp(buf, "private_key_passwd") == 0) {
1859 			os_free(bss->private_key_passwd);
1860 			bss->private_key_passwd = os_strdup(pos);
1861 		} else if (os_strcmp(buf, "check_crl") == 0) {
1862 			bss->check_crl = atoi(pos);
1863 		} else if (os_strcmp(buf, "dh_file") == 0) {
1864 			os_free(bss->dh_file);
1865 			bss->dh_file = os_strdup(pos);
1866 		} else if (os_strcmp(buf, "fragment_size") == 0) {
1867 			bss->fragment_size = atoi(pos);
1868 #ifdef EAP_SERVER_FAST
1869 		} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1870 			os_free(bss->pac_opaque_encr_key);
1871 			bss->pac_opaque_encr_key = os_malloc(16);
1872 			if (bss->pac_opaque_encr_key == NULL) {
1873 				wpa_printf(MSG_ERROR, "Line %d: No memory for "
1874 					   "pac_opaque_encr_key", line);
1875 				errors++;
1876 			} else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1877 					      16)) {
1878 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1879 					   "pac_opaque_encr_key", line);
1880 				errors++;
1881 			}
1882 		} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1883 			size_t idlen = os_strlen(pos);
1884 			if (idlen & 1) {
1885 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1886 					   "eap_fast_a_id", line);
1887 				errors++;
1888 			} else {
1889 				os_free(bss->eap_fast_a_id);
1890 				bss->eap_fast_a_id = os_malloc(idlen / 2);
1891 				if (bss->eap_fast_a_id == NULL ||
1892 				    hexstr2bin(pos, bss->eap_fast_a_id,
1893 					       idlen / 2)) {
1894 					wpa_printf(MSG_ERROR, "Line %d: "
1895 						   "Failed to parse "
1896 						   "eap_fast_a_id", line);
1897 					errors++;
1898 				} else
1899 					bss->eap_fast_a_id_len = idlen / 2;
1900 			}
1901 		} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1902 			os_free(bss->eap_fast_a_id_info);
1903 			bss->eap_fast_a_id_info = os_strdup(pos);
1904 		} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1905 			bss->eap_fast_prov = atoi(pos);
1906 		} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1907 			bss->pac_key_lifetime = atoi(pos);
1908 		} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1909 			bss->pac_key_refresh_time = atoi(pos);
1910 #endif /* EAP_SERVER_FAST */
1911 #ifdef EAP_SERVER_SIM
1912 		} else if (os_strcmp(buf, "eap_sim_db") == 0) {
1913 			os_free(bss->eap_sim_db);
1914 			bss->eap_sim_db = os_strdup(pos);
1915 		} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1916 			bss->eap_sim_aka_result_ind = atoi(pos);
1917 #endif /* EAP_SERVER_SIM */
1918 #ifdef EAP_SERVER_TNC
1919 		} else if (os_strcmp(buf, "tnc") == 0) {
1920 			bss->tnc = atoi(pos);
1921 #endif /* EAP_SERVER_TNC */
1922 #ifdef EAP_SERVER_PWD
1923 		} else if (os_strcmp(buf, "pwd_group") == 0) {
1924 			bss->pwd_group = atoi(pos);
1925 #endif /* EAP_SERVER_PWD */
1926 #endif /* EAP_SERVER */
1927 		} else if (os_strcmp(buf, "eap_message") == 0) {
1928 			char *term;
1929 			bss->eap_req_id_text = os_strdup(pos);
1930 			if (bss->eap_req_id_text == NULL) {
1931 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1932 					   "allocate memory for "
1933 					   "eap_req_id_text", line);
1934 				errors++;
1935 				return errors;
1936 			}
1937 			bss->eap_req_id_text_len =
1938 				os_strlen(bss->eap_req_id_text);
1939 			term = os_strstr(bss->eap_req_id_text, "\\0");
1940 			if (term) {
1941 				*term++ = '\0';
1942 				os_memmove(term, term + 1,
1943 					   bss->eap_req_id_text_len -
1944 					   (term - bss->eap_req_id_text) - 1);
1945 				bss->eap_req_id_text_len--;
1946 			}
1947 		} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1948 			bss->default_wep_key_len = atoi(pos);
1949 			if (bss->default_wep_key_len > 13) {
1950 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1951 					   "key len %lu (= %lu bits)", line,
1952 					   (unsigned long)
1953 					   bss->default_wep_key_len,
1954 					   (unsigned long)
1955 					   bss->default_wep_key_len * 8);
1956 				errors++;
1957 			}
1958 		} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1959 			bss->individual_wep_key_len = atoi(pos);
1960 			if (bss->individual_wep_key_len < 0 ||
1961 			    bss->individual_wep_key_len > 13) {
1962 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1963 					   "key len %d (= %d bits)", line,
1964 					   bss->individual_wep_key_len,
1965 					   bss->individual_wep_key_len * 8);
1966 				errors++;
1967 			}
1968 		} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1969 			bss->wep_rekeying_period = atoi(pos);
1970 			if (bss->wep_rekeying_period < 0) {
1971 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1972 					   "period %d",
1973 					   line, bss->wep_rekeying_period);
1974 				errors++;
1975 			}
1976 		} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1977 			bss->eap_reauth_period = atoi(pos);
1978 			if (bss->eap_reauth_period < 0) {
1979 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1980 					   "period %d",
1981 					   line, bss->eap_reauth_period);
1982 				errors++;
1983 			}
1984 		} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1985 			bss->eapol_key_index_workaround = atoi(pos);
1986 #ifdef CONFIG_IAPP
1987 		} else if (os_strcmp(buf, "iapp_interface") == 0) {
1988 			bss->ieee802_11f = 1;
1989 			os_strlcpy(bss->iapp_iface, pos,
1990 				   sizeof(bss->iapp_iface));
1991 #endif /* CONFIG_IAPP */
1992 		} else if (os_strcmp(buf, "own_ip_addr") == 0) {
1993 			if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1994 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1995 					   "address '%s'", line, pos);
1996 				errors++;
1997 			}
1998 		} else if (os_strcmp(buf, "nas_identifier") == 0) {
1999 			bss->nas_identifier = os_strdup(pos);
2000 #ifndef CONFIG_NO_RADIUS
2001 		} else if (os_strcmp(buf, "auth_server_addr") == 0) {
2002 			if (hostapd_config_read_radius_addr(
2003 				    &bss->radius->auth_servers,
2004 				    &bss->radius->num_auth_servers, pos, 1812,
2005 				    &bss->radius->auth_server)) {
2006 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
2007 					   "address '%s'", line, pos);
2008 				errors++;
2009 			}
2010 		} else if (bss->radius->auth_server &&
2011 			   os_strcmp(buf, "auth_server_port") == 0) {
2012 			bss->radius->auth_server->port = atoi(pos);
2013 		} else if (bss->radius->auth_server &&
2014 			   os_strcmp(buf, "auth_server_shared_secret") == 0) {
2015 			int len = os_strlen(pos);
2016 			if (len == 0) {
2017 				/* RFC 2865, Ch. 3 */
2018 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
2019 					   "secret is not allowed.", line);
2020 				errors++;
2021 			}
2022 			bss->radius->auth_server->shared_secret =
2023 				(u8 *) os_strdup(pos);
2024 			bss->radius->auth_server->shared_secret_len = len;
2025 		} else if (os_strcmp(buf, "acct_server_addr") == 0) {
2026 			if (hostapd_config_read_radius_addr(
2027 				    &bss->radius->acct_servers,
2028 				    &bss->radius->num_acct_servers, pos, 1813,
2029 				    &bss->radius->acct_server)) {
2030 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
2031 					   "address '%s'", line, pos);
2032 				errors++;
2033 			}
2034 		} else if (bss->radius->acct_server &&
2035 			   os_strcmp(buf, "acct_server_port") == 0) {
2036 			bss->radius->acct_server->port = atoi(pos);
2037 		} else if (bss->radius->acct_server &&
2038 			   os_strcmp(buf, "acct_server_shared_secret") == 0) {
2039 			int len = os_strlen(pos);
2040 			if (len == 0) {
2041 				/* RFC 2865, Ch. 3 */
2042 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
2043 					   "secret is not allowed.", line);
2044 				errors++;
2045 			}
2046 			bss->radius->acct_server->shared_secret =
2047 				(u8 *) os_strdup(pos);
2048 			bss->radius->acct_server->shared_secret_len = len;
2049 		} else if (os_strcmp(buf, "radius_retry_primary_interval") ==
2050 			   0) {
2051 			bss->radius->retry_primary_interval = atoi(pos);
2052 		} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
2053 		{
2054 			bss->acct_interim_interval = atoi(pos);
2055 		} else if (os_strcmp(buf, "radius_request_cui") == 0) {
2056 			bss->radius_request_cui = atoi(pos);
2057 		} else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
2058 			struct hostapd_radius_attr *attr, *a;
2059 			attr = hostapd_parse_radius_attr(pos);
2060 			if (attr == NULL) {
2061 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2062 					   "radius_auth_req_attr", line);
2063 				errors++;
2064 			} else if (bss->radius_auth_req_attr == NULL) {
2065 				bss->radius_auth_req_attr = attr;
2066 			} else {
2067 				a = bss->radius_auth_req_attr;
2068 				while (a->next)
2069 					a = a->next;
2070 				a->next = attr;
2071 			}
2072 		} else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
2073 			struct hostapd_radius_attr *attr, *a;
2074 			attr = hostapd_parse_radius_attr(pos);
2075 			if (attr == NULL) {
2076 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2077 					   "radius_acct_req_attr", line);
2078 				errors++;
2079 			} else if (bss->radius_acct_req_attr == NULL) {
2080 				bss->radius_acct_req_attr = attr;
2081 			} else {
2082 				a = bss->radius_acct_req_attr;
2083 				while (a->next)
2084 					a = a->next;
2085 				a->next = attr;
2086 			}
2087 		} else if (os_strcmp(buf, "radius_das_port") == 0) {
2088 			bss->radius_das_port = atoi(pos);
2089 		} else if (os_strcmp(buf, "radius_das_client") == 0) {
2090 			if (hostapd_parse_das_client(bss, pos) < 0) {
2091 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2092 					   "DAS client", line);
2093 				errors++;
2094 			}
2095 		} else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2096 			bss->radius_das_time_window = atoi(pos);
2097 		} else if (os_strcmp(buf, "radius_das_require_event_timestamp")
2098 			   == 0) {
2099 			bss->radius_das_require_event_timestamp = atoi(pos);
2100 #endif /* CONFIG_NO_RADIUS */
2101 		} else if (os_strcmp(buf, "auth_algs") == 0) {
2102 			bss->auth_algs = atoi(pos);
2103 			if (bss->auth_algs == 0) {
2104 				wpa_printf(MSG_ERROR, "Line %d: no "
2105 					   "authentication algorithms allowed",
2106 					   line);
2107 				errors++;
2108 			}
2109 		} else if (os_strcmp(buf, "max_num_sta") == 0) {
2110 			bss->max_num_sta = atoi(pos);
2111 			if (bss->max_num_sta < 0 ||
2112 			    bss->max_num_sta > MAX_STA_COUNT) {
2113 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
2114 					   "max_num_sta=%d; allowed range "
2115 					   "0..%d", line, bss->max_num_sta,
2116 					   MAX_STA_COUNT);
2117 				errors++;
2118 			}
2119 		} else if (os_strcmp(buf, "wpa") == 0) {
2120 			bss->wpa = atoi(pos);
2121 		} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2122 			bss->wpa_group_rekey = atoi(pos);
2123 		} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2124 			bss->wpa_strict_rekey = atoi(pos);
2125 		} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2126 			bss->wpa_gmk_rekey = atoi(pos);
2127 		} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2128 			bss->wpa_ptk_rekey = atoi(pos);
2129 		} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2130 			int len = os_strlen(pos);
2131 			if (len < 8 || len > 63) {
2132 				wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
2133 					   "passphrase length %d (expected "
2134 					   "8..63)", line, len);
2135 				errors++;
2136 			} else {
2137 				os_free(bss->ssid.wpa_passphrase);
2138 				bss->ssid.wpa_passphrase = os_strdup(pos);
2139 				os_free(bss->ssid.wpa_psk);
2140 				bss->ssid.wpa_psk = NULL;
2141 			}
2142 		} else if (os_strcmp(buf, "wpa_psk") == 0) {
2143 			os_free(bss->ssid.wpa_psk);
2144 			bss->ssid.wpa_psk =
2145 				os_zalloc(sizeof(struct hostapd_wpa_psk));
2146 			if (bss->ssid.wpa_psk == NULL)
2147 				errors++;
2148 			else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
2149 					    PMK_LEN) ||
2150 				 pos[PMK_LEN * 2] != '\0') {
2151 				wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
2152 					   "'%s'.", line, pos);
2153 				errors++;
2154 			} else {
2155 				bss->ssid.wpa_psk->group = 1;
2156 				os_free(bss->ssid.wpa_passphrase);
2157 				bss->ssid.wpa_passphrase = NULL;
2158 			}
2159 		} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2160 			os_free(bss->ssid.wpa_psk_file);
2161 			bss->ssid.wpa_psk_file = os_strdup(pos);
2162 			if (!bss->ssid.wpa_psk_file) {
2163 				wpa_printf(MSG_ERROR, "Line %d: allocation "
2164 					   "failed", line);
2165 				errors++;
2166 			}
2167 		} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2168 			bss->wpa_key_mgmt =
2169 				hostapd_config_parse_key_mgmt(line, pos);
2170 			if (bss->wpa_key_mgmt == -1)
2171 				errors++;
2172 		} else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2173 			bss->wpa_psk_radius = atoi(pos);
2174 			if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2175 			    bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2176 			    bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2177 				wpa_printf(MSG_ERROR, "Line %d: unknown "
2178 					   "wpa_psk_radius %d",
2179 					   line, bss->wpa_psk_radius);
2180 				errors++;
2181 			}
2182 		} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2183 			bss->wpa_pairwise =
2184 				hostapd_config_parse_cipher(line, pos);
2185 			if (bss->wpa_pairwise == -1 ||
2186 			    bss->wpa_pairwise == 0)
2187 				errors++;
2188 			else if (bss->wpa_pairwise &
2189 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2190 				  WPA_CIPHER_WEP104)) {
2191 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
2192 					   "pairwise cipher suite '%s'",
2193 					   bss->wpa_pairwise, pos);
2194 				errors++;
2195 			}
2196 		} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2197 			bss->rsn_pairwise =
2198 				hostapd_config_parse_cipher(line, pos);
2199 			if (bss->rsn_pairwise == -1 ||
2200 			    bss->rsn_pairwise == 0)
2201 				errors++;
2202 			else if (bss->rsn_pairwise &
2203 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
2204 				  WPA_CIPHER_WEP104)) {
2205 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
2206 					   "pairwise cipher suite '%s'",
2207 					   bss->rsn_pairwise, pos);
2208 				errors++;
2209 			}
2210 #ifdef CONFIG_RSN_PREAUTH
2211 		} else if (os_strcmp(buf, "rsn_preauth") == 0) {
2212 			bss->rsn_preauth = atoi(pos);
2213 		} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2214 			bss->rsn_preauth_interfaces = os_strdup(pos);
2215 #endif /* CONFIG_RSN_PREAUTH */
2216 #ifdef CONFIG_PEERKEY
2217 		} else if (os_strcmp(buf, "peerkey") == 0) {
2218 			bss->peerkey = atoi(pos);
2219 #endif /* CONFIG_PEERKEY */
2220 #ifdef CONFIG_IEEE80211R
2221 		} else if (os_strcmp(buf, "mobility_domain") == 0) {
2222 			if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2223 			    hexstr2bin(pos, bss->mobility_domain,
2224 				       MOBILITY_DOMAIN_ID_LEN) != 0) {
2225 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2226 					   "mobility_domain '%s'", line, pos);
2227 				errors++;
2228 				return errors;
2229 			}
2230 		} else if (os_strcmp(buf, "r1_key_holder") == 0) {
2231 			if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2232 			    hexstr2bin(pos, bss->r1_key_holder,
2233 				       FT_R1KH_ID_LEN) != 0) {
2234 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2235 					   "r1_key_holder '%s'", line, pos);
2236 				errors++;
2237 				return errors;
2238 			}
2239 		} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2240 			bss->r0_key_lifetime = atoi(pos);
2241 		} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2242 			bss->reassociation_deadline = atoi(pos);
2243 		} else if (os_strcmp(buf, "r0kh") == 0) {
2244 			if (add_r0kh(bss, pos) < 0) {
2245 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2246 					   "r0kh '%s'", line, pos);
2247 				errors++;
2248 				return errors;
2249 			}
2250 		} else if (os_strcmp(buf, "r1kh") == 0) {
2251 			if (add_r1kh(bss, pos) < 0) {
2252 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
2253 					   "r1kh '%s'", line, pos);
2254 				errors++;
2255 				return errors;
2256 			}
2257 		} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2258 			bss->pmk_r1_push = atoi(pos);
2259 		} else if (os_strcmp(buf, "ft_over_ds") == 0) {
2260 			bss->ft_over_ds = atoi(pos);
2261 #endif /* CONFIG_IEEE80211R */
2262 #ifndef CONFIG_NO_CTRL_IFACE
2263 		} else if (os_strcmp(buf, "ctrl_interface") == 0) {
2264 			os_free(bss->ctrl_interface);
2265 			bss->ctrl_interface = os_strdup(pos);
2266 		} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2267 #ifndef CONFIG_NATIVE_WINDOWS
2268 			struct group *grp;
2269 			char *endp;
2270 			const char *group = pos;
2271 
2272 			grp = getgrnam(group);
2273 			if (grp) {
2274 				bss->ctrl_interface_gid = grp->gr_gid;
2275 				bss->ctrl_interface_gid_set = 1;
2276 				wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
2277 					   " (from group name '%s')",
2278 					   bss->ctrl_interface_gid, group);
2279 				return errors;
2280 			}
2281 
2282 			/* Group name not found - try to parse this as gid */
2283 			bss->ctrl_interface_gid = strtol(group, &endp, 10);
2284 			if (*group == '\0' || *endp != '\0') {
2285 				wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
2286 					   "'%s'", line, group);
2287 				errors++;
2288 				return errors;
2289 			}
2290 			bss->ctrl_interface_gid_set = 1;
2291 			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2292 				   bss->ctrl_interface_gid);
2293 #endif /* CONFIG_NATIVE_WINDOWS */
2294 #endif /* CONFIG_NO_CTRL_IFACE */
2295 #ifdef RADIUS_SERVER
2296 		} else if (os_strcmp(buf, "radius_server_clients") == 0) {
2297 			os_free(bss->radius_server_clients);
2298 			bss->radius_server_clients = os_strdup(pos);
2299 		} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2300 			bss->radius_server_auth_port = atoi(pos);
2301 		} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2302 			bss->radius_server_ipv6 = atoi(pos);
2303 #endif /* RADIUS_SERVER */
2304 		} else if (os_strcmp(buf, "test_socket") == 0) {
2305 			os_free(bss->test_socket);
2306 			bss->test_socket = os_strdup(pos);
2307 		} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2308 			bss->use_pae_group_addr = atoi(pos);
2309 		} else if (os_strcmp(buf, "hw_mode") == 0) {
2310 			if (os_strcmp(pos, "a") == 0)
2311 				conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2312 			else if (os_strcmp(pos, "b") == 0)
2313 				conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2314 			else if (os_strcmp(pos, "g") == 0)
2315 				conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2316 			else if (os_strcmp(pos, "ad") == 0)
2317 				conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2318 			else {
2319 				wpa_printf(MSG_ERROR, "Line %d: unknown "
2320 					   "hw_mode '%s'", line, pos);
2321 				errors++;
2322 			}
2323 		} else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2324 			if (os_strcmp(pos, "a") == 0)
2325 				bss->wps_rf_bands = WPS_RF_50GHZ;
2326 			else if (os_strcmp(pos, "g") == 0 ||
2327 				 os_strcmp(pos, "b") == 0)
2328 				bss->wps_rf_bands = WPS_RF_24GHZ;
2329 			else if (os_strcmp(pos, "ag") == 0 ||
2330 				 os_strcmp(pos, "ga") == 0)
2331 				bss->wps_rf_bands =
2332 					WPS_RF_24GHZ | WPS_RF_50GHZ;
2333 			else {
2334 				wpa_printf(MSG_ERROR, "Line %d: unknown "
2335 					   "wps_rf_band '%s'", line, pos);
2336 				errors++;
2337 			}
2338 		} else if (os_strcmp(buf, "channel") == 0) {
2339 			conf->channel = atoi(pos);
2340 		} else if (os_strcmp(buf, "beacon_int") == 0) {
2341 			int val = atoi(pos);
2342 			/* MIB defines range as 1..65535, but very small values
2343 			 * cause problems with the current implementation.
2344 			 * Since it is unlikely that this small numbers are
2345 			 * useful in real life scenarios, do not allow beacon
2346 			 * period to be set below 15 TU. */
2347 			if (val < 15 || val > 65535) {
2348 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2349 					   "beacon_int %d (expected "
2350 					   "15..65535)", line, val);
2351 				errors++;
2352 			} else
2353 				conf->beacon_int = val;
2354 		} else if (os_strcmp(buf, "dtim_period") == 0) {
2355 			bss->dtim_period = atoi(pos);
2356 			if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2357 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2358 					   "dtim_period %d",
2359 					   line, bss->dtim_period);
2360 				errors++;
2361 			}
2362 		} else if (os_strcmp(buf, "rts_threshold") == 0) {
2363 			conf->rts_threshold = atoi(pos);
2364 			if (conf->rts_threshold < 0 ||
2365 			    conf->rts_threshold > 2347) {
2366 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2367 					   "rts_threshold %d",
2368 					   line, conf->rts_threshold);
2369 				errors++;
2370 			}
2371 		} else if (os_strcmp(buf, "fragm_threshold") == 0) {
2372 			conf->fragm_threshold = atoi(pos);
2373 			if (conf->fragm_threshold < 256 ||
2374 			    conf->fragm_threshold > 2346) {
2375 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2376 					   "fragm_threshold %d",
2377 					   line, conf->fragm_threshold);
2378 				errors++;
2379 			}
2380 		} else if (os_strcmp(buf, "send_probe_response") == 0) {
2381 			int val = atoi(pos);
2382 			if (val != 0 && val != 1) {
2383 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2384 					   "send_probe_response %d (expected "
2385 					   "0 or 1)", line, val);
2386 			} else
2387 				conf->send_probe_response = val;
2388 		} else if (os_strcmp(buf, "supported_rates") == 0) {
2389 			if (hostapd_parse_rates(&conf->supported_rates, pos)) {
2390 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2391 					   "list", line);
2392 				errors++;
2393 			}
2394 		} else if (os_strcmp(buf, "basic_rates") == 0) {
2395 			if (hostapd_parse_rates(&conf->basic_rates, pos)) {
2396 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
2397 					   "list", line);
2398 				errors++;
2399 			}
2400 		} else if (os_strcmp(buf, "preamble") == 0) {
2401 			if (atoi(pos))
2402 				conf->preamble = SHORT_PREAMBLE;
2403 			else
2404 				conf->preamble = LONG_PREAMBLE;
2405 		} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2406 			bss->ignore_broadcast_ssid = atoi(pos);
2407 		} else if (os_strcmp(buf, "wep_default_key") == 0) {
2408 			bss->ssid.wep.idx = atoi(pos);
2409 			if (bss->ssid.wep.idx > 3) {
2410 				wpa_printf(MSG_ERROR, "Invalid "
2411 					   "wep_default_key index %d",
2412 					   bss->ssid.wep.idx);
2413 				errors++;
2414 			}
2415 		} else if (os_strcmp(buf, "wep_key0") == 0 ||
2416 			   os_strcmp(buf, "wep_key1") == 0 ||
2417 			   os_strcmp(buf, "wep_key2") == 0 ||
2418 			   os_strcmp(buf, "wep_key3") == 0) {
2419 			if (hostapd_config_read_wep(&bss->ssid.wep,
2420 						    buf[7] - '0', pos)) {
2421 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
2422 					   "key '%s'", line, buf);
2423 				errors++;
2424 			}
2425 #ifndef CONFIG_NO_VLAN
2426 		} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2427 			bss->ssid.dynamic_vlan = atoi(pos);
2428 		} else if (os_strcmp(buf, "vlan_file") == 0) {
2429 			if (hostapd_config_read_vlan_file(bss, pos)) {
2430 				wpa_printf(MSG_ERROR, "Line %d: failed to "
2431 					   "read VLAN file '%s'", line, pos);
2432 				errors++;
2433 			}
2434 		} else if (os_strcmp(buf, "vlan_naming") == 0) {
2435 			bss->ssid.vlan_naming = atoi(pos);
2436 			if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2437 			    bss->ssid.vlan_naming < 0) {
2438 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2439 					   "naming scheme %d", line,
2440                                            bss->ssid.vlan_naming);
2441 				errors++;
2442                         }
2443 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2444 		} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2445 			bss->ssid.vlan_tagged_interface = os_strdup(pos);
2446 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2447 #endif /* CONFIG_NO_VLAN */
2448 		} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2449 			conf->ap_table_max_size = atoi(pos);
2450 		} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2451 			conf->ap_table_expiration_time = atoi(pos);
2452 		} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2453 			if (hostapd_config_tx_queue(conf, buf, pos)) {
2454 				wpa_printf(MSG_ERROR, "Line %d: invalid TX "
2455 					   "queue item", line);
2456 				errors++;
2457 			}
2458 		} else if (os_strcmp(buf, "wme_enabled") == 0 ||
2459 			   os_strcmp(buf, "wmm_enabled") == 0) {
2460 			bss->wmm_enabled = atoi(pos);
2461 		} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2462 			bss->wmm_uapsd = atoi(pos);
2463 		} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2464 			   os_strncmp(buf, "wmm_ac_", 7) == 0) {
2465 			if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf,
2466 						  pos)) {
2467 				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
2468 					   "ac item", line);
2469 				errors++;
2470 			}
2471 		} else if (os_strcmp(buf, "bss") == 0) {
2472 			if (hostapd_config_bss(conf, pos)) {
2473 				wpa_printf(MSG_ERROR, "Line %d: invalid bss "
2474 					   "item", line);
2475 				errors++;
2476 			}
2477 		} else if (os_strcmp(buf, "bssid") == 0) {
2478 			if (hwaddr_aton(pos, bss->bssid)) {
2479 				wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
2480 					   "item", line);
2481 				errors++;
2482 			}
2483 #ifdef CONFIG_IEEE80211W
2484 		} else if (os_strcmp(buf, "ieee80211w") == 0) {
2485 			bss->ieee80211w = atoi(pos);
2486 		} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2487 			bss->assoc_sa_query_max_timeout = atoi(pos);
2488 			if (bss->assoc_sa_query_max_timeout == 0) {
2489 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2490 					   "assoc_sa_query_max_timeout", line);
2491 				errors++;
2492 			}
2493 		} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
2494 		{
2495 			bss->assoc_sa_query_retry_timeout = atoi(pos);
2496 			if (bss->assoc_sa_query_retry_timeout == 0) {
2497 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2498 					   "assoc_sa_query_retry_timeout",
2499 					   line);
2500 				errors++;
2501 			}
2502 #endif /* CONFIG_IEEE80211W */
2503 #ifdef CONFIG_IEEE80211N
2504 		} else if (os_strcmp(buf, "ieee80211n") == 0) {
2505 			conf->ieee80211n = atoi(pos);
2506 		} else if (os_strcmp(buf, "ht_capab") == 0) {
2507 			if (hostapd_config_ht_capab(conf, pos) < 0) {
2508 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2509 					   "ht_capab", line);
2510 				errors++;
2511 			}
2512 		} else if (os_strcmp(buf, "require_ht") == 0) {
2513 			conf->require_ht = atoi(pos);
2514 #endif /* CONFIG_IEEE80211N */
2515 #ifdef CONFIG_IEEE80211AC
2516 		} else if (os_strcmp(buf, "ieee80211ac") == 0) {
2517 			conf->ieee80211ac = atoi(pos);
2518 		} else if (os_strcmp(buf, "vht_capab") == 0) {
2519 			if (hostapd_config_vht_capab(conf, pos) < 0) {
2520 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2521 					   "vht_capab", line);
2522 				errors++;
2523 			}
2524 		} else if (os_strcmp(buf, "require_vht") == 0) {
2525 			conf->require_vht = atoi(pos);
2526 		} else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2527 			conf->vht_oper_chwidth = atoi(pos);
2528 		} else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0)
2529 		{
2530 			conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2531 		} else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0)
2532 		{
2533 			conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2534 #endif /* CONFIG_IEEE80211AC */
2535 		} else if (os_strcmp(buf, "max_listen_interval") == 0) {
2536 			bss->max_listen_interval = atoi(pos);
2537 		} else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2538 			bss->disable_pmksa_caching = atoi(pos);
2539 		} else if (os_strcmp(buf, "okc") == 0) {
2540 			bss->okc = atoi(pos);
2541 #ifdef CONFIG_WPS
2542 		} else if (os_strcmp(buf, "wps_state") == 0) {
2543 			bss->wps_state = atoi(pos);
2544 			if (bss->wps_state < 0 || bss->wps_state > 2) {
2545 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2546 					   "wps_state", line);
2547 				errors++;
2548 			}
2549 		} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2550 			bss->ap_setup_locked = atoi(pos);
2551 		} else if (os_strcmp(buf, "uuid") == 0) {
2552 			if (uuid_str2bin(pos, bss->uuid)) {
2553 				wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
2554 					   line);
2555 				errors++;
2556 			}
2557 		} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2558 			os_free(bss->wps_pin_requests);
2559 			bss->wps_pin_requests = os_strdup(pos);
2560 		} else if (os_strcmp(buf, "device_name") == 0) {
2561 			if (os_strlen(pos) > 32) {
2562 				wpa_printf(MSG_ERROR, "Line %d: Too long "
2563 					   "device_name", line);
2564 				errors++;
2565 			}
2566 			os_free(bss->device_name);
2567 			bss->device_name = os_strdup(pos);
2568 		} else if (os_strcmp(buf, "manufacturer") == 0) {
2569 			if (os_strlen(pos) > 64) {
2570 				wpa_printf(MSG_ERROR, "Line %d: Too long "
2571 					   "manufacturer", line);
2572 				errors++;
2573 			}
2574 			os_free(bss->manufacturer);
2575 			bss->manufacturer = os_strdup(pos);
2576 		} else if (os_strcmp(buf, "model_name") == 0) {
2577 			if (os_strlen(pos) > 32) {
2578 				wpa_printf(MSG_ERROR, "Line %d: Too long "
2579 					   "model_name", line);
2580 				errors++;
2581 			}
2582 			os_free(bss->model_name);
2583 			bss->model_name = os_strdup(pos);
2584 		} else if (os_strcmp(buf, "model_number") == 0) {
2585 			if (os_strlen(pos) > 32) {
2586 				wpa_printf(MSG_ERROR, "Line %d: Too long "
2587 					   "model_number", line);
2588 				errors++;
2589 			}
2590 			os_free(bss->model_number);
2591 			bss->model_number = os_strdup(pos);
2592 		} else if (os_strcmp(buf, "serial_number") == 0) {
2593 			if (os_strlen(pos) > 32) {
2594 				wpa_printf(MSG_ERROR, "Line %d: Too long "
2595 					   "serial_number", line);
2596 				errors++;
2597 			}
2598 			os_free(bss->serial_number);
2599 			bss->serial_number = os_strdup(pos);
2600 		} else if (os_strcmp(buf, "device_type") == 0) {
2601 			if (wps_dev_type_str2bin(pos, bss->device_type))
2602 				errors++;
2603 		} else if (os_strcmp(buf, "config_methods") == 0) {
2604 			os_free(bss->config_methods);
2605 			bss->config_methods = os_strdup(pos);
2606 		} else if (os_strcmp(buf, "os_version") == 0) {
2607 			if (hexstr2bin(pos, bss->os_version, 4)) {
2608 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2609 					   "os_version", line);
2610 				errors++;
2611 			}
2612 		} else if (os_strcmp(buf, "ap_pin") == 0) {
2613 			os_free(bss->ap_pin);
2614 			bss->ap_pin = os_strdup(pos);
2615 		} else if (os_strcmp(buf, "skip_cred_build") == 0) {
2616 			bss->skip_cred_build = atoi(pos);
2617 		} else if (os_strcmp(buf, "extra_cred") == 0) {
2618 			os_free(bss->extra_cred);
2619 			bss->extra_cred =
2620 				(u8 *) os_readfile(pos, &bss->extra_cred_len);
2621 			if (bss->extra_cred == NULL) {
2622 				wpa_printf(MSG_ERROR, "Line %d: could not "
2623 					   "read Credentials from '%s'",
2624 					   line, pos);
2625 				errors++;
2626 			}
2627 		} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2628 			bss->wps_cred_processing = atoi(pos);
2629 		} else if (os_strcmp(buf, "ap_settings") == 0) {
2630 			os_free(bss->ap_settings);
2631 			bss->ap_settings =
2632 				(u8 *) os_readfile(pos, &bss->ap_settings_len);
2633 			if (bss->ap_settings == NULL) {
2634 				wpa_printf(MSG_ERROR, "Line %d: could not "
2635 					   "read AP Settings from '%s'",
2636 					   line, pos);
2637 				errors++;
2638 			}
2639 		} else if (os_strcmp(buf, "upnp_iface") == 0) {
2640 			bss->upnp_iface = os_strdup(pos);
2641 		} else if (os_strcmp(buf, "friendly_name") == 0) {
2642 			os_free(bss->friendly_name);
2643 			bss->friendly_name = os_strdup(pos);
2644 		} else if (os_strcmp(buf, "manufacturer_url") == 0) {
2645 			os_free(bss->manufacturer_url);
2646 			bss->manufacturer_url = os_strdup(pos);
2647 		} else if (os_strcmp(buf, "model_description") == 0) {
2648 			os_free(bss->model_description);
2649 			bss->model_description = os_strdup(pos);
2650 		} else if (os_strcmp(buf, "model_url") == 0) {
2651 			os_free(bss->model_url);
2652 			bss->model_url = os_strdup(pos);
2653 		} else if (os_strcmp(buf, "upc") == 0) {
2654 			os_free(bss->upc);
2655 			bss->upc = os_strdup(pos);
2656 		} else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2657 			bss->pbc_in_m1 = atoi(pos);
2658 #ifdef CONFIG_WPS_NFC
2659 		} else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
2660 			bss->wps_nfc_dev_pw_id = atoi(pos);
2661 			if (bss->wps_nfc_dev_pw_id < 0x10 ||
2662 			    bss->wps_nfc_dev_pw_id > 0xffff) {
2663 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
2664 					   "wps_nfc_dev_pw_id value", line);
2665 				errors++;
2666 			}
2667 		} else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
2668 			wpabuf_free(bss->wps_nfc_dh_pubkey);
2669 			bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
2670 		} else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
2671 			wpabuf_free(bss->wps_nfc_dh_privkey);
2672 			bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
2673 		} else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
2674 			wpabuf_free(bss->wps_nfc_dev_pw);
2675 			bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
2676 #endif /* CONFIG_WPS_NFC */
2677 #endif /* CONFIG_WPS */
2678 #ifdef CONFIG_P2P_MANAGER
2679 		} else if (os_strcmp(buf, "manage_p2p") == 0) {
2680 			int manage = atoi(pos);
2681 			if (manage)
2682 				bss->p2p |= P2P_MANAGE;
2683 			else
2684 				bss->p2p &= ~P2P_MANAGE;
2685 		} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2686 			if (atoi(pos))
2687 				bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2688 			else
2689 				bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2690 #endif /* CONFIG_P2P_MANAGER */
2691 		} else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2692 			bss->disassoc_low_ack = atoi(pos);
2693 		} else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2694 			int val = atoi(pos);
2695 			if (val)
2696 				bss->tdls |= TDLS_PROHIBIT;
2697 			else
2698 				bss->tdls &= ~TDLS_PROHIBIT;
2699 		} else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2700 			int val = atoi(pos);
2701 			if (val)
2702 				bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2703 			else
2704 				bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2705 #ifdef CONFIG_RSN_TESTING
2706 		} else if (os_strcmp(buf, "rsn_testing") == 0) {
2707 			extern int rsn_testing;
2708 			rsn_testing = atoi(pos);
2709 #endif /* CONFIG_RSN_TESTING */
2710 		} else if (os_strcmp(buf, "time_advertisement") == 0) {
2711 			bss->time_advertisement = atoi(pos);
2712 		} else if (os_strcmp(buf, "time_zone") == 0) {
2713 			size_t tz_len = os_strlen(pos);
2714 			if (tz_len < 4 || tz_len > 255) {
2715 				wpa_printf(MSG_DEBUG, "Line %d: invalid "
2716 					   "time_zone", line);
2717 				errors++;
2718 				return errors;
2719 			}
2720 			os_free(bss->time_zone);
2721 			bss->time_zone = os_strdup(pos);
2722 			if (bss->time_zone == NULL)
2723 				errors++;
2724 #ifdef CONFIG_WNM
2725 		} else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
2726 			bss->wnm_sleep_mode = atoi(pos);
2727 		} else if (os_strcmp(buf, "bss_transition") == 0) {
2728 			bss->bss_transition = atoi(pos);
2729 #endif /* CONFIG_WNM */
2730 #ifdef CONFIG_INTERWORKING
2731 		} else if (os_strcmp(buf, "interworking") == 0) {
2732 			bss->interworking = atoi(pos);
2733 		} else if (os_strcmp(buf, "access_network_type") == 0) {
2734 			bss->access_network_type = atoi(pos);
2735 			if (bss->access_network_type < 0 ||
2736 			    bss->access_network_type > 15) {
2737 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2738 					   "access_network_type", line);
2739 				errors++;
2740 			}
2741 		} else if (os_strcmp(buf, "internet") == 0) {
2742 			bss->internet = atoi(pos);
2743 		} else if (os_strcmp(buf, "asra") == 0) {
2744 			bss->asra = atoi(pos);
2745 		} else if (os_strcmp(buf, "esr") == 0) {
2746 			bss->esr = atoi(pos);
2747 		} else if (os_strcmp(buf, "uesa") == 0) {
2748 			bss->uesa = atoi(pos);
2749 		} else if (os_strcmp(buf, "venue_group") == 0) {
2750 			bss->venue_group = atoi(pos);
2751 			bss->venue_info_set = 1;
2752 		} else if (os_strcmp(buf, "venue_type") == 0) {
2753 			bss->venue_type = atoi(pos);
2754 			bss->venue_info_set = 1;
2755 		} else if (os_strcmp(buf, "hessid") == 0) {
2756 			if (hwaddr_aton(pos, bss->hessid)) {
2757 				wpa_printf(MSG_ERROR, "Line %d: invalid "
2758 					   "hessid", line);
2759 				errors++;
2760 			}
2761 		} else if (os_strcmp(buf, "roaming_consortium") == 0) {
2762 			if (parse_roaming_consortium(bss, pos, line) < 0)
2763 				errors++;
2764 		} else if (os_strcmp(buf, "venue_name") == 0) {
2765 			if (parse_venue_name(bss, pos, line) < 0)
2766 				errors++;
2767 		} else if (os_strcmp(buf, "network_auth_type") == 0) {
2768 			u8 auth_type;
2769 			u16 redirect_url_len;
2770 			if (hexstr2bin(pos, &auth_type, 1)) {
2771 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
2772 					   "network_auth_type '%s'",
2773 					   line, pos);
2774 				errors++;
2775 				return errors;
2776 			}
2777 			if (auth_type == 0 || auth_type == 2)
2778 				redirect_url_len = os_strlen(pos + 2);
2779 			else
2780 				redirect_url_len = 0;
2781 			os_free(bss->network_auth_type);
2782 			bss->network_auth_type =
2783 				os_malloc(redirect_url_len + 3 + 1);
2784 			if (bss->network_auth_type == NULL) {
2785 				errors++;
2786 				return errors;
2787 			}
2788 			*bss->network_auth_type = auth_type;
2789 			WPA_PUT_LE16(bss->network_auth_type + 1,
2790 				     redirect_url_len);
2791 			if (redirect_url_len)
2792 				os_memcpy(bss->network_auth_type + 3,
2793 					  pos + 2, redirect_url_len);
2794 			bss->network_auth_type_len = 3 + redirect_url_len;
2795 		} else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
2796 			if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1))
2797 			{
2798 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
2799 					   "ipaddr_type_availability '%s'",
2800 					   line, pos);
2801 				bss->ipaddr_type_configured = 0;
2802 				errors++;
2803 				return errors;
2804 			}
2805 			bss->ipaddr_type_configured = 1;
2806 		} else if (os_strcmp(buf, "domain_name") == 0) {
2807 			int j, num_domains, domain_len, domain_list_len = 0;
2808 			char *tok_start, *tok_prev;
2809 			u8 *domain_list, *domain_ptr;
2810 
2811 			domain_list_len = os_strlen(pos) + 1;
2812 			domain_list = os_malloc(domain_list_len);
2813 			if (domain_list == NULL) {
2814 				errors++;
2815 				return errors;
2816 			}
2817 
2818 			domain_ptr = domain_list;
2819 			tok_prev = pos;
2820 			num_domains = 1;
2821 			while ((tok_prev = os_strchr(tok_prev, ','))) {
2822 				num_domains++;
2823 				tok_prev++;
2824 			}
2825 			tok_prev = pos;
2826 			for (j = 0; j < num_domains; j++) {
2827 				tok_start = os_strchr(tok_prev, ',');
2828 				if (tok_start) {
2829 					domain_len = tok_start - tok_prev;
2830 					*domain_ptr = domain_len;
2831 					os_memcpy(domain_ptr + 1, tok_prev,
2832 						  domain_len);
2833 					domain_ptr += domain_len + 1;
2834 					tok_prev = ++tok_start;
2835 				} else {
2836 					domain_len = os_strlen(tok_prev);
2837 					*domain_ptr = domain_len;
2838 					os_memcpy(domain_ptr + 1, tok_prev,
2839 						  domain_len);
2840 					domain_ptr += domain_len + 1;
2841 				}
2842 			}
2843 
2844 			os_free(bss->domain_name);
2845 			bss->domain_name = domain_list;
2846 			bss->domain_name_len = domain_list_len;
2847 		} else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
2848 			if (parse_3gpp_cell_net(bss, pos, line) < 0)
2849 				errors++;
2850 		} else if (os_strcmp(buf, "nai_realm") == 0) {
2851 			if (parse_nai_realm(bss, pos, line) < 0)
2852 				errors++;
2853 		} else if (os_strcmp(buf, "gas_frag_limit") == 0) {
2854 			bss->gas_frag_limit = atoi(pos);
2855 		} else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
2856 			bss->gas_comeback_delay = atoi(pos);
2857 #endif /* CONFIG_INTERWORKING */
2858 #ifdef CONFIG_RADIUS_TEST
2859 		} else if (os_strcmp(buf, "dump_msk_file") == 0) {
2860 			os_free(bss->dump_msk_file);
2861 			bss->dump_msk_file = os_strdup(pos);
2862 #endif /* CONFIG_RADIUS_TEST */
2863 #ifdef CONFIG_HS20
2864 		} else if (os_strcmp(buf, "hs20") == 0) {
2865 			bss->hs20 = atoi(pos);
2866 		} else if (os_strcmp(buf, "disable_dgaf") == 0) {
2867 			bss->disable_dgaf = atoi(pos);
2868 		} else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
2869 			if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
2870 				errors++;
2871 		} else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
2872 			if (hs20_parse_wan_metrics(bss, pos, line) < 0) {
2873 				errors++;
2874 				return errors;
2875 			}
2876 		} else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
2877 			if (hs20_parse_conn_capab(bss, pos, line) < 0) {
2878 				errors++;
2879 				return errors;
2880 			}
2881 		} else if (os_strcmp(buf, "hs20_operating_class") == 0) {
2882 			u8 *oper_class;
2883 			size_t oper_class_len;
2884 			oper_class_len = os_strlen(pos);
2885 			if (oper_class_len < 2 || (oper_class_len & 0x01)) {
2886 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
2887 					   "hs20_operating_class '%s'",
2888 					   line, pos);
2889 				errors++;
2890 				return errors;
2891 			}
2892 			oper_class_len /= 2;
2893 			oper_class = os_malloc(oper_class_len);
2894 			if (oper_class == NULL) {
2895 				errors++;
2896 				return errors;
2897 			}
2898 			if (hexstr2bin(pos, oper_class, oper_class_len)) {
2899 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
2900 					   "hs20_operating_class '%s'",
2901 					   line, pos);
2902 				os_free(oper_class);
2903 				errors++;
2904 				return errors;
2905 			}
2906 			os_free(bss->hs20_operating_class);
2907 			bss->hs20_operating_class = oper_class;
2908 			bss->hs20_operating_class_len = oper_class_len;
2909 #endif /* CONFIG_HS20 */
2910 		} else if (os_strcmp(buf, "vendor_elements") == 0) {
2911 			struct wpabuf *elems;
2912 			size_t len = os_strlen(pos);
2913 			if (len & 0x01) {
2914 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
2915 					   "vendor_elements '%s'", line, pos);
2916 				return 1;
2917 			}
2918 			len /= 2;
2919 			if (len == 0) {
2920 				wpabuf_free(bss->vendor_elements);
2921 				bss->vendor_elements = NULL;
2922 				return 0;
2923 			}
2924 
2925 			elems = wpabuf_alloc(len);
2926 			if (elems == NULL)
2927 				return 1;
2928 
2929 			if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
2930 				wpabuf_free(elems);
2931 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
2932 					   "vendor_elements '%s'", line, pos);
2933 				return 1;
2934 			}
2935 
2936 			wpabuf_free(bss->vendor_elements);
2937 			bss->vendor_elements = elems;
2938 		} else {
2939 			wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2940 				   "item '%s'", line, buf);
2941 			errors++;
2942 		}
2943 	}
2944 
2945 	return errors;
2946 }
2947 
2948 
2949 static void hostapd_set_security_params(struct hostapd_bss_config *bss)
2950 {
2951 	int pairwise;
2952 
2953 	if (bss->individual_wep_key_len == 0) {
2954 		/* individual keys are not use; can use key idx0 for
2955 		 * broadcast keys */
2956 		bss->broadcast_key_idx_min = 0;
2957 	}
2958 
2959 	/* Select group cipher based on the enabled pairwise cipher
2960 	 * suites */
2961 	pairwise = 0;
2962 	if (bss->wpa & 1)
2963 		pairwise |= bss->wpa_pairwise;
2964 	if (bss->wpa & 2) {
2965 		if (bss->rsn_pairwise == 0)
2966 			bss->rsn_pairwise = bss->wpa_pairwise;
2967 		pairwise |= bss->rsn_pairwise;
2968 	}
2969 	if (pairwise & WPA_CIPHER_TKIP)
2970 		bss->wpa_group = WPA_CIPHER_TKIP;
2971 	else if ((pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ==
2972 		 WPA_CIPHER_GCMP)
2973 		bss->wpa_group = WPA_CIPHER_GCMP;
2974 	else
2975 		bss->wpa_group = WPA_CIPHER_CCMP;
2976 
2977 	bss->radius->auth_server = bss->radius->auth_servers;
2978 	bss->radius->acct_server = bss->radius->acct_servers;
2979 
2980 	if (bss->wpa && bss->ieee802_1x) {
2981 		bss->ssid.security_policy = SECURITY_WPA;
2982 	} else if (bss->wpa) {
2983 		bss->ssid.security_policy = SECURITY_WPA_PSK;
2984 	} else if (bss->ieee802_1x) {
2985 		int cipher = WPA_CIPHER_NONE;
2986 		bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2987 		bss->ssid.wep.default_len = bss->default_wep_key_len;
2988 		if (bss->default_wep_key_len)
2989 			cipher = bss->default_wep_key_len >= 13 ?
2990 				WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
2991 		bss->wpa_group = cipher;
2992 		bss->wpa_pairwise = cipher;
2993 		bss->rsn_pairwise = cipher;
2994 	} else if (bss->ssid.wep.keys_set) {
2995 		int cipher = WPA_CIPHER_WEP40;
2996 		if (bss->ssid.wep.len[0] >= 13)
2997 			cipher = WPA_CIPHER_WEP104;
2998 		bss->ssid.security_policy = SECURITY_STATIC_WEP;
2999 		bss->wpa_group = cipher;
3000 		bss->wpa_pairwise = cipher;
3001 		bss->rsn_pairwise = cipher;
3002 	} else {
3003 		bss->ssid.security_policy = SECURITY_PLAINTEXT;
3004 		bss->wpa_group = WPA_CIPHER_NONE;
3005 		bss->wpa_pairwise = WPA_CIPHER_NONE;
3006 		bss->rsn_pairwise = WPA_CIPHER_NONE;
3007 	}
3008 }
3009 
3010 
3011 /**
3012  * hostapd_config_read - Read and parse a configuration file
3013  * @fname: Configuration file name (including path, if needed)
3014  * Returns: Allocated configuration data structure
3015  */
3016 struct hostapd_config * hostapd_config_read(const char *fname)
3017 {
3018 	struct hostapd_config *conf;
3019 	struct hostapd_bss_config *bss;
3020 	FILE *f;
3021 	char buf[512], *pos;
3022 	int line = 0;
3023 	int errors = 0;
3024 	size_t i;
3025 
3026 	f = fopen(fname, "r");
3027 	if (f == NULL) {
3028 		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
3029 			   "for reading.", fname);
3030 		return NULL;
3031 	}
3032 
3033 	conf = hostapd_config_defaults();
3034 	if (conf == NULL) {
3035 		fclose(f);
3036 		return NULL;
3037 	}
3038 
3039 	/* set default driver based on configuration */
3040 	conf->driver = wpa_drivers[0];
3041 	if (conf->driver == NULL) {
3042 		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3043 		hostapd_config_free(conf);
3044 		fclose(f);
3045 		return NULL;
3046 	}
3047 
3048 	bss = conf->last_bss = conf->bss;
3049 
3050 	while (fgets(buf, sizeof(buf), f)) {
3051 		bss = conf->last_bss;
3052 		line++;
3053 
3054 		if (buf[0] == '#')
3055 			continue;
3056 		pos = buf;
3057 		while (*pos != '\0') {
3058 			if (*pos == '\n') {
3059 				*pos = '\0';
3060 				break;
3061 			}
3062 			pos++;
3063 		}
3064 		if (buf[0] == '\0')
3065 			continue;
3066 
3067 		pos = os_strchr(buf, '=');
3068 		if (pos == NULL) {
3069 			wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3070 				   line, buf);
3071 			errors++;
3072 			continue;
3073 		}
3074 		*pos = '\0';
3075 		pos++;
3076 		errors += hostapd_config_fill(conf, bss, buf, pos, line);
3077 	}
3078 
3079 	fclose(f);
3080 
3081 	for (i = 0; i < conf->num_bss; i++)
3082 		hostapd_set_security_params(&conf->bss[i]);
3083 
3084 	if (hostapd_config_check(conf))
3085 		errors++;
3086 
3087 #ifndef WPA_IGNORE_CONFIG_ERRORS
3088 	if (errors) {
3089 		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3090 			   "'%s'", errors, fname);
3091 		hostapd_config_free(conf);
3092 		conf = NULL;
3093 	}
3094 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3095 
3096 	return conf;
3097 }
3098 
3099 
3100 int hostapd_set_iface(struct hostapd_config *conf,
3101 		      struct hostapd_bss_config *bss, char *field, char *value)
3102 {
3103 	int errors;
3104 	size_t i;
3105 
3106 	errors = hostapd_config_fill(conf, bss, field, value, 0);
3107 	if (errors) {
3108 		wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3109 			   "to value '%s'", field, value);
3110 		return -1;
3111 	}
3112 
3113 	for (i = 0; i < conf->num_bss; i++)
3114 		hostapd_set_security_params(&conf->bss[i]);
3115 
3116 	if (hostapd_config_check(conf)) {
3117 		wpa_printf(MSG_ERROR, "Configuration check failed");
3118 		return -1;
3119 	}
3120 
3121 	return 0;
3122 }
3123