xref: /freebsd/contrib/wpa/hostapd/config_file.c (revision a3cf0ef5a295c885c895fabfd56470c0d1db322d)
1 /*
2  * hostapd / Configuration file parser
3  * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  * Alternatively, this software may be distributed under the terms of BSD
10  * license.
11  *
12  * See README and COPYING for more details.
13  */
14 
15 #include "utils/includes.h"
16 #ifndef CONFIG_NATIVE_WINDOWS
17 #include <grp.h>
18 #endif /* CONFIG_NATIVE_WINDOWS */
19 
20 #include "utils/common.h"
21 #include "utils/uuid.h"
22 #include "common/ieee802_11_defs.h"
23 #include "drivers/driver.h"
24 #include "eap_server/eap.h"
25 #include "radius/radius_client.h"
26 #include "ap/wpa_auth.h"
27 #include "ap/ap_config.h"
28 #include "config_file.h"
29 
30 
31 extern struct wpa_driver_ops *wpa_drivers[];
32 
33 
34 #ifndef CONFIG_NO_VLAN
35 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
36 					 const char *fname)
37 {
38 	FILE *f;
39 	char buf[128], *pos, *pos2;
40 	int line = 0, vlan_id;
41 	struct hostapd_vlan *vlan;
42 
43 	f = fopen(fname, "r");
44 	if (!f) {
45 		wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
46 		return -1;
47 	}
48 
49 	while (fgets(buf, sizeof(buf), f)) {
50 		line++;
51 
52 		if (buf[0] == '#')
53 			continue;
54 		pos = buf;
55 		while (*pos != '\0') {
56 			if (*pos == '\n') {
57 				*pos = '\0';
58 				break;
59 			}
60 			pos++;
61 		}
62 		if (buf[0] == '\0')
63 			continue;
64 
65 		if (buf[0] == '*') {
66 			vlan_id = VLAN_ID_WILDCARD;
67 			pos = buf + 1;
68 		} else {
69 			vlan_id = strtol(buf, &pos, 10);
70 			if (buf == pos || vlan_id < 1 ||
71 			    vlan_id > MAX_VLAN_ID) {
72 				wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
73 					   "line %d in '%s'", line, fname);
74 				fclose(f);
75 				return -1;
76 			}
77 		}
78 
79 		while (*pos == ' ' || *pos == '\t')
80 			pos++;
81 		pos2 = pos;
82 		while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
83 			pos2++;
84 		*pos2 = '\0';
85 		if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
86 			wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
87 				   "in '%s'", line, fname);
88 			fclose(f);
89 			return -1;
90 		}
91 
92 		vlan = os_malloc(sizeof(*vlan));
93 		if (vlan == NULL) {
94 			wpa_printf(MSG_ERROR, "Out of memory while reading "
95 				   "VLAN interfaces from '%s'", fname);
96 			fclose(f);
97 			return -1;
98 		}
99 
100 		os_memset(vlan, 0, sizeof(*vlan));
101 		vlan->vlan_id = vlan_id;
102 		os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
103 		if (bss->vlan_tail)
104 			bss->vlan_tail->next = vlan;
105 		else
106 			bss->vlan = vlan;
107 		bss->vlan_tail = vlan;
108 	}
109 
110 	fclose(f);
111 
112 	return 0;
113 }
114 #endif /* CONFIG_NO_VLAN */
115 
116 
117 static int hostapd_acl_comp(const void *a, const void *b)
118 {
119 	const struct mac_acl_entry *aa = a;
120 	const struct mac_acl_entry *bb = b;
121 	return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
122 }
123 
124 
125 static int hostapd_config_read_maclist(const char *fname,
126 				       struct mac_acl_entry **acl, int *num)
127 {
128 	FILE *f;
129 	char buf[128], *pos;
130 	int line = 0;
131 	u8 addr[ETH_ALEN];
132 	struct mac_acl_entry *newacl;
133 	int vlan_id;
134 
135 	if (!fname)
136 		return 0;
137 
138 	f = fopen(fname, "r");
139 	if (!f) {
140 		wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
141 		return -1;
142 	}
143 
144 	while (fgets(buf, sizeof(buf), f)) {
145 		line++;
146 
147 		if (buf[0] == '#')
148 			continue;
149 		pos = buf;
150 		while (*pos != '\0') {
151 			if (*pos == '\n') {
152 				*pos = '\0';
153 				break;
154 			}
155 			pos++;
156 		}
157 		if (buf[0] == '\0')
158 			continue;
159 
160 		if (hwaddr_aton(buf, addr)) {
161 			wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
162 				   "line %d in '%s'", buf, line, fname);
163 			fclose(f);
164 			return -1;
165 		}
166 
167 		vlan_id = 0;
168 		pos = buf;
169 		while (*pos != '\0' && *pos != ' ' && *pos != '\t')
170 			pos++;
171 		while (*pos == ' ' || *pos == '\t')
172 			pos++;
173 		if (*pos != '\0')
174 			vlan_id = atoi(pos);
175 
176 		newacl = os_realloc(*acl, (*num + 1) * sizeof(**acl));
177 		if (newacl == NULL) {
178 			wpa_printf(MSG_ERROR, "MAC list reallocation failed");
179 			fclose(f);
180 			return -1;
181 		}
182 
183 		*acl = newacl;
184 		os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
185 		(*acl)[*num].vlan_id = vlan_id;
186 		(*num)++;
187 	}
188 
189 	fclose(f);
190 
191 	qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
192 
193 	return 0;
194 }
195 
196 
197 #ifdef EAP_SERVER
198 static int hostapd_config_read_eap_user(const char *fname,
199 					struct hostapd_bss_config *conf)
200 {
201 	FILE *f;
202 	char buf[512], *pos, *start, *pos2;
203 	int line = 0, ret = 0, num_methods;
204 	struct hostapd_eap_user *user, *tail = NULL;
205 
206 	if (!fname)
207 		return 0;
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_USER_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(*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 #endif /* CONFIG_NO_RADIUS */
501 
502 
503 static int hostapd_config_parse_key_mgmt(int line, const char *value)
504 {
505 	int val = 0, last;
506 	char *start, *end, *buf;
507 
508 	buf = os_strdup(value);
509 	if (buf == NULL)
510 		return -1;
511 	start = buf;
512 
513 	while (*start != '\0') {
514 		while (*start == ' ' || *start == '\t')
515 			start++;
516 		if (*start == '\0')
517 			break;
518 		end = start;
519 		while (*end != ' ' && *end != '\t' && *end != '\0')
520 			end++;
521 		last = *end == '\0';
522 		*end = '\0';
523 		if (os_strcmp(start, "WPA-PSK") == 0)
524 			val |= WPA_KEY_MGMT_PSK;
525 		else if (os_strcmp(start, "WPA-EAP") == 0)
526 			val |= WPA_KEY_MGMT_IEEE8021X;
527 #ifdef CONFIG_IEEE80211R
528 		else if (os_strcmp(start, "FT-PSK") == 0)
529 			val |= WPA_KEY_MGMT_FT_PSK;
530 		else if (os_strcmp(start, "FT-EAP") == 0)
531 			val |= WPA_KEY_MGMT_FT_IEEE8021X;
532 #endif /* CONFIG_IEEE80211R */
533 #ifdef CONFIG_IEEE80211W
534 		else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
535 			val |= WPA_KEY_MGMT_PSK_SHA256;
536 		else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
537 			val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
538 #endif /* CONFIG_IEEE80211W */
539 		else {
540 			wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
541 				   line, start);
542 			os_free(buf);
543 			return -1;
544 		}
545 
546 		if (last)
547 			break;
548 		start = end + 1;
549 	}
550 
551 	os_free(buf);
552 	if (val == 0) {
553 		wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
554 			   "configured.", line);
555 		return -1;
556 	}
557 
558 	return val;
559 }
560 
561 
562 static int hostapd_config_parse_cipher(int line, const char *value)
563 {
564 	int val = 0, last;
565 	char *start, *end, *buf;
566 
567 	buf = os_strdup(value);
568 	if (buf == NULL)
569 		return -1;
570 	start = buf;
571 
572 	while (*start != '\0') {
573 		while (*start == ' ' || *start == '\t')
574 			start++;
575 		if (*start == '\0')
576 			break;
577 		end = start;
578 		while (*end != ' ' && *end != '\t' && *end != '\0')
579 			end++;
580 		last = *end == '\0';
581 		*end = '\0';
582 		if (os_strcmp(start, "CCMP") == 0)
583 			val |= WPA_CIPHER_CCMP;
584 		else if (os_strcmp(start, "TKIP") == 0)
585 			val |= WPA_CIPHER_TKIP;
586 		else if (os_strcmp(start, "WEP104") == 0)
587 			val |= WPA_CIPHER_WEP104;
588 		else if (os_strcmp(start, "WEP40") == 0)
589 			val |= WPA_CIPHER_WEP40;
590 		else if (os_strcmp(start, "NONE") == 0)
591 			val |= WPA_CIPHER_NONE;
592 		else {
593 			wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
594 				   line, start);
595 			os_free(buf);
596 			return -1;
597 		}
598 
599 		if (last)
600 			break;
601 		start = end + 1;
602 	}
603 	os_free(buf);
604 
605 	if (val == 0) {
606 		wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
607 			   line);
608 		return -1;
609 	}
610 	return val;
611 }
612 
613 
614 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
615 				   char *val)
616 {
617 	size_t len = os_strlen(val);
618 
619 	if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
620 		return -1;
621 
622 	if (val[0] == '"') {
623 		if (len < 2 || val[len - 1] != '"')
624 			return -1;
625 		len -= 2;
626 		wep->key[keyidx] = os_malloc(len);
627 		if (wep->key[keyidx] == NULL)
628 			return -1;
629 		os_memcpy(wep->key[keyidx], val + 1, len);
630 		wep->len[keyidx] = len;
631 	} else {
632 		if (len & 1)
633 			return -1;
634 		len /= 2;
635 		wep->key[keyidx] = os_malloc(len);
636 		if (wep->key[keyidx] == NULL)
637 			return -1;
638 		wep->len[keyidx] = len;
639 		if (hexstr2bin(val, wep->key[keyidx], len) < 0)
640 			return -1;
641 	}
642 
643 	wep->keys_set++;
644 
645 	return 0;
646 }
647 
648 
649 static int hostapd_parse_rates(int **rate_list, char *val)
650 {
651 	int *list;
652 	int count;
653 	char *pos, *end;
654 
655 	os_free(*rate_list);
656 	*rate_list = NULL;
657 
658 	pos = val;
659 	count = 0;
660 	while (*pos != '\0') {
661 		if (*pos == ' ')
662 			count++;
663 		pos++;
664 	}
665 
666 	list = os_malloc(sizeof(int) * (count + 2));
667 	if (list == NULL)
668 		return -1;
669 	pos = val;
670 	count = 0;
671 	while (*pos != '\0') {
672 		end = os_strchr(pos, ' ');
673 		if (end)
674 			*end = '\0';
675 
676 		list[count++] = atoi(pos);
677 		if (!end)
678 			break;
679 		pos = end + 1;
680 	}
681 	list[count] = -1;
682 
683 	*rate_list = list;
684 	return 0;
685 }
686 
687 
688 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
689 {
690 	struct hostapd_bss_config *bss;
691 
692 	if (*ifname == '\0')
693 		return -1;
694 
695 	bss = os_realloc(conf->bss, (conf->num_bss + 1) *
696 			 sizeof(struct hostapd_bss_config));
697 	if (bss == NULL) {
698 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
699 			   "multi-BSS entry");
700 		return -1;
701 	}
702 	conf->bss = bss;
703 
704 	bss = &(conf->bss[conf->num_bss]);
705 	os_memset(bss, 0, sizeof(*bss));
706 	bss->radius = os_zalloc(sizeof(*bss->radius));
707 	if (bss->radius == NULL) {
708 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
709 			   "multi-BSS RADIUS data");
710 		return -1;
711 	}
712 
713 	conf->num_bss++;
714 	conf->last_bss = bss;
715 
716 	hostapd_config_defaults_bss(bss);
717 	os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
718 	os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
719 
720 	return 0;
721 }
722 
723 
724 /* convert floats with one decimal place to value*10 int, i.e.,
725  * "1.5" will return 15 */
726 static int hostapd_config_read_int10(const char *value)
727 {
728 	int i, d;
729 	char *pos;
730 
731 	i = atoi(value);
732 	pos = os_strchr(value, '.');
733 	d = 0;
734 	if (pos) {
735 		pos++;
736 		if (*pos >= '0' && *pos <= '9')
737 			d = *pos - '0';
738 	}
739 
740 	return i * 10 + d;
741 }
742 
743 
744 static int valid_cw(int cw)
745 {
746 	return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
747 		cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
748 }
749 
750 
751 enum {
752 	IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
753 	IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
754 	IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
755 	IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
756 	IEEE80211_TX_QUEUE_DATA4 = 4,
757 	IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
758 	IEEE80211_TX_QUEUE_BEACON = 7
759 };
760 
761 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
762 				   char *val)
763 {
764 	int num;
765 	char *pos;
766 	struct hostapd_tx_queue_params *queue;
767 
768 	/* skip 'tx_queue_' prefix */
769 	pos = name + 9;
770 	if (os_strncmp(pos, "data", 4) == 0 &&
771 	    pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
772 		num = pos[4] - '0';
773 		pos += 6;
774 	} else if (os_strncmp(pos, "after_beacon_", 13) == 0) {
775 		num = IEEE80211_TX_QUEUE_AFTER_BEACON;
776 		pos += 13;
777 	} else if (os_strncmp(pos, "beacon_", 7) == 0) {
778 		num = IEEE80211_TX_QUEUE_BEACON;
779 		pos += 7;
780 	} else {
781 		wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
782 		return -1;
783 	}
784 
785 	queue = &conf->tx_queue[num];
786 
787 	if (os_strcmp(pos, "aifs") == 0) {
788 		queue->aifs = atoi(val);
789 		if (queue->aifs < 0 || queue->aifs > 255) {
790 			wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
791 				   queue->aifs);
792 			return -1;
793 		}
794 	} else if (os_strcmp(pos, "cwmin") == 0) {
795 		queue->cwmin = atoi(val);
796 		if (!valid_cw(queue->cwmin)) {
797 			wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
798 				   queue->cwmin);
799 			return -1;
800 		}
801 	} else if (os_strcmp(pos, "cwmax") == 0) {
802 		queue->cwmax = atoi(val);
803 		if (!valid_cw(queue->cwmax)) {
804 			wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
805 				   queue->cwmax);
806 			return -1;
807 		}
808 	} else if (os_strcmp(pos, "burst") == 0) {
809 		queue->burst = hostapd_config_read_int10(val);
810 	} else {
811 		wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
812 		return -1;
813 	}
814 
815 	queue->configured = 1;
816 
817 	return 0;
818 }
819 
820 
821 static int hostapd_config_wmm_ac(struct hostapd_config *conf, char *name,
822 				 char *val)
823 {
824 	int num, v;
825 	char *pos;
826 	struct hostapd_wmm_ac_params *ac;
827 
828 	/* skip 'wme_ac_' or 'wmm_ac_' prefix */
829 	pos = name + 7;
830 	if (os_strncmp(pos, "be_", 3) == 0) {
831 		num = 0;
832 		pos += 3;
833 	} else if (os_strncmp(pos, "bk_", 3) == 0) {
834 		num = 1;
835 		pos += 3;
836 	} else if (os_strncmp(pos, "vi_", 3) == 0) {
837 		num = 2;
838 		pos += 3;
839 	} else if (os_strncmp(pos, "vo_", 3) == 0) {
840 		num = 3;
841 		pos += 3;
842 	} else {
843 		wpa_printf(MSG_ERROR, "Unknown WMM name '%s'", pos);
844 		return -1;
845 	}
846 
847 	ac = &conf->wmm_ac_params[num];
848 
849 	if (os_strcmp(pos, "aifs") == 0) {
850 		v = atoi(val);
851 		if (v < 1 || v > 255) {
852 			wpa_printf(MSG_ERROR, "Invalid AIFS value %d", v);
853 			return -1;
854 		}
855 		ac->aifs = v;
856 	} else if (os_strcmp(pos, "cwmin") == 0) {
857 		v = atoi(val);
858 		if (v < 0 || v > 12) {
859 			wpa_printf(MSG_ERROR, "Invalid cwMin value %d", v);
860 			return -1;
861 		}
862 		ac->cwmin = v;
863 	} else if (os_strcmp(pos, "cwmax") == 0) {
864 		v = atoi(val);
865 		if (v < 0 || v > 12) {
866 			wpa_printf(MSG_ERROR, "Invalid cwMax value %d", v);
867 			return -1;
868 		}
869 		ac->cwmax = v;
870 	} else if (os_strcmp(pos, "txop_limit") == 0) {
871 		v = atoi(val);
872 		if (v < 0 || v > 0xffff) {
873 			wpa_printf(MSG_ERROR, "Invalid txop value %d", v);
874 			return -1;
875 		}
876 		ac->txop_limit = v;
877 	} else if (os_strcmp(pos, "acm") == 0) {
878 		v = atoi(val);
879 		if (v < 0 || v > 1) {
880 			wpa_printf(MSG_ERROR, "Invalid acm value %d", v);
881 			return -1;
882 		}
883 		ac->admission_control_mandatory = v;
884 	} else {
885 		wpa_printf(MSG_ERROR, "Unknown wmm_ac_ field '%s'", pos);
886 		return -1;
887 	}
888 
889 	return 0;
890 }
891 
892 
893 #ifdef CONFIG_IEEE80211R
894 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
895 {
896 	struct ft_remote_r0kh *r0kh;
897 	char *pos, *next;
898 
899 	r0kh = os_zalloc(sizeof(*r0kh));
900 	if (r0kh == NULL)
901 		return -1;
902 
903 	/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
904 	pos = value;
905 	next = os_strchr(pos, ' ');
906 	if (next)
907 		*next++ = '\0';
908 	if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
909 		wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
910 		os_free(r0kh);
911 		return -1;
912 	}
913 
914 	pos = next;
915 	next = os_strchr(pos, ' ');
916 	if (next)
917 		*next++ = '\0';
918 	if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
919 		wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
920 		os_free(r0kh);
921 		return -1;
922 	}
923 	r0kh->id_len = next - pos - 1;
924 	os_memcpy(r0kh->id, pos, r0kh->id_len);
925 
926 	pos = next;
927 	if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
928 		wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
929 		os_free(r0kh);
930 		return -1;
931 	}
932 
933 	r0kh->next = bss->r0kh_list;
934 	bss->r0kh_list = r0kh;
935 
936 	return 0;
937 }
938 
939 
940 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
941 {
942 	struct ft_remote_r1kh *r1kh;
943 	char *pos, *next;
944 
945 	r1kh = os_zalloc(sizeof(*r1kh));
946 	if (r1kh == NULL)
947 		return -1;
948 
949 	/* 02:01:02:03:04:05 02:01:02:03:04:05
950 	 * 000102030405060708090a0b0c0d0e0f */
951 	pos = value;
952 	next = os_strchr(pos, ' ');
953 	if (next)
954 		*next++ = '\0';
955 	if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
956 		wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
957 		os_free(r1kh);
958 		return -1;
959 	}
960 
961 	pos = next;
962 	next = os_strchr(pos, ' ');
963 	if (next)
964 		*next++ = '\0';
965 	if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
966 		wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
967 		os_free(r1kh);
968 		return -1;
969 	}
970 
971 	pos = next;
972 	if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
973 		wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
974 		os_free(r1kh);
975 		return -1;
976 	}
977 
978 	r1kh->next = bss->r1kh_list;
979 	bss->r1kh_list = r1kh;
980 
981 	return 0;
982 }
983 #endif /* CONFIG_IEEE80211R */
984 
985 
986 #ifdef CONFIG_IEEE80211N
987 static int hostapd_config_ht_capab(struct hostapd_config *conf,
988 				   const char *capab)
989 {
990 	if (os_strstr(capab, "[LDPC]"))
991 		conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
992 	if (os_strstr(capab, "[HT40-]")) {
993 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
994 		conf->secondary_channel = -1;
995 	}
996 	if (os_strstr(capab, "[HT40+]")) {
997 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
998 		conf->secondary_channel = 1;
999 	}
1000 	if (os_strstr(capab, "[SMPS-STATIC]")) {
1001 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1002 		conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1003 	}
1004 	if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1005 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1006 		conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1007 	}
1008 	if (os_strstr(capab, "[GF]"))
1009 		conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1010 	if (os_strstr(capab, "[SHORT-GI-20]"))
1011 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1012 	if (os_strstr(capab, "[SHORT-GI-40]"))
1013 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1014 	if (os_strstr(capab, "[TX-STBC]"))
1015 		conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1016 	if (os_strstr(capab, "[RX-STBC1]")) {
1017 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1018 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1019 	}
1020 	if (os_strstr(capab, "[RX-STBC12]")) {
1021 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1022 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1023 	}
1024 	if (os_strstr(capab, "[RX-STBC123]")) {
1025 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1026 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1027 	}
1028 	if (os_strstr(capab, "[DELAYED-BA]"))
1029 		conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1030 	if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1031 		conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1032 	if (os_strstr(capab, "[DSSS_CCK-40]"))
1033 		conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1034 	if (os_strstr(capab, "[PSMP]"))
1035 		conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1036 	if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1037 		conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1038 
1039 	return 0;
1040 }
1041 #endif /* CONFIG_IEEE80211N */
1042 
1043 
1044 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1045 				    struct hostapd_config *conf)
1046 {
1047 	if (bss->ieee802_1x && !bss->eap_server &&
1048 	    !bss->radius->auth_servers) {
1049 		wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1050 			   "EAP authenticator configured).");
1051 		return -1;
1052 	}
1053 
1054 	if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1055 	    bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1056 	    bss->ssid.wpa_psk_file == NULL) {
1057 		wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1058 			   "is not configured.");
1059 		return -1;
1060 	}
1061 
1062 	if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1063 		size_t i;
1064 
1065 		for (i = 0; i < conf->num_bss; i++) {
1066 			if ((&conf->bss[i] != bss) &&
1067 			    (hostapd_mac_comp(conf->bss[i].bssid,
1068 					      bss->bssid) == 0)) {
1069 				wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1070 					   " on interface '%s' and '%s'.",
1071 					   MAC2STR(bss->bssid),
1072 					   conf->bss[i].iface, bss->iface);
1073 				return -1;
1074 			}
1075 		}
1076 	}
1077 
1078 #ifdef CONFIG_IEEE80211R
1079 	if ((bss->wpa_key_mgmt &
1080 	     (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
1081 	    (bss->nas_identifier == NULL ||
1082 	     os_strlen(bss->nas_identifier) < 1 ||
1083 	     os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1084 		wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1085 			   "nas_identifier to be configured as a 1..48 octet "
1086 			   "string");
1087 		return -1;
1088 	}
1089 #endif /* CONFIG_IEEE80211R */
1090 
1091 #ifdef CONFIG_IEEE80211N
1092 	if (conf->ieee80211n && bss->wpa &&
1093 	    !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1094 	    !(bss->rsn_pairwise & WPA_CIPHER_CCMP)) {
1095 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1096 			   "requires CCMP to be enabled");
1097 		return -1;
1098 	}
1099 #endif /* CONFIG_IEEE80211N */
1100 
1101 	return 0;
1102 }
1103 
1104 
1105 static int hostapd_config_check(struct hostapd_config *conf)
1106 {
1107 	size_t i;
1108 
1109 	if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1110 		wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1111 			   "setting the country_code");
1112 		return -1;
1113 	}
1114 
1115 	for (i = 0; i < conf->num_bss; i++) {
1116 		if (hostapd_config_check_bss(&conf->bss[i], conf))
1117 			return -1;
1118 	}
1119 
1120 	return 0;
1121 }
1122 
1123 
1124 /**
1125  * hostapd_config_read - Read and parse a configuration file
1126  * @fname: Configuration file name (including path, if needed)
1127  * Returns: Allocated configuration data structure
1128  */
1129 struct hostapd_config * hostapd_config_read(const char *fname)
1130 {
1131 	struct hostapd_config *conf;
1132 	struct hostapd_bss_config *bss;
1133 	FILE *f;
1134 	char buf[256], *pos;
1135 	int line = 0;
1136 	int errors = 0;
1137 	int pairwise;
1138 	size_t i;
1139 
1140 	f = fopen(fname, "r");
1141 	if (f == NULL) {
1142 		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
1143 			   "for reading.", fname);
1144 		return NULL;
1145 	}
1146 
1147 	conf = hostapd_config_defaults();
1148 	if (conf == NULL) {
1149 		fclose(f);
1150 		return NULL;
1151 	}
1152 
1153 	/* set default driver based on configuration */
1154 	conf->driver = wpa_drivers[0];
1155 	if (conf->driver == NULL) {
1156 		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
1157 		hostapd_config_free(conf);
1158 		fclose(f);
1159 		return NULL;
1160 	}
1161 
1162 	bss = conf->last_bss = conf->bss;
1163 
1164 	while (fgets(buf, sizeof(buf), f)) {
1165 		bss = conf->last_bss;
1166 		line++;
1167 
1168 		if (buf[0] == '#')
1169 			continue;
1170 		pos = buf;
1171 		while (*pos != '\0') {
1172 			if (*pos == '\n') {
1173 				*pos = '\0';
1174 				break;
1175 			}
1176 			pos++;
1177 		}
1178 		if (buf[0] == '\0')
1179 			continue;
1180 
1181 		pos = os_strchr(buf, '=');
1182 		if (pos == NULL) {
1183 			wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
1184 				   line, buf);
1185 			errors++;
1186 			continue;
1187 		}
1188 		*pos = '\0';
1189 		pos++;
1190 
1191 		if (os_strcmp(buf, "interface") == 0) {
1192 			os_strlcpy(conf->bss[0].iface, pos,
1193 				   sizeof(conf->bss[0].iface));
1194 		} else if (os_strcmp(buf, "bridge") == 0) {
1195 			os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1196 		} else if (os_strcmp(buf, "driver") == 0) {
1197 			int j;
1198 			/* clear to get error below if setting is invalid */
1199 			conf->driver = NULL;
1200 			for (j = 0; wpa_drivers[j]; j++) {
1201 				if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1202 				{
1203 					conf->driver = wpa_drivers[j];
1204 					break;
1205 				}
1206 			}
1207 			if (conf->driver == NULL) {
1208 				wpa_printf(MSG_ERROR, "Line %d: invalid/"
1209 					   "unknown driver '%s'", line, pos);
1210 				errors++;
1211 			}
1212 		} else if (os_strcmp(buf, "debug") == 0) {
1213 			wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1214 				   "configuration variable is not used "
1215 				   "anymore", line);
1216 		} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1217 			bss->logger_syslog_level = atoi(pos);
1218 		} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1219 			bss->logger_stdout_level = atoi(pos);
1220 		} else if (os_strcmp(buf, "logger_syslog") == 0) {
1221 			bss->logger_syslog = atoi(pos);
1222 		} else if (os_strcmp(buf, "logger_stdout") == 0) {
1223 			bss->logger_stdout = atoi(pos);
1224 		} else if (os_strcmp(buf, "dump_file") == 0) {
1225 			bss->dump_log_name = os_strdup(pos);
1226 		} else if (os_strcmp(buf, "ssid") == 0) {
1227 			bss->ssid.ssid_len = os_strlen(pos);
1228 			if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1229 			    bss->ssid.ssid_len < 1) {
1230 				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1231 					   "'%s'", line, pos);
1232 				errors++;
1233 			} else {
1234 				os_memcpy(bss->ssid.ssid, pos,
1235 					  bss->ssid.ssid_len);
1236 				bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1237 				bss->ssid.ssid_set = 1;
1238 			}
1239 		} else if (os_strcmp(buf, "macaddr_acl") == 0) {
1240 			bss->macaddr_acl = atoi(pos);
1241 			if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1242 			    bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1243 			    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1244 				wpa_printf(MSG_ERROR, "Line %d: unknown "
1245 					   "macaddr_acl %d",
1246 					   line, bss->macaddr_acl);
1247 			}
1248 		} else if (os_strcmp(buf, "accept_mac_file") == 0) {
1249 			if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1250 							&bss->num_accept_mac))
1251 			{
1252 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1253 					   "read accept_mac_file '%s'",
1254 					   line, pos);
1255 				errors++;
1256 			}
1257 		} else if (os_strcmp(buf, "deny_mac_file") == 0) {
1258 			if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1259 							&bss->num_deny_mac)) {
1260 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1261 					   "read deny_mac_file '%s'",
1262 					   line, pos);
1263 				errors++;
1264 			}
1265 		} else if (os_strcmp(buf, "wds_sta") == 0) {
1266 			bss->wds_sta = atoi(pos);
1267 		} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1268 			bss->ap_max_inactivity = atoi(pos);
1269 		} else if (os_strcmp(buf, "country_code") == 0) {
1270 			os_memcpy(conf->country, pos, 2);
1271 			/* FIX: make this configurable */
1272 			conf->country[2] = ' ';
1273 		} else if (os_strcmp(buf, "ieee80211d") == 0) {
1274 			conf->ieee80211d = atoi(pos);
1275 		} else if (os_strcmp(buf, "ieee8021x") == 0) {
1276 			bss->ieee802_1x = atoi(pos);
1277 		} else if (os_strcmp(buf, "eapol_version") == 0) {
1278 			bss->eapol_version = atoi(pos);
1279 			if (bss->eapol_version < 1 ||
1280 			    bss->eapol_version > 2) {
1281 				wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1282 					   "version (%d): '%s'.",
1283 					   line, bss->eapol_version, pos);
1284 				errors++;
1285 			} else
1286 				wpa_printf(MSG_DEBUG, "eapol_version=%d",
1287 					   bss->eapol_version);
1288 #ifdef EAP_SERVER
1289 		} else if (os_strcmp(buf, "eap_authenticator") == 0) {
1290 			bss->eap_server = atoi(pos);
1291 			wpa_printf(MSG_ERROR, "Line %d: obsolete "
1292 				   "eap_authenticator used; this has been "
1293 				   "renamed to eap_server", line);
1294 		} else if (os_strcmp(buf, "eap_server") == 0) {
1295 			bss->eap_server = atoi(pos);
1296 		} else if (os_strcmp(buf, "eap_user_file") == 0) {
1297 			if (hostapd_config_read_eap_user(pos, bss))
1298 				errors++;
1299 		} else if (os_strcmp(buf, "ca_cert") == 0) {
1300 			os_free(bss->ca_cert);
1301 			bss->ca_cert = os_strdup(pos);
1302 		} else if (os_strcmp(buf, "server_cert") == 0) {
1303 			os_free(bss->server_cert);
1304 			bss->server_cert = os_strdup(pos);
1305 		} else if (os_strcmp(buf, "private_key") == 0) {
1306 			os_free(bss->private_key);
1307 			bss->private_key = os_strdup(pos);
1308 		} else if (os_strcmp(buf, "private_key_passwd") == 0) {
1309 			os_free(bss->private_key_passwd);
1310 			bss->private_key_passwd = os_strdup(pos);
1311 		} else if (os_strcmp(buf, "check_crl") == 0) {
1312 			bss->check_crl = atoi(pos);
1313 		} else if (os_strcmp(buf, "dh_file") == 0) {
1314 			os_free(bss->dh_file);
1315 			bss->dh_file = os_strdup(pos);
1316 #ifdef EAP_SERVER_FAST
1317 		} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1318 			os_free(bss->pac_opaque_encr_key);
1319 			bss->pac_opaque_encr_key = os_malloc(16);
1320 			if (bss->pac_opaque_encr_key == NULL) {
1321 				wpa_printf(MSG_ERROR, "Line %d: No memory for "
1322 					   "pac_opaque_encr_key", line);
1323 				errors++;
1324 			} else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1325 					      16)) {
1326 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1327 					   "pac_opaque_encr_key", line);
1328 				errors++;
1329 			}
1330 		} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1331 			size_t idlen = os_strlen(pos);
1332 			if (idlen & 1) {
1333 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1334 					   "eap_fast_a_id", line);
1335 				errors++;
1336 			} else {
1337 				os_free(bss->eap_fast_a_id);
1338 				bss->eap_fast_a_id = os_malloc(idlen / 2);
1339 				if (bss->eap_fast_a_id == NULL ||
1340 				    hexstr2bin(pos, bss->eap_fast_a_id,
1341 					       idlen / 2)) {
1342 					wpa_printf(MSG_ERROR, "Line %d: "
1343 						   "Failed to parse "
1344 						   "eap_fast_a_id", line);
1345 					errors++;
1346 				} else
1347 					bss->eap_fast_a_id_len = idlen / 2;
1348 			}
1349 		} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1350 			os_free(bss->eap_fast_a_id_info);
1351 			bss->eap_fast_a_id_info = os_strdup(pos);
1352 		} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1353 			bss->eap_fast_prov = atoi(pos);
1354 		} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1355 			bss->pac_key_lifetime = atoi(pos);
1356 		} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1357 			bss->pac_key_refresh_time = atoi(pos);
1358 #endif /* EAP_SERVER_FAST */
1359 #ifdef EAP_SERVER_SIM
1360 		} else if (os_strcmp(buf, "eap_sim_db") == 0) {
1361 			os_free(bss->eap_sim_db);
1362 			bss->eap_sim_db = os_strdup(pos);
1363 		} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1364 			bss->eap_sim_aka_result_ind = atoi(pos);
1365 #endif /* EAP_SERVER_SIM */
1366 #ifdef EAP_SERVER_TNC
1367 		} else if (os_strcmp(buf, "tnc") == 0) {
1368 			bss->tnc = atoi(pos);
1369 #endif /* EAP_SERVER_TNC */
1370 #endif /* EAP_SERVER */
1371 		} else if (os_strcmp(buf, "eap_message") == 0) {
1372 			char *term;
1373 			bss->eap_req_id_text = os_strdup(pos);
1374 			if (bss->eap_req_id_text == NULL) {
1375 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1376 					   "allocate memory for "
1377 					   "eap_req_id_text", line);
1378 				errors++;
1379 				continue;
1380 			}
1381 			bss->eap_req_id_text_len =
1382 				os_strlen(bss->eap_req_id_text);
1383 			term = os_strstr(bss->eap_req_id_text, "\\0");
1384 			if (term) {
1385 				*term++ = '\0';
1386 				os_memmove(term, term + 1,
1387 					   bss->eap_req_id_text_len -
1388 					   (term - bss->eap_req_id_text) - 1);
1389 				bss->eap_req_id_text_len--;
1390 			}
1391 		} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1392 			bss->default_wep_key_len = atoi(pos);
1393 			if (bss->default_wep_key_len > 13) {
1394 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1395 					   "key len %lu (= %lu bits)", line,
1396 					   (unsigned long)
1397 					   bss->default_wep_key_len,
1398 					   (unsigned long)
1399 					   bss->default_wep_key_len * 8);
1400 				errors++;
1401 			}
1402 		} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1403 			bss->individual_wep_key_len = atoi(pos);
1404 			if (bss->individual_wep_key_len < 0 ||
1405 			    bss->individual_wep_key_len > 13) {
1406 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1407 					   "key len %d (= %d bits)", line,
1408 					   bss->individual_wep_key_len,
1409 					   bss->individual_wep_key_len * 8);
1410 				errors++;
1411 			}
1412 		} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1413 			bss->wep_rekeying_period = atoi(pos);
1414 			if (bss->wep_rekeying_period < 0) {
1415 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1416 					   "period %d",
1417 					   line, bss->wep_rekeying_period);
1418 				errors++;
1419 			}
1420 		} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1421 			bss->eap_reauth_period = atoi(pos);
1422 			if (bss->eap_reauth_period < 0) {
1423 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1424 					   "period %d",
1425 					   line, bss->eap_reauth_period);
1426 				errors++;
1427 			}
1428 		} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1429 			bss->eapol_key_index_workaround = atoi(pos);
1430 #ifdef CONFIG_IAPP
1431 		} else if (os_strcmp(buf, "iapp_interface") == 0) {
1432 			bss->ieee802_11f = 1;
1433 			os_strlcpy(bss->iapp_iface, pos,
1434 				   sizeof(bss->iapp_iface));
1435 #endif /* CONFIG_IAPP */
1436 		} else if (os_strcmp(buf, "own_ip_addr") == 0) {
1437 			if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1438 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1439 					   "address '%s'", line, pos);
1440 				errors++;
1441 			}
1442 		} else if (os_strcmp(buf, "nas_identifier") == 0) {
1443 			bss->nas_identifier = os_strdup(pos);
1444 #ifndef CONFIG_NO_RADIUS
1445 		} else if (os_strcmp(buf, "auth_server_addr") == 0) {
1446 			if (hostapd_config_read_radius_addr(
1447 				    &bss->radius->auth_servers,
1448 				    &bss->radius->num_auth_servers, pos, 1812,
1449 				    &bss->radius->auth_server)) {
1450 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1451 					   "address '%s'", line, pos);
1452 				errors++;
1453 			}
1454 		} else if (bss->radius->auth_server &&
1455 			   os_strcmp(buf, "auth_server_port") == 0) {
1456 			bss->radius->auth_server->port = atoi(pos);
1457 		} else if (bss->radius->auth_server &&
1458 			   os_strcmp(buf, "auth_server_shared_secret") == 0) {
1459 			int len = os_strlen(pos);
1460 			if (len == 0) {
1461 				/* RFC 2865, Ch. 3 */
1462 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
1463 					   "secret is not allowed.", line);
1464 				errors++;
1465 			}
1466 			bss->radius->auth_server->shared_secret =
1467 				(u8 *) os_strdup(pos);
1468 			bss->radius->auth_server->shared_secret_len = len;
1469 		} else if (os_strcmp(buf, "acct_server_addr") == 0) {
1470 			if (hostapd_config_read_radius_addr(
1471 				    &bss->radius->acct_servers,
1472 				    &bss->radius->num_acct_servers, pos, 1813,
1473 				    &bss->radius->acct_server)) {
1474 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1475 					   "address '%s'", line, pos);
1476 				errors++;
1477 			}
1478 		} else if (bss->radius->acct_server &&
1479 			   os_strcmp(buf, "acct_server_port") == 0) {
1480 			bss->radius->acct_server->port = atoi(pos);
1481 		} else if (bss->radius->acct_server &&
1482 			   os_strcmp(buf, "acct_server_shared_secret") == 0) {
1483 			int len = os_strlen(pos);
1484 			if (len == 0) {
1485 				/* RFC 2865, Ch. 3 */
1486 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
1487 					   "secret is not allowed.", line);
1488 				errors++;
1489 			}
1490 			bss->radius->acct_server->shared_secret =
1491 				(u8 *) os_strdup(pos);
1492 			bss->radius->acct_server->shared_secret_len = len;
1493 		} else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1494 			   0) {
1495 			bss->radius->retry_primary_interval = atoi(pos);
1496 		} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1497 		{
1498 			bss->acct_interim_interval = atoi(pos);
1499 #endif /* CONFIG_NO_RADIUS */
1500 		} else if (os_strcmp(buf, "auth_algs") == 0) {
1501 			bss->auth_algs = atoi(pos);
1502 			if (bss->auth_algs == 0) {
1503 				wpa_printf(MSG_ERROR, "Line %d: no "
1504 					   "authentication algorithms allowed",
1505 					   line);
1506 				errors++;
1507 			}
1508 		} else if (os_strcmp(buf, "max_num_sta") == 0) {
1509 			bss->max_num_sta = atoi(pos);
1510 			if (bss->max_num_sta < 0 ||
1511 			    bss->max_num_sta > MAX_STA_COUNT) {
1512 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1513 					   "max_num_sta=%d; allowed range "
1514 					   "0..%d", line, bss->max_num_sta,
1515 					   MAX_STA_COUNT);
1516 				errors++;
1517 			}
1518 		} else if (os_strcmp(buf, "wpa") == 0) {
1519 			bss->wpa = atoi(pos);
1520 		} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1521 			bss->wpa_group_rekey = atoi(pos);
1522 		} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1523 			bss->wpa_strict_rekey = atoi(pos);
1524 		} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1525 			bss->wpa_gmk_rekey = atoi(pos);
1526 		} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
1527 			bss->wpa_ptk_rekey = atoi(pos);
1528 		} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1529 			int len = os_strlen(pos);
1530 			if (len < 8 || len > 63) {
1531 				wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
1532 					   "passphrase length %d (expected "
1533 					   "8..63)", line, len);
1534 				errors++;
1535 			} else {
1536 				os_free(bss->ssid.wpa_passphrase);
1537 				bss->ssid.wpa_passphrase = os_strdup(pos);
1538 			}
1539 		} else if (os_strcmp(buf, "wpa_psk") == 0) {
1540 			os_free(bss->ssid.wpa_psk);
1541 			bss->ssid.wpa_psk =
1542 				os_zalloc(sizeof(struct hostapd_wpa_psk));
1543 			if (bss->ssid.wpa_psk == NULL)
1544 				errors++;
1545 			else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1546 					    PMK_LEN) ||
1547 				 pos[PMK_LEN * 2] != '\0') {
1548 				wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
1549 					   "'%s'.", line, pos);
1550 				errors++;
1551 			} else {
1552 				bss->ssid.wpa_psk->group = 1;
1553 			}
1554 		} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1555 			os_free(bss->ssid.wpa_psk_file);
1556 			bss->ssid.wpa_psk_file = os_strdup(pos);
1557 			if (!bss->ssid.wpa_psk_file) {
1558 				wpa_printf(MSG_ERROR, "Line %d: allocation "
1559 					   "failed", line);
1560 				errors++;
1561 			}
1562 		} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1563 			bss->wpa_key_mgmt =
1564 				hostapd_config_parse_key_mgmt(line, pos);
1565 			if (bss->wpa_key_mgmt == -1)
1566 				errors++;
1567 		} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1568 			bss->wpa_pairwise =
1569 				hostapd_config_parse_cipher(line, pos);
1570 			if (bss->wpa_pairwise == -1 ||
1571 			    bss->wpa_pairwise == 0)
1572 				errors++;
1573 			else if (bss->wpa_pairwise &
1574 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1575 				  WPA_CIPHER_WEP104)) {
1576 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
1577 					   "pairwise cipher suite '%s'",
1578 					   bss->wpa_pairwise, pos);
1579 				errors++;
1580 			}
1581 		} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1582 			bss->rsn_pairwise =
1583 				hostapd_config_parse_cipher(line, pos);
1584 			if (bss->rsn_pairwise == -1 ||
1585 			    bss->rsn_pairwise == 0)
1586 				errors++;
1587 			else if (bss->rsn_pairwise &
1588 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1589 				  WPA_CIPHER_WEP104)) {
1590 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
1591 					   "pairwise cipher suite '%s'",
1592 					   bss->rsn_pairwise, pos);
1593 				errors++;
1594 			}
1595 #ifdef CONFIG_RSN_PREAUTH
1596 		} else if (os_strcmp(buf, "rsn_preauth") == 0) {
1597 			bss->rsn_preauth = atoi(pos);
1598 		} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1599 			bss->rsn_preauth_interfaces = os_strdup(pos);
1600 #endif /* CONFIG_RSN_PREAUTH */
1601 #ifdef CONFIG_PEERKEY
1602 		} else if (os_strcmp(buf, "peerkey") == 0) {
1603 			bss->peerkey = atoi(pos);
1604 #endif /* CONFIG_PEERKEY */
1605 #ifdef CONFIG_IEEE80211R
1606 		} else if (os_strcmp(buf, "mobility_domain") == 0) {
1607 			if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1608 			    hexstr2bin(pos, bss->mobility_domain,
1609 				       MOBILITY_DOMAIN_ID_LEN) != 0) {
1610 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1611 					   "mobility_domain '%s'", line, pos);
1612 				errors++;
1613 				continue;
1614 			}
1615 		} else if (os_strcmp(buf, "r1_key_holder") == 0) {
1616 			if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1617 			    hexstr2bin(pos, bss->r1_key_holder,
1618 				       FT_R1KH_ID_LEN) != 0) {
1619 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1620 					   "r1_key_holder '%s'", line, pos);
1621 				errors++;
1622 				continue;
1623 			}
1624 		} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1625 			bss->r0_key_lifetime = atoi(pos);
1626 		} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1627 			bss->reassociation_deadline = atoi(pos);
1628 		} else if (os_strcmp(buf, "r0kh") == 0) {
1629 			if (add_r0kh(bss, pos) < 0) {
1630 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1631 					   "r0kh '%s'", line, pos);
1632 				errors++;
1633 				continue;
1634 			}
1635 		} else if (os_strcmp(buf, "r1kh") == 0) {
1636 			if (add_r1kh(bss, pos) < 0) {
1637 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1638 					   "r1kh '%s'", line, pos);
1639 				errors++;
1640 				continue;
1641 			}
1642 		} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1643 			bss->pmk_r1_push = atoi(pos);
1644 #endif /* CONFIG_IEEE80211R */
1645 #ifndef CONFIG_NO_CTRL_IFACE
1646 		} else if (os_strcmp(buf, "ctrl_interface") == 0) {
1647 			os_free(bss->ctrl_interface);
1648 			bss->ctrl_interface = os_strdup(pos);
1649 		} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1650 #ifndef CONFIG_NATIVE_WINDOWS
1651 			struct group *grp;
1652 			char *endp;
1653 			const char *group = pos;
1654 
1655 			grp = getgrnam(group);
1656 			if (grp) {
1657 				bss->ctrl_interface_gid = grp->gr_gid;
1658 				bss->ctrl_interface_gid_set = 1;
1659 				wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1660 					   " (from group name '%s')",
1661 					   bss->ctrl_interface_gid, group);
1662 				continue;
1663 			}
1664 
1665 			/* Group name not found - try to parse this as gid */
1666 			bss->ctrl_interface_gid = strtol(group, &endp, 10);
1667 			if (*group == '\0' || *endp != '\0') {
1668 				wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1669 					   "'%s'", line, group);
1670 				errors++;
1671 				continue;
1672 			}
1673 			bss->ctrl_interface_gid_set = 1;
1674 			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1675 				   bss->ctrl_interface_gid);
1676 #endif /* CONFIG_NATIVE_WINDOWS */
1677 #endif /* CONFIG_NO_CTRL_IFACE */
1678 #ifdef RADIUS_SERVER
1679 		} else if (os_strcmp(buf, "radius_server_clients") == 0) {
1680 			os_free(bss->radius_server_clients);
1681 			bss->radius_server_clients = os_strdup(pos);
1682 		} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1683 			bss->radius_server_auth_port = atoi(pos);
1684 		} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1685 			bss->radius_server_ipv6 = atoi(pos);
1686 #endif /* RADIUS_SERVER */
1687 		} else if (os_strcmp(buf, "test_socket") == 0) {
1688 			os_free(bss->test_socket);
1689 			bss->test_socket = os_strdup(pos);
1690 		} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1691 			bss->use_pae_group_addr = atoi(pos);
1692 		} else if (os_strcmp(buf, "hw_mode") == 0) {
1693 			if (os_strcmp(pos, "a") == 0)
1694 				conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1695 			else if (os_strcmp(pos, "b") == 0)
1696 				conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1697 			else if (os_strcmp(pos, "g") == 0)
1698 				conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1699 			else {
1700 				wpa_printf(MSG_ERROR, "Line %d: unknown "
1701 					   "hw_mode '%s'", line, pos);
1702 				errors++;
1703 			}
1704 		} else if (os_strcmp(buf, "channel") == 0) {
1705 			conf->channel = atoi(pos);
1706 		} else if (os_strcmp(buf, "beacon_int") == 0) {
1707 			int val = atoi(pos);
1708 			/* MIB defines range as 1..65535, but very small values
1709 			 * cause problems with the current implementation.
1710 			 * Since it is unlikely that this small numbers are
1711 			 * useful in real life scenarios, do not allow beacon
1712 			 * period to be set below 15 TU. */
1713 			if (val < 15 || val > 65535) {
1714 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1715 					   "beacon_int %d (expected "
1716 					   "15..65535)", line, val);
1717 				errors++;
1718 			} else
1719 				conf->beacon_int = val;
1720 		} else if (os_strcmp(buf, "dtim_period") == 0) {
1721 			bss->dtim_period = atoi(pos);
1722 			if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1723 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1724 					   "dtim_period %d",
1725 					   line, bss->dtim_period);
1726 				errors++;
1727 			}
1728 		} else if (os_strcmp(buf, "rts_threshold") == 0) {
1729 			conf->rts_threshold = atoi(pos);
1730 			if (conf->rts_threshold < 0 ||
1731 			    conf->rts_threshold > 2347) {
1732 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1733 					   "rts_threshold %d",
1734 					   line, conf->rts_threshold);
1735 				errors++;
1736 			}
1737 		} else if (os_strcmp(buf, "fragm_threshold") == 0) {
1738 			conf->fragm_threshold = atoi(pos);
1739 			if (conf->fragm_threshold < 256 ||
1740 			    conf->fragm_threshold > 2346) {
1741 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1742 					   "fragm_threshold %d",
1743 					   line, conf->fragm_threshold);
1744 				errors++;
1745 			}
1746 		} else if (os_strcmp(buf, "send_probe_response") == 0) {
1747 			int val = atoi(pos);
1748 			if (val != 0 && val != 1) {
1749 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1750 					   "send_probe_response %d (expected "
1751 					   "0 or 1)", line, val);
1752 			} else
1753 				conf->send_probe_response = val;
1754 		} else if (os_strcmp(buf, "supported_rates") == 0) {
1755 			if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1756 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1757 					   "list", line);
1758 				errors++;
1759 			}
1760 		} else if (os_strcmp(buf, "basic_rates") == 0) {
1761 			if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1762 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1763 					   "list", line);
1764 				errors++;
1765 			}
1766 		} else if (os_strcmp(buf, "preamble") == 0) {
1767 			if (atoi(pos))
1768 				conf->preamble = SHORT_PREAMBLE;
1769 			else
1770 				conf->preamble = LONG_PREAMBLE;
1771 		} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1772 			bss->ignore_broadcast_ssid = atoi(pos);
1773 		} else if (os_strcmp(buf, "wep_default_key") == 0) {
1774 			bss->ssid.wep.idx = atoi(pos);
1775 			if (bss->ssid.wep.idx > 3) {
1776 				wpa_printf(MSG_ERROR, "Invalid "
1777 					   "wep_default_key index %d",
1778 					   bss->ssid.wep.idx);
1779 				errors++;
1780 			}
1781 		} else if (os_strcmp(buf, "wep_key0") == 0 ||
1782 			   os_strcmp(buf, "wep_key1") == 0 ||
1783 			   os_strcmp(buf, "wep_key2") == 0 ||
1784 			   os_strcmp(buf, "wep_key3") == 0) {
1785 			if (hostapd_config_read_wep(&bss->ssid.wep,
1786 						    buf[7] - '0', pos)) {
1787 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1788 					   "key '%s'", line, buf);
1789 				errors++;
1790 			}
1791 #ifndef CONFIG_NO_VLAN
1792 		} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1793 			bss->ssid.dynamic_vlan = atoi(pos);
1794 		} else if (os_strcmp(buf, "vlan_file") == 0) {
1795 			if (hostapd_config_read_vlan_file(bss, pos)) {
1796 				wpa_printf(MSG_ERROR, "Line %d: failed to "
1797 					   "read VLAN file '%s'", line, pos);
1798 				errors++;
1799 			}
1800 #ifdef CONFIG_FULL_DYNAMIC_VLAN
1801 		} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1802 			bss->ssid.vlan_tagged_interface = os_strdup(pos);
1803 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
1804 #endif /* CONFIG_NO_VLAN */
1805 		} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1806 			conf->ap_table_max_size = atoi(pos);
1807 		} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1808 			conf->ap_table_expiration_time = atoi(pos);
1809 		} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1810 			if (hostapd_config_tx_queue(conf, buf, pos)) {
1811 				wpa_printf(MSG_ERROR, "Line %d: invalid TX "
1812 					   "queue item", line);
1813 				errors++;
1814 			}
1815 		} else if (os_strcmp(buf, "wme_enabled") == 0 ||
1816 			   os_strcmp(buf, "wmm_enabled") == 0) {
1817 			bss->wmm_enabled = atoi(pos);
1818 		} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
1819 			bss->wmm_uapsd = atoi(pos);
1820 		} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
1821 			   os_strncmp(buf, "wmm_ac_", 7) == 0) {
1822 			if (hostapd_config_wmm_ac(conf, buf, pos)) {
1823 				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
1824 					   "ac item", line);
1825 				errors++;
1826 			}
1827 		} else if (os_strcmp(buf, "bss") == 0) {
1828 			if (hostapd_config_bss(conf, pos)) {
1829 				wpa_printf(MSG_ERROR, "Line %d: invalid bss "
1830 					   "item", line);
1831 				errors++;
1832 			}
1833 		} else if (os_strcmp(buf, "bssid") == 0) {
1834 			if (hwaddr_aton(pos, bss->bssid)) {
1835 				wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
1836 					   "item", line);
1837 				errors++;
1838 			}
1839 #ifdef CONFIG_IEEE80211W
1840 		} else if (os_strcmp(buf, "ieee80211w") == 0) {
1841 			bss->ieee80211w = atoi(pos);
1842 		} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
1843 			bss->assoc_sa_query_max_timeout = atoi(pos);
1844 			if (bss->assoc_sa_query_max_timeout == 0) {
1845 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1846 					   "assoc_sa_query_max_timeout", line);
1847 				errors++;
1848 			}
1849 		} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
1850 		{
1851 			bss->assoc_sa_query_retry_timeout = atoi(pos);
1852 			if (bss->assoc_sa_query_retry_timeout == 0) {
1853 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1854 					   "assoc_sa_query_retry_timeout",
1855 					   line);
1856 				errors++;
1857 			}
1858 #endif /* CONFIG_IEEE80211W */
1859 #ifdef CONFIG_IEEE80211N
1860 		} else if (os_strcmp(buf, "ieee80211n") == 0) {
1861 			conf->ieee80211n = atoi(pos);
1862 		} else if (os_strcmp(buf, "ht_capab") == 0) {
1863 			if (hostapd_config_ht_capab(conf, pos) < 0) {
1864 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1865 					   "ht_capab", line);
1866 				errors++;
1867 			}
1868 #endif /* CONFIG_IEEE80211N */
1869 		} else if (os_strcmp(buf, "max_listen_interval") == 0) {
1870 			bss->max_listen_interval = atoi(pos);
1871 		} else if (os_strcmp(buf, "okc") == 0) {
1872 			bss->okc = atoi(pos);
1873 #ifdef CONFIG_WPS
1874 		} else if (os_strcmp(buf, "wps_state") == 0) {
1875 			bss->wps_state = atoi(pos);
1876 			if (bss->wps_state < 0 || bss->wps_state > 2) {
1877 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1878 					   "wps_state", line);
1879 				errors++;
1880 			}
1881 		} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
1882 			bss->ap_setup_locked = atoi(pos);
1883 		} else if (os_strcmp(buf, "uuid") == 0) {
1884 			if (uuid_str2bin(pos, bss->uuid)) {
1885 				wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
1886 					   line);
1887 				errors++;
1888 			}
1889 		} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
1890 			os_free(bss->wps_pin_requests);
1891 			bss->wps_pin_requests = os_strdup(pos);
1892 		} else if (os_strcmp(buf, "device_name") == 0) {
1893 			if (os_strlen(pos) > 32) {
1894 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1895 					   "device_name", line);
1896 				errors++;
1897 			}
1898 			os_free(bss->device_name);
1899 			bss->device_name = os_strdup(pos);
1900 		} else if (os_strcmp(buf, "manufacturer") == 0) {
1901 			if (os_strlen(pos) > 64) {
1902 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1903 					   "manufacturer", line);
1904 				errors++;
1905 			}
1906 			os_free(bss->manufacturer);
1907 			bss->manufacturer = os_strdup(pos);
1908 		} else if (os_strcmp(buf, "model_name") == 0) {
1909 			if (os_strlen(pos) > 32) {
1910 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1911 					   "model_name", line);
1912 				errors++;
1913 			}
1914 			os_free(bss->model_name);
1915 			bss->model_name = os_strdup(pos);
1916 		} else if (os_strcmp(buf, "model_number") == 0) {
1917 			if (os_strlen(pos) > 32) {
1918 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1919 					   "model_number", line);
1920 				errors++;
1921 			}
1922 			os_free(bss->model_number);
1923 			bss->model_number = os_strdup(pos);
1924 		} else if (os_strcmp(buf, "serial_number") == 0) {
1925 			if (os_strlen(pos) > 32) {
1926 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1927 					   "serial_number", line);
1928 				errors++;
1929 			}
1930 			os_free(bss->serial_number);
1931 			bss->serial_number = os_strdup(pos);
1932 		} else if (os_strcmp(buf, "device_type") == 0) {
1933 			os_free(bss->device_type);
1934 			bss->device_type = os_strdup(pos);
1935 		} else if (os_strcmp(buf, "config_methods") == 0) {
1936 			os_free(bss->config_methods);
1937 			bss->config_methods = os_strdup(pos);
1938 		} else if (os_strcmp(buf, "os_version") == 0) {
1939 			if (hexstr2bin(pos, bss->os_version, 4)) {
1940 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1941 					   "os_version", line);
1942 				errors++;
1943 			}
1944 		} else if (os_strcmp(buf, "ap_pin") == 0) {
1945 			os_free(bss->ap_pin);
1946 			bss->ap_pin = os_strdup(pos);
1947 		} else if (os_strcmp(buf, "skip_cred_build") == 0) {
1948 			bss->skip_cred_build = atoi(pos);
1949 		} else if (os_strcmp(buf, "extra_cred") == 0) {
1950 			os_free(bss->extra_cred);
1951 			bss->extra_cred =
1952 				(u8 *) os_readfile(pos, &bss->extra_cred_len);
1953 			if (bss->extra_cred == NULL) {
1954 				wpa_printf(MSG_ERROR, "Line %d: could not "
1955 					   "read Credentials from '%s'",
1956 					   line, pos);
1957 				errors++;
1958 			}
1959 		} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
1960 			bss->wps_cred_processing = atoi(pos);
1961 		} else if (os_strcmp(buf, "ap_settings") == 0) {
1962 			os_free(bss->ap_settings);
1963 			bss->ap_settings =
1964 				(u8 *) os_readfile(pos, &bss->ap_settings_len);
1965 			if (bss->ap_settings == NULL) {
1966 				wpa_printf(MSG_ERROR, "Line %d: could not "
1967 					   "read AP Settings from '%s'",
1968 					   line, pos);
1969 				errors++;
1970 			}
1971 		} else if (os_strcmp(buf, "upnp_iface") == 0) {
1972 			bss->upnp_iface = os_strdup(pos);
1973 		} else if (os_strcmp(buf, "friendly_name") == 0) {
1974 			os_free(bss->friendly_name);
1975 			bss->friendly_name = os_strdup(pos);
1976 		} else if (os_strcmp(buf, "manufacturer_url") == 0) {
1977 			os_free(bss->manufacturer_url);
1978 			bss->manufacturer_url = os_strdup(pos);
1979 		} else if (os_strcmp(buf, "model_description") == 0) {
1980 			os_free(bss->model_description);
1981 			bss->model_description = os_strdup(pos);
1982 		} else if (os_strcmp(buf, "model_url") == 0) {
1983 			os_free(bss->model_url);
1984 			bss->model_url = os_strdup(pos);
1985 		} else if (os_strcmp(buf, "upc") == 0) {
1986 			os_free(bss->upc);
1987 			bss->upc = os_strdup(pos);
1988 #endif /* CONFIG_WPS */
1989 		} else {
1990 			wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
1991 				   "item '%s'", line, buf);
1992 			errors++;
1993 		}
1994 	}
1995 
1996 	fclose(f);
1997 
1998 	for (i = 0; i < conf->num_bss; i++) {
1999 		bss = &conf->bss[i];
2000 
2001 		if (bss->individual_wep_key_len == 0) {
2002 			/* individual keys are not use; can use key idx0 for
2003 			 * broadcast keys */
2004 			bss->broadcast_key_idx_min = 0;
2005 		}
2006 
2007 		/* Select group cipher based on the enabled pairwise cipher
2008 		 * suites */
2009 		pairwise = 0;
2010 		if (bss->wpa & 1)
2011 			pairwise |= bss->wpa_pairwise;
2012 		if (bss->wpa & 2) {
2013 			if (bss->rsn_pairwise == 0)
2014 				bss->rsn_pairwise = bss->wpa_pairwise;
2015 			pairwise |= bss->rsn_pairwise;
2016 		}
2017 		if (pairwise & WPA_CIPHER_TKIP)
2018 			bss->wpa_group = WPA_CIPHER_TKIP;
2019 		else
2020 			bss->wpa_group = WPA_CIPHER_CCMP;
2021 
2022 		bss->radius->auth_server = bss->radius->auth_servers;
2023 		bss->radius->acct_server = bss->radius->acct_servers;
2024 
2025 		if (bss->wpa && bss->ieee802_1x) {
2026 			bss->ssid.security_policy = SECURITY_WPA;
2027 		} else if (bss->wpa) {
2028 			bss->ssid.security_policy = SECURITY_WPA_PSK;
2029 		} else if (bss->ieee802_1x) {
2030 			bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2031 			bss->ssid.wep.default_len = bss->default_wep_key_len;
2032 		} else if (bss->ssid.wep.keys_set)
2033 			bss->ssid.security_policy = SECURITY_STATIC_WEP;
2034 		else
2035 			bss->ssid.security_policy = SECURITY_PLAINTEXT;
2036 	}
2037 
2038 	if (hostapd_config_check(conf))
2039 		errors++;
2040 
2041 	if (errors) {
2042 		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
2043 			   "'%s'", errors, fname);
2044 		hostapd_config_free(conf);
2045 		conf = NULL;
2046 	}
2047 
2048 	return conf;
2049 }
2050