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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
hostapd_config_read_vlan_file(struct hostapd_bss_config * bss,const char * fname)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 
hostapd_acl_comp(const void * a,const void * b)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 
hostapd_config_read_maclist(const char * fname,struct mac_acl_entry ** acl,int * num)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
hostapd_config_read_eap_user(const char * fname,struct hostapd_bss_config * conf)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
hostapd_config_read_radius_addr(struct hostapd_radius_server ** server,int * num_server,const char * val,int def_port,struct hostapd_radius_server ** curr_serv)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 
hostapd_config_parse_key_mgmt(int line,const char * value)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 
hostapd_config_parse_cipher(int line,const char * value)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 
hostapd_config_read_wep(struct hostapd_wep_keys * wep,int keyidx,char * val)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 
hostapd_parse_rates(int ** rate_list,char * val)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 
hostapd_config_bss(struct hostapd_config * conf,const char * ifname)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 */
hostapd_config_read_int10(const char * value)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 
valid_cw(int cw)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 };
757 
hostapd_config_tx_queue(struct hostapd_config * conf,char * name,char * val)758 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
759 				   char *val)
760 {
761 	int num;
762 	char *pos;
763 	struct hostapd_tx_queue_params *queue;
764 
765 	/* skip 'tx_queue_' prefix */
766 	pos = name + 9;
767 	if (os_strncmp(pos, "data", 4) == 0 &&
768 	    pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
769 		num = pos[4] - '0';
770 		pos += 6;
771 	} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
772 		   os_strncmp(pos, "beacon_", 7) == 0) {
773 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
774 		return 0;
775 	} else {
776 		wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
777 		return -1;
778 	}
779 
780 	if (num >= NUM_TX_QUEUES) {
781 		/* for backwards compatibility, do not trigger failure */
782 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
783 		return 0;
784 	}
785 
786 	queue = &conf->tx_queue[num];
787 
788 	if (os_strcmp(pos, "aifs") == 0) {
789 		queue->aifs = atoi(val);
790 		if (queue->aifs < 0 || queue->aifs > 255) {
791 			wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
792 				   queue->aifs);
793 			return -1;
794 		}
795 	} else if (os_strcmp(pos, "cwmin") == 0) {
796 		queue->cwmin = atoi(val);
797 		if (!valid_cw(queue->cwmin)) {
798 			wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
799 				   queue->cwmin);
800 			return -1;
801 		}
802 	} else if (os_strcmp(pos, "cwmax") == 0) {
803 		queue->cwmax = atoi(val);
804 		if (!valid_cw(queue->cwmax)) {
805 			wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
806 				   queue->cwmax);
807 			return -1;
808 		}
809 	} else if (os_strcmp(pos, "burst") == 0) {
810 		queue->burst = hostapd_config_read_int10(val);
811 	} else {
812 		wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
813 		return -1;
814 	}
815 
816 	return 0;
817 }
818 
819 
hostapd_config_wmm_ac(struct hostapd_config * conf,char * name,char * val)820 static int hostapd_config_wmm_ac(struct hostapd_config *conf, char *name,
821 				 char *val)
822 {
823 	int num, v;
824 	char *pos;
825 	struct hostapd_wmm_ac_params *ac;
826 
827 	/* skip 'wme_ac_' or 'wmm_ac_' prefix */
828 	pos = name + 7;
829 	if (os_strncmp(pos, "be_", 3) == 0) {
830 		num = 0;
831 		pos += 3;
832 	} else if (os_strncmp(pos, "bk_", 3) == 0) {
833 		num = 1;
834 		pos += 3;
835 	} else if (os_strncmp(pos, "vi_", 3) == 0) {
836 		num = 2;
837 		pos += 3;
838 	} else if (os_strncmp(pos, "vo_", 3) == 0) {
839 		num = 3;
840 		pos += 3;
841 	} else {
842 		wpa_printf(MSG_ERROR, "Unknown WMM name '%s'", pos);
843 		return -1;
844 	}
845 
846 	ac = &conf->wmm_ac_params[num];
847 
848 	if (os_strcmp(pos, "aifs") == 0) {
849 		v = atoi(val);
850 		if (v < 1 || v > 255) {
851 			wpa_printf(MSG_ERROR, "Invalid AIFS value %d", v);
852 			return -1;
853 		}
854 		ac->aifs = v;
855 	} else if (os_strcmp(pos, "cwmin") == 0) {
856 		v = atoi(val);
857 		if (v < 0 || v > 12) {
858 			wpa_printf(MSG_ERROR, "Invalid cwMin value %d", v);
859 			return -1;
860 		}
861 		ac->cwmin = v;
862 	} else if (os_strcmp(pos, "cwmax") == 0) {
863 		v = atoi(val);
864 		if (v < 0 || v > 12) {
865 			wpa_printf(MSG_ERROR, "Invalid cwMax value %d", v);
866 			return -1;
867 		}
868 		ac->cwmax = v;
869 	} else if (os_strcmp(pos, "txop_limit") == 0) {
870 		v = atoi(val);
871 		if (v < 0 || v > 0xffff) {
872 			wpa_printf(MSG_ERROR, "Invalid txop value %d", v);
873 			return -1;
874 		}
875 		ac->txop_limit = v;
876 	} else if (os_strcmp(pos, "acm") == 0) {
877 		v = atoi(val);
878 		if (v < 0 || v > 1) {
879 			wpa_printf(MSG_ERROR, "Invalid acm value %d", v);
880 			return -1;
881 		}
882 		ac->admission_control_mandatory = v;
883 	} else {
884 		wpa_printf(MSG_ERROR, "Unknown wmm_ac_ field '%s'", pos);
885 		return -1;
886 	}
887 
888 	return 0;
889 }
890 
891 
892 #ifdef CONFIG_IEEE80211R
add_r0kh(struct hostapd_bss_config * bss,char * value)893 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
894 {
895 	struct ft_remote_r0kh *r0kh;
896 	char *pos, *next;
897 
898 	r0kh = os_zalloc(sizeof(*r0kh));
899 	if (r0kh == NULL)
900 		return -1;
901 
902 	/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
903 	pos = value;
904 	next = os_strchr(pos, ' ');
905 	if (next)
906 		*next++ = '\0';
907 	if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
908 		wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
909 		os_free(r0kh);
910 		return -1;
911 	}
912 
913 	pos = next;
914 	next = os_strchr(pos, ' ');
915 	if (next)
916 		*next++ = '\0';
917 	if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
918 		wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
919 		os_free(r0kh);
920 		return -1;
921 	}
922 	r0kh->id_len = next - pos - 1;
923 	os_memcpy(r0kh->id, pos, r0kh->id_len);
924 
925 	pos = next;
926 	if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
927 		wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
928 		os_free(r0kh);
929 		return -1;
930 	}
931 
932 	r0kh->next = bss->r0kh_list;
933 	bss->r0kh_list = r0kh;
934 
935 	return 0;
936 }
937 
938 
add_r1kh(struct hostapd_bss_config * bss,char * value)939 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
940 {
941 	struct ft_remote_r1kh *r1kh;
942 	char *pos, *next;
943 
944 	r1kh = os_zalloc(sizeof(*r1kh));
945 	if (r1kh == NULL)
946 		return -1;
947 
948 	/* 02:01:02:03:04:05 02:01:02:03:04:05
949 	 * 000102030405060708090a0b0c0d0e0f */
950 	pos = value;
951 	next = os_strchr(pos, ' ');
952 	if (next)
953 		*next++ = '\0';
954 	if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
955 		wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
956 		os_free(r1kh);
957 		return -1;
958 	}
959 
960 	pos = next;
961 	next = os_strchr(pos, ' ');
962 	if (next)
963 		*next++ = '\0';
964 	if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
965 		wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
966 		os_free(r1kh);
967 		return -1;
968 	}
969 
970 	pos = next;
971 	if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
972 		wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
973 		os_free(r1kh);
974 		return -1;
975 	}
976 
977 	r1kh->next = bss->r1kh_list;
978 	bss->r1kh_list = r1kh;
979 
980 	return 0;
981 }
982 #endif /* CONFIG_IEEE80211R */
983 
984 
985 #ifdef CONFIG_IEEE80211N
hostapd_config_ht_capab(struct hostapd_config * conf,const char * capab)986 static int hostapd_config_ht_capab(struct hostapd_config *conf,
987 				   const char *capab)
988 {
989 	if (os_strstr(capab, "[LDPC]"))
990 		conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
991 	if (os_strstr(capab, "[HT40-]")) {
992 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
993 		conf->secondary_channel = -1;
994 	}
995 	if (os_strstr(capab, "[HT40+]")) {
996 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
997 		conf->secondary_channel = 1;
998 	}
999 	if (os_strstr(capab, "[SMPS-STATIC]")) {
1000 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1001 		conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1002 	}
1003 	if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1004 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1005 		conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1006 	}
1007 	if (os_strstr(capab, "[GF]"))
1008 		conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1009 	if (os_strstr(capab, "[SHORT-GI-20]"))
1010 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1011 	if (os_strstr(capab, "[SHORT-GI-40]"))
1012 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1013 	if (os_strstr(capab, "[TX-STBC]"))
1014 		conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1015 	if (os_strstr(capab, "[RX-STBC1]")) {
1016 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1017 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1018 	}
1019 	if (os_strstr(capab, "[RX-STBC12]")) {
1020 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1021 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1022 	}
1023 	if (os_strstr(capab, "[RX-STBC123]")) {
1024 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1025 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1026 	}
1027 	if (os_strstr(capab, "[DELAYED-BA]"))
1028 		conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1029 	if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1030 		conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1031 	if (os_strstr(capab, "[DSSS_CCK-40]"))
1032 		conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1033 	if (os_strstr(capab, "[PSMP]"))
1034 		conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1035 	if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1036 		conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1037 
1038 	return 0;
1039 }
1040 #endif /* CONFIG_IEEE80211N */
1041 
1042 
hostapd_config_check_bss(struct hostapd_bss_config * bss,struct hostapd_config * conf)1043 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1044 				    struct hostapd_config *conf)
1045 {
1046 	if (bss->ieee802_1x && !bss->eap_server &&
1047 	    !bss->radius->auth_servers) {
1048 		wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1049 			   "EAP authenticator configured).");
1050 		return -1;
1051 	}
1052 
1053 	if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1054 	    bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1055 	    bss->ssid.wpa_psk_file == NULL) {
1056 		wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1057 			   "is not configured.");
1058 		return -1;
1059 	}
1060 
1061 	if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1062 		size_t i;
1063 
1064 		for (i = 0; i < conf->num_bss; i++) {
1065 			if ((&conf->bss[i] != bss) &&
1066 			    (hostapd_mac_comp(conf->bss[i].bssid,
1067 					      bss->bssid) == 0)) {
1068 				wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1069 					   " on interface '%s' and '%s'.",
1070 					   MAC2STR(bss->bssid),
1071 					   conf->bss[i].iface, bss->iface);
1072 				return -1;
1073 			}
1074 		}
1075 	}
1076 
1077 #ifdef CONFIG_IEEE80211R
1078 	if ((bss->wpa_key_mgmt &
1079 	     (WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X)) &&
1080 	    (bss->nas_identifier == NULL ||
1081 	     os_strlen(bss->nas_identifier) < 1 ||
1082 	     os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1083 		wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1084 			   "nas_identifier to be configured as a 1..48 octet "
1085 			   "string");
1086 		return -1;
1087 	}
1088 #endif /* CONFIG_IEEE80211R */
1089 
1090 #ifdef CONFIG_IEEE80211N
1091 	if (conf->ieee80211n &&
1092 	    bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1093 		bss->disable_11n = 1;
1094 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
1095 			   "allowed, disabling HT capabilities");
1096 	}
1097 
1098 	if (conf->ieee80211n && bss->wpa &&
1099 	    !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1100 	    !(bss->rsn_pairwise & WPA_CIPHER_CCMP)) {
1101 		bss->disable_11n = 1;
1102 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1103 			   "requires CCMP to be enabled, disabling HT "
1104 			   "capabilities");
1105 	}
1106 #endif /* CONFIG_IEEE80211N */
1107 
1108 #ifdef CONFIG_WPS2
1109 	if (bss->wps_state && bss->ignore_broadcast_ssid) {
1110 		wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
1111 			   "configuration forced WPS to be disabled");
1112 		bss->wps_state = 0;
1113 	}
1114 
1115 	if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
1116 		wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
1117 			   "disabled");
1118 		bss->wps_state = 0;
1119 	}
1120 #endif /* CONFIG_WPS2 */
1121 
1122 	return 0;
1123 }
1124 
1125 
hostapd_config_check(struct hostapd_config * conf)1126 static int hostapd_config_check(struct hostapd_config *conf)
1127 {
1128 	size_t i;
1129 
1130 	if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1131 		wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1132 			   "setting the country_code");
1133 		return -1;
1134 	}
1135 
1136 	for (i = 0; i < conf->num_bss; i++) {
1137 		if (hostapd_config_check_bss(&conf->bss[i], conf))
1138 			return -1;
1139 	}
1140 
1141 	return 0;
1142 }
1143 
1144 
1145 /**
1146  * hostapd_config_read - Read and parse a configuration file
1147  * @fname: Configuration file name (including path, if needed)
1148  * Returns: Allocated configuration data structure
1149  */
hostapd_config_read(const char * fname)1150 struct hostapd_config * hostapd_config_read(const char *fname)
1151 {
1152 	struct hostapd_config *conf;
1153 	struct hostapd_bss_config *bss;
1154 	FILE *f;
1155 	char buf[256], *pos;
1156 	int line = 0;
1157 	int errors = 0;
1158 	int pairwise;
1159 	size_t i;
1160 
1161 	f = fopen(fname, "r");
1162 	if (f == NULL) {
1163 		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
1164 			   "for reading.", fname);
1165 		return NULL;
1166 	}
1167 
1168 	conf = hostapd_config_defaults();
1169 	if (conf == NULL) {
1170 		fclose(f);
1171 		return NULL;
1172 	}
1173 
1174 	/* set default driver based on configuration */
1175 	conf->driver = wpa_drivers[0];
1176 	if (conf->driver == NULL) {
1177 		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
1178 		hostapd_config_free(conf);
1179 		fclose(f);
1180 		return NULL;
1181 	}
1182 
1183 	bss = conf->last_bss = conf->bss;
1184 
1185 	while (fgets(buf, sizeof(buf), f)) {
1186 		bss = conf->last_bss;
1187 		line++;
1188 
1189 		if (buf[0] == '#')
1190 			continue;
1191 		pos = buf;
1192 		while (*pos != '\0') {
1193 			if (*pos == '\n') {
1194 				*pos = '\0';
1195 				break;
1196 			}
1197 			pos++;
1198 		}
1199 		if (buf[0] == '\0')
1200 			continue;
1201 
1202 		pos = os_strchr(buf, '=');
1203 		if (pos == NULL) {
1204 			wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
1205 				   line, buf);
1206 			errors++;
1207 			continue;
1208 		}
1209 		*pos = '\0';
1210 		pos++;
1211 
1212 		if (os_strcmp(buf, "interface") == 0) {
1213 			os_strlcpy(conf->bss[0].iface, pos,
1214 				   sizeof(conf->bss[0].iface));
1215 		} else if (os_strcmp(buf, "bridge") == 0) {
1216 			os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1217 		} else if (os_strcmp(buf, "wds_bridge") == 0) {
1218 			os_strlcpy(bss->wds_bridge, pos,
1219 				   sizeof(bss->wds_bridge));
1220 		} else if (os_strcmp(buf, "driver") == 0) {
1221 			int j;
1222 			/* clear to get error below if setting is invalid */
1223 			conf->driver = NULL;
1224 			for (j = 0; wpa_drivers[j]; j++) {
1225 				if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1226 				{
1227 					conf->driver = wpa_drivers[j];
1228 					break;
1229 				}
1230 			}
1231 			if (conf->driver == NULL) {
1232 				wpa_printf(MSG_ERROR, "Line %d: invalid/"
1233 					   "unknown driver '%s'", line, pos);
1234 				errors++;
1235 			}
1236 		} else if (os_strcmp(buf, "debug") == 0) {
1237 			wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1238 				   "configuration variable is not used "
1239 				   "anymore", line);
1240 		} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1241 			bss->logger_syslog_level = atoi(pos);
1242 		} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1243 			bss->logger_stdout_level = atoi(pos);
1244 		} else if (os_strcmp(buf, "logger_syslog") == 0) {
1245 			bss->logger_syslog = atoi(pos);
1246 		} else if (os_strcmp(buf, "logger_stdout") == 0) {
1247 			bss->logger_stdout = atoi(pos);
1248 		} else if (os_strcmp(buf, "dump_file") == 0) {
1249 			bss->dump_log_name = os_strdup(pos);
1250 		} else if (os_strcmp(buf, "ssid") == 0) {
1251 			bss->ssid.ssid_len = os_strlen(pos);
1252 			if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1253 			    bss->ssid.ssid_len < 1) {
1254 				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1255 					   "'%s'", line, pos);
1256 				errors++;
1257 			} else {
1258 				os_memcpy(bss->ssid.ssid, pos,
1259 					  bss->ssid.ssid_len);
1260 				bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1261 				bss->ssid.ssid_set = 1;
1262 			}
1263 		} else if (os_strcmp(buf, "macaddr_acl") == 0) {
1264 			bss->macaddr_acl = atoi(pos);
1265 			if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1266 			    bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1267 			    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1268 				wpa_printf(MSG_ERROR, "Line %d: unknown "
1269 					   "macaddr_acl %d",
1270 					   line, bss->macaddr_acl);
1271 			}
1272 		} else if (os_strcmp(buf, "accept_mac_file") == 0) {
1273 			if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1274 							&bss->num_accept_mac))
1275 			{
1276 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1277 					   "read accept_mac_file '%s'",
1278 					   line, pos);
1279 				errors++;
1280 			}
1281 		} else if (os_strcmp(buf, "deny_mac_file") == 0) {
1282 			if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1283 							&bss->num_deny_mac)) {
1284 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1285 					   "read deny_mac_file '%s'",
1286 					   line, pos);
1287 				errors++;
1288 			}
1289 		} else if (os_strcmp(buf, "wds_sta") == 0) {
1290 			bss->wds_sta = atoi(pos);
1291 		} else if (os_strcmp(buf, "ap_isolate") == 0) {
1292 			bss->isolate = atoi(pos);
1293 		} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1294 			bss->ap_max_inactivity = atoi(pos);
1295 		} else if (os_strcmp(buf, "country_code") == 0) {
1296 			os_memcpy(conf->country, pos, 2);
1297 			/* FIX: make this configurable */
1298 			conf->country[2] = ' ';
1299 		} else if (os_strcmp(buf, "ieee80211d") == 0) {
1300 			conf->ieee80211d = atoi(pos);
1301 		} else if (os_strcmp(buf, "ieee8021x") == 0) {
1302 			bss->ieee802_1x = atoi(pos);
1303 		} else if (os_strcmp(buf, "eapol_version") == 0) {
1304 			bss->eapol_version = atoi(pos);
1305 			if (bss->eapol_version < 1 ||
1306 			    bss->eapol_version > 2) {
1307 				wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1308 					   "version (%d): '%s'.",
1309 					   line, bss->eapol_version, pos);
1310 				errors++;
1311 			} else
1312 				wpa_printf(MSG_DEBUG, "eapol_version=%d",
1313 					   bss->eapol_version);
1314 #ifdef EAP_SERVER
1315 		} else if (os_strcmp(buf, "eap_authenticator") == 0) {
1316 			bss->eap_server = atoi(pos);
1317 			wpa_printf(MSG_ERROR, "Line %d: obsolete "
1318 				   "eap_authenticator used; this has been "
1319 				   "renamed to eap_server", line);
1320 		} else if (os_strcmp(buf, "eap_server") == 0) {
1321 			bss->eap_server = atoi(pos);
1322 		} else if (os_strcmp(buf, "eap_user_file") == 0) {
1323 			if (hostapd_config_read_eap_user(pos, bss))
1324 				errors++;
1325 		} else if (os_strcmp(buf, "ca_cert") == 0) {
1326 			os_free(bss->ca_cert);
1327 			bss->ca_cert = os_strdup(pos);
1328 		} else if (os_strcmp(buf, "server_cert") == 0) {
1329 			os_free(bss->server_cert);
1330 			bss->server_cert = os_strdup(pos);
1331 		} else if (os_strcmp(buf, "private_key") == 0) {
1332 			os_free(bss->private_key);
1333 			bss->private_key = os_strdup(pos);
1334 		} else if (os_strcmp(buf, "private_key_passwd") == 0) {
1335 			os_free(bss->private_key_passwd);
1336 			bss->private_key_passwd = os_strdup(pos);
1337 		} else if (os_strcmp(buf, "check_crl") == 0) {
1338 			bss->check_crl = atoi(pos);
1339 		} else if (os_strcmp(buf, "dh_file") == 0) {
1340 			os_free(bss->dh_file);
1341 			bss->dh_file = os_strdup(pos);
1342 		} else if (os_strcmp(buf, "fragment_size") == 0) {
1343 			bss->fragment_size = atoi(pos);
1344 #ifdef EAP_SERVER_FAST
1345 		} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1346 			os_free(bss->pac_opaque_encr_key);
1347 			bss->pac_opaque_encr_key = os_malloc(16);
1348 			if (bss->pac_opaque_encr_key == NULL) {
1349 				wpa_printf(MSG_ERROR, "Line %d: No memory for "
1350 					   "pac_opaque_encr_key", line);
1351 				errors++;
1352 			} else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1353 					      16)) {
1354 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1355 					   "pac_opaque_encr_key", line);
1356 				errors++;
1357 			}
1358 		} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1359 			size_t idlen = os_strlen(pos);
1360 			if (idlen & 1) {
1361 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1362 					   "eap_fast_a_id", line);
1363 				errors++;
1364 			} else {
1365 				os_free(bss->eap_fast_a_id);
1366 				bss->eap_fast_a_id = os_malloc(idlen / 2);
1367 				if (bss->eap_fast_a_id == NULL ||
1368 				    hexstr2bin(pos, bss->eap_fast_a_id,
1369 					       idlen / 2)) {
1370 					wpa_printf(MSG_ERROR, "Line %d: "
1371 						   "Failed to parse "
1372 						   "eap_fast_a_id", line);
1373 					errors++;
1374 				} else
1375 					bss->eap_fast_a_id_len = idlen / 2;
1376 			}
1377 		} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1378 			os_free(bss->eap_fast_a_id_info);
1379 			bss->eap_fast_a_id_info = os_strdup(pos);
1380 		} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1381 			bss->eap_fast_prov = atoi(pos);
1382 		} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1383 			bss->pac_key_lifetime = atoi(pos);
1384 		} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1385 			bss->pac_key_refresh_time = atoi(pos);
1386 #endif /* EAP_SERVER_FAST */
1387 #ifdef EAP_SERVER_SIM
1388 		} else if (os_strcmp(buf, "eap_sim_db") == 0) {
1389 			os_free(bss->eap_sim_db);
1390 			bss->eap_sim_db = os_strdup(pos);
1391 		} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1392 			bss->eap_sim_aka_result_ind = atoi(pos);
1393 #endif /* EAP_SERVER_SIM */
1394 #ifdef EAP_SERVER_TNC
1395 		} else if (os_strcmp(buf, "tnc") == 0) {
1396 			bss->tnc = atoi(pos);
1397 #endif /* EAP_SERVER_TNC */
1398 #ifdef EAP_SERVER_PWD
1399 		} else if (os_strcmp(buf, "pwd_group") == 0) {
1400 			bss->pwd_group = atoi(pos);
1401 #endif /* EAP_SERVER_PWD */
1402 #endif /* EAP_SERVER */
1403 		} else if (os_strcmp(buf, "eap_message") == 0) {
1404 			char *term;
1405 			bss->eap_req_id_text = os_strdup(pos);
1406 			if (bss->eap_req_id_text == NULL) {
1407 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1408 					   "allocate memory for "
1409 					   "eap_req_id_text", line);
1410 				errors++;
1411 				continue;
1412 			}
1413 			bss->eap_req_id_text_len =
1414 				os_strlen(bss->eap_req_id_text);
1415 			term = os_strstr(bss->eap_req_id_text, "\\0");
1416 			if (term) {
1417 				*term++ = '\0';
1418 				os_memmove(term, term + 1,
1419 					   bss->eap_req_id_text_len -
1420 					   (term - bss->eap_req_id_text) - 1);
1421 				bss->eap_req_id_text_len--;
1422 			}
1423 		} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1424 			bss->default_wep_key_len = atoi(pos);
1425 			if (bss->default_wep_key_len > 13) {
1426 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1427 					   "key len %lu (= %lu bits)", line,
1428 					   (unsigned long)
1429 					   bss->default_wep_key_len,
1430 					   (unsigned long)
1431 					   bss->default_wep_key_len * 8);
1432 				errors++;
1433 			}
1434 		} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1435 			bss->individual_wep_key_len = atoi(pos);
1436 			if (bss->individual_wep_key_len < 0 ||
1437 			    bss->individual_wep_key_len > 13) {
1438 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1439 					   "key len %d (= %d bits)", line,
1440 					   bss->individual_wep_key_len,
1441 					   bss->individual_wep_key_len * 8);
1442 				errors++;
1443 			}
1444 		} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1445 			bss->wep_rekeying_period = atoi(pos);
1446 			if (bss->wep_rekeying_period < 0) {
1447 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1448 					   "period %d",
1449 					   line, bss->wep_rekeying_period);
1450 				errors++;
1451 			}
1452 		} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1453 			bss->eap_reauth_period = atoi(pos);
1454 			if (bss->eap_reauth_period < 0) {
1455 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1456 					   "period %d",
1457 					   line, bss->eap_reauth_period);
1458 				errors++;
1459 			}
1460 		} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1461 			bss->eapol_key_index_workaround = atoi(pos);
1462 #ifdef CONFIG_IAPP
1463 		} else if (os_strcmp(buf, "iapp_interface") == 0) {
1464 			bss->ieee802_11f = 1;
1465 			os_strlcpy(bss->iapp_iface, pos,
1466 				   sizeof(bss->iapp_iface));
1467 #endif /* CONFIG_IAPP */
1468 		} else if (os_strcmp(buf, "own_ip_addr") == 0) {
1469 			if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1470 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1471 					   "address '%s'", line, pos);
1472 				errors++;
1473 			}
1474 		} else if (os_strcmp(buf, "nas_identifier") == 0) {
1475 			bss->nas_identifier = os_strdup(pos);
1476 #ifndef CONFIG_NO_RADIUS
1477 		} else if (os_strcmp(buf, "auth_server_addr") == 0) {
1478 			if (hostapd_config_read_radius_addr(
1479 				    &bss->radius->auth_servers,
1480 				    &bss->radius->num_auth_servers, pos, 1812,
1481 				    &bss->radius->auth_server)) {
1482 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1483 					   "address '%s'", line, pos);
1484 				errors++;
1485 			}
1486 		} else if (bss->radius->auth_server &&
1487 			   os_strcmp(buf, "auth_server_port") == 0) {
1488 			bss->radius->auth_server->port = atoi(pos);
1489 		} else if (bss->radius->auth_server &&
1490 			   os_strcmp(buf, "auth_server_shared_secret") == 0) {
1491 			int len = os_strlen(pos);
1492 			if (len == 0) {
1493 				/* RFC 2865, Ch. 3 */
1494 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
1495 					   "secret is not allowed.", line);
1496 				errors++;
1497 			}
1498 			bss->radius->auth_server->shared_secret =
1499 				(u8 *) os_strdup(pos);
1500 			bss->radius->auth_server->shared_secret_len = len;
1501 		} else if (os_strcmp(buf, "acct_server_addr") == 0) {
1502 			if (hostapd_config_read_radius_addr(
1503 				    &bss->radius->acct_servers,
1504 				    &bss->radius->num_acct_servers, pos, 1813,
1505 				    &bss->radius->acct_server)) {
1506 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1507 					   "address '%s'", line, pos);
1508 				errors++;
1509 			}
1510 		} else if (bss->radius->acct_server &&
1511 			   os_strcmp(buf, "acct_server_port") == 0) {
1512 			bss->radius->acct_server->port = atoi(pos);
1513 		} else if (bss->radius->acct_server &&
1514 			   os_strcmp(buf, "acct_server_shared_secret") == 0) {
1515 			int len = os_strlen(pos);
1516 			if (len == 0) {
1517 				/* RFC 2865, Ch. 3 */
1518 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
1519 					   "secret is not allowed.", line);
1520 				errors++;
1521 			}
1522 			bss->radius->acct_server->shared_secret =
1523 				(u8 *) os_strdup(pos);
1524 			bss->radius->acct_server->shared_secret_len = len;
1525 		} else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1526 			   0) {
1527 			bss->radius->retry_primary_interval = atoi(pos);
1528 		} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1529 		{
1530 			bss->acct_interim_interval = atoi(pos);
1531 #endif /* CONFIG_NO_RADIUS */
1532 		} else if (os_strcmp(buf, "auth_algs") == 0) {
1533 			bss->auth_algs = atoi(pos);
1534 			if (bss->auth_algs == 0) {
1535 				wpa_printf(MSG_ERROR, "Line %d: no "
1536 					   "authentication algorithms allowed",
1537 					   line);
1538 				errors++;
1539 			}
1540 		} else if (os_strcmp(buf, "max_num_sta") == 0) {
1541 			bss->max_num_sta = atoi(pos);
1542 			if (bss->max_num_sta < 0 ||
1543 			    bss->max_num_sta > MAX_STA_COUNT) {
1544 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1545 					   "max_num_sta=%d; allowed range "
1546 					   "0..%d", line, bss->max_num_sta,
1547 					   MAX_STA_COUNT);
1548 				errors++;
1549 			}
1550 		} else if (os_strcmp(buf, "wpa") == 0) {
1551 			bss->wpa = atoi(pos);
1552 		} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1553 			bss->wpa_group_rekey = atoi(pos);
1554 		} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1555 			bss->wpa_strict_rekey = atoi(pos);
1556 		} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1557 			bss->wpa_gmk_rekey = atoi(pos);
1558 		} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
1559 			bss->wpa_ptk_rekey = atoi(pos);
1560 		} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1561 			int len = os_strlen(pos);
1562 			if (len < 8 || len > 63) {
1563 				wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
1564 					   "passphrase length %d (expected "
1565 					   "8..63)", line, len);
1566 				errors++;
1567 			} else {
1568 				os_free(bss->ssid.wpa_passphrase);
1569 				bss->ssid.wpa_passphrase = os_strdup(pos);
1570 			}
1571 		} else if (os_strcmp(buf, "wpa_psk") == 0) {
1572 			os_free(bss->ssid.wpa_psk);
1573 			bss->ssid.wpa_psk =
1574 				os_zalloc(sizeof(struct hostapd_wpa_psk));
1575 			if (bss->ssid.wpa_psk == NULL)
1576 				errors++;
1577 			else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1578 					    PMK_LEN) ||
1579 				 pos[PMK_LEN * 2] != '\0') {
1580 				wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
1581 					   "'%s'.", line, pos);
1582 				errors++;
1583 			} else {
1584 				bss->ssid.wpa_psk->group = 1;
1585 			}
1586 		} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1587 			os_free(bss->ssid.wpa_psk_file);
1588 			bss->ssid.wpa_psk_file = os_strdup(pos);
1589 			if (!bss->ssid.wpa_psk_file) {
1590 				wpa_printf(MSG_ERROR, "Line %d: allocation "
1591 					   "failed", line);
1592 				errors++;
1593 			}
1594 		} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1595 			bss->wpa_key_mgmt =
1596 				hostapd_config_parse_key_mgmt(line, pos);
1597 			if (bss->wpa_key_mgmt == -1)
1598 				errors++;
1599 		} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1600 			bss->wpa_pairwise =
1601 				hostapd_config_parse_cipher(line, pos);
1602 			if (bss->wpa_pairwise == -1 ||
1603 			    bss->wpa_pairwise == 0)
1604 				errors++;
1605 			else if (bss->wpa_pairwise &
1606 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1607 				  WPA_CIPHER_WEP104)) {
1608 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
1609 					   "pairwise cipher suite '%s'",
1610 					   bss->wpa_pairwise, pos);
1611 				errors++;
1612 			}
1613 		} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1614 			bss->rsn_pairwise =
1615 				hostapd_config_parse_cipher(line, pos);
1616 			if (bss->rsn_pairwise == -1 ||
1617 			    bss->rsn_pairwise == 0)
1618 				errors++;
1619 			else if (bss->rsn_pairwise &
1620 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1621 				  WPA_CIPHER_WEP104)) {
1622 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
1623 					   "pairwise cipher suite '%s'",
1624 					   bss->rsn_pairwise, pos);
1625 				errors++;
1626 			}
1627 #ifdef CONFIG_RSN_PREAUTH
1628 		} else if (os_strcmp(buf, "rsn_preauth") == 0) {
1629 			bss->rsn_preauth = atoi(pos);
1630 		} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1631 			bss->rsn_preauth_interfaces = os_strdup(pos);
1632 #endif /* CONFIG_RSN_PREAUTH */
1633 #ifdef CONFIG_PEERKEY
1634 		} else if (os_strcmp(buf, "peerkey") == 0) {
1635 			bss->peerkey = atoi(pos);
1636 #endif /* CONFIG_PEERKEY */
1637 #ifdef CONFIG_IEEE80211R
1638 		} else if (os_strcmp(buf, "mobility_domain") == 0) {
1639 			if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1640 			    hexstr2bin(pos, bss->mobility_domain,
1641 				       MOBILITY_DOMAIN_ID_LEN) != 0) {
1642 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1643 					   "mobility_domain '%s'", line, pos);
1644 				errors++;
1645 				continue;
1646 			}
1647 		} else if (os_strcmp(buf, "r1_key_holder") == 0) {
1648 			if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1649 			    hexstr2bin(pos, bss->r1_key_holder,
1650 				       FT_R1KH_ID_LEN) != 0) {
1651 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1652 					   "r1_key_holder '%s'", line, pos);
1653 				errors++;
1654 				continue;
1655 			}
1656 		} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1657 			bss->r0_key_lifetime = atoi(pos);
1658 		} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1659 			bss->reassociation_deadline = atoi(pos);
1660 		} else if (os_strcmp(buf, "r0kh") == 0) {
1661 			if (add_r0kh(bss, pos) < 0) {
1662 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1663 					   "r0kh '%s'", line, pos);
1664 				errors++;
1665 				continue;
1666 			}
1667 		} else if (os_strcmp(buf, "r1kh") == 0) {
1668 			if (add_r1kh(bss, pos) < 0) {
1669 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1670 					   "r1kh '%s'", line, pos);
1671 				errors++;
1672 				continue;
1673 			}
1674 		} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1675 			bss->pmk_r1_push = atoi(pos);
1676 		} else if (os_strcmp(buf, "ft_over_ds") == 0) {
1677 			bss->ft_over_ds = atoi(pos);
1678 #endif /* CONFIG_IEEE80211R */
1679 #ifndef CONFIG_NO_CTRL_IFACE
1680 		} else if (os_strcmp(buf, "ctrl_interface") == 0) {
1681 			os_free(bss->ctrl_interface);
1682 			bss->ctrl_interface = os_strdup(pos);
1683 		} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1684 #ifndef CONFIG_NATIVE_WINDOWS
1685 			struct group *grp;
1686 			char *endp;
1687 			const char *group = pos;
1688 
1689 			grp = getgrnam(group);
1690 			if (grp) {
1691 				bss->ctrl_interface_gid = grp->gr_gid;
1692 				bss->ctrl_interface_gid_set = 1;
1693 				wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1694 					   " (from group name '%s')",
1695 					   bss->ctrl_interface_gid, group);
1696 				continue;
1697 			}
1698 
1699 			/* Group name not found - try to parse this as gid */
1700 			bss->ctrl_interface_gid = strtol(group, &endp, 10);
1701 			if (*group == '\0' || *endp != '\0') {
1702 				wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1703 					   "'%s'", line, group);
1704 				errors++;
1705 				continue;
1706 			}
1707 			bss->ctrl_interface_gid_set = 1;
1708 			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1709 				   bss->ctrl_interface_gid);
1710 #endif /* CONFIG_NATIVE_WINDOWS */
1711 #endif /* CONFIG_NO_CTRL_IFACE */
1712 #ifdef RADIUS_SERVER
1713 		} else if (os_strcmp(buf, "radius_server_clients") == 0) {
1714 			os_free(bss->radius_server_clients);
1715 			bss->radius_server_clients = os_strdup(pos);
1716 		} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1717 			bss->radius_server_auth_port = atoi(pos);
1718 		} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1719 			bss->radius_server_ipv6 = atoi(pos);
1720 #endif /* RADIUS_SERVER */
1721 		} else if (os_strcmp(buf, "test_socket") == 0) {
1722 			os_free(bss->test_socket);
1723 			bss->test_socket = os_strdup(pos);
1724 		} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1725 			bss->use_pae_group_addr = atoi(pos);
1726 		} else if (os_strcmp(buf, "hw_mode") == 0) {
1727 			if (os_strcmp(pos, "a") == 0)
1728 				conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1729 			else if (os_strcmp(pos, "b") == 0)
1730 				conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1731 			else if (os_strcmp(pos, "g") == 0)
1732 				conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1733 			else {
1734 				wpa_printf(MSG_ERROR, "Line %d: unknown "
1735 					   "hw_mode '%s'", line, pos);
1736 				errors++;
1737 			}
1738 		} else if (os_strcmp(buf, "channel") == 0) {
1739 			conf->channel = atoi(pos);
1740 		} else if (os_strcmp(buf, "beacon_int") == 0) {
1741 			int val = atoi(pos);
1742 			/* MIB defines range as 1..65535, but very small values
1743 			 * cause problems with the current implementation.
1744 			 * Since it is unlikely that this small numbers are
1745 			 * useful in real life scenarios, do not allow beacon
1746 			 * period to be set below 15 TU. */
1747 			if (val < 15 || val > 65535) {
1748 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1749 					   "beacon_int %d (expected "
1750 					   "15..65535)", line, val);
1751 				errors++;
1752 			} else
1753 				conf->beacon_int = val;
1754 		} else if (os_strcmp(buf, "dtim_period") == 0) {
1755 			bss->dtim_period = atoi(pos);
1756 			if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1757 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1758 					   "dtim_period %d",
1759 					   line, bss->dtim_period);
1760 				errors++;
1761 			}
1762 		} else if (os_strcmp(buf, "rts_threshold") == 0) {
1763 			conf->rts_threshold = atoi(pos);
1764 			if (conf->rts_threshold < 0 ||
1765 			    conf->rts_threshold > 2347) {
1766 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1767 					   "rts_threshold %d",
1768 					   line, conf->rts_threshold);
1769 				errors++;
1770 			}
1771 		} else if (os_strcmp(buf, "fragm_threshold") == 0) {
1772 			conf->fragm_threshold = atoi(pos);
1773 			if (conf->fragm_threshold < 256 ||
1774 			    conf->fragm_threshold > 2346) {
1775 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1776 					   "fragm_threshold %d",
1777 					   line, conf->fragm_threshold);
1778 				errors++;
1779 			}
1780 		} else if (os_strcmp(buf, "send_probe_response") == 0) {
1781 			int val = atoi(pos);
1782 			if (val != 0 && val != 1) {
1783 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1784 					   "send_probe_response %d (expected "
1785 					   "0 or 1)", line, val);
1786 			} else
1787 				conf->send_probe_response = val;
1788 		} else if (os_strcmp(buf, "supported_rates") == 0) {
1789 			if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1790 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1791 					   "list", line);
1792 				errors++;
1793 			}
1794 		} else if (os_strcmp(buf, "basic_rates") == 0) {
1795 			if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1796 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1797 					   "list", line);
1798 				errors++;
1799 			}
1800 		} else if (os_strcmp(buf, "preamble") == 0) {
1801 			if (atoi(pos))
1802 				conf->preamble = SHORT_PREAMBLE;
1803 			else
1804 				conf->preamble = LONG_PREAMBLE;
1805 		} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1806 			bss->ignore_broadcast_ssid = atoi(pos);
1807 		} else if (os_strcmp(buf, "wep_default_key") == 0) {
1808 			bss->ssid.wep.idx = atoi(pos);
1809 			if (bss->ssid.wep.idx > 3) {
1810 				wpa_printf(MSG_ERROR, "Invalid "
1811 					   "wep_default_key index %d",
1812 					   bss->ssid.wep.idx);
1813 				errors++;
1814 			}
1815 		} else if (os_strcmp(buf, "wep_key0") == 0 ||
1816 			   os_strcmp(buf, "wep_key1") == 0 ||
1817 			   os_strcmp(buf, "wep_key2") == 0 ||
1818 			   os_strcmp(buf, "wep_key3") == 0) {
1819 			if (hostapd_config_read_wep(&bss->ssid.wep,
1820 						    buf[7] - '0', pos)) {
1821 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1822 					   "key '%s'", line, buf);
1823 				errors++;
1824 			}
1825 #ifndef CONFIG_NO_VLAN
1826 		} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1827 			bss->ssid.dynamic_vlan = atoi(pos);
1828 		} else if (os_strcmp(buf, "vlan_file") == 0) {
1829 			if (hostapd_config_read_vlan_file(bss, pos)) {
1830 				wpa_printf(MSG_ERROR, "Line %d: failed to "
1831 					   "read VLAN file '%s'", line, pos);
1832 				errors++;
1833 			}
1834 #ifdef CONFIG_FULL_DYNAMIC_VLAN
1835 		} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1836 			bss->ssid.vlan_tagged_interface = os_strdup(pos);
1837 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
1838 #endif /* CONFIG_NO_VLAN */
1839 		} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1840 			conf->ap_table_max_size = atoi(pos);
1841 		} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1842 			conf->ap_table_expiration_time = atoi(pos);
1843 		} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1844 			if (hostapd_config_tx_queue(conf, buf, pos)) {
1845 				wpa_printf(MSG_ERROR, "Line %d: invalid TX "
1846 					   "queue item", line);
1847 				errors++;
1848 			}
1849 		} else if (os_strcmp(buf, "wme_enabled") == 0 ||
1850 			   os_strcmp(buf, "wmm_enabled") == 0) {
1851 			bss->wmm_enabled = atoi(pos);
1852 		} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
1853 			bss->wmm_uapsd = atoi(pos);
1854 		} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
1855 			   os_strncmp(buf, "wmm_ac_", 7) == 0) {
1856 			if (hostapd_config_wmm_ac(conf, buf, pos)) {
1857 				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
1858 					   "ac item", line);
1859 				errors++;
1860 			}
1861 		} else if (os_strcmp(buf, "bss") == 0) {
1862 			if (hostapd_config_bss(conf, pos)) {
1863 				wpa_printf(MSG_ERROR, "Line %d: invalid bss "
1864 					   "item", line);
1865 				errors++;
1866 			}
1867 		} else if (os_strcmp(buf, "bssid") == 0) {
1868 			if (hwaddr_aton(pos, bss->bssid)) {
1869 				wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
1870 					   "item", line);
1871 				errors++;
1872 			}
1873 #ifdef CONFIG_IEEE80211W
1874 		} else if (os_strcmp(buf, "ieee80211w") == 0) {
1875 			bss->ieee80211w = atoi(pos);
1876 		} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
1877 			bss->assoc_sa_query_max_timeout = atoi(pos);
1878 			if (bss->assoc_sa_query_max_timeout == 0) {
1879 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1880 					   "assoc_sa_query_max_timeout", line);
1881 				errors++;
1882 			}
1883 		} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
1884 		{
1885 			bss->assoc_sa_query_retry_timeout = atoi(pos);
1886 			if (bss->assoc_sa_query_retry_timeout == 0) {
1887 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1888 					   "assoc_sa_query_retry_timeout",
1889 					   line);
1890 				errors++;
1891 			}
1892 #endif /* CONFIG_IEEE80211W */
1893 #ifdef CONFIG_IEEE80211N
1894 		} else if (os_strcmp(buf, "ieee80211n") == 0) {
1895 			conf->ieee80211n = atoi(pos);
1896 		} else if (os_strcmp(buf, "ht_capab") == 0) {
1897 			if (hostapd_config_ht_capab(conf, pos) < 0) {
1898 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1899 					   "ht_capab", line);
1900 				errors++;
1901 			}
1902 		} else if (os_strcmp(buf, "require_ht") == 0) {
1903 			conf->require_ht = atoi(pos);
1904 #endif /* CONFIG_IEEE80211N */
1905 		} else if (os_strcmp(buf, "max_listen_interval") == 0) {
1906 			bss->max_listen_interval = atoi(pos);
1907 		} else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
1908 			bss->disable_pmksa_caching = atoi(pos);
1909 		} else if (os_strcmp(buf, "okc") == 0) {
1910 			bss->okc = atoi(pos);
1911 #ifdef CONFIG_WPS
1912 		} else if (os_strcmp(buf, "wps_state") == 0) {
1913 			bss->wps_state = atoi(pos);
1914 			if (bss->wps_state < 0 || bss->wps_state > 2) {
1915 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1916 					   "wps_state", line);
1917 				errors++;
1918 			}
1919 		} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
1920 			bss->ap_setup_locked = atoi(pos);
1921 		} else if (os_strcmp(buf, "uuid") == 0) {
1922 			if (uuid_str2bin(pos, bss->uuid)) {
1923 				wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
1924 					   line);
1925 				errors++;
1926 			}
1927 		} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
1928 			os_free(bss->wps_pin_requests);
1929 			bss->wps_pin_requests = os_strdup(pos);
1930 		} else if (os_strcmp(buf, "device_name") == 0) {
1931 			if (os_strlen(pos) > 32) {
1932 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1933 					   "device_name", line);
1934 				errors++;
1935 			}
1936 			os_free(bss->device_name);
1937 			bss->device_name = os_strdup(pos);
1938 		} else if (os_strcmp(buf, "manufacturer") == 0) {
1939 			if (os_strlen(pos) > 64) {
1940 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1941 					   "manufacturer", line);
1942 				errors++;
1943 			}
1944 			os_free(bss->manufacturer);
1945 			bss->manufacturer = os_strdup(pos);
1946 		} else if (os_strcmp(buf, "model_name") == 0) {
1947 			if (os_strlen(pos) > 32) {
1948 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1949 					   "model_name", line);
1950 				errors++;
1951 			}
1952 			os_free(bss->model_name);
1953 			bss->model_name = os_strdup(pos);
1954 		} else if (os_strcmp(buf, "model_number") == 0) {
1955 			if (os_strlen(pos) > 32) {
1956 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1957 					   "model_number", line);
1958 				errors++;
1959 			}
1960 			os_free(bss->model_number);
1961 			bss->model_number = os_strdup(pos);
1962 		} else if (os_strcmp(buf, "serial_number") == 0) {
1963 			if (os_strlen(pos) > 32) {
1964 				wpa_printf(MSG_ERROR, "Line %d: Too long "
1965 					   "serial_number", line);
1966 				errors++;
1967 			}
1968 			os_free(bss->serial_number);
1969 			bss->serial_number = os_strdup(pos);
1970 		} else if (os_strcmp(buf, "device_type") == 0) {
1971 			if (wps_dev_type_str2bin(pos, bss->device_type))
1972 				errors++;
1973 		} else if (os_strcmp(buf, "config_methods") == 0) {
1974 			os_free(bss->config_methods);
1975 			bss->config_methods = os_strdup(pos);
1976 		} else if (os_strcmp(buf, "os_version") == 0) {
1977 			if (hexstr2bin(pos, bss->os_version, 4)) {
1978 				wpa_printf(MSG_ERROR, "Line %d: invalid "
1979 					   "os_version", line);
1980 				errors++;
1981 			}
1982 		} else if (os_strcmp(buf, "ap_pin") == 0) {
1983 			os_free(bss->ap_pin);
1984 			bss->ap_pin = os_strdup(pos);
1985 		} else if (os_strcmp(buf, "skip_cred_build") == 0) {
1986 			bss->skip_cred_build = atoi(pos);
1987 		} else if (os_strcmp(buf, "extra_cred") == 0) {
1988 			os_free(bss->extra_cred);
1989 			bss->extra_cred =
1990 				(u8 *) os_readfile(pos, &bss->extra_cred_len);
1991 			if (bss->extra_cred == NULL) {
1992 				wpa_printf(MSG_ERROR, "Line %d: could not "
1993 					   "read Credentials from '%s'",
1994 					   line, pos);
1995 				errors++;
1996 			}
1997 		} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
1998 			bss->wps_cred_processing = atoi(pos);
1999 		} else if (os_strcmp(buf, "ap_settings") == 0) {
2000 			os_free(bss->ap_settings);
2001 			bss->ap_settings =
2002 				(u8 *) os_readfile(pos, &bss->ap_settings_len);
2003 			if (bss->ap_settings == NULL) {
2004 				wpa_printf(MSG_ERROR, "Line %d: could not "
2005 					   "read AP Settings from '%s'",
2006 					   line, pos);
2007 				errors++;
2008 			}
2009 		} else if (os_strcmp(buf, "upnp_iface") == 0) {
2010 			bss->upnp_iface = os_strdup(pos);
2011 		} else if (os_strcmp(buf, "friendly_name") == 0) {
2012 			os_free(bss->friendly_name);
2013 			bss->friendly_name = os_strdup(pos);
2014 		} else if (os_strcmp(buf, "manufacturer_url") == 0) {
2015 			os_free(bss->manufacturer_url);
2016 			bss->manufacturer_url = os_strdup(pos);
2017 		} else if (os_strcmp(buf, "model_description") == 0) {
2018 			os_free(bss->model_description);
2019 			bss->model_description = os_strdup(pos);
2020 		} else if (os_strcmp(buf, "model_url") == 0) {
2021 			os_free(bss->model_url);
2022 			bss->model_url = os_strdup(pos);
2023 		} else if (os_strcmp(buf, "upc") == 0) {
2024 			os_free(bss->upc);
2025 			bss->upc = os_strdup(pos);
2026 		} else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2027 			bss->pbc_in_m1 = atoi(pos);
2028 #endif /* CONFIG_WPS */
2029 #ifdef CONFIG_P2P_MANAGER
2030 		} else if (os_strcmp(buf, "manage_p2p") == 0) {
2031 			int manage = atoi(pos);
2032 			if (manage)
2033 				bss->p2p |= P2P_MANAGE;
2034 			else
2035 				bss->p2p &= ~P2P_MANAGE;
2036 		} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2037 			if (atoi(pos))
2038 				bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2039 			else
2040 				bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2041 #endif /* CONFIG_P2P_MANAGER */
2042 		} else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2043 			bss->disassoc_low_ack = atoi(pos);
2044 		} else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2045 			int val = atoi(pos);
2046 			if (val)
2047 				bss->tdls |= TDLS_PROHIBIT;
2048 			else
2049 				bss->tdls &= ~TDLS_PROHIBIT;
2050 		} else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2051 			int val = atoi(pos);
2052 			if (val)
2053 				bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2054 			else
2055 				bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2056 #ifdef CONFIG_RSN_TESTING
2057 		} else if (os_strcmp(buf, "rsn_testing") == 0) {
2058 			extern int rsn_testing;
2059 			rsn_testing = atoi(pos);
2060 #endif /* CONFIG_RSN_TESTING */
2061 		} else {
2062 			wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2063 				   "item '%s'", line, buf);
2064 			errors++;
2065 		}
2066 	}
2067 
2068 	fclose(f);
2069 
2070 	for (i = 0; i < conf->num_bss; i++) {
2071 		bss = &conf->bss[i];
2072 
2073 		if (bss->individual_wep_key_len == 0) {
2074 			/* individual keys are not use; can use key idx0 for
2075 			 * broadcast keys */
2076 			bss->broadcast_key_idx_min = 0;
2077 		}
2078 
2079 		/* Select group cipher based on the enabled pairwise cipher
2080 		 * suites */
2081 		pairwise = 0;
2082 		if (bss->wpa & 1)
2083 			pairwise |= bss->wpa_pairwise;
2084 		if (bss->wpa & 2) {
2085 			if (bss->rsn_pairwise == 0)
2086 				bss->rsn_pairwise = bss->wpa_pairwise;
2087 			pairwise |= bss->rsn_pairwise;
2088 		}
2089 		if (pairwise & WPA_CIPHER_TKIP)
2090 			bss->wpa_group = WPA_CIPHER_TKIP;
2091 		else
2092 			bss->wpa_group = WPA_CIPHER_CCMP;
2093 
2094 		bss->radius->auth_server = bss->radius->auth_servers;
2095 		bss->radius->acct_server = bss->radius->acct_servers;
2096 
2097 		if (bss->wpa && bss->ieee802_1x) {
2098 			bss->ssid.security_policy = SECURITY_WPA;
2099 		} else if (bss->wpa) {
2100 			bss->ssid.security_policy = SECURITY_WPA_PSK;
2101 		} else if (bss->ieee802_1x) {
2102 			bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2103 			bss->ssid.wep.default_len = bss->default_wep_key_len;
2104 		} else if (bss->ssid.wep.keys_set)
2105 			bss->ssid.security_policy = SECURITY_STATIC_WEP;
2106 		else
2107 			bss->ssid.security_policy = SECURITY_PLAINTEXT;
2108 	}
2109 
2110 	if (hostapd_config_check(conf))
2111 		errors++;
2112 
2113 #ifndef WPA_IGNORE_CONFIG_ERRORS
2114 	if (errors) {
2115 		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
2116 			   "'%s'", errors, fname);
2117 		hostapd_config_free(conf);
2118 		conf = NULL;
2119 	}
2120 #endif /* WPA_IGNORE_CONFIG_ERRORS */
2121 
2122 	return conf;
2123 }
2124