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
31extern struct wpa_driver_ops *wpa_drivers[];
32
33
34#ifndef CONFIG_NO_VLAN
35static 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
117static 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
125static 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
198static 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
475static int
476hostapd_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
503static 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
562static 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
614static 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
649static 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
688static 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 */
726static 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
744static 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
751enum {
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
758static 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
820static 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
893static 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
939static 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
986static 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
1043static 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
1126static 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 */
1150struct 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