config_file.c revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4
1/*
2 * hostapd / Configuration file parser
3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#include "utils/includes.h"
10#ifndef CONFIG_NATIVE_WINDOWS
11#include <grp.h>
12#endif /* CONFIG_NATIVE_WINDOWS */
13
14#include "utils/common.h"
15#include "utils/uuid.h"
16#include "common/ieee802_11_defs.h"
17#include "drivers/driver.h"
18#include "eap_server/eap.h"
19#include "radius/radius_client.h"
20#include "ap/wpa_auth.h"
21#include "ap/ap_config.h"
22#include "config_file.h"
23
24
25extern struct wpa_driver_ops *wpa_drivers[];
26
27
28#ifndef CONFIG_NO_VLAN
29static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
30					 const char *fname)
31{
32	FILE *f;
33	char buf[128], *pos, *pos2;
34	int line = 0, vlan_id;
35	struct hostapd_vlan *vlan;
36
37	f = fopen(fname, "r");
38	if (!f) {
39		wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
40		return -1;
41	}
42
43	while (fgets(buf, sizeof(buf), f)) {
44		line++;
45
46		if (buf[0] == '#')
47			continue;
48		pos = buf;
49		while (*pos != '\0') {
50			if (*pos == '\n') {
51				*pos = '\0';
52				break;
53			}
54			pos++;
55		}
56		if (buf[0] == '\0')
57			continue;
58
59		if (buf[0] == '*') {
60			vlan_id = VLAN_ID_WILDCARD;
61			pos = buf + 1;
62		} else {
63			vlan_id = strtol(buf, &pos, 10);
64			if (buf == pos || vlan_id < 1 ||
65			    vlan_id > MAX_VLAN_ID) {
66				wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
67					   "line %d in '%s'", line, fname);
68				fclose(f);
69				return -1;
70			}
71		}
72
73		while (*pos == ' ' || *pos == '\t')
74			pos++;
75		pos2 = pos;
76		while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
77			pos2++;
78		*pos2 = '\0';
79		if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
80			wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
81				   "in '%s'", line, fname);
82			fclose(f);
83			return -1;
84		}
85
86		vlan = os_malloc(sizeof(*vlan));
87		if (vlan == NULL) {
88			wpa_printf(MSG_ERROR, "Out of memory while reading "
89				   "VLAN interfaces from '%s'", fname);
90			fclose(f);
91			return -1;
92		}
93
94		os_memset(vlan, 0, sizeof(*vlan));
95		vlan->vlan_id = vlan_id;
96		os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
97		if (bss->vlan_tail)
98			bss->vlan_tail->next = vlan;
99		else
100			bss->vlan = vlan;
101		bss->vlan_tail = vlan;
102	}
103
104	fclose(f);
105
106	return 0;
107}
108#endif /* CONFIG_NO_VLAN */
109
110
111static int hostapd_acl_comp(const void *a, const void *b)
112{
113	const struct mac_acl_entry *aa = a;
114	const struct mac_acl_entry *bb = b;
115	return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
116}
117
118
119static int hostapd_config_read_maclist(const char *fname,
120				       struct mac_acl_entry **acl, int *num)
121{
122	FILE *f;
123	char buf[128], *pos;
124	int line = 0;
125	u8 addr[ETH_ALEN];
126	struct mac_acl_entry *newacl;
127	int vlan_id;
128
129	if (!fname)
130		return 0;
131
132	f = fopen(fname, "r");
133	if (!f) {
134		wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
135		return -1;
136	}
137
138	while (fgets(buf, sizeof(buf), f)) {
139		line++;
140
141		if (buf[0] == '#')
142			continue;
143		pos = buf;
144		while (*pos != '\0') {
145			if (*pos == '\n') {
146				*pos = '\0';
147				break;
148			}
149			pos++;
150		}
151		if (buf[0] == '\0')
152			continue;
153
154		if (hwaddr_aton(buf, addr)) {
155			wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
156				   "line %d in '%s'", buf, line, fname);
157			fclose(f);
158			return -1;
159		}
160
161		vlan_id = 0;
162		pos = buf;
163		while (*pos != '\0' && *pos != ' ' && *pos != '\t')
164			pos++;
165		while (*pos == ' ' || *pos == '\t')
166			pos++;
167		if (*pos != '\0')
168			vlan_id = atoi(pos);
169
170		newacl = os_realloc(*acl, (*num + 1) * sizeof(**acl));
171		if (newacl == NULL) {
172			wpa_printf(MSG_ERROR, "MAC list reallocation failed");
173			fclose(f);
174			return -1;
175		}
176
177		*acl = newacl;
178		os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
179		(*acl)[*num].vlan_id = vlan_id;
180		(*num)++;
181	}
182
183	fclose(f);
184
185	qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
186
187	return 0;
188}
189
190
191#ifdef EAP_SERVER
192static int hostapd_config_read_eap_user(const char *fname,
193					struct hostapd_bss_config *conf)
194{
195	FILE *f;
196	char buf[512], *pos, *start, *pos2;
197	int line = 0, ret = 0, num_methods;
198	struct hostapd_eap_user *user, *tail = NULL;
199
200	if (!fname)
201		return 0;
202
203	f = fopen(fname, "r");
204	if (!f) {
205		wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
206		return -1;
207	}
208
209	/* Lines: "user" METHOD,METHOD2 "password" (password optional) */
210	while (fgets(buf, sizeof(buf), f)) {
211		line++;
212
213		if (buf[0] == '#')
214			continue;
215		pos = buf;
216		while (*pos != '\0') {
217			if (*pos == '\n') {
218				*pos = '\0';
219				break;
220			}
221			pos++;
222		}
223		if (buf[0] == '\0')
224			continue;
225
226		user = NULL;
227
228		if (buf[0] != '"' && buf[0] != '*') {
229			wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
230				   "start) on line %d in '%s'", line, fname);
231			goto failed;
232		}
233
234		user = os_zalloc(sizeof(*user));
235		if (user == NULL) {
236			wpa_printf(MSG_ERROR, "EAP user allocation failed");
237			goto failed;
238		}
239		user->force_version = -1;
240
241		if (buf[0] == '*') {
242			pos = buf;
243		} else {
244			pos = buf + 1;
245			start = pos;
246			while (*pos != '"' && *pos != '\0')
247				pos++;
248			if (*pos == '\0') {
249				wpa_printf(MSG_ERROR, "Invalid EAP identity "
250					   "(no \" in end) on line %d in '%s'",
251					   line, fname);
252				goto failed;
253			}
254
255			user->identity = os_malloc(pos - start);
256			if (user->identity == NULL) {
257				wpa_printf(MSG_ERROR, "Failed to allocate "
258					   "memory for EAP identity");
259				goto failed;
260			}
261			os_memcpy(user->identity, start, pos - start);
262			user->identity_len = pos - start;
263
264			if (pos[0] == '"' && pos[1] == '*') {
265				user->wildcard_prefix = 1;
266				pos++;
267			}
268		}
269		pos++;
270		while (*pos == ' ' || *pos == '\t')
271			pos++;
272
273		if (*pos == '\0') {
274			wpa_printf(MSG_ERROR, "No EAP method on line %d in "
275				   "'%s'", line, fname);
276			goto failed;
277		}
278
279		start = pos;
280		while (*pos != ' ' && *pos != '\t' && *pos != '\0')
281			pos++;
282		if (*pos == '\0') {
283			pos = NULL;
284		} else {
285			*pos = '\0';
286			pos++;
287		}
288		num_methods = 0;
289		while (*start) {
290			char *pos3 = os_strchr(start, ',');
291			if (pos3) {
292				*pos3++ = '\0';
293			}
294			user->methods[num_methods].method =
295				eap_server_get_type(
296					start,
297					&user->methods[num_methods].vendor);
298			if (user->methods[num_methods].vendor ==
299			    EAP_VENDOR_IETF &&
300			    user->methods[num_methods].method == EAP_TYPE_NONE)
301			{
302				if (os_strcmp(start, "TTLS-PAP") == 0) {
303					user->ttls_auth |= EAP_TTLS_AUTH_PAP;
304					goto skip_eap;
305				}
306				if (os_strcmp(start, "TTLS-CHAP") == 0) {
307					user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
308					goto skip_eap;
309				}
310				if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
311					user->ttls_auth |=
312						EAP_TTLS_AUTH_MSCHAP;
313					goto skip_eap;
314				}
315				if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
316					user->ttls_auth |=
317						EAP_TTLS_AUTH_MSCHAPV2;
318					goto skip_eap;
319				}
320				wpa_printf(MSG_ERROR, "Unsupported EAP type "
321					   "'%s' on line %d in '%s'",
322					   start, line, fname);
323				goto failed;
324			}
325
326			num_methods++;
327			if (num_methods >= EAP_MAX_METHODS)
328				break;
329		skip_eap:
330			if (pos3 == NULL)
331				break;
332			start = pos3;
333		}
334		if (num_methods == 0 && user->ttls_auth == 0) {
335			wpa_printf(MSG_ERROR, "No EAP types configured on "
336				   "line %d in '%s'", line, fname);
337			goto failed;
338		}
339
340		if (pos == NULL)
341			goto done;
342
343		while (*pos == ' ' || *pos == '\t')
344			pos++;
345		if (*pos == '\0')
346			goto done;
347
348		if (os_strncmp(pos, "[ver=0]", 7) == 0) {
349			user->force_version = 0;
350			goto done;
351		}
352
353		if (os_strncmp(pos, "[ver=1]", 7) == 0) {
354			user->force_version = 1;
355			goto done;
356		}
357
358		if (os_strncmp(pos, "[2]", 3) == 0) {
359			user->phase2 = 1;
360			goto done;
361		}
362
363		if (*pos == '"') {
364			pos++;
365			start = pos;
366			while (*pos != '"' && *pos != '\0')
367				pos++;
368			if (*pos == '\0') {
369				wpa_printf(MSG_ERROR, "Invalid EAP password "
370					   "(no \" in end) on line %d in '%s'",
371					   line, fname);
372				goto failed;
373			}
374
375			user->password = os_malloc(pos - start);
376			if (user->password == NULL) {
377				wpa_printf(MSG_ERROR, "Failed to allocate "
378					   "memory for EAP password");
379				goto failed;
380			}
381			os_memcpy(user->password, start, pos - start);
382			user->password_len = pos - start;
383
384			pos++;
385		} else if (os_strncmp(pos, "hash:", 5) == 0) {
386			pos += 5;
387			pos2 = pos;
388			while (*pos2 != '\0' && *pos2 != ' ' &&
389			       *pos2 != '\t' && *pos2 != '#')
390				pos2++;
391			if (pos2 - pos != 32) {
392				wpa_printf(MSG_ERROR, "Invalid password hash "
393					   "on line %d in '%s'", line, fname);
394				goto failed;
395			}
396			user->password = os_malloc(16);
397			if (user->password == NULL) {
398				wpa_printf(MSG_ERROR, "Failed to allocate "
399					   "memory for EAP password hash");
400				goto failed;
401			}
402			if (hexstr2bin(pos, user->password, 16) < 0) {
403				wpa_printf(MSG_ERROR, "Invalid hash password "
404					   "on line %d in '%s'", line, fname);
405				goto failed;
406			}
407			user->password_len = 16;
408			user->password_hash = 1;
409			pos = pos2;
410		} else {
411			pos2 = pos;
412			while (*pos2 != '\0' && *pos2 != ' ' &&
413			       *pos2 != '\t' && *pos2 != '#')
414				pos2++;
415			if ((pos2 - pos) & 1) {
416				wpa_printf(MSG_ERROR, "Invalid hex password "
417					   "on line %d in '%s'", line, fname);
418				goto failed;
419			}
420			user->password = os_malloc((pos2 - pos) / 2);
421			if (user->password == NULL) {
422				wpa_printf(MSG_ERROR, "Failed to allocate "
423					   "memory for EAP password");
424				goto failed;
425			}
426			if (hexstr2bin(pos, user->password,
427				       (pos2 - pos) / 2) < 0) {
428				wpa_printf(MSG_ERROR, "Invalid hex password "
429					   "on line %d in '%s'", line, fname);
430				goto failed;
431			}
432			user->password_len = (pos2 - pos) / 2;
433			pos = pos2;
434		}
435
436		while (*pos == ' ' || *pos == '\t')
437			pos++;
438		if (os_strncmp(pos, "[2]", 3) == 0) {
439			user->phase2 = 1;
440		}
441
442	done:
443		if (tail == NULL) {
444			tail = conf->eap_user = user;
445		} else {
446			tail->next = user;
447			tail = user;
448		}
449		continue;
450
451	failed:
452		if (user) {
453			os_free(user->password);
454			os_free(user->identity);
455			os_free(user);
456		}
457		ret = -1;
458		break;
459	}
460
461	fclose(f);
462
463	return ret;
464}
465#endif /* EAP_SERVER */
466
467
468#ifndef CONFIG_NO_RADIUS
469static int
470hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
471				int *num_server, const char *val, int def_port,
472				struct hostapd_radius_server **curr_serv)
473{
474	struct hostapd_radius_server *nserv;
475	int ret;
476	static int server_index = 1;
477
478	nserv = os_realloc(*server, (*num_server + 1) * sizeof(*nserv));
479	if (nserv == NULL)
480		return -1;
481
482	*server = nserv;
483	nserv = &nserv[*num_server];
484	(*num_server)++;
485	(*curr_serv) = nserv;
486
487	os_memset(nserv, 0, sizeof(*nserv));
488	nserv->port = def_port;
489	ret = hostapd_parse_ip_addr(val, &nserv->addr);
490	nserv->index = server_index++;
491
492	return ret;
493}
494#endif /* CONFIG_NO_RADIUS */
495
496
497static int hostapd_config_parse_key_mgmt(int line, const char *value)
498{
499	int val = 0, last;
500	char *start, *end, *buf;
501
502	buf = os_strdup(value);
503	if (buf == NULL)
504		return -1;
505	start = buf;
506
507	while (*start != '\0') {
508		while (*start == ' ' || *start == '\t')
509			start++;
510		if (*start == '\0')
511			break;
512		end = start;
513		while (*end != ' ' && *end != '\t' && *end != '\0')
514			end++;
515		last = *end == '\0';
516		*end = '\0';
517		if (os_strcmp(start, "WPA-PSK") == 0)
518			val |= WPA_KEY_MGMT_PSK;
519		else if (os_strcmp(start, "WPA-EAP") == 0)
520			val |= WPA_KEY_MGMT_IEEE8021X;
521#ifdef CONFIG_IEEE80211R
522		else if (os_strcmp(start, "FT-PSK") == 0)
523			val |= WPA_KEY_MGMT_FT_PSK;
524		else if (os_strcmp(start, "FT-EAP") == 0)
525			val |= WPA_KEY_MGMT_FT_IEEE8021X;
526#endif /* CONFIG_IEEE80211R */
527#ifdef CONFIG_IEEE80211W
528		else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
529			val |= WPA_KEY_MGMT_PSK_SHA256;
530		else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
531			val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
532#endif /* CONFIG_IEEE80211W */
533		else {
534			wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
535				   line, start);
536			os_free(buf);
537			return -1;
538		}
539
540		if (last)
541			break;
542		start = end + 1;
543	}
544
545	os_free(buf);
546	if (val == 0) {
547		wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
548			   "configured.", line);
549		return -1;
550	}
551
552	return val;
553}
554
555
556static int hostapd_config_parse_cipher(int line, const char *value)
557{
558	int val = 0, last;
559	char *start, *end, *buf;
560
561	buf = os_strdup(value);
562	if (buf == NULL)
563		return -1;
564	start = buf;
565
566	while (*start != '\0') {
567		while (*start == ' ' || *start == '\t')
568			start++;
569		if (*start == '\0')
570			break;
571		end = start;
572		while (*end != ' ' && *end != '\t' && *end != '\0')
573			end++;
574		last = *end == '\0';
575		*end = '\0';
576		if (os_strcmp(start, "CCMP") == 0)
577			val |= WPA_CIPHER_CCMP;
578		else if (os_strcmp(start, "TKIP") == 0)
579			val |= WPA_CIPHER_TKIP;
580		else if (os_strcmp(start, "WEP104") == 0)
581			val |= WPA_CIPHER_WEP104;
582		else if (os_strcmp(start, "WEP40") == 0)
583			val |= WPA_CIPHER_WEP40;
584		else if (os_strcmp(start, "NONE") == 0)
585			val |= WPA_CIPHER_NONE;
586		else {
587			wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
588				   line, start);
589			os_free(buf);
590			return -1;
591		}
592
593		if (last)
594			break;
595		start = end + 1;
596	}
597	os_free(buf);
598
599	if (val == 0) {
600		wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
601			   line);
602		return -1;
603	}
604	return val;
605}
606
607
608static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
609				   char *val)
610{
611	size_t len = os_strlen(val);
612
613	if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
614		return -1;
615
616	if (val[0] == '"') {
617		if (len < 2 || val[len - 1] != '"')
618			return -1;
619		len -= 2;
620		wep->key[keyidx] = os_malloc(len);
621		if (wep->key[keyidx] == NULL)
622			return -1;
623		os_memcpy(wep->key[keyidx], val + 1, len);
624		wep->len[keyidx] = len;
625	} else {
626		if (len & 1)
627			return -1;
628		len /= 2;
629		wep->key[keyidx] = os_malloc(len);
630		if (wep->key[keyidx] == NULL)
631			return -1;
632		wep->len[keyidx] = len;
633		if (hexstr2bin(val, wep->key[keyidx], len) < 0)
634			return -1;
635	}
636
637	wep->keys_set++;
638
639	return 0;
640}
641
642
643static int hostapd_parse_rates(int **rate_list, char *val)
644{
645	int *list;
646	int count;
647	char *pos, *end;
648
649	os_free(*rate_list);
650	*rate_list = NULL;
651
652	pos = val;
653	count = 0;
654	while (*pos != '\0') {
655		if (*pos == ' ')
656			count++;
657		pos++;
658	}
659
660	list = os_malloc(sizeof(int) * (count + 2));
661	if (list == NULL)
662		return -1;
663	pos = val;
664	count = 0;
665	while (*pos != '\0') {
666		end = os_strchr(pos, ' ');
667		if (end)
668			*end = '\0';
669
670		list[count++] = atoi(pos);
671		if (!end)
672			break;
673		pos = end + 1;
674	}
675	list[count] = -1;
676
677	*rate_list = list;
678	return 0;
679}
680
681
682static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
683{
684	struct hostapd_bss_config *bss;
685
686	if (*ifname == '\0')
687		return -1;
688
689	bss = os_realloc(conf->bss, (conf->num_bss + 1) *
690			 sizeof(struct hostapd_bss_config));
691	if (bss == NULL) {
692		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
693			   "multi-BSS entry");
694		return -1;
695	}
696	conf->bss = bss;
697
698	bss = &(conf->bss[conf->num_bss]);
699	os_memset(bss, 0, sizeof(*bss));
700	bss->radius = os_zalloc(sizeof(*bss->radius));
701	if (bss->radius == NULL) {
702		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
703			   "multi-BSS RADIUS data");
704		return -1;
705	}
706
707	conf->num_bss++;
708	conf->last_bss = bss;
709
710	hostapd_config_defaults_bss(bss);
711	os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
712	os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
713
714	return 0;
715}
716
717
718/* convert floats with one decimal place to value*10 int, i.e.,
719 * "1.5" will return 15 */
720static int hostapd_config_read_int10(const char *value)
721{
722	int i, d;
723	char *pos;
724
725	i = atoi(value);
726	pos = os_strchr(value, '.');
727	d = 0;
728	if (pos) {
729		pos++;
730		if (*pos >= '0' && *pos <= '9')
731			d = *pos - '0';
732	}
733
734	return i * 10 + d;
735}
736
737
738static int valid_cw(int cw)
739{
740	return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
741		cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
742}
743
744
745enum {
746	IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
747	IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
748	IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
749	IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
750};
751
752static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
753				   char *val)
754{
755	int num;
756	char *pos;
757	struct hostapd_tx_queue_params *queue;
758
759	/* skip 'tx_queue_' prefix */
760	pos = name + 9;
761	if (os_strncmp(pos, "data", 4) == 0 &&
762	    pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
763		num = pos[4] - '0';
764		pos += 6;
765	} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
766		   os_strncmp(pos, "beacon_", 7) == 0) {
767		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
768		return 0;
769	} else {
770		wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
771		return -1;
772	}
773
774	if (num >= NUM_TX_QUEUES) {
775		/* for backwards compatibility, do not trigger failure */
776		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
777		return 0;
778	}
779
780	queue = &conf->tx_queue[num];
781
782	if (os_strcmp(pos, "aifs") == 0) {
783		queue->aifs = atoi(val);
784		if (queue->aifs < 0 || queue->aifs > 255) {
785			wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
786				   queue->aifs);
787			return -1;
788		}
789	} else if (os_strcmp(pos, "cwmin") == 0) {
790		queue->cwmin = atoi(val);
791		if (!valid_cw(queue->cwmin)) {
792			wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
793				   queue->cwmin);
794			return -1;
795		}
796	} else if (os_strcmp(pos, "cwmax") == 0) {
797		queue->cwmax = atoi(val);
798		if (!valid_cw(queue->cwmax)) {
799			wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
800				   queue->cwmax);
801			return -1;
802		}
803	} else if (os_strcmp(pos, "burst") == 0) {
804		queue->burst = hostapd_config_read_int10(val);
805	} else {
806		wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
807		return -1;
808	}
809
810	return 0;
811}
812
813
814static int hostapd_config_wmm_ac(struct hostapd_config *conf, char *name,
815				 char *val)
816{
817	int num, v;
818	char *pos;
819	struct hostapd_wmm_ac_params *ac;
820
821	/* skip 'wme_ac_' or 'wmm_ac_' prefix */
822	pos = name + 7;
823	if (os_strncmp(pos, "be_", 3) == 0) {
824		num = 0;
825		pos += 3;
826	} else if (os_strncmp(pos, "bk_", 3) == 0) {
827		num = 1;
828		pos += 3;
829	} else if (os_strncmp(pos, "vi_", 3) == 0) {
830		num = 2;
831		pos += 3;
832	} else if (os_strncmp(pos, "vo_", 3) == 0) {
833		num = 3;
834		pos += 3;
835	} else {
836		wpa_printf(MSG_ERROR, "Unknown WMM name '%s'", pos);
837		return -1;
838	}
839
840	ac = &conf->wmm_ac_params[num];
841
842	if (os_strcmp(pos, "aifs") == 0) {
843		v = atoi(val);
844		if (v < 1 || v > 255) {
845			wpa_printf(MSG_ERROR, "Invalid AIFS value %d", v);
846			return -1;
847		}
848		ac->aifs = v;
849	} else if (os_strcmp(pos, "cwmin") == 0) {
850		v = atoi(val);
851		if (v < 0 || v > 12) {
852			wpa_printf(MSG_ERROR, "Invalid cwMin value %d", v);
853			return -1;
854		}
855		ac->cwmin = v;
856	} else if (os_strcmp(pos, "cwmax") == 0) {
857		v = atoi(val);
858		if (v < 0 || v > 12) {
859			wpa_printf(MSG_ERROR, "Invalid cwMax value %d", v);
860			return -1;
861		}
862		ac->cwmax = v;
863	} else if (os_strcmp(pos, "txop_limit") == 0) {
864		v = atoi(val);
865		if (v < 0 || v > 0xffff) {
866			wpa_printf(MSG_ERROR, "Invalid txop value %d", v);
867			return -1;
868		}
869		ac->txop_limit = v;
870	} else if (os_strcmp(pos, "acm") == 0) {
871		v = atoi(val);
872		if (v < 0 || v > 1) {
873			wpa_printf(MSG_ERROR, "Invalid acm value %d", v);
874			return -1;
875		}
876		ac->admission_control_mandatory = v;
877	} else {
878		wpa_printf(MSG_ERROR, "Unknown wmm_ac_ field '%s'", pos);
879		return -1;
880	}
881
882	return 0;
883}
884
885
886#ifdef CONFIG_IEEE80211R
887static int add_r0kh(struct hostapd_bss_config *bss, char *value)
888{
889	struct ft_remote_r0kh *r0kh;
890	char *pos, *next;
891
892	r0kh = os_zalloc(sizeof(*r0kh));
893	if (r0kh == NULL)
894		return -1;
895
896	/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
897	pos = value;
898	next = os_strchr(pos, ' ');
899	if (next)
900		*next++ = '\0';
901	if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
902		wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
903		os_free(r0kh);
904		return -1;
905	}
906
907	pos = next;
908	next = os_strchr(pos, ' ');
909	if (next)
910		*next++ = '\0';
911	if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
912		wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
913		os_free(r0kh);
914		return -1;
915	}
916	r0kh->id_len = next - pos - 1;
917	os_memcpy(r0kh->id, pos, r0kh->id_len);
918
919	pos = next;
920	if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
921		wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
922		os_free(r0kh);
923		return -1;
924	}
925
926	r0kh->next = bss->r0kh_list;
927	bss->r0kh_list = r0kh;
928
929	return 0;
930}
931
932
933static int add_r1kh(struct hostapd_bss_config *bss, char *value)
934{
935	struct ft_remote_r1kh *r1kh;
936	char *pos, *next;
937
938	r1kh = os_zalloc(sizeof(*r1kh));
939	if (r1kh == NULL)
940		return -1;
941
942	/* 02:01:02:03:04:05 02:01:02:03:04:05
943	 * 000102030405060708090a0b0c0d0e0f */
944	pos = value;
945	next = os_strchr(pos, ' ');
946	if (next)
947		*next++ = '\0';
948	if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
949		wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
950		os_free(r1kh);
951		return -1;
952	}
953
954	pos = next;
955	next = os_strchr(pos, ' ');
956	if (next)
957		*next++ = '\0';
958	if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
959		wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
960		os_free(r1kh);
961		return -1;
962	}
963
964	pos = next;
965	if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
966		wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
967		os_free(r1kh);
968		return -1;
969	}
970
971	r1kh->next = bss->r1kh_list;
972	bss->r1kh_list = r1kh;
973
974	return 0;
975}
976#endif /* CONFIG_IEEE80211R */
977
978
979#ifdef CONFIG_IEEE80211N
980static int hostapd_config_ht_capab(struct hostapd_config *conf,
981				   const char *capab)
982{
983	if (os_strstr(capab, "[LDPC]"))
984		conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
985	if (os_strstr(capab, "[HT40-]")) {
986		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
987		conf->secondary_channel = -1;
988	}
989	if (os_strstr(capab, "[HT40+]")) {
990		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
991		conf->secondary_channel = 1;
992	}
993	if (os_strstr(capab, "[SMPS-STATIC]")) {
994		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
995		conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
996	}
997	if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
998		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
999		conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1000	}
1001	if (os_strstr(capab, "[GF]"))
1002		conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1003	if (os_strstr(capab, "[SHORT-GI-20]"))
1004		conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1005	if (os_strstr(capab, "[SHORT-GI-40]"))
1006		conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1007	if (os_strstr(capab, "[TX-STBC]"))
1008		conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1009	if (os_strstr(capab, "[RX-STBC1]")) {
1010		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1011		conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1012	}
1013	if (os_strstr(capab, "[RX-STBC12]")) {
1014		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1015		conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1016	}
1017	if (os_strstr(capab, "[RX-STBC123]")) {
1018		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1019		conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1020	}
1021	if (os_strstr(capab, "[DELAYED-BA]"))
1022		conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1023	if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1024		conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1025	if (os_strstr(capab, "[DSSS_CCK-40]"))
1026		conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1027	if (os_strstr(capab, "[PSMP]"))
1028		conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
1029	if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1030		conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1031
1032	return 0;
1033}
1034#endif /* CONFIG_IEEE80211N */
1035
1036
1037static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1038				    struct hostapd_config *conf)
1039{
1040	if (bss->ieee802_1x && !bss->eap_server &&
1041	    !bss->radius->auth_servers) {
1042		wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1043			   "EAP authenticator configured).");
1044		return -1;
1045	}
1046
1047	if (bss->wpa && bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
1048	    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1049		wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
1050			   "RADIUS checking (macaddr_acl=2) enabled.");
1051		return -1;
1052	}
1053
1054	if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1055	    bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1056	    bss->ssid.wpa_psk_file == NULL &&
1057	    (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
1058	     bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
1059		wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1060			   "is not configured.");
1061		return -1;
1062	}
1063
1064	if (hostapd_mac_comp_empty(bss->bssid) != 0) {
1065		size_t i;
1066
1067		for (i = 0; i < conf->num_bss; i++) {
1068			if ((&conf->bss[i] != bss) &&
1069			    (hostapd_mac_comp(conf->bss[i].bssid,
1070					      bss->bssid) == 0)) {
1071				wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1072					   " on interface '%s' and '%s'.",
1073					   MAC2STR(bss->bssid),
1074					   conf->bss[i].iface, bss->iface);
1075				return -1;
1076			}
1077		}
1078	}
1079
1080#ifdef CONFIG_IEEE80211R
1081	if (wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
1082	    (bss->nas_identifier == NULL ||
1083	     os_strlen(bss->nas_identifier) < 1 ||
1084	     os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1085		wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1086			   "nas_identifier to be configured as a 1..48 octet "
1087			   "string");
1088		return -1;
1089	}
1090#endif /* CONFIG_IEEE80211R */
1091
1092#ifdef CONFIG_IEEE80211N
1093	if (conf->ieee80211n &&
1094	    bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1095		bss->disable_11n = 1;
1096		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
1097			   "allowed, disabling HT capabilities");
1098	}
1099
1100	if (conf->ieee80211n && bss->wpa &&
1101	    !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1102	    !(bss->rsn_pairwise & WPA_CIPHER_CCMP)) {
1103		bss->disable_11n = 1;
1104		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1105			   "requires CCMP to be enabled, disabling HT "
1106			   "capabilities");
1107	}
1108#endif /* CONFIG_IEEE80211N */
1109
1110#ifdef CONFIG_WPS2
1111	if (bss->wps_state && bss->ignore_broadcast_ssid) {
1112		wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
1113			   "configuration forced WPS to be disabled");
1114		bss->wps_state = 0;
1115	}
1116
1117	if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
1118		wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
1119			   "disabled");
1120		bss->wps_state = 0;
1121	}
1122#endif /* CONFIG_WPS2 */
1123
1124	return 0;
1125}
1126
1127
1128static int hostapd_config_check(struct hostapd_config *conf)
1129{
1130	size_t i;
1131
1132	if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
1133		wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1134			   "setting the country_code");
1135		return -1;
1136	}
1137
1138	for (i = 0; i < conf->num_bss; i++) {
1139		if (hostapd_config_check_bss(&conf->bss[i], conf))
1140			return -1;
1141	}
1142
1143	return 0;
1144}
1145
1146
1147#ifdef CONFIG_INTERWORKING
1148static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1149				    int line)
1150{
1151	size_t len = os_strlen(pos);
1152	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1153
1154	struct hostapd_roaming_consortium *rc;
1155
1156	if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1157	    hexstr2bin(pos, oi, len / 2)) {
1158		wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1159			   "'%s'", line, pos);
1160		return -1;
1161	}
1162	len /= 2;
1163
1164	rc = os_realloc(bss->roaming_consortium,
1165			sizeof(struct hostapd_roaming_consortium) *
1166			(bss->roaming_consortium_count + 1));
1167	if (rc == NULL)
1168		return -1;
1169
1170	os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1171	rc[bss->roaming_consortium_count].len = len;
1172
1173	bss->roaming_consortium = rc;
1174	bss->roaming_consortium_count++;
1175
1176	return 0;
1177}
1178#endif /* CONFIG_INTERWORKING */
1179
1180
1181/**
1182 * hostapd_config_read - Read and parse a configuration file
1183 * @fname: Configuration file name (including path, if needed)
1184 * Returns: Allocated configuration data structure
1185 */
1186struct hostapd_config * hostapd_config_read(const char *fname)
1187{
1188	struct hostapd_config *conf;
1189	struct hostapd_bss_config *bss;
1190	FILE *f;
1191	char buf[256], *pos;
1192	int line = 0;
1193	int errors = 0;
1194	int pairwise;
1195	size_t i;
1196
1197	f = fopen(fname, "r");
1198	if (f == NULL) {
1199		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
1200			   "for reading.", fname);
1201		return NULL;
1202	}
1203
1204	conf = hostapd_config_defaults();
1205	if (conf == NULL) {
1206		fclose(f);
1207		return NULL;
1208	}
1209
1210	/* set default driver based on configuration */
1211	conf->driver = wpa_drivers[0];
1212	if (conf->driver == NULL) {
1213		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
1214		hostapd_config_free(conf);
1215		fclose(f);
1216		return NULL;
1217	}
1218
1219	bss = conf->last_bss = conf->bss;
1220
1221	while (fgets(buf, sizeof(buf), f)) {
1222		bss = conf->last_bss;
1223		line++;
1224
1225		if (buf[0] == '#')
1226			continue;
1227		pos = buf;
1228		while (*pos != '\0') {
1229			if (*pos == '\n') {
1230				*pos = '\0';
1231				break;
1232			}
1233			pos++;
1234		}
1235		if (buf[0] == '\0')
1236			continue;
1237
1238		pos = os_strchr(buf, '=');
1239		if (pos == NULL) {
1240			wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
1241				   line, buf);
1242			errors++;
1243			continue;
1244		}
1245		*pos = '\0';
1246		pos++;
1247
1248		if (os_strcmp(buf, "interface") == 0) {
1249			os_strlcpy(conf->bss[0].iface, pos,
1250				   sizeof(conf->bss[0].iface));
1251		} else if (os_strcmp(buf, "bridge") == 0) {
1252			os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1253		} else if (os_strcmp(buf, "wds_bridge") == 0) {
1254			os_strlcpy(bss->wds_bridge, pos,
1255				   sizeof(bss->wds_bridge));
1256		} else if (os_strcmp(buf, "driver") == 0) {
1257			int j;
1258			/* clear to get error below if setting is invalid */
1259			conf->driver = NULL;
1260			for (j = 0; wpa_drivers[j]; j++) {
1261				if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
1262				{
1263					conf->driver = wpa_drivers[j];
1264					break;
1265				}
1266			}
1267			if (conf->driver == NULL) {
1268				wpa_printf(MSG_ERROR, "Line %d: invalid/"
1269					   "unknown driver '%s'", line, pos);
1270				errors++;
1271			}
1272		} else if (os_strcmp(buf, "debug") == 0) {
1273			wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
1274				   "configuration variable is not used "
1275				   "anymore", line);
1276		} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
1277			bss->logger_syslog_level = atoi(pos);
1278		} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
1279			bss->logger_stdout_level = atoi(pos);
1280		} else if (os_strcmp(buf, "logger_syslog") == 0) {
1281			bss->logger_syslog = atoi(pos);
1282		} else if (os_strcmp(buf, "logger_stdout") == 0) {
1283			bss->logger_stdout = atoi(pos);
1284		} else if (os_strcmp(buf, "dump_file") == 0) {
1285			bss->dump_log_name = os_strdup(pos);
1286		} else if (os_strcmp(buf, "ssid") == 0) {
1287			bss->ssid.ssid_len = os_strlen(pos);
1288			if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
1289			    bss->ssid.ssid_len < 1) {
1290				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
1291					   "'%s'", line, pos);
1292				errors++;
1293			} else {
1294				os_memcpy(bss->ssid.ssid, pos,
1295					  bss->ssid.ssid_len);
1296				bss->ssid.ssid[bss->ssid.ssid_len] = '\0';
1297				bss->ssid.ssid_set = 1;
1298			}
1299		} else if (os_strcmp(buf, "macaddr_acl") == 0) {
1300			bss->macaddr_acl = atoi(pos);
1301			if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
1302			    bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
1303			    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1304				wpa_printf(MSG_ERROR, "Line %d: unknown "
1305					   "macaddr_acl %d",
1306					   line, bss->macaddr_acl);
1307			}
1308		} else if (os_strcmp(buf, "accept_mac_file") == 0) {
1309			if (hostapd_config_read_maclist(pos, &bss->accept_mac,
1310							&bss->num_accept_mac))
1311			{
1312				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1313					   "read accept_mac_file '%s'",
1314					   line, pos);
1315				errors++;
1316			}
1317		} else if (os_strcmp(buf, "deny_mac_file") == 0) {
1318			if (hostapd_config_read_maclist(pos, &bss->deny_mac,
1319							&bss->num_deny_mac)) {
1320				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1321					   "read deny_mac_file '%s'",
1322					   line, pos);
1323				errors++;
1324			}
1325		} else if (os_strcmp(buf, "wds_sta") == 0) {
1326			bss->wds_sta = atoi(pos);
1327		} else if (os_strcmp(buf, "ap_isolate") == 0) {
1328			bss->isolate = atoi(pos);
1329		} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
1330			bss->ap_max_inactivity = atoi(pos);
1331		} else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
1332			bss->skip_inactivity_poll = atoi(pos);
1333		} else if (os_strcmp(buf, "country_code") == 0) {
1334			os_memcpy(conf->country, pos, 2);
1335			/* FIX: make this configurable */
1336			conf->country[2] = ' ';
1337		} else if (os_strcmp(buf, "ieee80211d") == 0) {
1338			conf->ieee80211d = atoi(pos);
1339		} else if (os_strcmp(buf, "ieee8021x") == 0) {
1340			bss->ieee802_1x = atoi(pos);
1341		} else if (os_strcmp(buf, "eapol_version") == 0) {
1342			bss->eapol_version = atoi(pos);
1343			if (bss->eapol_version < 1 ||
1344			    bss->eapol_version > 2) {
1345				wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
1346					   "version (%d): '%s'.",
1347					   line, bss->eapol_version, pos);
1348				errors++;
1349			} else
1350				wpa_printf(MSG_DEBUG, "eapol_version=%d",
1351					   bss->eapol_version);
1352#ifdef EAP_SERVER
1353		} else if (os_strcmp(buf, "eap_authenticator") == 0) {
1354			bss->eap_server = atoi(pos);
1355			wpa_printf(MSG_ERROR, "Line %d: obsolete "
1356				   "eap_authenticator used; this has been "
1357				   "renamed to eap_server", line);
1358		} else if (os_strcmp(buf, "eap_server") == 0) {
1359			bss->eap_server = atoi(pos);
1360		} else if (os_strcmp(buf, "eap_user_file") == 0) {
1361			if (hostapd_config_read_eap_user(pos, bss))
1362				errors++;
1363		} else if (os_strcmp(buf, "ca_cert") == 0) {
1364			os_free(bss->ca_cert);
1365			bss->ca_cert = os_strdup(pos);
1366		} else if (os_strcmp(buf, "server_cert") == 0) {
1367			os_free(bss->server_cert);
1368			bss->server_cert = os_strdup(pos);
1369		} else if (os_strcmp(buf, "private_key") == 0) {
1370			os_free(bss->private_key);
1371			bss->private_key = os_strdup(pos);
1372		} else if (os_strcmp(buf, "private_key_passwd") == 0) {
1373			os_free(bss->private_key_passwd);
1374			bss->private_key_passwd = os_strdup(pos);
1375		} else if (os_strcmp(buf, "check_crl") == 0) {
1376			bss->check_crl = atoi(pos);
1377		} else if (os_strcmp(buf, "dh_file") == 0) {
1378			os_free(bss->dh_file);
1379			bss->dh_file = os_strdup(pos);
1380		} else if (os_strcmp(buf, "fragment_size") == 0) {
1381			bss->fragment_size = atoi(pos);
1382#ifdef EAP_SERVER_FAST
1383		} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
1384			os_free(bss->pac_opaque_encr_key);
1385			bss->pac_opaque_encr_key = os_malloc(16);
1386			if (bss->pac_opaque_encr_key == NULL) {
1387				wpa_printf(MSG_ERROR, "Line %d: No memory for "
1388					   "pac_opaque_encr_key", line);
1389				errors++;
1390			} else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
1391					      16)) {
1392				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1393					   "pac_opaque_encr_key", line);
1394				errors++;
1395			}
1396		} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
1397			size_t idlen = os_strlen(pos);
1398			if (idlen & 1) {
1399				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1400					   "eap_fast_a_id", line);
1401				errors++;
1402			} else {
1403				os_free(bss->eap_fast_a_id);
1404				bss->eap_fast_a_id = os_malloc(idlen / 2);
1405				if (bss->eap_fast_a_id == NULL ||
1406				    hexstr2bin(pos, bss->eap_fast_a_id,
1407					       idlen / 2)) {
1408					wpa_printf(MSG_ERROR, "Line %d: "
1409						   "Failed to parse "
1410						   "eap_fast_a_id", line);
1411					errors++;
1412				} else
1413					bss->eap_fast_a_id_len = idlen / 2;
1414			}
1415		} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
1416			os_free(bss->eap_fast_a_id_info);
1417			bss->eap_fast_a_id_info = os_strdup(pos);
1418		} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
1419			bss->eap_fast_prov = atoi(pos);
1420		} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
1421			bss->pac_key_lifetime = atoi(pos);
1422		} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
1423			bss->pac_key_refresh_time = atoi(pos);
1424#endif /* EAP_SERVER_FAST */
1425#ifdef EAP_SERVER_SIM
1426		} else if (os_strcmp(buf, "eap_sim_db") == 0) {
1427			os_free(bss->eap_sim_db);
1428			bss->eap_sim_db = os_strdup(pos);
1429		} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
1430			bss->eap_sim_aka_result_ind = atoi(pos);
1431#endif /* EAP_SERVER_SIM */
1432#ifdef EAP_SERVER_TNC
1433		} else if (os_strcmp(buf, "tnc") == 0) {
1434			bss->tnc = atoi(pos);
1435#endif /* EAP_SERVER_TNC */
1436#ifdef EAP_SERVER_PWD
1437		} else if (os_strcmp(buf, "pwd_group") == 0) {
1438			bss->pwd_group = atoi(pos);
1439#endif /* EAP_SERVER_PWD */
1440#endif /* EAP_SERVER */
1441		} else if (os_strcmp(buf, "eap_message") == 0) {
1442			char *term;
1443			bss->eap_req_id_text = os_strdup(pos);
1444			if (bss->eap_req_id_text == NULL) {
1445				wpa_printf(MSG_ERROR, "Line %d: Failed to "
1446					   "allocate memory for "
1447					   "eap_req_id_text", line);
1448				errors++;
1449				continue;
1450			}
1451			bss->eap_req_id_text_len =
1452				os_strlen(bss->eap_req_id_text);
1453			term = os_strstr(bss->eap_req_id_text, "\\0");
1454			if (term) {
1455				*term++ = '\0';
1456				os_memmove(term, term + 1,
1457					   bss->eap_req_id_text_len -
1458					   (term - bss->eap_req_id_text) - 1);
1459				bss->eap_req_id_text_len--;
1460			}
1461		} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
1462			bss->default_wep_key_len = atoi(pos);
1463			if (bss->default_wep_key_len > 13) {
1464				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1465					   "key len %lu (= %lu bits)", line,
1466					   (unsigned long)
1467					   bss->default_wep_key_len,
1468					   (unsigned long)
1469					   bss->default_wep_key_len * 8);
1470				errors++;
1471			}
1472		} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
1473			bss->individual_wep_key_len = atoi(pos);
1474			if (bss->individual_wep_key_len < 0 ||
1475			    bss->individual_wep_key_len > 13) {
1476				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1477					   "key len %d (= %d bits)", line,
1478					   bss->individual_wep_key_len,
1479					   bss->individual_wep_key_len * 8);
1480				errors++;
1481			}
1482		} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
1483			bss->wep_rekeying_period = atoi(pos);
1484			if (bss->wep_rekeying_period < 0) {
1485				wpa_printf(MSG_ERROR, "Line %d: invalid "
1486					   "period %d",
1487					   line, bss->wep_rekeying_period);
1488				errors++;
1489			}
1490		} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
1491			bss->eap_reauth_period = atoi(pos);
1492			if (bss->eap_reauth_period < 0) {
1493				wpa_printf(MSG_ERROR, "Line %d: invalid "
1494					   "period %d",
1495					   line, bss->eap_reauth_period);
1496				errors++;
1497			}
1498		} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
1499			bss->eapol_key_index_workaround = atoi(pos);
1500#ifdef CONFIG_IAPP
1501		} else if (os_strcmp(buf, "iapp_interface") == 0) {
1502			bss->ieee802_11f = 1;
1503			os_strlcpy(bss->iapp_iface, pos,
1504				   sizeof(bss->iapp_iface));
1505#endif /* CONFIG_IAPP */
1506		} else if (os_strcmp(buf, "own_ip_addr") == 0) {
1507			if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
1508				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1509					   "address '%s'", line, pos);
1510				errors++;
1511			}
1512		} else if (os_strcmp(buf, "nas_identifier") == 0) {
1513			bss->nas_identifier = os_strdup(pos);
1514#ifndef CONFIG_NO_RADIUS
1515		} else if (os_strcmp(buf, "auth_server_addr") == 0) {
1516			if (hostapd_config_read_radius_addr(
1517				    &bss->radius->auth_servers,
1518				    &bss->radius->num_auth_servers, pos, 1812,
1519				    &bss->radius->auth_server)) {
1520				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1521					   "address '%s'", line, pos);
1522				errors++;
1523			}
1524		} else if (bss->radius->auth_server &&
1525			   os_strcmp(buf, "auth_server_port") == 0) {
1526			bss->radius->auth_server->port = atoi(pos);
1527		} else if (bss->radius->auth_server &&
1528			   os_strcmp(buf, "auth_server_shared_secret") == 0) {
1529			int len = os_strlen(pos);
1530			if (len == 0) {
1531				/* RFC 2865, Ch. 3 */
1532				wpa_printf(MSG_ERROR, "Line %d: empty shared "
1533					   "secret is not allowed.", line);
1534				errors++;
1535			}
1536			bss->radius->auth_server->shared_secret =
1537				(u8 *) os_strdup(pos);
1538			bss->radius->auth_server->shared_secret_len = len;
1539		} else if (os_strcmp(buf, "acct_server_addr") == 0) {
1540			if (hostapd_config_read_radius_addr(
1541				    &bss->radius->acct_servers,
1542				    &bss->radius->num_acct_servers, pos, 1813,
1543				    &bss->radius->acct_server)) {
1544				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
1545					   "address '%s'", line, pos);
1546				errors++;
1547			}
1548		} else if (bss->radius->acct_server &&
1549			   os_strcmp(buf, "acct_server_port") == 0) {
1550			bss->radius->acct_server->port = atoi(pos);
1551		} else if (bss->radius->acct_server &&
1552			   os_strcmp(buf, "acct_server_shared_secret") == 0) {
1553			int len = os_strlen(pos);
1554			if (len == 0) {
1555				/* RFC 2865, Ch. 3 */
1556				wpa_printf(MSG_ERROR, "Line %d: empty shared "
1557					   "secret is not allowed.", line);
1558				errors++;
1559			}
1560			bss->radius->acct_server->shared_secret =
1561				(u8 *) os_strdup(pos);
1562			bss->radius->acct_server->shared_secret_len = len;
1563		} else if (os_strcmp(buf, "radius_retry_primary_interval") ==
1564			   0) {
1565			bss->radius->retry_primary_interval = atoi(pos);
1566		} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
1567		{
1568			bss->acct_interim_interval = atoi(pos);
1569#endif /* CONFIG_NO_RADIUS */
1570		} else if (os_strcmp(buf, "auth_algs") == 0) {
1571			bss->auth_algs = atoi(pos);
1572			if (bss->auth_algs == 0) {
1573				wpa_printf(MSG_ERROR, "Line %d: no "
1574					   "authentication algorithms allowed",
1575					   line);
1576				errors++;
1577			}
1578		} else if (os_strcmp(buf, "max_num_sta") == 0) {
1579			bss->max_num_sta = atoi(pos);
1580			if (bss->max_num_sta < 0 ||
1581			    bss->max_num_sta > MAX_STA_COUNT) {
1582				wpa_printf(MSG_ERROR, "Line %d: Invalid "
1583					   "max_num_sta=%d; allowed range "
1584					   "0..%d", line, bss->max_num_sta,
1585					   MAX_STA_COUNT);
1586				errors++;
1587			}
1588		} else if (os_strcmp(buf, "wpa") == 0) {
1589			bss->wpa = atoi(pos);
1590		} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
1591			bss->wpa_group_rekey = atoi(pos);
1592		} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
1593			bss->wpa_strict_rekey = atoi(pos);
1594		} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
1595			bss->wpa_gmk_rekey = atoi(pos);
1596		} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
1597			bss->wpa_ptk_rekey = atoi(pos);
1598		} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
1599			int len = os_strlen(pos);
1600			if (len < 8 || len > 63) {
1601				wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
1602					   "passphrase length %d (expected "
1603					   "8..63)", line, len);
1604				errors++;
1605			} else {
1606				os_free(bss->ssid.wpa_passphrase);
1607				bss->ssid.wpa_passphrase = os_strdup(pos);
1608			}
1609		} else if (os_strcmp(buf, "wpa_psk") == 0) {
1610			os_free(bss->ssid.wpa_psk);
1611			bss->ssid.wpa_psk =
1612				os_zalloc(sizeof(struct hostapd_wpa_psk));
1613			if (bss->ssid.wpa_psk == NULL)
1614				errors++;
1615			else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
1616					    PMK_LEN) ||
1617				 pos[PMK_LEN * 2] != '\0') {
1618				wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
1619					   "'%s'.", line, pos);
1620				errors++;
1621			} else {
1622				bss->ssid.wpa_psk->group = 1;
1623			}
1624		} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
1625			os_free(bss->ssid.wpa_psk_file);
1626			bss->ssid.wpa_psk_file = os_strdup(pos);
1627			if (!bss->ssid.wpa_psk_file) {
1628				wpa_printf(MSG_ERROR, "Line %d: allocation "
1629					   "failed", line);
1630				errors++;
1631			}
1632		} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
1633			bss->wpa_key_mgmt =
1634				hostapd_config_parse_key_mgmt(line, pos);
1635			if (bss->wpa_key_mgmt == -1)
1636				errors++;
1637		} else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
1638			bss->wpa_psk_radius = atoi(pos);
1639			if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
1640			    bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
1641			    bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
1642				wpa_printf(MSG_ERROR, "Line %d: unknown "
1643					   "wpa_psk_radius %d",
1644					   line, bss->wpa_psk_radius);
1645				errors++;
1646			}
1647		} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
1648			bss->wpa_pairwise =
1649				hostapd_config_parse_cipher(line, pos);
1650			if (bss->wpa_pairwise == -1 ||
1651			    bss->wpa_pairwise == 0)
1652				errors++;
1653			else if (bss->wpa_pairwise &
1654				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1655				  WPA_CIPHER_WEP104)) {
1656				wpa_printf(MSG_ERROR, "Line %d: unsupported "
1657					   "pairwise cipher suite '%s'",
1658					   bss->wpa_pairwise, pos);
1659				errors++;
1660			}
1661		} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
1662			bss->rsn_pairwise =
1663				hostapd_config_parse_cipher(line, pos);
1664			if (bss->rsn_pairwise == -1 ||
1665			    bss->rsn_pairwise == 0)
1666				errors++;
1667			else if (bss->rsn_pairwise &
1668				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
1669				  WPA_CIPHER_WEP104)) {
1670				wpa_printf(MSG_ERROR, "Line %d: unsupported "
1671					   "pairwise cipher suite '%s'",
1672					   bss->rsn_pairwise, pos);
1673				errors++;
1674			}
1675#ifdef CONFIG_RSN_PREAUTH
1676		} else if (os_strcmp(buf, "rsn_preauth") == 0) {
1677			bss->rsn_preauth = atoi(pos);
1678		} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
1679			bss->rsn_preauth_interfaces = os_strdup(pos);
1680#endif /* CONFIG_RSN_PREAUTH */
1681#ifdef CONFIG_PEERKEY
1682		} else if (os_strcmp(buf, "peerkey") == 0) {
1683			bss->peerkey = atoi(pos);
1684#endif /* CONFIG_PEERKEY */
1685#ifdef CONFIG_IEEE80211R
1686		} else if (os_strcmp(buf, "mobility_domain") == 0) {
1687			if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
1688			    hexstr2bin(pos, bss->mobility_domain,
1689				       MOBILITY_DOMAIN_ID_LEN) != 0) {
1690				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1691					   "mobility_domain '%s'", line, pos);
1692				errors++;
1693				continue;
1694			}
1695		} else if (os_strcmp(buf, "r1_key_holder") == 0) {
1696			if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
1697			    hexstr2bin(pos, bss->r1_key_holder,
1698				       FT_R1KH_ID_LEN) != 0) {
1699				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1700					   "r1_key_holder '%s'", line, pos);
1701				errors++;
1702				continue;
1703			}
1704		} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
1705			bss->r0_key_lifetime = atoi(pos);
1706		} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
1707			bss->reassociation_deadline = atoi(pos);
1708		} else if (os_strcmp(buf, "r0kh") == 0) {
1709			if (add_r0kh(bss, pos) < 0) {
1710				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1711					   "r0kh '%s'", line, pos);
1712				errors++;
1713				continue;
1714			}
1715		} else if (os_strcmp(buf, "r1kh") == 0) {
1716			if (add_r1kh(bss, pos) < 0) {
1717				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
1718					   "r1kh '%s'", line, pos);
1719				errors++;
1720				continue;
1721			}
1722		} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
1723			bss->pmk_r1_push = atoi(pos);
1724		} else if (os_strcmp(buf, "ft_over_ds") == 0) {
1725			bss->ft_over_ds = atoi(pos);
1726#endif /* CONFIG_IEEE80211R */
1727#ifndef CONFIG_NO_CTRL_IFACE
1728		} else if (os_strcmp(buf, "ctrl_interface") == 0) {
1729			os_free(bss->ctrl_interface);
1730			bss->ctrl_interface = os_strdup(pos);
1731		} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
1732#ifndef CONFIG_NATIVE_WINDOWS
1733			struct group *grp;
1734			char *endp;
1735			const char *group = pos;
1736
1737			grp = getgrnam(group);
1738			if (grp) {
1739				bss->ctrl_interface_gid = grp->gr_gid;
1740				bss->ctrl_interface_gid_set = 1;
1741				wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
1742					   " (from group name '%s')",
1743					   bss->ctrl_interface_gid, group);
1744				continue;
1745			}
1746
1747			/* Group name not found - try to parse this as gid */
1748			bss->ctrl_interface_gid = strtol(group, &endp, 10);
1749			if (*group == '\0' || *endp != '\0') {
1750				wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
1751					   "'%s'", line, group);
1752				errors++;
1753				continue;
1754			}
1755			bss->ctrl_interface_gid_set = 1;
1756			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
1757				   bss->ctrl_interface_gid);
1758#endif /* CONFIG_NATIVE_WINDOWS */
1759#endif /* CONFIG_NO_CTRL_IFACE */
1760#ifdef RADIUS_SERVER
1761		} else if (os_strcmp(buf, "radius_server_clients") == 0) {
1762			os_free(bss->radius_server_clients);
1763			bss->radius_server_clients = os_strdup(pos);
1764		} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
1765			bss->radius_server_auth_port = atoi(pos);
1766		} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
1767			bss->radius_server_ipv6 = atoi(pos);
1768#endif /* RADIUS_SERVER */
1769		} else if (os_strcmp(buf, "test_socket") == 0) {
1770			os_free(bss->test_socket);
1771			bss->test_socket = os_strdup(pos);
1772		} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
1773			bss->use_pae_group_addr = atoi(pos);
1774		} else if (os_strcmp(buf, "hw_mode") == 0) {
1775			if (os_strcmp(pos, "a") == 0)
1776				conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
1777			else if (os_strcmp(pos, "b") == 0)
1778				conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
1779			else if (os_strcmp(pos, "g") == 0)
1780				conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
1781			else {
1782				wpa_printf(MSG_ERROR, "Line %d: unknown "
1783					   "hw_mode '%s'", line, pos);
1784				errors++;
1785			}
1786		} else if (os_strcmp(buf, "wps_rf_bands") == 0) {
1787			if (os_strcmp(pos, "a") == 0)
1788				bss->wps_rf_bands = WPS_RF_50GHZ;
1789			else if (os_strcmp(pos, "g") == 0 ||
1790				 os_strcmp(pos, "b") == 0)
1791				bss->wps_rf_bands = WPS_RF_24GHZ;
1792			else if (os_strcmp(pos, "ag") == 0 ||
1793				 os_strcmp(pos, "ga") == 0)
1794				bss->wps_rf_bands =
1795					WPS_RF_24GHZ | WPS_RF_50GHZ;
1796			else {
1797				wpa_printf(MSG_ERROR, "Line %d: unknown "
1798					   "wps_rf_band '%s'", line, pos);
1799				errors++;
1800			}
1801		} else if (os_strcmp(buf, "channel") == 0) {
1802			conf->channel = atoi(pos);
1803		} else if (os_strcmp(buf, "beacon_int") == 0) {
1804			int val = atoi(pos);
1805			/* MIB defines range as 1..65535, but very small values
1806			 * cause problems with the current implementation.
1807			 * Since it is unlikely that this small numbers are
1808			 * useful in real life scenarios, do not allow beacon
1809			 * period to be set below 15 TU. */
1810			if (val < 15 || val > 65535) {
1811				wpa_printf(MSG_ERROR, "Line %d: invalid "
1812					   "beacon_int %d (expected "
1813					   "15..65535)", line, val);
1814				errors++;
1815			} else
1816				conf->beacon_int = val;
1817		} else if (os_strcmp(buf, "dtim_period") == 0) {
1818			bss->dtim_period = atoi(pos);
1819			if (bss->dtim_period < 1 || bss->dtim_period > 255) {
1820				wpa_printf(MSG_ERROR, "Line %d: invalid "
1821					   "dtim_period %d",
1822					   line, bss->dtim_period);
1823				errors++;
1824			}
1825		} else if (os_strcmp(buf, "rts_threshold") == 0) {
1826			conf->rts_threshold = atoi(pos);
1827			if (conf->rts_threshold < 0 ||
1828			    conf->rts_threshold > 2347) {
1829				wpa_printf(MSG_ERROR, "Line %d: invalid "
1830					   "rts_threshold %d",
1831					   line, conf->rts_threshold);
1832				errors++;
1833			}
1834		} else if (os_strcmp(buf, "fragm_threshold") == 0) {
1835			conf->fragm_threshold = atoi(pos);
1836			if (conf->fragm_threshold < 256 ||
1837			    conf->fragm_threshold > 2346) {
1838				wpa_printf(MSG_ERROR, "Line %d: invalid "
1839					   "fragm_threshold %d",
1840					   line, conf->fragm_threshold);
1841				errors++;
1842			}
1843		} else if (os_strcmp(buf, "send_probe_response") == 0) {
1844			int val = atoi(pos);
1845			if (val != 0 && val != 1) {
1846				wpa_printf(MSG_ERROR, "Line %d: invalid "
1847					   "send_probe_response %d (expected "
1848					   "0 or 1)", line, val);
1849			} else
1850				conf->send_probe_response = val;
1851		} else if (os_strcmp(buf, "supported_rates") == 0) {
1852			if (hostapd_parse_rates(&conf->supported_rates, pos)) {
1853				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1854					   "list", line);
1855				errors++;
1856			}
1857		} else if (os_strcmp(buf, "basic_rates") == 0) {
1858			if (hostapd_parse_rates(&conf->basic_rates, pos)) {
1859				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
1860					   "list", line);
1861				errors++;
1862			}
1863		} else if (os_strcmp(buf, "preamble") == 0) {
1864			if (atoi(pos))
1865				conf->preamble = SHORT_PREAMBLE;
1866			else
1867				conf->preamble = LONG_PREAMBLE;
1868		} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
1869			bss->ignore_broadcast_ssid = atoi(pos);
1870		} else if (os_strcmp(buf, "wep_default_key") == 0) {
1871			bss->ssid.wep.idx = atoi(pos);
1872			if (bss->ssid.wep.idx > 3) {
1873				wpa_printf(MSG_ERROR, "Invalid "
1874					   "wep_default_key index %d",
1875					   bss->ssid.wep.idx);
1876				errors++;
1877			}
1878		} else if (os_strcmp(buf, "wep_key0") == 0 ||
1879			   os_strcmp(buf, "wep_key1") == 0 ||
1880			   os_strcmp(buf, "wep_key2") == 0 ||
1881			   os_strcmp(buf, "wep_key3") == 0) {
1882			if (hostapd_config_read_wep(&bss->ssid.wep,
1883						    buf[7] - '0', pos)) {
1884				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
1885					   "key '%s'", line, buf);
1886				errors++;
1887			}
1888#ifndef CONFIG_NO_VLAN
1889		} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
1890			bss->ssid.dynamic_vlan = atoi(pos);
1891		} else if (os_strcmp(buf, "vlan_file") == 0) {
1892			if (hostapd_config_read_vlan_file(bss, pos)) {
1893				wpa_printf(MSG_ERROR, "Line %d: failed to "
1894					   "read VLAN file '%s'", line, pos);
1895				errors++;
1896			}
1897#ifdef CONFIG_FULL_DYNAMIC_VLAN
1898		} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
1899			bss->ssid.vlan_tagged_interface = os_strdup(pos);
1900#endif /* CONFIG_FULL_DYNAMIC_VLAN */
1901#endif /* CONFIG_NO_VLAN */
1902		} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
1903			conf->ap_table_max_size = atoi(pos);
1904		} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
1905			conf->ap_table_expiration_time = atoi(pos);
1906		} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
1907			if (hostapd_config_tx_queue(conf, buf, pos)) {
1908				wpa_printf(MSG_ERROR, "Line %d: invalid TX "
1909					   "queue item", line);
1910				errors++;
1911			}
1912		} else if (os_strcmp(buf, "wme_enabled") == 0 ||
1913			   os_strcmp(buf, "wmm_enabled") == 0) {
1914			bss->wmm_enabled = atoi(pos);
1915		} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
1916			bss->wmm_uapsd = atoi(pos);
1917		} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
1918			   os_strncmp(buf, "wmm_ac_", 7) == 0) {
1919			if (hostapd_config_wmm_ac(conf, buf, pos)) {
1920				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
1921					   "ac item", line);
1922				errors++;
1923			}
1924		} else if (os_strcmp(buf, "bss") == 0) {
1925			if (hostapd_config_bss(conf, pos)) {
1926				wpa_printf(MSG_ERROR, "Line %d: invalid bss "
1927					   "item", line);
1928				errors++;
1929			}
1930		} else if (os_strcmp(buf, "bssid") == 0) {
1931			if (hwaddr_aton(pos, bss->bssid)) {
1932				wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
1933					   "item", line);
1934				errors++;
1935			}
1936#ifdef CONFIG_IEEE80211W
1937		} else if (os_strcmp(buf, "ieee80211w") == 0) {
1938			bss->ieee80211w = atoi(pos);
1939		} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
1940			bss->assoc_sa_query_max_timeout = atoi(pos);
1941			if (bss->assoc_sa_query_max_timeout == 0) {
1942				wpa_printf(MSG_ERROR, "Line %d: invalid "
1943					   "assoc_sa_query_max_timeout", line);
1944				errors++;
1945			}
1946		} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
1947		{
1948			bss->assoc_sa_query_retry_timeout = atoi(pos);
1949			if (bss->assoc_sa_query_retry_timeout == 0) {
1950				wpa_printf(MSG_ERROR, "Line %d: invalid "
1951					   "assoc_sa_query_retry_timeout",
1952					   line);
1953				errors++;
1954			}
1955#endif /* CONFIG_IEEE80211W */
1956#ifdef CONFIG_IEEE80211N
1957		} else if (os_strcmp(buf, "ieee80211n") == 0) {
1958			conf->ieee80211n = atoi(pos);
1959		} else if (os_strcmp(buf, "ht_capab") == 0) {
1960			if (hostapd_config_ht_capab(conf, pos) < 0) {
1961				wpa_printf(MSG_ERROR, "Line %d: invalid "
1962					   "ht_capab", line);
1963				errors++;
1964			}
1965		} else if (os_strcmp(buf, "require_ht") == 0) {
1966			conf->require_ht = atoi(pos);
1967#endif /* CONFIG_IEEE80211N */
1968		} else if (os_strcmp(buf, "max_listen_interval") == 0) {
1969			bss->max_listen_interval = atoi(pos);
1970		} else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
1971			bss->disable_pmksa_caching = atoi(pos);
1972		} else if (os_strcmp(buf, "okc") == 0) {
1973			bss->okc = atoi(pos);
1974#ifdef CONFIG_WPS
1975		} else if (os_strcmp(buf, "wps_state") == 0) {
1976			bss->wps_state = atoi(pos);
1977			if (bss->wps_state < 0 || bss->wps_state > 2) {
1978				wpa_printf(MSG_ERROR, "Line %d: invalid "
1979					   "wps_state", line);
1980				errors++;
1981			}
1982		} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
1983			bss->ap_setup_locked = atoi(pos);
1984		} else if (os_strcmp(buf, "uuid") == 0) {
1985			if (uuid_str2bin(pos, bss->uuid)) {
1986				wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
1987					   line);
1988				errors++;
1989			}
1990		} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
1991			os_free(bss->wps_pin_requests);
1992			bss->wps_pin_requests = os_strdup(pos);
1993		} else if (os_strcmp(buf, "device_name") == 0) {
1994			if (os_strlen(pos) > 32) {
1995				wpa_printf(MSG_ERROR, "Line %d: Too long "
1996					   "device_name", line);
1997				errors++;
1998			}
1999			os_free(bss->device_name);
2000			bss->device_name = os_strdup(pos);
2001		} else if (os_strcmp(buf, "manufacturer") == 0) {
2002			if (os_strlen(pos) > 64) {
2003				wpa_printf(MSG_ERROR, "Line %d: Too long "
2004					   "manufacturer", line);
2005				errors++;
2006			}
2007			os_free(bss->manufacturer);
2008			bss->manufacturer = os_strdup(pos);
2009		} else if (os_strcmp(buf, "model_name") == 0) {
2010			if (os_strlen(pos) > 32) {
2011				wpa_printf(MSG_ERROR, "Line %d: Too long "
2012					   "model_name", line);
2013				errors++;
2014			}
2015			os_free(bss->model_name);
2016			bss->model_name = os_strdup(pos);
2017		} else if (os_strcmp(buf, "model_number") == 0) {
2018			if (os_strlen(pos) > 32) {
2019				wpa_printf(MSG_ERROR, "Line %d: Too long "
2020					   "model_number", line);
2021				errors++;
2022			}
2023			os_free(bss->model_number);
2024			bss->model_number = os_strdup(pos);
2025		} else if (os_strcmp(buf, "serial_number") == 0) {
2026			if (os_strlen(pos) > 32) {
2027				wpa_printf(MSG_ERROR, "Line %d: Too long "
2028					   "serial_number", line);
2029				errors++;
2030			}
2031			os_free(bss->serial_number);
2032			bss->serial_number = os_strdup(pos);
2033		} else if (os_strcmp(buf, "device_type") == 0) {
2034			if (wps_dev_type_str2bin(pos, bss->device_type))
2035				errors++;
2036		} else if (os_strcmp(buf, "config_methods") == 0) {
2037			os_free(bss->config_methods);
2038			bss->config_methods = os_strdup(pos);
2039		} else if (os_strcmp(buf, "os_version") == 0) {
2040			if (hexstr2bin(pos, bss->os_version, 4)) {
2041				wpa_printf(MSG_ERROR, "Line %d: invalid "
2042					   "os_version", line);
2043				errors++;
2044			}
2045		} else if (os_strcmp(buf, "ap_pin") == 0) {
2046			os_free(bss->ap_pin);
2047			bss->ap_pin = os_strdup(pos);
2048		} else if (os_strcmp(buf, "skip_cred_build") == 0) {
2049			bss->skip_cred_build = atoi(pos);
2050		} else if (os_strcmp(buf, "extra_cred") == 0) {
2051			os_free(bss->extra_cred);
2052			bss->extra_cred =
2053				(u8 *) os_readfile(pos, &bss->extra_cred_len);
2054			if (bss->extra_cred == NULL) {
2055				wpa_printf(MSG_ERROR, "Line %d: could not "
2056					   "read Credentials from '%s'",
2057					   line, pos);
2058				errors++;
2059			}
2060		} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2061			bss->wps_cred_processing = atoi(pos);
2062		} else if (os_strcmp(buf, "ap_settings") == 0) {
2063			os_free(bss->ap_settings);
2064			bss->ap_settings =
2065				(u8 *) os_readfile(pos, &bss->ap_settings_len);
2066			if (bss->ap_settings == NULL) {
2067				wpa_printf(MSG_ERROR, "Line %d: could not "
2068					   "read AP Settings from '%s'",
2069					   line, pos);
2070				errors++;
2071			}
2072		} else if (os_strcmp(buf, "upnp_iface") == 0) {
2073			bss->upnp_iface = os_strdup(pos);
2074		} else if (os_strcmp(buf, "friendly_name") == 0) {
2075			os_free(bss->friendly_name);
2076			bss->friendly_name = os_strdup(pos);
2077		} else if (os_strcmp(buf, "manufacturer_url") == 0) {
2078			os_free(bss->manufacturer_url);
2079			bss->manufacturer_url = os_strdup(pos);
2080		} else if (os_strcmp(buf, "model_description") == 0) {
2081			os_free(bss->model_description);
2082			bss->model_description = os_strdup(pos);
2083		} else if (os_strcmp(buf, "model_url") == 0) {
2084			os_free(bss->model_url);
2085			bss->model_url = os_strdup(pos);
2086		} else if (os_strcmp(buf, "upc") == 0) {
2087			os_free(bss->upc);
2088			bss->upc = os_strdup(pos);
2089		} else if (os_strcmp(buf, "pbc_in_m1") == 0) {
2090			bss->pbc_in_m1 = atoi(pos);
2091#endif /* CONFIG_WPS */
2092#ifdef CONFIG_P2P_MANAGER
2093		} else if (os_strcmp(buf, "manage_p2p") == 0) {
2094			int manage = atoi(pos);
2095			if (manage)
2096				bss->p2p |= P2P_MANAGE;
2097			else
2098				bss->p2p &= ~P2P_MANAGE;
2099		} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
2100			if (atoi(pos))
2101				bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
2102			else
2103				bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
2104#endif /* CONFIG_P2P_MANAGER */
2105		} else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
2106			bss->disassoc_low_ack = atoi(pos);
2107		} else if (os_strcmp(buf, "tdls_prohibit") == 0) {
2108			int val = atoi(pos);
2109			if (val)
2110				bss->tdls |= TDLS_PROHIBIT;
2111			else
2112				bss->tdls &= ~TDLS_PROHIBIT;
2113		} else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
2114			int val = atoi(pos);
2115			if (val)
2116				bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
2117			else
2118				bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
2119#ifdef CONFIG_RSN_TESTING
2120		} else if (os_strcmp(buf, "rsn_testing") == 0) {
2121			extern int rsn_testing;
2122			rsn_testing = atoi(pos);
2123#endif /* CONFIG_RSN_TESTING */
2124		} else if (os_strcmp(buf, "time_advertisement") == 0) {
2125			bss->time_advertisement = atoi(pos);
2126		} else if (os_strcmp(buf, "time_zone") == 0) {
2127			size_t tz_len = os_strlen(pos);
2128			if (tz_len < 4 || tz_len > 255) {
2129				wpa_printf(MSG_DEBUG, "Line %d: invalid "
2130					   "time_zone", line);
2131				errors++;
2132				continue;
2133			}
2134			os_free(bss->time_zone);
2135			bss->time_zone = os_strdup(pos);
2136			if (bss->time_zone == NULL)
2137				errors++;
2138#ifdef CONFIG_INTERWORKING
2139		} else if (os_strcmp(buf, "interworking") == 0) {
2140			bss->interworking = atoi(pos);
2141		} else if (os_strcmp(buf, "access_network_type") == 0) {
2142			bss->access_network_type = atoi(pos);
2143			if (bss->access_network_type < 0 ||
2144			    bss->access_network_type > 15) {
2145				wpa_printf(MSG_ERROR, "Line %d: invalid "
2146					   "access_network_type", line);
2147				errors++;
2148			}
2149		} else if (os_strcmp(buf, "internet") == 0) {
2150			bss->internet = atoi(pos);
2151		} else if (os_strcmp(buf, "asra") == 0) {
2152			bss->asra = atoi(pos);
2153		} else if (os_strcmp(buf, "esr") == 0) {
2154			bss->esr = atoi(pos);
2155		} else if (os_strcmp(buf, "uesa") == 0) {
2156			bss->uesa = atoi(pos);
2157		} else if (os_strcmp(buf, "venue_group") == 0) {
2158			bss->venue_group = atoi(pos);
2159			bss->venue_info_set = 1;
2160		} else if (os_strcmp(buf, "venue_type") == 0) {
2161			bss->venue_type = atoi(pos);
2162			bss->venue_info_set = 1;
2163		} else if (os_strcmp(buf, "hessid") == 0) {
2164			if (hwaddr_aton(pos, bss->hessid)) {
2165				wpa_printf(MSG_ERROR, "Line %d: invalid "
2166					   "hessid", line);
2167				errors++;
2168			}
2169		} else if (os_strcmp(buf, "roaming_consortium") == 0) {
2170			if (parse_roaming_consortium(bss, pos, line) < 0)
2171				errors++;
2172#endif /* CONFIG_INTERWORKING */
2173#ifdef CONFIG_RADIUS_TEST
2174		} else if (os_strcmp(buf, "dump_msk_file") == 0) {
2175			os_free(bss->dump_msk_file);
2176			bss->dump_msk_file = os_strdup(pos);
2177#endif /* CONFIG_RADIUS_TEST */
2178		} else {
2179			wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
2180				   "item '%s'", line, buf);
2181			errors++;
2182		}
2183	}
2184
2185	fclose(f);
2186
2187	for (i = 0; i < conf->num_bss; i++) {
2188		bss = &conf->bss[i];
2189
2190		if (bss->individual_wep_key_len == 0) {
2191			/* individual keys are not use; can use key idx0 for
2192			 * broadcast keys */
2193			bss->broadcast_key_idx_min = 0;
2194		}
2195
2196		/* Select group cipher based on the enabled pairwise cipher
2197		 * suites */
2198		pairwise = 0;
2199		if (bss->wpa & 1)
2200			pairwise |= bss->wpa_pairwise;
2201		if (bss->wpa & 2) {
2202			if (bss->rsn_pairwise == 0)
2203				bss->rsn_pairwise = bss->wpa_pairwise;
2204			pairwise |= bss->rsn_pairwise;
2205		}
2206		if (pairwise & WPA_CIPHER_TKIP)
2207			bss->wpa_group = WPA_CIPHER_TKIP;
2208		else
2209			bss->wpa_group = WPA_CIPHER_CCMP;
2210
2211		bss->radius->auth_server = bss->radius->auth_servers;
2212		bss->radius->acct_server = bss->radius->acct_servers;
2213
2214		if (bss->wpa && bss->ieee802_1x) {
2215			bss->ssid.security_policy = SECURITY_WPA;
2216		} else if (bss->wpa) {
2217			bss->ssid.security_policy = SECURITY_WPA_PSK;
2218		} else if (bss->ieee802_1x) {
2219			int cipher = WPA_CIPHER_NONE;
2220			bss->ssid.security_policy = SECURITY_IEEE_802_1X;
2221			bss->ssid.wep.default_len = bss->default_wep_key_len;
2222			if (bss->default_wep_key_len)
2223				cipher = bss->default_wep_key_len >= 13 ?
2224					WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
2225			bss->wpa_group = cipher;
2226			bss->wpa_pairwise = cipher;
2227			bss->rsn_pairwise = cipher;
2228		} else if (bss->ssid.wep.keys_set) {
2229			int cipher = WPA_CIPHER_WEP40;
2230			if (bss->ssid.wep.len[0] >= 13)
2231				cipher = WPA_CIPHER_WEP104;
2232			bss->ssid.security_policy = SECURITY_STATIC_WEP;
2233			bss->wpa_group = cipher;
2234			bss->wpa_pairwise = cipher;
2235			bss->rsn_pairwise = cipher;
2236		} else {
2237			bss->ssid.security_policy = SECURITY_PLAINTEXT;
2238			bss->wpa_group = WPA_CIPHER_NONE;
2239			bss->wpa_pairwise = WPA_CIPHER_NONE;
2240			bss->rsn_pairwise = WPA_CIPHER_NONE;
2241		}
2242	}
2243
2244	if (hostapd_config_check(conf))
2245		errors++;
2246
2247#ifndef WPA_IGNORE_CONFIG_ERRORS
2248	if (errors) {
2249		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
2250			   "'%s'", errors, fname);
2251		hostapd_config_free(conf);
2252		conf = NULL;
2253	}
2254#endif /* WPA_IGNORE_CONFIG_ERRORS */
2255
2256	return conf;
2257}
2258