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      1 /*
      2  * hostapd / Configuration file parser
      3  * Copyright (c) 2003-2012, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #include "utils/includes.h"
     10 #ifndef CONFIG_NATIVE_WINDOWS
     11 #include <grp.h>
     12 #endif /* CONFIG_NATIVE_WINDOWS */
     13 
     14 #include "utils/common.h"
     15 #include "utils/uuid.h"
     16 #include "common/ieee802_11_defs.h"
     17 #include "drivers/driver.h"
     18 #include "eap_server/eap.h"
     19 #include "radius/radius_client.h"
     20 #include "ap/wpa_auth.h"
     21 #include "ap/ap_config.h"
     22 #include "config_file.h"
     23 
     24 
     25 extern struct wpa_driver_ops *wpa_drivers[];
     26 
     27 
     28 #ifndef CONFIG_NO_VLAN
     29 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
     30 					 const char *fname)
     31 {
     32 	FILE *f;
     33 	char buf[128], *pos, *pos2;
     34 	int line = 0, vlan_id;
     35 	struct hostapd_vlan *vlan;
     36 
     37 	f = fopen(fname, "r");
     38 	if (!f) {
     39 		wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
     40 		return -1;
     41 	}
     42 
     43 	while (fgets(buf, sizeof(buf), f)) {
     44 		line++;
     45 
     46 		if (buf[0] == '#')
     47 			continue;
     48 		pos = buf;
     49 		while (*pos != '\0') {
     50 			if (*pos == '\n') {
     51 				*pos = '\0';
     52 				break;
     53 			}
     54 			pos++;
     55 		}
     56 		if (buf[0] == '\0')
     57 			continue;
     58 
     59 		if (buf[0] == '*') {
     60 			vlan_id = VLAN_ID_WILDCARD;
     61 			pos = buf + 1;
     62 		} else {
     63 			vlan_id = strtol(buf, &pos, 10);
     64 			if (buf == pos || vlan_id < 1 ||
     65 			    vlan_id > MAX_VLAN_ID) {
     66 				wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
     67 					   "line %d in '%s'", line, fname);
     68 				fclose(f);
     69 				return -1;
     70 			}
     71 		}
     72 
     73 		while (*pos == ' ' || *pos == '\t')
     74 			pos++;
     75 		pos2 = pos;
     76 		while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
     77 			pos2++;
     78 		*pos2 = '\0';
     79 		if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
     80 			wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
     81 				   "in '%s'", line, fname);
     82 			fclose(f);
     83 			return -1;
     84 		}
     85 
     86 		vlan = os_malloc(sizeof(*vlan));
     87 		if (vlan == NULL) {
     88 			wpa_printf(MSG_ERROR, "Out of memory while reading "
     89 				   "VLAN interfaces from '%s'", fname);
     90 			fclose(f);
     91 			return -1;
     92 		}
     93 
     94 		os_memset(vlan, 0, sizeof(*vlan));
     95 		vlan->vlan_id = vlan_id;
     96 		os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
     97 		if (bss->vlan_tail)
     98 			bss->vlan_tail->next = vlan;
     99 		else
    100 			bss->vlan = vlan;
    101 		bss->vlan_tail = vlan;
    102 	}
    103 
    104 	fclose(f);
    105 
    106 	return 0;
    107 }
    108 #endif /* CONFIG_NO_VLAN */
    109 
    110 
    111 static int hostapd_acl_comp(const void *a, const void *b)
    112 {
    113 	const struct mac_acl_entry *aa = a;
    114 	const struct mac_acl_entry *bb = b;
    115 	return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
    116 }
    117 
    118 
    119 static int hostapd_config_read_maclist(const char *fname,
    120 				       struct mac_acl_entry **acl, int *num)
    121 {
    122 	FILE *f;
    123 	char buf[128], *pos;
    124 	int line = 0;
    125 	u8 addr[ETH_ALEN];
    126 	struct mac_acl_entry *newacl;
    127 	int vlan_id;
    128 
    129 	if (!fname)
    130 		return 0;
    131 
    132 	f = fopen(fname, "r");
    133 	if (!f) {
    134 		wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
    135 		return -1;
    136 	}
    137 
    138 	while (fgets(buf, sizeof(buf), f)) {
    139 		line++;
    140 
    141 		if (buf[0] == '#')
    142 			continue;
    143 		pos = buf;
    144 		while (*pos != '\0') {
    145 			if (*pos == '\n') {
    146 				*pos = '\0';
    147 				break;
    148 			}
    149 			pos++;
    150 		}
    151 		if (buf[0] == '\0')
    152 			continue;
    153 
    154 		if (hwaddr_aton(buf, addr)) {
    155 			wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
    156 				   "line %d in '%s'", buf, line, fname);
    157 			fclose(f);
    158 			return -1;
    159 		}
    160 
    161 		vlan_id = 0;
    162 		pos = buf;
    163 		while (*pos != '\0' && *pos != ' ' && *pos != '\t')
    164 			pos++;
    165 		while (*pos == ' ' || *pos == '\t')
    166 			pos++;
    167 		if (*pos != '\0')
    168 			vlan_id = atoi(pos);
    169 
    170 		newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
    171 		if (newacl == NULL) {
    172 			wpa_printf(MSG_ERROR, "MAC list reallocation failed");
    173 			fclose(f);
    174 			return -1;
    175 		}
    176 
    177 		*acl = newacl;
    178 		os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
    179 		(*acl)[*num].vlan_id = vlan_id;
    180 		(*num)++;
    181 	}
    182 
    183 	fclose(f);
    184 
    185 	qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
    186 
    187 	return 0;
    188 }
    189 
    190 
    191 #ifdef EAP_SERVER
    192 static int hostapd_config_read_eap_user(const char *fname,
    193 					struct hostapd_bss_config *conf)
    194 {
    195 	FILE *f;
    196 	char buf[512], *pos, *start, *pos2;
    197 	int line = 0, ret = 0, num_methods;
    198 	struct hostapd_eap_user *user, *tail = NULL;
    199 
    200 	if (!fname)
    201 		return 0;
    202 
    203 	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
    469 static int
    470 hostapd_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_array(*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 
    495 
    496 static struct hostapd_radius_attr *
    497 hostapd_parse_radius_attr(const char *value)
    498 {
    499 	const char *pos;
    500 	char syntax;
    501 	struct hostapd_radius_attr *attr;
    502 	size_t len;
    503 
    504 	attr = os_zalloc(sizeof(*attr));
    505 	if (attr == NULL)
    506 		return NULL;
    507 
    508 	attr->type = atoi(value);
    509 
    510 	pos = os_strchr(value, ':');
    511 	if (pos == NULL) {
    512 		attr->val = wpabuf_alloc(1);
    513 		if (attr->val == NULL) {
    514 			os_free(attr);
    515 			return NULL;
    516 		}
    517 		wpabuf_put_u8(attr->val, 0);
    518 		return attr;
    519 	}
    520 
    521 	pos++;
    522 	if (pos[0] == '\0' || pos[1] != ':') {
    523 		os_free(attr);
    524 		return NULL;
    525 	}
    526 	syntax = *pos++;
    527 	pos++;
    528 
    529 	switch (syntax) {
    530 	case 's':
    531 		attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
    532 		break;
    533 	case 'x':
    534 		len = os_strlen(pos);
    535 		if (len & 1)
    536 			break;
    537 		len /= 2;
    538 		attr->val = wpabuf_alloc(len);
    539 		if (attr->val == NULL)
    540 			break;
    541 		if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
    542 			wpabuf_free(attr->val);
    543 			os_free(attr);
    544 			return NULL;
    545 		}
    546 		break;
    547 	case 'd':
    548 		attr->val = wpabuf_alloc(4);
    549 		if (attr->val)
    550 			wpabuf_put_be32(attr->val, atoi(pos));
    551 		break;
    552 	default:
    553 		os_free(attr);
    554 		return NULL;
    555 	}
    556 
    557 	if (attr->val == NULL) {
    558 		os_free(attr);
    559 		return NULL;
    560 	}
    561 
    562 	return attr;
    563 }
    564 
    565 
    566 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
    567 				    const char *val)
    568 {
    569 	char *secret;
    570 
    571 	secret = os_strchr(val, ' ');
    572 	if (secret == NULL)
    573 		return -1;
    574 
    575 	secret++;
    576 
    577 	if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
    578 		return -1;
    579 
    580 	os_free(bss->radius_das_shared_secret);
    581 	bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
    582 	if (bss->radius_das_shared_secret == NULL)
    583 		return -1;
    584 	bss->radius_das_shared_secret_len = os_strlen(secret);
    585 
    586 	return 0;
    587 }
    588 #endif /* CONFIG_NO_RADIUS */
    589 
    590 
    591 static int hostapd_config_parse_key_mgmt(int line, const char *value)
    592 {
    593 	int val = 0, last;
    594 	char *start, *end, *buf;
    595 
    596 	buf = os_strdup(value);
    597 	if (buf == NULL)
    598 		return -1;
    599 	start = buf;
    600 
    601 	while (*start != '\0') {
    602 		while (*start == ' ' || *start == '\t')
    603 			start++;
    604 		if (*start == '\0')
    605 			break;
    606 		end = start;
    607 		while (*end != ' ' && *end != '\t' && *end != '\0')
    608 			end++;
    609 		last = *end == '\0';
    610 		*end = '\0';
    611 		if (os_strcmp(start, "WPA-PSK") == 0)
    612 			val |= WPA_KEY_MGMT_PSK;
    613 		else if (os_strcmp(start, "WPA-EAP") == 0)
    614 			val |= WPA_KEY_MGMT_IEEE8021X;
    615 #ifdef CONFIG_IEEE80211R
    616 		else if (os_strcmp(start, "FT-PSK") == 0)
    617 			val |= WPA_KEY_MGMT_FT_PSK;
    618 		else if (os_strcmp(start, "FT-EAP") == 0)
    619 			val |= WPA_KEY_MGMT_FT_IEEE8021X;
    620 #endif /* CONFIG_IEEE80211R */
    621 #ifdef CONFIG_IEEE80211W
    622 		else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
    623 			val |= WPA_KEY_MGMT_PSK_SHA256;
    624 		else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
    625 			val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
    626 #endif /* CONFIG_IEEE80211W */
    627 		else {
    628 			wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
    629 				   line, start);
    630 			os_free(buf);
    631 			return -1;
    632 		}
    633 
    634 		if (last)
    635 			break;
    636 		start = end + 1;
    637 	}
    638 
    639 	os_free(buf);
    640 	if (val == 0) {
    641 		wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
    642 			   "configured.", line);
    643 		return -1;
    644 	}
    645 
    646 	return val;
    647 }
    648 
    649 
    650 static int hostapd_config_parse_cipher(int line, const char *value)
    651 {
    652 	int val = 0, last;
    653 	char *start, *end, *buf;
    654 
    655 	buf = os_strdup(value);
    656 	if (buf == NULL)
    657 		return -1;
    658 	start = buf;
    659 
    660 	while (*start != '\0') {
    661 		while (*start == ' ' || *start == '\t')
    662 			start++;
    663 		if (*start == '\0')
    664 			break;
    665 		end = start;
    666 		while (*end != ' ' && *end != '\t' && *end != '\0')
    667 			end++;
    668 		last = *end == '\0';
    669 		*end = '\0';
    670 		if (os_strcmp(start, "CCMP") == 0)
    671 			val |= WPA_CIPHER_CCMP;
    672 		else if (os_strcmp(start, "GCMP") == 0)
    673 			val |= WPA_CIPHER_GCMP;
    674 		else if (os_strcmp(start, "TKIP") == 0)
    675 			val |= WPA_CIPHER_TKIP;
    676 		else if (os_strcmp(start, "WEP104") == 0)
    677 			val |= WPA_CIPHER_WEP104;
    678 		else if (os_strcmp(start, "WEP40") == 0)
    679 			val |= WPA_CIPHER_WEP40;
    680 		else if (os_strcmp(start, "NONE") == 0)
    681 			val |= WPA_CIPHER_NONE;
    682 		else {
    683 			wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
    684 				   line, start);
    685 			os_free(buf);
    686 			return -1;
    687 		}
    688 
    689 		if (last)
    690 			break;
    691 		start = end + 1;
    692 	}
    693 	os_free(buf);
    694 
    695 	if (val == 0) {
    696 		wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
    697 			   line);
    698 		return -1;
    699 	}
    700 	return val;
    701 }
    702 
    703 
    704 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
    705 				   char *val)
    706 {
    707 	size_t len = os_strlen(val);
    708 
    709 	if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
    710 		return -1;
    711 
    712 	if (val[0] == '"') {
    713 		if (len < 2 || val[len - 1] != '"')
    714 			return -1;
    715 		len -= 2;
    716 		wep->key[keyidx] = os_malloc(len);
    717 		if (wep->key[keyidx] == NULL)
    718 			return -1;
    719 		os_memcpy(wep->key[keyidx], val + 1, len);
    720 		wep->len[keyidx] = len;
    721 	} else {
    722 		if (len & 1)
    723 			return -1;
    724 		len /= 2;
    725 		wep->key[keyidx] = os_malloc(len);
    726 		if (wep->key[keyidx] == NULL)
    727 			return -1;
    728 		wep->len[keyidx] = len;
    729 		if (hexstr2bin(val, wep->key[keyidx], len) < 0)
    730 			return -1;
    731 	}
    732 
    733 	wep->keys_set++;
    734 
    735 	return 0;
    736 }
    737 
    738 
    739 static int hostapd_parse_rates(int **rate_list, char *val)
    740 {
    741 	int *list;
    742 	int count;
    743 	char *pos, *end;
    744 
    745 	os_free(*rate_list);
    746 	*rate_list = NULL;
    747 
    748 	pos = val;
    749 	count = 0;
    750 	while (*pos != '\0') {
    751 		if (*pos == ' ')
    752 			count++;
    753 		pos++;
    754 	}
    755 
    756 	list = os_malloc(sizeof(int) * (count + 2));
    757 	if (list == NULL)
    758 		return -1;
    759 	pos = val;
    760 	count = 0;
    761 	while (*pos != '\0') {
    762 		end = os_strchr(pos, ' ');
    763 		if (end)
    764 			*end = '\0';
    765 
    766 		list[count++] = atoi(pos);
    767 		if (!end)
    768 			break;
    769 		pos = end + 1;
    770 	}
    771 	list[count] = -1;
    772 
    773 	*rate_list = list;
    774 	return 0;
    775 }
    776 
    777 
    778 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
    779 {
    780 	struct hostapd_bss_config *bss;
    781 
    782 	if (*ifname == '\0')
    783 		return -1;
    784 
    785 	bss = os_realloc_array(conf->bss, conf->num_bss + 1,
    786 			       sizeof(struct hostapd_bss_config));
    787 	if (bss == NULL) {
    788 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
    789 			   "multi-BSS entry");
    790 		return -1;
    791 	}
    792 	conf->bss = bss;
    793 
    794 	bss = &(conf->bss[conf->num_bss]);
    795 	os_memset(bss, 0, sizeof(*bss));
    796 	bss->radius = os_zalloc(sizeof(*bss->radius));
    797 	if (bss->radius == NULL) {
    798 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
    799 			   "multi-BSS RADIUS data");
    800 		return -1;
    801 	}
    802 
    803 	conf->num_bss++;
    804 	conf->last_bss = bss;
    805 
    806 	hostapd_config_defaults_bss(bss);
    807 	os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
    808 	os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
    809 
    810 	return 0;
    811 }
    812 
    813 
    814 /* convert floats with one decimal place to value*10 int, i.e.,
    815  * "1.5" will return 15 */
    816 static int hostapd_config_read_int10(const char *value)
    817 {
    818 	int i, d;
    819 	char *pos;
    820 
    821 	i = atoi(value);
    822 	pos = os_strchr(value, '.');
    823 	d = 0;
    824 	if (pos) {
    825 		pos++;
    826 		if (*pos >= '0' && *pos <= '9')
    827 			d = *pos - '0';
    828 	}
    829 
    830 	return i * 10 + d;
    831 }
    832 
    833 
    834 static int valid_cw(int cw)
    835 {
    836 	return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
    837 		cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
    838 }
    839 
    840 
    841 enum {
    842 	IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
    843 	IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
    844 	IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
    845 	IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
    846 };
    847 
    848 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
    849 				   char *val)
    850 {
    851 	int num;
    852 	char *pos;
    853 	struct hostapd_tx_queue_params *queue;
    854 
    855 	/* skip 'tx_queue_' prefix */
    856 	pos = name + 9;
    857 	if (os_strncmp(pos, "data", 4) == 0 &&
    858 	    pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
    859 		num = pos[4] - '0';
    860 		pos += 6;
    861 	} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
    862 		   os_strncmp(pos, "beacon_", 7) == 0) {
    863 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
    864 		return 0;
    865 	} else {
    866 		wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
    867 		return -1;
    868 	}
    869 
    870 	if (num >= NUM_TX_QUEUES) {
    871 		/* for backwards compatibility, do not trigger failure */
    872 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
    873 		return 0;
    874 	}
    875 
    876 	queue = &conf->tx_queue[num];
    877 
    878 	if (os_strcmp(pos, "aifs") == 0) {
    879 		queue->aifs = atoi(val);
    880 		if (queue->aifs < 0 || queue->aifs > 255) {
    881 			wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
    882 				   queue->aifs);
    883 			return -1;
    884 		}
    885 	} else if (os_strcmp(pos, "cwmin") == 0) {
    886 		queue->cwmin = atoi(val);
    887 		if (!valid_cw(queue->cwmin)) {
    888 			wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
    889 				   queue->cwmin);
    890 			return -1;
    891 		}
    892 	} else if (os_strcmp(pos, "cwmax") == 0) {
    893 		queue->cwmax = atoi(val);
    894 		if (!valid_cw(queue->cwmax)) {
    895 			wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
    896 				   queue->cwmax);
    897 			return -1;
    898 		}
    899 	} else if (os_strcmp(pos, "burst") == 0) {
    900 		queue->burst = hostapd_config_read_int10(val);
    901 	} else {
    902 		wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
    903 		return -1;
    904 	}
    905 
    906 	return 0;
    907 }
    908 
    909 
    910 #ifdef CONFIG_IEEE80211R
    911 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
    912 {
    913 	struct ft_remote_r0kh *r0kh;
    914 	char *pos, *next;
    915 
    916 	r0kh = os_zalloc(sizeof(*r0kh));
    917 	if (r0kh == NULL)
    918 		return -1;
    919 
    920 	/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
    921 	pos = value;
    922 	next = os_strchr(pos, ' ');
    923 	if (next)
    924 		*next++ = '\0';
    925 	if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
    926 		wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
    927 		os_free(r0kh);
    928 		return -1;
    929 	}
    930 
    931 	pos = next;
    932 	next = os_strchr(pos, ' ');
    933 	if (next)
    934 		*next++ = '\0';
    935 	if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
    936 		wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
    937 		os_free(r0kh);
    938 		return -1;
    939 	}
    940 	r0kh->id_len = next - pos - 1;
    941 	os_memcpy(r0kh->id, pos, r0kh->id_len);
    942 
    943 	pos = next;
    944 	if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
    945 		wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
    946 		os_free(r0kh);
    947 		return -1;
    948 	}
    949 
    950 	r0kh->next = bss->r0kh_list;
    951 	bss->r0kh_list = r0kh;
    952 
    953 	return 0;
    954 }
    955 
    956 
    957 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
    958 {
    959 	struct ft_remote_r1kh *r1kh;
    960 	char *pos, *next;
    961 
    962 	r1kh = os_zalloc(sizeof(*r1kh));
    963 	if (r1kh == NULL)
    964 		return -1;
    965 
    966 	/* 02:01:02:03:04:05 02:01:02:03:04:05
    967 	 * 000102030405060708090a0b0c0d0e0f */
    968 	pos = value;
    969 	next = os_strchr(pos, ' ');
    970 	if (next)
    971 		*next++ = '\0';
    972 	if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
    973 		wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
    974 		os_free(r1kh);
    975 		return -1;
    976 	}
    977 
    978 	pos = next;
    979 	next = os_strchr(pos, ' ');
    980 	if (next)
    981 		*next++ = '\0';
    982 	if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
    983 		wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
    984 		os_free(r1kh);
    985 		return -1;
    986 	}
    987 
    988 	pos = next;
    989 	if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
    990 		wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
    991 		os_free(r1kh);
    992 		return -1;
    993 	}
    994 
    995 	r1kh->next = bss->r1kh_list;
    996 	bss->r1kh_list = r1kh;
    997 
    998 	return 0;
    999 }
   1000 #endif /* CONFIG_IEEE80211R */
   1001 
   1002 
   1003 #ifdef CONFIG_IEEE80211N
   1004 static int hostapd_config_ht_capab(struct hostapd_config *conf,
   1005 				   const char *capab)
   1006 {
   1007 	if (os_strstr(capab, "[LDPC]"))
   1008 		conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
   1009 	if (os_strstr(capab, "[HT40-]")) {
   1010 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
   1011 		conf->secondary_channel = -1;
   1012 	}
   1013 	if (os_strstr(capab, "[HT40+]")) {
   1014 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
   1015 		conf->secondary_channel = 1;
   1016 	}
   1017 	if (os_strstr(capab, "[SMPS-STATIC]")) {
   1018 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
   1019 		conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
   1020 	}
   1021 	if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
   1022 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
   1023 		conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
   1024 	}
   1025 	if (os_strstr(capab, "[GF]"))
   1026 		conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
   1027 	if (os_strstr(capab, "[SHORT-GI-20]"))
   1028 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
   1029 	if (os_strstr(capab, "[SHORT-GI-40]"))
   1030 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
   1031 	if (os_strstr(capab, "[TX-STBC]"))
   1032 		conf->ht_capab |= HT_CAP_INFO_TX_STBC;
   1033 	if (os_strstr(capab, "[RX-STBC1]")) {
   1034 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
   1035 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
   1036 	}
   1037 	if (os_strstr(capab, "[RX-STBC12]")) {
   1038 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
   1039 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
   1040 	}
   1041 	if (os_strstr(capab, "[RX-STBC123]")) {
   1042 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
   1043 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
   1044 	}
   1045 	if (os_strstr(capab, "[DELAYED-BA]"))
   1046 		conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
   1047 	if (os_strstr(capab, "[MAX-AMSDU-7935]"))
   1048 		conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
   1049 	if (os_strstr(capab, "[DSSS_CCK-40]"))
   1050 		conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
   1051 	if (os_strstr(capab, "[PSMP]"))
   1052 		conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
   1053 	if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
   1054 		conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
   1055 
   1056 	return 0;
   1057 }
   1058 #endif /* CONFIG_IEEE80211N */
   1059 
   1060 
   1061 #ifdef CONFIG_IEEE80211AC
   1062 static int hostapd_config_vht_capab(struct hostapd_config *conf,
   1063 				    const char *capab)
   1064 {
   1065 	if (os_strstr(capab, "[MAX-MPDU-7991]"))
   1066 		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
   1067 	if (os_strstr(capab, "[MAX-MPDU-11454]"))
   1068 		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
   1069 	if (os_strstr(capab, "[VHT160]"))
   1070 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
   1071 	if (os_strstr(capab, "[VHT160-80PLUS80]"))
   1072 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
   1073 	if (os_strstr(capab, "[VHT160-80PLUS80]"))
   1074 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
   1075 	if (os_strstr(capab, "[RXLDPC]"))
   1076 		conf->vht_capab |= VHT_CAP_RXLDPC;
   1077 	if (os_strstr(capab, "[SHORT-GI-80]"))
   1078 		conf->vht_capab |= VHT_CAP_SHORT_GI_80;
   1079 	if (os_strstr(capab, "[SHORT-GI-160]"))
   1080 		conf->vht_capab |= VHT_CAP_SHORT_GI_160;
   1081 	if (os_strstr(capab, "[TX-STBC-2BY1]"))
   1082 		conf->vht_capab |= VHT_CAP_TXSTBC;
   1083 	if (os_strstr(capab, "[RX-STBC-1]"))
   1084 		conf->vht_capab |= VHT_CAP_RXSTBC_1;
   1085 	if (os_strstr(capab, "[RX-STBC-12]"))
   1086 		conf->vht_capab |= VHT_CAP_RXSTBC_2;
   1087 	if (os_strstr(capab, "[RX-STBC-123]"))
   1088 		conf->vht_capab |= VHT_CAP_RXSTBC_3;
   1089 	if (os_strstr(capab, "[RX-STBC-1234]"))
   1090 		conf->vht_capab |= VHT_CAP_RXSTBC_4;
   1091 	if (os_strstr(capab, "[SU-BEAMFORMER]"))
   1092 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
   1093 	if (os_strstr(capab, "[SU-BEAMFORMEE]"))
   1094 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
   1095 	if (os_strstr(capab, "[BF-ANTENNA-2]") &&
   1096 	    (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
   1097 		conf->vht_capab |= VHT_CAP_BEAMFORMER_ANTENNAS_MAX;
   1098 	if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
   1099 	    (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
   1100 		conf->vht_capab |= VHT_CAP_SOUNDING_DIMENTION_MAX;
   1101 	if (os_strstr(capab, "[MU-BEAMFORMER]"))
   1102 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
   1103 	if (os_strstr(capab, "[MU-BEAMFORMEE]"))
   1104 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
   1105 	if (os_strstr(capab, "[VHT-TXOP-PS]"))
   1106 		conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
   1107 	if (os_strstr(capab, "[HTC-VHT]"))
   1108 		conf->vht_capab |= VHT_CAP_HTC_VHT;
   1109 	if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP0]"))
   1110 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT;
   1111 	if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
   1112 	    (conf->vht_capab & VHT_CAP_HTC_VHT))
   1113 		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
   1114 	if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
   1115 	    (conf->vht_capab & VHT_CAP_HTC_VHT))
   1116 		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
   1117 	if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
   1118 		conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
   1119 	if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
   1120 		conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
   1121 	return 0;
   1122 }
   1123 #endif /* CONFIG_IEEE80211AC */
   1124 
   1125 
   1126 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
   1127 				    struct hostapd_config *conf)
   1128 {
   1129 	if (bss->ieee802_1x && !bss->eap_server &&
   1130 	    !bss->radius->auth_servers) {
   1131 		wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
   1132 			   "EAP authenticator configured).");
   1133 		return -1;
   1134 	}
   1135 
   1136 	if (bss->wpa && bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
   1137 	    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
   1138 		wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
   1139 			   "RADIUS checking (macaddr_acl=2) enabled.");
   1140 		return -1;
   1141 	}
   1142 
   1143 	if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
   1144 	    bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
   1145 	    bss->ssid.wpa_psk_file == NULL &&
   1146 	    (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
   1147 	     bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
   1148 		wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
   1149 			   "is not configured.");
   1150 		return -1;
   1151 	}
   1152 
   1153 	if (hostapd_mac_comp_empty(bss->bssid) != 0) {
   1154 		size_t i;
   1155 
   1156 		for (i = 0; i < conf->num_bss; i++) {
   1157 			if ((&conf->bss[i] != bss) &&
   1158 			    (hostapd_mac_comp(conf->bss[i].bssid,
   1159 					      bss->bssid) == 0)) {
   1160 				wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
   1161 					   " on interface '%s' and '%s'.",
   1162 					   MAC2STR(bss->bssid),
   1163 					   conf->bss[i].iface, bss->iface);
   1164 				return -1;
   1165 			}
   1166 		}
   1167 	}
   1168 
   1169 #ifdef CONFIG_IEEE80211R
   1170 	if (wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
   1171 	    (bss->nas_identifier == NULL ||
   1172 	     os_strlen(bss->nas_identifier) < 1 ||
   1173 	     os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
   1174 		wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
   1175 			   "nas_identifier to be configured as a 1..48 octet "
   1176 			   "string");
   1177 		return -1;
   1178 	}
   1179 #endif /* CONFIG_IEEE80211R */
   1180 
   1181 #ifdef CONFIG_IEEE80211N
   1182 	if (conf->ieee80211n && conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
   1183 		bss->disable_11n = 1;
   1184 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
   1185 			   "allowed, disabling HT capabilites");
   1186 	}
   1187 
   1188 	if (conf->ieee80211n &&
   1189 	    bss->ssid.security_policy == SECURITY_STATIC_WEP) {
   1190 		bss->disable_11n = 1;
   1191 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
   1192 			   "allowed, disabling HT capabilities");
   1193 	}
   1194 
   1195 	if (conf->ieee80211n && bss->wpa &&
   1196 	    !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
   1197 	    !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP))) {
   1198 		bss->disable_11n = 1;
   1199 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
   1200 			   "requires CCMP/GCMP to be enabled, disabling HT "
   1201 			   "capabilities");
   1202 	}
   1203 #endif /* CONFIG_IEEE80211N */
   1204 
   1205 #ifdef CONFIG_WPS2
   1206 	if (bss->wps_state && bss->ignore_broadcast_ssid) {
   1207 		wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
   1208 			   "configuration forced WPS to be disabled");
   1209 		bss->wps_state = 0;
   1210 	}
   1211 
   1212 	if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
   1213 		wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
   1214 			   "disabled");
   1215 		bss->wps_state = 0;
   1216 	}
   1217 
   1218 	if (bss->wps_state && bss->wpa &&
   1219 	    (!(bss->wpa & 2) ||
   1220 	     !(bss->rsn_pairwise & WPA_CIPHER_CCMP))) {
   1221 		wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without "
   1222 			   "WPA2/CCMP forced WPS to be disabled");
   1223 		bss->wps_state = 0;
   1224 	}
   1225 #endif /* CONFIG_WPS2 */
   1226 
   1227 #ifdef CONFIG_HS20
   1228 	if (bss->hs20 &&
   1229 	    (!(bss->wpa & 2) ||
   1230 	     !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)))) {
   1231 		wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP "
   1232 			   "configuration is required for Hotspot 2.0 "
   1233 			   "functionality");
   1234 		return -1;
   1235 	}
   1236 #endif /* CONFIG_HS20 */
   1237 
   1238 	return 0;
   1239 }
   1240 
   1241 
   1242 static int hostapd_config_check(struct hostapd_config *conf)
   1243 {
   1244 	size_t i;
   1245 
   1246 	if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
   1247 		wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
   1248 			   "setting the country_code");
   1249 		return -1;
   1250 	}
   1251 
   1252 	for (i = 0; i < conf->num_bss; i++) {
   1253 		if (hostapd_config_check_bss(&conf->bss[i], conf))
   1254 			return -1;
   1255 	}
   1256 
   1257 	return 0;
   1258 }
   1259 
   1260 
   1261 #ifdef CONFIG_INTERWORKING
   1262 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
   1263 				    int line)
   1264 {
   1265 	size_t len = os_strlen(pos);
   1266 	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
   1267 
   1268 	struct hostapd_roaming_consortium *rc;
   1269 
   1270 	if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
   1271 	    hexstr2bin(pos, oi, len / 2)) {
   1272 		wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
   1273 			   "'%s'", line, pos);
   1274 		return -1;
   1275 	}
   1276 	len /= 2;
   1277 
   1278 	rc = os_realloc_array(bss->roaming_consortium,
   1279 			      bss->roaming_consortium_count + 1,
   1280 			      sizeof(struct hostapd_roaming_consortium));
   1281 	if (rc == NULL)
   1282 		return -1;
   1283 
   1284 	os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
   1285 	rc[bss->roaming_consortium_count].len = len;
   1286 
   1287 	bss->roaming_consortium = rc;
   1288 	bss->roaming_consortium_count++;
   1289 
   1290 	return 0;
   1291 }
   1292 
   1293 
   1294 static int parse_lang_string(struct hostapd_lang_string **array,
   1295 			     unsigned int *count, char *pos)
   1296 {
   1297 	char *sep;
   1298 	size_t clen, nlen;
   1299 	struct hostapd_lang_string *ls;
   1300 
   1301 	sep = os_strchr(pos, ':');
   1302 	if (sep == NULL)
   1303 		return -1;
   1304 	*sep++ = '\0';
   1305 
   1306 	clen = os_strlen(pos);
   1307 	if (clen < 2)
   1308 		return -1;
   1309 	nlen = os_strlen(sep);
   1310 	if (nlen > 252)
   1311 		return -1;
   1312 
   1313 	ls = os_realloc_array(*array, *count + 1,
   1314 			      sizeof(struct hostapd_lang_string));
   1315 	if (ls == NULL)
   1316 		return -1;
   1317 
   1318 	*array = ls;
   1319 	ls = &(*array)[*count];
   1320 	(*count)++;
   1321 
   1322 	os_memset(ls->lang, 0, sizeof(ls->lang));
   1323 	os_memcpy(ls->lang, pos, clen);
   1324 	ls->name_len = nlen;
   1325 	os_memcpy(ls->name, sep, nlen);
   1326 
   1327 	return 0;
   1328 }
   1329 
   1330 
   1331 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
   1332 			    int line)
   1333 {
   1334 	if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
   1335 		wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
   1336 			   line, pos);
   1337 		return -1;
   1338 	}
   1339 	return 0;
   1340 }
   1341 
   1342 
   1343 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
   1344 			       int line)
   1345 {
   1346 	size_t count;
   1347 	char *pos;
   1348 	u8 *info = NULL, *ipos;
   1349 
   1350 	/* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
   1351 
   1352 	count = 1;
   1353 	for (pos = buf; *pos; pos++) {
   1354 		if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
   1355 			goto fail;
   1356 		if (*pos == ';')
   1357 			count++;
   1358 	}
   1359 	if (1 + count * 3 > 0x7f)
   1360 		goto fail;
   1361 
   1362 	info = os_zalloc(2 + 3 + count * 3);
   1363 	if (info == NULL)
   1364 		return -1;
   1365 
   1366 	ipos = info;
   1367 	*ipos++ = 0; /* GUD - Version 1 */
   1368 	*ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
   1369 	*ipos++ = 0; /* PLMN List IEI */
   1370 	/* ext(b8) | Length of PLMN List value contents(b7..1) */
   1371 	*ipos++ = 1 + count * 3;
   1372 	*ipos++ = count; /* Number of PLMNs */
   1373 
   1374 	pos = buf;
   1375 	while (pos && *pos) {
   1376 		char *mcc, *mnc;
   1377 		size_t mnc_len;
   1378 
   1379 		mcc = pos;
   1380 		mnc = os_strchr(pos, ',');
   1381 		if (mnc == NULL)
   1382 			goto fail;
   1383 		*mnc++ = '\0';
   1384 		pos = os_strchr(mnc, ';');
   1385 		if (pos)
   1386 			*pos++ = '\0';
   1387 
   1388 		mnc_len = os_strlen(mnc);
   1389 		if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
   1390 			goto fail;
   1391 
   1392 		/* BC coded MCC,MNC */
   1393 		/* MCC digit 2 | MCC digit 1 */
   1394 		*ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
   1395 		/* MNC digit 3 | MCC digit 3 */
   1396 		*ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
   1397 			(mcc[2] - '0');
   1398 		/* MNC digit 2 | MNC digit 1 */
   1399 		*ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
   1400 	}
   1401 
   1402 	os_free(bss->anqp_3gpp_cell_net);
   1403 	bss->anqp_3gpp_cell_net = info;
   1404 	bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
   1405 	wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
   1406 		    bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
   1407 
   1408 	return 0;
   1409 
   1410 fail:
   1411 	wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
   1412 		   line, buf);
   1413 	os_free(info);
   1414 	return -1;
   1415 }
   1416 
   1417 
   1418 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
   1419 {
   1420 	struct hostapd_nai_realm_data *realm;
   1421 	size_t i, j, len;
   1422 	int *offsets;
   1423 	char *pos, *end, *rpos;
   1424 
   1425 	offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
   1426 			    sizeof(int));
   1427 	if (offsets == NULL)
   1428 		return -1;
   1429 
   1430 	for (i = 0; i < bss->nai_realm_count; i++) {
   1431 		realm = &bss->nai_realm_data[i];
   1432 		for (j = 0; j < MAX_NAI_REALMS; j++) {
   1433 			offsets[i * MAX_NAI_REALMS + j] =
   1434 				realm->realm[j] ?
   1435 				realm->realm[j] - realm->realm_buf : -1;
   1436 		}
   1437 	}
   1438 
   1439 	realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
   1440 				 sizeof(struct hostapd_nai_realm_data));
   1441 	if (realm == NULL) {
   1442 		os_free(offsets);
   1443 		return -1;
   1444 	}
   1445 	bss->nai_realm_data = realm;
   1446 
   1447 	/* patch the pointers after realloc */
   1448 	for (i = 0; i < bss->nai_realm_count; i++) {
   1449 		realm = &bss->nai_realm_data[i];
   1450 		for (j = 0; j < MAX_NAI_REALMS; j++) {
   1451 			int offs = offsets[i * MAX_NAI_REALMS + j];
   1452 			if (offs >= 0)
   1453 				realm->realm[j] = realm->realm_buf + offs;
   1454 			else
   1455 				realm->realm[j] = NULL;
   1456 		}
   1457 	}
   1458 	os_free(offsets);
   1459 
   1460 	realm = &bss->nai_realm_data[bss->nai_realm_count];
   1461 	os_memset(realm, 0, sizeof(*realm));
   1462 
   1463 	pos = buf;
   1464 	realm->encoding = atoi(pos);
   1465 	pos = os_strchr(pos, ',');
   1466 	if (pos == NULL)
   1467 		goto fail;
   1468 	pos++;
   1469 
   1470 	end = os_strchr(pos, ',');
   1471 	if (end) {
   1472 		len = end - pos;
   1473 		*end = '\0';
   1474 	} else {
   1475 		len = os_strlen(pos);
   1476 	}
   1477 
   1478 	if (len > MAX_NAI_REALMLEN) {
   1479 		wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
   1480 			   "characters)", (int) len, MAX_NAI_REALMLEN);
   1481 		goto fail;
   1482 	}
   1483 	os_memcpy(realm->realm_buf, pos, len);
   1484 
   1485 	if (end)
   1486 		pos = end + 1;
   1487 	else
   1488 		pos = NULL;
   1489 
   1490 	while (pos && *pos) {
   1491 		struct hostapd_nai_realm_eap *eap;
   1492 
   1493 		if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
   1494 			wpa_printf(MSG_ERROR, "Too many EAP methods");
   1495 			goto fail;
   1496 		}
   1497 
   1498 		eap = &realm->eap_method[realm->eap_method_count];
   1499 		realm->eap_method_count++;
   1500 
   1501 		end = os_strchr(pos, ',');
   1502 		if (end == NULL)
   1503 			end = pos + os_strlen(pos);
   1504 
   1505 		eap->eap_method = atoi(pos);
   1506 		for (;;) {
   1507 			pos = os_strchr(pos, '[');
   1508 			if (pos == NULL || pos > end)
   1509 				break;
   1510 			pos++;
   1511 			if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
   1512 				wpa_printf(MSG_ERROR, "Too many auth params");
   1513 				goto fail;
   1514 			}
   1515 			eap->auth_id[eap->num_auths] = atoi(pos);
   1516 			pos = os_strchr(pos, ':');
   1517 			if (pos == NULL || pos > end)
   1518 				goto fail;
   1519 			pos++;
   1520 			eap->auth_val[eap->num_auths] = atoi(pos);
   1521 			pos = os_strchr(pos, ']');
   1522 			if (pos == NULL || pos > end)
   1523 				goto fail;
   1524 			pos++;
   1525 			eap->num_auths++;
   1526 		}
   1527 
   1528 		if (*end != ',')
   1529 			break;
   1530 
   1531 		pos = end + 1;
   1532 	}
   1533 
   1534 	/* Split realm list into null terminated realms */
   1535 	rpos = realm->realm_buf;
   1536 	i = 0;
   1537 	while (*rpos) {
   1538 		if (i >= MAX_NAI_REALMS) {
   1539 			wpa_printf(MSG_ERROR, "Too many realms");
   1540 			goto fail;
   1541 		}
   1542 		realm->realm[i++] = rpos;
   1543 		rpos = os_strchr(rpos, ';');
   1544 		if (rpos == NULL)
   1545 			break;
   1546 		*rpos++ = '\0';
   1547 	}
   1548 
   1549 	bss->nai_realm_count++;
   1550 
   1551 	return 0;
   1552 
   1553 fail:
   1554 	wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
   1555 	return -1;
   1556 }
   1557 
   1558 #endif /* CONFIG_INTERWORKING */
   1559 
   1560 
   1561 #ifdef CONFIG_HS20
   1562 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
   1563 				 int line)
   1564 {
   1565 	u8 *conn_cap;
   1566 	char *pos;
   1567 
   1568 	if (bss->hs20_connection_capability_len >= 0xfff0)
   1569 		return -1;
   1570 
   1571 	conn_cap = os_realloc(bss->hs20_connection_capability,
   1572 			      bss->hs20_connection_capability_len + 4);
   1573 	if (conn_cap == NULL)
   1574 		return -1;
   1575 
   1576 	bss->hs20_connection_capability = conn_cap;
   1577 	conn_cap += bss->hs20_connection_capability_len;
   1578 	pos = buf;
   1579 	conn_cap[0] = atoi(pos);
   1580 	pos = os_strchr(pos, ':');
   1581 	if (pos == NULL)
   1582 		return -1;
   1583 	pos++;
   1584 	WPA_PUT_LE16(conn_cap + 1, atoi(pos));
   1585 	pos = os_strchr(pos, ':');
   1586 	if (pos == NULL)
   1587 		return -1;
   1588 	pos++;
   1589 	conn_cap[3] = atoi(pos);
   1590 	bss->hs20_connection_capability_len += 4;
   1591 
   1592 	return 0;
   1593 }
   1594 
   1595 
   1596 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
   1597 				  int line)
   1598 {
   1599 	u8 *wan_metrics;
   1600 	char *pos;
   1601 
   1602 	/* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
   1603 
   1604 	wan_metrics = os_zalloc(13);
   1605 	if (wan_metrics == NULL)
   1606 		return -1;
   1607 
   1608 	pos = buf;
   1609 	/* WAN Info */
   1610 	if (hexstr2bin(pos, wan_metrics, 1) < 0)
   1611 		goto fail;
   1612 	pos += 2;
   1613 	if (*pos != ':')
   1614 		goto fail;
   1615 	pos++;
   1616 
   1617 	/* Downlink Speed */
   1618 	WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
   1619 	pos = os_strchr(pos, ':');
   1620 	if (pos == NULL)
   1621 		goto fail;
   1622 	pos++;
   1623 
   1624 	/* Uplink Speed */
   1625 	WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
   1626 	pos = os_strchr(pos, ':');
   1627 	if (pos == NULL)
   1628 		goto fail;
   1629 	pos++;
   1630 
   1631 	/* Downlink Load */
   1632 	wan_metrics[9] = atoi(pos);
   1633 	pos = os_strchr(pos, ':');
   1634 	if (pos == NULL)
   1635 		goto fail;
   1636 	pos++;
   1637 
   1638 	/* Uplink Load */
   1639 	wan_metrics[10] = atoi(pos);
   1640 	pos = os_strchr(pos, ':');
   1641 	if (pos == NULL)
   1642 		goto fail;
   1643 	pos++;
   1644 
   1645 	/* LMD */
   1646 	WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
   1647 
   1648 	os_free(bss->hs20_wan_metrics);
   1649 	bss->hs20_wan_metrics = wan_metrics;
   1650 
   1651 	return 0;
   1652 
   1653 fail:
   1654 	wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
   1655 		   line, pos);
   1656 	os_free(wan_metrics);
   1657 	return -1;
   1658 }
   1659 
   1660 
   1661 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
   1662 					 char *pos, int line)
   1663 {
   1664 	if (parse_lang_string(&bss->hs20_oper_friendly_name,
   1665 			      &bss->hs20_oper_friendly_name_count, pos)) {
   1666 		wpa_printf(MSG_ERROR, "Line %d: Invalid "
   1667 			   "hs20_oper_friendly_name '%s'", line, pos);
   1668 		return -1;
   1669 	}
   1670 	return 0;
   1671 }
   1672 #endif /* CONFIG_HS20 */
   1673 
   1674 
   1675 #ifdef CONFIG_WPS_NFC
   1676 static struct wpabuf * hostapd_parse_bin(const char *buf)
   1677 {
   1678 	size_t len;
   1679 	struct wpabuf *ret;
   1680 
   1681 	len = os_strlen(buf);
   1682 	if (len & 0x01)
   1683 		return NULL;
   1684 	len /= 2;
   1685 
   1686 	ret = wpabuf_alloc(len);
   1687 	if (ret == NULL)
   1688 		return NULL;
   1689 
   1690 	if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
   1691 		wpabuf_free(ret);
   1692 		return NULL;
   1693 	}
   1694 
   1695 	return ret;
   1696 }
   1697 #endif /* CONFIG_WPS_NFC */
   1698 
   1699 
   1700 static int hostapd_config_fill(struct hostapd_config *conf,
   1701 			       struct hostapd_bss_config *bss,
   1702 			       char *buf, char *pos, int line)
   1703 {
   1704 	int errors = 0;
   1705 
   1706 	{
   1707 		if (os_strcmp(buf, "interface") == 0) {
   1708 			os_strlcpy(conf->bss[0].iface, pos,
   1709 				   sizeof(conf->bss[0].iface));
   1710 		} else if (os_strcmp(buf, "bridge") == 0) {
   1711 			os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
   1712 		} else if (os_strcmp(buf, "wds_bridge") == 0) {
   1713 			os_strlcpy(bss->wds_bridge, pos,
   1714 				   sizeof(bss->wds_bridge));
   1715 		} else if (os_strcmp(buf, "driver") == 0) {
   1716 			int j;
   1717 			/* clear to get error below if setting is invalid */
   1718 			conf->driver = NULL;
   1719 			for (j = 0; wpa_drivers[j]; j++) {
   1720 				if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
   1721 				{
   1722 					conf->driver = wpa_drivers[j];
   1723 					break;
   1724 				}
   1725 			}
   1726 			if (conf->driver == NULL) {
   1727 				wpa_printf(MSG_ERROR, "Line %d: invalid/"
   1728 					   "unknown driver '%s'", line, pos);
   1729 				errors++;
   1730 			}
   1731 		} else if (os_strcmp(buf, "debug") == 0) {
   1732 			wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
   1733 				   "configuration variable is not used "
   1734 				   "anymore", line);
   1735 		} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
   1736 			bss->logger_syslog_level = atoi(pos);
   1737 		} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
   1738 			bss->logger_stdout_level = atoi(pos);
   1739 		} else if (os_strcmp(buf, "logger_syslog") == 0) {
   1740 			bss->logger_syslog = atoi(pos);
   1741 		} else if (os_strcmp(buf, "logger_stdout") == 0) {
   1742 			bss->logger_stdout = atoi(pos);
   1743 		} else if (os_strcmp(buf, "dump_file") == 0) {
   1744 			bss->dump_log_name = os_strdup(pos);
   1745 		} else if (os_strcmp(buf, "ssid") == 0) {
   1746 			bss->ssid.ssid_len = os_strlen(pos);
   1747 			if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
   1748 			    bss->ssid.ssid_len < 1) {
   1749 				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
   1750 					   "'%s'", line, pos);
   1751 				errors++;
   1752 			} else {
   1753 				os_memcpy(bss->ssid.ssid, pos,
   1754 					  bss->ssid.ssid_len);
   1755 				bss->ssid.ssid_set = 1;
   1756 			}
   1757 		} else if (os_strcmp(buf, "ssid2") == 0) {
   1758 			size_t slen;
   1759 			char *str = wpa_config_parse_string(pos, &slen);
   1760 			if (str == NULL || slen < 1 ||
   1761 				   slen > HOSTAPD_MAX_SSID_LEN) {
   1762 				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
   1763 					   "'%s'", line, pos);
   1764 				errors++;
   1765 			} else {
   1766 				os_memcpy(bss->ssid.ssid, str, slen);
   1767 				bss->ssid.ssid_len = slen;
   1768 				bss->ssid.ssid_set = 1;
   1769 			}
   1770 			os_free(str);
   1771 		} else if (os_strcmp(buf, "macaddr_acl") == 0) {
   1772 			bss->macaddr_acl = atoi(pos);
   1773 			if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
   1774 			    bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
   1775 			    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
   1776 				wpa_printf(MSG_ERROR, "Line %d: unknown "
   1777 					   "macaddr_acl %d",
   1778 					   line, bss->macaddr_acl);
   1779 			}
   1780 		} else if (os_strcmp(buf, "accept_mac_file") == 0) {
   1781 			if (hostapd_config_read_maclist(pos, &bss->accept_mac,
   1782 							&bss->num_accept_mac))
   1783 			{
   1784 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
   1785 					   "read accept_mac_file '%s'",
   1786 					   line, pos);
   1787 				errors++;
   1788 			}
   1789 		} else if (os_strcmp(buf, "deny_mac_file") == 0) {
   1790 			if (hostapd_config_read_maclist(pos, &bss->deny_mac,
   1791 							&bss->num_deny_mac)) {
   1792 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
   1793 					   "read deny_mac_file '%s'",
   1794 					   line, pos);
   1795 				errors++;
   1796 			}
   1797 		} else if (os_strcmp(buf, "wds_sta") == 0) {
   1798 			bss->wds_sta = atoi(pos);
   1799 		} else if (os_strcmp(buf, "ap_isolate") == 0) {
   1800 			bss->isolate = atoi(pos);
   1801 		} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
   1802 			bss->ap_max_inactivity = atoi(pos);
   1803 		} else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
   1804 			bss->skip_inactivity_poll = atoi(pos);
   1805 		} else if (os_strcmp(buf, "country_code") == 0) {
   1806 			os_memcpy(conf->country, pos, 2);
   1807 			/* FIX: make this configurable */
   1808 			conf->country[2] = ' ';
   1809 		} else if (os_strcmp(buf, "ieee80211d") == 0) {
   1810 			conf->ieee80211d = atoi(pos);
   1811 		} else if (os_strcmp(buf, "ieee8021x") == 0) {
   1812 			bss->ieee802_1x = atoi(pos);
   1813 		} else if (os_strcmp(buf, "eapol_version") == 0) {
   1814 			bss->eapol_version = atoi(pos);
   1815 			if (bss->eapol_version < 1 ||
   1816 			    bss->eapol_version > 2) {
   1817 				wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
   1818 					   "version (%d): '%s'.",
   1819 					   line, bss->eapol_version, pos);
   1820 				errors++;
   1821 			} else
   1822 				wpa_printf(MSG_DEBUG, "eapol_version=%d",
   1823 					   bss->eapol_version);
   1824 #ifdef EAP_SERVER
   1825 		} else if (os_strcmp(buf, "eap_authenticator") == 0) {
   1826 			bss->eap_server = atoi(pos);
   1827 			wpa_printf(MSG_ERROR, "Line %d: obsolete "
   1828 				   "eap_authenticator used; this has been "
   1829 				   "renamed to eap_server", line);
   1830 		} else if (os_strcmp(buf, "eap_server") == 0) {
   1831 			bss->eap_server = atoi(pos);
   1832 		} else if (os_strcmp(buf, "eap_user_file") == 0) {
   1833 			if (hostapd_config_read_eap_user(pos, bss))
   1834 				errors++;
   1835 		} else if (os_strcmp(buf, "ca_cert") == 0) {
   1836 			os_free(bss->ca_cert);
   1837 			bss->ca_cert = os_strdup(pos);
   1838 		} else if (os_strcmp(buf, "server_cert") == 0) {
   1839 			os_free(bss->server_cert);
   1840 			bss->server_cert = os_strdup(pos);
   1841 		} else if (os_strcmp(buf, "private_key") == 0) {
   1842 			os_free(bss->private_key);
   1843 			bss->private_key = os_strdup(pos);
   1844 		} else if (os_strcmp(buf, "private_key_passwd") == 0) {
   1845 			os_free(bss->private_key_passwd);
   1846 			bss->private_key_passwd = os_strdup(pos);
   1847 		} else if (os_strcmp(buf, "check_crl") == 0) {
   1848 			bss->check_crl = atoi(pos);
   1849 		} else if (os_strcmp(buf, "dh_file") == 0) {
   1850 			os_free(bss->dh_file);
   1851 			bss->dh_file = os_strdup(pos);
   1852 		} else if (os_strcmp(buf, "fragment_size") == 0) {
   1853 			bss->fragment_size = atoi(pos);
   1854 #ifdef EAP_SERVER_FAST
   1855 		} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
   1856 			os_free(bss->pac_opaque_encr_key);
   1857 			bss->pac_opaque_encr_key = os_malloc(16);
   1858 			if (bss->pac_opaque_encr_key == NULL) {
   1859 				wpa_printf(MSG_ERROR, "Line %d: No memory for "
   1860 					   "pac_opaque_encr_key", line);
   1861 				errors++;
   1862 			} else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
   1863 					      16)) {
   1864 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   1865 					   "pac_opaque_encr_key", line);
   1866 				errors++;
   1867 			}
   1868 		} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
   1869 			size_t idlen = os_strlen(pos);
   1870 			if (idlen & 1) {
   1871 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   1872 					   "eap_fast_a_id", line);
   1873 				errors++;
   1874 			} else {
   1875 				os_free(bss->eap_fast_a_id);
   1876 				bss->eap_fast_a_id = os_malloc(idlen / 2);
   1877 				if (bss->eap_fast_a_id == NULL ||
   1878 				    hexstr2bin(pos, bss->eap_fast_a_id,
   1879 					       idlen / 2)) {
   1880 					wpa_printf(MSG_ERROR, "Line %d: "
   1881 						   "Failed to parse "
   1882 						   "eap_fast_a_id", line);
   1883 					errors++;
   1884 				} else
   1885 					bss->eap_fast_a_id_len = idlen / 2;
   1886 			}
   1887 		} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
   1888 			os_free(bss->eap_fast_a_id_info);
   1889 			bss->eap_fast_a_id_info = os_strdup(pos);
   1890 		} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
   1891 			bss->eap_fast_prov = atoi(pos);
   1892 		} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
   1893 			bss->pac_key_lifetime = atoi(pos);
   1894 		} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
   1895 			bss->pac_key_refresh_time = atoi(pos);
   1896 #endif /* EAP_SERVER_FAST */
   1897 #ifdef EAP_SERVER_SIM
   1898 		} else if (os_strcmp(buf, "eap_sim_db") == 0) {
   1899 			os_free(bss->eap_sim_db);
   1900 			bss->eap_sim_db = os_strdup(pos);
   1901 		} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
   1902 			bss->eap_sim_aka_result_ind = atoi(pos);
   1903 #endif /* EAP_SERVER_SIM */
   1904 #ifdef EAP_SERVER_TNC
   1905 		} else if (os_strcmp(buf, "tnc") == 0) {
   1906 			bss->tnc = atoi(pos);
   1907 #endif /* EAP_SERVER_TNC */
   1908 #ifdef EAP_SERVER_PWD
   1909 		} else if (os_strcmp(buf, "pwd_group") == 0) {
   1910 			bss->pwd_group = atoi(pos);
   1911 #endif /* EAP_SERVER_PWD */
   1912 #endif /* EAP_SERVER */
   1913 		} else if (os_strcmp(buf, "eap_message") == 0) {
   1914 			char *term;
   1915 			bss->eap_req_id_text = os_strdup(pos);
   1916 			if (bss->eap_req_id_text == NULL) {
   1917 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
   1918 					   "allocate memory for "
   1919 					   "eap_req_id_text", line);
   1920 				errors++;
   1921 				return errors;
   1922 			}
   1923 			bss->eap_req_id_text_len =
   1924 				os_strlen(bss->eap_req_id_text);
   1925 			term = os_strstr(bss->eap_req_id_text, "\\0");
   1926 			if (term) {
   1927 				*term++ = '\0';
   1928 				os_memmove(term, term + 1,
   1929 					   bss->eap_req_id_text_len -
   1930 					   (term - bss->eap_req_id_text) - 1);
   1931 				bss->eap_req_id_text_len--;
   1932 			}
   1933 		} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
   1934 			bss->default_wep_key_len = atoi(pos);
   1935 			if (bss->default_wep_key_len > 13) {
   1936 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
   1937 					   "key len %lu (= %lu bits)", line,
   1938 					   (unsigned long)
   1939 					   bss->default_wep_key_len,
   1940 					   (unsigned long)
   1941 					   bss->default_wep_key_len * 8);
   1942 				errors++;
   1943 			}
   1944 		} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
   1945 			bss->individual_wep_key_len = atoi(pos);
   1946 			if (bss->individual_wep_key_len < 0 ||
   1947 			    bss->individual_wep_key_len > 13) {
   1948 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
   1949 					   "key len %d (= %d bits)", line,
   1950 					   bss->individual_wep_key_len,
   1951 					   bss->individual_wep_key_len * 8);
   1952 				errors++;
   1953 			}
   1954 		} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
   1955 			bss->wep_rekeying_period = atoi(pos);
   1956 			if (bss->wep_rekeying_period < 0) {
   1957 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   1958 					   "period %d",
   1959 					   line, bss->wep_rekeying_period);
   1960 				errors++;
   1961 			}
   1962 		} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
   1963 			bss->eap_reauth_period = atoi(pos);
   1964 			if (bss->eap_reauth_period < 0) {
   1965 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   1966 					   "period %d",
   1967 					   line, bss->eap_reauth_period);
   1968 				errors++;
   1969 			}
   1970 		} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
   1971 			bss->eapol_key_index_workaround = atoi(pos);
   1972 #ifdef CONFIG_IAPP
   1973 		} else if (os_strcmp(buf, "iapp_interface") == 0) {
   1974 			bss->ieee802_11f = 1;
   1975 			os_strlcpy(bss->iapp_iface, pos,
   1976 				   sizeof(bss->iapp_iface));
   1977 #endif /* CONFIG_IAPP */
   1978 		} else if (os_strcmp(buf, "own_ip_addr") == 0) {
   1979 			if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
   1980 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
   1981 					   "address '%s'", line, pos);
   1982 				errors++;
   1983 			}
   1984 		} else if (os_strcmp(buf, "nas_identifier") == 0) {
   1985 			bss->nas_identifier = os_strdup(pos);
   1986 #ifndef CONFIG_NO_RADIUS
   1987 		} else if (os_strcmp(buf, "auth_server_addr") == 0) {
   1988 			if (hostapd_config_read_radius_addr(
   1989 				    &bss->radius->auth_servers,
   1990 				    &bss->radius->num_auth_servers, pos, 1812,
   1991 				    &bss->radius->auth_server)) {
   1992 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
   1993 					   "address '%s'", line, pos);
   1994 				errors++;
   1995 			}
   1996 		} else if (bss->radius->auth_server &&
   1997 			   os_strcmp(buf, "auth_server_port") == 0) {
   1998 			bss->radius->auth_server->port = atoi(pos);
   1999 		} else if (bss->radius->auth_server &&
   2000 			   os_strcmp(buf, "auth_server_shared_secret") == 0) {
   2001 			int len = os_strlen(pos);
   2002 			if (len == 0) {
   2003 				/* RFC 2865, Ch. 3 */
   2004 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
   2005 					   "secret is not allowed.", line);
   2006 				errors++;
   2007 			}
   2008 			bss->radius->auth_server->shared_secret =
   2009 				(u8 *) os_strdup(pos);
   2010 			bss->radius->auth_server->shared_secret_len = len;
   2011 		} else if (os_strcmp(buf, "acct_server_addr") == 0) {
   2012 			if (hostapd_config_read_radius_addr(
   2013 				    &bss->radius->acct_servers,
   2014 				    &bss->radius->num_acct_servers, pos, 1813,
   2015 				    &bss->radius->acct_server)) {
   2016 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
   2017 					   "address '%s'", line, pos);
   2018 				errors++;
   2019 			}
   2020 		} else if (bss->radius->acct_server &&
   2021 			   os_strcmp(buf, "acct_server_port") == 0) {
   2022 			bss->radius->acct_server->port = atoi(pos);
   2023 		} else if (bss->radius->acct_server &&
   2024 			   os_strcmp(buf, "acct_server_shared_secret") == 0) {
   2025 			int len = os_strlen(pos);
   2026 			if (len == 0) {
   2027 				/* RFC 2865, Ch. 3 */
   2028 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
   2029 					   "secret is not allowed.", line);
   2030 				errors++;
   2031 			}
   2032 			bss->radius->acct_server->shared_secret =
   2033 				(u8 *) os_strdup(pos);
   2034 			bss->radius->acct_server->shared_secret_len = len;
   2035 		} else if (os_strcmp(buf, "radius_retry_primary_interval") ==
   2036 			   0) {
   2037 			bss->radius->retry_primary_interval = atoi(pos);
   2038 		} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
   2039 		{
   2040 			bss->acct_interim_interval = atoi(pos);
   2041 		} else if (os_strcmp(buf, "radius_request_cui") == 0) {
   2042 			bss->radius_request_cui = atoi(pos);
   2043 		} else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
   2044 			struct hostapd_radius_attr *attr, *a;
   2045 			attr = hostapd_parse_radius_attr(pos);
   2046 			if (attr == NULL) {
   2047 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2048 					   "radius_auth_req_attr", line);
   2049 				errors++;
   2050 			} else if (bss->radius_auth_req_attr == NULL) {
   2051 				bss->radius_auth_req_attr = attr;
   2052 			} else {
   2053 				a = bss->radius_auth_req_attr;
   2054 				while (a->next)
   2055 					a = a->next;
   2056 				a->next = attr;
   2057 			}
   2058 		} else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
   2059 			struct hostapd_radius_attr *attr, *a;
   2060 			attr = hostapd_parse_radius_attr(pos);
   2061 			if (attr == NULL) {
   2062 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2063 					   "radius_acct_req_attr", line);
   2064 				errors++;
   2065 			} else if (bss->radius_acct_req_attr == NULL) {
   2066 				bss->radius_acct_req_attr = attr;
   2067 			} else {
   2068 				a = bss->radius_acct_req_attr;
   2069 				while (a->next)
   2070 					a = a->next;
   2071 				a->next = attr;
   2072 			}
   2073 		} else if (os_strcmp(buf, "radius_das_port") == 0) {
   2074 			bss->radius_das_port = atoi(pos);
   2075 		} else if (os_strcmp(buf, "radius_das_client") == 0) {
   2076 			if (hostapd_parse_das_client(bss, pos) < 0) {
   2077 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2078 					   "DAS client", line);
   2079 				errors++;
   2080 			}
   2081 		} else if (os_strcmp(buf, "radius_das_time_window") == 0) {
   2082 			bss->radius_das_time_window = atoi(pos);
   2083 		} else if (os_strcmp(buf, "radius_das_require_event_timestamp")
   2084 			   == 0) {
   2085 			bss->radius_das_require_event_timestamp = atoi(pos);
   2086 #endif /* CONFIG_NO_RADIUS */
   2087 		} else if (os_strcmp(buf, "auth_algs") == 0) {
   2088 			bss->auth_algs = atoi(pos);
   2089 			if (bss->auth_algs == 0) {
   2090 				wpa_printf(MSG_ERROR, "Line %d: no "
   2091 					   "authentication algorithms allowed",
   2092 					   line);
   2093 				errors++;
   2094 			}
   2095 		} else if (os_strcmp(buf, "max_num_sta") == 0) {
   2096 			bss->max_num_sta = atoi(pos);
   2097 			if (bss->max_num_sta < 0 ||
   2098 			    bss->max_num_sta > MAX_STA_COUNT) {
   2099 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2100 					   "max_num_sta=%d; allowed range "
   2101 					   "0..%d", line, bss->max_num_sta,
   2102 					   MAX_STA_COUNT);
   2103 				errors++;
   2104 			}
   2105 		} else if (os_strcmp(buf, "wpa") == 0) {
   2106 			bss->wpa = atoi(pos);
   2107 		} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
   2108 			bss->wpa_group_rekey = atoi(pos);
   2109 		} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
   2110 			bss->wpa_strict_rekey = atoi(pos);
   2111 		} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
   2112 			bss->wpa_gmk_rekey = atoi(pos);
   2113 		} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
   2114 			bss->wpa_ptk_rekey = atoi(pos);
   2115 		} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
   2116 			int len = os_strlen(pos);
   2117 			if (len < 8 || len > 63) {
   2118 				wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
   2119 					   "passphrase length %d (expected "
   2120 					   "8..63)", line, len);
   2121 				errors++;
   2122 			} else {
   2123 				os_free(bss->ssid.wpa_passphrase);
   2124 				bss->ssid.wpa_passphrase = os_strdup(pos);
   2125 				os_free(bss->ssid.wpa_psk);
   2126 				bss->ssid.wpa_psk = NULL;
   2127 			}
   2128 		} else if (os_strcmp(buf, "wpa_psk") == 0) {
   2129 			os_free(bss->ssid.wpa_psk);
   2130 			bss->ssid.wpa_psk =
   2131 				os_zalloc(sizeof(struct hostapd_wpa_psk));
   2132 			if (bss->ssid.wpa_psk == NULL)
   2133 				errors++;
   2134 			else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
   2135 					    PMK_LEN) ||
   2136 				 pos[PMK_LEN * 2] != '\0') {
   2137 				wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
   2138 					   "'%s'.", line, pos);
   2139 				errors++;
   2140 			} else {
   2141 				bss->ssid.wpa_psk->group = 1;
   2142 				os_free(bss->ssid.wpa_passphrase);
   2143 				bss->ssid.wpa_passphrase = NULL;
   2144 			}
   2145 		} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
   2146 			os_free(bss->ssid.wpa_psk_file);
   2147 			bss->ssid.wpa_psk_file = os_strdup(pos);
   2148 			if (!bss->ssid.wpa_psk_file) {
   2149 				wpa_printf(MSG_ERROR, "Line %d: allocation "
   2150 					   "failed", line);
   2151 				errors++;
   2152 			}
   2153 		} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
   2154 			bss->wpa_key_mgmt =
   2155 				hostapd_config_parse_key_mgmt(line, pos);
   2156 			if (bss->wpa_key_mgmt == -1)
   2157 				errors++;
   2158 		} else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
   2159 			bss->wpa_psk_radius = atoi(pos);
   2160 			if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
   2161 			    bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
   2162 			    bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
   2163 				wpa_printf(MSG_ERROR, "Line %d: unknown "
   2164 					   "wpa_psk_radius %d",
   2165 					   line, bss->wpa_psk_radius);
   2166 				errors++;
   2167 			}
   2168 		} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
   2169 			bss->wpa_pairwise =
   2170 				hostapd_config_parse_cipher(line, pos);
   2171 			if (bss->wpa_pairwise == -1 ||
   2172 			    bss->wpa_pairwise == 0)
   2173 				errors++;
   2174 			else if (bss->wpa_pairwise &
   2175 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
   2176 				  WPA_CIPHER_WEP104)) {
   2177 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
   2178 					   "pairwise cipher suite '%s'",
   2179 					   bss->wpa_pairwise, pos);
   2180 				errors++;
   2181 			}
   2182 		} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
   2183 			bss->rsn_pairwise =
   2184 				hostapd_config_parse_cipher(line, pos);
   2185 			if (bss->rsn_pairwise == -1 ||
   2186 			    bss->rsn_pairwise == 0)
   2187 				errors++;
   2188 			else if (bss->rsn_pairwise &
   2189 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
   2190 				  WPA_CIPHER_WEP104)) {
   2191 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
   2192 					   "pairwise cipher suite '%s'",
   2193 					   bss->rsn_pairwise, pos);
   2194 				errors++;
   2195 			}
   2196 #ifdef CONFIG_RSN_PREAUTH
   2197 		} else if (os_strcmp(buf, "rsn_preauth") == 0) {
   2198 			bss->rsn_preauth = atoi(pos);
   2199 		} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
   2200 			bss->rsn_preauth_interfaces = os_strdup(pos);
   2201 #endif /* CONFIG_RSN_PREAUTH */
   2202 #ifdef CONFIG_PEERKEY
   2203 		} else if (os_strcmp(buf, "peerkey") == 0) {
   2204 			bss->peerkey = atoi(pos);
   2205 #endif /* CONFIG_PEERKEY */
   2206 #ifdef CONFIG_IEEE80211R
   2207 		} else if (os_strcmp(buf, "mobility_domain") == 0) {
   2208 			if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
   2209 			    hexstr2bin(pos, bss->mobility_domain,
   2210 				       MOBILITY_DOMAIN_ID_LEN) != 0) {
   2211 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
   2212 					   "mobility_domain '%s'", line, pos);
   2213 				errors++;
   2214 				return errors;
   2215 			}
   2216 		} else if (os_strcmp(buf, "r1_key_holder") == 0) {
   2217 			if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
   2218 			    hexstr2bin(pos, bss->r1_key_holder,
   2219 				       FT_R1KH_ID_LEN) != 0) {
   2220 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
   2221 					   "r1_key_holder '%s'", line, pos);
   2222 				errors++;
   2223 				return errors;
   2224 			}
   2225 		} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
   2226 			bss->r0_key_lifetime = atoi(pos);
   2227 		} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
   2228 			bss->reassociation_deadline = atoi(pos);
   2229 		} else if (os_strcmp(buf, "r0kh") == 0) {
   2230 			if (add_r0kh(bss, pos) < 0) {
   2231 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
   2232 					   "r0kh '%s'", line, pos);
   2233 				errors++;
   2234 				return errors;
   2235 			}
   2236 		} else if (os_strcmp(buf, "r1kh") == 0) {
   2237 			if (add_r1kh(bss, pos) < 0) {
   2238 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
   2239 					   "r1kh '%s'", line, pos);
   2240 				errors++;
   2241 				return errors;
   2242 			}
   2243 		} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
   2244 			bss->pmk_r1_push = atoi(pos);
   2245 		} else if (os_strcmp(buf, "ft_over_ds") == 0) {
   2246 			bss->ft_over_ds = atoi(pos);
   2247 #endif /* CONFIG_IEEE80211R */
   2248 #ifndef CONFIG_NO_CTRL_IFACE
   2249 		} else if (os_strcmp(buf, "ctrl_interface") == 0) {
   2250 			os_free(bss->ctrl_interface);
   2251 			bss->ctrl_interface = os_strdup(pos);
   2252 		} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
   2253 #ifndef CONFIG_NATIVE_WINDOWS
   2254 			struct group *grp;
   2255 			char *endp;
   2256 			const char *group = pos;
   2257 
   2258 			grp = getgrnam(group);
   2259 			if (grp) {
   2260 				bss->ctrl_interface_gid = grp->gr_gid;
   2261 				bss->ctrl_interface_gid_set = 1;
   2262 				wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
   2263 					   " (from group name '%s')",
   2264 					   bss->ctrl_interface_gid, group);
   2265 				return errors;
   2266 			}
   2267 
   2268 			/* Group name not found - try to parse this as gid */
   2269 			bss->ctrl_interface_gid = strtol(group, &endp, 10);
   2270 			if (*group == '\0' || *endp != '\0') {
   2271 				wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
   2272 					   "'%s'", line, group);
   2273 				errors++;
   2274 				return errors;
   2275 			}
   2276 			bss->ctrl_interface_gid_set = 1;
   2277 			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
   2278 				   bss->ctrl_interface_gid);
   2279 #endif /* CONFIG_NATIVE_WINDOWS */
   2280 #endif /* CONFIG_NO_CTRL_IFACE */
   2281 #ifdef RADIUS_SERVER
   2282 		} else if (os_strcmp(buf, "radius_server_clients") == 0) {
   2283 			os_free(bss->radius_server_clients);
   2284 			bss->radius_server_clients = os_strdup(pos);
   2285 		} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
   2286 			bss->radius_server_auth_port = atoi(pos);
   2287 		} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
   2288 			bss->radius_server_ipv6 = atoi(pos);
   2289 #endif /* RADIUS_SERVER */
   2290 		} else if (os_strcmp(buf, "test_socket") == 0) {
   2291 			os_free(bss->test_socket);
   2292 			bss->test_socket = os_strdup(pos);
   2293 		} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
   2294 			bss->use_pae_group_addr = atoi(pos);
   2295 		} else if (os_strcmp(buf, "hw_mode") == 0) {
   2296 			if (os_strcmp(pos, "a") == 0)
   2297 				conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
   2298 			else if (os_strcmp(pos, "b") == 0)
   2299 				conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
   2300 			else if (os_strcmp(pos, "g") == 0)
   2301 				conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
   2302 			else {
   2303 				wpa_printf(MSG_ERROR, "Line %d: unknown "
   2304 					   "hw_mode '%s'", line, pos);
   2305 				errors++;
   2306 			}
   2307 		} else if (os_strcmp(buf, "wps_rf_bands") == 0) {
   2308 			if (os_strcmp(pos, "a") == 0)
   2309 				bss->wps_rf_bands = WPS_RF_50GHZ;
   2310 			else if (os_strcmp(pos, "g") == 0 ||
   2311 				 os_strcmp(pos, "b") == 0)
   2312 				bss->wps_rf_bands = WPS_RF_24GHZ;
   2313 			else if (os_strcmp(pos, "ag") == 0 ||
   2314 				 os_strcmp(pos, "ga") == 0)
   2315 				bss->wps_rf_bands =
   2316 					WPS_RF_24GHZ | WPS_RF_50GHZ;
   2317 			else {
   2318 				wpa_printf(MSG_ERROR, "Line %d: unknown "
   2319 					   "wps_rf_band '%s'", line, pos);
   2320 				errors++;
   2321 			}
   2322 		} else if (os_strcmp(buf, "channel") == 0) {
   2323 			conf->channel = atoi(pos);
   2324 		} else if (os_strcmp(buf, "beacon_int") == 0) {
   2325 			int val = atoi(pos);
   2326 			/* MIB defines range as 1..65535, but very small values
   2327 			 * cause problems with the current implementation.
   2328 			 * Since it is unlikely that this small numbers are
   2329 			 * useful in real life scenarios, do not allow beacon
   2330 			 * period to be set below 15 TU. */
   2331 			if (val < 15 || val > 65535) {
   2332 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2333 					   "beacon_int %d (expected "
   2334 					   "15..65535)", line, val);
   2335 				errors++;
   2336 			} else
   2337 				conf->beacon_int = val;
   2338 		} else if (os_strcmp(buf, "dtim_period") == 0) {
   2339 			bss->dtim_period = atoi(pos);
   2340 			if (bss->dtim_period < 1 || bss->dtim_period > 255) {
   2341 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2342 					   "dtim_period %d",
   2343 					   line, bss->dtim_period);
   2344 				errors++;
   2345 			}
   2346 		} else if (os_strcmp(buf, "rts_threshold") == 0) {
   2347 			conf->rts_threshold = atoi(pos);
   2348 			if (conf->rts_threshold < 0 ||
   2349 			    conf->rts_threshold > 2347) {
   2350 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2351 					   "rts_threshold %d",
   2352 					   line, conf->rts_threshold);
   2353 				errors++;
   2354 			}
   2355 		} else if (os_strcmp(buf, "fragm_threshold") == 0) {
   2356 			conf->fragm_threshold = atoi(pos);
   2357 			if (conf->fragm_threshold < 256 ||
   2358 			    conf->fragm_threshold > 2346) {
   2359 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2360 					   "fragm_threshold %d",
   2361 					   line, conf->fragm_threshold);
   2362 				errors++;
   2363 			}
   2364 		} else if (os_strcmp(buf, "send_probe_response") == 0) {
   2365 			int val = atoi(pos);
   2366 			if (val != 0 && val != 1) {
   2367 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2368 					   "send_probe_response %d (expected "
   2369 					   "0 or 1)", line, val);
   2370 			} else
   2371 				conf->send_probe_response = val;
   2372 		} else if (os_strcmp(buf, "supported_rates") == 0) {
   2373 			if (hostapd_parse_rates(&conf->supported_rates, pos)) {
   2374 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
   2375 					   "list", line);
   2376 				errors++;
   2377 			}
   2378 		} else if (os_strcmp(buf, "basic_rates") == 0) {
   2379 			if (hostapd_parse_rates(&conf->basic_rates, pos)) {
   2380 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
   2381 					   "list", line);
   2382 				errors++;
   2383 			}
   2384 		} else if (os_strcmp(buf, "preamble") == 0) {
   2385 			if (atoi(pos))
   2386 				conf->preamble = SHORT_PREAMBLE;
   2387 			else
   2388 				conf->preamble = LONG_PREAMBLE;
   2389 		} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
   2390 			bss->ignore_broadcast_ssid = atoi(pos);
   2391 		} else if (os_strcmp(buf, "wep_default_key") == 0) {
   2392 			bss->ssid.wep.idx = atoi(pos);
   2393 			if (bss->ssid.wep.idx > 3) {
   2394 				wpa_printf(MSG_ERROR, "Invalid "
   2395 					   "wep_default_key index %d",
   2396 					   bss->ssid.wep.idx);
   2397 				errors++;
   2398 			}
   2399 		} else if (os_strcmp(buf, "wep_key0") == 0 ||
   2400 			   os_strcmp(buf, "wep_key1") == 0 ||
   2401 			   os_strcmp(buf, "wep_key2") == 0 ||
   2402 			   os_strcmp(buf, "wep_key3") == 0) {
   2403 			if (hostapd_config_read_wep(&bss->ssid.wep,
   2404 						    buf[7] - '0', pos)) {
   2405 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
   2406 					   "key '%s'", line, buf);
   2407 				errors++;
   2408 			}
   2409 #ifndef CONFIG_NO_VLAN
   2410 		} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
   2411 			bss->ssid.dynamic_vlan = atoi(pos);
   2412 		} else if (os_strcmp(buf, "vlan_file") == 0) {
   2413 			if (hostapd_config_read_vlan_file(bss, pos)) {
   2414 				wpa_printf(MSG_ERROR, "Line %d: failed to "
   2415 					   "read VLAN file '%s'", line, pos);
   2416 				errors++;
   2417 			}
   2418 		} else if (os_strcmp(buf, "vlan_naming") == 0) {
   2419 			bss->ssid.vlan_naming = atoi(pos);
   2420 			if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
   2421 			    bss->ssid.vlan_naming < 0) {
   2422 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2423 					   "naming scheme %d", line,
   2424                                            bss->ssid.vlan_naming);
   2425 				errors++;
   2426                         }
   2427 #ifdef CONFIG_FULL_DYNAMIC_VLAN
   2428 		} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
   2429 			bss->ssid.vlan_tagged_interface = os_strdup(pos);
   2430 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
   2431 #endif /* CONFIG_NO_VLAN */
   2432 		} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
   2433 			conf->ap_table_max_size = atoi(pos);
   2434 		} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
   2435 			conf->ap_table_expiration_time = atoi(pos);
   2436 		} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
   2437 			if (hostapd_config_tx_queue(conf, buf, pos)) {
   2438 				wpa_printf(MSG_ERROR, "Line %d: invalid TX "
   2439 					   "queue item", line);
   2440 				errors++;
   2441 			}
   2442 		} else if (os_strcmp(buf, "wme_enabled") == 0 ||
   2443 			   os_strcmp(buf, "wmm_enabled") == 0) {
   2444 			bss->wmm_enabled = atoi(pos);
   2445 		} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
   2446 			bss->wmm_uapsd = atoi(pos);
   2447 		} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
   2448 			   os_strncmp(buf, "wmm_ac_", 7) == 0) {
   2449 			if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf,
   2450 						  pos)) {
   2451 				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
   2452 					   "ac item", line);
   2453 				errors++;
   2454 			}
   2455 		} else if (os_strcmp(buf, "bss") == 0) {
   2456 			if (hostapd_config_bss(conf, pos)) {
   2457 				wpa_printf(MSG_ERROR, "Line %d: invalid bss "
   2458 					   "item", line);
   2459 				errors++;
   2460 			}
   2461 		} else if (os_strcmp(buf, "bssid") == 0) {
   2462 			if (hwaddr_aton(pos, bss->bssid)) {
   2463 				wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
   2464 					   "item", line);
   2465 				errors++;
   2466 			}
   2467 #ifdef CONFIG_IEEE80211W
   2468 		} else if (os_strcmp(buf, "ieee80211w") == 0) {
   2469 			bss->ieee80211w = atoi(pos);
   2470 		} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
   2471 			bss->assoc_sa_query_max_timeout = atoi(pos);
   2472 			if (bss->assoc_sa_query_max_timeout == 0) {
   2473 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2474 					   "assoc_sa_query_max_timeout", line);
   2475 				errors++;
   2476 			}
   2477 		} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
   2478 		{
   2479 			bss->assoc_sa_query_retry_timeout = atoi(pos);
   2480 			if (bss->assoc_sa_query_retry_timeout == 0) {
   2481 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2482 					   "assoc_sa_query_retry_timeout",
   2483 					   line);
   2484 				errors++;
   2485 			}
   2486 #endif /* CONFIG_IEEE80211W */
   2487 #ifdef CONFIG_IEEE80211N
   2488 		} else if (os_strcmp(buf, "ieee80211n") == 0) {
   2489 			conf->ieee80211n = atoi(pos);
   2490 		} else if (os_strcmp(buf, "ht_capab") == 0) {
   2491 			if (hostapd_config_ht_capab(conf, pos) < 0) {
   2492 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2493 					   "ht_capab", line);
   2494 				errors++;
   2495 			}
   2496 		} else if (os_strcmp(buf, "require_ht") == 0) {
   2497 			conf->require_ht = atoi(pos);
   2498 #endif /* CONFIG_IEEE80211N */
   2499 #ifdef CONFIG_IEEE80211AC
   2500 		} else if (os_strcmp(buf, "ieee80211ac") == 0) {
   2501 			conf->ieee80211ac = atoi(pos);
   2502 		} else if (os_strcmp(buf, "vht_capab") == 0) {
   2503 			if (hostapd_config_vht_capab(conf, pos) < 0) {
   2504 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2505 					   "vht_capab", line);
   2506 				errors++;
   2507 			}
   2508 		} else if (os_strcmp(buf, "require_vht") == 0) {
   2509 			conf->require_vht = atoi(pos);
   2510 		} else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
   2511 			conf->vht_oper_chwidth = atoi(pos);
   2512 		} else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0)
   2513 		{
   2514 			conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
   2515 #endif /* CONFIG_IEEE80211AC */
   2516 		} else if (os_strcmp(buf, "max_listen_interval") == 0) {
   2517 			bss->max_listen_interval = atoi(pos);
   2518 		} else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
   2519 			bss->disable_pmksa_caching = atoi(pos);
   2520 		} else if (os_strcmp(buf, "okc") == 0) {
   2521 			bss->okc = atoi(pos);
   2522 #ifdef CONFIG_WPS
   2523 		} else if (os_strcmp(buf, "wps_state") == 0) {
   2524 			bss->wps_state = atoi(pos);
   2525 			if (bss->wps_state < 0 || bss->wps_state > 2) {
   2526 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2527 					   "wps_state", line);
   2528 				errors++;
   2529 			}
   2530 		} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
   2531 			bss->ap_setup_locked = atoi(pos);
   2532 		} else if (os_strcmp(buf, "uuid") == 0) {
   2533 			if (uuid_str2bin(pos, bss->uuid)) {
   2534 				wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
   2535 					   line);
   2536 				errors++;
   2537 			}
   2538 		} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
   2539 			os_free(bss->wps_pin_requests);
   2540 			bss->wps_pin_requests = os_strdup(pos);
   2541 		} else if (os_strcmp(buf, "device_name") == 0) {
   2542 			if (os_strlen(pos) > 32) {
   2543 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2544 					   "device_name", line);
   2545 				errors++;
   2546 			}
   2547 			os_free(bss->device_name);
   2548 			bss->device_name = os_strdup(pos);
   2549 		} else if (os_strcmp(buf, "manufacturer") == 0) {
   2550 			if (os_strlen(pos) > 64) {
   2551 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2552 					   "manufacturer", line);
   2553 				errors++;
   2554 			}
   2555 			os_free(bss->manufacturer);
   2556 			bss->manufacturer = os_strdup(pos);
   2557 		} else if (os_strcmp(buf, "model_name") == 0) {
   2558 			if (os_strlen(pos) > 32) {
   2559 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2560 					   "model_name", line);
   2561 				errors++;
   2562 			}
   2563 			os_free(bss->model_name);
   2564 			bss->model_name = os_strdup(pos);
   2565 		} else if (os_strcmp(buf, "model_number") == 0) {
   2566 			if (os_strlen(pos) > 32) {
   2567 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2568 					   "model_number", line);
   2569 				errors++;
   2570 			}
   2571 			os_free(bss->model_number);
   2572 			bss->model_number = os_strdup(pos);
   2573 		} else if (os_strcmp(buf, "serial_number") == 0) {
   2574 			if (os_strlen(pos) > 32) {
   2575 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2576 					   "serial_number", line);
   2577 				errors++;
   2578 			}
   2579 			os_free(bss->serial_number);
   2580 			bss->serial_number = os_strdup(pos);
   2581 		} else if (os_strcmp(buf, "device_type") == 0) {
   2582 			if (wps_dev_type_str2bin(pos, bss->device_type))
   2583 				errors++;
   2584 		} else if (os_strcmp(buf, "config_methods") == 0) {
   2585 			os_free(bss->config_methods);
   2586 			bss->config_methods = os_strdup(pos);
   2587 		} else if (os_strcmp(buf, "os_version") == 0) {
   2588 			if (hexstr2bin(pos, bss->os_version, 4)) {
   2589 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2590 					   "os_version", line);
   2591 				errors++;
   2592 			}
   2593 		} else if (os_strcmp(buf, "ap_pin") == 0) {
   2594 			os_free(bss->ap_pin);
   2595 			bss->ap_pin = os_strdup(pos);
   2596 		} else if (os_strcmp(buf, "skip_cred_build") == 0) {
   2597 			bss->skip_cred_build = atoi(pos);
   2598 		} else if (os_strcmp(buf, "extra_cred") == 0) {
   2599 			os_free(bss->extra_cred);
   2600 			bss->extra_cred =
   2601 				(u8 *) os_readfile(pos, &bss->extra_cred_len);
   2602 			if (bss->extra_cred == NULL) {
   2603 				wpa_printf(MSG_ERROR, "Line %d: could not "
   2604 					   "read Credentials from '%s'",
   2605 					   line, pos);
   2606 				errors++;
   2607 			}
   2608 		} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
   2609 			bss->wps_cred_processing = atoi(pos);
   2610 		} else if (os_strcmp(buf, "ap_settings") == 0) {
   2611 			os_free(bss->ap_settings);
   2612 			bss->ap_settings =
   2613 				(u8 *) os_readfile(pos, &bss->ap_settings_len);
   2614 			if (bss->ap_settings == NULL) {
   2615 				wpa_printf(MSG_ERROR, "Line %d: could not "
   2616 					   "read AP Settings from '%s'",
   2617 					   line, pos);
   2618 				errors++;
   2619 			}
   2620 		} else if (os_strcmp(buf, "upnp_iface") == 0) {
   2621 			bss->upnp_iface = os_strdup(pos);
   2622 		} else if (os_strcmp(buf, "friendly_name") == 0) {
   2623 			os_free(bss->friendly_name);
   2624 			bss->friendly_name = os_strdup(pos);
   2625 		} else if (os_strcmp(buf, "manufacturer_url") == 0) {
   2626 			os_free(bss->manufacturer_url);
   2627 			bss->manufacturer_url = os_strdup(pos);
   2628 		} else if (os_strcmp(buf, "model_description") == 0) {
   2629 			os_free(bss->model_description);
   2630 			bss->model_description = os_strdup(pos);
   2631 		} else if (os_strcmp(buf, "model_url") == 0) {
   2632 			os_free(bss->model_url);
   2633 			bss->model_url = os_strdup(pos);
   2634 		} else if (os_strcmp(buf, "upc") == 0) {
   2635 			os_free(bss->upc);
   2636 			bss->upc = os_strdup(pos);
   2637 		} else if (os_strcmp(buf, "pbc_in_m1") == 0) {
   2638 			bss->pbc_in_m1 = atoi(pos);
   2639 #ifdef CONFIG_WPS_NFC
   2640 		} else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
   2641 			bss->wps_nfc_dev_pw_id = atoi(pos);
   2642 			if (bss->wps_nfc_dev_pw_id < 0x10 ||
   2643 			    bss->wps_nfc_dev_pw_id > 0xffff) {
   2644 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2645 					   "wps_nfc_dev_pw_id value", line);
   2646 				errors++;
   2647 			}
   2648 		} else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
   2649 			wpabuf_free(bss->wps_nfc_dh_pubkey);
   2650 			bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
   2651 		} else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
   2652 			wpabuf_free(bss->wps_nfc_dh_privkey);
   2653 			bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
   2654 		} else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
   2655 			wpabuf_free(bss->wps_nfc_dev_pw);
   2656 			bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
   2657 #endif /* CONFIG_WPS_NFC */
   2658 #endif /* CONFIG_WPS */
   2659 #ifdef CONFIG_P2P_MANAGER
   2660 		} else if (os_strcmp(buf, "manage_p2p") == 0) {
   2661 			int manage = atoi(pos);
   2662 			if (manage)
   2663 				bss->p2p |= P2P_MANAGE;
   2664 			else
   2665 				bss->p2p &= ~P2P_MANAGE;
   2666 		} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
   2667 			if (atoi(pos))
   2668 				bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
   2669 			else
   2670 				bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
   2671 #endif /* CONFIG_P2P_MANAGER */
   2672 		} else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
   2673 			bss->disassoc_low_ack = atoi(pos);
   2674 		} else if (os_strcmp(buf, "tdls_prohibit") == 0) {
   2675 			int val = atoi(pos);
   2676 			if (val)
   2677 				bss->tdls |= TDLS_PROHIBIT;
   2678 			else
   2679 				bss->tdls &= ~TDLS_PROHIBIT;
   2680 		} else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
   2681 			int val = atoi(pos);
   2682 			if (val)
   2683 				bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
   2684 			else
   2685 				bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
   2686 #ifdef CONFIG_RSN_TESTING
   2687 		} else if (os_strcmp(buf, "rsn_testing") == 0) {
   2688 			extern int rsn_testing;
   2689 			rsn_testing = atoi(pos);
   2690 #endif /* CONFIG_RSN_TESTING */
   2691 		} else if (os_strcmp(buf, "time_advertisement") == 0) {
   2692 			bss->time_advertisement = atoi(pos);
   2693 		} else if (os_strcmp(buf, "time_zone") == 0) {
   2694 			size_t tz_len = os_strlen(pos);
   2695 			if (tz_len < 4 || tz_len > 255) {
   2696 				wpa_printf(MSG_DEBUG, "Line %d: invalid "
   2697 					   "time_zone", line);
   2698 				errors++;
   2699 				return errors;
   2700 			}
   2701 			os_free(bss->time_zone);
   2702 			bss->time_zone = os_strdup(pos);
   2703 			if (bss->time_zone == NULL)
   2704 				errors++;
   2705 #ifdef CONFIG_INTERWORKING
   2706 		} else if (os_strcmp(buf, "interworking") == 0) {
   2707 			bss->interworking = atoi(pos);
   2708 		} else if (os_strcmp(buf, "access_network_type") == 0) {
   2709 			bss->access_network_type = atoi(pos);
   2710 			if (bss->access_network_type < 0 ||
   2711 			    bss->access_network_type > 15) {
   2712 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2713 					   "access_network_type", line);
   2714 				errors++;
   2715 			}
   2716 		} else if (os_strcmp(buf, "internet") == 0) {
   2717 			bss->internet = atoi(pos);
   2718 		} else if (os_strcmp(buf, "asra") == 0) {
   2719 			bss->asra = atoi(pos);
   2720 		} else if (os_strcmp(buf, "esr") == 0) {
   2721 			bss->esr = atoi(pos);
   2722 		} else if (os_strcmp(buf, "uesa") == 0) {
   2723 			bss->uesa = atoi(pos);
   2724 		} else if (os_strcmp(buf, "venue_group") == 0) {
   2725 			bss->venue_group = atoi(pos);
   2726 			bss->venue_info_set = 1;
   2727 		} else if (os_strcmp(buf, "venue_type") == 0) {
   2728 			bss->venue_type = atoi(pos);
   2729 			bss->venue_info_set = 1;
   2730 		} else if (os_strcmp(buf, "hessid") == 0) {
   2731 			if (hwaddr_aton(pos, bss->hessid)) {
   2732 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2733 					   "hessid", line);
   2734 				errors++;
   2735 			}
   2736 		} else if (os_strcmp(buf, "roaming_consortium") == 0) {
   2737 			if (parse_roaming_consortium(bss, pos, line) < 0)
   2738 				errors++;
   2739 		} else if (os_strcmp(buf, "venue_name") == 0) {
   2740 			if (parse_venue_name(bss, pos, line) < 0)
   2741 				errors++;
   2742 		} else if (os_strcmp(buf, "network_auth_type") == 0) {
   2743 			u8 auth_type;
   2744 			u16 redirect_url_len;
   2745 			if (hexstr2bin(pos, &auth_type, 1)) {
   2746 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2747 					   "network_auth_type '%s'",
   2748 					   line, pos);
   2749 				errors++;
   2750 				return errors;
   2751 			}
   2752 			if (auth_type == 0 || auth_type == 2)
   2753 				redirect_url_len = os_strlen(pos + 2);
   2754 			else
   2755 				redirect_url_len = 0;
   2756 			os_free(bss->network_auth_type);
   2757 			bss->network_auth_type =
   2758 				os_malloc(redirect_url_len + 3 + 1);
   2759 			if (bss->network_auth_type == NULL) {
   2760 				errors++;
   2761 				return errors;
   2762 			}
   2763 			*bss->network_auth_type = auth_type;
   2764 			WPA_PUT_LE16(bss->network_auth_type + 1,
   2765 				     redirect_url_len);
   2766 			if (redirect_url_len)
   2767 				os_memcpy(bss->network_auth_type + 3,
   2768 					  pos + 2, redirect_url_len);
   2769 			bss->network_auth_type_len = 3 + redirect_url_len;
   2770 		} else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
   2771 			if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1))
   2772 			{
   2773 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2774 					   "ipaddr_type_availability '%s'",
   2775 					   line, pos);
   2776 				bss->ipaddr_type_configured = 0;
   2777 				errors++;
   2778 				return errors;
   2779 			}
   2780 			bss->ipaddr_type_configured = 1;
   2781 		} else if (os_strcmp(buf, "domain_name") == 0) {
   2782 			int j, num_domains, domain_len, domain_list_len = 0;
   2783 			char *tok_start, *tok_prev;
   2784 			u8 *domain_list, *domain_ptr;
   2785 
   2786 			domain_list_len = os_strlen(pos) + 1;
   2787 			domain_list = os_malloc(domain_list_len);
   2788 			if (domain_list == NULL) {
   2789 				errors++;
   2790 				return errors;
   2791 			}
   2792 
   2793 			domain_ptr = domain_list;
   2794 			tok_prev = pos;
   2795 			num_domains = 1;
   2796 			while ((tok_prev = os_strchr(tok_prev, ','))) {
   2797 				num_domains++;
   2798 				tok_prev++;
   2799 			}
   2800 			tok_prev = pos;
   2801 			for (j = 0; j < num_domains; j++) {
   2802 				tok_start = os_strchr(tok_prev, ',');
   2803 				if (tok_start) {
   2804 					domain_len = tok_start - tok_prev;
   2805 					*domain_ptr = domain_len;
   2806 					os_memcpy(domain_ptr + 1, tok_prev,
   2807 						  domain_len);
   2808 					domain_ptr += domain_len + 1;
   2809 					tok_prev = ++tok_start;
   2810 				} else {
   2811 					domain_len = os_strlen(tok_prev);
   2812 					*domain_ptr = domain_len;
   2813 					os_memcpy(domain_ptr + 1, tok_prev,
   2814 						  domain_len);
   2815 					domain_ptr += domain_len + 1;
   2816 				}
   2817 			}
   2818 
   2819 			os_free(bss->domain_name);
   2820 			bss->domain_name = domain_list;
   2821 			bss->domain_name_len = domain_list_len;
   2822 		} else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
   2823 			if (parse_3gpp_cell_net(bss, pos, line) < 0)
   2824 				errors++;
   2825 		} else if (os_strcmp(buf, "nai_realm") == 0) {
   2826 			if (parse_nai_realm(bss, pos, line) < 0)
   2827 				errors++;
   2828 		} else if (os_strcmp(buf, "gas_frag_limit") == 0) {
   2829 			bss->gas_frag_limit = atoi(pos);
   2830 		} else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
   2831 			bss->gas_comeback_delay = atoi(pos);
   2832 #endif /* CONFIG_INTERWORKING */
   2833 #ifdef CONFIG_RADIUS_TEST
   2834 		} else if (os_strcmp(buf, "dump_msk_file") == 0) {
   2835 			os_free(bss->dump_msk_file);
   2836 			bss->dump_msk_file = os_strdup(pos);
   2837 #endif /* CONFIG_RADIUS_TEST */
   2838 #ifdef CONFIG_HS20
   2839 		} else if (os_strcmp(buf, "hs20") == 0) {
   2840 			bss->hs20 = atoi(pos);
   2841 		} else if (os_strcmp(buf, "disable_dgaf") == 0) {
   2842 			bss->disable_dgaf = atoi(pos);
   2843 		} else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
   2844 			if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
   2845 				errors++;
   2846 		} else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
   2847 			if (hs20_parse_wan_metrics(bss, pos, line) < 0) {
   2848 				errors++;
   2849 				return errors;
   2850 			}
   2851 		} else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
   2852 			if (hs20_parse_conn_capab(bss, pos, line) < 0) {
   2853 				errors++;
   2854 				return errors;
   2855 			}
   2856 		} else if (os_strcmp(buf, "hs20_operating_class") == 0) {
   2857 			u8 *oper_class;
   2858 			size_t oper_class_len;
   2859 			oper_class_len = os_strlen(pos);
   2860 			if (oper_class_len < 2 || (oper_class_len & 0x01)) {
   2861 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2862 					   "hs20_operating_class '%s'",
   2863 					   line, pos);
   2864 				errors++;
   2865 				return errors;
   2866 			}
   2867 			oper_class_len /= 2;
   2868 			oper_class = os_malloc(oper_class_len);
   2869 			if (oper_class == NULL) {
   2870 				errors++;
   2871 				return errors;
   2872 			}
   2873 			if (hexstr2bin(pos, oper_class, oper_class_len)) {
   2874 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2875 					   "hs20_operating_class '%s'",
   2876 					   line, pos);
   2877 				os_free(oper_class);
   2878 				errors++;
   2879 				return errors;
   2880 			}
   2881 			os_free(bss->hs20_operating_class);
   2882 			bss->hs20_operating_class = oper_class;
   2883 			bss->hs20_operating_class_len = oper_class_len;
   2884 #endif /* CONFIG_HS20 */
   2885 		} else if (os_strcmp(buf, "vendor_elements") == 0) {
   2886 			struct wpabuf *elems;
   2887 			size_t len = os_strlen(pos);
   2888 			if (len & 0x01) {
   2889 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2890 					   "vendor_elements '%s'", line, pos);
   2891 				return 1;
   2892 			}
   2893 			len /= 2;
   2894 			if (len == 0) {
   2895 				wpabuf_free(bss->vendor_elements);
   2896 				bss->vendor_elements = NULL;
   2897 				return 0;
   2898 			}
   2899 
   2900 			elems = wpabuf_alloc(len);
   2901 			if (elems == NULL)
   2902 				return 1;
   2903 
   2904 			if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
   2905 				wpabuf_free(elems);
   2906 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2907 					   "vendor_elements '%s'", line, pos);
   2908 				return 1;
   2909 			}
   2910 
   2911 			wpabuf_free(bss->vendor_elements);
   2912 			bss->vendor_elements = elems;
   2913 		} else {
   2914 			wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
   2915 				   "item '%s'", line, buf);
   2916 			errors++;
   2917 		}
   2918 	}
   2919 
   2920 	return errors;
   2921 }
   2922 
   2923 
   2924 static void hostapd_set_security_params(struct hostapd_bss_config *bss)
   2925 {
   2926 	int pairwise;
   2927 
   2928 	if (bss->individual_wep_key_len == 0) {
   2929 		/* individual keys are not use; can use key idx0 for
   2930 		 * broadcast keys */
   2931 		bss->broadcast_key_idx_min = 0;
   2932 	}
   2933 
   2934 	/* Select group cipher based on the enabled pairwise cipher
   2935 	 * suites */
   2936 	pairwise = 0;
   2937 	if (bss->wpa & 1)
   2938 		pairwise |= bss->wpa_pairwise;
   2939 	if (bss->wpa & 2) {
   2940 		if (bss->rsn_pairwise == 0)
   2941 			bss->rsn_pairwise = bss->wpa_pairwise;
   2942 		pairwise |= bss->rsn_pairwise;
   2943 	}
   2944 	if (pairwise & WPA_CIPHER_TKIP)
   2945 		bss->wpa_group = WPA_CIPHER_TKIP;
   2946 	else if ((pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ==
   2947 		 WPA_CIPHER_GCMP)
   2948 		bss->wpa_group = WPA_CIPHER_GCMP;
   2949 	else
   2950 		bss->wpa_group = WPA_CIPHER_CCMP;
   2951 
   2952 	bss->radius->auth_server = bss->radius->auth_servers;
   2953 	bss->radius->acct_server = bss->radius->acct_servers;
   2954 
   2955 	if (bss->wpa && bss->ieee802_1x) {
   2956 		bss->ssid.security_policy = SECURITY_WPA;
   2957 	} else if (bss->wpa) {
   2958 		bss->ssid.security_policy = SECURITY_WPA_PSK;
   2959 	} else if (bss->ieee802_1x) {
   2960 		int cipher = WPA_CIPHER_NONE;
   2961 		bss->ssid.security_policy = SECURITY_IEEE_802_1X;
   2962 		bss->ssid.wep.default_len = bss->default_wep_key_len;
   2963 		if (bss->default_wep_key_len)
   2964 			cipher = bss->default_wep_key_len >= 13 ?
   2965 				WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
   2966 		bss->wpa_group = cipher;
   2967 		bss->wpa_pairwise = cipher;
   2968 		bss->rsn_pairwise = cipher;
   2969 	} else if (bss->ssid.wep.keys_set) {
   2970 		int cipher = WPA_CIPHER_WEP40;
   2971 		if (bss->ssid.wep.len[0] >= 13)
   2972 			cipher = WPA_CIPHER_WEP104;
   2973 		bss->ssid.security_policy = SECURITY_STATIC_WEP;
   2974 		bss->wpa_group = cipher;
   2975 		bss->wpa_pairwise = cipher;
   2976 		bss->rsn_pairwise = cipher;
   2977 	} else {
   2978 		bss->ssid.security_policy = SECURITY_PLAINTEXT;
   2979 		bss->wpa_group = WPA_CIPHER_NONE;
   2980 		bss->wpa_pairwise = WPA_CIPHER_NONE;
   2981 		bss->rsn_pairwise = WPA_CIPHER_NONE;
   2982 	}
   2983 }
   2984 
   2985 
   2986 /**
   2987  * hostapd_config_read - Read and parse a configuration file
   2988  * @fname: Configuration file name (including path, if needed)
   2989  * Returns: Allocated configuration data structure
   2990  */
   2991 struct hostapd_config * hostapd_config_read(const char *fname)
   2992 {
   2993 	struct hostapd_config *conf;
   2994 	struct hostapd_bss_config *bss;
   2995 	FILE *f;
   2996 	char buf[512], *pos;
   2997 	int line = 0;
   2998 	int errors = 0;
   2999 	size_t i;
   3000 
   3001 	f = fopen(fname, "r");
   3002 	if (f == NULL) {
   3003 		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
   3004 			   "for reading.", fname);
   3005 		return NULL;
   3006 	}
   3007 
   3008 	conf = hostapd_config_defaults();
   3009 	if (conf == NULL) {
   3010 		fclose(f);
   3011 		return NULL;
   3012 	}
   3013 
   3014 	/* set default driver based on configuration */
   3015 	conf->driver = wpa_drivers[0];
   3016 	if (conf->driver == NULL) {
   3017 		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
   3018 		hostapd_config_free(conf);
   3019 		fclose(f);
   3020 		return NULL;
   3021 	}
   3022 
   3023 	bss = conf->last_bss = conf->bss;
   3024 
   3025 	while (fgets(buf, sizeof(buf), f)) {
   3026 		bss = conf->last_bss;
   3027 		line++;
   3028 
   3029 		if (buf[0] == '#')
   3030 			continue;
   3031 		pos = buf;
   3032 		while (*pos != '\0') {
   3033 			if (*pos == '\n') {
   3034 				*pos = '\0';
   3035 				break;
   3036 			}
   3037 			pos++;
   3038 		}
   3039 		if (buf[0] == '\0')
   3040 			continue;
   3041 
   3042 		pos = os_strchr(buf, '=');
   3043 		if (pos == NULL) {
   3044 			wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
   3045 				   line, buf);
   3046 			errors++;
   3047 			continue;
   3048 		}
   3049 		*pos = '\0';
   3050 		pos++;
   3051 		errors += hostapd_config_fill(conf, bss, buf, pos, line);
   3052 	}
   3053 
   3054 	fclose(f);
   3055 
   3056 	for (i = 0; i < conf->num_bss; i++)
   3057 		hostapd_set_security_params(&conf->bss[i]);
   3058 
   3059 	if (hostapd_config_check(conf))
   3060 		errors++;
   3061 
   3062 #ifndef WPA_IGNORE_CONFIG_ERRORS
   3063 	if (errors) {
   3064 		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
   3065 			   "'%s'", errors, fname);
   3066 		hostapd_config_free(conf);
   3067 		conf = NULL;
   3068 	}
   3069 #endif /* WPA_IGNORE_CONFIG_ERRORS */
   3070 
   3071 	return conf;
   3072 }
   3073 
   3074 
   3075 int hostapd_set_iface(struct hostapd_config *conf,
   3076 		      struct hostapd_bss_config *bss, char *field, char *value)
   3077 {
   3078 	int errors;
   3079 	size_t i;
   3080 
   3081 	errors = hostapd_config_fill(conf, bss, field, value, 0);
   3082 	if (errors) {
   3083 		wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
   3084 			   "to value '%s'", field, value);
   3085 		return -1;
   3086 	}
   3087 
   3088 	for (i = 0; i < conf->num_bss; i++)
   3089 		hostapd_set_security_params(&conf->bss[i]);
   3090 
   3091 	if (hostapd_config_check(conf)) {
   3092 		wpa_printf(MSG_ERROR, "Configuration check failed");
   3093 		return -1;
   3094 	}
   3095 
   3096 	return 0;
   3097 }
   3098