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      1 /*
      2  * hostapd / Configuration file parser
      3  * Copyright (c) 2003-2013, 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 	if (os_strncmp(fname, "sqlite:", 7) == 0) {
    204 		os_free(conf->eap_user_sqlite);
    205 		conf->eap_user_sqlite = os_strdup(fname + 7);
    206 		return 0;
    207 	}
    208 
    209 	f = fopen(fname, "r");
    210 	if (!f) {
    211 		wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
    212 		return -1;
    213 	}
    214 
    215 	/* Lines: "user" METHOD,METHOD2 "password" (password optional) */
    216 	while (fgets(buf, sizeof(buf), f)) {
    217 		line++;
    218 
    219 		if (buf[0] == '#')
    220 			continue;
    221 		pos = buf;
    222 		while (*pos != '\0') {
    223 			if (*pos == '\n') {
    224 				*pos = '\0';
    225 				break;
    226 			}
    227 			pos++;
    228 		}
    229 		if (buf[0] == '\0')
    230 			continue;
    231 
    232 		user = NULL;
    233 
    234 		if (buf[0] != '"' && buf[0] != '*') {
    235 			wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
    236 				   "start) on line %d in '%s'", line, fname);
    237 			goto failed;
    238 		}
    239 
    240 		user = os_zalloc(sizeof(*user));
    241 		if (user == NULL) {
    242 			wpa_printf(MSG_ERROR, "EAP user allocation failed");
    243 			goto failed;
    244 		}
    245 		user->force_version = -1;
    246 
    247 		if (buf[0] == '*') {
    248 			pos = buf;
    249 		} else {
    250 			pos = buf + 1;
    251 			start = pos;
    252 			while (*pos != '"' && *pos != '\0')
    253 				pos++;
    254 			if (*pos == '\0') {
    255 				wpa_printf(MSG_ERROR, "Invalid EAP identity "
    256 					   "(no \" in end) on line %d in '%s'",
    257 					   line, fname);
    258 				goto failed;
    259 			}
    260 
    261 			user->identity = os_malloc(pos - start);
    262 			if (user->identity == NULL) {
    263 				wpa_printf(MSG_ERROR, "Failed to allocate "
    264 					   "memory for EAP identity");
    265 				goto failed;
    266 			}
    267 			os_memcpy(user->identity, start, pos - start);
    268 			user->identity_len = pos - start;
    269 
    270 			if (pos[0] == '"' && pos[1] == '*') {
    271 				user->wildcard_prefix = 1;
    272 				pos++;
    273 			}
    274 		}
    275 		pos++;
    276 		while (*pos == ' ' || *pos == '\t')
    277 			pos++;
    278 
    279 		if (*pos == '\0') {
    280 			wpa_printf(MSG_ERROR, "No EAP method on line %d in "
    281 				   "'%s'", line, fname);
    282 			goto failed;
    283 		}
    284 
    285 		start = pos;
    286 		while (*pos != ' ' && *pos != '\t' && *pos != '\0')
    287 			pos++;
    288 		if (*pos == '\0') {
    289 			pos = NULL;
    290 		} else {
    291 			*pos = '\0';
    292 			pos++;
    293 		}
    294 		num_methods = 0;
    295 		while (*start) {
    296 			char *pos3 = os_strchr(start, ',');
    297 			if (pos3) {
    298 				*pos3++ = '\0';
    299 			}
    300 			user->methods[num_methods].method =
    301 				eap_server_get_type(
    302 					start,
    303 					&user->methods[num_methods].vendor);
    304 			if (user->methods[num_methods].vendor ==
    305 			    EAP_VENDOR_IETF &&
    306 			    user->methods[num_methods].method == EAP_TYPE_NONE)
    307 			{
    308 				if (os_strcmp(start, "TTLS-PAP") == 0) {
    309 					user->ttls_auth |= EAP_TTLS_AUTH_PAP;
    310 					goto skip_eap;
    311 				}
    312 				if (os_strcmp(start, "TTLS-CHAP") == 0) {
    313 					user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
    314 					goto skip_eap;
    315 				}
    316 				if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
    317 					user->ttls_auth |=
    318 						EAP_TTLS_AUTH_MSCHAP;
    319 					goto skip_eap;
    320 				}
    321 				if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
    322 					user->ttls_auth |=
    323 						EAP_TTLS_AUTH_MSCHAPV2;
    324 					goto skip_eap;
    325 				}
    326 				wpa_printf(MSG_ERROR, "Unsupported EAP type "
    327 					   "'%s' on line %d in '%s'",
    328 					   start, line, fname);
    329 				goto failed;
    330 			}
    331 
    332 			num_methods++;
    333 			if (num_methods >= EAP_MAX_METHODS)
    334 				break;
    335 		skip_eap:
    336 			if (pos3 == NULL)
    337 				break;
    338 			start = pos3;
    339 		}
    340 		if (num_methods == 0 && user->ttls_auth == 0) {
    341 			wpa_printf(MSG_ERROR, "No EAP types configured on "
    342 				   "line %d in '%s'", line, fname);
    343 			goto failed;
    344 		}
    345 
    346 		if (pos == NULL)
    347 			goto done;
    348 
    349 		while (*pos == ' ' || *pos == '\t')
    350 			pos++;
    351 		if (*pos == '\0')
    352 			goto done;
    353 
    354 		if (os_strncmp(pos, "[ver=0]", 7) == 0) {
    355 			user->force_version = 0;
    356 			goto done;
    357 		}
    358 
    359 		if (os_strncmp(pos, "[ver=1]", 7) == 0) {
    360 			user->force_version = 1;
    361 			goto done;
    362 		}
    363 
    364 		if (os_strncmp(pos, "[2]", 3) == 0) {
    365 			user->phase2 = 1;
    366 			goto done;
    367 		}
    368 
    369 		if (*pos == '"') {
    370 			pos++;
    371 			start = pos;
    372 			while (*pos != '"' && *pos != '\0')
    373 				pos++;
    374 			if (*pos == '\0') {
    375 				wpa_printf(MSG_ERROR, "Invalid EAP password "
    376 					   "(no \" in end) on line %d in '%s'",
    377 					   line, fname);
    378 				goto failed;
    379 			}
    380 
    381 			user->password = os_malloc(pos - start);
    382 			if (user->password == NULL) {
    383 				wpa_printf(MSG_ERROR, "Failed to allocate "
    384 					   "memory for EAP password");
    385 				goto failed;
    386 			}
    387 			os_memcpy(user->password, start, pos - start);
    388 			user->password_len = pos - start;
    389 
    390 			pos++;
    391 		} else if (os_strncmp(pos, "hash:", 5) == 0) {
    392 			pos += 5;
    393 			pos2 = pos;
    394 			while (*pos2 != '\0' && *pos2 != ' ' &&
    395 			       *pos2 != '\t' && *pos2 != '#')
    396 				pos2++;
    397 			if (pos2 - pos != 32) {
    398 				wpa_printf(MSG_ERROR, "Invalid password hash "
    399 					   "on line %d in '%s'", line, fname);
    400 				goto failed;
    401 			}
    402 			user->password = os_malloc(16);
    403 			if (user->password == NULL) {
    404 				wpa_printf(MSG_ERROR, "Failed to allocate "
    405 					   "memory for EAP password hash");
    406 				goto failed;
    407 			}
    408 			if (hexstr2bin(pos, user->password, 16) < 0) {
    409 				wpa_printf(MSG_ERROR, "Invalid hash password "
    410 					   "on line %d in '%s'", line, fname);
    411 				goto failed;
    412 			}
    413 			user->password_len = 16;
    414 			user->password_hash = 1;
    415 			pos = pos2;
    416 		} else {
    417 			pos2 = pos;
    418 			while (*pos2 != '\0' && *pos2 != ' ' &&
    419 			       *pos2 != '\t' && *pos2 != '#')
    420 				pos2++;
    421 			if ((pos2 - pos) & 1) {
    422 				wpa_printf(MSG_ERROR, "Invalid hex password "
    423 					   "on line %d in '%s'", line, fname);
    424 				goto failed;
    425 			}
    426 			user->password = os_malloc((pos2 - pos) / 2);
    427 			if (user->password == NULL) {
    428 				wpa_printf(MSG_ERROR, "Failed to allocate "
    429 					   "memory for EAP password");
    430 				goto failed;
    431 			}
    432 			if (hexstr2bin(pos, user->password,
    433 				       (pos2 - pos) / 2) < 0) {
    434 				wpa_printf(MSG_ERROR, "Invalid hex password "
    435 					   "on line %d in '%s'", line, fname);
    436 				goto failed;
    437 			}
    438 			user->password_len = (pos2 - pos) / 2;
    439 			pos = pos2;
    440 		}
    441 
    442 		while (*pos == ' ' || *pos == '\t')
    443 			pos++;
    444 		if (os_strncmp(pos, "[2]", 3) == 0) {
    445 			user->phase2 = 1;
    446 		}
    447 
    448 	done:
    449 		if (tail == NULL) {
    450 			tail = conf->eap_user = user;
    451 		} else {
    452 			tail->next = user;
    453 			tail = user;
    454 		}
    455 		continue;
    456 
    457 	failed:
    458 		if (user) {
    459 			os_free(user->password);
    460 			os_free(user->identity);
    461 			os_free(user);
    462 		}
    463 		ret = -1;
    464 		break;
    465 	}
    466 
    467 	fclose(f);
    468 
    469 	return ret;
    470 }
    471 #endif /* EAP_SERVER */
    472 
    473 
    474 #ifndef CONFIG_NO_RADIUS
    475 static int
    476 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
    477 				int *num_server, const char *val, int def_port,
    478 				struct hostapd_radius_server **curr_serv)
    479 {
    480 	struct hostapd_radius_server *nserv;
    481 	int ret;
    482 	static int server_index = 1;
    483 
    484 	nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
    485 	if (nserv == NULL)
    486 		return -1;
    487 
    488 	*server = nserv;
    489 	nserv = &nserv[*num_server];
    490 	(*num_server)++;
    491 	(*curr_serv) = nserv;
    492 
    493 	os_memset(nserv, 0, sizeof(*nserv));
    494 	nserv->port = def_port;
    495 	ret = hostapd_parse_ip_addr(val, &nserv->addr);
    496 	nserv->index = server_index++;
    497 
    498 	return ret;
    499 }
    500 
    501 
    502 static struct hostapd_radius_attr *
    503 hostapd_parse_radius_attr(const char *value)
    504 {
    505 	const char *pos;
    506 	char syntax;
    507 	struct hostapd_radius_attr *attr;
    508 	size_t len;
    509 
    510 	attr = os_zalloc(sizeof(*attr));
    511 	if (attr == NULL)
    512 		return NULL;
    513 
    514 	attr->type = atoi(value);
    515 
    516 	pos = os_strchr(value, ':');
    517 	if (pos == NULL) {
    518 		attr->val = wpabuf_alloc(1);
    519 		if (attr->val == NULL) {
    520 			os_free(attr);
    521 			return NULL;
    522 		}
    523 		wpabuf_put_u8(attr->val, 0);
    524 		return attr;
    525 	}
    526 
    527 	pos++;
    528 	if (pos[0] == '\0' || pos[1] != ':') {
    529 		os_free(attr);
    530 		return NULL;
    531 	}
    532 	syntax = *pos++;
    533 	pos++;
    534 
    535 	switch (syntax) {
    536 	case 's':
    537 		attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
    538 		break;
    539 	case 'x':
    540 		len = os_strlen(pos);
    541 		if (len & 1)
    542 			break;
    543 		len /= 2;
    544 		attr->val = wpabuf_alloc(len);
    545 		if (attr->val == NULL)
    546 			break;
    547 		if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
    548 			wpabuf_free(attr->val);
    549 			os_free(attr);
    550 			return NULL;
    551 		}
    552 		break;
    553 	case 'd':
    554 		attr->val = wpabuf_alloc(4);
    555 		if (attr->val)
    556 			wpabuf_put_be32(attr->val, atoi(pos));
    557 		break;
    558 	default:
    559 		os_free(attr);
    560 		return NULL;
    561 	}
    562 
    563 	if (attr->val == NULL) {
    564 		os_free(attr);
    565 		return NULL;
    566 	}
    567 
    568 	return attr;
    569 }
    570 
    571 
    572 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
    573 				    const char *val)
    574 {
    575 	char *secret;
    576 
    577 	secret = os_strchr(val, ' ');
    578 	if (secret == NULL)
    579 		return -1;
    580 
    581 	secret++;
    582 
    583 	if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
    584 		return -1;
    585 
    586 	os_free(bss->radius_das_shared_secret);
    587 	bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
    588 	if (bss->radius_das_shared_secret == NULL)
    589 		return -1;
    590 	bss->radius_das_shared_secret_len = os_strlen(secret);
    591 
    592 	return 0;
    593 }
    594 #endif /* CONFIG_NO_RADIUS */
    595 
    596 
    597 static int hostapd_config_parse_key_mgmt(int line, const char *value)
    598 {
    599 	int val = 0, last;
    600 	char *start, *end, *buf;
    601 
    602 	buf = os_strdup(value);
    603 	if (buf == NULL)
    604 		return -1;
    605 	start = buf;
    606 
    607 	while (*start != '\0') {
    608 		while (*start == ' ' || *start == '\t')
    609 			start++;
    610 		if (*start == '\0')
    611 			break;
    612 		end = start;
    613 		while (*end != ' ' && *end != '\t' && *end != '\0')
    614 			end++;
    615 		last = *end == '\0';
    616 		*end = '\0';
    617 		if (os_strcmp(start, "WPA-PSK") == 0)
    618 			val |= WPA_KEY_MGMT_PSK;
    619 		else if (os_strcmp(start, "WPA-EAP") == 0)
    620 			val |= WPA_KEY_MGMT_IEEE8021X;
    621 #ifdef CONFIG_IEEE80211R
    622 		else if (os_strcmp(start, "FT-PSK") == 0)
    623 			val |= WPA_KEY_MGMT_FT_PSK;
    624 		else if (os_strcmp(start, "FT-EAP") == 0)
    625 			val |= WPA_KEY_MGMT_FT_IEEE8021X;
    626 #endif /* CONFIG_IEEE80211R */
    627 #ifdef CONFIG_IEEE80211W
    628 		else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
    629 			val |= WPA_KEY_MGMT_PSK_SHA256;
    630 		else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
    631 			val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
    632 #endif /* CONFIG_IEEE80211W */
    633 #ifdef CONFIG_SAE
    634 		else if (os_strcmp(start, "SAE") == 0)
    635 			val |= WPA_KEY_MGMT_SAE;
    636 		else if (os_strcmp(start, "FT-SAE") == 0)
    637 			val |= WPA_KEY_MGMT_FT_SAE;
    638 #endif /* CONFIG_SAE */
    639 		else {
    640 			wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
    641 				   line, start);
    642 			os_free(buf);
    643 			return -1;
    644 		}
    645 
    646 		if (last)
    647 			break;
    648 		start = end + 1;
    649 	}
    650 
    651 	os_free(buf);
    652 	if (val == 0) {
    653 		wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
    654 			   "configured.", line);
    655 		return -1;
    656 	}
    657 
    658 	return val;
    659 }
    660 
    661 
    662 static int hostapd_config_parse_cipher(int line, const char *value)
    663 {
    664 	int val = wpa_parse_cipher(value);
    665 	if (val < 0) {
    666 		wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
    667 			   line, value);
    668 		return -1;
    669 	}
    670 	if (val == 0) {
    671 		wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
    672 			   line);
    673 		return -1;
    674 	}
    675 	return val;
    676 }
    677 
    678 
    679 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
    680 				   char *val)
    681 {
    682 	size_t len = os_strlen(val);
    683 
    684 	if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
    685 		return -1;
    686 
    687 	if (val[0] == '"') {
    688 		if (len < 2 || val[len - 1] != '"')
    689 			return -1;
    690 		len -= 2;
    691 		wep->key[keyidx] = os_malloc(len);
    692 		if (wep->key[keyidx] == NULL)
    693 			return -1;
    694 		os_memcpy(wep->key[keyidx], val + 1, len);
    695 		wep->len[keyidx] = len;
    696 	} else {
    697 		if (len & 1)
    698 			return -1;
    699 		len /= 2;
    700 		wep->key[keyidx] = os_malloc(len);
    701 		if (wep->key[keyidx] == NULL)
    702 			return -1;
    703 		wep->len[keyidx] = len;
    704 		if (hexstr2bin(val, wep->key[keyidx], len) < 0)
    705 			return -1;
    706 	}
    707 
    708 	wep->keys_set++;
    709 
    710 	return 0;
    711 }
    712 
    713 
    714 static int hostapd_parse_rates(int **rate_list, char *val)
    715 {
    716 	int *list;
    717 	int count;
    718 	char *pos, *end;
    719 
    720 	os_free(*rate_list);
    721 	*rate_list = NULL;
    722 
    723 	pos = val;
    724 	count = 0;
    725 	while (*pos != '\0') {
    726 		if (*pos == ' ')
    727 			count++;
    728 		pos++;
    729 	}
    730 
    731 	list = os_malloc(sizeof(int) * (count + 2));
    732 	if (list == NULL)
    733 		return -1;
    734 	pos = val;
    735 	count = 0;
    736 	while (*pos != '\0') {
    737 		end = os_strchr(pos, ' ');
    738 		if (end)
    739 			*end = '\0';
    740 
    741 		list[count++] = atoi(pos);
    742 		if (!end)
    743 			break;
    744 		pos = end + 1;
    745 	}
    746 	list[count] = -1;
    747 
    748 	*rate_list = list;
    749 	return 0;
    750 }
    751 
    752 
    753 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
    754 {
    755 	struct hostapd_bss_config *bss;
    756 
    757 	if (*ifname == '\0')
    758 		return -1;
    759 
    760 	bss = os_realloc_array(conf->bss, conf->num_bss + 1,
    761 			       sizeof(struct hostapd_bss_config));
    762 	if (bss == NULL) {
    763 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
    764 			   "multi-BSS entry");
    765 		return -1;
    766 	}
    767 	conf->bss = bss;
    768 
    769 	bss = &(conf->bss[conf->num_bss]);
    770 	os_memset(bss, 0, sizeof(*bss));
    771 	bss->radius = os_zalloc(sizeof(*bss->radius));
    772 	if (bss->radius == NULL) {
    773 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
    774 			   "multi-BSS RADIUS data");
    775 		return -1;
    776 	}
    777 
    778 	conf->num_bss++;
    779 	conf->last_bss = bss;
    780 
    781 	hostapd_config_defaults_bss(bss);
    782 	os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
    783 	os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
    784 
    785 	return 0;
    786 }
    787 
    788 
    789 /* convert floats with one decimal place to value*10 int, i.e.,
    790  * "1.5" will return 15 */
    791 static int hostapd_config_read_int10(const char *value)
    792 {
    793 	int i, d;
    794 	char *pos;
    795 
    796 	i = atoi(value);
    797 	pos = os_strchr(value, '.');
    798 	d = 0;
    799 	if (pos) {
    800 		pos++;
    801 		if (*pos >= '0' && *pos <= '9')
    802 			d = *pos - '0';
    803 	}
    804 
    805 	return i * 10 + d;
    806 }
    807 
    808 
    809 static int valid_cw(int cw)
    810 {
    811 	return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
    812 		cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023);
    813 }
    814 
    815 
    816 enum {
    817 	IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
    818 	IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
    819 	IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
    820 	IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
    821 };
    822 
    823 static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
    824 				   char *val)
    825 {
    826 	int num;
    827 	char *pos;
    828 	struct hostapd_tx_queue_params *queue;
    829 
    830 	/* skip 'tx_queue_' prefix */
    831 	pos = name + 9;
    832 	if (os_strncmp(pos, "data", 4) == 0 &&
    833 	    pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
    834 		num = pos[4] - '0';
    835 		pos += 6;
    836 	} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
    837 		   os_strncmp(pos, "beacon_", 7) == 0) {
    838 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
    839 		return 0;
    840 	} else {
    841 		wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
    842 		return -1;
    843 	}
    844 
    845 	if (num >= NUM_TX_QUEUES) {
    846 		/* for backwards compatibility, do not trigger failure */
    847 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
    848 		return 0;
    849 	}
    850 
    851 	queue = &conf->tx_queue[num];
    852 
    853 	if (os_strcmp(pos, "aifs") == 0) {
    854 		queue->aifs = atoi(val);
    855 		if (queue->aifs < 0 || queue->aifs > 255) {
    856 			wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
    857 				   queue->aifs);
    858 			return -1;
    859 		}
    860 	} else if (os_strcmp(pos, "cwmin") == 0) {
    861 		queue->cwmin = atoi(val);
    862 		if (!valid_cw(queue->cwmin)) {
    863 			wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
    864 				   queue->cwmin);
    865 			return -1;
    866 		}
    867 	} else if (os_strcmp(pos, "cwmax") == 0) {
    868 		queue->cwmax = atoi(val);
    869 		if (!valid_cw(queue->cwmax)) {
    870 			wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
    871 				   queue->cwmax);
    872 			return -1;
    873 		}
    874 	} else if (os_strcmp(pos, "burst") == 0) {
    875 		queue->burst = hostapd_config_read_int10(val);
    876 	} else {
    877 		wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
    878 		return -1;
    879 	}
    880 
    881 	return 0;
    882 }
    883 
    884 
    885 #ifdef CONFIG_IEEE80211R
    886 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
    887 {
    888 	struct ft_remote_r0kh *r0kh;
    889 	char *pos, *next;
    890 
    891 	r0kh = os_zalloc(sizeof(*r0kh));
    892 	if (r0kh == NULL)
    893 		return -1;
    894 
    895 	/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
    896 	pos = value;
    897 	next = os_strchr(pos, ' ');
    898 	if (next)
    899 		*next++ = '\0';
    900 	if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
    901 		wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
    902 		os_free(r0kh);
    903 		return -1;
    904 	}
    905 
    906 	pos = next;
    907 	next = os_strchr(pos, ' ');
    908 	if (next)
    909 		*next++ = '\0';
    910 	if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
    911 		wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
    912 		os_free(r0kh);
    913 		return -1;
    914 	}
    915 	r0kh->id_len = next - pos - 1;
    916 	os_memcpy(r0kh->id, pos, r0kh->id_len);
    917 
    918 	pos = next;
    919 	if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
    920 		wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
    921 		os_free(r0kh);
    922 		return -1;
    923 	}
    924 
    925 	r0kh->next = bss->r0kh_list;
    926 	bss->r0kh_list = r0kh;
    927 
    928 	return 0;
    929 }
    930 
    931 
    932 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
    933 {
    934 	struct ft_remote_r1kh *r1kh;
    935 	char *pos, *next;
    936 
    937 	r1kh = os_zalloc(sizeof(*r1kh));
    938 	if (r1kh == NULL)
    939 		return -1;
    940 
    941 	/* 02:01:02:03:04:05 02:01:02:03:04:05
    942 	 * 000102030405060708090a0b0c0d0e0f */
    943 	pos = value;
    944 	next = os_strchr(pos, ' ');
    945 	if (next)
    946 		*next++ = '\0';
    947 	if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
    948 		wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
    949 		os_free(r1kh);
    950 		return -1;
    951 	}
    952 
    953 	pos = next;
    954 	next = os_strchr(pos, ' ');
    955 	if (next)
    956 		*next++ = '\0';
    957 	if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
    958 		wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
    959 		os_free(r1kh);
    960 		return -1;
    961 	}
    962 
    963 	pos = next;
    964 	if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
    965 		wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
    966 		os_free(r1kh);
    967 		return -1;
    968 	}
    969 
    970 	r1kh->next = bss->r1kh_list;
    971 	bss->r1kh_list = r1kh;
    972 
    973 	return 0;
    974 }
    975 #endif /* CONFIG_IEEE80211R */
    976 
    977 
    978 #ifdef CONFIG_IEEE80211N
    979 static int hostapd_config_ht_capab(struct hostapd_config *conf,
    980 				   const char *capab)
    981 {
    982 	if (os_strstr(capab, "[LDPC]"))
    983 		conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
    984 	if (os_strstr(capab, "[HT40-]")) {
    985 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
    986 		conf->secondary_channel = -1;
    987 	}
    988 	if (os_strstr(capab, "[HT40+]")) {
    989 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
    990 		conf->secondary_channel = 1;
    991 	}
    992 	if (os_strstr(capab, "[SMPS-STATIC]")) {
    993 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
    994 		conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
    995 	}
    996 	if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
    997 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
    998 		conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
    999 	}
   1000 	if (os_strstr(capab, "[GF]"))
   1001 		conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
   1002 	if (os_strstr(capab, "[SHORT-GI-20]"))
   1003 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
   1004 	if (os_strstr(capab, "[SHORT-GI-40]"))
   1005 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
   1006 	if (os_strstr(capab, "[TX-STBC]"))
   1007 		conf->ht_capab |= HT_CAP_INFO_TX_STBC;
   1008 	if (os_strstr(capab, "[RX-STBC1]")) {
   1009 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
   1010 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
   1011 	}
   1012 	if (os_strstr(capab, "[RX-STBC12]")) {
   1013 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
   1014 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
   1015 	}
   1016 	if (os_strstr(capab, "[RX-STBC123]")) {
   1017 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
   1018 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
   1019 	}
   1020 	if (os_strstr(capab, "[DELAYED-BA]"))
   1021 		conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
   1022 	if (os_strstr(capab, "[MAX-AMSDU-7935]"))
   1023 		conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
   1024 	if (os_strstr(capab, "[DSSS_CCK-40]"))
   1025 		conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
   1026 	if (os_strstr(capab, "[PSMP]"))
   1027 		conf->ht_capab |= HT_CAP_INFO_PSMP_SUPP;
   1028 	if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
   1029 		conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
   1030 
   1031 	return 0;
   1032 }
   1033 #endif /* CONFIG_IEEE80211N */
   1034 
   1035 
   1036 #ifdef CONFIG_IEEE80211AC
   1037 static int hostapd_config_vht_capab(struct hostapd_config *conf,
   1038 				    const char *capab)
   1039 {
   1040 	if (os_strstr(capab, "[MAX-MPDU-7991]"))
   1041 		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
   1042 	if (os_strstr(capab, "[MAX-MPDU-11454]"))
   1043 		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
   1044 	if (os_strstr(capab, "[VHT160]"))
   1045 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
   1046 	if (os_strstr(capab, "[VHT160-80PLUS80]"))
   1047 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
   1048 	if (os_strstr(capab, "[VHT160-80PLUS80]"))
   1049 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
   1050 	if (os_strstr(capab, "[RXLDPC]"))
   1051 		conf->vht_capab |= VHT_CAP_RXLDPC;
   1052 	if (os_strstr(capab, "[SHORT-GI-80]"))
   1053 		conf->vht_capab |= VHT_CAP_SHORT_GI_80;
   1054 	if (os_strstr(capab, "[SHORT-GI-160]"))
   1055 		conf->vht_capab |= VHT_CAP_SHORT_GI_160;
   1056 	if (os_strstr(capab, "[TX-STBC-2BY1]"))
   1057 		conf->vht_capab |= VHT_CAP_TXSTBC;
   1058 	if (os_strstr(capab, "[RX-STBC-1]"))
   1059 		conf->vht_capab |= VHT_CAP_RXSTBC_1;
   1060 	if (os_strstr(capab, "[RX-STBC-12]"))
   1061 		conf->vht_capab |= VHT_CAP_RXSTBC_2;
   1062 	if (os_strstr(capab, "[RX-STBC-123]"))
   1063 		conf->vht_capab |= VHT_CAP_RXSTBC_3;
   1064 	if (os_strstr(capab, "[RX-STBC-1234]"))
   1065 		conf->vht_capab |= VHT_CAP_RXSTBC_4;
   1066 	if (os_strstr(capab, "[SU-BEAMFORMER]"))
   1067 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
   1068 	if (os_strstr(capab, "[SU-BEAMFORMEE]"))
   1069 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
   1070 	if (os_strstr(capab, "[BF-ANTENNA-2]") &&
   1071 	    (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
   1072 		conf->vht_capab |= VHT_CAP_BEAMFORMER_ANTENNAS_MAX;
   1073 	if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
   1074 	    (conf->vht_capab & VHT_CAP_MU_BEAMFORMER_CAPABLE))
   1075 		conf->vht_capab |= VHT_CAP_SOUNDING_DIMENTION_MAX;
   1076 	if (os_strstr(capab, "[MU-BEAMFORMER]"))
   1077 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
   1078 	if (os_strstr(capab, "[MU-BEAMFORMEE]"))
   1079 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMEE_CAPABLE;
   1080 	if (os_strstr(capab, "[VHT-TXOP-PS]"))
   1081 		conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
   1082 	if (os_strstr(capab, "[HTC-VHT]"))
   1083 		conf->vht_capab |= VHT_CAP_HTC_VHT;
   1084 	if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP0]"))
   1085 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT;
   1086 	if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
   1087 	    (conf->vht_capab & VHT_CAP_HTC_VHT))
   1088 		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
   1089 	if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
   1090 	    (conf->vht_capab & VHT_CAP_HTC_VHT))
   1091 		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
   1092 	if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
   1093 		conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
   1094 	if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
   1095 		conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
   1096 	return 0;
   1097 }
   1098 #endif /* CONFIG_IEEE80211AC */
   1099 
   1100 
   1101 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
   1102 				    struct hostapd_config *conf)
   1103 {
   1104 	if (bss->ieee802_1x && !bss->eap_server &&
   1105 	    !bss->radius->auth_servers) {
   1106 		wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
   1107 			   "EAP authenticator configured).");
   1108 		return -1;
   1109 	}
   1110 
   1111 	if (bss->wpa && bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
   1112 	    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
   1113 		wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
   1114 			   "RADIUS checking (macaddr_acl=2) enabled.");
   1115 		return -1;
   1116 	}
   1117 
   1118 	if (bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
   1119 	    bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
   1120 	    bss->ssid.wpa_psk_file == NULL &&
   1121 	    (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
   1122 	     bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
   1123 		wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
   1124 			   "is not configured.");
   1125 		return -1;
   1126 	}
   1127 
   1128 	if (hostapd_mac_comp_empty(bss->bssid) != 0) {
   1129 		size_t i;
   1130 
   1131 		for (i = 0; i < conf->num_bss; i++) {
   1132 			if ((&conf->bss[i] != bss) &&
   1133 			    (hostapd_mac_comp(conf->bss[i].bssid,
   1134 					      bss->bssid) == 0)) {
   1135 				wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
   1136 					   " on interface '%s' and '%s'.",
   1137 					   MAC2STR(bss->bssid),
   1138 					   conf->bss[i].iface, bss->iface);
   1139 				return -1;
   1140 			}
   1141 		}
   1142 	}
   1143 
   1144 #ifdef CONFIG_IEEE80211R
   1145 	if (wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
   1146 	    (bss->nas_identifier == NULL ||
   1147 	     os_strlen(bss->nas_identifier) < 1 ||
   1148 	     os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
   1149 		wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
   1150 			   "nas_identifier to be configured as a 1..48 octet "
   1151 			   "string");
   1152 		return -1;
   1153 	}
   1154 #endif /* CONFIG_IEEE80211R */
   1155 
   1156 #ifdef CONFIG_IEEE80211N
   1157 	if (conf->ieee80211n && conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
   1158 		bss->disable_11n = 1;
   1159 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
   1160 			   "allowed, disabling HT capabilites");
   1161 	}
   1162 
   1163 	if (conf->ieee80211n &&
   1164 	    bss->ssid.security_policy == SECURITY_STATIC_WEP) {
   1165 		bss->disable_11n = 1;
   1166 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
   1167 			   "allowed, disabling HT capabilities");
   1168 	}
   1169 
   1170 	if (conf->ieee80211n && bss->wpa &&
   1171 	    !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
   1172 	    !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP))) {
   1173 		bss->disable_11n = 1;
   1174 		wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
   1175 			   "requires CCMP/GCMP to be enabled, disabling HT "
   1176 			   "capabilities");
   1177 	}
   1178 #endif /* CONFIG_IEEE80211N */
   1179 
   1180 #ifdef CONFIG_WPS2
   1181 	if (bss->wps_state && bss->ignore_broadcast_ssid) {
   1182 		wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
   1183 			   "configuration forced WPS to be disabled");
   1184 		bss->wps_state = 0;
   1185 	}
   1186 
   1187 	if (bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) {
   1188 		wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
   1189 			   "disabled");
   1190 		bss->wps_state = 0;
   1191 	}
   1192 
   1193 	if (bss->wps_state && bss->wpa &&
   1194 	    (!(bss->wpa & 2) ||
   1195 	     !(bss->rsn_pairwise & WPA_CIPHER_CCMP))) {
   1196 		wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without "
   1197 			   "WPA2/CCMP forced WPS to be disabled");
   1198 		bss->wps_state = 0;
   1199 	}
   1200 #endif /* CONFIG_WPS2 */
   1201 
   1202 #ifdef CONFIG_HS20
   1203 	if (bss->hs20 &&
   1204 	    (!(bss->wpa & 2) ||
   1205 	     !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)))) {
   1206 		wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP "
   1207 			   "configuration is required for Hotspot 2.0 "
   1208 			   "functionality");
   1209 		return -1;
   1210 	}
   1211 #endif /* CONFIG_HS20 */
   1212 
   1213 	return 0;
   1214 }
   1215 
   1216 
   1217 static int hostapd_config_check(struct hostapd_config *conf)
   1218 {
   1219 	size_t i;
   1220 
   1221 	if (conf->ieee80211d && (!conf->country[0] || !conf->country[1])) {
   1222 		wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
   1223 			   "setting the country_code");
   1224 		return -1;
   1225 	}
   1226 
   1227 	for (i = 0; i < conf->num_bss; i++) {
   1228 		if (hostapd_config_check_bss(&conf->bss[i], conf))
   1229 			return -1;
   1230 	}
   1231 
   1232 	return 0;
   1233 }
   1234 
   1235 
   1236 #ifdef CONFIG_INTERWORKING
   1237 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
   1238 				    int line)
   1239 {
   1240 	size_t len = os_strlen(pos);
   1241 	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
   1242 
   1243 	struct hostapd_roaming_consortium *rc;
   1244 
   1245 	if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
   1246 	    hexstr2bin(pos, oi, len / 2)) {
   1247 		wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
   1248 			   "'%s'", line, pos);
   1249 		return -1;
   1250 	}
   1251 	len /= 2;
   1252 
   1253 	rc = os_realloc_array(bss->roaming_consortium,
   1254 			      bss->roaming_consortium_count + 1,
   1255 			      sizeof(struct hostapd_roaming_consortium));
   1256 	if (rc == NULL)
   1257 		return -1;
   1258 
   1259 	os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
   1260 	rc[bss->roaming_consortium_count].len = len;
   1261 
   1262 	bss->roaming_consortium = rc;
   1263 	bss->roaming_consortium_count++;
   1264 
   1265 	return 0;
   1266 }
   1267 
   1268 
   1269 static int parse_lang_string(struct hostapd_lang_string **array,
   1270 			     unsigned int *count, char *pos)
   1271 {
   1272 	char *sep;
   1273 	size_t clen, nlen;
   1274 	struct hostapd_lang_string *ls;
   1275 
   1276 	sep = os_strchr(pos, ':');
   1277 	if (sep == NULL)
   1278 		return -1;
   1279 	*sep++ = '\0';
   1280 
   1281 	clen = os_strlen(pos);
   1282 	if (clen < 2)
   1283 		return -1;
   1284 	nlen = os_strlen(sep);
   1285 	if (nlen > 252)
   1286 		return -1;
   1287 
   1288 	ls = os_realloc_array(*array, *count + 1,
   1289 			      sizeof(struct hostapd_lang_string));
   1290 	if (ls == NULL)
   1291 		return -1;
   1292 
   1293 	*array = ls;
   1294 	ls = &(*array)[*count];
   1295 	(*count)++;
   1296 
   1297 	os_memset(ls->lang, 0, sizeof(ls->lang));
   1298 	os_memcpy(ls->lang, pos, clen);
   1299 	ls->name_len = nlen;
   1300 	os_memcpy(ls->name, sep, nlen);
   1301 
   1302 	return 0;
   1303 }
   1304 
   1305 
   1306 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
   1307 			    int line)
   1308 {
   1309 	if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
   1310 		wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
   1311 			   line, pos);
   1312 		return -1;
   1313 	}
   1314 	return 0;
   1315 }
   1316 
   1317 
   1318 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
   1319 			       int line)
   1320 {
   1321 	size_t count;
   1322 	char *pos;
   1323 	u8 *info = NULL, *ipos;
   1324 
   1325 	/* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
   1326 
   1327 	count = 1;
   1328 	for (pos = buf; *pos; pos++) {
   1329 		if ((*pos < '0' && *pos > '9') && *pos != ';' && *pos != ',')
   1330 			goto fail;
   1331 		if (*pos == ';')
   1332 			count++;
   1333 	}
   1334 	if (1 + count * 3 > 0x7f)
   1335 		goto fail;
   1336 
   1337 	info = os_zalloc(2 + 3 + count * 3);
   1338 	if (info == NULL)
   1339 		return -1;
   1340 
   1341 	ipos = info;
   1342 	*ipos++ = 0; /* GUD - Version 1 */
   1343 	*ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
   1344 	*ipos++ = 0; /* PLMN List IEI */
   1345 	/* ext(b8) | Length of PLMN List value contents(b7..1) */
   1346 	*ipos++ = 1 + count * 3;
   1347 	*ipos++ = count; /* Number of PLMNs */
   1348 
   1349 	pos = buf;
   1350 	while (pos && *pos) {
   1351 		char *mcc, *mnc;
   1352 		size_t mnc_len;
   1353 
   1354 		mcc = pos;
   1355 		mnc = os_strchr(pos, ',');
   1356 		if (mnc == NULL)
   1357 			goto fail;
   1358 		*mnc++ = '\0';
   1359 		pos = os_strchr(mnc, ';');
   1360 		if (pos)
   1361 			*pos++ = '\0';
   1362 
   1363 		mnc_len = os_strlen(mnc);
   1364 		if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
   1365 			goto fail;
   1366 
   1367 		/* BC coded MCC,MNC */
   1368 		/* MCC digit 2 | MCC digit 1 */
   1369 		*ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
   1370 		/* MNC digit 3 | MCC digit 3 */
   1371 		*ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
   1372 			(mcc[2] - '0');
   1373 		/* MNC digit 2 | MNC digit 1 */
   1374 		*ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
   1375 	}
   1376 
   1377 	os_free(bss->anqp_3gpp_cell_net);
   1378 	bss->anqp_3gpp_cell_net = info;
   1379 	bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
   1380 	wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
   1381 		    bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
   1382 
   1383 	return 0;
   1384 
   1385 fail:
   1386 	wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
   1387 		   line, buf);
   1388 	os_free(info);
   1389 	return -1;
   1390 }
   1391 
   1392 
   1393 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
   1394 {
   1395 	struct hostapd_nai_realm_data *realm;
   1396 	size_t i, j, len;
   1397 	int *offsets;
   1398 	char *pos, *end, *rpos;
   1399 
   1400 	offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
   1401 			    sizeof(int));
   1402 	if (offsets == NULL)
   1403 		return -1;
   1404 
   1405 	for (i = 0; i < bss->nai_realm_count; i++) {
   1406 		realm = &bss->nai_realm_data[i];
   1407 		for (j = 0; j < MAX_NAI_REALMS; j++) {
   1408 			offsets[i * MAX_NAI_REALMS + j] =
   1409 				realm->realm[j] ?
   1410 				realm->realm[j] - realm->realm_buf : -1;
   1411 		}
   1412 	}
   1413 
   1414 	realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
   1415 				 sizeof(struct hostapd_nai_realm_data));
   1416 	if (realm == NULL) {
   1417 		os_free(offsets);
   1418 		return -1;
   1419 	}
   1420 	bss->nai_realm_data = realm;
   1421 
   1422 	/* patch the pointers after realloc */
   1423 	for (i = 0; i < bss->nai_realm_count; i++) {
   1424 		realm = &bss->nai_realm_data[i];
   1425 		for (j = 0; j < MAX_NAI_REALMS; j++) {
   1426 			int offs = offsets[i * MAX_NAI_REALMS + j];
   1427 			if (offs >= 0)
   1428 				realm->realm[j] = realm->realm_buf + offs;
   1429 			else
   1430 				realm->realm[j] = NULL;
   1431 		}
   1432 	}
   1433 	os_free(offsets);
   1434 
   1435 	realm = &bss->nai_realm_data[bss->nai_realm_count];
   1436 	os_memset(realm, 0, sizeof(*realm));
   1437 
   1438 	pos = buf;
   1439 	realm->encoding = atoi(pos);
   1440 	pos = os_strchr(pos, ',');
   1441 	if (pos == NULL)
   1442 		goto fail;
   1443 	pos++;
   1444 
   1445 	end = os_strchr(pos, ',');
   1446 	if (end) {
   1447 		len = end - pos;
   1448 		*end = '\0';
   1449 	} else {
   1450 		len = os_strlen(pos);
   1451 	}
   1452 
   1453 	if (len > MAX_NAI_REALMLEN) {
   1454 		wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
   1455 			   "characters)", (int) len, MAX_NAI_REALMLEN);
   1456 		goto fail;
   1457 	}
   1458 	os_memcpy(realm->realm_buf, pos, len);
   1459 
   1460 	if (end)
   1461 		pos = end + 1;
   1462 	else
   1463 		pos = NULL;
   1464 
   1465 	while (pos && *pos) {
   1466 		struct hostapd_nai_realm_eap *eap;
   1467 
   1468 		if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
   1469 			wpa_printf(MSG_ERROR, "Too many EAP methods");
   1470 			goto fail;
   1471 		}
   1472 
   1473 		eap = &realm->eap_method[realm->eap_method_count];
   1474 		realm->eap_method_count++;
   1475 
   1476 		end = os_strchr(pos, ',');
   1477 		if (end == NULL)
   1478 			end = pos + os_strlen(pos);
   1479 
   1480 		eap->eap_method = atoi(pos);
   1481 		for (;;) {
   1482 			pos = os_strchr(pos, '[');
   1483 			if (pos == NULL || pos > end)
   1484 				break;
   1485 			pos++;
   1486 			if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
   1487 				wpa_printf(MSG_ERROR, "Too many auth params");
   1488 				goto fail;
   1489 			}
   1490 			eap->auth_id[eap->num_auths] = atoi(pos);
   1491 			pos = os_strchr(pos, ':');
   1492 			if (pos == NULL || pos > end)
   1493 				goto fail;
   1494 			pos++;
   1495 			eap->auth_val[eap->num_auths] = atoi(pos);
   1496 			pos = os_strchr(pos, ']');
   1497 			if (pos == NULL || pos > end)
   1498 				goto fail;
   1499 			pos++;
   1500 			eap->num_auths++;
   1501 		}
   1502 
   1503 		if (*end != ',')
   1504 			break;
   1505 
   1506 		pos = end + 1;
   1507 	}
   1508 
   1509 	/* Split realm list into null terminated realms */
   1510 	rpos = realm->realm_buf;
   1511 	i = 0;
   1512 	while (*rpos) {
   1513 		if (i >= MAX_NAI_REALMS) {
   1514 			wpa_printf(MSG_ERROR, "Too many realms");
   1515 			goto fail;
   1516 		}
   1517 		realm->realm[i++] = rpos;
   1518 		rpos = os_strchr(rpos, ';');
   1519 		if (rpos == NULL)
   1520 			break;
   1521 		*rpos++ = '\0';
   1522 	}
   1523 
   1524 	bss->nai_realm_count++;
   1525 
   1526 	return 0;
   1527 
   1528 fail:
   1529 	wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
   1530 	return -1;
   1531 }
   1532 
   1533 #endif /* CONFIG_INTERWORKING */
   1534 
   1535 
   1536 #ifdef CONFIG_HS20
   1537 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
   1538 				 int line)
   1539 {
   1540 	u8 *conn_cap;
   1541 	char *pos;
   1542 
   1543 	if (bss->hs20_connection_capability_len >= 0xfff0)
   1544 		return -1;
   1545 
   1546 	conn_cap = os_realloc(bss->hs20_connection_capability,
   1547 			      bss->hs20_connection_capability_len + 4);
   1548 	if (conn_cap == NULL)
   1549 		return -1;
   1550 
   1551 	bss->hs20_connection_capability = conn_cap;
   1552 	conn_cap += bss->hs20_connection_capability_len;
   1553 	pos = buf;
   1554 	conn_cap[0] = atoi(pos);
   1555 	pos = os_strchr(pos, ':');
   1556 	if (pos == NULL)
   1557 		return -1;
   1558 	pos++;
   1559 	WPA_PUT_LE16(conn_cap + 1, atoi(pos));
   1560 	pos = os_strchr(pos, ':');
   1561 	if (pos == NULL)
   1562 		return -1;
   1563 	pos++;
   1564 	conn_cap[3] = atoi(pos);
   1565 	bss->hs20_connection_capability_len += 4;
   1566 
   1567 	return 0;
   1568 }
   1569 
   1570 
   1571 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
   1572 				  int line)
   1573 {
   1574 	u8 *wan_metrics;
   1575 	char *pos;
   1576 
   1577 	/* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
   1578 
   1579 	wan_metrics = os_zalloc(13);
   1580 	if (wan_metrics == NULL)
   1581 		return -1;
   1582 
   1583 	pos = buf;
   1584 	/* WAN Info */
   1585 	if (hexstr2bin(pos, wan_metrics, 1) < 0)
   1586 		goto fail;
   1587 	pos += 2;
   1588 	if (*pos != ':')
   1589 		goto fail;
   1590 	pos++;
   1591 
   1592 	/* Downlink Speed */
   1593 	WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
   1594 	pos = os_strchr(pos, ':');
   1595 	if (pos == NULL)
   1596 		goto fail;
   1597 	pos++;
   1598 
   1599 	/* Uplink Speed */
   1600 	WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
   1601 	pos = os_strchr(pos, ':');
   1602 	if (pos == NULL)
   1603 		goto fail;
   1604 	pos++;
   1605 
   1606 	/* Downlink Load */
   1607 	wan_metrics[9] = atoi(pos);
   1608 	pos = os_strchr(pos, ':');
   1609 	if (pos == NULL)
   1610 		goto fail;
   1611 	pos++;
   1612 
   1613 	/* Uplink Load */
   1614 	wan_metrics[10] = atoi(pos);
   1615 	pos = os_strchr(pos, ':');
   1616 	if (pos == NULL)
   1617 		goto fail;
   1618 	pos++;
   1619 
   1620 	/* LMD */
   1621 	WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
   1622 
   1623 	os_free(bss->hs20_wan_metrics);
   1624 	bss->hs20_wan_metrics = wan_metrics;
   1625 
   1626 	return 0;
   1627 
   1628 fail:
   1629 	wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
   1630 		   line, pos);
   1631 	os_free(wan_metrics);
   1632 	return -1;
   1633 }
   1634 
   1635 
   1636 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
   1637 					 char *pos, int line)
   1638 {
   1639 	if (parse_lang_string(&bss->hs20_oper_friendly_name,
   1640 			      &bss->hs20_oper_friendly_name_count, pos)) {
   1641 		wpa_printf(MSG_ERROR, "Line %d: Invalid "
   1642 			   "hs20_oper_friendly_name '%s'", line, pos);
   1643 		return -1;
   1644 	}
   1645 	return 0;
   1646 }
   1647 #endif /* CONFIG_HS20 */
   1648 
   1649 
   1650 #ifdef CONFIG_WPS_NFC
   1651 static struct wpabuf * hostapd_parse_bin(const char *buf)
   1652 {
   1653 	size_t len;
   1654 	struct wpabuf *ret;
   1655 
   1656 	len = os_strlen(buf);
   1657 	if (len & 0x01)
   1658 		return NULL;
   1659 	len /= 2;
   1660 
   1661 	ret = wpabuf_alloc(len);
   1662 	if (ret == NULL)
   1663 		return NULL;
   1664 
   1665 	if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
   1666 		wpabuf_free(ret);
   1667 		return NULL;
   1668 	}
   1669 
   1670 	return ret;
   1671 }
   1672 #endif /* CONFIG_WPS_NFC */
   1673 
   1674 
   1675 static int hostapd_config_fill(struct hostapd_config *conf,
   1676 			       struct hostapd_bss_config *bss,
   1677 			       char *buf, char *pos, int line)
   1678 {
   1679 	int errors = 0;
   1680 
   1681 	{
   1682 		if (os_strcmp(buf, "interface") == 0) {
   1683 			os_strlcpy(conf->bss[0].iface, pos,
   1684 				   sizeof(conf->bss[0].iface));
   1685 		} else if (os_strcmp(buf, "bridge") == 0) {
   1686 			os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
   1687 		} else if (os_strcmp(buf, "wds_bridge") == 0) {
   1688 			os_strlcpy(bss->wds_bridge, pos,
   1689 				   sizeof(bss->wds_bridge));
   1690 		} else if (os_strcmp(buf, "driver") == 0) {
   1691 			int j;
   1692 			/* clear to get error below if setting is invalid */
   1693 			conf->driver = NULL;
   1694 			for (j = 0; wpa_drivers[j]; j++) {
   1695 				if (os_strcmp(pos, wpa_drivers[j]->name) == 0)
   1696 				{
   1697 					conf->driver = wpa_drivers[j];
   1698 					break;
   1699 				}
   1700 			}
   1701 			if (conf->driver == NULL) {
   1702 				wpa_printf(MSG_ERROR, "Line %d: invalid/"
   1703 					   "unknown driver '%s'", line, pos);
   1704 				errors++;
   1705 			}
   1706 		} else if (os_strcmp(buf, "debug") == 0) {
   1707 			wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' "
   1708 				   "configuration variable is not used "
   1709 				   "anymore", line);
   1710 		} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
   1711 			bss->logger_syslog_level = atoi(pos);
   1712 		} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
   1713 			bss->logger_stdout_level = atoi(pos);
   1714 		} else if (os_strcmp(buf, "logger_syslog") == 0) {
   1715 			bss->logger_syslog = atoi(pos);
   1716 		} else if (os_strcmp(buf, "logger_stdout") == 0) {
   1717 			bss->logger_stdout = atoi(pos);
   1718 		} else if (os_strcmp(buf, "dump_file") == 0) {
   1719 			bss->dump_log_name = os_strdup(pos);
   1720 		} else if (os_strcmp(buf, "ssid") == 0) {
   1721 			bss->ssid.ssid_len = os_strlen(pos);
   1722 			if (bss->ssid.ssid_len > HOSTAPD_MAX_SSID_LEN ||
   1723 			    bss->ssid.ssid_len < 1) {
   1724 				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
   1725 					   "'%s'", line, pos);
   1726 				errors++;
   1727 			} else {
   1728 				os_memcpy(bss->ssid.ssid, pos,
   1729 					  bss->ssid.ssid_len);
   1730 				bss->ssid.ssid_set = 1;
   1731 			}
   1732 		} else if (os_strcmp(buf, "ssid2") == 0) {
   1733 			size_t slen;
   1734 			char *str = wpa_config_parse_string(pos, &slen);
   1735 			if (str == NULL || slen < 1 ||
   1736 				   slen > HOSTAPD_MAX_SSID_LEN) {
   1737 				wpa_printf(MSG_ERROR, "Line %d: invalid SSID "
   1738 					   "'%s'", line, pos);
   1739 				errors++;
   1740 			} else {
   1741 				os_memcpy(bss->ssid.ssid, str, slen);
   1742 				bss->ssid.ssid_len = slen;
   1743 				bss->ssid.ssid_set = 1;
   1744 			}
   1745 			os_free(str);
   1746 		} else if (os_strcmp(buf, "utf8_ssid") == 0) {
   1747 			bss->ssid.utf8_ssid = atoi(pos) > 0;
   1748 		} else if (os_strcmp(buf, "macaddr_acl") == 0) {
   1749 			bss->macaddr_acl = atoi(pos);
   1750 			if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
   1751 			    bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
   1752 			    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
   1753 				wpa_printf(MSG_ERROR, "Line %d: unknown "
   1754 					   "macaddr_acl %d",
   1755 					   line, bss->macaddr_acl);
   1756 			}
   1757 		} else if (os_strcmp(buf, "accept_mac_file") == 0) {
   1758 			if (hostapd_config_read_maclist(pos, &bss->accept_mac,
   1759 							&bss->num_accept_mac))
   1760 			{
   1761 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
   1762 					   "read accept_mac_file '%s'",
   1763 					   line, pos);
   1764 				errors++;
   1765 			}
   1766 		} else if (os_strcmp(buf, "deny_mac_file") == 0) {
   1767 			if (hostapd_config_read_maclist(pos, &bss->deny_mac,
   1768 							&bss->num_deny_mac)) {
   1769 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
   1770 					   "read deny_mac_file '%s'",
   1771 					   line, pos);
   1772 				errors++;
   1773 			}
   1774 		} else if (os_strcmp(buf, "wds_sta") == 0) {
   1775 			bss->wds_sta = atoi(pos);
   1776 		} else if (os_strcmp(buf, "ap_isolate") == 0) {
   1777 			bss->isolate = atoi(pos);
   1778 		} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
   1779 			bss->ap_max_inactivity = atoi(pos);
   1780 		} else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
   1781 			bss->skip_inactivity_poll = atoi(pos);
   1782 		} else if (os_strcmp(buf, "country_code") == 0) {
   1783 			os_memcpy(conf->country, pos, 2);
   1784 			/* FIX: make this configurable */
   1785 			conf->country[2] = ' ';
   1786 		} else if (os_strcmp(buf, "ieee80211d") == 0) {
   1787 			conf->ieee80211d = atoi(pos);
   1788 		} else if (os_strcmp(buf, "ieee8021x") == 0) {
   1789 			bss->ieee802_1x = atoi(pos);
   1790 		} else if (os_strcmp(buf, "eapol_version") == 0) {
   1791 			bss->eapol_version = atoi(pos);
   1792 			if (bss->eapol_version < 1 ||
   1793 			    bss->eapol_version > 2) {
   1794 				wpa_printf(MSG_ERROR, "Line %d: invalid EAPOL "
   1795 					   "version (%d): '%s'.",
   1796 					   line, bss->eapol_version, pos);
   1797 				errors++;
   1798 			} else
   1799 				wpa_printf(MSG_DEBUG, "eapol_version=%d",
   1800 					   bss->eapol_version);
   1801 #ifdef EAP_SERVER
   1802 		} else if (os_strcmp(buf, "eap_authenticator") == 0) {
   1803 			bss->eap_server = atoi(pos);
   1804 			wpa_printf(MSG_ERROR, "Line %d: obsolete "
   1805 				   "eap_authenticator used; this has been "
   1806 				   "renamed to eap_server", line);
   1807 		} else if (os_strcmp(buf, "eap_server") == 0) {
   1808 			bss->eap_server = atoi(pos);
   1809 		} else if (os_strcmp(buf, "eap_user_file") == 0) {
   1810 			if (hostapd_config_read_eap_user(pos, bss))
   1811 				errors++;
   1812 		} else if (os_strcmp(buf, "ca_cert") == 0) {
   1813 			os_free(bss->ca_cert);
   1814 			bss->ca_cert = os_strdup(pos);
   1815 		} else if (os_strcmp(buf, "server_cert") == 0) {
   1816 			os_free(bss->server_cert);
   1817 			bss->server_cert = os_strdup(pos);
   1818 		} else if (os_strcmp(buf, "private_key") == 0) {
   1819 			os_free(bss->private_key);
   1820 			bss->private_key = os_strdup(pos);
   1821 		} else if (os_strcmp(buf, "private_key_passwd") == 0) {
   1822 			os_free(bss->private_key_passwd);
   1823 			bss->private_key_passwd = os_strdup(pos);
   1824 		} else if (os_strcmp(buf, "check_crl") == 0) {
   1825 			bss->check_crl = atoi(pos);
   1826 		} else if (os_strcmp(buf, "dh_file") == 0) {
   1827 			os_free(bss->dh_file);
   1828 			bss->dh_file = os_strdup(pos);
   1829 		} else if (os_strcmp(buf, "fragment_size") == 0) {
   1830 			bss->fragment_size = atoi(pos);
   1831 #ifdef EAP_SERVER_FAST
   1832 		} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
   1833 			os_free(bss->pac_opaque_encr_key);
   1834 			bss->pac_opaque_encr_key = os_malloc(16);
   1835 			if (bss->pac_opaque_encr_key == NULL) {
   1836 				wpa_printf(MSG_ERROR, "Line %d: No memory for "
   1837 					   "pac_opaque_encr_key", line);
   1838 				errors++;
   1839 			} else if (hexstr2bin(pos, bss->pac_opaque_encr_key,
   1840 					      16)) {
   1841 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   1842 					   "pac_opaque_encr_key", line);
   1843 				errors++;
   1844 			}
   1845 		} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
   1846 			size_t idlen = os_strlen(pos);
   1847 			if (idlen & 1) {
   1848 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   1849 					   "eap_fast_a_id", line);
   1850 				errors++;
   1851 			} else {
   1852 				os_free(bss->eap_fast_a_id);
   1853 				bss->eap_fast_a_id = os_malloc(idlen / 2);
   1854 				if (bss->eap_fast_a_id == NULL ||
   1855 				    hexstr2bin(pos, bss->eap_fast_a_id,
   1856 					       idlen / 2)) {
   1857 					wpa_printf(MSG_ERROR, "Line %d: "
   1858 						   "Failed to parse "
   1859 						   "eap_fast_a_id", line);
   1860 					errors++;
   1861 				} else
   1862 					bss->eap_fast_a_id_len = idlen / 2;
   1863 			}
   1864 		} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
   1865 			os_free(bss->eap_fast_a_id_info);
   1866 			bss->eap_fast_a_id_info = os_strdup(pos);
   1867 		} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
   1868 			bss->eap_fast_prov = atoi(pos);
   1869 		} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
   1870 			bss->pac_key_lifetime = atoi(pos);
   1871 		} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
   1872 			bss->pac_key_refresh_time = atoi(pos);
   1873 #endif /* EAP_SERVER_FAST */
   1874 #ifdef EAP_SERVER_SIM
   1875 		} else if (os_strcmp(buf, "eap_sim_db") == 0) {
   1876 			os_free(bss->eap_sim_db);
   1877 			bss->eap_sim_db = os_strdup(pos);
   1878 		} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
   1879 			bss->eap_sim_aka_result_ind = atoi(pos);
   1880 #endif /* EAP_SERVER_SIM */
   1881 #ifdef EAP_SERVER_TNC
   1882 		} else if (os_strcmp(buf, "tnc") == 0) {
   1883 			bss->tnc = atoi(pos);
   1884 #endif /* EAP_SERVER_TNC */
   1885 #ifdef EAP_SERVER_PWD
   1886 		} else if (os_strcmp(buf, "pwd_group") == 0) {
   1887 			bss->pwd_group = atoi(pos);
   1888 #endif /* EAP_SERVER_PWD */
   1889 #endif /* EAP_SERVER */
   1890 		} else if (os_strcmp(buf, "eap_message") == 0) {
   1891 			char *term;
   1892 			bss->eap_req_id_text = os_strdup(pos);
   1893 			if (bss->eap_req_id_text == NULL) {
   1894 				wpa_printf(MSG_ERROR, "Line %d: Failed to "
   1895 					   "allocate memory for "
   1896 					   "eap_req_id_text", line);
   1897 				errors++;
   1898 				return errors;
   1899 			}
   1900 			bss->eap_req_id_text_len =
   1901 				os_strlen(bss->eap_req_id_text);
   1902 			term = os_strstr(bss->eap_req_id_text, "\\0");
   1903 			if (term) {
   1904 				*term++ = '\0';
   1905 				os_memmove(term, term + 1,
   1906 					   bss->eap_req_id_text_len -
   1907 					   (term - bss->eap_req_id_text) - 1);
   1908 				bss->eap_req_id_text_len--;
   1909 			}
   1910 		} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
   1911 			bss->default_wep_key_len = atoi(pos);
   1912 			if (bss->default_wep_key_len > 13) {
   1913 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
   1914 					   "key len %lu (= %lu bits)", line,
   1915 					   (unsigned long)
   1916 					   bss->default_wep_key_len,
   1917 					   (unsigned long)
   1918 					   bss->default_wep_key_len * 8);
   1919 				errors++;
   1920 			}
   1921 		} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
   1922 			bss->individual_wep_key_len = atoi(pos);
   1923 			if (bss->individual_wep_key_len < 0 ||
   1924 			    bss->individual_wep_key_len > 13) {
   1925 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
   1926 					   "key len %d (= %d bits)", line,
   1927 					   bss->individual_wep_key_len,
   1928 					   bss->individual_wep_key_len * 8);
   1929 				errors++;
   1930 			}
   1931 		} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
   1932 			bss->wep_rekeying_period = atoi(pos);
   1933 			if (bss->wep_rekeying_period < 0) {
   1934 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   1935 					   "period %d",
   1936 					   line, bss->wep_rekeying_period);
   1937 				errors++;
   1938 			}
   1939 		} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
   1940 			bss->eap_reauth_period = atoi(pos);
   1941 			if (bss->eap_reauth_period < 0) {
   1942 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   1943 					   "period %d",
   1944 					   line, bss->eap_reauth_period);
   1945 				errors++;
   1946 			}
   1947 		} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
   1948 			bss->eapol_key_index_workaround = atoi(pos);
   1949 #ifdef CONFIG_IAPP
   1950 		} else if (os_strcmp(buf, "iapp_interface") == 0) {
   1951 			bss->ieee802_11f = 1;
   1952 			os_strlcpy(bss->iapp_iface, pos,
   1953 				   sizeof(bss->iapp_iface));
   1954 #endif /* CONFIG_IAPP */
   1955 		} else if (os_strcmp(buf, "own_ip_addr") == 0) {
   1956 			if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
   1957 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
   1958 					   "address '%s'", line, pos);
   1959 				errors++;
   1960 			}
   1961 		} else if (os_strcmp(buf, "nas_identifier") == 0) {
   1962 			bss->nas_identifier = os_strdup(pos);
   1963 #ifndef CONFIG_NO_RADIUS
   1964 		} else if (os_strcmp(buf, "auth_server_addr") == 0) {
   1965 			if (hostapd_config_read_radius_addr(
   1966 				    &bss->radius->auth_servers,
   1967 				    &bss->radius->num_auth_servers, pos, 1812,
   1968 				    &bss->radius->auth_server)) {
   1969 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
   1970 					   "address '%s'", line, pos);
   1971 				errors++;
   1972 			}
   1973 		} else if (bss->radius->auth_server &&
   1974 			   os_strcmp(buf, "auth_server_port") == 0) {
   1975 			bss->radius->auth_server->port = atoi(pos);
   1976 		} else if (bss->radius->auth_server &&
   1977 			   os_strcmp(buf, "auth_server_shared_secret") == 0) {
   1978 			int len = os_strlen(pos);
   1979 			if (len == 0) {
   1980 				/* RFC 2865, Ch. 3 */
   1981 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
   1982 					   "secret is not allowed.", line);
   1983 				errors++;
   1984 			}
   1985 			bss->radius->auth_server->shared_secret =
   1986 				(u8 *) os_strdup(pos);
   1987 			bss->radius->auth_server->shared_secret_len = len;
   1988 		} else if (os_strcmp(buf, "acct_server_addr") == 0) {
   1989 			if (hostapd_config_read_radius_addr(
   1990 				    &bss->radius->acct_servers,
   1991 				    &bss->radius->num_acct_servers, pos, 1813,
   1992 				    &bss->radius->acct_server)) {
   1993 				wpa_printf(MSG_ERROR, "Line %d: invalid IP "
   1994 					   "address '%s'", line, pos);
   1995 				errors++;
   1996 			}
   1997 		} else if (bss->radius->acct_server &&
   1998 			   os_strcmp(buf, "acct_server_port") == 0) {
   1999 			bss->radius->acct_server->port = atoi(pos);
   2000 		} else if (bss->radius->acct_server &&
   2001 			   os_strcmp(buf, "acct_server_shared_secret") == 0) {
   2002 			int len = os_strlen(pos);
   2003 			if (len == 0) {
   2004 				/* RFC 2865, Ch. 3 */
   2005 				wpa_printf(MSG_ERROR, "Line %d: empty shared "
   2006 					   "secret is not allowed.", line);
   2007 				errors++;
   2008 			}
   2009 			bss->radius->acct_server->shared_secret =
   2010 				(u8 *) os_strdup(pos);
   2011 			bss->radius->acct_server->shared_secret_len = len;
   2012 		} else if (os_strcmp(buf, "radius_retry_primary_interval") ==
   2013 			   0) {
   2014 			bss->radius->retry_primary_interval = atoi(pos);
   2015 		} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0)
   2016 		{
   2017 			bss->acct_interim_interval = atoi(pos);
   2018 		} else if (os_strcmp(buf, "radius_request_cui") == 0) {
   2019 			bss->radius_request_cui = atoi(pos);
   2020 		} else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
   2021 			struct hostapd_radius_attr *attr, *a;
   2022 			attr = hostapd_parse_radius_attr(pos);
   2023 			if (attr == NULL) {
   2024 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2025 					   "radius_auth_req_attr", line);
   2026 				errors++;
   2027 			} else if (bss->radius_auth_req_attr == NULL) {
   2028 				bss->radius_auth_req_attr = attr;
   2029 			} else {
   2030 				a = bss->radius_auth_req_attr;
   2031 				while (a->next)
   2032 					a = a->next;
   2033 				a->next = attr;
   2034 			}
   2035 		} else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
   2036 			struct hostapd_radius_attr *attr, *a;
   2037 			attr = hostapd_parse_radius_attr(pos);
   2038 			if (attr == NULL) {
   2039 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2040 					   "radius_acct_req_attr", line);
   2041 				errors++;
   2042 			} else if (bss->radius_acct_req_attr == NULL) {
   2043 				bss->radius_acct_req_attr = attr;
   2044 			} else {
   2045 				a = bss->radius_acct_req_attr;
   2046 				while (a->next)
   2047 					a = a->next;
   2048 				a->next = attr;
   2049 			}
   2050 		} else if (os_strcmp(buf, "radius_das_port") == 0) {
   2051 			bss->radius_das_port = atoi(pos);
   2052 		} else if (os_strcmp(buf, "radius_das_client") == 0) {
   2053 			if (hostapd_parse_das_client(bss, pos) < 0) {
   2054 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2055 					   "DAS client", line);
   2056 				errors++;
   2057 			}
   2058 		} else if (os_strcmp(buf, "radius_das_time_window") == 0) {
   2059 			bss->radius_das_time_window = atoi(pos);
   2060 		} else if (os_strcmp(buf, "radius_das_require_event_timestamp")
   2061 			   == 0) {
   2062 			bss->radius_das_require_event_timestamp = atoi(pos);
   2063 #endif /* CONFIG_NO_RADIUS */
   2064 		} else if (os_strcmp(buf, "auth_algs") == 0) {
   2065 			bss->auth_algs = atoi(pos);
   2066 			if (bss->auth_algs == 0) {
   2067 				wpa_printf(MSG_ERROR, "Line %d: no "
   2068 					   "authentication algorithms allowed",
   2069 					   line);
   2070 				errors++;
   2071 			}
   2072 		} else if (os_strcmp(buf, "max_num_sta") == 0) {
   2073 			bss->max_num_sta = atoi(pos);
   2074 			if (bss->max_num_sta < 0 ||
   2075 			    bss->max_num_sta > MAX_STA_COUNT) {
   2076 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2077 					   "max_num_sta=%d; allowed range "
   2078 					   "0..%d", line, bss->max_num_sta,
   2079 					   MAX_STA_COUNT);
   2080 				errors++;
   2081 			}
   2082 		} else if (os_strcmp(buf, "wpa") == 0) {
   2083 			bss->wpa = atoi(pos);
   2084 		} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
   2085 			bss->wpa_group_rekey = atoi(pos);
   2086 		} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
   2087 			bss->wpa_strict_rekey = atoi(pos);
   2088 		} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
   2089 			bss->wpa_gmk_rekey = atoi(pos);
   2090 		} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
   2091 			bss->wpa_ptk_rekey = atoi(pos);
   2092 		} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
   2093 			int len = os_strlen(pos);
   2094 			if (len < 8 || len > 63) {
   2095 				wpa_printf(MSG_ERROR, "Line %d: invalid WPA "
   2096 					   "passphrase length %d (expected "
   2097 					   "8..63)", line, len);
   2098 				errors++;
   2099 			} else {
   2100 				os_free(bss->ssid.wpa_passphrase);
   2101 				bss->ssid.wpa_passphrase = os_strdup(pos);
   2102 				os_free(bss->ssid.wpa_psk);
   2103 				bss->ssid.wpa_psk = NULL;
   2104 			}
   2105 		} else if (os_strcmp(buf, "wpa_psk") == 0) {
   2106 			os_free(bss->ssid.wpa_psk);
   2107 			bss->ssid.wpa_psk =
   2108 				os_zalloc(sizeof(struct hostapd_wpa_psk));
   2109 			if (bss->ssid.wpa_psk == NULL)
   2110 				errors++;
   2111 			else if (hexstr2bin(pos, bss->ssid.wpa_psk->psk,
   2112 					    PMK_LEN) ||
   2113 				 pos[PMK_LEN * 2] != '\0') {
   2114 				wpa_printf(MSG_ERROR, "Line %d: Invalid PSK "
   2115 					   "'%s'.", line, pos);
   2116 				errors++;
   2117 			} else {
   2118 				bss->ssid.wpa_psk->group = 1;
   2119 				os_free(bss->ssid.wpa_passphrase);
   2120 				bss->ssid.wpa_passphrase = NULL;
   2121 			}
   2122 		} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
   2123 			os_free(bss->ssid.wpa_psk_file);
   2124 			bss->ssid.wpa_psk_file = os_strdup(pos);
   2125 			if (!bss->ssid.wpa_psk_file) {
   2126 				wpa_printf(MSG_ERROR, "Line %d: allocation "
   2127 					   "failed", line);
   2128 				errors++;
   2129 			}
   2130 		} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
   2131 			bss->wpa_key_mgmt =
   2132 				hostapd_config_parse_key_mgmt(line, pos);
   2133 			if (bss->wpa_key_mgmt == -1)
   2134 				errors++;
   2135 		} else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
   2136 			bss->wpa_psk_radius = atoi(pos);
   2137 			if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
   2138 			    bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
   2139 			    bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
   2140 				wpa_printf(MSG_ERROR, "Line %d: unknown "
   2141 					   "wpa_psk_radius %d",
   2142 					   line, bss->wpa_psk_radius);
   2143 				errors++;
   2144 			}
   2145 		} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
   2146 			bss->wpa_pairwise =
   2147 				hostapd_config_parse_cipher(line, pos);
   2148 			if (bss->wpa_pairwise == -1 ||
   2149 			    bss->wpa_pairwise == 0)
   2150 				errors++;
   2151 			else if (bss->wpa_pairwise &
   2152 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
   2153 				  WPA_CIPHER_WEP104)) {
   2154 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
   2155 					   "pairwise cipher suite '%s'",
   2156 					   bss->wpa_pairwise, pos);
   2157 				errors++;
   2158 			}
   2159 		} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
   2160 			bss->rsn_pairwise =
   2161 				hostapd_config_parse_cipher(line, pos);
   2162 			if (bss->rsn_pairwise == -1 ||
   2163 			    bss->rsn_pairwise == 0)
   2164 				errors++;
   2165 			else if (bss->rsn_pairwise &
   2166 				 (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
   2167 				  WPA_CIPHER_WEP104)) {
   2168 				wpa_printf(MSG_ERROR, "Line %d: unsupported "
   2169 					   "pairwise cipher suite '%s'",
   2170 					   bss->rsn_pairwise, pos);
   2171 				errors++;
   2172 			}
   2173 #ifdef CONFIG_RSN_PREAUTH
   2174 		} else if (os_strcmp(buf, "rsn_preauth") == 0) {
   2175 			bss->rsn_preauth = atoi(pos);
   2176 		} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
   2177 			bss->rsn_preauth_interfaces = os_strdup(pos);
   2178 #endif /* CONFIG_RSN_PREAUTH */
   2179 #ifdef CONFIG_PEERKEY
   2180 		} else if (os_strcmp(buf, "peerkey") == 0) {
   2181 			bss->peerkey = atoi(pos);
   2182 #endif /* CONFIG_PEERKEY */
   2183 #ifdef CONFIG_IEEE80211R
   2184 		} else if (os_strcmp(buf, "mobility_domain") == 0) {
   2185 			if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
   2186 			    hexstr2bin(pos, bss->mobility_domain,
   2187 				       MOBILITY_DOMAIN_ID_LEN) != 0) {
   2188 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
   2189 					   "mobility_domain '%s'", line, pos);
   2190 				errors++;
   2191 				return errors;
   2192 			}
   2193 		} else if (os_strcmp(buf, "r1_key_holder") == 0) {
   2194 			if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
   2195 			    hexstr2bin(pos, bss->r1_key_holder,
   2196 				       FT_R1KH_ID_LEN) != 0) {
   2197 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
   2198 					   "r1_key_holder '%s'", line, pos);
   2199 				errors++;
   2200 				return errors;
   2201 			}
   2202 		} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
   2203 			bss->r0_key_lifetime = atoi(pos);
   2204 		} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
   2205 			bss->reassociation_deadline = atoi(pos);
   2206 		} else if (os_strcmp(buf, "r0kh") == 0) {
   2207 			if (add_r0kh(bss, pos) < 0) {
   2208 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
   2209 					   "r0kh '%s'", line, pos);
   2210 				errors++;
   2211 				return errors;
   2212 			}
   2213 		} else if (os_strcmp(buf, "r1kh") == 0) {
   2214 			if (add_r1kh(bss, pos) < 0) {
   2215 				wpa_printf(MSG_DEBUG, "Line %d: Invalid "
   2216 					   "r1kh '%s'", line, pos);
   2217 				errors++;
   2218 				return errors;
   2219 			}
   2220 		} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
   2221 			bss->pmk_r1_push = atoi(pos);
   2222 		} else if (os_strcmp(buf, "ft_over_ds") == 0) {
   2223 			bss->ft_over_ds = atoi(pos);
   2224 #endif /* CONFIG_IEEE80211R */
   2225 #ifndef CONFIG_NO_CTRL_IFACE
   2226 		} else if (os_strcmp(buf, "ctrl_interface") == 0) {
   2227 			os_free(bss->ctrl_interface);
   2228 			bss->ctrl_interface = os_strdup(pos);
   2229 		} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
   2230 #ifndef CONFIG_NATIVE_WINDOWS
   2231 			struct group *grp;
   2232 			char *endp;
   2233 			const char *group = pos;
   2234 
   2235 			grp = getgrnam(group);
   2236 			if (grp) {
   2237 				bss->ctrl_interface_gid = grp->gr_gid;
   2238 				bss->ctrl_interface_gid_set = 1;
   2239 				wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
   2240 					   " (from group name '%s')",
   2241 					   bss->ctrl_interface_gid, group);
   2242 				return errors;
   2243 			}
   2244 
   2245 			/* Group name not found - try to parse this as gid */
   2246 			bss->ctrl_interface_gid = strtol(group, &endp, 10);
   2247 			if (*group == '\0' || *endp != '\0') {
   2248 				wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
   2249 					   "'%s'", line, group);
   2250 				errors++;
   2251 				return errors;
   2252 			}
   2253 			bss->ctrl_interface_gid_set = 1;
   2254 			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
   2255 				   bss->ctrl_interface_gid);
   2256 #endif /* CONFIG_NATIVE_WINDOWS */
   2257 #endif /* CONFIG_NO_CTRL_IFACE */
   2258 #ifdef RADIUS_SERVER
   2259 		} else if (os_strcmp(buf, "radius_server_clients") == 0) {
   2260 			os_free(bss->radius_server_clients);
   2261 			bss->radius_server_clients = os_strdup(pos);
   2262 		} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
   2263 			bss->radius_server_auth_port = atoi(pos);
   2264 		} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
   2265 			bss->radius_server_ipv6 = atoi(pos);
   2266 #endif /* RADIUS_SERVER */
   2267 		} else if (os_strcmp(buf, "test_socket") == 0) {
   2268 			os_free(bss->test_socket);
   2269 			bss->test_socket = os_strdup(pos);
   2270 		} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
   2271 			bss->use_pae_group_addr = atoi(pos);
   2272 		} else if (os_strcmp(buf, "hw_mode") == 0) {
   2273 			if (os_strcmp(pos, "a") == 0)
   2274 				conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
   2275 			else if (os_strcmp(pos, "b") == 0)
   2276 				conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
   2277 			else if (os_strcmp(pos, "g") == 0)
   2278 				conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
   2279 			else if (os_strcmp(pos, "ad") == 0)
   2280 				conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
   2281 			else {
   2282 				wpa_printf(MSG_ERROR, "Line %d: unknown "
   2283 					   "hw_mode '%s'", line, pos);
   2284 				errors++;
   2285 			}
   2286 		} else if (os_strcmp(buf, "wps_rf_bands") == 0) {
   2287 			if (os_strcmp(pos, "a") == 0)
   2288 				bss->wps_rf_bands = WPS_RF_50GHZ;
   2289 			else if (os_strcmp(pos, "g") == 0 ||
   2290 				 os_strcmp(pos, "b") == 0)
   2291 				bss->wps_rf_bands = WPS_RF_24GHZ;
   2292 			else if (os_strcmp(pos, "ag") == 0 ||
   2293 				 os_strcmp(pos, "ga") == 0)
   2294 				bss->wps_rf_bands =
   2295 					WPS_RF_24GHZ | WPS_RF_50GHZ;
   2296 			else {
   2297 				wpa_printf(MSG_ERROR, "Line %d: unknown "
   2298 					   "wps_rf_band '%s'", line, pos);
   2299 				errors++;
   2300 			}
   2301 		} else if (os_strcmp(buf, "channel") == 0) {
   2302 			conf->channel = atoi(pos);
   2303 		} else if (os_strcmp(buf, "beacon_int") == 0) {
   2304 			int val = atoi(pos);
   2305 			/* MIB defines range as 1..65535, but very small values
   2306 			 * cause problems with the current implementation.
   2307 			 * Since it is unlikely that this small numbers are
   2308 			 * useful in real life scenarios, do not allow beacon
   2309 			 * period to be set below 15 TU. */
   2310 			if (val < 15 || val > 65535) {
   2311 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2312 					   "beacon_int %d (expected "
   2313 					   "15..65535)", line, val);
   2314 				errors++;
   2315 			} else
   2316 				conf->beacon_int = val;
   2317 		} else if (os_strcmp(buf, "dtim_period") == 0) {
   2318 			bss->dtim_period = atoi(pos);
   2319 			if (bss->dtim_period < 1 || bss->dtim_period > 255) {
   2320 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2321 					   "dtim_period %d",
   2322 					   line, bss->dtim_period);
   2323 				errors++;
   2324 			}
   2325 		} else if (os_strcmp(buf, "rts_threshold") == 0) {
   2326 			conf->rts_threshold = atoi(pos);
   2327 			if (conf->rts_threshold < 0 ||
   2328 			    conf->rts_threshold > 2347) {
   2329 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2330 					   "rts_threshold %d",
   2331 					   line, conf->rts_threshold);
   2332 				errors++;
   2333 			}
   2334 		} else if (os_strcmp(buf, "fragm_threshold") == 0) {
   2335 			conf->fragm_threshold = atoi(pos);
   2336 			if (conf->fragm_threshold < 256 ||
   2337 			    conf->fragm_threshold > 2346) {
   2338 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2339 					   "fragm_threshold %d",
   2340 					   line, conf->fragm_threshold);
   2341 				errors++;
   2342 			}
   2343 		} else if (os_strcmp(buf, "send_probe_response") == 0) {
   2344 			int val = atoi(pos);
   2345 			if (val != 0 && val != 1) {
   2346 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2347 					   "send_probe_response %d (expected "
   2348 					   "0 or 1)", line, val);
   2349 			} else
   2350 				conf->send_probe_response = val;
   2351 		} else if (os_strcmp(buf, "supported_rates") == 0) {
   2352 			if (hostapd_parse_rates(&conf->supported_rates, pos)) {
   2353 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
   2354 					   "list", line);
   2355 				errors++;
   2356 			}
   2357 		} else if (os_strcmp(buf, "basic_rates") == 0) {
   2358 			if (hostapd_parse_rates(&conf->basic_rates, pos)) {
   2359 				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
   2360 					   "list", line);
   2361 				errors++;
   2362 			}
   2363 		} else if (os_strcmp(buf, "preamble") == 0) {
   2364 			if (atoi(pos))
   2365 				conf->preamble = SHORT_PREAMBLE;
   2366 			else
   2367 				conf->preamble = LONG_PREAMBLE;
   2368 		} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
   2369 			bss->ignore_broadcast_ssid = atoi(pos);
   2370 		} else if (os_strcmp(buf, "wep_default_key") == 0) {
   2371 			bss->ssid.wep.idx = atoi(pos);
   2372 			if (bss->ssid.wep.idx > 3) {
   2373 				wpa_printf(MSG_ERROR, "Invalid "
   2374 					   "wep_default_key index %d",
   2375 					   bss->ssid.wep.idx);
   2376 				errors++;
   2377 			}
   2378 		} else if (os_strcmp(buf, "wep_key0") == 0 ||
   2379 			   os_strcmp(buf, "wep_key1") == 0 ||
   2380 			   os_strcmp(buf, "wep_key2") == 0 ||
   2381 			   os_strcmp(buf, "wep_key3") == 0) {
   2382 			if (hostapd_config_read_wep(&bss->ssid.wep,
   2383 						    buf[7] - '0', pos)) {
   2384 				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
   2385 					   "key '%s'", line, buf);
   2386 				errors++;
   2387 			}
   2388 #ifndef CONFIG_NO_VLAN
   2389 		} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
   2390 			bss->ssid.dynamic_vlan = atoi(pos);
   2391 		} else if (os_strcmp(buf, "vlan_file") == 0) {
   2392 			if (hostapd_config_read_vlan_file(bss, pos)) {
   2393 				wpa_printf(MSG_ERROR, "Line %d: failed to "
   2394 					   "read VLAN file '%s'", line, pos);
   2395 				errors++;
   2396 			}
   2397 		} else if (os_strcmp(buf, "vlan_naming") == 0) {
   2398 			bss->ssid.vlan_naming = atoi(pos);
   2399 			if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
   2400 			    bss->ssid.vlan_naming < 0) {
   2401 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2402 					   "naming scheme %d", line,
   2403                                            bss->ssid.vlan_naming);
   2404 				errors++;
   2405                         }
   2406 #ifdef CONFIG_FULL_DYNAMIC_VLAN
   2407 		} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
   2408 			bss->ssid.vlan_tagged_interface = os_strdup(pos);
   2409 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
   2410 #endif /* CONFIG_NO_VLAN */
   2411 		} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
   2412 			conf->ap_table_max_size = atoi(pos);
   2413 		} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
   2414 			conf->ap_table_expiration_time = atoi(pos);
   2415 		} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
   2416 			if (hostapd_config_tx_queue(conf, buf, pos)) {
   2417 				wpa_printf(MSG_ERROR, "Line %d: invalid TX "
   2418 					   "queue item", line);
   2419 				errors++;
   2420 			}
   2421 		} else if (os_strcmp(buf, "wme_enabled") == 0 ||
   2422 			   os_strcmp(buf, "wmm_enabled") == 0) {
   2423 			bss->wmm_enabled = atoi(pos);
   2424 		} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
   2425 			bss->wmm_uapsd = atoi(pos);
   2426 		} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
   2427 			   os_strncmp(buf, "wmm_ac_", 7) == 0) {
   2428 			if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf,
   2429 						  pos)) {
   2430 				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
   2431 					   "ac item", line);
   2432 				errors++;
   2433 			}
   2434 		} else if (os_strcmp(buf, "bss") == 0) {
   2435 			if (hostapd_config_bss(conf, pos)) {
   2436 				wpa_printf(MSG_ERROR, "Line %d: invalid bss "
   2437 					   "item", line);
   2438 				errors++;
   2439 			}
   2440 		} else if (os_strcmp(buf, "bssid") == 0) {
   2441 			if (hwaddr_aton(pos, bss->bssid)) {
   2442 				wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
   2443 					   "item", line);
   2444 				errors++;
   2445 			}
   2446 #ifdef CONFIG_IEEE80211W
   2447 		} else if (os_strcmp(buf, "ieee80211w") == 0) {
   2448 			bss->ieee80211w = atoi(pos);
   2449 		} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
   2450 			bss->assoc_sa_query_max_timeout = atoi(pos);
   2451 			if (bss->assoc_sa_query_max_timeout == 0) {
   2452 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2453 					   "assoc_sa_query_max_timeout", line);
   2454 				errors++;
   2455 			}
   2456 		} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
   2457 		{
   2458 			bss->assoc_sa_query_retry_timeout = atoi(pos);
   2459 			if (bss->assoc_sa_query_retry_timeout == 0) {
   2460 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2461 					   "assoc_sa_query_retry_timeout",
   2462 					   line);
   2463 				errors++;
   2464 			}
   2465 #endif /* CONFIG_IEEE80211W */
   2466 #ifdef CONFIG_IEEE80211N
   2467 		} else if (os_strcmp(buf, "ieee80211n") == 0) {
   2468 			conf->ieee80211n = atoi(pos);
   2469 		} else if (os_strcmp(buf, "ht_capab") == 0) {
   2470 			if (hostapd_config_ht_capab(conf, pos) < 0) {
   2471 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2472 					   "ht_capab", line);
   2473 				errors++;
   2474 			}
   2475 		} else if (os_strcmp(buf, "require_ht") == 0) {
   2476 			conf->require_ht = atoi(pos);
   2477 #endif /* CONFIG_IEEE80211N */
   2478 #ifdef CONFIG_IEEE80211AC
   2479 		} else if (os_strcmp(buf, "ieee80211ac") == 0) {
   2480 			conf->ieee80211ac = atoi(pos);
   2481 		} else if (os_strcmp(buf, "vht_capab") == 0) {
   2482 			if (hostapd_config_vht_capab(conf, pos) < 0) {
   2483 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2484 					   "vht_capab", line);
   2485 				errors++;
   2486 			}
   2487 		} else if (os_strcmp(buf, "require_vht") == 0) {
   2488 			conf->require_vht = atoi(pos);
   2489 		} else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
   2490 			conf->vht_oper_chwidth = atoi(pos);
   2491 		} else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0)
   2492 		{
   2493 			conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
   2494 		} else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0)
   2495 		{
   2496 			conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
   2497 #endif /* CONFIG_IEEE80211AC */
   2498 		} else if (os_strcmp(buf, "max_listen_interval") == 0) {
   2499 			bss->max_listen_interval = atoi(pos);
   2500 		} else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
   2501 			bss->disable_pmksa_caching = atoi(pos);
   2502 		} else if (os_strcmp(buf, "okc") == 0) {
   2503 			bss->okc = atoi(pos);
   2504 #ifdef CONFIG_WPS
   2505 		} else if (os_strcmp(buf, "wps_state") == 0) {
   2506 			bss->wps_state = atoi(pos);
   2507 			if (bss->wps_state < 0 || bss->wps_state > 2) {
   2508 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2509 					   "wps_state", line);
   2510 				errors++;
   2511 			}
   2512 		} else if (os_strcmp(buf, "wps_independent") == 0) {
   2513 			bss->wps_independent = atoi(pos);
   2514 		} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
   2515 			bss->ap_setup_locked = atoi(pos);
   2516 		} else if (os_strcmp(buf, "uuid") == 0) {
   2517 			if (uuid_str2bin(pos, bss->uuid)) {
   2518 				wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
   2519 					   line);
   2520 				errors++;
   2521 			}
   2522 		} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
   2523 			os_free(bss->wps_pin_requests);
   2524 			bss->wps_pin_requests = os_strdup(pos);
   2525 		} else if (os_strcmp(buf, "device_name") == 0) {
   2526 			if (os_strlen(pos) > 32) {
   2527 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2528 					   "device_name", line);
   2529 				errors++;
   2530 			}
   2531 			os_free(bss->device_name);
   2532 			bss->device_name = os_strdup(pos);
   2533 		} else if (os_strcmp(buf, "manufacturer") == 0) {
   2534 			if (os_strlen(pos) > 64) {
   2535 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2536 					   "manufacturer", line);
   2537 				errors++;
   2538 			}
   2539 			os_free(bss->manufacturer);
   2540 			bss->manufacturer = os_strdup(pos);
   2541 		} else if (os_strcmp(buf, "model_name") == 0) {
   2542 			if (os_strlen(pos) > 32) {
   2543 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2544 					   "model_name", line);
   2545 				errors++;
   2546 			}
   2547 			os_free(bss->model_name);
   2548 			bss->model_name = os_strdup(pos);
   2549 		} else if (os_strcmp(buf, "model_number") == 0) {
   2550 			if (os_strlen(pos) > 32) {
   2551 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2552 					   "model_number", line);
   2553 				errors++;
   2554 			}
   2555 			os_free(bss->model_number);
   2556 			bss->model_number = os_strdup(pos);
   2557 		} else if (os_strcmp(buf, "serial_number") == 0) {
   2558 			if (os_strlen(pos) > 32) {
   2559 				wpa_printf(MSG_ERROR, "Line %d: Too long "
   2560 					   "serial_number", line);
   2561 				errors++;
   2562 			}
   2563 			os_free(bss->serial_number);
   2564 			bss->serial_number = os_strdup(pos);
   2565 		} else if (os_strcmp(buf, "device_type") == 0) {
   2566 			if (wps_dev_type_str2bin(pos, bss->device_type))
   2567 				errors++;
   2568 		} else if (os_strcmp(buf, "config_methods") == 0) {
   2569 			os_free(bss->config_methods);
   2570 			bss->config_methods = os_strdup(pos);
   2571 		} else if (os_strcmp(buf, "os_version") == 0) {
   2572 			if (hexstr2bin(pos, bss->os_version, 4)) {
   2573 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2574 					   "os_version", line);
   2575 				errors++;
   2576 			}
   2577 		} else if (os_strcmp(buf, "ap_pin") == 0) {
   2578 			os_free(bss->ap_pin);
   2579 			bss->ap_pin = os_strdup(pos);
   2580 		} else if (os_strcmp(buf, "skip_cred_build") == 0) {
   2581 			bss->skip_cred_build = atoi(pos);
   2582 		} else if (os_strcmp(buf, "extra_cred") == 0) {
   2583 			os_free(bss->extra_cred);
   2584 			bss->extra_cred =
   2585 				(u8 *) os_readfile(pos, &bss->extra_cred_len);
   2586 			if (bss->extra_cred == NULL) {
   2587 				wpa_printf(MSG_ERROR, "Line %d: could not "
   2588 					   "read Credentials from '%s'",
   2589 					   line, pos);
   2590 				errors++;
   2591 			}
   2592 		} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
   2593 			bss->wps_cred_processing = atoi(pos);
   2594 		} else if (os_strcmp(buf, "ap_settings") == 0) {
   2595 			os_free(bss->ap_settings);
   2596 			bss->ap_settings =
   2597 				(u8 *) os_readfile(pos, &bss->ap_settings_len);
   2598 			if (bss->ap_settings == NULL) {
   2599 				wpa_printf(MSG_ERROR, "Line %d: could not "
   2600 					   "read AP Settings from '%s'",
   2601 					   line, pos);
   2602 				errors++;
   2603 			}
   2604 		} else if (os_strcmp(buf, "upnp_iface") == 0) {
   2605 			bss->upnp_iface = os_strdup(pos);
   2606 		} else if (os_strcmp(buf, "friendly_name") == 0) {
   2607 			os_free(bss->friendly_name);
   2608 			bss->friendly_name = os_strdup(pos);
   2609 		} else if (os_strcmp(buf, "manufacturer_url") == 0) {
   2610 			os_free(bss->manufacturer_url);
   2611 			bss->manufacturer_url = os_strdup(pos);
   2612 		} else if (os_strcmp(buf, "model_description") == 0) {
   2613 			os_free(bss->model_description);
   2614 			bss->model_description = os_strdup(pos);
   2615 		} else if (os_strcmp(buf, "model_url") == 0) {
   2616 			os_free(bss->model_url);
   2617 			bss->model_url = os_strdup(pos);
   2618 		} else if (os_strcmp(buf, "upc") == 0) {
   2619 			os_free(bss->upc);
   2620 			bss->upc = os_strdup(pos);
   2621 		} else if (os_strcmp(buf, "pbc_in_m1") == 0) {
   2622 			bss->pbc_in_m1 = atoi(pos);
   2623 #ifdef CONFIG_WPS_NFC
   2624 		} else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
   2625 			bss->wps_nfc_dev_pw_id = atoi(pos);
   2626 			if (bss->wps_nfc_dev_pw_id < 0x10 ||
   2627 			    bss->wps_nfc_dev_pw_id > 0xffff) {
   2628 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2629 					   "wps_nfc_dev_pw_id value", line);
   2630 				errors++;
   2631 			}
   2632 			bss->wps_nfc_pw_from_config = 1;
   2633 		} else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
   2634 			wpabuf_free(bss->wps_nfc_dh_pubkey);
   2635 			bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
   2636 			bss->wps_nfc_pw_from_config = 1;
   2637 		} else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
   2638 			wpabuf_free(bss->wps_nfc_dh_privkey);
   2639 			bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
   2640 			bss->wps_nfc_pw_from_config = 1;
   2641 		} else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
   2642 			wpabuf_free(bss->wps_nfc_dev_pw);
   2643 			bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
   2644 			bss->wps_nfc_pw_from_config = 1;
   2645 #endif /* CONFIG_WPS_NFC */
   2646 #endif /* CONFIG_WPS */
   2647 #ifdef CONFIG_P2P_MANAGER
   2648 		} else if (os_strcmp(buf, "manage_p2p") == 0) {
   2649 			int manage = atoi(pos);
   2650 			if (manage)
   2651 				bss->p2p |= P2P_MANAGE;
   2652 			else
   2653 				bss->p2p &= ~P2P_MANAGE;
   2654 		} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
   2655 			if (atoi(pos))
   2656 				bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
   2657 			else
   2658 				bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
   2659 #endif /* CONFIG_P2P_MANAGER */
   2660 		} else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
   2661 			bss->disassoc_low_ack = atoi(pos);
   2662 		} else if (os_strcmp(buf, "tdls_prohibit") == 0) {
   2663 			int val = atoi(pos);
   2664 			if (val)
   2665 				bss->tdls |= TDLS_PROHIBIT;
   2666 			else
   2667 				bss->tdls &= ~TDLS_PROHIBIT;
   2668 		} else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
   2669 			int val = atoi(pos);
   2670 			if (val)
   2671 				bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
   2672 			else
   2673 				bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
   2674 #ifdef CONFIG_RSN_TESTING
   2675 		} else if (os_strcmp(buf, "rsn_testing") == 0) {
   2676 			extern int rsn_testing;
   2677 			rsn_testing = atoi(pos);
   2678 #endif /* CONFIG_RSN_TESTING */
   2679 		} else if (os_strcmp(buf, "time_advertisement") == 0) {
   2680 			bss->time_advertisement = atoi(pos);
   2681 		} else if (os_strcmp(buf, "time_zone") == 0) {
   2682 			size_t tz_len = os_strlen(pos);
   2683 			if (tz_len < 4 || tz_len > 255) {
   2684 				wpa_printf(MSG_DEBUG, "Line %d: invalid "
   2685 					   "time_zone", line);
   2686 				errors++;
   2687 				return errors;
   2688 			}
   2689 			os_free(bss->time_zone);
   2690 			bss->time_zone = os_strdup(pos);
   2691 			if (bss->time_zone == NULL)
   2692 				errors++;
   2693 #ifdef CONFIG_WNM
   2694 		} else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
   2695 			bss->wnm_sleep_mode = atoi(pos);
   2696 		} else if (os_strcmp(buf, "bss_transition") == 0) {
   2697 			bss->bss_transition = atoi(pos);
   2698 #endif /* CONFIG_WNM */
   2699 #ifdef CONFIG_INTERWORKING
   2700 		} else if (os_strcmp(buf, "interworking") == 0) {
   2701 			bss->interworking = atoi(pos);
   2702 		} else if (os_strcmp(buf, "access_network_type") == 0) {
   2703 			bss->access_network_type = atoi(pos);
   2704 			if (bss->access_network_type < 0 ||
   2705 			    bss->access_network_type > 15) {
   2706 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2707 					   "access_network_type", line);
   2708 				errors++;
   2709 			}
   2710 		} else if (os_strcmp(buf, "internet") == 0) {
   2711 			bss->internet = atoi(pos);
   2712 		} else if (os_strcmp(buf, "asra") == 0) {
   2713 			bss->asra = atoi(pos);
   2714 		} else if (os_strcmp(buf, "esr") == 0) {
   2715 			bss->esr = atoi(pos);
   2716 		} else if (os_strcmp(buf, "uesa") == 0) {
   2717 			bss->uesa = atoi(pos);
   2718 		} else if (os_strcmp(buf, "venue_group") == 0) {
   2719 			bss->venue_group = atoi(pos);
   2720 			bss->venue_info_set = 1;
   2721 		} else if (os_strcmp(buf, "venue_type") == 0) {
   2722 			bss->venue_type = atoi(pos);
   2723 			bss->venue_info_set = 1;
   2724 		} else if (os_strcmp(buf, "hessid") == 0) {
   2725 			if (hwaddr_aton(pos, bss->hessid)) {
   2726 				wpa_printf(MSG_ERROR, "Line %d: invalid "
   2727 					   "hessid", line);
   2728 				errors++;
   2729 			}
   2730 		} else if (os_strcmp(buf, "roaming_consortium") == 0) {
   2731 			if (parse_roaming_consortium(bss, pos, line) < 0)
   2732 				errors++;
   2733 		} else if (os_strcmp(buf, "venue_name") == 0) {
   2734 			if (parse_venue_name(bss, pos, line) < 0)
   2735 				errors++;
   2736 		} else if (os_strcmp(buf, "network_auth_type") == 0) {
   2737 			u8 auth_type;
   2738 			u16 redirect_url_len;
   2739 			if (hexstr2bin(pos, &auth_type, 1)) {
   2740 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2741 					   "network_auth_type '%s'",
   2742 					   line, pos);
   2743 				errors++;
   2744 				return errors;
   2745 			}
   2746 			if (auth_type == 0 || auth_type == 2)
   2747 				redirect_url_len = os_strlen(pos + 2);
   2748 			else
   2749 				redirect_url_len = 0;
   2750 			os_free(bss->network_auth_type);
   2751 			bss->network_auth_type =
   2752 				os_malloc(redirect_url_len + 3 + 1);
   2753 			if (bss->network_auth_type == NULL) {
   2754 				errors++;
   2755 				return errors;
   2756 			}
   2757 			*bss->network_auth_type = auth_type;
   2758 			WPA_PUT_LE16(bss->network_auth_type + 1,
   2759 				     redirect_url_len);
   2760 			if (redirect_url_len)
   2761 				os_memcpy(bss->network_auth_type + 3,
   2762 					  pos + 2, redirect_url_len);
   2763 			bss->network_auth_type_len = 3 + redirect_url_len;
   2764 		} else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
   2765 			if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1))
   2766 			{
   2767 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2768 					   "ipaddr_type_availability '%s'",
   2769 					   line, pos);
   2770 				bss->ipaddr_type_configured = 0;
   2771 				errors++;
   2772 				return errors;
   2773 			}
   2774 			bss->ipaddr_type_configured = 1;
   2775 		} else if (os_strcmp(buf, "domain_name") == 0) {
   2776 			int j, num_domains, domain_len, domain_list_len = 0;
   2777 			char *tok_start, *tok_prev;
   2778 			u8 *domain_list, *domain_ptr;
   2779 
   2780 			domain_list_len = os_strlen(pos) + 1;
   2781 			domain_list = os_malloc(domain_list_len);
   2782 			if (domain_list == NULL) {
   2783 				errors++;
   2784 				return errors;
   2785 			}
   2786 
   2787 			domain_ptr = domain_list;
   2788 			tok_prev = pos;
   2789 			num_domains = 1;
   2790 			while ((tok_prev = os_strchr(tok_prev, ','))) {
   2791 				num_domains++;
   2792 				tok_prev++;
   2793 			}
   2794 			tok_prev = pos;
   2795 			for (j = 0; j < num_domains; j++) {
   2796 				tok_start = os_strchr(tok_prev, ',');
   2797 				if (tok_start) {
   2798 					domain_len = tok_start - tok_prev;
   2799 					*domain_ptr = domain_len;
   2800 					os_memcpy(domain_ptr + 1, tok_prev,
   2801 						  domain_len);
   2802 					domain_ptr += domain_len + 1;
   2803 					tok_prev = ++tok_start;
   2804 				} else {
   2805 					domain_len = os_strlen(tok_prev);
   2806 					*domain_ptr = domain_len;
   2807 					os_memcpy(domain_ptr + 1, tok_prev,
   2808 						  domain_len);
   2809 					domain_ptr += domain_len + 1;
   2810 				}
   2811 			}
   2812 
   2813 			os_free(bss->domain_name);
   2814 			bss->domain_name = domain_list;
   2815 			bss->domain_name_len = domain_list_len;
   2816 		} else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
   2817 			if (parse_3gpp_cell_net(bss, pos, line) < 0)
   2818 				errors++;
   2819 		} else if (os_strcmp(buf, "nai_realm") == 0) {
   2820 			if (parse_nai_realm(bss, pos, line) < 0)
   2821 				errors++;
   2822 		} else if (os_strcmp(buf, "gas_frag_limit") == 0) {
   2823 			bss->gas_frag_limit = atoi(pos);
   2824 		} else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
   2825 			bss->gas_comeback_delay = atoi(pos);
   2826 #endif /* CONFIG_INTERWORKING */
   2827 #ifdef CONFIG_RADIUS_TEST
   2828 		} else if (os_strcmp(buf, "dump_msk_file") == 0) {
   2829 			os_free(bss->dump_msk_file);
   2830 			bss->dump_msk_file = os_strdup(pos);
   2831 #endif /* CONFIG_RADIUS_TEST */
   2832 #ifdef CONFIG_HS20
   2833 		} else if (os_strcmp(buf, "hs20") == 0) {
   2834 			bss->hs20 = atoi(pos);
   2835 		} else if (os_strcmp(buf, "disable_dgaf") == 0) {
   2836 			bss->disable_dgaf = atoi(pos);
   2837 		} else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
   2838 			if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
   2839 				errors++;
   2840 		} else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
   2841 			if (hs20_parse_wan_metrics(bss, pos, line) < 0) {
   2842 				errors++;
   2843 				return errors;
   2844 			}
   2845 		} else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
   2846 			if (hs20_parse_conn_capab(bss, pos, line) < 0) {
   2847 				errors++;
   2848 				return errors;
   2849 			}
   2850 		} else if (os_strcmp(buf, "hs20_operating_class") == 0) {
   2851 			u8 *oper_class;
   2852 			size_t oper_class_len;
   2853 			oper_class_len = os_strlen(pos);
   2854 			if (oper_class_len < 2 || (oper_class_len & 0x01)) {
   2855 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2856 					   "hs20_operating_class '%s'",
   2857 					   line, pos);
   2858 				errors++;
   2859 				return errors;
   2860 			}
   2861 			oper_class_len /= 2;
   2862 			oper_class = os_malloc(oper_class_len);
   2863 			if (oper_class == NULL) {
   2864 				errors++;
   2865 				return errors;
   2866 			}
   2867 			if (hexstr2bin(pos, oper_class, oper_class_len)) {
   2868 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2869 					   "hs20_operating_class '%s'",
   2870 					   line, pos);
   2871 				os_free(oper_class);
   2872 				errors++;
   2873 				return errors;
   2874 			}
   2875 			os_free(bss->hs20_operating_class);
   2876 			bss->hs20_operating_class = oper_class;
   2877 			bss->hs20_operating_class_len = oper_class_len;
   2878 #endif /* CONFIG_HS20 */
   2879 		} else if (os_strcmp(buf, "vendor_elements") == 0) {
   2880 			struct wpabuf *elems;
   2881 			size_t len = os_strlen(pos);
   2882 			if (len & 0x01) {
   2883 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2884 					   "vendor_elements '%s'", line, pos);
   2885 				return 1;
   2886 			}
   2887 			len /= 2;
   2888 			if (len == 0) {
   2889 				wpabuf_free(bss->vendor_elements);
   2890 				bss->vendor_elements = NULL;
   2891 				return 0;
   2892 			}
   2893 
   2894 			elems = wpabuf_alloc(len);
   2895 			if (elems == NULL)
   2896 				return 1;
   2897 
   2898 			if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
   2899 				wpabuf_free(elems);
   2900 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2901 					   "vendor_elements '%s'", line, pos);
   2902 				return 1;
   2903 			}
   2904 
   2905 			wpabuf_free(bss->vendor_elements);
   2906 			bss->vendor_elements = elems;
   2907 		} else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
   2908 			bss->sae_anti_clogging_threshold = atoi(pos);
   2909 		} else if (os_strcmp(buf, "sae_groups") == 0) {
   2910 			if (hostapd_parse_rates(&bss->sae_groups, pos)) {
   2911 				wpa_printf(MSG_ERROR, "Line %d: Invalid "
   2912 					   "sae_groups value '%s'", line, pos);
   2913 				return 1;
   2914 			}
   2915 		} else {
   2916 			wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
   2917 				   "item '%s'", line, buf);
   2918 			errors++;
   2919 		}
   2920 	}
   2921 
   2922 	return errors;
   2923 }
   2924 
   2925 
   2926 static void hostapd_set_security_params(struct hostapd_bss_config *bss)
   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 	if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
   2935 		bss->rsn_pairwise = bss->wpa_pairwise;
   2936 	bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
   2937 						    bss->rsn_pairwise);
   2938 
   2939 	bss->radius->auth_server = bss->radius->auth_servers;
   2940 	bss->radius->acct_server = bss->radius->acct_servers;
   2941 
   2942 	if (bss->wpa && bss->ieee802_1x) {
   2943 		bss->ssid.security_policy = SECURITY_WPA;
   2944 	} else if (bss->wpa) {
   2945 		bss->ssid.security_policy = SECURITY_WPA_PSK;
   2946 	} else if (bss->ieee802_1x) {
   2947 		int cipher = WPA_CIPHER_NONE;
   2948 		bss->ssid.security_policy = SECURITY_IEEE_802_1X;
   2949 		bss->ssid.wep.default_len = bss->default_wep_key_len;
   2950 		if (bss->default_wep_key_len)
   2951 			cipher = bss->default_wep_key_len >= 13 ?
   2952 				WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
   2953 		bss->wpa_group = cipher;
   2954 		bss->wpa_pairwise = cipher;
   2955 		bss->rsn_pairwise = cipher;
   2956 	} else if (bss->ssid.wep.keys_set) {
   2957 		int cipher = WPA_CIPHER_WEP40;
   2958 		if (bss->ssid.wep.len[0] >= 13)
   2959 			cipher = WPA_CIPHER_WEP104;
   2960 		bss->ssid.security_policy = SECURITY_STATIC_WEP;
   2961 		bss->wpa_group = cipher;
   2962 		bss->wpa_pairwise = cipher;
   2963 		bss->rsn_pairwise = cipher;
   2964 	} else {
   2965 		bss->ssid.security_policy = SECURITY_PLAINTEXT;
   2966 		bss->wpa_group = WPA_CIPHER_NONE;
   2967 		bss->wpa_pairwise = WPA_CIPHER_NONE;
   2968 		bss->rsn_pairwise = WPA_CIPHER_NONE;
   2969 	}
   2970 }
   2971 
   2972 
   2973 /**
   2974  * hostapd_config_read - Read and parse a configuration file
   2975  * @fname: Configuration file name (including path, if needed)
   2976  * Returns: Allocated configuration data structure
   2977  */
   2978 struct hostapd_config * hostapd_config_read(const char *fname)
   2979 {
   2980 	struct hostapd_config *conf;
   2981 	struct hostapd_bss_config *bss;
   2982 	FILE *f;
   2983 	char buf[512], *pos;
   2984 	int line = 0;
   2985 	int errors = 0;
   2986 	size_t i;
   2987 
   2988 	f = fopen(fname, "r");
   2989 	if (f == NULL) {
   2990 		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
   2991 			   "for reading.", fname);
   2992 		return NULL;
   2993 	}
   2994 
   2995 	conf = hostapd_config_defaults();
   2996 	if (conf == NULL) {
   2997 		fclose(f);
   2998 		return NULL;
   2999 	}
   3000 
   3001 	/* set default driver based on configuration */
   3002 	conf->driver = wpa_drivers[0];
   3003 	if (conf->driver == NULL) {
   3004 		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
   3005 		hostapd_config_free(conf);
   3006 		fclose(f);
   3007 		return NULL;
   3008 	}
   3009 
   3010 	bss = conf->last_bss = conf->bss;
   3011 
   3012 	while (fgets(buf, sizeof(buf), f)) {
   3013 		bss = conf->last_bss;
   3014 		line++;
   3015 
   3016 		if (buf[0] == '#')
   3017 			continue;
   3018 		pos = buf;
   3019 		while (*pos != '\0') {
   3020 			if (*pos == '\n') {
   3021 				*pos = '\0';
   3022 				break;
   3023 			}
   3024 			pos++;
   3025 		}
   3026 		if (buf[0] == '\0')
   3027 			continue;
   3028 
   3029 		pos = os_strchr(buf, '=');
   3030 		if (pos == NULL) {
   3031 			wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
   3032 				   line, buf);
   3033 			errors++;
   3034 			continue;
   3035 		}
   3036 		*pos = '\0';
   3037 		pos++;
   3038 		errors += hostapd_config_fill(conf, bss, buf, pos, line);
   3039 	}
   3040 
   3041 	fclose(f);
   3042 
   3043 	for (i = 0; i < conf->num_bss; i++)
   3044 		hostapd_set_security_params(&conf->bss[i]);
   3045 
   3046 	if (hostapd_config_check(conf))
   3047 		errors++;
   3048 
   3049 #ifndef WPA_IGNORE_CONFIG_ERRORS
   3050 	if (errors) {
   3051 		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
   3052 			   "'%s'", errors, fname);
   3053 		hostapd_config_free(conf);
   3054 		conf = NULL;
   3055 	}
   3056 #endif /* WPA_IGNORE_CONFIG_ERRORS */
   3057 
   3058 	return conf;
   3059 }
   3060 
   3061 
   3062 int hostapd_set_iface(struct hostapd_config *conf,
   3063 		      struct hostapd_bss_config *bss, char *field, char *value)
   3064 {
   3065 	int errors;
   3066 	size_t i;
   3067 
   3068 	errors = hostapd_config_fill(conf, bss, field, value, 0);
   3069 	if (errors) {
   3070 		wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
   3071 			   "to value '%s'", field, value);
   3072 		return -1;
   3073 	}
   3074 
   3075 	for (i = 0; i < conf->num_bss; i++)
   3076 		hostapd_set_security_params(&conf->bss[i]);
   3077 
   3078 	if (hostapd_config_check(conf)) {
   3079 		wpa_printf(MSG_ERROR, "Configuration check failed");
   3080 		return -1;
   3081 	}
   3082 
   3083 	return 0;
   3084 }
   3085