hostapd/config_file.c

/*
 * hostapd / Configuration file parser
 * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include "utils/includes.h"
#ifndef CONFIG_NATIVE_WINDOWS
#include <grp.h>
#endif /* CONFIG_NATIVE_WINDOWS */

#include "utils/common.h"
#include "utils/uuid.h"
#include "common/ieee802_11_defs.h"
#include "drivers/driver.h"
#include "eap_server/eap.h"
#include "radius/radius_client.h"
#include "ap/wpa_auth.h"
#include "ap/ap_config.h"
#include "config_file.h"


#ifndef CONFIG_NO_RADIUS
#ifdef EAP_SERVER
static struct hostapd_radius_attr *
hostapd_parse_radius_attr(const char *value);
#endif /* EAP_SERVER */
#endif /* CONFIG_NO_RADIUS */


#ifndef CONFIG_NO_VLAN
static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
					 const char *fname)
{
	FILE *f;
	char buf[128], *pos, *pos2;
	int line = 0, vlan_id;
	struct hostapd_vlan *vlan;

	f = fopen(fname, "r");
	if (!f) {
		wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
		return -1;
	}

	while (fgets(buf, sizeof(buf), f)) {
		line++;

		if (buf[0] == '#')
			continue;
		pos = buf;
		while (*pos != '\0') {
			if (*pos == '\n') {
				*pos = '\0';
				break;
			}
			pos++;
		}
		if (buf[0] == '\0')
			continue;

		if (buf[0] == '*') {
			vlan_id = VLAN_ID_WILDCARD;
			pos = buf + 1;
		} else {
			vlan_id = strtol(buf, &pos, 10);
			if (buf == pos || vlan_id < 1 ||
			    vlan_id > MAX_VLAN_ID) {
				wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
					   "line %d in '%s'", line, fname);
				fclose(f);
				return -1;
			}
		}

		while (*pos == ' ' || *pos == '\t')
			pos++;
		pos2 = pos;
		while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
			pos2++;
		*pos2 = '\0';
		if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
			wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
				   "in '%s'", line, fname);
			fclose(f);
			return -1;
		}

		vlan = os_zalloc(sizeof(*vlan));
		if (vlan == NULL) {
			wpa_printf(MSG_ERROR, "Out of memory while reading "
				   "VLAN interfaces from '%s'", fname);
			fclose(f);
			return -1;
		}

		vlan->vlan_id = vlan_id;
		os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
		vlan->next = bss->vlan;
		bss->vlan = vlan;
	}

	fclose(f);

	return 0;
}
#endif /* CONFIG_NO_VLAN */


static int hostapd_acl_comp(const void *a, const void *b)
{
	const struct mac_acl_entry *aa = a;
	const struct mac_acl_entry *bb = b;
	return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
}


static int hostapd_config_read_maclist(const char *fname,
				       struct mac_acl_entry **acl, int *num)
{
	FILE *f;
	char buf[128], *pos;
	int line = 0;
	u8 addr[ETH_ALEN];
	struct mac_acl_entry *newacl;
	int vlan_id;

	if (!fname)
		return 0;

	f = fopen(fname, "r");
	if (!f) {
		wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
		return -1;
	}

	while (fgets(buf, sizeof(buf), f)) {
		int i, rem = 0;

		line++;

		if (buf[0] == '#')
			continue;
		pos = buf;
		while (*pos != '\0') {
			if (*pos == '\n') {
				*pos = '\0';
				break;
			}
			pos++;
		}
		if (buf[0] == '\0')
			continue;
		pos = buf;
		if (buf[0] == '-') {
			rem = 1;
			pos++;
		}

		if (hwaddr_aton(pos, addr)) {
			wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
				   "line %d in '%s'", pos, line, fname);
			fclose(f);
			return -1;
		}

		if (rem) {
			i = 0;
			while (i < *num) {
				if (os_memcmp((*acl)[i].addr, addr, ETH_ALEN) ==
				    0) {
					os_remove_in_array(*acl, *num,
							   sizeof(**acl), i);
					(*num)--;
				} else
					i++;
			}
			continue;
		}
		vlan_id = 0;
		pos = buf;
		while (*pos != '\0' && *pos != ' ' && *pos != '\t')
			pos++;
		while (*pos == ' ' || *pos == '\t')
			pos++;
		if (*pos != '\0')
			vlan_id = atoi(pos);

		newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
		if (newacl == NULL) {
			wpa_printf(MSG_ERROR, "MAC list reallocation failed");
			fclose(f);
			return -1;
		}

		*acl = newacl;
		os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
		(*acl)[*num].vlan_id = vlan_id;
		(*num)++;
	}

	fclose(f);

	qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);

	return 0;
}


#ifdef EAP_SERVER
static int hostapd_config_read_eap_user(const char *fname,
					struct hostapd_bss_config *conf)
{
	FILE *f;
	char buf[512], *pos, *start, *pos2;
	int line = 0, ret = 0, num_methods;
	struct hostapd_eap_user *user = NULL, *tail = NULL, *new_user = NULL;

	if (!fname)
		return 0;

	if (os_strncmp(fname, "sqlite:", 7) == 0) {
#ifdef CONFIG_SQLITE
		os_free(conf->eap_user_sqlite);
		conf->eap_user_sqlite = os_strdup(fname + 7);
		return 0;
#else /* CONFIG_SQLITE */
		wpa_printf(MSG_ERROR,
			   "EAP user file in SQLite DB, but CONFIG_SQLITE was not enabled in the build.");
		return -1;
#endif /* CONFIG_SQLITE */
	}

	f = fopen(fname, "r");
	if (!f) {
		wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
		return -1;
	}

	/* Lines: "user" METHOD,METHOD2 "password" (password optional) */
	while (fgets(buf, sizeof(buf), f)) {
		line++;

		if (buf[0] == '#')
			continue;
		pos = buf;
		while (*pos != '\0') {
			if (*pos == '\n') {
				*pos = '\0';
				break;
			}
			pos++;
		}
		if (buf[0] == '\0')
			continue;

#ifndef CONFIG_NO_RADIUS
		if (user && os_strncmp(buf, "radius_accept_attr=", 19) == 0) {
			struct hostapd_radius_attr *attr, *a;
			attr = hostapd_parse_radius_attr(buf + 19);
			if (attr == NULL) {
				wpa_printf(MSG_ERROR, "Invalid radius_auth_req_attr: %s",
					   buf + 19);
				user = NULL; /* already in the BSS list */
				goto failed;
			}
			if (user->accept_attr == NULL) {
				user->accept_attr = attr;
			} else {
				a = user->accept_attr;
				while (a->next)
					a = a->next;
				a->next = attr;
			}
			continue;
		}
#endif /* CONFIG_NO_RADIUS */

		user = NULL;

		if (buf[0] != '"' && buf[0] != '*') {
			wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
				   "start) on line %d in '%s'", line, fname);
			goto failed;
		}

		user = os_zalloc(sizeof(*user));
		if (user == NULL) {
			wpa_printf(MSG_ERROR, "EAP user allocation failed");
			goto failed;
		}
		user->force_version = -1;

		if (buf[0] == '*') {
			pos = buf;
		} else {
			pos = buf + 1;
			start = pos;
			while (*pos != '"' && *pos != '\0')
				pos++;
			if (*pos == '\0') {
				wpa_printf(MSG_ERROR, "Invalid EAP identity "
					   "(no \" in end) on line %d in '%s'",
					   line, fname);
				goto failed;
			}

			user->identity = os_malloc(pos - start);
			if (user->identity == NULL) {
				wpa_printf(MSG_ERROR, "Failed to allocate "
					   "memory for EAP identity");
				goto failed;
			}
			os_memcpy(user->identity, start, pos - start);
			user->identity_len = pos - start;

			if (pos[0] == '"' && pos[1] == '*') {
				user->wildcard_prefix = 1;
				pos++;
			}
		}
		pos++;
		while (*pos == ' ' || *pos == '\t')
			pos++;

		if (*pos == '\0') {
			wpa_printf(MSG_ERROR, "No EAP method on line %d in "
				   "'%s'", line, fname);
			goto failed;
		}

		start = pos;
		while (*pos != ' ' && *pos != '\t' && *pos != '\0')
			pos++;
		if (*pos == '\0') {
			pos = NULL;
		} else {
			*pos = '\0';
			pos++;
		}
		num_methods = 0;
		while (*start) {
			char *pos3 = os_strchr(start, ',');
			if (pos3) {
				*pos3++ = '\0';
			}
			user->methods[num_methods].method =
				eap_server_get_type(
					start,
					&user->methods[num_methods].vendor);
			if (user->methods[num_methods].vendor ==
			    EAP_VENDOR_IETF &&
			    user->methods[num_methods].method == EAP_TYPE_NONE)
			{
				if (os_strcmp(start, "TTLS-PAP") == 0) {
					user->ttls_auth |= EAP_TTLS_AUTH_PAP;
					goto skip_eap;
				}
				if (os_strcmp(start, "TTLS-CHAP") == 0) {
					user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
					goto skip_eap;
				}
				if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
					user->ttls_auth |=
						EAP_TTLS_AUTH_MSCHAP;
					goto skip_eap;
				}
				if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
					user->ttls_auth |=
						EAP_TTLS_AUTH_MSCHAPV2;
					goto skip_eap;
				}
				if (os_strcmp(start, "MACACL") == 0) {
					user->macacl = 1;
					goto skip_eap;
				}
				wpa_printf(MSG_ERROR, "Unsupported EAP type "
					   "'%s' on line %d in '%s'",
					   start, line, fname);
				goto failed;
			}

			num_methods++;
			if (num_methods >= EAP_MAX_METHODS)
				break;
		skip_eap:
			if (pos3 == NULL)
				break;
			start = pos3;
		}
		if (num_methods == 0 && user->ttls_auth == 0 && !user->macacl) {
			wpa_printf(MSG_ERROR, "No EAP types configured on "
				   "line %d in '%s'", line, fname);
			goto failed;
		}

		if (pos == NULL)
			goto done;

		while (*pos == ' ' || *pos == '\t')
			pos++;
		if (*pos == '\0')
			goto done;

		if (os_strncmp(pos, "[ver=0]", 7) == 0) {
			user->force_version = 0;
			goto done;
		}

		if (os_strncmp(pos, "[ver=1]", 7) == 0) {
			user->force_version = 1;
			goto done;
		}

		if (os_strncmp(pos, "[2]", 3) == 0) {
			user->phase2 = 1;
			goto done;
		}

		if (*pos == '"') {
			pos++;
			start = pos;
			while (*pos != '"' && *pos != '\0')
				pos++;
			if (*pos == '\0') {
				wpa_printf(MSG_ERROR, "Invalid EAP password "
					   "(no \" in end) on line %d in '%s'",
					   line, fname);
				goto failed;
			}

			user->password = os_malloc(pos - start);
			if (user->password == NULL) {
				wpa_printf(MSG_ERROR, "Failed to allocate "
					   "memory for EAP password");
				goto failed;
			}
			os_memcpy(user->password, start, pos - start);
			user->password_len = pos - start;

			pos++;
		} else if (os_strncmp(pos, "hash:", 5) == 0) {
			pos += 5;
			pos2 = pos;
			while (*pos2 != '\0' && *pos2 != ' ' &&
			       *pos2 != '\t' && *pos2 != '#')
				pos2++;
			if (pos2 - pos != 32) {
				wpa_printf(MSG_ERROR, "Invalid password hash "
					   "on line %d in '%s'", line, fname);
				goto failed;
			}
			user->password = os_malloc(16);
			if (user->password == NULL) {
				wpa_printf(MSG_ERROR, "Failed to allocate "
					   "memory for EAP password hash");
				goto failed;
			}
			if (hexstr2bin(pos, user->password, 16) < 0) {
				wpa_printf(MSG_ERROR, "Invalid hash password "
					   "on line %d in '%s'", line, fname);
				goto failed;
			}
			user->password_len = 16;
			user->password_hash = 1;
			pos = pos2;
		} else {
			pos2 = pos;
			while (*pos2 != '\0' && *pos2 != ' ' &&
			       *pos2 != '\t' && *pos2 != '#')
				pos2++;
			if ((pos2 - pos) & 1) {
				wpa_printf(MSG_ERROR, "Invalid hex password "
					   "on line %d in '%s'", line, fname);
				goto failed;
			}
			user->password = os_malloc((pos2 - pos) / 2);
			if (user->password == NULL) {
				wpa_printf(MSG_ERROR, "Failed to allocate "
					   "memory for EAP password");
				goto failed;
			}
			if (hexstr2bin(pos, user->password,
				       (pos2 - pos) / 2) < 0) {
				wpa_printf(MSG_ERROR, "Invalid hex password "
					   "on line %d in '%s'", line, fname);
				goto failed;
			}
			user->password_len = (pos2 - pos) / 2;
			pos = pos2;
		}

		while (*pos == ' ' || *pos == '\t')
			pos++;
		if (os_strncmp(pos, "[2]", 3) == 0) {
			user->phase2 = 1;
		}

	done:
		if (tail == NULL) {
			tail = new_user = user;
		} else {
			tail->next = user;
			tail = user;
		}
		continue;

	failed:
		if (user)
			hostapd_config_free_eap_user(user);
		ret = -1;
		break;
	}

	fclose(f);

	if (ret == 0) {
		user = conf->eap_user;
		while (user) {
			struct hostapd_eap_user *prev;

			prev = user;
			user = user->next;
			hostapd_config_free_eap_user(prev);
		}
		conf->eap_user = new_user;
	}

	return ret;
}
#endif /* EAP_SERVER */


#ifndef CONFIG_NO_RADIUS
static int
hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
				int *num_server, const char *val, int def_port,
				struct hostapd_radius_server **curr_serv)
{
	struct hostapd_radius_server *nserv;
	int ret;
	static int server_index = 1;

	nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
	if (nserv == NULL)
		return -1;

	*server = nserv;
	nserv = &nserv[*num_server];
	(*num_server)++;
	(*curr_serv) = nserv;

	os_memset(nserv, 0, sizeof(*nserv));
	nserv->port = def_port;
	ret = hostapd_parse_ip_addr(val, &nserv->addr);
	nserv->index = server_index++;

	return ret;
}


static struct hostapd_radius_attr *
hostapd_parse_radius_attr(const char *value)
{
	const char *pos;
	char syntax;
	struct hostapd_radius_attr *attr;
	size_t len;

	attr = os_zalloc(sizeof(*attr));
	if (attr == NULL)
		return NULL;

	attr->type = atoi(value);

	pos = os_strchr(value, ':');
	if (pos == NULL) {
		attr->val = wpabuf_alloc(1);
		if (attr->val == NULL) {
			os_free(attr);
			return NULL;
		}
		wpabuf_put_u8(attr->val, 0);
		return attr;
	}

	pos++;
	if (pos[0] == '\0' || pos[1] != ':') {
		os_free(attr);
		return NULL;
	}
	syntax = *pos++;
	pos++;

	switch (syntax) {
	case 's':
		attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
		break;
	case 'x':
		len = os_strlen(pos);
		if (len & 1)
			break;
		len /= 2;
		attr->val = wpabuf_alloc(len);
		if (attr->val == NULL)
			break;
		if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
			wpabuf_free(attr->val);
			os_free(attr);
			return NULL;
		}
		break;
	case 'd':
		attr->val = wpabuf_alloc(4);
		if (attr->val)
			wpabuf_put_be32(attr->val, atoi(pos));
		break;
	default:
		os_free(attr);
		return NULL;
	}

	if (attr->val == NULL) {
		os_free(attr);
		return NULL;
	}

	return attr;
}


static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
				    const char *val)
{
	char *secret;

	secret = os_strchr(val, ' ');
	if (secret == NULL)
		return -1;

	secret++;

	if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
		return -1;

	os_free(bss->radius_das_shared_secret);
	bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
	if (bss->radius_das_shared_secret == NULL)
		return -1;
	bss->radius_das_shared_secret_len = os_strlen(secret);

	return 0;
}
#endif /* CONFIG_NO_RADIUS */


static int hostapd_config_parse_key_mgmt(int line, const char *value)
{
	int val = 0, last;
	char *start, *end, *buf;

	buf = os_strdup(value);
	if (buf == NULL)
		return -1;
	start = buf;

	while (*start != '\0') {
		while (*start == ' ' || *start == '\t')
			start++;
		if (*start == '\0')
			break;
		end = start;
		while (*end != ' ' && *end != '\t' && *end != '\0')
			end++;
		last = *end == '\0';
		*end = '\0';
		if (os_strcmp(start, "WPA-PSK") == 0)
			val |= WPA_KEY_MGMT_PSK;
		else if (os_strcmp(start, "WPA-EAP") == 0)
			val |= WPA_KEY_MGMT_IEEE8021X;
#ifdef CONFIG_IEEE80211R
		else if (os_strcmp(start, "FT-PSK") == 0)
			val |= WPA_KEY_MGMT_FT_PSK;
		else if (os_strcmp(start, "FT-EAP") == 0)
			val |= WPA_KEY_MGMT_FT_IEEE8021X;
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_IEEE80211W
		else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
			val |= WPA_KEY_MGMT_PSK_SHA256;
		else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
			val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_SAE
		else if (os_strcmp(start, "SAE") == 0)
			val |= WPA_KEY_MGMT_SAE;
		else if (os_strcmp(start, "FT-SAE") == 0)
			val |= WPA_KEY_MGMT_FT_SAE;
#endif /* CONFIG_SAE */
#ifdef CONFIG_SUITEB
		else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0)
			val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B;
#endif /* CONFIG_SUITEB */
#ifdef CONFIG_SUITEB192
		else if (os_strcmp(start, "WPA-EAP-SUITE-B-192") == 0)
			val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192;
#endif /* CONFIG_SUITEB192 */
		else {
			wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
				   line, start);
			os_free(buf);
			return -1;
		}

		if (last)
			break;
		start = end + 1;
	}

	os_free(buf);
	if (val == 0) {
		wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
			   "configured.", line);
		return -1;
	}

	return val;
}


static int hostapd_config_parse_cipher(int line, const char *value)
{
	int val = wpa_parse_cipher(value);
	if (val < 0) {
		wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
			   line, value);
		return -1;
	}
	if (val == 0) {
		wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
			   line);
		return -1;
	}
	return val;
}


static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
				   char *val)
{
	size_t len = os_strlen(val);

	if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
		return -1;

	if (val[0] == '"') {
		if (len < 2 || val[len - 1] != '"')
			return -1;
		len -= 2;
		wep->key[keyidx] = os_malloc(len);
		if (wep->key[keyidx] == NULL)
			return -1;
		os_memcpy(wep->key[keyidx], val + 1, len);
		wep->len[keyidx] = len;
	} else {
		if (len & 1)
			return -1;
		len /= 2;
		wep->key[keyidx] = os_malloc(len);
		if (wep->key[keyidx] == NULL)
			return -1;
		wep->len[keyidx] = len;
		if (hexstr2bin(val, wep->key[keyidx], len) < 0)
			return -1;
	}

	wep->keys_set++;

	return 0;
}


static int hostapd_parse_chanlist(struct hostapd_config *conf, char *val)
{
	char *pos;

	/* for backwards compatibility, translate ' ' in conf str to ',' */
	pos = val;
	while (pos) {
		pos = os_strchr(pos, ' ');
		if (pos)
			*pos++ = ',';
	}
	if (freq_range_list_parse(&conf->acs_ch_list, val))
		return -1;

	return 0;
}


static int hostapd_parse_intlist(int **int_list, char *val)
{
	int *list;
	int count;
	char *pos, *end;

	os_free(*int_list);
	*int_list = NULL;

	pos = val;
	count = 0;
	while (*pos != '\0') {
		if (*pos == ' ')
			count++;
		pos++;
	}

	list = os_malloc(sizeof(int) * (count + 2));
	if (list == NULL)
		return -1;
	pos = val;
	count = 0;
	while (*pos != '\0') {
		end = os_strchr(pos, ' ');
		if (end)
			*end = '\0';

		list[count++] = atoi(pos);
		if (!end)
			break;
		pos = end + 1;
	}
	list[count] = -1;

	*int_list = list;
	return 0;
}


static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
{
	struct hostapd_bss_config **all, *bss;

	if (*ifname == '\0')
		return -1;

	all = os_realloc_array(conf->bss, conf->num_bss + 1,
			       sizeof(struct hostapd_bss_config *));
	if (all == NULL) {
		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
			   "multi-BSS entry");
		return -1;
	}
	conf->bss = all;

	bss = os_zalloc(sizeof(*bss));
	if (bss == NULL)
		return -1;
	bss->radius = os_zalloc(sizeof(*bss->radius));
	if (bss->radius == NULL) {
		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
			   "multi-BSS RADIUS data");
		os_free(bss);
		return -1;
	}

	conf->bss[conf->num_bss++] = bss;
	conf->last_bss = bss;

	hostapd_config_defaults_bss(bss);
	os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
	os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);

	return 0;
}


/* convert floats with one decimal place to value*10 int, i.e.,
 * "1.5" will return 15 */
static int hostapd_config_read_int10(const char *value)
{
	int i, d;
	char *pos;

	i = atoi(value);
	pos = os_strchr(value, '.');
	d = 0;
	if (pos) {
		pos++;
		if (*pos >= '0' && *pos <= '9')
			d = *pos - '0';
	}

	return i * 10 + d;
}


static int valid_cw(int cw)
{
	return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
		cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023 ||
		cw == 2047 || cw == 4095 || cw == 8191 || cw == 16383 ||
		cw == 32767);
}


enum {
	IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
	IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
	IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
	IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
};

static int hostapd_config_tx_queue(struct hostapd_config *conf, char *name,
				   char *val)
{
	int num;
	char *pos;
	struct hostapd_tx_queue_params *queue;

	/* skip 'tx_queue_' prefix */
	pos = name + 9;
	if (os_strncmp(pos, "data", 4) == 0 &&
	    pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
		num = pos[4] - '0';
		pos += 6;
	} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
		   os_strncmp(pos, "beacon_", 7) == 0) {
		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
		return 0;
	} else {
		wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
		return -1;
	}

	if (num >= NUM_TX_QUEUES) {
		/* for backwards compatibility, do not trigger failure */
		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
		return 0;
	}

	queue = &conf->tx_queue[num];

	if (os_strcmp(pos, "aifs") == 0) {
		queue->aifs = atoi(val);
		if (queue->aifs < 0 || queue->aifs > 255) {
			wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
				   queue->aifs);
			return -1;
		}
	} else if (os_strcmp(pos, "cwmin") == 0) {
		queue->cwmin = atoi(val);
		if (!valid_cw(queue->cwmin)) {
			wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
				   queue->cwmin);
			return -1;
		}
	} else if (os_strcmp(pos, "cwmax") == 0) {
		queue->cwmax = atoi(val);
		if (!valid_cw(queue->cwmax)) {
			wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
				   queue->cwmax);
			return -1;
		}
	} else if (os_strcmp(pos, "burst") == 0) {
		queue->burst = hostapd_config_read_int10(val);
	} else {
		wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
		return -1;
	}

	return 0;
}


#ifdef CONFIG_IEEE80211R
static int add_r0kh(struct hostapd_bss_config *bss, char *value)
{
	struct ft_remote_r0kh *r0kh;
	char *pos, *next;

	r0kh = os_zalloc(sizeof(*r0kh));
	if (r0kh == NULL)
		return -1;

	/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
	pos = value;
	next = os_strchr(pos, ' ');
	if (next)
		*next++ = '\0';
	if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
		wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
		os_free(r0kh);
		return -1;
	}

	pos = next;
	next = os_strchr(pos, ' ');
	if (next)
		*next++ = '\0';
	if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
		wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
		os_free(r0kh);
		return -1;
	}
	r0kh->id_len = next - pos - 1;
	os_memcpy(r0kh->id, pos, r0kh->id_len);

	pos = next;
	if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
		wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
		os_free(r0kh);
		return -1;
	}

	r0kh->next = bss->r0kh_list;
	bss->r0kh_list = r0kh;

	return 0;
}


static int add_r1kh(struct hostapd_bss_config *bss, char *value)
{
	struct ft_remote_r1kh *r1kh;
	char *pos, *next;

	r1kh = os_zalloc(sizeof(*r1kh));
	if (r1kh == NULL)
		return -1;

	/* 02:01:02:03:04:05 02:01:02:03:04:05
	 * 000102030405060708090a0b0c0d0e0f */
	pos = value;
	next = os_strchr(pos, ' ');
	if (next)
		*next++ = '\0';
	if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
		wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
		os_free(r1kh);
		return -1;
	}

	pos = next;
	next = os_strchr(pos, ' ');
	if (next)
		*next++ = '\0';
	if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
		wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
		os_free(r1kh);
		return -1;
	}

	pos = next;
	if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
		wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
		os_free(r1kh);
		return -1;
	}

	r1kh->next = bss->r1kh_list;
	bss->r1kh_list = r1kh;

	return 0;
}
#endif /* CONFIG_IEEE80211R */


#ifdef CONFIG_IEEE80211N
static int hostapd_config_ht_capab(struct hostapd_config *conf,
				   const char *capab)
{
	if (os_strstr(capab, "[LDPC]"))
		conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
	if (os_strstr(capab, "[HT40-]")) {
		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
		conf->secondary_channel = -1;
	}
	if (os_strstr(capab, "[HT40+]")) {
		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
		conf->secondary_channel = 1;
	}
	if (os_strstr(capab, "[SMPS-STATIC]")) {
		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
		conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
	}
	if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
		conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
	}
	if (os_strstr(capab, "[GF]"))
		conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
	if (os_strstr(capab, "[SHORT-GI-20]"))
		conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
	if (os_strstr(capab, "[SHORT-GI-40]"))
		conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
	if (os_strstr(capab, "[TX-STBC]"))
		conf->ht_capab |= HT_CAP_INFO_TX_STBC;
	if (os_strstr(capab, "[RX-STBC1]")) {
		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
		conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
	}
	if (os_strstr(capab, "[RX-STBC12]")) {
		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
		conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
	}
	if (os_strstr(capab, "[RX-STBC123]")) {
		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
		conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
	}
	if (os_strstr(capab, "[DELAYED-BA]"))
		conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
	if (os_strstr(capab, "[MAX-AMSDU-7935]"))
		conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
	if (os_strstr(capab, "[DSSS_CCK-40]"))
		conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
	if (os_strstr(capab, "[40-INTOLERANT]"))
		conf->ht_capab |= HT_CAP_INFO_40MHZ_INTOLERANT;
	if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
		conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;

	return 0;
}
#endif /* CONFIG_IEEE80211N */


#ifdef CONFIG_IEEE80211AC
static int hostapd_config_vht_capab(struct hostapd_config *conf,
				    const char *capab)
{
	if (os_strstr(capab, "[MAX-MPDU-7991]"))
		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
	if (os_strstr(capab, "[MAX-MPDU-11454]"))
		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
	if (os_strstr(capab, "[VHT160]"))
		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
	if (os_strstr(capab, "[VHT160-80PLUS80]"))
		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
	if (os_strstr(capab, "[RXLDPC]"))
		conf->vht_capab |= VHT_CAP_RXLDPC;
	if (os_strstr(capab, "[SHORT-GI-80]"))
		conf->vht_capab |= VHT_CAP_SHORT_GI_80;
	if (os_strstr(capab, "[SHORT-GI-160]"))
		conf->vht_capab |= VHT_CAP_SHORT_GI_160;
	if (os_strstr(capab, "[TX-STBC-2BY1]"))
		conf->vht_capab |= VHT_CAP_TXSTBC;
	if (os_strstr(capab, "[RX-STBC-1]"))
		conf->vht_capab |= VHT_CAP_RXSTBC_1;
	if (os_strstr(capab, "[RX-STBC-12]"))
		conf->vht_capab |= VHT_CAP_RXSTBC_2;
	if (os_strstr(capab, "[RX-STBC-123]"))
		conf->vht_capab |= VHT_CAP_RXSTBC_3;
	if (os_strstr(capab, "[RX-STBC-1234]"))
		conf->vht_capab |= VHT_CAP_RXSTBC_4;
	if (os_strstr(capab, "[SU-BEAMFORMER]"))
		conf->vht_capab |= VHT_CAP_SU_BEAMFORMER_CAPABLE;
	if (os_strstr(capab, "[SU-BEAMFORMEE]"))
		conf->vht_capab |= VHT_CAP_SU_BEAMFORMEE_CAPABLE;
	if (os_strstr(capab, "[BF-ANTENNA-2]") &&
	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
		conf->vht_capab |= (1 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
	if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
		conf->vht_capab |= (1 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
	if (os_strstr(capab, "[MU-BEAMFORMER]"))
		conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
	if (os_strstr(capab, "[VHT-TXOP-PS]"))
		conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
	if (os_strstr(capab, "[HTC-VHT]"))
		conf->vht_capab |= VHT_CAP_HTC_VHT;
	if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP7]"))
		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX;
	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP6]"))
		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_6;
	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP5]"))
		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_5;
	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP4]"))
		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_4;
	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP3]"))
		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_3;
	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP2]"))
		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_2;
	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP1]"))
		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_1;
	if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
	    (conf->vht_capab & VHT_CAP_HTC_VHT))
		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
	if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
	    (conf->vht_capab & VHT_CAP_HTC_VHT))
		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
	if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
		conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
	if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
		conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
	return 0;
}
#endif /* CONFIG_IEEE80211AC */


#ifdef CONFIG_INTERWORKING
static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
				    int line)
{
	size_t len = os_strlen(pos);
	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];

	struct hostapd_roaming_consortium *rc;

	if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
	    hexstr2bin(pos, oi, len / 2)) {
		wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
			   "'%s'", line, pos);
		return -1;
	}
	len /= 2;

	rc = os_realloc_array(bss->roaming_consortium,
			      bss->roaming_consortium_count + 1,
			      sizeof(struct hostapd_roaming_consortium));
	if (rc == NULL)
		return -1;

	os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
	rc[bss->roaming_consortium_count].len = len;

	bss->roaming_consortium = rc;
	bss->roaming_consortium_count++;

	return 0;
}


static int parse_lang_string(struct hostapd_lang_string **array,
			     unsigned int *count, char *pos)
{
	char *sep, *str = NULL;
	size_t clen, nlen, slen;
	struct hostapd_lang_string *ls;
	int ret = -1;

	if (*pos == '"' || (*pos == 'P' && pos[1] == '"')) {
		str = wpa_config_parse_string(pos, &slen);
		if (!str)
			return -1;
		pos = str;
	}

	sep = os_strchr(pos, ':');
	if (sep == NULL)
		goto fail;
	*sep++ = '\0';

	clen = os_strlen(pos);
	if (clen < 2 || clen > sizeof(ls->lang))
		goto fail;
	nlen = os_strlen(sep);
	if (nlen > 252)
		goto fail;

	ls = os_realloc_array(*array, *count + 1,
			      sizeof(struct hostapd_lang_string));
	if (ls == NULL)
		goto fail;

	*array = ls;
	ls = &(*array)[*count];
	(*count)++;

	os_memset(ls->lang, 0, sizeof(ls->lang));
	os_memcpy(ls->lang, pos, clen);
	ls->name_len = nlen;
	os_memcpy(ls->name, sep, nlen);

	ret = 0;
fail:
	os_free(str);
	return ret;
}


static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
			    int line)
{
	if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
		wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
			   line, pos);
		return -1;
	}
	return 0;
}


static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
			       int line)
{
	size_t count;
	char *pos;
	u8 *info = NULL, *ipos;

	/* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */

	count = 1;
	for (pos = buf; *pos; pos++) {
		if ((*pos < '0' || *pos > '9') && *pos != ';' && *pos != ',')
			goto fail;
		if (*pos == ';')
			count++;
	}
	if (1 + count * 3 > 0x7f)
		goto fail;

	info = os_zalloc(2 + 3 + count * 3);
	if (info == NULL)
		return -1;

	ipos = info;
	*ipos++ = 0; /* GUD - Version 1 */
	*ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
	*ipos++ = 0; /* PLMN List IEI */
	/* ext(b8) | Length of PLMN List value contents(b7..1) */
	*ipos++ = 1 + count * 3;
	*ipos++ = count; /* Number of PLMNs */

	pos = buf;
	while (pos && *pos) {
		char *mcc, *mnc;
		size_t mnc_len;

		mcc = pos;
		mnc = os_strchr(pos, ',');
		if (mnc == NULL)
			goto fail;
		*mnc++ = '\0';
		pos = os_strchr(mnc, ';');
		if (pos)
			*pos++ = '\0';

		mnc_len = os_strlen(mnc);
		if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
			goto fail;

		/* BC coded MCC,MNC */
		/* MCC digit 2 | MCC digit 1 */
		*ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
		/* MNC digit 3 | MCC digit 3 */
		*ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
			(mcc[2] - '0');
		/* MNC digit 2 | MNC digit 1 */
		*ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
	}

	os_free(bss->anqp_3gpp_cell_net);
	bss->anqp_3gpp_cell_net = info;
	bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
	wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
		    bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);

	return 0;

fail:
	wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
		   line, buf);
	os_free(info);
	return -1;
}


static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
{
	struct hostapd_nai_realm_data *realm;
	size_t i, j, len;
	int *offsets;
	char *pos, *end, *rpos;

	offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
			    sizeof(int));
	if (offsets == NULL)
		return -1;

	for (i = 0; i < bss->nai_realm_count; i++) {
		realm = &bss->nai_realm_data[i];
		for (j = 0; j < MAX_NAI_REALMS; j++) {
			offsets[i * MAX_NAI_REALMS + j] =
				realm->realm[j] ?
				realm->realm[j] - realm->realm_buf : -1;
		}
	}

	realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
				 sizeof(struct hostapd_nai_realm_data));
	if (realm == NULL) {
		os_free(offsets);
		return -1;
	}
	bss->nai_realm_data = realm;

	/* patch the pointers after realloc */
	for (i = 0; i < bss->nai_realm_count; i++) {
		realm = &bss->nai_realm_data[i];
		for (j = 0; j < MAX_NAI_REALMS; j++) {
			int offs = offsets[i * MAX_NAI_REALMS + j];
			if (offs >= 0)
				realm->realm[j] = realm->realm_buf + offs;
			else
				realm->realm[j] = NULL;
		}
	}
	os_free(offsets);

	realm = &bss->nai_realm_data[bss->nai_realm_count];
	os_memset(realm, 0, sizeof(*realm));

	pos = buf;
	realm->encoding = atoi(pos);
	pos = os_strchr(pos, ',');
	if (pos == NULL)
		goto fail;
	pos++;

	end = os_strchr(pos, ',');
	if (end) {
		len = end - pos;
		*end = '\0';
	} else {
		len = os_strlen(pos);
	}

	if (len > MAX_NAI_REALMLEN) {
		wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
			   "characters)", (int) len, MAX_NAI_REALMLEN);
		goto fail;
	}
	os_memcpy(realm->realm_buf, pos, len);

	if (end)
		pos = end + 1;
	else
		pos = NULL;

	while (pos && *pos) {
		struct hostapd_nai_realm_eap *eap;

		if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
			wpa_printf(MSG_ERROR, "Too many EAP methods");
			goto fail;
		}

		eap = &realm->eap_method[realm->eap_method_count];
		realm->eap_method_count++;

		end = os_strchr(pos, ',');
		if (end == NULL)
			end = pos + os_strlen(pos);

		eap->eap_method = atoi(pos);
		for (;;) {
			pos = os_strchr(pos, '[');
			if (pos == NULL || pos > end)
				break;
			pos++;
			if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
				wpa_printf(MSG_ERROR, "Too many auth params");
				goto fail;
			}
			eap->auth_id[eap->num_auths] = atoi(pos);
			pos = os_strchr(pos, ':');
			if (pos == NULL || pos > end)
				goto fail;
			pos++;
			eap->auth_val[eap->num_auths] = atoi(pos);
			pos = os_strchr(pos, ']');
			if (pos == NULL || pos > end)
				goto fail;
			pos++;
			eap->num_auths++;
		}

		if (*end != ',')
			break;

		pos = end + 1;
	}

	/* Split realm list into null terminated realms */
	rpos = realm->realm_buf;
	i = 0;
	while (*rpos) {
		if (i >= MAX_NAI_REALMS) {
			wpa_printf(MSG_ERROR, "Too many realms");
			goto fail;
		}
		realm->realm[i++] = rpos;
		rpos = os_strchr(rpos, ';');
		if (rpos == NULL)
			break;
		*rpos++ = '\0';
	}

	bss->nai_realm_count++;

	return 0;

fail:
	wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
	return -1;
}


static int parse_qos_map_set(struct hostapd_bss_config *bss,
			     char *buf, int line)
{
	u8 qos_map_set[16 + 2 * 21], count = 0;
	char *pos = buf;
	int val;

	for (;;) {
		if (count == sizeof(qos_map_set)) {
			wpa_printf(MSG_ERROR, "Line %d: Too many qos_map_set "
				   "parameters '%s'", line, buf);
			return -1;
		}

		val = atoi(pos);
		if (val > 255 || val < 0) {
			wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set "
				   "'%s'", line, buf);
			return -1;
		}

		qos_map_set[count++] = val;
		pos = os_strchr(pos, ',');
		if (!pos)
			break;
		pos++;
	}

	if (count < 16 || count & 1) {
		wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set '%s'",
			   line, buf);
		return -1;
	}

	os_memcpy(bss->qos_map_set, qos_map_set, count);
	bss->qos_map_set_len = count;

	return 0;
}

#endif /* CONFIG_INTERWORKING */


#ifdef CONFIG_HS20
static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
				 int line)
{
	u8 *conn_cap;
	char *pos;

	if (bss->hs20_connection_capability_len >= 0xfff0)
		return -1;

	conn_cap = os_realloc(bss->hs20_connection_capability,
			      bss->hs20_connection_capability_len + 4);
	if (conn_cap == NULL)
		return -1;

	bss->hs20_connection_capability = conn_cap;
	conn_cap += bss->hs20_connection_capability_len;
	pos = buf;
	conn_cap[0] = atoi(pos);
	pos = os_strchr(pos, ':');
	if (pos == NULL)
		return -1;
	pos++;
	WPA_PUT_LE16(conn_cap + 1, atoi(pos));
	pos = os_strchr(pos, ':');
	if (pos == NULL)
		return -1;
	pos++;
	conn_cap[3] = atoi(pos);
	bss->hs20_connection_capability_len += 4;

	return 0;
}


static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
				  int line)
{
	u8 *wan_metrics;
	char *pos;

	/* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */

	wan_metrics = os_zalloc(13);
	if (wan_metrics == NULL)
		return -1;

	pos = buf;
	/* WAN Info */
	if (hexstr2bin(pos, wan_metrics, 1) < 0)
		goto fail;
	pos += 2;
	if (*pos != ':')
		goto fail;
	pos++;

	/* Downlink Speed */
	WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
	pos = os_strchr(pos, ':');
	if (pos == NULL)
		goto fail;
	pos++;

	/* Uplink Speed */
	WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
	pos = os_strchr(pos, ':');
	if (pos == NULL)
		goto fail;
	pos++;

	/* Downlink Load */
	wan_metrics[9] = atoi(pos);
	pos = os_strchr(pos, ':');
	if (pos == NULL)
		goto fail;
	pos++;

	/* Uplink Load */
	wan_metrics[10] = atoi(pos);
	pos = os_strchr(pos, ':');
	if (pos == NULL)
		goto fail;
	pos++;

	/* LMD */
	WPA_PUT_LE16(wan_metrics + 11, atoi(pos));

	os_free(bss->hs20_wan_metrics);
	bss->hs20_wan_metrics = wan_metrics;

	return 0;

fail:
	wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
		   line, buf);
	os_free(wan_metrics);
	return -1;
}


static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
					 char *pos, int line)
{
	if (parse_lang_string(&bss->hs20_oper_friendly_name,
			      &bss->hs20_oper_friendly_name_count, pos)) {
		wpa_printf(MSG_ERROR, "Line %d: Invalid "
			   "hs20_oper_friendly_name '%s'", line, pos);
		return -1;
	}
	return 0;
}


static int hs20_parse_icon(struct hostapd_bss_config *bss, char *pos)
{
	struct hs20_icon *icon;
	char *end;

	icon = os_realloc_array(bss->hs20_icons, bss->hs20_icons_count + 1,
				sizeof(struct hs20_icon));
	if (icon == NULL)
		return -1;
	bss->hs20_icons = icon;
	icon = &bss->hs20_icons[bss->hs20_icons_count];
	os_memset(icon, 0, sizeof(*icon));

	icon->width = atoi(pos);
	pos = os_strchr(pos, ':');
	if (pos == NULL)
		return -1;
	pos++;

	icon->height = atoi(pos);
	pos = os_strchr(pos, ':');
	if (pos == NULL)
		return -1;
	pos++;

	end = os_strchr(pos, ':');
	if (end == NULL || end - pos > 3)
		return -1;
	os_memcpy(icon->language, pos, end - pos);
	pos = end + 1;

	end = os_strchr(pos, ':');
	if (end == NULL || end - pos > 255)
		return -1;
	os_memcpy(icon->type, pos, end - pos);
	pos = end + 1;

	end = os_strchr(pos, ':');
	if (end == NULL || end - pos > 255)
		return -1;
	os_memcpy(icon->name, pos, end - pos);
	pos = end + 1;

	if (os_strlen(pos) > 255)
		return -1;
	os_memcpy(icon->file, pos, os_strlen(pos));

	bss->hs20_icons_count++;

	return 0;
}


static int hs20_parse_osu_ssid(struct hostapd_bss_config *bss,
			       char *pos, int line)
{
	size_t slen;
	char *str;

	str = wpa_config_parse_string(pos, &slen);
	if (str == NULL || slen < 1 || slen > SSID_MAX_LEN) {
		wpa_printf(MSG_ERROR, "Line %d: Invalid SSID '%s'", line, pos);
		os_free(str);
		return -1;
	}

	os_memcpy(bss->osu_ssid, str, slen);
	bss->osu_ssid_len = slen;
	os_free(str);

	return 0;
}


static int hs20_parse_osu_server_uri(struct hostapd_bss_config *bss,
				     char *pos, int line)
{
	struct hs20_osu_provider *p;

	p = os_realloc_array(bss->hs20_osu_providers,
			     bss->hs20_osu_providers_count + 1, sizeof(*p));
	if (p == NULL)
		return -1;

	bss->hs20_osu_providers = p;
	bss->last_osu = &bss->hs20_osu_providers[bss->hs20_osu_providers_count];
	bss->hs20_osu_providers_count++;
	os_memset(bss->last_osu, 0, sizeof(*p));
	bss->last_osu->server_uri = os_strdup(pos);

	return 0;
}


static int hs20_parse_osu_friendly_name(struct hostapd_bss_config *bss,
					char *pos, int line)
{
	if (bss->last_osu == NULL) {
		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
		return -1;
	}

	if (parse_lang_string(&bss->last_osu->friendly_name,
			      &bss->last_osu->friendly_name_count, pos)) {
		wpa_printf(MSG_ERROR, "Line %d: Invalid osu_friendly_name '%s'",
			   line, pos);
		return -1;
	}

	return 0;
}


static int hs20_parse_osu_nai(struct hostapd_bss_config *bss,
			      char *pos, int line)
{
	if (bss->last_osu == NULL) {
		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
		return -1;
	}

	os_free(bss->last_osu->osu_nai);
	bss->last_osu->osu_nai = os_strdup(pos);
	if (bss->last_osu->osu_nai == NULL)
		return -1;

	return 0;
}


static int hs20_parse_osu_method_list(struct hostapd_bss_config *bss, char *pos,
				      int line)
{
	if (bss->last_osu == NULL) {
		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
		return -1;
	}

	if (hostapd_parse_intlist(&bss->last_osu->method_list, pos)) {
		wpa_printf(MSG_ERROR, "Line %d: Invalid osu_method_list", line);
		return -1;
	}

	return 0;
}


static int hs20_parse_osu_icon(struct hostapd_bss_config *bss, char *pos,
			       int line)
{
	char **n;
	struct hs20_osu_provider *p = bss->last_osu;

	if (p == NULL) {
		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
		return -1;
	}

	n = os_realloc_array(p->icons, p->icons_count + 1, sizeof(char *));
	if (n == NULL)
		return -1;
	p->icons = n;
	p->icons[p->icons_count] = os_strdup(pos);
	if (p->icons[p->icons_count] == NULL)
		return -1;
	p->icons_count++;

	return 0;
}


static int hs20_parse_osu_service_desc(struct hostapd_bss_config *bss,
				       char *pos, int line)
{
	if (bss->last_osu == NULL) {
		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
		return -1;
	}

	if (parse_lang_string(&bss->last_osu->service_desc,
			      &bss->last_osu->service_desc_count, pos)) {
		wpa_printf(MSG_ERROR, "Line %d: Invalid osu_service_desc '%s'",
			   line, pos);
		return -1;
	}

	return 0;
}

#endif /* CONFIG_HS20 */


#ifdef CONFIG_WPS_NFC
static struct wpabuf * hostapd_parse_bin(const char *buf)
{
	size_t len;
	struct wpabuf *ret;

	len = os_strlen(buf);
	if (len & 0x01)
		return NULL;
	len /= 2;

	ret = wpabuf_alloc(len);
	if (ret == NULL)
		return NULL;

	if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
		wpabuf_free(ret);
		return NULL;
	}

	return ret;
}
#endif /* CONFIG_WPS_NFC */


#ifdef CONFIG_ACS
static int hostapd_config_parse_acs_chan_bias(struct hostapd_config *conf,
					      char *pos)
{
	struct acs_bias *bias = NULL, *tmp;
	unsigned int num = 0;
	char *end;

	while (*pos) {
		tmp = os_realloc_array(bias, num + 1, sizeof(*bias));
		if (!tmp)
			goto fail;
		bias = tmp;

		bias[num].channel = atoi(pos);
		if (bias[num].channel <= 0)
			goto fail;
		pos = os_strchr(pos, ':');
		if (!pos)
			goto fail;
		pos++;
		bias[num].bias = strtod(pos, &end);
		if (end == pos || bias[num].bias < 0.0)
			goto fail;
		pos = end;
		if (*pos != ' ' && *pos != '\0')
			goto fail;
		num++;
	}

	os_free(conf->acs_chan_bias);
	conf->acs_chan_bias = bias;
	conf->num_acs_chan_bias = num;

	return 0;
fail:
	os_free(bias);
	return -1;
}
#endif /* CONFIG_ACS */


static int hostapd_config_fill(struct hostapd_config *conf,
			       struct hostapd_bss_config *bss,
			       char *buf, char *pos, int line)
{
	if (os_strcmp(buf, "interface") == 0) {
		os_strlcpy(conf->bss[0]->iface, pos,
			   sizeof(conf->bss[0]->iface));
	} else if (os_strcmp(buf, "bridge") == 0) {
		os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
	} else if (os_strcmp(buf, "vlan_bridge") == 0) {
		os_strlcpy(bss->vlan_bridge, pos, sizeof(bss->vlan_bridge));
	} else if (os_strcmp(buf, "wds_bridge") == 0) {
		os_strlcpy(bss->wds_bridge, pos, sizeof(bss->wds_bridge));
	} else if (os_strcmp(buf, "driver") == 0) {
		int j;
		/* clear to get error below if setting is invalid */
		conf->driver = NULL;
		for (j = 0; wpa_drivers[j]; j++) {
			if (os_strcmp(pos, wpa_drivers[j]->name) == 0) {
				conf->driver = wpa_drivers[j];
				break;
			}
		}
		if (conf->driver == NULL) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid/unknown driver '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "driver_params") == 0) {
		os_free(conf->driver_params);
		conf->driver_params = os_strdup(pos);
	} else if (os_strcmp(buf, "debug") == 0) {
		wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' configuration variable is not used anymore",
			   line);
	} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
		bss->logger_syslog_level = atoi(pos);
	} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
		bss->logger_stdout_level = atoi(pos);
	} else if (os_strcmp(buf, "logger_syslog") == 0) {
		bss->logger_syslog = atoi(pos);
	} else if (os_strcmp(buf, "logger_stdout") == 0) {
		bss->logger_stdout = atoi(pos);
	} else if (os_strcmp(buf, "dump_file") == 0) {
		wpa_printf(MSG_INFO, "Line %d: DEPRECATED: 'dump_file' configuration variable is not used anymore",
			   line);
	} else if (os_strcmp(buf, "ssid") == 0) {
		bss->ssid.ssid_len = os_strlen(pos);
		if (bss->ssid.ssid_len > SSID_MAX_LEN ||
		    bss->ssid.ssid_len < 1) {
			wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
				   line, pos);
			return 1;
		}
		os_memcpy(bss->ssid.ssid, pos, bss->ssid.ssid_len);
		bss->ssid.ssid_set = 1;
	} else if (os_strcmp(buf, "ssid2") == 0) {
		size_t slen;
		char *str = wpa_config_parse_string(pos, &slen);
		if (str == NULL || slen < 1 || slen > SSID_MAX_LEN) {
			wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
				   line, pos);
			os_free(str);
			return 1;
		}
		os_memcpy(bss->ssid.ssid, str, slen);
		bss->ssid.ssid_len = slen;
		bss->ssid.ssid_set = 1;
		os_free(str);
	} else if (os_strcmp(buf, "utf8_ssid") == 0) {
		bss->ssid.utf8_ssid = atoi(pos) > 0;
	} else if (os_strcmp(buf, "macaddr_acl") == 0) {
		bss->macaddr_acl = atoi(pos);
		if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
		    bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
		    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
			wpa_printf(MSG_ERROR, "Line %d: unknown macaddr_acl %d",
				   line, bss->macaddr_acl);
		}
	} else if (os_strcmp(buf, "accept_mac_file") == 0) {
		if (hostapd_config_read_maclist(pos, &bss->accept_mac,
						&bss->num_accept_mac)) {
			wpa_printf(MSG_ERROR, "Line %d: Failed to read accept_mac_file '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "deny_mac_file") == 0) {
		if (hostapd_config_read_maclist(pos, &bss->deny_mac,
						&bss->num_deny_mac)) {
			wpa_printf(MSG_ERROR, "Line %d: Failed to read deny_mac_file '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "wds_sta") == 0) {
		bss->wds_sta = atoi(pos);
	} else if (os_strcmp(buf, "start_disabled") == 0) {
		bss->start_disabled = atoi(pos);
	} else if (os_strcmp(buf, "ap_isolate") == 0) {
		bss->isolate = atoi(pos);
	} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
		bss->ap_max_inactivity = atoi(pos);
	} else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
		bss->skip_inactivity_poll = atoi(pos);
	} else if (os_strcmp(buf, "country_code") == 0) {
		os_memcpy(conf->country, pos, 2);
		/* FIX: make this configurable */
		conf->country[2] = ' ';
	} else if (os_strcmp(buf, "ieee80211d") == 0) {
		conf->ieee80211d = atoi(pos);
	} else if (os_strcmp(buf, "ieee80211h") == 0) {
		conf->ieee80211h = atoi(pos);
	} else if (os_strcmp(buf, "ieee8021x") == 0) {
		bss->ieee802_1x = atoi(pos);
	} else if (os_strcmp(buf, "eapol_version") == 0) {
		bss->eapol_version = atoi(pos);
		if (bss->eapol_version < 1 || bss->eapol_version > 2) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid EAPOL version (%d): '%s'.",
				   line, bss->eapol_version, pos);
			return 1;
		}
		wpa_printf(MSG_DEBUG, "eapol_version=%d", bss->eapol_version);
#ifdef EAP_SERVER
	} else if (os_strcmp(buf, "eap_authenticator") == 0) {
		bss->eap_server = atoi(pos);
		wpa_printf(MSG_ERROR, "Line %d: obsolete eap_authenticator used; this has been renamed to eap_server", line);
	} else if (os_strcmp(buf, "eap_server") == 0) {
		bss->eap_server = atoi(pos);
	} else if (os_strcmp(buf, "eap_user_file") == 0) {
		if (hostapd_config_read_eap_user(pos, bss))
			return 1;
	} else if (os_strcmp(buf, "ca_cert") == 0) {
		os_free(bss->ca_cert);
		bss->ca_cert = os_strdup(pos);
	} else if (os_strcmp(buf, "server_cert") == 0) {
		os_free(bss->server_cert);
		bss->server_cert = os_strdup(pos);
	} else if (os_strcmp(buf, "private_key") == 0) {
		os_free(bss->private_key);
		bss->private_key = os_strdup(pos);
	} else if (os_strcmp(buf, "private_key_passwd") == 0) {
		os_free(bss->private_key_passwd);
		bss->private_key_passwd = os_strdup(pos);
	} else if (os_strcmp(buf, "check_crl") == 0) {
		bss->check_crl = atoi(pos);
	} else if (os_strcmp(buf, "ocsp_stapling_response") == 0) {
		os_free(bss->ocsp_stapling_response);
		bss->ocsp_stapling_response = os_strdup(pos);
	} else if (os_strcmp(buf, "dh_file") == 0) {
		os_free(bss->dh_file);
		bss->dh_file = os_strdup(pos);
	} else if (os_strcmp(buf, "openssl_ciphers") == 0) {
		os_free(bss->openssl_ciphers);
		bss->openssl_ciphers = os_strdup(pos);
	} else if (os_strcmp(buf, "fragment_size") == 0) {
		bss->fragment_size = atoi(pos);
#ifdef EAP_SERVER_FAST
	} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
		os_free(bss->pac_opaque_encr_key);
		bss->pac_opaque_encr_key = os_malloc(16);
		if (bss->pac_opaque_encr_key == NULL) {
			wpa_printf(MSG_ERROR,
				   "Line %d: No memory for pac_opaque_encr_key",
				   line);
			return 1;
		} else if (hexstr2bin(pos, bss->pac_opaque_encr_key, 16)) {
			wpa_printf(MSG_ERROR, "Line %d: Invalid pac_opaque_encr_key",
				   line);
			return 1;
		}
	} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
		size_t idlen = os_strlen(pos);
		if (idlen & 1) {
			wpa_printf(MSG_ERROR, "Line %d: Invalid eap_fast_a_id",
				   line);
			return 1;
		}
		os_free(bss->eap_fast_a_id);
		bss->eap_fast_a_id = os_malloc(idlen / 2);
		if (bss->eap_fast_a_id == NULL ||
		    hexstr2bin(pos, bss->eap_fast_a_id, idlen / 2)) {
			wpa_printf(MSG_ERROR, "Line %d: Failed to parse eap_fast_a_id",
				   line);
			os_free(bss->eap_fast_a_id);
			bss->eap_fast_a_id = NULL;
			return 1;
		} else {
			bss->eap_fast_a_id_len = idlen / 2;
		}
	} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
		os_free(bss->eap_fast_a_id_info);
		bss->eap_fast_a_id_info = os_strdup(pos);
	} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
		bss->eap_fast_prov = atoi(pos);
	} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
		bss->pac_key_lifetime = atoi(pos);
	} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
		bss->pac_key_refresh_time = atoi(pos);
#endif /* EAP_SERVER_FAST */
#ifdef EAP_SERVER_SIM
	} else if (os_strcmp(buf, "eap_sim_db") == 0) {
		os_free(bss->eap_sim_db);
		bss->eap_sim_db = os_strdup(pos);
	} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
		bss->eap_sim_aka_result_ind = atoi(pos);
#endif /* EAP_SERVER_SIM */
#ifdef EAP_SERVER_TNC
	} else if (os_strcmp(buf, "tnc") == 0) {
		bss->tnc = atoi(pos);
#endif /* EAP_SERVER_TNC */
#ifdef EAP_SERVER_PWD
	} else if (os_strcmp(buf, "pwd_group") == 0) {
		bss->pwd_group = atoi(pos);
#endif /* EAP_SERVER_PWD */
	} else if (os_strcmp(buf, "eap_server_erp") == 0) {
		bss->eap_server_erp = atoi(pos);
#endif /* EAP_SERVER */
	} else if (os_strcmp(buf, "eap_message") == 0) {
		char *term;
		os_free(bss->eap_req_id_text);
		bss->eap_req_id_text = os_strdup(pos);
		if (bss->eap_req_id_text == NULL) {
			wpa_printf(MSG_ERROR, "Line %d: Failed to allocate memory for eap_req_id_text",
				   line);
			return 1;
		}
		bss->eap_req_id_text_len = os_strlen(bss->eap_req_id_text);
		term = os_strstr(bss->eap_req_id_text, "\\0");
		if (term) {
			*term++ = '\0';
			os_memmove(term, term + 1,
				   bss->eap_req_id_text_len -
				   (term - bss->eap_req_id_text) - 1);
			bss->eap_req_id_text_len--;
		}
	} else if (os_strcmp(buf, "erp_send_reauth_start") == 0) {
		bss->erp_send_reauth_start = atoi(pos);
	} else if (os_strcmp(buf, "erp_domain") == 0) {
		os_free(bss->erp_domain);
		bss->erp_domain = os_strdup(pos);
	} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
		bss->default_wep_key_len = atoi(pos);
		if (bss->default_wep_key_len > 13) {
			wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %lu (= %lu bits)",
				   line,
				   (unsigned long) bss->default_wep_key_len,
				   (unsigned long)
				   bss->default_wep_key_len * 8);
			return 1;
		}
	} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
		bss->individual_wep_key_len = atoi(pos);
		if (bss->individual_wep_key_len < 0 ||
		    bss->individual_wep_key_len > 13) {
			wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %d (= %d bits)",
				   line, bss->individual_wep_key_len,
				   bss->individual_wep_key_len * 8);
			return 1;
		}
	} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
		bss->wep_rekeying_period = atoi(pos);
		if (bss->wep_rekeying_period < 0) {
			wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
				   line, bss->wep_rekeying_period);
			return 1;
		}
	} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
		bss->eap_reauth_period = atoi(pos);
		if (bss->eap_reauth_period < 0) {
			wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
				   line, bss->eap_reauth_period);
			return 1;
		}
	} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
		bss->eapol_key_index_workaround = atoi(pos);
#ifdef CONFIG_IAPP
	} else if (os_strcmp(buf, "iapp_interface") == 0) {
		bss->ieee802_11f = 1;
		os_strlcpy(bss->iapp_iface, pos, sizeof(bss->iapp_iface));
#endif /* CONFIG_IAPP */
	} else if (os_strcmp(buf, "own_ip_addr") == 0) {
		if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid IP address '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "nas_identifier") == 0) {
		os_free(bss->nas_identifier);
		bss->nas_identifier = os_strdup(pos);
#ifndef CONFIG_NO_RADIUS
	} else if (os_strcmp(buf, "radius_client_addr") == 0) {
		if (hostapd_parse_ip_addr(pos, &bss->radius->client_addr)) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid IP address '%s'",
				   line, pos);
			return 1;
		}
		bss->radius->force_client_addr = 1;
	} else if (os_strcmp(buf, "auth_server_addr") == 0) {
		if (hostapd_config_read_radius_addr(
			    &bss->radius->auth_servers,
			    &bss->radius->num_auth_servers, pos, 1812,
			    &bss->radius->auth_server)) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid IP address '%s'",
				   line, pos);
			return 1;
		}
	} else if (bss->radius->auth_server &&
		   os_strcmp(buf, "auth_server_addr_replace") == 0) {
		if (hostapd_parse_ip_addr(pos,
					  &bss->radius->auth_server->addr)) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid IP address '%s'",
				   line, pos);
			return 1;
		}
	} else if (bss->radius->auth_server &&
		   os_strcmp(buf, "auth_server_port") == 0) {
		bss->radius->auth_server->port = atoi(pos);
	} else if (bss->radius->auth_server &&
		   os_strcmp(buf, "auth_server_shared_secret") == 0) {
		int len = os_strlen(pos);
		if (len == 0) {
			/* RFC 2865, Ch. 3 */
			wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
				   line);
			return 1;
		}
		os_free(bss->radius->auth_server->shared_secret);
		bss->radius->auth_server->shared_secret = (u8 *) os_strdup(pos);
		bss->radius->auth_server->shared_secret_len = len;
	} else if (os_strcmp(buf, "acct_server_addr") == 0) {
		if (hostapd_config_read_radius_addr(
			    &bss->radius->acct_servers,
			    &bss->radius->num_acct_servers, pos, 1813,
			    &bss->radius->acct_server)) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid IP address '%s'",
				   line, pos);
			return 1;
		}
	} else if (bss->radius->acct_server &&
		   os_strcmp(buf, "acct_server_addr_replace") == 0) {
		if (hostapd_parse_ip_addr(pos,
					  &bss->radius->acct_server->addr)) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid IP address '%s'",
				   line, pos);
			return 1;
		}
	} else if (bss->radius->acct_server &&
		   os_strcmp(buf, "acct_server_port") == 0) {
		bss->radius->acct_server->port = atoi(pos);
	} else if (bss->radius->acct_server &&
		   os_strcmp(buf, "acct_server_shared_secret") == 0) {
		int len = os_strlen(pos);
		if (len == 0) {
			/* RFC 2865, Ch. 3 */
			wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
				   line);
			return 1;
		}
		os_free(bss->radius->acct_server->shared_secret);
		bss->radius->acct_server->shared_secret = (u8 *) os_strdup(pos);
		bss->radius->acct_server->shared_secret_len = len;
	} else if (os_strcmp(buf, "radius_retry_primary_interval") == 0) {
		bss->radius->retry_primary_interval = atoi(pos);
	} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0) {
		bss->acct_interim_interval = atoi(pos);
	} else if (os_strcmp(buf, "radius_request_cui") == 0) {
		bss->radius_request_cui = atoi(pos);
	} else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
		struct hostapd_radius_attr *attr, *a;
		attr = hostapd_parse_radius_attr(pos);
		if (attr == NULL) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid radius_auth_req_attr",
				   line);
			return 1;
		} else if (bss->radius_auth_req_attr == NULL) {
			bss->radius_auth_req_attr = attr;
		} else {
			a = bss->radius_auth_req_attr;
			while (a->next)
				a = a->next;
			a->next = attr;
		}
	} else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
		struct hostapd_radius_attr *attr, *a;
		attr = hostapd_parse_radius_attr(pos);
		if (attr == NULL) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid radius_acct_req_attr",
				   line);
			return 1;
		} else if (bss->radius_acct_req_attr == NULL) {
			bss->radius_acct_req_attr = attr;
		} else {
			a = bss->radius_acct_req_attr;
			while (a->next)
				a = a->next;
			a->next = attr;
		}
	} else if (os_strcmp(buf, "radius_das_port") == 0) {
		bss->radius_das_port = atoi(pos);
	} else if (os_strcmp(buf, "radius_das_client") == 0) {
		if (hostapd_parse_das_client(bss, pos) < 0) {
			wpa_printf(MSG_ERROR, "Line %d: invalid DAS client",
				   line);
			return 1;
		}
	} else if (os_strcmp(buf, "radius_das_time_window") == 0) {
		bss->radius_das_time_window = atoi(pos);
	} else if (os_strcmp(buf, "radius_das_require_event_timestamp") == 0) {
		bss->radius_das_require_event_timestamp = atoi(pos);
#endif /* CONFIG_NO_RADIUS */
	} else if (os_strcmp(buf, "auth_algs") == 0) {
		bss->auth_algs = atoi(pos);
		if (bss->auth_algs == 0) {
			wpa_printf(MSG_ERROR, "Line %d: no authentication algorithms allowed",
				   line);
			return 1;
		}
	} else if (os_strcmp(buf, "max_num_sta") == 0) {
		bss->max_num_sta = atoi(pos);
		if (bss->max_num_sta < 0 ||
		    bss->max_num_sta > MAX_STA_COUNT) {
			wpa_printf(MSG_ERROR, "Line %d: Invalid max_num_sta=%d; allowed range 0..%d",
				   line, bss->max_num_sta, MAX_STA_COUNT);
			return 1;
		}
	} else if (os_strcmp(buf, "wpa") == 0) {
		bss->wpa = atoi(pos);
	} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
		bss->wpa_group_rekey = atoi(pos);
	} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
		bss->wpa_strict_rekey = atoi(pos);
	} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
		bss->wpa_gmk_rekey = atoi(pos);
	} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
		bss->wpa_ptk_rekey = atoi(pos);
	} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
		int len = os_strlen(pos);
		if (len < 8 || len > 63) {
			wpa_printf(MSG_ERROR, "Line %d: invalid WPA passphrase length %d (expected 8..63)",
				   line, len);
			return 1;
		}
		os_free(bss->ssid.wpa_passphrase);
		bss->ssid.wpa_passphrase = os_strdup(pos);
		if (bss->ssid.wpa_passphrase) {
			hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
			bss->ssid.wpa_passphrase_set = 1;
		}
	} else if (os_strcmp(buf, "wpa_psk") == 0) {
		hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
		bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
		if (bss->ssid.wpa_psk == NULL)
			return 1;
		if (hexstr2bin(pos, bss->ssid.wpa_psk->psk, PMK_LEN) ||
		    pos[PMK_LEN * 2] != '\0') {
			wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
				   line, pos);
			hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
			return 1;
		}
		bss->ssid.wpa_psk->group = 1;
		os_free(bss->ssid.wpa_passphrase);
		bss->ssid.wpa_passphrase = NULL;
		bss->ssid.wpa_psk_set = 1;
	} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
		os_free(bss->ssid.wpa_psk_file);
		bss->ssid.wpa_psk_file = os_strdup(pos);
		if (!bss->ssid.wpa_psk_file) {
			wpa_printf(MSG_ERROR, "Line %d: allocation failed",
				   line);
			return 1;
		}
	} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
		bss->wpa_key_mgmt = hostapd_config_parse_key_mgmt(line, pos);
		if (bss->wpa_key_mgmt == -1)
			return 1;
	} else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
		bss->wpa_psk_radius = atoi(pos);
		if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
		    bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
		    bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
			wpa_printf(MSG_ERROR,
				   "Line %d: unknown wpa_psk_radius %d",
				   line, bss->wpa_psk_radius);
			return 1;
		}
	} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
		bss->wpa_pairwise = hostapd_config_parse_cipher(line, pos);
		if (bss->wpa_pairwise == -1 || bss->wpa_pairwise == 0)
			return 1;
		if (bss->wpa_pairwise &
		    (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
			wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
				   bss->wpa_pairwise, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
		bss->rsn_pairwise = hostapd_config_parse_cipher(line, pos);
		if (bss->rsn_pairwise == -1 || bss->rsn_pairwise == 0)
			return 1;
		if (bss->rsn_pairwise &
		    (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
			wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
				   bss->rsn_pairwise, pos);
			return 1;
		}
#ifdef CONFIG_RSN_PREAUTH
	} else if (os_strcmp(buf, "rsn_preauth") == 0) {
		bss->rsn_preauth = atoi(pos);
	} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
		os_free(bss->rsn_preauth_interfaces);
		bss->rsn_preauth_interfaces = os_strdup(pos);
#endif /* CONFIG_RSN_PREAUTH */
#ifdef CONFIG_PEERKEY
	} else if (os_strcmp(buf, "peerkey") == 0) {
		bss->peerkey = atoi(pos);
#endif /* CONFIG_PEERKEY */
#ifdef CONFIG_IEEE80211R
	} else if (os_strcmp(buf, "mobility_domain") == 0) {
		if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
		    hexstr2bin(pos, bss->mobility_domain,
			       MOBILITY_DOMAIN_ID_LEN) != 0) {
			wpa_printf(MSG_ERROR,
				   "Line %d: Invalid mobility_domain '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "r1_key_holder") == 0) {
		if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
		    hexstr2bin(pos, bss->r1_key_holder, FT_R1KH_ID_LEN) != 0) {
			wpa_printf(MSG_ERROR,
				   "Line %d: Invalid r1_key_holder '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
		bss->r0_key_lifetime = atoi(pos);
	} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
		bss->reassociation_deadline = atoi(pos);
	} else if (os_strcmp(buf, "r0kh") == 0) {
		if (add_r0kh(bss, pos) < 0) {
			wpa_printf(MSG_DEBUG, "Line %d: Invalid r0kh '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "r1kh") == 0) {
		if (add_r1kh(bss, pos) < 0) {
			wpa_printf(MSG_DEBUG, "Line %d: Invalid r1kh '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
		bss->pmk_r1_push = atoi(pos);
	} else if (os_strcmp(buf, "ft_over_ds") == 0) {
		bss->ft_over_ds = atoi(pos);
#endif /* CONFIG_IEEE80211R */
#ifndef CONFIG_NO_CTRL_IFACE
	} else if (os_strcmp(buf, "ctrl_interface") == 0) {
		os_free(bss->ctrl_interface);
		bss->ctrl_interface = os_strdup(pos);
	} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
#ifndef CONFIG_NATIVE_WINDOWS
		struct group *grp;
		char *endp;
		const char *group = pos;

		grp = getgrnam(group);
		if (grp) {
			bss->ctrl_interface_gid = grp->gr_gid;
			bss->ctrl_interface_gid_set = 1;
			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d (from group name '%s')",
				   bss->ctrl_interface_gid, group);
			return 0;
		}

		/* Group name not found - try to parse this as gid */
		bss->ctrl_interface_gid = strtol(group, &endp, 10);
		if (*group == '\0' || *endp != '\0') {
			wpa_printf(MSG_DEBUG, "Line %d: Invalid group '%s'",
				   line, group);
			return 1;
		}
		bss->ctrl_interface_gid_set = 1;
		wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
			   bss->ctrl_interface_gid);
#endif /* CONFIG_NATIVE_WINDOWS */
#endif /* CONFIG_NO_CTRL_IFACE */
#ifdef RADIUS_SERVER
	} else if (os_strcmp(buf, "radius_server_clients") == 0) {
		os_free(bss->radius_server_clients);
		bss->radius_server_clients = os_strdup(pos);
	} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
		bss->radius_server_auth_port = atoi(pos);
	} else if (os_strcmp(buf, "radius_server_acct_port") == 0) {
		bss->radius_server_acct_port = atoi(pos);
	} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
		bss->radius_server_ipv6 = atoi(pos);
#endif /* RADIUS_SERVER */
	} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
		bss->use_pae_group_addr = atoi(pos);
	} else if (os_strcmp(buf, "hw_mode") == 0) {
		if (os_strcmp(pos, "a") == 0)
			conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
		else if (os_strcmp(pos, "b") == 0)
			conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
		else if (os_strcmp(pos, "g") == 0)
			conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
		else if (os_strcmp(pos, "ad") == 0)
			conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
		else if (os_strcmp(pos, "any") == 0)
			conf->hw_mode = HOSTAPD_MODE_IEEE80211ANY;
		else {
			wpa_printf(MSG_ERROR, "Line %d: unknown hw_mode '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "wps_rf_bands") == 0) {
		if (os_strcmp(pos, "ad") == 0)
			bss->wps_rf_bands = WPS_RF_60GHZ;
		else if (os_strcmp(pos, "a") == 0)
			bss->wps_rf_bands = WPS_RF_50GHZ;
		else if (os_strcmp(pos, "g") == 0 ||
			 os_strcmp(pos, "b") == 0)
			bss->wps_rf_bands = WPS_RF_24GHZ;
		else if (os_strcmp(pos, "ag") == 0 ||
			 os_strcmp(pos, "ga") == 0)
			bss->wps_rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
		else {
			wpa_printf(MSG_ERROR,
				   "Line %d: unknown wps_rf_band '%s'",
				   line, pos);
			return 1;
		}
	} else if (os_strcmp(buf, "channel") == 0) {
		if (os_strcmp(pos, "acs_survey") == 0) {
#ifndef CONFIG_ACS
			wpa_printf(MSG_ERROR, "Line %d: tries to enable ACS but CONFIG_ACS disabled",
				   line);
			return 1;
#else /* CONFIG_ACS */
			conf->acs = 1;
			conf->channel = 0;
#endif /* CONFIG_ACS */
		} else {
			conf->channel = atoi(pos);
			conf->acs = conf->channel == 0;
		}
	} else if (os_strcmp(buf, "chanlist") == 0) {
		if (hostapd_parse_chanlist(conf, pos)) {
			wpa_printf(MSG_ERROR, "Line %d: invalid channel list",
				   line);
			return 1;
		}
	} else if (os_strcmp(buf, "beacon_int") == 0) {
		int val = atoi(pos);
		/* MIB defines range as 1..65535, but very small values
		 * cause problems with the current implementation.
		 * Since it is unlikely that this small numbers are
		 * useful in real life scenarios, do not allow beacon
		 * period to be set below 15 TU. */
		if (val < 15 || val > 65535) {
			wpa_printf(MSG_ERROR, "Line %d: invalid beacon_int %d (expected 15..65535)",
				   line, val);
			return 1;
		}
		conf->beacon_int = val;
#ifdef CONFIG_ACS
	} else if (os_strcmp(buf, "acs_num_scans") == 0) {
		int val = atoi(pos);
		if (val <= 0 || val > 100) {
			wpa_printf(MSG_ERROR, "Line %d: invalid acs_num_scans %d (expected 1..100)",
				   line, val);
			return 1;
		}
		conf->acs_num_scans = val;
	} else if (os_strcmp(buf, "acs_chan_bias") == 0) {
		if (hostapd_config_parse_acs_chan_bias(conf, pos)) {
			wpa_printf(MSG_ERROR, "Line %d: invalid acs_chan_bias",
				   line);
			return -1;
		}
#endif /* CONFIG_ACS */
	} else if (os_strcmp(buf, "dtim_period") == 0) {
		bss->dtim_period = atoi(pos);
		if (bss->dtim_period < 1 || bss->dtim_period > 255) {
			wpa_printf(MSG_ERROR, "Line %d: invalid dtim_period %d",
				   line, bss->dtim_period);
			return 1;
		}
	} else if (os_strcmp(buf, "bss_load_update_period") == 0) {
		bss->bss_load_update_period = atoi(pos);
		if (bss->bss_load_update_period < 0 ||
		    bss->bss_load_update_period > 100) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid bss_load_update_period %d",
				   line, bss->bss_load_update_period);
			return 1;
		}
	} else if (os_strcmp(buf, "rts_threshold") == 0) {
		conf->rts_threshold = atoi(pos);
		if (conf->rts_threshold < 0 || conf->rts_threshold > 2347) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid rts_threshold %d",
				   line, conf->rts_threshold);
			return 1;
		}
	} else if (os_strcmp(buf, "fragm_threshold") == 0) {
		conf->fragm_threshold = atoi(pos);
		if (conf->fragm_threshold < 256 ||
		    conf->fragm_threshold > 2346) {
			wpa_printf(MSG_ERROR,
				   "Line %d: invalid fragm_threshold %d",
				   line, conf->fragm_threshold);
			return 1;
		}
	} else if (os_strcmp(buf, "send_probe_response") == 0) {
		int val = atoi(pos);
		if (val != 0 && val != 1) {
			wpa_printf(MSG_ERROR, "Line %d: invalid send_probe_response %d (expected 0 or 1)",
				   line, val);
			return 1;
		}
		conf->send_probe_response = val;
	} else if (os_strcmp(buf, "supported_rates") == 0) {
		if (hostapd_parse_intlist(&conf->supported_rates, pos)) {
			wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
				   line);
			return 1;
		}
	} else if (os_strcmp(buf, "basic_rates") == 0) {
		if (hostapd_parse_intlist(&conf->basic_rates, pos)) {
			wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
				   line);
			return 1;
		}
	} else if (os_strcmp(buf, "preamble") == 0) {
		if (atoi(pos))
			conf->preamble = SHORT_PREAMBLE;
		else
			conf->preamble = LONG_PREAMBLE;
	} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
		bss->ignore_broadcast_ssid = atoi(pos);
	} else if (os_strcmp(buf, "wep_default_key") == 0) {
		bss