text: /*
   * 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;
  		vlan->vlan_desc.untagged = vlan_id;
  		vlan->vlan_desc.notempty = !!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);
  		os_memset(&(*acl)[*num].vlan_id, 0,
  			  sizeof((*acl)[*num].vlan_id));
  		(*acl)[*num].vlan_id.untagged = vlan_id;
  		(*acl)[*num].vlan_id.notempty = !!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,
  				   const char *name, const char *val)
  {
  	int num;
  	const 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, "[BF-ANTENNA-3]") &&
  	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
  		conf->vht_capab |= (2 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
  	if (os_strstr(capab, "[BF-ANTENNA-4]") &&
  	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
  		conf->vht_capab |= (3 << 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, "[SOUNDING-DIMENSION-3]") &&
  	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
  		conf->vht_capab |= (2 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
  	if (os_strstr(capab, "[SOUNDING-DIMENSION-4]") &&
  	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
  		conf->vht_capab |= (3 << 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_anqp_elem(struct hostapd_bss_config *bss, char *buf, int line)
  {
  	char *delim;
  	u16 infoid;
  	size_t len;
  	struct wpabuf *payload;
  	struct anqp_element *elem;
  
  	delim = os_strchr(buf, ':');
  	if (!delim)
  		return -1;
  	delim++;
  	infoid = atoi(buf);
  	len = os_strlen(delim);
  	if (len & 1)
  		return -1;
  	len /= 2;
  	payload = wpabuf_alloc(len);
  	if (!payload)
  		return -1;
  	if (hexstr2bin(delim, wpabuf_put(payload, len), len) < 0) {
  		wpabuf_free(payload);
  		return -1;
  	}
  
  	dl_list_for_each(elem, &bss->anqp_elem, struct anqp_element, list) {
  		if (elem->infoid == infoid) {
  			/* Update existing entry */
  			wpabuf_free(elem->payload);
  			elem->payload = payload;
  			return 0;
  		}
  	}
  
  	/* Add a new entry */
  	elem = os_zalloc(sizeof(*elem));
  	if (!elem) {
  		wpabuf_free(payload);
  		return -1;
  	}
  	elem->infoid = infoid;
  	elem->payload = payload;
  	dl_list_add(&bss->anqp_elem, &elem->list);
  
  	return 0;
  }
  
  
  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,
  			       const 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, "tls_session_lifetime") == 0) {
  		bss->tls_session_lifetime = 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, "ocsp_stapling_response_multi") == 0) {
  		os_free(bss->ocsp_stapling_response_multi);
  		bss->ocsp_stapling_response_multi = 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_db_timeout") == 0) {
  		bss->eap_sim_db_timeout = atoi(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 < -1 || conf->rts_threshold > 65535) {
  			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 == -1) {
  			/* allow a value of -1 */
  		} else 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, "beacon_rate") == 0) {
  		int val;
  
  		if (os_strncmp(pos, "ht:", 3) == 0) {
  			val = atoi(pos + 3);
  			if (val < 0 || val > 31) {
  				wpa_printf(MSG_ERROR,
  					   "Line %d: invalid beacon_rate HT-MCS %d",
  					   line, val);
  				return 1;
  			}
  			conf->rate_type = BEACON_RATE_HT;
  			conf->beacon_rate = val;
  		} else if (os_strncmp(pos, "vht:", 4) == 0) {
  			val = atoi(pos + 4);
  			if (val < 0 || val > 9) {
  				wpa_printf(MSG_ERROR,
  					   "Line %d: invalid beacon_rate VHT-MCS %d",
  					   line, val);
  				return 1;
  			}
  			conf->rate_type = BEACON_RATE_VHT;
  			conf->beacon_rate = val;
  		} else {
  			val = atoi(pos);
  			if (val < 10 || val > 10000) {
  				wpa_printf(MSG_ERROR,
  					   "Line %d: invalid legacy beacon_rate %d",
  					   line, val);
  				return 1;
  			}
  			conf->rate_type = BEACON_RATE_LEGACY;
  			conf->beacon_rate = val;
  		}
  	} 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, "no_probe_resp_if_max_sta") == 0) {
  		bss->no_probe_resp_if_max_sta = atoi(pos);
  	} else if (os_strcmp(buf, "wep_default_key") == 0) {
  		bss->ssid.wep.idx = atoi(pos);
  		if (bss->ssid.wep.idx > 3) {
  			wpa_printf(MSG_ERROR,
  				   "Invalid wep_default_key index %d",
  				   bss->ssid.wep.idx);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "wep_key0") == 0 ||
  		   os_strcmp(buf, "wep_key1") == 0 ||
  		   os_strcmp(buf, "wep_key2") == 0 ||
  		   os_strcmp(buf, "wep_key3") == 0) {
  		if (hostapd_config_read_wep(&bss->ssid.wep,
  					    buf[7] - '0', pos)) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid WEP key '%s'",
  				   line, buf);
  			return 1;
  		}
  #ifndef CONFIG_NO_VLAN
  	} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
  		bss->ssid.dynamic_vlan = atoi(pos);
  	} else if (os_strcmp(buf, "per_sta_vif") == 0) {
  		bss->ssid.per_sta_vif = atoi(pos);
  	} else if (os_strcmp(buf, "vlan_file") == 0) {
  		if (hostapd_config_read_vlan_file(bss, pos)) {
  			wpa_printf(MSG_ERROR, "Line %d: failed to read VLAN file '%s'",
  				   line, pos);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "vlan_naming") == 0) {
  		bss->ssid.vlan_naming = atoi(pos);
  		if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
  		    bss->ssid.vlan_naming < 0) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: invalid naming scheme %d",
  				   line, bss->ssid.vlan_naming);
  			return 1;
  		}
  #ifdef CONFIG_FULL_DYNAMIC_VLAN
  	} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
  		os_free(bss->ssid.vlan_tagged_interface);
  		bss->ssid.vlan_tagged_interface = os_strdup(pos);
  #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  #endif /* CONFIG_NO_VLAN */
  	} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
  		conf->ap_table_max_size = atoi(pos);
  	} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
  		conf->ap_table_expiration_time = atoi(pos);
  	} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
  		if (hostapd_config_tx_queue(conf, buf, pos)) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid TX queue item",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "wme_enabled") == 0 ||
  		   os_strcmp(buf, "wmm_enabled") == 0) {
  		bss->wmm_enabled = atoi(pos);
  	} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
  		bss->wmm_uapsd = atoi(pos);
  	} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
  		   os_strncmp(buf, "wmm_ac_", 7) == 0) {
  		if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf, pos)) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid WMM ac item",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "bss") == 0) {
  		if (hostapd_config_bss(conf, pos)) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid bss item",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "bssid") == 0) {
  		if (hwaddr_aton(pos, bss->bssid)) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid bssid item",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "use_driver_iface_addr") == 0) {
  		conf->use_driver_iface_addr = atoi(pos);
  #ifdef CONFIG_IEEE80211W
  	} else if (os_strcmp(buf, "ieee80211w") == 0) {
  		bss->ieee80211w = atoi(pos);
  	} else if (os_strcmp(buf, "group_mgmt_cipher") == 0) {
  		if (os_strcmp(pos, "AES-128-CMAC") == 0) {
  			bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC;
  		} else if (os_strcmp(pos, "BIP-GMAC-128") == 0) {
  			bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_128;
  		} else if (os_strcmp(pos, "BIP-GMAC-256") == 0) {
  			bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_256;
  		} else if (os_strcmp(pos, "BIP-CMAC-256") == 0) {
  			bss->group_mgmt_cipher = WPA_CIPHER_BIP_CMAC_256;
  		} else {
  			wpa_printf(MSG_ERROR, "Line %d: invalid group_mgmt_cipher: %s",
  				   line, pos);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
  		bss->assoc_sa_query_max_timeout = atoi(pos);
  		if (bss->assoc_sa_query_max_timeout == 0) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_max_timeout",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0) {
  		bss->assoc_sa_query_retry_timeout = atoi(pos);
  		if (bss->assoc_sa_query_retry_timeout == 0) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_retry_timeout",
  				   line);
  			return 1;
  		}
  #endif /* CONFIG_IEEE80211W */
  #ifdef CONFIG_IEEE80211N
  	} else if (os_strcmp(buf, "ieee80211n") == 0) {
  		conf->ieee80211n = atoi(pos);
  	} else if (os_strcmp(buf, "ht_capab") == 0) {
  		if (hostapd_config_ht_capab(conf, pos) < 0) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid ht_capab",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "require_ht") == 0) {
  		conf->require_ht = atoi(pos);
  	} else if (os_strcmp(buf, "obss_interval") == 0) {
  		conf->obss_interval = atoi(pos);
  #endif /* CONFIG_IEEE80211N */
  #ifdef CONFIG_IEEE80211AC
  	} else if (os_strcmp(buf, "ieee80211ac") == 0) {
  		conf->ieee80211ac = atoi(pos);
  	} else if (os_strcmp(buf, "vht_capab") == 0) {
  		if (hostapd_config_vht_capab(conf, pos) < 0) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid vht_capab",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "require_vht") == 0) {
  		conf->require_vht = atoi(pos);
  	} else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
  		conf->vht_oper_chwidth = atoi(pos);
  	} else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0) {
  		conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
  	} else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0) {
  		conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
  	} else if (os_strcmp(buf, "vendor_vht") == 0) {
  		bss->vendor_vht = atoi(pos);
  #endif /* CONFIG_IEEE80211AC */
  #ifdef CONFIG_IEEE80211AX
  	} else if (os_strcmp(buf, "ieee80211ax") == 0) {
  		conf->ieee80211ax = atoi(pos);
  	} else if (os_strcmp(buf, "he_su_beamformer") == 0) {
  		conf->he_phy_capab.he_su_beamformer = atoi(pos);
  	} else if (os_strcmp(buf, "he_su_beamformee") == 0) {
  		conf->he_phy_capab.he_su_beamformee = atoi(pos);
  	} else if (os_strcmp(buf, "he_mu_beamformer") == 0) {
  		conf->he_phy_capab.he_mu_beamformer = atoi(pos);
  	} else if (os_strcmp(buf, "he_bss_color") == 0) {
  		conf->he_op.he_bss_color = atoi(pos);
  	} else if (os_strcmp(buf, "he_default_pe_duration") == 0) {
  		conf->he_op.he_default_pe_duration = atoi(pos);
  	} else if (os_strcmp(buf, "he_twt_required") == 0) {
  		conf->he_op.he_twt_required = atoi(pos);
  	} else if (os_strcmp(buf, "he_rts_threshold") == 0) {
  		conf->he_op.he_rts_threshold = atoi(pos);
  #endif /* CONFIG_IEEE80211AX */
  	} else if (os_strcmp(buf, "max_listen_interval") == 0) {
  		bss->max_listen_interval = atoi(pos);
  	} else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
  		bss->disable_pmksa_caching = atoi(pos);
  	} else if (os_strcmp(buf, "okc") == 0) {
  		bss->okc = atoi(pos);
  #ifdef CONFIG_WPS
  	} else if (os_strcmp(buf, "wps_state") == 0) {
  		bss->wps_state = atoi(pos);
  		if (bss->wps_state < 0 || bss->wps_state > 2) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid wps_state",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "wps_independent") == 0) {
  		bss->wps_independent = atoi(pos);
  	} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
  		bss->ap_setup_locked = atoi(pos);
  	} else if (os_strcmp(buf, "uuid") == 0) {
  		if (uuid_str2bin(pos, bss->uuid)) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
  		os_free(bss->wps_pin_requests);
  		bss->wps_pin_requests = os_strdup(pos);
  	} else if (os_strcmp(buf, "device_name") == 0) {
  		if (os_strlen(pos) > WPS_DEV_NAME_MAX_LEN) {
  			wpa_printf(MSG_ERROR, "Line %d: Too long "
  				   "device_name", line);
  			return 1;
  		}
  		os_free(bss->device_name);
  		bss->device_name = os_strdup(pos);
  	} else if (os_strcmp(buf, "manufacturer") == 0) {
  		if (os_strlen(pos) > 64) {
  			wpa_printf(MSG_ERROR, "Line %d: Too long manufacturer",
  				   line);
  			return 1;
  		}
  		os_free(bss->manufacturer);
  		bss->manufacturer = os_strdup(pos);
  	} else if (os_strcmp(buf, "model_name") == 0) {
  		if (os_strlen(pos) > 32) {
  			wpa_printf(MSG_ERROR, "Line %d: Too long model_name",
  				   line);
  			return 1;
  		}
  		os_free(bss->model_name);
  		bss->model_name = os_strdup(pos);
  	} else if (os_strcmp(buf, "model_number") == 0) {
  		if (os_strlen(pos) > 32) {
  			wpa_printf(MSG_ERROR, "Line %d: Too long model_number",
  				   line);
  			return 1;
  		}
  		os_free(bss->model_number);
  		bss->model_number = os_strdup(pos);
  	} else if (os_strcmp(buf, "serial_number") == 0) {
  		if (os_strlen(pos) > 32) {
  			wpa_printf(MSG_ERROR, "Line %d: Too long serial_number",
  				   line);
  			return 1;
  		}
  		os_free(bss->serial_number);
  		bss->serial_number = os_strdup(pos);
  	} else if (os_strcmp(buf, "device_type") == 0) {
  		if (wps_dev_type_str2bin(pos, bss->device_type))
  			return 1;
  	} else if (os_strcmp(buf, "config_methods") == 0) {
  		os_free(bss->config_methods);
  		bss->config_methods = os_strdup(pos);
  	} else if (os_strcmp(buf, "os_version") == 0) {
  		if (hexstr2bin(pos, bss->os_version, 4)) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid os_version",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "ap_pin") == 0) {
  		os_free(bss->ap_pin);
  		bss->ap_pin = os_strdup(pos);
  	} else if (os_strcmp(buf, "skip_cred_build") == 0) {
  		bss->skip_cred_build = atoi(pos);
  	} else if (os_strcmp(buf, "extra_cred") == 0) {
  		os_free(bss->extra_cred);
  		bss->extra_cred = (u8 *) os_readfile(pos, &bss->extra_cred_len);
  		if (bss->extra_cred == NULL) {
  			wpa_printf(MSG_ERROR, "Line %d: could not read Credentials from '%s'",
  				   line, pos);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
  		bss->wps_cred_processing = atoi(pos);
  	} else if (os_strcmp(buf, "ap_settings") == 0) {
  		os_free(bss->ap_settings);
  		bss->ap_settings =
  			(u8 *) os_readfile(pos, &bss->ap_settings_len);
  		if (bss->ap_settings == NULL) {
  			wpa_printf(MSG_ERROR, "Line %d: could not read AP Settings from '%s'",
  				   line, pos);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "upnp_iface") == 0) {
  		os_free(bss->upnp_iface);
  		bss->upnp_iface = os_strdup(pos);
  	} else if (os_strcmp(buf, "friendly_name") == 0) {
  		os_free(bss->friendly_name);
  		bss->friendly_name = os_strdup(pos);
  	} else if (os_strcmp(buf, "manufacturer_url") == 0) {
  		os_free(bss->manufacturer_url);
  		bss->manufacturer_url = os_strdup(pos);
  	} else if (os_strcmp(buf, "model_description") == 0) {
  		os_free(bss->model_description);
  		bss->model_description = os_strdup(pos);
  	} else if (os_strcmp(buf, "model_url") == 0) {
  		os_free(bss->model_url);
  		bss->model_url = os_strdup(pos);
  	} else if (os_strcmp(buf, "upc") == 0) {
  		os_free(bss->upc);
  		bss->upc = os_strdup(pos);
  	} else if (os_strcmp(buf, "pbc_in_m1") == 0) {
  		bss->pbc_in_m1 = atoi(pos);
  	} else if (os_strcmp(buf, "server_id") == 0) {
  		os_free(bss->server_id);
  		bss->server_id = os_strdup(pos);
  #ifdef CONFIG_WPS_NFC
  	} else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
  		bss->wps_nfc_dev_pw_id = atoi(pos);
  		if (bss->wps_nfc_dev_pw_id < 0x10 ||
  		    bss->wps_nfc_dev_pw_id > 0xffff) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid wps_nfc_dev_pw_id value",
  				   line);
  			return 1;
  		}
  		bss->wps_nfc_pw_from_config = 1;
  	} else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
  		wpabuf_free(bss->wps_nfc_dh_pubkey);
  		bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
  		bss->wps_nfc_pw_from_config = 1;
  	} else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
  		wpabuf_free(bss->wps_nfc_dh_privkey);
  		bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
  		bss->wps_nfc_pw_from_config = 1;
  	} else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
  		wpabuf_free(bss->wps_nfc_dev_pw);
  		bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
  		bss->wps_nfc_pw_from_config = 1;
  #endif /* CONFIG_WPS_NFC */
  #endif /* CONFIG_WPS */
  #ifdef CONFIG_P2P_MANAGER
  	} else if (os_strcmp(buf, "manage_p2p") == 0) {
  		if (atoi(pos))
  			bss->p2p |= P2P_MANAGE;
  		else
  			bss->p2p &= ~P2P_MANAGE;
  	} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
  		if (atoi(pos))
  			bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
  		else
  			bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
  #endif /* CONFIG_P2P_MANAGER */
  	} else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
  		bss->disassoc_low_ack = atoi(pos);
  	} else if (os_strcmp(buf, "tdls_prohibit") == 0) {
  		if (atoi(pos))
  			bss->tdls |= TDLS_PROHIBIT;
  		else
  			bss->tdls &= ~TDLS_PROHIBIT;
  	} else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
  		if (atoi(pos))
  			bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
  		else
  			bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
  #ifdef CONFIG_RSN_TESTING
  	} else if (os_strcmp(buf, "rsn_testing") == 0) {
  		extern int rsn_testing;
  		rsn_testing = atoi(pos);
  #endif /* CONFIG_RSN_TESTING */
  	} else if (os_strcmp(buf, "time_advertisement") == 0) {
  		bss->time_advertisement = atoi(pos);
  	} else if (os_strcmp(buf, "time_zone") == 0) {
  		size_t tz_len = os_strlen(pos);
  		if (tz_len < 4 || tz_len > 255) {
  			wpa_printf(MSG_DEBUG, "Line %d: invalid time_zone",
  				   line);
  			return 1;
  		}
  		os_free(bss->time_zone);
  		bss->time_zone = os_strdup(pos);
  		if (bss->time_zone == NULL)
  			return 1;
  #ifdef CONFIG_WNM
  	} else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
  		bss->wnm_sleep_mode = atoi(pos);
  	} else if (os_strcmp(buf, "bss_transition") == 0) {
  		bss->bss_transition = atoi(pos);
  #endif /* CONFIG_WNM */
  #ifdef CONFIG_INTERWORKING
  	} else if (os_strcmp(buf, "interworking") == 0) {
  		bss->interworking = atoi(pos);
  	} else if (os_strcmp(buf, "access_network_type") == 0) {
  		bss->access_network_type = atoi(pos);
  		if (bss->access_network_type < 0 ||
  		    bss->access_network_type > 15) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: invalid access_network_type",
  				   line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "internet") == 0) {
  		bss->internet = atoi(pos);
  	} else if (os_strcmp(buf, "asra") == 0) {
  		bss->asra = atoi(pos);
  	} else if (os_strcmp(buf, "esr") == 0) {
  		bss->esr = atoi(pos);
  	} else if (os_strcmp(buf, "uesa") == 0) {
  		bss->uesa = atoi(pos);
  	} else if (os_strcmp(buf, "venue_group") == 0) {
  		bss->venue_group = atoi(pos);
  		bss->venue_info_set = 1;
  	} else if (os_strcmp(buf, "venue_type") == 0) {
  		bss->venue_type = atoi(pos);
  		bss->venue_info_set = 1;
  	} else if (os_strcmp(buf, "hessid") == 0) {
  		if (hwaddr_aton(pos, bss->hessid)) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid hessid", line);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "roaming_consortium") == 0) {
  		if (parse_roaming_consortium(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "venue_name") == 0) {
  		if (parse_venue_name(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "network_auth_type") == 0) {
  		u8 auth_type;
  		u16 redirect_url_len;
  		if (hexstr2bin(pos, &auth_type, 1)) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid network_auth_type '%s'",
  				   line, pos);
  			return 1;
  		}
  		if (auth_type == 0 || auth_type == 2)
  			redirect_url_len = os_strlen(pos + 2);
  		else
  			redirect_url_len = 0;
  		os_free(bss->network_auth_type);
  		bss->network_auth_type = os_malloc(redirect_url_len + 3 + 1);
  		if (bss->network_auth_type == NULL)
  			return 1;
  		*bss->network_auth_type = auth_type;
  		WPA_PUT_LE16(bss->network_auth_type + 1, redirect_url_len);
  		if (redirect_url_len)
  			os_memcpy(bss->network_auth_type + 3, pos + 2,
  				  redirect_url_len);
  		bss->network_auth_type_len = 3 + redirect_url_len;
  	} else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
  		if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1)) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid ipaddr_type_availability '%s'",
  				   line, pos);
  			bss->ipaddr_type_configured = 0;
  			return 1;
  		}
  		bss->ipaddr_type_configured = 1;
  	} else if (os_strcmp(buf, "domain_name") == 0) {
  		int j, num_domains, domain_len, domain_list_len = 0;
  		char *tok_start, *tok_prev;
  		u8 *domain_list, *domain_ptr;
  
  		domain_list_len = os_strlen(pos) + 1;
  		domain_list = os_malloc(domain_list_len);
  		if (domain_list == NULL)
  			return 1;
  
  		domain_ptr = domain_list;
  		tok_prev = pos;
  		num_domains = 1;
  		while ((tok_prev = os_strchr(tok_prev, ','))) {
  			num_domains++;
  			tok_prev++;
  		}
  		tok_prev = pos;
  		for (j = 0; j < num_domains; j++) {
  			tok_start = os_strchr(tok_prev, ',');
  			if (tok_start) {
  				domain_len = tok_start - tok_prev;
  				*domain_ptr = domain_len;
  				os_memcpy(domain_ptr + 1, tok_prev, domain_len);
  				domain_ptr += domain_len + 1;
  				tok_prev = ++tok_start;
  			} else {
  				domain_len = os_strlen(tok_prev);
  				*domain_ptr = domain_len;
  				os_memcpy(domain_ptr + 1, tok_prev, domain_len);
  				domain_ptr += domain_len + 1;
  			}
  		}
  
  		os_free(bss->domain_name);
  		bss->domain_name = domain_list;
  		bss->domain_name_len = domain_list_len;
  	} else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
  		if (parse_3gpp_cell_net(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "nai_realm") == 0) {
  		if (parse_nai_realm(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "anqp_elem") == 0) {
  		if (parse_anqp_elem(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "gas_frag_limit") == 0) {
  		bss->gas_frag_limit = atoi(pos);
  	} else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
  		bss->gas_comeback_delay = atoi(pos);
  	} else if (os_strcmp(buf, "qos_map_set") == 0) {
  		if (parse_qos_map_set(bss, pos, line) < 0)
  			return 1;
  #endif /* CONFIG_INTERWORKING */
  #ifdef CONFIG_RADIUS_TEST
  	} else if (os_strcmp(buf, "dump_msk_file") == 0) {
  		os_free(bss->dump_msk_file);
  		bss->dump_msk_file = os_strdup(pos);
  #endif /* CONFIG_RADIUS_TEST */
  #ifdef CONFIG_PROXYARP
  	} else if (os_strcmp(buf, "proxy_arp") == 0) {
  		bss->proxy_arp = atoi(pos);
  #endif /* CONFIG_PROXYARP */
  #ifdef CONFIG_HS20
  	} else if (os_strcmp(buf, "hs20") == 0) {
  		bss->hs20 = atoi(pos);
  	} else if (os_strcmp(buf, "disable_dgaf") == 0) {
  		bss->disable_dgaf = atoi(pos);
  	} else if (os_strcmp(buf, "na_mcast_to_ucast") == 0) {
  		bss->na_mcast_to_ucast = atoi(pos);
  	} else if (os_strcmp(buf, "osen") == 0) {
  		bss->osen = atoi(pos);
  	} else if (os_strcmp(buf, "anqp_domain_id") == 0) {
  		bss->anqp_domain_id = atoi(pos);
  	} else if (os_strcmp(buf, "hs20_deauth_req_timeout") == 0) {
  		bss->hs20_deauth_req_timeout = atoi(pos);
  	} else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
  		if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
  		if (hs20_parse_wan_metrics(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
  		if (hs20_parse_conn_capab(bss, pos, line) < 0) {
  			return 1;
  		}
  	} else if (os_strcmp(buf, "hs20_operating_class") == 0) {
  		u8 *oper_class;
  		size_t oper_class_len;
  		oper_class_len = os_strlen(pos);
  		if (oper_class_len < 2 || (oper_class_len & 0x01)) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid hs20_operating_class '%s'",
  				   line, pos);
  			return 1;
  		}
  		oper_class_len /= 2;
  		oper_class = os_malloc(oper_class_len);
  		if (oper_class == NULL)
  			return 1;
  		if (hexstr2bin(pos, oper_class, oper_class_len)) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid hs20_operating_class '%s'",
  				   line, pos);
  			os_free(oper_class);
  			return 1;
  		}
  		os_free(bss->hs20_operating_class);
  		bss->hs20_operating_class = oper_class;
  		bss->hs20_operating_class_len = oper_class_len;
  	} else if (os_strcmp(buf, "hs20_icon") == 0) {
  		if (hs20_parse_icon(bss, pos) < 0) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_icon '%s'",
  				   line, pos);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "osu_ssid") == 0) {
  		if (hs20_parse_osu_ssid(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "osu_server_uri") == 0) {
  		if (hs20_parse_osu_server_uri(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "osu_friendly_name") == 0) {
  		if (hs20_parse_osu_friendly_name(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "osu_nai") == 0) {
  		if (hs20_parse_osu_nai(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "osu_method_list") == 0) {
  		if (hs20_parse_osu_method_list(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "osu_icon") == 0) {
  		if (hs20_parse_osu_icon(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "osu_service_desc") == 0) {
  		if (hs20_parse_osu_service_desc(bss, pos, line) < 0)
  			return 1;
  	} else if (os_strcmp(buf, "subscr_remediation_url") == 0) {
  		os_free(bss->subscr_remediation_url);
  		bss->subscr_remediation_url = os_strdup(pos);
  	} else if (os_strcmp(buf, "subscr_remediation_method") == 0) {
  		bss->subscr_remediation_method = atoi(pos);
  #endif /* CONFIG_HS20 */
  #ifdef CONFIG_MBO
  	} else if (os_strcmp(buf, "mbo") == 0) {
  		bss->mbo_enabled = atoi(pos);
  #endif /* CONFIG_MBO */
  #ifdef CONFIG_TESTING_OPTIONS
  #define PARSE_TEST_PROBABILITY(_val)				\
  	} else if (os_strcmp(buf, #_val) == 0) {		\
  		char *end;					\
  								\
  		conf->_val = strtod(pos, &end);			\
  		if (*end || conf->_val < 0.0 ||			\
  		    conf->_val > 1.0) {				\
  			wpa_printf(MSG_ERROR,			\
  				   "Line %d: Invalid value '%s'", \
  				   line, pos);			\
  			return 1;				\
  		}
  	PARSE_TEST_PROBABILITY(ignore_probe_probability)
  	PARSE_TEST_PROBABILITY(ignore_auth_probability)
  	PARSE_TEST_PROBABILITY(ignore_assoc_probability)
  	PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
  	PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
  	} else if (os_strcmp(buf, "ecsa_ie_only") == 0) {
  		conf->ecsa_ie_only = atoi(pos);
  	} else if (os_strcmp(buf, "bss_load_test") == 0) {
  		WPA_PUT_LE16(bss->bss_load_test, atoi(pos));
  		pos = os_strchr(pos, ':');
  		if (pos == NULL) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
  				   line);
  			return 1;
  		}
  		pos++;
  		bss->bss_load_test[2] = atoi(pos);
  		pos = os_strchr(pos, ':');
  		if (pos == NULL) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
  				   line);
  			return 1;
  		}
  		pos++;
  		WPA_PUT_LE16(&bss->bss_load_test[3], atoi(pos));
  		bss->bss_load_test_set = 1;
  	} else if (os_strcmp(buf, "radio_measurements") == 0) {
  		bss->radio_measurements = atoi(pos);
  	} else if (os_strcmp(buf, "own_ie_override") == 0) {
  		struct wpabuf *tmp;
  		size_t len = os_strlen(pos) / 2;
  
  		tmp = wpabuf_alloc(len);
  		if (!tmp)
  			return 1;
  
  		if (hexstr2bin(pos, wpabuf_put(tmp, len), len)) {
  			wpabuf_free(tmp);
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid own_ie_override '%s'",
  				   line, pos);
  			return 1;
  		}
  
  		wpabuf_free(bss->own_ie_override);
  		bss->own_ie_override = tmp;
  #endif /* CONFIG_TESTING_OPTIONS */
  	} else if (os_strcmp(buf, "vendor_elements") == 0) {
  		struct wpabuf *elems;
  		size_t len = os_strlen(pos);
  		if (len & 0x01) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid vendor_elements '%s'",
  				   line, pos);
  			return 1;
  		}
  		len /= 2;
  		if (len == 0) {
  			wpabuf_free(bss->vendor_elements);
  			bss->vendor_elements = NULL;
  			return 0;
  		}
  
  		elems = wpabuf_alloc(len);
  		if (elems == NULL)
  			return 1;
  
  		if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
  			wpabuf_free(elems);
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid vendor_elements '%s'",
  				   line, pos);
  			return 1;
  		}
  
  		wpabuf_free(bss->vendor_elements);
  		bss->vendor_elements = elems;
  	} else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
  		bss->sae_anti_clogging_threshold = atoi(pos);
  	} else if (os_strcmp(buf, "sae_groups") == 0) {
  		if (hostapd_parse_intlist(&bss->sae_groups, pos)) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid sae_groups value '%s'",
  				   line, pos);
  			return 1;
  		}
  	} else if (os_strcmp(buf, "local_pwr_constraint") == 0) {
  		int val = atoi(pos);
  		if (val < 0 || val > 255) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid local_pwr_constraint %d (expected 0..255)",
  				   line, val);
  			return 1;
  		}
  		conf->local_pwr_constraint = val;
  	} else if (os_strcmp(buf, "spectrum_mgmt_required") == 0) {
  		conf->spectrum_mgmt_required = atoi(pos);
  	} else if (os_strcmp(buf, "wowlan_triggers") == 0) {
  		os_free(bss->wowlan_triggers);
  		bss->wowlan_triggers = os_strdup(pos);
  #ifdef CONFIG_FST
  	} else if (os_strcmp(buf, "fst_group_id") == 0) {
  		size_t len = os_strlen(pos);
  
  		if (!len || len >= sizeof(conf->fst_cfg.group_id)) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid fst_group_id value '%s'",
  				   line, pos);
  			return 1;
  		}
  
  		if (conf->fst_cfg.group_id[0]) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Duplicate fst_group value '%s'",
  				   line, pos);
  			return 1;
  		}
  
  		os_strlcpy(conf->fst_cfg.group_id, pos,
  			   sizeof(conf->fst_cfg.group_id));
  	} else if (os_strcmp(buf, "fst_priority") == 0) {
  		char *endp;
  		long int val;
  
  		if (!*pos) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: fst_priority value not supplied (expected 1..%u)",
  				   line, FST_MAX_PRIO_VALUE);
  			return -1;
  		}
  
  		val = strtol(pos, &endp, 0);
  		if (*endp || val < 1 || val > FST_MAX_PRIO_VALUE) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid fst_priority %ld (%s) (expected 1..%u)",
  				   line, val, pos, FST_MAX_PRIO_VALUE);
  			return 1;
  		}
  		conf->fst_cfg.priority = (u8) val;
  	} else if (os_strcmp(buf, "fst_llt") == 0) {
  		char *endp;
  		long int val;
  
  		if (!*pos) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: fst_llt value not supplied (expected 1..%u)",
  				   line, FST_MAX_LLT_MS);
  			return -1;
  		}
  		val = strtol(pos, &endp, 0);
  		if (*endp || val < 1 ||
  		    (unsigned long int) val > FST_MAX_LLT_MS) {
  			wpa_printf(MSG_ERROR,
  				   "Line %d: Invalid fst_llt %ld (%s) (expected 1..%u)",
  				   line, val, pos, FST_MAX_LLT_MS);
  			return 1;
  		}
  		conf->fst_cfg.llt = (u32) val;
  #endif /* CONFIG_FST */
  	} else if (os_strcmp(buf, "track_sta_max_num") == 0) {
  		conf->track_sta_max_num = atoi(pos);
  	} else if (os_strcmp(buf, "track_sta_max_age") == 0) {
  		conf->track_sta_max_age = atoi(pos);
  	} else if (os_strcmp(buf, "no_probe_resp_if_seen_on") == 0) {
  		os_free(bss->no_probe_resp_if_seen_on);
  		bss->no_probe_resp_if_seen_on = os_strdup(pos);
  	} else if (os_strcmp(buf, "no_auth_if_seen_on") == 0) {
  		os_free(bss->no_auth_if_seen_on);
  		bss->no_auth_if_seen_on = os_strdup(pos);
  	} else {
  		wpa_printf(MSG_ERROR,
  			   "Line %d: unknown configuration item '%s'",
  			   line, buf);
  		return 1;
  	}
  
  	return 0;
  }
  
  
  /**
   * hostapd_config_read - Read and parse a configuration file
   * @fname: Configuration file name (including path, if needed)
   * Returns: Allocated configuration data structure
   */
  struct hostapd_config * hostapd_config_read(const char *fname)
  {
  	struct hostapd_config *conf;
  	FILE *f;
  	char buf[4096], *pos;
  	int line = 0;
  	int errors = 0;
  	size_t i;
  
  	f = fopen(fname, "r");
  	if (f == NULL) {
  		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
  			   "for reading.", fname);
  		return NULL;
  	}
  
  	conf = hostapd_config_defaults();
  	if (conf == NULL) {
  		fclose(f);
  		return NULL;
  	}
  
  	/* set default driver based on configuration */
  	conf->driver = wpa_drivers[0];
  	if (conf->driver == NULL) {
  		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
  		hostapd_config_free(conf);
  		fclose(f);
  		return NULL;
  	}
  
  	conf->last_bss = conf->bss[0];
  
  	while (fgets(buf, sizeof(buf), f)) {
  		struct hostapd_bss_config *bss;
  
  		bss = conf->last_bss;
  		line++;
  
  		if (buf[0] == '#')
  			continue;
  		pos = buf;
  		while (*pos != '\0') {
  			if (*pos == '\n') {
  				*pos = '\0';
  				break;
  			}
  			pos++;
  		}
  		if (buf[0] == '\0')
  			continue;
  
  		pos = os_strchr(buf, '=');
  		if (pos == NULL) {
  			wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
  				   line, buf);
  			errors++;
  			continue;
  		}
  		*pos = '\0';
  		pos++;
  		errors += hostapd_config_fill(conf, bss, buf, pos, line);
  	}
  
  	fclose(f);
  
  	for (i = 0; i < conf->num_bss; i++)
  		hostapd_set_security_params(conf->bss[i], 1);
  
  	if (hostapd_config_check(conf, 1))
  		errors++;
  
  #ifndef WPA_IGNORE_CONFIG_ERRORS
  	if (errors) {
  		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
  			   "'%s'", errors, fname);
  		hostapd_config_free(conf);
  		conf = NULL;
  	}
  #endif /* WPA_IGNORE_CONFIG_ERRORS */
  
  	return conf;
  }
  
  
  int hostapd_set_iface(struct hostapd_config *conf,
  		      struct hostapd_bss_config *bss, const char *field,
  		      char *value)
  {
  	int errors;
  	size_t i;
  
  	errors = hostapd_config_fill(conf, bss, field, value, 0);
  	if (errors) {
  		wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
  			   "to value '%s'", field, value);
  		return -1;
  	}
  
  	for (i = 0; i < conf->num_bss; i++)
  		hostapd_set_security_params(conf->bss[i], 0);
  
  	if (hostapd_config_check(conf, 0)) {
  		wpa_printf(MSG_ERROR, "Configuration check failed");
  		return -1;
  	}
  
  	return 0;
  }
  