contrib: drop libiwinfo, moved to OpenWrt trunk

1 files changed, 0 insertions, 1630 deletions

diff --git a/contrib/package/iwinfo/src/iwinfo_nl80211.c b/contrib/package/iwinfo/src/iwinfo_nl80211.c
deleted file mode 100644
index b3da8384e7..0000000000
--- a/contrib/package/iwinfo/src/iwinfo_nl80211.c
+++ /dev/null
@@ -1,1630 +0,0 @@
-/*
- * iwinfo - Wireless Information Library - NL80211 Backend
- *
- *   Copyright (C) 2010 Jo-Philipp Wich <xm@subsignal.org>
- *
- * The iwinfo library is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * The iwinfo library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
- *
- * The signal handling code is derived from the official madwifi tools,
- * wlanconfig.c in particular. The encryption property handling was
- * inspired by the hostapd madwifi driver.
- *
- * Parts of this code are derived from the Linux iw utility.
- */
-
-#include "iwinfo/nl80211.h"
-#include "iwinfo/wext.h"
-
-#define min(x, y) ((x) < (y)) ? (x) : (y)
-
-static struct nl80211_state *nls = NULL;
-
-static int nl80211_init(void)
-{
-	int err, fd;
-
-	if (!nls)
-	{
-		nls = malloc(sizeof(struct nl80211_state));
-		if (!nls) {
-			err = -ENOMEM;
-			goto err;
-		}
-
-		nls->nl_sock = nl_socket_alloc();
-		if (!nls->nl_sock) {
-			err = -ENOMEM;
-			goto err;
-		}
-
-		if( genl_connect(nls->nl_sock)) {
-			err = -ENOLINK;
-			goto err;
-		}
-
-		fd = nl_socket_get_fd(nls->nl_sock);
-		if (fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC) < 0)
-		{
-			err = -EINVAL;
-			goto err;
-		}
-
-		if( genl_ctrl_alloc_cache(nls->nl_sock, &nls->nl_cache)) {
-			err = -ENOMEM;
-			goto err;
-		}
-
-		nls->nl80211 = genl_ctrl_search_by_name(nls->nl_cache, "nl80211");
-		if (!nls->nl80211)
-		{
-			err = -ENOENT;
-			goto err;
-		}
-	}
-
-	return 0;
-
-
-err:
-	nl80211_close();
-	return err;
-}
-
-static int nl80211_msg_error(struct sockaddr_nl *nla,
-	struct nlmsgerr *err, void *arg)
-{
-	int *ret = arg;
-	*ret = err->error;
-	return NL_STOP;
-}
-
-static int nl80211_msg_finish(struct nl_msg *msg, void *arg)
-{
-	int *ret = arg;
-	*ret = 0;
-	return NL_SKIP;
-}
-
-static int nl80211_msg_ack(struct nl_msg *msg, void *arg)
-{
-	int *ret = arg;
-	*ret = 0;
-	return NL_STOP;
-}
-
-static int nl80211_msg_response(struct nl_msg *msg, void *arg)
-{
-	return NL_SKIP;
-}
-
-static void nl80211_free(struct nl80211_msg_conveyor *cv)
-{
-	if (cv)
-	{
-		if (cv->cb)
-			nl_cb_put(cv->cb);
-
-		if (cv->msg)
-			nlmsg_free(cv->msg);
-
-		cv->cb  = NULL;
-		cv->msg = NULL;
-	}
-}
-
-static struct nl80211_msg_conveyor * nl80211_msg(const char *ifname, int cmd, int flags)
-{
-	static struct nl80211_msg_conveyor cv;
-
-	int ifidx = -1, phyidx = -1;
-	struct nl_msg *req = NULL;
-	struct nl_cb *cb = NULL;
-
-	if (nl80211_init() < 0)
-		goto err;
-
-	if (!strncmp(ifname, "phy", 3))
-		phyidx = atoi(&ifname[3]);
-	else if (!strncmp(ifname, "radio", 5))
-		phyidx = atoi(&ifname[5]);
-	else if (!strncmp(ifname, "mon.", 4))
-		ifidx = if_nametoindex(&ifname[4]);
-	else
-		ifidx = if_nametoindex(ifname);
-
-	if ((ifidx < 0) && (phyidx < 0))
-		return NULL;
-
-	req = nlmsg_alloc();
-	if (!req)
-		goto err;
-
-	cb = nl_cb_alloc(NL_CB_DEFAULT);
-	if (!cb)
-		goto err;
-
-	genlmsg_put(req, 0, 0, genl_family_get_id(nls->nl80211), 0,
-		flags, cmd, 0);
-
-	if (ifidx > -1)
-		NLA_PUT_U32(req, NL80211_ATTR_IFINDEX, ifidx);
-
-	if (phyidx > -1)
-		NLA_PUT_U32(req, NL80211_ATTR_WIPHY, phyidx);
-
-	cv.msg = req;
-	cv.cb  = cb;
-
-	return &cv;
-
-err:
-nla_put_failure:
-	if (cb)
-		nl_cb_put(cb);
-
-	if (req)
-		nlmsg_free(req);
-
-	return NULL;
-}
-
-static struct nl80211_msg_conveyor * nl80211_send(
-	struct nl80211_msg_conveyor *cv,
-	int (*cb_func)(struct nl_msg *, void *), void *cb_arg
-) {
-	static struct nl80211_msg_conveyor rcv;
-	int err = 1;
-
-	if (cb_func)
-		nl_cb_set(cv->cb, NL_CB_VALID, NL_CB_CUSTOM, cb_func, cb_arg);
-	else
-		nl_cb_set(cv->cb, NL_CB_VALID, NL_CB_CUSTOM, nl80211_msg_response, &rcv);
-
-	if (nl_send_auto_complete(nls->nl_sock, cv->msg) < 0)
-		goto err;
-
-	nl_cb_err(cv->cb,               NL_CB_CUSTOM, nl80211_msg_error,  &err);
-	nl_cb_set(cv->cb, NL_CB_FINISH, NL_CB_CUSTOM, nl80211_msg_finish, &err);
-	nl_cb_set(cv->cb, NL_CB_ACK,    NL_CB_CUSTOM, nl80211_msg_ack,    &err);
-
-	while (err > 0)
-		nl_recvmsgs(nls->nl_sock, cv->cb);
-
-	return &rcv;
-
-err:
-	nl_cb_put(cv->cb);
-	nlmsg_free(cv->msg);
-
-	return NULL;
-}
-
-static struct nlattr ** nl80211_parse(struct nl_msg *msg)
-{
-	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
-	static struct nlattr *attr[NL80211_ATTR_MAX + 1];
-
-	nla_parse(attr, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
-		genlmsg_attrlen(gnlh, 0), NULL);
-
-	return attr;
-}
-
-static int nl80211_freq2channel(int freq)
-{
-    if (freq == 2484)
-        return 14;
-
-    if (freq < 2484)
-        return (freq - 2407) / 5;
-
-    return (freq / 5) - 1000;
-}
-
-static char * nl80211_getval(const char *ifname, const char *buf, const char *key)
-{
-	int i, len;
-	char lkey[64] = { 0 };
-	const char *ln = buf;
-	static char lval[256] = { 0 };
-
-	int matched_if = ifname ? 0 : 1;
-
-
-	for( i = 0, len = strlen(buf); i < len; i++ )
-	{
-		if (!lkey[0] && (buf[i] == ' ' || buf[i] == '\t'))
-		{
-			ln++;
-		}
-		else if (!lkey[0] && (buf[i] == '='))
-		{
-			if ((&buf[i] - ln) > 0)
-				memcpy(lkey, ln, min(sizeof(lkey) - 1, &buf[i] - ln));
-		}
-		else if (buf[i] == '\n')
-		{
-			if (lkey[0])
-			{
-				memcpy(lval, ln + strlen(lkey) + 1,
-					min(sizeof(lval) - 1, &buf[i] - ln - strlen(lkey) - 1));
-
-				if ((ifname != NULL) &&
-				    (!strcmp(lkey, "interface") || !strcmp(lkey, "bss")) )
-				{
-					matched_if = !strcmp(lval, ifname);
-				}
-				else if (matched_if && !strcmp(lkey, key))
-				{
-					return lval;
-				}
-			}
-
-			ln = &buf[i+1];
-			memset(lkey, 0, sizeof(lkey));
-			memset(lval, 0, sizeof(lval));
-		}
-	}
-
-	return NULL;
-}
-
-static int nl80211_ifname2phy_cb(struct nl_msg *msg, void *arg)
-{
-	char *buf = arg;
-	struct nlattr **attr = nl80211_parse(msg);
-
-	if (attr[NL80211_ATTR_WIPHY_NAME])
-		sprintf(buf, "%s", nla_data(attr[NL80211_ATTR_WIPHY_NAME]));
-	else
-		buf[0] = 0;
-
-	return NL_SKIP;
-}
-
-static char * nl80211_ifname2phy(const char *ifname)
-{
-	static char phy[32] = { 0 };
-	struct nl80211_msg_conveyor *req;
-
-	memset(phy, 0, sizeof(phy));
-
-	req = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, 0);
-	if (req)
-	{
-		nl80211_send(req, nl80211_ifname2phy_cb, phy);
-		nl80211_free(req);
-	}
-
-	return phy[0] ? phy : NULL;
-}
-
-static char * nl80211_hostapd_info(const char *ifname)
-{
-	char *phy;
-	char path[32] = { 0 };
-	static char buf[4096] = { 0 };
-	FILE *conf;
-
-	if ((phy = nl80211_ifname2phy(ifname)) != NULL)
-	{
-		snprintf(path, sizeof(path), "/var/run/hostapd-%s.conf", phy);
-
-		if ((conf = fopen(path, "r")) != NULL)
-		{
-			fread(buf, sizeof(buf) - 1, 1, conf);
-			fclose(conf);
-
-			return buf;
-		}
-	}
-
-	return NULL;
-}
-
-static inline int nl80211_wpactl_recv(int sock, char *buf, int blen)
-{
-	fd_set rfds;
-	struct timeval tv = { 2, 0 };
-
-	FD_ZERO(&rfds);
-	FD_SET(sock, &rfds);
-
-	memset(buf, 0, blen);
-
-
-	if (select(sock + 1, &rfds, NULL, NULL, &tv) < 0)
-		return -1;
-
-	if (!FD_ISSET(sock, &rfds))
-		return -1;
-
-	return recv(sock, buf, blen, 0);
-}
-
-static char * nl80211_wpactl_info(const char *ifname, const char *cmd,
-								   const char *event)
-{
-	int numtry = 0;
-	int sock = -1;
-	char *rv = NULL;
-	size_t remote_length, local_length;
-	static char buffer[10240] = { 0 };
-
-	struct sockaddr_un local = { 0 };
-	struct sockaddr_un remote = { 0 };
-
-
-	sock = socket(PF_UNIX, SOCK_DGRAM, 0);
-	if (sock < 0)
-		return NULL;
-
-	remote.sun_family = AF_UNIX;
-	remote_length = sizeof(remote.sun_family) + sprintf(remote.sun_path,
-		"/var/run/wpa_supplicant-%s/%s", ifname, ifname);
-
-	if (fcntl(sock, F_SETFD, fcntl(sock, F_GETFD) | FD_CLOEXEC) < 0)
-		goto out;
-
-	if (connect(sock, (struct sockaddr *) &remote, remote_length))
-		goto out;
-
-	local.sun_family = AF_UNIX;
-	local_length = sizeof(local.sun_family) + sprintf(local.sun_path,
-		"/var/run/iwinfo-%s-%d", ifname, getpid());
-
-	if (bind(sock, (struct sockaddr *) &local, local_length))
-		goto out;
-
-
-	send(sock, "ATTACH", 6, 0);
-
-	if (nl80211_wpactl_recv(sock, buffer, sizeof(buffer)) <= 0)
-		goto out;
-
-
-	send(sock, cmd, strlen(cmd), 0);
-
-	while( numtry++ < 5 )
-	{
-		if (nl80211_wpactl_recv(sock, buffer, sizeof(buffer)) <= 0)
-		{
-			if (event)
-				continue;
-
-			break;
-		}
-
-		if ((!event && buffer[0] != '<') || strstr(buffer, event))
-			break;
-	}
-
-	rv = buffer;
-
-out:
-	close(sock);
-
-	if (local.sun_family)
-		unlink(local.sun_path);
-
-	return rv;
-}
-
-static inline int nl80211_readint(const char *path)
-{
-	int fd;
-	int rv = -1;
-	char buffer[16];
-
-	if ((fd = open(path, O_RDONLY)) > -1)
-	{
-		if (read(fd, buffer, sizeof(buffer)) > 0)
-			rv = atoi(buffer);
-
-		close(fd);
-	}
-
-	return rv;
-}
-
-static char * nl80211_phy2ifname(const char *ifname)
-{
-	int fd, ifidx = -1, cifidx = -1, phyidx = -1;
-	char buffer[64];
-	static char nif[IFNAMSIZ] = { 0 };
-
-	DIR *d;
-	struct dirent *e;
-
-	if (!ifname)
-		return NULL;
-	else if (!strncmp(ifname, "phy", 3))
-		phyidx = atoi(&ifname[3]);
-	else if (!strncmp(ifname, "radio", 5))
-		phyidx = atoi(&ifname[5]);
-
-	memset(nif, 0, sizeof(nif));
-
-	if (phyidx > -1)
-	{
-		if ((d = opendir("/sys/class/net")) != NULL)
-		{
-			while( (e = readdir(d)) != NULL )
-			{
-				snprintf(buffer, sizeof(buffer),
-					"/sys/class/net/%s/phy80211/index", e->d_name);
-
-				if (nl80211_readint(buffer) == phyidx)
-				{
-					snprintf(buffer, sizeof(buffer),
-						"/sys/class/net/%s/ifindex", e->d_name);
-
-					if( (cifidx = nl80211_readint(buffer)) >= 0 &&
-					    ((ifidx < 0) || (cifidx < ifidx)) )
-					{
-						ifidx = cifidx;
-						strncpy(nif, e->d_name, sizeof(nif));
-					}
-				}
-			}
-
-			closedir(d);
-		}
-	}
-
-	return nif[0] ? nif : NULL;
-}
-
-static char * nl80211_ifadd(const char *ifname)
-{
-	int phyidx;
-	char *rv = NULL;
-	static char nif[IFNAMSIZ] = { 0 };
-	struct nl80211_msg_conveyor *req, *res;
-
-	req = nl80211_msg(ifname, NL80211_CMD_NEW_INTERFACE, 0);
-	if (req)
-	{
-		snprintf(nif, sizeof(nif), "tmp.%s", ifname);
-
-		NLA_PUT_STRING(req->msg, NL80211_ATTR_IFNAME, nif);
-		NLA_PUT_U32(req->msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_STATION);
-
-		nl80211_send(req, NULL, NULL);
-
-		rv = nif;
-
-	nla_put_failure:
-		nl80211_free(req);
-	}
-
-	return rv;
-}
-
-static void nl80211_ifdel(const char *ifname)
-{
-	struct nl80211_msg_conveyor *req;
-
-	req = nl80211_msg(ifname, NL80211_CMD_DEL_INTERFACE, 0);
-	if (req)
-	{
-		NLA_PUT_STRING(req->msg, NL80211_ATTR_IFNAME, ifname);
-
-		nl80211_send(req, NULL, NULL);
-
-	nla_put_failure:
-		nl80211_free(req);
-	}
-}
-
-static void nl80211_hostapd_hup(const char *ifname)
-{
-	int fd, pid = 0;
-	char buf[32];
-	char *phy = nl80211_ifname2phy(ifname);
-
-	if (phy)
-	{
-		snprintf(buf, sizeof(buf), "/var/run/wifi-%s.pid", phy);
-		if ((fd = open(buf, O_RDONLY)) > 0)
-		{
-			if (read(fd, buf, sizeof(buf)) > 0)
-				pid = atoi(buf);
-
-			close(fd);
-		}
-
-		if (pid > 0)
-			kill(pid, 1);
-	}
-}
-
-
-int nl80211_probe(const char *ifname)
-{
-	return !!nl80211_ifname2phy(ifname);
-}
-
-void nl80211_close(void)
-{
-	if (nls)
-	{
-		if (nls->nl_sock)
-			nl_socket_free(nls->nl_sock);
-
-		if (nls->nl_cache)
-			nl_cache_free(nls->nl_cache);
-
-		free(nls);
-		nls = NULL;
-	}
-}
-
-int nl80211_get_mode(const char *ifname, char *buf)
-{
-	return wext_get_mode(ifname, buf);
-}
-
-int nl80211_get_ssid(const char *ifname, char *buf)
-{
-	char *ssid;
-
-	if (!wext_get_ssid(ifname, buf))
-	{
-		return 0;
-	}
-	else if( (ssid = nl80211_hostapd_info(ifname)) &&
-	         (ssid = nl80211_getval(ifname, ssid, "ssid")) )
-	{
-		memcpy(buf, ssid, strlen(ssid));
-		return 0;
-	}
-
-	return -1;
-}
-
-int nl80211_get_bssid(const char *ifname, char *buf)
-{
-	char *bssid;
-	unsigned char mac[6];
-
-	if (!wext_get_bssid(ifname, buf))
-	{
-		return 0;
-	}
-	else if((bssid = nl80211_hostapd_info(ifname)) &&
-	         (bssid = nl80211_getval(ifname, bssid, "bssid")))
-	{
-		mac[0] = strtol(&bssid[0],  NULL, 16);
-		mac[1] = strtol(&bssid[3],  NULL, 16);
-		mac[2] = strtol(&bssid[6],  NULL, 16);
-		mac[3] = strtol(&bssid[9],  NULL, 16);
-		mac[4] = strtol(&bssid[12], NULL, 16);
-		mac[5] = strtol(&bssid[15], NULL, 16);
-
-		sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",
-			mac[0], mac[1], mac[2],	mac[3], mac[4], mac[5]);
-
-		return 0;
-	}
-
-	return -1;
-}
-
-int nl80211_get_channel(const char *ifname, int *buf)
-{
-	char *first;
-
-	if (!wext_get_channel(ifname, buf))
-		return 0;
-
-	else if ((first = nl80211_phy2ifname(nl80211_ifname2phy(ifname))) != NULL)
-		return wext_get_channel(first, buf);
-
-	return -1;
-}
-
-int nl80211_get_frequency(const char *ifname, int *buf)
-{
-	char *first;
-
-	if (!wext_get_frequency(ifname, buf))
-		return 0;
-
-	else if ((first = nl80211_phy2ifname(nl80211_ifname2phy(ifname))) != NULL)
-		return wext_get_frequency(first, buf);
-
-	return -1;
-}
-
-int nl80211_get_txpower(const char *ifname, int *buf)
-{
-	return wext_get_txpower(ifname, buf);
-}
-
-
-static int nl80211_fill_signal_cb(struct nl_msg *msg, void *arg)
-{
-	int8_t dbm;
-	int16_t mbit;
-	struct nl80211_rssi_rate *rr = arg;
-	struct nlattr **attr = nl80211_parse(msg);
-	struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
-	struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
-
-	static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
-		[NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32    },
-		[NL80211_STA_INFO_RX_BYTES]      = { .type = NLA_U32    },
-		[NL80211_STA_INFO_TX_BYTES]      = { .type = NLA_U32    },
-		[NL80211_STA_INFO_RX_PACKETS]    = { .type = NLA_U32    },
-		[NL80211_STA_INFO_TX_PACKETS]    = { .type = NLA_U32    },
-		[NL80211_STA_INFO_SIGNAL]        = { .type = NLA_U8     },
-		[NL80211_STA_INFO_TX_BITRATE]    = { .type = NLA_NESTED },
-		[NL80211_STA_INFO_LLID]          = { .type = NLA_U16    },
-		[NL80211_STA_INFO_PLID]          = { .type = NLA_U16    },
-		[NL80211_STA_INFO_PLINK_STATE]   = { .type = NLA_U8     },
-	};
-
-	static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
-		[NL80211_RATE_INFO_BITRATE]      = { .type = NLA_U16  },
-		[NL80211_RATE_INFO_MCS]          = { .type = NLA_U8   },
-		[NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
-		[NL80211_RATE_INFO_SHORT_GI]     = { .type = NLA_FLAG },
-	};
-
-	if (attr[NL80211_ATTR_STA_INFO])
-	{
-		if( !nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
-				attr[NL80211_ATTR_STA_INFO], stats_policy) )
-		{
-			if (sinfo[NL80211_STA_INFO_SIGNAL])
-			{
-				dbm = nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
-				rr->rssi = rr->rssi ? (int8_t)((rr->rssi + dbm) / 2) : dbm;
-			}
-
-			if (sinfo[NL80211_STA_INFO_TX_BITRATE])
-			{
-				if( !nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
-						sinfo[NL80211_STA_INFO_TX_BITRATE], rate_policy) )
-				{
-					if (rinfo[NL80211_RATE_INFO_BITRATE])
-					{
-						mbit = nla_get_u16(rinfo[NL80211_RATE_INFO_BITRATE]);
-						rr->rate = rr->rate
-							? (int16_t)((rr->rate + mbit) / 2) : mbit;
-					}
-				}
-			}
-		}
-	}
-
-	return NL_SKIP;
-}
-
-static void nl80211_fill_signal(const char *ifname, struct nl80211_rssi_rate *r)
-{
-	DIR *d;
-	struct dirent *de;
-	struct nl80211_msg_conveyor *req;
-
-	r->rssi = 0;
-	r->rate = 0;
-
-	if ((d = opendir("/sys/class/net")) != NULL)
-	{
-		while ((de = readdir(d)) != NULL)
-		{
-			if (!strncmp(de->d_name, ifname, strlen(ifname)) &&
-				(!de->d_name[strlen(ifname)] ||
-				 !strncmp(&de->d_name[strlen(ifname)], ".sta", 4)))
-			{
-				req = nl80211_msg(de->d_name, NL80211_CMD_GET_STATION,
-								  NLM_F_DUMP);
-
-				if (req)
-				{
-					nl80211_send(req, nl80211_fill_signal_cb, r);
-					nl80211_free(req);
-				}
-			}
-		}
-
-		closedir(d);
-	}
-}
-
-int nl80211_get_bitrate(const char *ifname, int *buf)
-{
-	struct nl80211_rssi_rate rr;
-
-	if (!wext_get_bitrate(ifname, buf))
-		return 0;
-
-	nl80211_fill_signal(ifname, &rr);
-
-	if (rr.rate)
-	{
-		*buf = (rr.rate * 100);
-		return 0;
-	}
-
-	return -1;
-}
-
-int nl80211_get_signal(const char *ifname, int *buf)
-{
-	struct nl80211_rssi_rate rr;
-
-	if (!wext_get_signal(ifname, buf))
-		return 0;
-
-	nl80211_fill_signal(ifname, &rr);
-
-	if (rr.rssi)
-	{
-		*buf = rr.rssi;
-		return 0;
-	}
-
-	return -1;
-}
-
-static int nl80211_get_noise_cb(struct nl_msg *msg, void *arg)
-{
-	int8_t *noise = arg;
-	struct nlattr **tb = nl80211_parse(msg);
-	struct nlattr *si[NL80211_SURVEY_INFO_MAX + 1];
-
-	static struct nla_policy sp[NL80211_SURVEY_INFO_MAX + 1] = {
-		[NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
-		[NL80211_SURVEY_INFO_NOISE]     = { .type = NLA_U8  },
-	};
-
-	if (!tb[NL80211_ATTR_SURVEY_INFO])
-		return NL_SKIP;
-
-	if (nla_parse_nested(si, NL80211_SURVEY_INFO_MAX,
-						 tb[NL80211_ATTR_SURVEY_INFO], sp))
-		return NL_SKIP;
-
-	if (!si[NL80211_SURVEY_INFO_NOISE])
-		return NL_SKIP;
-
-	if (!*noise || si[NL80211_SURVEY_INFO_IN_USE])
-		*noise = (int8_t)nla_get_u8(si[NL80211_SURVEY_INFO_NOISE]);
-
-	return NL_SKIP;
-}
-
-
-int nl80211_get_noise(const char *ifname, int *buf)
-{
-	int8_t noise;
-	struct nl80211_msg_conveyor *req;
-
-	req = nl80211_msg(ifname, NL80211_CMD_GET_SURVEY, NLM_F_DUMP);
-	if (req)
-	{
-		noise = 0;
-
-		nl80211_send(req, nl80211_get_noise_cb, &noise);
-		nl80211_free(req);
-
-		if (noise)
-		{
-			*buf = noise;
-			return 0;
-		}
-	}
-
-	return -1;
-}
-
-int nl80211_get_quality(const char *ifname, int *buf)
-{
-	int signal;
-
-	if (wext_get_quality(ifname, buf))
-	{
-		*buf = 0;
-
-		if (!nl80211_get_signal(ifname, &signal))
-		{
-			/* A positive signal level is usually just a quality
-			 * value, pass through as-is */
-			if (signal >= 0)
-			{
-				*buf = signal;
-			}
-
-			/* The cfg80211 wext compat layer assumes a signal range
-			 * of -110 dBm to -40 dBm, the quality value is derived
-			 * by adding 110 to the signal level */
-			else
-			{
-				if (signal < -110)
-					signal = -110;
-				else if (signal > -40)
-					signal = -40;
-
-				*buf = (signal + 110);
-			}
-		}
-	}
-
-	return 0;
-}
-
-int nl80211_get_quality_max(const char *ifname, int *buf)
-{
-	if (wext_get_quality_max(ifname, buf))
-		/* The cfg80211 wext compat layer assumes a maximum
-		 * quality of 70 */
-		*buf = 70;
-
-	return 0;
-}
-
-int nl80211_get_encryption(const char *ifname, char *buf)
-{
-	int i;
-	char k[9];
-	char *val, *res;
-	struct iwinfo_crypto_entry *c = (struct iwinfo_crypto_entry *)buf;
-
-	/* WPA supplicant */
-	if( (res = nl80211_wpactl_info(ifname, "STATUS", NULL)) &&
-	    (val = nl80211_getval(NULL, res, "pairwise_cipher")) )
-	{
-		/* WEP */
-		if (strstr(val, "WEP"))
-		{
-			if (strstr(val, "WEP-40"))
-				c->pair_ciphers |= IWINFO_CIPHER_WEP40;
-
-			else if (strstr(val, "WEP-104"))
-				c->pair_ciphers |= IWINFO_CIPHER_WEP104;
-
-			c->enabled       = 1;
-			c->group_ciphers = c->pair_ciphers;
-
-			c->auth_suites |= IWINFO_KMGMT_NONE;
-			c->auth_algs   |= IWINFO_AUTH_OPEN; /* XXX: assumption */
-		}
-
-		/* WPA */
-		else
-		{
-			if (strstr(val, "TKIP"))
-				c->pair_ciphers |= IWINFO_CIPHER_TKIP;
-
-			else if (strstr(val, "CCMP"))
-				c->pair_ciphers |= IWINFO_CIPHER_CCMP;
-
-			else if (strstr(val, "NONE"))
-				c->pair_ciphers |= IWINFO_CIPHER_NONE;
-
-			else if (strstr(val, "WEP-40"))
-				c->pair_ciphers |= IWINFO_CIPHER_WEP40;
-
-			else if (strstr(val, "WEP-104"))
-				c->pair_ciphers |= IWINFO_CIPHER_WEP104;
-
-
-			if ((val = nl80211_getval(NULL, res, "group_cipher")))
-			{
-				if (strstr(val, "TKIP"))
-					c->group_ciphers |= IWINFO_CIPHER_TKIP;
-
-				else if (strstr(val, "CCMP"))
-					c->group_ciphers |= IWINFO_CIPHER_CCMP;
-
-				else if (strstr(val, "NONE"))
-					c->group_ciphers |= IWINFO_CIPHER_NONE;
-
-				else if (strstr(val, "WEP-40"))
-					c->group_ciphers |= IWINFO_CIPHER_WEP40;
-
-				else if (strstr(val, "WEP-104"))
-					c->group_ciphers |= IWINFO_CIPHER_WEP104;
-			}
-
-
-			if ((val = nl80211_getval(NULL, res, "key_mgmt")))
-			{
-				if (strstr(val, "WPA2"))
-					c->wpa_version = 2;
-
-				else if (strstr(val, "WPA"))
-					c->wpa_version = 1;
-
-
-				if (strstr(val, "PSK"))
-					c->auth_suites |= IWINFO_KMGMT_PSK;
-
-				else if (strstr(val, "EAP") || strstr(val, "802.1X"))
-					c->auth_suites |= IWINFO_KMGMT_8021x;
-
-				else if (strstr(val, "NONE"))
-					c->auth_suites |= IWINFO_KMGMT_NONE;
-			}
-
-			c->enabled = (c->wpa_version && c->auth_suites) ? 1 : 0;
-		}
-
-		return 0;
-	}
-
-	/* Hostapd */
-	else if ((res = nl80211_hostapd_info(ifname)))
-	{
-		if ((val = nl80211_getval(ifname, res, "wpa")) != NULL)
-			c->wpa_version = atoi(val);
-
-		val = nl80211_getval(ifname, res, "wpa_key_mgmt");
-
-		if (!val || strstr(val, "PSK"))
-			c->auth_suites |= IWINFO_KMGMT_PSK;
-
-		if (val && strstr(val, "EAP"))
-			c->auth_suites |= IWINFO_KMGMT_8021x;
-
-		if (val && strstr(val, "NONE"))
-			c->auth_suites |= IWINFO_KMGMT_NONE;
-
-		if ((val = nl80211_getval(ifname, res, "wpa_pairwise")) != NULL)
-		{
-			if (strstr(val, "TKIP"))
-				c->pair_ciphers |= IWINFO_CIPHER_TKIP;
-
-			if (strstr(val, "CCMP"))
-				c->pair_ciphers |= IWINFO_CIPHER_CCMP;
-
-			if (strstr(val, "NONE"))
-				c->pair_ciphers |= IWINFO_CIPHER_NONE;
-		}
-
-		if ((val = nl80211_getval(ifname, res, "auth_algs")) != NULL)
-		{
-			switch(atoi(val)) {
-				case 1:
-					c->auth_algs |= IWINFO_AUTH_OPEN;
-					break;
-
-				case 2:
-					c->auth_algs |= IWINFO_AUTH_SHARED;
-					break;
-
-				case 3:
-					c->auth_algs |= IWINFO_AUTH_OPEN;
-					c->auth_algs |= IWINFO_AUTH_SHARED;
-					break;
-
-				default:
-					break;
-			}
-
-			for( i = 0; i < 4; i++ )
-			{
-				snprintf(k, sizeof(k), "wep_key%d", i);
-
-				if ((val = nl80211_getval(ifname, res, k)))
-				{
-					if ((strlen(val) == 5) || (strlen(val) == 10))
-						c->pair_ciphers |= IWINFO_CIPHER_WEP40;
-
-					else if ((strlen(val) == 13) || (strlen(val) == 26))
-						c->pair_ciphers |= IWINFO_CIPHER_WEP104;
-				}
-			}
-		}
-
-		c->group_ciphers = c->pair_ciphers;
-		c->enabled = (c->wpa_version || c->pair_ciphers) ? 1 : 0;
-
-		return 0;
-	}
-
-	return -1;
-}
-
-
-static int nl80211_get_assoclist_cb(struct nl_msg *msg, void *arg)
-{
-	struct nl80211_array_buf *arr = arg;
-	struct iwinfo_assoclist_entry *e = arr->buf;
-	struct nlattr **attr = nl80211_parse(msg);
-	struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
-
-	static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
-		[NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32    },
-		[NL80211_STA_INFO_RX_BYTES]      = { .type = NLA_U32    },
-		[NL80211_STA_INFO_TX_BYTES]      = { .type = NLA_U32    },
-		[NL80211_STA_INFO_RX_PACKETS]    = { .type = NLA_U32    },
-		[NL80211_STA_INFO_TX_PACKETS]    = { .type = NLA_U32    },
-		[NL80211_STA_INFO_SIGNAL]        = { .type = NLA_U8     },
-		[NL80211_STA_INFO_TX_BITRATE]    = { .type = NLA_NESTED },
-		[NL80211_STA_INFO_LLID]          = { .type = NLA_U16    },
-		[NL80211_STA_INFO_PLID]          = { .type = NLA_U16    },
-		[NL80211_STA_INFO_PLINK_STATE]   = { .type = NLA_U8     },
-	};
-
-	/* advance to end of array */
-	e += arr->count;
-
-	if (attr[NL80211_ATTR_MAC])
-		memcpy(e->mac, nla_data(attr[NL80211_ATTR_MAC]), 6);
-
-	if (attr[NL80211_ATTR_STA_INFO])
-	{
-		if (!nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
-				attr[NL80211_ATTR_STA_INFO], stats_policy))
-		{
-			if (sinfo[NL80211_STA_INFO_SIGNAL])
-				e->signal = nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
-		}
-	}
-
-	e->noise = 0; /* filled in by caller */
-	arr->count++;
-
-	return NL_SKIP;
-}
-
-int nl80211_get_assoclist(const char *ifname, char *buf, int *len)
-{
-	DIR *d;
-	int i, noise = 0;
-	struct dirent *de;
-	struct nl80211_msg_conveyor *req;
-	struct nl80211_array_buf arr = { .buf = buf, .count = 0 };
-	struct iwinfo_assoclist_entry *e;
-
-	if ((d = opendir("/sys/class/net")) != NULL)
-	{
-		while ((de = readdir(d)) != NULL)
-		{
-			if (!strncmp(de->d_name, ifname, strlen(ifname)) &&
-				(!de->d_name[strlen(ifname)] ||
-				 !strncmp(&de->d_name[strlen(ifname)], ".sta", 4)))
-			{
-				req = nl80211_msg(de->d_name, NL80211_CMD_GET_STATION,
-								  NLM_F_DUMP);
-
-				if (req)
-				{
-					nl80211_send(req, nl80211_get_assoclist_cb, &arr);
-					nl80211_free(req);
-				}
-
-				break;
-			}
-		}
-
-		closedir(d);
-
-		if (!nl80211_get_noise(ifname, &noise))
-			for (i = 0, e = arr.buf; i < arr.count; i++, e++)
-				e->noise = noise;
-
-		*len = (arr.count * sizeof(struct iwinfo_assoclist_entry));
-		return 0;
-	}
-
-	return -1;
-}
-
-static int nl80211_get_txpwrlist_cb(struct nl_msg *msg, void *arg)
-{
-	int *dbm_max = arg;
-	int ch_cur, ch_cmp, bands_remain, freqs_remain;
-
-	struct nlattr **attr = nl80211_parse(msg);
-	struct nlattr *bands[NL80211_BAND_ATTR_MAX + 1];
-	struct nlattr *freqs[NL80211_FREQUENCY_ATTR_MAX + 1];
-	struct nlattr *band, *freq;
-
-	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
-		[NL80211_FREQUENCY_ATTR_FREQ]         = { .type = NLA_U32  },
-		[NL80211_FREQUENCY_ATTR_DISABLED]     = { .type = NLA_FLAG },
-		[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
-		[NL80211_FREQUENCY_ATTR_NO_IBSS]      = { .type = NLA_FLAG },
-		[NL80211_FREQUENCY_ATTR_RADAR]        = { .type = NLA_FLAG },
-		[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32  },
-	};
-
-	ch_cur = *dbm_max; /* value int* is initialized with channel by caller */
-	*dbm_max = -1;
-
-	nla_for_each_nested(band, attr[NL80211_ATTR_WIPHY_BANDS], bands_remain)
-	{
-		nla_parse(bands, NL80211_BAND_ATTR_MAX, nla_data(band),
-			  nla_len(band), NULL);
-
-		nla_for_each_nested(freq,
-			bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
-		{
-			nla_parse(freqs, NL80211_FREQUENCY_ATTR_MAX,
-				nla_data(freq), nla_len(freq), freq_policy);
-
-			ch_cmp = nl80211_freq2channel(
-				nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]));
-
-			if( (!ch_cur || (ch_cmp == ch_cur)) &&
-				freqs[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] )
-			{
-				*dbm_max = (int)(0.01 * nla_get_u32(
-					freqs[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
-
-				break;
-			}
-		}
-	}
-
-	return NL_SKIP;
-}
-
-int nl80211_get_txpwrlist(const char *ifname, char *buf, int *len)
-{
-	int ch_cur;
-	int dbm_max = -1, dbm_cur, dbm_cnt;
-	struct nl80211_msg_conveyor *req;
-	struct iwinfo_txpwrlist_entry entry;
-
-	if (nl80211_get_channel(ifname, &ch_cur))
-		ch_cur = 0;
-
-	req = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, 0);
-	if (req)
-	{
-		/* initialize the value pointer with channel for callback */
-		dbm_max = ch_cur;
-
-		nl80211_send(req, nl80211_get_txpwrlist_cb, &dbm_max);
-		nl80211_free(req);
-	}
-
-	if (dbm_max > -1)
-	{
-		for (dbm_cur = 0, dbm_cnt = 0;
-		     dbm_cur < dbm_max;
-		     dbm_cur++, dbm_cnt++)
-		{
-			entry.dbm = dbm_cur;
-			entry.mw  = iwinfo_dbm2mw(dbm_cur);
-
-			memcpy(&buf[dbm_cnt * sizeof(entry)], &entry, sizeof(entry));
-		}
-
-		entry.dbm = dbm_max;
-		entry.mw  = iwinfo_dbm2mw(dbm_max);
-
-		memcpy(&buf[dbm_cnt * sizeof(entry)], &entry, sizeof(entry));
-		dbm_cnt++;
-
-		*len = dbm_cnt * sizeof(entry);
-		return 0;
-	}
-
-	return -1;
-}
-
-static void nl80211_get_scancrypto(const char *spec,
-	struct iwinfo_crypto_entry *c)
-{
-	if (strstr(spec, "WPA") || strstr(spec, "WEP"))
-	{
-		c->enabled = 1;
-
-		if (strstr(spec, "WPA2-") && strstr(spec, "WPA-"))
-			c->wpa_version = 3;
-
-		else if (strstr(spec, "WPA2"))
-			c->wpa_version = 2;
-
-		else if (strstr(spec, "WPA"))
-			c->wpa_version = 1;
-
-		else if (strstr(spec, "WEP"))
-			c->auth_algs = IWINFO_AUTH_OPEN | IWINFO_AUTH_SHARED;
-
-
-		if (strstr(spec, "PSK"))
-			c->auth_suites |= IWINFO_KMGMT_PSK;
-
-		if (strstr(spec, "802.1X") || strstr(spec, "EAP"))
-			c->auth_suites |= IWINFO_KMGMT_8021x;
-
-		if (strstr(spec, "WPA-NONE"))
-			c->auth_suites |= IWINFO_KMGMT_NONE;
-
-
-		if (strstr(spec, "TKIP"))
-			c->pair_ciphers |= IWINFO_CIPHER_TKIP;
-
-		if (strstr(spec, "CCMP"))
-			c->pair_ciphers |= IWINFO_CIPHER_CCMP;
-
-		if (strstr(spec, "WEP-40"))
-			c->pair_ciphers |= IWINFO_CIPHER_WEP40;
-
-		if (strstr(spec, "WEP-104"))
-			c->pair_ciphers |= IWINFO_CIPHER_WEP104;
-
-		c->group_ciphers = c->pair_ciphers;
-	}
-	else
-	{
-		c->enabled = 0;
-	}
-}
-
-int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
-{
-	int freq, rssi, qmax, count;
-	char *res;
-	char ssid[128] = { 0 };
-	char bssid[18] = { 0 };
-	char cipher[256] = { 0 };
-
-	/* Got a radioX pseudo interface, find some interface on it or create one */
-	if (!strncmp(ifname, "radio", 5))
-	{
-		/* Reuse existing interface */
-		if ((res = nl80211_phy2ifname(ifname)) != NULL)
-		{
-			return nl80211_get_scanlist(res, buf, len);
-		}
-
-		/* Need to spawn a temporary iface for scanning */
-		else if ((res = nl80211_ifadd(ifname)) != NULL)
-		{
-			count = nl80211_get_scanlist(res, buf, len);
-			nl80211_ifdel(res);
-			return count;
-		}
-	}
-
-	struct iwinfo_scanlist_entry *e = (struct iwinfo_scanlist_entry *)buf;
-
-	/* WPA supplicant */
-	if ((res = nl80211_wpactl_info(ifname, "SCAN", "CTRL-EVENT-SCAN-RESULTS")))
-	{
-		if ((res = nl80211_wpactl_info(ifname, "SCAN_RESULTS", NULL)))
-		{
-			nl80211_get_quality_max(ifname, &qmax);
-
-			/* skip header line */
-			while( *res++ != '\n' );
-
-			count = 0;
-
-			while( sscanf(res, "%17s %d %d %255s%*[ \t]%127[^\n]\n",
-			              bssid, &freq, &rssi, cipher, ssid) > 0 )
-			{
-				/* BSSID */
-				e->mac[0] = strtol(&bssid[0],  NULL, 16);
-				e->mac[1] = strtol(&bssid[3],  NULL, 16);
-				e->mac[2] = strtol(&bssid[6],  NULL, 16);
-				e->mac[3] = strtol(&bssid[9],  NULL, 16);
-				e->mac[4] = strtol(&bssid[12], NULL, 16);
-				e->mac[5] = strtol(&bssid[15], NULL, 16);
-
-				/* SSID */
-				memcpy(e->ssid, ssid,
-					min(strlen(ssid), sizeof(e->ssid) - 1));
-
-				/* Mode (assume master) */
-				sprintf((char *)e->mode, "Master");
-
-				/* Channel */
-				e->channel = nl80211_freq2channel(freq);
-
-				/* Signal */
-				e->signal = rssi;
-
-				/* Quality */
-				if (rssi < 0)
-				{
-					/* The cfg80211 wext compat layer assumes a signal range
-					 * of -110 dBm to -40 dBm, the quality value is derived
-					 * by adding 110 to the signal level */
-					if (rssi < -110)
-						rssi = -110;
-					else if (rssi > -40)
-						rssi = -40;
-
-					e->quality = (rssi + 110);
-				}
-				else
-				{
-					e->quality = rssi;
-				}
-
-				/* Max. Quality */
-				e->quality_max = qmax;
-
-				/* Crypto */
-				nl80211_get_scancrypto(cipher, &e->crypto);
-
-				/* advance to next line */
-				while( *res && *res++ != '\n' );
-
-				count++;
-				e++;
-
-				memset(ssid, 0, sizeof(ssid));
-				memset(bssid, 0, sizeof(bssid));
-				memset(cipher, 0, sizeof(cipher));
-			}
-
-			*len = count * sizeof(struct iwinfo_scanlist_entry);
-			return 0;
-		}
-	}
-
-	/* AP scan */
-	else
-	{
-		/* Got a temp interface, don't create yet another one */
-		if (!strncmp(ifname, "tmp.", 4))
-		{
-			if (!iwinfo_ifup(ifname))
-				return -1;
-
-			wext_get_scanlist(ifname, buf, len);
-			iwinfo_ifdown(ifname);
-			return 0;
-		}
-
-		/* Spawn a new scan interface */
-		else
-		{
-			if (!(res = nl80211_ifadd(ifname)))
-				goto out;
-
-			if (!iwinfo_ifmac(res))
-				goto out;
-
-			/* if we can take the new interface up, the driver supports an
-			 * additional interface and there's no need to tear down the ap */
-			if (iwinfo_ifup(res))
-			{
-				wext_get_scanlist(res, buf, len);
-				iwinfo_ifdown(res);
-			}
-
-			/* driver cannot create secondary interface, take down ap
-			 * during scan */
-			else if (iwinfo_ifdown(ifname) && iwinfo_ifup(res))
-			{
-				wext_get_scanlist(res, buf, len);
-				iwinfo_ifdown(res);
-				iwinfo_ifup(ifname);
-				nl80211_hostapd_hup(ifname);
-			}
-
-		out:
-			nl80211_ifdel(res);
-			return 0;
-		}
-	}
-
-	return -1;
-}
-
-static int nl80211_get_freqlist_cb(struct nl_msg *msg, void *arg)
-{
-	int bands_remain, freqs_remain;
-
-	struct nl80211_array_buf *arr = arg;
-	struct iwinfo_freqlist_entry *e = arr->buf;
-
-	struct nlattr **attr = nl80211_parse(msg);
-	struct nlattr *bands[NL80211_BAND_ATTR_MAX + 1];
-	struct nlattr *freqs[NL80211_FREQUENCY_ATTR_MAX + 1];
-	struct nlattr *band, *freq;
-
-	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
-		[NL80211_FREQUENCY_ATTR_FREQ]         = { .type = NLA_U32  },
-		[NL80211_FREQUENCY_ATTR_DISABLED]     = { .type = NLA_FLAG },
-		[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
-		[NL80211_FREQUENCY_ATTR_NO_IBSS]      = { .type = NLA_FLAG },
-		[NL80211_FREQUENCY_ATTR_RADAR]        = { .type = NLA_FLAG },
-		[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32  },
-	};
-
-	nla_for_each_nested(band, attr[NL80211_ATTR_WIPHY_BANDS], bands_remain)
-	{
-		nla_parse(bands, NL80211_BAND_ATTR_MAX, nla_data(band),
-			nla_len(band), NULL);
-
-		nla_for_each_nested(freq,
-			bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
-		{
-			nla_parse(freqs, NL80211_FREQUENCY_ATTR_MAX,
-				nla_data(freq), nla_len(freq), NULL);
-
-			if( !freqs[NL80211_FREQUENCY_ATTR_FREQ] ||
-				freqs[NL80211_FREQUENCY_ATTR_DISABLED] )
-				continue;
-
-			e->mhz = nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]);
-			e->channel = nl80211_freq2channel(e->mhz);
-
-			e->restricted = (
-				freqs[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] ||
-				freqs[NL80211_FREQUENCY_ATTR_NO_IBSS]      ||
-				freqs[NL80211_FREQUENCY_ATTR_RADAR]
-			) ? 1 : 0;
-
-			e++;
-			arr->count++;
-		}
-	}
-
-	return NL_SKIP;
-}
-
-int nl80211_get_freqlist(const char *ifname, char *buf, int *len)
-{
-	struct nl80211_msg_conveyor *req;
-	struct nl80211_array_buf arr = { .buf = buf, .count = 0 };
-
-	req = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, 0);
-	if (req)
-	{
-		nl80211_send(req, nl80211_get_freqlist_cb, &arr);
-		nl80211_free(req);
-	}
-
-	if (arr.count > 0)
-	{
-		*len = arr.count * sizeof(struct iwinfo_freqlist_entry);
-		return 0;
-	}
-
-	return -1;
-}
-
-static int nl80211_get_country_cb(struct nl_msg *msg, void *arg)
-{
-	char *buf = arg;
-	struct nlattr **attr = nl80211_parse(msg);
-
-	if (attr[NL80211_ATTR_REG_ALPHA2])
-		memcpy(buf, nla_data(attr[NL80211_ATTR_REG_ALPHA2]), 2);
-	else
-		buf[0] = 0;
-
-	return NL_SKIP;
-}
-
-int nl80211_get_country(const char *ifname, char *buf)
-{
-	int rv = -1;
-	struct nl80211_msg_conveyor *req;
-
-	req = nl80211_msg(ifname, NL80211_CMD_GET_REG, 0);
-	if (req)
-	{
-		nl80211_send(req, nl80211_get_country_cb, buf);
-		nl80211_free(req);
-
-		if (buf[0])
-			rv = 0;
-	}
-
-	return rv;
-}
-
-int nl80211_get_countrylist(const char *ifname, char *buf, int *len)
-{
-	int i, count;
-	struct iwinfo_country_entry *e = (struct iwinfo_country_entry *)buf;
-	const struct iwinfo_iso3166_label *l;
-
-	for( l = IWINFO_ISO3166_NAMES, count = 0; l->iso3166; l++, e++, count++ )
-	{
-		e->iso3166 = l->iso3166;
-		e->ccode[0] = (l->iso3166 / 256);
-		e->ccode[1] = (l->iso3166 % 256);
-	}
-
-	*len = (count * sizeof(struct iwinfo_country_entry));
-	return 0;
-}
-
-static int nl80211_get_hwmodelist_cb(struct nl_msg *msg, void *arg)
-{
-	int *modes = arg;
-	int bands_remain, freqs_remain;
-	uint16_t caps = 0;
-	struct nlattr **attr = nl80211_parse(msg);
-	struct nlattr *bands[NL80211_BAND_ATTR_MAX + 1];
-	struct nlattr *freqs[NL80211_FREQUENCY_ATTR_MAX + 1];
-	struct nlattr *band, *freq;
-
-	*modes = 0;
-
-	if (attr[NL80211_ATTR_WIPHY_BANDS])
-	{
-		nla_for_each_nested(band, attr[NL80211_ATTR_WIPHY_BANDS], bands_remain)
-		{
-			nla_parse(bands, NL80211_BAND_ATTR_MAX, nla_data(band),
-				nla_len(band), NULL);
-
-			if (bands[NL80211_BAND_ATTR_HT_CAPA])
-				caps = nla_get_u16(bands[NL80211_BAND_ATTR_HT_CAPA]);
-
-			/* Treat any nonzero capability as 11n */
-			if (caps > 0)
-				*modes |= IWINFO_80211_N;
-
-			nla_for_each_nested(freq,
-				bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
-			{
-				nla_parse(freqs, NL80211_FREQUENCY_ATTR_MAX,
-					nla_data(freq), nla_len(freq), NULL);
-
-				if (!freqs[NL80211_FREQUENCY_ATTR_FREQ])
-					continue;
-
-				if (nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]) < 2485)
-				{
-					*modes |= IWINFO_80211_B;
-					*modes |= IWINFO_80211_G;
-				}
-				else
-				{
-					*modes |= IWINFO_80211_A;
-				}
-			}
-		}
-	}
-
-	return NL_SKIP;
-}
-
-int nl80211_get_hwmodelist(const char *ifname, int *buf)
-{
-	struct nl80211_msg_conveyor *req;
-
-	req = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, 0);
-	if (req)
-	{
-		nl80211_send(req, nl80211_get_hwmodelist_cb, buf);
-		nl80211_free(req);
-	}
-
-	return *buf ? 0 : -1;
-}
-
-int nl80211_get_mbssid_support(const char *ifname, int *buf)
-{
-	/* Test whether we can create another interface */
-	char *nif = nl80211_ifadd(ifname);
-
-	if (nif)
-	{
-		*buf = (iwinfo_ifmac(nif) && iwinfo_ifup(nif));
-
-		iwinfo_ifdown(nif);
-		nl80211_ifdel(nif);
-
-		return 0;
-	}
-
-	return -1;
-}