* Parts of this code are derived from the Linux iw utility.
*/
+#include <sys/stat.h>
#include <limits.h>
#include <glob.h>
#include <fnmatch.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
#include "iwinfo_nl80211.h"
#define min(x, y) ((x) < (y)) ? (x) : (y)
+#define BIT(x) (1ULL<<(x))
+
static struct nl80211_state *nls = NULL;
static void nl80211_close(void)
return rv;
}
+static int nl80211_get_band(int nla_type)
+{
+ switch (nla_type)
+ {
+ case NL80211_BAND_2GHZ:
+ return IWINFO_BAND_24;
+ case NL80211_BAND_5GHZ:
+ return IWINFO_BAND_5;
+ case NL80211_BAND_6GHZ:
+ return IWINFO_BAND_6;
+ case NL80211_BAND_60GHZ:
+ return IWINFO_BAND_60;
+ }
+
+ return 0;
+}
+
static int nl80211_msg_error(struct sockaddr_nl *nla,
struct nlmsgerr *err, void *arg)
return &cv;
err:
-nla_put_failure:
- if (cb)
- nl_cb_put(cb);
-
if (req)
nlmsg_free(req);
return nl80211_new(nls->nlctrl, cmd, flags);
}
-static int nl80211_phy_idx_from_uci_path(struct uci_section *s)
+static const char *nl80211_phy_path_str(const char *phyname)
{
- const char *opt;
- char buf[128];
+ static char path[PATH_MAX];
+ const char *prefix = "/sys/devices/";
+ int prefix_len = strlen(prefix);
+ int buf_len, offset;
+ struct dirent *e;
+ char buf[512], *link;
+ int phy_idx;
+ int seq = 0;
+ DIR *d;
+
+ snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", phyname);
+ phy_idx = nl80211_readint(buf);
+ if (phy_idx < 0)
+ return NULL;
+
+ buf_len = snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/device", phyname);
+ link = realpath(buf, path);
+ if (!link)
+ return NULL;
+
+ if (strncmp(link, prefix, prefix_len) != 0)
+ return NULL;
+
+ link += prefix_len;
+
+ prefix = "platform/";
+ prefix_len = strlen(prefix);
+ if (!strncmp(link, prefix, prefix_len) && strstr(link, "/pci"))
+ link += prefix_len;
+
+ snprintf(buf + buf_len, sizeof(buf) - buf_len, "/ieee80211");
+ d = opendir(buf);
+ if (!d)
+ return link;
+
+ while ((e = readdir(d)) != NULL) {
+ int cur_idx;
+
+ snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", e->d_name);
+ cur_idx = nl80211_readint(buf);
+ if (cur_idx < 0)
+ continue;
+
+ if (cur_idx >= phy_idx)
+ continue;
+
+ seq++;
+ }
+
+ closedir(d);
+
+ if (!seq)
+ return link;
+
+ offset = link - path + strlen(link);
+ snprintf(path + offset, sizeof(path) - offset, "+%d", seq);
+
+ return link;
+}
+
+static int nl80211_phy_idx_from_path(const char *path)
+{
+ char buf[512];
+ struct dirent *e;
+ const char *cur_path;
+ int cur_path_len;
+ int path_len;
int idx = -1;
- glob_t gl;
+ DIR *d;
- opt = uci_lookup_option_string(uci_ctx, s, "path");
- if (!opt)
+ if (!path)
return -1;
- snprintf(buf, sizeof(buf), "/sys/devices/%s/ieee80211/*/index", opt); /**/
- if (glob(buf, 0, NULL, &gl))
+ path_len = strlen(path);
+ if (!path_len)
return -1;
- if (gl.gl_pathc > 0)
- idx = nl80211_readint(gl.gl_pathv[0]);
+ d = opendir("/sys/class/ieee80211");
+ if (!d)
+ return -1;
- globfree(&gl);
+ while ((e = readdir(d)) != NULL) {
+ cur_path = nl80211_phy_path_str(e->d_name);
+ if (!cur_path)
+ continue;
+
+ cur_path_len = strlen(cur_path);
+ if (cur_path_len < path_len)
+ continue;
+
+ if (strcmp(cur_path + cur_path_len - path_len, path) != 0)
+ continue;
+
+ snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", e->d_name);
+ idx = nl80211_readint(buf);
+
+ if (idx >= 0)
+ break;
+ }
+
+ closedir(d);
return idx;
}
-static int nl80211_phy_idx_from_uci_macaddr(struct uci_section *s)
+static int nl80211_phy_idx_from_macaddr(const char *opt)
{
- const char *opt;
char buf[128];
int i, idx = -1;
glob_t gl;
- opt = uci_lookup_option_string(uci_ctx, s, "macaddr");
if (!opt)
return -1;
- snprintf(buf, sizeof(buf), "/sys/class/ieee80211/*", opt); /**/
+ snprintf(buf, sizeof(buf), "/sys/class/ieee80211/*");
if (glob(buf, 0, NULL, &gl))
return -1;
return idx;
}
-static int nl80211_phy_idx_from_uci_phy(struct uci_section *s)
+static int nl80211_phy_idx_from_phy(const char *opt)
{
- const char *opt;
char buf[128];
- opt = uci_lookup_option_string(uci_ctx, s, "phy");
if (!opt)
return -1;
static int nl80211_phy_idx_from_uci(const char *name)
{
struct uci_section *s;
+ const char *opt;
int idx = -1;
s = iwinfo_uci_get_radio(name, "mac80211");
if (!s)
- goto free;
+ goto out;
- idx = nl80211_phy_idx_from_uci_path(s);
+ opt = uci_lookup_option_string(uci_ctx, s, "path");
+ idx = nl80211_phy_idx_from_path(opt);
+ if (idx >= 0)
+ goto out;
- if (idx < 0)
- idx = nl80211_phy_idx_from_uci_macaddr(s);
+ opt = uci_lookup_option_string(uci_ctx, s, "macaddr");
+ idx = nl80211_phy_idx_from_macaddr(opt);
+ if (idx >= 0)
+ goto out;
- if (idx < 0)
- idx = nl80211_phy_idx_from_uci_phy(s);
+ opt = uci_lookup_option_string(uci_ctx, s, "phy");
+ idx = nl80211_phy_idx_from_phy(opt);
-free:
+out:
iwinfo_uci_free();
return idx;
}
+static bool nl80211_is_ifname(const char *name)
+{
+ struct stat st;
+ char buffer[PATH_MAX];
+
+ snprintf(buffer, sizeof(buffer), "/sys/class/net/%s", name);
+ return !lstat(buffer, &st);
+}
+
static struct nl80211_msg_conveyor * nl80211_msg(const char *ifname,
int cmd, int flags)
{
- int ifidx = -1, phyidx = -1;
+ unsigned int ifidx = 0;
+ int phyidx = -1;
struct nl80211_msg_conveyor *cv;
if (ifname == NULL)
if (nl80211_init() < 0)
return NULL;
- if (!strncmp(ifname, "phy", 3))
- phyidx = atoi(&ifname[3]);
- else if (!strncmp(ifname, "radio", 5))
- phyidx = nl80211_phy_idx_from_uci(ifname);
- else if (!strncmp(ifname, "mon.", 4))
+ if (!strncmp(ifname, "mon.", 4))
ifidx = if_nametoindex(&ifname[4]);
- else
+ else if (nl80211_is_ifname(ifname))
ifidx = if_nametoindex(ifname);
+ else
+ {
+ phyidx = nl80211_phy_idx_from_phy(ifname);
+ if (phyidx < 0)
+ phyidx = nl80211_phy_idx_from_uci(ifname);
+ }
/* Valid ifidx must be greater than 0 */
if ((ifidx <= 0) && (phyidx < 0))
if (!cv)
return NULL;
- if (ifidx > -1)
+ if (ifidx > 0)
NLA_PUT_U32(cv->msg, NL80211_ATTR_IFINDEX, ifidx);
-
- if (phyidx > -1)
+ else if (phyidx > -1)
NLA_PUT_U32(cv->msg, NL80211_ATTR_WIPHY, phyidx);
return cv;
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 int 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;
+ int err;
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;
+ err = nl_send_auto_complete(nls->nl_sock, cv->msg);
+
+ if (err < 0)
+ goto out;
+
+ err = 1;
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);
while (err > 0)
nl_recvmsgs(nls->nl_sock, cv->cb);
- return &rcv;
+out:
+ nl80211_free(cv);
+ return err;
+}
+
+static int nl80211_request(const char *ifname, int cmd, int flags,
+ int (*cb_func)(struct nl_msg *, void *),
+ void *cb_arg)
+{
+ struct nl80211_msg_conveyor *cv;
-err:
- nl_cb_put(cv->cb);
- nlmsg_free(cv->msg);
+ cv = nl80211_msg(ifname, cmd, flags);
- return NULL;
+ if (!cv)
+ return -ENOMEM;
+
+ return nl80211_send(cv, cb_func, cb_arg);
}
static struct nlattr ** nl80211_parse(struct nl_msg *msg)
return attr;
}
+static int nl80211_get_protocol_features_cb(struct nl_msg *msg, void *arg)
+{
+ uint32_t *features = arg;
+ struct nlattr **attr = nl80211_parse(msg);
+
+ if (attr[NL80211_ATTR_PROTOCOL_FEATURES])
+ *features = nla_get_u32(attr[NL80211_ATTR_PROTOCOL_FEATURES]);
+
+ return NL_SKIP;
+}
+
+static int nl80211_get_protocol_features(const char *ifname)
+{
+ struct nl80211_msg_conveyor *req;
+ uint32_t features = 0;
+
+ req = nl80211_msg(ifname, NL80211_CMD_GET_PROTOCOL_FEATURES, 0);
+ if (req) {
+ nl80211_send(req, nl80211_get_protocol_features_cb, &features);
+ nl80211_free(req);
+ }
+
+ return features;
+}
static int nl80211_subscribe_cb(struct nl_msg *msg, void *arg)
{
{
struct nl80211_group_conveyor cv = { .name = group, .id = -ENOENT };
struct nl80211_msg_conveyor *req;
+ int err;
req = nl80211_ctl(CTRL_CMD_GETFAMILY, 0);
if (req)
{
NLA_PUT_STRING(req->msg, CTRL_ATTR_FAMILY_NAME, family);
- nl80211_send(req, nl80211_subscribe_cb, &cv);
+ err = nl80211_send(req, nl80211_subscribe_cb, &cv);
+
+ if (err)
+ return err;
+
+ return nl_socket_add_membership(nls->nl_sock, cv.id);
nla_put_failure:
nl80211_free(req);
}
- return nl_socket_add_membership(nls->nl_sock, cv.id);
+ return -ENOMEM;
}
struct nl80211_event_conveyor *cv = arg;
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
- if (gnlh->cmd == cv->wait)
+ if (cv->wait[gnlh->cmd / 32] & (1 << (gnlh->cmd % 32)))
cv->recv = gnlh->cmd;
return NL_SKIP;
return NL_OK;
}
-static int nl80211_wait(const char *family, const char *group, int cmd)
+static int __nl80211_wait(const char *family, const char *group, ...)
{
- struct nl80211_event_conveyor cv = { .wait = cmd };
+ struct nl80211_event_conveyor cv = { };
struct nl_cb *cb;
+ int err = 0;
+ int cmd;
+ va_list ap;
if (nl80211_subscribe(family, group))
return -ENOENT;
if (!cb)
return -ENOMEM;
+ nl_cb_err(cb, NL_CB_CUSTOM, nl80211_msg_error, &err);
nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, nl80211_wait_seq_check, NULL);
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, nl80211_wait_cb, &cv );
- while (!cv.recv)
+ va_start(ap, group);
+
+ for (cmd = va_arg(ap, int); cmd != 0; cmd = va_arg(ap, int))
+ cv.wait[cmd / 32] |= (1 << (cmd % 32));
+
+ va_end(ap);
+
+ while (!cv.recv && !err)
nl_recvmsgs(nls->nl_sock, cb);
nl_cb_put(cb);
- return 0;
+ return err;
}
+#define nl80211_wait(family, group, ...) \
+ __nl80211_wait(family, group, __VA_ARGS__, 0)
+/* This is linux's ieee80211_freq_khz_to_channel() which is:
+ * SPDX-License-Identifier: GPL-2.0
+ * Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018-2022 Intel Corporation
+ */
static int nl80211_freq2channel(int freq)
{
if (freq == 2484)
return (freq - 2407) / 5;
else if (freq >= 4910 && freq <= 4980)
return (freq - 4000) / 5;
- else
+ else if (freq < 5925)
return (freq - 5000) / 5;
+ else if (freq == 5935)
+ return 2;
+ else if (freq <= 45000) /* DMG band lower limit */
+ /* see 802.11ax D6.1 27.3.22.2 */
+ return (freq - 5950) / 5;
+ else if (freq >= 58320 && freq <= 70200)
+ return (freq - 56160) / 2160;
+ else
+ return 0;
}
-static int nl80211_channel2freq(int channel, const char *band)
+/* This is linux's ieee80211_channel_to_freq_khz() which is:
+ * SPDX-License-Identifier: GPL-2.0
+ * Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018-2022 Intel Corporation
+ */
+static int nl80211_channel2freq(int channel, const char *band, bool ax)
{
+ if (channel < 1)
+ return 0;
+
if (!band || band[0] != 'a')
{
if (channel == 14)
else if (channel < 14)
return (channel * 5) + 2407;
}
+ else if (strcmp(band, "ad") == 0)
+ {
+ if (channel < 7)
+ return 56160 + 2160 * channel;
+ }
+ else if (ax)
+ {
+ if (channel == 2)
+ return 5935;
+ if (channel < 233)
+ return (channel * 5) + 5950;
+ }
else
{
if (channel >= 182 && channel <= 196)
return 0;
}
-static char * nl80211_getval(const char *ifname, const char *buf, const char *key)
+static uint8_t nl80211_freq2band(int freq)
{
- int i, len;
- char lkey[64] = { 0 };
- const char *ln = buf;
- static char lval[256] = { 0 };
+ if (freq >= 2412 && freq <= 2484)
+ return IWINFO_BAND_24;
+ else if (freq >= 5160 && freq <= 5885)
+ return IWINFO_BAND_5;
+ else if (freq >= 5925 && freq <= 7125)
+ return IWINFO_BAND_6;
+ else if (freq >= 58320 && freq <= 69120)
+ return IWINFO_BAND_60;
- 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;
+ return 0;
}
-static int nl80211_ifname2phy_cb(struct nl_msg *msg, void *arg)
+static int nl80211_phyname_cb(struct nl_msg *msg, void *arg)
{
char *buf = arg;
struct nlattr **attr = nl80211_parse(msg);
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);
- }
+ nl80211_request(ifname, NL80211_CMD_GET_WIPHY, 0,
+ nl80211_phyname_cb, phy);
+
+ return phy[0] ? phy : NULL;
+}
+
+static char * nl80211_phyidx2name(unsigned int idx)
+{
+ struct nl80211_msg_conveyor *cv;
+ static char phy[32] = { 0 };
+
+ if (nl80211_init() < 0)
+ return NULL;
+
+ cv = nl80211_new(nls->nl80211, NL80211_CMD_GET_WIPHY, 0);
+ if (!cv)
+ return NULL;
+
+ NLA_PUT_U32(cv->msg, NL80211_ATTR_WIPHY, idx);
+
+ memset(phy, 0, sizeof(phy));
+ nl80211_send(cv, nl80211_phyname_cb, phy);
return phy[0] ? phy : NULL;
+
+nla_put_failure:
+ return NULL;
}
static char * nl80211_phy2ifname(const char *ifname)
{
- int fd, ifidx = -1, cifidx = -1, phyidx = -1;
- char buffer[64];
+ int ifidx = -1, cifidx, lmode = 1, clmode, phyidx;
+ char buffer[512];
static char nif[IFNAMSIZ] = { 0 };
-
DIR *d;
struct dirent *e;
- /* Only accept phy name of the form phy%d or radio%d */
+ /* Only accept phy name in the form of phy%d or radio%d */
if (!ifname)
return NULL;
- else if (!strncmp(ifname, "phy", 3))
- phyidx = atoi(&ifname[3]);
- else if (!strncmp(ifname, "radio", 5))
- phyidx = nl80211_phy_idx_from_uci(ifname);
- else
+
+ phyidx = nl80211_phy_idx_from_phy(ifname);
+ if (phyidx < 0)
+ phyidx = nl80211_phy_idx_from_uci(ifname);;
+ if (phyidx < 0)
return NULL;
memset(nif, 0, sizeof(nif));
- if (phyidx > -1)
+ if ((d = opendir("/sys/class/net")) != NULL)
{
- if ((d = opendir("/sys/class/net")) != NULL)
+ while ((e = readdir(d)) != NULL)
{
- while ((e = readdir(d)) != NULL)
- {
- snprintf(buffer, sizeof(buffer),
- "/sys/class/net/%s/phy80211/index", e->d_name);
+ snprintf(buffer, sizeof(buffer),
+ "/sys/class/net/%s/phy80211/index", e->d_name);
+ if (nl80211_readint(buffer) != phyidx)
+ continue;
- if (nl80211_readint(buffer) == phyidx)
- {
- snprintf(buffer, sizeof(buffer),
- "/sys/class/net/%s/ifindex", e->d_name);
+ snprintf(buffer, sizeof(buffer),
+ "/sys/class/net/%s/ifindex", e->d_name);
+ cifidx = nl80211_readint(buffer);
- if ((cifidx = nl80211_readint(buffer)) >= 0 &&
- ((ifidx < 0) || (cifidx < ifidx)))
- {
- ifidx = cifidx;
- strncpy(nif, e->d_name, sizeof(nif));
- }
- }
- }
+ if (cifidx < 0)
+ continue;
+
+ snprintf(buffer, sizeof(buffer),
+ "/sys/class/net/%s/link_mode", e->d_name);
+ clmode = nl80211_readint(buffer);
- closedir(d);
+ /* prefer non-supplicant-based devices */
+ if ((ifidx < 0) || (cifidx < ifidx) || ((lmode == 1) && (clmode != 1)))
+ {
+ ifidx = cifidx;
+ lmode = clmode;
+ strncpy(nif, e->d_name, sizeof(nif) - 1);
+ }
}
+
+ closedir(d);
}
return nif[0] ? nif : NULL;
IWINFO_OPMODE_CLIENT, /* managed */
IWINFO_OPMODE_MASTER, /* AP */
IWINFO_OPMODE_AP_VLAN, /* AP/VLAN */
- IWINFO_OPMODE_WDS, /* WDS */
+ IWINFO_OPMODE_WDS, /* WDS */
IWINFO_OPMODE_MONITOR, /* monitor */
IWINFO_OPMODE_MESHPOINT, /* mesh point */
IWINFO_OPMODE_P2P_CLIENT, /* P2P-client */
static int nl80211_get_mode(const char *ifname, int *buf)
{
char *res;
- struct nl80211_msg_conveyor *req;
- res = nl80211_phy2ifname(ifname);
- req = nl80211_msg(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0);
*buf = IWINFO_OPMODE_UNKNOWN;
- if (req)
- {
- nl80211_send(req, nl80211_get_mode_cb, buf);
- nl80211_free(req);
- }
+ res = nl80211_phy2ifname(ifname);
+
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_mode_cb, buf);
return (*buf == IWINFO_OPMODE_UNKNOWN) ? -1 : 0;
}
-static char * nl80211_hostapd_info(const char *ifname)
+static int __nl80211_hostapd_query(const char *ifname, ...)
{
- int mode;
- char *phy;
- char path[32] = { 0 };
- static char buf[4096] = { 0 };
- FILE *conf;
+ va_list ap, ap_cur;
+ char *phy, *search, *dest, *key, *val, buf[128];
+ int len, mode, found = 0, match = 1;
+ FILE *fp;
if (nl80211_get_mode(ifname, &mode))
- return NULL;
+ return 0;
+
+ if (mode != IWINFO_OPMODE_MASTER && mode != IWINFO_OPMODE_AP_VLAN)
+ return 0;
+
+ phy = nl80211_ifname2phy(ifname);
+
+ if (!phy)
+ return 0;
+
+ snprintf(buf, sizeof(buf), "/var/run/hostapd-%s.conf", phy);
+ fp = fopen(buf, "r");
+
+ if (!fp)
+ return 0;
+
+ va_start(ap, ifname);
+
+ /* clear all destination buffers */
+ va_copy(ap_cur, ap);
+
+ while ((search = va_arg(ap_cur, char *)) != NULL)
+ {
+ dest = va_arg(ap_cur, char *);
+ len = va_arg(ap_cur, int);
+
+ memset(dest, 0, len);
+ }
+
+ va_end(ap_cur);
- if ((mode == IWINFO_OPMODE_MASTER || mode == IWINFO_OPMODE_AP_VLAN) &&
- (phy = nl80211_ifname2phy(ifname)) != NULL)
+ /* iterate applicable lines and copy found values into dest buffers */
+ while (fgets(buf, sizeof(buf), fp))
{
- snprintf(path, sizeof(path), "/var/run/hostapd-%s.conf", phy);
+ key = strtok(buf, " =\t\n");
+ val = strtok(NULL, "\n");
- if ((conf = fopen(path, "r")) != NULL)
+ if (!key || !val || !*key || *key == '#')
+ continue;
+
+ if (!strcmp(key, "interface") || !strcmp(key, "bss"))
+ match = !strcmp(ifname, val);
+
+ if (!match)
+ continue;
+
+ va_copy(ap_cur, ap);
+
+ while ((search = va_arg(ap_cur, char *)) != NULL)
{
- fread(buf, sizeof(buf) - 1, 1, conf);
- fclose(conf);
+ dest = va_arg(ap_cur, char *);
+ len = va_arg(ap_cur, int);
- return buf;
+ if (!strcmp(search, key))
+ {
+ strncpy(dest, val, len - 1);
+ found++;
+ break;
+ }
}
+
+ va_end(ap_cur);
}
- return NULL;
+ fclose(fp);
+
+ va_end(ap);
+
+ return found;
}
+#define nl80211_hostapd_query(ifname, ...) \
+ __nl80211_hostapd_query(ifname, ##__VA_ARGS__, NULL)
+
+
static inline int nl80211_wpactl_recv(int sock, char *buf, int blen)
{
fd_set rfds;
- struct timeval tv = { 2, 0 };
+ struct timeval tv = { 0, 256000 };
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);
+ return recv(sock, buf, blen - 1, 0);
}
-static char * nl80211_wpactl_info(const char *ifname, const char *cmd,
- const char *event)
+static int nl80211_wpactl_connect(const char *ifname, struct sockaddr_un *local)
{
- 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 };
+ size_t remote_length, local_length;
-
- sock = socket(PF_UNIX, SOCK_DGRAM, 0);
+ int sock = socket(PF_UNIX, SOCK_DGRAM, 0);
if (sock < 0)
- return NULL;
+ return sock;
remote.sun_family = AF_UNIX;
- remote_length = sizeof(remote.sun_family) + sprintf(remote.sun_path,
- "/var/run/wpa_supplicant-%s/%s", ifname, ifname);
+ remote_length = sizeof(remote.sun_family) +
+ sprintf(remote.sun_path, "/var/run/wpa_supplicant/%s", ifname);
+
+ /* Set client socket file permissions so that bind() creates the client
+ * socket with these permissions and there is no need to try to change
+ * them with chmod() after bind() which would have potential issues with
+ * race conditions. These permissions are needed to make sure the server
+ * side (wpa_supplicant or hostapd) can reply to the control interface
+ * messages.
+ *
+ * The lchown() calls below after bind() are also part of the needed
+ * operations to allow the response to go through. Those are using the
+ * no-deference-symlinks version to avoid races. */
+ fchmod(sock, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
if (fcntl(sock, F_SETFD, fcntl(sock, F_GETFD) | FD_CLOEXEC) < 0)
- goto out;
-
- if (connect(sock, (struct sockaddr *) &remote, remote_length))
{
- remote_length = sizeof(remote.sun_family) + sprintf(remote.sun_path,
- "/var/run/wpa_supplicant/%s", ifname);
-
- if (connect(sock, (struct sockaddr *) &remote, remote_length))
- goto out;
+ close(sock);
+ return -1;
}
- 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;
-
-
- if (event)
+ if (connect(sock, (struct sockaddr *)&remote, remote_length))
{
- send(sock, "ATTACH", 6, 0);
-
- if (nl80211_wpactl_recv(sock, buffer, sizeof(buffer)-1) <= 0)
- goto out;
+ close(sock);
+ return -1;
}
+ local->sun_family = AF_UNIX;
+ local_length = sizeof(local->sun_family) +
+ sprintf(local->sun_path, "/var/run/iwinfo-%s-%d", ifname, getpid());
- send(sock, cmd, strlen(cmd), 0);
-
- /* we might have to scan up to 72 channels / 256ms per channel */
- /* this makes up to 18.5s hence 10 tries */
- while( numtry++ < 10 )
+ if (bind(sock, (struct sockaddr *)local, local_length) < 0)
{
- char *bracket;
+ close(sock);
+ return -1;
+ }
- /* make sure there is a terminating nul byte */
- if (nl80211_wpactl_recv(sock, buffer, sizeof(buffer)-1) <= 0)
- {
- if (event)
- continue;
+ /* Set group even if we do not have privileges to change owner */
+ lchown(local->sun_path, -1, 101);
+ lchown(local->sun_path, 101, 101);
- break;
- }
+ return sock;
+}
- if ((!event && buffer[0] != '<') || (event && strstr(buffer, event)))
+static int __nl80211_wpactl_query(const char *ifname, ...)
+{
+ va_list ap, ap_cur;
+ struct sockaddr_un local = { 0 };
+ int len, mode, found = 0, sock = -1;
+ char *search, *dest, *key, *val, *line, *pos, buf[512];
+
+ if (nl80211_get_mode(ifname, &mode))
+ return 0;
+
+ if (mode != IWINFO_OPMODE_CLIENT &&
+ mode != IWINFO_OPMODE_ADHOC &&
+ mode != IWINFO_OPMODE_MESHPOINT)
+ return 0;
+
+ sock = nl80211_wpactl_connect(ifname, &local);
+
+ if (sock < 0)
+ return 0;
+
+ va_start(ap, ifname);
+
+ /* clear all destination buffers */
+ va_copy(ap_cur, ap);
+
+ while ((search = va_arg(ap_cur, char *)) != NULL)
+ {
+ dest = va_arg(ap_cur, char *);
+ len = va_arg(ap_cur, int);
+
+ memset(dest, 0, len);
+ }
+
+ va_end(ap_cur);
+
+ send(sock, "STATUS", 6, 0);
+
+ while (true)
+ {
+ if (nl80211_wpactl_recv(sock, buf, sizeof(buf)) <= 0)
break;
- /* there may be more than max(numtry) BSS-ADDED events */
- /* ignore them similar to wpa_cli */
- if (buffer[0] == '<' &&
- (bracket=strchr(buffer,'>')) != NULL &&
- strncmp(bracket+1,"CTRL-EVENT-BSS-ADDED",20) == 0)
- numtry--;
+ if (buf[0] == '<')
+ continue;
+
+ for (line = strtok_r(buf, "\n", &pos);
+ line != NULL;
+ line = strtok_r(NULL, "\n", &pos))
+ {
+ key = strtok(line, "=");
+ val = strtok(NULL, "\n");
+
+ if (!key || !val)
+ continue;
+
+ va_copy(ap_cur, ap);
+
+ while ((search = va_arg(ap_cur, char *)) != NULL)
+ {
+ dest = va_arg(ap_cur, char *);
+ len = va_arg(ap_cur, int);
+
+ if (!strcmp(search, key))
+ {
+ strncpy(dest, val, len - 1);
+ found++;
+ break;
+ }
+ }
+
+ va_end(ap_cur);
+ }
+
+ break;
}
- rv = buffer;
+ va_end(ap);
-out:
close(sock);
+ unlink(local.sun_path);
- if (local.sun_family)
- unlink(local.sun_path);
-
- return rv;
+ return found;
}
+#define nl80211_wpactl_query(ifname, ...) \
+ __nl80211_wpactl_query(ifname, ##__VA_ARGS__, NULL)
+
+
static char * nl80211_ifadd(const char *ifname)
{
- int phyidx;
- char *rv = NULL, path[PATH_MAX];
+ char path[PATH_MAX];
static char nif[IFNAMSIZ] = { 0 };
- struct nl80211_msg_conveyor *req, *res;
+ struct nl80211_msg_conveyor *req;
FILE *sysfs;
req = nl80211_msg(ifname, NL80211_CMD_NEW_INTERFACE, 0);
fclose(sysfs);
}
- rv = nif;
+ return nif;
nla_put_failure:
nl80211_free(req);
}
- return rv;
+ return NULL;
}
static void nl80211_ifdel(const char *ifname)
NLA_PUT_STRING(req->msg, NL80211_ATTR_IFNAME, ifname);
nl80211_send(req, NULL, NULL);
+ return;
nla_put_failure:
nl80211_free(req);
if (phy)
{
snprintf(buf, sizeof(buf), "/var/run/wifi-%s.pid", phy);
- if ((fd = open(buf, O_RDONLY)) > 0)
+ if ((fd = open(buf, O_RDONLY)) >= 0)
{
if (read(fd, buf, sizeof(buf)) > 0)
pid = atoi(buf);
unsigned char bssid[7];
};
+static int nl80211_get_macaddr_cb(struct nl_msg *msg, void *arg)
+{
+ struct nl80211_ssid_bssid *sb = arg;
+ struct nlattr **tb = nl80211_parse(msg);
+
+ if (tb[NL80211_ATTR_MAC]) {
+ sb->bssid[0] = 1;
+ memcpy(sb->bssid + 1, nla_data(tb[NL80211_ATTR_MAC]),
+ sizeof(sb->bssid) - 1);
+ }
+
+ return NL_SKIP;
+}
+
static int nl80211_get_ssid_bssid_cb(struct nl_msg *msg, void *arg)
{
int ielen;
struct nlattr **tb = nl80211_parse(msg);
struct nlattr *bss[NL80211_BSS_MAX + 1];
- static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
- [NL80211_BSS_INFORMATION_ELEMENTS] = { },
+ static const struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
+ [NL80211_BSS_INFORMATION_ELEMENTS] = { 0 },
[NL80211_BSS_STATUS] = { .type = NLA_U32 },
};
static int nl80211_get_ssid(const char *ifname, char *buf)
{
char *res;
- struct nl80211_msg_conveyor *req;
- struct nl80211_ssid_bssid sb;
+ struct nl80211_ssid_bssid sb = { .ssid = (unsigned char *)buf };
/* try to find ssid from scan dump results */
res = nl80211_phy2ifname(ifname);
- req = nl80211_msg(res ? res : ifname, NL80211_CMD_GET_SCAN, NLM_F_DUMP);
+ sb.ssid[0] = 0;
- sb.ssid = buf;
- *buf = 0;
-
- if (req)
- {
- nl80211_send(req, nl80211_get_ssid_bssid_cb, &sb);
- nl80211_free(req);
- }
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_SCAN, NLM_F_DUMP,
+ nl80211_get_ssid_bssid_cb, &sb);
/* failed, try to find from hostapd info */
- if ((*buf == 0) &&
- (res = nl80211_hostapd_info(ifname)) &&
- (res = nl80211_getval(ifname, res, "ssid")))
- {
- memcpy(buf, res, strlen(res));
- }
+ if (sb.ssid[0] == 0)
+ nl80211_hostapd_query(ifname, "ssid", sb.ssid,
+ IWINFO_ESSID_MAX_SIZE + 1);
- return (*buf == 0) ? -1 : 0;
+ /* failed, try to obtain Mesh ID */
+ if (sb.ssid[0] == 0)
+ iwinfo_ubus_query(res ? res : ifname, "mesh_id",
+ buf, IWINFO_ESSID_MAX_SIZE + 1);
+
+ return (sb.ssid[0] == 0) ? -1 : 0;
}
static int nl80211_get_bssid(const char *ifname, char *buf)
{
- char *res;
- struct nl80211_msg_conveyor *req;
- struct nl80211_ssid_bssid sb;
+ char *res, bssid[sizeof("FF:FF:FF:FF:FF:FF\0")];
+ struct nl80211_ssid_bssid sb = { };
- /* try to find bssid from scan dump results */
res = nl80211_phy2ifname(ifname);
- req = nl80211_msg(res ? res : ifname, NL80211_CMD_GET_SCAN, NLM_F_DUMP);
- sb.ssid = NULL;
- sb.bssid[0] = 0;
+ /* try to obtain mac address via NL80211_CMD_GET_INTERFACE */
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_macaddr_cb, &sb);
- if (req)
- {
- nl80211_send(req, nl80211_get_ssid_bssid_cb, &sb);
- nl80211_free(req);
- }
+ /* failed, try to find bssid from scan dump results */
+ if (sb.bssid[0] == 0)
+ nl80211_request(res ? res : ifname,
+ NL80211_CMD_GET_SCAN, NLM_F_DUMP,
+ nl80211_get_ssid_bssid_cb, &sb);
/* failed, try to find mac from hostapd info */
if ((sb.bssid[0] == 0) &&
- (res = nl80211_hostapd_info(ifname)) &&
- (res = nl80211_getval(ifname, res, "bssid")))
+ nl80211_hostapd_query(ifname, "bssid", bssid, sizeof(bssid)))
{
sb.bssid[0] = 1;
- sb.bssid[1] = strtol(&res[0], NULL, 16);
- sb.bssid[2] = strtol(&res[3], NULL, 16);
- sb.bssid[3] = strtol(&res[6], NULL, 16);
- sb.bssid[4] = strtol(&res[9], NULL, 16);
- sb.bssid[5] = strtol(&res[12], NULL, 16);
- sb.bssid[6] = strtol(&res[15], NULL, 16);
+ sb.bssid[1] = strtol(&bssid[0], NULL, 16);
+ sb.bssid[2] = strtol(&bssid[3], NULL, 16);
+ sb.bssid[3] = strtol(&bssid[6], NULL, 16);
+ sb.bssid[4] = strtol(&bssid[9], NULL, 16);
+ sb.bssid[5] = strtol(&bssid[12], NULL, 16);
+ sb.bssid[6] = strtol(&bssid[15], NULL, 16);
}
if (sb.bssid[0])
struct nlattr **attr = nl80211_parse(msg);
struct nlattr *binfo[NL80211_BSS_MAX + 1];
- static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
+ static const struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
[NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
[NL80211_BSS_STATUS] = { .type = NLA_U32 },
};
static int nl80211_get_frequency(const char *ifname, int *buf)
{
- int chn;
- char *res, *channel;
- struct nl80211_msg_conveyor *req;
+ char *res, channel[4] = { 0 }, hwmode[3] = { 0 }, ax[2] = { 0 };
/* try to find frequency from interface info */
res = nl80211_phy2ifname(ifname);
- req = nl80211_msg(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0);
*buf = 0;
- if (req)
- {
- nl80211_send(req, nl80211_get_frequency_info_cb, buf);
- nl80211_free(req);
- }
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_frequency_info_cb, buf);
/* failed, try to find frequency from hostapd info */
if ((*buf == 0) &&
- (res = nl80211_hostapd_info(ifname)) &&
- (channel = nl80211_getval(NULL, res, "channel")))
+ nl80211_hostapd_query(ifname, "hw_mode", hwmode, sizeof(hwmode),
+ "channel", channel, sizeof(channel),
+ "ieee80211ax", ax, sizeof(ax)) >= 2)
{
- chn = atoi(channel);
- *buf = nl80211_channel2freq(chn, nl80211_getval(NULL, res, "hw_mode"));
+ *buf = nl80211_channel2freq(atoi(channel), hwmode, ax[0] == '1');
}
- else
+
+ /* failed, try to find frequency from scan results */
+ if (*buf == 0)
{
- /* failed, try to find frequency from scan results */
- if (*buf == 0)
- {
- res = nl80211_phy2ifname(ifname);
- req = nl80211_msg(res ? res : ifname, NL80211_CMD_GET_SCAN,
- NLM_F_DUMP);
+ res = nl80211_phy2ifname(ifname);
- if (req)
- {
- nl80211_send(req, nl80211_get_frequency_scan_cb, buf);
- nl80211_free(req);
- }
- }
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_SCAN, NLM_F_DUMP,
+ nl80211_get_frequency_scan_cb, buf);
}
return (*buf == 0) ? -1 : 0;
}
+static int nl80211_get_center_freq1_cb(struct nl_msg *msg, void *arg)
+{
+ int *freq = arg;
+ struct nlattr **tb = nl80211_parse(msg);
+
+ if (tb[NL80211_ATTR_CENTER_FREQ1])
+ *freq = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
+
+ return NL_SKIP;
+}
+
+static int nl80211_get_center_freq1(const char *ifname, int *buf)
+{
+ char *res;
+
+ /* try to find frequency from interface info */
+ res = nl80211_phy2ifname(ifname);
+ *buf = 0;
+
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_center_freq1_cb, buf);
+
+ return (*buf == 0) ? -1 : 0;
+}
+
+static int nl80211_get_center_freq2_cb(struct nl_msg *msg, void *arg)
+{
+ int *freq = arg;
+ struct nlattr **tb = nl80211_parse(msg);
+
+ if (tb[NL80211_ATTR_CENTER_FREQ2])
+ *freq = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
+
+ return NL_SKIP;
+}
+
+static int nl80211_get_center_freq2(const char *ifname, int *buf)
+{
+ char *res;
+
+ /* try to find frequency from interface info */
+ res = nl80211_phy2ifname(ifname);
+ *buf = 0;
+
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_center_freq2_cb, buf);
+
+ return (*buf == 0) ? -1 : 0;
+}
+
static int nl80211_get_channel(const char *ifname, int *buf)
{
if (!nl80211_get_frequency(ifname, buf))
return -1;
}
+static int nl80211_get_center_chan1(const char *ifname, int *buf)
+{
+ if (!nl80211_get_center_freq1(ifname, buf))
+ {
+ *buf = nl80211_freq2channel(*buf);
+ return 0;
+ }
+
+ return -1;
+}
+
+static int nl80211_get_center_chan2(const char *ifname, int *buf)
+{
+ if (!nl80211_get_center_freq2(ifname, buf))
+ {
+ *buf = nl80211_freq2channel(*buf);
+ return 0;
+ }
+
+ return -1;
+}
+
+static int nl80211_get_txpower_cb(struct nl_msg *msg, void *arg)
+{
+ int *buf = arg;
+ struct nlattr **tb = nl80211_parse(msg);
+
+ if (tb[NL80211_ATTR_WIPHY_TX_POWER_LEVEL])
+ *buf = iwinfo_mbm2dbm(nla_get_u32(tb[NL80211_ATTR_WIPHY_TX_POWER_LEVEL]));
+
+ return NL_SKIP;
+}
static int nl80211_get_txpower(const char *ifname, int *buf)
{
-#if 0
char *res;
- char path[PATH_MAX];
- res = nl80211_ifname2phy(ifname);
- snprintf(path, sizeof(path), "/sys/kernel/debug/ieee80211/%s/power",
- res ? res : ifname);
+ res = nl80211_phy2ifname(ifname);
+ *buf = 0;
- if ((*buf = nl80211_readint(path)) > -1)
- return 0;
-#endif
+ if (nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_txpower_cb, buf))
+ return -1;
- return wext_ops.txpower(ifname, buf);
+ return 0;
}
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] = {
+ static const 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_BYTES64] = { .type = NLA_U64 },
+ [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
[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_PLINK_STATE] = { .type = NLA_U8 },
};
- static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
+ static const 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 },
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;
+ rr->rssi = (rr->rssi * rr->rssi_samples + dbm) / (rr->rssi_samples + 1);
+ rr->rssi_samples++;
}
if (sinfo[NL80211_STA_INFO_TX_BITRATE])
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;
+ rr->rate = (rr->rate * rr->rate_samples + mbit) / (rr->rate_samples + 1);
+ rr->rate_samples++;
}
}
}
{
DIR *d;
struct dirent *de;
- struct nl80211_msg_conveyor *req;
- r->rssi = 0;
- r->rate = 0;
+ memset(r, 0, sizeof(*r));
if ((d = opendir("/sys/class/net")) != NULL)
{
(!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);
- }
+ nl80211_request(de->d_name, NL80211_CMD_GET_STATION,
+ NLM_F_DUMP, nl80211_fill_signal_cb, r);
}
}
nl80211_fill_signal(ifname, &rr);
- if (rr.rate)
+ if (rr.rate_samples)
{
*buf = (rr.rate * 100);
return 0;
nl80211_fill_signal(ifname, &rr);
- if (rr.rssi)
+ if (rr.rssi_samples)
{
*buf = rr.rssi;
return 0;
struct nlattr **tb = nl80211_parse(msg);
struct nlattr *si[NL80211_SURVEY_INFO_MAX + 1];
- static struct nla_policy sp[NL80211_SURVEY_INFO_MAX + 1] = {
+ static const struct nla_policy sp[NL80211_SURVEY_INFO_MAX + 1] = {
[NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
[NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
};
static 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;
+ int8_t noise = 0;
- nl80211_send(req, nl80211_get_noise_cb, &noise);
- nl80211_free(req);
+ if (nl80211_request(ifname, NL80211_CMD_GET_SURVEY, NLM_F_DUMP,
+ nl80211_get_noise_cb, &noise))
+ goto out;
- if (noise)
- {
- *buf = noise;
- return 0;
- }
- }
+ *buf = noise;
+ return 0;
+out:
+ *buf = 0;
return -1;
}
return 0;
}
-static int nl80211_get_encryption(const char *ifname, char *buf)
+static int nl80211_check_wepkey(const char *key)
{
- 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")))
+ if (key && *key)
{
- /* WEP */
- if (strstr(val, "WEP"))
+ switch (strlen(key))
{
- 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;
+ case 5:
+ case 10:
+ return IWINFO_CIPHER_WEP40;
- c->auth_suites |= IWINFO_KMGMT_NONE;
- c->auth_algs |= IWINFO_AUTH_OPEN; /* XXX: assumption */
+ case 13:
+ case 26:
+ return IWINFO_CIPHER_WEP104;
}
+ }
- /* WPA */
- else
- {
- if (strstr(val, "TKIP"))
- c->pair_ciphers |= IWINFO_CIPHER_TKIP;
-
- else if (strstr(val, "CCMP"))
- c->pair_ciphers |= IWINFO_CIPHER_CCMP;
+ return 0;
+}
- else if (strstr(val, "NONE"))
- c->pair_ciphers |= IWINFO_CIPHER_NONE;
+static const struct {
+ const char *match;
+ int version;
+ int suite;
+} wpa_key_mgmt_strings[] = {
+ { "IEEE 802.1X/EAP", 0, IWINFO_KMGMT_8021x },
+ { "EAP-SUITE-B-192", 4, IWINFO_KMGMT_8021x },
+ { "EAP-SUITE-B", 4, IWINFO_KMGMT_8021x },
+ { "EAP-SHA384", 4, IWINFO_KMGMT_8021x },
+ { "EAP-SHA256", 0, IWINFO_KMGMT_8021x },
+ { "PSK-SHA256", 0, IWINFO_KMGMT_PSK },
+ { "NONE", 0, IWINFO_KMGMT_NONE },
+ { "None", 0, IWINFO_KMGMT_NONE },
+ { "PSK", 0, IWINFO_KMGMT_PSK },
+ { "EAP", 0, IWINFO_KMGMT_8021x },
+ { "SAE", 4, IWINFO_KMGMT_SAE },
+ { "OWE", 4, IWINFO_KMGMT_OWE }
+};
- else if (strstr(val, "WEP-40"))
- c->pair_ciphers |= IWINFO_CIPHER_WEP40;
+static void parse_wpa_suites(const char *str, int defversion,
+ uint8_t *versions, uint8_t *suites)
+{
+ size_t l;
+ int i, version;
+ const char *p, *q, *m, *sep = " \t\n,-+/";
- else if (strstr(val, "WEP-104"))
- c->pair_ciphers |= IWINFO_CIPHER_WEP104;
+ for (p = str; *p; )
+ {
+ q = p;
+ for (i = 0; i < ARRAY_SIZE(wpa_key_mgmt_strings); i++)
+ {
+ m = wpa_key_mgmt_strings[i].match;
+ l = strlen(m);
- if ((val = nl80211_getval(NULL, res, "group_cipher")))
+ if (!strncmp(q, m, l) && (!q[l] || strchr(sep, q[l])))
{
- 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;
+ if (wpa_key_mgmt_strings[i].version != 0)
+ version = wpa_key_mgmt_strings[i].version;
+ else
+ version = defversion;
- else if (strstr(val, "WEP-40"))
- c->group_ciphers |= IWINFO_CIPHER_WEP40;
+ *versions |= version;
+ *suites |= wpa_key_mgmt_strings[i].suite;
- else if (strstr(val, "WEP-104"))
- c->group_ciphers |= IWINFO_CIPHER_WEP104;
+ q += l;
+ break;
}
+ }
+ if (q == p)
+ q += strcspn(q, sep);
- if ((val = nl80211_getval(NULL, res, "key_mgmt")))
- {
- if (strstr(val, "WPA2"))
- c->wpa_version = 2;
+ p = q + strspn(q, sep);
+ }
+}
+
+static const struct {
+ const char *match;
+ int cipher;
+} wpa_cipher_strings[] = {
+ { "WEP-104", IWINFO_CIPHER_WEP104 },
+ { "WEP-40", IWINFO_CIPHER_WEP40 },
+ { "NONE", IWINFO_CIPHER_NONE },
+ { "TKIP", IWINFO_CIPHER_TKIP },
+ { "CCMP-256",IWINFO_CIPHER_CCMP256 },
+ { "CCMP", IWINFO_CIPHER_CCMP },
+ { "GCMP-256",IWINFO_CIPHER_GCMP256 },
+ { "GCMP", IWINFO_CIPHER_GCMP }
+};
- else if (strstr(val, "WPA"))
- c->wpa_version = 1;
+static void parse_wpa_ciphers(const char *str, uint16_t *ciphers)
+{
+ int i;
+ size_t l;
+ const char *m, *p, *q, *sep = " \t\n,-+/";
+ for (p = str; *p; )
+ {
+ q = p;
- if (strstr(val, "PSK"))
- c->auth_suites |= IWINFO_KMGMT_PSK;
+ for (i = 0; i < ARRAY_SIZE(wpa_cipher_strings); i++)
+ {
+ m = wpa_cipher_strings[i].match;
+ l = strlen(m);
- else if (strstr(val, "EAP") || strstr(val, "802.1X"))
- c->auth_suites |= IWINFO_KMGMT_8021x;
+ if (!strncmp(q, m, l) && (!q[l] || strchr(sep, q[l])))
+ {
+ *ciphers |= wpa_cipher_strings[i].cipher;
- else if (strstr(val, "NONE"))
- c->auth_suites |= IWINFO_KMGMT_NONE;
+ q += l;
+ break;
}
-
- c->enabled = (c->wpa_version && c->auth_suites) ? 1 : 0;
}
- return 0;
+ if (q == p)
+ q += strcspn(q, sep);
+
+ p = q + strspn(q, sep);
}
+}
- /* Hostapd */
- else if ((res = nl80211_hostapd_info(ifname)))
- {
- if ((val = nl80211_getval(ifname, res, "wpa")) != NULL)
- c->wpa_version = atoi(val);
+static int nl80211_get_encryption(const char *ifname, char *buf)
+{
+ char *p;
+ int opmode;
+ uint8_t wpa_version = 0;
+ char wpa[2], wpa_key_mgmt[64], wpa_pairwise[16], wpa_groupwise[16];
+ char auth_algs[2], wep_key0[27], wep_key1[27], wep_key2[27], wep_key3[27];
+ char mode[16];
- val = nl80211_getval(ifname, res, "wpa_key_mgmt");
+ struct iwinfo_crypto_entry *c = (struct iwinfo_crypto_entry *)buf;
- if (!val || strstr(val, "PSK"))
- c->auth_suites |= IWINFO_KMGMT_PSK;
+ /* WPA supplicant */
+ if (nl80211_wpactl_query(ifname,
+ "pairwise_cipher", wpa_pairwise, sizeof(wpa_pairwise),
+ "group_cipher", wpa_groupwise, sizeof(wpa_groupwise),
+ "key_mgmt", wpa_key_mgmt, sizeof(wpa_key_mgmt),
+ "mode", mode, sizeof(mode)))
+ {
+ /* WEP or Open */
+ if (!strcmp(wpa_key_mgmt, "NONE"))
+ {
+ parse_wpa_ciphers(wpa_pairwise, &c->pair_ciphers);
+ parse_wpa_ciphers(wpa_groupwise, &c->group_ciphers);
- if (val && strstr(val, "EAP"))
- c->auth_suites |= IWINFO_KMGMT_8021x;
+ if (c->pair_ciphers != 0 && c->pair_ciphers != IWINFO_CIPHER_NONE) {
+ c->enabled = 1;
+ c->auth_suites = IWINFO_KMGMT_NONE;
+ c->auth_algs = IWINFO_AUTH_OPEN | IWINFO_AUTH_SHARED;
+ }
+ else {
+ c->pair_ciphers = 0;
+ c->group_ciphers = 0;
+ }
+ }
- if (val && strstr(val, "NONE"))
- c->auth_suites |= IWINFO_KMGMT_NONE;
+ /* MESH with SAE */
+ else if (!strcmp(mode, "mesh") && !strcmp(wpa_key_mgmt, "UNKNOWN"))
+ {
+ c->enabled = 1;
+ c->wpa_version = 4;
+ c->auth_suites = IWINFO_KMGMT_SAE;
+ c->pair_ciphers = IWINFO_CIPHER_CCMP;
+ c->group_ciphers = IWINFO_CIPHER_CCMP;
+ }
- if ((val = nl80211_getval(ifname, res, "wpa_pairwise")) != NULL)
+ /* WPA */
+ else
{
- if (strstr(val, "TKIP"))
- c->pair_ciphers |= IWINFO_CIPHER_TKIP;
+ parse_wpa_ciphers(wpa_pairwise, &c->pair_ciphers);
+ parse_wpa_ciphers(wpa_groupwise, &c->group_ciphers);
+
+ p = wpa_key_mgmt;
+
+ if (!strncmp(p, "WPA2-", 5) || !strncmp(p, "WPA2/", 5))
+ {
+ p += 5;
+ wpa_version = 2;
+ }
+ else if (!strncmp(p, "WPA-", 4))
+ {
+ p += 4;
+ wpa_version = 1;
+ }
- if (strstr(val, "CCMP"))
- c->pair_ciphers |= IWINFO_CIPHER_CCMP;
+ parse_wpa_suites(p, wpa_version, &c->wpa_version, &c->auth_suites);
- if (strstr(val, "NONE"))
- c->pair_ciphers |= IWINFO_CIPHER_NONE;
+ c->enabled = !!(c->wpa_version && c->auth_suites);
}
- if ((val = nl80211_getval(ifname, res, "auth_algs")) != NULL)
- {
- switch(atoi(val)) {
- case 1:
- c->auth_algs |= IWINFO_AUTH_OPEN;
- break;
+ return 0;
+ }
- case 2:
- c->auth_algs |= IWINFO_AUTH_SHARED;
- break;
+ /* Hostapd */
+ else if (nl80211_hostapd_query(ifname,
+ "wpa", wpa, sizeof(wpa),
+ "wpa_key_mgmt", wpa_key_mgmt, sizeof(wpa_key_mgmt),
+ "wpa_pairwise", wpa_pairwise, sizeof(wpa_pairwise),
+ "auth_algs", auth_algs, sizeof(auth_algs),
+ "wep_key0", wep_key0, sizeof(wep_key0),
+ "wep_key1", wep_key1, sizeof(wep_key1),
+ "wep_key2", wep_key2, sizeof(wep_key2),
+ "wep_key3", wep_key3, sizeof(wep_key3)))
+ {
+ c->wpa_version = 0;
+
+ if (wpa_key_mgmt[0])
+ {
+ for (p = strtok(wpa_key_mgmt, " \t"); p != NULL; p = strtok(NULL, " \t"))
+ {
+ if (!strncmp(p, "WPA-", 4))
+ p += 4;
- case 3:
- c->auth_algs |= IWINFO_AUTH_OPEN;
- c->auth_algs |= IWINFO_AUTH_SHARED;
- break;
+ if (!strncmp(p, "FT-", 3))
+ p += 3;
- default:
- break;
+ parse_wpa_suites(p, atoi(wpa), &c->wpa_version, &c->auth_suites);
}
- for (i = 0; i < 4; i++)
+ c->enabled = c->wpa_version ? 1 : 0;
+ }
+
+ if (wpa_pairwise[0])
+ parse_wpa_ciphers(wpa_pairwise, &c->pair_ciphers);
+
+ if (auth_algs[0])
+ {
+ switch (atoi(auth_algs))
{
- snprintf(k, sizeof(k), "wep_key%d", i);
+ case 1:
+ c->auth_algs |= IWINFO_AUTH_OPEN;
+ break;
- if ((val = nl80211_getval(ifname, res, k)))
- {
- if ((strlen(val) == 5) || (strlen(val) == 10))
- c->pair_ciphers |= IWINFO_CIPHER_WEP40;
+ case 2:
+ c->auth_algs |= IWINFO_AUTH_SHARED;
+ break;
- else if ((strlen(val) == 13) || (strlen(val) == 26))
- c->pair_ciphers |= IWINFO_CIPHER_WEP104;
- }
+ case 3:
+ c->auth_algs |= IWINFO_AUTH_OPEN;
+ c->auth_algs |= IWINFO_AUTH_SHARED;
+ break;
}
+
+ c->pair_ciphers |= nl80211_check_wepkey(wep_key0);
+ c->pair_ciphers |= nl80211_check_wepkey(wep_key1);
+ c->pair_ciphers |= nl80211_check_wepkey(wep_key2);
+ c->pair_ciphers |= nl80211_check_wepkey(wep_key3);
+
+ c->enabled = (c->auth_algs && c->pair_ciphers) ? 1 : 0;
}
c->group_ciphers = c->pair_ciphers;
- c->enabled = (c->wpa_version || c->pair_ciphers) ? 1 : 0;
return 0;
}
+ /* Ad-Hoc or Mesh interfaces without wpa_supplicant are open */
+ else if (!nl80211_get_mode(ifname, &opmode) &&
+ (opmode == IWINFO_OPMODE_ADHOC ||
+ opmode == IWINFO_OPMODE_MESHPOINT))
+ {
+ c->enabled = 0;
+
+ return 0;
+ }
+
+
return -1;
}
}
-static int nl80211_get_assoclist_cb(struct nl_msg *msg, void *arg)
+static void nl80211_parse_rateinfo(struct nlattr **ri,
+ struct iwinfo_rate_entry *re)
+{
+ if (ri[NL80211_RATE_INFO_BITRATE32])
+ re->rate = nla_get_u32(ri[NL80211_RATE_INFO_BITRATE32]) * 100;
+ else if (ri[NL80211_RATE_INFO_BITRATE])
+ re->rate = nla_get_u16(ri[NL80211_RATE_INFO_BITRATE]) * 100;
+
+ if (ri[NL80211_RATE_INFO_HE_MCS])
+ {
+ re->is_he = 1;
+ re->mcs = nla_get_u8(ri[NL80211_RATE_INFO_HE_MCS]);
+
+ if (ri[NL80211_RATE_INFO_HE_NSS])
+ re->nss = nla_get_u8(ri[NL80211_RATE_INFO_HE_NSS]);
+ if (ri[NL80211_RATE_INFO_HE_GI])
+ re->he_gi = nla_get_u8(ri[NL80211_RATE_INFO_HE_GI]);
+ if (ri[NL80211_RATE_INFO_HE_DCM])
+ re->he_dcm = nla_get_u8(ri[NL80211_RATE_INFO_HE_DCM]);
+ }
+ else if (ri[NL80211_RATE_INFO_VHT_MCS])
+ {
+ re->is_vht = 1;
+ re->mcs = nla_get_u8(ri[NL80211_RATE_INFO_VHT_MCS]);
+
+ if (ri[NL80211_RATE_INFO_VHT_NSS])
+ re->nss = nla_get_u8(ri[NL80211_RATE_INFO_VHT_NSS]);
+ }
+ else if (ri[NL80211_RATE_INFO_MCS])
+ {
+ re->is_ht = 1;
+ re->mcs = nla_get_u8(ri[NL80211_RATE_INFO_MCS]);
+ }
+
+ if (ri[NL80211_RATE_INFO_5_MHZ_WIDTH])
+ re->mhz = 5;
+ else if (ri[NL80211_RATE_INFO_10_MHZ_WIDTH])
+ re->mhz = 10;
+ else if (ri[NL80211_RATE_INFO_40_MHZ_WIDTH])
+ re->mhz = 40;
+ else if (ri[NL80211_RATE_INFO_80_MHZ_WIDTH])
+ re->mhz = 80;
+ else if (ri[NL80211_RATE_INFO_80P80_MHZ_WIDTH] ||
+ ri[NL80211_RATE_INFO_160_MHZ_WIDTH])
+ re->mhz = 160;
+ else
+ re->mhz = 20;
+
+ if (ri[NL80211_RATE_INFO_SHORT_GI])
+ re->is_short_gi = 1;
+
+ re->is_40mhz = (re->mhz == 40);
+}
+
+static int nl80211_get_survey_cb(struct nl_msg *msg, void *arg)
+{
+ struct nl80211_array_buf *arr = arg;
+ struct iwinfo_survey_entry *e = arr->buf;
+ struct nlattr **attr = nl80211_parse(msg);
+ struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
+ int rc;
+
+ static const struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
+ [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
+ [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
+ [NL80211_SURVEY_INFO_TIME] = { .type = NLA_U64 },
+ [NL80211_SURVEY_INFO_TIME_BUSY] = { .type = NLA_U64 },
+ [NL80211_SURVEY_INFO_TIME_EXT_BUSY] = { .type = NLA_U64 },
+ [NL80211_SURVEY_INFO_TIME_RX] = { .type = NLA_U64 },
+ [NL80211_SURVEY_INFO_TIME_TX] = { .type = NLA_U64 },
+ };
+
+ rc = nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
+ attr[NL80211_ATTR_SURVEY_INFO],
+ survey_policy);
+ if (rc)
+ return NL_SKIP;
+
+ /* advance to end of array */
+ e += arr->count;
+ memset(e, 0, sizeof(*e));
+
+ if (sinfo[NL80211_SURVEY_INFO_FREQUENCY])
+ e->mhz = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
+
+ if (sinfo[NL80211_SURVEY_INFO_NOISE])
+ e->noise = nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
+
+ if (sinfo[NL80211_SURVEY_INFO_TIME])
+ e->active_time = nla_get_u64(sinfo[NL80211_SURVEY_INFO_TIME]);
+
+ if (sinfo[NL80211_SURVEY_INFO_TIME_BUSY])
+ e->busy_time = nla_get_u64(sinfo[NL80211_SURVEY_INFO_TIME_BUSY]);
+
+ if (sinfo[NL80211_SURVEY_INFO_TIME_EXT_BUSY])
+ e->busy_time_ext = nla_get_u64(sinfo[NL80211_SURVEY_INFO_TIME_EXT_BUSY]);
+
+ if (sinfo[NL80211_SURVEY_INFO_TIME_RX])
+ e->rxtime = nla_get_u64(sinfo[NL80211_SURVEY_INFO_TIME_RX]);
+
+ if (sinfo[NL80211_SURVEY_INFO_TIME_TX])
+ e->txtime = nla_get_u64(sinfo[NL80211_SURVEY_INFO_TIME_TX]);
+
+ arr->count++;
+ return NL_SKIP;
+}
+
+
+static void plink_state_to_str(char *dst, unsigned state)
+{
+ switch (state) {
+ case NL80211_PLINK_LISTEN:
+ strcpy(dst, "LISTEN");
+ break;
+ case NL80211_PLINK_OPN_SNT:
+ strcpy(dst, "OPN_SNT");
+ break;
+ case NL80211_PLINK_OPN_RCVD:
+ strcpy(dst, "OPN_RCVD");
+ break;
+ case NL80211_PLINK_CNF_RCVD:
+ strcpy(dst, "CNF_RCVD");
+ break;
+ case NL80211_PLINK_ESTAB:
+ strcpy(dst, "ESTAB");
+ break;
+ case NL80211_PLINK_HOLDING:
+ strcpy(dst, "HOLDING");
+ break;
+ case NL80211_PLINK_BLOCKED:
+ strcpy(dst, "BLOCKED");
+ break;
+ default:
+ strcpy(dst, "UNKNOWN");
+ break;
+ }
+}
+
+static void power_mode_to_str(char *dst, struct nlattr *a)
+{
+ enum nl80211_mesh_power_mode pm = nla_get_u32(a);
+
+ switch (pm) {
+ case NL80211_MESH_POWER_ACTIVE:
+ strcpy(dst, "ACTIVE");
+ break;
+ case NL80211_MESH_POWER_LIGHT_SLEEP:
+ strcpy(dst, "LIGHT SLEEP");
+ break;
+ case NL80211_MESH_POWER_DEEP_SLEEP:
+ strcpy(dst, "DEEP SLEEP");
+ break;
+ default:
+ strcpy(dst, "UNKNOWN");
+ break;
+ }
+}
+
+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];
struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
+ struct nl80211_sta_flag_update *sta_flags;
- static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
+ static const struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
[NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
[NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
[NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
[NL80211_STA_INFO_RX_BITRATE] = { .type = NLA_NESTED },
[NL80211_STA_INFO_TX_BITRATE] = { .type = NLA_NESTED },
[NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
+ [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
+ [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
+ [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
+ [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
+ [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
+ [NL80211_STA_INFO_TX_RETRIES] = { .type = NLA_U32 },
+ [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
+ [NL80211_STA_INFO_CONNECTED_TIME]= { .type = NLA_U32 },
+ [NL80211_STA_INFO_RX_DROP_MISC] = { .type = NLA_U64 },
+ [NL80211_STA_INFO_T_OFFSET] = { .type = NLA_U64 },
+ [NL80211_STA_INFO_STA_FLAGS] =
+ { .minlen = sizeof(struct nl80211_sta_flag_update) },
+ [NL80211_STA_INFO_EXPECTED_THROUGHPUT] = { .type = NLA_U32 },
+ /* mesh */
+ [NL80211_STA_INFO_LLID] = { .type = NLA_U16 },
+ [NL80211_STA_INFO_PLID] = { .type = NLA_U16 },
+ [NL80211_STA_INFO_PLINK_STATE] = { .type = NLA_U8 },
+ [NL80211_STA_INFO_LOCAL_PM] = { .type = NLA_U32 },
+ [NL80211_STA_INFO_PEER_PM] = { .type = NLA_U32 },
+ [NL80211_STA_INFO_NONPEER_PM] = { .type = NLA_U32 },
};
- static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
+ static const 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 },
if (sinfo[NL80211_STA_INFO_SIGNAL])
e->signal = nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
+ if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
+ e->signal_avg = nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
+
if (sinfo[NL80211_STA_INFO_INACTIVE_TIME])
e->inactive = nla_get_u32(sinfo[NL80211_STA_INFO_INACTIVE_TIME]);
+ if (sinfo[NL80211_STA_INFO_CONNECTED_TIME])
+ e->connected_time = nla_get_u32(sinfo[NL80211_STA_INFO_CONNECTED_TIME]);
+
if (sinfo[NL80211_STA_INFO_RX_PACKETS])
e->rx_packets = nla_get_u32(sinfo[NL80211_STA_INFO_RX_PACKETS]);
if (sinfo[NL80211_STA_INFO_RX_BITRATE] &&
!nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
sinfo[NL80211_STA_INFO_RX_BITRATE], rate_policy))
- {
- if (rinfo[NL80211_RATE_INFO_BITRATE])
- e->rx_rate.rate =
- nla_get_u16(rinfo[NL80211_RATE_INFO_BITRATE]) * 100;
-
- if (rinfo[NL80211_RATE_INFO_MCS])
- e->rx_rate.mcs = nla_get_u8(rinfo[NL80211_RATE_INFO_MCS]);
-
- if (rinfo[NL80211_RATE_INFO_40_MHZ_WIDTH])
- e->rx_rate.is_40mhz = 1;
-
- if (rinfo[NL80211_RATE_INFO_SHORT_GI])
- e->rx_rate.is_short_gi = 1;
- }
+ nl80211_parse_rateinfo(rinfo, &e->rx_rate);
if (sinfo[NL80211_STA_INFO_TX_BITRATE] &&
!nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
sinfo[NL80211_STA_INFO_TX_BITRATE], rate_policy))
+ nl80211_parse_rateinfo(rinfo, &e->tx_rate);
+
+ if (sinfo[NL80211_STA_INFO_RX_BYTES64])
+ e->rx_bytes = nla_get_u64(sinfo[NL80211_STA_INFO_RX_BYTES64]);
+ else if (sinfo[NL80211_STA_INFO_RX_BYTES])
+ e->rx_bytes = nla_get_u32(sinfo[NL80211_STA_INFO_RX_BYTES]);
+
+ if (sinfo[NL80211_STA_INFO_TX_BYTES64])
+ e->tx_bytes = nla_get_u64(sinfo[NL80211_STA_INFO_TX_BYTES64]);
+ else if (sinfo[NL80211_STA_INFO_TX_BYTES])
+ e->tx_bytes = nla_get_u32(sinfo[NL80211_STA_INFO_TX_BYTES]);
+
+ if (sinfo[NL80211_STA_INFO_TX_RETRIES])
+ e->tx_retries = nla_get_u32(sinfo[NL80211_STA_INFO_TX_RETRIES]);
+
+ if (sinfo[NL80211_STA_INFO_TX_FAILED])
+ e->tx_failed = nla_get_u32(sinfo[NL80211_STA_INFO_TX_FAILED]);
+
+ if (sinfo[NL80211_STA_INFO_T_OFFSET])
+ e->t_offset = nla_get_u64(sinfo[NL80211_STA_INFO_T_OFFSET]);
+
+ if (sinfo[NL80211_STA_INFO_RX_DROP_MISC])
+ e->rx_drop_misc = nla_get_u64(sinfo[NL80211_STA_INFO_RX_DROP_MISC]);
+
+ if (sinfo[NL80211_STA_INFO_EXPECTED_THROUGHPUT])
+ e->thr = nla_get_u32(sinfo[NL80211_STA_INFO_EXPECTED_THROUGHPUT]);
+
+ /* mesh */
+ if (sinfo[NL80211_STA_INFO_LLID])
+ e->llid = nla_get_u16(sinfo[NL80211_STA_INFO_LLID]);
+
+ if (sinfo[NL80211_STA_INFO_PLID])
+ e->plid = nla_get_u16(sinfo[NL80211_STA_INFO_PLID]);
+
+ if (sinfo[NL80211_STA_INFO_PLINK_STATE])
+ plink_state_to_str(e->plink_state,
+ nla_get_u8(sinfo[NL80211_STA_INFO_PLINK_STATE]));
+
+ if (sinfo[NL80211_STA_INFO_LOCAL_PM])
+ power_mode_to_str(e->local_ps, sinfo[NL80211_STA_INFO_LOCAL_PM]);
+ if (sinfo[NL80211_STA_INFO_PEER_PM])
+ power_mode_to_str(e->peer_ps, sinfo[NL80211_STA_INFO_PEER_PM]);
+ if (sinfo[NL80211_STA_INFO_NONPEER_PM])
+ power_mode_to_str(e->nonpeer_ps, sinfo[NL80211_STA_INFO_NONPEER_PM]);
+
+ /* Station flags */
+ if (sinfo[NL80211_STA_INFO_STA_FLAGS])
{
- if (rinfo[NL80211_RATE_INFO_BITRATE])
- e->tx_rate.rate =
- nla_get_u16(rinfo[NL80211_RATE_INFO_BITRATE]) * 100;
+ sta_flags = (struct nl80211_sta_flag_update *)
+ nla_data(sinfo[NL80211_STA_INFO_STA_FLAGS]);
+
+ if (sta_flags->mask & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
+ sta_flags->set & BIT(NL80211_STA_FLAG_AUTHORIZED))
+ e->is_authorized = 1;
+
+ if (sta_flags->mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
+ sta_flags->set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
+ e->is_authenticated = 1;
+
+ if (sta_flags->mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) &&
+ sta_flags->set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
+ e->is_preamble_short = 1;
- if (rinfo[NL80211_RATE_INFO_MCS])
- e->tx_rate.mcs = nla_get_u8(rinfo[NL80211_RATE_INFO_MCS]);
+ if (sta_flags->mask & BIT(NL80211_STA_FLAG_WME) &&
+ sta_flags->set & BIT(NL80211_STA_FLAG_WME))
+ e->is_wme = 1;
- if (rinfo[NL80211_RATE_INFO_40_MHZ_WIDTH])
- e->tx_rate.is_40mhz = 1;
+ if (sta_flags->mask & BIT(NL80211_STA_FLAG_MFP) &&
+ sta_flags->set & BIT(NL80211_STA_FLAG_MFP))
+ e->is_mfp = 1;
- if (rinfo[NL80211_RATE_INFO_SHORT_GI])
- e->tx_rate.is_short_gi = 1;
+ if (sta_flags->mask & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
+ sta_flags->set & BIT(NL80211_STA_FLAG_TDLS_PEER))
+ e->is_tdls = 1;
}
}
return NL_SKIP;
}
+static int nl80211_get_survey(const char *ifname, char *buf, int *len)
+{
+ struct nl80211_array_buf arr = { .buf = buf, .count = 0 };
+ int rc;
+
+ rc = nl80211_request(ifname, NL80211_CMD_GET_SURVEY,
+ NLM_F_DUMP, nl80211_get_survey_cb, &arr);
+ if (!rc)
+ *len = (arr.count * sizeof(struct iwinfo_survey_entry));
+ else
+ *len = 0;
+
+ return 0;
+}
+
static 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;
(!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);
- }
+ nl80211_request(de->d_name, NL80211_CMD_GET_STATION,
+ NLM_F_DUMP, nl80211_get_assoclist_cb, &arr);
}
}
struct nlattr *freqs[NL80211_FREQUENCY_ATTR_MAX + 1];
struct nlattr *band, *freq;
- static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
+ static const 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 },
static int nl80211_get_txpwrlist(const char *ifname, char *buf, int *len)
{
- int ch_cur;
+ int err, 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;
+ /* initialize the value pointer with channel for callback */
+ dbm_max = ch_cur;
- nl80211_send(req, nl80211_get_txpwrlist_cb, &dbm_max);
- nl80211_free(req);
- }
+ err = nl80211_request(ifname, NL80211_CMD_GET_WIPHY, 0,
+ nl80211_get_txpwrlist_cb, &dbm_max);
- if (dbm_max > 0)
+ if (!err)
{
for (dbm_cur = 0, dbm_cnt = 0;
dbm_cur < dbm_max;
return -1;
}
-static void nl80211_get_scancrypto(const char *spec,
- struct iwinfo_crypto_entry *c)
+static void nl80211_get_scancrypto(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;
+ int wpa_version = 0;
+ char *p, *q, *proto, *suites;
- 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;
+ c->enabled = 0;
+ for (p = strtok_r(spec, "[]", &q); p; p = strtok_r(NULL, "[]", &q)) {
+ if (!strcmp(p, "WEP")) {
+ c->enabled = 1;
+ c->auth_suites = IWINFO_KMGMT_NONE;
+ c->auth_algs = IWINFO_AUTH_OPEN | IWINFO_AUTH_SHARED;
+ c->pair_ciphers = IWINFO_CIPHER_WEP40 | IWINFO_CIPHER_WEP104;
+ break;
+ }
- if (strstr(spec, "TKIP"))
- c->pair_ciphers |= IWINFO_CIPHER_TKIP;
+ proto = strtok(p, "-");
+ suites = strtok(NULL, "]");
- if (strstr(spec, "CCMP"))
- c->pair_ciphers |= IWINFO_CIPHER_CCMP;
+ if (!proto || !suites)
+ continue;
- if (strstr(spec, "WEP-40"))
- c->pair_ciphers |= IWINFO_CIPHER_WEP40;
+ if (!strcmp(proto, "WPA2") || !strcmp(proto, "RSN"))
+ wpa_version = 2;
+ else if (!strcmp(proto, "WPA"))
+ wpa_version = 1;
+ else
+ continue;
- if (strstr(spec, "WEP-104"))
- c->pair_ciphers |= IWINFO_CIPHER_WEP104;
+ c->enabled = 1;
- c->group_ciphers = c->pair_ciphers;
- }
- else
- {
- c->enabled = 0;
+ parse_wpa_suites(suites, wpa_version, &c->wpa_version, &c->auth_suites);
+ parse_wpa_ciphers(suites, &c->pair_ciphers);
}
}
switch (ie[0])
{
case 0: /* SSID */
- len = min(ie[1], IWINFO_ESSID_MAX_SIZE);
- memcpy(e->ssid, ie + 2, len);
- e->ssid[len] = 0;
+ case 114: /* Mesh ID */
+ if (e->ssid[0] == 0) {
+ len = min(ie[1], IWINFO_ESSID_MAX_SIZE);
+ memcpy(e->ssid, ie + 2, len);
+ e->ssid[len] = 0;
+ }
break;
case 48: /* RSN */
iwinfo_parse_rsn(&e->crypto, ie + 6, ie[1] - 4,
IWINFO_CIPHER_TKIP, IWINFO_KMGMT_PSK);
break;
+ case 61: /* HT operation */
+ if (ie[1] >= 3) {
+ e->ht_chan_info.primary_chan = ie[2];
+ e->ht_chan_info.secondary_chan_off = ie[3] & 0x3;
+ e->ht_chan_info.chan_width = (ie[4] & 0x4)>>2;
+ }
+ break;
+ case 192: /* VHT operation */
+ if (ie[1] >= 3) {
+ e->vht_chan_info.chan_width = ie[2];
+ e->vht_chan_info.center_chan_1 = ie[3];
+ e->vht_chan_info.center_chan_2 = ie[4];
+ }
+ break;
}
ielen -= ie[1] + 2;
struct nlattr **tb = nl80211_parse(msg);
struct nlattr *bss[NL80211_BSS_MAX + 1];
- static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
+ static const struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
[NL80211_BSS_TSF] = { .type = NLA_U64 },
[NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
- [NL80211_BSS_BSSID] = { },
+ [NL80211_BSS_BSSID] = { 0 },
[NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
[NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
- [NL80211_BSS_INFORMATION_ELEMENTS] = { },
+ [NL80211_BSS_INFORMATION_ELEMENTS] = { 0 },
[NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
[NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
[NL80211_BSS_STATUS] = { .type = NLA_U32 },
[NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
- [NL80211_BSS_BEACON_IES] = { },
+ [NL80211_BSS_BEACON_IES] = { 0 },
};
if (!tb[NL80211_ATTR_BSS] ||
sl->e->crypto.enabled = 1;
if (bss[NL80211_BSS_FREQUENCY])
- sl->e->channel = nl80211_freq2channel(nla_get_u32(
- bss[NL80211_BSS_FREQUENCY]));
+ {
+ sl->e->mhz = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
+ sl->e->band = nl80211_freq2band(sl->e->mhz);
+ sl->e->channel = nl80211_freq2channel(sl->e->mhz);
+ }
if (bss[NL80211_BSS_INFORMATION_ELEMENTS])
nl80211_get_scanlist_ie(bss, sl->e);
static int nl80211_get_scanlist_nl(const char *ifname, char *buf, int *len)
{
- struct nl80211_msg_conveyor *req;
struct nl80211_scanlist sl = { .e = (struct iwinfo_scanlist_entry *)buf };
- req = nl80211_msg(ifname, NL80211_CMD_TRIGGER_SCAN, 0);
- if (req)
- {
- nl80211_send(req, NULL, NULL);
- nl80211_free(req);
- }
+ if (nl80211_request(ifname, NL80211_CMD_TRIGGER_SCAN, 0, NULL, NULL))
+ goto out;
- nl80211_wait("nl80211", "scan", NL80211_CMD_NEW_SCAN_RESULTS);
+ if (nl80211_wait("nl80211", "scan",
+ NL80211_CMD_NEW_SCAN_RESULTS, NL80211_CMD_SCAN_ABORTED))
+ goto out;
- req = nl80211_msg(ifname, NL80211_CMD_GET_SCAN, NLM_F_DUMP);
- if (req)
- {
- nl80211_send(req, nl80211_get_scanlist_cb, &sl);
- nl80211_free(req);
- }
+ if (nl80211_request(ifname, NL80211_CMD_GET_SCAN, NLM_F_DUMP,
+ nl80211_get_scanlist_cb, &sl))
+ goto out;
*len = sl.len * sizeof(struct iwinfo_scanlist_entry);
- return *len ? 0 : -1;
+ return 0;
+
+out:
+ *len = 0;
+ return -1;
}
static int wpasupp_ssid_decode(const char *in, char *out, int outlen)
break;
case 'e':
- out[len++] = '\e'; in++;
+ out[len++] = '\033'; in++;
break;
case 'x':
return len;
}
-static int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
+static int nl80211_get_scanlist_wpactl(const char *ifname, char *buf, int *len)
{
- int freq, rssi, qmax, count, mode;
- char *res;
- char ssid[129] = { 0 };
- char bssid[18] = { 0 };
- char cipher[256] = { 0 };
+ int sock, qmax, rssi, tries, count = -1, ready = 0;
+ char *pos, *line, *bssid, *freq, *signal, *flags, *ssid, reply[4096];
+ struct sockaddr_un local = { 0 };
+ struct iwinfo_scanlist_entry *e = (struct iwinfo_scanlist_entry *)buf;
- /* Got a radioX pseudo interface, find some interface on it or create one */
- if (!strncmp(ifname, "radio", 5))
+ sock = nl80211_wpactl_connect(ifname, &local);
+
+ if (sock < 0)
+ return sock;
+
+ send(sock, "ATTACH", 6, 0);
+ send(sock, "SCAN", 4, 0);
+
+ /*
+ * wait for scan results:
+ * nl80211_wpactl_recv() will use a timeout of 256ms and we need to scan
+ * 72 channels at most. We'll also receive two "OK" messages acknowledging
+ * the "ATTACH" and "SCAN" commands and the driver might need a bit extra
+ * time to process the results, so try 72 + 2 + 1 times.
+ */
+ for (tries = 0; tries < 75; tries++)
{
- /* Reuse existing interface */
- if ((res = nl80211_phy2ifname(ifname)) != NULL)
+ if (nl80211_wpactl_recv(sock, reply, sizeof(reply)) <= 0)
+ continue;
+
+ /* got an event notification */
+ if (reply[0] == '<')
{
- return nl80211_get_scanlist(res, buf, len);
+ /* scan results are ready */
+ if (strstr(reply, "CTRL-EVENT-SCAN-RESULTS"))
+ {
+ /* send "SCAN_RESULTS" command */
+ ready = (send(sock, "SCAN_RESULTS", 12, 0) == 12);
+ break;
+ }
+
+ /* is another unrelated event, retry */
+ tries--;
}
- /* Need to spawn a temporary iface for scanning */
- else if ((res = nl80211_ifadd(ifname)) != NULL)
+ /* scanning already in progress, keep awaiting results */
+ else if (!strcmp(reply, "FAIL-BUSY\n"))
{
- count = nl80211_get_scanlist(res, buf, len);
- nl80211_ifdel(res);
- return count;
+ tries--;
}
- }
- struct iwinfo_scanlist_entry *e = (struct iwinfo_scanlist_entry *)buf;
+ /* another failure, abort */
+ else if (!strncmp(reply, "FAIL-", 5))
+ {
+ break;
+ }
+ }
- /* WPA supplicant */
- if ((res = nl80211_wpactl_info(ifname, "SCAN", "CTRL-EVENT-SCAN-RESULTS")))
+ /* receive and parse scan results if the wait above didn't time out */
+ while (ready && nl80211_wpactl_recv(sock, reply, sizeof(reply)) > 0)
{
- if ((res = nl80211_wpactl_info(ifname, "SCAN_RESULTS", NULL)))
+ /* received an event notification, receive again */
+ if (reply[0] == '<')
+ continue;
+
+ nl80211_get_quality_max(ifname, &qmax);
+
+ for (line = strtok_r(reply, "\n", &pos);
+ line != NULL;
+ line = strtok_r(NULL, "\n", &pos))
{
- nl80211_get_quality_max(ifname, &qmax);
+ /* skip header line */
+ if (count < 0)
+ {
+ count++;
+ continue;
+ }
- count = -1;
+ bssid = strtok(line, "\t");
+ freq = strtok(NULL, "\t");
+ signal = strtok(NULL, "\t");
+ flags = strtok(NULL, "\t");
+ ssid = strtok(NULL, "\n");
- do {
- if (res[0] == '<')
- {
- /* skip log lines */
- goto nextline;
- }
- if (count < 0)
- {
- /* skip header line */
- count++;
- goto nextline;
- }
- if (sscanf(res, "%17s %d %d %255s%*[ \t]%128[^\n]\n",
- bssid, &freq, &rssi, cipher, ssid) < 5)
- {
- /* skip malformed lines */
- goto nextline;
- }
- /* 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 */
+ if (!bssid || !freq || !signal || !flags)
+ continue;
+
+ /* 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 */
+ if (ssid)
wpasupp_ssid_decode(ssid, e->ssid, sizeof(e->ssid));
+ else
+ e->ssid[0] = 0;
+
+ /* Mode */
+ if (strstr(flags, "[MESH]"))
+ e->mode = IWINFO_OPMODE_MESHPOINT;
+ else if (strstr(flags, "[IBSS]"))
+ e->mode = IWINFO_OPMODE_ADHOC;
+ else
+ e->mode = IWINFO_OPMODE_MASTER;
+
+ /* Channel */
+ e->mhz = atoi(freq);
+ e->band = nl80211_freq2band(e->mhz);
+ e->channel = nl80211_freq2channel(e->mhz);
- /* Mode (assume master) */
- if (strstr(cipher,"[MESH]"))
- e->mode = IWINFO_OPMODE_MESHPOINT;
- else
- e->mode = IWINFO_OPMODE_MASTER;
+ /* Signal */
+ rssi = atoi(signal);
+ e->signal = rssi;
- /* Channel */
- e->channel = nl80211_freq2channel(freq);
+ /* 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;
+ }
- /* Signal */
- e->signal = rssi;
+ /* Max. Quality */
+ e->quality_max = qmax;
- /* 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;
- }
+ /* Crypto */
+ nl80211_get_scancrypto(flags, &e->crypto);
- /* Max. Quality */
- e->quality_max = qmax;
+ count++;
+ e++;
+ }
- /* Crypto */
- nl80211_get_scancrypto(cipher, &e->crypto);
+ *len = count * sizeof(struct iwinfo_scanlist_entry);
+ break;
+ }
- count++;
- e++;
+ close(sock);
+ unlink(local.sun_path);
+
+ return (count >= 0) ? 0 : -1;
+}
- memset(ssid, 0, sizeof(ssid));
- memset(bssid, 0, sizeof(bssid));
- memset(cipher, 0, sizeof(cipher));
+static int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
+{
+ char *res;
+ int rv, mode;
- nextline:
- /* advance to next line */
- while( *res && *res++ != '\n' );
- }
- while( *res );
+ *len = 0;
- *len = count * sizeof(struct iwinfo_scanlist_entry);
- return 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)
+ {
+ rv = nl80211_get_scanlist(res, buf, len);
+ nl80211_ifdel(res);
+ return rv;
+ }
+ }
+
+ /* WPA supplicant */
+ if (!nl80211_get_scanlist_wpactl(ifname, buf, len))
+ {
+ return 0;
}
/* station / ad-hoc / monitor scan */
if (!iwinfo_ifup(ifname))
return -1;
- nl80211_get_scanlist_nl(ifname, buf, len);
+ rv = nl80211_get_scanlist_nl(ifname, buf, len);
iwinfo_ifdown(ifname);
- return 0;
+ return rv;
}
/* Spawn a new scan interface */
else
{
if (!(res = nl80211_ifadd(ifname)))
- goto out;
+ return -1;
iwinfo_ifmac(res);
* additional interface and there's no need to tear down the ap */
if (iwinfo_ifup(res))
{
- nl80211_get_scanlist_nl(res, buf, len);
+ rv = nl80211_get_scanlist_nl(res, buf, len);
iwinfo_ifdown(res);
}
* during scan */
else if (iwinfo_ifdown(ifname) && iwinfo_ifup(res))
{
- nl80211_get_scanlist_nl(res, buf, len);
+ rv = nl80211_get_scanlist_nl(res, buf, len);
iwinfo_ifdown(res);
iwinfo_ifup(ifname);
nl80211_hostapd_hup(ifname);
}
+ else
+ rv = -1;
- out:
nl80211_ifdel(res);
- return 0;
+ return rv;
}
}
int bands_remain, freqs_remain;
struct nl80211_array_buf *arr = arg;
- struct iwinfo_freqlist_entry *e = arr->buf;
+ struct iwinfo_freqlist_entry *e;
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);
+ e = arr->buf;
+ e += arr->count;
- nla_for_each_nested(freq, bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
+ if (attr[NL80211_ATTR_WIPHY_BANDS]) {
+ nla_for_each_nested(band, attr[NL80211_ATTR_WIPHY_BANDS], bands_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;
+ nla_parse(bands, NL80211_BAND_ATTR_MAX,
+ nla_data(band), nla_len(band), NULL);
- e++;
- arr->count++;
+ if (bands[NL80211_BAND_ATTR_FREQS]) {
+ 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->band = nl80211_get_band(band->nla_type);
+ e->mhz = nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]);
+ e->channel = nl80211_freq2channel(e->mhz);
+
+ if (freqs[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
+ e->flags |= IWINFO_FREQ_NO_HT40MINUS;
+ if (freqs[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
+ e->flags |= IWINFO_FREQ_NO_HT40PLUS;
+ if (freqs[NL80211_FREQUENCY_ATTR_NO_80MHZ])
+ e->flags |= IWINFO_FREQ_NO_80MHZ;
+ if (freqs[NL80211_FREQUENCY_ATTR_NO_160MHZ])
+ e->flags |= IWINFO_FREQ_NO_160MHZ;
+ if (freqs[NL80211_FREQUENCY_ATTR_NO_20MHZ])
+ e->flags |= IWINFO_FREQ_NO_20MHZ;
+ if (freqs[NL80211_FREQUENCY_ATTR_NO_10MHZ])
+ e->flags |= IWINFO_FREQ_NO_10MHZ;
+ if (freqs[NL80211_FREQUENCY_ATTR_NO_HE])
+ e->flags |= IWINFO_FREQ_NO_HE;
+ if (freqs[NL80211_FREQUENCY_ATTR_NO_IR] &&
+ !freqs[NL80211_FREQUENCY_ATTR_RADAR])
+ e->flags |= IWINFO_FREQ_NO_IR;
+ if (freqs[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
+ e->flags |= IWINFO_FREQ_INDOOR_ONLY;
+
+ /* keep backwards compatibility */
+ e->restricted = (e->flags & IWINFO_FREQ_NO_IR) ? 1 : 0;
+
+ e++;
+ arr->count++;
+ }
+ }
}
}
static int nl80211_get_freqlist(const char *ifname, char *buf, int *len)
{
- struct nl80211_msg_conveyor *req;
+ struct nl80211_msg_conveyor *cv;
struct nl80211_array_buf arr = { .buf = buf, .count = 0 };
+ uint32_t features = nl80211_get_protocol_features(ifname);
+ int flags;
- req = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, 0);
- if (req)
- {
- nl80211_send(req, nl80211_get_freqlist_cb, &arr);
- nl80211_free(req);
- }
+ flags = features & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP ? NLM_F_DUMP : 0;
+ cv = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, flags);
+ if (!cv)
+ goto out;
- if (arr.count > 0)
- {
- *len = arr.count * sizeof(struct iwinfo_freqlist_entry);
- return 0;
- }
+ NLA_PUT_FLAG(cv->msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+ if (nl80211_send(cv, nl80211_get_freqlist_cb, &arr))
+ goto out;
+ *len = arr.count * sizeof(struct iwinfo_freqlist_entry);
+ return 0;
+
+nla_put_failure:
+ nl80211_free(cv);
+out:
+ *len = 0;
return -1;
}
static 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;
- }
+ if (nl80211_request(ifname, NL80211_CMD_GET_REG, 0,
+ nl80211_get_country_cb, buf))
+ return -1;
- return rv;
+ return 0;
}
static int nl80211_get_countrylist(const char *ifname, char *buf, int *len)
{
- int i, count;
+ int count;
struct iwinfo_country_entry *e = (struct iwinfo_country_entry *)buf;
const struct iwinfo_iso3166_label *l;
e->iso3166 = l->iso3166;
e->ccode[0] = (l->iso3166 / 256);
e->ccode[1] = (l->iso3166 % 256);
+ e->ccode[2] = 0;
}
*len = (count * sizeof(struct iwinfo_country_entry));
return 0;
}
-static int nl80211_get_hwmodelist_cb(struct nl_msg *msg, void *arg)
+
+struct nl80211_modes
{
- int *modes = arg;
- int bands_remain, freqs_remain;
- uint16_t caps = 0;
- uint32_t vht_caps = 0;
+ bool ok;
+ uint32_t hw;
+ uint32_t ht;
+
+ uint8_t bands;
+
+ uint16_t nl_ht;
+ uint32_t nl_vht;
+ uint16_t he_phy_cap[6];
+};
+
+static void nl80211_eval_modelist(struct nl80211_modes *m)
+{
+ /* Treat any nonzero capability as 11n */
+ if (m->nl_ht > 0)
+ {
+ m->hw |= IWINFO_80211_N;
+ m->ht |= IWINFO_HTMODE_HT20;
+
+ if (m->nl_ht & (1 << 1))
+ m->ht |= IWINFO_HTMODE_HT40;
+ }
+
+ if (m->he_phy_cap[0] != 0) {
+ m->hw |= IWINFO_80211_AX;
+ m->ht |= IWINFO_HTMODE_HE20;
+
+ if (m->he_phy_cap[0] & BIT(9))
+ m->ht |= IWINFO_HTMODE_HE40;
+ if (m->he_phy_cap[0] & BIT(10))
+ m->ht |= IWINFO_HTMODE_HE40 | IWINFO_HTMODE_HE80;
+ if (m->he_phy_cap[0] & BIT(11))
+ m->ht |= IWINFO_HTMODE_HE160;
+ if (m->he_phy_cap[0] & BIT(12))
+ m->ht |= IWINFO_HTMODE_HE160 | IWINFO_HTMODE_HE80_80;
+ }
+
+ if (m->bands & IWINFO_BAND_24)
+ {
+ m->hw |= IWINFO_80211_B;
+ m->hw |= IWINFO_80211_G;
+ }
+
+ if (m->bands & IWINFO_BAND_5)
+ {
+ /* Treat any nonzero capability as 11ac */
+ if (m->nl_vht > 0)
+ {
+ m->hw |= IWINFO_80211_AC;
+ m->ht |= IWINFO_HTMODE_VHT20 | IWINFO_HTMODE_VHT40 | IWINFO_HTMODE_VHT80;
+
+ switch ((m->nl_vht >> 2) & 3)
+ {
+ case 2:
+ m->ht |= IWINFO_HTMODE_VHT80_80;
+ /* fall through */
+
+ case 1:
+ m->ht |= IWINFO_HTMODE_VHT160;
+ }
+ }
+ else
+ {
+ m->hw |= IWINFO_80211_A;
+ }
+ }
+
+ if (m->bands & IWINFO_BAND_60)
+ {
+ m->hw |= IWINFO_80211_AD;
+ }
+
+}
+
+static int nl80211_get_modelist_cb(struct nl_msg *msg, void *arg)
+{
+ struct nl80211_modes *m = arg;
+ int bands_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;
-
- *modes = 0;
+ struct nlattr *band;
if (attr[NL80211_ATTR_WIPHY_BANDS])
{
nla_for_each_nested(band, attr[NL80211_ATTR_WIPHY_BANDS], bands_remain)
{
+ m->bands |= nl80211_get_band(band->nla_type);
+
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;
+ m->nl_ht = nla_get_u16(bands[NL80211_BAND_ATTR_HT_CAPA]);
if (bands[NL80211_BAND_ATTR_VHT_CAPA])
- vht_caps = nla_get_u32(bands[NL80211_BAND_ATTR_VHT_CAPA]);
-
- /* Treat any nonzero capability as 11ac */
- if (vht_caps > 0)
- *modes |= IWINFO_80211_AC;
-
- 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 if (!(*modes & IWINFO_80211_AC))
- {
- *modes |= IWINFO_80211_A;
+ m->nl_vht = nla_get_u32(bands[NL80211_BAND_ATTR_VHT_CAPA]);
+
+ if (bands[NL80211_BAND_ATTR_IFTYPE_DATA]) {
+ struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
+ struct nlattr *nl_iftype;
+ int rem_band;
+ int len;
+
+ nla_for_each_nested(nl_iftype, bands[NL80211_BAND_ATTR_IFTYPE_DATA], rem_band) {
+ nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
+ nla_data(nl_iftype), nla_len(nl_iftype), NULL);
+ if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
+ len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
+
+ if (len > sizeof(m->he_phy_cap) - 1)
+ len = sizeof(m->he_phy_cap) - 1;
+ memcpy(&((__u8 *)m->he_phy_cap)[1],
+ nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
+ len);
+ }
}
}
}
+
+ m->ok = 1;
}
return NL_SKIP;
static int nl80211_get_hwmodelist(const char *ifname, int *buf)
{
- struct nl80211_msg_conveyor *req;
+ struct nl80211_msg_conveyor *cv;
+ struct nl80211_modes m = {};
+ uint32_t features = nl80211_get_protocol_features(ifname);
+ int flags;
- req = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, 0);
- if (req)
- {
- nl80211_send(req, nl80211_get_hwmodelist_cb, buf);
- nl80211_free(req);
+ flags = features & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP ? NLM_F_DUMP : 0;
+ cv = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, flags);
+ if (!cv)
+ goto out;
+
+ NLA_PUT_FLAG(cv->msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+ if (nl80211_send(cv, nl80211_get_modelist_cb, &m))
+ goto nla_put_failure;
+
+ nl80211_eval_modelist(&m);
+
+ *buf = m.hw;
+
+ return 0;
+
+nla_put_failure:
+ nl80211_free(cv);
+out:
+ return -1;
+}
+
+struct chan_info {
+ int width;
+ int mode;
+};
+
+static int nl80211_get_htmode_cb(struct nl_msg *msg, void *arg)
+{
+ struct nlattr **tb = nl80211_parse(msg);
+ struct nlattr *cur;
+ struct chan_info *chn = arg;
+
+ if ((cur = tb[NL80211_ATTR_CHANNEL_WIDTH]))
+ chn->width = nla_get_u32(cur);
+
+ if ((cur = tb[NL80211_ATTR_BSS_HT_OPMODE]))
+ chn->mode = nla_get_u32(cur);
+
+ return NL_SKIP;
+}
+
+static int nl80211_get_htmode(const char *ifname, int *buf)
+{
+ struct chan_info chn = { 0 };
+ char *res, b[2] = { 0 };
+ int err;
+ bool he = false;
+
+ res = nl80211_phy2ifname(ifname);
+ *buf = 0;
+
+ err = nl80211_request(res ? res : ifname,
+ NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_htmode_cb, &chn);
+ if (err)
+ return -1;
+
+ if (nl80211_hostapd_query(res ? res : ifname, "ieee80211ax", b, sizeof(b)))
+ he = b[0] == '1';
+ else if (nl80211_wpactl_query(res ? res : ifname, "wifi_generation", b, sizeof(b)))
+ he = b[0] == '6';
+
+ switch (chn.width) {
+ case NL80211_CHAN_WIDTH_20:
+ if (he)
+ *buf = IWINFO_HTMODE_HE20;
+ else if (chn.mode == -1)
+ *buf = IWINFO_HTMODE_VHT20;
+ else
+ *buf = IWINFO_HTMODE_HT20;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ if (he)
+ *buf = IWINFO_HTMODE_HE40;
+ else if (chn.mode == -1)
+ *buf = IWINFO_HTMODE_VHT40;
+ else
+ *buf = IWINFO_HTMODE_HT40;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ if (he)
+ *buf = IWINFO_HTMODE_HE80;
+ else
+ *buf = IWINFO_HTMODE_VHT80;
+ break;
+ case NL80211_CHAN_WIDTH_80P80:
+ if (he)
+ *buf = IWINFO_HTMODE_HE80_80;
+ else
+ *buf = IWINFO_HTMODE_VHT80_80;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ if (he)
+ *buf = IWINFO_HTMODE_HE160;
+ else
+ *buf = IWINFO_HTMODE_VHT160;
+ break;
+ case NL80211_CHAN_WIDTH_5:
+ case NL80211_CHAN_WIDTH_10:
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ *buf = IWINFO_HTMODE_NOHT;
+ break;
+ default:
+ return -1;
}
- return *buf ? 0 : -1;
+ return 0;
}
+static int nl80211_get_htmodelist(const char *ifname, int *buf)
+{
+ struct nl80211_msg_conveyor *cv;
+ struct nl80211_modes m = {};
+ uint32_t features = nl80211_get_protocol_features(ifname);
+ int flags;
+
+ flags = features & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP ? NLM_F_DUMP : 0;
+ cv = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, flags);
+ if (!cv)
+ goto out;
+
+ NLA_PUT_FLAG(cv->msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+ if (nl80211_send(cv, nl80211_get_modelist_cb, &m))
+ goto nla_put_failure;
+
+ nl80211_eval_modelist(&m);
+
+ *buf = m.ht;
+
+ return 0;
+
+nla_put_failure:
+ nl80211_free(cv);
+out:
+ return -1;
+}
+
+
static int nl80211_get_ifcomb_cb(struct nl_msg *msg, void *arg)
{
struct nlattr **attr = nl80211_parse(msg);
nla_for_each_nested(comb, attr[NL80211_ATTR_INTERFACE_COMBINATIONS], comb_rem)
{
- static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
+ static const struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
[NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
[NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
};
struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB+1];
- static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
+ static const struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
[NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
[NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
};
static int nl80211_get_mbssid_support(const char *ifname, int *buf)
{
- struct nl80211_msg_conveyor *req;
+ if (nl80211_request(ifname, NL80211_CMD_GET_WIPHY, 0,
+ nl80211_get_ifcomb_cb, buf))
+ return -1;
- req = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, 0);
- if (!req)
+ return 0;
+}
+
+static int nl80211_hardware_id_from_fdt(struct iwinfo_hardware_id *id, const char *ifname)
+{
+ char *phy, path[PATH_MAX];
+
+ /* Try to determine the phy name from the given interface */
+ phy = nl80211_ifname2phy(ifname);
+
+ snprintf(path, sizeof(path), "/sys/class/%s/%s/device/of_node/compatible",
+ phy ? "ieee80211" : "net", phy ? phy : ifname);
+
+ if (nl80211_readstr(path, id->compatible, sizeof(id->compatible)) <= 0)
return -1;
- nl80211_send(req, nl80211_get_ifcomb_cb, buf);
- nl80211_free(req);
return 0;
}
+
static int nl80211_get_hardware_id(const char *ifname, char *buf)
{
- int rv;
- char *res;
+ struct iwinfo_hardware_id *id = (struct iwinfo_hardware_id *)buf;
+ char *phy, num[8], path[PATH_MAX];
+ int i;
- /* 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)
- {
- rv = wext_ops.hardware_id(res, buf);
- }
+ struct { const char *path; uint16_t *dest; } lookup[] = {
+ { "vendor", &id->vendor_id },
+ { "device", &id->device_id },
+ { "subsystem_vendor", &id->subsystem_vendor_id },
+ { "subsystem_device", &id->subsystem_device_id },
+ { "../idVendor", &id->subsystem_vendor_id },
+ { "../idProduct", &id->subsystem_device_id }
+ };
- /* Need to spawn a temporary iface for finding IDs */
- else if ((res = nl80211_ifadd(ifname)) != NULL)
- {
- rv = wext_ops.hardware_id(res, buf);
- nl80211_ifdel(res);
- }
- }
- else
- {
- rv = wext_ops.hardware_id(ifname, buf);
- }
+ memset(id, 0, sizeof(*id));
+
+ /* Try to determine the phy name from the given interface */
+ phy = nl80211_ifname2phy(ifname);
- /* Failed to obtain hardware IDs, search board config */
- if (rv)
+ for (i = 0; i < ARRAY_SIZE(lookup); i++)
{
- rv = iwinfo_hardware_id_from_mtd((struct iwinfo_hardware_id *)buf);
+ snprintf(path, sizeof(path), "/sys/class/%s/%s/device/%s",
+ phy ? "ieee80211" : "net",
+ phy ? phy : ifname, lookup[i].path);
+
+ if (nl80211_readstr(path, num, sizeof(num)) > 0)
+ *lookup[i].dest = strtoul(num, NULL, 16);
}
- return rv;
+ /* Failed to obtain hardware PCI/USB IDs... */
+ if (id->vendor_id == 0 && id->device_id == 0 &&
+ id->subsystem_vendor_id == 0 && id->subsystem_device_id == 0)
+ /* ... first fallback to FDT ... */
+ if (nl80211_hardware_id_from_fdt(id, ifname) == -1)
+ /* ... then board config */
+ return iwinfo_hardware_id_from_mtd(id);
+
+ return 0;
}
static const struct iwinfo_hardware_entry *
static int nl80211_lookup_phyname(const char *section, char *buf)
{
+ const char *name;
int idx;
- if ((idx = nl80211_phy_idx_from_uci(section)) < 0)
+ if (!strncmp(section, "path=", 5))
+ idx = nl80211_phy_idx_from_path(section + 5);
+ else if (!strncmp(section, "macaddr=", 8))
+ idx = nl80211_phy_idx_from_macaddr(section + 8);
+ else
+ idx = nl80211_phy_idx_from_uci(section);
+
+ if (idx < 0)
+ return -1;
+
+ name = nl80211_phyidx2name(idx);
+ if (!name)
+ return -1;
+
+ strcpy(buf, name);
+ return 0;
+}
+
+static int nl80211_phy_path(const char *phyname, const char **path)
+{
+ if (strchr(phyname, '/'))
+ return -1;
+
+ *path = nl80211_phy_path_str(phyname);
+ if (!*path)
return -1;
- sprintf(buf, "phy%d", idx);
return 0;
}
.name = "nl80211",
.probe = nl80211_probe,
.channel = nl80211_get_channel,
+ .center_chan1 = nl80211_get_center_chan1,
+ .center_chan2 = nl80211_get_center_chan2,
.frequency = nl80211_get_frequency,
.frequency_offset = nl80211_get_frequency_offset,
.txpower = nl80211_get_txpower,
.quality_max = nl80211_get_quality_max,
.mbssid_support = nl80211_get_mbssid_support,
.hwmodelist = nl80211_get_hwmodelist,
+ .htmodelist = nl80211_get_htmodelist,
+ .htmode = nl80211_get_htmode,
.mode = nl80211_get_mode,
.ssid = nl80211_get_ssid,
.bssid = nl80211_get_bssid,
.scanlist = nl80211_get_scanlist,
.freqlist = nl80211_get_freqlist,
.countrylist = nl80211_get_countrylist,
+ .survey = nl80211_get_survey,
.lookup_phy = nl80211_lookup_phyname,
+ .phy_path = nl80211_phy_path,
.close = nl80211_close
};
projects / project / iwinfo.git / blobdiff