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fragattacks/src/drivers/driver_nl80211_event.c
Jouni Malinen ce20a3702c nl80211: Remove practically unused process_drv_event() 
This was used in the past, but all the event processing is now either
through process_global_event() or process_bss_event().

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-12-22 16:12:11 +02:00

1949 lines
55 KiB
C
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/*
* Driver interaction with Linux nl80211/cfg80211 - Event processing
* Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
* Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
* Copyright (c) 2009-2010, Atheros Communications
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include <netlink/genl/genl.h>
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/qca-vendor.h"
#include "common/qca-vendor-attr.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "driver_nl80211.h"
static const char * nl80211_command_to_string(enum nl80211_commands cmd)
{
#define C2S(x) case x: return #x;
switch (cmd) {
C2S(NL80211_CMD_UNSPEC)
C2S(NL80211_CMD_GET_WIPHY)
C2S(NL80211_CMD_SET_WIPHY)
C2S(NL80211_CMD_NEW_WIPHY)
C2S(NL80211_CMD_DEL_WIPHY)
C2S(NL80211_CMD_GET_INTERFACE)
C2S(NL80211_CMD_SET_INTERFACE)
C2S(NL80211_CMD_NEW_INTERFACE)
C2S(NL80211_CMD_DEL_INTERFACE)
C2S(NL80211_CMD_GET_KEY)
C2S(NL80211_CMD_SET_KEY)
C2S(NL80211_CMD_NEW_KEY)
C2S(NL80211_CMD_DEL_KEY)
C2S(NL80211_CMD_GET_BEACON)
C2S(NL80211_CMD_SET_BEACON)
C2S(NL80211_CMD_START_AP)
C2S(NL80211_CMD_STOP_AP)
C2S(NL80211_CMD_GET_STATION)
C2S(NL80211_CMD_SET_STATION)
C2S(NL80211_CMD_NEW_STATION)
C2S(NL80211_CMD_DEL_STATION)
C2S(NL80211_CMD_GET_MPATH)
C2S(NL80211_CMD_SET_MPATH)
C2S(NL80211_CMD_NEW_MPATH)
C2S(NL80211_CMD_DEL_MPATH)
C2S(NL80211_CMD_SET_BSS)
C2S(NL80211_CMD_SET_REG)
C2S(NL80211_CMD_REQ_SET_REG)
C2S(NL80211_CMD_GET_MESH_CONFIG)
C2S(NL80211_CMD_SET_MESH_CONFIG)
C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
C2S(NL80211_CMD_GET_REG)
C2S(NL80211_CMD_GET_SCAN)
C2S(NL80211_CMD_TRIGGER_SCAN)
C2S(NL80211_CMD_NEW_SCAN_RESULTS)
C2S(NL80211_CMD_SCAN_ABORTED)
C2S(NL80211_CMD_REG_CHANGE)
C2S(NL80211_CMD_AUTHENTICATE)
C2S(NL80211_CMD_ASSOCIATE)
C2S(NL80211_CMD_DEAUTHENTICATE)
C2S(NL80211_CMD_DISASSOCIATE)
C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
C2S(NL80211_CMD_REG_BEACON_HINT)
C2S(NL80211_CMD_JOIN_IBSS)
C2S(NL80211_CMD_LEAVE_IBSS)
C2S(NL80211_CMD_TESTMODE)
C2S(NL80211_CMD_CONNECT)
C2S(NL80211_CMD_ROAM)
C2S(NL80211_CMD_DISCONNECT)
C2S(NL80211_CMD_SET_WIPHY_NETNS)
C2S(NL80211_CMD_GET_SURVEY)
C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
C2S(NL80211_CMD_SET_PMKSA)
C2S(NL80211_CMD_DEL_PMKSA)
C2S(NL80211_CMD_FLUSH_PMKSA)
C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
C2S(NL80211_CMD_REGISTER_FRAME)
C2S(NL80211_CMD_FRAME)
C2S(NL80211_CMD_FRAME_TX_STATUS)
C2S(NL80211_CMD_SET_POWER_SAVE)
C2S(NL80211_CMD_GET_POWER_SAVE)
C2S(NL80211_CMD_SET_CQM)
C2S(NL80211_CMD_NOTIFY_CQM)
C2S(NL80211_CMD_SET_CHANNEL)
C2S(NL80211_CMD_SET_WDS_PEER)
C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
C2S(NL80211_CMD_JOIN_MESH)
C2S(NL80211_CMD_LEAVE_MESH)
C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
C2S(NL80211_CMD_GET_WOWLAN)
C2S(NL80211_CMD_SET_WOWLAN)
C2S(NL80211_CMD_START_SCHED_SCAN)
C2S(NL80211_CMD_STOP_SCHED_SCAN)
C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
C2S(NL80211_CMD_PMKSA_CANDIDATE)
C2S(NL80211_CMD_TDLS_OPER)
C2S(NL80211_CMD_TDLS_MGMT)
C2S(NL80211_CMD_UNEXPECTED_FRAME)
C2S(NL80211_CMD_PROBE_CLIENT)
C2S(NL80211_CMD_REGISTER_BEACONS)
C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
C2S(NL80211_CMD_SET_NOACK_MAP)
C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
C2S(NL80211_CMD_START_P2P_DEVICE)
C2S(NL80211_CMD_STOP_P2P_DEVICE)
C2S(NL80211_CMD_CONN_FAILED)
C2S(NL80211_CMD_SET_MCAST_RATE)
C2S(NL80211_CMD_SET_MAC_ACL)
C2S(NL80211_CMD_RADAR_DETECT)
C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
C2S(NL80211_CMD_UPDATE_FT_IES)
C2S(NL80211_CMD_FT_EVENT)
C2S(NL80211_CMD_CRIT_PROTOCOL_START)
C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
C2S(NL80211_CMD_GET_COALESCE)
C2S(NL80211_CMD_SET_COALESCE)
C2S(NL80211_CMD_CHANNEL_SWITCH)
C2S(NL80211_CMD_VENDOR)
C2S(NL80211_CMD_SET_QOS_MAP)
C2S(NL80211_CMD_ADD_TX_TS)
C2S(NL80211_CMD_DEL_TX_TS)
default:
return "NL80211_CMD_UNKNOWN";
}
#undef C2S
}
static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
const u8 *frame, size_t len)
{
const struct ieee80211_mgmt *mgmt;
union wpa_event_data event;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
drv->force_connect_cmd) {
/*
* Avoid reporting two association events that would confuse
* the core code.
*/
wpa_printf(MSG_DEBUG,
"nl80211: Ignore auth event when using driver SME");
return;
}
wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
mgmt = (const struct ieee80211_mgmt *) frame;
if (len < 24 + sizeof(mgmt->u.auth)) {
wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
"frame");
return;
}
os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
os_memset(&event, 0, sizeof(event));
os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
event.auth.auth_transaction =
le_to_host16(mgmt->u.auth.auth_transaction);
event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
if (len > 24 + sizeof(mgmt->u.auth)) {
event.auth.ies = mgmt->u.auth.variable;
event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
}
wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
}
static int nl80211_parse_wmm_params(struct nlattr *wmm_attr,
struct wmm_params *wmm_params)
{
struct nlattr *wmm_info[NL80211_STA_WME_MAX + 1];
static struct nla_policy wme_policy[NL80211_STA_WME_MAX + 1] = {
[NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
};
if (!wmm_attr) {
wpa_printf(MSG_DEBUG, "nl80211: WMM data missing");
return -1;
}
if (nla_parse_nested(wmm_info, NL80211_STA_WME_MAX, wmm_attr,
wme_policy)) {
wpa_printf(MSG_DEBUG,
"nl80211: Failed to parse nested attributes");
return -1;
}
if (!wmm_info[NL80211_STA_WME_UAPSD_QUEUES])
return -1;
wmm_params->uapsd_queues =
nla_get_u8(wmm_info[NL80211_STA_WME_UAPSD_QUEUES]);
wmm_params->info_bitmap |= WMM_PARAMS_UAPSD_QUEUES_INFO;
return 0;
}
static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
const u8 *frame, size_t len, struct nlattr *wmm)
{
const struct ieee80211_mgmt *mgmt;
union wpa_event_data event;
u16 status;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
drv->force_connect_cmd) {
/*
* Avoid reporting two association events that would confuse
* the core code.
*/
wpa_printf(MSG_DEBUG,
"nl80211: Ignore assoc event when using driver SME");
return;
}
wpa_printf(MSG_DEBUG, "nl80211: Associate event");
mgmt = (const struct ieee80211_mgmt *) frame;
if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
"frame");
return;
}
status = le_to_host16(mgmt->u.assoc_resp.status_code);
if (status != WLAN_STATUS_SUCCESS) {
os_memset(&event, 0, sizeof(event));
event.assoc_reject.bssid = mgmt->bssid;
if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
event.assoc_reject.resp_ies =
(u8 *) mgmt->u.assoc_resp.variable;
event.assoc_reject.resp_ies_len =
len - 24 - sizeof(mgmt->u.assoc_resp);
}
event.assoc_reject.status_code = status;
wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
return;
}
drv->associated = 1;
os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
os_memset(&event, 0, sizeof(event));
if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
event.assoc_info.resp_ies_len =
len - 24 - sizeof(mgmt->u.assoc_resp);
}
event.assoc_info.freq = drv->assoc_freq;
nl80211_parse_wmm_params(wmm, &event.assoc_info.wmm_params);
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
}
static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
enum nl80211_commands cmd, struct nlattr *status,
struct nlattr *addr, struct nlattr *req_ie,
struct nlattr *resp_ie,
struct nlattr *authorized,
struct nlattr *key_replay_ctr,
struct nlattr *ptk_kck,
struct nlattr *ptk_kek)
{
union wpa_event_data event;
u16 status_code;
if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
/*
* Avoid reporting two association events that would confuse
* the core code.
*/
wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
"when using userspace SME", cmd);
return;
}
status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS;
if (cmd == NL80211_CMD_CONNECT) {
wpa_printf(MSG_DEBUG,
"nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)",
status_code, drv->ignore_next_local_disconnect);
} else if (cmd == NL80211_CMD_ROAM) {
wpa_printf(MSG_DEBUG, "nl80211: Roam event");
}
os_memset(&event, 0, sizeof(event));
if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) {
if (addr)
event.assoc_reject.bssid = nla_data(addr);
if (drv->ignore_next_local_disconnect) {
drv->ignore_next_local_disconnect = 0;
if (!event.assoc_reject.bssid ||
(os_memcmp(event.assoc_reject.bssid,
drv->auth_attempt_bssid,
ETH_ALEN) != 0)) {
/*
* Ignore the event that came without a BSSID or
* for the old connection since this is likely
* not relevant to the new Connect command.
*/
wpa_printf(MSG_DEBUG,
"nl80211: Ignore connection failure event triggered during reassociation");
return;
}
}
if (resp_ie) {
event.assoc_reject.resp_ies = nla_data(resp_ie);
event.assoc_reject.resp_ies_len = nla_len(resp_ie);
}
event.assoc_reject.status_code = status_code;
wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
return;
}
drv->associated = 1;
if (addr) {
os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
}
if (req_ie) {
event.assoc_info.req_ies = nla_data(req_ie);
event.assoc_info.req_ies_len = nla_len(req_ie);
}
if (resp_ie) {
event.assoc_info.resp_ies = nla_data(resp_ie);
event.assoc_info.resp_ies_len = nla_len(resp_ie);
}
event.assoc_info.freq = nl80211_get_assoc_freq(drv);
if (authorized && nla_get_u8(authorized)) {
event.assoc_info.authorized = 1;
wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
}
if (key_replay_ctr) {
event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
}
if (ptk_kck) {
event.assoc_info.ptk_kck = nla_data(ptk_kck);
event.assoc_info.ptk_kck_len = nla_len(ptk_kck);
}
if (ptk_kek) {
event.assoc_info.ptk_kek = nla_data(ptk_kek);
event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
}
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
}
static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
struct nlattr *reason, struct nlattr *addr,
struct nlattr *by_ap)
{
union wpa_event_data data;
unsigned int locally_generated = by_ap == NULL;
if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
/*
* Avoid reporting two disassociation events that could
* confuse the core code.
*/
wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
"event when using userspace SME");
return;
}
if (drv->ignore_next_local_disconnect) {
drv->ignore_next_local_disconnect = 0;
if (locally_generated) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
"event triggered during reassociation");
return;
}
wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
"disconnect but got another disconnect "
"event first");
}
wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
nl80211_mark_disconnected(drv);
os_memset(&data, 0, sizeof(data));
if (reason)
data.deauth_info.reason_code = nla_get_u16(reason);
data.deauth_info.locally_generated = by_ap == NULL;
wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
}
static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
{
int freq1 = 0;
switch (convert2width(width)) {
case CHAN_WIDTH_20_NOHT:
case CHAN_WIDTH_20:
return 0;
case CHAN_WIDTH_40:
freq1 = cf1 - 10;
break;
case CHAN_WIDTH_80:
freq1 = cf1 - 30;
break;
case CHAN_WIDTH_160:
freq1 = cf1 - 70;
break;
case CHAN_WIDTH_UNKNOWN:
case CHAN_WIDTH_80P80:
/* FIXME: implement this */
return 0;
}
return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
}
static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
struct nlattr *ifindex, struct nlattr *freq,
struct nlattr *type, struct nlattr *bw,
struct nlattr *cf1, struct nlattr *cf2)
{
struct i802_bss *bss;
union wpa_event_data data;
int ht_enabled = 1;
int chan_offset = 0;
int ifidx;
wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
if (!freq)
return;
ifidx = nla_get_u32(ifindex);
bss = get_bss_ifindex(drv, ifidx);
if (bss == NULL) {
wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
ifidx);
return;
}
if (type) {
enum nl80211_channel_type ch_type = nla_get_u32(type);
wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
switch (ch_type) {
case NL80211_CHAN_NO_HT:
ht_enabled = 0;
break;
case NL80211_CHAN_HT20:
break;
case NL80211_CHAN_HT40PLUS:
chan_offset = 1;
break;
case NL80211_CHAN_HT40MINUS:
chan_offset = -1;
break;
}
} else if (bw && cf1) {
/* This can happen for example with VHT80 ch switch */
chan_offset = calculate_chan_offset(nla_get_u32(bw),
nla_get_u32(freq),
nla_get_u32(cf1),
cf2 ? nla_get_u32(cf2) : 0);
} else {
wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
}
os_memset(&data, 0, sizeof(data));
data.ch_switch.freq = nla_get_u32(freq);
data.ch_switch.ht_enabled = ht_enabled;
data.ch_switch.ch_offset = chan_offset;
if (bw)
data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
if (cf1)
data.ch_switch.cf1 = nla_get_u32(cf1);
if (cf2)
data.ch_switch.cf2 = nla_get_u32(cf2);
bss->freq = data.ch_switch.freq;
wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
}
static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
enum nl80211_commands cmd, struct nlattr *addr)
{
union wpa_event_data event;
enum wpa_event_type ev;
if (nla_len(addr) != ETH_ALEN)
return;
wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
cmd, MAC2STR((u8 *) nla_data(addr)));
if (cmd == NL80211_CMD_AUTHENTICATE)
ev = EVENT_AUTH_TIMED_OUT;
else if (cmd == NL80211_CMD_ASSOCIATE)
ev = EVENT_ASSOC_TIMED_OUT;
else
return;
os_memset(&event, 0, sizeof(event));
os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
wpa_supplicant_event(drv->ctx, ev, &event);
}
static void mlme_event_mgmt(struct i802_bss *bss,
struct nlattr *freq, struct nlattr *sig,
const u8 *frame, size_t len)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
const struct ieee80211_mgmt *mgmt;
union wpa_event_data event;
u16 fc, stype;
int ssi_signal = 0;
int rx_freq = 0;
wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
mgmt = (const struct ieee80211_mgmt *) frame;
if (len < 24) {
wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
return;
}
fc = le_to_host16(mgmt->frame_control);
stype = WLAN_FC_GET_STYPE(fc);
if (sig)
ssi_signal = (s32) nla_get_u32(sig);
os_memset(&event, 0, sizeof(event));
if (freq) {
event.rx_mgmt.freq = nla_get_u32(freq);
rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
}
wpa_printf(MSG_DEBUG,
"nl80211: RX frame sa=" MACSTR
" freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u",
MAC2STR(mgmt->sa), rx_freq, ssi_signal, fc,
le_to_host16(mgmt->seq_ctrl), stype, fc2str(fc),
(unsigned int) len);
event.rx_mgmt.frame = frame;
event.rx_mgmt.frame_len = len;
event.rx_mgmt.ssi_signal = ssi_signal;
event.rx_mgmt.drv_priv = bss;
wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
}
static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
struct nlattr *cookie, const u8 *frame,
size_t len, struct nlattr *ack)
{
union wpa_event_data event;
const struct ieee80211_hdr *hdr;
u16 fc;
wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
if (!is_ap_interface(drv->nlmode)) {
u64 cookie_val;
if (!cookie)
return;
cookie_val = nla_get_u64(cookie);
wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
" cookie=0%llx%s (ack=%d)",
(long long unsigned int) cookie_val,
cookie_val == drv->send_action_cookie ?
" (match)" : " (unknown)", ack != NULL);
if (cookie_val != drv->send_action_cookie)
return;
}
hdr = (const struct ieee80211_hdr *) frame;
fc = le_to_host16(hdr->frame_control);
os_memset(&event, 0, sizeof(event));
event.tx_status.type = WLAN_FC_GET_TYPE(fc);
event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
event.tx_status.dst = hdr->addr1;
event.tx_status.data = frame;
event.tx_status.data_len = len;
event.tx_status.ack = ack != NULL;
wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
}
static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
enum wpa_event_type type,
const u8 *frame, size_t len)
{
const struct ieee80211_mgmt *mgmt;
union wpa_event_data event;
const u8 *bssid = NULL;
u16 reason_code = 0;
if (type == EVENT_DEAUTH)
wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
else
wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
mgmt = (const struct ieee80211_mgmt *) frame;
if (len >= 24) {
bssid = mgmt->bssid;
if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
!drv->associated &&
os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
/*
* Avoid issues with some roaming cases where
* disconnection event for the old AP may show up after
* we have started connection with the new AP.
*/
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
MAC2STR(bssid),
MAC2STR(drv->auth_attempt_bssid));
return;
}
if (drv->associated != 0 &&
os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
/*
* We have presumably received this deauth as a
* response to a clear_state_mismatch() outgoing
* deauth. Don't let it take us offline!
*/
wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
"from Unknown BSSID " MACSTR " -- ignoring",
MAC2STR(bssid));
return;
}
}
nl80211_mark_disconnected(drv);
os_memset(&event, 0, sizeof(event));
/* Note: Same offset for Reason Code in both frame subtypes */
if (len >= 24 + sizeof(mgmt->u.deauth))
reason_code = le_to_host16(mgmt->u.deauth.reason_code);
if (type == EVENT_DISASSOC) {
event.disassoc_info.locally_generated =
!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
event.disassoc_info.addr = bssid;
event.disassoc_info.reason_code = reason_code;
if (frame + len > mgmt->u.disassoc.variable) {
event.disassoc_info.ie = mgmt->u.disassoc.variable;
event.disassoc_info.ie_len = frame + len -
mgmt->u.disassoc.variable;
}
} else {
if (drv->ignore_deauth_event) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
drv->ignore_deauth_event = 0;
return;
}
event.deauth_info.locally_generated =
!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
if (drv->ignore_next_local_deauth) {
drv->ignore_next_local_deauth = 0;
if (event.deauth_info.locally_generated) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
return;
}
wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
}
event.deauth_info.addr = bssid;
event.deauth_info.reason_code = reason_code;
if (frame + len > mgmt->u.deauth.variable) {
event.deauth_info.ie = mgmt->u.deauth.variable;
event.deauth_info.ie_len = frame + len -
mgmt->u.deauth.variable;
}
}
wpa_supplicant_event(drv->ctx, type, &event);
}
static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
enum wpa_event_type type,
const u8 *frame, size_t len)
{
const struct ieee80211_mgmt *mgmt;
union wpa_event_data event;
u16 reason_code = 0;
if (type == EVENT_UNPROT_DEAUTH)
wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
else
wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
if (len < 24)
return;
mgmt = (const struct ieee80211_mgmt *) frame;
os_memset(&event, 0, sizeof(event));
/* Note: Same offset for Reason Code in both frame subtypes */
if (len >= 24 + sizeof(mgmt->u.deauth))
reason_code = le_to_host16(mgmt->u.deauth.reason_code);
if (type == EVENT_UNPROT_DISASSOC) {
event.unprot_disassoc.sa = mgmt->sa;
event.unprot_disassoc.da = mgmt->da;
event.unprot_disassoc.reason_code = reason_code;
} else {
event.unprot_deauth.sa = mgmt->sa;
event.unprot_deauth.da = mgmt->da;
event.unprot_deauth.reason_code = reason_code;
}
wpa_supplicant_event(drv->ctx, type, &event);
}
static void mlme_event(struct i802_bss *bss,
enum nl80211_commands cmd, struct nlattr *frame,
struct nlattr *addr, struct nlattr *timed_out,
struct nlattr *freq, struct nlattr *ack,
struct nlattr *cookie, struct nlattr *sig,
struct nlattr *wmm)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
const u8 *data;
size_t len;
if (timed_out && addr) {
mlme_timeout_event(drv, cmd, addr);
return;
}
if (frame == NULL) {
wpa_printf(MSG_DEBUG,
"nl80211: MLME event %d (%s) without frame data",
cmd, nl80211_command_to_string(cmd));
return;
}
data = nla_data(frame);
len = nla_len(frame);
if (len < 4 + 2 * ETH_ALEN) {
wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
MACSTR ") - too short",
cmd, nl80211_command_to_string(cmd), bss->ifname,
MAC2STR(bss->addr));
return;
}
wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
") A1=" MACSTR " A2=" MACSTR, cmd,
nl80211_command_to_string(cmd), bss->ifname,
MAC2STR(bss->addr), MAC2STR(data + 4),
MAC2STR(data + 4 + ETH_ALEN));
if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
"for foreign address", bss->ifname);
return;
}
wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
nla_data(frame), nla_len(frame));
switch (cmd) {
case NL80211_CMD_AUTHENTICATE:
mlme_event_auth(drv, nla_data(frame), nla_len(frame));
break;
case NL80211_CMD_ASSOCIATE:
mlme_event_assoc(drv, nla_data(frame), nla_len(frame), wmm);
break;
case NL80211_CMD_DEAUTHENTICATE:
mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
nla_data(frame), nla_len(frame));
break;
case NL80211_CMD_DISASSOCIATE:
mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
nla_data(frame), nla_len(frame));
break;
case NL80211_CMD_FRAME:
mlme_event_mgmt(bss, freq, sig, nla_data(frame),
nla_len(frame));
break;
case NL80211_CMD_FRAME_TX_STATUS:
mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
nla_len(frame), ack);
break;
case NL80211_CMD_UNPROT_DEAUTHENTICATE:
mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
nla_data(frame), nla_len(frame));
break;
case NL80211_CMD_UNPROT_DISASSOCIATE:
mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
nla_data(frame), nla_len(frame));
break;
default:
break;
}
}
static void mlme_event_michael_mic_failure(struct i802_bss *bss,
struct nlattr *tb[])
{
union wpa_event_data data;
wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
os_memset(&data, 0, sizeof(data));
if (tb[NL80211_ATTR_MAC]) {
wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
nla_data(tb[NL80211_ATTR_MAC]),
nla_len(tb[NL80211_ATTR_MAC]));
data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
}
if (tb[NL80211_ATTR_KEY_SEQ]) {
wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
nla_data(tb[NL80211_ATTR_KEY_SEQ]),
nla_len(tb[NL80211_ATTR_KEY_SEQ]));
}
if (tb[NL80211_ATTR_KEY_TYPE]) {
enum nl80211_key_type key_type =
nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
if (key_type == NL80211_KEYTYPE_PAIRWISE)
data.michael_mic_failure.unicast = 1;
} else
data.michael_mic_failure.unicast = 1;
if (tb[NL80211_ATTR_KEY_IDX]) {
u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
}
wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
}
static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
struct nlattr *tb[])
{
unsigned int freq;
if (tb[NL80211_ATTR_MAC] == NULL) {
wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
"event");
return;
}
os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
drv->associated = 1;
wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
MAC2STR(drv->bssid));
freq = nl80211_get_assoc_freq(drv);
if (freq) {
wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
freq);
drv->first_bss->freq = freq;
}
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
}
static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
int cancel_event, struct nlattr *tb[])
{
unsigned int freq, chan_type, duration;
union wpa_event_data data;
u64 cookie;
if (tb[NL80211_ATTR_WIPHY_FREQ])
freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
else
freq = 0;
if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
else
chan_type = 0;
if (tb[NL80211_ATTR_DURATION])
duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
else
duration = 0;
if (tb[NL80211_ATTR_COOKIE])
cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
else
cookie = 0;
wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
"freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
cancel_event, freq, chan_type, duration,
(long long unsigned int) cookie,
cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
if (cookie != drv->remain_on_chan_cookie)
return; /* not for us */
if (cancel_event)
drv->pending_remain_on_chan = 0;
os_memset(&data, 0, sizeof(data));
data.remain_on_channel.freq = freq;
data.remain_on_channel.duration = duration;
wpa_supplicant_event(drv->ctx, cancel_event ?
EVENT_CANCEL_REMAIN_ON_CHANNEL :
EVENT_REMAIN_ON_CHANNEL, &data);
}
static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
struct nlattr *tb[])
{
union wpa_event_data data;
os_memset(&data, 0, sizeof(data));
if (tb[NL80211_ATTR_IE]) {
data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
}
if (tb[NL80211_ATTR_IE_RIC]) {
data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
}
if (tb[NL80211_ATTR_MAC])
os_memcpy(data.ft_ies.target_ap,
nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
MAC2STR(data.ft_ies.target_ap));
wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
}
static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
struct nlattr *tb[])
{
union wpa_event_data event;
struct nlattr *nl;
int rem;
struct scan_info *info;
#define MAX_REPORT_FREQS 50
int freqs[MAX_REPORT_FREQS];
int num_freqs = 0;
if (drv->scan_for_auth) {
drv->scan_for_auth = 0;
wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
"cfg80211 BSS entry");
wpa_driver_nl80211_authenticate_retry(drv);
return;
}
os_memset(&event, 0, sizeof(event));
info = &event.scan_info;
info->aborted = aborted;
if (tb[NL80211_ATTR_SCAN_SSIDS]) {
nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
struct wpa_driver_scan_ssid *s =
&info->ssids[info->num_ssids];
s->ssid = nla_data(nl);
s->ssid_len = nla_len(nl);
wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
wpa_ssid_txt(s->ssid, s->ssid_len));
info->num_ssids++;
if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
break;
}
}
if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
char msg[200], *pos, *end;
int res;
pos = msg;
end = pos + sizeof(msg);
*pos = '\0';
nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
{
freqs[num_freqs] = nla_get_u32(nl);
res = os_snprintf(pos, end - pos, " %d",
freqs[num_freqs]);
if (!os_snprintf_error(end - pos, res))
pos += res;
num_freqs++;
if (num_freqs == MAX_REPORT_FREQS - 1)
break;
}
info->freqs = freqs;
info->num_freqs = num_freqs;
wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
msg);
}
wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
}
static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
struct nlattr *tb[])
{
static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
[NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
};
struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
enum nl80211_cqm_rssi_threshold_event event;
union wpa_event_data ed;
struct wpa_signal_info sig;
int res;
if (tb[NL80211_ATTR_CQM] == NULL ||
nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
cqm_policy)) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
return;
}
os_memset(&ed, 0, sizeof(ed));
if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
if (!tb[NL80211_ATTR_MAC])
return;
os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
ETH_ALEN);
wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
return;
}
if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
return;
event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
"event: RSSI high");
ed.signal_change.above_threshold = 1;
} else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
"event: RSSI low");
ed.signal_change.above_threshold = 0;
} else
return;
res = nl80211_get_link_signal(drv, &sig);
if (res == 0) {
ed.signal_change.current_signal = sig.current_signal;
ed.signal_change.current_txrate = sig.current_txrate;
wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
sig.current_signal, sig.current_txrate);
}
res = nl80211_get_link_noise(drv, &sig);
if (res == 0) {
ed.signal_change.current_noise = sig.current_noise;
wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
sig.current_noise);
}
wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
}
static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
const u8 *addr;
union wpa_event_data data;
if (drv->nlmode != NL80211_IFTYPE_MESH_POINT)
return;
if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
return;
addr = nla_data(tb[NL80211_ATTR_MAC]);
wpa_printf(MSG_DEBUG, "nl80211: New peer candidate" MACSTR,
MAC2STR(addr));
os_memset(&data, 0, sizeof(data));
data.mesh_peer.peer = addr;
data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]);
data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]);
wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data);
}
static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
struct i802_bss *bss,
struct nlattr **tb)
{
u8 *addr;
union wpa_event_data data;
if (tb[NL80211_ATTR_MAC] == NULL)
return;
addr = nla_data(tb[NL80211_ATTR_MAC]);
wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
u8 *ies = NULL;
size_t ies_len = 0;
if (tb[NL80211_ATTR_IE]) {
ies = nla_data(tb[NL80211_ATTR_IE]);
ies_len = nla_len(tb[NL80211_ATTR_IE]);
}
wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
drv_event_assoc(bss->ctx, addr, ies, ies_len, 0);
return;
}
if (drv->nlmode != NL80211_IFTYPE_ADHOC)
return;
os_memset(&data, 0, sizeof(data));
os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
wpa_supplicant_event(bss->ctx, EVENT_IBSS_RSN_START, &data);
}
static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
u8 *addr;
union wpa_event_data data;
if (tb[NL80211_ATTR_MAC] == NULL)
return;
addr = nla_data(tb[NL80211_ATTR_MAC]);
wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
MAC2STR(addr));
if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
drv_event_disassoc(drv->ctx, addr);
return;
}
if (drv->nlmode != NL80211_IFTYPE_ADHOC)
return;
os_memset(&data, 0, sizeof(data));
os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
}
static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
[NL80211_REKEY_DATA_KEK] = {
.minlen = NL80211_KEK_LEN,
.maxlen = NL80211_KEK_LEN,
},
[NL80211_REKEY_DATA_KCK] = {
.minlen = NL80211_KCK_LEN,
.maxlen = NL80211_KCK_LEN,
},
[NL80211_REKEY_DATA_REPLAY_CTR] = {
.minlen = NL80211_REPLAY_CTR_LEN,
.maxlen = NL80211_REPLAY_CTR_LEN,
},
};
union wpa_event_data data;
if (!tb[NL80211_ATTR_MAC])
return;
if (!tb[NL80211_ATTR_REKEY_DATA])
return;
if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
return;
if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
return;
os_memset(&data, 0, sizeof(data));
data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
MAC2STR(data.driver_gtk_rekey.bssid));
data.driver_gtk_rekey.replay_ctr =
nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
}
static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
[NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
[NL80211_PMKSA_CANDIDATE_BSSID] = {
.minlen = ETH_ALEN,
.maxlen = ETH_ALEN,
},
[NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
};
union wpa_event_data data;
wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
return;
if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
return;
if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
!cand[NL80211_PMKSA_CANDIDATE_BSSID])
return;
os_memset(&data, 0, sizeof(data));
os_memcpy(data.pmkid_candidate.bssid,
nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
data.pmkid_candidate.index =
nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
data.pmkid_candidate.preauth =
cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
}
static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
union wpa_event_data data;
wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
return;
os_memset(&data, 0, sizeof(data));
os_memcpy(data.client_poll.addr,
nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
}
static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
union wpa_event_data data;
wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
return;
os_memset(&data, 0, sizeof(data));
os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
case NL80211_TDLS_SETUP:
wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
MACSTR, MAC2STR(data.tdls.peer));
data.tdls.oper = TDLS_REQUEST_SETUP;
break;
case NL80211_TDLS_TEARDOWN:
wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
MACSTR, MAC2STR(data.tdls.peer));
data.tdls.oper = TDLS_REQUEST_TEARDOWN;
break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
"event");
return;
}
if (tb[NL80211_ATTR_REASON_CODE]) {
data.tdls.reason_code =
nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
}
wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
}
static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
}
static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
union wpa_event_data data;
u32 reason;
wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
return;
os_memset(&data, 0, sizeof(data));
os_memcpy(data.connect_failed_reason.addr,
nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
switch (reason) {
case NL80211_CONN_FAIL_MAX_CLIENTS:
wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
data.connect_failed_reason.code = MAX_CLIENT_REACHED;
break;
case NL80211_CONN_FAIL_BLOCKED_CLIENT:
wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
" tried to connect",
MAC2STR(data.connect_failed_reason.addr));
data.connect_failed_reason.code = BLOCKED_CLIENT;
break;
default:
wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
"%u", reason);
return;
}
wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
}
static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
union wpa_event_data data;
enum nl80211_radar_event event_type;
if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
return;
os_memset(&data, 0, sizeof(data));
data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
/* Check HT params */
if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
data.dfs_event.ht_enabled = 1;
data.dfs_event.chan_offset = 0;
switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
case NL80211_CHAN_NO_HT:
data.dfs_event.ht_enabled = 0;
break;
case NL80211_CHAN_HT20:
break;
case NL80211_CHAN_HT40PLUS:
data.dfs_event.chan_offset = 1;
break;
case NL80211_CHAN_HT40MINUS:
data.dfs_event.chan_offset = -1;
break;
}
}
/* Get VHT params */
if (tb[NL80211_ATTR_CHANNEL_WIDTH])
data.dfs_event.chan_width =
convert2width(nla_get_u32(
tb[NL80211_ATTR_CHANNEL_WIDTH]));
if (tb[NL80211_ATTR_CENTER_FREQ1])
data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
if (tb[NL80211_ATTR_CENTER_FREQ2])
data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
data.dfs_event.freq, data.dfs_event.ht_enabled,
data.dfs_event.chan_offset, data.dfs_event.chan_width,
data.dfs_event.cf1, data.dfs_event.cf2);
switch (event_type) {
case NL80211_RADAR_DETECTED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
break;
case NL80211_RADAR_CAC_FINISHED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
break;
case NL80211_RADAR_CAC_ABORTED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
break;
case NL80211_RADAR_NOP_FINISHED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
"received", event_type);
break;
}
}
static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
int wds)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
union wpa_event_data event;
if (!tb[NL80211_ATTR_MAC])
return;
os_memset(&event, 0, sizeof(event));
event.rx_from_unknown.bssid = bss->addr;
event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
event.rx_from_unknown.wds = wds;
wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
}
static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
const u8 *data, size_t len)
{
u32 i, count;
union wpa_event_data event;
struct wpa_freq_range *range = NULL;
const struct qca_avoid_freq_list *freq_range;
freq_range = (const struct qca_avoid_freq_list *) data;
if (len < sizeof(freq_range->count))
return;
count = freq_range->count;
if (len < sizeof(freq_range->count) +
count * sizeof(struct qca_avoid_freq_range)) {
wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
(unsigned int) len);
return;
}
if (count > 0) {
range = os_calloc(count, sizeof(struct wpa_freq_range));
if (range == NULL)
return;
}
os_memset(&event, 0, sizeof(event));
for (i = 0; i < count; i++) {
unsigned int idx = event.freq_range.num;
range[idx].min = freq_range->range[i].start_freq;
range[idx].max = freq_range->range[i].end_freq;
wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
range[idx].min, range[idx].max);
if (range[idx].min > range[idx].max) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
continue;
}
event.freq_range.num++;
}
event.freq_range.range = range;
wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
os_free(range);
}
static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
const u8 *data, size_t len)
{
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1];
union wpa_event_data event;
wpa_printf(MSG_DEBUG,
"nl80211: ACS channel selection vendor event received");
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX,
(struct nlattr *) data, len, NULL))
return;
if (!tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL] ||
!tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL])
return;
os_memset(&event, 0, sizeof(event));
event.acs_selected_channels.pri_channel =
nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]);
event.acs_selected_channels.sec_channel =
nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]);
wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
}
static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
const u8 *data, size_t len)
{
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
u8 *bssid;
wpa_printf(MSG_DEBUG,
"nl80211: Key management roam+auth vendor event received");
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
(struct nlattr *) data, len, NULL))
return;
if (!tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
!tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
!tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
!tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
return;
bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
wpa_printf(MSG_DEBUG, " * roam BSSID " MACSTR, MAC2STR(bssid));
mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK]);
}
static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
u32 subcmd, u8 *data, size_t len)
{
switch (subcmd) {
case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
qca_nl80211_avoid_freq(drv, data, len);
break;
case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
qca_nl80211_key_mgmt_auth(drv, data, len);
break;
case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
qca_nl80211_acs_select_ch(drv, data, len);
break;
default:
wpa_printf(MSG_DEBUG,
"nl80211: Ignore unsupported QCA vendor event %u",
subcmd);
break;
}
}
static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
u32 vendor_id, subcmd, wiphy = 0;
int wiphy_idx;
u8 *data = NULL;
size_t len = 0;
if (!tb[NL80211_ATTR_VENDOR_ID] ||
!tb[NL80211_ATTR_VENDOR_SUBCMD])
return;
vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
if (tb[NL80211_ATTR_WIPHY])
wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
wiphy, vendor_id, subcmd);
if (tb[NL80211_ATTR_VENDOR_DATA]) {
data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
}
wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
wiphy, wiphy_idx);
return;
}
switch (vendor_id) {
case OUI_QCA:
nl80211_vendor_event_qca(drv, subcmd, data, len);
break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
break;
}
}
static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
struct nlattr *tb[])
{
union wpa_event_data data;
enum nl80211_reg_initiator init;
wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
return;
os_memset(&data, 0, sizeof(data));
init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
wpa_printf(MSG_DEBUG, " * initiator=%d", init);
switch (init) {
case NL80211_REGDOM_SET_BY_CORE:
data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
break;
case NL80211_REGDOM_SET_BY_USER:
data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
break;
case NL80211_REGDOM_SET_BY_DRIVER:
data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
break;
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
break;
}
if (tb[NL80211_ATTR_REG_TYPE]) {
enum nl80211_reg_type type;
type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
wpa_printf(MSG_DEBUG, " * type=%d", type);
switch (type) {
case NL80211_REGDOM_TYPE_COUNTRY:
data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
break;
case NL80211_REGDOM_TYPE_WORLD:
data.channel_list_changed.type = REGDOM_TYPE_WORLD;
break;
case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
data.channel_list_changed.type =
REGDOM_TYPE_CUSTOM_WORLD;
break;
case NL80211_REGDOM_TYPE_INTERSECTION:
data.channel_list_changed.type =
REGDOM_TYPE_INTERSECTION;
break;
}
}
if (tb[NL80211_ATTR_REG_ALPHA2]) {
os_strlcpy(data.channel_list_changed.alpha2,
nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
sizeof(data.channel_list_changed.alpha2));
wpa_printf(MSG_DEBUG, " * alpha2=%s",
data.channel_list_changed.alpha2);
}
wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
}
static void do_process_drv_event(struct i802_bss *bss, int cmd,
struct nlattr **tb)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
union wpa_event_data data;
wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
cmd, nl80211_command_to_string(cmd), bss->ifname);
if (cmd == NL80211_CMD_ROAM &&
(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
/*
* Device will use roam+auth vendor event to indicate
* roaming, so ignore the regular roam event.
*/
wpa_printf(MSG_DEBUG,
"nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
cmd);
return;
}
if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
(cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
cmd == NL80211_CMD_SCAN_ABORTED)) {
wpa_driver_nl80211_set_mode(drv->first_bss,
drv->ap_scan_as_station);
drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
}
switch (cmd) {
case NL80211_CMD_TRIGGER_SCAN:
wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
drv->scan_state = SCAN_STARTED;
if (drv->scan_for_auth) {
/*
* Cannot indicate EVENT_SCAN_STARTED here since we skip
* EVENT_SCAN_RESULTS in scan_for_auth case and the
* upper layer implementation could get confused about
* scanning state.
*/
wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
break;
}
wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
break;
case NL80211_CMD_START_SCHED_SCAN:
wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
drv->scan_state = SCHED_SCAN_STARTED;
break;
case NL80211_CMD_SCHED_SCAN_STOPPED:
wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
drv->scan_state = SCHED_SCAN_STOPPED;
wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
break;
case NL80211_CMD_NEW_SCAN_RESULTS:
wpa_dbg(drv->ctx, MSG_DEBUG,
"nl80211: New scan results available");
drv->scan_state = SCAN_COMPLETED;
drv->scan_complete_events = 1;
eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
drv->ctx);
send_scan_event(drv, 0, tb);
break;
case NL80211_CMD_SCHED_SCAN_RESULTS:
wpa_dbg(drv->ctx, MSG_DEBUG,
"nl80211: New sched scan results available");
drv->scan_state = SCHED_SCAN_RESULTS;
send_scan_event(drv, 0, tb);
break;
case NL80211_CMD_SCAN_ABORTED:
wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
drv->scan_state = SCAN_ABORTED;
/*
* Need to indicate that scan results are available in order
* not to make wpa_supplicant stop its scanning.
*/
eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
drv->ctx);
send_scan_event(drv, 1, tb);
break;
case NL80211_CMD_AUTHENTICATE:
case NL80211_CMD_ASSOCIATE:
case NL80211_CMD_DEAUTHENTICATE:
case NL80211_CMD_DISASSOCIATE:
case NL80211_CMD_FRAME_TX_STATUS:
case NL80211_CMD_UNPROT_DEAUTHENTICATE:
case NL80211_CMD_UNPROT_DISASSOCIATE:
mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
tb[NL80211_ATTR_COOKIE],
tb[NL80211_ATTR_RX_SIGNAL_DBM],
tb[NL80211_ATTR_STA_WME]);
break;
case NL80211_CMD_CONNECT:
case NL80211_CMD_ROAM:
mlme_event_connect(drv, cmd,
tb[NL80211_ATTR_STATUS_CODE],
tb[NL80211_ATTR_MAC],
tb[NL80211_ATTR_REQ_IE],
tb[NL80211_ATTR_RESP_IE],
NULL, NULL, NULL, NULL);
break;
case NL80211_CMD_CH_SWITCH_NOTIFY:
mlme_event_ch_switch(drv,
tb[NL80211_ATTR_IFINDEX],
tb[NL80211_ATTR_WIPHY_FREQ],
tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
tb[NL80211_ATTR_CHANNEL_WIDTH],
tb[NL80211_ATTR_CENTER_FREQ1],
tb[NL80211_ATTR_CENTER_FREQ2]);
break;
case NL80211_CMD_DISCONNECT:
mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
tb[NL80211_ATTR_MAC],
tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
break;
case NL80211_CMD_MICHAEL_MIC_FAILURE:
mlme_event_michael_mic_failure(bss, tb);
break;
case NL80211_CMD_JOIN_IBSS:
mlme_event_join_ibss(drv, tb);
break;
case NL80211_CMD_REMAIN_ON_CHANNEL:
mlme_event_remain_on_channel(drv, 0, tb);
break;
case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
mlme_event_remain_on_channel(drv, 1, tb);
break;
case NL80211_CMD_NOTIFY_CQM:
nl80211_cqm_event(drv, tb);
break;
case NL80211_CMD_REG_CHANGE:
nl80211_reg_change_event(drv, tb);
break;
case NL80211_CMD_REG_BEACON_HINT:
wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
os_memset(&data, 0, sizeof(data));
data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
&data);
break;
case NL80211_CMD_NEW_STATION:
nl80211_new_station_event(drv, bss, tb);
break;
case NL80211_CMD_DEL_STATION:
nl80211_del_station_event(drv, tb);
break;
case NL80211_CMD_SET_REKEY_OFFLOAD:
nl80211_rekey_offload_event(drv, tb);
break;
case NL80211_CMD_PMKSA_CANDIDATE:
nl80211_pmksa_candidate_event(drv, tb);
break;
case NL80211_CMD_PROBE_CLIENT:
nl80211_client_probe_event(drv, tb);
break;
case NL80211_CMD_TDLS_OPER:
nl80211_tdls_oper_event(drv, tb);
break;
case NL80211_CMD_CONN_FAILED:
nl80211_connect_failed_event(drv, tb);
break;
case NL80211_CMD_FT_EVENT:
mlme_event_ft_event(drv, tb);
break;
case NL80211_CMD_RADAR_DETECT:
nl80211_radar_event(drv, tb);
break;
case NL80211_CMD_STOP_AP:
nl80211_stop_ap(drv, tb);
break;
case NL80211_CMD_VENDOR:
nl80211_vendor_event(drv, tb);
break;
case NL80211_CMD_NEW_PEER_CANDIDATE:
nl80211_new_peer_candidate(drv, tb);
break;
default:
wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
"(cmd=%d)", cmd);
break;
}
}
int process_global_event(struct nl_msg *msg, void *arg)
{
struct nl80211_global *global = arg;
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct nlattr *tb[NL80211_ATTR_MAX + 1];
struct wpa_driver_nl80211_data *drv, *tmp;
int ifidx = -1;
struct i802_bss *bss;
u64 wdev_id = 0;
int wdev_id_set = 0;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (tb[NL80211_ATTR_IFINDEX])
ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
else if (tb[NL80211_ATTR_WDEV]) {
wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
wdev_id_set = 1;
}
dl_list_for_each_safe(drv, tmp, &global->interfaces,
struct wpa_driver_nl80211_data, list) {
for (bss = drv->first_bss; bss; bss = bss->next) {
if ((ifidx == -1 && !wdev_id_set) ||
ifidx == bss->ifindex ||
(wdev_id_set && bss->wdev_id_set &&
wdev_id == bss->wdev_id)) {
do_process_drv_event(bss, gnlh->cmd, tb);
return NL_SKIP;
}
}
wpa_printf(MSG_DEBUG,
"nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d wdev 0x%llx)",
gnlh->cmd, ifidx, (long long unsigned int) wdev_id);
}
return NL_SKIP;
}
int process_bss_event(struct nl_msg *msg, void *arg)
{
struct i802_bss *bss = arg;
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct nlattr *tb[NL80211_ATTR_MAX + 1];
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
bss->ifname);
switch (gnlh->cmd) {
case NL80211_CMD_FRAME:
case NL80211_CMD_FRAME_TX_STATUS:
mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
tb[NL80211_ATTR_COOKIE],
tb[NL80211_ATTR_RX_SIGNAL_DBM],
tb[NL80211_ATTR_STA_WME]);
break;
case NL80211_CMD_UNEXPECTED_FRAME:
nl80211_spurious_frame(bss, tb, 0);
break;
case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
nl80211_spurious_frame(bss, tb, 1);
break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
"(cmd=%d)", gnlh->cmd);
break;
}
return NL_SKIP;
}
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