int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
{
struct hostapd_iface *iface = wpa_s->ap_iface;
struct wpa_ssid *ssid = wpa_s->current_ssid;
struct hostapd_data *hapd;
if (ssid == NULL || wpa_s->ap_iface == NULL ||
ssid->mode == WPAS_MODE_INFRA ||
ssid->mode == WPAS_MODE_IBSS)
return -1;
#ifdef CONFIG_P2P
if (ssid->mode == WPAS_MODE_P2P_GO)
iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
P2P_GROUP_FORMATION;
#endif /* CONFIG_P2P */
hapd = iface->bss[0];
if (hapd->drv_priv == NULL)
return -1;
ieee802_11_set_beacons(iface);
hostapd_set_ap_wps_ie(hapd);
return 0;
}
void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
int set_beacon = 0;
accounting_sta_stop(hapd, sta);
if (!ap_sta_in_other_bss(hapd, sta, WLAN_STA_ASSOC) &&
!(sta->flags & WLAN_STA_PREAUTH))
hostapd_sta_remove(hapd, sta->addr);
ap_sta_hash_del(hapd, sta);
ap_sta_list_del(hapd, sta);
if (sta->aid > 0)
hapd->sta_aid[sta->aid - 1] = NULL;
hapd->num_sta--;
if (sta->nonerp_set) {
sta->nonerp_set = 0;
hapd->iface->num_sta_non_erp--;
if (hapd->iface->num_sta_non_erp == 0)
set_beacon++;
}
if (sta->no_short_slot_time_set) {
sta->no_short_slot_time_set = 0;
hapd->iface->num_sta_no_short_slot_time--;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_slot_time == 0)
set_beacon++;
}
if (sta->no_short_preamble_set) {
sta->no_short_preamble_set = 0;
hapd->iface->num_sta_no_short_preamble--;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_preamble == 0)
set_beacon++;
}
if (set_beacon)
ieee802_11_set_beacons(hapd->iface);
eloop_cancel_timeout(ap_handle_timer, hapd, sta);
eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
ieee802_1x_free_station(sta);
wpa_auth_sta_deinit(sta->wpa_sm);
rsn_preauth_free_station(hapd, sta);
radius_client_flush_auth(hapd->radius, sta->addr);
if (sta->last_assoc_req)
free(sta->last_assoc_req);
free(sta->challenge);
free(sta);
}
void ap_ht2040_timeout(void *eloop_data, void *user_data)
{
struct hostapd_iface *iface = eloop_data;
wpa_printf(MSG_INFO, "Switching to 40 MHz operation");
iface->conf->secondary_channel = iface->secondary_ch;
ieee802_11_set_beacons(iface);
}
void update_ht_state(struct hostapd_data *hapd, struct sta_info *sta)
{
if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities)
update_sta_ht(hapd, sta);
else
update_sta_no_ht(hapd, sta);
if (hostapd_ht_operation_update(hapd->iface) > 0)
ieee802_11_set_beacons(hapd->iface);
}
static void ap_list_timer(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_iface *iface = eloop_ctx;
struct os_time now;
struct ap_info *ap;
int set_beacon = 0;
eloop_register_timeout(10, 0, ap_list_timer, iface, NULL);
if (!iface->ap_list)
return;
os_get_time(&now);
while (iface->ap_list) {
ap = iface->ap_list->prev;
if (ap->last_beacon + iface->conf->ap_table_expiration_time >=
now.sec)
break;
ap_free_ap(iface, ap);
}
if (iface->olbc || iface->olbc_ht) {
int olbc = 0;
int olbc_ht = 0;
ap = iface->ap_list;
while (ap && (olbc == 0 || olbc_ht == 0)) {
if (ap_list_beacon_olbc(iface, ap))
olbc = 1;
if (!ap->ht_support)
olbc_ht = 1;
ap = ap->next;
}
if (!olbc && iface->olbc) {
wpa_printf(MSG_DEBUG, "OLBC not detected anymore");
iface->olbc = 0;
set_beacon++;
}
#ifdef CONFIG_IEEE80211N
if (!olbc_ht && iface->olbc_ht) {
wpa_printf(MSG_DEBUG, "OLBC HT not detected anymore");
iface->olbc_ht = 0;
hostapd_ht_operation_update(iface);
set_beacon++;
}
#endif /* CONFIG_IEEE80211N */
}
if (set_beacon)
ieee802_11_set_beacons(iface);
}
static void ap_list_timer(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_iface *iface = eloop_ctx;
time_t now;
struct ap_info *ap;
eloop_register_timeout(10, 0, ap_list_timer, iface, NULL);
if (!iface->ap_list)
return;
time(&now);
/* FIX: it looks like jkm-Purina ended up in busy loop in this
* function. Apparently, something can still cause a loop in the AP
* list.. */
while (iface->ap_list) {
ap = iface->ap_list->prev;
if (ap->last_beacon + iface->conf->ap_table_expiration_time >=
now)
break;
if (iface->conf->passive_scan_interval > 0)
ap_list_expired_ap(iface, ap);
ap_free_ap(iface, ap);
}
if (iface->olbc) {
int olbc = 0;
ap = iface->ap_list;
while (ap) {
if (ap_list_beacon_olbc(iface, ap)) {
olbc = 1;
break;
}
ap = ap->next;
}
if (!olbc) {
struct hostapd_data *hapd = iface->bss[0];
HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
"OLBC not detected anymore\n");
iface->olbc = 0;
ieee802_11_set_beacons(hapd->iface);
}
}
}
void ht40_intolerant_add(struct hostapd_iface *iface, struct sta_info *sta)
{
if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
return;
wpa_printf(MSG_INFO, "HT: Forty MHz Intolerant is set by STA " MACSTR
" in Association Request", MAC2STR(sta->addr));
if (sta->ht40_intolerant_set)
return;
sta->ht40_intolerant_set = 1;
iface->num_sta_ht40_intolerant++;
eloop_cancel_timeout(ap_ht2040_timeout, iface, NULL);
if (iface->conf->secondary_channel &&
(iface->drv_flags & WPA_DRIVER_FLAGS_HT_2040_COEX)) {
iface->conf->secondary_channel = 0;
ieee802_11_set_beacons(iface);
}
}
static void hostapd_set_force_20mhz(struct hostapd_iface *iface)
{
int secondary_channel;
int i;
ieee802_11_set_beacons(iface);
for (i = 0; i < iface->num_bss; i++) {
struct hostapd_data *hapd = iface->bss[i];
if (iface->force_20mhz)
secondary_channel = 0;
else
secondary_channel = hapd->iconf->secondary_channel;
if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
hapd->iconf->channel,
hapd->iconf->ieee80211n,
secondary_channel)) {
wpa_printf(MSG_ERROR, "Could not set channel for "
"kernel driver");
}
}
}
void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
int set_beacon = 0;
accounting_sta_stop(hapd, sta);
/* just in case */
ap_sta_set_authorized(hapd, sta, 0);
if (sta->flags & WLAN_STA_WDS)
hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 0);
if (!(sta->flags & WLAN_STA_PREAUTH))
hostapd_drv_sta_remove(hapd, sta->addr);
ap_sta_hash_del(hapd, sta);
ap_sta_list_del(hapd, sta);
if (sta->aid > 0)
hapd->sta_aid[(sta->aid - 1) / 32] &=
~BIT((sta->aid - 1) % 32);
hapd->num_sta--;
if (sta->nonerp_set) {
sta->nonerp_set = 0;
hapd->iface->num_sta_non_erp--;
if (hapd->iface->num_sta_non_erp == 0)
set_beacon++;
}
if (sta->no_short_slot_time_set) {
sta->no_short_slot_time_set = 0;
hapd->iface->num_sta_no_short_slot_time--;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_slot_time == 0)
set_beacon++;
}
if (sta->no_short_preamble_set) {
sta->no_short_preamble_set = 0;
hapd->iface->num_sta_no_short_preamble--;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_preamble == 0)
set_beacon++;
}
if (sta->no_ht_gf_set) {
sta->no_ht_gf_set = 0;
hapd->iface->num_sta_ht_no_gf--;
}
if (sta->no_ht_set) {
sta->no_ht_set = 0;
hapd->iface->num_sta_no_ht--;
}
if (sta->ht_20mhz_set) {
sta->ht_20mhz_set = 0;
hapd->iface->num_sta_ht_20mhz--;
}
#ifdef CONFIG_P2P
if (sta->no_p2p_set) {
sta->no_p2p_set = 0;
hapd->num_sta_no_p2p--;
if (hapd->num_sta_no_p2p == 0)
hostapd_p2p_non_p2p_sta_disconnected(hapd);
}
#endif /* CONFIG_P2P */
#if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
if (hostapd_ht_operation_update(hapd->iface) > 0)
set_beacon++;
#endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
if (set_beacon)
ieee802_11_set_beacons(hapd->iface);
wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
__func__, MAC2STR(sta->addr));
eloop_cancel_timeout(ap_handle_timer, hapd, sta);
eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
ieee802_1x_free_station(sta);
wpa_auth_sta_deinit(sta->wpa_sm);
rsn_preauth_free_station(hapd, sta);
#ifndef CONFIG_NO_RADIUS
radius_client_flush_auth(hapd->radius, sta->addr);
#endif /* CONFIG_NO_RADIUS */
os_free(sta->last_assoc_req);
os_free(sta->challenge);
#ifdef CONFIG_IEEE80211W
os_free(sta->sa_query_trans_id);
eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_P2P
p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
#endif /* CONFIG_P2P */
#ifdef CONFIG_INTERWORKING
if (sta->gas_dialog) {
int i;
for (i = 0; i < GAS_DIALOG_MAX; i++)
gas_serv_dialog_clear(&sta->gas_dialog[i]);
os_free(sta->gas_dialog);
}
#endif /* CONFIG_INTERWORKING */
wpabuf_free(sta->wps_ie);
wpabuf_free(sta->p2p_ie);
os_free(sta->ht_capabilities);
os_free(sta->psk);
os_free(sta->identity);
os_free(sta->radius_cui);
os_free(sta);
}
void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
int set_beacon = 0;
accounting_sta_stop(hapd, sta);
if (sta->flags & WLAN_STA_WDS)
hapd->drv.set_wds_sta(hapd, sta->addr, sta->aid, 0);
if (!(sta->flags & WLAN_STA_PREAUTH))
hapd->drv.sta_remove(hapd, sta->addr);
ap_sta_hash_del(hapd, sta);
ap_sta_list_del(hapd, sta);
if (sta->aid > 0)
hapd->sta_aid[(sta->aid - 1) / 32] &=
~BIT((sta->aid - 1) % 32);
hapd->num_sta--;
if (sta->nonerp_set) {
sta->nonerp_set = 0;
hapd->iface->num_sta_non_erp--;
if (hapd->iface->num_sta_non_erp == 0)
set_beacon++;
}
if (sta->no_short_slot_time_set) {
sta->no_short_slot_time_set = 0;
hapd->iface->num_sta_no_short_slot_time--;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_slot_time == 0)
set_beacon++;
}
if (sta->no_short_preamble_set) {
sta->no_short_preamble_set = 0;
hapd->iface->num_sta_no_short_preamble--;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_preamble == 0)
set_beacon++;
}
if (sta->no_ht_gf_set) {
sta->no_ht_gf_set = 0;
hapd->iface->num_sta_ht_no_gf--;
}
if (sta->no_ht_set) {
sta->no_ht_set = 0;
hapd->iface->num_sta_no_ht--;
}
if (sta->ht_20mhz_set) {
sta->ht_20mhz_set = 0;
hapd->iface->num_sta_ht_20mhz--;
}
#ifdef CONFIG_P2P
if (sta->no_p2p_set) {
sta->no_p2p_set = 0;
hapd->num_sta_no_p2p--;
if (hapd->num_sta_no_p2p == 0)
hostapd_p2p_non_p2p_sta_disconnected(hapd);
}
#endif /* CONFIG_P2P */
#if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
if (hostapd_ht_operation_update(hapd->iface) > 0)
set_beacon++;
#endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
if (set_beacon)
ieee802_11_set_beacons(hapd->iface);
eloop_cancel_timeout(ap_handle_timer, hapd, sta);
eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
/*ieee802_1x_free_station(sta);*/
wpa_auth_sta_deinit(sta->wpa_sm);
rsn_preauth_free_station(hapd, sta);
#ifndef CONFIG_NO_RADIUS
radius_client_flush_auth(hapd->radius, sta->addr);
#endif /* CONFIG_NO_RADIUS */
os_free(sta->last_assoc_req);
os_free(sta->challenge);
#ifdef CONFIG_IEEE80211W
os_free(sta->sa_query_trans_id);
eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_P2P
p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
#endif /* CONFIG_P2P */
wpabuf_free(sta->wps_ie);
wpabuf_free(sta->p2p_ie);
os_free(sta->ht_capabilities);
os_free(sta);
}
static void ap_list_timer(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_iface *iface = eloop_ctx;
time_t now;
struct ap_info *ap;
int set_beacon = 0;
eloop_register_timeout(10, 0, ap_list_timer, iface, NULL);
if (!iface->ap_list)
return;
time(&now);
/* FIX: it looks like jkm-Purina ended up in busy loop in this
* function. Apparently, something can still cause a loop in the AP
* list.. */
while (iface->ap_list) {
ap = iface->ap_list->prev;
if (ap->last_beacon + iface->conf->ap_table_expiration_time >=
now)
break;
if (iface->conf->passive_scan_interval > 0)
ap_list_expired_ap(iface, ap);
ap_free_ap(iface, ap);
}
if (iface->olbc || iface->olbc_ht) {
int olbc = 0;
int olbc_ht = 0;
ap = iface->ap_list;
while (ap && (olbc == 0 || olbc_ht == 0)) {
if (ap_list_beacon_olbc(iface, ap))
olbc = 1;
#ifdef CONFIG_IEEE80211N
if (ap_list_beacon_olbc_ht(iface, ap))
olbc_ht = 1;
#endif /* CONFIG_IEEE80211N */
ap = ap->next;
}
if (!olbc && iface->olbc) {
wpa_printf(MSG_DEBUG, "OLBC not detected anymore");
iface->olbc = 0;
set_beacon++;
}
#ifdef CONFIG_IEEE80211N
if (!olbc_ht && iface->olbc_ht) {
wpa_printf(MSG_DEBUG, "OLBC HT not detected anymore");
iface->olbc_ht = 0;
hostapd_ht_operation_update(iface);
set_beacon++;
}
#endif /* CONFIG_IEEE80211N */
}
if (set_beacon)
ieee802_11_set_beacons(iface);
}
void ap_list_process_beacon(struct hostapd_iface *iface,
struct ieee80211_mgmt *mgmt,
struct ieee802_11_elems *elems,
struct hostapd_frame_info *fi)
{
struct ap_info *ap;
int new_ap = 0;
size_t len;
int set_beacon = 0;
if (iface->conf->ap_table_max_size < 1)
return;
ap = ap_get_ap(iface, mgmt->bssid);
if (!ap) {
ap = ap_ap_add(iface, mgmt->bssid);
if (!ap) {
printf("Failed to allocate AP information entry\n");
return;
}
new_ap = 1;
}
ap->beacon_int = le_to_host16(mgmt->u.beacon.beacon_int);
ap->capability = le_to_host16(mgmt->u.beacon.capab_info);
if (elems->ssid) {
len = elems->ssid_len;
if (len >= sizeof(ap->ssid))
len = sizeof(ap->ssid) - 1;
os_memcpy(ap->ssid, elems->ssid, len);
ap->ssid[len] = '\0';
ap->ssid_len = len;
}
os_memset(ap->supported_rates, 0, WLAN_SUPP_RATES_MAX);
len = 0;
if (elems->supp_rates) {
len = elems->supp_rates_len;
if (len > WLAN_SUPP_RATES_MAX)
len = WLAN_SUPP_RATES_MAX;
os_memcpy(ap->supported_rates, elems->supp_rates, len);
}
if (elems->ext_supp_rates) {
int len2;
if (len + elems->ext_supp_rates_len > WLAN_SUPP_RATES_MAX)
len2 = WLAN_SUPP_RATES_MAX - len;
else
len2 = elems->ext_supp_rates_len;
os_memcpy(ap->supported_rates + len, elems->ext_supp_rates,
len2);
}
ap->wpa = elems->wpa_ie != NULL;
if (elems->erp_info && elems->erp_info_len == 1)
ap->erp = elems->erp_info[0];
else
ap->erp = -1;
if (elems->ds_params && elems->ds_params_len == 1)
ap->channel = elems->ds_params[0];
else if (fi)
ap->channel = fi->channel;
if (elems->ht_capabilities)
ap->ht_support = 1;
else
ap->ht_support = 0;
ap->num_beacons++;
time(&ap->last_beacon);
if (fi) {
ap->phytype = fi->phytype;
ap->ssi_signal = fi->ssi_signal;
ap->datarate = fi->datarate;
}
if (new_ap) {
if (iface->conf->passive_scan_interval > 0)
ap_list_new_ap(iface, ap);
} else if (ap != iface->ap_list) {
/* move AP entry into the beginning of the list so that the
* oldest entry is always in the end of the list */
ap_ap_list_del(iface, ap);
ap_ap_list_add(iface, ap);
}
if (!iface->olbc &&
ap_list_beacon_olbc(iface, ap)) {
iface->olbc = 1;
wpa_printf(MSG_DEBUG, "OLBC AP detected: " MACSTR " - enable "
"protection", MAC2STR(ap->addr));
set_beacon++;
}
#ifdef CONFIG_IEEE80211N
if (!iface->olbc_ht && ap_list_beacon_olbc_ht(iface, ap)) {
iface->olbc_ht = 1;
hostapd_ht_operation_update(iface);
wpa_printf(MSG_DEBUG, "OLBC HT AP detected: " MACSTR
" - enable protection", MAC2STR(ap->addr));
set_beacon++;
}
#endif /* CONFIG_IEEE80211N */
if (set_beacon)
ieee802_11_set_beacons(iface);
}
void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
int set_beacon = 0;
accounting_sta_stop(hapd, sta);
/* just in case */
ap_sta_set_authorized(hapd, sta, 0);
if (sta->flags & WLAN_STA_WDS)
hostapd_set_wds_sta(hapd, NULL, sta->addr, sta->aid, 0);
if (sta->ipaddr)
hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
ap_sta_ip6addr_del(hapd, sta);
if (!hapd->iface->driver_ap_teardown &&
!(sta->flags & WLAN_STA_PREAUTH))
hostapd_drv_sta_remove(hapd, sta->addr);
#ifndef CONFIG_NO_VLAN
if (sta->vlan_id_bound) {
/*
* Need to remove the STA entry before potentially removing the
* VLAN.
*/
if (hapd->iface->driver_ap_teardown &&
!(sta->flags & WLAN_STA_PREAUTH))
hostapd_drv_sta_remove(hapd, sta->addr);
vlan_remove_dynamic(hapd, sta->vlan_id_bound);
}
#endif /* CONFIG_NO_VLAN */
ap_sta_hash_del(hapd, sta);
ap_sta_list_del(hapd, sta);
if (sta->aid > 0)
hapd->sta_aid[(sta->aid - 1) / 32] &=
~BIT((sta->aid - 1) % 32);
hapd->num_sta--;
if (sta->nonerp_set) {
sta->nonerp_set = 0;
hapd->iface->num_sta_non_erp--;
if (hapd->iface->num_sta_non_erp == 0)
set_beacon++;
}
if (sta->no_short_slot_time_set) {
sta->no_short_slot_time_set = 0;
hapd->iface->num_sta_no_short_slot_time--;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_slot_time == 0)
set_beacon++;
}
if (sta->no_short_preamble_set) {
sta->no_short_preamble_set = 0;
hapd->iface->num_sta_no_short_preamble--;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_preamble == 0)
set_beacon++;
}
if (sta->no_ht_gf_set) {
sta->no_ht_gf_set = 0;
hapd->iface->num_sta_ht_no_gf--;
}
if (sta->no_ht_set) {
sta->no_ht_set = 0;
hapd->iface->num_sta_no_ht--;
}
if (sta->ht_20mhz_set) {
sta->ht_20mhz_set = 0;
hapd->iface->num_sta_ht_20mhz--;
}
#ifdef CONFIG_IEEE80211N
ht40_intolerant_remove(hapd->iface, sta);
#endif /* CONFIG_IEEE80211N */
#ifdef CONFIG_P2P
if (sta->no_p2p_set) {
sta->no_p2p_set = 0;
hapd->num_sta_no_p2p--;
if (hapd->num_sta_no_p2p == 0)
hostapd_p2p_non_p2p_sta_disconnected(hapd);
}
#endif /* CONFIG_P2P */
#if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
if (hostapd_ht_operation_update(hapd->iface) > 0)
set_beacon++;
#endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
#ifdef CONFIG_MESH
if (hapd->mesh_sta_free_cb)
hapd->mesh_sta_free_cb(sta);
#endif /* CONFIG_MESH */
if (set_beacon)
ieee802_11_set_beacons(hapd->iface);
wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
__func__, MAC2STR(sta->addr));
eloop_cancel_timeout(ap_handle_timer, hapd, sta);
eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
sae_clear_retransmit_timer(hapd, sta);
ieee802_1x_free_station(sta);
wpa_auth_sta_deinit(sta->wpa_sm);
rsn_preauth_free_station(hapd, sta);
#ifndef CONFIG_NO_RADIUS
if (hapd->radius)
radius_client_flush_auth(hapd->radius, sta->addr);
#endif /* CONFIG_NO_RADIUS */
os_free(sta->challenge);
#ifdef CONFIG_IEEE80211W
os_free(sta->sa_query_trans_id);
eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_P2P
p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
#endif /* CONFIG_P2P */
#ifdef CONFIG_INTERWORKING
if (sta->gas_dialog) {
int i;
for (i = 0; i < GAS_DIALOG_MAX; i++)
gas_serv_dialog_clear(&sta->gas_dialog[i]);
os_free(sta->gas_dialog);
}
#endif /* CONFIG_INTERWORKING */
wpabuf_free(sta->wps_ie);
wpabuf_free(sta->p2p_ie);
wpabuf_free(sta->hs20_ie);
os_free(sta->ht_capabilities);
os_free(sta->vht_capabilities);
hostapd_free_psk_list(sta->psk);
os_free(sta->identity);
os_free(sta->radius_cui);
os_free(sta->remediation_url);
wpabuf_free(sta->hs20_deauth_req);
os_free(sta->hs20_session_info_url);
#ifdef CONFIG_SAE
sae_clear_data(sta->sae);
os_free(sta->sae);
#endif /* CONFIG_SAE */
os_free(sta);
}
void hostapd_2040_coex_action(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len)
{
struct hostapd_iface *iface = hapd->iface;
struct ieee80211_2040_bss_coex_ie *bc_ie;
struct ieee80211_2040_intol_chan_report *ic_report;
int is_ht40_allowed = 1;
int i;
const u8 *start = (const u8 *) mgmt;
const u8 *data = start + IEEE80211_HDRLEN + 2;
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG, "hostapd_public_action - action=%d",
mgmt->u.action.u.public_action.action);
if (!(iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
return;
if (len < IEEE80211_HDRLEN + 2 + sizeof(*bc_ie))
return;
bc_ie = (struct ieee80211_2040_bss_coex_ie *) data;
if (bc_ie->element_id != WLAN_EID_20_40_BSS_COEXISTENCE ||
bc_ie->length < 1) {
wpa_printf(MSG_DEBUG, "Unexpected IE (%u,%u) in coex report",
bc_ie->element_id, bc_ie->length);
return;
}
if (len < IEEE80211_HDRLEN + 2 + 2 + bc_ie->length)
return;
data += 2 + bc_ie->length;
wpa_printf(MSG_DEBUG, "20/40 BSS Coexistence Information field: 0x%x",
bc_ie->coex_param);
if (bc_ie->coex_param & WLAN_20_40_BSS_COEX_20MHZ_WIDTH_REQ) {
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"20 MHz BSS width request bit is set in BSS coexistence information field");
is_ht40_allowed = 0;
}
if (bc_ie->coex_param & WLAN_20_40_BSS_COEX_40MHZ_INTOL) {
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"40 MHz intolerant bit is set in BSS coexistence information field");
is_ht40_allowed = 0;
}
if (start + len - data >= 3 &&
data[0] == WLAN_EID_20_40_BSS_INTOLERANT && data[1] >= 1) {
u8 ielen = data[1];
if (ielen > start + len - data - 2)
return;
ic_report = (struct ieee80211_2040_intol_chan_report *) data;
wpa_printf(MSG_DEBUG,
"20/40 BSS Intolerant Channel Report: Operating Class %u",
ic_report->op_class);
/* Go through the channel report to find any BSS there in the
* affected channel range */
for (i = 0; i < ielen - 1; i++) {
u8 chan = ic_report->variable[i];
if (is_40_allowed(iface, chan))
continue;
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"20_40_INTOLERANT channel %d reported",
chan);
is_ht40_allowed = 0;
}
}
wpa_printf(MSG_DEBUG, "is_ht40_allowed=%d num_sta_ht40_intolerant=%d",
is_ht40_allowed, iface->num_sta_ht40_intolerant);
if (!is_ht40_allowed &&
(iface->drv_flags & WPA_DRIVER_FLAGS_HT_2040_COEX)) {
if (iface->conf->secondary_channel) {
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO,
"Switching to 20 MHz operation");
iface->conf->secondary_channel = 0;
ieee802_11_set_beacons(iface);
}
if (!iface->num_sta_ht40_intolerant &&
iface->conf->obss_interval) {
unsigned int delay_time;
delay_time = OVERLAPPING_BSS_TRANS_DELAY_FACTOR *
iface->conf->obss_interval;
eloop_cancel_timeout(ap_ht2040_timeout, hapd->iface,
NULL);
eloop_register_timeout(delay_time, 0, ap_ht2040_timeout,
hapd->iface, NULL);
wpa_printf(MSG_DEBUG,
"Reschedule HT 20/40 timeout to occur in %u seconds",
delay_time);
}
}
}
void hostapd_2040_coex_action(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len)
{
struct hostapd_iface *iface = hapd->iface;
struct ieee80211_2040_bss_coex_ie *bc_ie;
struct ieee80211_2040_intol_chan_report *ic_report;
int is_ht40_allowed = 1;
int i;
const u8 *start = (const u8 *) mgmt;
const u8 *data = start + IEEE80211_HDRLEN + 2;
struct sta_info *sta;
wpa_printf(MSG_DEBUG,
"HT: Received 20/40 BSS Coexistence Management frame from "
MACSTR, MAC2STR(mgmt->sa));
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG, "hostapd_public_action - action=%d",
mgmt->u.action.u.public_action.action);
if (!(iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
wpa_printf(MSG_DEBUG,
"Ignore 20/40 BSS Coexistence Management frame since 40 MHz capability is not enabled");
return;
}
if (len < IEEE80211_HDRLEN + 2 + sizeof(*bc_ie)) {
wpa_printf(MSG_DEBUG,
"Ignore too short 20/40 BSS Coexistence Management frame");
return;
}
/* 20/40 BSS Coexistence element */
bc_ie = (struct ieee80211_2040_bss_coex_ie *) data;
if (bc_ie->element_id != WLAN_EID_20_40_BSS_COEXISTENCE ||
bc_ie->length < 1) {
wpa_printf(MSG_DEBUG, "Unexpected IE (%u,%u) in coex report",
bc_ie->element_id, bc_ie->length);
return;
}
if (len < IEEE80211_HDRLEN + 2 + 2 + bc_ie->length) {
wpa_printf(MSG_DEBUG,
"Truncated 20/40 BSS Coexistence element");
return;
}
data += 2 + bc_ie->length;
wpa_printf(MSG_DEBUG,
"20/40 BSS Coexistence Information field: 0x%x (%s%s%s%s%s%s)",
bc_ie->coex_param,
(bc_ie->coex_param & BIT(0)) ? "[InfoReq]" : "",
(bc_ie->coex_param & BIT(1)) ? "[40MHzIntolerant]" : "",
(bc_ie->coex_param & BIT(2)) ? "[20MHzBSSWidthReq]" : "",
(bc_ie->coex_param & BIT(3)) ? "[OBSSScanExemptionReq]" : "",
(bc_ie->coex_param & BIT(4)) ?
"[OBSSScanExemptionGrant]" : "",
(bc_ie->coex_param & (BIT(5) | BIT(6) | BIT(7))) ?
"[Reserved]" : "");
if (bc_ie->coex_param & WLAN_20_40_BSS_COEX_20MHZ_WIDTH_REQ) {
/* Intra-BSS communication prohibiting 20/40 MHz BSS operation
*/
sta = ap_get_sta(hapd, mgmt->sa);
if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
wpa_printf(MSG_DEBUG,
"Ignore intra-BSS 20/40 BSS Coexistence Management frame from not-associated STA");
return;
}
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"20 MHz BSS width request bit is set in BSS coexistence information field");
is_ht40_allowed = 0;
}
if (bc_ie->coex_param & WLAN_20_40_BSS_COEX_40MHZ_INTOL) {
/* Inter-BSS communication prohibiting 20/40 MHz BSS operation
*/
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"40 MHz intolerant bit is set in BSS coexistence information field");
is_ht40_allowed = 0;
}
/* 20/40 BSS Intolerant Channel Report element (zero or more times) */
while (start + len - data >= 3 &&
data[0] == WLAN_EID_20_40_BSS_INTOLERANT && data[1] >= 1) {
u8 ielen = data[1];
if (ielen > start + len - data - 2) {
wpa_printf(MSG_DEBUG,
"Truncated 20/40 BSS Intolerant Channel Report element");
return;
}
ic_report = (struct ieee80211_2040_intol_chan_report *) data;
wpa_printf(MSG_DEBUG,
"20/40 BSS Intolerant Channel Report: Operating Class %u",
ic_report->op_class);
/* Go through the channel report to find any BSS there in the
* affected channel range */
for (i = 0; i < ielen - 1; i++) {
u8 chan = ic_report->variable[i];
if (chan == iface->conf->channel)
continue; /* matching own primary channel */
if (is_40_allowed(iface, chan))
continue; /* not within affected channels */
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"20_40_INTOLERANT channel %d reported",
chan);
is_ht40_allowed = 0;
}
data += 2 + ielen;
}
wpa_printf(MSG_DEBUG, "is_ht40_allowed=%d num_sta_ht40_intolerant=%d",
is_ht40_allowed, iface->num_sta_ht40_intolerant);
if (!is_ht40_allowed &&
(iface->drv_flags & WPA_DRIVER_FLAGS_HT_2040_COEX)) {
if (iface->conf->secondary_channel) {
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO,
"Switching to 20 MHz operation");
iface->conf->secondary_channel = 0;
ieee802_11_set_beacons(iface);
}
if (!iface->num_sta_ht40_intolerant &&
iface->conf->obss_interval) {
unsigned int delay_time;
delay_time = OVERLAPPING_BSS_TRANS_DELAY_FACTOR *
iface->conf->obss_interval;
eloop_cancel_timeout(ap_ht2040_timeout, hapd->iface,
NULL);
eloop_register_timeout(delay_time, 0, ap_ht2040_timeout,
hapd->iface, NULL);
wpa_printf(MSG_DEBUG,
"Reschedule HT 20/40 timeout to occur in %u seconds",
delay_time);
}
}
}
static void handle_assoc(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len,
int reassoc)
{
u16 capab_info, listen_interval;
u16 resp = WLAN_STATUS_SUCCESS;
const u8 *pos;
int left, i;
struct sta_info *sta;
if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_req) :
sizeof(mgmt->u.assoc_req))) {
printf("handle_assoc(reassoc=%d) - too short payload (len=%lu)"
"\n", reassoc, (unsigned long) len);
return;
}
if (reassoc) {
capab_info = le_to_host16(mgmt->u.reassoc_req.capab_info);
listen_interval = le_to_host16(
mgmt->u.reassoc_req.listen_interval);
wpa_printf(MSG_DEBUG, "reassociation request: STA=" MACSTR
" capab_info=0x%02x listen_interval=%d current_ap="
MACSTR,
MAC2STR(mgmt->sa), capab_info, listen_interval,
MAC2STR(mgmt->u.reassoc_req.current_ap));
left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
pos = mgmt->u.reassoc_req.variable;
} else {
capab_info = le_to_host16(mgmt->u.assoc_req.capab_info);
listen_interval = le_to_host16(
mgmt->u.assoc_req.listen_interval);
wpa_printf(MSG_DEBUG, "association request: STA=" MACSTR
" capab_info=0x%02x listen_interval=%d",
MAC2STR(mgmt->sa), capab_info, listen_interval);
left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
pos = mgmt->u.assoc_req.variable;
}
sta = ap_get_sta(hapd, mgmt->sa);
#ifdef CONFIG_IEEE80211R
if (sta && sta->auth_alg == WLAN_AUTH_FT &&
(sta->flags & WLAN_STA_AUTH) == 0) {
wpa_printf(MSG_DEBUG, "FT: Allow STA " MACSTR " to associate "
"prior to authentication since it is using "
"over-the-DS FT", MAC2STR(mgmt->sa));
} else
#endif /* CONFIG_IEEE80211R */
if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) {
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "Station tried to "
"associate before authentication "
"(aid=%d flags=0x%x)",
sta ? sta->aid : -1,
sta ? sta->flags : 0);
send_deauth(hapd, mgmt->sa,
WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA);
return;
}
if (hapd->tkip_countermeasures) {
resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
goto fail;
}
if (listen_interval > hapd->conf->max_listen_interval) {
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"Too large Listen Interval (%d)",
listen_interval);
resp = WLAN_STATUS_ASSOC_DENIED_LISTEN_INT_TOO_LARGE;
goto fail;
}
/* followed by SSID and Supported rates; and HT capabilities if 802.11n
* is used */
resp = check_assoc_ies(hapd, sta, pos, left, reassoc);
if (resp != WLAN_STATUS_SUCCESS)
goto fail;
if (hostapd_get_aid(hapd, sta) < 0) {
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "No room for more AIDs");
resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
goto fail;
}
sta->capability = capab_info;
sta->listen_interval = listen_interval;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
sta->flags |= WLAN_STA_NONERP;
for (i = 0; i < sta->supported_rates_len; i++) {
if ((sta->supported_rates[i] & 0x7f) > 22) {
sta->flags &= ~WLAN_STA_NONERP;
break;
}
}
if (sta->flags & WLAN_STA_NONERP && !sta->nonerp_set) {
sta->nonerp_set = 1;
hapd->iface->num_sta_non_erp++;
if (hapd->iface->num_sta_non_erp == 1)
ieee802_11_set_beacons(hapd->iface);
}
if (!(sta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
!sta->no_short_slot_time_set) {
sta->no_short_slot_time_set = 1;
hapd->iface->num_sta_no_short_slot_time++;
if (hapd->iface->current_mode->mode ==
HOSTAPD_MODE_IEEE80211G &&
hapd->iface->num_sta_no_short_slot_time == 1)
ieee802_11_set_beacons(hapd->iface);
}
if (sta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
sta->flags |= WLAN_STA_SHORT_PREAMBLE;
else
sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
if (!(sta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
!sta->no_short_preamble_set) {
sta->no_short_preamble_set = 1;
hapd->iface->num_sta_no_short_preamble++;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
&& hapd->iface->num_sta_no_short_preamble == 1)
ieee802_11_set_beacons(hapd->iface);
}
#ifdef CONFIG_IEEE80211N
update_ht_state(hapd, sta);
#endif /* CONFIG_IEEE80211N */
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"association OK (aid %d)", sta->aid);
/* Station will be marked associated, after it acknowledges AssocResp
*/
#ifdef CONFIG_IEEE80211W
if ((sta->flags & WLAN_STA_MFP) && sta->sa_query_timed_out) {
wpa_printf(MSG_DEBUG, "Allowing %sassociation after timed out "
"SA Query procedure", reassoc ? "re" : "");
/* TODO: Send a protected Disassociate frame to the STA using
* the old key and Reason Code "Previous Authentication no
* longer valid". Make sure this is only sent protected since
* unprotected frame would be received by the STA that is now
* trying to associate.
*/
}
#endif /* CONFIG_IEEE80211W */
if (reassoc) {
os_memcpy(sta->previous_ap, mgmt->u.reassoc_req.current_ap,
ETH_ALEN);
}
if (sta->last_assoc_req)
os_free(sta->last_assoc_req);
sta->last_assoc_req = os_malloc(len);
if (sta->last_assoc_req)
os_memcpy(sta->last_assoc_req, mgmt, len);
/* Make sure that the previously registered inactivity timer will not
* remove the STA immediately. */
sta->timeout_next = STA_NULLFUNC;
fail:
send_assoc_resp(hapd, sta, resp, reassoc, pos, left);
}
