static void ap_list_timer(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_iface *iface = eloop_ctx;
struct os_reltime 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_reltime(&now);
while (iface->ap_list) {
ap = iface->ap_list->prev;
if (!os_reltime_expired(&now, &ap->last_beacon, iface->conf->ap_table_expiration_time)) {
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_update_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);
}
void ap_list_process_beacon(struct hostapd_iface *iface,
const struct ieee80211_mgmt *mgmt,
struct ieee802_11_elems *elems,
struct hostapd_frame_info *fi)
{
struct ap_info *ap;
struct os_time now;
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;
if(len >= sizeof(ap->supported_rates) ) {
} else {
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++;
os_get_time(&now);
ap->last_beacon = now.sec;
if (fi)
ap->datarate = fi->datarate;
if (!new_ap && 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->ht_support) {
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_update_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, 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_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 ap_list_process_beacon(struct hostapd_iface *iface,
const struct ieee80211_mgmt *mgmt,
struct ieee802_11_elems *elems,
struct hostapd_frame_info *fi)
{
struct ap_info *ap;
int new_ap = 0;
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) {
wpa_printf(MSG_INFO,
"Failed to allocate AP information entry");
return;
}
new_ap = 1;
}
merge_byte_arrays(ap->supported_rates, WLAN_SUPP_RATES_MAX,
elems->supp_rates, elems->supp_rates_len,
elems->ext_supp_rates, elems->ext_supp_rates_len);
if (elems->erp_info)
ap->erp = elems->erp_info[0];
else
ap->erp = -1;
if (elems->ds_params)
ap->channel = elems->ds_params[0];
else if (elems->ht_operation)
ap->channel = elems->ht_operation[0];
else if (fi)
ap->channel = fi->channel;
if (elems->ht_capabilities)
ap->ht_support = 1;
else
ap->ht_support = 0;
os_get_reltime(&ap->last_beacon);
if (!new_ap && 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
" (channel %d) - enable protection",
MAC2STR(ap->addr), ap->channel);
set_beacon++;
}
#ifdef CONFIG_IEEE80211N
if (!iface->olbc_ht && !ap->ht_support &&
(ap->channel == 0 ||
ap->channel == iface->conf->channel ||
ap->channel == iface->conf->channel +
iface->conf->secondary_channel * 4)) {
iface->olbc_ht = 1;
hostapd_ht_operation_update(iface);
wpa_printf(MSG_DEBUG, "OLBC HT AP detected: " MACSTR
" (channel %d) - enable protection",
MAC2STR(ap->addr), ap->channel);
set_beacon++;
}
#endif /* CONFIG_IEEE80211N */
if (set_beacon)
ieee802_11_update_beacons(iface);
}