Ejemplo n.º 1
0
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;
}
Ejemplo n.º 2
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);
}
Ejemplo n.º 3
0
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);
}
Ejemplo n.º 4
0
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);
}
Ejemplo n.º 5
0
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);
}
Ejemplo n.º 6
0
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);
		}
	}
}
Ejemplo n.º 7
0
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);
	}
}
Ejemplo n.º 8
0
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");
		}
	}
}
Ejemplo n.º 9
0
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);
}
Ejemplo n.º 10
0
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);
}
Ejemplo n.º 11
0
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);
}
Ejemplo n.º 12
0
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);
}
Ejemplo n.º 13
0
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);
}
Ejemplo n.º 14
0
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);
		}
	}
}
Ejemplo n.º 15
0
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);
		}
	}
}
Ejemplo n.º 16
0
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);
}