#include "beacon.h"
#include "hs20.h"
#include "dfs.h"
+#include "taxonomy.h"
#ifdef NEED_AP_MLME
static u8 * hostapd_eid_rm_enabled_capab(struct hostapd_data *hapd, u8 *eid,
size_t len)
{
- if (!hapd->conf->radio_measurements || len < 2 + 4)
+ size_t i;
+
+ for (i = 0; i < RRM_CAPABILITIES_IE_LEN; i++) {
+ if (hapd->conf->radio_measurements[i])
+ break;
+ }
+
+ if (i == RRM_CAPABILITIES_IE_LEN || len < 2 + RRM_CAPABILITIES_IE_LEN)
return eid;
*eid++ = WLAN_EID_RRM_ENABLED_CAPABILITIES;
- *eid++ = 5;
- *eid++ = (hapd->conf->radio_measurements & BIT(0)) ?
- WLAN_RRM_CAPS_NEIGHBOR_REPORT : 0x00;
- *eid++ = 0x00;
- *eid++ = 0x00;
- *eid++ = 0x00;
- *eid++ = 0x00;
- return eid;
+ *eid++ = RRM_CAPABILITIES_IE_LEN;
+ os_memcpy(eid, hapd->conf->radio_measurements, RRM_CAPABILITIES_IE_LEN);
+
+ return eid + RRM_CAPABILITIES_IE_LEN;
}
static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid)
{
- u8 chan;
-
- if (!hapd->cs_freq_params.freq)
+#ifdef CONFIG_TESTING_OPTIONS
+ if (hapd->iface->cs_oper_class && hapd->iconf->ecsa_ie_only)
return eid;
+#endif /* CONFIG_TESTING_OPTIONS */
- if (ieee80211_freq_to_chan(hapd->cs_freq_params.freq, &chan) ==
- NUM_HOSTAPD_MODES)
+ if (!hapd->cs_freq_params.channel)
return eid;
*eid++ = WLAN_EID_CHANNEL_SWITCH;
*eid++ = 3;
*eid++ = hapd->cs_block_tx;
- *eid++ = chan;
+ *eid++ = hapd->cs_freq_params.channel;
*eid++ = hapd->cs_count;
return eid;
}
-static u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid)
+static u8 * hostapd_eid_ecsa(struct hostapd_data *hapd, u8 *eid)
{
- u8 sec_ch;
-
- if (!hapd->cs_freq_params.sec_channel_offset)
- return eid;
-
- if (hapd->cs_freq_params.sec_channel_offset == -1)
- sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW;
- else if (hapd->cs_freq_params.sec_channel_offset == 1)
- sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE;
- else
+ if (!hapd->cs_freq_params.channel || !hapd->iface->cs_oper_class)
return eid;
- *eid++ = WLAN_EID_SECONDARY_CHANNEL_OFFSET;
- *eid++ = 1;
- *eid++ = sec_ch;
+ *eid++ = WLAN_EID_EXT_CHANSWITCH_ANN;
+ *eid++ = 4;
+ *eid++ = hapd->cs_block_tx;
+ *eid++ = hapd->iface->cs_oper_class;
+ *eid++ = hapd->cs_freq_params.channel;
+ *eid++ = hapd->cs_count;
return eid;
}
-static u8 * hostapd_add_csa_elems(struct hostapd_data *hapd, u8 *pos,
- u8 *start, unsigned int *csa_counter_off)
+static u8 * hostapd_eid_supported_op_classes(struct hostapd_data *hapd, u8 *eid)
{
- u8 *old_pos = pos;
+ u8 op_class, channel;
- if (!csa_counter_off)
- return pos;
+ if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_CSA) ||
+ !hapd->iface->freq)
+ return eid;
+
+ if (ieee80211_freq_to_channel_ext(hapd->iface->freq,
+ hapd->iconf->secondary_channel,
+ hapd->iconf->vht_oper_chwidth,
+ &op_class, &channel) ==
+ NUM_HOSTAPD_MODES)
+ return eid;
- *csa_counter_off = 0;
- pos = hostapd_eid_csa(hapd, pos);
+ *eid++ = WLAN_EID_SUPPORTED_OPERATING_CLASSES;
+ *eid++ = 2;
- if (pos != old_pos) {
- /* save an offset to the counter - should be last byte */
- *csa_counter_off = pos - start - 1;
- pos = hostapd_eid_secondary_channel(hapd, pos);
- }
+ /* Current Operating Class */
+ *eid++ = op_class;
- return pos;
+ /* TODO: Advertise all the supported operating classes */
+ *eid++ = 0;
+
+ return eid;
}
int is_p2p, size_t *resp_len)
{
struct ieee80211_mgmt *resp;
- u8 *pos, *epos;
+ u8 *pos, *epos, *csa_pos;
size_t buflen;
#define MAX_PROBERESP_LEN 768
buflen += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
2 + sizeof(struct ieee80211_vht_operation);
}
+
+ buflen += hostapd_mbo_ie_len(hapd);
+
resp = os_zalloc(buflen);
if (resp == NULL)
return NULL;
/* Power Constraint element */
pos = hostapd_eid_pwr_constraint(hapd, pos);
+ /* CSA IE */
+ csa_pos = hostapd_eid_csa(hapd, pos);
+ if (csa_pos != pos)
+ hapd->cs_c_off_proberesp = csa_pos - (u8 *) resp - 1;
+ pos = csa_pos;
+
/* ERP Information element */
pos = hostapd_eid_erp_info(hapd, pos);
pos = hostapd_eid_rm_enabled_capab(hapd, pos, epos - pos);
+ /* eCSA IE */
+ csa_pos = hostapd_eid_ecsa(hapd, pos);
+ if (csa_pos != pos)
+ hapd->cs_c_off_ecsa_proberesp = csa_pos - (u8 *) resp - 1;
+ pos = csa_pos;
+
+ pos = hostapd_eid_supported_op_classes(hapd, pos);
+
#ifdef CONFIG_IEEE80211N
+ /* Secondary Channel Offset element */
+ /* TODO: The standard doesn't specify a position for this element. */
+ pos = hostapd_eid_secondary_channel(hapd, pos);
+
pos = hostapd_eid_ht_capabilities(hapd, pos);
pos = hostapd_eid_ht_operation(hapd, pos);
#endif /* CONFIG_IEEE80211N */
pos = hostapd_eid_adv_proto(hapd, pos);
pos = hostapd_eid_roaming_consortium(hapd, pos);
- pos = hostapd_add_csa_elems(hapd, pos, (u8 *)resp,
- &hapd->cs_c_off_proberesp);
-
#ifdef CONFIG_FST
if (hapd->iface->fst_ies) {
os_memcpy(pos, wpabuf_head(hapd->iface->fst_ies),
#ifdef CONFIG_IEEE80211AC
if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
- pos = hostapd_eid_vht_capabilities(hapd, pos);
+ pos = hostapd_eid_vht_capabilities(hapd, pos, 0);
pos = hostapd_eid_vht_operation(hapd, pos);
+ pos = hostapd_eid_txpower_envelope(hapd, pos);
+ pos = hostapd_eid_wb_chsw_wrapper(hapd, pos);
}
if (hapd->conf->vendor_vht)
pos = hostapd_eid_vendor_vht(hapd, pos);
pos = hostapd_eid_osen(hapd, pos);
#endif /* CONFIG_HS20 */
+ pos = hostapd_eid_mbo(hapd, pos, (u8 *) resp + buflen - pos);
+
if (hapd->conf->vendor_elements) {
os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
wpabuf_len(hapd->conf->vendor_elements));
pos = ssid_list;
end = ssid_list + ssid_list_len;
- while (pos + 1 <= end) {
- if (pos + 2 + pos[1] > end)
+ while (end - pos >= 1) {
+ if (2 + pos[1] > end - pos)
break;
if (pos[1] == 0)
wildcard = 1;
}
+void sta_track_expire(struct hostapd_iface *iface, int force)
+{
+ struct os_reltime now;
+ struct hostapd_sta_info *info;
+
+ if (!iface->num_sta_seen)
+ return;
+
+ os_get_reltime(&now);
+ while ((info = dl_list_first(&iface->sta_seen, struct hostapd_sta_info,
+ list))) {
+ if (!force &&
+ !os_reltime_expired(&now, &info->last_seen,
+ iface->conf->track_sta_max_age))
+ break;
+ force = 0;
+
+ wpa_printf(MSG_MSGDUMP, "%s: Expire STA tracking entry for "
+ MACSTR, iface->bss[0]->conf->iface,
+ MAC2STR(info->addr));
+ dl_list_del(&info->list);
+ iface->num_sta_seen--;
+ os_free(info);
+ }
+}
+
+
+static struct hostapd_sta_info * sta_track_get(struct hostapd_iface *iface,
+ const u8 *addr)
+{
+ struct hostapd_sta_info *info;
+
+ dl_list_for_each(info, &iface->sta_seen, struct hostapd_sta_info, list)
+ if (os_memcmp(addr, info->addr, ETH_ALEN) == 0)
+ return info;
+
+ return NULL;
+}
+
+
+void sta_track_add(struct hostapd_iface *iface, const u8 *addr)
+{
+ struct hostapd_sta_info *info;
+
+ info = sta_track_get(iface, addr);
+ if (info) {
+ /* Move the most recent entry to the end of the list */
+ dl_list_del(&info->list);
+ dl_list_add_tail(&iface->sta_seen, &info->list);
+ os_get_reltime(&info->last_seen);
+ return;
+ }
+
+ /* Add a new entry */
+ info = os_zalloc(sizeof(*info));
+ if (info == NULL)
+ return;
+ os_memcpy(info->addr, addr, ETH_ALEN);
+ os_get_reltime(&info->last_seen);
+
+ if (iface->num_sta_seen >= iface->conf->track_sta_max_num) {
+ /* Expire oldest entry to make room for a new one */
+ sta_track_expire(iface, 1);
+ }
+
+ wpa_printf(MSG_MSGDUMP, "%s: Add STA tracking entry for "
+ MACSTR, iface->bss[0]->conf->iface, MAC2STR(addr));
+ dl_list_add_tail(&iface->sta_seen, &info->list);
+ iface->num_sta_seen++;
+}
+
+
+struct hostapd_data *
+sta_track_seen_on(struct hostapd_iface *iface, const u8 *addr,
+ const char *ifname)
+{
+ struct hapd_interfaces *interfaces = iface->interfaces;
+ size_t i, j;
+
+ for (i = 0; i < interfaces->count; i++) {
+ struct hostapd_data *hapd = NULL;
+
+ iface = interfaces->iface[i];
+ for (j = 0; j < iface->num_bss; j++) {
+ hapd = iface->bss[j];
+ if (os_strcmp(ifname, hapd->conf->iface) == 0)
+ break;
+ hapd = NULL;
+ }
+
+ if (hapd && sta_track_get(iface, addr))
+ return hapd;
+ }
+
+ return NULL;
+}
+
+
void handle_probe_req(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len,
int ssi_signal)
size_t i, resp_len;
int noack;
enum ssid_match_result res;
+ int ret;
+ u16 csa_offs[2];
+ size_t csa_offs_len;
- ie = mgmt->u.probe_req.variable;
- if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
+ if (len < IEEE80211_HDRLEN)
return;
- ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
+ ie = ((const u8 *) mgmt) + IEEE80211_HDRLEN;
+ if (hapd->iconf->track_sta_max_num)
+ sta_track_add(hapd->iface, mgmt->sa);
+ ie_len = len - IEEE80211_HDRLEN;
for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
}
#ifdef CONFIG_P2P
- if (hapd->p2p && elems.wps_ie) {
+ if (hapd->p2p && hapd->p2p_group && elems.wps_ie) {
struct wpabuf *wps;
wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) {
wpabuf_free(wps);
}
- if (hapd->p2p && elems.p2p) {
+ if (hapd->p2p && hapd->p2p_group && elems.p2p) {
struct wpabuf *p2p;
p2p = ieee802_11_vendor_ie_concat(ie, ie_len, P2P_IE_VENDOR_TYPE);
if (p2p && !p2p_group_match_dev_id(hapd->p2p_group, p2p)) {
}
#endif /* CONFIG_P2P */
+#ifdef CONFIG_TAXONOMY
+ {
+ struct sta_info *sta = ap_get_sta(hapd, mgmt->sa);
+ if (sta)
+ taxonomy_sta_info_probe_req(hapd, sta, ie, ie_len);
+ }
+#endif /* CONFIG_TAXONOMY */
+
res = ssid_match(hapd, elems.ssid, elems.ssid_len,
elems.ssid_list, elems.ssid_list_len);
if (res == NO_SSID_MATCH) {
/* TODO: verify that supp_rates contains at least one matching rate
* with AP configuration */
+ if (hapd->conf->no_probe_resp_if_seen_on &&
+ is_multicast_ether_addr(mgmt->da) &&
+ is_multicast_ether_addr(mgmt->bssid) &&
+ sta_track_seen_on(hapd->iface, mgmt->sa,
+ hapd->conf->no_probe_resp_if_seen_on)) {
+ wpa_printf(MSG_MSGDUMP, "%s: Ignore Probe Request from " MACSTR
+ " since STA has been seen on %s",
+ hapd->conf->iface, MAC2STR(mgmt->sa),
+ hapd->conf->no_probe_resp_if_seen_on);
+ return;
+ }
+
+ if (hapd->conf->no_probe_resp_if_max_sta &&
+ is_multicast_ether_addr(mgmt->da) &&
+ is_multicast_ether_addr(mgmt->bssid) &&
+ hapd->num_sta >= hapd->conf->max_num_sta &&
+ !ap_get_sta(hapd, mgmt->sa)) {
+ wpa_printf(MSG_MSGDUMP, "%s: Ignore Probe Request from " MACSTR
+ " since no room for additional STA",
+ hapd->conf->iface, MAC2STR(mgmt->sa));
+ return;
+ }
+
#ifdef CONFIG_TESTING_OPTIONS
if (hapd->iconf->ignore_probe_probability > 0.0 &&
drand48() < hapd->iconf->ignore_probe_probability) {
noack = !!(res == WILDCARD_SSID_MATCH &&
is_broadcast_ether_addr(mgmt->da));
- if (hostapd_drv_send_mlme(hapd, resp, resp_len, noack) < 0)
+ csa_offs_len = 0;
+ if (hapd->csa_in_progress) {
+ if (hapd->cs_c_off_proberesp)
+ csa_offs[csa_offs_len++] =
+ hapd->cs_c_off_proberesp;
+
+ if (hapd->cs_c_off_ecsa_proberesp)
+ csa_offs[csa_offs_len++] =
+ hapd->cs_c_off_ecsa_proberesp;
+ }
+
+ ret = hostapd_drv_send_mlme_csa(hapd, resp, resp_len, noack,
+ csa_offs_len ? csa_offs : NULL,
+ csa_offs_len);
+
+ if (ret < 0)
wpa_printf(MSG_INFO, "handle_probe_req: send failed");
os_free(resp);
size_t resp_len = 0;
#ifdef NEED_AP_MLME
u16 capab_info;
- u8 *pos, *tailpos;
+ u8 *pos, *tailpos, *csa_pos;
#define BEACON_HEAD_BUF_SIZE 256
#define BEACON_TAIL_BUF_SIZE 512
}
#endif /* CONFIG_IEEE80211AC */
+ tail_len += hostapd_mbo_ie_len(hapd);
+
tailpos = tail = os_malloc(tail_len);
if (head == NULL || tail == NULL) {
wpa_printf(MSG_ERROR, "Failed to set beacon data");
/* Power Constraint element */
tailpos = hostapd_eid_pwr_constraint(hapd, tailpos);
+ /* CSA IE */
+ csa_pos = hostapd_eid_csa(hapd, tailpos);
+ if (csa_pos != tailpos)
+ hapd->cs_c_off_beacon = csa_pos - tail - 1;
+ tailpos = csa_pos;
+
/* ERP Information element */
tailpos = hostapd_eid_erp_info(hapd, tailpos);
tailpos = hostapd_eid_bss_load(hapd, tailpos,
tail + BEACON_TAIL_BUF_SIZE - tailpos);
+ /* eCSA IE */
+ csa_pos = hostapd_eid_ecsa(hapd, tailpos);
+ if (csa_pos != tailpos)
+ hapd->cs_c_off_ecsa_beacon = csa_pos - tail - 1;
+ tailpos = csa_pos;
+
+ tailpos = hostapd_eid_supported_op_classes(hapd, tailpos);
+
#ifdef CONFIG_IEEE80211N
+ /* Secondary Channel Offset element */
+ /* TODO: The standard doesn't specify a position for this element. */
+ tailpos = hostapd_eid_secondary_channel(hapd, tailpos);
+
tailpos = hostapd_eid_ht_capabilities(hapd, tailpos);
tailpos = hostapd_eid_ht_operation(hapd, tailpos);
#endif /* CONFIG_IEEE80211N */
tailpos = hostapd_eid_interworking(hapd, tailpos);
tailpos = hostapd_eid_adv_proto(hapd, tailpos);
tailpos = hostapd_eid_roaming_consortium(hapd, tailpos);
- tailpos = hostapd_add_csa_elems(hapd, tailpos, tail,
- &hapd->cs_c_off_beacon);
#ifdef CONFIG_FST
if (hapd->iface->fst_ies) {
#ifdef CONFIG_IEEE80211AC
if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
- tailpos = hostapd_eid_vht_capabilities(hapd, tailpos);
+ tailpos = hostapd_eid_vht_capabilities(hapd, tailpos, 0);
tailpos = hostapd_eid_vht_operation(hapd, tailpos);
+ tailpos = hostapd_eid_txpower_envelope(hapd, tailpos);
+ tailpos = hostapd_eid_wb_chsw_wrapper(hapd, tailpos);
}
if (hapd->conf->vendor_vht)
tailpos = hostapd_eid_vendor_vht(hapd, tailpos);
tailpos = hostapd_eid_osen(hapd, tailpos);
#endif /* CONFIG_HS20 */
+ tailpos = hostapd_eid_mbo(hapd, tailpos, tail + tail_len - tailpos);
+
if (hapd->conf->vendor_elements) {
os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements),
wpabuf_len(hapd->conf->vendor_elements));
params->osen = 1;
}
#endif /* CONFIG_HS20 */
+ params->pbss = hapd->conf->pbss;
return 0;
}
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