Passive Client Taxonomy
[mech_eap.git] / src / ap / beacon.c
index 72b2227..38182ae 100644 (file)
@@ -29,6 +29,7 @@
 #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;
 }
 
 
@@ -297,6 +301,11 @@ static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len)
 
 static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid)
 {
+#ifdef CONFIG_TESTING_OPTIONS
+       if (hapd->iface->cs_oper_class && hapd->iconf->ecsa_ie_only)
+               return eid;
+#endif /* CONFIG_TESTING_OPTIONS */
+
        if (!hapd->cs_freq_params.channel)
                return eid;
 
@@ -382,6 +391,9 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
                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;
@@ -474,8 +486,9 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
 
 #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)
@@ -512,6 +525,8 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
        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));
@@ -548,8 +563,8 @@ static enum ssid_match_result ssid_match(struct hostapd_data *hapd,
 
        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;
@@ -618,6 +633,8 @@ void sta_track_add(struct hostapd_iface *iface, const u8 *addr)
 
        /* 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);
 
@@ -670,13 +687,16 @@ void handle_probe_req(struct hostapd_data *hapd,
        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 = ((const u8 *) mgmt) + IEEE80211_HDRLEN;
        if (hapd->iconf->track_sta_max_num)
                sta_track_add(hapd->iface, mgmt->sa);
-       ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
+       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,
@@ -722,7 +742,7 @@ void handle_probe_req(struct hostapd_data *hapd,
        }
 
 #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)) {
@@ -735,7 +755,7 @@ void handle_probe_req(struct hostapd_data *hapd,
                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)) {
@@ -765,6 +785,14 @@ void handle_probe_req(struct hostapd_data *hapd,
        }
 #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) {
@@ -836,6 +864,17 @@ void handle_probe_req(struct hostapd_data *hapd,
                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) {
@@ -858,7 +897,22 @@ void handle_probe_req(struct hostapd_data *hapd,
        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);
@@ -945,6 +999,8 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
        }
 #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");
@@ -1060,8 +1116,9 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
 
 #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)
@@ -1097,6 +1154,8 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
        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));
@@ -1181,6 +1240,7 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
                params->osen = 1;
        }
 #endif /* CONFIG_HS20 */
+       params->pbss = hapd->conf->pbss;
        return 0;
 }