/src/hostap/wpa_supplicant/events.c

Source
/*
 * WPA Supplicant - Driver event processing
 * Copyright (c) 2003-2019, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include "includes.h"

#include "common.h"
#include "utils/crc32.h"
#include "eapol_supp/eapol_supp_sm.h"
#include "rsn_supp/wpa.h"
#include "eloop.h"
#include "config.h"
#include "l2_packet/l2_packet.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
#include "pcsc_funcs.h"
#include "rsn_supp/preauth.h"
#include "rsn_supp/pmksa_cache.h"
#include "common/wpa_ctrl.h"
#include "eap_peer/eap.h"
#include "ap/hostapd.h"
#include "ap/sta_info.h"
#include "p2p/p2p.h"
#include "fst/fst.h"
#include "wnm_sta.h"
#include "notify.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "common/gas_server.h"
#include "common/dpp.h"
#include "common/ptksa_cache.h"
#include "crypto/random.h"
#include "bssid_ignore.h"
#include "wpas_glue.h"
#include "wps_supplicant.h"
#include "ibss_rsn.h"
#include "sme.h"
#include "gas_query.h"
#include "p2p_supplicant.h"
#include "bgscan.h"
#include "autoscan.h"
#include "ap.h"
#include "bss.h"
#include "scan.h"
#include "offchannel.h"
#include "interworking.h"
#include "mesh.h"
#include "mesh_mpm.h"
#include "wmm_ac.h"
#include "nan_usd.h"
#include "dpp_supplicant.h"
#include "pr_supplicant.h"


#define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5


#ifndef CONFIG_NO_SCAN_PROCESSING
static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
                int new_scan, int own_request,
                bool trigger_6ghz_scan,
                union wpa_event_data *data);
#endif /* CONFIG_NO_SCAN_PROCESSING */


int wpas_temp_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
{
  struct os_reltime now;

  if (ssid == NULL || ssid->disabled_until.sec == 0)
    return 0;

  os_get_reltime(&now);
  if (ssid->disabled_until.sec > now.sec)
    return ssid->disabled_until.sec - now.sec;

  wpas_clear_temp_disabled(wpa_s, ssid, 0);

  return 0;
}


#ifndef CONFIG_NO_SCAN_PROCESSING
/**
 * wpas_reenabled_network_time - Time until first network is re-enabled
 * @wpa_s: Pointer to wpa_supplicant data
 * Returns: If all enabled networks are temporarily disabled, returns the time
 *  (in sec) until the first network is re-enabled. Otherwise returns 0.
 *
 * This function is used in case all enabled networks are temporarily disabled,
 * in which case it returns the time (in sec) that the first network will be
 * re-enabled. The function assumes that at least one network is enabled.
 */
static int wpas_reenabled_network_time(struct wpa_supplicant *wpa_s)
{
  struct wpa_ssid *ssid;
  int disabled_for, res = 0;

#ifdef CONFIG_INTERWORKING
  if (wpa_s->conf->auto_interworking && wpa_s->conf->interworking &&
      wpa_s->conf->cred)
    return 0;
#endif /* CONFIG_INTERWORKING */

  for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
    if (ssid->disabled)
      continue;

    disabled_for = wpas_temp_disabled(wpa_s, ssid);
    if (!disabled_for)
      return 0;

    if (!res || disabled_for < res)
      res = disabled_for;
  }

  return res;
}
#endif /* CONFIG_NO_SCAN_PROCESSING */


void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx)
{
  struct wpa_supplicant *wpa_s = eloop_ctx;

  if (wpa_s->disconnected || wpa_s->wpa_state != WPA_SCANNING)
    return;

  wpa_dbg(wpa_s, MSG_DEBUG,
    "Try to associate due to network getting re-enabled");
  if (wpa_supplicant_fast_associate(wpa_s) != 1) {
    wpa_supplicant_cancel_sched_scan(wpa_s);
    wpa_supplicant_req_scan(wpa_s, 0, 0);
  }
}


static struct wpa_bss * __wpa_supplicant_get_new_bss(
  struct wpa_supplicant *wpa_s, const u8 *bssid, const u8 *ssid,
  size_t ssid_len)
{
  if (ssid && ssid_len > 0)
    return wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
  else
    return wpa_bss_get_bssid(wpa_s, bssid);
}


static struct wpa_bss * _wpa_supplicant_get_new_bss(
  struct wpa_supplicant *wpa_s, const u8 *bssid, const u8 *ssid,
  size_t ssid_len, bool try_update_scan_results)
{
  struct wpa_bss *bss = __wpa_supplicant_get_new_bss(wpa_s, bssid, ssid,
                 ssid_len);

  if (bss || !try_update_scan_results)
    return bss;

  wpa_supplicant_update_scan_results(wpa_s, bssid);

  return __wpa_supplicant_get_new_bss(wpa_s, bssid, ssid, ssid_len);
}


static struct wpa_bss * wpa_supplicant_get_new_bss(
  struct wpa_supplicant *wpa_s, const u8 *bssid)
{
  struct wpa_bss *bss = NULL;
  struct wpa_ssid *ssid = wpa_s->current_ssid;
  u8 drv_ssid[SSID_MAX_LEN];
  int res;
  bool try_update_scan_results = true;

  res = wpa_drv_get_ssid(wpa_s, drv_ssid);
  if (res > 0) {
    bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, drv_ssid, res,
              try_update_scan_results);
    try_update_scan_results = false;
  }
  if (!bss && ssid && ssid->ssid_len > 0) {
    bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, ssid->ssid,
              ssid->ssid_len,
              try_update_scan_results);
    try_update_scan_results = false;
  }
  if (!bss)
    bss = _wpa_supplicant_get_new_bss(wpa_s, bssid, NULL, 0,
              try_update_scan_results);

  return bss;
}


static struct wpa_bss *
wpa_supplicant_update_current_bss(struct wpa_supplicant *wpa_s, const u8 *bssid)
{
  struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, bssid);

  if (bss)
    wpa_s->current_bss = bss;

  return bss;
}


static void wpa_supplicant_update_link_bss(struct wpa_supplicant *wpa_s,
             u8 link_id, const u8 *bssid)
{
  struct wpa_bss *bss = wpa_supplicant_get_new_bss(wpa_s, bssid);

  if (bss)
    wpa_s->links[link_id].bss = bss;
}


static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s,
          union wpa_event_data *data)
{
  struct wpa_ssid *ssid, *old_ssid;
  struct wpa_bss *bss;
  u8 drv_ssid[SSID_MAX_LEN];
  size_t drv_ssid_len;
  int res;

  if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) {
    wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid);

    if (wpa_s->current_ssid->ssid_len == 0)
      return 0; /* current profile still in use */
    res = wpa_drv_get_ssid(wpa_s, drv_ssid);
    if (res < 0) {
      wpa_msg(wpa_s, MSG_INFO,
        "Failed to read SSID from driver");
      return 0; /* try to use current profile */
    }
    drv_ssid_len = res;

    if (drv_ssid_len == wpa_s->current_ssid->ssid_len &&
        os_memcmp(drv_ssid, wpa_s->current_ssid->ssid,
            drv_ssid_len) == 0)
      return 0; /* current profile still in use */

#ifdef CONFIG_OWE
    if ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
        wpa_s->current_bss &&
        (wpa_s->current_bss->flags & WPA_BSS_OWE_TRANSITION) &&
        drv_ssid_len == wpa_s->current_bss->ssid_len &&
        os_memcmp(drv_ssid, wpa_s->current_bss->ssid,
            drv_ssid_len) == 0)
      return 0; /* current profile still in use */
#endif /* CONFIG_OWE */

    wpa_msg(wpa_s, MSG_DEBUG,
      "Driver-initiated BSS selection changed the SSID to %s",
      wpa_ssid_txt(drv_ssid, drv_ssid_len));
    /* continue selecting a new network profile */
  }

  wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association "
    "information");
  ssid = wpa_supplicant_get_ssid(wpa_s);
  if (ssid == NULL) {
    wpa_msg(wpa_s, MSG_INFO,
      "No network configuration found for the current AP");
    return -1;
  }

  if (wpas_network_disabled(wpa_s, ssid)) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled");
    return -1;
  }

  if (disallowed_bssid(wpa_s, wpa_s->bssid) ||
      disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed");
    return -1;
  }

  res = wpas_temp_disabled(wpa_s, ssid);
  if (res > 0) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily "
      "disabled for %d second(s)", res);
    return -1;
  }

  wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
    "current AP");
  bss = wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid);
  if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
    u8 wpa_ie[80];
    size_t wpa_ie_len = sizeof(wpa_ie);
    bool skip_default_rsne;

    /* Do not override RSNE/RSNXE with the default values if the
     * driver indicated the actual values used in the
     * (Re)Association Request frame. */
    skip_default_rsne = data && data->assoc_info.req_ies;
    if (wpa_supplicant_set_suites(wpa_s, bss, ssid,
                wpa_ie, &wpa_ie_len,
                skip_default_rsne) < 0)
      wpa_dbg(wpa_s, MSG_DEBUG, "Could not set WPA suites");
  } else {
    wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
  }

  if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
    eapol_sm_invalidate_cached_session(wpa_s->eapol);
  old_ssid = wpa_s->current_ssid;
  wpa_s->current_ssid = ssid;

  wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
  wpa_supplicant_initiate_eapol(wpa_s);
  if (old_ssid != wpa_s->current_ssid)
    wpas_notify_network_changed(wpa_s);

  return 0;
}


void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
{
  struct wpa_supplicant *wpa_s = eloop_ctx;

  if (wpa_s->countermeasures) {
    wpa_s->countermeasures = 0;
    wpa_drv_set_countermeasures(wpa_s, 0);
    wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped");

    /*
     * It is possible that the device is sched scanning, which means
     * that a connection attempt will be done only when we receive
     * scan results. However, in this case, it would be preferable
     * to scan and connect immediately, so cancel the sched_scan and
     * issue a regular scan flow.
     */
    wpa_supplicant_cancel_sched_scan(wpa_s);
    wpa_supplicant_req_scan(wpa_s, 0, 0);
  }
}


void wpas_reset_mlo_info(struct wpa_supplicant *wpa_s)
{
  int i;

  if (!wpa_s->valid_links)
    return;

  wpa_s->valid_links = 0;
  wpa_s->mlo_assoc_link_id = 0;
  os_memset(wpa_s->ap_mld_addr, 0, ETH_ALEN);
  for (i = 0; i < MAX_NUM_MLD_LINKS; i++)
    wpabuf_free(wpa_s->links[i].ies);
  os_memset(wpa_s->links, 0, sizeof(wpa_s->links));
}


void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
{
  int bssid_changed;

  wnm_bss_keep_alive_deinit(wpa_s);

#ifdef CONFIG_IBSS_RSN
  ibss_rsn_deinit(wpa_s->ibss_rsn);
  wpa_s->ibss_rsn = NULL;
#endif /* CONFIG_IBSS_RSN */

#ifdef CONFIG_AP
  wpa_supplicant_ap_deinit(wpa_s);
#endif /* CONFIG_AP */

#ifdef CONFIG_HS20
  /* Clear possibly configured frame filters */
  wpa_drv_configure_frame_filters(wpa_s, 0);
#endif /* CONFIG_HS20 */

  if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
    return;

  if (os_reltime_initialized(&wpa_s->session_start)) {
    os_reltime_age(&wpa_s->session_start, &wpa_s->session_length);
    wpa_s->session_start.sec = 0;
    wpa_s->session_start.usec = 0;
    wpas_notify_session_length(wpa_s);
  }

  wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
  bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
  os_memset(wpa_s->bssid, 0, ETH_ALEN);
  os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
  sme_clear_on_disassoc(wpa_s);
  wpa_s->current_bss = NULL;
  wpa_s->assoc_freq = 0;

  if (bssid_changed)
    wpas_notify_bssid_changed(wpa_s);

  eapol_sm_notify_portEnabled(wpa_s->eapol, false);
  eapol_sm_notify_portValid(wpa_s->eapol, false);
  if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
      wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
      wpa_s->key_mgmt == WPA_KEY_MGMT_DPP || wpa_s->drv_authorized_port)
    eapol_sm_notify_eap_success(wpa_s->eapol, false);
  wpa_s->drv_authorized_port = 0;
  wpa_s->ap_ies_from_associnfo = 0;
  wpa_s->current_ssid = NULL;
  eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
  wpa_s->key_mgmt = 0;
  wpa_s->allowed_key_mgmts = 0;

#ifndef CONFIG_NO_RRM
  wpas_rrm_reset(wpa_s);
#endif /* CONFIG_NO_RRM */
  wpa_s->wnmsleep_used = 0;
#ifdef CONFIG_WNM
  wpa_s->wnm_mode = 0;
#endif /* CONFIG_WNM */
  wnm_clear_coloc_intf_reporting(wpa_s);
  wpa_s->disable_mbo_oce = 0;

#ifdef CONFIG_TESTING_OPTIONS
  wpa_s->last_tk_alg = WPA_ALG_NONE;
  os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk));
#endif /* CONFIG_TESTING_OPTIONS */
  wpa_s->ieee80211ac = 0;

  if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0)
    wpa_s->enabled_4addr_mode = 0;

  wpa_s->wps_scan_done = false;
  wpas_reset_mlo_info(wpa_s);
#ifndef CONFIG_NO_ROBUST_AV
  wpas_scs_deinit(wpa_s);
#endif /* CONFIG_NO_ROBUST_AV */

#ifdef CONFIG_SME
  wpa_s->sme.bss_max_idle_period = 0;
#endif /* CONFIG_SME */

  wpa_s->ssid_verified = false;
  wpa_s->bigtk_set = false;

  wpabuf_free(wpa_s->pending_eapol_rx);
  wpa_s->pending_eapol_rx = NULL;
}


static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
{
  struct wpa_ie_data ie;
  int pmksa_set = -1;
  size_t i;
  struct rsn_pmksa_cache_entry *cur_pmksa;

  /* Start with assumption of no PMKSA cache entry match for cases other
   * than SAE. In particular, this is needed to generate the PMKSA cache
   * entries for Suite B cases with driver-based roaming indication. */
  cur_pmksa = pmksa_cache_get_current(wpa_s->wpa);
  if (cur_pmksa && !wpa_key_mgmt_sae(cur_pmksa->akmp))
    pmksa_cache_clear_current(wpa_s->wpa);

  if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
      ie.pmkid == NULL)
    return;

  for (i = 0; i < ie.num_pmkid; i++) {
    pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
                ie.pmkid + i * PMKID_LEN,
                NULL, NULL, 0, NULL, 0,
                true);
    if (pmksa_set == 0) {
      eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
      wpa_sm_set_pmk_from_pmksa(wpa_s->wpa);
      break;
    }
  }

  wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
    "PMKSA cache", pmksa_set == 0 ? "" : "not ");
}


static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
             union wpa_event_data *data)
{
  if (data == NULL) {
    wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
      "event");
    return;
  }
  wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
    " index=%d preauth=%d",
    MAC2STR(data->pmkid_candidate.bssid),
    data->pmkid_candidate.index,
    data->pmkid_candidate.preauth);

  pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
          data->pmkid_candidate.index,
          data->pmkid_candidate.preauth);
}


static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
{
  if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
      wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
    return 0;

#ifdef IEEE8021X_EAPOL
  if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
      wpa_s->current_ssid &&
      !(wpa_s->current_ssid->eapol_flags &
        (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
         EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
    /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
     * plaintext or static WEP keys). */
    return 0;
  }
#endif /* IEEE8021X_EAPOL */

  return 1;
}


/**
 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
 * @wpa_s: pointer to wpa_supplicant data
 * @ssid: Configuration data for the network
 * Returns: 0 on success, -1 on failure
 *
 * This function is called when starting authentication with a network that is
 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
 */
int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
            struct wpa_ssid *ssid)
{
#ifdef IEEE8021X_EAPOL
#ifdef PCSC_FUNCS
  int aka = 0, sim = 0;

  if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
      wpa_s->scard != NULL || wpa_s->conf->external_sim)
    return 0;

  if (ssid == NULL || ssid->eap.eap_methods == NULL) {
    sim = 1;
    aka = 1;
  } else {
    struct eap_method_type *eap = ssid->eap.eap_methods;
    while (eap->vendor != EAP_VENDOR_IETF ||
           eap->method != EAP_TYPE_NONE) {
      if (eap->vendor == EAP_VENDOR_IETF) {
        if (eap->method == EAP_TYPE_SIM)
          sim = 1;
        else if (eap->method == EAP_TYPE_AKA ||
           eap->method == EAP_TYPE_AKA_PRIME)
          aka = 1;
      }
      eap++;
    }
  }

  if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
    sim = 0;
  if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
      eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
      NULL)
    aka = 0;

  if (!sim && !aka) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
      "use SIM, but neither EAP-SIM nor EAP-AKA are "
      "enabled");
    return 0;
  }

  wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
    "(sim=%d aka=%d) - initialize PCSC", sim, aka);

  wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
  if (wpa_s->scard == NULL) {
    wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
      "(pcsc-lite)");
    return -1;
  }
  wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
  eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
#endif /* PCSC_FUNCS */
#endif /* IEEE8021X_EAPOL */

  return 0;
}


#ifndef CONFIG_NO_SCAN_PROCESSING

#ifdef CONFIG_WEP
static int has_wep_key(struct wpa_ssid *ssid)
{
  int i;

  for (i = 0; i < NUM_WEP_KEYS; i++) {
    if (ssid->wep_key_len[i])
      return 1;
  }

  return 0;
}
#endif /* CONFIG_WEP */


static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
          struct wpa_ssid *ssid)
{
  int privacy = 0;

  if (ssid->mixed_cell)
    return 1;

#ifdef CONFIG_WPS
  if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
    return 1;
#endif /* CONFIG_WPS */

#ifdef CONFIG_OWE
  if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only)
    return 1;
#endif /* CONFIG_OWE */

#ifdef CONFIG_WEP
  if (has_wep_key(ssid))
    privacy = 1;
#endif /* CONFIG_WEP */

#ifdef IEEE8021X_EAPOL
  if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
      ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
         EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
    privacy = 1;
#endif /* IEEE8021X_EAPOL */

  if (wpa_key_mgmt_wpa(ssid->key_mgmt))
    privacy = 1;

  if (bss->caps & IEEE80211_CAP_PRIVACY)
    return privacy;
  return !privacy;
}


static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
           struct wpa_ssid *ssid,
           struct wpa_bss *bss, int debug_print)
{
  struct wpa_ie_data ie;
  int proto_match = 0;
  const u8 *rsn_ie, *wpa_ie;
  int ret;
#ifdef CONFIG_WEP
  int wep_ok;
#endif /* CONFIG_WEP */
  bool is_6ghz_bss = is_6ghz_freq(bss->freq);

  ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
  if (ret >= 0)
    return ret;

#ifdef CONFIG_WEP
  /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
  wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
    (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
      ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
     (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
#endif /* CONFIG_WEP */

  rsn_ie = wpa_bss_get_rsne(wpa_s, bss, ssid, false);
  if (is_6ghz_bss && !rsn_ie) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - 6 GHz BSS without RSNE");
    return 0;
  }

  while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
    proto_match++;

    if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip RSN IE - parse failed");
      break;
    }
    if (!ie.has_pairwise)
      ie.pairwise_cipher = wpa_default_rsn_cipher(bss->freq);
    if (!ie.has_group)
      ie.group_cipher = wpa_default_rsn_cipher(bss->freq);

    if (is_6ghz_bss || !is_zero_ether_addr(bss->mld_addr)) {
      /* WEP and TKIP are not allowed on 6 GHz/MLD */
      ie.pairwise_cipher &= ~(WPA_CIPHER_WEP40 |
            WPA_CIPHER_WEP104 |
            WPA_CIPHER_TKIP);
      ie.group_cipher &= ~(WPA_CIPHER_WEP40 |
               WPA_CIPHER_WEP104 |
               WPA_CIPHER_TKIP);
    }

#ifdef CONFIG_WEP
    if (wep_ok &&
        (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
    {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   selected based on TSN in RSN IE");
      return 1;
    }
#endif /* CONFIG_WEP */

    if (!(ie.proto & ssid->proto)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip RSN IE - proto mismatch");
      break;
    }

    if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip RSN IE - PTK cipher mismatch");
      break;
    }

    if (!(ie.group_cipher & ssid->group_cipher)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip RSN IE - GTK cipher mismatch");
      break;
    }

    if (ssid->group_mgmt_cipher &&
        !(ie.mgmt_group_cipher & ssid->group_mgmt_cipher)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip RSN IE - group mgmt cipher mismatch");
      break;
    }

    if (is_6ghz_bss) {
      /* MFPC must be supported on 6 GHz */
      if (!(ie.capabilities & WPA_CAPABILITY_MFPC)) {
        if (debug_print)
          wpa_dbg(wpa_s, MSG_DEBUG,
            "   skip RSNE - 6 GHz without MFPC");
        break;
      }

      /* WPA PSK is not allowed on the 6 GHz band */
      ie.key_mgmt &= ~(WPA_KEY_MGMT_PSK |
           WPA_KEY_MGMT_FT_PSK |
           WPA_KEY_MGMT_PSK_SHA256);
    }

    if (!(ie.key_mgmt & ssid->key_mgmt)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip RSN IE - key mgmt mismatch");
      break;
    }

    if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
        wpas_get_ssid_pmf(wpa_s, ssid) ==
        MGMT_FRAME_PROTECTION_REQUIRED) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip RSN IE - no mgmt frame protection");
      break;
    }
    if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
        wpas_get_ssid_pmf(wpa_s, ssid) ==
        NO_MGMT_FRAME_PROTECTION) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip RSN IE - no mgmt frame protection enabled but AP requires it");
      break;
    }

    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   selected based on RSN IE");
    return 1;
  }

  if (is_6ghz_bss) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - 6 GHz BSS without matching RSNE");
    return 0;
  }

  wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);

  if (wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED &&
      (!(ssid->key_mgmt & WPA_KEY_MGMT_OWE) || ssid->owe_only)) {
#ifdef CONFIG_OWE
    if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && ssid->owe_only &&
        !wpa_ie && !rsn_ie &&
        wpa_s->owe_transition_select &&
        wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) &&
        ssid->owe_transition_bss_select_count + 1 <=
        MAX_OWE_TRANSITION_BSS_SELECT_COUNT) {
      ssid->owe_transition_bss_select_count++;
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip OWE open BSS (selection count %d does not exceed %d)",
          ssid->owe_transition_bss_select_count,
          MAX_OWE_TRANSITION_BSS_SELECT_COUNT);
      wpa_s->owe_transition_search = 1;
      return 0;
    }
#endif /* CONFIG_OWE */
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - MFP Required but network not MFP Capable");
    return 0;
  }

  while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
    proto_match++;

    if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip WPA IE - parse failed");
      break;
    }

#ifdef CONFIG_WEP
    if (wep_ok &&
        (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
    {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   selected based on TSN in WPA IE");
      return 1;
    }
#endif /* CONFIG_WEP */

    if (!(ie.proto & ssid->proto)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip WPA IE - proto mismatch");
      break;
    }

    if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip WPA IE - PTK cipher mismatch");
      break;
    }

    if (!(ie.group_cipher & ssid->group_cipher)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip WPA IE - GTK cipher mismatch");
      break;
    }

    if (!(ie.key_mgmt & ssid->key_mgmt)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip WPA IE - key mgmt mismatch");
      break;
    }

    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   selected based on WPA IE");
    return 1;
  }

  if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
      !rsn_ie) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   allow for non-WPA IEEE 802.1X");
    return 1;
  }

#ifdef CONFIG_OWE
  if ((ssid->key_mgmt & WPA_KEY_MGMT_OWE) && !ssid->owe_only &&
      !wpa_ie && !rsn_ie) {
    if (wpa_s->owe_transition_select &&
        wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE) &&
        ssid->owe_transition_bss_select_count + 1 <=
        MAX_OWE_TRANSITION_BSS_SELECT_COUNT) {
      ssid->owe_transition_bss_select_count++;
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip OWE transition BSS (selection count %d does not exceed %d)",
          ssid->owe_transition_bss_select_count,
          MAX_OWE_TRANSITION_BSS_SELECT_COUNT);
      wpa_s->owe_transition_search = 1;
      return 0;
    }
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   allow in OWE transition mode");
    return 1;
  }
#endif /* CONFIG_OWE */

  if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
      wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - no WPA/RSN proto match");
    return 0;
  }

  if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   allow in non-WPA/WPA2");
    return 1;
  }

  if (debug_print)
    wpa_dbg(wpa_s, MSG_DEBUG,
      "   reject due to mismatch with WPA/WPA2");

  return 0;
}


static int freq_allowed(int *freqs, int freq)
{
  int i;

  if (freqs == NULL)
    return 1;

  for (i = 0; freqs[i]; i++)
    if (freqs[i] == freq)
      return 1;
  return 0;
}


static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
          struct wpa_bss *bss, int debug_print)
{
  const struct hostapd_hw_modes *mode = NULL, *modes;
  const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
  const u8 *rate_ie;
  int i, j, k;

  if (bss->freq == 0)
    return 1; /* Cannot do matching without knowing band */

  modes = wpa_s->hw.modes;
  if (modes == NULL) {
    /*
     * The driver does not provide any additional information
     * about the utilized hardware, so allow the connection attempt
     * to continue.
     */
    return 1;
  }

  for (i = 0; i < wpa_s->hw.num_modes; i++) {
    for (j = 0; j < modes[i].num_channels; j++) {
      int freq = modes[i].channels[j].freq;
      if (freq == bss->freq) {
        if (mode &&
            mode->mode == HOSTAPD_MODE_IEEE80211G)
          break; /* do not allow 802.11b replace
            * 802.11g */
        mode = &modes[i];
        break;
      }
    }
  }

  if (mode == NULL)
    return 0;

  for (i = 0; i < (int) sizeof(scan_ie); i++) {
    rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
    if (rate_ie == NULL)
      continue;

    for (j = 2; j < rate_ie[1] + 2; j++) {
      int flagged = !!(rate_ie[j] & 0x80);
      int r = (rate_ie[j] & 0x7f) * 5;

      /*
       * IEEE Std 802.11n-2009 7.3.2.2:
       * The new BSS Membership selector value is encoded
       * like a legacy basic rate, but it is not a rate and
       * only indicates if the BSS members are required to
       * support the mandatory features of Clause 20 [HT PHY]
       * in order to join the BSS.
       */
      if (flagged && ((rate_ie[j] & 0x7f) ==
          BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
        if (!ht_supported(mode)) {
          if (debug_print)
            wpa_dbg(wpa_s, MSG_DEBUG,
              "   hardware does not support HT PHY");
          return 0;
        }
        continue;
      }

      /* There's also a VHT selector for 802.11ac */
      if (flagged && ((rate_ie[j] & 0x7f) ==
          BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
        if (!vht_supported(mode)) {
          if (debug_print)
            wpa_dbg(wpa_s, MSG_DEBUG,
              "   hardware does not support VHT PHY");
          return 0;
        }
        continue;
      }

      if (flagged && ((rate_ie[j] & 0x7f) ==
          BSS_MEMBERSHIP_SELECTOR_HE_PHY)) {
        if (!he_supported(mode, IEEE80211_MODE_INFRA)) {
          if (debug_print)
            wpa_dbg(wpa_s, MSG_DEBUG,
              "   hardware does not support HE PHY");
          return 0;
        }
        continue;
      }

#ifdef CONFIG_SAE
      if (flagged && ((rate_ie[j] & 0x7f) ==
          BSS_MEMBERSHIP_SELECTOR_SAE_H2E_ONLY)) {
        if (wpas_get_ssid_sae_pwe(wpa_s, ssid) ==
            SAE_PWE_HUNT_AND_PECK &&
            !ssid->sae_password_id &&
            !is_6ghz_freq(bss->freq) &&
            wpa_key_mgmt_sae(ssid->key_mgmt)) {
          if (debug_print)
            wpa_dbg(wpa_s, MSG_DEBUG,
              "   SAE H2E disabled");
#ifdef CONFIG_TESTING_OPTIONS
          if (wpa_s->ignore_sae_h2e_only) {
            wpa_dbg(wpa_s, MSG_DEBUG,
              "TESTING: Ignore SAE H2E requirement mismatch");
            continue;
          }
#endif /* CONFIG_TESTING_OPTIONS */
          return 0;
        }
        continue;
      }
#endif /* CONFIG_SAE */

      if (!flagged)
        continue;

      /* check for legacy basic rates */
      for (k = 0; k < mode->num_rates; k++) {
        if (mode->rates[k] == r)
          break;
      }
      if (k == mode->num_rates) {
        /*
         * IEEE Std 802.11-2007 7.3.2.2 demands that in
         * order to join a BSS all required rates
         * have to be supported by the hardware.
         */
        if (debug_print)
          wpa_dbg(wpa_s, MSG_DEBUG,
            "   hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
            r / 10, r % 10,
            bss->freq, mode->mode, mode->num_rates);
        return 0;
      }
    }
  }

  return 1;
}


/*
 * Test whether BSS is in an ESS.
 * This is done differently in DMG (60 GHz) and non-DMG bands
 */
static int bss_is_ess(struct wpa_bss *bss)
{
  if (bss_is_dmg(bss)) {
    return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
      IEEE80211_CAP_DMG_AP;
  }

  return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
    IEEE80211_CAP_ESS);
}


static int match_mac_mask(const u8 *addr_a, const u8 *addr_b, const u8 *mask)
{
  size_t i;

  for (i = 0; i < ETH_ALEN; i++) {
    if ((addr_a[i] & mask[i]) != (addr_b[i] & mask[i]))
      return 0;
  }
  return 1;
}


static int addr_in_list(const u8 *addr, const u8 *list, size_t num)
{
  size_t i;

  for (i = 0; i < num; i++) {
    const u8 *a = list + i * ETH_ALEN * 2;
    const u8 *m = a + ETH_ALEN;

    if (match_mac_mask(a, addr, m))
      return 1;
  }
  return 0;
}


static void owe_trans_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
         const u8 **ret_ssid, size_t *ret_ssid_len)
{
#ifdef CONFIG_OWE
  const u8 *owe, *bssid;

  owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
  if (!owe || !wpa_bss_get_rsne(wpa_s, bss, NULL, false))
    return;

  if (wpas_get_owe_trans_network(owe, &bssid, ret_ssid, ret_ssid_len))
    return;

  /* Match the profile SSID against the OWE transition mode SSID on the
   * open network. */
  wpa_dbg(wpa_s, MSG_DEBUG, "OWE: transition mode BSSID: " MACSTR
    " SSID: %s", MAC2STR(bssid),
    wpa_ssid_txt(*ret_ssid, *ret_ssid_len));

  if (!(bss->flags & WPA_BSS_OWE_TRANSITION)) {
    struct wpa_ssid *ssid;

    for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
      if (wpas_network_disabled(wpa_s, ssid))
        continue;
      if (ssid->ssid_len == *ret_ssid_len &&
          os_memcmp(ssid->ssid, *ret_ssid, *ret_ssid_len) ==
          0) {
        /* OWE BSS in transition mode for a currently
         * enabled OWE network. */
        wpa_dbg(wpa_s, MSG_DEBUG,
          "OWE: transition mode OWE SSID for active OWE profile");
        bss->flags |= WPA_BSS_OWE_TRANSITION;
        break;
      }
    }
  }
#endif /* CONFIG_OWE */
}


static bool wpas_valid_ml_bss(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
{
  u16 removed_links;

  if (!bss->valid_links)
    return true;

  /* Check if the current BSS is going to be removed */
  removed_links = wpa_bss_parse_reconf_ml_element(wpa_s, bss);
  if (BIT(bss->mld_link_id) & removed_links)
    return false;

  return true;
}


int disabled_freq(struct wpa_supplicant *wpa_s, int freq)
{
  int i, j;

  if (!wpa_s->hw.modes || !wpa_s->hw.num_modes)
    return 0;

  for (j = 0; j < wpa_s->hw.num_modes; j++) {
    struct hostapd_hw_modes *mode = &wpa_s->hw.modes[j];

    for (i = 0; i < mode->num_channels; i++) {
      struct hostapd_channel_data *chan = &mode->channels[i];

      if (chan->freq == freq)
        return !!(chan->flag & HOSTAPD_CHAN_DISABLED);
    }
  }

  return 1;
}


static bool wpa_scan_res_ok(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
          const u8 *match_ssid, size_t match_ssid_len,
          struct wpa_bss *bss, int bssid_ignore_count,
          bool debug_print, bool link);


#ifdef CONFIG_SAE_PK
static bool sae_pk_acceptable_bss_with_pk(struct wpa_supplicant *wpa_s,
            struct wpa_bss *orig_bss,
            struct wpa_ssid *ssid,
            const u8 *match_ssid,
            size_t match_ssid_len)
{
  struct wpa_bss *bss;

  dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
    int count;
    const u8 *ie;

    if (bss == orig_bss)
      continue;
    ie = wpa_bss_get_rsnxe(wpa_s, bss, ssid, false);
    if (!(ieee802_11_rsnx_capab(ie, WLAN_RSNX_CAPAB_SAE_PK)))
      continue;

    /* TODO: Could be more thorough in checking what kind of
     * signal strength or throughput estimate would be acceptable
     * compared to the originally selected BSS. */
    if (bss->est_throughput < 2000)
      return false;

    count = wpa_bssid_ignore_is_listed(wpa_s, bss->bssid);
    if (wpa_scan_res_ok(wpa_s, ssid, match_ssid, match_ssid_len,
            bss, count, false, false))
      return true;
  }

  return false;
}
#endif /* CONFIG_SAE_PK */


static bool wpa_scan_res_ok(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
          const u8 *match_ssid, size_t match_ssid_len,
          struct wpa_bss *bss, int bssid_ignore_count,
          bool debug_print, bool link)
{
  int res;
  bool wpa, check_ssid = false;
#ifdef CONFIG_MBO
  const u8 *assoc_disallow;
#endif /* CONFIG_MBO */
#ifdef CONFIG_SAE
  u8 rsnxe_capa = 0;
  enum sae_pwe sae_pwe;
#endif /* CONFIG_SAE */
  const u8 *ie;

  ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
  wpa = ie && ie[1];
  ie = wpa_bss_get_rsne(wpa_s, bss, ssid, false);
  wpa |= ie && ie[1];

#ifdef CONFIG_SAE
  ie = wpa_bss_get_rsnxe(wpa_s, bss, ssid, false);
  if (ie && ie[0] == WLAN_EID_VENDOR_SPECIFIC && ie[1] >= 4 + 1)
    rsnxe_capa = ie[4 + 2];
  else if (ie && ie[1] >= 1)
    rsnxe_capa = ie[2];
#endif /* CONFIG_SAE */

  check_ssid = wpa || ssid->ssid_len > 0;

  if (wpas_network_disabled(wpa_s, ssid)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - disabled");
    return false;
  }

  res = wpas_temp_disabled(wpa_s, ssid);
  if (res > 0) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - disabled temporarily for %d second(s)",
        res);
    return false;
  }

#ifdef CONFIG_WPS
  if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && bssid_ignore_count) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - BSSID ignored (WPS)");
    return false;
  }

  if (wpa && ssid->ssid_len == 0 &&
      wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
    check_ssid = false;

  if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
    /* Only allow wildcard SSID match if an AP advertises active
     * WPS operation that matches our mode. */
    check_ssid = ssid->ssid_len > 0 ||
      !wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss);
  }
#endif /* CONFIG_WPS */

  if (ssid->bssid_set && ssid->ssid_len == 0 &&
      ether_addr_equal(bss->bssid, ssid->bssid))
    check_ssid = false;

  if (check_ssid &&
      (match_ssid_len != ssid->ssid_len ||
       os_memcmp(match_ssid, ssid->ssid, match_ssid_len) != 0)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID mismatch");
    return false;
  }

  if (!link && ssid->bssid_set &&
      !ether_addr_equal(bss->bssid, ssid->bssid)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - BSSID mismatch");
    return false;
  }

  /* check the list of BSSIDs to ignore */
  if (ssid->num_bssid_ignore &&
      addr_in_list(bss->bssid, ssid->bssid_ignore,
       ssid->num_bssid_ignore)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - BSSID configured to be ignored");
    return false;
  }

  /* if there is a list of accepted BSSIDs, only accept those APs */
  if (ssid->num_bssid_accept &&
      !addr_in_list(bss->bssid, ssid->bssid_accept,
        ssid->num_bssid_accept)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - BSSID not in list of accepted values");
    return false;
  }

  if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss, debug_print))
    return false;

  if (!wpa &&
      !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
      !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
      !(ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
      !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - non-WPA network not allowed");
    return false;
  }

#ifdef CONFIG_WEP
  if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) && has_wep_key(ssid)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - ignore WPA/WPA2 AP for WEP network block");
    return false;
  }
#endif /* CONFIG_WEP */

  if (!wpa_supplicant_match_privacy(bss, ssid)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - privacy mismatch");
    return false;
  }

  if (ssid->mode != WPAS_MODE_MESH && !bss_is_ess(bss) &&
      !bss_is_pbss(bss)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - not ESS, PBSS, or MBSS");
    return false;
  }

  if (ssid->pbss != 2 && ssid->pbss != bss_is_pbss(bss)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - PBSS mismatch (ssid %d bss %d)",
        ssid->pbss, bss_is_pbss(bss));
    return false;
  }

  if (!freq_allowed(ssid->freq_list, bss->freq)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - frequency not allowed");
    return false;
  }

#ifdef CONFIG_MESH
  if (ssid->mode == WPAS_MODE_MESH && ssid->frequency > 0 &&
      ssid->frequency != bss->freq) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - frequency not allowed (mesh)");
    return false;
  }
#endif /* CONFIG_MESH */

  if (!rate_match(wpa_s, ssid, bss, debug_print)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - rate sets do not match");
    return false;
  }

#ifdef CONFIG_SAE
  /* When using SAE Password Identifier and when operationg on the 6 GHz
   * band, only H2E is allowed. */
  sae_pwe = wpas_get_ssid_sae_pwe(wpa_s, ssid);
  if ((sae_pwe == SAE_PWE_HASH_TO_ELEMENT ||
       is_6ghz_freq(bss->freq) || ssid->sae_password_id) &&
      sae_pwe != SAE_PWE_FORCE_HUNT_AND_PECK &&
      wpa_key_mgmt_sae(ssid->key_mgmt) &&
      !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_H2E))) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - SAE H2E required, but not supported by the AP");
    return false;
  }
#endif /* CONFIG_SAE */

#ifdef CONFIG_SAE_PK
  if (ssid->sae_pk == SAE_PK_MODE_ONLY &&
      !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_PK))) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - SAE-PK required, but not supported by the AP");
    return false;
  }
#endif /* CONFIG_SAE_PK */

#ifndef CONFIG_IBSS_RSN
  if (ssid->mode == WPAS_MODE_IBSS &&
      !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE | WPA_KEY_MGMT_WPA_NONE))) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - IBSS RSN not supported in the build");
    return false;
  }
#endif /* !CONFIG_IBSS_RSN */

#ifdef CONFIG_P2P
  if (ssid->p2p_group &&
      !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
      !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - no P2P IE seen");
    return false;
  }

  if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
    struct wpabuf *p2p_ie;
    u8 dev_addr[ETH_ALEN];

    ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
    if (!ie) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip - no P2P element");
      return false;
    }
    p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
    if (!p2p_ie) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip - could not fetch P2P element");
      return false;
    }

    if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0 ||
        !ether_addr_equal(dev_addr, ssid->go_p2p_dev_addr)) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip - no matching GO P2P Device Address in P2P element");
      wpabuf_free(p2p_ie);
      return false;
    }
    wpabuf_free(p2p_ie);
  }

  /*
   * TODO: skip the AP if its P2P IE has Group Formation bit set in the
   * P2P Group Capability Bitmap and we are not in Group Formation with
   * that device.
   */
#endif /* CONFIG_P2P */

  if (os_reltime_before(&bss->last_update, &wpa_s->scan_min_time)) {
    struct os_reltime diff;

    os_reltime_sub(&wpa_s->scan_min_time, &bss->last_update, &diff);
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - scan result not recent enough (%u.%06u seconds too old)",
        (unsigned int) diff.sec,
        (unsigned int) diff.usec);
    return false;
  }
#ifdef CONFIG_MBO
#ifdef CONFIG_TESTING_OPTIONS
  if (wpa_s->ignore_assoc_disallow)
    goto skip_assoc_disallow;
#endif /* CONFIG_TESTING_OPTIONS */
  assoc_disallow = wpas_mbo_check_assoc_disallow(bss);
  if (assoc_disallow && assoc_disallow[1] >= 1) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - MBO association disallowed (reason %u)",
        assoc_disallow[2]);
    return false;
  }

  if (wpa_is_bss_tmp_disallowed(wpa_s, bss)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - AP temporarily disallowed");
    return false;
  }
#ifdef CONFIG_TESTING_OPTIONS
skip_assoc_disallow:
#endif /* CONFIG_TESTING_OPTIONS */
#endif /* CONFIG_MBO */

#ifdef CONFIG_DPP
  if ((ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
      !wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, wpa_s->own_addr,
         ssid) &&
      (!ssid->dpp_connector || !ssid->dpp_netaccesskey ||
       !ssid->dpp_csign)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - no PMKSA entry for DPP");
    return false;
  }
#endif /* CONFIG_DPP */

#ifdef CONFIG_SAE_PK
  if (ssid->sae_pk == SAE_PK_MODE_AUTOMATIC &&
      wpa_key_mgmt_sae(ssid->key_mgmt) &&
      ((ssid->sae_password &&
        sae_pk_valid_password(ssid->sae_password)) ||
       (!ssid->sae_password && ssid->passphrase &&
        sae_pk_valid_password(ssid->passphrase))) &&
      !(rsnxe_capa & BIT(WLAN_RSNX_CAPAB_SAE_PK)) &&
      sae_pk_acceptable_bss_with_pk(wpa_s, bss, ssid, match_ssid,
            match_ssid_len)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - another acceptable BSS with SAE-PK in the same ESS");
    return false;
  }
#endif /* CONFIG_SAE_PK */

  if (bss->ssid_len == 0) {
#ifdef CONFIG_OWE
    const u8 *owe_ssid = NULL;
    size_t owe_ssid_len = 0;

    owe_trans_ssid(wpa_s, bss, &owe_ssid, &owe_ssid_len);
    if (owe_ssid && owe_ssid_len &&
        owe_ssid_len == ssid->ssid_len &&
        os_memcmp(owe_ssid, ssid->ssid, owe_ssid_len) == 0) {
      if (debug_print)
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip - no SSID in BSS entry for a possible OWE transition mode BSS");
      int_array_add_unique(&wpa_s->owe_trans_scan_freq,
               bss->freq);
      return false;
    }
#endif /* CONFIG_OWE */
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - no SSID known for the BSS");
    return false;
  }

  if (!link && !wpas_valid_ml_bss(wpa_s, bss)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG,
        "   skip - ML BSS going to be removed");
    return false;
  }

  /* Matching configuration found */
  return true;
}


struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
             int i, struct wpa_bss *bss,
             struct wpa_ssid *group,
             int only_first_ssid, int debug_print,
             bool link)
{
  u8 wpa_ie_len, rsn_ie_len;
  const u8 *ie;
  struct wpa_ssid *ssid;
  const u8 *match_ssid;
  size_t match_ssid_len;
  int bssid_ignore_count;

  ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
  wpa_ie_len = ie ? ie[1] : 0;

  ie = wpa_bss_get_rsne(wpa_s, bss, NULL, false);
  rsn_ie_len = ie ? ie[1] : 0;

  if (debug_print) {
    wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR
      " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s",
      i, MAC2STR(bss->bssid),
      wpa_ssid_txt(bss->ssid, bss->ssid_len),
      wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
      bss->freq,
      wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ?
      " wps" : "",
      (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
       wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE))
      ? " p2p" : "");
  }

  bssid_ignore_count = wpa_bssid_ignore_is_listed(wpa_s, bss->bssid);
  if (bssid_ignore_count) {
    int limit = 1;
    if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
      /*
       * When only a single network is enabled, we can
       * trigger BSSID ignoring on the first failure. This
       * should not be done with multiple enabled networks to
       * avoid getting forced to move into a worse ESS on
       * single error if there are no other BSSes of the
       * current ESS.
       */
      limit = 0;
    }
    if (bssid_ignore_count > limit) {
      if (debug_print) {
        wpa_dbg(wpa_s, MSG_DEBUG,
          "   skip - BSSID ignored (count=%d limit=%d)",
          bssid_ignore_count, limit);
      }
      return NULL;
    }
  }

  match_ssid = bss->ssid;
  match_ssid_len = bss->ssid_len;
  owe_trans_ssid(wpa_s, bss, &match_ssid, &match_ssid_len);

  if (match_ssid_len == 0) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID not known");
    return NULL;
  }

  if (disallowed_bssid(wpa_s, bss->bssid)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - BSSID disallowed");
    return NULL;
  }

  if (disallowed_ssid(wpa_s, match_ssid, match_ssid_len)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - SSID disallowed");
    return NULL;
  }

  if (disabled_freq(wpa_s, bss->freq)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - channel disabled");
    return NULL;
  }

  if (wnm_is_bss_excluded(wpa_s, bss)) {
    if (debug_print)
      wpa_dbg(wpa_s, MSG_DEBUG, "   skip - BSSID excluded");
    return NULL;
  }

  for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
    if (wpa_scan_res_ok(wpa_s, ssid, match_ssid, match_ssid_len,
            bss, bssid_ignore_count, debug_print, link))
      return ssid;
  }

  /* No matching configuration found */
  return NULL;
}


struct wpa_bss *
wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
        struct wpa_ssid *group,
        struct wpa_ssid **selected_ssid,
        int only_first_ssid)
{
  unsigned int i;

  if (wpa_s->current_ssid) {
    struct wpa_ssid *ssid;

    wpa_dbg(wpa_s, MSG_DEBUG,
      "Scan results matching the currently selected network");
    for (i = 0; i < wpa_s->last_scan_res_used; i++) {
      struct wpa_bss *bss = wpa_s->last_scan_res[i];

      ssid = wpa_scan_res_match(wpa_s, i, bss, group,
              only_first_ssid, 0, false);
      if (ssid != wpa_s->current_ssid)
        continue;
      wpa_dbg(wpa_s, MSG_DEBUG, "%u: " MACSTR
        " freq=%d level=%d snr=%d est_throughput=%u",
        i, MAC2STR(bss->bssid), bss->freq, bss->level,
        bss->snr, bss->est_throughput);
    }
  }

  if (only_first_ssid)
    wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
      group->id);
  else
    wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
      group->priority);

  for (i = 0; i < wpa_s->last_scan_res_used; i++) {
    struct wpa_bss *bss = wpa_s->last_scan_res[i];

    wpa_s->owe_transition_select = 1;
    *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
                only_first_ssid, 1, false);
    wpa_s->owe_transition_select = 0;
    if (!*selected_ssid)
      continue;
    wpa_dbg(wpa_s, MSG_DEBUG, "   selected %sBSS " MACSTR
      " ssid='%s'",
      bss == wpa_s->current_bss ? "current ": "",
      MAC2STR(bss->bssid),
      wpa_ssid_txt(bss->ssid, bss->ssid_len));
    return bss;
  }

  return NULL;
}


struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
               struct wpa_ssid **selected_ssid,
               bool clear_ignorelist)
{
  struct wpa_bss *selected = NULL;
  size_t prio;
  struct wpa_ssid *next_ssid = NULL;
  struct wpa_ssid *ssid;

  if (wpa_s->last_scan_res == NULL ||
      wpa_s->last_scan_res_used == 0)
    return NULL; /* no scan results from last update */

  if (wpa_s->next_ssid) {
    /* check that next_ssid is still valid */
    for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
      if (ssid == wpa_s->next_ssid)
        break;
    }
    next_ssid = ssid;
    wpa_s->next_ssid = NULL;
  }

  while (selected == NULL) {
    for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
      if (next_ssid && next_ssid->priority ==
          wpa_s->conf->pssid[prio]->priority) {
        selected = wpa_supplicant_select_bss(
          wpa_s, next_ssid, selected_ssid, 1);
        if (selected)
          break;
      }
      selected = wpa_supplicant_select_bss(
        wpa_s, wpa_s->conf->pssid[prio],
        selected_ssid, 0);
      if (selected)
        break;
    }

    if (!selected &&
        (wpa_s->bssid_ignore || wnm_active_bss_trans_mgmt(wpa_s)) &&
        !wpa_s->countermeasures && clear_ignorelist) {
      wpa_dbg(wpa_s, MSG_DEBUG,
        "No APs found - clear BSSID ignore list and try again");
      wnm_btm_reset(wpa_s);
      wpa_bssid_ignore_clear(wpa_s);
      wpa_s->bssid_ignore_cleared = true;
    } else if (selected == NULL)
      break;
  }

  ssid = *selected_ssid;
  if (selected && ssid && ssid->mem_only_psk && !ssid->psk_set &&
      !ssid->passphrase && !ssid->ext_psk) {
    const char *field_name, *txt = NULL;

    wpa_dbg(wpa_s, MSG_DEBUG,
      "PSK/passphrase not yet available for the selected network");

    wpas_notify_network_request(wpa_s, ssid,
              WPA_CTRL_REQ_PSK_PASSPHRASE, NULL);

    field_name = wpa_supplicant_ctrl_req_to_string(
      WPA_CTRL_REQ_PSK_PASSPHRASE, NULL, &txt);
    if (field_name == NULL)
      return NULL;

    wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);

    selected = NULL;
  }

  return selected;
}


static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
          int timeout_sec, int timeout_usec)
{
  if (!wpa_supplicant_enabled_networks(wpa_s)) {
    /*
     * No networks are enabled; short-circuit request so
     * we don't wait timeout seconds before transitioning
     * to INACTIVE state.
     */
    wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
      "since there are no enabled networks");
    wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
    return;
  }

  wpa_s->scan_for_connection = 1;
  wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
}


static bool ml_link_probe_scan(struct wpa_supplicant *wpa_s)
{
  if (!wpa_s->ml_connect_probe_ssid || !wpa_s->ml_connect_probe_bss)
    return false;

  wpa_msg(wpa_s, MSG_DEBUG,
    "Request association with " MACSTR " after ML probe",
    MAC2STR(wpa_s->ml_connect_probe_bss->bssid));

  wpa_supplicant_associate(wpa_s, wpa_s->ml_connect_probe_bss,
         wpa_s->ml_connect_probe_ssid);

  wpa_s->ml_connect_probe_ssid = NULL;
  wpa_s->ml_connect_probe_bss = NULL;

  return true;
}


static int wpa_supplicant_connect_ml_missing(struct wpa_supplicant *wpa_s,
               struct wpa_bss *selected,
               struct wpa_ssid *ssid)
{
  int *freqs;
  u16 missing_links = 0, removed_links, usable_links;

  if (!((wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_MLO) &&
        (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)))
    return 0;

  usable_links = wpa_bss_get_usable_links(wpa_s, selected, NULL,
            &missing_links);
  if (!usable_links || !missing_links)
    return 0;

  removed_links = wpa_bss_parse_reconf_ml_element(wpa_s, selected);
  missing_links &= ~removed_links;

  if (!missing_links)
    return 0;

  wpa_dbg(wpa_s, MSG_DEBUG,
    "MLD: Doing an ML probe for missing links 0x%04x",
    missing_links);

  freqs = os_malloc(sizeof(int) * 2);
  if (!freqs)
    return 0;

  wpa_s->ml_connect_probe_ssid = ssid;
  wpa_s->ml_connect_probe_bss = selected;

  freqs[0] = selected->freq;
  freqs[1] = 0;

  wpa_s->manual_scan_passive = 0;
  wpa_s->manual_scan_use_id = 0;
  wpa_s->manual_scan_only_new = 0;
  wpa_s->scan_id_count = 0;
  os_free(wpa_s->manual_scan_freqs);
  wpa_s->manual_scan_freqs = freqs;

  os_memcpy(wpa_s->ml_probe_bssid, selected->bssid, ETH_ALEN);

  /*
   * In case the ML probe request is intended to retrieve information from
   * the transmitted BSS, the AP MLD ID should be included and should be
   * set to zero.
   * In case the ML probe requested is intended to retrieve information
   * from a non-transmitted BSS, the AP MLD ID should not be included.
   */
  if (selected->mld_bss_non_transmitted)
    wpa_s->ml_probe_mld_id = -1;
  else
    wpa_s->ml_probe_mld_id = 0;

  if (ssid && ssid->ssid_len) {
    os_free(wpa_s->ssids_from_scan_req);
    wpa_s->num_ssids_from_scan_req = 0;

    wpa_s->ssids_from_scan_req =
      os_zalloc(sizeof(struct wpa_ssid_value));
    if (wpa_s->ssids_from_scan_req) {
      wpa_printf(MSG_DEBUG,
           "MLD: ML probe: With direct SSID");

      wpa_s->num_ssids_from_scan_req = 1;
      wpa_s->ssids_from_scan_req[0].ssid_len = ssid->ssid_len;
      os_memcpy(wpa_s->ssids_from_scan_req[0].ssid,
          ssid->ssid, ssid->ssid_len);
    }
  }

  wpa_s->ml_probe_links = missing_links;

  wpa_s->normal_scans = 0;
  wpa_s->scan_req = MANUAL_SCAN_REQ;
  wpa_s->after_wps = 0;
  wpa_s->known_wps_freq = 0;
  wpa_supplicant_req_scan(wpa_s, 0, 0);

  return 1;
}


int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
         struct wpa_bss *selected,
         struct wpa_ssid *ssid)
{
#ifdef IEEE8021X_EAPOL
  if ((eap_is_wps_pbc_enrollee(&ssid->eap) &&
       wpas_wps_partner_link_overlap_detect(wpa_s)) ||
      wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
    wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
      "PBC session overlap");
    wpas_notify_wps_event_pbc_overlap(wpa_s);
    wpa_s->wps_overlap = true;
#ifdef CONFIG_P2P
    if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
        wpa_s->p2p_in_provisioning) {
      eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
                 wpa_s, NULL);
      return -1;
    }
#endif /* CONFIG_P2P */

#ifdef CONFIG_WPS
    wpas_wps_pbc_overlap(wpa_s);
    wpas_wps_cancel(wpa_s);
#endif /* CONFIG_WPS */
    return -1;
  }
#endif /* IEEE8021X_EAPOL */

  wpa_msg(wpa_s, MSG_DEBUG,
    "Considering connect request: reassociate: %d  selected: "
    MACSTR "  bssid: " MACSTR "  pending: " MACSTR
    "  wpa_state: %s  ssid=%p  current_ssid=%p",
    wpa_s->reassociate, MAC2STR(selected->bssid),
    MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
    wpa_supplicant_state_txt(wpa_s->wpa_state),
    ssid, wpa_s->current_ssid);

  /*
   * Do not trigger new association unless the BSSID has changed or if
   * reassociation is requested. If we are in process of associating with
   * the selected BSSID, do not trigger new attempt.
   */
  if (wpa_s->reassociate ||
      (!ether_addr_equal(selected->bssid, wpa_s->bssid) &&
       ((wpa_s->wpa_state != WPA_ASSOCIATING &&
         wpa_s->wpa_state != WPA_AUTHENTICATING) ||
        (!is_zero_ether_addr(wpa_s->pending_bssid) &&
         !ether_addr_equal(selected->bssid, wpa_s->pending_bssid)) ||
        (is_zero_ether_addr(wpa_s->pending_bssid) &&
         ssid != wpa_s->current_ssid)))) {
    if (wpa_supplicant_scard_init(wpa_s, ssid)) {
      wpa_supplicant_req_new_scan(wpa_s, 10, 0);
      return 0;
    }

    if (wpa_supplicant_connect_ml_missing(wpa_s, selected, ssid))
      return 0;

    wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
      MAC2STR(selected->bssid));
    wpa_supplicant_associate(wpa_s, selected, ssid);
  } else {
    wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
      "connect with the selected AP");
  }

  return 0;
}


static struct wpa_ssid *
wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
{
  size_t prio;
  struct wpa_ssid *ssid;

  for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
    for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
    {
      if (wpas_network_disabled(wpa_s, ssid))
        continue;
#ifndef CONFIG_IBSS_RSN
      if (ssid->mode == WPAS_MODE_IBSS &&
          !(ssid->key_mgmt & (WPA_KEY_MGMT_NONE |
            WPA_KEY_MGMT_WPA_NONE))) {
        wpa_msg(wpa_s, MSG_INFO,
          "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
          wpa_ssid_txt(ssid->ssid,
                 ssid->ssid_len));
        continue;
      }
#endif /* !CONFIG_IBSS_RSN */
      if (ssid->mode == WPAS_MODE_IBSS ||
          ssid->mode == WPAS_MODE_AP ||
          ssid->mode == WPAS_MODE_MESH)
        return ssid;
    }
  }
  return NULL;
}


/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
 * on BSS added and BSS changed events */
static void wpa_supplicant_rsn_preauth_scan_results(
  struct wpa_supplicant *wpa_s)
{
  struct wpa_bss *bss;

  if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
    return;

  dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
    const u8 *ssid, *rsn;

    ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
    if (ssid == NULL)
      continue;

    rsn = wpa_bss_get_rsne(wpa_s, bss, NULL, false);
    if (rsn == NULL)
      continue;

    rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
  }

}


#ifndef CONFIG_NO_ROAMING

static int wpas_get_snr_signal_info(u32 frequency, int avg_signal, int noise)
{
  if (noise == WPA_INVALID_NOISE) {
    if (IS_5GHZ(frequency)) {
      noise = DEFAULT_NOISE_FLOOR_5GHZ;
    } else if (is_6ghz_freq(frequency)) {
      noise = DEFAULT_NOISE_FLOOR_6GHZ;
    } else {
      noise = DEFAULT_NOISE_FLOOR_2GHZ;
    }
  }
  return avg_signal - noise;
}


static unsigned int
wpas_get_est_throughput_from_bss_snr(const struct wpa_supplicant *wpa_s,
             const struct wpa_bss *bss, int snr)
{
  int rate = wpa_bss_get_max_rate(bss);
  const u8 *ies = wpa_bss_ie_ptr(bss);
  size_t ie_len = bss->ie_len ? bss->ie_len : bss->beacon_ie_len;
  enum chan_width max_cw = CHAN_WIDTH_UNKNOWN;

  return wpas_get_est_tpt(wpa_s, ies, ie_len, rate, snr, bss->freq,
        &max_cw);
}


static int wpas_evaluate_band_score(int frequency)
{
  if (is_6ghz_freq(frequency))
    return 2;
  if (IS_5GHZ(frequency))
    return 1;
  return 0;
}


int wpa_supplicant_need_to_roam_within_ess(struct wpa_supplicant *wpa_s,
             struct wpa_bss *current_bss,
             struct wpa_bss *selected,
             bool poll_current)
{
  int min_diff, diff;
  int cur_band_score, sel_band_score;
  int to_5ghz, to_6ghz;
  int cur_level, sel_level;
  unsigned int cur_est, sel_est;
  struct wpa_signal_info si;
  int cur_snr = 0;
  int ret = 0;
  const u8 *cur_ies = wpa_bss_ie_ptr(current_bss);
  const u8 *sel_ies = wpa_bss_ie_ptr(selected);
  size_t cur_ie_len = current_bss->ie_len ? current_bss->ie_len :
    current_bss->beacon_ie_len;
  size_t sel_ie_len = selected->ie_len ? selected->ie_len :
    selected->beacon_ie_len;

  wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
  wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
    " freq=%d level=%d snr=%d est_throughput=%u",
    MAC2STR(current_bss->bssid),
    current_bss->freq, current_bss->level,
    current_bss->snr, current_bss->est_throughput);
  wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR
    " freq=%d level=%d snr=%d est_throughput=%u",
    MAC2STR(selected->bssid), selected->freq, selected->level,
    selected->snr, selected->est_throughput);

  if (wpas_ap_link_address(wpa_s, selected->bssid)) {
    wpa_dbg(wpa_s, MSG_DEBUG, "MLD: associated to selected BSS");
    return 0;
  }

  if (wpa_s->current_ssid->bssid_set &&
      ether_addr_equal(selected->bssid, wpa_s->current_ssid->bssid)) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
      "has preferred BSSID");
    return 1;
  }

  /*
   * Try to poll the signal from the driver since this will allow to get
   * more accurate values. In some cases, there can be big differences
   * between the RSSI of the Probe Response frames of the AP we are
   * associated with and the Beacon frames we hear from the same AP after
   * association. This can happen, e.g., when there are two antennas that
   * hear the AP very differently. If the driver chooses to hear the
   * Probe Response frames during the scan on the "bad" antenna because
   * it wants to save power, but knows to choose the other antenna after
   * association, we will hear our AP with a low RSSI as part of the
   * scan even when we can hear it decently on the other antenna. To cope
   * with this, ask the driver to teach us how it hears the AP. Also, the
   * scan results may be a bit old, since we can very quickly get fresh
   * information about our currently associated AP.
   */
  if (poll_current && wpa_drv_signal_poll(wpa_s, &si) == 0 &&
      (si.data.avg_beacon_signal || si.data.avg_signal)) {
    /*
     * Normalize avg_signal to the RSSI over 20 MHz, as the
     * throughput is estimated based on the RSSI over 20 MHz
     */
    cur_level = si.data.avg_beacon_signal ?
      si.data.avg_beacon_signal :
      (si.data.avg_signal -
       wpas_channel_width_rssi_bump(cur_ies, cur_ie_len,
                  si.chanwidth));
    cur_snr = wpas_get_snr_signal_info(si.frequency, cur_level,
               si.current_noise);

    cur_est = wpas_get_est_throughput_from_bss_snr(wpa_s,
                     current_bss,
                     cur_snr);
    wpa_dbg(wpa_s, MSG_DEBUG,
      "Using signal poll values for the current BSS: level=%d snr=%d est_throughput=%u",
      cur_level, cur_snr, cur_est);
  } else {
    /* Level and SNR are measured over 20 MHz channel */
    cur_level = current_bss->level;
    cur_snr = current_bss->snr;
    cur_est = current_bss->est_throughput;
  }

  /* Adjust the SNR of BSSes based on the channel width. */
  cur_level += wpas_channel_width_rssi_bump(cur_ies, cur_ie_len,
              current_bss->max_cw);
  cur_snr = wpas_adjust_snr_by_chanwidth(cur_ies, cur_ie_len,
                 current_bss->max_cw, cur_snr);

  sel_est = selected->est_throughput;
  sel_level = selected->level +
    wpas_channel_width_rssi_bump(sel_ies, sel_ie_len,
               selected->max_cw);

  if (sel_est > cur_est + 5000) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "Allow reassociation - selected BSS has better estimated throughput");
    return 1;
  }

  to_5ghz = selected->freq > 4000 && current_bss->freq < 4000;
  to_6ghz = is_6ghz_freq(selected->freq) &&
    !is_6ghz_freq(current_bss->freq);

  if (cur_level < 0 &&
      cur_level > sel_level + to_5ghz * 2 + to_6ghz * 2 &&
      sel_est < cur_est * 1.2) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
      "signal level");
    return 0;
  }

  if (cur_est > sel_est + 5000) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "Skip roam - Current BSS has better estimated throughput");
    return 0;
  }

  if (cur_snr > GREAT_SNR) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "Skip roam - Current BSS has good SNR (%u > %u)",
      cur_snr, GREAT_SNR);
    return 0;
  }

  if (cur_level < -85) /* ..-86 dBm */
    min_diff = 1;
  else if (cur_level < -80) /* -85..-81 dBm */
    min_diff = 2;
  else if (cur_level < -75) /* -80..-76 dBm */
    min_diff = 3;
  else if (cur_level < -70) /* -75..-71 dBm */
    min_diff = 4;
  else if (cur_level < 0) /* -70..-1 dBm */
    min_diff = 5;
  else /* unspecified units (not in dBm) */
    min_diff = 2;

  if (cur_est > sel_est * 1.5)
    min_diff += 10;
  else if (cur_est > sel_est * 1.2)
    min_diff += 5;
  else if (cur_est > sel_est * 1.1)
    min_diff += 2;
  else if (cur_est > sel_est)
    min_diff++;
  else if (sel_est > cur_est * 1.5)
    min_diff -= 10;
  else if (sel_est > cur_est * 1.2)
    min_diff -= 5;
  else if (sel_est > cur_est * 1.1)
    min_diff -= 2;
  else if (sel_est > cur_est)
    min_diff--;

  cur_band_score = wpas_evaluate_band_score(current_bss->freq);
  sel_band_score = wpas_evaluate_band_score(selected->freq);
  min_diff += (cur_band_score - sel_band_score) * 2;
  if (wpa_s->signal_threshold && cur_level <= wpa_s->signal_threshold &&
      sel_level > wpa_s->signal_threshold)
    min_diff -= 2;
  diff = sel_level - cur_level;
  if (diff < min_diff) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "Skip roam - too small difference in signal level (%d < %d)",
      diff, min_diff);
    ret = 0;
  } else {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "Allow reassociation due to difference in signal level (%d >= %d)",
      diff, min_diff);
    ret = 1;
  }
  wpa_msg_ctrl(wpa_s, MSG_INFO, "%scur_bssid=" MACSTR
         " cur_freq=%d cur_level=%d cur_est=%d sel_bssid=" MACSTR
         " sel_freq=%d sel_level=%d sel_est=%d",
         ret ? WPA_EVENT_DO_ROAM : WPA_EVENT_SKIP_ROAM,
         MAC2STR(current_bss->bssid),
         current_bss->freq, cur_level, cur_est,
         MAC2STR(selected->bssid),
         selected->freq, sel_level, sel_est);
  return ret;
}

#endif /* CONFIG_NO_ROAMING */


static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
               struct wpa_bss *selected,
               struct wpa_ssid *ssid)
{
  struct wpa_bss *current_bss = NULL;
  const u8 *bssid;

  if (wpa_s->reassociate)
    return 1; /* explicit request to reassociate */
  if (wpa_s->wpa_state < WPA_ASSOCIATED)
    return 1; /* we are not associated; continue */
  if (wpa_s->current_ssid == NULL)
    return 1; /* unknown current SSID */
  if (wpa_s->current_ssid != ssid)
    return 1; /* different network block */

  if (wpas_driver_bss_selection(wpa_s))
    return 0; /* Driver-based roaming */

  if (wpa_s->valid_links)
    bssid = wpa_s->links[wpa_s->mlo_assoc_link_id].bssid;
  else
    bssid = wpa_s->bssid;

  if (wpa_s->current_ssid->ssid)
    current_bss = wpa_bss_get(wpa_s, bssid,
            wpa_s->current_ssid->ssid,
            wpa_s->current_ssid->ssid_len);
  if (!current_bss)
    current_bss = wpa_bss_get_bssid(wpa_s, bssid);

  if (!current_bss)
    return 1; /* current BSS not seen in scan results */

  if (current_bss == selected)
    return 0;

  if (selected->last_update_idx > current_bss->last_update_idx)
    return 1; /* current BSS not seen in the last scan */

#ifndef CONFIG_NO_ROAMING
  return wpa_supplicant_need_to_roam_within_ess(wpa_s, current_bss,
                  selected, true);
#else /* CONFIG_NO_ROAMING */
  return 0;
#endif /* CONFIG_NO_ROAMING */
}


static int wpas_trigger_6ghz_scan(struct wpa_supplicant *wpa_s,
          union wpa_event_data *data)
{
  struct wpa_driver_scan_params params;
  unsigned int j;

  wpa_dbg(wpa_s, MSG_INFO, "Triggering 6GHz-only scan");
  os_memset(&params, 0, sizeof(params));
  params.non_coloc_6ghz = wpa_s->last_scan_non_coloc_6ghz;
  for (j = 0; j < data->scan_info.num_ssids; j++)
    params.ssids[j] = data->scan_info.ssids[j];
  params.num_ssids = data->scan_info.num_ssids;
  wpa_add_scan_freqs_list(wpa_s, HOSTAPD_MODE_IEEE80211A, &params,
        true, false, false);
  if (!wpa_supplicant_trigger_scan(wpa_s, &params, true, true)) {
    wpa_s->scan_in_progress_6ghz = true;
    wpas_notify_scan_in_progress_6ghz(wpa_s);
    os_free(params.freqs);
    return 1;
  }
  wpa_dbg(wpa_s, MSG_INFO, "Failed to trigger 6GHz-only scan");
  os_free(params.freqs);
  return 0;
}


static bool wpas_short_ssid_match(struct wpa_supplicant *wpa_s,
          struct wpa_scan_results *scan_res)
{
  size_t i;
  struct wpa_ssid *ssid = wpa_s->current_ssid;
  u32 current_ssid_short = ieee80211_crc32(ssid->ssid, ssid->ssid_len);

  for (i = 0; i < scan_res->num; i++) {
    struct wpa_scan_res *res = scan_res->res[i];
    const u8 *rnr_ie, *ie_end;
    const struct ieee80211_neighbor_ap_info *info;
    size_t left;

    rnr_ie = wpa_scan_get_ie(res, WLAN_EID_REDUCED_NEIGHBOR_REPORT);
    if (!rnr_ie)
      continue;

    ie_end = rnr_ie + 2 + rnr_ie[1];
    rnr_ie += 2;

    left = ie_end - rnr_ie;
    if (left < sizeof(struct ieee80211_neighbor_ap_info))
      continue;

    info = (const struct ieee80211_neighbor_ap_info *) rnr_ie;
    if (info->tbtt_info_len < 11)
      continue; /* short SSID not included */
    left -= sizeof(struct ieee80211_neighbor_ap_info);
    rnr_ie += sizeof(struct ieee80211_neighbor_ap_info);

    while (left >= info->tbtt_info_len && rnr_ie + 11 <= ie_end) {
      /* Skip TBTT offset and BSSID */
      u32 short_ssid = WPA_GET_LE32(rnr_ie + 1 + ETH_ALEN);

      if (short_ssid == current_ssid_short)
        return true;

      left -= info->tbtt_info_len;
      rnr_ie += info->tbtt_info_len;
    }
  }

  return false;
}


/*
 * Return a negative value if no scan results could be fetched or if scan
 * results should not be shared with other virtual interfaces.
 * Return 0 if scan results were fetched and may be shared with other
 * interfaces.
 * Return 1 if scan results may be shared with other virtual interfaces but may
 * not trigger any operations.
 * Return 2 if the interface was removed and cannot be used.
 */
static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
                union wpa_event_data *data,
                int own_request, int update_only)
{
  struct wpa_scan_results *scan_res = NULL;
  int ret = 0;
  int ap = 0;
  bool trigger_6ghz_scan;
  bool short_ssid_match_found = false;
#ifndef CONFIG_NO_RANDOM_POOL
  size_t i, num;
#endif /* CONFIG_NO_RANDOM_POOL */

#ifdef CONFIG_AP
  if (wpa_s->ap_iface)
    ap = 1;
#endif /* CONFIG_AP */

  trigger_6ghz_scan = wpa_s->crossed_6ghz_dom &&
    wpa_s->last_scan_all_chan;
  wpa_s->crossed_6ghz_dom = false;
  wpa_s->last_scan_all_chan = false;

  wpa_supplicant_notify_scanning(wpa_s, 0);

  scan_res = wpa_supplicant_get_scan_results(wpa_s,
               data ? &data->scan_info :
               NULL, 1, NULL);

  if (wpa_s->scan_in_progress_6ghz) {
    wpa_s->scan_in_progress_6ghz = false;
    wpas_notify_scan_in_progress_6ghz(wpa_s);
  }

  if (scan_res == NULL) {
    if (wpa_s->conf->ap_scan == 2 || ap ||
        wpa_s->scan_res_handler == scan_only_handler)
      return -1;
    if (!own_request)
      return -1;
    if (data && data->scan_info.external_scan)
      return -1;
    if (wpa_s->scan_res_fail_handler) {
      void (*handler)(struct wpa_supplicant *wpa_s);

      handler = wpa_s->scan_res_fail_handler;
      wpa_s->scan_res_fail_handler = NULL;
      handler(wpa_s);
    } else {
      wpa_dbg(wpa_s, MSG_DEBUG,
        "Failed to get scan results - try scanning again");
      wpa_supplicant_req_new_scan(wpa_s, 1, 0);
    }

    ret = -1;
    goto scan_work_done;
  }

#ifndef CONFIG_NO_RANDOM_POOL
  num = scan_res->num;
  if (num > 10)
    num = 10;
  for (i = 0; i < num; i++) {
    u8 buf[5];
    struct wpa_scan_res *res = scan_res->res[i];
    buf[0] = res->bssid[5];
    buf[1] = res->qual & 0xff;
    buf[2] = res->noise & 0xff;
    buf[3] = res->level & 0xff;
    buf[4] = res->tsf & 0xff;
    random_add_randomness(buf, sizeof(buf));
  }
#endif /* CONFIG_NO_RANDOM_POOL */

  if (data) {
    size_t idx;

    wpa_s->last_scan_external = data->scan_info.external_scan;
    wpa_s->last_scan_num_ssids = data->scan_info.num_ssids;
    for (idx = 0; idx < wpa_s->last_scan_num_ssids; idx++) {
      /* Copy the SSID and its length */
      if (idx >= WPAS_MAX_SCAN_SSIDS ||
          data->scan_info.ssids[idx].ssid_len > SSID_MAX_LEN)
        continue;

      os_memcpy(wpa_s->last_scan_ssids[idx].ssid,
          data->scan_info.ssids[idx].ssid,
          data->scan_info.ssids[idx].ssid_len);
      wpa_s->last_scan_ssids[idx].ssid_len =
        data->scan_info.ssids[idx].ssid_len;
    }
  } else {
    wpa_s->last_scan_external = false;
    wpa_s->last_scan_num_ssids = 0;
  }

  if (update_only) {
    ret = 1;
    goto scan_work_done;
  }

  if (own_request && wpa_s->scan_res_handler &&
      !(data && data->scan_info.external_scan)) {
    void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
           struct wpa_scan_results *scan_res);

    scan_res_handler = wpa_s->scan_res_handler;
    wpa_s->scan_res_handler = NULL;
    scan_res_handler(wpa_s, scan_res);
    ret = 1;
    goto scan_work_done;
  }

  wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
    wpa_s->own_scan_running,
    data ? data->scan_info.external_scan : 0);
  if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
      wpa_s->manual_scan_use_id && wpa_s->own_scan_running &&
      own_request && !(data && data->scan_info.external_scan)) {
    wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
           wpa_s->manual_scan_id);
    wpa_s->manual_scan_use_id = 0;
  } else {
    wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
  }
  wpas_notify_scan_results(wpa_s);

  wpas_notify_scan_done(wpa_s, 1);

  if (ap) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
#ifdef CONFIG_AP
    if (wpa_s->ap_iface->scan_cb)
      wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
#endif /* CONFIG_AP */
    goto scan_work_done;
  }

  if (data && data->scan_info.external_scan) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
    wpa_scan_results_free(scan_res);
    return 0;
  }

  if (sme_proc_obss_scan(wpa_s) > 0)
    goto scan_work_done;

#ifndef CONFIG_NO_RRM
  if (own_request && data &&
      wpas_beacon_rep_scan_process(wpa_s, scan_res, &data->scan_info) > 0)
    goto scan_work_done;
#endif /* CONFIG_NO_RRM */

  if (ml_link_probe_scan(wpa_s))
    goto scan_work_done;

  if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
    goto scan_work_done;

  if (autoscan_notify_scan(wpa_s, scan_res))
    goto scan_work_done;

  if (wpa_s->disconnected) {
    wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
    goto scan_work_done;
  }

  if (!wpas_driver_bss_selection(wpa_s) &&
      bgscan_notify_scan(wpa_s, scan_res) == 1)
    goto scan_work_done;

  wpas_wps_update_ap_info(wpa_s, scan_res);

  if (wnm_scan_process(wpa_s, false) > 0)
    goto scan_work_done;

  if (wpa_s->wpa_state >= WPA_AUTHENTICATING &&
      wpa_s->wpa_state < WPA_COMPLETED)
    goto scan_work_done;

  if (wpa_s->current_ssid && trigger_6ghz_scan && own_request && data &&
      wpas_short_ssid_match(wpa_s, scan_res)) {
    wpa_dbg(wpa_s, MSG_INFO, "Short SSID match in scan results");
    short_ssid_match_found = true;
  }

  wpa_scan_results_free(scan_res);

  if (own_request && wpa_s->scan_work) {
    struct wpa_radio_work *work = wpa_s->scan_work;
    wpa_s->scan_work = NULL;
    radio_work_done(work);
  }

  os_free(wpa_s->last_scan_freqs);
  wpa_s->last_scan_freqs = NULL;
  wpa_s->num_last_scan_freqs = 0;
  if (own_request && data &&
      data->scan_info.freqs && data->scan_info.num_freqs) {
    wpa_s->last_scan_freqs = os_malloc(sizeof(int) *
               data->scan_info.num_freqs);
    if (wpa_s->last_scan_freqs) {
      os_memcpy(wpa_s->last_scan_freqs,
          data->scan_info.freqs,
          sizeof(int) * data->scan_info.num_freqs);
      wpa_s->num_last_scan_freqs = data->scan_info.num_freqs;
    }
  }

  if (wpa_s->supp_pbc_active && !wpas_wps_partner_link_scan_done(wpa_s))
    return ret;

  if (short_ssid_match_found && wpas_trigger_6ghz_scan(wpa_s, data) > 0)
    return 1;

  return wpas_select_network_from_last_scan(wpa_s, 1, own_request,
              trigger_6ghz_scan, data);

scan_work_done:
  wpa_scan_results_free(scan_res);
  if (own_request && wpa_s->scan_work) {
    struct wpa_radio_work *work = wpa_s->scan_work;
    wpa_s->scan_work = NULL;
    radio_work_done(work);
  }
  return ret;
}


/**
 * Select a network from the last scan
 * @wpa_s: Pointer to wpa_supplicant data
 * @new_scan: Whether this function was called right after a scan has finished
 * @own_request: Whether the scan was requested by this interface
 * @trigger_6ghz_scan: Whether to trigger a 6ghz-only scan when applicable
 * @data: Scan data from scan that finished if applicable
 *
 * See _wpa_supplicant_event_scan_results() for return values.
 */
static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
                int new_scan, int own_request,
                bool trigger_6ghz_scan,
                union wpa_event_data *data)
{
  struct wpa_bss *selected;
  struct wpa_ssid *ssid = NULL;
  int time_to_reenable = wpas_reenabled_network_time(wpa_s);

  if (time_to_reenable > 0) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "Postpone network selection by %d seconds since all networks are disabled",
      time_to_reenable);
    eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
    eloop_register_timeout(time_to_reenable, 0,
               wpas_network_reenabled, wpa_s, NULL);
    return 0;
  }

  if (wpa_s->p2p_mgmt)
    return 0; /* no normal connection on p2p_mgmt interface */

  wpa_s->owe_transition_search = 0;
#ifdef CONFIG_OWE
  os_free(wpa_s->owe_trans_scan_freq);
  wpa_s->owe_trans_scan_freq = NULL;
#endif /* CONFIG_OWE */
  selected = wpa_supplicant_pick_network(wpa_s, &ssid, new_scan);

#ifdef CONFIG_MESH
  if (wpa_s->ifmsh) {
    wpa_msg(wpa_s, MSG_INFO,
      "Avoiding join because we already joined a mesh group");
    return 0;
  }
#endif /* CONFIG_MESH */

  if (selected) {
    int skip;
    skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
    if (skip) {
      if (new_scan)
        wpa_supplicant_rsn_preauth_scan_results(wpa_s);
      return 0;
    }

    wpa_s->suitable_network++;

    if (ssid != wpa_s->current_ssid &&
        wpa_s->wpa_state >= WPA_AUTHENTICATING) {
      wpa_s->own_disconnect_req = 1;
      wpa_supplicant_deauthenticate(
        wpa_s, WLAN_REASON_DEAUTH_LEAVING);
    }

    if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
      wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
      return -1;
    }
    wpa_s->supp_pbc_active = false;

    if (new_scan)
      wpa_supplicant_rsn_preauth_scan_results(wpa_s);
    /*
     * Do not allow other virtual radios to trigger operations based
     * on these scan results since we do not want them to start
     * other associations at the same time.
     */
    return 1;
  } else {
    wpa_s->no_suitable_network++;
    wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
    ssid = wpa_supplicant_pick_new_network(wpa_s);
    if (ssid) {
      wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
      wpa_supplicant_associate(wpa_s, NULL, ssid);
      if (new_scan)
        wpa_supplicant_rsn_preauth_scan_results(wpa_s);
    } else if (own_request) {
      if (wpa_s->support_6ghz && trigger_6ghz_scan && data &&
          wpas_trigger_6ghz_scan(wpa_s, data) > 0)
        return 1;

      /*
       * No SSID found. If SCAN results are as a result of
       * own scan request and not due to a scan request on
       * another shared interface, try another scan.
       */
      int timeout_sec = wpa_s->scan_interval;
      int timeout_usec = 0;
#ifdef CONFIG_P2P
      int res;

      res = wpas_p2p_scan_no_go_seen(wpa_s);
      if (res == 2)
        return 2;
      if (res == 1)
        return 0;

      if (wpas_p2p_retry_limit_exceeded(wpa_s))
        return 0;

      if (wpa_s->p2p_in_provisioning ||
          wpa_s->show_group_started ||
          wpa_s->p2p_in_invitation) {
        /*
         * Use shorter wait during P2P Provisioning
         * state and during P2P join-a-group operation
         * to speed up group formation.
         */
        timeout_sec = 0;
        timeout_usec = 250000;
        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
                  timeout_usec);
        return 0;
      }
#endif /* CONFIG_P2P */
#ifdef CONFIG_INTERWORKING
      if (wpa_s->conf->auto_interworking &&
          wpa_s->conf->interworking &&
          wpa_s->conf->cred) {
        wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
          "start ANQP fetch since no matching "
          "networks found");
        wpa_s->network_select = 1;
        wpa_s->auto_network_select = 1;
        interworking_start_fetch_anqp(wpa_s);
        return 1;
      }
#endif /* CONFIG_INTERWORKING */
#ifdef CONFIG_WPS
      if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
        wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
        timeout_sec = 0;
        timeout_usec = 500000;
        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
                  timeout_usec);
        return 0;
      }
#endif /* CONFIG_WPS */
#ifdef CONFIG_OWE
      if (wpa_s->owe_transition_search) {
        wpa_dbg(wpa_s, MSG_DEBUG,
          "OWE: Use shorter wait during transition mode search");
        timeout_sec = 0;
        timeout_usec = 500000;
        if (wpa_s->owe_trans_scan_freq) {
          os_free(wpa_s->next_scan_freqs);
          wpa_s->next_scan_freqs =
            wpa_s->owe_trans_scan_freq;
          wpa_s->owe_trans_scan_freq = NULL;
          timeout_usec = 100000;
        }
        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
                  timeout_usec);
        return 0;
      }
#endif /* CONFIG_OWE */
      if (wpa_supplicant_req_sched_scan(wpa_s))
        wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
                  timeout_usec);

      wpa_msg_ctrl(wpa_s, MSG_INFO,
             WPA_EVENT_NETWORK_NOT_FOUND);
    }
  }
  return 0;
}


static bool equal_scan_freq_list(struct wpa_supplicant *self,
         struct wpa_supplicant *other)
{
  const int *list1, *list2;

  list1 = self->conf->freq_list ? self->conf->freq_list :
    self->last_scan_freqs;
  list2 = other->conf->freq_list ? other->conf->freq_list :
    other->last_scan_freqs;

  return int_array_equal(list1, list2);
}


static int wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
               union wpa_event_data *data)
{
  struct wpa_supplicant *ifs;
  int res;

  res = _wpa_supplicant_event_scan_results(wpa_s, data, 1, 0);
  if (res == 2) {
    /*
     * Interface may have been removed, so must not dereference
     * wpa_s after this.
     */
    return 1;
  }

  if (res < 0) {
    /*
     * If no scan results could be fetched, then no need to
     * notify those interfaces that did not actually request
     * this scan. Similarly, if scan results started a new operation on this
     * interface, do not notify other interfaces to avoid concurrent
     * operations during a connection attempt.
     */
    return 0;
  }

  /*
   * Manual scan requests are more specific to a use case than the
   * normal scan requests; hence, skip updating sibling radios.
   */
  if (wpa_s->last_scan_req == MANUAL_SCAN_REQ)
    return 0;

  /*
   * Check other interfaces to see if they share the same radio and
   * frequency list. If so, they get updated with this same scan info.
   */
  dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
       radio_list) {
    if (ifs != wpa_s && equal_scan_freq_list(wpa_s, ifs)) {
      wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
           "sibling", ifs->ifname);
      res = _wpa_supplicant_event_scan_results(ifs, data, 0,
                 res > 0);
      if (res < 0)
        return 0;
    }
  }

  return 0;
}

#endif /* CONFIG_NO_SCAN_PROCESSING */


int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
{
#ifdef CONFIG_NO_SCAN_PROCESSING
  return -1;
#else /* CONFIG_NO_SCAN_PROCESSING */
  struct os_reltime now;

  wpa_s->ignore_post_flush_scan_res = 0;

  if (wpa_s->last_scan_res_used == 0)
    return -1;

  os_get_reltime(&now);
  if (os_reltime_expired(&now, &wpa_s->last_scan,
             wpa_s->conf->scan_res_valid_for_connect)) {
    wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
    return -1;
  } else if (wpa_s->crossed_6ghz_dom) {
    wpa_printf(MSG_DEBUG, "Fast associate: Crossed 6 GHz domain");
    return -1;
  }

  return wpas_select_network_from_last_scan(wpa_s, 0, 1, false, NULL);
#endif /* CONFIG_NO_SCAN_PROCESSING */
}


int wpa_wps_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
{
#ifdef CONFIG_NO_SCAN_PROCESSING
  return -1;
#else /* CONFIG_NO_SCAN_PROCESSING */
  return wpas_select_network_from_last_scan(wpa_s, 1, 1, false, NULL);
#endif /* CONFIG_NO_SCAN_PROCESSING */
}


#ifdef CONFIG_WNM

static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
{
  struct wpa_supplicant *wpa_s = eloop_ctx;

  if (wpa_s->wpa_state < WPA_ASSOCIATED)
    return;

  if (!wpa_s->no_keep_alive) {
    wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
         MAC2STR(wpa_s->bssid));
    /* TODO: could skip this if normal data traffic has been sent */
    /* TODO: Consider using some more appropriate data frame for
     * this */
    if (wpa_s->l2)
      l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
               (u8 *) "", 0);
  }

#ifdef CONFIG_SME
  if (wpa_s->sme.bss_max_idle_period) {
    unsigned int msec;
    msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
    if (msec > 100)
      msec -= 100;
    eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
               wnm_bss_keep_alive, wpa_s, NULL);
  }
#endif /* CONFIG_SME */
}


static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
           const u8 *ies, size_t ies_len)
{
  struct ieee802_11_elems elems;

  if (ies == NULL)
    return;

  if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
    return;

#ifdef CONFIG_SME
  if (elems.bss_max_idle_period) {
    unsigned int msec;
    wpa_s->sme.bss_max_idle_period =
      WPA_GET_LE16(elems.bss_max_idle_period);
    wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
         "TU)%s", wpa_s->sme.bss_max_idle_period,
         (elems.bss_max_idle_period[2] & 0x01) ?
         " (protected keep-live required)" : "");
    if (wpa_s->sme.bss_max_idle_period == 0)
      wpa_s->sme.bss_max_idle_period = 1;
    if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
      eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
       /* msec times 1000 */
      msec = wpa_s->sme.bss_max_idle_period * 1024;
      if (msec > 100)
        msec -= 100;
      eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
                 wnm_bss_keep_alive, wpa_s,
                 NULL);
    }
  } else {
    wpa_s->sme.bss_max_idle_period = 0;
  }
#endif /* CONFIG_SME */
}

#endif /* CONFIG_WNM */


void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
{
#ifdef CONFIG_WNM
  eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
#endif /* CONFIG_WNM */
}


static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
          size_t len)
{
  int res;

  wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
  res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
  if (res) {
    wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
  }

  return res;
}


static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
              const u8 *ies, size_t ies_len)
{
  struct ieee802_11_elems elems;

  if (ies == NULL)
    return;

  if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
    return;

  if (elems.qos_map_set) {
    wpas_qos_map_set(wpa_s, elems.qos_map_set,
         elems.qos_map_set_len);
  }
}


static void wpa_supplicant_set_4addr_mode(struct wpa_supplicant *wpa_s)
{
  if (wpa_s->enabled_4addr_mode) {
    wpa_printf(MSG_DEBUG, "4addr mode already set");
    return;
  }

  if (wpa_drv_set_4addr_mode(wpa_s, 1) < 0) {
    wpa_msg(wpa_s, MSG_ERROR, "Failed to set 4addr mode");
    goto fail;
  }
  wpa_s->enabled_4addr_mode = 1;
  wpa_dbg(wpa_s, MSG_DEBUG, "Successfully set 4addr mode");
  return;

fail:
  wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
}


static void multi_ap_process_assoc_resp(struct wpa_supplicant *wpa_s,
          const u8 *ies, size_t ies_len)
{
  struct ieee802_11_elems elems;
  struct multi_ap_params multi_ap;
  u16 status;

  wpa_s->multi_ap_ie = 0;

  if (!ies ||
      ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed ||
      !elems.multi_ap)
    return;

  status = check_multi_ap_ie(elems.multi_ap + 4, elems.multi_ap_len - 4,
           &multi_ap);
  if (status != WLAN_STATUS_SUCCESS)
    return;

  wpa_s->multi_ap_backhaul = !!(multi_ap.capability &
              MULTI_AP_BACKHAUL_BSS);
  wpa_s->multi_ap_fronthaul = !!(multi_ap.capability &
               MULTI_AP_FRONTHAUL_BSS);
  wpa_s->multi_ap_ie = 1;
}


static void multi_ap_set_4addr_mode(struct wpa_supplicant *wpa_s)
{
  if (!wpa_s->current_ssid ||
      !wpa_s->current_ssid->multi_ap_backhaul_sta)
    return;

  if (!wpa_s->multi_ap_ie) {
    wpa_printf(MSG_INFO,
         "AP does not include valid Multi-AP element");
    goto fail;
  }

  if (!wpa_s->multi_ap_backhaul) {
    if (wpa_s->multi_ap_fronthaul &&
        wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
      wpa_printf(MSG_INFO,
           "WPS active, accepting fronthaul-only BSS");
      /* Don't set 4addr mode in this case, so just return */
      return;
    }
    wpa_printf(MSG_INFO, "AP doesn't support backhaul BSS");
    goto fail;
  }

  wpa_supplicant_set_4addr_mode(wpa_s);
  return;

fail:
  wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
}


#ifdef CONFIG_FST
static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
        const u8 *ie, size_t ie_len)
{
  struct mb_ies_info mb_ies;

  if (!ie || !ie_len || !wpa_s->fst)
      return -ENOENT;

  os_memset(&mb_ies, 0, sizeof(mb_ies));

  while (ie_len >= 2 && mb_ies.nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
    size_t len;

    len = 2 + ie[1];
    if (len > ie_len) {
      wpa_hexdump(MSG_DEBUG, "FST: Truncated IE found",
            ie, ie_len);
      break;
    }

    if (ie[0] == WLAN_EID_MULTI_BAND) {
      wpa_printf(MSG_DEBUG, "MB IE of %u bytes found",
           (unsigned int) len);
      mb_ies.ies[mb_ies.nof_ies].ie = ie + 2;
      mb_ies.ies[mb_ies.nof_ies].ie_len = len - 2;
      mb_ies.nof_ies++;
    }

    ie_len -= len;
    ie += len;
  }

  if (mb_ies.nof_ies > 0) {
    wpabuf_free(wpa_s->received_mb_ies);
    wpa_s->received_mb_ies = mb_ies_by_info(&mb_ies);
    return 0;
  }

  return -ENOENT;
}
#endif /* CONFIG_FST */


static int wpa_supplicant_use_own_rsne_params(struct wpa_supplicant *wpa_s,
                union wpa_event_data *data)
{
  int sel;
  const u8 *p;
  int l, len;
  bool found = false;
  struct wpa_ie_data ie;
  struct wpa_ssid *ssid = wpa_s->current_ssid;
  struct wpa_bss *bss = wpa_s->current_bss;
  int pmf;

  if (!ssid)
    return 0;

  p = data->assoc_info.req_ies;
  l = data->assoc_info.req_ies_len;

  while (p && l >= 2) {
    len = p[1] + 2;
    if (len > l) {
      wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
            p, l);
      break;
    }
    if (((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
          (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
         (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
          (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
         (p[0] == WLAN_EID_RSN && p[1] >= 2))) {
      found = true;
      break;
    }
    l -= len;
    p += len;
  }

  if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0) {
    wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_OCV, 0);
    return 0;
  }

  wpa_hexdump(MSG_DEBUG,
        "WPA: Update cipher suite selection based on IEs in driver-generated WPA/RSNE in AssocReq",
        p, l);

  /* Update proto from (Re)Association Request frame info */
  wpa_s->wpa_proto = ie.proto;
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, wpa_s->wpa_proto);
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED,
       !!(wpa_s->wpa_proto & WPA_PROTO_RSN));

  /* Update AKMP suite from (Re)Association Request frame info */
  sel = ie.key_mgmt;
  if (ssid->key_mgmt)
    sel &= ssid->key_mgmt;

  wpa_dbg(wpa_s, MSG_DEBUG,
    "WPA: AP key_mgmt 0x%x network key_mgmt 0x%x; available key_mgmt 0x%x",
    ie.key_mgmt, ssid->key_mgmt, sel);
  if (ie.key_mgmt && !sel) {
    wpa_supplicant_deauthenticate(
      wpa_s, WLAN_REASON_AKMP_NOT_VALID);
    return -1;
  }

#ifdef CONFIG_OCV
  if (((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) ||
       (wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_OCV)) && ssid->ocv)
    wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_OCV,
         !!(ie.capabilities & WPA_CAPABILITY_OCVC));
#endif /* CONFIG_OCV */

  /*
   * Update PMK in wpa_sm and the driver if roamed to WPA/WPA2 PSK from a
   * different AKM.
   */
  if (wpa_s->key_mgmt != ie.key_mgmt &&
      wpa_key_mgmt_wpa_psk_no_sae(ie.key_mgmt)) {
    if (!ssid->psk_set) {
      wpa_dbg(wpa_s, MSG_INFO,
        "No PSK available for association");
      wpas_auth_failed(wpa_s, "NO_PSK_AVAILABLE", NULL);
      return -1;
    }

    wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN, NULL, NULL);
    if (wpa_s->conf->key_mgmt_offload &&
        (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD) &&
        wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0,
            ssid->psk, PMK_LEN, KEY_FLAG_PMK))
      wpa_dbg(wpa_s, MSG_ERROR,
        "WPA: Cannot set PMK for key management offload");
  }

  wpa_s->key_mgmt = ie.key_mgmt;
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
  wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT %s and proto %d",
    wpa_key_mgmt_txt(wpa_s->key_mgmt, wpa_s->wpa_proto),
    wpa_s->wpa_proto);

  /* Update pairwise cipher from (Re)Association Request frame info */
  sel = ie.pairwise_cipher;
  if (ssid->pairwise_cipher)
    sel &= ssid->pairwise_cipher;

  wpa_dbg(wpa_s, MSG_DEBUG,
    "WPA: AP pairwise cipher 0x%x network pairwise cipher 0x%x; available pairwise cipher 0x%x",
    ie.pairwise_cipher, ssid->pairwise_cipher, sel);
  if (ie.pairwise_cipher && !sel) {
    wpa_supplicant_deauthenticate(
      wpa_s, WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID);
    return -1;
  }

  wpa_s->pairwise_cipher = ie.pairwise_cipher;
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
       wpa_s->pairwise_cipher);
  wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s",
    wpa_cipher_txt(wpa_s->pairwise_cipher));

  /* Update other parameters based on AP's WPA IE/RSNE, if available */
  if (!bss) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "WPA: current_bss == NULL - skip AP IE check");
    return 0;
  }

  /* Update GTK and IGTK from AP's RSNE */
  found = false;

  if (wpa_s->wpa_proto & WPA_PROTO_RSN) {
    const u8 *bss_rsn;

    bss_rsn = wpa_bss_get_rsne(wpa_s, bss, ssid,
             wpa_s->valid_links);
    if (bss_rsn) {
      p = bss_rsn;
      len = 2 + bss_rsn[1];
      found = true;
    }
  } else if (wpa_s->wpa_proto & WPA_PROTO_WPA) {
    const u8 *bss_wpa;

    bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
    if (bss_wpa) {
      p = bss_wpa;
      len = 2 + bss_wpa[1];
      found = true;
    }
  }

  if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0)
    return 0;

  pmf = wpas_get_ssid_pmf(wpa_s, ssid);
  if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
      pmf == MGMT_FRAME_PROTECTION_REQUIRED) {
    /* AP does not support MFP, local configuration requires it */
    wpa_supplicant_deauthenticate(
      wpa_s, WLAN_REASON_INVALID_RSN_IE_CAPAB);
    return -1;
  }
  if ((ie.capabilities & WPA_CAPABILITY_MFPR) &&
      pmf == NO_MGMT_FRAME_PROTECTION) {
    /* AP requires MFP, local configuration disables it */
    wpa_supplicant_deauthenticate(
      wpa_s, WLAN_REASON_INVALID_RSN_IE_CAPAB);
    return -1;
  }

  /* Update PMF from local configuration now that MFP validation was done
   * above */
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, pmf);

  /* Update GTK from AP's RSNE */
  sel = ie.group_cipher;
  if (ssid->group_cipher)
    sel &= ssid->group_cipher;

  wpa_dbg(wpa_s, MSG_DEBUG,
    "WPA: AP group cipher 0x%x network group cipher 0x%x; available group cipher 0x%x",
    ie.group_cipher, ssid->group_cipher, sel);
  if (ie.group_cipher && !sel) {
    wpa_supplicant_deauthenticate(
      wpa_s, WLAN_REASON_GROUP_CIPHER_NOT_VALID);
    return -1;
  }

  wpa_s->group_cipher = ie.group_cipher;
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
  wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s",
    wpa_cipher_txt(wpa_s->group_cipher));

  /* Update IGTK from AP RSN IE */
  sel = ie.mgmt_group_cipher;
  if (ssid->group_mgmt_cipher)
    sel &= ssid->group_mgmt_cipher;

  wpa_dbg(wpa_s, MSG_DEBUG,
    "WPA: AP mgmt_group_cipher 0x%x network mgmt_group_cipher 0x%x; available mgmt_group_cipher 0x%x",
    ie.mgmt_group_cipher, ssid->group_mgmt_cipher, sel);

  if (pmf == NO_MGMT_FRAME_PROTECTION ||
      !(ie.capabilities & WPA_CAPABILITY_MFPC)) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "WPA: STA/AP is not MFP capable; AP RSNE caps 0x%x",
      ie.capabilities);
    ie.mgmt_group_cipher = 0;
  }

  if (ie.mgmt_group_cipher && !sel) {
    wpa_supplicant_deauthenticate(
      wpa_s, WLAN_REASON_CIPHER_SUITE_REJECTED);
    return -1;
  }

  wpa_s->mgmt_group_cipher = ie.mgmt_group_cipher;
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
       wpa_s->mgmt_group_cipher);
  if (wpa_s->mgmt_group_cipher)
    wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher %s",
      wpa_cipher_txt(wpa_s->mgmt_group_cipher));
  else
    wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher");

  return 0;
}


static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
            union wpa_event_data *data)
{
  int l, len, found = 0, wpa_found, rsn_found;
#ifndef CONFIG_NO_WPA
  int found_x = 0;
#endif /* CONFIG_NO_WPA */
  const u8 *p, *ie;
  u8 bssid[ETH_ALEN];
  bool bssid_known;
  enum wpa_rsn_override rsn_override;

  wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
  wpa_s->ssid_verified = false;
  wpa_s->bigtk_set = false;
#ifdef CONFIG_SAE
#ifdef CONFIG_SME
  /* SAE H2E binds the SSID into PT and that verifies the SSID
   * implicitly. */
  if (wpa_s->sme.sae.state == SAE_ACCEPTED && wpa_s->sme.sae.h2e)
    wpa_s->ssid_verified = true;
#endif /* CONFIG_SME */
#endif /* CONFIG_SAE */
  bssid_known = wpa_drv_get_bssid(wpa_s, bssid) == 0;
  if (data->assoc_info.req_ies)
    wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
          data->assoc_info.req_ies_len);
  if (data->assoc_info.resp_ies) {
    wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
          data->assoc_info.resp_ies_len);
#ifdef CONFIG_TDLS
    wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
          data->assoc_info.resp_ies_len);
#endif /* CONFIG_TDLS */
#ifdef CONFIG_WNM
    wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
               data->assoc_info.resp_ies_len);
#endif /* CONFIG_WNM */
    interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
            data->assoc_info.resp_ies_len);
    if ((wpa_s->hw_capab & BIT(CAPAB_VHT)) &&
        get_ie(data->assoc_info.resp_ies,
         data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP))
      wpa_s->ieee80211ac = 1;

    multi_ap_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
              data->assoc_info.resp_ies_len);
  }
  if (data->assoc_info.beacon_ies)
    wpa_hexdump(MSG_DEBUG, "beacon_ies",
          data->assoc_info.beacon_ies,
          data->assoc_info.beacon_ies_len);
  if (data->assoc_info.freq)
    wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
      data->assoc_info.freq);

  wpa_s->connection_set = 0;
  if (data->assoc_info.req_ies && data->assoc_info.resp_ies) {
    struct ieee802_11_elems req_elems, resp_elems;

    if (ieee802_11_parse_elems(data->assoc_info.req_ies,
             data->assoc_info.req_ies_len,
             &req_elems, 0) != ParseFailed &&
        ieee802_11_parse_elems(data->assoc_info.resp_ies,
             data->assoc_info.resp_ies_len,
             &resp_elems, 0) != ParseFailed) {
      wpa_s->connection_set = 1;
      wpa_s->connection_ht = req_elems.ht_capabilities &&
        resp_elems.ht_capabilities;
      /* Do not include subset of VHT on 2.4 GHz vendor
       * extension in consideration for reporting VHT
       * association. */
      wpa_s->connection_vht = req_elems.vht_capabilities &&
        resp_elems.vht_capabilities &&
        (!data->assoc_info.freq ||
         wpas_freq_to_band(data->assoc_info.freq) !=
         BAND_2_4_GHZ);
      wpa_s->connection_he = req_elems.he_capabilities &&
        resp_elems.he_capabilities;
      wpa_s->connection_eht = req_elems.eht_capabilities &&
        resp_elems.eht_capabilities;
      if (req_elems.rrm_enabled)
        wpa_s->rrm.rrm_used = 1;
    }
  }

  p = data->assoc_info.req_ies;
  l = data->assoc_info.req_ies_len;

  /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
  while (p && l >= 2) {
    len = p[1] + 2;
    if (len > l) {
      wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
            p, l);
      break;
    }
    if (!found &&
        ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
          (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
         (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 4 &&
          (os_memcmp(&p[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
         (p[0] == WLAN_EID_RSN && p[1] >= 2))) {
      if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
        break;
      found = 1;
      wpa_find_assoc_pmkid(wpa_s);
    }
#ifndef CONFIG_NO_WPA
    if (!found_x && p[0] == WLAN_EID_RSNX) {
      if (wpa_sm_set_assoc_rsnxe(wpa_s->wpa, p, len))
        break;
      found_x = 1;
    }
#endif /* CONFIG_NO_WPA */
    l -= len;
    p += len;
  }
  if (!found && data->assoc_info.req_ies)
    wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
#ifndef CONFIG_NO_WPA
  if (!found_x && data->assoc_info.req_ies)
    wpa_sm_set_assoc_rsnxe(wpa_s->wpa, NULL, 0);
#endif /* CONFIG_NO_WPA */

  rsn_override = RSN_OVERRIDE_NOT_USED;
  ie = get_vendor_ie(data->assoc_info.req_ies,
         data->assoc_info.req_ies_len,
         RSN_SELECTION_IE_VENDOR_TYPE);
  if (ie && ie[1] >= 4 + 1) {
    switch (ie[2 + 4]) {
    case RSN_SELECTION_RSNE:
      rsn_override = RSN_OVERRIDE_RSNE;
      break;
    case RSN_SELECTION_RSNE_OVERRIDE:
      rsn_override = RSN_OVERRIDE_RSNE_OVERRIDE;
      break;
    case RSN_SELECTION_RSNE_OVERRIDE_2:
      rsn_override = RSN_OVERRIDE_RSNE_OVERRIDE_2;
      break;
    }
  }
  wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_OVERRIDE, rsn_override);

#ifdef CONFIG_FILS
#ifdef CONFIG_SME
  if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
      wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS) {
    if (!data->assoc_info.resp_frame ||
        fils_process_assoc_resp(wpa_s->wpa,
              data->assoc_info.resp_frame,
              data->assoc_info.resp_frame_len) <
        0) {
      wpa_supplicant_deauthenticate(wpa_s,
                  WLAN_REASON_UNSPECIFIED);
      return -1;
    }

    /* FILS use of an AEAD cipher include the SSID element in
     * (Re)Association Request frame in the AAD and since the AP
     * accepted that, the SSID was verified. */
    wpa_s->ssid_verified = true;
  }
#endif /* CONFIG_SME */

  /* Additional processing for FILS when SME is in driver */
  if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS &&
      !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
    wpa_sm_set_reset_fils_completed(wpa_s->wpa, 1);
#endif /* CONFIG_FILS */

#ifdef CONFIG_OWE
  if (wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
      !(wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_OWE_OFFLOAD_STA) &&
      (!bssid_known ||
       owe_process_assoc_resp(wpa_s->wpa,
            wpa_s->valid_links ?
            wpa_s->ap_mld_addr : bssid,
            data->assoc_info.resp_ies,
            data->assoc_info.resp_ies_len) < 0)) {
    wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_UNSPECIFIED);
    return -1;
  }
#endif /* CONFIG_OWE */

#ifdef CONFIG_DPP2
  wpa_sm_set_dpp_z(wpa_s->wpa, NULL);
  if (DPP_VERSION > 1 && wpa_s->key_mgmt == WPA_KEY_MGMT_DPP &&
      wpa_s->dpp_pfs) {
    struct ieee802_11_elems elems;

    if (ieee802_11_parse_elems(data->assoc_info.resp_ies,
             data->assoc_info.resp_ies_len,
             &elems, 0) == ParseFailed ||
        !elems.owe_dh)
      goto no_pfs;
    if (dpp_pfs_process(wpa_s->dpp_pfs, elems.owe_dh,
            elems.owe_dh_len) < 0) {
      wpa_supplicant_deauthenticate(wpa_s,
                  WLAN_REASON_UNSPECIFIED);
      return -1;
    }

    wpa_sm_set_dpp_z(wpa_s->wpa, wpa_s->dpp_pfs->secret);
  }
no_pfs:
#endif /* CONFIG_DPP2 */

#ifdef CONFIG_IEEE80211R
#ifdef CONFIG_SME
  if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
    if (!bssid_known ||
        wpa_ft_validate_reassoc_resp(wpa_s->wpa,
             data->assoc_info.resp_ies,
             data->assoc_info.resp_ies_len,
             bssid) < 0) {
      wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
        "Reassociation Response failed");
      wpa_supplicant_deauthenticate(
        wpa_s, WLAN_REASON_INVALID_IE);
      return -1;
    }
    /* SSID is included in PMK-R0 derivation, so it is verified
     * implicitly. */
    wpa_s->ssid_verified = true;
  }

  p = data->assoc_info.resp_ies;
  l = data->assoc_info.resp_ies_len;

#ifdef CONFIG_WPS_STRICT
  if (p && wpa_s->current_ssid &&
      wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
    struct wpabuf *wps;
    wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
    if (wps == NULL) {
      wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
        "include WPS IE in (Re)Association Response");
      return -1;
    }

    if (wps_validate_assoc_resp(wps) < 0) {
      wpabuf_free(wps);
      wpa_supplicant_deauthenticate(
        wpa_s, WLAN_REASON_INVALID_IE);
      return -1;
    }
    wpabuf_free(wps);
  }
#endif /* CONFIG_WPS_STRICT */

  /* Go through the IEs and make a copy of the MDIE, if present. */
  while (p && l >= 2) {
    len = p[1] + 2;
    if (len > l) {
      wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
            p, l);
      break;
    }
    if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
        p[1] >= MOBILITY_DOMAIN_ID_LEN) {
      wpa_s->sme.ft_used = 1;
      os_memcpy(wpa_s->sme.mobility_domain, p + 2,
          MOBILITY_DOMAIN_ID_LEN);
      break;
    }
    l -= len;
    p += len;
  }
#endif /* CONFIG_SME */

  /* Process FT when SME is in the driver */
  if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
      wpa_ft_is_completed(wpa_s->wpa)) {
    if (!bssid_known ||
        wpa_ft_validate_reassoc_resp(wpa_s->wpa,
             data->assoc_info.resp_ies,
             data->assoc_info.resp_ies_len,
             bssid) < 0) {
      wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
        "Reassociation Response failed");
      wpa_supplicant_deauthenticate(
        wpa_s, WLAN_REASON_INVALID_IE);
      return -1;
    }
    wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
    /* SSID is included in PMK-R0 derivation, so it is verified
     * implicitly. */
    wpa_s->ssid_verified = true;
  }

  wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
           data->assoc_info.resp_ies_len);
#endif /* CONFIG_IEEE80211R */

#ifndef CONFIG_NO_ROBUST_AV
  if (bssid_known)
    wpas_handle_assoc_resp_mscs(wpa_s, bssid,
              data->assoc_info.resp_ies,
              data->assoc_info.resp_ies_len);
#endif /* CONFIG_NO_ROBUST_AV */

  /* WPA/RSN IE from Beacon/ProbeResp */
  p = data->assoc_info.beacon_ies;
  l = data->assoc_info.beacon_ies_len;

  /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
   */
  wpa_found = rsn_found = 0;
  while (p && l >= 2) {
    len = p[1] + 2;
    if (len > l) {
      wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
            p, l);
      break;
    }
    if (!wpa_found &&
        p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
        os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
      wpa_found = 1;
      wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
    }

    if (!rsn_found &&
        p[0] == WLAN_EID_RSN && p[1] >= 2) {
      rsn_found = 1;
      wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
    }

    if (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
        WPA_GET_BE32(&p[2]) == RSNE_OVERRIDE_2_IE_VENDOR_TYPE)
      wpa_sm_set_ap_rsne_override_2(wpa_s->wpa, p, len);

    if (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
        WPA_GET_BE32(&p[2]) == RSNE_OVERRIDE_IE_VENDOR_TYPE)
      wpa_sm_set_ap_rsne_override(wpa_s->wpa, p, len);

    if (p[0] == WLAN_EID_RSNX && p[1] >= 1)
      wpa_sm_set_ap_rsnxe(wpa_s->wpa, p, len);

    if (p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
        WPA_GET_BE32(&p[2]) == RSNXE_OVERRIDE_IE_VENDOR_TYPE)
      wpa_sm_set_ap_rsnxe_override(wpa_s->wpa, p, len);

    l -= len;
    p += len;
  }

  if (!wpa_found && data->assoc_info.beacon_ies)
    wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
  if (!rsn_found && data->assoc_info.beacon_ies) {
    wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
    wpa_sm_set_ap_rsnxe(wpa_s->wpa, NULL, 0);
    wpa_sm_set_ap_rsne_override(wpa_s->wpa, NULL, 0);
    wpa_sm_set_ap_rsne_override_2(wpa_s->wpa, NULL, 0);
    wpa_sm_set_ap_rsnxe_override(wpa_s->wpa, NULL, 0);
  }
  if (wpa_found || rsn_found)
    wpa_s->ap_ies_from_associnfo = 1;

  if (wpa_s->assoc_freq && data->assoc_info.freq) {
    struct wpa_bss *bss;
    unsigned int freq = 0;

    if (bssid_known) {
      bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
      if (bss)
        freq = bss->freq;
    }
    if (freq != data->assoc_info.freq) {
      wpa_printf(MSG_DEBUG,
           "Operating frequency changed from %u to %u MHz",
           wpa_s->assoc_freq, data->assoc_info.freq);
      wpa_supplicant_update_scan_results(wpa_s, bssid);
    }
  }

  wpa_s->assoc_freq = data->assoc_info.freq;

#ifndef CONFIG_NO_ROBUST_AV
  wpas_handle_assoc_resp_qos_mgmt(wpa_s, data->assoc_info.resp_ies,
          data->assoc_info.resp_ies_len);
#endif /* CONFIG_NO_ROBUST_AV */

  return 0;
}


static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
{
  const u8 *bss_wpa = NULL, *bss_rsn = NULL, *bss_rsnx = NULL;
  const u8 *rsnoe, *rsno2e, *rsnxoe;

  if (!wpa_s->current_bss || !wpa_s->current_ssid)
    return -1;

  if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
    return 0;

  bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
          WPA_IE_VENDOR_TYPE);
  bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
  bss_rsnx = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSNX);
  rsnoe = wpa_bss_get_vendor_ie(wpa_s->current_bss,
              RSNE_OVERRIDE_IE_VENDOR_TYPE);
  rsno2e = wpa_bss_get_vendor_ie(wpa_s->current_bss,
               RSNE_OVERRIDE_2_IE_VENDOR_TYPE);
  rsnxoe = wpa_bss_get_vendor_ie(wpa_s->current_bss,
               RSNXE_OVERRIDE_IE_VENDOR_TYPE);

  if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
         bss_wpa ? 2 + bss_wpa[1] : 0) ||
      wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
         bss_rsn ? 2 + bss_rsn[1] : 0) ||
      wpa_sm_set_ap_rsnxe(wpa_s->wpa, bss_rsnx,
         bss_rsnx ? 2 + bss_rsnx[1] : 0) ||
      wpa_sm_set_ap_rsne_override(wpa_s->wpa, rsnoe,
          rsnoe ? 2 + rsnoe[1] : 0) ||
      wpa_sm_set_ap_rsne_override_2(wpa_s->wpa, rsno2e,
            rsno2e ? 2 + rsno2e[1] : 0) ||
      wpa_sm_set_ap_rsnxe_override(wpa_s->wpa, rsnxoe,
           rsnxoe ? 2 + rsnxoe[1] : 0))
    return -1;

  return 0;
}


static void wpas_fst_update_mb_assoc(struct wpa_supplicant *wpa_s,
             union wpa_event_data *data)
{
#ifdef CONFIG_FST
  struct assoc_info *ai = data ? &data->assoc_info : NULL;
  struct wpa_bss *bss = wpa_s->current_bss;
  const u8 *ieprb, *iebcn;

  wpabuf_free(wpa_s->received_mb_ies);
  wpa_s->received_mb_ies = NULL;

  if (ai &&
      !wpas_fst_update_mbie(wpa_s, ai->resp_ies, ai->resp_ies_len)) {
    wpa_printf(MSG_DEBUG,
         "FST: MB IEs updated from Association Response frame");
    return;
  }

  if (ai &&
      !wpas_fst_update_mbie(wpa_s, ai->beacon_ies, ai->beacon_ies_len)) {
    wpa_printf(MSG_DEBUG,
         "FST: MB IEs updated from association event Beacon IEs");
    return;
  }

  if (!bss)
    return;

  ieprb = wpa_bss_ie_ptr(bss);
  iebcn = ieprb + bss->ie_len;

  if (!wpas_fst_update_mbie(wpa_s, ieprb, bss->ie_len))
    wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss IE");
  else if (!wpas_fst_update_mbie(wpa_s, iebcn, bss->beacon_ie_len))
    wpa_printf(MSG_DEBUG, "FST: MB IEs updated from bss beacon IE");
#endif /* CONFIG_FST */
}


static unsigned int wpas_ml_parse_assoc(struct wpa_supplicant *wpa_s,
          struct ieee802_11_elems *elems,
          struct ml_sta_link_info *ml_info)
{
  struct wpabuf *mlbuf;
  struct ieee80211_eht_ml *ml;
  size_t ml_len;
  struct eht_ml_basic_common_info *common_info;
  const u8 *pos;
  u16 eml_capa = 0, mld_capa = 0;
  const u16 control = MULTI_LINK_CONTROL_TYPE_BASIC |
    BASIC_MULTI_LINK_CTRL_PRES_LINK_ID |
    BASIC_MULTI_LINK_CTRL_PRES_BSS_PARAM_CH_COUNT;
  u8 expected_common_info_len = 9;
  unsigned int i = 0;
  u16 ml_control;

  if (!wpa_s->valid_links || !elems->basic_mle || !elems->basic_mle_len)
    return 0;

  mlbuf = ieee802_11_defrag(elems->basic_mle, elems->basic_mle_len, true);
  if (!mlbuf)
    return 0;

  ml = (struct ieee80211_eht_ml *) wpabuf_head(mlbuf);
  ml_len = wpabuf_len(mlbuf);
  if (ml_len < sizeof(*ml))
    goto out;

  os_memset(ml_info, 0, sizeof(*ml_info) * MAX_NUM_MLD_LINKS);

  ml_control = le_to_host16(ml->ml_control);

  if ((ml_control & control) != control) {
    wpa_printf(MSG_DEBUG, "MLD: Invalid presence BM=0x%x",
         ml_control);
    goto out;
  }

  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_EML_CAPA) {
    wpa_printf(MSG_DEBUG, "MLD: EML capabilities included");
    expected_common_info_len += 2;
  }

  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MLD_CAPA) {
    wpa_printf(MSG_DEBUG, "MLD: MLD capabilities included");
    expected_common_info_len += 2;
  }

  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MSD_INFO) {
    wpa_printf(MSG_DEBUG,
         "MLD: Unexpected: medium sync delay info present");
    expected_common_info_len += 2;
  }

  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_AP_MLD_ID) {
    wpa_printf(MSG_DEBUG,
         "MLD: Unexpected: MLD ID present");
    expected_common_info_len++;
  }

  if (sizeof(*ml) + expected_common_info_len > ml_len) {
    wpa_printf(MSG_DEBUG,
         "MLD: Not enough bytes for common info. ml_len=%zu",
         ml_len);
    goto out;
  }

  common_info = (struct eht_ml_basic_common_info *) ml->variable;
  if (common_info->len < expected_common_info_len) {
    wpa_printf(MSG_DEBUG,
         "MLD: Invalid common info len=%u. expected=%u",
         common_info->len, expected_common_info_len);
    goto out;
  }

  wpa_printf(MSG_DEBUG, "MLD: address: " MACSTR,
       MAC2STR(common_info->mld_addr));

  if (!ether_addr_equal(wpa_s->ap_mld_addr, common_info->mld_addr)) {
    wpa_printf(MSG_DEBUG, "MLD: Mismatching MLD address (expected "
         MACSTR ")", MAC2STR(wpa_s->ap_mld_addr));
    goto out;
  }

  pos = common_info->variable;

  /* Store the information for the association link */
  ml_info[i].link_id = *pos;
  pos++;

  /* Skip the BSS Parameters Change Count */
  pos++;

  /* Skip the Medium Synchronization Delay Information if present  */
  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MSD_INFO)
    pos += 2;

  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_EML_CAPA) {
    eml_capa = WPA_GET_LE16(pos);
    pos += 2;
  }

  if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MLD_CAPA) {
    mld_capa = WPA_GET_LE16(pos);
    pos += 2;
  }

  wpa_printf(MSG_DEBUG,
       "MLD: link_id=%u, eml=0x%x, mld=0x%x",
       ml_info[i].link_id, eml_capa, mld_capa);

  i++;

  pos = ((u8 *) common_info) + common_info->len;
  ml_len -= sizeof(*ml) + common_info->len;
  while (ml_len > 2 && i < MAX_NUM_MLD_LINKS) {
    size_t sub_elem_len, sta_info_len, sta_info_len_min;
    u8 nstr_bitmap_len = 0;
    u16 ctrl;
    const u8 *end;
    int num_frag_subelems;

    num_frag_subelems =
      ieee802_11_defrag_mle_subelem(mlbuf, pos,
                  &sub_elem_len);
    if (num_frag_subelems < 0) {
      wpa_printf(MSG_DEBUG,
           "MLD: Failed to parse MLE subelem");
      goto out;
    }

    ml_len -= num_frag_subelems * 2;

    wpa_printf(MSG_DEBUG, "MLD: Subelement len=%zu", sub_elem_len);

    if (sub_elem_len > ml_len - 2) {
      wpa_printf(MSG_DEBUG,
           "MLD: Invalid link info len: %zu > %zu",
           2 + sub_elem_len, ml_len);
      goto out;
    }

    switch (*pos) {
    case EHT_ML_SUB_ELEM_PER_STA_PROFILE:
      break;
    case EHT_ML_SUB_ELEM_FRAGMENT:
    case EHT_ML_SUB_ELEM_VENDOR:
      wpa_printf(MSG_DEBUG,
           "MLD: Skip subelement id=%u, len=%zu",
           *pos, sub_elem_len);
      pos += 2 + sub_elem_len;
      ml_len -= 2 + sub_elem_len;
      continue;
    default:
      wpa_printf(MSG_DEBUG, "MLD: Unknown subelement ID=%u",
           *pos);
      goto out;
    }

    end = pos + 2 + sub_elem_len;

    /* Skip the subelement ID and the length */
    pos += 2;
    ml_len -= 2;

    if (end - pos < 2)
      goto out;

    /* Get the station control field */
    ctrl = WPA_GET_LE16(pos);

    pos += 2;
    ml_len -= 2;

    if (!(ctrl & EHT_PER_STA_CTRL_COMPLETE_PROFILE_MSK)) {
      wpa_printf(MSG_DEBUG,
           "MLD: Per STA complete profile expected");
      goto out;
    }

    if (!(ctrl & EHT_PER_STA_CTRL_MAC_ADDR_PRESENT_MSK)) {
      wpa_printf(MSG_DEBUG,
           "MLD: Per STA MAC address not present");
      goto out;
    }

    if (!(ctrl & EHT_PER_STA_CTRL_TSF_OFFSET_PRESENT_MSK)) {
      wpa_printf(MSG_DEBUG,
           "MLD: Per STA TSF offset not present");
      goto out;
    }

    if (!(ctrl & EHT_PER_STA_CTRL_BEACON_INTERVAL_PRESENT_MSK)) {
      wpa_printf(MSG_DEBUG,
           "MLD: Beacon interval not present");
      goto out;
    }

    if (!(ctrl & EHT_PER_STA_CTRL_DTIM_INFO_PRESENT_MSK)) {
      wpa_printf(MSG_DEBUG,
           "MLD:  DTIM information not present");
      goto out;
    }

    if (ctrl & EHT_PER_STA_CTRL_NSTR_LINK_PAIR_PRESENT_MSK) {
      if (ctrl & EHT_PER_STA_CTRL_NSTR_BM_SIZE_MSK)
        nstr_bitmap_len = 2;
      else
        nstr_bitmap_len = 1;
    }

    if (!(ctrl & EHT_PER_STA_CTRL_BSS_PARAM_CNT_PRESENT_MSK)) {
      wpa_printf(MSG_DEBUG,
           "MLD:  BSS params change count not present");
      goto out;
    }

    sta_info_len_min = 1 + ETH_ALEN + 8 + 2 + 2 + 1 +
      nstr_bitmap_len;
    if (sta_info_len_min > ml_len ||
        sta_info_len_min > (size_t) (end - pos) ||
        sta_info_len_min + 2 > sub_elem_len) {
      wpa_printf(MSG_DEBUG,
           "MLD: Invalid STA info min len=%zu, len=%u",
           sta_info_len_min, *pos);
      goto out;
    }
    sta_info_len = *pos;
    if (sta_info_len > ml_len ||
        sta_info_len > sub_elem_len - 2 ||
        sta_info_len < sta_info_len_min) {
      wpa_printf(MSG_DEBUG,
           "MLD: Invalid STA info min len=%zu, len=%zu",
           sta_info_len_min, sta_info_len);
      goto out;
    }

    /* Get the link address */
    wpa_printf(MSG_DEBUG,
         "MLD: link addr: " MACSTR " nstr BM len=%u",
         MAC2STR(pos + 1), nstr_bitmap_len);

    ml_info[i].link_id = ctrl & EHT_PER_STA_CTRL_LINK_ID_MSK;
    os_memcpy(ml_info[i].bssid, pos + 1, ETH_ALEN);

    pos += sta_info_len;
    ml_len -= sta_info_len;

    wpa_printf(MSG_DEBUG, "MLD: sub_elem_len=%zu, sta_info_len=%zu",
         sub_elem_len, sta_info_len);

    sub_elem_len -= sta_info_len + 2;
    if (sub_elem_len < 4) {
      wpa_printf(MSG_DEBUG, "MLD: Per STA profile too short");
      goto out;
    }

    wpa_hexdump(MSG_MSGDUMP, "MLD: STA profile", pos, sub_elem_len);
    ml_info[i].status = WPA_GET_LE16(pos + 2);

    if (sub_elem_len > ml_len)
      goto out;
    pos += sub_elem_len;
    ml_len -= sub_elem_len;

    i++;
  }

  wpabuf_free(mlbuf);
  return i;
out:
  wpabuf_free(mlbuf);
  return 0;
}


static int wpa_drv_get_mlo_info(struct wpa_supplicant *wpa_s)
{
  struct driver_sta_mlo_info mlo;
  int i;

  os_memset(&mlo, 0, sizeof(mlo));
  if (wpas_drv_get_sta_mlo_info(wpa_s, &mlo)) {
    wpa_dbg(wpa_s, MSG_ERROR, "Failed to get MLO link info");
    wpa_supplicant_deauthenticate(wpa_s,
                WLAN_REASON_DEAUTH_LEAVING);
    return -1;
  }

  if (wpa_s->valid_links == mlo.valid_links) {
    bool match = true;

    if (!mlo.valid_links)
      return 0;

    for_each_link(mlo.valid_links, i) {
      if (!ether_addr_equal(wpa_s->links[i].addr,
                mlo.links[i].addr) ||
          !ether_addr_equal(wpa_s->links[i].bssid,
                mlo.links[i].bssid)) {
        match = false;
        break;
      }
    }

    if (match && wpa_s->mlo_assoc_link_id == mlo.assoc_link_id &&
        ether_addr_equal(wpa_s->ap_mld_addr, mlo.ap_mld_addr))
      return 0;
  }

  wpa_s->valid_links = mlo.valid_links;
  wpa_s->mlo_assoc_link_id = mlo.assoc_link_id;
  os_memcpy(wpa_s->ap_mld_addr, mlo.ap_mld_addr, ETH_ALEN);
  for_each_link(wpa_s->valid_links, i) {
    os_memcpy(wpa_s->links[i].addr, mlo.links[i].addr, ETH_ALEN);
    os_memcpy(wpa_s->links[i].bssid, mlo.links[i].bssid, ETH_ALEN);
    wpa_s->links[i].freq = mlo.links[i].freq;
    wpa_supplicant_update_link_bss(wpa_s, i, mlo.links[i].bssid);
  }

  return 0;
}


static int wpa_sm_set_ml_info(struct wpa_supplicant *wpa_s)
{
  struct driver_sta_mlo_info drv_mlo;
  struct wpa_sm_mlo wpa_mlo;
  int i;

  os_memset(&drv_mlo, 0, sizeof(drv_mlo));
  if (wpas_drv_get_sta_mlo_info(wpa_s, &drv_mlo)) {
    wpa_dbg(wpa_s, MSG_INFO, "Failed to get MLO link info");
    return -1;
  }

  os_memset(&wpa_mlo, 0, sizeof(wpa_mlo));
  if (!drv_mlo.valid_links)
    goto out;

  os_memcpy(wpa_mlo.ap_mld_addr, drv_mlo.ap_mld_addr, ETH_ALEN);
  wpa_mlo.assoc_link_id = drv_mlo.assoc_link_id;
  wpa_mlo.valid_links = drv_mlo.valid_links;
  wpa_mlo.req_links = drv_mlo.req_links;

  for_each_link(drv_mlo.req_links, i) {
    struct wpa_bss *bss;
    const u8 *rsne, *rsnxe, *rsnoe, *rsno2e, *rsnxoe;

    bss = wpa_supplicant_get_new_bss(wpa_s, drv_mlo.links[i].bssid);
    if (!bss) {
      wpa_dbg(wpa_s, MSG_INFO,
        "Failed to get MLO link %d BSS", i);
      return -1;
    }

    rsne = wpa_bss_get_ie(bss, WLAN_EID_RSN);
    rsnxe = wpa_bss_get_ie(bss, WLAN_EID_RSNX);
    rsnoe = wpa_bss_get_vendor_ie(bss,
                RSNE_OVERRIDE_IE_VENDOR_TYPE);
    rsno2e = wpa_bss_get_vendor_ie(bss,
                 RSNE_OVERRIDE_2_IE_VENDOR_TYPE);
    rsnxoe = wpa_bss_get_vendor_ie(bss,
                 RSNXE_OVERRIDE_IE_VENDOR_TYPE);

    wpa_mlo.links[i].ap_rsne = rsne ? (u8 *) rsne : NULL;
    wpa_mlo.links[i].ap_rsne_len = rsne ? 2 + rsne[1] : 0;
    wpa_mlo.links[i].ap_rsnxe = rsnxe ? (u8 *) rsnxe : NULL;
    wpa_mlo.links[i].ap_rsnxe_len = rsnxe ? 2 + rsnxe[1] : 0;
    wpa_mlo.links[i].ap_rsnoe = rsnoe ? (u8 *) rsnoe : NULL;
    wpa_mlo.links[i].ap_rsnoe_len = rsnoe ? 2 + rsnoe[1] : 0;
    wpa_mlo.links[i].ap_rsno2e = rsno2e ? (u8 *) rsno2e : NULL;
    wpa_mlo.links[i].ap_rsno2e_len = rsno2e ? 2 + rsno2e[1] : 0;
    wpa_mlo.links[i].ap_rsnxoe = rsnxoe ? (u8 *) rsnxoe : NULL;
    wpa_mlo.links[i].ap_rsnxoe_len = rsnxoe ? 2 + rsnxoe[1] : 0;

    os_memcpy(wpa_mlo.links[i].bssid, drv_mlo.links[i].bssid,
        ETH_ALEN);
    os_memcpy(wpa_mlo.links[i].addr, drv_mlo.links[i].addr,
        ETH_ALEN);
  }

out:
  return wpa_sm_set_mlo_params(wpa_s->wpa, &wpa_mlo);
}


static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
               union wpa_event_data *data)
{
  u8 bssid[ETH_ALEN];
  int ft_completed, already_authorized;
  int new_bss = 0;
#if defined(CONFIG_FILS) || defined(CONFIG_MBO)
  struct wpa_bss *bss;
#endif /* CONFIG_FILS || CONFIG_MBO */

#ifdef CONFIG_AP
  if (wpa_s->ap_iface) {
    if (!data)
      return;
    hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
            data->assoc_info.addr,
            data->assoc_info.req_ies,
            data->assoc_info.req_ies_len, NULL, 0,
            NULL, data->assoc_info.reassoc);
    return;
  }
#endif /* CONFIG_AP */

  eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
  wpa_s->own_reconnect_req = 0;

  ft_completed = wpa_ft_is_completed(wpa_s->wpa);

  if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
    wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
    wpa_supplicant_deauthenticate(
      wpa_s, WLAN_REASON_DEAUTH_LEAVING);
    return;
  }

  if (wpa_drv_get_mlo_info(wpa_s) < 0) {
    wpa_dbg(wpa_s, MSG_ERROR, "Failed to get MLO connection info");
    wpa_supplicant_deauthenticate(wpa_s,
                WLAN_REASON_DEAUTH_LEAVING);
    return;
  }

  if (ft_completed &&
      (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION)) {
    wpa_msg(wpa_s, MSG_INFO, "Attempt to roam to " MACSTR,
      MAC2STR(bssid));
    if (!wpa_supplicant_update_current_bss(wpa_s, bssid)) {
      wpa_printf(MSG_ERROR,
           "Can't find target AP's information!");
      return;
    }
    wpa_supplicant_assoc_update_ie(wpa_s);
  }

  if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
    return;
  /*
   * FILS authentication can share the same mechanism to mark the
   * connection fully authenticated, so set ft_completed also based on
   * FILS result.
   */
  if (!ft_completed)
    ft_completed = wpa_fils_is_completed(wpa_s->wpa);

  wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
  if (!ether_addr_equal(bssid, wpa_s->bssid)) {
    if (os_reltime_initialized(&wpa_s->session_start)) {
      os_reltime_age(&wpa_s->session_start,
               &wpa_s->session_length);
      wpa_s->session_start.sec = 0;
      wpa_s->session_start.usec = 0;
      wpas_notify_session_length(wpa_s);
    } else {
      wpas_notify_auth_changed(wpa_s);
      os_get_reltime(&wpa_s->session_start);
    }
    wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
      MACSTR, MAC2STR(bssid));
    new_bss = 1;
    random_add_randomness(bssid, ETH_ALEN);
    os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
    os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
    wpas_notify_bssid_changed(wpa_s);

    if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
      wpa_clear_keys(wpa_s, bssid);
    }
    if (wpa_supplicant_select_config(wpa_s, data) < 0) {
      wpa_supplicant_deauthenticate(
        wpa_s, WLAN_REASON_DEAUTH_LEAVING);
      return;
    }
  }

  if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
      data && wpa_supplicant_use_own_rsne_params(wpa_s, data) < 0)
    return;

  multi_ap_set_4addr_mode(wpa_s);

  if (wpa_s->conf->ap_scan == 1 &&
      wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
    if (wpa_supplicant_assoc_update_ie(wpa_s) < 0 && new_bss)
      wpa_msg(wpa_s, MSG_WARNING,
        "WPA/RSN IEs not updated");
  }

  wpas_fst_update_mb_assoc(wpa_s, data);

#ifdef CONFIG_SME
  /*
   * Cache the current AP's BSSID (for non-MLO connection) or MLD address
   * (for MLO connection) as the previous BSSID for subsequent
   * reassociation requests handled by SME-in-wpa_supplicant.
   */
  os_memcpy(wpa_s->sme.prev_bssid,
      wpa_s->valid_links ? wpa_s->ap_mld_addr : bssid, ETH_ALEN);
  wpa_s->sme.prev_bssid_set = 1;
  wpa_s->sme.last_unprot_disconnect.sec = 0;
#endif /* CONFIG_SME */

  wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
  if (wpa_s->current_ssid) {
    /* When using scanning (ap_scan=1), SIM PC/SC interface can be
     * initialized before association, but for other modes,
     * initialize PC/SC here, if the current configuration needs
     * smartcard or SIM/USIM. */
    wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
  }
  wpa_sm_notify_assoc(wpa_s->wpa, bssid);

  if (wpa_sm_set_ml_info(wpa_s)) {
    wpa_dbg(wpa_s, MSG_INFO,
      "Failed to set MLO connection info to wpa_sm");
    wpa_supplicant_deauthenticate(wpa_s,
                WLAN_REASON_DEAUTH_LEAVING);
    return;
  }

  if (wpa_s->l2)
    l2_packet_notify_auth_start(wpa_s->l2);

  already_authorized = data && data->assoc_info.authorized;

  /*
   * Set portEnabled first to false in order to get EAP state machine out
   * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
   * state machine may transit to AUTHENTICATING state based on obsolete
   * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
   * AUTHENTICATED without ever giving chance to EAP state machine to
   * reset the state.
   */
  if (!ft_completed && !already_authorized) {
    eapol_sm_notify_portEnabled(wpa_s->eapol, false);
    eapol_sm_notify_portValid(wpa_s->eapol, false);
  }
  if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
      wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
      wpa_s->key_mgmt == WPA_KEY_MGMT_OWE || ft_completed ||
      already_authorized || wpa_s->drv_authorized_port)
    eapol_sm_notify_eap_success(wpa_s->eapol, false);
  /* 802.1X::portControl = Auto */
  eapol_sm_notify_portEnabled(wpa_s->eapol, true);
  wpa_s->eapol_received = 0;
  if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
      wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
      (wpa_s->current_ssid &&
       wpa_s->current_ssid->mode == WPAS_MODE_IBSS)) {
    if (wpa_s->current_ssid &&
        wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
        (wpa_s->drv_flags &
         WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
      /*
       * Set the key after having received joined-IBSS event
       * from the driver.
       */
      wpa_supplicant_set_wpa_none_key(wpa_s,
              wpa_s->current_ssid);
    }
    wpa_supplicant_cancel_auth_timeout(wpa_s);
    wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
  } else if (!ft_completed) {
    /* Timeout for receiving the first EAPOL packet */
    wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
  }
  wpa_supplicant_cancel_scan(wpa_s);

  if (ft_completed) {
    /*
     * FT protocol completed - make sure EAPOL state machine ends
     * up in authenticated.
     */
    wpa_supplicant_cancel_auth_timeout(wpa_s);
    wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
    eapol_sm_notify_portValid(wpa_s->eapol, true);
    eapol_sm_notify_eap_success(wpa_s->eapol, true);
  } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK) &&
       wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
    if (already_authorized) {
      /*
       * We are done; the driver will take care of RSN 4-way
       * handshake.
       */
      wpa_supplicant_cancel_auth_timeout(wpa_s);
      wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
      eapol_sm_notify_portValid(wpa_s->eapol, true);
      eapol_sm_notify_eap_success(wpa_s->eapol, true);
    } else {
      /* Update port, WPA_COMPLETED state from the
       * EVENT_PORT_AUTHORIZED handler when the driver is done
       * with the 4-way handshake.
       */
      wpa_msg(wpa_s, MSG_DEBUG,
        "ASSOC INFO: wait for driver port authorized indication");
    }
  } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) &&
       wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
    /*
     * The driver will take care of RSN 4-way handshake, so we need
     * to allow EAPOL supplicant to complete its work without
     * waiting for WPA supplicant.
     */
    eapol_sm_notify_portValid(wpa_s->eapol, true);
  }

  wpa_s->last_eapol_matches_bssid = 0;

#ifdef CONFIG_TESTING_OPTIONS
  if (wpa_s->rsne_override_eapol) {
    wpa_printf(MSG_DEBUG,
         "TESTING: RSNE EAPOL-Key msg 2/4 override");
    wpa_sm_set_assoc_wpa_ie(wpa_s->wpa,
          wpabuf_head(wpa_s->rsne_override_eapol),
          wpabuf_len(wpa_s->rsne_override_eapol));
  }
  if (wpa_s->rsnxe_override_eapol) {
    wpa_printf(MSG_DEBUG,
         "TESTING: RSNXE EAPOL-Key msg 2/4 override");
    wpa_sm_set_assoc_rsnxe(wpa_s->wpa,
               wpabuf_head(wpa_s->rsnxe_override_eapol),
               wpabuf_len(wpa_s->rsnxe_override_eapol));
  }
#endif /* CONFIG_TESTING_OPTIONS */

  if (wpa_s->pending_eapol_rx) {
    struct os_reltime now, age;
    os_get_reltime(&now);
    os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
    if (age.sec == 0 && age.usec < 200000 &&
        ether_addr_equal(wpa_s->pending_eapol_rx_src,
             wpa_s->valid_links ? wpa_s->ap_mld_addr :
             bssid)) {
      wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
        "frame that was received just before "
        "association notification");
      wpa_supplicant_rx_eapol(
        wpa_s, wpa_s->pending_eapol_rx_src,
        wpabuf_head(wpa_s->pending_eapol_rx),
        wpabuf_len(wpa_s->pending_eapol_rx),
        wpa_s->pending_eapol_encrypted);
    }
    wpabuf_free(wpa_s->pending_eapol_rx);
    wpa_s->pending_eapol_rx = NULL;
  }

#ifdef CONFIG_WEP
  if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
       wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
      wpa_s->current_ssid &&
      (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
    /* Set static WEP keys again */
    wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
  }
#endif /* CONFIG_WEP */

#ifdef CONFIG_IBSS_RSN
  if (wpa_s->current_ssid &&
      wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
      wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
      wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
      wpa_s->ibss_rsn == NULL) {
    wpa_s->ibss_rsn = ibss_rsn_init(wpa_s, wpa_s->current_ssid);
    if (!wpa_s->ibss_rsn) {
      wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
      wpa_supplicant_deauthenticate(
        wpa_s, WLAN_REASON_DEAUTH_LEAVING);
      return;
    }

    ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
  }
#endif /* CONFIG_IBSS_RSN */

  wpas_wps_notify_assoc(wpa_s, bssid);

#ifndef CONFIG_NO_WMM_AC
  if (data) {
    wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
            data->assoc_info.resp_ies_len,
            &data->assoc_info.wmm_params);

    if (wpa_s->reassoc_same_bss)
      wmm_ac_restore_tspecs(wpa_s);
  }
#endif /* CONFIG_NO_WMM_AC */

#if defined(CONFIG_FILS) || defined(CONFIG_MBO)
  bss = wpa_bss_get_bssid(wpa_s, bssid);
#endif /* CONFIG_FILS || CONFIG_MBO */
#ifdef CONFIG_FILS
  if (wpa_key_mgmt_fils(wpa_s->key_mgmt)) {
    const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);

    if (fils_cache_id)
      wpa_sm_set_fils_cache_id(wpa_s->wpa, fils_cache_id);
  }
#endif /* CONFIG_FILS */

#ifdef CONFIG_MBO
  wpas_mbo_check_pmf(wpa_s, bss, wpa_s->current_ssid);
#endif /* CONFIG_MBO */

#ifdef CONFIG_DPP2
  wpa_s->dpp_pfs_fallback = 0;
#endif /* CONFIG_DPP2 */

  if (wpa_s->current_ssid && wpa_s->current_ssid->enable_4addr_mode)
    wpa_supplicant_set_4addr_mode(wpa_s);
}


static int disconnect_reason_recoverable(u16 reason_code)
{
  return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
    reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
    reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
}


static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
            u16 reason_code,
            int locally_generated)
{
  const u8 *bssid;

  bssid = wpa_s->bssid;
  if (is_zero_ether_addr(bssid))
    bssid = wpa_s->pending_bssid;

  if (!is_zero_ether_addr(bssid) ||
      wpa_s->wpa_state >= WPA_AUTHENTICATING) {
    wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
      " reason=%d%s",
      MAC2STR(bssid), reason_code,
      locally_generated ? " locally_generated=1" : "");
  }
}


static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
         int locally_generated)
{
  if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
      !wpa_s->new_connection ||
      !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
      wpa_key_mgmt_sae(wpa_s->key_mgmt))
    return 0; /* Not in initial 4-way handshake with PSK */

  /*
   * It looks like connection was lost while trying to go through PSK
   * 4-way handshake. Filter out known disconnection cases that are caused
   * by something else than PSK mismatch to avoid confusing reports.
   */

  if (locally_generated) {
    if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
      return 0;
    if (reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY)
      return 0;
  }

  return 1;
}


static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
             u16 reason_code,
             int locally_generated)
{
  const u8 *bssid;
  struct wpa_bss *fast_reconnect = NULL;
  struct wpa_ssid *fast_reconnect_ssid = NULL;
  struct wpa_bss *curr = NULL;

  if (!wpa_s->disconnected && wpa_s->wpa_state >= WPA_AUTHENTICATING &&
      reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY &&
      locally_generated)
    /*
     * Remove the inactive AP (which is probably out of range) from
     * the BSS list after marking disassociation. In particular
     * mac80211-based drivers use the
     * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
     * locally generated disconnection events for cases where the
     * AP does not reply anymore.
     */
    curr = wpa_s->current_bss;

  if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
    wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
      "pre-shared key may be incorrect");
    if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
      return; /* P2P group removed */
    bssid = wpa_s->bssid;
    if (is_zero_ether_addr(bssid))
      bssid = wpa_s->pending_bssid;
    wpa_bssid_ignore_add(wpa_s, bssid);
    wpas_auth_failed(wpa_s, "WRONG_KEY", wpa_s->pending_bssid);
    wpas_notify_psk_mismatch(wpa_s);
  }
  if (!wpa_s->disconnected &&
      (!wpa_s->auto_reconnect_disabled ||
       wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
       wpas_wps_searching(wpa_s) ||
       wpas_wps_reenable_networks_pending(wpa_s))) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
      "reconnect (wps=%d/%d wpa_state=%d)",
      wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
      wpas_wps_searching(wpa_s),
      wpa_s->wpa_state);
    if (wpa_s->wpa_state == WPA_COMPLETED &&
        wpa_s->current_ssid &&
        wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
        (wpa_s->own_reconnect_req ||
         (!locally_generated &&
          disconnect_reason_recoverable(reason_code)))) {
      /*
       * It looks like the AP has dropped association with
       * us, but could allow us to get back in. This is also
       * triggered for cases where local reconnection request
       * is used to force reassociation with the same BSS.
       * Try to reconnect to the same BSS without a full scan
       * to save time for some common cases.
       */
      fast_reconnect = wpa_s->current_bss;
      fast_reconnect_ssid = wpa_s->current_ssid;
    } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) {
      wpa_supplicant_req_scan(wpa_s, 0, 100000);
    } else {
      wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
        "immediate scan");
    }
  } else {
    wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
      "try to re-connect");
    wpa_s->reassociate = 0;
    wpa_s->disconnected = 1;
    if (!wpa_s->pno)
      wpa_supplicant_cancel_sched_scan(wpa_s);
  }
  bssid = wpa_s->bssid;
  if (is_zero_ether_addr(bssid))
    bssid = wpa_s->pending_bssid;
  if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
    wpas_connection_failed(wpa_s, bssid, NULL);
  wpa_sm_notify_disassoc(wpa_s->wpa);
  ptksa_cache_flush(wpa_s->ptksa, wpa_s->bssid, WPA_CIPHER_NONE);

  if (locally_generated)
    wpa_s->disconnect_reason = -reason_code;
  else
    wpa_s->disconnect_reason = reason_code;
  wpas_notify_disconnect_reason(wpa_s);
#ifdef CONFIG_DPP2
  wpas_dpp_send_conn_status_result(wpa_s, DPP_STATUS_AUTH_FAILURE);
#endif /* CONFIG_DPP2 */
  if (wpa_supplicant_dynamic_keys(wpa_s)) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
    wpa_clear_keys(wpa_s, wpa_s->bssid);
  }
  wpa_supplicant_mark_disassoc(wpa_s);

  if (curr)
    wpa_bss_remove(wpa_s, curr, "Connection to AP lost");

  if (fast_reconnect &&
      !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
      !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
      !disallowed_ssid(wpa_s, fast_reconnect->ssid,
           fast_reconnect->ssid_len) &&
      !wpas_temp_disabled(wpa_s, fast_reconnect_ssid) &&
      !wpa_is_bss_tmp_disallowed(wpa_s, fast_reconnect)) {
#ifndef CONFIG_NO_SCAN_PROCESSING
    wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
    if (wpa_supplicant_connect(wpa_s, fast_reconnect,
             fast_reconnect_ssid) < 0) {
      /* Recover through full scan */
      wpa_supplicant_req_scan(wpa_s, 0, 100000);
    }
#endif /* CONFIG_NO_SCAN_PROCESSING */
  } else if (fast_reconnect) {
    /*
     * Could not reconnect to the same BSS due to network being
     * disabled. Use a new scan to match the alternative behavior
     * above, i.e., to continue automatic reconnection attempt in a
     * way that enforces disabled network rules.
     */
    wpa_supplicant_req_scan(wpa_s, 0, 100000);
  }
}


#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
{
  struct wpa_supplicant *wpa_s = eloop_ctx;

  if (!wpa_s->pending_mic_error_report)
    return;

  wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
  wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
  wpa_s->pending_mic_error_report = 0;
}
#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */


static void
wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
           union wpa_event_data *data)
{
  int pairwise;
  struct os_reltime t;

  wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
  pairwise = (data && data->michael_mic_failure.unicast);
  os_get_reltime(&t);
  if ((os_reltime_initialized(&wpa_s->last_michael_mic_error) &&
       !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
      wpa_s->pending_mic_error_report) {
    if (wpa_s->pending_mic_error_report) {
      /*
       * Send the pending MIC error report immediately since
       * we are going to start countermeasures and AP better
       * do the same.
       */
      wpa_sm_key_request(wpa_s->wpa, 1,
             wpa_s->pending_mic_error_pairwise);
    }

    /* Send the new MIC error report immediately since we are going
     * to start countermeasures and AP better do the same.
     */
    wpa_sm_key_request(wpa_s->wpa, 1, pairwise);

    /* initialize countermeasures */
    wpa_s->countermeasures = 1;

    wpa_bssid_ignore_add(wpa_s, wpa_s->bssid);

    wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");

    /*
     * Need to wait for completion of request frame. We do not get
     * any callback for the message completion, so just wait a
     * short while and hope for the best. */
    os_sleep(0, 10000);

    wpa_drv_set_countermeasures(wpa_s, 1);
    wpa_supplicant_deauthenticate(wpa_s,
                WLAN_REASON_MICHAEL_MIC_FAILURE);
    eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
             wpa_s, NULL);
    eloop_register_timeout(60, 0,
               wpa_supplicant_stop_countermeasures,
               wpa_s, NULL);
    /* TODO: mark the AP rejected for 60 second. STA is
     * allowed to associate with another AP.. */
  } else {
#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
    if (wpa_s->mic_errors_seen) {
      /*
       * Reduce the effectiveness of Michael MIC error
       * reports as a means for attacking against TKIP if
       * more than one MIC failure is noticed with the same
       * PTK. We delay the transmission of the reports by a
       * random time between 0 and 60 seconds in order to
       * force the attacker wait 60 seconds before getting
       * the information on whether a frame resulted in a MIC
       * failure.
       */
      u8 rval[4];
      int sec;

      if (os_get_random(rval, sizeof(rval)) < 0)
        sec = os_random() % 60;
      else
        sec = WPA_GET_BE32(rval) % 60;
      wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
        "report %d seconds", sec);
      wpa_s->pending_mic_error_report = 1;
      wpa_s->pending_mic_error_pairwise = pairwise;
      eloop_cancel_timeout(
        wpa_supplicant_delayed_mic_error_report,
        wpa_s, NULL);
      eloop_register_timeout(
        sec, os_random() % 1000000,
        wpa_supplicant_delayed_mic_error_report,
        wpa_s, NULL);
    } else {
      wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
    }
#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
    wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
  }
  wpa_s->last_michael_mic_error = t;
  wpa_s->mic_errors_seen++;
}


#ifdef CONFIG_TERMINATE_ONLASTIF
static int any_interfaces(struct wpa_supplicant *head)
{
  struct wpa_supplicant *wpa_s;

  for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
    if (!wpa_s->interface_removed)
      return 1;
  return 0;
}
#endif /* CONFIG_TERMINATE_ONLASTIF */


static void
wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
              union wpa_event_data *data)
{
  if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
    return;

  switch (data->interface_status.ievent) {
  case EVENT_INTERFACE_ADDED:
    if (!wpa_s->interface_removed)
      break;
    wpa_s->interface_removed = 0;
    wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
    if (wpa_supplicant_driver_init(wpa_s) < 0) {
      wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
        "driver after interface was added");
    }

#ifdef CONFIG_P2P
    if (!wpa_s->global->p2p &&
        !wpa_s->global->p2p_disabled &&
        !wpa_s->conf->p2p_disabled &&
        (wpa_s->drv_flags &
         WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
        wpas_p2p_add_p2pdev_interface(
          wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
      wpa_printf(MSG_INFO,
           "P2P: Failed to enable P2P Device interface");
      /* Try to continue without. P2P will be disabled. */
    }
#endif /* CONFIG_P2P */

    break;
  case EVENT_INTERFACE_REMOVED:
    wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
    wpa_s->interface_removed = 1;
    wpa_supplicant_mark_disassoc(wpa_s);
    wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
    l2_packet_deinit(wpa_s->l2);
    wpa_s->l2 = NULL;

#ifdef CONFIG_P2P
    if (wpa_s->global->p2p &&
        wpa_s->global->p2p_init_wpa_s->parent == wpa_s &&
        (wpa_s->drv_flags &
         WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) {
      wpa_dbg(wpa_s, MSG_DEBUG,
        "Removing P2P Device interface");
      wpa_supplicant_remove_iface(
        wpa_s->global, wpa_s->global->p2p_init_wpa_s,
        0);
      wpa_s->global->p2p_init_wpa_s = NULL;
    }
#endif /* CONFIG_P2P */

#ifdef CONFIG_MATCH_IFACE
    if (wpa_s->matched) {
      wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
      break;
    }
#endif /* CONFIG_MATCH_IFACE */

#ifdef CONFIG_TERMINATE_ONLASTIF
    /* check if last interface */
    if (!any_interfaces(wpa_s->global->ifaces))
      eloop_terminate();
#endif /* CONFIG_TERMINATE_ONLASTIF */
    break;
  }
}


#ifdef CONFIG_TDLS
static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
              union wpa_event_data *data)
{
  if (data == NULL)
    return;
  switch (data->tdls.oper) {
  case TDLS_REQUEST_SETUP:
    wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
    if (wpa_tdls_is_external_setup(wpa_s->wpa))
      wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
    else
      wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
    break;
  case TDLS_REQUEST_TEARDOWN:
    if (wpa_tdls_is_external_setup(wpa_s->wpa))
      wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
                 data->tdls.reason_code);
    else
      wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
            data->tdls.peer);
    break;
  case TDLS_REQUEST_DISCOVER:
      wpa_tdls_send_discovery_request(wpa_s->wpa,
              data->tdls.peer);
    break;
  }
}
#endif /* CONFIG_TDLS */


#ifdef CONFIG_WNM
static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
             union wpa_event_data *data)
{
  if (data == NULL)
    return;
  switch (data->wnm.oper) {
  case WNM_OPER_SLEEP:
    wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
         "(action=%d, intval=%d)",
         data->wnm.sleep_action, data->wnm.sleep_intval);
    ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
               data->wnm.sleep_intval, NULL);
    break;
  }
}
#endif /* CONFIG_WNM */


#ifdef CONFIG_IEEE80211R
static void
wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
         union wpa_event_data *data)
{
  if (data == NULL)
    return;

  if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
            data->ft_ies.ies_len,
            data->ft_ies.ft_action,
            data->ft_ies.target_ap,
            data->ft_ies.ric_ies,
            data->ft_ies.ric_ies_len) < 0) {
    /* TODO: prevent MLME/driver from trying to associate? */
  }
}
#endif /* CONFIG_IEEE80211R */


#ifdef CONFIG_IBSS_RSN
static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
            union wpa_event_data *data)
{
  struct wpa_ssid *ssid;
  if (wpa_s->wpa_state < WPA_ASSOCIATED)
    return;
  if (data == NULL)
    return;
  ssid = wpa_s->current_ssid;
  if (ssid == NULL)
    return;
  if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
    return;

  ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
}


static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
             union wpa_event_data *data)
{
  struct wpa_ssid *ssid = wpa_s->current_ssid;

  if (ssid == NULL)
    return;

  /* check if the ssid is correctly configured as IBSS/RSN */
  if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
    return;

  ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
           data->rx_mgmt.frame_len);
}
#endif /* CONFIG_IBSS_RSN */


#ifdef CONFIG_IEEE80211R
static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
       size_t len)
{
  const u8 *sta_addr, *target_ap_addr;
  u16 status;

  wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
  if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
    return; /* only SME case supported for now */
  if (len < 1 + 2 * ETH_ALEN + 2)
    return;
  if (data[0] != 2)
    return; /* Only FT Action Response is supported for now */
  sta_addr = data + 1;
  target_ap_addr = data + 1 + ETH_ALEN;
  status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
  wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
    MACSTR " TargetAP " MACSTR " status %u",
    MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);

  if (!ether_addr_equal(sta_addr, wpa_s->own_addr)) {
    wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
      " in FT Action Response", MAC2STR(sta_addr));
    return;
  }

  if (status) {
    wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
      "failure (status code %d)", status);
    /* TODO: report error to FT code(?) */
    return;
  }

  if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
            len - (1 + 2 * ETH_ALEN + 2), 1,
            target_ap_addr, NULL, 0) < 0)
    return;

#ifdef CONFIG_SME
  {
    struct wpa_bss *bss;
    bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
    if (bss)
      wpa_s->sme.freq = bss->freq;
    wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
    sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
            WLAN_AUTH_FT);
  }
#endif /* CONFIG_SME */
}
#endif /* CONFIG_IEEE80211R */


static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
                 struct unprot_deauth *e)
{
  wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
       "dropped: " MACSTR " -> " MACSTR
       " (reason code %u)",
       MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
  sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
}


static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
             struct unprot_disassoc *e)
{
  wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
       "dropped: " MACSTR " -> " MACSTR
       " (reason code %u)",
       MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
  sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
}


static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
          u16 reason_code, int locally_generated,
          const u8 *ie, size_t ie_len, int deauth)
{
#ifdef CONFIG_AP
  if (wpa_s->ap_iface && addr) {
    hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
    return;
  }

  if (wpa_s->ap_iface) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
    return;
  }
#endif /* CONFIG_AP */

  if (!locally_generated)
    wpa_s->own_disconnect_req = 0;

  wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);

  if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
        ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
    (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
         eapol_sm_failed(wpa_s->eapol))) &&
       !wpa_s->eap_expected_failure))
    wpas_auth_failed(wpa_s, "AUTH_FAILED", addr);

#ifdef CONFIG_P2P
  if (deauth && reason_code > 0) {
    if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
            locally_generated) > 0) {
      /*
       * The interface was removed, so cannot continue
       * processing any additional operations after this.
       */
      return;
    }
  }
#endif /* CONFIG_P2P */

  wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
               locally_generated);
}


static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
        struct disassoc_info *info)
{
  u16 reason_code = 0;
  int locally_generated = 0;
  const u8 *addr = NULL;
  const u8 *ie = NULL;
  size_t ie_len = 0;

  wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");

  if (info) {
    addr = info->addr;
    ie = info->ie;
    ie_len = info->ie_len;
    reason_code = info->reason_code;
    locally_generated = info->locally_generated;
    wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s", reason_code,
      reason2str(reason_code),
      locally_generated ? " locally_generated=1" : "");
    if (addr)
      wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
        MAC2STR(addr));
    wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
          ie, ie_len);
  }

#ifdef CONFIG_AP
  if (wpa_s->ap_iface && info && info->addr) {
    hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
    return;
  }

  if (wpa_s->ap_iface) {
    wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
    return;
  }
#endif /* CONFIG_AP */

#ifdef CONFIG_P2P
  if (info) {
    wpas_p2p_disassoc_notif(
      wpa_s, info->addr, reason_code, info->ie, info->ie_len,
      locally_generated);
  }
#endif /* CONFIG_P2P */

  if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
    sme_event_disassoc(wpa_s, info);

  wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
            ie, ie_len, 0);
}


static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
            struct deauth_info *info)
{
  u16 reason_code = 0;
  int locally_generated = 0;
  const u8 *addr = NULL;
  const u8 *ie = NULL;
  size_t ie_len = 0;

  wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");

  if (info) {
    addr = info->addr;
    ie = info->ie;
    ie_len = info->ie_len;
    reason_code = info->reason_code;
    locally_generated = info->locally_generated;
    wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u (%s)%s",
      reason_code, reason2str(reason_code),
      locally_generated ? " locally_generated=1" : "");
    if (addr) {
      wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
        MAC2STR(addr));
    }
    wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
          ie, ie_len);
  }

  wpa_reset_ft_completed(wpa_s->wpa);

  wpas_event_disconnect(wpa_s, addr, reason_code,
            locally_generated, ie, ie_len, 1);
}


static const char * reg_init_str(enum reg_change_initiator init)
{
  switch (init) {
  case REGDOM_SET_BY_CORE:
    return "CORE";
  case REGDOM_SET_BY_USER:
    return "USER";
  case REGDOM_SET_BY_DRIVER:
    return "DRIVER";
  case REGDOM_SET_BY_COUNTRY_IE:
    return "COUNTRY_IE";
  case REGDOM_BEACON_HINT:
    return "BEACON_HINT";
  }
  return "?";
}


static const char * reg_type_str(enum reg_type type)
{
  switch (type) {
  case REGDOM_TYPE_UNKNOWN:
    return "UNKNOWN";
  case REGDOM_TYPE_COUNTRY:
    return "COUNTRY";
  case REGDOM_TYPE_WORLD:
    return "WORLD";
  case REGDOM_TYPE_CUSTOM_WORLD:
    return "CUSTOM_WORLD";
  case REGDOM_TYPE_INTERSECTION:
    return "INTERSECTION";
  }
  return "?";
}


static void wpas_beacon_hint(struct wpa_supplicant *wpa_s, const char *title,
           struct frequency_attrs *attrs)
{
  if (!attrs->freq)
    return;
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REGDOM_BEACON_HINT
    "%s freq=%u max_tx_power=%u%s%s%s",
    title, attrs->freq, attrs->max_tx_power,
    attrs->disabled ? " disabled=1" : "",
    attrs->no_ir ? " no_ir=1" : "",
    attrs->radar ? " radar=1" : "");
}


void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s,
          struct channel_list_changed *info)
{
  struct wpa_supplicant *ifs;
  u8 dfs_domain;

  /*
   * To allow backwards compatibility with higher level layers that
   * assumed the REGDOM_CHANGE event is sent over the initially added
   * interface. Find the highest parent of this interface and use it to
   * send the event.
   */
  for (ifs = wpa_s; ifs->parent && ifs != ifs->parent; ifs = ifs->parent)
    ;

  if (info) {
    wpa_msg(ifs, MSG_INFO,
      WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
      reg_init_str(info->initiator), reg_type_str(info->type),
      info->alpha2[0] ? " alpha2=" : "",
      info->alpha2[0] ? info->alpha2 : "");

    if (info->initiator == REGDOM_BEACON_HINT) {
      wpas_beacon_hint(ifs, "before",
           &info->beacon_hint_before);
      wpas_beacon_hint(ifs, "after",
           &info->beacon_hint_after);
    }
  }

  if (wpa_s->drv_priv == NULL)
    return; /* Ignore event during drv initialization */

  dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
       radio_list) {
    bool was_6ghz_enabled;

    wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
         ifs->ifname);
    free_hw_features(ifs);
    ifs->hw.modes = wpa_drv_get_hw_feature_data(
      ifs, &ifs->hw.num_modes, &ifs->hw.flags, &dfs_domain);

    was_6ghz_enabled = ifs->is_6ghz_enabled;
    ifs->is_6ghz_enabled = wpas_is_6ghz_supported(ifs, true);

    /* Restart PNO/sched_scan with updated channel list */
    if (ifs->pno) {
      wpas_stop_pno(ifs);
      wpas_start_pno(ifs);
    } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
      wpa_dbg(ifs, MSG_DEBUG,
        "Channel list changed - restart sched_scan");
      wpas_scan_restart_sched_scan(ifs);
    } else if (!was_6ghz_enabled && ifs->is_6ghz_enabled) {
      wpa_dbg(ifs, MSG_INFO,
        "Channel list changed: 6 GHz was enabled");

      ifs->crossed_6ghz_dom = true;
    }
  }

  wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
}


static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
              const u8 *frame, size_t len, int freq,
              int rssi)
{
  const struct ieee80211_mgmt *mgmt;
  const u8 *payload;
  size_t plen;
  u8 category;

  if (len < IEEE80211_HDRLEN + 2)
    return;

  mgmt = (const struct ieee80211_mgmt *) frame;
  payload = frame + IEEE80211_HDRLEN;
  category = *payload++;
  plen = len - IEEE80211_HDRLEN - 1;

  wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
    " Category=%u DataLen=%d freq=%d MHz",
    MAC2STR(mgmt->sa), category, (int) plen, freq);

#ifndef CONFIG_NO_WMM_AC
  if (category == WLAN_ACTION_WMM) {
    wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
    return;
  }
#endif /* CONFIG_NO_WMM_AC */

#ifdef CONFIG_IEEE80211R
  if (category == WLAN_ACTION_FT) {
    ft_rx_action(wpa_s, payload, plen);
    return;
  }
#endif /* CONFIG_IEEE80211R */

#ifdef CONFIG_SME
  if (category == WLAN_ACTION_SA_QUERY) {
    sme_sa_query_rx(wpa_s, mgmt->da, mgmt->sa, payload, plen);
    return;
  }
#endif /* CONFIG_SME */

#ifdef CONFIG_WNM
  if (mgmt->u.action.category == WLAN_ACTION_WNM) {
    ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
    return;
  }
#endif /* CONFIG_WNM */

#ifdef CONFIG_GAS
  if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
       mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
      gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
       mgmt->u.action.category,
       payload, plen, freq) == 0)
    return;
#endif /* CONFIG_GAS */

#ifdef CONFIG_GAS_SERVER
  if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
       mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
      gas_server_rx(wpa_s->gas_server, mgmt->da, mgmt->sa, mgmt->bssid,
        mgmt->u.action.category,
        payload, plen, freq) == 0)
    return;
#endif /* CONFIG_GAS_SERVER */

#ifdef CONFIG_TDLS
  if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
      payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "TDLS: Received Discovery Response from " MACSTR,
      MAC2STR(mgmt->sa));
    if (wpa_s->valid_links &&
        wpa_tdls_process_discovery_response(wpa_s->wpa, mgmt->sa,
              &payload[1], plen - 1))
      wpa_dbg(wpa_s, MSG_ERROR,
        "TDLS: Discovery Response process failed for "
        MACSTR, MAC2STR(mgmt->sa));
    return;
  }
#endif /* CONFIG_TDLS */

#ifdef CONFIG_INTERWORKING
  if (category == WLAN_ACTION_QOS && plen >= 1 &&
      payload[0] == QOS_QOS_MAP_CONFIG) {
    const u8 *pos = payload + 1;
    size_t qlen = plen - 1;
    wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
      MACSTR, MAC2STR(mgmt->sa));
    if (ether_addr_equal(mgmt->sa, wpa_s->bssid) &&
        qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
        pos[1] <= qlen - 2 && pos[1] >= 16)
      wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
    return;
  }
#endif /* CONFIG_INTERWORKING */

#ifndef CONFIG_NO_RRM
  if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
      payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
    wpas_rrm_handle_radio_measurement_request(wpa_s, mgmt->sa,
                mgmt->da,
                payload + 1,
                plen - 1);
    return;
  }

  if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
      payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
    wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
    return;
  }

  if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
      payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
    wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
               payload + 1, plen - 1,
               rssi);
    return;
  }
#endif /* CONFIG_NO_RRM */

#ifdef CONFIG_FST
  if (mgmt->u.action.category == WLAN_ACTION_FST && wpa_s->fst) {
    fst_rx_action(wpa_s->fst, mgmt, len);
    return;
  }
#endif /* CONFIG_FST */

#ifdef CONFIG_NAN_USD
  if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
      payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
      WPA_GET_BE32(&payload[1]) == NAN_SDF_VENDOR_TYPE) {
    payload += 5;
    plen -= 5;
    wpas_nan_usd_rx_sdf(wpa_s, mgmt->sa, mgmt->bssid, freq,
            payload, plen);
    return;
  }
#endif /* CONFIG_NAN_USD */

#ifdef CONFIG_DPP
  if (category == WLAN_ACTION_PUBLIC && plen >= 5 &&
      payload[0] == WLAN_PA_VENDOR_SPECIFIC &&
      WPA_GET_BE24(&payload[1]) == OUI_WFA &&
      payload[4] == DPP_OUI_TYPE) {
    payload++;
    plen--;
    wpas_dpp_rx_action(wpa_s, mgmt->sa, payload, plen, freq);
    return;
  }
#endif /* CONFIG_DPP */

#ifndef CONFIG_NO_ROBUST_AV
  if (category == WLAN_ACTION_ROBUST_AV_STREAMING &&
      payload[0] == ROBUST_AV_SCS_RESP) {
    wpas_handle_robust_av_scs_recv_action(wpa_s, mgmt->sa,
                  payload + 1, plen - 1);
    return;
  }

  if (category == WLAN_ACTION_ROBUST_AV_STREAMING &&
      payload[0] == ROBUST_AV_MSCS_RESP) {
    wpas_handle_robust_av_recv_action(wpa_s, mgmt->sa,
              payload + 1, plen - 1);
    return;
  }

  if (category == WLAN_ACTION_VENDOR_SPECIFIC_PROTECTED && plen > 4 &&
      WPA_GET_BE32(payload) == QM_ACTION_VENDOR_TYPE) {
    wpas_handle_qos_mgmt_recv_action(wpa_s, mgmt->sa,
             payload + 4, plen - 4);
    return;
  }
#endif /* CONFIG_NO_ROBUST_AV */

  wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
         category, payload, plen, freq);
  if (wpa_s->ifmsh)
    mesh_mpm_action_rx(wpa_s, mgmt, len);
}


static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
               union wpa_event_data *event)
{
  struct wpa_freq_range_list *list;
  char *str = NULL;

  list = &event->freq_range;

  if (list->num)
    str = freq_range_list_str(list);
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
    str ? str : "");

#ifdef CONFIG_P2P
  if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
    wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
      __func__);
  } else {
    wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");

    /*
     * The update channel flow will also take care of moving a GO
     * from the unsafe frequency if needed.
     */
    wpas_p2p_update_channel_list(wpa_s,
               WPAS_P2P_CHANNEL_UPDATE_AVOID);
  }
#endif /* CONFIG_P2P */

  os_free(str);
}


static void wpa_supplicant_event_port_authorized(struct wpa_supplicant *wpa_s)
{
  if (wpa_s->wpa_state == WPA_ASSOCIATED) {
    wpa_supplicant_cancel_auth_timeout(wpa_s);
    wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
    eapol_sm_notify_portValid(wpa_s->eapol, true);
    eapol_sm_notify_eap_success(wpa_s->eapol, true);
    wpa_s->drv_authorized_port = 1;
  }
}


static unsigned int wpas_event_cac_ms(const struct wpa_supplicant *wpa_s,
              int freq)
{
  size_t i;
  int j;

  for (i = 0; i < wpa_s->hw.num_modes; i++) {
    const struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i];

    for (j = 0; j < mode->num_channels; j++) {
      const struct hostapd_channel_data *chan;

      chan = &mode->channels[j];
      if (chan->freq == freq)
        return chan->dfs_cac_ms;
    }
  }

  return 0;
}


static void wpas_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
               struct dfs_event *radar)
{
#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
  if (wpa_s->ap_iface || wpa_s->ifmsh) {
    wpas_ap_event_dfs_cac_started(wpa_s, radar);
  } else
#endif /* NEED_AP_MLME && CONFIG_AP */
  {
    unsigned int cac_time = wpas_event_cac_ms(wpa_s, radar->freq);

    cac_time /= 1000; /* convert from ms to sec */
    if (!cac_time)
      cac_time = 10 * 60; /* max timeout: 10 minutes */

    /* Restart auth timeout: CAC time added to initial timeout */
    wpas_auth_timeout_restart(wpa_s, cac_time);
  }
}


static void wpas_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
          struct dfs_event *radar)
{
#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
  if (wpa_s->ap_iface || wpa_s->ifmsh) {
    wpas_ap_event_dfs_cac_finished(wpa_s, radar);
  } else
#endif /* NEED_AP_MLME && CONFIG_AP */
  {
    /* Restart auth timeout with original value after CAC is
     * finished */
    wpas_auth_timeout_restart(wpa_s, 0);
  }
}


static void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
               struct dfs_event *radar)
{
#if defined(NEED_AP_MLME) && defined(CONFIG_AP)
  if (wpa_s->ap_iface || wpa_s->ifmsh) {
    wpas_ap_event_dfs_cac_aborted(wpa_s, radar);
  } else
#endif /* NEED_AP_MLME && CONFIG_AP */
  {
    /* Restart auth timeout with original value after CAC is
     * aborted */
    wpas_auth_timeout_restart(wpa_s, 0);
  }
}


static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
              union wpa_event_data *data)
{
  wpa_dbg(wpa_s, MSG_DEBUG,
    "Connection authorized by device, previous state %d",
    wpa_s->wpa_state);

  wpa_supplicant_event_port_authorized(wpa_s);

  wpa_s->last_eapol_matches_bssid = 1;

  wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
  wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
             data->assoc_info.ptk_kck_len,
             data->assoc_info.ptk_kek,
             data->assoc_info.ptk_kek_len);
#ifdef CONFIG_FILS
  if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
    struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
    const u8 *fils_cache_id = wpa_bss_get_fils_cache_id(bss);

    /* Update ERP next sequence number */
    eapol_sm_update_erp_next_seq_num(
      wpa_s->eapol, data->assoc_info.fils_erp_next_seq_num);

    if (data->assoc_info.fils_pmk && data->assoc_info.fils_pmkid) {
      /* Add the new PMK and PMKID to the PMKSA cache */
      wpa_sm_pmksa_cache_add(wpa_s->wpa,
                 data->assoc_info.fils_pmk,
                 data->assoc_info.fils_pmk_len,
                 data->assoc_info.fils_pmkid,
                 wpa_s->valid_links ?
                 wpa_s->ap_mld_addr :
                 wpa_s->bssid,
                 fils_cache_id);
    } else if (data->assoc_info.fils_pmkid) {
      /* Update the current PMKSA used for this connection */
      pmksa_cache_set_current(wpa_s->wpa,
            data->assoc_info.fils_pmkid,
            NULL, NULL, 0, NULL, 0, true);
    }
  }
#endif /* CONFIG_FILS */
}


static const char * connect_fail_reason(enum sta_connect_fail_reason_codes code)
{
  switch (code) {
  case STA_CONNECT_FAIL_REASON_UNSPECIFIED:
    return "";
  case STA_CONNECT_FAIL_REASON_NO_BSS_FOUND:
    return "no_bss_found";
  case STA_CONNECT_FAIL_REASON_AUTH_TX_FAIL:
    return "auth_tx_fail";
  case STA_CONNECT_FAIL_REASON_AUTH_NO_ACK_RECEIVED:
    return "auth_no_ack_received";
  case STA_CONNECT_FAIL_REASON_AUTH_NO_RESP_RECEIVED:
    return "auth_no_resp_received";
  case STA_CONNECT_FAIL_REASON_ASSOC_REQ_TX_FAIL:
    return "assoc_req_tx_fail";
  case STA_CONNECT_FAIL_REASON_ASSOC_NO_ACK_RECEIVED:
    return "assoc_no_ack_received";
  case STA_CONNECT_FAIL_REASON_ASSOC_NO_RESP_RECEIVED:
    return "assoc_no_resp_received";
  default:
    return "unknown_reason";
  }
}


static void wpas_event_assoc_reject(struct wpa_supplicant *wpa_s,
            union wpa_event_data *data)
{
  const u8 *bssid = data->assoc_reject.bssid;
  struct ieee802_11_elems elems;
  struct ml_sta_link_info ml_info[MAX_NUM_MLD_LINKS];
  const u8 *link_bssids[MAX_NUM_MLD_LINKS + 1];
#ifdef CONFIG_MBO
  struct wpa_bss *reject_bss;
#endif /* CONFIG_MBO */

  if (!bssid || is_zero_ether_addr(bssid))
    bssid = wpa_s->pending_bssid;
#ifdef CONFIG_MBO
  if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
    reject_bss = wpa_s->current_bss;
  else
    reject_bss = wpa_bss_get_bssid(wpa_s, bssid);
#endif /* CONFIG_MBO */

  if (data->assoc_reject.bssid)
    wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
      "bssid=" MACSTR " status_code=%u%s%s%s%s%s",
      MAC2STR(data->assoc_reject.bssid),
      data->assoc_reject.status_code,
      data->assoc_reject.timed_out ? " timeout" : "",
      data->assoc_reject.timeout_reason ? "=" : "",
      data->assoc_reject.timeout_reason ?
      data->assoc_reject.timeout_reason : "",
      data->assoc_reject.reason_code !=
      STA_CONNECT_FAIL_REASON_UNSPECIFIED ?
      " qca_driver_reason=" : "",
      connect_fail_reason(data->assoc_reject.reason_code));
  else
    wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
      "status_code=%u%s%s%s%s%s",
      data->assoc_reject.status_code,
      data->assoc_reject.timed_out ? " timeout" : "",
      data->assoc_reject.timeout_reason ? "=" : "",
      data->assoc_reject.timeout_reason ?
      data->assoc_reject.timeout_reason : "",
      data->assoc_reject.reason_code !=
      STA_CONNECT_FAIL_REASON_UNSPECIFIED ?
      " qca_driver_reason=" : "",
      connect_fail_reason(data->assoc_reject.reason_code));
  wpa_s->assoc_status_code = data->assoc_reject.status_code;
  wpas_notify_assoc_status_code(wpa_s);

#ifdef CONFIG_OWE
  if (data->assoc_reject.status_code ==
      WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED &&
      wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
      wpa_s->current_ssid &&
      wpa_s->current_ssid->owe_group == 0 &&
      wpa_s->last_owe_group != 21) {
    struct wpa_ssid *ssid = wpa_s->current_ssid;
    struct wpa_bss *bss = wpa_s->current_bss;

    if (!bss) {
      bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
      if (!bss) {
        wpas_connection_failed(wpa_s, bssid, NULL);
        wpa_supplicant_mark_disassoc(wpa_s);
        return;
      }
    }
    wpa_printf(MSG_DEBUG, "OWE: Try next supported DH group");
    wpas_connect_work_done(wpa_s);
    wpa_supplicant_mark_disassoc(wpa_s);
    wpa_supplicant_connect(wpa_s, bss, ssid);
    return;
  }
#endif /* CONFIG_OWE */

#ifdef CONFIG_DPP2
  /* Try to follow AP's PFS policy. WLAN_STATUS_ASSOC_DENIED_UNSPEC is
   * the status code defined in the DPP R2 tech spec.
   * WLAN_STATUS_AKMP_NOT_VALID is addressed in the same manner as an
   * interoperability workaround with older hostapd implementation. */
  if (DPP_VERSION > 1 && wpa_s->current_ssid &&
      (wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP ||
       ((wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
        wpa_s->key_mgmt == WPA_KEY_MGMT_DPP)) &&
      wpa_s->current_ssid->dpp_pfs == 0 &&
      (data->assoc_reject.status_code ==
       WLAN_STATUS_ASSOC_DENIED_UNSPEC ||
       data->assoc_reject.status_code == WLAN_STATUS_AKMP_NOT_VALID)) {
    struct wpa_ssid *ssid = wpa_s->current_ssid;
    struct wpa_bss *bss = wpa_s->current_bss;

    wpa_s->current_ssid->dpp_pfs_fallback ^= 1;
    if (!bss)
      bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
    if (!bss || wpa_s->dpp_pfs_fallback) {
      wpa_printf(MSG_DEBUG,
           "DPP: Updated PFS policy for next try");
      wpas_connection_failed(wpa_s, bssid, NULL);
      wpa_supplicant_mark_disassoc(wpa_s);
      return;
    }
    wpa_printf(MSG_DEBUG, "DPP: Try again with updated PFS policy");
    wpa_s->dpp_pfs_fallback = 1;
    wpas_connect_work_done(wpa_s);
    wpa_supplicant_mark_disassoc(wpa_s);
    wpa_supplicant_connect(wpa_s, bss, ssid);
    return;
  }
#endif /* CONFIG_DPP2 */

#ifdef CONFIG_MBO
  if (data->assoc_reject.status_code ==
      WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS &&
      reject_bss && data->assoc_reject.resp_ies) {
    const u8 *rssi_rej;

    rssi_rej = mbo_get_attr_from_ies(
      data->assoc_reject.resp_ies,
      data->assoc_reject.resp_ies_len,
      OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT);
    if (rssi_rej && rssi_rej[1] == 2) {
      wpa_printf(MSG_DEBUG,
           "OCE: RSSI-based association rejection from "
           MACSTR " (Delta RSSI: %u, Retry Delay: %u)",
           MAC2STR(reject_bss->bssid),
           rssi_rej[2], rssi_rej[3]);
      wpa_bss_tmp_disallow(wpa_s,
               reject_bss->bssid,
               rssi_rej[3],
               rssi_rej[2] + reject_bss->level);
    }
  }
#endif /* CONFIG_MBO */

  /* Check for other failed links in the response */
  os_memset(link_bssids, 0, sizeof(link_bssids));
  if (ieee802_11_parse_elems(data->assoc_reject.resp_ies,
           data->assoc_reject.resp_ies_len,
           &elems, 1) != ParseFailed) {
    unsigned int n_links, i, idx;

    idx = 0;
    n_links = wpas_ml_parse_assoc(wpa_s, &elems, ml_info);

    for (i = 1; i < n_links; i++) {
      /* The status cannot be success here.
       * Add the link to the failed list if it is reporting
       * an error. The only valid "non-error" status is
       * TX_LINK_NOT_ACCEPTED as that means this link may
       * still accept an association from us.
       */
      if (ml_info[i].status !=
          WLAN_STATUS_DENIED_TX_LINK_NOT_ACCEPTED) {
        link_bssids[idx] = ml_info[i].bssid;
        idx++;
      }
    }
  }

  if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
    sme_event_assoc_reject(wpa_s, data, link_bssids);
    return;
  }

  /* Driver-based SME cases */

#ifdef CONFIG_SAE
  if (wpa_s->current_ssid &&
      wpa_key_mgmt_sae(wpa_s->current_ssid->key_mgmt) &&
      !data->assoc_reject.timed_out) {
    wpa_dbg(wpa_s, MSG_DEBUG, "SAE: Drop PMKSA cache entry");
    wpa_sm_aborted_cached(wpa_s->wpa);
    wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
  }
#endif /* CONFIG_SAE */

#ifdef CONFIG_DPP
  if (wpa_s->current_ssid &&
      wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_DPP &&
      !data->assoc_reject.timed_out) {
    wpa_dbg(wpa_s, MSG_DEBUG, "DPP: Drop PMKSA cache entry");
    wpa_sm_aborted_cached(wpa_s->wpa);
    wpa_sm_pmksa_cache_flush(wpa_s->wpa, wpa_s->current_ssid);
  }
#endif /* CONFIG_DPP */

#ifdef CONFIG_FILS
  /* Update ERP next sequence number */
  if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS) {
    fils_pmksa_cache_flush(wpa_s);
    eapol_sm_update_erp_next_seq_num(
      wpa_s->eapol,
      data->assoc_reject.fils_erp_next_seq_num);
    fils_connection_failure(wpa_s);
  }
#endif /* CONFIG_FILS */

  wpas_connection_failed(wpa_s, bssid, link_bssids);
  wpa_supplicant_mark_disassoc(wpa_s);
}


static void wpas_event_unprot_beacon(struct wpa_supplicant *wpa_s,
             struct unprot_beacon *data)
{
  struct wpabuf *buf;
  int res;

  if (!data || wpa_s->wpa_state != WPA_COMPLETED ||
      !ether_addr_equal(data->sa, wpa_s->bssid))
    return;
  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_UNPROT_BEACON MACSTR,
    MAC2STR(data->sa));

  buf = wpabuf_alloc(4);
  if (!buf)
    return;

  wpabuf_put_u8(buf, WLAN_ACTION_WNM);
  wpabuf_put_u8(buf, WNM_NOTIFICATION_REQ);
  wpabuf_put_u8(buf, 1); /* Dialog Token */
  wpabuf_put_u8(buf, WNM_NOTIF_TYPE_BEACON_PROTECTION_FAILURE);

  res = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
          wpa_s->own_addr, wpa_s->bssid,
          wpabuf_head(buf), wpabuf_len(buf), 0);
  if (res < 0)
    wpa_printf(MSG_DEBUG,
         "Failed to send WNM-Notification Request frame");

  wpabuf_free(buf);
}


static const char * bitmap_to_str(u8 value, char *buf)
{
  char *pos = buf;
  int i, k = 0;

  for (i = 7; i >= 0; i--)
    pos[k++] = (value & BIT(i)) ? '1' : '0';

  pos[8] = '\0';
  return pos;
}


static void wpas_tid_link_map(struct wpa_supplicant *wpa_s,
            struct tid_link_map_info *info)
{
  char map_info[1000], *pos, *end;
  int res, i;

  pos = map_info;
  end = pos + sizeof(map_info);
  res = os_snprintf(map_info, sizeof(map_info), "default=%d",
        info->default_map);
  if (os_snprintf_error(end - pos, res))
    return;
  pos += res;

  if (!info->default_map) {
    for_each_link(info->valid_links, i) {
      char uplink_map_str[9];
      char downlink_map_str[9];

      bitmap_to_str(info->t2lmap[i].uplink, uplink_map_str);
      bitmap_to_str(info->t2lmap[i].downlink,
              downlink_map_str);

      res = os_snprintf(pos, end - pos,
            " link_id=%d up_link=%s down_link=%s",
            i, uplink_map_str,
            downlink_map_str);
      if (os_snprintf_error(end - pos, res))
        return;
      pos += res;
    }
  }

  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_T2LM_UPDATE "%s", map_info);
}


static void wpas_setup_link_reconfig(struct wpa_supplicant *wpa_s,
             struct reconfig_info *info)
{
  const u8 *key_data = info->resp_ie;
  size_t key_data_len = 0;
  const u8 *ies, *end;
  bool success = false;
  int i;

  if (!info->added_links) {
    wpa_printf(MSG_INFO, "No links to be added");
    return;
  }

  if (wpa_drv_get_mlo_info(wpa_s) < 0) {
    wpa_printf(MSG_INFO,
         "SETUP_LINK_RECONFIG: Failed to set reconfig info to wpa_s");
    return;
  }

  if (wpa_sm_set_ml_info(wpa_s)) {
    wpa_printf(MSG_ERROR,
         "SETUP_LINK_RECONFIG: Failed to set reconfig info to wpa_sm");
    return;
  }

  wpa_hexdump(MSG_DEBUG, "MLD: Reconfiguration Status List",
        info->status_list, info->count * 3);
  for (i = 0; i < info->count; i++) {
    if (WPA_GET_LE16(info->status_list + i * 3 + 1) ==
        WLAN_STATUS_SUCCESS)
      success = true;
  }

  if (!key_data || info->resp_ie_len == 0)
    return;

  if (success) {
    /* Starting with Group Key Data subfield, Key Data Length
     * field */
    if (info->resp_ie_len < 1U + key_data[0]) {
      wpa_printf(MSG_INFO,
           "MLD: Invalid keys in the link setup response");
      return;
    }

    key_data_len = key_data[0];
    key_data++;
    wpa_hexdump_key(MSG_DEBUG,
        "MLD: Link reconfig resp - Group Key Data",
        key_data, key_data_len);

    if (wpa_sm_install_mlo_group_keys(wpa_s->wpa, key_data,
              key_data_len,
              info->added_links)) {
      wpa_printf(MSG_ERROR,
           "SETUP_LINK_RECONFIG: Failed to install group keys for added links");
      return;
    }
  }

  ies = key_data + key_data_len;
  end = info->resp_ie + info->resp_ie_len;
  wpa_hexdump(MSG_DEBUG, "MLD: Link reconfig resp - IEs", ies, end - ies);

  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_LINK_RECONFIG "valid_links=0x%x",
    wpa_s->valid_links);
}


static void wpas_link_reconfig(struct wpa_supplicant *wpa_s)
{
  u8 bssid[ETH_ALEN];

  if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
    wpa_printf(MSG_ERROR, "LINK_RECONFIG: Failed to get BSSID");
    wpa_supplicant_deauthenticate(wpa_s,
                WLAN_REASON_DEAUTH_LEAVING);
    return;
  }

  if (!ether_addr_equal(bssid, wpa_s->bssid)) {
    os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
    wpa_supplicant_update_current_bss(wpa_s, wpa_s->bssid);
    wpas_notify_bssid_changed(wpa_s);
  }

  if (wpa_drv_get_mlo_info(wpa_s) < 0) {
    wpa_printf(MSG_ERROR,
         "LINK_RECONFIG: Failed to get MLO connection info");
    wpa_supplicant_deauthenticate(wpa_s,
                WLAN_REASON_DEAUTH_LEAVING);
    return;
  }

  if (wpa_sm_set_ml_info(wpa_s)) {
    wpa_printf(MSG_ERROR,
         "LINK_RECONFIG: Failed to set MLO connection info to wpa_sm");
    wpa_supplicant_deauthenticate(wpa_s,
                WLAN_REASON_DEAUTH_LEAVING);
    return;
  }

  wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_LINK_RECONFIG "valid_links=0x%x",
    wpa_s->valid_links);
}


#ifdef CONFIG_PASN
static int wpas_pasn_auth(struct wpa_supplicant *wpa_s,
        const struct ieee80211_mgmt *mgmt, size_t len,
        int freq)
{
  struct ieee802_11_elems elems;
  size_t auth_length;

  auth_length = IEEE80211_HDRLEN + sizeof(mgmt->u.auth);

  if (len < auth_length) {
    wpa_printf(MSG_DEBUG, "PASN: Too short Authentication frame");
    return -2;
  }

  if (le_to_host16(mgmt->u.auth.auth_alg) != WLAN_AUTH_PASN) {
    wpa_printf(MSG_DEBUG,
         "PASN: Not a PASN Authentication frame, skip frame parsing");
    return -2;
  }

  if (ieee802_11_parse_elems(mgmt->u.auth.variable,
           len - offsetof(struct ieee80211_mgmt,
              u.auth.variable),
           &elems, 1) == ParseFailed) {
    wpa_printf(MSG_DEBUG,
         "PASN: Failed parsing Authentication frame");
    return -2;
  }

#ifdef CONFIG_P2P
  if (elems.p2p2_ie && elems.p2p2_ie_len)
    return wpas_p2p_pasn_auth_rx(wpa_s, mgmt, len, freq);
#endif /* CONFIG_P2P */
#ifdef CONFIG_PR
  if (elems.proximity_ranging && elems.proximity_ranging_len)
    return wpas_pr_pasn_auth_rx(wpa_s, mgmt, len, freq);
#endif /* CONFIG_PR */

  return wpas_pasn_auth_rx(wpa_s, mgmt, len);
}
#endif /* CONFIG_PASN */


void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
        union wpa_event_data *data)
{
  struct wpa_supplicant *wpa_s = ctx;
  int resched;
  struct os_reltime age, clear_at;
#ifndef CONFIG_NO_STDOUT_DEBUG
  int level = MSG_DEBUG;
#endif /* CONFIG_NO_STDOUT_DEBUG */

  if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
      event != EVENT_INTERFACE_ENABLED &&
      event != EVENT_INTERFACE_STATUS &&
      event != EVENT_SCAN_RESULTS &&
      event != EVENT_SCHED_SCAN_STOPPED) {
    wpa_dbg(wpa_s, MSG_DEBUG,
      "Ignore event %s (%d) while interface is disabled",
      event_to_string(event), event);
    return;
  }

#ifndef CONFIG_NO_STDOUT_DEBUG
  if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
    const struct ieee80211_hdr *hdr;
    u16 fc;
    hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
    fc = le_to_host16(hdr->frame_control);
    if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
        WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
      level = MSG_EXCESSIVE;
  }

  wpa_dbg(wpa_s, level, "Event %s (%d) received",
    event_to_string(event), event);
#endif /* CONFIG_NO_STDOUT_DEBUG */

  switch (event) {
  case EVENT_AUTH:
#ifdef CONFIG_FST
    if (!wpas_fst_update_mbie(wpa_s, data->auth.ies,
            data->auth.ies_len))
      wpa_printf(MSG_DEBUG,
           "FST: MB IEs updated from auth IE");
#endif /* CONFIG_FST */
    sme_event_auth(wpa_s, data);
    wpa_s->auth_status_code = data->auth.status_code;
    wpas_notify_auth_status_code(wpa_s);
    break;
  case EVENT_ASSOC:
#ifdef CONFIG_TESTING_OPTIONS
    if (wpa_s->ignore_auth_resp) {
      wpa_printf(MSG_INFO,
           "EVENT_ASSOC - ignore_auth_resp active!");
      break;
    }
    if (wpa_s->testing_resend_assoc) {
      wpa_printf(MSG_INFO,
           "EVENT_DEAUTH - testing_resend_assoc");
      break;
    }
#endif /* CONFIG_TESTING_OPTIONS */
    if (wpa_s->disconnected) {
      wpa_printf(MSG_INFO,
           "Ignore unexpected EVENT_ASSOC in disconnected state");
      break;
    }
#ifndef CONFIG_NO_ROBUST_AV
    if (dl_list_len(&wpa_s->active_scs_ids) > 0) {
      wpa_printf(MSG_DEBUG,
           "SCS rules renegotiation required after roaming");
      wpa_s->scs_reconfigure = true;
    }
#endif /* CONFIG_NO_ROBUST_AV */
    wpa_supplicant_event_assoc(wpa_s, data);
    wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS;
    if (data &&
        (data->assoc_info.authorized ||
         (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
          wpa_fils_is_completed(wpa_s->wpa))))
      wpa_supplicant_event_assoc_auth(wpa_s, data);
    if (data) {
      wpa_msg(wpa_s, MSG_INFO,
        WPA_EVENT_SUBNET_STATUS_UPDATE "status=%u",
        data->assoc_info.subnet_status);
    }
    break;
  case EVENT_DISASSOC:
    wpas_event_disassoc(wpa_s,
            data ? &data->disassoc_info : NULL);
    break;
  case EVENT_DEAUTH:
#ifdef CONFIG_TESTING_OPTIONS
    if (wpa_s->ignore_auth_resp) {
      wpa_printf(MSG_INFO,
           "EVENT_DEAUTH - ignore_auth_resp active!");
      break;
    }
    if (wpa_s->testing_resend_assoc) {
      wpa_printf(MSG_INFO,
           "EVENT_DEAUTH - testing_resend_assoc");
      break;
    }
#endif /* CONFIG_TESTING_OPTIONS */
    wpas_event_deauth(wpa_s,
          data ? &data->deauth_info : NULL);
    break;
  case EVENT_LINK_RECONFIG:
    wpas_link_reconfig(wpa_s);
    break;
  case EVENT_MICHAEL_MIC_FAILURE:
    wpa_supplicant_event_michael_mic_failure(wpa_s, data);
    break;
#ifndef CONFIG_NO_SCAN_PROCESSING
  case EVENT_SCAN_STARTED:
    if (wpa_s->own_scan_requested ||
        (data && !data->scan_info.external_scan)) {
      struct os_reltime diff;

      os_get_reltime(&wpa_s->scan_start_time);
      os_reltime_sub(&wpa_s->scan_start_time,
               &wpa_s->scan_trigger_time, &diff);
      wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
        diff.sec, diff.usec);
      wpa_s->own_scan_requested = 0;
      wpa_s->own_scan_running = 1;
      if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
          wpa_s->manual_scan_use_id) {
        wpa_msg_ctrl(wpa_s, MSG_INFO,
               WPA_EVENT_SCAN_STARTED "id=%u",
               wpa_s->manual_scan_id);
      } else {
        wpa_msg_ctrl(wpa_s, MSG_INFO,
               WPA_EVENT_SCAN_STARTED);
      }
    } else {
      wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
      wpa_s->radio->external_scan_req_interface = wpa_s;
      wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
    }
    break;
  case EVENT_SCAN_RESULTS:
    if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
      wpa_s->scan_res_handler = NULL;
      wpa_s->own_scan_running = 0;
      wpa_s->radio->external_scan_req_interface = NULL;
      wpa_s->last_scan_req = NORMAL_SCAN_REQ;
      break;
    }

    if (!(data && data->scan_info.external_scan) &&
        os_reltime_initialized(&wpa_s->scan_start_time)) {
      struct os_reltime now, diff;
      os_get_reltime(&now);
      os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
      wpa_s->scan_start_time.sec = 0;
      wpa_s->scan_start_time.usec = 0;
      wpa_s->wps_scan_done = true;
      wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
        diff.sec, diff.usec);
    }
    if (wpa_supplicant_event_scan_results(wpa_s, data))
      break; /* interface may have been removed */
    if (!(data && data->scan_info.external_scan))
      wpa_s->own_scan_running = 0;
    if (data && data->scan_info.nl_scan_event)
      wpa_s->radio->external_scan_req_interface = NULL;
    radio_work_check_next(wpa_s);
    break;
#endif /* CONFIG_NO_SCAN_PROCESSING */
  case EVENT_ASSOCINFO:
    wpa_supplicant_event_associnfo(wpa_s, data);
    break;
  case EVENT_INTERFACE_STATUS:
    wpa_supplicant_event_interface_status(wpa_s, data);
    break;
  case EVENT_PMKID_CANDIDATE:
    wpa_supplicant_event_pmkid_candidate(wpa_s, data);
    break;
#ifdef CONFIG_TDLS
  case EVENT_TDLS:
    wpa_supplicant_event_tdls(wpa_s, data);
    break;
#endif /* CONFIG_TDLS */
#ifdef CONFIG_WNM
  case EVENT_WNM:
    wpa_supplicant_event_wnm(wpa_s, data);
    break;
#endif /* CONFIG_WNM */
#ifdef CONFIG_IEEE80211R
  case EVENT_FT_RESPONSE:
    wpa_supplicant_event_ft_response(wpa_s, data);
    break;
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_IBSS_RSN
  case EVENT_IBSS_RSN_START:
    wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
    break;
#endif /* CONFIG_IBSS_RSN */
  case EVENT_ASSOC_REJECT:
    wpas_event_assoc_reject(wpa_s, data);
    break;
  case EVENT_AUTH_TIMED_OUT:
    /* It is possible to get this event from earlier connection */
    if (wpa_s->current_ssid &&
        wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
      wpa_dbg(wpa_s, MSG_DEBUG,
        "Ignore AUTH_TIMED_OUT in mesh configuration");
      break;
    }
    if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
      sme_event_auth_timed_out(wpa_s, data);
    break;
  case EVENT_ASSOC_TIMED_OUT:
    /* It is possible to get this event from earlier connection */
    if (wpa_s->current_ssid &&
        wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
      wpa_dbg(wpa_s, MSG_DEBUG,
        "Ignore ASSOC_TIMED_OUT in mesh configuration");
      break;
    }
    if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
      sme_event_assoc_timed_out(wpa_s, data);
    break;
  case EVENT_TX_STATUS:
    wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
      " type=%d stype=%d",
      MAC2STR(data->tx_status.dst),
      data->tx_status.type, data->tx_status.stype);
#ifdef CONFIG_WNM
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
        data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
        wnm_btm_resp_tx_status(wpa_s, data->tx_status.data,
             data->tx_status.data_len) == 0)
      break;
#endif /* CONFIG_WNM */
#ifdef CONFIG_PASN
#ifdef CONFIG_P2P
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
        data->tx_status.stype == WLAN_FC_STYPE_AUTH &&
        !wpa_s->pasn_auth_work &&
        wpa_s->p2p_pasn_auth_work &&
        wpas_p2p_pasn_auth_tx_status(wpa_s,
             data->tx_status.data,
             data->tx_status.data_len,
             data->tx_status.ack) == 0)
      break;
#endif /* CONFIG_P2P */
#ifdef CONFIG_PR
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
        data->tx_status.stype == WLAN_FC_STYPE_AUTH &&
        !wpa_s->pasn_auth_work &&
        wpa_s->pr_pasn_auth_work &&
        wpas_pr_pasn_auth_tx_status(wpa_s,
            data->tx_status.data,
            data->tx_status.data_len,
            data->tx_status.ack) == 0)
      break;
#endif /* CONFIG_PR */
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
        data->tx_status.stype == WLAN_FC_STYPE_AUTH &&
        wpas_pasn_auth_tx_status(wpa_s, data->tx_status.data,
               data->tx_status.data_len,
               data->tx_status.ack) == 0)
      break;
#endif /* CONFIG_PASN */
#ifdef CONFIG_AP
    if (wpa_s->ap_iface == NULL) {
#ifdef CONFIG_OFFCHANNEL
      if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
          data->tx_status.stype == WLAN_FC_STYPE_ACTION)
        offchannel_send_action_tx_status(
          wpa_s, data->tx_status.dst,
          data->tx_status.data,
          data->tx_status.data_len,
          data->tx_status.ack ?
          OFFCHANNEL_SEND_ACTION_SUCCESS :
          OFFCHANNEL_SEND_ACTION_NO_ACK);
#endif /* CONFIG_OFFCHANNEL */
      break;
    }
#endif /* CONFIG_AP */
#ifdef CONFIG_OFFCHANNEL
    wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
      MACSTR, MAC2STR(wpa_s->p2pdev->pending_action_dst));
    /*
     * Catch TX status events for Action frames we sent via group
     * interface in GO mode, or via standalone AP interface.
     * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
     * except when the primary interface is used as a GO interface
     * (for drivers which do not have group interface concurrency)
     */
    if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
        data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
        ether_addr_equal(wpa_s->p2pdev->pending_action_dst,
             data->tx_status.dst)) {
      offchannel_send_action_tx_status(
        wpa_s->p2pdev, data->tx_status.dst,
        data->tx_status.data,
        data->tx_status.data_len,
        data->tx_status.ack ?
        OFFCHANNEL_SEND_ACTION_SUCCESS :
        OFFCHANNEL_SEND_ACTION_NO_ACK);
      break;
    }
#endif /* CONFIG_OFFCHANNEL */
#ifdef CONFIG_AP
    switch (data->tx_status.type) {
    case WLAN_FC_TYPE_MGMT:
      ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
              data->tx_status.data_len,
              data->tx_status.stype,
              data->tx_status.ack);
      break;
    case WLAN_FC_TYPE_DATA:
      ap_tx_status(wpa_s, data->tx_status.dst,
             data->tx_status.data,
             data->tx_status.data_len,
             data->tx_status.ack);
      break;
    }
#endif /* CONFIG_AP */
    break;
#ifdef CONFIG_AP
  case EVENT_EAPOL_TX_STATUS:
    ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
           data->eapol_tx_status.data,
           data->eapol_tx_status.data_len,
           data->eapol_tx_status.ack);
    break;
  case EVENT_DRIVER_CLIENT_POLL_OK:
    ap_client_poll_ok(wpa_s, data->client_poll.addr);
    break;
  case EVENT_RX_FROM_UNKNOWN:
    if (wpa_s->ap_iface == NULL)
      break;
    ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
               data->rx_from_unknown.wds);
    break;
#endif /* CONFIG_AP */

  case EVENT_LINK_CH_SWITCH_STARTED:
  case EVENT_LINK_CH_SWITCH:
    if (!data || !wpa_s->current_ssid ||
        !(wpa_s->valid_links & BIT(data->ch_switch.link_id)))
      break;

    wpa_msg(wpa_s, MSG_INFO,
      "%sfreq=%d link_id=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
      event == EVENT_LINK_CH_SWITCH ?
      WPA_EVENT_LINK_CHANNEL_SWITCH :
      WPA_EVENT_LINK_CHANNEL_SWITCH_STARTED,
      data->ch_switch.freq,
      data->ch_switch.link_id,
      data->ch_switch.ht_enabled,
      data->ch_switch.ch_offset,
      channel_width_to_string(data->ch_switch.ch_width),
      data->ch_switch.cf1,
      data->ch_switch.cf2);
    if (event == EVENT_LINK_CH_SWITCH_STARTED)
      break;

    wpa_s->links[data->ch_switch.link_id].freq =
      data->ch_switch.freq;
    if (wpa_s->links[data->ch_switch.link_id].bss &&
        wpa_s->links[data->ch_switch.link_id].bss->freq !=
        data->ch_switch.freq) {
      wpa_s->links[data->ch_switch.link_id].bss->freq =
        data->ch_switch.freq;
      notify_bss_changes(
        wpa_s, WPA_BSS_FREQ_CHANGED_FLAG,
        wpa_s->links[data->ch_switch.link_id].bss);
    }
    break;
  case EVENT_CH_SWITCH_STARTED:
  case EVENT_CH_SWITCH:
    if (!data || !wpa_s->current_ssid)
      break;

    wpa_msg(wpa_s, MSG_INFO,
      "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
      event == EVENT_CH_SWITCH ? WPA_EVENT_CHANNEL_SWITCH :
      WPA_EVENT_CHANNEL_SWITCH_STARTED,
      data->ch_switch.freq,
      data->ch_switch.ht_enabled,
      data->ch_switch.ch_offset,
      channel_width_to_string(data->ch_switch.ch_width),
      data->ch_switch.cf1,
      data->ch_switch.cf2);
    if (event == EVENT_CH_SWITCH_STARTED)
      break;

    wpa_s->assoc_freq = data->ch_switch.freq;
    wpa_s->current_ssid->frequency = data->ch_switch.freq;
    if (wpa_s->current_bss &&
        wpa_s->current_bss->freq != data->ch_switch.freq) {
      wpa_s->current_bss->freq = data->ch_switch.freq;
      notify_bss_changes(wpa_s, WPA_BSS_FREQ_CHANGED_FLAG,
             wpa_s->current_bss);
    }

#ifdef CONFIG_SME
    switch (data->ch_switch.ch_offset) {
    case 1:
      wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_ABOVE;
      break;
    case -1:
      wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_BELOW;
      break;
    default:
      wpa_s->sme.ht_sec_chan = HT_SEC_CHAN_UNKNOWN;
      break;
    }
#endif /* CONFIG_SME */

#ifdef CONFIG_AP
    if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
        wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO ||
        wpa_s->current_ssid->mode == WPAS_MODE_MESH ||
        wpa_s->current_ssid->mode ==
        WPAS_MODE_P2P_GROUP_FORMATION) {
      wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
            data->ch_switch.ht_enabled,
            data->ch_switch.ch_offset,
            data->ch_switch.ch_width,
            data->ch_switch.cf1,
            data->ch_switch.cf2,
            data->ch_switch.punct_bitmap,
            1);
    }
#endif /* CONFIG_AP */

    if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
      sme_event_ch_switch(wpa_s);

    wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_CS);
    wnm_clear_coloc_intf_reporting(wpa_s);
    break;
#ifdef CONFIG_AP
#ifdef NEED_AP_MLME
  case EVENT_DFS_RADAR_DETECTED:
    if (data)
      wpas_ap_event_dfs_radar_detected(wpa_s,
               &data->dfs_event);
    break;
  case EVENT_DFS_NOP_FINISHED:
    if (data)
      wpas_ap_event_dfs_cac_nop_finished(wpa_s,
                 &data->dfs_event);
    break;
#endif /* NEED_AP_MLME */
#endif /* CONFIG_AP */
  case EVENT_DFS_CAC_STARTED:
    if (data)
      wpas_event_dfs_cac_started(wpa_s, &data->dfs_event);
    break;
  case EVENT_DFS_CAC_FINISHED:
    if (data)
      wpas_event_dfs_cac_finished(wpa_s, &data->dfs_event);
    break;
  case EVENT_DFS_CAC_ABORTED:
    if (data)
      wpas_event_dfs_cac_aborted(wpa_s, &data->dfs_event);
    break;
  case EVENT_RX_MGMT: {
    u16 fc, stype;
    const struct ieee80211_mgmt *mgmt;

#ifdef CONFIG_TESTING_OPTIONS
    if (wpa_s->ext_mgmt_frame_handling) {
      struct rx_mgmt *rx = &data->rx_mgmt;
      size_t hex_len = 2 * rx->frame_len + 1;
      char *hex = os_malloc(hex_len);
      if (hex) {
        wpa_snprintf_hex(hex, hex_len,
             rx->frame, rx->frame_len);
        wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
          rx->freq, rx->datarate, rx->ssi_signal,
          hex);
        os_free(hex);
      }
      break;
    }
#endif /* CONFIG_TESTING_OPTIONS */

    mgmt = (const struct ieee80211_mgmt *)
      data->rx_mgmt.frame;
    fc = le_to_host16(mgmt->frame_control);
    stype = WLAN_FC_GET_STYPE(fc);

#ifdef CONFIG_AP
    if (wpa_s->ap_iface == NULL) {
#endif /* CONFIG_AP */
#ifdef CONFIG_P2P
      if (stype == WLAN_FC_STYPE_PROBE_REQ &&
          data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
        const u8 *src = mgmt->sa;
        const u8 *ie;
        size_t ie_len;

        ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
        ie_len = data->rx_mgmt.frame_len -
          IEEE80211_HDRLEN;
        wpas_p2p_probe_req_rx(
          wpa_s, src, mgmt->da,
          mgmt->bssid, ie, ie_len,
          data->rx_mgmt.freq,
          data->rx_mgmt.ssi_signal);
        break;
      }
#endif /* CONFIG_P2P */
#ifdef CONFIG_IBSS_RSN
      if (wpa_s->current_ssid &&
          wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
          stype == WLAN_FC_STYPE_AUTH &&
          data->rx_mgmt.frame_len >= 30) {
        wpa_supplicant_event_ibss_auth(wpa_s, data);
        break;
      }
#endif /* CONFIG_IBSS_RSN */

      if (stype == WLAN_FC_STYPE_ACTION) {
        wpas_event_rx_mgmt_action(
          wpa_s, data->rx_mgmt.frame,
          data->rx_mgmt.frame_len,
          data->rx_mgmt.freq,
          data->rx_mgmt.ssi_signal);
        break;
      }

      if (wpa_s->ifmsh) {
        mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
        break;
      }
#ifdef CONFIG_PASN
      if (stype == WLAN_FC_STYPE_AUTH &&
          wpas_pasn_auth(wpa_s, mgmt, data->rx_mgmt.frame_len,
             data->rx_mgmt.freq) != -2)
        break;
#endif /* CONFIG_PASN */

#ifdef CONFIG_SAE
      if (stype == WLAN_FC_STYPE_AUTH &&
          !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
          (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) {
        sme_external_auth_mgmt_rx(
          wpa_s, data->rx_mgmt.frame,
          data->rx_mgmt.frame_len);
        break;
      }
#endif /* CONFIG_SAE */
      wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
        "management frame in non-AP mode");
      break;
#ifdef CONFIG_AP
    }

    if (stype == WLAN_FC_STYPE_PROBE_REQ &&
        data->rx_mgmt.frame_len > IEEE80211_HDRLEN) {
      const u8 *ie;
      size_t ie_len;

      ie = data->rx_mgmt.frame + IEEE80211_HDRLEN;
      ie_len = data->rx_mgmt.frame_len - IEEE80211_HDRLEN;

      wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
           mgmt->bssid, ie, ie_len,
           data->rx_mgmt.ssi_signal);
    }

    ap_mgmt_rx(wpa_s, &data->rx_mgmt);
#endif /* CONFIG_AP */
    break;
    }
  case EVENT_RX_PROBE_REQ:
    if (data->rx_probe_req.sa == NULL ||
        data->rx_probe_req.ie == NULL)
      break;
#ifdef CONFIG_AP
    if (wpa_s->ap_iface) {
      hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
               data->rx_probe_req.sa,
               data->rx_probe_req.da,
               data->rx_probe_req.bssid,
               data->rx_probe_req.ie,
               data->rx_probe_req.ie_len,
               data->rx_probe_req.ssi_signal);
      break;
    }
#endif /* CONFIG_AP */
    wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
              data->rx_probe_req.da,
              data->rx_probe_req.bssid,
              data->rx_probe_req.ie,
              data->rx_probe_req.ie_len,
              0,
              data->rx_probe_req.ssi_signal);
    break;
  case EVENT_REMAIN_ON_CHANNEL:
#ifdef CONFIG_OFFCHANNEL
    offchannel_remain_on_channel_cb(
      wpa_s, data->remain_on_channel.freq,
      data->remain_on_channel.duration);
#endif /* CONFIG_OFFCHANNEL */
    wpas_p2p_remain_on_channel_cb(
      wpa_s, data->remain_on_channel.freq,
      data->remain_on_channel.duration);
#ifdef CONFIG_DPP
    wpas_dpp_remain_on_channel_cb(
      wpa_s, data->remain_on_channel.freq,
      data->remain_on_channel.duration);
#endif /* CONFIG_DPP */
#ifdef CONFIG_NAN_USD
    wpas_nan_usd_remain_on_channel_cb(
      wpa_s, data->remain_on_channel.freq,
      data->remain_on_channel.duration);
#endif /* CONFIG_NAN_USD */
    break;
  case EVENT_CANCEL_REMAIN_ON_CHANNEL:
#ifdef CONFIG_OFFCHANNEL
    offchannel_cancel_remain_on_channel_cb(
      wpa_s, data->remain_on_channel.freq);
#endif /* CONFIG_OFFCHANNEL */
    wpas_p2p_cancel_remain_on_channel_cb(
      wpa_s, data->remain_on_channel.freq);
#ifdef CONFIG_DPP
    wpas_dpp_cancel_remain_on_channel_cb(
      wpa_s, data->remain_on_channel.freq);
#endif /* CONFIG_DPP */
#ifdef CONFIG_NAN_USD
    wpas_nan_usd_cancel_remain_on_channel_cb(
      wpa_s, data->remain_on_channel.freq);
#endif /* CONFIG_NAN_USD */
    break;
  case EVENT_EAPOL_RX:
    wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
          data->eapol_rx.data,
          data->eapol_rx.data_len,
          data->eapol_rx.encrypted);
    break;
  case EVENT_SIGNAL_CHANGE:
    wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
           "above=%d signal=%d noise=%d txrate=%lu",
           data->signal_change.above_threshold,
           data->signal_change.data.signal,
           data->signal_change.current_noise,
           data->signal_change.data.current_tx_rate);
    wpa_bss_update_level(wpa_s->current_bss,
             data->signal_change.data.signal);
    bgscan_notify_signal_change(
      wpa_s, data->signal_change.above_threshold,
      data->signal_change.data.signal,
      data->signal_change.current_noise,
      data->signal_change.data.current_tx_rate);
    os_memcpy(&wpa_s->last_signal_info, data,
        sizeof(struct wpa_signal_info));
    wpas_notify_signal_change(wpa_s);
    break;
  case EVENT_INTERFACE_MAC_CHANGED:
    wpa_supplicant_update_mac_addr(wpa_s);
    wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
    break;
  case EVENT_INTERFACE_ENABLED:
    wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
    if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
      u8 addr[ETH_ALEN];

      eloop_cancel_timeout(wpas_clear_disabled_interface,
               wpa_s, NULL);
      os_memcpy(addr, wpa_s->own_addr, ETH_ALEN);
      wpa_supplicant_update_mac_addr(wpa_s);
      if (!ether_addr_equal(addr, wpa_s->own_addr))
        wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
      else
        wpa_sm_pmksa_cache_reconfig(wpa_s->wpa);
      wpa_supplicant_set_default_scan_ies(wpa_s);
      if (wpa_s->p2p_mgmt) {
        wpa_supplicant_set_state(wpa_s,
               WPA_DISCONNECTED);
        break;
      }

#ifdef CONFIG_AP
      if (!wpa_s->ap_iface) {
        wpa_supplicant_set_state(wpa_s,
               WPA_DISCONNECTED);
        wpa_s->scan_req = NORMAL_SCAN_REQ;
        wpa_supplicant_req_scan(wpa_s, 0, 0);
      } else
        wpa_supplicant_set_state(wpa_s,
               WPA_COMPLETED);
#else /* CONFIG_AP */
      wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
      wpa_supplicant_req_scan(wpa_s, 0, 0);
#endif /* CONFIG_AP */
    }
    break;
  case EVENT_INTERFACE_DISABLED:
    wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
#ifdef CONFIG_P2P
    if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
        (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
         wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
      /*
       * Mark interface disabled if this happens to end up not
       * being removed as a separate P2P group interface.
       */
      wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
      /*
       * The interface was externally disabled. Remove
       * it assuming an external entity will start a
       * new session if needed.
       */
      if (wpa_s->current_ssid &&
          wpa_s->current_ssid->p2p_group)
        wpas_p2p_interface_unavailable(wpa_s);
      else
        wpas_p2p_disconnect(wpa_s);
      /*
       * wpa_s instance may have been freed, so must not use
       * it here anymore.
       */
      break;
    }
    if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
        p2p_in_progress(wpa_s->global->p2p) > 1) {
      /* This radio work will be cancelled, so clear P2P
       * state as well.
       */
      p2p_stop_find(wpa_s->global->p2p);
    }
#endif /* CONFIG_P2P */

    if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
      /*
       * Indicate disconnection to keep ctrl_iface events
       * consistent.
       */
      wpa_supplicant_event_disassoc(
        wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
    }
    wpa_supplicant_mark_disassoc(wpa_s);
    os_reltime_age(&wpa_s->last_scan, &age);
    if (age.sec >= wpa_s->conf->scan_res_valid_for_connect) {
      clear_at.sec = wpa_s->conf->scan_res_valid_for_connect;
      clear_at.usec = 0;
    } else {
      struct os_reltime tmp;

      tmp.sec = wpa_s->conf->scan_res_valid_for_connect;
      tmp.usec = 0;
      os_reltime_sub(&tmp, &age, &clear_at);
    }
    eloop_register_timeout(clear_at.sec, clear_at.usec,
               wpas_clear_disabled_interface,
               wpa_s, NULL);
    radio_remove_works(wpa_s, NULL, 0);

    wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
    break;
  case EVENT_CHANNEL_LIST_CHANGED:
    wpa_supplicant_update_channel_list(
      wpa_s, &data->channel_list_changed);
    break;
  case EVENT_INTERFACE_UNAVAILABLE:
    wpas_p2p_interface_unavailable(wpa_s);
    break;
  case EVENT_BEST_CHANNEL:
    wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
      "(%d %d %d)",
      data->best_chan.freq_24, data->best_chan.freq_5,
      data->best_chan.freq_overall);
    wpa_s->best_24_freq = data->best_chan.freq_24;
    wpa_s->best_5_freq = data->best_chan.freq_5;
    wpa_s->best_overall_freq = data->best_chan.freq_overall;
    wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
                data->best_chan.freq_5,
                data->best_chan.freq_overall);
    break;
  case EVENT_UNPROT_DEAUTH:
    wpa_supplicant_event_unprot_deauth(wpa_s,
               &data->unprot_deauth);
    break;
  case EVENT_UNPROT_DISASSOC:
    wpa_supplicant_event_unprot_disassoc(wpa_s,
                 &data->unprot_disassoc);
    break;
  case EVENT_STATION_LOW_ACK:
#ifdef CONFIG_AP
    if (wpa_s->ap_iface && data)
      hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
              data->low_ack.addr);
#endif /* CONFIG_AP */
#ifdef CONFIG_TDLS
    if (data)
      wpa_tdls_disable_unreachable_link(wpa_s->wpa,
                data->low_ack.addr);
#endif /* CONFIG_TDLS */
    break;
  case EVENT_IBSS_PEER_LOST:
#ifdef CONFIG_IBSS_RSN
    ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
#endif /* CONFIG_IBSS_RSN */
    break;
  case EVENT_DRIVER_GTK_REKEY:
    if (!ether_addr_equal(data->driver_gtk_rekey.bssid,
              wpa_s->bssid))
      break;
    if (!wpa_s->wpa)
      break;
    wpa_sm_update_replay_ctr(wpa_s->wpa,
           data->driver_gtk_rekey.replay_ctr);
    break;
  case EVENT_SCHED_SCAN_STOPPED:
    wpa_s->sched_scanning = 0;
    resched = wpa_s->scanning && wpas_scan_scheduled(wpa_s);
    wpa_supplicant_notify_scanning(wpa_s, 0);

    if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
      break;

    /*
     * If the driver stopped scanning without being requested to,
     * request a new scan to continue scanning for networks.
     */
    if (!wpa_s->sched_scan_stop_req &&
        wpa_s->wpa_state == WPA_SCANNING) {
      wpa_dbg(wpa_s, MSG_DEBUG,
        "Restart scanning after unexpected sched_scan stop event");
      wpa_supplicant_req_scan(wpa_s, 1, 0);
      break;
    }

    wpa_s->sched_scan_stop_req = 0;

    /*
     * Start a new sched scan to continue searching for more SSIDs
     * either if timed out or PNO schedule scan is pending.
     */
    if (wpa_s->sched_scan_timed_out) {
      wpa_supplicant_req_sched_scan(wpa_s);
    } else if (wpa_s->pno_sched_pending) {
      wpa_s->pno_sched_pending = 0;
      wpas_start_pno(wpa_s);
    } else if (resched) {
      wpa_supplicant_req_scan(wpa_s, 0, 0);
    }

    break;
  case EVENT_WPS_BUTTON_PUSHED:
#ifdef CONFIG_WPS
    wpas_wps_start_pbc(wpa_s, NULL, 0, 0);
#endif /* CONFIG_WPS */
    break;
  case EVENT_AVOID_FREQUENCIES:
    wpa_supplicant_notify_avoid_freq(wpa_s, data);
    break;
  case EVENT_CONNECT_FAILED_REASON:
#ifdef CONFIG_AP
    if (!wpa_s->ap_iface || !data)
      break;
    hostapd_event_connect_failed_reason(
      wpa_s->ap_iface->bss[0],
      data->connect_failed_reason.addr,
      data->connect_failed_reason.code);
#endif /* CONFIG_AP */
    break;
  case EVENT_NEW_PEER_CANDIDATE:
#ifdef CONFIG_MESH
    if (!wpa_s->ifmsh || !data)
      break;
    wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
             data->mesh_peer.ies,
             data->mesh_peer.ie_len);
#endif /* CONFIG_MESH */
    break;
  case EVENT_SURVEY:
#ifdef CONFIG_AP
    if (!wpa_s->ap_iface)
      break;
    hostapd_event_get_survey(wpa_s->ap_iface,
           &data->survey_results);
#endif /* CONFIG_AP */
    break;
  case EVENT_ACS_CHANNEL_SELECTED:
#ifdef CONFIG_AP
#ifdef CONFIG_ACS
    if (!wpa_s->ap_iface)
      break;
    hostapd_acs_channel_selected(wpa_s->ap_iface->bss[0],
               &data->acs_selected_channels);
#endif /* CONFIG_ACS */
#endif /* CONFIG_AP */
    break;
  case EVENT_P2P_LO_STOP:
#ifdef CONFIG_P2P
    wpa_s->p2p_lo_started = 0;
    wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_LISTEN_OFFLOAD_STOP
      P2P_LISTEN_OFFLOAD_STOP_REASON "reason=%d",
      data->p2p_lo_stop.reason_code);
#endif /* CONFIG_P2P */
    break;
  case EVENT_BEACON_LOSS:
    if (!wpa_s->current_bss || !wpa_s->current_ssid)
      break;
    wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_BEACON_LOSS);
    bgscan_notify_beacon_loss(wpa_s);
    break;
  case EVENT_EXTERNAL_AUTH:
#ifdef CONFIG_SAE
    if (!wpa_s->current_ssid) {
      wpa_printf(MSG_DEBUG, "SAE: current_ssid is NULL");
      break;
    }
    sme_external_auth_trigger(wpa_s, data);
#endif /* CONFIG_SAE */
    break;
#ifdef CONFIG_PASN
  case EVENT_PASN_AUTH:
    wpas_pasn_auth_trigger(wpa_s, &data->pasn_auth);
    break;
#endif /* CONFIG_PASN */
  case EVENT_PORT_AUTHORIZED:
#ifdef CONFIG_AP
    if (wpa_s->ap_iface && wpa_s->ap_iface->bss[0]) {
      struct sta_info *sta;

      sta = ap_get_sta(wpa_s->ap_iface->bss[0],
           data->port_authorized.sta_addr);
      if (sta)
        ap_sta_set_authorized(wpa_s->ap_iface->bss[0],
                  sta, 1);
      else
        wpa_printf(MSG_DEBUG,
             "No STA info matching port authorized event found");
      break;
    }
#endif /* CONFIG_AP */
#ifndef CONFIG_NO_WPA
    if (data->port_authorized.td_bitmap_len) {
      wpa_printf(MSG_DEBUG,
           "WPA3: Transition Disable bitmap from the driver event: 0x%x",
           data->port_authorized.td_bitmap[0]);
      wpas_transition_disable(
        wpa_s, data->port_authorized.td_bitmap[0]);
    }
#endif /* CONFIG_NO_WPA */
    wpa_supplicant_event_port_authorized(wpa_s);
    break;
  case EVENT_STATION_OPMODE_CHANGED:
#ifdef CONFIG_AP
    if (!wpa_s->ap_iface || !data)
      break;

    hostapd_event_sta_opmode_changed(wpa_s->ap_iface->bss[0],
             data->sta_opmode.addr,
             data->sta_opmode.smps_mode,
             data->sta_opmode.chan_width,
             data->sta_opmode.rx_nss);
#endif /* CONFIG_AP */
    break;
  case EVENT_UNPROT_BEACON:
    wpas_event_unprot_beacon(wpa_s, &data->unprot_beacon);
    break;
  case EVENT_TX_WAIT_EXPIRE:
#ifdef CONFIG_DPP
    wpas_dpp_tx_wait_expire(wpa_s);
#endif /* CONFIG_DPP */
#ifdef CONFIG_NAN_USD
    wpas_nan_usd_tx_wait_expire(wpa_s);
#endif /* CONFIG_NAN_USD */
    break;
  case EVENT_TID_LINK_MAP:
    if (data)
      wpas_tid_link_map(wpa_s, &data->t2l_map_info);
    break;
  case EVENT_SETUP_LINK_RECONFIG:
    if (data)
      wpas_setup_link_reconfig(wpa_s, &data->reconfig_info);
    break;
  default:
    wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
    break;
  }
}


void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
         union wpa_event_data *data)
{
  struct wpa_supplicant *wpa_s;

  if (event != EVENT_INTERFACE_STATUS)
    return;

  wpa_s = wpa_supplicant_get_iface(ctx, data->interface_status.ifname);
  if (wpa_s && wpa_s->driver->get_ifindex) {
    unsigned int ifindex;

    ifindex = wpa_s->driver->get_ifindex(wpa_s->drv_priv);
    if (ifindex != data->interface_status.ifindex) {
      wpa_dbg(wpa_s, MSG_DEBUG,
        "interface status ifindex %d mismatch (%d)",
        ifindex, data->interface_status.ifindex);
      return;
    }
  }
#ifdef CONFIG_MATCH_IFACE
  else if (data->interface_status.ievent == EVENT_INTERFACE_ADDED) {
    struct wpa_interface *wpa_i;

    wpa_i = wpa_supplicant_match_iface(
      ctx, data->interface_status.ifname);
    if (!wpa_i)
      return;
    wpa_s = wpa_supplicant_add_iface(ctx, wpa_i, NULL);
    os_free(wpa_i);
  }
#endif /* CONFIG_MATCH_IFACE */

  if (wpa_s)
    wpa_supplicant_event(wpa_s, event, data);
}

Coverage Report

Created: 2025-10-28 06:59