text: /*
   * hostapd / Initialization and configuration
   * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
   *
   * This software may be distributed under the terms of the BSD license.
   * See README for more details.
   */
  
  #include "utils/includes.h"
  
  #include "utils/common.h"
  #include "utils/eloop.h"
  #include "common/ieee802_11_defs.h"
  #include "radius/radius_client.h"
  #include "radius/radius_das.h"
  #include "drivers/driver.h"
  #include "hostapd.h"
  #include "authsrv.h"
  #include "sta_info.h"
  #include "accounting.h"
  #include "ap_list.h"
  #include "beacon.h"
  #include "iapp.h"
  #include "ieee802_1x.h"
  #include "ieee802_11_auth.h"
  #include "vlan_init.h"
  #include "wpa_auth.h"
  #include "wps_hostapd.h"
  #include "hw_features.h"
  #include "wpa_auth_glue.h"
  #include "ap_drv_ops.h"
  #include "ap_config.h"
  #include "p2p_hostapd.h"
  #include "gas_serv.h"
  
  
  static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason);
  static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd);
  static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd);
  
  extern int wpa_debug_level;
  extern struct wpa_driver_ops *wpa_drivers[];
  
  
  int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
  			       int (*cb)(struct hostapd_iface *iface,
  					 void *ctx), void *ctx)
  {
  	size_t i;
  	int ret;
  
  	for (i = 0; i < interfaces->count; i++) {
  		ret = cb(interfaces->iface[i], ctx);
  		if (ret)
  			return ret;
  	}
  
  	return 0;
  }
  
  
  static void hostapd_reload_bss(struct hostapd_data *hapd)
  {
  #ifndef CONFIG_NO_RADIUS
  	radius_client_reconfig(hapd->radius, hapd->conf->radius);
  #endif /* CONFIG_NO_RADIUS */
  
  	if (hostapd_setup_wpa_psk(hapd->conf)) {
  		wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
  			   "after reloading configuration");
  	}
  
  	if (hapd->conf->ieee802_1x || hapd->conf->wpa)
  		hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1);
  	else
  		hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
  
  	if (hapd->conf->wpa && hapd->wpa_auth == NULL) {
  		hostapd_setup_wpa(hapd);
  		if (hapd->wpa_auth)
  			wpa_init_keys(hapd->wpa_auth);
  	} else if (hapd->conf->wpa) {
  		const u8 *wpa_ie;
  		size_t wpa_ie_len;
  		hostapd_reconfig_wpa(hapd);
  		wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
  		if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len))
  			wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
  				   "the kernel driver.");
  	} else if (hapd->wpa_auth) {
  		wpa_deinit(hapd->wpa_auth);
  		hapd->wpa_auth = NULL;
  		hostapd_set_privacy(hapd, 0);
  		hostapd_setup_encryption(hapd->conf->iface, hapd);
  		hostapd_set_generic_elem(hapd, (u8 *) "", 0);
  	}
  
  	ieee802_11_set_beacon(hapd);
  	hostapd_update_wps(hapd);
  
  	if (hapd->conf->ssid.ssid_set &&
  	    hostapd_set_ssid(hapd, hapd->conf->ssid.ssid,
  			     hapd->conf->ssid.ssid_len)) {
  		wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
  		/* try to continue */
  	}
  	wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
  }
  
  
  int hostapd_reload_config(struct hostapd_iface *iface)
  {
  	struct hostapd_data *hapd = iface->bss[0];
  	struct hostapd_config *newconf, *oldconf;
  	size_t j;
  
  	if (iface->interfaces == NULL ||
  	    iface->interfaces->config_read_cb == NULL)
  		return -1;
  	newconf = iface->interfaces->config_read_cb(iface->config_fname);
  	if (newconf == NULL)
  		return -1;
  
  	/*
  	 * Deauthenticate all stations since the new configuration may not
  	 * allow them to use the BSS anymore.
  	 */
  	for (j = 0; j < iface->num_bss; j++) {
  		hostapd_flush_old_stations(iface->bss[j],
  					   WLAN_REASON_PREV_AUTH_NOT_VALID);
  		hostapd_broadcast_wep_clear(iface->bss[j]);
  
  #ifndef CONFIG_NO_RADIUS
  		/* TODO: update dynamic data based on changed configuration
  		 * items (e.g., open/close sockets, etc.) */
  		radius_client_flush(iface->bss[j]->radius, 0);
  #endif /* CONFIG_NO_RADIUS */
  	}
  
  	oldconf = hapd->iconf;
  	iface->conf = newconf;
  
  	for (j = 0; j < iface->num_bss; j++) {
  		hapd = iface->bss[j];
  		hapd->iconf = newconf;
  		hapd->conf = &newconf->bss[j];
  		hostapd_reload_bss(hapd);
  	}
  
  	hostapd_config_free(oldconf);
  
  
  	return 0;
  }
  
  
  static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
  					      char *ifname)
  {
  	int i;
  
  	for (i = 0; i < NUM_WEP_KEYS; i++) {
  		if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i,
  					0, NULL, 0, NULL, 0)) {
  			wpa_printf(MSG_DEBUG, "Failed to clear default "
  				   "encryption keys (ifname=%s keyidx=%d)",
  				   ifname, i);
  		}
  	}
  #ifdef CONFIG_IEEE80211W
  	if (hapd->conf->ieee80211w) {
  		for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) {
  			if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE,
  						NULL, i, 0, NULL,
  						0, NULL, 0)) {
  				wpa_printf(MSG_DEBUG, "Failed to clear "
  					   "default mgmt encryption keys "
  					   "(ifname=%s keyidx=%d)", ifname, i);
  			}
  		}
  	}
  #endif /* CONFIG_IEEE80211W */
  }
  
  
  static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd)
  {
  	hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface);
  	return 0;
  }
  
  
  static int hostapd_broadcast_wep_set(struct hostapd_data *hapd)
  {
  	int errors = 0, idx;
  	struct hostapd_ssid *ssid = &hapd->conf->ssid;
  
  	idx = ssid->wep.idx;
  	if (ssid->wep.default_len &&
  	    hostapd_drv_set_key(hapd->conf->iface,
  				hapd, WPA_ALG_WEP, broadcast_ether_addr, idx,
  				1, NULL, 0, ssid->wep.key[idx],
  				ssid->wep.len[idx])) {
  		wpa_printf(MSG_WARNING, "Could not set WEP encryption.");
  		errors++;
  	}
  
  	if (ssid->dyn_vlan_keys) {
  		size_t i;
  		for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
  			const char *ifname;
  			struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i];
  			if (key == NULL)
  				continue;
  			ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan,
  							    i);
  			if (ifname == NULL)
  				continue;
  
  			idx = key->idx;
  			if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_WEP,
  						broadcast_ether_addr, idx, 1,
  						NULL, 0, key->key[idx],
  						key->len[idx])) {
  				wpa_printf(MSG_WARNING, "Could not set "
  					   "dynamic VLAN WEP encryption.");
  				errors++;
  			}
  		}
  	}
  
  	return errors;
  }
  
  
  static void hostapd_free_hapd_data(struct hostapd_data *hapd)
  {
  	iapp_deinit(hapd->iapp);
  	hapd->iapp = NULL;
  	accounting_deinit(hapd);
  	hostapd_deinit_wpa(hapd);
  	vlan_deinit(hapd);
  	hostapd_acl_deinit(hapd);
  #ifndef CONFIG_NO_RADIUS
  	radius_client_deinit(hapd->radius);
  	hapd->radius = NULL;
  	radius_das_deinit(hapd->radius_das);
  	hapd->radius_das = NULL;
  #endif /* CONFIG_NO_RADIUS */
  
  	hostapd_deinit_wps(hapd);
  
  	authsrv_deinit(hapd);
  
  	if (hapd->interface_added &&
  	    hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) {
  		wpa_printf(MSG_WARNING, "Failed to remove BSS interface %s",
  			   hapd->conf->iface);
  	}
  
  	os_free(hapd->probereq_cb);
  	hapd->probereq_cb = NULL;
  
  #ifdef CONFIG_P2P
  	wpabuf_free(hapd->p2p_beacon_ie);
  	hapd->p2p_beacon_ie = NULL;
  	wpabuf_free(hapd->p2p_probe_resp_ie);
  	hapd->p2p_probe_resp_ie = NULL;
  #endif /* CONFIG_P2P */
  
  	wpabuf_free(hapd->time_adv);
  
  #ifdef CONFIG_INTERWORKING
  	gas_serv_deinit(hapd);
  #endif /* CONFIG_INTERWORKING */
  
  #ifdef CONFIG_SQLITE
  	os_free(hapd->tmp_eap_user.identity);
  	os_free(hapd->tmp_eap_user.password);
  #endif /* CONFIG_SQLITE */
  }
  
  
  /**
   * hostapd_cleanup - Per-BSS cleanup (deinitialization)
   * @hapd: Pointer to BSS data
   *
   * This function is used to free all per-BSS data structures and resources.
   * This gets called in a loop for each BSS between calls to
   * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface
   * is deinitialized. Most of the modules that are initialized in
   * hostapd_setup_bss() are deinitialized here.
   */
  static void hostapd_cleanup(struct hostapd_data *hapd)
  {
  	if (hapd->iface->interfaces &&
  	    hapd->iface->interfaces->ctrl_iface_deinit)
  		hapd->iface->interfaces->ctrl_iface_deinit(hapd);
  	hostapd_free_hapd_data(hapd);
  }
  
  
  /**
   * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup
   * @iface: Pointer to interface data
   *
   * This function is called before per-BSS data structures are deinitialized
   * with hostapd_cleanup().
   */
  static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface)
  {
  }
  
  
  static void hostapd_cleanup_iface_partial(struct hostapd_iface *iface)
  {
  	hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
  	iface->hw_features = NULL;
  	os_free(iface->current_rates);
  	iface->current_rates = NULL;
  	os_free(iface->basic_rates);
  	iface->basic_rates = NULL;
  	ap_list_deinit(iface);
  }
  
  
  /**
   * hostapd_cleanup_iface - Complete per-interface cleanup
   * @iface: Pointer to interface data
   *
   * This function is called after per-BSS data structures are deinitialized
   * with hostapd_cleanup().
   */
  static void hostapd_cleanup_iface(struct hostapd_iface *iface)
  {
  	hostapd_cleanup_iface_partial(iface);
  	hostapd_config_free(iface->conf);
  	iface->conf = NULL;
  
  	os_free(iface->config_fname);
  	os_free(iface->bss);
  	os_free(iface);
  }
  
  
  static void hostapd_clear_wep(struct hostapd_data *hapd)
  {
  	if (hapd->drv_priv) {
  		hostapd_set_privacy(hapd, 0);
  		hostapd_broadcast_wep_clear(hapd);
  	}
  }
  
  
  static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
  {
  	int i;
  
  	hostapd_broadcast_wep_set(hapd);
  
  	if (hapd->conf->ssid.wep.default_len) {
  		hostapd_set_privacy(hapd, 1);
  		return 0;
  	}
  
  	/*
  	 * When IEEE 802.1X is not enabled, the driver may need to know how to
  	 * set authentication algorithms for static WEP.
  	 */
  	hostapd_drv_set_authmode(hapd, hapd->conf->auth_algs);
  
  	for (i = 0; i < 4; i++) {
  		if (hapd->conf->ssid.wep.key[i] &&
  		    hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i,
  					i == hapd->conf->ssid.wep.idx, NULL, 0,
  					hapd->conf->ssid.wep.key[i],
  					hapd->conf->ssid.wep.len[i])) {
  			wpa_printf(MSG_WARNING, "Could not set WEP "
  				   "encryption.");
  			return -1;
  		}
  		if (hapd->conf->ssid.wep.key[i] &&
  		    i == hapd->conf->ssid.wep.idx)
  			hostapd_set_privacy(hapd, 1);
  	}
  
  	return 0;
  }
  
  
  static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason)
  {
  	int ret = 0;
  	u8 addr[ETH_ALEN];
  
  	if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL)
  		return 0;
  
  	wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Flushing old station entries");
  	if (hostapd_flush(hapd)) {
  		wpa_msg(hapd->msg_ctx, MSG_WARNING, "Could not connect to "
  			"kernel driver");
  		ret = -1;
  	}
  	wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Deauthenticate all stations");
  	os_memset(addr, 0xff, ETH_ALEN);
  	if (!hostapd_is_mesh(hapd))
  		hostapd_drv_sta_deauth(hapd, addr, reason);
  	hostapd_free_stas(hapd);
  
  	return ret;
  }
  
  
  /**
   * hostapd_validate_bssid_configuration - Validate BSSID configuration
   * @iface: Pointer to interface data
   * Returns: 0 on success, -1 on failure
   *
   * This function is used to validate that the configured BSSIDs are valid.
   */
  static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface)
  {
  	u8 mask[ETH_ALEN] = { 0 };
  	struct hostapd_data *hapd = iface->bss[0];
  	unsigned int i = iface->conf->num_bss, bits = 0, j;
  	int auto_addr = 0;
  
  	if (hostapd_drv_none(hapd))
  		return 0;
  
  	/* Generate BSSID mask that is large enough to cover the BSSIDs. */
  
  	/* Determine the bits necessary to cover the number of BSSIDs. */
  	for (i--; i; i >>= 1)
  		bits++;
  
  	/* Determine the bits necessary to any configured BSSIDs,
  	   if they are higher than the number of BSSIDs. */
  	for (j = 0; j < iface->conf->num_bss; j++) {
  		if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0) {
  			if (j)
  				auto_addr++;
  			continue;
  		}
  
  		for (i = 0; i < ETH_ALEN; i++) {
  			mask[i] |=
  				iface->conf->bss[j].bssid[i] ^
  				hapd->own_addr[i];
  		}
  	}
  
  	if (!auto_addr)
  		goto skip_mask_ext;
  
  	for (i = 0; i < ETH_ALEN && mask[i] == 0; i++)
  		;
  	j = 0;
  	if (i < ETH_ALEN) {
  		j = (5 - i) * 8;
  
  		while (mask[i] != 0) {
  			mask[i] >>= 1;
  			j++;
  		}
  	}
  
  	if (bits < j)
  		bits = j;
  
  	if (bits > 40) {
  		wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)",
  			   bits);
  		return -1;
  	}
  
  	os_memset(mask, 0xff, ETH_ALEN);
  	j = bits / 8;
  	for (i = 5; i > 5 - j; i--)
  		mask[i] = 0;
  	j = bits % 8;
  	while (j--)
  		mask[i] <<= 1;
  
  skip_mask_ext:
  	wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)",
  		   (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits);
  
  	if (!auto_addr)
  		return 0;
  
  	for (i = 0; i < ETH_ALEN; i++) {
  		if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) {
  			wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR
  				   " for start address " MACSTR ".",
  				   MAC2STR(mask), MAC2STR(hapd->own_addr));
  			wpa_printf(MSG_ERROR, "Start address must be the "
  				   "first address in the block (i.e., addr "
  				   "AND mask == addr).");
  			return -1;
  		}
  	}
  
  	return 0;
  }
  
  
  static int mac_in_conf(struct hostapd_config *conf, const void *a)
  {
  	size_t i;
  
  	for (i = 0; i < conf->num_bss; i++) {
  		if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) {
  			return 1;
  		}
  	}
  
  	return 0;
  }
  
  
  #ifndef CONFIG_NO_RADIUS
  
  static int hostapd_das_nas_mismatch(struct hostapd_data *hapd,
  				    struct radius_das_attrs *attr)
  {
  	/* TODO */
  	return 0;
  }
  
  
  static struct sta_info * hostapd_das_find_sta(struct hostapd_data *hapd,
  					      struct radius_das_attrs *attr)
  {
  	struct sta_info *sta = NULL;
  	char buf[128];
  
  	if (attr->sta_addr)
  		sta = ap_get_sta(hapd, attr->sta_addr);
  
  	if (sta == NULL && attr->acct_session_id &&
  	    attr->acct_session_id_len == 17) {
  		for (sta = hapd->sta_list; sta; sta = sta->next) {
  			os_snprintf(buf, sizeof(buf), "%08X-%08X",
  				    sta->acct_session_id_hi,
  				    sta->acct_session_id_lo);
  			if (os_memcmp(attr->acct_session_id, buf, 17) == 0)
  				break;
  		}
  	}
  
  	if (sta == NULL && attr->cui) {
  		for (sta = hapd->sta_list; sta; sta = sta->next) {
  			struct wpabuf *cui;
  			cui = ieee802_1x_get_radius_cui(sta->eapol_sm);
  			if (cui && wpabuf_len(cui) == attr->cui_len &&
  			    os_memcmp(wpabuf_head(cui), attr->cui,
  				      attr->cui_len) == 0)
  				break;
  		}
  	}
  
  	if (sta == NULL && attr->user_name) {
  		for (sta = hapd->sta_list; sta; sta = sta->next) {
  			u8 *identity;
  			size_t identity_len;
  			identity = ieee802_1x_get_identity(sta->eapol_sm,
  							   &identity_len);
  			if (identity &&
  			    identity_len == attr->user_name_len &&
  			    os_memcmp(identity, attr->user_name, identity_len)
  			    == 0)
  				break;
  		}
  	}
  
  	return sta;
  }
  
  
  static enum radius_das_res
  hostapd_das_disconnect(void *ctx, struct radius_das_attrs *attr)
  {
  	struct hostapd_data *hapd = ctx;
  	struct sta_info *sta;
  
  	if (hostapd_das_nas_mismatch(hapd, attr))
  		return RADIUS_DAS_NAS_MISMATCH;
  
  	sta = hostapd_das_find_sta(hapd, attr);
  	if (sta == NULL)
  		return RADIUS_DAS_SESSION_NOT_FOUND;
  
  	hostapd_drv_sta_deauth(hapd, sta->addr,
  			       WLAN_REASON_PREV_AUTH_NOT_VALID);
  	ap_sta_deauthenticate(hapd, sta, WLAN_REASON_PREV_AUTH_NOT_VALID);
  
  	return RADIUS_DAS_SUCCESS;
  }
  
  #endif /* CONFIG_NO_RADIUS */
  
  
  /**
   * hostapd_setup_bss - Per-BSS setup (initialization)
   * @hapd: Pointer to BSS data
   * @first: Whether this BSS is the first BSS of an interface
   *
   * This function is used to initialize all per-BSS data structures and
   * resources. This gets called in a loop for each BSS when an interface is
   * initialized. Most of the modules that are initialized here will be
   * deinitialized in hostapd_cleanup().
   */
  static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
  {
  	struct hostapd_bss_config *conf = hapd->conf;
  	u8 ssid[HOSTAPD_MAX_SSID_LEN + 1];
  	int ssid_len, set_ssid;
  	char force_ifname[IFNAMSIZ];
  	u8 if_addr[ETH_ALEN];
  
  	if (!first) {
  		if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) {
  			/* Allocate the next available BSSID. */
  			do {
  				inc_byte_array(hapd->own_addr, ETH_ALEN);
  			} while (mac_in_conf(hapd->iconf, hapd->own_addr));
  		} else {
  			/* Allocate the configured BSSID. */
  			os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN);
  
  			if (hostapd_mac_comp(hapd->own_addr,
  					     hapd->iface->bss[0]->own_addr) ==
  			    0) {
  				wpa_printf(MSG_ERROR, "BSS '%s' may not have "
  					   "BSSID set to the MAC address of "
  					   "the radio", hapd->conf->iface);
  				return -1;
  			}
  		}
  
  		hapd->interface_added = 1;
  		if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
  				   hapd->conf->iface, hapd->own_addr, hapd,
  				   &hapd->drv_priv, force_ifname, if_addr,
  				   hapd->conf->bridge[0] ? hapd->conf->bridge :
  				   NULL)) {
  			wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
  				   MACSTR ")", MAC2STR(hapd->own_addr));
  			return -1;
  		}
  	}
  
  	if (conf->wmm_enabled < 0)
  		conf->wmm_enabled = hapd->iconf->ieee80211n;
  
  	hostapd_flush_old_stations(hapd, WLAN_REASON_PREV_AUTH_NOT_VALID);
  	hostapd_set_privacy(hapd, 0);
  
  	hostapd_broadcast_wep_clear(hapd);
  	if (hostapd_setup_encryption(hapd->conf->iface, hapd))
  		return -1;
  
  	/*
  	 * Fetch the SSID from the system and use it or,
  	 * if one was specified in the config file, verify they
  	 * match.
  	 */
  	ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
  	if (ssid_len < 0) {
  		wpa_printf(MSG_ERROR, "Could not read SSID from system");
  		return -1;
  	}
  	if (conf->ssid.ssid_set) {
  		/*
  		 * If SSID is specified in the config file and it differs
  		 * from what is being used then force installation of the
  		 * new SSID.
  		 */
  		set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len ||
  			    os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0);
  	} else {
  		/*
  		 * No SSID in the config file; just use the one we got
  		 * from the system.
  		 */
  		set_ssid = 0;
  		conf->ssid.ssid_len = ssid_len;
  		os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len);
  	}
  
  	if (!hostapd_drv_none(hapd)) {
  		wpa_printf(MSG_ERROR, "Using interface %s with hwaddr " MACSTR
  			   " and ssid \"%s\"",
  			   hapd->conf->iface, MAC2STR(hapd->own_addr),
  			   wpa_ssid_txt(hapd->conf->ssid.ssid,
  					hapd->conf->ssid.ssid_len));
  	}
  
  	if (hostapd_setup_wpa_psk(conf)) {
  		wpa_printf(MSG_ERROR, "WPA-PSK setup failed.");
  		return -1;
  	}
  
  	/* Set SSID for the kernel driver (to be used in beacon and probe
  	 * response frames) */
  	if (set_ssid && hostapd_set_ssid(hapd, conf->ssid.ssid,
  					 conf->ssid.ssid_len)) {
  		wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
  		return -1;
  	}
  
  	if (wpa_debug_level == MSG_MSGDUMP)
  		conf->radius->msg_dumps = 1;
  #ifndef CONFIG_NO_RADIUS
  	hapd->radius = radius_client_init(hapd, conf->radius);
  	if (hapd->radius == NULL) {
  		wpa_printf(MSG_ERROR, "RADIUS client initialization failed.");
  		return -1;
  	}
  
  	if (hapd->conf->radius_das_port) {
  		struct radius_das_conf das_conf;
  		os_memset(&das_conf, 0, sizeof(das_conf));
  		das_conf.port = hapd->conf->radius_das_port;
  		das_conf.shared_secret = hapd->conf->radius_das_shared_secret;
  		das_conf.shared_secret_len =
  			hapd->conf->radius_das_shared_secret_len;
  		das_conf.client_addr = &hapd->conf->radius_das_client_addr;
  		das_conf.time_window = hapd->conf->radius_das_time_window;
  		das_conf.require_event_timestamp =
  			hapd->conf->radius_das_require_event_timestamp;
  		das_conf.ctx = hapd;
  		das_conf.disconnect = hostapd_das_disconnect;
  		hapd->radius_das = radius_das_init(&das_conf);
  		if (hapd->radius_das == NULL) {
  			wpa_printf(MSG_ERROR, "RADIUS DAS initialization "
  				   "failed.");
  			return -1;
  		}
  	}
  #endif /* CONFIG_NO_RADIUS */
  
  	if (hostapd_acl_init(hapd)) {
  		wpa_printf(MSG_ERROR, "ACL initialization failed.");
  		return -1;
  	}
  	if (hostapd_init_wps(hapd, conf))
  		return -1;
  
  	if (authsrv_init(hapd) < 0)
  		return -1;
  
  	if (ieee802_1x_init(hapd)) {
  		wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed.");
  		return -1;
  	}
  
  	if (hapd->conf->wpa && hostapd_setup_wpa(hapd))
  		return -1;
  
  	if (accounting_init(hapd)) {
  		wpa_printf(MSG_ERROR, "Accounting initialization failed.");
  		return -1;
  	}
  
  	if (hapd->conf->ieee802_11f &&
  	    (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) {
  		wpa_printf(MSG_ERROR, "IEEE 802.11F (IAPP) initialization "
  			   "failed.");
  		return -1;
  	}
  
  #ifdef CONFIG_INTERWORKING
  	if (gas_serv_init(hapd)) {
  		wpa_printf(MSG_ERROR, "GAS server initialization failed");
  		return -1;
  	}
  #endif /* CONFIG_INTERWORKING */
  
  	if (hapd->iface->interfaces &&
  	    hapd->iface->interfaces->ctrl_iface_init &&
  	    hapd->iface->interfaces->ctrl_iface_init(hapd)) {
  		wpa_printf(MSG_ERROR, "Failed to setup control interface");
  		return -1;
  	}
  
  	if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
  		wpa_printf(MSG_ERROR, "VLAN initialization failed.");
  		return -1;
  	}
  
  	ieee802_11_set_beacon(hapd);
  
  	if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0)
  		return -1;
  
  	if (hapd->driver && hapd->driver->set_operstate)
  		hapd->driver->set_operstate(hapd->drv_priv, 1);
  
  	return 0;
  }
  
  
  static void hostapd_tx_queue_params(struct hostapd_iface *iface)
  {
  	struct hostapd_data *hapd = iface->bss[0];
  	int i;
  	struct hostapd_tx_queue_params *p;
  
  	for (i = 0; i < NUM_TX_QUEUES; i++) {
  		p = &iface->conf->tx_queue[i];
  
  		if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin,
  						p->cwmax, p->burst)) {
  			wpa_printf(MSG_DEBUG, "Failed to set TX queue "
  				   "parameters for queue %d.", i);
  			/* Continue anyway */
  		}
  	}
  }
  
  
  static int setup_interface(struct hostapd_iface *iface)
  {
  	struct hostapd_data *hapd = iface->bss[0];
  	size_t i;
  	char country[4];
  
  	/*
  	 * Make sure that all BSSes get configured with a pointer to the same
  	 * driver interface.
  	 */
  	for (i = 1; i < iface->num_bss; i++) {
  		iface->bss[i]->driver = hapd->driver;
  		iface->bss[i]->drv_priv = hapd->drv_priv;
  	}
  
  	if (hostapd_validate_bssid_configuration(iface))
  		return -1;
  
  	if (hapd->iconf->country[0] && hapd->iconf->country[1]) {
  		os_memcpy(country, hapd->iconf->country, 3);
  		country[3] = '\0';
  		if (hostapd_set_country(hapd, country) < 0) {
  			wpa_printf(MSG_ERROR, "Failed to set country code");
  			return -1;
  		}
  	}
  
  	if (hostapd_get_hw_features(iface)) {
  		/* Not all drivers support this yet, so continue without hw
  		 * feature data. */
  	} else {
  		int ret = hostapd_select_hw_mode(iface);
  		if (ret < 0) {
  			wpa_printf(MSG_ERROR, "Could not select hw_mode and "
  				   "channel. (%d)", ret);
  			return -1;
  		}
  		ret = hostapd_check_ht_capab(iface);
  		if (ret < 0)
  			return -1;
  		if (ret == 1) {
  			wpa_printf(MSG_DEBUG, "Interface initialization will "
  				   "be completed in a callback");
  			return 0;
  		}
  	}
  	return hostapd_setup_interface_complete(iface, 0);
  }
  
  
  int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err)
  {
  	struct hostapd_data *hapd = iface->bss[0];
  	size_t j;
  	u8 *prev_addr;
  
  	if (err) {
  		wpa_printf(MSG_ERROR, "Interface initialization failed");
  		eloop_terminate();
  		return -1;
  	}
  
  	wpa_printf(MSG_DEBUG, "Completing interface initialization");
  	if (hapd->iconf->channel) {
  		iface->freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel);
  		wpa_printf(MSG_DEBUG, "Mode: %s  Channel: %d  "
  			   "Frequency: %d MHz",
  			   hostapd_hw_mode_txt(hapd->iconf->hw_mode),
  			   hapd->iconf->channel, iface->freq);
  
  		if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
  				     hapd->iconf->channel,
  				     hapd->iconf->ieee80211n,
  				     hapd->iconf->ieee80211ac,
  				     hapd->iconf->secondary_channel,
  				     hapd->iconf->vht_oper_chwidth,
  				     hapd->iconf->vht_oper_centr_freq_seg0_idx,
  				     hapd->iconf->vht_oper_centr_freq_seg1_idx)) {
  			wpa_printf(MSG_ERROR, "Could not set channel for "
  				   "kernel driver");
  			return -1;
  		}
  	}
  
  	if (iface->current_mode) {
  		if (hostapd_prepare_rates(iface, iface->current_mode)) {
  			wpa_printf(MSG_ERROR, "Failed to prepare rates "
  				   "table.");
  			hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
  				       HOSTAPD_LEVEL_WARNING,
  				       "Failed to prepare rates table.");
  			return -1;
  		}
  	}
  
  	if (hapd->iconf->rts_threshold > -1 &&
  	    hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
  		wpa_printf(MSG_ERROR, "Could not set RTS threshold for "
  			   "kernel driver");
  		return -1;
  	}
  
  	if (hapd->iconf->fragm_threshold > -1 &&
  	    hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) {
  		wpa_printf(MSG_ERROR, "Could not set fragmentation threshold "
  			   "for kernel driver");
  		return -1;
  	}
  
  	prev_addr = hapd->own_addr;
  
  	for (j = 0; j < iface->num_bss; j++) {
  		hapd = iface->bss[j];
  		if (j)
  			os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
  		if (hostapd_setup_bss(hapd, j == 0))
  			return -1;
  		if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
  			prev_addr = hapd->own_addr;
  	}
  
  	hostapd_tx_queue_params(iface);
  
  	ap_list_init(iface);
  
  	if (hostapd_driver_commit(hapd) < 0) {
  		wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
  			   "configuration", __func__);
  		return -1;
  	}
  
  	/*
  	 * WPS UPnP module can be initialized only when the "upnp_iface" is up.
  	 * If "interface" and "upnp_iface" are the same (e.g., non-bridge
  	 * mode), the interface is up only after driver_commit, so initialize
  	 * WPS after driver_commit.
  	 */
  	for (j = 0; j < iface->num_bss; j++) {
  		if (hostapd_init_wps_complete(iface->bss[j]))
  			return -1;
  	}
  
  	if (hapd->setup_complete_cb)
  		hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
  
  	wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
  		   iface->bss[0]->conf->iface);
  
  	return 0;
  }
  
  
  /**
   * hostapd_setup_interface - Setup of an interface
   * @iface: Pointer to interface data.
   * Returns: 0 on success, -1 on failure
   *
   * Initializes the driver interface, validates the configuration,
   * and sets driver parameters based on the configuration.
   * Flushes old stations, sets the channel, encryption,
   * beacons, and WDS links based on the configuration.
   */
  int hostapd_setup_interface(struct hostapd_iface *iface)
  {
  	int ret;
  
  	ret = setup_interface(iface);
  	if (ret) {
  		wpa_printf(MSG_ERROR, "%s: Unable to setup interface.",
  			   iface->bss[0]->conf->iface);
  		return -1;
  	}
  
  	return 0;
  }
  
  
  /**
   * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
   * @hapd_iface: Pointer to interface data
   * @conf: Pointer to per-interface configuration
   * @bss: Pointer to per-BSS configuration for this BSS
   * Returns: Pointer to allocated BSS data
   *
   * This function is used to allocate per-BSS data structure. This data will be
   * freed after hostapd_cleanup() is called for it during interface
   * deinitialization.
   */
  struct hostapd_data *
  hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
  		       struct hostapd_config *conf,
  		       struct hostapd_bss_config *bss)
  {
  	struct hostapd_data *hapd;
  
  	hapd = os_zalloc(sizeof(*hapd));
  	if (hapd == NULL)
  		return NULL;
  
  	hapd->new_assoc_sta_cb = hostapd_new_assoc_sta;
  	hapd->iconf = conf;
  	hapd->conf = bss;
  	hapd->iface = hapd_iface;
  	hapd->driver = hapd->iconf->driver;
  	hapd->ctrl_sock = -1;
  
  	return hapd;
  }
  
  
  void hostapd_interface_deinit(struct hostapd_iface *iface)
  {
  	size_t j;
  
  	if (iface == NULL)
  		return;
  
  	hostapd_cleanup_iface_pre(iface);
  	for (j = 0; j < iface->num_bss; j++) {
  		struct hostapd_data *hapd = iface->bss[j];
  		hostapd_free_stas(hapd);
  		hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
  		hostapd_clear_wep(hapd);
  		hostapd_cleanup(hapd);
  	}
  }
  
  
  void hostapd_interface_free(struct hostapd_iface *iface)
  {
  	size_t j;
  	for (j = 0; j < iface->num_bss; j++)
  		os_free(iface->bss[j]);
  	hostapd_cleanup_iface(iface);
  }
  
  
  #ifdef HOSTAPD
  
  void hostapd_interface_deinit_free(struct hostapd_iface *iface)
  {
  	const struct wpa_driver_ops *driver;
  	void *drv_priv;
  	if (iface == NULL)
  		return;
  	driver = iface->bss[0]->driver;
  	drv_priv = iface->bss[0]->drv_priv;
  	hostapd_interface_deinit(iface);
  	if (driver && driver->hapd_deinit && drv_priv)
  		driver->hapd_deinit(drv_priv);
  	hostapd_interface_free(iface);
  }
  
  
  int hostapd_enable_iface(struct hostapd_iface *hapd_iface)
  {
  	if (hapd_iface->bss[0]->drv_priv != NULL) {
  		wpa_printf(MSG_ERROR, "Interface %s already enabled",
  			   hapd_iface->conf->bss[0].iface);
  		return -1;
  	}
  
  	wpa_printf(MSG_DEBUG, "Enable interface %s",
  		   hapd_iface->conf->bss[0].iface);
  
  	if (hapd_iface->interfaces == NULL ||
  	    hapd_iface->interfaces->driver_init == NULL ||
  	    hapd_iface->interfaces->driver_init(hapd_iface) ||
  	    hostapd_setup_interface(hapd_iface)) {
  		hostapd_interface_deinit_free(hapd_iface);
  		return -1;
  	}
  	return 0;
  }
  
  
  int hostapd_reload_iface(struct hostapd_iface *hapd_iface)
  {
  	size_t j;
  
  	wpa_printf(MSG_DEBUG, "Reload interface %s",
  		   hapd_iface->conf->bss[0].iface);
  	for (j = 0; j < hapd_iface->num_bss; j++) {
  		hostapd_flush_old_stations(hapd_iface->bss[j],
  					   WLAN_REASON_PREV_AUTH_NOT_VALID);
  
  #ifndef CONFIG_NO_RADIUS
  		/* TODO: update dynamic data based on changed configuration
  		 * items (e.g., open/close sockets, etc.) */
  		radius_client_flush(hapd_iface->bss[j]->radius, 0);
  #endif  /* CONFIG_NO_RADIUS */
  
  		hostapd_reload_bss(hapd_iface->bss[j]);
  	}
  	return 0;
  }
  
  
  int hostapd_disable_iface(struct hostapd_iface *hapd_iface)
  {
  	size_t j;
  	struct hostapd_bss_config *bss;
  	const struct wpa_driver_ops *driver;
  	void *drv_priv;
  
  	if (hapd_iface == NULL)
  		return -1;
  	bss = hapd_iface->bss[0]->conf;
  	driver = hapd_iface->bss[0]->driver;
  	drv_priv = hapd_iface->bss[0]->drv_priv;
  
  	/* whatever hostapd_interface_deinit does */
  	for (j = 0; j < hapd_iface->num_bss; j++) {
  		struct hostapd_data *hapd = hapd_iface->bss[j];
  		hostapd_free_stas(hapd);
  		hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
  		hostapd_clear_wep(hapd);
  		hostapd_free_hapd_data(hapd);
  	}
  
  	if (driver && driver->hapd_deinit && drv_priv) {
  		driver->hapd_deinit(drv_priv);
  		hapd_iface->bss[0]->drv_priv = NULL;
  	}
  
  	/* From hostapd_cleanup_iface: These were initialized in
  	 * hostapd_setup_interface and hostapd_setup_interface_complete
  	 */
  	hostapd_cleanup_iface_partial(hapd_iface);
  	bss->wpa = 0;
  	bss->wpa_key_mgmt = -1;
  	bss->wpa_pairwise = -1;
  
  	wpa_printf(MSG_DEBUG, "Interface %s disabled", bss->iface);
  	return 0;
  }
  
  
  static struct hostapd_iface *
  hostapd_iface_alloc(struct hapd_interfaces *interfaces)
  {
  	struct hostapd_iface **iface, *hapd_iface;
  
  	iface = os_realloc_array(interfaces->iface, interfaces->count + 1,
  				 sizeof(struct hostapd_iface *));
  	if (iface == NULL)
  		return NULL;
  	interfaces->iface = iface;
  	hapd_iface = interfaces->iface[interfaces->count] =
  		os_zalloc(sizeof(*hapd_iface));
  	if (hapd_iface == NULL) {
  		wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
  			   "the interface", __func__);
  		return NULL;
  	}
  	interfaces->count++;
  	hapd_iface->interfaces = interfaces;
  
  	return hapd_iface;
  }
  
  
  static struct hostapd_config *
  hostapd_config_alloc(struct hapd_interfaces *interfaces, const char *ifname,
  		     const char *ctrl_iface)
  {
  	struct hostapd_bss_config *bss;
  	struct hostapd_config *conf;
  
  	/* Allocates memory for bss and conf */
  	conf = hostapd_config_defaults();
  	if (conf == NULL) {
  		 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
  				"configuration", __func__);
  		return NULL;
  	}
  
  	conf->driver = wpa_drivers[0];
  	if (conf->driver == NULL) {
  		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
  		hostapd_config_free(conf);
  		return NULL;
  	}
  
  	bss = conf->last_bss = conf->bss;
  
  	os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
  	bss->ctrl_interface = os_strdup(ctrl_iface);
  	if (bss->ctrl_interface == NULL) {
  		hostapd_config_free(conf);
  		return NULL;
  	}
  
  	/* Reading configuration file skipped, will be done in SET!
  	 * From reading the configuration till the end has to be done in
  	 * SET
  	 */
  	return conf;
  }
  
  
  static struct hostapd_iface * hostapd_data_alloc(
  	struct hapd_interfaces *interfaces, struct hostapd_config *conf)
  {
  	size_t i;
  	struct hostapd_iface *hapd_iface =
  		interfaces->iface[interfaces->count - 1];
  	struct hostapd_data *hapd;
  
  	hapd_iface->conf = conf;
  	hapd_iface->num_bss = conf->num_bss;
  
  	hapd_iface->bss = os_zalloc(conf->num_bss *
  				    sizeof(struct hostapd_data *));
  	if (hapd_iface->bss == NULL)
  		return NULL;
  
  	for (i = 0; i < conf->num_bss; i++) {
  		hapd = hapd_iface->bss[i] =
  			hostapd_alloc_bss_data(hapd_iface, conf,
  					       &conf->bss[i]);
  		if (hapd == NULL)
  			return NULL;
  		hapd->msg_ctx = hapd;
  	}
  
  	hapd_iface->interfaces = interfaces;
  
  	return hapd_iface;
  }
  
  
  int hostapd_add_iface(struct hapd_interfaces *interfaces, char *buf)
  {
  	struct hostapd_config *conf = NULL;
  	struct hostapd_iface *hapd_iface = NULL;
  	char *ptr;
  	size_t i;
  
  	ptr = os_strchr(buf, ' ');
  	if (ptr == NULL)
  		return -1;
  	*ptr++ = '\0';
  
  	for (i = 0; i < interfaces->count; i++) {
  		if (!os_strcmp(interfaces->iface[i]->conf->bss[0].iface,
  			       buf)) {
  			wpa_printf(MSG_INFO, "Cannot add interface - it "
  				   "already exists");
  			return -1;
  		}
  	}
  
  	hapd_iface = hostapd_iface_alloc(interfaces);
  	if (hapd_iface == NULL) {
  		wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
  			   "for interface", __func__);
  		goto fail;
  	}
  
  	conf = hostapd_config_alloc(interfaces, buf, ptr);
  	if (conf == NULL) {
  		wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
  			   "for configuration", __func__);
  		goto fail;
  	}
  
  	hapd_iface = hostapd_data_alloc(interfaces, conf);
  	if (hapd_iface == NULL) {
  		wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
  			   "for hostapd", __func__);
  		goto fail;
  	}
  
  	if (hapd_iface->interfaces &&
  	    hapd_iface->interfaces->ctrl_iface_init &&
  	    hapd_iface->interfaces->ctrl_iface_init(hapd_iface->bss[0])) {
  		wpa_printf(MSG_ERROR, "%s: Failed to setup control "
  			   "interface", __func__);
  		goto fail;
  	}
  	wpa_printf(MSG_INFO, "Add interface '%s'", conf->bss[0].iface);
  
  	return 0;
  
  fail:
  	if (conf)
  		hostapd_config_free(conf);
  	if (hapd_iface) {
  		os_free(hapd_iface->bss[interfaces->count]);
  		os_free(hapd_iface);
  	}
  	return -1;
  }
  
  
  int hostapd_remove_iface(struct hapd_interfaces *interfaces, char *buf)
  {
  	struct hostapd_iface *hapd_iface;
  	size_t i, k = 0;
  
  	for (i = 0; i < interfaces->count; i++) {
  		hapd_iface = interfaces->iface[i];
  		if (hapd_iface == NULL)
  			return -1;
  		if (!os_strcmp(hapd_iface->conf->bss[0].iface, buf)) {
  			wpa_printf(MSG_INFO, "Remove interface '%s'", buf);
  			hostapd_interface_deinit_free(hapd_iface);
  			k = i;
  			while (k < (interfaces->count - 1)) {
  				interfaces->iface[k] =
  					interfaces->iface[k + 1];
  				k++;
  			}
  			interfaces->count--;
  			return 0;
  		}
  	}
  	return -1;
  }
  
  #endif /* HOSTAPD */
  
  
  /**
   * hostapd_new_assoc_sta - Notify that a new station associated with the AP
   * @hapd: Pointer to BSS data
   * @sta: Pointer to the associated STA data
   * @reassoc: 1 to indicate this was a re-association; 0 = first association
   *
   * This function will be called whenever a station associates with the AP. It
   * can be called from ieee802_11.c for drivers that export MLME to hostapd and
   * from drv_callbacks.c based on driver events for drivers that take care of
   * management frames (IEEE 802.11 authentication and association) internally.
   */
  void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
  			   int reassoc)
  {
  	if (hapd->tkip_countermeasures) {
  		hostapd_drv_sta_deauth(hapd, sta->addr,
  				       WLAN_REASON_MICHAEL_MIC_FAILURE);
  		return;
  	}
  
  	hostapd_prune_associations(hapd, sta->addr);
  
  	/* IEEE 802.11F (IAPP) */
  	if (hapd->conf->ieee802_11f)
  		iapp_new_station(hapd->iapp, sta);
  
  #ifdef CONFIG_P2P
  	if (sta->p2p_ie == NULL && !sta->no_p2p_set) {
  		sta->no_p2p_set = 1;
  		hapd->num_sta_no_p2p++;
  		if (hapd->num_sta_no_p2p == 1)
  			hostapd_p2p_non_p2p_sta_connected(hapd);
  	}
  #endif /* CONFIG_P2P */
  
  	/* Start accounting here, if IEEE 802.1X and WPA are not used.
  	 * IEEE 802.1X/WPA code will start accounting after the station has
  	 * been authorized. */
  	if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) {
  		os_get_time(&sta->connected_time);
  		accounting_sta_start(hapd, sta);
  	}
  
  	/* Start IEEE 802.1X authentication process for new stations */
  	ieee802_1x_new_station(hapd, sta);
  	if (reassoc) {
  		if (sta->auth_alg != WLAN_AUTH_FT &&
  		    !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
  			wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
  	} else
  		wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
  
  	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
  		   "for " MACSTR " (%d seconds - ap_max_inactivity)",
  		   __func__, MAC2STR(sta->addr),
  		   hapd->conf->ap_max_inactivity);
  	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
  	eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
  			       ap_handle_timer, hapd, sta);
  }
  