diff --git a/src/ap/accounting.c b/src/ap/accounting.c
index 2a04560..2c3a6d9 100644
--- a/src/ap/accounting.c
+++ b/src/ap/accounting.c
@@ -1,6 +1,6 @@
 /*
  * hostapd / RADIUS Accounting
- * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2009, 2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -39,6 +39,8 @@
 	u8 *val;
 	size_t len;
 	int i;
+	struct wpabuf *b;
+	struct hostapd_radius_attr *attr;
 
 	msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
 			     radius_client_get_id(hapd->radius));
@@ -67,7 +69,9 @@
 		goto fail;
 	}
 
-	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr,
+					    RADIUS_ATTR_ACCT_AUTHENTIC) &&
+	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
 				       hapd->conf->ieee802_1x ?
 				       RADIUS_ACCT_AUTHENTIC_RADIUS :
 				       RADIUS_ACCT_AUTHENTIC_LOCAL)) {
@@ -91,7 +95,9 @@
 		}
 	}
 
-	if (hapd->conf->own_ip_addr.af == AF_INET &&
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr,
+					    RADIUS_ATTR_NAS_IP_ADDRESS) &&
+	    hapd->conf->own_ip_addr.af == AF_INET &&
 	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
 				 (u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) {
 		printf("Could not add NAS-IP-Address\n");
@@ -99,7 +105,9 @@
 	}
 
 #ifdef CONFIG_IPV6
-	if (hapd->conf->own_ip_addr.af == AF_INET6 &&
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr,
+					    RADIUS_ATTR_NAS_IPV6_ADDRESS) &&
+	    hapd->conf->own_ip_addr.af == AF_INET6 &&
 	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS,
 				 (u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) {
 		printf("Could not add NAS-IPv6-Address\n");
@@ -107,7 +115,9 @@
 	}
 #endif /* CONFIG_IPV6 */
 
-	if (hapd->conf->nas_identifier &&
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr,
+					    RADIUS_ATTR_NAS_IDENTIFIER) &&
+	    hapd->conf->nas_identifier &&
 	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
 				 (u8 *) hapd->conf->nas_identifier,
 				 os_strlen(hapd->conf->nas_identifier))) {
@@ -115,7 +125,9 @@
 		goto fail;
 	}
 
-	if (sta &&
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr,
+					    RADIUS_ATTR_NAS_PORT) &&
+	    sta &&
 	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
 		printf("Could not add NAS-Port\n");
 		goto fail;
@@ -123,7 +135,9 @@
 
 	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
 		    MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid);
-	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr,
+					    RADIUS_ATTR_CALLED_STATION_ID) &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
 				 (u8 *) buf, os_strlen(buf))) {
 		printf("Could not add Called-Station-Id\n");
 		goto fail;
@@ -138,7 +152,10 @@
 			goto fail;
 		}
 
-		if (!radius_msg_add_attr_int32(
+		if (!hostapd_config_get_radius_attr(
+			    hapd->conf->radius_acct_req_attr,
+			    RADIUS_ATTR_NAS_PORT_TYPE) &&
+		    !radius_msg_add_attr_int32(
 			    msg, RADIUS_ATTR_NAS_PORT_TYPE,
 			    RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
 			printf("Could not add NAS-Port-Type\n");
@@ -149,7 +166,10 @@
 			    radius_sta_rate(hapd, sta) / 2,
 			    (radius_sta_rate(hapd, sta) & 1) ? ".5" : "",
 			    radius_mode_txt(hapd));
-		if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
+		if (!hostapd_config_get_radius_attr(
+			    hapd->conf->radius_acct_req_attr,
+			    RADIUS_ATTR_CONNECT_INFO) &&
+		    !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
 					 (u8 *) buf, os_strlen(buf))) {
 			printf("Could not add Connect-Info\n");
 			goto fail;
@@ -167,6 +187,26 @@
 				goto fail;
 			}
 		}
+
+		b = ieee802_1x_get_radius_cui(sta->eapol_sm);
+		if (b &&
+		    !radius_msg_add_attr(msg,
+					 RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
+					 wpabuf_head(b), wpabuf_len(b))) {
+			wpa_printf(MSG_ERROR, "Could not add CUI");
+			goto fail;
+		}
+	}
+
+	for (attr = hapd->conf->radius_acct_req_attr; attr; attr = attr->next)
+	{
+		if (!radius_msg_add_attr(msg, attr->type,
+					 wpabuf_head(attr->val),
+					 wpabuf_len(attr->val))) {
+			wpa_printf(MSG_ERROR, "Could not add RADIUS "
+				   "attribute");
+			goto fail;
+		}
 	}
 
 	return msg;
@@ -259,8 +299,9 @@
 			       hapd, sta);
 
 	msg = accounting_msg(hapd, sta, RADIUS_ACCT_STATUS_TYPE_START);
-	if (msg)
-		radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr);
+	if (msg &&
+	    radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr) < 0)
+		radius_msg_free(msg);
 
 	sta->acct_session_started = 1;
 }
@@ -358,9 +399,10 @@
 		goto fail;
 	}
 
-	radius_client_send(hapd->radius, msg,
-			   stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM,
-			   sta->addr);
+	if (radius_client_send(hapd->radius, msg,
+			       stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM,
+			       sta->addr) < 0)
+		goto fail;
 	return;
 
  fail:
@@ -463,7 +505,8 @@
 		return;
 	}
 
-	radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL);
+	if (radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL) < 0)
+		radius_msg_free(msg);
 }
 
 
diff --git a/src/ap/ap_config.c b/src/ap/ap_config.c
index b9f5994..811ffc1 100644
--- a/src/ap/ap_config.c
+++ b/src/ap/ap_config.c
@@ -1,6 +1,6 @@
 /*
  * hostapd / Configuration helper functions
- * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -87,6 +87,8 @@
 #ifdef CONFIG_IEEE80211R
 	bss->ft_over_ds = 1;
 #endif /* CONFIG_IEEE80211R */
+
+	bss->radius_das_time_window = 300;
 }
 
 
@@ -336,6 +338,30 @@
 }
 
 
+struct hostapd_radius_attr *
+hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type)
+{
+	for (; attr; attr = attr->next) {
+		if (attr->type == type)
+			return attr;
+	}
+	return NULL;
+}
+
+
+static void hostapd_config_free_radius_attr(struct hostapd_radius_attr *attr)
+{
+	struct hostapd_radius_attr *prev;
+
+	while (attr) {
+		prev = attr;
+		attr = attr->next;
+		wpabuf_free(prev->val);
+		os_free(prev);
+	}
+}
+
+
 static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
 {
 	os_free(user->identity);
@@ -392,6 +418,8 @@
 				   conf->radius->num_auth_servers);
 	hostapd_config_free_radius(conf->radius->acct_servers,
 				   conf->radius->num_acct_servers);
+	hostapd_config_free_radius_attr(conf->radius_auth_req_attr);
+	hostapd_config_free_radius_attr(conf->radius_acct_req_attr);
 	os_free(conf->rsn_preauth_interfaces);
 	os_free(conf->ctrl_interface);
 	os_free(conf->ca_cert);
@@ -406,6 +434,7 @@
 	os_free(conf->radius_server_clients);
 	os_free(conf->test_socket);
 	os_free(conf->radius);
+	os_free(conf->radius_das_shared_secret);
 	hostapd_config_free_vlan(conf);
 	if (conf->ssid.dyn_vlan_keys) {
 		struct hostapd_ssid *ssid = &conf->ssid;
@@ -465,9 +494,13 @@
 	os_free(conf->model_description);
 	os_free(conf->model_url);
 	os_free(conf->upc);
+	wpabuf_free(conf->wps_nfc_dh_pubkey);
+	wpabuf_free(conf->wps_nfc_dh_privkey);
+	wpabuf_free(conf->wps_nfc_dev_pw);
 #endif /* CONFIG_WPS */
 
 	os_free(conf->roaming_consortium);
+	os_free(conf->venue_name);
 
 #ifdef CONFIG_RADIUS_TEST
 	os_free(conf->dump_msk_file);
diff --git a/src/ap/ap_config.h b/src/ap/ap_config.h
index 2ec25ad..13d5549 100644
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -1,6 +1,6 @@
 /*
  * hostapd / Configuration definitions and helpers functions
- * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -116,6 +116,12 @@
 	int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
 };
 
+struct hostapd_radius_attr {
+	u8 type;
+	struct wpabuf *val;
+	struct hostapd_radius_attr *next;
+};
+
 
 #define NUM_TX_QUEUES 4
 
@@ -142,6 +148,12 @@
 	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
 };
 
+struct hostapd_venue_name {
+	u8 lang[3];
+	u8 name_len;
+	u8 name[252];
+};
+
 /**
  * struct hostapd_bss_config - Per-BSS configuration
  */
@@ -171,6 +183,15 @@
 	char *nas_identifier;
 	struct hostapd_radius_servers *radius;
 	int acct_interim_interval;
+	int radius_request_cui;
+	struct hostapd_radius_attr *radius_auth_req_attr;
+	struct hostapd_radius_attr *radius_acct_req_attr;
+	int radius_das_port;
+	unsigned int radius_das_time_window;
+	int radius_das_require_event_timestamp;
+	struct hostapd_ip_addr radius_das_client_addr;
+	u8 *radius_das_shared_secret;
+	size_t radius_das_shared_secret_len;
 
 	struct hostapd_ssid ssid;
 
@@ -326,6 +347,10 @@
 	char *model_url;
 	char *upc;
 	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
+	int wps_nfc_dev_pw_id;
+	struct wpabuf *wps_nfc_dh_pubkey;
+	struct wpabuf *wps_nfc_dh_privkey;
+	struct wpabuf *wps_nfc_dev_pw;
 #endif /* CONFIG_WPS */
 	int pbc_in_m1;
 
@@ -343,6 +368,7 @@
 #define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
 	int tdls;
 	int disable_11n;
+	int disable_11ac;
 
 	/* IEEE 802.11v */
 	int time_advertisement;
@@ -364,6 +390,13 @@
 	unsigned int roaming_consortium_count;
 	struct hostapd_roaming_consortium *roaming_consortium;
 
+	/* IEEE 802.11u - Venue Name duples */
+	unsigned int venue_name_count;
+	struct hostapd_venue_name *venue_name;
+
+	u16 gas_comeback_delay;
+	int gas_frag_limit;
+
 	u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
 
 #ifdef CONFIG_RADIUS_TEST
@@ -423,6 +456,9 @@
 	int ieee80211n;
 	int secondary_channel;
 	int require_ht;
+	u32 vht_capab;
+	int ieee80211ac;
+	u8 vht_oper_chwidth;
 };
 
 
@@ -444,5 +480,7 @@
 const struct hostapd_eap_user *
 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
 		     size_t identity_len, int phase2);
+struct hostapd_radius_attr *
+hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
 
 #endif /* HOSTAPD_CONFIG_H */
diff --git a/src/ap/ap_drv_ops.c b/src/ap/ap_drv_ops.c
index d07cc6b..859b529 100644
--- a/src/ap/ap_drv_ops.c
+++ b/src/ap/ap_drv_ops.c
@@ -584,3 +584,15 @@
 	return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 					  reason);
 }
+
+
+int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
+			    unsigned int wait, const u8 *dst, const u8 *data,
+			    size_t len)
+{
+	if (hapd->driver == NULL || hapd->driver->send_action == NULL)
+		return 0;
+	return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
+					 hapd->own_addr, hapd->own_addr, data,
+					 len, 0);
+}
diff --git a/src/ap/ap_drv_ops.h b/src/ap/ap_drv_ops.h
index 8038fa2..169c91b 100644
--- a/src/ap/ap_drv_ops.h
+++ b/src/ap/ap_drv_ops.h
@@ -86,6 +86,9 @@
 			   const u8 *addr, int reason);
 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
 			     const u8 *addr, int reason);
+int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
+			    unsigned int wait, const u8 *dst, const u8 *data,
+			    size_t len);
 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
 			 u16 auth_alg);
 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
diff --git a/src/ap/ap_list.c b/src/ap/ap_list.c
index b4252cf..933b158 100644
--- a/src/ap/ap_list.c
+++ b/src/ap/ap_list.c
@@ -289,10 +289,8 @@
 	ap->num_beacons++;
 	os_get_time(&now);
 	ap->last_beacon = now.sec;
-	if (fi) {
-		ap->ssi_signal = fi->ssi_signal;
+	if (fi)
 		ap->datarate = fi->datarate;
-	}
 
 	if (!new_ap && ap != iface->ap_list) {
 		/* move AP entry into the beginning of the list so that the
@@ -320,7 +318,7 @@
 #endif /* CONFIG_IEEE80211N */
 
 	if (set_beacon)
-		ieee802_11_set_beacons(iface);
+		ieee802_11_update_beacons(iface);
 }
 
 
@@ -375,7 +373,7 @@
 	}
 
 	if (set_beacon)
-		ieee802_11_set_beacons(iface);
+		ieee802_11_update_beacons(iface);
 }
 
 
diff --git a/src/ap/ap_list.h b/src/ap/ap_list.h
index 201f6ec..f0b4125 100644
--- a/src/ap/ap_list.h
+++ b/src/ap/ap_list.h
@@ -34,7 +34,6 @@
 
 	int channel;
 	int datarate; /* in 100 kbps */
-	int ssi_signal;
 
 	int ht_support;
 
diff --git a/src/ap/beacon.c b/src/ap/beacon.c
index 4ea8684..0f29ccd 100644
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -262,6 +262,11 @@
 	pos = hostapd_eid_adv_proto(hapd, pos);
 	pos = hostapd_eid_roaming_consortium(hapd, pos);
 
+#ifdef CONFIG_IEEE80211AC
+	pos = hostapd_eid_vht_capabilities(hapd, pos);
+	pos = hostapd_eid_vht_operation(hapd, pos);
+#endif /* CONFIG_IEEE80211AC */
+
 	/* Wi-Fi Alliance WMM */
 	pos = hostapd_eid_wmm(hapd, pos);
 
@@ -293,7 +298,8 @@
 
 
 void handle_probe_req(struct hostapd_data *hapd,
-		      const struct ieee80211_mgmt *mgmt, size_t len)
+		      const struct ieee80211_mgmt *mgmt, size_t len,
+		      int ssi_signal)
 {
 	u8 *resp;
 	struct ieee802_11_elems elems;
@@ -311,7 +317,7 @@
 	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
 		if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
 					    mgmt->sa, mgmt->da, mgmt->bssid,
-					    ie, ie_len) > 0)
+					    ie, ie_len, ssi_signal) > 0)
 			return;
 
 	if (!hapd->iconf->send_probe_response)
@@ -594,6 +600,11 @@
 	tailpos = hostapd_eid_adv_proto(hapd, tailpos);
 	tailpos = hostapd_eid_roaming_consortium(hapd, tailpos);
 
+#ifdef CONFIG_IEEE80211AC
+	tailpos = hostapd_eid_vht_capabilities(hapd, tailpos);
+	tailpos = hostapd_eid_vht_operation(hapd, tailpos);
+#endif /* CONFIG_IEEE80211AC */
+
 	/* Wi-Fi Alliance WMM */
 	tailpos = hostapd_eid_wmm(hapd, tailpos);
 
@@ -682,6 +693,7 @@
 	    !is_zero_ether_addr(hapd->conf->hessid))
 		params.hessid = hapd->conf->hessid;
 	params.access_network_type = hapd->conf->access_network_type;
+	params.ap_max_inactivity = hapd->conf->ap_max_inactivity;
 	if (hostapd_drv_set_ap(hapd, &params))
 		wpa_printf(MSG_ERROR, "Failed to set beacon parameters");
 	hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
@@ -699,4 +711,14 @@
 		ieee802_11_set_beacon(iface->bss[i]);
 }
 
+
+/* only update beacons if started */
+void ieee802_11_update_beacons(struct hostapd_iface *iface)
+{
+	size_t i;
+	for (i = 0; i < iface->num_bss; i++)
+		if (iface->bss[i]->beacon_set_done)
+			ieee802_11_set_beacon(iface->bss[i]);
+}
+
 #endif /* CONFIG_NATIVE_WINDOWS */
diff --git a/src/ap/beacon.h b/src/ap/beacon.h
index a944f5f..37f10d2 100644
--- a/src/ap/beacon.h
+++ b/src/ap/beacon.h
@@ -19,8 +19,10 @@
 struct ieee80211_mgmt;
 
 void handle_probe_req(struct hostapd_data *hapd,
-		      const struct ieee80211_mgmt *mgmt, size_t len);
+		      const struct ieee80211_mgmt *mgmt, size_t len,
+		      int ssi_signal);
 void ieee802_11_set_beacon(struct hostapd_data *hapd);
 void ieee802_11_set_beacons(struct hostapd_iface *iface);
+void ieee802_11_update_beacons(struct hostapd_iface *iface);
 
 #endif /* BEACON_H */
diff --git a/src/ap/ctrl_iface_ap.c b/src/ap/ctrl_iface_ap.c
index d76b381..ab9c83e 100644
--- a/src/ap/ctrl_iface_ap.c
+++ b/src/ap/ctrl_iface_ap.c
@@ -9,6 +9,7 @@
 #include "utils/includes.h"
 
 #include "utils/common.h"
+#include "common/ieee802_11_defs.h"
 #include "hostapd.h"
 #include "ieee802_1x.h"
 #include "wpa_auth.h"
@@ -17,6 +18,7 @@
 #include "wps_hostapd.h"
 #include "p2p_hostapd.h"
 #include "ctrl_iface_ap.h"
+#include "ap_drv_ops.h"
 
 
 static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
@@ -100,3 +102,170 @@
 	}		
 	return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
 }
+
+
+#ifdef CONFIG_P2P_MANAGER
+static int p2p_manager_disconnect(struct hostapd_data *hapd, u16 stype,
+				  u8 minor_reason_code, const u8 *addr)
+{
+	struct ieee80211_mgmt *mgmt;
+	int ret;
+	u8 *pos;
+
+	if (hapd->driver->send_frame == NULL)
+		return -1;
+
+	mgmt = os_zalloc(sizeof(*mgmt) + 100);
+	if (mgmt == NULL)
+		return -1;
+
+	wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "P2P: Disconnect STA " MACSTR
+		" with minor reason code %u (stype=%u)",
+		MAC2STR(addr), minor_reason_code, stype);
+
+	mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, stype);
+	os_memcpy(mgmt->da, addr, ETH_ALEN);
+	os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
+	os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
+	if (stype == WLAN_FC_STYPE_DEAUTH) {
+		mgmt->u.deauth.reason_code =
+			host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
+		pos = (u8 *) (&mgmt->u.deauth.reason_code + 1);
+	} else {
+		mgmt->u.disassoc.reason_code =
+			host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
+		pos = (u8 *) (&mgmt->u.disassoc.reason_code + 1);
+	}
+
+	*pos++ = WLAN_EID_VENDOR_SPECIFIC;
+	*pos++ = 4 + 3 + 1;
+	WPA_PUT_BE24(pos, OUI_WFA);
+	pos += 3;
+	*pos++ = P2P_OUI_TYPE;
+
+	*pos++ = P2P_ATTR_MINOR_REASON_CODE;
+	WPA_PUT_LE16(pos, 1);
+	pos += 2;
+	*pos++ = minor_reason_code;
+
+	ret = hapd->driver->send_frame(hapd->drv_priv, (u8 *) mgmt,
+				       pos - (u8 *) mgmt, 1);
+	os_free(mgmt);
+
+	return ret < 0 ? -1 : 0;
+}
+#endif /* CONFIG_P2P_MANAGER */
+
+
+int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
+				      const char *txtaddr)
+{
+	u8 addr[ETH_ALEN];
+	struct sta_info *sta;
+	const char *pos;
+
+	wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DEAUTHENTICATE %s",
+		txtaddr);
+
+	if (hwaddr_aton(txtaddr, addr))
+		return -1;
+
+	pos = os_strstr(txtaddr, " test=");
+	if (pos) {
+		struct ieee80211_mgmt mgmt;
+		int encrypt;
+		if (hapd->driver->send_frame == NULL)
+			return -1;
+		pos += 6;
+		encrypt = atoi(pos);
+		os_memset(&mgmt, 0, sizeof(mgmt));
+		mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+						  WLAN_FC_STYPE_DEAUTH);
+		os_memcpy(mgmt.da, addr, ETH_ALEN);
+		os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
+		os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
+		mgmt.u.deauth.reason_code =
+			host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
+		if (hapd->driver->send_frame(hapd->drv_priv, (u8 *) &mgmt,
+					     IEEE80211_HDRLEN +
+					     sizeof(mgmt.u.deauth),
+					     encrypt) < 0)
+			return -1;
+		return 0;
+	}
+
+#ifdef CONFIG_P2P_MANAGER
+	pos = os_strstr(txtaddr, " p2p=");
+	if (pos) {
+		return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DEAUTH,
+					      atoi(pos + 5), addr);
+	}
+#endif /* CONFIG_P2P_MANAGER */
+
+	hostapd_drv_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+	sta = ap_get_sta(hapd, addr);
+	if (sta)
+		ap_sta_deauthenticate(hapd, sta,
+				      WLAN_REASON_PREV_AUTH_NOT_VALID);
+	else if (addr[0] == 0xff)
+		hostapd_free_stas(hapd);
+
+	return 0;
+}
+
+
+int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
+				    const char *txtaddr)
+{
+	u8 addr[ETH_ALEN];
+	struct sta_info *sta;
+	const char *pos;
+
+	wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DISASSOCIATE %s",
+		txtaddr);
+
+	if (hwaddr_aton(txtaddr, addr))
+		return -1;
+
+	pos = os_strstr(txtaddr, " test=");
+	if (pos) {
+		struct ieee80211_mgmt mgmt;
+		int encrypt;
+		if (hapd->driver->send_frame == NULL)
+			return -1;
+		pos += 6;
+		encrypt = atoi(pos);
+		os_memset(&mgmt, 0, sizeof(mgmt));
+		mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+						  WLAN_FC_STYPE_DISASSOC);
+		os_memcpy(mgmt.da, addr, ETH_ALEN);
+		os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
+		os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
+		mgmt.u.disassoc.reason_code =
+			host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
+		if (hapd->driver->send_frame(hapd->drv_priv, (u8 *) &mgmt,
+					     IEEE80211_HDRLEN +
+					     sizeof(mgmt.u.deauth),
+					     encrypt) < 0)
+			return -1;
+		return 0;
+	}
+
+#ifdef CONFIG_P2P_MANAGER
+	pos = os_strstr(txtaddr, " p2p=");
+	if (pos) {
+		return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DISASSOC,
+					      atoi(pos + 5), addr);
+	}
+#endif /* CONFIG_P2P_MANAGER */
+
+	hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+	sta = ap_get_sta(hapd, addr);
+	if (sta)
+		ap_sta_disassociate(hapd, sta,
+				    WLAN_REASON_PREV_AUTH_NOT_VALID);
+	else if (addr[0] == 0xff)
+		hostapd_free_stas(hapd);
+
+	return 0;
+}
diff --git a/src/ap/ctrl_iface_ap.h b/src/ap/ctrl_iface_ap.h
index 0e4286d..e83f894 100644
--- a/src/ap/ctrl_iface_ap.h
+++ b/src/ap/ctrl_iface_ap.h
@@ -15,5 +15,9 @@
 			   char *buf, size_t buflen);
 int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
 				char *buf, size_t buflen);
+int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
+				      const char *txtaddr);
+int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
+				    const char *txtaddr);
 
 #endif /* CTRL_IFACE_AP_H */
diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c
index 820a903..cf06a4f 100644
--- a/src/ap/drv_callbacks.c
+++ b/src/ap/drv_callbacks.c
@@ -26,6 +26,7 @@
 #include "wps_hostapd.h"
 #include "ap_drv_ops.h"
 #include "ap_config.h"
+#include "hw_features.h"
 
 
 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
@@ -78,10 +79,19 @@
 	sta = ap_get_sta(hapd, addr);
 	if (sta) {
 		accounting_sta_stop(hapd, sta);
+
+		/*
+		 * Make sure that the previously registered inactivity timer
+		 * will not remove the STA immediately.
+		 */
+		sta->timeout_next = STA_NULLFUNC;
 	} else {
 		sta = ap_sta_add(hapd, addr);
-		if (sta == NULL)
+		if (sta == NULL) {
+			hostapd_drv_sta_disassoc(hapd, addr,
+						 WLAN_REASON_DISASSOC_AP_BUSY);
 			return -1;
+		}
 	}
 	sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
 
@@ -264,8 +274,36 @@
 }
 
 
+void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
+			     int offset)
+{
+#ifdef NEED_AP_MLME
+	int channel;
+
+	hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+		       HOSTAPD_LEVEL_INFO, "driver had channel switch: "
+		       "freq=%d, ht=%d, offset=%d", freq, ht, offset);
+
+	hapd->iface->freq = freq;
+
+	channel = hostapd_hw_get_channel(hapd, freq);
+	if (!channel) {
+		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+			       HOSTAPD_LEVEL_WARNING, "driver switched to "
+			       "bad channel!");
+		return;
+	}
+
+	hapd->iconf->channel = channel;
+	hapd->iconf->ieee80211n = ht;
+	hapd->iconf->secondary_channel = offset;
+#endif /* NEED_AP_MLME */
+}
+
+
 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
-			 const u8 *bssid, const u8 *ie, size_t ie_len)
+			 const u8 *bssid, const u8 *ie, size_t ie_len,
+			 int ssi_signal)
 {
 	size_t i;
 	int ret = 0;
@@ -276,7 +314,8 @@
 	random_add_randomness(sa, ETH_ALEN);
 	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
 		if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
-					    sa, da, bssid, ie, ie_len) > 0) {
+					    sa, da, bssid, ie, ie_len,
+					    ssi_signal) > 0) {
 			ret = 1;
 			break;
 		}
@@ -541,7 +580,8 @@
 				     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.ie_len,
+				     data->rx_probe_req.ssi_signal);
 		break;
 	case EVENT_NEW_STA:
 		hostapd_event_new_sta(hapd, data->new_sta.addr);
@@ -578,6 +618,13 @@
 		hostapd_rx_action(hapd, &data->rx_action);
 		break;
 #endif /* NEED_AP_MLME */
+	case EVENT_CH_SWITCH:
+		if (!data)
+			break;
+		hostapd_event_ch_switch(hapd, data->ch_switch.freq,
+					data->ch_switch.ht_enabled,
+					data->ch_switch.ch_offset);
+		break;
 	default:
 		wpa_printf(MSG_DEBUG, "Unknown event %d", event);
 		break;
diff --git a/src/ap/gas_serv.c b/src/ap/gas_serv.c
new file mode 100644
index 0000000..2177b02
--- /dev/null
+++ b/src/ap/gas_serv.c
@@ -0,0 +1,673 @@
+/*
+ * Generic advertisement service (GAS) server
+ * Copyright (c) 2011-2012, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/gas.h"
+#include "utils/eloop.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "sta_info.h"
+#include "gas_serv.h"
+
+
+static struct gas_dialog_info *
+gas_dialog_create(struct hostapd_data *hapd, const u8 *addr, u8 dialog_token)
+{
+	struct sta_info *sta;
+	struct gas_dialog_info *dia = NULL;
+	int i, j;
+
+	sta = ap_get_sta(hapd, addr);
+	if (!sta) {
+		/*
+		 * We need a STA entry to be able to maintain state for
+		 * the GAS query.
+		 */
+		wpa_printf(MSG_DEBUG, "ANQP: Add a temporary STA entry for "
+			   "GAS query");
+		sta = ap_sta_add(hapd, addr);
+		if (!sta) {
+			wpa_printf(MSG_DEBUG, "Failed to add STA " MACSTR
+				   " for GAS query", MAC2STR(addr));
+			return NULL;
+		}
+		sta->flags |= WLAN_STA_GAS;
+		/*
+		 * The default inactivity is 300 seconds. We don't need
+		 * it to be that long.
+		 */
+		ap_sta_session_timeout(hapd, sta, 5);
+	}
+
+	if (sta->gas_dialog == NULL) {
+		sta->gas_dialog = os_zalloc(GAS_DIALOG_MAX *
+					    sizeof(struct gas_dialog_info));
+		if (sta->gas_dialog == NULL)
+			return NULL;
+	}
+
+	for (i = sta->gas_dialog_next, j = 0; j < GAS_DIALOG_MAX; i++, j++) {
+		if (i == GAS_DIALOG_MAX)
+			i = 0;
+		if (sta->gas_dialog[i].valid)
+			continue;
+		dia = &sta->gas_dialog[i];
+		dia->valid = 1;
+		dia->index = i;
+		dia->dialog_token = dialog_token;
+		sta->gas_dialog_next = (++i == GAS_DIALOG_MAX) ? 0 : i;
+		return dia;
+	}
+
+	wpa_msg(hapd->msg_ctx, MSG_ERROR, "ANQP: Could not create dialog for "
+		MACSTR " dialog_token %u. Consider increasing "
+		"GAS_DIALOG_MAX.", MAC2STR(addr), dialog_token);
+
+	return NULL;
+}
+
+
+struct gas_dialog_info *
+gas_serv_dialog_find(struct hostapd_data *hapd, const u8 *addr,
+		     u8 dialog_token)
+{
+	struct sta_info *sta;
+	int i;
+
+	sta = ap_get_sta(hapd, addr);
+	if (!sta) {
+		wpa_printf(MSG_DEBUG, "ANQP: could not find STA " MACSTR,
+			   MAC2STR(addr));
+		return NULL;
+	}
+	for (i = 0; sta->gas_dialog && i < GAS_DIALOG_MAX; i++) {
+		if (sta->gas_dialog[i].dialog_token != dialog_token ||
+		    !sta->gas_dialog[i].valid)
+			continue;
+		return &sta->gas_dialog[i];
+	}
+	wpa_printf(MSG_DEBUG, "ANQP: Could not find dialog for "
+		   MACSTR " dialog_token %u", MAC2STR(addr), dialog_token);
+	return NULL;
+}
+
+
+void gas_serv_dialog_clear(struct gas_dialog_info *dia)
+{
+	wpabuf_free(dia->sd_resp);
+	os_memset(dia, 0, sizeof(*dia));
+}
+
+
+static void gas_serv_free_dialogs(struct hostapd_data *hapd,
+				  const u8 *sta_addr)
+{
+	struct sta_info *sta;
+	int i;
+
+	sta = ap_get_sta(hapd, sta_addr);
+	if (sta == NULL || sta->gas_dialog == NULL)
+		return;
+
+	for (i = 0; i < GAS_DIALOG_MAX; i++) {
+		if (sta->gas_dialog[i].valid)
+			return;
+	}
+
+	os_free(sta->gas_dialog);
+	sta->gas_dialog = NULL;
+}
+
+
+static void anqp_add_capab_list(struct hostapd_data *hapd,
+				struct wpabuf *buf)
+{
+	u8 *len;
+
+	len = gas_anqp_add_element(buf, ANQP_CAPABILITY_LIST);
+	wpabuf_put_le16(buf, ANQP_CAPABILITY_LIST);
+	if (hapd->conf->venue_name)
+		wpabuf_put_le16(buf, ANQP_VENUE_NAME);
+	if (hapd->conf->roaming_consortium)
+		wpabuf_put_le16(buf, ANQP_ROAMING_CONSORTIUM);
+	gas_anqp_set_element_len(buf, len);
+}
+
+
+static void anqp_add_venue_name(struct hostapd_data *hapd, struct wpabuf *buf)
+{
+	if (hapd->conf->venue_name) {
+		u8 *len;
+		unsigned int i;
+		len = gas_anqp_add_element(buf, ANQP_VENUE_NAME);
+		wpabuf_put_u8(buf, hapd->conf->venue_group);
+		wpabuf_put_u8(buf, hapd->conf->venue_type);
+		for (i = 0; i < hapd->conf->venue_name_count; i++) {
+			struct hostapd_venue_name *vn;
+			vn = &hapd->conf->venue_name[i];
+			wpabuf_put_u8(buf, 3 + vn->name_len);
+			wpabuf_put_data(buf, vn->lang, 3);
+			wpabuf_put_data(buf, vn->name, vn->name_len);
+		}
+		gas_anqp_set_element_len(buf, len);
+	}
+}
+
+
+static void anqp_add_roaming_consortium(struct hostapd_data *hapd,
+					struct wpabuf *buf)
+{
+	unsigned int i;
+	u8 *len;
+
+	len = gas_anqp_add_element(buf, ANQP_ROAMING_CONSORTIUM);
+	for (i = 0; i < hapd->conf->roaming_consortium_count; i++) {
+		struct hostapd_roaming_consortium *rc;
+		rc = &hapd->conf->roaming_consortium[i];
+		wpabuf_put_u8(buf, rc->len);
+		wpabuf_put_data(buf, rc->oi, rc->len);
+	}
+	gas_anqp_set_element_len(buf, len);
+}
+
+
+static struct wpabuf *
+gas_serv_build_gas_resp_payload(struct hostapd_data *hapd,
+				unsigned int request,
+				struct gas_dialog_info *di)
+{
+	struct wpabuf *buf;
+
+	buf = wpabuf_alloc(1400);
+	if (buf == NULL)
+		return NULL;
+
+	if (request & ANQP_REQ_CAPABILITY_LIST)
+		anqp_add_capab_list(hapd, buf);
+	if (request & ANQP_REQ_VENUE_NAME)
+		anqp_add_venue_name(hapd, buf);
+	if (request & ANQP_REQ_ROAMING_CONSORTIUM)
+		anqp_add_roaming_consortium(hapd, buf);
+
+	return buf;
+}
+
+
+static void gas_serv_clear_cached_ies(void *eloop_data, void *user_ctx)
+{
+	struct gas_dialog_info *dia = eloop_data;
+
+	wpa_printf(MSG_DEBUG, "GAS: Timeout triggered, clearing dialog for "
+		   "dialog token %d", dia->dialog_token);
+
+	gas_serv_dialog_clear(dia);
+}
+
+
+struct anqp_query_info {
+	unsigned int request;
+	unsigned int remote_request;
+	const void *param;
+	u32 param_arg;
+	u16 remote_delay;
+};
+
+
+static void set_anqp_req(unsigned int bit, const char *name, int local,
+			 unsigned int remote, u16 remote_delay,
+			 struct anqp_query_info *qi)
+{
+	qi->request |= bit;
+	if (local) {
+		wpa_printf(MSG_DEBUG, "ANQP: %s (local)", name);
+	} else if (bit & remote) {
+		wpa_printf(MSG_DEBUG, "ANQP: %s (remote)", name);
+		qi->remote_request |= bit;
+		if (remote_delay > qi->remote_delay)
+			qi->remote_delay = remote_delay;
+	} else {
+		wpa_printf(MSG_DEBUG, "ANQP: %s not available", name);
+	}
+}
+
+
+static void rx_anqp_query_list_id(struct hostapd_data *hapd, u16 info_id,
+				  struct anqp_query_info *qi)
+{
+	switch (info_id) {
+	case ANQP_CAPABILITY_LIST:
+		set_anqp_req(ANQP_REQ_CAPABILITY_LIST, "Capability List", 1, 0,
+			     0, qi);
+		break;
+	case ANQP_VENUE_NAME:
+		set_anqp_req(ANQP_REQ_VENUE_NAME, "Venue Name",
+			     hapd->conf->venue_name != NULL, 0, 0, qi);
+		break;
+	case ANQP_ROAMING_CONSORTIUM:
+		set_anqp_req(ANQP_REQ_ROAMING_CONSORTIUM, "Roaming Consortium",
+			     hapd->conf->roaming_consortium != NULL, 0, 0, qi);
+		break;
+	default:
+		wpa_printf(MSG_DEBUG, "ANQP: Unsupported Info Id %u",
+			   info_id);
+		break;
+	}
+}
+
+
+static void rx_anqp_query_list(struct hostapd_data *hapd,
+			       const u8 *pos, const u8 *end,
+			       struct anqp_query_info *qi)
+{
+	wpa_printf(MSG_DEBUG, "ANQP: %u Info IDs requested in Query list",
+		   (unsigned int) (end - pos) / 2);
+
+	while (pos + 2 <= end) {
+		rx_anqp_query_list_id(hapd, WPA_GET_LE16(pos), qi);
+		pos += 2;
+	}
+}
+
+
+static void gas_serv_req_local_processing(struct hostapd_data *hapd,
+					  const u8 *sa, u8 dialog_token,
+					  struct anqp_query_info *qi)
+{
+	struct wpabuf *buf, *tx_buf;
+
+	buf = gas_serv_build_gas_resp_payload(hapd, qi->request, NULL);
+	wpa_hexdump_buf(MSG_MSGDUMP, "ANQP: Locally generated ANQP responses",
+			buf);
+	if (!buf)
+		return;
+
+	if (wpabuf_len(buf) > hapd->gas_frag_limit ||
+	    hapd->conf->gas_comeback_delay) {
+		struct gas_dialog_info *di;
+		u16 comeback_delay = 1;
+
+		if (hapd->conf->gas_comeback_delay) {
+			/* Testing - allow overriding of the delay value */
+			comeback_delay = hapd->conf->gas_comeback_delay;
+		}
+
+		wpa_printf(MSG_DEBUG, "ANQP: Too long response to fit in "
+			   "initial response - use GAS comeback");
+		di = gas_dialog_create(hapd, sa, dialog_token);
+		if (!di) {
+			wpa_printf(MSG_INFO, "ANQP: Could not create dialog "
+				   "for " MACSTR " (dialog token %u)",
+				   MAC2STR(sa), dialog_token);
+			wpabuf_free(buf);
+			return;
+		}
+		di->sd_resp = buf;
+		di->sd_resp_pos = 0;
+		tx_buf = gas_anqp_build_initial_resp_buf(
+			dialog_token, WLAN_STATUS_SUCCESS, comeback_delay,
+			NULL);
+	} else {
+		wpa_printf(MSG_DEBUG, "ANQP: Initial response (no comeback)");
+		tx_buf = gas_anqp_build_initial_resp_buf(
+			dialog_token, WLAN_STATUS_SUCCESS, 0, buf);
+		wpabuf_free(buf);
+	}
+	if (!tx_buf)
+		return;
+
+	hostapd_drv_send_action(hapd, hapd->iface->freq, 0, sa,
+				wpabuf_head(tx_buf), wpabuf_len(tx_buf));
+	wpabuf_free(tx_buf);
+}
+
+
+static void gas_serv_rx_gas_initial_req(struct hostapd_data *hapd,
+					const u8 *sa,
+					const u8 *data, size_t len)
+{
+	const u8 *pos = data;
+	const u8 *end = data + len;
+	const u8 *next;
+	u8 dialog_token;
+	u16 slen;
+	struct anqp_query_info qi;
+	const u8 *adv_proto;
+
+	if (len < 1 + 2)
+		return;
+
+	os_memset(&qi, 0, sizeof(qi));
+
+	dialog_token = *pos++;
+	wpa_msg(hapd->msg_ctx, MSG_DEBUG,
+		"GAS: GAS Initial Request from " MACSTR " (dialog token %u) ",
+		MAC2STR(sa), dialog_token);
+
+	if (*pos != WLAN_EID_ADV_PROTO) {
+		wpa_msg(hapd->msg_ctx, MSG_DEBUG,
+			"GAS: Unexpected IE in GAS Initial Request: %u", *pos);
+		return;
+	}
+	adv_proto = pos++;
+
+	slen = *pos++;
+	next = pos + slen;
+	if (next > end || slen < 2) {
+		wpa_msg(hapd->msg_ctx, MSG_DEBUG,
+			"GAS: Invalid IE in GAS Initial Request");
+		return;
+	}
+	pos++; /* skip QueryRespLenLimit and PAME-BI */
+
+	if (*pos != ACCESS_NETWORK_QUERY_PROTOCOL) {
+		struct wpabuf *buf;
+		wpa_msg(hapd->msg_ctx, MSG_DEBUG,
+			"GAS: Unsupported GAS advertisement protocol id %u",
+			*pos);
+		if (sa[0] & 0x01)
+			return; /* Invalid source address - drop silently */
+		buf = gas_build_initial_resp(
+			dialog_token, WLAN_STATUS_GAS_ADV_PROTO_NOT_SUPPORTED,
+			0, 2 + slen + 2);
+		if (buf == NULL)
+			return;
+		wpabuf_put_data(buf, adv_proto, 2 + slen);
+		wpabuf_put_le16(buf, 0); /* Query Response Length */
+		hostapd_drv_send_action(hapd, hapd->iface->freq, 0, sa,
+					wpabuf_head(buf), wpabuf_len(buf));
+		wpabuf_free(buf);
+		return;
+	}
+
+	pos = next;
+	/* Query Request */
+	if (pos + 2 > end)
+		return;
+	slen = WPA_GET_LE16(pos);
+	pos += 2;
+	if (pos + slen > end)
+		return;
+	end = pos + slen;
+
+	/* ANQP Query Request */
+	while (pos < end) {
+		u16 info_id, elen;
+
+		if (pos + 4 > end)
+			return;
+
+		info_id = WPA_GET_LE16(pos);
+		pos += 2;
+		elen = WPA_GET_LE16(pos);
+		pos += 2;
+
+		if (pos + elen > end) {
+			wpa_printf(MSG_DEBUG, "ANQP: Invalid Query Request");
+			return;
+		}
+
+		switch (info_id) {
+		case ANQP_QUERY_LIST:
+			rx_anqp_query_list(hapd, pos, pos + elen, &qi);
+			break;
+		default:
+			wpa_printf(MSG_DEBUG, "ANQP: Unsupported Query "
+				   "Request element %u", info_id);
+			break;
+		}
+
+		pos += elen;
+	}
+
+	gas_serv_req_local_processing(hapd, sa, dialog_token, &qi);
+}
+
+
+void gas_serv_tx_gas_response(struct hostapd_data *hapd, const u8 *dst,
+			      struct gas_dialog_info *dialog)
+{
+	struct wpabuf *buf, *tx_buf;
+	u8 dialog_token = dialog->dialog_token;
+	size_t frag_len;
+
+	if (dialog->sd_resp == NULL) {
+		buf = gas_serv_build_gas_resp_payload(hapd,
+						      dialog->all_requested,
+						      dialog);
+		wpa_hexdump_buf(MSG_MSGDUMP, "ANQP: Generated ANQP responses",
+			buf);
+		if (!buf)
+			goto tx_gas_response_done;
+		dialog->sd_resp = buf;
+		dialog->sd_resp_pos = 0;
+	}
+	frag_len = wpabuf_len(dialog->sd_resp) - dialog->sd_resp_pos;
+	if (frag_len > hapd->gas_frag_limit || dialog->comeback_delay ||
+	    hapd->conf->gas_comeback_delay) {
+		u16 comeback_delay_tus = dialog->comeback_delay +
+			GAS_SERV_COMEBACK_DELAY_FUDGE;
+		u32 comeback_delay_secs, comeback_delay_usecs;
+
+		if (hapd->conf->gas_comeback_delay) {
+			/* Testing - allow overriding of the delay value */
+			comeback_delay_tus = hapd->conf->gas_comeback_delay;
+		}
+
+		wpa_printf(MSG_DEBUG, "GAS: Response frag_len %u (frag limit "
+			   "%u) and comeback delay %u, "
+			   "requesting comebacks", (unsigned int) frag_len,
+			   (unsigned int) hapd->gas_frag_limit,
+			   dialog->comeback_delay);
+		tx_buf = gas_anqp_build_initial_resp_buf(dialog_token,
+							 WLAN_STATUS_SUCCESS,
+							 comeback_delay_tus,
+							 NULL);
+		if (tx_buf) {
+			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
+				"GAS: Tx GAS Initial Resp (comeback = 10TU)");
+			hostapd_drv_send_action(hapd, hapd->iface->freq, 0,
+						dst,
+						wpabuf_head(tx_buf),
+						wpabuf_len(tx_buf));
+		}
+		wpabuf_free(tx_buf);
+
+		/* start a timer of 1.5 * comeback-delay */
+		comeback_delay_tus = comeback_delay_tus +
+			(comeback_delay_tus / 2);
+		comeback_delay_secs = (comeback_delay_tus * 1024) / 1000000;
+		comeback_delay_usecs = (comeback_delay_tus * 1024) -
+			(comeback_delay_secs * 1000000);
+		eloop_register_timeout(comeback_delay_secs,
+				       comeback_delay_usecs,
+				       gas_serv_clear_cached_ies, dialog,
+				       NULL);
+		goto tx_gas_response_done;
+	}
+
+	buf = wpabuf_alloc_copy(wpabuf_head_u8(dialog->sd_resp) +
+				dialog->sd_resp_pos, frag_len);
+	if (buf == NULL) {
+		wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: Buffer allocation "
+			"failed");
+		goto tx_gas_response_done;
+	}
+	tx_buf = gas_anqp_build_initial_resp_buf(dialog_token,
+						 WLAN_STATUS_SUCCESS, 0, buf);
+	wpabuf_free(buf);
+	if (tx_buf == NULL)
+		goto tx_gas_response_done;
+	wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: Tx GAS Initial "
+		"Response (frag_id %d frag_len %d)",
+		dialog->sd_frag_id, (int) frag_len);
+	dialog->sd_frag_id++;
+
+	hostapd_drv_send_action(hapd, hapd->iface->freq, 0, dst,
+				wpabuf_head(tx_buf), wpabuf_len(tx_buf));
+	wpabuf_free(tx_buf);
+tx_gas_response_done:
+	gas_serv_clear_cached_ies(dialog, NULL);
+}
+
+
+static void gas_serv_rx_gas_comeback_req(struct hostapd_data *hapd,
+					 const u8 *sa,
+					 const u8 *data, size_t len)
+{
+	struct gas_dialog_info *dialog;
+	struct wpabuf *buf, *tx_buf;
+	u8 dialog_token;
+	size_t frag_len;
+	int more = 0;
+
+	wpa_hexdump(MSG_DEBUG, "GAS: RX GAS Comeback Request", data, len);
+	if (len < 1)
+		return;
+	dialog_token = *data;
+	wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: Dialog Token: %u",
+		dialog_token);
+
+	dialog = gas_serv_dialog_find(hapd, sa, dialog_token);
+	if (!dialog) {
+		wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: No pending SD "
+			"response fragment for " MACSTR " dialog token %u",
+			MAC2STR(sa), dialog_token);
+
+		if (sa[0] & 0x01)
+			return; /* Invalid source address - drop silently */
+		tx_buf = gas_anqp_build_comeback_resp_buf(
+			dialog_token, WLAN_STATUS_NO_OUTSTANDING_GAS_REQ, 0, 0,
+			0, NULL);
+		if (tx_buf == NULL)
+			return;
+		goto send_resp;
+	}
+
+	if (dialog->sd_resp == NULL) {
+		wpa_printf(MSG_DEBUG, "GAS: Remote request 0x%x received 0x%x",
+			   dialog->requested, dialog->received);
+		if ((dialog->requested & dialog->received) !=
+		    dialog->requested) {
+			wpa_printf(MSG_DEBUG, "GAS: Did not receive response "
+				   "from remote processing");
+			gas_serv_dialog_clear(dialog);
+			tx_buf = gas_anqp_build_comeback_resp_buf(
+				dialog_token,
+				WLAN_STATUS_GAS_RESP_NOT_RECEIVED, 0, 0, 0,
+				NULL);
+			if (tx_buf == NULL)
+				return;
+			goto send_resp;
+		}
+
+		buf = gas_serv_build_gas_resp_payload(hapd,
+						      dialog->all_requested,
+						      dialog);
+		wpa_hexdump_buf(MSG_MSGDUMP, "ANQP: Generated ANQP responses",
+			buf);
+		if (!buf)
+			goto rx_gas_comeback_req_done;
+		dialog->sd_resp = buf;
+		dialog->sd_resp_pos = 0;
+	}
+	frag_len = wpabuf_len(dialog->sd_resp) - dialog->sd_resp_pos;
+	if (frag_len > hapd->gas_frag_limit) {
+		frag_len = hapd->gas_frag_limit;
+		more = 1;
+	}
+	wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: resp frag_len %u",
+		(unsigned int) frag_len);
+	buf = wpabuf_alloc_copy(wpabuf_head_u8(dialog->sd_resp) +
+				dialog->sd_resp_pos, frag_len);
+	if (buf == NULL) {
+		wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: Failed to allocate "
+			"buffer");
+		goto rx_gas_comeback_req_done;
+	}
+	tx_buf = gas_anqp_build_comeback_resp_buf(dialog_token,
+						  WLAN_STATUS_SUCCESS,
+						  dialog->sd_frag_id,
+						  more, 0, buf);
+	wpabuf_free(buf);
+	if (tx_buf == NULL)
+		goto rx_gas_comeback_req_done;
+	wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: Tx GAS Comeback Response "
+		"(frag_id %d more=%d frag_len=%d)",
+		dialog->sd_frag_id, more, (int) frag_len);
+	dialog->sd_frag_id++;
+	dialog->sd_resp_pos += frag_len;
+
+	if (more) {
+		wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: %d more bytes remain "
+			"to be sent",
+			(int) (wpabuf_len(dialog->sd_resp) -
+			       dialog->sd_resp_pos));
+	} else {
+		wpa_msg(hapd->msg_ctx, MSG_DEBUG, "GAS: All fragments of "
+			"SD response sent");
+		gas_serv_dialog_clear(dialog);
+		gas_serv_free_dialogs(hapd, sa);
+	}
+
+send_resp:
+	hostapd_drv_send_action(hapd, hapd->iface->freq, 0, sa,
+				wpabuf_head(tx_buf), wpabuf_len(tx_buf));
+	wpabuf_free(tx_buf);
+	return;
+
+rx_gas_comeback_req_done:
+	gas_serv_clear_cached_ies(dialog, NULL);
+}
+
+
+static void gas_serv_rx_public_action(void *ctx, const u8 *buf, size_t len,
+				      int freq)
+{
+	struct hostapd_data *hapd = ctx;
+	const struct ieee80211_mgmt *mgmt;
+	size_t hdr_len;
+	const u8 *sa, *data;
+
+	mgmt = (const struct ieee80211_mgmt *) buf;
+	hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
+	if (hdr_len > len)
+		return;
+	if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
+		return;
+	sa = mgmt->sa;
+	len -= hdr_len;
+	data = &mgmt->u.action.u.public_action.action;
+	switch (data[0]) {
+	case WLAN_PA_GAS_INITIAL_REQ:
+		gas_serv_rx_gas_initial_req(hapd, sa, data + 1, len - 1);
+		break;
+	case WLAN_PA_GAS_COMEBACK_REQ:
+		gas_serv_rx_gas_comeback_req(hapd, sa, data + 1, len - 1);
+		break;
+	}
+}
+
+
+int gas_serv_init(struct hostapd_data *hapd)
+{
+	hapd->public_action_cb = gas_serv_rx_public_action;
+	hapd->public_action_cb_ctx = hapd;
+	hapd->gas_frag_limit = 1400;
+	if (hapd->conf->gas_frag_limit > 0)
+		hapd->gas_frag_limit = hapd->conf->gas_frag_limit;
+	return 0;
+}
+
+
+void gas_serv_deinit(struct hostapd_data *hapd)
+{
+}
diff --git a/src/ap/gas_serv.h b/src/ap/gas_serv.h
new file mode 100644
index 0000000..0e2eaf6
--- /dev/null
+++ b/src/ap/gas_serv.h
@@ -0,0 +1,49 @@
+/*
+ * Generic advertisement service (GAS) server
+ * Copyright (c) 2011-2012, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef GAS_SERV_H
+#define GAS_SERV_H
+
+#define ANQP_REQ_CAPABILITY_LIST \
+	(1 << (ANQP_CAPABILITY_LIST - ANQP_QUERY_LIST))
+#define ANQP_REQ_VENUE_NAME \
+	(1 << (ANQP_VENUE_NAME - ANQP_QUERY_LIST))
+#define ANQP_REQ_ROAMING_CONSORTIUM \
+	(1 << (ANQP_ROAMING_CONSORTIUM - ANQP_QUERY_LIST))
+
+/* To account for latencies between hostapd and external ANQP processor */
+#define GAS_SERV_COMEBACK_DELAY_FUDGE 10
+#define GAS_SERV_MIN_COMEBACK_DELAY 100 /* in TU */
+
+struct gas_dialog_info {
+	u8 valid;
+	u8 index;
+	struct wpabuf *sd_resp; /* Fragmented response */
+	u8 dialog_token;
+	size_t sd_resp_pos; /* Offset in sd_resp */
+	u8 sd_frag_id;
+	u16 comeback_delay;
+
+	unsigned int requested;
+	unsigned int received;
+	unsigned int all_requested;
+};
+
+struct hostapd_data;
+
+void gas_serv_tx_gas_response(struct hostapd_data *hapd, const u8 *dst,
+			      struct gas_dialog_info *dialog);
+struct gas_dialog_info *
+gas_serv_dialog_find(struct hostapd_data *hapd, const u8 *addr,
+		     u8 dialog_token);
+void gas_serv_dialog_clear(struct gas_dialog_info *dialog);
+
+int gas_serv_init(struct hostapd_data *hapd);
+void gas_serv_deinit(struct hostapd_data *hapd);
+
+#endif /* GAS_SERV_H */
diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index c5cbdf7..22c5e65 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -1,6 +1,6 @@
 /*
  * hostapd / Initialization and configuration
- * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * 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.
@@ -12,6 +12,7 @@
 #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"
@@ -30,15 +31,33 @@
 #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);
+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;
 
 
+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
@@ -105,7 +124,8 @@
 	 * allow them to use the BSS anymore.
 	 */
 	for (j = 0; j < iface->num_bss; j++) {
-		hostapd_flush_old_stations(iface->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
@@ -210,21 +230,9 @@
 	return errors;
 }
 
-/**
- * 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->ctrl_iface_deinit)
-		hapd->iface->ctrl_iface_deinit(hapd);
 
+static void hostapd_free_hapd_data(struct hostapd_data *hapd)
+{
 	iapp_deinit(hapd->iapp);
 	hapd->iapp = NULL;
 	accounting_deinit(hapd);
@@ -234,6 +242,8 @@
 #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);
@@ -257,6 +267,28 @@
 #endif /* CONFIG_P2P */
 
 	wpabuf_free(hapd->time_adv);
+
+#ifdef CONFIG_INTERWORKING
+	gas_serv_deinit(hapd);
+#endif /* CONFIG_INTERWORKING */
+}
+
+
+/**
+ * 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->ctrl_iface_deinit)
+		hapd->iface->ctrl_iface_deinit(hapd);
+	hostapd_free_hapd_data(hapd);
 }
 
 
@@ -272,6 +304,18 @@
 }
 
 
+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
@@ -281,13 +325,7 @@
  */
 static void hostapd_cleanup_iface(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_partial(iface);
 	hostapd_config_free(iface->conf);
 	iface->conf = NULL;
 
@@ -297,6 +335,15 @@
 }
 
 
+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;
@@ -333,7 +380,7 @@
 }
 
 
-static int hostapd_flush_old_stations(struct hostapd_data *hapd)
+static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason)
 {
 	int ret = 0;
 	u8 addr[ETH_ALEN];
@@ -349,7 +396,7 @@
 	}
 	wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Deauthenticate all stations");
 	os_memset(addr, 0xff, ETH_ALEN);
-	hostapd_drv_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+	hostapd_drv_sta_deauth(hapd, addr, reason);
 	hostapd_free_stas(hapd);
 
 	return ret;
@@ -464,6 +511,86 @@
 }
 
 
+#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 */
 
 
 /**
@@ -519,7 +646,7 @@
 	if (conf->wmm_enabled < 0)
 		conf->wmm_enabled = hapd->iconf->ieee80211n;
 
-	hostapd_flush_old_stations(hapd);
+	hostapd_flush_old_stations(hapd, WLAN_REASON_PREV_AUTH_NOT_VALID);
 	hostapd_set_privacy(hapd, 0);
 
 	hostapd_broadcast_wep_clear(hapd);
@@ -583,6 +710,27 @@
 		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)) {
@@ -615,6 +763,13 @@
 		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->ctrl_iface_init &&
 	    hapd->iface->ctrl_iface_init(hapd)) {
 		wpa_printf(MSG_ERROR, "Failed to setup control interface");
@@ -857,6 +1012,7 @@
 	hapd->conf = bss;
 	hapd->iface = hapd_iface;
 	hapd->driver = hapd->iconf->driver;
+	hapd->ctrl_sock = -1;
 
 	return hapd;
 }
@@ -873,7 +1029,8 @@
 	for (j = 0; j < iface->num_bss; j++) {
 		struct hostapd_data *hapd = iface->bss[j];
 		hostapd_free_stas(hapd);
-		hostapd_flush_old_stations(hapd);
+		hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
+		hostapd_clear_wep(hapd);
 		hostapd_cleanup(hapd);
 	}
 }
@@ -937,4 +1094,12 @@
 			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);
 }
diff --git a/src/ap/hostapd.h b/src/ap/hostapd.h
index bc28805..f7ed311 100644
--- a/src/ap/hostapd.h
+++ b/src/ap/hostapd.h
@@ -15,7 +15,6 @@
 struct wpa_ctrl_dst;
 struct radius_server_data;
 struct upnp_wps_device_sm;
-struct hapd_interfaces;
 struct hostapd_data;
 struct sta_info;
 struct hostap_sta_driver_data;
@@ -24,9 +23,15 @@
 enum wps_event;
 union wps_event_data;
 
+struct hapd_interfaces {
+	size_t count;
+	struct hostapd_iface **iface;
+};
+
+
 struct hostapd_probereq_cb {
 	int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
-		  const u8 *ie, size_t ie_len);
+		  const u8 *ie, size_t ie_len, int ssi_signal);
 	void *ctx;
 };
 
@@ -40,7 +45,7 @@
 struct hostapd_frame_info {
 	u32 channel;
 	u32 datarate;
-	u32 ssi_signal;
+	int ssi_signal; /* dBm */
 };
 
 
@@ -80,6 +85,7 @@
 
 	struct radius_client_data *radius;
 	u32 acct_session_id_hi, acct_session_id_lo;
+	struct radius_das_data *radius_das;
 
 	struct iapp_data *iapp;
 
@@ -164,6 +170,9 @@
 	int noa_start;
 	int noa_duration;
 #endif /* CONFIG_P2P */
+#ifdef CONFIG_INTERWORKING
+	size_t gas_frag_limit;
+#endif /* CONFIG_INTERWORKING */
 };
 
 
@@ -242,6 +251,9 @@
 };
 
 /* hostapd.c */
+int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
+			       int (*cb)(struct hostapd_iface *iface,
+					 void *ctx), void *ctx);
 int hostapd_reload_config(struct hostapd_iface *iface);
 struct hostapd_data *
 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
@@ -258,7 +270,8 @@
 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
 				 int (*cb)(void *ctx, const u8 *sa,
 					   const u8 *da, const u8 *bssid,
-					   const u8 *ie, size_t ie_len),
+					   const u8 *ie, size_t ie_len,
+					   int ssi_signal),
 				 void *ctx);
 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
 
@@ -268,6 +281,9 @@
 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
-			 const u8 *bssid, const u8 *ie, size_t ie_len);
+			 const u8 *bssid, const u8 *ie, size_t ie_len,
+			 int ssi_signal);
+void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
+			     int offset);
 
 #endif /* HOSTAPD_H */
diff --git a/src/ap/hw_features.c b/src/ap/hw_features.c
index 8c6fef2..76c4211 100644
--- a/src/ap/hw_features.c
+++ b/src/ap/hw_features.c
@@ -2,7 +2,7 @@
  * hostapd / Hardware feature query and different modes
  * Copyright 2002-2003, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
- * Copyright (c) 2008-2011, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -416,7 +416,7 @@
 	int res;
 
 	/* Check list of neighboring BSSes (from scan) to see whether 40 MHz is
-	 * allowed per IEEE 802.11n/D7.0, 11.14.3.2 */
+	 * allowed per IEEE Std 802.11-2012, 10.15.3.2 */
 
 	iface->scan_cb = NULL;
 
@@ -447,6 +447,46 @@
 }
 
 
+static void ieee80211n_scan_channels_2g4(struct hostapd_iface *iface,
+					 struct wpa_driver_scan_params *params)
+{
+	/* Scan only the affected frequency range */
+	int pri_freq, sec_freq;
+	int affected_start, affected_end;
+	int i, pos;
+	struct hostapd_hw_modes *mode;
+
+	if (iface->current_mode == NULL)
+		return;
+
+	pri_freq = hostapd_hw_get_freq(iface->bss[0], iface->conf->channel);
+	if (iface->conf->secondary_channel > 0)
+		sec_freq = pri_freq + 20;
+	else
+		sec_freq = pri_freq - 20;
+	affected_start = (pri_freq + sec_freq) / 2 - 25;
+	affected_end = (pri_freq + sec_freq) / 2 + 25;
+	wpa_printf(MSG_DEBUG, "40 MHz affected channel range: [%d,%d] MHz",
+		   affected_start, affected_end);
+
+	mode = iface->current_mode;
+	params->freqs = os_zalloc((mode->num_channels + 1) * sizeof(int));
+	if (params->freqs == NULL)
+		return;
+	pos = 0;
+
+	for (i = 0; i < mode->num_channels; i++) {
+		struct hostapd_channel_data *chan = &mode->channels[i];
+		if (chan->flag & HOSTAPD_CHAN_DISABLED)
+			continue;
+		if (chan->freq < affected_start ||
+		    chan->freq > affected_end)
+			continue;
+		params->freqs[pos++] = chan->freq;
+	}
+}
+
+
 static int ieee80211n_check_40mhz(struct hostapd_iface *iface)
 {
 	struct wpa_driver_scan_params params;
@@ -457,12 +497,15 @@
 	wpa_printf(MSG_DEBUG, "Scan for neighboring BSSes prior to enabling "
 		   "40 MHz channel");
 	os_memset(&params, 0, sizeof(params));
-	/* TODO: scan only the needed frequency */
+	if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
+		ieee80211n_scan_channels_2g4(iface, &params);
 	if (hostapd_driver_scan(iface->bss[0], &params) < 0) {
 		wpa_printf(MSG_ERROR, "Failed to request a scan of "
 			   "neighboring BSSes");
+		os_free(params.freqs);
 		return -1;
 	}
+	os_free(params.freqs);
 
 	iface->scan_cb = ieee80211n_check_scan;
 	return 1;
diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index 9c931ca..3996c90 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -876,6 +876,7 @@
 #endif /* CONFIG_IEEE80211N */
 
 	p = hostapd_eid_ext_capab(hapd, p);
+	p = hostapd_eid_bss_max_idle_period(hapd, p);
 
 	if (sta->flags & WLAN_STA_WMM)
 		p = hostapd_eid_wmm(hapd, p);
@@ -1392,7 +1393,7 @@
 
 
 	if (stype == WLAN_FC_STYPE_PROBE_REQ) {
-		handle_probe_req(hapd, mgmt, len);
+		handle_probe_req(hapd, mgmt, len, fi->ssi_signal);
 		return;
 	}
 
diff --git a/src/ap/ieee802_11.h b/src/ap/ieee802_11.h
index d30e90f..9993bee 100644
--- a/src/ap/ieee802_11.h
+++ b/src/ap/ieee802_11.h
@@ -45,6 +45,8 @@
 u8 * hostapd_eid_ext_supp_rates(struct hostapd_data *hapd, u8 *eid);
 u8 * hostapd_eid_ht_capabilities(struct hostapd_data *hapd, u8 *eid);
 u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid);
+u8 * hostapd_eid_vht_capabilities(struct hostapd_data *hapd, u8 *eid);
+u8 * hostapd_eid_vht_operation(struct hostapd_data *hapd, u8 *eid);
 int hostapd_ht_operation_update(struct hostapd_iface *iface);
 void ieee802_11_send_sa_query_req(struct hostapd_data *hapd,
 				  const u8 *addr, const u8 *trans_id);
@@ -72,5 +74,6 @@
 u8 * hostapd_eid_time_zone(struct hostapd_data *hapd, u8 *eid);
 int hostapd_update_time_adv(struct hostapd_data *hapd);
 void hostapd_client_poll_ok(struct hostapd_data *hapd, const u8 *addr);
+u8 * hostapd_eid_bss_max_idle_period(struct hostapd_data *hapd, u8 *eid);
 
 #endif /* IEEE802_11_H */
diff --git a/src/ap/ieee802_11_auth.c b/src/ap/ieee802_11_auth.c
index 109c4bc..0c4c5f3 100644
--- a/src/ap/ieee802_11_auth.c
+++ b/src/ap/ieee802_11_auth.c
@@ -193,7 +193,8 @@
 		goto fail;
 	}
 
-	radius_client_send(hapd->radius, msg, RADIUS_AUTH, addr);
+	if (radius_client_send(hapd->radius, msg, RADIUS_AUTH, addr) < 0)
+		goto fail;
 	return 0;
 
  fail:
@@ -492,7 +493,7 @@
 		}
 
 		if (hapd->conf->wpa_psk_radius == PSK_RADIUS_REQUIRED &&
-		    cache->psk == NULL)
+		    !cache->has_psk)
 			cache->accepted = HOSTAPD_ACL_REJECT;
 	} else
 		cache->accepted = HOSTAPD_ACL_REJECT;
diff --git a/src/ap/ieee802_11_shared.c b/src/ap/ieee802_11_shared.c
index 0935cd5..b3fdf3d 100644
--- a/src/ap/ieee802_11_shared.c
+++ b/src/ap/ieee802_11_shared.c
@@ -1,6 +1,6 @@
 /*
  * hostapd / IEEE 802.11 Management
- * Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi>
+ * 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.
@@ -397,3 +397,31 @@
 
 	return 0;
 }
+
+
+u8 * hostapd_eid_bss_max_idle_period(struct hostapd_data *hapd, u8 *eid)
+{
+	u8 *pos = eid;
+
+#ifdef CONFIG_WNM
+	if (hapd->conf->ap_max_inactivity > 0) {
+		unsigned int val;
+		*pos++ = WLAN_EID_BSS_MAX_IDLE_PERIOD;
+		*pos++ = 3;
+		val = hapd->conf->ap_max_inactivity;
+		if (val > 68000)
+			val = 68000;
+		val *= 1000;
+		val /= 1024;
+		if (val == 0)
+			val = 1;
+		if (val > 65535)
+			val = 65535;
+		WPA_PUT_LE16(pos, val);
+		pos += 2;
+		*pos++ = 0x00; /* TODO: Protected Keep-Alive Required */
+	}
+#endif /* CONFIG_WNM */
+
+	return pos;
+}
diff --git a/src/ap/ieee802_11_vht.c b/src/ap/ieee802_11_vht.c
new file mode 100644
index 0000000..3ad33c8
--- /dev/null
+++ b/src/ap/ieee802_11_vht.c
@@ -0,0 +1,72 @@
+/*
+ * hostapd / IEEE 802.11ac VHT
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of BSD license
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "drivers/driver.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "sta_info.h"
+#include "beacon.h"
+#include "ieee802_11.h"
+
+
+u8 * hostapd_eid_vht_capabilities(struct hostapd_data *hapd, u8 *eid)
+{
+	struct ieee80211_vht_capabilities *cap;
+	u8 *pos = eid;
+
+	if (!hapd->iconf->ieee80211ac || !hapd->iface->current_mode ||
+	    hapd->conf->disable_11ac)
+		return eid;
+
+	*pos++ = WLAN_EID_VHT_CAP;
+	*pos++ = sizeof(*cap);
+
+	cap = (struct ieee80211_vht_capabilities *) pos;
+	os_memset(cap, 0, sizeof(*cap));
+	cap->vht_capabilities_info = host_to_le32(
+		hapd->iface->current_mode->vht_capab);
+
+	/* Supported MCS set comes from hw */
+	os_memcpy(cap->vht_supported_mcs_set,
+	          hapd->iface->current_mode->vht_mcs_set, 8);
+
+	pos += sizeof(*cap);
+
+	return pos;
+}
+
+
+u8 * hostapd_eid_vht_operation(struct hostapd_data *hapd, u8 *eid)
+{
+	struct ieee80211_vht_operation *oper;
+	u8 *pos = eid;
+
+	if (!hapd->iconf->ieee80211ac || hapd->conf->disable_11ac)
+		return eid;
+
+	*pos++ = WLAN_EID_VHT_OPERATION;
+	*pos++ = sizeof(*oper);
+
+	oper = (struct ieee80211_vht_operation *) pos;
+	os_memset(oper, 0, sizeof(*oper));
+
+	oper->vht_op_info_chwidth = hapd->iconf->vht_oper_chwidth;
+
+	/* VHT Basic MCS set comes from hw */
+	/* Hard code 1 stream, MCS0-7 is a min Basic VHT MCS rates */
+	oper->vht_basic_mcs_set = 0xfffc;
+	pos += sizeof(*oper);
+
+	return pos;
+}
diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
index a329777..dd0df1d 100644
--- a/src/ap/ieee802_1x.c
+++ b/src/ap/ieee802_1x.c
@@ -416,6 +416,7 @@
 	struct radius_msg *msg;
 	char buf[128];
 	struct eapol_state_machine *sm = sta->eapol_sm;
+	struct hostapd_radius_attr *attr;
 
 	if (sm == NULL)
 		return;
@@ -442,7 +443,9 @@
 		goto fail;
 	}
 
-	if (hapd->conf->own_ip_addr.af == AF_INET &&
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
+					    RADIUS_ATTR_NAS_IP_ADDRESS) &&
+	    hapd->conf->own_ip_addr.af == AF_INET &&
 	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
 				 (u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) {
 		printf("Could not add NAS-IP-Address\n");
@@ -450,7 +453,9 @@
 	}
 
 #ifdef CONFIG_IPV6
-	if (hapd->conf->own_ip_addr.af == AF_INET6 &&
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
+					    RADIUS_ATTR_NAS_IPV6_ADDRESS) &&
+	    hapd->conf->own_ip_addr.af == AF_INET6 &&
 	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS,
 				 (u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) {
 		printf("Could not add NAS-IPv6-Address\n");
@@ -458,7 +463,9 @@
 	}
 #endif /* CONFIG_IPV6 */
 
-	if (hapd->conf->nas_identifier &&
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
+					    RADIUS_ATTR_NAS_IDENTIFIER) &&
+	    hapd->conf->nas_identifier &&
 	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
 				 (u8 *) hapd->conf->nas_identifier,
 				 os_strlen(hapd->conf->nas_identifier))) {
@@ -466,7 +473,9 @@
 		goto fail;
 	}
 
-	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
+					    RADIUS_ATTR_NAS_PORT) &&
+	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
 		printf("Could not add NAS-Port\n");
 		goto fail;
 	}
@@ -474,7 +483,9 @@
 	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
 		    MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid);
 	buf[sizeof(buf) - 1] = '\0';
-	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
+					    RADIUS_ATTR_CALLED_STATION_ID) &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
 				 (u8 *) buf, os_strlen(buf))) {
 		printf("Could not add Called-Station-Id\n");
 		goto fail;
@@ -492,12 +503,16 @@
 	/* TODO: should probably check MTU from driver config; 2304 is max for
 	 * IEEE 802.11, but use 1400 to avoid problems with too large packets
 	 */
-	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
+					    RADIUS_ATTR_FRAMED_MTU) &&
+	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
 		printf("Could not add Framed-MTU\n");
 		goto fail;
 	}
 
-	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
+					    RADIUS_ATTR_NAS_PORT_TYPE) &&
+	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
 				       RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
 		printf("Could not add NAS-Port-Type\n");
 		goto fail;
@@ -513,7 +528,9 @@
 			    radius_mode_txt(hapd));
 		buf[sizeof(buf) - 1] = '\0';
 	}
-	if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
+	if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
+					    RADIUS_ATTR_CONNECT_INFO) &&
+	    !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
 				 (u8 *) buf, os_strlen(buf))) {
 		printf("Could not add Connect-Info\n");
 		goto fail;
@@ -541,6 +558,36 @@
 		}
 	}
 
+	if (hapd->conf->radius_request_cui) {
+		const u8 *cui;
+		size_t cui_len;
+		/* Add previously learned CUI or nul CUI to request CUI */
+		if (sm->radius_cui) {
+			cui = wpabuf_head(sm->radius_cui);
+			cui_len = wpabuf_len(sm->radius_cui);
+		} else {
+			cui = (const u8 *) "\0";
+			cui_len = 1;
+		}
+		if (!radius_msg_add_attr(msg,
+					 RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
+					 cui, cui_len)) {
+			wpa_printf(MSG_ERROR, "Could not add CUI");
+			goto fail;
+		}
+	}
+
+	for (attr = hapd->conf->radius_auth_req_attr; attr; attr = attr->next)
+	{
+		if (!radius_msg_add_attr(msg, attr->type,
+					 wpabuf_head(attr->val),
+					 wpabuf_len(attr->val))) {
+			wpa_printf(MSG_ERROR, "Could not add RADIUS "
+				   "attribute");
+			goto fail;
+		}
+	}
+
 	if (radius_client_send(hapd->radius, msg, RADIUS_AUTH, sta->addr) < 0)
 		goto fail;
 
@@ -861,12 +908,22 @@
 	if (!force_1x && !hapd->conf->ieee802_1x) {
 		wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore STA - "
 			   "802.1X not enabled or forced for WPS");
+		/*
+		 * Clear any possible EAPOL authenticator state to support
+		 * reassociation change from WPS to PSK.
+		 */
+		ieee802_1x_free_station(sta);
 		return;
 	}
 
 	key_mgmt = wpa_auth_sta_key_mgmt(sta->wpa_sm);
 	if (key_mgmt != -1 && wpa_key_mgmt_wpa_psk(key_mgmt)) {
 		wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore STA - using PSK");
+		/*
+		 * Clear any possible EAPOL authenticator state to support
+		 * reassociation change from WPA-EAP to PSK.
+		 */
+		ieee802_1x_free_station(sta);
 		return;
 	}
 
@@ -968,6 +1025,7 @@
 #ifndef CONFIG_NO_RADIUS
 	radius_msg_free(sm->last_recv_radius);
 	radius_free_class(&sm->radius_class);
+	wpabuf_free(sm->radius_cui);
 #endif /* CONFIG_NO_RADIUS */
 
 	os_free(sm->identity);
@@ -1189,6 +1247,32 @@
 }
 
 
+/* Update CUI based on Chargeable-User-Identity attribute in Access-Accept */
+static void ieee802_1x_update_sta_cui(struct hostapd_data *hapd,
+				      struct sta_info *sta,
+				      struct radius_msg *msg)
+{
+	struct eapol_state_machine *sm = sta->eapol_sm;
+	struct wpabuf *cui;
+	u8 *buf;
+	size_t len;
+
+	if (sm == NULL)
+		return;
+
+	if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
+				    &buf, &len, NULL) < 0)
+		return;
+
+	cui = wpabuf_alloc_copy(buf, len);
+	if (cui == NULL)
+		return;
+
+	wpabuf_free(sm->radius_cui);
+	sm->radius_cui = cui;
+}
+
+
 struct sta_id_search {
 	u8 identifier;
 	struct eapol_state_machine *sm;
@@ -1348,6 +1432,7 @@
 				    shared_secret_len);
 		ieee802_1x_store_radius_class(hapd, sta, msg);
 		ieee802_1x_update_sta_identity(hapd, sta, msg);
+		ieee802_1x_update_sta_cui(hapd, sta, msg);
 		if (sm->eap_if->eapKeyAvailable &&
 		    wpa_auth_pmksa_add(sta->wpa_sm, sm->eapol_key_crypt,
 				       session_timeout_set ?
@@ -1865,6 +1950,14 @@
 }
 
 
+struct wpabuf * ieee802_1x_get_radius_cui(struct eapol_state_machine *sm)
+{
+	if (sm == NULL)
+		return NULL;
+	return sm->radius_cui;
+}
+
+
 const u8 * ieee802_1x_get_key(struct eapol_state_machine *sm, size_t *len)
 {
 	*len = 0;
diff --git a/src/ap/ieee802_1x.h b/src/ap/ieee802_1x.h
index 58f6084..f9b05ca 100644
--- a/src/ap/ieee802_1x.h
+++ b/src/ap/ieee802_1x.h
@@ -67,6 +67,7 @@
 u8 * ieee802_1x_get_identity(struct eapol_state_machine *sm, size_t *len);
 u8 * ieee802_1x_get_radius_class(struct eapol_state_machine *sm, size_t *len,
 				 int idx);
+struct wpabuf * ieee802_1x_get_radius_cui(struct eapol_state_machine *sm);
 const u8 * ieee802_1x_get_key(struct eapol_state_machine *sm, size_t *len);
 void ieee802_1x_notify_port_enabled(struct eapol_state_machine *sm,
 				    int enabled);
diff --git a/src/ap/pmksa_cache_auth.c b/src/ap/pmksa_cache_auth.c
index 9eb4840..ba2c033 100644
--- a/src/ap/pmksa_cache_auth.c
+++ b/src/ap/pmksa_cache_auth.c
@@ -1,6 +1,6 @@
 /*
  * hostapd - PMKSA cache for IEEE 802.11i RSN
- * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2008, 2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -40,6 +40,7 @@
 	if (entry == NULL)
 		return;
 	os_free(entry->identity);
+	wpabuf_free(entry->cui);
 #ifndef CONFIG_NO_RADIUS
 	radius_free_class(&entry->radius_class);
 #endif /* CONFIG_NO_RADIUS */
@@ -136,6 +137,9 @@
 		}
 	}
 
+	if (eapol->radius_cui)
+		entry->cui = wpabuf_dup(eapol->radius_cui);
+
 #ifndef CONFIG_NO_RADIUS
 	radius_copy_class(&entry->radius_class, &eapol->radius_class);
 #endif /* CONFIG_NO_RADIUS */
@@ -163,6 +167,11 @@
 				  eapol->identity, eapol->identity_len);
 	}
 
+	if (entry->cui) {
+		wpabuf_free(eapol->radius_cui);
+		eapol->radius_cui = wpabuf_dup(entry->cui);
+	}
+
 #ifndef CONFIG_NO_RADIUS
 	radius_free_class(&eapol->radius_class);
 	radius_copy_class(&eapol->radius_class, &entry->radius_class);
@@ -299,6 +308,8 @@
 				  old_entry->identity_len);
 		}
 	}
+	if (old_entry->cui)
+		entry->cui = wpabuf_dup(old_entry->cui);
 #ifndef CONFIG_NO_RADIUS
 	radius_copy_class(&entry->radius_class, &old_entry->radius_class);
 #endif /* CONFIG_NO_RADIUS */
diff --git a/src/ap/pmksa_cache_auth.h b/src/ap/pmksa_cache_auth.h
index 74b73c4..d473f3f 100644
--- a/src/ap/pmksa_cache_auth.h
+++ b/src/ap/pmksa_cache_auth.h
@@ -1,6 +1,6 @@
 /*
  * hostapd - PMKSA cache for IEEE 802.11i RSN
- * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2008, 2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -25,6 +25,7 @@
 
 	u8 *identity;
 	size_t identity_len;
+	struct wpabuf *cui;
 	struct radius_class_data radius_class;
 	u8 eap_type_authsrv;
 	int vlan_id;
diff --git a/src/ap/sta_info.c b/src/ap/sta_info.c
index afabdaa..95b701c 100644
--- a/src/ap/sta_info.c
+++ b/src/ap/sta_info.c
@@ -28,6 +28,7 @@
 #include "vlan_init.h"
 #include "p2p_hostapd.h"
 #include "ap_drv_ops.h"
+#include "gas_serv.h"
 #include "sta_info.h"
 
 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
@@ -194,6 +195,8 @@
 	if (set_beacon)
 		ieee802_11_set_beacons(hapd->iface);
 
+	wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
+		   __func__, MAC2STR(sta->addr));
 	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
@@ -218,6 +221,15 @@
 	p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
 #endif /* CONFIG_P2P */
 
+#ifdef CONFIG_INTERWORKING
+	if (sta->gas_dialog) {
+		int i;
+		for (i = 0; i < GAS_DIALOG_MAX; i++)
+			gas_serv_dialog_clear(&sta->gas_dialog[i]);
+		os_free(sta->gas_dialog);
+	}
+#endif /* CONFIG_INTERWORKING */
+
 	wpabuf_free(sta->wps_ie);
 	wpabuf_free(sta->p2p_ie);
 
@@ -262,6 +274,9 @@
 	struct sta_info *sta = timeout_ctx;
 	unsigned long next_time = 0;
 
+	wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
+		   __func__, MAC2STR(sta->addr), sta->flags,
+		   sta->timeout_next);
 	if (sta->timeout_next == STA_REMOVE) {
 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 			       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
@@ -274,6 +289,12 @@
 	    (sta->timeout_next == STA_NULLFUNC ||
 	     sta->timeout_next == STA_DISASSOC)) {
 		int inactive_sec;
+		/*
+		 * Add random value to timeout so that we don't end up bouncing
+		 * all stations at the same time if we have lots of associated
+		 * stations that are idle (but keep re-associating).
+		 */
+		int fuzz = os_random() % 20;
 		inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
 		if (inactive_sec == -1) {
 			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
@@ -285,7 +306,7 @@
 			 * Anyway, try again after the next inactivity timeout,
 			 * but do not disconnect the station now.
 			 */
-			next_time = hapd->conf->ap_max_inactivity;
+			next_time = hapd->conf->ap_max_inactivity + fuzz;
 		} else if (inactive_sec < hapd->conf->ap_max_inactivity &&
 			   sta->flags & WLAN_STA_ASSOC) {
 			/* station activity detected; reset timeout state */
@@ -293,7 +314,7 @@
 				"Station " MACSTR " has been active %is ago",
 				MAC2STR(sta->addr), inactive_sec);
 			sta->timeout_next = STA_NULLFUNC;
-			next_time = hapd->conf->ap_max_inactivity -
+			next_time = hapd->conf->ap_max_inactivity + fuzz -
 				inactive_sec;
 		} else {
 			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
@@ -320,6 +341,9 @@
 	}
 
 	if (next_time) {
+		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
+			   "for " MACSTR " (%lu seconds)",
+			   __func__, MAC2STR(sta->addr), next_time);
 		eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
 				       sta);
 		return;
@@ -353,6 +377,9 @@
 	switch (sta->timeout_next) {
 	case STA_NULLFUNC:
 		sta->timeout_next = STA_DISASSOC;
+		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
+			   "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
+			   __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
 		eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
 				       hapd, sta);
 		break;
@@ -369,6 +396,9 @@
 			       HOSTAPD_LEVEL_INFO, "disassociated due to "
 			       "inactivity");
 		sta->timeout_next = STA_DEAUTH;
+		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
+			   "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
+			   __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
 		eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
 				       hapd, sta);
 		mlme_disassociate_indication(
@@ -397,8 +427,14 @@
 	struct sta_info *sta = timeout_ctx;
 	u8 addr[ETH_ALEN];
 
-	if (!(sta->flags & WLAN_STA_AUTH))
+	if (!(sta->flags & WLAN_STA_AUTH)) {
+		if (sta->flags & WLAN_STA_GAS) {
+			wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
+				   "entry " MACSTR, MAC2STR(sta->addr));
+			ap_free_sta(hapd, sta);
+		}
 		return;
+	}
 
 	mlme_deauthenticate_indication(hapd, sta,
 				       WLAN_REASON_PREV_AUTH_NOT_VALID);
@@ -455,6 +491,10 @@
 	sta->acct_interim_interval = hapd->conf->acct_interim_interval;
 
 	/* initialize STA info data */
+	wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
+		   "for " MACSTR " (%d seconds - ap_max_inactivity)",
+		   __func__, MAC2STR(addr),
+		   hapd->conf->ap_max_inactivity);
 	eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
 			       ap_handle_timer, hapd, sta);
 	os_memcpy(sta->addr, addr, ETH_ALEN);
@@ -528,6 +568,11 @@
 	sta->flags &= ~WLAN_STA_ASSOC;
 	ap_sta_set_authorized(hapd, sta, 0);
 	sta->timeout_next = STA_DEAUTH;
+	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
+		   "for " MACSTR " (%d seconds - "
+		   "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
+		   __func__, MAC2STR(sta->addr),
+		   AP_MAX_INACTIVITY_AFTER_DISASSOC);
 	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
 			       ap_handle_timer, hapd, sta);
@@ -561,6 +606,11 @@
 	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
 	ap_sta_set_authorized(hapd, sta, 0);
 	sta->timeout_next = STA_REMOVE;
+	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
+		   "for " MACSTR " (%d seconds - "
+		   "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
+		   __func__, MAC2STR(sta->addr),
+		   AP_MAX_INACTIVITY_AFTER_DEAUTH);
 	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
 			       ap_handle_timer, hapd, sta);
@@ -576,6 +626,23 @@
 }
 
 
+#ifdef CONFIG_WPS
+int ap_sta_wps_cancel(struct hostapd_data *hapd,
+		      struct sta_info *sta, void *ctx)
+{
+	if (sta && (sta->flags & WLAN_STA_WPS)) {
+		ap_sta_deauthenticate(hapd, sta,
+				      WLAN_REASON_PREV_AUTH_NOT_VALID);
+		wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
+			   __func__, MAC2STR(sta->addr));
+		return 1;
+	}
+
+	return 0;
+}
+#endif /* CONFIG_WPS */
+
+
 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
 		     int old_vlanid)
 {
@@ -778,11 +845,20 @@
 			   int authorized)
 {
 	const u8 *dev_addr = NULL;
+#ifdef CONFIG_P2P
+	u8 addr[ETH_ALEN];
+#endif /* CONFIG_P2P */
+
 	if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
 		return;
 
 #ifdef CONFIG_P2P
-	dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
+	if (hapd->p2p_group == NULL) {
+		if (sta->p2p_ie != NULL &&
+		    p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
+			dev_addr = addr;
+	} else
+		dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
 #endif /* CONFIG_P2P */
 
 	if (authorized) {
@@ -848,6 +924,11 @@
 	wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
 	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
+	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
+		   "for " MACSTR " (%d seconds - "
+		   "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
+		   __func__, MAC2STR(sta->addr),
+		   AP_MAX_INACTIVITY_AFTER_DEAUTH);
 	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
 			       ap_handle_timer, hapd, sta);
diff --git a/src/ap/sta_info.h b/src/ap/sta_info.h
index 60b3a7b..cef428d 100644
--- a/src/ap/sta_info.h
+++ b/src/ap/sta_info.h
@@ -27,6 +27,7 @@
 #define WLAN_STA_WDS BIT(14)
 #define WLAN_STA_ASSOC_REQ_OK BIT(15)
 #define WLAN_STA_WPS2 BIT(16)
+#define WLAN_STA_GAS BIT(17)
 #define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
 #define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
 #define WLAN_STA_NONERP BIT(31)
@@ -107,6 +108,12 @@
 	struct os_time sa_query_start;
 #endif /* CONFIG_IEEE80211W */
 
+#ifdef CONFIG_INTERWORKING
+#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */
+	struct gas_dialog_info *gas_dialog;
+	u8 gas_dialog_next;
+#endif /* CONFIG_INTERWORKING */
+
 	struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
 	struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
 };
@@ -137,7 +144,6 @@
 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
-void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
 void hostapd_free_stas(struct hostapd_data *hapd);
 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
@@ -149,6 +155,10 @@
 			 u16 reason);
 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
 			   u16 reason);
+#ifdef CONFIG_WPS
+int ap_sta_wps_cancel(struct hostapd_data *hapd,
+		      struct sta_info *sta, void *ctx);
+#endif /* CONFIG_WPS */
 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
 		     int old_vlanid);
 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
diff --git a/src/ap/tkip_countermeasures.c b/src/ap/tkip_countermeasures.c
index 60088ee..dd5aa68 100644
--- a/src/ap/tkip_countermeasures.c
+++ b/src/ap/tkip_countermeasures.c
@@ -1,6 +1,6 @@
 /*
  * hostapd / TKIP countermeasures
- * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi>
+ * 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.
@@ -11,6 +11,7 @@
 #include "utils/common.h"
 #include "utils/eloop.h"
 #include "common/ieee802_11_defs.h"
+#include "radius/radius.h"
 #include "hostapd.h"
 #include "sta_info.h"
 #include "ap_mlme.h"
@@ -44,12 +45,17 @@
 	eloop_cancel_timeout(ieee80211_tkip_countermeasures_stop, hapd, NULL);
 	eloop_register_timeout(60, 0, ieee80211_tkip_countermeasures_stop,
 			       hapd, NULL);
-	for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
+	while ((sta = hapd->sta_list)) {
+		sta->acct_terminate_cause =
+			RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET;
+		if (sta->flags & WLAN_STA_AUTH) {
+			mlme_deauthenticate_indication(
+				hapd, sta,
+				WLAN_REASON_MICHAEL_MIC_FAILURE);
+		}
 		hostapd_drv_sta_deauth(hapd, sta->addr,
 				       WLAN_REASON_MICHAEL_MIC_FAILURE);
-		ap_sta_set_authorized(hapd, sta, 0);
-		sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
-		hostapd_drv_sta_remove(hapd, sta->addr);
+		ap_free_sta(hapd, sta);
 	}
 }
 
diff --git a/src/ap/utils.c b/src/ap/utils.c
index 36c1182..3e9fc08 100644
--- a/src/ap/utils.c
+++ b/src/ap/utils.c
@@ -17,7 +17,8 @@
 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
 				 int (*cb)(void *ctx, const u8 *sa,
 					   const u8 *da, const u8 *bssid,
-					   const u8 *ie, size_t ie_len),
+					   const u8 *ie, size_t ie_len,
+					   int ssi_signal),
 				 void *ctx)
 {
 	struct hostapd_probereq_cb *n;
diff --git a/src/ap/wpa_auth.c b/src/ap/wpa_auth.c
index d1b9b4d..1d942a4 100644
--- a/src/ap/wpa_auth.c
+++ b/src/ap/wpa_auth.c
@@ -1641,10 +1641,23 @@
 
 	wpa_group_ensure_init(sm->wpa_auth, sm->group);
 
-	os_memcpy(sm->ANonce, sm->group->Counter, WPA_NONCE_LEN);
+	/*
+	 * Definition of ANonce selection in IEEE Std 802.11i-2004 is somewhat
+	 * ambiguous. The Authenticator state machine uses a counter that is
+	 * incremented by one for each 4-way handshake. However, the security
+	 * analysis of 4-way handshake points out that unpredictable nonces
+	 * help in preventing precomputation attacks. Instead of the state
+	 * machine definition, use an unpredictable nonce value here to provide
+	 * stronger protection against potential precomputation attacks.
+	 */
+	if (random_get_bytes(sm->ANonce, WPA_NONCE_LEN)) {
+		wpa_printf(MSG_ERROR, "WPA: Failed to get random data for "
+			   "ANonce.");
+		wpa_sta_disconnect(sm->wpa_auth, sm->addr);
+		return;
+	}
 	wpa_hexdump(MSG_DEBUG, "WPA: Assign ANonce", sm->ANonce,
 		    WPA_NONCE_LEN);
-	inc_byte_array(sm->group->Counter, WPA_NONCE_LEN);
 	sm->ReAuthenticationRequest = FALSE;
 	/* IEEE 802.11i does not clear TimeoutCtr here, but this is more
 	 * logical place than INITIALIZE since AUTHENTICATION2 can be
diff --git a/src/ap/wps_hostapd.c b/src/ap/wps_hostapd.c
index 8999217..07ce06c 100644
--- a/src/ap/wps_hostapd.c
+++ b/src/ap/wps_hostapd.c
@@ -1,6 +1,6 @@
 /*
  * hostapd / WPS integration
- * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -12,6 +12,8 @@
 #include "utils/eloop.h"
 #include "utils/uuid.h"
 #include "crypto/dh_groups.h"
+#include "crypto/dh_group5.h"
+#include "crypto/random.h"
 #include "common/wpa_ctrl.h"
 #include "common/ieee802_11_defs.h"
 #include "common/ieee802_11_common.h"
@@ -20,6 +22,7 @@
 #include "wps/wps.h"
 #include "wps/wps_defs.h"
 #include "wps/wps_dev_attr.h"
+#include "wps/wps_attr_parse.h"
 #include "hostapd.h"
 #include "ap_config.h"
 #include "ap_drv_ops.h"
@@ -37,7 +40,8 @@
 
 static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
 				    const u8 *bssid,
-				    const u8 *ie, size_t ie_len);
+				    const u8 *ie, size_t ie_len,
+				    int ssi_signal);
 static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
 
 
@@ -183,19 +187,23 @@
 struct wps_stop_reg_data {
 	struct hostapd_data *current_hapd;
 	const u8 *uuid_e;
+	const u8 *dev_pw;
+	size_t dev_pw_len;
 };
 
 static int wps_stop_registrar(struct hostapd_data *hapd, void *ctx)
 {
 	struct wps_stop_reg_data *data = ctx;
 	if (hapd != data->current_hapd && hapd->wps != NULL)
-		wps_registrar_complete(hapd->wps->registrar, data->uuid_e);
+		wps_registrar_complete(hapd->wps->registrar, data->uuid_e,
+				       data->dev_pw, data->dev_pw_len);
 	return 0;
 }
 
 
 static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
-				       const u8 *uuid_e)
+				       const u8 *uuid_e, const u8 *dev_pw,
+				       size_t dev_pw_len)
 {
 	struct hostapd_data *hapd = ctx;
 	char uuid[40];
@@ -209,6 +217,8 @@
 					 mac_addr, uuid_e);
 	data.current_hapd = hapd;
 	data.uuid_e = uuid_e;
+	data.dev_pw = dev_pw;
+	data.dev_pw_len = dev_pw_len;
 	hostapd_wps_for_each(hapd, wps_stop_registrar, &data);
 }
 
@@ -984,6 +994,20 @@
 }
 
 
+static void hostapd_wps_nfc_clear(struct wps_context *wps)
+{
+#ifdef CONFIG_WPS_NFC
+	wps->ap_nfc_dev_pw_id = 0;
+	wpabuf_free(wps->ap_nfc_dh_pubkey);
+	wps->ap_nfc_dh_pubkey = NULL;
+	wpabuf_free(wps->ap_nfc_dh_privkey);
+	wps->ap_nfc_dh_privkey = NULL;
+	wpabuf_free(wps->ap_nfc_dev_pw);
+	wps->ap_nfc_dev_pw = NULL;
+#endif /* CONFIG_WPS_NFC */
+}
+
+
 void hostapd_deinit_wps(struct hostapd_data *hapd)
 {
 	eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
@@ -1001,6 +1025,7 @@
 	wpabuf_free(hapd->wps->oob_conf.pubkey_hash);
 	wpabuf_free(hapd->wps->oob_conf.dev_password);
 	wps_free_pending_msgs(hapd->wps->upnp_msgs);
+	hostapd_wps_nfc_clear(hapd->wps);
 	os_free(hapd->wps);
 	hapd->wps = NULL;
 	hostapd_wps_clear_ies(hapd);
@@ -1098,6 +1123,24 @@
 }
 
 
+static int wps_cancel(struct hostapd_data *hapd, void *ctx)
+{
+	if (hapd->wps == NULL)
+		return 0;
+
+	wps_registrar_wps_cancel(hapd->wps->registrar);
+	ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL);
+
+	return 0;
+}
+
+
+int hostapd_wps_cancel(struct hostapd_data *hapd)
+{
+	return hostapd_wps_for_each(hapd, wps_cancel, NULL);
+}
+
+
 #ifdef CONFIG_WPS_OOB
 int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
 			  char *path, char *method, char *name)
@@ -1154,7 +1197,8 @@
 
 static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
 				    const u8 *bssid,
-				    const u8 *ie, size_t ie_len)
+				    const u8 *ie, size_t ie_len,
+				    int ssi_signal)
 {
 	struct hostapd_data *hapd = ctx;
 	struct wpabuf *wps_ie;
@@ -1471,3 +1515,156 @@
 
 	return wps_registrar_config_ap(hapd->wps->registrar, &cred);
 }
+
+
+#ifdef CONFIG_WPS_NFC
+
+struct wps_nfc_password_token_data {
+	const u8 *oob_dev_pw;
+	size_t oob_dev_pw_len;
+	int added;
+};
+
+
+static int wps_add_nfc_password_token(struct hostapd_data *hapd, void *ctx)
+{
+	struct wps_nfc_password_token_data *data = ctx;
+	int ret;
+
+	if (hapd->wps == NULL)
+		return 0;
+	ret = wps_registrar_add_nfc_password_token(hapd->wps->registrar,
+						   data->oob_dev_pw,
+						   data->oob_dev_pw_len);
+	if (ret == 0)
+		data->added++;
+	return ret;
+}
+
+
+static int hostapd_wps_add_nfc_password_token(struct hostapd_data *hapd,
+					      struct wps_parse_attr *attr)
+{
+	struct wps_nfc_password_token_data data;
+
+	data.oob_dev_pw = attr->oob_dev_password;
+	data.oob_dev_pw_len = attr->oob_dev_password_len;
+	data.added = 0;
+	if (hostapd_wps_for_each(hapd, wps_add_nfc_password_token, &data) < 0)
+		return -1;
+	return data.added ? 0 : -1;
+}
+
+
+static int hostapd_wps_nfc_tag_process(struct hostapd_data *hapd,
+				       const struct wpabuf *wps)
+{
+	struct wps_parse_attr attr;
+
+	wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
+
+	if (wps_parse_msg(wps, &attr)) {
+		wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
+		return -1;
+	}
+
+	if (attr.oob_dev_password)
+		return hostapd_wps_add_nfc_password_token(hapd, &attr);
+
+	wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
+	return -1;
+}
+
+
+int hostapd_wps_nfc_tag_read(struct hostapd_data *hapd,
+			     const struct wpabuf *data)
+{
+	const struct wpabuf *wps = data;
+	struct wpabuf *tmp = NULL;
+	int ret;
+
+	if (wpabuf_len(data) < 4)
+		return -1;
+
+	if (*wpabuf_head_u8(data) != 0x10) {
+		/* Assume this contains full NDEF record */
+		tmp = ndef_parse_wifi(data);
+		if (tmp == NULL) {
+			wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
+			return -1;
+		}
+		wps = tmp;
+	}
+
+	ret = hostapd_wps_nfc_tag_process(hapd, wps);
+	wpabuf_free(tmp);
+	return ret;
+}
+
+
+struct wpabuf * hostapd_wps_nfc_config_token(struct hostapd_data *hapd,
+					     int ndef)
+{
+	struct wpabuf *ret;
+
+	if (hapd->wps == NULL)
+		return NULL;
+
+	ret = wps_get_oob_cred(hapd->wps);
+	if (ndef && ret) {
+		struct wpabuf *tmp;
+		tmp = ndef_build_wifi(ret);
+		wpabuf_free(ret);
+		if (tmp == NULL)
+			return NULL;
+		ret = tmp;
+	}
+
+	return ret;
+}
+
+
+struct wpabuf * hostapd_wps_nfc_token_gen(struct hostapd_data *hapd, int ndef)
+{
+	return wps_nfc_token_gen(ndef, &hapd->conf->wps_nfc_dev_pw_id,
+				 &hapd->conf->wps_nfc_dh_pubkey,
+				 &hapd->conf->wps_nfc_dh_privkey,
+				 &hapd->conf->wps_nfc_dev_pw);
+}
+
+
+int hostapd_wps_nfc_token_enable(struct hostapd_data *hapd)
+{
+	struct wps_context *wps = hapd->wps;
+
+	if (wps == NULL)
+		return -1;
+
+	if (!hapd->conf->wps_nfc_dh_pubkey ||
+	    !hapd->conf->wps_nfc_dh_privkey ||
+	    !hapd->conf->wps_nfc_dev_pw ||
+	    !hapd->conf->wps_nfc_dev_pw_id)
+		return -1;
+
+	hostapd_wps_nfc_clear(wps);
+	wps->ap_nfc_dev_pw_id = hapd->conf->wps_nfc_dev_pw_id;
+	wps->ap_nfc_dh_pubkey = wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
+	wps->ap_nfc_dh_privkey = wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
+	wps->ap_nfc_dev_pw = wpabuf_dup(hapd->conf->wps_nfc_dev_pw);
+
+	if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey ||
+	    !wps->ap_nfc_dev_pw) {
+		hostapd_wps_nfc_clear(wps);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+void hostapd_wps_nfc_token_disable(struct hostapd_data *hapd)
+{
+	hostapd_wps_nfc_clear(hapd->wps);
+}
+
+#endif /* CONFIG_WPS_NFC */
diff --git a/src/ap/wps_hostapd.h b/src/ap/wps_hostapd.h
index 9194225..f968e15 100644
--- a/src/ap/wps_hostapd.h
+++ b/src/ap/wps_hostapd.h
@@ -1,6 +1,6 @@
 /*
  * hostapd / WPS integration
- * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -20,6 +20,7 @@
 			const char *uuid, const char *pin, int timeout);
 int hostapd_wps_button_pushed(struct hostapd_data *hapd,
 			      const u8 *p2p_dev_addr);
+int hostapd_wps_cancel(struct hostapd_data *hapd);
 int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
 			  char *path, char *method, char *name);
 int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
@@ -32,6 +33,13 @@
 void hostapd_wps_update_ie(struct hostapd_data *hapd);
 int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid,
 			  const char *auth, const char *encr, const char *key);
+int hostapd_wps_nfc_tag_read(struct hostapd_data *hapd,
+			     const struct wpabuf *data);
+struct wpabuf * hostapd_wps_nfc_config_token(struct hostapd_data *hapd,
+					     int ndef);
+struct wpabuf * hostapd_wps_nfc_token_gen(struct hostapd_data *hapd, int ndef);
+int hostapd_wps_nfc_token_enable(struct hostapd_data *hapd);
+void hostapd_wps_nfc_token_disable(struct hostapd_data *hapd);
 
 #else /* CONFIG_WPS */
 
@@ -67,6 +75,11 @@
 	return 0;
 }
 
+static inline int hostapd_wps_cancel(struct hostapd_data *hapd)
+{
+	return 0;
+}
+
 #endif /* CONFIG_WPS */
 
 #endif /* WPS_HOSTAPD_H */