diff --git a/src/ap/gas_serv.c b/src/ap/gas_serv.c
index 4bcdf6f..b9d6176 100644
--- a/src/ap/gas_serv.c
+++ b/src/ap/gas_serv.c
@@ -101,6 +101,7 @@
 		if (sta->gas_dialog[i].dialog_token != dialog_token ||
 		    !sta->gas_dialog[i].valid)
 			continue;
+		ap_sta_replenish_timeout(hapd, sta, 5);
 		return &sta->gas_dialog[i];
 	}
 	wpa_printf(MSG_DEBUG, "ANQP: Could not find dialog for "
diff --git a/src/drivers/driver_atheros.c b/src/drivers/driver_atheros.c
index 1afeeb2..a5a379e 100644
--- a/src/drivers/driver_atheros.c
+++ b/src/drivers/driver_atheros.c
@@ -189,13 +189,13 @@
 	    op == IEEE80211_IOCTL_FILTERFRAME)
 		do_inline = 0;
 
-	memset(&iwr, 0, sizeof(iwr));
+	os_memset(&iwr, 0, sizeof(iwr));
 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 	if (do_inline) {
 		/*
 		 * Argument data fits inline; put it there.
 		 */
-		memcpy(iwr.u.name, data, len);
+		os_memcpy(iwr.u.name, data, len);
 	} else {
 		/*
 		 * Argument data too big for inline transfer; setup a
@@ -222,10 +222,10 @@
 {
 	struct iwreq iwr;
 
-	memset(&iwr, 0, sizeof(iwr));
+	os_memset(&iwr, 0, sizeof(iwr));
 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 	iwr.u.mode = op;
-	memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
+	os_memcpy(iwr.u.name + sizeof(__u32), &arg, sizeof(arg));
 
 	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
 		wpa_printf(MSG_INFO,
@@ -244,9 +244,9 @@
 	static char buf[sizeof(MACSTR)];
 
 	if (addr != NULL)
-		snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
+		os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
 	else
-		snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
+		os_snprintf(buf, sizeof(buf), MACSTR, 0, 0, 0, 0, 0, 0);
 	return buf;
 }
 #endif /* CONFIG_NO_STDOUT_DEBUG */
@@ -422,7 +422,7 @@
 	else
 		mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
 	mlme.im_reason = 0;
-	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
 	if (ret < 0) {
 		wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
@@ -455,9 +455,9 @@
 	wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
 		   __func__, ether_sprintf(addr), key_idx);
 
-	memset(&wk, 0, sizeof(wk));
+	os_memset(&wk, 0, sizeof(wk));
 	if (addr != NULL) {
-		memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
+		os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
 		wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
 	} else {
 		wk.idk_keyix = key_idx;
@@ -538,20 +538,20 @@
 		return -3;
 	}
 
-	memset(&wk, 0, sizeof(wk));
+	os_memset(&wk, 0, sizeof(wk));
 	wk.ik_type = cipher;
 	wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
 	if (addr == NULL || is_broadcast_ether_addr(addr)) {
-		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+		os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
 		wk.ik_keyix = key_idx;
 		if (set_tx)
 			wk.ik_flags |= IEEE80211_KEY_DEFAULT;
 	} else {
-		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+		os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
 		wk.ik_keyix = IEEE80211_KEYIX_NONE;
 	}
 	wk.ik_keylen = key_len;
-	memcpy(wk.ik_keydata, key, key_len);
+	os_memcpy(wk.ik_keydata, key, key_len);
 
 	ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
 	if (ret < 0) {
@@ -575,11 +575,11 @@
 	wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
 		   __func__, ether_sprintf(addr), idx);
 
-	memset(&wk, 0, sizeof(wk));
+	os_memset(&wk, 0, sizeof(wk));
 	if (addr == NULL)
-		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+		os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
 	else
-		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+		os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
 	wk.ik_keyix = idx;
 
 	if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
@@ -600,13 +600,13 @@
 #define WPA_KEY_RSC_LEN 8
 #endif
 		u8 tmp[WPA_KEY_RSC_LEN];
-		memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+		os_memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
 		for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
 			seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
 		}
 	}
 #else /* WORDS_BIGENDIAN */
-	memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+	os_memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
 #endif /* WORDS_BIGENDIAN */
 	return 0;
 }
@@ -616,7 +616,7 @@
 atheros_flush(void *priv)
 {
 	u8 allsta[IEEE80211_ADDR_LEN];
-	memset(allsta, 0xff, IEEE80211_ADDR_LEN);
+	os_memset(allsta, 0xff, IEEE80211_ADDR_LEN);
 	return atheros_sta_deauth(priv, NULL, allsta,
 				  IEEE80211_REASON_AUTH_LEAVE);
 }
@@ -629,19 +629,19 @@
 	struct atheros_driver_data *drv = priv;
 	struct ieee80211req_sta_stats stats;
 
-	memset(data, 0, sizeof(*data));
+	os_memset(data, 0, sizeof(*data));
 
 	/*
 	 * Fetch statistics for station from the system.
 	 */
-	memset(&stats, 0, sizeof(stats));
-	memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
+	os_memset(&stats, 0, sizeof(stats));
+	os_memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
 	if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
 			 &stats, sizeof(stats))) {
 		wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
 			   MACSTR ")", __func__, MAC2STR(addr));
-		if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
-			memcpy(data, &drv->acct_data, sizeof(*data));
+		if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
+			os_memcpy(data, &drv->acct_data, sizeof(*data));
 			return 0;
 		}
 
@@ -668,7 +668,7 @@
 	wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
 
 	mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
-	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
 			   sizeof(mlme));
 	if (ret < 0) {
@@ -744,7 +744,7 @@
 
 	mlme.im_op = IEEE80211_MLME_DEAUTH;
 	mlme.im_reason = reason_code;
-	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
 	if (ret < 0) {
 		wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
@@ -768,7 +768,7 @@
 
 	mlme.im_op = IEEE80211_MLME_DISASSOC;
 	mlme.im_reason = reason_code;
-	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
 	if (ret < 0) {
 		wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
@@ -794,7 +794,7 @@
 		wpa_printf(MSG_ERROR, "Invalid QoS Map");
 		return -1;
 	} else {
-		memset(&req, 0, sizeof(struct ieee80211req_athdbg));
+		os_memset(&req, 0, sizeof(struct ieee80211req_athdbg));
 		req.cmd = IEEE80211_DBGREQ_SETQOSMAPCONF;
 		os_memset(&iwr, 0, sizeof(iwr));
 		os_strlcpy(iwr.ifr_name, drv->iface, sizeof(iwr.ifr_name));
@@ -1120,8 +1120,8 @@
 	/*
 	 * Fetch negotiated WPA/RSN parameters from the system.
 	 */
-	memset(&ie, 0, sizeof(ie));
-	memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
+	os_memset(&ie, 0, sizeof(ie));
+	os_memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
 	if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
 		/*
 		 * See ATH_WPS_IE comment in the beginning of the file for a
@@ -1171,10 +1171,10 @@
 no_ie:
 	drv_event_assoc(hapd, addr, iebuf, ielen, 0);
 
-	if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
+	if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
 		/* Cached accounting data is not valid anymore. */
-		memset(drv->acct_mac, 0, ETH_ALEN);
-		memset(&drv->acct_data, 0, sizeof(drv->acct_data));
+		os_memset(drv->acct_mac, 0, ETH_ALEN);
+		os_memset(&drv->acct_data, 0, sizeof(drv->acct_data));
 	}
 }
 
@@ -1185,10 +1185,10 @@
 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */
 	wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
 
-	if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
+	if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
 		char *pos;
 		u8 addr[ETH_ALEN];
-		pos = strstr(custom, "addr=");
+		pos = os_strstr(custom, "addr=");
 		if (pos == NULL) {
 			wpa_printf(MSG_DEBUG,
 				   "MLME-MICHAELMICFAILURE.indication "
@@ -1212,33 +1212,33 @@
 		char *key, *value;
 		u32 val;
 		key = custom;
-		while ((key = strchr(key, '\n')) != NULL) {
+		while ((key = os_strchr(key, '\n')) != NULL) {
 			key++;
-			value = strchr(key, '=');
+			value = os_strchr(key, '=');
 			if (value == NULL)
 				continue;
 			*value++ = '\0';
 			val = strtoul(value, NULL, 10);
-			if (strcmp(key, "mac") == 0)
+			if (os_strcmp(key, "mac") == 0)
 				hwaddr_aton(value, drv->acct_mac);
-			else if (strcmp(key, "rx_packets") == 0)
+			else if (os_strcmp(key, "rx_packets") == 0)
 				drv->acct_data.rx_packets = val;
-			else if (strcmp(key, "tx_packets") == 0)
+			else if (os_strcmp(key, "tx_packets") == 0)
 				drv->acct_data.tx_packets = val;
-			else if (strcmp(key, "rx_bytes") == 0)
+			else if (os_strcmp(key, "rx_bytes") == 0)
 				drv->acct_data.rx_bytes = val;
-			else if (strcmp(key, "tx_bytes") == 0)
+			else if (os_strcmp(key, "tx_bytes") == 0)
 				drv->acct_data.tx_bytes = val;
 			key = value;
 		}
 #ifdef CONFIG_WPS
-	} else if (strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
+	} else if (os_strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
 		/* Some atheros kernels send push button as a wireless event */
 		/* PROBLEM! this event is received for ALL BSSs ...
 		 * so all are enabled for WPS... ugh.
 		 */
 		wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
-	} else if (strncmp(custom, "Manage.prob_req ", 16) == 0) {
+	} else if (os_strncmp(custom, "Manage.prob_req ", 16) == 0) {
 		/*
 		 * Atheros driver uses a hack to pass Probe Request frames as a
 		 * binary data in the custom wireless event. The old way (using
@@ -1255,7 +1255,7 @@
 				    (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
 #endif /* CONFIG_WPS */
 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W)
-	} else if (strncmp(custom, "Manage.assoc_req ", 17) == 0) {
+	} else if (os_strncmp(custom, "Manage.assoc_req ", 17) == 0) {
 		/* Format: "Manage.assoc_req <frame len>" | zero padding |
 		 * frame */
 		int len = atoi(custom + 17);
@@ -1267,7 +1267,7 @@
 		}
 		atheros_raw_receive(drv, NULL,
 				    (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
-		} else if (strncmp(custom, "Manage.auth ", 12) == 0) {
+		} else if (os_strncmp(custom, "Manage.auth ", 12) == 0) {
 		/* Format: "Manage.auth <frame len>" | zero padding | frame */
 		int len = atoi(custom + 12);
 			if (len < 0 ||
@@ -1280,7 +1280,7 @@
 				    (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
 #endif /* CONFIG_IEEE80211W || CONFIG_IEEE80211R */
 #ifdef ATHEROS_USE_RAW_RECEIVE
-		} else if (strncmp(custom, "Manage.action ", 14) == 0) {
+		} else if (os_strncmp(custom, "Manage.action ", 14) == 0) {
 		/* Format: "Manage.assoc_req <frame len>" | zero padding | frame
 		 */
 		int len = atoi(custom + 14);
@@ -1395,7 +1395,7 @@
 	while ((size_t) (end - pos) >= IW_EV_LCP_LEN) {
 		/* Event data may be unaligned, so make a local, aligned copy
 		 * before processing. */
-		memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
+		os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
 		wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
 			   iwe->cmd, iwe->len);
 		if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos)
@@ -1409,10 +1409,10 @@
 			/* WE-19 removed the pointer from struct iw_point */
 			char *dpos = (char *) &iwe_buf.u.data.length;
 			int dlen = dpos - (char *) &iwe_buf;
-			memcpy(dpos, pos + IW_EV_LCP_LEN,
-			       sizeof(struct iw_event) - dlen);
+			os_memcpy(dpos, pos + IW_EV_LCP_LEN,
+				  sizeof(struct iw_event) - dlen);
 		} else {
-			memcpy(&iwe_buf, pos, sizeof(struct iw_event));
+			os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
 			custom += IW_EV_POINT_OFF;
 		}
 
@@ -1432,10 +1432,10 @@
 		case IWEVCUSTOM:
 			if (iwe->u.data.length > end - custom)
 				return;
-			buf = malloc(iwe->u.data.length + 1);
+			buf = os_malloc(iwe->u.data.length + 1);
 			if (buf == NULL)
 				return;		/* XXX */
-			memcpy(buf, custom, iwe->u.data.length);
+			os_memcpy(buf, custom, iwe->u.data.length);
 			buf[iwe->u.data.length] = '\0';
 
 			if (iwe->u.data.flags != 0) {
@@ -1446,7 +1446,7 @@
 				atheros_wireless_event_wireless_custom(
 					drv, buf, buf + iwe->u.data.length);
 			}
-			free(buf);
+			os_free(buf);
 			break;
 		}
 
@@ -1500,7 +1500,7 @@
 	if (range == NULL)
 		return -1;
 
-	memset(&iwr, 0, sizeof(iwr));
+	os_memset(&iwr, 0, sizeof(iwr));
 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 	iwr.u.data.pointer = (caddr_t) range;
 	iwr.u.data.length = buflen;
@@ -1569,7 +1569,7 @@
 	 */
 	len = data_len + sizeof(struct l2_ethhdr);
 	if (len > sizeof(buf)) {
-		bp = malloc(len);
+		bp = os_malloc(len);
 		if (bp == NULL) {
 			wpa_printf(MSG_INFO,
 				   "EAPOL frame discarded, cannot malloc temp buffer of size %lu!",
@@ -1578,17 +1578,17 @@
 		}
 	}
 	eth = (struct l2_ethhdr *) bp;
-	memcpy(eth->h_dest, addr, ETH_ALEN);
-	memcpy(eth->h_source, own_addr, ETH_ALEN);
+	os_memcpy(eth->h_dest, addr, ETH_ALEN);
+	os_memcpy(eth->h_source, own_addr, ETH_ALEN);
 	eth->h_proto = host_to_be16(ETH_P_EAPOL);
-	memcpy(eth+1, data, data_len);
+	os_memcpy(eth + 1, data, data_len);
 
 	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
 
 	status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
 
 	if (bp != buf)
-		free(bp);
+		os_free(bp);
 	return status;
 }
 
@@ -1622,9 +1622,9 @@
 			   strerror(errno));
 		goto bad;
 	}
-	memcpy(drv->iface, params->ifname, sizeof(drv->iface));
+	os_memcpy(drv->iface, params->ifname, sizeof(drv->iface));
 
-	memset(&ifr, 0, sizeof(ifr));
+	os_memset(&ifr, 0, sizeof(ifr));
 	os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
 	if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
 		wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
@@ -1658,7 +1658,7 @@
 	} else
 		drv->sock_recv = drv->sock_xmit;
 
-	memset(&iwr, 0, sizeof(iwr));
+	os_memset(&iwr, 0, sizeof(iwr));
 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 
 	iwr.u.mode = IW_MODE_MASTER;
@@ -1728,7 +1728,7 @@
 	struct atheros_driver_data *drv = priv;
 	struct iwreq iwr;
 
-	memset(&iwr, 0, sizeof(iwr));
+	os_memset(&iwr, 0, sizeof(iwr));
 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 	iwr.u.essid.flags = 1; /* SSID active */
 	iwr.u.essid.pointer = (caddr_t) buf;
@@ -1749,7 +1749,7 @@
 	struct iwreq iwr;
 	int ret = 0;
 
-	memset(&iwr, 0, sizeof(iwr));
+	os_memset(&iwr, 0, sizeof(iwr));
 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 	iwr.u.essid.pointer = (caddr_t) buf;
 	iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ?
@@ -1860,7 +1860,7 @@
 	wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__,
 		   (unsigned long) data_len, MAC2STR(mgmt->da));
 	mgmt_frm = (struct ieee80211req_mgmtbuf *) buf;
-	memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN);
+	os_memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN);
 	mgmt_frm->buflen = data_len;
 	if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) {
 		wpa_printf(MSG_INFO, "atheros: Too long frame for "
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 0fd836b..ed5e4a8 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -1520,11 +1520,16 @@
 
 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
 {
+	struct wpa_driver_nl80211_data *drv = ctx;
+
 	wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
+
 	/*
-	 * This may be for any interface; use ifdown event to disable
-	 * interface.
+	 * rtnetlink ifdown handler will report interfaces other than the P2P
+	 * Device interface as disabled.
 	 */
+	if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
 }
 
 
@@ -1541,7 +1546,12 @@
 	if (is_p2p_net_interface(drv->nlmode))
 		nl80211_disable_11b_rates(drv, drv->ifindex, 1);
 
-	/* rtnetlink ifup handler will report interface as enabled */
+	/*
+	 * rtnetlink ifup handler will report interfaces other than the P2P
+	 * Device interface as enabled.
+	 */
+	if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
 }
 
 
@@ -1626,13 +1636,65 @@
 }
 
 
+static void
+wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
+{
+	struct rfkill_config *rcfg;
+
+	if (drv->rfkill)
+		return;
+
+	rcfg = os_zalloc(sizeof(*rcfg));
+	if (!rcfg)
+		return;
+
+	rcfg->ctx = drv;
+
+	/* rfkill uses netdev sysfs for initialization. However, P2P Device is
+	 * not associated with a netdev, so use the name of some other interface
+	 * sharing the same wiphy as the P2P Device interface.
+	 *
+	 * Note: This is valid, as a P2P Device interface is always dynamically
+	 * created and is created only once another wpa_s interface was added.
+	 */
+	if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
+		struct nl80211_global *global = drv->global;
+		struct wpa_driver_nl80211_data *tmp1;
+
+		dl_list_for_each(tmp1, &global->interfaces,
+				 struct wpa_driver_nl80211_data, list) {
+			if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
+			    !tmp1->rfkill)
+				continue;
+
+			wpa_printf(MSG_DEBUG,
+				   "nl80211: Use (%s) to initialize P2P Device rfkill",
+				   tmp1->first_bss->ifname);
+			os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
+				   sizeof(rcfg->ifname));
+			break;
+		}
+	} else {
+		os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
+			   sizeof(rcfg->ifname));
+	}
+
+	rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
+	rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
+	drv->rfkill = rfkill_init(rcfg);
+	if (!drv->rfkill) {
+		wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
+		os_free(rcfg);
+	}
+}
+
+
 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
 					  void *global_priv, int hostapd,
 					  const u8 *set_addr,
 					  const char *driver_params)
 {
 	struct wpa_driver_nl80211_data *drv;
-	struct rfkill_config *rcfg;
 	struct i802_bss *bss;
 
 	if (global_priv == NULL)
@@ -1673,19 +1735,6 @@
 	if (nl80211_init_bss(bss))
 		goto failed;
 
-	rcfg = os_zalloc(sizeof(*rcfg));
-	if (rcfg == NULL)
-		goto failed;
-	rcfg->ctx = drv;
-	os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
-	rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
-	rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
-	drv->rfkill = rfkill_init(rcfg);
-	if (drv->rfkill == NULL) {
-		wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
-		os_free(rcfg);
-	}
-
 	if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
 		drv->start_iface_up = 1;
 
@@ -2224,6 +2273,8 @@
 	if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
 		nl80211_get_macaddr(bss);
 
+	wpa_driver_nl80211_drv_init_rfkill(drv);
+
 	if (!rfkill_is_blocked(drv->rfkill)) {
 		int ret = i802_set_iface_flags(bss, 1);
 		if (ret) {
@@ -2241,20 +2292,22 @@
 	} else {
 		wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
 			   "interface '%s' due to rfkill", bss->ifname);
-		if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
-			return 0;
-		drv->if_disabled = 1;
+		if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
+			drv->if_disabled = 1;
+
 		send_rfkill_event = 1;
 	}
 
-	if (!drv->hostapd)
+	if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
 		netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
 				       1, IF_OPER_DORMANT);
 
-	if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
-			       bss->addr))
-		return -1;
-	os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
+	if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
+		if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
+				       bss->addr))
+			return -1;
+		os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
+	}
 
 	if (send_rfkill_event) {
 		eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
diff --git a/src/drivers/driver_nl80211.h b/src/drivers/driver_nl80211.h
index 21c0b6d..09e03b3 100644
--- a/src/drivers/driver_nl80211.h
+++ b/src/drivers/driver_nl80211.h
@@ -84,6 +84,7 @@
 	struct dl_list list;
 	struct dl_list wiphy_list;
 	char phyname[32];
+	unsigned int wiphy_idx;
 	u8 perm_addr[ETH_ALEN];
 	void *ctx;
 	int ifindex;
diff --git a/src/drivers/driver_nl80211_capa.c b/src/drivers/driver_nl80211_capa.c
index c74ed5f..8c3ba49 100644
--- a/src/drivers/driver_nl80211_capa.c
+++ b/src/drivers/driver_nl80211_capa.c
@@ -487,6 +487,9 @@
 	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
 		  genlmsg_attrlen(gnlh, 0), NULL);
 
+	if (tb[NL80211_ATTR_WIPHY])
+		drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
+
 	if (tb[NL80211_ATTR_WIPHY_NAME])
 		os_strlcpy(drv->phyname,
 			   nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
diff --git a/src/drivers/rfkill.c b/src/drivers/rfkill.c
index 45b26c4..464cf78 100644
--- a/src/drivers/rfkill.c
+++ b/src/drivers/rfkill.c
@@ -8,6 +8,7 @@
 
 #include "includes.h"
 #include <fcntl.h>
+#include <limits.h>
 
 #include "utils/common.h"
 #include "utils/eloop.h"
@@ -47,6 +48,7 @@
 	struct rfkill_config *cfg;
 	int fd;
 	int blocked;
+	uint32_t idx;
 };
 
 
@@ -69,12 +71,13 @@
 			   (int) len, RFKILL_EVENT_SIZE_V1);
 		return;
 	}
+	if (event.op != RFKILL_OP_CHANGE || event.idx != rfkill->idx)
+		return;
+
 	wpa_printf(MSG_DEBUG, "rfkill: event: idx=%u type=%d "
 		   "op=%u soft=%u hard=%u",
 		   event.idx, event.type, event.op, event.soft,
 		   event.hard);
-	if (event.op != RFKILL_OP_CHANGE || event.type != RFKILL_TYPE_WLAN)
-		return;
 
 	if (event.hard) {
 		wpa_printf(MSG_INFO, "rfkill: WLAN hard blocked");
@@ -102,11 +105,23 @@
 	struct rfkill_data *rfkill;
 	struct rfkill_event event;
 	ssize_t len;
+	char *phy = NULL, *rfk_phy;
+	char buf[24 + IFNAMSIZ + 1];
+	char buf2[31 + 11 + 1];
+	int found = 0;
 
 	rfkill = os_zalloc(sizeof(*rfkill));
 	if (rfkill == NULL)
 		return NULL;
 
+	os_snprintf(buf, sizeof(buf), "/sys/class/net/%s/phy80211",
+		    cfg->ifname);
+	phy = realpath(buf, NULL);
+	if (!phy) {
+		wpa_printf(MSG_INFO, "rfkill: Cannot get wiphy information");
+		goto fail;
+	}
+
 	rfkill->cfg = cfg;
 	rfkill->fd = open("/dev/rfkill", O_RDONLY);
 	if (rfkill->fd < 0) {
@@ -136,13 +151,27 @@
 				   (int) len, RFKILL_EVENT_SIZE_V1);
 			continue;
 		}
+		if (event.op != RFKILL_OP_ADD ||
+		    event.type != RFKILL_TYPE_WLAN)
+			continue;
+
+		os_snprintf(buf2, sizeof(buf2),
+			    "/sys/class/rfkill/rfkill%d/device", event.idx);
+		rfk_phy = realpath(buf2, NULL);
+		if (!rfk_phy)
+			goto fail2;
+		found = os_strcmp(phy, rfk_phy) == 0;
+		free(rfk_phy);
+
+		if (!found)
+			continue;
+
 		wpa_printf(MSG_DEBUG, "rfkill: initial event: idx=%u type=%d "
 			   "op=%u soft=%u hard=%u",
 			   event.idx, event.type, event.op, event.soft,
 			   event.hard);
-		if (event.op != RFKILL_OP_ADD ||
-		    event.type != RFKILL_TYPE_WLAN)
-			continue;
+
+		rfkill->idx = event.idx;
 		if (event.hard) {
 			wpa_printf(MSG_INFO, "rfkill: WLAN hard blocked");
 			rfkill->blocked = 1;
@@ -150,8 +179,12 @@
 			wpa_printf(MSG_INFO, "rfkill: WLAN soft blocked");
 			rfkill->blocked = 1;
 		}
+		break;
 	}
 
+	if (!found)
+		goto fail2;
+
 	eloop_register_read_sock(rfkill->fd, rfkill_receive, rfkill, NULL);
 
 	return rfkill;
@@ -160,6 +193,8 @@
 	close(rfkill->fd);
 fail:
 	os_free(rfkill);
+	/* use standard free function to match realpath() */
+	free(phy);
 	return NULL;
 }
 
diff --git a/src/eap_peer/eap_peap.c b/src/eap_peer/eap_peap.c
index 0596098..503d4b0 100644
--- a/src/eap_peer/eap_peap.c
+++ b/src/eap_peer/eap_peap.c
@@ -70,8 +70,8 @@
 };
 
 
-static int eap_peap_parse_phase1(struct eap_peap_data *data,
-				 const char *phase1)
+static void eap_peap_parse_phase1(struct eap_peap_data *data,
+				  const char *phase1)
 {
 	const char *pos;
 
@@ -126,8 +126,6 @@
 		wpa_printf(MSG_DEBUG, "EAP-PEAP: SoH version 2 enabled");
 	}
 #endif /* EAP_TNC */
-
-	return 0;
 }
 
 
@@ -145,11 +143,8 @@
 	data->peap_outer_success = 2;
 	data->crypto_binding = OPTIONAL_BINDING;
 
-	if (config && config->phase1 &&
-	    eap_peap_parse_phase1(data, config->phase1) < 0) {
-		eap_peap_deinit(sm, data);
-		return NULL;
-	}
+	if (config && config->phase1)
+		eap_peap_parse_phase1(data, config->phase1);
 
 	if (eap_peer_select_phase2_methods(config, "auth=",
 					   &data->phase2_types,
@@ -339,7 +334,8 @@
 		    addr[0], len[0]);
 	wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 2",
 		    addr[1], len[1]);
-	hmac_sha1_vector(data->cmk, 20, 2, addr, len, mac);
+	if (hmac_sha1_vector(data->cmk, 20, 2, addr, len, mac) < 0)
+		return -1;
 	wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC", mac, SHA1_MAC_LEN);
 	data->crypto_binding_used = 1;
 
@@ -650,6 +646,7 @@
 					if (*resp == NULL) {
 						ret->methodState = METHOD_DONE;
 						ret->decision = DECISION_FAIL;
+						wpabuf_free(buf);
 						return -1;
 					}
 					wpabuf_put_buf(*resp, buf);
diff --git a/src/eap_peer/eap_tls_common.c b/src/eap_peer/eap_tls_common.c
index 4b994fd..c270832 100644
--- a/src/eap_peer/eap_tls_common.c
+++ b/src/eap_peer/eap_tls_common.c
@@ -356,10 +356,8 @@
 	struct tls_random keys;
 	u8 *out;
 
-	if (tls_connection_get_random(sm->ssl_ctx, data->conn, &keys))
-		return NULL;
-
-	if (keys.client_random == NULL || keys.server_random == NULL)
+	if (tls_connection_get_random(sm->ssl_ctx, data->conn, &keys) ||
+	    keys.client_random == NULL || keys.server_random == NULL)
 		return NULL;
 
 	*len = 1 + keys.client_random_len + keys.server_random_len;
@@ -1041,6 +1039,9 @@
 		if (vendor == EAP_VENDOR_IETF && method == EAP_TYPE_NONE) {
 			wpa_printf(MSG_ERROR, "TLS: Unsupported Phase2 EAP "
 				   "method '%s'", start);
+			os_free(methods);
+			os_free(buf);
+			return -1;
 		} else {
 			num_methods++;
 			_methods = os_realloc_array(methods, num_methods,
diff --git a/src/eap_peer/eap_ttls.c b/src/eap_peer/eap_ttls.c
index 9741ded..a4b2697 100644
--- a/src/eap_peer/eap_ttls.c
+++ b/src/eap_peer/eap_ttls.c
@@ -71,6 +71,7 @@
 {
 	struct eap_ttls_data *data;
 	struct eap_peer_config *config = eap_get_config(sm);
+	int selected_non_eap;
 	char *selected;
 
 	data = os_zalloc(sizeof(*data));
@@ -78,26 +79,67 @@
 		return NULL;
 	data->ttls_version = EAP_TTLS_VERSION;
 	selected = "EAP";
+	selected_non_eap = 0;
 	data->phase2_type = EAP_TTLS_PHASE2_EAP;
 
+	/*
+	 * Either one auth= type or one or more autheap= methods can be
+	 * specified.
+	 */
 	if (config && config->phase2) {
+		const char *token, *last = NULL;
+
+		while ((token = cstr_token(config->phase2, " \t", &last))) {
+			if (os_strncmp(token, "auth=", 5) != 0)
+				continue;
+			token += 5;
+
+			if (last - token == 8 &&
+			    os_strncmp(token, "MSCHAPV2", 8) == 0) {
+				selected = "MSCHAPV2";
+				data->phase2_type = EAP_TTLS_PHASE2_MSCHAPV2;
+			} else if (last - token == 6 &&
+				   os_strncmp(token, "MSCHAP", 6) == 0) {
+				selected = "MSCHAP";
+				data->phase2_type = EAP_TTLS_PHASE2_MSCHAP;
+			} else if (last - token == 3 &&
+				   os_strncmp(token, "PAP", 3) == 0) {
+				selected = "PAP";
+				data->phase2_type = EAP_TTLS_PHASE2_PAP;
+			} else if (last - token == 4 &&
+				   os_strncmp(token, "CHAP", 4) == 0) {
+				selected = "CHAP";
+				data->phase2_type = EAP_TTLS_PHASE2_CHAP;
+			} else {
+				wpa_printf(MSG_ERROR,
+					   "EAP-TTLS: Unsupported Phase2 type '%s'",
+					   token);
+				eap_ttls_deinit(sm, data);
+				return NULL;
+			}
+
+			if (selected_non_eap) {
+				wpa_printf(MSG_ERROR,
+					   "EAP-TTLS: Only one Phase2 type can be specified");
+				eap_ttls_deinit(sm, data);
+				return NULL;
+			}
+
+			selected_non_eap = 1;
+		}
+
 		if (os_strstr(config->phase2, "autheap=")) {
+			if (selected_non_eap) {
+				wpa_printf(MSG_ERROR,
+					   "EAP-TTLS: Both auth= and autheap= params cannot be specified");
+				eap_ttls_deinit(sm, data);
+				return NULL;
+			}
 			selected = "EAP";
 			data->phase2_type = EAP_TTLS_PHASE2_EAP;
-		} else if (os_strstr(config->phase2, "auth=MSCHAPV2")) {
-			selected = "MSCHAPV2";
-			data->phase2_type = EAP_TTLS_PHASE2_MSCHAPV2;
-		} else if (os_strstr(config->phase2, "auth=MSCHAP")) {
-			selected = "MSCHAP";
-			data->phase2_type = EAP_TTLS_PHASE2_MSCHAP;
-		} else if (os_strstr(config->phase2, "auth=PAP")) {
-			selected = "PAP";
-			data->phase2_type = EAP_TTLS_PHASE2_PAP;
-		} else if (os_strstr(config->phase2, "auth=CHAP")) {
-			selected = "CHAP";
-			data->phase2_type = EAP_TTLS_PHASE2_CHAP;
 		}
 	}
+
 	wpa_printf(MSG_DEBUG, "EAP-TTLS: Phase2 type: %s", selected);
 
 	if (data->phase2_type == EAP_TTLS_PHASE2_EAP) {
diff --git a/src/eap_server/eap_server_peap.c b/src/eap_server/eap_server_peap.c
index 51062b0..d424862 100644
--- a/src/eap_server/eap_server_peap.c
+++ b/src/eap_server/eap_server_peap.c
@@ -335,6 +335,18 @@
 		return -1;
 	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TK", tk, 60);
 
+	if (tls_connection_resumed(sm->ssl_ctx, data->ssl.conn)) {
+		/* Fast-connect: IPMK|CMK = TK */
+		os_memcpy(data->ipmk, tk, 40);
+		wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IPMK from TK",
+				data->ipmk, 40);
+		os_memcpy(data->cmk, tk + 40, 20);
+		wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK from TK",
+				data->cmk, 20);
+		os_free(tk);
+		return 0;
+	}
+
 	eap_peap_get_isk(data, isk, sizeof(isk));
 	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: ISK", isk, sizeof(isk));
 
@@ -357,7 +369,6 @@
 
 	os_free(tk);
 
-	/* TODO: fast-connect: IPMK|CMK = TK */
 	os_memcpy(data->ipmk, imck, 40);
 	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IPMK (S-IPMKj)", data->ipmk, 40);
 	os_memcpy(data->cmk, imck + 40, 20);
@@ -1267,8 +1278,9 @@
 
 	wpa_printf(MSG_DEBUG,
 		   "EAP-PEAP: Resuming previous session - skip Phase2");
-	eap_peap_state(data, SUCCESS_REQ);
-	tls_connection_set_success_data_resumed(data->ssl.conn);
+	eap_peap_req_success(sm, data);
+	if (data->state == SUCCESS_REQ)
+		tls_connection_set_success_data_resumed(data->ssl.conn);
 }
 
 
diff --git a/src/rsn_supp/tdls.c b/src/rsn_supp/tdls.c
index 48752d7..86e509e 100644
--- a/src/rsn_supp/tdls.c
+++ b/src/rsn_supp/tdls.c
@@ -2176,6 +2176,14 @@
 			   "ignore TPK M2 from " MACSTR, MAC2STR(src_addr));
 		return -1;
 	}
+
+	if (peer->tpk_success) {
+		wpa_printf(MSG_INFO, "TDLS: Ignore incoming TPK M2 retry, from "
+			   MACSTR " as TPK M3 was already sent",
+			   MAC2STR(src_addr));
+		return 0;
+	}
+
 	wpa_tdls_tpk_retry_timeout_cancel(sm, peer, WLAN_TDLS_SETUP_REQUEST);
 
 	if (len < 3 + 2 + 1) {
diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c
index 9bde3c8..669f658 100644
--- a/src/rsn_supp/wpa.c
+++ b/src/rsn_supp/wpa.c
@@ -1670,14 +1670,14 @@
 		}
 		if (aes_unwrap(sm->ptk.kek, sm->ptk.kek_len, *key_data_len / 8,
 			       key_data, buf)) {
-			os_free(buf);
+			bin_clear_free(buf, *key_data_len);
 			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
 				"WPA: AES unwrap failed - "
 				"could not decrypt EAPOL-Key key data");
 			return -1;
 		}
 		os_memcpy(key_data, buf, *key_data_len);
-		os_free(buf);
+		bin_clear_free(buf, *key_data_len);
 		WPA_PUT_BE16(key->key_data_length, *key_data_len);
 	} else {
 		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
diff --git a/src/tls/tlsv1_client_ocsp.c b/src/tls/tlsv1_client_ocsp.c
index bcc7a86..2d5cdb9 100644
--- a/src/tls/tlsv1_client_ocsp.c
+++ b/src/tls/tlsv1_client_ocsp.c
@@ -10,7 +10,9 @@
 
 #include "common.h"
 #include "crypto/tls.h"
+#include "crypto/sha1.h"
 #include "asn1.h"
+#include "x509v3.h"
 #include "tlsv1_common.h"
 #include "tlsv1_record.h"
 #include "tlsv1_client.h"
@@ -45,12 +47,329 @@
 }
 
 
+static int ocsp_responder_id_match(struct x509_certificate *signer,
+				   struct x509_name *name, const u8 *key_hash)
+{
+	if (key_hash) {
+		u8 hash[SHA1_MAC_LEN];
+		const u8 *addr[1] = { signer->public_key };
+		size_t len[1] = { signer->public_key_len };
+
+		if (sha1_vector(1, addr, len, hash) < 0)
+			return 0;
+		return os_memcmp(hash, key_hash, SHA1_MAC_LEN) == 0;
+	}
+
+	return x509_name_compare(&signer->subject, name) == 0;
+}
+
+
+static unsigned int ocsp_hash_data(struct asn1_oid *alg, const u8 *data,
+				   size_t data_len, u8 *hash)
+{
+	const u8 *addr[1] = { data };
+	size_t len[1] = { data_len };
+	char buf[100];
+
+	if (x509_sha1_oid(alg)) {
+		if (sha1_vector(1, addr, len, hash) < 0)
+			return 0;
+		wpa_hexdump(MSG_MSGDUMP, "OCSP: Hash (SHA1)", hash, 20);
+		return 20;
+	}
+
+	if (x509_sha256_oid(alg)) {
+		if (sha256_vector(1, addr, len, hash) < 0)
+			return 0;
+		wpa_hexdump(MSG_MSGDUMP, "OCSP: Hash (SHA256)", hash, 32);
+		return 32;
+	}
+
+	if (x509_sha384_oid(alg)) {
+		if (sha384_vector(1, addr, len, hash) < 0)
+			return 0;
+		wpa_hexdump(MSG_MSGDUMP, "OCSP: Hash (SHA384)", hash, 48);
+		return 48;
+	}
+
+	if (x509_sha512_oid(alg)) {
+		if (sha512_vector(1, addr, len, hash) < 0)
+			return 0;
+		wpa_hexdump(MSG_MSGDUMP, "OCSP: Hash (SHA512)", hash, 64);
+		return 64;
+	}
+
+
+	asn1_oid_to_str(alg, buf, sizeof(buf));
+	wpa_printf(MSG_DEBUG, "OCSP: Could not calculate hash with alg %s",
+		   buf);
+	return 0;
+}
+
+
+static int tls_process_ocsp_single_response(struct tlsv1_client *conn,
+					    struct x509_certificate *cert,
+					    struct x509_certificate *issuer,
+					    const u8 *resp, size_t len,
+					    enum tls_ocsp_result *res)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+	struct x509_algorithm_identifier alg;
+	const u8 *name_hash, *key_hash;
+	size_t name_hash_len, key_hash_len;
+	const u8 *serial_number;
+	size_t serial_number_len;
+	u8 hash[64];
+	unsigned int hash_len;
+	unsigned int cert_status;
+	os_time_t update;
+	struct os_time now;
+
+	wpa_hexdump(MSG_MSGDUMP, "OCSP: SingleResponse", resp, len);
+
+	/*
+	 * SingleResponse ::= SEQUENCE {
+	 *    certID                       CertID,
+	 *    certStatus                   CertStatus,
+	 *    thisUpdate                   GeneralizedTime,
+	 *    nextUpdate         [0]       EXPLICIT GeneralizedTime OPTIONAL,
+	 *    singleExtensions   [1]       EXPLICIT Extensions OPTIONAL }
+	 */
+
+	/* CertID ::= SEQUENCE */
+	if (asn1_get_next(resp, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected SEQUENCE (CertID) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	pos = hdr.payload;
+	end = hdr.payload + hdr.length;
+
+	/*
+	 * CertID ::= SEQUENCE {
+	 *    hashAlgorithm           AlgorithmIdentifier,
+	 *    issuerNameHash          OCTET STRING,
+	 *    issuerKeyHash           OCTET STRING,
+	 *    serialNumber            CertificateSerialNumber }
+	 */
+
+	/* hashAlgorithm  AlgorithmIdentifier */
+	if (x509_parse_algorithm_identifier(pos, end - pos, &alg, &pos))
+		return -1;
+
+	/* issuerNameHash  OCTET STRING */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_OCTETSTRING) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected OCTET STRING (issuerNameHash) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	name_hash = hdr.payload;
+	name_hash_len = hdr.length;
+	wpa_hexdump(MSG_DEBUG, "OCSP: issuerNameHash",
+		    name_hash, name_hash_len);
+	pos = hdr.payload + hdr.length;
+
+	wpa_hexdump(MSG_DEBUG, "OCSP: Issuer subject DN",
+		    issuer->subject_dn, issuer->subject_dn_len);
+	hash_len = ocsp_hash_data(&alg.oid, issuer->subject_dn,
+				  issuer->subject_dn_len, hash);
+	if (hash_len == 0 || name_hash_len != hash_len ||
+	    os_memcmp(name_hash, hash, hash_len) != 0) {
+		wpa_printf(MSG_DEBUG, "OCSP: issuerNameHash mismatch");
+		wpa_hexdump(MSG_DEBUG, "OCSP: Calculated issuerNameHash",
+			    hash, hash_len);
+		return -1;
+	}
+
+	/* issuerKeyHash  OCTET STRING */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_OCTETSTRING) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected OCTET STRING (issuerKeyHash) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	key_hash = hdr.payload;
+	key_hash_len = hdr.length;
+	wpa_hexdump(MSG_DEBUG, "OCSP: issuerKeyHash", key_hash, key_hash_len);
+	pos = hdr.payload + hdr.length;
+
+	hash_len = ocsp_hash_data(&alg.oid, issuer->public_key,
+				  issuer->public_key_len, hash);
+	if (hash_len == 0 || key_hash_len != hash_len ||
+	    os_memcmp(key_hash, hash, hash_len) != 0) {
+		wpa_printf(MSG_DEBUG, "OCSP: issuerKeyHash mismatch");
+		wpa_hexdump(MSG_DEBUG, "OCSP: Calculated issuerKeyHash",
+			    hash, hash_len);
+		return -1;
+	}
+
+	/* serialNumber CertificateSerialNumber ::= INTEGER */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_INTEGER ||
+	    hdr.length < 1 || hdr.length > X509_MAX_SERIAL_NUM_LEN) {
+		wpa_printf(MSG_DEBUG, "OCSP: No INTEGER tag found for serialNumber; class=%d tag=0x%x length=%u",
+			   hdr.class, hdr.tag, hdr.length);
+		return -1;
+	}
+	serial_number = hdr.payload;
+	serial_number_len = hdr.length;
+	while (serial_number_len > 0 && serial_number[0] == 0) {
+		serial_number++;
+		serial_number_len--;
+	}
+	wpa_hexdump(MSG_MSGDUMP, "OCSP: serialNumber", serial_number,
+		    serial_number_len);
+
+	if (serial_number_len != cert->serial_number_len ||
+	    os_memcmp(serial_number, cert->serial_number,
+		      serial_number_len) != 0) {
+		wpa_printf(MSG_DEBUG, "OCSP: serialNumber mismatch");
+		return -1;
+	}
+
+	pos = end;
+	end = resp + len;
+
+	/* certStatus CertStatus ::= CHOICE */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_CONTEXT_SPECIFIC) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected CHOICE (CertStatus) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return -1;
+	}
+	cert_status = hdr.tag;
+	wpa_printf(MSG_DEBUG, "OCSP: certStatus=%u", cert_status);
+	wpa_hexdump(MSG_DEBUG, "OCSP: CertStatus additional data",
+		    hdr.payload, hdr.length);
+	pos = hdr.payload + hdr.length;
+
+	os_get_time(&now);
+	/* thisUpdate  GeneralizedTime */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_GENERALIZEDTIME ||
+	    x509_parse_time(hdr.payload, hdr.length, hdr.tag, &update) < 0) {
+		wpa_printf(MSG_DEBUG, "OCSP: Failed to parse thisUpdate");
+		return -1;
+	}
+	wpa_printf(MSG_DEBUG, "OCSP: thisUpdate %lu", (unsigned long) update);
+	pos = hdr.payload + hdr.length;
+	if ((unsigned long) now.sec < (unsigned long) update) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: thisUpdate time in the future (response not yet valid)");
+		return -1;
+	}
+
+	/* nextUpdate  [0]  EXPLICIT GeneralizedTime OPTIONAL */
+	if (pos < end) {
+		if (asn1_get_next(pos, end - pos, &hdr) < 0)
+			return -1;
+		if (hdr.class == ASN1_CLASS_CONTEXT_SPECIFIC && hdr.tag == 0) {
+			const u8 *next = hdr.payload + hdr.length;
+
+			if (asn1_get_next(hdr.payload, hdr.length, &hdr) < 0 ||
+			    hdr.class != ASN1_CLASS_UNIVERSAL ||
+			    hdr.tag != ASN1_TAG_GENERALIZEDTIME ||
+			    x509_parse_time(hdr.payload, hdr.length, hdr.tag,
+					    &update) < 0) {
+				wpa_printf(MSG_DEBUG,
+					   "OCSP: Failed to parse nextUpdate");
+				return -1;
+			}
+			wpa_printf(MSG_DEBUG, "OCSP: nextUpdate %lu",
+				   (unsigned long) update);
+			pos = next;
+			if ((unsigned long) now.sec > (unsigned long) update) {
+				wpa_printf(MSG_DEBUG, "OCSP: nextUpdate time in the past (response has expired)");
+				return -1;
+			}
+		}
+	}
+
+	/* singleExtensions  [1]  EXPLICIT Extensions OPTIONAL */
+	if (pos < end) {
+		wpa_hexdump(MSG_MSGDUMP, "OCSP: singleExtensions",
+			    pos, end - pos);
+		/* Ignore for now */
+	}
+
+	if (cert_status == 0 /* good */)
+		*res = TLS_OCSP_GOOD;
+	else if (cert_status == 1 /* revoked */)
+		*res = TLS_OCSP_REVOKED;
+	else
+		return -1;
+	return 0;
+}
+
+
+static enum tls_ocsp_result
+tls_process_ocsp_responses(struct tlsv1_client *conn,
+			   struct x509_certificate *issuer, const u8 *resp,
+			   size_t len)
+{
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+	enum tls_ocsp_result res;
+
+	pos = resp;
+	end = resp + len;
+	while (pos < end) {
+		/* SingleResponse ::= SEQUENCE */
+		if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_UNIVERSAL ||
+		    hdr.tag != ASN1_TAG_SEQUENCE) {
+			wpa_printf(MSG_DEBUG,
+				   "OCSP: Expected SEQUENCE (SingleResponse) - found class %d tag 0x%x",
+				   hdr.class, hdr.tag);
+			return TLS_OCSP_INVALID;
+		}
+		if (tls_process_ocsp_single_response(conn, conn->server_cert,
+						     issuer,
+						     hdr.payload, hdr.length,
+						     &res) == 0)
+			return res;
+		pos = hdr.payload + hdr.length;
+	}
+
+	wpa_printf(MSG_DEBUG,
+		   "OCSP: Did not find a response matching the server certificate");
+	return TLS_OCSP_NO_RESPONSE;
+}
+
+
 static enum tls_ocsp_result
 tls_process_basic_ocsp_response(struct tlsv1_client *conn, const u8 *resp,
 				size_t len)
 {
+	struct asn1_hdr hdr;
+	const u8 *pos, *end;
+	const u8 *resp_data, *sign_value, *key_hash = NULL, *responses;
+	const u8 *resp_data_signed;
+	size_t resp_data_len, sign_value_len, responses_len;
+	size_t resp_data_signed_len;
+	struct x509_algorithm_identifier alg;
+	struct x509_certificate *certs = NULL, *last_cert = NULL;
+	struct x509_certificate *issuer, *signer;
+	struct x509_name name; /* used if key_hash == NULL */
+	char buf[100];
+	os_time_t produced_at;
+
 	wpa_hexdump(MSG_MSGDUMP, "OCSP: BasicOCSPResponse", resp, len);
 
+	os_memset(&name, 0, sizeof(name));
+
 	/*
 	 * RFC 6960, 4.2.1:
 	 * BasicOCSPResponse       ::= SEQUENCE {
@@ -60,8 +379,293 @@
 	 *    certs            [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }
 	 */
 
-	/* TODO */
+	if (asn1_get_next(resp, len, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected SEQUENCE (BasicOCSPResponse) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return TLS_OCSP_INVALID;
+	}
+	pos = hdr.payload;
+	end = hdr.payload + hdr.length;
+
+	/* ResponseData ::= SEQUENCE */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected SEQUENCE (ResponseData) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return TLS_OCSP_INVALID;
+	}
+	resp_data = hdr.payload;
+	resp_data_len = hdr.length;
+	resp_data_signed = pos;
+	pos = hdr.payload + hdr.length;
+	resp_data_signed_len = pos - resp_data_signed;
+
+	/* signatureAlgorithm  AlgorithmIdentifier */
+	if (x509_parse_algorithm_identifier(pos, end - pos, &alg, &pos))
+		return TLS_OCSP_INVALID;
+
+	/* signature  BIT STRING */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_BITSTRING) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected BITSTRING (signature) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		return TLS_OCSP_INVALID;
+	}
+	if (hdr.length < 1)
+		return TLS_OCSP_INVALID;
+	pos = hdr.payload;
+	if (*pos) {
+		wpa_printf(MSG_DEBUG, "OCSP: BITSTRING - %d unused bits", *pos);
+		/* PKCS #1 v1.5 10.2.1:
+		 * It is an error if the length in bits of the signature S is
+		 * not a multiple of eight.
+		 */
+		return TLS_OCSP_INVALID;
+	}
+	sign_value = pos + 1;
+	sign_value_len = hdr.length - 1;
+	pos += hdr.length;
+	wpa_hexdump(MSG_MSGDUMP, "OCSP: signature", sign_value, sign_value_len);
+
+	/* certs  [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL */
+	if (pos < end) {
+		if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_CONTEXT_SPECIFIC ||
+		    hdr.tag != 0) {
+			wpa_printf(MSG_DEBUG,
+				   "OCSP: Expected [0] EXPLICIT (certs) - found class %d tag 0x%x",
+				   hdr.class, hdr.tag);
+			return TLS_OCSP_INVALID;
+		}
+		wpa_hexdump(MSG_MSGDUMP, "OCSP: certs",
+			    hdr.payload, hdr.length);
+		pos = hdr.payload;
+		end = hdr.payload + hdr.length;
+		while (pos < end) {
+			struct x509_certificate *cert;
+
+			if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+			    hdr.class != ASN1_CLASS_UNIVERSAL ||
+			    hdr.tag != ASN1_TAG_SEQUENCE) {
+				wpa_printf(MSG_DEBUG,
+					   "OCSP: Expected SEQUENCE (Certificate) - found class %d tag 0x%x",
+					   hdr.class, hdr.tag);
+				goto fail;
+			}
+
+			cert = x509_certificate_parse(hdr.payload, hdr.length);
+			if (!cert)
+				goto fail;
+			if (last_cert) {
+				last_cert->next = cert;
+				last_cert = cert;
+			} else {
+				last_cert = certs = cert;
+			}
+			pos = hdr.payload + hdr.length;
+		}
+	}
+
+	/*
+	 * ResponseData ::= SEQUENCE {
+	 *    version              [0] EXPLICIT Version DEFAULT v1,
+	 *    responderID              ResponderID,
+	 *    producedAt               GeneralizedTime,
+	 *    responses                SEQUENCE OF SingleResponse,
+	 *    responseExtensions   [1] EXPLICIT Extensions OPTIONAL }
+	 */
+	pos = resp_data;
+	end = resp_data + resp_data_len;
+	wpa_hexdump(MSG_MSGDUMP, "OCSP: ResponseData", pos, end - pos);
+
+	/*
+	 * version [0] EXPLICIT Version DEFAULT v1
+	 * Version ::= INTEGER { v1(0) }
+	 */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 &&
+	    hdr.class == ASN1_CLASS_CONTEXT_SPECIFIC &&
+	    hdr.tag == 0) {
+		if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_UNIVERSAL ||
+		    hdr.tag != ASN1_TAG_INTEGER ||
+		    hdr.length != 1) {
+			wpa_printf(MSG_DEBUG,
+				   "OCSP: No INTEGER (len=1) tag found for version field - found class %d tag 0x%x length %d",
+				   hdr.class, hdr.tag, hdr.length);
+			goto fail;
+		}
+		wpa_printf(MSG_DEBUG, "OCSP: ResponseData version %u",
+			   hdr.payload[0]);
+		if (hdr.payload[0] != 0) {
+			wpa_printf(MSG_DEBUG,
+				   "OCSP: Unsupported ResponseData version %u",
+				   hdr.payload[0]);
+			goto no_resp;
+		}
+		pos = hdr.payload + hdr.length;
+	} else {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Default ResponseData version (v1)");
+	}
+
+	/*
+	 * ResponderID ::= CHOICE {
+	 *    byName              [1] Name,
+	 *    byKey               [2] KeyHash }
+	 */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_CONTEXT_SPECIFIC) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected CHOICE (ResponderID) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		goto fail;
+	}
+
+	if (hdr.tag == 1) {
+		/* Name */
+		if (x509_parse_name(hdr.payload, hdr.length, &name, &pos) < 0)
+			goto fail;
+		x509_name_string(&name, buf, sizeof(buf));
+		wpa_printf(MSG_DEBUG, "OCSP: ResponderID byName Name: %s", buf);
+	} else if (hdr.tag == 2) {
+		/* KeyHash ::= OCTET STRING */
+		if (asn1_get_next(hdr.payload, hdr.length, &hdr) < 0 ||
+		    hdr.class != ASN1_CLASS_UNIVERSAL ||
+		    hdr.tag != ASN1_TAG_OCTETSTRING) {
+			wpa_printf(MSG_DEBUG,
+				   "OCSP: Expected OCTET STRING (KeyHash) - found class %d tag 0x%x",
+				   hdr.class, hdr.tag);
+			goto fail;
+		}
+		key_hash = hdr.payload;
+		wpa_hexdump(MSG_DEBUG, "OCSP: ResponderID byKey KeyHash",
+			    key_hash, hdr.length);
+		if (hdr.length != SHA1_MAC_LEN) {
+			wpa_printf(MSG_DEBUG,
+				   "OCSP: Unexpected byKey KeyHash length %u - expected %u for SHA-1",
+				   hdr.length, SHA1_MAC_LEN);
+			goto fail;
+		}
+		pos = hdr.payload + hdr.length;
+	} else {
+		wpa_printf(MSG_DEBUG, "OCSP: Unexpected ResponderID CHOICE %u",
+			   hdr.tag);
+		goto fail;
+	}
+
+	/* producedAt  GeneralizedTime */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_GENERALIZEDTIME ||
+	    x509_parse_time(hdr.payload, hdr.length, hdr.tag,
+			    &produced_at) < 0) {
+		wpa_printf(MSG_DEBUG, "OCSP: Failed to parse producedAt");
+		goto fail;
+	}
+	wpa_printf(MSG_DEBUG, "OCSP: producedAt %lu",
+		   (unsigned long) produced_at);
+	pos = hdr.payload + hdr.length;
+
+	/* responses  SEQUENCE OF SingleResponse */
+	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||
+	    hdr.class != ASN1_CLASS_UNIVERSAL ||
+	    hdr.tag != ASN1_TAG_SEQUENCE) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Expected SEQUENCE (responses) - found class %d tag 0x%x",
+			   hdr.class, hdr.tag);
+		goto fail;
+	}
+	responses = hdr.payload;
+	responses_len = hdr.length;
+	wpa_hexdump(MSG_MSGDUMP, "OCSP: responses", responses, responses_len);
+	pos = hdr.payload + hdr.length;
+
+	if (pos < end) {
+		/* responseExtensions  [1] EXPLICIT Extensions OPTIONAL */
+		wpa_hexdump(MSG_MSGDUMP, "OCSP: responseExtensions",
+			    pos, end - pos);
+		/* Ignore for now. */
+	}
+
+	if (!conn->server_cert) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Server certificate not known - cannot check OCSP response");
+		goto no_resp;
+	}
+
+	if (conn->server_cert->next) {
+		/* Issuer has already been verified in the chain */
+		issuer = conn->server_cert->next;
+	} else {
+		/* Find issuer from the set of trusted certificates */
+		for (issuer = conn->cred ? conn->cred->trusted_certs : NULL;
+		     issuer; issuer = issuer->next) {
+			if (x509_name_compare(&conn->server_cert->issuer,
+					      &issuer->subject) == 0)
+				break;
+		}
+	}
+	if (!issuer) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Server certificate issuer not known - cannot check OCSP response");
+		goto no_resp;
+	}
+
+	if (ocsp_responder_id_match(issuer, &name, key_hash)) {
+		wpa_printf(MSG_DEBUG,
+			   "OCSP: Server certificate issuer certificate matches ResponderID");
+		signer = issuer;
+	} else {
+		for (signer = certs; signer; signer = signer->next) {
+			if (!ocsp_responder_id_match(signer, &name, key_hash) ||
+			    x509_name_compare(&conn->server_cert->issuer,
+					      &issuer->subject) != 0 ||
+			    !(signer->ext_key_usage &
+			      X509_EXT_KEY_USAGE_OCSP) ||
+			    x509_certificate_check_signature(issuer, signer) <
+			    0)
+				continue;
+			wpa_printf(MSG_DEBUG,
+				   "OCSP: An extra certificate from the response matches ResponderID and is trusted as an OCSP signer");
+			break;
+		}
+		if (!signer) {
+			wpa_printf(MSG_DEBUG,
+				   "OCSP: Could not find OCSP signer certificate");
+			goto no_resp;
+		}
+	}
+
+	x509_free_name(&name);
+	os_memset(&name, 0, sizeof(name));
+	x509_certificate_chain_free(certs);
+	certs = NULL;
+
+	if (x509_check_signature(signer, &alg, sign_value, sign_value_len,
+				 resp_data_signed, resp_data_signed_len) < 0) {
+		    wpa_printf(MSG_DEBUG, "OCSP: Invalid signature");
+		    return TLS_OCSP_INVALID;
+	}
+
+	return tls_process_ocsp_responses(conn, issuer, responses,
+					  responses_len);
+
+no_resp:
+	x509_free_name(&name);
+	x509_certificate_chain_free(certs);
 	return TLS_OCSP_NO_RESPONSE;
+
+fail:
+	x509_free_name(&name);
+	x509_certificate_chain_free(certs);
+	return TLS_OCSP_INVALID;
 }
 
 
diff --git a/src/tls/tlsv1_client_read.c b/src/tls/tlsv1_client_read.c
index b1fa15f..ff12452 100644
--- a/src/tls/tlsv1_client_read.c
+++ b/src/tls/tlsv1_client_read.c
@@ -889,11 +889,21 @@
 			goto skip;
 		tls_alert(conn, TLS_ALERT_LEVEL_FATAL,
 			  TLS_ALERT_BAD_CERTIFICATE_STATUS_RESPONSE);
+		if (conn->server_cert)
+			tls_cert_chain_failure_event(
+				conn, 0, conn->server_cert,
+				TLS_FAIL_UNSPECIFIED,
+				"bad certificate status response");
 		return -1;
 	case TLS_OCSP_INVALID:
 		if (!(conn->flags & TLS_CONN_REQUIRE_OCSP))
 			goto skip; /* ignore - process as if no response */
 		tls_alert(conn, TLS_ALERT_LEVEL_FATAL, TLS_ALERT_DECODE_ERROR);
+		if (conn->server_cert)
+			tls_cert_chain_failure_event(
+				conn, 0, conn->server_cert,
+				TLS_FAIL_UNSPECIFIED,
+				"bad certificate status response");
 		return -1;
 	case TLS_OCSP_GOOD:
 		wpa_printf(MSG_DEBUG, "TLSv1: OCSP response good");
diff --git a/src/tls/x509v3.c b/src/tls/x509v3.c
index 75e3285..5521390 100644
--- a/src/tls/x509v3.c
+++ b/src/tls/x509v3.c
@@ -1,6 +1,6 @@
 /*
  * X.509v3 certificate parsing and processing (RFC 3280 profile)
- * Copyright (c) 2006-2011, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2006-2015, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -14,7 +14,7 @@
 #include "x509v3.h"
 
 
-static void x509_free_name(struct x509_name *name)
+void x509_free_name(struct x509_name *name)
 {
 	size_t i;
 
@@ -55,6 +55,7 @@
 	x509_free_name(&cert->subject);
 	os_free(cert->public_key);
 	os_free(cert->sign_value);
+	os_free(cert->subject_dn);
 	os_free(cert);
 }
 
@@ -177,9 +178,9 @@
 }
 
 
-static int x509_parse_algorithm_identifier(
-	const u8 *buf, size_t len,
-	struct x509_algorithm_identifier *id, const u8 **next)
+int x509_parse_algorithm_identifier(const u8 *buf, size_t len,
+				    struct x509_algorithm_identifier *id,
+				    const u8 **next)
 {
 	struct asn1_hdr hdr;
 	const u8 *pos, *end;
@@ -288,8 +289,8 @@
 }
 
 
-static int x509_parse_name(const u8 *buf, size_t len, struct x509_name *name,
-			   const u8 **next)
+int x509_parse_name(const u8 *buf, size_t len, struct x509_name *name,
+		    const u8 **next)
 {
 	struct asn1_hdr hdr;
 	const u8 *pos, *end, *set_pos, *set_end, *seq_pos, *seq_end;
@@ -536,8 +537,7 @@
 }
 
 
-static int x509_parse_time(const u8 *buf, size_t len, u8 asn1_tag,
-			   os_time_t *val)
+int x509_parse_time(const u8 *buf, size_t len, u8 asn1_tag, os_time_t *val)
 {
 	const char *pos;
 	int year, month, day, hour, min, sec;
@@ -1122,6 +1122,15 @@
 }
 
 
+static int x509_id_kp_ocsp_oid(struct asn1_oid *oid)
+{
+	/* id-kp */
+	return oid->len == 9 &&
+		x509_id_kp_oid(oid) &&
+		oid->oid[8] == 9 /* id-kp-OCSPSigning */;
+}
+
+
 static int x509_parse_ext_ext_key_usage(struct x509_certificate *cert,
 					const u8 *pos, size_t len)
 {
@@ -1164,6 +1173,9 @@
 		} else if (x509_id_kp_client_auth_oid(&oid)) {
 			os_strlcpy(buf, "id-kp-clientAuth", sizeof(buf));
 			cert->ext_key_usage |= X509_EXT_KEY_USAGE_CLIENT_AUTH;
+		} else if (x509_id_kp_ocsp_oid(&oid)) {
+			os_strlcpy(buf, "id-kp-OCSPSigning", sizeof(buf));
+			cert->ext_key_usage |= X509_EXT_KEY_USAGE_OCSP;
 		} else {
 			asn1_oid_to_str(&oid, buf, sizeof(buf));
 		}
@@ -1390,21 +1402,23 @@
 
 	/* serialNumber CertificateSerialNumber ::= INTEGER */
 	if (hdr.class != ASN1_CLASS_UNIVERSAL ||
-	    hdr.tag != ASN1_TAG_INTEGER) {
+	    hdr.tag != ASN1_TAG_INTEGER ||
+	    hdr.length < 1 || hdr.length > X509_MAX_SERIAL_NUM_LEN) {
 		wpa_printf(MSG_DEBUG, "X509: No INTEGER tag found for "
-			   "serialNumber; class=%d tag=0x%x",
-			   hdr.class, hdr.tag);
+			   "serialNumber; class=%d tag=0x%x length=%u",
+			   hdr.class, hdr.tag, hdr.length);
 		return -1;
 	}
 
-	pos = hdr.payload;
-	left = hdr.length;
-	while (left) {
-		cert->serial_number <<= 8;
-		cert->serial_number |= *pos++;
-		left--;
+	pos = hdr.payload + hdr.length;
+	while (hdr.length > 0 && hdr.payload[0] == 0) {
+		hdr.payload++;
+		hdr.length--;
 	}
-	wpa_printf(MSG_MSGDUMP, "X509: serialNumber %lu", cert->serial_number);
+	os_memcpy(cert->serial_number, hdr.payload, hdr.length);
+	cert->serial_number_len = hdr.length;
+	wpa_hexdump(MSG_MSGDUMP, "X509: serialNumber", cert->serial_number,
+		    cert->serial_number_len);
 
 	/* signature AlgorithmIdentifier */
 	if (x509_parse_algorithm_identifier(pos, end - pos, &cert->signature,
@@ -1422,8 +1436,15 @@
 		return -1;
 
 	/* subject Name */
+	const u8 *subject_dn;
+	subject_dn = pos;
 	if (x509_parse_name(pos, end - pos, &cert->subject, &pos))
 		return -1;
+	cert->subject_dn = os_malloc(pos - subject_dn);
+	if (!cert->subject_dn)
+		return -1;
+	cert->subject_dn_len = pos - subject_dn;
+	os_memcpy(cert->subject_dn, subject_dn, cert->subject_dn_len);
 	x509_name_string(&cert->subject, sbuf, sizeof(sbuf));
 	wpa_printf(MSG_MSGDUMP, "X509: subject %s", sbuf);
 
@@ -1540,7 +1561,7 @@
 }
 
 
-static int x509_sha1_oid(struct asn1_oid *oid)
+int x509_sha1_oid(struct asn1_oid *oid)
 {
 	return oid->len == 6 &&
 		oid->oid[0] == 1 /* iso */ &&
@@ -1566,21 +1587,21 @@
 }
 
 
-static int x509_sha256_oid(struct asn1_oid *oid)
+int x509_sha256_oid(struct asn1_oid *oid)
 {
 	return x509_sha2_oid(oid) &&
 		oid->oid[8] == 1 /* sha256 */;
 }
 
 
-static int x509_sha384_oid(struct asn1_oid *oid)
+int x509_sha384_oid(struct asn1_oid *oid)
 {
 	return x509_sha2_oid(oid) &&
 		oid->oid[8] == 2 /* sha384 */;
 }
 
 
-static int x509_sha512_oid(struct asn1_oid *oid)
+int x509_sha512_oid(struct asn1_oid *oid)
 {
 	return x509_sha2_oid(oid) &&
 		oid->oid[8] == 3 /* sha512 */;
@@ -1705,6 +1726,17 @@
 int x509_certificate_check_signature(struct x509_certificate *issuer,
 				     struct x509_certificate *cert)
 {
+	return x509_check_signature(issuer, &cert->signature,
+				    cert->sign_value, cert->sign_value_len,
+				    cert->tbs_cert_start, cert->tbs_cert_len);
+}
+
+
+int x509_check_signature(struct x509_certificate *issuer,
+			 struct x509_algorithm_identifier *signature,
+			 const u8 *sign_value, size_t sign_value_len,
+			 const u8 *signed_data, size_t signed_data_len)
+{
 	struct crypto_public_key *pk;
 	u8 *data;
 	const u8 *pos, *end, *next, *da_end;
@@ -1713,10 +1745,12 @@
 	struct asn1_oid oid;
 	u8 hash[64];
 	size_t hash_len;
+	const u8 *addr[1] = { signed_data };
+	size_t len[1] = { signed_data_len };
 
-	if (!x509_pkcs_oid(&cert->signature.oid) ||
-	    cert->signature.oid.len != 7 ||
-	    cert->signature.oid.oid[5] != 1 /* pkcs-1 */) {
+	if (!x509_pkcs_oid(&signature->oid) ||
+	    signature->oid.len != 7 ||
+	    signature->oid.oid[5] != 1 /* pkcs-1 */) {
 		wpa_printf(MSG_DEBUG, "X509: Unrecognized signature "
 			   "algorithm");
 		return -1;
@@ -1727,15 +1761,15 @@
 	if (pk == NULL)
 		return -1;
 
-	data_len = cert->sign_value_len;
+	data_len = sign_value_len;
 	data = os_malloc(data_len);
 	if (data == NULL) {
 		crypto_public_key_free(pk);
 		return -1;
 	}
 
-	if (crypto_public_key_decrypt_pkcs1(pk, cert->sign_value,
-					    cert->sign_value_len, data,
+	if (crypto_public_key_decrypt_pkcs1(pk, sign_value,
+					    sign_value_len, data,
 					    &data_len) < 0) {
 		wpa_printf(MSG_DEBUG, "X509: Failed to decrypt signature");
 		crypto_public_key_free(pk);
@@ -1798,12 +1832,11 @@
 	}
 
 	if (x509_sha1_oid(&oid)) {
-		if (cert->signature.oid.oid[6] !=
-		    5 /* sha-1WithRSAEncryption */) {
+		if (signature->oid.oid[6] != 5 /* sha-1WithRSAEncryption */) {
 			wpa_printf(MSG_DEBUG, "X509: digestAlgorithm SHA1 "
 				   "does not match with certificate "
 				   "signatureAlgorithm (%lu)",
-				   cert->signature.oid.oid[6]);
+				   signature->oid.oid[6]);
 			os_free(data);
 			return -1;
 		}
@@ -1811,12 +1844,12 @@
 	}
 
 	if (x509_sha256_oid(&oid)) {
-		if (cert->signature.oid.oid[6] !=
+		if (signature->oid.oid[6] !=
 		    11 /* sha2561WithRSAEncryption */) {
 			wpa_printf(MSG_DEBUG, "X509: digestAlgorithm SHA256 "
 				   "does not match with certificate "
 				   "signatureAlgorithm (%lu)",
-				   cert->signature.oid.oid[6]);
+				   signature->oid.oid[6]);
 			os_free(data);
 			return -1;
 		}
@@ -1824,12 +1857,11 @@
 	}
 
 	if (x509_sha384_oid(&oid)) {
-		if (cert->signature.oid.oid[6] !=
-		    12 /* sha384WithRSAEncryption */) {
+		if (signature->oid.oid[6] != 12 /* sha384WithRSAEncryption */) {
 			wpa_printf(MSG_DEBUG, "X509: digestAlgorithm SHA384 "
 				   "does not match with certificate "
 				   "signatureAlgorithm (%lu)",
-				   cert->signature.oid.oid[6]);
+				   signature->oid.oid[6]);
 			os_free(data);
 			return -1;
 		}
@@ -1837,12 +1869,11 @@
 	}
 
 	if (x509_sha512_oid(&oid)) {
-		if (cert->signature.oid.oid[6] !=
-		    13 /* sha512WithRSAEncryption */) {
+		if (signature->oid.oid[6] != 13 /* sha512WithRSAEncryption */) {
 			wpa_printf(MSG_DEBUG, "X509: digestAlgorithm SHA512 "
 				   "does not match with certificate "
 				   "signatureAlgorithm (%lu)",
-				   cert->signature.oid.oid[6]);
+				   signature->oid.oid[6]);
 			os_free(data);
 			return -1;
 		}
@@ -1856,12 +1887,11 @@
 	}
 	switch (oid.oid[5]) {
 	case 5: /* md5 */
-		if (cert->signature.oid.oid[6] != 4 /* md5WithRSAEncryption */)
-		{
+		if (signature->oid.oid[6] != 4 /* md5WithRSAEncryption */) {
 			wpa_printf(MSG_DEBUG, "X509: digestAlgorithm MD5 does "
 				   "not match with certificate "
 				   "signatureAlgorithm (%lu)",
-				   cert->signature.oid.oid[6]);
+				   signature->oid.oid[6]);
 			os_free(data);
 			return -1;
 		}
@@ -1892,38 +1922,33 @@
 	wpa_hexdump(MSG_MSGDUMP, "X509: Decrypted Digest",
 		    hdr.payload, hdr.length);
 
-	switch (cert->signature.oid.oid[6]) {
+	switch (signature->oid.oid[6]) {
 	case 4: /* md5WithRSAEncryption */
-		md5_vector(1, &cert->tbs_cert_start, &cert->tbs_cert_len,
-			   hash);
+		md5_vector(1, addr, len, hash);
 		hash_len = 16;
 		wpa_hexdump(MSG_MSGDUMP, "X509: Certificate hash (MD5)",
 			    hash, hash_len);
 		break;
 	case 5: /* sha-1WithRSAEncryption */
-		sha1_vector(1, &cert->tbs_cert_start, &cert->tbs_cert_len,
-			    hash);
+		sha1_vector(1, addr, len, hash);
 		hash_len = 20;
 		wpa_hexdump(MSG_MSGDUMP, "X509: Certificate hash (SHA1)",
 			    hash, hash_len);
 		break;
 	case 11: /* sha256WithRSAEncryption */
-		sha256_vector(1, &cert->tbs_cert_start, &cert->tbs_cert_len,
-			      hash);
+		sha256_vector(1, addr, len, hash);
 		hash_len = 32;
 		wpa_hexdump(MSG_MSGDUMP, "X509: Certificate hash (SHA256)",
 			    hash, hash_len);
 		break;
 	case 12: /* sha384WithRSAEncryption */
-		sha384_vector(1, &cert->tbs_cert_start, &cert->tbs_cert_len,
-			      hash);
+		sha384_vector(1, addr, len, hash);
 		hash_len = 48;
 		wpa_hexdump(MSG_MSGDUMP, "X509: Certificate hash (SHA384)",
 			    hash, hash_len);
 		break;
 	case 13: /* sha512WithRSAEncryption */
-		sha512_vector(1, &cert->tbs_cert_start, &cert->tbs_cert_len,
-			      hash);
+		sha512_vector(1, addr, len, hash);
 		hash_len = 64;
 		wpa_hexdump(MSG_MSGDUMP, "X509: Certificate hash (SHA512)",
 			    hash, hash_len);
@@ -1931,7 +1956,7 @@
 	case 2: /* md2WithRSAEncryption */
 	default:
 		wpa_printf(MSG_INFO, "X509: Unsupported certificate signature "
-			   "algorithm (%lu)", cert->signature.oid.oid[6]);
+			   "algorithm (%lu)", signature->oid.oid[6]);
 		os_free(data);
 		return -1;
 	}
diff --git a/src/tls/x509v3.h b/src/tls/x509v3.h
index 12ef86e..dcdb4a3 100644
--- a/src/tls/x509v3.h
+++ b/src/tls/x509v3.h
@@ -45,13 +45,18 @@
 	struct asn1_oid rid; /* registeredID */
 };
 
+#define X509_MAX_SERIAL_NUM_LEN 20
+
 struct x509_certificate {
 	struct x509_certificate *next;
 	enum { X509_CERT_V1 = 0, X509_CERT_V2 = 1, X509_CERT_V3 = 2 } version;
-	unsigned long serial_number;
+	u8 serial_number[X509_MAX_SERIAL_NUM_LEN];
+	size_t serial_number_len;
 	struct x509_algorithm_identifier signature;
 	struct x509_name issuer;
 	struct x509_name subject;
+	u8 *subject_dn;
+	size_t subject_dn_len;
 	os_time_t not_before;
 	os_time_t not_after;
 	struct x509_algorithm_identifier public_key_alg;
@@ -91,6 +96,7 @@
 #define X509_EXT_KEY_USAGE_ANY			(1 << 0)
 #define X509_EXT_KEY_USAGE_SERVER_AUTH		(1 << 1)
 #define X509_EXT_KEY_USAGE_CLIENT_AUTH		(1 << 2)
+#define X509_EXT_KEY_USAGE_OCSP			(1 << 3)
 
 	/*
 	 * The DER format certificate follows struct x509_certificate. These
@@ -113,10 +119,21 @@
 };
 
 void x509_certificate_free(struct x509_certificate *cert);
+int x509_parse_algorithm_identifier(const u8 *buf, size_t len,
+				    struct x509_algorithm_identifier *id,
+				    const u8 **next);
+int x509_parse_name(const u8 *buf, size_t len, struct x509_name *name,
+		    const u8 **next);
+int x509_parse_time(const u8 *buf, size_t len, u8 asn1_tag, os_time_t *val);
 struct x509_certificate * x509_certificate_parse(const u8 *buf, size_t len);
+void x509_free_name(struct x509_name *name);
 void x509_name_string(struct x509_name *name, char *buf, size_t len);
 int x509_name_compare(struct x509_name *a, struct x509_name *b);
 void x509_certificate_chain_free(struct x509_certificate *cert);
+int x509_check_signature(struct x509_certificate *issuer,
+			 struct x509_algorithm_identifier *signature,
+			 const u8 *sign_value, size_t sign_value_len,
+			 const u8 *signed_data, size_t signed_data_len);
 int x509_certificate_check_signature(struct x509_certificate *issuer,
 				     struct x509_certificate *cert);
 int x509_certificate_chain_validate(struct x509_certificate *trusted,
@@ -127,4 +144,9 @@
 			     struct x509_name *name);
 int x509_certificate_self_signed(struct x509_certificate *cert);
 
+int x509_sha1_oid(struct asn1_oid *oid);
+int x509_sha256_oid(struct asn1_oid *oid);
+int x509_sha384_oid(struct asn1_oid *oid);
+int x509_sha512_oid(struct asn1_oid *oid);
+
 #endif /* X509V3_H */
diff --git a/src/utils/wpa_debug.c b/src/utils/wpa_debug.c
index 3275524..f7acf6b 100644
--- a/src/utils/wpa_debug.c
+++ b/src/utils/wpa_debug.c
@@ -148,7 +148,7 @@
 		strtok_r(line, " ", &tmp2);
 		tmp_path = strtok_r(NULL, " ", &tmp2);
 		fstype = strtok_r(NULL, " ", &tmp2);
-		if (strcmp(fstype, "debugfs") == 0) {
+		if (fstype && strcmp(fstype, "debugfs") == 0) {
 			path = tmp_path;
 			break;
 		}