C++ wpabuf_resize函数代码示例

static struct wpabuf * wpa_supplicant_extra_ies(struct wpa_supplicant *wpa_s)
{
	struct wpabuf *extra_ie = NULL;
#ifdef CONFIG_WPS
	int wps = 0;
	enum wps_request_type req_type = WPS_REQ_ENROLLEE_INFO;
#endif /* CONFIG_WPS */

#ifdef CONFIG_INTERWORKING
	if (wpa_s->conf->interworking &&
	    wpabuf_resize(&extra_ie, 100) == 0)
		wpas_add_interworking_elements(wpa_s, extra_ie);
#endif /* CONFIG_INTERWORKING */

#ifdef CONFIG_WPS
	wps = wpas_wps_in_use(wpa_s, &req_type);

	if (wps) {
		struct wpabuf *wps_ie;
		wps_ie = wps_build_probe_req_ie(wps == 2 ? DEV_PW_PUSHBUTTON :
						DEV_PW_DEFAULT,
						&wpa_s->wps->dev,
						wpa_s->wps->uuid, req_type,
						0, NULL);
		if (wps_ie) {
			if (wpabuf_resize(&extra_ie, wpabuf_len(wps_ie)) == 0)
				wpabuf_put_buf(extra_ie, wps_ie);
			wpabuf_free(wps_ie);
		}
	}

#ifdef CONFIG_P2P
	if (wps) {
		size_t ielen = p2p_scan_ie_buf_len(wpa_s->global->p2p);
		if (wpabuf_resize(&extra_ie, ielen) == 0)
			wpas_p2p_scan_ie(wpa_s, extra_ie);
	}
#endif /* CONFIG_P2P */

#endif /* CONFIG_WPS */

#ifdef CONFIG_HS20
	if (wpa_s->conf->hs20 && wpabuf_resize(&extra_ie, 7) == 0)
		wpas_hs20_add_indication(extra_ie);
#endif /* CONFIG_HS20 */

	return extra_ie;
}

static int eap_fast_encrypt_phase2(struct eap_sm *sm,
				   struct eap_fast_data *data,
				   struct wpabuf *plain, int piggyback)
{
	struct wpabuf *encr;

	wpa_hexdump_buf_key(MSG_DEBUG, "EAP-FAST: Encrypting Phase 2 TLVs",
			    plain);
	encr = eap_server_tls_encrypt(sm, &data->ssl, plain);
	wpabuf_free(plain);

	if (data->ssl.tls_out && piggyback) {
		wpa_printf(MSG_DEBUG, "EAP-FAST: Piggyback Phase 2 data "
			   "(len=%d) with last Phase 1 Message (len=%d "
			   "used=%d)",
			   (int) wpabuf_len(encr),
			   (int) wpabuf_len(data->ssl.tls_out),
			   (int) data->ssl.tls_out_pos);
		if (wpabuf_resize(&data->ssl.tls_out, wpabuf_len(encr)) < 0) {
			wpa_printf(MSG_WARNING, "EAP-FAST: Failed to resize "
				   "output buffer");
			wpabuf_free(encr);
			return -1;
		}
		wpabuf_put_buf(data->ssl.tls_out, encr);
		wpabuf_free(encr);
	} else {
		wpabuf_free(data->ssl.tls_out);
		data->ssl.tls_out_pos = 0;
		data->ssl.tls_out = encr;
	}

	return 0;
}

u8 * eap_sim_msg_add(struct eap_sim_msg *msg, u8 attr, u16 value,
		     const u8 *data, size_t len)
{
	int attr_len = 4 + len;
	int pad_len;
	u8 *start;

	if (msg == NULL)
		return NULL;

	pad_len = (4 - attr_len % 4) % 4;
	attr_len += pad_len;
	if (wpabuf_resize(&msg->buf, attr_len))
		return NULL;
	start = wpabuf_put(msg->buf, 0);
	wpabuf_put_u8(msg->buf, attr);
	wpabuf_put_u8(msg->buf, attr_len / 4);
	wpabuf_put_be16(msg->buf, value);
	if (data)
		wpabuf_put_data(msg->buf, data, len);
	else
		wpabuf_put(msg->buf, len);
	if (pad_len)
		os_memset(wpabuf_put(msg->buf, pad_len), 0, pad_len);
	return start;
}

struct radius_attr_hdr *radius_msg_add_attr(struct radius_msg *msg, u8 type,
					    const u8 *data, size_t data_len)
{
	size_t buf_needed;
	struct radius_attr_hdr *attr;

	if (data_len > RADIUS_MAX_ATTR_LEN) {
		printf("radius_msg_add_attr: too long attribute (%lu bytes)\n",
		       (unsigned long) data_len);
		return NULL;
	}

	buf_needed = sizeof(*attr) + data_len;

	if (wpabuf_tailroom(msg->buf) < buf_needed) {
		/* allocate more space for message buffer */
		if (wpabuf_resize(&msg->buf, buf_needed) < 0)
			return NULL;
		msg->hdr = wpabuf_mhead(msg->buf);
	}

	attr = wpabuf_put(msg->buf, sizeof(struct radius_attr_hdr));
	attr->type = type;
	attr->length = sizeof(*attr) + data_len;
	wpabuf_put_data(msg->buf, data, data_len);

	if (radius_msg_add_attr_to_array(msg, attr))
		return NULL;

	return attr;
}

static int add_buf_data(struct wpabuf **dst, const u8 *data, size_t len)
{
	if (!data || !len)
		return 0;
	if (wpabuf_resize(dst, len) != 0)
		return -1;
	wpabuf_put_data(*dst, data, len);
	return 0;
}

static int add_buf(struct wpabuf **dst, const struct wpabuf *src)
{
	if (!src)
		return 0;
	if (wpabuf_resize(dst, wpabuf_len(src)) != 0)
		return -1;
	wpabuf_put_buf(*dst, src);
	return 0;
}

static int eap_peapv2_start_phase2(struct eap_sm *sm,
				   struct eap_peap_data *data)
{
	struct wpabuf *buf, *buf2;
	int res;

	wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Phase1 done, include first Phase2 "
		   "payload in the same message");
	eap_peap_state(data, PHASE1_ID2);
	if (eap_peap_phase2_init(sm, data, EAP_TYPE_IDENTITY))
		return -1;

	/* TODO: which Id to use here? */
	buf = data->phase2_method->buildReq(sm, data->phase2_priv, 6);
	if (buf == NULL)
		return -1;

	buf2 = eap_peapv2_tlv_eap_payload(buf);
	if (buf2 == NULL)
		return -1;

	wpa_hexdump_buf(MSG_DEBUG, "EAP-PEAPv2: Identity Request", buf2);

	buf = wpabuf_alloc(data->ssl.tls_out_limit);
	if (buf == NULL) {
		wpabuf_free(buf2);
		return -1;
	}

	res = tls_connection_encrypt(sm->ssl_ctx, data->ssl.conn,
				     wpabuf_head(buf2), wpabuf_len(buf2),
				     wpabuf_put(buf, 0),
				     data->ssl.tls_out_limit);
	wpabuf_free(buf2);

	if (res < 0) {
		wpa_printf(MSG_INFO, "EAP-PEAPv2: Failed to encrypt Phase 2 "
			   "data");
		wpabuf_free(buf);
		return -1;
	}

	wpabuf_put(buf, res);
	wpa_hexdump_buf(MSG_DEBUG, "EAP-PEAPv2: Encrypted Identity Request",
			buf);

	/* Append TLS data into the pending buffer after the Server Finished */
	if (wpabuf_resize(&data->ssl.out_buf, wpabuf_len(buf)) < 0) {
		wpabuf_free(buf);
		return -1;
	}
	wpabuf_put_buf(data->ssl.out_buf, buf);
	wpabuf_free(buf);

	return 0;
}

/**
 * eap_peer_tls_reassemble_fragment - Reassemble a received fragment
 * @data: Data for TLS processing
 * @in_data: Next incoming TLS segment
 * Returns: 0 on success, 1 if more data is needed for the full message, or
 * -1 on error
 */
static int eap_peer_tls_reassemble_fragment(struct eap_ssl_data *data,
					    const struct wpabuf *in_data)
{
	size_t tls_in_len, in_len;

	tls_in_len = data->tls_in ? wpabuf_len(data->tls_in) : 0;
	in_len = in_data ? wpabuf_len(in_data) : 0;

	if (tls_in_len + in_len == 0) {
		/* No message data received?! */
		wpa_printf(MSG_WARNING, "SSL: Invalid reassembly state: "
			   "tls_in_left=%lu tls_in_len=%lu in_len=%lu",
			   (unsigned long) data->tls_in_left,
			   (unsigned long) tls_in_len,
			   (unsigned long) in_len);
		eap_peer_tls_reset_input(data);
		return -1;
	}

	if (tls_in_len + in_len > 65536) {
		/*
		 * Limit length to avoid rogue servers from causing large
		 * memory allocations.
		 */
		wpa_printf(MSG_INFO, "SSL: Too long TLS fragment (size over "
			   "64 kB)");
		eap_peer_tls_reset_input(data);
		return -1;
	}

	if (in_len > data->tls_in_left) {
		/* Sender is doing something odd - reject message */
		wpa_printf(MSG_INFO, "SSL: more data than TLS message length "
			   "indicated");
		eap_peer_tls_reset_input(data);
		return -1;
	}

	if (wpabuf_resize(&data->tls_in, in_len) < 0) {
		wpa_printf(MSG_INFO, "SSL: Could not allocate memory for TLS "
			   "data");
		eap_peer_tls_reset_input(data);
		return -1;
	}
	if (in_data)
		wpabuf_put_buf(data->tls_in, in_data);
	data->tls_in_left -= in_len;

	if (data->tls_in_left > 0) {
		wpa_printf(MSG_DEBUG, "SSL: Need %lu bytes more input "
			   "data", (unsigned long) data->tls_in_left);
		return 1;
	}

	return 0;
}

static int gas_query_append(struct gas_query_pending *query, const u8 *data,
			    size_t len)
{
	if (wpabuf_resize(&query->resp, len) < 0) {
		wpa_printf(MSG_DEBUG, "GAS: No memory to store the response");
		return -1;
	}
	wpabuf_put_data(query->resp, data, len);
	return 0;
}

void wpa_supplicant_mesh_add_scan_ie(struct wpa_supplicant *wpa_s,
				     struct wpabuf **extra_ie)
{
	/* EID + 0-length (wildcard) mesh-id */
	size_t ielen = 2;

	if (wpabuf_resize(extra_ie, ielen) == 0) {
		wpabuf_put_u8(*extra_ie, WLAN_EID_MESH_ID);
		wpabuf_put_u8(*extra_ie, 0);
	}
}

static ssize_t tls_push_func(gnutls_transport_ptr ptr, const void *buf,
			     size_t len)
{
	struct tls_connection *conn = (struct tls_connection *) ptr;

	if (wpabuf_resize(&conn->push_buf, len) < 0) {
		errno = ENOMEM;
		return -1;
	}
	wpabuf_put_data(conn->push_buf, buf, len);

	return len;
}

static struct wpabuf * eap_eke_build_commit(struct eap_sm *sm,
					    struct eap_eke_data *data, u8 id)
{
	struct wpabuf *msg;
	u8 pub[EAP_EKE_MAX_DH_LEN];

	wpa_printf(MSG_DEBUG, "EAP-EKE: Request/Commit");

	if (sm->user == NULL || sm->user->password == NULL) {
		wpa_printf(MSG_INFO, "EAP-EKE: Password with not configured");
		eap_eke_fail(data, EAP_EKE_FAIL_PASSWD_NOT_FOUND);
		return eap_eke_build_failure(data, id);
	}

	if (eap_eke_derive_key(&data->sess, sm->user->password,
			       sm->user->password_len,
			       sm->server_id, sm->server_id_len,
			       data->peerid, data->peerid_len, data->key) < 0) {
		wpa_printf(MSG_INFO, "EAP-EKE: Failed to derive key");
		eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
		return eap_eke_build_failure(data, id);
	}

	msg = eap_eke_build_msg(data, id, data->sess.dhcomp_len,
				EAP_EKE_COMMIT);
	if (msg == NULL) {
		eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
		return eap_eke_build_failure(data, id);
	}

	/*
	 * y_s = g ^ x_s (mod p)
	 * x_s = random number 2 .. p-1
	 * temp = prf(0+, password)
	 * key = prf+(temp, ID_S | ID_P)
	 * DHComponent_S = Encr(key, y_s)
	 */

	if (eap_eke_dh_init(data->sess.dhgroup, data->dh_priv, pub) < 0) {
		wpa_printf(MSG_INFO, "EAP-EKE: Failed to initialize DH");
		eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
		return eap_eke_build_failure(data, id);
	}

	if (eap_eke_dhcomp(&data->sess, data->key, pub,
			   wpabuf_put(msg, data->sess.dhcomp_len))
	    < 0) {
		wpa_printf(MSG_INFO, "EAP-EKE: Failed to build DHComponent_S");
		wpabuf_free(msg);
		eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
		return eap_eke_build_failure(data, id);
	}

	if (wpabuf_resize(&data->msgs, wpabuf_len(msg)) < 0) {
		wpabuf_free(msg);
		eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
		return eap_eke_build_failure(data, id);
	}
	wpabuf_put_buf(data->msgs, msg);

	return msg;
}

int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
			       struct wpabuf **beacon_ret,
			       struct wpabuf **proberesp_ret,
			       struct wpabuf **assocresp_ret)
{
	struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
	u8 buf[200], *pos;

	*beacon_ret = *proberesp_ret = *assocresp_ret = NULL;

	pos = buf;
	pos = hostapd_eid_time_adv(hapd, pos);
	if (add_buf_data(&beacon, buf, pos - buf) < 0)
		goto fail;
	pos = hostapd_eid_time_zone(hapd, pos);
	if (add_buf_data(&proberesp, buf, pos - buf) < 0)
		goto fail;

	pos = buf;
	pos = hostapd_eid_ext_capab(hapd, pos);
	if (add_buf_data(&assocresp, buf, pos - buf) < 0)
		goto fail;
	pos = hostapd_eid_interworking(hapd, pos);
	pos = hostapd_eid_adv_proto(hapd, pos);
	pos = hostapd_eid_roaming_consortium(hapd, pos);
	if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
	    add_buf_data(&proberesp, buf, pos - buf) < 0)
		goto fail;

#ifdef CONFIG_FST
	if (add_buf(&beacon, hapd->iface->fst_ies) < 0 ||
	    add_buf(&proberesp, hapd->iface->fst_ies) < 0 ||
	    add_buf(&assocresp, hapd->iface->fst_ies) < 0)
		goto fail;
#endif /* CONFIG_FST */

#ifdef CONFIG_FILS
	pos = hostapd_eid_fils_indic(hapd, buf, 0);
	if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
	    add_buf_data(&proberesp, buf, pos - buf) < 0)
		goto fail;
#endif /* CONFIG_FILS */

	if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 ||
	    add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0)
		goto fail;

#ifdef CONFIG_P2P
	if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 ||
	    add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0)
		goto fail;
#endif /* CONFIG_P2P */

#ifdef CONFIG_P2P_MANAGER
	if (hapd->conf->p2p & P2P_MANAGE) {
		if (wpabuf_resize(&beacon, 100) == 0) {
			u8 *start, *p;
			start = wpabuf_put(beacon, 0);
			p = hostapd_eid_p2p_manage(hapd, start);
			wpabuf_put(beacon, p - start);
		}

		if (wpabuf_resize(&proberesp, 100) == 0) {
			u8 *start, *p;
			start = wpabuf_put(proberesp, 0);
			p = hostapd_eid_p2p_manage(hapd, start);
			wpabuf_put(proberesp, p - start);
		}
	}
#endif /* CONFIG_P2P_MANAGER */

#ifdef CONFIG_WPS
	if (hapd->conf->wps_state) {
		struct wpabuf *a = wps_build_assoc_resp_ie();
		add_buf(&assocresp, a);
		wpabuf_free(a);
	}
#endif /* CONFIG_WPS */

#ifdef CONFIG_P2P_MANAGER
	if (hapd->conf->p2p & P2P_MANAGE) {
		if (wpabuf_resize(&assocresp, 100) == 0) {
			u8 *start, *p;
			start = wpabuf_put(assocresp, 0);
			p = hostapd_eid_p2p_manage(hapd, start);
			wpabuf_put(assocresp, p - start);
		}
	}
#endif /* CONFIG_P2P_MANAGER */

#ifdef CONFIG_WIFI_DISPLAY
	if (hapd->p2p_group) {
		struct wpabuf *a;
		a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
		add_buf(&assocresp, a);
		wpabuf_free(a);
	}
#endif /* CONFIG_WIFI_DISPLAY */

#ifdef CONFIG_HS20
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			params.ssids[0].ssid = NULL;
			params.ssids[0].ssid_len = 0;
			wpa_s->prev_scan_wildcard = 1;
			wpa_dbg(wpa_s, MSG_DEBUG, "Starting AP scan for "
				"wildcard SSID (Interleave with specific)");
		} else {
			wpa_s->prev_scan_ssid = ssid;
			wpa_s->prev_scan_wildcard = 0;
			wpa_dbg(wpa_s, MSG_DEBUG,
				"Starting AP scan for specific SSID: %s",
				wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
		}
	} else if (ssid) {
		/* max_ssids > 1 */

		wpa_s->prev_scan_ssid = ssid;
		wpa_dbg(wpa_s, MSG_DEBUG, "Include wildcard SSID in "
			"the scan request");
		params.num_ssids++;
	} else {
		wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN;
		params.num_ssids++;
		wpa_dbg(wpa_s, MSG_DEBUG, "Starting AP scan for wildcard "
			"SSID");
	}
#ifdef CONFIG_P2P
ssid_list_set:
#endif /* CONFIG_P2P */

	wpa_supplicant_optimize_freqs(wpa_s, &params);
	extra_ie = wpa_supplicant_extra_ies(wpa_s);

#ifdef CONFIG_HS20
	if (wpa_s->conf->hs20 && wpabuf_resize(&extra_ie, 7) == 0)
		wpas_hs20_add_indication(extra_ie);
#endif /* CONFIG_HS20 */

	if (params.freqs == NULL && wpa_s->next_scan_freqs) {
		wpa_dbg(wpa_s, MSG_DEBUG, "Optimize scan based on previously "
			"generated frequency list");
		params.freqs = wpa_s->next_scan_freqs;
	} else
		os_free(wpa_s->next_scan_freqs);
	wpa_s->next_scan_freqs = NULL;

	params.filter_ssids = wpa_supplicant_build_filter_ssids(
		wpa_s->conf, &params.num_filter_ssids);
	if (extra_ie) {
		params.extra_ies = wpabuf_head(extra_ie);
		params.extra_ies_len = wpabuf_len(extra_ie);
	}

#ifdef CONFIG_P2P
	if (wpa_s->p2p_in_provisioning ||
	    (wpa_s->show_group_started && wpa_s->go_params)) {
		/*
		 * The interface may not yet be in P2P mode, so we have to
		 * explicitly request P2P probe to disable CCK rates.
		 */
		params.p2p_probe = 1;
	}
#endif /* CONFIG_P2P */

	scan_params = &params;

scan:

//.........这里部分代码省略.........
	wpa_hexdump(MSG_DEBUG, "EAP-EKE: CBValue", pos, end - pos);

	/*
	 * temp = prf(0+, password)
	 * key = prf+(temp, ID_S | ID_P)
	 */
	if (eap_eke_derive_key(&data->sess, password, password_len,
			       data->serverid, data->serverid_len,
			       data->peerid, data->peerid_len, key) < 0) {
		wpa_printf(MSG_INFO, "EAP-EKE: Failed to derive key");
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}

	/*
	 * y_p = g ^ x_p (mod p)
	 * x_p = random number 2 .. p-1
	 */
	if (eap_eke_dh_init(data->sess.dhgroup, data->dh_priv, pub) < 0) {
		wpa_printf(MSG_INFO, "EAP-EKE: Failed to initialize DH");
		os_memset(key, 0, sizeof(key));
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}

	if (eap_eke_shared_secret(&data->sess, key, data->dh_priv, dhcomp) < 0)
	{
		wpa_printf(MSG_INFO, "EAP-EKE: Failed to derive shared secret");
		os_memset(key, 0, sizeof(key));
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}

	if (eap_eke_derive_ke_ki(&data->sess,
				 data->serverid, data->serverid_len,
				 data->peerid, data->peerid_len) < 0) {
		wpa_printf(MSG_INFO, "EAP-EKE: Failed to derive Ke/Ki");
		os_memset(key, 0, sizeof(key));
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}

	wpa_printf(MSG_DEBUG, "EAP-EKE: Sending EAP-EKE-Commit/Response");

	resp = eap_eke_build_msg(data, id,
				 data->sess.dhcomp_len + data->sess.pnonce_len,
				 EAP_EKE_COMMIT);
	if (resp == NULL) {
		os_memset(key, 0, sizeof(key));
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}

	/* DHComponent_P = Encr(key, y_p) */
	rpos = wpabuf_put(resp, data->sess.dhcomp_len);
	if (eap_eke_dhcomp(&data->sess, key, pub, rpos) < 0) {
		wpabuf_free(resp);
		wpa_printf(MSG_INFO, "EAP-EKE: Failed to build DHComponent_P");
		os_memset(key, 0, sizeof(key));
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}
	os_memset(key, 0, sizeof(key));

	wpa_hexdump(MSG_DEBUG, "EAP-EKE: DHComponent_P",
		    rpos, data->sess.dhcomp_len);

	if (random_get_bytes(data->nonce_p, data->sess.nonce_len)) {
		wpabuf_free(resp);
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}
	wpa_hexdump_key(MSG_DEBUG, "EAP-EKE: Nonce_P",
			data->nonce_p, data->sess.nonce_len);
	prot_len = wpabuf_tailroom(resp);
	if (eap_eke_prot(&data->sess, data->nonce_p, data->sess.nonce_len,
			 wpabuf_put(resp, 0), &prot_len) < 0) {
		wpabuf_free(resp);
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}
	wpa_hexdump(MSG_DEBUG, "EAP-EKE: PNonce_P",
		    wpabuf_put(resp, 0), prot_len);
	wpabuf_put(resp, prot_len);

	/* TODO: CBValue */

	if (wpabuf_resize(&data->msgs, wpabuf_len(reqData) + wpabuf_len(resp))
	    < 0) {
		wpabuf_free(resp);
		return eap_eke_build_fail(data, ret, id,
					  EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
	}
	wpabuf_put_buf(data->msgs, reqData);
	wpabuf_put_buf(data->msgs, resp);

	eap_eke_state(data, CONFIRM);

	return resp;
}