1/*
2 * Copyright (c) 2018 Yubico AB. All rights reserved.
3 * Use of this source code is governed by a BSD-style
4 * license that can be found in the LICENSE file.
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#include "fido.h"
9
10static int
11fido_dev_reset_tx(fido_dev_t *dev, int *ms)
12{
13	const unsigned char cbor[] = { CTAP_CBOR_RESET };
14
15	if (fido_tx(dev, CTAP_CMD_CBOR, cbor, sizeof(cbor), ms) < 0) {
16		fido_log_debug("%s: fido_tx", __func__);
17		return (FIDO_ERR_TX);
18	}
19
20	return (FIDO_OK);
21}
22
23static int
24fido_dev_reset_wait(fido_dev_t *dev, int *ms)
25{
26	int r;
27
28	if ((r = fido_dev_reset_tx(dev, ms)) != FIDO_OK ||
29	    (r = fido_rx_cbor_status(dev, ms)) != FIDO_OK)
30		return (r);
31
32	if (dev->flags & FIDO_DEV_PIN_SET) {
33		dev->flags &= ~FIDO_DEV_PIN_SET;
34		dev->flags |= FIDO_DEV_PIN_UNSET;
35	}
36
37	return (FIDO_OK);
38}
39
40int
41fido_dev_reset(fido_dev_t *dev)
42{
43	int ms = dev->timeout_ms;
44
45	return (fido_dev_reset_wait(dev, &ms));
46}
47