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
10 static int
fido_dev_reset_tx(fido_dev_t * dev,int * ms)11 fido_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
23 static int
fido_dev_reset_wait(fido_dev_t * dev,int * ms)24 fido_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
40 int
fido_dev_reset(fido_dev_t * dev)41 fido_dev_reset(fido_dev_t *dev)
42 {
43 int ms = dev->timeout_ms;
44
45 return (fido_dev_reset_wait(dev, &ms));
46 }
47