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 */
6
7 #include "fido.h"
8
9 static int
fido_dev_reset_tx(fido_dev_t * dev,int * ms)10 fido_dev_reset_tx(fido_dev_t *dev, int *ms)
11 {
12 const unsigned char cbor[] = { CTAP_CBOR_RESET };
13
14 if (fido_tx(dev, CTAP_CMD_CBOR, cbor, sizeof(cbor), ms) < 0) {
15 fido_log_debug("%s: fido_tx", __func__);
16 return (FIDO_ERR_TX);
17 }
18
19 return (FIDO_OK);
20 }
21
22 static int
fido_dev_reset_wait(fido_dev_t * dev,int * ms)23 fido_dev_reset_wait(fido_dev_t *dev, int *ms)
24 {
25 int r;
26
27 if ((r = fido_dev_reset_tx(dev, ms)) != FIDO_OK ||
28 (r = fido_rx_cbor_status(dev, ms)) != FIDO_OK)
29 return (r);
30
31 if (dev->flags & FIDO_DEV_PIN_SET) {
32 dev->flags &= ~FIDO_DEV_PIN_SET;
33 dev->flags |= FIDO_DEV_PIN_UNSET;
34 }
35
36 return (FIDO_OK);
37 }
38
39 int
fido_dev_reset(fido_dev_t * dev)40 fido_dev_reset(fido_dev_t *dev)
41 {
42 int ms = dev->timeout_ms;
43
44 return (fido_dev_reset_wait(dev, &ms));
45 }
46