/*
 * Copyright (c) 2018 Yubico AB. All rights reserved.
 * Use of this source code is governed by a BSD-style
 * license that can be found in the LICENSE file.
 */

#include "fido.h"

static int
fido_dev_reset_tx(fido_dev_t *dev, int *ms)
{
        const unsigned char cbor[] = { CTAP_CBOR_RESET };

        if (fido_tx(dev, CTAP_CMD_CBOR, cbor, sizeof(cbor), ms) < 0) {
                fido_log_debug("%s: fido_tx", __func__);
                return (FIDO_ERR_TX);
        }

        return (FIDO_OK);
}

static int
fido_dev_reset_wait(fido_dev_t *dev, int *ms)
{
        int r;

        if ((r = fido_dev_reset_tx(dev, ms)) != FIDO_OK ||
            (r = fido_rx_cbor_status(dev, ms)) != FIDO_OK)
                return (r);

        if (dev->flags & FIDO_DEV_PIN_SET) {
                dev->flags &= ~FIDO_DEV_PIN_SET;
                dev->flags |= FIDO_DEV_PIN_UNSET;
        }

        return (FIDO_OK);
}

int
fido_dev_reset(fido_dev_t *dev)
{
        int ms = dev->timeout_ms;

        return (fido_dev_reset_wait(dev, &ms));
}