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/*
9 * Configure a PIN on a given authenticator.
10 */
11
12#include <fido.h>
13#include <stdio.h>
14#include <stdlib.h>
15
16#include "../openbsd-compat/openbsd-compat.h"
17
18static void
19setpin(const char *path, const char *pin, const char *oldpin)
20{
21	fido_dev_t *dev;
22	int r;
23
24	fido_init(0);
25
26	if ((dev = fido_dev_new()) == NULL)
27		errx(1, "fido_dev_new");
28
29	if ((r = fido_dev_open(dev, path)) != FIDO_OK)
30		errx(1, "fido_dev_open: %s (0x%x)", fido_strerr(r), r);
31
32	if ((r = fido_dev_set_pin(dev, pin, oldpin)) != FIDO_OK)
33		errx(1, "fido_dev_set_pin: %s (0x%x)", fido_strerr(r), r);
34
35	if ((r = fido_dev_close(dev)) != FIDO_OK)
36		errx(1, "fido_dev_close: %s (0x%x)", fido_strerr(r), r);
37
38	fido_dev_free(&dev);
39}
40
41int
42main(int argc, char **argv)
43{
44	if (argc < 3 || argc > 4) {
45		fprintf(stderr, "usage: setpin <pin> [oldpin] <device>\n");
46		exit(EXIT_FAILURE);
47	}
48
49	if (argc == 3)
50		setpin(argv[2], argv[1], NULL);
51	else
52		setpin(argv[3], argv[1], argv[2]);
53
54	exit(0);
55}
56