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      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 
     18 static void
     19 setpin(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 
     41 int
     42 main(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