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 /* 8 * Get an authenticator's number of PIN attempts left. 9 */ 10 11 #include <openssl/ec.h> 12 13 #include <stdbool.h> 14 #include <stdio.h> 15 #include <stdlib.h> 16 17 #include "../openbsd-compat/openbsd-compat.h" 18 19 #include "fido.h" 20 21 int 22 main(int argc, char **argv) 23 { 24 fido_dev_t *dev; 25 int n; 26 int r; 27 28 if (argc != 2) { 29 fprintf(stderr, "usage: retries <device>\n"); 30 exit(EXIT_FAILURE); 31 } 32 33 fido_init(0); 34 35 if ((dev = fido_dev_new()) == NULL) 36 errx(1, "fido_dev_new"); 37 38 if ((r = fido_dev_open(dev, argv[1])) != FIDO_OK) 39 errx(1, "fido_open: %s (0x%x)", fido_strerr(r), r); 40 41 if ((r = fido_dev_get_retry_count(dev, &n)) != FIDO_OK) 42 errx(1, "fido_get_retries: %s (0x%x)", fido_strerr(r), r); 43 44 if ((r = fido_dev_close(dev)) != FIDO_OK) 45 errx(1, "fido_close: %s (0x%x)", fido_strerr(r), r); 46 47 fido_dev_free(&dev); 48 49 printf("%d\n", n); 50 51 exit(0); 52 } 53