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