0afa8e065e
git-subtree-dir: contrib/libfido2 git-subtree-mainline:d586c978b9git-subtree-split:a58dee945a
144 lines
2.8 KiB
C
144 lines
2.8 KiB
C
/*
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* Copyright (c) 2018 Yubico AB. All rights reserved.
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* Use of this source code is governed by a BSD-style
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* license that can be found in the LICENSE file.
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*/
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#include <fido.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "../openbsd-compat/openbsd-compat.h"
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#include "extern.h"
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int
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pin_set(char *path)
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{
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fido_dev_t *dev = NULL;
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char prompt[1024];
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char pin1[1024];
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char pin2[1024];
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int r;
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int status = 1;
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dev = open_dev(path);
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r = snprintf(prompt, sizeof(prompt), "Enter new PIN for %s: ", path);
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if (r < 0 || (size_t)r >= sizeof(prompt)) {
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warnx("snprintf");
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goto out;
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}
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if (!readpassphrase(prompt, pin1, sizeof(pin1), RPP_ECHO_OFF)) {
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warnx("readpassphrase");
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goto out;
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}
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r = snprintf(prompt, sizeof(prompt), "Enter the same PIN again: ");
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if (r < 0 || (size_t)r >= sizeof(prompt)) {
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warnx("snprintf");
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goto out;
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}
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if (!readpassphrase(prompt, pin2, sizeof(pin2), RPP_ECHO_OFF)) {
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warnx("readpassphrase");
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goto out;
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}
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if (strcmp(pin1, pin2) != 0) {
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fprintf(stderr, "PINs do not match. Try again.\n");
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goto out;
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}
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if ((r = fido_dev_set_pin(dev, pin1, NULL)) != FIDO_OK) {
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warnx("fido_dev_set_pin: %s", fido_strerr(r));
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goto out;
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}
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fido_dev_close(dev);
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fido_dev_free(&dev);
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status = 0;
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out:
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explicit_bzero(pin1, sizeof(pin1));
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explicit_bzero(pin2, sizeof(pin2));
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exit(status);
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}
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int
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pin_change(char *path)
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{
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fido_dev_t *dev = NULL;
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char prompt[1024];
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char pin0[1024];
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char pin1[1024];
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char pin2[1024];
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int r;
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int status = 1;
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if (path == NULL)
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usage();
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dev = open_dev(path);
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r = snprintf(prompt, sizeof(prompt), "Enter current PIN for %s: ", path);
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if (r < 0 || (size_t)r >= sizeof(prompt)) {
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warnx("snprintf");
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goto out;
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}
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if (!readpassphrase(prompt, pin0, sizeof(pin0), RPP_ECHO_OFF)) {
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warnx("readpassphrase");
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goto out;
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}
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r = snprintf(prompt, sizeof(prompt), "Enter new PIN for %s: ", path);
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if (r < 0 || (size_t)r >= sizeof(prompt)) {
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warnx("snprintf");
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goto out;
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}
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if (!readpassphrase(prompt, pin1, sizeof(pin1), RPP_ECHO_OFF)) {
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warnx("readpassphrase");
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goto out;
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}
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r = snprintf(prompt, sizeof(prompt), "Enter the same PIN again: ");
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if (r < 0 || (size_t)r >= sizeof(prompt)) {
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warnx("snprintf");
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goto out;
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}
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if (!readpassphrase(prompt, pin2, sizeof(pin2), RPP_ECHO_OFF)) {
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warnx("readpassphrase");
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goto out;
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}
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if (strcmp(pin1, pin2) != 0) {
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fprintf(stderr, "PINs do not match. Try again.\n");
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goto out;
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}
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if ((r = fido_dev_set_pin(dev, pin1, pin0)) != FIDO_OK) {
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warnx("fido_dev_set_pin: %s", fido_strerr(r));
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goto out;
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}
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fido_dev_close(dev);
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fido_dev_free(&dev);
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status = 0;
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out:
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explicit_bzero(pin0, sizeof(pin0));
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explicit_bzero(pin1, sizeof(pin1));
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explicit_bzero(pin2, sizeof(pin2));
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exit(status);
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}
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