1 files changed, 59 insertions, 0 deletions

diff --git a/examples/setpin.c b/examples/setpin.c
new file mode 100644
index 0000000..75d3d4a
--- /dev/null
+++ b/examples/setpin.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2018 Yubico AB. All rights reserved.
+ * Use of this source code is governed by a BSD-style
+ * license that can be found in the LICENSE file.
+ */
+
+/*
+ * Configure a PIN on a given authenticator.
+ */
+
+#include <openssl/ec.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "../openbsd-compat/openbsd-compat.h"
+
+#include "fido.h"
+
+static void
+setpin(const char *path, const char *pin, const char *oldpin)
+{
+        fido_dev_t *dev;
+        int r;
+
+        fido_init(0);
+
+        if ((dev = fido_dev_new()) == NULL)
+                errx(1, "fido_dev_new");
+
+        if ((r = fido_dev_open(dev, path)) != FIDO_OK)
+                errx(1, "fido_dev_open: %s (0x%x)", fido_strerr(r), r);
+
+        if ((r = fido_dev_set_pin(dev, pin, oldpin)) != FIDO_OK)
+                errx(1, "fido_setpin: %s (0x%x)", fido_strerr(r), r);
+
+        if ((r = fido_dev_close(dev)) != FIDO_OK)
+                errx(1, "fido_dev_close: %s (0x%x)", fido_strerr(r), r);
+
+        fido_dev_free(&dev);
+}
+
+int
+main(int argc, char **argv)
+{
+        if (argc < 3 || argc > 4) {
+                fprintf(stderr, "usage: setpin <pin> [oldpin] <device>\n");
+                exit(EXIT_FAILURE);
+        }
+
+        if (argc == 3)
+                setpin(argv[2], argv[1], NULL);
+        else
+                setpin(argv[3], argv[1], argv[2]);
+
+        exit(0);
+}