1 files changed, 44 insertions, 0 deletions
diff --git a/options.h b/options.h
new file mode 100644
index 0000000..828c680
--- /dev/null
+++ b/options.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2018 Robin Krahl <robin.krahl@ireas.org>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#ifndef NKOTP_OPTIONS_H
+#define NKOTP_OPTIONS_H
+
+#include <stddef.h>
+
+enum mode {
+	MODE_NONE,
+	MODE_GENERATE
+};
+
+enum algorithm {
+	ALGORITHM_DEFAULT,
+	ALGORITHM_HOTP,
+	ALGORITHM_TOTP
+};
+
+enum model {
+	MODEL_DEFAULT,
+	MODEL_AUTO,
+	MODEL_PRO,
+	MODEL_STORAGE
+};
+
+struct options {
+	enum algorithm alg;
+	char *cfg_file;
+	char model;
+	int slot;
+	enum mode mode;
+};
+
+static const size_t MAX_SLOT_HOTP = 3;
+static const size_t MAX_SLOT_TOTP = 15;
+
+int parse_options(int argc, char **argv, struct options *options);
+void free_options(struct options *options);
+
+#endif