static int get_import_args()

in src/tools/import_pub_key.c [41:103]

• 49 lines of code
• 11 McCabe index (conditional complexity)

static int get_import_args(int argc, char **argv, struct import_args *args) {
    if (!args || !argv) {
        return -1;
    }

    int c;
    char *pin = NULL;
    char *library = NULL;
    char *pem_file = NULL;

    while (1) {
        static struct option long_options[] =
                {
                        {"pin",     required_argument, 0, 0},
                        {"library", required_argument, 0, 0},
                        {"pem", required_argument, 0, 0},
                        {0, 0,                         0, 0}
                };

        int option_index = 0;

        c = getopt_long(argc, argv, "",
                        long_options, &option_index);

        if (c == -1)
            break;

        switch (option_index) {
            case 0:
                pin = optarg;
                break;

            case 1:
                library = optarg;
                break;

            case 2:
                pem_file = optarg;
                break;

            default:
                printf("Unknown arguments");
                show_help();
                return -1;
        }
    }

    if (!pin || !pem_file ) {
        show_help();
        return -1;
    }

    args->pin = pin;
    args->library = library;
    args->pem_file = pem_file;

    // Default to the standard CloudHSM PKCS#11 library location.
    if (!args->library) {
        args->library = "/opt/cloudhsm/lib/libcloudhsm_pkcs11.so";
    }

    return 0;
}