int guacd_conf_parse_args()

in src/guacd/conf-args.c [34:126]

• 65 lines of code
• 13 McCabe index (conditional complexity)

int guacd_conf_parse_args(guacd_config* config, int argc, char** argv) {

    /* Parse arguments */
    int opt;
    while ((opt = getopt(argc, argv, "l:b:p:L:C:K:fv")) != -1) {

        /* -l: Bind port */
        if (opt == 'l') {
            guac_mem_free(config->bind_port);
            config->bind_port = guac_strdup(optarg);
        }

        /* -b: Bind host */
        else if (opt == 'b') {
            guac_mem_free(config->bind_host);
            config->bind_host = guac_strdup(optarg);
        }

        /* -f: Run in foreground */
        else if (opt == 'f') {
            config->foreground = 1;
        }

        /* -v: Print version and exit */
        else if (opt == 'v') {
            config->print_version = 1;
        }

        /* -p: PID file */
        else if (opt == 'p') {
            guac_mem_free(config->pidfile);
            config->pidfile = guac_strdup(optarg);
        }

        /* -L: Log level */
        else if (opt == 'L') {

            /* Validate and parse log level */
            int level = guacd_parse_log_level(optarg);
            if (level == -1) {
                fprintf(stderr, "Invalid log level. Valid levels are: \"trace\", \"debug\", \"info\", \"warning\", and \"error\".\n");
                return 1;
            }

            config->max_log_level = level;

        }

#ifdef ENABLE_SSL
        /* -C SSL certificate */
        else if (opt == 'C') {
            guac_mem_free(config->cert_file);
            config->cert_file = guac_strdup(optarg);
        }

        /* -K SSL key */
        else if (opt == 'K') {
            guac_mem_free(config->key_file);
            config->key_file = guac_strdup(optarg);
        }
#else
        else if (opt == 'C' || opt == 'K') {
            fprintf(stderr,
                    "This guacd does not have SSL/TLS support compiled in.\n\n"

                    "If you wish to enable support for the -%c option, please install libssl and\n"
                    "recompile guacd.\n",
                    opt);
            return 1;
        }
#endif
        else {

            fprintf(stderr, "USAGE: %s"
                    " [-l LISTENPORT]"
                    " [-b LISTENADDRESS]"
                    " [-p PIDFILE]"
                    " [-L LEVEL]"
#ifdef ENABLE_SSL
                    " [-C CERTIFICATE_FILE]"
                    " [-K PEM_FILE]"
#endif
                    " [-f]"
                    " [-v]\n", argv[0]);

            return 1;
        }
    }

    /* Success */
    return 0;

}