if (cfg.host[0] == '\0') {
	/* No settings for this host; use defaults */
	strncpy(cfg.host, host, sizeof(cfg.host)-1);
	cfg.host[sizeof(cfg.host)-1] = '\0';
	cfg.port = 22;
    }

    if (portnumber)
	cfg.port = portnumber;

    /* Set username */
    if (user != NULL && user[0] != '\0') {
	strncpy(cfg.username, user, sizeof(cfg.username)-1);
	cfg.username[sizeof(cfg.username)-1] = '\0';
	cfg.port = 22;
    } else if (cfg.username[0] == '\0') {
	bump("Empty user name");
    }

    if (cfg.protocol != PROT_SSH)
	cfg.port = 22;

    if (portnumber)
	cfg.port = portnumber;

    err = ssh_init(cfg.host, cfg.port, cmd, &realhost);
    if (err != NULL)
	bump("ssh_init: %s", err);
    if (verbose && realhost != NULL)
	fprintf(stderr, "Connected to %s\n", realhost);

    connection_open = 1;