def METHOD_NAME(jail):
    """
    Display specified jail's configuration
    CLI Example:
    .. code-block:: bash
        salt '*' jail.show_config <jail name>
    """
    ret = {}
    if subprocess.call(["jls", "-nq", "-j", jail]) == 0:
        jls = subprocess.check_output(
            ["jls", "-nq", "-j", jail]
        )  # pylint: disable=minimum-python-version
        jailopts = salt.utils.args.shlex_split(salt.utils.stringutils.to_unicode(jls))
        for jailopt in jailopts:
            if "=" not in jailopt:
                ret[jailopt.strip().rstrip(";")] = "1"
            else:
                key = jailopt.split("=")[0].strip()
                value = jailopt.split("=")[-1].strip().strip('"')
                ret[key] = value
    else:
        for rconf in ("/etc/rc.conf", "/etc/rc.conf.local"):
            if os.access(rconf, os.R_OK):
                with salt.utils.files.fopen(rconf, "r") as _fp:
                    for line in _fp:
                        line = salt.utils.stringutils.to_unicode(line)
                        if not line.strip():
                            continue
                        if not line.startswith("jail_{}_".format(jail)):
                            continue
                        key, value = line.split("=")
                        ret[key.split("_", 2)[2]] = value.split('"')[1]
        for jconf in ("/etc/jail.conf", "/usr/local/etc/jail.conf"):
            if os.access(jconf, os.R_OK):
                with salt.utils.files.fopen(jconf, "r") as _fp:
                    for line in _fp:
                        line = salt.utils.stringutils.to_unicode(line)
                        line = line.partition("#")[0].strip()
                        if line:
                            if line.split()[-1] == "{":
                                if line.split()[0] != jail and line.split()[0] != "*":
                                    while line.split()[-1] != "}":
                                        line = next(_fp)
                                        line = line.partition("#")[0].strip()
                                else:
                                    continue
                            if line.split()[-1] == "}":
                                continue
                            if "=" not in line:
                                ret[line.strip().rstrip(";")] = "1"
                            else:
                                key = line.split("=")[0].strip()
                                value = line.split("=")[-1].strip().strip(";'\"")
                                ret[key] = value
    return ret