#!/bin/sh
#
# Description: Upgrade configuration to new convention
# Usage: upgrade-config [<jailname>|all]
#

# shellcheck source=./includes
LIBDIR="$(dirname $0)" && . "${LIBDIR}/includes"

jail_name="${1:?}"
if [ ! -n "${jail_name}" ]; then
    show_help && exit 1
fi
jail_path=$(jail_path "${jail_name}")

test -d "${jail_path}" || error "${jail_name}: jail not found" 2

legacy_incs_policy_file="${CONFDIR}/${jail_name}"
incs_policy_file=$(jail_incs_policy_file "${jail_name}")

if [ -h "${legacy_incs_policy_file}" ]; then
    if [ -f "${incs_policy_file}" ]; then
        info "${jail_name}: config is already upgraded"
    else
        warning "${jail_name}: symlink present but inc policy file \`${incs_policy_file}' not found"
    fi
elif [ ! -e "${legacy_incs_policy_file}" ] ; then
    if [ -f "${incs_policy_file}" ]; then
        # create a symlink for backward compatibility
        ln -s "${incs_policy_file}" "${legacy_incs_policy_file}"

        info "${jail_name}: config has been symlinked"
    else
        warning "${jail_name}: inc policy file \`${incs_policy_file}' not found"
    fi
elif [ -f "${legacy_incs_policy_file}" ]; then
    # Create directory if missing
    mkdir -p "$(jail_config_dir "${jail_name}")"
    # move the main config file
    mv "${legacy_incs_policy_file}" "${incs_policy_file}"
    # create a symlink for backward compatibility
    ln -s "${incs_policy_file}" "${legacy_incs_policy_file}"
    # create a check_policy file if missing
    touch "$(jail_check_policy_file "${jail_name}")"

    info "${jail_name}: config has been upgraded"
fi

check_policy_file=$(jail_check_policy_file "${jail_name}")
if [ ! -f "${check_policy_file}" ]; then
    check_policy_tpl="${TPLDIR}/check_policy.tpl"
    test -f "${LOCALTPLDIR}/check_policy.tpl" && check_policy_tpl="${LOCALTPLDIR}/check_policy.tpl"
    mkdir --parents "$(dirname "${check_policy_file}")"
    install -m 0640 "${check_policy_tpl}" "${check_policy_file}"

    info "${jail_name}: check_policy template ha been installed"
fi

legacy_incs_policy_tpl="${LOCALTPLDIR}/inc.tpl"
incs_policy_tpl="${LOCALTPLDIR}/incs_policy.tpl"
if [ -f "${legacy_incs_policy_tpl}" ]; then
    # Create directory if missing
    mkdir -p "$(jail_config_dir "${jail_name}")"
    # move the main config file
    mv -f "${legacy_incs_policy_tpl}" "${incs_policy_tpl}"

    info "${jail_name}: incs_policy local template has been renamed"
fi