#!/bin/bash
#
#  Copyright (c) 2021, The OpenThread Authors.
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FIREWALL_SERVICE=/etc/init.d/otbr-firewall

sudo modprobe ip6table_filter || true

FIREWALL="${FIREWALL:-1}"

firewall_uninstall()
{
    with FIREWALL || return 0

    firewall_stop
    if have systemctl; then
        sudo systemctl disable otbr-firewall || true
    fi
    # systemctl disable doesn't remove sym-links
    if have update-rc.d; then
        sudo update-rc.d otbr-firewall remove || true
    fi
    test ! -f $FIREWALL_SERVICE || sudo rm $FIREWALL_SERVICE
}

firewall_install()
{
    with FIREWALL || return 0

    sudo cp script/otbr-firewall $FIREWALL_SERVICE
    sudo chmod a+x $FIREWALL_SERVICE
    if have systemctl; then
        sudo systemctl enable otbr-firewall || die 'Failed to enable firewall service!'
        sudo systemctl start otbr-firewall || die 'Failed to start firewall service!'
    fi
}

firewall_start()
{
    with FIREWALL || return 0

    if with DOCKER; then
        service otbr-firewall start || die 'Failed to start firewall service'
    elif have systemctl; then
        sudo systemctl start otbr-firewall || die 'Failed to start firewall service'
    fi
}

firewall_stop()
{
    with FIREWALL || return 0

    if with DOCKER; then
        service otbr-firewall stop || true
    elif have systemctl; then
        sudo systemctl stop otbr-firewall || true
    fi
}