---
openwrt_variant: openwrt
openwrt_release: 19.07.7
openwrt_arch: x86
openwrt_target: geode
openwrt_profile: Generic
openwrt_output_image_suffixes:
  - "combined-ext4.img.gz"

openwrt_packages_remove:
  - ppp
  - ppp-mod-pppoe
  - firewall
  - dnsmasq
  - odhcpd-ipv6only
openwrt_packages_add:
  - kmod-ipt-nat
  - kmod-ipt-conntrack
  - haveged
  - htop
  - ip
  - less
  - nano
  - tcpdump-mini
  - iperf
  - iperf3
  - mtr
  - iptraf-ng


openwrt_mixin:
  /etc/dropbear/authorized_keys:
    content: "{{ ssh_keys_root | join('\n') }}\n"

  /etc/htoprc:
    file: "{{ global_files_dir }}/common/htoprc"

  /etc/rc.d/S22network-fw:
    link: "../init.d/network-fw"

  /etc/rc.d/K92network-fw:
    link: "../init.d/network-fw"

  /etc/init.d/network-fw:
    mode: "0755"
    content: |
      #!/bin/sh /etc/rc.common

      START=22
      STOP=91

      start() {
        WAN_IF=$(uci get network.wan.ifname)
        LAN_IF=$(uci get network.lan.ifname)
        LAN_IP=$(uci get network.lan.ipaddr)
        LAN_MASK=$(uci get network.lan.netmask)

        iptables -A INPUT -i lo -d 127.0.0.0/8 -s 127.0.0.0/8 -j ACCEPT

        ### external incoming
        iptables -A INPUT -i "$WAN_IF" -p icmp -j ACCEPT
        iptables -A INPUT -i "$WAN_IF" -p tcp --dport {{ ansible_port }} -j ACCEPT
        iptables -A INPUT -i "$WAN_IF" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT

        ### internal
        iptables -A INPUT -i "$LAN_IF" -p udp --dport 67 --sport 68 -j ACCEPT
        iptables -A INPUT -i "$LAN_IF" -p udp --dport 53 -d "$LAN_IP" -s "$LAN_IP/$LAN_MASK" -j ACCEPT
        iptables -A INPUT -i "$LAN_IF" -p tcp --dport 53 -d "$LAN_IP" -s "$LAN_IP/$LAN_MASK" -j ACCEPT

        iptables -A INPUT -i "$LAN_IF" -p icmp -d "$LAN_IP" -s "$LAN_IP/$LAN_MASK" -j ACCEPT
        iptables -A INPUT -i "$LAN_IF" -p tcp --dport {{ ansible_port }} -d "$LAN_IP" -s "$LAN_IP/$LAN_MASK" -j ACCEPT
        iptables -A INPUT -i "$LAN_IF" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT

        iptables -A FORWARD -i "$LAN_IF" -o "$WAN_IF" -s "$LAN_IP/$LAN_MASK" -j ACCEPT
        iptables -A FORWARD -i "$WAN_IF" -o "$LAN_IF" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
        iptables -t nat -A POSTROUTING -o "$WAN_IF" -s "$LAN_IP/$LAN_MASK" -j MASQUERADE

        ### default policies
        iptables -P INPUT DROP
        iptables -P FORWARD DROP
      }

      stop() {
        iptables -P INPUT ACCEPT
        iptables -F INPUT
        iptables -P FORWARD ACCEPT
        iptables -F FORWARD
        iptables -t nat -F POSTROUTING
      }

openwrt_uci:
  system:
    - name: system
      options:
        hostname: '{{ host_name }}'
        timezone: 'CET-1CEST,M3.5.0,M10.5.0/3'
        ttylogin: '0'
        log_size: '64'
        urandom_seed: '0'

    - name: timeserver 'ntp'
      options:
        enabled: '1'
        enable_server: '0'
        server:
          - '0.lede.pool.ntp.org'
          - '1.lede.pool.ntp.org'
          - '2.lede.pool.ntp.org'
          - '3.lede.pool.ntp.org'

  dropbear:
    - name: dropbear
      options:
        PasswordAuth: 'off'
        RootPasswordAuth: 'off'
        Port: '{{ ansible_port }}'

  network:
    - name: globals 'globals'
      options:
        ula_prefix: "fc{{ '%02x:%04x:%04x' | format((255 | random(seed=inventory_hostname + '0')), (65535 | random(seed=inventory_hostname + '1')), (65535 | random(seed=inventory_hostname + '2'))) }}::/48"

    - name: interface 'loopback'
      options:
        ifname: lo
        proto: static
        ipaddr: 127.0.0.1
        netmask: 255.0.0.0

    - name: interface 'wan'
      options:
        ifname: eth0
        proto: static
        ipaddr: "{{ network_zones.r3_ff.prefix | ipaddr(network_zones.r3_ff.offsets[inventory_hostname]) | ipaddr('address') }}"
        netmask: "{{ network_zones.r3_ff.prefix | ipaddr('netmask') }}"
        gateway: "{{ network_zones.r3_ff.gateway }}"
        dns: "{{ network_zones.r3_ff.dns }}"

    - name: interface 'lan'
      options:
        ifname: eth1
        proto: static
        ipaddr: "{{ network_zones.r3_lan.prefix | ipaddr(network_zones.r3_lan.offsets[inventory_hostname]) | ipaddr('address') }}"
        netmask: "{{ network_zones.r3_lan.prefix | ipaddr('netmask') }}"

    - name: interface 'unused'
      options:
        ifname: eth2
        proto: none