version: "3.7"
services:

  # EncFS for /onion
  sf-encfs-www:
    build: encfs
    image: sf-encfs
    restart: ${SF_RESTART:-on-failure}
    cap_add:
      - SYS_ADMIN
    security_opt:
      - apparmor:unconfined
    environment:
      - SF_SEED
      - SF_DEBUG
    command: ["/mount.sh", "server", "www"]
    network_mode: none
    devices:
      - "/dev/fuse:/dev/fuse"
    volumes:
      - "${SF_BASEDIR:-.}/config/etc/seed:/config/etc/seed"
      - "${SF_BASEDIR:-.}/data/www-root:/raw"
      - "${SF_SHMDIR:-/dev/shm/sf}/encfs-sec/www-root:/sec:shared"

  # EncFS for /everyone
  # This needs to be separated so that a compromise of ngingx does not
  # allow the attacker to see /everyone of everyone.
  sf-encfs-everyone:
    build: encfs
    image: sf-encfs
    restart: ${SF_RESTART:-on-failure}
    cap_add:
      - SYS_ADMIN
    security_opt:
      - apparmor:unconfined
    environment:
      - SF_SEED
      - SF_DEBUG
    command: ["/mount.sh", "server", "everyone"]
    network_mode: none
    devices:
      - "/dev/fuse:/dev/fuse"
    volumes:
      - "${SF_BASEDIR:-.}/config/etc/seed:/config/etc/seed"
      - "${SF_BASEDIR:-.}/data/everyone-root:/raw"
      - "${SF_SHMDIR:-/dev/shm/sf}/encfs-sec/everyone-root:/sec:shared"

  dns-doh:
    image: crazymax/cloudflared
    restart: ${SF_RESTART:-on-failure}
    networks:
      dns-doh-net:
        ipv4_address: 172.23.0.2

  dnsmasq:
    image: 4km3/dnsmasq:2.85-r2
    cap_add:
      - NET_ADMIN
    command: ["--no-resolv", "--domain-needed", "--server=172.23.0.2#5053", "--server=/onion/172.20.0.111#5353"]
    networks:
      vpn-net:
        ipv4_address: 172.20.0.252
      dns-doh-net:
        ipv4_address: 172.23.0.252
      guest-net:
        ipv4_address: 10.11.255.252
      access-net:
        ipv4_address: 172.22.0.252
    restart: ${SF_RESTART:-on-failure}
    depends_on:
      - dns-doh

  nordlynx:
    # image: ghcr.io/bubuntux/nordlynx
    build: nordvpn
    image: sf-nordvpn
    depends_on:
      - dnsmasq
    dns: 172.20.0.252
    cap_add:
      - NET_ADMIN #required
    environment:
      - PRIVATE_KEY=${SF_NORDVPN_PRIVATE_KEY:-}
      - POST_UP=/sf/bin/vpn_wg2status.sh /sf/run/vpn/status-nordlynx.log post_up %i
      - POST_DOWN=/sf/bin/vpn_wg2status.sh /sf/run/vpn/status-nordlynx.log post_down %i
      - RECONNECT=604800 # Re-Connect every 7 days
    networks:
      vpn-net:
        ipv4_address: 172.20.0.254
      # dns-doh-net:
      #   ipv4_address: 172.23.0.254
    sysctls:
      - net.ipv6.conf.all.disable_ipv6=1
      # - net.ipv4.conf.all.src_valid_mark=1
      - net.ipv4.ip_forward=1
    restart: ${SF_RESTART:-on-failure}
    volumes:
      - "${SF_SHMDIR:-/dev/shm/sf}/run/vpn:/sf/run/vpn"  # Between all VPNs
      - "${SF_SHMDIR:-/dev/shm/sf}/config-for-guest:/config/guest" # vpn_status to guest

  router:
    build: router
    image: sf-router
    depends_on:
      - router-fix-network
    networks:
      incoming-net:
        ipv4_address: 172.28.0.2
      vpn-net:
        ipv4_address: 172.20.0.2
      guest-net:
        ipv4_address: 10.11.255.253 # Will be replaced by init.sh with 10.11.0.1
      access-net:
        ipv4_address: 172.22.0.254
      dmz-net:
        ipv4_address: 172.20.1.254
    cap_add:
      - NET_ADMIN
    sysctls:
      - net.ipv4.conf.all.src_valid_mark=1 # SNAT
    ports:
      - "${SF_SSH_PORT:-22}:22"
    environment:
      - SF_DEBUG
      - SF_MAXOUT
      - SF_MAXIN
    restart: ${SF_RESTART:-on-failure}
    volumes:
      - "${SF_SHMDIR:-/dev/shm/sf}/run/vpn:/sf/run/vpn"
      - "${SF_BASEDIR:-.}/config/etc/tc:/config/tc:ro"
    entrypoint: ["/init.sh"]

  router-fix-network:
    build: router
    image: sf-router
    network_mode: host # host's stack
    cap_add:
      - NET_ADMIN
    environment:
      - SF_DEBUG
    restart: ${SF_RESTART:-on-failure}:1
    entrypoint: ["/fix-network.sh"]

  tor:
    build: tor
    image: sf-tor
    networks:
      vpn-net:
        ipv4_address: 172.20.0.111
    cap_add:
      - NET_ADMIN    
    restart: ${SF_RESTART:-on-failure}
    dns: 172.20.0.252
    depends_on:
      - dnsmasq
      - nginx
    volumes:
      - "${SF_BASEDIR:-.}/config/${SF_FQDN:-SF_FQDN-NOT-SET.hack.segfault.net}/tor/hidden:/var/lib/tor/hidden"
      - "${SF_BASEDIR:-.}/config/etc/tor:/config/tor:ro"
      - "${SF_SHMDIR:-/dev/shm/sf}/config-for-guest:/config/guest"

  gsnc:
    build: gsnc
    image: sf-gsnc
    networks:
      access-net:
        ipv4_address: 172.22.0.21
    dns: 172.22.0.252
    cap_add:
      - NET_ADMIN # need to set default route
    depends_on:
      - dnsmasq
      - router
    restart: ${SF_RESTART:-on-failure}
    environment:
      - SF_SSH_PORT=${SF_SSH_PORT:-22}
      - SF_FQDN=${SF_FQDN:-SF_FQDN-NOT-SET.hack.segfault.net}
      - SF_DEBUG
      - SF_SEED
    volumes:
      - "${SF_SHMDIR:-/dev/shm/sf}/config-for-guest:/config/guest"
      - "${SF_BASEDIR:-.}/config/etc/seed:/config/etc/seed"
    entrypoint: ["/sf-gsnc.sh", "172.22.0.22"]

  segfault:
    build: host
    image: sf-host
    # /bin/segfaultsh need to know the container name; set it to sf-host statically
    container_name: sf-host
    networks:
      access-net:
        ipv4_address: 172.22.0.22
    dns: 172.22.0.252
    cap_add:
      - NET_ADMIN # need to set default route
    depends_on:
      - dnsmasq
      - router
      - sf-encfs-everyone
    restart: ${SF_RESTART:-on-failure}
    init: true
    # SSHD clears all environment variables before spwaning a shell (segfaultsh).
    # Add any variables to docker_sshd.sh as well.
    environment:
      - SF_DNS=10.11.255.252
      - SF_TOR=172.20.0.111
      - SF_BASEDIR=${SF_BASEDIR}
      - SF_SHMDIR=${SF_SHMDIR:-/dev/shm/sf}
      - SF_USER=${SF_USER:-root}
      - SF_USER_PASSWORD=${SF_USER_PASSWORD:-segfault}
      - SF_FQDN=${SF_FQDN:-SF_FQDN-NOT-SET.hack.segfault.net}
      - SF_SEED
      - SF_DEBUG
    volumes:
      - "${SF_BASEDIR:-.}/config:/config"
      - "${SF_BASEDIR:-.}/sfbin/wait_semaphore.sh:/sf/bin/wait_semaphore.sh:ro"
      - "${SF_SHMDIR:-/dev/shm/sf}/encfs-sec/www-root:/sec/www-root:slave"
      - "${SF_SHMDIR:-/dev/shm/sf}/config-for-guest:/config/guest"
      - "/var/run/docker.sock:/var/run/docker.sock"

  nginx:
    image: nginx
    restart: ${SF_RESTART:-on-failure}
    depends_on:
      - sf-encfs-www
    entrypoint: ["/sf/bin/wait_semaphore.sh", "/sec/.IS-ENCRYPTED", "nginx", "-g", "daemon off;"]
    networks:
      dmz-net:
        ipv4_address: 172.20.1.80
    dns: 255.255.255.255
    cap_add:
      - NET_ADMIN # need to set default route
    volumes:
      - "${SF_BASEDIR:-.}/sfbin/wait_semaphore.sh:/sf/bin/wait_semaphore.sh:ro"
      - "${SF_SHMDIR:-/dev/shm/sf}/encfs-sec/www-root:/sec:slave,ro"
      - "${SF_BASEDIR:-.}/config/etc/nginx/nginx.conf:/etc/nginx/nginx.conf:ro"

networks:
  vpn-net:
    name: sf-vpn
    driver: bridge
    ipam:
      driver: default
      config:
      - subnet: 172.20.0.0/24

  incoming-net:
    driver: bridge
    ipam:
      driver: default
      config:
      - subnet: 172.28.0.0/24

  access-net:
    name: sf-access
    driver: bridge
    ipam:
      driver: default
      config:
      - subnet: 172.22.0.0/24

  dmz-net:
    name: sf-dmz
    driver: bridge
    ipam:
      config:
        - subnet: 172.20.1.0/24

  dns-doh-net:
    name: sf-dns-doh
    driver: bridge
    ipam:
      config:
        - subnet: 172.23.0.0/24

  # User's shell
  guest-net:
    name: sf-guest
    driver: bridge
    ipam:
      driver: default
      config:
        - subnet: 10.11.0.0/16
        # default gw is always 10.11.0.1 and is the host side of the bridge (?)