---
- hosts:
    - 127.0.0.1
  become: yes
  vars:
    pwnagotchi:
      hostname: "{{ lookup('env', 'PWN_HOSTNAME') | default('pwnagotchi', true) }}"
      version: "{{ lookup('env', 'PWN_VERSION') | default('master', true) }} "
    system:
      boot_options:
        - "dtoverlay=dwc2"
        - "dtparam=spi=on"
        - "dtoverlay=spi1-3cs"
    services:
      enable:
        - dphys-swapfile.service
        - pwnagotchi.service
        - bettercap.service
      disable:
        - apt-daily.timer
        - apt-daily.service
        - apt-daily-upgrade.timer
        - apt-daily-upgrade.service
        - wpa_supplicant.service
        - bluetooth.service
        - triggerhappy.service
        - ifup@wlan0.service
    packages:
      apt:
        remove:
          - rasberrypi-net-mods
          - dhcpcd5
          - triggerhappy
          - wpa_supplicant
          - nfs-common
        install:
          - vim
          - screen
          - golang
          - git
          - build-essential
          - python3-pip
          - python3-mpi4py
          - unzip
          - gawk
          - libopenmpi-dev
          - libatlas-base-dev
          - libjasper-dev
          - libqtgui4
          - libqt4-test
          - libopenjp2-7
          - libtiff5
          - tcpdump
          - lsof
          - libilmbase23
          - libopenexr23
          - libgstreamer1.0-0
          - libavcodec58
          - libavformat58
          - libswscale5
          - libpcap-dev
          - libusb-1.0-0-dev
          - libnetfilter-queue-dev
          - libopenmpi3
          - dphys-swapfile
          - kalipi-kernel
          - kalipi-bootloader
          - kalipi-re4son-firmware
          - kalipi-kernel-headers
          - libraspberrypi0
          - libraspberrypi-dev
          - libraspberrypi-doc
          - libraspberrypi-bin
          - fonts-dejavu
          - fonts-dejavu-core
          - fonts-dejavu-extra
          - python3-pil

    bettercap:
      query: "assets[?contains(name, 'armv6l')].browser_download_url"

  tasks:

  - name: selected hostname
    debug:
      msg: "{{ pwnagotchi.hostname }}"

  - name: build version
    debug:
      msg: "{{ pwnagotchi.version }}"

  - name: change hostname
    hostname:
      name: "{{pwnagotchi.hostname}}"

  - name: add hostname to /etc/hosts
    lineinfile:
      dest: /etc/hosts
      regexp: '^127\.0\.0\.1[ \t]+localhost'
      line: '127.0.0.1 localhost {{pwnagotchi.hostname}} {{pwnagotchi.hostname}}.local'
      state: present

  - name: Add re4son-kernel repo key
    apt_key:
      url: https://re4son-kernel.com/keys/http/archive-key.asc
      state: present

  - name: Add re4son-kernel repository
    apt_repository:
      repo: deb http://http.re4son-kernel.com/re4son/ kali-pi main
      state: present

  - name: update apt package cache
    apt:
      update_cache: yes

  - name: remove unecessary apt packages
    apt:
      name: "{{ packages.apt.remove }}"
      state: absent
      purge: yes

  - name: upgrade apt distro
    apt:
      upgrade: dist

  - name: install packages
    apt:
      name: "{{ packages.apt.install }}"
      state: present

  - name: configure dphys-swapfile
    file:
      path: /etc/dphys-swapfile
      content: "CONF_SWAPSIZE=1024"

  - name: acquire python3 pip target
    command: "python3 -c 'import sys;print(sys.path.pop())'"
    register: pip_target

  - name: clone pwnagotchi repository
    git:
      repo: https://github.com/evilsocket/pwnagotchi.git
      dest: /usr/local/src/pwnagotchi

  - name: build pwnagotchi wheel
    command: "python3 setup.py sdist bdist_wheel"
    args:
      chdir: /usr/local/src/pwnagotchi

  - name: install opencv-python
    pip:
      name: "https://www.piwheels.hostedpi.com/simple/opencv-python/opencv_python-3.4.3.18-cp37-cp37m-linux_armv6l.whl"
      extra_args: "--no-deps --no-cache-dir --platform=linux_armv6l --only-binary=:all: --target={{ pip_target.stdout }}"

  - name: install tensorflow
    pip:
      name: "https://www.piwheels.hostedpi.com/simple/tensorflow/tensorflow-1.13.1-cp37-none-linux_armv6l.whl"
      extra_args: "--no-deps --no-cache-dir --platform=linux_armv6l --only-binary=:all: --target={{ pip_target.stdout }}"

  - name: install pwnagotchi wheel and dependencies
    pip:
      name: "{{ lookup('fileglob', '/usr/local/src/pwnagotchi/dist/pwnagotchi*.whl') }}"
      extra_args: "--no-cache-dir"

  - name: fetch bettercap release information
    uri:
      url: https://api.github.com/repos/bettercap/bettercap/releases/latest
      return_content: yes
    register: bettercap_release

  - name: download and install bettercap
    unarchive:
      src: "{{ bettercap_release.content | from_json | json_query(bettercap.query) | first }}"
      dest: /usr/bin
      remote_src: yes
      exclude:
        - README.md
        - LICENSE.md
      mode: 0755

  - name: clone bettercap caplets
    git:
      repo: https://github.com/bettercap/caplets.git
      dest: /tmp/caplets

  - name: install bettercap caplets
    make:
      chdir: /tmp/caplets
      target: install

  - name: create cpuusage script
    copy:
      dest: /usr/bin/cpuusage
      mode: 0755
      content: |
        #!/usr/bin/env bash
        while true
        do
          top -b -n1 | awk '/Cpu\(s\)/ { printf("%d %", $2 + $4 + 0.5) }'
          sleep 3
        done

  - name: create memusage script
    copy:
      dest: /usr/bin/memusage
      mode: 0755
      content: |
        #!/usr/bin/env bash
        free -m | awk '/Mem/ { printf( "%d %", $3 / $2 * 100 + 0.5 ) }'

  - name: create bootblink script
    copy:
      dest: /usr/bin/bootblink
      mode: 0755
      content: |
        #!/usr/bin/env bash
        for i in $(seq 1 "$1");
        do
        echo 0 >/sys/class/leds/led0/brightness
        sleep 0.3
        echo 1 >/sys/class/leds/led0/brightness
        sleep 0.3
        done
        echo 0 >/sys/class/leds/led0/brightness
        sleep 0.3

  - name: create pwnagotchi-launcher script
    copy:
      dest: /usr/bin/pwnagotchi-launcher
      mode: 0755
      content: |
        #!/usr/bin/env bash
        # blink 10 times to signal ready state
        /usr/bin/bootblink 10 &
        # start a detached screen session with bettercap
        if ifconfig | grep usb0 | grep RUNNING; then
          /usr/local/bin/pwnagotchi --manual
        else
          /usr/local/bin/pwnagotchi
        fi

  - name: create monstart script
    copy:
      dest: /usr/bin/monstart
      mode: 0755
      content: |
        #!/usr/bin/env bash
        iw phy phy0 interface add mon0 type monitor && ifconfig mon0 up

  - name: create monstop script
    copy:
      dest: /usr/bin/monstop
      mode: 0755
      content: |
        #!/usr/bin/env bash
        ifconfig mon0 down && iw dev mon0 del

  - name: create hdmion script
    copy:
      dest: /usr/bin/hdmion
      mode: 0755
      content: |
        #!/usr/bin/env bash
        sudo /opt/vc/bin/tvservice -p

  - name: create hdmioff script
    copy:
      dest: /usr/bin/hdmioff
      mode: 0755
      content: |
        #!/usr/bin/env bash
        sudo /opt/vc/bin/tvservice -o

  - name: add HDMI powersave to rc.local
    blockinfile:
      path: /etc/rc.local
      insertbefore: "exit 0"
      block: |
        if ! /opt/vc/bin/tvservice -s | grep HDMI; then
          /opt/vc/bin/tvservice -o
        fi

  - name: create /etc/pwnagotchi/config.yml
    blockinfile:
      path: /etc/pwnagotchi/config.yml
      create: yes
      block: |
        # put here your custom configuration overrides

  - name: configure lo interface
    blockinfile:
      path: /etc/network/interfaces.d/lo-cfg
      create: yes
      block: |
        auto lo
        iface lo inet loopback

  - name: configure wlan interface
    blockinfile:
      path: /etc/network/interfaces.d/wlan0-cfg
      create: yes
      block: |
        allow-hotplug wlan0
        iface wlan0 inet static

  - name: configure usb interface
    blockinfile:
      path: /etc/network/interfaces.d/usb0-cfg
      create: yes
      block: |
        allow-hotplug usb0
        iface usb0 inet static
          address 10.0.0.2
          netmask 255.255.255.0
          network 10.0.0.0
          broadcast 10.0.0.255
          gateway 10.0.0.1

  - name: configure eth0 interface (pi2/3/4)
    blockinfile:
      path: /etc/network/interfaces.d/eth0-cfg
      create: yes
      block: |
        allow-hotplug eth0
        iface eth0 inet dhcp

  - name: enable ssh on boot
    file:
      path: /boot/ssh
      state: touch

  - name: adjust /boot/config.txt
    lineinfile:
      dest: /boot/config.txt
      insertafter: EOF
      line: '{{ item }}'
    with_items:
      - "{{system.boot_options}}"

  - name: change root partition
    replace:
      dest: /boot/cmdline.txt
      backup: no
      regexp: "root=PARTUUID=[a-zA-Z0-9\\-]+"
      replace: "root=/dev/mmcblk0p2"

  - name: configure /boot/cmdline.txt
    lineinfile:
      path: /boot/cmdline.txt
      backrefs: True
      state: present
      backup: no
      regexp: '(.*)$'
      line: '\1 modules-load=dwc2,g_ether'

  - name: configure motd
    copy:
      dest: /etc/motd
      content: "(◕‿‿◕) {{pwnagotchi.hostname}} (pwnagotchi-{{pwnagotchi.version}})"

  - name: clean apt cache
    apt:
      autoclean: yes

  - name: remove dependencies that are no longer required
    apt:
      autoremove: yes

  - name: add bettercap service to systemd
    copy:
      dest: /etc/systemd/system/bettercap.service
      content: |
        [Unit]
        Description=bettercap api.rest service.
        Documentation=https://bettercap.org
        Wants=network.target
        After=network.target

        [Service]
        Type=simple
        PermissionsStartOnly=true
        ExecStart=/usr/bin/bettercap -no-colors -caplet pwnagotchi
        Restart=always
        RestartSec=30

        [Install]
        WantedBy=multi-user.target
    notify:
      - reload systemd services

  - name: add pwnagotchi service to systemd
    copy:
      dest: /etc/systemd/system/pwnagotchi.service
      content: |
        [Unit]
        Description=pwnagotchi Deep Reinforcement Learning instrumenting bettercap for WiFI pwning.
        Documentation=https://pwnagotchi.ai
        Wants=network.target
        After=bettercap.service

        [Service]
        Type=simple
        PermissionsStartOnly=true
        ExecStart=/usr/bin/pwnagotchi-launcher
        Restart=always
        RestartSec=30

        [Install]
        WantedBy=multi-user.target
    notify:
      - reload systemd services

  - name: enable services
    systemd:
      name: "{{ item }}"
      state: started
      enabled: yes
    with_items: "{{ services.enable }}"

  - name: disable unecessary services
    systemd:
      name: "{{ item }}"
      state: stopped
      enabled: no
    with_items: "{{ services.disable }}"

  - name: remove ssh keys
    file:
      state: absent
      path: "{{item}}"
    with_fileglob:
      - "/etc/ssh/ssh_host*_key*"

  handlers:
  - name: reload systemd services
    systemd:
      daemon_reload: yes