---
- hosts:
    - 127.0.0.1
  gather_facts: true
  become: true
  vars:
    boards:
      - {
        kernel: "6.1.21+",
        name: "PiZeroW",
        firmware: "brcmfmac43430-sdio.bin",
        patch: "bcm43430a1/7_45_41_46",
        cpu: arm1176,
        arch_flags: "-arch armv6l"
        }
      - {
        kernel: "6.1.21-v7+",
        name: "PiZero2W",
        firmware: "brcmfmac43436-sdio.bin",
        patch: "bcm43436b0/9_88_4_65",
        cpu: any, #cortex-a53
        arch_flags: "-arch armv7l"
        }
      - {
        kernel: "6.1.21-v7l+",
        name: "Pi4b_32",
        firmware: "brcmfmac43455-sdio.bin",
        patch: "bcm43455c0/7_45_206",
        cpu: any, #cortex-a72
        arch_flags: "-arch armv7l"
        }
    kernel:
      min: "6.1"
      full: "6.1.21+"
      full_2w: "6.1.21-v7+"
      full_4b: "6.1.21-v7l+"
      arch: "v6l"
    pwnagotchi:
      hostname: "{{ lookup('env', 'PWN_HOSTNAME') | default('pwnagotchi', true) }}"
      version: "{{ lookup('env', 'PWN_VERSION') | default('pwnagotchi-torch', true) }}"
      custom_plugin_dir: "/usr/local/share/pwnagotchi/custom-plugins"
    services:
      enable:
        - bettercap.service
        - bluetooth.service
        - dphys-swapfile.service
        - fstrim.timer
        - pwnagotchi.service
        - pwngrid-peer.service
      disable:
        - apt-daily-upgrade.service
        - apt-daily-upgrade.timer
        - apt-daily.service
        - apt-daily.timer
        - ifup@wlan0.service
        - triggerhappy.service
        - wpa_supplicant.service
    packages:
      caplets:
        source: "https://github.com/jayofelony/caplets.git"
      bettercap:
        source: "https://github.com/jayofelony/bettercap.git"
        url: "https://github.com/jayofelony/bettercap/releases/download/2.32.2/bettercap-2.32.2-armhf.zip"
        ui: "https://github.com/bettercap/ui/releases/download/v1.3.0/ui.zip"
      opwngrid:
        source: "https://github.com/jayofelony/pwngrid.git"
        url: "https://github.com/jayofelony/pwngrid/releases/download/v1.10.7/pwngrid-1.10.7-armhf.zip"
      torch:
        wheel: "torch-2.1.0a0+gitunknown-cp39-cp39-linux_armv6l.whl"
        url: "https://github.com/Sniffleupagus/Torch4Pizero/releases/download/v1.0.0/torch-2.1.0a0+gitunknown-cp39-cp39-linux_armv6l.whl"
      torchvision:
        wheel: "torchvision-0.16.0a0-cp39-cp39-linux_armv6l.whl"
        url: "https://github.com/Sniffleupagus/Torch4Pizero/releases/download/v1.0.0/torchvision-0.16.0a0-cp39-cp39-linux_armv6l.whl"
      apt:
        downgrade:
          - libpcap-dev_1.9.1-4_armhf.deb
          - libpcap0.8-dbg_1.9.1-4_armhf.deb
          - libpcap0.8-dev_1.9.1-4_armhf.deb
          - libpcap0.8_1.9.1-4_armhf.deb
        hold:
          - firmware-atheros
          - firmware-brcm80211
          - firmware-libertas
          - firmware-misc-nonfree
          - firmware-realtek
          - libpcap-dev
          - libpcap0.8
          - libpcap0.8-dev
          - libpcap0.8-dbg
        remove:
          - avahi-daemon
          - nfs-common
          - triggerhappy
          - wpasupplicant
        install:
          - autoconf
          - bc
          - bison
          - bluez
          - build-essential
          - curl
          - dkms
          - dphys-swapfile
          - espeak-ng
          - evtest
          - fbi
          - flex
          - fonts-dejavu
          - fonts-dejavu-core
          - fonts-dejavu-extra
          - fonts-freefont-ttf
          - g++
          - gawk
          - gcc-arm-none-eabi
          - git
          - libatlas-base-dev
          - libavcodec58
          - libavformat58
          - libblas-dev
          - libbluetooth-dev
          - libbz2-dev
          - libc-ares-dev
          - libc6-dev
          - libcpuinfo-dev
          - libdbus-1-dev
          - libdbus-glib-1-dev
          - libeigen3-dev
          - libelf-dev
          - libffi-dev
          - libfl-dev
          - libfuse-dev
          - libgdbm-dev
          - libgl1-mesa-glx
          - libgmp3-dev
          - libgstreamer1.0-0
          - libhdf5-dev
          - liblapack-dev
          - libncursesw5-dev
          - libnetfilter-queue-dev
          - libopenblas-dev
          - libopenjp2-7
          - libopenmpi-dev
          - libopenmpi3
          - libpcap-dev
          - libprotobuf-dev
          - libraspberrypi-bin
          - libraspberrypi-dev
          - libraspberrypi-doc
          - libraspberrypi0
          - libsleef-dev
          - libsqlite3-dev
          - libssl-dev
          - libswscale5
          - libtiff5
          - libtool
          - libts-bin
          - libusb-1.0-0-dev
          - lsof
          - make
          - ntp
          - python3-flask
          - python3-flask-cors
          - python3-flaskext.wtf
          - python3-pil
          - python3-pip
          - python3-protobuf
          - python3-smbus
          - qpdf
          - raspberrypi-kernel-headers
          - rsync
          - screen
          - tcpdump
          - texinfo
          - time
          - tk-dev
          - unzip
          - vim
          - wget
          - wl
          - xxd
          - zlib1g-dev

  tasks:
    - name: Create pi user
      copy:
        dest: /boot/userconf
        content: |
          pi:$6$3jNr0GA9KIyt4hmM$efeVIopdMQ8DGgEPCWWlbx3mJJNAYci1lEXGdlky0xPyjqwKNbwTL5SrCcpb4144C4IvzWjn7Iv.QjqmU7iyT/

    - name: change hostname
      lineinfile:
        dest: /etc/hostname
        regexp: '^raspberrypi'
        line: "{{pwnagotchi.hostname}}"
        state: present
      when: lookup('file', '/etc/hostname') == "raspberrypi"
      register: hostname

    - name: add hostname to /etc/hosts
      lineinfile:
        dest: /etc/hosts
        regexp: '^127\.0\.1\.1[ \t]+raspberrypi'
        line: "127.0.1.1\t{{pwnagotchi.hostname}}"
        state: present
      when: hostname.changed

    - name: Create custom plugin directory
      file:
        path: '{{ pwnagotchi.custom_plugin_dir }}'
        state: directory

    - name: remove current rc.local
      file:
        path: /etc/rc.local
        state: absent

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

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

    - name: update pip3, setuptools, wheel
      shell: "python3 -m pip install --upgrade pip setuptools wheel"
      args:
        executable: /bin/bash
        chdir: /usr/local/src

    ###########################################
    #
    # libpcap v1.9 - build from source
    #
    ###########################################

    # check for presence, then it can re-run in later parts if needed
    # use the "make" built in

    # install libpcap before bettercap and pwngrid, so they use it
    - name: clone libpcap v1.9 from github
      git:
        repo: 'https://github.com/the-tcpdump-group/libpcap.git'
        dest: /usr/local/src/libpcap
        version: libpcap-1.9

    - name: build and install libpcap into /usr/local/lib
      shell: "./configure && make && make install"
      args:
        executable: /bin/bash
        chdir: /usr/local/src/libpcap

    - name: remove libpcap build folder
      file:
        state: absent
        path: /usr/local/src/libpcap

    - name: create symlink /usr/local/lib/libpcap.so.1.9.1
      file:
        src: /usr/local/lib/libpcap.so.1.9.1
        dest: /usr/local/lib/libpcap.so.0.8
        state: link

    ###############################################################
    # Install nexmon to fix wireless scanning (takes 2.5G of space)
    ###############################################################

    # Install nexmon for all boards
    - name: build and install nexmon as needed
      include_tasks: nexmon.yml
      loop: "{{ boards }}"

    # some pizero2w have the pizeroW wifi chip
    # could this be a link instead of a copy? and force, only if not a link?
    - name: copy 43430-sdio as 43436s-sdio for the special 43430/1 /2
      copy:
        src: /usr/lib/firmware/brcm/brcmfmac43430-sdio.bin
        dest: /usr/lib/firmware/brcm/brcmfmac43436s-sdio.bin
        follow: true

    # delete blob files that make nexmon sad
    - name: Delete the firmware blob files to avoid some nexmon crashing
      file:
        state: absent
        path: '{{ item }}'
      loop:
        - /usr/lib/firmware/brcm/brcmfmac43430-sdio.clm_blob
        - /usr/lib/firmware/brcm/brcmfmac43430-sdio.raspberrypi,model-zero-w.clm_blob
        - /usr/lib/firmware/brcm/brcmfmac43430b0-sdio.raspberrypi,model-zero-2-w.clm_blob
        - /usr/lib/firmware/brcm/brcmfmac43436-sdio.raspberrypi,model-zero-2-w.clm_blob
        - /usr/lib/firmware/brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.clm_blob

    # To shrink the final image, remove the nexmon directory (takes 2.5G of space) post build and installation
    - name: Delete nexmon content & directory
      file:
        state: absent
        path: /usr/local/src/nexmon/

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

    # is this even necessary? Can't we just link from /home/pi/pwnagotchi to /usr/local/{bin,lib,etc}
    # then just git update in the home dir and encourage hacking?
    # make owned by pi.pi, and custom plugins.
    - name: build pwnagotchi wheel
      command: "python3 setup.py sdist bdist_wheel"
      args:
        chdir: /usr/local/src/pwnagotchi
      when: (pwnagotchigit.changed) or (pip_packages['pwnagotchi'] is undefined) or (pip_packages['pwnagotchi'] != pwnagotchi_version)

    - name: download torch whl
      get_url:
        url: "{{ packages.torch.url }}"
        dest: /usr/local/src/

    - name: download torchvision whl
      get_url:
        url: "{{ packages.torchvision.url }}"
        dest: /usr/local/src/

    - name: install 32-bit pwnagotchi wheel and dependencies with 32-bit torch wheels
      pip:
        name:
          - "{{ lookup('fileglob', '/usr/local/src/pwnagotchi/dist/pwnagotchi*.whl') }}"
          - "{{ packages.torch.url }}"
          - "{{ packages.torchvision.url }}"
        extra_args: "--no-cache-dir"
      environment:
        QEMU_CPU: arm1176
        QEMU_UNAME: "{{ kernel.full }}"
      when: (pwnagotchigit.changed) or (pip_packages['pwnagotchi'] is undefined) or (pip_packages['pwnagotchi'] != pwnagotchi_version)

    - name: create /usr/local/share/pwnagotchi/ folder
      file:
        path: /usr/local/share/pwnagotchi/
        state: directory

    - name: remove pwnagotchi folder
      file:
        state: absent
        path: /usr/local/src/pwnagotchi

    - name: remove torch whl
      file:
        state: absent
        path: "{{ lookup('fileglob', '/usr/local/src/torch*.whl') }}"

    ##########################################
    #
    # pwngrid, bettercap
    #
    ##########################################

    - name: Install go-1.21
      unarchive:
        src: https://go.dev/dl/go1.21.6.linux-armv6l.tar.gz
        dest: /usr/local
        remote_src: yes
      register: golang

    - name: Update .bashrc for go-1.21
      blockinfile:
        dest: /home/pi/.bashrc
        state: present
        block: |
          export GOPATH=$HOME/go
          export PATH=/usr/local/go/bin:$PATH:$GOPATH/bin
          alias custom='cd /usr/local/share/pwnagotchi/custom-plugins/'
          alias config='sudo nano /etc/pwnagotchi/config.toml'
          alias pwnlog='tail -f -n300 /etc/pwnagotchi/log/pwn*.log | sed --unbuffered "s/,[[:digit:]]\\{3\\}\\]//g" | cut -d " " -f 2-'
          alias pwnver='python3 -c "import pwnagotchi as p; print(p.__version__)"'
          alias pwnkill='sudo killall -USR1 pwnagotchi'
      when: golang.changed

    - name: download pwngrid
      unarchive:
        remote_src: yes
        src: "{{ packages.opwngrid.url }}"
        dest: /usr/local/bin/
        mode: 0755

    - name: download and install bettercap
      unarchive:
        src: "{{ packages.bettercap.url }}"
        dest: /usr/local/bin
        remote_src: yes
        exclude:
          - README.md
          - LICENSE.md
        mode: 0755

    - name: clone bettercap caplets
      git:
        repo: "{{ packages.caplets.source }}"
        dest: /tmp/caplets
      register: capletsgit

    - name: install bettercap caplets
      make:
        chdir: /tmp/caplets
        target: install
      when: capletsgit.changed

    - name: download and install bettercap ui
      unarchive:
        src: "{{ packages.bettercap.ui }}"
        dest: /usr/local/share/bettercap/
        remote_src: yes
        mode: 0755

    # to always have the bettercap webui available (because why not?)
    - name: copy pwnagotchi-manual over pwnagotchi-auto caplet
      ansible.builtin.copy:
        src: /usr/local/share/bettercap/caplets/pwnagotchi-manual.cap
        dest: /usr/local/share/bettercap/caplets/pwnagotchi-auto.cap
        force: true
      ignore_errors: true

    - name: create /etc/pwnagotchi folder
      file:
        path: /etc/pwnagotchi
        state: directory

    - name: create log folder
      file:
        path: /home/pi/logs
        state: directory

    - name: check if user configuration exists
      stat:
        path: /etc/pwnagotchi/config.toml
      register: user_config

    - name: create /etc/pwnagotchi/config.toml
      copy:
        dest: /etc/pwnagotchi/config.toml
        content: |
          # Add your configuration overrides on this file any configuration changes done to default.toml will be lost!
          # Example:
          # ui.display.enabled = true
          # ui.display.type = "waveshare_4"
      when: not user_config.stat.exists

    - name: Delete motd 10-uname
      file:
        state: absent
        path: /etc/update-motd.d/10-uname

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

    - 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: add firmware packages to hold
      dpkg_selections:
        name: "{{ item }}"
        selection: hold
      with_items: "{{ packages.apt.hold }}"

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

    - name: enable services
      systemd:
        name: "{{ item }}"
        enabled: true
        state: stopped
      with_items: "{{ services.enable }}"

    #- name: remove golang build libraries
    #  file:
    #    state: absent
    #    path: /root/go

    #- name: remove golang
    #  file:
    #    state: absent
    #    path: /usr/local/go

    - name: make /root readable, becauase that's where all the files are
      file:
        path: /root
        mode: '755'

    - name: fix permissions on /home/pi
      file:
        path: /home/pi
        owner: pi
        group: pi
        recurse: true

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

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

    - name: clean apt cache
      apt:
        autoclean: true

    - name: remove golang build libraries
      file:
        state: absent
        path: /root/go

    - name: remove pre-collected packages zip
      file:
        path: /root/go_pkgs.tgz
        state: absent

    - name: remove golang
      file:
        state: absent
        path: /usr/local/go

    - name: remove /root/.cache (pip cache)
      file:
        state: absent
        path: /root/.cache

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

    - name: regenerate ssh keys
      shell: "dpkg-reconfigure openssh-server"
      args:
        executable: /bin/bash

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