---
- hosts:
    - 127.0.0.1
  gather_facts: true
  become: true
  vars:
    kernel:
      min: "6.6"
      full: "6.6.31+rpt-rpi-v6"
    pwnagotchi:
      hostname: "{{ lookup('env', 'PWN_HOSTNAME') | default('pwnagotchi', true) }}"
      version: "{{ lookup('env', 'PWN_VERSION') | default('pwnagotchi', true) }}"
    services:
      enable:
        - bettercap.service
        - fstrim.timer
        - pwnagotchi.service
        - pwngrid-peer.service
      disable:
        - apt-daily-upgrade.service
        - apt-daily-upgrade.timer
        - apt-daily.service
        - apt-daily.timer
        - bluetooth.service
        - ifup@wlan0.service
    packages:
      caplets:
        source: "https://github.com/jayofelony/caplets.git"
        branch: "lite" # or master
      bettercap:
        source: "https://github.com/jayofelony/bettercap.git"
        branch: "lite" # or master
      pwngrid:
        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+gita8e7c98-cp311-cp311-linux_armv6l.whl"
        url: "https://github.com/Sniffleupagus/Torch4Pizero/releases/download/py0torch-bookworm-2024-05/torch-2.1.0a0+gita8e7c98-cp311-cp311-linux_armv6l.whl"
      torchvision:
        wheel: "torchvision-0.16.0+fbb4cc5-cp311-cp311-linux_armv6l.whl"
        url: "https://github.com/Sniffleupagus/Torch4Pizero/releases/download/py0torch-bookworm-2024-05/torchvision-0.16.0+fbb4cc5-cp311-cp311-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-dbg
          - libpcap0.8-dev
        remove:
          - nfs-common
          - triggerhappy
        install:
          - aircrack-ng
          - autoconf
          - bison
          - bluez
          - bluez-tools
          - build-essential
          - curl
          - dphys-swapfile
          - fbi
          - firmware-atheros
          - firmware-brcm80211
          - firmware-libertas
          - firmware-misc-nonfree
          - firmware-realtek
          - flex
          - g++
          - gawk
          - gcc-arm-none-eabi
          - git
          - libatlas-base-dev
          - libc6-dev
          - libcpuinfo-dev
          - libcurl-ocaml-dev
          - libdbus-1-dev
          - libdbus-glib-1-dev
          - libfl-dev
          - libgmp3-dev
          - libnetfilter-queue-dev
          - libopenblas-dev # https://stackoverflow.com/questions/14570011/explain-why-numpy-should-not-be-imported-from-source-directory
          - libopenjp2-7
          - libpcap-dev
          - libraspberrypi-bin
          - libraspberrypi-dev
          - libraspberrypi-doc
          - libraspberrypi0
          - libsleef-dev
          - libssl-dev
          - libssl-ocaml-dev
          - libtool
          - libusb-1.0-0-dev
          - make
          - ntp
          - pkg-config
          - python3-dev
          - python3-pip
          - python3-protobuf
          - python3-setuptools
          - python3-smbus
          - qpdf
          - raspberrypi-kernel-headers
          - rsync
          - tcpdump
          - texinfo
          - unzip
          - wget
          - wl
          - xxd
          - zlib1g-dev
  environment:
    ARCHFLAGS: "-arch armv6l"
    
  tasks:
    # First we install packages
    - name: install packages
      apt:
        name: "{{ packages.apt.install }}"
        state: latest
        update_cache: yes
        install_recommends: no

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

    - name: install 32bit torch
      shell: "python3 -m pip install {{ packages.torch.url }} {{ packages.torchvision.url }} --break-system-packages"
      args:
        executable: /bin/bash
      environment:
        QEMU_UNAME: "{{ kernel.full }}"
        ARCHFLAGS: "-arch armv6l"

    # Now we set up /boot/firmware
    - name: Create pi user
      copy:
        dest: /boot/firmware/userconf
        content: |
          pi:$5$733Efsksay$SEFUKemv8FaNAu6X4GUfxdSzSDh6PbpOcdtNe5b7Nt0

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

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

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

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

    - name: setup /boot/firmware/config.txt
      blockinfile:
        path: /boot/firmware/config.txt
        insertafter: EOF
        block: |
          dtparam=i2c1=on
          dtparam=i2c_arm=on
          dtparam=spi=on
          gpu_mem=1
          dtoverlay=dwc2
          #dtoverlay=disable-wifi
          enable_uart=1
          
          [pi0]
          dtoverlay=spi0-2cs
          #dtoverlay=disable-wifi

    - 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

    # Now we disable sap and a2dp, we don't use them on rpi
    - name: disable sap plugin for bluetooth.service
      lineinfile:
        dest: /lib/systemd/system/bluetooth.service
        regexp: '^ExecStart=/usr/libexec/bluetooth/bluetoothd$'
        line: 'ExecStart=/usr/libexec/bluetooth/bluetoothd --noplugin=sap,a2dp'
        state: present

    ###########################################
    #
    # 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 latest hcxtools
    - name: clone hcxtools
      git:
        repo: https://github.com/ZerBea/hcxtools.git
        dest: /usr/local/src/hcxtools

    - name: install hcxtools
      shell: "make && make install"
      args:
        executable: /bin/bash
        chdir: /usr/local/src/hcxtools

    - name: remove hcxtools directory
      file:
        state: absent
        path: /usr/local/src/hcxtools

    # Installing nexmon
    - name: clone nexmon repository
      git:
        repo: https://github.com/DrSchottky/nexmon.git
        dest: /usr/local/src/nexmon

    - name: make firmware
      shell: "source ./setup_env.sh && make"
      args:
        executable: /bin/bash
        chdir: /usr/local/src/nexmon/
      environment:
        QEMU_UNAME: "{{ kernel.full }}"
        ARCHFLAGS: "-arch armv6l"

    - name: make firmware patch (bcm43430a1)
      shell: "source ./setup_env.sh && cd /usr/local/src/nexmon/patches/bcm43430a1/7_45_41_46/nexmon/ && make"
      args:
        executable: /bin/bash
        chdir: /usr/local/src/nexmon/
      environment:
        QEMU_UNAME: "{{ kernel.full }}"
        ARCHFLAGS: "-arch armv6l"

    - name: install new firmware (bcm43430a1)
      copy:
        src: /usr/local/src/nexmon/patches/bcm43430a1/7_45_41_46/nexmon/brcmfmac43430-sdio.bin
        dest: /usr/lib/firmware/brcm/brcmfmac43430-sdio.bin
        follow: true

    - name: copy modified driver
      copy:
        src: "/usr/local/src/nexmon/patches/driver/brcmfmac_{{ kernel.min }}.y-nexmon/brcmfmac.ko"
        dest: "/usr/lib/modules/{{ kernel.full }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko"
      environment:
        QEMU_UNAME: "{{ kernel.full }}"
        ARCHFLAGS: "-arch armv6l"

    - 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

    - name: backup original driver
      command: "mv /usr/lib/modules/{{ kernel.full }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko.xz /usr/lib/modules/{{ kernel.full }}/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko.xz.orig"

    - name: load brcmfmac drivers
      command: "/sbin/depmod {{ kernel.full }}"
      environment:
        QEMU_UNAME: "{{ kernel.full }}"

    # 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: Create custom config directory
      file:
        path: /etc/pwnagotchi/conf.d/
        state: directory

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

    - name: build pwnagotchi wheel
      command: "pip3 install . --no-cache-dir --break-system-packages"
      args:
        chdir: /usr/local/src/pwnagotchi

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

    - name: Create custom plugin directory
      file:
        path: /usr/local/share/pwnagotchi/custom-plugins/
        state: directory

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

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

    - name: Install go-1.21
      unarchive:
        src: https://go.dev/dl/go1.22.3.linux-armv6l.tar.gz
        dest: /usr/local
        remote_src: yes
      register: golang

    - name: Update .bashrc for go-1.21
      blockinfile:
        dest: /etc/profile
        state: present
        block: |
          export GOPATH=$HOME/go
          export PATH=/usr/local/go/bin:$PATH:$GOPATH/bin
      when: golang.changed

    - name: download pwngrid
      git:
        repo: "{{ packages.pwngrid.source }}"
        dest: /usr/local/src/pwngrid

    - name: install pwngrid
      shell: "export GOPATH=$HOME/go && export PATH=/usr/local/go/bin:$PATH:$GOPATH/bin && go mod tidy && make && make install"
      args:
        executable: /bin/bash
        chdir: /usr/local/src/pwngrid

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

    - name: download bettercap
      git:
        repo: "{{ packages.bettercap.source }}"
        version: "{{ packages.bettercap.branch }} "
        dest: /usr/local/src/bettercap

    - name: install bettercap 2.32.4
      shell: "export GOPATH=$HOME/go && export PATH=/usr/local/go/bin:$PATH:$GOPATH/bin && go mod tidy && make && make install"
      args:
        executable: /bin/bash
        chdir: /usr/local/src/bettercap

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

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

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

    - name: create /etc/pwnagotchi folder
      file:
        path: /etc/pwnagotchi
        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
      file:
        state: absent
        path: /etc/motd

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

    - 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 }}"
      register: enabled

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

    - name: remove /root/go folder
      file:
        state: absent
        path: /root/go

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

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

    - 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

    # Now we remove packages
    - name: remove unnecessary apt packages
      apt:
        name: "{{ packages.apt.remove }}"
        state: absent
        purge: yes
      register: removed

    - name: remove dependencies that are no longer required
      apt:
        autoremove: yes
      when: removed.changed

    - name: install rpi-sys-mods again?
      apt:
        state: present
        name: raspberrypi-sys-mods
        update_cache: yes
        install_recommends: no

    - name: clean apt cache
      apt:
        autoclean: true
      when: removed.changed

  handlers:
    - name: reload systemd services
      systemd:
        daemon_reload: yes
      when: enabled.changed