Requirements

• protobuf
• LZMA
• 7z
• lz4

Linux

apt install unace unrar zip unzip p7zip-full p7zip-rar sharutils rar uudeview mpack arj cabextract rename
apt install liblzma-dev python-pip brotli lz4
pip install backports.lzma protobuf pycrypto

Arch

pacman -S unace unrar zip unzip p7zip sharutils uudeview arj cabextract
pacman -S python python-pip brotli lz4
pip install backports.lzma protobuf pycrypto

For "rename" and "mpack" you need to manually clone and install the packages

for package in mpack rename; do
    git clone https://aur.archlinux.org/"${package}"
    cd "${package}" || continue
    makepkg -si --skippgpcheck
    cd - || break
    rm -rf "${package}"
done

Mac

brew install protobuf liblzma-dev brotli lz4
pip install backports.lzma protobuf pycrypto

Also install mono

Windows

Install cygwin, and select

Latest python and pip packages, arj, brotli, cabextract, dos2unix, lz4, p7zip, renameutils, sharutils, unace, unzip and zip

If you get syntax errors run dos2unix on extractor.sh

How to use

Download

git clone --recurse-submodules https://github.com/ShivamKumarJha/Firmware_extractor.git

Extract images from firmware URL

Example: Extracting images from pixel 2 factory image:

cd Firmware_extractor
wget https://dl.google.com/dl/android/aosp/walleye-pq3a.190705.001-factory-cc471c8c.zip -o firmware.zip
./extractor.sh firmware.zip

output will be on "Firmware_extractor/out"