mac_aptInstall-macOS-v21.sh

#!/bin/bash
# mac_apt Installation Script for macOS - Version 2.1
# Author: Zachary Burnham (@zmbf0r3ns1cs)
# Edited by Yogesh Khatri (@swiftforensics) for new mac_apt build
#------------------------------------------------------------------------------
# Script to auto-download Yogesh Khatri's mac_apt tool from GitHub (with necessary 
# dependencies) and install
# https://github.com/ydkhatri/mac_apt 

# Run as '. ./mac_aptInstall.sh' to avoid subshell execution
# --- This script will require sudo ---

# Define function to verify validity of user directory input
verifyDir () {
    cd $userDir &> /dev/null || mkdir $userDir &> /dev/null
    if [[ $? -ne 0 ]]; then
        echo "[!] Invalid directory. Please try again."
        # Bring user back to beginning to correct directory syntax
        chooseInstallation_Dir
    else 
        # Desired user directory is valid
        echo "[~] Installing mac_apt to $userDir..."
    fi
}

# Define function for user input for desired installation directory
chooseInstallation_Dir () {
    read -p "[*] Would you like to specify an installation directory? [Y/n] " userDecision
    # Verify user input
    if [[ $userDecision = "Y" ]] || [[ $userDecision = "y" ]]; then
        echo "[~] EX: /Users/<username>/Desktop"
        read -p "Directory Path: " userDir
        # Verify if valid directory
        verifyDir
    elif [[ $userDecision = "N" ]] || [[ $userDecision = "n" ]]; then
        # Set $userDir to user's current directory
        export userDir=`pwd`
        echo "[~] Installing mac_apt to $userDir..."
    else
        # Bring user back to beginning if y or n not specified
        echo "[!] Invalid response. Please try again."
        chooseInstallation_Dir
    fi 
}

# ----------------------------------------------------------------------------------- #
# ------------------------ MAIN BODY OF SCRIPT BEGINS HERE -------------------------- #
# ----------------------------------------------------------------------------------- #

echo "" # Space for script legibility
echo "[*] mac_apt Installation Script for macOS - Version 2.1"
echo "-----------------------------------------------------------"

# Use ping to loopback address to prompt user for sudo password
# *Homebrew does not support running script as sudo for security purposes --> this is a workaround*
echo "[!] This script requires sudo privileges."
sudo ping -c 1 127.0.0.1 &> /dev/null

# Prompt user to choose default installation or custom directory
chooseInstallation_Dir

# Check for Homebrew, install if not found
if test ! $(which brew); then
    echo "[+] Installing homebrew..."
    ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" &> /dev/null
    # Check for successful install
    if [[ $? -ne 0 ]]; then
        echo "[!] Installation of Homebrew failed due to an error."
        echo "[!] Please report this to the developer."
        exit 1; 
    fi
fi

# Ensure Homebrew is up-to-date
echo "[~] Ensuring Homebrew is up-to-date..."
brew update &> /dev/null

# Check for python3, install if not found
if test ! $(which python3); then
    echo "[+] Installing python3..."
    brew install python3 git &> /dev/null
    # Check for successful install
    if [[ $? -ne 0 ]]; then
        echo "[!] Installation of python3 failed due to an error."
        echo "[!] Please report this to the developer."
        exit 1; 
    fi
fi

# Install virtualenv --> https://virtualenv.pypa.io/en/stable/userguide/
echo "[+] Installing virtualenv..."
sudo pip3 install --upgrade virtualenv &> /dev/null
# Ensure installation is successful
if [[ $? -ne 0 ]]; then
    echo "[!] Installation of virtualenv failed due to an error. Please check to ensure the embedded pip query is valid and try again."
    echo "[!] If correct, please report this to the developer."
    exit 1; 
fi

# Download mac_apt from GitHub to Desktop
echo "[+] Downloading mac_apt from GitHub..."
cd $userDir
git clone --recursive https://github.com/ydkhatri/mac_apt.git &> /dev/null
# Ensure download is successful
if [[ $? -ne 0 ]]; then
    echo "[!] mac_apt download failed due to 'git clone' error."
    echo "[!] Please delete the exiting 'mac_apt' folder and try again!"
#    echo "[!] Please report this to the developer."
    exit 1; 
fi
cd mac_apt
virtualenv --python python3 env &> /dev/null

# Activate env with virtualenv to install within virtual environment
echo "[+] Creating virtual environment with virtualenv..."
cd $userDir
cd mac_apt
source env/bin/activate

# Install pybindgen, this is required to be installed before fastchunking (dep of pyaff4) can be installed
echo "[+] Installing pybindgen..."
pip3 install pybindgen==0.21.0 &> /dev/null
# Ensure installation is successful
if [[ $? -ne 0 ]]; then
    echo "[!] Installation of pybindgen failed due to an error."
    echo "[!] Please report this to the developer."
    exit 1;
fi

# Build, compile, and install pyaff4
echo "[+] Installing pyaff4..."
pip3 install other_dependencies/pyaff4-0.31-yk.zip &> /dev/null
# Ensure installation is successful
if [[ $? -ne 0 ]]; then
    echo "[!] Installation of pyaff4 failed due to an error."
    echo "[!] Please report this to the developer."
    exit 1;
fi

# Build, compile, and install pyliblzfse
# echo "[+] Installing pyliblzfse..."
# git clone --recursive https://github.com/ydkhatri/pyliblzfse &> /dev/null
# Ensure download is successful
# if [[ $? -ne 0 ]]; then
#     echo "[!] Installation of pyliblzfse failed due to an error."
#     echo "[!] Please report this to the developer."
#     exit 1; 
# fi
# cd pyliblzfse
# python setup.py build &> /dev/null
# python setup.py install &> /dev/null
# Leave directory to continue installation
# cd ..

# Install pytsk
echo "[+] Installing pytsk..."
pip3 install pytsk3==20170802 &> /dev/null
# Ensure installation is successful
if [[ $? -ne 0 ]]; then
    echo "[!] Installation of pytsk failed due to an error."
    echo "[!] Please report this to the developer."
    exit 1; 
fi

# Install pyvmdk
echo "[+] Installing pyvmdk..."
pip3 install libvmdk-python==20181227 &> /dev/null
# Ensure installation is successful
if [[ $? -ne 0 ]]; then
    echo "[!] Installation of pyvmdk failed due to an error."
    echo "[!] Please report this to the developer."
    exit 1; 
fi

# Check for wget, install if not found
# On catalina, wget install using brew prompts the following:
# Error: The following directories are not writable by your user:
# /usr/local/share/man/man3
# /usr/local/share/man/man5
# /usr/local/share/man/man7
# The following 2 lines fix this.
sudo chown -R $(whoami) /usr/local/share/man/man3 /usr/local/share/man/man5 /usr/local/share/man/man7
chmod u+w /usr/local/share/man/man3 /usr/local/share/man/man5 /usr/local/share/man/man7
if test ! $(which wget); then
    echo "Installing wget..."
    brew install wget &> /dev/null
    # Check for successful install
    if [[ $? -ne 0 ]]; then
        echo "[!] Installation of wget failed due to an error."
        echo "[!] Please report this to the developer."
        exit 1; 
    fi
fi

# Download and unzip pyewf
echo "[+] Installing pyewf..."
wget https://github.com/libyal/libewf-legacy/releases/download/20140807/libewf-20140807.tar.gz &> /dev/null
# Ensure wget is successful
if [[ $? -ne 0 ]]; then
    echo "[!] Download of pyewf failed."
    echo "[!] Please report this to the developer."
    exit 1; 
fi

# Install pyewf
gunzip -c libewf-20140807.tar.gz | tar xopf -
# Check for corrupt tar.gz
if [[ $? -ne 0 ]]; then
    echo "[!] Installation of pyewf failed due to corrupt download."
    echo "[!] Please report this to the developer."
    exit 1; 
fi
cd libewf-20140807
python setup.py build &> /dev/null
python setup.py install &> /dev/null
# Leave directory to continue installation
cd ..

# Install other dependencies
echo "[+] Installing other dependencies..."
pip3 install anytree biplist construct==2.9.45 xlsxwriter plistutils kaitaistruct lz4 pycryptodome cryptography pillow pyliblzfse nska_deserialize &> /dev/null
if [[ $? -ne 0 ]]; then
    echo "[!] Installation of one or more required dependencies has failed."
    echo "[!] Please report this to the developer."
    exit 1; 
fi

echo "[*] mac_apt successfully downloaded and installed!"
echo "------------------------------------------------------------------------------"

# Start virtual environment
#cd $userDir
#cd mac_apt
#source env/bin/activate

# Show mac_apt options
#python mac_apt.py -h

#echo " Welcome to the virtual environment. "
echo " To run mac_apt, you will have to go to the mac_apt folder"
echo " and then enter the virtual environment using the following command "
echo "   source env/bin/activate "
echo " Then run mac_apt as you would normally "
echo "   python3 mac_apt.py ...."