FtTunnel.sh

#!/bin/bash

root_access() {
    # Check if the script is running as root
    if [ "$EUID" -ne 0 ]; then
        echo "This script requires root access. please run as root."
        exit 1
    fi
}

detect_distribution() {
    # Detect the Linux distribution
    local supported_distributions=("ubuntu" "debian" "centos" "fedora")
    
    if [ -f /etc/os-release ]; then
        source /etc/os-release
        if [[ "${ID}" = "ubuntu" || "${ID}" = "debian" || "${ID}" = "centos" || "${ID}" = "fedora" ]]; then
            package_manager="apt-get"
            [ "${ID}" = "centos" ] && package_manager="yum"
            [ "${ID}" = "fedora" ] && package_manager="dnf"
        else
            echo "Unsupported distribution!"
            exit 1
        fi
    else
        echo "Unsupported distribution!"
        exit 1
    fi
}

check_dependencies() {
    detect_distribution

    local dependencies=("wget" "lsof" "iptables" "unzip" "git" "curl" "tar")
    
    for dep in "${dependencies[@]}"; do
        if ! command -v "${dep}" &> /dev/null; then
            echo "${dep} is not installed. Installing..."
            sudo "${package_manager}" install "${dep}" -y
        fi
    done
}

#Check installed service
check_installed() {
    if [ -f "/etc/systemd/system/faketunnel.service" ]; then
        echo "The service is already installed."
        exit 1
    fi
}

#Check installed service
check_installed2() {
    if [ -f "/etc/systemd/system/faketunnelsingle.service" ]; then
        echo "The service is already installed."
        exit 1
    fi
}

# Function to download and install FTT
install_ftt() {
    wget "https://raw.githubusercontent.com/radkesvat/FakeTlsTunnel/master/install.sh" -O install.sh && chmod +x install.sh && bash install.sh 
}

# Function to configure arguments based on user's choice single port
configure_arguments2() {
    read -p "Which server do you want to use? (Enter '1' for Iran(internal-server) or '2' for Kharej(external-server) ) : " server_choice
    read -p "Please Enter Port (Please choose the same port on both servers): " port
    read -p "Please Enter SNI (default : google.com): " sni
    sni=${sni:-google.com}

    if [ "$server_choice" == "2" ]; then
        read -p "Please Enter Password (Please choose the same password on both servers): " password
        arguments="--server --lport:443 --toip:127.0.0.1 --toport:$port --sni:$sni --password:$password --terminate:24"
    elif [ "$server_choice" == "1" ]; then
        read -p "Please Enter (Kharej IP(extrenal-server)) : " server_ip
        read -p "Please Enter Password (Please choose the same password on both servers): " password
        arguments="--tunnel --lport:$port --toip:$server_ip  --toport:443 --sni:$sni --password:$password --terminate:24"
    else
        echo "Invalid choice. Please enter '1' or '2'."
        exit 1
    fi
    echo "successfull . arguments: $arguments"
}

# Function to configure arguments based on user's choice Multiport
configure_arguments() {
    read -p "Which server do you want to use? (Enter '1' for Iran(internal-server) or '2' for Kharej(external-server) ) : " server_choice
    read -p "Please Enter SNI (default : splus.ir): " sni
    sni=${sni:-google.com}

    if [ "$server_choice" == "2" ]; then
        read -p "Please Enter Password (Please choose the same password on both servers): " password
        arguments="--server --lport:443 --toip:127.0.0.1 --toport:2000 --password:$password --multiport --sni:$sni --terminate:24"
    elif [ "$server_choice" == "1" ]; then
        read -p "Please Enter (Kharej IP(extrenal-server)) : " server_ip
        read -p "Please Enter Password (Please choose the same password on both servers): " password
        arguments="--tunnel --lport:23-65535 --toip:$server_ip --toport:443 --password:$password --sni:$sni --terminate:24"
    else
        echo "Invalid choice. Please enter '1' or '2'."
        exit 1
    fi
    echo "successfull .arguments: $arguments"
}

# Function to handle installation single port
install_single() {
    root_access
    check_dependencies
    check_installed2
    install_ftt
    # Change directory to /etc/systemd/system
    cd /etc/systemd/system
    configure_arguments2
    # Create a new service file named faketunnel.service
    cat <<EOL > faketunnelsingle.service
[Unit]
Description=fake tls tunnel service single

[Service]
User=root
WorkingDirectory=/root
ExecStart=/root/FTT $arguments
Restart=always

[Install]
WantedBy=multi-user.target
EOL

    # Reload systemctl daemon and start the service
    sudo systemctl daemon-reload
    sudo systemctl start faketunnelsingle.service
    sudo systemctl enable faketunnelsingle.service
}

# Function to handle uninstallation single
uninstall_single() {
    # Check if the service is installed
    if [ ! -f "/etc/systemd/system/faketunnelsingle.service" ]; then
        echo "The service is not installed."
        return
    fi

    # Stop and disable the service
    sudo systemctl stop faketunnelsingle.service
    sudo systemctl disable faketunnelsingle.service

    # Remove service file
    sudo rm /etc/systemd/system/faketunnelsingle.service
    sudo systemctl reset-failed
    sudo rm FTT
    sudo rm install.sh

    echo "Uninstallation completed successfully."
}

# Function to handle installation
install_multi() {
    root_access
    check_dependencies
    check_installed
    install_ftt
    # Change directory to /etc/systemd/system
    cd /etc/systemd/system
    configure_arguments
    # Create a new service file named faketunnel.service
    cat <<EOL > faketunnel.service
[Unit]
Description=fake tls tunnel service

[Service]
User=root
WorkingDirectory=/root
ExecStart=/root/FTT $arguments
Restart=always

[Install]
WantedBy=multi-user.target
EOL

    # Reload systemctl daemon and start the service
    sudo systemctl daemon-reload
    sudo systemctl start faketunnel.service
    sudo systemctl enable faketunnel.service
}

# Function to handle uninstallation multi
uninstall_multi() {
    # Check if the service is installed
    if [ ! -f "/etc/systemd/system/faketunnel.service" ]; then
        echo "The service is not installed."
        return
    fi

    # Stop and disable the service
    sudo systemctl stop faketunnel.service
    sudo systemctl disable faketunnel.service

    # Remove service file
    sudo rm /etc/systemd/system/faketunnel.service
    sudo systemctl reset-failed
    sudo rm FTT
    sudo rm install.sh

    echo "Uninstallation completed successfully."
}

update_services() {
    # Get the current installed version of FTT
    installed_version=$(./FTT -v 2>&1 | grep -o '"[0-9.]*"')

    # Fetch the latest version from GitHub releases
    latest_version=$(curl -s https://api.github.com/repos/radkesvat/FakeTlsTunnel/releases/latest | grep -o '"tag_name": "[^"]*"' | cut -d":" -f2 | sed 's/["V ]//g' | sed 's/^/"/;s/$/"/')

    # Compare the installed version with the latest version
    if [[ "$latest_version" > "$installed_version" ]]; then
        echo "Updating to $latest_version (Installed: $installed_version)..."
        if sudo systemctl is-active --quiet faketunnel.service; then
            echo "faketunnel.service is active, stopping..."
            sudo systemctl stop faketunnel.service > /dev/null 2>&1
        elif sudo systemctl is-active --quiet faketunnelsingle.service; then
            echo "faketunnelsingle.service is active, stopping..."
            sudo systemctl stop faketunnelsingle.service > /dev/null 2>&1
        fi

        # Download and run the installation script
        wget "https://raw.githubusercontent.com/radkesvat/FakeTlsTunnel/master/install.sh" -O install.sh && chmod +x install.sh && bash install.sh

        # Start the previously active service
        if sudo systemctl is-active --quiet faketunnel.service; then
            echo "Restarting faketunnel.service..."
            sudo systemctl start faketunnel.service > /dev/null 2>&1
        elif sudo systemctl is-active --quiet faketunnelsingle.service; then
            echo "Restarting faketunnelsingle.service..."
            sudo systemctl start faketunnelsingle.service > /dev/null 2>&1
        fi

        echo "Service updated and restarted successfully."
    else
        echo "You have the latest version ($installed_version)."
    fi
}

#ip & version
myip=$(hostname -I | awk '{print $1}')
version=$(./FTT -v 2>&1 | grep -o 'version="[0-9.]*"')

# Main menu
clear
echo "By --> Peyman * Github.com/Ptechgithub * "
echo "Your IP is: ($myip) "
echo ""
echo " --------#- Fake Tls Tunnel -#--------"
echo "1) Install (Single port)"
echo "2) Uninstall (Single port)"
echo " ----------------------------"
echo "3) Install (Multi port)"
echo "4) Uninstall (Multi port)"
echo " ----------------------------"
echo "5) Update FTT"
echo "0) Exit"
echo " --------------$version--------------"
read -p "Please choose: " choice

case $choice in
    1)
        install_single
        ;;
    2)
        uninstall_single
        ;;
    3)
        install_multi
        ;;
    4)
        uninstall_multi
        ;;
    5)
        update_services
        ;;
    0)   
        exit
        ;;
    *)
        echo "Invalid choice. Please try again."
       ;;
esac