Install boringproxy

install-boringproxy-client.sh

#!/bin/bash

# Check if the user is root
if [[ $EUID -ne 0 ]]; then
   echo "This script must be run as root"
   exit 1
fi

# Create user and usergroup
groupadd -f boringproxy
useradd -m -s /bin/bash -g boringproxy boringproxy

# Set up home directory and permissions
home_dir="/home/boringproxy"
ssh_dir="${home_dir}/.ssh"
chown boringproxy:boringproxy ${home_dir}
chmod 700 ${home_dir}

# Set up SSH directory and permissions
mkdir -p ${ssh_dir}
chown boringproxy:boringproxy ${ssh_dir}
chmod 700 ${ssh_dir}

# Determine the architecture
case "$(uname -s)-$(uname -m)" in
    "Linux-x86_64")    arch="linux-x86_64" ;;
    "Linux-armv7l")    arch="linux-arm" ;;
    "Linux-aarch64")   arch="linux-arm64" ;;
    "Darwin-x86_64")   arch="darwin-x86_64" ;;
    "Darwin-arm64")    arch="darwin-arm64" ;;
    "FreeBSD-i386")    arch="freebsd-386" ;;
    "FreeBSD-amd64")   arch="freebsd-x86_64" ;;
    "OpenBSD-i386")    arch="openbsd-386" ;;
    "OpenBSD-amd64")   arch="openbsd-x86_64" ;;
    *) echo "Unsupported platform"; exit 1 ;;
esac

# Download the executable
executable_url="https://github.com/boringproxy/boringproxy/releases/download/v0.10.0/boringproxy-${arch}"
executable_path="${home_dir}/boringproxy"
curl -L -o ${executable_path} ${executable_url}
chown boringproxy:boringproxy ${executable_path}
chmod 700 ${executable_path}

# Allow binding to privileged ports
setcap cap_net_bind_service=+ep ${executable_path}

# Get user input
read -p "Enter Server: " server
read -p "Enter User: " user
read -p "Enter Token: " token
read -p "Enter Client-name: " client_name

# Write start-boringproxy.sh
start_script="${home_dir}/start-boringproxy.sh"
cat > ${start_script} << EOL
#!/bin/bash
${executable_path} client \\
    -server ${server} -user ${user} -token ${token} -client-name ${client_name}
EOL
chown boringproxy:boringproxy ${start_script}
chmod 700 ${start_script}

# Create systemd service
systemd_service="/etc/systemd/system/boringproxy.service"
cat > ${systemd_service} << EOL
[Unit]
Description=Boringproxy
After=network.target

[Service]
User=boringproxy
Group=boringproxy
WorkingDirectory=${home_dir}
ExecStart=${start_script}
Restart=always

[Install]
WantedBy=multi-user.target
EOL

# Enable and start the systemd service
systemctl enable boringproxy
systemctl start boringproxy

echo "Boringproxy setup complete!"