Generate a vanity hostname for v3 onion link for tor on linux

by jamied_uk 10th November 2024, 23:00

Code:: #!/bin/bash # (c) J~Net 2024 # # Usage: sudo ./generate.sh DEFAULT_PREFIX="jnet" # Prompt user for the desired prefix, defaulting to "jnet" if none provided read -p "Enter Desired Short Prefix (max 6 chars, default is '$DEFAULT_PREFIX'): " PREFIX # Use default if no prefix is entered if [ -z "$PREFIX" ]; then PREFIX="$DEFAULT_PREFIX" echo "No Prefix Entered. Using Default Prefix: '$PREFIX'" fi # Ensure prefix does not exceed 6 characters if [ "${#PREFIX}" -gt 6 ]; then echo "Error: Prefix too long. Use a prefix of up to 6 characters." exit 1 fi while true; do # Stop Tor to safely regenerate hidden service keys sudo systemctl stop tor sleep 5 # Allow time for Tor to fully stop # Remove the hidden service directory completely to avoid caching issues sudo rm -rf /var/lib/tor/hidden_service sleep 2 # Small delay to ensure the directory is fully removed # Recreate the hidden service directory with proper permissions sudo mkdir -p /var/lib/tor/hidden_service sudo chown -R debian-tor:debian-tor /var/lib/tor/hidden_service sudo chmod 700 /var/lib/tor/hidden_service # Start Tor to regenerate the hidden service keys sudo systemctl start tor sleep 20 # Wait for Tor to generate the keys # Retrieve and display the generated hostname HOSTNAME=$(sudo cat /var/lib/tor/hidden_service/hostname 2>/dev/null) if [ -z "$HOSTNAME" ]; then echo "Hostname not generated yet. Retrying..." sleep 5 continue fi echo "Generated Address: $HOSTNAME" # Check if the hostname begins with the desired prefix if [[ "$HOSTNAME" == "$PREFIX"* ]]; then echo "Successfully Generated a V3 Onion Address Starting with '$PREFIX': $HOSTNAME" # Set permissions for security sudo chown -R debian-tor:debian-tor /var/lib/tor/hidden_service sudo chmod 700 /var/lib/tor/hidden_service sudo chmod 600 /var/lib/tor/hidden_service/* echo "Permissions set to secure defaults." break else echo "Generated Address Does Not Start With '$PREFIX'. Retrying..." fi done