875a60f90f
A free, open, self-hosted app platform (GNU AGPLv3): one-click app deploys, Traefik reverse proxy with automatic SSL, rootless Docker support, gluetun VPN routing, and a web dashboard to manage it all. Free & open forever to self-host; optional paid hosted services fund it. See PROMISE.md. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> Signed-off-by: librelad <librelad@digitalangels.vip>
279 lines
12 KiB
Bash
Executable File
279 lines
12 KiB
Bash
Executable File
#!/bin/bash
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# Used for Sending SSH keys to remote hosts
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installSSHRemoteList()
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{
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if [[ "$CFG_REQUIREMENT_SSHREMOTE" == "true" ]]; then
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if [[ "$setupSSHRemoteKeys" == true ]]; then
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local app_name="$1"
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echo ""
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echo "############################################"
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echo "###### Remote SSH Install ######"
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echo "############################################"
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echo ""
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# Check if sqlite3 is available
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if ! command -v sqlite3 &> /dev/null; then
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isNotice "sqlite3 command not found. Make sure it's installed."
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fi
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# Check if database file is available
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if [ ! -f "$docker_dir/$db_file" ] ; then
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isNotice "Database file not found. Make sure it's installed."
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fi
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# Check if SSH hosts are configured (configs should already be loaded)
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if [[ -z "$CFG_IPS_SSH_SETUP" ]]; then
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echo "No hosts found in the configuration."
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echo ""
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else
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# Use the CFG_IPS_SSH_SETUP variable directly
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IFS=',' read -ra ip_addresses <<< "$CFG_IPS_SSH_SETUP"
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for ip in "${ip_addresses[@]}"; do
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results=$(sqlite3 "$docker_dir/$db_file" "SELECT COUNT(*) FROM ssh WHERE ip = '$ip';")
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if [ "$results" -eq 0 ]; then
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isNotice "Copying SSH public key to $ip..."
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installSSHKeyToHost "$ip"
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databaseSSHInsert $ip;
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else
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if [[ "$toolinstallremotesshlist" == [yY] ]]; then
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while true; do
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isNotice "Make sure you have the host setup and ready with the LibrePortal preinstallation before doing this!"
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isQuestion "Is $ip prepared with the LibrePortal pre-installation? (y/n): "
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read -rp "" ishostsetupprompt
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if [[ -n "$ishostsetupprompt" ]]; then
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break
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fi
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isNotice "Please provide a valid input."
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done
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if [[ "$ishostsetupprompt" == [yY] ]]; then
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while true; do
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isQuestion "Record found for $ip. Do you want to reinstall? (y/n): "
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read -rp "" toolreinstallremotessh
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if [[ -n "$toolreinstallremotessh" ]]; then
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break
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fi
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isNotice "Please provide a valid input."
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done
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if [[ "$toolreinstallremotessh" == [yY] ]]; then
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## Start copy
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isNotice "Copying SSH public key to $ip..."
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installSSHKeyToHost "$ip"
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databaseSSHInsert $ip;
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fi
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else
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isError "Please setup your host $ip with the LibrePortal pre-installation"
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fi
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else
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isNotice "All SSH Keys are already setup."
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isNotice "'Install Remote SSH Keys' option in the tools list if you want to reinstall any keys."
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fi
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fi
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done
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# Random note - Not sure how secure having all passwords saved for SSH, so not adding
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fi
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fi
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fi
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}
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installSSHKeyToHost()
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{
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local host=$1
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local ssh_key_file="$ssh_dir$CFG_DOCKER_MANAGER_USER/ssh_key_${CFG_INSTALL_NAME}_${CFG_DOCKER_MANAGER_USER}.pub"
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# Check if the specified SSH key file exists
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if [ ! -f "$ssh_key_file" ]; then
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isError "The SSH key file '$ssh_key_file' does not exist."
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fi
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# Copy the SSH public key to the remote directory using sftp
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local result=$(sftp -oBatchMode=no -oStrictHostKeyChecking=no -oUserKnownHostsFile=/dev/null "$CFG_DOCKER_MANAGER_USER@$host" <<EOF
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cd "ssh/$CFG_DOCKER_MANAGER_USER"
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put "$ssh_key_file"
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EOF
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)
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checkSuccess "Transfering the SSH key to $host."
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isNotice "It will take time for the new SSH Key to be installed into the authorized_keys."
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isNotice "This depends entirely on the setup of LibrePortal on the host, but usually is 5 minutes"
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}
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# Function to update the authorized_keys file and the database
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updateAuthorizedKeysAndDatabase()
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{
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if [[ "$CFG_REQUIREMENT_SSHREMOTE" == "true" ]]; then
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local ssh_directory="$ssh_dir$CFG_DOCKER_MANAGER_USER" # Define ssh_directory here
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# Create an array to keep track of processed keys
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local processed_keys=()
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# Loop through the key files in the directory
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for key_file in "$ssh_directory"/*.pub; do
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if [ -f "$key_file" ]; then
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# Get the filename without the path
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key_filename=$(basename "$key_file")
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# Check if the key has already been processed
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if printf '%s\n' "${processed_keys[@]}" | grep -q -F "$key_filename"; then
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continue # Skip processing this key as it has already been processed
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fi
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#echo "DEBUG: Adding key from file: $key_file"
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#echo "DEBUG: Key filename: $key_filename"
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# Add the key to authorized_keys and the database
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addSSHKeyToAuthorizedKeysAndDatabase "$key_file" "$ssh_directory"
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# Add the key filename to the processed_keys array
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processed_keys+=("$key_filename")
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fi
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done
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# Check for keys in the database that are no longer present in the directory
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# and remove them from the database and authorized_keys file
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while IFS= read -r db_key_filename; do
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if ! ls "$ssh_directory"/*.pub | grep -q -F "$db_key_filename"; then
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# Remove the key from the database and authorized_keys file
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removeSSHKeyFromAuthorizedKeysAndDatabase "$db_key_filename" "$ssh_directory"
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fi
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done < <(sqlite3 "$docker_dir/$db_file" "SELECT name FROM ssh_keys;")
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fi
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}
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# Function to scan the folder for missing .pub keys and process them
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databaseSSHScanForKeys()
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{
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echo ""
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echo "############################################"
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echo "###### SSH Key Scan ######"
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echo "############################################"
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echo ""
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local ssh_directory="$ssh_dir$CFG_DOCKER_MANAGER_USER"
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# Check if sqlite3 is available
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if ! command -v sudo sqlite3 &> /dev/null; then
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isNotice "sqlite3 command not found. Make sure it's installed."
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fi
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# Check if database file is available
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if [ ! -f "$docker_dir/$db_file" ] ; then
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isNotice "Database file not found. Make sure it's installed."
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fi
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# Remove old keys from the authorized_keys file and the database
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updateAuthorizedKeysAndDatabase "$ssh_directory"
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updateSSHPermissions
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# Reloading SSH Service
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local result=$(sudo service ssh reload)
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checkSuccess "Reloading the SSH Service"
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isSuccessful "SSH Key Scan completed successfully."
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}
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# Function to add an SSH public key from a file to the authorized_keys file and the database
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addSSHKeyToAuthorizedKeysAndDatabase()
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{
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local key_file="$1"
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local ssh_directory="$2"
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local auth_key_file="$ssh_directory/authorized_keys" # Define auth_key_file here
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# Get the filename without the path
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local key_filename=$(basename "$key_file")
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#echo "DEBUG: Adding SSH public key from $key_filename to authorized_keys file."
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# Check if the specified SSH public key file exists
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if [ -f "$key_file" ]; then
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# Ensure the authorized_keys file is empty or create it if it doesn't exist
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if [ ! -f "$auth_key_file" ]; then
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createTouch "$auth_key_file" $docker_install_user
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fi
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# Check if the key already exists in the file
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local ssh_public_key=$(cat "$key_file")
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local key_file_name=$(basename "$key_file")
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local auth_key_file_name=$(basename "$auth_key_file")
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if ! grep -Fxq "$ssh_public_key" "$auth_key_file"; then
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#echo "DEBUG: Adding key from file: $key_file"
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#echo "DEBUG: Key filename: $key_filename"
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# Add the key to the authorized_keys file
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echo "$ssh_public_key" >> "$auth_key_file"
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checkSuccess "SSH public key from $key_filename added to $auth_key_file_name."
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#else
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#echo "NOTICE: SSH Key already exists in the authorized_keys file. Skipping..."
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fi
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# Hash the public key content
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local ssh_public_key_hash=$(echo "$ssh_public_key" | sha256sum | cut -d' ' -f1)
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# Check if the key already exists in the database
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local key_in_db=$(sqlite3 "$docker_dir/$db_file" "SELECT COUNT(*) FROM ssh_keys WHERE name = '$key_filename';")
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if [ "$key_in_db" -eq 0 ]; then
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# Key doesn't exist in the database, insert it
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local result=$(sqlite3 "$docker_dir/$db_file" "INSERT INTO ssh_keys (name, hash, date, time) VALUES ('$key_filename', '$ssh_public_key_hash', '$current_date', '$current_time');")
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checkSuccess "SSH public key from $key_filename added to the database."
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else
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# Key exists in the database, check if its content has changed
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local db_key_hash=$(sqlite3 "$docker_dir/$db_file" "SELECT hash FROM ssh_keys WHERE name = '$key_filename';")
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if [ "$db_key_hash" != "$ssh_public_key_hash" ]; then
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# Key content has changed, update the record
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local result=$(sqlite3 "$docker_dir/$db_file" "UPDATE ssh_keys SET hash = '$ssh_public_key_hash', date = '$current_date', time = '$current_time' WHERE name = '$key_filename';")
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checkSuccess "SSH Key content from $key_filename updated in the database."
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#else
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#echo "NOTICE: SSH Key content from $key_filename already exists in the database. Skipping update..."
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fi
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fi
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else
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isError "SSH public key file not found: $key_filename"
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fi
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}
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# Function to remove an SSH public key from the authorized_keys file and the database
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removeSSHKeyFromAuthorizedKeysAndDatabase()
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{
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if [[ "$CFG_REQUIREMENT_SSHREMOTE" == "true" ]]; then
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local key_filename="$1"
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local ssh_directory="$2" # Define ssh_directory here
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local auth_key_file="$ssh_directory/authorized_keys" # Define auth_key_file here
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# Remove the key from the authorized_keys file
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local result=$(sudo sed -i "/$key_filename/d" "$auth_key_file")
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checkSuccess "SSH public key '$key_filename' removed from authorized_keys file."
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# Remove the key from the database
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db_query="DELETE FROM ssh_keys WHERE name = '$key_filename';"
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local result=$(sqlite3 "$docker_dir/$db_file" "$db_query")
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checkSuccess "SSH public key '$key_filename' removed from the database."
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fi
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}
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updateSSHPermissions()
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{
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local result=$(sudo chmod 700 $ssh_dir$CFG_DOCKER_MANAGER_USER/)
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checkSuccess "Adjusting permissions for $ssh_dir$CFG_DOCKER_MANAGER_USER"
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# SSH configuration directory
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auth_key="$ssh_dir$CFG_DOCKER_MANAGER_USER/authorized_keys"
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# Check if the config file already exists
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if [ -f "$auth_key" ]; then
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local result=$(sudo chmod 600 $auth_key)
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checkSuccess "Adjusting permissions for authorized_keys"
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fi
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local result=$(sudo chmod +rx $ssh_dir $ssh_dir$CFG_DOCKER_MANAGER_USER)
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checkSuccess "Adding read and write permissions for ssh folders"
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local result=$(sudo chown -R $CFG_DOCKER_MANAGER_USER:$CFG_DOCKER_MANAGER_USER $ssh_dir$CFG_DOCKER_MANAGER_USER)
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checkSuccess "Adding chown to $CFG_DOCKER_MANAGER_USER user for ssh folders"
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local result=$(sudo find $ssh_dir$CFG_DOCKER_MANAGER_USER -type f -name "*.pub" -exec sudo chmod 600 {} \;)
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checkSuccess "Updating all permissions of keys to 600"
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}
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