#!/bin/bash # _____ _ _ # | __|___ ___ ___ _| |___ _____| |_ ___ ___ ___ # | __| _| -_| -_| . | . | | . | . | | -_| # |__| |_| |___|___|___|___|_|_|_|___|___|_|_|___| # # Freedom in the Cloud # # Creates an inventory of remote backup locations # # License # ======= # # Copyright (C) 2015-2018 Bob Mottram # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see . NO_OF_ARGS=$# PROJECT_NAME='freedombone' export TEXTDOMAIN=${PROJECT_NAME}-remote export TEXTDOMAINDIR="/usr/share/locale" CONFIG_FILE="$HOME/${PROJECT_NAME}.cfg" # User to create the list for MY_USERNAME=$USER # Filename of the remote backups list FRIENDS_SERVERS_LIST= # Minimum password length in characters MINIMUM_PASSWORD_LENGTH=$(grep 'MINIMUM_PASSWORD_LENGTH=' "/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-passwords" | head -n 1 | awk -F '=' '{print $2}') # How many remote locations were specified entering_remote_backups_ctr=0 # Title shown TITLE='Remote Backup' # Whether to include the capability of adding reciprocal user accounts # such that whoever is running a remote server can also use your server to # store backups RECIPROCAL="no" function show_help { echo '' echo $"${PROJECT_NAME}-remote -u [username] -l [backup list filename] -m [min password length]" echo '' echo $'Creates an inventory of remote backup locations' echo '' echo '' echo $' -h --help Show help' echo $' -u --username User to create the backups.list file for' echo $' -l --list Remote backup list (usually /home/$USER/backup.list)' echo $' -m --min Minimum password length (characters)' echo $' -r --reciprocal Whether to add reciprocal user accounts' echo $' -t --title Title shown' echo '' exit 0 } # Get the commandline options while [ $# -gt 1 ] do key="$1" case $key in -h|--help) show_help ;; # backup list filename # typically /home/$USER/backup.list -l|--list) shift FRIENDS_SERVERS_LIST="$1" ;; # username within /home -u|--user) shift MY_USERNAME="$1" ;; # Minimum password length -m|--min) shift MINIMUM_PASSWORD_LENGTH="$1" ;; # Title shown -t|--title) shift TITLE="$1" ;; # reciprocal user accounts -r|--reciprocal) shift RECIPROCAL="yes" ;; *) # unknown option ;; esac shift done function interactive_config_remote_backups { if [ ! "$MY_USERNAME" ]; then echo $'Please specify a username with the -u option' exit 7356 fi if [ ! -d "/home/$MY_USERNAME" ]; then echo $"The user /home/$MY_USERNAME does not exist on the system" exit 3689 fi if [ ! "$FRIENDS_SERVERS_LIST" ]; then FRIENDS_SERVERS_LIST=/home/$MY_USERNAME/backup.list fi # clear any existing list if [ -f "$FRIENDS_SERVERS_LIST" ]; then rm -f "$FRIENDS_SERVERS_LIST" touch "$FRIENDS_SERVERS_LIST" fi # number of entries made entering_remote_backups_ctr=1 entering_remote_backups_done="no" remote_ssh_username="" remote_ssh_domain="" remote_ssh_port="" remote_ssh_password="" remote_ssh_reciprocal_username="" remote_ssh_reciprocal_password="" while [[ $entering_remote_backups_done == "no" ]] do data=$(mktemp 2>/dev/null) if [[ $RECIPROCAL == "yes" ]]; then dialog --backtitle "Freedombone Configuration" \ --title "$TITLE ${entering_remote_backups_ctr}" \ --form "\\nPlease specify the SSH login details for the remote server\\n\\nThe reciprocal entries are optional, and can be used if you wish to set up a user account on this system for whoever runs the remote server to also use for backups" 20 50 8 \ "Username:" 1 1 "$remote_ssh_username" 1 23 16 15 \ "Domain:" 2 1 "$remote_ssh_domain" 2 23 16 15 \ "SSH port:" 3 1 "2222" 3 23 5 4 \ "Password:" 4 1 "$remote_ssh_password" 4 23 20 100 \ "Reciprocal Username:" 5 1 "$remote_ssh_reciprocal_username" 5 23 20 100 \ "Reciprocal Password:" 6 1 "$remote_ssh_reciprocal_password" 6 23 20 100 \ 2> "$data" else dialog --backtitle "Freedombone Configuration" \ --title "$TITLE ${entering_remote_backups_ctr}" \ --form "\\nPlease specify the SSH login details for the remote server" 15 50 4 \ "Username:" 1 1 "$remote_ssh_username" 1 23 16 15 \ "Domain:" 2 1 "$remote_ssh_domain" 2 23 16 15 \ "SSH port:" 3 1 "2222" 3 23 5 4 \ "Password:" 4 1 "$remote_ssh_password" 4 23 20 100 \ 2> "$data" fi sel=$? case $sel in 1) entering_remote_backups_done="yes";; 255) entering_remote_backups_done="yes";; esac remote_ssh_username=$(sed -n 1p < "$data") remote_ssh_domain=$(sed -n 2p < "$data") remote_ssh_port=$(sed -n 3p < "$data") remote_ssh_password=$(sed -n 4p < "$data") remote_ssh_reciprocal_username=$(sed -n 5p < "$data") remote_ssh_reciprocal_password=$(sed -n 6p < "$data") rm -f "$data" if [[ $remote_ssh_username != "" && \ $remote_ssh_domain != "" && \ $remote_ssh_port != "" && \ $remote_ssh_password != "" ]]; then if [ ${#remote_ssh_password} -lt "$MINIMUM_PASSWORD_LENGTH" ]; then dialog --title "Password quality check" --msgbox "The password given was too short. It must be at least $MINIMUM_PASSWORD_LENGTH characters" 6 40 else if [[ $RECIPROCAL == "yes" ]]; then if [[ $remote_ssh_reciprocal_username != "" && \ $remote_ssh_reciprocal_password != "" ]]; then if [ ${#remote_ssh_reciprocal_password} -lt "$MINIMUM_PASSWORD_LENGTH" ]; then dialog --title "Password quality check" --msgbox "The reciprocal password given was too short. It must be at least $MINIMUM_PASSWORD_LENGTH characters" 6 40 else echo "${remote_ssh_reciprocal_username}:${remote_ssh_reciprocal_password}::::/home/${remote_ssh_reciprocal_username}:bash" | newusers echo "$remote_ssh_username@$remote_ssh_domain $remote_ssh_port /home/$remote_ssh_username $remote_ssh_password" >> "$FRIENDS_SERVERS_LIST" remote_ssh_username="" remote_ssh_domain="" remote_ssh_port="" remote_ssh_password="" remote_ssh_reciprocal_username="" remote_ssh_reciprocal_password="" entering_remote_backups_ctr=$((entering_remote_backups_ctr + 1)) fi else echo "$remote_ssh_username@$remote_ssh_domain $remote_ssh_port /home/$remote_ssh_username $remote_ssh_password" >> "$FRIENDS_SERVERS_LIST" remote_ssh_username="" remote_ssh_domain="" remote_ssh_port="" remote_ssh_password="" remote_ssh_reciprocal_username="" remote_ssh_reciprocal_password="" entering_remote_backups_ctr=$((entering_remote_backups_ctr + 1)) fi else echo "$remote_ssh_username@$remote_ssh_domain $remote_ssh_port /home/$remote_ssh_username $remote_ssh_password" >> "$FRIENDS_SERVERS_LIST" remote_ssh_username="" remote_ssh_domain="" remote_ssh_port="" remote_ssh_password="" entering_remote_backups_ctr=$((entering_remote_backups_ctr + 1)) fi fi else entering_remote_backups_done="yes" fi done if [ -f "$FRIENDS_SERVERS_LIST" ]; then chown "$MY_USERNAME":"$MY_USERNAME" "$FRIENDS_SERVERS_LIST" fi } function show_result { clear if (( "$entering_remote_backups_ctr" < 2 )); then echo $'No remote backup locations were specified' exit 0 fi if [ ! -f "$FRIENDS_SERVERS_LIST" ]; then echo $"No remote backups list found: $FRIENDS_SERVERS_LIST" exit 7358 fi echo '' echo $"Remote backups list: $FRIENDS_SERVERS_LIST" echo '' echo $'Contents:' echo '' cat "$FRIENDS_SERVERS_LIST" echo '' } if [ ! "$FRIENDS_SERVERS_LIST" ]; then FRIENDS_SERVERS_LIST=/home/$MY_USERNAME/backup.list fi interactive_config_remote_backups show_result exit 0