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+#!/bin/bash
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+#
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+# .---. . .
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+# | | |
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+# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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+# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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+# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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+#
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+# Freedom in the Cloud
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+#
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+# Creates an inventory of remote backup locations
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+#
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+# License
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+# =======
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+#
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+# Copyright (C) 2015 Bob Mottram <bob@robotics.uk.to>
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+#
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+# This program is free software: you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation, either version 3 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program. If not, see <http://www.gnu.org/licenses/>.
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+
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+NO_OF_ARGS=$#
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+
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+# User to create the list for
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+MY_USERNAME=
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+
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+# Filename of the remote backups list
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+FRIENDS_SERVERS_LIST=
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+
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+# Minimum password length in characters
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+MINIMUM_PASSWORD_LENGTH=10
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+
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+# How many remote locations were specified
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+entering_remote_backups_ctr=0
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+
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+function show_help {
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+ echo ''
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+ echo 'freedombone-remote -u [username] -l [backup list filename] -m [min password length]'
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+ echo ''
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+ echo 'Creates an inventory of remote backup locations'
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+ echo ''
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+ echo ''
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+ echo ' -h --help Show help'
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+ echo ' -l --list Remote backup list (usually /home/$USER/backup.list)'
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+ echo ' -m --min Minimum password length (characters)'
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+ echo ''
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+ exit 0
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+}
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+
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+# If there are no options specified
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+if [[ $NO_OF_ARGS == 0 ]]; then
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+ show_help
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+ exit 0
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+fi
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+
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+# Get the commandline options
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+while [[ $# > 1 ]]
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+do
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+key="$1"
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+
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+case $key in
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+ -h|--help)
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+ show_help
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+ ;;
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+ # backup list filename
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+ # typically /home/$USER/backup.list
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+ -l|--list)
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+ shift
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+ FRIENDS_SERVERS_LIST="$1"
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+ ;;
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+ # username within /home
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+ -u|--user)
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+ shift
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+ MY_USERNAME="$1"
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+ ;;
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+ # Minimum password length
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+ -m|--min)
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+ shift
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+ MINIMUM_PASSWORD_LENGTH="$1"
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+ ;;
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+ *)
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+ # unknown option
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+ ;;
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+esac
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+shift
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+done
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+
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+
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+function interactive_configuration_remote_backups {
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+ if [ ! $MY_USERNAME ]; then
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+ echo 'Please specify a username with the -u option'
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+ exit 7356
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+ fi
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+
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+ if [ ! /home/$MY_USERNAME ]; then
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+ echo "The user /home/$MY_USERNAME does not exist on the system"
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+ exit 3689
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+ fi
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+
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+ if [ ! $FRIENDS_SERVERS_LIST ]; then
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+ FRIENDS_SERVERS_LIST=/home/$MY_USERNAME/backup.list
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+ fi
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+
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+ # clear any existing list
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+ if [ -f $FRIENDS_SERVERS_LIST ]; then
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+ rm -f $FRIENDS_SERVERS_LIST
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+ touch $FRIENDS_SERVERS_LIST
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+ fi
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+ # number of entries made
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+ entering_remote_backups_ctr=1
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+
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+ entering_remote_backups_done="no"
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+ while [[ $entering_remote_backups_done == "no" ]]
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+ do
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+ data=$(tempfile 2>/dev/null)
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+ trap "rm -f $data" 0 1 2 5 15
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+ dialog --backtitle "Freedombone Configuration" \
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+ --title "Remote Backup ${entering_remote_backups_ctr}" \
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+ --form "\nPlease specify the SSH login details:" 11 55 4 \
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+ "Username:" 1 1 "" 1 16 16 15 \
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+ "Domain:" 2 1 "" 2 16 16 15 \
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+ "SSH port:" 3 1 "22" 3 16 5 4 \
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+ "Password:" 4 1 "" 4 16 20 100 \
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+ 2> $data
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+ sel=$?
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+ case $sel in
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+ 1) entering_remote_backups_done="yes";;
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+ 255) entering_remote_backups_done="yes";;
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+ esac
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+ remote_ssh_username=$(cat $data | sed -n 1p)
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+ remote_ssh_domain=$(cat $data | sed -n 2p)
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+ remote_ssh_port=$(cat $data | sed -n 3p)
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+ remote_ssh_password=$(cat $data | sed -n 4p)
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+ if [[ $remote_ssh_username != "" && \
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+ $remote_ssh_domain != "" && \
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+ $remote_ssh_port != "" && \
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+ $remote_ssh_password != "" ]]; then
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+
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+ if [ ${#remote_ssh_password} -lt $MINIMUM_PASSWORD_LENGTH ]; then
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+ dialog --title "Password quality check" --msgbox "The password given was too short. It must be at least $MINIMUM_PASSWORD_LENGTH characters" 6 40
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+ else
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+ echo "$remote_ssh_username@$remote_ssh_domain:$remote_ssh_port//home/$remote_ssh_username $remote_ssh_password" >> $FRIENDS_SERVERS_LIST
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+ entering_remote_backups_ctr=$((entering_remote_backups_ctr + 1))
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+ fi
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+ else
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+ entering_remote_backups_done="yes"
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+ fi
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+ done
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+ if [ -f $FRIENDS_SERVERS_LIST ]; then
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+ chown $MY_USERNAME:$MY_USERNAME $FRIENDS_SERVERS_LIST
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+ fi
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+}
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+
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+function show_result {
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+ clear
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+ if (( $entering_remote_backups_ctr < 2 )); then
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+ echo 'No remote backup locations were specified'
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+ exit 0
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+ fi
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+ if [ ! -f $FRIENDS_SERVERS_LIST ]; then
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+ echo "No remote backups list found: $FRIENDS_SERVERS_LIST"
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+ exit 7358
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+ fi
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+ echo ''
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+ echo "Remote backups list: $FRIENDS_SERVERS_LIST"
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+ echo ''
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+ echo 'Contents:'
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+ echo ''
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+ cat $FRIENDS_SERVERS_LIST
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+ echo ''
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+}
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+
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+interactive_configuration_remote_backups
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+show_result
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+exit 0
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Bob Mottram
10 年之前