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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Backup to local storage - typically a USB drive
# License
# =======
#
# Copyright (C) 2015-2016 Bob Mottram <bob@freedombone.net>
#
# 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 <http://www.gnu.org/licenses/>.
PROJECT_NAME='freedombone'
COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
CONFIGURATION_FILE=$HOME/${PROJECT_NAME}.cfg
BACKUP_EXTRA_DIRECTORIES=/root/backup-extra-dirs.csv
ENABLE_BACKUP_VERIFICATION="no"
export TEXTDOMAIN=${PROJECT_NAME}-backup-local
export TEXTDOMAINDIR="/usr/share/locale"
PROJECT_INSTALL_DIR=/usr/local/bin
if [ -f /usr/bin/${PROJECT_NAME} ]; then
PROJECT_INSTALL_DIR=/usr/bin
fi
source $PROJECT_INSTALL_DIR/${PROJECT_NAME}-vars
# include utils which allow function_check and drive mount
UTILS_FILES=/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*
for f in $UTILS_FILES
do
source $f
done
USB_DRIVE=/dev/sdb1
USB_MOUNT=/mnt/usb
read_config_param USB_DRIVE
ADMIN_USERNAME=
ADMIN_NAME=
# The name of a currently suspended site
# Sites are suspended so that verification should work
SUSPENDED_SITE=
DATABASE_PASSWORD=''
if [ -f /root/dbpass ]; then
DATABASE_PASSWORD=$(cat /root/dbpass)
fi
function make_backup_directory {
# make a backup directory on the drive
if [ ! -d $USB_MOUNT/backup ]; then
mkdir $USB_MOUNT/backup
fi
if [ ! -d $USB_MOUNT/backup ]; then
echo $"There was a problem making the directory $USB_MOUNT/backup."
umount $USB_MOUNT
rm -rf $USB_MOUNT
exit 3
fi
}
function check_storage_space_remaining {
# Check space remaining on the usb drive
used_percent=$(df -k $USB_MOUNT | tail -n 1 | awk -F ' ' '{print $5}' | awk -F '%' '{print $1}')
if [ $used_percent -gt 95 ]; then
echo $"Less than 5% of space remaining on backup drive"
umount $USB_MOUNT
rm -rf $USB_MOUNT
exit 4
fi
}
function backup_users {
# Backup user files
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
# Backup any gpg keys
if [ -d /home/$USERNAME/.gnupg ]; then
echo $"Backing up gpg keys for $USERNAME"
backup_directory_to_usb /home/$USERNAME/.gnupg gnupg/$USERNAME
fi
# Backup any personal settings
if [ -d /home/$USERNAME/personal ]; then
echo $"Backing up personal settings for $USERNAME"
backup_directory_to_usb /home/$USERNAME/personal personal/$USERNAME
fi
# Backup ssh keys
if [ -d /home/$USERNAME/.ssh ]; then
echo $"Backing up ssh keys for $USERNAME"
backup_directory_to_usb /home/$USERNAME/.ssh ssh/$USERNAME
fi
# Backup fin database if it exists
if [ -d /home/$USERNAME/.fin ]; then
echo $"Backing up fin files for $USERNAME"
backup_directory_to_usb /home/$USERNAME/.fin fin/$USERNAME
fi
# Backup emacs
if [ -d /home/$USERNAME/.emacs.d ]; then
echo $"Backing up Emacs config for $USERNAME"
if [ -f /home/$USERNAME/.emacs ]; then
cp /home/$USERNAME/.emacs /home/$USERNAME/.emacs.d/dotemacs
fi
backup_directory_to_usb /home/$USERNAME/.emacs.d config/$USERNAME
fi
# Backup user configs
if [ -d /home/$USERNAME/.config ]; then
echo $"Backing up config files for $USERNAME"
backup_directory_to_usb /home/$USERNAME/.config config/$USERNAME
fi
# Backup monkeysphere
if [ -d /home/$USERNAME/.monkeysphere ]; then
echo $"Backing up monkeysphere files for $USERNAME"
backup_directory_to_usb /home/$USERNAME/.monkeysphere monkeysphere/$USERNAME
fi
# Backup user local
if [ -d /home/$USERNAME/.local ]; then
echo $"Backing up local files for $USERNAME"
backup_directory_to_usb /home/$USERNAME/.local local/$USERNAME
fi
# Backup mutt
if [ -f /home/$USERNAME/.muttrc ]; then
echo $"Backing up Mutt settings for $USERNAME"
if [ ! -d /home/$USERNAME/tempbackup ]; then
mkdir -p /home/$USERNAME/tempbackup
fi
cp /home/$USERNAME/.muttrc /home/$USERNAME/tempbackup
if [ -f /etc/Muttrc ]; then
cp /etc/Muttrc /home/$USERNAME/tempbackup
fi
backup_directory_to_usb /home/$USERNAME/tempbackup mutt/$USERNAME
fi
# Backup email
if [ -d /home/$USERNAME/Maildir ]; then
echo $"Stopping mail server"
systemctl stop exim4
echo $"Creating an email archive for $USERNAME"
if [ ! -d /root/tempbackupemail/$USERNAME ]; then
mkdir -p /root/tempbackupemail/$USERNAME
fi
tar -czvf /root/tempbackupemail/$USERNAME/maildir.tar.gz /home/$USERNAME/Maildir
echo $"Restarting mail server"
systemctl start exim4
echo $"Backing up emails for $USERNAME"
backup_directory_to_usb /root/tempbackupemail/$USERNAME mail/$USERNAME
fi
# Backup spamassassin
if [ -d /home/$USERNAME/.spamassassin ]; then
echo $"Backing up spamassassin settings for $USERNAME"
backup_directory_to_usb /home/$USERNAME/.spamassassin spamassassin/$USERNAME
fi
# Backup procmail
if [ -f /home/$USERNAME/.procmailrc ]; then
echo $"Backing up procmail settings for $USERNAME"
if [ ! -d /home/$USERNAME/tempbackup ]; then
mkdir -p /home/$USERNAME/tempbackup
fi
cp /home/$USERNAME/.procmailrc /home/$USERNAME/tempbackup
backup_directory_to_usb /home/$USERNAME/tempbackup procmail/$USERNAME
fi
fi
done
}
function backup_directories {
# directories to be backed up (source,dest)
backup_dirs=(
"/etc/letsencrypt, letsencrypt"
"/etc/ssl, ssl"
"/var/spool/mlmmj, mailinglist"
"/etc/nginx/sites-available, web"
"/var/lib/tor, tor"
)
for dr in "${backup_dirs[@]}"
do
# if this directory exists then back it up to the given destination
source_directory=$(echo $dr | awk -F ',' '{print $1}' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
if [ -d $source_directory ]; then
dest_directory=$(echo $dr | awk -F ',' '{print $2}' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
echo $"Backing up $source_directory to $dest_directory"
backup_directory_to_usb $source_directory $dest_directory
fi
restart_site
done
}
function remove_backup_directory {
if [ $1 ]; then
if [[ $1 == "remove" ]]; then
if [ -d $USB_MOUNT/backup ]; then
rm -rf $USB_MOUNT/backup
echo $'Existing backup directory removed'
backup_unmount_drive
exit 0
fi
fi
fi
}
function prepare_directories {
# Some miscellaneous preparation for backing up directories
if [ -d /var/lib/tox-bootstrapd ]; then
cp /etc/tox-bootstrapd.conf /var/lib/tox-bootstrapd
if [ -d /var/lib/tox-bootstrapd/Maildir ]; then
rm -rf /var/lib/tox-bootstrapd/Maildir
fi
fi
}
function backup_configfiles {
echo $"Backing up ${PROJECT_NAME} configuration files"
temp_backup_dir=/root/tempbackupconfig
if [ ! -d $temp_backup_dir ]; then
mkdir -p $temp_backup_dir
fi
cp -f $CONFIGURATION_FILE $temp_backup_dir
cp -f $COMPLETION_FILE $temp_backup_dir
if [ -f $BACKUP_EXTRA_DIRECTORIES ]; then
cp -f $BACKUP_EXTRA_DIRECTORIES $temp_backup_dir
fi
# nginx password hashes
if [ -f /etc/nginx/.htpasswd ]; then
cp -f /etc/nginx/.htpasswd $temp_backup_dir/htpasswd
fi
backup_directory_to_usb $temp_backup_dir configfiles
}
function backup_admin_readme {
if [ -f /home/$ADMIN_USERNAME/README ]; then
echo $"Backing up README"
temp_backup_dir=/home/$ADMIN_USERNAME/tempbackup
if [ ! -d $temp_backup_dir ]; then
mkdir -p $temp_backup_dir
fi
cp -f /home/$ADMIN_USERNAME/README $temp_backup_dir
backup_directory_to_usb $temp_backup_dir readme
fi
}
function backup_mariadb {
if [ ${#DATABASE_PASSWORD} -gt 1 ]; then
temp_backup_dir=/root/tempmariadb
if [ ! -d $temp_backup_dir ]; then
mkdir $temp_backup_dir
fi
mysqldump --lock-tables --password="$DATABASE_PASSWORD" mysql user > $temp_backup_dir/mysql.sql
if [ ! -s $temp_backup_dir/mysql.sql ]; then
echo $"Unable to backup mysql settings"
rm -rf $temp_backup_dir
umount $USB_MOUNT
rm -rf $USB_MOUNT
exit 8
fi
echo "$DATABASE_PASSWORD" > $temp_backup_dir/db
chmod 400 $temp_backup_dir/db
backup_directory_to_usb $temp_backup_dir mariadb
fi
}
# has the remove option been set ?
remove_option=$2
if [[ $1 == "remove" ]]; then
remove_option=$1
fi
backup_mount_drive $1 $2
remove_backup_directory $remove_option
make_backup_directory
check_storage_space_remaining
backup_users
prepare_directories
backup_directories
backup_apps local
backup_configfiles
backup_admin_readme
backup_mariadb
backup_extra_directories local
backup_unmount_drive $USB_DRIVE $USB_MOUNT
echo $"Backup to USB drive is complete. You can now unplug it."
exit 0