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#!/bin/sh
##
# Copyright (C) 2013-2016 Janek Bevendorff
# Website: http://www.refining-linux.org/
#
# Install script for installing server and client script files
#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
##
if [[ "$1" != "all" ]] && [[ "$1" != "client" ]] && [[ "$1" != "server" ]]; then
./server/usr/bin/rs-version headline "rs-backup-suite installer"
./server/usr/bin/rs-version copyright
echo
echo "Usage: $(basename $0) [all|server|client]"
exit
fi
if [ $(id -u) -ne 0 ] && [[ "$(uname -o)" != "Cygwin" ]]; then
echo "ERROR: This script must be run as root."
exit 1
fi
###############################################################################
# Global variables
###############################################################################
DISTRIBUTION="$(./server/usr/bin/rs-detect-distribution)"
COMPONENT="$1"
MODE="install"
if [[ "$(basename $0)" == "uninstall.sh" ]]; then
MODE="uninstall"
fi
###############################################################################
# Command aliases
###############################################################################
CP="cp -vr --preserve=mode,timestamps,links"
RM="rm -Rvf"
MKDIR="mkdir -pv"
###############################################################################
# Install mode
###############################################################################
if [[ $MODE == "install" ]]; then
# Server component
if [[ $COMPONENT == "all" ]] || [[ $COMPONENT == "server" ]]; then
echo "Installing Server component..."
$CP ./server/usr/bin/* /usr/bin/
$CP ./server/usr/sbin/* /usr/sbin/
$CP ./server/etc/rs-skel /etc/
# Do not overwrite existing config
if [ ! -e /etc/rs-backup/server-config ]; then
$CP ./server/etc/rs-backup /etc/
fi
echo
echo "Installing cron scripts..."
if [ -d /etc/cron.daily ]; then
$CP ./server/etc/cron.daily/* /etc/cron.daily/
$CP ./server/etc/cron.weekly/* /etc/cron.weekly/
$CP ./server/etc/cron.monthly/* /etc/cron.monthly/
elif [ -e /etc/crontab ]; then
if ! grep -q "/usr/sbin/rs-rotate-cron" /etc/crontab; then
if [[ "$DISTRIBUTION" == "Synology" ]]; then
cat ./server/etc/crontab_synology >> /etc/crontab
synoservicectl --reload crond
else
cat ./server/etc/crontab >> /etc/crontab
fi
fi
else
echo "ERROR: Could not install cron scripts, please add rotation jobs manually." >&2
fi
echo
echo "Installing backup directory..."
if [ -e /etc/rs-backup/server-config ]; then
BKP_DIR="$(grep -o '^BACKUP_ROOT=".*"$' /etc/rs-backup/server-config | sed 's#BACKUP_ROOT=\"\(.*\)\"$#\1#')"
else
BKP_DIR="/bkp"
fi
if [[ "$DISTRIBUTION" == "Synology" ]] && [[ "$BKP_DIR" == "/bkp" ]]; then
if readlink -q /var/services/homes > /dev/null; then
BKP_DIR="/var/services/homes"
elif [ -d /volume1/homes ]; then
# Try hard
BKP_DIR="/volume1/homes"
fi
fi
echo "Backup directory path will be '$BKP_DIR'."
echo -n "Do you want to use this directory? [Y/n] "
read answer
if [[ "" != "$answer" ]] && [[ "Y" != "$answer" ]] && [[ "y" != "$answer" ]]; then
echo -n "Please enter a new location: "
read BKP_DIR
fi
# Correct backup folder path in server config
sed -i "s#^BACKUP_ROOT=\".*\"\$#BACKUP_ROOT=\"$BKP_DIR\"#" /etc/rs-backup/server-config
echo "Creating backup directory structure at '$BKP_DIR'..."
$MKDIR "$BKP_DIR"/bin
$MKDIR "$BKP_DIR"/dev
$MKDIR "$BKP_DIR"/etc
$MKDIR "$BKP_DIR"/lib
$MKDIR "$BKP_DIR"/usr/bin
[[ "$DISTRIBUTION" != "Synology" ]] && $MKDIR "$BKP_DIR"/usr/lib
if [[ "$DISTRIBUTION" == "Ubuntu" ]]; then
$MKDIR "$BKP_DIR"/usr/share/perl
elif [[ "$DISTRIBUTION" == "Synology" ]]; then
$MKDIR "$BKP_DIR"/opt/bin
$MKDIR "$BKP_DIR"/opt/lib
$MKDIR "$BKP_DIR"/opt/libexec
else
$MKDIR "$BKP_DIR"/usr/share/perl5
fi
# Apply distro-specific configurations
if [[ "$DISTRIBUTION" == "Synology" ]]; then
# Synology DSM restores default /etc/fstab upon reboot,
# so we better put mount commands in /etc/rc
if ! grep -q "^# BEGIN: rs-backup-suite" /etc/rc; then
tmp_name="/tmp/rs-backup_etc-rc.$RANDOM"
fstab_contents="$(cat ./server/etc/fstab_synology | sed "s#::BACKUP_ROOT::#$BKP_DIR#")"
tac /etc/rc | sed -e '1!b' -e '/^exit 0$/d' | tac > $tmp_name
echo "$fstab_contents" >> $tmp_name
echo "exit 0" >> $tmp_name
cat $tmp_name > /etc/rc
rm $tmp_name
fi
# Add our own syslog template
if ! grep -q "^# rs-backup-suite$" /usr/syno/synosdk/texts/enu/events; then
cat ./server/etc/events_synology >> /usr/syno/synosdk/texts/enu/events
fi
else
if ! grep -q "^# BEGIN: rs-backup-suite" /etc/fstab; then
if [[ "$DISTRIBUTION" == "Ubuntu" ]]; then
fstab_local_name="fstab_ubuntu"
elif [[ "$DISTRIBUTION" == "Synology" ]]; then
fstab_local_name="fstab_synology"
else
fstab_local_name="fstab"
fi
fstab_contents="$(cat ./server/etc/$fstab_local_name | sed "s#::BACKUP_ROOT::#$BKP_DIR#")"
echo "$fstab_contents" >> /etc/fstab
fi
fi
# Do not overwrite existing config
if [ ! -e "$BKP_DIR"/etc/rsnapshot.global.conf ]; then
$CP ./server/bkp/etc/* "$BKP_DIR"/etc/
# Correct command paths in rsnapshot config for Synology DSM
if [[ "$DISTRIBUTION" == "Synology" ]]; then
sed -i "s#/usr/bin/\(rsync\|logger\)\$#/opt/bin/\1#" "$BKP_DIR"/etc/rsnapshot.global.conf
fi
else
# Update command paths if upgrading from earlier version
echo "Updating cp and rm command paths..."
sed -i "s#/opt/bin/cp\$#/usr/bin/cp#" "$BKP_DIR"/etc/rsnapshot.global.conf
sed -i "s#/opt/bin/rm\$#/usr/bin/rs-rm#" "$BKP_DIR"/etc/rsnapshot.global.conf
fi
# Create symlink for chroot
dir="$(dirname ${BKP_DIR}${BKP_DIR})"
if [ ! -d "$dir" ]; then
$MKDIR "$dir"
fi
rel_dir="."
orig_dir="$(pwd)"
cd "$dir"
while [[ "$(realpath .)" != "$(realpath $BKP_DIR)" ]]; do
if [[ "." == "$rel_dir" ]]; then
rel_dir=".."
else
rel_dir="../$rel_dir"
fi
cd ..
done
ln -snf "$rel_dir" "${BKP_DIR}${BKP_DIR}"
cd "$orig_dir"
echo "Done."
# Client component
elif [[ $COMPONENT == "all" ]] || [[ $COMPONENT == "client" ]]; then
echo "Installing client component..."
$CP ./client/usr/bin/* /usr/bin/
$CP ./server/usr/bin/rs-version /usr/bin/
if [ -d /etc/systemd/system ]; then
echo 'Detected systemd. Run `systemctl enable rs-backup-run.timer` to enable daily backups.'
$CP ./client/etc/systemd/system/* /etc/systemd/system
fi
# Do not overwrite existing config
if [ ! -e /etc/rs-backup/client-config ]; then
$CP ./client/etc/rs-backup /etc/
elif ! $(cmp --silent ./client/etc/rs-backup/client-config /etc/rs-backup/client-config); then
$CP ./client/etc/rs-backup/client-config /etc/rs-backup/client-config.new
fi
echo "Done."
fi
###############################################################################
# Uninstall mode
###############################################################################
elif [[ "$MODE" == "uninstall" ]]; then
echo "This will uninstall rs-backup suite from this computer."
echo "Selected components for removal: $COMPONENT"
echo "NOTE: This will NOT remove your backup data, just the program!"
echo
echo -n "Do you want to continue? [y/N] "
read answer
if [[ "$answer" != "Y" ]] && [[ "$answer" != "y" ]]; then
echo "Okay, no hard feelings. Exiting."
exit
fi
# Server component
if [[ $COMPONENT == "all" ]] || [[ $COMPONENT == "server" ]]; then
echo "Uninstalling server component..."
for i in ./server/usr/bin/*; do
$RM /usr/bin/"$(basename $i)"
done
for i in ./server/usr/sbin/*; do
$RM /usr/sbin/"$(basename $i)"
done
$RM /etc/rs-skel
[ -e /etc/cron.daily/rs-backup-rotate ] && $RM /etc/cron.daily/rs-backup-rotate
[ -e /etc/cron.weekly/rs-backup-rotate ] && $RM /etc/cron.weekly/rs-backup-rotate
[ -e /etc/cron.monthly/rs-backup-rotate ] && $RM /etc/cron.monthly/rs-backup-rotate
if [ -e /etc/crontab ]; then
echo "Removing crontab entries..."
sed -i '/^@[a-z]\+ \+\/usr\/sbin\/rs-rotate-cron [a-z]\+$/d' /etc/crontab
fi
# Remove fstab entries
fstab_name="/etc/fstab"
if [[ "$DISTRIBUTION" == "Synology" ]]; then
fstab_name="/etc/rc"
fi
sed -i '/^# BEGIN: rs-backup-suite$/,/^# END: rs-backup-suite$/d' $fstab_name
echo "Done."
# Client component
elif [[ $COMPONENT == "all" ]] || [[ $COMPONENT == "client" ]]; then
echo "Uninstalling client component..."
for i in ./client/usr/bin/*; do
$RM /usr/bin/"$(basename $i)"
done
echo "Done."
fi
echo -n "Do you want to remove your config files, too? [y/N] "
read answer
if [[ "$answer" == "Y" ]] || [[ "$answer" == "y" ]]; then
echo "Removing config files..."
$RM /etc/rs-backup
echo "Done."
fi
echo
echo "INFO: Your backup folder was not removed to preserve your data."
echo " If you don't need it anymore, just delete it."
fi