From 1a0c1b984fc6acfdb9f0969cdecfd5c67badfc67 Mon Sep 17 00:00:00 2001
From: Janek Bevendorff <janek@jbev.net>
Date: Fri, 18 Nov 2016 00:02:35 +0100
Subject: [PATCH] Add logging

---
 install.sh                 |  7 ++++-
 server/etc/events_synology |  5 ++++
 server/usr/bin/rs-logger   | 59 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 server/etc/events_synology
 create mode 100755 server/usr/bin/rs-logger

diff --git a/install.sh b/install.sh
index 9edf281..5fe58da 100755
--- a/install.sh
+++ b/install.sh
@@ -143,7 +143,7 @@ if [[ $MODE == "install" ]]; then
 			$MKDIR "$BKP_DIR"/usr/share/perl5
 		fi
 
-		# Append fstab entries
+		# 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
@@ -156,6 +156,11 @@ if [[ $MODE == "install" ]]; then
 					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
diff --git a/server/etc/events_synology b/server/etc/events_synology
new file mode 100644
index 0000000..aa4a960
--- /dev/null
+++ b/server/etc/events_synology
@@ -0,0 +1,5 @@
+
+[99000000]
+# rs-backup-suite
+99000001 = "@1"
+
diff --git a/server/usr/bin/rs-logger b/server/usr/bin/rs-logger
new file mode 100755
index 0000000..bd3416a
--- /dev/null
+++ b/server/usr/bin/rs-logger
@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+##
+# Copyright (C) 2013-2016 Janek Bevendorff
+# Website: http://www.refining-linux.org/
+# 
+# Log to appropriate syslog facility.
+# 
+# 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 [ "$2" == "" ] ; then
+	echo "Usage: $(basename $0) <info|warn|err> <message>"
+	exit
+fi
+
+if [ "$1" != "info" ] && [ "$1" != "warn" ] && [ "$1" != "err" ]; then
+	echo "Invalid log priority '$1'. Choose from <info|warn|err>."
+	exit 1
+fi
+
+distribution=$(rs-detect-distribution)
+
+if [[ "Synology" == "${distribution}" ]]; then
+	# Use Synology's crappy synologd if we're on DSM
+	synologset1 sys $1 0x99000001 "$2"
+else
+	# Any other distribution
+	command -v logger > /dev/null
+	if [ $? -eq 0 ]; then
+		logger -p $1 -t rs-backup-server "$2"
+	else
+		# Log to STDOUT/STDERR if we have no syslog facility
+		if [ "$1" == "err" ]; then
+			echo "ERROR: $2" >&2
+		elif [ "$1" == "warn" ]; then
+			echo "WARNING: $2" >&2
+		else
+			echo "INFO: $2"
+		fi
+	fi
+fi