#!/bin/bash
#
###############################################################################################
#
# Project	: Beabloo - applyChangesAtBootTime.sh
#
# Script	: Applies specific configuration to network/screen/sound
#
# Author	: Fabien Bouquelet
# Date		: 2010-10-05
# Last Modif 	: 2010-10-08
# Change Log	: 2010-10-05 - First version
# 		: 2010-10-08 - Adapt new variable names
# 		: 2011-07-21 - xrandr multilines commands
# 		: 2011-07-22 - fix for xrandr multilines commands when parameters are empty
# 		: 2011-07-25 - fix xrandr "-s" only bug
#
# Copyright (C) 2008 - 2010 Beabloo. All rights reserved.
#
###############################################################################################
#

## VERSION
NAME=`echo "$0" | sed 's/.*\/\(.*\)\.sh/\1/' | sed 's/.*\/\(.*\)/\1/'`
SCRIPT_UNIX_TIME=`ls -lrt --full-time $0 | awk '{print $6,$7}' | cut -d"." -f1`
SCRIPT_TIMESTAMP=`date "+%y.%m.%d" -d"${SCRIPT_UNIX_TIME}"`
RELEASE="Beabloo ${NAME} v${SCRIPT_TIMESTAMP}"

# PRINT VERSION
# echo "${RELEASE}"

# --------------------------------------------------------------------------------------------
#                                       Properties
# --------------------------------------------------------------------------------------------

GENERATED_CHANGES_LIST=/opt/www/cgi-bin/changesToBeApplied.lst
CHANGES_LIST=/opt/www/cgi-bin/current_settings.lst
DEFAULT_INTERFACES_FILE=/opt/beabloo/scripts/interfaces
INTERFACES_FILE=/etc/network/interfaces
DNS_CACHE_FWD_FILE=/var/lib/svscan/dnscache/env/FORWARDONLY
DNS_CACHE_SERVER_FILE=/var/lib/svscan/dnscache/root/servers/@
PROXY_CONF_FILE=/opt/beabloo/data/proxy/rabbit.conf
X_CONFIGURATION_FILE=/home/beabloo/.xprofile

# --------------------------------------------------------------------------------------------
#                                       Functions
# --------------------------------------------------------------------------------------------

saveGeneratedFile(){
	cp -p ${GENERATED_CHANGES_LIST} ${CHANGES_LIST}
}

applyChangesForNetworkInterface(){
	NEW_IP=`grep "^network_ip" ${CHANGES_LIST} | cut -d "=" -f 2`
	NEW_MASK=`grep "^network_mask" ${CHANGES_LIST} | cut -d "=" -f 2`
	NEW_GW=`grep "^network_gw" ${CHANGES_LIST} | cut -d "=" -f 2`
	if [ -n "${NEW_IP}" ] ; then
		NEW_INTERFACE_DEFINITION="# NEW INTERFACE eth0:2 CONFIGURED `date`
auto eth0:2
iface eth0:2 inet static
	address ${NEW_IP}
	netmask ${NEW_MASK}
	gateway ${NEW_GW}"
	echo -e "`cat ${DEFAULT_INTERFACES_FILE}`\n\n${NEW_INTERFACE_DEFINITION}" > ${INTERFACES_FILE}
	else
		cat ${DEFAULT_INTERFACES_FILE} > ${INTERFACES_FILE}
	fi
}

applyChangesForDNS(){
	DNS_IP_FWD=`grep "^network_dnsforwarding" ${CHANGES_LIST} | cut -d "=" -f 2`
	if [ -n "${DNS_IP_FWD}" ] ; then
		echo "${DNS_IP_FWD}" > ${DNS_CACHE_SERVER_FILE}
		echo "1" > ${DNS_CACHE_FWD_FILE}
	else
		if [ -f ${DNS_CACHE_FWD_FILE} ] ; then
			rm ${DNS_CACHE_FWD_FILE}
		fi
		echo -e "198.41.0.4\n128.9.0.107\n192.33.4.12\n128.8.10.90\n192.203.230.10\n192.5.5.241\n192.112.36.4\n128.63.2.53\n192.36.148.17\n198.41.0.10\n193.0.14.129\n198.32.64.12\n202.12.27.33" > ${DNS_CACHE_SERVER_FILE}
	fi
}

applyChangesForProxy(){
	PROXY_HOST=`grep "^network_proxy_host" ${CHANGES_LIST} | cut -d "=" -f 2`
	PROXY_PORT=`grep "^network_proxy_port" ${CHANGES_LIST} | cut -d "=" -f 2`

	cat ${PROXY_CONF_FILE} | sed "s/^proxyhost=.*$/proxyhost=${PROXY_HOST}/" | sed "s/^proxyport=.*$/proxyport=${PROXY_PORT}/" > ${PROXY_CONF_FILE}.new
	mv ${PROXY_CONF_FILE}.new ${PROXY_CONF_FILE}
}

applyChangesForDisplay(){
	export DISPLAY=:0
	RESOLUTION=`grep "^display.resolution" ${CHANGES_LIST} | cut -d "=" -f 2`
	if [ -n "${RESOLUTION}" ] ; then
		RESOLUTION="-s ${RESOLUTION}"
	fi

	ORIENTATION=`grep "^display_orientation" ${CHANGES_LIST} | cut -d "=" -f 2`
	xrandr -q | grep " connected " | grep --silent normal && ORIENTATION_POSSIBLE=true || ORIENTATION_POSSIBLE=false
	if ${ORIENTATION_POSSIBLE} ; then
		case ${ORIENTATION} in
			normal)
				ORIENTATION="--orientation normal"
				;;
			inverted)
				ORIENTATION="--orientation inverted"
				;;
			left)
				ORIENTATION="--orientation left"
				;;
			right)
				ORIENTATION="--orientation right"
				;;
		esac
	else
			ORIENTATION=""
	fi

	REFLECTION=`grep "^display.reflection" ${CHANGES_LIST} | cut -d "=" -f 2`
	if [ "${REFLECTION}" = "normal" ] ; then
		REFLECTION=""
	else
		xrandr -q | grep " connected " | grep --silent axis && AXIS_POSSIBLE=true || AXIS_POSSIBLE=false
		if ${AXIS_POSSIBLE} ; then
			REFLECTION="-x"
		else
			REFLECTION=""
		fi
	fi

	cat /dev/null > ${X_CONFIGURATION_FILE}

	if [ -n "${RESOLUTION}" ] ; then
		echo "/usr/bin/xrandr ${RESOLUTION}" >> ${X_CONFIGURATION_FILE}
	fi

	if [ -n "${ORIENTATION}" ] ; then
		echo "/usr/bin/xrandr ${ORIENTATION}" >> ${X_CONFIGURATION_FILE}
	fi

	if [ -n "${REFLECTION}" ] ; then
		echo "/usr/bin/xrandr ${REFLECTION}" >> ${X_CONFIGURATION_FILE}
	fi

	# CHECK IF FILE IS EMPTY
	if [ ! -s ${X_CONFIGURATION_FILE} ] ; then
		rm ${X_CONFIGURATION_FILE}
	else
		chown beabloo:beabloo ${X_CONFIGURATION_FILE}
	fi
}

applyChangesForSound(){
	ACTION=`grep "^sound_output" ${CHANGES_LIST} | cut -d "=" -f 2`
	if [ "${ACTION}" = "active" ] ; then
		su beabloo -c "/usr/bin/gconftool-2 --type bool --set /desktop/gnome/sound/event_sounds true"
	else
		su beabloo -c "/usr/bin/gconftool-2 --type bool --set /desktop/gnome/sound/event_sounds false"
	fi
}

# --------------------------------------------------------------------------------------------
#                                       Main
# --------------------------------------------------------------------------------------------

saveGeneratedFile
applyChangesForNetworkInterface
applyChangesForDNS
applyChangesForProxy
applyChangesForDisplay
applyChangesForSound