# $Header: /home/cvsd/alx-cvs/alx-src/alxconfig-ng/functions/config_sessions.sh,v 1.13 2005-09-01 18:27:44 niro Exp $
# configures ica-sessions on the host via mysql db settings

get_sessions_settings()
{
	local x i all count

	# all arrays:
	# ->  session1 session2 ... sessionN

	# get settings from database
	all=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"select filename from cfg_sessions where serial='${ALX_SERIAL}'")

	# split'em up and put in an array (only if $all not zero)
	declare -i i=0
	if [ -n "${all}" ]
	then
		for x in ${all}
		do
			ALX_SESSIONS[${i}]=${x}
			((i++))
		done
		count=${i}
	else
		count=0
	fi

	# get settings from database
	ALX_PROGRAMS=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
		"select name from cfg_other_menuitems where serial='${ALX_SERIAL}'")

	export ALX_SESSIONS
	export ALX_PROGRAMS
}

get_autostart_settings()
{
	# get settings from database
	ALX_AUTOSTART=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"select session from cfg_autostart where serial='${ALX_SERIAL}'")

	export ALX_AUTOSTART
}

generate_ica_session_files()
{
	local all_ids
	local i
	local x
	local server
	local ses_session
	local ses_filename
	local ses_username
	local ses_domain
	local ses_password
	local ses_browseradrs
	local ses_colors

	# get settings from database
	all_ids=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"select id from cfg_sessions where serial='${ALX_SERIAL}'")

	for i in ${all_ids}
	do
		# get settings
		ses_session=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
				"select session from cfg_sessions where serial='${ALX_SERIAL}' and id='${i}'")

		ses_filename=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
				"select filename from cfg_sessions where serial='${ALX_SERIAL}' and id='${i}'")

		ses_username=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
				"select username from cfg_sessions where serial='${ALX_SERIAL}' and id='${i}'")

		ses_domain=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
				"select domain from cfg_sessions where serial='${ALX_SERIAL}' and id='${i}'")

		ses_password=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
				"select password from cfg_sessions where serial='${ALX_SERIAL}' and id='${i}'")

		ses_browseradrs=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
				"select browseradrs from cfg_sessions where serial='${ALX_SERIAL}' and id='${i}'")

		# get the right colors
		ses_colors=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"select depth from cfg_graphic where serial='${ALX_SERIAL}'")
		case ${ses_colors} in
			24) ses_colors="8";;
			16) ses_colors="4";;
			8) ses_colors="2";;
			*) ses_colors="2";;
		esac

		# write session files
		echo '[WFClient]' > ${ALX_ICA_SESSIONS}/${ses_filename}
		echo 'Version=2' >> ${ALX_ICA_SESSIONS}/${ses_filename}
		OLD_IFS="$IFS"
		IFS=";"
		declare -i x=0
		for server in ${ses_browseradrs}
		do
			(( x++ ))
			echo "TcpBrowserAddress${x}=${server}" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		done
		IFS="${OLD_IFS}"
		unset x
		unset OLD_IFS
		
		echo 'ScreenPercent=0' >> ${ALX_ICA_SESSIONS}/${ses_filename}

		echo '[ApplicationServers]' >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo "${ses_session}=" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		
		echo "[${ses_session}]" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo "Address=${ses_session}" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo "InitialProgram=#${ses_session}" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo "DesiredColor=${ses_colors}" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo 'TransportDriver=TCP/IP' >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo 'WinStationDriver=ICA 3.0' >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo "ClearPassword=${ses_password}" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo "Username=${ses_username}" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo "Domain=${ses_domain}" >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo 'UseFullScreen=Yes' >> ${ALX_ICA_SESSIONS}/${ses_filename}
		echo 'NoWindowManager=True' >> ${ALX_ICA_SESSIONS}/${ses_filename}
	done
}

# generates a sh file to start programs
generate_program_sh()
{
	local dest
	local name
	local exec
	local workdir

	# very basic getops
	for i in $*
	do
		case $1 in
			--name|-n) shift; name="$1" ;;
			--exec|-x) shift; exec="$1" ;;
			--dest|-d) shift; dest="$1" ;;
			--workdir|-w) shift; workdir="$1" ;;
        	esac
		shift
	done

	# abort if name, dest or exec not given
	[ -z "${name}" ] && return 1
	[ -z "${exec}" ] && return 1
	[ -z "${dest}" ] && return 1

	echo "#!/bin/sh" > ${dest}
	[ -n "${workdir}" ] && echo "cd ${workdir}" >> ${dest}
	echo "exec ${exec}" >> ${dest}

	chmod 0755 ${dest}
}

get_other_menuitems()
{
	local x i progsh_path name exec icon workdir

	# all arrays:
	# ->  session1 session2 ... sessionN

	# get settings from database -> now stored in ALX_PROGRAMS

	# abort if empty
	[ -z "${ALX_PROGRAMS}" ] && return 0
	
	progsh_path=${ALX_UNPRIV_HOME}/.alxprogs
	[ -d ${progsh_path} ] && rm -rf ${progsh_path}
	install -d ${progsh_path}

	# gen menu items
	for x in ${ALX_PROGRAMS}
	do
		# to be sure
		unset name
		unset exec
		unset workdir
		unset icon

		name=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"select name from cfg_other_menuitems where serial='${ALX_SERIAL}' and name='${x}'")

		exec=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"select exec from cfg_other_menuitems where serial='${ALX_SERIAL}' and name='${x}'")

		workdir=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"select workdir from cfg_other_menuitems where serial='${ALX_SERIAL}' and name='${x}'")

		icon=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
			"select icon from cfg_other_menuitems where serial='${ALX_SERIAL}' and name='${x}'")

		# debug only
		#echo "DEBUG: ${x}: name:'${name}' exec:'${exec}' workdir:'${workdir}' ic$

		# now echo config line for fluxbox-menu
		# make it "configureable" :P
		#[ -n "${workdir}" ] && workdir="cd ${workdir};"
		[ -n "${workdir}" ] && workdir="--workdir ${workdir}"
		[ -n "${icon}" ] && icon="<${icon}>"

		# gen prog startup wrapper
		generate_program_sh \
			--name "${name}" \
			--exec "${exec}" \
			--dest "${progsh_path}/${name}" \
			"${workdir}"

		echo "[exec] (${name}) {${progsh_path}/${name}} ${icon}"
	done
}

# helper functions for generate all desktop icons
generate_icon()
{
	local name
	local icon
	local command
	local dest
	local yres
	local xres
	local iwidth
	local iheight
	local deficon

	# very basic getops
	for i in $*
	do
		case $1 in
			--name|-n) shift; name="$1" ;;
			--command|-c) shift; command="$1" ;;
			--icon|-i) shift; icon="$1" ;;
			--dest|-d) shift; dest="$1" ;;
			--xres|-x) shift; xres="$1" ;;
			--yres|-y) shift; yres="$1" ;;
			--icon-width|-w) shift; iwidth="$1" ;;
			--icon-height|-h) shift; iheight="$1" ;;
			--default-icon) shift; deficon="$1" ;;
        	esac
		shift
	done

	# some sanity checks :

	# abort if name or command not given
	[ -z "${name}" ] && return 1
	[ -z "${command}" ] && return 1

	# use some defaults for icon, dest, {x,y}res
	[ -z "${xres}" ] && xres=20
	[ -z "${yres}" ] && xres=20
	[ -z "${dest}" ] && dest="${ALX_UNPRIV_HOME}/.xtdesktop/${name}.lnk"
	if [ -z "${icon}" ] || [ ! -f "${icon}" ]
	then
		# if no default icon is given use default.png
		[ -z "${deficon}" ] && deficon="default.png"
		icon="${ALX_SESSIONS_ICONS}/${deficon}"
	fi

	echo "table Icon" > ${dest}
	echo "  Type: Program" >> ${dest}
	echo "  Caption: ${name}" >> ${dest}
	echo "  Command: ${command}" >> ${dest}
	echo "  Icon: ${icon}" >> ${dest}
	echo "  X: ${xres}" >> ${dest}
	echo "  Y: ${yres}" >> ${dest}

	# add these only if not zero
	if [ -n "${iwidth}" ] && [ -n "${iheight}" ]
	then
		echo "  IconWidth: ${iwidth}" >> ${dest}
		echo "  IconHeight: ${iheight}" >> ${dest}
	fi

	echo "end" >> ${dest}
}

generate_all_desktop_icons()
{
	local res
	local xres
	local yres
	local icon_list
	local x
	local y
	local item
	local progsh_path

	# get the resolution
	res=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
		"select resolution from cfg_graphic where serial='${ALX_SERIAL}'")

	# split res to x & y
	xres="$(echo ${res} | cut -dx -f1)"
	yres="$(echo ${res} | cut -dx -f2)"

	# top left edge of the icon is given in config file
	# remove a little bit to simulate the bottom-right edge
	xres="$(( ${xres} - 120 ))"
	yres="$(( ${yres} - 80 ))"

	# basic config
	cat ${ALX_SKELETONS}/xtdesktop/xtdeskrc > ${ALX_UNPRIV_HOME}/.xtdeskrc

	# clean desktop icon location
	[ -d ${ALX_UNPRIV_HOME}/.xtdesktop ] && rm -rf ${ALX_UNPRIV_HOME}/.xtdesktop
	install -d ${ALX_UNPRIV_HOME}/.xtdesktop


	# default settings
	declare -i x=20
	declare -i y=20

	# first all ica sessions
	local count=${#ALX_SESSIONS[*]}
	for (( i=0; i < count; i++ ))
	do
		icon_list="${icon_list} $(basename ${ALX_SESSIONS[${i}]} .ica)"
	done

	for item in ${icon_list}
	do
		# abort if empty
		[ -z "${item}" ] && continue

		# new line if x > xres
		if [ ${x} -ge ${xres} ];then
			x=20
			y=$((${y} + 80))
		fi

		# new row if y > yres
		if [ ${y} -ge ${yres} ];then
			x=$((${x} + 120))
			y=20

			# re-check x
			[ ${x} -ge ${xres} ] && x=20
		fi

		generate_icon \
			--name "${item}" \
			--command "${progsh_path}/${item}" \
			--icon "${ALX_SESSIONS_ICONS}/${item}.png" \
			--dest "${ALX_UNPRIV_HOME}/.xtdesktop/${item}.lnk" \
			--xres "${x}" \
			--yres "${y}"

		y=$((${y} + 80))
	done


	# generate program icons
	icon_list="${ALX_PROGRAMS}"

	progsh_path=${ALX_UNPRIV_HOME}/.alxprogs

	for item in ${icon_list}
	do
		# abort if empty
		[ -z "${item}" ] && continue

		# new line if x > xres
		if [ ${x} -ge ${xres} ];then
			x=20
			y=$((${y} + 80))
		fi

		# new row if y > yres
		if [ ${y} -ge ${yres} ];then
			x=$((${x} + 120))
			y=20

			# re-check x
			[ ${x} -ge ${xres} ] && x=20
		fi

		generate_icon \
			--name "${item}" \
			--command "${progsh_path}/${item}" \
			--icon "${ALX_SESSIONS_ICONS}/${item}.png" \
			--dest "${ALX_UNPRIV_HOME}/.xtdesktop/${item}.lnk" \
			--xres "${x}" \
			--yres "${y}" \
			--default-icon "default_item.png"

		y=$((${y} + 80))
	done



	# last but not least gen a icon with some sys informations
	local sysinfo
	local hostname
	local osversion

	osversion="$(< /etc/mageversion)"
	hostname=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
		"select hostname from cfg_network where serial='${ALX_SERIAL}'")
	sysinfo="Hostname: ${hostname} Serial: #${ALX_SERIAL} OS: alx-${osversion} Kernel: $(uname -r)"

	# now get the right position:
	# restore orig values of xres
	xres="$(( ${xres} + 120 ))"
	# default y pos (full yres -22 = cur yres + 58 !)
	yres="$(( ${yres} + 58 ))"
	# middle of the screen
	# (no txt - length required, xtdesk manage that itself)
	xres="$(( ${xres} / 2))"

	generate_icon \
		--name "${sysinfo}" \
		--command "exit 0" \
		--icon "${ALX_SESSIONS_ICONS}/sysinfo.png" \
		--dest "${ALX_UNPRIV_HOME}/.xtdesktop/sysinfo.lnk" \
		--xres "${xres}" \
		--yres "${yres}" \
		--icon-width "1" \
		--icon-height "1"
}

config_sessions()
{
	# generate ica session files
	generate_ica_session_files

	# first of all get the vars
	get_sessions_settings
	get_autostart_settings

	local count=${#ALX_SESSIONS[*]}
	local icon
	local i

	# DEBUG
# 	declare -i i=0
# 	echo count=${count}
# 	echo "Number of new sessions: ${count}"
# 	for ((i=0; i < count; i++))
# 	do
# 		echo "${i} - ${ALX_SESSIONS[${i}]}"
# 	done

	# now setup fluxbox for user station

	# create a fresh fluxbox directory
	[ -d ${ALX_UNPRIV_HOME}/.fluxbox ] && rm -rf ${ALX_UNPRIV_HOME}/.fluxbox
	install -d ${ALX_UNPRIV_HOME}/.fluxbox

	# now generate fluxbox config files

	# fluxbox main config
	cat ${ALX_SKELETONS}/fluxbox/init \
		> ${ALX_UNPRIV_HOME}/.fluxbox/init

	# fluxbox autostart
	cat ${ALX_SKELETONS}/fluxbox/apps \
		> ${ALX_UNPRIV_HOME}/.fluxbox/apps

	# add autostart session
	if [[ ${ALX_AUTOSTART} != "" ]]
	then
		echo "[startup] {wfica ${ALX_ICA_SESSIONS}/${ALX_AUTOSTART}}" \
			>> ${ALX_UNPRIV_HOME}/.fluxbox/apps
	fi

	# fluxbox hotkeys
	cat ${ALX_SKELETONS}/fluxbox/apps \
		> ${ALX_UNPRIV_HOME}/.fluxbox/keys

	# fluxbox menu header
	cat ${ALX_SKELETONS}/fluxbox/menu.header \
		> ${ALX_UNPRIV_HOME}/.fluxbox/menu

	# now fix it with proper messages :P
	local ver="$(< /etc/mageversion)"
	sed -i "s:@CHANGEME@:alx-${ver}  #${ALX_SERIAL}:g" \
		${ALX_UNPRIV_HOME}/.fluxbox/menu

	# add a newline (maybe there is no crlf in the header)
	echo >> ${ALX_UNPRIV_HOME}/.fluxbox/menu

	# fluxbox menu sessions
	for (( i=0; i < count; i++ ))
	do
		[ -n "${ALX_SESSIONS[${i}]}" ] && \
			echo "[exec] ($(basename ${ALX_SESSIONS[${i}]} .ica)) {wfica ${ALX_ICA_SESSIONS}/${ALX_SESSIONS[${i}]}}" \
				>> ${ALX_UNPRIV_HOME}/.fluxbox/menu
	done

	# add other menuitems
	get_other_menuitems >> ${ALX_UNPRIV_HOME}/.fluxbox/menu

	# fluxbox menu footer
	cat ${ALX_SKELETONS}/fluxbox/menu.footer \
		>> ${ALX_UNPRIV_HOME}/.fluxbox/menu

	# add a newline (maybe there is no crlf in the footer)
	echo >> ${ALX_UNPRIV_HOME}/.fluxbox/menu

	# now it's a good time to generate *all* icons :)
	generate_all_desktop_icons

	# set correct permissions
	chown ${ALX_UNPRIV_USER}:${ALX_UNPRIV_GROUP} ${ALX_UNPRIV_HOME}
	chown ${ALX_UNPRIV_USER}:${ALX_UNPRIV_GROUP} ${ALX_UNPRIV_HOME}/.fluxbox
	chmod 0755 ${ALX_UNPRIV_HOME}/.fluxbox
 	chmod 0755 ${ALX_UNPRIV_HOME}/.xtdesktop
 	chmod 0644 ${ALX_UNPRIV_HOME}/.xtdeskrc

	# unset vars
	unset ALX_SESSIONS
	unset ALX_PROGRAMS
}