# $Id$

provide x0vnc
require basic-video

help_vnc_service()
{
	mecho "get vnc.service"
	mecho " Shows X0-VNC facility status."
	mecho
	mecho "set vnc.service [command]"
	mecho " Controls the X0-VNC facility."
	mecho " Commands:"
	mecho "   enable  - Enable vnc for the X0 display"
	mecho "   disable - Disable vnc for the X0 display"
	mecho
	mecho " X11 restart is required!"
}

help_vnc_passwd()
{
	mecho "get vnc.passwd"
	mecho " Shows if a vnc password was set."
	mecho
	mecho "set vnc.passwd [password]"
	mecho " Sets given vnc password for remote connections."
}

helper_vnc_enable()
{
	# add to module section
	local CONFIG="${MROOT}/${MCORE_CONFIG_PATH}/xorg/module/99-vnc.conf"
	clearconfig
	addconfig '	Load	"vnc"'

	# add to screen section
	local CONFIG="${MROOT}/${MCORE_CONFIG_PATH}/xorg/screen/99-vnc.conf"
	clearconfig
	addconfig '	Option "SecurityTypes" "VncAuth"'
	addconfig '	Option "UserPasswdVerifier" "VncAuth"'
	addconfig '	Option "PasswordFile" "/root/.vnc/passwd"'

	# requires graphic!
	helper_graphic_rebuild_xorg_conf_d

	mecho "Done but X11 restart required!"
}

helper_vnc_disable()
{
	local CONFIG="${MROOT}/${MCORE_CONFIG_PATH}/xorg/screen/99-vnc.conf"
	clearconfig

	local CONFIG="${MROOT}/${MCORE_CONFIG_PATH}/xorg/module/99-vnc.conf"
	clearconfig

	# requires graphic!
	helper_graphic_rebuild_xorg_conf_d

	mecho "Done but X11 restart required!"
}

get_vnc_service()
{
	if [ -f ${MROOT}/etc/X11/xorg.conf.d/25-module.conf ]
	then
		if [[ -n $(grep 'Load.*vnc' ${MROOT}/etc/X11/xorg.conf.d/25-module.conf) ]]
		then
			mecho "VNC facility is enabled."
			rvecho "1"
		else
			mecho "VNC facility is disabled."
			rvecho "0"
		fi
	else
		mecho "VNC facility not configured yet."
		rvecho "0"
	fi
}

set_vnc_service()
{
	local action="$1"
	if [[ -z ${action} ]]
	then
		help_vnc_service
		return 1
	fi

	case ${action} in
		enable) helper_vnc_enable ;;
		disable) helper_vnc_disable ;;
		*) help_vnc_service && return 1 ;;
	esac
}

get_vnc_passwd()
{
	if [ -s ${MROOT}/root/.vnc/passwd ]
	then
		mecho "A VNC password was set."
		rvecho "1"
	else
		mecho "No VNC password was set yet."
		rvecho "0"
	fi
}

set_vnc_passwd()
{
	local pass="$1"
	local vncconfigdir="${MROOT}/root/.vnc"
	local vncpasswd="${vncconfigdir}/passwd"
	[[ -z ${pass} ]] && help_vnc_passwd && return 1
	[ -d ${vncconfigdir} ] || install -d ${vncconfigdir}

	vncpasswd "${vncpasswd}" > /dev/null << EOF
${pass}
${pass}
EOF
}