mydm-greeter-xsec-run

#!/bin/sh

usage() {
	cat << EOL
Usage: $0 [options]
  mydm greeter XSecurity wrapper

  OPTIONS
   -d, --display <DISPLAY>    the display, default :0
   -v, --vt <VT>              the vt console numver, default vt7
   -h, --help                 Show this usage.

  EXAMPLE
   $0 -d :0 -v vt7
EOL
}

DISPLAY=':0'
VT='vt7'
GREETER=''
XAUTHORITY=''

for _tag in `seq $#` ; do
	case "$1" in 
	-h|--help)
		usage
		exit 0
		;;
	-d|--display)
		DISPLAY=$2
		shift 2
		;;
	-v|--vt)
		VT=$2
		shift 2
		;;
	*)
		break
		;;
	esac
done

GREETER=`cat /etc/mydm/default-greeter`
if [ "${GREETER}" = "" ]; then
	echo 'Can not find a greeter' >&2
	exit 1
fi

mkdir -p /run/mydm
XAUTHORITY=`mktemp -p /run/mydm`
if [ "${XAUTHORITY}" = "" ]; then
	echo 'Can not create a XAUTHORITY file' >&2
	exit 1
fi

export XAUTHORITY
mydm -d ${DISPLAY} -v ${VT} -c ${GREETER} -g -- -auth ${XAUTHORITY}