#top cryptsetup¶

cryptsetup create DEVMAPP /dev/DEVMAPP
fsck -Cp /dev/mapper/DEVMAPP

cryptsetup create sda2 /dev/sda2
fsck -Cp /dev/mapper/sda2

#!/bin/sh

SELF=`basename $0`

case "$1" in
-*es2)
DEVMAPP=sda2
;;
esac

case "$1" in

-mes2)
	# mount/bind mapper
	#DEVMAPP=$2
	if [ -z $DEVMAPP ];then
		echo "$SELF $1 mapper"
		exit
	fi
	echo "cryptsetup create $DEVMAPP /dev/$DEVMAPP"
	if cryptsetup create $DEVMAPP /dev/$DEVMAPP;then
		sleep 1
		echo "fsck -Cp /dev/mapper/$DEVMAPP"
		fsck -Cp /dev/mapper/$DEVMAPP
		sleep 1
		echo "mount /dev/mapper/$DEVMAPP"
		mount /dev/mapper/$DEVMAPP
	else
		echo "cryptsetup FAILED"
	fi
;;

-ues2)
	#DEVMAPP=$2
	if [ -z $DEVMAPP ];then
		echo "$SELT $1 mapper"
		exit
	fi
	echo "umount -l /dev/mapper/$DEVMAPP"
	umount -l /dev/mapper/$DEVMAPP
	sleep 1
	echo "cryptsetup remove $DEVMAPP"
	cryptsetup remove $DEVMAPP
;;

*)
	echo "Usage:"
	echo "  $SELF -mes2 ==>  mount enc data part"
	echo "  $SELF -ues2 ==> umount enc data part"
	cat /etc/fstab | awk  'BEGIN{row=1;}{if(index($0,"/dev/mapper")>0){print(" -mes" row " =  mount enc data part ==> mount "$1);row=row+1;}}' | sed "s,^,  $SELF,g"
	cat /etc/fstab | awk  'BEGIN{row=1;}{if(index($0,"/dev/mapper")>0){print(" -ues" row " = umount enc data part ==> mount "$1);row=row+1;}}' | sed "s,^,  $SELF,g"
;;

esac