Mount/umount wrapper for dislocker on Linux x64

mount-bitlocker

#!/bin/bash
BITLOCKER_PARTITION="${1}"
BITLOCKER_PASSWORD="${2}"

function usage() {
    echo "$(basename ${0}) <partition> <password>"
    echo "Unlocks and mounts a bitlocker partition as read-only"
    echo "Get by lsblk -f"
}

if [ -z "${BITLOCKER_PARTITION}" ]
then
    echo "Please provide partiton"
    usage
    exit 1
fi

# Make sure the partition exists
if [ ! -e "${BITLOCKER_PARTITION}" ]
then
    echo "'${BITLOCKER_PARTITION}' does not exist"
    usage
    exit 1
fi

# Make sure it is indeed a block device
if [ ! -b "${BITLOCKER_PARTITION}" ]
then
    echo "'${BITLOCKER_PARTITION}' is not a block device"
    usage
    exit 1
fi

# Now verify there's a password
if [ -z "${BITLOCKER_PASSWORD}" ]
then
    echo "Please, provide a password"
    usage
    exit 1
fi

# Make sure runnign as rootw
if [[ ${EUID} > 0 ]]
then
    echo "Please, run as root"
    usage
    exit 1
fi

BITLOCKER_NAME=$(basename ${BITLOCKER_PARTITION})
BITLOCKER_VMOUNT="/media/.bitlocker/${BITLOCKER_NAME}"
BITLOCKER_FILE="${BITLOCKER_VMOUNT}/dislocker-file"
BITLOCKER_MOUNT="/media/${BITLOCKER_NAME}"

echo "Unlocking ${BITLOCKER_PARTITION} to ${BITLOCKER_FILE}"
mkdir -p ${BITLOCKER_VMOUNT}
mkdir -p ${BITLOCKER_MOUNT}
dislocker -v -V "${BITLOCKER_PARTITION}" -u"${BITLOCKER_PASSWORD}" -- "${BITLOCKER_VMOUNT}"
if [[ ${?} != 0 ]]
then
    echo "Dislocker operation failed"
    exit 1
fi

echo "Mounting unlocked image to ${BITLOCKER_MOUNT}"
mount -o loop -o allow_other ${BITLOCKER_FILE} ${BITLOCKER_MOUNT}
if [[ ${?} != 0 ]]
then
    echo "Mounting the unlocked image failed"
    exit 1
fi

echo "Bitlocker partition ${BITLOCKER_PARTITION} successfully mounted at ${BITLOCKER_MOUNT}"

umount-bitlocker

#!/bin/bash
BITLOCKER_PARTITION="${1}"
set -e 

function usage() {
    echo "$(basename ${0}) <partition>"
    echo "Unmounts a previously unlocked bitlocker partition"
}

if [ -z "${BITLOCKER_PARTITION}" ]
then
    echo "Please provide partiton"
    usage
    exit 1
fi

# Make sure the partition exists
if [ ! -e "${BITLOCKER_PARTITION}" ]
then
    echo "File '${BITLOCKER_PARTITION}' does not exist"
    usage
    exit 1
fi

# Make sure it is indeed a block device
if [ ! -b "${BITLOCKER_PARTITION}" ]
then
    echo "File '${BITLOCKER_PARTITION}' is not a block device"
    usage
    exit 1
fi

# Make sure running as root
if [[ ${EUID} > 0 ]]
then
    echo "Please, run as root"
    usage
    exit 1
fi

BITLOCKER_NAME=$(basename ${BITLOCKER_PARTITION})
BITLOCKER_VMOUNT="/media/.bitlocker/${BITLOCKER_NAME}"
BITLOCKER_FILE="${BITLOCKER_VMOUNT}/dislocker-file"
BITLOCKER_MOUNT="/media/${BITLOCKER_NAME}"

echo "Unmounting the unlocked image from ${BITLOCKER_MOUNT}"
umount ${BITLOCKER_MOUNT}
if [[ ${?} != 0 ]]
then
    echo "Try to use lsof | grep ${BITLOCKER_PARTITION}"
    exit 1
fi
rm -rf ${BITLOCKER_MOUNT}

echo "Unmounting the bitlocker file from ${BITLOCKER_FILE}"
umount ${BITLOCKER_VMOUNT}
rm -rf ${BITLOCKER_VMOUNT}