mtm-ddwipe/mtm-ddwipe
2024-05-07 02:23:49 +02:00

90 lines
1.5 KiB
Bash
Executable File

#!/bin/bash
declare -r DEV="${1}"
declare STARTDATE=""
declare STARTDATESTRING=""
show_help() {
echo "ddwipe dev (/dev/sdX)"
echo ""
echo "Version : 0.0.3"
}
check_args() {
if [ "${1}" == "" ]; then
show_help
exit 1
fi
}
check_dev_exist() {
if [ ! -e "${1}" ]; then
echo "${1} is missing."
exit 1
fi
}
confirm_wipe() {
lsblk "${1}"
echo ""
read -r -p "Wipe ${1} (y/[n])?" CHOICE
case "${CHOICE}" in
y|Y ) echo "";;
* )
echo "Canceled"
exit 1
;;
esac
}
wipe_dev() {
STARTDATE=$(date +%s)
STARTDATESTRING="$(date)"
echo "Begin wiping device ${1}"
echo ""
echo "Start date :"
echo "${STARTDATESTRING}"
echo ""
echo "blkdiscard secure"
if ! blkdiscard -f -p 500M -s -v "${1}"; then
echo ""
echo "blkdiscard zero"
if ! blkdiscard -f -p 500M -z -v "${1}"; then
echo ""
echo "dd zero"
if ! dd if=/dev/zero of="${1}" bs=1M status=progress; then
# Need check if dd has all writed, if yes, return no error
# echo "Error wiping device ${1}, use phisical destroy !"
echo "Wiped with dd, check if full size is writed."
echo "Otherwise use a mechanical destruction of the device."
print_time
exit 1
fi
fi
fi
echo ""
echo "Device ${1} wipped !"
}
print_time() {
echo ""
echo "Start date :"
echo "${STARTDATESTRING}"
ENDDATE=$(date +%s)
echo ""
echo "End date :"
date
CALCTIME=$((ENDDATE-STARTDATE))
echo ""
echo "Total time :"
date -d@${CALCTIME} -u +%H:%M:%S
}
check_args "${DEV}"
check_dev_exist "${DEV}"
confirm_wipe "${DEV}"
wipe_dev "${DEV}"
print_time