122 lines
4 KiB
Bash
122 lines
4 KiB
Bash
#!/usr/bin/env bash
|
|
|
|
#prerequisites
|
|
#apt-get install pv smartmontools
|
|
|
|
REQUIRED_PKG="pv"
|
|
PKG_OK=$(dpkg-query -W --showformat='${Status}\n' $REQUIRED_PKG|grep "install ok installed")
|
|
echo Checking for $REQUIRED_PKG: $PKG_OK
|
|
if [ "" = "$PKG_OK" ]; then
|
|
echo "No $REQUIRED_PKG. Setting up $REQUIRED_PKG."
|
|
sudo apt-get --yes install $REQUIRED_PKG
|
|
fi
|
|
|
|
REQUIRED_PKG="smartmontools"
|
|
PKG_OK=$(dpkg-query -W --showformat='${Status}\n' $REQUIRED_PKG|grep "install ok installed")
|
|
echo Checking for $REQUIRED_PKG: $PKG_OK
|
|
if [ "" = "$PKG_OK" ]; then
|
|
echo "No $REQUIRED_PKG. Setting up $REQUIRED_PKG."
|
|
sudo apt-get --yes install $REQUIRED_PKG
|
|
fi
|
|
|
|
#collect data about disk type:
|
|
disk_type=$(smartctl -a /dev/$1 | grep -i "Rotation Rate:" | cut -d':' -f2 | tr -d " ")
|
|
|
|
#store if the disk is an ssd:
|
|
if [[ $disk_type == *"SolidStateDevice"* ]]; then
|
|
disk_ssd=1
|
|
# echo "disk is ssd"
|
|
elif [[ $disk_type == *"rpm"* ]]; then
|
|
disk_ssd=0
|
|
# echo "disk is not ssd"
|
|
else
|
|
echo "disk type unknown, exiting"
|
|
exit
|
|
fi
|
|
|
|
#check for disk errors, differntiating by device type since smart output is different between sata and sas drives:
|
|
if smartctl -a /dev/$1 | grep -q "SATA"; then
|
|
#echo "Type of disk: SATA"
|
|
if smartctl -a /dev/$1 | grep -q "No Errors Logged"; then
|
|
echo "SATA no errors, conitnuing"
|
|
else
|
|
sata_model=$(smartctl -a /dev/$1 | grep -i "Device Model:" | cut -d':' -f2 | tr -d " ")
|
|
sata_serial=$(smartctl -a /dev/$1 | grep -i "Serial number:" | cut -d':' -f2 | tr -d " ")
|
|
echo "!!! ERRORS !!!"
|
|
echo "SATA errors, aborting!!!"
|
|
echo "NO WIPING NEEDED, JUST DESTROY THE DISK MECHANICALLY"
|
|
echo "!!! EXITING !!!"
|
|
echo ""
|
|
echo "Model: $sata_model"
|
|
echo "Serial: $sata_serial"
|
|
exit
|
|
fi
|
|
elif smartctl -a /dev/$1 | grep -q "SAS"; then
|
|
#echo "Type of disk: SAS"
|
|
sas_errors=$(smartctl -a /dev/$1 | grep "Elements in grown defect list" | cut -d':' -f2 | tr -d " ")
|
|
if [ "$sas_errors" -gt 0 ]; then
|
|
sas_vendor=$(smartctl -a /dev/$1 | grep -i "Vendor:" | cut -d':' -f2 | tr -d " ")
|
|
sas_model=$(smartctl -a /dev/$1 | grep -i "Product:" | cut -d':' -f2 | tr -d " ")
|
|
sas_serial=$(smartctl -a /dev/$1 | grep -i "Serial number:" | cut -d':' -f2 | tr -d " ")
|
|
echo "!!! ERRORS !!!"
|
|
echo "Elements in grown defect list: " $sas_errors
|
|
echo "NO WIPING NEEDED, JUST DESTROY THE DISK MECHANICALLY"
|
|
echo "!!! EXITING !!!"
|
|
echo ""
|
|
echo "Vendor: $sas_vendor"
|
|
echo "Model: $sas_model"
|
|
echo "Serial: $sas_serial"
|
|
exit
|
|
else
|
|
echo "SAS no errors, continuing"
|
|
fi
|
|
else
|
|
echo "the disk type is none of the expected ones, exiting"
|
|
exit
|
|
fi
|
|
|
|
|
|
#warning if is an ssd
|
|
if [ "$disk_ssd" -eq 1 ]; then
|
|
echo "WARNING, DISK IS AN SSD, Remember that sectors are reallocated thus unwanted data might remain on the sectors"
|
|
#else
|
|
# echo "disk is not an ssd, continuing"
|
|
fi
|
|
|
|
#calculate disk bytes:
|
|
disk_blocks=$(cat /proc/partitions | grep -w $1 | tr -s ' ' | cut -d " " -f4);
|
|
disk_bytes=$(( 1024*disk_blocks ))
|
|
|
|
|
|
|
|
echo "wiping $1"
|
|
|
|
echo "random pass n1:"
|
|
openssl enc -pbkdf2 -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64)" -nosalt </dev/zero | pv --progress --eta --rate --bytes --size $disk_bytes | dd of=/dev/$1 bs=2M oflag=direct iflag=fullblock
|
|
#openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64)" -nosalt </dev/zero | pv --progress --eta --rate --bytes --size $disk_bytes | dd of=/dev/$1 bs=1M
|
|
|
|
echo "random pass n2:"
|
|
openssl enc -pbkdf2 -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64)" -nosalt </dev/zero | pv --progress --eta --rate --bytes --size $disk_bytes | dd of=/dev/$1 bs=2M oflag=direct iflag=fullblock
|
|
|
|
echo "zeroing pass:"
|
|
dd if=/dev/zero of=/dev/$1 bs=1M status=progress oflag=direct
|
|
|
|
echo "!!! FINISHED wiping $1 !!!"
|
|
|
|
|
|
|
|
|
|
|
|
#OLD:
|
|
#echo "wiping $1"
|
|
#
|
|
#echo "random pass n1:"
|
|
#dd if=/dev/random of=/dev/$1 bs=1M status=progress oflag=direct
|
|
#
|
|
#echo "random pass n2:"
|
|
#dd if=/dev/random of=/dev/$1 bs=1M status=progress oflag=direct
|
|
#
|
|
#echo "zeroing pass:"
|
|
#dd if=/dev/zero of=/dev/$1 bs=1M status=progress oflag=direct
|
|
#
|
|
#echo "!!! FINISHED wiping $1 !!!"
|