freedombone/src/freedombone-format

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#!/bin/bash
# _____ _ _
# | __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
# | __| _| -_| -_| . | . | | . | . | | -_|
# |__| |_| |___|___|___|___|_|_|_|___|___|_|_|___|
#
# Freedom in the Cloud
#
# Makes a USB drive containing a gpg key fragment
#
# License
# =======
#
# Copyright (C) 2015-2018 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
PROJECT_NAME='freedombone'
export TEXTDOMAIN=${PROJECT_NAME}-format
export TEXTDOMAINDIR="/usr/share/locale"
if [ ! "$1" ]; then
echo $'Specify a drive, such as sdb, sdc, etc'
exit 1
fi
USB_DRIVE_SHORT=${1}
if [[ "$1" == "/dev/"* ]]; then
USB_DRIVE=$1
USB_DRIVE_SHORT=$(echo "$USB_DRIVE" | awk -F '/' '{print $3}' | sed 's|1||g' | sed 's|2||g' | sed 's|3||g')
else
USB_DRIVE=/dev/${1}1
fi
LABEL="${PROJECT_NAME}"
echo $'Partitioning drive'
echo "o
d
2
d
1
n
p
1
a
1
w
" | fdisk "/dev/${USB_DRIVE_SHORT}";mkfs.ext4 -L "$LABEL" "/dev/${USB_DRIVE_SHORT}1"
echo $"Formatting $USB_DRIVE as LUKS"
if ! cryptsetup -y -v luksFormat "${USB_DRIVE}"; then
echo $"Failed to format $USB_DRIVE as LUKS"
exit 36823
fi
if ! cryptsetup luksOpen "${USB_DRIVE}" encrypted_usb; then
echo $"Failed to open LUKS formatted drive $USB_DRIVE"
exit 37232
fi
if ! mkfs.ext4 /dev/mapper/encrypted_usb -L "$LABEL"; then
cryptsetup luksClose encrypted_usb
echo $'Format of drive $USB_DRIVE failed'
exit 73218
fi
sleep 2
cryptsetup luksClose encrypted_usb
if [ -f /dev/mapper/encrypted_usb ]; then
rm -rf /dev/mapper/encrypted_usb
fi
echo $'Format completed'
exit 0