freedomboneeee/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 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if [ ! $1 ]; then
echo 'Specify a drive, such as sdb, sdc, etc'
exit 1
fi
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USB_DRIVE=/dev/${1}
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echo "Formatting $USB_DRIVE as LUKS"
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cryptsetup -y -v luksFormat ${USB_DRIVE}
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if [ ! "$?" = "0" ]; then
echo "Failed to format $USB_DRIVE as LUKS"
exit 36823
fi
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cryptsetup luksOpen ${USB_DRIVE} encrypted_usb
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if [ ! "$?" = "0" ]; then
echo "Failed to open LUKS formatted drive $USB_DRIVE"
exit 37232
fi
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mkfs.ext4 /dev/mapper/encrypted_usb -L Freedombone
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if [ ! "$?" = "0" ]; then
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cryptsetup luksClose encrypted_usb
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echo 'Format of drive $USB_DRIVE failed'
exit 73218
fi
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sleep 2
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cryptsetup luksClose encrypted_usb
if [ -f /dev/mapper/encrypted_usb ]; then
rm -rf /dev/mapper/encrypted_usb
fi
echo 'Format completed'
exit 0