Added mountc script

master
Keith Irwin 2021-07-25 15:55:46 -06:00
parent 2acc5a6c94
commit 0230616ce4
Signed by: ki9
GPG Key ID: DF773B3F4A88DA86
1 changed files with 92 additions and 0 deletions

92
mountc Executable file
View File

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#!/bin/bash
# mountc
#
# Mount luks-encrypted filesystems
#
# USAGE: mountc <partition> <mountpoint> [luks.key]
# EXAMPLE: mountc sdf1 mydrive
#
# Copyright © 2021 Keith Irwin (www.ki9.us)
#
# 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/>.
# Check for root
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root"
exit 1
fi
# Get args
me="$(basename $0)"
if [[ $# -eq 3 ]]; then
part="$1"
mp="$2"
kf="$3"
elif [[ $# -eq 2 ]]; then
device="$1"
name="$2"
kf=""
else
echo "USAGE: $me <partition> <mountpoint> [keyfile]"
exit 2
fi
name="$(basename $mp)"
# Quit if given "no" at prompt
bail(){ [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1; }
## RUNTIME ##
# Where keys are stored
KEYDIR="/root/luks"
# Initial output
echo " mountc Copyright © 2021 Keith Irwin (www.ki9.us)"
echo " This program comes with ABSOLUTELY NO WARRANTY; for details"
echo " see the LICENSE.md that came with it"
echo " This is free software, and you are welcome to redistribute it"
echo " under certain conditions"
echo
# Check that mountpoint is directory
if [ ! -d "$mp" ]; then
echo "$mp is not a directory"
exit 2
fi
# TODO: Check that mountpoint is not already mounted
# TODO: Check that mountpoint is empty
# Check if already decrypted
if [ -h "/dev/mapper/$name" ]; then
echo "/dev/mapper/$name already exists. Attempting to mount it..."
else
# Decrypt
if [ -f "$kf" ]; then
echo "Decrypting /dev/$part with $kf..."
cryptsetup luksOpen "/dev/$part" "$name" --key-file="$kf"
else
echo "Decrypting /dev/$part with password..."
cryptsetup luksOpen "/dev/$part" "$name"
fi
fi
# Mount decrypted filesystem
echo "Mounting /dev/mapper/$name filesystem to $mp..."
chmod 755 "$mp"
mount "/dev/mapper/$name" "$mp" && \
echo "DONE!"