Added luks-wrapper script
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ISC License
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Copyright (c) 2024 114465
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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# ALPHA
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Please don't use this for anything too important, I still have so much to test and fix in this project
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# What is this?
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This is a script to create and use luks container files
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#!/bin/bash
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version="Early Development 0.0.1a\nPublic"
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man() {
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echo -e "Usage: sudo ./luks-wrapper [-c /path/to/containerfile] [-u /path/to/containerfile] [-l /path/to/mountpoint] [-d /path/to/containerfile] [-ud /path/to/containerfile /path/to/header]\n\nOPTIONS:\n-c, --create: Makes LUKS container\n-u, --unlock: Unlocks and mounts a contaner file\n-l, --lock: Locks and unmounts a unlocked contaner\n-d, --detach: Detach the header of a container\n-ud, --unlockdetached: Unlock a container that has a detached header\n-V, --version: Prints script version\n-h, --help: Prints this help page\n\n$version\n"
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}
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create() {
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size=$(whiptail --inputbox "Size of container? ex. 5G" 8 39 1G --title "Create container file" 3>&1 1>&2 2>&3)
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case $? in
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0) truncate -s $size $1;;
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1) whiptail --title "Canceled" --msgbox "Cancel was selected" 8 39; exit 0;;
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esac
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path=$(losetup -f --show $1 | head -n 1)
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cryptsetup luksFormat $path
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name=$(whiptail --inputbox "Name? Make sure this name is not an already in /dev/mapper." 8 39 TEMP --title "Temporary Name" 3>&1 1>&2 2>&3)
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fs=$(whiptail --title "Container Filesystem" --radiolist "Select a filesystem." 15 39 8 "ext4" "" ON "ext3" "" OFF "xfs" "" OFF "fat" "" OFF "f2fs" "" OFF "btrfs" "" OFF "exfat" "" OFF "ntfs" "" OFF 3>&1 1>&2 2>&3)
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clear
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cryptsetup luksOpen $path $name
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mkfs.$fs /dev/mapper/$name
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cryptsetup close $name
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whiptail --title "Container made!" --msgbox "Enjoy!" 8 39
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exit 0
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}
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unlock() {
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path=$(losetup -f --show $1 | head -n 1)
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name=$(whiptail --inputbox "Name? Make sure this name is not an already in /dev/mapper." 8 39 TEMP --title "Temporary Name" 3>&1 1>&2 2>&3)
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case $? in
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1) exit 0;;
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esac
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mount=$(whiptail --inputbox "Mount point? Where would you like to mount your container?" 8 39 /mnt --title "Mount Point" 3>&1 1>&2 2>&3)
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case $? in
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1) exit 0;;
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esac
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clear
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cryptsetup luksOpen $path $name
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mount /dev/mapper/$name $mount
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}
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lock() {
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umount $1
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name=$(whiptail --inputbox "What is the name of the container?" 8 39 TEMP --title "Name" 3>&1 1>&2 2>&3)
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case $? in
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1) exit 0;;
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esac
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loop=$(whiptail --inputbox "What is the loop the container is mounted to?" 8 39 loop0 --title "loop" 3>&1 1>&2 2>&3)
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case $? in
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1) exit 0;;
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esac
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cryptsetup close $name
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losetup -d $loop
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}
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detach() {
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path=$(losetup -f --show $1 | head -n 1)
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backup=$(whiptail --inputbox "Where would you like the header to be located?" 8 39 ~/Header.bak --title "Backup Location" 3>&1 1>&2 2>&3)
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cryptsetup luksHeaderBackup $path --header-backup-file $backup
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offset=$(cryptsetup luksDump $path | head -n 13 | tail -n 1 | sed 's/.*: //' | sed 's/\s.*$//')
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dd if=/dev/zero of=$path bs=$offset count=1
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losetup -d $path
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}
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unlockdetached() {
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path=$(losetup -f --show $1 | head -n 1)
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name=$(whiptail --inputbox "Name? Make sure this name is not an already in
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/dev/mapper." 8 39 TEMP --title "Temporary Name" 3>&1 1>&2 2>&3)
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mount=$(whiptail --inputbox "Mount point? Where would you like to mount yo
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ur container?" 8 39 /mnt --title "Mount Point" 3>&1 1>&2 2>&3)
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clear
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cryptsetup luksOpen $path $name --header=$2
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mount /dev/mapper/$name $mount
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}
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case "$EUID" in
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0)
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case $1 in
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-c|--create)
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case $# in
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2) create $2;;
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*) echo "Incorrect number of arguments, see -h for help"; exit 1;;
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esac;;
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-u|--unlock)
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case $# in
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2) unlock $2;;
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*) echo "Incorrect number of arguments, see -h for help"; exit 1;;
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esac;;
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-l|--lock)
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case $# in
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2) lock $2;;
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*) echo "Incorrect number of arguments, see -h for help"; exit 1;;
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esac;;
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-d|--detach)
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case $# in
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2) detach $2;;
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*) echo "Incorrect number of arguments, see -h for help"; exit 1;;
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esac;;
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-ud|--unlockdetached)
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case $# in
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3) unlockdetached $2 $3;;
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*) echo "Incorrect number of arguments, see -h for help"; exit 1;;
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esac;;
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-V|--version) echo -e $version;;
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-h|--help) man;;
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"") man;;
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*) echo "Unknown argument $1, use -h for help"; exit 1;;
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esac;;
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*)
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case $1 in
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-V|--version) echo -e $version;;
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-h|--help) man;;
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"") man;;
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*) echo "Script needs to be run as root"; exit 2;;
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esac;;
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esac
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