104 lines
2.4 KiB
Text
104 lines
2.4 KiB
Text
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#!/usr/bin/bash
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set -e
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Version="1.1.1"
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Usage="dmount PARAMETER
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Script which permit to mount/unmount an LVM on LUKS using dmcrypt, doas and fstab.
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Actually works only on cryptdata, my extern SSD.
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PARAMETRES
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-h, --help Print this help and exit
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-v, --version Print the version and exit
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-m, --mount Mount cryptdata
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-u, --umount Unmount cryptdata
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"
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Mountpoint_cours=/home/primardj/cours
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Mountpoint_doc=/home/primardj/Documents
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Mountpoint_virt_machine=/home/primardj/virtual_machine
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Mountpoint_data=/home/primardj/data
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force_remove_vgdevice() {
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echo "force remove vg cryptdata"
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#doas dmsetup info --columns
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doas dmsetup remove /dev/mapper/cryptdata-*
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doas dmsetup remove /dev/mapper/cryptdata
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}
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mount_lvm_on_luks() {
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echo "unlocking device cryptdata"
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#doas rc-service dmcrypt restart
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doas /etc/rc/sysinit/35-cryptsetup start
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#doas vgchange -a y cryptdata
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doas mount -a
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}
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umount_devices() {
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echo "umount devices"
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doas umount -R $Mountpoint_cours || lsof +D $Mountpoint_cours
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doas umount -R $Mountpoint_doc || lsof +D $Mountpoint_doc
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doas umount -R $Mountpoint_virt_machine || lsof +D $Mountpoint_virt_machine
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doas umount -R $Mountpoint_data || lsof +D $Mountpoint_data
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}
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error_umount() {
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echo "Error, can't umount all devices, need some manual help." >&2
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lsblk
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exit 1
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}
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error_deactivate_vg() {
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echo "Error, impossible de deactive vg." >&2
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echo "Try to force remove vgdisk from memory." >&2
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if force_remove_vgdevice
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then
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echo "could at list remove vgdevice."
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exit 0
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else
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lsblk
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doas dmsetup info --columns
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echo "couldn't remove vgdevice. need manual intervention." >&2
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exit 1
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fi
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}
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umount_lvm_on_luks() {
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echo "locking device cryptdata"
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umount_devices || error_umount
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doas lvchange -a n cryptdata || error_deactivate_vg
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doas cryptsetup close --deferred cryptdata
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}
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for i in "$@"; do
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case "$i" in
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"-h" | "--help")
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echo "${Usage}"
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exit 0
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;;
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"-v" | "--version")
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echo "dmount v.${Version}"
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exit 0
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;;
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"-m" | "--mount")
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mount_lvm_on_luks
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exit 0
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;;
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"-u" | "--umount")
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umount_lvm_on_luks
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exit 0
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;;
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*)
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echo "Error, uknown args $i" >&2
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exit 1
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;;
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esac
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done
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