78 lines
2.2 KiB
Bash
78 lines
2.2 KiB
Bash
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#!/bin/bash
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# script to close a LUKS encrypted container file (use open_container.sh to open)
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# -must be run with root privileges
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# -start it without any or with 3 arguments: ./open_container.sh /path/to/container mapper_filename /path/to/mount_point
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# written by Christian Ulrich (based on a script from http://wiki.ubuntuusers.de/LUKS/Containerdatei)
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# version: 0.2
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# date: 2011/09/13
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run=1
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choice=
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if test $# -ne 0; then
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if test $# -ne 3; then
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echo "Aufruf des Skripts entweder ohne Argumante oder: ./close_container /Pfad/zum/Container mapper_filename /Pfad/zum/Mountpoint"
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exit 1
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else
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SAFE=$1
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CRYPTNAME=$2
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MNT=$3
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fi
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else
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SAFE=/home/christian/privat/encrypted
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CRYPTNAME=container
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MNT=/home/christian/mnt
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fi
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LOOPDEV=`losetup -a | grep "$SAFE" | sed "s/: .*//"`
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echo "close_container.sh v0.2 (by Christian Ulrich)
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---------------------------------------------"
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while [ $run -ne 0 ]; do
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echo
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echo "Bitte wählen:"
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echo "-------------"
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echo "[1] Pfad zum Container ändern ($SAFE)"
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echo "[2] Dateiname in /dev/mapper/ ändern ($CRYPTNAME)"
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echo "[3] Mount-Pfad ändern ($MNT)"
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echo "---------------------------------------------------"
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echo "[c] Container schließen"
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echo "[q] Script beenden"
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read choice
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case $choice in
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1 ) echo "Neuen Pfad eingeben oder <return> um abzubrechen (aktueller Pfad: $SAFE):"
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SAFE_tmp=
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read SAFE_tmp
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if [[ -n "$SAFE_tmp" ]]; then #if only <return> was pressed
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SAFE=$SAFE_tmp
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fi
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;;
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2 ) echo "Neuen Dateinamen eingeben oder <return> um abzubrechen (aktueller Dateiname: $CRYPTNAME):"
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CRYPTNAME_tmp=
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read CRYPTNAME_tmp
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if [[ -n "$CRYPTNAME_tmp" ]]; then
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CRYPTNAME=$CRYPTNAME_tmp
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fi
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;;
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3 ) echo "Neuen Mount-Pfad eingeben oder <return> um abzubrechen (aktueller Pfad: $MNT):"
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MNT_tmp=
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read MNT_tmp
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if [[ -n "$MNT_tmp" ]]; then
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MNT=$MNT_tmp
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fi
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;;
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'c' ) run=0
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if [ "`losetup -a | grep -c "$SAFE"`" != "1" ]; then
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echo "nicht eingehängt"
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exit
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fi
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umount $MNT
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cryptsetup luksClose $CRYPTNAME
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losetup -d $LOOPDEV
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echo "Container geschlossen"
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;;
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'q' ) run=0;;
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* ) echo "Falsche Eingabe!";;
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esac
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done
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