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#!/bin/bash
#
# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
#
# This file is part of util-linux.
#
# This file 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 2 of the License, or
# (at your option) any later version.
#
# This file 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.
#
TS_TOPDIR="$(dirname $0)/../.."
TS_DESC="by devname"
. $TS_TOPDIR/functions.sh
ts_init "$*"
ts_skip_nonroot
set -o pipefail
modprobe --dry-run --quiet cryptoloop
[ "$?" == 0 ] || ts_skip "missing cryptoloop module"
modprobe cryptoloop &> /dev/null
PASSFILE=$TS_OUTPUT.pwd
IMAGE=$(ts_image_init)
echo "password" > $PASSFILE
exec 9<> $PASSFILE
DEVICE=$($TS_CMD_LOSETUP --pass-fd 9 --show --encryption blowfish --find $IMAGE)
[ "$?" == 0 ] || ts_die "Cannot init device"
mkfs.ext3 $DEVICE &> /dev/null || ts_die "Cannot make ext3 on $DEVICE" $DEVICE
sleep 3
$TS_CMD_LOSETUP --detach $DEVICE
[ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
# reopen (we need SEEK_SET 0, but this is shell...)
exec 9>&-
exec 9<> $PASSFILE
$TS_CMD_MOUNT --pass-fd 9 -o encryption=blowfish $IMAGE $TS_MOUNTPOINT 2>&1 >> $TS_OUTPUT
$TS_CMD_FINDMNT --kernel --target $TS_MOUNTPOINT &> /dev/null
[ "$?" == "0" ] || ts_die "Cannot find $TS_MOUNTPOINT in /proc/self/mountinfo"
$TS_CMD_UMOUNT $TS_MOUNTPOINT || ts_die "Cannot umount $TS_MOUNTPOINT" $DEVICE
ts_device_deinit $DEVICE
ts_log "Success"
ts_finalize
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