blob: 4434e6e85db4e64bc40ef0c31a53f99ca92c3cd1 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#!/bin/bash
if [[ -e /dev/mapper/cryptdir ]]; then
echo "only one instance can run at a time" 1>&2
exit 1
fi
sudo -v || exit 1
if [[ -z $1 ]]; then
size='16M'
else
size=$1
fi
cryptfile=$(mktemp)
cryptdir=$(mktemp -d)
pass=$(dd if=/dev/urandom bs=1 count=80 | base64)
cleanup () {
cd
sudo umount $cryptdir
sudo cryptsetup close cryptdir
rm -f $cryptfile
rmdir $cryptdir
}
trap cleanup EXIT
dd if=/dev/urandom of=$cryptfile bs=$size count=1
echo $pass | sudo cryptsetup luksFormat $cryptfile -
echo $pass | sudo cryptsetup open $cryptfile cryptdir --key-file -
sudo mkfs.ext2 /dev/mapper/cryptdir
sudo mount /dev/mapper/cryptdir $cryptdir
sudo chown $USER $cryptdir
cd $cryptdir
$SHELL
|