blob: eac072b40095203f43803ddeccb3f28a7d641a9b (
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
#! /bin/sh
set -e
usage()
{
echo "$0 <dir>"
}
to_hex()
{
od -An -t x1 | tr -d ' ' | tr -d '\n'
}
to_bin()
{
sed -e 's,\([0-9a-f]\{2\}\),\\\\\\x\1,g' | xargs printf
}
mktemp_posix()
{
m4 <<EOF
mkstemp(${TMPDIR:-/tmp}/tmp.XXXXXX)
EOF
}
if [ $# != 1 ]; then
usage >&2
exit 1
fi
DIR=$1
echo Username: >&2
IFS= read -r USER
if printf '%s' "$USER" | grep -qe '[[:space:]]'
then
echo Username cannot contain whitespaces >&2
exit 1
fi
DB="$DIR/db.json"
if jq '.users[].name' "$DB" | grep -q $USER
then
echo User $USER already in $DB >&2
exit 1
fi
TTYCFG=$(stty -g)
trap "stty $TTYCFG" INT QUIT TERM EXIT
stty -echo
echo Password: >&2
IFS= read -r PWD
stty echo
# Force newline
echo
echo "Quota, in MiB (leave empty for unlimited quota):" >&2
read -r QUOTA
QUOTA="${QUOTA:+"$(printf '%d' "$QUOTA")"}"
PWD=$(printf '%s' "$PWD" | to_hex)
SALT=$(openssl rand -hex 32)
KEY=$(openssl rand -hex 32)
PWD=$(printf '%s%s' "$SALT" "$PWD")
ROUNDS=1000
for i in $(seq $ROUNDS)
do
printf "\r%d/$ROUNDS" $i >&2
PWD=$(printf '%s' "$PWD" | to_bin | openssl sha256 -r | cut -d' ' -f1)
done
echo >&2
TMP=$(mktemp_posix)
cleanup()
{
rm -f $TMP
}
trap cleanup EXIT
jq ".users += [
{
\"name\": \"$USER\",
\"password\": \""$PWD"\",
\"salt\": \"$SALT\",
\"key\": \"$KEY\",
\"quota\": \"$QUOTA\"
}]" "$DB" > $TMP
mkdir -p "$DIR/user/$USER"
mv $TMP "$DB"
|
