blob: 85cd6c39af9243e51f6d2277942f1e554c565a8e (
plain)
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
|
#!/bin/bash
# Get the current user's username
USER=""
PW=""
if [[ $# -lt 2 ]]
then
echo "Usage: pwcheck [username] [password]"
exit 1
fi
PW_HASH=""
USER="$1"
PW="$2"
# Get the hashed password from /etc/shadow for the current user
SHADOW_ENTRY=$(sudo grep "^$USER:" /etc/shadow)
if [ -z "$SHADOW_ENTRY" ]; then
echo "User not found in /etc/shadow"
exit 1
fi
HASHED_PW=$(echo "$SHADOW_ENTRY" | cut -d':' -f2)
SALT=$(echo "$HASHED_PW" | cut -d'$' -f3)
ALGORITHM=$(echo "$HASHED_PW" | cut -d'$' -f2)
# Yescrypt
if [[ $ALGORITHM == "y" ]]
then
HASHED_PW=$(echo "$SHADOW_ENTRY" | cut -d':' -f2)
SALT=$(echo "$HASHED_PW" | cut -d'$' -f4)
PW_HASH=$(mkpasswd "$PW" "\$y\$j9T\$$SALT")
else
PW_HASH=$(echo "$PW" | openssl passwd -stdin -"$ALGORITHM" -salt "$SALT")
fi
if [ "$PW_HASH" == "$HASHED_PW" ]; then
exit 0
else
exit 1
fi
|
