Bash script for checking if hash matches the password. May be useful during configuring Apache or nginx basic authentication

check htpasswd match

#!/usr/bin/env bash
# https://httpd.apache.org/docs/2.4/misc/password_encryptions.html
# $ htpasswd -nbm sturman Passw0rd > .htpasswd
# $ ./check_pass.sh .htpasswd sturman Passw0rd

HTPASSWD=$1
USERNAME=$2
PASSWORD=$3

ENTRY=$(grep "^$USERNAME:" < "$HTPASSWD")
HASH=$(echo "$ENTRY" | cut -f 2 -d :)
SALT=$(echo "$HASH" | cut -f 3 -d \$)
RESULT=$(openssl passwd -apr1 -salt "$SALT" "$PASSWORD")

echo "File: $HTPASSWD"
echo "Username: $USERNAME"
echo "Entry: $ENTRY"
echo "Hash: $HASH"
echo "Salt: $SALT"

echo "password to check: $PASSWORD"
echo "openssl result: $RESULT"

if [ "$RESULT" = "$HASH" ]
then
  echo "OKAY"
else
  echo "NOT MATCHED"
fi