Convert OpenLDAP hashes to a format john the ripper can understand

openldap2john.py

#!/usr/bin/env python3
# Convert OpenLDAP hashes to a format john the ripper can understand
import sys
import base64

with open(sys.argv[1], 'r') as f:
    lines = f.readlines()

for line in lines:
    line = line.rstrip("\n")
    if '{PBKDF2-SHA512}' in line:
        username = line.split(':')[0]
        hashvals = line.split('}')[1]
        iterations, b64salt, b64hash = hashvals.split('$')
        b64salt = b64salt.replace('.', '+') + '==='
        b64hash = b64hash.replace('.', '+') + '==='
        print(username + ':' + '$pbkdf2-hmac-sha512$' + iterations + '.' + base64.b64decode(b64salt).hex() + '.' + base64.b64decode(b64hash).hex())
    elif '{SHA256}' in line:
        user = line.split(':')[0]
        hhash = base64.b64decode(line.split('}')[1]).hex()
        print(user + ":$SHA256$" + hhash)
    elif '{SHA512}' in line:
        user = line.split(':')[0]
        hhash = base64.b64decode(line.split('}')[1]).hex()
        print(user + ":$SHA512$" + hhash)
    elif '{CRYPT}' in line:
        print(line.replace('{CRYPT}', ''))
    else:
        print(line)