Use openssl passwd -6 instead of Python crypt.crypt since crypt is deprecated and getting removed in Python 3.13

(And some sweet code cleanup too!)

adduser

@@ -2,7 +2,6 @@
 
 # A wrapper script over ldapadd
 
-from crypt import crypt
 from os import remove
 from secrets import token_urlsafe
 from subprocess import run, call, check_output
@@ -14,17 +13,16 @@ def adduser(username, firstname, lastname, email, password):
 
     # Get UID
     output = check_output(['ldapsearch', '-x', 'uidNumber']).decode('utf-8')
-    used = set()
-    for line in output.split('\n'):
-        if line.startswith('uidNumber'):
-            used.add(int(line.split()[1]))
-    uid = [u for u in range(1001, 10000) if u not in used][0]
+    used = {int(line.split()[1]) for line in output.split('\n') if line.startswith('uid')}
+    uid = next(u for u in range(1001, 10000) if u not in used)
 
     if firstname == lastname:
         fullname = firstname
     else:
         fullname = f'{firstname} {lastname}'
 
+    hashed_password = check_output(['openssl', 'passwd', '-6', password]).decode('utf-8')[:-1]
+
     # Construct LDIF
     ldif = f'''dn: uid={username},ou=People,dc=exozy,dc=me
 objectClass: top
@@ -37,7 +35,7 @@ uid: {username}
 cn: {fullname}
 sn: {lastname}
 givenName: {firstname}
-userPassword: {{CRYPT}}{crypt(password)}
+userPassword: {{CRYPT}}{hashed_password}
 mail: {email}
 loginShell: /bin/fish
 uidNumber: {uid}
@@ -81,4 +79,4 @@ gidNumber: {uid}'''
 password = token_urlsafe(6)
 print('Temporary password:', password)
 
-adduser(*[argv[i] for i in range(1, 5)], password)
+adduser(*argv[1:], password)