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📄 __init__.py	837 B	[ EDIT ] \| [ DEL ]
📄 bind.py	2,279 B	[ EDIT ] \| [ DEL ]
📄 configgenerator.py	401 B	[ EDIT ] \| [ DEL ]
📄 gnutls.py	5,605 B	[ EDIT ] \| [ DEL ]
📄 java.py	3,667 B	[ EDIT ] \| [ DEL ]
📄 krb5.py	1,648 B	[ EDIT ] \| [ DEL ]
📄 libreswan.py	4,827 B	[ EDIT ] \| [ DEL ]
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EDIT: krb5.py

# SPDX-License-Identifier: LGPL-2.1-or-later

from .configgenerator import ConfigGenerator

class KRB5Generator(ConfigGenerator):
	CONFIG_NAME = 'krb5'
	SCOPES = {'kerberos', 'krb5'}

cipher_map = {
		'CAMELLIA-256-CBC':'camellia256-cts-cmac',
		'CAMELLIA-128-CBC':'camellia128-cts-cmac',
		'CAMELLIA-128-CTS':'camellia128-cts-cmac'
	}

cipher_mac_map = {
		'AES-256-CBC-HMAC-SHA1':'aes256-cts-hmac-sha1-96',
		'AES-256-CBC-HMAC-SHA2-384':'aes256-cts-hmac-sha384-192',
		'AES-128-CBC-HMAC-SHA1':'aes128-cts-hmac-sha1-96',
		'AES-128-CBC-HMAC-SHA2-256':'aes128-cts-hmac-sha256-128',
		# 'RC4-128-HMAC-MD5':'arcfour-hmac-md5'  # forced last, see below
	}

@classmethod
	def generate_config(cls, policy):
		p = policy.enabled
		sep = ' '

cfg = '[libdefaults]\n'
		cfg += 'permitted_enctypes = '
		s = ''
		for j in p['mac']:
			for i in p['cipher']:
				try:
					s = cls.append(s, cls.cipher_mac_map[i + '-' + j], sep)
				except KeyError:
					pass
		for i in p['cipher']:
			try:
				s = cls.append(s, cls.cipher_map[i], sep)
			except KeyError:
				pass
		if 'RC4-128' in p['cipher'] and 'HMAC-MD5' in p['mac']:
			s = cls.append(s, 'arcfour-hmac-md5', sep)

cfg += s + '\n'

# By default libkrb5 sets the min_bits to 2048, don't
		# go lower than that.
		if policy.integers['min_dh_size'] > 2048:
			# $string .= "pkinit_dh_min_bits=$min_dh_size\n";
			# krb5.conf only accepts 2048 or 4096
			cfg += 'pkinit_dh_min_bits=4096\n'

return cfg

@classmethod
	def test_config(cls, config):  # pylint: disable=unused-argument
		return True