mirror of
https://salsa.debian.org/freeipa-team/freeipa.git
synced 2024-12-23 07:33:27 -06:00
a1f260d021
The dnssec and secrets subpackages and the p11helper module depend on ipaplatform. Move them to ipaserver as they are used only on the server. https://fedorahosted.org/freeipa/ticket/6474 Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>
262 lines
8.6 KiB
Python
262 lines
8.6 KiB
Python
# Copyright (C) 2015 IPA Project Contributors, see COPYING for license
|
|
|
|
from __future__ import print_function
|
|
from base64 import b64encode, b64decode
|
|
from custodia.store.interface import CSStore
|
|
from jwcrypto.common import json_decode, json_encode
|
|
from ipaplatform.paths import paths
|
|
from ipapython import ipautil
|
|
from ipaserver.secrets.common import iSecLdap
|
|
import ldap
|
|
import os
|
|
import shutil
|
|
import sys
|
|
import tempfile
|
|
|
|
|
|
class UnknownKeyName(Exception):
|
|
pass
|
|
|
|
|
|
class DBMAPHandler(object):
|
|
|
|
def __init__(self, config, dbmap, nickname):
|
|
raise NotImplementedError
|
|
|
|
def export_key(self):
|
|
raise NotImplementedError
|
|
|
|
def import_key(self, value):
|
|
raise NotImplementedError
|
|
|
|
|
|
def log_error(error):
|
|
print(error, file=sys.stderr)
|
|
|
|
|
|
def PKI_TOMCAT_password_callback():
|
|
password = None
|
|
with open(paths.PKI_TOMCAT_PASSWORD_CONF) as f:
|
|
for line in f.readlines():
|
|
key, value = line.strip().split('=')
|
|
if key == 'internal':
|
|
password = value
|
|
break
|
|
return password
|
|
|
|
|
|
def HTTPD_password_callback():
|
|
with open(paths.ALIAS_PWDFILE_TXT) as f:
|
|
password = f.read()
|
|
return password
|
|
|
|
|
|
class NSSWrappedCertDB(DBMAPHandler):
|
|
'''
|
|
Store that extracts private keys from an NSSDB, wrapped with the
|
|
private key of the primary CA.
|
|
'''
|
|
|
|
def __init__(self, config, dbmap, nickname):
|
|
if 'path' not in dbmap:
|
|
raise ValueError(
|
|
'Configuration does not provide NSSDB path')
|
|
if 'pwcallback' not in dbmap:
|
|
raise ValueError(
|
|
'Configuration does not provide Password Calback')
|
|
if 'wrap_nick' not in dbmap:
|
|
raise ValueError(
|
|
'Configuration does not provide nickname of wrapping key')
|
|
self.nssdb_path = dbmap['path']
|
|
self.nssdb_password = dbmap['pwcallback']()
|
|
self.wrap_nick = dbmap['wrap_nick']
|
|
self.target_nick = nickname
|
|
|
|
def export_key(self):
|
|
tdir = tempfile.mkdtemp(dir=paths.TMP)
|
|
try:
|
|
nsspwfile = os.path.join(tdir, 'nsspwfile')
|
|
with open(nsspwfile, 'w+') as f:
|
|
f.write(self.nssdb_password)
|
|
wrapped_key_file = os.path.join(tdir, 'wrapped_key')
|
|
certificate_file = os.path.join(tdir, 'certificate')
|
|
ipautil.run([
|
|
paths.PKI, '-d', self.nssdb_path, '-C', nsspwfile,
|
|
'ca-authority-key-export',
|
|
'--wrap-nickname', self.wrap_nick,
|
|
'--target-nickname', self.target_nick,
|
|
'-o', wrapped_key_file])
|
|
ipautil.run([
|
|
paths.CERTUTIL, '-d', self.nssdb_path,
|
|
'-L', '-n', self.target_nick,
|
|
'-a', '-o', certificate_file])
|
|
with open(wrapped_key_file, 'r') as f:
|
|
wrapped_key = f.read()
|
|
with open(certificate_file, 'r') as f:
|
|
certificate = f.read()
|
|
finally:
|
|
shutil.rmtree(tdir)
|
|
return json_encode({
|
|
'wrapped_key': b64encode(wrapped_key),
|
|
'certificate': certificate})
|
|
|
|
|
|
class NSSCertDB(DBMAPHandler):
|
|
|
|
def __init__(self, config, dbmap, nickname):
|
|
if 'type' not in dbmap or dbmap['type'] != 'NSSDB':
|
|
raise ValueError('Invalid type "%s",'
|
|
' expected "NSSDB"' % (dbmap['type'],))
|
|
if 'path' not in dbmap:
|
|
raise ValueError('Configuration does not provide NSSDB path')
|
|
if 'pwcallback' not in dbmap:
|
|
raise ValueError('Configuration does not provide Password Calback')
|
|
self.nssdb_path = dbmap['path']
|
|
self.nickname = nickname
|
|
self.nssdb_password = dbmap['pwcallback']()
|
|
|
|
def export_key(self):
|
|
tdir = tempfile.mkdtemp(dir=paths.TMP)
|
|
try:
|
|
nsspwfile = os.path.join(tdir, 'nsspwfile')
|
|
with open(nsspwfile, 'w+') as f:
|
|
f.write(self.nssdb_password)
|
|
pk12pwfile = os.path.join(tdir, 'pk12pwfile')
|
|
password = b64encode(os.urandom(16))
|
|
with open(pk12pwfile, 'w+') as f:
|
|
f.write(password)
|
|
pk12file = os.path.join(tdir, 'pk12file')
|
|
ipautil.run([paths.PK12UTIL,
|
|
"-d", self.nssdb_path,
|
|
"-o", pk12file,
|
|
"-n", self.nickname,
|
|
"-k", nsspwfile,
|
|
"-w", pk12pwfile])
|
|
with open(pk12file, 'r') as f:
|
|
data = f.read()
|
|
finally:
|
|
shutil.rmtree(tdir)
|
|
return json_encode({'export password': password,
|
|
'pkcs12 data': b64encode(data)})
|
|
|
|
def import_key(self, value):
|
|
v = json_decode(value)
|
|
tdir = tempfile.mkdtemp(dir=paths.TMP)
|
|
try:
|
|
nsspwfile = os.path.join(tdir, 'nsspwfile')
|
|
with open(nsspwfile, 'w+') as f:
|
|
f.write(self.nssdb_password)
|
|
pk12pwfile = os.path.join(tdir, 'pk12pwfile')
|
|
with open(pk12pwfile, 'w+') as f:
|
|
f.write(v['export password'])
|
|
pk12file = os.path.join(tdir, 'pk12file')
|
|
with open(pk12file, 'w+') as f:
|
|
f.write(b64decode(v['pkcs12 data']))
|
|
ipautil.run([paths.PK12UTIL,
|
|
"-d", self.nssdb_path,
|
|
"-i", pk12file,
|
|
"-n", self.nickname,
|
|
"-k", nsspwfile,
|
|
"-w", pk12pwfile])
|
|
finally:
|
|
shutil.rmtree(tdir)
|
|
|
|
|
|
# Exfiltrate the DM password Hash so it can be set in replica's and this
|
|
# way let a replica be install without knowing the DM password and yet
|
|
# still keep the DM password synchronized across replicas
|
|
class DMLDAP(DBMAPHandler):
|
|
|
|
def __init__(self, config, dbmap, nickname):
|
|
if 'type' not in dbmap or dbmap['type'] != 'DMLDAP':
|
|
raise ValueError('Invalid type "%s",'
|
|
' expected "DMLDAP"' % (dbmap['type'],))
|
|
if nickname != 'DMHash':
|
|
raise UnknownKeyName("Unknown Key Named '%s'" % nickname)
|
|
self.ldap = iSecLdap(config['ldap_uri'],
|
|
config.get('auth_type', None))
|
|
|
|
def export_key(self):
|
|
conn = self.ldap.connect()
|
|
r = conn.search_s('cn=config', ldap.SCOPE_BASE,
|
|
attrlist=['nsslapd-rootpw'])
|
|
if len(r) != 1:
|
|
raise RuntimeError('DM Hash not found!')
|
|
return json_encode({'dmhash': r[0][1]['nsslapd-rootpw'][0]})
|
|
|
|
def import_key(self, value):
|
|
v = json_decode(value)
|
|
conn = self.ldap.connect()
|
|
mods = [(ldap.MOD_REPLACE, 'nsslapd-rootpw', str(v['dmhash']))]
|
|
conn.modify_s('cn=config', mods)
|
|
|
|
|
|
NAME_DB_MAP = {
|
|
'ca': {
|
|
'type': 'NSSDB',
|
|
'path': paths.PKI_TOMCAT_ALIAS_DIR,
|
|
'handler': NSSCertDB,
|
|
'pwcallback': PKI_TOMCAT_password_callback,
|
|
},
|
|
'ca_wrapped': {
|
|
'handler': NSSWrappedCertDB,
|
|
'path': paths.PKI_TOMCAT_ALIAS_DIR,
|
|
'pwcallback': PKI_TOMCAT_password_callback,
|
|
'wrap_nick': 'caSigningCert cert-pki-ca',
|
|
},
|
|
'ra': {
|
|
'type': 'NSSDB',
|
|
'path': paths.HTTPD_ALIAS_DIR,
|
|
'handler': NSSCertDB,
|
|
'pwcallback': HTTPD_password_callback,
|
|
},
|
|
'dm': {
|
|
'type': 'DMLDAP',
|
|
'handler': DMLDAP,
|
|
}
|
|
}
|
|
|
|
|
|
class IPASecStore(CSStore):
|
|
|
|
def __init__(self, config=None):
|
|
self.config = config
|
|
|
|
def _get_handler(self, key):
|
|
path = key.split('/', 3)
|
|
if len(path) != 3 or path[0] != 'keys':
|
|
raise ValueError('Invalid name')
|
|
if path[1] not in NAME_DB_MAP:
|
|
raise UnknownKeyName("Unknown DB named '%s'" % path[1])
|
|
dbmap = NAME_DB_MAP[path[1]]
|
|
return dbmap['handler'](self.config, dbmap, path[2])
|
|
|
|
def get(self, key):
|
|
try:
|
|
key_handler = self._get_handler(key)
|
|
value = key_handler.export_key()
|
|
except Exception as e: # pylint: disable=broad-except
|
|
log_error('Error retrievieng key "%s": %s' % (key, str(e)))
|
|
value = None
|
|
return value
|
|
|
|
def set(self, key, value, replace=False):
|
|
try:
|
|
key_handler = self._get_handler(key)
|
|
key_handler.import_key(value)
|
|
except Exception as e: # pylint: disable=broad-except
|
|
log_error('Error storing key "%s": %s' % (key, str(e)))
|
|
|
|
def list(self, keyfilter=None):
|
|
raise NotImplementedError
|
|
|
|
def cut(self, key):
|
|
raise NotImplementedError
|
|
|
|
def span(self, key):
|
|
raise NotImplementedError
|
|
|
|
|
|
# backwards compatibility with FreeIPA 4.3 and 4.4.
|
|
iSecStore = IPASecStore
|