Imported Upstream version 4.7.2
This commit is contained in:
Mario Fetka
0
ipaserver/secrets/__init__.py
Normal file
0
ipaserver/secrets/__init__.py
Normal file
118
ipaserver/secrets/client.py
Normal file
118
ipaserver/secrets/client.py
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@@ -0,0 +1,118 @@
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# Copyright (C) 2015 IPA Project Contributors, see COPYING for license
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from __future__ import print_function, absolute_import
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# pylint: disable=relative-import
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from custodia.message.kem import KEMClient, KEY_USAGE_SIG, KEY_USAGE_ENC
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# pylint: enable=relative-import
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from jwcrypto.common import json_decode
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from jwcrypto.jwk import JWK
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from ipaserver.secrets.kem import IPAKEMKeys
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from ipaserver.secrets.store import iSecStore
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from ipaplatform.paths import paths
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from base64 import b64encode
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import ldapurl
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import gssapi
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import os
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import urllib3
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import requests
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class CustodiaClient(object):
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def _client_keys(self):
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return self.ikk.server_keys
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def _server_keys(self, server, realm):
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principal = 'host/%s@%s' % (server, realm)
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sk = JWK(**json_decode(self.ikk.find_key(principal, KEY_USAGE_SIG)))
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ek = JWK(**json_decode(self.ikk.find_key(principal, KEY_USAGE_ENC)))
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return (sk, ek)
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def _ldap_uri(self, realm):
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dashrealm = '-'.join(realm.split('.'))
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socketpath = paths.SLAPD_INSTANCE_SOCKET_TEMPLATE % (dashrealm,)
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return 'ldapi://' + ldapurl.ldapUrlEscape(socketpath)
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def _keystore(self, realm, ldap_uri, auth_type):
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config = dict()
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if ldap_uri is None:
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config['ldap_uri'] = self._ldap_uri(realm)
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else:
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config['ldap_uri'] = ldap_uri
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if auth_type is not None:
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config['auth_type'] = auth_type
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return iSecStore(config)
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def __init__(
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self, client_service, keyfile, keytab, server, realm,
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ldap_uri=None, auth_type=None):
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self.client_service = client_service
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self.keytab = keytab
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# Init creds immediately to make sure they are valid. Creds
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# can also be re-inited by _auth_header to avoid expiry.
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#
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self.creds = self.init_creds()
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self.service_name = gssapi.Name('HTTP@%s' % (server,),
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gssapi.NameType.hostbased_service)
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self.server = server
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self.ikk = IPAKEMKeys({'server_keys': keyfile, 'ldap_uri': ldap_uri})
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self.kemcli = KEMClient(self._server_keys(server, realm),
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self._client_keys())
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self.keystore = self._keystore(realm, ldap_uri, auth_type)
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# FIXME: Remove warnings about missing subjAltName for the
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# requests module
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urllib3.disable_warnings()
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def init_creds(self):
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name = gssapi.Name(self.client_service,
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gssapi.NameType.hostbased_service)
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store = {'client_keytab': self.keytab,
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'ccache': 'MEMORY:Custodia_%s' % b64encode(
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os.urandom(8)).decode('ascii')}
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return gssapi.Credentials(name=name, store=store, usage='initiate')
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def _auth_header(self):
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if not self.creds or self.creds.lifetime < 300:
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self.creds = self.init_creds()
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ctx = gssapi.SecurityContext(name=self.service_name, creds=self.creds)
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authtok = ctx.step()
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return {'Authorization': 'Negotiate %s' % b64encode(
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authtok).decode('ascii')}
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def fetch_key(self, keyname, store=True):
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# Prepare URL
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url = 'https://%s/ipa/keys/%s' % (self.server, keyname)
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# Prepare signed/encrypted request
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encalg = ('RSA-OAEP', 'A256CBC-HS512')
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request = self.kemcli.make_request(keyname, encalg=encalg)
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# Prepare Authentication header
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headers = self._auth_header()
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# Perform request
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r = requests.get(url, headers=headers,
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verify=paths.IPA_CA_CRT,
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params={'type': 'kem', 'value': request})
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r.raise_for_status()
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reply = r.json()
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if 'type' not in reply or reply['type'] != 'kem':
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raise RuntimeError('Invlid JSON response type')
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value = self.kemcli.parse_reply(keyname, reply['value'])
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if store:
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self.keystore.set('keys/%s' % keyname, value)
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else:
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return value
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return None
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47
ipaserver/secrets/common.py
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47
ipaserver/secrets/common.py
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@@ -0,0 +1,47 @@
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# Copyright (C) 2015 IPA Project Contributors, see COPYING for license
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from __future__ import print_function
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import ldap
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import ldap.sasl
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import ldap.filter
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from ipapython.ipaldap import ldap_initialize
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class iSecLdap(object):
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def __init__(self, uri, auth_type=None):
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self.uri = uri
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if auth_type is not None:
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self.auth_type = auth_type
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else:
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if uri.startswith('ldapi'):
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self.auth_type = 'EXTERNAL'
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else:
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self.auth_type = 'GSSAPI'
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self._basedn = None
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@property
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def basedn(self):
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if self._basedn is None:
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conn = self.connect()
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r = conn.search_s('', ldap.SCOPE_BASE)
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self._basedn = r[0][1]['defaultnamingcontext'][0].decode('utf-8')
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return self._basedn
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def connect(self):
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conn = ldap_initialize(self.uri)
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if self.auth_type == 'EXTERNAL':
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auth_tokens = ldap.sasl.external(None)
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elif self.auth_type == 'GSSAPI':
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auth_tokens = ldap.sasl.sasl({}, 'GSSAPI')
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else:
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raise ValueError(
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'Invalid authentication type: %s' % self.auth_type)
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conn.sasl_interactive_bind_s('', auth_tokens)
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return conn
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def build_filter(self, formatstr, args):
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escaped_args = dict()
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for key, value in args.items():
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escaped_args[key] = ldap.filter.escape_filter_chars(value)
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return formatstr.format(**escaped_args)
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291
ipaserver/secrets/kem.py
Normal file
291
ipaserver/secrets/kem.py
Normal file
@@ -0,0 +1,291 @@
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# Copyright (C) 2015 IPA Project Contributors, see COPYING for license
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from __future__ import print_function, absolute_import
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import errno
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import os
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# pylint: disable=import-error
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from six.moves.configparser import ConfigParser
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# pylint: enable=import-error
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from ipaplatform.paths import paths
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from ipapython.dn import DN
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives import serialization
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from cryptography.hazmat.primitives.asymmetric import rsa, ec
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# pylint: disable=relative-import
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from custodia.message.kem import KEMKeysStore
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from custodia.message.kem import KEY_USAGE_SIG, KEY_USAGE_ENC, KEY_USAGE_MAP
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# pylint: enable=relative-import
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from jwcrypto.common import json_decode, json_encode
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from jwcrypto.common import base64url_encode
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from jwcrypto.jwk import JWK
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from ipaserver.secrets.common import iSecLdap
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from binascii import unhexlify
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import ldap
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IPA_REL_BASE_DN = 'cn=custodia,cn=ipa,cn=etc'
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IPA_KEYS_QUERY = '(&(ipaKeyUsage={usage:s})(memberPrincipal={princ:s}))'
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IPA_CHECK_QUERY = '(cn=enc/{host:s})'
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RFC5280_USAGE_MAP = {KEY_USAGE_SIG: 'digitalSignature',
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KEY_USAGE_ENC: 'dataEncipherment'}
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class KEMLdap(iSecLdap):
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@property
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def keysbase(self):
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return '%s,%s' % (IPA_REL_BASE_DN, self.basedn)
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def _encode_int(self, i):
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I = hex(i).rstrip("L").lstrip("0x")
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return base64url_encode(unhexlify((len(I) % 2) * '0' + I))
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def _parse_public_key(self, ipa_public_key):
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public_key = serialization.load_der_public_key(ipa_public_key,
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default_backend())
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num = public_key.public_numbers()
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if isinstance(num, rsa.RSAPublicNumbers):
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return {'kty': 'RSA',
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'e': self._encode_int(num.e),
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'n': self._encode_int(num.n)}
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elif isinstance(num, ec.EllipticCurvePublicNumbers):
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if num.curve.name == 'secp256r1':
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curve = 'P-256'
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elif num.curve.name == 'secp384r1':
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curve = 'P-384'
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elif num.curve.name == 'secp521r1':
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curve = 'P-521'
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else:
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raise TypeError('Unsupported Elliptic Curve')
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return {'kty': 'EC',
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'crv': curve,
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'x': self._encode_int(num.x),
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'y': self._encode_int(num.y)}
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else:
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raise TypeError('Unknown Public Key type')
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def get_key(self, usage, principal):
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conn = self.connect()
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scope = ldap.SCOPE_SUBTREE
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ldap_filter = self.build_filter(IPA_KEYS_QUERY,
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{'usage': RFC5280_USAGE_MAP[usage],
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'princ': principal})
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r = conn.search_s(self.keysbase, scope, ldap_filter)
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if len(r) != 1:
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raise ValueError("Incorrect number of results (%d) searching for "
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"public key for %s" % (len(r), principal))
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ipa_public_key = r[0][1]['ipaPublicKey'][0]
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jwk = self._parse_public_key(ipa_public_key)
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jwk['use'] = KEY_USAGE_MAP[usage]
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return json_encode(jwk)
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def check_host_keys(self, host):
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conn = self.connect()
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scope = ldap.SCOPE_SUBTREE
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ldap_filter = self.build_filter(IPA_CHECK_QUERY, {'host': host})
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r = conn.search_s(self.keysbase, scope, ldap_filter)
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if not r:
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raise ValueError("No public keys were found for %s" % host)
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return True
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def _format_public_key(self, key):
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if isinstance(key, str):
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jwkey = json_decode(key)
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if 'kty' not in jwkey:
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raise ValueError('Invalid key, missing "kty" attribute')
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if jwkey['kty'] == 'RSA':
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pubnum = rsa.RSAPublicNumbers(jwkey['e'], jwkey['n'])
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pubkey = pubnum.public_key(default_backend())
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elif jwkey['kty'] == 'EC':
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if jwkey['crv'] == 'P-256':
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curve = ec.SECP256R1
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elif jwkey['crv'] == 'P-384':
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curve = ec.SECP384R1
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elif jwkey['crv'] == 'P-521':
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curve = ec.SECP521R1
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else:
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raise TypeError('Unsupported Elliptic Curve')
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pubnum = ec.EllipticCurvePublicNumbers(
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jwkey['x'], jwkey['y'], curve)
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pubkey = pubnum.public_key(default_backend())
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else:
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raise ValueError('Unknown key type: %s' % jwkey['kty'])
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elif isinstance(key, rsa.RSAPublicKey):
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pubkey = key
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elif isinstance(key, ec.EllipticCurvePublicKey):
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pubkey = key
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else:
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raise TypeError('Unknown key type: %s' % type(key))
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return pubkey.public_bytes(
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encoding=serialization.Encoding.DER,
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format=serialization.PublicFormat.SubjectPublicKeyInfo)
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def _get_dn(self, usage, principal):
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servicename, host = principal.split('@')[0].split('/')
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name = '%s/%s' % (KEY_USAGE_MAP[usage], host)
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service_rdn = ('cn', servicename) if servicename != 'host' else DN()
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return DN(('cn', name), service_rdn, self.keysbase)
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def set_key(self, usage, principal, key):
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"""
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Write key for the host or service.
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Service keys are nested one level beneath the 'cn=custodia'
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container, in the 'cn=<servicename>' container; this allows
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fine-grained control over key management permissions for
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specific services.
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The container is assumed to exist.
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"""
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public_key = self._format_public_key(key)
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dn = self._get_dn(usage, principal)
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conn = self.connect()
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try:
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mods = [('objectClass', [b'nsContainer',
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b'ipaKeyPolicy',
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b'ipaPublicKeyObject',
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b'groupOfPrincipals']),
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('cn', dn[0].value.encode('utf-8')),
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('ipaKeyUsage', RFC5280_USAGE_MAP[usage].encode('utf-8')),
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('memberPrincipal', principal.encode('utf-8')),
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('ipaPublicKey', public_key)]
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conn.add_s(str(dn), mods)
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except ldap.ALREADY_EXISTS:
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mods = [(ldap.MOD_REPLACE, 'ipaPublicKey', public_key)]
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||||
conn.modify_s(str(dn), mods)
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||||
|
||||
def del_key(self, usage, principal):
|
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"""Delete key for host or service
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||||
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:returns: DN of removed key or None when key was not found
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||||
"""
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||||
dn = self._get_dn(usage, principal)
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||||
conn = self.connect()
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||||
try:
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||||
conn.delete_s(str(dn))
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||||
except ldap.NO_SUCH_OBJECT:
|
||||
return None
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||||
else:
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||||
return dn
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||||
|
||||
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||||
def newServerKeys(path, keyid):
|
||||
skey = JWK(generate='RSA', use='sig', kid=keyid)
|
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ekey = JWK(generate='RSA', use='enc', kid=keyid)
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with open(path, 'w') as f:
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os.fchmod(f.fileno(), 0o600)
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||||
os.fchown(f.fileno(), 0, 0)
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||||
f.write('[%s,%s]' % (skey.export(), ekey.export()))
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||||
return [skey.get_op_key('verify'), ekey.get_op_key('encrypt')]
|
||||
|
||||
|
||||
class IPAKEMKeys(KEMKeysStore):
|
||||
"""A KEM Keys Store.
|
||||
|
||||
This is a store that holds public keys of registered
|
||||
clients allowed to use KEM messages. It takes the form
|
||||
of an authorizer merely for the purpose of attaching
|
||||
itself to a 'request' so that later on the KEM Parser
|
||||
can fetch the appropariate key to verify/decrypt an
|
||||
incoming request and make the payload available.
|
||||
|
||||
The KEM Parser will actually perform additional
|
||||
authorization checks in this case.
|
||||
|
||||
SimplePathAuthz is extended here as we want to attach the
|
||||
store only to requests on paths we are configured to
|
||||
manage.
|
||||
"""
|
||||
|
||||
def __init__(self, config=None, ipaconf=paths.IPA_DEFAULT_CONF):
|
||||
super(IPAKEMKeys, self).__init__(config)
|
||||
conf = ConfigParser()
|
||||
self.host = None
|
||||
self.realm = None
|
||||
self.ldap_uri = config.get('ldap_uri', None)
|
||||
if conf.read(ipaconf):
|
||||
self.host = conf.get('global', 'host')
|
||||
self.realm = conf.get('global', 'realm')
|
||||
if self.ldap_uri is None:
|
||||
self.ldap_uri = conf.get('global', 'ldap_uri', raw=True)
|
||||
|
||||
self._server_keys = None
|
||||
|
||||
def find_key(self, kid, usage):
|
||||
if kid is None:
|
||||
raise TypeError('Key ID is None, should be a SPN')
|
||||
conn = KEMLdap(self.ldap_uri)
|
||||
return conn.get_key(usage, kid)
|
||||
|
||||
def generate_server_keys(self):
|
||||
self.generate_keys('host')
|
||||
|
||||
def generate_keys(self, servicename):
|
||||
principal = '%s/%s@%s' % (servicename, self.host, self.realm)
|
||||
# Neutralize the key with read if any
|
||||
self._server_keys = None
|
||||
# Generate private key and store it
|
||||
pubkeys = newServerKeys(self.config['server_keys'], principal)
|
||||
# Store public key in LDAP
|
||||
ldapconn = KEMLdap(self.ldap_uri)
|
||||
ldapconn.set_key(KEY_USAGE_SIG, principal, pubkeys[0])
|
||||
ldapconn.set_key(KEY_USAGE_ENC, principal, pubkeys[1])
|
||||
|
||||
def remove_server_keys_file(self):
|
||||
"""Remove keys from disk
|
||||
|
||||
The method does not fail when the file is missing.
|
||||
"""
|
||||
try:
|
||||
os.unlink(self.config['server_keys'])
|
||||
except OSError as e:
|
||||
if e.errno != errno.ENOENT:
|
||||
raise
|
||||
return False
|
||||
else:
|
||||
return True
|
||||
|
||||
def remove_server_keys(self):
|
||||
"""Remove keys from LDAP and disk
|
||||
"""
|
||||
self.remove_keys('host')
|
||||
|
||||
def remove_keys(self, servicename):
|
||||
"""Remove keys from LDAP and disk
|
||||
"""
|
||||
self.remove_server_keys_file()
|
||||
principal = '%s/%s@%s' % (servicename, self.host, self.realm)
|
||||
if self.ldap_uri is not None:
|
||||
ldapconn = KEMLdap(self.ldap_uri)
|
||||
ldapconn.del_key(KEY_USAGE_SIG, principal)
|
||||
ldapconn.del_key(KEY_USAGE_ENC, principal)
|
||||
|
||||
@property
|
||||
def server_keys(self):
|
||||
if self._server_keys is None:
|
||||
with open(self.config['server_keys']) as f:
|
||||
jsonkeys = f.read()
|
||||
dictkeys = json_decode(jsonkeys)
|
||||
self._server_keys = (JWK(**dictkeys[KEY_USAGE_SIG]),
|
||||
JWK(**dictkeys[KEY_USAGE_ENC]))
|
||||
return self._server_keys
|
||||
|
||||
|
||||
# Manual testing
|
||||
if __name__ == '__main__':
|
||||
IKK = IPAKEMKeys({'paths': '/',
|
||||
'server_keys': '/etc/ipa/custodia/server.keys'})
|
||||
IKK.generate_server_keys()
|
||||
print(('SIG', IKK.server_keys[0].export_public()))
|
||||
print(('ENC', IKK.server_keys[1].export_public()))
|
||||
print(IKK.find_key('host/%s@%s' % (IKK.host, IKK.realm),
|
||||
usage=KEY_USAGE_SIG))
|
||||
print(IKK.find_key('host/%s@%s' % (IKK.host, IKK.realm),
|
||||
usage=KEY_USAGE_ENC))
|
||||
30
ipaserver/secrets/service.py
Normal file
30
ipaserver/secrets/service.py
Normal file
@@ -0,0 +1,30 @@
|
||||
# Copyright (C) 2017 IPA Project Contributors, see COPYING for license
|
||||
import argparse
|
||||
|
||||
import custodia.server # pylint: disable=relative-import
|
||||
|
||||
|
||||
argparser = argparse.ArgumentParser(
|
||||
prog='ipa-custodia',
|
||||
description='IPA Custodia service'
|
||||
)
|
||||
argparser.add_argument(
|
||||
'--debug',
|
||||
action='store_true',
|
||||
help='Debug mode'
|
||||
)
|
||||
argparser.add_argument(
|
||||
'configfile',
|
||||
nargs='?',
|
||||
type=argparse.FileType('r'),
|
||||
help="Path to IPA's custodia server config",
|
||||
default='/etc/ipa/custodia/custodia.conf'
|
||||
)
|
||||
|
||||
|
||||
def main():
|
||||
return custodia.server.main(argparser)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
302
ipaserver/secrets/store.py
Normal file
302
ipaserver/secrets/store.py
Normal file
@@ -0,0 +1,302 @@
|
||||
# Copyright (C) 2015 IPA Project Contributors, see COPYING for license
|
||||
|
||||
from __future__ import print_function, absolute_import
|
||||
from base64 import b64encode, b64decode
|
||||
from custodia.store.interface import CSStore # pylint: disable=relative-import
|
||||
from jwcrypto.common import json_decode, json_encode
|
||||
from ipaplatform.paths import paths
|
||||
from ipapython import ipautil
|
||||
from ipapython.certdb import NSSDatabase
|
||||
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)
|
||||
|
||||
|
||||
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 'pwdfile' not in dbmap:
|
||||
raise ValueError('Configuration does not provide password file')
|
||||
if 'wrap_nick' not in dbmap:
|
||||
raise ValueError(
|
||||
'Configuration does not provide nickname of wrapping key')
|
||||
self.nssdb_path = dbmap['path']
|
||||
self.nssdb_pwdfile = dbmap['pwdfile']
|
||||
self.wrap_nick = dbmap['wrap_nick']
|
||||
self.target_nick = nickname
|
||||
|
||||
def export_key(self):
|
||||
tdir = tempfile.mkdtemp(dir=paths.TMP)
|
||||
try:
|
||||
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', self.nssdb_pwdfile,
|
||||
'ca-authority-key-export',
|
||||
'--wrap-nickname', self.wrap_nick,
|
||||
'--target-nickname', self.target_nick,
|
||||
'-o', wrapped_key_file])
|
||||
nssdb = NSSDatabase(self.nssdb_path)
|
||||
nssdb.run_certutil([
|
||||
'-L', '-n', self.target_nick,
|
||||
'-a', '-o', certificate_file,
|
||||
])
|
||||
with open(wrapped_key_file, 'rb') 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).decode('ascii'),
|
||||
'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 'pwdfile' not in dbmap:
|
||||
raise ValueError('Configuration does not provide password file')
|
||||
self.nssdb_path = dbmap['path']
|
||||
self.nssdb_pwdfile = dbmap['pwdfile']
|
||||
self.nickname = nickname
|
||||
|
||||
def export_key(self):
|
||||
tdir = tempfile.mkdtemp(dir=paths.TMP)
|
||||
try:
|
||||
pk12pwfile = os.path.join(tdir, 'pk12pwfile')
|
||||
password = ipautil.ipa_generate_password()
|
||||
with open(pk12pwfile, 'w') as f:
|
||||
f.write(password)
|
||||
pk12file = os.path.join(tdir, 'pk12file')
|
||||
nssdb = NSSDatabase(self.nssdb_path)
|
||||
nssdb.run_pk12util([
|
||||
"-o", pk12file,
|
||||
"-n", self.nickname,
|
||||
"-k", self.nssdb_pwdfile,
|
||||
"-w", pk12pwfile,
|
||||
])
|
||||
with open(pk12file, 'rb') as f:
|
||||
data = f.read()
|
||||
finally:
|
||||
shutil.rmtree(tdir)
|
||||
return json_encode({'export password': password,
|
||||
'pkcs12 data': b64encode(data).decode('ascii')})
|
||||
|
||||
def import_key(self, value):
|
||||
v = json_decode(value)
|
||||
tdir = tempfile.mkdtemp(dir=paths.TMP)
|
||||
try:
|
||||
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, 'wb') as f:
|
||||
f.write(b64decode(v['pkcs12 data']))
|
||||
nssdb = NSSDatabase(self.nssdb_path)
|
||||
nssdb.run_pk12util([
|
||||
"-i", pk12file,
|
||||
"-n", self.nickname,
|
||||
"-k", self.nssdb_pwdfile,
|
||||
"-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!')
|
||||
rootpw = r[0][1]['nsslapd-rootpw'][0]
|
||||
return json_encode({'dmhash': rootpw.decode('ascii')})
|
||||
|
||||
def import_key(self, value):
|
||||
v = json_decode(value)
|
||||
rootpw = v['dmhash'].encode('ascii')
|
||||
conn = self.ldap.connect()
|
||||
mods = [(ldap.MOD_REPLACE, 'nsslapd-rootpw', rootpw)]
|
||||
conn.modify_s('cn=config', mods)
|
||||
|
||||
|
||||
class PEMFileHandler(DBMAPHandler):
|
||||
def __init__(self, config, dbmap, nickname=None):
|
||||
if 'type' not in dbmap or dbmap['type'] != 'PEM':
|
||||
raise ValueError('Invalid type "{t}", expected PEM'
|
||||
.format(t=dbmap['type']))
|
||||
self.certfile = dbmap['certfile']
|
||||
self.keyfile = dbmap.get('keyfile')
|
||||
|
||||
def export_key(self):
|
||||
_fd, tmpfile = tempfile.mkstemp(dir=paths.TMP)
|
||||
password = ipautil.ipa_generate_password()
|
||||
args = [
|
||||
paths.OPENSSL,
|
||||
"pkcs12", "-export",
|
||||
"-in", self.certfile,
|
||||
"-out", tmpfile,
|
||||
"-password", "pass:{pwd}".format(pwd=password)
|
||||
]
|
||||
if self.keyfile is not None:
|
||||
args.extend(["-inkey", self.keyfile])
|
||||
|
||||
try:
|
||||
ipautil.run(args, nolog=(password, ))
|
||||
with open(tmpfile, 'rb') as f:
|
||||
data = f.read()
|
||||
finally:
|
||||
os.remove(tmpfile)
|
||||
return json_encode({'export password': password,
|
||||
'pkcs12 data': b64encode(data).decode('ascii')})
|
||||
|
||||
def import_key(self, value):
|
||||
v = json_decode(value)
|
||||
data = b64decode(v['pkcs12 data'])
|
||||
password = v['export password']
|
||||
fd, tmpdata = tempfile.mkstemp(dir=paths.TMP)
|
||||
os.close(fd)
|
||||
try:
|
||||
with open(tmpdata, 'wb') as f:
|
||||
f.write(data)
|
||||
|
||||
# get the certificate from the file
|
||||
ipautil.run([paths.OPENSSL,
|
||||
"pkcs12",
|
||||
"-in", tmpdata,
|
||||
"-clcerts", "-nokeys",
|
||||
"-out", self.certfile,
|
||||
"-passin", "pass:{pwd}".format(pwd=password)],
|
||||
nolog=(password, ))
|
||||
|
||||
if self.keyfile is not None:
|
||||
# get the private key from the file
|
||||
ipautil.run([paths.OPENSSL,
|
||||
"pkcs12",
|
||||
"-in", tmpdata,
|
||||
"-nocerts", "-nodes",
|
||||
"-out", self.keyfile,
|
||||
"-passin", "pass:{pwd}".format(pwd=password)],
|
||||
nolog=(password, ))
|
||||
finally:
|
||||
os.remove(tmpdata)
|
||||
|
||||
|
||||
NAME_DB_MAP = {
|
||||
'ca': {
|
||||
'type': 'NSSDB',
|
||||
'path': paths.PKI_TOMCAT_ALIAS_DIR,
|
||||
'handler': NSSCertDB,
|
||||
'pwdfile': paths.PKI_TOMCAT_ALIAS_PWDFILE_TXT,
|
||||
},
|
||||
'ca_wrapped': {
|
||||
'handler': NSSWrappedCertDB,
|
||||
'path': paths.PKI_TOMCAT_ALIAS_DIR,
|
||||
'pwdfile': paths.PKI_TOMCAT_ALIAS_PWDFILE_TXT,
|
||||
'wrap_nick': 'caSigningCert cert-pki-ca',
|
||||
},
|
||||
'ra': {
|
||||
'type': 'PEM',
|
||||
'handler': PEMFileHandler,
|
||||
'certfile': paths.RA_AGENT_PEM,
|
||||
'keyfile': paths.RA_AGENT_KEY,
|
||||
},
|
||||
'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 retrieving 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
|
||||
Reference in New Issue
Block a user