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samba-mirror/python/samba/trust_utils.py
Isaac Boukris c2644032b4 Add CreateTrustedDomainRelax wrapper for fips mode
Signed-off-by: Isaac Boukris <iboukris@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
2020-11-06 10:02:35 +00:00

63 lines
2.1 KiB
Python

# trust utils
#
# Copyright Isaac Boukris 2020
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from samba.dcerpc import lsa, drsblobs
from samba.ndr import ndr_pack
from samba import arcfour_encrypt, string_to_byte_array
import random
from samba import crypto
def CreateTrustedDomainRelax(lsaconn, policy, trust_info, mask, in_blob, out_blob):
def generate_AuthInfoInternal(session_key, incoming=None, outgoing=None):
confounder = [0] * 512
for i in range(len(confounder)):
confounder[i] = random.randint(0, 255)
trustpass = drsblobs.trustDomainPasswords()
trustpass.confounder = confounder
trustpass.outgoing = outgoing
trustpass.incoming = incoming
trustpass_blob = ndr_pack(trustpass)
encrypted_trustpass = arcfour_encrypt(session_key, trustpass_blob)
auth_blob = lsa.DATA_BUF2()
auth_blob.size = len(encrypted_trustpass)
auth_blob.data = string_to_byte_array(encrypted_trustpass)
auth_info = lsa.TrustDomainInfoAuthInfoInternal()
auth_info.auth_blob = auth_blob
return auth_info
session_key = lsaconn.session_key
try:
if lsaconn.transport_encrypted():
crypto.set_relax_mode()
auth_info = generate_AuthInfoInternal(session_key,
incoming=in_blob,
outgoing=out_blob)
finally:
crypto.set_strict_mode()
return lsaconn.CreateTrustedDomainEx2(policy, trust_info, auth_info, mask)