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samba-mirror/python/samba/tests/dcerpc/raw_protocol.py
Stefan Metzmacher 9ebc679e76 CVE-2021-23192: python/tests/dcerpc: add tests to check how security contexts relate to fragmented requests
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14875

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
2021-11-09 19:45:34 +00:00

7515 lines
352 KiB
Python
Executable File

#!/usr/bin/env python3
# Unix SMB/CIFS implementation.
# Copyright (C) Stefan Metzmacher 2014,2015
#
# 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/>.
#
import sys
import os
import time
sys.path.insert(0, "bin/python")
os.environ["PYTHONUNBUFFERED"] = "1"
import samba.dcerpc.dcerpc as dcerpc
import samba.dcerpc.base as base
import samba.dcerpc.misc as misc
import samba.dcerpc.epmapper
import samba.dcerpc.mgmt
import samba.dcerpc.netlogon
import samba.dcerpc.lsa
import struct
from samba import gensec
from samba.tests.dcerpc.raw_testcase import RawDCERPCTest
from samba.ntstatus import (
NT_STATUS_SUCCESS
)
global_ndr_print = False
global_hexdump = False
class TestDCERPC_BIND(RawDCERPCTest):
def setUp(self):
super(TestDCERPC_BIND, self).setUp()
self.do_ndr_print = global_ndr_print
self.do_hexdump = global_hexdump
def _test_no_auth_request_bind_pfc_flags(self, req_pfc_flags, rep_pfc_flags):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, pfc_flags=req_pfc_flags, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
pfc_flags=rep_pfc_flags, auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# And now try a request
req = self.generate_request(call_id=1,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def _test_no_auth_request_alter_pfc_flags(self, req_pfc_flags, rep_pfc_flags):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# And now try a alter context
req = self.generate_alter(call_id=0, pfc_flags=req_pfc_flags, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
pfc_flags=rep_pfc_flags, auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertEqual(rep.u.secondary_address, "")
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# And now try a request
req = self.generate_request(call_id=1,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def test_no_auth_request(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_bind_pfc_00(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_bind_pfc_FIRST(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_bind_pfc_LAST(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_LAST |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_bind_pfc_HDR_SIGNING(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN)
def test_no_auth_request_bind_pfc_08(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
8 |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_bind_pfc_CONC_MPX(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_CONC_MPX |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_CONC_MPX)
def test_no_auth_request_bind_pfc_DID_NOT_EXECUTE(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_bind_pfc_MAYBE(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_MAYBE |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_bind_pfc_OBJECT_UUID(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_OBJECT_UUID |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
# TODO: doesn't announce DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN
# without authentication
# TODO: doesn't announce DCERPC_PFC_FLAG_CONC_MPX
# by default
def _test_no_auth_request_bind_pfc_ff(self):
return self._test_no_auth_request_bind_pfc_flags(
req_pfc_flags=0 |
0xff |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN |
dcerpc.DCERPC_PFC_FLAG_CONC_MPX)
def test_no_auth_request_alter_pfc_00(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_alter_pfc_FIRST(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_alter_pfc_LAST(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_LAST |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_alter_pfc_HDR_SIGNING(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN)
def test_no_auth_request_alter_pfc_08(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
8 |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_alter_pfc_CONC_MPX(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_CONC_MPX |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_alter_pfc_DID_NOT_EXECUTE(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_alter_pfc_MAYBE(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_MAYBE |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_alter_pfc_OBJECT_UUID(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_OBJECT_UUID |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST)
def test_no_auth_request_alter_pfc_ff(self):
return self._test_no_auth_request_alter_pfc_flags(
req_pfc_flags=0 |
0xff |
0,
rep_pfc_flags=0 |
dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN)
def test_no_auth_no_ctx(self):
# send an useless bind
req = self.generate_bind(call_id=0)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_NAK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.reject_reason,
dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
self.assertEqual(rep.u.num_versions, 1)
self.assertEqual(rep.u.versions[0].rpc_vers, req.rpc_vers)
self.assertEqual(rep.u.versions[0].rpc_vers_minor, req.rpc_vers_minor)
self.assertPadding(rep.u._pad, 3)
def test_invalid_auth_noctx(self):
req = self.generate_bind(call_id=0)
req.auth_length = dcerpc.DCERPC_AUTH_TRAILER_LENGTH
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_NAK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.reject_reason,
dcerpc.DCERPC_BIND_NAK_REASON_PROTOCOL_VERSION_NOT_SUPPORTED)
self.assertEqual(rep.u.num_versions, 1)
self.assertEqual(rep.u.versions[0].rpc_vers, req.rpc_vers)
self.assertEqual(rep.u.versions[0].rpc_vers_minor, req.rpc_vers_minor)
self.assertPadding(rep.u._pad, 3)
def test_no_auth_valid_valid_request(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# Send a bind again
tsf2_list = [ndr32]
ctx2 = dcerpc.ctx_list()
ctx2.context_id = 2
ctx2.num_transfer_syntaxes = len(tsf2_list)
ctx2.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx2.transfer_syntaxes = tsf2_list
req = self.generate_bind(call_id=1, ctx_list=[ctx2])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_NAK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.reject_reason,
dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
self.assertEqual(rep.u.num_versions, 1)
self.assertEqual(rep.u.versions[0].rpc_vers, req.rpc_vers)
self.assertEqual(rep.u.versions[0].rpc_vers_minor, req.rpc_vers_minor)
self.assertPadding(rep.u._pad, 3)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_no_auth_invalid_valid_request(self):
# send an useless bind
req = self.generate_bind(call_id=0)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_NAK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.reject_reason,
dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
self.assertEqual(rep.u.num_versions, 1)
self.assertEqual(rep.u.versions[0].rpc_vers, req.rpc_vers)
self.assertEqual(rep.u.versions[0].rpc_vers_minor, req.rpc_vers_minor)
self.assertPadding(rep.u._pad, 3)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_alter_no_auth_no_ctx(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# Send a alter
req = self.generate_alter(call_id=1, ctx_list=[])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_no_auth_presentation_ctx_valid1(self):
ndr32 = base.transfer_syntax_ndr()
zero_syntax = misc.ndr_syntax_id()
tsf1_list = [zero_syntax, ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# Send a alter
req = self.generate_alter(call_id=1, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0xffff,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, ctx1.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_OP_RNG_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
def test_no_auth_presentation_ctx_invalid1(self):
ndr32 = base.transfer_syntax_ndr()
zero_syntax = misc.ndr_syntax_id()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = ndr32
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# Send a alter
req = self.generate_alter(call_id=1, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=2,
context_id=12345,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_UNKNOWN_IF)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# Send a alter again to prove the connection is still alive
req = self.generate_alter(call_id=3, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
def test_no_auth_presentation_ctx_invalid2(self):
ndr32 = base.transfer_syntax_ndr()
zero_syntax = misc.ndr_syntax_id()
tsf1a_list = []
ctx1a = dcerpc.ctx_list()
ctx1a.context_id = 1
ctx1a.num_transfer_syntaxes = len(tsf1a_list)
ctx1a.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1a.transfer_syntaxes = tsf1a_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1a])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_NAK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.reject_reason,
dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
self.assertEqual(rep.u.num_versions, 1)
self.assertEqual(rep.u.versions[0].rpc_vers, req.rpc_vers)
self.assertEqual(rep.u.versions[0].rpc_vers_minor, req.rpc_vers_minor)
self.assertPadding(rep.u._pad, 3)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_no_auth_presentation_ctx_invalid3(self):
ndr32 = base.transfer_syntax_ndr()
zero_syntax = misc.ndr_syntax_id()
tsf1a_list = [zero_syntax, ndr32, ndr32, ndr32]
ctx1a = dcerpc.ctx_list()
ctx1a.context_id = 1
ctx1a.num_transfer_syntaxes = len(tsf1a_list)
ctx1a.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1a.transfer_syntaxes = tsf1a_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1a])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
tsf1b_list = []
ctx1b = dcerpc.ctx_list()
ctx1b.context_id = 1
ctx1b.num_transfer_syntaxes = len(tsf1b_list)
ctx1b.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1b.transfer_syntaxes = tsf1b_list
# Send a alter
req = self.generate_alter(call_id=1, ctx_list=[ctx1b])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_no_auth_presentation_ctx_invalid4(self):
ndr32 = base.transfer_syntax_ndr()
ndr64 = base.transfer_syntax_ndr64()
zero_syntax = misc.ndr_syntax_id()
tsf1a_list = [zero_syntax, ndr32, ndr32, ndr32]
ctx1a = dcerpc.ctx_list()
ctx1a.context_id = 1
ctx1a.num_transfer_syntaxes = len(tsf1a_list)
ctx1a.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1a.transfer_syntaxes = tsf1a_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1a])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# With a known but wrong syntax we get a protocol error
# see test_no_auth_presentation_ctx_valid2
tsf1b_list = [zero_syntax, samba.dcerpc.epmapper.abstract_syntax(), ndr64]
ctx1b = dcerpc.ctx_list()
ctx1b.context_id = 1
ctx1b.num_transfer_syntaxes = len(tsf1b_list)
ctx1b.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1b.transfer_syntaxes = tsf1b_list
# Send a alter
req = self.generate_alter(call_id=1, ctx_list=[ctx1b])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_no_auth_presentation_ctx_valid2(self):
ndr32 = base.transfer_syntax_ndr()
zero_syntax = misc.ndr_syntax_id()
tsf1a_list = [zero_syntax, ndr32, ndr32, ndr32]
ctx1a = dcerpc.ctx_list()
ctx1a.context_id = 1
ctx1a.num_transfer_syntaxes = len(tsf1a_list)
ctx1a.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1a.transfer_syntaxes = tsf1a_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1a])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# With a unknown but wrong syntaxes we get NO protocol error
# see test_no_auth_presentation_ctx_invalid4
tsf1b_list = [zero_syntax, samba.dcerpc.epmapper.abstract_syntax()]
ctx1b = dcerpc.ctx_list()
ctx1b.context_id = 1
ctx1b.num_transfer_syntaxes = len(tsf1b_list)
ctx1b.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1b.transfer_syntaxes = tsf1b_list
# Send a alter
req = self.generate_alter(call_id=1, ctx_list=[ctx1b])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=2,
context_id=ctx1a.context_id,
opnum=0xffff,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, ctx1a.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_OP_RNG_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
def test_no_auth_presentation_ctx_no_ndr64(self):
ndr32 = base.transfer_syntax_ndr()
zero_syntax = misc.ndr_syntax_id()
tsfZ_list = [zero_syntax]
ctxZ = dcerpc.ctx_list()
ctxZ.context_id = 54321
ctxZ.num_transfer_syntaxes = len(tsfZ_list)
ctxZ.abstract_syntax = zero_syntax
ctxZ.transfer_syntaxes = tsfZ_list
req = self.generate_bind(call_id=0, ctx_list=[ctxZ])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
tsf0_list = [ndr32]
ctx0 = dcerpc.ctx_list()
ctx0.context_id = 0
ctx0.num_transfer_syntaxes = len(tsf0_list)
ctx0.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx0.transfer_syntaxes = tsf0_list
req = self.generate_alter(call_id=0, ctx_list=[ctx0])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=1,
context_id=ctx0.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
tsf1_list = [zero_syntax, ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_alter(call_id=1, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=1,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
tsf2_list = [ndr32, ndr32]
ctx2 = dcerpc.ctx_list()
ctx2.context_id = 2
ctx2.num_transfer_syntaxes = len(tsf2_list)
ctx2.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx2.transfer_syntaxes = tsf2_list
req = self.generate_alter(call_id=2, ctx_list=[ctx2])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=1,
context_id=ctx2.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
tsf3_list = [ndr32]
ctx3 = dcerpc.ctx_list()
ctx3.context_id = 3
ctx3.num_transfer_syntaxes = len(tsf3_list)
ctx3.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx3.transfer_syntaxes = tsf3_list
tsf4_list = [ndr32]
ctx4 = dcerpc.ctx_list()
ctx4.context_id = 4
ctx4.num_transfer_syntaxes = len(tsf4_list)
ctx4.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx4.transfer_syntaxes = tsf4_list
req = self.generate_alter(call_id=34, ctx_list=[ctx3, ctx4])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 2)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.ctx_list[1].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[1].reason,
dcerpc.DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[1].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=1,
context_id=ctx3.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
req = self.generate_alter(call_id=43, ctx_list=[ctx4, ctx3])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 2)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.ctx_list[1].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[1].reason,
dcerpc.DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[1].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=1,
context_id=ctx4.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
req = self.generate_request(call_id=1,
context_id=ctx3.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
req = self.generate_alter(call_id=44, ctx_list=[ctx4, ctx4])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 2)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.ctx_list[1].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[1].reason,
dcerpc.DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[1].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=1,
context_id=ctx4.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
req = self.generate_request(call_id=1,
context_id=ctx3.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
tsf5mgmt_list = [ndr32]
ctx5mgmt = dcerpc.ctx_list()
ctx5mgmt.context_id = 5
ctx5mgmt.num_transfer_syntaxes = len(tsf5mgmt_list)
ctx5mgmt.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx5mgmt.transfer_syntaxes = tsf5mgmt_list
tsf5epm_list = [ndr32]
ctx5epm = dcerpc.ctx_list()
ctx5epm.context_id = 5
ctx5epm.num_transfer_syntaxes = len(tsf5epm_list)
ctx5epm.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx5epm.transfer_syntaxes = tsf5epm_list
req = self.generate_alter(call_id=55, ctx_list=[ctx5mgmt, ctx5epm])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 2)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.ctx_list[1].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[1].reason,
dcerpc.DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[1].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=1,
context_id=ctx5mgmt.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
req = self.generate_alter(call_id=55, ctx_list=[ctx5mgmt, ctx5epm])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 2)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.ctx_list[1].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[1].reason,
dcerpc.DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[1].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
req = self.generate_request(call_id=1,
context_id=ctx5mgmt.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def test_no_auth_bind_time_none_simple(self):
features = 0
btf = base.bind_time_features_syntax(features)
zero_syntax = misc.ndr_syntax_id()
tsf1_list = [btf]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = zero_syntax
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK)
self.assertEqual(rep.u.ctx_list[0].reason, features)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
def test_no_auth_bind_time_none_ignore_additional(self):
features1 = 0
btf1 = base.bind_time_features_syntax(features1)
features2 = dcerpc.DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN
features2 |= dcerpc.DCERPC_BIND_TIME_SECURITY_CONTEXT_MULTIPLEXING
btf2 = base.bind_time_features_syntax(features2)
zero_syntax = misc.ndr_syntax_id()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [btf1, btf2, zero_syntax]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = ndr64
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK)
self.assertEqual(rep.u.ctx_list[0].reason, features1)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
def test_no_auth_bind_time_only_first(self):
features1 = dcerpc.DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN
btf1 = base.bind_time_features_syntax(features1)
features2 = dcerpc.DCERPC_BIND_TIME_SECURITY_CONTEXT_MULTIPLEXING
btf2 = base.bind_time_features_syntax(features2)
zero_syntax = misc.ndr_syntax_id()
tsf1_list = [zero_syntax, btf1, btf2, zero_syntax]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = zero_syntax
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
def test_no_auth_bind_time_twice(self):
features1 = dcerpc.DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN
btf1 = base.bind_time_features_syntax(features1)
features2 = dcerpc.DCERPC_BIND_TIME_SECURITY_CONTEXT_MULTIPLEXING
btf2 = base.bind_time_features_syntax(features2)
zero_syntax = misc.ndr_syntax_id()
tsf1_list = [btf1]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = zero_syntax
ctx1.transfer_syntaxes = tsf1_list
tsf2_list = [btf2]
ctx2 = dcerpc.ctx_list()
ctx2.context_id = 2
ctx2.num_transfer_syntaxes = len(tsf2_list)
ctx2.abstract_syntax = zero_syntax
ctx2.transfer_syntaxes = tsf2_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1, ctx2])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_NAK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.reject_reason,
dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
self.assertEqual(rep.u.num_versions, 1)
self.assertEqual(rep.u.versions[0].rpc_vers, req.rpc_vers)
self.assertEqual(rep.u.versions[0].rpc_vers_minor, req.rpc_vers_minor)
self.assertPadding(rep.u._pad, 3)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_no_auth_bind_time_keep_on_orphan_simple(self):
features = dcerpc.DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN
btf = base.bind_time_features_syntax(features)
zero_syntax = misc.ndr_syntax_id()
tsf1_list = [btf]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = zero_syntax
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK)
self.assertEqual(rep.u.ctx_list[0].reason, features)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
def test_no_auth_bind_time_keep_on_orphan_ignore_additional(self):
features1 = dcerpc.DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN
btf1 = base.bind_time_features_syntax(features1)
features2 = dcerpc.DCERPC_BIND_TIME_SECURITY_CONTEXT_MULTIPLEXING
btf2 = base.bind_time_features_syntax(features2)
zero_syntax = misc.ndr_syntax_id()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [btf1, btf2, zero_syntax]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = ndr64
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK)
self.assertEqual(rep.u.ctx_list[0].reason, features1)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
def test_no_auth_bind_time_sec_ctx_ignore_additional(self):
features1 = dcerpc.DCERPC_BIND_TIME_SECURITY_CONTEXT_MULTIPLEXING
btf1 = base.bind_time_features_syntax(features1)
features2 = dcerpc.DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN
btf2 = base.bind_time_features_syntax(features2)
zero_syntax = misc.ndr_syntax_id()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [btf1, btf2, zero_syntax]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = ndr64
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0, ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK)
self.assertEqual(rep.u.ctx_list[0].reason, features1)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, zero_syntax)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
def _test_auth_type_level_bind_nak(self, auth_type, auth_level, creds=None,
reason=dcerpc.DCERPC_BIND_NAK_REASON_INVALID_AUTH_TYPE):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
auth_context_id = 0
if creds is not None:
# We always start with DCERPC_AUTH_LEVEL_INTEGRITY
auth_context = self.get_auth_context_creds(creds,
auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY)
from_server = b""
(finished, to_server) = auth_context["gensec"].update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_context["auth_type"],
auth_level=auth_context["auth_level"],
auth_context_id=auth_context["auth_context_id"],
auth_blob=to_server)
else:
to_server = b"none"
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_NAK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.reject_reason, reason)
self.assertEqual(rep.u.num_versions, 1)
self.assertEqual(rep.u.versions[0].rpc_vers, req.rpc_vers)
self.assertEqual(rep.u.versions[0].rpc_vers_minor, req.rpc_vers_minor)
self.assertPadding(rep.u._pad, 3)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def _test_auth_none_level_bind(self, auth_level,
reason=dcerpc.DCERPC_BIND_NAK_REASON_INVALID_AUTH_TYPE):
return self._test_auth_type_level_bind_nak(auth_type=dcerpc.DCERPC_AUTH_LEVEL_NONE,
auth_level=auth_level, reason=reason)
def test_auth_none_none_bind(self):
return self._test_auth_none_level_bind(dcerpc.DCERPC_AUTH_LEVEL_NONE,
reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
def test_auth_none_connect_bind(self):
return self._test_auth_none_level_bind(dcerpc.DCERPC_AUTH_LEVEL_CONNECT)
def test_auth_none_call_bind(self):
return self._test_auth_none_level_bind(dcerpc.DCERPC_AUTH_LEVEL_CALL)
def test_auth_none_packet_bind(self):
return self._test_auth_none_level_bind(dcerpc.DCERPC_AUTH_LEVEL_PACKET)
def test_auth_none_integrity_bind(self):
return self._test_auth_none_level_bind(dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY)
def test_auth_none_privacy_bind(self):
return self._test_auth_none_level_bind(dcerpc.DCERPC_AUTH_LEVEL_PRIVACY)
def test_auth_none_0_bind(self):
return self._test_auth_none_level_bind(0,
reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
def test_auth_none_7_bind(self):
return self._test_auth_none_level_bind(7,
reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
def test_auth_none_255_bind(self):
return self._test_auth_none_level_bind(255,
reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
def _test_auth_none_level_request(self, auth_level):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
auth_type = dcerpc.DCERPC_AUTH_TYPE_NONE
auth_context_id = 0
req = self.generate_bind(call_id=0,
ctx_list=ctx_list)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(len(rep.u.auth_info), 0)
# And now try a request without auth_info
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=b"none")
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_ACCESS_DENIED)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_auth_none_none_request(self):
return self._test_auth_none_level_request(dcerpc.DCERPC_AUTH_LEVEL_NONE)
def test_auth_none_connect_request(self):
return self._test_auth_none_level_request(dcerpc.DCERPC_AUTH_LEVEL_CONNECT)
def test_auth_none_call_request(self):
return self._test_auth_none_level_request(dcerpc.DCERPC_AUTH_LEVEL_CALL)
def test_auth_none_packet_request(self):
return self._test_auth_none_level_request(dcerpc.DCERPC_AUTH_LEVEL_PACKET)
def test_ntlmssp_multi_auth_first1_lastSame2(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_FAULT_SEC_PKG_ERROR
auth_context_2nd = 2
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = None
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_lastNext2(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = 2
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = 4
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_lastSame111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = None
auth_context_2nd = 1
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = None
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_lastNext111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = 1
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = 4
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_lastNext111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = 1
expected_call_id = 4
expected_context_id = 0
not_executed = False
conc_mpx = True
forced_call_id = 4
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_lastSameNone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = None
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_lastSameNone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = True
forced_call_id = None
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_lastNextNone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = 4
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_lastNextNone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = 4
expected_context_id = 0
not_executed = False
conc_mpx = True
forced_call_id = 4
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_lastSameNone111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = None
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_lastSameNone111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = True
forced_call_id = None
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_lastNextNone111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = 4
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_lastNextNone111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = 4
expected_context_id = 0
not_executed = False
conc_mpx = True
forced_call_id = 4
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_last(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def _test_generic_auth_first_2nd(self,
auth_type,
pfc_flags_2nd,
expected_fault,
auth_context_2nd=2,
skip_first=False,
expected_call_id=None,
expected_context_id=None,
conc_mpx=False,
not_executed=False,
forced_call_id=None,
forced_context_id=None,
forced_opnum=None,
forced_auth_context_id=None,
forced_auth_type=None,
forced_auth_level=None):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level1 = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id1=1
auth_level2 = dcerpc.DCERPC_AUTH_LEVEL_PACKET
auth_context_id2=2
creds = self.get_user_creds()
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
tsf1_list = [transfer]
ctx = samba.dcerpc.dcerpc.ctx_list()
ctx.context_id = 1
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = abstract
ctx.transfer_syntaxes = tsf1_list
auth_context1 = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level1,
auth_context_id=auth_context_id1,
hdr_signing=False)
auth_context2 = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level2,
auth_context_id=auth_context_id2,
hdr_signing=False)
bind_pfc_flags = dcerpc.DCERPC_PFC_FLAG_FIRST | dcerpc.DCERPC_PFC_FLAG_LAST
if conc_mpx:
bind_pfc_flags |= dcerpc.DCERPC_PFC_FLAG_CONC_MPX
ack0 = self.do_generic_bind(call_id=0,
ctx=ctx,
pfc_flags=bind_pfc_flags)
ack1 = self.do_generic_bind(call_id=1,
ctx=ctx,
auth_context=auth_context1,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
if auth_context_2nd == 2:
ack2 = self.do_generic_bind(call_id=2,
ctx=ctx,
auth_context=auth_context2,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
ndr_print = self.do_ndr_print
hexdump = self.do_hexdump
inq_if_ids = samba.dcerpc.mgmt.inq_if_ids()
io = inq_if_ids
if ndr_print:
sys.stderr.write("in: %s" % samba.ndr.ndr_print_in(io))
stub_in = samba.ndr.ndr_pack_in(io)
stub_in += b'\xfe'*45 # add some padding in order to have some payload
if hexdump:
sys.stderr.write("stub_in: %d\n%s" % (len(stub_in), self.hexdump(stub_in)))
call_id = 3
context_id = ctx.context_id
opnum = io.opnum()
if not skip_first:
pfc_flags = samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_FIRST
stub_in_tmp = stub_in[0:16]
req = self.generate_request_auth(call_id=call_id,
context_id=context_id,
pfc_flags=pfc_flags,
opnum=opnum,
alloc_hint=len(stub_in),
stub=stub_in_tmp,
auth_context=auth_context1)
self.send_pdu(req, ndr_print=ndr_print, hexdump=hexdump)
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
# context_id, opnum and auth header values are completely ignored
if auth_context_2nd == 1:
auth_context_copy = auth_context1.copy()
elif auth_context_2nd == 2:
auth_context_copy = auth_context2.copy()
else:
auth_context_copy = None
expected_pfc_flags = dcerpc.DCERPC_PFC_FLAG_FIRST | dcerpc.DCERPC_PFC_FLAG_LAST
if expected_context_id is None:
expected_context_id = context_id
if expected_call_id is None:
expected_call_id = call_id
if not_executed:
expected_pfc_flags |= dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE
if forced_call_id is not None:
call_id = forced_call_id
if forced_context_id is not None:
context_id = forced_context_id
if forced_opnum is not None:
opnum = forced_opnum
if forced_auth_context_id is not None:
auth_context_copy["auth_context_id"] = forced_auth_context_id
if forced_auth_type is not None:
auth_context_copy["auth_type"] = forced_auth_type
if forced_auth_level is not None:
auth_context_copy["auth_level"] = forced_auth_level
pfc_flags = samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_FIRST
stub_in_tmp = stub_in[16:-1]
req = self.generate_request_auth(call_id=call_id,
context_id=context_id,
pfc_flags=pfc_flags_2nd,
opnum=opnum,
alloc_hint=len(stub_in_tmp),
stub=stub_in_tmp,
auth_context=auth_context_copy)
self.send_pdu(req, ndr_print=ndr_print, hexdump=hexdump)
if expected_fault is None:
self.do_single_request(call_id=3, ctx=ctx, io=io, send_req=False, auth_context=auth_context1)
return
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, expected_call_id,
pfc_flags=expected_pfc_flags,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, expected_context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, expected_fault)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
if not_executed:
# still alive
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
return
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def _test_generic_auth_first_last(self,
auth_type,
expected_fault,
auth_context_2nd=2,
expected_call_id=None,
expected_context_id=None,
conc_mpx=False,
not_executed=False,
forced_call_id=None,
forced_context_id=None,
forced_opnum=None,
forced_auth_context_id=None,
forced_auth_type=None,
forced_auth_level=None):
pfc_flags_2nd = samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_LAST
return self._test_generic_auth_first_2nd(auth_type,
pfc_flags_2nd,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def _test_generic_auth_first_first(self,
auth_type,
expected_fault,
auth_context_2nd=2,
expected_call_id=None,
expected_context_id=None,
conc_mpx=False,
not_executed=False,
forced_call_id=None,
forced_context_id=None,
forced_opnum=None,
forced_auth_context_id=None,
forced_auth_type=None,
forced_auth_level=None):
pfc_flags_2nd = samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_FIRST
return self._test_generic_auth_first_2nd(auth_type,
pfc_flags_2nd,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_firstSame2(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_FAULT_SEC_PKG_ERROR
auth_context_2nd = 2
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = None
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_firstNext2(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = 2
expected_call_id = 3
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = 4
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_firstSame111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = 1
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = None
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_firstSame111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = 1
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = True
forced_call_id = None
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_firstNext111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = 1
expected_call_id = 3
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = 4
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_firstNext111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = 1
expected_call_id = 4
expected_context_id = 0
not_executed = False
conc_mpx = True
forced_call_id = 4
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_firstSameNone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = None
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_firstSameNone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = True
forced_call_id = None
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_firstNextNone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = 4
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_firstNextNone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = 4
expected_context_id = 0
not_executed = False
conc_mpx = True
forced_call_id = 4
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_firstSameNone111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = None
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_firstSameNone111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = True
forced_call_id = None
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_first1_firstNextNone111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = None
expected_context_id = None
not_executed = False
conc_mpx = False
forced_call_id = 4
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_multi_auth_MPX_first1_firstNextNone111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
auth_context_2nd = None
expected_call_id = 4
expected_context_id = 0
not_executed = False
conc_mpx = True
forced_call_id = 4
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_first_first(auth_type,
expected_fault,
auth_context_2nd=auth_context_2nd,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def _test_generic_auth_middle(self,
auth_type,
expected_fault,
expected_context_id=None,
not_executed=False,
conc_mpx=False,
forced_context_id=None,
forced_opnum=None,
forced_auth_context_id=None,
forced_auth_type=None,
forced_auth_level=None):
auth_context_2nd = 1
skip_first = True
pfc_flags_2nd = 0
expected_call_id = None
forced_call_id = None
return self._test_generic_auth_first_2nd(auth_type,
pfc_flags_2nd,
expected_fault,
auth_context_2nd=auth_context_2nd,
skip_first=skip_first,
expected_call_id=expected_call_id,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_call_id=forced_call_id,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_middle_alone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
expected_context_id = 0
not_executed = False
conc_mpx = False
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_MPX_middle_alone(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
expected_context_id = None
not_executed = False
conc_mpx = True
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_middle_all_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
expected_context_id = 0
not_executed = False
conc_mpx = False
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_MPX_middle_all_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_UNKNOWN_IF
expected_context_id = 0
not_executed = True
conc_mpx = True
forced_context_id = 111
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_middle_auth_all_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
expected_context_id = 0
not_executed = False
conc_mpx = False
forced_context_id = None
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_MPX_middle_auth_all_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_FAULT_ACCESS_DENIED
expected_context_id = None
not_executed = False
conc_mpx = True
forced_context_id = None
forced_opnum = 111
forced_auth_context_id = 111
forced_auth_type = 111
forced_auth_level = 111
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_middle_auth_context_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
expected_context_id = 0
not_executed = False
conc_mpx = False
forced_context_id = None
forced_opnum = None
forced_auth_context_id = 111
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_MPX_middle_auth_context_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_FAULT_ACCESS_DENIED
expected_context_id = None
not_executed = False
conc_mpx = True
forced_context_id = None
forced_opnum = None
forced_auth_context_id = 111
forced_auth_type = None
forced_auth_level = None
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_middle_auth_type_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
expected_context_id = 0
not_executed = False
conc_mpx = False
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = 111
forced_auth_level = None
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_MPX_middle_auth_type_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_FAULT_ACCESS_DENIED
expected_context_id = None
not_executed = False
conc_mpx = True
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = 111
forced_auth_level = None
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_middle_auth_level_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
expected_context_id = 0
not_executed = False
conc_mpx = False
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = 111
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def test_ntlmssp_auth_MPX_middle_auth_level_111(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
expected_fault = dcerpc.DCERPC_FAULT_ACCESS_DENIED
expected_context_id = None
not_executed = False
conc_mpx = True
forced_context_id = None
forced_opnum = None
forced_auth_context_id = None
forced_auth_type = None
forced_auth_level = 111
return self._test_generic_auth_middle(auth_type,
expected_fault,
expected_context_id=expected_context_id,
not_executed=not_executed,
conc_mpx=conc_mpx,
forced_context_id=forced_context_id,
forced_opnum=forced_opnum,
forced_auth_context_id=forced_auth_context_id,
forced_auth_type=forced_auth_type,
forced_auth_level=forced_auth_level)
def _test_neg_xmit_check_values(self,
req_xmit=None,
req_recv=None,
rep_both=None,
alter_xmit=None,
alter_recv=None):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0,
max_xmit_frag=req_xmit,
max_recv_frag=req_recv,
ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, rep_both)
self.assertEqual(rep.u.max_recv_frag, rep_both)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
assoc_group_id = rep.u.assoc_group_id
if alter_xmit is None:
alter_xmit = rep_both - 8
if alter_recv is None:
alter_recv = rep_both - 8
# max_{xmit,recv}_frag and assoc_group_id are completely
# ignored in alter_context requests
req = self.generate_alter(call_id=1,
max_xmit_frag=alter_xmit,
max_recv_frag=alter_recv,
assoc_group_id=0xffffffff - rep.u.assoc_group_id,
ctx_list=[ctx1])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, rep_both)
self.assertEqual(rep.u.max_recv_frag, rep_both)
self.assertEqual(rep.u.assoc_group_id, rep.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
chunk_size = rep_both - dcerpc.DCERPC_REQUEST_LENGTH
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
alloc_hint=0xffffffff,
stub=b"\00" * chunk_size)
self.send_pdu(req, ndr_print=True, hexdump=True)
rep = self.recv_pdu(ndr_print=True, hexdump=True)
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
chunk_size = 5840 - dcerpc.DCERPC_REQUEST_LENGTH
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
alloc_hint=0xffffffff,
stub=b"\00" * chunk_size)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
chunk_size += 1
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
alloc_hint=0xffffffff,
stub=b"\00" * chunk_size)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_neg_xmit_ffff_ffff(self):
return self._test_neg_xmit_check_values(req_xmit=0xffff,
req_recv=0xffff,
rep_both=5840)
def test_neg_xmit_0_ffff(self):
return self._test_neg_xmit_check_values(req_xmit=0,
req_recv=0xffff,
rep_both=2048,
alter_xmit=0xffff,
alter_recv=0xffff)
def test_neg_xmit_ffff_0(self):
return self._test_neg_xmit_check_values(req_xmit=0xffff,
req_recv=0,
rep_both=2048)
def test_neg_xmit_0_0(self):
return self._test_neg_xmit_check_values(req_xmit=0,
req_recv=0,
rep_both=2048,
alter_xmit=0xffff,
alter_recv=0xffff)
def test_neg_xmit_3199_0(self):
return self._test_neg_xmit_check_values(req_xmit=3199,
req_recv=0,
rep_both=2048)
def test_neg_xmit_0_3199(self):
return self._test_neg_xmit_check_values(req_xmit=0,
req_recv=3199,
rep_both=2048)
def test_neg_xmit_3199_ffff(self):
return self._test_neg_xmit_check_values(req_xmit=3199,
req_recv=0xffff,
rep_both=3192)
def test_neg_xmit_ffff_3199(self):
return self._test_neg_xmit_check_values(req_xmit=0xffff,
req_recv=3199,
rep_both=3192)
def test_alloc_hint(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx = dcerpc.ctx_list()
ctx.context_id = 0
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx.transfer_syntaxes = tsf1_list
req = self.generate_bind(call_id=0,
ctx_list=[ctx])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertEqual(rep.u.auth_info, b'\0' * 0)
# And now try a request without auth_info
req = self.generate_request(call_id=2,
context_id=ctx.context_id,
opnum=0,
alloc_hint=0xffffffff,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
req = self.generate_request(call_id=3,
context_id=ctx.context_id,
opnum=1,
alloc_hint=0xffffffff,
stub=b"\04\00\00\00\00\00\00\00")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
req = self.generate_request(call_id=4,
context_id=ctx.context_id,
opnum=1,
alloc_hint=1,
stub=b"\04\00\00\00\00\00\00\00")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def _get_netlogon_ctx(self):
abstract = samba.dcerpc.netlogon.abstract_syntax()
ndr32 = base.transfer_syntax_ndr()
(ctx, ack) = self.prepare_presentation(abstract, ndr32, context_id=0,
epmap=True, return_ack=True)
server = '\\\\' + self.target_hostname
if isinstance(server, bytes):
server_utf16 = server.decode('utf-8').encode('utf-16-le')
else:
server_utf16 = server.encode('utf-16-le')
computer = 'UNKNOWNCOMPUTER'
if isinstance(server, bytes):
computer_utf16 = computer.decode('utf-8').encode('utf-16-le')
else:
computer_utf16 = computer.encode('utf-16-le')
real_stub = struct.pack('<IIII', 0x00200000,
len(server) + 1, 0, len(server) + 1)
real_stub += server_utf16 + b'\x00\x00'
mod_len = len(real_stub) % 4
if mod_len != 0:
real_stub += b'\x00' * (4 - mod_len)
real_stub += struct.pack('<III',
len(computer) + 1, 0, len(computer) + 1)
real_stub += computer_utf16 + b'\x00\x00'
real_stub += b'\x11\x22\x33\x44\x55\x66\x77\x88'
return (ctx, ack, real_stub)
def _test_fragmented_requests(self, remaining=None, alloc_hint=None,
fault_first=None, fault_last=None):
(ctx, rep, real_stub) = self._get_netlogon_ctx()
chunk = rep.u.max_recv_frag - dcerpc.DCERPC_REQUEST_LENGTH
total = 0
first = True
while remaining > 0:
thistime = min(remaining, chunk)
remaining -= thistime
total += thistime
pfc_flags = 0
if first:
pfc_flags |= dcerpc.DCERPC_PFC_FLAG_FIRST
first = False
stub = real_stub + b'\x00' * (thistime - len(real_stub))
else:
stub = b"\x00" * thistime
if remaining == 0:
pfc_flags |= dcerpc.DCERPC_PFC_FLAG_LAST
# And now try a request without auth_info
# netr_ServerReqChallenge()
req = self.generate_request(call_id=0x21234,
pfc_flags=pfc_flags,
context_id=ctx.context_id,
opnum=4,
alloc_hint=alloc_hint,
stub=stub)
if alloc_hint >= thistime:
alloc_hint -= thistime
else:
alloc_hint = 0
self.send_pdu(req, hexdump=False)
if fault_first is not None:
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, fault_first)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
if remaining == 0:
break
if total >= 0x400000 and fault_last is not None:
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, fault_last)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
if total >= 0x400000 and fault_last is not None:
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, fault_last)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
self.assertEqual(len(rep.u.stub_and_verifier), 12)
status = struct.unpack_from("<I", rep.u.stub_and_verifier, len(rep.u.stub_and_verifier) - 4)
self.assertEqual(status[0], 0)
def test_fragmented_requests01(self):
return self._test_fragmented_requests(remaining=0x400000,
alloc_hint=0x400000)
def test_fragmented_requests02(self):
return self._test_fragmented_requests(remaining=0x400000,
alloc_hint=0x100000)
def test_fragmented_requests03(self):
return self._test_fragmented_requests(remaining=0x400000,
alloc_hint=0)
def test_fragmented_requests04(self):
return self._test_fragmented_requests(remaining=0x400000,
alloc_hint=0x400001,
fault_first=dcerpc.DCERPC_FAULT_ACCESS_DENIED)
def test_fragmented_requests05(self):
return self._test_fragmented_requests(remaining=0x500001,
alloc_hint=0,
fault_last=dcerpc.DCERPC_FAULT_ACCESS_DENIED)
def _test_same_requests(self, pfc_flags, fault_1st=False, fault_2nd=False):
(ctx, rep, real_stub) = self._get_netlogon_ctx()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=2,
pfc_flags=pfc_flags,
context_id=ctx.context_id,
opnum=4,
stub=real_stub)
self.send_pdu(req)
if fault_1st:
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
# netr_ServerReqChallenge without DCERPC_PFC_FLAG_LAST
# with the same call_id
req = self.generate_request(call_id=2,
pfc_flags=pfc_flags,
context_id=ctx.context_id,
opnum=4,
stub=real_stub)
self.send_pdu(req)
if fault_2nd:
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
def test_first_only_requests(self):
return self._test_same_requests(pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
fault_2nd=True)
def test_none_only_requests(self):
return self._test_same_requests(pfc_flags=0, fault_1st=True)
def test_last_only_requests(self):
return self._test_same_requests(pfc_flags=dcerpc.DCERPC_PFC_FLAG_LAST,
fault_1st=True)
def test_first_maybe_requests(self):
return self._test_same_requests(pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_MAYBE,
fault_2nd=True)
def test_first_didnot_requests(self):
return self._test_same_requests(pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
fault_2nd=True)
def test_first_cmpx_requests(self):
return self._test_same_requests(pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_CONC_MPX,
fault_2nd=True)
def test_first_08_requests(self):
return self._test_same_requests(pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
0x08,
fault_2nd=True)
def test_first_cancel_requests(self):
(ctx, rep, real_stub) = self._get_netlogon_ctx()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=2,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_PENDING_CANCEL,
context_id=ctx.context_id,
opnum=4,
stub=real_stub)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_NO_CALL_ACTIVE)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_2nd_cancel_requests(self):
(ctx, rep, real_stub) = self._get_netlogon_ctx()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=2,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=4,
stub=real_stub)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=2,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_PENDING_CANCEL,
context_id=ctx.context_id,
opnum=4,
stub=real_stub)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=2,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_LAST,
context_id=ctx.context_id,
opnum=4,
stub=real_stub)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
self.assertEqual(len(rep.u.stub_and_verifier), 12)
status = struct.unpack_from("<I", rep.u.stub_and_verifier, len(rep.u.stub_and_verifier) - 4)
self.assertEqual(status[0], 0)
def test_last_cancel_requests(self):
(ctx, rep, real_stub) = self._get_netlogon_ctx()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=2,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=4,
stub=real_stub[:4])
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=2,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_PENDING_CANCEL,
context_id=ctx.context_id,
opnum=4,
stub=real_stub[4:])
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
self.assertEqual(len(rep.u.stub_and_verifier), 12)
status = struct.unpack_from("<I", rep.u.stub_and_verifier, len(rep.u.stub_and_verifier) - 4)
self.assertEqual(status[0], 0)
def test_mix_requests(self):
(ctx, rep, real_stub) = self._get_netlogon_ctx()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=50,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=4,
stub=real_stub)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
# netr_ServerReqChallenge with given flags
req = self.generate_request(call_id=51,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=4,
stub=real_stub)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, 50,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
def test_co_cancel_no_request(self):
ndr32 = base.transfer_syntax_ndr()
abstract = samba.dcerpc.mgmt.abstract_syntax()
ctx = self.prepare_presentation(abstract, ndr32, context_id=0xff)
req = self.generate_co_cancel(call_id=3)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
# And now try a request
req = self.generate_request(call_id=1,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def test_co_cancel_request_after_first(self):
ndr32 = base.transfer_syntax_ndr()
abstract = samba.dcerpc.mgmt.abstract_syntax()
ctx = self.prepare_presentation(abstract, ndr32, context_id=0xff)
req = self.generate_request(call_id=1,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
req = self.generate_co_cancel(call_id=1)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
req = self.generate_request(call_id=1,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_LAST,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# And now try a request
req = self.generate_request(call_id=2,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def test_orphaned_no_request(self):
ndr32 = base.transfer_syntax_ndr()
abstract = samba.dcerpc.mgmt.abstract_syntax()
ctx = self.prepare_presentation(abstract, ndr32)
req = self.generate_orphaned(call_id=3)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
# And now try a request
req = self.generate_request(call_id=1,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def test_orphaned_request_after_first_last(self):
ndr32 = base.transfer_syntax_ndr()
abstract = samba.dcerpc.mgmt.abstract_syntax()
ctx = self.prepare_presentation(abstract, ndr32)
req = self.generate_request(call_id=1,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
req = self.generate_orphaned(call_id=1)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
req = self.generate_request(call_id=1,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_LAST,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# And now try a request
req = self.generate_request(call_id=2,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def test_orphaned_request_after_first_mpx_last(self):
ndr32 = base.transfer_syntax_ndr()
abstract = samba.dcerpc.mgmt.abstract_syntax()
pfc_flags = samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_FIRST
pfc_flags |= samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_LAST
pfc_flags |= samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_CONC_MPX
ctx = self.prepare_presentation(abstract, ndr32, pfc_flags=pfc_flags)
req = self.generate_request(call_id=1,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
req = self.generate_orphaned(call_id=1)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
req = self.generate_request(call_id=1,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_LAST,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# And now try a request
req = self.generate_request(call_id=2,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
def test_orphaned_request_after_first_no_last(self):
ndr32 = base.transfer_syntax_ndr()
abstract = samba.dcerpc.mgmt.abstract_syntax()
ctx = self.prepare_presentation(abstract, ndr32)
req1 = self.generate_request(call_id=1,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req1)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
req = self.generate_orphaned(call_id=1)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
# And now try a new request
req2 = self.generate_request(call_id=2,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req2)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req1.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req1.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_orphaned_request_after_first_mpx_no_last(self):
ndr32 = base.transfer_syntax_ndr()
abstract = samba.dcerpc.mgmt.abstract_syntax()
pfc_flags = samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_FIRST
pfc_flags |= samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_LAST
pfc_flags |= samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_CONC_MPX
ctx = self.prepare_presentation(abstract, ndr32,
pfc_flags=pfc_flags)
req1 = self.generate_request(call_id=1,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST,
context_id=ctx.context_id,
opnum=0,
stub=b"")
self.send_pdu(req1)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
req = self.generate_orphaned(call_id=1)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.1)
self.assertIsNone(rep)
self.assertIsConnected()
# And now try a new request
req2 = self.generate_request(call_id=2,
context_id=ctx.context_id - 1,
opnum=0,
stub=b"")
self.send_pdu(req2)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req2.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def _test_spnego_connect_upgrade_request(self, upgrade_auth_level):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=ctx_list,
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertTrue(finished)
# And now try a request without auth_info
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# Now a request with auth_info DCERPC_AUTH_LEVEL_CONNECT
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=b"\x01" +b"\x00" *15)
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We don't get an auth_info back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# Now a request with auth_info upgrade_auth_level
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=upgrade_auth_level,
auth_context_id=auth_context_id,
auth_blob=b"\x01" + b"\x00" * 15)
req = self.generate_request(call_id=4,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_ACCESS_DENIED)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_connect_packet_upgrade(self):
return self._test_spnego_connect_upgrade_request(
dcerpc.DCERPC_AUTH_LEVEL_PACKET)
def test_spnego_connect_integrity_upgrade(self):
return self._test_spnego_connect_upgrade_request(
dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY)
def _test_spnego_connect_downgrade_request(self, initial_auth_level):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = initial_auth_level
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=ctx_list,
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertTrue(finished)
# Now a request with auth_info DCERPC_AUTH_LEVEL_CONNECT
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=dcerpc.DCERPC_AUTH_LEVEL_CONNECT,
auth_context_id=auth_context_id,
auth_blob=b"\x01" + b"\x00" * 15)
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_ACCESS_DENIED)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_packet_downgrade_connect(self):
return self._test_spnego_connect_downgrade_request(
dcerpc.DCERPC_AUTH_LEVEL_PACKET)
def test_spnego_integrity_downgrade_connect(self):
return self._test_spnego_connect_upgrade_request(
dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY)
def test_spnego_unfinished_request(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
assoc_group_id = rep.u.assoc_group_id
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
# Now a request with auth_info DCERPC_AUTH_LEVEL_CONNECT
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=b"\x01" + b"\x00" * 15)
req = self.generate_request(call_id=1,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_auth3(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_auth3(call_id=0,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
# And now try a request without auth_info
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_ACCESS_DENIED)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_connect_reauth_alter(self):
ndr32 = base.transfer_syntax_ndr()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=[ctx1],
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertTrue(finished)
# And now try a request without auth_info
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# Now a request with auth_info DCERPC_AUTH_LEVEL_CONNECT
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=b"\x01" + b"\x00" * 15)
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We don't get an auth_info back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# Now a reauth
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_ACCESS_DENIED)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_connect_reauth_auth3(self):
ndr32 = base.transfer_syntax_ndr()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=[ctx1],
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertTrue(finished)
# And now try a request without auth_info
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# Now a request with auth_info DCERPC_AUTH_LEVEL_CONNECT
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=b"\x01" + b"\x00" * 15)
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We don't get an auth_info back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# Now a reauth
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_auth3(call_id=0,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We get a fault
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_change_auth_level(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=[ctx1],
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=[ctx1],
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_ACCESS_DENIED)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_change_abstract(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx1b = dcerpc.ctx_list()
ctx1b.context_id = 1
ctx1b.num_transfer_syntaxes = len(tsf1_list)
ctx1b.abstract_syntax = samba.dcerpc.epmapper.abstract_syntax()
ctx1b.transfer_syntaxes = tsf1_list
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=[ctx1],
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=[ctx1b],
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_change_transfer(self):
ndr32 = base.transfer_syntax_ndr()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
tsf1b_list = [ndr32, ndr64]
ctx1b = dcerpc.ctx_list()
ctx1b.context_id = 1
ctx1b.num_transfer_syntaxes = len(tsf1b_list)
ctx1b.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1b.transfer_syntaxes = tsf1b_list
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=[ctx1],
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
# We change ctx_list and auth_level
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=[ctx1b],
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_change_auth_type1(self):
ndr32 = base.transfer_syntax_ndr()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=[ctx1],
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
# We change ctx_list and auth_level
auth_info = self.generate_auth(auth_type=dcerpc.DCERPC_AUTH_TYPE_KRB5,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=[ctx1],
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_SEC_PKG_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_change_auth_type2(self):
ndr32 = base.transfer_syntax_ndr()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
tsf1b_list = [ndr32, ndr64]
ctx1b = dcerpc.ctx_list()
ctx1b.context_id = 1
ctx1b.num_transfer_syntaxes = len(tsf1b_list)
ctx1b.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1b.transfer_syntaxes = tsf1b_list
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=[ctx1],
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
# We change ctx_list and auth_level
auth_info = self.generate_auth(auth_type=dcerpc.DCERPC_AUTH_TYPE_KRB5,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=[ctx1b],
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_change_auth_type3(self):
ndr32 = base.transfer_syntax_ndr()
ndr64 = base.transfer_syntax_ndr64()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
tsf1b_list = [ndr32, ndr64]
ctx1b = dcerpc.ctx_list()
ctx1b.context_id = 1
ctx1b.num_transfer_syntaxes = len(tsf1b_list)
ctx1b.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1b.transfer_syntaxes = tsf1b_list
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=[ctx1],
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
# We change ctx_list and auth_level
auth_info = self.generate_auth(auth_type=dcerpc.DCERPC_AUTH_TYPE_NONE,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=[ctx1b],
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_FAULT_ACCESS_DENIED)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_auth_pad_ok(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
req_pdu = samba.ndr.ndr_pack(req)
auth_pad_ok = len(req_pdu)
auth_pad_ok -= dcerpc.DCERPC_REQUEST_LENGTH
auth_pad_ok -= dcerpc.DCERPC_AUTH_TRAILER_LENGTH
auth_pad_ok -= len(to_server)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_ok,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=ctx_list,
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
req_pdu = samba.ndr.ndr_pack(req)
auth_pad_ok = len(req_pdu)
auth_pad_ok -= dcerpc.DCERPC_REQUEST_LENGTH
auth_pad_ok -= dcerpc.DCERPC_AUTH_TRAILER_LENGTH
auth_pad_ok -= len(to_server)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_ok,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=ctx_list,
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_ALTER_RESP, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 0)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertTrue(finished)
# And now try a request without auth_info
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# Now a request with auth_info DCERPC_AUTH_LEVEL_CONNECT
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=b"\x01" + b"\x00" * 15)
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We don't get an auth_info back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
self._disconnect("disconnect")
self.assertNotConnected()
def test_spnego_auth_pad_fail_bind(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
req_pdu = samba.ndr.ndr_pack(req)
auth_pad_ok = len(req_pdu)
auth_pad_ok -= dcerpc.DCERPC_REQUEST_LENGTH
auth_pad_ok -= dcerpc.DCERPC_AUTH_TRAILER_LENGTH
auth_pad_ok -= len(to_server)
auth_pad_bad = auth_pad_ok + 1
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_bad,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_NAK, req.call_id,
auth_length=0)
self.assertEqual(rep.u.reject_reason,
dcerpc.DCERPC_BIND_NAK_REASON_PROTOCOL_VERSION_NOT_SUPPORTED)
self.assertEqual(rep.u.num_versions, 1)
self.assertEqual(rep.u.versions[0].rpc_vers, req.rpc_vers)
self.assertEqual(rep.u.versions[0].rpc_vers_minor, req.rpc_vers_minor)
self.assertEqual(len(rep.u._pad), 3)
self.assertEqual(rep.u._pad, b'\0' * 3)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_auth_pad_fail_alter(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
req_pdu = samba.ndr.ndr_pack(req)
auth_pad_ok = len(req_pdu)
auth_pad_ok -= dcerpc.DCERPC_REQUEST_LENGTH
auth_pad_ok -= dcerpc.DCERPC_AUTH_TRAILER_LENGTH
auth_pad_ok -= len(to_server)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_ok,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=ctx_list,
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
req_pdu = samba.ndr.ndr_pack(req)
auth_pad_ok = len(req_pdu)
auth_pad_ok -= dcerpc.DCERPC_REQUEST_LENGTH
auth_pad_ok -= dcerpc.DCERPC_AUTH_TRAILER_LENGTH
auth_pad_ok -= len(to_server)
auth_pad_bad = auth_pad_ok + 1
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_bad,
auth_blob=to_server)
req = self.generate_alter(call_id=0,
ctx_list=ctx_list,
assoc_group_id=rep.u.assoc_group_id,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_PROTO_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_ntlmssp_auth_pad_ok(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
req_pdu = samba.ndr.ndr_pack(req)
auth_pad_ok = len(req_pdu)
auth_pad_ok -= dcerpc.DCERPC_REQUEST_LENGTH
auth_pad_ok -= dcerpc.DCERPC_AUTH_TRAILER_LENGTH
auth_pad_ok -= len(to_server)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_ok,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertTrue(finished)
auth_pad_ok = 0
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_ok,
auth_blob=to_server)
req = self.generate_auth3(call_id=0,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu(timeout=0.01)
self.assertIsNone(rep)
self.assertIsConnected()
# And now try a request without auth_info
req = self.generate_request(call_id=2,
context_id=ctx1.context_id,
opnum=0,
stub=b"")
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
# Now a request with auth_info DCERPC_AUTH_LEVEL_CONNECT
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=b"\x01" + b"\x00" * 15)
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=b"",
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
# We don't get an auth_info back
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
self._disconnect("disconnect")
self.assertNotConnected()
def test_ntlmssp_auth_pad_fail_auth3(self):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
c = self.get_anon_creds()
g = gensec.Security.start_client(self.settings)
g.set_credentials(c)
g.want_feature(gensec.FEATURE_DCE_STYLE)
auth_type = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id = 2
g.start_mech_by_authtype(auth_type, auth_level)
from_server = b""
(finished, to_server) = g.update(from_server)
self.assertFalse(finished)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
req_pdu = samba.ndr.ndr_pack(req)
auth_pad_ok = len(req_pdu)
auth_pad_ok -= dcerpc.DCERPC_REQUEST_LENGTH
auth_pad_ok -= dcerpc.DCERPC_AUTH_TRAILER_LENGTH
auth_pad_ok -= len(to_server)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_ok,
auth_blob=to_server)
req = self.generate_bind(call_id=0,
ctx_list=ctx_list,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_BIND_ACK, req.call_id)
self.assertEqual(rep.u.max_xmit_frag, req.u.max_xmit_frag)
self.assertEqual(rep.u.max_recv_frag, req.u.max_recv_frag)
self.assertNotEqual(rep.u.assoc_group_id, req.u.assoc_group_id)
self.assertEqual(rep.u.secondary_address_size, 4)
self.assertEqual(rep.u.secondary_address, "%d" % self.tcp_port)
self.assertPadding(rep.u._pad1, 2)
self.assertEqual(rep.u.num_results, 1)
self.assertEqual(rep.u.ctx_list[0].result,
dcerpc.DCERPC_BIND_ACK_RESULT_ACCEPTANCE)
self.assertEqual(rep.u.ctx_list[0].reason,
dcerpc.DCERPC_BIND_ACK_REASON_NOT_SPECIFIED)
self.assertNDRSyntaxEquals(rep.u.ctx_list[0].syntax, ndr32)
self.assertNotEqual(len(rep.u.auth_info), 0)
a = self.parse_auth(rep.u.auth_info)
from_server = a.credentials
(finished, to_server) = g.update(from_server)
self.assertTrue(finished)
auth_pad_bad = 1
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
auth_pad_length=auth_pad_bad,
auth_blob=to_server)
req = self.generate_auth3(call_id=0,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, 0)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_FAULT_REMOTE_NO_MEMORY)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def _test_auth_bind_auth_level(self, auth_type, auth_level, auth_context_id, ctx,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
hdr_signing=False,
alter_fault=None):
creds = self.get_user_creds()
auth_context = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
g_auth_level=g_auth_level,
hdr_signing=hdr_signing)
if auth_context is None:
return None
ack = self.do_generic_bind(ctx=ctx,
auth_context=auth_context,
alter_fault=alter_fault)
if ack is None:
return None
return auth_context
def _test_spnego_level_bind_nak(self, auth_level,
reason=dcerpc.DCERPC_BIND_NAK_REASON_INVALID_CHECKSUM):
c = self.get_user_creds()
return self._test_auth_type_level_bind_nak(auth_type=dcerpc.DCERPC_AUTH_TYPE_SPNEGO,
auth_level=auth_level, creds=c, reason=reason)
def _test_spnego_level_bind(self, auth_level,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
alter_fault=None,
request_fault=None,
response_fault_flags=0):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 0x1001
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_context_id = 2
auth_context = self._test_auth_bind_auth_level(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
ctx=ctx1,
g_auth_level=g_auth_level,
alter_fault=alter_fault)
if request_fault is None:
return
self.assertIsNotNone(auth_context)
g = auth_context["gensec"]
self.assertIsNotNone(g)
stub_bin = b'\x00' * 17
mod_len = len(stub_bin) % dcerpc.DCERPC_AUTH_PAD_ALIGNMENT
auth_pad_length = 0
if mod_len > 0:
auth_pad_length = dcerpc.DCERPC_AUTH_PAD_ALIGNMENT - mod_len
stub_bin += b'\x00' * auth_pad_length
if g_auth_level >= dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY:
sig_size = g.sig_size(len(stub_bin))
else:
sig_size = 16
zero_sig = b"\x00" * sig_size
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=zero_sig)
req = self.generate_request(call_id=4,
context_id=ctx1.context_id,
opnum=0xffff,
stub=stub_bin,
auth_info=auth_info)
if g_auth_level >= dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY:
req_blob = samba.ndr.ndr_pack(req)
ofs_stub = dcerpc.DCERPC_REQUEST_LENGTH
ofs_sig = len(req_blob) - req.auth_length
ofs_trailer = ofs_sig - dcerpc.DCERPC_AUTH_TRAILER_LENGTH
req_data = req_blob[ofs_stub:ofs_trailer]
req_whole = req_blob[0:ofs_sig]
sig = g.sign_packet(req_data, req_whole)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=sig)
req = self.generate_request(call_id=4,
context_id=ctx1.context_id,
opnum=0xffff,
stub=stub_bin,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags | response_fault_flags,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, ctx1.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, request_fault)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
if response_fault_flags & dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE:
return
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_spnego_none_bind(self):
return self._test_spnego_level_bind_nak(dcerpc.DCERPC_AUTH_LEVEL_NONE,
reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
def test_spnego_call_bind(self):
return self._test_spnego_level_bind_nak(dcerpc.DCERPC_AUTH_LEVEL_CALL,
reason=dcerpc.DCERPC_BIND_NAK_REASON_INVALID_CHECKSUM)
def test_spnego_0_bind(self):
return self._test_spnego_level_bind_nak(0,
reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
def test_spnego_7_bind(self):
return self._test_spnego_level_bind_nak(7,
reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
def test_spnego_255_bind(self):
return self._test_spnego_level_bind_nak(255,
reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
def test_spnego_connect_bind_none(self):
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_CONNECT,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_CONNECT)
def test_spnego_connect_bind_sign(self):
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_CONNECT,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY)
def test_spnego_connect_bind_seal(self):
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_CONNECT,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY)
def test_spnego_packet_bind_none(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_PACKET,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_CONNECT,
request_fault=dcerpc.DCERPC_FAULT_SEC_PKG_ERROR)
def test_spnego_packet_bind_sign(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_PACKET,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
request_fault=dcerpc.DCERPC_NCA_S_OP_RNG_ERROR,
response_fault_flags=dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE)
def test_spnego_packet_bind_seal(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_PACKET,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY,
request_fault=dcerpc.DCERPC_NCA_S_OP_RNG_ERROR,
response_fault_flags=dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE)
def test_spnego_integrity_bind_none(self):
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_CONNECT,
request_fault=dcerpc.DCERPC_FAULT_SEC_PKG_ERROR)
def test_spnego_integrity_bind_sign(self):
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
request_fault=dcerpc.DCERPC_NCA_S_OP_RNG_ERROR,
response_fault_flags=dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE)
def test_spnego_integrity_bind_seal(self):
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY,
request_fault=dcerpc.DCERPC_NCA_S_OP_RNG_ERROR,
response_fault_flags=dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE)
def test_spnego_privacy_bind_none(self):
# This fails...
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_CONNECT,
alter_fault=dcerpc.DCERPC_FAULT_SEC_PKG_ERROR)
def test_spnego_privacy_bind_sign(self):
# This fails...
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
alter_fault=dcerpc.DCERPC_FAULT_SEC_PKG_ERROR)
def test_spnego_privacy_bind_seal(self):
return self._test_spnego_level_bind(auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY,
g_auth_level=dcerpc.DCERPC_AUTH_LEVEL_PRIVACY)
def _test_auth_signing_auth_level_request(self, auth_type, auth_level, hdr_sign=False):
ndr32 = base.transfer_syntax_ndr()
tsf1_list = [ndr32]
ctx1 = dcerpc.ctx_list()
ctx1.context_id = 0x1001
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = samba.dcerpc.mgmt.abstract_syntax()
ctx1.transfer_syntaxes = tsf1_list
ctx_list = [ctx1]
auth_context_id = 2
auth_context = self._test_auth_bind_auth_level(auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
hdr_signing=hdr_sign,
ctx=ctx1)
self.assertIsNotNone(auth_context)
g = auth_context["gensec"]
self.assertIsNotNone(g)
stub_bin = b'\x00' * 0
mod_len = len(stub_bin) % dcerpc.DCERPC_AUTH_PAD_ALIGNMENT
auth_pad_length = 0
if mod_len > 0:
auth_pad_length = dcerpc.DCERPC_AUTH_PAD_ALIGNMENT - mod_len
stub_bin += b'\x00' * auth_pad_length
sig_size = g.sig_size(len(stub_bin))
zero_sig = b"\x00" * sig_size
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=zero_sig)
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=stub_bin,
auth_info=auth_info)
req_blob = samba.ndr.ndr_pack(req)
ofs_stub = dcerpc.DCERPC_REQUEST_LENGTH
ofs_sig = len(req_blob) - req.auth_length
ofs_trailer = ofs_sig - dcerpc.DCERPC_AUTH_TRAILER_LENGTH
req_data = req_blob[ofs_stub:ofs_trailer]
req_whole = req_blob[0:ofs_sig]
sig = g.sign_packet(req_data, req_whole)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=sig)
req = self.generate_request(call_id=3,
context_id=ctx1.context_id,
opnum=0,
stub=stub_bin,
auth_info=auth_info)
self.send_pdu(req)
(rep, rep_blob) = self.recv_pdu_raw()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=sig_size)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
self.assertEqual(rep.auth_length, sig_size)
ofs_stub = dcerpc.DCERPC_REQUEST_LENGTH
ofs_sig = rep.frag_length - rep.auth_length
ofs_trailer = ofs_sig - dcerpc.DCERPC_AUTH_TRAILER_LENGTH
rep_data = rep_blob[ofs_stub:ofs_trailer]
rep_whole = rep_blob[0:ofs_sig]
rep_sig = rep_blob[ofs_sig:]
rep_auth_info_blob = rep_blob[ofs_trailer:]
rep_auth_info = self.parse_auth(rep_auth_info_blob)
self.assertEqual(rep_auth_info.auth_type, auth_type)
self.assertEqual(rep_auth_info.auth_level, auth_level)
# mgmt_inq_if_ids() returns no fixed size results
#self.assertEqual(rep_auth_info.auth_pad_length, 0)
self.assertEqual(rep_auth_info.auth_reserved, 0)
self.assertEqual(rep_auth_info.auth_context_id, auth_context_id)
self.assertEqual(rep_auth_info.credentials, rep_sig)
g.check_packet(rep_data, rep_whole, rep_sig)
stub_bin = b'\x00' * 17
mod_len = len(stub_bin) % dcerpc.DCERPC_AUTH_PAD_ALIGNMENT
auth_pad_length = 0
if mod_len > 0:
auth_pad_length = dcerpc.DCERPC_AUTH_PAD_ALIGNMENT - mod_len
stub_bin += b'\x00' * auth_pad_length
sig_size = g.sig_size(len(stub_bin))
zero_sig = b"\x00" * sig_size
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=zero_sig)
req = self.generate_request(call_id=4,
context_id=ctx1.context_id,
opnum=0xffff,
stub=stub_bin,
auth_info=auth_info)
req_blob = samba.ndr.ndr_pack(req)
ofs_stub = dcerpc.DCERPC_REQUEST_LENGTH
ofs_sig = len(req_blob) - req.auth_length
ofs_trailer = ofs_sig - dcerpc.DCERPC_AUTH_TRAILER_LENGTH
req_data = req_blob[ofs_stub:ofs_trailer]
req_whole = req_blob[0:ofs_sig]
sig = g.sign_packet(req_data, req_whole)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=sig)
req = self.generate_request(call_id=4,
context_id=ctx1.context_id,
opnum=0xffff,
stub=stub_bin,
auth_info=auth_info)
self.send_pdu(req)
rep = self.recv_pdu()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_FAULT, req.call_id,
pfc_flags=req.pfc_flags |
dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
auth_length=0)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, ctx1.context_id)
self.assertEqual(rep.u.cancel_count, 0)
self.assertEqual(rep.u.flags, 0)
self.assertEqual(rep.u.status, dcerpc.DCERPC_NCA_S_OP_RNG_ERROR)
self.assertEqual(rep.u.reserved, 0)
self.assertEqual(len(rep.u.error_and_verifier), 0)
stub_bin = b'\x00' * 8
mod_len = len(stub_bin) % dcerpc.DCERPC_AUTH_PAD_ALIGNMENT
auth_pad_length = 0
if mod_len > 0:
auth_pad_length = dcerpc.DCERPC_AUTH_PAD_ALIGNMENT - mod_len
stub_bin += b'\x00' * auth_pad_length
sig_size = g.sig_size(len(stub_bin))
zero_sig = b"\x00" * sig_size
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=zero_sig)
req = self.generate_request(call_id=5,
context_id=ctx1.context_id,
opnum=1,
stub=stub_bin,
auth_info=auth_info)
req_blob = samba.ndr.ndr_pack(req)
ofs_stub = dcerpc.DCERPC_REQUEST_LENGTH
ofs_sig = len(req_blob) - req.auth_length
ofs_trailer = ofs_sig - dcerpc.DCERPC_AUTH_TRAILER_LENGTH
req_data = req_blob[ofs_stub:ofs_trailer]
req_whole = req_blob[0:ofs_sig]
sig = g.sign_packet(req_data, req_whole)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=sig)
req = self.generate_request(call_id=5,
context_id=ctx1.context_id,
opnum=1,
stub=stub_bin,
auth_info=auth_info)
self.send_pdu(req)
(rep, rep_blob) = self.recv_pdu_raw()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=sig_size)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
self.assertEqual(rep.auth_length, sig_size)
ofs_stub = dcerpc.DCERPC_REQUEST_LENGTH
ofs_sig = rep.frag_length - rep.auth_length
ofs_trailer = ofs_sig - dcerpc.DCERPC_AUTH_TRAILER_LENGTH
rep_data = rep_blob[ofs_stub:ofs_trailer]
rep_whole = rep_blob[0:ofs_sig]
rep_sig = rep_blob[ofs_sig:]
rep_auth_info_blob = rep_blob[ofs_trailer:]
rep_auth_info = self.parse_auth(rep_auth_info_blob)
self.assertEqual(rep_auth_info.auth_type, auth_type)
self.assertEqual(rep_auth_info.auth_level, auth_level)
self.assertEqual(rep_auth_info.auth_pad_length, 4)
self.assertEqual(rep_auth_info.auth_reserved, 0)
self.assertEqual(rep_auth_info.auth_context_id, auth_context_id)
self.assertEqual(rep_auth_info.credentials, rep_sig)
g.check_packet(rep_data, rep_whole, rep_sig)
stub_bin = b'\x00' * 8
mod_len = len(stub_bin) % dcerpc.DCERPC_AUTH_PAD_ALIGNMENT
auth_pad_length = 0
if mod_len > 0:
auth_pad_length = dcerpc.DCERPC_AUTH_PAD_ALIGNMENT - mod_len
stub_bin += b'\x00' * auth_pad_length
sig_size = g.sig_size(len(stub_bin))
zero_sig = b"\x00" * sig_size
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=zero_sig)
req = self.generate_request(call_id=6,
context_id=ctx1.context_id,
opnum=3,
stub=stub_bin,
auth_info=auth_info)
req_blob = samba.ndr.ndr_pack(req)
ofs_stub = dcerpc.DCERPC_REQUEST_LENGTH
ofs_sig = len(req_blob) - req.auth_length
ofs_trailer = ofs_sig - dcerpc.DCERPC_AUTH_TRAILER_LENGTH
req_data = req_blob[ofs_stub:ofs_trailer]
req_whole = req_blob[0:ofs_sig]
sig = g.sign_packet(req_data, req_whole)
auth_info = self.generate_auth(auth_type=auth_type,
auth_level=auth_level,
auth_pad_length=auth_pad_length,
auth_context_id=auth_context_id,
auth_blob=sig)
req = self.generate_request(call_id=6,
context_id=ctx1.context_id,
opnum=3,
stub=stub_bin,
auth_info=auth_info)
self.send_pdu(req)
(rep, rep_blob) = self.recv_pdu_raw()
self.verify_pdu(rep, dcerpc.DCERPC_PKT_RESPONSE, req.call_id,
auth_length=sig_size)
self.assertNotEqual(rep.u.alloc_hint, 0)
self.assertEqual(rep.u.context_id, req.u.context_id & 0xff)
self.assertEqual(rep.u.cancel_count, 0)
self.assertGreaterEqual(len(rep.u.stub_and_verifier), rep.u.alloc_hint)
self.assertEqual(rep.auth_length, sig_size)
ofs_stub = dcerpc.DCERPC_REQUEST_LENGTH
ofs_sig = rep.frag_length - rep.auth_length
ofs_trailer = ofs_sig - dcerpc.DCERPC_AUTH_TRAILER_LENGTH
rep_data = rep_blob[ofs_stub:ofs_trailer]
rep_whole = rep_blob[0:ofs_sig]
rep_sig = rep_blob[ofs_sig:]
rep_auth_info_blob = rep_blob[ofs_trailer:]
rep_auth_info = self.parse_auth(rep_auth_info_blob)
self.assertEqual(rep_auth_info.auth_type, auth_type)
self.assertEqual(rep_auth_info.auth_level, auth_level)
self.assertEqual(rep_auth_info.auth_pad_length, 12)
self.assertEqual(rep_auth_info.auth_reserved, 0)
self.assertEqual(rep_auth_info.auth_context_id, auth_context_id)
self.assertEqual(rep_auth_info.credentials, rep_sig)
g.check_packet(rep_data, rep_whole, rep_sig)
def test_spnego_signing_packet(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_SPNEGO,
dcerpc.DCERPC_AUTH_LEVEL_PACKET)
def test_spnego_hdr_signing_packet(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_SPNEGO,
dcerpc.DCERPC_AUTH_LEVEL_PACKET,
hdr_sign=True)
def test_spnego_signing_integrity(self):
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_SPNEGO,
dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY)
def test_spnego_hdr_signing_integrity(self):
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_SPNEGO,
dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
hdr_sign=True)
def test_ntlm_signing_packet(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_NTLMSSP,
dcerpc.DCERPC_AUTH_LEVEL_PACKET)
def test_ntlm_hdr_signing_packet(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_NTLMSSP,
dcerpc.DCERPC_AUTH_LEVEL_PACKET,
hdr_sign=True)
def test_ntlm_signing_integrity(self):
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_NTLMSSP,
dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY)
def test_ntlm_hdr_signing_integrity(self):
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_NTLMSSP,
dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
hdr_sign=True)
def test_krb5_signing_packet(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_KRB5,
dcerpc.DCERPC_AUTH_LEVEL_PACKET)
def test_krb5_hdr_signing_packet(self):
# DCERPC_AUTH_LEVEL_PACKET is handled as alias of
# DCERPC_AUTH_LEVEL_INTEGRITY
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_KRB5,
dcerpc.DCERPC_AUTH_LEVEL_PACKET,
hdr_sign=True)
def test_krb5_signing_integrity(self):
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_KRB5,
dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY)
def test_krb5_hdr_signing_integrity(self):
return self._test_auth_signing_auth_level_request(dcerpc.DCERPC_AUTH_TYPE_KRB5,
dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY,
hdr_sign=True)
def test_assoc_group_fail1(self):
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
tsf1_list = [transfer]
ctx = samba.dcerpc.dcerpc.ctx_list()
ctx.context_id = 1
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = abstract
ctx.transfer_syntaxes = tsf1_list
ack = self.do_generic_bind(ctx=ctx, assoc_group_id=1,
nak_reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
return
def test_assoc_group_fail2(self):
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
tsf1_list = [transfer]
ctx = samba.dcerpc.dcerpc.ctx_list()
ctx.context_id = 1
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = abstract
ctx.transfer_syntaxes = tsf1_list
ack = self.do_generic_bind(ctx=ctx)
self._disconnect("test_assoc_group_fail2")
self.assertNotConnected()
time.sleep(0.5)
self.connect()
ack2 = self.do_generic_bind(ctx=ctx, assoc_group_id=ack.u.assoc_group_id,
nak_reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
return
def test_assoc_group_diff1(self):
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
(ctx1, ack1) = self.prepare_presentation(abstract, transfer,
context_id=1, return_ack=True)
conn2 = self.second_connection()
(ctx2, ack2) = conn2.prepare_presentation(abstract, transfer,
context_id=2, return_ack=True)
self.assertNotEqual(ack2.u.assoc_group_id, ack1.u.assoc_group_id)
conn2._disconnect("End of Test")
return
def test_assoc_group_ok1(self):
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
(ctx1, ack1) = self.prepare_presentation(abstract, transfer,
context_id=1, return_ack=True)
conn2 = self.second_connection()
(ctx2, ack2) = conn2.prepare_presentation(abstract, transfer,
assoc_group_id=ack1.u.assoc_group_id,
context_id=2, return_ack=True)
inq_if_ids = samba.dcerpc.mgmt.inq_if_ids()
self.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx2, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids,
fault_pfc_flags=(
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_FIRST |
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_LAST |
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE),
fault_status=dcerpc.DCERPC_NCA_S_UNKNOWN_IF,
fault_context_id=0)
self.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx2, io=inq_if_ids)
conn2._disconnect("End of Test")
return
def test_assoc_group_ok2(self):
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
self.reconnect_smb_pipe(primary_address='\\pipe\\lsarpc',
secondary_address='\\pipe\\lsass',
transport_creds=self.get_user_creds())
(ctx1, ack1) = self.prepare_presentation(abstract, transfer,
context_id=1, return_ack=True)
conn2 = self.second_connection()
(ctx2, ack2) = conn2.prepare_presentation(abstract, transfer,
assoc_group_id=ack1.u.assoc_group_id,
context_id=2, return_ack=True)
inq_if_ids = samba.dcerpc.mgmt.inq_if_ids()
self.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx2, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids,
fault_pfc_flags=(
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_FIRST |
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_LAST |
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE),
fault_status=dcerpc.DCERPC_NCA_S_UNKNOWN_IF,
fault_context_id=0)
self.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx2, io=inq_if_ids)
conn2._disconnect("End of Test")
return
def test_assoc_group_fail3(self):
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
(ctx1, ack1) = self.prepare_presentation(abstract, transfer,
context_id=1, return_ack=True)
# assoc groups are per transport
connF = self.second_connection(primary_address="\\pipe\\lsarpc",
secondary_address="\\pipe\\lsass",
transport_creds=self.get_user_creds())
tsfF_list = [transfer]
ctxF = samba.dcerpc.dcerpc.ctx_list()
ctxF.context_id = 0xF
ctxF.num_transfer_syntaxes = len(tsfF_list)
ctxF.abstract_syntax = abstract
ctxF.transfer_syntaxes = tsfF_list
ack = connF.do_generic_bind(ctx=ctxF, assoc_group_id=ack1.u.assoc_group_id,
nak_reason=dcerpc.DCERPC_BIND_NAK_REASON_NOT_SPECIFIED)
# wait for a disconnect
rep = connF.recv_pdu()
self.assertIsNone(rep)
connF.assertNotConnected()
conn2 = self.second_connection()
(ctx2, ack2) = conn2.prepare_presentation(abstract, transfer,
assoc_group_id=ack1.u.assoc_group_id,
context_id=2, return_ack=True)
inq_if_ids = samba.dcerpc.mgmt.inq_if_ids()
self.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx2, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids,
fault_pfc_flags=(
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_FIRST |
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_LAST |
samba.dcerpc.dcerpc.DCERPC_PFC_FLAG_DID_NOT_EXECUTE),
fault_status=dcerpc.DCERPC_NCA_S_UNKNOWN_IF,
fault_context_id=0)
self.do_single_request(call_id=1, ctx=ctx1, io=inq_if_ids)
conn2.do_single_request(call_id=1, ctx=ctx2, io=inq_if_ids)
conn2._disconnect("End of Test")
return
def _test_krb5_hdr_sign_delayed1(self, do_upgrade):
auth_type = dcerpc.DCERPC_AUTH_TYPE_KRB5
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 1
creds = self.get_user_creds()
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
tsf1_list = [transfer]
ctx = samba.dcerpc.dcerpc.ctx_list()
ctx.context_id = 1
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = abstract
ctx.transfer_syntaxes = tsf1_list
auth_context = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
hdr_signing=False)
ack = self.do_generic_bind(call_id=1,
ctx=ctx,
auth_context=auth_context)
inq_if_ids = samba.dcerpc.mgmt.inq_if_ids()
self.do_single_request(call_id=2, ctx=ctx, io=inq_if_ids,
auth_context=auth_context)
#
# This is just an alter context without authentication
# But it can turn on header signing for the whole connection
#
ack2 = self.do_generic_bind(call_id=3, ctx=ctx,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN,
assoc_group_id = ack.u.assoc_group_id,
start_with_alter=True)
self.assertFalse(auth_context['hdr_signing'])
if do_upgrade:
auth_context['hdr_signing'] = True
auth_context["gensec"].want_feature(gensec.FEATURE_SIGN_PKT_HEADER)
fault_status=None
else:
fault_status=dcerpc.DCERPC_FAULT_SEC_PKG_ERROR
self.do_single_request(call_id=4, ctx=ctx, io=inq_if_ids,
auth_context=auth_context,
fault_status=fault_status)
if fault_status is not None:
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
self.do_single_request(call_id=5, ctx=ctx, io=inq_if_ids,
auth_context=auth_context)
return
def test_krb5_hdr_sign_delayed1_ok1(self):
return self._test_krb5_hdr_sign_delayed1(do_upgrade=True)
def test_krb5_hdr_sign_delayed1_fail1(self):
return self._test_krb5_hdr_sign_delayed1(do_upgrade=False)
def _test_krb5_hdr_sign_delayed2(self, do_upgrade):
auth_type = dcerpc.DCERPC_AUTH_TYPE_KRB5
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 1
creds = self.get_user_creds()
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
tsf1_list = [transfer]
ctx = samba.dcerpc.dcerpc.ctx_list()
ctx.context_id = 1
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = abstract
ctx.transfer_syntaxes = tsf1_list
auth_context = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
hdr_signing=False)
#
# SUPPORT_HEADER_SIGN on alter context activates header signing
#
ack = self.do_generic_bind(call_id=1,
ctx=ctx,
auth_context=auth_context,
pfc_flags_2nd=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN)
self.assertFalse(auth_context['hdr_signing'])
if do_upgrade:
auth_context['hdr_signing'] = True
auth_context["gensec"].want_feature(gensec.FEATURE_SIGN_PKT_HEADER)
fault_status=None
else:
fault_status=dcerpc.DCERPC_FAULT_SEC_PKG_ERROR
inq_if_ids = samba.dcerpc.mgmt.inq_if_ids()
self.do_single_request(call_id=4, ctx=ctx, io=inq_if_ids,
auth_context=auth_context,
fault_status=fault_status)
if fault_status is not None:
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
self.do_single_request(call_id=5, ctx=ctx, io=inq_if_ids,
auth_context=auth_context)
return
def test_krb5_hdr_sign_delayed2_ok1(self):
return self._test_krb5_hdr_sign_delayed2(do_upgrade=True)
def test_krb5_hdr_sign_delayed2_fail1(self):
return self._test_krb5_hdr_sign_delayed2(do_upgrade=False)
def test_krb5_hdr_sign_delayed3_fail1(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_KRB5
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = 1
creds = self.get_user_creds()
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
tsf1_list = [transfer]
ctx = samba.dcerpc.dcerpc.ctx_list()
ctx.context_id = 1
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = abstract
ctx.transfer_syntaxes = tsf1_list
auth_context = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
hdr_signing=False)
#
# SUPPORT_HEADER_SIGN on auth3 doesn't activate header signing
#
ack = self.do_generic_bind(call_id=1,
ctx=ctx,
auth_context=auth_context,
pfc_flags_2nd=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN,
use_auth3=True)
inq_if_ids = samba.dcerpc.mgmt.inq_if_ids()
self.do_single_request(call_id=2, ctx=ctx, io=inq_if_ids,
auth_context=auth_context)
self.assertFalse(auth_context['hdr_signing'])
auth_context['hdr_signing'] = True
auth_context["gensec"].want_feature(gensec.FEATURE_SIGN_PKT_HEADER)
fault_status=dcerpc.DCERPC_FAULT_SEC_PKG_ERROR
self.do_single_request(call_id=4, ctx=ctx, io=inq_if_ids,
auth_context=auth_context,
fault_status=fault_status)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
def _test_lsa_multi_auth_connect1(self, smb_creds,
account_name0, authority_name0):
creds1 = self.get_anon_creds()
account_name1 = "ANONYMOUS LOGON"
authority_name1 = "NT AUTHORITY"
auth_type1 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level1 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id1 = 1
creds2 = self.get_user_creds()
account_name2 = creds2.get_username()
authority_name2 = creds2.get_domain()
auth_type2 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level2 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id2 = 2
abstract = samba.dcerpc.lsa.abstract_syntax()
transfer = base.transfer_syntax_ndr()
self.reconnect_smb_pipe(primary_address='\\pipe\\lsarpc',
secondary_address='\\pipe\\lsass',
transport_creds=smb_creds)
self.assertIsConnected()
tsf1_list = [transfer]
ctx1 = samba.dcerpc.dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = abstract
ctx1.transfer_syntaxes = tsf1_list
auth_context1 = self.get_auth_context_creds(creds=creds1,
auth_type=auth_type1,
auth_level=auth_level1,
auth_context_id=auth_context_id1,
hdr_signing=False)
auth_context2 = self.get_auth_context_creds(creds=creds2,
auth_type=auth_type2,
auth_level=auth_level2,
auth_context_id=auth_context_id2,
hdr_signing=False)
get_user_name = samba.dcerpc.lsa.GetUserName()
get_user_name.in_system_name = self.target_hostname
get_user_name.in_account_name = None
get_user_name.in_authority_name = base.ndr_pointer(None)
ack1 = self.do_generic_bind(call_id=0,
ctx=ctx1,
auth_context=auth_context1)
#
# With just one explicit auth context and that
# uses AUTH_LEVEL_CONNECT context.
#
# We always get that by default instead of the one default one
# inherited from the transport
#
self.do_single_request(call_id=1, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=2, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
ack2 = self.do_generic_bind(call_id=3,
ctx=ctx1,
auth_context=auth_context2,
assoc_group_id = ack1.u.assoc_group_id,
start_with_alter=True)
#
# Now we have two explicit auth contexts
#
# If we don't specify one of them we get the default one
# inherited from the transport
#
self.do_single_request(call_id=4, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
self.do_single_request(call_id=5, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=6, ctx=ctx1, io=get_user_name,
auth_context=auth_context2)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name2)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name2)
self.do_single_request(call_id=7, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
return
def test_lsa_multi_auth_connect1u(self):
smb_auth_creds = self.get_user_creds()
account_name0 = smb_auth_creds.get_username()
authority_name0 = smb_auth_creds.get_domain()
return self._test_lsa_multi_auth_connect1(smb_auth_creds,
account_name0,
authority_name0)
def test_lsa_multi_auth_connect1a(self):
smb_auth_creds = self.get_anon_creds()
account_name0 = "ANONYMOUS LOGON"
authority_name0 = "NT AUTHORITY"
return self._test_lsa_multi_auth_connect1(smb_auth_creds,
account_name0,
authority_name0)
def _test_lsa_multi_auth_connect2(self, smb_creds,
account_name0, authority_name0):
creds1 = self.get_anon_creds()
account_name1 = "ANONYMOUS LOGON"
authority_name1 = "NT AUTHORITY"
auth_type1 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level1 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id1 = 1
creds2 = self.get_user_creds()
account_name2 = creds2.get_username()
authority_name2 = creds2.get_domain()
auth_type2 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level2 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id2 = 2
abstract = samba.dcerpc.lsa.abstract_syntax()
transfer = base.transfer_syntax_ndr()
self.reconnect_smb_pipe(primary_address='\\pipe\\lsarpc',
secondary_address='\\pipe\\lsass',
transport_creds=smb_creds)
self.assertIsConnected()
tsf1_list = [transfer]
ctx1 = samba.dcerpc.dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = abstract
ctx1.transfer_syntaxes = tsf1_list
auth_context1 = self.get_auth_context_creds(creds=creds1,
auth_type=auth_type1,
auth_level=auth_level1,
auth_context_id=auth_context_id1,
hdr_signing=False)
auth_context2 = self.get_auth_context_creds(creds=creds2,
auth_type=auth_type2,
auth_level=auth_level2,
auth_context_id=auth_context_id2,
hdr_signing=False)
get_user_name = samba.dcerpc.lsa.GetUserName()
get_user_name.in_system_name = self.target_hostname
get_user_name.in_account_name = None
get_user_name.in_authority_name = base.ndr_pointer(None)
ack0 = self.do_generic_bind(call_id=0, ctx=ctx1)
#
# We use the default auth context
# inherited from the transport
#
self.do_single_request(call_id=1, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
ack1 = self.do_generic_bind(call_id=2,
ctx=ctx1,
auth_context=auth_context1,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
#
# With just one explicit auth context and that
# uses AUTH_LEVEL_CONNECT context.
#
# We always get that by default instead of the one default one
# inherited from the transport
#
self.do_single_request(call_id=3, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=4, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
ack2 = self.do_generic_bind(call_id=5,
ctx=ctx1,
auth_context=auth_context2,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
#
# Now we have two explicit auth contexts
#
# If we don't specify one of them we get the default one
# inherited from the transport (again)
#
self.do_single_request(call_id=6, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
self.do_single_request(call_id=7, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=8, ctx=ctx1, io=get_user_name,
auth_context=auth_context2)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name2)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name2)
self.do_single_request(call_id=9, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
return
def test_lsa_multi_auth_connect2u(self):
smb_auth_creds = self.get_user_creds()
account_name0 = smb_auth_creds.get_username()
authority_name0 = smb_auth_creds.get_domain()
return self._test_lsa_multi_auth_connect2(smb_auth_creds,
account_name0,
authority_name0)
def test_lsa_multi_auth_connect2a(self):
smb_auth_creds = self.get_anon_creds()
account_name0 = "ANONYMOUS LOGON"
authority_name0 = "NT AUTHORITY"
return self._test_lsa_multi_auth_connect2(smb_auth_creds,
account_name0,
authority_name0)
def _test_lsa_multi_auth_connect3(self, smb_creds,
account_name0, authority_name0):
creds1 = self.get_anon_creds()
account_name1 = "ANONYMOUS LOGON"
authority_name1 = "NT AUTHORITY"
auth_type1 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level1 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id1 = 1
creds2 = self.get_user_creds()
account_name2 = creds2.get_username()
authority_name2 = creds2.get_domain()
auth_type2 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level2 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id2 = 2
abstract = samba.dcerpc.lsa.abstract_syntax()
transfer = base.transfer_syntax_ndr()
self.reconnect_smb_pipe(primary_address='\\pipe\\lsarpc',
secondary_address='\\pipe\\lsass',
transport_creds=smb_creds)
self.assertIsConnected()
tsf1_list = [transfer]
ctx1 = samba.dcerpc.dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = abstract
ctx1.transfer_syntaxes = tsf1_list
auth_context1 = self.get_auth_context_creds(creds=creds1,
auth_type=auth_type1,
auth_level=auth_level1,
auth_context_id=auth_context_id1,
hdr_signing=False)
auth_context2 = self.get_auth_context_creds(creds=creds2,
auth_type=auth_type2,
auth_level=auth_level2,
auth_context_id=auth_context_id2,
hdr_signing=False)
get_user_name = samba.dcerpc.lsa.GetUserName()
get_user_name.in_system_name = self.target_hostname
get_user_name.in_account_name = None
get_user_name.in_authority_name = base.ndr_pointer(None)
ack0 = self.do_generic_bind(call_id=0, ctx=ctx1)
#
# We use the default auth context
# inherited from the transport
#
self.do_single_request(call_id=1, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
ack1 = self.do_generic_bind(call_id=2,
ctx=ctx1,
auth_context=auth_context1,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
#
# With just one explicit auth context and that
# uses AUTH_LEVEL_CONNECT context.
#
# We always get that by default instead of the one default one
# inherited from the transport
#
# Until an explicit usage resets that mode
#
self.do_single_request(call_id=3, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=4, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=5, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=6, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
ack2 = self.do_generic_bind(call_id=7,
ctx=ctx1,
auth_context=auth_context2,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
#
# A new auth context won't change that mode again.
#
self.do_single_request(call_id=8, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
self.do_single_request(call_id=9, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=10, ctx=ctx1, io=get_user_name,
auth_context=auth_context2)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name2)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name2)
self.do_single_request(call_id=11, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
return
def test_lsa_multi_auth_connect3u(self):
smb_auth_creds = self.get_user_creds()
account_name0 = smb_auth_creds.get_username()
authority_name0 = smb_auth_creds.get_domain()
return self._test_lsa_multi_auth_connect3(smb_auth_creds,
account_name0,
authority_name0)
def test_lsa_multi_auth_connect3a(self):
smb_auth_creds = self.get_anon_creds()
account_name0 = "ANONYMOUS LOGON"
authority_name0 = "NT AUTHORITY"
return self._test_lsa_multi_auth_connect3(smb_auth_creds,
account_name0,
authority_name0)
def _test_lsa_multi_auth_connect4(self, smb_creds,
account_name0, authority_name0):
creds1 = self.get_anon_creds()
account_name1 = "ANONYMOUS LOGON"
authority_name1 = "NT AUTHORITY"
auth_type1 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level1 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id1 = 1
creds2 = self.get_user_creds()
account_name2 = creds2.get_username()
authority_name2 = creds2.get_domain()
auth_type2 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level2 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id2 = 2
creds3 = self.get_anon_creds()
account_name3 = "ANONYMOUS LOGON"
authority_name3 = "NT AUTHORITY"
auth_type3 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level3 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id3 = 3
creds4 = self.get_user_creds()
account_name4 = creds4.get_username()
authority_name4 = creds4.get_domain()
auth_type4 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level4 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id4 = 4
abstract = samba.dcerpc.lsa.abstract_syntax()
transfer = base.transfer_syntax_ndr()
self.reconnect_smb_pipe(primary_address='\\pipe\\lsarpc',
secondary_address='\\pipe\\lsass',
transport_creds=smb_creds)
self.assertIsConnected()
tsf1_list = [transfer]
ctx1 = samba.dcerpc.dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = abstract
ctx1.transfer_syntaxes = tsf1_list
auth_context1 = self.get_auth_context_creds(creds=creds1,
auth_type=auth_type1,
auth_level=auth_level1,
auth_context_id=auth_context_id1,
hdr_signing=False)
auth_context2 = self.get_auth_context_creds(creds=creds2,
auth_type=auth_type2,
auth_level=auth_level2,
auth_context_id=auth_context_id2,
hdr_signing=False)
auth_context3 = self.get_auth_context_creds(creds=creds3,
auth_type=auth_type3,
auth_level=auth_level3,
auth_context_id=auth_context_id3,
hdr_signing=False)
auth_context4 = self.get_auth_context_creds(creds=creds4,
auth_type=auth_type4,
auth_level=auth_level4,
auth_context_id=auth_context_id4,
hdr_signing=False)
get_user_name = samba.dcerpc.lsa.GetUserName()
get_user_name.in_system_name = self.target_hostname
get_user_name.in_account_name = None
get_user_name.in_authority_name = base.ndr_pointer(None)
ack0 = self.do_generic_bind(call_id=0, ctx=ctx1)
#
# We use the default auth context
# inherited from the transport
#
self.do_single_request(call_id=1, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
ack1 = self.do_generic_bind(call_id=2,
ctx=ctx1,
auth_context=auth_context1,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
#
# With just one explicit auth context and that
# uses AUTH_LEVEL_CONNECT context.
#
# We always get that by default instead of the one default one
# inherited from the transport
#
# Until a new explicit context resets the mode
#
self.do_single_request(call_id=3, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=4, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
ack2 = self.do_generic_bind(call_id=5,
ctx=ctx1,
auth_context=auth_context2,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
#
# A new auth context with LEVEL_CONNECT resets the default.
#
self.do_single_request(call_id=6, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name2)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name2)
self.do_single_request(call_id=7, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name2)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name2)
ack3 = self.do_generic_bind(call_id=8,
ctx=ctx1,
auth_context=auth_context3,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
#
# A new auth context with LEVEL_CONNECT resets the default.
#
self.do_single_request(call_id=9, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name3)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name3)
self.do_single_request(call_id=10, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name3)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name3)
ack4 = self.do_generic_bind(call_id=11,
ctx=ctx1,
auth_context=auth_context4,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
#
# A new auth context with LEVEL_CONNECT resets the default.
#
self.do_single_request(call_id=12, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name4)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name4)
self.do_single_request(call_id=13, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name4)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name4)
#
# Only the explicit usage of any context reset that mode
#
self.do_single_request(call_id=14, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=15, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
self.do_single_request(call_id=16, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=17, ctx=ctx1, io=get_user_name,
auth_context=auth_context2)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name2)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name2)
self.do_single_request(call_id=18, ctx=ctx1, io=get_user_name,
auth_context=auth_context3)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name3)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name3)
self.do_single_request(call_id=19, ctx=ctx1, io=get_user_name,
auth_context=auth_context4)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name4)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name4)
self.do_single_request(call_id=20, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
return
def test_lsa_multi_auth_connect4u(self):
smb_auth_creds = self.get_user_creds()
account_name0 = smb_auth_creds.get_username()
authority_name0 = smb_auth_creds.get_domain()
return self._test_lsa_multi_auth_connect4(smb_auth_creds,
account_name0,
authority_name0)
def test_lsa_multi_auth_connect4a(self):
smb_auth_creds = self.get_anon_creds()
account_name0 = "ANONYMOUS LOGON"
authority_name0 = "NT AUTHORITY"
return self._test_lsa_multi_auth_connect4(smb_auth_creds,
account_name0,
authority_name0)
def _test_lsa_multi_auth_sign_connect1(self, smb_creds,
account_name0, authority_name0):
creds1 = self.get_user_creds()
account_name1 = creds1.get_username()
authority_name1 = creds1.get_domain()
auth_type1 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level1 = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id1 = 1
creds2 = self.get_user_creds()
account_name2 = creds2.get_username()
authority_name2 = creds2.get_domain()
auth_type2 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level2 = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id2 = 2
creds3 = self.get_anon_creds()
account_name3 = "ANONYMOUS LOGON"
authority_name3 = "NT AUTHORITY"
auth_type3 = dcerpc.DCERPC_AUTH_TYPE_NTLMSSP
auth_level3 = dcerpc.DCERPC_AUTH_LEVEL_CONNECT
auth_context_id3 = 3
abstract = samba.dcerpc.lsa.abstract_syntax()
transfer = base.transfer_syntax_ndr()
self.reconnect_smb_pipe(primary_address='\\pipe\\lsarpc',
secondary_address='\\pipe\\lsass',
transport_creds=smb_creds)
self.assertIsConnected()
tsf1_list = [transfer]
ctx1 = samba.dcerpc.dcerpc.ctx_list()
ctx1.context_id = 1
ctx1.num_transfer_syntaxes = len(tsf1_list)
ctx1.abstract_syntax = abstract
ctx1.transfer_syntaxes = tsf1_list
auth_context1 = self.get_auth_context_creds(creds=creds1,
auth_type=auth_type1,
auth_level=auth_level1,
auth_context_id=auth_context_id1,
hdr_signing=False)
auth_context2 = self.get_auth_context_creds(creds=creds2,
auth_type=auth_type2,
auth_level=auth_level2,
auth_context_id=auth_context_id2,
hdr_signing=False)
auth_context3 = self.get_auth_context_creds(creds=creds3,
auth_type=auth_type3,
auth_level=auth_level3,
auth_context_id=auth_context_id3,
hdr_signing=False)
get_user_name = samba.dcerpc.lsa.GetUserName()
get_user_name.in_system_name = self.target_hostname
get_user_name.in_account_name = None
get_user_name.in_authority_name = base.ndr_pointer(None)
ack1 = self.do_generic_bind(call_id=0,
ctx=ctx1,
auth_context=auth_context1)
#
# With just one explicit auth context and that
# *not* uses AUTH_LEVEL_CONNECT context.
#
# We don't get the by default (auth_context1)
#
self.do_single_request(call_id=1, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
self.do_single_request(call_id=2, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=3, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
ack2 = self.do_generic_bind(call_id=4,
ctx=ctx1,
auth_context=auth_context2,
assoc_group_id = ack1.u.assoc_group_id,
start_with_alter=True)
#
# With just two explicit auth context and
# *none* uses AUTH_LEVEL_CONNECT context.
#
# We don't get auth_context1 or auth_context2 by default
#
self.do_single_request(call_id=5, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
self.do_single_request(call_id=6, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=7, ctx=ctx1, io=get_user_name,
auth_context=auth_context2)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name2)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name2)
self.do_single_request(call_id=8, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
ack3 = self.do_generic_bind(call_id=9,
ctx=ctx1,
auth_context=auth_context3,
assoc_group_id = ack1.u.assoc_group_id,
start_with_alter=True)
#
# Now we have tree explicit auth contexts,
# but just one with AUTH_LEVEL_CONNECT
#
# If we don't specify one of them we get
# that one auth_level_connect context.
#
# Until an explicit usage of any auth context reset that mode.
#
self.do_single_request(call_id=10, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name3)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name3)
self.do_single_request(call_id=11, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name3)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name3)
self.do_single_request(call_id=12, ctx=ctx1, io=get_user_name,
auth_context=auth_context1)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name1)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name1)
self.do_single_request(call_id=13, ctx=ctx1, io=get_user_name)
self.assertEqual(get_user_name.result[0], NT_STATUS_SUCCESS)
self.assertEqualsStrLower(get_user_name.out_account_name, account_name0)
self.assertEqualsStrLower(get_user_name.out_authority_name.value, authority_name0)
return
def test_lsa_multi_auth_sign_connect1u(self):
smb_auth_creds = self.get_user_creds()
account_name0 = smb_auth_creds.get_username()
authority_name0 = smb_auth_creds.get_domain()
return self._test_lsa_multi_auth_sign_connect1(smb_auth_creds,
account_name0,
authority_name0)
def test_lsa_multi_auth_sign_connect1a(self):
smb_auth_creds = self.get_anon_creds()
account_name0 = "ANONYMOUS LOGON"
authority_name0 = "NT AUTHORITY"
return self._test_lsa_multi_auth_sign_connect1(smb_auth_creds,
account_name0,
authority_name0)
def test_spnego_multiple_auth_hdr_signing(self):
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level1 = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id1=1
auth_level2 = dcerpc.DCERPC_AUTH_LEVEL_PACKET
auth_context_id2=2
creds = self.get_user_creds()
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
tsf1_list = [transfer]
ctx = samba.dcerpc.dcerpc.ctx_list()
ctx.context_id = 1
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = abstract
ctx.transfer_syntaxes = tsf1_list
auth_context1 = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level1,
auth_context_id=auth_context_id1,
hdr_signing=False)
auth_context2 = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level2,
auth_context_id=auth_context_id2,
hdr_signing=False)
ack0 = self.do_generic_bind(call_id=1, ctx=ctx)
ack1 = self.do_generic_bind(call_id=2,
ctx=ctx,
auth_context=auth_context1,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
ack2 = self.do_generic_bind(call_id=3,
ctx=ctx,
auth_context=auth_context2,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
inq_if_ids = samba.dcerpc.mgmt.inq_if_ids()
self.do_single_request(call_id=4, ctx=ctx, io=inq_if_ids)
self.do_single_request(call_id=5, ctx=ctx, io=inq_if_ids,
auth_context=auth_context1)
self.do_single_request(call_id=6, ctx=ctx, io=inq_if_ids,
auth_context=auth_context2)
ack3 = self.do_generic_bind(call_id=7, ctx=ctx,
pfc_flags=dcerpc.DCERPC_PFC_FLAG_FIRST |
dcerpc.DCERPC_PFC_FLAG_LAST |
dcerpc.DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN,
assoc_group_id = ack0.u.assoc_group_id,
start_with_alter=True)
self.assertFalse(auth_context1['hdr_signing'])
auth_context1['hdr_signing'] = True
auth_context1["gensec"].want_feature(gensec.FEATURE_SIGN_PKT_HEADER)
self.do_single_request(call_id=8, ctx=ctx, io=inq_if_ids)
self.do_single_request(call_id=9, ctx=ctx, io=inq_if_ids,
auth_context=auth_context1)
self.do_single_request(call_id=10, ctx=ctx, io=inq_if_ids,
auth_context=auth_context2,
fault_status=dcerpc.DCERPC_FAULT_SEC_PKG_ERROR)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
def test_multiple_auth_limit(self):
creds = self.get_user_creds()
abstract = samba.dcerpc.mgmt.abstract_syntax()
transfer = base.transfer_syntax_ndr()
tsf1_list = [transfer]
ctx = samba.dcerpc.dcerpc.ctx_list()
ctx.context_id = 1
ctx.num_transfer_syntaxes = len(tsf1_list)
ctx.abstract_syntax = abstract
ctx.transfer_syntaxes = tsf1_list
ack0 = self.do_generic_bind(call_id=0, ctx=ctx)
is_server_listening = samba.dcerpc.mgmt.is_server_listening()
max_num_auth_str = samba.tests.env_get_var_value('MAX_NUM_AUTH', allow_missing=True)
if max_num_auth_str is not None:
max_num_auth = int(max_num_auth_str)
else:
max_num_auth = 2049
for i in range(1, max_num_auth+2):
auth_type = dcerpc.DCERPC_AUTH_TYPE_SPNEGO
auth_level = dcerpc.DCERPC_AUTH_LEVEL_INTEGRITY
auth_context_id = i
auth_context = self.get_auth_context_creds(creds=creds,
auth_type=auth_type,
auth_level=auth_level,
auth_context_id=auth_context_id,
hdr_signing=False)
alter_fault = None
if i > max_num_auth:
alter_fault = dcerpc.DCERPC_NCA_S_PROTO_ERROR
ack = self.do_generic_bind(call_id=auth_context_id,
ctx=ctx,
auth_context=auth_context,
assoc_group_id = ack0.u.assoc_group_id,
alter_fault=alter_fault,
start_with_alter=True,
)
if alter_fault is not None:
break
self.do_single_request(call_id=auth_context_id,
ctx=ctx, io=is_server_listening,
auth_context=auth_context)
# wait for a disconnect
rep = self.recv_pdu()
self.assertIsNone(rep)
self.assertNotConnected()
return
if __name__ == "__main__":
global_ndr_print = True
global_hexdump = True
import unittest
unittest.main()