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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Test conflict scenarios on the RODC
#
# Copyright (C) Kamen Mazdrashki <kamenim@samba.org> 2011
# Copyright (C) Catalyst.NET Ltd 2018
#
# 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/>.
#
#
# Usage:
# export DC1=dc1_dns_name
# export DC2=dc2_dns_name (RODC)
# export SUBUNITRUN=$samba4srcdir/scripting/bin/subunitrun
# PYTHONPATH="$PYTHONPATH:$samba4srcdir/torture/drs/python" $SUBUNITRUN replica_sync_rodc -U"$DOMAIN/$DC_USERNAME"%"$DC_PASSWORD"
#
import drs_base
import samba.tests
import time
import ldb
from samba.common import get_string
from ldb import (
SCOPE_BASE, LdbError, ERR_NO_SUCH_OBJECT)
class DrsReplicaSyncTestCase(drs_base.DrsBaseTestCase):
"""Intended as a black box test case for DsReplicaSync
implementation. It should test the behavior of this
case in cases when inbound replication is disabled"""
def setUp(self):
super(DrsReplicaSyncTestCase, self).setUp()
self._disable_all_repl(self.dnsname_dc1)
self.ou1 = None
self.ou2 = None
def tearDown(self):
# re-enable replication
self._enable_all_repl(self.dnsname_dc1)
super(DrsReplicaSyncTestCase, self).tearDown()
def _create_ou(self, samdb, name):
ldif = """
dn: %s,%s
objectClass: organizationalUnit
""" % (name, self.domain_dn)
samdb.add_ldif(ldif)
res = samdb.search(base="%s,%s" % (name, self.domain_dn),
scope=SCOPE_BASE, attrs=["objectGUID"])
return get_string(self._GUID_string(res[0]["objectGUID"][0]))
def _check_deleted(self, sam_ldb, guid):
# search the user by guid as it may be deleted
res = sam_ldb.search(base='<GUID=%s>' % guid,
controls=["show_deleted:1"],
attrs=["isDeleted", "objectCategory", "ou"])
self.assertEqual(len(res), 1)
ou_cur = res[0]
# Deleted Object base DN
dodn = self._deleted_objects_dn(sam_ldb)
# now check properties of the user
name_cur = ou_cur["ou"][0]
self.assertEqual(ou_cur["isDeleted"][0], "TRUE")
self.assertTrue(not("objectCategory" in ou_cur))
self.assertTrue(dodn in str(ou_cur["dn"]),
"OU %s is deleted but it is not located under %s!" % (name_cur, dodn))
def test_ReplConflictsRODC(self):
"""Tests that objects created in conflict become conflict DNs"""
# Replicate all objects to RODC beforehand
self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, forced=True)
# Create conflicting objects on DC1 and DC2, with DC1 object created first
name = "OU=Test RODC Conflict"
self.ou1 = self._create_ou(self.ldb_dc1, name)
# Replicate single object
self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
nc_dn="%s,%s" % (name, self.domain_dn),
local=True, single=True, forced=True)
# Delete the object, so another can be added
self.ldb_dc1.delete('<GUID=%s>' % self.ou1)
# Create a conflicting DN as it would appear to the RODC
self.ou2 = self._create_ou(self.ldb_dc1, name)
try:
self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
nc_dn="%s,%s" % (name, self.domain_dn),
local=True, single=True, forced=True)
except:
# Cleanup the object
self.ldb_dc1.delete('<GUID=%s>' % self.ou2)
return
# Replicate cannot succeed, HWM would be updated incorrectly.
self.fail("DRS replicate should have failed.")
def test_ReplConflictsRODCRename(self):
"""Tests that objects created in conflict become conflict DNs"""
# Replicate all objects to RODC beforehand
self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, forced=True)
# Create conflicting objects on DC1 and DC2, with DC1 object created first
name = "OU=Test RODC Rename Conflict"
self.ou1 = self._create_ou(self.ldb_dc1, name)
# Replicate single object
self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
nc_dn="%s,%s" % (name, self.domain_dn),
local=True, single=True, forced=True)
# Create a non-conflicting DN to rename as conflicting
free_name = "OU=Test RODC Rename No Conflict"
self.ou2 = self._create_ou(self.ldb_dc1, free_name)
self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
nc_dn="%s,%s" % (free_name, self.domain_dn),
local=True, single=True, forced=True)
# Delete the object, so we can rename freely
# DO NOT REPLICATE TO THE RODC
self.ldb_dc1.delete('<GUID=%s>' % self.ou1)
# Collide the name from the RODC perspective
self.ldb_dc1.rename("<GUID=%s>" % self.ou2, "%s,%s" % (name, self.domain_dn))
try:
self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1,
nc_dn="%s,%s" % (name, self.domain_dn),
local=True, single=True, forced=True)
except:
# Cleanup the object
self.ldb_dc1.delete('<GUID=%s>' % self.ou2)
return
# Replicate cannot succeed, HWM would be updated incorrectly.
self.fail("DRS replicate should have failed.")
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