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# Unix SMB/CIFS implementation. Tests for dsdb
# Copyright (C) Andrew Bartlett <abartlet@samba.org> 2023
#
# 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/>.
#
"""Tests for samba.dsdb."""
from samba.credentials import Credentials
from samba.samdb import SamDB
from samba.auth import system_session
from samba.param import LoadParm
from samba import dsdb, functional_level
import ldb
from samba.tests.samba_tool.base import SambaToolCmdTest
import os
import shutil
import tempfile
class SambaFLStartUpTests(SambaToolCmdTest):
"""Test the samba binary sets the DC FL on startup for RW DCs"""
@classmethod
def setUpClass(cls):
super().setUpClass()
cls.classtempdir = tempfile.mkdtemp()
cls.tempsambadir = os.path.join(cls.classtempdir, "samba")
command = (
"samba-tool " +
"domain provision " +
"--realm=foo.example.com " +
"--domain=FOO " +
("--targetdir=%s " % cls.tempsambadir) +
"--use-ntvfs"
)
(result, out, err) = cls.run_command(command)
if (result != 0):
raise AssertionError
@classmethod
def tearDownClass(cls):
super().tearDownClass()
shutil.rmtree(cls.tempsambadir)
def setUp(self):
super().setUp()
path = os.path.join(self.tempsambadir, "etc/smb.conf")
self.lp = LoadParm(filename_for_non_global_lp=path)
self.creds = Credentials()
self.creds.guess(self.lp)
self.session = system_session()
self.samdb = SamDB(session_info=self.session,
credentials=self.creds,
lp=self.lp)
def test_initial_db_fl_state(self):
server_dn = self.samdb.get_dsServiceName()
res = self.samdb.search(base=server_dn,
scope=ldb.SCOPE_BASE,
attrs=["msDS-Behavior-Version"])
# This confirms the domain is in FL 2008 R2 by default, this is
# important to verify the original state
self.assertEqual(int(res[0]["msDS-Behavior-Version"][0]),
dsdb.DS_DOMAIN_FUNCTION_2008_R2)
def test_initial_rootdse_domain_fl_state(self):
res = self.samdb.search(base="",
scope=ldb.SCOPE_BASE,
attrs=["domainControllerFunctionality"])
self.assertEqual(int(res[0]["domainControllerFunctionality"][0]),
dsdb.DS_DOMAIN_FUNCTION_2008_R2)
def test_initial_rootdse_dc_fl_state(self):
res = self.samdb.search(base="",
scope=ldb.SCOPE_BASE,
attrs=["domainFunctionality"])
self.assertEqual(int(res[0]["domainFunctionality"][0]),
dsdb.DS_DOMAIN_FUNCTION_2008_R2)
def test_initial_lp_fl_state(self):
lp_fl = self.lp.get("ad dc functional level")
# This confirms the domain is in FL 2008 R2 by default, this is
# important to verify the original state
self.assertEqual(lp_fl, "2008_R2")
def test_initial_lp_fl_state_mapped(self):
# Confirm the same via the dc_level_from_lp wrapper
self.assertEqual(functional_level.dc_level_from_lp(self.lp),
dsdb.DS_DOMAIN_FUNCTION_2008_R2)
def fixup_fl(self, dn, fl):
msg = ldb.Message()
msg.dn = dn
msg["msDS-Behavior-Version"] = (
ldb.MessageElement(str(fl),
ldb.FLAG_MOD_REPLACE,
"msDS-Behavior-Version"))
self.samdb.modify(msg)
def test_change_db_dc_fl(self):
server_dn = ldb.Dn(self.samdb, self.samdb.get_dsServiceName())
msg = ldb.Message()
msg.dn = server_dn
msg["msDS-Behavior-Version"] = (
ldb.MessageElement(str(dsdb.DS_DOMAIN_FUNCTION_2012_R2),
ldb.FLAG_MOD_REPLACE,
"msDS-Behavior-Version"))
self.samdb.modify(msg)
self.addCleanup(self.fixup_fl, msg.dn, dsdb.DS_DOMAIN_FUNCTION_2008_R2)
samdb2 = SamDB(session_info=self.session,
credentials=self.creds,
lp=self.lp)
# Check that the DB set to 2012_R2 has got as far as the rootDSE handler on a new connection
res = samdb2.search(base="",
scope=ldb.SCOPE_BASE,
attrs=["domainControllerFunctionality"])
self.assertEqual(int(res[0]["domainControllerFunctionality"][0]),
dsdb.DS_DOMAIN_FUNCTION_2012_R2)
def test_incorrect_db_dc_fl(self):
server_dn = ldb.Dn(self.samdb, self.samdb.get_dsServiceName())
self.addCleanup(self.fixup_fl, server_dn, dsdb.DS_DOMAIN_FUNCTION_2008_R2)
old_lp_fl = self.lp.get("ad dc functional level")
self.lp.set("ad dc functional level",
"2016")
self.addCleanup(self.lp.set, "ad dc functional level", old_lp_fl)
dsdb.check_and_update_fl(self.samdb, self.lp)
# Check this has been set to 2016 per the smb.conf setting
res = self.samdb.search(base="",
scope=ldb.SCOPE_BASE,
attrs=["domainControllerFunctionality"])
self.assertEqual(int(res[0]["domainControllerFunctionality"][0]),
dsdb.DS_DOMAIN_FUNCTION_2016)
samdb3 = SamDB(session_info=self.session,
credentials=self.creds,
lp=self.lp)
# Check this is still set on re-read (not just the opaque)
res = samdb3.search(base="",
scope=ldb.SCOPE_BASE,
attrs=["domainControllerFunctionality"])
self.assertEqual(int(res[0]["domainControllerFunctionality"][0]),
dsdb.DS_DOMAIN_FUNCTION_2016)
res = self.samdb.search(base=server_dn,
scope=ldb.SCOPE_BASE,
attrs=["msDS-Behavior-Version"])
self.assertEqual(int(res[0]["msDS-Behavior-Version"][0]),
dsdb.DS_DOMAIN_FUNCTION_2016)
self.assertEqual(functional_level.dc_level_from_lp(self.lp),
dsdb.DS_DOMAIN_FUNCTION_2016)
self.assertEqual(self.lp.get("ad dc functional level"),
"2016")
if __name__ == "__main__":
import unittest
unittest.main()
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