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samba-mirror/python/samba/tests/smb-notify.py
Rob van der Linde 6ac4833678 python: tests: update all super calls to python 3 style in tests
Signed-off-by: Rob van der Linde <rob@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

[abartlet@samba.org Some python2 style super() calls remain due
 to being an actual, even if reasonable, behaviour change]
2023-11-30 01:05:32 +00:00

430 lines
19 KiB
Python
Executable File

#!/usr/bin/env python3
# Unix SMB/CIFS implementation. Tests for smb notify
# Copyright (C) Björn Baumbach <bb@samba.org> 2020
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
import os
sys.path.insert(0, "bin/python")
os.environ["PYTHONUNBUFFERED"] = "1"
import samba
import random
from samba.tests import TestCase
from samba import credentials
from samba.ntstatus import NT_STATUS_NOTIFY_CLEANUP
from samba.samba3 import libsmb_samba_internal as libsmb
from samba.samba3 import param as s3param
from samba.dcerpc import security
from samba import ntacls
test_dir = os.path.join('notify_test_%d' % random.randint(0, 0xFFFF))
class SMBNotifyTests(TestCase):
def setUp(self):
super().setUp()
self.server = samba.tests.env_get_var_value("SERVER")
# create an SMB connection to the server
self.lp = s3param.get_context()
self.lp.load(samba.tests.env_get_var_value("SMB_CONF_PATH"))
self.share = samba.tests.env_get_var_value("NOTIFY_SHARE")
creds = credentials.Credentials()
creds.guess(self.lp)
creds.set_username(samba.tests.env_get_var_value("USERNAME"))
creds.set_password(samba.tests.env_get_var_value("PASSWORD"))
strict_checking = samba.tests.env_get_var_value('STRICT_CHECKING', allow_missing=True)
if strict_checking is None:
strict_checking = '1'
self.strict_checking = bool(int(strict_checking))
self.smb_conn = libsmb.Conn(self.server, self.share, self.lp, creds)
self.smb_conn_unpriv = None
try:
self.smb_conn.deltree(test_dir)
except:
pass
self.smb_conn.mkdir(test_dir)
def connect_unpriv(self):
creds_unpriv = credentials.Credentials()
creds_unpriv.guess(self.lp)
creds_unpriv.set_username(samba.tests.env_get_var_value("USERNAME_UNPRIV"))
creds_unpriv.set_password(samba.tests.env_get_var_value("PASSWORD_UNPRIV"))
self.smb_conn_unpriv = libsmb.Conn(self.server, self.share, self.lp, creds_unpriv)
def tearDown(self):
super().tearDown()
try:
self.smb_conn.deltree(test_dir)
except:
pass
def make_path(self, dirpath, filename):
return os.path.join(dirpath, filename).replace('/', '\\')
def test_notify(self):
# setup notification request on the share root
root_fnum = self.smb_conn.create(Name="", ShareAccess=1)
root_notify = self.smb_conn.notify(fnum=root_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# setup notification request on the test_dir
test_dir_fnum = self.smb_conn.create(Name=test_dir, ShareAccess=1)
test_dir_notify = self.smb_conn.notify(fnum=test_dir_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# make sure we didn't receive any changes yet.
self.smb_conn.echo()
changes = root_notify.get_changes(wait=False)
self.assertIsNone(changes)
changes = test_dir_notify.get_changes(wait=False)
self.assertIsNone(changes)
# create a test directory
dir_name = "dir"
dir_path = self.make_path(test_dir, dir_name)
self.smb_conn.mkdir(dir_path)
# check for 'added' notifications
changes = root_notify.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], dir_path)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_ADDED)
self.assertEqual(len(changes), 1)
changes = test_dir_notify.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], dir_name)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_ADDED)
self.assertEqual(len(changes), 1)
# readd notification requests
root_notify = self.smb_conn.notify(fnum=root_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
test_dir_notify = self.smb_conn.notify(fnum=test_dir_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# make sure we didn't receive any changes yet.
self.smb_conn.echo()
changes = root_notify.get_changes(wait=False)
self.assertIsNone(changes)
changes = test_dir_notify.get_changes(wait=False)
self.assertIsNone(changes)
# create subdir and trigger notifications
sub_name = "subdir"
sub_path_rel = self.make_path(dir_name, sub_name)
sub_path_full = self.make_path(dir_path, sub_name)
self.smb_conn.mkdir(sub_path_full)
# check for 'added' notifications
changes = root_notify.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], sub_path_full)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_ADDED)
self.assertEqual(len(changes), 1)
changes = test_dir_notify.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], sub_path_rel)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_ADDED)
self.assertEqual(len(changes), 1)
# readd notification requests
root_notify = self.smb_conn.notify(fnum=root_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
test_dir_notify = self.smb_conn.notify(fnum=test_dir_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# make sure we didn't receive any changes yet.
self.smb_conn.echo()
changes = root_notify.get_changes(wait=False)
self.assertIsNone(changes)
changes = test_dir_notify.get_changes(wait=False)
self.assertIsNone(changes)
# remove test dir and trigger notifications
self.smb_conn.rmdir(sub_path_full)
# check for 'removed' notifications
changes = root_notify.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], sub_path_full)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_REMOVED)
self.assertEqual(len(changes), 1)
changes = test_dir_notify.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], sub_path_rel)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_REMOVED)
self.assertEqual(len(changes), 1)
# readd notification requests
root_notify = self.smb_conn.notify(fnum=root_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
test_dir_notify = self.smb_conn.notify(fnum=test_dir_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# make sure we didn't receive any changes yet.
self.smb_conn.echo()
changes = root_notify.get_changes(wait=False)
self.assertIsNone(changes)
changes = test_dir_notify.get_changes(wait=False)
self.assertIsNone(changes)
# closing the handle on test_dir will trigger
# a NOTIFY_CLEANUP on test_dir_notify and
# it also seems to update something on test_dir it self
# and post a MODIFIED on root_notify
#
# TODO: find out why windows generates ACTION_MODIFIED
# and why Samba doesn't
self.smb_conn.close(test_dir_fnum)
try:
changes = test_dir_notify.get_changes(wait=True)
self.fail()
except samba.NTSTATUSError as err:
self.assertEqual(err.args[0], NT_STATUS_NOTIFY_CLEANUP)
self.smb_conn.echo()
changes = root_notify.get_changes(wait=False)
if self.strict_checking:
self.assertIsNotNone(changes)
if changes is not None:
self.assertEqual(changes[0]['name'], test_dir)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_MODIFIED)
self.assertEqual(len(changes), 1)
# readd notification request
root_notify = self.smb_conn.notify(fnum=root_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# make sure we didn't receive any changes yet.
self.smb_conn.echo()
changes = root_notify.get_changes(wait=False)
self.assertIsNone(changes)
# remove test_dir
self.smb_conn.rmdir(dir_path)
# check for 'removed' notifications
changes = root_notify.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], dir_path)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_REMOVED)
self.assertEqual(len(changes), 1)
# readd notification request
root_notify = self.smb_conn.notify(fnum=root_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# closing the handle on test_dir will trigger
# a NOTIFY_CLEANUP on root_notify
self.smb_conn.close(root_fnum)
try:
changes = root_notify.get_changes(wait=True)
self.fail()
except samba.NTSTATUSError as err:
self.assertEqual(err.args[0], NT_STATUS_NOTIFY_CLEANUP)
def _test_notify_privileged_path(self,
monitor_path=None,
rel_prefix=None):
self.connect_unpriv()
domain_sid = security.dom_sid() # we just use S-0-0
smb_helper = ntacls.SMBHelper(self.smb_conn, domain_sid)
private_name = "private"
private_rel = self.make_path(rel_prefix, private_name)
private_path = self.make_path(test_dir, private_name)
# create a private test directory
self.smb_conn.mkdir(private_path)
# Get the security descriptor and replace it
# with a one that only grants access to SYSTEM and the
# owner.
private_path_sd_old = smb_helper.get_acl(private_path)
private_path_sd_new = security.descriptor()
private_path_sd_new.type = private_path_sd_old.type
private_path_sd_new.revision = private_path_sd_old.revision
private_path_sd_new = security.descriptor.from_sddl("G:BAD:(A;;0x%x;;;%s)(A;;0x%x;;;%s)" % (
security.SEC_RIGHTS_DIR_ALL,
security.SID_NT_SYSTEM,
security.SEC_RIGHTS_DIR_ALL,
str(private_path_sd_old.owner_sid)),
domain_sid)
private_path_sd_new.type |= security.SEC_DESC_SELF_RELATIVE
private_path_sd_new.type |= security.SEC_DESC_DACL_PROTECTED
set_secinfo = security.SECINFO_GROUP | security.SECINFO_DACL | security.SECINFO_PROTECTED_DACL
smb_helper.set_acl(private_path, private_path_sd_new, sinfo=set_secinfo)
# setup notification request as privileged user
monitor_priv_fnum = self.smb_conn.create(Name=monitor_path, ShareAccess=1)
notify_priv = self.smb_conn.notify(fnum=monitor_priv_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# setup notification request as unprivileged user
monitor_unpriv_fnum = self.smb_conn_unpriv.create(Name=monitor_path, ShareAccess=1)
notify_unpriv = self.smb_conn_unpriv.notify(fnum=monitor_unpriv_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# make sure we didn't receive any changes yet.
self.smb_conn.echo()
changes = notify_priv.get_changes(wait=False)
self.assertIsNone(changes)
self.smb_conn_unpriv.echo()
changes = notify_unpriv.get_changes(wait=False)
self.assertIsNone(changes)
# trigger notification in the private dir
new_name = 'test-new'
new_rel = self.make_path(private_rel, new_name)
new_path = self.make_path(private_path, new_name)
self.smb_conn.mkdir(new_path)
# check that only the privileged user received the changes
changes = notify_priv.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], new_rel)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_ADDED)
self.assertEqual(len(changes), 1)
notify_priv = self.smb_conn.notify(fnum=monitor_priv_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# check that the unprivileged user does not receives the changes
self.smb_conn_unpriv.echo()
changes = notify_unpriv.get_changes(wait=False)
self.assertIsNone(changes)
# and there's no additional change for the privileged user
self.smb_conn.echo()
changes = notify_priv.get_changes(wait=False)
self.assertIsNone(changes)
# trigger notification in the private dir
self.smb_conn.rmdir(new_path)
# check that only the privileged user received the changes
changes = notify_priv.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], new_rel)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_REMOVED)
self.assertEqual(len(changes), 1)
notify_priv = self.smb_conn.notify(fnum=monitor_priv_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# check that the unprivileged user does not receives the changes
self.smb_conn_unpriv.echo()
changes = notify_unpriv.get_changes(wait=False)
self.assertIsNone(changes)
# and there's no additional change for the privileged user
self.smb_conn.echo()
changes = notify_priv.get_changes(wait=False)
self.assertIsNone(changes)
# trigger notification for both
self.smb_conn.rmdir(private_path)
# check that both get the notification
changes = notify_unpriv.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], private_rel)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_REMOVED)
self.assertEqual(len(changes), 1)
notify_unpriv = self.smb_conn_unpriv.notify(fnum=monitor_unpriv_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
changes = notify_priv.get_changes(wait=True)
self.assertIsNotNone(changes)
self.assertEqual(changes[0]['name'], private_rel)
self.assertEqual(changes[0]['action'], libsmb.NOTIFY_ACTION_REMOVED)
self.assertEqual(len(changes), 1)
notify_priv = self.smb_conn.notify(fnum=monitor_priv_fnum,
buffer_size=0xffff,
completion_filter=libsmb.FILE_NOTIFY_CHANGE_ALL,
recursive=True)
# check that the unprivileged user does not receives the changes
self.smb_conn_unpriv.echo()
changes = notify_unpriv.get_changes(wait=False)
self.assertIsNone(changes)
# and there's no additional change for the privileged user
self.smb_conn.echo()
changes = notify_priv.get_changes(wait=False)
self.assertIsNone(changes)
# closing the handle on will trigger a NOTIFY_CLEANUP
self.smb_conn_unpriv.close(monitor_unpriv_fnum)
try:
changes = notify_unpriv.get_changes(wait=True)
self.fail()
except samba.NTSTATUSError as err:
self.assertEqual(err.args[0], NT_STATUS_NOTIFY_CLEANUP)
# there's no additional change for the privileged user
self.smb_conn.echo()
changes = notify_priv.get_changes(wait=False)
self.assertIsNone(changes)
# closing the handle on will trigger a NOTIFY_CLEANUP
self.smb_conn.close(monitor_priv_fnum)
try:
changes = notify_priv.get_changes(wait=True)
self.fail()
except samba.NTSTATUSError as err:
self.assertEqual(err.args[0], NT_STATUS_NOTIFY_CLEANUP)
def test_notify_privileged_test(self):
return self._test_notify_privileged_path(monitor_path=test_dir, rel_prefix="")
def test_notify_privileged_root(self):
return self._test_notify_privileged_path(monitor_path="", rel_prefix=test_dir)
if __name__ == "__main__":
import unittest
unittest.main()