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samba-mirror/python/samba/tests/smb3unix.py
Andreas Schneider e6f0e4d532 python:tests: Avoid exceptions in cleanup code if a test fails in smb3unix.py
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2023-01-26 12:15:33 +00:00

365 lines
12 KiB
Python

# Unix SMB/CIFS implementation.
# Copyright Volker Lendecke <vl@samba.org> 2022
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from samba.samba3 import libsmb_samba_internal as libsmb
from samba import NTSTATUSError,ntstatus
import samba.tests.libsmb
from samba.dcerpc import security
from samba.common import get_string
def posix_context(mode):
return (libsmb.SMB2_CREATE_TAG_POSIX, mode.to_bytes(4, 'little'))
class Smb3UnixTests(samba.tests.libsmb.LibsmbTests):
def enable_smb3unix(self):
with open(self.global_inject, 'w') as f:
f.write("smb3 unix extensions = yes\n")
def disable_smb3unix(self):
with open(self.global_inject, 'w') as f:
f.truncate()
def test_negotiate_context_posix(self):
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"tmp",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
finally:
self.disable_smb3unix()
def test_negotiate_context_noposix(self):
c = libsmb.Conn(
self.server_ip,
"tmp",
self.lp,
self.creds,
posix=True)
self.assertFalse(c.have_posix())
def test_negotiate_context_posix_invalid_length(self):
try:
self.enable_smb3unix()
with self.assertRaises(NTSTATUSError) as cm:
c = libsmb.Conn(
self.server_ip,
"tmp",
self.lp,
self.creds,
negotiate_contexts=[(0x100, b'01234')])
e = cm.exception
self.assertEqual(e.args[0], ntstatus.NT_STATUS_INVALID_PARAMETER)
finally:
self.disable_smb3unix()
def test_negotiate_context_posix_invalid_blob(self):
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"tmp",
self.lp,
self.creds,
negotiate_contexts=[(0x100, b'0123456789012345')])
self.assertFalse(c.have_posix())
finally:
self.disable_smb3unix()
def test_posix_create_context(self):
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"tmp",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
cc_in=[(libsmb.SMB2_CREATE_TAG_POSIX,b'0000')]
fnum,_,cc_out = c.create_ex("",CreateContexts=cc_in)
self.assertEqual(cc_in[0][0],cc_out[0][0])
c.close(fnum)
finally:
self.disable_smb3unix()
def test_posix_create_context_noposix(self):
c = libsmb.Conn(
self.server_ip,
"tmp",
self.lp,
self.creds,
posix=True)
self.assertFalse(c.have_posix())
cc_in=[(libsmb.SMB2_CREATE_TAG_POSIX,b'0000')]
fnum,_,cc_out = c.create_ex("",CreateContexts=cc_in)
self.assertEqual(len(cc_out), 0)
c.close(fnum)
def test_posix_create_invalid_context_length(self):
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"tmp",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
cc_in=[(libsmb.SMB2_CREATE_TAG_POSIX,b'00000')]
with self.assertRaises(NTSTATUSError) as cm:
fnum,_,cc_out = c.create_ex("",CreateContexts=cc_in)
e = cm.exception
self.assertEqual(e.args[0], ntstatus.NT_STATUS_INVALID_PARAMETER)
finally:
self.disable_smb3unix()
def delete_test_file(self, c, fname, mode=0):
f,_,cc_out = c.create_ex(fname,
DesiredAccess=security.SEC_STD_ALL,
CreateDisposition=libsmb.FILE_OPEN,
CreateContexts=[posix_context(mode)])
c.delete_on_close(f, True)
c.close(f)
def test_posix_query_dir(self):
test_files = []
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"smb3_posix_share",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
for i in range(10):
fname = '\\test%d' % i
f,_,cc_out = c.create_ex(fname,
CreateDisposition=libsmb.FILE_OPEN_IF,
CreateContexts=[posix_context(0o744)])
c.close(f)
test_files.append(fname)
expected_count = len(c.list(''))
self.assertNotEqual(expected_count, 0, 'No files were found')
actual_count = len(c.list('',
info_level=libsmb.SMB2_FIND_POSIX_INFORMATION,
posix=True))
self.assertEqual(actual_count-2, expected_count,
'SMB2_FIND_POSIX_INFORMATION failed to list contents')
finally:
if len(test_files) > 0:
for fname in test_files:
self.delete_test_file(c, fname)
self.disable_smb3unix()
def test_posix_reserved_char(self):
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"smb3_posix_share",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
test_files = ['a ', 'a ', '. ', '. ', 'a.',
'.a', ' \\ ', '>', '<' '?']
for fname in test_files:
try:
f,_,cc_out = c.create_ex('\\%s' % fname,
CreateDisposition=libsmb.FILE_CREATE,
DesiredAccess=security.SEC_STD_DELETE,
CreateContexts=[posix_context(0o744)])
except NTSTATUSError as e:
self.fail(e)
c.delete_on_close(f, True)
c.close(f)
finally:
self.disable_smb3unix()
def test_posix_delete_on_close(self):
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"smb3_posix_share",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
f,_,cc_out = c.create_ex('\\TESTING999',
DesiredAccess=security.SEC_STD_ALL,
CreateDisposition=libsmb.FILE_CREATE,
CreateContexts=[posix_context(0o744)])
c.delete_on_close(f, True)
c.close(f)
finally:
self.disable_smb3unix()
def test_posix_case_sensitive(self):
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"smb3_posix_share",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
f,_,cc_out = c.create_ex('\\xx',
DesiredAccess=security.SEC_STD_ALL,
CreateDisposition=libsmb.FILE_CREATE,
CreateContexts=[posix_context(0o644)])
c.close(f)
fail = False
try:
f,_,cc_out = c.create_ex('\\XX',
DesiredAccess=security.SEC_STD_ALL,
CreateDisposition=libsmb.FILE_OPEN,
CreateContexts=[posix_context(0)])
except NTSTATUSError:
pass
else:
fail = True
c.close(f)
self.assertFalse(fail, "Opening uppercase file didn't fail")
finally:
self.delete_test_file(c, '\\xx')
self.disable_smb3unix()
def test_posix_perm_files(self):
test_files = {}
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"smb3_posix_share",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
for perm in range(0o600, 0o7777+1):
# Owner write permission is required or cleanup will fail, and
# owner read is required to list the file if O_PATH is disabled
if perm & 0o600 != 0o600:
continue
# Don't create with setuid or setgid.
if perm & 0o6000 != 0:
continue
fname = 'testfile%04o' % perm
test_files[fname] = perm
f,_,cc_out = c.create_ex('\\%s' % fname,
DesiredAccess=security.SEC_STD_ALL,
CreateDisposition=libsmb.FILE_CREATE,
CreateContexts=[posix_context(perm)])
c.close(f)
dname = 'testdir%04o' % perm
test_files[dname] = perm
f,_,cc_out = c.create_ex('\\%s' % dname,
DesiredAccess=security.SEC_STD_ALL,
CreateDisposition=libsmb.FILE_CREATE,
CreateOptions=libsmb.FILE_DIRECTORY_FILE,
CreateContexts=[posix_context(perm)])
c.close(f)
res = c.list("", info_level=100, posix=True)
found_files = {get_string(i['name']): i['perms'] for i in res}
for fname, perm in test_files.items():
self.assertIn(get_string(fname), found_files.keys(),
'Test file not found')
self.assertEqual(test_files[fname], found_files[fname],
'Requested %04o, Received %04o' % \
(test_files[fname], found_files[fname]))
finally:
if len(test_files) > 0:
for fname in test_files.keys():
self.delete_test_file(c, '\\%s' % fname)
self.disable_smb3unix()
def test_share_root_null_sids_fid(self):
try:
self.enable_smb3unix()
c = libsmb.Conn(
self.server_ip,
"smb3_posix_share",
self.lp,
self.creds,
posix=True)
self.assertTrue(c.have_posix())
res = c.list("", info_level=100, posix=True)
found_files = {get_string(i['name']): i for i in res}
dotdot = found_files['..']
self.assertEqual('S-1-0-0', dotdot['owner_sid'],
'The owner sid for .. was not NULL')
self.assertEqual('S-1-0-0', dotdot['group_sid'],
'The group sid for .. was not NULL')
self.assertEqual(0, dotdot['ino'], 'The ino for .. was not 0')
self.assertEqual(0, dotdot['dev'], 'The dev for .. was not 0')
finally:
self.disable_smb3unix()