class GPOTests(tests.TestCase):
def setUp(self):
super(GPOTests, self).setUp()
self.server = os.environ["SERVER"]
self.dc_account = self.server.upper() + '$'
self.lp = LoadParm()
self.lp.load_default()
self.creds = self.insta_creds(template=self.get_credentials())
def tearDown(self):
super(GPOTests, self).tearDown()
def test_gpo_list(self):
global poldir, dspath
ads = gpo.ADS_STRUCT(self.server, self.lp, self.creds)
if ads.connect():
gpos = ads.get_gpo_list(self.creds.get_username())
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
names = ['Local Policy', guid]
file_sys_paths = [None, '%s\\%s' % (poldir, guid)]
ds_paths = [None, 'CN=%s,%s' % (guid, dspath)]
for i in range(0, len(gpos)):
self.assertEqual(
gpos[i].name, names[i],
'The gpo name did not match expected name %s' % gpos[i].name)
self.assertEqual(
gpos[i].file_sys_path, file_sys_paths[i],
'file_sys_path did not match expected %s' %
gpos[i].file_sys_path)
self.assertEqual(
gpos[i].ds_path, ds_paths[i],
'ds_path did not match expected %s' % gpos[i].ds_path)
def test_gpo_ads_does_not_segfault(self):
try:
ads = gpo.ADS_STRUCT(self.server, 42, self.creds)
except:
pass
def test_gpt_version(self):
global gpt_data
local_path = self.lp.cache_path('gpo_cache')
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
gpo_path = os.path.join(local_path, policies, guid)
old_vers = gpo.gpo_get_sysvol_gpt_version(gpo_path)[1]
with open(os.path.join(gpo_path, 'GPT.INI'), 'w') as gpt:
gpt.write(gpt_data % 42)
self.assertEqual(
gpo.gpo_get_sysvol_gpt_version(gpo_path)[1], 42,
'gpo_get_sysvol_gpt_version() did not return the expected version')
with open(os.path.join(gpo_path, 'GPT.INI'), 'w') as gpt:
gpt.write(gpt_data % old_vers)
self.assertEqual(
gpo.gpo_get_sysvol_gpt_version(gpo_path)[1], old_vers,
'gpo_get_sysvol_gpt_version() did not return the expected version')
def test_check_refresh_gpo_list(self):
cache = self.lp.cache_path('gpo_cache')
ads = gpo.ADS_STRUCT(self.server, self.lp, self.creds)
if ads.connect():
gpos = ads.get_gpo_list(self.creds.get_username())
check_refresh_gpo_list(self.server, self.lp, self.creds, gpos)
self.assertTrue(os.path.exists(cache),
'GPO cache %s was not created' % cache)
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
gpt_ini = os.path.join(cache, policies, guid, 'GPT.INI')
self.assertTrue(os.path.exists(gpt_ini),
'GPT.INI was not cached for %s' % guid)
def test_check_refresh_gpo_list_malicious_paths(self):
# the path cannot contain ..
path = '/usr/local/samba/var/locks/sysvol/../../../../../../root/'
self.assertRaises(OSError, check_safe_path, path)
self.assertEqual(check_safe_path('/etc/passwd'), 'etc/passwd')
self.assertEqual(check_safe_path('\\\\etc/\\passwd'), 'etc/passwd')
# there should be no backslashes used to delineate paths
before = 'sysvol/' + realm + '\\Policies/' \
'{31B2F340-016D-11D2-945F-00C04FB984F9}\\GPT.INI'
after = realm + '/Policies/' \
'{31B2F340-016D-11D2-945F-00C04FB984F9}/GPT.INI'
result = check_safe_path(before)
self.assertEqual(
result, after, 'check_safe_path() didn\'t'
' correctly convert \\ to /')
def test_gpt_ext_register(self):
this_path = os.path.dirname(os.path.realpath(__file__))
samba_path = os.path.realpath(os.path.join(this_path, '../../../'))
ext_path = os.path.join(samba_path, 'python/samba/gp_sec_ext.py')
ext_guid = '{827D319E-6EAC-11D2-A4EA-00C04F79F83A}'
ret = register_gp_extension(ext_guid,
'gp_access_ext',
ext_path,
smb_conf=self.lp.configfile,
machine=True,
user=False)
self.assertTrue(ret, 'Failed to register a gp ext')
gp_exts = list_gp_extensions(self.lp.configfile)
self.assertTrue(ext_guid in gp_exts.keys(), 'Failed to list gp exts')
self.assertEqual(gp_exts[ext_guid]['DllName'], ext_path,
'Failed to list gp exts')
unregister_gp_extension(ext_guid)
gp_exts = list_gp_extensions(self.lp.configfile)
self.assertTrue(ext_guid not in gp_exts.keys(),
'Failed to unregister gp exts')
self.assertTrue(check_guid(ext_guid), 'Failed to parse valid guid')
self.assertFalse(check_guid('AAAAAABBBBBBBCCC'), 'Parsed invalid guid')
lp, parser = parse_gpext_conf(self.lp.configfile)
self.assertTrue(lp and parser, 'parse_gpext_conf() invalid return')
parser.add_section('test_section')
parser.set('test_section', 'test_var', ext_guid)
atomic_write_conf(lp, parser)
lp, parser = parse_gpext_conf(self.lp.configfile)
self.assertTrue('test_section' in parser.sections(),
'test_section not found in gpext.conf')
self.assertEqual(parser.get('test_section', 'test_var'), ext_guid,
'Failed to find test variable in gpext.conf')
parser.remove_section('test_section')
atomic_write_conf(lp, parser)
def test_gp_log_get_applied(self):
local_path = self.lp.get('path', 'sysvol')
guids = [
'{31B2F340-016D-11D2-945F-00C04FB984F9}',
'{6AC1786C-016F-11D2-945F-00C04FB984F9}'
]
gpofile = '%s/' + realm + '/Policies/%s/MACHINE/Microsoft/' \
'Windows NT/SecEdit/GptTmpl.inf'
stage = '[System Access]\nMinimumPasswordAge = 998\n'
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
for guid in guids:
gpttmpl = gpofile % (local_path, guid)
ret = stage_file(gpttmpl, stage)
self.assertTrue(ret, 'Could not create the target %s' % gpttmpl)
ret = gpupdate_force(self.lp)
self.assertEqual(ret, 0, 'gpupdate force failed')
gp_db = store.get_gplog(self.dc_account)
applied_guids = gp_db.get_applied_guids()
self.assertEqual(len(applied_guids), 2, 'The guids were not found')
self.assertIn(guids[0], applied_guids,
'%s not in applied guids' % guids[0])
self.assertIn(guids[1], applied_guids,
'%s not in applied guids' % guids[1])
applied_settings = gp_db.get_applied_settings(applied_guids)
for policy in applied_settings:
self.assertIn('System Access', policy[1],
'System Access policies not set')
self.assertIn('minPwdAge', policy[1]['System Access'],
'minPwdAge policy not set')
if policy[0] == guids[0]:
self.assertEqual(int(policy[1]['System Access']['minPwdAge']),
days2rel_nttime(1),
'minPwdAge policy not set')
elif policy[0] == guids[1]:
self.assertEqual(int(policy[1]['System Access']['minPwdAge']),
days2rel_nttime(998),
'minPwdAge policy not set')
ads = gpo.ADS_STRUCT(self.server, self.lp, self.creds)
if ads.connect():
gpos = ads.get_gpo_list(self.dc_account)
del_gpos = get_deleted_gpos_list(gp_db, gpos[:-1])
self.assertEqual(len(del_gpos), 1, 'Returned delete gpos is incorrect')
self.assertEqual(guids[-1], del_gpos[0][0],
'GUID for delete gpo is incorrect')
self.assertIn('System Access', del_gpos[0][1],
'System Access policies not set for removal')
self.assertIn('minPwdAge', del_gpos[0][1]['System Access'],
'minPwdAge policy not set for removal')
for guid in guids:
gpttmpl = gpofile % (local_path, guid)
unstage_file(gpttmpl)
ret = gpupdate_unapply(self.lp)
self.assertEqual(ret, 0, 'gpupdate unapply failed')
def test_process_group_policy(self):
local_path = self.lp.cache_path('gpo_cache')
guids = [
'{31B2F340-016D-11D2-945F-00C04FB984F9}',
'{6AC1786C-016F-11D2-945F-00C04FB984F9}'
]
gpofile = '%s/' + policies + '/%s/MACHINE/MICROSOFT/' \
'WINDOWS NT/SECEDIT/GPTTMPL.INF'
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
# Initialize the group policy extension
ext = gp_krb_ext(logger, self.lp, machine_creds, store)
ads = gpo.ADS_STRUCT(self.server, self.lp, machine_creds)
if ads.connect():
gpos = ads.get_gpo_list(machine_creds.get_username())
stage = '[Kerberos Policy]\nMaxTicketAge = %d\n'
opts = [100, 200]
for i in range(0, 2):
gpttmpl = gpofile % (local_path, guids[i])
ret = stage_file(gpttmpl, stage % opts[i])
self.assertTrue(ret, 'Could not create the target %s' % gpttmpl)
# Process all gpos
ext.process_group_policy([], gpos)
ret = store.get_int('kdc:user_ticket_lifetime')
self.assertEqual(ret, opts[1], 'Higher priority policy was not set')
# Remove policy
gp_db = store.get_gplog(machine_creds.get_username())
del_gpos = get_deleted_gpos_list(gp_db, [])
ext.process_group_policy(del_gpos, [])
ret = store.get_int('kdc:user_ticket_lifetime')
self.assertEqual(ret, None, 'MaxTicketAge should not have applied')
# Process just the first gpo
ext.process_group_policy([], gpos[:-1])
ret = store.get_int('kdc:user_ticket_lifetime')
self.assertEqual(ret, opts[0], 'Lower priority policy was not set')
# Remove policy
ext.process_group_policy(del_gpos, [])
for guid in guids:
gpttmpl = gpofile % (local_path, guid)
unstage_file(gpttmpl)
def test_gp_scripts(self):
local_path = self.lp.cache_path('gpo_cache')
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
reg_pol = os.path.join(local_path, policies, guid,
'MACHINE/REGISTRY.POL')
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
# Initialize the group policy extension
ext = gp_scripts_ext(logger, self.lp, machine_creds, store)
ads = gpo.ADS_STRUCT(self.server, self.lp, machine_creds)
if ads.connect():
gpos = ads.get_gpo_list(machine_creds.get_username())
reg_key = b'Software\\Policies\\Samba\\Unix Settings'
sections = {
b'%s\\Daily Scripts' % reg_key: '.cron.daily',
b'%s\\Monthly Scripts' % reg_key: '.cron.monthly',
b'%s\\Weekly Scripts' % reg_key: '.cron.weekly',
b'%s\\Hourly Scripts' % reg_key: '.cron.hourly'
}
for keyname in sections.keys():
# Stage the Registry.pol file with test data
stage = preg.file()
e = preg.entry()
e.keyname = keyname
e.valuename = b'Software\\Policies\\Samba\\Unix Settings'
e.type = 1
e.data = b'echo hello world'
stage.num_entries = 1
stage.entries = [e]
ret = stage_file(reg_pol, ndr_pack(stage))
self.assertTrue(ret, 'Could not create the target %s' % reg_pol)
# Process all gpos, with temp output directory
with TemporaryDirectory(sections[keyname]) as dname:
ext.process_group_policy([], gpos, dname)
scripts = os.listdir(dname)
self.assertEquals(
len(scripts), 1,
'The %s script was not created' % keyname.decode())
out, _ = Popen([os.path.join(dname, scripts[0])],
stdout=PIPE).communicate()
self.assertIn(b'hello world', out,
'%s script execution failed' % keyname.decode())
# Remove policy
gp_db = store.get_gplog(machine_creds.get_username())
del_gpos = get_deleted_gpos_list(gp_db, [])
ext.process_group_policy(del_gpos, [])
self.assertEquals(len(os.listdir(dname)), 0,
'Unapply failed to cleanup scripts')
# Unstage the Registry.pol file
unstage_file(reg_pol)
def test_gp_sudoers(self):
local_path = self.lp.cache_path('gpo_cache')
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
reg_pol = os.path.join(local_path, policies, guid,
'MACHINE/REGISTRY.POL')
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
# Initialize the group policy extension
ext = gp_sudoers_ext(logger, self.lp, machine_creds, store)
ads = gpo.ADS_STRUCT(self.server, self.lp, machine_creds)
if ads.connect():
gpos = ads.get_gpo_list(machine_creds.get_username())
# Stage the Registry.pol file with test data
stage = preg.file()
e = preg.entry()
e.keyname = b'Software\\Policies\\Samba\\Unix Settings\\Sudo Rights'
e.valuename = b'Software\\Policies\\Samba\\Unix Settings'
e.type = 1
e.data = b'fakeu ALL=(ALL) NOPASSWD: ALL'
stage.num_entries = 1
stage.entries = [e]
ret = stage_file(reg_pol, ndr_pack(stage))
self.assertTrue(ret, 'Could not create the target %s' % reg_pol)
# Process all gpos, with temp output directory
with TemporaryDirectory() as dname:
ext.process_group_policy([], gpos, dname)
sudoers = os.listdir(dname)
self.assertEquals(len(sudoers), 1,
'The sudoer file was not created')
self.assertIn(e.data,
open(os.path.join(dname, sudoers[0]), 'r').read(),
'The sudoers entry was not applied')
# Remove policy
gp_db = store.get_gplog(machine_creds.get_username())
del_gpos = get_deleted_gpos_list(gp_db, [])
ext.process_group_policy(del_gpos, [])
self.assertEquals(len(os.listdir(dname)), 0,
'Unapply failed to cleanup scripts')
# Unstage the Registry.pol file
unstage_file(reg_pol)
def test_gp_inf_ext_utf(self):
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
ext = gp_inf_ext(logger, self.lp, machine_creds, store)
test_data = '[Kerberos Policy]\nMaxTicketAge = 99\n'
with NamedTemporaryFile() as f:
with codecs.open(f.name, 'w', 'utf-16') as w:
w.write(test_data)
try:
inf_conf = ext.read(f.name)
except UnicodeDecodeError:
self.fail('Failed to parse utf-16')
self.assertIn('Kerberos Policy', inf_conf.keys(),
'Kerberos Policy was not read from the file')
self.assertEquals(inf_conf.get('Kerberos Policy', 'MaxTicketAge'),
'99', 'MaxTicketAge was not read from the file')
with NamedTemporaryFile() as f:
with codecs.open(f.name, 'w', 'utf-8') as w:
w.write(test_data)
inf_conf = ext.read(f.name)
self.assertIn('Kerberos Policy', inf_conf.keys(),
'Kerberos Policy was not read from the file')
self.assertEquals(inf_conf.get('Kerberos Policy', 'MaxTicketAge'),
'99', 'MaxTicketAge was not read from the file')
def test_rsop(self):
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
local_path = self.lp.cache_path('gpo_cache')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
ads = gpo.ADS_STRUCT(self.server, self.lp, machine_creds)
if ads.connect():
gpos = ads.get_gpo_list(machine_creds.get_username())
gp_extensions = []
gp_extensions.append(gp_krb_ext)
gp_extensions.append(gp_scripts_ext)
gp_extensions.append(gp_sudoers_ext)
gp_extensions.append(gp_smb_conf_ext)
gp_extensions.append(gp_msgs_ext)
# Create registry stage data
reg_pol = os.path.join(local_path, policies, '%s/MACHINE/REGISTRY.POL')
reg_stage = preg.file()
e = preg.entry()
e.keyname = b'Software\\Policies\\Samba\\Unix Settings\\Daily Scripts'
e.valuename = b'Software\\Policies\\Samba\\Unix Settings'
e.type = 1
e.data = b'echo hello world'
e2 = preg.entry()
e2.keyname = b'Software\\Policies\\Samba\\Unix Settings\\Sudo Rights'
e2.valuename = b'Software\\Policies\\Samba\\Unix Settings'
e2.type = 1
e2.data = b'fakeu ALL=(ALL) NOPASSWD: ALL'
e3 = preg.entry()
e3.keyname = 'Software\\Policies\\Samba\\smb_conf\\apply group policies'
e3.type = 4
e3.data = 1
e3.valuename = 'apply group policies'
e4 = preg.entry()
e4.keyname = b'Software\\Policies\\Samba\\Unix Settings\\Messages'
e4.valuename = b'issue'
e4.type = 1
e4.data = b'Welcome to \\s \\r \\l'
reg_stage.num_entries = 4
reg_stage.entries = [e, e2, e3, e4]
# Create krb stage date
gpofile = os.path.join(local_path, policies, '%s/MACHINE/MICROSOFT/' \
'WINDOWS NT/SECEDIT/GPTTMPL.INF')
krb_stage = '[Kerberos Policy]\nMaxTicketAge = 99\n'
for g in [g for g in gpos if g.file_sys_path]:
ret = stage_file(gpofile % g.name, krb_stage)
self.assertTrue(
ret, 'Could not create the target %s' % (gpofile % g.name))
ret = stage_file(reg_pol % g.name, ndr_pack(reg_stage))
self.assertTrue(
ret, 'Could not create the target %s' % (reg_pol % g.name))
for ext in gp_extensions:
ext = ext(logger, self.lp, machine_creds, store)
ret = ext.rsop(g)
self.assertEquals(
len(ret.keys()), 1,
'A single policy should have been displayed')
# Check the Security Extension
if type(ext) == gp_krb_ext:
self.assertIn('Kerberos Policy', ret.keys(),
'Kerberos Policy not found')
self.assertIn('MaxTicketAge', ret['Kerberos Policy'],
'MaxTicketAge setting not found')
self.assertEquals(ret['Kerberos Policy']['MaxTicketAge'],
'99', 'MaxTicketAge was not set to 99')
# Check the Scripts Extension
elif type(ext) == gp_scripts_ext:
self.assertIn('Daily Scripts', ret.keys(),
'Daily Scripts not found')
self.assertIn('echo hello world', ret['Daily Scripts'],
'Daily script was not created')
# Check the Sudoers Extension
elif type(ext) == gp_sudoers_ext:
self.assertIn('Sudo Rights', ret.keys(),
'Sudoers not found')
self.assertIn('fakeu ALL=(ALL) NOPASSWD: ALL',
ret['Sudo Rights'],
'Sudoers policy not created')
# Check the smb.conf Extension
elif type(ext) == gp_smb_conf_ext:
self.assertIn('smb.conf', ret.keys(),
'apply group policies was not applied')
self.assertIn(e3.valuename, ret['smb.conf'],
'apply group policies was not applied')
self.assertEquals(ret['smb.conf'][e3.valuename], e3.data,
'apply group policies was not set')
# Check the Messages Extension
elif type(ext) == gp_msgs_ext:
self.assertIn('/etc/issue', ret,
'Login Prompt Message not applied')
self.assertEquals(ret['/etc/issue'], e4.data,
'Login Prompt Message not set')
unstage_file(gpofile % g.name)
unstage_file(reg_pol % g.name)
# Check that a call to gpupdate --rsop also succeeds
ret = rsop(self.lp)
self.assertEquals(ret, 0, 'gpupdate --rsop failed!')
def test_gp_unapply(self):
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
local_path = self.lp.cache_path('gpo_cache')
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
ads = gpo.ADS_STRUCT(self.server, self.lp, machine_creds)
if ads.connect():
gpos = ads.get_gpo_list(machine_creds.get_username())
gp_extensions = []
gp_extensions.append(gp_krb_ext)
gp_extensions.append(gp_scripts_ext)
gp_extensions.append(gp_sudoers_ext)
# Create registry stage data
reg_pol = os.path.join(local_path, policies, '%s/MACHINE/REGISTRY.POL')
reg_stage = preg.file()
e = preg.entry()
e.keyname = b'Software\\Policies\\Samba\\Unix Settings\\Daily Scripts'
e.valuename = b'Software\\Policies\\Samba\\Unix Settings'
e.type = 1
e.data = b'echo hello world'
e2 = preg.entry()
e2.keyname = b'Software\\Policies\\Samba\\Unix Settings\\Sudo Rights'
e2.valuename = b'Software\\Policies\\Samba\\Unix Settings'
e2.type = 1
e2.data = b'fakeu ALL=(ALL) NOPASSWD: ALL'
reg_stage.num_entries = 2
reg_stage.entries = [e, e2]
# Create krb stage date
gpofile = os.path.join(local_path, policies, '%s/MACHINE/MICROSOFT/' \
'WINDOWS NT/SECEDIT/GPTTMPL.INF')
krb_stage = '[Kerberos Policy]\nMaxTicketAge = 99\n'
ret = stage_file(gpofile % guid, krb_stage)
self.assertTrue(ret,
'Could not create the target %s' % (gpofile % guid))
ret = stage_file(reg_pol % guid, ndr_pack(reg_stage))
self.assertTrue(ret,
'Could not create the target %s' % (reg_pol % guid))
# Process all gpos, with temp output directory
remove = []
with TemporaryDirectory() as dname:
for ext in gp_extensions:
ext = ext(logger, self.lp, machine_creds, store)
if type(ext) == gp_krb_ext:
ext.process_group_policy([], gpos)
ret = store.get_int('kdc:user_ticket_lifetime')
self.assertEqual(ret, 99, 'Kerberos policy was not set')
elif type(ext) in [gp_scripts_ext, gp_sudoers_ext]:
ext.process_group_policy([], gpos, dname)
gp_db = store.get_gplog(machine_creds.get_username())
applied_settings = gp_db.get_applied_settings([guid])
for _, fname in applied_settings[-1][-1][str(ext)].items():
self.assertIn(dname, fname,
'Test file not created in tmp dir')
self.assertTrue(os.path.exists(fname),
'Test file not created')
remove.append(fname)
# Unapply policy, and ensure policies are removed
gpupdate_unapply(self.lp)
for fname in remove:
self.assertFalse(os.path.exists(fname),
'Unapply did not remove test file')
ret = store.get_int('kdc:user_ticket_lifetime')
self.assertNotEqual(ret, 99, 'Kerberos policy was not unapplied')
unstage_file(gpofile % guid)
unstage_file(reg_pol % guid)
def test_smb_conf_ext(self):
local_path = self.lp.cache_path('gpo_cache')
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
reg_pol = os.path.join(local_path, policies, guid,
'MACHINE/REGISTRY.POL')
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
ads = gpo.ADS_STRUCT(self.server, self.lp, machine_creds)
if ads.connect():
gpos = ads.get_gpo_list(machine_creds.get_username())
entries = []
e = preg.entry()
e.keyname = 'Software\\Policies\\Samba\\smb_conf\\template homedir'
e.type = 1
e.data = '/home/samba/%D/%U'
e.valuename = 'template homedir'
entries.append(e)
e = preg.entry()
e.keyname = 'Software\\Policies\\Samba\\smb_conf\\apply group policies'
e.type = 4
e.data = 1
e.valuename = 'apply group policies'
entries.append(e)
e = preg.entry()
e.keyname = 'Software\\Policies\\Samba\\smb_conf\\ldap timeout'
e.type = 4
e.data = 9999
e.valuename = 'ldap timeout'
entries.append(e)
stage = preg.file()
stage.num_entries = len(entries)
stage.entries = entries
ret = stage_file(reg_pol, ndr_pack(stage))
self.assertTrue(ret, 'Failed to create the Registry.pol file')
with NamedTemporaryFile(suffix='_smb.conf') as f:
copyfile(self.lp.configfile, f.name)
lp = LoadParm(f.name)
# Initialize the group policy extension
ext = gp_smb_conf_ext(logger, lp, machine_creds, store)
ext.process_group_policy([], gpos)
lp = LoadParm(f.name)
template_homedir = lp.get('template homedir')
self.assertEquals(template_homedir, '/home/samba/%D/%U',
'template homedir was not applied')
apply_group_policies = lp.get('apply group policies')
self.assertTrue(apply_group_policies,
'apply group policies was not applied')
ldap_timeout = lp.get('ldap timeout')
self.assertEquals(ldap_timeout, 9999,
'ldap timeout was not applied')
# Remove policy
gp_db = store.get_gplog(machine_creds.get_username())
del_gpos = get_deleted_gpos_list(gp_db, [])
ext.process_group_policy(del_gpos, [])
lp = LoadParm(f.name)
template_homedir = lp.get('template homedir')
self.assertEquals(template_homedir,
self.lp.get('template homedir'),
'template homedir was not unapplied')
apply_group_policies = lp.get('apply group policies')
self.assertEquals(apply_group_policies,
self.lp.get('apply group policies'),
'apply group policies was not unapplied')
ldap_timeout = lp.get('ldap timeout')
self.assertEquals(ldap_timeout, self.lp.get('ldap timeout'),
'ldap timeout was not unapplied')
# Unstage the Registry.pol file
unstage_file(reg_pol)
def test_gp_motd(self):
local_path = self.lp.cache_path('gpo_cache')
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
reg_pol = os.path.join(local_path, policies, guid,
'MACHINE/REGISTRY.POL')
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
# Initialize the group policy extension
ext = gp_msgs_ext(logger, self.lp, machine_creds, store)
ads = gpo.ADS_STRUCT(self.server, self.lp, machine_creds)
if ads.connect():
gpos = ads.get_gpo_list(machine_creds.get_username())
# Stage the Registry.pol file with test data
stage = preg.file()
e1 = preg.entry()
e1.keyname = b'Software\\Policies\\Samba\\Unix Settings\\Messages'
e1.valuename = b'motd'
e1.type = 1
e1.data = b'Have a lot of fun!'
stage.num_entries = 2
e2 = preg.entry()
e2.keyname = b'Software\\Policies\\Samba\\Unix Settings\\Messages'
e2.valuename = b'issue'
e2.type = 1
e2.data = b'Welcome to \\s \\r \\l'
stage.entries = [e1, e2]
ret = stage_file(reg_pol, ndr_pack(stage))
self.assertTrue(ret, 'Could not create the target %s' % reg_pol)
# Process all gpos, with temp output directory
with TemporaryDirectory() as dname:
ext.process_group_policy([], gpos, dname)
motd_file = os.path.join(dname, 'motd')
self.assertTrue(os.path.exists(motd_file),
'Message of the day file not created')
data = open(motd_file, 'r').read()
self.assertEquals(data, e1.data, 'Message of the day not applied')
issue_file = os.path.join(dname, 'issue')
self.assertTrue(os.path.exists(issue_file),
'Login Prompt Message file not created')
data = open(issue_file, 'r').read()
self.assertEquals(data, e2.data,
'Login Prompt Message not applied')
# Unapply policy, and ensure the test files are removed
gp_db = store.get_gplog(machine_creds.get_username())
del_gpos = get_deleted_gpos_list(gp_db, [])
ext.process_group_policy(del_gpos, [], dname)
data = open(motd_file, 'r').read()
self.assertFalse(data, 'Message of the day file not removed')
data = open(issue_file, 'r').read()
self.assertFalse(data, 'Login Prompt Message file not removed')
# Unstage the Registry.pol file
unstage_file(reg_pol)
class GPOTests(tests.TestCase):
def setUp(self):
super(GPOTests, self).setUp()
self.server = os.environ["SERVER"]
self.lp = LoadParm()
self.lp.load_default()
self.creds = self.insta_creds(template=self.get_credentials())
def tearDown(self):
super(GPOTests, self).tearDown()
def test_gpo_list(self):
global poldir, dspath
ads = gpo.ADS_STRUCT(self.server, self.lp, self.creds)
if ads.connect():
gpos = ads.get_gpo_list(self.creds.get_username())
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
names = ['Local Policy', guid]
file_sys_paths = [None, '%s\\%s' % (poldir, guid)]
ds_paths = [None, 'CN=%s,%s' % (guid, dspath)]
for i in range(0, len(gpos)):
self.assertEquals(
gpos[i].name, names[i],
'The gpo name did not match expected name %s' % gpos[i].name)
self.assertEquals(
gpos[i].file_sys_path, file_sys_paths[i],
'file_sys_path did not match expected %s' %
gpos[i].file_sys_path)
self.assertEquals(
gpos[i].ds_path, ds_paths[i],
'ds_path did not match expected %s' % gpos[i].ds_path)
def test_gpo_ads_does_not_segfault(self):
try:
ads = gpo.ADS_STRUCT(self.server, 42, self.creds)
except:
pass
def test_gpt_version(self):
global gpt_data
local_path = self.lp.cache_path('gpo_cache')
policies = 'ADDOM.SAMBA.EXAMPLE.COM/POLICIES'
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
gpo_path = os.path.join(local_path, policies, guid)
old_vers = gpo.gpo_get_sysvol_gpt_version(gpo_path)[1]
with open(os.path.join(gpo_path, 'GPT.INI'), 'w') as gpt:
gpt.write(gpt_data % 42)
self.assertEquals(
gpo.gpo_get_sysvol_gpt_version(gpo_path)[1], 42,
'gpo_get_sysvol_gpt_version() did not return the expected version')
with open(os.path.join(gpo_path, 'GPT.INI'), 'w') as gpt:
gpt.write(gpt_data % old_vers)
self.assertEquals(
gpo.gpo_get_sysvol_gpt_version(gpo_path)[1], old_vers,
'gpo_get_sysvol_gpt_version() did not return the expected version')
def test_check_refresh_gpo_list(self):
cache = self.lp.cache_path('gpo_cache')
ads = gpo.ADS_STRUCT(self.server, self.lp, self.creds)
if ads.connect():
gpos = ads.get_gpo_list(self.creds.get_username())
check_refresh_gpo_list(self.server, self.lp, self.creds, gpos)
self.assertTrue(os.path.exists(cache),
'GPO cache %s was not created' % cache)
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
gpt_ini = os.path.join(cache, 'ADDOM.SAMBA.EXAMPLE.COM/POLICIES', guid,
'GPT.INI')
self.assertTrue(os.path.exists(gpt_ini),
'GPT.INI was not cached for %s' % guid)
def test_check_refresh_gpo_list_malicious_paths(self):
# the path cannot contain ..
path = '/usr/local/samba/var/locks/sysvol/../../../../../../root/'
self.assertRaises(OSError, check_safe_path, path)
self.assertEqual(check_safe_path('/etc/passwd'), 'etc/passwd')
self.assertEqual(check_safe_path('\\\\etc/\\passwd'), 'etc/passwd')
# there should be no backslashes used to delineate paths
before = 'sysvol/addom.samba.example.com\\Policies/' \
'{31B2F340-016D-11D2-945F-00C04FB984F9}\\GPT.INI'
after = 'addom.samba.example.com/Policies/' \
'{31B2F340-016D-11D2-945F-00C04FB984F9}/GPT.INI'
result = check_safe_path(before)
self.assertEquals(
result, after, 'check_safe_path() didn\'t'
' correctly convert \\ to /')
def test_gpt_ext_register(self):
this_path = os.path.dirname(os.path.realpath(__file__))
samba_path = os.path.realpath(os.path.join(this_path, '../../../'))
ext_path = os.path.join(samba_path, 'python/samba/gp_sec_ext.py')
ext_guid = '{827D319E-6EAC-11D2-A4EA-00C04F79F83A}'
ret = register_gp_extension(ext_guid,
'gp_sec_ext',
ext_path,
smb_conf=self.lp.configfile,
machine=True,
user=False)
self.assertTrue(ret, 'Failed to register a gp ext')
gp_exts = list_gp_extensions(self.lp.configfile)
self.assertTrue(ext_guid in gp_exts.keys(), 'Failed to list gp exts')
self.assertEquals(gp_exts[ext_guid]['DllName'], ext_path,
'Failed to list gp exts')
unregister_gp_extension(ext_guid)
gp_exts = list_gp_extensions(self.lp.configfile)
self.assertTrue(ext_guid not in gp_exts.keys(),
'Failed to unregister gp exts')
self.assertTrue(check_guid(ext_guid), 'Failed to parse valid guid')
self.assertFalse(check_guid('AAAAAABBBBBBBCCC'), 'Parsed invalid guid')
lp, parser = parse_gpext_conf(self.lp.configfile)
self.assertTrue(lp and parser, 'parse_gpext_conf() invalid return')
parser.add_section('test_section')
parser.set('test_section', 'test_var', ext_guid)
atomic_write_conf(lp, parser)
lp, parser = parse_gpext_conf(self.lp.configfile)
self.assertTrue('test_section' in parser.sections(),
'test_section not found in gpext.conf')
self.assertEquals(parser.get('test_section', 'test_var'), ext_guid,
'Failed to find test variable in gpext.conf')
parser.remove_section('test_section')
atomic_write_conf(lp, parser)
def test_gp_log_get_applied(self):
local_path = self.lp.get('path', 'sysvol')
guids = [
'{31B2F340-016D-11D2-945F-00C04FB984F9}',
'{6AC1786C-016F-11D2-945F-00C04FB984F9}'
]
gpofile = '%s/addom.samba.example.com/Policies/%s/MACHINE/Microsoft/' \
'Windows NT/SecEdit/GptTmpl.inf'
stage = '[System Access]\nMinimumPasswordAge = 998\n'
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
for guid in guids:
gpttmpl = gpofile % (local_path, guid)
ret = stage_file(gpttmpl, stage)
self.assertTrue(ret, 'Could not create the target %s' % gpttmpl)
ret = gpupdate_force(self.lp)
self.assertEquals(ret, 0, 'gpupdate force failed')
gp_db = store.get_gplog('ADDC$')
applied_guids = gp_db.get_applied_guids()
self.assertEquals(len(applied_guids), 2, 'The guids were not found')
self.assertIn(guids[0], applied_guids,
'%s not in applied guids' % guids[0])
self.assertIn(guids[1], applied_guids,
'%s not in applied guids' % guids[1])
applied_settings = gp_db.get_applied_settings(applied_guids)
for policy in applied_settings:
self.assertIn('System Access', policy[1],
'System Access policies not set')
self.assertIn('minPwdAge', policy[1]['System Access'],
'minPwdAge policy not set')
if policy[0] == guids[0]:
self.assertEqual(int(policy[1]['System Access']['minPwdAge']),
days2rel_nttime(1),
'minPwdAge policy not set')
elif policy[0] == guids[1]:
self.assertEqual(int(policy[1]['System Access']['minPwdAge']),
days2rel_nttime(998),
'minPwdAge policy not set')
ads = gpo.ADS_STRUCT(self.server, self.lp, self.creds)
if ads.connect():
gpos = ads.get_gpo_list('ADDC$')
del_gpos = get_deleted_gpos_list(gp_db, gpos[:-1])
self.assertEqual(len(del_gpos), 1, 'Returned delete gpos is incorrect')
self.assertEqual(guids[-1], del_gpos[0][0],
'GUID for delete gpo is incorrect')
self.assertIn('System Access', del_gpos[0][1],
'System Access policies not set for removal')
self.assertIn('minPwdAge', del_gpos[0][1]['System Access'],
'minPwdAge policy not set for removal')
for guid in guids:
gpttmpl = gpofile % (local_path, guid)
unstage_file(gpttmpl)
ret = gpupdate_unapply(self.lp)
self.assertEquals(ret, 0, 'gpupdate unapply failed')
def test_process_group_policy(self):
local_path = self.lp.cache_path('gpo_cache')
guids = [
'{31B2F340-016D-11D2-945F-00C04FB984F9}',
'{6AC1786C-016F-11D2-945F-00C04FB984F9}'
]
gpofile = '%s/ADDOM.SAMBA.EXAMPLE.COM/POLICIES/%s/MACHINE/MICROSOFT/' \
'WINDOWS NT/SECEDIT/GPTTMPL.INF'
logger = logging.getLogger('gpo_tests')
cache_dir = self.lp.get('cache directory')
store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))
machine_creds = Credentials()
machine_creds.guess(self.lp)
machine_creds.set_machine_account()
# Initialize the group policy extension
ext = gp_sec_ext(logger, self.lp, machine_creds, store)
ads = gpo.ADS_STRUCT(self.server, self.lp, machine_creds)
if ads.connect():
gpos = ads.get_gpo_list(machine_creds.get_username())
stage = '[Kerberos Policy]\nMaxTicketAge = %d\n'
opts = [100, 200]
for i in range(0, 2):
gpttmpl = gpofile % (local_path, guids[i])
ret = stage_file(gpttmpl, stage % opts[i])
self.assertTrue(ret, 'Could not create the target %s' % gpttmpl)
# Process all gpos
ext.process_group_policy([], gpos)
ret = store.get_int('kdc:user_ticket_lifetime')
self.assertEqual(ret, opts[1], 'Higher priority policy was not set')
# Remove policy
gp_db = store.get_gplog(machine_creds.get_username())
del_gpos = get_deleted_gpos_list(gp_db, [])
ext.process_group_policy(del_gpos, [])
ret = store.get_int('kdc:user_ticket_lifetime')
self.assertEqual(ret, None, 'MaxTicketAge should not have applied')
# Process just the first gpo
ext.process_group_policy([], gpos[:-1])
ret = store.get_int('kdc:user_ticket_lifetime')
self.assertEqual(ret, opts[0], 'Lower priority policy was not set')
# Remove policy
ext.process_group_policy(del_gpos, [])
for guid in guids:
gpttmpl = gpofile % (local_path, guid)
unstage_file(gpttmpl)
class GPOTests(tests.TestCase):
def setUp(self):
super(GPOTests, self).setUp()
self.server = os.environ["SERVER"]
self.lp = LoadParm()
self.lp.load_default()
self.creds = self.insta_creds(template=self.get_credentials())
def tearDown(self):
super(GPOTests, self).tearDown()
def test_gpo_list(self):
global poldir, dspath
ads = gpo.ADS_STRUCT(self.server, self.lp, self.creds)
if ads.connect():
gpos = ads.get_gpo_list(self.creds.get_username())
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
names = ['Local Policy', guid]
file_sys_paths = [None, '%s\\%s' % (poldir, guid)]
ds_paths = [None, 'CN=%s,%s' % (guid, dspath)]
for i in range(0, len(gpos)):
self.assertEquals(gpos[i].name, names[i],
'The gpo name did not match expected name %s' % gpos[i].name)
self.assertEquals(gpos[i].file_sys_path, file_sys_paths[i],
'file_sys_path did not match expected %s' % gpos[i].file_sys_path)
self.assertEquals(gpos[i].ds_path, ds_paths[i],
'ds_path did not match expected %s' % gpos[i].ds_path)
def test_gpo_ads_does_not_segfault(self):
try:
ads = gpo.ADS_STRUCT(self.server, 42, self.creds)
except:
pass
def test_gpt_version(self):
global gpt_data
local_path = self.lp.cache_path('gpo_cache')
policies = 'ADDOM.SAMBA.EXAMPLE.COM/POLICIES'
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
gpo_path = os.path.join(local_path, policies, guid)
old_vers = gpo.gpo_get_sysvol_gpt_version(gpo_path)[1]
with open(os.path.join(gpo_path, 'GPT.INI'), 'w') as gpt:
gpt.write(gpt_data % 42)
self.assertEquals(gpo.gpo_get_sysvol_gpt_version(gpo_path)[1], 42,
'gpo_get_sysvol_gpt_version() did not return the expected version')
with open(os.path.join(gpo_path, 'GPT.INI'), 'w') as gpt:
gpt.write(gpt_data % old_vers)
self.assertEquals(gpo.gpo_get_sysvol_gpt_version(gpo_path)[1], old_vers,
'gpo_get_sysvol_gpt_version() did not return the expected version')
def test_check_refresh_gpo_list(self):
cache = self.lp.cache_path('gpo_cache')
ads = gpo.ADS_STRUCT(self.server, self.lp, self.creds)
if ads.connect():
gpos = ads.get_gpo_list(self.creds.get_username())
check_refresh_gpo_list(self.server, self.lp, self.creds, gpos)
self.assertTrue(os.path.exists(cache),
'GPO cache %s was not created' % cache)
guid = '{31B2F340-016D-11D2-945F-00C04FB984F9}'
gpt_ini = os.path.join(cache, 'ADDOM.SAMBA.EXAMPLE.COM/POLICIES',
guid, 'GPT.INI')
self.assertTrue(os.path.exists(gpt_ini),
'GPT.INI was not cached for %s' % guid)
def test_check_refresh_gpo_list_malicious_paths(self):
# the path cannot contain ..
path = '/usr/local/samba/var/locks/sysvol/../../../../../../root/'
self.assertRaises(OSError, check_safe_path, path)
self.assertEqual(check_safe_path('/etc/passwd'), 'etc/passwd')
self.assertEqual(check_safe_path('\\\\etc/\\passwd'), 'etc/passwd')
# there should be no backslashes used to delineate paths
before = 'sysvol/addom.samba.example.com\\Policies/' \
'{31B2F340-016D-11D2-945F-00C04FB984F9}\\GPT.INI'
after = 'addom.samba.example.com/Policies/' \
'{31B2F340-016D-11D2-945F-00C04FB984F9}/GPT.INI'
result = check_safe_path(before)
self.assertEquals(result, after, 'check_safe_path() didn\'t'
' correctly convert \\ to /')
def test_gpt_ext_register(self):
this_path = os.path.dirname(os.path.realpath(__file__))
samba_path = os.path.realpath(os.path.join(this_path, '../../../'))
ext_path = os.path.join(samba_path, 'python/samba/gp_sec_ext.py')
ext_guid = '{827D319E-6EAC-11D2-A4EA-00C04F79F83A}'
ret = register_gp_extension(ext_guid, 'gp_sec_ext', ext_path,
smb_conf=self.lp.configfile,
machine=True, user=False)
self.assertTrue(ret, 'Failed to register a gp ext')
gp_exts = list_gp_extensions(self.lp.configfile)
self.assertTrue(ext_guid in gp_exts.keys(),
'Failed to list gp exts')
self.assertEquals(gp_exts[ext_guid]['DllName'], ext_path,
'Failed to list gp exts')
unregister_gp_extension(ext_guid)
gp_exts = list_gp_extensions(self.lp.configfile)
self.assertTrue(ext_guid not in gp_exts.keys(),
'Failed to unregister gp exts')
self.assertTrue(check_guid(ext_guid), 'Failed to parse valid guid')
self.assertFalse(check_guid('AAAAAABBBBBBBCCC'), 'Parsed invalid guid')
lp, parser = parse_gpext_conf(self.lp.configfile)
self.assertTrue(lp and parser, 'parse_gpext_conf() invalid return')
parser.add_section('test_section')
parser.set('test_section', 'test_var', ext_guid)
atomic_write_conf(lp, parser)
lp, parser = parse_gpext_conf(self.lp.configfile)
self.assertTrue('test_section' in parser.sections(),
'test_section not found in gpext.conf')
self.assertEquals(parser.get('test_section', 'test_var'), ext_guid,
'Failed to find test variable in gpext.conf')
parser.remove_section('test_section')
atomic_write_conf(lp, parser)
