def insta_creds(self, template=None, username=None, userpass=None, kerberos_state=None):
if template is None:
assert template is not None
if username is not None:
assert userpass is not None
if username is None:
assert userpass is None
username = template.get_username()
userpass = template.get_password()
if kerberos_state is None:
kerberos_state = template.get_kerberos_state()
# get a copy of the global creds or a the passed in creds
c = Credentials()
c.set_username(username)
c.set_password(userpass)
c.set_domain(template.get_domain())
c.set_realm(template.get_realm())
c.set_workstation(template.get_workstation())
c.set_gensec_features(c.get_gensec_features()
| gensec.FEATURE_SEAL)
c.set_kerberos_state(kerberos_state)
return c
class KCCTests(samba.tests.TestCase):
def setUp(self):
super(KCCTests, self).setUp()
self.lp = LoadParm()
self.creds = Credentials()
self.creds.guess(self.lp)
self.creds.set_username(os.environ["USERNAME"])
self.creds.set_password(os.environ["PASSWORD"])
def test_list_dsas(self):
my_kcc = kcc.KCC(unix_now, False, False, False, False)
my_kcc.load_samdb("ldap://%s" % os.environ["SERVER"],
self.lp, self.creds)
dsas = my_kcc.list_dsas()
env = os.environ['TEST_ENV']
for expected_dsa in ENV_DSAS[env]:
self.assertIn(expected_dsa, dsas)
def test_verify(self):
"""check that the KCC generates graphs that pass its own verify
option. This is not a spectacular achievement when there are
only a couple of nodes to connect, but it shows something.
"""
my_kcc = kcc.KCC(unix_now, readonly=True, verify=True,
debug=False, dot_file_dir=None)
my_kcc.run("ldap://%s" % os.environ["SERVER"],
self.lp, self.creds,
attempt_live_connections=False)
def setUp(self):
super(DrsRodcTestCase, self).setUp()
self.base_dn = self.ldb_dc1.get_default_basedn()
rand = random.randint(1, 10000000)
self.ou = "OU=test_drs_rodc%s,%s" % (rand, self.base_dn)
self.ldb_dc1.add({
"dn": self.ou,
"objectclass": "organizationalUnit"
})
self.allowed_group = "CN=Allowed RODC Password Replication Group,CN=Users,%s" % self.base_dn
self.site = self.ldb_dc1.server_site_name()
self.rodc_name = "TESTRODCDRS%s" % rand
self.rodc_pass = "******"
self.computer_dn = "CN=%s,OU=Domain Controllers,%s" % (self.rodc_name, self.base_dn)
self.rodc_ctx = dc_join(server=self.ldb_dc1.host_dns_name(), creds=self.get_credentials(), lp=self.get_loadparm(),
site=self.site, netbios_name=self.rodc_name,
targetdir=None, domain=None, machinepass=self.rodc_pass)
self._create_rodc(self.rodc_ctx)
self.rodc_ctx.create_tmp_samdb()
self.tmp_samdb = self.rodc_ctx.tmp_samdb
rodc_creds = Credentials()
rodc_creds.guess(self.rodc_ctx.lp)
rodc_creds.set_username(self.rodc_name+'$')
rodc_creds.set_password(self.rodc_pass)
self.rodc_creds = rodc_creds
(self.drs, self.drs_handle) = self._ds_bind(self.dnsname_dc1)
(self.rodc_drs, self.rodc_drs_handle) = self._ds_bind(self.dnsname_dc1, rodc_creds)
def _test_netlogon(self, binding, checkFunction):
def isLastExpectedMessage(msg):
return (
msg["type"] == "Authorization" and
msg["Authorization"]["serviceDescription"] == "DCE/RPC" and
msg["Authorization"]["authType"] == "schannel" and
msg["Authorization"]["transportProtection"] == "SEAL")
if binding:
binding = "[schannel,%s]" % binding
else:
binding = "[schannel]"
machine_creds = Credentials()
machine_creds.guess(self.get_loadparm())
machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
machine_creds.set_password(self.machinepass)
machine_creds.set_username(self.netbios_name + "$")
netlogon_conn = netlogon.netlogon("ncalrpc:%s" % binding,
self.get_loadparm(),
machine_creds)
messages = self.waitForMessages(isLastExpectedMessage, netlogon_conn)
checkFunction(messages)
def _test_netlogon(self, name, pwd, status, checkFunction):
def isLastExpectedMessage(msg):
return (
msg["type"] == "Authentication" and
msg["Authentication"]["serviceDescription"] == "NETLOGON" and
msg["Authentication"]["authDescription"] ==
"ServerAuthenticate" and
msg["Authentication"]["status"] == status)
machine_creds = Credentials()
machine_creds.guess(self.get_loadparm())
machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
machine_creds.set_password(pwd)
machine_creds.set_username(name + "$")
try:
netlogon.netlogon("ncalrpc:[schannel]",
self.get_loadparm(),
machine_creds)
self.fail("NTSTATUSError not raised")
except NTSTATUSError:
pass
messages = self.waitForMessages(isLastExpectedMessage)
checkFunction(messages)
def get_creds(self, target_username, target_password):
creds_tmp = Credentials()
creds_tmp.set_username(target_username)
creds_tmp.set_password(target_password)
creds_tmp.set_domain(creds.get_domain())
creds_tmp.set_realm(creds.get_realm())
creds_tmp.set_workstation(creds.get_workstation())
creds_tmp.set_gensec_features(creds_tmp.get_gensec_features() | gensec.FEATURE_SEAL)
return creds_tmp
def join_replicate(ctx):
'''replicate the SAM'''
print "Starting replication"
ctx.local_samdb.transaction_start()
try:
source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
if ctx.ntds_guid is None:
print("Using DS_BIND_GUID_W2K3")
destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
else:
destination_dsa_guid = ctx.ntds_guid
if ctx.RODC:
repl_creds = Credentials()
repl_creds.guess(ctx.lp)
repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
repl_creds.set_username(ctx.samname)
repl_creds.set_password(ctx.acct_pass)
else:
repl_creds = ctx.creds
binding_options = "seal"
if int(ctx.lp.get("log level")) >= 5:
binding_options += ",print"
repl = drs_utils.drs_Replicate(
"ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
ctx.lp, repl_creds, ctx.local_samdb)
repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
destination_dsa_guid, schema=True, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
repl.replicate(ctx.config_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
if not ctx.subdomain:
repl.replicate(ctx.base_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.domain_replica_flags)
if ctx.RODC:
repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
destination_dsa_guid,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
destination_dsa_guid,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
ctx.repl = repl
ctx.source_dsa_invocation_id = source_dsa_invocation_id
ctx.destination_dsa_guid = destination_dsa_guid
print "Committing SAM database"
except:
ctx.local_samdb.transaction_cancel()
raise
else:
ctx.local_samdb.transaction_commit()
class NtlmDisabledTests(TestCase):
def setUp(self):
super(NtlmDisabledTests, self).setUp()
self.lp = self.get_loadparm()
self.server = os.getenv("SERVER")
self.creds = Credentials()
self.creds.guess(self.lp)
self.creds.set_username(os.getenv("USERNAME"))
self.creds.set_domain(self.server)
self.creds.set_password(os.getenv("PASSWORD"))
self.creds.set_kerberos_state(DONT_USE_KERBEROS)
def tearDown(self):
super(NtlmDisabledTests, self).tearDown()
def test_ntlm_connection(self):
try:
conn = srvsvc.srvsvc("ncacn_np:%s[smb2,ntlm]" % self.server, self.lp, self.creds)
self.assertIsNotNone(conn)
except NTSTATUSError as e:
# NTLM might be blocked on this server
enum = ctypes.c_uint32(e[0]).value
if enum == ntstatus.NT_STATUS_NTLM_BLOCKED:
self.fail("NTLM is disabled on this server")
else:
raise
def test_samr_change_password(self):
self.creds.set_kerberos_state(MUST_USE_KERBEROS)
conn = samr.samr("ncacn_np:%s[krb5,seal,smb2]" % os.getenv("SERVER"))
# we want to check whether this gets rejected outright because NTLM is
# disabled, so we don't actually need to encrypt a valid password here
server = lsa.String()
server.string = self.server
username = lsa.String()
username.string = os.getenv("USERNAME")
try:
conn.ChangePasswordUser2(server, username, None, None, True, None, None)
except NTSTATUSError as e:
# changing passwords should be rejected when NTLM is disabled
enum = ctypes.c_uint32(e[0]).value
if enum == ntstatus.NT_STATUS_NTLM_BLOCKED:
self.fail("NTLM is disabled on this server")
elif enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
# expected error case when NTLM is enabled
pass
else:
raise
def get_creds(self, target_username, target_password):
creds_tmp = Credentials()
creds_tmp.set_username(target_username)
creds_tmp.set_password(target_password)
creds_tmp.set_domain(creds.get_domain())
creds_tmp.set_realm(creds.get_realm())
creds_tmp.set_workstation(creds.get_workstation())
creds_tmp.set_gensec_features(creds_tmp.get_gensec_features()
| gensec.FEATURE_SEAL)
creds_tmp.set_kerberos_state(DONT_USE_KERBEROS) # kinit is too expensive to use in a tight loop
return creds_tmp
def get_ldb_connection(self, target_username, target_password):
creds_tmp = Credentials()
creds_tmp.set_username(target_username)
creds_tmp.set_password(target_password)
creds_tmp.set_domain(creds.get_domain())
creds_tmp.set_realm(creds.get_realm())
creds_tmp.set_workstation(creds.get_workstation())
creds_tmp.set_gensec_features(creds_tmp.get_gensec_features()
| gensec.FEATURE_SEAL)
ldb_target = SamDB(url=ldaphost, credentials=creds_tmp, lp=lp)
return ldb_target
def get_ldb_connection(self, target_username, target_password):
creds_tmp = Credentials()
creds_tmp.set_username(target_username)
creds_tmp.set_password(target_password)
creds_tmp.set_domain(creds.get_domain())
creds_tmp.set_realm(creds.get_realm())
creds_tmp.set_workstation(creds.get_workstation())
creds_tmp.set_gensec_features(creds_tmp.get_gensec_features()
| gensec.FEATURE_SEAL)
creds_tmp.set_kerberos_state(DONT_USE_KERBEROS) # kinit is too expensive to use in a tight loop
ldb_target = SamDB(url=ldaphost, credentials=creds_tmp, lp=lp)
return ldb_target
def get_ldb_connection(self, username, password, ldaphost):
"""Returns an LDB connection using the specified user's credentials"""
creds = self.get_credentials()
creds_tmp = Credentials()
creds_tmp.set_username(username)
creds_tmp.set_password(password)
creds_tmp.set_domain(creds.get_domain())
creds_tmp.set_realm(creds.get_realm())
creds_tmp.set_workstation(creds.get_workstation())
creds_tmp.set_gensec_features(creds_tmp.get_gensec_features()
| gensec.FEATURE_SEAL)
return samba.tests.connect_samdb(ldaphost, credentials=creds_tmp)
def test_msDSRevealedUsers_using_other_RODC(self):
"""
Ensure that the machine account is tied to the destination DSA.
"""
# Create a new identical RODC with just the first letter missing
other_rodc_name = self.rodc_name[1:]
other_rodc_ctx = dc_join(server=self.ldb_dc1.host_dns_name(), creds=self.get_credentials(), lp=self.get_loadparm(),
site=self.site, netbios_name=other_rodc_name,
targetdir=None, domain=None, machinepass=self.rodc_pass)
self._create_rodc(other_rodc_ctx)
other_rodc_creds = Credentials()
other_rodc_creds.guess(other_rodc_ctx.lp)
other_rodc_creds.set_username(other_rodc_name+'$')
other_rodc_creds.set_password(self.rodc_pass)
(other_rodc_drs, other_rodc_drs_handle) = self._ds_bind(self.dnsname_dc1, other_rodc_creds)
rand = random.randint(1, 10000000)
expected_user_attributes = [drsuapi.DRSUAPI_ATTID_lmPwdHistory,
drsuapi.DRSUAPI_ATTID_supplementalCredentials,
drsuapi.DRSUAPI_ATTID_ntPwdHistory,
drsuapi.DRSUAPI_ATTID_unicodePwd,
drsuapi.DRSUAPI_ATTID_dBCSPwd]
user_name = "test_rodcF_%s" % rand
user_dn = "CN=%s,%s" % (user_name, self.ou)
self.ldb_dc1.add({
"dn": user_dn,
"objectclass": "user",
"sAMAccountName": user_name
})
# Store some secret on this user
self.ldb_dc1.setpassword("(sAMAccountName=%s)" % user_name, 'penguin12#', False, user_name)
self.ldb_dc1.add_remove_group_members("Allowed RODC Password Replication Group",
[user_name],
add_members_operation=True)
req10 = self._getnc_req10(dest_dsa=str(other_rodc_ctx.ntds_guid),
invocation_id=self.ldb_dc1.get_invocation_id(),
nc_dn_str=user_dn,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET,
partial_attribute_set=drs_get_rodc_partial_attribute_set(self.ldb_dc1, self.tmp_samdb),
max_objects=133,
replica_flags=0)
try:
(level, ctr) = self.rodc_drs.DsGetNCChanges(self.rodc_drs_handle, 10, req10)
self.fail("Successfully replicated secrets to an RODC that shouldn't have been replicated.")
except WERRORError as (enum, estr):
self.assertEquals(enum, 8630) # ERROR_DS_DRA_SECRETS_DENIED
def get_service_creds(self, allow_missing_password=False):
c = Credentials()
c.guess()
domain = samba.tests.env_get_var_value('DOMAIN')
realm = samba.tests.env_get_var_value('REALM')
username = samba.tests.env_get_var_value('SERVICE_USERNAME')
password = samba.tests.env_get_var_value(
'SERVICE_PASSWORD', allow_missing=allow_missing_password)
c.set_domain(domain)
c.set_realm(realm)
c.set_username(username)
if password is not None:
c.set_password(password)
return c
def join_replicate(ctx):
'''replicate the SAM'''
print "Starting replication"
ctx.local_samdb.transaction_start()
try:
source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
destination_dsa_guid = ctx.ntds_guid
if ctx.RODC:
repl_creds = Credentials()
repl_creds.guess(ctx.lp)
repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
repl_creds.set_username(ctx.samname)
repl_creds.set_password(ctx.acct_pass)
else:
repl_creds = ctx.creds
binding_options = "seal"
if ctx.lp.get("debug level") >= 5:
binding_options += ",print"
repl = drs_utils.drs_Replicate(
"ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
ctx.lp, repl_creds, ctx.local_samdb)
repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
destination_dsa_guid, schema=True, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
repl.replicate(ctx.config_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
repl.replicate(ctx.base_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
if ctx.RODC:
repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
destination_dsa_guid,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
destination_dsa_guid,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
print "Committing SAM database"
except:
ctx.local_samdb.transaction_cancel()
raise
else:
ctx.local_samdb.transaction_commit()
def create_account(self, name, machine_account=False, spn=None, upn=None):
'''Create an account for testing.
The dn of the created account is added to self.accounts,
which is used by tearDown to clean up the created accounts.
'''
dn = "cn=%s,%s" % (name, self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, dn)
if machine_account:
object_class = "computer"
account_name = "%s$" % name
account_control = str(UF_WORKSTATION_TRUST_ACCOUNT)
else:
object_class = "user"
account_name = name
account_control = str(UF_NORMAL_ACCOUNT)
password = generate_random_password(32, 32)
utf16pw = ('"%s"' % password).encode('utf-16-le')
details = {
"dn": dn,
"objectclass": object_class,
"sAMAccountName": account_name,
"userAccountControl": account_control,
"unicodePwd": utf16pw
}
if spn is not None:
details["servicePrincipalName"] = spn
if upn is not None:
details["userPrincipalName"] = upn
self.ldb.add(details)
creds = Credentials()
creds.guess(self.lp)
creds.set_realm(self.ldb.domain_dns_name().upper())
creds.set_domain(self.ldb.domain_netbios_name().upper())
creds.set_password(password)
creds.set_username(account_name)
if machine_account:
creds.set_workstation(name)
#
# Save the account name so it can be deleted in the tearDown
self.accounts.append(dn)
return (creds, dn)
def credenciales(username, password, parametros):
"""
Más que nada, encapsulo un par de lÃneas sobre el trabajo con Credentials()
Rompe un poco la idea de inyección, pero asà las cosas
"""
cred = Credentials()
dominio = parametros.get('workgroup')
cred.set_username(username)
cred.set_password(password)
cred.set_domain(dominio)
# TODO: ¿Este tiene algún efecto?
cred.set_workstation("")
return cred
def get_user_and_ldb(self, username, password, hostname=ldaphost):
"""Get a connection for a temporarily user that will vanish as soon as
the test is over."""
user = self.ldb.newuser(username, password)
creds_tmp = Credentials()
creds_tmp.set_username(username)
creds_tmp.set_password(password)
creds_tmp.set_domain(creds.get_domain())
creds_tmp.set_realm(creds.get_realm())
creds_tmp.set_workstation(creds.get_workstation())
creds_tmp.set_gensec_features(creds_tmp.get_gensec_features()
| gensec.FEATURE_SEAL)
creds_tmp.set_kerberos_state(DONT_USE_KERBEROS)
ldb_target = SamDB(url=hostname, credentials=creds_tmp, lp=lp)
self.addCleanup(delete_force, self.ldb, self.get_user_dn(username))
return (user, ldb_target)
def authenticate(self, usuario, password):
# Connect to samba and attempt to authenticate this user
print("SambaServer.authenticate: authenticating with %s and %s" %
(usuario, password))
lp = param.LoadParm()
badge = Credentials()
badge.guess(lp)
badge.set_username(usuario)
badge.set_password(password)
# Intento la conexion.
cx = SamDB(url='ldap://localhost', lp=lp, credentials=badge)
print("cx returned: %s" % cx)
# Get the domain from the SamDB and store it
self.domain = cx.domain_dn()
# Listo, la gracia es que si logre autenticarme con estos datos, y hay algun
# resultado de mis acciones, voy a devolver algo.
return cx
def netlogon(self):
server = os.environ["SERVER"]
host = os.environ["SERVER_IP"]
lp = self.get_loadparm()
credentials = self.get_credentials()
session = system_session()
ldb = SamDB(url="ldap://%s" % host,
session_info=session,
credentials=credentials,
lp=lp)
machine_pass = samba.generate_random_password(32, 32)
machine_name = MACHINE_NAME
machine_dn = "cn=%s,%s" % (machine_name, ldb.domain_dn())
delete_force(ldb, machine_dn)
utf16pw = ('"%s"' % get_string(machine_pass)).encode('utf-16-le')
ldb.add({
"dn":
machine_dn,
"objectclass":
"computer",
"sAMAccountName":
"%s$" % machine_name,
"userAccountControl":
str(UF_WORKSTATION_TRUST_ACCOUNT | UF_PASSWD_NOTREQD),
"unicodePwd":
utf16pw
})
machine_creds = Credentials()
machine_creds.guess(lp)
machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
machine_creds.set_kerberos_state(DONT_USE_KERBEROS)
machine_creds.set_password(machine_pass)
machine_creds.set_username(machine_name + "$")
machine_creds.set_workstation(machine_name)
netlogon.netlogon("ncacn_ip_tcp:%s[schannel,seal]" % server, lp,
machine_creds)
delete_force(ldb, machine_dn)
def get_ad_binddn_from_name(base, server, username, password):
lp = LoadParm()
creds = Credentials()
creds.guess(lp)
creds.set_username(username)
creds.set_password(password)
binddn = 'cn=%s,cn=users,%s' % (ldap.dn.escape_dn_chars(username), base)
try:
samdb = SamDB(url='ldap://%s' % server, session_info=system_session(), credentials=creds, lp=lp)
res = samdb.search(
base,
scope=ldb.SCOPE_SUBTREE,
expression=ldap.filter.filter_format('(samAccountName=%s)', [username, ]),
attrs=['samaccountname'])
if res.count == 1:
binddn = res.msgs[0].get('dn', idx=0).extended_str()
except ldb.LdbError as ex:
MODULE.warn('get_dn_from_name() could not get binddn for user %s: %s' % (username, ex))
return binddn
class KCCTests(samba.tests.TestCase):
def setUp(self):
super(KCCTests, self).setUp()
self.lp = LoadParm()
self.creds = Credentials()
self.creds.guess(self.lp)
self.creds.set_username(os.environ["USERNAME"])
self.creds.set_password(os.environ["PASSWORD"])
def test_list_dsas(self):
my_kcc = kcc.KCC(unix_now, False, False, False, False)
my_kcc.load_samdb("ldap://%s" % os.environ["SERVER"], self.lp,
self.creds)
try:
dsas = my_kcc.list_dsas()
except kcc.KCCError as e:
self.fail("kcc.list_dsas failed with %s" % e)
env = os.environ['TEST_ENV']
for expected_dsa in ENV_DSAS[env]:
self.assertIn(expected_dsa, dsas)
def test_verify(self):
"""check that the KCC generates graphs that pass its own verify
option. This is not a spectacular achievement when there are
only a couple of nodes to connect, but it shows something.
"""
my_kcc = kcc.KCC(unix_now,
readonly=True,
verify=True,
debug=False,
dot_file_dir=None)
# As this is flapping with errors under python3, we catch
# exceptions and turn them into failures..
try:
my_kcc.run("ldap://%s" % os.environ["SERVER"],
self.lp,
self.creds,
attempt_live_connections=False)
except (samba.kcc.graph_utils.GraphError, kcc.KCCError):
import traceback
traceback.print_exc()
self.fail()
def get_dns_zones():
request_filter = dnsserver.DNS_ZONE_REQUEST_PRIMARY
server = '127.0.0.1'
binding_str = 'ncacn_ip_tcp:%s[sign]' % server
cred_data = open('/vapour/dnsquery').read().split(':')
creds = Credentials()
creds.guess(lp)
creds.set_username(cred_data[0])
creds.set_password(cred_data[1].rstrip())
dns_conn = dnsserver.dnsserver(binding_str, lp, creds)
client_version = dnsserver.DNS_CLIENT_VERSION_LONGHORN
typeid, res = dns_conn.DnssrvComplexOperation2(
client_version, 0, server, None, 'EnumZones',
dnsserver.DNSSRV_TYPEID_DWORD, request_filter)
return dict(res)
def _get_smb_connection(self, service='SysVol'):
# Create options like if we were using command line
parser = optparse.OptionParser()
sambaopts = options.SambaOptions(parser)
# Samba options
parm = sambaopts.get_loadparm()
s3_lp = s3param.get_context()
s3_lp.load(parm.configfile)
# Build credentials from credential options
creds = Credentials()
# Credentials need username and realm to be not empty strings to work
creds.set_username('NOTEMPTY')
creds.set_realm('NOTEMPTY')
# Connect to SMB using kerberos
creds.set_kerberos_state(MUST_USE_KERBEROS)
# Create connection
conn = libsmb.Conn(self._get_server_name(),
service,
lp=parm,
creds=creds,
sign=False)
return conn
class NetlogonServiceTests(TestCase):
def setUp(self):
super(NetlogonServiceTests, self).setUp()
self.server = os.environ["SERVER"]
self.lp = self.get_loadparm()
self.creds = Credentials()
# prefer the DC user/password in environments that have it
if "DC_USERNAME" in os.environ and "DC_PASSWORD" in os.environ:
self.creds.set_username(os.environ["DC_USERNAME"])
self.creds.set_password(os.environ["DC_PASSWORD"])
else:
self.creds.set_username(os.environ["USERNAME"])
self.creds.set_password(os.environ["PASSWORD"])
self.creds.guess(self.lp)
def tearDown(self):
super(NetlogonServiceTests, self).tearDown()
def test_have_netlogon_connection(self):
try:
c = self.get_netlogon_connection()
self.assertIsNotNone(c)
except NTSTATUSError as e:
# On non-DC test environments, netlogon should not be running on
# the server, so we expect the test to fail here
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_OBJECT_NAME_NOT_FOUND:
self.fail("netlogon service is not running")
else:
raise
# Establish netlogon connection over NP
def get_netlogon_connection(self):
return netlogon.netlogon("ncacn_np:%s[seal]" % self.server, self.lp,
self.creds)
def make_creds(username, password, kerberos_state=None):
# use the global CREDS as a template
c = Credentials()
c.set_username(username)
c.set_password(password)
c.set_domain(CREDS.get_domain())
c.set_realm(CREDS.get_realm())
c.set_workstation(CREDS.get_workstation())
if kerberos_state is None:
kerberos_state = CREDS.get_kerberos_state()
c.set_kerberos_state(kerberos_state)
print '-' * 73
if kerberos_state == MUST_USE_KERBEROS:
print "we seem to be using kerberos for %s %s" % (username, password)
elif kerberos_state == DONT_USE_KERBEROS:
print "NOT using kerberos for %s %s" % (username, password)
else:
print "kerberos state is %s" % kerberos_state
c.set_gensec_features(c.get_gensec_features() | gensec.FEATURE_SEAL)
return c
def _test_netlogon(self, name, pwd, status, checkFunction):
def isLastExpectedMessage(msg):
return (msg["type"] == "Authentication" and
msg["Authentication"]["serviceDescription"] == "NETLOGON"
and msg["Authentication"]["authDescription"]
== "ServerAuthenticate"
and msg["Authentication"]["status"] == status)
machine_creds = Credentials()
machine_creds.guess(self.get_loadparm())
machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
machine_creds.set_password(pwd)
machine_creds.set_username(name + "$")
try:
netlogon.netlogon("ncalrpc:[schannel]", self.get_loadparm(),
machine_creds)
self.fail("NTSTATUSError not raised")
except NTSTATUSError:
pass
messages = self.waitForMessages(isLastExpectedMessage)
checkFunction(messages)
def _test_netlogon(self, binding, checkFunction):
def isLastExpectedMessage(msg):
return (msg["type"] == "Authorization"
and msg["Authorization"]["serviceDescription"] == "DCE/RPC"
and msg["Authorization"]["authType"] == "schannel"
and msg["Authorization"]["transportProtection"] == "SEAL")
if binding:
binding = "[schannel,%s]" % binding
else:
binding = "[schannel]"
machine_creds = Credentials()
machine_creds.guess(self.get_loadparm())
machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
machine_creds.set_password(self.machinepass)
machine_creds.set_username(self.netbios_name + "$")
netlogon_conn = netlogon.netlogon("ncalrpc:%s" % binding,
self.get_loadparm(), machine_creds)
messages = self.waitForMessages(isLastExpectedMessage, netlogon_conn)
checkFunction(messages)
def getUsers(self):
lp = param.LoadParm()
badge = Credentials()
badge.guess(lp)
badge.set_username('Administrator')
badge.set_password('pa$$w0rd!')
print("Getting users")
# Binding...
cx = SamDB(url='ldap://localhost', lp=lp, credentials=badge)
# Search...
search_result = cx.search('DC=kajohansen,DC=com', scope=2, expression='(objectClass=user)', attrs=["samaccountname"])
users = [] # list to hold our users
# Results...
for username in search_result:
# print("User: %s" % username.get("samaccountname", idx=0))
users.append(username.get("samaccountname", idx=0))
return users
def setUp(self):
super(DrsRodcTestCase, self).setUp()
self.base_dn = self.ldb_dc1.get_default_basedn()
rand = random.randint(1, 10000000)
self.ou = "OU=test_drs_rodc%s,%s" % (rand, self.base_dn)
self.ldb_dc1.add({"dn": self.ou, "objectclass": "organizationalUnit"})
self.allowed_group = "CN=Allowed RODC Password Replication Group,CN=Users,%s" % self.base_dn
self.site = self.ldb_dc1.server_site_name()
self.rodc_name = "TESTRODCDRS%s" % rand
self.rodc_pass = "******"
self.computer_dn = "CN=%s,OU=Domain Controllers,%s" % (self.rodc_name,
self.base_dn)
self.rodc_ctx = dc_join(server=self.ldb_dc1.host_dns_name(),
creds=self.get_credentials(),
lp=self.get_loadparm(),
site=self.site,
netbios_name=self.rodc_name,
targetdir=None,
domain=None,
machinepass=self.rodc_pass)
self._create_rodc(self.rodc_ctx)
self.rodc_ctx.create_tmp_samdb()
self.tmp_samdb = self.rodc_ctx.tmp_samdb
rodc_creds = Credentials()
rodc_creds.guess(self.rodc_ctx.lp)
rodc_creds.set_username(self.rodc_name + '$')
rodc_creds.set_password(self.rodc_pass)
self.rodc_creds = rodc_creds
(self.drs, self.drs_handle) = self._ds_bind(self.dnsname_dc1)
(self.rodc_drs,
self.rodc_drs_handle) = self._ds_bind(self.dnsname_dc1, rodc_creds)
def test_modify_dsheuristics_userPassword(self):
print("Performs testing about reading userPassword between dsHeuristic modifies")
# Make sure userPassword cannot be read
self.ldb.set_dsheuristics("000000000")
# Open a new connection (with dsHeuristic=000000000)
ldb1 = SamDB(url=host, session_info=system_session(lp),
credentials=creds, lp=lp)
# Set userPassword to be read
# This setting only affects newer connections (ldb2)
ldb1.set_dsheuristics("000000001")
time.sleep(1)
m = Message()
m.dn = Dn(ldb1, "cn=testuser,cn=users," + self.base_dn)
m["userPassword"] = MessageElement("thatsAcomplPASS1", FLAG_MOD_REPLACE,
"userPassword")
ldb1.modify(m)
res = ldb1.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# userPassword cannot be read, despite the dsHeuristic setting
self.assertTrue(len(res) == 1)
self.assertFalse("userPassword" in res[0])
# Open another new connection (with dsHeuristic=000000001)
ldb2 = SamDB(url=host, session_info=system_session(lp),
credentials=creds, lp=lp)
# Set userPassword to be unreadable
# This setting does not affect this connection
ldb2.set_dsheuristics("000000000")
time.sleep(1)
res = ldb2.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# Check that userPassword was not stored from ldb1
self.assertTrue(len(res) == 1)
self.assertFalse("userPassword" in res[0])
m = Message()
m.dn = Dn(ldb2, "cn=testuser,cn=users," + self.base_dn)
m["userPassword"] = MessageElement("thatsAcomplPASS2", FLAG_MOD_REPLACE,
"userPassword")
ldb2.modify(m)
res = ldb2.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# userPassword can be read in this connection
# This is regardless of the current dsHeuristics setting
self.assertTrue(len(res) == 1)
self.assertTrue("userPassword" in res[0])
self.assertEquals(res[0]["userPassword"][0], "thatsAcomplPASS2")
# Only password from ldb1 is the user's password
creds2 = Credentials()
creds2.set_username("testuser")
creds2.set_password("thatsAcomplPASS1")
creds2.set_domain(creds.get_domain())
creds2.set_realm(creds.get_realm())
creds2.set_workstation(creds.get_workstation())
creds2.set_gensec_features(creds2.get_gensec_features()
| gensec.FEATURE_SEAL)
try:
SamDB(url=host, credentials=creds2, lp=lp)
except:
self.fail("testuser used the wrong password")
ldb3 = SamDB(url=host, session_info=system_session(lp),
credentials=creds, lp=lp)
# Check that userPassword was stored from ldb2
res = ldb3.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# userPassword can be read
self.assertTrue(len(res) == 1)
self.assertTrue("userPassword" in res[0])
self.assertEquals(res[0]["userPassword"][0], "thatsAcomplPASS2")
# Reset the test "dSHeuristics" (reactivate "userPassword" pwd changes)
self.ldb.set_dsheuristics("000000001")
def setUp(self):
super(PasswordTests, self).setUp()
self.ldb = SamDB(url=host, session_info=system_session(lp), credentials=creds, lp=lp)
# Gets back the basedn
base_dn = self.ldb.domain_dn()
# Gets back the configuration basedn
configuration_dn = self.ldb.get_config_basedn().get_linearized()
# Get the old "dSHeuristics" if it was set
dsheuristics = self.ldb.get_dsheuristics()
# Set the "dSHeuristics" to activate the correct "userPassword" behaviour
self.ldb.set_dsheuristics("000000001")
# Reset the "dSHeuristics" as they were before
self.addCleanup(self.ldb.set_dsheuristics, dsheuristics)
# Get the old "minPwdAge"
minPwdAge = self.ldb.get_minPwdAge()
# Set it temporarily to "0"
self.ldb.set_minPwdAge("0")
self.base_dn = self.ldb.domain_dn()
# Reset the "minPwdAge" as it was before
self.addCleanup(self.ldb.set_minPwdAge, minPwdAge)
# (Re)adds the test user "testuser" with no password atm
delete_force(self.ldb, "cn=testuser,cn=users," + self.base_dn)
self.ldb.add({
"dn": "cn=testuser,cn=users," + self.base_dn,
"objectclass": "user",
"sAMAccountName": "testuser"})
# Tests a password change when we don't have any password yet with a
# wrong old password
try:
self.ldb.modify_ldif("""
dn: cn=testuser,cn=users,""" + self.base_dn + """
changetype: modify
delete: userPassword
userPassword: noPassword
add: userPassword
userPassword: thatsAcomplPASS2
""")
self.fail()
except LdbError as e:
(num, msg) = e.args
self.assertEquals(num, ERR_CONSTRAINT_VIOLATION)
# Windows (2008 at least) seems to have some small bug here: it
# returns "0000056A" on longer (always wrong) previous passwords.
self.assertTrue('00000056' in msg)
# Sets the initial user password with a "special" password change
# I think that this internally is a password set operation and it can
# only be performed by someone which has password set privileges on the
# account (at least in s4 we do handle it like that).
self.ldb.modify_ldif("""
dn: cn=testuser,cn=users,""" + self.base_dn + """
changetype: modify
delete: userPassword
add: userPassword
userPassword: thatsAcomplPASS1
""")
# But in the other way around this special syntax doesn't work
try:
self.ldb.modify_ldif("""
dn: cn=testuser,cn=users,""" + self.base_dn + """
changetype: modify
delete: userPassword
userPassword: thatsAcomplPASS1
add: userPassword
""")
self.fail()
except LdbError as e1:
(num, _) = e1.args
self.assertEquals(num, ERR_CONSTRAINT_VIOLATION)
# Enables the user account
self.ldb.enable_account("(sAMAccountName=testuser)")
# Open a second LDB connection with the user credentials. Use the
# command line credentials for informations like the domain, the realm
# and the workstation.
creds2 = Credentials()
creds2.set_username("testuser")
creds2.set_password("thatsAcomplPASS1")
creds2.set_domain(creds.get_domain())
creds2.set_realm(creds.get_realm())
creds2.set_workstation(creds.get_workstation())
creds2.set_gensec_features(creds2.get_gensec_features()
| gensec.FEATURE_SEAL)
self.ldb2 = SamDB(url=host, credentials=creds2, lp=lp)
class PyKrb5CredentialsTests(TestCase):
def setUp(self):
super(PyKrb5CredentialsTests, self).setUp()
self.server = os.environ["SERVER"]
self.domain = os.environ["DOMAIN"]
self.host = os.environ["SERVER_IP"]
self.lp = self.get_loadparm()
self.credentials = self.get_credentials()
self.session = system_session()
self.ldb = SamDB(url="ldap://%s" % self.host,
session_info=self.session,
credentials=self.credentials,
lp=self.lp)
self.create_machine_account()
def tearDown(self):
super(PyKrb5CredentialsTests, self).tearDown()
delete_force(self.ldb, self.machine_dn)
def test_get_named_ccache(self):
name = "MEMORY:py_creds_machine"
ccache = self.machine_creds.get_named_ccache(self.lp, name)
self.assertEqual(ccache.get_name(), name)
def test_get_unnamed_ccache(self):
ccache = self.machine_creds.get_named_ccache(self.lp)
self.assertIsNotNone(ccache.get_name())
def test_set_named_ccache(self):
ccache = self.machine_creds.get_named_ccache(self.lp)
creds = Credentials()
creds.set_named_ccache(ccache.get_name())
ccache2 = creds.get_named_ccache(self.lp)
self.assertEqual(ccache.get_name(), ccache2.get_name())
#
# Create the machine account
def create_machine_account(self):
self.machine_pass = samba.generate_random_password(32, 32)
self.machine_name = MACHINE_NAME
self.machine_dn = "cn=%s,%s" % (self.machine_name,
self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.machine_dn)
# get unicode str for both py2 and py3
pass_unicode = self.machine_pass.encode('utf-8').decode('utf-8')
utf16pw = u'"{0}"'.format(pass_unicode).encode('utf-16-le')
self.ldb.add({
"dn":
self.machine_dn,
"objectclass":
"computer",
"sAMAccountName":
"%s$" % self.machine_name,
"userAccountControl":
str(UF_WORKSTATION_TRUST_ACCOUNT | UF_PASSWD_NOTREQD),
"unicodePwd":
utf16pw
})
self.machine_creds = Credentials()
self.machine_creds.guess(self.get_loadparm())
self.machine_creds.set_password(self.machine_pass)
self.machine_creds.set_username(self.machine_name + "$")
self.machine_creds.set_workstation(self.machine_name)
def test_modify_dsheuristics_userPassword(self):
print("Performs testing about reading userPassword between dsHeuristic modifies")
# Make sure userPassword cannot be read
self.ldb.set_dsheuristics("000000000")
# Open a new connection (with dsHeuristic=000000000)
ldb1 = SamDB(url=host, session_info=system_session(lp),
credentials=creds, lp=lp)
# Set userPassword to be read
# This setting only affects newer connections (ldb2)
ldb1.set_dsheuristics("000000001")
time.sleep(1)
m = Message()
m.dn = Dn(ldb1, "cn=testuser,cn=users," + self.base_dn)
m["userPassword"] = MessageElement("thatsAcomplPASS1", FLAG_MOD_REPLACE,
"userPassword")
ldb1.modify(m)
res = ldb1.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# userPassword cannot be read, it wasn't set, instead the
# password was
self.assertTrue(len(res) == 1)
self.assertFalse("userPassword" in res[0])
# Open another new connection (with dsHeuristic=000000001)
ldb2 = SamDB(url=host, session_info=system_session(lp),
credentials=creds, lp=lp)
res = ldb2.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# Check on the new connection that userPassword was not stored
# from ldb1 or is not readable
self.assertTrue(len(res) == 1)
self.assertFalse("userPassword" in res[0])
# Set userPassword to be readable
# This setting does not affect this connection
ldb2.set_dsheuristics("000000000")
time.sleep(1)
res = ldb2.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# Check that userPassword was not stored from ldb1
self.assertTrue(len(res) == 1)
self.assertFalse("userPassword" in res[0])
m = Message()
m.dn = Dn(ldb2, "cn=testuser,cn=users," + self.base_dn)
m["userPassword"] = MessageElement("thatsAcomplPASS2", FLAG_MOD_REPLACE,
"userPassword")
ldb2.modify(m)
res = ldb2.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# Check despite setting it with userPassword support disabled
# on this connection it should still not be readable
self.assertTrue(len(res) == 1)
self.assertFalse("userPassword" in res[0])
# Only password from ldb1 is the user's password
creds2 = Credentials()
creds2.set_username("testuser")
creds2.set_password("thatsAcomplPASS1")
creds2.set_domain(creds.get_domain())
creds2.set_realm(creds.get_realm())
creds2.set_workstation(creds.get_workstation())
creds2.set_gensec_features(creds2.get_gensec_features()
| gensec.FEATURE_SEAL)
try:
SamDB(url=host, credentials=creds2, lp=lp)
except:
self.fail("testuser used the wrong password")
ldb3 = SamDB(url=host, session_info=system_session(lp),
credentials=creds, lp=lp)
# Check that userPassword was stored from ldb2
res = ldb3.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# userPassword can be read
self.assertTrue(len(res) == 1)
self.assertTrue("userPassword" in res[0])
self.assertEquals(res[0]["userPassword"][0], "thatsAcomplPASS2")
# Reset the test "dSHeuristics" (reactivate "userPassword" pwd changes)
self.ldb.set_dsheuristics("000000001")
ldb4 = SamDB(url=host, session_info=system_session(lp),
credentials=creds, lp=lp)
# Check that userPassword that was stored from ldb2
res = ldb4.search("cn=testuser,cn=users," + self.base_dn,
scope=SCOPE_BASE, attrs=["userPassword"])
# userPassword can be not be read
self.assertTrue(len(res) == 1)
self.assertFalse("userPassword" in res[0])
class PyCredentialsTests(TestCase):
def setUp(self):
super(PyCredentialsTests, self).setUp()
self.server = os.environ["SERVER"]
self.domain = os.environ["DOMAIN"]
self.host = os.environ["SERVER_IP"]
self.lp = self.get_loadparm()
self.credentials = self.get_credentials()
self.session = system_session()
self.ldb = SamDB(url="ldap://%s" % self.host,
session_info=self.session,
credentials=self.credentials,
lp=self.lp)
self.create_machine_account()
self.create_user_account()
def tearDown(self):
super(PyCredentialsTests, self).tearDown()
delete_force(self.ldb, self.machine_dn)
delete_force(self.ldb, self.user_dn)
# Until a successful netlogon connection has been established there will
# not be a valid authenticator associated with the credentials
# and new_client_authenticator should throw a ValueError
def test_no_netlogon_connection(self):
self.assertRaises(ValueError,
self.machine_creds.new_client_authenticator)
# Once a netlogon connection has been established,
# new_client_authenticator should return a value
#
def test_have_netlogon_connection(self):
c = self.get_netlogon_connection()
a = self.machine_creds.new_client_authenticator()
self.assertIsNotNone(a)
# Get an authenticator and use it on a sequence of operations requiring
# an authenticator
def test_client_authenticator(self):
c = self.get_netlogon_connection()
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonSamLogonWithFlags(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
def test_SamLogonEx(self):
c = self.get_netlogon_connection()
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
try:
c.netr_LogonSamLogonEx(self.server,
self.user_creds.get_workstation(),
logon_level,
logon,
validation_level,
netr_flags)
except NTSTATUSError as e:
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
self.fail("got wrong password error")
else:
raise
def test_SamLogonEx_no_domain(self):
c = self.get_netlogon_connection()
self.user_creds.set_domain('')
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
try:
c.netr_LogonSamLogonEx(self.server,
self.user_creds.get_workstation(),
logon_level,
logon,
validation_level,
netr_flags)
except NTSTATUSError as e:
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
self.fail("got wrong password error")
else:
self.fail("got unexpected error" + str(e))
def test_SamLogonExNTLM(self):
c = self.get_netlogon_connection()
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds,
flags=CLI_CRED_NTLM_AUTH)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
try:
c.netr_LogonSamLogonEx(self.server,
self.user_creds.get_workstation(),
logon_level,
logon,
validation_level,
netr_flags)
except NTSTATUSError as e:
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
self.fail("got wrong password error")
else:
raise
def test_SamLogonExMSCHAPv2(self):
c = self.get_netlogon_connection()
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds,
flags=CLI_CRED_NTLM_AUTH)
logon.identity_info.parameter_control = MSV1_0_ALLOW_MSVCHAPV2
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
try:
c.netr_LogonSamLogonEx(self.server,
self.user_creds.get_workstation(),
logon_level,
logon,
validation_level,
netr_flags)
except NTSTATUSError as e:
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
self.fail("got wrong password error")
else:
raise
# Test Credentials.encrypt_netr_crypt_password
# By performing a NetrServerPasswordSet2
# And the logging on using the new password.
def test_encrypt_netr_password(self):
# Change the password
self.do_Netr_ServerPasswordSet2()
# Now use the new password to perform an operation
srvsvc.srvsvc("ncacn_np:%s" % (self.server),
self.lp,
self.machine_creds)
# Change the current machine account password with a
# netr_ServerPasswordSet2 call.
def do_Netr_ServerPasswordSet2(self):
c = self.get_netlogon_connection()
(authenticator, subsequent) = self.get_authenticator(c)
PWD_LEN = 32
DATA_LEN = 512
newpass = samba.generate_random_password(PWD_LEN, PWD_LEN)
encoded = newpass.encode('utf-16-le')
pwd_len = len(encoded)
filler = [ord(x) for x in os.urandom(DATA_LEN-pwd_len)]
pwd = netlogon.netr_CryptPassword()
pwd.length = pwd_len
pwd.data = filler + [ord(x) for x in encoded]
self.machine_creds.encrypt_netr_crypt_password(pwd)
c.netr_ServerPasswordSet2(self.server,
self.machine_creds.get_workstation(),
SEC_CHAN_WKSTA,
self.machine_name,
authenticator,
pwd)
self.machine_pass = newpass
self.machine_creds.set_password(newpass)
# Establish sealed schannel netlogon connection over TCP/IP
#
def get_netlogon_connection(self):
return netlogon.netlogon("ncacn_ip_tcp:%s[schannel,seal]" % self.server,
self.lp,
self.machine_creds)
#
# Create the machine account
def create_machine_account(self):
self.machine_pass = samba.generate_random_password(32, 32)
self.machine_name = MACHINE_NAME
self.machine_dn = "cn=%s,%s" % (self.machine_name, self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.machine_dn)
utf16pw = unicode(
'"' + self.machine_pass.encode('utf-8') + '"', 'utf-8'
).encode('utf-16-le')
self.ldb.add({
"dn": self.machine_dn,
"objectclass": "computer",
"sAMAccountName": "%s$" % self.machine_name,
"userAccountControl":
str(UF_WORKSTATION_TRUST_ACCOUNT | UF_PASSWD_NOTREQD),
"unicodePwd": utf16pw})
self.machine_creds = Credentials()
self.machine_creds.guess(self.get_loadparm())
self.machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
self.machine_creds.set_kerberos_state(DONT_USE_KERBEROS)
self.machine_creds.set_password(self.machine_pass)
self.machine_creds.set_username(self.machine_name + "$")
self.machine_creds.set_workstation(self.machine_name)
#
# Create a test user account
def create_user_account(self):
self.user_pass = samba.generate_random_password(32, 32)
self.user_name = USER_NAME
self.user_dn = "cn=%s,%s" % (self.user_name, self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.user_dn)
utf16pw = unicode(
'"' + self.user_pass.encode('utf-8') + '"', 'utf-8'
).encode('utf-16-le')
self.ldb.add({
"dn": self.user_dn,
"objectclass": "user",
"sAMAccountName": "%s" % self.user_name,
"userAccountControl": str(UF_NORMAL_ACCOUNT),
"unicodePwd": utf16pw})
self.user_creds = Credentials()
self.user_creds.guess(self.get_loadparm())
self.user_creds.set_password(self.user_pass)
self.user_creds.set_username(self.user_name)
self.user_creds.set_workstation(self.machine_name)
pass
#
# Get the authenticator from the machine creds.
def get_authenticator(self, c):
auth = self.machine_creds.new_client_authenticator();
current = netr_Authenticator()
current.cred.data = [ord(x) for x in auth["credential"]]
current.timestamp = auth["timestamp"]
subsequent = netr_Authenticator()
return (current, subsequent)
def do_NetrLogonSamLogonWithFlags(self, c, current, subsequent):
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
c.netr_LogonSamLogonWithFlags(self.server,
self.user_creds.get_workstation(),
current,
subsequent,
logon_level,
logon,
validation_level,
netr_flags)
def do_NetrLogonGetDomainInfo(self, c, current, subsequent):
query = netr_WorkstationInformation()
c.netr_LogonGetDomainInfo(self.server,
self.user_creds.get_workstation(),
current,
subsequent,
2,
query)
class RodcCmdTestCase(SambaToolCmdTest):
def setUp(self):
super(RodcCmdTestCase, self).setUp()
self.lp = samba.param.LoadParm()
self.lp.load(os.environ["SMB_CONF_PATH"])
self.creds = Credentials()
self.creds.set_username(os.environ["DC_USERNAME"])
self.creds.set_password(os.environ["DC_PASSWORD"])
self.creds.guess(self.lp)
self.session = system_session()
self.ldb = SamDB("ldap://" + os.environ["DC_SERVER"],
session_info=self.session, credentials=self.creds,lp=self.lp)
self.base_dn = self.ldb.domain_dn()
self.ldb.newuser("sambatool1", "1qazXSW@")
self.ldb.newuser("sambatool2", "2wsxCDE#")
self.ldb.newuser("sambatool3", "3edcVFR$")
self.ldb.newuser("sambatool4", "4rfvBGT%")
self.ldb.newuser("sambatool5", "5tjbNHY*")
self.ldb.newuser("sambatool6", "6yknMJU*")
self.ldb.add_remove_group_members("Allowed RODC Password Replication Group",
["sambatool1", "sambatool2", "sambatool3",
"sambatool4", "sambatool5"],
add_members_operation=True)
def tearDown(self):
super(RodcCmdTestCase, self).tearDown()
self.ldb.deleteuser("sambatool1")
self.ldb.deleteuser("sambatool2")
self.ldb.deleteuser("sambatool3")
self.ldb.deleteuser("sambatool4")
self.ldb.deleteuser("sambatool5")
self.ldb.deleteuser("sambatool6")
(result, out, err) = self.runsubcmd("drs", "replicate", "--local", "unused",
os.environ["DC_SERVER"], self.base_dn)
def test_single_by_account_name(self):
(result, out, err) = self.runsubcmd("rodc", "preload", "sambatool1",
"--server", os.environ["DC_SERVER"])
self.assertCmdSuccess(result, out, err, "ensuring rodc prefetch ran successfully")
self.assertEqual(out, "Replicating DN CN=sambatool1,CN=Users,%s\n" % self.base_dn)
self.assertEqual(err, "")
def test_single_by_dn(self):
(result, out, err) = self.runsubcmd("rodc", "preload", "cn=sambatool2,cn=users,%s" % self.base_dn,
"--server", os.environ["DC_SERVER"])
self.assertCmdSuccess(result, out, err, "ensuring rodc prefetch ran successfully")
self.assertEqual(out, "Replicating DN CN=sambatool2,CN=Users,%s\n" % self.base_dn)
def test_multi_by_account_name(self):
(result, out, err) = self.runsubcmd("rodc", "preload", "sambatool1", "sambatool2",
"--server", os.environ["DC_SERVER"])
self.assertCmdSuccess(result, out, err, "ensuring rodc prefetch ran successfully")
self.assertEqual(out, "Replicating DN CN=sambatool1,CN=Users,%s\nReplicating DN CN=sambatool2,CN=Users,%s\n" % (self.base_dn, self.base_dn))
def test_multi_by_dn(self):
(result, out, err) = self.runsubcmd("rodc", "preload", "cn=sambatool3,cn=users,%s" % self.base_dn, "cn=sambatool4,cn=users,%s" % self.base_dn,
"--server", os.environ["DC_SERVER"])
self.assertCmdSuccess(result, out, err, "ensuring rodc prefetch ran successfully")
self.assertEqual(out, "Replicating DN CN=sambatool3,CN=Users,%s\nReplicating DN CN=sambatool4,CN=Users,%s\n" % (self.base_dn, self.base_dn))
def test_multi_in_file(self):
tempf = os.path.join(self.tempdir, "accountlist")
open(tempf, 'w').write("sambatool1\nsambatool2")
(result, out, err) = self.runsubcmd("rodc", "preload", "--file", tempf,
"--server", os.environ["DC_SERVER"])
self.assertCmdSuccess(result, out, err, "ensuring rodc prefetch ran successfully")
self.assertEqual(out, "Replicating DN CN=sambatool1,CN=Users,%s\nReplicating DN CN=sambatool2,CN=Users,%s\n" % (self.base_dn, self.base_dn))
os.unlink(tempf)
def test_multi_with_missing_name_success(self):
(result, out, err) = self.runsubcmd("rodc", "preload",
"nonexistentuser1", "sambatool5",
"nonexistentuser2",
"--server", os.environ["DC_SERVER"],
"--ignore-errors")
self.assertCmdSuccess(result, out, err, "ensuring rodc prefetch ran successfully")
self.assertTrue(out.startswith("Replicating DN CN=sambatool5,CN=Users,%s\n"
% self.base_dn))
def test_multi_with_missing_name_failure(self):
(result, out, err) = self.runsubcmd("rodc", "preload",
"nonexistentuser1", "sambatool5",
"nonexistentuser2",
"--server", os.environ["DC_SERVER"])
self.assertCmdFail(result, "ensuring rodc prefetch quit on missing user")
def test_multi_without_group_success(self):
(result, out, err) = self.runsubcmd("rodc", "preload",
"sambatool6", "sambatool5",
"--server", os.environ["DC_SERVER"],
"--ignore-errors")
self.assertCmdSuccess(result, out, err, "ensuring rodc prefetch ran successfully")
self.assertTrue(out.startswith("Replicating DN CN=sambatool6,CN=Users,%s\n"
"Replicating DN CN=sambatool5,CN=Users,%s\n"
% (self.base_dn, self.base_dn)))
def test_multi_without_group_failure(self):
(result, out, err) = self.runsubcmd("rodc", "preload",
"sambatool6", "sambatool5",
"--server", os.environ["DC_SERVER"])
self.assertCmdFail(result, "ensuring rodc prefetch quit on non-replicated user")
def join_replicate(ctx):
"""Replicate the SAM."""
print "Starting replication"
ctx.local_samdb.transaction_start()
try:
source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
if ctx.ntds_guid is None:
print("Using DS_BIND_GUID_W2K3")
destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
else:
destination_dsa_guid = ctx.ntds_guid
if ctx.RODC:
repl_creds = Credentials()
repl_creds.guess(ctx.lp)
repl_creds.set_kerberos_state(DONT_USE_KERBEROS)
repl_creds.set_username(ctx.samname)
repl_creds.set_password(ctx.acct_pass)
else:
repl_creds = ctx.creds
binding_options = "seal"
if int(ctx.lp.get("log level")) >= 5:
binding_options += ",print"
repl = drs_utils.drs_Replicate(
"ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
ctx.lp, repl_creds, ctx.local_samdb)
repl.replicate(ctx.schema_dn, source_dsa_invocation_id,
destination_dsa_guid, schema=True, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
repl.replicate(ctx.config_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
if not ctx.subdomain:
# Replicate first the critical object for the basedn
if not ctx.domain_replica_flags & drsuapi.DRSUAPI_DRS_CRITICAL_ONLY:
print "Replicating critical objects from the base DN of the domain"
ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
repl.replicate(ctx.base_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.domain_replica_flags)
ctx.domain_replica_flags ^= drsuapi.DRSUAPI_DRS_CRITICAL_ONLY | drsuapi.DRSUAPI_DRS_GET_ANC
else:
ctx.domain_replica_flags |= drsuapi.DRSUAPI_DRS_GET_ANC
repl.replicate(ctx.base_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.domain_replica_flags)
print "Done with always replicated NC (base, config, schema)"
for nc in (ctx.domaindns_zone, ctx.forestdns_zone):
if nc in ctx.nc_list:
print "Replicating %s" % (str(nc))
repl.replicate(nc, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
if 'DC=ForestDnsZones,%s' % ctx.root_dn in ctx.nc_list:
repl.replicate('DC=ForestDnsZones,%s' % ctx.root_dn, source_dsa_invocation_id,
destination_dsa_guid, rodc=ctx.RODC,
replica_flags=ctx.replica_flags)
# FIXME At this point we should add an entry in the forestdns and domaindns NC
# (those under CN=Partions,DC=...)
# in order to indicate that we hold a replica for this NC
if ctx.RODC:
repl.replicate(ctx.acct_dn, source_dsa_invocation_id,
destination_dsa_guid,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
repl.replicate(ctx.new_krbtgt_dn, source_dsa_invocation_id,
destination_dsa_guid,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
ctx.repl = repl
ctx.source_dsa_invocation_id = source_dsa_invocation_id
ctx.destination_dsa_guid = destination_dsa_guid
print "Committing SAM database"
except:
ctx.local_samdb.transaction_cancel()
raise
else:
ctx.local_samdb.transaction_commit()
class BasePasswordTestCase(PasswordTestCase):
def _open_samr_user(self, res):
self.assertTrue("objectSid" in res[0])
(domain_sid, rid) = ndr_unpack(security.dom_sid, res[0]["objectSid"][0]).split()
self.assertEquals(self.domain_sid, domain_sid)
return self.samr.OpenUser(self.samr_domain, security.SEC_FLAG_MAXIMUM_ALLOWED, rid)
def _check_attribute(self, res, name, value):
if value is None:
self.assertTrue(name not in res[0],
msg="attr[%s]=%r on dn[%s]" %
(name, res[0], res[0].dn))
return
if isinstance(value, tuple):
(mode, value) = value
else:
mode = "equal"
if mode == "ignore":
return
if mode == "absent":
self.assertFalse(name in res[0],
msg="attr[%s] not missing on dn[%s]" %
(name, res[0].dn))
return
self.assertTrue(name in res[0],
msg="attr[%s] missing on dn[%s]" %
(name, res[0].dn))
self.assertTrue(len(res[0][name]) == 1,
msg="attr[%s]=%r on dn[%s]" %
(name, res[0][name], res[0].dn))
print("%s = '%s'" % (name, res[0][name][0]))
if mode == "present":
return
if mode == "equal":
v = int(res[0][name][0])
value = int(value)
msg = ("attr[%s]=[%s] != [%s] on dn[%s]\n"
"(diff %d; actual value is %s than expected)" %
(name, v, value, res[0].dn, v - value,
('less' if v < value else 'greater')))
self.assertTrue(v == value, msg)
return
if mode == "greater":
v = int(res[0][name][0])
self.assertTrue(v > int(value),
msg="attr[%s]=[%s] <= [%s] on dn[%s] (diff %d)" %
(name, v, int(value), res[0].dn, v - int(value)))
return
if mode == "less":
v = int(res[0][name][0])
self.assertTrue(v < int(value),
msg="attr[%s]=[%s] >= [%s] on dn[%s] (diff %d)" %
(name, v, int(value), res[0].dn, v - int(value)))
return
self.assertEqual(mode, not mode, "Invalid Mode[%s]" % mode)
def _check_account_initial(self, userdn):
self._check_account(userdn,
badPwdCount=0,
badPasswordTime=0,
logonCount=0,
lastLogon=0,
lastLogonTimestamp=("absent", None),
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
def _check_account(self, dn,
badPwdCount=None,
badPasswordTime=None,
logonCount=None,
lastLogon=None,
lastLogonTimestamp=None,
lockoutTime=None,
userAccountControl=None,
msDSUserAccountControlComputed=None,
effective_bad_password_count=None,
msg=None,
badPwdCountOnly=False):
print('-=' * 36)
if msg is not None:
print("\033[01;32m %s \033[00m\n" % msg)
attrs = [
"objectSid",
"badPwdCount",
"badPasswordTime",
"lastLogon",
"lastLogonTimestamp",
"logonCount",
"lockoutTime",
"userAccountControl",
"msDS-User-Account-Control-Computed"
]
# in order to prevent some time resolution problems we sleep for
# 10 micro second
time.sleep(0.01)
res = self.ldb.search(dn, scope=SCOPE_BASE, attrs=attrs)
self.assertTrue(len(res) == 1)
self._check_attribute(res, "badPwdCount", badPwdCount)
self._check_attribute(res, "lockoutTime", lockoutTime)
self._check_attribute(res, "badPasswordTime", badPasswordTime)
if not badPwdCountOnly:
self._check_attribute(res, "logonCount", logonCount)
self._check_attribute(res, "lastLogon", lastLogon)
self._check_attribute(res, "lastLogonTimestamp", lastLogonTimestamp)
self._check_attribute(res, "userAccountControl", userAccountControl)
self._check_attribute(res, "msDS-User-Account-Control-Computed",
msDSUserAccountControlComputed)
lastLogon = int(res[0]["lastLogon"][0])
logonCount = int(res[0]["logonCount"][0])
samr_user = self._open_samr_user(res)
uinfo3 = self.samr.QueryUserInfo(samr_user, 3)
uinfo5 = self.samr.QueryUserInfo(samr_user, 5)
uinfo16 = self.samr.QueryUserInfo(samr_user, 16)
uinfo21 = self.samr.QueryUserInfo(samr_user, 21)
self.samr.Close(samr_user)
expected_acb_info = 0
if not badPwdCountOnly:
if userAccountControl & dsdb.UF_NORMAL_ACCOUNT:
expected_acb_info |= samr.ACB_NORMAL
if userAccountControl & dsdb.UF_ACCOUNTDISABLE:
expected_acb_info |= samr.ACB_DISABLED
if userAccountControl & dsdb.UF_PASSWD_NOTREQD:
expected_acb_info |= samr.ACB_PWNOTREQ
if msDSUserAccountControlComputed & dsdb.UF_LOCKOUT:
expected_acb_info |= samr.ACB_AUTOLOCK
if msDSUserAccountControlComputed & dsdb.UF_PASSWORD_EXPIRED:
expected_acb_info |= samr.ACB_PW_EXPIRED
self.assertEquals(uinfo3.acct_flags, expected_acb_info)
self.assertEquals(uinfo3.last_logon, lastLogon)
self.assertEquals(uinfo3.logon_count, logonCount)
expected_bad_password_count = 0
if badPwdCount is not None:
expected_bad_password_count = badPwdCount
if effective_bad_password_count is None:
effective_bad_password_count = expected_bad_password_count
self.assertEquals(uinfo3.bad_password_count, expected_bad_password_count)
if not badPwdCountOnly:
self.assertEquals(uinfo5.acct_flags, expected_acb_info)
self.assertEquals(uinfo5.bad_password_count, effective_bad_password_count)
self.assertEquals(uinfo5.last_logon, lastLogon)
self.assertEquals(uinfo5.logon_count, logonCount)
self.assertEquals(uinfo16.acct_flags, expected_acb_info)
self.assertEquals(uinfo21.acct_flags, expected_acb_info)
self.assertEquals(uinfo21.bad_password_count, effective_bad_password_count)
self.assertEquals(uinfo21.last_logon, lastLogon)
self.assertEquals(uinfo21.logon_count, logonCount)
# check LDAP again and make sure the samr.QueryUserInfo
# doesn't have any impact.
res2 = self.ldb.search(dn, scope=SCOPE_BASE, attrs=attrs)
self.assertEquals(res[0], res2[0])
# in order to prevent some time resolution problems we sleep for
# 10 micro second
time.sleep(0.01)
return res
def update_lockout_settings(self, threshold, duration, observation_window):
"""Updates the global user lockout settings"""
m = Message()
m.dn = Dn(self.ldb, self.base_dn)
account_lockout_duration_ticks = -int(duration * (1e7))
m["lockoutDuration"] = MessageElement(str(account_lockout_duration_ticks),
FLAG_MOD_REPLACE, "lockoutDuration")
m["lockoutThreshold"] = MessageElement(str(threshold),
FLAG_MOD_REPLACE, "lockoutThreshold")
lockout_observation_window_ticks = -int(observation_window * (1e7))
m["lockOutObservationWindow"] = MessageElement(str(lockout_observation_window_ticks),
FLAG_MOD_REPLACE, "lockOutObservationWindow")
self.ldb.modify(m)
def _readd_user(self, creds, lockOutObservationWindow=0):
username = creds.get_username()
userpass = creds.get_password()
userdn = "cn=%s,cn=users,%s" % (username, self.base_dn)
delete_force(self.ldb, userdn)
self.ldb.add({
"dn": userdn,
"objectclass": "user",
"sAMAccountName": username})
self.addCleanup(delete_force, self.ldb, userdn)
# Sets the initial user password with a "special" password change
# I think that this internally is a password set operation and it can
# only be performed by someone which has password set privileges on the
# account (at least in s4 we do handle it like that).
self.ldb.modify_ldif("""
dn: """ + userdn + """
changetype: modify
delete: userPassword
add: userPassword
userPassword: """ + userpass + """
""")
# Enables the user account
self.ldb.enable_account("(sAMAccountName=%s)" % username)
use_kerberos = creds.get_kerberos_state()
fail_creds = self.insta_creds(self.template_creds,
username=username,
userpass=userpass+"X",
kerberos_state=use_kerberos)
self._check_account_initial(userdn)
# Fail once to get a badPasswordTime
try:
ldb = SamDB(url=self.host_url, credentials=fail_creds, lp=self.lp)
self.fail()
except LdbError as e:
(num, msg) = e.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
# Succeed to reset everything to 0
ldb = SamDB(url=self.host_url, credentials=creds, lp=self.lp)
return ldb
def assertLoginFailure(self, url, creds, lp, errno=ERR_INVALID_CREDENTIALS):
try:
ldb = SamDB(url=url, credentials=creds, lp=lp)
self.fail("Login unexpectedly succeeded")
except LdbError as e1:
(num, msg) = e1.args
if errno is not None:
self.assertEquals(num, errno, ("Login failed in the wrong way"
"(got err %d, expected %d)" %
(num, errno)))
def setUp(self):
super(BasePasswordTestCase, self).setUp()
self.global_creds.set_gensec_features(self.global_creds.get_gensec_features() |
gensec.FEATURE_SEAL)
self.template_creds = Credentials()
self.template_creds.set_username("testuser")
self.template_creds.set_password("thatsAcomplPASS1")
self.template_creds.set_domain(self.global_creds.get_domain())
self.template_creds.set_realm(self.global_creds.get_realm())
self.template_creds.set_workstation(self.global_creds.get_workstation())
self.template_creds.set_gensec_features(self.global_creds.get_gensec_features())
self.template_creds.set_kerberos_state(self.global_creds.get_kerberos_state())
# Gets back the basedn
base_dn = self.ldb.domain_dn()
# Gets back the configuration basedn
configuration_dn = self.ldb.get_config_basedn().get_linearized()
res = self.ldb.search(base_dn,
scope=SCOPE_BASE, attrs=["lockoutDuration", "lockOutObservationWindow", "lockoutThreshold"])
if "lockoutDuration" in res[0]:
lockoutDuration = res[0]["lockoutDuration"][0]
else:
lockoutDuration = 0
if "lockoutObservationWindow" in res[0]:
lockoutObservationWindow = res[0]["lockoutObservationWindow"][0]
else:
lockoutObservationWindow = 0
if "lockoutThreshold" in res[0]:
lockoutThreshold = res[0]["lockoutThreshold"][0]
else:
lockoutTreshold = 0
self.addCleanup(self.ldb.modify_ldif, """
dn: """ + base_dn + """
changetype: modify
replace: lockoutDuration
lockoutDuration: """ + str(lockoutDuration) + """
replace: lockoutObservationWindow
lockoutObservationWindow: """ + str(lockoutObservationWindow) + """
replace: lockoutThreshold
lockoutThreshold: """ + str(lockoutThreshold) + """
""")
self.base_dn = self.ldb.domain_dn()
self.account_lockout_duration = 2
self.lockout_observation_window = 2
self.update_lockout_settings(threshold=3, duration=2,
observation_window=2)
# update DC to allow password changes for the duration of this test
self.allow_password_changes()
self.domain_sid = security.dom_sid(self.ldb.get_domain_sid())
self.samr = samr.samr("ncacn_ip_tcp:%s[seal]" % self.host, self.lp, self.global_creds)
self.samr_handle = self.samr.Connect2(None, security.SEC_FLAG_MAXIMUM_ALLOWED)
self.samr_domain = self.samr.OpenDomain(self.samr_handle, security.SEC_FLAG_MAXIMUM_ALLOWED, self.domain_sid)
self.addCleanup(self.delete_ldb_connections)
# (Re)adds the test user accounts
self.lockout1krb5_creds = self.insta_creds(self.template_creds,
username="******",
userpass="******",
kerberos_state=MUST_USE_KERBEROS)
self.lockout1krb5_ldb = self._readd_user(self.lockout1krb5_creds)
self.lockout1ntlm_creds = self.insta_creds(self.template_creds,
username="******",
userpass="******",
kerberos_state=DONT_USE_KERBEROS)
self.lockout1ntlm_ldb = self._readd_user(self.lockout1ntlm_creds)
def delete_ldb_connections(self):
del self.lockout1krb5_ldb
del self.lockout1ntlm_ldb
del self.ldb
def tearDown(self):
super(BasePasswordTestCase, self).tearDown()
def _test_login_lockout(self, creds):
username = creds.get_username()
userpass = creds.get_password()
userdn = "cn=%s,cn=users,%s" % (username, self.base_dn)
use_kerberos = creds.get_kerberos_state()
# This unlocks by waiting for account_lockout_duration
if use_kerberos == MUST_USE_KERBEROS:
logoncount_relation = 'greater'
lastlogon_relation = 'greater'
print("Performs a lockout attempt against LDAP using Kerberos")
else:
logoncount_relation = 'equal'
lastlogon_relation = 'equal'
print("Performs a lockout attempt against LDAP using NTLM")
# Change password on a connection as another user
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=("greater", 0),
logonCount=(logoncount_relation, 0),
lastLogon=("greater", 0),
lastLogonTimestamp=("greater", 0),
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
logonCount = int(res[0]["logonCount"][0])
lastLogon = int(res[0]["lastLogon"][0])
firstLogon = lastLogon
lastLogonTimestamp = int(res[0]["lastLogonTimestamp"][0])
print(firstLogon)
print(lastLogonTimestamp)
self.assertGreater(lastLogon, badPasswordTime)
self.assertGreaterEqual(lastLogon, lastLogonTimestamp)
# Open a second LDB connection with the user credentials. Use the
# command line credentials for informations like the domain, the realm
# and the workstation.
creds_lockout = self.insta_creds(creds)
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
self.assertLoginFailure(self.host_url, creds_lockout, self.lp)
res = self._check_account(userdn,
badPwdCount=1,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0,
msg='lastlogontimestamp with wrong password')
badPasswordTime = int(res[0]["badPasswordTime"][0])
# Correct old password
creds_lockout.set_password(userpass)
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
# lastLogonTimestamp should not change
# lastLogon increases if badPwdCount is non-zero (!)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lastLogon=('greater', lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0,
msg='LLTimestamp is updated to lastlogon')
logonCount = int(res[0]["logonCount"][0])
lastLogon = int(res[0]["lastLogon"][0])
self.assertGreater(lastLogon, badPasswordTime)
self.assertGreaterEqual(lastLogon, lastLogonTimestamp)
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
self.assertLoginFailure(self.host_url, creds_lockout, self.lp)
res = self._check_account(userdn,
badPwdCount=1,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
self.fail()
except LdbError as e2:
(num, msg) = e2.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=2,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
print("two failed password change")
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
self.fail()
except LdbError as e3:
(num, msg) = e3.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=3,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=("greater", badPasswordTime),
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
badPasswordTime = int(res[0]["badPasswordTime"][0])
lockoutTime = int(res[0]["lockoutTime"][0])
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
self.fail()
except LdbError as e4:
(num, msg) = e4.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=3,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=lockoutTime,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
self.fail()
except LdbError as e5:
(num, msg) = e5.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=3,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=lockoutTime,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
# The correct password, but we are locked out
creds_lockout.set_password(userpass)
try:
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
self.fail()
except LdbError as e6:
(num, msg) = e6.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=3,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=lockoutTime,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
# wait for the lockout to end
time.sleep(self.account_lockout_duration + 1)
print(self.account_lockout_duration + 1)
res = self._check_account(userdn,
badPwdCount=3, effective_bad_password_count=0,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lockoutTime=lockoutTime,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
# The correct password after letting the timeout expire
creds_lockout.set_password(userpass)
creds_lockout2 = self.insta_creds(creds_lockout)
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout2, lp=self.lp)
time.sleep(3)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lastLogon=(lastlogon_relation, lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=0,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0,
msg="lastLogon is way off")
logonCount = int(res[0]["logonCount"][0])
lastLogon = int(res[0]["lastLogon"][0])
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
self.fail()
except LdbError as e7:
(num, msg) = e7.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=1,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lockoutTime=0,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
self.fail()
except LdbError as e8:
(num, msg) = e8.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=2,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lockoutTime=0,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
time.sleep(self.lockout_observation_window + 1)
res = self._check_account(userdn,
badPwdCount=2, effective_bad_password_count=0,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lockoutTime=0,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
self.fail()
except LdbError as e9:
(num, msg) = e9.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=1,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lockoutTime=0,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
# The correct password without letting the timeout expire
creds_lockout.set_password(userpass)
ldb_lockout = SamDB(url=self.host_url, credentials=creds_lockout, lp=self.lp)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lockoutTime=0,
lastLogon=("greater", lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
def _test_multiple_logon(self, creds):
# Test the happy case in which a user logs on correctly, then
# logs on correctly again, so that the bad password and
# lockout times are both zero the second time. The lastlogon
# time should increase.
# Open a second LDB connection with the user credentials. Use the
# command line credentials for informations like the domain, the realm
# and the workstation.
username = creds.get_username()
userdn = "cn=%s,cn=users,%s" % (username, self.base_dn)
use_kerberos = creds.get_kerberos_state()
if use_kerberos == MUST_USE_KERBEROS:
print("Testing multiple logon with Kerberos")
logoncount_relation = 'greater'
lastlogon_relation = 'greater'
else:
print("Testing multiple logon with NTLM")
logoncount_relation = 'equal'
lastlogon_relation = 'equal'
SamDB(url=self.host_url, credentials=self.insta_creds(creds), lp=self.lp)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=("greater", 0),
logonCount=(logoncount_relation, 0),
lastLogon=("greater", 0),
lastLogonTimestamp=("greater", 0),
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
logonCount = int(res[0]["logonCount"][0])
lastLogon = int(res[0]["lastLogon"][0])
lastLogonTimestamp = int(res[0]["lastLogonTimestamp"][0])
firstLogon = lastLogon
print("last logon is %d" % lastLogon)
self.assertGreater(lastLogon, badPasswordTime)
self.assertGreaterEqual(lastLogon, lastLogonTimestamp)
time.sleep(1)
SamDB(url=self.host_url, credentials=self.insta_creds(creds), lp=self.lp)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lastLogon=(lastlogon_relation, lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0,
msg=("second logon, firstlogon was %s" %
firstLogon))
lastLogon = int(res[0]["lastLogon"][0])
time.sleep(1)
SamDB(url=self.host_url, credentials=self.insta_creds(creds), lp=self.lp)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lastLogon=(lastlogon_relation, lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=
dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
class LDAPBackend(ProvisionBackend):
def __init__(self, backend_type, paths=None, lp=None,
names=None, logger=None, domainsid=None,
schema=None, hostname=None, ldapadminpass=None,
slapd_path=None, ldap_backend_extra_port=None,
ldap_backend_forced_uri=None, ldap_dryrun_mode=False):
super(LDAPBackend, self).__init__(backend_type=backend_type,
paths=paths, lp=lp,
names=names, logger=logger)
self.domainsid = domainsid
self.schema = schema
self.hostname = hostname
self.ldapdir = os.path.join(paths.private_dir, "ldap")
self.ldapadminpass = ldapadminpass
self.slapd_path = slapd_path
self.slapd_command = None
self.slapd_command_escaped = None
self.slapd_pid = os.path.join(self.ldapdir, "slapd.pid")
self.ldap_backend_extra_port = ldap_backend_extra_port
self.ldap_dryrun_mode = ldap_dryrun_mode
if ldap_backend_forced_uri is not None:
self.ldap_uri = ldap_backend_forced_uri
else:
self.ldap_uri = "ldapi://%s" % urllib_quote(
os.path.join(self.ldapdir, "ldapi"), safe="")
if not os.path.exists(self.ldapdir):
os.mkdir(self.ldapdir)
def init(self):
from samba.provision import ProvisioningError
# we will shortly start slapd with ldapi for final provisioning. first
# check with ldapsearch -> rootDSE via self.ldap_uri if another
# instance of slapd is already running
try:
ldapi_db = Ldb(self.ldap_uri)
ldapi_db.search(base="", scope=SCOPE_BASE,
expression="(objectClass=OpenLDAProotDSE)")
try:
f = open(self.slapd_pid, "r")
except IOError as err:
if err != errno.ENOENT:
raise
else:
try:
p = f.read()
finally:
f.close()
self.logger.info("Check for slapd process with PID: %s and terminate it manually." % p)
raise SlapdAlreadyRunning(self.ldap_uri)
except LdbError:
# XXX: We should never be catching all Ldb errors
pass
# Try to print helpful messages when the user has not specified the
# path to slapd
if self.slapd_path is None:
raise ProvisioningError("Warning: LDAP-Backend must be setup with path to slapd, e.g. --slapd-path=\"/usr/local/libexec/slapd\"!")
if not os.path.exists(self.slapd_path):
self.logger.warning("Path (%s) to slapd does not exist!",
self.slapd_path)
if not os.path.isdir(self.ldapdir):
os.makedirs(self.ldapdir, 0o700)
# Put the LDIF of the schema into a database so we can search on
# it to generate schema-dependent configurations in Fedora DS and
# OpenLDAP
schemadb_path = os.path.join(self.ldapdir, "schema-tmp.ldb")
try:
os.unlink(schemadb_path)
except OSError:
pass
self.schema.write_to_tmp_ldb(schemadb_path)
self.credentials = Credentials()
self.credentials.guess(self.lp)
# Kerberos to an ldapi:// backend makes no sense (we also force EXTERNAL)
self.credentials.set_kerberos_state(DONT_USE_KERBEROS)
self.credentials.set_username("samba-admin")
self.credentials.set_password(self.ldapadminpass)
self.credentials.set_forced_sasl_mech("EXTERNAL")
self.provision()
def provision(self):
pass
def start(self):
from samba.provision import ProvisioningError
self.slapd_command_escaped = "\'" + "\' \'".join(self.slapd_command) + "\'"
ldap_backend_script = os.path.join(self.ldapdir, "ldap_backend_startup.sh")
f = open(ldap_backend_script, 'w')
try:
f.write("#!/bin/sh\n" + self.slapd_command_escaped + " $@\n")
finally:
f.close()
os.chmod(ldap_backend_script, 0o755)
# Now start the slapd, so we can provision onto it. We keep the
# subprocess context around, to kill this off at the successful
# end of the script
self.slapd = subprocess.Popen(self.slapd_provision_command,
close_fds=True, shell=False)
count = 0
while self.slapd.poll() is None:
# Wait until the socket appears
try:
time.sleep(1)
ldapi_db = Ldb(self.ldap_uri, lp=self.lp, credentials=self.credentials)
ldapi_db.search(base="", scope=SCOPE_BASE,
expression="(objectClass=OpenLDAProotDSE)")
# If we have got here, then we must have a valid connection to
# the LDAP server!
return
except LdbError:
count = count + 1
if count > 15:
self.logger.error("Could not connect to slapd started with: %s" % "\'" + "\' \'".join(self.slapd_provision_command) + "\'")
raise ProvisioningError("slapd never accepted a connection within 15 seconds of starting")
self.logger.error("Could not start slapd with: %s" % "\'" + "\' \'".join(self.slapd_provision_command) + "\'")
raise ProvisioningError("slapd died before we could make a connection to it")
def shutdown(self):
# if an LDAP backend is in use, terminate slapd after final provision
# and check its proper termination
if self.slapd.poll() is None:
# Kill the slapd
if getattr(self.slapd, "terminate", None) is not None:
self.slapd.terminate()
else:
# Older python versions don't have .terminate()
import signal
os.kill(self.slapd.pid, signal.SIGTERM)
# and now wait for it to die
self.slapd.communicate()
def post_setup(self):
return LDAPBackendResult(self.slapd_command_escaped,
self.ldapdir)
class PyCredentialsTests(TestCase):
def setUp(self):
super(PyCredentialsTests, self).setUp()
self.server = os.environ["SERVER"]
self.domain = os.environ["DOMAIN"]
self.host = os.environ["SERVER_IP"]
self.lp = self.get_loadparm()
self.credentials = self.get_credentials()
self.session = system_session()
self.ldb = SamDB(url="ldap://%s" % self.host,
session_info=self.session,
credentials=self.credentials,
lp=self.lp)
self.create_machine_account()
self.create_user_account()
def tearDown(self):
super(PyCredentialsTests, self).tearDown()
delete_force(self.ldb, self.machine_dn)
delete_force(self.ldb, self.user_dn)
# Until a successful netlogon connection has been established there will
# not be a valid authenticator associated with the credentials
# and new_client_authenticator should throw a ValueError
def test_no_netlogon_connection(self):
self.assertRaises(ValueError,
self.machine_creds.new_client_authenticator)
# Once a netlogon connection has been established,
# new_client_authenticator should return a value
#
def test_have_netlogon_connection(self):
c = self.get_netlogon_connection()
a = self.machine_creds.new_client_authenticator()
self.assertIsNotNone(a)
# Get an authenticator and use it on a sequence of operations requiring
# an authenticator
def test_client_authenticator(self):
c = self.get_netlogon_connection()
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonSamLogonWithFlags(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
def test_SamLogonEx(self):
c = self.get_netlogon_connection()
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
try:
c.netr_LogonSamLogonEx(self.server,
self.user_creds.get_workstation(),
logon_level,
logon,
validation_level,
netr_flags)
except NTSTATUSError as e:
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
self.fail("got wrong password error")
else:
raise
def test_SamLogonEx_no_domain(self):
c = self.get_netlogon_connection()
self.user_creds.set_domain('')
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
try:
c.netr_LogonSamLogonEx(self.server,
self.user_creds.get_workstation(),
logon_level,
logon,
validation_level,
netr_flags)
except NTSTATUSError as e:
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
self.fail("got wrong password error")
else:
self.fail("got unexpected error" + str(e))
def test_SamLogonExNTLM(self):
c = self.get_netlogon_connection()
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds,
flags=CLI_CRED_NTLM_AUTH)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
try:
c.netr_LogonSamLogonEx(self.server,
self.user_creds.get_workstation(),
logon_level,
logon,
validation_level,
netr_flags)
except NTSTATUSError as e:
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
self.fail("got wrong password error")
else:
raise
def test_SamLogonExMSCHAPv2(self):
c = self.get_netlogon_connection()
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds,
flags=CLI_CRED_NTLM_AUTH)
logon.identity_info.parameter_control = MSV1_0_ALLOW_MSVCHAPV2
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
try:
c.netr_LogonSamLogonEx(self.server,
self.user_creds.get_workstation(),
logon_level,
logon,
validation_level,
netr_flags)
except NTSTATUSError as e:
enum = ctypes.c_uint32(e.args[0]).value
if enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
self.fail("got wrong password error")
else:
raise
# Test Credentials.encrypt_netr_crypt_password
# By performing a NetrServerPasswordSet2
# And the logging on using the new password.
def test_encrypt_netr_password(self):
# Change the password
self.do_Netr_ServerPasswordSet2()
# Now use the new password to perform an operation
srvsvc.srvsvc("ncacn_np:%s" % (self.server),
self.lp,
self.machine_creds)
# Change the current machine account password with a
# netr_ServerPasswordSet2 call.
def do_Netr_ServerPasswordSet2(self):
c = self.get_netlogon_connection()
(authenticator, subsequent) = self.get_authenticator(c)
PWD_LEN = 32
DATA_LEN = 512
newpass = samba.generate_random_password(PWD_LEN, PWD_LEN)
encoded = newpass.encode('utf-16-le')
pwd_len = len(encoded)
filler = [x if isinstance(x, int) else ord(x) for x in os.urandom(DATA_LEN - pwd_len)]
pwd = netlogon.netr_CryptPassword()
pwd.length = pwd_len
pwd.data = filler + [x if isinstance(x, int) else ord(x) for x in encoded]
self.machine_creds.encrypt_netr_crypt_password(pwd)
c.netr_ServerPasswordSet2(self.server,
self.machine_creds.get_workstation(),
SEC_CHAN_WKSTA,
self.machine_name,
authenticator,
pwd)
self.machine_pass = newpass
self.machine_creds.set_password(newpass)
# Establish sealed schannel netlogon connection over TCP/IP
#
def get_netlogon_connection(self):
return netlogon.netlogon("ncacn_ip_tcp:%s[schannel,seal]" % self.server,
self.lp,
self.machine_creds)
#
# Create the machine account
def create_machine_account(self):
self.machine_pass = samba.generate_random_password(32, 32)
self.machine_name = MACHINE_NAME
self.machine_dn = "cn=%s,%s" % (self.machine_name, self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.machine_dn)
utf16pw = ('"%s"' % get_string(self.machine_pass)).encode('utf-16-le')
self.ldb.add({
"dn": self.machine_dn,
"objectclass": "computer",
"sAMAccountName": "%s$" % self.machine_name,
"userAccountControl":
str(UF_WORKSTATION_TRUST_ACCOUNT | UF_PASSWD_NOTREQD),
"unicodePwd": utf16pw})
self.machine_creds = Credentials()
self.machine_creds.guess(self.get_loadparm())
self.machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
self.machine_creds.set_kerberos_state(DONT_USE_KERBEROS)
self.machine_creds.set_password(self.machine_pass)
self.machine_creds.set_username(self.machine_name + "$")
self.machine_creds.set_workstation(self.machine_name)
#
# Create a test user account
def create_user_account(self):
self.user_pass = samba.generate_random_password(32, 32)
self.user_name = USER_NAME
self.user_dn = "cn=%s,%s" % (self.user_name, self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.user_dn)
utf16pw = ('"%s"' % get_string(self.user_pass)).encode('utf-16-le')
self.ldb.add({
"dn": self.user_dn,
"objectclass": "user",
"sAMAccountName": "%s" % self.user_name,
"userAccountControl": str(UF_NORMAL_ACCOUNT),
"unicodePwd": utf16pw})
self.user_creds = Credentials()
self.user_creds.guess(self.get_loadparm())
self.user_creds.set_password(self.user_pass)
self.user_creds.set_username(self.user_name)
self.user_creds.set_workstation(self.machine_name)
pass
#
# Get the authenticator from the machine creds.
def get_authenticator(self, c):
auth = self.machine_creds.new_client_authenticator()
current = netr_Authenticator()
current.cred.data = [x if isinstance(x, int) else ord(x) for x in auth["credential"]]
current.timestamp = auth["timestamp"]
subsequent = netr_Authenticator()
return (current, subsequent)
def do_NetrLogonSamLogonWithFlags(self, c, current, subsequent):
logon = samlogon_logon_info(self.domain,
self.machine_name,
self.user_creds)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
c.netr_LogonSamLogonWithFlags(self.server,
self.user_creds.get_workstation(),
current,
subsequent,
logon_level,
logon,
validation_level,
netr_flags)
def do_NetrLogonGetDomainInfo(self, c, current, subsequent):
query = netr_WorkstationInformation()
c.netr_LogonGetDomainInfo(self.server,
self.user_creds.get_workstation(),
current,
subsequent,
2,
query)
class PassWordHashLDAPTests(PassWordHashTests):
def setUp(self):
super(PassWordHashLDAPTests, self).setUp()
# Get the supplemental credentials for the user under test
def get_supplemental_creds_drs(self):
binding_str = "ncacn_ip_tcp:%s[seal]" % os.environ["SERVER"]
dn = "cn=" + USER_NAME + ",cn=users," + self.base_dn
drs = drsuapi.drsuapi(binding_str, self.get_loadparm(), self.creds)
(drs_handle, supported_extensions) = drs_utils.drs_DsBind(drs)
req8 = drsuapi.DsGetNCChangesRequest8()
null_guid = misc.GUID()
req8.destination_dsa_guid = null_guid
req8.source_dsa_invocation_id = null_guid
req8.naming_context = drsuapi.DsReplicaObjectIdentifier()
req8.naming_context.dn = unicode(dn)
req8.highwatermark = drsuapi.DsReplicaHighWaterMark()
req8.highwatermark.tmp_highest_usn = 0
req8.highwatermark.reserved_usn = 0
req8.highwatermark.highest_usn = 0
req8.uptodateness_vector = None
req8.replica_flags = (drsuapi.DRSUAPI_DRS_INIT_SYNC |
drsuapi.DRSUAPI_DRS_PER_SYNC |
drsuapi.DRSUAPI_DRS_GET_ANC |
drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
drsuapi.DRSUAPI_DRS_WRIT_REP)
req8.max_object_count = 402
req8.max_ndr_size = 402116
req8.extended_op = drsuapi.DRSUAPI_EXOP_REPL_OBJ
req8.fsmo_info = 0
req8.partial_attribute_set = None
req8.partial_attribute_set_ex = None
req8.mapping_ctr.num_mappings = 0
req8.mapping_ctr.mappings = None
(level, ctr) = drs.DsGetNCChanges(drs_handle, 8, req8)
obj_item = ctr.first_object
obj = obj_item.object
sc_blob = None
for i in range(0, obj.attribute_ctr.num_attributes):
attr = obj.attribute_ctr.attributes[i]
if attid_equal(attr.attid,
drsuapi.DRSUAPI_ATTID_supplementalCredentials):
net_ctx = net.Net(self.creds)
net_ctx.replicate_decrypt(drs, attr, 0)
sc_blob = attr.value_ctr.values[0].blob
sc = ndr_unpack(drsblobs.supplementalCredentialsBlob, sc_blob)
return sc
def test_wDigest_supplementalCredentials(self):
self.creds = Credentials()
self.creds.set_username(os.environ["USERNAME"])
self.creds.set_password(os.environ["PASSWORD"])
self.creds.guess(self.lp)
ldb = SamDB("ldap://" + os.environ["SERVER"],
credentials=self.creds,
lp=self.lp)
self.add_user(ldb=ldb)
sc = self.get_supplemental_creds_drs()
(pos, package) = get_package(sc, "Primary:WDigest")
self.assertEquals("Primary:WDigest", package.name)
# Check that the WDigest values are correct.
#
digests = ndr_unpack(drsblobs.package_PrimaryWDigestBlob,
binascii.a2b_hex(package.data))
self.check_wdigests(digests)
class SmbCaclsBlockboxTestBase(BlackboxTestCase):
def setUp(self):
super(SmbCaclsBlockboxTestBase, self).setUp()
self.lp = s3param.get_context()
self.server = os.environ["SERVER"]
self.user = os.environ["USER"]
self.passwd = os.environ["PASSWORD"]
self.creds = Credentials()
self.creds.guess(self.lp)
self.creds.set_username(self.user)
self.creds.set_password(self.passwd)
self.testdir = os.getenv("TESTDIR", "smbcacls")
self.share = os.getenv("SHARE", "tmp")
self.dirpath = os.path.join(os.environ["LOCAL_PATH"],self.testdir)
def tearDown(self):
try:
# remote removal doesn't seem to work with dfs share(s)
# #TODO find out if this is intentional (it very well might be)
# so if we fail with remote remove perform local remove
# (of remote files) instead
smbclient_args = self.build_test_cmd("smbclient", ["//%s/%s" % (self.server, self.share), "-c", "deltree %s/*" % self.testdir])
out = self.check_output(smbclient_args)
if "NT_STATUS_OBJECT_PATH_NOT_FOUND" in out.decode():
raise Exception("deltree: failed without setting errcode")
except Exception as e:
print("remote remove failed: %s" % str(e))
print("falling back to removing contents of local dir: %s" % self.dirpath)
if os.path.exists(self.dirpath):
for entry in os.listdir(self.dirpath):
fullpath = os.path.join(self.dirpath, entry)
if os.path.isdir(fullpath):
import shutil
shutil.rmtree(fullpath)
else:
os.unlink(fullpath)
def ace_dump(self, ace):
for key, value in ace.items():
print ("%s=%s," % (key, value), end="")
print ("")
def ace_cmp(self, left, right):
for key, value in left.items():
if key == "user_dom":
continue
if not key in right:
print ("no entry for: %s" % key)
return False
if value != right[key]:
print ("mismatch: %s:%s != %s:%s" % (key, value, key, right[key]))
return False
return True
def ace_parse_str(self, ace):
parts = ace.split(':')
result = {}
if parts[0] != "ACL":
raise Exception("invalid ace string:%" % ace)
if "\\" in parts[1]:
result["user_dom"], result["user"] = parts[1].split("\\")
elif "/" in parts[1]:
result["user_dom"], result["user"] = parts[1].split("/")
else:
result["user"] = parts[1]
result["type"], result["inherit"], result["permissions"] = parts[2].split('/')
return result
def build_test_cmd(self, cmd, args):
cmd = [cmd, "-U%s%%%s" % (self.user, self.passwd)]
cmd.extend(args)
return cmd
def smb_cacls(self, args):
cacls_args = ["//%s/%s" % (self.server, self.share)]
cacls_args.extend(args)
out = self.check_output(self.build_test_cmd("smbcacls", cacls_args))
return out
def create_remote_test_file(self, remotepath):
with self.mktemp() as tmpfile:
filepath = os.path.join(self.testdir, remotepath)
(dirpath, filename) = os.path.split(remotepath)
remote_path = ""
if len(dirpath):
remote_path = self.testdir.replace("/", "\\", 10)
for seg in dirpath.split(os.sep):
remote_path = remote_path + "\\" + seg
smbclient_args = self.build_test_cmd("smbclient", ["//%s/%s" % (self.server, self.share), "-c", "mkdir %s" % remote_path])
self.check_output(smbclient_args)
smbclient_args = self.build_test_cmd("smbclient", ["//%s/%s" % (self.server, self.share), "-c", "put %s %s" % (tmpfile, filepath)])
out = self.check_output(smbclient_args)
return filepath
def file_ace_check(self, remotepath, ace):
smbcacls_args = self.build_test_cmd("smbcacls",
["//%s/%s" % (self.server, self.share), "--get",
remotepath])
try:
output = self.check_output(smbcacls_args)
except BlackboxProcessError as e:
print(str(e))
return False
out_str = output.decode()
aces = []
for line in out_str.split("\n"):
if line.startswith("ACL"):
aces.append(line)
for acl in aces:
acl_ace = self.ace_parse_str(acl)
if ace["user"] == acl_ace["user"] and ace["type"] == acl_ace["type"]:
print ("found ACE for %s" % acl_ace["user"])
if not self.ace_cmp(acl_ace, ace):
print ("differences between file ACE: ")
self.ace_dump(acl_ace)
print ("and expected ACE: ")
self.ace_dump(ace)
else:
print ("matched ACE for %s" % acl_ace["user"])
self.ace_dump(ace)
return True
return False
class PyKrb5CredentialsTests(TestCase):
def setUp(self):
super(PyKrb5CredentialsTests, self).setUp()
self.server = os.environ["SERVER"]
self.domain = os.environ["DOMAIN"]
self.host = os.environ["SERVER_IP"]
self.lp = self.get_loadparm()
self.credentials = self.get_credentials()
self.session = system_session()
self.ldb = SamDB(url="ldap://%s" % self.host,
session_info=self.session,
credentials=self.credentials,
lp=self.lp)
self.create_machine_account()
def tearDown(self):
super(PyKrb5CredentialsTests, self).tearDown()
delete_force(self.ldb, self.machine_dn)
def test_get_named_ccache(self):
name = "MEMORY:py_creds_machine"
ccache = self.machine_creds.get_named_ccache(self.lp,
name)
self.assertEqual(ccache.get_name(), name)
def test_get_unnamed_ccache(self):
ccache = self.machine_creds.get_named_ccache(self.lp)
self.assertIsNotNone(ccache.get_name())
def test_set_named_ccache(self):
ccache = self.machine_creds.get_named_ccache(self.lp)
creds = Credentials()
creds.set_named_ccache(ccache.get_name())
ccache2 = creds.get_named_ccache(self.lp)
self.assertEqual(ccache.get_name(), ccache2.get_name())
#
# Create the machine account
def create_machine_account(self):
self.machine_pass = samba.generate_random_password(32, 32)
self.machine_name = MACHINE_NAME
self.machine_dn = "cn=%s,%s" % (self.machine_name, self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.machine_dn)
# get unicode str for both py2 and py3
pass_unicode = self.machine_pass.encode('utf-8').decode('utf-8')
utf16pw = u'"{}"'.format(pass_unicode).encode('utf-16-le')
self.ldb.add({
"dn": self.machine_dn,
"objectclass": "computer",
"sAMAccountName": "%s$" % self.machine_name,
"userAccountControl":
str(UF_WORKSTATION_TRUST_ACCOUNT | UF_PASSWD_NOTREQD),
"unicodePwd": utf16pw})
self.machine_creds = Credentials()
self.machine_creds.guess(self.get_loadparm())
self.machine_creds.set_password(self.machine_pass)
self.machine_creds.set_username(self.machine_name + "$")
self.machine_creds.set_workstation(self.machine_name)
def setUp(self):
super(PasswordTests, self).setUp()
self.ldb = SamDB(url=host, session_info=system_session(lp), credentials=creds, lp=lp)
# Gets back the basedn
base_dn = self.ldb.domain_dn()
# Gets back the configuration basedn
configuration_dn = self.ldb.get_config_basedn().get_linearized()
# permit password changes during this test
self.allow_password_changes()
self.base_dn = self.ldb.domain_dn()
# (Re)adds the test user "testuser" with no password atm
delete_force(self.ldb, "cn=testuser,cn=users," + self.base_dn)
self.ldb.add({
"dn": "cn=testuser,cn=users," + self.base_dn,
"objectclass": "user",
"sAMAccountName": "testuser"})
# Tests a password change when we don't have any password yet with a
# wrong old password
try:
self.ldb.modify_ldif("""
dn: cn=testuser,cn=users,""" + self.base_dn + """
changetype: modify
delete: userPassword
userPassword: noPassword
add: userPassword
userPassword: thatsAcomplPASS2
""")
self.fail()
except LdbError as e:
(num, msg) = e.args
self.assertEquals(num, ERR_CONSTRAINT_VIOLATION)
# Windows (2008 at least) seems to have some small bug here: it
# returns "0000056A" on longer (always wrong) previous passwords.
self.assertTrue('00000056' in msg)
# Sets the initial user password with a "special" password change
# I think that this internally is a password set operation and it can
# only be performed by someone which has password set privileges on the
# account (at least in s4 we do handle it like that).
self.ldb.modify_ldif("""
dn: cn=testuser,cn=users,""" + self.base_dn + """
changetype: modify
delete: userPassword
add: userPassword
userPassword: thatsAcomplPASS1
""")
# But in the other way around this special syntax doesn't work
try:
self.ldb.modify_ldif("""
dn: cn=testuser,cn=users,""" + self.base_dn + """
changetype: modify
delete: userPassword
userPassword: thatsAcomplPASS1
add: userPassword
""")
self.fail()
except LdbError as e1:
(num, _) = e1.args
self.assertEquals(num, ERR_CONSTRAINT_VIOLATION)
# Enables the user account
self.ldb.enable_account("(sAMAccountName=testuser)")
# Open a second LDB connection with the user credentials. Use the
# command line credentials for informations like the domain, the realm
# and the workstation.
creds2 = Credentials()
creds2.set_username("testuser")
creds2.set_password("thatsAcomplPASS1")
creds2.set_domain(creds.get_domain())
creds2.set_realm(creds.get_realm())
creds2.set_workstation(creds.get_workstation())
creds2.set_gensec_features(creds2.get_gensec_features()
| gensec.FEATURE_SEAL)
self.ldb2 = SamDB(url=host, credentials=creds2, lp=lp)
credopts.add_option('--krb5-ccache',
dest='krb5_ccache',
help='Kerberos Credentials cache')
parser.add_option_group(credopts)
# Set the options and the arguments
(opts, args) = parser.parse_args()
# Set the loadparm context
lp = LoadParm()
if os.getenv("SMB_CONF_PATH") is not None:
lp.load(os.getenv("SMB_CONF_PATH"))
else:
lp.load_default()
# Initialize the session
creds = Credentials()
if opts.username and opts.password:
creds.set_username(opts.username)
creds.set_password(opts.password)
elif opts.krb5_ccache:
creds.set_named_ccache(opts.krb5_ccache)
creds.guess(lp)
from dialogs import GPMC, GPME
from yast import UISequencer
s = UISequencer(lp, creds)
funcs = [(lambda lp, creds: GPMC(lp, creds).Show()),
(lambda gpo, lp, creds: GPME(gpo, lp, creds).Show())]
s.run(funcs)
class AuthLogTestsWinbind(AuthLogTestBase, BlackboxTestCase):
#
# Helper function to watch for authentication messages on the
# Domain Controller.
#
def dc_watcher(self):
(r1, w1) = os.pipe()
pid = os.fork()
if pid != 0:
# Parent process return the result socket to the caller.
return r1
# Load the lp context for the Domain Controller, rather than the
# member server.
config_file = os.environ["DC_SERVERCONFFILE"]
lp_ctx = LoadParm()
lp_ctx.load(config_file)
#
# Is the message a SamLogon authentication?
def is_sam_logon(m):
if m is None:
return False
msg = json.loads(m)
return (msg["type"] == "Authentication" and
msg["Authentication"]["serviceDescription"] == "SamLogon")
#
# Handler function for received authentication messages.
def message_handler(context, msgType, src, message):
# Print the message to help debugging the tests.
# as it's a JSON message it does not look like a sub-unit message.
print(message)
self.dc_msgs.append(message)
# Set up a messaging context to listen for authentication events on
# the domain controller.
msg_ctx = Messaging((1, ), lp_ctx=lp_ctx)
msg_ctx.irpc_add_name(AUTH_EVENT_NAME)
msg_handler_and_context = (message_handler, None)
msg_ctx.register(msg_handler_and_context, msg_type=MSG_AUTH_LOG)
# Wait for the SamLogon message.
# As there could be other SamLogon's in progress we need to collect
# all the SamLogons and let the caller match them to the session.
self.dc_msgs = []
start_time = time.time()
while (time.time() - start_time < 1):
msg_ctx.loop_once(0.1)
# Only interested in SamLogon messages, filter out the rest
msgs = list(filter(is_sam_logon, self.dc_msgs))
if msgs:
for m in msgs:
m += "\n"
os.write(w1, get_bytes(m))
else:
os.write(w1, get_bytes("None\n"))
os.close(w1)
msg_ctx.deregister(msg_handler_and_context, msg_type=MSG_AUTH_LOG)
msg_ctx.irpc_remove_name(AUTH_EVENT_NAME)
os._exit(0)
# Remove any DCE/RPC ncacn_np messages
# these only get triggered once per session, and stripping them out
# avoids ordering dependencies in the tests
#
def filter_messages(self, messages):
def keep(msg):
if (msg["type"] == "Authorization"
and msg["Authorization"]["serviceDescription"] == "DCE/RPC"
and msg["Authorization"]["authType"] == "ncacn_np"):
return False
else:
return True
return list(filter(keep, messages))
def setUp(self):
super(AuthLogTestsWinbind, self).setUp()
self.domain = os.environ["DOMAIN"]
self.host = os.environ["SERVER"]
self.dc = os.environ["DC_SERVER"]
self.lp = self.get_loadparm()
self.credentials = self.get_credentials()
self.session = system_session()
self.ldb = SamDB(url="ldap://{0}".format(self.dc),
session_info=self.session,
credentials=self.credentials,
lp=self.lp)
self.create_user_account()
def tearDown(self):
super(AuthLogTestsWinbind, self).tearDown()
delete_force(self.ldb, self.user_dn)
#
# Create a test user account
def create_user_account(self):
self.user_pass = self.random_password()
self.user_name = USER_NAME
self.user_dn = "cn=%s,%s" % (self.user_name, self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.user_dn)
utf16pw = ('"%s"' % get_string(self.user_pass)).encode('utf-16-le')
self.ldb.add({
"dn": self.user_dn,
"objectclass": "user",
"sAMAccountName": "%s" % self.user_name,
"userAccountControl": str(UF_NORMAL_ACCOUNT),
"unicodePwd": utf16pw
})
self.user_creds = Credentials()
self.user_creds.guess(self.get_loadparm())
self.user_creds.set_password(self.user_pass)
self.user_creds.set_username(self.user_name)
self.user_creds.set_workstation(self.server)
#
# Check that the domain server received a SamLogon request for the
# current logon.
#
def check_domain_server_authentication(self, pipe, logon_id, description):
messages = os.read(pipe, 8192)
messages = get_string(messages)
if len(messages) == 0 or messages == "None":
self.fail("No Domain server authentication message")
#
# Look for the SamLogon request matching logon_id
msg = None
for message in messages.split("\n"):
msg = json.loads(get_string(message))
if logon_id == msg["Authentication"]["logonId"]:
break
msg = None
if msg is None:
self.fail("No Domain server authentication message")
#
# Validate that message contains the expected data
#
self.assertEquals("Authentication", msg["type"])
self.assertEquals(logon_id, msg["Authentication"]["logonId"])
self.assertEquals("SamLogon",
msg["Authentication"]["serviceDescription"])
self.assertEquals(description,
msg["Authentication"]["authDescription"])
def test_ntlm_auth(self):
def isLastExpectedMessage(msg):
DESC = "PAM_AUTH, ntlm_auth"
return (
msg["type"] == "Authentication"
and msg["Authentication"]["serviceDescription"] == "winbind"
and msg["Authentication"]["authDescription"] is not None
and msg["Authentication"]["authDescription"].startswith(DESC))
pipe = self.dc_watcher()
COMMAND = "bin/ntlm_auth"
self.check_run("{0} --username={1} --password={2}".format(
COMMAND, self.credentials.get_username(),
self.credentials.get_password()),
msg="ntlm_auth failed")
messages = self.waitForMessages(isLastExpectedMessage)
messages = self.filter_messages(messages)
expected_messages = 1
self.assertEquals(expected_messages, len(messages),
"Did not receive the expected number of messages")
# Check the first message it should be an Authentication
msg = messages[0]
self.assertEquals("Authentication", msg["type"])
self.assertTrue(msg["Authentication"]["authDescription"].startswith(
"PAM_AUTH, ntlm_auth,"))
self.assertEquals("winbind",
msg["Authentication"]["serviceDescription"])
self.assertEquals("Plaintext", msg["Authentication"]["passwordType"])
# Logon type should be NetworkCleartext
self.assertEquals(8, msg["Authentication"]["logonType"])
# Event code should be Successful logon
self.assertEquals(4624, msg["Authentication"]["eventId"])
self.assertEquals("unix:", msg["Authentication"]["remoteAddress"])
self.assertEquals("unix:", msg["Authentication"]["localAddress"])
self.assertEquals(self.domain, msg["Authentication"]["clientDomain"])
self.assertEquals("NT_STATUS_OK", msg["Authentication"]["status"])
self.assertEquals(self.credentials.get_username(),
msg["Authentication"]["clientAccount"])
self.assertEquals(self.credentials.get_domain(),
msg["Authentication"]["clientDomain"])
self.assertTrue(msg["Authentication"]["workstation"] is None)
logon_id = msg["Authentication"]["logonId"]
#
# Now check the Domain server authentication message
#
self.check_domain_server_authentication(pipe, logon_id, "interactive")
def test_wbinfo(self):
def isLastExpectedMessage(msg):
DESC = "NTLM_AUTH, wbinfo"
return (
msg["type"] == "Authentication"
and msg["Authentication"]["serviceDescription"] == "winbind"
and msg["Authentication"]["authDescription"] is not None
and msg["Authentication"]["authDescription"].startswith(DESC))
pipe = self.dc_watcher()
COMMAND = "bin/wbinfo"
try:
self.check_run("{0} -a {1}%{2}".format(
COMMAND, self.credentials.get_username(),
self.credentials.get_password()),
msg="ntlm_auth failed")
except BlackboxProcessError:
pass
messages = self.waitForMessages(isLastExpectedMessage)
messages = self.filter_messages(messages)
expected_messages = 3
self.assertEquals(expected_messages, len(messages),
"Did not receive the expected number of messages")
# The 1st message should be an Authentication against the local
# password database
msg = messages[0]
self.assertEquals("Authentication", msg["type"])
self.assertTrue(msg["Authentication"]["authDescription"].startswith(
"PASSDB, wbinfo,"))
self.assertEquals("winbind",
msg["Authentication"]["serviceDescription"])
# Logon type should be Interactive
self.assertEquals(2, msg["Authentication"]["logonType"])
# Event code should be Unsuccessful logon
self.assertEquals(4625, msg["Authentication"]["eventId"])
self.assertEquals("unix:", msg["Authentication"]["remoteAddress"])
self.assertEquals("unix:", msg["Authentication"]["localAddress"])
self.assertEquals('', msg["Authentication"]["clientDomain"])
# This is what the existing winbind implementation returns.
self.assertEquals("NT_STATUS_NO_SUCH_USER",
msg["Authentication"]["status"])
self.assertEquals("NTLMv2", msg["Authentication"]["passwordType"])
self.assertEquals(self.credentials.get_username(),
msg["Authentication"]["clientAccount"])
self.assertEquals("", msg["Authentication"]["clientDomain"])
logon_id = msg["Authentication"]["logonId"]
# The 2nd message should be a PAM_AUTH with the same logon id as the
# 1st message
msg = messages[1]
self.assertEquals("Authentication", msg["type"])
self.assertTrue(
msg["Authentication"]["authDescription"].startswith("PAM_AUTH"))
self.assertEquals("winbind",
msg["Authentication"]["serviceDescription"])
self.assertEquals(logon_id, msg["Authentication"]["logonId"])
# Logon type should be NetworkCleartext
self.assertEquals(8, msg["Authentication"]["logonType"])
# Event code should be Unsuccessful logon
self.assertEquals(4625, msg["Authentication"]["eventId"])
self.assertEquals("unix:", msg["Authentication"]["remoteAddress"])
self.assertEquals("unix:", msg["Authentication"]["localAddress"])
self.assertEquals('', msg["Authentication"]["clientDomain"])
# This is what the existing winbind implementation returns.
self.assertEquals("NT_STATUS_INVALID_HANDLE",
msg["Authentication"]["status"])
self.assertEquals(self.credentials.get_username(),
msg["Authentication"]["clientAccount"])
self.assertEquals("", msg["Authentication"]["clientDomain"])
# The 3rd message should be an NTLM_AUTH
msg = messages[2]
self.assertEquals("Authentication", msg["type"])
self.assertTrue(msg["Authentication"]["authDescription"].startswith(
"NTLM_AUTH, wbinfo,"))
self.assertEquals("winbind",
msg["Authentication"]["serviceDescription"])
# Logon type should be Network
self.assertEquals(3, msg["Authentication"]["logonType"])
self.assertEquals("NT_STATUS_OK", msg["Authentication"]["status"])
# Event code should be successful logon
self.assertEquals(4624, msg["Authentication"]["eventId"])
self.assertEquals("NTLMv2", msg["Authentication"]["passwordType"])
self.assertEquals("unix:", msg["Authentication"]["remoteAddress"])
self.assertEquals("unix:", msg["Authentication"]["localAddress"])
self.assertEquals(self.credentials.get_username(),
msg["Authentication"]["clientAccount"])
self.assertEquals(self.credentials.get_domain(),
msg["Authentication"]["clientDomain"])
logon_id = msg["Authentication"]["logonId"]
#
# Now check the Domain server authentication message
#
self.check_domain_server_authentication(pipe, logon_id, "network")
def test_wbinfo_ntlmv1(self):
def isLastExpectedMessage(msg):
DESC = "NTLM_AUTH, wbinfo"
return (
msg["type"] == "Authentication"
and msg["Authentication"]["serviceDescription"] == "winbind"
and msg["Authentication"]["authDescription"] is not None
and msg["Authentication"]["authDescription"].startswith(DESC))
pipe = self.dc_watcher()
COMMAND = "bin/wbinfo"
try:
self.check_run("{0} --ntlmv1 -a {1}%{2}".format(
COMMAND, self.credentials.get_username(),
self.credentials.get_password()),
msg="ntlm_auth failed")
except BlackboxProcessError:
pass
messages = self.waitForMessages(isLastExpectedMessage)
messages = self.filter_messages(messages)
expected_messages = 3
self.assertEquals(expected_messages, len(messages),
"Did not receive the expected number of messages")
# The 1st message should be an Authentication against the local
# password database
msg = messages[0]
self.assertEquals("Authentication", msg["type"])
self.assertTrue(msg["Authentication"]["authDescription"].startswith(
"PASSDB, wbinfo,"))
self.assertEquals("winbind",
msg["Authentication"]["serviceDescription"])
# Logon type should be Interactive
self.assertEquals(2, msg["Authentication"]["logonType"])
# Event code should be Unsuccessful logon
self.assertEquals(4625, msg["Authentication"]["eventId"])
self.assertEquals("unix:", msg["Authentication"]["remoteAddress"])
self.assertEquals("unix:", msg["Authentication"]["localAddress"])
self.assertEquals('', msg["Authentication"]["clientDomain"])
# This is what the existing winbind implementation returns.
self.assertEquals("NT_STATUS_NO_SUCH_USER",
msg["Authentication"]["status"])
self.assertEquals("NTLMv2", msg["Authentication"]["passwordType"])
self.assertEquals(self.credentials.get_username(),
msg["Authentication"]["clientAccount"])
self.assertEquals("", msg["Authentication"]["clientDomain"])
logon_id = msg["Authentication"]["logonId"]
# The 2nd message should be a PAM_AUTH with the same logon id as the
# 1st message
msg = messages[1]
self.assertEquals("Authentication", msg["type"])
self.assertTrue(
msg["Authentication"]["authDescription"].startswith("PAM_AUTH"))
self.assertEquals("winbind",
msg["Authentication"]["serviceDescription"])
self.assertEquals(logon_id, msg["Authentication"]["logonId"])
self.assertEquals("Plaintext", msg["Authentication"]["passwordType"])
# Logon type should be NetworkCleartext
self.assertEquals(8, msg["Authentication"]["logonType"])
# Event code should be Unsuccessful logon
self.assertEquals(4625, msg["Authentication"]["eventId"])
self.assertEquals("unix:", msg["Authentication"]["remoteAddress"])
self.assertEquals("unix:", msg["Authentication"]["localAddress"])
self.assertEquals('', msg["Authentication"]["clientDomain"])
# This is what the existing winbind implementation returns.
self.assertEquals("NT_STATUS_INVALID_HANDLE",
msg["Authentication"]["status"])
self.assertEquals(self.credentials.get_username(),
msg["Authentication"]["clientAccount"])
self.assertEquals("", msg["Authentication"]["clientDomain"])
# The 3rd message should be an NTLM_AUTH
msg = messages[2]
self.assertEquals("Authentication", msg["type"])
self.assertTrue(msg["Authentication"]["authDescription"].startswith(
"NTLM_AUTH, wbinfo,"))
self.assertEquals("winbind",
msg["Authentication"]["serviceDescription"])
self.assertEquals("NTLMv1", msg["Authentication"]["passwordType"])
# Logon type should be Network
self.assertEquals(3, msg["Authentication"]["logonType"])
self.assertEquals("NT_STATUS_OK", msg["Authentication"]["status"])
# Event code should be successful logon
self.assertEquals(4624, msg["Authentication"]["eventId"])
self.assertEquals("unix:", msg["Authentication"]["remoteAddress"])
self.assertEquals("unix:", msg["Authentication"]["localAddress"])
self.assertEquals(self.credentials.get_username(),
msg["Authentication"]["clientAccount"])
self.assertEquals(self.credentials.get_domain(),
msg["Authentication"]["clientDomain"])
logon_id = msg["Authentication"]["logonId"]
#
# Now check the Domain server authentication message
#
self.check_domain_server_authentication(pipe, logon_id, "network")
class LDAPBackend(ProvisionBackend):
def __init__(self,
backend_type,
paths=None,
lp=None,
names=None,
logger=None,
domainsid=None,
schema=None,
hostname=None,
ldapadminpass=None,
slapd_path=None,
ldap_backend_extra_port=None,
ldap_backend_forced_uri=None,
ldap_dryrun_mode=False):
super(LDAPBackend, self).__init__(backend_type=backend_type,
paths=paths,
lp=lp,
names=names,
logger=logger)
self.domainsid = domainsid
self.schema = schema
self.hostname = hostname
self.ldapdir = os.path.join(paths.private_dir, "ldap")
self.ldapadminpass = ldapadminpass
self.slapd_path = slapd_path
self.slapd_command = None
self.slapd_command_escaped = None
self.slapd_pid = os.path.join(self.ldapdir, "slapd.pid")
self.ldap_backend_extra_port = ldap_backend_extra_port
self.ldap_dryrun_mode = ldap_dryrun_mode
if ldap_backend_forced_uri is not None:
self.ldap_uri = ldap_backend_forced_uri
else:
self.ldap_uri = "ldapi://%s" % urllib_quote(
os.path.join(self.ldapdir, "ldapi"), safe="")
if not os.path.exists(self.ldapdir):
os.mkdir(self.ldapdir)
def init(self):
from samba.provision import ProvisioningError
# we will shortly start slapd with ldapi for final provisioning. first
# check with ldapsearch -> rootDSE via self.ldap_uri if another
# instance of slapd is already running
try:
ldapi_db = Ldb(self.ldap_uri)
ldapi_db.search(base="",
scope=SCOPE_BASE,
expression="(objectClass=OpenLDAProotDSE)")
try:
f = open(self.slapd_pid, "r")
except IOError as err:
if err != errno.ENOENT:
raise
else:
try:
p = f.read()
finally:
f.close()
self.logger.info(
"Check for slapd process with PID: %s and terminate it manually."
% p)
raise SlapdAlreadyRunning(self.ldap_uri)
except LdbError:
# XXX: We should never be catching all Ldb errors
pass
# Try to print helpful messages when the user has not specified the
# path to slapd
if self.slapd_path is None:
raise ProvisioningError(
"Warning: LDAP-Backend must be setup with path to slapd, e.g. --slapd-path=\"/usr/local/libexec/slapd\"!"
)
if not os.path.exists(self.slapd_path):
self.logger.warning("Path (%s) to slapd does not exist!",
self.slapd_path)
if not os.path.isdir(self.ldapdir):
os.makedirs(self.ldapdir, 0o700)
# Put the LDIF of the schema into a database so we can search on
# it to generate schema-dependent configurations in Fedora DS and
# OpenLDAP
schemadb_path = os.path.join(self.ldapdir, "schema-tmp.ldb")
try:
os.unlink(schemadb_path)
except OSError:
pass
self.schema.write_to_tmp_ldb(schemadb_path)
self.credentials = Credentials()
self.credentials.guess(self.lp)
# Kerberos to an ldapi:// backend makes no sense (we also force EXTERNAL)
self.credentials.set_kerberos_state(DONT_USE_KERBEROS)
self.credentials.set_username("samba-admin")
self.credentials.set_password(self.ldapadminpass)
self.credentials.set_forced_sasl_mech("EXTERNAL")
self.provision()
def provision(self):
pass
def start(self):
from samba.provision import ProvisioningError
self.slapd_command_escaped = "\'" + "\' \'".join(
self.slapd_command) + "\'"
ldap_backend_script = os.path.join(self.ldapdir,
"ldap_backend_startup.sh")
f = open(ldap_backend_script, 'w')
try:
f.write("#!/bin/sh\n" + self.slapd_command_escaped + " $@\n")
finally:
f.close()
os.chmod(ldap_backend_script, 0o755)
# Now start the slapd, so we can provision onto it. We keep the
# subprocess context around, to kill this off at the successful
# end of the script
self.slapd = subprocess.Popen(self.slapd_provision_command,
close_fds=True,
shell=False)
count = 0
while self.slapd.poll() is None:
# Wait until the socket appears
try:
time.sleep(1)
ldapi_db = Ldb(self.ldap_uri,
lp=self.lp,
credentials=self.credentials)
ldapi_db.search(base="",
scope=SCOPE_BASE,
expression="(objectClass=OpenLDAProotDSE)")
# If we have got here, then we must have a valid connection to
# the LDAP server!
return
except LdbError:
count = count + 1
if count > 15:
self.logger.error(
"Could not connect to slapd started with: %s" % "\'" +
"\' \'".join(self.slapd_provision_command) + "\'")
raise ProvisioningError(
"slapd never accepted a connection within 15 seconds of starting"
)
self.logger.error("Could not start slapd with: %s" % "\'" +
"\' \'".join(self.slapd_provision_command) + "\'")
raise ProvisioningError(
"slapd died before we could make a connection to it")
def shutdown(self):
# if an LDAP backend is in use, terminate slapd after final provision
# and check its proper termination
if self.slapd.poll() is None:
# Kill the slapd
if getattr(self.slapd, "terminate", None) is not None:
self.slapd.terminate()
else:
# Older python versions don't have .terminate()
import signal
os.kill(self.slapd.pid, signal.SIGTERM)
# and now wait for it to die
self.slapd.communicate()
def post_setup(self):
return LDAPBackendResult(self.slapd_command_escaped, self.ldapdir)
def test_msDSRevealedUsers_using_other_RODC(self):
"""
Ensure that the machine account is tied to the destination DSA.
"""
# Create a new identical RODC with just the first letter missing
other_rodc_name = self.rodc_name[1:]
other_rodc_ctx = DCJoinContext(server=self.ldb_dc1.host_dns_name(),
creds=self.get_credentials(),
lp=self.get_loadparm(), site=self.site,
netbios_name=other_rodc_name,
targetdir=None, domain=None,
machinepass=self.rodc_pass)
self._create_rodc(other_rodc_ctx)
other_rodc_creds = Credentials()
other_rodc_creds.guess(other_rodc_ctx.lp)
other_rodc_creds.set_username(other_rodc_name + '$')
other_rodc_creds.set_password(self.rodc_pass)
(other_rodc_drs, other_rodc_drs_handle) = self._ds_bind(self.dnsname_dc1, other_rodc_creds)
rand = random.randint(1, 10000000)
expected_user_attributes = [drsuapi.DRSUAPI_ATTID_lmPwdHistory,
drsuapi.DRSUAPI_ATTID_supplementalCredentials,
drsuapi.DRSUAPI_ATTID_ntPwdHistory,
drsuapi.DRSUAPI_ATTID_unicodePwd,
drsuapi.DRSUAPI_ATTID_dBCSPwd]
user_name = "test_rodcF_%s" % rand
user_dn = "CN=%s,%s" % (user_name, self.ou)
self.ldb_dc1.add({
"dn": user_dn,
"objectclass": "user",
"sAMAccountName": user_name
})
# Store some secret on this user
self.ldb_dc1.setpassword("(sAMAccountName=%s)" % user_name, 'penguin12#', False, user_name)
self.ldb_dc1.add_remove_group_members("Allowed RODC Password Replication Group",
[user_name],
add_members_operation=True)
req10 = self._getnc_req10(dest_dsa=str(other_rodc_ctx.ntds_guid),
invocation_id=self.ldb_dc1.get_invocation_id(),
nc_dn_str=user_dn,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET,
partial_attribute_set=drs_get_rodc_partial_attribute_set(self.ldb_dc1, self.tmp_samdb),
max_objects=133,
replica_flags=0)
try:
(level, ctr) = self.rodc_drs.DsGetNCChanges(self.rodc_drs_handle, 10, req10)
self.fail("Successfully replicated secrets to an RODC that shouldn't have been replicated.")
except WERRORError as e3:
(enum, estr) = e3.args
self.assertEqual(enum, 8630) # ERROR_DS_DRA_SECRETS_DENIED
req10 = self._getnc_req10(dest_dsa=str(self.rodc_ctx.ntds_guid),
invocation_id=self.ldb_dc1.get_invocation_id(),
nc_dn_str=user_dn,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET,
partial_attribute_set=drs_get_rodc_partial_attribute_set(self.ldb_dc1, self.tmp_samdb),
max_objects=133,
replica_flags=0)
try:
(level, ctr) = other_rodc_drs.DsGetNCChanges(other_rodc_drs_handle, 10, req10)
self.fail("Successfully replicated secrets to an RODC that shouldn't have been replicated.")
except WERRORError as e4:
(enum, estr) = e4.args
self.assertEqual(enum, 8630) # ERROR_DS_DRA_SECRETS_DENIED
def _test_samlogon(self, binding, creds, checkFunction):
def isLastExpectedMessage(msg):
return (
msg["type"] == "Authentication" and
msg["Authentication"]["serviceDescription"] == "SamLogon" and
msg["Authentication"]["authDescription"] == "network" and
msg["Authentication"]["passwordType"] == "NTLMv2" and
(msg["Authentication"]["eventId"] ==
EVT_ID_SUCCESSFUL_LOGON) and
(msg["Authentication"]["logonType"] == EVT_LOGON_NETWORK))
if binding:
binding = "[schannel,%s]" % binding
else:
binding = "[schannel]"
utf16pw = text_type('"' + self.machinepass + '"').encode('utf-16-le')
self.ldb.add({
"dn": self.samlogon_dn,
"objectclass": "computer",
"sAMAccountName": "%s$" % self.netbios_name,
"userAccountControl":
str(UF_WORKSTATION_TRUST_ACCOUNT | UF_PASSWD_NOTREQD),
"unicodePwd": utf16pw})
machine_creds = Credentials()
machine_creds.guess(self.get_loadparm())
machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
machine_creds.set_password(self.machinepass)
machine_creds.set_username(self.netbios_name + "$")
netlogon_conn = netlogon.netlogon("ncalrpc:%s" % binding,
self.get_loadparm(),
machine_creds)
challenge = b"abcdefgh"
target_info = ntlmssp.AV_PAIR_LIST()
target_info.count = 3
domainname = ntlmssp.AV_PAIR()
domainname.AvId = ntlmssp.MsvAvNbDomainName
domainname.Value = self.domain
computername = ntlmssp.AV_PAIR()
computername.AvId = ntlmssp.MsvAvNbComputerName
computername.Value = self.netbios_name
eol = ntlmssp.AV_PAIR()
eol.AvId = ntlmssp.MsvAvEOL
target_info.pair = [domainname, computername, eol]
target_info_blob = ndr_pack(target_info)
response = creds.get_ntlm_response(flags=CLI_CRED_NTLMv2_AUTH,
challenge=challenge,
target_info=target_info_blob)
netr_flags = 0
logon_level = netlogon.NetlogonNetworkTransitiveInformation
logon = samba.dcerpc.netlogon.netr_NetworkInfo()
logon.challenge = [x if isinstance(x,int) else ord(x) for x in challenge]
logon.nt = netlogon.netr_ChallengeResponse()
logon.nt.length = len(response["nt_response"])
logon.nt.data = [x if isinstance(x,int) else ord(x) for x in response["nt_response"]]
logon.identity_info = samba.dcerpc.netlogon.netr_IdentityInfo()
(username, domain) = creds.get_ntlm_username_domain()
logon.identity_info.domain_name.string = domain
logon.identity_info.account_name.string = username
logon.identity_info.workstation.string = creds.get_workstation()
validation_level = samba.dcerpc.netlogon.NetlogonValidationSamInfo4
result = netlogon_conn.netr_LogonSamLogonEx(
os.environ["SERVER"],
machine_creds.get_workstation(),
logon_level, logon,
validation_level, netr_flags)
(validation, authoritative, netr_flags_out) = result
messages = self.waitForMessages(isLastExpectedMessage, netlogon_conn)
checkFunction(messages)
class BasePasswordTestCase(PasswordTestCase):
def _open_samr_user(self, res):
self.assertTrue("objectSid" in res[0])
(domain_sid, rid) = ndr_unpack(security.dom_sid,
res[0]["objectSid"][0]).split()
self.assertEquals(self.domain_sid, domain_sid)
return self.samr.OpenUser(self.samr_domain,
security.SEC_FLAG_MAXIMUM_ALLOWED, rid)
def _check_attribute(self, res, name, value):
if value is None:
self.assertTrue(name not in res[0],
msg="attr[%s]=%r on dn[%s]" %
(name, res[0], res[0].dn))
return
if isinstance(value, tuple):
(mode, value) = value
else:
mode = "equal"
if mode == "ignore":
return
if mode == "absent":
self.assertFalse(name in res[0],
msg="attr[%s] not missing on dn[%s]" %
(name, res[0].dn))
return
self.assertTrue(name in res[0],
msg="attr[%s] missing on dn[%s]" % (name, res[0].dn))
self.assertTrue(len(res[0][name]) == 1,
msg="attr[%s]=%r on dn[%s]" %
(name, res[0][name], res[0].dn))
print("%s = '%s'" % (name, res[0][name][0]))
if mode == "present":
return
if mode == "equal":
v = int(res[0][name][0])
value = int(value)
msg = ("attr[%s]=[%s] != [%s] on dn[%s]\n"
"(diff %d; actual value is %s than expected)" %
(name, v, value, res[0].dn, v - value,
('less' if v < value else 'greater')))
self.assertTrue(v == value, msg)
return
if mode == "greater":
v = int(res[0][name][0])
self.assertTrue(v > int(value),
msg="attr[%s]=[%s] <= [%s] on dn[%s] (diff %d)" %
(name, v, int(value), res[0].dn, v - int(value)))
return
if mode == "less":
v = int(res[0][name][0])
self.assertTrue(v < int(value),
msg="attr[%s]=[%s] >= [%s] on dn[%s] (diff %d)" %
(name, v, int(value), res[0].dn, v - int(value)))
return
self.assertEqual(mode, not mode, "Invalid Mode[%s]" % mode)
def _check_account_initial(self, userdn):
self._check_account(userdn,
badPwdCount=0,
badPasswordTime=0,
logonCount=0,
lastLogon=0,
lastLogonTimestamp=("absent", None),
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
def _check_account(self,
dn,
badPwdCount=None,
badPasswordTime=None,
logonCount=None,
lastLogon=None,
lastLogonTimestamp=None,
lockoutTime=None,
userAccountControl=None,
msDSUserAccountControlComputed=None,
effective_bad_password_count=None,
msg=None,
badPwdCountOnly=False):
print('-=' * 36)
if msg is not None:
print("\033[01;32m %s \033[00m\n" % msg)
attrs = [
"objectSid", "badPwdCount", "badPasswordTime", "lastLogon",
"lastLogonTimestamp", "logonCount", "lockoutTime",
"userAccountControl", "msDS-User-Account-Control-Computed"
]
# in order to prevent some time resolution problems we sleep for
# 10 micro second
time.sleep(0.01)
res = self.ldb.search(dn, scope=SCOPE_BASE, attrs=attrs)
self.assertTrue(len(res) == 1)
self._check_attribute(res, "badPwdCount", badPwdCount)
self._check_attribute(res, "lockoutTime", lockoutTime)
self._check_attribute(res, "badPasswordTime", badPasswordTime)
if not badPwdCountOnly:
self._check_attribute(res, "logonCount", logonCount)
self._check_attribute(res, "lastLogon", lastLogon)
self._check_attribute(res, "lastLogonTimestamp",
lastLogonTimestamp)
self._check_attribute(res, "userAccountControl",
userAccountControl)
self._check_attribute(res, "msDS-User-Account-Control-Computed",
msDSUserAccountControlComputed)
lastLogon = int(res[0]["lastLogon"][0])
logonCount = int(res[0]["logonCount"][0])
samr_user = self._open_samr_user(res)
uinfo3 = self.samr.QueryUserInfo(samr_user, 3)
uinfo5 = self.samr.QueryUserInfo(samr_user, 5)
uinfo16 = self.samr.QueryUserInfo(samr_user, 16)
uinfo21 = self.samr.QueryUserInfo(samr_user, 21)
self.samr.Close(samr_user)
expected_acb_info = 0
if not badPwdCountOnly:
if userAccountControl & dsdb.UF_NORMAL_ACCOUNT:
expected_acb_info |= samr.ACB_NORMAL
if userAccountControl & dsdb.UF_ACCOUNTDISABLE:
expected_acb_info |= samr.ACB_DISABLED
if userAccountControl & dsdb.UF_PASSWD_NOTREQD:
expected_acb_info |= samr.ACB_PWNOTREQ
if msDSUserAccountControlComputed & dsdb.UF_LOCKOUT:
expected_acb_info |= samr.ACB_AUTOLOCK
if msDSUserAccountControlComputed & dsdb.UF_PASSWORD_EXPIRED:
expected_acb_info |= samr.ACB_PW_EXPIRED
self.assertEquals(uinfo3.acct_flags, expected_acb_info)
self.assertEquals(uinfo3.last_logon, lastLogon)
self.assertEquals(uinfo3.logon_count, logonCount)
expected_bad_password_count = 0
if badPwdCount is not None:
expected_bad_password_count = badPwdCount
if effective_bad_password_count is None:
effective_bad_password_count = expected_bad_password_count
self.assertEquals(uinfo3.bad_password_count,
expected_bad_password_count)
if not badPwdCountOnly:
self.assertEquals(uinfo5.acct_flags, expected_acb_info)
self.assertEquals(uinfo5.bad_password_count,
effective_bad_password_count)
self.assertEquals(uinfo5.last_logon, lastLogon)
self.assertEquals(uinfo5.logon_count, logonCount)
self.assertEquals(uinfo16.acct_flags, expected_acb_info)
self.assertEquals(uinfo21.acct_flags, expected_acb_info)
self.assertEquals(uinfo21.bad_password_count,
effective_bad_password_count)
self.assertEquals(uinfo21.last_logon, lastLogon)
self.assertEquals(uinfo21.logon_count, logonCount)
# check LDAP again and make sure the samr.QueryUserInfo
# doesn't have any impact.
res2 = self.ldb.search(dn, scope=SCOPE_BASE, attrs=attrs)
self.assertEquals(res[0], res2[0])
# in order to prevent some time resolution problems we sleep for
# 10 micro second
time.sleep(0.01)
return res
def update_lockout_settings(self, threshold, duration, observation_window):
"""Updates the global user lockout settings"""
m = Message()
m.dn = Dn(self.ldb, self.base_dn)
account_lockout_duration_ticks = -int(duration * (1e7))
m["lockoutDuration"] = MessageElement(
str(account_lockout_duration_ticks), FLAG_MOD_REPLACE,
"lockoutDuration")
m["lockoutThreshold"] = MessageElement(str(threshold),
FLAG_MOD_REPLACE,
"lockoutThreshold")
lockout_observation_window_ticks = -int(observation_window * (1e7))
m["lockOutObservationWindow"] = MessageElement(
str(lockout_observation_window_ticks), FLAG_MOD_REPLACE,
"lockOutObservationWindow")
self.ldb.modify(m)
def _readd_user(self, creds, lockOutObservationWindow=0):
username = creds.get_username()
userpass = creds.get_password()
userdn = "cn=%s,cn=users,%s" % (username, self.base_dn)
delete_force(self.ldb, userdn)
self.ldb.add({
"dn": userdn,
"objectclass": "user",
"sAMAccountName": username
})
self.addCleanup(delete_force, self.ldb, userdn)
# Sets the initial user password with a "special" password change
# I think that this internally is a password set operation and it can
# only be performed by someone which has password set privileges on the
# account (at least in s4 we do handle it like that).
self.ldb.modify_ldif("""
dn: """ + userdn + """
changetype: modify
delete: userPassword
add: userPassword
userPassword: """ + userpass + """
""")
# Enables the user account
self.ldb.enable_account("(sAMAccountName=%s)" % username)
use_kerberos = creds.get_kerberos_state()
fail_creds = self.insta_creds(self.template_creds,
username=username,
userpass=userpass + "X",
kerberos_state=use_kerberos)
self._check_account_initial(userdn)
# Fail once to get a badPasswordTime
try:
ldb = SamDB(url=self.host_url, credentials=fail_creds, lp=self.lp)
self.fail()
except LdbError as e:
(num, msg) = e.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
# Succeed to reset everything to 0
ldb = SamDB(url=self.host_url, credentials=creds, lp=self.lp)
return ldb
def assertLoginFailure(self,
url,
creds,
lp,
errno=ERR_INVALID_CREDENTIALS):
try:
ldb = SamDB(url=url, credentials=creds, lp=lp)
self.fail("Login unexpectedly succeeded")
except LdbError as e1:
(num, msg) = e1.args
if errno is not None:
self.assertEquals(num, errno,
("Login failed in the wrong way"
"(got err %d, expected %d)" % (num, errno)))
def setUp(self):
super(BasePasswordTestCase, self).setUp()
self.global_creds.set_gensec_features(
self.global_creds.get_gensec_features() | gensec.FEATURE_SEAL)
self.template_creds = Credentials()
self.template_creds.set_username("testuser")
self.template_creds.set_password("thatsAcomplPASS1")
self.template_creds.set_domain(self.global_creds.get_domain())
self.template_creds.set_realm(self.global_creds.get_realm())
self.template_creds.set_workstation(
self.global_creds.get_workstation())
self.template_creds.set_gensec_features(
self.global_creds.get_gensec_features())
self.template_creds.set_kerberos_state(
self.global_creds.get_kerberos_state())
# Gets back the basedn
base_dn = self.ldb.domain_dn()
# Gets back the configuration basedn
configuration_dn = self.ldb.get_config_basedn().get_linearized()
res = self.ldb.search(base_dn,
scope=SCOPE_BASE,
attrs=[
"lockoutDuration",
"lockOutObservationWindow",
"lockoutThreshold"
])
if "lockoutDuration" in res[0]:
lockoutDuration = res[0]["lockoutDuration"][0]
else:
lockoutDuration = 0
if "lockoutObservationWindow" in res[0]:
lockoutObservationWindow = res[0]["lockoutObservationWindow"][0]
else:
lockoutObservationWindow = 0
if "lockoutThreshold" in res[0]:
lockoutThreshold = res[0]["lockoutThreshold"][0]
else:
lockoutTreshold = 0
self.addCleanup(
self.ldb.modify_ldif, """
dn: """ + base_dn + """
changetype: modify
replace: lockoutDuration
lockoutDuration: """ + str(lockoutDuration) + """
replace: lockoutObservationWindow
lockoutObservationWindow: """ + str(lockoutObservationWindow) + """
replace: lockoutThreshold
lockoutThreshold: """ + str(lockoutThreshold) + """
""")
self.base_dn = self.ldb.domain_dn()
#
# Some test cases sleep() for self.account_lockout_duration
# so allow it to be controlled via the subclass
#
if not hasattr(self, 'account_lockout_duration'):
self.account_lockout_duration = 3
if not hasattr(self, 'lockout_observation_window'):
self.lockout_observation_window = 3
self.update_lockout_settings(
threshold=3,
duration=self.account_lockout_duration,
observation_window=self.lockout_observation_window)
# update DC to allow password changes for the duration of this test
self.allow_password_changes()
self.domain_sid = security.dom_sid(self.ldb.get_domain_sid())
self.samr = samr.samr("ncacn_ip_tcp:%s[seal]" % self.host, self.lp,
self.global_creds)
self.samr_handle = self.samr.Connect2(
None, security.SEC_FLAG_MAXIMUM_ALLOWED)
self.samr_domain = self.samr.OpenDomain(
self.samr_handle, security.SEC_FLAG_MAXIMUM_ALLOWED,
self.domain_sid)
self.addCleanup(self.delete_ldb_connections)
# (Re)adds the test user accounts
self.lockout1krb5_creds = self.insta_creds(
self.template_creds,
username="******",
userpass="******",
kerberos_state=MUST_USE_KERBEROS)
self.lockout1krb5_ldb = self._readd_user(self.lockout1krb5_creds)
self.lockout1ntlm_creds = self.insta_creds(
self.template_creds,
username="******",
userpass="******",
kerberos_state=DONT_USE_KERBEROS)
self.lockout1ntlm_ldb = self._readd_user(self.lockout1ntlm_creds)
def delete_ldb_connections(self):
del self.lockout1krb5_ldb
del self.lockout1ntlm_ldb
del self.ldb
def tearDown(self):
super(BasePasswordTestCase, self).tearDown()
def _test_login_lockout(self, creds):
username = creds.get_username()
userpass = creds.get_password()
userdn = "cn=%s,cn=users,%s" % (username, self.base_dn)
use_kerberos = creds.get_kerberos_state()
# This unlocks by waiting for account_lockout_duration
if use_kerberos == MUST_USE_KERBEROS:
logoncount_relation = 'greater'
lastlogon_relation = 'greater'
print("Performs a lockout attempt against LDAP using Kerberos")
else:
logoncount_relation = 'equal'
lastlogon_relation = 'equal'
print("Performs a lockout attempt against LDAP using NTLM")
# Change password on a connection as another user
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=("greater", 0),
logonCount=(logoncount_relation, 0),
lastLogon=("greater", 0),
lastLogonTimestamp=("greater", 0),
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
logonCount = int(res[0]["logonCount"][0])
lastLogon = int(res[0]["lastLogon"][0])
firstLogon = lastLogon
lastLogonTimestamp = int(res[0]["lastLogonTimestamp"][0])
print(firstLogon)
print(lastLogonTimestamp)
self.assertGreater(lastLogon, badPasswordTime)
self.assertGreaterEqual(lastLogon, lastLogonTimestamp)
# Open a second LDB connection with the user credentials. Use the
# command line credentials for informations like the domain, the realm
# and the workstation.
creds_lockout = self.insta_creds(creds)
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
self.assertLoginFailure(self.host_url, creds_lockout, self.lp)
res = self._check_account(userdn,
badPwdCount=1,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0,
msg='lastlogontimestamp with wrong password')
badPasswordTime = int(res[0]["badPasswordTime"][0])
# Correct old password
creds_lockout.set_password(userpass)
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
# lastLogonTimestamp should not change
# lastLogon increases if badPwdCount is non-zero (!)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lastLogon=('greater', lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0,
msg='LLTimestamp is updated to lastlogon')
logonCount = int(res[0]["logonCount"][0])
lastLogon = int(res[0]["lastLogon"][0])
self.assertGreater(lastLogon, badPasswordTime)
self.assertGreaterEqual(lastLogon, lastLogonTimestamp)
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
self.assertLoginFailure(self.host_url, creds_lockout, self.lp)
res = self._check_account(userdn,
badPwdCount=1,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
self.fail()
except LdbError as e2:
(num, msg) = e2.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=2,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
print("two failed password change")
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
self.fail()
except LdbError as e3:
(num, msg) = e3.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(
userdn,
badPwdCount=3,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=("greater", badPasswordTime),
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
badPasswordTime = int(res[0]["badPasswordTime"][0])
lockoutTime = int(res[0]["lockoutTime"][0])
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
self.fail()
except LdbError as e4:
(num, msg) = e4.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(
userdn,
badPwdCount=3,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=lockoutTime,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
self.fail()
except LdbError as e5:
(num, msg) = e5.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(
userdn,
badPwdCount=3,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=lockoutTime,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
# The correct password, but we are locked out
creds_lockout.set_password(userpass)
try:
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
self.fail()
except LdbError as e6:
(num, msg) = e6.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(
userdn,
badPwdCount=3,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=lockoutTime,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
# wait for the lockout to end
time.sleep(self.account_lockout_duration + 1)
print(self.account_lockout_duration + 1)
res = self._check_account(userdn,
badPwdCount=3,
effective_bad_password_count=0,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lockoutTime=lockoutTime,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
# The correct password after letting the timeout expire
creds_lockout.set_password(userpass)
creds_lockout2 = self.insta_creds(creds_lockout)
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout2,
lp=self.lp)
time.sleep(3)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lastLogon=(lastlogon_relation, lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
lockoutTime=0,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0,
msg="lastLogon is way off")
logonCount = int(res[0]["logonCount"][0])
lastLogon = int(res[0]["lastLogon"][0])
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
self.fail()
except LdbError as e7:
(num, msg) = e7.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=1,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lockoutTime=0,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
self.fail()
except LdbError as e8:
(num, msg) = e8.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=2,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lockoutTime=0,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
time.sleep(self.lockout_observation_window + 1)
res = self._check_account(userdn,
badPwdCount=2,
effective_bad_password_count=0,
badPasswordTime=badPasswordTime,
logonCount=logonCount,
lockoutTime=0,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
# The wrong password
creds_lockout.set_password("thatsAcomplPASS1x")
try:
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
self.fail()
except LdbError as e9:
(num, msg) = e9.args
self.assertEquals(num, ERR_INVALID_CREDENTIALS)
res = self._check_account(userdn,
badPwdCount=1,
badPasswordTime=("greater", badPasswordTime),
logonCount=logonCount,
lockoutTime=0,
lastLogon=lastLogon,
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
# The correct password without letting the timeout expire
creds_lockout.set_password(userpass)
ldb_lockout = SamDB(url=self.host_url,
credentials=creds_lockout,
lp=self.lp)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lockoutTime=0,
lastLogon=("greater", lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
def _test_multiple_logon(self, creds):
# Test the happy case in which a user logs on correctly, then
# logs on correctly again, so that the bad password and
# lockout times are both zero the second time. The lastlogon
# time should increase.
# Open a second LDB connection with the user credentials. Use the
# command line credentials for informations like the domain, the realm
# and the workstation.
username = creds.get_username()
userdn = "cn=%s,cn=users,%s" % (username, self.base_dn)
use_kerberos = creds.get_kerberos_state()
if use_kerberos == MUST_USE_KERBEROS:
print("Testing multiple logon with Kerberos")
logoncount_relation = 'greater'
lastlogon_relation = 'greater'
else:
print("Testing multiple logon with NTLM")
logoncount_relation = 'equal'
lastlogon_relation = 'equal'
SamDB(url=self.host_url,
credentials=self.insta_creds(creds),
lp=self.lp)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=("greater", 0),
logonCount=(logoncount_relation, 0),
lastLogon=("greater", 0),
lastLogonTimestamp=("greater", 0),
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
badPasswordTime = int(res[0]["badPasswordTime"][0])
logonCount = int(res[0]["logonCount"][0])
lastLogon = int(res[0]["lastLogon"][0])
lastLogonTimestamp = int(res[0]["lastLogonTimestamp"][0])
firstLogon = lastLogon
print("last logon is %d" % lastLogon)
self.assertGreater(lastLogon, badPasswordTime)
self.assertGreaterEqual(lastLogon, lastLogonTimestamp)
time.sleep(1)
SamDB(url=self.host_url,
credentials=self.insta_creds(creds),
lp=self.lp)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lastLogon=(lastlogon_relation, lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0,
msg=("second logon, firstlogon was %s" %
firstLogon))
lastLogon = int(res[0]["lastLogon"][0])
time.sleep(1)
SamDB(url=self.host_url,
credentials=self.insta_creds(creds),
lp=self.lp)
res = self._check_account(userdn,
badPwdCount=0,
badPasswordTime=badPasswordTime,
logonCount=(logoncount_relation, logonCount),
lastLogon=(lastlogon_relation, lastLogon),
lastLogonTimestamp=lastLogonTimestamp,
userAccountControl=dsdb.UF_NORMAL_ACCOUNT,
msDSUserAccountControlComputed=0)
class SamrPasswordTests(RpcInterfaceTestCase):
def setUp(self):
super(SamrPasswordTests, self).setUp()
self.open_samdb()
self.create_user_account(10000)
self.remote_server = samba.tests.env_get_var_value('SERVER')
self.remote_domain = samba.tests.env_get_var_value('DOMAIN')
self.remote_user = samba.tests.env_get_var_value('USERNAME')
self.remote_password = samba.tests.env_get_var_value('PASSWORD')
self.remote_binding_string = "ncacn_np:%s[krb5]" % (self.remote_server)
self.remote_creds = Credentials()
self.remote_creds.guess(self.lp)
self.remote_creds.set_username(self.remote_user)
self.remote_creds.set_password(self.remote_password)
def tearDown(self):
super(SamrPasswordTests, self).tearDown()
samr.Close(self.user_handle)
samr.Close(self.domain_handle)
samr.Close(self.handle)
samba.tests.delete_force(self.samdb, self.user_dn)
#
# Open the samba database
#
def open_samdb(self):
self.lp = samba.tests.env_loadparm()
self.local_creds = Credentials()
self.local_creds.guess(self.lp)
self.session = system_session()
self.samdb = SamDB(session_info=self.session,
credentials=self.local_creds,
lp=self.lp)
#
# Open a SAMR Domain handle
#
def open_domain_handle(self):
self.handle = self.conn.Connect2(None,
security.SEC_FLAG_MAXIMUM_ALLOWED)
self.domain_sid = self.conn.LookupDomain(self.handle,
lsa.String(self.remote_domain))
self.domain_handle = self.conn.OpenDomain(self.handle,
security.SEC_FLAG_MAXIMUM_ALLOWED,
self.domain_sid)
def open_user_handle(self):
name = lsa.String(self.user_name)
rids = self.conn.LookupNames(self.domain_handle, [name])
self.user_handle = self.conn.OpenUser(self.domain_handle,
security.SEC_FLAG_MAXIMUM_ALLOWED,
rids[0].ids[0])
#
# Create a test user account
#
def create_user_account(self, user_id):
self.user_name = ("SAMR_USER_%d" % user_id)
self.user_pass = generate_random_password(32, 32)
self.user_dn = "cn=%s,cn=users,%s" % (self.user_name, self.samdb.domain_dn())
samba.tests.delete_force(self.samdb, self.user_dn)
self.samdb.newuser(self.user_name,
self.user_pass,
description="Password for " + self.user_name + " is " + self.user_pass,
givenname=self.user_name,
surname=self.user_name)
def init_samr_CryptPassword(self, password, session_key):
def encode_pw_buffer(password):
data = bytearray([0] * 516)
p = samba.string_to_byte_array(password.encode('utf-16-le'))
plen = len(p)
b = generate_random_bytes(512 - plen)
i = 512 - plen
data[0:i] = b
data[i:i+plen] = p
data[512:516] = plen.to_bytes(4, byteorder='little')
return bytes(data)
# This is a test, so always allow to encrypt using RC4
try:
crypto.set_relax_mode()
encrypted_blob = samba.arcfour_encrypt(session_key, encode_pw_buffer(password))
finally:
crypto.set_strict_mode()
out_blob = samr.CryptPassword()
out_blob.data = list(encrypted_blob)
return out_blob
def test_setUserInfo2_Password(self, password='******'):
self.conn = samr.samr(self.remote_binding_string,
self.get_loadparm(),
self.remote_creds)
self.open_domain_handle()
self.open_user_handle()
password='******'
level = 24
info = samr.UserInfo24()
info.password_expired = 0
info.password = self.init_samr_CryptPassword(password, self.conn.session_key)
# If the server is in FIPS mode, it should reject the password change!
try:
self.conn.SetUserInfo2(self.user_handle, level, info)
except samba.NTSTATUSError as e:
code = ctypes.c_uint32(e.args[0]).value
print(code)
if ((code == ntstatus.NT_STATUS_ACCESS_DENIED) and
(self.lp.weak_crypto == 'disallowed')):
pass
else:
raise
def test_setUserInfo2_Password_Encrypted(self, password='******'):
self.remote_creds.set_smb_encryption(SMB_ENCRYPTION_REQUIRED)
self.conn = samr.samr(self.remote_binding_string,
self.get_loadparm(),
self.remote_creds)
self.open_domain_handle()
self.open_user_handle()
password='******'
level = 24
info = samr.UserInfo24()
info.password_expired = 0
info.password = self.init_samr_CryptPassword(password, self.conn.session_key)
self.conn.SetUserInfo2(self.user_handle, level, info)
class PyCredentialsTests(TestCase):
def setUp(self):
super(PyCredentialsTests, self).setUp()
self.server = os.environ["SERVER"]
self.domain = os.environ["DOMAIN"]
self.host = os.environ["SERVER_IP"]
self.lp = self.get_loadparm()
self.credentials = self.get_credentials()
self.session = system_session()
self.ldb = SamDB(url="ldap://%s" % self.host,
session_info=self.session,
credentials=self.credentials,
lp=self.lp)
self.create_machine_account()
self.create_user_account()
def tearDown(self):
super(PyCredentialsTests, self).tearDown()
delete_force(self.ldb, self.machine_dn)
delete_force(self.ldb, self.user_dn)
# Until a successful netlogon connection has been established there will
# not be a valid authenticator associated with the credentials
# and new_client_authenticator should throw a ValueError
def test_no_netlogon_connection(self):
self.assertRaises(ValueError,
self.machine_creds.new_client_authenticator)
# Once a netlogon connection has been established,
# new_client_authenticator should return a value
#
def test_have_netlogon_connection(self):
c = self.get_netlogon_connection()
a = self.machine_creds.new_client_authenticator()
self.assertIsNotNone(a)
# Get an authenticator and use it on a sequence of operations requiring
# an authenticator
def test_client_authenticator(self):
c = self.get_netlogon_connection()
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonSamLogonWithFlags(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
(authenticator, subsequent) = self.get_authenticator(c)
self.do_NetrLogonGetDomainInfo(c, authenticator, subsequent)
# Test Credentials.encrypt_netr_crypt_password
# By performing a NetrServerPasswordSet2
# And the logging on using the new password.
def test_encrypt_netr_password(self):
# Change the password
self.do_Netr_ServerPasswordSet2()
# Now use the new password to perform an operation
self.do_DsrEnumerateDomainTrusts()
# Change the current machine account pazssword with a
# netr_ServerPasswordSet2 call.
def do_Netr_ServerPasswordSet2(self):
c = self.get_netlogon_connection()
(authenticator, subsequent) = self.get_authenticator(c)
PWD_LEN = 32
DATA_LEN = 512
newpass = samba.generate_random_password(PWD_LEN, PWD_LEN)
filler = [ord(x) for x in os.urandom(DATA_LEN - PWD_LEN)]
pwd = netlogon.netr_CryptPassword()
pwd.length = PWD_LEN
pwd.data = filler + [ord(x) for x in newpass]
self.machine_creds.encrypt_netr_crypt_password(pwd)
c.netr_ServerPasswordSet2(self.server,
self.machine_creds.get_workstation(),
SEC_CHAN_WKSTA, self.machine_name,
authenticator, pwd)
self.machine_pass = newpass
self.machine_creds.set_password(newpass)
# Perform a DsrEnumerateDomainTrusts, this provides confirmation that
# a netlogon connection has been correctly established
def do_DsrEnumerateDomainTrusts(self):
c = self.get_netlogon_connection()
trusts = c.netr_DsrEnumerateDomainTrusts(
self.server, netlogon.NETR_TRUST_FLAG_IN_FOREST
| netlogon.NETR_TRUST_FLAG_OUTBOUND
| netlogon.NETR_TRUST_FLAG_INBOUND)
# Establish sealed schannel netlogon connection over TCP/IP
#
def get_netlogon_connection(self):
return netlogon.netlogon(
"ncacn_ip_tcp:%s[schannel,seal]" % self.server, self.lp,
self.machine_creds)
#
# Create the machine account
def create_machine_account(self):
self.machine_pass = samba.generate_random_password(32, 32)
self.machine_name = MACHINE_NAME
self.machine_dn = "cn=%s,%s" % (self.machine_name,
self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.machine_dn)
utf16pw = unicode('"' + self.machine_pass.encode('utf-8') + '"',
'utf-8').encode('utf-16-le')
self.ldb.add({
"dn":
self.machine_dn,
"objectclass":
"computer",
"sAMAccountName":
"%s$" % self.machine_name,
"userAccountControl":
str(UF_WORKSTATION_TRUST_ACCOUNT | UF_PASSWD_NOTREQD),
"unicodePwd":
utf16pw
})
self.machine_creds = Credentials()
self.machine_creds.guess(self.get_loadparm())
self.machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA)
self.machine_creds.set_password(self.machine_pass)
self.machine_creds.set_username(self.machine_name + "$")
self.machine_creds.set_workstation(self.machine_name)
#
# Create a test user account
def create_user_account(self):
self.user_pass = samba.generate_random_password(32, 32)
self.user_name = USER_NAME
self.user_dn = "cn=%s,%s" % (self.user_name, self.ldb.domain_dn())
# remove the account if it exists, this will happen if a previous test
# run failed
delete_force(self.ldb, self.user_dn)
utf16pw = unicode('"' + self.user_pass.encode('utf-8') + '"',
'utf-8').encode('utf-16-le')
self.ldb.add({
"dn": self.user_dn,
"objectclass": "user",
"sAMAccountName": "%s" % self.user_name,
"userAccountControl": str(UF_NORMAL_ACCOUNT),
"unicodePwd": utf16pw
})
self.user_creds = Credentials()
self.user_creds.guess(self.get_loadparm())
self.user_creds.set_password(self.user_pass)
self.user_creds.set_username(self.user_name)
self.user_creds.set_workstation(self.machine_name)
pass
#
# Get the authenticator from the machine creds.
def get_authenticator(self, c):
auth = self.machine_creds.new_client_authenticator()
current = netr_Authenticator()
current.cred.data = [ord(x) for x in auth["credential"]]
current.timestamp = auth["timestamp"]
subsequent = netr_Authenticator()
return (current, subsequent)
def do_NetrLogonSamLogonWithFlags(self, c, current, subsequent):
logon = samlogon_logon_info(self.domain, self.machine_name,
self.user_creds)
logon_level = netlogon.NetlogonNetworkTransitiveInformation
validation_level = netlogon.NetlogonValidationSamInfo4
netr_flags = 0
c.netr_LogonSamLogonWithFlags(self.server,
self.user_creds.get_workstation(),
current, subsequent, logon_level, logon,
validation_level, netr_flags)
def do_NetrLogonGetDomainInfo(self, c, current, subsequent):
query = netr_WorkstationInformation()
c.netr_LogonGetDomainInfo(self.server,
self.user_creds.get_workstation(), current,
subsequent, 2, query)
class PassWordHashLDAPTests(PassWordHashTests):
def setUp(self):
super(PassWordHashLDAPTests, self).setUp()
# Get the supplemental credentials for the user under test
def get_supplemental_creds_drs(self):
binding_str = "ncacn_ip_tcp:%s[seal]" % os.environ["SERVER"]
dn = "cn=" + USER_NAME + ",cn=users," + self.base_dn
drs = drsuapi.drsuapi(binding_str, self.get_loadparm(), self.creds)
(drs_handle, supported_extensions) = drs_utils.drs_DsBind(drs)
req8 = drsuapi.DsGetNCChangesRequest8()
null_guid = misc.GUID()
req8.destination_dsa_guid = null_guid
req8.source_dsa_invocation_id = null_guid
req8.naming_context = drsuapi.DsReplicaObjectIdentifier()
req8.naming_context.dn = unicode(dn)
req8.highwatermark = drsuapi.DsReplicaHighWaterMark()
req8.highwatermark.tmp_highest_usn = 0
req8.highwatermark.reserved_usn = 0
req8.highwatermark.highest_usn = 0
req8.uptodateness_vector = None
req8.replica_flags = (drsuapi.DRSUAPI_DRS_INIT_SYNC |
drsuapi.DRSUAPI_DRS_PER_SYNC |
drsuapi.DRSUAPI_DRS_GET_ANC |
drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
drsuapi.DRSUAPI_DRS_WRIT_REP)
req8.max_object_count = 402
req8.max_ndr_size = 402116
req8.extended_op = drsuapi.DRSUAPI_EXOP_REPL_OBJ
req8.fsmo_info = 0
req8.partial_attribute_set = None
req8.partial_attribute_set_ex = None
req8.mapping_ctr.num_mappings = 0
req8.mapping_ctr.mappings = None
(level, ctr) = drs.DsGetNCChanges(drs_handle, 8, req8)
obj_item = ctr.first_object
obj = obj_item.object
sc_blob = None
for i in range(0, obj.attribute_ctr.num_attributes):
attr = obj.attribute_ctr.attributes[i]
if attid_equal(attr.attid,
drsuapi.DRSUAPI_ATTID_supplementalCredentials):
net_ctx = net.Net(self.creds)
net_ctx.replicate_decrypt(drs, attr, 0)
sc_blob = attr.value_ctr.values[0].blob
sc = ndr_unpack(drsblobs.supplementalCredentialsBlob, sc_blob)
return sc
def test_wDigest_supplementalCredentials(self):
self.creds = Credentials()
self.creds.set_username(os.environ["USERNAME"])
self.creds.set_password(os.environ["PASSWORD"])
self.creds.guess(self.lp)
ldb = SamDB("ldap://" + os.environ["SERVER"],
credentials=self.creds,
lp=self.lp)
self.add_user(ldb=ldb)
sc = self.get_supplemental_creds_drs()
(pos, package) = get_package(sc, "Primary:WDigest")
self.assertEquals("Primary:WDigest", package.name)
# Check that the WDigest values are correct.
#
digests = ndr_unpack(drsblobs.package_PrimaryWDigestBlob,
binascii.a2b_hex(package.data))
self.check_wdigests(digests)
