class CredentialsOptionsDouble(CredentialsOptions):
"""Command line options for specifying credentials of two servers."""
def __init__(self, parser):
CredentialsOptions.__init__(self, parser)
self.no_pass2 = True
self.add_option("--simple-bind-dn2", metavar="DN2", action="callback",
callback=self._set_simple_bind_dn2, type=str,
help="DN to use for a simple bind")
self.add_option("--password2", metavar="PASSWORD2", action="callback",
help="Password", type=str,
callback=self._set_password2)
self.add_option("--username2", metavar="USERNAME2",
action="callback", type=str,
help="Username for second server",
callback=self._parse_username2)
self.add_option("--workgroup2", metavar="WORKGROUP2",
action="callback", type=str,
help="Workgroup for second server",
callback=self._parse_workgroup2)
self.add_option("--no-pass2", action="store_true",
help="Don't ask for a password for the second server")
self.add_option("--kerberos2", metavar="KERBEROS2",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos2)
self.creds2 = Credentials()
def _parse_username2(self, option, opt_str, arg, parser):
self.creds2.parse_string(arg)
def _parse_workgroup2(self, option, opt_str, arg, parser):
self.creds2.set_domain(arg)
def _set_password2(self, option, opt_str, arg, parser):
self.creds2.set_password(arg)
self.no_pass2 = False
def _set_kerberos2(self, option, opt_str, arg, parser):
if bool(arg) or arg.lower() == "yes":
self.creds2.set_kerberos_state(MUST_USE_KERBEROS)
else:
self.creds2.set_kerberos_state(DONT_USE_KERBEROS)
def _set_simple_bind_dn2(self, option, opt_str, arg, parser):
self.creds2.set_bind_dn(arg)
def get_credentials2(self, lp, guess=True):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:param guess: Try guess Credentials from environment
:return: Credentials object
"""
if guess:
self.creds2.guess(lp)
elif not self.creds2.get_username():
self.creds2.set_anonymous()
if self.no_pass2:
self.creds2.set_cmdline_callbacks()
return self.creds2
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
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 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_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
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_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 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 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 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
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser, special_name=None):
self.special_name = special_name
if special_name is not None:
self.section = "Credentials Options (%s)" % special_name
else:
self.section = "Credentials Options"
self.ask_for_password = True
self.ipaddress = None
self.machine_pass = False
optparse.OptionGroup.__init__(self, parser, self.section)
self._add_option("--simple-bind-dn",
metavar="DN",
action="callback",
callback=self._set_simple_bind_dn,
type=str,
help="DN to use for a simple bind")
self._add_option("--password",
metavar="PASSWORD",
action="callback",
help="Password",
type=str,
callback=self._set_password)
self._add_option("-U",
"--username",
metavar="USERNAME",
action="callback",
type=str,
help="Username",
callback=self._parse_username)
self._add_option("-W",
"--workgroup",
metavar="WORKGROUP",
action="callback",
type=str,
help="Workgroup",
callback=self._parse_workgroup)
self._add_option("-N",
"--no-pass",
action="callback",
help="Don't ask for a password",
callback=self._set_no_password)
self._add_option("-k",
"--kerberos",
metavar="KERBEROS",
action="callback",
type=str,
help="Use Kerberos",
callback=self._set_kerberos)
self._add_option("",
"--ipaddress",
metavar="IPADDRESS",
action="callback",
type=str,
help="IP address of server",
callback=self._set_ipaddress)
self._add_option("-P",
"--machine-pass",
action="callback",
help="Use stored machine account password",
callback=self._set_machine_pass)
self.creds = Credentials()
def _add_option(self, *args1, **kwargs):
if self.special_name is None:
return self.add_option(*args1, **kwargs)
args2 = ()
for a in args1:
if not a.startswith("--"):
continue
args2 += (a.replace("--", "--%s-" % self.special_name), )
self.add_option(*args2, **kwargs)
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
self.machine_pass = False
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self.creds.set_password(arg)
self.ask_for_password = False
self.machine_pass = False
def _set_no_password(self, option, opt_str, arg, parser):
self.ask_for_password = False
def _set_machine_pass(self, option, opt_str, arg, parser):
self.machine_pass = True
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
self.creds.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.machine_pass:
self.creds.set_machine_account(lp)
elif self.ask_for_password:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.creds
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser, special_name=None):
self.special_name = special_name
if special_name is not None:
self.section = "Credentials Options (%s)" % special_name
else:
self.section = "Credentials Options"
self.ask_for_password = True
self.ipaddress = None
self.machine_pass = False
optparse.OptionGroup.__init__(self, parser, self.section)
self._add_option("--simple-bind-dn", metavar="DN", action="callback",
callback=self._set_simple_bind_dn, type=str,
help="DN to use for a simple bind")
self._add_option("--password", metavar="PASSWORD", action="callback",
help="Password", type=str, callback=self._set_password)
self._add_option("-U", "--username", metavar="USERNAME",
action="callback", type=str,
help="Username", callback=self._parse_username)
self._add_option("-W", "--workgroup", metavar="WORKGROUP",
action="callback", type=str,
help="Workgroup", callback=self._parse_workgroup)
self._add_option("-N", "--no-pass", action="callback",
help="Don't ask for a password",
callback=self._set_no_password)
self._add_option("-k", "--kerberos", metavar="KERBEROS",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos)
self._add_option("", "--ipaddress", metavar="IPADDRESS",
action="callback", type=str,
help="IP address of server",
callback=self._set_ipaddress)
self._add_option("-P", "--machine-pass",
action="callback",
help="Use stored machine account password",
callback=self._set_machine_pass)
self._add_option("--krb5-ccache", metavar="KRB5CCNAME",
action="callback", type=str,
help="Kerberos Credentials cache",
callback=self._set_krb5_ccache)
self.creds = Credentials()
def _ensure_secure_proctitle(self, opt_str, secret_data, data_type="password"):
""" Make sure no sensitive data (e.g. password) resides in proctitle. """
import re
try:
import setproctitle
except ModuleNotFoundError:
msg = ("WARNING: Using %s on command line is insecure. "
"Please install the setproctitle python module.\n"
% data_type)
sys.stderr.write(msg)
sys.stderr.flush()
return False
# Regex to search and replace secret data + option with.
# .*[ ]+ -> Before the option must be one or more spaces.
# [= ] -> The option and the secret data might be separated by space
# or equal sign.
# [ ]*.* -> After the secret data might be one, many or no space.
pass_opt_re_str = "(.*[ ]+)(%s[= ]%s)([ ]*.*)" % (opt_str, secret_data)
pass_opt_re = re.compile(pass_opt_re_str)
# Get current proctitle.
cur_proctitle = setproctitle.getproctitle()
# Make sure we build the correct regex.
if not pass_opt_re.match(cur_proctitle):
msg = ("Unable to hide %s in proctitle. This is most likely "
"a bug!\n" % data_type)
sys.stderr.write(msg)
sys.stderr.flush()
return False
# String to replace secret data with.
secret_data_replacer = "xxx"
# Build string to replace secret data and option with. And as we dont
# want to change anything else than the secret data within the proctitle
# we have to check if the option was passed with space or equal sign as
# separator.
opt_pass_with_eq = "%s=%s" % (opt_str, secret_data)
opt_pass_part = re.sub(pass_opt_re_str, r'\2', cur_proctitle)
if opt_pass_part == opt_pass_with_eq:
replace_str = "%s=%s" % (opt_str, secret_data_replacer)
else:
replace_str = "%s %s" % (opt_str, secret_data_replacer)
# Build new proctitle:
new_proctitle = re.sub(pass_opt_re_str,
r'\1' + replace_str + r'\3',
cur_proctitle)
# Set new proctitle.
setproctitle.setproctitle(new_proctitle)
def _add_option(self, *args1, **kwargs):
if self.special_name is None:
return self.add_option(*args1, **kwargs)
args2 = ()
for a in args1:
if not a.startswith("--"):
continue
args2 += (a.replace("--", "--%s-" % self.special_name),)
self.add_option(*args2, **kwargs)
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
self.machine_pass = False
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self._ensure_secure_proctitle(opt_str, arg, "password")
self.creds.set_password(arg)
self.ask_for_password = False
self.machine_pass = False
def _set_no_password(self, option, opt_str, arg, parser):
self.ask_for_password = False
def _set_machine_pass(self, option, opt_str, arg, parser):
self.machine_pass = True
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
self.creds.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def _set_krb5_ccache(self, option, opt_str, arg, parser):
self.creds.set_named_ccache(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.machine_pass:
self.creds.set_machine_account(lp)
elif self.ask_for_password:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.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 CredentialsOptionsDouble(CredentialsOptions):
"""Command line options for specifying credentials of two servers."""
def __init__(self, parser):
CredentialsOptions.__init__(self, parser)
self.no_pass2 = True
self.add_option("--simple-bind-dn2",
metavar="DN2",
action="callback",
callback=self._set_simple_bind_dn2,
type=str,
help="DN to use for a simple bind")
self.add_option("--password2",
metavar="PASSWORD2",
action="callback",
help="Password",
type=str,
callback=self._set_password2)
self.add_option("--username2",
metavar="USERNAME2",
action="callback",
type=str,
help="Username for second server",
callback=self._parse_username2)
self.add_option("--workgroup2",
metavar="WORKGROUP2",
action="callback",
type=str,
help="Workgroup for second server",
callback=self._parse_workgroup2)
self.add_option("--no-pass2",
action="store_true",
help="Don't ask for a password for the second server")
self.add_option("--kerberos2",
metavar="KERBEROS2",
action="callback",
type=str,
help="Use Kerberos",
callback=self._set_kerberos2)
self.creds2 = Credentials()
def _parse_username2(self, option, opt_str, arg, parser):
self.creds2.parse_string(arg)
def _parse_workgroup2(self, option, opt_str, arg, parser):
self.creds2.set_domain(arg)
def _set_password2(self, option, opt_str, arg, parser):
self.creds2.set_password(arg)
self.no_pass2 = False
def _set_kerberos2(self, option, opt_str, arg, parser):
self.creds2.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn2(self, option, opt_str, arg, parser):
self.creds2.set_bind_dn(arg)
def get_credentials2(self, lp, guess=True):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:param guess: Try guess Credentials from environment
:return: Credentials object
"""
if guess:
self.creds2.guess(lp)
elif not self.creds2.get_username():
self.creds2.set_anonymous()
if self.no_pass2:
self.creds2.set_cmdline_callbacks()
return self.creds2
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser):
self.no_pass = True
self.ipaddress = None
optparse.OptionGroup.__init__(self, parser, "Credentials Options")
self.add_option("--simple-bind-dn",
metavar="DN",
action="callback",
callback=self._set_simple_bind_dn,
type=str,
help="DN to use for a simple bind")
self.add_option("--password",
metavar="PASSWORD",
action="callback",
help="Password",
type=str,
callback=self._set_password)
self.add_option("-U",
"--username",
metavar="USERNAME",
action="callback",
type=str,
help="Username",
callback=self._parse_username)
self.add_option("-W",
"--workgroup",
metavar="WORKGROUP",
action="callback",
type=str,
help="Workgroup",
callback=self._parse_workgroup)
self.add_option("-N",
"--no-pass",
action="store_true",
help="Don't ask for a password")
self.add_option("-k",
"--kerberos",
metavar="KERBEROS",
action="callback",
type=str,
help="Use Kerberos",
callback=self._set_kerberos)
self.add_option("",
"--ipaddress",
metavar="IPADDRESS",
action="callback",
type=str,
help="IP address of server",
callback=self._set_ipaddress)
self.creds = Credentials()
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self.creds.set_password(arg)
self.no_pass = False
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
self.creds.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.no_pass:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.creds
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 CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser, special_name=None):
self.special_name = special_name
if special_name is not None:
self.section = "Credentials Options (%s)" % special_name
else:
self.section = "Credentials Options"
self.ask_for_password = True
self.ipaddress = None
self.machine_pass = False
optparse.OptionGroup.__init__(self, parser, self.section)
self._add_option("--simple-bind-dn", metavar="DN", action="callback",
callback=self._set_simple_bind_dn, type=str,
help="DN to use for a simple bind")
self._add_option("--password", metavar="PASSWORD", action="callback",
help="Password", type=str, callback=self._set_password)
self._add_option("-U", "--username", metavar="USERNAME",
action="callback", type=str,
help="Username", callback=self._parse_username)
self._add_option("-W", "--workgroup", metavar="WORKGROUP",
action="callback", type=str,
help="Workgroup", callback=self._parse_workgroup)
self._add_option("-N", "--no-pass", action="callback",
help="Don't ask for a password",
callback=self._set_no_password)
self._add_option("-k", "--kerberos", metavar="KERBEROS",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos)
self._add_option("", "--ipaddress", metavar="IPADDRESS",
action="callback", type=str,
help="IP address of server",
callback=self._set_ipaddress)
self._add_option("-P", "--machine-pass",
action="callback",
help="Use stored machine account password",
callback=self._set_machine_pass)
self._add_option("--krb5-ccache", metavar="KRB5CCNAME",
action="callback", type=str,
help="Kerberos Credentials cache",
callback=self._set_krb5_ccache)
self.creds = Credentials()
def _add_option(self, *args1, **kwargs):
if self.special_name is None:
return self.add_option(*args1, **kwargs)
args2 = ()
for a in args1:
if not a.startswith("--"):
continue
args2 += (a.replace("--", "--%s-" % self.special_name),)
self.add_option(*args2, **kwargs)
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
self.machine_pass = False
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self.creds.set_password(arg)
self.ask_for_password = False
self.machine_pass = False
def _set_no_password(self, option, opt_str, arg, parser):
self.ask_for_password = False
def _set_machine_pass(self, option, opt_str, arg, parser):
self.machine_pass = True
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
self.creds.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def _set_krb5_ccache(self, option, opt_str, arg, parser):
self.creds.set_named_ccache(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.machine_pass:
self.creds.set_machine_account(lp)
elif self.ask_for_password:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.creds
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser):
self.no_pass = True
self.ipaddress = None
optparse.OptionGroup.__init__(self, parser, "Credentials Options")
self.add_option("--simple-bind-dn", metavar="DN", action="callback",
callback=self._set_simple_bind_dn, type=str,
help="DN to use for a simple bind")
self.add_option("--password", metavar="PASSWORD", action="callback",
help="Password", type=str, callback=self._set_password)
self.add_option("-U", "--username", metavar="USERNAME",
action="callback", type=str,
help="Username", callback=self._parse_username)
self.add_option("-W", "--workgroup", metavar="WORKGROUP",
action="callback", type=str,
help="Workgroup", callback=self._parse_workgroup)
self.add_option("-N", "--no-pass", action="store_true",
help="Don't ask for a password")
self.add_option("-k", "--kerberos", metavar="KERBEROS",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos)
self.add_option("", "--ipaddress", metavar="IPADDRESS",
action="callback", type=str,
help="IP address of server", callback=self._set_ipaddress)
self.creds = Credentials()
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self.creds.set_password(arg)
self.no_pass = False
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
if arg.lower() in ["yes", 'true', '1']:
self.creds.set_kerberos_state(MUST_USE_KERBEROS)
elif arg.lower() in ["no", 'false', '0']:
self.creds.set_kerberos_state(DONT_USE_KERBEROS)
else:
raise optparse.BadOptionErr("invalid kerberos option: %s" % arg)
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.no_pass:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.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, 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 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)
from samba.netcmd.drs import drsuapi_connect
import datetime
class Context:
def __init__(self,server,lp,creds):
self.server = server
self.lp = lp
self.creds = creds
lp = LoadParm()
creds = Credentials()
creds.guess(lp)
creds.set_username("Administrator")
creds.set_password("AdMatayOctober")
creds.set_workstation("")
creds.set_domain("")
ctx = Context("ip_of_dc",lp,creds)
drsuapi_connect(ctx)
req = DsReplicaGetInfoRequest1()
req.info_type = DRSUAPI_DS_REPLICA_INFO_NEIGHBORS
(info_type,info) = ctx.drsuapi.DsReplicaGetInfo(ctx.drsuapi_handle,1,req)
current_time = datetime.datetime.now()
for dc in info.array:
if(dc.naming_context_dn == 'DC=example,DC=com'):
dictonary = {}
dictonary['source'] = "ip_of_dc"
dictonary['namingcontext'] = dc.naming_context_dn
last_success = nttime2string(dc.last_success)
difference = current_time - datetime.datetime.strptime(last_success.rsplit(' ',1)[0],'%a %B %d %H:%M:%S %Y')
if(difference.total_seconds() > 0):
dictonary['time_from_last_success'] = str(difference)
class AdminToolsTestCase(unittest.TestCase):
def assertSeen(self, what, msg=None, timeout=10):
try:
self.at.await_text(what, timeout=timeout)
except hecate.hecate.Timeout:
pass
self.assertRegex(self.at.screenshot(), what, msg)
def assertNotSeen(self, what, msg=None, timeout=10):
sleep(.5)
slept = 0
while slept < timeout:
slept += .1
if not re.search(what, self.at.screenshot()):
break
sleep(.1)
self.assertNotRegex(self.at.screenshot(), what, msg)
def press(self, msg):
self.at.press(msg)
sleep(.1)
def __validate_kinit(self):
out, _ = Popen(['klist'], stdout=PIPE, stderr=PIPE).communicate()
m = re.findall(six.b('Ticket cache:\s*(.*)'), out)
if len(m) != 1:
return False
self.creds.set_named_ccache(m[0].decode())
m = re.findall(six.b('Default principal:\s*(\w+)@([\w\.]+)'), out)
if len(m) == 0:
return False
user, realm = m[0]
self.creds.set_username(user.decode())
self.creds.set_domain(realm.decode())
with Popen(['klist', '-s'], stdout=PIPE, stderr=PIPE) as p:
if p.wait() != 0:
return False
self.creds.set_kerberos_state(MUST_USE_KERBEROS)
return True
def get_password(self):
if not self.creds.get_password():
self.creds.set_password(
getpass('Password for %s: ' % self.creds.get_username()))
return self.creds.get_password()
def kinit(self):
while not self.__validate_kinit():
print(
'Domain administrator credentials are required to run the test.'
)
upn = '%s@%s' % (self.creds.get_username(), self.creds.get_domain(
)) if self.creds.get_username() and self.creds.get_domain(
) else None
username = input('Domain user principal name%s: ' %
(' (%s)' % upn if upn else ''))
if username:
self.creds.set_username(username)
else:
self.creds.set_username(upn)
self.creds.set_password(
getpass('Password for %s: ' % self.creds.get_username()))
kinit_for_gssapi(self.creds, None)
def setUp(self):
self.lp = LoadParm()
try:
self.lp.load_default()
except RuntimeError:
pass
self.creds = Credentials()
self.config = ConfigParser()
self.config.read('.tcreds')
if self.config.has_section('creds'):
self.creds.set_username('%s@%s' % (self.config.get(
'creds', 'username'), self.config.get('creds', 'domain')))
self.creds.set_domain(self.config.get('creds', 'domain'))
self.creds.set_password(self.config.get('creds', 'password'))
kinit_for_gssapi(self.creds, None)
self.kinit()
self.lp.set('realm', self.creds.get_domain())
self.at = hecate.Runner("admin-tools", width=120, height=50)
def tearDown(self):
self.at.shutdown()
if self.creds.get_password():
if not self.config.has_section('creds'):
self.config.add_section('creds')
self.config.set('creds', 'username', self.creds.get_username())
self.config.set('creds', 'domain', self.creds.get_domain())
self.config.set('creds', 'password', self.creds.get_password())
with open('.tcreds', 'w') as w:
self.config.write(w)
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)
