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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# test tokengroups attribute against internal token calculation
import optparse
import sys
import os
sys.path.insert(0, "bin/python")
import samba
samba.ensure_external_module("testtools", "testtools")
samba.ensure_external_module("subunit", "subunit/python")
import samba.getopt as options
from samba.auth import system_session
from samba import ldb
from samba.samdb import SamDB
from samba.auth import AuthContext
from samba.ndr import ndr_pack, ndr_unpack
from samba import gensec
from samba.credentials import Credentials
from subunit.run import SubunitTestRunner
import unittest
import samba.tests
from samba.dcerpc import security
from samba.auth import AUTH_SESSION_INFO_DEFAULT_GROUPS, AUTH_SESSION_INFO_AUTHENTICATED, AUTH_SESSION_INFO_SIMPLE_PRIVILEGES
parser = optparse.OptionParser("ldap.py [options] <host>")
sambaopts = options.SambaOptions(parser)
parser.add_option_group(sambaopts)
parser.add_option_group(options.VersionOptions(parser))
# use command line creds if available
credopts = options.CredentialsOptions(parser)
parser.add_option_group(credopts)
opts, args = parser.parse_args()
if len(args) < 1:
parser.print_usage()
sys.exit(1)
url = args[0]
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)
class TokenTest(samba.tests.TestCase):
def setUp(self):
super(TokenTest, self).setUp()
self.ldb = samdb
self.base_dn = samdb.domain_dn()
res = self.ldb.search("", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
self.assertEquals(len(res), 1)
self.user_sid_dn = "<SID=%s>" % str(ndr_unpack(samba.dcerpc.security.dom_sid, res[0]["tokenGroups"][0]))
session_info_flags = ( AUTH_SESSION_INFO_DEFAULT_GROUPS |
AUTH_SESSION_INFO_AUTHENTICATED |
AUTH_SESSION_INFO_SIMPLE_PRIVILEGES)
session = samba.auth.user_session(self.ldb, lp_ctx=lp, dn=self.user_sid_dn,
session_info_flags=session_info_flags)
token = session.security_token
self.user_sids = []
for s in token.sids:
self.user_sids.append(str(s))
def test_rootDSE_tokenGroups(self):
"""Testing rootDSE tokengroups against internal calculation"""
if not url.startswith("ldap"):
self.fail(msg="This test is only valid on ldap")
res = self.ldb.search("", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
self.assertEquals(len(res), 1)
print("Getting tokenGroups from rootDSE")
tokengroups = []
for sid in res[0]['tokenGroups']:
tokengroups.append(str(ndr_unpack(samba.dcerpc.security.dom_sid, sid)))
sidset1 = set(tokengroups)
sidset2 = set(self.user_sids)
if len(sidset1.difference(sidset2)):
print("token sids don't match")
print("tokengroups: %s" % tokengroups)
print("calculated : %s" % self.user_sids);
print("difference : %s" % sidset1.difference(sidset2))
self.fail(msg="calculated groups don't match against rootDSE tokenGroups")
def test_dn_tokenGroups(self):
print("Getting tokenGroups from user DN")
res = self.ldb.search(self.user_sid_dn, scope=ldb.SCOPE_BASE, attrs=["tokenGroups"])
self.assertEquals(len(res), 1)
dn_tokengroups = []
for sid in res[0]['tokenGroups']:
dn_tokengroups.append(str(ndr_unpack(samba.dcerpc.security.dom_sid, sid)))
sidset1 = set(dn_tokengroups)
sidset2 = set(self.user_sids)
if len(sidset1.difference(sidset2)):
print("token sids don't match")
print("tokengroups: %s" % tokengroups)
print("calculated : %s" % sids);
print("difference : %s" % sidset1.difference(sidset2))
self.fail(msg="calculated groups don't match against user DN tokenGroups")
def test_pac_groups(self):
settings = {}
settings["lp_ctx"] = lp
settings["target_hostname"] = lp.get("netbios name")
gensec_client = gensec.Security.start_client(settings)
gensec_client.set_credentials(creds)
gensec_client.want_feature(gensec.FEATURE_SEAL)
gensec_client.start_mech_by_sasl_name("GSSAPI")
auth_context = AuthContext(lp_ctx=lp, ldb=self.ldb, methods=[])
gensec_server = gensec.Security.start_server(settings, auth_context)
machine_creds = Credentials()
machine_creds.guess(lp)
machine_creds.set_machine_account(lp)
gensec_server.set_credentials(machine_creds)
gensec_server.want_feature(gensec.FEATURE_SEAL)
gensec_server.start_mech_by_sasl_name("GSSAPI")
client_finished = False
server_finished = False
server_to_client = ""
"""Run the actual call loop"""
while client_finished == False and server_finished == False:
if not client_finished:
print "running client gensec_update"
(client_finished, client_to_server) = gensec_client.update(server_to_client)
if not server_finished:
print "running server gensec_update"
(server_finished, server_to_client) = gensec_server.update(client_to_server)
session = gensec_server.session_info()
token = session.security_token
pac_sids = []
for s in token.sids:
pac_sids.append(str(s))
sidset1 = set(pac_sids)
sidset2 = set(self.user_sids)
if len(sidset1.difference(sidset2)):
print("token sids don't match")
print("tokengroups: %s" % tokengroups)
print("calculated : %s" % sids);
print("difference : %s" % sidset1.difference(sidset2))
self.fail(msg="calculated groups don't match against user PAC tokenGroups")
if not "://" in url:
if os.path.isfile(url):
url = "tdb://%s" % url
else:
url = "ldap://%s" % url
samdb = SamDB(url, credentials=creds, session_info=system_session(lp), lp=lp)
runner = SubunitTestRunner()
rc = 0
if not runner.run(unittest.makeSuite(TokenTest)).wasSuccessful():
rc = 1
sys.exit(rc)
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