python/samba/tests/dckeytab.py

   1 # Tests for source4/libnet/py_net_dckeytab.c
   2 #
   3 # Copyright (C) David Mulder <dmulder@suse.com> 2018
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18
  19 import os
  20 import sys
  21 import string
  22 from samba.net import Net
  23 from samba import enable_net_export_keytab
  24
  25 from samba import tests
  26 from samba.param import LoadParm
  27
  28
  29 enable_net_export_keytab()
  30
  31
  32 def open_bytes(filename):
  33     if sys.version_info[0] == 3:
  34         return open(filename, errors='ignore')
  35     else:
  36         return open(filename, 'rb')
  37
  38
  39 class DCKeytabTests(tests.TestCase):
  40     def setUp(self):
  41         super(DCKeytabTests, self).setUp()
  42         self.lp = LoadParm()
  43         self.lp.load_default()
  44         self.creds = self.insta_creds(template=self.get_credentials())
  45         self.ktfile = os.path.join(self.lp.get('private dir'), 'test.keytab')
  46         self.principal = self.creds.get_principal()
  47
  48     def tearDown(self):
  49         super(DCKeytabTests, self).tearDown()
  50         os.remove(self.ktfile)
  51
  52     def test_export_keytab(self):
  53         net = Net(None, self.lp)
  54         net.export_keytab(keytab=self.ktfile, principal=self.principal)
  55         assert os.path.exists(self.ktfile), 'keytab was not created'
  56         with open_bytes(self.ktfile) as bytes_kt:
  57             result = ''
  58             for c in bytes_kt.read():
  59                 if c in string.printable:
  60                     result += c
  61             principal_parts = self.principal.split('@')
  62             assert principal_parts[0] in result and \
  63                 principal_parts[1] in result, \
  64                 'Principal not found in generated keytab'