python/samba/tests/password_hash_gpgme.py

   1 # Tests for Tests for source4/dsdb/samdb/ldb_modules/password_hash.c
   2 #
   3 # Copyright (C) Catalyst IT Ltd. 2017
   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 """
  20 Tests for source4/dsdb/samdb/ldb_modules/password_hash.c
  21 These tests need to be run in an environment in which
  22 io->ac->gpg_key_ids != NULL, so that the gpg supplemental credentials
  23 are generated. The functional level needs to be >= 2008 so that the
  24 kerberos newer keys are generated.
  25 """
  26
  27
  28 from samba.tests.password_hash import (
  29     PassWordHashTests,
  30     get_package,
  31     USER_PASS
  32 )
  33 from samba.ndr import ndr_unpack
  34 from samba.dcerpc import drsblobs
  35 import binascii
  36
  37
  38 class PassWordHashGpgmeTests(PassWordHashTests):
  39
  40     def setUp(self):
  41         super(PassWordHashGpgmeTests, self).setUp()
  42
  43     def test_default_supplementalCredentials(self):
  44         self.add_user()
  45         if not self.lp.get("password hash gpg key ids"):
  46             self.skipTest("No password hash gpg key ids, " +
  47                           "Primary:SambaGPG will not be generated");
  48
  49         sc = self.get_supplemental_creds()
  50
  51         # Check that we got all the expected supplemental credentials
  52         # And they are in the expected order.
  53         size = len(sc.sub.packages)
  54         self.assertEquals(5, size)
  55         (pos, package) = get_package(sc, "Primary:Kerberos-Newer-Keys")
  56         self.assertEquals(1, pos)
  57         self.assertEquals("Primary:Kerberos-Newer-Keys", package.name)
  58
  59         (pos, package) = get_package(sc, "Primary:Kerberos")
  60         self.assertEquals(2, pos)
  61         self.assertEquals("Primary:Kerberos", package.name)
  62
  63         (pos, wd_package) = get_package(sc, "Primary:WDigest")
  64         self.assertEquals(3, pos)
  65         self.assertEquals("Primary:WDigest", wd_package.name)
  66
  67         (pos, package) = get_package(sc, "Packages")
  68         self.assertEquals(4, pos)
  69         self.assertEquals("Packages", package.name)
  70
  71         (pos, package) = get_package(sc, "Primary:SambaGPG")
  72         self.assertEquals(5, pos)
  73         self.assertEquals("Primary:SambaGPG", package.name)
  74
  75         # Check that the WDigest values are correct.
  76         #
  77         digests = ndr_unpack(drsblobs.package_PrimaryWDigestBlob,
  78                              binascii.a2b_hex(wd_package.data))
  79         self.check_wdigests(digests)
  80
  81     def test_supplementalCredentials_cleartext(self):
  82         self.add_user(clear_text=True)
  83         if not self.lp.get("password hash gpg key ids"):
  84             self.skipTest("No password hash gpg key ids, " +
  85                           "Primary:SambaGPG will not be generated");
  86
  87         sc = self.get_supplemental_creds()
  88
  89         # Check that we got all the expected supplemental credentials
  90         # And they are in the expected order.
  91         size = len(sc.sub.packages)
  92         self.assertEquals(6, size)
  93         (pos, package) = get_package(sc, "Primary:Kerberos-Newer-Keys")
  94         self.assertEquals(1, pos)
  95         self.assertEquals("Primary:Kerberos-Newer-Keys", package.name)
  96
  97         (pos, package) = get_package(sc, "Primary:Kerberos")
  98         self.assertEquals(2, pos)
  99         self.assertEquals("Primary:Kerberos", package.name)
 100
 101         (pos, wd_package) = get_package(sc, "Primary:WDigest")
 102         self.assertEquals(3, pos)
 103         self.assertEquals("Primary:WDigest", wd_package.name)
 104
 105         (pos, ct_package) = get_package(sc, "Primary:CLEARTEXT")
 106         self.assertEquals(4, pos)
 107         self.assertEquals("Primary:CLEARTEXT", ct_package.name)
 108
 109         (pos, package) = get_package(sc, "Packages")
 110         self.assertEquals(5, pos)
 111         self.assertEquals("Packages", package.name)
 112
 113         (pos, package) = get_package(sc, "Primary:SambaGPG")
 114         self.assertEquals(6, pos)
 115         self.assertEquals("Primary:SambaGPG", package.name)
 116
 117         # Check that the WDigest values are correct.
 118         #
 119         digests = ndr_unpack(drsblobs.package_PrimaryWDigestBlob,
 120                              binascii.a2b_hex(wd_package.data))
 121         self.check_wdigests(digests)
 122
 123         # Check the clear text  value is correct.
 124         ct = ndr_unpack(drsblobs.package_PrimaryCLEARTEXTBlob,
 125                         binascii.a2b_hex(ct_package.data))
 126         self.assertEquals(USER_PASS.encode('utf-16-le'), ct.cleartext)
 127
 128     def test_userPassword_multiple_hashes(self):
 129         self.add_user(options=[(
 130             "password hash userPassword schemes",
 131             "CryptSHA512 CryptSHA256 CryptSHA512")])
 132
 133         sc = self.get_supplemental_creds()
 134
 135         # Check that we got all the expected supplemental credentials
 136         # And they are in the expected order.
 137         size = len(sc.sub.packages)
 138         self.assertEquals(6, size)
 139
 140         (pos, package) = get_package(sc, "Primary:Kerberos-Newer-Keys")
 141         self.assertEquals(1, pos)
 142         self.assertEquals("Primary:Kerberos-Newer-Keys", package.name)
 143
 144         (pos, package) = get_package(sc, "Primary:Kerberos")
 145         self.assertEquals(2, pos)
 146         self.assertEquals("Primary:Kerberos", package.name)
 147
 148         (pos, wp_package) = get_package(sc, "Primary:WDigest")
 149         self.assertEquals(3, pos)
 150         self.assertEquals("Primary:WDigest", wp_package.name)
 151
 152         (pos, up_package) = get_package(sc, "Primary:userPassword")
 153         self.assertEquals(4, pos)
 154         self.assertEquals("Primary:userPassword", up_package.name)
 155
 156         (pos, package) = get_package(sc, "Packages")
 157         self.assertEquals(5, pos)
 158         self.assertEquals("Packages", package.name)
 159
 160         (pos, package) = get_package(sc, "Primary:SambaGPG")
 161         self.assertEquals(6, pos)
 162         self.assertEquals("Primary:SambaGPG", package.name)
 163
 164         # Check that the WDigest values are correct.
 165         #
 166         digests = ndr_unpack(drsblobs.package_PrimaryWDigestBlob,
 167                              binascii.a2b_hex(wp_package.data))
 168         self.check_wdigests(digests)
 169
 170         # Check that the userPassword hashes are computed correctly
 171         # Expect three hashes to be calculated
 172         up = ndr_unpack(drsblobs.package_PrimaryUserPasswordBlob,
 173                         binascii.a2b_hex(up_package.data))
 174         self.checkUserPassword(up, [
 175             ("{CRYPT}", "6", None),
 176             ("{CRYPT}", "5", None),
 177             ("{CRYPT}", "6", None)
 178         ])
 179         self.checkNtHash(USER_PASS, up.current_nt_hash.hash)
 180
 181     def test_userPassword_multiple_hashes_rounds_specified(self):
 182         self.add_user(options=[(
 183             "password hash userPassword schemes",
 184             "CryptSHA512:rounds=5120 CryptSHA256:rounds=2560 CryptSHA512:rounds=5122")])
 185
 186         sc = self.get_supplemental_creds()
 187
 188         # Check that we got all the expected supplemental credentials
 189         # And they are in the expected order.
 190         size = len(sc.sub.packages)
 191         self.assertEquals(6, size)
 192
 193         (pos, package) = get_package(sc, "Primary:Kerberos-Newer-Keys")
 194         self.assertEquals(1, pos)
 195         self.assertEquals("Primary:Kerberos-Newer-Keys", package.name)
 196
 197         (pos, package) = get_package(sc, "Primary:Kerberos")
 198         self.assertEquals(2, pos)
 199         self.assertEquals("Primary:Kerberos", package.name)
 200
 201         (pos, wp_package) = get_package(sc, "Primary:WDigest")
 202         self.assertEquals(3, pos)
 203         self.assertEquals("Primary:WDigest", wp_package.name)
 204
 205         (pos, up_package) = get_package(sc, "Primary:userPassword")
 206         self.assertEquals(4, pos)
 207         self.assertEquals("Primary:userPassword", up_package.name)
 208
 209         (pos, package) = get_package(sc, "Packages")
 210         self.assertEquals(5, pos)
 211         self.assertEquals("Packages", package.name)
 212
 213         (pos, package) = get_package(sc, "Primary:SambaGPG")
 214         self.assertEquals(6, pos)
 215         self.assertEquals("Primary:SambaGPG", package.name)
 216
 217         # Check that the WDigest values are correct.
 218         #
 219         digests = ndr_unpack(drsblobs.package_PrimaryWDigestBlob,
 220                              binascii.a2b_hex(wp_package.data))
 221         self.check_wdigests(digests)
 222
 223         # Check that the userPassword hashes are computed correctly
 224         # Expect three hashes to be calculated
 225         up = ndr_unpack(drsblobs.package_PrimaryUserPasswordBlob,
 226                         binascii.a2b_hex(up_package.data))
 227         self.checkUserPassword(up, [
 228             ("{CRYPT}", "6", 5120),
 229             ("{CRYPT}", "5", 2560),
 230             ("{CRYPT}", "6", 5122)
 231         ])
 232         self.checkNtHash(USER_PASS, up.current_nt_hash.hash)