source4/torture/auth/ntlmssp.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Small self-tests for the NTLMSSP code
   4    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "auth/gensec/gensec.h"
  22 #include "auth/gensec/gensec_proto.h"
  23 #include "auth/ntlmssp/ntlmssp.h"
  24 #include "lib/cmdline/popt_common.h"
  25 #include "torture/torture.h"
  26
  27 static bool torture_ntlmssp_self_check(struct torture_context *tctx)
  28 {
  29         struct gensec_security *gensec_security;
  30         struct gensec_ntlmssp_state *gensec_ntlmssp_state;
  31         DATA_BLOB data;
  32         DATA_BLOB sig, expected_sig;
  33         TALLOC_CTX *mem_ctx = tctx;
  34
  35         torture_assert_ntstatus_ok(tctx,
  36                 gensec_client_start(mem_ctx, &gensec_security, NULL, tctx->lp_ctx),
  37                 "gensec client start");
  38
  39         gensec_set_credentials(gensec_security, cmdline_credentials);
  40
  41         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
  42         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
  43
  44         torture_assert_ntstatus_ok(tctx,
  45                         gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
  46                         "Failed to start GENSEC for NTLMSSP");
  47
  48         gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
  49
  50         gensec_ntlmssp_state->session_key = strhex_to_data_blob("0102030405060708090a0b0c0d0e0f00");
  51         dump_data_pw("NTLMSSP session key: \n",
  52                      gensec_ntlmssp_state->session_key.data,
  53                      gensec_ntlmssp_state->session_key.length);
  54
  55         gensec_ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_KEY_EXCH | NTLMSSP_NEGOTIATE_NTLM2;
  56
  57         torture_assert_ntstatus_ok(tctx,
  58                 ntlmssp_sign_init(gensec_ntlmssp_state),
  59                 "Failed to sign_init");
  60
  61         data = strhex_to_data_blob("6a43494653");
  62         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
  63                                    data.data, data.length, data.data, data.length, &sig);
  64
  65         expected_sig = strhex_to_data_blob("01000000e37f97f2544f4d7e00000000");
  66
  67         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
  68         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
  69
  70         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
  71
  72         torture_assert(tctx, 0 == memcmp(sig.data, expected_sig.data, sig.length),
  73                                    "data mismatch");
  74
  75         torture_assert_ntstatus_equal(tctx,
  76                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
  77                                                                   data.data, data.length, data.data, data.length, &sig),
  78                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
  79
  80         gensec_ntlmssp_state->session_key = data_blob(NULL, 0);
  81
  82         torture_assert_ntstatus_equal(tctx,
  83                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
  84                                                                   data.data, data.length, data.data, data.length, &sig),
  85                                       NT_STATUS_NO_USER_SESSION_KEY, "Check of just signed packet without a session key should fail");
  86
  87         talloc_free(gensec_security);
  88
  89         torture_assert_ntstatus_ok(tctx,
  90                 gensec_client_start(mem_ctx, &gensec_security, NULL, tctx->lp_ctx),
  91                 "Failed to start GENSEC for NTLMSSP");
  92
  93         gensec_set_credentials(gensec_security, cmdline_credentials);
  94
  95         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
  96         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
  97
  98         torture_assert_ntstatus_ok(tctx,
  99                 gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
 100                 "GENSEC start mech by oid");
 101
 102         gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
 103
 104         gensec_ntlmssp_state->session_key = strhex_to_data_blob("0102030405e538b0");
 105         dump_data_pw("NTLMSSP session key: \n",
 106                      gensec_ntlmssp_state->session_key.data,
 107                      gensec_ntlmssp_state->session_key.length);
 108
 109         gensec_ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_KEY_EXCH;
 110
 111         torture_assert_ntstatus_ok(tctx,
 112                 ntlmssp_sign_init(gensec_ntlmssp_state),
 113                 "Failed to sign_init");
 114
 115         data = strhex_to_data_blob("6a43494653");
 116         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
 117                             data.data, data.length, data.data, data.length, &sig);
 118
 119         expected_sig = strhex_to_data_blob("0100000078010900397420fe0e5a0f89");
 120
 121         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
 122         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
 123
 124         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
 125
 126         torture_assert(tctx,  0 == memcmp(sig.data+8, expected_sig.data+8, sig.length-8),
 127                                    "data mismatch");
 128
 129         torture_assert_ntstatus_equal(tctx,
 130                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
 131                                                                   data.data, data.length, data.data, data.length, &sig),
 132                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
 133
 134         sig.length /= 2;
 135
 136         torture_assert_ntstatus_equal(tctx,
 137                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
 138                                                                   data.data, data.length, data.data, data.length, &sig),
 139                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet with short sig");
 140
 141         talloc_free(gensec_security);
 142         return true;
 143 }
 144
 145 struct torture_suite *torture_ntlmssp(TALLOC_CTX *mem_ctx)
 146 {
 147         struct torture_suite *suite = torture_suite_create(mem_ctx,
 148                                                                                                            "NTLMSSP");
 149
 150         torture_suite_add_simple_test(suite, "NTLMSSP self check",
 151                                                                    torture_ntlmssp_self_check);
 152
 153         return suite;
 154 }