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/ntlmssp/ntlmssp.h"
  23 #include "lib/cmdline/popt_common.h"
  24 #include "torture/torture.h"
  25 #include "param/param.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,
  37                                     tctx->ev, lp_gensec_settings(tctx, tctx->lp_ctx)),
  38                 "gensec client start");
  39
  40         gensec_set_credentials(gensec_security, cmdline_credentials);
  41
  42         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
  43         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
  44
  45         torture_assert_ntstatus_ok(tctx,
  46                         gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
  47                         "Failed to start GENSEC for NTLMSSP");
  48
  49         gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
  50
  51         gensec_ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405060708090a0b0c0d0e0f00");
  52         dump_data_pw("NTLMSSP session key: \n",
  53                      gensec_ntlmssp_state->session_key.data,
  54                      gensec_ntlmssp_state->session_key.length);
  55
  56         gensec_ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_KEY_EXCH | NTLMSSP_NEGOTIATE_NTLM2;
  57
  58         torture_assert_ntstatus_ok(tctx,
  59                 ntlmssp_sign_init(gensec_ntlmssp_state),
  60                 "Failed to sign_init");
  61
  62         data = strhex_to_data_blob(tctx, "6a43494653");
  63         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
  64                                    data.data, data.length, data.data, data.length, &sig);
  65
  66         expected_sig = strhex_to_data_blob(tctx, "01000000e37f97f2544f4d7e00000000");
  67
  68         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
  69         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
  70
  71         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
  72
  73         torture_assert_mem_equal(tctx, sig.data, expected_sig.data, sig.length,
  74                                    "data mismatch");
  75
  76         torture_assert_ntstatus_equal(tctx,
  77                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
  78                                                                   data.data, data.length, data.data, data.length, &sig),
  79                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
  80
  81         gensec_ntlmssp_state->session_key = data_blob(NULL, 0);
  82
  83         torture_assert_ntstatus_equal(tctx,
  84                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
  85                                                                   data.data, data.length, data.data, data.length, &sig),
  86                                       NT_STATUS_NO_USER_SESSION_KEY, "Check of just signed packet without a session key should fail");
  87
  88         talloc_free(gensec_security);
  89
  90         torture_assert_ntstatus_ok(tctx,
  91                 gensec_client_start(mem_ctx, &gensec_security,
  92                                     tctx->ev, lp_gensec_settings(tctx, tctx->lp_ctx)),
  93                 "Failed to start GENSEC for NTLMSSP");
  94
  95         gensec_set_credentials(gensec_security, cmdline_credentials);
  96
  97         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
  98         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
  99
 100         torture_assert_ntstatus_ok(tctx,
 101                 gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
 102                 "GENSEC start mech by oid");
 103
 104         gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
 105
 106         gensec_ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405e538b0");
 107         dump_data_pw("NTLMSSP session key: \n",
 108                      gensec_ntlmssp_state->session_key.data,
 109                      gensec_ntlmssp_state->session_key.length);
 110
 111         gensec_ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_KEY_EXCH;
 112
 113         torture_assert_ntstatus_ok(tctx,
 114                 ntlmssp_sign_init(gensec_ntlmssp_state),
 115                 "Failed to sign_init");
 116
 117         data = strhex_to_data_blob(tctx, "6a43494653");
 118         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
 119                             data.data, data.length, data.data, data.length, &sig);
 120
 121         expected_sig = strhex_to_data_blob(tctx, "0100000078010900397420fe0e5a0f89");
 122
 123         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
 124         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
 125
 126         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
 127
 128         torture_assert_mem_equal(tctx, sig.data+8, expected_sig.data+8, sig.length-8,
 129                                    "data mismatch");
 130
 131         torture_assert_ntstatus_equal(tctx,
 132                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
 133                                                                   data.data, data.length, data.data, data.length, &sig),
 134                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
 135
 136         sig.length /= 2;
 137
 138         torture_assert_ntstatus_equal(tctx,
 139                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
 140                                                                   data.data, data.length, data.data, data.length, &sig),
 141                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet with short sig");
 142
 143         talloc_free(gensec_security);
 144         return true;
 145 }
 146
 147 struct torture_suite *torture_ntlmssp(TALLOC_CTX *mem_ctx)
 148 {
 149         struct torture_suite *suite = torture_suite_create(mem_ctx,
 150                                                                                                            "NTLMSSP");
 151
 152         torture_suite_add_simple_test(suite, "NTLMSSP self check",
 153                                                                    torture_ntlmssp_self_check);
 154
 155         return suite;
 156 }