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
  26 static bool torture_ntlmssp_self_check(struct torture_context *tctx)
  27 {
  28         struct gensec_security *gensec_security;
  29         struct gensec_ntlmssp_state *gensec_ntlmssp_state;
  30         DATA_BLOB data;
  31         DATA_BLOB sig, expected_sig;
  32         TALLOC_CTX *mem_ctx = tctx;
  33
  34         torture_assert_ntstatus_ok(tctx,
  35                 gensec_client_start(mem_ctx, &gensec_security, NULL, tctx->lp_ctx),
  36                 "gensec client start");
  37
  38         gensec_set_credentials(gensec_security, cmdline_credentials);
  39
  40         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
  41         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
  42
  43         torture_assert_ntstatus_ok(tctx,
  44                         gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
  45                         "Failed to start GENSEC for NTLMSSP");
  46
  47         gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
  48
  49         gensec_ntlmssp_state->session_key = strhex_to_data_blob("0102030405060708090a0b0c0d0e0f00");
  50         dump_data_pw("NTLMSSP session key: \n",
  51                      gensec_ntlmssp_state->session_key.data,
  52                      gensec_ntlmssp_state->session_key.length);
  53
  54         gensec_ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_KEY_EXCH | NTLMSSP_NEGOTIATE_NTLM2;
  55
  56         torture_assert_ntstatus_ok(tctx,
  57                 ntlmssp_sign_init(gensec_ntlmssp_state),
  58                 "Failed to sign_init");
  59
  60         data = strhex_to_data_blob("6a43494653");
  61         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
  62                                    data.data, data.length, data.data, data.length, &sig);
  63
  64         expected_sig = strhex_to_data_blob("01000000e37f97f2544f4d7e00000000");
  65
  66         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
  67         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
  68
  69         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
  70
  71         torture_assert(tctx, 0 == memcmp(sig.data, expected_sig.data, sig.length),
  72                                    "data mismatch");
  73
  74         torture_assert_ntstatus_equal(tctx,
  75                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
  76                                                                   data.data, data.length, data.data, data.length, &sig),
  77                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
  78
  79         gensec_ntlmssp_state->session_key = data_blob(NULL, 0);
  80
  81         torture_assert_ntstatus_equal(tctx,
  82                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
  83                                                                   data.data, data.length, data.data, data.length, &sig),
  84                                       NT_STATUS_NO_USER_SESSION_KEY, "Check of just signed packet without a session key should fail");
  85
  86         talloc_free(gensec_security);
  87
  88         torture_assert_ntstatus_ok(tctx,
  89                 gensec_client_start(mem_ctx, &gensec_security, NULL, tctx->lp_ctx),
  90                 "Failed to start GENSEC for NTLMSSP");
  91
  92         gensec_set_credentials(gensec_security, cmdline_credentials);
  93
  94         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
  95         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
  96
  97         torture_assert_ntstatus_ok(tctx,
  98                 gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
  99                 "GENSEC start mech by oid");
 100
 101         gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data;
 102
 103         gensec_ntlmssp_state->session_key = strhex_to_data_blob("0102030405e538b0");
 104         dump_data_pw("NTLMSSP session key: \n",
 105                      gensec_ntlmssp_state->session_key.data,
 106                      gensec_ntlmssp_state->session_key.length);
 107
 108         gensec_ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_KEY_EXCH;
 109
 110         torture_assert_ntstatus_ok(tctx,
 111                 ntlmssp_sign_init(gensec_ntlmssp_state),
 112                 "Failed to sign_init");
 113
 114         data = strhex_to_data_blob("6a43494653");
 115         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
 116                             data.data, data.length, data.data, data.length, &sig);
 117
 118         expected_sig = strhex_to_data_blob("0100000078010900397420fe0e5a0f89");
 119
 120         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
 121         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
 122
 123         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
 124
 125         torture_assert(tctx,  0 == memcmp(sig.data+8, expected_sig.data+8, sig.length-8),
 126                                    "data mismatch");
 127
 128         torture_assert_ntstatus_equal(tctx,
 129                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
 130                                                                   data.data, data.length, data.data, data.length, &sig),
 131                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
 132
 133         sig.length /= 2;
 134
 135         torture_assert_ntstatus_equal(tctx,
 136                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
 137                                                                   data.data, data.length, data.data, data.length, &sig),
 138                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet with short sig");
 139
 140         talloc_free(gensec_security);
 141         return true;
 142 }
 143
 144 _PUBLIC_ struct torture_suite *torture_ntlmssp(TALLOC_CTX *mem_ctx)
 145 {
 146         struct torture_suite *suite = torture_suite_create(mem_ctx,
 147                                                                                                            "NTLMSSP");
 148
 149         torture_suite_add_simple_test(suite, "NTLMSSP self check",
 150                                                                    torture_ntlmssp_self_check);
 151
 152         return suite;
 153 }