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_context *gensec_ntlmssp;
  31         struct ntlmssp_state *ntlmssp_state;
  32         DATA_BLOB data;
  33         DATA_BLOB sig, expected_sig;
  34         TALLOC_CTX *mem_ctx = tctx;
  35
  36         torture_assert_ntstatus_ok(tctx,
  37                 gensec_client_start(mem_ctx, &gensec_security,
  38                                     tctx->ev, lpcfg_gensec_settings(tctx, tctx->lp_ctx)),
  39                 "gensec client start");
  40
  41         gensec_set_credentials(gensec_security, cmdline_credentials);
  42
  43         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
  44         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
  45
  46         torture_assert_ntstatus_ok(tctx,
  47                         gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
  48                         "Failed to start GENSEC for NTLMSSP");
  49
  50         gensec_ntlmssp = talloc_get_type_abort(gensec_security->private_data,
  51                                                struct gensec_ntlmssp_context);
  52         ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
  53
  54         ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405060708090a0b0c0d0e0f00");
  55         dump_data_pw("NTLMSSP session key: \n",
  56                      ntlmssp_state->session_key.data,
  57                      ntlmssp_state->session_key.length);
  58
  59         ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_KEY_EXCH | NTLMSSP_NEGOTIATE_NTLM2;
  60
  61         torture_assert_ntstatus_ok(tctx,
  62                 ntlmssp_sign_init(ntlmssp_state),
  63                 "Failed to sign_init");
  64
  65         data = strhex_to_data_blob(tctx, "6a43494653");
  66         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
  67                                    data.data, data.length, data.data, data.length, &sig);
  68
  69         expected_sig = strhex_to_data_blob(tctx, "01000000e37f97f2544f4d7e00000000");
  70
  71         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
  72         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
  73
  74         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
  75
  76         torture_assert_mem_equal(tctx, sig.data, expected_sig.data, sig.length,
  77                                    "data mismatch");
  78
  79         torture_assert_ntstatus_equal(tctx,
  80                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
  81                                                                   data.data, data.length, data.data, data.length, &sig),
  82                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
  83
  84         ntlmssp_state->session_key = data_blob(NULL, 0);
  85
  86         torture_assert_ntstatus_equal(tctx,
  87                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
  88                                                                   data.data, data.length, data.data, data.length, &sig),
  89                                       NT_STATUS_NO_USER_SESSION_KEY, "Check of just signed packet without a session key should fail");
  90
  91         talloc_free(gensec_security);
  92
  93         torture_assert_ntstatus_ok(tctx,
  94                 gensec_client_start(mem_ctx, &gensec_security,
  95                                     tctx->ev, lpcfg_gensec_settings(tctx, tctx->lp_ctx)),
  96                 "Failed to start GENSEC for NTLMSSP");
  97
  98         gensec_set_credentials(gensec_security, cmdline_credentials);
  99
 100         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
 101         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
 102
 103         torture_assert_ntstatus_ok(tctx,
 104                 gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
 105                 "GENSEC start mech by oid");
 106
 107         gensec_ntlmssp = talloc_get_type_abort(gensec_security->private_data,
 108                                                struct gensec_ntlmssp_context);
 109         ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
 110
 111         ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405e538b0");
 112         dump_data_pw("NTLMSSP session key: \n",
 113                      ntlmssp_state->session_key.data,
 114                      ntlmssp_state->session_key.length);
 115
 116         ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_KEY_EXCH;
 117
 118         torture_assert_ntstatus_ok(tctx,
 119                 ntlmssp_sign_init(ntlmssp_state),
 120                 "Failed to sign_init");
 121
 122         data = strhex_to_data_blob(tctx, "6a43494653");
 123         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
 124                             data.data, data.length, data.data, data.length, &sig);
 125
 126         expected_sig = strhex_to_data_blob(tctx, "0100000078010900397420fe0e5a0f89");
 127
 128         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
 129         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
 130
 131         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
 132
 133         torture_assert_mem_equal(tctx, sig.data+8, expected_sig.data+8, sig.length-8,
 134                                    "data mismatch");
 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 (should fail, wrong end)");
 140
 141         sig.length /= 2;
 142
 143         torture_assert_ntstatus_equal(tctx,
 144                                       gensec_ntlmssp_check_packet(gensec_security, gensec_security,
 145                                                                   data.data, data.length, data.data, data.length, &sig),
 146                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet with short sig");
 147
 148         talloc_free(gensec_security);
 149         return true;
 150 }
 151
 152 struct torture_suite *torture_ntlmssp(TALLOC_CTX *mem_ctx)
 153 {
 154         struct torture_suite *suite = torture_suite_create(mem_ctx,
 155                                                                                                            "NTLMSSP");
 156
 157         torture_suite_add_simple_test(suite, "NTLMSSP self check",
 158                                                                    torture_ntlmssp_self_check);
 159
 160         return suite;
 161 }