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_internal.h"
  23 #include "auth/ntlmssp/ntlmssp.h"
  24 #include "auth/ntlmssp/ntlmssp_private.h"
  25 #include "lib/cmdline/cmdline.h"
  26 #include "torture/torture.h"
  27 #include "param/param.h"
  28 #include "torture/auth/proto.h"
  29
  30 static bool torture_ntlmssp_self_check(struct torture_context *tctx)
  31 {
  32         struct gensec_security *gensec_security;
  33         struct gensec_ntlmssp_context *gensec_ntlmssp;
  34         struct ntlmssp_state *ntlmssp_state;
  35         DATA_BLOB data;
  36         DATA_BLOB sig, expected_sig;
  37         TALLOC_CTX *mem_ctx = tctx;
  38
  39         torture_assert_ntstatus_ok(tctx,
  40                 gensec_client_start(mem_ctx, &gensec_security,
  41                                     lpcfg_gensec_settings(tctx, tctx->lp_ctx)),
  42                 "gensec client start");
  43
  44         gensec_set_credentials(gensec_security, samba_cmdline_get_creds());
  45
  46         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
  47         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
  48
  49         torture_assert_ntstatus_ok(tctx,
  50                         gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
  51                         "Failed to start GENSEC for NTLMSSP");
  52
  53         gensec_ntlmssp = talloc_get_type_abort(gensec_security->private_data,
  54                                                struct gensec_ntlmssp_context);
  55         ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
  56
  57         ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405060708090a0b0c0d0e0f00");
  58         dump_data_pw("NTLMSSP session key: \n",
  59                      ntlmssp_state->session_key.data,
  60                      ntlmssp_state->session_key.length);
  61
  62         ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_KEY_EXCH | NTLMSSP_NEGOTIATE_NTLM2;
  63
  64         torture_assert_ntstatus_ok(tctx,
  65                 ntlmssp_sign_init(ntlmssp_state),
  66                 "Failed to sign_init");
  67
  68         data = strhex_to_data_blob(tctx, "6a43494653");
  69         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
  70                                    data.data, data.length, data.data, data.length, &sig);
  71
  72         expected_sig = strhex_to_data_blob(tctx, "01000000e37f97f2544f4d7e00000000");
  73
  74         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
  75         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
  76
  77         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
  78
  79         torture_assert_mem_equal(tctx, sig.data, expected_sig.data, sig.length,
  80                                    "data mismatch");
  81
  82         torture_assert_ntstatus_equal(tctx,
  83                                       gensec_ntlmssp_check_packet(gensec_security,
  84                                                                   data.data, data.length, data.data, data.length, &sig),
  85                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
  86
  87         ntlmssp_state->session_key = data_blob(NULL, 0);
  88
  89         torture_assert_ntstatus_equal(tctx,
  90                                       gensec_ntlmssp_check_packet(gensec_security,
  91                                                                   data.data, data.length, data.data, data.length, &sig),
  92                                       NT_STATUS_NO_USER_SESSION_KEY, "Check of just signed packet without a session key should fail");
  93
  94         talloc_free(gensec_security);
  95
  96         torture_assert_ntstatus_ok(tctx,
  97                 gensec_client_start(mem_ctx, &gensec_security,
  98                                     lpcfg_gensec_settings(tctx, tctx->lp_ctx)),
  99                 "Failed to start GENSEC for NTLMSSP");
 100
 101         gensec_set_credentials(gensec_security, samba_cmdline_get_creds());
 102
 103         gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
 104         gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
 105
 106         torture_assert_ntstatus_ok(tctx,
 107                 gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP),
 108                 "GENSEC start mech by oid");
 109
 110         gensec_ntlmssp = talloc_get_type_abort(gensec_security->private_data,
 111                                                struct gensec_ntlmssp_context);
 112         ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
 113
 114         ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405e538b0");
 115         dump_data_pw("NTLMSSP session key: \n",
 116                      ntlmssp_state->session_key.data,
 117                      ntlmssp_state->session_key.length);
 118
 119         ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_KEY_EXCH;
 120
 121         torture_assert_ntstatus_ok(tctx,
 122                 ntlmssp_sign_init(ntlmssp_state),
 123                 "Failed to sign_init");
 124
 125         data = strhex_to_data_blob(tctx, "6a43494653");
 126         gensec_ntlmssp_sign_packet(gensec_security, gensec_security,
 127                             data.data, data.length, data.data, data.length, &sig);
 128
 129         expected_sig = strhex_to_data_blob(tctx, "0100000078010900397420fe0e5a0f89");
 130
 131         dump_data_pw("NTLMSSP calc sig:     ", sig.data, sig.length);
 132         dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length);
 133
 134         torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length");
 135
 136         torture_assert_mem_equal(tctx, sig.data+8, expected_sig.data+8, sig.length-8,
 137                                    "data mismatch");
 138
 139         torture_assert_ntstatus_equal(tctx,
 140                                       gensec_ntlmssp_check_packet(gensec_security,
 141                                                                   data.data, data.length, data.data, data.length, &sig),
 142                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)");
 143
 144         sig.length /= 2;
 145
 146         torture_assert_ntstatus_equal(tctx,
 147                                       gensec_ntlmssp_check_packet(gensec_security,
 148                                                                   data.data, data.length, data.data, data.length, &sig),
 149                                       NT_STATUS_ACCESS_DENIED, "Check of just signed packet with short sig");
 150
 151         talloc_free(gensec_security);
 152         return true;
 153 }
 154
 155 struct torture_suite *torture_ntlmssp(TALLOC_CTX *mem_ctx)
 156 {
 157         struct torture_suite *suite = torture_suite_create(mem_ctx, "ntlmssp");
 158
 159         torture_suite_add_simple_test(suite, "NTLMSSP self check",
 160                                                                    torture_ntlmssp_self_check);
 161
 162         return suite;
 163 }