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