source/auth/gensec/gensec_ntlmssp.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    dcerpc authentication operations
   5
   6    Copyright (C) Andrew Tridgell 2003
   7    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
   8    Copyright (C) Stefan Metzmacher 2005
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23 */
  24
  25 #include "includes.h"
  26 #include "auth/auth.h"
  27
  28 struct gensec_ntlmssp_state {
  29         struct auth_context *auth_context;
  30         struct auth_serversupplied_info *server_info;
  31         struct ntlmssp_state *ntlmssp_state;
  32         uint32_t have_features;
  33 };
  34
  35
  36 /**
  37  * Return the challenge as determined by the authentication subsystem
  38  * @return an 8 byte random challenge
  39  */
  40
  41 static const uint8_t *auth_ntlmssp_get_challenge(const struct ntlmssp_state *ntlmssp_state)
  42 {
  43         struct gensec_ntlmssp_state *gensec_ntlmssp_state = ntlmssp_state->auth_context;
  44         NTSTATUS status;
  45         const uint8_t *chal;
  46
  47         status = auth_get_challenge(gensec_ntlmssp_state->auth_context, &chal);
  48         if (!NT_STATUS_IS_OK(status)) {
  49                 return NULL;
  50         }
  51
  52         return chal;
  53 }
  54
  55 /**
  56  * Some authentication methods 'fix' the challenge, so we may not be able to set it
  57  *
  58  * @return If the effective challenge used by the auth subsystem may be modified
  59  */
  60 static BOOL auth_ntlmssp_may_set_challenge(const struct ntlmssp_state *ntlmssp_state)
  61 {
  62         struct gensec_ntlmssp_state *gensec_ntlmssp_state = ntlmssp_state->auth_context;
  63
  64         return auth_challenge_may_be_modified(gensec_ntlmssp_state->auth_context);
  65 }
  66
  67 /**
  68  * NTLM2 authentication modifies the effective challenge,
  69  * @param challenge The new challenge value
  70  */
  71 static NTSTATUS auth_ntlmssp_set_challenge(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *challenge)
  72 {
  73         NTSTATUS nt_status;
  74         struct gensec_ntlmssp_state *gensec_ntlmssp_state = ntlmssp_state->auth_context;
  75         struct auth_context *auth_context = gensec_ntlmssp_state->auth_context;
  76         const uint8_t *chal;
  77
  78         if (challenge->length != 8) {
  79                 return NT_STATUS_INVALID_PARAMETER;
  80         }
  81
  82         chal = challenge->data;
  83
  84         nt_status = auth_context_set_challenge(auth_context, chal, "NTLMSSP callback (NTLM2)");
  85
  86         return nt_status;
  87 }
  88
  89 /**
  90  * Check the password on an NTLMSSP login.
  91  *
  92  * Return the session keys used on the connection.
  93  */
  94
  95 static NTSTATUS auth_ntlmssp_check_password(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
  96 {
  97         struct gensec_ntlmssp_state *gensec_ntlmssp_state = ntlmssp_state->auth_context;
  98         struct auth_usersupplied_info *user_info = NULL;
  99         NTSTATUS nt_status;
 100
 101         nt_status = make_user_info_map(ntlmssp_state,
 102                                        gensec_ntlmssp_state->ntlmssp_state->user,
 103                                        gensec_ntlmssp_state->ntlmssp_state->domain,
 104                                        gensec_ntlmssp_state->ntlmssp_state->workstation,
 105                                        gensec_ntlmssp_state->ntlmssp_state->lm_resp.data ? &gensec_ntlmssp_state->ntlmssp_state->lm_resp : NULL,
 106                                        gensec_ntlmssp_state->ntlmssp_state->nt_resp.data ? &gensec_ntlmssp_state->ntlmssp_state->nt_resp : NULL,
 107                                        NULL, NULL, NULL, True,
 108                                        &user_info);
 109         NT_STATUS_NOT_OK_RETURN(nt_status);
 110
 111         nt_status = auth_check_password(gensec_ntlmssp_state->auth_context, gensec_ntlmssp_state,
 112                                         user_info, &gensec_ntlmssp_state->server_info);
 113         talloc_free(user_info);
 114         NT_STATUS_NOT_OK_RETURN(nt_status);
 115
 116         if (gensec_ntlmssp_state->server_info->user_session_key.length) {
 117                 DEBUG(10, ("Got NT session key of length %u\n", gensec_ntlmssp_state->server_info->user_session_key.length));
 118                 *user_session_key = data_blob_talloc(ntlmssp_state,
 119                                                    gensec_ntlmssp_state->server_info->user_session_key.data,
 120                                                    gensec_ntlmssp_state->server_info->user_session_key.length);
 121         }
 122         if (gensec_ntlmssp_state->server_info->lm_session_key.length) {
 123                 DEBUG(10, ("Got LM session key of length %u\n", gensec_ntlmssp_state->server_info->lm_session_key.length));
 124                 *lm_session_key = data_blob_talloc(ntlmssp_state,
 125                                                    gensec_ntlmssp_state->server_info->lm_session_key.data,
 126                                                    gensec_ntlmssp_state->server_info->lm_session_key.length);
 127         }
 128         return nt_status;
 129 }
 130
 131 static int gensec_ntlmssp_destroy(void *ptr)
 132 {
 133         struct gensec_ntlmssp_state *gensec_ntlmssp_state = ptr;
 134
 135         if (gensec_ntlmssp_state->ntlmssp_state) {
 136                 ntlmssp_end(&gensec_ntlmssp_state->ntlmssp_state);
 137         }
 138
 139         return 0;
 140 }
 141
 142 static NTSTATUS gensec_ntlmssp_start(struct gensec_security *gensec_security)
 143 {
 144         struct gensec_ntlmssp_state *gensec_ntlmssp_state;
 145
 146         gensec_ntlmssp_state = talloc(gensec_security, struct gensec_ntlmssp_state);
 147         if (!gensec_ntlmssp_state) {
 148                 return NT_STATUS_NO_MEMORY;
 149         }
 150
 151         gensec_ntlmssp_state->ntlmssp_state = NULL;
 152         gensec_ntlmssp_state->auth_context = NULL;
 153         gensec_ntlmssp_state->server_info = NULL;
 154         gensec_ntlmssp_state->have_features = 0;
 155
 156         talloc_set_destructor(gensec_ntlmssp_state, gensec_ntlmssp_destroy);
 157
 158         gensec_security->private_data = gensec_ntlmssp_state;
 159         return NT_STATUS_OK;
 160 }
 161
 162 static NTSTATUS gensec_ntlmssp_server_start(struct gensec_security *gensec_security)
 163 {
 164         NTSTATUS nt_status;
 165         struct ntlmssp_state *ntlmssp_state;
 166         struct gensec_ntlmssp_state *gensec_ntlmssp_state;
 167
 168         nt_status = gensec_ntlmssp_start(gensec_security);
 169         NT_STATUS_NOT_OK_RETURN(nt_status);
 170
 171         gensec_ntlmssp_state = gensec_security->private_data;
 172
 173         nt_status = ntlmssp_server_start(gensec_ntlmssp_state, &gensec_ntlmssp_state->ntlmssp_state);
 174         NT_STATUS_NOT_OK_RETURN(nt_status);
 175
 176         if (gensec_security->want_features & GENSEC_FEATURE_SIGN) {
 177                 gensec_ntlmssp_state->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
 178         }
 179         if (gensec_security->want_features & GENSEC_FEATURE_SEAL) {
 180                 gensec_ntlmssp_state->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
 181         }
 182
 183         nt_status = auth_context_create(gensec_ntlmssp_state, lp_auth_methods(), &gensec_ntlmssp_state->auth_context);
 184         NT_STATUS_NOT_OK_RETURN(nt_status);
 185
 186         ntlmssp_state = gensec_ntlmssp_state->ntlmssp_state;
 187         ntlmssp_state->auth_context = gensec_ntlmssp_state;
 188         ntlmssp_state->get_challenge = auth_ntlmssp_get_challenge;
 189         ntlmssp_state->may_set_challenge = auth_ntlmssp_may_set_challenge;
 190         ntlmssp_state->set_challenge = auth_ntlmssp_set_challenge;
 191         ntlmssp_state->check_password = auth_ntlmssp_check_password;
 192         ntlmssp_state->server_role = lp_server_role();
 193
 194         return NT_STATUS_OK;
 195 }
 196
 197 static NTSTATUS gensec_ntlmssp_client_start(struct gensec_security *gensec_security)
 198 {
 199         struct gensec_ntlmssp_state *gensec_ntlmssp_state;
 200         const char *password = NULL;
 201         NTSTATUS nt_status;
 202
 203         nt_status = gensec_ntlmssp_start(gensec_security);
 204         NT_STATUS_NOT_OK_RETURN(nt_status);
 205
 206         gensec_ntlmssp_state = gensec_security->private_data;
 207         nt_status = ntlmssp_client_start(gensec_ntlmssp_state,
 208                                          &gensec_ntlmssp_state->ntlmssp_state);
 209         NT_STATUS_NOT_OK_RETURN(nt_status);
 210
 211         if (gensec_security->want_features & GENSEC_FEATURE_SESSION_KEY) {
 212                 /*
 213                  * We need to set this to allow a later SetPassword
 214                  * via the SAMR pipe to succeed. Strange.... We could
 215                  * also add  NTLMSSP_NEGOTIATE_SEAL here. JRA.
 216                  *
 217                  * Without this, Windows will not create the master key
 218                  * that it thinks is only used for NTLMSSP signing and
 219                  * sealing.  (It is actually pulled out and used directly)
 220                  */
 221                 gensec_ntlmssp_state->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
 222         }
 223         if (gensec_security->want_features & GENSEC_FEATURE_SIGN) {
 224                 gensec_ntlmssp_state->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
 225         }
 226         if (gensec_security->want_features & GENSEC_FEATURE_SEAL) {
 227                 gensec_ntlmssp_state->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
 228         }
 229
 230         nt_status = ntlmssp_set_domain(gensec_ntlmssp_state->ntlmssp_state,
 231                                        cli_credentials_get_domain(gensec_security->credentials));
 232         NT_STATUS_NOT_OK_RETURN(nt_status);
 233
 234         nt_status = ntlmssp_set_username(gensec_ntlmssp_state->ntlmssp_state,
 235                                          cli_credentials_get_username(gensec_security->credentials));
 236         NT_STATUS_NOT_OK_RETURN(nt_status);
 237
 238         password = cli_credentials_get_password(gensec_security->credentials);
 239
 240         nt_status = ntlmssp_set_password(gensec_ntlmssp_state->ntlmssp_state, password);
 241         NT_STATUS_NOT_OK_RETURN(nt_status);
 242
 243         nt_status = ntlmssp_set_workstation(gensec_ntlmssp_state->ntlmssp_state,
 244                                             cli_credentials_get_workstation(gensec_security->credentials));
 245
 246         gensec_security->private_data = gensec_ntlmssp_state;
 247
 248         return NT_STATUS_OK;
 249 }
 250
 251 /*
 252   wrappers for the ntlmssp_*() functions
 253 */
 254 static NTSTATUS gensec_ntlmssp_unseal_packet(struct gensec_security *gensec_security,
 255                                              TALLOC_CTX *mem_ctx,
 256                                              uint8_t *data, size_t length,
 257                                              const uint8_t *whole_pdu, size_t pdu_length,
 258                                              DATA_BLOB *sig)
 259 {
 260         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 261
 262         return ntlmssp_unseal_packet(gensec_ntlmssp_state->ntlmssp_state, mem_ctx, data, length, whole_pdu, pdu_length, sig);
 263 }
 264
 265 static NTSTATUS gensec_ntlmssp_check_packet(struct gensec_security *gensec_security,
 266                                             TALLOC_CTX *mem_ctx,
 267                                             const uint8_t *data, size_t length,
 268                                             const uint8_t *whole_pdu, size_t pdu_length,
 269                                             const DATA_BLOB *sig)
 270 {
 271         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 272
 273         return ntlmssp_check_packet(gensec_ntlmssp_state->ntlmssp_state, mem_ctx, data, length, whole_pdu, pdu_length, sig);
 274 }
 275
 276 static NTSTATUS gensec_ntlmssp_seal_packet(struct gensec_security *gensec_security,
 277                                            TALLOC_CTX *mem_ctx,
 278                                            uint8_t *data, size_t length,
 279                                            const uint8_t *whole_pdu, size_t pdu_length,
 280                                            DATA_BLOB *sig)
 281 {
 282         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 283
 284         return ntlmssp_seal_packet(gensec_ntlmssp_state->ntlmssp_state, mem_ctx, data, length, whole_pdu, pdu_length, sig);
 285 }
 286
 287 static NTSTATUS gensec_ntlmssp_sign_packet(struct gensec_security *gensec_security,
 288                                            TALLOC_CTX *mem_ctx,
 289                                            const uint8_t *data, size_t length,
 290                                            const uint8_t *whole_pdu, size_t pdu_length,
 291                                            DATA_BLOB *sig)
 292 {
 293         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 294
 295         return ntlmssp_sign_packet(gensec_ntlmssp_state->ntlmssp_state, mem_ctx, data, length, whole_pdu, pdu_length, sig);
 296 }
 297
 298 static size_t gensec_ntlmssp_sig_size(struct gensec_security *gensec_security)
 299 {
 300         return NTLMSSP_SIG_SIZE;
 301 }
 302
 303 static NTSTATUS gensec_ntlmssp_wrap(struct gensec_security *gensec_security,
 304                                     TALLOC_CTX *mem_ctx,
 305                                     const DATA_BLOB *in,
 306                                     DATA_BLOB *out)
 307 {
 308         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 309         DATA_BLOB sig;
 310         NTSTATUS nt_status;
 311
 312         if (gensec_ntlmssp_state->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL) {
 313
 314                 *out = data_blob_talloc(mem_ctx, NULL, in->length + NTLMSSP_SIG_SIZE);
 315                 memcpy(out->data + NTLMSSP_SIG_SIZE, in->data, in->length);
 316
 317                 nt_status = ntlmssp_seal_packet(gensec_ntlmssp_state->ntlmssp_state, mem_ctx,
 318                                                 out->data + NTLMSSP_SIG_SIZE,
 319                                                 out->length - NTLMSSP_SIG_SIZE,
 320                                                 out->data + NTLMSSP_SIG_SIZE,
 321                                                 out->length - NTLMSSP_SIG_SIZE,
 322                                                 &sig);
 323
 324                 if (NT_STATUS_IS_OK(nt_status)) {
 325                         memcpy(out->data, sig.data, NTLMSSP_SIG_SIZE);
 326                 }
 327                 return nt_status;
 328
 329         } else if ((gensec_ntlmssp_state->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
 330                    || (gensec_ntlmssp_state->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN)) {
 331
 332                 *out = data_blob_talloc(mem_ctx, NULL, in->length + NTLMSSP_SIG_SIZE);
 333                 memcpy(out->data + NTLMSSP_SIG_SIZE, in->data, in->length);
 334
 335                 nt_status = ntlmssp_sign_packet(gensec_ntlmssp_state->ntlmssp_state, mem_ctx,
 336                                                 out->data + NTLMSSP_SIG_SIZE,
 337                                                 out->length - NTLMSSP_SIG_SIZE,
 338                                                 out->data + NTLMSSP_SIG_SIZE,
 339                                                 out->length - NTLMSSP_SIG_SIZE,
 340                                                 &sig);
 341
 342                 if (NT_STATUS_IS_OK(nt_status)) {
 343                         memcpy(out->data, sig.data, NTLMSSP_SIG_SIZE);
 344                 }
 345                 return nt_status;
 346
 347         } else {
 348                 *out = *in;
 349                 return NT_STATUS_OK;
 350         }
 351 }
 352
 353
 354 static NTSTATUS gensec_ntlmssp_unwrap(struct gensec_security *gensec_security,
 355                                       TALLOC_CTX *mem_ctx,
 356                                       const DATA_BLOB *in,
 357                                       DATA_BLOB *out)
 358 {
 359         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 360         DATA_BLOB sig;
 361
 362         if (gensec_ntlmssp_state->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL) {
 363                 if (in->length < NTLMSSP_SIG_SIZE) {
 364                         return NT_STATUS_INVALID_PARAMETER;
 365                 }
 366                 sig.data = in->data;
 367                 sig.length = NTLMSSP_SIG_SIZE;
 368
 369                 *out = data_blob_talloc(mem_ctx, in->data + NTLMSSP_SIG_SIZE, in->length - NTLMSSP_SIG_SIZE);
 370
 371                 return ntlmssp_unseal_packet(gensec_ntlmssp_state->ntlmssp_state, mem_ctx,
 372                                              out->data, out->length,
 373                                              out->data, out->length,
 374                                              &sig);
 375
 376         } else if ((gensec_ntlmssp_state->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
 377                    || (gensec_ntlmssp_state->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN)) {
 378                 if (in->length < NTLMSSP_SIG_SIZE) {
 379                         return NT_STATUS_INVALID_PARAMETER;
 380                 }
 381                 sig.data = in->data;
 382                 sig.length = NTLMSSP_SIG_SIZE;
 383
 384                 *out = data_blob_talloc(mem_ctx, in->data + NTLMSSP_SIG_SIZE, in->length - NTLMSSP_SIG_SIZE);
 385
 386                 return ntlmssp_check_packet(gensec_ntlmssp_state->ntlmssp_state, mem_ctx,
 387                                             out->data, out->length,
 388                                             out->data, out->length,
 389                                             &sig);
 390         } else {
 391                 *out = *in;
 392                 return NT_STATUS_OK;
 393         }
 394 }
 395
 396 static NTSTATUS gensec_ntlmssp_session_key(struct gensec_security *gensec_security,
 397                                            DATA_BLOB *session_key)
 398 {
 399         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 400
 401         return ntlmssp_session_key(gensec_ntlmssp_state->ntlmssp_state, session_key);
 402 }
 403
 404 /**
 405  * Next state function for the wrapped NTLMSSP state machine
 406  *
 407  * @param gensec_security GENSEC state, initialised to NTLMSSP
 408  * @param out_mem_ctx The TALLOC_CTX for *out to be allocated on
 409  * @param in The request, as a DATA_BLOB
 410  * @param out The reply, as an talloc()ed DATA_BLOB, on *out_mem_ctx
 411  * @return Error, MORE_PROCESSING_REQUIRED if a reply is sent,
 412  *                or NT_STATUS_OK if the user is authenticated.
 413  */
 414
 415 static NTSTATUS gensec_ntlmssp_update(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
 416                                       const DATA_BLOB in, DATA_BLOB *out)
 417 {
 418         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 419         NTSTATUS status;
 420
 421         status = ntlmssp_update(gensec_ntlmssp_state->ntlmssp_state, out_mem_ctx, in, out);
 422
 423         if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) && !NT_STATUS_IS_OK(status)) {
 424                 return status;
 425         }
 426
 427         gensec_ntlmssp_state->have_features = 0;
 428
 429         if (gensec_ntlmssp_state->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN) {
 430                 gensec_ntlmssp_state->have_features |= GENSEC_FEATURE_SIGN;
 431         }
 432
 433         if (gensec_ntlmssp_state->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL) {
 434                 gensec_ntlmssp_state->have_features |= GENSEC_FEATURE_SEAL;
 435         }
 436
 437         if (gensec_ntlmssp_state->ntlmssp_state->session_key.data) {
 438                 gensec_ntlmssp_state->have_features |= GENSEC_FEATURE_SESSION_KEY;
 439         }
 440
 441         return status;
 442 }
 443
 444 /**
 445  * Return the credentials of a logged on user, including session keys
 446  * etc.
 447  *
 448  * Only valid after a successful authentication
 449  *
 450  * May only be called once per authentication.
 451  *
 452  */
 453
 454 static NTSTATUS gensec_ntlmssp_session_info(struct gensec_security *gensec_security,
 455                                             struct auth_session_info **session_info)
 456 {
 457         NTSTATUS nt_status;
 458         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 459
 460         nt_status = auth_generate_session_info(gensec_ntlmssp_state, gensec_ntlmssp_state->server_info, session_info);
 461         NT_STATUS_NOT_OK_RETURN(nt_status);
 462
 463         (*session_info)->session_key = data_blob_talloc(*session_info,
 464                                                         gensec_ntlmssp_state->ntlmssp_state->session_key.data,
 465                                                         gensec_ntlmssp_state->ntlmssp_state->session_key.length);
 466
 467         return NT_STATUS_OK;
 468 }
 469
 470 static BOOL gensec_ntlmssp_have_feature(struct gensec_security *gensec_security,
 471                                         uint32_t feature)
 472 {
 473         struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
 474         if (gensec_ntlmssp_state->have_features & feature) {
 475                 return True;
 476         }
 477
 478         return False;
 479 }
 480
 481 static const struct gensec_security_ops gensec_ntlmssp_security_ops = {
 482         .name           = "ntlmssp",
 483         .sasl_name      = "NTLM",
 484         .auth_type      = DCERPC_AUTH_TYPE_NTLMSSP,
 485         .oid            = GENSEC_OID_NTLMSSP,
 486         .client_start   = gensec_ntlmssp_client_start,
 487         .server_start   = gensec_ntlmssp_server_start,
 488         .update         = gensec_ntlmssp_update,
 489         .sig_size       = gensec_ntlmssp_sig_size,
 490         .sign_packet    = gensec_ntlmssp_sign_packet,
 491         .check_packet   = gensec_ntlmssp_check_packet,
 492         .seal_packet    = gensec_ntlmssp_seal_packet,
 493         .unseal_packet  = gensec_ntlmssp_unseal_packet,
 494         .wrap           = gensec_ntlmssp_wrap,
 495         .unwrap         = gensec_ntlmssp_unwrap,
 496         .session_key    = gensec_ntlmssp_session_key,
 497         .session_info   = gensec_ntlmssp_session_info,
 498         .have_feature   = gensec_ntlmssp_have_feature,
 499         .enabled        = True
 500 };
 501
 502
 503 NTSTATUS gensec_ntlmssp_init(void)
 504 {
 505         NTSTATUS ret;
 506         ret = gensec_register(&gensec_ntlmssp_security_ops);
 507         if (!NT_STATUS_IS_OK(ret)) {
 508                 DEBUG(0,("Failed to register '%s' gensec backend!\n",
 509                         gensec_ntlmssp_security_ops.name));
 510                 return ret;
 511         }
 512
 513         return ret;
 514 }