source3/auth/auth_util.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    Authentication utility functions
   5    Copyright (C) Andrew Tridgell 1992-1998
   6    Copyright (C) Andrew Bartlett 2001
   7    Copyright (C) Jeremy Allison 2000-2001
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25
  26 extern fstring remote_machine;
  27 extern pstring global_myname;
  28
  29 /****************************************************************************
  30  Create a UNIX user on demand.
  31 ****************************************************************************/
  32
  33 static int smb_create_user(const char *unix_user, const char *homedir)
  34 {
  35         pstring add_script;
  36         int ret;
  37
  38         pstrcpy(add_script, lp_adduser_script());
  39         if (! *add_script)
  40                 return -1;
  41         all_string_sub(add_script, "%u", unix_user, sizeof(pstring));
  42         if (homedir)
  43                 all_string_sub(add_script, "%H", homedir, sizeof(pstring));
  44         ret = smbrun(add_script,NULL);
  45         DEBUG(3,("smb_create_user: Running the command `%s' gave %d\n",add_script,ret));
  46         return ret;
  47 }
  48
  49 /****************************************************************************
  50  Delete a UNIX user on demand.
  51 ****************************************************************************/
  52
  53 int smb_delete_user(const char *unix_user)
  54 {
  55         pstring del_script;
  56         int ret;
  57
  58         pstrcpy(del_script, lp_deluser_script());
  59         if (! *del_script)
  60                 return -1;
  61         all_string_sub(del_script, "%u", unix_user, sizeof(pstring));
  62         ret = smbrun(del_script,NULL);
  63         DEBUG(3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
  64         return ret;
  65 }
  66
  67 /****************************************************************************
  68  Add and Delete UNIX users on demand, based on NTSTATUS codes.
  69 ****************************************************************************/
  70
  71 void smb_user_control(const auth_usersupplied_info *user_info, auth_serversupplied_info *server_info, NTSTATUS nt_status)
  72 {
  73         struct passwd *pwd=NULL;
  74
  75         if (NT_STATUS_IS_OK(nt_status)) {
  76
  77                 if (!(server_info->sam_fill_level & SAM_FILL_UNIX)) {
  78
  79                         /*
  80                          * User validated ok against Domain controller.
  81                          * If the admin wants us to try and create a UNIX
  82                          * user on the fly, do so.
  83                          */
  84
  85                         if(lp_adduser_script() && !(pwd = Get_Pwnam(user_info->internal_username.str))) {
  86                                 smb_create_user(user_info->internal_username.str, NULL);
  87                         }
  88                 }
  89         } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) {
  90                 /*
  91                  * User failed to validate ok against Domain controller.
  92                  * If the failure was "user doesn't exist" and admin
  93                  * wants us to try and delete that UNIX user on the fly,
  94                  * do so.
  95                  */
  96                 if (lp_deluser_script()) {
  97                         smb_delete_user(user_info->internal_username.str);
  98                 }
  99         }
 100 }
 101
 102 /****************************************************************************
 103  Create an auth_usersupplied_data structure
 104 ****************************************************************************/
 105
 106 static BOOL make_user_info(auth_usersupplied_info **user_info,
 107                            const char *smb_name,
 108                            const char *internal_username,
 109                            const char *client_domain,
 110                            const char *domain,
 111                            const char *wksta_name,
 112                            DATA_BLOB lm_pwd, DATA_BLOB nt_pwd,
 113                            DATA_BLOB plaintext,
 114                            uint32 ntlmssp_flags, BOOL encrypted)
 115 {
 116
 117         DEBUG(5,("attempting to make a user_info for %s (%s)\n", internal_username, smb_name));
 118
 119         *user_info = malloc(sizeof(**user_info));
 120         if (!user_info) {
 121                 DEBUG(0,("malloc failed for user_info (size %d)\n", sizeof(*user_info)));
 122                 return False;
 123         }
 124
 125         ZERO_STRUCTP(*user_info);
 126
 127         DEBUG(5,("makeing strings for %s's user_info struct\n", internal_username));
 128
 129         (*user_info)->smb_name.str = strdup(smb_name);
 130         if ((*user_info)->smb_name.str) {
 131                 (*user_info)->smb_name.len = strlen(smb_name);
 132         } else {
 133                 free_user_info(user_info);
 134                 return False;
 135         }
 136
 137         (*user_info)->internal_username.str = strdup(internal_username);
 138         if ((*user_info)->internal_username.str) {
 139                 (*user_info)->internal_username.len = strlen(internal_username);
 140         } else {
 141                 free_user_info(user_info);
 142                 return False;
 143         }
 144
 145         (*user_info)->domain.str = strdup(domain);
 146         if ((*user_info)->domain.str) {
 147                 (*user_info)->domain.len = strlen(domain);
 148         } else {
 149                 free_user_info(user_info);
 150                 return False;
 151         }
 152
 153         (*user_info)->client_domain.str = strdup(client_domain);
 154         if ((*user_info)->client_domain.str) {
 155                 (*user_info)->client_domain.len = strlen(client_domain);
 156         } else {
 157                 free_user_info(user_info);
 158                 return False;
 159         }
 160
 161         (*user_info)->wksta_name.str = strdup(wksta_name);
 162         if ((*user_info)->wksta_name.str) {
 163                 (*user_info)->wksta_name.len = strlen(wksta_name);
 164         } else {
 165                 free_user_info(user_info);
 166                 return False;
 167         }
 168
 169         DEBUG(5,("makeing blobs for %s's user_info struct\n", internal_username));
 170
 171         (*user_info)->lm_resp = data_blob(lm_pwd.data, lm_pwd.length);
 172         (*user_info)->nt_resp = data_blob(nt_pwd.data, nt_pwd.length);
 173         (*user_info)->plaintext_password = data_blob(plaintext.data, plaintext.length);
 174
 175         (*user_info)->encrypted = encrypted;
 176         (*user_info)->ntlmssp_flags = ntlmssp_flags;
 177
 178         DEBUG(10,("made an %sencrypted user_info for %s (%s)\n", encrypted ? "":"un" , internal_username, smb_name));
 179
 180         return True;
 181 }
 182
 183 /****************************************************************************
 184  Create an auth_usersupplied_data structure after appropriate mapping.
 185 ****************************************************************************/
 186
 187 BOOL make_user_info_map(auth_usersupplied_info **user_info,
 188                         const char *smb_name,
 189                         const char *client_domain,
 190                         const char *wksta_name,
 191                         DATA_BLOB lm_pwd, DATA_BLOB nt_pwd,
 192                         DATA_BLOB plaintext,
 193                         uint32 ntlmssp_flags, BOOL encrypted)
 194 {
 195         const char *domain;
 196         fstring internal_username;
 197         fstrcpy(internal_username, smb_name);
 198         map_username(internal_username);
 199
 200         if (lp_allow_trusted_domains()) {
 201                 char *user;
 202                 /* the client could have given us a workstation name
 203                    or other crap for the workgroup - we really need a
 204                    way of telling if this domain name is one of our
 205                    trusted domain names
 206
 207                    The way I do it here is by checking if the fully
 208                    qualified username exists. This is rather reliant
 209                    on winbind, but until we have a better method this
 210                    will have to do
 211                 */
 212                 asprintf(&user, "%s%s%s",
 213                          client_domain, lp_winbind_separator(),
 214                          smb_name);
 215                 if (Get_Pwnam(user) != NULL) {
 216                         domain = client_domain;
 217                 } else {
 218                         domain = lp_workgroup();
 219                 }
 220                 free(user);
 221         } else {
 222                 domain = lp_workgroup();
 223         }
 224
 225         return make_user_info(user_info,
 226                               smb_name, internal_username,
 227                               client_domain, domain,
 228                               wksta_name,
 229                               lm_pwd, nt_pwd,
 230                               plaintext,
 231                               ntlmssp_flags, encrypted);
 232
 233 }
 234
 235 /****************************************************************************
 236  Create an auth_usersupplied_data, making the DATA_BLOBs here.
 237  Decrypt and encrypt the passwords.
 238 ****************************************************************************/
 239
 240 BOOL make_user_info_netlogon_network(auth_usersupplied_info **user_info,
 241                                      char *smb_name,
 242                                      char *client_domain,
 243                                      char *wksta_name,
 244                                      uchar *lm_network_pwd, int lm_pwd_len,
 245                                      uchar *nt_network_pwd, int nt_pwd_len)
 246 {
 247         BOOL ret;
 248         DATA_BLOB lm_blob = data_blob(lm_network_pwd, lm_pwd_len);
 249         DATA_BLOB nt_blob = data_blob(nt_network_pwd, nt_pwd_len);
 250         DATA_BLOB plaintext_blob = data_blob(NULL, 0);
 251         uint32 ntlmssp_flags = 0;
 252
 253         if (lm_pwd_len)
 254                 ntlmssp_flags |= NTLMSSP_NEGOTIATE_OEM;
 255         if (nt_pwd_len == 24) {
 256                 ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM;
 257         } else if (nt_pwd_len != 0) {
 258                 ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM2;
 259         }
 260
 261         ret = make_user_info_map(user_info,
 262                                  smb_name, client_domain,
 263                                  wksta_name,
 264                                  lm_blob, nt_blob,
 265                                  plaintext_blob,
 266                                  ntlmssp_flags, True);
 267
 268         data_blob_free(&lm_blob);
 269         data_blob_free(&nt_blob);
 270         return ret;
 271 }
 272
 273 /****************************************************************************
 274  Create an auth_usersupplied_data, making the DATA_BLOBs here.
 275  Decrypt and encrypt the passwords.
 276 ****************************************************************************/
 277
 278 BOOL make_user_info_netlogon_interactive(auth_usersupplied_info **user_info,
 279                                          const char *smb_name,
 280                                          const char *client_domain,
 281                                          const char *wksta_name,
 282                                          const uchar chal[8],
 283                                          const uchar lm_interactive_pwd[16],
 284                                          const uchar nt_interactive_pwd[16],
 285                                          const uchar *dc_sess_key)
 286 {
 287         char lm_pwd[16];
 288         char nt_pwd[16];
 289         unsigned char local_lm_response[24];
 290         unsigned char local_nt_response[24];
 291         unsigned char key[16];
 292         uint32 ntlmssp_flags = 0;
 293
 294         ZERO_STRUCT(key);
 295         memcpy(key, dc_sess_key, 8);
 296
 297         if (lm_interactive_pwd) memcpy(lm_pwd, lm_interactive_pwd, sizeof(lm_pwd));
 298         if (nt_interactive_pwd) memcpy(nt_pwd, nt_interactive_pwd, sizeof(nt_pwd));
 299
 300 #ifdef DEBUG_PASSWORD
 301         DEBUG(100,("key:"));
 302         dump_data(100, (char *)key, sizeof(key));
 303
 304         DEBUG(100,("lm owf password:"));
 305         dump_data(100, lm_pwd, sizeof(lm_pwd));
 306
 307         DEBUG(100,("nt owf password:"));
 308         dump_data(100, nt_pwd, sizeof(nt_pwd));
 309 #endif
 310
 311         SamOEMhash((uchar *)lm_pwd, key, sizeof(lm_pwd));
 312         SamOEMhash((uchar *)nt_pwd, key, sizeof(nt_pwd));
 313
 314 #ifdef DEBUG_PASSWORD
 315         DEBUG(100,("decrypt of lm owf password:"));
 316         dump_data(100, lm_pwd, sizeof(lm_pwd));
 317
 318         DEBUG(100,("decrypt of nt owf password:"));
 319         dump_data(100, nt_pwd, sizeof(nt_pwd));
 320 #endif
 321
 322         SMBOWFencrypt((const unsigned char *)lm_pwd, chal, local_lm_response);
 323         SMBOWFencrypt((const unsigned char *)nt_pwd, chal, local_nt_response);
 324
 325         /* Password info parinoia */
 326         ZERO_STRUCT(lm_pwd);
 327         ZERO_STRUCT(nt_pwd);
 328         ZERO_STRUCT(key);
 329
 330         {
 331                 BOOL ret;
 332                 DATA_BLOB local_lm_blob = data_blob(local_lm_response, sizeof(local_lm_response));
 333                 DATA_BLOB local_nt_blob = data_blob(local_nt_response, sizeof(local_nt_response));
 334                 DATA_BLOB plaintext_blob = data_blob(NULL, 0);
 335
 336                 if (lm_interactive_pwd)
 337                         ntlmssp_flags |= NTLMSSP_NEGOTIATE_OEM;
 338                 if (nt_interactive_pwd)
 339                         ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM;
 340
 341                 ret = make_user_info_map(user_info,
 342                                          smb_name, client_domain,
 343                                          wksta_name,
 344                                          local_lm_blob,
 345                                          local_nt_blob,
 346                                          plaintext_blob,
 347                                          ntlmssp_flags, True);
 348
 349                 data_blob_free(&local_lm_blob);
 350                 data_blob_free(&local_nt_blob);
 351                 return ret;
 352         }
 353 }
 354
 355
 356 /****************************************************************************
 357  Create an auth_usersupplied_data structure
 358 ****************************************************************************/
 359
 360 BOOL make_user_info_for_reply(auth_usersupplied_info **user_info,
 361                               char *smb_name,
 362                               char *client_domain,
 363                               const uint8 chal[8],
 364                               DATA_BLOB plaintext_password)
 365 {
 366
 367         DATA_BLOB local_lm_blob;
 368         DATA_BLOB local_nt_blob;
 369         BOOL ret = False;
 370         uint32 ntlmssp_flags = 0;
 371
 372         /*
 373          * Not encrypted - do so.
 374          */
 375
 376         DEBUG(5,("make_user_info_for_reply: User passwords not in encrypted format.\n"));
 377
 378         if (plaintext_password.data) {
 379                 unsigned char local_lm_response[24];
 380
 381 #ifdef DEBUG_PASSWORD
 382                 DEBUG(10,("Unencrypted password (len %d):\n",plaintext_password.length));
 383                 dump_data(100, plaintext_password.data, plaintext_password.length);
 384 #endif
 385
 386                 SMBencrypt( (const uchar *)plaintext_password.data, (const uchar*)chal, local_lm_response);
 387                 local_lm_blob = data_blob(local_lm_response, 24);
 388
 389                 /* We can't do an NT hash here, as the password needs to be
 390                    case insensitive */
 391                 local_nt_blob = data_blob(NULL, 0);
 392
 393                 ntlmssp_flags = NTLMSSP_NEGOTIATE_OEM;
 394         } else {
 395                 local_lm_blob = data_blob(NULL, 0);
 396                 local_nt_blob = data_blob(NULL, 0);
 397         }
 398
 399         ret = make_user_info_map(user_info, smb_name,
 400                                  client_domain,
 401                                  remote_machine,
 402                                  local_lm_blob,
 403                                  local_nt_blob,
 404                                  plaintext_password,
 405                                  ntlmssp_flags, False);
 406
 407         data_blob_free(&local_lm_blob);
 408         return ret;
 409 }
 410
 411 /****************************************************************************
 412  Create an auth_usersupplied_data structure
 413 ****************************************************************************/
 414
 415 BOOL make_user_info_for_reply_enc(auth_usersupplied_info **user_info,
 416                               char *smb_name,
 417                               char *client_domain,
 418                               DATA_BLOB lm_resp, DATA_BLOB nt_resp)
 419 {
 420         uint32 ntlmssp_flags = 0;
 421
 422         DATA_BLOB no_plaintext_blob = data_blob(NULL, 0);
 423
 424         if (lm_resp.length == 24) {
 425                 ntlmssp_flags |= NTLMSSP_NEGOTIATE_OEM;
 426         }
 427         if (nt_resp.length == 0) {
 428         } else if (nt_resp.length == 24) {
 429                 ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM;
 430         } else {
 431                 ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM2;
 432         }
 433
 434         return make_user_info_map(user_info, smb_name,
 435                                  client_domain,
 436                                  remote_machine,
 437                                  lm_resp,
 438                                  nt_resp,
 439                                  no_plaintext_blob,
 440                                  ntlmssp_flags, True);
 441 }
 442
 443 /****************************************************************************
 444  Create a guest user_info blob, for anonymous authenticaion.
 445 ****************************************************************************/
 446
 447 BOOL make_user_info_guest(auth_usersupplied_info **user_info)
 448 {
 449         DATA_BLOB lm_blob = data_blob(NULL, 0);
 450         DATA_BLOB nt_blob = data_blob(NULL, 0);
 451         DATA_BLOB plaintext_blob = data_blob(NULL, 0);
 452         uint32 ntlmssp_flags = 0;
 453
 454         return make_user_info(user_info,
 455                               "","",
 456                               "","",
 457                               "",
 458                               nt_blob, lm_blob,
 459                               plaintext_blob,
 460                               ntlmssp_flags, True);
 461 }
 462
 463 /***************************************************************************
 464  Make a user_info struct
 465 ***************************************************************************/
 466
 467 BOOL make_server_info(auth_serversupplied_info **server_info)
 468 {
 469         *server_info = malloc(sizeof(**server_info));
 470         if (!*server_info) {
 471                 DEBUG(0,("make_server_info: malloc failed!\n"));
 472                 return False;
 473         }
 474         ZERO_STRUCTP(*server_info);
 475         return True;
 476 }
 477
 478 /***************************************************************************
 479  Make (and fill) a user_info struct from a SAM_ACCOUNT
 480 ***************************************************************************/
 481
 482 BOOL make_server_info_sam(auth_serversupplied_info **server_info, SAM_ACCOUNT *sampass)
 483 {
 484         if (!make_server_info(server_info)) {
 485                 return False;
 486         }
 487
 488         (*server_info)->sam_fill_level = SAM_FILL_ALL;
 489         (*server_info)->sam_account = sampass;
 490
 491         DEBUG(5,("make_server_info_sam: made server info for user %s\n",
 492                  pdb_get_username((*server_info)->sam_account)));
 493         return True;
 494 }
 495
 496 /***************************************************************************
 497  Make (and fill) a user_info struct from a 'struct passwd' by conversion
 498  to a SAM_ACCOUNT
 499 ***************************************************************************/
 500
 501 BOOL make_server_info_pw(auth_serversupplied_info **server_info, const struct passwd *pwd)
 502 {
 503         SAM_ACCOUNT *sampass = NULL;
 504         if (!pdb_init_sam_pw(&sampass, pwd)) {
 505                 return False;
 506         }
 507         return make_server_info_sam(server_info, sampass);
 508 }
 509
 510 /***************************************************************************
 511  Free a user_info struct
 512 ***************************************************************************/
 513
 514 void free_user_info(auth_usersupplied_info **user_info)
 515 {
 516         DEBUG(5,("attempting to free (and zero) a user_info structure\n"));
 517         if (*user_info != NULL) {
 518                 if ((*user_info)->smb_name.str) {
 519                         DEBUG(10,("structure was created for %s\n", (*user_info)->smb_name.str));
 520                 }
 521                 SAFE_FREE((*user_info)->smb_name.str);
 522                 SAFE_FREE((*user_info)->internal_username.str);
 523                 SAFE_FREE((*user_info)->client_domain.str);
 524                 SAFE_FREE((*user_info)->domain.str);
 525                 SAFE_FREE((*user_info)->wksta_name.str);
 526                 data_blob_free(&(*user_info)->lm_resp);
 527                 data_blob_free(&(*user_info)->nt_resp);
 528                 SAFE_FREE((*user_info)->interactive_password);
 529                 data_blob_clear_free(&(*user_info)->plaintext_password);
 530                 ZERO_STRUCT(**user_info);
 531         }
 532         SAFE_FREE(*user_info);
 533 }
 534
 535 /***************************************************************************
 536  Clear out a server_info struct that has been allocated
 537 ***************************************************************************/
 538
 539 void free_server_info(auth_serversupplied_info **server_info)
 540 {
 541         if (*server_info != NULL) {
 542                 pdb_free_sam(&(*server_info)->sam_account);
 543
 544                 /* call pam_end here, unless we know we are keeping it */
 545                 delete_nt_token( &(*server_info)->ptok );
 546                 ZERO_STRUCT(**server_info);
 547         }
 548         SAFE_FREE(*server_info);
 549 }
 550
 551 /***************************************************************************
 552  Make a server_info struct for a guest user
 553 ***************************************************************************/
 554
 555 BOOL make_server_info_guest(auth_serversupplied_info **server_info)
 556 {
 557         struct passwd *pass = sys_getpwnam(lp_guestaccount());
 558
 559         if (pass) {
 560                 if (!make_server_info_pw(server_info, pass)) {
 561                         return False;
 562                 }
 563                 (*server_info)->guest = True;
 564                 return True;
 565         }
 566         DEBUG(0,("make_server_info_guest: sys_getpwnam() failed on guest account!\n"));
 567         return False;
 568 }
 569
 570 /***************************************************************************
 571  Make an auth_methods struct
 572 ***************************************************************************/
 573
 574 BOOL make_auth_methods(struct auth_context *auth_context, auth_methods **auth_method)
 575 {
 576         if (!auth_context) {
 577                 smb_panic("no auth_context supplied to make_auth_methods()!\n");
 578         }
 579
 580         if (!auth_method) {
 581                 smb_panic("make_auth_methods: pointer to auth_method pointer is NULL!\n");
 582         }
 583
 584         *auth_method = talloc(auth_context->mem_ctx, sizeof(**auth_method));
 585         if (!*auth_method) {
 586                 DEBUG(0,("make_auth_method: malloc failed!\n"));
 587                 return False;
 588         }
 589         ZERO_STRUCTP(*auth_method);
 590
 591         return True;
 592 }
 593
 594 /****************************************************************************
 595  Delete a SID token.
 596 ****************************************************************************/
 597
 598 void delete_nt_token(NT_USER_TOKEN **pptoken)
 599 {
 600     if (*pptoken) {
 601                 NT_USER_TOKEN *ptoken = *pptoken;
 602         SAFE_FREE( ptoken->user_sids );
 603         ZERO_STRUCTP(ptoken);
 604     }
 605     SAFE_FREE(*pptoken);
 606 }
 607
 608 /****************************************************************************
 609  Duplicate a SID token.
 610 ****************************************************************************/
 611
 612 NT_USER_TOKEN *dup_nt_token(NT_USER_TOKEN *ptoken)
 613 {
 614         NT_USER_TOKEN *token;
 615
 616         if (!ptoken)
 617                 return NULL;
 618
 619     if ((token = (NT_USER_TOKEN *)malloc( sizeof(NT_USER_TOKEN) ) ) == NULL)
 620         return NULL;
 621
 622     ZERO_STRUCTP(token);
 623
 624     if ((token->user_sids = (DOM_SID *)memdup( ptoken->user_sids, sizeof(DOM_SID) * ptoken->num_sids )) == NULL) {
 625         SAFE_FREE(token);
 626         return NULL;
 627     }
 628
 629     token->num_sids = ptoken->num_sids;
 630
 631         return token;
 632 }
 633
 634 /**
 635  * Squash an NT_STATUS in line with security requirements.
 636  * In an attempt to avoid giving the whole game away when users
 637  * are authenticating, NT replaces both NT_STATUS_NO_SUCH_USER and
 638  * NT_STATUS_WRONG_PASSWORD with NT_STATUS_LOGON_FAILURE in certain situations
 639  * (session setups in particular).
 640  *
 641  * @param nt_status NTSTATUS input for squashing.
 642  * @return the 'squashed' nt_status
 643  **/
 644
 645 NTSTATUS nt_status_squash(NTSTATUS nt_status)
 646 {
 647         if NT_STATUS_IS_OK(nt_status) {
 648                 return nt_status;
 649         } else if NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER) {
 650                 /* Match WinXP and don't give the game away */
 651                 return NT_STATUS_LOGON_FAILURE;
 652
 653         } else if NT_STATUS_EQUAL(nt_status, NT_STATUS_WRONG_PASSWORD) {
 654                 /* Match WinXP and don't give the game away */
 655                 return NT_STATUS_LOGON_FAILURE;
 656         } else {
 657                 return nt_status;
 658         }
 659 }
 660
 661
 662