source3/auth/auth_util.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Authentication utility functions
   4    Copyright (C) Andrew Tridgell 1992-1998
   5    Copyright (C) Andrew Bartlett 2001
   6    Copyright (C) Jeremy Allison 2000-2001
   7    Copyright (C) Rafal Szczesniak 2002
   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 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_AUTH
  28
  29 extern DOM_SID global_sid_World;
  30 extern DOM_SID global_sid_Network;
  31 extern DOM_SID global_sid_Builtin_Guests;
  32 extern DOM_SID global_sid_Authenticated_Users;
  33
  34
  35 /****************************************************************************
  36  Create a UNIX user on demand.
  37 ****************************************************************************/
  38
  39 static int smb_create_user(const char *unix_user, const char *homedir)
  40 {
  41         pstring add_script;
  42         int ret;
  43
  44         pstrcpy(add_script, lp_adduser_script());
  45         if (! *add_script)
  46                 return -1;
  47         all_string_sub(add_script, "%u", unix_user, sizeof(pstring));
  48         if (homedir)
  49                 all_string_sub(add_script, "%H", homedir, sizeof(pstring));
  50         ret = smbrun(add_script,NULL);
  51         DEBUG(3,("smb_create_user: Running the command `%s' gave %d\n",add_script,ret));
  52         return ret;
  53 }
  54
  55 /****************************************************************************
  56  Add and Delete UNIX users on demand, based on NTSTATUS codes.
  57 ****************************************************************************/
  58
  59 void smb_user_control(const auth_usersupplied_info *user_info, auth_serversupplied_info *server_info, NTSTATUS nt_status)
  60 {
  61         struct passwd *pwd=NULL;
  62
  63         if (NT_STATUS_IS_OK(nt_status)) {
  64
  65                 if (!(server_info->sam_fill_level & SAM_FILL_UNIX)) {
  66
  67                         /*
  68                          * User validated ok against Domain controller.
  69                          * If the admin wants us to try and create a UNIX
  70                          * user on the fly, do so.
  71                          */
  72
  73                         if(lp_adduser_script() && !(pwd = Get_Pwnam(user_info->internal_username.str))) {
  74                                 smb_create_user(user_info->internal_username.str, NULL);
  75                         }
  76                 }
  77         }
  78 }
  79
  80 /****************************************************************************
  81  Create a SAM_ACCOUNT - either by looking in the pdb, or by faking it up from
  82  unix info.
  83 ****************************************************************************/
  84
  85 NTSTATUS auth_get_sam_account(const char *user, SAM_ACCOUNT **account)
  86 {
  87         BOOL pdb_ret;
  88         NTSTATUS nt_status;
  89         if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(account))) {
  90                 return nt_status;
  91         }
  92
  93         become_root();
  94         pdb_ret = pdb_getsampwnam(*account, user);
  95         unbecome_root();
  96
  97         if (!pdb_ret) {
  98
  99                 struct passwd *pass = Get_Pwnam(user);
 100                 if (!pass)
 101                         return NT_STATUS_NO_SUCH_USER;
 102
 103                 if (!NT_STATUS_IS_OK(nt_status = pdb_fill_sam_pw(*account, pass))) {
 104                         return nt_status;
 105                 }
 106         }
 107         return NT_STATUS_OK;
 108 }
 109
 110 /****************************************************************************
 111  Create an auth_usersupplied_data structure
 112 ****************************************************************************/
 113
 114 static NTSTATUS make_user_info(auth_usersupplied_info **user_info,
 115                                const char *smb_name,
 116                                const char *internal_username,
 117                                const char *client_domain,
 118                                const char *domain,
 119                                const char *wksta_name,
 120                                DATA_BLOB lm_pwd, DATA_BLOB nt_pwd,
 121                                DATA_BLOB plaintext,
 122                                uint32 auth_flags, BOOL encrypted)
 123 {
 124
 125         DEBUG(5,("attempting to make a user_info for %s (%s)\n", internal_username, smb_name));
 126
 127         *user_info = malloc(sizeof(**user_info));
 128         if (!user_info) {
 129                 DEBUG(0,("malloc failed for user_info (size %d)\n", sizeof(*user_info)));
 130                 return NT_STATUS_NO_MEMORY;
 131         }
 132
 133         ZERO_STRUCTP(*user_info);
 134
 135         DEBUG(5,("making strings for %s's user_info struct\n", internal_username));
 136
 137         (*user_info)->smb_name.str = strdup(smb_name);
 138         if ((*user_info)->smb_name.str) {
 139                 (*user_info)->smb_name.len = strlen(smb_name);
 140         } else {
 141                 free_user_info(user_info);
 142                 return NT_STATUS_NO_MEMORY;
 143         }
 144
 145         (*user_info)->internal_username.str = strdup(internal_username);
 146         if ((*user_info)->internal_username.str) {
 147                 (*user_info)->internal_username.len = strlen(internal_username);
 148         } else {
 149                 free_user_info(user_info);
 150                 return NT_STATUS_NO_MEMORY;
 151         }
 152
 153         (*user_info)->domain.str = strdup(domain);
 154         if ((*user_info)->domain.str) {
 155                 (*user_info)->domain.len = strlen(domain);
 156         } else {
 157                 free_user_info(user_info);
 158                 return NT_STATUS_NO_MEMORY;
 159         }
 160
 161         (*user_info)->client_domain.str = strdup(client_domain);
 162         if ((*user_info)->client_domain.str) {
 163                 (*user_info)->client_domain.len = strlen(client_domain);
 164         } else {
 165                 free_user_info(user_info);
 166                 return NT_STATUS_NO_MEMORY;
 167         }
 168
 169         (*user_info)->wksta_name.str = strdup(wksta_name);
 170         if ((*user_info)->wksta_name.str) {
 171                 (*user_info)->wksta_name.len = strlen(wksta_name);
 172         } else {
 173                 free_user_info(user_info);
 174                 return NT_STATUS_NO_MEMORY;
 175         }
 176
 177         DEBUG(5,("making blobs for %s's user_info struct\n", internal_username));
 178
 179         (*user_info)->lm_resp = data_blob(lm_pwd.data, lm_pwd.length);
 180         (*user_info)->nt_resp = data_blob(nt_pwd.data, nt_pwd.length);
 181         (*user_info)->plaintext_password = data_blob(plaintext.data, plaintext.length);
 182
 183         (*user_info)->encrypted = encrypted;
 184         (*user_info)->auth_flags = auth_flags;
 185
 186         DEBUG(10,("made an %sencrypted user_info for %s (%s)\n", encrypted ? "":"un" , internal_username, smb_name));
 187
 188         return NT_STATUS_OK;
 189 }
 190
 191 /****************************************************************************
 192  Create an auth_usersupplied_data structure after appropriate mapping.
 193 ****************************************************************************/
 194
 195 NTSTATUS make_user_info_map(auth_usersupplied_info **user_info,
 196                             const char *smb_name,
 197                             const char *client_domain,
 198                             const char *wksta_name,
 199                             DATA_BLOB lm_pwd, DATA_BLOB nt_pwd,
 200                             DATA_BLOB plaintext,
 201                             uint32 ntlmssp_flags, BOOL encrypted)
 202 {
 203         const char *domain;
 204         fstring internal_username;
 205         fstrcpy(internal_username, smb_name);
 206         map_username(internal_username);
 207
 208         DEBUG(5, ("make_user_info_map: Mapping user [%s]\\[%s] from workstation [%s]\n",
 209               client_domain, smb_name, wksta_name));
 210
 211         if (lp_allow_trusted_domains() && *client_domain) {
 212
 213                 /* the client could have given us a workstation name
 214                    or other crap for the workgroup - we really need a
 215                    way of telling if this domain name is one of our
 216                    trusted domain names
 217
 218                    Also don't allow "" as a domain, fixes a Win9X bug
 219                    where it doens't supply a domain for logon script
 220                    'net use' commands.
 221
 222                    The way I do it here is by checking if the fully
 223                    qualified username exists. This is rather reliant
 224                    on winbind, but until we have a better method this
 225                    will have to do
 226                 */
 227
 228                 domain = client_domain;
 229
 230                 if ((smb_name) && (*smb_name)) { /* Don't do this for guests */
 231                         char *user = NULL;
 232                         if (asprintf(&user, "%s%s%s",
 233                                  client_domain, lp_winbind_separator(),
 234                                  smb_name) < 0) {
 235                                 DEBUG(0, ("make_user_info_map: asprintf() failed!\n"));
 236                                 return NT_STATUS_NO_MEMORY;
 237                         }
 238
 239                         DEBUG(5, ("make_user_info_map: testing for user %s\n", user));
 240
 241                         if (Get_Pwnam(user) == NULL) {
 242                                 DEBUG(5, ("make_user_info_map: test for user %s failed\n", user));
 243                                 domain = lp_workgroup();
 244                                 DEBUG(5, ("make_user_info_map: trusted domain %s doesn't appear to exist, using %s\n",
 245                                           client_domain, domain));
 246                         } else {
 247                                 DEBUG(5, ("make_user_info_map: using trusted domain %s\n", domain));
 248                         }
 249                         SAFE_FREE(user);
 250                 }
 251         } else {
 252                 domain = lp_workgroup();
 253         }
 254
 255         return make_user_info(user_info,
 256                               smb_name, internal_username,
 257                               client_domain, domain,
 258                               wksta_name,
 259                               lm_pwd, nt_pwd,
 260                               plaintext,
 261                               ntlmssp_flags, encrypted);
 262
 263 }
 264
 265 /****************************************************************************
 266  Create an auth_usersupplied_data, making the DATA_BLOBs here.
 267  Decrypt and encrypt the passwords.
 268 ****************************************************************************/
 269
 270 BOOL make_user_info_netlogon_network(auth_usersupplied_info **user_info,
 271                                      const char *smb_name,
 272                                      const char *client_domain,
 273                                      const char *wksta_name,
 274                                      const uchar *lm_network_pwd, int lm_pwd_len,
 275                                      const uchar *nt_network_pwd, int nt_pwd_len)
 276 {
 277         BOOL ret;
 278         NTSTATUS nt_status;
 279         DATA_BLOB lm_blob = data_blob(lm_network_pwd, lm_pwd_len);
 280         DATA_BLOB nt_blob = data_blob(nt_network_pwd, nt_pwd_len);
 281         DATA_BLOB plaintext_blob = data_blob(NULL, 0);
 282         uint32 auth_flags = AUTH_FLAG_NONE;
 283
 284         if (lm_pwd_len)
 285                 auth_flags |= AUTH_FLAG_LM_RESP;
 286         if (nt_pwd_len == 24) {
 287                 auth_flags |= AUTH_FLAG_NTLM_RESP;
 288         } else if (nt_pwd_len != 0) {
 289                 auth_flags |= AUTH_FLAG_NTLMv2_RESP;
 290         }
 291
 292         nt_status = make_user_info_map(user_info,
 293                                       smb_name, client_domain,
 294                                   wksta_name,
 295                                       lm_blob, nt_blob,
 296                                       plaintext_blob,
 297                                       auth_flags, True);
 298
 299         ret = NT_STATUS_IS_OK(nt_status) ? True : False;
 300
 301         data_blob_free(&lm_blob);
 302         data_blob_free(&nt_blob);
 303         return ret;
 304 }
 305
 306 /****************************************************************************
 307  Create an auth_usersupplied_data, making the DATA_BLOBs here.
 308  Decrypt and encrypt the passwords.
 309 ****************************************************************************/
 310
 311 BOOL make_user_info_netlogon_interactive(auth_usersupplied_info **user_info,
 312                                          const char *smb_name,
 313                                          const char *client_domain,
 314                                          const char *wksta_name,
 315                                          const uchar chal[8],
 316                                          const uchar lm_interactive_pwd[16],
 317                                          const uchar nt_interactive_pwd[16],
 318                                          const uchar *dc_sess_key)
 319 {
 320         char lm_pwd[16];
 321         char nt_pwd[16];
 322         unsigned char local_lm_response[24];
 323         unsigned char local_nt_response[24];
 324         unsigned char key[16];
 325         uint32 auth_flags = AUTH_FLAG_NONE;
 326
 327         ZERO_STRUCT(key);
 328         memcpy(key, dc_sess_key, 8);
 329
 330         if (lm_interactive_pwd) memcpy(lm_pwd, lm_interactive_pwd, sizeof(lm_pwd));
 331         if (nt_interactive_pwd) memcpy(nt_pwd, nt_interactive_pwd, sizeof(nt_pwd));
 332
 333 #ifdef DEBUG_PASSWORD
 334         DEBUG(100,("key:"));
 335         dump_data(100, (char *)key, sizeof(key));
 336
 337         DEBUG(100,("lm owf password:"));
 338         dump_data(100, lm_pwd, sizeof(lm_pwd));
 339
 340         DEBUG(100,("nt owf password:"));
 341         dump_data(100, nt_pwd, sizeof(nt_pwd));
 342 #endif
 343
 344         SamOEMhash((uchar *)lm_pwd, key, sizeof(lm_pwd));
 345         SamOEMhash((uchar *)nt_pwd, key, sizeof(nt_pwd));
 346
 347 #ifdef DEBUG_PASSWORD
 348         DEBUG(100,("decrypt of lm owf password:"));
 349         dump_data(100, lm_pwd, sizeof(lm_pwd));
 350
 351         DEBUG(100,("decrypt of nt owf password:"));
 352         dump_data(100, nt_pwd, sizeof(nt_pwd));
 353 #endif
 354
 355         SMBOWFencrypt((const unsigned char *)lm_pwd, chal, local_lm_response);
 356         SMBOWFencrypt((const unsigned char *)nt_pwd, chal, local_nt_response);
 357
 358         /* Password info paranoia */
 359         ZERO_STRUCT(lm_pwd);
 360         ZERO_STRUCT(nt_pwd);
 361         ZERO_STRUCT(key);
 362
 363         {
 364                 BOOL ret;
 365                 NTSTATUS nt_status;
 366                 DATA_BLOB local_lm_blob = data_blob(local_lm_response, sizeof(local_lm_response));
 367                 DATA_BLOB local_nt_blob = data_blob(local_nt_response, sizeof(local_nt_response));
 368                 DATA_BLOB plaintext_blob = data_blob(NULL, 0);
 369
 370                 if (lm_interactive_pwd)
 371                         auth_flags |= AUTH_FLAG_LM_RESP;
 372                 if (nt_interactive_pwd)
 373                         auth_flags |= AUTH_FLAG_NTLM_RESP;
 374
 375                 nt_status = make_user_info_map(user_info,
 376                                                smb_name, client_domain,
 377                                                wksta_name,
 378                                                local_lm_blob,
 379                                                local_nt_blob,
 380                                                plaintext_blob,
 381                                                auth_flags, True);
 382
 383                 ret = NT_STATUS_IS_OK(nt_status) ? True : False;
 384                 data_blob_free(&local_lm_blob);
 385                 data_blob_free(&local_nt_blob);
 386                 return ret;
 387         }
 388 }
 389
 390
 391 /****************************************************************************
 392  Create an auth_usersupplied_data structure
 393 ****************************************************************************/
 394
 395 BOOL make_user_info_for_reply(auth_usersupplied_info **user_info,
 396                               const char *smb_name,
 397                               const char *client_domain,
 398                               const uint8 chal[8],
 399                               DATA_BLOB plaintext_password)
 400 {
 401
 402         DATA_BLOB local_lm_blob;
 403         DATA_BLOB local_nt_blob;
 404         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
 405         uint32 auth_flags = AUTH_FLAG_NONE;
 406
 407         /*
 408          * Not encrypted - do so.
 409          */
 410
 411         DEBUG(5,("make_user_info_for_reply: User passwords not in encrypted format.\n"));
 412
 413         if (plaintext_password.data) {
 414                 unsigned char local_lm_response[24];
 415
 416 #ifdef DEBUG_PASSWORD
 417                 DEBUG(10,("Unencrypted password (len %d):\n",plaintext_password.length));
 418                 dump_data(100, plaintext_password.data, plaintext_password.length);
 419 #endif
 420
 421                 SMBencrypt( (const uchar *)plaintext_password.data, (const uchar*)chal, local_lm_response);
 422                 local_lm_blob = data_blob(local_lm_response, 24);
 423
 424                 /* We can't do an NT hash here, as the password needs to be
 425                    case insensitive */
 426                 local_nt_blob = data_blob(NULL, 0);
 427
 428                 auth_flags = (AUTH_FLAG_PLAINTEXT | AUTH_FLAG_LM_RESP);
 429         } else {
 430                 local_lm_blob = data_blob(NULL, 0);
 431                 local_nt_blob = data_blob(NULL, 0);
 432         }
 433
 434         ret = make_user_info_map(user_info, smb_name,
 435                                  client_domain,
 436                                  get_remote_machine_name(),
 437                                  local_lm_blob,
 438                                  local_nt_blob,
 439                                  plaintext_password,
 440                                  auth_flags, False);
 441
 442         data_blob_free(&local_lm_blob);
 443         return NT_STATUS_IS_OK(ret) ? True : False;
 444 }
 445
 446 /****************************************************************************
 447  Create an auth_usersupplied_data structure
 448 ****************************************************************************/
 449
 450 NTSTATUS make_user_info_for_reply_enc(auth_usersupplied_info **user_info,
 451                                       const char *smb_name,
 452                                       const char *client_domain,
 453                                       DATA_BLOB lm_resp, DATA_BLOB nt_resp)
 454 {
 455         uint32 auth_flags = AUTH_FLAG_NONE;
 456
 457         DATA_BLOB no_plaintext_blob = data_blob(NULL, 0);
 458
 459         if (lm_resp.length == 24) {
 460                 auth_flags |= AUTH_FLAG_LM_RESP;
 461         }
 462         if (nt_resp.length == 0) {
 463         } else if (nt_resp.length == 24) {
 464                 auth_flags |= AUTH_FLAG_NTLM_RESP;
 465         } else {
 466                 auth_flags |= AUTH_FLAG_NTLMv2_RESP;
 467         }
 468
 469         return make_user_info_map(user_info, smb_name,
 470                                  client_domain,
 471                                  get_remote_machine_name(),
 472                                  lm_resp,
 473                                  nt_resp,
 474                                  no_plaintext_blob,
 475                                  auth_flags, True);
 476 }
 477
 478 /****************************************************************************
 479  Create a guest user_info blob, for anonymous authenticaion.
 480 ****************************************************************************/
 481
 482 BOOL make_user_info_guest(auth_usersupplied_info **user_info)
 483 {
 484         DATA_BLOB lm_blob = data_blob(NULL, 0);
 485         DATA_BLOB nt_blob = data_blob(NULL, 0);
 486         DATA_BLOB plaintext_blob = data_blob(NULL, 0);
 487         uint32 auth_flags = AUTH_FLAG_NONE;
 488         NTSTATUS nt_status;
 489
 490         nt_status = make_user_info(user_info,
 491                               "","",
 492                               "","",
 493                               "",
 494                               nt_blob, lm_blob,
 495                               plaintext_blob,
 496                               auth_flags, True);
 497
 498         return NT_STATUS_IS_OK(nt_status) ? True : False;
 499 }
 500
 501 /****************************************************************************
 502  prints a NT_USER_TOKEN to debug output.
 503 ****************************************************************************/
 504
 505 void debug_nt_user_token(int dbg_class, int dbg_lev, NT_USER_TOKEN *token)
 506 {
 507         fstring sid_str;
 508         size_t     i;
 509
 510         if (!token) {
 511                 DEBUGC(dbg_class, dbg_lev, ("NT user token: (NULL)\n"));
 512                 return;
 513         }
 514
 515         DEBUGC(dbg_class, dbg_lev, ("NT user token of user %s\n",
 516                                     sid_to_string(sid_str, &token->user_sids[0]) ));
 517         DEBUGADDC(dbg_class, dbg_lev, ("contains %i SIDs\n", token->num_sids));
 518         for (i = 0; i < token->num_sids; i++)
 519                 DEBUGADDC(dbg_class, dbg_lev, ("SID[%3i]: %s\n", i,
 520                                                sid_to_string(sid_str, &token->user_sids[i])));
 521 }
 522
 523 /****************************************************************************
 524  prints a UNIX 'token' to debug output.
 525 ****************************************************************************/
 526
 527 void debug_unix_user_token(int dbg_class, int dbg_lev, uid_t uid, gid_t gid, int n_groups, gid_t *groups)
 528 {
 529         int     i;
 530         DEBUGC(dbg_class, dbg_lev, ("UNIX token of user %ld\n", (long int)uid));
 531
 532         DEBUGADDC(dbg_class, dbg_lev, ("Primary group is %ld and contains %i supplementary groups\n", (long int)gid, n_groups));
 533         for (i = 0; i < n_groups; i++)
 534                 DEBUGADDC(dbg_class, dbg_lev, ("Group[%3i]: %ld\n", i,
 535                         (long int)groups[i]));
 536 }
 537
 538 /****************************************************************************
 539  Create the SID list for this user.
 540 ****************************************************************************/
 541
 542 static NTSTATUS create_nt_user_token(const DOM_SID *user_sid, const DOM_SID *group_sid,
 543                                      int n_groupSIDs, DOM_SID *groupSIDs,
 544                                      BOOL is_guest, NT_USER_TOKEN **token)
 545 {
 546         NTSTATUS       nt_status = NT_STATUS_OK;
 547         NT_USER_TOKEN *ptoken;
 548         int i;
 549         int sid_ndx;
 550
 551         if ((ptoken = malloc( sizeof(NT_USER_TOKEN) ) ) == NULL) {
 552                 DEBUG(0, ("create_nt_token: Out of memory allocating token\n"));
 553                 nt_status = NT_STATUS_NO_MEMORY;
 554                 return nt_status;
 555         }
 556
 557         ZERO_STRUCTP(ptoken);
 558
 559         ptoken->num_sids = n_groupSIDs + 5;
 560
 561         if ((ptoken->user_sids = (DOM_SID *)malloc( sizeof(DOM_SID) * ptoken->num_sids )) == NULL) {
 562                 DEBUG(0, ("create_nt_token: Out of memory allocating SIDs\n"));
 563                 nt_status = NT_STATUS_NO_MEMORY;
 564                 return nt_status;
 565         }
 566
 567         memset((char*)ptoken->user_sids,0,sizeof(DOM_SID) * ptoken->num_sids);
 568
 569         /*
 570          * Note - user SID *MUST* be first in token !
 571          * se_access_check depends on this.
 572          *
 573          * Primary group SID is second in token. Convention.
 574          */
 575
 576         sid_copy(&ptoken->user_sids[PRIMARY_USER_SID_INDEX], user_sid);
 577         if (group_sid)
 578                 sid_copy(&ptoken->user_sids[PRIMARY_GROUP_SID_INDEX], group_sid);
 579
 580         /*
 581          * Finally add the "standard" SIDs.
 582          * The only difference between guest and "anonymous" (which we
 583          * don't really support) is the addition of Authenticated_Users.
 584          */
 585
 586         sid_copy(&ptoken->user_sids[2], &global_sid_World);
 587         sid_copy(&ptoken->user_sids[3], &global_sid_Network);
 588
 589         if (is_guest)
 590                 sid_copy(&ptoken->user_sids[4], &global_sid_Builtin_Guests);
 591         else
 592                 sid_copy(&ptoken->user_sids[4], &global_sid_Authenticated_Users);
 593
 594         sid_ndx = 5; /* next available spot */
 595
 596         for (i = 0; i < n_groupSIDs; i++) {
 597                 size_t check_sid_idx;
 598                 for (check_sid_idx = 1; check_sid_idx < ptoken->num_sids; check_sid_idx++) {
 599                         if (sid_equal(&ptoken->user_sids[check_sid_idx],
 600                                       &groupSIDs[i])) {
 601                                 break;
 602                         }
 603                 }
 604
 605                 if (check_sid_idx >= ptoken->num_sids) /* Not found already */ {
 606                         sid_copy(&ptoken->user_sids[sid_ndx++], &groupSIDs[i]);
 607                 } else {
 608                         ptoken->num_sids--;
 609                 }
 610         }
 611
 612         debug_nt_user_token(DBGC_AUTH, 10, ptoken);
 613
 614         *token = ptoken;
 615
 616         return nt_status;
 617 }
 618
 619 /****************************************************************************
 620  Create the SID list for this user.
 621 ****************************************************************************/
 622
 623 NT_USER_TOKEN *create_nt_token(uid_t uid, gid_t gid, int ngroups, gid_t *groups, BOOL is_guest)
 624 {
 625         DOM_SID user_sid;
 626         DOM_SID group_sid;
 627         DOM_SID *group_sids;
 628         NT_USER_TOKEN *token;
 629         int i;
 630
 631         if (!uid_to_sid(&user_sid, uid)) {
 632                 return NULL;
 633         }
 634         if (!gid_to_sid(&group_sid, gid)) {
 635                 return NULL;
 636         }
 637
 638         group_sids   = malloc(sizeof(DOM_SID) * ngroups);
 639         if (!group_sids) {
 640                 DEBUG(0, ("create_nt_token: malloc() failed for DOM_SID list!\n"));
 641                 return NULL;
 642         }
 643
 644         for (i = 0; i < ngroups; i++) {
 645                 if (!gid_to_sid(&(group_sids)[i], (groups)[i])) {
 646                         DEBUG(1, ("create_nt_token: failed to convert gid %ld to a sid!\n", (long int)groups[i]));
 647                         SAFE_FREE(group_sids);
 648                         return NULL;
 649                 }
 650         }
 651
 652         if (!NT_STATUS_IS_OK(create_nt_user_token(&user_sid, &group_sid,
 653                                                   ngroups, group_sids, is_guest, &token))) {
 654                 SAFE_FREE(group_sids);
 655                 return NULL;
 656         }
 657
 658         SAFE_FREE(group_sids);
 659
 660         return token;
 661 }
 662
 663 /******************************************************************************
 664  * this function returns the groups (SIDs) of the local SAM the user is in.
 665  * If this samba server is a DC of the domain the user belongs to, it returns
 666  * both domain groups and local / builtin groups. If the user is in a trusted
 667  * domain, or samba is a member server of a domain, then this function returns
 668  * local and builtin groups the user is a member of.
 669  *
 670  * currently this is a hack, as there is no sam implementation that is capable
 671  * of groups.
 672  ******************************************************************************/
 673
 674 static NTSTATUS get_user_groups_from_local_sam(SAM_ACCOUNT *sampass,
 675                                                int *n_groups, DOM_SID **groups, gid_t **unix_groups)
 676 {
 677         uid_t             uid;
 678         gid_t             gid;
 679         int               n_unix_groups;
 680         int               i;
 681         struct passwd    *usr;
 682
 683         *n_groups = 0;
 684         *groups   = NULL;
 685
 686         if (!IS_SAM_UNIX_USER(sampass)) {
 687                 DEBUG(1, ("user %s does not have a unix identity!\n", pdb_get_username(sampass)));
 688                 return NT_STATUS_NO_SUCH_USER;
 689         }
 690
 691         uid = pdb_get_uid(sampass);
 692         gid = pdb_get_gid(sampass);
 693
 694         n_unix_groups = groups_max();
 695         if ((*unix_groups = malloc( sizeof(gid_t) * n_unix_groups ) ) == NULL) {
 696                 DEBUG(0, ("get_user_groups_from_local_sam: Out of memory allocating unix group list\n"));
 697                 passwd_free(&usr);
 698                 return NT_STATUS_NO_MEMORY;
 699         }
 700
 701         if (sys_getgrouplist(pdb_get_username(sampass), gid, *unix_groups, &n_unix_groups) == -1) {
 702                 gid_t *groups_tmp;
 703                 groups_tmp = Realloc(*unix_groups, sizeof(gid_t) * n_unix_groups);
 704                 if (!groups_tmp) {
 705                         SAFE_FREE(*unix_groups);
 706                         passwd_free(&usr);
 707                         return NT_STATUS_NO_MEMORY;
 708                 }
 709                 *unix_groups = groups_tmp;
 710
 711                 if (sys_getgrouplist(pdb_get_username(sampass), gid, *unix_groups, &n_unix_groups) == -1) {
 712                         DEBUG(0, ("get_user_groups_from_local_sam: failed to get the unix group list\n"));
 713                         SAFE_FREE(*unix_groups);
 714                         passwd_free(&usr);
 715                         return NT_STATUS_NO_SUCH_USER; /* what should this return value be? */
 716                 }
 717         }
 718
 719         debug_unix_user_token(DBGC_CLASS, 5, uid, gid, n_unix_groups, *unix_groups);
 720
 721         if (n_unix_groups > 0) {
 722                 *groups   = malloc(sizeof(DOM_SID) * n_unix_groups);
 723                 if (!*groups) {
 724                         DEBUG(0, ("get_user_group_from_local_sam: malloc() failed for DOM_SID list!\n"));
 725                         SAFE_FREE(*unix_groups);
 726                         return NT_STATUS_NO_MEMORY;
 727                 }
 728         }
 729
 730         *n_groups = n_unix_groups;
 731
 732         for (i = 0; i < *n_groups; i++) {
 733                 if (!gid_to_sid(&(*groups)[i], (*unix_groups)[i])) {
 734                         DEBUG(1, ("get_user_groups_from_local_sam: failed to convert gid %ld to a sid!\n", (long int)(*unix_groups)[i+1]));
 735                         SAFE_FREE(*groups);
 736                         SAFE_FREE(*unix_groups);
 737                         return NT_STATUS_NO_SUCH_USER;
 738                 }
 739         }
 740
 741         return NT_STATUS_OK;
 742 }
 743
 744 /***************************************************************************
 745  Make a user_info struct
 746 ***************************************************************************/
 747
 748 static NTSTATUS make_server_info(auth_serversupplied_info **server_info, SAM_ACCOUNT *sampass)
 749 {
 750         *server_info = malloc(sizeof(**server_info));
 751         if (!*server_info) {
 752                 DEBUG(0,("make_server_info: malloc failed!\n"));
 753                 return NT_STATUS_NO_MEMORY;
 754         }
 755         ZERO_STRUCTP(*server_info);
 756
 757         (*server_info)->sam_fill_level = SAM_FILL_ALL;
 758         (*server_info)->sam_account    = sampass;
 759
 760         return NT_STATUS_OK;
 761 }
 762
 763 /***************************************************************************
 764  Make (and fill) a user_info struct from a SAM_ACCOUNT
 765 ***************************************************************************/
 766
 767 NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info,
 768                               SAM_ACCOUNT *sampass)
 769 {
 770         NTSTATUS nt_status = NT_STATUS_OK;
 771         const DOM_SID *user_sid = pdb_get_user_sid(sampass);
 772         const DOM_SID *group_sid = pdb_get_group_sid(sampass);
 773         int       n_groupSIDs = 0;
 774         DOM_SID  *groupSIDs   = NULL;
 775         gid_t    *unix_groups = NULL;
 776         NT_USER_TOKEN *token;
 777         BOOL is_guest;
 778         uint32 rid;
 779
 780         if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info, sampass))) {
 781                 return nt_status;
 782         }
 783
 784         if (!NT_STATUS_IS_OK(nt_status
 785                              = get_user_groups_from_local_sam(sampass,
 786                 &n_groupSIDs, &groupSIDs, &unix_groups)))
 787         {
 788                 DEBUG(4,("get_user_groups_from_local_sam failed\n"));
 789                 free_server_info(server_info);
 790                 return nt_status;
 791         }
 792
 793         is_guest = (sid_peek_rid(user_sid, &rid) && rid == DOMAIN_USER_RID_GUEST);
 794
 795         if (!NT_STATUS_IS_OK(nt_status = create_nt_user_token(user_sid, group_sid,
 796                                                               n_groupSIDs, groupSIDs, is_guest,
 797                                                               &token)))
 798         {
 799                 DEBUG(4,("create_nt_user_token failed\n"));
 800                 SAFE_FREE(groupSIDs);
 801                 SAFE_FREE(unix_groups);
 802                 free_server_info(server_info);
 803                 return nt_status;
 804         }
 805
 806         SAFE_FREE(groupSIDs);
 807
 808         (*server_info)->n_groups = n_groupSIDs;
 809         (*server_info)->groups = unix_groups;
 810
 811         (*server_info)->ptok = token;
 812
 813         DEBUG(5,("make_server_info_sam: made server info for user %s\n",
 814                  pdb_get_username((*server_info)->sam_account)));
 815
 816         return nt_status;
 817 }
 818
 819 /***************************************************************************
 820  Make (and fill) a user_info struct from a 'struct passwd' by conversion
 821  to a SAM_ACCOUNT
 822 ***************************************************************************/
 823
 824 NTSTATUS make_server_info_pw(auth_serversupplied_info **server_info, const struct passwd *pwd)
 825 {
 826         NTSTATUS nt_status;
 827         SAM_ACCOUNT *sampass = NULL;
 828         if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(&sampass, pwd))) {
 829                 return nt_status;
 830         }
 831         return make_server_info_sam(server_info, sampass);
 832 }
 833
 834 /***************************************************************************
 835  Make (and fill) a user_info struct for a guest login.
 836 ***************************************************************************/
 837
 838 NTSTATUS make_server_info_guest(auth_serversupplied_info **server_info)
 839 {
 840         NTSTATUS nt_status;
 841         SAM_ACCOUNT *sampass = NULL;
 842         DOM_SID guest_sid;
 843
 844         if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(&sampass))) {
 845                 return nt_status;
 846         }
 847
 848         sid_copy(&guest_sid, get_global_sam_sid());
 849         sid_append_rid(&guest_sid, DOMAIN_USER_RID_GUEST);
 850
 851         become_root();
 852         if (!pdb_getsampwsid(sampass, &guest_sid)) {
 853                 unbecome_root();
 854                 return NT_STATUS_NO_SUCH_USER;
 855         }
 856         unbecome_root();
 857
 858         nt_status = make_server_info_sam(server_info, sampass);
 859
 860         if (NT_STATUS_IS_OK(nt_status)) {
 861                 (*server_info)->guest = True;
 862         }
 863
 864         return nt_status;
 865 }
 866
 867 /***************************************************************************
 868  Make a server_info struct from the info3 returned by a domain logon
 869 ***************************************************************************/
 870
 871 NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
 872                                 const char *internal_username,
 873                                 const char *sent_nt_username,
 874                                 const char *domain,
 875                                 auth_serversupplied_info **server_info,
 876                                 NET_USER_INFO_3 *info3)
 877 {
 878         NTSTATUS nt_status = NT_STATUS_OK;
 879
 880         const char *nt_domain;
 881         const char *nt_username;
 882
 883         SAM_ACCOUNT *sam_account = NULL;
 884         DOM_SID user_sid;
 885         DOM_SID group_sid;
 886
 887         struct passwd *passwd;
 888
 889         uid_t uid;
 890         gid_t gid;
 891
 892         int n_lgroupSIDs;
 893         DOM_SID *lgroupSIDs   = NULL;
 894
 895         gid_t *unix_groups = NULL;
 896         NT_USER_TOKEN *token;
 897
 898         DOM_SID *all_group_SIDs;
 899         size_t i;
 900
 901         /*
 902            Here is where we should check the list of
 903            trusted domains, and verify that the SID
 904            matches.
 905         */
 906
 907         sid_copy(&user_sid, &info3->dom_sid.sid);
 908         if (!sid_append_rid(&user_sid, info3->user_rid)) {
 909                 return NT_STATUS_INVALID_PARAMETER;
 910         }
 911
 912         sid_copy(&group_sid, &info3->dom_sid.sid);
 913         if (!sid_append_rid(&group_sid, info3->group_rid)) {
 914                 return NT_STATUS_INVALID_PARAMETER;
 915         }
 916
 917         if (!(nt_username = unistr2_tdup(mem_ctx, &(info3->uni_user_name)))) {
 918                 /* If the server didn't give us one, just use the one we sent them */
 919                 nt_username = sent_nt_username;
 920         }
 921
 922         if (!(nt_domain = unistr2_tdup(mem_ctx, &(info3->uni_logon_dom)))) {
 923                 /* If the server didn't give us one, just use the one we sent them */
 924                 domain = domain;
 925         }
 926
 927         if (winbind_sid_to_uid(&uid, &user_sid)
 928             && winbind_sid_to_gid(&gid, &group_sid)
 929             && ((passwd = getpwuid_alloc(uid)))) {
 930                 nt_status = pdb_init_sam_pw(&sam_account, passwd);
 931                 passwd_free(&passwd);
 932         } else {
 933                 char *dom_user;
 934                 dom_user = talloc_asprintf(mem_ctx, "%s%s%s",
 935                                            nt_domain,
 936                                            lp_winbind_separator(),
 937                                            internal_username);
 938
 939                 if (!dom_user) {
 940                         DEBUG(0, ("talloc_asprintf failed!\n"));
 941                         return NT_STATUS_NO_MEMORY;
 942                 } else {
 943
 944                         if (!(passwd = Get_Pwnam(dom_user))
 945                                 /* Only lookup local for the local
 946                                    domain, we don't want this for
 947                                    trusted domains */
 948                             && strequal(nt_domain, lp_workgroup())) {
 949                                 passwd = Get_Pwnam(internal_username);
 950                         }
 951
 952                         if (!passwd) {
 953                                 return NT_STATUS_NO_SUCH_USER;
 954                         } else {
 955                                 nt_status = pdb_init_sam_pw(&sam_account, passwd);
 956                         }
 957                 }
 958         }
 959
 960         if (!NT_STATUS_IS_OK(nt_status)) {
 961                 DEBUG(0, ("make_server_info_info3: pdb_init_sam failed!\n"));
 962                 return nt_status;
 963         }
 964
 965         if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) {
 966                 pdb_free_sam(&sam_account);
 967                 return NT_STATUS_UNSUCCESSFUL;
 968         }
 969
 970         if (!pdb_set_group_sid(sam_account, &group_sid, PDB_CHANGED)) {
 971                 pdb_free_sam(&sam_account);
 972                 return NT_STATUS_UNSUCCESSFUL;
 973         }
 974
 975         if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) {
 976                 pdb_free_sam(&sam_account);
 977                 return NT_STATUS_NO_MEMORY;
 978         }
 979
 980         if (!pdb_set_domain(sam_account, nt_domain, PDB_CHANGED)) {
 981                 pdb_free_sam(&sam_account);
 982                 return NT_STATUS_NO_MEMORY;
 983         }
 984
 985         if (!pdb_set_fullname(sam_account, unistr2_static(&(info3->uni_full_name)), PDB_CHANGED)) {
 986                 pdb_free_sam(&sam_account);
 987                 return NT_STATUS_NO_MEMORY;
 988         }
 989
 990         if (!pdb_set_logon_script(sam_account, unistr2_static(&(info3->uni_logon_script)), PDB_CHANGED)) {
 991                 pdb_free_sam(&sam_account);
 992                 return NT_STATUS_NO_MEMORY;
 993         }
 994
 995         if (!pdb_set_profile_path(sam_account, unistr2_static(&(info3->uni_profile_path)), PDB_CHANGED)) {
 996                 pdb_free_sam(&sam_account);
 997                 return NT_STATUS_NO_MEMORY;
 998         }
 999
1000         if (!pdb_set_homedir(sam_account, unistr2_static(&(info3->uni_home_dir)), PDB_CHANGED)) {
1001                 pdb_free_sam(&sam_account);
1002                 return NT_STATUS_NO_MEMORY;
1003         }
1004
1005         if (!pdb_set_dir_drive(sam_account, unistr2_static(&(info3->uni_dir_drive)), PDB_CHANGED)) {
1006                 pdb_free_sam(&sam_account);
1007                 return NT_STATUS_NO_MEMORY;
1008         }
1009
1010         if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info, sam_account))) {
1011                 DEBUG(4, ("make_server_info failed!\n"));
1012                 pdb_free_sam(&sam_account);
1013                 return nt_status;
1014         }
1015
1016         /* Store the user group information in the server_info
1017            returned to the caller. */
1018
1019         if (!NT_STATUS_IS_OK(nt_status
1020                              = get_user_groups_from_local_sam(sam_account,
1021                                                               &n_lgroupSIDs,
1022                                                               &lgroupSIDs,
1023                                                               &unix_groups)))
1024         {
1025                 DEBUG(4,("get_user_groups_from_local_sam failed\n"));
1026                 return nt_status;
1027         }
1028
1029         (*server_info)->groups = unix_groups;
1030         (*server_info)->n_groups = n_lgroupSIDs;
1031
1032         /* Create a 'combined' list of all SIDs we might want in the SD */
1033         all_group_SIDs   = malloc(sizeof(DOM_SID) *
1034                                   (n_lgroupSIDs + info3->num_groups2 +
1035                                    info3->num_other_sids));
1036         if (!all_group_SIDs) {
1037                 DEBUG(0, ("create_nt_token_info3: malloc() failed for DOM_SID list!\n"));
1038                 SAFE_FREE(lgroupSIDs);
1039                 return NT_STATUS_NO_MEMORY;
1040         }
1041
1042         /* Copy the 'local' sids */
1043         memcpy(all_group_SIDs, lgroupSIDs, sizeof(DOM_SID) * n_lgroupSIDs);
1044         SAFE_FREE(lgroupSIDs);
1045
1046         /* and create (by appending rids) the 'domain' sids */
1047         for (i = 0; i < info3->num_groups2; i++) {
1048                 sid_copy(&all_group_SIDs[i+n_lgroupSIDs], &(info3->dom_sid.sid));
1049                 if (!sid_append_rid(&all_group_SIDs[i+n_lgroupSIDs], info3->gids[i].g_rid)) {
1050                         nt_status = NT_STATUS_INVALID_PARAMETER;
1051                         DEBUG(3,("create_nt_token_info3: could not append additional group rid 0x%x\n",
1052                                 info3->gids[i].g_rid));
1053                         SAFE_FREE(lgroupSIDs);
1054                         return nt_status;
1055                 }
1056         }
1057
1058         /* Copy 'other' sids.  We need to do sid filtering here to
1059            prevent possible elevation of privileges.  See:
1060
1061            http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
1062          */
1063
1064         for (i = 0; i < info3->num_other_sids; i++)
1065                 sid_copy(&all_group_SIDs[
1066                                  n_lgroupSIDs + info3->num_groups2 + i],
1067                          &info3->other_sids[i].sid);
1068
1069         /* Where are the 'global' sids... */
1070
1071         /* can the user be guest? if yes, where is it stored? */
1072         if (!NT_STATUS_IS_OK(
1073                     nt_status = create_nt_user_token(
1074                             &user_sid, &group_sid,
1075                             n_lgroupSIDs + info3->num_groups2 + info3->num_other_sids,
1076                             all_group_SIDs, False, &token))) {
1077                 DEBUG(4,("create_nt_user_token failed\n"));
1078                 SAFE_FREE(all_group_SIDs);
1079                 return nt_status;
1080         }
1081
1082         (*server_info)->ptok = token;
1083
1084         SAFE_FREE(all_group_SIDs);
1085
1086         memcpy((*server_info)->session_key, info3->user_sess_key, sizeof((*server_info)->session_key)/* 16 */);
1087         memcpy((*server_info)->first_8_lm_hash, info3->padding, 8);
1088
1089         return NT_STATUS_OK;
1090 }
1091
1092 /***************************************************************************
1093  Free a user_info struct
1094 ***************************************************************************/
1095
1096 void free_user_info(auth_usersupplied_info **user_info)
1097 {
1098         DEBUG(5,("attempting to free (and zero) a user_info structure\n"));
1099         if (*user_info != NULL) {
1100                 if ((*user_info)->smb_name.str) {
1101                         DEBUG(10,("structure was created for %s\n", (*user_info)->smb_name.str));
1102                 }
1103                 SAFE_FREE((*user_info)->smb_name.str);
1104                 SAFE_FREE((*user_info)->internal_username.str);
1105                 SAFE_FREE((*user_info)->client_domain.str);
1106                 SAFE_FREE((*user_info)->domain.str);
1107                 SAFE_FREE((*user_info)->wksta_name.str);
1108                 data_blob_free(&(*user_info)->lm_resp);
1109                 data_blob_free(&(*user_info)->nt_resp);
1110                 SAFE_FREE((*user_info)->interactive_password);
1111                 data_blob_clear_free(&(*user_info)->plaintext_password);
1112                 ZERO_STRUCT(**user_info);
1113         }
1114         SAFE_FREE(*user_info);
1115 }
1116
1117 /***************************************************************************
1118  Clear out a server_info struct that has been allocated
1119 ***************************************************************************/
1120
1121 void free_server_info(auth_serversupplied_info **server_info)
1122 {
1123         DEBUG(5,("attempting to free (and zero) a server_info structure\n"));
1124         if (*server_info != NULL) {
1125                 pdb_free_sam(&(*server_info)->sam_account);
1126
1127                 /* call pam_end here, unless we know we are keeping it */
1128                 delete_nt_token( &(*server_info)->ptok );
1129                 SAFE_FREE((*server_info)->groups);
1130                 ZERO_STRUCT(**server_info);
1131         }
1132         SAFE_FREE(*server_info);
1133 }
1134
1135 /***************************************************************************
1136  Make an auth_methods struct
1137 ***************************************************************************/
1138
1139 BOOL make_auth_methods(struct auth_context *auth_context, auth_methods **auth_method)
1140 {
1141         if (!auth_context) {
1142                 smb_panic("no auth_context supplied to make_auth_methods()!\n");
1143         }
1144
1145         if (!auth_method) {
1146                 smb_panic("make_auth_methods: pointer to auth_method pointer is NULL!\n");
1147         }
1148
1149         *auth_method = talloc(auth_context->mem_ctx, sizeof(**auth_method));
1150         if (!*auth_method) {
1151                 DEBUG(0,("make_auth_method: malloc failed!\n"));
1152                 return False;
1153         }
1154         ZERO_STRUCTP(*auth_method);
1155
1156         return True;
1157 }
1158
1159 /****************************************************************************
1160  Delete a SID token.
1161 ****************************************************************************/
1162
1163 void delete_nt_token(NT_USER_TOKEN **pptoken)
1164 {
1165     if (*pptoken) {
1166             NT_USER_TOKEN *ptoken = *pptoken;
1167             SAFE_FREE( ptoken->user_sids );
1168             ZERO_STRUCTP(ptoken);
1169     }
1170     SAFE_FREE(*pptoken);
1171 }
1172
1173 /****************************************************************************
1174  Duplicate a SID token.
1175 ****************************************************************************/
1176
1177 NT_USER_TOKEN *dup_nt_token(NT_USER_TOKEN *ptoken)
1178 {
1179         NT_USER_TOKEN *token;
1180
1181         if (!ptoken)
1182                 return NULL;
1183
1184     if ((token = (NT_USER_TOKEN *)malloc( sizeof(NT_USER_TOKEN) ) ) == NULL)
1185         return NULL;
1186
1187     ZERO_STRUCTP(token);
1188
1189     if ((token->user_sids = (DOM_SID *)memdup( ptoken->user_sids, sizeof(DOM_SID) * ptoken->num_sids )) == NULL) {
1190         SAFE_FREE(token);
1191         return NULL;
1192     }
1193
1194     token->num_sids = ptoken->num_sids;
1195
1196         return token;
1197 }
1198
1199 /**
1200  * Squash an NT_STATUS in line with security requirements.
1201  * In an attempt to avoid giving the whole game away when users
1202  * are authenticating, NT replaces both NT_STATUS_NO_SUCH_USER and
1203  * NT_STATUS_WRONG_PASSWORD with NT_STATUS_LOGON_FAILURE in certain situations
1204  * (session setups in particular).
1205  *
1206  * @param nt_status NTSTATUS input for squashing.
1207  * @return the 'squashed' nt_status
1208  **/
1209
1210 NTSTATUS nt_status_squash(NTSTATUS nt_status)
1211 {
1212         if NT_STATUS_IS_OK(nt_status) {
1213                 return nt_status;
1214         } else if NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER) {
1215                 /* Match WinXP and don't give the game away */
1216                 return NT_STATUS_LOGON_FAILURE;
1217
1218         } else if NT_STATUS_EQUAL(nt_status, NT_STATUS_WRONG_PASSWORD) {
1219                 /* Match WinXP and don't give the game away */
1220                 return NT_STATUS_LOGON_FAILURE;
1221         } else {
1222                 return nt_status;
1223         }
1224 }
1225
1226
1227