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