source3/passdb/passdb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Password and authentication handling
   4    Copyright (C) Jeremy Allison                 1996-2001
   5    Copyright (C) Luke Kenneth Casson Leighton   1996-1998
   6    Copyright (C) Gerald (Jerry) Carter          2000-2006
   7    Copyright (C) Andrew Bartlett                2001-2002
   8    Copyright (C) Simo Sorce                     2003
   9    Copyright (C) Volker Lendecke                2006
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 */
  24
  25 #include "includes.h"
  26 #include "passdb.h"
  27 #include "system/passwd.h"
  28 #include "../libcli/auth/libcli_auth.h"
  29 #include "secrets.h"
  30 #include "../libcli/security/security.h"
  31 #include "../lib/util/util_pw.h"
  32 #include "util_tdb.h"
  33
  34 #undef DBGC_CLASS
  35 #define DBGC_CLASS DBGC_PASSDB
  36
  37 /******************************************************************
  38  Get the default domain/netbios name to be used when
  39  testing authentication.
  40
  41  LEGACY: this function provides the legacy domain mapping used with
  42          the lp_map_untrusted_to_domain() parameter
  43 ******************************************************************/
  44
  45 const char *my_sam_name(void)
  46 {
  47        /* Standalone servers can only use the local netbios name */
  48        if ( lp_server_role() == ROLE_STANDALONE )
  49                return lp_netbios_name();
  50
  51        /* Default to the DOMAIN name when not specified */
  52        return lp_workgroup();
  53 }
  54
  55 /**********************************************************************
  56 ***********************************************************************/
  57
  58 static int samu_destroy(struct samu *user)
  59 {
  60         data_blob_clear_free( &user->lm_pw );
  61         data_blob_clear_free( &user->nt_pw );
  62
  63         if ( user->plaintext_pw )
  64                 memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) );
  65
  66         return 0;
  67 }
  68
  69 /**********************************************************************
  70  generate a new struct samuser
  71 ***********************************************************************/
  72
  73 struct samu *samu_new( TALLOC_CTX *ctx )
  74 {
  75         struct samu *user;
  76
  77         if ( !(user = talloc_zero( ctx, struct samu )) ) {
  78                 DEBUG(0,("samuser_new: Talloc failed!\n"));
  79                 return NULL;
  80         }
  81
  82         talloc_set_destructor( user, samu_destroy );
  83
  84         /* no initial methods */
  85
  86         user->methods = NULL;
  87
  88         /* Don't change these timestamp settings without a good reason.
  89            They are important for NT member server compatibility. */
  90
  91         user->logon_time            = (time_t)0;
  92         user->pass_last_set_time    = (time_t)0;
  93         user->pass_can_change_time  = (time_t)0;
  94         user->logoff_time           = get_time_t_max();
  95         user->kickoff_time          = get_time_t_max();
  96         user->pass_must_change_time = get_time_t_max();
  97         user->fields_present        = 0x00ffffff;
  98         user->logon_divs = 168;         /* hours per week */
  99         user->hours_len = 21;           /* 21 times 8 bits = 168 */
 100         memset(user->hours, 0xff, user->hours_len); /* available at all hours */
 101         user->bad_password_count = 0;
 102         user->logon_count = 0;
 103         user->unknown_6 = 0x000004ec; /* don't know */
 104
 105         /* Some parts of samba strlen their pdb_get...() returns,
 106            so this keeps the interface unchanged for now. */
 107
 108         user->username = "";
 109         user->domain = "";
 110         user->nt_username = "";
 111         user->full_name = "";
 112         user->home_dir = "";
 113         user->logon_script = "";
 114         user->profile_path = "";
 115         user->acct_desc = "";
 116         user->workstations = "";
 117         user->comment = "";
 118         user->munged_dial = "";
 119
 120         user->plaintext_pw = NULL;
 121
 122         /* Unless we know otherwise have a Account Control Bit
 123            value of 'normal user'.  This helps User Manager, which
 124            asks for a filtered list of users. */
 125
 126         user->acct_ctrl = ACB_NORMAL;
 127
 128         return user;
 129 }
 130
 131 static int count_commas(const char *str)
 132 {
 133         int num_commas = 0;
 134         const char *comma = str;
 135
 136         while ((comma = strchr(comma, ',')) != NULL) {
 137                 comma += 1;
 138                 num_commas += 1;
 139         }
 140         return num_commas;
 141 }
 142
 143 /*********************************************************************
 144  Initialize a struct samu from a struct passwd including the user
 145  and group SIDs.  The *user structure is filled out with the Unix
 146  attributes and a user SID.
 147 *********************************************************************/
 148
 149 static NTSTATUS samu_set_unix_internal(struct pdb_methods *methods,
 150                                        struct samu *user, const struct passwd *pwd, bool create)
 151 {
 152         const char *guest_account = lp_guestaccount();
 153         const char *domain = lp_netbios_name();
 154         char *fullname;
 155         uint32_t urid;
 156
 157         if ( !pwd ) {
 158                 return NT_STATUS_NO_SUCH_USER;
 159         }
 160
 161         /* Basic properties based upon the Unix account information */
 162
 163         pdb_set_username(user, pwd->pw_name, PDB_SET);
 164
 165         fullname = NULL;
 166
 167         if (count_commas(pwd->pw_gecos) == 3) {
 168                 /*
 169                  * Heuristic: This seems to be a gecos field that has been
 170                  * edited by chfn(1). Only use the part before the first
 171                  * comma. Fixes bug 5198.
 172                  */
 173                 fullname = talloc_strndup(
 174                         talloc_tos(), pwd->pw_gecos,
 175                         strchr(pwd->pw_gecos, ',') - pwd->pw_gecos);
 176         }
 177
 178         if (fullname != NULL) {
 179                 pdb_set_fullname(user, fullname, PDB_SET);
 180         } else {
 181                 pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
 182         }
 183         TALLOC_FREE(fullname);
 184
 185         pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
 186 #if 0
 187         /* This can lead to a primary group of S-1-22-2-XX which
 188            will be rejected by other parts of the Samba code.
 189            Rely on pdb_get_group_sid() to "Do The Right Thing" (TM)
 190            --jerry */
 191
 192         gid_to_sid(&group_sid, pwd->pw_gid);
 193         pdb_set_group_sid(user, &group_sid, PDB_SET);
 194 #endif
 195
 196         /* save the password structure for later use */
 197
 198         user->unix_pw = tcopy_passwd( user, pwd );
 199
 200         /* Special case for the guest account which must have a RID of 501 */
 201
 202         if ( strequal( pwd->pw_name, guest_account ) ) {
 203                 if ( !pdb_set_user_sid_from_rid(user, DOMAIN_RID_GUEST, PDB_DEFAULT)) {
 204                         return NT_STATUS_NO_SUCH_USER;
 205                 }
 206                 return NT_STATUS_OK;
 207         }
 208
 209         /* Non-guest accounts...Check for a workstation or user account */
 210
 211         if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
 212                 /* workstation */
 213
 214                 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
 215                         DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
 216                                 pwd->pw_name));
 217                         return NT_STATUS_INVALID_COMPUTER_NAME;
 218                 }
 219         }
 220         else {
 221                 /* user */
 222
 223                 if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
 224                         DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
 225                                 pwd->pw_name));
 226                         return NT_STATUS_INVALID_ACCOUNT_NAME;
 227                 }
 228
 229                 /* set some basic attributes */
 230
 231                 pdb_set_profile_path(user, talloc_sub_specified(user,
 232                         lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
 233                         PDB_DEFAULT);
 234                 pdb_set_homedir(user, talloc_sub_specified(user,
 235                         lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
 236                         PDB_DEFAULT);
 237                 pdb_set_dir_drive(user, talloc_sub_specified(user,
 238                         lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
 239                         PDB_DEFAULT);
 240                 pdb_set_logon_script(user, talloc_sub_specified(user,
 241                         lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
 242                         PDB_DEFAULT);
 243         }
 244
 245         /* Now deal with the user SID.  If we have a backend that can generate
 246            RIDs, then do so.  But sometimes the caller just wanted a structure
 247            initialized and will fill in these fields later (such as from a
 248            netr_SamInfo3 structure) */
 249
 250         if ( create && (methods->capabilities(methods) & PDB_CAP_STORE_RIDS)) {
 251                 uint32_t user_rid;
 252                 struct dom_sid user_sid;
 253
 254                 if ( !methods->new_rid(methods, &user_rid) ) {
 255                         DEBUG(3, ("Could not allocate a new RID\n"));
 256                         return NT_STATUS_ACCESS_DENIED;
 257                 }
 258
 259                 sid_compose(&user_sid, get_global_sam_sid(), user_rid);
 260
 261                 if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
 262                         DEBUG(3, ("pdb_set_user_sid failed\n"));
 263                         return NT_STATUS_INTERNAL_ERROR;
 264                 }
 265
 266                 return NT_STATUS_OK;
 267         }
 268
 269         /* generate a SID for the user with the RID algorithm */
 270
 271         urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
 272
 273         if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
 274                 return NT_STATUS_INTERNAL_ERROR;
 275         }
 276
 277         return NT_STATUS_OK;
 278 }
 279
 280 /********************************************************************
 281  Set the Unix user attributes
 282 ********************************************************************/
 283
 284 NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
 285 {
 286         return samu_set_unix_internal( NULL, user, pwd, False );
 287 }
 288
 289 NTSTATUS samu_alloc_rid_unix(struct pdb_methods *methods,
 290                              struct samu *user, const struct passwd *pwd)
 291 {
 292         return samu_set_unix_internal( methods, user, pwd, True );
 293 }
 294
 295 /**********************************************************
 296  Encode the account control bits into a string.
 297  length = length of string to encode into (including terminating
 298  null). length *MUST BE MORE THAN 2* !
 299  **********************************************************/
 300
 301 char *pdb_encode_acct_ctrl(uint32_t acct_ctrl, size_t length)
 302 {
 303         fstring acct_str;
 304         char *result;
 305
 306         size_t i = 0;
 307
 308         SMB_ASSERT(length <= sizeof(acct_str));
 309
 310         acct_str[i++] = '[';
 311
 312         if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
 313         if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
 314         if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
 315         if (acct_ctrl & ACB_TEMPDUP  ) acct_str[i++] = 'T';
 316         if (acct_ctrl & ACB_NORMAL   ) acct_str[i++] = 'U';
 317         if (acct_ctrl & ACB_MNS      ) acct_str[i++] = 'M';
 318         if (acct_ctrl & ACB_WSTRUST  ) acct_str[i++] = 'W';
 319         if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
 320         if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
 321         if (acct_ctrl & ACB_PWNOEXP  ) acct_str[i++] = 'X';
 322         if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
 323
 324         for ( ; i < length - 2 ; i++ )
 325                 acct_str[i] = ' ';
 326
 327         i = length - 2;
 328         acct_str[i++] = ']';
 329         acct_str[i++] = '\0';
 330
 331         result = talloc_strdup(talloc_tos(), acct_str);
 332         SMB_ASSERT(result != NULL);
 333         return result;
 334 }
 335
 336 /**********************************************************
 337  Decode the account control bits from a string.
 338  **********************************************************/
 339
 340 uint32_t pdb_decode_acct_ctrl(const char *p)
 341 {
 342         uint32_t acct_ctrl = 0;
 343         bool finished = false;
 344
 345         /*
 346          * Check if the account type bits have been encoded after the
 347          * NT password (in the form [NDHTUWSLXI]).
 348          */
 349
 350         if (*p != '[')
 351                 return 0;
 352
 353         for (p++; *p && !finished; p++) {
 354                 switch (*p) {
 355                         case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
 356                         case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
 357                         case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
 358                         case 'T': { acct_ctrl |= ACB_TEMPDUP  ; break; /* 'T'emp account. */ }
 359                         case 'U': { acct_ctrl |= ACB_NORMAL   ; break; /* 'U'ser account (normal). */ }
 360                         case 'M': { acct_ctrl |= ACB_MNS      ; break; /* 'M'NS logon user account. What is this ? */ }
 361                         case 'W': { acct_ctrl |= ACB_WSTRUST  ; break; /* 'W'orkstation account. */ }
 362                         case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
 363                         case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
 364                         case 'X': { acct_ctrl |= ACB_PWNOEXP  ; break; /* No 'X'piry on password */ }
 365                         case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
 366             case ' ': { break; }
 367                         case ':':
 368                         case '\n':
 369                         case '\0':
 370                         case ']':
 371                         default:  { finished = true; }
 372                 }
 373         }
 374
 375         return acct_ctrl;
 376 }
 377
 378 /*************************************************************
 379  Routine to set 32 hex password characters from a 16 byte array.
 380 **************************************************************/
 381
 382 void pdb_sethexpwd(char p[33], const unsigned char *pwd, uint32_t acct_ctrl)
 383 {
 384         if (pwd != NULL) {
 385                 int i;
 386                 for (i = 0; i < 16; i++)
 387                         slprintf(&p[i*2], 3, "%02X", pwd[i]);
 388         } else {
 389                 if (acct_ctrl & ACB_PWNOTREQ)
 390                         strlcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
 391                 else
 392                         strlcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
 393         }
 394 }
 395
 396 /*************************************************************
 397  Routine to get the 32 hex characters and turn them
 398  into a 16 byte array.
 399 **************************************************************/
 400
 401 bool pdb_gethexpwd(const char *p, unsigned char *pwd)
 402 {
 403         int i;
 404         unsigned char   lonybble, hinybble;
 405         const char      *hexchars = "0123456789ABCDEF";
 406         char           *p1, *p2;
 407
 408         if (!p)
 409                 return false;
 410
 411         for (i = 0; i < 32; i += 2) {
 412                 hinybble = toupper_m(p[i]);
 413                 lonybble = toupper_m(p[i + 1]);
 414
 415                 p1 = strchr(hexchars, hinybble);
 416                 p2 = strchr(hexchars, lonybble);
 417
 418                 if (!p1 || !p2)
 419                         return false;
 420
 421                 hinybble = PTR_DIFF(p1, hexchars);
 422                 lonybble = PTR_DIFF(p2, hexchars);
 423
 424                 pwd[i / 2] = (hinybble << 4) | lonybble;
 425         }
 426         return true;
 427 }
 428
 429 /*************************************************************
 430  Routine to set 42 hex hours characters from a 21 byte array.
 431 **************************************************************/
 432
 433 void pdb_sethexhours(char *p, const unsigned char *hours)
 434 {
 435         if (hours != NULL) {
 436                 int i;
 437                 for (i = 0; i < 21; i++) {
 438                         slprintf(&p[i*2], 3, "%02X", hours[i]);
 439                 }
 440         } else {
 441                 strlcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 44);
 442         }
 443 }
 444
 445 /*************************************************************
 446  Routine to get the 42 hex characters and turn them
 447  into a 21 byte array.
 448 **************************************************************/
 449
 450 bool pdb_gethexhours(const char *p, unsigned char *hours)
 451 {
 452         int i;
 453         unsigned char   lonybble, hinybble;
 454         const char      *hexchars = "0123456789ABCDEF";
 455         char           *p1, *p2;
 456
 457         if (!p) {
 458                 return (False);
 459         }
 460
 461         for (i = 0; i < 42; i += 2) {
 462                 hinybble = toupper_m(p[i]);
 463                 lonybble = toupper_m(p[i + 1]);
 464
 465                 p1 = strchr(hexchars, hinybble);
 466                 p2 = strchr(hexchars, lonybble);
 467
 468                 if (!p1 || !p2) {
 469                         return (False);
 470                 }
 471
 472                 hinybble = PTR_DIFF(p1, hexchars);
 473                 lonybble = PTR_DIFF(p2, hexchars);
 474
 475                 hours[i / 2] = (hinybble << 4) | lonybble;
 476         }
 477         return (True);
 478 }
 479
 480 /********************************************************************
 481 ********************************************************************/
 482
 483 int algorithmic_rid_base(void)
 484 {
 485         int rid_offset;
 486
 487         rid_offset = lp_algorithmic_rid_base();
 488
 489         if (rid_offset < BASE_RID) {
 490                 /* Try to prevent admin foot-shooting, we can't put algorithmic
 491                    rids below 1000, that's the 'well known RIDs' on NT */
 492                 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
 493                 rid_offset = BASE_RID;
 494         }
 495         if (rid_offset & 1) {
 496                 DEBUG(0, ("algorithmic rid base must be even\n"));
 497                 rid_offset += 1;
 498         }
 499         return rid_offset;
 500 }
 501
 502 /*******************************************************************
 503  Converts NT user RID to a UNIX uid.
 504  ********************************************************************/
 505
 506 uid_t algorithmic_pdb_user_rid_to_uid(uint32_t user_rid)
 507 {
 508         int rid_offset = algorithmic_rid_base();
 509         return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
 510 }
 511
 512 uid_t max_algorithmic_uid(void)
 513 {
 514         return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
 515 }
 516
 517 /*******************************************************************
 518  converts UNIX uid to an NT User RID.
 519  ********************************************************************/
 520
 521 uint32_t algorithmic_pdb_uid_to_user_rid(uid_t uid)
 522 {
 523         int rid_offset = algorithmic_rid_base();
 524         return (((((uint32_t)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
 525 }
 526
 527 /*******************************************************************
 528  Converts NT group RID to a UNIX gid.
 529  ********************************************************************/
 530
 531 gid_t pdb_group_rid_to_gid(uint32_t group_rid)
 532 {
 533         int rid_offset = algorithmic_rid_base();
 534         return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
 535 }
 536
 537 gid_t max_algorithmic_gid(void)
 538 {
 539         return pdb_group_rid_to_gid(0xffffffff);
 540 }
 541
 542 /*******************************************************************
 543  converts NT Group RID to a UNIX uid.
 544
 545  warning: you must not call that function only
 546  you must do a call to the group mapping first.
 547  there is not anymore a direct link between the gid and the rid.
 548  ********************************************************************/
 549
 550 uint32_t algorithmic_pdb_gid_to_group_rid(gid_t gid)
 551 {
 552         int rid_offset = algorithmic_rid_base();
 553         return (((((uint32_t)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
 554 }
 555
 556 /*******************************************************************
 557  Decides if a RID is a well known RID.
 558  ********************************************************************/
 559
 560 static bool rid_is_well_known(uint32_t rid)
 561 {
 562         /* Not using rid_offset here, because this is the actual
 563            NT fixed value (1000) */
 564
 565         return (rid < BASE_RID);
 566 }
 567
 568 /*******************************************************************
 569  Decides if a RID is a user or group RID.
 570  ********************************************************************/
 571
 572 bool algorithmic_pdb_rid_is_user(uint32_t rid)
 573 {
 574         if ( rid_is_well_known(rid) ) {
 575                 /*
 576                  * The only well known user RIDs are DOMAIN_RID_ADMINISTRATOR
 577                  * and DOMAIN_RID_GUEST.
 578                  */
 579                 if(rid == DOMAIN_RID_ADMINISTRATOR || rid == DOMAIN_RID_GUEST)
 580                         return True;
 581         } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
 582                 return True;
 583         }
 584         return False;
 585 }
 586
 587 /*******************************************************************
 588  Convert a name into a SID. Used in the lookup name rpc.
 589  ********************************************************************/
 590
 591 bool lookup_global_sam_name(const char *name, int flags, uint32_t *rid,
 592                             enum lsa_SidType *type)
 593 {
 594         GROUP_MAP map;
 595         bool ret;
 596
 597         /* Windows treats "MACHINE\None" as a special name for
 598            rid 513 on non-DCs.  You cannot create a user or group
 599            name "None" on Windows.  You will get an error that
 600            the group already exists. */
 601
 602         if ( strequal( name, "None" ) ) {
 603                 *rid = DOMAIN_RID_USERS;
 604                 *type = SID_NAME_DOM_GRP;
 605
 606                 return True;
 607         }
 608
 609         /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
 610          * correctly in the case where foo also exists as a user. If the flag
 611          * is set, don't look for users at all. */
 612
 613         if ((flags & LOOKUP_NAME_GROUP) == 0) {
 614                 struct samu *sam_account = NULL;
 615                 struct dom_sid user_sid;
 616
 617                 if ( !(sam_account = samu_new( NULL )) ) {
 618                         return False;
 619                 }
 620
 621                 become_root();
 622                 ret =  pdb_getsampwnam(sam_account, name);
 623                 unbecome_root();
 624
 625                 if (ret) {
 626                         sid_copy(&user_sid, pdb_get_user_sid(sam_account));
 627                 }
 628
 629                 TALLOC_FREE(sam_account);
 630
 631                 if (ret) {
 632                         if (!sid_check_is_in_our_domain(&user_sid)) {
 633                                 DEBUG(0, ("User %s with invalid SID %s in passdb\n",
 634                                           name, sid_string_dbg(&user_sid)));
 635                                 return False;
 636                         }
 637
 638                         sid_peek_rid(&user_sid, rid);
 639                         *type = SID_NAME_USER;
 640                         return True;
 641                 }
 642         }
 643
 644         /*
 645          * Maybe it is a group ?
 646          */
 647
 648         become_root();
 649         ret = pdb_getgrnam(&map, name);
 650         unbecome_root();
 651
 652         if (!ret) {
 653                 return False;
 654         }
 655
 656         /* BUILTIN groups are looked up elsewhere */
 657         if (!sid_check_is_in_our_domain(&map.sid)) {
 658                 DEBUG(10, ("Found group %s (%s) not in our domain -- "
 659                            "ignoring.", name, sid_string_dbg(&map.sid)));
 660                 return False;
 661         }
 662
 663         /* yes it's a mapped group */
 664         sid_peek_rid(&map.sid, rid);
 665         *type = map.sid_name_use;
 666         return True;
 667 }
 668
 669 /*************************************************************
 670  Change a password entry in the local passdb backend.
 671
 672  Assumptions:
 673   - always called as root
 674   - ignores the account type except when adding a new account
 675   - will create/delete the unix account if the relative
 676     add/delete user script is configured
 677
 678  *************************************************************/
 679
 680 NTSTATUS local_password_change(const char *user_name,
 681                                 int local_flags,
 682                                 const char *new_passwd,
 683                                 char **pp_err_str,
 684                                 char **pp_msg_str)
 685 {
 686         TALLOC_CTX *tosctx;
 687         struct samu *sam_pass;
 688         uint32_t acb;
 689         uint32_t rid;
 690         NTSTATUS result;
 691         bool user_exists;
 692         int ret = -1;
 693
 694         *pp_err_str = NULL;
 695         *pp_msg_str = NULL;
 696
 697         tosctx = talloc_tos();
 698
 699         sam_pass = samu_new(tosctx);
 700         if (!sam_pass) {
 701                 result = NT_STATUS_NO_MEMORY;
 702                 goto done;
 703         }
 704
 705         /* Get the smb passwd entry for this user */
 706         user_exists = pdb_getsampwnam(sam_pass, user_name);
 707
 708         /* Check delete first, we don't need to do anything else if we
 709          * are going to delete the acocunt */
 710         if (user_exists && (local_flags & LOCAL_DELETE_USER)) {
 711
 712                 result = pdb_delete_user(tosctx, sam_pass);
 713                 if (!NT_STATUS_IS_OK(result)) {
 714                         ret = asprintf(pp_err_str,
 715                                         "Failed to delete entry for user %s.\n",
 716                                         user_name);
 717                         if (ret < 0) {
 718                                 *pp_err_str = NULL;
 719                         }
 720                         result = NT_STATUS_UNSUCCESSFUL;
 721                 } else {
 722                         ret = asprintf(pp_msg_str,
 723                                         "Deleted user %s.\n",
 724                                         user_name);
 725                         if (ret < 0) {
 726                                 *pp_msg_str = NULL;
 727                         }
 728                 }
 729                 goto done;
 730         }
 731
 732         if (user_exists && (local_flags & LOCAL_ADD_USER)) {
 733                 /* the entry already existed */
 734                 local_flags &= ~LOCAL_ADD_USER;
 735         }
 736
 737         if (!user_exists && !(local_flags & LOCAL_ADD_USER)) {
 738                 ret = asprintf(pp_err_str,
 739                                 "Failed to find entry for user %s.\n",
 740                                 user_name);
 741                 if (ret < 0) {
 742                         *pp_err_str = NULL;
 743                 }
 744                 result = NT_STATUS_NO_SUCH_USER;
 745                 goto done;
 746         }
 747
 748         /* First thing add the new user if we are required to do so */
 749         if (local_flags & LOCAL_ADD_USER) {
 750
 751                 if (local_flags & LOCAL_TRUST_ACCOUNT) {
 752                         acb = ACB_WSTRUST;
 753                 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
 754                         acb = ACB_DOMTRUST;
 755                 } else {
 756                         acb = ACB_NORMAL;
 757                 }
 758
 759                 result = pdb_create_user(tosctx, user_name, acb, &rid);
 760                 if (!NT_STATUS_IS_OK(result)) {
 761                         ret = asprintf(pp_err_str,
 762                                         "Failed to add entry for user %s.\n",
 763                                         user_name);
 764                         if (ret < 0) {
 765                                 *pp_err_str = NULL;
 766                         }
 767                         result = NT_STATUS_UNSUCCESSFUL;
 768                         goto done;
 769                 }
 770
 771                 sam_pass = samu_new(tosctx);
 772                 if (!sam_pass) {
 773                         result = NT_STATUS_NO_MEMORY;
 774                         goto done;
 775                 }
 776
 777                 /* Now get back the smb passwd entry for this new user */
 778                 user_exists = pdb_getsampwnam(sam_pass, user_name);
 779                 if (!user_exists) {
 780                         ret = asprintf(pp_err_str,
 781                                         "Failed to add entry for user %s.\n",
 782                                         user_name);
 783                         if (ret < 0) {
 784                                 *pp_err_str = NULL;
 785                         }
 786                         result = NT_STATUS_UNSUCCESSFUL;
 787                         goto done;
 788                 }
 789         }
 790
 791         acb = pdb_get_acct_ctrl(sam_pass);
 792
 793         /*
 794          * We are root - just write the new password
 795          * and the valid last change time.
 796          */
 797         if ((local_flags & LOCAL_SET_NO_PASSWORD) && !(acb & ACB_PWNOTREQ)) {
 798                 acb |= ACB_PWNOTREQ;
 799                 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
 800                         ret = asprintf(pp_err_str,
 801                                         "Failed to set 'no password required' "
 802                                         "flag for user %s.\n", user_name);
 803                         if (ret < 0) {
 804                                 *pp_err_str = NULL;
 805                         }
 806                         result = NT_STATUS_UNSUCCESSFUL;
 807                         goto done;
 808                 }
 809         }
 810
 811         if (local_flags & LOCAL_SET_PASSWORD) {
 812                 /*
 813                  * If we're dealing with setting a completely empty user account
 814                  * ie. One with a password of 'XXXX', but not set disabled (like
 815                  * an account created from scratch) then if the old password was
 816                  * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
 817                  * We remove that as we're giving this user their first password
 818                  * and the decision hasn't really been made to disable them (ie.
 819                  * don't create them disabled). JRA.
 820                  */
 821                 if ((pdb_get_lanman_passwd(sam_pass) == NULL) &&
 822                     (acb & ACB_DISABLED)) {
 823                         acb &= (~ACB_DISABLED);
 824                         if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
 825                                 ret = asprintf(pp_err_str,
 826                                                 "Failed to unset 'disabled' "
 827                                                 "flag for user %s.\n",
 828                                                 user_name);
 829                                 if (ret < 0) {
 830                                         *pp_err_str = NULL;
 831                                 }
 832                                 result = NT_STATUS_UNSUCCESSFUL;
 833                                 goto done;
 834                         }
 835                 }
 836
 837                 acb &= (~ACB_PWNOTREQ);
 838                 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
 839                         ret = asprintf(pp_err_str,
 840                                         "Failed to unset 'no password required'"
 841                                         " flag for user %s.\n", user_name);
 842                         if (ret < 0) {
 843                                 *pp_err_str = NULL;
 844                         }
 845                         result = NT_STATUS_UNSUCCESSFUL;
 846                         goto done;
 847                 }
 848
 849                 if (!pdb_set_plaintext_passwd(sam_pass, new_passwd)) {
 850                         ret = asprintf(pp_err_str,
 851                                         "Failed to set password for "
 852                                         "user %s.\n", user_name);
 853                                 if (ret < 0) {
 854                                 *pp_err_str = NULL;
 855                         }
 856                         result = NT_STATUS_UNSUCCESSFUL;
 857                         goto done;
 858                 }
 859         }
 860
 861         if ((local_flags & LOCAL_DISABLE_USER) && !(acb & ACB_DISABLED)) {
 862                 acb |= ACB_DISABLED;
 863                 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
 864                         ret = asprintf(pp_err_str,
 865                                         "Failed to set 'disabled' flag for "
 866                                         "user %s.\n", user_name);
 867                         if (ret < 0) {
 868                                 *pp_err_str = NULL;
 869                         }
 870                         result = NT_STATUS_UNSUCCESSFUL;
 871                         goto done;
 872                 }
 873         }
 874
 875         if ((local_flags & LOCAL_ENABLE_USER) && (acb & ACB_DISABLED)) {
 876                 acb &= (~ACB_DISABLED);
 877                 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
 878                         ret = asprintf(pp_err_str,
 879                                         "Failed to unset 'disabled' flag for "
 880                                         "user %s.\n", user_name);
 881                         if (ret < 0) {
 882                                 *pp_err_str = NULL;
 883                         }
 884                         result = NT_STATUS_UNSUCCESSFUL;
 885                         goto done;
 886                 }
 887         }
 888
 889         /* now commit changes if any */
 890         result = pdb_update_sam_account(sam_pass);
 891         if (!NT_STATUS_IS_OK(result)) {
 892                 ret = asprintf(pp_err_str,
 893                                 "Failed to modify entry for user %s.\n",
 894                                 user_name);
 895                 if (ret < 0) {
 896                         *pp_err_str = NULL;
 897                 }
 898                 goto done;
 899         }
 900
 901         if (local_flags & LOCAL_ADD_USER) {
 902                 ret = asprintf(pp_msg_str, "Added user %s.\n", user_name);
 903         } else if (local_flags & LOCAL_DISABLE_USER) {
 904                 ret = asprintf(pp_msg_str, "Disabled user %s.\n", user_name);
 905         } else if (local_flags & LOCAL_ENABLE_USER) {
 906                 ret = asprintf(pp_msg_str, "Enabled user %s.\n", user_name);
 907         } else if (local_flags & LOCAL_SET_NO_PASSWORD) {
 908                 ret = asprintf(pp_msg_str,
 909                                 "User %s password set to none.\n", user_name);
 910         }
 911
 912         if (ret < 0) {
 913                 *pp_msg_str = NULL;
 914         }
 915
 916         result = NT_STATUS_OK;
 917
 918 done:
 919         TALLOC_FREE(sam_pass);
 920         return result;
 921 }
 922
 923 /**********************************************************************
 924  Marshall/unmarshall struct samu structs.
 925  *********************************************************************/
 926
 927 #define SAMU_BUFFER_FORMAT_V0       "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
 928 #define SAMU_BUFFER_FORMAT_V1       "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
 929 #define SAMU_BUFFER_FORMAT_V2       "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
 930 #define SAMU_BUFFER_FORMAT_V3       "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
 931 /* nothing changed between V3 and V4 */
 932
 933 /*********************************************************************
 934 *********************************************************************/
 935
 936 static bool init_samu_from_buffer_v0(struct samu *sampass, uint8_t *buf, uint32_t buflen)
 937 {
 938
 939         /* times are stored as 32bit integer
 940            take care on system with 64bit wide time_t
 941            --SSS */
 942         uint32_t        logon_time,
 943                 logoff_time,
 944                 kickoff_time,
 945                 pass_last_set_time,
 946                 pass_can_change_time,
 947                 pass_must_change_time;
 948         char *username = NULL;
 949         char *domain = NULL;
 950         char *nt_username = NULL;
 951         char *dir_drive = NULL;
 952         char *unknown_str = NULL;
 953         char *munged_dial = NULL;
 954         char *fullname = NULL;
 955         char *homedir = NULL;
 956         char *logon_script = NULL;
 957         char *profile_path = NULL;
 958         char *acct_desc = NULL;
 959         char *workstations = NULL;
 960         uint32_t        username_len, domain_len, nt_username_len,
 961                 dir_drive_len, unknown_str_len, munged_dial_len,
 962                 fullname_len, homedir_len, logon_script_len,
 963                 profile_path_len, acct_desc_len, workstations_len;
 964
 965         uint32_t        user_rid, group_rid, remove_me, hours_len, unknown_6;
 966         uint16_t        acct_ctrl, logon_divs;
 967         uint16_t        bad_password_count, logon_count;
 968         uint8_t *hours = NULL;
 969         uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
 970         uint32_t                len = 0;
 971         uint32_t                lm_pw_len, nt_pw_len, hourslen;
 972         bool ret = True;
 973
 974         if(sampass == NULL || buf == NULL) {
 975                 DEBUG(0, ("init_samu_from_buffer_v0: NULL parameters found!\n"));
 976                 return False;
 977         }
 978
 979 /* SAMU_BUFFER_FORMAT_V0       "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */
 980
 981         /* unpack the buffer into variables */
 982         len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V0,
 983                 &logon_time,                                            /* d */
 984                 &logoff_time,                                           /* d */
 985                 &kickoff_time,                                          /* d */
 986                 &pass_last_set_time,                                    /* d */
 987                 &pass_can_change_time,                                  /* d */
 988                 &pass_must_change_time,                                 /* d */
 989                 &username_len, &username,                               /* B */
 990                 &domain_len, &domain,                                   /* B */
 991                 &nt_username_len, &nt_username,                         /* B */
 992                 &fullname_len, &fullname,                               /* B */
 993                 &homedir_len, &homedir,                                 /* B */
 994                 &dir_drive_len, &dir_drive,                             /* B */
 995                 &logon_script_len, &logon_script,                       /* B */
 996                 &profile_path_len, &profile_path,                       /* B */
 997                 &acct_desc_len, &acct_desc,                             /* B */
 998                 &workstations_len, &workstations,                       /* B */
 999                 &unknown_str_len, &unknown_str,                         /* B */
1000                 &munged_dial_len, &munged_dial,                         /* B */
1001                 &user_rid,                                              /* d */
1002                 &group_rid,                                             /* d */
1003                 &lm_pw_len, &lm_pw_ptr,                                 /* B */
1004                 &nt_pw_len, &nt_pw_ptr,                                 /* B */
1005                 &acct_ctrl,                                             /* w */
1006                 &remove_me, /* remove on the next TDB_FORMAT upgarde */ /* d */
1007                 &logon_divs,                                            /* w */
1008                 &hours_len,                                             /* d */
1009                 &hourslen, &hours,                                      /* B */
1010                 &bad_password_count,                                    /* w */
1011                 &logon_count,                                           /* w */
1012                 &unknown_6);                                            /* d */
1013
1014         if (len == (uint32_t) -1)  {
1015                 ret = False;
1016                 goto done;
1017         }
1018
1019         pdb_set_logon_time(sampass, logon_time, PDB_SET);
1020         pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1021         pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1022         pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1023         pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
1024         pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1025
1026         pdb_set_username(sampass, username, PDB_SET);
1027         pdb_set_domain(sampass, domain, PDB_SET);
1028         pdb_set_nt_username(sampass, nt_username, PDB_SET);
1029         pdb_set_fullname(sampass, fullname, PDB_SET);
1030
1031         if (homedir) {
1032                 pdb_set_homedir(sampass, homedir, PDB_SET);
1033         }
1034         else {
1035                 pdb_set_homedir(sampass,
1036                         talloc_sub_basic(sampass, username, domain,
1037                                          lp_logon_home()),
1038                         PDB_DEFAULT);
1039         }
1040
1041         if (dir_drive)
1042                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1043         else {
1044                 pdb_set_dir_drive(sampass,
1045                         talloc_sub_basic(sampass, username, domain,
1046                                          lp_logon_drive()),
1047                         PDB_DEFAULT);
1048         }
1049
1050         if (logon_script)
1051                 pdb_set_logon_script(sampass, logon_script, PDB_SET);
1052         else {
1053                 pdb_set_logon_script(sampass,
1054                         talloc_sub_basic(sampass, username, domain,
1055                                          lp_logon_script()),
1056                         PDB_DEFAULT);
1057         }
1058
1059         if (profile_path) {
1060                 pdb_set_profile_path(sampass, profile_path, PDB_SET);
1061         } else {
1062                 pdb_set_profile_path(sampass,
1063                         talloc_sub_basic(sampass, username, domain,
1064                                          lp_logon_path()),
1065                         PDB_DEFAULT);
1066         }
1067
1068         pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1069         pdb_set_workstations(sampass, workstations, PDB_SET);
1070         pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1071
1072         if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1073                 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1074                         ret = False;
1075                         goto done;
1076                 }
1077         }
1078
1079         if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1080                 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1081                         ret = False;
1082                         goto done;
1083                 }
1084         }
1085
1086         pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1087         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1088         pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1089         pdb_set_hours_len(sampass, hours_len, PDB_SET);
1090         pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1091         pdb_set_logon_count(sampass, logon_count, PDB_SET);
1092         pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1093         pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1094         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1095         pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1096
1097 done:
1098
1099         SAFE_FREE(username);
1100         SAFE_FREE(domain);
1101         SAFE_FREE(nt_username);
1102         SAFE_FREE(fullname);
1103         SAFE_FREE(homedir);
1104         SAFE_FREE(dir_drive);
1105         SAFE_FREE(logon_script);
1106         SAFE_FREE(profile_path);
1107         SAFE_FREE(acct_desc);
1108         SAFE_FREE(workstations);
1109         SAFE_FREE(munged_dial);
1110         SAFE_FREE(unknown_str);
1111         SAFE_FREE(lm_pw_ptr);
1112         SAFE_FREE(nt_pw_ptr);
1113         SAFE_FREE(hours);
1114
1115         return ret;
1116 }
1117
1118 /*********************************************************************
1119 *********************************************************************/
1120
1121 static bool init_samu_from_buffer_v1(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1122 {
1123
1124         /* times are stored as 32bit integer
1125            take care on system with 64bit wide time_t
1126            --SSS */
1127         uint32_t        logon_time,
1128                 logoff_time,
1129                 kickoff_time,
1130                 bad_password_time,
1131                 pass_last_set_time,
1132                 pass_can_change_time,
1133                 pass_must_change_time;
1134         char *username = NULL;
1135         char *domain = NULL;
1136         char *nt_username = NULL;
1137         char *dir_drive = NULL;
1138         char *unknown_str = NULL;
1139         char *munged_dial = NULL;
1140         char *fullname = NULL;
1141         char *homedir = NULL;
1142         char *logon_script = NULL;
1143         char *profile_path = NULL;
1144         char *acct_desc = NULL;
1145         char *workstations = NULL;
1146         uint32_t        username_len, domain_len, nt_username_len,
1147                 dir_drive_len, unknown_str_len, munged_dial_len,
1148                 fullname_len, homedir_len, logon_script_len,
1149                 profile_path_len, acct_desc_len, workstations_len;
1150
1151         uint32_t        user_rid, group_rid, remove_me, hours_len, unknown_6;
1152         uint16_t        acct_ctrl, logon_divs;
1153         uint16_t        bad_password_count, logon_count;
1154         uint8_t *hours = NULL;
1155         uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
1156         uint32_t                len = 0;
1157         uint32_t                lm_pw_len, nt_pw_len, hourslen;
1158         bool ret = True;
1159
1160         if(sampass == NULL || buf == NULL) {
1161                 DEBUG(0, ("init_samu_from_buffer_v1: NULL parameters found!\n"));
1162                 return False;
1163         }
1164
1165 /* SAMU_BUFFER_FORMAT_V1       "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */
1166
1167         /* unpack the buffer into variables */
1168         len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V1,
1169                 &logon_time,                                            /* d */
1170                 &logoff_time,                                           /* d */
1171                 &kickoff_time,                                          /* d */
1172                 /* Change from V0 is addition of bad_password_time field. */
1173                 &bad_password_time,                                     /* d */
1174                 &pass_last_set_time,                                    /* d */
1175                 &pass_can_change_time,                                  /* d */
1176                 &pass_must_change_time,                                 /* d */
1177                 &username_len, &username,                               /* B */
1178                 &domain_len, &domain,                                   /* B */
1179                 &nt_username_len, &nt_username,                         /* B */
1180                 &fullname_len, &fullname,                               /* B */
1181                 &homedir_len, &homedir,                                 /* B */
1182                 &dir_drive_len, &dir_drive,                             /* B */
1183                 &logon_script_len, &logon_script,                       /* B */
1184                 &profile_path_len, &profile_path,                       /* B */
1185                 &acct_desc_len, &acct_desc,                             /* B */
1186                 &workstations_len, &workstations,                       /* B */
1187                 &unknown_str_len, &unknown_str,                         /* B */
1188                 &munged_dial_len, &munged_dial,                         /* B */
1189                 &user_rid,                                              /* d */
1190                 &group_rid,                                             /* d */
1191                 &lm_pw_len, &lm_pw_ptr,                                 /* B */
1192                 &nt_pw_len, &nt_pw_ptr,                                 /* B */
1193                 &acct_ctrl,                                             /* w */
1194                 &remove_me,                                             /* d */
1195                 &logon_divs,                                            /* w */
1196                 &hours_len,                                             /* d */
1197                 &hourslen, &hours,                                      /* B */
1198                 &bad_password_count,                                    /* w */
1199                 &logon_count,                                           /* w */
1200                 &unknown_6);                                            /* d */
1201
1202         if (len == (uint32_t) -1)  {
1203                 ret = False;
1204                 goto done;
1205         }
1206
1207         pdb_set_logon_time(sampass, logon_time, PDB_SET);
1208         pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1209         pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1210
1211         /* Change from V0 is addition of bad_password_time field. */
1212         pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1213         pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1214         pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
1215         pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1216
1217         pdb_set_username(sampass, username, PDB_SET);
1218         pdb_set_domain(sampass, domain, PDB_SET);
1219         pdb_set_nt_username(sampass, nt_username, PDB_SET);
1220         pdb_set_fullname(sampass, fullname, PDB_SET);
1221
1222         if (homedir) {
1223                 pdb_set_homedir(sampass, homedir, PDB_SET);
1224         }
1225         else {
1226                 pdb_set_homedir(sampass,
1227                         talloc_sub_basic(sampass, username, domain,
1228                                          lp_logon_home()),
1229                         PDB_DEFAULT);
1230         }
1231
1232         if (dir_drive)
1233                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1234         else {
1235                 pdb_set_dir_drive(sampass,
1236                         talloc_sub_basic(sampass, username, domain,
1237                                          lp_logon_drive()),
1238                         PDB_DEFAULT);
1239         }
1240
1241         if (logon_script)
1242                 pdb_set_logon_script(sampass, logon_script, PDB_SET);
1243         else {
1244                 pdb_set_logon_script(sampass,
1245                         talloc_sub_basic(sampass, username, domain,
1246                                          lp_logon_script()),
1247                         PDB_DEFAULT);
1248         }
1249
1250         if (profile_path) {
1251                 pdb_set_profile_path(sampass, profile_path, PDB_SET);
1252         } else {
1253                 pdb_set_profile_path(sampass,
1254                         talloc_sub_basic(sampass, username, domain,
1255                                          lp_logon_path()),
1256                         PDB_DEFAULT);
1257         }
1258
1259         pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1260         pdb_set_workstations(sampass, workstations, PDB_SET);
1261         pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1262
1263         if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1264                 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1265                         ret = False;
1266                         goto done;
1267                 }
1268         }
1269
1270         if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1271                 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1272                         ret = False;
1273                         goto done;
1274                 }
1275         }
1276
1277         pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1278
1279         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1280         pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1281         pdb_set_hours_len(sampass, hours_len, PDB_SET);
1282         pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1283         pdb_set_logon_count(sampass, logon_count, PDB_SET);
1284         pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1285         pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1286         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1287         pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1288
1289 done:
1290
1291         SAFE_FREE(username);
1292         SAFE_FREE(domain);
1293         SAFE_FREE(nt_username);
1294         SAFE_FREE(fullname);
1295         SAFE_FREE(homedir);
1296         SAFE_FREE(dir_drive);
1297         SAFE_FREE(logon_script);
1298         SAFE_FREE(profile_path);
1299         SAFE_FREE(acct_desc);
1300         SAFE_FREE(workstations);
1301         SAFE_FREE(munged_dial);
1302         SAFE_FREE(unknown_str);
1303         SAFE_FREE(lm_pw_ptr);
1304         SAFE_FREE(nt_pw_ptr);
1305         SAFE_FREE(hours);
1306
1307         return ret;
1308 }
1309
1310 static bool init_samu_from_buffer_v2(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1311 {
1312
1313         /* times are stored as 32bit integer
1314            take care on system with 64bit wide time_t
1315            --SSS */
1316         uint32_t        logon_time,
1317                 logoff_time,
1318                 kickoff_time,
1319                 bad_password_time,
1320                 pass_last_set_time,
1321                 pass_can_change_time,
1322                 pass_must_change_time;
1323         char *username = NULL;
1324         char *domain = NULL;
1325         char *nt_username = NULL;
1326         char *dir_drive = NULL;
1327         char *unknown_str = NULL;
1328         char *munged_dial = NULL;
1329         char *fullname = NULL;
1330         char *homedir = NULL;
1331         char *logon_script = NULL;
1332         char *profile_path = NULL;
1333         char *acct_desc = NULL;
1334         char *workstations = NULL;
1335         uint32_t        username_len, domain_len, nt_username_len,
1336                 dir_drive_len, unknown_str_len, munged_dial_len,
1337                 fullname_len, homedir_len, logon_script_len,
1338                 profile_path_len, acct_desc_len, workstations_len;
1339
1340         uint32_t        user_rid, group_rid, hours_len, unknown_6;
1341         uint16_t        acct_ctrl, logon_divs;
1342         uint16_t        bad_password_count, logon_count;
1343         uint8_t *hours = NULL;
1344         uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1345         uint32_t                len = 0;
1346         uint32_t                lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1347         uint32_t pwHistLen = 0;
1348         bool ret = True;
1349         fstring tmp_string;
1350         bool expand_explicit = lp_passdb_expand_explicit();
1351
1352         if(sampass == NULL || buf == NULL) {
1353                 DEBUG(0, ("init_samu_from_buffer_v2: NULL parameters found!\n"));
1354                 return False;
1355         }
1356
1357 /* SAMU_BUFFER_FORMAT_V2       "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */
1358
1359         /* unpack the buffer into variables */
1360         len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V2,
1361                 &logon_time,                                            /* d */
1362                 &logoff_time,                                           /* d */
1363                 &kickoff_time,                                          /* d */
1364                 &bad_password_time,                                     /* d */
1365                 &pass_last_set_time,                                    /* d */
1366                 &pass_can_change_time,                                  /* d */
1367                 &pass_must_change_time,                                 /* d */
1368                 &username_len, &username,                               /* B */
1369                 &domain_len, &domain,                                   /* B */
1370                 &nt_username_len, &nt_username,                         /* B */
1371                 &fullname_len, &fullname,                               /* B */
1372                 &homedir_len, &homedir,                                 /* B */
1373                 &dir_drive_len, &dir_drive,                             /* B */
1374                 &logon_script_len, &logon_script,                       /* B */
1375                 &profile_path_len, &profile_path,                       /* B */
1376                 &acct_desc_len, &acct_desc,                             /* B */
1377                 &workstations_len, &workstations,                       /* B */
1378                 &unknown_str_len, &unknown_str,                         /* B */
1379                 &munged_dial_len, &munged_dial,                         /* B */
1380                 &user_rid,                                              /* d */
1381                 &group_rid,                                             /* d */
1382                 &lm_pw_len, &lm_pw_ptr,                                 /* B */
1383                 &nt_pw_len, &nt_pw_ptr,                                 /* B */
1384                 /* Change from V1 is addition of password history field. */
1385                 &nt_pw_hist_len, &nt_pw_hist_ptr,                       /* B */
1386                 &acct_ctrl,                                             /* w */
1387                 /* Also "remove_me" field was removed. */
1388                 &logon_divs,                                            /* w */
1389                 &hours_len,                                             /* d */
1390                 &hourslen, &hours,                                      /* B */
1391                 &bad_password_count,                                    /* w */
1392                 &logon_count,                                           /* w */
1393                 &unknown_6);                                            /* d */
1394
1395         if (len == (uint32_t) -1)  {
1396                 ret = False;
1397                 goto done;
1398         }
1399
1400         pdb_set_logon_time(sampass, logon_time, PDB_SET);
1401         pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1402         pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1403         pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1404         pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1405         pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
1406         pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1407
1408         pdb_set_username(sampass, username, PDB_SET);
1409         pdb_set_domain(sampass, domain, PDB_SET);
1410         pdb_set_nt_username(sampass, nt_username, PDB_SET);
1411         pdb_set_fullname(sampass, fullname, PDB_SET);
1412
1413         if (homedir) {
1414                 fstrcpy( tmp_string, homedir );
1415                 if (expand_explicit) {
1416                         standard_sub_basic( username, domain, tmp_string,
1417                                             sizeof(tmp_string) );
1418                 }
1419                 pdb_set_homedir(sampass, tmp_string, PDB_SET);
1420         }
1421         else {
1422                 pdb_set_homedir(sampass,
1423                         talloc_sub_basic(sampass, username, domain,
1424                                          lp_logon_home()),
1425                         PDB_DEFAULT);
1426         }
1427
1428         if (dir_drive)
1429                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1430         else
1431                 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1432
1433         if (logon_script) {
1434                 fstrcpy( tmp_string, logon_script );
1435                 if (expand_explicit) {
1436                         standard_sub_basic( username, domain, tmp_string,
1437                                             sizeof(tmp_string) );
1438                 }
1439                 pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1440         }
1441         else {
1442                 pdb_set_logon_script(sampass,
1443                         talloc_sub_basic(sampass, username, domain,
1444                                          lp_logon_script()),
1445                         PDB_DEFAULT);
1446         }
1447
1448         if (profile_path) {
1449                 fstrcpy( tmp_string, profile_path );
1450                 if (expand_explicit) {
1451                         standard_sub_basic( username, domain, tmp_string,
1452                                             sizeof(tmp_string) );
1453                 }
1454                 pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1455         }
1456         else {
1457                 pdb_set_profile_path(sampass,
1458                         talloc_sub_basic(sampass, username, domain,
1459                                          lp_logon_path()),
1460                         PDB_DEFAULT);
1461         }
1462
1463         pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1464         pdb_set_workstations(sampass, workstations, PDB_SET);
1465         pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1466
1467         if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1468                 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1469                         ret = False;
1470                         goto done;
1471                 }
1472         }
1473
1474         if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1475                 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1476                         ret = False;
1477                         goto done;
1478                 }
1479         }
1480
1481         /* Change from V1 is addition of password history field. */
1482         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1483         if (pwHistLen) {
1484                 uint8_t *pw_hist = SMB_MALLOC_ARRAY(uint8_t, pwHistLen * PW_HISTORY_ENTRY_LEN);
1485                 if (!pw_hist) {
1486                         ret = False;
1487                         goto done;
1488                 }
1489                 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1490                 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1491                         int i;
1492                         SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1493                         nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1494                         for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1495                                 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1496                                         &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1497                                         PW_HISTORY_ENTRY_LEN);
1498                         }
1499                 }
1500                 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1501                         SAFE_FREE(pw_hist);
1502                         ret = False;
1503                         goto done;
1504                 }
1505                 SAFE_FREE(pw_hist);
1506         } else {
1507                 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1508         }
1509
1510         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1511         pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1512         pdb_set_hours_len(sampass, hours_len, PDB_SET);
1513         pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1514         pdb_set_logon_count(sampass, logon_count, PDB_SET);
1515         pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1516         pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1517         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1518         pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1519
1520 done:
1521
1522         SAFE_FREE(username);
1523         SAFE_FREE(domain);
1524         SAFE_FREE(nt_username);
1525         SAFE_FREE(fullname);
1526         SAFE_FREE(homedir);
1527         SAFE_FREE(dir_drive);
1528         SAFE_FREE(logon_script);
1529         SAFE_FREE(profile_path);
1530         SAFE_FREE(acct_desc);
1531         SAFE_FREE(workstations);
1532         SAFE_FREE(munged_dial);
1533         SAFE_FREE(unknown_str);
1534         SAFE_FREE(lm_pw_ptr);
1535         SAFE_FREE(nt_pw_ptr);
1536         SAFE_FREE(nt_pw_hist_ptr);
1537         SAFE_FREE(hours);
1538
1539         return ret;
1540 }
1541
1542 /*********************************************************************
1543 *********************************************************************/
1544
1545 static bool init_samu_from_buffer_v3(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1546 {
1547
1548         /* times are stored as 32bit integer
1549            take care on system with 64bit wide time_t
1550            --SSS */
1551         uint32_t        logon_time,
1552                 logoff_time,
1553                 kickoff_time,
1554                 bad_password_time,
1555                 pass_last_set_time,
1556                 pass_can_change_time,
1557                 pass_must_change_time;
1558         char *username = NULL;
1559         char *domain = NULL;
1560         char *nt_username = NULL;
1561         char *dir_drive = NULL;
1562         char *comment = NULL;
1563         char *munged_dial = NULL;
1564         char *fullname = NULL;
1565         char *homedir = NULL;
1566         char *logon_script = NULL;
1567         char *profile_path = NULL;
1568         char *acct_desc = NULL;
1569         char *workstations = NULL;
1570         uint32_t        username_len, domain_len, nt_username_len,
1571                 dir_drive_len, comment_len, munged_dial_len,
1572                 fullname_len, homedir_len, logon_script_len,
1573                 profile_path_len, acct_desc_len, workstations_len;
1574
1575         uint32_t        user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
1576         uint16_t  logon_divs;
1577         uint16_t        bad_password_count, logon_count;
1578         uint8_t *hours = NULL;
1579         uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1580         uint32_t                len = 0;
1581         uint32_t                lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1582         uint32_t pwHistLen = 0;
1583         bool ret = True;
1584         fstring tmp_string;
1585         bool expand_explicit = lp_passdb_expand_explicit();
1586
1587         if(sampass == NULL || buf == NULL) {
1588                 DEBUG(0, ("init_samu_from_buffer_v3: NULL parameters found!\n"));
1589                 return False;
1590         }
1591
1592 /* SAMU_BUFFER_FORMAT_V3       "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1593
1594         /* unpack the buffer into variables */
1595         len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V3,
1596                 &logon_time,                                            /* d */
1597                 &logoff_time,                                           /* d */
1598                 &kickoff_time,                                          /* d */
1599                 &bad_password_time,                                     /* d */
1600                 &pass_last_set_time,                                    /* d */
1601                 &pass_can_change_time,                                  /* d */
1602                 &pass_must_change_time,                                 /* d */
1603                 &username_len, &username,                               /* B */
1604                 &domain_len, &domain,                                   /* B */
1605                 &nt_username_len, &nt_username,                         /* B */
1606                 &fullname_len, &fullname,                               /* B */
1607                 &homedir_len, &homedir,                                 /* B */
1608                 &dir_drive_len, &dir_drive,                             /* B */
1609                 &logon_script_len, &logon_script,                       /* B */
1610                 &profile_path_len, &profile_path,                       /* B */
1611                 &acct_desc_len, &acct_desc,                             /* B */
1612                 &workstations_len, &workstations,                       /* B */
1613                 &comment_len, &comment,                                 /* B */
1614                 &munged_dial_len, &munged_dial,                         /* B */
1615                 &user_rid,                                              /* d */
1616                 &group_rid,                                             /* d */
1617                 &lm_pw_len, &lm_pw_ptr,                                 /* B */
1618                 &nt_pw_len, &nt_pw_ptr,                                 /* B */
1619                 /* Change from V1 is addition of password history field. */
1620                 &nt_pw_hist_len, &nt_pw_hist_ptr,                       /* B */
1621                 /* Change from V2 is the uint32_t acb_mask */
1622                 &acct_ctrl,                                             /* d */
1623                 /* Also "remove_me" field was removed. */
1624                 &logon_divs,                                            /* w */
1625                 &hours_len,                                             /* d */
1626                 &hourslen, &hours,                                      /* B */
1627                 &bad_password_count,                                    /* w */
1628                 &logon_count,                                           /* w */
1629                 &unknown_6);                                            /* d */
1630
1631         if (len == (uint32_t) -1)  {
1632                 ret = False;
1633                 goto done;
1634         }
1635
1636         pdb_set_logon_time(sampass, convert_uint32_t_to_time_t(logon_time), PDB_SET);
1637         pdb_set_logoff_time(sampass, convert_uint32_t_to_time_t(logoff_time), PDB_SET);
1638         pdb_set_kickoff_time(sampass, convert_uint32_t_to_time_t(kickoff_time), PDB_SET);
1639         pdb_set_bad_password_time(sampass, convert_uint32_t_to_time_t(bad_password_time), PDB_SET);
1640         pdb_set_pass_can_change_time(sampass, convert_uint32_t_to_time_t(pass_can_change_time), PDB_SET);
1641         pdb_set_pass_must_change_time(sampass, convert_uint32_t_to_time_t(pass_must_change_time), PDB_SET);
1642         pdb_set_pass_last_set_time(sampass, convert_uint32_t_to_time_t(pass_last_set_time), PDB_SET);
1643
1644         pdb_set_username(sampass, username, PDB_SET);
1645         pdb_set_domain(sampass, domain, PDB_SET);
1646         pdb_set_nt_username(sampass, nt_username, PDB_SET);
1647         pdb_set_fullname(sampass, fullname, PDB_SET);
1648
1649         if (homedir) {
1650                 fstrcpy( tmp_string, homedir );
1651                 if (expand_explicit) {
1652                         standard_sub_basic( username, domain, tmp_string,
1653                                             sizeof(tmp_string) );
1654                 }
1655                 pdb_set_homedir(sampass, tmp_string, PDB_SET);
1656         }
1657         else {
1658                 pdb_set_homedir(sampass,
1659                         talloc_sub_basic(sampass, username, domain,
1660                                          lp_logon_home()),
1661                         PDB_DEFAULT);
1662         }
1663
1664         if (dir_drive)
1665                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1666         else
1667                 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1668
1669         if (logon_script) {
1670                 fstrcpy( tmp_string, logon_script );
1671                 if (expand_explicit) {
1672                         standard_sub_basic( username, domain, tmp_string,
1673                                             sizeof(tmp_string) );
1674                 }
1675                 pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1676         }
1677         else {
1678                 pdb_set_logon_script(sampass,
1679                         talloc_sub_basic(sampass, username, domain,
1680                                          lp_logon_script()),
1681                         PDB_DEFAULT);
1682         }
1683
1684         if (profile_path) {
1685                 fstrcpy( tmp_string, profile_path );
1686                 if (expand_explicit) {
1687                         standard_sub_basic( username, domain, tmp_string,
1688                                             sizeof(tmp_string) );
1689                 }
1690                 pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1691         }
1692         else {
1693                 pdb_set_profile_path(sampass,
1694                         talloc_sub_basic(sampass, username, domain, lp_logon_path()),
1695                         PDB_DEFAULT);
1696         }
1697
1698         pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1699         pdb_set_comment(sampass, comment, PDB_SET);
1700         pdb_set_workstations(sampass, workstations, PDB_SET);
1701         pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1702
1703         if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1704                 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1705                         ret = False;
1706                         goto done;
1707                 }
1708         }
1709
1710         if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1711                 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1712                         ret = False;
1713                         goto done;
1714                 }
1715         }
1716
1717         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1718         if (pwHistLen) {
1719                 uint8_t *pw_hist = (uint8_t *)SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
1720                 if (!pw_hist) {
1721                         ret = False;
1722                         goto done;
1723                 }
1724                 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1725                 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1726                         int i;
1727                         SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1728                         nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1729                         for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1730                                 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1731                                         &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1732                                         PW_HISTORY_ENTRY_LEN);
1733                         }
1734                 }
1735                 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1736                         SAFE_FREE(pw_hist);
1737                         ret = False;
1738                         goto done;
1739                 }
1740                 SAFE_FREE(pw_hist);
1741         } else {
1742                 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1743         }
1744
1745         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1746         pdb_set_hours_len(sampass, hours_len, PDB_SET);
1747         pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1748         pdb_set_logon_count(sampass, logon_count, PDB_SET);
1749         pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1750         /* Change from V2 is the uint32_t acct_ctrl */
1751         pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1752         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1753         pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1754
1755 done:
1756
1757         SAFE_FREE(username);
1758         SAFE_FREE(domain);
1759         SAFE_FREE(nt_username);
1760         SAFE_FREE(fullname);
1761         SAFE_FREE(homedir);
1762         SAFE_FREE(dir_drive);
1763         SAFE_FREE(logon_script);
1764         SAFE_FREE(profile_path);
1765         SAFE_FREE(acct_desc);
1766         SAFE_FREE(workstations);
1767         SAFE_FREE(munged_dial);
1768         SAFE_FREE(comment);
1769         SAFE_FREE(lm_pw_ptr);
1770         SAFE_FREE(nt_pw_ptr);
1771         SAFE_FREE(nt_pw_hist_ptr);
1772         SAFE_FREE(hours);
1773
1774         return ret;
1775 }
1776
1777 /*********************************************************************
1778 *********************************************************************/
1779
1780 static uint32_t init_buffer_from_samu_v3 (uint8_t **buf, struct samu *sampass, bool size_only)
1781 {
1782         size_t len, buflen;
1783
1784         /* times are stored as 32bit integer
1785            take care on system with 64bit wide time_t
1786            --SSS */
1787         uint32_t        logon_time,
1788                 logoff_time,
1789                 kickoff_time,
1790                 bad_password_time,
1791                 pass_last_set_time,
1792                 pass_can_change_time,
1793                 pass_must_change_time;
1794
1795         uint32_t  user_rid, group_rid;
1796
1797         const char *username;
1798         const char *domain;
1799         const char *nt_username;
1800         const char *dir_drive;
1801         const char *comment;
1802         const char *munged_dial;
1803         const char *fullname;
1804         const char *homedir;
1805         const char *logon_script;
1806         const char *profile_path;
1807         const char *acct_desc;
1808         const char *workstations;
1809         uint32_t        username_len, domain_len, nt_username_len,
1810                 dir_drive_len, comment_len, munged_dial_len,
1811                 fullname_len, homedir_len, logon_script_len,
1812                 profile_path_len, acct_desc_len, workstations_len;
1813
1814         const uint8_t *lm_pw;
1815         const uint8_t *nt_pw;
1816         const uint8_t *nt_pw_hist;
1817         uint32_t        lm_pw_len = 16;
1818         uint32_t        nt_pw_len = 16;
1819         uint32_t  nt_pw_hist_len;
1820         uint32_t pwHistLen = 0;
1821
1822         *buf = NULL;
1823         buflen = 0;
1824
1825         logon_time = convert_time_t_to_uint32_t(pdb_get_logon_time(sampass));
1826         logoff_time = convert_time_t_to_uint32_t(pdb_get_logoff_time(sampass));
1827         kickoff_time = convert_time_t_to_uint32_t(pdb_get_kickoff_time(sampass));
1828         bad_password_time = convert_time_t_to_uint32_t(pdb_get_bad_password_time(sampass));
1829         pass_can_change_time = convert_time_t_to_uint32_t(pdb_get_pass_can_change_time_noncalc(sampass));
1830         pass_must_change_time = convert_time_t_to_uint32_t(pdb_get_pass_must_change_time(sampass));
1831         pass_last_set_time = convert_time_t_to_uint32_t(pdb_get_pass_last_set_time(sampass));
1832
1833         user_rid = pdb_get_user_rid(sampass);
1834         group_rid = pdb_get_group_rid(sampass);
1835
1836         username = pdb_get_username(sampass);
1837         if (username) {
1838                 username_len = strlen(username) +1;
1839         } else {
1840                 username_len = 0;
1841         }
1842
1843         domain = pdb_get_domain(sampass);
1844         if (domain) {
1845                 domain_len = strlen(domain) +1;
1846         } else {
1847                 domain_len = 0;
1848         }
1849
1850         nt_username = pdb_get_nt_username(sampass);
1851         if (nt_username) {
1852                 nt_username_len = strlen(nt_username) +1;
1853         } else {
1854                 nt_username_len = 0;
1855         }
1856
1857         fullname = pdb_get_fullname(sampass);
1858         if (fullname) {
1859                 fullname_len = strlen(fullname) +1;
1860         } else {
1861                 fullname_len = 0;
1862         }
1863
1864         /*
1865          * Only updates fields which have been set (not defaults from smb.conf)
1866          */
1867
1868         if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1869                 dir_drive = pdb_get_dir_drive(sampass);
1870         } else {
1871                 dir_drive = NULL;
1872         }
1873         if (dir_drive) {
1874                 dir_drive_len = strlen(dir_drive) +1;
1875         } else {
1876                 dir_drive_len = 0;
1877         }
1878
1879         if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1880                 homedir = pdb_get_homedir(sampass);
1881         } else {
1882                 homedir = NULL;
1883         }
1884         if (homedir) {
1885                 homedir_len = strlen(homedir) +1;
1886         } else {
1887                 homedir_len = 0;
1888         }
1889
1890         if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1891                 logon_script = pdb_get_logon_script(sampass);
1892         } else {
1893                 logon_script = NULL;
1894         }
1895         if (logon_script) {
1896                 logon_script_len = strlen(logon_script) +1;
1897         } else {
1898                 logon_script_len = 0;
1899         }
1900
1901         if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1902                 profile_path = pdb_get_profile_path(sampass);
1903         } else {
1904                 profile_path = NULL;
1905         }
1906         if (profile_path) {
1907                 profile_path_len = strlen(profile_path) +1;
1908         } else {
1909                 profile_path_len = 0;
1910         }
1911
1912         lm_pw = pdb_get_lanman_passwd(sampass);
1913         if (!lm_pw) {
1914                 lm_pw_len = 0;
1915         }
1916
1917         nt_pw = pdb_get_nt_passwd(sampass);
1918         if (!nt_pw) {
1919                 nt_pw_len = 0;
1920         }
1921
1922         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1923         nt_pw_hist =  pdb_get_pw_history(sampass, &nt_pw_hist_len);
1924         if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1925                 nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1926         } else {
1927                 nt_pw_hist_len = 0;
1928         }
1929
1930         acct_desc = pdb_get_acct_desc(sampass);
1931         if (acct_desc) {
1932                 acct_desc_len = strlen(acct_desc) +1;
1933         } else {
1934                 acct_desc_len = 0;
1935         }
1936
1937         workstations = pdb_get_workstations(sampass);
1938         if (workstations) {
1939                 workstations_len = strlen(workstations) +1;
1940         } else {
1941                 workstations_len = 0;
1942         }
1943
1944         comment = pdb_get_comment(sampass);
1945         if (comment) {
1946                 comment_len = strlen(comment) +1;
1947         } else {
1948                 comment_len = 0;
1949         }
1950
1951         munged_dial = pdb_get_munged_dial(sampass);
1952         if (munged_dial) {
1953                 munged_dial_len = strlen(munged_dial) +1;
1954         } else {
1955                 munged_dial_len = 0;
1956         }
1957
1958 /* SAMU_BUFFER_FORMAT_V3       "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1959
1960         /* one time to get the size needed */
1961         len = tdb_pack(NULL, 0,  SAMU_BUFFER_FORMAT_V3,
1962                 logon_time,                             /* d */
1963                 logoff_time,                            /* d */
1964                 kickoff_time,                           /* d */
1965                 bad_password_time,                      /* d */
1966                 pass_last_set_time,                     /* d */
1967                 pass_can_change_time,                   /* d */
1968                 pass_must_change_time,                  /* d */
1969                 username_len, username,                 /* B */
1970                 domain_len, domain,                     /* B */
1971                 nt_username_len, nt_username,           /* B */
1972                 fullname_len, fullname,                 /* B */
1973                 homedir_len, homedir,                   /* B */
1974                 dir_drive_len, dir_drive,               /* B */
1975                 logon_script_len, logon_script,         /* B */
1976                 profile_path_len, profile_path,         /* B */
1977                 acct_desc_len, acct_desc,               /* B */
1978                 workstations_len, workstations,         /* B */
1979                 comment_len, comment,                   /* B */
1980                 munged_dial_len, munged_dial,           /* B */
1981                 user_rid,                               /* d */
1982                 group_rid,                              /* d */
1983                 lm_pw_len, lm_pw,                       /* B */
1984                 nt_pw_len, nt_pw,                       /* B */
1985                 nt_pw_hist_len, nt_pw_hist,             /* B */
1986                 pdb_get_acct_ctrl(sampass),             /* d */
1987                 pdb_get_logon_divs(sampass),            /* w */
1988                 pdb_get_hours_len(sampass),             /* d */
1989                 MAX_HOURS_LEN, pdb_get_hours(sampass),  /* B */
1990                 pdb_get_bad_password_count(sampass),    /* w */
1991                 pdb_get_logon_count(sampass),           /* w */
1992                 pdb_get_unknown_6(sampass));            /* d */
1993
1994         if (size_only) {
1995                 return buflen;
1996         }
1997
1998         /* malloc the space needed */
1999         if ( (*buf=(uint8_t*)SMB_MALLOC(len)) == NULL) {
2000                 DEBUG(0,("init_buffer_from_samu_v3: Unable to malloc() memory for buffer!\n"));
2001                 return (-1);
2002         }
2003
2004         /* now for the real call to tdb_pack() */
2005         buflen = tdb_pack(*buf, len,  SAMU_BUFFER_FORMAT_V3,
2006                 logon_time,                             /* d */
2007                 logoff_time,                            /* d */
2008                 kickoff_time,                           /* d */
2009                 bad_password_time,                      /* d */
2010                 pass_last_set_time,                     /* d */
2011                 pass_can_change_time,                   /* d */
2012                 pass_must_change_time,                  /* d */
2013                 username_len, username,                 /* B */
2014                 domain_len, domain,                     /* B */
2015                 nt_username_len, nt_username,           /* B */
2016                 fullname_len, fullname,                 /* B */
2017                 homedir_len, homedir,                   /* B */
2018                 dir_drive_len, dir_drive,               /* B */
2019                 logon_script_len, logon_script,         /* B */
2020                 profile_path_len, profile_path,         /* B */
2021                 acct_desc_len, acct_desc,               /* B */
2022                 workstations_len, workstations,         /* B */
2023                 comment_len, comment,                   /* B */
2024                 munged_dial_len, munged_dial,           /* B */
2025                 user_rid,                               /* d */
2026                 group_rid,                              /* d */
2027                 lm_pw_len, lm_pw,                       /* B */
2028                 nt_pw_len, nt_pw,                       /* B */
2029                 nt_pw_hist_len, nt_pw_hist,             /* B */
2030                 pdb_get_acct_ctrl(sampass),             /* d */
2031                 pdb_get_logon_divs(sampass),            /* w */
2032                 pdb_get_hours_len(sampass),             /* d */
2033                 MAX_HOURS_LEN, pdb_get_hours(sampass),  /* B */
2034                 pdb_get_bad_password_count(sampass),    /* w */
2035                 pdb_get_logon_count(sampass),           /* w */
2036                 pdb_get_unknown_6(sampass));            /* d */
2037
2038         /* check to make sure we got it correct */
2039         if (buflen != len) {
2040                 DEBUG(0, ("init_buffer_from_samu_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
2041                           (unsigned long)buflen, (unsigned long)len));
2042                 /* error */
2043                 SAFE_FREE (*buf);
2044                 return (-1);
2045         }
2046
2047         return (buflen);
2048 }
2049
2050 static bool init_samu_from_buffer_v4(struct samu *sampass, uint8_t *buf, uint32_t buflen)
2051 {
2052         /* nothing changed between V3 and V4 */
2053         return init_samu_from_buffer_v3(sampass, buf, buflen);
2054 }
2055
2056 static uint32_t init_buffer_from_samu_v4(uint8_t **buf, struct samu *sampass, bool size_only)
2057 {
2058         /* nothing changed between V3 and V4 */
2059         return init_buffer_from_samu_v3(buf, sampass, size_only);
2060 }
2061
2062 /**********************************************************************
2063  Intialize a struct samu struct from a BYTE buffer of size len
2064  *********************************************************************/
2065
2066 bool init_samu_from_buffer(struct samu *sampass, uint32_t level,
2067                            uint8_t *buf, uint32_t buflen)
2068 {
2069         switch (level) {
2070         case SAMU_BUFFER_V0:
2071                 return init_samu_from_buffer_v0(sampass, buf, buflen);
2072         case SAMU_BUFFER_V1:
2073                 return init_samu_from_buffer_v1(sampass, buf, buflen);
2074         case SAMU_BUFFER_V2:
2075                 return init_samu_from_buffer_v2(sampass, buf, buflen);
2076         case SAMU_BUFFER_V3:
2077                 return init_samu_from_buffer_v3(sampass, buf, buflen);
2078         case SAMU_BUFFER_V4:
2079                 return init_samu_from_buffer_v4(sampass, buf, buflen);
2080         }
2081
2082         return false;
2083 }
2084
2085 /**********************************************************************
2086  Intialize a BYTE buffer from a struct samu struct
2087  *********************************************************************/
2088
2089 uint32_t init_buffer_from_samu (uint8_t **buf, struct samu *sampass, bool size_only)
2090 {
2091         return init_buffer_from_samu_v4(buf, sampass, size_only);
2092 }
2093
2094 /*********************************************************************
2095 *********************************************************************/
2096
2097 bool pdb_copy_sam_account(struct samu *dst, struct samu *src )
2098 {
2099         uint8_t *buf = NULL;
2100         int len;
2101
2102         len = init_buffer_from_samu(&buf, src, False);
2103         if (len == -1 || !buf) {
2104                 SAFE_FREE(buf);
2105                 return False;
2106         }
2107
2108         if (!init_samu_from_buffer( dst, SAMU_BUFFER_LATEST, buf, len )) {
2109                 free(buf);
2110                 return False;
2111         }
2112
2113         dst->methods = src->methods;
2114
2115         if ( src->unix_pw ) {
2116                 dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
2117                 if (!dst->unix_pw) {
2118                         free(buf);
2119                         return False;
2120                 }
2121         }
2122
2123         if (src->group_sid) {
2124                 pdb_set_group_sid(dst, src->group_sid, PDB_SET);
2125         }
2126
2127         free(buf);
2128         return True;
2129 }
2130
2131 /*********************************************************************
2132  Update the bad password count checking the PDB_POLICY_RESET_COUNT_TIME
2133 *********************************************************************/
2134
2135 bool pdb_update_bad_password_count(struct samu *sampass, bool *updated)
2136 {
2137         time_t LastBadPassword;
2138         uint16_t BadPasswordCount;
2139         uint32_t resettime;
2140         bool res;
2141
2142         BadPasswordCount = pdb_get_bad_password_count(sampass);
2143         if (!BadPasswordCount) {
2144                 DEBUG(9, ("No bad password attempts.\n"));
2145                 return True;
2146         }
2147
2148         become_root();
2149         res = pdb_get_account_policy(PDB_POLICY_RESET_COUNT_TIME, &resettime);
2150         unbecome_root();
2151
2152         if (!res) {
2153                 DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
2154                 return False;
2155         }
2156
2157         /* First, check if there is a reset time to compare */
2158         if ((resettime == (uint32_t) -1) || (resettime == 0)) {
2159                 DEBUG(9, ("No reset time, can't reset bad pw count\n"));
2160                 return True;
2161         }
2162
2163         LastBadPassword = pdb_get_bad_password_time(sampass);
2164         DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
2165                    (uint32_t) LastBadPassword, resettime, (uint32_t)time(NULL)));
2166         if (time(NULL) > (LastBadPassword + convert_uint32_t_to_time_t(resettime)*60)){
2167                 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2168                 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2169                 if (updated) {
2170                         *updated = True;
2171                 }
2172         }
2173
2174         return True;
2175 }
2176
2177 /*********************************************************************
2178  Update the ACB_AUTOLOCK flag checking the PDB_POLICY_LOCK_ACCOUNT_DURATION
2179 *********************************************************************/
2180
2181 bool pdb_update_autolock_flag(struct samu *sampass, bool *updated)
2182 {
2183         uint32_t duration;
2184         time_t LastBadPassword;
2185         bool res;
2186
2187         if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
2188                 DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
2189                         pdb_get_username(sampass)));
2190                 return True;
2191         }
2192
2193         become_root();
2194         res = pdb_get_account_policy(PDB_POLICY_LOCK_ACCOUNT_DURATION, &duration);
2195         unbecome_root();
2196
2197         if (!res) {
2198                 DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
2199                 return False;
2200         }
2201
2202         /* First, check if there is a duration to compare */
2203         if ((duration == (uint32_t) -1)  || (duration == 0)) {
2204                 DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
2205                 return True;
2206         }
2207
2208         LastBadPassword = pdb_get_bad_password_time(sampass);
2209         DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
2210                   pdb_get_username(sampass), (uint32_t)LastBadPassword, duration*60, (uint32_t)time(NULL)));
2211
2212         if (LastBadPassword == (time_t)0) {
2213                 DEBUG(1,("pdb_update_autolock_flag: Account %s "
2214                          "administratively locked out with no bad password "
2215                          "time. Leaving locked out.\n",
2216                          pdb_get_username(sampass) ));
2217                 return True;
2218         }
2219
2220         if ((time(NULL) > (LastBadPassword + convert_uint32_t_to_time_t(duration) * 60))) {
2221                 pdb_set_acct_ctrl(sampass,
2222                                   pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
2223                                   PDB_CHANGED);
2224                 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2225                 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2226                 if (updated) {
2227                         *updated = True;
2228                 }
2229         }
2230
2231         return True;
2232 }
2233
2234 /*********************************************************************
2235  Increment the bad_password_count
2236 *********************************************************************/
2237
2238 bool pdb_increment_bad_password_count(struct samu *sampass)
2239 {
2240         uint32_t account_policy_lockout;
2241         bool autolock_updated = False, badpw_updated = False;
2242         bool ret;
2243
2244         /* Retrieve the account lockout policy */
2245         become_root();
2246         ret = pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
2247         unbecome_root();
2248         if ( !ret ) {
2249                 DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
2250                 return False;
2251         }
2252
2253         /* If there is no policy, we don't need to continue checking */
2254         if (!account_policy_lockout) {
2255                 DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
2256                 return True;
2257         }
2258
2259         /* Check if the autolock needs to be cleared */
2260         if (!pdb_update_autolock_flag(sampass, &autolock_updated))
2261                 return False;
2262
2263         /* Check if the badpw count needs to be reset */
2264         if (!pdb_update_bad_password_count(sampass, &badpw_updated))
2265                 return False;
2266
2267         /*
2268           Ok, now we can assume that any resetting that needs to be
2269           done has been done, and just get on with incrementing
2270           and autolocking if necessary
2271         */
2272
2273         pdb_set_bad_password_count(sampass,
2274                                    pdb_get_bad_password_count(sampass)+1,
2275                                    PDB_CHANGED);
2276         pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
2277
2278
2279         if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
2280                 return True;
2281
2282         if (!pdb_set_acct_ctrl(sampass,
2283                                pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
2284                                PDB_CHANGED)) {
2285                 DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
2286                 return False;
2287         }
2288
2289         return True;
2290 }
2291
2292 bool is_dc_trusted_domain_situation(const char *domain_name)
2293 {
2294         return IS_DC && !strequal(domain_name, lp_workgroup());
2295 }
2296
2297 /*******************************************************************
2298  Wrapper around retrieving the clear text trust account password.
2299  appropriate account name is stored in account_name.
2300  Caller must free password, but not account_name.
2301 *******************************************************************/
2302
2303 bool get_trust_pw_clear(const char *domain, char **ret_pwd,
2304                         const char **account_name,
2305                         enum netr_SchannelType *channel)
2306 {
2307         char *pwd;
2308         time_t last_set_time;
2309
2310         /* if we are a DC and this is not our domain, then lookup an account
2311          * for the domain trust */
2312
2313         if (is_dc_trusted_domain_situation(domain)) {
2314                 if (!lp_allow_trusted_domains()) {
2315                         return false;
2316                 }
2317
2318                 if (!pdb_get_trusteddom_pw(domain, ret_pwd, NULL,
2319                                            &last_set_time))
2320                 {
2321                         DEBUG(0, ("get_trust_pw: could not fetch trust "
2322                                 "account password for trusted domain %s\n",
2323                                 domain));
2324                         return false;
2325                 }
2326
2327                 if (channel != NULL) {
2328                         *channel = SEC_CHAN_DOMAIN;
2329                 }
2330
2331                 if (account_name != NULL) {
2332                         *account_name = lp_workgroup();
2333                 }
2334
2335                 return true;
2336         }
2337
2338         /*
2339          * Since we can only be member of one single domain, we are now
2340          * in a member situation:
2341          *
2342          *  -  Either we are a DC (selfjoined) and the domain is our
2343          *     own domain.
2344          *  -  Or we are on a member and the domain is our own or some
2345          *     other (potentially trusted) domain.
2346          *
2347          * In both cases, we can only get the machine account password
2348          * for our own domain to connect to our own dc. (For a member,
2349          * request to trusted domains are performed through our dc.)
2350          *
2351          * So we simply use our own domain name to retrieve the
2352          * machine account passowrd and ignore the request domain here.
2353          */
2354
2355         pwd = secrets_fetch_machine_password(lp_workgroup(), &last_set_time, channel);
2356
2357         if (pwd != NULL) {
2358                 *ret_pwd = pwd;
2359                 if (account_name != NULL) {
2360                         *account_name = lp_netbios_name();
2361                 }
2362
2363                 return true;
2364         }
2365
2366         DEBUG(5, ("get_trust_pw_clear: could not fetch clear text trust "
2367                   "account password for domain %s\n", domain));
2368         return false;
2369 }
2370
2371 /*******************************************************************
2372  Wrapper around retrieving the trust account password.
2373  appropriate account name is stored in account_name.
2374 *******************************************************************/
2375
2376 bool get_trust_pw_hash(const char *domain, uint8_t ret_pwd[16],
2377                        const char **account_name,
2378                        enum netr_SchannelType *channel)
2379 {
2380         char *pwd = NULL;
2381         time_t last_set_time;
2382
2383         if (get_trust_pw_clear(domain, &pwd, account_name, channel)) {
2384                 E_md4hash(pwd, ret_pwd);
2385                 SAFE_FREE(pwd);
2386                 return true;
2387         } else if (is_dc_trusted_domain_situation(domain)) {
2388                 return false;
2389         }
2390
2391         /* as a fallback, try to get the hashed pwd directly from the tdb... */
2392
2393         if (secrets_fetch_trust_account_password_legacy(domain, ret_pwd,
2394                                                         &last_set_time,
2395                                                         channel))
2396         {
2397                 if (account_name != NULL) {
2398                         *account_name = lp_netbios_name();
2399                 }
2400
2401                 return true;
2402         }
2403
2404         DEBUG(5, ("get_trust_pw_hash: could not fetch trust account "
2405                 "password for domain %s\n", domain));
2406         return False;
2407 }