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          2000-2001
   7    Copyright (C) Andrew Bartlett                2001-2002
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25
  26 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_PASSDB
  28
  29 /*
  30  * This is set on startup - it defines the SID for this
  31  * machine, and therefore the SAM database for which it is
  32  * responsible.
  33  */
  34
  35 extern pstring global_myname;
  36
  37 /************************************************************
  38  Fill the SAM_ACCOUNT with default values.
  39  ***********************************************************/
  40
  41 static void pdb_fill_default_sam(SAM_ACCOUNT *user)
  42 {
  43         ZERO_STRUCT(user->private); /* Don't touch the talloc context */
  44
  45         /* Don't change these timestamp settings without a good reason.
  46            They are important for NT member server compatibility. */
  47
  48         user->private.init_flag             = FLAG_SAM_UNINIT;
  49         user->private.uid = user->private.gid       = -1;
  50
  51         user->private.logon_time            = (time_t)0;
  52         user->private.pass_last_set_time    = (time_t)0;
  53         user->private.pass_can_change_time  = (time_t)0;
  54         user->private.logoff_time           =
  55         user->private.kickoff_time          =
  56         user->private.pass_must_change_time = get_time_t_max();
  57         user->private.unknown_3 = 0x00ffffff;   /* don't know */
  58         user->private.logon_divs = 168;         /* hours per week */
  59         user->private.hours_len = 21;           /* 21 times 8 bits = 168 */
  60         memset(user->private.hours, 0xff, user->private.hours_len); /* available at all hours */
  61         user->private.unknown_5 = 0x00000000; /* don't know */
  62         user->private.unknown_6 = 0x000004ec; /* don't know */
  63
  64         /* Some parts of samba strlen their pdb_get...() returns,
  65            so this keeps the interface unchanged for now. */
  66
  67         user->private.username = "";
  68         user->private.domain = "";
  69         user->private.nt_username = "";
  70         user->private.full_name = "";
  71         user->private.home_dir = "";
  72         user->private.logon_script = "";
  73         user->private.profile_path = "";
  74         user->private.acct_desc = "";
  75         user->private.workstations = "";
  76         user->private.unknown_str = "";
  77         user->private.munged_dial = "";
  78 }
  79
  80 static void destroy_pdb_talloc(SAM_ACCOUNT **user)
  81 {
  82         if (*user) {
  83                 talloc_destroy((*user)->mem_ctx);
  84                 *user = NULL;
  85         }
  86 }
  87
  88
  89 /**********************************************************************
  90  Alloc memory and initialises a struct sam_passwd on supplied mem_ctx.
  91 ***********************************************************************/
  92
  93 NTSTATUS pdb_init_sam_talloc(TALLOC_CTX *mem_ctx, SAM_ACCOUNT **user)
  94 {
  95         if (*user != NULL) {
  96                 DEBUG(0,("pdb_init_sam: SAM_ACCOUNT was non NULL\n"));
  97 #if 0
  98                 smb_panic("non-NULL pointer passed to pdb_init_sam\n");
  99 #endif
 100                 return NT_STATUS_UNSUCCESSFUL;
 101         }
 102
 103         if (!mem_ctx) {
 104                 DEBUG(0,("pdb_init_sam_talloc: mem_ctx was NULL!\n"));
 105                 return NT_STATUS_UNSUCCESSFUL;
 106         }
 107
 108         *user=(SAM_ACCOUNT *)talloc(mem_ctx, sizeof(SAM_ACCOUNT));
 109
 110         if (*user==NULL) {
 111                 DEBUG(0,("pdb_init_sam: error while allocating memory\n"));
 112                 return NT_STATUS_NO_MEMORY;
 113         }
 114
 115         (*user)->mem_ctx = mem_ctx;
 116
 117         (*user)->free_fn = NULL;
 118
 119         pdb_fill_default_sam(*user);
 120
 121         return NT_STATUS_OK;
 122 }
 123
 124
 125 /*************************************************************
 126  Alloc memory and initialises a struct sam_passwd.
 127  ************************************************************/
 128
 129 NTSTATUS pdb_init_sam(SAM_ACCOUNT **user)
 130 {
 131         TALLOC_CTX *mem_ctx;
 132         NTSTATUS nt_status;
 133
 134         mem_ctx = talloc_init_named("passdb internal SAM_ACCOUNT allocation");
 135
 136         if (!mem_ctx) {
 137                 DEBUG(0,("pdb_init_sam: error while doing talloc_init()\n"));
 138                 return NT_STATUS_NO_MEMORY;
 139         }
 140
 141         if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(mem_ctx, user))) {
 142                 talloc_destroy(mem_ctx);
 143                 return nt_status;
 144         }
 145
 146         (*user)->free_fn = destroy_pdb_talloc;
 147
 148         return NT_STATUS_OK;
 149 }
 150
 151
 152 /*************************************************************
 153  Initialises a struct sam_passwd with sane values.
 154  ************************************************************/
 155
 156 NTSTATUS pdb_fill_sam_pw(SAM_ACCOUNT *sam_account, const struct passwd *pwd)
 157 {
 158         GROUP_MAP map;
 159         uint32 rid;
 160
 161         if (!pwd) {
 162                 return NT_STATUS_UNSUCCESSFUL;
 163         }
 164
 165         pdb_fill_default_sam(sam_account);
 166
 167         pdb_set_username(sam_account, pwd->pw_name);
 168         pdb_set_fullname(sam_account, pwd->pw_gecos);
 169
 170         pdb_set_unix_homedir(sam_account, pwd->pw_dir);
 171
 172         pdb_set_domain (sam_account, lp_workgroup());
 173
 174         pdb_set_uid(sam_account, pwd->pw_uid);
 175         pdb_set_gid(sam_account, pwd->pw_gid);
 176
 177         /* When we get a proper uid -> SID and SID -> uid allocation
 178            mechinism, we should call it here.
 179
 180            We can't just set this to 0 or allow it only to be filled
 181            in when added to the backend, becouse the user's SID
 182            may already be in security descriptors etc.
 183
 184            -- abartlet 11-May-02
 185         */
 186
 187         pdb_set_user_rid(sam_account,
 188                          fallback_pdb_uid_to_user_rid(pwd->pw_uid));
 189
 190         /* call the mapping code here */
 191         if(get_group_map_from_gid(pwd->pw_gid, &map, MAPPING_WITHOUT_PRIV)) {
 192                 sid_peek_rid(&map.sid, &rid);
 193         }
 194         else {
 195                 rid=pdb_gid_to_group_rid(pwd->pw_gid);
 196         }
 197
 198         pdb_set_group_rid(sam_account, rid);
 199
 200         /* check if this is a user account or a machine account */
 201         if (pwd->pw_name[strlen(pwd->pw_name)-1] != '$')
 202         {
 203                 pdb_set_profile_path(sam_account,
 204                                      standard_sub_specified((sam_account)->mem_ctx,
 205                                                             lp_logon_path(),
 206                                                             pwd->pw_name, global_myname,
 207                                                             pwd->pw_uid, pwd->pw_gid),
 208                                      False);
 209
 210                 pdb_set_homedir(sam_account,
 211                                 standard_sub_specified((sam_account)->mem_ctx,
 212                                                        lp_logon_home(),
 213                                                        pwd->pw_name, global_myname,
 214                                                        pwd->pw_uid, pwd->pw_gid),
 215                                 False);
 216
 217                 pdb_set_dir_drive(sam_account,
 218                                   standard_sub_specified((sam_account)->mem_ctx,
 219                                                          lp_logon_drive(),
 220                                                          pwd->pw_name, global_myname,
 221                                                          pwd->pw_uid, pwd->pw_gid),
 222                                   False);
 223
 224                 pdb_set_logon_script(sam_account,
 225                                      standard_sub_specified((sam_account)->mem_ctx,
 226                                                             lp_logon_script(),
 227                                                             pwd->pw_name, global_myname,
 228                                                             pwd->pw_uid, pwd->pw_gid),
 229                                      False);
 230         }
 231         return NT_STATUS_OK;
 232 }
 233
 234
 235 /*************************************************************
 236  Initialises a struct sam_passwd with sane values.
 237  ************************************************************/
 238
 239 NTSTATUS pdb_init_sam_pw(SAM_ACCOUNT **new_sam_acct, const struct passwd *pwd)
 240 {
 241         NTSTATUS nt_status;
 242
 243         if (!pwd) {
 244                 new_sam_acct = NULL;
 245                 return NT_STATUS_UNSUCCESSFUL;
 246         }
 247
 248         if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(new_sam_acct))) {
 249                 new_sam_acct = NULL;
 250                 return nt_status;
 251         }
 252
 253         if (!NT_STATUS_IS_OK(nt_status = pdb_fill_sam_pw(*new_sam_acct, pwd))) {
 254                 pdb_free_sam(new_sam_acct);
 255                 new_sam_acct = NULL;
 256                 return nt_status;
 257         }
 258
 259         return NT_STATUS_OK;
 260 }
 261
 262
 263 /**
 264  * Free the contets of the SAM_ACCOUNT, but not the structure.
 265  *
 266  * Also wipes the LM and NT hashes and plaintext passwrod from
 267  * memory.
 268  *
 269  * @param user SAM_ACCOUNT to free members of.
 270  **/
 271
 272 static void pdb_free_sam_contents(SAM_ACCOUNT *user)
 273 {
 274
 275         /* Kill off sensitive data.  Free()ed by the
 276            talloc mechinism */
 277
 278         data_blob_clear_free(&(user->private.lm_pw));
 279         data_blob_clear_free(&(user->private.nt_pw));
 280         data_blob_clear_free(&(user->private.plaintext_pw));
 281 }
 282
 283
 284 /************************************************************
 285  Reset the SAM_ACCOUNT and free the NT/LM hashes.
 286  ***********************************************************/
 287
 288 NTSTATUS pdb_reset_sam(SAM_ACCOUNT *user)
 289 {
 290         if (user == NULL) {
 291                 DEBUG(0,("pdb_reset_sam: SAM_ACCOUNT was NULL\n"));
 292 #if 0
 293                 smb_panic("NULL pointer passed to pdb_free_sam\n");
 294 #endif
 295                 return NT_STATUS_UNSUCCESSFUL;
 296         }
 297
 298         pdb_free_sam_contents(user);
 299
 300         pdb_fill_default_sam(user);
 301
 302         return NT_STATUS_OK;
 303 }
 304
 305
 306 /************************************************************
 307  Free the SAM_ACCOUNT and the member pointers.
 308  ***********************************************************/
 309
 310 NTSTATUS pdb_free_sam(SAM_ACCOUNT **user)
 311 {
 312         if (*user == NULL) {
 313                 DEBUG(0,("pdb_free_sam: SAM_ACCOUNT was NULL\n"));
 314 #if 0
 315                 smb_panic("NULL pointer passed to pdb_free_sam\n");
 316 #endif
 317                 return NT_STATUS_UNSUCCESSFUL;
 318         }
 319
 320         pdb_free_sam_contents(*user);
 321
 322         if ((*user)->free_fn) {
 323                 (*user)->free_fn(user);
 324         }
 325
 326         return NT_STATUS_OK;
 327 }
 328
 329
 330 /**********************************************************
 331  Encode the account control bits into a string.
 332  length = length of string to encode into (including terminating
 333  null). length *MUST BE MORE THAN 2* !
 334  **********************************************************/
 335
 336 char *pdb_encode_acct_ctrl(uint16 acct_ctrl, size_t length)
 337 {
 338         static fstring acct_str;
 339         size_t i = 0;
 340
 341         acct_str[i++] = '[';
 342
 343         if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
 344         if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
 345         if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
 346         if (acct_ctrl & ACB_TEMPDUP  ) acct_str[i++] = 'T';
 347         if (acct_ctrl & ACB_NORMAL   ) acct_str[i++] = 'U';
 348         if (acct_ctrl & ACB_MNS      ) acct_str[i++] = 'M';
 349         if (acct_ctrl & ACB_WSTRUST  ) acct_str[i++] = 'W';
 350         if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
 351         if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
 352         if (acct_ctrl & ACB_PWNOEXP  ) acct_str[i++] = 'X';
 353         if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
 354
 355         for ( ; i < length - 2 ; i++ )
 356                 acct_str[i] = ' ';
 357
 358         i = length - 2;
 359         acct_str[i++] = ']';
 360         acct_str[i++] = '\0';
 361
 362         return acct_str;
 363 }
 364
 365 /**********************************************************
 366  Decode the account control bits from a string.
 367  **********************************************************/
 368
 369 uint16 pdb_decode_acct_ctrl(const char *p)
 370 {
 371         uint16 acct_ctrl = 0;
 372         BOOL finished = False;
 373
 374         /*
 375          * Check if the account type bits have been encoded after the
 376          * NT password (in the form [NDHTUWSLXI]).
 377          */
 378
 379         if (*p != '[')
 380                 return 0;
 381
 382         for (p++; *p && !finished; p++) {
 383                 switch (*p) {
 384                         case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
 385                         case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
 386                         case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
 387                         case 'T': { acct_ctrl |= ACB_TEMPDUP  ; break; /* 'T'emp account. */ }
 388                         case 'U': { acct_ctrl |= ACB_NORMAL   ; break; /* 'U'ser account (normal). */ }
 389                         case 'M': { acct_ctrl |= ACB_MNS      ; break; /* 'M'NS logon user account. What is this ? */ }
 390                         case 'W': { acct_ctrl |= ACB_WSTRUST  ; break; /* 'W'orkstation account. */ }
 391                         case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
 392                         case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
 393                         case 'X': { acct_ctrl |= ACB_PWNOEXP  ; break; /* No 'X'piry on password */ }
 394                         case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
 395             case ' ': { break; }
 396                         case ':':
 397                         case '\n':
 398                         case '\0':
 399                         case ']':
 400                         default:  { finished = True; }
 401                 }
 402         }
 403
 404         return acct_ctrl;
 405 }
 406
 407 /*************************************************************
 408  Routine to set 32 hex password characters from a 16 byte array.
 409 **************************************************************/
 410
 411 void pdb_sethexpwd(char *p, const unsigned char *pwd, uint16 acct_ctrl)
 412 {
 413         if (pwd != NULL) {
 414                 int i;
 415                 for (i = 0; i < 16; i++)
 416                         slprintf(&p[i*2], 3, "%02X", pwd[i]);
 417         } else {
 418                 if (acct_ctrl & ACB_PWNOTREQ)
 419                         safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
 420                 else
 421                         safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
 422         }
 423 }
 424
 425 /*************************************************************
 426  Routine to get the 32 hex characters and turn them
 427  into a 16 byte array.
 428 **************************************************************/
 429
 430 BOOL pdb_gethexpwd(const char *p, unsigned char *pwd)
 431 {
 432         int i;
 433         unsigned char   lonybble, hinybble;
 434         char           *hexchars = "0123456789ABCDEF";
 435         char           *p1, *p2;
 436
 437         if (!p)
 438                 return (False);
 439
 440         for (i = 0; i < 32; i += 2) {
 441                 hinybble = toupper(p[i]);
 442                 lonybble = toupper(p[i + 1]);
 443
 444                 p1 = strchr(hexchars, hinybble);
 445                 p2 = strchr(hexchars, lonybble);
 446
 447                 if (!p1 || !p2)
 448                         return (False);
 449
 450                 hinybble = PTR_DIFF(p1, hexchars);
 451                 lonybble = PTR_DIFF(p2, hexchars);
 452
 453                 pwd[i / 2] = (hinybble << 4) | lonybble;
 454         }
 455         return (True);
 456 }
 457
 458 #if 0 /* seem it is not used by anyone */
 459 /*******************************************************************
 460  Group and User RID username mapping function
 461  ********************************************************************/
 462
 463 BOOL pdb_name_to_rid(const char *user_name, uint32 *u_rid, uint32 *g_rid)
 464 {
 465         GROUP_MAP map;
 466         struct passwd *pw = Get_Pwnam(user_name);
 467
 468         if (u_rid == NULL || g_rid == NULL || user_name == NULL)
 469                 return False;
 470
 471         if (!pw) {
 472                 DEBUG(1,("Username %s is invalid on this system\n", user_name));
 473                 return False;
 474         }
 475
 476         /* turn the unix UID into a Domain RID.  this is what the posix
 477            sub-system does (adds 1000 to the uid) */
 478         *u_rid = fallback_pdb_uid_to_user_rid(pw->pw_uid);
 479
 480         /* absolutely no idea what to do about the unix GID to Domain RID mapping */
 481         /* map it ! */
 482         if (get_group_map_from_gid(pw->pw_gid, &map, MAPPING_WITHOUT_PRIV)) {
 483                 sid_peek_rid(&map.sid, g_rid);
 484         } else
 485                 *g_rid = pdb_gid_to_group_rid(pw->pw_gid);
 486
 487         return True;
 488 }
 489 #endif /* seem it is not used by anyone */
 490
 491 /*******************************************************************
 492  Converts NT user RID to a UNIX uid.
 493  ********************************************************************/
 494
 495 uid_t fallback_pdb_user_rid_to_uid(uint32 user_rid)
 496 {
 497         int rid_offset = lp_algorithmic_rid_base();
 498         return (uid_t)(((user_rid & (~USER_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
 499 }
 500
 501
 502 /*******************************************************************
 503  converts UNIX uid to an NT User RID.
 504  ********************************************************************/
 505
 506 uint32 fallback_pdb_uid_to_user_rid(uid_t uid)
 507 {
 508         int rid_offset = lp_algorithmic_rid_base();
 509         return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
 510 }
 511
 512 /*******************************************************************
 513  Converts NT group RID to a UNIX gid.
 514  ********************************************************************/
 515
 516 gid_t pdb_group_rid_to_gid(uint32 group_rid)
 517 {
 518         int rid_offset = lp_algorithmic_rid_base();
 519         return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
 520 }
 521
 522 /*******************************************************************
 523  converts NT Group RID to a UNIX uid.
 524
 525  warning: you must not call that function only
 526  you must do a call to the group mapping first.
 527  there is not anymore a direct link between the gid and the rid.
 528  ********************************************************************/
 529
 530 uint32 pdb_gid_to_group_rid(gid_t gid)
 531 {
 532         int rid_offset = lp_algorithmic_rid_base();
 533         return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
 534 }
 535
 536 /*******************************************************************
 537  Decides if a RID is a well known RID.
 538  ********************************************************************/
 539
 540 static BOOL pdb_rid_is_well_known(uint32 rid)
 541 {
 542         /* Not using rid_offset here, becouse this is the actual
 543            NT fixed value (1000) */
 544
 545         return (rid < BASE_RID);
 546 }
 547
 548 /*******************************************************************
 549  Decides if a RID is a user or group RID.
 550  ********************************************************************/
 551
 552 BOOL pdb_rid_is_user(uint32 rid)
 553 {
 554   /* lkcl i understand that NT attaches an enumeration to a RID
 555    * such that it can be identified as either a user, group etc
 556    * type.  there are 5 such categories, and they are documented.
 557    */
 558    if(pdb_rid_is_well_known(rid)) {
 559       /*
 560        * The only well known user RIDs are DOMAIN_USER_RID_ADMIN
 561        * and DOMAIN_USER_RID_GUEST.
 562        */
 563      if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
 564        return True;
 565    } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
 566      return True;
 567    }
 568    return False;
 569 }
 570
 571 /*******************************************************************
 572  Convert a rid into a name. Used in the lookup SID rpc.
 573  ********************************************************************/
 574
 575 BOOL local_lookup_sid(DOM_SID *sid, char *name, enum SID_NAME_USE *psid_name_use)
 576 {
 577         uint32 rid;
 578         SAM_ACCOUNT *sam_account = NULL;
 579         GROUP_MAP map;
 580
 581         sid_peek_rid(sid, &rid);
 582         *psid_name_use = SID_NAME_UNKNOWN;
 583
 584         DEBUG(5,("local_lookup_sid: looking up RID %u.\n", (unsigned int)rid));
 585
 586         if (rid == DOMAIN_USER_RID_ADMIN) {
 587                 char **admin_list = lp_admin_users(-1);
 588                 *psid_name_use = SID_NAME_USER;
 589                 if (admin_list) {
 590                         char *p = *admin_list;
 591                         if(!next_token(&p, name, NULL, sizeof(fstring)))
 592                                 fstrcpy(name, "Administrator");
 593                 } else {
 594                         fstrcpy(name, "Administrator");
 595                 }
 596                 return True;
 597
 598         } else if (rid == DOMAIN_USER_RID_GUEST) {
 599                 char *p = lp_guestaccount();
 600                 *psid_name_use = SID_NAME_USER;
 601                 if(!next_token(&p, name, NULL, sizeof(fstring)))
 602                         fstrcpy(name, "Guest");
 603                 return True;
 604
 605         }
 606
 607         /*
 608          * Don't try to convert the rid to a name if
 609          * running in appliance mode
 610          */
 611
 612         if (lp_hide_local_users())
 613                 return False;
 614
 615         if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_account))) {
 616                 return False;
 617         }
 618
 619         /* This now does the 'generic' mapping in pdb_unix */
 620         if (pdb_getsampwsid(sam_account, sid)) {
 621                 fstrcpy(name, pdb_get_username(sam_account));
 622                 *psid_name_use = SID_NAME_USER;
 623
 624                 pdb_free_sam(&sam_account);
 625
 626                 return True;
 627         }
 628
 629         pdb_free_sam(&sam_account);
 630
 631         if (get_group_map_from_sid(*sid, &map, MAPPING_WITHOUT_PRIV)) {
 632                 if (map.gid!=-1) {
 633                         DEBUG(5,("local_lookup_sid: mapped group %s to gid %u\n", map.nt_name, (unsigned int)map.gid));
 634                 } else {
 635                         DEBUG(5,("local_lookup_sid: mapped group %s to no unix gid.  Returning name.\n", map.nt_name));
 636                 }
 637
 638                 fstrcpy(name, map.nt_name);
 639                 *psid_name_use = map.sid_name_use;
 640                 return True;
 641         }
 642
 643         if (pdb_rid_is_user(rid)) {
 644                 uid_t uid;
 645
 646                 DEBUG(5, ("assuming RID %u is a user\n", (unsigned)rid));
 647
 648                 uid = fallback_pdb_user_rid_to_uid(rid);
 649                 slprintf(name, sizeof(fstring)-1, "unix_user.%u", (unsigned int)uid);
 650
 651                 return False;  /* Indicates that this user was 'not mapped' */
 652         } else {
 653                 gid_t gid;
 654                 struct group *gr;
 655
 656                 DEBUG(5, ("assuming RID %u is a group\n", (unsigned)rid));
 657
 658                 gid = pdb_group_rid_to_gid(rid);
 659                 gr = getgrgid(gid);
 660
 661                 *psid_name_use = SID_NAME_ALIAS;
 662
 663                 DEBUG(5,("local_lookup_sid: looking up gid %u %s\n", (unsigned int)gid,
 664                          gr ? "succeeded" : "failed" ));
 665
 666                 if(!gr) {
 667                         slprintf(name, sizeof(fstring)-1, "unix_group.%u", (unsigned int)gid);
 668                         return False; /* Indicates that this group was 'not mapped' */
 669                 }
 670
 671                 fstrcpy( name, gr->gr_name);
 672
 673                 DEBUG(5,("local_lookup_sid: found group %s for rid %u\n", name,
 674                          (unsigned int)rid ));
 675                 return True;
 676         }
 677 }
 678
 679 /*******************************************************************
 680  Convert a name into a SID. Used in the lookup name rpc.
 681  ********************************************************************/
 682
 683 BOOL local_lookup_name(const char *c_user, DOM_SID *psid, enum SID_NAME_USE *psid_name_use)
 684 {
 685         extern DOM_SID global_sid_World_Domain;
 686         DOM_SID local_sid;
 687         fstring user;
 688         SAM_ACCOUNT *sam_account = NULL;
 689         struct group *grp;
 690         GROUP_MAP map;
 691
 692         *psid_name_use = SID_NAME_UNKNOWN;
 693
 694         /*
 695          * user may be quoted a const string, and map_username and
 696          * friends can modify it. Make a modifiable copy. JRA.
 697          */
 698
 699         fstrcpy(user, c_user);
 700
 701         sid_copy(&local_sid, get_global_sam_sid());
 702
 703         /*
 704          * Special case for MACHINE\Everyone. Map to the world_sid.
 705          */
 706
 707         if(strequal(user, "Everyone")) {
 708                 sid_copy( psid, &global_sid_World_Domain);
 709                 sid_append_rid(psid, 0);
 710                 *psid_name_use = SID_NAME_ALIAS;
 711                 return True;
 712         }
 713
 714         /*
 715          * Don't lookup local unix users if running in appliance mode
 716          */
 717         if (lp_hide_local_users())
 718                 return False;
 719
 720         (void)map_username(user);
 721
 722         if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_account))) {
 723                 return False;
 724         }
 725
 726         if (pdb_getsampwnam(sam_account, user)) {
 727                 sid_append_rid( &local_sid, pdb_get_user_rid(sam_account));
 728                 *psid_name_use = SID_NAME_USER;
 729
 730                 sid_copy( psid, &local_sid);
 731                 pdb_free_sam(&sam_account);
 732                 return True;
 733         }
 734
 735         pdb_free_sam(&sam_account);
 736
 737         /*
 738          * Maybe it was a group ?
 739          */
 740
 741         /* check if it's a mapped group */
 742         if (get_group_map_from_ntname(user, &map, MAPPING_WITHOUT_PRIV)) {
 743                 if (map.gid!=-1) {
 744                         /* yes it's a mapped group to a valid unix group */
 745                         sid_copy(&local_sid, &map.sid);
 746                         *psid_name_use = map.sid_name_use;
 747                 }
 748                 else {
 749                         /* it's a correct name but not mapped so it points to nothing*/
 750                         return False;
 751                 }
 752         } else {
 753                 /* it's not a mapped group */
 754                 grp = getgrnam(user);
 755                 if(!grp)
 756                         return False;
 757
 758                 /*
 759                  *check if it's mapped, if it is reply it doesn't exist
 760                  *
 761                  * that's to prevent this case:
 762                  *
 763                  * unix group ug is mapped to nt group ng
 764                  * someone does a lookup on ug
 765                  * we must not reply as it doesn't "exist" anymore
 766                  * for NT. For NT only ng exists.
 767                  * JFM, 30/11/2001
 768                  */
 769
 770                 if (get_group_map_from_gid(grp->gr_gid, &map, MAPPING_WITHOUT_PRIV)){
 771                         return False;
 772                 }
 773
 774                 sid_append_rid( &local_sid, pdb_gid_to_group_rid(grp->gr_gid));
 775                 *psid_name_use = SID_NAME_ALIAS;
 776         }
 777
 778         sid_copy( psid, &local_sid);
 779
 780         return True;
 781 }
 782
 783 /****************************************************************************
 784  Convert a uid to SID - locally.
 785 ****************************************************************************/
 786
 787 DOM_SID *local_uid_to_sid(DOM_SID *psid, uid_t uid)
 788 {
 789         struct passwd *pass;
 790         SAM_ACCOUNT *sam_user = NULL;
 791         fstring str; /* sid string buffer */
 792
 793         sid_copy(psid, get_global_sam_sid());
 794
 795         if((pass = getpwuid_alloc(uid))) {
 796
 797                 if (NT_STATUS_IS_ERR(pdb_init_sam(&sam_user))) {
 798                         passwd_free(&pass);
 799                         return NULL;
 800                 }
 801
 802                 if (pdb_getsampwnam(sam_user, pass->pw_name)) {
 803                         sid_append_rid(psid, pdb_get_user_rid(sam_user));
 804                 } else {
 805                         sid_append_rid(psid, fallback_pdb_uid_to_user_rid(uid));
 806                 }
 807
 808                 DEBUG(10,("local_uid_to_sid: uid %u -> SID (%s) (%s).\n",
 809                           (unsigned)uid, sid_to_string( str, psid),
 810                           pass->pw_name ));
 811
 812                 passwd_free(&pass);
 813                 pdb_free_sam(&sam_user);
 814
 815         } else {
 816                 sid_append_rid(psid, fallback_pdb_uid_to_user_rid(uid));
 817
 818                 DEBUG(10,("local_uid_to_sid: uid %u -> SID (%s) (unknown user).\n",
 819                           (unsigned)uid, sid_to_string( str, psid)));
 820         }
 821
 822         return psid;
 823 }
 824
 825 /****************************************************************************
 826  Convert a SID to uid - locally.
 827 ****************************************************************************/
 828
 829 BOOL local_sid_to_uid(uid_t *puid, DOM_SID *psid, enum SID_NAME_USE *name_type)
 830 {
 831         DOM_SID dom_sid;
 832         uint32 rid;
 833         fstring str;
 834         SAM_ACCOUNT *sam_user = NULL;
 835
 836         *name_type = SID_NAME_UNKNOWN;
 837
 838         sid_copy(&dom_sid, psid);
 839         sid_split_rid(&dom_sid, &rid);
 840
 841         /*
 842          * We can only convert to a uid if this is our local
 843          * Domain SID (ie. we are the controling authority).
 844          */
 845         if (!sid_equal(get_global_sam_sid(), &dom_sid))
 846                 return False;
 847
 848         if (NT_STATUS_IS_ERR(pdb_init_sam(&sam_user)))
 849                 return False;
 850
 851         if (pdb_getsampwsid(sam_user, psid)) {
 852                 *puid = pdb_get_uid(sam_user);
 853                 if (*puid == -1) {
 854                         pdb_free_sam(&sam_user);
 855                         return False;
 856                 }
 857                 DEBUG(10,("local_sid_to_uid: SID %s -> uid (%u) (%s).\n", sid_to_string( str, psid),
 858                           (unsigned int)*puid, pdb_get_username(sam_user)));
 859         } else {
 860                 DEBUG(5,("local_sid_to_uid: SID %s not mapped becouse RID was not found in passdb.\n", sid_to_string( str, psid)));
 861                 pdb_free_sam(&sam_user);
 862                 return False;
 863         }
 864         pdb_free_sam(&sam_user);
 865
 866         *name_type = SID_NAME_USER;
 867
 868         return True;
 869 }
 870
 871 /****************************************************************************
 872  Convert a gid to SID - locally.
 873 ****************************************************************************/
 874
 875 DOM_SID *local_gid_to_sid(DOM_SID *psid, gid_t gid)
 876 {
 877         GROUP_MAP map;
 878
 879         sid_copy(psid, get_global_sam_sid());
 880
 881         if (get_group_map_from_gid(gid, &map, MAPPING_WITHOUT_PRIV)) {
 882                 sid_copy(psid, &map.sid);
 883         }
 884         else {
 885                 sid_append_rid(psid, pdb_gid_to_group_rid(gid));
 886         }
 887
 888         return psid;
 889 }
 890
 891 /****************************************************************************
 892  Convert a SID to gid - locally.
 893 ****************************************************************************/
 894
 895 BOOL local_sid_to_gid(gid_t *pgid, DOM_SID *psid, enum SID_NAME_USE *name_type)
 896 {
 897         DOM_SID dom_sid;
 898         uint32 rid;
 899         fstring str;
 900         GROUP_MAP map;
 901
 902         *name_type = SID_NAME_UNKNOWN;
 903
 904         sid_copy(&dom_sid, psid);
 905         sid_split_rid(&dom_sid, &rid);
 906
 907         /*
 908          * We can only convert to a gid if this is our local
 909          * Domain SID (ie. we are the controling authority).
 910          *
 911          * Or in the Builtin SID too. JFM, 11/30/2001
 912          */
 913
 914         if (!sid_equal(get_global_sam_sid(), &dom_sid))
 915                 return False;
 916
 917         if (get_group_map_from_sid(*psid, &map, MAPPING_WITHOUT_PRIV)) {
 918
 919                 /* the SID is in the mapping table but not mapped */
 920                 if (map.gid==-1)
 921                         return False;
 922
 923                 sid_peek_rid(&map.sid, &rid);
 924                 *pgid = map.gid;
 925                 *name_type = map.sid_name_use;
 926                 DEBUG(10,("local_sid_to_gid: mapped SID %s (%s) -> gid (%u).\n", sid_to_string( str, psid),
 927                           map.nt_name, (unsigned int)*pgid));
 928
 929         } else {
 930                 if (pdb_rid_is_user(rid))
 931                         return False;
 932
 933                 *pgid = pdb_group_rid_to_gid(rid);
 934                 *name_type = SID_NAME_ALIAS;
 935                 DEBUG(10,("local_sid_to_gid: SID %s -> gid (%u).\n", sid_to_string( str, psid),
 936                           (unsigned int)*pgid));
 937         }
 938
 939         return True;
 940 }
 941
 942 /**
 943  * Quick hack to do an easy ucs2 -> mulitbyte conversion
 944  * @return static buffer containing the converted string
 945  **/
 946
 947 const char *pdb_unistr2_convert(const UNISTR2 *from)
 948 {
 949         static pstring convert_buffer;
 950         *convert_buffer = 0;
 951         if (!from) {
 952                 return convert_buffer;
 953         }
 954
 955         unistr2_to_ascii(convert_buffer, from, sizeof(pstring));
 956         return convert_buffer;
 957 }
 958
 959 /*************************************************************
 960  Copies a SAM_USER_INFO_23 to a SAM_ACCOUNT
 961  **************************************************************/
 962
 963 void copy_id23_to_sam_passwd(SAM_ACCOUNT *to, SAM_USER_INFO_23 *from)
 964 {
 965
 966         if (from == NULL || to == NULL)
 967                 return;
 968
 969         pdb_set_logon_time(to,nt_time_to_unix(&from->logon_time), True);
 970         pdb_set_logoff_time(to,nt_time_to_unix(&from->logoff_time), True);
 971         pdb_set_kickoff_time(to, nt_time_to_unix(&from->kickoff_time), True);
 972         pdb_set_pass_can_change_time(to, nt_time_to_unix(&from->pass_can_change_time), True);
 973         pdb_set_pass_must_change_time(to, nt_time_to_unix(&from->pass_must_change_time), True);
 974
 975         pdb_set_pass_last_set_time(to, nt_time_to_unix(&from->pass_last_set_time));
 976
 977         if (from->uni_user_name.buffer)
 978                 pdb_set_username(to      , pdb_unistr2_convert(&from->uni_user_name   ));
 979         if (from->uni_full_name.buffer)
 980                 pdb_set_fullname(to      , pdb_unistr2_convert(&from->uni_full_name   ));
 981         if (from->uni_home_dir.buffer)
 982                 pdb_set_homedir(to       , pdb_unistr2_convert(&from->uni_home_dir    ), True);
 983         if (from->uni_dir_drive.buffer)
 984                 pdb_set_dir_drive(to     , pdb_unistr2_convert(&from->uni_dir_drive   ), True);
 985         if (from->uni_logon_script.buffer)
 986                 pdb_set_logon_script(to  , pdb_unistr2_convert(&from->uni_logon_script), True);
 987         if (from->uni_profile_path.buffer)
 988                 pdb_set_profile_path(to  , pdb_unistr2_convert(&from->uni_profile_path), True);
 989         if (from->uni_acct_desc.buffer)
 990                 pdb_set_acct_desc(to     , pdb_unistr2_convert(&from->uni_acct_desc   ));
 991         if (from->uni_workstations.buffer)
 992                 pdb_set_workstations(to  , pdb_unistr2_convert(&from->uni_workstations));
 993         if (from->uni_unknown_str.buffer)
 994                 pdb_set_unknown_str(to   , pdb_unistr2_convert(&from->uni_unknown_str ));
 995         if (from->uni_munged_dial.buffer)
 996                 pdb_set_munged_dial(to   , pdb_unistr2_convert(&from->uni_munged_dial ));
 997
 998         if (from->user_rid)
 999                 pdb_set_user_rid(to, from->user_rid);
1000         if (from->group_rid)
1001                 pdb_set_group_rid(to, from->group_rid);
1002
1003         pdb_set_acct_ctrl(to, from->acb_info);
1004         pdb_set_unknown_3(to, from->unknown_3);
1005
1006         pdb_set_logon_divs(to, from->logon_divs);
1007         pdb_set_hours_len(to, from->logon_hrs.len);
1008         pdb_set_hours(to, from->logon_hrs.hours);
1009
1010         pdb_set_unknown_5(to, from->unknown_5);
1011         pdb_set_unknown_6(to, from->unknown_6);
1012 }
1013
1014
1015 /*************************************************************
1016  Copies a sam passwd.
1017  **************************************************************/
1018
1019 void copy_id21_to_sam_passwd(SAM_ACCOUNT *to, SAM_USER_INFO_21 *from)
1020 {
1021         if (from == NULL || to == NULL)
1022                 return;
1023
1024         pdb_set_logon_time(to,nt_time_to_unix(&from->logon_time), True);
1025         pdb_set_logoff_time(to,nt_time_to_unix(&from->logoff_time), True);
1026         pdb_set_kickoff_time(to, nt_time_to_unix(&from->kickoff_time), True);
1027         pdb_set_pass_can_change_time(to, nt_time_to_unix(&from->pass_can_change_time), True);
1028         pdb_set_pass_must_change_time(to, nt_time_to_unix(&from->pass_must_change_time), True);
1029
1030         pdb_set_pass_last_set_time(to, nt_time_to_unix(&from->pass_last_set_time));
1031
1032         if (from->uni_user_name.buffer)
1033                 pdb_set_username(to      , pdb_unistr2_convert(&from->uni_user_name   ));
1034         if (from->uni_full_name.buffer)
1035                 pdb_set_fullname(to      , pdb_unistr2_convert(&from->uni_full_name   ));
1036         if (from->uni_home_dir.buffer)
1037                 pdb_set_homedir(to       , pdb_unistr2_convert(&from->uni_home_dir    ), True);
1038         if (from->uni_dir_drive.buffer)
1039                 pdb_set_dir_drive(to     , pdb_unistr2_convert(&from->uni_dir_drive   ), True);
1040         if (from->uni_logon_script.buffer)
1041                 pdb_set_logon_script(to  , pdb_unistr2_convert(&from->uni_logon_script), True);
1042         if (from->uni_profile_path.buffer)
1043                 pdb_set_profile_path(to  , pdb_unistr2_convert(&from->uni_profile_path), True);
1044         if (from->uni_acct_desc.buffer)
1045                 pdb_set_acct_desc(to     , pdb_unistr2_convert(&from->uni_acct_desc   ));
1046         if (from->uni_workstations.buffer)
1047                 pdb_set_workstations(to  , pdb_unistr2_convert(&from->uni_workstations));
1048         if (from->uni_unknown_str.buffer)
1049                 pdb_set_unknown_str(to   , pdb_unistr2_convert(&from->uni_unknown_str ));
1050         if (from->uni_munged_dial.buffer)
1051                 pdb_set_munged_dial(to   , pdb_unistr2_convert(&from->uni_munged_dial ));
1052
1053         if (from->user_rid)
1054                 pdb_set_user_rid(to, from->user_rid);
1055         if (from->group_rid)
1056                 pdb_set_group_rid(to, from->group_rid);
1057
1058         /* FIXME!!  Do we need to copy the passwords here as well?
1059            I don't know.  Need to figure this out   --jerry */
1060
1061         /* Passwords dealt with in caller --abartlet */
1062
1063         pdb_set_acct_ctrl(to, from->acb_info);
1064         pdb_set_unknown_3(to, from->unknown_3);
1065
1066         pdb_set_logon_divs(to, from->logon_divs);
1067         pdb_set_hours_len(to, from->logon_hrs.len);
1068         pdb_set_hours(to, from->logon_hrs.hours);
1069
1070         pdb_set_unknown_5(to, from->unknown_5);
1071         pdb_set_unknown_6(to, from->unknown_6);
1072 }
1073
1074
1075 /*************************************************************
1076  Change a password entry in the local smbpasswd file.
1077
1078  FIXME!!  The function needs to be abstracted into the
1079  passdb interface or something.  It is currently being called
1080  by _api_samr_create_user() in rpc_server/srv_samr.c,
1081  in SWAT and by smbpasswd/pdbedit.
1082
1083  --jerry
1084  *************************************************************/
1085
1086 BOOL local_password_change(const char *user_name, int local_flags,
1087                            const char *new_passwd,
1088                            char *err_str, size_t err_str_len,
1089                            char *msg_str, size_t msg_str_len)
1090 {
1091         struct passwd  *pwd = NULL;
1092         SAM_ACCOUNT     *sam_pass=NULL;
1093
1094         *err_str = '\0';
1095         *msg_str = '\0';
1096
1097         /* Get the smb passwd entry for this user */
1098         pdb_init_sam(&sam_pass);
1099         if(!pdb_getsampwnam(sam_pass, user_name)) {
1100                 pdb_free_sam(&sam_pass);
1101
1102                 if (local_flags & LOCAL_ADD_USER) {
1103                         pwd = getpwnam_alloc(user_name);
1104                 } else if (local_flags & LOCAL_DELETE_USER) {
1105                         /* Might not exist in /etc/passwd */
1106                 } else {
1107                         slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name);
1108                         return False;
1109                 }
1110
1111                 if (pwd) {
1112                         /* Local user found, so init from this */
1113                         if (!NT_STATUS_IS_OK(pdb_init_sam_pw(&sam_pass, pwd))){
1114                                 slprintf(err_str, err_str_len-1, "Failed initialise SAM_ACCOUNT for user %s.\n", user_name);
1115                                 passwd_free(&pwd);
1116                                 return False;
1117                         }
1118
1119                         passwd_free(&pwd);
1120                 } else {
1121                         if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_pass))){
1122                                 slprintf(err_str, err_str_len-1, "Failed initialise SAM_ACCOUNT for user %s.\n", user_name);
1123                                 return False;
1124                         }
1125
1126                         if (!pdb_set_username(sam_pass, user_name)) {
1127                                 slprintf(err_str, err_str_len - 1, "Failed to set username for user %s.\n", user_name);
1128                                 pdb_free_sam(&sam_pass);
1129                                 return False;
1130                         }
1131                 }
1132                 if (local_flags & LOCAL_TRUST_ACCOUNT) {
1133                         if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST)) {
1134                                 slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name);
1135                                 pdb_free_sam(&sam_pass);
1136                                 return False;
1137                         }
1138                 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
1139                         if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST)) {
1140                                 slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name);
1141                                 pdb_free_sam(&sam_pass);
1142                                 return False;
1143                         }
1144                 } else {
1145                         if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL)) {
1146                                 slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name);
1147                                 pdb_free_sam(&sam_pass);
1148                                 return False;
1149                         }
1150                 }
1151
1152         } else {
1153                 /* the entry already existed */
1154                 local_flags &= ~LOCAL_ADD_USER;
1155         }
1156
1157         /*
1158          * We are root - just write the new password
1159          * and the valid last change time.
1160          */
1161
1162         if (local_flags & LOCAL_DISABLE_USER) {
1163                 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED)) {
1164                         slprintf(err_str, err_str_len-1, "Failed to set 'disabled' flag for user %s.\n", user_name);
1165                         pdb_free_sam(&sam_pass);
1166                         return False;
1167                 }
1168         } else if (local_flags & LOCAL_ENABLE_USER) {
1169                 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED))) {
1170                         slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
1171                         pdb_free_sam(&sam_pass);
1172                         return False;
1173                 }
1174         }
1175
1176         if (local_flags & LOCAL_SET_NO_PASSWORD) {
1177                 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ)) {
1178                         slprintf(err_str, err_str_len-1, "Failed to set 'no password required' flag for user %s.\n", user_name);
1179                         pdb_free_sam(&sam_pass);
1180                         return False;
1181                 }
1182         } else if (local_flags & LOCAL_SET_PASSWORD) {
1183                 /*
1184                  * If we're dealing with setting a completely empty user account
1185                  * ie. One with a password of 'XXXX', but not set disabled (like
1186                  * an account created from scratch) then if the old password was
1187                  * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
1188                  * We remove that as we're giving this user their first password
1189                  * and the decision hasn't really been made to disable them (ie.
1190                  * don't create them disabled). JRA.
1191                  */
1192                 if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
1193                         if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED))) {
1194                                 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
1195                                 pdb_free_sam(&sam_pass);
1196                                 return False;
1197                         }
1198                 }
1199                 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ))) {
1200                         slprintf(err_str, err_str_len-1, "Failed to unset 'no password required' flag for user %s.\n", user_name);
1201                         pdb_free_sam(&sam_pass);
1202                         return False;
1203                 }
1204
1205                 if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
1206                         slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name);
1207                         pdb_free_sam(&sam_pass);
1208                         return False;
1209                 }
1210         }
1211
1212         if (local_flags & LOCAL_ADD_USER) {
1213                 if (pdb_add_sam_account(sam_pass)) {
1214                         slprintf(msg_str, msg_str_len-1, "Added user %s.\n", user_name);
1215                         pdb_free_sam(&sam_pass);
1216                         return True;
1217                 } else {
1218                         slprintf(err_str, err_str_len-1, "Failed to add entry for user %s.\n", user_name);
1219                         pdb_free_sam(&sam_pass);
1220                         return False;
1221                 }
1222         } else if (local_flags & LOCAL_DELETE_USER) {
1223                 if (!pdb_delete_sam_account(sam_pass)) {
1224                         slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name);
1225                         pdb_free_sam(&sam_pass);
1226                         return False;
1227                 }
1228                 slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name);
1229         } else {
1230                 if(!pdb_update_sam_account(sam_pass)) {
1231                         slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name);
1232                         pdb_free_sam(&sam_pass);
1233                         return False;
1234                 }
1235                 if(local_flags & LOCAL_DISABLE_USER)
1236                         slprintf(msg_str, msg_str_len-1, "Disabled user %s.\n", user_name);
1237                 else if (local_flags & LOCAL_ENABLE_USER)
1238                         slprintf(msg_str, msg_str_len-1, "Enabled user %s.\n", user_name);
1239                 else if (local_flags & LOCAL_SET_NO_PASSWORD)
1240                         slprintf(msg_str, msg_str_len-1, "User %s password set to none.\n", user_name);
1241         }
1242
1243         pdb_free_sam(&sam_pass);
1244         return True;
1245 }