source/passdb/pdb_tdb.c

   1 /*
   2  * Unix SMB/Netbios implementation. Version 1.9. SMB parameters and setup
   3  * Copyright (C) Andrew Tridgell 1992-1998
   4  * Copyright (C) Simo Sorce 2000
   5  * Copyright (C) Gerald Carter 2000
   6  * Copyright (C) Jeremy Allison 2001
   7  *
   8  * This program is free software; you can redistribute it and/or modify it under
   9  * the terms of the GNU General Public License as published by the Free
  10  * Software Foundation; either version 2 of the License, or (at your option)
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful, but WITHOUT
  14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  16  * more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along with
  19  * this program; if not, write to the Free Software Foundation, Inc., 675
  20  * Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include "includes.h"
  24
  25 #ifdef WITH_TDB_SAM
  26
  27 #define PDB_VERSION             "20010830"
  28 #define PASSDB_FILE_NAME        "passdb.tdb"
  29 #define TDB_FORMAT_STRING       "ddddddBBBBBBBBBBBBddBBwdwdBdd"
  30 #define USERPREFIX              "USER_"
  31 #define RIDPREFIX               "RID_"
  32
  33 extern int              DEBUGLEVEL;
  34 extern pstring          samlogon_user;
  35 extern BOOL             sam_logon_in_ssb;
  36
  37 struct tdb_enum_info {
  38         TDB_CONTEXT     *passwd_tdb;
  39         TDB_DATA        key;
  40 };
  41
  42 static struct tdb_enum_info     global_tdb_ent;
  43 /*static SAM_ACCOUNT            global_sam_pass;*/
  44
  45 /**********************************************************************
  46  Intialize a SAM_ACCOUNT struct from a BYTE buffer of size len
  47  *********************************************************************/
  48
  49 static BOOL init_sam_from_buffer (SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
  50 {
  51
  52         /* times are stored as 32bit integer
  53            take care on system with 64bit wide time_t
  54            --SSS */
  55         uint32  logon_time,
  56                 logoff_time,
  57                 kickoff_time,
  58                 pass_last_set_time,
  59                 pass_can_change_time,
  60                 pass_must_change_time;
  61         char *username;
  62         char *domain;
  63         char *nt_username;
  64         char *dir_drive;
  65         char *unknown_str;
  66         char *munged_dial;
  67         char *fullname;
  68         char *homedir;
  69         char *logon_script;
  70         char *profile_path;
  71         char *acct_desc;
  72         char *workstations;
  73         uint32  username_len, domain_len, nt_username_len,
  74                 dir_drive_len, unknown_str_len, munged_dial_len,
  75                 fullname_len, homedir_len, logon_script_len,
  76                 profile_path_len, acct_desc_len, workstations_len;
  77
  78         uint32  /* uid, gid,*/ user_rid, group_rid, unknown_3, hours_len, unknown_5, unknown_6;
  79         uint16  acct_ctrl, logon_divs;
  80         uint8   *hours;
  81         static uint8    *lm_pw_ptr, *nt_pw_ptr;
  82         uint32          len = 0;
  83         uint32          lmpwlen, ntpwlen, hourslen;
  84         BOOL ret = True;
  85         BOOL setflag;
  86         struct passwd *pw;
  87         uid_t uid;
  88         gid_t gid;
  89
  90         if(sampass == NULL || buf == NULL) {
  91                 DEBUG(0, ("init_sam_from_buffer: NULL parameters found!\n"));
  92                 return False;
  93         }
  94
  95         /* unpack the buffer into variables */
  96         len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING,
  97                 &logon_time,
  98                 &logoff_time,
  99                 &kickoff_time,
 100                 &pass_last_set_time,
 101                 &pass_can_change_time,
 102                 &pass_must_change_time,
 103                 &username_len, &username,
 104                 &domain_len, &domain,
 105                 &nt_username_len, &nt_username,
 106                 &fullname_len, &fullname,
 107                 &homedir_len, &homedir,
 108                 &dir_drive_len, &dir_drive,
 109                 &logon_script_len, &logon_script,
 110                 &profile_path_len, &profile_path,
 111                 &acct_desc_len, &acct_desc,
 112                 &workstations_len, &workstations,
 113                 &unknown_str_len, &unknown_str,
 114                 &munged_dial_len, &munged_dial,
 115                 &user_rid,
 116                 &group_rid,
 117                 &lmpwlen, &lm_pw_ptr,
 118                 &ntpwlen, &nt_pw_ptr,
 119                 &acct_ctrl,
 120                 &unknown_3,
 121                 &logon_divs,
 122                 &hours_len,
 123                 &hourslen, &hours,
 124                 &unknown_5,
 125                 &unknown_6);
 126
 127         if (len == -1)  {
 128                 ret = False;
 129                 goto done;
 130         }
 131
 132         /* validate the account and fill in UNIX uid and gid. Standard
 133          * getpwnam() is used instead of Get_Pwnam() as we do not need
 134          * to try case permutations
 135          */
 136         if (!username || !(pw=getpwnam(username))) {
 137                 DEBUG(0,("tdb_sam: getpwnam(%s) return NULL.  User does not exist!\n",
 138                         username?username:"NULL"));
 139                 ret = False;
 140                 goto done;
 141         }
 142
 143         uid = pw->pw_uid;
 144         gid = pw->pw_gid;
 145         pdb_set_uid(sampass, uid);
 146         pdb_set_gid(sampass, gid);
 147
 148         pdb_set_logon_time(sampass, logon_time);
 149         pdb_set_logoff_time(sampass, logoff_time);
 150         pdb_set_kickoff_time(sampass, kickoff_time);
 151         pdb_set_pass_can_change_time(sampass, pass_can_change_time);
 152         pdb_set_pass_must_change_time(sampass, pass_must_change_time);
 153         pdb_set_pass_last_set_time(sampass, pass_last_set_time);
 154
 155         pdb_set_username     (sampass, username_len?username:NULL);
 156         pdb_set_domain       (sampass, domain_len?domain:NULL);
 157         pdb_set_nt_username  (sampass, nt_username_len?nt_username:NULL);
 158         pdb_set_fullname     (sampass, fullname_len?fullname:NULL);
 159
 160         if (homedir) setflag = True;
 161         else {
 162                 setflag = False;
 163                 homedir = strdup(lp_logon_home());
 164                 if(!homedir) { ret = False; goto done; }
 165                 standard_sub_advanced(-1, username, "", gid, homedir);
 166                 DEBUG(5,("Home directory set back to %s\n", homedir));
 167         }
 168         pdb_set_homedir(sampass, homedir, setflag);
 169
 170         if (dir_drive) setflag = True;
 171         else {
 172                 setflag = False;
 173                 dir_drive = strdup(lp_logon_drive());
 174                 if(!dir_drive) { ret = False; goto done; }
 175                 standard_sub_advanced(-1, username, "", gid, dir_drive);
 176                 DEBUG(5,("Home directory set back to %s\n", dir_drive));
 177         }
 178         pdb_set_dir_drive(sampass, dir_drive, setflag);
 179
 180         if (logon_script) setflag = True;
 181         else {
 182                 setflag = False;
 183                 logon_script = strdup(lp_logon_script());
 184                 if(!logon_script) { ret = False; goto done; }
 185                 standard_sub_advanced(-1, username, "", gid, logon_script);
 186                 DEBUG(5,("Home directory set back to %s\n", logon_script));
 187         }
 188         pdb_set_logon_script(sampass, logon_script, setflag);
 189
 190         if (profile_path) setflag = True;
 191         else {
 192                 setflag = False;
 193                 profile_path = strdup(lp_logon_path());
 194                 if(!profile_path) { ret = False; goto done; }
 195                 standard_sub_advanced(-1, username, "", gid, profile_path);
 196                 DEBUG(5,("Home directory set back to %s\n", profile_path));
 197         }
 198         pdb_set_profile_path(sampass, profile_path, setflag);
 199
 200         pdb_set_acct_desc    (sampass, acct_desc);
 201         pdb_set_workstations (sampass, workstations);
 202         pdb_set_munged_dial  (sampass, munged_dial);
 203         if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr)) {
 204                 ret = False;
 205                 goto done;
 206         }
 207         if (!pdb_set_nt_passwd(sampass, nt_pw_ptr)) {
 208                 ret = False;
 209                 goto done;
 210         }
 211
 212         /*pdb_set_uid(sampass, uid);
 213         pdb_set_gid(sampass, gid);*/
 214         pdb_set_user_rid(sampass, user_rid);
 215         pdb_set_group_rid(sampass, group_rid);
 216         pdb_set_unknown_3(sampass, unknown_3);
 217         pdb_set_hours_len(sampass, hours_len);
 218         pdb_set_unknown_5(sampass, unknown_5);
 219         pdb_set_unknown_6(sampass, unknown_6);
 220         pdb_set_acct_ctrl(sampass, acct_ctrl);
 221         pdb_set_logon_divs(sampass, logon_divs);
 222         pdb_set_hours(sampass, hours);
 223
 224 done:
 225
 226         SAFE_FREE(username);
 227         SAFE_FREE(domain);
 228         SAFE_FREE(nt_username);
 229         SAFE_FREE(fullname);
 230         SAFE_FREE(homedir);
 231         SAFE_FREE(dir_drive);
 232         SAFE_FREE(logon_script);
 233         SAFE_FREE(profile_path);
 234         SAFE_FREE(acct_desc);
 235         SAFE_FREE(workstations);
 236         SAFE_FREE(munged_dial);
 237
 238         return ret;
 239 }
 240
 241 /**********************************************************************
 242  Intialize a BYTE buffer from a SAM_ACCOUNT struct
 243  *********************************************************************/
 244 static uint32 init_buffer_from_sam (uint8 **buf, SAM_ACCOUNT *sampass)
 245 {
 246         size_t          len, buflen;
 247
 248         /* times are stored as 32bit integer
 249            take care on system with 64bit wide time_t
 250            --SSS */
 251         uint32  logon_time,
 252                 logoff_time,
 253                 kickoff_time,
 254                 pass_last_set_time,
 255                 pass_can_change_time,
 256                 pass_must_change_time;
 257         char *username;
 258         char *domain;
 259         char *nt_username;
 260         char *dir_drive;
 261         char *unknown_str;
 262         char *munged_dial;
 263         char *fullname;
 264         char *homedir;
 265         char *logon_script;
 266         char *profile_path;
 267         char *acct_desc;
 268         char *workstations;
 269         uint32  username_len, domain_len, nt_username_len,
 270                 dir_drive_len, unknown_str_len, munged_dial_len,
 271                 fullname_len, homedir_len, logon_script_len,
 272                 profile_path_len, acct_desc_len, workstations_len;
 273
 274         const uint8             *lm_pw;
 275         const uint8             *nt_pw;
 276         uint32  lm_pw_len = 16;
 277         uint32  nt_pw_len = 16;
 278
 279         /* do we have a valid SAM_ACCOUNT pointer? */
 280         if (sampass == NULL) {
 281                 DEBUG(0, ("init_buffer_from_sam: SAM_ACCOUNT is NULL!\n"));
 282                 return -1;
 283         }
 284
 285         *buf = NULL;
 286         buflen = 0;
 287
 288         logon_time = (uint32)pdb_get_logon_time(sampass);
 289         logoff_time = (uint32)pdb_get_logoff_time(sampass);
 290         kickoff_time = (uint32)pdb_get_kickoff_time(sampass);
 291         pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass);
 292         pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass);
 293         pass_last_set_time = (uint32)pdb_get_pass_last_set_time(sampass);
 294
 295
 296         username = pdb_get_username(sampass);
 297         if (username) username_len = strlen(username) +1;
 298         else username_len = 0;
 299
 300         domain = pdb_get_domain(sampass);
 301         if (domain) domain_len = strlen(domain) +1;
 302         else domain_len = 0;
 303
 304         nt_username = pdb_get_nt_username(sampass);
 305         if (nt_username) nt_username_len = strlen(nt_username) +1;
 306         else nt_username_len = 0;
 307
 308         fullname = pdb_get_fullname(sampass);
 309         if (fullname) fullname_len = strlen(fullname) +1;
 310         else fullname_len = 0;
 311
 312         /*
 313          * Only updates fields which have been set (not defaults from smb.conf)
 314          */
 315
 316         if (IS_SAM_SET(sampass, FLAG_SAM_DRIVE)) dir_drive = pdb_get_dirdrive(sampass);
 317         else dir_drive = NULL;
 318         if (dir_drive) dir_drive_len = strlen(dir_drive) +1;
 319         else dir_drive_len = 0;
 320
 321         if (IS_SAM_SET(sampass, FLAG_SAM_SMBHOME)) homedir = pdb_get_homedir(sampass);
 322         else homedir = NULL;
 323         if (homedir) homedir_len = strlen(homedir) +1;
 324         else homedir_len = 0;
 325
 326         if (IS_SAM_SET(sampass, FLAG_SAM_LOGONSCRIPT)) logon_script = pdb_get_logon_script(sampass);
 327         else logon_script = NULL;
 328         if (logon_script) logon_script_len = strlen(logon_script) +1;
 329         else logon_script_len = 0;
 330
 331         if (IS_SAM_SET(sampass, FLAG_SAM_PROFILE)) profile_path = pdb_get_profile_path(sampass);
 332         else profile_path = NULL;
 333         if (profile_path) profile_path_len = strlen(profile_path) +1;
 334         else profile_path_len = 0;
 335
 336         lm_pw = pdb_get_lanman_passwd(sampass);
 337         if (!lm_pw) lm_pw_len = 0;
 338
 339         nt_pw = pdb_get_nt_passwd(sampass);
 340         if (!nt_pw) nt_pw_len = 0;
 341
 342         acct_desc = pdb_get_acct_desc(sampass);
 343         if (acct_desc) acct_desc_len = strlen(acct_desc) +1;
 344         else acct_desc_len = 0;
 345
 346         workstations = pdb_get_workstations(sampass);
 347         if (workstations) workstations_len = strlen(workstations) +1;
 348         else workstations_len = 0;
 349
 350         unknown_str = NULL;
 351         unknown_str_len = 0;
 352
 353         munged_dial = pdb_get_munged_dial(sampass);
 354         if (munged_dial) munged_dial_len = strlen(munged_dial) +1;
 355         else munged_dial_len = 0;
 356
 357         /* one time to get the size needed */
 358         len = tdb_pack(NULL, 0,  TDB_FORMAT_STRING,
 359                 logon_time,
 360                 logoff_time,
 361                 kickoff_time,
 362                 pass_last_set_time,
 363                 pass_can_change_time,
 364                 pass_must_change_time,
 365                 username_len, username,
 366                 domain_len, domain,
 367                 nt_username_len, nt_username,
 368                 fullname_len, fullname,
 369                 homedir_len, homedir,
 370                 dir_drive_len, dir_drive,
 371                 logon_script_len, logon_script,
 372                 profile_path_len, profile_path,
 373                 acct_desc_len, acct_desc,
 374                 workstations_len, workstations,
 375                 unknown_str_len, unknown_str,
 376                 munged_dial_len, munged_dial,
 377                 pdb_get_user_rid(sampass),
 378                 pdb_get_group_rid(sampass),
 379                 lm_pw_len, lm_pw,
 380                 nt_pw_len, nt_pw,
 381                 pdb_get_acct_ctrl(sampass),
 382                 pdb_get_unknown3(sampass),
 383                 pdb_get_logon_divs(sampass),
 384                 pdb_get_hours_len(sampass),
 385                 MAX_HOURS_LEN, pdb_get_hours(sampass),
 386                 pdb_get_unknown5(sampass),
 387                 pdb_get_unknown6(sampass));
 388
 389
 390         /* malloc the space needed */
 391         if ( (*buf=(uint8*)malloc(len)) == NULL) {
 392                 DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n"));
 393                 return (-1);
 394         }
 395
 396         /* now for the real call to tdb_pack() */
 397         buflen = tdb_pack(*buf, len,  TDB_FORMAT_STRING,
 398                 logon_time,
 399                 logoff_time,
 400                 kickoff_time,
 401                 pass_last_set_time,
 402                 pass_can_change_time,
 403                 pass_must_change_time,
 404                 username_len, username,
 405                 domain_len, domain,
 406                 nt_username_len, nt_username,
 407                 fullname_len, fullname,
 408                 homedir_len, homedir,
 409                 dir_drive_len, dir_drive,
 410                 logon_script_len, logon_script,
 411                 profile_path_len, profile_path,
 412                 acct_desc_len, acct_desc,
 413                 workstations_len, workstations,
 414                 unknown_str_len, unknown_str,
 415                 munged_dial_len, munged_dial,
 416                 pdb_get_user_rid(sampass),
 417                 pdb_get_group_rid(sampass),
 418                 lm_pw_len, lm_pw,
 419                 nt_pw_len, nt_pw,
 420                 pdb_get_acct_ctrl(sampass),
 421                 pdb_get_unknown3(sampass),
 422                 pdb_get_logon_divs(sampass),
 423                 pdb_get_hours_len(sampass),
 424                 MAX_HOURS_LEN, pdb_get_hours(sampass),
 425                 pdb_get_unknown5(sampass),
 426                 pdb_get_unknown6(sampass));
 427
 428
 429         /* check to make sure we got it correct */
 430         if (buflen != len) {
 431                 /* error */
 432                 SAFE_FREE (*buf);
 433                 return (-1);
 434         }
 435
 436         return (buflen);
 437 }
 438
 439 /***************************************************************
 440  Open the TDB passwd database for SAM account enumeration.
 441 ****************************************************************/
 442
 443 BOOL pdb_setsampwent(BOOL update)
 444 {
 445         pstring         tdbfile;
 446
 447         get_private_directory(tdbfile);
 448         pstrcat(tdbfile, "/");
 449         pstrcat(tdbfile, PASSDB_FILE_NAME);
 450
 451         /* Open tdb passwd */
 452         if (!(global_tdb_ent.passwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, update?(O_RDWR|O_CREAT):O_RDONLY, 0600)))
 453         {
 454                 DEBUG(0, ("Unable to open/create TDB passwd\n"));
 455                 return False;
 456         }
 457
 458         global_tdb_ent.key = tdb_firstkey(global_tdb_ent.passwd_tdb);
 459
 460         return True;
 461 }
 462
 463 /***************************************************************
 464  End enumeration of the TDB passwd list.
 465 ****************************************************************/
 466
 467 void pdb_endsampwent(void)
 468 {
 469         if (global_tdb_ent.passwd_tdb) {
 470                 tdb_close(global_tdb_ent.passwd_tdb);
 471                 global_tdb_ent.passwd_tdb = NULL;
 472         }
 473
 474         DEBUG(7, ("endtdbpwent: closed sam database.\n"));
 475 }
 476
 477 /*****************************************************************
 478  Get one SAM_ACCOUNT from the TDB (next in line)
 479 *****************************************************************/
 480
 481 BOOL pdb_getsampwent(SAM_ACCOUNT *user)
 482 {
 483         TDB_DATA        data;
 484         struct passwd   *pw;
 485         uid_t           uid;
 486         gid_t           gid;
 487         char *prefix = USERPREFIX;
 488         int  prefixlen = strlen (prefix);
 489
 490         if (user==NULL) {
 491                 DEBUG(0,("pdb_get_sampwent: SAM_ACCOUNT is NULL.\n"));
 492                 return False;
 493         }
 494
 495         /* skip all non-USER entries (eg. RIDS) */
 496         while ((global_tdb_ent.key.dsize != 0) && (strncmp(global_tdb_ent.key.dptr, prefix, prefixlen)))
 497                 /* increment to next in line */
 498                 global_tdb_ent.key = tdb_nextkey(global_tdb_ent.passwd_tdb, global_tdb_ent.key);
 499
 500         /* do we have an valid interation pointer? */
 501         if(global_tdb_ent.passwd_tdb == NULL) {
 502                 DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n"));
 503                 return False;
 504         }
 505
 506         data = tdb_fetch(global_tdb_ent.passwd_tdb, global_tdb_ent.key);
 507         if (!data.dptr) {
 508                 DEBUG(5,("pdb_getsampwent: database entry not found.\n"));
 509                 return False;
 510         }
 511
 512         /* unpack the buffer */
 513         if (!init_sam_from_buffer(user, data.dptr, data.dsize)) {
 514                 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
 515                 SAFE_FREE(data.dptr);
 516                 return False;
 517         }
 518         SAFE_FREE(data.dptr);
 519
 520         /* increment to next in line */
 521         global_tdb_ent.key = tdb_nextkey(global_tdb_ent.passwd_tdb, global_tdb_ent.key);
 522
 523         return True;
 524 }
 525
 526 /******************************************************************
 527  Lookup a name in the SAM TDB
 528 ******************************************************************/
 529
 530 BOOL pdb_getsampwnam (SAM_ACCOUNT *user, char *sname)
 531 {
 532         TDB_CONTEXT     *pwd_tdb;
 533         TDB_DATA        data, key;
 534         fstring         keystr;
 535         struct passwd   *pw;
 536         pstring         tdbfile;
 537         fstring         name;
 538         uid_t           uid;
 539         gid_t           gid;
 540
 541
 542         if (user==NULL) {
 543                 DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n"));
 544                 return False;
 545         }
 546
 547         /* Data is stored in all lower-case */
 548         fstrcpy(name, sname);
 549         strlower(name);
 550
 551         get_private_directory(tdbfile);
 552         pstrcat(tdbfile, "/");
 553         pstrcat(tdbfile, PASSDB_FILE_NAME);
 554
 555         /* set search key */
 556         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 557         key.dptr = keystr;
 558         key.dsize = strlen(keystr) + 1;
 559
 560         /* open the accounts TDB */
 561         if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
 562                 DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd!\n"));
 563                 return False;
 564         }
 565
 566         /* get the record */
 567         data = tdb_fetch(pwd_tdb, key);
 568         if (!data.dptr) {
 569                 DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n"));
 570                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 571                 tdb_close(pwd_tdb);
 572                 return False;
 573         }
 574
 575         /* unpack the buffer */
 576         if (!init_sam_from_buffer(user, data.dptr, data.dsize)) {
 577                 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
 578                 SAFE_FREE(data.dptr);
 579                 tdb_close(pwd_tdb);
 580                 return False;
 581         }
 582         SAFE_FREE(data.dptr);
 583
 584         /* no further use for database, close it now */
 585         tdb_close(pwd_tdb);
 586
 587         return True;
 588 }
 589
 590 /***************************************************************************
 591  Search by rid
 592  **************************************************************************/
 593
 594 BOOL pdb_getsampwrid (SAM_ACCOUNT *user, uint32 rid)
 595 {
 596         TDB_CONTEXT             *pwd_tdb;
 597         TDB_DATA                data, key;
 598         fstring                 keystr;
 599         pstring                 tdbfile;
 600         fstring                 name;
 601
 602         if (user==NULL) {
 603                 DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n"));
 604                 return False;
 605         }
 606
 607         get_private_directory(tdbfile);
 608         pstrcat(tdbfile, "/");
 609         pstrcat(tdbfile, PASSDB_FILE_NAME);
 610
 611         /* set search key */
 612         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
 613         key.dptr = keystr;
 614         key.dsize = strlen (keystr) + 1;
 615
 616         /* open the accounts TDB */
 617         if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
 618                 DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n"));
 619                 return False;
 620         }
 621
 622         /* get the record */
 623         data = tdb_fetch (pwd_tdb, key);
 624         if (!data.dptr) {
 625                 DEBUG(5,("pdb_getsampwrid (TDB): error fetching database.\n"));
 626                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 627                 tdb_close (pwd_tdb);
 628                 return False;
 629         }
 630
 631         fstrcpy (name, data.dptr);
 632         SAFE_FREE(data.dptr);
 633
 634         tdb_close (pwd_tdb);
 635
 636         return pdb_getsampwnam (user, name);
 637 }
 638
 639 /***************************************************************************
 640  Delete a SAM_ACCOUNT
 641 ****************************************************************************/
 642
 643 BOOL pdb_delete_sam_account(char *sname)
 644 {
 645         SAM_ACCOUNT     *sam_pass = NULL;
 646         TDB_CONTEXT     *pwd_tdb;
 647         TDB_DATA        key, data;
 648         fstring         keystr;
 649         pstring         tdbfile;
 650         uint32          rid;
 651         fstring         name;
 652
 653         fstrcpy(name, sname);
 654         strlower(name);
 655
 656         get_private_directory(tdbfile);
 657         pstrcat(tdbfile, "/");
 658         pstrcat(tdbfile, PASSDB_FILE_NAME);
 659
 660         /* open the TDB */
 661         if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDWR, 0600))) {
 662                 DEBUG(0, ("Unable to open TDB passwd!"));
 663                 return False;
 664         }
 665
 666         /* set the search key */
 667         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 668         key.dptr = keystr;
 669         key.dsize = strlen (keystr) + 1;
 670
 671         /* get the record */
 672         data = tdb_fetch (pwd_tdb, key);
 673         if (!data.dptr) {
 674                 DEBUG(5,("pdb_delete_sam_account (TDB): error fetching database.\n"));
 675                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 676                 tdb_close (pwd_tdb);
 677                 return False;
 678         }
 679
 680         /* unpack the buffer */
 681         if (!pdb_init_sam (&sam_pass)) {
 682                 tdb_close (pwd_tdb);
 683                 return False;
 684         }
 685
 686         if (!init_sam_from_buffer (sam_pass, data.dptr, data.dsize)) {
 687                 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
 688                 tdb_close (pwd_tdb);
 689                 SAFE_FREE(data.dptr);
 690                 return False;
 691         }
 692         SAFE_FREE(data.dptr);
 693
 694         rid = pdb_get_user_rid(sam_pass);
 695
 696         pdb_free_sam (sam_pass);
 697
 698         /* it's outaa here!  8^) */
 699         if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
 700                 DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
 701                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 702                 tdb_close(pwd_tdb);
 703                 return False;
 704         }
 705
 706         /* delete also the RID key */
 707
 708         /* set the search key */
 709         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
 710         key.dptr = keystr;
 711         key.dsize = strlen (keystr) + 1;
 712
 713         /* it's outaa here!  8^) */
 714         if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
 715                 DEBUG(5, ("Error deleting entry from tdb rid database!\n"));
 716                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 717                 tdb_close(pwd_tdb);
 718                 return False;
 719         }
 720
 721         tdb_close(pwd_tdb);
 722
 723         return True;
 724 }
 725
 726 /***************************************************************************
 727  Update the TDB SAM
 728 ****************************************************************************/
 729
 730 static BOOL tdb_update_sam(SAM_ACCOUNT* newpwd, BOOL override, int flag)
 731 {
 732         TDB_CONTEXT     *pwd_tdb = NULL;
 733         TDB_DATA        key, data;
 734         uint8           *buf = NULL;
 735         fstring         keystr;
 736         pstring         tdbfile;
 737         fstring         name;
 738         BOOL            ret = True;
 739
 740         get_private_directory(tdbfile);
 741         pstrcat(tdbfile, "/");
 742         pstrcat(tdbfile, PASSDB_FILE_NAME);
 743
 744         if ( (!newpwd->uid) || (!newpwd->gid) )
 745                 DEBUG (0,("tdb_update_sam: Storing a SAM_ACCOUNT for [%s] with uid %d and gid %d!\n",
 746                         newpwd->username, newpwd->uid, newpwd->gid));
 747
 748         /* if we don't have a RID, then generate one */
 749         if (!newpwd->user_rid)
 750                 pdb_set_user_rid (newpwd, pdb_uid_to_user_rid (newpwd->uid));
 751         if (!newpwd->group_rid)
 752                 pdb_set_group_rid (newpwd, pdb_gid_to_group_rid (newpwd->gid));
 753
 754         /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */
 755         if ((data.dsize=init_buffer_from_sam (&buf, newpwd)) == -1) {
 756                 DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n"));
 757                 ret = False;
 758                 goto done;
 759         }
 760         data.dptr = buf;
 761
 762         fstrcpy(name,pdb_get_username(newpwd));
 763         strlower(name);
 764
 765         /* setup the USER index key */
 766         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 767         key.dptr = keystr;
 768         key.dsize = strlen (keystr) + 1;
 769
 770         /* invalidate the existing TDB iterator if it is open */
 771         if (global_tdb_ent.passwd_tdb) {
 772                 tdb_close(global_tdb_ent.passwd_tdb);
 773                 global_tdb_ent.passwd_tdb = NULL;
 774         }
 775
 776         /* open the account TDB passwd*/
 777         pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600);
 778         if (!pwd_tdb)
 779         {
 780                 DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd!\n"));
 781                 return False;
 782         }
 783
 784         /* add the account */
 785         if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
 786                 DEBUG(0, ("Unable to modify passwd TDB!"));
 787                 DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 788                 ret = False;
 789                 goto done;
 790         }
 791
 792         /* setup RID data */
 793         data.dsize = sizeof(fstring);
 794         data.dptr = name;
 795
 796         /* setup the RID index key */
 797         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, pdb_get_user_rid(newpwd));
 798         key.dptr = keystr;
 799         key.dsize = strlen (keystr) + 1;
 800
 801         /* add the reference */
 802         if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
 803                 DEBUG(0, ("Unable to modify TDB passwd !"));
 804                 DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 805                 ret = False;
 806                 goto done;
 807         }
 808
 809 done:
 810         /* cleanup */
 811         tdb_close (pwd_tdb);
 812         SAFE_FREE(buf);
 813
 814         return (ret);
 815 }
 816
 817 /***************************************************************************
 818  Modifies an existing SAM_ACCOUNT
 819 ****************************************************************************/
 820
 821 BOOL pdb_update_sam_account (SAM_ACCOUNT *newpwd, BOOL override)
 822 {
 823         return (tdb_update_sam(newpwd, override, TDB_MODIFY));
 824 }
 825
 826 /***************************************************************************
 827  Adds an existing SAM_ACCOUNT
 828 ****************************************************************************/
 829
 830 BOOL pdb_add_sam_account (SAM_ACCOUNT *newpwd)
 831 {
 832         return (tdb_update_sam(newpwd, True, TDB_INSERT));
 833 }
 834
 835 #else
 836         /* Do *NOT* make this function static. It breaks the compile on gcc. JRA */
 837         void samtdb_dummy_function(void) { } /* stop some compilers complaining */
 838 #endif /* WITH_TDB_SAM */