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  *
   7  * This program is free software; you can redistribute it and/or modify it under
   8  * the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 675
  19  * Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include "includes.h"
  23
  24 #ifdef WITH_TDBPWD
  25
  26 #define PASSDB_FILE_NAME        "/passdb.tdb"
  27 #define TDB_FORMAT_STRING       "BBBBBBBBBBBBBBBBBBddBBwdwdBdd"
  28 #define USERPREFIX              "USER_"
  29 #define RIDPREFIX               "RID_"
  30
  31 extern int              DEBUGLEVEL;
  32 extern pstring          samlogon_user;
  33 extern BOOL             sam_logon_in_ssb;
  34
  35
  36 struct tdb_enum_info
  37 {
  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 static BOOL init_sam_from_buffer (SAM_ACCOUNT *sampass, uint8 *buf,
  49                                   uint32 buflen)
  50 {
  51         time_t  logon_time,
  52                 logoff_time,
  53                 kickoff_time,
  54                 pass_last_set_time,
  55                 pass_can_change_time,
  56                 pass_must_change_time;
  57         uint32  time_t_len;
  58         char *username;
  59         char *domain;
  60         char *nt_username;
  61         char *dir_drive;
  62         char *unknown_str;
  63         char *munged_dial;
  64         char *fullname;
  65         char *homedir;
  66         char *logon_script;
  67         char *profile_path;
  68         char *acct_desc;
  69         char *workstations;
  70         uint32  username_len, domain_len, nt_username_len,
  71                 dir_drive_len, unknown_str_len, munged_dial_len,
  72                 fullname_len, homedir_len, logon_script_len,
  73                 profile_path_len, acct_desc_len, workstations_len;
  74
  75         uint32  /* uid, gid,*/ user_rid, group_rid, unknown_3, hours_len, unknown_5, unknown_6;
  76         uint16  acct_ctrl, logon_divs;
  77         uint8   *hours;
  78         static uint8    *lm_pw_ptr,
  79                         *nt_pw_ptr;
  80         uint32          len = 0;
  81         uint32          lmpwlen, ntpwlen, hourslen;
  82
  83
  84         /* unpack the buffer into variables */
  85         len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING,
  86                 &time_t_len, &logon_time,
  87                 &time_t_len, &logoff_time,
  88                 &time_t_len, &kickoff_time,
  89                 &time_t_len, &pass_last_set_time,
  90                 &time_t_len, &pass_can_change_time,
  91                 &time_t_len, &pass_must_change_time,
  92                 &username_len, &username,
  93                 &domain_len, &domain,
  94                 &nt_username_len, &nt_username,
  95                 &fullname_len, &fullname,
  96                 &homedir_len, &homedir,
  97                 &dir_drive_len, &dir_drive,
  98                 &logon_script_len, &logon_script,
  99                 &profile_path_len, &profile_path,
 100                 &acct_desc_len, &acct_desc,
 101                 &workstations_len, &workstations,
 102                 &unknown_str_len, &unknown_str,
 103                 &munged_dial_len, &munged_dial,
 104                 &user_rid,
 105                 &group_rid,
 106                 &lmpwlen, &lm_pw_ptr,
 107                 &ntpwlen, &nt_pw_ptr,
 108                 &acct_ctrl,
 109                 &unknown_3,
 110                 &logon_divs,
 111                 &hours_len,
 112                 &hourslen, &hours,
 113                 &unknown_5,
 114                 &unknown_6);
 115
 116         if (len == -1)
 117                 return False;
 118
 119         pdb_set_logon_time(sampass, logon_time);
 120         pdb_set_logoff_time(sampass, logoff_time);
 121         pdb_set_kickoff_time(sampass, kickoff_time);
 122         pdb_set_pass_can_change_time(sampass, pass_can_change_time);
 123         pdb_set_pass_must_change_time(sampass, pass_must_change_time);
 124         pdb_set_pass_last_set_time(sampass, pass_last_set_time);
 125
 126         pdb_set_username     (sampass, username_len?username:NULL);
 127         pdb_set_domain       (sampass, domain_len?domain:NULL);
 128         pdb_set_nt_username  (sampass, nt_username_len?nt_username:NULL);
 129         pdb_set_fullname     (sampass, fullname_len?fullname:NULL);
 130         pdb_set_homedir      (sampass, homedir_len?homedir:NULL);
 131         pdb_set_dir_drive    (sampass, dir_drive_len?dir_drive:NULL);
 132         pdb_set_logon_script (sampass, logon_script_len?logon_script:NULL);
 133         pdb_set_profile_path (sampass, profile_path_len?profile_path:NULL);
 134         pdb_set_acct_desc    (sampass, acct_desc_len?acct_desc:NULL);
 135         pdb_set_workstations (sampass, workstations_len?workstations:NULL);
 136         pdb_set_munged_dial  (sampass, munged_dial_len?munged_dial:NULL);
 137         pdb_set_lanman_passwd(sampass, lmpwlen?lm_pw_ptr:NULL);
 138         pdb_set_nt_passwd    (sampass, ntpwlen?nt_pw_ptr:NULL);
 139
 140         /*pdb_set_uid(sampass, uid);
 141         pdb_set_gid(sampass, gid);*/
 142         pdb_set_user_rid(sampass, user_rid);
 143         pdb_set_group_rid(sampass, group_rid);
 144         pdb_set_unknown_3(sampass, unknown_3);
 145         pdb_set_hours_len(sampass, hours_len);
 146         pdb_set_unknown_5(sampass, unknown_5);
 147         pdb_set_unknown_6(sampass, unknown_6);
 148         pdb_set_acct_ctrl(sampass, acct_ctrl);
 149         pdb_set_logons_divs(sampass, logon_divs);
 150         pdb_set_hours(sampass, hours);
 151
 152
 153         return True;
 154 }
 155
 156 /**********************************************************************
 157  Intialize a BYTE buffer from a SAM_ACCOUNT struct
 158  *********************************************************************/
 159 static uint32 init_buffer_from_sam (uint8 **buf, SAM_ACCOUNT *sampass)
 160 {
 161         size_t          len, buflen;
 162
 163         time_t  logon_time,
 164                 logoff_time,
 165                 kickoff_time,
 166                 pass_last_set_time,
 167                 pass_can_change_time,
 168                 pass_must_change_time;
 169         char *username;
 170         char *domain;
 171         char *nt_username;
 172         char *dir_drive;
 173         char *unknown_str;
 174         char *munged_dial;
 175         char *fullname;
 176         char *homedir;
 177         char *logon_script;
 178         char *profile_path;
 179         char *acct_desc;
 180         char *workstations;
 181         uint32  username_len, domain_len, nt_username_len,
 182                 dir_drive_len, unknown_str_len, munged_dial_len,
 183                 fullname_len, homedir_len, logon_script_len,
 184                 profile_path_len, acct_desc_len, workstations_len;
 185
 186         uint8           *lm_pw;
 187         uint8           *nt_pw;
 188         uint32  time_t_len = sizeof (time_t);
 189         char            null_pw[] = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
 190
 191         /* do we have a valid SAM_ACCOUNT pointer? */
 192         if (sampass == NULL)
 193                 return -1;
 194
 195         *buf = NULL;
 196         buflen = 0;
 197
 198         logon_time = pdb_get_logon_time(sampass);
 199         logoff_time = pdb_get_logoff_time(sampass);
 200         kickoff_time = pdb_get_kickoff_time(sampass);
 201         pass_can_change_time = pdb_get_pass_can_change_time(sampass);
 202         pass_must_change_time = pdb_get_pass_must_change_time(sampass);
 203         pass_last_set_time = pdb_get_pass_last_set_time(sampass);
 204
 205
 206         username = pdb_get_username(sampass);
 207         if (username) username_len = strlen(username) +1;
 208         else username_len = 0;
 209         domain = pdb_get_domain(sampass);
 210         if (domain) domain_len = strlen(domain) +1;
 211         else domain_len = 0;
 212         nt_username = pdb_get_nt_username(sampass);
 213         if (nt_username) nt_username_len = strlen(nt_username) +1;
 214         else nt_username_len = 0;
 215         dir_drive = pdb_get_dirdrive(sampass);
 216         if (dir_drive) dir_drive_len = strlen(dir_drive) +1;
 217         else dir_drive_len = 0;
 218         unknown_str = NULL;
 219         unknown_str_len = 0;
 220         munged_dial = pdb_get_munged_dial(sampass);
 221         if (munged_dial) munged_dial_len = strlen(munged_dial) +1;
 222         else munged_dial_len = 0;
 223
 224         fullname = pdb_get_fullname(sampass);
 225         if (fullname) fullname_len = strlen(fullname) +1;
 226         else fullname_len = 0;
 227         homedir = pdb_get_homedir(sampass);
 228         if (homedir) homedir_len = strlen(homedir) +1;
 229         else homedir_len = 0;
 230         logon_script = pdb_get_logon_script(sampass);
 231         if (logon_script) logon_script_len = strlen(logon_script) +1;
 232         else logon_script_len = 0;
 233         profile_path = pdb_get_profile_path(sampass);
 234         if (profile_path) profile_path_len = strlen(profile_path) +1;
 235         else profile_path_len = 0;
 236         acct_desc = pdb_get_acct_desc(sampass);
 237         if (acct_desc) acct_desc_len = strlen(acct_desc) +1;
 238         else acct_desc_len = 0;
 239         workstations = pdb_get_workstations(sampass);
 240         if (workstations) workstations_len = strlen(workstations) +1;
 241         else workstations_len = 0;
 242
 243         lm_pw = pdb_get_lanman_passwd(sampass);
 244         if (!lm_pw) pdb_gethexpwd (null_pw, lm_pw);
 245
 246         nt_pw = pdb_get_nt_passwd(sampass);
 247         if (!nt_pw) pdb_gethexpwd (null_pw, nt_pw);
 248
 249
 250         /* one time to get the size needed */
 251         len = tdb_pack(NULL, 0,  TDB_FORMAT_STRING,
 252                 time_t_len, &logon_time,
 253                 time_t_len, &logoff_time,
 254                 time_t_len, &kickoff_time,
 255                 time_t_len, &pass_last_set_time,
 256                 time_t_len, &pass_can_change_time,
 257                 time_t_len, &pass_must_change_time,
 258                 username_len, username,
 259                 domain_len, domain,
 260                 nt_username_len, nt_username,
 261                 fullname_len, fullname,
 262                 homedir_len, homedir,
 263                 dir_drive_len, dir_drive,
 264                 logon_script_len, logon_script,
 265                 profile_path_len, profile_path,
 266                 acct_desc_len, acct_desc,
 267                 workstations_len, workstations,
 268                 unknown_str_len, unknown_str,
 269                 munged_dial_len, munged_dial,
 270                 pdb_get_user_rid(sampass),
 271                 pdb_get_group_rid(sampass),
 272                 16, lm_pw,
 273                 16, nt_pw,
 274                 pdb_get_acct_ctrl(sampass),
 275                 pdb_get_unknown3(sampass),
 276                 pdb_get_logon_divs(sampass),
 277                 pdb_get_hours_len(sampass),
 278                 MAX_HOURS_LEN, pdb_get_hours(sampass),
 279                 pdb_get_unknown5(sampass),
 280                 pdb_get_unknown6(sampass));
 281
 282
 283         /* malloc the space needed */
 284         if ( (*buf=(uint8*)malloc(len)) == NULL)
 285         {
 286                 DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n"));
 287                 return (-1);
 288         }
 289
 290         /* now for the real call to tdb_pack() */
 291         /* one time to get the size needed */
 292         buflen = tdb_pack(*buf, len,  TDB_FORMAT_STRING,
 293                 time_t_len, &logon_time,
 294                 time_t_len, &logoff_time,
 295                 time_t_len, &kickoff_time,
 296                 time_t_len, &pass_last_set_time,
 297                 time_t_len, &pass_can_change_time,
 298                 time_t_len, &pass_must_change_time,
 299                 username_len, username,
 300                 domain_len, domain,
 301                 nt_username_len, nt_username,
 302                 fullname_len, fullname,
 303                 homedir_len, homedir,
 304                 dir_drive_len, dir_drive,
 305                 logon_script_len, logon_script,
 306                 profile_path_len, profile_path,
 307                 acct_desc_len, acct_desc,
 308                 workstations_len, workstations,
 309                 unknown_str_len, unknown_str,
 310                 munged_dial_len, munged_dial,
 311                 pdb_get_user_rid(sampass),
 312                 pdb_get_group_rid(sampass),
 313                 16, lm_pw,
 314                 16, nt_pw,
 315                 pdb_get_acct_ctrl(sampass),
 316                 pdb_get_unknown3(sampass),
 317                 pdb_get_logon_divs(sampass),
 318                 pdb_get_hours_len(sampass),
 319                 MAX_HOURS_LEN, pdb_get_hours(sampass),
 320                 pdb_get_unknown5(sampass),
 321                 pdb_get_unknown6(sampass));
 322
 323
 324         /* check to make sure we got it correct */
 325         if (buflen != len)
 326         {
 327                 /* error */
 328                 free (*buf);
 329                 return (-1);
 330         }
 331
 332         return (buflen);
 333 }
 334
 335 /***************************************************************
 336  Open the TDB passwd database for SAM account enumeration.
 337 ****************************************************************/
 338 BOOL pdb_setsampwent(BOOL update)
 339 {
 340         pstring         tdbfile;
 341
 342         pstrcpy (tdbfile, lp_private_dir());
 343         pstrcat (tdbfile, PASSDB_FILE_NAME);
 344
 345         /* Open tdb passwd */
 346         if (!(global_tdb_ent.passwd_tdb = tdb_open(tdbfile, 0, 0, update ? O_RDWR : O_RDONLY, 0600)))
 347         {
 348                 DEBUG(0, ("Unable to open TDB passwd, trying create new!\n"));
 349                 if (!(global_tdb_ent.passwd_tdb = tdb_open(tdbfile, 0, 0, O_RDWR | O_CREAT | O_EXCL, 0600)))
 350                 {
 351                         DEBUG(0, ("Unable to create TDB passwd (passdb.tdb) !!!"));
 352                         return False;
 353                 }
 354         }
 355
 356         global_tdb_ent.key = tdb_firstkey(global_tdb_ent.passwd_tdb);
 357
 358         return True;
 359 }
 360
 361 /***************************************************************
 362  End enumeration of the TDB passwd list.
 363 ****************************************************************/
 364 void pdb_endsampwent(void)
 365 {
 366         if (global_tdb_ent.passwd_tdb)
 367         {
 368                 tdb_close(global_tdb_ent.passwd_tdb);
 369                 global_tdb_ent.passwd_tdb = NULL;
 370         }
 371
 372         DEBUG(7, ("endtdbpwent: closed password file.\n"));
 373 }
 374
 375
 376 /*****************************************************************
 377  Get one SAM_ACCOUNT from the TDB (next in line)
 378 *****************************************************************/
 379 SAM_ACCOUNT* pdb_getsampwent(void)
 380 {
 381         TDB_DATA        data;
 382         struct passwd   *pw;
 383         uid_t           uid;
 384         gid_t           gid;
 385         char *prefix = USERPREFIX;
 386         int  prefixlen = strlen (prefix);
 387
 388         /* skip all RID entries */
 389         while ((global_tdb_ent.key.dsize != 0) && (strncmp (global_tdb_ent.key.dptr, prefix, prefixlen)))
 390                 /* increment to next in line */
 391                 global_tdb_ent.key = tdb_nextkey (global_tdb_ent.passwd_tdb, global_tdb_ent.key);
 392
 393         /* do we have an valid interation pointer? */
 394         if(global_tdb_ent.passwd_tdb == NULL)
 395         {
 396                 DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n"));
 397                 return NULL;
 398         }
 399
 400         data = tdb_fetch (global_tdb_ent.passwd_tdb, global_tdb_ent.key);
 401         if (!data.dptr)
 402         {
 403                 DEBUG(5,("pdb_getsampwent: database entry not found.\n"));
 404                 return NULL;
 405         }
 406
 407         /* unpack the buffer */
 408         pdb_clear_sam (&global_sam_pass);
 409         if (!init_sam_from_buffer (&global_sam_pass, data.dptr, data.dsize))
 410         {
 411                 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
 412                 return NULL;
 413         }
 414
 415         /* validate the account and fill in UNIX uid and gid.  sys_getpwnam()
 416            is used instaed of Get_Pwnam() as we do not need to try case
 417            permutations */
 418         if ((pw=sys_getpwnam(pdb_get_username(&global_sam_pass))) == NULL)
 419         {
 420                 DEBUG(0,("pdb_getsampwent: getpwnam(%s) return NULL.  User does not exist!\n",
 421                           pdb_get_username(&global_sam_pass)));
 422                 return NULL;
 423         }
 424
 425         uid = pw->pw_uid;
 426         gid = pw->pw_gid;
 427         pdb_set_uid (&global_sam_pass, uid);
 428         pdb_set_gid (&global_sam_pass, gid);
 429
 430         /* 21 days from present */
 431         pdb_set_pass_must_change_time(&global_sam_pass, time(NULL)+1814400);
 432
 433         standard_sub_advanced(-1, pdb_get_username(&global_sam_pass), "", gid, pdb_get_logon_script(&global_sam_pass));
 434         standard_sub_advanced(-1, pdb_get_username(&global_sam_pass), "", gid, pdb_get_profile_path(&global_sam_pass));
 435         standard_sub_advanced(-1, pdb_get_username(&global_sam_pass), "", gid, pdb_get_homedir(&global_sam_pass));
 436
 437         /* increment to next in line */
 438         global_tdb_ent.key = tdb_nextkey (global_tdb_ent.passwd_tdb, global_tdb_ent.key);
 439
 440         return (&global_sam_pass);
 441 }
 442
 443 /******************************************************************
 444  Lookup a name in the SAM TDB
 445 ******************************************************************/
 446 SAM_ACCOUNT* pdb_getsampwnam (char *sname)
 447 {
 448         TDB_CONTEXT     *pwd_tdb;
 449         TDB_DATA        data, key;
 450         fstring         keystr;
 451         struct passwd   *pw;
 452         pstring         tdbfile;
 453         fstring         name;
 454         uid_t           uid;
 455         gid_t           gid;
 456
 457         fstrcpy (name, sname);
 458         strlower (name);
 459         pstrcpy (tdbfile, lp_private_dir());
 460         pstrcat (tdbfile, PASSDB_FILE_NAME);
 461
 462         /* set search key */
 463         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 464         key.dptr = keystr;
 465         key.dsize = strlen (keystr) + 1;
 466
 467         /* open the accounts TDB */
 468         if (!(pwd_tdb = tdb_open(tdbfile, 0, 0, O_RDONLY, 0600)))
 469         {
 470                 DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd!\n"));
 471                 return False;
 472         }
 473
 474         /* get the record */
 475         data = tdb_fetch (pwd_tdb, key);
 476         if (!data.dptr)
 477         {
 478                 DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n"));
 479                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 480                 tdb_close (pwd_tdb);
 481                 return NULL;
 482         }
 483
 484         /* unpack the buffer */
 485         pdb_clear_sam (&global_sam_pass);
 486         if (!init_sam_from_buffer (&global_sam_pass, data.dptr, data.dsize))
 487         {
 488                 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
 489                 return NULL;
 490         }
 491
 492         /* validate the account and fill in UNIX uid and gid.  sys_getpwnam()
 493            is used instaed of Get_Pwnam() as we do not need to try case
 494            permutations */
 495         if ((pw=sys_getpwnam(pdb_get_username(&global_sam_pass))) == NULL)
 496         {
 497                 DEBUG(0,("pdb_getsampwent: getpwnam(%s) return NULL.  User does not exist!\n",
 498                           pdb_get_username(&global_sam_pass)));
 499                 return NULL;
 500         }
 501
 502         uid = pw->pw_uid;
 503         gid = pw->pw_gid;
 504         pdb_set_uid (&global_sam_pass, uid);
 505         pdb_set_gid (&global_sam_pass, gid);
 506
 507         /* 21 days from present */
 508         pdb_set_pass_must_change_time(&global_sam_pass, time(NULL)+1814400);
 509
 510         standard_sub_advanced(-1, pdb_get_username(&global_sam_pass), "", gid, pdb_get_logon_script(&global_sam_pass));
 511         standard_sub_advanced(-1, pdb_get_username(&global_sam_pass), "", gid, pdb_get_profile_path(&global_sam_pass));
 512         standard_sub_advanced(-1, pdb_get_username(&global_sam_pass), "", gid, pdb_get_homedir(&global_sam_pass));
 513
 514         /* cleanup */
 515         tdb_close (pwd_tdb);
 516
 517         return (&global_sam_pass);
 518 }
 519
 520 /***************************************************************************
 521  Search by uid
 522  **************************************************************************/
 523 SAM_ACCOUNT* pdb_getsampwuid (uid_t uid)
 524 {
 525         struct passwd   *pw;
 526         fstring         name;
 527
 528         pw = sys_getpwuid(uid);
 529         if (pw == NULL)
 530         {
 531                 DEBUG(0,("pdb_getsampwuid: getpwuid(%d) return NULL. User does not exist!\n", uid));
 532                 return NULL;
 533         }
 534         fstrcpy (name, pw->pw_name);
 535
 536         return pdb_getsampwnam (name);
 537
 538 }
 539
 540 /***************************************************************************
 541  Search by rid
 542  **************************************************************************/
 543 SAM_ACCOUNT* pdb_getsampwrid (uint32 rid)
 544 {
 545         TDB_CONTEXT             *pwd_tdb;
 546         TDB_DATA                data, key;
 547         fstring                 keystr;
 548         pstring                 tdbfile;
 549         fstring                 name;
 550
 551         pstrcpy (tdbfile, lp_private_dir());
 552         pstrcat (tdbfile, PASSDB_FILE_NAME);
 553
 554         /* set search key */
 555         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
 556         key.dptr = keystr;
 557         key.dsize = strlen (keystr) + 1;
 558
 559         /* open the accounts TDB */
 560         if (!(pwd_tdb = tdb_open(tdbfile, 0, 0, O_RDONLY, 0600)))
 561         {
 562                 DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n"));
 563                 return False;
 564         }
 565
 566         /* get the record */
 567         data = tdb_fetch (pwd_tdb, key);
 568         if (!data.dptr)
 569         {
 570                 DEBUG(5,("pdb_getsampwrid (TDB): error fetching database.\n"));
 571                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 572                 tdb_close (pwd_tdb);
 573                 return NULL;
 574         }
 575
 576         fstrcpy (name, data.dptr);
 577
 578         tdb_close (pwd_tdb);
 579
 580         return pdb_getsampwnam (name);
 581 }
 582
 583
 584 /***************************************************************************
 585  Delete a SAM_ACCOUNT
 586 ****************************************************************************/
 587 BOOL pdb_delete_sam_account(char *sname)
 588 {
 589         struct passwd  *pwd = NULL;
 590         TDB_CONTEXT     *pwd_tdb;
 591         TDB_DATA        key, data;
 592         fstring         keystr;
 593         pstring         tdbfile;
 594         uint32          rid;
 595         fstring         name;
 596
 597         fstrcpy (name, sname);
 598         strlower (name);
 599
 600         pstrcpy (tdbfile, lp_private_dir());
 601         pstrcat (tdbfile, PASSDB_FILE_NAME);
 602
 603         /* open the TDB */
 604         if (!(pwd_tdb = tdb_open(tdbfile, 0, 0, O_RDWR, 0600)))
 605         {
 606                 DEBUG(0, ("Unable to open TDB passwd!"));
 607                 return False;
 608         }
 609
 610         /* set the search key */
 611         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 612         key.dptr = keystr;
 613         key.dsize = strlen (keystr) + 1;
 614
 615         /* get the record */
 616         data = tdb_fetch (pwd_tdb, key);
 617         if (!data.dptr)
 618         {
 619                 DEBUG(5,("pdb_delete_sam_account (TDB): error fetching database.\n"));
 620                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 621                 tdb_close (pwd_tdb);
 622                 return False;
 623         }
 624
 625         /* unpack the buffer */
 626         pdb_clear_sam (&global_sam_pass);
 627         if (!init_sam_from_buffer (&global_sam_pass, data.dptr, data.dsize))
 628         {
 629                 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
 630                 return False;
 631         }
 632
 633         pwd = sys_getpwnam(global_sam_pass.username);
 634
 635         rid = pdb_uid_to_user_rid (pwd->pw_uid);
 636
 637         /* it's outaa here!  8^) */
 638         if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS)
 639         {
 640                 DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
 641                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 642                 tdb_close(pwd_tdb);
 643                 return False;
 644         }
 645
 646         /* delete also the RID key */
 647
 648         /* set the search key */
 649         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
 650         key.dptr = keystr;
 651         key.dsize = strlen (keystr) + 1;
 652
 653         /* it's outaa here!  8^) */
 654         if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS)
 655         {
 656                 DEBUG(5, ("Error deleting entry from tdb rid database!\n"));
 657                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 658                 tdb_close(pwd_tdb);
 659                 return False;
 660         }
 661
 662         tdb_close(pwd_tdb);
 663
 664         return True;
 665 }
 666
 667 /***************************************************************************
 668  Update the TDB SAM
 669 ****************************************************************************/
 670 static BOOL tdb_update_sam(SAM_ACCOUNT* newpwd, BOOL override, int flag)
 671 {
 672         TDB_CONTEXT     *pwd_tdb;
 673         TDB_DATA        key, data;
 674         uint8           *buf = NULL;
 675         fstring         keystr;
 676         pstring         tdbfile;
 677         fstring         name;
 678         int             newtdb = FALSE;
 679
 680         pstrcpy (tdbfile, lp_private_dir());
 681         pstrcat (tdbfile, PASSDB_FILE_NAME);
 682
 683         if ( (!newpwd->uid) || (!newpwd->gid) )
 684                 DEBUG (0,("tdb_update_sam: Storing a SAM_ACCOUNT for [%s] with uid %d and gid %d!\n",
 685                         newpwd->username, newpwd->uid, newpwd->gid));
 686
 687         /* if we don't have a RID, then generate one */
 688         if (!newpwd->user_rid)
 689                 pdb_set_user_rid (newpwd, pdb_uid_to_user_rid (newpwd->uid));
 690         if (!newpwd->group_rid)
 691                 pdb_set_group_rid (newpwd, pdb_gid_to_group_rid (newpwd->gid));
 692
 693
 694         /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */
 695         if ((data.dsize=init_buffer_from_sam (&buf, newpwd)) == -1)
 696         {
 697                 DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n"));
 698                 return False;
 699         }
 700         data.dptr = buf;
 701
 702         fstrcpy (name, pdb_get_username(newpwd));
 703         strlower (name);
 704
 705         /* setup the USER index key */
 706         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 707         key.dptr = keystr;
 708         key.dsize = strlen (keystr) + 1;
 709
 710         /* invalidate the existing TDB iterator if it is open */
 711         if (global_tdb_ent.passwd_tdb)
 712         {
 713                 tdb_close(global_tdb_ent.passwd_tdb);
 714                 global_tdb_ent.passwd_tdb = NULL;
 715         }
 716
 717         /* open the account TDB passwd*/
 718         if (!(pwd_tdb = tdb_open(tdbfile, 0, 0, O_RDWR, 0600)))
 719         {
 720                 DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd!\n"));
 721                 if (flag == TDB_INSERT)
 722                 {
 723                         DEBUG(0, ("Unable to open TDB passwd, trying create new!\n"));
 724                         if (!(pwd_tdb = tdb_open(tdbfile, 0, 0, O_RDWR | O_CREAT | O_EXCL, 0600)))
 725                         {
 726                                 DEBUG(0, ("Unable to create TDB passwd (passdb.tdb) !!!\n"));
 727                                 return False;
 728                         }
 729                         newtdb = TRUE;
 730                 }
 731         }
 732
 733         /* add the account */
 734         if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS)
 735         {
 736                 DEBUG(0, ("Unable to modify passwd TDB!"));
 737                 DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 738                 tdb_close (pwd_tdb);
 739                 return False;
 740         }
 741
 742         /* setup RID data */
 743         data.dsize = sizeof(fstring);
 744         data.dptr = name;
 745
 746         /* setup the RID index key */
 747         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, pdb_get_user_rid(newpwd));
 748         key.dptr = keystr;
 749         key.dsize = strlen (keystr) + 1;
 750
 751         /* add the reference */
 752         if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS)
 753         {
 754                 DEBUG(0, ("Unable to modify TDB passwd !"));
 755                 DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 756                 tdb_close (pwd_tdb);
 757                 return False;
 758         }
 759
 760         /* cleanup */
 761         tdb_close (pwd_tdb);
 762
 763         return (True);
 764 }
 765
 766 /***************************************************************************
 767  Modifies an existing SAM_ACCOUNT
 768 ****************************************************************************/
 769 BOOL pdb_update_sam_account (SAM_ACCOUNT *newpwd, BOOL override)
 770 {
 771         return (tdb_update_sam(newpwd, override, TDB_MODIFY));
 772 }
 773
 774 /***************************************************************************
 775  Adds an existing SAM_ACCOUNT
 776 ****************************************************************************/
 777 BOOL pdb_add_sam_account (SAM_ACCOUNT *newpwd)
 778 {
 779         return (tdb_update_sam(newpwd, True, TDB_INSERT));
 780 }
 781
 782
 783 #else
 784         /* Do *NOT* make this function static. It breaks the compile on gcc. JRA */
 785         void samtdb_dummy_function(void) { } /* stop some compilers complaining */
 786 #endif /* WITH_TDBPWD */