source3/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  * Copyright (C) Andrew Bartlett 2002
   8  *
   9  * This program is free software; you can redistribute it and/or modify it under
  10  * the terms of the GNU General Public License as published by the Free
  11  * Software Foundation; either version 2 of the License, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful, but WITHOUT
  15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  17  * more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along with
  20  * this program; if not, write to the Free Software Foundation, Inc., 675
  21  * Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24 #include "includes.h"
  25
  26 #ifdef WITH_TDB_SAM
  27
  28 #define PDB_VERSION             "20010830"
  29 #define PASSDB_FILE_NAME        "/passdb.tdb"
  30 #define TDB_FORMAT_STRING       "ddddddBBBBBBBBBBBBddBBwdwdBdd"
  31 #define USERPREFIX              "USER_"
  32 #define RIDPREFIX               "RID_"
  33
  34 struct tdbsam_privates {
  35         TDB_CONTEXT     *passwd_tdb;
  36         TDB_DATA        key;
  37
  38         /* retrive-once info */
  39         const char *tdbsam_location;
  40
  41         BOOL permit_non_unix_accounts;
  42
  43         uint32 low_nua_rid;
  44         uint32 high_nua_rid;
  45 };
  46
  47 /**********************************************************************
  48  Intialize a SAM_ACCOUNT struct from a BYTE buffer of size len
  49  *********************************************************************/
  50
  51 static BOOL init_sam_from_buffer (struct tdbsam_privates *tdb_state,
  52                                   SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
  53 {
  54
  55         /* times are stored as 32bit integer
  56            take care on system with 64bit wide time_t
  57            --SSS */
  58         uint32  logon_time,
  59                 logoff_time,
  60                 kickoff_time,
  61                 pass_last_set_time,
  62                 pass_can_change_time,
  63                 pass_must_change_time;
  64         char *username;
  65         char *domain;
  66         char *nt_username;
  67         char *dir_drive;
  68         char *unknown_str;
  69         char *munged_dial;
  70         char *fullname;
  71         char *homedir;
  72         char *logon_script;
  73         char *profile_path;
  74         char *acct_desc;
  75         char *workstations;
  76         uint32  username_len, domain_len, nt_username_len,
  77                 dir_drive_len, unknown_str_len, munged_dial_len,
  78                 fullname_len, homedir_len, logon_script_len,
  79                 profile_path_len, acct_desc_len, workstations_len;
  80
  81         uint32  /* uid, gid,*/ user_rid, group_rid, unknown_3, hours_len, unknown_5, unknown_6;
  82         uint16  acct_ctrl, logon_divs;
  83         uint8   *hours;
  84         static uint8    *lm_pw_ptr, *nt_pw_ptr;
  85         uint32          len = 0;
  86         uint32          lmpwlen, ntpwlen, hourslen;
  87         BOOL ret = True;
  88         BOOL setflag;
  89         gid_t gid;
  90
  91         if(sampass == NULL || buf == NULL) {
  92                 DEBUG(0, ("init_sam_from_buffer: NULL parameters found!\n"));
  93                 return False;
  94         }
  95
  96         /* unpack the buffer into variables */
  97         len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING,
  98                 &logon_time,
  99                 &logoff_time,
 100                 &kickoff_time,
 101                 &pass_last_set_time,
 102                 &pass_can_change_time,
 103                 &pass_must_change_time,
 104                 &username_len, &username,
 105                 &domain_len, &domain,
 106                 &nt_username_len, &nt_username,
 107                 &fullname_len, &fullname,
 108                 &homedir_len, &homedir,
 109                 &dir_drive_len, &dir_drive,
 110                 &logon_script_len, &logon_script,
 111                 &profile_path_len, &profile_path,
 112                 &acct_desc_len, &acct_desc,
 113                 &workstations_len, &workstations,
 114                 &unknown_str_len, &unknown_str,
 115                 &munged_dial_len, &munged_dial,
 116                 &user_rid,
 117                 &group_rid,
 118                 &lmpwlen, &lm_pw_ptr,
 119                 &ntpwlen, &nt_pw_ptr,
 120                 &acct_ctrl,
 121                 &unknown_3,
 122                 &logon_divs,
 123                 &hours_len,
 124                 &hourslen, &hours,
 125                 &unknown_5,
 126                 &unknown_6);
 127
 128         if (len == -1)  {
 129                 ret = False;
 130                 goto done;
 131         }
 132
 133         if ((tdb_state->permit_non_unix_accounts)
 134             && (pdb_get_user_rid(sampass) >= tdb_state->low_nua_rid)
 135             && (pdb_get_user_rid(sampass) <= tdb_state->high_nua_rid)) {
 136
 137         } else {
 138                 struct passwd *pw;
 139                 /* validate the account and fill in UNIX uid and gid. Standard
 140                  * getpwnam() is used instead of Get_Pwnam() as we do not need
 141                  * to try case permutations
 142                  */
 143                 if (!username || !(pw=getpwnam(username))) {
 144                         DEBUG(0,("tdb_sam: getpwnam(%s) return NULL.  User does not exist!\n",
 145                                   username?username:"NULL"));
 146                         ret = False;
 147                         goto done;
 148                 }
 149                 pdb_set_uid(sampass, pw->pw_uid);
 150                 gid = pw->pw_gid;
 151                 pdb_set_gid(sampass, gid);
 152         }
 153
 154         pdb_set_logon_time(sampass, logon_time);
 155         pdb_set_logoff_time(sampass, logoff_time);
 156         pdb_set_kickoff_time(sampass, kickoff_time);
 157         pdb_set_pass_can_change_time(sampass, pass_can_change_time);
 158         pdb_set_pass_must_change_time(sampass, pass_must_change_time);
 159         pdb_set_pass_last_set_time(sampass, pass_last_set_time);
 160
 161         pdb_set_username     (sampass, username);
 162         pdb_set_domain       (sampass, domain);
 163         pdb_set_nt_username  (sampass, nt_username);
 164         pdb_set_fullname     (sampass, fullname);
 165
 166         if (homedir) setflag = True;
 167         else {
 168                 setflag = False;
 169                 homedir = strdup(lp_logon_home());
 170                 if(!homedir) { ret = False; goto done; }
 171                 standard_sub_advanced(-1, username, "", gid, username, homedir);
 172                 DEBUG(5,("Home directory set back to %s\n", homedir));
 173         }
 174         pdb_set_homedir(sampass, homedir, setflag);
 175
 176         if (dir_drive) setflag = True;
 177         else {
 178                 setflag = False;
 179                 dir_drive = strdup(lp_logon_drive());
 180                 if(!dir_drive) { ret = False; goto done; }
 181                 standard_sub_advanced(-1, username, "", gid, username, dir_drive);
 182                 DEBUG(5,("Home directory set back to %s\n", dir_drive));
 183         }
 184         pdb_set_dir_drive(sampass, dir_drive, setflag);
 185
 186         if (logon_script) setflag = True;
 187         else {
 188                 setflag = False;
 189                 logon_script = strdup(lp_logon_script());
 190                 if(!logon_script) { ret = False; goto done; }
 191                 standard_sub_advanced(-1, username, "", gid, username, logon_script);
 192                 DEBUG(5,("Home directory set back to %s\n", logon_script));
 193         }
 194         pdb_set_logon_script(sampass, logon_script, setflag);
 195
 196         if (profile_path) setflag = True;
 197         else {
 198                 setflag = False;
 199                 profile_path = strdup(lp_logon_path());
 200                 if(!profile_path) { ret = False; goto done; }
 201                 standard_sub_advanced(-1, username, "", gid, username, profile_path);
 202                 DEBUG(5,("Home directory set back to %s\n", profile_path));
 203         }
 204         pdb_set_profile_path(sampass, profile_path, setflag);
 205
 206         pdb_set_acct_desc    (sampass, acct_desc);
 207         pdb_set_workstations (sampass, workstations);
 208         pdb_set_munged_dial  (sampass, munged_dial);
 209         if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr)) {
 210                 ret = False;
 211                 goto done;
 212         }
 213         if (!pdb_set_nt_passwd(sampass, nt_pw_ptr)) {
 214                 ret = False;
 215                 goto done;
 216         }
 217
 218         /*pdb_set_uid(sampass, uid);
 219         pdb_set_gid(sampass, gid);*/
 220         pdb_set_user_rid(sampass, user_rid);
 221         pdb_set_group_rid(sampass, group_rid);
 222         pdb_set_unknown_3(sampass, unknown_3);
 223         pdb_set_hours_len(sampass, hours_len);
 224         pdb_set_unknown_5(sampass, unknown_5);
 225         pdb_set_unknown_6(sampass, unknown_6);
 226         pdb_set_acct_ctrl(sampass, acct_ctrl);
 227         pdb_set_logon_divs(sampass, logon_divs);
 228         pdb_set_hours(sampass, hours);
 229
 230 done:
 231
 232         SAFE_FREE(username);
 233         SAFE_FREE(domain);
 234         SAFE_FREE(nt_username);
 235         SAFE_FREE(fullname);
 236         SAFE_FREE(homedir);
 237         SAFE_FREE(dir_drive);
 238         SAFE_FREE(logon_script);
 239         SAFE_FREE(profile_path);
 240         SAFE_FREE(acct_desc);
 241         SAFE_FREE(workstations);
 242         SAFE_FREE(munged_dial);
 243
 244         return ret;
 245 }
 246
 247 /**********************************************************************
 248  Intialize a BYTE buffer from a SAM_ACCOUNT struct
 249  *********************************************************************/
 250 static uint32 init_buffer_from_sam (struct tdbsam_privates *tdb_state, uint8 **buf,
 251                                     const SAM_ACCOUNT *sampass, uint32 user_rid, uint32 group_rid)
 252 {
 253         size_t          len, buflen;
 254
 255         /* times are stored as 32bit integer
 256            take care on system with 64bit wide time_t
 257            --SSS */
 258         uint32  logon_time,
 259                 logoff_time,
 260                 kickoff_time,
 261                 pass_last_set_time,
 262                 pass_can_change_time,
 263                 pass_must_change_time;
 264         const char *username;
 265         const char *domain;
 266         const char *nt_username;
 267         const char *dir_drive;
 268         const char *unknown_str;
 269         const char *munged_dial;
 270         const char *fullname;
 271         const char *homedir;
 272         const char *logon_script;
 273         const char *profile_path;
 274         const char *acct_desc;
 275         const char *workstations;
 276         uint32  username_len, domain_len, nt_username_len,
 277                 dir_drive_len, unknown_str_len, munged_dial_len,
 278                 fullname_len, homedir_len, logon_script_len,
 279                 profile_path_len, acct_desc_len, workstations_len;
 280
 281         const uint8 *lm_pw;
 282         const uint8 *nt_pw;
 283         uint32  lm_pw_len = 16;
 284         uint32  nt_pw_len = 16;
 285
 286         /* do we have a valid SAM_ACCOUNT pointer? */
 287         if (sampass == NULL) {
 288                 DEBUG(0, ("init_buffer_from_sam: SAM_ACCOUNT is NULL!\n"));
 289                 return -1;
 290         }
 291
 292         *buf = NULL;
 293         buflen = 0;
 294
 295         logon_time = (uint32)pdb_get_logon_time(sampass);
 296         logoff_time = (uint32)pdb_get_logoff_time(sampass);
 297         kickoff_time = (uint32)pdb_get_kickoff_time(sampass);
 298         pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass);
 299         pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass);
 300         pass_last_set_time = (uint32)pdb_get_pass_last_set_time(sampass);
 301
 302
 303         username = pdb_get_username(sampass);
 304         if (username) username_len = strlen(username) +1;
 305         else username_len = 0;
 306
 307         domain = pdb_get_domain(sampass);
 308         if (domain) domain_len = strlen(domain) +1;
 309         else domain_len = 0;
 310
 311         nt_username = pdb_get_nt_username(sampass);
 312         if (nt_username) nt_username_len = strlen(nt_username) +1;
 313         else nt_username_len = 0;
 314
 315         fullname = pdb_get_fullname(sampass);
 316         if (fullname) fullname_len = strlen(fullname) +1;
 317         else fullname_len = 0;
 318
 319         /*
 320          * Only updates fields which have been set (not defaults from smb.conf)
 321          */
 322
 323         if (IS_SAM_SET(sampass, FLAG_SAM_DRIVE)) dir_drive = pdb_get_dirdrive(sampass);
 324         else dir_drive = NULL;
 325         if (dir_drive) dir_drive_len = strlen(dir_drive) +1;
 326         else dir_drive_len = 0;
 327
 328         if (IS_SAM_SET(sampass, FLAG_SAM_SMBHOME)) homedir = pdb_get_homedir(sampass);
 329         else homedir = NULL;
 330         if (homedir) homedir_len = strlen(homedir) +1;
 331         else homedir_len = 0;
 332
 333         if (IS_SAM_SET(sampass, FLAG_SAM_LOGONSCRIPT)) logon_script = pdb_get_logon_script(sampass);
 334         else logon_script = NULL;
 335         if (logon_script) logon_script_len = strlen(logon_script) +1;
 336         else logon_script_len = 0;
 337
 338         if (IS_SAM_SET(sampass, FLAG_SAM_PROFILE)) profile_path = pdb_get_profile_path(sampass);
 339         else profile_path = NULL;
 340         if (profile_path) profile_path_len = strlen(profile_path) +1;
 341         else profile_path_len = 0;
 342
 343         lm_pw = pdb_get_lanman_passwd(sampass);
 344         if (!lm_pw) lm_pw_len = 0;
 345
 346         nt_pw = pdb_get_nt_passwd(sampass);
 347         if (!nt_pw) nt_pw_len = 0;
 348
 349         acct_desc = pdb_get_acct_desc(sampass);
 350         if (acct_desc) acct_desc_len = strlen(acct_desc) +1;
 351         else acct_desc_len = 0;
 352
 353         workstations = pdb_get_workstations(sampass);
 354         if (workstations) workstations_len = strlen(workstations) +1;
 355         else workstations_len = 0;
 356
 357         unknown_str = NULL;
 358         unknown_str_len = 0;
 359
 360         munged_dial = pdb_get_munged_dial(sampass);
 361         if (munged_dial) munged_dial_len = strlen(munged_dial) +1;
 362         else munged_dial_len = 0;
 363
 364         /* one time to get the size needed */
 365         len = tdb_pack(NULL, 0,  TDB_FORMAT_STRING,
 366                 logon_time,
 367                 logoff_time,
 368                 kickoff_time,
 369                 pass_last_set_time,
 370                 pass_can_change_time,
 371                 pass_must_change_time,
 372                 username_len, username,
 373                 domain_len, domain,
 374                 nt_username_len, nt_username,
 375                 fullname_len, fullname,
 376                 homedir_len, homedir,
 377                 dir_drive_len, dir_drive,
 378                 logon_script_len, logon_script,
 379                 profile_path_len, profile_path,
 380                 acct_desc_len, acct_desc,
 381                 workstations_len, workstations,
 382                 unknown_str_len, unknown_str,
 383                 munged_dial_len, munged_dial,
 384                 user_rid,
 385                 group_rid,
 386                 lm_pw_len, lm_pw,
 387                 nt_pw_len, nt_pw,
 388                 pdb_get_acct_ctrl(sampass),
 389                 pdb_get_unknown3(sampass),
 390                 pdb_get_logon_divs(sampass),
 391                 pdb_get_hours_len(sampass),
 392                 MAX_HOURS_LEN, pdb_get_hours(sampass),
 393                 pdb_get_unknown5(sampass),
 394                 pdb_get_unknown6(sampass));
 395
 396
 397         /* malloc the space needed */
 398         if ( (*buf=(uint8*)malloc(len)) == NULL) {
 399                 DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n"));
 400                 return (-1);
 401         }
 402
 403         /* now for the real call to tdb_pack() */
 404         buflen = tdb_pack(*buf, len,  TDB_FORMAT_STRING,
 405                 logon_time,
 406                 logoff_time,
 407                 kickoff_time,
 408                 pass_last_set_time,
 409                 pass_can_change_time,
 410                 pass_must_change_time,
 411                 username_len, username,
 412                 domain_len, domain,
 413                 nt_username_len, nt_username,
 414                 fullname_len, fullname,
 415                 homedir_len, homedir,
 416                 dir_drive_len, dir_drive,
 417                 logon_script_len, logon_script,
 418                 profile_path_len, profile_path,
 419                 acct_desc_len, acct_desc,
 420                 workstations_len, workstations,
 421                 unknown_str_len, unknown_str,
 422                 munged_dial_len, munged_dial,
 423                 user_rid,
 424                 group_rid,
 425                 lm_pw_len, lm_pw,
 426                 nt_pw_len, nt_pw,
 427                 pdb_get_acct_ctrl(sampass),
 428                 pdb_get_unknown3(sampass),
 429                 pdb_get_logon_divs(sampass),
 430                 pdb_get_hours_len(sampass),
 431                 MAX_HOURS_LEN, pdb_get_hours(sampass),
 432                 pdb_get_unknown5(sampass),
 433                 pdb_get_unknown6(sampass));
 434
 435
 436         /* check to make sure we got it correct */
 437         if (buflen != len) {
 438                 DEBUG(0, ("init_buffer_from_sam: somthing odd is going on here: bufflen (%d) != len (%d) in tdb_pack operations!\n",
 439                           buflen, len));
 440                 /* error */
 441                 SAFE_FREE (*buf);
 442                 return (-1);
 443         }
 444
 445         return (buflen);
 446 }
 447
 448 /***************************************************************
 449  Open the TDB passwd database for SAM account enumeration.
 450 ****************************************************************/
 451
 452 static BOOL tdbsam_setsampwent(struct pdb_context *context, BOOL update)
 453 {
 454         struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
 455
 456         /* Open tdb passwd */
 457         if (!(tdb_state->passwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, update?(O_RDWR|O_CREAT):O_RDONLY, 0600)))
 458         {
 459                 DEBUG(0, ("Unable to open/create TDB passwd\n"));
 460                 return False;
 461         }
 462
 463         tdb_state->key = tdb_firstkey(tdb_state->passwd_tdb);
 464
 465         return True;
 466 }
 467
 468 static void close_tdb(struct tdbsam_privates *tdb_state)
 469 {
 470         if (tdb_state->passwd_tdb) {
 471                 tdb_close(tdb_state->passwd_tdb);
 472                 tdb_state->passwd_tdb = NULL;
 473         }
 474 }
 475
 476 /***************************************************************
 477  End enumeration of the TDB passwd list.
 478 ****************************************************************/
 479
 480 static void tdbsam_endsampwent(struct pdb_context *context)
 481 {
 482         struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
 483         close_tdb(tdb_state);
 484
 485         DEBUG(7, ("endtdbpwent: closed sam database.\n"));
 486 }
 487
 488 /*****************************************************************
 489  Get one SAM_ACCOUNT from the TDB (next in line)
 490 *****************************************************************/
 491
 492 static BOOL tdbsam_getsampwent(struct pdb_context *context, SAM_ACCOUNT *user)
 493 {
 494         struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
 495         TDB_DATA        data;
 496         char *prefix = USERPREFIX;
 497         int  prefixlen = strlen (prefix);
 498
 499
 500         if (user==NULL) {
 501                 DEBUG(0,("pdb_get_sampwent: SAM_ACCOUNT is NULL.\n"));
 502                 return False;
 503         }
 504
 505         /* skip all non-USER entries (eg. RIDs) */
 506         while ((tdb_state->key.dsize != 0) && (strncmp(tdb_state->key.dptr, prefix, prefixlen)))
 507                 /* increment to next in line */
 508                 tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key);
 509
 510         /* do we have an valid interation pointer? */
 511         if(tdb_state->passwd_tdb == NULL) {
 512                 DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n"));
 513                 return False;
 514         }
 515
 516         data = tdb_fetch(tdb_state->passwd_tdb, tdb_state->key);
 517         if (!data.dptr) {
 518                 DEBUG(5,("pdb_getsampwent: database entry not found.\n"));
 519                 return False;
 520         }
 521
 522         /* unpack the buffer */
 523         if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) {
 524                 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
 525                 SAFE_FREE(data.dptr);
 526                 return False;
 527         }
 528         SAFE_FREE(data.dptr);
 529
 530         /* increment to next in line */
 531         tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key);
 532
 533         return True;
 534 }
 535
 536 /******************************************************************
 537  Lookup a name in the SAM TDB
 538 ******************************************************************/
 539
 540 static BOOL tdbsam_getsampwnam (struct pdb_context *context, SAM_ACCOUNT *user, const char *sname)
 541 {
 542         struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
 543         TDB_CONTEXT     *pwd_tdb;
 544         TDB_DATA        data, key;
 545         fstring         keystr;
 546         fstring         name;
 547
 548         if (user==NULL) {
 549                 DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n"));
 550                 return False;
 551         }
 552
 553         /* Data is stored in all lower-case */
 554         unix_strlower(sname, -1, name, sizeof(name));
 555
 556         /* set search key */
 557         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 558         key.dptr = keystr;
 559         key.dsize = strlen(keystr) + 1;
 560
 561         /* open the accounts TDB */
 562         if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
 563                 DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location));
 564                 return False;
 565         }
 566
 567         /* get the record */
 568         data = tdb_fetch(pwd_tdb, key);
 569         if (!data.dptr) {
 570                 DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n"));
 571                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 572                 DEBUGADD(5, (" Key: %s\n", keystr));
 573                 tdb_close(pwd_tdb);
 574                 return False;
 575         }
 576
 577         /* unpack the buffer */
 578         if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) {
 579                 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
 580                 SAFE_FREE(data.dptr);
 581                 tdb_close(pwd_tdb);
 582                 return False;
 583         }
 584         SAFE_FREE(data.dptr);
 585
 586         /* no further use for database, close it now */
 587         tdb_close(pwd_tdb);
 588
 589         return True;
 590 }
 591
 592 /***************************************************************************
 593  Search by rid
 594  **************************************************************************/
 595
 596 static BOOL tdbsam_getsampwrid (struct pdb_context *context, SAM_ACCOUNT *user, uint32 rid)
 597 {
 598         struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
 599         TDB_CONTEXT             *pwd_tdb;
 600         TDB_DATA                data, key;
 601         fstring                 keystr;
 602         fstring                 name;
 603
 604         if (user==NULL) {
 605                 DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n"));
 606                 return False;
 607         }
 608
 609         /* set search key */
 610         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
 611         key.dptr = keystr;
 612         key.dsize = strlen (keystr) + 1;
 613
 614         /* open the accounts TDB */
 615         if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
 616                 DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n"));
 617                 return False;
 618         }
 619
 620         /* get the record */
 621         data = tdb_fetch (pwd_tdb, key);
 622         if (!data.dptr) {
 623                 DEBUG(5,("pdb_getsampwrid (TDB): error fetching database.\n"));
 624                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 625                 tdb_close (pwd_tdb);
 626                 return False;
 627         }
 628
 629         fstrcpy (name, data.dptr);
 630         SAFE_FREE(data.dptr);
 631
 632         tdb_close (pwd_tdb);
 633
 634         return tdbsam_getsampwnam (context, user, name);
 635 }
 636
 637 /***************************************************************************
 638  Delete a SAM_ACCOUNT
 639 ****************************************************************************/
 640
 641 static BOOL tdbsam_delete_sam_account(struct pdb_context *context, const SAM_ACCOUNT *sam_pass)
 642 {
 643         struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
 644         TDB_CONTEXT     *pwd_tdb;
 645         TDB_DATA        key;
 646         fstring         keystr;
 647         uint32          rid;
 648         fstring         name;
 649
 650         unix_strlower(pdb_get_username(sam_pass), -1, name, sizeof(name));
 651
 652         /* open the TDB */
 653         if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR, 0600))) {
 654                 DEBUG(0, ("Unable to open TDB passwd!"));
 655                 return False;
 656         }
 657
 658         /* set the search key */
 659         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 660         key.dptr = keystr;
 661         key.dsize = strlen (keystr) + 1;
 662
 663         rid = pdb_get_user_rid(sam_pass);
 664
 665         /* it's outaa here!  8^) */
 666         if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
 667                 DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
 668                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 669                 tdb_close(pwd_tdb);
 670                 return False;
 671         }
 672
 673         /* delete also the RID key */
 674
 675         /* set the search key */
 676         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
 677         key.dptr = keystr;
 678         key.dsize = strlen (keystr) + 1;
 679
 680         /* it's outaa here!  8^) */
 681         if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
 682                 DEBUG(5, ("Error deleting entry from tdb rid database!\n"));
 683                 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 684                 tdb_close(pwd_tdb);
 685                 return False;
 686         }
 687
 688         tdb_close(pwd_tdb);
 689
 690         return True;
 691 }
 692
 693 /***************************************************************************
 694  Update the TDB SAM
 695 ****************************************************************************/
 696
 697 static BOOL tdb_update_sam(struct pdb_context *context, const SAM_ACCOUNT* newpwd, int flag)
 698 {
 699         struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
 700         TDB_CONTEXT     *pwd_tdb = NULL;
 701         TDB_DATA        key, data;
 702         uint8           *buf = NULL;
 703         fstring         keystr;
 704         fstring         name;
 705         BOOL            ret = True;
 706         uint32          user_rid;
 707         uint32         group_rid;
 708         int32          tdb_ret;
 709
 710         /* invalidate the existing TDB iterator if it is open */
 711         if (tdb_state->passwd_tdb) {
 712                 tdb_close(tdb_state->passwd_tdb);
 713                 tdb_state->passwd_tdb = NULL;
 714         }
 715
 716         /* open the account TDB passwd*/
 717         pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600);
 718         if (!pwd_tdb)
 719         {
 720                 DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location));
 721                 return False;
 722         }
 723
 724         /* if we don't have a RID, then make them up. */
 725         if (!(user_rid = pdb_get_user_rid(newpwd))) {
 726                 if (!tdb_state->permit_non_unix_accounts) {
 727                         DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a RID\n",pdb_get_username(newpwd)));
 728                         ret = False;
 729                         goto done;
 730                 } else {
 731                         user_rid = tdb_state->low_nua_rid;
 732                         tdb_ret = tdb_change_int32_atomic(pwd_tdb, "NUA_NEXT_RID", &user_rid, RID_MULTIPLIER);
 733                         if (tdb_ret == -1) {
 734                                 ret = False;
 735                                 goto done;
 736                         }
 737                 }
 738         }
 739
 740         if (!(group_rid = pdb_get_group_rid(newpwd))) {
 741                 if (!tdb_state->permit_non_unix_accounts) {
 742                         DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",pdb_get_username(newpwd)));
 743                         ret = False;
 744                         goto done;
 745                 } else {
 746                         /* This seems like a good default choice for non-unix users */
 747                         group_rid = DOMAIN_GROUP_RID_USERS;
 748                 }
 749         }
 750
 751         /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */
 752         if ((data.dsize=init_buffer_from_sam (tdb_state, &buf, newpwd, user_rid, group_rid)) == -1) {
 753                 DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n"));
 754                 ret = False;
 755                 goto done;
 756         }
 757         data.dptr = buf;
 758
 759         unix_strlower(pdb_get_username(newpwd), -1, name, sizeof(name));
 760
 761         DEBUG(5, ("Storing %saccount %s with RID %d\n", flag == TDB_INSERT ? "(new) " : "", name, user_rid));
 762
 763         /* setup the USER index key */
 764         slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
 765         key.dptr = keystr;
 766         key.dsize = strlen (keystr) + 1;
 767
 768         /* add the account */
 769         if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
 770                 DEBUG(0, ("Unable to modify passwd TDB!"));
 771                 DEBUGADD(0, (" Error: %s", tdb_errorstr(pwd_tdb)));
 772                 DEBUGADD(0, (" occured while storing the main record (%s)\n", keystr));
 773                 ret = False;
 774                 goto done;
 775         }
 776
 777         /* setup RID data */
 778         data.dsize = sizeof(fstring);
 779         data.dptr = name;
 780
 781         /* setup the RID index key */
 782         slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, user_rid);
 783         key.dptr = keystr;
 784         key.dsize = strlen (keystr) + 1;
 785
 786         /* add the reference */
 787         if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
 788                 DEBUG(0, ("Unable to modify TDB passwd !"));
 789                 DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
 790                 DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr));
 791                 ret = False;
 792                 goto done;
 793         }
 794
 795 done:
 796         /* cleanup */
 797         tdb_close (pwd_tdb);
 798         SAFE_FREE(buf);
 799
 800         return (ret);
 801 }
 802
 803 /***************************************************************************
 804  Modifies an existing SAM_ACCOUNT
 805 ****************************************************************************/
 806
 807 static BOOL tdbsam_update_sam_account (struct pdb_context *context, const SAM_ACCOUNT *newpwd)
 808 {
 809         return (tdb_update_sam(context, newpwd, TDB_MODIFY));
 810 }
 811
 812 /***************************************************************************
 813  Adds an existing SAM_ACCOUNT
 814 ****************************************************************************/
 815
 816 static BOOL tdbsam_add_sam_account (struct pdb_context *context, const SAM_ACCOUNT *newpwd)
 817 {
 818         return (tdb_update_sam(context, newpwd, TDB_INSERT));
 819 }
 820
 821 static void free_private_data(void **vp)
 822 {
 823         struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp;
 824         close_tdb(*tdb_state);
 825         *tdb_state = NULL;
 826
 827         /* No need to free any further, as it is talloc()ed */
 828 }
 829
 830
 831 NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
 832 {
 833         NTSTATUS nt_status;
 834         struct tdbsam_privates *tdb_state;
 835
 836         if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
 837                 return nt_status;
 838         }
 839
 840         (*pdb_method)->setsampwent = tdbsam_setsampwent;
 841         (*pdb_method)->endsampwent = tdbsam_endsampwent;
 842         (*pdb_method)->getsampwent = tdbsam_getsampwent;
 843         (*pdb_method)->getsampwnam = tdbsam_getsampwnam;
 844         (*pdb_method)->getsampwrid = tdbsam_getsampwrid;
 845         (*pdb_method)->add_sam_account = tdbsam_add_sam_account;
 846         (*pdb_method)->update_sam_account = tdbsam_update_sam_account;
 847         (*pdb_method)->delete_sam_account = tdbsam_delete_sam_account;
 848
 849         /* TODO: Setup private data and free */
 850
 851         tdb_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct tdbsam_privates));
 852
 853         if (!tdb_state) {
 854                 DEBUG(0, ("talloc() failed for tdbsam private_data!\n"));
 855                 return NT_STATUS_NO_MEMORY;
 856         }
 857
 858         if (location) {
 859                 tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, location);
 860         } else {
 861                 pstring tdbfile;
 862                 get_private_directory(tdbfile);
 863                 pstrcat (tdbfile, PASSDB_FILE_NAME);
 864                 tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, tdbfile);
 865         }
 866
 867         (*pdb_method)->private_data = tdb_state;
 868
 869         (*pdb_method)->free_private_data = free_private_data;
 870
 871         return NT_STATUS_OK;
 872 }
 873
 874 NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
 875 {
 876         NTSTATUS nt_status;
 877         struct tdbsam_privates *tdb_state;
 878         uint32 low_nua_uid, high_nua_uid;
 879
 880         if (!NT_STATUS_IS_OK(nt_status = pdb_init_tdbsam(pdb_context, pdb_method, location))) {
 881                 return nt_status;
 882         }
 883
 884         tdb_state = (*pdb_method)->private_data;
 885
 886         tdb_state->permit_non_unix_accounts = True;
 887
 888         if (!lp_non_unix_account_range(&low_nua_uid, &high_nua_uid)) {
 889                 DEBUG(0, ("cannot use tdbsam_nua without 'non unix account range' in smb.conf!\n"));
 890                 return NT_STATUS_UNSUCCESSFUL;
 891         }
 892
 893         tdb_state->low_nua_rid=pdb_uid_to_user_rid(low_nua_uid);
 894
 895         tdb_state->high_nua_rid=pdb_uid_to_user_rid(high_nua_uid);
 896
 897         return NT_STATUS_OK;
 898 }
 899
 900
 901 #else
 902
 903 NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
 904 {
 905         DEBUG(0, ("tdbsam not compiled in!\n"));
 906         return NT_STATUS_UNSUCCESSFUL;
 907 }
 908
 909 NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
 910 {
 911         DEBUG(0, ("tdbsam_nua not compiled in!\n"));
 912         return NT_STATUS_UNSUCCESSFUL;
 913 }
 914
 915
 916 #endif