1/* 2 * Unix SMB/CIFS implementation. 3 * SMB parameters and setup 4 * Copyright (C) Andrew Tridgell 1992-1998 5 * Copyright (C) Simo Sorce 2000-2003 6 * Copyright (C) Gerald Carter 2000 7 * Copyright (C) Jeremy Allison 2001 8 * Copyright (C) Andrew Bartlett 2002 9 * 10 * This program is free software; you can redistribute it and/or modify it under 11 * the terms of the GNU General Public License as published by the Free 12 * Software Foundation; either version 2 of the License, or (at your option) 13 * any later version. 14 * 15 * This program is distributed in the hope that it will be useful, but WITHOUT 16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 18 * more details. 19 * 20 * You should have received a copy of the GNU General Public License along with 21 * this program; if not, write to the Free Software Foundation, Inc., 675 22 * Mass Ave, Cambridge, MA 02139, USA. 23 */ 24 25#include "includes.h" 26 27#if 0 /* when made a module use this */ 28 29static int tdbsam_debug_level = DBGC_ALL; 30#undef DBGC_CLASS 31#define DBGC_CLASS tdbsam_debug_level 32 33#else 34 35#undef DBGC_CLASS 36#define DBGC_CLASS DBGC_PASSDB 37 38#endif 39 40#define TDBSAM_VERSION 2 /* Most recent TDBSAM version */ 41#define TDBSAM_VERSION_STRING "INFO/version" 42#define PASSDB_FILE_NAME "passdb.tdb" 43#define USERPREFIX "USER_" 44#define RIDPREFIX "RID_" 45#define PRIVPREFIX "PRIV_" 46#define tdbsamver_t int32 47 48struct tdbsam_privates { 49 TDB_CONTEXT *passwd_tdb; 50 51 /* retrive-once info */ 52 const char *tdbsam_location; 53}; 54 55struct pwent_list { 56 struct pwent_list *prev, *next; 57 TDB_DATA key; 58}; 59static struct pwent_list *tdbsam_pwent_list; 60 61 62/** 63 * Convert old TDBSAM to the latest version. 64 * @param pdb_tdb A pointer to the opened TDBSAM file which must be converted. 65 * This file must be opened with read/write access. 66 * @param from Current version of the TDBSAM file. 67 * @return True if the conversion has been successful, false otherwise. 68 **/ 69 70static BOOL tdbsam_convert(TDB_CONTEXT *pdb_tdb, tdbsamver_t from) 71{ 72 const char * vstring = TDBSAM_VERSION_STRING; 73 SAM_ACCOUNT *user = NULL; 74 const char *prefix = USERPREFIX; 75 TDB_DATA data, key, old_key; 76 uint8 *buf = NULL; 77 BOOL ret; 78 79 if (pdb_tdb == NULL) { 80 DEBUG(0,("tdbsam_convert: Bad TDB Context pointer.\n")); 81 return False; 82 } 83 84 /* handle a Samba upgrade */ 85 tdb_lock_bystring(pdb_tdb, vstring, 0); 86 87 if (!NT_STATUS_IS_OK(pdb_init_sam(&user))) { 88 DEBUG(0,("tdbsam_convert: cannot initialized a SAM_ACCOUNT.\n")); 89 return False; 90 } 91 92 /* Enumerate all records and convert them */ 93 key = tdb_firstkey(pdb_tdb); 94 95 while (key.dptr) { 96 97 /* skip all non-USER entries (eg. RIDs) */ 98 while ((key.dsize != 0) && (strncmp(key.dptr, prefix, strlen (prefix)))) { 99 old_key = key; 100 /* increment to next in line */ 101 key = tdb_nextkey(pdb_tdb, key); 102 SAFE_FREE(old_key.dptr); 103 } 104 105 if (key.dptr) { 106 107 /* read from tdbsam */ 108 data = tdb_fetch(pdb_tdb, key); 109 if (!data.dptr) { 110 DEBUG(0,("tdbsam_convert: database entry not found: %s.\n",key.dptr)); 111 return False; 112 } 113 114 if (!NT_STATUS_IS_OK(pdb_reset_sam(user))) { 115 DEBUG(0,("tdbsam_convert: cannot reset SAM_ACCOUNT.\n")); 116 SAFE_FREE(data.dptr); 117 return False; 118 } 119 120 /* unpack the buffer from the former format */ 121 DEBUG(10,("tdbsam_convert: Try unpacking a record with (key:%s) (version:%d)\n", key.dptr, from)); 122 switch (from) { 123 case 0: 124 ret = init_sam_from_buffer_v0(user, (uint8 *)data.dptr, data.dsize); 125 break; 126 case 1: 127 ret = init_sam_from_buffer_v1(user, (uint8 *)data.dptr, data.dsize); 128 break; 129 case 2: 130 ret = init_sam_from_buffer_v2(user, (uint8 *)data.dptr, data.dsize); 131 break; 132 default: 133 /* unknown tdbsam version */ 134 ret = False; 135 } 136 if (!ret) { 137 DEBUG(0,("tdbsam_convert: Bad SAM_ACCOUNT entry returned from TDB (key:%s) (version:%d)\n", key.dptr, from)); 138 SAFE_FREE(data.dptr); 139 return False; 140 } 141 142 /* We're finished with the old data. */ 143 SAFE_FREE(data.dptr); 144 145 /* pack from the buffer into the new format */ 146 DEBUG(10,("tdbsam_convert: Try packing a record (key:%s) (version:%d)\n", key.dptr, from)); 147 if ((data.dsize=init_buffer_from_sam (&buf, user, False)) == -1) { 148 DEBUG(0,("tdbsam_convert: cannot pack the SAM_ACCOUNT into the new format\n")); 149 SAFE_FREE(data.dptr); 150 return False; 151 } 152 data.dptr = (char *)buf; 153 154 /* Store the buffer inside the TDBSAM */ 155 if (tdb_store(pdb_tdb, key, data, TDB_MODIFY) != TDB_SUCCESS) { 156 DEBUG(0,("tdbsam_convert: cannot store the SAM_ACCOUNT (key:%s) in new format\n",key.dptr)); 157 SAFE_FREE(data.dptr); 158 return False; 159 } 160 161 SAFE_FREE(data.dptr); 162 163 /* increment to next in line */ 164 old_key = key; 165 key = tdb_nextkey(pdb_tdb, key); 166 SAFE_FREE(old_key.dptr); 167 } 168 169 } 170 171 pdb_free_sam(&user); 172 173 /* upgrade finished */ 174 tdb_store_int32(pdb_tdb, vstring, TDBSAM_VERSION); 175 tdb_unlock_bystring(pdb_tdb, vstring); 176 177 return(True); 178} 179 180/** 181 * Open the TDB passwd database, check version and convert it if needed. 182 * @param name filename of the tdbsam file. 183 * @param open_flags file access mode. 184 * @return a TDB_CONTEXT handle on the tdbsam file. 185 **/ 186 187static TDB_CONTEXT * tdbsam_tdbopen (const char *name, int open_flags) 188{ 189 TDB_CONTEXT *pdb_tdb; 190 tdbsamver_t version; 191 192 /* Try to open tdb passwd */ 193 if (!(pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, 194 open_flags, 0600))) { 195 DEBUG(0, ("Unable to open/create TDB passwd\n")); 196 return NULL; 197 } 198 199 /* Check the version */ 200 version = (tdbsamver_t) tdb_fetch_int32(pdb_tdb, 201 TDBSAM_VERSION_STRING); 202 if (version == -1) 203 version = 0; /* Version not found, assume version 0 */ 204 205 /* Compare the version */ 206 if (version > TDBSAM_VERSION) { 207 /* Version more recent than the latest known */ 208 DEBUG(0, ("TDBSAM version unknown: %d\n", version)); 209 tdb_close(pdb_tdb); 210 pdb_tdb = NULL; 211 } 212 else if (version < TDBSAM_VERSION) { 213 /* Older version, must be converted */ 214 DEBUG(1, ("TDBSAM version too old (%d), trying to convert it.\n", version)); 215 216 /* Reopen the pdb file with read-write access if needed */ 217 if (!(open_flags & O_RDWR)) { 218 DEBUG(10, ("tdbsam_tdbopen: TDB file opened with read only access, reopen it with read-write access.\n")); 219 tdb_close(pdb_tdb); 220 pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, (open_flags & 07777770) | O_RDWR, 0600); 221 } 222 223 /* Convert */ 224 if (!tdbsam_convert(pdb_tdb, version)){ 225 DEBUG(0, ("tdbsam_tdbopen: Error when trying to convert tdbsam: %s\n",name)); 226 tdb_close(pdb_tdb); 227 pdb_tdb = NULL; 228 } else { 229 DEBUG(1, ("TDBSAM converted successfully.\n")); 230 } 231 232 /* Reopen the pdb file as it must be */ 233 if (!(open_flags & O_RDWR)) { 234 tdb_close(pdb_tdb); 235 pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, open_flags, 0600); 236 } 237 } 238 239 return pdb_tdb; 240} 241 242/***************************************************************************** 243 Utility functions to close the tdb sam database 244 ****************************************************************************/ 245 246static void tdbsam_tdbclose ( struct tdbsam_privates *state ) 247{ 248 if ( !state ) 249 return; 250 251 if ( state->passwd_tdb ) { 252 tdb_close( state->passwd_tdb ); 253 state->passwd_tdb = NULL; 254 } 255 256 return; 257 258} 259 260/**************************************************************************** 261 creates a list of user keys 262****************************************************************************/ 263 264static int tdbsam_traverse_setpwent(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state) 265{ 266 const char *prefix = USERPREFIX; 267 int prefixlen = strlen (prefix); 268 struct pwent_list *ptr; 269 270 if ( strncmp(key.dptr, prefix, prefixlen) == 0 ) { 271 if ( !(ptr=SMB_MALLOC_P(struct pwent_list)) ) { 272 DEBUG(0,("tdbsam_traverse_setpwent: Failed to malloc new entry for list\n")); 273 274 /* just return 0 and let the traversal continue */ 275 return 0; 276 } 277 ZERO_STRUCTP(ptr); 278 279 /* save a copy of the key */ 280 281 ptr->key.dptr = memdup( key.dptr, key.dsize ); 282 ptr->key.dsize = key.dsize; 283 284 DLIST_ADD( tdbsam_pwent_list, ptr ); 285 286 } 287 288 289 return 0; 290} 291 292/*************************************************************** 293 Open the TDB passwd database for SAM account enumeration. 294 Save a list of user keys for iteration. 295****************************************************************/ 296 297static NTSTATUS tdbsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint16 acb_mask) 298{ 299 uint32 flags = update ? (O_RDWR|O_CREAT) : O_RDONLY; 300 301 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; 302 303 if ( !(tdb_state->passwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, flags )) ) 304 return NT_STATUS_UNSUCCESSFUL; 305 306 tdb_traverse( tdb_state->passwd_tdb, tdbsam_traverse_setpwent, NULL ); 307 308 return NT_STATUS_OK; 309} 310 311 312/*************************************************************** 313 End enumeration of the TDB passwd list. 314****************************************************************/ 315 316static void tdbsam_endsampwent(struct pdb_methods *my_methods) 317{ 318 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; 319 struct pwent_list *ptr, *ptr_next; 320 321 tdbsam_tdbclose( tdb_state ); 322 323 /* clear out any remaining entries in the list */ 324 325 for ( ptr=tdbsam_pwent_list; ptr; ptr = ptr_next ) { 326 ptr_next = ptr->next; 327 DLIST_REMOVE( tdbsam_pwent_list, ptr ); 328 SAFE_FREE( ptr->key.dptr); 329 SAFE_FREE( ptr ); 330 } 331 332 DEBUG(7, ("endtdbpwent: closed sam database.\n")); 333} 334 335/***************************************************************** 336 Get one SAM_ACCOUNT from the TDB (next in line) 337*****************************************************************/ 338 339static NTSTATUS tdbsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user) 340{ 341 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; 342 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; 343 TDB_DATA data; 344 struct pwent_list *pkey; 345 346 if ( !user ) { 347 DEBUG(0,("tdbsam_getsampwent: SAM_ACCOUNT is NULL.\n")); 348 return nt_status; 349 } 350 351 if ( !tdbsam_pwent_list ) { 352 DEBUG(4,("tdbsam_getsampwent: end of list\n")); 353 tdbsam_tdbclose( tdb_state ); 354 return nt_status; 355 } 356 357 if ( !tdb_state->passwd_tdb ) { 358 if ( !(tdb_state->passwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY)) ) 359 return nt_status; 360 } 361 362 /* pull the next entry */ 363 364 pkey = tdbsam_pwent_list; 365 DLIST_REMOVE( tdbsam_pwent_list, pkey ); 366 367 data = tdb_fetch(tdb_state->passwd_tdb, pkey->key); 368 369 SAFE_FREE( pkey->key.dptr); 370 SAFE_FREE( pkey); 371 372 if (!data.dptr) { 373 DEBUG(5,("pdb_getsampwent: database entry not found. Was the user deleted?\n")); 374 return nt_status; 375 } 376 377 if (!init_sam_from_buffer(user, (unsigned char *)data.dptr, data.dsize)) { 378 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); 379 } 380 381 SAFE_FREE( data.dptr ); 382 383 384 return NT_STATUS_OK; 385} 386 387/****************************************************************** 388 Lookup a name in the SAM TDB 389******************************************************************/ 390 391static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname) 392{ 393 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; 394 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; 395 TDB_CONTEXT *pwd_tdb; 396 TDB_DATA data, key; 397 fstring keystr; 398 fstring name; 399 400 if ( !user ) { 401 DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n")); 402 return nt_status; 403 } 404 405 /* Data is stored in all lower-case */ 406 fstrcpy(name, sname); 407 strlower_m(name); 408 409 /* set search key */ 410 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); 411 key.dptr = keystr; 412 key.dsize = strlen(keystr) + 1; 413 414 /* open the accounts TDB */ 415 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY))) { 416 417 if (errno == ENOENT) { 418 /* 419 * TDB file doesn't exist, so try to create new one. This is useful to avoid 420 * confusing error msg when adding user account first time 421 */ 422 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_CREAT ))) { 423 DEBUG(0, ("pdb_getsampwnam: TDB passwd (%s) did not exist. File successfully created.\n", 424 tdb_state->tdbsam_location)); 425 } else { 426 DEBUG(0, ("pdb_getsampwnam: TDB passwd (%s) does not exist. Couldn't create new one. Error was: %s\n", 427 tdb_state->tdbsam_location, strerror(errno))); 428 } 429 430 /* requested user isn't there anyway */ 431 nt_status = NT_STATUS_NO_SUCH_USER; 432 return nt_status; 433 } 434 DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location)); 435 return nt_status; 436 } 437 438 /* get the record */ 439 data = tdb_fetch(pwd_tdb, key); 440 if (!data.dptr) { 441 DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n")); 442 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); 443 DEBUGADD(5, (" Key: %s\n", keystr)); 444 tdb_close(pwd_tdb); 445 return nt_status; 446 } 447 448 /* unpack the buffer */ 449 if (!init_sam_from_buffer(user, (unsigned char *)data.dptr, data.dsize)) { 450 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); 451 SAFE_FREE(data.dptr); 452 tdb_close(pwd_tdb); 453 return nt_status; 454 } 455 SAFE_FREE(data.dptr); 456 457 /* no further use for database, close it now */ 458 tdb_close(pwd_tdb); 459 460 return NT_STATUS_OK; 461} 462 463/*************************************************************************** 464 Search by rid 465 **************************************************************************/ 466 467static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods, SAM_ACCOUNT *user, uint32 rid) 468{ 469 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; 470 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; 471 TDB_CONTEXT *pwd_tdb; 472 TDB_DATA data, key; 473 fstring keystr; 474 fstring name; 475 476 if (user==NULL) { 477 DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n")); 478 return nt_status; 479 } 480 481 /* set search key */ 482 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); 483 key.dptr = keystr; 484 key.dsize = strlen (keystr) + 1; 485 486 /* open the accounts TDB */ 487 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY))) { 488 DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n")); 489 return nt_status; 490 } 491 492 /* get the record */ 493 data = tdb_fetch (pwd_tdb, key); 494 if (!data.dptr) { 495 DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr)); 496 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); 497 tdb_close (pwd_tdb); 498 return nt_status; 499 } 500 501 502 fstrcpy(name, data.dptr); 503 SAFE_FREE(data.dptr); 504 505 tdb_close (pwd_tdb); 506 507 return tdbsam_getsampwnam (my_methods, user, name); 508} 509 510static NTSTATUS tdbsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid) 511{ 512 uint32 rid; 513 if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) 514 return NT_STATUS_UNSUCCESSFUL; 515 return tdbsam_getsampwrid(my_methods, user, rid); 516} 517 518/*************************************************************************** 519 Delete a SAM_ACCOUNT 520****************************************************************************/ 521 522static NTSTATUS tdbsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT *sam_pass) 523{ 524 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; 525 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; 526 TDB_CONTEXT *pwd_tdb; 527 TDB_DATA key; 528 fstring keystr; 529 uint32 rid; 530 fstring name; 531 532 fstrcpy(name, pdb_get_username(sam_pass)); 533 strlower_m(name); 534 535 /* open the TDB */ 536 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDWR))) { 537 DEBUG(0, ("Unable to open TDB passwd!")); 538 return nt_status; 539 } 540 541 /* set the search key */ 542 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); 543 key.dptr = keystr; 544 key.dsize = strlen (keystr) + 1; 545 546 rid = pdb_get_user_rid(sam_pass); 547 548 /* it's outaa here! 8^) */ 549 if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) { 550 DEBUG(5, ("Error deleting entry from tdb passwd database!\n")); 551 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); 552 tdb_close(pwd_tdb); 553 return nt_status; 554 } 555 556 /* delete also the RID key */ 557 558 /* set the search key */ 559 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); 560 key.dptr = keystr; 561 key.dsize = strlen (keystr) + 1; 562 563 /* it's outaa here! 8^) */ 564 if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) { 565 DEBUG(5, ("Error deleting entry from tdb rid database!\n")); 566 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); 567 tdb_close(pwd_tdb); 568 return nt_status; 569 } 570 571 tdb_close(pwd_tdb); 572 573 return NT_STATUS_OK; 574} 575 576/*************************************************************************** 577 Update the TDB SAM 578****************************************************************************/ 579 580static BOOL tdb_update_sam(struct pdb_methods *my_methods, SAM_ACCOUNT* newpwd, int flag) 581{ 582 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; 583 TDB_CONTEXT *pwd_tdb = NULL; 584 TDB_DATA key, data; 585 uint8 *buf = NULL; 586 fstring keystr; 587 fstring name; 588 BOOL ret = True; 589 uint32 user_rid; 590 591 /* invalidate the existing TDB iterator if it is open */ 592 593 if (tdb_state->passwd_tdb) { 594 tdb_close(tdb_state->passwd_tdb); 595 tdb_state->passwd_tdb = NULL; 596 } 597 598 /* open the account TDB passwd*/ 599 600 pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDWR | O_CREAT); 601 602 if (!pwd_tdb) { 603 DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n", 604 tdb_state->tdbsam_location)); 605 return False; 606 } 607 608 if (!pdb_get_group_rid(newpwd)) { 609 DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n", 610 pdb_get_username(newpwd))); 611 ret = False; 612 goto done; 613 } 614 615 if ( !(user_rid = pdb_get_user_rid(newpwd)) ) { 616 DEBUG(0,("tdb_update_sam: SAM_ACCOUNT (%s) with no RID!\n", pdb_get_username(newpwd))); 617 ret = False; 618 goto done; 619 } 620 621 /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */ 622 if ((data.dsize=init_buffer_from_sam (&buf, newpwd, False)) == -1) { 623 DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n")); 624 ret = False; 625 goto done; 626 } 627 data.dptr = (char *)buf; 628 629 fstrcpy(name, pdb_get_username(newpwd)); 630 strlower_m(name); 631 632 DEBUG(5, ("Storing %saccount %s with RID %d\n", flag == TDB_INSERT ? "(new) " : "", name, user_rid)); 633 634 /* setup the USER index key */ 635 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); 636 key.dptr = keystr; 637 key.dsize = strlen(keystr) + 1; 638 639 /* add the account */ 640 if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) { 641 DEBUG(0, ("Unable to modify passwd TDB!")); 642 DEBUGADD(0, (" Error: %s", tdb_errorstr(pwd_tdb))); 643 DEBUGADD(0, (" occured while storing the main record (%s)\n", keystr)); 644 ret = False; 645 goto done; 646 } 647 648 /* setup RID data */ 649 data.dsize = strlen(name) + 1; 650 data.dptr = name; 651 652 /* setup the RID index key */ 653 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, user_rid); 654 key.dptr = keystr; 655 key.dsize = strlen (keystr) + 1; 656 657 /* add the reference */ 658 if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) { 659 DEBUG(0, ("Unable to modify TDB passwd !")); 660 DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb))); 661 DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr)); 662 ret = False; 663 goto done; 664 } 665 666done: 667 /* cleanup */ 668 tdb_close (pwd_tdb); 669 SAFE_FREE(buf); 670 671 return (ret); 672} 673 674/*************************************************************************** 675 Modifies an existing SAM_ACCOUNT 676****************************************************************************/ 677 678static NTSTATUS tdbsam_update_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd) 679{ 680 if (tdb_update_sam(my_methods, newpwd, TDB_MODIFY)) 681 return NT_STATUS_OK; 682 else 683 return NT_STATUS_UNSUCCESSFUL; 684} 685 686/*************************************************************************** 687 Adds an existing SAM_ACCOUNT 688****************************************************************************/ 689 690static NTSTATUS tdbsam_add_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd) 691{ 692 if (tdb_update_sam(my_methods, newpwd, TDB_INSERT)) 693 return NT_STATUS_OK; 694 else 695 return NT_STATUS_UNSUCCESSFUL; 696} 697 698static void free_private_data(void **vp) 699{ 700 struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp; 701 tdbsam_tdbclose(*tdb_state); 702 *tdb_state = NULL; 703 704 /* No need to free any further, as it is talloc()ed */ 705} 706 707 708 709 710/** 711 * Init tdbsam backend 712 * 713 * @param pdb_context initialised passdb context 714 * @param pdb_method backend methods structure to be filled with function pointers 715 * @param location the backend tdb file location 716 * 717 * @return nt_status code 718 **/ 719 720static NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) 721{ 722 NTSTATUS nt_status; 723 struct tdbsam_privates *tdb_state; 724 725 if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { 726 return nt_status; 727 } 728 729 (*pdb_method)->name = "tdbsam"; 730 731 (*pdb_method)->setsampwent = tdbsam_setsampwent; 732 (*pdb_method)->endsampwent = tdbsam_endsampwent; 733 (*pdb_method)->getsampwent = tdbsam_getsampwent; 734 (*pdb_method)->getsampwnam = tdbsam_getsampwnam; 735 (*pdb_method)->getsampwsid = tdbsam_getsampwsid; 736 (*pdb_method)->add_sam_account = tdbsam_add_sam_account; 737 (*pdb_method)->update_sam_account = tdbsam_update_sam_account; 738 (*pdb_method)->delete_sam_account = tdbsam_delete_sam_account; 739 740 tdb_state = TALLOC_ZERO_P(pdb_context->mem_ctx, struct tdbsam_privates); 741 742 if (!tdb_state) { 743 DEBUG(0, ("talloc() failed for tdbsam private_data!\n")); 744 return NT_STATUS_NO_MEMORY; 745 } 746 747 if (location) { 748 tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, location); 749 } else { 750 pstring tdbfile; 751 get_private_directory(tdbfile); 752 pstrcat(tdbfile, "/"); 753 pstrcat(tdbfile, PASSDB_FILE_NAME); 754 tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, tdbfile); 755 } 756 757 (*pdb_method)->private_data = tdb_state; 758 759 (*pdb_method)->free_private_data = free_private_data; 760 761 return NT_STATUS_OK; 762} 763 764NTSTATUS pdb_tdbsam_init(void) 765{ 766 return smb_register_passdb(PASSDB_INTERFACE_VERSION, "tdbsam", pdb_init_tdbsam); 767} 768