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A couple of versioning adjustments. Remove unused version #define, and
[Samba/gbeck.git] / source / passdb / pdb_tdb.c
blob2460c97a1b4e09adc1caee9acdb20ddf156d8454
1 /*
2 * Unix SMB/CIFS implementation.
3 * SMB parameters and setup
4 * Copyright (C) Andrew Tridgell 1992-1998
5 * Copyright (C) Simo Sorce 2000-2002
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
29 static 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 1 /* 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 tdbsamver_t int32
46
47 struct tdbsam_privates {
48 TDB_CONTEXT *passwd_tdb;
49
50 /* retrive-once info */
51 const char *tdbsam_location;
52 };
53
54 struct pwent_list {
55 struct pwent_list *prev, *next;
56 TDB_DATA key;
57 };
58 static struct pwent_list *tdbsam_pwent_list;
59
60
61 /**
62 * Convert old TDBSAM to the latest version.
63 * @param pdb_tdb A pointer to the opened TDBSAM file which must be converted.
64 * This file must be opened with read/write access.
65 * @param from Current version of the TDBSAM file.
66 * @return True if the conversion has been successful, false otherwise.
67 **/
68
69 static BOOL tdbsam_convert(TDB_CONTEXT *pdb_tdb, tdbsamver_t from)
70 {
71 const char * vstring = TDBSAM_VERSION_STRING;
72 SAM_ACCOUNT *user = NULL;
73 const char *prefix = USERPREFIX;
74 TDB_DATA data, key, old_key;
75 uint8 *buf = NULL;
76 BOOL ret;
77
78 if (pdb_tdb == NULL) {
79 DEBUG(0,("tdbsam_convert: Bad TDB Context pointer.\n"));
80 return False;
81 }
82
83 /* handle a Samba upgrade */
84 tdb_lock_bystring(pdb_tdb, vstring, 0);
85
86 if (!NT_STATUS_IS_OK(pdb_init_sam(&user))) {
87 DEBUG(0,("tdbsam_convert: cannot initialized a SAM_ACCOUNT.\n"));
88 return False;
89 }
90
91 /* Enumerate all records and convert them */
92 key = tdb_firstkey(pdb_tdb);
93
94 while (key.dptr) {
95
96 /* skip all non-USER entries (eg. RIDs) */
97 while ((key.dsize != 0) && (strncmp(key.dptr, prefix, strlen (prefix)))) {
98 old_key = key;
99 /* increment to next in line */
100 key = tdb_nextkey(pdb_tdb, key);
101 SAFE_FREE(old_key.dptr);
102 }
103
104 if (key.dptr) {
105
106 /* read from tdbsam */
107 data = tdb_fetch(pdb_tdb, key);
108 if (!data.dptr) {
109 DEBUG(0,("tdbsam_convert: database entry not found: %s.\n",key.dptr));
110 return False;
111 }
112
113 if (!NT_STATUS_IS_OK(pdb_reset_sam(user))) {
114 DEBUG(0,("tdbsam_convert: cannot reset SAM_ACCOUNT.\n"));
115 SAFE_FREE(data.dptr);
116 return False;
117 }
118
119 /* unpack the buffer from the former format */
120 DEBUG(10,("tdbsam_convert: Try unpacking a record with (key:%s) (version:%d)\n", key.dptr, from));
121 switch (from) {
122 case 0:
123 ret = init_sam_from_buffer_v0(user, (uint8 *)data.dptr, data.dsize);
124 break;
125 case 1:
126 ret = init_sam_from_buffer_v1(user, (uint8 *)data.dptr, data.dsize);
127 break;
128 default:
129 /* unknown tdbsam version */
130 ret = False;
131 }
132 if (!ret) {
133 DEBUG(0,("tdbsam_convert: Bad SAM_ACCOUNT entry returned from TDB (key:%s) (version:%d)\n", key.dptr, from));
134 SAFE_FREE(data.dptr);
135 return False;
136 }
137
138 /* pack from the buffer into the new format */
139 DEBUG(10,("tdbsam_convert: Try packing a record (key:%s) (version:%d)\n", key.dptr, from));
140 if ((data.dsize=init_buffer_from_sam (&buf, user, False)) == -1) {
141 DEBUG(0,("tdbsam_convert: cannot pack the SAM_ACCOUNT into the new format\n"));
142 SAFE_FREE(data.dptr);
143 return False;
144 }
145 data.dptr = (char *)buf;
146
147 /* Store the buffer inside the TDBSAM */
148 if (tdb_store(pdb_tdb, key, data, TDB_MODIFY) != TDB_SUCCESS) {
149 DEBUG(0,("tdbsam_convert: cannot store the SAM_ACCOUNT (key:%s) in new format\n",key.dptr));
150 SAFE_FREE(data.dptr);
151 return False;
152 }
153
154 SAFE_FREE(data.dptr);
155
156 /* increment to next in line */
157 old_key = key;
158 key = tdb_nextkey(pdb_tdb, key);
159 SAFE_FREE(old_key.dptr);
160 }
161
162 }
163
164 pdb_free_sam(&user);
165
166 /* upgrade finished */
167 tdb_store_int32(pdb_tdb, vstring, TDBSAM_VERSION);
168 tdb_unlock_bystring(pdb_tdb, vstring);
169
170 return(True);
171 }
172
173 /**
174 * Open the TDB passwd database, check version and convert it if needed.
175 * @param name filename of the tdbsam file.
176 * @param open_flags file access mode.
177 * @return a TDB_CONTEXT handle on the tdbsam file.
178 **/
179
180 static TDB_CONTEXT * tdbsam_tdbopen (const char *name, int open_flags)
181 {
182 TDB_CONTEXT *pdb_tdb;
183 tdbsamver_t version;
184
185 /* Try to open tdb passwd */
186 if (!(pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, open_flags, 0600)))
187 return NULL;
188
189 /* Check the version */
190 version = (tdbsamver_t) tdb_fetch_int32(pdb_tdb,
191 TDBSAM_VERSION_STRING);
192 if (version == -1)
193 version = 0; /* Version not found, assume version 0 */
194
195 /* Compare the version */
196 if (version > TDBSAM_VERSION) {
197 /* Version more recent than the latest known */
198 DEBUG(0, ("TDBSAM version unknown: %d\n", version));
199 tdb_close(pdb_tdb);
200 pdb_tdb = NULL;
201 }
202 else if (version < TDBSAM_VERSION) {
203 /* Older version, must be converted */
204 DEBUG(1, ("TDBSAM version too old (%d), trying to convert it.\n", version));
205
206 /* Reopen the pdb file with read-write access if needed */
207 if (!(open_flags & O_RDWR)) {
208 DEBUG(10, ("tdbsam_tdbopen: TDB file opened with read only access, reopen it with read-write access.\n"));
209 tdb_close(pdb_tdb);
210 pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, (open_flags & 07777770) | O_RDWR, 0600);
211 }
212
213 /* Convert */
214 if (!tdbsam_convert(pdb_tdb, version)){
215 DEBUG(0, ("tdbsam_tdbopen: Error when trying to convert tdbsam: %s\n",name));
216 tdb_close(pdb_tdb);
217 pdb_tdb = NULL;
218 } else {
219 DEBUG(1, ("TDBSAM converted successfully.\n"));
220 }
221
222 /* Reopen the pdb file as it must be */
223 if (!(open_flags & O_RDWR)) {
224 tdb_close(pdb_tdb);
225 pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, open_flags, 0600);
226 }
227 }
228
229 return pdb_tdb;
230 }
231
232 /*****************************************************************************
233 Utility functions to open the tdb sam database
234 ****************************************************************************/
235
236 static void tdbsam_tdbclose ( struct tdbsam_privates *state )
237 {
238 if ( !state )
239 return;
240
241 if ( state->passwd_tdb ) {
242 tdb_close( state->passwd_tdb );
243 state->passwd_tdb = NULL;
244 }
245
246 return;
247
248 }
249
250 /****************************************************************************
251 creates a list of user keys
252 ****************************************************************************/
253
254 static int tdbsam_traverse_setpwent(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
255 {
256 const char *prefix = USERPREFIX;
257 int prefixlen = strlen (prefix);
258 struct pwent_list *ptr;
259
260 if ( strncmp(key.dptr, prefix, prefixlen) == 0 ) {
261 if ( !(ptr=(struct pwent_list*)malloc(sizeof(struct pwent_list))) ) {
262 DEBUG(0,("tdbsam_traverse_setpwent: Failed to malloc new entry for list\n"));
263
264 /* just return 0 and let the traversal continue */
265 return 0;
266 }
267 ZERO_STRUCTP(ptr);
268
269 /* save a copy of the key */
270
271 ptr->key.dptr = memdup( key.dptr, key.dsize );
272 ptr->key.dsize = key.dsize;
273
274 DLIST_ADD( tdbsam_pwent_list, ptr );
275
276 }
277
278
279 return 0;
280 }
281
282 /***************************************************************
283 Open the TDB passwd database for SAM account enumeration.
284 Save a list of user keys for iteration.
285 ****************************************************************/
286
287 static NTSTATUS tdbsam_setsampwent(struct pdb_methods *my_methods, BOOL update)
288 {
289 uint32 flags = update ? (O_RDWR|O_CREAT) : O_RDONLY;
290
291 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
292
293 if ( !(tdb_state->passwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, flags )) )
294 return NT_STATUS_UNSUCCESSFUL;
295
296 tdb_traverse( tdb_state->passwd_tdb, tdbsam_traverse_setpwent, NULL );
297
298 return NT_STATUS_OK;
299 }
300
301
302 /***************************************************************
303 End enumeration of the TDB passwd list.
304 ****************************************************************/
305
306 static void tdbsam_endsampwent(struct pdb_methods *my_methods)
307 {
308 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
309 struct pwent_list *ptr, *ptr_next;
310
311 tdbsam_tdbclose( tdb_state );
312
313 /* clear out any remaining entries in the list */
314
315 for ( ptr=tdbsam_pwent_list; ptr; ptr = ptr_next ) {
316 ptr_next = ptr->next;
317 DLIST_REMOVE( tdbsam_pwent_list, ptr );
318 SAFE_FREE( ptr->key.dptr);
319 SAFE_FREE( ptr );
320 }
321
322 DEBUG(7, ("endtdbpwent: closed sam database.\n"));
323 }
324
325 /*****************************************************************
326 Get one SAM_ACCOUNT from the TDB (next in line)
327 *****************************************************************/
328
329 static NTSTATUS tdbsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user)
330 {
331 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
332 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
333 TDB_DATA data;
334 struct pwent_list *pkey;
335
336 if ( !user ) {
337 DEBUG(0,("tdbsam_getsampwent: SAM_ACCOUNT is NULL.\n"));
338 return nt_status;
339 }
340
341 if ( !tdbsam_pwent_list ) {
342 DEBUG(4,("tdbsam_getsampwent: end of list\n"));
343 tdbsam_tdbclose( tdb_state );
344 return nt_status;
345 }
346
347 if ( !tdb_state->passwd_tdb ) {
348 if ( !(tdb_state->passwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY)) )
349 return nt_status;
350 }
351
352 /* pull the next entry */
353
354 pkey = tdbsam_pwent_list;
355 DLIST_REMOVE( tdbsam_pwent_list, pkey );
356
357 data = tdb_fetch(tdb_state->passwd_tdb, pkey->key);
358
359 SAFE_FREE( pkey->key.dptr);
360 SAFE_FREE( pkey);
361
362 if (!data.dptr) {
363 DEBUG(5,("pdb_getsampwent: database entry not found. Was the user deleted?\n"));
364 return nt_status;
365 }
366
367 if (!init_sam_from_buffer(user, (unsigned char *)data.dptr, data.dsize)) {
368 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
369 }
370
371 SAFE_FREE( data.dptr );
372
373
374 return NT_STATUS_OK;
375 }
376
377 /******************************************************************
378 Lookup a name in the SAM TDB
379 ******************************************************************/
380
381 static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname)
382 {
383 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
384 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
385 TDB_CONTEXT *pwd_tdb;
386 TDB_DATA data, key;
387 fstring keystr;
388 fstring name;
389
390 if ( !user ) {
391 DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n"));
392 return nt_status;
393 }
394
395 /* Data is stored in all lower-case */
396 fstrcpy(name, sname);
397 strlower_m(name);
398
399 /* set search key */
400 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
401 key.dptr = keystr;
402 key.dsize = strlen(keystr) + 1;
403
404 /* open the accounts TDB */
405 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY))) {
406
407 if (errno == ENOENT) {
408 /*
409 * TDB file doesn't exist, so try to create new one. This is useful to avoid
410 * confusing error msg when adding user account first time
411 */
412 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_CREAT ))) {
413 DEBUG(0, ("pdb_getsampwnam: TDB passwd (%s) did not exist. File successfully created.\n",
414 tdb_state->tdbsam_location));
415 } else {
416 DEBUG(0, ("pdb_getsampwnam: TDB passwd (%s) does not exist. Couldn't create new one. Error was: %s\n",
417 tdb_state->tdbsam_location, strerror(errno)));
418 }
419
420 /* requested user isn't there anyway */
421 nt_status = NT_STATUS_NO_SUCH_USER;
422 return nt_status;
423 }
424 DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location));
425 return nt_status;
426 }
427
428 /* get the record */
429 data = tdb_fetch(pwd_tdb, key);
430 if (!data.dptr) {
431 DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n"));
432 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
433 DEBUGADD(5, (" Key: %s\n", keystr));
434 tdb_close(pwd_tdb);
435 return nt_status;
436 }
437
438 /* unpack the buffer */
439 if (!init_sam_from_buffer(user, (unsigned char *)data.dptr, data.dsize)) {
440 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
441 SAFE_FREE(data.dptr);
442 tdb_close(pwd_tdb);
443 return nt_status;
444 }
445 SAFE_FREE(data.dptr);
446
447 /* no further use for database, close it now */
448 tdb_close(pwd_tdb);
449
450 return NT_STATUS_OK;
451 }
452
453 /***************************************************************************
454 Search by rid
455 **************************************************************************/
456
457 static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods, SAM_ACCOUNT *user, uint32 rid)
458 {
459 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
460 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
461 TDB_CONTEXT *pwd_tdb;
462 TDB_DATA data, key;
463 fstring keystr;
464 fstring name;
465
466 if (user==NULL) {
467 DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n"));
468 return nt_status;
469 }
470
471 /* set search key */
472 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
473 key.dptr = keystr;
474 key.dsize = strlen (keystr) + 1;
475
476 /* open the accounts TDB */
477 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY))) {
478 DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n"));
479 return nt_status;
480 }
481
482 /* get the record */
483 data = tdb_fetch (pwd_tdb, key);
484 if (!data.dptr) {
485 DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr));
486 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
487 tdb_close (pwd_tdb);
488 return nt_status;
489 }
490
491
492 fstrcpy(name, data.dptr);
493 SAFE_FREE(data.dptr);
494
495 tdb_close (pwd_tdb);
496
497 return tdbsam_getsampwnam (my_methods, user, name);
498 }
499
500 static NTSTATUS tdbsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
501 {
502 uint32 rid;
503 if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid))
504 return NT_STATUS_UNSUCCESSFUL;
505 return tdbsam_getsampwrid(my_methods, user, rid);
506 }
507
508 /***************************************************************************
509 Delete a SAM_ACCOUNT
510 ****************************************************************************/
511
512 static NTSTATUS tdbsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT *sam_pass)
513 {
514 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
515 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
516 TDB_CONTEXT *pwd_tdb;
517 TDB_DATA key;
518 fstring keystr;
519 uint32 rid;
520 fstring name;
521
522 fstrcpy(name, pdb_get_username(sam_pass));
523 strlower_m(name);
524
525 /* open the TDB */
526 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDWR))) {
527 DEBUG(0, ("Unable to open TDB passwd!"));
528 return nt_status;
529 }
530
531 /* set the search key */
532 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
533 key.dptr = keystr;
534 key.dsize = strlen (keystr) + 1;
535
536 rid = pdb_get_user_rid(sam_pass);
537
538 /* it's outaa here! 8^) */
539 if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
540 DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
541 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
542 tdb_close(pwd_tdb);
543 return nt_status;
544 }
545
546 /* delete also the RID key */
547
548 /* set the search key */
549 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
550 key.dptr = keystr;
551 key.dsize = strlen (keystr) + 1;
552
553 /* it's outaa here! 8^) */
554 if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
555 DEBUG(5, ("Error deleting entry from tdb rid database!\n"));
556 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
557 tdb_close(pwd_tdb);
558 return nt_status;
559 }
560
561 tdb_close(pwd_tdb);
562
563 return NT_STATUS_OK;
564 }
565
566 /***************************************************************************
567 Update the TDB SAM
568 ****************************************************************************/
569
570 static BOOL tdb_update_sam(struct pdb_methods *my_methods, SAM_ACCOUNT* newpwd, int flag)
571 {
572 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
573 TDB_CONTEXT *pwd_tdb = NULL;
574 TDB_DATA key, data;
575 uint8 *buf = NULL;
576 fstring keystr;
577 fstring name;
578 BOOL ret = True;
579 uint32 user_rid;
580
581 /* invalidate the existing TDB iterator if it is open */
582
583 if (tdb_state->passwd_tdb) {
584 tdb_close(tdb_state->passwd_tdb);
585 tdb_state->passwd_tdb = NULL;
586 }
587
588 /* open the account TDB passwd*/
589
590 pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDWR | O_CREAT);
591
592 if (!pwd_tdb) {
593 DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n",
594 tdb_state->tdbsam_location));
595 return False;
596 }
597
598 if (!pdb_get_group_rid(newpwd)) {
599 DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",
600 pdb_get_username(newpwd)));
601 ret = False;
602 goto done;
603 }
604
605 if ( !(user_rid = pdb_get_user_rid(newpwd)) ) {
606 DEBUG(0,("tdb_update_sam: SAM_ACCOUNT (%s) with no RID!\n", pdb_get_username(newpwd)));
607 ret = False;
608 goto done;
609 }
610
611 /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */
612 if ((data.dsize=init_buffer_from_sam (&buf, newpwd, False)) == -1) {
613 DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n"));
614 ret = False;
615 goto done;
616 }
617 data.dptr = (char *)buf;
618
619 fstrcpy(name, pdb_get_username(newpwd));
620 strlower_m(name);
621
622 DEBUG(5, ("Storing %saccount %s with RID %d\n", flag == TDB_INSERT ? "(new) " : "", name, user_rid));
623
624 /* setup the USER index key */
625 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
626 key.dptr = keystr;
627 key.dsize = strlen(keystr) + 1;
628
629 /* add the account */
630 if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
631 DEBUG(0, ("Unable to modify passwd TDB!"));
632 DEBUGADD(0, (" Error: %s", tdb_errorstr(pwd_tdb)));
633 DEBUGADD(0, (" occured while storing the main record (%s)\n", keystr));
634 ret = False;
635 goto done;
636 }
637
638 /* setup RID data */
639 data.dsize = strlen(name) + 1;
640 data.dptr = name;
641
642 /* setup the RID index key */
643 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, user_rid);
644 key.dptr = keystr;
645 key.dsize = strlen (keystr) + 1;
646
647 /* add the reference */
648 if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
649 DEBUG(0, ("Unable to modify TDB passwd !"));
650 DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
651 DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr));
652 ret = False;
653 goto done;
654 }
655
656 done:
657 /* cleanup */
658 tdb_close (pwd_tdb);
659 SAFE_FREE(buf);
660
661 return (ret);
662 }
663
664 /***************************************************************************
665 Modifies an existing SAM_ACCOUNT
666 ****************************************************************************/
667
668 static NTSTATUS tdbsam_update_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd)
669 {
670 if (tdb_update_sam(my_methods, newpwd, TDB_MODIFY))
671 return NT_STATUS_OK;
672 else
673 return NT_STATUS_UNSUCCESSFUL;
674 }
675
676 /***************************************************************************
677 Adds an existing SAM_ACCOUNT
678 ****************************************************************************/
679
680 static NTSTATUS tdbsam_add_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd)
681 {
682 if (tdb_update_sam(my_methods, newpwd, TDB_INSERT))
683 return NT_STATUS_OK;
684 else
685 return NT_STATUS_UNSUCCESSFUL;
686 }
687
688 static void free_private_data(void **vp)
689 {
690 struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp;
691 tdbsam_tdbclose(*tdb_state);
692 *tdb_state = NULL;
693
694 /* No need to free any further, as it is talloc()ed */
695 }
696
697 /**
698 * Start enumerating through trust passwords (machine and
699 * interdomain nt/ads)
700 *
701 * @param methods methods belonging in pdb context (module)
702 * @param trust trust password structure
703 *
704 * @return nt status of performed operation
705 **/
706
707 static NTSTATUS tdbsam_gettrustpwent(struct pdb_methods *methods, SAM_TRUST_PASSWD *trust)
708 {
709 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
710 struct trust_passwd_data t;
711 TALLOC_CTX *mem_ctx;
712
713 TRUSTDOM **trustdom;
714 static int enum_ctx;
715 int num_domains = 0;
716 unsigned int max_domains = 1;
717 char *dom_name, *dom_pass;
718
719 smb_ucs2_t *uni_dom_name;
720 uint8 mach_pass[16];
721 uint32 sec_chan;
722
723 if (!methods) return NT_STATUS_UNSUCCESSFUL;
724
725 /*
726 * NT domain trust passwords
727 */
728
729 /* rewind enumeration when passed NULL pointer as a trust */
730 if (!trust) {
731 enum_ctx = 0;
732 return NT_STATUS_OK;
733 }
734
735 mem_ctx = talloc_init("tdbsam_gettrustpwent: trust password enumeration");
736
737 /* fetch next trusted domain (one at a time) and its full information */
738 nt_status = secrets_get_trusted_domains(mem_ctx, &enum_ctx, max_domains, &num_domains,
739 &trustdom);
740 if (num_domains) {
741 pull_ucs2_talloc(mem_ctx, &dom_name, trustdom[0]->name);
742 if (secrets_fetch_trusted_domain_password(dom_name, &dom_pass, &t.domain_sid,
743 &t.mod_time)) {
744
745 t.uni_name_len = strnlen_w(trustdom[0]->name, 32);
746 strncpy_w(t.uni_name, trustdom[0]->name, t.uni_name_len);
747 safe_strcpy(t.pass, dom_pass, FSTRING_LEN - 1);
748 t.flags = PASS_DOMAIN_TRUST_NT;
749
750 SAFE_FREE(dom_pass);
751 talloc_destroy(mem_ctx);
752 trust->private = t;
753 return nt_status;
754 } else {
755 talloc_destroy(mem_ctx);
756 return NT_STATUS_UNSUCCESSFUL;
757 }
758 }
759
760 /*
761 * NT machine trust password
762 */
763
764 if (secrets_lock_trust_account_password(lp_workgroup(), True)) {
765 sec_chan = get_default_sec_channel();
766 if (secrets_fetch_trust_account_password(lp_workgroup(), mach_pass, &t.mod_time,
767 &sec_chan)) {
768
769 t.uni_name_len = strlen(lp_workgroup());
770 push_ucs2_talloc(mem_ctx, &uni_dom_name, lp_workgroup());
771 strncpy_w(t.uni_name, uni_dom_name, t.uni_name_len);
772 safe_strcpy(t.pass, mach_pass, FSTRING_LEN - 1);
773 t.flags = PASS_MACHINE_TRUST_NT;
774 if (!secrets_fetch_domain_sid(lp_workgroup(), &t.domain_sid)) {
775 talloc_destroy(mem_ctx);
776 return NT_STATUS_UNSUCCESSFUL;
777 }
778
779 talloc_destroy(mem_ctx);
780 trust->private = t;
781 return NT_STATUS_OK;
782 }
783 secrets_lock_trust_account_password(lp_workgroup(), False);
784 } else {
785 talloc_destroy(mem_ctx);
786 return NT_STATUS_UNSUCCESSFUL;
787 }
788
789 /*
790 * ADS machine trust password (TODO)
791 */
792
793 talloc_destroy(mem_ctx);
794 return nt_status;
795 }
796
797 /**
798 * Get trust password by trusted party sid
799 *
800 * @param methods methods belonging to pdb context (module)
801 * @param trust trust password structure
802 * @param sid trusted party sid
803 *
804 * @return nt status of performed operation
805 **/
806
807 static NTSTATUS tdbsam_gettrustpwsid(struct pdb_methods *methods, SAM_TRUST_PASSWD *trust,
808 const DOM_SID *sid)
809 {
810 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
811 return nt_status;
812 }
813
814
815 /**
816 * Add new trust password.
817 *
818 * @param methods methods belonging in pdb context (module)
819 * @param trust trust password structure
820 *
821 * @return nt status of performed operation
822 **/
823
824 static NTSTATUS tdbsam_add_trust_passwd(struct pdb_methods *methods, const SAM_TRUST_PASSWD *trust)
825 {
826 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
827 BOOL status = False;
828 TALLOC_CTX *mem_ctx;
829
830 char* domain = NULL;
831 struct trust_passwd_data t = trust->private;
832 uint32 sec_chan;
833
834 mem_ctx = talloc_init("tdbsam_add_trust_passwd: storing new trust password");
835
836 /* convert unicode name to char* (used to form the key) */
837 pull_ucs2_talloc(mem_ctx, &domain, t.uni_name);
838
839 /* add nt machine trust password */
840 if (t.flags & (PASS_MACHINE_TRUST_NT | PASS_SERVER_TRUST_NT)) {
841 sec_chan = (t.flags & PASS_MACHINE_TRUST_NT) ? SEC_CHAN_WKSTA : SEC_CHAN_BDC;
842 status = secrets_store_machine_password(t.pass, domain, sec_chan);
843 if (status)
844 status = secrets_store_domain_sid(domain, &t.domain_sid);
845
846 nt_status = status ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
847
848 /* add nt domain trust password */
849 } else if (t.flags & PASS_DOMAIN_TRUST_NT) {
850 status = secrets_store_trusted_domain_password(domain, t.uni_name, t.uni_name_len,
851 t.pass, t.domain_sid);
852 nt_status = status ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
853
854 /* add ads machine trust password (TODO) */
855 } else if (t.flags & PASS_MACHINE_TRUST_ADS) {
856 }
857
858 talloc_destroy(mem_ctx);
859 return nt_status;
860 }
861
862
863 /**
864 * Update trust password.
865 *
866 * @param methods methods belonging in pdb context (module)
867 * @param trust trust password structure
868 *
869 * @return nt status of performed operation
870 **/
871
872 static NTSTATUS tdbsam_update_trust_passwd(struct pdb_methods *methods, const SAM_TRUST_PASSWD* trust)
873 {
874 NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED;
875 return nt_status;
876 }
877
878
879 /**
880 * Delete trust password.
881 *
882 * @param methods methods belonging in pdb context (module)
883 * @param trust trust password structure
884 *
885 * @return nt status of performed operation
886 **/
887
888 static NTSTATUS tdbsam_delete_trust_passwd(struct pdb_methods *methods, const SAM_TRUST_PASSWD* trust)
889 {
890 NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED;
891 return nt_status;
892 }
893
894
895 static NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
896 {
897 NTSTATUS nt_status;
898 struct tdbsam_privates *tdb_state;
899
900 if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
901 return nt_status;
902 }
903
904 (*pdb_method)->name = "tdbsam";
905
906 (*pdb_method)->setsampwent = tdbsam_setsampwent;
907 (*pdb_method)->endsampwent = tdbsam_endsampwent;
908 (*pdb_method)->getsampwent = tdbsam_getsampwent;
909 (*pdb_method)->getsampwnam = tdbsam_getsampwnam;
910 (*pdb_method)->getsampwsid = tdbsam_getsampwsid;
911 (*pdb_method)->add_sam_account = tdbsam_add_sam_account;
912 (*pdb_method)->update_sam_account = tdbsam_update_sam_account;
913 (*pdb_method)->delete_sam_account = tdbsam_delete_sam_account;
914 (*pdb_method)->gettrustpwent = tdbsam_gettrustpwent;
915 (*pdb_method)->gettrustpwsid = tdbsam_gettrustpwsid;
916 (*pdb_method)->add_trust_passwd = tdbsam_add_trust_passwd;
917 (*pdb_method)->update_trust_passwd = tdbsam_update_trust_passwd;
918 (*pdb_method)->delete_trust_passwd = tdbsam_delete_trust_passwd;
919
920 tdb_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct tdbsam_privates));
921
922 if (!tdb_state) {
923 DEBUG(0, ("talloc() failed for tdbsam private_data!\n"));
924 return NT_STATUS_NO_MEMORY;
925 }
926
927 if (location) {
928 tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, location);
929 } else {
930 pstring tdbfile;
931 get_private_directory(tdbfile);
932 pstrcat(tdbfile, "/");
933 pstrcat(tdbfile, PASSDB_FILE_NAME);
934 tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, tdbfile);
935 }
936
937 (*pdb_method)->private_data = tdb_state;
938
939 (*pdb_method)->free_private_data = free_private_data;
940
941 return NT_STATUS_OK;
942 }
943
944 NTSTATUS pdb_tdbsam_init(void)
945 {
946 return smb_register_passdb(PASSDB_INTERFACE_VERSION, "tdbsam", pdb_init_tdbsam);
947 }
WIP