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 * Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2005
11 * This program is free software; you can redistribute it and/or modify it under
12 * the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
21 * You should have received a copy of the GNU General Public License along with
22 * this program; if not, write to the Free Software Foundation, Inc., 675
23 * Mass Ave, Cambridge, MA 02139, USA.
28 #if 0 /* when made a module use this */
30 static int tdbsam_debug_level = DBGC_ALL;
32 #define DBGC_CLASS tdbsam_debug_level
37 #define DBGC_CLASS DBGC_PASSDB
41 #define TDBSAM_VERSION 2 /* Most recent TDBSAM version */
42 #define TDBSAM_VERSION_STRING "INFO/version"
43 #define PASSDB_FILE_NAME "passdb.tdb"
44 #define USERPREFIX "USER_"
45 #define RIDPREFIX "RID_"
46 #define PRIVPREFIX "PRIV_"
47 #define tdbsamver_t int32
49 struct tdbsam_privates {
50 TDB_CONTEXT *passwd_tdb;
52 /* retrive-once info */
53 const char *tdbsam_location;
57 struct pwent_list *prev, *next;
60 static struct pwent_list *tdbsam_pwent_list;
64 * Convert old TDBSAM to the latest version.
65 * @param pdb_tdb A pointer to the opened TDBSAM file which must be converted.
66 * This file must be opened with read/write access.
67 * @param from Current version of the TDBSAM file.
68 * @return True if the conversion has been successful, false otherwise.
71 static BOOL tdbsam_convert(TDB_CONTEXT *pdb_tdb, tdbsamver_t from)
73 const char * vstring = TDBSAM_VERSION_STRING;
74 SAM_ACCOUNT *user = NULL;
75 const char *prefix = USERPREFIX;
76 TDB_DATA data, key, old_key;
80 if (pdb_tdb == NULL) {
81 DEBUG(0,("tdbsam_convert: Bad TDB Context pointer.\n"));
85 /* handle a Samba upgrade */
86 tdb_lock_bystring(pdb_tdb, vstring, 0);
88 if (!NT_STATUS_IS_OK(pdb_init_sam(&user))) {
89 DEBUG(0,("tdbsam_convert: cannot initialized a SAM_ACCOUNT.\n"));
93 /* Enumerate all records and convert them */
94 key = tdb_firstkey(pdb_tdb);
98 /* skip all non-USER entries (eg. RIDs) */
99 while ((key.dsize != 0) && (strncmp(key.dptr, prefix, strlen (prefix)))) {
101 /* increment to next in line */
102 key = tdb_nextkey(pdb_tdb, key);
103 SAFE_FREE(old_key.dptr);
108 /* read from tdbsam */
109 data = tdb_fetch(pdb_tdb, key);
111 DEBUG(0,("tdbsam_convert: database entry not found: %s.\n",key.dptr));
115 if (!NT_STATUS_IS_OK(pdb_reset_sam(user))) {
116 DEBUG(0,("tdbsam_convert: cannot reset SAM_ACCOUNT.\n"));
117 SAFE_FREE(data.dptr);
121 /* unpack the buffer from the former format */
122 DEBUG(10,("tdbsam_convert: Try unpacking a record with (key:%s) (version:%d)\n", key.dptr, from));
125 ret = init_sam_from_buffer_v0(user, (uint8 *)data.dptr, data.dsize);
128 ret = init_sam_from_buffer_v1(user, (uint8 *)data.dptr, data.dsize);
131 ret = init_sam_from_buffer_v2(user, (uint8 *)data.dptr, data.dsize);
134 /* unknown tdbsam version */
138 DEBUG(0,("tdbsam_convert: Bad SAM_ACCOUNT entry returned from TDB (key:%s) (version:%d)\n", key.dptr, from));
139 SAFE_FREE(data.dptr);
143 /* We're finished with the old data. */
144 SAFE_FREE(data.dptr);
146 /* pack from the buffer into the new format */
147 DEBUG(10,("tdbsam_convert: Try packing a record (key:%s) (version:%d)\n", key.dptr, from));
148 if ((data.dsize=init_buffer_from_sam (&buf, user, False)) == -1) {
149 DEBUG(0,("tdbsam_convert: cannot pack the SAM_ACCOUNT into the new format\n"));
150 SAFE_FREE(data.dptr);
153 data.dptr = (char *)buf;
155 /* Store the buffer inside the TDBSAM */
156 if (tdb_store(pdb_tdb, key, data, TDB_MODIFY) != TDB_SUCCESS) {
157 DEBUG(0,("tdbsam_convert: cannot store the SAM_ACCOUNT (key:%s) in new format\n",key.dptr));
158 SAFE_FREE(data.dptr);
162 SAFE_FREE(data.dptr);
164 /* increment to next in line */
166 key = tdb_nextkey(pdb_tdb, key);
167 SAFE_FREE(old_key.dptr);
174 /* upgrade finished */
175 tdb_store_int32(pdb_tdb, vstring, TDBSAM_VERSION);
176 tdb_unlock_bystring(pdb_tdb, vstring);
182 * Open the TDB passwd database, check version and convert it if needed.
183 * @param name filename of the tdbsam file.
184 * @param open_flags file access mode.
185 * @return a TDB_CONTEXT handle on the tdbsam file.
188 static TDB_CONTEXT * tdbsam_tdbopen (const char *name, int open_flags)
190 TDB_CONTEXT *pdb_tdb;
193 /* Try to open tdb passwd */
194 if (!(pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT,
195 open_flags, 0600))) {
196 DEBUG(0, ("Unable to open/create TDB passwd\n"));
200 /* Check the version */
201 version = (tdbsamver_t) tdb_fetch_int32(pdb_tdb,
202 TDBSAM_VERSION_STRING);
204 version = 0; /* Version not found, assume version 0 */
206 /* Compare the version */
207 if (version > TDBSAM_VERSION) {
208 /* Version more recent than the latest known */
209 DEBUG(0, ("TDBSAM version unknown: %d\n", version));
213 else if (version < TDBSAM_VERSION) {
214 /* Older version, must be converted */
215 DEBUG(1, ("TDBSAM version too old (%d), trying to convert it.\n", version));
217 /* Reopen the pdb file with read-write access if needed */
218 if (!(open_flags & O_RDWR)) {
219 DEBUG(10, ("tdbsam_tdbopen: TDB file opened with read only access, reopen it with read-write access.\n"));
221 pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, (open_flags & 07777770) | O_RDWR, 0600);
225 if (!tdbsam_convert(pdb_tdb, version)){
226 DEBUG(0, ("tdbsam_tdbopen: Error when trying to convert tdbsam: %s\n",name));
230 DEBUG(1, ("TDBSAM converted successfully.\n"));
233 /* Reopen the pdb file as it must be */
234 if (!(open_flags & O_RDWR)) {
236 pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, open_flags, 0600);
243 /*****************************************************************************
244 Utility functions to close the tdb sam database
245 ****************************************************************************/
247 static void tdbsam_tdbclose ( struct tdbsam_privates *state )
252 if ( state->passwd_tdb ) {
253 tdb_close( state->passwd_tdb );
254 state->passwd_tdb = NULL;
261 /****************************************************************************
262 creates a list of user keys
263 ****************************************************************************/
265 static int tdbsam_traverse_setpwent(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
267 const char *prefix = USERPREFIX;
268 int prefixlen = strlen (prefix);
269 struct pwent_list *ptr;
271 if ( strncmp(key.dptr, prefix, prefixlen) == 0 ) {
272 if ( !(ptr=SMB_MALLOC_P(struct pwent_list)) ) {
273 DEBUG(0,("tdbsam_traverse_setpwent: Failed to malloc new entry for list\n"));
275 /* just return 0 and let the traversal continue */
280 /* save a copy of the key */
282 ptr->key.dptr = memdup( key.dptr, key.dsize );
283 ptr->key.dsize = key.dsize;
285 DLIST_ADD( tdbsam_pwent_list, ptr );
293 /***************************************************************
294 Open the TDB passwd database for SAM account enumeration.
295 Save a list of user keys for iteration.
296 ****************************************************************/
298 static NTSTATUS tdbsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint16 acb_mask)
300 uint32 flags = update ? (O_RDWR|O_CREAT) : O_RDONLY;
302 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
304 if ( !(tdb_state->passwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, flags )) )
305 return NT_STATUS_UNSUCCESSFUL;
307 tdb_traverse( tdb_state->passwd_tdb, tdbsam_traverse_setpwent, NULL );
313 /***************************************************************
314 End enumeration of the TDB passwd list.
315 ****************************************************************/
317 static void tdbsam_endsampwent(struct pdb_methods *my_methods)
319 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
320 struct pwent_list *ptr, *ptr_next;
322 tdbsam_tdbclose( tdb_state );
324 /* clear out any remaining entries in the list */
326 for ( ptr=tdbsam_pwent_list; ptr; ptr = ptr_next ) {
327 ptr_next = ptr->next;
328 DLIST_REMOVE( tdbsam_pwent_list, ptr );
329 SAFE_FREE( ptr->key.dptr);
333 DEBUG(7, ("endtdbpwent: closed sam database.\n"));
336 /*****************************************************************
337 Get one SAM_ACCOUNT from the TDB (next in line)
338 *****************************************************************/
340 static NTSTATUS tdbsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user)
342 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
343 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
345 struct pwent_list *pkey;
348 DEBUG(0,("tdbsam_getsampwent: SAM_ACCOUNT is NULL.\n"));
352 if ( !tdbsam_pwent_list ) {
353 DEBUG(4,("tdbsam_getsampwent: end of list\n"));
354 tdbsam_tdbclose( tdb_state );
358 if ( !tdb_state->passwd_tdb ) {
359 if ( !(tdb_state->passwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY)) )
363 /* pull the next entry */
365 pkey = tdbsam_pwent_list;
366 DLIST_REMOVE( tdbsam_pwent_list, pkey );
368 data = tdb_fetch(tdb_state->passwd_tdb, pkey->key);
370 SAFE_FREE( pkey->key.dptr);
374 DEBUG(5,("pdb_getsampwent: database entry not found. Was the user deleted?\n"));
378 if (!init_sam_from_buffer(user, (unsigned char *)data.dptr, data.dsize)) {
379 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
382 SAFE_FREE( data.dptr );
388 /******************************************************************
389 Lookup a name in the SAM TDB
390 ******************************************************************/
392 static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname)
394 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
395 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
396 TDB_CONTEXT *pwd_tdb;
402 DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n"));
406 /* Data is stored in all lower-case */
407 fstrcpy(name, sname);
411 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
413 key.dsize = strlen(keystr) + 1;
415 /* open the accounts TDB */
416 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY))) {
418 if (errno == ENOENT) {
420 * TDB file doesn't exist, so try to create new one. This is useful to avoid
421 * confusing error msg when adding user account first time
423 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_CREAT ))) {
424 DEBUG(0, ("pdb_getsampwnam: TDB passwd (%s) did not exist. File successfully created.\n",
425 tdb_state->tdbsam_location));
428 DEBUG(0, ("pdb_getsampwnam: TDB passwd (%s) does not exist. Couldn't create new one. Error was: %s\n",
429 tdb_state->tdbsam_location, strerror(errno)));
432 /* requested user isn't there anyway */
433 nt_status = NT_STATUS_NO_SUCH_USER;
436 DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location));
441 data = tdb_fetch(pwd_tdb, key);
443 DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n"));
444 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
445 DEBUGADD(5, (" Key: %s\n", keystr));
450 /* unpack the buffer */
451 if (!init_sam_from_buffer(user, (unsigned char *)data.dptr, data.dsize)) {
452 DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
453 SAFE_FREE(data.dptr);
457 SAFE_FREE(data.dptr);
459 /* no further use for database, close it now */
465 /***************************************************************************
467 **************************************************************************/
469 static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods, SAM_ACCOUNT *user, uint32 rid)
471 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
472 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
473 TDB_CONTEXT *pwd_tdb;
479 DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n"));
484 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
486 key.dsize = strlen (keystr) + 1;
488 /* open the accounts TDB */
489 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY))) {
490 DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n"));
495 data = tdb_fetch (pwd_tdb, key);
497 DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr));
498 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
504 fstrcpy(name, data.dptr);
505 SAFE_FREE(data.dptr);
509 return tdbsam_getsampwnam (my_methods, user, name);
512 static NTSTATUS tdbsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
515 if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid))
516 return NT_STATUS_UNSUCCESSFUL;
517 return tdbsam_getsampwrid(my_methods, user, rid);
520 static BOOL tdb_delete_samacct_only(TDB_CONTEXT *pwd_tdb,
521 struct pdb_methods *my_methods,
522 SAM_ACCOUNT *sam_pass)
528 fstrcpy(name, pdb_get_username(sam_pass));
531 /* set the search key */
532 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
534 key.dsize = strlen (keystr) + 1;
536 /* it's outaa here! 8^) */
537 if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
538 DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
539 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
546 /***************************************************************************
548 ****************************************************************************/
550 static NTSTATUS tdbsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT *sam_pass)
552 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
553 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
554 TDB_CONTEXT *pwd_tdb;
560 fstrcpy(name, pdb_get_username(sam_pass));
564 if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDWR))) {
565 DEBUG(0, ("Unable to open TDB passwd!"));
569 /* set the search key */
570 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
572 key.dsize = strlen (keystr) + 1;
574 rid = pdb_get_user_rid(sam_pass);
576 /* it's outaa here! 8^) */
577 if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
578 DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
579 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
584 /* delete also the RID key */
586 /* set the search key */
587 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
589 key.dsize = strlen (keystr) + 1;
591 /* it's outaa here! 8^) */
592 if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
593 DEBUG(5, ("Error deleting entry from tdb rid database!\n"));
594 DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
605 /***************************************************************************
606 Update the TDB SAM account record only
607 ****************************************************************************/
608 static BOOL tdb_update_samacct_only(TDB_CONTEXT *pwd_tdb,
609 struct pdb_methods *my_methods,
610 SAM_ACCOUNT* newpwd, int flag)
618 /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */
619 if ((data.dsize=init_buffer_from_sam (&buf, newpwd, False)) == -1) {
620 DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n"));
624 data.dptr = (char *)buf;
626 fstrcpy(name, pdb_get_username(newpwd));
629 DEBUG(5, ("Storing %saccount %s with RID %d\n",
630 flag == TDB_INSERT ? "(new) " : "", name,
631 pdb_get_user_rid(newpwd)));
633 /* setup the USER index key */
634 slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
636 key.dsize = strlen(keystr) + 1;
638 /* add the account */
639 if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
640 DEBUG(0, ("Unable to modify passwd TDB!"));
641 DEBUGADD(0, (" Error: %s", tdb_errorstr(pwd_tdb)));
642 DEBUGADD(0, (" occured while storing the main record (%s)\n",
655 /***************************************************************************
656 Update the TDB SAM RID record only
657 ****************************************************************************/
658 static BOOL tdb_update_ridrec_only(TDB_CONTEXT *pwd_tdb,
659 struct pdb_methods *my_methods,
660 SAM_ACCOUNT* newpwd, int flag)
666 fstrcpy(name, pdb_get_username(newpwd));
670 data.dsize = strlen(name) + 1;
673 /* setup the RID index key */
674 slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX,
675 pdb_get_user_rid(newpwd));
677 key.dsize = strlen (keystr) + 1;
679 /* add the reference */
680 if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
681 DEBUG(0, ("Unable to modify TDB passwd !"));
682 DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
683 DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr));
691 /***************************************************************************
693 ****************************************************************************/
695 static BOOL tdb_update_sam(struct pdb_methods *my_methods, SAM_ACCOUNT* newpwd, int flag)
697 struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data;
698 TDB_CONTEXT *pwd_tdb = NULL;
702 /* invalidate the existing TDB iterator if it is open */
704 if (tdb_state->passwd_tdb) {
705 tdb_close(tdb_state->passwd_tdb);
706 tdb_state->passwd_tdb = NULL;
709 /* open the account TDB passwd*/
711 pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDWR | O_CREAT);
714 DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n",
715 tdb_state->tdbsam_location));
719 if (!pdb_get_group_rid(newpwd)) {
720 DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",
721 pdb_get_username(newpwd)));
726 if ( !(user_rid = pdb_get_user_rid(newpwd)) ) {
727 DEBUG(0,("tdb_update_sam: SAM_ACCOUNT (%s) with no RID!\n", pdb_get_username(newpwd)));
732 if (!tdb_update_samacct_only(pwd_tdb, my_methods, newpwd, flag) ||
733 !tdb_update_ridrec_only(pwd_tdb, my_methods, newpwd, flag)) {
745 /***************************************************************************
746 Modifies an existing SAM_ACCOUNT
747 ****************************************************************************/
749 static NTSTATUS tdbsam_update_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd)
751 if (tdb_update_sam(my_methods, newpwd, TDB_MODIFY))
754 return NT_STATUS_UNSUCCESSFUL;
757 /***************************************************************************
758 Adds an existing SAM_ACCOUNT
759 ****************************************************************************/
761 static NTSTATUS tdbsam_add_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd)
763 if (tdb_update_sam(my_methods, newpwd, TDB_INSERT))
766 return NT_STATUS_UNSUCCESSFUL;
769 /***************************************************************************
770 Renames a SAM_ACCOUNT
771 - check for the posix user/rename user script
772 - Add and lock the new user record
773 - rename the posix user
774 - rewrite the rid->username record
775 - delete the old user
776 - unlock the new user record
777 ***************************************************************************/
778 static NTSTATUS tdbsam_rename_sam_account(struct pdb_methods *my_methods,
779 SAM_ACCOUNT *old_acct,
782 struct tdbsam_privates *tdb_state =
783 (struct tdbsam_privates *)my_methods->private_data;
784 SAM_ACCOUNT *new_acct = NULL;
785 pstring rename_script;
786 TDB_CONTEXT *pwd_tdb = NULL;
787 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
788 BOOL interim_account = False;
790 if (!*(lp_renameuser_script()))
793 if (!pdb_copy_sam_account(old_acct, &new_acct) ||
794 !pdb_set_username(new_acct, newname, PDB_CHANGED))
797 /* invalidate the existing TDB iterator if it is open */
799 if (tdb_state->passwd_tdb) {
800 tdb_close(tdb_state->passwd_tdb);
801 tdb_state->passwd_tdb = NULL;
804 /* open the account TDB passwd */
806 pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDWR | O_CREAT);
809 DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n",
810 tdb_state->tdbsam_location));
814 /* add the new account and lock it */
815 if (!tdb_update_samacct_only(pwd_tdb, my_methods, new_acct,
818 interim_account = True;
820 if (tdb_lock_bystring(pwd_tdb, newname, 30) == -1) {
824 /* rename the posix user */
825 pstrcpy(rename_script, lp_renameuser_script());
827 if (*rename_script) {
830 pstring_sub(rename_script, "%unew", newname);
831 pstring_sub(rename_script, "%uold",
832 pdb_get_username(old_acct));
833 rename_ret = smbrun(rename_script, NULL);
835 DEBUG(rename_ret ? 0 : 3,("Running the command `%s' gave %d\n", rename_script, rename_ret));
843 /* rewrite the rid->username record */
844 if (!tdb_update_ridrec_only(pwd_tdb, my_methods, new_acct, TDB_MODIFY))
846 interim_account = False;
847 tdb_unlock_bystring(pwd_tdb, newname);
849 tdb_delete_samacct_only(pwd_tdb, my_methods, old_acct);
856 if (interim_account) {
857 tdb_unlock_bystring(pwd_tdb, newname);
858 tdb_delete_samacct_only(pwd_tdb, my_methods, new_acct);
863 pdb_free_sam(&new_acct);
868 static void free_private_data(void **vp)
870 struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp;
871 tdbsam_tdbclose(*tdb_state);
874 /* No need to free any further, as it is talloc()ed */
881 * Init tdbsam backend
883 * @param pdb_context initialised passdb context
884 * @param pdb_method backend methods structure to be filled with function pointers
885 * @param location the backend tdb file location
887 * @return nt_status code
890 static NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
893 struct tdbsam_privates *tdb_state;
895 if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
899 (*pdb_method)->name = "tdbsam";
901 (*pdb_method)->setsampwent = tdbsam_setsampwent;
902 (*pdb_method)->endsampwent = tdbsam_endsampwent;
903 (*pdb_method)->getsampwent = tdbsam_getsampwent;
904 (*pdb_method)->getsampwnam = tdbsam_getsampwnam;
905 (*pdb_method)->getsampwsid = tdbsam_getsampwsid;
906 (*pdb_method)->add_sam_account = tdbsam_add_sam_account;
907 (*pdb_method)->update_sam_account = tdbsam_update_sam_account;
908 (*pdb_method)->delete_sam_account = tdbsam_delete_sam_account;
909 (*pdb_method)->rename_sam_account = tdbsam_rename_sam_account;
911 tdb_state = TALLOC_ZERO_P(pdb_context->mem_ctx, struct tdbsam_privates);
914 DEBUG(0, ("talloc() failed for tdbsam private_data!\n"));
915 return NT_STATUS_NO_MEMORY;
919 tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, location);
922 get_private_directory(tdbfile);
923 pstrcat(tdbfile, "/");
924 pstrcat(tdbfile, PASSDB_FILE_NAME);
925 tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, tdbfile);
928 (*pdb_method)->private_data = tdb_state;
930 (*pdb_method)->free_private_data = free_private_data;
935 NTSTATUS pdb_tdbsam_init(void)
937 return smb_register_passdb(PASSDB_INTERFACE_VERSION, "tdbsam", pdb_init_tdbsam);