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passdb: Use common code in cli_credentials_set_machine_account_db_ctx()
[Samba.git] / source3 / passdb / passdb.c
blob02f0a78e226ede4da6b9995f46b87663e6de0aab
1 /*
2 Unix SMB/CIFS implementation.
3 Password and authentication handling
4 Copyright (C) Jeremy Allison 1996-2001
5 Copyright (C) Luke Kenneth Casson Leighton 1996-1998
6 Copyright (C) Gerald (Jerry) Carter 2000-2006
7 Copyright (C) Andrew Bartlett 2001-2002
8 Copyright (C) Simo Sorce 2003
9 Copyright (C) Volker Lendecke 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 */
24
25 #include "includes.h"
26 #include "passdb.h"
27 #include "system/passwd.h"
28 #include "../libcli/auth/libcli_auth.h"
29 #include "secrets.h"
30 #include "../libcli/security/security.h"
31 #include "../lib/util/util_pw.h"
32 #include "util_tdb.h"
33 #include "auth/credentials/credentials.h"
34 #include "lib/param/param.h"
35
36 #undef DBGC_CLASS
37 #define DBGC_CLASS DBGC_PASSDB
38
39 /******************************************************************
40 Get the default domain/netbios name to be used when
41 testing authentication.
42
43 LEGACY: this function provides the legacy domain mapping used with
44 the lp_map_untrusted_to_domain() parameter
45 ******************************************************************/
46
47 const char *my_sam_name(void)
48 {
49 /* Standalone servers can only use the local netbios name */
50 if ( lp_server_role() == ROLE_STANDALONE )
51 return lp_netbios_name();
52
53 /* Default to the DOMAIN name when not specified */
54 return lp_workgroup();
55 }
56
57 /**********************************************************************
58 ***********************************************************************/
59
60 static int samu_destroy(struct samu *user)
61 {
62 data_blob_clear_free( &user->lm_pw );
63 data_blob_clear_free( &user->nt_pw );
64
65 if ( user->plaintext_pw )
66 memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) );
67
68 return 0;
69 }
70
71 /**********************************************************************
72 generate a new struct samuser
73 ***********************************************************************/
74
75 struct samu *samu_new( TALLOC_CTX *ctx )
76 {
77 struct samu *user;
78
79 if ( !(user = talloc_zero( ctx, struct samu )) ) {
80 DEBUG(0,("samuser_new: Talloc failed!\n"));
81 return NULL;
82 }
83
84 talloc_set_destructor( user, samu_destroy );
85
86 /* no initial methods */
87
88 user->methods = NULL;
89
90 /* Don't change these timestamp settings without a good reason.
91 They are important for NT member server compatibility. */
92
93 user->logon_time = (time_t)0;
94 user->pass_last_set_time = (time_t)0;
95 user->pass_can_change_time = (time_t)0;
96 user->logoff_time = get_time_t_max();
97 user->kickoff_time = get_time_t_max();
98 user->fields_present = 0x00ffffff;
99 user->logon_divs = 168; /* hours per week */
100 user->hours_len = 21; /* 21 times 8 bits = 168 */
101 memset(user->hours, 0xff, user->hours_len); /* available at all hours */
102 user->bad_password_count = 0;
103 user->logon_count = 0;
104 user->unknown_6 = 0x000004ec; /* don't know */
105
106 /* Some parts of samba strlen their pdb_get...() returns,
107 so this keeps the interface unchanged for now. */
108
109 user->username = "";
110 user->domain = "";
111 user->nt_username = "";
112 user->full_name = "";
113 user->home_dir = "";
114 user->logon_script = "";
115 user->profile_path = "";
116 user->acct_desc = "";
117 user->workstations = "";
118 user->comment = "";
119 user->munged_dial = "";
120
121 user->plaintext_pw = NULL;
122
123 /* Unless we know otherwise have a Account Control Bit
124 value of 'normal user'. This helps User Manager, which
125 asks for a filtered list of users. */
126
127 user->acct_ctrl = ACB_NORMAL;
128
129 return user;
130 }
131
132 static int count_commas(const char *str)
133 {
134 int num_commas = 0;
135 const char *comma = str;
136
137 while ((comma = strchr(comma, ',')) != NULL) {
138 comma += 1;
139 num_commas += 1;
140 }
141 return num_commas;
142 }
143
144 /*********************************************************************
145 Initialize a struct samu from a struct passwd including the user
146 and group SIDs. The *user structure is filled out with the Unix
147 attributes and a user SID.
148 *********************************************************************/
149
150 static NTSTATUS samu_set_unix_internal(struct pdb_methods *methods,
151 struct samu *user, const struct passwd *pwd, bool create)
152 {
153 const char *guest_account = lp_guest_account();
154 const char *domain = lp_netbios_name();
155 char *fullname;
156 uint32_t urid;
157
158 if ( !pwd ) {
159 return NT_STATUS_NO_SUCH_USER;
160 }
161
162 /* Basic properties based upon the Unix account information */
163
164 pdb_set_username(user, pwd->pw_name, PDB_SET);
165
166 fullname = NULL;
167
168 if (count_commas(pwd->pw_gecos) == 3) {
169 /*
170 * Heuristic: This seems to be a gecos field that has been
171 * edited by chfn(1). Only use the part before the first
172 * comma. Fixes bug 5198.
173 */
174 fullname = talloc_strndup(
175 talloc_tos(), pwd->pw_gecos,
176 strchr(pwd->pw_gecos, ',') - pwd->pw_gecos);
177 }
178
179 if (fullname != NULL) {
180 pdb_set_fullname(user, fullname, PDB_SET);
181 } else {
182 pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
183 }
184 TALLOC_FREE(fullname);
185
186 pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
187 #if 0
188 /* This can lead to a primary group of S-1-22-2-XX which
189 will be rejected by other parts of the Samba code.
190 Rely on pdb_get_group_sid() to "Do The Right Thing" (TM)
191 --jerry */
192
193 gid_to_sid(&group_sid, pwd->pw_gid);
194 pdb_set_group_sid(user, &group_sid, PDB_SET);
195 #endif
196
197 /* save the password structure for later use */
198
199 user->unix_pw = tcopy_passwd( user, pwd );
200
201 /* Special case for the guest account which must have a RID of 501 */
202
203 if ( strequal( pwd->pw_name, guest_account ) ) {
204 if ( !pdb_set_user_sid_from_rid(user, DOMAIN_RID_GUEST, PDB_DEFAULT)) {
205 return NT_STATUS_NO_SUCH_USER;
206 }
207 return NT_STATUS_OK;
208 }
209
210 /* Non-guest accounts...Check for a workstation or user account */
211
212 if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
213 /* workstation */
214
215 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
216 DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
217 pwd->pw_name));
218 return NT_STATUS_INVALID_COMPUTER_NAME;
219 }
220 }
221 else {
222 /* user */
223
224 if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
225 DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
226 pwd->pw_name));
227 return NT_STATUS_INVALID_ACCOUNT_NAME;
228 }
229
230 /* set some basic attributes */
231
232 pdb_set_profile_path(user, talloc_sub_specified(user,
233 lp_logon_path(), pwd->pw_name, NULL, domain, pwd->pw_uid, pwd->pw_gid),
234 PDB_DEFAULT);
235 pdb_set_homedir(user, talloc_sub_specified(user,
236 lp_logon_home(), pwd->pw_name, NULL, domain, pwd->pw_uid, pwd->pw_gid),
237 PDB_DEFAULT);
238 pdb_set_dir_drive(user, talloc_sub_specified(user,
239 lp_logon_drive(), pwd->pw_name, NULL, domain, pwd->pw_uid, pwd->pw_gid),
240 PDB_DEFAULT);
241 pdb_set_logon_script(user, talloc_sub_specified(user,
242 lp_logon_script(), pwd->pw_name, NULL, domain, pwd->pw_uid, pwd->pw_gid),
243 PDB_DEFAULT);
244 }
245
246 /* Now deal with the user SID. If we have a backend that can generate
247 RIDs, then do so. But sometimes the caller just wanted a structure
248 initialized and will fill in these fields later (such as from a
249 netr_SamInfo3 structure) */
250
251 if ( create && (methods->capabilities(methods) & PDB_CAP_STORE_RIDS)) {
252 uint32_t user_rid;
253 struct dom_sid user_sid;
254
255 if ( !methods->new_rid(methods, &user_rid) ) {
256 DEBUG(3, ("Could not allocate a new RID\n"));
257 return NT_STATUS_ACCESS_DENIED;
258 }
259
260 sid_compose(&user_sid, get_global_sam_sid(), user_rid);
261
262 if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
263 DEBUG(3, ("pdb_set_user_sid failed\n"));
264 return NT_STATUS_INTERNAL_ERROR;
265 }
266
267 return NT_STATUS_OK;
268 }
269
270 /* generate a SID for the user with the RID algorithm */
271
272 urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
273
274 if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
275 return NT_STATUS_INTERNAL_ERROR;
276 }
277
278 return NT_STATUS_OK;
279 }
280
281 /********************************************************************
282 Set the Unix user attributes
283 ********************************************************************/
284
285 NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
286 {
287 return samu_set_unix_internal( NULL, user, pwd, False );
288 }
289
290 NTSTATUS samu_alloc_rid_unix(struct pdb_methods *methods,
291 struct samu *user, const struct passwd *pwd)
292 {
293 return samu_set_unix_internal( methods, user, pwd, True );
294 }
295
296 /**********************************************************
297 Encode the account control bits into a string.
298 length = length of string to encode into (including terminating
299 null). length *MUST BE MORE THAN 2* !
300 **********************************************************/
301
302 char *pdb_encode_acct_ctrl(uint32_t acct_ctrl, size_t length)
303 {
304 fstring acct_str;
305 char *result;
306
307 size_t i = 0;
308
309 SMB_ASSERT(length <= sizeof(acct_str));
310
311 acct_str[i++] = '[';
312
313 if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
314 if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
315 if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
316 if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
317 if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
318 if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
319 if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
320 if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
321 if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
322 if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
323 if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
324
325 for ( ; i < length - 2 ; i++ )
326 acct_str[i] = ' ';
327
328 i = length - 2;
329 acct_str[i++] = ']';
330 acct_str[i++] = '\0';
331
332 result = talloc_strdup(talloc_tos(), acct_str);
333 SMB_ASSERT(result != NULL);
334 return result;
335 }
336
337 /**********************************************************
338 Decode the account control bits from a string.
339 **********************************************************/
340
341 uint32_t pdb_decode_acct_ctrl(const char *p)
342 {
343 uint32_t acct_ctrl = 0;
344 bool finished = false;
345
346 /*
347 * Check if the account type bits have been encoded after the
348 * NT password (in the form [NDHTUWSLXI]).
349 */
350
351 if (*p != '[')
352 return 0;
353
354 for (p++; *p && !finished; p++) {
355 switch (*p) {
356 case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
357 case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
358 case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
359 case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
360 case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
361 case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
362 case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
363 case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
364 case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
365 case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
366 case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
367 case ' ': { break; }
368 case ':':
369 case '\n':
370 case '\0':
371 case ']':
372 default: { finished = true; }
373 }
374 }
375
376 return acct_ctrl;
377 }
378
379 /*************************************************************
380 Routine to set 32 hex password characters from a 16 byte array.
381 **************************************************************/
382
383 void pdb_sethexpwd(char p[33], const unsigned char *pwd, uint32_t acct_ctrl)
384 {
385 if (pwd != NULL) {
386 hex_encode_buf(p, pwd, 16);
387 } else {
388 if (acct_ctrl & ACB_PWNOTREQ)
389 strlcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
390 else
391 strlcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
392 }
393 }
394
395 /*************************************************************
396 Routine to get the 32 hex characters and turn them
397 into a 16 byte array.
398 **************************************************************/
399
400 bool pdb_gethexpwd(const char *p, unsigned char *pwd)
401 {
402 int i;
403 unsigned char lonybble, hinybble;
404 const char *hexchars = "0123456789ABCDEF";
405 char *p1, *p2;
406
407 if (!p)
408 return false;
409
410 for (i = 0; i < 32; i += 2) {
411 hinybble = toupper_m(p[i]);
412 lonybble = toupper_m(p[i + 1]);
413
414 p1 = strchr(hexchars, hinybble);
415 p2 = strchr(hexchars, lonybble);
416
417 if (!p1 || !p2)
418 return false;
419
420 hinybble = PTR_DIFF(p1, hexchars);
421 lonybble = PTR_DIFF(p2, hexchars);
422
423 pwd[i / 2] = (hinybble << 4) | lonybble;
424 }
425 return true;
426 }
427
428 /*************************************************************
429 Routine to set 42 hex hours characters from a 21 byte array.
430 **************************************************************/
431
432 void pdb_sethexhours(char *p, const unsigned char *hours)
433 {
434 if (hours != NULL) {
435 hex_encode_buf(p, hours, 21);
436 } else {
437 strlcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 44);
438 }
439 }
440
441 /*************************************************************
442 Routine to get the 42 hex characters and turn them
443 into a 21 byte array.
444 **************************************************************/
445
446 bool pdb_gethexhours(const char *p, unsigned char *hours)
447 {
448 int i;
449 unsigned char lonybble, hinybble;
450 const char *hexchars = "0123456789ABCDEF";
451 char *p1, *p2;
452
453 if (!p) {
454 return (False);
455 }
456
457 for (i = 0; i < 42; i += 2) {
458 hinybble = toupper_m(p[i]);
459 lonybble = toupper_m(p[i + 1]);
460
461 p1 = strchr(hexchars, hinybble);
462 p2 = strchr(hexchars, lonybble);
463
464 if (!p1 || !p2) {
465 return (False);
466 }
467
468 hinybble = PTR_DIFF(p1, hexchars);
469 lonybble = PTR_DIFF(p2, hexchars);
470
471 hours[i / 2] = (hinybble << 4) | lonybble;
472 }
473 return (True);
474 }
475
476 /********************************************************************
477 ********************************************************************/
478
479 int algorithmic_rid_base(void)
480 {
481 int rid_offset;
482
483 rid_offset = lp_algorithmic_rid_base();
484
485 if (rid_offset < BASE_RID) {
486 /* Try to prevent admin foot-shooting, we can't put algorithmic
487 rids below 1000, that's the 'well known RIDs' on NT */
488 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
489 rid_offset = BASE_RID;
490 }
491 if (rid_offset & 1) {
492 DEBUG(0, ("algorithmic rid base must be even\n"));
493 rid_offset += 1;
494 }
495 return rid_offset;
496 }
497
498 /*******************************************************************
499 Converts NT user RID to a UNIX uid.
500 ********************************************************************/
501
502 uid_t algorithmic_pdb_user_rid_to_uid(uint32_t user_rid)
503 {
504 int rid_offset = algorithmic_rid_base();
505 return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
506 }
507
508 uid_t max_algorithmic_uid(void)
509 {
510 return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
511 }
512
513 /*******************************************************************
514 converts UNIX uid to an NT User RID.
515 ********************************************************************/
516
517 uint32_t algorithmic_pdb_uid_to_user_rid(uid_t uid)
518 {
519 int rid_offset = algorithmic_rid_base();
520 return (((((uint32_t)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
521 }
522
523 /*******************************************************************
524 Converts NT group RID to a UNIX gid.
525 ********************************************************************/
526
527 gid_t pdb_group_rid_to_gid(uint32_t group_rid)
528 {
529 int rid_offset = algorithmic_rid_base();
530 return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
531 }
532
533 gid_t max_algorithmic_gid(void)
534 {
535 return pdb_group_rid_to_gid(0xffffffff);
536 }
537
538 /*******************************************************************
539 converts NT Group RID to a UNIX uid.
540
541 warning: you must not call that function only
542 you must do a call to the group mapping first.
543 there is not anymore a direct link between the gid and the rid.
544 ********************************************************************/
545
546 uint32_t algorithmic_pdb_gid_to_group_rid(gid_t gid)
547 {
548 int rid_offset = algorithmic_rid_base();
549 return (((((uint32_t)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
550 }
551
552 /*******************************************************************
553 Decides if a RID is a well known RID.
554 ********************************************************************/
555
556 static bool rid_is_well_known(uint32_t rid)
557 {
558 /* Not using rid_offset here, because this is the actual
559 NT fixed value (1000) */
560
561 return (rid < BASE_RID);
562 }
563
564 /*******************************************************************
565 Decides if a RID is a user or group RID.
566 ********************************************************************/
567
568 bool algorithmic_pdb_rid_is_user(uint32_t rid)
569 {
570 if ( rid_is_well_known(rid) ) {
571 /*
572 * The only well known user RIDs are DOMAIN_RID_ADMINISTRATOR
573 * and DOMAIN_RID_GUEST.
574 */
575 if(rid == DOMAIN_RID_ADMINISTRATOR || rid == DOMAIN_RID_GUEST)
576 return True;
577 } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
578 return True;
579 }
580 return False;
581 }
582
583 /*******************************************************************
584 Convert a name into a SID. Used in the lookup name rpc.
585 ********************************************************************/
586
587 bool lookup_global_sam_name(const char *name, int flags, uint32_t *rid,
588 enum lsa_SidType *type)
589 {
590 GROUP_MAP *map;
591 bool ret;
592
593 /* Windows treats "MACHINE\None" as a special name for
594 rid 513 on non-DCs. You cannot create a user or group
595 name "None" on Windows. You will get an error that
596 the group already exists. */
597
598 if ( strequal( name, "None" ) ) {
599 *rid = DOMAIN_RID_USERS;
600 *type = SID_NAME_DOM_GRP;
601
602 return True;
603 }
604
605 /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
606 * correctly in the case where foo also exists as a user. If the flag
607 * is set, don't look for users at all. */
608
609 if ((flags & LOOKUP_NAME_GROUP) == 0) {
610 struct samu *sam_account = NULL;
611 struct dom_sid user_sid;
612
613 if ( !(sam_account = samu_new( NULL )) ) {
614 return False;
615 }
616
617 become_root();
618 ret = pdb_getsampwnam(sam_account, name);
619 unbecome_root();
620
621 if (ret) {
622 sid_copy(&user_sid, pdb_get_user_sid(sam_account));
623 }
624
625 TALLOC_FREE(sam_account);
626
627 if (ret) {
628 if (!sid_check_is_in_our_sam(&user_sid)) {
629 DEBUG(0, ("User %s with invalid SID %s in passdb\n",
630 name, sid_string_dbg(&user_sid)));
631 return False;
632 }
633
634 sid_peek_rid(&user_sid, rid);
635 *type = SID_NAME_USER;
636 return True;
637 }
638 }
639
640 /*
641 * Maybe it is a group ?
642 */
643
644 map = talloc_zero(NULL, GROUP_MAP);
645 if (!map) {
646 return false;
647 }
648
649 become_root();
650 ret = pdb_getgrnam(map, name);
651 unbecome_root();
652
653 if (!ret) {
654 TALLOC_FREE(map);
655 return False;
656 }
657
658 /* BUILTIN groups are looked up elsewhere */
659 if (!sid_check_is_in_our_sam(&map->sid)) {
660 DEBUG(10, ("Found group %s (%s) not in our domain -- "
661 "ignoring.", name, sid_string_dbg(&map->sid)));
662 TALLOC_FREE(map);
663 return False;
664 }
665
666 /* yes it's a mapped group */
667 sid_peek_rid(&map->sid, rid);
668 *type = map->sid_name_use;
669 TALLOC_FREE(map);
670 return True;
671 }
672
673 /*************************************************************
674 Change a password entry in the local passdb backend.
675
676 Assumptions:
677 - always called as root
678 - ignores the account type except when adding a new account
679 - will create/delete the unix account if the relative
680 add/delete user script is configured
681
682 *************************************************************/
683
684 NTSTATUS local_password_change(const char *user_name,
685 int local_flags,
686 const char *new_passwd,
687 char **pp_err_str,
688 char **pp_msg_str)
689 {
690 TALLOC_CTX *tosctx;
691 struct samu *sam_pass;
692 uint32_t acb;
693 uint32_t rid;
694 NTSTATUS result;
695 bool user_exists;
696 int ret = -1;
697
698 *pp_err_str = NULL;
699 *pp_msg_str = NULL;
700
701 tosctx = talloc_tos();
702
703 sam_pass = samu_new(tosctx);
704 if (!sam_pass) {
705 result = NT_STATUS_NO_MEMORY;
706 goto done;
707 }
708
709 /* Get the smb passwd entry for this user */
710 user_exists = pdb_getsampwnam(sam_pass, user_name);
711
712 /* Check delete first, we don't need to do anything else if we
713 * are going to delete the acocunt */
714 if (user_exists && (local_flags & LOCAL_DELETE_USER)) {
715
716 result = pdb_delete_user(tosctx, sam_pass);
717 if (!NT_STATUS_IS_OK(result)) {
718 ret = asprintf(pp_err_str,
719 "Failed to delete entry for user %s.\n",
720 user_name);
721 if (ret < 0) {
722 *pp_err_str = NULL;
723 }
724 result = NT_STATUS_UNSUCCESSFUL;
725 } else {
726 ret = asprintf(pp_msg_str,
727 "Deleted user %s.\n",
728 user_name);
729 if (ret < 0) {
730 *pp_msg_str = NULL;
731 }
732 }
733 goto done;
734 }
735
736 if (user_exists && (local_flags & LOCAL_ADD_USER)) {
737 /* the entry already existed */
738 local_flags &= ~LOCAL_ADD_USER;
739 }
740
741 if (!user_exists && !(local_flags & LOCAL_ADD_USER)) {
742 ret = asprintf(pp_err_str,
743 "Failed to find entry for user %s.\n",
744 user_name);
745 if (ret < 0) {
746 *pp_err_str = NULL;
747 }
748 result = NT_STATUS_NO_SUCH_USER;
749 goto done;
750 }
751
752 /* First thing add the new user if we are required to do so */
753 if (local_flags & LOCAL_ADD_USER) {
754
755 if (local_flags & LOCAL_TRUST_ACCOUNT) {
756 acb = ACB_WSTRUST;
757 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
758 acb = ACB_DOMTRUST;
759 } else {
760 acb = ACB_NORMAL;
761 }
762
763 result = pdb_create_user(tosctx, user_name, acb, &rid);
764 if (!NT_STATUS_IS_OK(result)) {
765 ret = asprintf(pp_err_str,
766 "Failed to add entry for user %s.\n",
767 user_name);
768 if (ret < 0) {
769 *pp_err_str = NULL;
770 }
771 result = NT_STATUS_UNSUCCESSFUL;
772 goto done;
773 }
774
775 sam_pass = samu_new(tosctx);
776 if (!sam_pass) {
777 result = NT_STATUS_NO_MEMORY;
778 goto done;
779 }
780
781 /* Now get back the smb passwd entry for this new user */
782 user_exists = pdb_getsampwnam(sam_pass, user_name);
783 if (!user_exists) {
784 ret = asprintf(pp_err_str,
785 "Failed to add entry for user %s.\n",
786 user_name);
787 if (ret < 0) {
788 *pp_err_str = NULL;
789 }
790 result = NT_STATUS_UNSUCCESSFUL;
791 goto done;
792 }
793 }
794
795 acb = pdb_get_acct_ctrl(sam_pass);
796
797 /*
798 * We are root - just write the new password
799 * and the valid last change time.
800 */
801 if ((local_flags & LOCAL_SET_NO_PASSWORD) && !(acb & ACB_PWNOTREQ)) {
802 acb |= ACB_PWNOTREQ;
803 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
804 ret = asprintf(pp_err_str,
805 "Failed to set 'no password required' "
806 "flag for user %s.\n", user_name);
807 if (ret < 0) {
808 *pp_err_str = NULL;
809 }
810 result = NT_STATUS_UNSUCCESSFUL;
811 goto done;
812 }
813 }
814
815 if (local_flags & LOCAL_SET_PASSWORD) {
816 /*
817 * If we're dealing with setting a completely empty user account
818 * ie. One with a password of 'XXXX', but not set disabled (like
819 * an account created from scratch) then if the old password was
820 * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
821 * We remove that as we're giving this user their first password
822 * and the decision hasn't really been made to disable them (ie.
823 * don't create them disabled). JRA.
824 */
825 if ((pdb_get_lanman_passwd(sam_pass) == NULL) &&
826 (acb & ACB_DISABLED)) {
827 acb &= (~ACB_DISABLED);
828 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
829 ret = asprintf(pp_err_str,
830 "Failed to unset 'disabled' "
831 "flag for user %s.\n",
832 user_name);
833 if (ret < 0) {
834 *pp_err_str = NULL;
835 }
836 result = NT_STATUS_UNSUCCESSFUL;
837 goto done;
838 }
839 }
840
841 acb &= (~ACB_PWNOTREQ);
842 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
843 ret = asprintf(pp_err_str,
844 "Failed to unset 'no password required'"
845 " flag for user %s.\n", user_name);
846 if (ret < 0) {
847 *pp_err_str = NULL;
848 }
849 result = NT_STATUS_UNSUCCESSFUL;
850 goto done;
851 }
852
853 if (!pdb_set_plaintext_passwd(sam_pass, new_passwd)) {
854 ret = asprintf(pp_err_str,
855 "Failed to set password for "
856 "user %s.\n", user_name);
857 if (ret < 0) {
858 *pp_err_str = NULL;
859 }
860 result = NT_STATUS_UNSUCCESSFUL;
861 goto done;
862 }
863 }
864
865 if ((local_flags & LOCAL_DISABLE_USER) && !(acb & ACB_DISABLED)) {
866 acb |= ACB_DISABLED;
867 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
868 ret = asprintf(pp_err_str,
869 "Failed to set 'disabled' flag for "
870 "user %s.\n", user_name);
871 if (ret < 0) {
872 *pp_err_str = NULL;
873 }
874 result = NT_STATUS_UNSUCCESSFUL;
875 goto done;
876 }
877 }
878
879 if ((local_flags & LOCAL_ENABLE_USER) && (acb & ACB_DISABLED)) {
880 acb &= (~ACB_DISABLED);
881 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
882 ret = asprintf(pp_err_str,
883 "Failed to unset 'disabled' flag for "
884 "user %s.\n", user_name);
885 if (ret < 0) {
886 *pp_err_str = NULL;
887 }
888 result = NT_STATUS_UNSUCCESSFUL;
889 goto done;
890 }
891 }
892
893 /* now commit changes if any */
894 result = pdb_update_sam_account(sam_pass);
895 if (!NT_STATUS_IS_OK(result)) {
896 ret = asprintf(pp_err_str,
897 "Failed to modify entry for user %s.\n",
898 user_name);
899 if (ret < 0) {
900 *pp_err_str = NULL;
901 }
902 goto done;
903 }
904
905 if (local_flags & LOCAL_ADD_USER) {
906 ret = asprintf(pp_msg_str, "Added user %s.\n", user_name);
907 } else if (local_flags & LOCAL_DISABLE_USER) {
908 ret = asprintf(pp_msg_str, "Disabled user %s.\n", user_name);
909 } else if (local_flags & LOCAL_ENABLE_USER) {
910 ret = asprintf(pp_msg_str, "Enabled user %s.\n", user_name);
911 } else if (local_flags & LOCAL_SET_NO_PASSWORD) {
912 ret = asprintf(pp_msg_str,
913 "User %s password set to none.\n", user_name);
914 }
915
916 if (ret < 0) {
917 *pp_msg_str = NULL;
918 }
919
920 result = NT_STATUS_OK;
921
922 done:
923 TALLOC_FREE(sam_pass);
924 return result;
925 }
926
927 /**********************************************************************
928 Marshall/unmarshall struct samu structs.
929 *********************************************************************/
930
931 #define SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
932 #define SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
933 #define SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
934 #define SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
935 /* nothing changed between V3 and V4 */
936
937 /*********************************************************************
938 *********************************************************************/
939
940 static bool init_samu_from_buffer_v0(struct samu *sampass, uint8_t *buf, uint32_t buflen)
941 {
942
943 /* times are stored as 32bit integer
944 take care on system with 64bit wide time_t
945 --SSS */
946 uint32_t logon_time,
947 logoff_time,
948 kickoff_time,
949 pass_last_set_time,
950 pass_can_change_time,
951 pass_must_change_time;
952 char *username = NULL;
953 char *domain = NULL;
954 char *nt_username = NULL;
955 char *dir_drive = NULL;
956 char *unknown_str = NULL;
957 char *munged_dial = NULL;
958 char *fullname = NULL;
959 char *homedir = NULL;
960 char *logon_script = NULL;
961 char *profile_path = NULL;
962 char *acct_desc = NULL;
963 char *workstations = NULL;
964 uint32_t username_len, domain_len, nt_username_len,
965 dir_drive_len, unknown_str_len, munged_dial_len,
966 fullname_len, homedir_len, logon_script_len,
967 profile_path_len, acct_desc_len, workstations_len;
968
969 uint32_t user_rid, group_rid, remove_me, hours_len, unknown_6;
970 uint16_t acct_ctrl, logon_divs;
971 uint16_t bad_password_count, logon_count;
972 uint8_t *hours = NULL;
973 uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
974 uint32_t len = 0;
975 uint32_t lm_pw_len, nt_pw_len, hourslen;
976 bool ret = True;
977
978 if(sampass == NULL || buf == NULL) {
979 DEBUG(0, ("init_samu_from_buffer_v0: NULL parameters found!\n"));
980 return False;
981 }
982
983 /* SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */
984
985 /* unpack the buffer into variables */
986 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V0,
987 &logon_time, /* d */
988 &logoff_time, /* d */
989 &kickoff_time, /* d */
990 &pass_last_set_time, /* d */
991 &pass_can_change_time, /* d */
992 &pass_must_change_time, /* d */
993 &username_len, &username, /* B */
994 &domain_len, &domain, /* B */
995 &nt_username_len, &nt_username, /* B */
996 &fullname_len, &fullname, /* B */
997 &homedir_len, &homedir, /* B */
998 &dir_drive_len, &dir_drive, /* B */
999 &logon_script_len, &logon_script, /* B */
1000 &profile_path_len, &profile_path, /* B */
1001 &acct_desc_len, &acct_desc, /* B */
1002 &workstations_len, &workstations, /* B */
1003 &unknown_str_len, &unknown_str, /* B */
1004 &munged_dial_len, &munged_dial, /* B */
1005 &user_rid, /* d */
1006 &group_rid, /* d */
1007 &lm_pw_len, &lm_pw_ptr, /* B */
1008 &nt_pw_len, &nt_pw_ptr, /* B */
1009 &acct_ctrl, /* w */
1010 &remove_me, /* remove on the next TDB_FORMAT upgarde */ /* d */
1011 &logon_divs, /* w */
1012 &hours_len, /* d */
1013 &hourslen, &hours, /* B */
1014 &bad_password_count, /* w */
1015 &logon_count, /* w */
1016 &unknown_6); /* d */
1017
1018 if (len == (uint32_t) -1) {
1019 ret = False;
1020 goto done;
1021 }
1022
1023 pdb_set_logon_time(sampass, logon_time, PDB_SET);
1024 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1025 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1026 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1027 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1028
1029 pdb_set_username(sampass, username, PDB_SET);
1030 pdb_set_domain(sampass, domain, PDB_SET);
1031 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1032 pdb_set_fullname(sampass, fullname, PDB_SET);
1033
1034 if (homedir) {
1035 pdb_set_homedir(sampass, homedir, PDB_SET);
1036 }
1037 else {
1038 pdb_set_homedir(sampass,
1039 talloc_sub_basic(sampass, username, domain,
1040 lp_logon_home()),
1041 PDB_DEFAULT);
1042 }
1043
1044 if (dir_drive)
1045 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1046 else {
1047 pdb_set_dir_drive(sampass,
1048 talloc_sub_basic(sampass, username, domain,
1049 lp_logon_drive()),
1050 PDB_DEFAULT);
1051 }
1052
1053 if (logon_script)
1054 pdb_set_logon_script(sampass, logon_script, PDB_SET);
1055 else {
1056 pdb_set_logon_script(sampass,
1057 talloc_sub_basic(sampass, username, domain,
1058 lp_logon_script()),
1059 PDB_DEFAULT);
1060 }
1061
1062 if (profile_path) {
1063 pdb_set_profile_path(sampass, profile_path, PDB_SET);
1064 } else {
1065 pdb_set_profile_path(sampass,
1066 talloc_sub_basic(sampass, username, domain,
1067 lp_logon_path()),
1068 PDB_DEFAULT);
1069 }
1070
1071 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1072 pdb_set_workstations(sampass, workstations, PDB_SET);
1073 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1074
1075 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1076 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1077 ret = False;
1078 goto done;
1079 }
1080 }
1081
1082 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1083 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1084 ret = False;
1085 goto done;
1086 }
1087 }
1088
1089 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1090 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1091 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1092 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1093 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1094 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1095 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1096 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1097 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1098 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1099
1100 done:
1101
1102 SAFE_FREE(username);
1103 SAFE_FREE(domain);
1104 SAFE_FREE(nt_username);
1105 SAFE_FREE(fullname);
1106 SAFE_FREE(homedir);
1107 SAFE_FREE(dir_drive);
1108 SAFE_FREE(logon_script);
1109 SAFE_FREE(profile_path);
1110 SAFE_FREE(acct_desc);
1111 SAFE_FREE(workstations);
1112 SAFE_FREE(munged_dial);
1113 SAFE_FREE(unknown_str);
1114 SAFE_FREE(lm_pw_ptr);
1115 SAFE_FREE(nt_pw_ptr);
1116 SAFE_FREE(hours);
1117
1118 return ret;
1119 }
1120
1121 /*********************************************************************
1122 *********************************************************************/
1123
1124 static bool init_samu_from_buffer_v1(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1125 {
1126
1127 /* times are stored as 32bit integer
1128 take care on system with 64bit wide time_t
1129 --SSS */
1130 uint32_t logon_time,
1131 logoff_time,
1132 kickoff_time,
1133 bad_password_time,
1134 pass_last_set_time,
1135 pass_can_change_time,
1136 pass_must_change_time;
1137 char *username = NULL;
1138 char *domain = NULL;
1139 char *nt_username = NULL;
1140 char *dir_drive = NULL;
1141 char *unknown_str = NULL;
1142 char *munged_dial = NULL;
1143 char *fullname = NULL;
1144 char *homedir = NULL;
1145 char *logon_script = NULL;
1146 char *profile_path = NULL;
1147 char *acct_desc = NULL;
1148 char *workstations = NULL;
1149 uint32_t username_len, domain_len, nt_username_len,
1150 dir_drive_len, unknown_str_len, munged_dial_len,
1151 fullname_len, homedir_len, logon_script_len,
1152 profile_path_len, acct_desc_len, workstations_len;
1153
1154 uint32_t user_rid, group_rid, remove_me, hours_len, unknown_6;
1155 uint16_t acct_ctrl, logon_divs;
1156 uint16_t bad_password_count, logon_count;
1157 uint8_t *hours = NULL;
1158 uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
1159 uint32_t len = 0;
1160 uint32_t lm_pw_len, nt_pw_len, hourslen;
1161 bool ret = True;
1162
1163 if(sampass == NULL || buf == NULL) {
1164 DEBUG(0, ("init_samu_from_buffer_v1: NULL parameters found!\n"));
1165 return False;
1166 }
1167
1168 /* SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */
1169
1170 /* unpack the buffer into variables */
1171 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V1,
1172 &logon_time, /* d */
1173 &logoff_time, /* d */
1174 &kickoff_time, /* d */
1175 /* Change from V0 is addition of bad_password_time field. */
1176 &bad_password_time, /* d */
1177 &pass_last_set_time, /* d */
1178 &pass_can_change_time, /* d */
1179 &pass_must_change_time, /* d */
1180 &username_len, &username, /* B */
1181 &domain_len, &domain, /* B */
1182 &nt_username_len, &nt_username, /* B */
1183 &fullname_len, &fullname, /* B */
1184 &homedir_len, &homedir, /* B */
1185 &dir_drive_len, &dir_drive, /* B */
1186 &logon_script_len, &logon_script, /* B */
1187 &profile_path_len, &profile_path, /* B */
1188 &acct_desc_len, &acct_desc, /* B */
1189 &workstations_len, &workstations, /* B */
1190 &unknown_str_len, &unknown_str, /* B */
1191 &munged_dial_len, &munged_dial, /* B */
1192 &user_rid, /* d */
1193 &group_rid, /* d */
1194 &lm_pw_len, &lm_pw_ptr, /* B */
1195 &nt_pw_len, &nt_pw_ptr, /* B */
1196 &acct_ctrl, /* w */
1197 &remove_me, /* d */
1198 &logon_divs, /* w */
1199 &hours_len, /* d */
1200 &hourslen, &hours, /* B */
1201 &bad_password_count, /* w */
1202 &logon_count, /* w */
1203 &unknown_6); /* d */
1204
1205 if (len == (uint32_t) -1) {
1206 ret = False;
1207 goto done;
1208 }
1209
1210 pdb_set_logon_time(sampass, logon_time, PDB_SET);
1211 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1212 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1213
1214 /* Change from V0 is addition of bad_password_time field. */
1215 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1216 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1217 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1218
1219 pdb_set_username(sampass, username, PDB_SET);
1220 pdb_set_domain(sampass, domain, PDB_SET);
1221 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1222 pdb_set_fullname(sampass, fullname, PDB_SET);
1223
1224 if (homedir) {
1225 pdb_set_homedir(sampass, homedir, PDB_SET);
1226 }
1227 else {
1228 pdb_set_homedir(sampass,
1229 talloc_sub_basic(sampass, username, domain,
1230 lp_logon_home()),
1231 PDB_DEFAULT);
1232 }
1233
1234 if (dir_drive)
1235 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1236 else {
1237 pdb_set_dir_drive(sampass,
1238 talloc_sub_basic(sampass, username, domain,
1239 lp_logon_drive()),
1240 PDB_DEFAULT);
1241 }
1242
1243 if (logon_script)
1244 pdb_set_logon_script(sampass, logon_script, PDB_SET);
1245 else {
1246 pdb_set_logon_script(sampass,
1247 talloc_sub_basic(sampass, username, domain,
1248 lp_logon_script()),
1249 PDB_DEFAULT);
1250 }
1251
1252 if (profile_path) {
1253 pdb_set_profile_path(sampass, profile_path, PDB_SET);
1254 } else {
1255 pdb_set_profile_path(sampass,
1256 talloc_sub_basic(sampass, username, domain,
1257 lp_logon_path()),
1258 PDB_DEFAULT);
1259 }
1260
1261 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1262 pdb_set_workstations(sampass, workstations, PDB_SET);
1263 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1264
1265 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1266 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1267 ret = False;
1268 goto done;
1269 }
1270 }
1271
1272 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1273 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1274 ret = False;
1275 goto done;
1276 }
1277 }
1278
1279 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1280
1281 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1282 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1283 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1284 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1285 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1286 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1287 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1288 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1289 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1290
1291 done:
1292
1293 SAFE_FREE(username);
1294 SAFE_FREE(domain);
1295 SAFE_FREE(nt_username);
1296 SAFE_FREE(fullname);
1297 SAFE_FREE(homedir);
1298 SAFE_FREE(dir_drive);
1299 SAFE_FREE(logon_script);
1300 SAFE_FREE(profile_path);
1301 SAFE_FREE(acct_desc);
1302 SAFE_FREE(workstations);
1303 SAFE_FREE(munged_dial);
1304 SAFE_FREE(unknown_str);
1305 SAFE_FREE(lm_pw_ptr);
1306 SAFE_FREE(nt_pw_ptr);
1307 SAFE_FREE(hours);
1308
1309 return ret;
1310 }
1311
1312 static bool init_samu_from_buffer_v2(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1313 {
1314
1315 /* times are stored as 32bit integer
1316 take care on system with 64bit wide time_t
1317 --SSS */
1318 uint32_t logon_time,
1319 logoff_time,
1320 kickoff_time,
1321 bad_password_time,
1322 pass_last_set_time,
1323 pass_can_change_time,
1324 pass_must_change_time;
1325 char *username = NULL;
1326 char *domain = NULL;
1327 char *nt_username = NULL;
1328 char *dir_drive = NULL;
1329 char *unknown_str = NULL;
1330 char *munged_dial = NULL;
1331 char *fullname = NULL;
1332 char *homedir = NULL;
1333 char *logon_script = NULL;
1334 char *profile_path = NULL;
1335 char *acct_desc = NULL;
1336 char *workstations = NULL;
1337 uint32_t username_len, domain_len, nt_username_len,
1338 dir_drive_len, unknown_str_len, munged_dial_len,
1339 fullname_len, homedir_len, logon_script_len,
1340 profile_path_len, acct_desc_len, workstations_len;
1341
1342 uint32_t user_rid, group_rid, hours_len, unknown_6;
1343 uint16_t acct_ctrl, logon_divs;
1344 uint16_t bad_password_count, logon_count;
1345 uint8_t *hours = NULL;
1346 uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1347 uint32_t len = 0;
1348 uint32_t lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1349 uint32_t pwHistLen = 0;
1350 bool ret = True;
1351 fstring tmp_string;
1352 bool expand_explicit = lp_passdb_expand_explicit();
1353
1354 if(sampass == NULL || buf == NULL) {
1355 DEBUG(0, ("init_samu_from_buffer_v2: NULL parameters found!\n"));
1356 return False;
1357 }
1358
1359 /* SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */
1360
1361 /* unpack the buffer into variables */
1362 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V2,
1363 &logon_time, /* d */
1364 &logoff_time, /* d */
1365 &kickoff_time, /* d */
1366 &bad_password_time, /* d */
1367 &pass_last_set_time, /* d */
1368 &pass_can_change_time, /* d */
1369 &pass_must_change_time, /* d */
1370 &username_len, &username, /* B */
1371 &domain_len, &domain, /* B */
1372 &nt_username_len, &nt_username, /* B */
1373 &fullname_len, &fullname, /* B */
1374 &homedir_len, &homedir, /* B */
1375 &dir_drive_len, &dir_drive, /* B */
1376 &logon_script_len, &logon_script, /* B */
1377 &profile_path_len, &profile_path, /* B */
1378 &acct_desc_len, &acct_desc, /* B */
1379 &workstations_len, &workstations, /* B */
1380 &unknown_str_len, &unknown_str, /* B */
1381 &munged_dial_len, &munged_dial, /* B */
1382 &user_rid, /* d */
1383 &group_rid, /* d */
1384 &lm_pw_len, &lm_pw_ptr, /* B */
1385 &nt_pw_len, &nt_pw_ptr, /* B */
1386 /* Change from V1 is addition of password history field. */
1387 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
1388 &acct_ctrl, /* w */
1389 /* Also "remove_me" field was removed. */
1390 &logon_divs, /* w */
1391 &hours_len, /* d */
1392 &hourslen, &hours, /* B */
1393 &bad_password_count, /* w */
1394 &logon_count, /* w */
1395 &unknown_6); /* d */
1396
1397 if (len == (uint32_t) -1) {
1398 ret = False;
1399 goto done;
1400 }
1401
1402 pdb_set_logon_time(sampass, logon_time, PDB_SET);
1403 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1404 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1405 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1406 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1407 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1408
1409 pdb_set_username(sampass, username, PDB_SET);
1410 pdb_set_domain(sampass, domain, PDB_SET);
1411 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1412 pdb_set_fullname(sampass, fullname, PDB_SET);
1413
1414 if (homedir) {
1415 fstrcpy( tmp_string, homedir );
1416 if (expand_explicit) {
1417 standard_sub_basic( username, domain, tmp_string,
1418 sizeof(tmp_string) );
1419 }
1420 pdb_set_homedir(sampass, tmp_string, PDB_SET);
1421 }
1422 else {
1423 pdb_set_homedir(sampass,
1424 talloc_sub_basic(sampass, username, domain,
1425 lp_logon_home()),
1426 PDB_DEFAULT);
1427 }
1428
1429 if (dir_drive)
1430 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1431 else
1432 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1433
1434 if (logon_script) {
1435 fstrcpy( tmp_string, logon_script );
1436 if (expand_explicit) {
1437 standard_sub_basic( username, domain, tmp_string,
1438 sizeof(tmp_string) );
1439 }
1440 pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1441 }
1442 else {
1443 pdb_set_logon_script(sampass,
1444 talloc_sub_basic(sampass, username, domain,
1445 lp_logon_script()),
1446 PDB_DEFAULT);
1447 }
1448
1449 if (profile_path) {
1450 fstrcpy( tmp_string, profile_path );
1451 if (expand_explicit) {
1452 standard_sub_basic( username, domain, tmp_string,
1453 sizeof(tmp_string) );
1454 }
1455 pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1456 }
1457 else {
1458 pdb_set_profile_path(sampass,
1459 talloc_sub_basic(sampass, username, domain,
1460 lp_logon_path()),
1461 PDB_DEFAULT);
1462 }
1463
1464 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1465 pdb_set_workstations(sampass, workstations, PDB_SET);
1466 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1467
1468 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1469 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1470 ret = False;
1471 goto done;
1472 }
1473 }
1474
1475 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1476 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1477 ret = False;
1478 goto done;
1479 }
1480 }
1481
1482 /* Change from V1 is addition of password history field. */
1483 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1484 if (pwHistLen) {
1485 uint8_t *pw_hist = SMB_MALLOC_ARRAY(uint8_t, pwHistLen * PW_HISTORY_ENTRY_LEN);
1486 if (!pw_hist) {
1487 ret = False;
1488 goto done;
1489 }
1490 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1491 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1492 int i;
1493 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1494 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1495 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1496 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1497 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1498 PW_HISTORY_ENTRY_LEN);
1499 }
1500 }
1501 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1502 SAFE_FREE(pw_hist);
1503 ret = False;
1504 goto done;
1505 }
1506 SAFE_FREE(pw_hist);
1507 } else {
1508 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1509 }
1510
1511 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1512 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1513 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1514 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1515 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1516 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1517 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1518 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1519 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1520
1521 done:
1522
1523 SAFE_FREE(username);
1524 SAFE_FREE(domain);
1525 SAFE_FREE(nt_username);
1526 SAFE_FREE(fullname);
1527 SAFE_FREE(homedir);
1528 SAFE_FREE(dir_drive);
1529 SAFE_FREE(logon_script);
1530 SAFE_FREE(profile_path);
1531 SAFE_FREE(acct_desc);
1532 SAFE_FREE(workstations);
1533 SAFE_FREE(munged_dial);
1534 SAFE_FREE(unknown_str);
1535 SAFE_FREE(lm_pw_ptr);
1536 SAFE_FREE(nt_pw_ptr);
1537 SAFE_FREE(nt_pw_hist_ptr);
1538 SAFE_FREE(hours);
1539
1540 return ret;
1541 }
1542
1543 /*********************************************************************
1544 *********************************************************************/
1545
1546 static bool init_samu_from_buffer_v3(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1547 {
1548
1549 /* times are stored as 32bit integer
1550 take care on system with 64bit wide time_t
1551 --SSS */
1552 uint32_t logon_time,
1553 logoff_time,
1554 kickoff_time,
1555 bad_password_time,
1556 pass_last_set_time,
1557 pass_can_change_time,
1558 pass_must_change_time;
1559 char *username = NULL;
1560 char *domain = NULL;
1561 char *nt_username = NULL;
1562 char *dir_drive = NULL;
1563 char *comment = NULL;
1564 char *munged_dial = NULL;
1565 char *fullname = NULL;
1566 char *homedir = NULL;
1567 char *logon_script = NULL;
1568 char *profile_path = NULL;
1569 char *acct_desc = NULL;
1570 char *workstations = NULL;
1571 uint32_t username_len, domain_len, nt_username_len,
1572 dir_drive_len, comment_len, munged_dial_len,
1573 fullname_len, homedir_len, logon_script_len,
1574 profile_path_len, acct_desc_len, workstations_len;
1575
1576 uint32_t user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
1577 uint16_t logon_divs;
1578 uint16_t bad_password_count, logon_count;
1579 uint8_t *hours = NULL;
1580 uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1581 uint32_t len = 0;
1582 uint32_t lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1583 uint32_t pwHistLen = 0;
1584 bool ret = True;
1585 fstring tmp_string;
1586 bool expand_explicit = lp_passdb_expand_explicit();
1587
1588 if(sampass == NULL || buf == NULL) {
1589 DEBUG(0, ("init_samu_from_buffer_v3: NULL parameters found!\n"));
1590 return False;
1591 }
1592
1593 /* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1594
1595 /* unpack the buffer into variables */
1596 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V3,
1597 &logon_time, /* d */
1598 &logoff_time, /* d */
1599 &kickoff_time, /* d */
1600 &bad_password_time, /* d */
1601 &pass_last_set_time, /* d */
1602 &pass_can_change_time, /* d */
1603 &pass_must_change_time, /* d */
1604 &username_len, &username, /* B */
1605 &domain_len, &domain, /* B */
1606 &nt_username_len, &nt_username, /* B */
1607 &fullname_len, &fullname, /* B */
1608 &homedir_len, &homedir, /* B */
1609 &dir_drive_len, &dir_drive, /* B */
1610 &logon_script_len, &logon_script, /* B */
1611 &profile_path_len, &profile_path, /* B */
1612 &acct_desc_len, &acct_desc, /* B */
1613 &workstations_len, &workstations, /* B */
1614 &comment_len, &comment, /* B */
1615 &munged_dial_len, &munged_dial, /* B */
1616 &user_rid, /* d */
1617 &group_rid, /* d */
1618 &lm_pw_len, &lm_pw_ptr, /* B */
1619 &nt_pw_len, &nt_pw_ptr, /* B */
1620 /* Change from V1 is addition of password history field. */
1621 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
1622 /* Change from V2 is the uint32_t acb_mask */
1623 &acct_ctrl, /* d */
1624 /* Also "remove_me" field was removed. */
1625 &logon_divs, /* w */
1626 &hours_len, /* d */
1627 &hourslen, &hours, /* B */
1628 &bad_password_count, /* w */
1629 &logon_count, /* w */
1630 &unknown_6); /* d */
1631
1632 if (len == (uint32_t) -1) {
1633 ret = False;
1634 goto done;
1635 }
1636
1637 pdb_set_logon_time(sampass, convert_uint32_t_to_time_t(logon_time), PDB_SET);
1638 pdb_set_logoff_time(sampass, convert_uint32_t_to_time_t(logoff_time), PDB_SET);
1639 pdb_set_kickoff_time(sampass, convert_uint32_t_to_time_t(kickoff_time), PDB_SET);
1640 pdb_set_bad_password_time(sampass, convert_uint32_t_to_time_t(bad_password_time), PDB_SET);
1641 pdb_set_pass_can_change_time(sampass, convert_uint32_t_to_time_t(pass_can_change_time), PDB_SET);
1642 pdb_set_pass_last_set_time(sampass, convert_uint32_t_to_time_t(pass_last_set_time), PDB_SET);
1643
1644 pdb_set_username(sampass, username, PDB_SET);
1645 pdb_set_domain(sampass, domain, PDB_SET);
1646 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1647 pdb_set_fullname(sampass, fullname, PDB_SET);
1648
1649 if (homedir) {
1650 fstrcpy( tmp_string, homedir );
1651 if (expand_explicit) {
1652 standard_sub_basic( username, domain, tmp_string,
1653 sizeof(tmp_string) );
1654 }
1655 pdb_set_homedir(sampass, tmp_string, PDB_SET);
1656 }
1657 else {
1658 pdb_set_homedir(sampass,
1659 talloc_sub_basic(sampass, username, domain,
1660 lp_logon_home()),
1661 PDB_DEFAULT);
1662 }
1663
1664 if (dir_drive)
1665 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1666 else
1667 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1668
1669 if (logon_script) {
1670 fstrcpy( tmp_string, logon_script );
1671 if (expand_explicit) {
1672 standard_sub_basic( username, domain, tmp_string,
1673 sizeof(tmp_string) );
1674 }
1675 pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1676 }
1677 else {
1678 pdb_set_logon_script(sampass,
1679 talloc_sub_basic(sampass, username, domain,
1680 lp_logon_script()),
1681 PDB_DEFAULT);
1682 }
1683
1684 if (profile_path) {
1685 fstrcpy( tmp_string, profile_path );
1686 if (expand_explicit) {
1687 standard_sub_basic( username, domain, tmp_string,
1688 sizeof(tmp_string) );
1689 }
1690 pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1691 }
1692 else {
1693 pdb_set_profile_path(sampass,
1694 talloc_sub_basic(sampass, username, domain, lp_logon_path()),
1695 PDB_DEFAULT);
1696 }
1697
1698 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1699 pdb_set_comment(sampass, comment, PDB_SET);
1700 pdb_set_workstations(sampass, workstations, PDB_SET);
1701 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1702
1703 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1704 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1705 ret = False;
1706 goto done;
1707 }
1708 }
1709
1710 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1711 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1712 ret = False;
1713 goto done;
1714 }
1715 }
1716
1717 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1718 if (pwHistLen) {
1719 uint8_t *pw_hist = (uint8_t *)SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
1720 if (!pw_hist) {
1721 ret = False;
1722 goto done;
1723 }
1724 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1725 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1726 int i;
1727 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1728 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1729 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1730 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1731 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1732 PW_HISTORY_ENTRY_LEN);
1733 }
1734 }
1735 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1736 SAFE_FREE(pw_hist);
1737 ret = False;
1738 goto done;
1739 }
1740 SAFE_FREE(pw_hist);
1741 } else {
1742 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1743 }
1744
1745 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1746 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1747 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1748 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1749 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1750 /* Change from V2 is the uint32_t acct_ctrl */
1751 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1752 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1753 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1754
1755 done:
1756
1757 SAFE_FREE(username);
1758 SAFE_FREE(domain);
1759 SAFE_FREE(nt_username);
1760 SAFE_FREE(fullname);
1761 SAFE_FREE(homedir);
1762 SAFE_FREE(dir_drive);
1763 SAFE_FREE(logon_script);
1764 SAFE_FREE(profile_path);
1765 SAFE_FREE(acct_desc);
1766 SAFE_FREE(workstations);
1767 SAFE_FREE(munged_dial);
1768 SAFE_FREE(comment);
1769 SAFE_FREE(lm_pw_ptr);
1770 SAFE_FREE(nt_pw_ptr);
1771 SAFE_FREE(nt_pw_hist_ptr);
1772 SAFE_FREE(hours);
1773
1774 return ret;
1775 }
1776
1777 /*********************************************************************
1778 *********************************************************************/
1779
1780 static uint32_t init_buffer_from_samu_v3 (uint8_t **buf, struct samu *sampass, bool size_only)
1781 {
1782 size_t len, buflen;
1783
1784 /* times are stored as 32bit integer
1785 take care on system with 64bit wide time_t
1786 --SSS */
1787 uint32_t logon_time,
1788 logoff_time,
1789 kickoff_time,
1790 bad_password_time,
1791 pass_last_set_time,
1792 pass_can_change_time,
1793 pass_must_change_time;
1794
1795 uint32_t user_rid, group_rid;
1796
1797 const char *username;
1798 const char *domain;
1799 const char *nt_username;
1800 const char *dir_drive;
1801 const char *comment;
1802 const char *munged_dial;
1803 const char *fullname;
1804 const char *homedir;
1805 const char *logon_script;
1806 const char *profile_path;
1807 const char *acct_desc;
1808 const char *workstations;
1809 uint32_t username_len, domain_len, nt_username_len,
1810 dir_drive_len, comment_len, munged_dial_len,
1811 fullname_len, homedir_len, logon_script_len,
1812 profile_path_len, acct_desc_len, workstations_len;
1813
1814 const uint8_t *lm_pw;
1815 const uint8_t *nt_pw;
1816 const uint8_t *nt_pw_hist;
1817 uint32_t lm_pw_len = 16;
1818 uint32_t nt_pw_len = 16;
1819 uint32_t nt_pw_hist_len;
1820 uint32_t pwHistLen = 0;
1821
1822 *buf = NULL;
1823 buflen = 0;
1824
1825 logon_time = convert_time_t_to_uint32_t(pdb_get_logon_time(sampass));
1826 logoff_time = convert_time_t_to_uint32_t(pdb_get_logoff_time(sampass));
1827 kickoff_time = convert_time_t_to_uint32_t(pdb_get_kickoff_time(sampass));
1828 bad_password_time = convert_time_t_to_uint32_t(pdb_get_bad_password_time(sampass));
1829 pass_can_change_time = convert_time_t_to_uint32_t(pdb_get_pass_can_change_time_noncalc(sampass));
1830 pass_must_change_time = convert_time_t_to_uint32_t(pdb_get_pass_must_change_time(sampass));
1831 pass_last_set_time = convert_time_t_to_uint32_t(pdb_get_pass_last_set_time(sampass));
1832
1833 user_rid = pdb_get_user_rid(sampass);
1834 group_rid = pdb_get_group_rid(sampass);
1835
1836 username = pdb_get_username(sampass);
1837 if (username) {
1838 username_len = strlen(username) +1;
1839 } else {
1840 username_len = 0;
1841 }
1842
1843 domain = pdb_get_domain(sampass);
1844 if (domain) {
1845 domain_len = strlen(domain) +1;
1846 } else {
1847 domain_len = 0;
1848 }
1849
1850 nt_username = pdb_get_nt_username(sampass);
1851 if (nt_username) {
1852 nt_username_len = strlen(nt_username) +1;
1853 } else {
1854 nt_username_len = 0;
1855 }
1856
1857 fullname = pdb_get_fullname(sampass);
1858 if (fullname) {
1859 fullname_len = strlen(fullname) +1;
1860 } else {
1861 fullname_len = 0;
1862 }
1863
1864 /*
1865 * Only updates fields which have been set (not defaults from smb.conf)
1866 */
1867
1868 if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1869 dir_drive = pdb_get_dir_drive(sampass);
1870 } else {
1871 dir_drive = NULL;
1872 }
1873 if (dir_drive) {
1874 dir_drive_len = strlen(dir_drive) +1;
1875 } else {
1876 dir_drive_len = 0;
1877 }
1878
1879 if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1880 homedir = pdb_get_homedir(sampass);
1881 } else {
1882 homedir = NULL;
1883 }
1884 if (homedir) {
1885 homedir_len = strlen(homedir) +1;
1886 } else {
1887 homedir_len = 0;
1888 }
1889
1890 if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1891 logon_script = pdb_get_logon_script(sampass);
1892 } else {
1893 logon_script = NULL;
1894 }
1895 if (logon_script) {
1896 logon_script_len = strlen(logon_script) +1;
1897 } else {
1898 logon_script_len = 0;
1899 }
1900
1901 if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1902 profile_path = pdb_get_profile_path(sampass);
1903 } else {
1904 profile_path = NULL;
1905 }
1906 if (profile_path) {
1907 profile_path_len = strlen(profile_path) +1;
1908 } else {
1909 profile_path_len = 0;
1910 }
1911
1912 lm_pw = pdb_get_lanman_passwd(sampass);
1913 if (!lm_pw) {
1914 lm_pw_len = 0;
1915 }
1916
1917 nt_pw = pdb_get_nt_passwd(sampass);
1918 if (!nt_pw) {
1919 nt_pw_len = 0;
1920 }
1921
1922 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1923 nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
1924 if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1925 nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1926 } else {
1927 nt_pw_hist_len = 0;
1928 }
1929
1930 acct_desc = pdb_get_acct_desc(sampass);
1931 if (acct_desc) {
1932 acct_desc_len = strlen(acct_desc) +1;
1933 } else {
1934 acct_desc_len = 0;
1935 }
1936
1937 workstations = pdb_get_workstations(sampass);
1938 if (workstations) {
1939 workstations_len = strlen(workstations) +1;
1940 } else {
1941 workstations_len = 0;
1942 }
1943
1944 comment = pdb_get_comment(sampass);
1945 if (comment) {
1946 comment_len = strlen(comment) +1;
1947 } else {
1948 comment_len = 0;
1949 }
1950
1951 munged_dial = pdb_get_munged_dial(sampass);
1952 if (munged_dial) {
1953 munged_dial_len = strlen(munged_dial) +1;
1954 } else {
1955 munged_dial_len = 0;
1956 }
1957
1958 /* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1959
1960 /* one time to get the size needed */
1961 len = tdb_pack(NULL, 0, SAMU_BUFFER_FORMAT_V3,
1962 logon_time, /* d */
1963 logoff_time, /* d */
1964 kickoff_time, /* d */
1965 bad_password_time, /* d */
1966 pass_last_set_time, /* d */
1967 pass_can_change_time, /* d */
1968 pass_must_change_time, /* d */
1969 username_len, username, /* B */
1970 domain_len, domain, /* B */
1971 nt_username_len, nt_username, /* B */
1972 fullname_len, fullname, /* B */
1973 homedir_len, homedir, /* B */
1974 dir_drive_len, dir_drive, /* B */
1975 logon_script_len, logon_script, /* B */
1976 profile_path_len, profile_path, /* B */
1977 acct_desc_len, acct_desc, /* B */
1978 workstations_len, workstations, /* B */
1979 comment_len, comment, /* B */
1980 munged_dial_len, munged_dial, /* B */
1981 user_rid, /* d */
1982 group_rid, /* d */
1983 lm_pw_len, lm_pw, /* B */
1984 nt_pw_len, nt_pw, /* B */
1985 nt_pw_hist_len, nt_pw_hist, /* B */
1986 pdb_get_acct_ctrl(sampass), /* d */
1987 pdb_get_logon_divs(sampass), /* w */
1988 pdb_get_hours_len(sampass), /* d */
1989 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1990 pdb_get_bad_password_count(sampass), /* w */
1991 pdb_get_logon_count(sampass), /* w */
1992 pdb_get_unknown_6(sampass)); /* d */
1993
1994 if (size_only) {
1995 return buflen;
1996 }
1997
1998 /* malloc the space needed */
1999 if ( (*buf=(uint8_t*)SMB_MALLOC(len)) == NULL) {
2000 DEBUG(0,("init_buffer_from_samu_v3: Unable to malloc() memory for buffer!\n"));
2001 return (-1);
2002 }
2003
2004 /* now for the real call to tdb_pack() */
2005 buflen = tdb_pack(*buf, len, SAMU_BUFFER_FORMAT_V3,
2006 logon_time, /* d */
2007 logoff_time, /* d */
2008 kickoff_time, /* d */
2009 bad_password_time, /* d */
2010 pass_last_set_time, /* d */
2011 pass_can_change_time, /* d */
2012 pass_must_change_time, /* d */
2013 username_len, username, /* B */
2014 domain_len, domain, /* B */
2015 nt_username_len, nt_username, /* B */
2016 fullname_len, fullname, /* B */
2017 homedir_len, homedir, /* B */
2018 dir_drive_len, dir_drive, /* B */
2019 logon_script_len, logon_script, /* B */
2020 profile_path_len, profile_path, /* B */
2021 acct_desc_len, acct_desc, /* B */
2022 workstations_len, workstations, /* B */
2023 comment_len, comment, /* B */
2024 munged_dial_len, munged_dial, /* B */
2025 user_rid, /* d */
2026 group_rid, /* d */
2027 lm_pw_len, lm_pw, /* B */
2028 nt_pw_len, nt_pw, /* B */
2029 nt_pw_hist_len, nt_pw_hist, /* B */
2030 pdb_get_acct_ctrl(sampass), /* d */
2031 pdb_get_logon_divs(sampass), /* w */
2032 pdb_get_hours_len(sampass), /* d */
2033 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
2034 pdb_get_bad_password_count(sampass), /* w */
2035 pdb_get_logon_count(sampass), /* w */
2036 pdb_get_unknown_6(sampass)); /* d */
2037
2038 /* check to make sure we got it correct */
2039 if (buflen != len) {
2040 DEBUG(0, ("init_buffer_from_samu_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
2041 (unsigned long)buflen, (unsigned long)len));
2042 /* error */
2043 SAFE_FREE (*buf);
2044 return (-1);
2045 }
2046
2047 return (buflen);
2048 }
2049
2050 static bool init_samu_from_buffer_v4(struct samu *sampass, uint8_t *buf, uint32_t buflen)
2051 {
2052 /* nothing changed between V3 and V4 */
2053 return init_samu_from_buffer_v3(sampass, buf, buflen);
2054 }
2055
2056 static uint32_t init_buffer_from_samu_v4(uint8_t **buf, struct samu *sampass, bool size_only)
2057 {
2058 /* nothing changed between V3 and V4 */
2059 return init_buffer_from_samu_v3(buf, sampass, size_only);
2060 }
2061
2062 /**********************************************************************
2063 Intialize a struct samu struct from a BYTE buffer of size len
2064 *********************************************************************/
2065
2066 bool init_samu_from_buffer(struct samu *sampass, uint32_t level,
2067 uint8_t *buf, uint32_t buflen)
2068 {
2069 switch (level) {
2070 case SAMU_BUFFER_V0:
2071 return init_samu_from_buffer_v0(sampass, buf, buflen);
2072 case SAMU_BUFFER_V1:
2073 return init_samu_from_buffer_v1(sampass, buf, buflen);
2074 case SAMU_BUFFER_V2:
2075 return init_samu_from_buffer_v2(sampass, buf, buflen);
2076 case SAMU_BUFFER_V3:
2077 return init_samu_from_buffer_v3(sampass, buf, buflen);
2078 case SAMU_BUFFER_V4:
2079 return init_samu_from_buffer_v4(sampass, buf, buflen);
2080 }
2081
2082 return false;
2083 }
2084
2085 /**********************************************************************
2086 Intialize a BYTE buffer from a struct samu struct
2087 *********************************************************************/
2088
2089 uint32_t init_buffer_from_samu (uint8_t **buf, struct samu *sampass, bool size_only)
2090 {
2091 return init_buffer_from_samu_v4(buf, sampass, size_only);
2092 }
2093
2094 /*********************************************************************
2095 *********************************************************************/
2096
2097 bool pdb_copy_sam_account(struct samu *dst, struct samu *src )
2098 {
2099 uint8_t *buf = NULL;
2100 int len;
2101
2102 len = init_buffer_from_samu(&buf, src, False);
2103 if (len == -1 || !buf) {
2104 SAFE_FREE(buf);
2105 return False;
2106 }
2107
2108 if (!init_samu_from_buffer( dst, SAMU_BUFFER_LATEST, buf, len )) {
2109 free(buf);
2110 return False;
2111 }
2112
2113 dst->methods = src->methods;
2114
2115 if ( src->unix_pw ) {
2116 dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
2117 if (!dst->unix_pw) {
2118 free(buf);
2119 return False;
2120 }
2121 }
2122
2123 if (src->group_sid) {
2124 pdb_set_group_sid(dst, src->group_sid, PDB_SET);
2125 }
2126
2127 free(buf);
2128 return True;
2129 }
2130
2131 /*********************************************************************
2132 Update the bad password count checking the PDB_POLICY_RESET_COUNT_TIME
2133 *********************************************************************/
2134
2135 bool pdb_update_bad_password_count(struct samu *sampass, bool *updated)
2136 {
2137 time_t LastBadPassword;
2138 uint16_t BadPasswordCount;
2139 uint32_t resettime;
2140 bool res;
2141
2142 BadPasswordCount = pdb_get_bad_password_count(sampass);
2143 if (!BadPasswordCount) {
2144 DEBUG(9, ("No bad password attempts.\n"));
2145 return True;
2146 }
2147
2148 become_root();
2149 res = pdb_get_account_policy(PDB_POLICY_RESET_COUNT_TIME, &resettime);
2150 unbecome_root();
2151
2152 if (!res) {
2153 DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
2154 return False;
2155 }
2156
2157 /* First, check if there is a reset time to compare */
2158 if ((resettime == (uint32_t) -1) || (resettime == 0)) {
2159 DEBUG(9, ("No reset time, can't reset bad pw count\n"));
2160 return True;
2161 }
2162
2163 LastBadPassword = pdb_get_bad_password_time(sampass);
2164 DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
2165 (uint32_t) LastBadPassword, resettime, (uint32_t)time(NULL)));
2166 if (time(NULL) > (LastBadPassword + convert_uint32_t_to_time_t(resettime)*60)){
2167 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2168 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2169 if (updated) {
2170 *updated = True;
2171 }
2172 }
2173
2174 return True;
2175 }
2176
2177 /*********************************************************************
2178 Update the ACB_AUTOLOCK flag checking the PDB_POLICY_LOCK_ACCOUNT_DURATION
2179 *********************************************************************/
2180
2181 bool pdb_update_autolock_flag(struct samu *sampass, bool *updated)
2182 {
2183 uint32_t duration;
2184 time_t LastBadPassword;
2185 bool res;
2186
2187 if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
2188 DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
2189 pdb_get_username(sampass)));
2190 return True;
2191 }
2192
2193 become_root();
2194 res = pdb_get_account_policy(PDB_POLICY_LOCK_ACCOUNT_DURATION, &duration);
2195 unbecome_root();
2196
2197 if (!res) {
2198 DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
2199 return False;
2200 }
2201
2202 /* First, check if there is a duration to compare */
2203 if ((duration == (uint32_t) -1) || (duration == 0)) {
2204 DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
2205 return True;
2206 }
2207
2208 LastBadPassword = pdb_get_bad_password_time(sampass);
2209 DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
2210 pdb_get_username(sampass), (uint32_t)LastBadPassword, duration*60, (uint32_t)time(NULL)));
2211
2212 if (LastBadPassword == (time_t)0) {
2213 DEBUG(1,("pdb_update_autolock_flag: Account %s "
2214 "administratively locked out with no bad password "
2215 "time. Leaving locked out.\n",
2216 pdb_get_username(sampass) ));
2217 return True;
2218 }
2219
2220 if ((time(NULL) > (LastBadPassword + convert_uint32_t_to_time_t(duration) * 60))) {
2221 pdb_set_acct_ctrl(sampass,
2222 pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
2223 PDB_CHANGED);
2224 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2225 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2226 if (updated) {
2227 *updated = True;
2228 }
2229 }
2230
2231 return True;
2232 }
2233
2234 /*********************************************************************
2235 Increment the bad_password_count
2236 *********************************************************************/
2237
2238 bool pdb_increment_bad_password_count(struct samu *sampass)
2239 {
2240 uint32_t account_policy_lockout;
2241 bool autolock_updated = False, badpw_updated = False;
2242 bool ret;
2243
2244 /* Retrieve the account lockout policy */
2245 become_root();
2246 ret = pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
2247 unbecome_root();
2248 if ( !ret ) {
2249 DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
2250 return False;
2251 }
2252
2253 /* If there is no policy, we don't need to continue checking */
2254 if (!account_policy_lockout) {
2255 DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
2256 return True;
2257 }
2258
2259 /* Check if the autolock needs to be cleared */
2260 if (!pdb_update_autolock_flag(sampass, &autolock_updated))
2261 return False;
2262
2263 /* Check if the badpw count needs to be reset */
2264 if (!pdb_update_bad_password_count(sampass, &badpw_updated))
2265 return False;
2266
2267 /*
2268 Ok, now we can assume that any resetting that needs to be
2269 done has been done, and just get on with incrementing
2270 and autolocking if necessary
2271 */
2272
2273 pdb_set_bad_password_count(sampass,
2274 pdb_get_bad_password_count(sampass)+1,
2275 PDB_CHANGED);
2276 pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
2277
2278
2279 if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
2280 return True;
2281
2282 if (!pdb_set_acct_ctrl(sampass,
2283 pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
2284 PDB_CHANGED)) {
2285 DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
2286 return False;
2287 }
2288
2289 return True;
2290 }
2291
2292 bool is_dc_trusted_domain_situation(const char *domain_name)
2293 {
2294 return IS_DC && !strequal(domain_name, lp_workgroup());
2295 }
2296
2297 /*******************************************************************
2298 Wrapper around retrieving the clear text trust account password.
2299 appropriate account name is stored in account_name.
2300 Caller must free password, but not account_name.
2301 *******************************************************************/
2302
2303 static bool get_trust_pw_clear2(const char *domain,
2304 const char **account_name,
2305 enum netr_SchannelType *channel,
2306 char **cur_pw,
2307 time_t *_last_set_time,
2308 char **prev_pw)
2309 {
2310 char *pwd;
2311 time_t last_set_time;
2312
2313 if (cur_pw != NULL) {
2314 *cur_pw = NULL;
2315 }
2316 if (_last_set_time != NULL) {
2317 *_last_set_time = 0;
2318 }
2319 if (prev_pw != NULL) {
2320 *prev_pw = NULL;
2321 }
2322
2323 /* if we are a DC and this is not our domain, then lookup an account
2324 * for the domain trust */
2325
2326 if (is_dc_trusted_domain_situation(domain)) {
2327 if (!lp_allow_trusted_domains()) {
2328 return false;
2329 }
2330
2331 if (!pdb_get_trusteddom_pw(domain, cur_pw, NULL,
2332 &last_set_time))
2333 {
2334 DEBUG(0, ("get_trust_pw: could not fetch trust "
2335 "account password for trusted domain %s\n",
2336 domain));
2337 return false;
2338 }
2339
2340 if (channel != NULL) {
2341 *channel = SEC_CHAN_DOMAIN;
2342 }
2343
2344 if (account_name != NULL) {
2345 *account_name = lp_workgroup();
2346 }
2347
2348 if (_last_set_time != NULL) {
2349 *_last_set_time = last_set_time;
2350 }
2351
2352 return true;
2353 }
2354
2355 /*
2356 * Since we can only be member of one single domain, we are now
2357 * in a member situation:
2358 *
2359 * - Either we are a DC (selfjoined) and the domain is our
2360 * own domain.
2361 * - Or we are on a member and the domain is our own or some
2362 * other (potentially trusted) domain.
2363 *
2364 * In both cases, we can only get the machine account password
2365 * for our own domain to connect to our own dc. (For a member,
2366 * request to trusted domains are performed through our dc.)
2367 *
2368 * So we simply use our own domain name to retrieve the
2369 * machine account passowrd and ignore the request domain here.
2370 */
2371
2372 pwd = secrets_fetch_machine_password(lp_workgroup(), &last_set_time, channel);
2373
2374 if (pwd != NULL) {
2375 struct timeval expire;
2376
2377 *cur_pw = pwd;
2378
2379 if (account_name != NULL) {
2380 *account_name = lp_netbios_name();
2381 }
2382
2383 if (_last_set_time != NULL) {
2384 *_last_set_time = last_set_time;
2385 }
2386
2387 if (prev_pw == NULL) {
2388 return true;
2389 }
2390
2391 ZERO_STRUCT(expire);
2392 expire.tv_sec = lp_machine_password_timeout();
2393 expire.tv_sec /= 2;
2394 expire.tv_sec += last_set_time;
2395 if (timeval_expired(&expire)) {
2396 return true;
2397 }
2398
2399 pwd = secrets_fetch_prev_machine_password(lp_workgroup());
2400 if (pwd != NULL) {
2401 *prev_pw = pwd;
2402 }
2403
2404 return true;
2405 }
2406
2407 DEBUG(5, ("get_trust_pw_clear2: could not fetch clear text trust "
2408 "account password for domain %s\n", domain));
2409 return false;
2410 }
2411
2412 bool get_trust_pw_clear(const char *domain, char **ret_pwd,
2413 const char **account_name,
2414 enum netr_SchannelType *channel)
2415 {
2416 return get_trust_pw_clear2(domain,
2417 account_name,
2418 channel,
2419 ret_pwd,
2420 NULL,
2421 NULL);
2422 }
2423
2424 /*******************************************************************
2425 Wrapper around retrieving the trust account password.
2426 appropriate account name is stored in account_name.
2427 *******************************************************************/
2428
2429 static bool get_trust_pw_hash2(const char *domain,
2430 const char **account_name,
2431 enum netr_SchannelType *channel,
2432 struct samr_Password *current_nt_hash,
2433 time_t *last_set_time,
2434 struct samr_Password **_previous_nt_hash)
2435 {
2436 char *cur_pw = NULL;
2437 char *prev_pw = NULL;
2438 char **_prev_pw = NULL;
2439 bool ok;
2440
2441 if (_previous_nt_hash != NULL) {
2442 *_previous_nt_hash = NULL;
2443 _prev_pw = &prev_pw;
2444 }
2445
2446 ok = get_trust_pw_clear2(domain, account_name, channel,
2447 &cur_pw, last_set_time, _prev_pw);
2448 if (ok) {
2449 struct samr_Password *previous_nt_hash = NULL;
2450
2451 E_md4hash(cur_pw, current_nt_hash->hash);
2452 SAFE_FREE(cur_pw);
2453
2454 if (prev_pw == NULL) {
2455 return true;
2456 }
2457
2458 previous_nt_hash = SMB_MALLOC_P(struct samr_Password);
2459 if (previous_nt_hash == NULL) {
2460 return false;
2461 }
2462
2463 E_md4hash(prev_pw, previous_nt_hash->hash);
2464 SAFE_FREE(prev_pw);
2465
2466 *_previous_nt_hash = previous_nt_hash;
2467 return true;
2468 } else if (is_dc_trusted_domain_situation(domain)) {
2469 return false;
2470 }
2471
2472 /* as a fallback, try to get the hashed pwd directly from the tdb... */
2473
2474 if (secrets_fetch_trust_account_password_legacy(domain,
2475 current_nt_hash->hash,
2476 last_set_time,
2477 channel))
2478 {
2479 if (account_name != NULL) {
2480 *account_name = lp_netbios_name();
2481 }
2482
2483 return true;
2484 }
2485
2486 DEBUG(5, ("get_trust_pw_hash: could not fetch trust account "
2487 "password for domain %s\n", domain));
2488 return False;
2489 }
2490
2491 bool get_trust_pw_hash(const char *domain, uint8_t ret_pwd[16],
2492 const char **account_name,
2493 enum netr_SchannelType *channel)
2494 {
2495 struct samr_Password current_nt_hash;
2496 bool ok;
2497
2498 ok = get_trust_pw_hash2(domain, account_name, channel,
2499 &current_nt_hash, NULL, NULL);
2500 if (!ok) {
2501 return false;
2502 }
2503
2504 memcpy(ret_pwd, current_nt_hash.hash, sizeof(current_nt_hash.hash));
2505 return true;
2506 }
2507
2508 NTSTATUS pdb_get_trust_credentials(const char *netbios_domain,
2509 const char *dns_domain, /* optional */
2510 TALLOC_CTX *mem_ctx,
2511 struct cli_credentials **_creds)
2512 {
2513 TALLOC_CTX *frame = talloc_stackframe();
2514 NTSTATUS status = NT_STATUS_INTERNAL_ERROR;
2515 struct loadparm_context *lp_ctx;
2516 enum netr_SchannelType channel;
2517 time_t last_set_time;
2518 const char *_account_name;
2519 const char *account_name;
2520 char *cur_pw = NULL;
2521 char *prev_pw = NULL;
2522 struct samr_Password cur_nt_hash;
2523 struct cli_credentials *creds = NULL;
2524 bool ok;
2525
2526 lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
2527 if (lp_ctx == NULL) {
2528 DEBUG(1, ("loadparm_init_s3 failed\n"));
2529 status = NT_STATUS_INTERNAL_ERROR;
2530 goto fail;
2531 }
2532
2533 creds = cli_credentials_init(mem_ctx);
2534 if (creds == NULL) {
2535 status = NT_STATUS_NO_MEMORY;
2536 goto fail;
2537 }
2538
2539 cli_credentials_set_conf(creds, lp_ctx);
2540
2541 ok = cli_credentials_set_domain(creds, netbios_domain, CRED_SPECIFIED);
2542 if (!ok) {
2543 status = NT_STATUS_NO_MEMORY;
2544 goto fail;
2545 }
2546
2547 /*
2548 * If this is our primary trust relationship, use the common
2549 * code to read the secrets.ldb or secrets.tdb file.
2550 */
2551 if (strequal(netbios_domain, lp_workgroup())) {
2552 struct db_context *db_ctx = secrets_db_ctx();
2553 if (db_ctx == NULL) {
2554 DEBUG(1, ("failed to open secrets.tdb to obtain our trust credentials for %s\n",
2555 netbios_domain));
2556 status = NT_STATUS_INTERNAL_ERROR;
2557 goto fail;
2558 }
2559
2560 status = cli_credentials_set_machine_account_db_ctx(creds,
2561 lp_ctx,
2562 db_ctx);
2563 if (!NT_STATUS_IS_OK(status)) {
2564 goto fail;
2565 }
2566 goto done;
2567 } else if (!IS_DC) {
2568 DEBUG(1, ("Refusing to get trust account info for %s, "
2569 "which is not our primary domain %s, "
2570 "as we are not a DC\n",
2571 netbios_domain, lp_workgroup()));
2572 status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
2573 goto fail;
2574 }
2575
2576 ok = get_trust_pw_clear2(netbios_domain,
2577 &_account_name,
2578 &channel,
2579 &cur_pw,
2580 &last_set_time,
2581 &prev_pw);
2582 if (!ok) {
2583 ok = get_trust_pw_hash2(netbios_domain,
2584 &_account_name,
2585 &channel,
2586 &cur_nt_hash,
2587 &last_set_time,
2588 NULL);
2589 if (!ok) {
2590 DEBUG(1, ("get_trust_pw_*2 failed for domain[%s]\n",
2591 netbios_domain));
2592 status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
2593 goto fail;
2594 }
2595 }
2596
2597 account_name = talloc_asprintf(frame, "%s$", _account_name);
2598 if (account_name == NULL) {
2599 status = NT_STATUS_NO_MEMORY;
2600 goto fail;
2601 }
2602
2603 cli_credentials_set_secure_channel_type(creds, channel);
2604 cli_credentials_set_password_last_changed_time(creds, last_set_time);
2605
2606 ok = cli_credentials_set_domain(creds, netbios_domain, CRED_SPECIFIED);
2607 if (!ok) {
2608 status = NT_STATUS_NO_MEMORY;
2609 goto fail;
2610 }
2611
2612 if (dns_domain != NULL) {
2613 ok = cli_credentials_set_realm(creds, dns_domain, CRED_SPECIFIED);
2614 if (!ok) {
2615 status = NT_STATUS_NO_MEMORY;
2616 goto fail;
2617 }
2618 }
2619
2620 ok = cli_credentials_set_username(creds, account_name, CRED_SPECIFIED);
2621 if (!ok) {
2622 status = NT_STATUS_NO_MEMORY;
2623 goto fail;
2624 }
2625
2626 if (cur_pw == NULL) {
2627 ok = cli_credentials_set_nt_hash(creds, &cur_nt_hash, CRED_SPECIFIED);
2628 if (!ok) {
2629 status = NT_STATUS_NO_MEMORY;
2630 goto fail;
2631 }
2632 goto done;
2633 }
2634
2635 ok = cli_credentials_set_password(creds, cur_pw, CRED_SPECIFIED);
2636 if (!ok) {
2637 status = NT_STATUS_NO_MEMORY;
2638 goto fail;
2639 }
2640
2641 if (prev_pw != NULL) {
2642 ok = cli_credentials_set_old_password(creds, prev_pw, CRED_SPECIFIED);
2643 if (!ok) {
2644 status = NT_STATUS_NO_MEMORY;
2645 goto fail;
2646 }
2647 }
2648
2649 done:
2650 *_creds = creds;
2651 creds = NULL;
2652 status = NT_STATUS_OK;
2653 fail:
2654 TALLOC_FREE(creds);
2655 SAFE_FREE(cur_pw);
2656 SAFE_FREE(prev_pw);
2657 TALLOC_FREE(frame);
2658 return status;
2659 }
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