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s3-passdb: add smb_create_user().
[Samba/gbeck.git] / source3 / passdb / passdb.c
blobfd715d201f91d7f655a18bac8bc296153cea3199
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
27 #undef DBGC_CLASS
28 #define DBGC_CLASS DBGC_PASSDB
29
30 /******************************************************************
31 Get the default domain/netbios name to be used when
32 testing authentication.
33
34 LEGACY: this function provides the legacy domain mapping used with
35 the lp_map_untrusted_to_domain() parameter
36 ******************************************************************/
37
38 const char *my_sam_name(void)
39 {
40 /* Standalone servers can only use the local netbios name */
41 if ( lp_server_role() == ROLE_STANDALONE )
42 return global_myname();
43
44 /* Default to the DOMAIN name when not specified */
45 return lp_workgroup();
46 }
47
48 /**********************************************************************
49 ***********************************************************************/
50
51 static int samu_destroy(struct samu *user)
52 {
53 data_blob_clear_free( &user->lm_pw );
54 data_blob_clear_free( &user->nt_pw );
55
56 if ( user->plaintext_pw )
57 memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) );
58
59 return 0;
60 }
61
62 /**********************************************************************
63 generate a new struct samuser
64 ***********************************************************************/
65
66 struct samu *samu_new( TALLOC_CTX *ctx )
67 {
68 struct samu *user;
69
70 if ( !(user = TALLOC_ZERO_P( ctx, struct samu )) ) {
71 DEBUG(0,("samuser_new: Talloc failed!\n"));
72 return NULL;
73 }
74
75 talloc_set_destructor( user, samu_destroy );
76
77 /* no initial methods */
78
79 user->methods = NULL;
80
81 /* Don't change these timestamp settings without a good reason.
82 They are important for NT member server compatibility. */
83
84 user->logon_time = (time_t)0;
85 user->pass_last_set_time = (time_t)0;
86 user->pass_can_change_time = (time_t)0;
87 user->logoff_time = get_time_t_max();
88 user->kickoff_time = get_time_t_max();
89 user->pass_must_change_time = get_time_t_max();
90 user->fields_present = 0x00ffffff;
91 user->logon_divs = 168; /* hours per week */
92 user->hours_len = 21; /* 21 times 8 bits = 168 */
93 memset(user->hours, 0xff, user->hours_len); /* available at all hours */
94 user->bad_password_count = 0;
95 user->logon_count = 0;
96 user->unknown_6 = 0x000004ec; /* don't know */
97
98 /* Some parts of samba strlen their pdb_get...() returns,
99 so this keeps the interface unchanged for now. */
100
101 user->username = "";
102 user->domain = "";
103 user->nt_username = "";
104 user->full_name = "";
105 user->home_dir = "";
106 user->logon_script = "";
107 user->profile_path = "";
108 user->acct_desc = "";
109 user->workstations = "";
110 user->comment = "";
111 user->munged_dial = "";
112
113 user->plaintext_pw = NULL;
114
115 /* Unless we know otherwise have a Account Control Bit
116 value of 'normal user'. This helps User Manager, which
117 asks for a filtered list of users. */
118
119 user->acct_ctrl = ACB_NORMAL;
120
121 return user;
122 }
123
124 /*********************************************************************
125 Initialize a struct samu from a struct passwd including the user
126 and group SIDs. The *user structure is filled out with the Unix
127 attributes and a user SID.
128 *********************************************************************/
129
130 static NTSTATUS samu_set_unix_internal(struct samu *user, const struct passwd *pwd, bool create)
131 {
132 const char *guest_account = lp_guestaccount();
133 const char *domain = global_myname();
134 uint32 urid;
135
136 if ( !pwd ) {
137 return NT_STATUS_NO_SUCH_USER;
138 }
139
140 /* Basic properties based upon the Unix account information */
141
142 pdb_set_username(user, pwd->pw_name, PDB_SET);
143 pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
144 pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
145 #if 0
146 /* This can lead to a primary group of S-1-22-2-XX which
147 will be rejected by other parts of the Samba code.
148 Rely on pdb_get_group_sid() to "Do The Right Thing" (TM)
149 --jerry */
150
151 gid_to_sid(&group_sid, pwd->pw_gid);
152 pdb_set_group_sid(user, &group_sid, PDB_SET);
153 #endif
154
155 /* save the password structure for later use */
156
157 user->unix_pw = tcopy_passwd( user, pwd );
158
159 /* Special case for the guest account which must have a RID of 501 */
160
161 if ( strequal( pwd->pw_name, guest_account ) ) {
162 if ( !pdb_set_user_sid_from_rid(user, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
163 return NT_STATUS_NO_SUCH_USER;
164 }
165 return NT_STATUS_OK;
166 }
167
168 /* Non-guest accounts...Check for a workstation or user account */
169
170 if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
171 /* workstation */
172
173 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
174 DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
175 pwd->pw_name));
176 return NT_STATUS_INVALID_COMPUTER_NAME;
177 }
178 }
179 else {
180 /* user */
181
182 if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
183 DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
184 pwd->pw_name));
185 return NT_STATUS_INVALID_ACCOUNT_NAME;
186 }
187
188 /* set some basic attributes */
189
190 pdb_set_profile_path(user, talloc_sub_specified(user,
191 lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
192 PDB_DEFAULT);
193 pdb_set_homedir(user, talloc_sub_specified(user,
194 lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
195 PDB_DEFAULT);
196 pdb_set_dir_drive(user, talloc_sub_specified(user,
197 lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
198 PDB_DEFAULT);
199 pdb_set_logon_script(user, talloc_sub_specified(user,
200 lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
201 PDB_DEFAULT);
202 }
203
204 /* Now deal with the user SID. If we have a backend that can generate
205 RIDs, then do so. But sometimes the caller just wanted a structure
206 initialized and will fill in these fields later (such as from a
207 netr_SamInfo3 structure) */
208
209 if ( create && !pdb_rid_algorithm() ) {
210 uint32 user_rid;
211 DOM_SID user_sid;
212
213 if ( !pdb_new_rid( &user_rid ) ) {
214 DEBUG(3, ("Could not allocate a new RID\n"));
215 return NT_STATUS_ACCESS_DENIED;
216 }
217
218 sid_copy( &user_sid, get_global_sam_sid() );
219 sid_append_rid( &user_sid, user_rid );
220
221 if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
222 DEBUG(3, ("pdb_set_user_sid failed\n"));
223 return NT_STATUS_INTERNAL_ERROR;
224 }
225
226 return NT_STATUS_OK;
227 }
228
229 /* generate a SID for the user with the RID algorithm */
230
231 urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
232
233 if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
234 return NT_STATUS_INTERNAL_ERROR;
235 }
236
237 return NT_STATUS_OK;
238 }
239
240 /********************************************************************
241 Set the Unix user attributes
242 ********************************************************************/
243
244 NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
245 {
246 return samu_set_unix_internal( user, pwd, False );
247 }
248
249 NTSTATUS samu_alloc_rid_unix(struct samu *user, const struct passwd *pwd)
250 {
251 return samu_set_unix_internal( user, pwd, True );
252 }
253
254 /**********************************************************
255 Encode the account control bits into a string.
256 length = length of string to encode into (including terminating
257 null). length *MUST BE MORE THAN 2* !
258 **********************************************************/
259
260 char *pdb_encode_acct_ctrl(uint32_t acct_ctrl, size_t length)
261 {
262 fstring acct_str;
263 char *result;
264
265 size_t i = 0;
266
267 SMB_ASSERT(length <= sizeof(acct_str));
268
269 acct_str[i++] = '[';
270
271 if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
272 if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
273 if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
274 if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
275 if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
276 if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
277 if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
278 if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
279 if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
280 if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
281 if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
282
283 for ( ; i < length - 2 ; i++ )
284 acct_str[i] = ' ';
285
286 i = length - 2;
287 acct_str[i++] = ']';
288 acct_str[i++] = '\0';
289
290 result = talloc_strdup(talloc_tos(), acct_str);
291 SMB_ASSERT(result != NULL);
292 return result;
293 }
294
295 /**********************************************************
296 Decode the account control bits from a string.
297 **********************************************************/
298
299 uint32_t pdb_decode_acct_ctrl(const char *p)
300 {
301 uint32_t acct_ctrl = 0;
302 bool finished = false;
303
304 /*
305 * Check if the account type bits have been encoded after the
306 * NT password (in the form [NDHTUWSLXI]).
307 */
308
309 if (*p != '[')
310 return 0;
311
312 for (p++; *p && !finished; p++) {
313 switch (*p) {
314 case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
315 case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
316 case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
317 case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
318 case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
319 case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
320 case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
321 case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
322 case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
323 case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
324 case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
325 case ' ': { break; }
326 case ':':
327 case '\n':
328 case '\0':
329 case ']':
330 default: { finished = true; }
331 }
332 }
333
334 return acct_ctrl;
335 }
336
337 /*************************************************************
338 Routine to set 32 hex password characters from a 16 byte array.
339 **************************************************************/
340
341 void pdb_sethexpwd(char p[33], const unsigned char *pwd, uint32 acct_ctrl)
342 {
343 if (pwd != NULL) {
344 int i;
345 for (i = 0; i < 16; i++)
346 slprintf(&p[i*2], 3, "%02X", pwd[i]);
347 } else {
348 if (acct_ctrl & ACB_PWNOTREQ)
349 safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 32);
350 else
351 safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 32);
352 }
353 }
354
355 /*************************************************************
356 Routine to get the 32 hex characters and turn them
357 into a 16 byte array.
358 **************************************************************/
359
360 bool pdb_gethexpwd(const char *p, unsigned char *pwd)
361 {
362 int i;
363 unsigned char lonybble, hinybble;
364 const char *hexchars = "0123456789ABCDEF";
365 char *p1, *p2;
366
367 if (!p)
368 return false;
369
370 for (i = 0; i < 32; i += 2) {
371 hinybble = toupper_ascii(p[i]);
372 lonybble = toupper_ascii(p[i + 1]);
373
374 p1 = strchr(hexchars, hinybble);
375 p2 = strchr(hexchars, lonybble);
376
377 if (!p1 || !p2)
378 return false;
379
380 hinybble = PTR_DIFF(p1, hexchars);
381 lonybble = PTR_DIFF(p2, hexchars);
382
383 pwd[i / 2] = (hinybble << 4) | lonybble;
384 }
385 return true;
386 }
387
388 /*************************************************************
389 Routine to set 42 hex hours characters from a 21 byte array.
390 **************************************************************/
391
392 void pdb_sethexhours(char *p, const unsigned char *hours)
393 {
394 if (hours != NULL) {
395 int i;
396 for (i = 0; i < 21; i++) {
397 slprintf(&p[i*2], 3, "%02X", hours[i]);
398 }
399 } else {
400 safe_strcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 43);
401 }
402 }
403
404 /*************************************************************
405 Routine to get the 42 hex characters and turn them
406 into a 21 byte array.
407 **************************************************************/
408
409 bool pdb_gethexhours(const char *p, unsigned char *hours)
410 {
411 int i;
412 unsigned char lonybble, hinybble;
413 const char *hexchars = "0123456789ABCDEF";
414 char *p1, *p2;
415
416 if (!p) {
417 return (False);
418 }
419
420 for (i = 0; i < 42; i += 2) {
421 hinybble = toupper_ascii(p[i]);
422 lonybble = toupper_ascii(p[i + 1]);
423
424 p1 = strchr(hexchars, hinybble);
425 p2 = strchr(hexchars, lonybble);
426
427 if (!p1 || !p2) {
428 return (False);
429 }
430
431 hinybble = PTR_DIFF(p1, hexchars);
432 lonybble = PTR_DIFF(p2, hexchars);
433
434 hours[i / 2] = (hinybble << 4) | lonybble;
435 }
436 return (True);
437 }
438
439 /********************************************************************
440 ********************************************************************/
441
442 int algorithmic_rid_base(void)
443 {
444 int rid_offset;
445
446 rid_offset = lp_algorithmic_rid_base();
447
448 if (rid_offset < BASE_RID) {
449 /* Try to prevent admin foot-shooting, we can't put algorithmic
450 rids below 1000, that's the 'well known RIDs' on NT */
451 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
452 rid_offset = BASE_RID;
453 }
454 if (rid_offset & 1) {
455 DEBUG(0, ("algorithmic rid base must be even\n"));
456 rid_offset += 1;
457 }
458 return rid_offset;
459 }
460
461 /*******************************************************************
462 Converts NT user RID to a UNIX uid.
463 ********************************************************************/
464
465 uid_t algorithmic_pdb_user_rid_to_uid(uint32 user_rid)
466 {
467 int rid_offset = algorithmic_rid_base();
468 return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
469 }
470
471 uid_t max_algorithmic_uid(void)
472 {
473 return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
474 }
475
476 /*******************************************************************
477 converts UNIX uid to an NT User RID.
478 ********************************************************************/
479
480 uint32 algorithmic_pdb_uid_to_user_rid(uid_t uid)
481 {
482 int rid_offset = algorithmic_rid_base();
483 return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
484 }
485
486 /*******************************************************************
487 Converts NT group RID to a UNIX gid.
488 ********************************************************************/
489
490 gid_t pdb_group_rid_to_gid(uint32 group_rid)
491 {
492 int rid_offset = algorithmic_rid_base();
493 return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
494 }
495
496 gid_t max_algorithmic_gid(void)
497 {
498 return pdb_group_rid_to_gid(0xffffffff);
499 }
500
501 /*******************************************************************
502 converts NT Group RID to a UNIX uid.
503
504 warning: you must not call that function only
505 you must do a call to the group mapping first.
506 there is not anymore a direct link between the gid and the rid.
507 ********************************************************************/
508
509 uint32 algorithmic_pdb_gid_to_group_rid(gid_t gid)
510 {
511 int rid_offset = algorithmic_rid_base();
512 return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
513 }
514
515 /*******************************************************************
516 Decides if a RID is a well known RID.
517 ********************************************************************/
518
519 static bool rid_is_well_known(uint32 rid)
520 {
521 /* Not using rid_offset here, because this is the actual
522 NT fixed value (1000) */
523
524 return (rid < BASE_RID);
525 }
526
527 /*******************************************************************
528 Decides if a RID is a user or group RID.
529 ********************************************************************/
530
531 bool algorithmic_pdb_rid_is_user(uint32 rid)
532 {
533 if ( rid_is_well_known(rid) ) {
534 /*
535 * The only well known user RIDs are DOMAIN_USER_RID_ADMIN
536 * and DOMAIN_USER_RID_GUEST.
537 */
538 if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
539 return True;
540 } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
541 return True;
542 }
543 return False;
544 }
545
546 /*******************************************************************
547 Convert a name into a SID. Used in the lookup name rpc.
548 ********************************************************************/
549
550 bool lookup_global_sam_name(const char *name, int flags, uint32_t *rid,
551 enum lsa_SidType *type)
552 {
553 GROUP_MAP map;
554 bool ret;
555
556 /* Windows treats "MACHINE\None" as a special name for
557 rid 513 on non-DCs. You cannot create a user or group
558 name "None" on Windows. You will get an error that
559 the group already exists. */
560
561 if ( strequal( name, "None" ) ) {
562 *rid = DOMAIN_GROUP_RID_USERS;
563 *type = SID_NAME_DOM_GRP;
564
565 return True;
566 }
567
568 /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
569 * correctly in the case where foo also exists as a user. If the flag
570 * is set, don't look for users at all. */
571
572 if ((flags & LOOKUP_NAME_GROUP) == 0) {
573 struct samu *sam_account = NULL;
574 DOM_SID user_sid;
575
576 if ( !(sam_account = samu_new( NULL )) ) {
577 return False;
578 }
579
580 become_root();
581 ret = pdb_getsampwnam(sam_account, name);
582 unbecome_root();
583
584 if (ret) {
585 sid_copy(&user_sid, pdb_get_user_sid(sam_account));
586 }
587
588 TALLOC_FREE(sam_account);
589
590 if (ret) {
591 if (!sid_check_is_in_our_domain(&user_sid)) {
592 DEBUG(0, ("User %s with invalid SID %s in passdb\n",
593 name, sid_string_dbg(&user_sid)));
594 return False;
595 }
596
597 sid_peek_rid(&user_sid, rid);
598 *type = SID_NAME_USER;
599 return True;
600 }
601 }
602
603 /*
604 * Maybe it is a group ?
605 */
606
607 become_root();
608 ret = pdb_getgrnam(&map, name);
609 unbecome_root();
610
611 if (!ret) {
612 return False;
613 }
614
615 /* BUILTIN groups are looked up elsewhere */
616 if (!sid_check_is_in_our_domain(&map.sid)) {
617 DEBUG(10, ("Found group %s (%s) not in our domain -- "
618 "ignoring.", name, sid_string_dbg(&map.sid)));
619 return False;
620 }
621
622 /* yes it's a mapped group */
623 sid_peek_rid(&map.sid, rid);
624 *type = map.sid_name_use;
625 return True;
626 }
627
628 /*************************************************************
629 Change a password entry in the local smbpasswd file.
630 *************************************************************/
631
632 NTSTATUS local_password_change(const char *user_name,
633 int local_flags,
634 const char *new_passwd,
635 char **pp_err_str,
636 char **pp_msg_str)
637 {
638 struct samu *sam_pass=NULL;
639 uint32 other_acb;
640 NTSTATUS result;
641
642 *pp_err_str = NULL;
643 *pp_msg_str = NULL;
644
645 /* Get the smb passwd entry for this user */
646
647 if ( !(sam_pass = samu_new( NULL )) ) {
648 return NT_STATUS_NO_MEMORY;
649 }
650
651 become_root();
652 if(!pdb_getsampwnam(sam_pass, user_name)) {
653 unbecome_root();
654 TALLOC_FREE(sam_pass);
655
656 if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) {
657 int tmp_debug = DEBUGLEVEL;
658 struct passwd *pwd;
659
660 /* Might not exist in /etc/passwd. */
661
662 if (tmp_debug < 1) {
663 DEBUGLEVEL = 1;
664 }
665
666 if ( !(pwd = getpwnam_alloc(talloc_autofree_context(), user_name)) ) {
667 return NT_STATUS_NO_SUCH_USER;
668 }
669
670 /* create the struct samu and initialize the basic Unix properties */
671
672 if ( !(sam_pass = samu_new( NULL )) ) {
673 return NT_STATUS_NO_MEMORY;
674 }
675
676 result = samu_set_unix( sam_pass, pwd );
677
678 DEBUGLEVEL = tmp_debug;
679
680 TALLOC_FREE( pwd );
681
682 if (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PRIMARY_GROUP)) {
683 return result;
684 }
685
686 if (!NT_STATUS_IS_OK(result)) {
687 if (asprintf(pp_err_str, "Failed to " "initialize account for user %s: %s\n",
688 user_name, nt_errstr(result)) < 0) {
689 *pp_err_str = NULL;
690 }
691 return result;
692 }
693 } else {
694 if (asprintf(pp_err_str, "Failed to find entry for user %s.\n", user_name) < 0) {
695 *pp_err_str = NULL;
696 }
697 return NT_STATUS_NO_SUCH_USER;
698 }
699 } else {
700 unbecome_root();
701 /* the entry already existed */
702 local_flags &= ~LOCAL_ADD_USER;
703 }
704
705 /* the 'other' acb bits not being changed here */
706 other_acb = (pdb_get_acct_ctrl(sam_pass) & (~(ACB_WSTRUST|ACB_DOMTRUST|ACB_SVRTRUST|ACB_NORMAL)));
707 if (local_flags & LOCAL_TRUST_ACCOUNT) {
708 if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST | other_acb, PDB_CHANGED) ) {
709 if (asprintf(pp_err_str, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name) < 0) {
710 *pp_err_str = NULL;
711 }
712 TALLOC_FREE(sam_pass);
713 return NT_STATUS_UNSUCCESSFUL;
714 }
715 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
716 if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) {
717 if (asprintf(pp_err_str, "Failed to set 'domain trust account' flags for user %s.\n", user_name) < 0) {
718 *pp_err_str = NULL;
719 }
720 TALLOC_FREE(sam_pass);
721 return NT_STATUS_UNSUCCESSFUL;
722 }
723 } else {
724 if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) {
725 if (asprintf(pp_err_str, "Failed to set 'normal account' flags for user %s.\n", user_name) < 0) {
726 *pp_err_str = NULL;
727 }
728 TALLOC_FREE(sam_pass);
729 return NT_STATUS_UNSUCCESSFUL;
730 }
731 }
732
733 /*
734 * We are root - just write the new password
735 * and the valid last change time.
736 */
737
738 if (local_flags & LOCAL_DISABLE_USER) {
739 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) {
740 if (asprintf(pp_err_str, "Failed to set 'disabled' flag for user %s.\n", user_name) < 0) {
741 *pp_err_str = NULL;
742 }
743 TALLOC_FREE(sam_pass);
744 return NT_STATUS_UNSUCCESSFUL;
745 }
746 } else if (local_flags & LOCAL_ENABLE_USER) {
747 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
748 if (asprintf(pp_err_str, "Failed to unset 'disabled' flag for user %s.\n", user_name) < 0) {
749 *pp_err_str = NULL;
750 }
751 TALLOC_FREE(sam_pass);
752 return NT_STATUS_UNSUCCESSFUL;
753 }
754 }
755
756 if (local_flags & LOCAL_SET_NO_PASSWORD) {
757 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) {
758 if (asprintf(pp_err_str, "Failed to set 'no password required' flag for user %s.\n", user_name) < 0) {
759 *pp_err_str = NULL;
760 }
761 TALLOC_FREE(sam_pass);
762 return NT_STATUS_UNSUCCESSFUL;
763 }
764 } else if (local_flags & LOCAL_SET_PASSWORD) {
765 /*
766 * If we're dealing with setting a completely empty user account
767 * ie. One with a password of 'XXXX', but not set disabled (like
768 * an account created from scratch) then if the old password was
769 * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
770 * We remove that as we're giving this user their first password
771 * and the decision hasn't really been made to disable them (ie.
772 * don't create them disabled). JRA.
773 */
774 if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
775 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
776 if (asprintf(pp_err_str, "Failed to unset 'disabled' flag for user %s.\n", user_name) < 0) {
777 *pp_err_str = NULL;
778 }
779 TALLOC_FREE(sam_pass);
780 return NT_STATUS_UNSUCCESSFUL;
781 }
782 }
783 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
784 if (asprintf(pp_err_str, "Failed to unset 'no password required' flag for user %s.\n", user_name) < 0) {
785 *pp_err_str = NULL;
786 }
787 TALLOC_FREE(sam_pass);
788 return NT_STATUS_UNSUCCESSFUL;
789 }
790
791 if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
792 if (asprintf(pp_err_str, "Failed to set password for user %s.\n", user_name) < 0) {
793 *pp_err_str = NULL;
794 }
795 TALLOC_FREE(sam_pass);
796 return NT_STATUS_UNSUCCESSFUL;
797 }
798 }
799
800 if (local_flags & LOCAL_ADD_USER) {
801 if (NT_STATUS_IS_OK(pdb_add_sam_account(sam_pass))) {
802 if (asprintf(pp_msg_str, "Added user %s.\n", user_name) < 0) {
803 *pp_msg_str = NULL;
804 }
805 TALLOC_FREE(sam_pass);
806 return NT_STATUS_OK;
807 } else {
808 if (asprintf(pp_err_str, "Failed to add entry for user %s.\n", user_name) < 0) {
809 *pp_err_str = NULL;
810 }
811 TALLOC_FREE(sam_pass);
812 return NT_STATUS_UNSUCCESSFUL;
813 }
814 } else if (local_flags & LOCAL_DELETE_USER) {
815 if (!NT_STATUS_IS_OK(pdb_delete_sam_account(sam_pass))) {
816 if (asprintf(pp_err_str, "Failed to delete entry for user %s.\n", user_name) < 0) {
817 *pp_err_str = NULL;
818 }
819 TALLOC_FREE(sam_pass);
820 return NT_STATUS_UNSUCCESSFUL;
821 }
822 if (asprintf(pp_msg_str, "Deleted user %s.\n", user_name) < 0) {
823 *pp_msg_str = NULL;
824 }
825 } else {
826 result = pdb_update_sam_account(sam_pass);
827 if(!NT_STATUS_IS_OK(result)) {
828 if (asprintf(pp_err_str, "Failed to modify entry for user %s.\n", user_name) < 0) {
829 *pp_err_str = NULL;
830 }
831 TALLOC_FREE(sam_pass);
832 return result;
833 }
834 if(local_flags & LOCAL_DISABLE_USER) {
835 if (asprintf(pp_msg_str, "Disabled user %s.\n", user_name) < 0) {
836 *pp_msg_str = NULL;
837 }
838 } else if (local_flags & LOCAL_ENABLE_USER) {
839 if (asprintf(pp_msg_str, "Enabled user %s.\n", user_name) < 0) {
840 *pp_msg_str = NULL;
841 }
842 } else if (local_flags & LOCAL_SET_NO_PASSWORD) {
843 if (asprintf(pp_msg_str, "User %s password set to none.\n", user_name) < 0) {
844 *pp_msg_str = NULL;
845 }
846 }
847 }
848
849 TALLOC_FREE(sam_pass);
850 return NT_STATUS_OK;
851 }
852
853 /**********************************************************************
854 Marshall/unmarshall struct samu structs.
855 *********************************************************************/
856
857 #define SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
858 #define SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
859 #define SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
860 #define SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
861 /* nothing changed between V3 and V4 */
862
863 /*********************************************************************
864 *********************************************************************/
865
866 static bool init_samu_from_buffer_v0(struct samu *sampass, uint8 *buf, uint32 buflen)
867 {
868
869 /* times are stored as 32bit integer
870 take care on system with 64bit wide time_t
871 --SSS */
872 uint32 logon_time,
873 logoff_time,
874 kickoff_time,
875 pass_last_set_time,
876 pass_can_change_time,
877 pass_must_change_time;
878 char *username = NULL;
879 char *domain = NULL;
880 char *nt_username = NULL;
881 char *dir_drive = NULL;
882 char *unknown_str = NULL;
883 char *munged_dial = NULL;
884 char *fullname = NULL;
885 char *homedir = NULL;
886 char *logon_script = NULL;
887 char *profile_path = NULL;
888 char *acct_desc = NULL;
889 char *workstations = NULL;
890 uint32 username_len, domain_len, nt_username_len,
891 dir_drive_len, unknown_str_len, munged_dial_len,
892 fullname_len, homedir_len, logon_script_len,
893 profile_path_len, acct_desc_len, workstations_len;
894
895 uint32 user_rid, group_rid, remove_me, hours_len, unknown_6;
896 uint16 acct_ctrl, logon_divs;
897 uint16 bad_password_count, logon_count;
898 uint8 *hours = NULL;
899 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
900 uint32 len = 0;
901 uint32 lm_pw_len, nt_pw_len, hourslen;
902 bool ret = True;
903
904 if(sampass == NULL || buf == NULL) {
905 DEBUG(0, ("init_samu_from_buffer_v0: NULL parameters found!\n"));
906 return False;
907 }
908
909 /* SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */
910
911 /* unpack the buffer into variables */
912 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V0,
913 &logon_time, /* d */
914 &logoff_time, /* d */
915 &kickoff_time, /* d */
916 &pass_last_set_time, /* d */
917 &pass_can_change_time, /* d */
918 &pass_must_change_time, /* d */
919 &username_len, &username, /* B */
920 &domain_len, &domain, /* B */
921 &nt_username_len, &nt_username, /* B */
922 &fullname_len, &fullname, /* B */
923 &homedir_len, &homedir, /* B */
924 &dir_drive_len, &dir_drive, /* B */
925 &logon_script_len, &logon_script, /* B */
926 &profile_path_len, &profile_path, /* B */
927 &acct_desc_len, &acct_desc, /* B */
928 &workstations_len, &workstations, /* B */
929 &unknown_str_len, &unknown_str, /* B */
930 &munged_dial_len, &munged_dial, /* B */
931 &user_rid, /* d */
932 &group_rid, /* d */
933 &lm_pw_len, &lm_pw_ptr, /* B */
934 &nt_pw_len, &nt_pw_ptr, /* B */
935 &acct_ctrl, /* w */
936 &remove_me, /* remove on the next TDB_FORMAT upgarde */ /* d */
937 &logon_divs, /* w */
938 &hours_len, /* d */
939 &hourslen, &hours, /* B */
940 &bad_password_count, /* w */
941 &logon_count, /* w */
942 &unknown_6); /* d */
943
944 if (len == (uint32) -1) {
945 ret = False;
946 goto done;
947 }
948
949 pdb_set_logon_time(sampass, logon_time, PDB_SET);
950 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
951 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
952 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
953 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
954 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
955
956 pdb_set_username(sampass, username, PDB_SET);
957 pdb_set_domain(sampass, domain, PDB_SET);
958 pdb_set_nt_username(sampass, nt_username, PDB_SET);
959 pdb_set_fullname(sampass, fullname, PDB_SET);
960
961 if (homedir) {
962 pdb_set_homedir(sampass, homedir, PDB_SET);
963 }
964 else {
965 pdb_set_homedir(sampass,
966 talloc_sub_basic(sampass, username, domain,
967 lp_logon_home()),
968 PDB_DEFAULT);
969 }
970
971 if (dir_drive)
972 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
973 else {
974 pdb_set_dir_drive(sampass,
975 talloc_sub_basic(sampass, username, domain,
976 lp_logon_drive()),
977 PDB_DEFAULT);
978 }
979
980 if (logon_script)
981 pdb_set_logon_script(sampass, logon_script, PDB_SET);
982 else {
983 pdb_set_logon_script(sampass,
984 talloc_sub_basic(sampass, username, domain,
985 lp_logon_script()),
986 PDB_DEFAULT);
987 }
988
989 if (profile_path) {
990 pdb_set_profile_path(sampass, profile_path, PDB_SET);
991 } else {
992 pdb_set_profile_path(sampass,
993 talloc_sub_basic(sampass, username, domain,
994 lp_logon_path()),
995 PDB_DEFAULT);
996 }
997
998 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
999 pdb_set_workstations(sampass, workstations, PDB_SET);
1000 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1001
1002 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1003 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1004 ret = False;
1005 goto done;
1006 }
1007 }
1008
1009 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1010 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1011 ret = False;
1012 goto done;
1013 }
1014 }
1015
1016 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1017 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1018 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1019 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1020 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1021 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1022 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1023 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1024 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1025 pdb_set_hours(sampass, hours, PDB_SET);
1026
1027 done:
1028
1029 SAFE_FREE(username);
1030 SAFE_FREE(domain);
1031 SAFE_FREE(nt_username);
1032 SAFE_FREE(fullname);
1033 SAFE_FREE(homedir);
1034 SAFE_FREE(dir_drive);
1035 SAFE_FREE(logon_script);
1036 SAFE_FREE(profile_path);
1037 SAFE_FREE(acct_desc);
1038 SAFE_FREE(workstations);
1039 SAFE_FREE(munged_dial);
1040 SAFE_FREE(unknown_str);
1041 SAFE_FREE(lm_pw_ptr);
1042 SAFE_FREE(nt_pw_ptr);
1043 SAFE_FREE(hours);
1044
1045 return ret;
1046 }
1047
1048 /*********************************************************************
1049 *********************************************************************/
1050
1051 static bool init_samu_from_buffer_v1(struct samu *sampass, uint8 *buf, uint32 buflen)
1052 {
1053
1054 /* times are stored as 32bit integer
1055 take care on system with 64bit wide time_t
1056 --SSS */
1057 uint32 logon_time,
1058 logoff_time,
1059 kickoff_time,
1060 bad_password_time,
1061 pass_last_set_time,
1062 pass_can_change_time,
1063 pass_must_change_time;
1064 char *username = NULL;
1065 char *domain = NULL;
1066 char *nt_username = NULL;
1067 char *dir_drive = NULL;
1068 char *unknown_str = NULL;
1069 char *munged_dial = NULL;
1070 char *fullname = NULL;
1071 char *homedir = NULL;
1072 char *logon_script = NULL;
1073 char *profile_path = NULL;
1074 char *acct_desc = NULL;
1075 char *workstations = NULL;
1076 uint32 username_len, domain_len, nt_username_len,
1077 dir_drive_len, unknown_str_len, munged_dial_len,
1078 fullname_len, homedir_len, logon_script_len,
1079 profile_path_len, acct_desc_len, workstations_len;
1080
1081 uint32 user_rid, group_rid, remove_me, hours_len, unknown_6;
1082 uint16 acct_ctrl, logon_divs;
1083 uint16 bad_password_count, logon_count;
1084 uint8 *hours = NULL;
1085 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
1086 uint32 len = 0;
1087 uint32 lm_pw_len, nt_pw_len, hourslen;
1088 bool ret = True;
1089
1090 if(sampass == NULL || buf == NULL) {
1091 DEBUG(0, ("init_samu_from_buffer_v1: NULL parameters found!\n"));
1092 return False;
1093 }
1094
1095 /* SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */
1096
1097 /* unpack the buffer into variables */
1098 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V1,
1099 &logon_time, /* d */
1100 &logoff_time, /* d */
1101 &kickoff_time, /* d */
1102 /* Change from V0 is addition of bad_password_time field. */
1103 &bad_password_time, /* d */
1104 &pass_last_set_time, /* d */
1105 &pass_can_change_time, /* d */
1106 &pass_must_change_time, /* d */
1107 &username_len, &username, /* B */
1108 &domain_len, &domain, /* B */
1109 &nt_username_len, &nt_username, /* B */
1110 &fullname_len, &fullname, /* B */
1111 &homedir_len, &homedir, /* B */
1112 &dir_drive_len, &dir_drive, /* B */
1113 &logon_script_len, &logon_script, /* B */
1114 &profile_path_len, &profile_path, /* B */
1115 &acct_desc_len, &acct_desc, /* B */
1116 &workstations_len, &workstations, /* B */
1117 &unknown_str_len, &unknown_str, /* B */
1118 &munged_dial_len, &munged_dial, /* B */
1119 &user_rid, /* d */
1120 &group_rid, /* d */
1121 &lm_pw_len, &lm_pw_ptr, /* B */
1122 &nt_pw_len, &nt_pw_ptr, /* B */
1123 &acct_ctrl, /* w */
1124 &remove_me, /* d */
1125 &logon_divs, /* w */
1126 &hours_len, /* d */
1127 &hourslen, &hours, /* B */
1128 &bad_password_count, /* w */
1129 &logon_count, /* w */
1130 &unknown_6); /* d */
1131
1132 if (len == (uint32) -1) {
1133 ret = False;
1134 goto done;
1135 }
1136
1137 pdb_set_logon_time(sampass, logon_time, PDB_SET);
1138 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1139 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1140
1141 /* Change from V0 is addition of bad_password_time field. */
1142 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1143 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1144 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
1145 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1146
1147 pdb_set_username(sampass, username, PDB_SET);
1148 pdb_set_domain(sampass, domain, PDB_SET);
1149 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1150 pdb_set_fullname(sampass, fullname, PDB_SET);
1151
1152 if (homedir) {
1153 pdb_set_homedir(sampass, homedir, PDB_SET);
1154 }
1155 else {
1156 pdb_set_homedir(sampass,
1157 talloc_sub_basic(sampass, username, domain,
1158 lp_logon_home()),
1159 PDB_DEFAULT);
1160 }
1161
1162 if (dir_drive)
1163 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1164 else {
1165 pdb_set_dir_drive(sampass,
1166 talloc_sub_basic(sampass, username, domain,
1167 lp_logon_drive()),
1168 PDB_DEFAULT);
1169 }
1170
1171 if (logon_script)
1172 pdb_set_logon_script(sampass, logon_script, PDB_SET);
1173 else {
1174 pdb_set_logon_script(sampass,
1175 talloc_sub_basic(sampass, username, domain,
1176 lp_logon_script()),
1177 PDB_DEFAULT);
1178 }
1179
1180 if (profile_path) {
1181 pdb_set_profile_path(sampass, profile_path, PDB_SET);
1182 } else {
1183 pdb_set_profile_path(sampass,
1184 talloc_sub_basic(sampass, username, domain,
1185 lp_logon_path()),
1186 PDB_DEFAULT);
1187 }
1188
1189 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1190 pdb_set_workstations(sampass, workstations, PDB_SET);
1191 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1192
1193 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1194 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1195 ret = False;
1196 goto done;
1197 }
1198 }
1199
1200 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1201 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1202 ret = False;
1203 goto done;
1204 }
1205 }
1206
1207 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1208
1209 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1210 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1211 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1212 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1213 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1214 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1215 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1216 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1217 pdb_set_hours(sampass, hours, PDB_SET);
1218
1219 done:
1220
1221 SAFE_FREE(username);
1222 SAFE_FREE(domain);
1223 SAFE_FREE(nt_username);
1224 SAFE_FREE(fullname);
1225 SAFE_FREE(homedir);
1226 SAFE_FREE(dir_drive);
1227 SAFE_FREE(logon_script);
1228 SAFE_FREE(profile_path);
1229 SAFE_FREE(acct_desc);
1230 SAFE_FREE(workstations);
1231 SAFE_FREE(munged_dial);
1232 SAFE_FREE(unknown_str);
1233 SAFE_FREE(lm_pw_ptr);
1234 SAFE_FREE(nt_pw_ptr);
1235 SAFE_FREE(hours);
1236
1237 return ret;
1238 }
1239
1240 static bool init_samu_from_buffer_v2(struct samu *sampass, uint8 *buf, uint32 buflen)
1241 {
1242
1243 /* times are stored as 32bit integer
1244 take care on system with 64bit wide time_t
1245 --SSS */
1246 uint32 logon_time,
1247 logoff_time,
1248 kickoff_time,
1249 bad_password_time,
1250 pass_last_set_time,
1251 pass_can_change_time,
1252 pass_must_change_time;
1253 char *username = NULL;
1254 char *domain = NULL;
1255 char *nt_username = NULL;
1256 char *dir_drive = NULL;
1257 char *unknown_str = NULL;
1258 char *munged_dial = NULL;
1259 char *fullname = NULL;
1260 char *homedir = NULL;
1261 char *logon_script = NULL;
1262 char *profile_path = NULL;
1263 char *acct_desc = NULL;
1264 char *workstations = NULL;
1265 uint32 username_len, domain_len, nt_username_len,
1266 dir_drive_len, unknown_str_len, munged_dial_len,
1267 fullname_len, homedir_len, logon_script_len,
1268 profile_path_len, acct_desc_len, workstations_len;
1269
1270 uint32 user_rid, group_rid, hours_len, unknown_6;
1271 uint16 acct_ctrl, logon_divs;
1272 uint16 bad_password_count, logon_count;
1273 uint8 *hours = NULL;
1274 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1275 uint32 len = 0;
1276 uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1277 uint32 pwHistLen = 0;
1278 bool ret = True;
1279 fstring tmp_string;
1280 bool expand_explicit = lp_passdb_expand_explicit();
1281
1282 if(sampass == NULL || buf == NULL) {
1283 DEBUG(0, ("init_samu_from_buffer_v2: NULL parameters found!\n"));
1284 return False;
1285 }
1286
1287 /* SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */
1288
1289 /* unpack the buffer into variables */
1290 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V2,
1291 &logon_time, /* d */
1292 &logoff_time, /* d */
1293 &kickoff_time, /* d */
1294 &bad_password_time, /* d */
1295 &pass_last_set_time, /* d */
1296 &pass_can_change_time, /* d */
1297 &pass_must_change_time, /* d */
1298 &username_len, &username, /* B */
1299 &domain_len, &domain, /* B */
1300 &nt_username_len, &nt_username, /* B */
1301 &fullname_len, &fullname, /* B */
1302 &homedir_len, &homedir, /* B */
1303 &dir_drive_len, &dir_drive, /* B */
1304 &logon_script_len, &logon_script, /* B */
1305 &profile_path_len, &profile_path, /* B */
1306 &acct_desc_len, &acct_desc, /* B */
1307 &workstations_len, &workstations, /* B */
1308 &unknown_str_len, &unknown_str, /* B */
1309 &munged_dial_len, &munged_dial, /* B */
1310 &user_rid, /* d */
1311 &group_rid, /* d */
1312 &lm_pw_len, &lm_pw_ptr, /* B */
1313 &nt_pw_len, &nt_pw_ptr, /* B */
1314 /* Change from V1 is addition of password history field. */
1315 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
1316 &acct_ctrl, /* w */
1317 /* Also "remove_me" field was removed. */
1318 &logon_divs, /* w */
1319 &hours_len, /* d */
1320 &hourslen, &hours, /* B */
1321 &bad_password_count, /* w */
1322 &logon_count, /* w */
1323 &unknown_6); /* d */
1324
1325 if (len == (uint32) -1) {
1326 ret = False;
1327 goto done;
1328 }
1329
1330 pdb_set_logon_time(sampass, logon_time, PDB_SET);
1331 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1332 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1333 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1334 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1335 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
1336 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1337
1338 pdb_set_username(sampass, username, PDB_SET);
1339 pdb_set_domain(sampass, domain, PDB_SET);
1340 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1341 pdb_set_fullname(sampass, fullname, PDB_SET);
1342
1343 if (homedir) {
1344 fstrcpy( tmp_string, homedir );
1345 if (expand_explicit) {
1346 standard_sub_basic( username, domain, tmp_string,
1347 sizeof(tmp_string) );
1348 }
1349 pdb_set_homedir(sampass, tmp_string, PDB_SET);
1350 }
1351 else {
1352 pdb_set_homedir(sampass,
1353 talloc_sub_basic(sampass, username, domain,
1354 lp_logon_home()),
1355 PDB_DEFAULT);
1356 }
1357
1358 if (dir_drive)
1359 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1360 else
1361 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1362
1363 if (logon_script) {
1364 fstrcpy( tmp_string, logon_script );
1365 if (expand_explicit) {
1366 standard_sub_basic( username, domain, tmp_string,
1367 sizeof(tmp_string) );
1368 }
1369 pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1370 }
1371 else {
1372 pdb_set_logon_script(sampass,
1373 talloc_sub_basic(sampass, username, domain,
1374 lp_logon_script()),
1375 PDB_DEFAULT);
1376 }
1377
1378 if (profile_path) {
1379 fstrcpy( tmp_string, profile_path );
1380 if (expand_explicit) {
1381 standard_sub_basic( username, domain, tmp_string,
1382 sizeof(tmp_string) );
1383 }
1384 pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1385 }
1386 else {
1387 pdb_set_profile_path(sampass,
1388 talloc_sub_basic(sampass, username, domain,
1389 lp_logon_path()),
1390 PDB_DEFAULT);
1391 }
1392
1393 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1394 pdb_set_workstations(sampass, workstations, PDB_SET);
1395 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1396
1397 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1398 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1399 ret = False;
1400 goto done;
1401 }
1402 }
1403
1404 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1405 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1406 ret = False;
1407 goto done;
1408 }
1409 }
1410
1411 /* Change from V1 is addition of password history field. */
1412 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1413 if (pwHistLen) {
1414 uint8 *pw_hist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN);
1415 if (!pw_hist) {
1416 ret = False;
1417 goto done;
1418 }
1419 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1420 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1421 int i;
1422 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1423 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1424 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1425 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1426 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1427 PW_HISTORY_ENTRY_LEN);
1428 }
1429 }
1430 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1431 SAFE_FREE(pw_hist);
1432 ret = False;
1433 goto done;
1434 }
1435 SAFE_FREE(pw_hist);
1436 } else {
1437 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1438 }
1439
1440 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1441 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1442 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1443 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1444 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1445 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1446 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1447 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1448 pdb_set_hours(sampass, hours, PDB_SET);
1449
1450 done:
1451
1452 SAFE_FREE(username);
1453 SAFE_FREE(domain);
1454 SAFE_FREE(nt_username);
1455 SAFE_FREE(fullname);
1456 SAFE_FREE(homedir);
1457 SAFE_FREE(dir_drive);
1458 SAFE_FREE(logon_script);
1459 SAFE_FREE(profile_path);
1460 SAFE_FREE(acct_desc);
1461 SAFE_FREE(workstations);
1462 SAFE_FREE(munged_dial);
1463 SAFE_FREE(unknown_str);
1464 SAFE_FREE(lm_pw_ptr);
1465 SAFE_FREE(nt_pw_ptr);
1466 SAFE_FREE(nt_pw_hist_ptr);
1467 SAFE_FREE(hours);
1468
1469 return ret;
1470 }
1471
1472 /*********************************************************************
1473 *********************************************************************/
1474
1475 static bool init_samu_from_buffer_v3(struct samu *sampass, uint8 *buf, uint32 buflen)
1476 {
1477
1478 /* times are stored as 32bit integer
1479 take care on system with 64bit wide time_t
1480 --SSS */
1481 uint32 logon_time,
1482 logoff_time,
1483 kickoff_time,
1484 bad_password_time,
1485 pass_last_set_time,
1486 pass_can_change_time,
1487 pass_must_change_time;
1488 char *username = NULL;
1489 char *domain = NULL;
1490 char *nt_username = NULL;
1491 char *dir_drive = NULL;
1492 char *unknown_str = NULL;
1493 char *munged_dial = NULL;
1494 char *fullname = NULL;
1495 char *homedir = NULL;
1496 char *logon_script = NULL;
1497 char *profile_path = NULL;
1498 char *acct_desc = NULL;
1499 char *workstations = NULL;
1500 uint32 username_len, domain_len, nt_username_len,
1501 dir_drive_len, unknown_str_len, munged_dial_len,
1502 fullname_len, homedir_len, logon_script_len,
1503 profile_path_len, acct_desc_len, workstations_len;
1504
1505 uint32 user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
1506 uint16 logon_divs;
1507 uint16 bad_password_count, logon_count;
1508 uint8 *hours = NULL;
1509 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1510 uint32 len = 0;
1511 uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1512 uint32 pwHistLen = 0;
1513 bool ret = True;
1514 fstring tmp_string;
1515 bool expand_explicit = lp_passdb_expand_explicit();
1516
1517 if(sampass == NULL || buf == NULL) {
1518 DEBUG(0, ("init_samu_from_buffer_v3: NULL parameters found!\n"));
1519 return False;
1520 }
1521
1522 /* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1523
1524 /* unpack the buffer into variables */
1525 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V3,
1526 &logon_time, /* d */
1527 &logoff_time, /* d */
1528 &kickoff_time, /* d */
1529 &bad_password_time, /* d */
1530 &pass_last_set_time, /* d */
1531 &pass_can_change_time, /* d */
1532 &pass_must_change_time, /* d */
1533 &username_len, &username, /* B */
1534 &domain_len, &domain, /* B */
1535 &nt_username_len, &nt_username, /* B */
1536 &fullname_len, &fullname, /* B */
1537 &homedir_len, &homedir, /* B */
1538 &dir_drive_len, &dir_drive, /* B */
1539 &logon_script_len, &logon_script, /* B */
1540 &profile_path_len, &profile_path, /* B */
1541 &acct_desc_len, &acct_desc, /* B */
1542 &workstations_len, &workstations, /* B */
1543 &unknown_str_len, &unknown_str, /* B */
1544 &munged_dial_len, &munged_dial, /* B */
1545 &user_rid, /* d */
1546 &group_rid, /* d */
1547 &lm_pw_len, &lm_pw_ptr, /* B */
1548 &nt_pw_len, &nt_pw_ptr, /* B */
1549 /* Change from V1 is addition of password history field. */
1550 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
1551 /* Change from V2 is the uint32 acb_mask */
1552 &acct_ctrl, /* d */
1553 /* Also "remove_me" field was removed. */
1554 &logon_divs, /* w */
1555 &hours_len, /* d */
1556 &hourslen, &hours, /* B */
1557 &bad_password_count, /* w */
1558 &logon_count, /* w */
1559 &unknown_6); /* d */
1560
1561 if (len == (uint32) -1) {
1562 ret = False;
1563 goto done;
1564 }
1565
1566 pdb_set_logon_time(sampass, convert_uint32_to_time_t(logon_time), PDB_SET);
1567 pdb_set_logoff_time(sampass, convert_uint32_to_time_t(logoff_time), PDB_SET);
1568 pdb_set_kickoff_time(sampass, convert_uint32_to_time_t(kickoff_time), PDB_SET);
1569 pdb_set_bad_password_time(sampass, convert_uint32_to_time_t(bad_password_time), PDB_SET);
1570 pdb_set_pass_can_change_time(sampass, convert_uint32_to_time_t(pass_can_change_time), PDB_SET);
1571 pdb_set_pass_must_change_time(sampass, convert_uint32_to_time_t(pass_must_change_time), PDB_SET);
1572 pdb_set_pass_last_set_time(sampass, convert_uint32_to_time_t(pass_last_set_time), PDB_SET);
1573
1574 pdb_set_username(sampass, username, PDB_SET);
1575 pdb_set_domain(sampass, domain, PDB_SET);
1576 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1577 pdb_set_fullname(sampass, fullname, PDB_SET);
1578
1579 if (homedir) {
1580 fstrcpy( tmp_string, homedir );
1581 if (expand_explicit) {
1582 standard_sub_basic( username, domain, tmp_string,
1583 sizeof(tmp_string) );
1584 }
1585 pdb_set_homedir(sampass, tmp_string, PDB_SET);
1586 }
1587 else {
1588 pdb_set_homedir(sampass,
1589 talloc_sub_basic(sampass, username, domain,
1590 lp_logon_home()),
1591 PDB_DEFAULT);
1592 }
1593
1594 if (dir_drive)
1595 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1596 else
1597 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1598
1599 if (logon_script) {
1600 fstrcpy( tmp_string, logon_script );
1601 if (expand_explicit) {
1602 standard_sub_basic( username, domain, tmp_string,
1603 sizeof(tmp_string) );
1604 }
1605 pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1606 }
1607 else {
1608 pdb_set_logon_script(sampass,
1609 talloc_sub_basic(sampass, username, domain,
1610 lp_logon_script()),
1611 PDB_DEFAULT);
1612 }
1613
1614 if (profile_path) {
1615 fstrcpy( tmp_string, profile_path );
1616 if (expand_explicit) {
1617 standard_sub_basic( username, domain, tmp_string,
1618 sizeof(tmp_string) );
1619 }
1620 pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1621 }
1622 else {
1623 pdb_set_profile_path(sampass,
1624 talloc_sub_basic(sampass, username, domain, lp_logon_path()),
1625 PDB_DEFAULT);
1626 }
1627
1628 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1629 pdb_set_workstations(sampass, workstations, PDB_SET);
1630 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1631
1632 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1633 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1634 ret = False;
1635 goto done;
1636 }
1637 }
1638
1639 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1640 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1641 ret = False;
1642 goto done;
1643 }
1644 }
1645
1646 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1647 if (pwHistLen) {
1648 uint8 *pw_hist = (uint8 *)SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
1649 if (!pw_hist) {
1650 ret = False;
1651 goto done;
1652 }
1653 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1654 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1655 int i;
1656 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1657 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1658 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1659 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1660 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1661 PW_HISTORY_ENTRY_LEN);
1662 }
1663 }
1664 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1665 SAFE_FREE(pw_hist);
1666 ret = False;
1667 goto done;
1668 }
1669 SAFE_FREE(pw_hist);
1670 } else {
1671 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1672 }
1673
1674 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1675 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1676 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1677 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1678 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1679 /* Change from V2 is the uint32 acct_ctrl */
1680 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1681 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1682 pdb_set_hours(sampass, hours, PDB_SET);
1683
1684 done:
1685
1686 SAFE_FREE(username);
1687 SAFE_FREE(domain);
1688 SAFE_FREE(nt_username);
1689 SAFE_FREE(fullname);
1690 SAFE_FREE(homedir);
1691 SAFE_FREE(dir_drive);
1692 SAFE_FREE(logon_script);
1693 SAFE_FREE(profile_path);
1694 SAFE_FREE(acct_desc);
1695 SAFE_FREE(workstations);
1696 SAFE_FREE(munged_dial);
1697 SAFE_FREE(unknown_str);
1698 SAFE_FREE(lm_pw_ptr);
1699 SAFE_FREE(nt_pw_ptr);
1700 SAFE_FREE(nt_pw_hist_ptr);
1701 SAFE_FREE(hours);
1702
1703 return ret;
1704 }
1705
1706 /*********************************************************************
1707 *********************************************************************/
1708
1709 static uint32 init_buffer_from_samu_v3 (uint8 **buf, struct samu *sampass, bool size_only)
1710 {
1711 size_t len, buflen;
1712
1713 /* times are stored as 32bit integer
1714 take care on system with 64bit wide time_t
1715 --SSS */
1716 uint32 logon_time,
1717 logoff_time,
1718 kickoff_time,
1719 bad_password_time,
1720 pass_last_set_time,
1721 pass_can_change_time,
1722 pass_must_change_time;
1723
1724 uint32 user_rid, group_rid;
1725
1726 const char *username;
1727 const char *domain;
1728 const char *nt_username;
1729 const char *dir_drive;
1730 const char *unknown_str;
1731 const char *munged_dial;
1732 const char *fullname;
1733 const char *homedir;
1734 const char *logon_script;
1735 const char *profile_path;
1736 const char *acct_desc;
1737 const char *workstations;
1738 uint32 username_len, domain_len, nt_username_len,
1739 dir_drive_len, unknown_str_len, munged_dial_len,
1740 fullname_len, homedir_len, logon_script_len,
1741 profile_path_len, acct_desc_len, workstations_len;
1742
1743 const uint8 *lm_pw;
1744 const uint8 *nt_pw;
1745 const uint8 *nt_pw_hist;
1746 uint32 lm_pw_len = 16;
1747 uint32 nt_pw_len = 16;
1748 uint32 nt_pw_hist_len;
1749 uint32 pwHistLen = 0;
1750
1751 *buf = NULL;
1752 buflen = 0;
1753
1754 logon_time = convert_time_t_to_uint32(pdb_get_logon_time(sampass));
1755 logoff_time = convert_time_t_to_uint32(pdb_get_logoff_time(sampass));
1756 kickoff_time = convert_time_t_to_uint32(pdb_get_kickoff_time(sampass));
1757 bad_password_time = convert_time_t_to_uint32(pdb_get_bad_password_time(sampass));
1758 pass_can_change_time = convert_time_t_to_uint32(pdb_get_pass_can_change_time_noncalc(sampass));
1759 pass_must_change_time = convert_time_t_to_uint32(pdb_get_pass_must_change_time(sampass));
1760 pass_last_set_time = convert_time_t_to_uint32(pdb_get_pass_last_set_time(sampass));
1761
1762 user_rid = pdb_get_user_rid(sampass);
1763 group_rid = pdb_get_group_rid(sampass);
1764
1765 username = pdb_get_username(sampass);
1766 if (username) {
1767 username_len = strlen(username) +1;
1768 } else {
1769 username_len = 0;
1770 }
1771
1772 domain = pdb_get_domain(sampass);
1773 if (domain) {
1774 domain_len = strlen(domain) +1;
1775 } else {
1776 domain_len = 0;
1777 }
1778
1779 nt_username = pdb_get_nt_username(sampass);
1780 if (nt_username) {
1781 nt_username_len = strlen(nt_username) +1;
1782 } else {
1783 nt_username_len = 0;
1784 }
1785
1786 fullname = pdb_get_fullname(sampass);
1787 if (fullname) {
1788 fullname_len = strlen(fullname) +1;
1789 } else {
1790 fullname_len = 0;
1791 }
1792
1793 /*
1794 * Only updates fields which have been set (not defaults from smb.conf)
1795 */
1796
1797 if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1798 dir_drive = pdb_get_dir_drive(sampass);
1799 } else {
1800 dir_drive = NULL;
1801 }
1802 if (dir_drive) {
1803 dir_drive_len = strlen(dir_drive) +1;
1804 } else {
1805 dir_drive_len = 0;
1806 }
1807
1808 if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1809 homedir = pdb_get_homedir(sampass);
1810 } else {
1811 homedir = NULL;
1812 }
1813 if (homedir) {
1814 homedir_len = strlen(homedir) +1;
1815 } else {
1816 homedir_len = 0;
1817 }
1818
1819 if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1820 logon_script = pdb_get_logon_script(sampass);
1821 } else {
1822 logon_script = NULL;
1823 }
1824 if (logon_script) {
1825 logon_script_len = strlen(logon_script) +1;
1826 } else {
1827 logon_script_len = 0;
1828 }
1829
1830 if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1831 profile_path = pdb_get_profile_path(sampass);
1832 } else {
1833 profile_path = NULL;
1834 }
1835 if (profile_path) {
1836 profile_path_len = strlen(profile_path) +1;
1837 } else {
1838 profile_path_len = 0;
1839 }
1840
1841 lm_pw = pdb_get_lanman_passwd(sampass);
1842 if (!lm_pw) {
1843 lm_pw_len = 0;
1844 }
1845
1846 nt_pw = pdb_get_nt_passwd(sampass);
1847 if (!nt_pw) {
1848 nt_pw_len = 0;
1849 }
1850
1851 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1852 nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
1853 if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1854 nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1855 } else {
1856 nt_pw_hist_len = 0;
1857 }
1858
1859 acct_desc = pdb_get_acct_desc(sampass);
1860 if (acct_desc) {
1861 acct_desc_len = strlen(acct_desc) +1;
1862 } else {
1863 acct_desc_len = 0;
1864 }
1865
1866 workstations = pdb_get_workstations(sampass);
1867 if (workstations) {
1868 workstations_len = strlen(workstations) +1;
1869 } else {
1870 workstations_len = 0;
1871 }
1872
1873 unknown_str = NULL;
1874 unknown_str_len = 0;
1875
1876 munged_dial = pdb_get_munged_dial(sampass);
1877 if (munged_dial) {
1878 munged_dial_len = strlen(munged_dial) +1;
1879 } else {
1880 munged_dial_len = 0;
1881 }
1882
1883 /* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1884
1885 /* one time to get the size needed */
1886 len = tdb_pack(NULL, 0, SAMU_BUFFER_FORMAT_V3,
1887 logon_time, /* d */
1888 logoff_time, /* d */
1889 kickoff_time, /* d */
1890 bad_password_time, /* d */
1891 pass_last_set_time, /* d */
1892 pass_can_change_time, /* d */
1893 pass_must_change_time, /* d */
1894 username_len, username, /* B */
1895 domain_len, domain, /* B */
1896 nt_username_len, nt_username, /* B */
1897 fullname_len, fullname, /* B */
1898 homedir_len, homedir, /* B */
1899 dir_drive_len, dir_drive, /* B */
1900 logon_script_len, logon_script, /* B */
1901 profile_path_len, profile_path, /* B */
1902 acct_desc_len, acct_desc, /* B */
1903 workstations_len, workstations, /* B */
1904 unknown_str_len, unknown_str, /* B */
1905 munged_dial_len, munged_dial, /* B */
1906 user_rid, /* d */
1907 group_rid, /* d */
1908 lm_pw_len, lm_pw, /* B */
1909 nt_pw_len, nt_pw, /* B */
1910 nt_pw_hist_len, nt_pw_hist, /* B */
1911 pdb_get_acct_ctrl(sampass), /* d */
1912 pdb_get_logon_divs(sampass), /* w */
1913 pdb_get_hours_len(sampass), /* d */
1914 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1915 pdb_get_bad_password_count(sampass), /* w */
1916 pdb_get_logon_count(sampass), /* w */
1917 pdb_get_unknown_6(sampass)); /* d */
1918
1919 if (size_only) {
1920 return buflen;
1921 }
1922
1923 /* malloc the space needed */
1924 if ( (*buf=(uint8*)SMB_MALLOC(len)) == NULL) {
1925 DEBUG(0,("init_buffer_from_samu_v3: Unable to malloc() memory for buffer!\n"));
1926 return (-1);
1927 }
1928
1929 /* now for the real call to tdb_pack() */
1930 buflen = tdb_pack(*buf, len, SAMU_BUFFER_FORMAT_V3,
1931 logon_time, /* d */
1932 logoff_time, /* d */
1933 kickoff_time, /* d */
1934 bad_password_time, /* d */
1935 pass_last_set_time, /* d */
1936 pass_can_change_time, /* d */
1937 pass_must_change_time, /* d */
1938 username_len, username, /* B */
1939 domain_len, domain, /* B */
1940 nt_username_len, nt_username, /* B */
1941 fullname_len, fullname, /* B */
1942 homedir_len, homedir, /* B */
1943 dir_drive_len, dir_drive, /* B */
1944 logon_script_len, logon_script, /* B */
1945 profile_path_len, profile_path, /* B */
1946 acct_desc_len, acct_desc, /* B */
1947 workstations_len, workstations, /* B */
1948 unknown_str_len, unknown_str, /* B */
1949 munged_dial_len, munged_dial, /* B */
1950 user_rid, /* d */
1951 group_rid, /* d */
1952 lm_pw_len, lm_pw, /* B */
1953 nt_pw_len, nt_pw, /* B */
1954 nt_pw_hist_len, nt_pw_hist, /* B */
1955 pdb_get_acct_ctrl(sampass), /* d */
1956 pdb_get_logon_divs(sampass), /* w */
1957 pdb_get_hours_len(sampass), /* d */
1958 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1959 pdb_get_bad_password_count(sampass), /* w */
1960 pdb_get_logon_count(sampass), /* w */
1961 pdb_get_unknown_6(sampass)); /* d */
1962
1963 /* check to make sure we got it correct */
1964 if (buflen != len) {
1965 DEBUG(0, ("init_buffer_from_samu_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
1966 (unsigned long)buflen, (unsigned long)len));
1967 /* error */
1968 SAFE_FREE (*buf);
1969 return (-1);
1970 }
1971
1972 return (buflen);
1973 }
1974
1975 static bool init_samu_from_buffer_v4(struct samu *sampass, uint8 *buf, uint32 buflen)
1976 {
1977 /* nothing changed between V3 and V4 */
1978 return init_samu_from_buffer_v3(sampass, buf, buflen);
1979 }
1980
1981 static uint32 init_buffer_from_samu_v4(uint8 **buf, struct samu *sampass, bool size_only)
1982 {
1983 /* nothing changed between V3 and V4 */
1984 return init_buffer_from_samu_v3(buf, sampass, size_only);
1985 }
1986
1987 /**********************************************************************
1988 Intialize a struct samu struct from a BYTE buffer of size len
1989 *********************************************************************/
1990
1991 bool init_samu_from_buffer(struct samu *sampass, uint32_t level,
1992 uint8 *buf, uint32 buflen)
1993 {
1994 switch (level) {
1995 case SAMU_BUFFER_V0:
1996 return init_samu_from_buffer_v0(sampass, buf, buflen);
1997 case SAMU_BUFFER_V1:
1998 return init_samu_from_buffer_v1(sampass, buf, buflen);
1999 case SAMU_BUFFER_V2:
2000 return init_samu_from_buffer_v2(sampass, buf, buflen);
2001 case SAMU_BUFFER_V3:
2002 return init_samu_from_buffer_v3(sampass, buf, buflen);
2003 case SAMU_BUFFER_V4:
2004 return init_samu_from_buffer_v4(sampass, buf, buflen);
2005 }
2006
2007 return false;
2008 }
2009
2010 /**********************************************************************
2011 Intialize a BYTE buffer from a struct samu struct
2012 *********************************************************************/
2013
2014 uint32 init_buffer_from_samu (uint8 **buf, struct samu *sampass, bool size_only)
2015 {
2016 return init_buffer_from_samu_v4(buf, sampass, size_only);
2017 }
2018
2019 /*********************************************************************
2020 *********************************************************************/
2021
2022 bool pdb_copy_sam_account(struct samu *dst, struct samu *src )
2023 {
2024 uint8 *buf = NULL;
2025 int len;
2026
2027 len = init_buffer_from_samu(&buf, src, False);
2028 if (len == -1 || !buf) {
2029 SAFE_FREE(buf);
2030 return False;
2031 }
2032
2033 if (!init_samu_from_buffer( dst, SAMU_BUFFER_LATEST, buf, len )) {
2034 free(buf);
2035 return False;
2036 }
2037
2038 dst->methods = src->methods;
2039
2040 if ( src->unix_pw ) {
2041 dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
2042 if (!dst->unix_pw) {
2043 free(buf);
2044 return False;
2045 }
2046 }
2047
2048 free(buf);
2049 return True;
2050 }
2051
2052 /*********************************************************************
2053 Update the bad password count checking the AP_RESET_COUNT_TIME
2054 *********************************************************************/
2055
2056 bool pdb_update_bad_password_count(struct samu *sampass, bool *updated)
2057 {
2058 time_t LastBadPassword;
2059 uint16 BadPasswordCount;
2060 uint32 resettime;
2061 bool res;
2062
2063 BadPasswordCount = pdb_get_bad_password_count(sampass);
2064 if (!BadPasswordCount) {
2065 DEBUG(9, ("No bad password attempts.\n"));
2066 return True;
2067 }
2068
2069 become_root();
2070 res = pdb_get_account_policy(AP_RESET_COUNT_TIME, &resettime);
2071 unbecome_root();
2072
2073 if (!res) {
2074 DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
2075 return False;
2076 }
2077
2078 /* First, check if there is a reset time to compare */
2079 if ((resettime == (uint32) -1) || (resettime == 0)) {
2080 DEBUG(9, ("No reset time, can't reset bad pw count\n"));
2081 return True;
2082 }
2083
2084 LastBadPassword = pdb_get_bad_password_time(sampass);
2085 DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
2086 (uint32) LastBadPassword, resettime, (uint32)time(NULL)));
2087 if (time(NULL) > (LastBadPassword + convert_uint32_to_time_t(resettime)*60)){
2088 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2089 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2090 if (updated) {
2091 *updated = True;
2092 }
2093 }
2094
2095 return True;
2096 }
2097
2098 /*********************************************************************
2099 Update the ACB_AUTOLOCK flag checking the AP_LOCK_ACCOUNT_DURATION
2100 *********************************************************************/
2101
2102 bool pdb_update_autolock_flag(struct samu *sampass, bool *updated)
2103 {
2104 uint32 duration;
2105 time_t LastBadPassword;
2106 bool res;
2107
2108 if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
2109 DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
2110 pdb_get_username(sampass)));
2111 return True;
2112 }
2113
2114 become_root();
2115 res = pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &duration);
2116 unbecome_root();
2117
2118 if (!res) {
2119 DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
2120 return False;
2121 }
2122
2123 /* First, check if there is a duration to compare */
2124 if ((duration == (uint32) -1) || (duration == 0)) {
2125 DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
2126 return True;
2127 }
2128
2129 LastBadPassword = pdb_get_bad_password_time(sampass);
2130 DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
2131 pdb_get_username(sampass), (uint32)LastBadPassword, duration*60, (uint32)time(NULL)));
2132
2133 if (LastBadPassword == (time_t)0) {
2134 DEBUG(1,("pdb_update_autolock_flag: Account %s "
2135 "administratively locked out with no bad password "
2136 "time. Leaving locked out.\n",
2137 pdb_get_username(sampass) ));
2138 return True;
2139 }
2140
2141 if ((time(NULL) > (LastBadPassword + convert_uint32_to_time_t(duration) * 60))) {
2142 pdb_set_acct_ctrl(sampass,
2143 pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
2144 PDB_CHANGED);
2145 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2146 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2147 if (updated) {
2148 *updated = True;
2149 }
2150 }
2151
2152 return True;
2153 }
2154
2155 /*********************************************************************
2156 Increment the bad_password_count
2157 *********************************************************************/
2158
2159 bool pdb_increment_bad_password_count(struct samu *sampass)
2160 {
2161 uint32 account_policy_lockout;
2162 bool autolock_updated = False, badpw_updated = False;
2163 bool ret;
2164
2165 /* Retrieve the account lockout policy */
2166 become_root();
2167 ret = pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
2168 unbecome_root();
2169 if ( !ret ) {
2170 DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
2171 return False;
2172 }
2173
2174 /* If there is no policy, we don't need to continue checking */
2175 if (!account_policy_lockout) {
2176 DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
2177 return True;
2178 }
2179
2180 /* Check if the autolock needs to be cleared */
2181 if (!pdb_update_autolock_flag(sampass, &autolock_updated))
2182 return False;
2183
2184 /* Check if the badpw count needs to be reset */
2185 if (!pdb_update_bad_password_count(sampass, &badpw_updated))
2186 return False;
2187
2188 /*
2189 Ok, now we can assume that any resetting that needs to be
2190 done has been done, and just get on with incrementing
2191 and autolocking if necessary
2192 */
2193
2194 pdb_set_bad_password_count(sampass,
2195 pdb_get_bad_password_count(sampass)+1,
2196 PDB_CHANGED);
2197 pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
2198
2199
2200 if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
2201 return True;
2202
2203 if (!pdb_set_acct_ctrl(sampass,
2204 pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
2205 PDB_CHANGED)) {
2206 DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
2207 return False;
2208 }
2209
2210 return True;
2211 }
2212
2213 bool is_dc_trusted_domain_situation(const char *domain_name)
2214 {
2215 return IS_DC && !strequal(domain_name, lp_workgroup());
2216 }
2217
2218 /*******************************************************************
2219 Wrapper around retrieving the clear text trust account password.
2220 appropriate account name is stored in account_name.
2221 Caller must free password, but not account_name.
2222 *******************************************************************/
2223
2224 bool get_trust_pw_clear(const char *domain, char **ret_pwd,
2225 const char **account_name, uint32 *channel)
2226 {
2227 char *pwd;
2228 time_t last_set_time;
2229
2230 /* if we are a DC and this is not our domain, then lookup an account
2231 * for the domain trust */
2232
2233 if (is_dc_trusted_domain_situation(domain)) {
2234 if (!lp_allow_trusted_domains()) {
2235 return false;
2236 }
2237
2238 if (!pdb_get_trusteddom_pw(domain, ret_pwd, NULL,
2239 &last_set_time))
2240 {
2241 DEBUG(0, ("get_trust_pw: could not fetch trust "
2242 "account password for trusted domain %s\n",
2243 domain));
2244 return false;
2245 }
2246
2247 if (channel != NULL) {
2248 *channel = SEC_CHAN_DOMAIN;
2249 }
2250
2251 if (account_name != NULL) {
2252 *account_name = lp_workgroup();
2253 }
2254
2255 return true;
2256 }
2257
2258 /*
2259 * Since we can only be member of one single domain, we are now
2260 * in a member situation:
2261 *
2262 * - Either we are a DC (selfjoined) and the domain is our
2263 * own domain.
2264 * - Or we are on a member and the domain is our own or some
2265 * other (potentially trusted) domain.
2266 *
2267 * In both cases, we can only get the machine account password
2268 * for our own domain to connect to our own dc. (For a member,
2269 * request to trusted domains are performed through our dc.)
2270 *
2271 * So we simply use our own domain name to retrieve the
2272 * machine account passowrd and ignore the request domain here.
2273 */
2274
2275 pwd = secrets_fetch_machine_password(lp_workgroup(), &last_set_time, channel);
2276
2277 if (pwd != NULL) {
2278 *ret_pwd = pwd;
2279 if (account_name != NULL) {
2280 *account_name = global_myname();
2281 }
2282
2283 return true;
2284 }
2285
2286 DEBUG(5, ("get_trust_pw_clear: could not fetch clear text trust "
2287 "account password for domain %s\n", domain));
2288 return false;
2289 }
2290
2291 /*******************************************************************
2292 Wrapper around retrieving the trust account password.
2293 appropriate account name is stored in account_name.
2294 *******************************************************************/
2295
2296 bool get_trust_pw_hash(const char *domain, uint8 ret_pwd[16],
2297 const char **account_name, uint32 *channel)
2298 {
2299 char *pwd = NULL;
2300 time_t last_set_time;
2301
2302 if (get_trust_pw_clear(domain, &pwd, account_name, channel)) {
2303 E_md4hash(pwd, ret_pwd);
2304 SAFE_FREE(pwd);
2305 return true;
2306 } else if (is_dc_trusted_domain_situation(domain)) {
2307 return false;
2308 }
2309
2310 /* as a fallback, try to get the hashed pwd directly from the tdb... */
2311
2312 if (secrets_fetch_trust_account_password_legacy(domain, ret_pwd,
2313 &last_set_time,
2314 channel))
2315 {
2316 if (account_name != NULL) {
2317 *account_name = global_myname();
2318 }
2319
2320 return true;
2321 }
2322
2323 DEBUG(5, ("get_trust_pw_hash: could not fetch trust account "
2324 "password for domain %s\n", domain));
2325 return False;
2326 }
2327
2328 struct samr_LogonHours get_logon_hours_from_pdb(TALLOC_CTX *mem_ctx,
2329 struct samu *pw)
2330 {
2331 struct samr_LogonHours hours;
2332 const int units_per_week = 168;
2333
2334 ZERO_STRUCT(hours);
2335 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
2336 if (!hours.bits) {
2337 return hours;
2338 }
2339
2340 hours.units_per_week = units_per_week;
2341 memset(hours.bits, 0xFF, units_per_week);
2342
2343 if (pdb_get_hours(pw)) {
2344 memcpy(hours.bits, pdb_get_hours(pw),
2345 MIN(pdb_get_hours_len(pw), units_per_week));
2346 }
2347
2348 return hours;
2349 }
2350
2351 /****************************************************************
2352 ****************************************************************/
2353
2354 NTSTATUS smb_create_user(TALLOC_CTX *mem_ctx,
2355 uint32_t acct_flags,
2356 const char *account,
2357 struct passwd **passwd_p)
2358 {
2359 struct passwd *passwd;
2360 char *add_script = NULL;
2361
2362 passwd = Get_Pwnam_alloc(mem_ctx, account);
2363 if (passwd) {
2364 *passwd_p = passwd;
2365 return NT_STATUS_OK;
2366 }
2367
2368 /* Create appropriate user */
2369 if (acct_flags & ACB_NORMAL) {
2370 add_script = talloc_strdup(mem_ctx, lp_adduser_script());
2371 } else if ( (acct_flags & ACB_WSTRUST) ||
2372 (acct_flags & ACB_SVRTRUST) ||
2373 (acct_flags & ACB_DOMTRUST) ) {
2374 add_script = talloc_strdup(mem_ctx, lp_addmachine_script());
2375 } else {
2376 DEBUG(1, ("Unknown user type: %s\n",
2377 pdb_encode_acct_ctrl(acct_flags, NEW_PW_FORMAT_SPACE_PADDED_LEN)));
2378 return NT_STATUS_UNSUCCESSFUL;
2379 }
2380
2381 if (!add_script) {
2382 return NT_STATUS_NO_MEMORY;
2383 }
2384
2385 if (*add_script) {
2386 int add_ret;
2387 add_script = talloc_all_string_sub(mem_ctx, add_script,
2388 "%u", account);
2389 if (!add_script) {
2390 return NT_STATUS_NO_MEMORY;
2391 }
2392 add_ret = smbrun(add_script, NULL);
2393 DEBUG(add_ret ? 0 : 1,("fetch_account: Running the command `%s' "
2394 "gave %d\n", add_script, add_ret));
2395 if (add_ret == 0) {
2396 smb_nscd_flush_user_cache();
2397 }
2398 }
2399
2400 /* try and find the possible unix account again */
2401 passwd = Get_Pwnam_alloc(mem_ctx, account);
2402 if (!passwd) {
2403 return NT_STATUS_NO_SUCH_USER;
2404 }
2405
2406 *passwd_p = passwd;
2407
2408 return NT_STATUS_OK;
2409 }
WIP