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Consolidate user create/delete paths in smbpasswd
[Samba.git] / source3 / passdb / passdb.c
blob9654e79d7a5f47b0f141ab5e87fbcadc34ade829
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 "../libcli/auth/libcli_auth.h"
27
28 #undef DBGC_CLASS
29 #define DBGC_CLASS DBGC_PASSDB
30
31 /******************************************************************
32 Get the default domain/netbios name to be used when
33 testing authentication.
34
35 LEGACY: this function provides the legacy domain mapping used with
36 the lp_map_untrusted_to_domain() parameter
37 ******************************************************************/
38
39 const char *my_sam_name(void)
40 {
41 /* Standalone servers can only use the local netbios name */
42 if ( lp_server_role() == ROLE_STANDALONE )
43 return global_myname();
44
45 /* Default to the DOMAIN name when not specified */
46 return lp_workgroup();
47 }
48
49 /**********************************************************************
50 ***********************************************************************/
51
52 static int samu_destroy(struct samu *user)
53 {
54 data_blob_clear_free( &user->lm_pw );
55 data_blob_clear_free( &user->nt_pw );
56
57 if ( user->plaintext_pw )
58 memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) );
59
60 return 0;
61 }
62
63 /**********************************************************************
64 generate a new struct samuser
65 ***********************************************************************/
66
67 struct samu *samu_new( TALLOC_CTX *ctx )
68 {
69 struct samu *user;
70
71 if ( !(user = TALLOC_ZERO_P( ctx, struct samu )) ) {
72 DEBUG(0,("samuser_new: Talloc failed!\n"));
73 return NULL;
74 }
75
76 talloc_set_destructor( user, samu_destroy );
77
78 /* no initial methods */
79
80 user->methods = NULL;
81
82 /* Don't change these timestamp settings without a good reason.
83 They are important for NT member server compatibility. */
84
85 user->logon_time = (time_t)0;
86 user->pass_last_set_time = (time_t)0;
87 user->pass_can_change_time = (time_t)0;
88 user->logoff_time = get_time_t_max();
89 user->kickoff_time = get_time_t_max();
90 user->pass_must_change_time = get_time_t_max();
91 user->fields_present = 0x00ffffff;
92 user->logon_divs = 168; /* hours per week */
93 user->hours_len = 21; /* 21 times 8 bits = 168 */
94 memset(user->hours, 0xff, user->hours_len); /* available at all hours */
95 user->bad_password_count = 0;
96 user->logon_count = 0;
97 user->unknown_6 = 0x000004ec; /* don't know */
98
99 /* Some parts of samba strlen their pdb_get...() returns,
100 so this keeps the interface unchanged for now. */
101
102 user->username = "";
103 user->domain = "";
104 user->nt_username = "";
105 user->full_name = "";
106 user->home_dir = "";
107 user->logon_script = "";
108 user->profile_path = "";
109 user->acct_desc = "";
110 user->workstations = "";
111 user->comment = "";
112 user->munged_dial = "";
113
114 user->plaintext_pw = NULL;
115
116 /* Unless we know otherwise have a Account Control Bit
117 value of 'normal user'. This helps User Manager, which
118 asks for a filtered list of users. */
119
120 user->acct_ctrl = ACB_NORMAL;
121
122 return user;
123 }
124
125 /*********************************************************************
126 Initialize a struct samu from a struct passwd including the user
127 and group SIDs. The *user structure is filled out with the Unix
128 attributes and a user SID.
129 *********************************************************************/
130
131 static NTSTATUS samu_set_unix_internal(struct samu *user, const struct passwd *pwd, bool create)
132 {
133 const char *guest_account = lp_guestaccount();
134 const char *domain = global_myname();
135 uint32 urid;
136
137 if ( !pwd ) {
138 return NT_STATUS_NO_SUCH_USER;
139 }
140
141 /* Basic properties based upon the Unix account information */
142
143 pdb_set_username(user, pwd->pw_name, PDB_SET);
144 pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
145 pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
146 #if 0
147 /* This can lead to a primary group of S-1-22-2-XX which
148 will be rejected by other parts of the Samba code.
149 Rely on pdb_get_group_sid() to "Do The Right Thing" (TM)
150 --jerry */
151
152 gid_to_sid(&group_sid, pwd->pw_gid);
153 pdb_set_group_sid(user, &group_sid, PDB_SET);
154 #endif
155
156 /* save the password structure for later use */
157
158 user->unix_pw = tcopy_passwd( user, pwd );
159
160 /* Special case for the guest account which must have a RID of 501 */
161
162 if ( strequal( pwd->pw_name, guest_account ) ) {
163 if ( !pdb_set_user_sid_from_rid(user, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
164 return NT_STATUS_NO_SUCH_USER;
165 }
166 return NT_STATUS_OK;
167 }
168
169 /* Non-guest accounts...Check for a workstation or user account */
170
171 if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
172 /* workstation */
173
174 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
175 DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
176 pwd->pw_name));
177 return NT_STATUS_INVALID_COMPUTER_NAME;
178 }
179 }
180 else {
181 /* user */
182
183 if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
184 DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
185 pwd->pw_name));
186 return NT_STATUS_INVALID_ACCOUNT_NAME;
187 }
188
189 /* set some basic attributes */
190
191 pdb_set_profile_path(user, talloc_sub_specified(user,
192 lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
193 PDB_DEFAULT);
194 pdb_set_homedir(user, talloc_sub_specified(user,
195 lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
196 PDB_DEFAULT);
197 pdb_set_dir_drive(user, talloc_sub_specified(user,
198 lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
199 PDB_DEFAULT);
200 pdb_set_logon_script(user, talloc_sub_specified(user,
201 lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
202 PDB_DEFAULT);
203 }
204
205 /* Now deal with the user SID. If we have a backend that can generate
206 RIDs, then do so. But sometimes the caller just wanted a structure
207 initialized and will fill in these fields later (such as from a
208 netr_SamInfo3 structure) */
209
210 if ( create && !pdb_rid_algorithm() ) {
211 uint32 user_rid;
212 DOM_SID user_sid;
213
214 if ( !pdb_new_rid( &user_rid ) ) {
215 DEBUG(3, ("Could not allocate a new RID\n"));
216 return NT_STATUS_ACCESS_DENIED;
217 }
218
219 sid_copy( &user_sid, get_global_sam_sid() );
220 sid_append_rid( &user_sid, user_rid );
221
222 if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
223 DEBUG(3, ("pdb_set_user_sid failed\n"));
224 return NT_STATUS_INTERNAL_ERROR;
225 }
226
227 return NT_STATUS_OK;
228 }
229
230 /* generate a SID for the user with the RID algorithm */
231
232 urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
233
234 if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
235 return NT_STATUS_INTERNAL_ERROR;
236 }
237
238 return NT_STATUS_OK;
239 }
240
241 /********************************************************************
242 Set the Unix user attributes
243 ********************************************************************/
244
245 NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
246 {
247 return samu_set_unix_internal( user, pwd, False );
248 }
249
250 NTSTATUS samu_alloc_rid_unix(struct samu *user, const struct passwd *pwd)
251 {
252 return samu_set_unix_internal( user, pwd, True );
253 }
254
255 /**********************************************************
256 Encode the account control bits into a string.
257 length = length of string to encode into (including terminating
258 null). length *MUST BE MORE THAN 2* !
259 **********************************************************/
260
261 char *pdb_encode_acct_ctrl(uint32_t acct_ctrl, size_t length)
262 {
263 fstring acct_str;
264 char *result;
265
266 size_t i = 0;
267
268 SMB_ASSERT(length <= sizeof(acct_str));
269
270 acct_str[i++] = '[';
271
272 if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
273 if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
274 if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
275 if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
276 if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
277 if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
278 if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
279 if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
280 if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
281 if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
282 if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
283
284 for ( ; i < length - 2 ; i++ )
285 acct_str[i] = ' ';
286
287 i = length - 2;
288 acct_str[i++] = ']';
289 acct_str[i++] = '\0';
290
291 result = talloc_strdup(talloc_tos(), acct_str);
292 SMB_ASSERT(result != NULL);
293 return result;
294 }
295
296 /**********************************************************
297 Decode the account control bits from a string.
298 **********************************************************/
299
300 uint32_t pdb_decode_acct_ctrl(const char *p)
301 {
302 uint32_t acct_ctrl = 0;
303 bool finished = false;
304
305 /*
306 * Check if the account type bits have been encoded after the
307 * NT password (in the form [NDHTUWSLXI]).
308 */
309
310 if (*p != '[')
311 return 0;
312
313 for (p++; *p && !finished; p++) {
314 switch (*p) {
315 case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
316 case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
317 case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
318 case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
319 case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
320 case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
321 case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
322 case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
323 case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
324 case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
325 case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
326 case ' ': { break; }
327 case ':':
328 case '\n':
329 case '\0':
330 case ']':
331 default: { finished = true; }
332 }
333 }
334
335 return acct_ctrl;
336 }
337
338 /*************************************************************
339 Routine to set 32 hex password characters from a 16 byte array.
340 **************************************************************/
341
342 void pdb_sethexpwd(char p[33], const unsigned char *pwd, uint32 acct_ctrl)
343 {
344 if (pwd != NULL) {
345 int i;
346 for (i = 0; i < 16; i++)
347 slprintf(&p[i*2], 3, "%02X", pwd[i]);
348 } else {
349 if (acct_ctrl & ACB_PWNOTREQ)
350 safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 32);
351 else
352 safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 32);
353 }
354 }
355
356 /*************************************************************
357 Routine to get the 32 hex characters and turn them
358 into a 16 byte array.
359 **************************************************************/
360
361 bool pdb_gethexpwd(const char *p, unsigned char *pwd)
362 {
363 int i;
364 unsigned char lonybble, hinybble;
365 const char *hexchars = "0123456789ABCDEF";
366 char *p1, *p2;
367
368 if (!p)
369 return false;
370
371 for (i = 0; i < 32; i += 2) {
372 hinybble = toupper_ascii(p[i]);
373 lonybble = toupper_ascii(p[i + 1]);
374
375 p1 = strchr(hexchars, hinybble);
376 p2 = strchr(hexchars, lonybble);
377
378 if (!p1 || !p2)
379 return false;
380
381 hinybble = PTR_DIFF(p1, hexchars);
382 lonybble = PTR_DIFF(p2, hexchars);
383
384 pwd[i / 2] = (hinybble << 4) | lonybble;
385 }
386 return true;
387 }
388
389 /*************************************************************
390 Routine to set 42 hex hours characters from a 21 byte array.
391 **************************************************************/
392
393 void pdb_sethexhours(char *p, const unsigned char *hours)
394 {
395 if (hours != NULL) {
396 int i;
397 for (i = 0; i < 21; i++) {
398 slprintf(&p[i*2], 3, "%02X", hours[i]);
399 }
400 } else {
401 safe_strcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 43);
402 }
403 }
404
405 /*************************************************************
406 Routine to get the 42 hex characters and turn them
407 into a 21 byte array.
408 **************************************************************/
409
410 bool pdb_gethexhours(const char *p, unsigned char *hours)
411 {
412 int i;
413 unsigned char lonybble, hinybble;
414 const char *hexchars = "0123456789ABCDEF";
415 char *p1, *p2;
416
417 if (!p) {
418 return (False);
419 }
420
421 for (i = 0; i < 42; i += 2) {
422 hinybble = toupper_ascii(p[i]);
423 lonybble = toupper_ascii(p[i + 1]);
424
425 p1 = strchr(hexchars, hinybble);
426 p2 = strchr(hexchars, lonybble);
427
428 if (!p1 || !p2) {
429 return (False);
430 }
431
432 hinybble = PTR_DIFF(p1, hexchars);
433 lonybble = PTR_DIFF(p2, hexchars);
434
435 hours[i / 2] = (hinybble << 4) | lonybble;
436 }
437 return (True);
438 }
439
440 /********************************************************************
441 ********************************************************************/
442
443 int algorithmic_rid_base(void)
444 {
445 int rid_offset;
446
447 rid_offset = lp_algorithmic_rid_base();
448
449 if (rid_offset < BASE_RID) {
450 /* Try to prevent admin foot-shooting, we can't put algorithmic
451 rids below 1000, that's the 'well known RIDs' on NT */
452 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
453 rid_offset = BASE_RID;
454 }
455 if (rid_offset & 1) {
456 DEBUG(0, ("algorithmic rid base must be even\n"));
457 rid_offset += 1;
458 }
459 return rid_offset;
460 }
461
462 /*******************************************************************
463 Converts NT user RID to a UNIX uid.
464 ********************************************************************/
465
466 uid_t algorithmic_pdb_user_rid_to_uid(uint32 user_rid)
467 {
468 int rid_offset = algorithmic_rid_base();
469 return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
470 }
471
472 uid_t max_algorithmic_uid(void)
473 {
474 return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
475 }
476
477 /*******************************************************************
478 converts UNIX uid to an NT User RID.
479 ********************************************************************/
480
481 uint32 algorithmic_pdb_uid_to_user_rid(uid_t uid)
482 {
483 int rid_offset = algorithmic_rid_base();
484 return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
485 }
486
487 /*******************************************************************
488 Converts NT group RID to a UNIX gid.
489 ********************************************************************/
490
491 gid_t pdb_group_rid_to_gid(uint32 group_rid)
492 {
493 int rid_offset = algorithmic_rid_base();
494 return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
495 }
496
497 gid_t max_algorithmic_gid(void)
498 {
499 return pdb_group_rid_to_gid(0xffffffff);
500 }
501
502 /*******************************************************************
503 converts NT Group RID to a UNIX uid.
504
505 warning: you must not call that function only
506 you must do a call to the group mapping first.
507 there is not anymore a direct link between the gid and the rid.
508 ********************************************************************/
509
510 uint32 algorithmic_pdb_gid_to_group_rid(gid_t gid)
511 {
512 int rid_offset = algorithmic_rid_base();
513 return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
514 }
515
516 /*******************************************************************
517 Decides if a RID is a well known RID.
518 ********************************************************************/
519
520 static bool rid_is_well_known(uint32 rid)
521 {
522 /* Not using rid_offset here, because this is the actual
523 NT fixed value (1000) */
524
525 return (rid < BASE_RID);
526 }
527
528 /*******************************************************************
529 Decides if a RID is a user or group RID.
530 ********************************************************************/
531
532 bool algorithmic_pdb_rid_is_user(uint32 rid)
533 {
534 if ( rid_is_well_known(rid) ) {
535 /*
536 * The only well known user RIDs are DOMAIN_USER_RID_ADMIN
537 * and DOMAIN_USER_RID_GUEST.
538 */
539 if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
540 return True;
541 } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
542 return True;
543 }
544 return False;
545 }
546
547 /*******************************************************************
548 Convert a name into a SID. Used in the lookup name rpc.
549 ********************************************************************/
550
551 bool lookup_global_sam_name(const char *name, int flags, uint32_t *rid,
552 enum lsa_SidType *type)
553 {
554 GROUP_MAP map;
555 bool ret;
556
557 /* Windows treats "MACHINE\None" as a special name for
558 rid 513 on non-DCs. You cannot create a user or group
559 name "None" on Windows. You will get an error that
560 the group already exists. */
561
562 if ( strequal( name, "None" ) ) {
563 *rid = DOMAIN_GROUP_RID_USERS;
564 *type = SID_NAME_DOM_GRP;
565
566 return True;
567 }
568
569 /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
570 * correctly in the case where foo also exists as a user. If the flag
571 * is set, don't look for users at all. */
572
573 if ((flags & LOOKUP_NAME_GROUP) == 0) {
574 struct samu *sam_account = NULL;
575 DOM_SID user_sid;
576
577 if ( !(sam_account = samu_new( NULL )) ) {
578 return False;
579 }
580
581 become_root();
582 ret = pdb_getsampwnam(sam_account, name);
583 unbecome_root();
584
585 if (ret) {
586 sid_copy(&user_sid, pdb_get_user_sid(sam_account));
587 }
588
589 TALLOC_FREE(sam_account);
590
591 if (ret) {
592 if (!sid_check_is_in_our_domain(&user_sid)) {
593 DEBUG(0, ("User %s with invalid SID %s in passdb\n",
594 name, sid_string_dbg(&user_sid)));
595 return False;
596 }
597
598 sid_peek_rid(&user_sid, rid);
599 *type = SID_NAME_USER;
600 return True;
601 }
602 }
603
604 /*
605 * Maybe it is a group ?
606 */
607
608 become_root();
609 ret = pdb_getgrnam(&map, name);
610 unbecome_root();
611
612 if (!ret) {
613 return False;
614 }
615
616 /* BUILTIN groups are looked up elsewhere */
617 if (!sid_check_is_in_our_domain(&map.sid)) {
618 DEBUG(10, ("Found group %s (%s) not in our domain -- "
619 "ignoring.", name, sid_string_dbg(&map.sid)));
620 return False;
621 }
622
623 /* yes it's a mapped group */
624 sid_peek_rid(&map.sid, rid);
625 *type = map.sid_name_use;
626 return True;
627 }
628
629 /*************************************************************
630 Change a password entry in the local passdb backend.
631
632 Assumptions:
633 - always called as root
634 - ignores the account type except when adding a new account
635 - will create/delete the unix account if the relative
636 add/delete user script is configured
637
638 *************************************************************/
639
640 NTSTATUS local_password_change(const char *user_name,
641 int local_flags,
642 const char *new_passwd,
643 char **pp_err_str,
644 char **pp_msg_str)
645 {
646 TALLOC_CTX *tosctx;
647 struct samu *sam_pass;
648 uint32_t acb;
649 uint32_t rid;
650 NTSTATUS result;
651 bool user_exists;
652 int ret;
653
654 *pp_err_str = NULL;
655 *pp_msg_str = NULL;
656
657 tosctx = talloc_tos();
658 if (!tosctx) {
659 return NT_STATUS_NO_MEMORY;
660 }
661
662 sam_pass = samu_new(tosctx);
663 if (!sam_pass) {
664 result = NT_STATUS_NO_MEMORY;
665 goto done;
666 }
667
668 /* Get the smb passwd entry for this user */
669 user_exists = pdb_getsampwnam(sam_pass, user_name);
670
671 /* Check delete first, we don't need to do anything else if we
672 * are going to delete the acocunt */
673 if (user_exists && (local_flags & LOCAL_DELETE_USER)) {
674
675 result = pdb_delete_user(tosctx, sam_pass);
676 if (!NT_STATUS_IS_OK(result)) {
677 ret = asprintf(pp_err_str,
678 "Failed to delete entry for user %s.\n",
679 user_name);
680 if (ret < 0) {
681 *pp_err_str = NULL;
682 }
683 result = NT_STATUS_UNSUCCESSFUL;
684 } else {
685 ret = asprintf(pp_msg_str,
686 "Deleted user %s.\n",
687 user_name);
688 if (ret < 0) {
689 *pp_msg_str = NULL;
690 }
691 }
692 goto done;
693 }
694
695 if (user_exists && (local_flags & LOCAL_ADD_USER)) {
696 /* the entry already existed */
697 local_flags &= ~LOCAL_ADD_USER;
698 }
699
700 if (!user_exists && !(local_flags & LOCAL_ADD_USER)) {
701 ret = asprintf(pp_err_str,
702 "Failed to find entry for user %s.\n",
703 user_name);
704 if (ret < 0) {
705 *pp_err_str = NULL;
706 }
707 result = NT_STATUS_NO_SUCH_USER;
708 goto done;
709 }
710
711 /* First thing add the new user if we are required to do so */
712 if (local_flags & LOCAL_ADD_USER) {
713
714 if (local_flags & LOCAL_TRUST_ACCOUNT) {
715 acb = ACB_WSTRUST;
716 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
717 acb = ACB_DOMTRUST;
718 } else {
719 acb = ACB_NORMAL;
720 }
721
722 result = pdb_create_user(tosctx, user_name, acb, &rid);
723 if (!NT_STATUS_IS_OK(result)) {
724 ret = asprintf(pp_err_str,
725 "Failed to add entry for user %s.\n",
726 user_name);
727 if (ret < 0) {
728 *pp_err_str = NULL;
729 }
730 result = NT_STATUS_UNSUCCESSFUL;
731 goto done;
732 }
733
734 sam_pass = samu_new(tosctx);
735 if (!sam_pass) {
736 result = NT_STATUS_NO_MEMORY;
737 goto done;
738 }
739
740 /* Now get back the smb passwd entry for this new user */
741 user_exists = pdb_getsampwnam(sam_pass, user_name);
742 if (!user_exists) {
743 ret = asprintf(pp_err_str,
744 "Failed to add entry for user %s.\n",
745 user_name);
746 if (ret < 0) {
747 *pp_err_str = NULL;
748 }
749 result = NT_STATUS_UNSUCCESSFUL;
750 goto done;
751 }
752 }
753
754 acb = pdb_get_acct_ctrl(sam_pass);
755
756 /*
757 * We are root - just write the new password
758 * and the valid last change time.
759 */
760 if ((local_flags & LOCAL_SET_NO_PASSWORD) && !(acb & ACB_PWNOTREQ)) {
761 acb |= ACB_PWNOTREQ;
762 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
763 ret = asprintf(pp_err_str,
764 "Failed to set 'no password required' "
765 "flag for user %s.\n", user_name);
766 if (ret < 0) {
767 *pp_err_str = NULL;
768 }
769 result = NT_STATUS_UNSUCCESSFUL;
770 goto done;
771 }
772 }
773
774 if (local_flags & LOCAL_SET_PASSWORD) {
775 /*
776 * If we're dealing with setting a completely empty user account
777 * ie. One with a password of 'XXXX', but not set disabled (like
778 * an account created from scratch) then if the old password was
779 * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
780 * We remove that as we're giving this user their first password
781 * and the decision hasn't really been made to disable them (ie.
782 * don't create them disabled). JRA.
783 */
784 if ((pdb_get_lanman_passwd(sam_pass) == NULL) &&
785 (acb & ACB_DISABLED)) {
786 acb &= (~ACB_DISABLED);
787 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
788 ret = asprintf(pp_err_str,
789 "Failed to unset 'disabled' "
790 "flag for user %s.\n",
791 user_name);
792 if (ret < 0) {
793 *pp_err_str = NULL;
794 }
795 result = NT_STATUS_UNSUCCESSFUL;
796 goto done;
797 }
798 }
799
800 acb &= (~ACB_PWNOTREQ);
801 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
802 ret = asprintf(pp_err_str,
803 "Failed to unset 'no password required'"
804 " flag for user %s.\n", user_name);
805 if (ret < 0) {
806 *pp_err_str = NULL;
807 }
808 result = NT_STATUS_UNSUCCESSFUL;
809 goto done;
810 }
811
812 if (!pdb_set_plaintext_passwd(sam_pass, new_passwd)) {
813 ret = asprintf(pp_err_str,
814 "Failed to set password for "
815 "user %s.\n", user_name);
816 if (ret < 0) {
817 *pp_err_str = NULL;
818 }
819 result = NT_STATUS_UNSUCCESSFUL;
820 goto done;
821 }
822 }
823
824 if ((local_flags & LOCAL_DISABLE_USER) && !(acb & ACB_DISABLED)) {
825 acb |= ACB_DISABLED;
826 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
827 ret = asprintf(pp_err_str,
828 "Failed to set 'disabled' flag for "
829 "user %s.\n", user_name);
830 if (ret < 0) {
831 *pp_err_str = NULL;
832 }
833 result = NT_STATUS_UNSUCCESSFUL;
834 goto done;
835 }
836 }
837
838 if ((local_flags & LOCAL_ENABLE_USER) && (acb & ACB_DISABLED)) {
839 acb &= (~ACB_DISABLED);
840 if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
841 ret = asprintf(pp_err_str,
842 "Failed to unset 'disabled' flag for "
843 "user %s.\n", user_name);
844 if (ret < 0) {
845 *pp_err_str = NULL;
846 }
847 result = NT_STATUS_UNSUCCESSFUL;
848 goto done;
849 }
850 }
851
852 /* now commit changes if any */
853 result = pdb_update_sam_account(sam_pass);
854 if (!NT_STATUS_IS_OK(result)) {
855 ret = asprintf(pp_err_str,
856 "Failed to modify entry for user %s.\n",
857 user_name);
858 if (ret < 0) {
859 *pp_err_str = NULL;
860 }
861 goto done;
862 }
863
864 if (local_flags & LOCAL_ADD_USER) {
865 ret = asprintf(pp_msg_str, "Added user %s.\n", user_name);
866 } else if (local_flags & LOCAL_DISABLE_USER) {
867 ret = asprintf(pp_msg_str, "Disabled user %s.\n", user_name);
868 } else if (local_flags & LOCAL_ENABLE_USER) {
869 ret = asprintf(pp_msg_str, "Enabled user %s.\n", user_name);
870 } else if (local_flags & LOCAL_SET_NO_PASSWORD) {
871 ret = asprintf(pp_msg_str,
872 "User %s password set to none.\n", user_name);
873 }
874
875 if (ret < 0) {
876 *pp_msg_str = NULL;
877 }
878
879 result = NT_STATUS_OK;
880
881 done:
882 TALLOC_FREE(sam_pass);
883 return result;
884 }
885
886 /**********************************************************************
887 Marshall/unmarshall struct samu structs.
888 *********************************************************************/
889
890 #define SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
891 #define SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
892 #define SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
893 #define SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
894 /* nothing changed between V3 and V4 */
895
896 /*********************************************************************
897 *********************************************************************/
898
899 static bool init_samu_from_buffer_v0(struct samu *sampass, uint8 *buf, uint32 buflen)
900 {
901
902 /* times are stored as 32bit integer
903 take care on system with 64bit wide time_t
904 --SSS */
905 uint32 logon_time,
906 logoff_time,
907 kickoff_time,
908 pass_last_set_time,
909 pass_can_change_time,
910 pass_must_change_time;
911 char *username = NULL;
912 char *domain = NULL;
913 char *nt_username = NULL;
914 char *dir_drive = NULL;
915 char *unknown_str = NULL;
916 char *munged_dial = NULL;
917 char *fullname = NULL;
918 char *homedir = NULL;
919 char *logon_script = NULL;
920 char *profile_path = NULL;
921 char *acct_desc = NULL;
922 char *workstations = NULL;
923 uint32 username_len, domain_len, nt_username_len,
924 dir_drive_len, unknown_str_len, munged_dial_len,
925 fullname_len, homedir_len, logon_script_len,
926 profile_path_len, acct_desc_len, workstations_len;
927
928 uint32 user_rid, group_rid, remove_me, hours_len, unknown_6;
929 uint16 acct_ctrl, logon_divs;
930 uint16 bad_password_count, logon_count;
931 uint8 *hours = NULL;
932 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
933 uint32 len = 0;
934 uint32 lm_pw_len, nt_pw_len, hourslen;
935 bool ret = True;
936
937 if(sampass == NULL || buf == NULL) {
938 DEBUG(0, ("init_samu_from_buffer_v0: NULL parameters found!\n"));
939 return False;
940 }
941
942 /* SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */
943
944 /* unpack the buffer into variables */
945 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V0,
946 &logon_time, /* d */
947 &logoff_time, /* d */
948 &kickoff_time, /* d */
949 &pass_last_set_time, /* d */
950 &pass_can_change_time, /* d */
951 &pass_must_change_time, /* d */
952 &username_len, &username, /* B */
953 &domain_len, &domain, /* B */
954 &nt_username_len, &nt_username, /* B */
955 &fullname_len, &fullname, /* B */
956 &homedir_len, &homedir, /* B */
957 &dir_drive_len, &dir_drive, /* B */
958 &logon_script_len, &logon_script, /* B */
959 &profile_path_len, &profile_path, /* B */
960 &acct_desc_len, &acct_desc, /* B */
961 &workstations_len, &workstations, /* B */
962 &unknown_str_len, &unknown_str, /* B */
963 &munged_dial_len, &munged_dial, /* B */
964 &user_rid, /* d */
965 &group_rid, /* d */
966 &lm_pw_len, &lm_pw_ptr, /* B */
967 &nt_pw_len, &nt_pw_ptr, /* B */
968 &acct_ctrl, /* w */
969 &remove_me, /* remove on the next TDB_FORMAT upgarde */ /* d */
970 &logon_divs, /* w */
971 &hours_len, /* d */
972 &hourslen, &hours, /* B */
973 &bad_password_count, /* w */
974 &logon_count, /* w */
975 &unknown_6); /* d */
976
977 if (len == (uint32) -1) {
978 ret = False;
979 goto done;
980 }
981
982 pdb_set_logon_time(sampass, logon_time, PDB_SET);
983 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
984 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
985 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
986 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
987 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
988
989 pdb_set_username(sampass, username, PDB_SET);
990 pdb_set_domain(sampass, domain, PDB_SET);
991 pdb_set_nt_username(sampass, nt_username, PDB_SET);
992 pdb_set_fullname(sampass, fullname, PDB_SET);
993
994 if (homedir) {
995 pdb_set_homedir(sampass, homedir, PDB_SET);
996 }
997 else {
998 pdb_set_homedir(sampass,
999 talloc_sub_basic(sampass, username, domain,
1000 lp_logon_home()),
1001 PDB_DEFAULT);
1002 }
1003
1004 if (dir_drive)
1005 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1006 else {
1007 pdb_set_dir_drive(sampass,
1008 talloc_sub_basic(sampass, username, domain,
1009 lp_logon_drive()),
1010 PDB_DEFAULT);
1011 }
1012
1013 if (logon_script)
1014 pdb_set_logon_script(sampass, logon_script, PDB_SET);
1015 else {
1016 pdb_set_logon_script(sampass,
1017 talloc_sub_basic(sampass, username, domain,
1018 lp_logon_script()),
1019 PDB_DEFAULT);
1020 }
1021
1022 if (profile_path) {
1023 pdb_set_profile_path(sampass, profile_path, PDB_SET);
1024 } else {
1025 pdb_set_profile_path(sampass,
1026 talloc_sub_basic(sampass, username, domain,
1027 lp_logon_path()),
1028 PDB_DEFAULT);
1029 }
1030
1031 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1032 pdb_set_workstations(sampass, workstations, PDB_SET);
1033 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1034
1035 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1036 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1037 ret = False;
1038 goto done;
1039 }
1040 }
1041
1042 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1043 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1044 ret = False;
1045 goto done;
1046 }
1047 }
1048
1049 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1050 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1051 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1052 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1053 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1054 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1055 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1056 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1057 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1058 pdb_set_hours(sampass, hours, PDB_SET);
1059
1060 done:
1061
1062 SAFE_FREE(username);
1063 SAFE_FREE(domain);
1064 SAFE_FREE(nt_username);
1065 SAFE_FREE(fullname);
1066 SAFE_FREE(homedir);
1067 SAFE_FREE(dir_drive);
1068 SAFE_FREE(logon_script);
1069 SAFE_FREE(profile_path);
1070 SAFE_FREE(acct_desc);
1071 SAFE_FREE(workstations);
1072 SAFE_FREE(munged_dial);
1073 SAFE_FREE(unknown_str);
1074 SAFE_FREE(lm_pw_ptr);
1075 SAFE_FREE(nt_pw_ptr);
1076 SAFE_FREE(hours);
1077
1078 return ret;
1079 }
1080
1081 /*********************************************************************
1082 *********************************************************************/
1083
1084 static bool init_samu_from_buffer_v1(struct samu *sampass, uint8 *buf, uint32 buflen)
1085 {
1086
1087 /* times are stored as 32bit integer
1088 take care on system with 64bit wide time_t
1089 --SSS */
1090 uint32 logon_time,
1091 logoff_time,
1092 kickoff_time,
1093 bad_password_time,
1094 pass_last_set_time,
1095 pass_can_change_time,
1096 pass_must_change_time;
1097 char *username = NULL;
1098 char *domain = NULL;
1099 char *nt_username = NULL;
1100 char *dir_drive = NULL;
1101 char *unknown_str = NULL;
1102 char *munged_dial = NULL;
1103 char *fullname = NULL;
1104 char *homedir = NULL;
1105 char *logon_script = NULL;
1106 char *profile_path = NULL;
1107 char *acct_desc = NULL;
1108 char *workstations = NULL;
1109 uint32 username_len, domain_len, nt_username_len,
1110 dir_drive_len, unknown_str_len, munged_dial_len,
1111 fullname_len, homedir_len, logon_script_len,
1112 profile_path_len, acct_desc_len, workstations_len;
1113
1114 uint32 user_rid, group_rid, remove_me, hours_len, unknown_6;
1115 uint16 acct_ctrl, logon_divs;
1116 uint16 bad_password_count, logon_count;
1117 uint8 *hours = NULL;
1118 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
1119 uint32 len = 0;
1120 uint32 lm_pw_len, nt_pw_len, hourslen;
1121 bool ret = True;
1122
1123 if(sampass == NULL || buf == NULL) {
1124 DEBUG(0, ("init_samu_from_buffer_v1: NULL parameters found!\n"));
1125 return False;
1126 }
1127
1128 /* SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */
1129
1130 /* unpack the buffer into variables */
1131 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V1,
1132 &logon_time, /* d */
1133 &logoff_time, /* d */
1134 &kickoff_time, /* d */
1135 /* Change from V0 is addition of bad_password_time field. */
1136 &bad_password_time, /* d */
1137 &pass_last_set_time, /* d */
1138 &pass_can_change_time, /* d */
1139 &pass_must_change_time, /* d */
1140 &username_len, &username, /* B */
1141 &domain_len, &domain, /* B */
1142 &nt_username_len, &nt_username, /* B */
1143 &fullname_len, &fullname, /* B */
1144 &homedir_len, &homedir, /* B */
1145 &dir_drive_len, &dir_drive, /* B */
1146 &logon_script_len, &logon_script, /* B */
1147 &profile_path_len, &profile_path, /* B */
1148 &acct_desc_len, &acct_desc, /* B */
1149 &workstations_len, &workstations, /* B */
1150 &unknown_str_len, &unknown_str, /* B */
1151 &munged_dial_len, &munged_dial, /* B */
1152 &user_rid, /* d */
1153 &group_rid, /* d */
1154 &lm_pw_len, &lm_pw_ptr, /* B */
1155 &nt_pw_len, &nt_pw_ptr, /* B */
1156 &acct_ctrl, /* w */
1157 &remove_me, /* d */
1158 &logon_divs, /* w */
1159 &hours_len, /* d */
1160 &hourslen, &hours, /* B */
1161 &bad_password_count, /* w */
1162 &logon_count, /* w */
1163 &unknown_6); /* d */
1164
1165 if (len == (uint32) -1) {
1166 ret = False;
1167 goto done;
1168 }
1169
1170 pdb_set_logon_time(sampass, logon_time, PDB_SET);
1171 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1172 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1173
1174 /* Change from V0 is addition of bad_password_time field. */
1175 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1176 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1177 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
1178 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1179
1180 pdb_set_username(sampass, username, PDB_SET);
1181 pdb_set_domain(sampass, domain, PDB_SET);
1182 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1183 pdb_set_fullname(sampass, fullname, PDB_SET);
1184
1185 if (homedir) {
1186 pdb_set_homedir(sampass, homedir, PDB_SET);
1187 }
1188 else {
1189 pdb_set_homedir(sampass,
1190 talloc_sub_basic(sampass, username, domain,
1191 lp_logon_home()),
1192 PDB_DEFAULT);
1193 }
1194
1195 if (dir_drive)
1196 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1197 else {
1198 pdb_set_dir_drive(sampass,
1199 talloc_sub_basic(sampass, username, domain,
1200 lp_logon_drive()),
1201 PDB_DEFAULT);
1202 }
1203
1204 if (logon_script)
1205 pdb_set_logon_script(sampass, logon_script, PDB_SET);
1206 else {
1207 pdb_set_logon_script(sampass,
1208 talloc_sub_basic(sampass, username, domain,
1209 lp_logon_script()),
1210 PDB_DEFAULT);
1211 }
1212
1213 if (profile_path) {
1214 pdb_set_profile_path(sampass, profile_path, PDB_SET);
1215 } else {
1216 pdb_set_profile_path(sampass,
1217 talloc_sub_basic(sampass, username, domain,
1218 lp_logon_path()),
1219 PDB_DEFAULT);
1220 }
1221
1222 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1223 pdb_set_workstations(sampass, workstations, PDB_SET);
1224 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1225
1226 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1227 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1228 ret = False;
1229 goto done;
1230 }
1231 }
1232
1233 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1234 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1235 ret = False;
1236 goto done;
1237 }
1238 }
1239
1240 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1241
1242 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1243 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1244 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1245 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1246 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1247 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1248 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1249 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1250 pdb_set_hours(sampass, hours, PDB_SET);
1251
1252 done:
1253
1254 SAFE_FREE(username);
1255 SAFE_FREE(domain);
1256 SAFE_FREE(nt_username);
1257 SAFE_FREE(fullname);
1258 SAFE_FREE(homedir);
1259 SAFE_FREE(dir_drive);
1260 SAFE_FREE(logon_script);
1261 SAFE_FREE(profile_path);
1262 SAFE_FREE(acct_desc);
1263 SAFE_FREE(workstations);
1264 SAFE_FREE(munged_dial);
1265 SAFE_FREE(unknown_str);
1266 SAFE_FREE(lm_pw_ptr);
1267 SAFE_FREE(nt_pw_ptr);
1268 SAFE_FREE(hours);
1269
1270 return ret;
1271 }
1272
1273 static bool init_samu_from_buffer_v2(struct samu *sampass, uint8 *buf, uint32 buflen)
1274 {
1275
1276 /* times are stored as 32bit integer
1277 take care on system with 64bit wide time_t
1278 --SSS */
1279 uint32 logon_time,
1280 logoff_time,
1281 kickoff_time,
1282 bad_password_time,
1283 pass_last_set_time,
1284 pass_can_change_time,
1285 pass_must_change_time;
1286 char *username = NULL;
1287 char *domain = NULL;
1288 char *nt_username = NULL;
1289 char *dir_drive = NULL;
1290 char *unknown_str = NULL;
1291 char *munged_dial = NULL;
1292 char *fullname = NULL;
1293 char *homedir = NULL;
1294 char *logon_script = NULL;
1295 char *profile_path = NULL;
1296 char *acct_desc = NULL;
1297 char *workstations = NULL;
1298 uint32 username_len, domain_len, nt_username_len,
1299 dir_drive_len, unknown_str_len, munged_dial_len,
1300 fullname_len, homedir_len, logon_script_len,
1301 profile_path_len, acct_desc_len, workstations_len;
1302
1303 uint32 user_rid, group_rid, hours_len, unknown_6;
1304 uint16 acct_ctrl, logon_divs;
1305 uint16 bad_password_count, logon_count;
1306 uint8 *hours = NULL;
1307 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1308 uint32 len = 0;
1309 uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1310 uint32 pwHistLen = 0;
1311 bool ret = True;
1312 fstring tmp_string;
1313 bool expand_explicit = lp_passdb_expand_explicit();
1314
1315 if(sampass == NULL || buf == NULL) {
1316 DEBUG(0, ("init_samu_from_buffer_v2: NULL parameters found!\n"));
1317 return False;
1318 }
1319
1320 /* SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */
1321
1322 /* unpack the buffer into variables */
1323 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V2,
1324 &logon_time, /* d */
1325 &logoff_time, /* d */
1326 &kickoff_time, /* d */
1327 &bad_password_time, /* d */
1328 &pass_last_set_time, /* d */
1329 &pass_can_change_time, /* d */
1330 &pass_must_change_time, /* d */
1331 &username_len, &username, /* B */
1332 &domain_len, &domain, /* B */
1333 &nt_username_len, &nt_username, /* B */
1334 &fullname_len, &fullname, /* B */
1335 &homedir_len, &homedir, /* B */
1336 &dir_drive_len, &dir_drive, /* B */
1337 &logon_script_len, &logon_script, /* B */
1338 &profile_path_len, &profile_path, /* B */
1339 &acct_desc_len, &acct_desc, /* B */
1340 &workstations_len, &workstations, /* B */
1341 &unknown_str_len, &unknown_str, /* B */
1342 &munged_dial_len, &munged_dial, /* B */
1343 &user_rid, /* d */
1344 &group_rid, /* d */
1345 &lm_pw_len, &lm_pw_ptr, /* B */
1346 &nt_pw_len, &nt_pw_ptr, /* B */
1347 /* Change from V1 is addition of password history field. */
1348 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
1349 &acct_ctrl, /* w */
1350 /* Also "remove_me" field was removed. */
1351 &logon_divs, /* w */
1352 &hours_len, /* d */
1353 &hourslen, &hours, /* B */
1354 &bad_password_count, /* w */
1355 &logon_count, /* w */
1356 &unknown_6); /* d */
1357
1358 if (len == (uint32) -1) {
1359 ret = False;
1360 goto done;
1361 }
1362
1363 pdb_set_logon_time(sampass, logon_time, PDB_SET);
1364 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1365 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1366 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1367 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1368 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
1369 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1370
1371 pdb_set_username(sampass, username, PDB_SET);
1372 pdb_set_domain(sampass, domain, PDB_SET);
1373 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1374 pdb_set_fullname(sampass, fullname, PDB_SET);
1375
1376 if (homedir) {
1377 fstrcpy( tmp_string, homedir );
1378 if (expand_explicit) {
1379 standard_sub_basic( username, domain, tmp_string,
1380 sizeof(tmp_string) );
1381 }
1382 pdb_set_homedir(sampass, tmp_string, PDB_SET);
1383 }
1384 else {
1385 pdb_set_homedir(sampass,
1386 talloc_sub_basic(sampass, username, domain,
1387 lp_logon_home()),
1388 PDB_DEFAULT);
1389 }
1390
1391 if (dir_drive)
1392 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1393 else
1394 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1395
1396 if (logon_script) {
1397 fstrcpy( tmp_string, logon_script );
1398 if (expand_explicit) {
1399 standard_sub_basic( username, domain, tmp_string,
1400 sizeof(tmp_string) );
1401 }
1402 pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1403 }
1404 else {
1405 pdb_set_logon_script(sampass,
1406 talloc_sub_basic(sampass, username, domain,
1407 lp_logon_script()),
1408 PDB_DEFAULT);
1409 }
1410
1411 if (profile_path) {
1412 fstrcpy( tmp_string, profile_path );
1413 if (expand_explicit) {
1414 standard_sub_basic( username, domain, tmp_string,
1415 sizeof(tmp_string) );
1416 }
1417 pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1418 }
1419 else {
1420 pdb_set_profile_path(sampass,
1421 talloc_sub_basic(sampass, username, domain,
1422 lp_logon_path()),
1423 PDB_DEFAULT);
1424 }
1425
1426 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1427 pdb_set_workstations(sampass, workstations, PDB_SET);
1428 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1429
1430 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1431 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1432 ret = False;
1433 goto done;
1434 }
1435 }
1436
1437 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1438 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1439 ret = False;
1440 goto done;
1441 }
1442 }
1443
1444 /* Change from V1 is addition of password history field. */
1445 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1446 if (pwHistLen) {
1447 uint8 *pw_hist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN);
1448 if (!pw_hist) {
1449 ret = False;
1450 goto done;
1451 }
1452 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1453 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1454 int i;
1455 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1456 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1457 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1458 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1459 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1460 PW_HISTORY_ENTRY_LEN);
1461 }
1462 }
1463 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1464 SAFE_FREE(pw_hist);
1465 ret = False;
1466 goto done;
1467 }
1468 SAFE_FREE(pw_hist);
1469 } else {
1470 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1471 }
1472
1473 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1474 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1475 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1476 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1477 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1478 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1479 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1480 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1481 pdb_set_hours(sampass, hours, PDB_SET);
1482
1483 done:
1484
1485 SAFE_FREE(username);
1486 SAFE_FREE(domain);
1487 SAFE_FREE(nt_username);
1488 SAFE_FREE(fullname);
1489 SAFE_FREE(homedir);
1490 SAFE_FREE(dir_drive);
1491 SAFE_FREE(logon_script);
1492 SAFE_FREE(profile_path);
1493 SAFE_FREE(acct_desc);
1494 SAFE_FREE(workstations);
1495 SAFE_FREE(munged_dial);
1496 SAFE_FREE(unknown_str);
1497 SAFE_FREE(lm_pw_ptr);
1498 SAFE_FREE(nt_pw_ptr);
1499 SAFE_FREE(nt_pw_hist_ptr);
1500 SAFE_FREE(hours);
1501
1502 return ret;
1503 }
1504
1505 /*********************************************************************
1506 *********************************************************************/
1507
1508 static bool init_samu_from_buffer_v3(struct samu *sampass, uint8 *buf, uint32 buflen)
1509 {
1510
1511 /* times are stored as 32bit integer
1512 take care on system with 64bit wide time_t
1513 --SSS */
1514 uint32 logon_time,
1515 logoff_time,
1516 kickoff_time,
1517 bad_password_time,
1518 pass_last_set_time,
1519 pass_can_change_time,
1520 pass_must_change_time;
1521 char *username = NULL;
1522 char *domain = NULL;
1523 char *nt_username = NULL;
1524 char *dir_drive = NULL;
1525 char *unknown_str = NULL;
1526 char *munged_dial = NULL;
1527 char *fullname = NULL;
1528 char *homedir = NULL;
1529 char *logon_script = NULL;
1530 char *profile_path = NULL;
1531 char *acct_desc = NULL;
1532 char *workstations = NULL;
1533 uint32 username_len, domain_len, nt_username_len,
1534 dir_drive_len, unknown_str_len, munged_dial_len,
1535 fullname_len, homedir_len, logon_script_len,
1536 profile_path_len, acct_desc_len, workstations_len;
1537
1538 uint32 user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
1539 uint16 logon_divs;
1540 uint16 bad_password_count, logon_count;
1541 uint8 *hours = NULL;
1542 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1543 uint32 len = 0;
1544 uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1545 uint32 pwHistLen = 0;
1546 bool ret = True;
1547 fstring tmp_string;
1548 bool expand_explicit = lp_passdb_expand_explicit();
1549
1550 if(sampass == NULL || buf == NULL) {
1551 DEBUG(0, ("init_samu_from_buffer_v3: NULL parameters found!\n"));
1552 return False;
1553 }
1554
1555 /* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1556
1557 /* unpack the buffer into variables */
1558 len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V3,
1559 &logon_time, /* d */
1560 &logoff_time, /* d */
1561 &kickoff_time, /* d */
1562 &bad_password_time, /* d */
1563 &pass_last_set_time, /* d */
1564 &pass_can_change_time, /* d */
1565 &pass_must_change_time, /* d */
1566 &username_len, &username, /* B */
1567 &domain_len, &domain, /* B */
1568 &nt_username_len, &nt_username, /* B */
1569 &fullname_len, &fullname, /* B */
1570 &homedir_len, &homedir, /* B */
1571 &dir_drive_len, &dir_drive, /* B */
1572 &logon_script_len, &logon_script, /* B */
1573 &profile_path_len, &profile_path, /* B */
1574 &acct_desc_len, &acct_desc, /* B */
1575 &workstations_len, &workstations, /* B */
1576 &unknown_str_len, &unknown_str, /* B */
1577 &munged_dial_len, &munged_dial, /* B */
1578 &user_rid, /* d */
1579 &group_rid, /* d */
1580 &lm_pw_len, &lm_pw_ptr, /* B */
1581 &nt_pw_len, &nt_pw_ptr, /* B */
1582 /* Change from V1 is addition of password history field. */
1583 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
1584 /* Change from V2 is the uint32 acb_mask */
1585 &acct_ctrl, /* d */
1586 /* Also "remove_me" field was removed. */
1587 &logon_divs, /* w */
1588 &hours_len, /* d */
1589 &hourslen, &hours, /* B */
1590 &bad_password_count, /* w */
1591 &logon_count, /* w */
1592 &unknown_6); /* d */
1593
1594 if (len == (uint32) -1) {
1595 ret = False;
1596 goto done;
1597 }
1598
1599 pdb_set_logon_time(sampass, convert_uint32_to_time_t(logon_time), PDB_SET);
1600 pdb_set_logoff_time(sampass, convert_uint32_to_time_t(logoff_time), PDB_SET);
1601 pdb_set_kickoff_time(sampass, convert_uint32_to_time_t(kickoff_time), PDB_SET);
1602 pdb_set_bad_password_time(sampass, convert_uint32_to_time_t(bad_password_time), PDB_SET);
1603 pdb_set_pass_can_change_time(sampass, convert_uint32_to_time_t(pass_can_change_time), PDB_SET);
1604 pdb_set_pass_must_change_time(sampass, convert_uint32_to_time_t(pass_must_change_time), PDB_SET);
1605 pdb_set_pass_last_set_time(sampass, convert_uint32_to_time_t(pass_last_set_time), PDB_SET);
1606
1607 pdb_set_username(sampass, username, PDB_SET);
1608 pdb_set_domain(sampass, domain, PDB_SET);
1609 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1610 pdb_set_fullname(sampass, fullname, PDB_SET);
1611
1612 if (homedir) {
1613 fstrcpy( tmp_string, homedir );
1614 if (expand_explicit) {
1615 standard_sub_basic( username, domain, tmp_string,
1616 sizeof(tmp_string) );
1617 }
1618 pdb_set_homedir(sampass, tmp_string, PDB_SET);
1619 }
1620 else {
1621 pdb_set_homedir(sampass,
1622 talloc_sub_basic(sampass, username, domain,
1623 lp_logon_home()),
1624 PDB_DEFAULT);
1625 }
1626
1627 if (dir_drive)
1628 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1629 else
1630 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1631
1632 if (logon_script) {
1633 fstrcpy( tmp_string, logon_script );
1634 if (expand_explicit) {
1635 standard_sub_basic( username, domain, tmp_string,
1636 sizeof(tmp_string) );
1637 }
1638 pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1639 }
1640 else {
1641 pdb_set_logon_script(sampass,
1642 talloc_sub_basic(sampass, username, domain,
1643 lp_logon_script()),
1644 PDB_DEFAULT);
1645 }
1646
1647 if (profile_path) {
1648 fstrcpy( tmp_string, profile_path );
1649 if (expand_explicit) {
1650 standard_sub_basic( username, domain, tmp_string,
1651 sizeof(tmp_string) );
1652 }
1653 pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1654 }
1655 else {
1656 pdb_set_profile_path(sampass,
1657 talloc_sub_basic(sampass, username, domain, lp_logon_path()),
1658 PDB_DEFAULT);
1659 }
1660
1661 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1662 pdb_set_workstations(sampass, workstations, PDB_SET);
1663 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1664
1665 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1666 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1667 ret = False;
1668 goto done;
1669 }
1670 }
1671
1672 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1673 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1674 ret = False;
1675 goto done;
1676 }
1677 }
1678
1679 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1680 if (pwHistLen) {
1681 uint8 *pw_hist = (uint8 *)SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
1682 if (!pw_hist) {
1683 ret = False;
1684 goto done;
1685 }
1686 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1687 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1688 int i;
1689 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1690 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1691 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1692 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1693 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1694 PW_HISTORY_ENTRY_LEN);
1695 }
1696 }
1697 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1698 SAFE_FREE(pw_hist);
1699 ret = False;
1700 goto done;
1701 }
1702 SAFE_FREE(pw_hist);
1703 } else {
1704 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1705 }
1706
1707 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1708 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1709 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1710 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1711 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1712 /* Change from V2 is the uint32 acct_ctrl */
1713 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1714 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1715 pdb_set_hours(sampass, hours, PDB_SET);
1716
1717 done:
1718
1719 SAFE_FREE(username);
1720 SAFE_FREE(domain);
1721 SAFE_FREE(nt_username);
1722 SAFE_FREE(fullname);
1723 SAFE_FREE(homedir);
1724 SAFE_FREE(dir_drive);
1725 SAFE_FREE(logon_script);
1726 SAFE_FREE(profile_path);
1727 SAFE_FREE(acct_desc);
1728 SAFE_FREE(workstations);
1729 SAFE_FREE(munged_dial);
1730 SAFE_FREE(unknown_str);
1731 SAFE_FREE(lm_pw_ptr);
1732 SAFE_FREE(nt_pw_ptr);
1733 SAFE_FREE(nt_pw_hist_ptr);
1734 SAFE_FREE(hours);
1735
1736 return ret;
1737 }
1738
1739 /*********************************************************************
1740 *********************************************************************/
1741
1742 static uint32 init_buffer_from_samu_v3 (uint8 **buf, struct samu *sampass, bool size_only)
1743 {
1744 size_t len, buflen;
1745
1746 /* times are stored as 32bit integer
1747 take care on system with 64bit wide time_t
1748 --SSS */
1749 uint32 logon_time,
1750 logoff_time,
1751 kickoff_time,
1752 bad_password_time,
1753 pass_last_set_time,
1754 pass_can_change_time,
1755 pass_must_change_time;
1756
1757 uint32 user_rid, group_rid;
1758
1759 const char *username;
1760 const char *domain;
1761 const char *nt_username;
1762 const char *dir_drive;
1763 const char *unknown_str;
1764 const char *munged_dial;
1765 const char *fullname;
1766 const char *homedir;
1767 const char *logon_script;
1768 const char *profile_path;
1769 const char *acct_desc;
1770 const char *workstations;
1771 uint32 username_len, domain_len, nt_username_len,
1772 dir_drive_len, unknown_str_len, munged_dial_len,
1773 fullname_len, homedir_len, logon_script_len,
1774 profile_path_len, acct_desc_len, workstations_len;
1775
1776 const uint8 *lm_pw;
1777 const uint8 *nt_pw;
1778 const uint8 *nt_pw_hist;
1779 uint32 lm_pw_len = 16;
1780 uint32 nt_pw_len = 16;
1781 uint32 nt_pw_hist_len;
1782 uint32 pwHistLen = 0;
1783
1784 *buf = NULL;
1785 buflen = 0;
1786
1787 logon_time = convert_time_t_to_uint32(pdb_get_logon_time(sampass));
1788 logoff_time = convert_time_t_to_uint32(pdb_get_logoff_time(sampass));
1789 kickoff_time = convert_time_t_to_uint32(pdb_get_kickoff_time(sampass));
1790 bad_password_time = convert_time_t_to_uint32(pdb_get_bad_password_time(sampass));
1791 pass_can_change_time = convert_time_t_to_uint32(pdb_get_pass_can_change_time_noncalc(sampass));
1792 pass_must_change_time = convert_time_t_to_uint32(pdb_get_pass_must_change_time(sampass));
1793 pass_last_set_time = convert_time_t_to_uint32(pdb_get_pass_last_set_time(sampass));
1794
1795 user_rid = pdb_get_user_rid(sampass);
1796 group_rid = pdb_get_group_rid(sampass);
1797
1798 username = pdb_get_username(sampass);
1799 if (username) {
1800 username_len = strlen(username) +1;
1801 } else {
1802 username_len = 0;
1803 }
1804
1805 domain = pdb_get_domain(sampass);
1806 if (domain) {
1807 domain_len = strlen(domain) +1;
1808 } else {
1809 domain_len = 0;
1810 }
1811
1812 nt_username = pdb_get_nt_username(sampass);
1813 if (nt_username) {
1814 nt_username_len = strlen(nt_username) +1;
1815 } else {
1816 nt_username_len = 0;
1817 }
1818
1819 fullname = pdb_get_fullname(sampass);
1820 if (fullname) {
1821 fullname_len = strlen(fullname) +1;
1822 } else {
1823 fullname_len = 0;
1824 }
1825
1826 /*
1827 * Only updates fields which have been set (not defaults from smb.conf)
1828 */
1829
1830 if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1831 dir_drive = pdb_get_dir_drive(sampass);
1832 } else {
1833 dir_drive = NULL;
1834 }
1835 if (dir_drive) {
1836 dir_drive_len = strlen(dir_drive) +1;
1837 } else {
1838 dir_drive_len = 0;
1839 }
1840
1841 if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1842 homedir = pdb_get_homedir(sampass);
1843 } else {
1844 homedir = NULL;
1845 }
1846 if (homedir) {
1847 homedir_len = strlen(homedir) +1;
1848 } else {
1849 homedir_len = 0;
1850 }
1851
1852 if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1853 logon_script = pdb_get_logon_script(sampass);
1854 } else {
1855 logon_script = NULL;
1856 }
1857 if (logon_script) {
1858 logon_script_len = strlen(logon_script) +1;
1859 } else {
1860 logon_script_len = 0;
1861 }
1862
1863 if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1864 profile_path = pdb_get_profile_path(sampass);
1865 } else {
1866 profile_path = NULL;
1867 }
1868 if (profile_path) {
1869 profile_path_len = strlen(profile_path) +1;
1870 } else {
1871 profile_path_len = 0;
1872 }
1873
1874 lm_pw = pdb_get_lanman_passwd(sampass);
1875 if (!lm_pw) {
1876 lm_pw_len = 0;
1877 }
1878
1879 nt_pw = pdb_get_nt_passwd(sampass);
1880 if (!nt_pw) {
1881 nt_pw_len = 0;
1882 }
1883
1884 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1885 nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
1886 if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1887 nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1888 } else {
1889 nt_pw_hist_len = 0;
1890 }
1891
1892 acct_desc = pdb_get_acct_desc(sampass);
1893 if (acct_desc) {
1894 acct_desc_len = strlen(acct_desc) +1;
1895 } else {
1896 acct_desc_len = 0;
1897 }
1898
1899 workstations = pdb_get_workstations(sampass);
1900 if (workstations) {
1901 workstations_len = strlen(workstations) +1;
1902 } else {
1903 workstations_len = 0;
1904 }
1905
1906 unknown_str = NULL;
1907 unknown_str_len = 0;
1908
1909 munged_dial = pdb_get_munged_dial(sampass);
1910 if (munged_dial) {
1911 munged_dial_len = strlen(munged_dial) +1;
1912 } else {
1913 munged_dial_len = 0;
1914 }
1915
1916 /* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1917
1918 /* one time to get the size needed */
1919 len = tdb_pack(NULL, 0, SAMU_BUFFER_FORMAT_V3,
1920 logon_time, /* d */
1921 logoff_time, /* d */
1922 kickoff_time, /* d */
1923 bad_password_time, /* d */
1924 pass_last_set_time, /* d */
1925 pass_can_change_time, /* d */
1926 pass_must_change_time, /* d */
1927 username_len, username, /* B */
1928 domain_len, domain, /* B */
1929 nt_username_len, nt_username, /* B */
1930 fullname_len, fullname, /* B */
1931 homedir_len, homedir, /* B */
1932 dir_drive_len, dir_drive, /* B */
1933 logon_script_len, logon_script, /* B */
1934 profile_path_len, profile_path, /* B */
1935 acct_desc_len, acct_desc, /* B */
1936 workstations_len, workstations, /* B */
1937 unknown_str_len, unknown_str, /* B */
1938 munged_dial_len, munged_dial, /* B */
1939 user_rid, /* d */
1940 group_rid, /* d */
1941 lm_pw_len, lm_pw, /* B */
1942 nt_pw_len, nt_pw, /* B */
1943 nt_pw_hist_len, nt_pw_hist, /* B */
1944 pdb_get_acct_ctrl(sampass), /* d */
1945 pdb_get_logon_divs(sampass), /* w */
1946 pdb_get_hours_len(sampass), /* d */
1947 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1948 pdb_get_bad_password_count(sampass), /* w */
1949 pdb_get_logon_count(sampass), /* w */
1950 pdb_get_unknown_6(sampass)); /* d */
1951
1952 if (size_only) {
1953 return buflen;
1954 }
1955
1956 /* malloc the space needed */
1957 if ( (*buf=(uint8*)SMB_MALLOC(len)) == NULL) {
1958 DEBUG(0,("init_buffer_from_samu_v3: Unable to malloc() memory for buffer!\n"));
1959 return (-1);
1960 }
1961
1962 /* now for the real call to tdb_pack() */
1963 buflen = tdb_pack(*buf, len, SAMU_BUFFER_FORMAT_V3,
1964 logon_time, /* d */
1965 logoff_time, /* d */
1966 kickoff_time, /* d */
1967 bad_password_time, /* d */
1968 pass_last_set_time, /* d */
1969 pass_can_change_time, /* d */
1970 pass_must_change_time, /* d */
1971 username_len, username, /* B */
1972 domain_len, domain, /* B */
1973 nt_username_len, nt_username, /* B */
1974 fullname_len, fullname, /* B */
1975 homedir_len, homedir, /* B */
1976 dir_drive_len, dir_drive, /* B */
1977 logon_script_len, logon_script, /* B */
1978 profile_path_len, profile_path, /* B */
1979 acct_desc_len, acct_desc, /* B */
1980 workstations_len, workstations, /* B */
1981 unknown_str_len, unknown_str, /* B */
1982 munged_dial_len, munged_dial, /* B */
1983 user_rid, /* d */
1984 group_rid, /* d */
1985 lm_pw_len, lm_pw, /* B */
1986 nt_pw_len, nt_pw, /* B */
1987 nt_pw_hist_len, nt_pw_hist, /* B */
1988 pdb_get_acct_ctrl(sampass), /* d */
1989 pdb_get_logon_divs(sampass), /* w */
1990 pdb_get_hours_len(sampass), /* d */
1991 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1992 pdb_get_bad_password_count(sampass), /* w */
1993 pdb_get_logon_count(sampass), /* w */
1994 pdb_get_unknown_6(sampass)); /* d */
1995
1996 /* check to make sure we got it correct */
1997 if (buflen != len) {
1998 DEBUG(0, ("init_buffer_from_samu_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
1999 (unsigned long)buflen, (unsigned long)len));
2000 /* error */
2001 SAFE_FREE (*buf);
2002 return (-1);
2003 }
2004
2005 return (buflen);
2006 }
2007
2008 static bool init_samu_from_buffer_v4(struct samu *sampass, uint8 *buf, uint32 buflen)
2009 {
2010 /* nothing changed between V3 and V4 */
2011 return init_samu_from_buffer_v3(sampass, buf, buflen);
2012 }
2013
2014 static uint32 init_buffer_from_samu_v4(uint8 **buf, struct samu *sampass, bool size_only)
2015 {
2016 /* nothing changed between V3 and V4 */
2017 return init_buffer_from_samu_v3(buf, sampass, size_only);
2018 }
2019
2020 /**********************************************************************
2021 Intialize a struct samu struct from a BYTE buffer of size len
2022 *********************************************************************/
2023
2024 bool init_samu_from_buffer(struct samu *sampass, uint32_t level,
2025 uint8 *buf, uint32 buflen)
2026 {
2027 switch (level) {
2028 case SAMU_BUFFER_V0:
2029 return init_samu_from_buffer_v0(sampass, buf, buflen);
2030 case SAMU_BUFFER_V1:
2031 return init_samu_from_buffer_v1(sampass, buf, buflen);
2032 case SAMU_BUFFER_V2:
2033 return init_samu_from_buffer_v2(sampass, buf, buflen);
2034 case SAMU_BUFFER_V3:
2035 return init_samu_from_buffer_v3(sampass, buf, buflen);
2036 case SAMU_BUFFER_V4:
2037 return init_samu_from_buffer_v4(sampass, buf, buflen);
2038 }
2039
2040 return false;
2041 }
2042
2043 /**********************************************************************
2044 Intialize a BYTE buffer from a struct samu struct
2045 *********************************************************************/
2046
2047 uint32 init_buffer_from_samu (uint8 **buf, struct samu *sampass, bool size_only)
2048 {
2049 return init_buffer_from_samu_v4(buf, sampass, size_only);
2050 }
2051
2052 /*********************************************************************
2053 *********************************************************************/
2054
2055 bool pdb_copy_sam_account(struct samu *dst, struct samu *src )
2056 {
2057 uint8 *buf = NULL;
2058 int len;
2059
2060 len = init_buffer_from_samu(&buf, src, False);
2061 if (len == -1 || !buf) {
2062 SAFE_FREE(buf);
2063 return False;
2064 }
2065
2066 if (!init_samu_from_buffer( dst, SAMU_BUFFER_LATEST, buf, len )) {
2067 free(buf);
2068 return False;
2069 }
2070
2071 dst->methods = src->methods;
2072
2073 if ( src->unix_pw ) {
2074 dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
2075 if (!dst->unix_pw) {
2076 free(buf);
2077 return False;
2078 }
2079 }
2080
2081 free(buf);
2082 return True;
2083 }
2084
2085 /*********************************************************************
2086 Update the bad password count checking the AP_RESET_COUNT_TIME
2087 *********************************************************************/
2088
2089 bool pdb_update_bad_password_count(struct samu *sampass, bool *updated)
2090 {
2091 time_t LastBadPassword;
2092 uint16 BadPasswordCount;
2093 uint32 resettime;
2094 bool res;
2095
2096 BadPasswordCount = pdb_get_bad_password_count(sampass);
2097 if (!BadPasswordCount) {
2098 DEBUG(9, ("No bad password attempts.\n"));
2099 return True;
2100 }
2101
2102 become_root();
2103 res = pdb_get_account_policy(AP_RESET_COUNT_TIME, &resettime);
2104 unbecome_root();
2105
2106 if (!res) {
2107 DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
2108 return False;
2109 }
2110
2111 /* First, check if there is a reset time to compare */
2112 if ((resettime == (uint32) -1) || (resettime == 0)) {
2113 DEBUG(9, ("No reset time, can't reset bad pw count\n"));
2114 return True;
2115 }
2116
2117 LastBadPassword = pdb_get_bad_password_time(sampass);
2118 DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
2119 (uint32) LastBadPassword, resettime, (uint32)time(NULL)));
2120 if (time(NULL) > (LastBadPassword + convert_uint32_to_time_t(resettime)*60)){
2121 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2122 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2123 if (updated) {
2124 *updated = True;
2125 }
2126 }
2127
2128 return True;
2129 }
2130
2131 /*********************************************************************
2132 Update the ACB_AUTOLOCK flag checking the AP_LOCK_ACCOUNT_DURATION
2133 *********************************************************************/
2134
2135 bool pdb_update_autolock_flag(struct samu *sampass, bool *updated)
2136 {
2137 uint32 duration;
2138 time_t LastBadPassword;
2139 bool res;
2140
2141 if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
2142 DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
2143 pdb_get_username(sampass)));
2144 return True;
2145 }
2146
2147 become_root();
2148 res = pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &duration);
2149 unbecome_root();
2150
2151 if (!res) {
2152 DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
2153 return False;
2154 }
2155
2156 /* First, check if there is a duration to compare */
2157 if ((duration == (uint32) -1) || (duration == 0)) {
2158 DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
2159 return True;
2160 }
2161
2162 LastBadPassword = pdb_get_bad_password_time(sampass);
2163 DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
2164 pdb_get_username(sampass), (uint32)LastBadPassword, duration*60, (uint32)time(NULL)));
2165
2166 if (LastBadPassword == (time_t)0) {
2167 DEBUG(1,("pdb_update_autolock_flag: Account %s "
2168 "administratively locked out with no bad password "
2169 "time. Leaving locked out.\n",
2170 pdb_get_username(sampass) ));
2171 return True;
2172 }
2173
2174 if ((time(NULL) > (LastBadPassword + convert_uint32_to_time_t(duration) * 60))) {
2175 pdb_set_acct_ctrl(sampass,
2176 pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
2177 PDB_CHANGED);
2178 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2179 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2180 if (updated) {
2181 *updated = True;
2182 }
2183 }
2184
2185 return True;
2186 }
2187
2188 /*********************************************************************
2189 Increment the bad_password_count
2190 *********************************************************************/
2191
2192 bool pdb_increment_bad_password_count(struct samu *sampass)
2193 {
2194 uint32 account_policy_lockout;
2195 bool autolock_updated = False, badpw_updated = False;
2196 bool ret;
2197
2198 /* Retrieve the account lockout policy */
2199 become_root();
2200 ret = pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
2201 unbecome_root();
2202 if ( !ret ) {
2203 DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
2204 return False;
2205 }
2206
2207 /* If there is no policy, we don't need to continue checking */
2208 if (!account_policy_lockout) {
2209 DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
2210 return True;
2211 }
2212
2213 /* Check if the autolock needs to be cleared */
2214 if (!pdb_update_autolock_flag(sampass, &autolock_updated))
2215 return False;
2216
2217 /* Check if the badpw count needs to be reset */
2218 if (!pdb_update_bad_password_count(sampass, &badpw_updated))
2219 return False;
2220
2221 /*
2222 Ok, now we can assume that any resetting that needs to be
2223 done has been done, and just get on with incrementing
2224 and autolocking if necessary
2225 */
2226
2227 pdb_set_bad_password_count(sampass,
2228 pdb_get_bad_password_count(sampass)+1,
2229 PDB_CHANGED);
2230 pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
2231
2232
2233 if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
2234 return True;
2235
2236 if (!pdb_set_acct_ctrl(sampass,
2237 pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
2238 PDB_CHANGED)) {
2239 DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
2240 return False;
2241 }
2242
2243 return True;
2244 }
2245
2246 bool is_dc_trusted_domain_situation(const char *domain_name)
2247 {
2248 return IS_DC && !strequal(domain_name, lp_workgroup());
2249 }
2250
2251 /*******************************************************************
2252 Wrapper around retrieving the clear text trust account password.
2253 appropriate account name is stored in account_name.
2254 Caller must free password, but not account_name.
2255 *******************************************************************/
2256
2257 bool get_trust_pw_clear(const char *domain, char **ret_pwd,
2258 const char **account_name, uint32 *channel)
2259 {
2260 char *pwd;
2261 time_t last_set_time;
2262
2263 /* if we are a DC and this is not our domain, then lookup an account
2264 * for the domain trust */
2265
2266 if (is_dc_trusted_domain_situation(domain)) {
2267 if (!lp_allow_trusted_domains()) {
2268 return false;
2269 }
2270
2271 if (!pdb_get_trusteddom_pw(domain, ret_pwd, NULL,
2272 &last_set_time))
2273 {
2274 DEBUG(0, ("get_trust_pw: could not fetch trust "
2275 "account password for trusted domain %s\n",
2276 domain));
2277 return false;
2278 }
2279
2280 if (channel != NULL) {
2281 *channel = SEC_CHAN_DOMAIN;
2282 }
2283
2284 if (account_name != NULL) {
2285 *account_name = lp_workgroup();
2286 }
2287
2288 return true;
2289 }
2290
2291 /*
2292 * Since we can only be member of one single domain, we are now
2293 * in a member situation:
2294 *
2295 * - Either we are a DC (selfjoined) and the domain is our
2296 * own domain.
2297 * - Or we are on a member and the domain is our own or some
2298 * other (potentially trusted) domain.
2299 *
2300 * In both cases, we can only get the machine account password
2301 * for our own domain to connect to our own dc. (For a member,
2302 * request to trusted domains are performed through our dc.)
2303 *
2304 * So we simply use our own domain name to retrieve the
2305 * machine account passowrd and ignore the request domain here.
2306 */
2307
2308 pwd = secrets_fetch_machine_password(lp_workgroup(), &last_set_time, channel);
2309
2310 if (pwd != NULL) {
2311 *ret_pwd = pwd;
2312 if (account_name != NULL) {
2313 *account_name = global_myname();
2314 }
2315
2316 return true;
2317 }
2318
2319 DEBUG(5, ("get_trust_pw_clear: could not fetch clear text trust "
2320 "account password for domain %s\n", domain));
2321 return false;
2322 }
2323
2324 /*******************************************************************
2325 Wrapper around retrieving the trust account password.
2326 appropriate account name is stored in account_name.
2327 *******************************************************************/
2328
2329 bool get_trust_pw_hash(const char *domain, uint8 ret_pwd[16],
2330 const char **account_name, uint32 *channel)
2331 {
2332 char *pwd = NULL;
2333 time_t last_set_time;
2334
2335 if (get_trust_pw_clear(domain, &pwd, account_name, channel)) {
2336 E_md4hash(pwd, ret_pwd);
2337 SAFE_FREE(pwd);
2338 return true;
2339 } else if (is_dc_trusted_domain_situation(domain)) {
2340 return false;
2341 }
2342
2343 /* as a fallback, try to get the hashed pwd directly from the tdb... */
2344
2345 if (secrets_fetch_trust_account_password_legacy(domain, ret_pwd,
2346 &last_set_time,
2347 channel))
2348 {
2349 if (account_name != NULL) {
2350 *account_name = global_myname();
2351 }
2352
2353 return true;
2354 }
2355
2356 DEBUG(5, ("get_trust_pw_hash: could not fetch trust account "
2357 "password for domain %s\n", domain));
2358 return False;
2359 }
2360
2361 struct samr_LogonHours get_logon_hours_from_pdb(TALLOC_CTX *mem_ctx,
2362 struct samu *pw)
2363 {
2364 struct samr_LogonHours hours;
2365 const int units_per_week = 168;
2366
2367 ZERO_STRUCT(hours);
2368 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
2369 if (!hours.bits) {
2370 return hours;
2371 }
2372
2373 hours.units_per_week = units_per_week;
2374 memset(hours.bits, 0xFF, units_per_week);
2375
2376 if (pdb_get_hours(pw)) {
2377 memcpy(hours.bits, pdb_get_hours(pw),
2378 MIN(pdb_get_hours_len(pw), units_per_week));
2379 }
2380
2381 return hours;
2382 }
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