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r17727: Start pulling in changes for 3.0.23c
[Samba.git] / source / passdb / passdb.c
blob27176b751e605a996e64ea692f750fb5770de78d
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 2 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, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26 #include "includes.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. For example, if you connect
34 to a Windows member server using a bogus domain name, the
35 Windows box will map the BOGUS\user to DOMAIN\user. A
36 standalone box will map to WKS\user.
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 /* Windows domain members default to the DOMAIN
46 name when not specified */
47 return lp_workgroup();
48 }
49
50 /**********************************************************************
51 ***********************************************************************/
52
53 static int samu_destroy(void *p)
54 {
55 struct samu *user = p;
56
57 data_blob_clear_free( &user->lm_pw );
58 data_blob_clear_free( &user->nt_pw );
59
60 if ( user->plaintext_pw )
61 memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) );
62
63 return 0;
64 }
65
66 /**********************************************************************
67 generate a new struct samuser
68 ***********************************************************************/
69
70 struct samu *samu_new( TALLOC_CTX *ctx )
71 {
72 struct samu *user;
73
74 if ( !(user = TALLOC_ZERO_P( ctx, struct samu )) ) {
75 DEBUG(0,("samuser_new: Talloc failed!\n"));
76 return NULL;
77 }
78
79 talloc_set_destructor( user, samu_destroy );
80
81 /* no initial methods */
82
83 user->methods = NULL;
84
85 /* Don't change these timestamp settings without a good reason.
86 They are important for NT member server compatibility. */
87
88 user->logon_time = (time_t)0;
89 user->pass_last_set_time = (time_t)0;
90 user->pass_can_change_time = (time_t)0;
91 user->logoff_time = get_time_t_max();
92 user->kickoff_time = get_time_t_max();
93 user->pass_must_change_time = get_time_t_max();
94 user->fields_present = 0x00ffffff;
95 user->logon_divs = 168; /* hours per week */
96 user->hours_len = 21; /* 21 times 8 bits = 168 */
97 memset(user->hours, 0xff, user->hours_len); /* available at all hours */
98 user->bad_password_count = 0;
99 user->logon_count = 0;
100 user->unknown_6 = 0x000004ec; /* don't know */
101
102 /* Some parts of samba strlen their pdb_get...() returns,
103 so this keeps the interface unchanged for now. */
104
105 user->username = "";
106 user->domain = "";
107 user->nt_username = "";
108 user->full_name = "";
109 user->home_dir = "";
110 user->logon_script = "";
111 user->profile_path = "";
112 user->acct_desc = "";
113 user->workstations = "";
114 user->unknown_str = "";
115 user->munged_dial = "";
116
117 user->plaintext_pw = NULL;
118
119 /* Unless we know otherwise have a Account Control Bit
120 value of 'normal user'. This helps User Manager, which
121 asks for a filtered list of users. */
122
123 user->acct_ctrl = ACB_NORMAL;
124
125
126 return user;
127 }
128
129 /*********************************************************************
130 Initialize a struct samu from a struct passwd including the user
131 and group SIDs. The *user structure is filled out with the Unix
132 attributes and a user SID.
133 *********************************************************************/
134
135 static NTSTATUS samu_set_unix_internal(struct samu *user, const struct passwd *pwd, BOOL create)
136 {
137 const char *guest_account = lp_guestaccount();
138 const char *domain = global_myname();
139 DOM_SID group_sid;
140 uint32 urid;
141
142 if ( !pwd ) {
143 return NT_STATUS_NO_SUCH_USER;
144 }
145
146 /* Basic properties based upon the Unix account information */
147
148 pdb_set_username(user, pwd->pw_name, PDB_SET);
149 pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
150 pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
151 gid_to_sid(&group_sid, pwd->pw_gid);
152 pdb_set_group_sid(user, &group_sid, PDB_SET);
153
154 /* save the password structure for later use */
155
156 user->unix_pw = tcopy_passwd( user, pwd );
157
158 /* Special case for the guest account which must have a RID of 501 */
159
160 if ( strequal( pwd->pw_name, guest_account ) ) {
161 if ( !pdb_set_user_sid_from_rid(user, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
162 return NT_STATUS_NO_SUCH_USER;
163 }
164 return NT_STATUS_OK;
165 }
166
167 /* Non-guest accounts...Check for a workstation or user account */
168
169 if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
170 /* workstation */
171
172 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
173 DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
174 pwd->pw_name));
175 return NT_STATUS_INVALID_COMPUTER_NAME;
176 }
177 }
178 else {
179 /* user */
180
181 if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
182 DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
183 pwd->pw_name));
184 return NT_STATUS_INVALID_ACCOUNT_NAME;
185 }
186
187 /* set some basic attributes */
188
189 pdb_set_profile_path(user, talloc_sub_specified(user,
190 lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
191 PDB_DEFAULT);
192 pdb_set_homedir(user, talloc_sub_specified(user,
193 lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
194 PDB_DEFAULT);
195 pdb_set_dir_drive(user, talloc_sub_specified(user,
196 lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
197 PDB_DEFAULT);
198 pdb_set_logon_script(user, talloc_sub_specified(user,
199 lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
200 PDB_DEFAULT);
201 }
202
203 /* Now deal with the user SID. If we have a backend that can generate
204 RIDs, then do so. But sometimes the caller just wanted a structure
205 initialized and will fill in these fields later (such as from a
206 NET_USER_INFO_3 structure) */
207
208 if ( create && !pdb_rid_algorithm() ) {
209 uint32 user_rid;
210 DOM_SID user_sid;
211
212 if ( !pdb_new_rid( &user_rid ) ) {
213 DEBUG(3, ("Could not allocate a new RID\n"));
214 return NT_STATUS_ACCESS_DENIED;
215 }
216
217 sid_copy( &user_sid, get_global_sam_sid() );
218 sid_append_rid( &user_sid, user_rid );
219
220 if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
221 DEBUG(3, ("pdb_set_user_sid failed\n"));
222 return NT_STATUS_INTERNAL_ERROR;
223 }
224
225 return NT_STATUS_OK;
226 }
227
228 /* generate a SID for the user with the RID algorithm */
229
230 urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
231
232 if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
233 return NT_STATUS_INTERNAL_ERROR;
234 }
235
236 return NT_STATUS_OK;
237 }
238
239 /********************************************************************
240 Set the Unix user attributes
241 ********************************************************************/
242
243 NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
244 {
245 return samu_set_unix_internal( user, pwd, False );
246 }
247
248 NTSTATUS samu_alloc_rid_unix(struct samu *user, const struct passwd *pwd)
249 {
250 return samu_set_unix_internal( user, pwd, True );
251 }
252
253 /**********************************************************
254 Encode the account control bits into a string.
255 length = length of string to encode into (including terminating
256 null). length *MUST BE MORE THAN 2* !
257 **********************************************************/
258
259 char *pdb_encode_acct_ctrl(uint32 acct_ctrl, size_t length)
260 {
261 static fstring acct_str;
262
263 size_t i = 0;
264
265 SMB_ASSERT(length <= sizeof(acct_str));
266
267 acct_str[i++] = '[';
268
269 if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
270 if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
271 if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
272 if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
273 if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
274 if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
275 if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
276 if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
277 if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
278 if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
279 if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
280
281 for ( ; i < length - 2 ; i++ )
282 acct_str[i] = ' ';
283
284 i = length - 2;
285 acct_str[i++] = ']';
286 acct_str[i++] = '\0';
287
288 return acct_str;
289 }
290
291 /**********************************************************
292 Decode the account control bits from a string.
293 **********************************************************/
294
295 uint32 pdb_decode_acct_ctrl(const char *p)
296 {
297 uint32 acct_ctrl = 0;
298 BOOL finished = False;
299
300 /*
301 * Check if the account type bits have been encoded after the
302 * NT password (in the form [NDHTUWSLXI]).
303 */
304
305 if (*p != '[')
306 return 0;
307
308 for (p++; *p && !finished; p++) {
309 switch (*p) {
310 case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
311 case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
312 case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
313 case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
314 case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
315 case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
316 case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
317 case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
318 case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
319 case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
320 case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
321 case ' ': { break; }
322 case ':':
323 case '\n':
324 case '\0':
325 case ']':
326 default: { finished = True; }
327 }
328 }
329
330 return acct_ctrl;
331 }
332
333 /*************************************************************
334 Routine to set 32 hex password characters from a 16 byte array.
335 **************************************************************/
336
337 void pdb_sethexpwd(char *p, const unsigned char *pwd, uint32 acct_ctrl)
338 {
339 if (pwd != NULL) {
340 int i;
341 for (i = 0; i < 16; i++)
342 slprintf(&p[i*2], 3, "%02X", pwd[i]);
343 } else {
344 if (acct_ctrl & ACB_PWNOTREQ)
345 safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
346 else
347 safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
348 }
349 }
350
351 /*************************************************************
352 Routine to get the 32 hex characters and turn them
353 into a 16 byte array.
354 **************************************************************/
355
356 BOOL pdb_gethexpwd(const char *p, unsigned char *pwd)
357 {
358 int i;
359 unsigned char lonybble, hinybble;
360 const char *hexchars = "0123456789ABCDEF";
361 char *p1, *p2;
362
363 if (!p)
364 return (False);
365
366 for (i = 0; i < 32; i += 2) {
367 hinybble = toupper_ascii(p[i]);
368 lonybble = toupper_ascii(p[i + 1]);
369
370 p1 = strchr(hexchars, hinybble);
371 p2 = strchr(hexchars, lonybble);
372
373 if (!p1 || !p2)
374 return (False);
375
376 hinybble = PTR_DIFF(p1, hexchars);
377 lonybble = PTR_DIFF(p2, hexchars);
378
379 pwd[i / 2] = (hinybble << 4) | lonybble;
380 }
381 return (True);
382 }
383
384 /*************************************************************
385 Routine to set 42 hex hours characters from a 21 byte array.
386 **************************************************************/
387
388 void pdb_sethexhours(char *p, const unsigned char *hours)
389 {
390 if (hours != NULL) {
391 int i;
392 for (i = 0; i < 21; i++) {
393 slprintf(&p[i*2], 3, "%02X", hours[i]);
394 }
395 } else {
396 safe_strcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 43);
397 }
398 }
399
400 /*************************************************************
401 Routine to get the 42 hex characters and turn them
402 into a 21 byte array.
403 **************************************************************/
404
405 BOOL pdb_gethexhours(const char *p, unsigned char *hours)
406 {
407 int i;
408 unsigned char lonybble, hinybble;
409 const char *hexchars = "0123456789ABCDEF";
410 char *p1, *p2;
411
412 if (!p) {
413 return (False);
414 }
415
416 for (i = 0; i < 42; i += 2) {
417 hinybble = toupper_ascii(p[i]);
418 lonybble = toupper_ascii(p[i + 1]);
419
420 p1 = strchr(hexchars, hinybble);
421 p2 = strchr(hexchars, lonybble);
422
423 if (!p1 || !p2) {
424 return (False);
425 }
426
427 hinybble = PTR_DIFF(p1, hexchars);
428 lonybble = PTR_DIFF(p2, hexchars);
429
430 hours[i / 2] = (hinybble << 4) | lonybble;
431 }
432 return (True);
433 }
434
435 /********************************************************************
436 ********************************************************************/
437
438 int algorithmic_rid_base(void)
439 {
440 static int rid_offset = 0;
441
442 if (rid_offset != 0)
443 return rid_offset;
444
445 rid_offset = lp_algorithmic_rid_base();
446
447 if (rid_offset < BASE_RID) {
448 /* Try to prevent admin foot-shooting, we can't put algorithmic
449 rids below 1000, that's the 'well known RIDs' on NT */
450 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
451 rid_offset = BASE_RID;
452 }
453 if (rid_offset & 1) {
454 DEBUG(0, ("algorithmic rid base must be even\n"));
455 rid_offset += 1;
456 }
457 return rid_offset;
458 }
459
460 /*******************************************************************
461 Converts NT user RID to a UNIX uid.
462 ********************************************************************/
463
464 uid_t algorithmic_pdb_user_rid_to_uid(uint32 user_rid)
465 {
466 int rid_offset = algorithmic_rid_base();
467 return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
468 }
469
470 uid_t max_algorithmic_uid(void)
471 {
472 return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
473 }
474
475 /*******************************************************************
476 converts UNIX uid to an NT User RID.
477 ********************************************************************/
478
479 uint32 algorithmic_pdb_uid_to_user_rid(uid_t uid)
480 {
481 int rid_offset = algorithmic_rid_base();
482 return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
483 }
484
485 /*******************************************************************
486 Converts NT group RID to a UNIX gid.
487 ********************************************************************/
488
489 gid_t pdb_group_rid_to_gid(uint32 group_rid)
490 {
491 int rid_offset = algorithmic_rid_base();
492 return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
493 }
494
495 gid_t max_algorithmic_gid(void)
496 {
497 return pdb_group_rid_to_gid(0xffffffff);
498 }
499
500 /*******************************************************************
501 converts NT Group RID to a UNIX uid.
502
503 warning: you must not call that function only
504 you must do a call to the group mapping first.
505 there is not anymore a direct link between the gid and the rid.
506 ********************************************************************/
507
508 uint32 algorithmic_pdb_gid_to_group_rid(gid_t gid)
509 {
510 int rid_offset = algorithmic_rid_base();
511 return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
512 }
513
514 /*******************************************************************
515 Decides if a RID is a well known RID.
516 ********************************************************************/
517
518 static BOOL rid_is_well_known(uint32 rid)
519 {
520 /* Not using rid_offset here, because this is the actual
521 NT fixed value (1000) */
522
523 return (rid < BASE_RID);
524 }
525
526 /*******************************************************************
527 Decides if a RID is a user or group RID.
528 ********************************************************************/
529
530 BOOL algorithmic_pdb_rid_is_user(uint32 rid)
531 {
532 if ( rid_is_well_known(rid) ) {
533 /*
534 * The only well known user RIDs are DOMAIN_USER_RID_ADMIN
535 * and DOMAIN_USER_RID_GUEST.
536 */
537 if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
538 return True;
539 } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
540 return True;
541 }
542 return False;
543 }
544
545 /*******************************************************************
546 Convert a name into a SID. Used in the lookup name rpc.
547 ********************************************************************/
548
549 BOOL lookup_global_sam_name(const char *user, int flags, uint32_t *rid,
550 enum SID_NAME_USE *type)
551 {
552 GROUP_MAP map;
553 BOOL ret;
554
555 /* Windows treats "MACHINE\None" as a special name for
556 rid 513 on non-DCs. You cannot create a user or group
557 name "None" on Windows. You will get an error that
558 the group already exists. */
559
560 if ( strequal( user, "None" ) ) {
561 *rid = DOMAIN_GROUP_RID_USERS;
562 *type = SID_NAME_DOM_GRP;
563
564 return True;
565 }
566
567 /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
568 * correctly in the case where foo also exists as a user. If the flag
569 * is set, don't look for users at all. */
570
571 if ((flags & LOOKUP_NAME_GROUP) == 0) {
572 struct samu *sam_account = NULL;
573 DOM_SID user_sid;
574
575 if ( !(sam_account = samu_new( NULL )) ) {
576 return False;
577 }
578
579 become_root();
580 ret = pdb_getsampwnam(sam_account, user);
581 unbecome_root();
582
583 if (ret) {
584 sid_copy(&user_sid, pdb_get_user_sid(sam_account));
585 }
586
587 TALLOC_FREE(sam_account);
588
589 if (ret) {
590 if (!sid_check_is_in_our_domain(&user_sid)) {
591 DEBUG(0, ("User %s with invalid SID %s in passdb\n",
592 user, sid_string_static(&user_sid)));
593 return False;
594 }
595
596 sid_peek_rid(&user_sid, rid);
597 *type = SID_NAME_USER;
598 return True;
599 }
600 }
601
602 /*
603 * Maybe it is a group ?
604 */
605
606 become_root();
607 ret = pdb_getgrnam(&map, user);
608 unbecome_root();
609
610 if (!ret) {
611 return False;
612 }
613
614 /* BUILTIN groups are looked up elsewhere */
615 if (!sid_check_is_in_our_domain(&map.sid)) {
616 DEBUG(10, ("Found group %s (%s) not in our domain -- "
617 "ignoring.", user,
618 sid_string_static(&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, int local_flags,
633 const char *new_passwd,
634 char *err_str, size_t err_str_len,
635 char *msg_str, size_t msg_str_len)
636 {
637 struct samu *sam_pass=NULL;
638 uint32 other_acb;
639 NTSTATUS result;
640
641 *err_str = '\0';
642 *msg_str = '\0';
643
644 /* Get the smb passwd entry for this user */
645
646 if ( !(sam_pass = samu_new( NULL )) ) {
647 return NT_STATUS_NO_MEMORY;
648 }
649
650 become_root();
651 if(!pdb_getsampwnam(sam_pass, user_name)) {
652 unbecome_root();
653 TALLOC_FREE(sam_pass);
654
655 if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) {
656 int tmp_debug = DEBUGLEVEL;
657 struct passwd *pwd;
658
659 /* Might not exist in /etc/passwd. */
660
661 if (tmp_debug < 1) {
662 DEBUGLEVEL = 1;
663 }
664
665 if ( !(pwd = getpwnam_alloc( NULL, user_name)) ) {
666 return NT_STATUS_NO_SUCH_USER;
667 }
668
669 /* create the struct samu and initialize the basic Unix properties */
670
671 if ( !(sam_pass = samu_new( NULL )) ) {
672 return NT_STATUS_NO_MEMORY;
673 }
674
675 result = samu_set_unix( sam_pass, pwd );
676
677 DEBUGLEVEL = tmp_debug;
678
679 TALLOC_FREE( pwd );
680
681 if (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PRIMARY_GROUP)) {
682 return result;
683 }
684
685 if (!NT_STATUS_IS_OK(result)) {
686 slprintf(err_str, err_str_len-1, "Failed to " "initialize account for user %s: %s\n",
687 user_name, nt_errstr(result));
688 return result;
689 }
690 } else {
691 slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name);
692 return NT_STATUS_NO_SUCH_USER;
693 }
694 } else {
695 unbecome_root();
696 /* the entry already existed */
697 local_flags &= ~LOCAL_ADD_USER;
698 }
699
700 /* the 'other' acb bits not being changed here */
701 other_acb = (pdb_get_acct_ctrl(sam_pass) & (!(ACB_WSTRUST|ACB_DOMTRUST|ACB_SVRTRUST|ACB_NORMAL)));
702 if (local_flags & LOCAL_TRUST_ACCOUNT) {
703 if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST | other_acb, PDB_CHANGED) ) {
704 slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name);
705 TALLOC_FREE(sam_pass);
706 return NT_STATUS_UNSUCCESSFUL;
707 }
708 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
709 if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) {
710 slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name);
711 TALLOC_FREE(sam_pass);
712 return NT_STATUS_UNSUCCESSFUL;
713 }
714 } else {
715 if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) {
716 slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name);
717 TALLOC_FREE(sam_pass);
718 return NT_STATUS_UNSUCCESSFUL;
719 }
720 }
721
722 /*
723 * We are root - just write the new password
724 * and the valid last change time.
725 */
726
727 if (local_flags & LOCAL_DISABLE_USER) {
728 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) {
729 slprintf(err_str, err_str_len-1, "Failed to set 'disabled' flag for user %s.\n", user_name);
730 TALLOC_FREE(sam_pass);
731 return NT_STATUS_UNSUCCESSFUL;
732 }
733 } else if (local_flags & LOCAL_ENABLE_USER) {
734 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
735 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
736 TALLOC_FREE(sam_pass);
737 return NT_STATUS_UNSUCCESSFUL;
738 }
739 }
740
741 if (local_flags & LOCAL_SET_NO_PASSWORD) {
742 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) {
743 slprintf(err_str, err_str_len-1, "Failed to set 'no password required' flag for user %s.\n", user_name);
744 TALLOC_FREE(sam_pass);
745 return NT_STATUS_UNSUCCESSFUL;
746 }
747 } else if (local_flags & LOCAL_SET_PASSWORD) {
748 /*
749 * If we're dealing with setting a completely empty user account
750 * ie. One with a password of 'XXXX', but not set disabled (like
751 * an account created from scratch) then if the old password was
752 * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
753 * We remove that as we're giving this user their first password
754 * and the decision hasn't really been made to disable them (ie.
755 * don't create them disabled). JRA.
756 */
757 if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
758 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
759 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
760 TALLOC_FREE(sam_pass);
761 return NT_STATUS_UNSUCCESSFUL;
762 }
763 }
764 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
765 slprintf(err_str, err_str_len-1, "Failed to unset 'no password required' flag for user %s.\n", user_name);
766 TALLOC_FREE(sam_pass);
767 return NT_STATUS_UNSUCCESSFUL;
768 }
769
770 if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
771 slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name);
772 TALLOC_FREE(sam_pass);
773 return NT_STATUS_UNSUCCESSFUL;
774 }
775 }
776
777 if (local_flags & LOCAL_ADD_USER) {
778 if (NT_STATUS_IS_OK(pdb_add_sam_account(sam_pass))) {
779 slprintf(msg_str, msg_str_len-1, "Added user %s.\n", user_name);
780 TALLOC_FREE(sam_pass);
781 return NT_STATUS_OK;
782 } else {
783 slprintf(err_str, err_str_len-1, "Failed to add entry for user %s.\n", user_name);
784 TALLOC_FREE(sam_pass);
785 return NT_STATUS_UNSUCCESSFUL;
786 }
787 } else if (local_flags & LOCAL_DELETE_USER) {
788 if (!NT_STATUS_IS_OK(pdb_delete_sam_account(sam_pass))) {
789 slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name);
790 TALLOC_FREE(sam_pass);
791 return NT_STATUS_UNSUCCESSFUL;
792 }
793 slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name);
794 } else {
795 result = pdb_update_sam_account(sam_pass);
796 if(!NT_STATUS_IS_OK(result)) {
797 slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name);
798 TALLOC_FREE(sam_pass);
799 return result;
800 }
801 if(local_flags & LOCAL_DISABLE_USER)
802 slprintf(msg_str, msg_str_len-1, "Disabled user %s.\n", user_name);
803 else if (local_flags & LOCAL_ENABLE_USER)
804 slprintf(msg_str, msg_str_len-1, "Enabled user %s.\n", user_name);
805 else if (local_flags & LOCAL_SET_NO_PASSWORD)
806 slprintf(msg_str, msg_str_len-1, "User %s password set to none.\n", user_name);
807 }
808
809 TALLOC_FREE(sam_pass);
810 return NT_STATUS_OK;
811 }
812
813 /**********************************************************************
814 Marshall/unmarshall struct samu structs.
815 *********************************************************************/
816
817 #define TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
818
819 /*********************************************************************
820 *********************************************************************/
821
822 BOOL init_sam_from_buffer_v3(struct samu *sampass, uint8 *buf, uint32 buflen)
823 {
824
825 /* times are stored as 32bit integer
826 take care on system with 64bit wide time_t
827 --SSS */
828 uint32 logon_time,
829 logoff_time,
830 kickoff_time,
831 bad_password_time,
832 pass_last_set_time,
833 pass_can_change_time,
834 pass_must_change_time;
835 char *username = NULL;
836 char *domain = NULL;
837 char *nt_username = NULL;
838 char *dir_drive = NULL;
839 char *unknown_str = NULL;
840 char *munged_dial = NULL;
841 char *fullname = NULL;
842 char *homedir = NULL;
843 char *logon_script = NULL;
844 char *profile_path = NULL;
845 char *acct_desc = NULL;
846 char *workstations = NULL;
847 uint32 username_len, domain_len, nt_username_len,
848 dir_drive_len, unknown_str_len, munged_dial_len,
849 fullname_len, homedir_len, logon_script_len,
850 profile_path_len, acct_desc_len, workstations_len;
851
852 uint32 user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
853 uint16 logon_divs;
854 uint16 bad_password_count, logon_count;
855 uint8 *hours = NULL;
856 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
857 uint32 len = 0;
858 uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
859 uint32 pwHistLen = 0;
860 BOOL ret = True;
861 fstring tmpstring;
862 BOOL expand_explicit = lp_passdb_expand_explicit();
863
864 if(sampass == NULL || buf == NULL) {
865 DEBUG(0, ("init_sam_from_buffer_v3: NULL parameters found!\n"));
866 return False;
867 }
868
869 /* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
870
871 /* unpack the buffer into variables */
872 len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V3,
873 &logon_time, /* d */
874 &logoff_time, /* d */
875 &kickoff_time, /* d */
876 &bad_password_time, /* d */
877 &pass_last_set_time, /* d */
878 &pass_can_change_time, /* d */
879 &pass_must_change_time, /* d */
880 &username_len, &username, /* B */
881 &domain_len, &domain, /* B */
882 &nt_username_len, &nt_username, /* B */
883 &fullname_len, &fullname, /* B */
884 &homedir_len, &homedir, /* B */
885 &dir_drive_len, &dir_drive, /* B */
886 &logon_script_len, &logon_script, /* B */
887 &profile_path_len, &profile_path, /* B */
888 &acct_desc_len, &acct_desc, /* B */
889 &workstations_len, &workstations, /* B */
890 &unknown_str_len, &unknown_str, /* B */
891 &munged_dial_len, &munged_dial, /* B */
892 &user_rid, /* d */
893 &group_rid, /* d */
894 &lm_pw_len, &lm_pw_ptr, /* B */
895 &nt_pw_len, &nt_pw_ptr, /* B */
896 /* Change from V1 is addition of password history field. */
897 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
898 /* Change from V2 is the uint32 acb_mask */
899 &acct_ctrl, /* d */
900 /* Also "remove_me" field was removed. */
901 &logon_divs, /* w */
902 &hours_len, /* d */
903 &hourslen, &hours, /* B */
904 &bad_password_count, /* w */
905 &logon_count, /* w */
906 &unknown_6); /* d */
907
908 if (len == (uint32) -1) {
909 ret = False;
910 goto done;
911 }
912
913 pdb_set_logon_time(sampass, logon_time, PDB_SET);
914 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
915 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
916 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
917 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
918 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
919 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
920
921 pdb_set_username(sampass, username, PDB_SET);
922 pdb_set_domain(sampass, domain, PDB_SET);
923 pdb_set_nt_username(sampass, nt_username, PDB_SET);
924 pdb_set_fullname(sampass, fullname, PDB_SET);
925
926 if (homedir) {
927 fstrcpy( tmpstring, homedir );
928 if (expand_explicit) {
929 standard_sub_basic( username, tmpstring,
930 sizeof(tmpstring) );
931 }
932 pdb_set_homedir(sampass, tmpstring, PDB_SET);
933 }
934 else {
935 pdb_set_homedir(sampass,
936 talloc_sub_basic(sampass, username, lp_logon_home()),
937 PDB_DEFAULT);
938 }
939
940 if (dir_drive)
941 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
942 else
943 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
944
945 if (logon_script) {
946 fstrcpy( tmpstring, logon_script );
947 if (expand_explicit) {
948 standard_sub_basic( username, tmpstring,
949 sizeof(tmpstring) );
950 }
951 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
952 }
953 else {
954 pdb_set_logon_script(sampass,
955 talloc_sub_basic(sampass, username, lp_logon_script()),
956 PDB_DEFAULT);
957 }
958
959 if (profile_path) {
960 fstrcpy( tmpstring, profile_path );
961 if (expand_explicit) {
962 standard_sub_basic( username, tmpstring,
963 sizeof(tmpstring) );
964 }
965 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
966 }
967 else {
968 pdb_set_profile_path(sampass,
969 talloc_sub_basic(sampass, username, lp_logon_path()),
970 PDB_DEFAULT);
971 }
972
973 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
974 pdb_set_workstations(sampass, workstations, PDB_SET);
975 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
976
977 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
978 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
979 ret = False;
980 goto done;
981 }
982 }
983
984 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
985 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
986 ret = False;
987 goto done;
988 }
989 }
990
991 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
992 if (pwHistLen) {
993 uint8 *pw_hist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
994 if (!pw_hist) {
995 ret = False;
996 goto done;
997 }
998 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
999 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1000 int i;
1001 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1002 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1003 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1004 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1005 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1006 PW_HISTORY_ENTRY_LEN);
1007 }
1008 }
1009 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1010 SAFE_FREE(pw_hist);
1011 ret = False;
1012 goto done;
1013 }
1014 SAFE_FREE(pw_hist);
1015 } else {
1016 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1017 }
1018
1019 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1020 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1021 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1022 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1023 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1024 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1025 /* Change from V2 is the uint32 acct_ctrl */
1026 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1027 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1028 pdb_set_hours(sampass, hours, PDB_SET);
1029
1030 done:
1031
1032 SAFE_FREE(username);
1033 SAFE_FREE(domain);
1034 SAFE_FREE(nt_username);
1035 SAFE_FREE(fullname);
1036 SAFE_FREE(homedir);
1037 SAFE_FREE(dir_drive);
1038 SAFE_FREE(logon_script);
1039 SAFE_FREE(profile_path);
1040 SAFE_FREE(acct_desc);
1041 SAFE_FREE(workstations);
1042 SAFE_FREE(munged_dial);
1043 SAFE_FREE(unknown_str);
1044 SAFE_FREE(lm_pw_ptr);
1045 SAFE_FREE(nt_pw_ptr);
1046 SAFE_FREE(nt_pw_hist_ptr);
1047 SAFE_FREE(hours);
1048
1049 return ret;
1050 }
1051
1052 /*********************************************************************
1053 *********************************************************************/
1054
1055 uint32 init_buffer_from_sam_v3 (uint8 **buf, struct samu *sampass, BOOL size_only)
1056 {
1057 size_t len, buflen;
1058
1059 /* times are stored as 32bit integer
1060 take care on system with 64bit wide time_t
1061 --SSS */
1062 uint32 logon_time,
1063 logoff_time,
1064 kickoff_time,
1065 bad_password_time,
1066 pass_last_set_time,
1067 pass_can_change_time,
1068 pass_must_change_time;
1069
1070 uint32 user_rid, group_rid;
1071
1072 const char *username;
1073 const char *domain;
1074 const char *nt_username;
1075 const char *dir_drive;
1076 const char *unknown_str;
1077 const char *munged_dial;
1078 const char *fullname;
1079 const char *homedir;
1080 const char *logon_script;
1081 const char *profile_path;
1082 const char *acct_desc;
1083 const char *workstations;
1084 uint32 username_len, domain_len, nt_username_len,
1085 dir_drive_len, unknown_str_len, munged_dial_len,
1086 fullname_len, homedir_len, logon_script_len,
1087 profile_path_len, acct_desc_len, workstations_len;
1088
1089 const uint8 *lm_pw;
1090 const uint8 *nt_pw;
1091 const uint8 *nt_pw_hist;
1092 uint32 lm_pw_len = 16;
1093 uint32 nt_pw_len = 16;
1094 uint32 nt_pw_hist_len;
1095 uint32 pwHistLen = 0;
1096
1097 *buf = NULL;
1098 buflen = 0;
1099
1100 logon_time = (uint32)pdb_get_logon_time(sampass);
1101 logoff_time = (uint32)pdb_get_logoff_time(sampass);
1102 kickoff_time = (uint32)pdb_get_kickoff_time(sampass);
1103 bad_password_time = (uint32)pdb_get_bad_password_time(sampass);
1104 pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass);
1105 pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass);
1106 pass_last_set_time = (uint32)pdb_get_pass_last_set_time(sampass);
1107
1108 user_rid = pdb_get_user_rid(sampass);
1109 group_rid = pdb_get_group_rid(sampass);
1110
1111 username = pdb_get_username(sampass);
1112 if (username) {
1113 username_len = strlen(username) +1;
1114 } else {
1115 username_len = 0;
1116 }
1117
1118 domain = pdb_get_domain(sampass);
1119 if (domain) {
1120 domain_len = strlen(domain) +1;
1121 } else {
1122 domain_len = 0;
1123 }
1124
1125 nt_username = pdb_get_nt_username(sampass);
1126 if (nt_username) {
1127 nt_username_len = strlen(nt_username) +1;
1128 } else {
1129 nt_username_len = 0;
1130 }
1131
1132 fullname = pdb_get_fullname(sampass);
1133 if (fullname) {
1134 fullname_len = strlen(fullname) +1;
1135 } else {
1136 fullname_len = 0;
1137 }
1138
1139 /*
1140 * Only updates fields which have been set (not defaults from smb.conf)
1141 */
1142
1143 if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1144 dir_drive = pdb_get_dir_drive(sampass);
1145 } else {
1146 dir_drive = NULL;
1147 }
1148 if (dir_drive) {
1149 dir_drive_len = strlen(dir_drive) +1;
1150 } else {
1151 dir_drive_len = 0;
1152 }
1153
1154 if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1155 homedir = pdb_get_homedir(sampass);
1156 } else {
1157 homedir = NULL;
1158 }
1159 if (homedir) {
1160 homedir_len = strlen(homedir) +1;
1161 } else {
1162 homedir_len = 0;
1163 }
1164
1165 if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1166 logon_script = pdb_get_logon_script(sampass);
1167 } else {
1168 logon_script = NULL;
1169 }
1170 if (logon_script) {
1171 logon_script_len = strlen(logon_script) +1;
1172 } else {
1173 logon_script_len = 0;
1174 }
1175
1176 if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1177 profile_path = pdb_get_profile_path(sampass);
1178 } else {
1179 profile_path = NULL;
1180 }
1181 if (profile_path) {
1182 profile_path_len = strlen(profile_path) +1;
1183 } else {
1184 profile_path_len = 0;
1185 }
1186
1187 lm_pw = pdb_get_lanman_passwd(sampass);
1188 if (!lm_pw) {
1189 lm_pw_len = 0;
1190 }
1191
1192 nt_pw = pdb_get_nt_passwd(sampass);
1193 if (!nt_pw) {
1194 nt_pw_len = 0;
1195 }
1196
1197 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1198 nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
1199 if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1200 nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1201 } else {
1202 nt_pw_hist_len = 0;
1203 }
1204
1205 acct_desc = pdb_get_acct_desc(sampass);
1206 if (acct_desc) {
1207 acct_desc_len = strlen(acct_desc) +1;
1208 } else {
1209 acct_desc_len = 0;
1210 }
1211
1212 workstations = pdb_get_workstations(sampass);
1213 if (workstations) {
1214 workstations_len = strlen(workstations) +1;
1215 } else {
1216 workstations_len = 0;
1217 }
1218
1219 unknown_str = NULL;
1220 unknown_str_len = 0;
1221
1222 munged_dial = pdb_get_munged_dial(sampass);
1223 if (munged_dial) {
1224 munged_dial_len = strlen(munged_dial) +1;
1225 } else {
1226 munged_dial_len = 0;
1227 }
1228
1229 /* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1230
1231 /* one time to get the size needed */
1232 len = tdb_pack(NULL, 0, TDB_FORMAT_STRING_V3,
1233 logon_time, /* d */
1234 logoff_time, /* d */
1235 kickoff_time, /* d */
1236 bad_password_time, /* d */
1237 pass_last_set_time, /* d */
1238 pass_can_change_time, /* d */
1239 pass_must_change_time, /* d */
1240 username_len, username, /* B */
1241 domain_len, domain, /* B */
1242 nt_username_len, nt_username, /* B */
1243 fullname_len, fullname, /* B */
1244 homedir_len, homedir, /* B */
1245 dir_drive_len, dir_drive, /* B */
1246 logon_script_len, logon_script, /* B */
1247 profile_path_len, profile_path, /* B */
1248 acct_desc_len, acct_desc, /* B */
1249 workstations_len, workstations, /* B */
1250 unknown_str_len, unknown_str, /* B */
1251 munged_dial_len, munged_dial, /* B */
1252 user_rid, /* d */
1253 group_rid, /* d */
1254 lm_pw_len, lm_pw, /* B */
1255 nt_pw_len, nt_pw, /* B */
1256 nt_pw_hist_len, nt_pw_hist, /* B */
1257 pdb_get_acct_ctrl(sampass), /* d */
1258 pdb_get_logon_divs(sampass), /* w */
1259 pdb_get_hours_len(sampass), /* d */
1260 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1261 pdb_get_bad_password_count(sampass), /* w */
1262 pdb_get_logon_count(sampass), /* w */
1263 pdb_get_unknown_6(sampass)); /* d */
1264
1265 if (size_only) {
1266 return buflen;
1267 }
1268
1269 /* malloc the space needed */
1270 if ( (*buf=(uint8*)SMB_MALLOC(len)) == NULL) {
1271 DEBUG(0,("init_buffer_from_sam_v3: Unable to malloc() memory for buffer!\n"));
1272 return (-1);
1273 }
1274
1275 /* now for the real call to tdb_pack() */
1276 buflen = tdb_pack((char *)*buf, len, TDB_FORMAT_STRING_V3,
1277 logon_time, /* d */
1278 logoff_time, /* d */
1279 kickoff_time, /* d */
1280 bad_password_time, /* d */
1281 pass_last_set_time, /* d */
1282 pass_can_change_time, /* d */
1283 pass_must_change_time, /* d */
1284 username_len, username, /* B */
1285 domain_len, domain, /* B */
1286 nt_username_len, nt_username, /* B */
1287 fullname_len, fullname, /* B */
1288 homedir_len, homedir, /* B */
1289 dir_drive_len, dir_drive, /* B */
1290 logon_script_len, logon_script, /* B */
1291 profile_path_len, profile_path, /* B */
1292 acct_desc_len, acct_desc, /* B */
1293 workstations_len, workstations, /* B */
1294 unknown_str_len, unknown_str, /* B */
1295 munged_dial_len, munged_dial, /* B */
1296 user_rid, /* d */
1297 group_rid, /* d */
1298 lm_pw_len, lm_pw, /* B */
1299 nt_pw_len, nt_pw, /* B */
1300 nt_pw_hist_len, nt_pw_hist, /* B */
1301 pdb_get_acct_ctrl(sampass), /* d */
1302 pdb_get_logon_divs(sampass), /* w */
1303 pdb_get_hours_len(sampass), /* d */
1304 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1305 pdb_get_bad_password_count(sampass), /* w */
1306 pdb_get_logon_count(sampass), /* w */
1307 pdb_get_unknown_6(sampass)); /* d */
1308
1309 /* check to make sure we got it correct */
1310 if (buflen != len) {
1311 DEBUG(0, ("init_buffer_from_sam_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
1312 (unsigned long)buflen, (unsigned long)len));
1313 /* error */
1314 SAFE_FREE (*buf);
1315 return (-1);
1316 }
1317
1318 return (buflen);
1319 }
1320
1321
1322 /*********************************************************************
1323 *********************************************************************/
1324
1325 BOOL pdb_copy_sam_account(struct samu *dst, struct samu *src )
1326 {
1327 uint8 *buf = NULL;
1328 int len;
1329
1330 len = init_buffer_from_sam_v3(&buf, src, False);
1331 if (len == -1 || !buf) {
1332 SAFE_FREE(buf);
1333 return False;
1334 }
1335
1336 if (!init_sam_from_buffer_v3( dst, buf, len )) {
1337 free(buf);
1338 return False;
1339 }
1340
1341 dst->methods = src->methods;
1342
1343 if ( src->unix_pw ) {
1344 dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
1345 if (!dst->unix_pw) {
1346 free(buf);
1347 return False;
1348 }
1349 }
1350
1351 free(buf);
1352 return True;
1353 }
1354
1355 /*********************************************************************
1356 Update the bad password count checking the AP_RESET_COUNT_TIME
1357 *********************************************************************/
1358
1359 BOOL pdb_update_bad_password_count(struct samu *sampass, BOOL *updated)
1360 {
1361 time_t LastBadPassword;
1362 uint16 BadPasswordCount;
1363 uint32 resettime;
1364
1365 BadPasswordCount = pdb_get_bad_password_count(sampass);
1366 if (!BadPasswordCount) {
1367 DEBUG(9, ("No bad password attempts.\n"));
1368 return True;
1369 }
1370
1371 if (!pdb_get_account_policy(AP_RESET_COUNT_TIME, &resettime)) {
1372 DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
1373 return False;
1374 }
1375
1376 /* First, check if there is a reset time to compare */
1377 if ((resettime == (uint32) -1) || (resettime == 0)) {
1378 DEBUG(9, ("No reset time, can't reset bad pw count\n"));
1379 return True;
1380 }
1381
1382 LastBadPassword = pdb_get_bad_password_time(sampass);
1383 DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
1384 (uint32) LastBadPassword, resettime, (uint32)time(NULL)));
1385 if (time(NULL) > (LastBadPassword + (time_t)resettime*60)){
1386 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
1387 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
1388 if (updated) {
1389 *updated = True;
1390 }
1391 }
1392
1393 return True;
1394 }
1395
1396 /*********************************************************************
1397 Update the ACB_AUTOLOCK flag checking the AP_LOCK_ACCOUNT_DURATION
1398 *********************************************************************/
1399
1400 BOOL pdb_update_autolock_flag(struct samu *sampass, BOOL *updated)
1401 {
1402 uint32 duration;
1403 time_t LastBadPassword;
1404
1405 if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
1406 DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
1407 pdb_get_username(sampass)));
1408 return True;
1409 }
1410
1411 if (!pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &duration)) {
1412 DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
1413 return False;
1414 }
1415
1416 /* First, check if there is a duration to compare */
1417 if ((duration == (uint32) -1) || (duration == 0)) {
1418 DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
1419 return True;
1420 }
1421
1422 LastBadPassword = pdb_get_bad_password_time(sampass);
1423 DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
1424 pdb_get_username(sampass), (uint32)LastBadPassword, duration*60, (uint32)time(NULL)));
1425
1426 if (LastBadPassword == (time_t)0) {
1427 DEBUG(1,("pdb_update_autolock_flag: Account %s administratively locked out with no \
1428 bad password time. Leaving locked out.\n",
1429 pdb_get_username(sampass) ));
1430 return True;
1431 }
1432
1433 if ((time(NULL) > (LastBadPassword + (time_t) duration * 60))) {
1434 pdb_set_acct_ctrl(sampass,
1435 pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
1436 PDB_CHANGED);
1437 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
1438 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
1439 if (updated) {
1440 *updated = True;
1441 }
1442 }
1443
1444 return True;
1445 }
1446
1447 /*********************************************************************
1448 Increment the bad_password_count
1449 *********************************************************************/
1450
1451 BOOL pdb_increment_bad_password_count(struct samu *sampass)
1452 {
1453 uint32 account_policy_lockout;
1454 BOOL autolock_updated = False, badpw_updated = False;
1455 BOOL ret;
1456
1457 /* Retrieve the account lockout policy */
1458 become_root();
1459 ret = pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
1460 unbecome_root();
1461 if ( !ret ) {
1462 DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
1463 return False;
1464 }
1465
1466 /* If there is no policy, we don't need to continue checking */
1467 if (!account_policy_lockout) {
1468 DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
1469 return True;
1470 }
1471
1472 /* Check if the autolock needs to be cleared */
1473 if (!pdb_update_autolock_flag(sampass, &autolock_updated))
1474 return False;
1475
1476 /* Check if the badpw count needs to be reset */
1477 if (!pdb_update_bad_password_count(sampass, &badpw_updated))
1478 return False;
1479
1480 /*
1481 Ok, now we can assume that any resetting that needs to be
1482 done has been done, and just get on with incrementing
1483 and autolocking if necessary
1484 */
1485
1486 pdb_set_bad_password_count(sampass,
1487 pdb_get_bad_password_count(sampass)+1,
1488 PDB_CHANGED);
1489 pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
1490
1491
1492 if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
1493 return True;
1494
1495 if (!pdb_set_acct_ctrl(sampass,
1496 pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
1497 PDB_CHANGED)) {
1498 DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
1499 return False;
1500 }
1501
1502 return True;
1503 }
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