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mount.cifs: check access of credential files before opening
[Samba.git] / source / passdb / passdb.c
blobc073cc9a40da95f3783b1dace6840de895c81a8d
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(struct samu *user)
54 {
55 data_blob_clear_free( &user->lm_pw );
56 data_blob_clear_free( &user->nt_pw );
57
58 if ( user->plaintext_pw )
59 memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) );
60
61 return 0;
62 }
63
64 /**********************************************************************
65 generate a new struct samuser
66 ***********************************************************************/
67
68 struct samu *samu_new( TALLOC_CTX *ctx )
69 {
70 struct samu *user;
71
72 if ( !(user = TALLOC_ZERO_P( ctx, struct samu )) ) {
73 DEBUG(0,("samuser_new: Talloc failed!\n"));
74 return NULL;
75 }
76
77 talloc_set_destructor( user, samu_destroy );
78
79 /* no initial methods */
80
81 user->methods = NULL;
82
83 /* Don't change these timestamp settings without a good reason.
84 They are important for NT member server compatibility. */
85
86 user->logon_time = (time_t)0;
87 user->pass_last_set_time = (time_t)0;
88 user->pass_can_change_time = (time_t)0;
89 user->logoff_time = get_time_t_max();
90 user->kickoff_time = get_time_t_max();
91 user->pass_must_change_time = get_time_t_max();
92 user->fields_present = 0x00ffffff;
93 user->logon_divs = 168; /* hours per week */
94 user->hours_len = 21; /* 21 times 8 bits = 168 */
95 memset(user->hours, 0xff, user->hours_len); /* available at all hours */
96 user->bad_password_count = 0;
97 user->logon_count = 0;
98 user->unknown_6 = 0x000004ec; /* don't know */
99
100 /* Some parts of samba strlen their pdb_get...() returns,
101 so this keeps the interface unchanged for now. */
102
103 user->username = "";
104 user->domain = "";
105 user->nt_username = "";
106 user->full_name = "";
107 user->home_dir = "";
108 user->logon_script = "";
109 user->profile_path = "";
110 user->acct_desc = "";
111 user->workstations = "";
112 user->comment = "";
113 user->munged_dial = "";
114
115 user->plaintext_pw = NULL;
116
117 /* Unless we know otherwise have a Account Control Bit
118 value of 'normal user'. This helps User Manager, which
119 asks for a filtered list of users. */
120
121 user->acct_ctrl = ACB_NORMAL;
122
123
124 return user;
125 }
126
127 /*********************************************************************
128 Initialize a struct samu from a struct passwd including the user
129 and group SIDs. The *user structure is filled out with the Unix
130 attributes and a user SID.
131 *********************************************************************/
132
133 static NTSTATUS samu_set_unix_internal(struct samu *user, const struct passwd *pwd, BOOL create)
134 {
135 const char *guest_account = lp_guestaccount();
136 const char *domain = global_myname();
137 uint32 urid;
138
139 if ( !pwd ) {
140 return NT_STATUS_NO_SUCH_USER;
141 }
142
143 /* Basic properties based upon the Unix account information */
144
145 pdb_set_username(user, pwd->pw_name, PDB_SET);
146 pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
147 pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
148 #if 0
149 /* This can lead to a primary group of S-1-22-2-XX which
150 will be rejected by other parts of the Samba code.
151 Rely on pdb_get_group_sid() to "Do The Right Thing" (TM)
152 --jerry */
153
154 gid_to_sid(&group_sid, pwd->pw_gid);
155 pdb_set_group_sid(user, &group_sid, PDB_SET);
156 #endif
157
158 /* save the password structure for later use */
159
160 user->unix_pw = tcopy_passwd( user, pwd );
161
162 /* Special case for the guest account which must have a RID of 501 */
163
164 if ( strequal( pwd->pw_name, guest_account ) ) {
165 if ( !pdb_set_user_sid_from_rid(user, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
166 return NT_STATUS_NO_SUCH_USER;
167 }
168 return NT_STATUS_OK;
169 }
170
171 /* Non-guest accounts...Check for a workstation or user account */
172
173 if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
174 /* workstation */
175
176 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
177 DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
178 pwd->pw_name));
179 return NT_STATUS_INVALID_COMPUTER_NAME;
180 }
181 }
182 else {
183 /* user */
184
185 if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
186 DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
187 pwd->pw_name));
188 return NT_STATUS_INVALID_ACCOUNT_NAME;
189 }
190
191 /* set some basic attributes */
192
193 pdb_set_profile_path(user, talloc_sub_specified(user,
194 lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
195 PDB_DEFAULT);
196 pdb_set_homedir(user, talloc_sub_specified(user,
197 lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
198 PDB_DEFAULT);
199 pdb_set_dir_drive(user, talloc_sub_specified(user,
200 lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
201 PDB_DEFAULT);
202 pdb_set_logon_script(user, talloc_sub_specified(user,
203 lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
204 PDB_DEFAULT);
205 }
206
207 /* Now deal with the user SID. If we have a backend that can generate
208 RIDs, then do so. But sometimes the caller just wanted a structure
209 initialized and will fill in these fields later (such as from a
210 NET_USER_INFO_3 structure) */
211
212 if ( create && !pdb_rid_algorithm() ) {
213 uint32 user_rid;
214 DOM_SID user_sid;
215
216 if ( !pdb_new_rid( &user_rid ) ) {
217 DEBUG(3, ("Could not allocate a new RID\n"));
218 return NT_STATUS_ACCESS_DENIED;
219 }
220
221 sid_copy( &user_sid, get_global_sam_sid() );
222 sid_append_rid( &user_sid, user_rid );
223
224 if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
225 DEBUG(3, ("pdb_set_user_sid failed\n"));
226 return NT_STATUS_INTERNAL_ERROR;
227 }
228
229 return NT_STATUS_OK;
230 }
231
232 /* generate a SID for the user with the RID algorithm */
233
234 urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
235
236 if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
237 return NT_STATUS_INTERNAL_ERROR;
238 }
239
240 return NT_STATUS_OK;
241 }
242
243 /********************************************************************
244 Set the Unix user attributes
245 ********************************************************************/
246
247 NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
248 {
249 return samu_set_unix_internal( user, pwd, False );
250 }
251
252 NTSTATUS samu_alloc_rid_unix(struct samu *user, const struct passwd *pwd)
253 {
254 return samu_set_unix_internal( user, pwd, True );
255 }
256
257 /**********************************************************
258 Encode the account control bits into a string.
259 length = length of string to encode into (including terminating
260 null). length *MUST BE MORE THAN 2* !
261 **********************************************************/
262
263 char *pdb_encode_acct_ctrl(uint32 acct_ctrl, size_t length)
264 {
265 static fstring acct_str;
266
267 size_t i = 0;
268
269 SMB_ASSERT(length <= sizeof(acct_str));
270
271 acct_str[i++] = '[';
272
273 if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
274 if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
275 if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
276 if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
277 if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
278 if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
279 if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
280 if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
281 if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
282 if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
283 if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
284
285 for ( ; i < length - 2 ; i++ )
286 acct_str[i] = ' ';
287
288 i = length - 2;
289 acct_str[i++] = ']';
290 acct_str[i++] = '\0';
291
292 return acct_str;
293 }
294
295 /**********************************************************
296 Decode the account control bits from a string.
297 **********************************************************/
298
299 uint32 pdb_decode_acct_ctrl(const char *p)
300 {
301 uint32 acct_ctrl = 0;
302 BOOL finished = False;
303
304 /*
305 * Check if the account type bits have been encoded after the
306 * NT password (in the form [NDHTUWSLXI]).
307 */
308
309 if (*p != '[')
310 return 0;
311
312 for (p++; *p && !finished; p++) {
313 switch (*p) {
314 case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
315 case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
316 case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
317 case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
318 case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
319 case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
320 case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
321 case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
322 case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
323 case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
324 case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
325 case ' ': { break; }
326 case ':':
327 case '\n':
328 case '\0':
329 case ']':
330 default: { finished = True; }
331 }
332 }
333
334 return acct_ctrl;
335 }
336
337 /*************************************************************
338 Routine to set 32 hex password characters from a 16 byte array.
339 **************************************************************/
340
341 void pdb_sethexpwd(char *p, const unsigned char *pwd, uint32 acct_ctrl)
342 {
343 if (pwd != NULL) {
344 int i;
345 for (i = 0; i < 16; i++)
346 slprintf(&p[i*2], 3, "%02X", pwd[i]);
347 } else {
348 if (acct_ctrl & ACB_PWNOTREQ)
349 safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 32);
350 else
351 safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 32);
352 }
353 }
354
355 /*************************************************************
356 Routine to get the 32 hex characters and turn them
357 into a 16 byte array.
358 **************************************************************/
359
360 BOOL pdb_gethexpwd(const char *p, unsigned char *pwd)
361 {
362 int i;
363 unsigned char lonybble, hinybble;
364 const char *hexchars = "0123456789ABCDEF";
365 char *p1, *p2;
366
367 if (!p)
368 return (False);
369
370 for (i = 0; i < 32; i += 2) {
371 hinybble = toupper_ascii(p[i]);
372 lonybble = toupper_ascii(p[i + 1]);
373
374 p1 = strchr(hexchars, hinybble);
375 p2 = strchr(hexchars, lonybble);
376
377 if (!p1 || !p2)
378 return (False);
379
380 hinybble = PTR_DIFF(p1, hexchars);
381 lonybble = PTR_DIFF(p2, hexchars);
382
383 pwd[i / 2] = (hinybble << 4) | lonybble;
384 }
385 return (True);
386 }
387
388 /*************************************************************
389 Routine to set 42 hex hours characters from a 21 byte array.
390 **************************************************************/
391
392 void pdb_sethexhours(char *p, const unsigned char *hours)
393 {
394 if (hours != NULL) {
395 int i;
396 for (i = 0; i < 21; i++) {
397 slprintf(&p[i*2], 3, "%02X", hours[i]);
398 }
399 } else {
400 safe_strcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 43);
401 }
402 }
403
404 /*************************************************************
405 Routine to get the 42 hex characters and turn them
406 into a 21 byte array.
407 **************************************************************/
408
409 BOOL pdb_gethexhours(const char *p, unsigned char *hours)
410 {
411 int i;
412 unsigned char lonybble, hinybble;
413 const char *hexchars = "0123456789ABCDEF";
414 char *p1, *p2;
415
416 if (!p) {
417 return (False);
418 }
419
420 for (i = 0; i < 42; i += 2) {
421 hinybble = toupper_ascii(p[i]);
422 lonybble = toupper_ascii(p[i + 1]);
423
424 p1 = strchr(hexchars, hinybble);
425 p2 = strchr(hexchars, lonybble);
426
427 if (!p1 || !p2) {
428 return (False);
429 }
430
431 hinybble = PTR_DIFF(p1, hexchars);
432 lonybble = PTR_DIFF(p2, hexchars);
433
434 hours[i / 2] = (hinybble << 4) | lonybble;
435 }
436 return (True);
437 }
438
439 /********************************************************************
440 ********************************************************************/
441
442 int algorithmic_rid_base(void)
443 {
444 static int rid_offset = 0;
445
446 if (rid_offset != 0)
447 return rid_offset;
448
449 rid_offset = lp_algorithmic_rid_base();
450
451 if (rid_offset < BASE_RID) {
452 /* Try to prevent admin foot-shooting, we can't put algorithmic
453 rids below 1000, that's the 'well known RIDs' on NT */
454 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
455 rid_offset = BASE_RID;
456 }
457 if (rid_offset & 1) {
458 DEBUG(0, ("algorithmic rid base must be even\n"));
459 rid_offset += 1;
460 }
461 return rid_offset;
462 }
463
464 /*******************************************************************
465 Converts NT user RID to a UNIX uid.
466 ********************************************************************/
467
468 uid_t algorithmic_pdb_user_rid_to_uid(uint32 user_rid)
469 {
470 int rid_offset = algorithmic_rid_base();
471 return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
472 }
473
474 uid_t max_algorithmic_uid(void)
475 {
476 return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
477 }
478
479 /*******************************************************************
480 converts UNIX uid to an NT User RID.
481 ********************************************************************/
482
483 uint32 algorithmic_pdb_uid_to_user_rid(uid_t uid)
484 {
485 int rid_offset = algorithmic_rid_base();
486 return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
487 }
488
489 /*******************************************************************
490 Converts NT group RID to a UNIX gid.
491 ********************************************************************/
492
493 gid_t pdb_group_rid_to_gid(uint32 group_rid)
494 {
495 int rid_offset = algorithmic_rid_base();
496 return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
497 }
498
499 gid_t max_algorithmic_gid(void)
500 {
501 return pdb_group_rid_to_gid(0xffffffff);
502 }
503
504 /*******************************************************************
505 converts NT Group RID to a UNIX uid.
506
507 warning: you must not call that function only
508 you must do a call to the group mapping first.
509 there is not anymore a direct link between the gid and the rid.
510 ********************************************************************/
511
512 uint32 algorithmic_pdb_gid_to_group_rid(gid_t gid)
513 {
514 int rid_offset = algorithmic_rid_base();
515 return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
516 }
517
518 /*******************************************************************
519 Decides if a RID is a well known RID.
520 ********************************************************************/
521
522 static BOOL rid_is_well_known(uint32 rid)
523 {
524 /* Not using rid_offset here, because this is the actual
525 NT fixed value (1000) */
526
527 return (rid < BASE_RID);
528 }
529
530 /*******************************************************************
531 Decides if a RID is a user or group RID.
532 ********************************************************************/
533
534 BOOL algorithmic_pdb_rid_is_user(uint32 rid)
535 {
536 if ( rid_is_well_known(rid) ) {
537 /*
538 * The only well known user RIDs are DOMAIN_USER_RID_ADMIN
539 * and DOMAIN_USER_RID_GUEST.
540 */
541 if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
542 return True;
543 } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
544 return True;
545 }
546 return False;
547 }
548
549 /*******************************************************************
550 Convert a name into a SID. Used in the lookup name rpc.
551 ********************************************************************/
552
553 BOOL lookup_global_sam_name(const char *user, int flags, uint32_t *rid,
554 enum lsa_SidType *type)
555 {
556 GROUP_MAP map;
557 BOOL ret;
558
559 /* Windows treats "MACHINE\None" as a special name for
560 rid 513 on non-DCs. You cannot create a user or group
561 name "None" on Windows. You will get an error that
562 the group already exists. */
563
564 if ( strequal( user, "None" ) ) {
565 *rid = DOMAIN_GROUP_RID_USERS;
566 *type = SID_NAME_DOM_GRP;
567
568 return True;
569 }
570
571 /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
572 * correctly in the case where foo also exists as a user. If the flag
573 * is set, don't look for users at all. */
574
575 if ((flags & LOOKUP_NAME_GROUP) == 0) {
576 struct samu *sam_account = NULL;
577 DOM_SID user_sid;
578
579 if ( !(sam_account = samu_new( NULL )) ) {
580 return False;
581 }
582
583 become_root();
584 ret = pdb_getsampwnam(sam_account, user);
585 unbecome_root();
586
587 if (ret) {
588 sid_copy(&user_sid, pdb_get_user_sid(sam_account));
589 }
590
591 TALLOC_FREE(sam_account);
592
593 if (ret) {
594 if (!sid_check_is_in_our_domain(&user_sid)) {
595 DEBUG(0, ("User %s with invalid SID %s in passdb\n",
596 user, sid_string_static(&user_sid)));
597 return False;
598 }
599
600 sid_peek_rid(&user_sid, rid);
601 *type = SID_NAME_USER;
602 return True;
603 }
604 }
605
606 /*
607 * Maybe it is a group ?
608 */
609
610 become_root();
611 ret = pdb_getgrnam(&map, user);
612 unbecome_root();
613
614 if (!ret) {
615 return False;
616 }
617
618 /* BUILTIN groups are looked up elsewhere */
619 if (!sid_check_is_in_our_domain(&map.sid)) {
620 DEBUG(10, ("Found group %s (%s) not in our domain -- "
621 "ignoring.", user,
622 sid_string_static(&map.sid)));
623 return False;
624 }
625
626 /* yes it's a mapped group */
627 sid_peek_rid(&map.sid, rid);
628 *type = map.sid_name_use;
629 return True;
630 }
631
632 /*************************************************************
633 Change a password entry in the local smbpasswd file.
634 *************************************************************/
635
636 NTSTATUS local_password_change(const char *user_name, int local_flags,
637 const char *new_passwd,
638 char *err_str, size_t err_str_len,
639 char *msg_str, size_t msg_str_len)
640 {
641 struct samu *sam_pass=NULL;
642 uint32 other_acb;
643 NTSTATUS result;
644
645 *err_str = '\0';
646 *msg_str = '\0';
647
648 /* Get the smb passwd entry for this user */
649
650 if ( !(sam_pass = samu_new( NULL )) ) {
651 return NT_STATUS_NO_MEMORY;
652 }
653
654 become_root();
655 if(!pdb_getsampwnam(sam_pass, user_name)) {
656 unbecome_root();
657 TALLOC_FREE(sam_pass);
658
659 if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) {
660 int tmp_debug = DEBUGLEVEL;
661 struct passwd *pwd;
662
663 /* Might not exist in /etc/passwd. */
664
665 if (tmp_debug < 1) {
666 DEBUGLEVEL = 1;
667 }
668
669 if ( !(pwd = getpwnam_alloc( NULL, user_name)) ) {
670 return NT_STATUS_NO_SUCH_USER;
671 }
672
673 /* create the struct samu and initialize the basic Unix properties */
674
675 if ( !(sam_pass = samu_new( NULL )) ) {
676 return NT_STATUS_NO_MEMORY;
677 }
678
679 result = samu_set_unix( sam_pass, pwd );
680
681 DEBUGLEVEL = tmp_debug;
682
683 TALLOC_FREE( pwd );
684
685 if (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PRIMARY_GROUP)) {
686 return result;
687 }
688
689 if (!NT_STATUS_IS_OK(result)) {
690 slprintf(err_str, err_str_len-1, "Failed to " "initialize account for user %s: %s\n",
691 user_name, nt_errstr(result));
692 return result;
693 }
694 } else {
695 slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name);
696 return NT_STATUS_NO_SUCH_USER;
697 }
698 } else {
699 unbecome_root();
700 /* the entry already existed */
701 local_flags &= ~LOCAL_ADD_USER;
702 }
703
704 /* the 'other' acb bits not being changed here */
705 other_acb = (pdb_get_acct_ctrl(sam_pass) & (~(ACB_WSTRUST|ACB_DOMTRUST|ACB_SVRTRUST|ACB_NORMAL)));
706 if (local_flags & LOCAL_TRUST_ACCOUNT) {
707 if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST | other_acb, PDB_CHANGED) ) {
708 slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name);
709 TALLOC_FREE(sam_pass);
710 return NT_STATUS_UNSUCCESSFUL;
711 }
712 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
713 if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) {
714 slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name);
715 TALLOC_FREE(sam_pass);
716 return NT_STATUS_UNSUCCESSFUL;
717 }
718 } else {
719 if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) {
720 slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name);
721 TALLOC_FREE(sam_pass);
722 return NT_STATUS_UNSUCCESSFUL;
723 }
724 }
725
726 /*
727 * We are root - just write the new password
728 * and the valid last change time.
729 */
730
731 if (local_flags & LOCAL_DISABLE_USER) {
732 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) {
733 slprintf(err_str, err_str_len-1, "Failed to set 'disabled' flag for user %s.\n", user_name);
734 TALLOC_FREE(sam_pass);
735 return NT_STATUS_UNSUCCESSFUL;
736 }
737 } else if (local_flags & LOCAL_ENABLE_USER) {
738 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
739 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
740 TALLOC_FREE(sam_pass);
741 return NT_STATUS_UNSUCCESSFUL;
742 }
743 }
744
745 if (local_flags & LOCAL_SET_NO_PASSWORD) {
746 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) {
747 slprintf(err_str, err_str_len-1, "Failed to set 'no password required' flag for user %s.\n", user_name);
748 TALLOC_FREE(sam_pass);
749 return NT_STATUS_UNSUCCESSFUL;
750 }
751 } else if (local_flags & LOCAL_SET_PASSWORD) {
752 /*
753 * If we're dealing with setting a completely empty user account
754 * ie. One with a password of 'XXXX', but not set disabled (like
755 * an account created from scratch) then if the old password was
756 * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
757 * We remove that as we're giving this user their first password
758 * and the decision hasn't really been made to disable them (ie.
759 * don't create them disabled). JRA.
760 */
761 if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
762 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
763 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
764 TALLOC_FREE(sam_pass);
765 return NT_STATUS_UNSUCCESSFUL;
766 }
767 }
768 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
769 slprintf(err_str, err_str_len-1, "Failed to unset 'no password required' flag for user %s.\n", user_name);
770 TALLOC_FREE(sam_pass);
771 return NT_STATUS_UNSUCCESSFUL;
772 }
773
774 if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
775 slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name);
776 TALLOC_FREE(sam_pass);
777 return NT_STATUS_UNSUCCESSFUL;
778 }
779 }
780
781 if (local_flags & LOCAL_ADD_USER) {
782 if (NT_STATUS_IS_OK(pdb_add_sam_account(sam_pass))) {
783 slprintf(msg_str, msg_str_len-1, "Added user %s.\n", user_name);
784 TALLOC_FREE(sam_pass);
785 return NT_STATUS_OK;
786 } else {
787 slprintf(err_str, err_str_len-1, "Failed to add entry for user %s.\n", user_name);
788 TALLOC_FREE(sam_pass);
789 return NT_STATUS_UNSUCCESSFUL;
790 }
791 } else if (local_flags & LOCAL_DELETE_USER) {
792 if (!NT_STATUS_IS_OK(pdb_delete_sam_account(sam_pass))) {
793 slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name);
794 TALLOC_FREE(sam_pass);
795 return NT_STATUS_UNSUCCESSFUL;
796 }
797 slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name);
798 } else {
799 result = pdb_update_sam_account(sam_pass);
800 if(!NT_STATUS_IS_OK(result)) {
801 slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name);
802 TALLOC_FREE(sam_pass);
803 return result;
804 }
805 if(local_flags & LOCAL_DISABLE_USER)
806 slprintf(msg_str, msg_str_len-1, "Disabled user %s.\n", user_name);
807 else if (local_flags & LOCAL_ENABLE_USER)
808 slprintf(msg_str, msg_str_len-1, "Enabled user %s.\n", user_name);
809 else if (local_flags & LOCAL_SET_NO_PASSWORD)
810 slprintf(msg_str, msg_str_len-1, "User %s password set to none.\n", user_name);
811 }
812
813 TALLOC_FREE(sam_pass);
814 return NT_STATUS_OK;
815 }
816
817 /**********************************************************************
818 Marshall/unmarshall struct samu structs.
819 *********************************************************************/
820
821 #define TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
822
823 /*********************************************************************
824 *********************************************************************/
825
826 BOOL init_sam_from_buffer_v3(struct samu *sampass, uint8 *buf, uint32 buflen)
827 {
828
829 /* times are stored as 32bit integer
830 take care on system with 64bit wide time_t
831 --SSS */
832 uint32 logon_time,
833 logoff_time,
834 kickoff_time,
835 bad_password_time,
836 pass_last_set_time,
837 pass_can_change_time,
838 pass_must_change_time;
839 char *username = NULL;
840 char *domain = NULL;
841 char *nt_username = NULL;
842 char *dir_drive = NULL;
843 char *unknown_str = NULL;
844 char *munged_dial = NULL;
845 char *fullname = NULL;
846 char *homedir = NULL;
847 char *logon_script = NULL;
848 char *profile_path = NULL;
849 char *acct_desc = NULL;
850 char *workstations = NULL;
851 uint32 username_len, domain_len, nt_username_len,
852 dir_drive_len, unknown_str_len, munged_dial_len,
853 fullname_len, homedir_len, logon_script_len,
854 profile_path_len, acct_desc_len, workstations_len;
855
856 uint32 user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
857 uint16 logon_divs;
858 uint16 bad_password_count, logon_count;
859 uint8 *hours = NULL;
860 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
861 uint32 len = 0;
862 uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
863 uint32 pwHistLen = 0;
864 BOOL ret = True;
865 fstring tmpstring;
866 BOOL expand_explicit = lp_passdb_expand_explicit();
867
868 if(sampass == NULL || buf == NULL) {
869 DEBUG(0, ("init_sam_from_buffer_v3: NULL parameters found!\n"));
870 return False;
871 }
872
873 /* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
874
875 /* unpack the buffer into variables */
876 len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V3,
877 &logon_time, /* d */
878 &logoff_time, /* d */
879 &kickoff_time, /* d */
880 &bad_password_time, /* d */
881 &pass_last_set_time, /* d */
882 &pass_can_change_time, /* d */
883 &pass_must_change_time, /* d */
884 &username_len, &username, /* B */
885 &domain_len, &domain, /* B */
886 &nt_username_len, &nt_username, /* B */
887 &fullname_len, &fullname, /* B */
888 &homedir_len, &homedir, /* B */
889 &dir_drive_len, &dir_drive, /* B */
890 &logon_script_len, &logon_script, /* B */
891 &profile_path_len, &profile_path, /* B */
892 &acct_desc_len, &acct_desc, /* B */
893 &workstations_len, &workstations, /* B */
894 &unknown_str_len, &unknown_str, /* B */
895 &munged_dial_len, &munged_dial, /* B */
896 &user_rid, /* d */
897 &group_rid, /* d */
898 &lm_pw_len, &lm_pw_ptr, /* B */
899 &nt_pw_len, &nt_pw_ptr, /* B */
900 /* Change from V1 is addition of password history field. */
901 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
902 /* Change from V2 is the uint32 acb_mask */
903 &acct_ctrl, /* d */
904 /* Also "remove_me" field was removed. */
905 &logon_divs, /* w */
906 &hours_len, /* d */
907 &hourslen, &hours, /* B */
908 &bad_password_count, /* w */
909 &logon_count, /* w */
910 &unknown_6); /* d */
911
912 if (len == (uint32) -1) {
913 ret = False;
914 goto done;
915 }
916
917 pdb_set_logon_time(sampass, convert_uint32_to_time_t(logon_time), PDB_SET);
918 pdb_set_logoff_time(sampass, convert_uint32_to_time_t(logoff_time), PDB_SET);
919 pdb_set_kickoff_time(sampass, convert_uint32_to_time_t(kickoff_time), PDB_SET);
920 pdb_set_bad_password_time(sampass, convert_uint32_to_time_t(bad_password_time), PDB_SET);
921 pdb_set_pass_can_change_time(sampass, convert_uint32_to_time_t(pass_can_change_time), PDB_SET);
922 pdb_set_pass_must_change_time(sampass, convert_uint32_to_time_t(pass_must_change_time), PDB_SET);
923 pdb_set_pass_last_set_time(sampass, convert_uint32_to_time_t(pass_last_set_time), PDB_SET);
924
925 pdb_set_username(sampass, username, PDB_SET);
926 pdb_set_domain(sampass, domain, PDB_SET);
927 pdb_set_nt_username(sampass, nt_username, PDB_SET);
928 pdb_set_fullname(sampass, fullname, PDB_SET);
929
930 if (homedir) {
931 fstrcpy( tmpstring, homedir );
932 if (expand_explicit) {
933 standard_sub_basic( username, domain, tmpstring,
934 sizeof(tmpstring) );
935 }
936 pdb_set_homedir(sampass, tmpstring, PDB_SET);
937 }
938 else {
939 pdb_set_homedir(sampass,
940 talloc_sub_basic(sampass, username, domain,
941 lp_logon_home()),
942 PDB_DEFAULT);
943 }
944
945 if (dir_drive)
946 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
947 else
948 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
949
950 if (logon_script) {
951 fstrcpy( tmpstring, logon_script );
952 if (expand_explicit) {
953 standard_sub_basic( username, domain, tmpstring,
954 sizeof(tmpstring) );
955 }
956 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
957 }
958 else {
959 pdb_set_logon_script(sampass,
960 talloc_sub_basic(sampass, username, domain,
961 lp_logon_script()),
962 PDB_DEFAULT);
963 }
964
965 if (profile_path) {
966 fstrcpy( tmpstring, profile_path );
967 if (expand_explicit) {
968 standard_sub_basic( username, domain, tmpstring,
969 sizeof(tmpstring) );
970 }
971 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
972 }
973 else {
974 pdb_set_profile_path(sampass,
975 talloc_sub_basic(sampass, username, domain, lp_logon_path()),
976 PDB_DEFAULT);
977 }
978
979 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
980 pdb_set_workstations(sampass, workstations, PDB_SET);
981 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
982
983 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
984 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
985 ret = False;
986 goto done;
987 }
988 }
989
990 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
991 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
992 ret = False;
993 goto done;
994 }
995 }
996
997 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
998 if (pwHistLen) {
999 uint8 *pw_hist = (uint8 *)SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
1000 if (!pw_hist) {
1001 ret = False;
1002 goto done;
1003 }
1004 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1005 if (nt_pw_hist_ptr && nt_pw_hist_len) {
1006 int i;
1007 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1008 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1009 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1010 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1011 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1012 PW_HISTORY_ENTRY_LEN);
1013 }
1014 }
1015 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1016 SAFE_FREE(pw_hist);
1017 ret = False;
1018 goto done;
1019 }
1020 SAFE_FREE(pw_hist);
1021 } else {
1022 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1023 }
1024
1025 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1026 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1027 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1028 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1029 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1030 /* Change from V2 is the uint32 acct_ctrl */
1031 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1032 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1033 pdb_set_hours(sampass, hours, PDB_SET);
1034
1035 done:
1036
1037 SAFE_FREE(username);
1038 SAFE_FREE(domain);
1039 SAFE_FREE(nt_username);
1040 SAFE_FREE(fullname);
1041 SAFE_FREE(homedir);
1042 SAFE_FREE(dir_drive);
1043 SAFE_FREE(logon_script);
1044 SAFE_FREE(profile_path);
1045 SAFE_FREE(acct_desc);
1046 SAFE_FREE(workstations);
1047 SAFE_FREE(munged_dial);
1048 SAFE_FREE(unknown_str);
1049 SAFE_FREE(lm_pw_ptr);
1050 SAFE_FREE(nt_pw_ptr);
1051 SAFE_FREE(nt_pw_hist_ptr);
1052 SAFE_FREE(hours);
1053
1054 return ret;
1055 }
1056
1057 /*********************************************************************
1058 *********************************************************************/
1059
1060 uint32 init_buffer_from_sam_v3 (uint8 **buf, struct samu *sampass, BOOL size_only)
1061 {
1062 size_t len, buflen;
1063
1064 /* times are stored as 32bit integer
1065 take care on system with 64bit wide time_t
1066 --SSS */
1067 uint32 logon_time,
1068 logoff_time,
1069 kickoff_time,
1070 bad_password_time,
1071 pass_last_set_time,
1072 pass_can_change_time,
1073 pass_must_change_time;
1074
1075 uint32 user_rid, group_rid;
1076
1077 const char *username;
1078 const char *domain;
1079 const char *nt_username;
1080 const char *dir_drive;
1081 const char *unknown_str;
1082 const char *munged_dial;
1083 const char *fullname;
1084 const char *homedir;
1085 const char *logon_script;
1086 const char *profile_path;
1087 const char *acct_desc;
1088 const char *workstations;
1089 uint32 username_len, domain_len, nt_username_len,
1090 dir_drive_len, unknown_str_len, munged_dial_len,
1091 fullname_len, homedir_len, logon_script_len,
1092 profile_path_len, acct_desc_len, workstations_len;
1093
1094 const uint8 *lm_pw;
1095 const uint8 *nt_pw;
1096 const uint8 *nt_pw_hist;
1097 uint32 lm_pw_len = 16;
1098 uint32 nt_pw_len = 16;
1099 uint32 nt_pw_hist_len;
1100 uint32 pwHistLen = 0;
1101
1102 *buf = NULL;
1103 buflen = 0;
1104
1105 logon_time = convert_time_t_to_uint32(pdb_get_logon_time(sampass));
1106 logoff_time = convert_time_t_to_uint32(pdb_get_logoff_time(sampass));
1107 kickoff_time = convert_time_t_to_uint32(pdb_get_kickoff_time(sampass));
1108 bad_password_time = convert_time_t_to_uint32(pdb_get_bad_password_time(sampass));
1109 pass_can_change_time = convert_time_t_to_uint32(pdb_get_pass_can_change_time_noncalc(sampass));
1110 pass_must_change_time = convert_time_t_to_uint32(pdb_get_pass_must_change_time(sampass));
1111 pass_last_set_time = convert_time_t_to_uint32(pdb_get_pass_last_set_time(sampass));
1112
1113 user_rid = pdb_get_user_rid(sampass);
1114 group_rid = pdb_get_group_rid(sampass);
1115
1116 username = pdb_get_username(sampass);
1117 if (username) {
1118 username_len = strlen(username) +1;
1119 } else {
1120 username_len = 0;
1121 }
1122
1123 domain = pdb_get_domain(sampass);
1124 if (domain) {
1125 domain_len = strlen(domain) +1;
1126 } else {
1127 domain_len = 0;
1128 }
1129
1130 nt_username = pdb_get_nt_username(sampass);
1131 if (nt_username) {
1132 nt_username_len = strlen(nt_username) +1;
1133 } else {
1134 nt_username_len = 0;
1135 }
1136
1137 fullname = pdb_get_fullname(sampass);
1138 if (fullname) {
1139 fullname_len = strlen(fullname) +1;
1140 } else {
1141 fullname_len = 0;
1142 }
1143
1144 /*
1145 * Only updates fields which have been set (not defaults from smb.conf)
1146 */
1147
1148 if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1149 dir_drive = pdb_get_dir_drive(sampass);
1150 } else {
1151 dir_drive = NULL;
1152 }
1153 if (dir_drive) {
1154 dir_drive_len = strlen(dir_drive) +1;
1155 } else {
1156 dir_drive_len = 0;
1157 }
1158
1159 if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1160 homedir = pdb_get_homedir(sampass);
1161 } else {
1162 homedir = NULL;
1163 }
1164 if (homedir) {
1165 homedir_len = strlen(homedir) +1;
1166 } else {
1167 homedir_len = 0;
1168 }
1169
1170 if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1171 logon_script = pdb_get_logon_script(sampass);
1172 } else {
1173 logon_script = NULL;
1174 }
1175 if (logon_script) {
1176 logon_script_len = strlen(logon_script) +1;
1177 } else {
1178 logon_script_len = 0;
1179 }
1180
1181 if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1182 profile_path = pdb_get_profile_path(sampass);
1183 } else {
1184 profile_path = NULL;
1185 }
1186 if (profile_path) {
1187 profile_path_len = strlen(profile_path) +1;
1188 } else {
1189 profile_path_len = 0;
1190 }
1191
1192 lm_pw = pdb_get_lanman_passwd(sampass);
1193 if (!lm_pw) {
1194 lm_pw_len = 0;
1195 }
1196
1197 nt_pw = pdb_get_nt_passwd(sampass);
1198 if (!nt_pw) {
1199 nt_pw_len = 0;
1200 }
1201
1202 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1203 nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
1204 if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1205 nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1206 } else {
1207 nt_pw_hist_len = 0;
1208 }
1209
1210 acct_desc = pdb_get_acct_desc(sampass);
1211 if (acct_desc) {
1212 acct_desc_len = strlen(acct_desc) +1;
1213 } else {
1214 acct_desc_len = 0;
1215 }
1216
1217 workstations = pdb_get_workstations(sampass);
1218 if (workstations) {
1219 workstations_len = strlen(workstations) +1;
1220 } else {
1221 workstations_len = 0;
1222 }
1223
1224 unknown_str = NULL;
1225 unknown_str_len = 0;
1226
1227 munged_dial = pdb_get_munged_dial(sampass);
1228 if (munged_dial) {
1229 munged_dial_len = strlen(munged_dial) +1;
1230 } else {
1231 munged_dial_len = 0;
1232 }
1233
1234 /* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1235
1236 /* one time to get the size needed */
1237 len = tdb_pack(NULL, 0, TDB_FORMAT_STRING_V3,
1238 logon_time, /* d */
1239 logoff_time, /* d */
1240 kickoff_time, /* d */
1241 bad_password_time, /* d */
1242 pass_last_set_time, /* d */
1243 pass_can_change_time, /* d */
1244 pass_must_change_time, /* d */
1245 username_len, username, /* B */
1246 domain_len, domain, /* B */
1247 nt_username_len, nt_username, /* B */
1248 fullname_len, fullname, /* B */
1249 homedir_len, homedir, /* B */
1250 dir_drive_len, dir_drive, /* B */
1251 logon_script_len, logon_script, /* B */
1252 profile_path_len, profile_path, /* B */
1253 acct_desc_len, acct_desc, /* B */
1254 workstations_len, workstations, /* B */
1255 unknown_str_len, unknown_str, /* B */
1256 munged_dial_len, munged_dial, /* B */
1257 user_rid, /* d */
1258 group_rid, /* d */
1259 lm_pw_len, lm_pw, /* B */
1260 nt_pw_len, nt_pw, /* B */
1261 nt_pw_hist_len, nt_pw_hist, /* B */
1262 pdb_get_acct_ctrl(sampass), /* d */
1263 pdb_get_logon_divs(sampass), /* w */
1264 pdb_get_hours_len(sampass), /* d */
1265 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1266 pdb_get_bad_password_count(sampass), /* w */
1267 pdb_get_logon_count(sampass), /* w */
1268 pdb_get_unknown_6(sampass)); /* d */
1269
1270 if (size_only) {
1271 return buflen;
1272 }
1273
1274 /* malloc the space needed */
1275 if ( (*buf=(uint8*)SMB_MALLOC(len)) == NULL) {
1276 DEBUG(0,("init_buffer_from_sam_v3: Unable to malloc() memory for buffer!\n"));
1277 return (-1);
1278 }
1279
1280 /* now for the real call to tdb_pack() */
1281 buflen = tdb_pack((char *)*buf, len, TDB_FORMAT_STRING_V3,
1282 logon_time, /* d */
1283 logoff_time, /* d */
1284 kickoff_time, /* d */
1285 bad_password_time, /* d */
1286 pass_last_set_time, /* d */
1287 pass_can_change_time, /* d */
1288 pass_must_change_time, /* d */
1289 username_len, username, /* B */
1290 domain_len, domain, /* B */
1291 nt_username_len, nt_username, /* B */
1292 fullname_len, fullname, /* B */
1293 homedir_len, homedir, /* B */
1294 dir_drive_len, dir_drive, /* B */
1295 logon_script_len, logon_script, /* B */
1296 profile_path_len, profile_path, /* B */
1297 acct_desc_len, acct_desc, /* B */
1298 workstations_len, workstations, /* B */
1299 unknown_str_len, unknown_str, /* B */
1300 munged_dial_len, munged_dial, /* B */
1301 user_rid, /* d */
1302 group_rid, /* d */
1303 lm_pw_len, lm_pw, /* B */
1304 nt_pw_len, nt_pw, /* B */
1305 nt_pw_hist_len, nt_pw_hist, /* B */
1306 pdb_get_acct_ctrl(sampass), /* d */
1307 pdb_get_logon_divs(sampass), /* w */
1308 pdb_get_hours_len(sampass), /* d */
1309 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1310 pdb_get_bad_password_count(sampass), /* w */
1311 pdb_get_logon_count(sampass), /* w */
1312 pdb_get_unknown_6(sampass)); /* d */
1313
1314 /* check to make sure we got it correct */
1315 if (buflen != len) {
1316 DEBUG(0, ("init_buffer_from_sam_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
1317 (unsigned long)buflen, (unsigned long)len));
1318 /* error */
1319 SAFE_FREE (*buf);
1320 return (-1);
1321 }
1322
1323 return (buflen);
1324 }
1325
1326
1327 /*********************************************************************
1328 *********************************************************************/
1329
1330 BOOL pdb_copy_sam_account(struct samu *dst, struct samu *src )
1331 {
1332 uint8 *buf = NULL;
1333 int len;
1334
1335 len = init_buffer_from_sam_v3(&buf, src, False);
1336 if (len == -1 || !buf) {
1337 SAFE_FREE(buf);
1338 return False;
1339 }
1340
1341 if (!init_sam_from_buffer_v3( dst, buf, len )) {
1342 free(buf);
1343 return False;
1344 }
1345
1346 dst->methods = src->methods;
1347
1348 if ( src->unix_pw ) {
1349 dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
1350 if (!dst->unix_pw) {
1351 free(buf);
1352 return False;
1353 }
1354 }
1355
1356 free(buf);
1357 return True;
1358 }
1359
1360 /*********************************************************************
1361 Update the bad password count checking the AP_RESET_COUNT_TIME
1362 *********************************************************************/
1363
1364 BOOL pdb_update_bad_password_count(struct samu *sampass, BOOL *updated)
1365 {
1366 time_t LastBadPassword;
1367 uint16 BadPasswordCount;
1368 uint32 resettime;
1369 BOOL res;
1370
1371 BadPasswordCount = pdb_get_bad_password_count(sampass);
1372 if (!BadPasswordCount) {
1373 DEBUG(9, ("No bad password attempts.\n"));
1374 return True;
1375 }
1376
1377 become_root();
1378 res = pdb_get_account_policy(AP_RESET_COUNT_TIME, &resettime);
1379 unbecome_root();
1380
1381 if (!res) {
1382 DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
1383 return False;
1384 }
1385
1386 /* First, check if there is a reset time to compare */
1387 if ((resettime == (uint32) -1) || (resettime == 0)) {
1388 DEBUG(9, ("No reset time, can't reset bad pw count\n"));
1389 return True;
1390 }
1391
1392 LastBadPassword = pdb_get_bad_password_time(sampass);
1393 DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
1394 (uint32) LastBadPassword, resettime, (uint32)time(NULL)));
1395 if (time(NULL) > (LastBadPassword + convert_uint32_to_time_t(resettime)*60)){
1396 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
1397 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
1398 if (updated) {
1399 *updated = True;
1400 }
1401 }
1402
1403 return True;
1404 }
1405
1406 /*********************************************************************
1407 Update the ACB_AUTOLOCK flag checking the AP_LOCK_ACCOUNT_DURATION
1408 *********************************************************************/
1409
1410 BOOL pdb_update_autolock_flag(struct samu *sampass, BOOL *updated)
1411 {
1412 uint32 duration;
1413 time_t LastBadPassword;
1414 BOOL res;
1415
1416 if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
1417 DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
1418 pdb_get_username(sampass)));
1419 return True;
1420 }
1421
1422 become_root();
1423 res = pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &duration);
1424 unbecome_root();
1425
1426 if (!res) {
1427 DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
1428 return False;
1429 }
1430
1431 /* First, check if there is a duration to compare */
1432 if ((duration == (uint32) -1) || (duration == 0)) {
1433 DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
1434 return True;
1435 }
1436
1437 LastBadPassword = pdb_get_bad_password_time(sampass);
1438 DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
1439 pdb_get_username(sampass), (uint32)LastBadPassword, duration*60, (uint32)time(NULL)));
1440
1441 if (LastBadPassword == (time_t)0) {
1442 DEBUG(1,("pdb_update_autolock_flag: Account %s administratively locked out with no \
1443 bad password time. Leaving locked out.\n",
1444 pdb_get_username(sampass) ));
1445 return True;
1446 }
1447
1448 if ((time(NULL) > (LastBadPassword + convert_uint32_to_time_t(duration) * 60))) {
1449 pdb_set_acct_ctrl(sampass,
1450 pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
1451 PDB_CHANGED);
1452 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
1453 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
1454 if (updated) {
1455 *updated = True;
1456 }
1457 }
1458
1459 return True;
1460 }
1461
1462 /*********************************************************************
1463 Increment the bad_password_count
1464 *********************************************************************/
1465
1466 BOOL pdb_increment_bad_password_count(struct samu *sampass)
1467 {
1468 uint32 account_policy_lockout;
1469 BOOL autolock_updated = False, badpw_updated = False;
1470 BOOL ret;
1471
1472 /* Retrieve the account lockout policy */
1473 become_root();
1474 ret = pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
1475 unbecome_root();
1476 if ( !ret ) {
1477 DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
1478 return False;
1479 }
1480
1481 /* If there is no policy, we don't need to continue checking */
1482 if (!account_policy_lockout) {
1483 DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
1484 return True;
1485 }
1486
1487 /* Check if the autolock needs to be cleared */
1488 if (!pdb_update_autolock_flag(sampass, &autolock_updated))
1489 return False;
1490
1491 /* Check if the badpw count needs to be reset */
1492 if (!pdb_update_bad_password_count(sampass, &badpw_updated))
1493 return False;
1494
1495 /*
1496 Ok, now we can assume that any resetting that needs to be
1497 done has been done, and just get on with incrementing
1498 and autolocking if necessary
1499 */
1500
1501 pdb_set_bad_password_count(sampass,
1502 pdb_get_bad_password_count(sampass)+1,
1503 PDB_CHANGED);
1504 pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
1505
1506
1507 if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
1508 return True;
1509
1510 if (!pdb_set_acct_ctrl(sampass,
1511 pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
1512 PDB_CHANGED)) {
1513 DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
1514 return False;
1515 }
1516
1517 return True;
1518 }
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