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r13776: Merge in the editposix ldapsam optimization
[Samba/bb.git] / source3 / passdb / passdb.c
blobd795888180fba83a96ad8c9c97b6df2072dd6969
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 uint32 urid;
140
141 if ( !pwd ) {
142 return NT_STATUS_NO_SUCH_USER;
143 }
144
145 /* Basic properties based upon the Unix account information */
146
147 pdb_set_username(user, pwd->pw_name, PDB_SET);
148 pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
149 pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
150
151 /* save the password structure for later use */
152
153 user->unix_pw = tcopy_passwd( user, pwd );
154
155 /* Special case for the guest account which must have a RID of 501 */
156
157 if ( strequal( pwd->pw_name, guest_account ) ) {
158 if ( !pdb_set_user_sid_from_rid(user, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
159 return NT_STATUS_NO_SUCH_USER;
160 }
161 return NT_STATUS_OK;
162 }
163
164 /* Non-guest accounts...Check for a workstation or user account */
165
166 if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
167 /* workstation */
168
169 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
170 DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
171 pwd->pw_name));
172 return NT_STATUS_INVALID_COMPUTER_NAME;
173 }
174 }
175 else {
176 /* user */
177
178 if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
179 DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
180 pwd->pw_name));
181 return NT_STATUS_INVALID_ACCOUNT_NAME;
182 }
183
184 /* set some basic attributes */
185
186 pdb_set_profile_path(user, talloc_sub_specified(user,
187 lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
188 PDB_DEFAULT);
189 pdb_set_homedir(user, talloc_sub_specified(user,
190 lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
191 PDB_DEFAULT);
192 pdb_set_dir_drive(user, talloc_sub_specified(user,
193 lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
194 PDB_DEFAULT);
195 pdb_set_logon_script(user, talloc_sub_specified(user,
196 lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
197 PDB_DEFAULT);
198 }
199
200 /* Now deal with the user SID. If we have a backend that can generate
201 RIDs, then do so. But sometimes the caller just wanted a structure
202 initialized and will fill in these fields later (such as from a
203 NET_USER_INFO_3 structure) */
204
205 if ( create && !pdb_rid_algorithm() ) {
206 uint32 user_rid;
207 DOM_SID user_sid;
208
209 if ( !pdb_new_rid( &user_rid ) ) {
210 DEBUG(3, ("Could not allocate a new RID\n"));
211 return NT_STATUS_ACCESS_DENIED;
212 }
213
214 sid_copy( &user_sid, get_global_sam_sid() );
215 sid_append_rid( &user_sid, user_rid );
216
217 if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
218 DEBUG(3, ("pdb_set_user_sid failed\n"));
219 return NT_STATUS_INTERNAL_ERROR;
220 }
221
222 return NT_STATUS_OK;
223 }
224
225 /* generate a SID for the user with the RID algorithm */
226
227 urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
228
229 if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
230 return NT_STATUS_INTERNAL_ERROR;
231 }
232
233 return NT_STATUS_OK;
234 }
235
236 /********************************************************************
237 Set the Unix user attributes
238 ********************************************************************/
239
240 NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
241 {
242 return samu_set_unix_internal( user, pwd, False );
243 }
244
245 NTSTATUS samu_alloc_rid_unix(struct samu *user, const struct passwd *pwd)
246 {
247 return samu_set_unix_internal( user, pwd, True );
248 }
249
250 /**********************************************************
251 Encode the account control bits into a string.
252 length = length of string to encode into (including terminating
253 null). length *MUST BE MORE THAN 2* !
254 **********************************************************/
255
256 char *pdb_encode_acct_ctrl(uint32 acct_ctrl, size_t length)
257 {
258 static fstring acct_str;
259
260 size_t i = 0;
261
262 SMB_ASSERT(length <= sizeof(acct_str));
263
264 acct_str[i++] = '[';
265
266 if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
267 if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
268 if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
269 if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
270 if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
271 if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
272 if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
273 if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
274 if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
275 if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
276 if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
277
278 for ( ; i < length - 2 ; i++ )
279 acct_str[i] = ' ';
280
281 i = length - 2;
282 acct_str[i++] = ']';
283 acct_str[i++] = '\0';
284
285 return acct_str;
286 }
287
288 /**********************************************************
289 Decode the account control bits from a string.
290 **********************************************************/
291
292 uint32 pdb_decode_acct_ctrl(const char *p)
293 {
294 uint32 acct_ctrl = 0;
295 BOOL finished = False;
296
297 /*
298 * Check if the account type bits have been encoded after the
299 * NT password (in the form [NDHTUWSLXI]).
300 */
301
302 if (*p != '[')
303 return 0;
304
305 for (p++; *p && !finished; p++) {
306 switch (*p) {
307 case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
308 case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
309 case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
310 case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
311 case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
312 case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
313 case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
314 case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
315 case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
316 case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
317 case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
318 case ' ': { break; }
319 case ':':
320 case '\n':
321 case '\0':
322 case ']':
323 default: { finished = True; }
324 }
325 }
326
327 return acct_ctrl;
328 }
329
330 /*************************************************************
331 Routine to set 32 hex password characters from a 16 byte array.
332 **************************************************************/
333
334 void pdb_sethexpwd(char *p, const unsigned char *pwd, uint32 acct_ctrl)
335 {
336 if (pwd != NULL) {
337 int i;
338 for (i = 0; i < 16; i++)
339 slprintf(&p[i*2], 3, "%02X", pwd[i]);
340 } else {
341 if (acct_ctrl & ACB_PWNOTREQ)
342 safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
343 else
344 safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
345 }
346 }
347
348 /*************************************************************
349 Routine to get the 32 hex characters and turn them
350 into a 16 byte array.
351 **************************************************************/
352
353 BOOL pdb_gethexpwd(const char *p, unsigned char *pwd)
354 {
355 int i;
356 unsigned char lonybble, hinybble;
357 const char *hexchars = "0123456789ABCDEF";
358 char *p1, *p2;
359
360 if (!p)
361 return (False);
362
363 for (i = 0; i < 32; i += 2) {
364 hinybble = toupper_ascii(p[i]);
365 lonybble = toupper_ascii(p[i + 1]);
366
367 p1 = strchr(hexchars, hinybble);
368 p2 = strchr(hexchars, lonybble);
369
370 if (!p1 || !p2)
371 return (False);
372
373 hinybble = PTR_DIFF(p1, hexchars);
374 lonybble = PTR_DIFF(p2, hexchars);
375
376 pwd[i / 2] = (hinybble << 4) | lonybble;
377 }
378 return (True);
379 }
380
381 /*************************************************************
382 Routine to set 42 hex hours characters from a 21 byte array.
383 **************************************************************/
384
385 void pdb_sethexhours(char *p, const unsigned char *hours)
386 {
387 if (hours != NULL) {
388 int i;
389 for (i = 0; i < 21; i++) {
390 slprintf(&p[i*2], 3, "%02X", hours[i]);
391 }
392 } else {
393 safe_strcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 43);
394 }
395 }
396
397 /*************************************************************
398 Routine to get the 42 hex characters and turn them
399 into a 21 byte array.
400 **************************************************************/
401
402 BOOL pdb_gethexhours(const char *p, unsigned char *hours)
403 {
404 int i;
405 unsigned char lonybble, hinybble;
406 const char *hexchars = "0123456789ABCDEF";
407 char *p1, *p2;
408
409 if (!p) {
410 return (False);
411 }
412
413 for (i = 0; i < 42; i += 2) {
414 hinybble = toupper_ascii(p[i]);
415 lonybble = toupper_ascii(p[i + 1]);
416
417 p1 = strchr(hexchars, hinybble);
418 p2 = strchr(hexchars, lonybble);
419
420 if (!p1 || !p2) {
421 return (False);
422 }
423
424 hinybble = PTR_DIFF(p1, hexchars);
425 lonybble = PTR_DIFF(p2, hexchars);
426
427 hours[i / 2] = (hinybble << 4) | lonybble;
428 }
429 return (True);
430 }
431
432 /********************************************************************
433 ********************************************************************/
434
435 int algorithmic_rid_base(void)
436 {
437 static int rid_offset = 0;
438
439 if (rid_offset != 0)
440 return rid_offset;
441
442 rid_offset = lp_algorithmic_rid_base();
443
444 if (rid_offset < BASE_RID) {
445 /* Try to prevent admin foot-shooting, we can't put algorithmic
446 rids below 1000, that's the 'well known RIDs' on NT */
447 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
448 rid_offset = BASE_RID;
449 }
450 if (rid_offset & 1) {
451 DEBUG(0, ("algorithmic rid base must be even\n"));
452 rid_offset += 1;
453 }
454 return rid_offset;
455 }
456
457 /*******************************************************************
458 Converts NT user RID to a UNIX uid.
459 ********************************************************************/
460
461 uid_t algorithmic_pdb_user_rid_to_uid(uint32 user_rid)
462 {
463 int rid_offset = algorithmic_rid_base();
464 return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
465 }
466
467 uid_t max_algorithmic_uid(void)
468 {
469 return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
470 }
471
472 /*******************************************************************
473 converts UNIX uid to an NT User RID.
474 ********************************************************************/
475
476 uint32 algorithmic_pdb_uid_to_user_rid(uid_t uid)
477 {
478 int rid_offset = algorithmic_rid_base();
479 return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
480 }
481
482 /*******************************************************************
483 Converts NT group RID to a UNIX gid.
484 ********************************************************************/
485
486 gid_t pdb_group_rid_to_gid(uint32 group_rid)
487 {
488 int rid_offset = algorithmic_rid_base();
489 return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
490 }
491
492 gid_t max_algorithmic_gid(void)
493 {
494 return pdb_group_rid_to_gid(0xffffffff);
495 }
496
497 /*******************************************************************
498 converts NT Group RID to a UNIX uid.
499
500 warning: you must not call that function only
501 you must do a call to the group mapping first.
502 there is not anymore a direct link between the gid and the rid.
503 ********************************************************************/
504
505 uint32 pdb_gid_to_group_rid(gid_t gid)
506 {
507 int rid_offset = algorithmic_rid_base();
508 return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
509 }
510
511 /*******************************************************************
512 Decides if a RID is a well known RID.
513 ********************************************************************/
514
515 static BOOL rid_is_well_known(uint32 rid)
516 {
517 /* Not using rid_offset here, because this is the actual
518 NT fixed value (1000) */
519
520 return (rid < BASE_RID);
521 }
522
523 /*******************************************************************
524 Decides if a RID is a user or group RID.
525 ********************************************************************/
526
527 BOOL algorithmic_pdb_rid_is_user(uint32 rid)
528 {
529 if ( rid_is_well_known(rid) ) {
530 /*
531 * The only well known user RIDs are DOMAIN_USER_RID_ADMIN
532 * and DOMAIN_USER_RID_GUEST.
533 */
534 if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
535 return True;
536 } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
537 return True;
538 }
539 return False;
540 }
541
542 /*******************************************************************
543 Convert a name into a SID. Used in the lookup name rpc.
544 ********************************************************************/
545
546 BOOL lookup_global_sam_name(const char *user, int flags, uint32_t *rid,
547 enum SID_NAME_USE *type)
548 {
549 GROUP_MAP map;
550 BOOL ret;
551
552 /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
553 * correctly in the case where foo also exists as a user. If the flag
554 * is set, don't look for users at all. */
555
556 if ((flags & LOOKUP_NAME_GROUP) == 0) {
557 struct samu *sam_account = NULL;
558 DOM_SID user_sid;
559
560 if ( !(sam_account = samu_new( NULL )) ) {
561 return False;
562 }
563
564 become_root();
565 ret = pdb_getsampwnam(sam_account, user);
566 unbecome_root();
567
568 if (ret) {
569 sid_copy(&user_sid, pdb_get_user_sid(sam_account));
570 }
571
572 TALLOC_FREE(sam_account);
573
574 if (ret) {
575 if (!sid_check_is_in_our_domain(&user_sid)) {
576 DEBUG(0, ("User %s with invalid SID %s in passdb\n",
577 user, sid_string_static(&user_sid)));
578 return False;
579 }
580
581 sid_peek_rid(&user_sid, rid);
582 *type = SID_NAME_USER;
583 return True;
584 }
585 }
586
587 /*
588 * Maybe it is a group ?
589 */
590
591 become_root();
592 ret = pdb_getgrnam(&map, user);
593 unbecome_root();
594
595 if (!ret) {
596 return False;
597 }
598
599 /* BUILTIN groups are looked up elsewhere */
600 if (!sid_check_is_in_our_domain(&map.sid)) {
601 DEBUG(10, ("Found group %s (%s) not in our domain -- "
602 "ignoring.", user,
603 sid_string_static(&map.sid)));
604 return False;
605 }
606
607 /* yes it's a mapped group */
608 sid_peek_rid(&map.sid, rid);
609 *type = map.sid_name_use;
610 return True;
611 }
612
613 /*************************************************************
614 Change a password entry in the local smbpasswd file.
615 *************************************************************/
616
617 NTSTATUS local_password_change(const char *user_name, int local_flags,
618 const char *new_passwd,
619 char *err_str, size_t err_str_len,
620 char *msg_str, size_t msg_str_len)
621 {
622 struct samu *sam_pass=NULL;
623 uint32 other_acb;
624 NTSTATUS result;
625
626 *err_str = '\0';
627 *msg_str = '\0';
628
629 /* Get the smb passwd entry for this user */
630
631 if ( !(sam_pass = samu_new( NULL )) ) {
632 return NT_STATUS_NO_MEMORY;
633 }
634
635 become_root();
636 if(!pdb_getsampwnam(sam_pass, user_name)) {
637 unbecome_root();
638 TALLOC_FREE(sam_pass);
639
640 if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) {
641 int tmp_debug = DEBUGLEVEL;
642 struct passwd *pwd;
643
644 /* Might not exist in /etc/passwd. */
645
646 if (tmp_debug < 1) {
647 DEBUGLEVEL = 1;
648 }
649
650 if ( !(pwd = getpwnam_alloc( NULL, user_name)) ) {
651 return NT_STATUS_NO_SUCH_USER;
652 }
653
654 /* create the struct samu and initialize the basic Unix properties */
655
656 if ( !(sam_pass = samu_new( NULL )) ) {
657 return NT_STATUS_NO_MEMORY;
658 }
659
660 result = samu_set_unix( sam_pass, pwd );
661
662 DEBUGLEVEL = tmp_debug;
663
664 TALLOC_FREE( pwd );
665
666 if (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PRIMARY_GROUP)) {
667 return result;
668 }
669
670 if (!NT_STATUS_IS_OK(result)) {
671 slprintf(err_str, err_str_len-1, "Failed to " "initialize account for user %s: %s\n",
672 user_name, nt_errstr(result));
673 return result;
674 }
675 } else {
676 slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name);
677 return NT_STATUS_NO_SUCH_USER;
678 }
679 } else {
680 unbecome_root();
681 /* the entry already existed */
682 local_flags &= ~LOCAL_ADD_USER;
683 }
684
685 /* the 'other' acb bits not being changed here */
686 other_acb = (pdb_get_acct_ctrl(sam_pass) & (!(ACB_WSTRUST|ACB_DOMTRUST|ACB_SVRTRUST|ACB_NORMAL)));
687 if (local_flags & LOCAL_TRUST_ACCOUNT) {
688 if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST | other_acb, PDB_CHANGED) ) {
689 slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name);
690 TALLOC_FREE(sam_pass);
691 return NT_STATUS_UNSUCCESSFUL;
692 }
693 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
694 if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) {
695 slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name);
696 TALLOC_FREE(sam_pass);
697 return NT_STATUS_UNSUCCESSFUL;
698 }
699 } else {
700 if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) {
701 slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name);
702 TALLOC_FREE(sam_pass);
703 return NT_STATUS_UNSUCCESSFUL;
704 }
705 }
706
707 /*
708 * We are root - just write the new password
709 * and the valid last change time.
710 */
711
712 if (local_flags & LOCAL_DISABLE_USER) {
713 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) {
714 slprintf(err_str, err_str_len-1, "Failed to set 'disabled' flag for user %s.\n", user_name);
715 TALLOC_FREE(sam_pass);
716 return NT_STATUS_UNSUCCESSFUL;
717 }
718 } else if (local_flags & LOCAL_ENABLE_USER) {
719 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
720 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
721 TALLOC_FREE(sam_pass);
722 return NT_STATUS_UNSUCCESSFUL;
723 }
724 }
725
726 if (local_flags & LOCAL_SET_NO_PASSWORD) {
727 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) {
728 slprintf(err_str, err_str_len-1, "Failed to set 'no password required' flag for user %s.\n", user_name);
729 TALLOC_FREE(sam_pass);
730 return NT_STATUS_UNSUCCESSFUL;
731 }
732 } else if (local_flags & LOCAL_SET_PASSWORD) {
733 /*
734 * If we're dealing with setting a completely empty user account
735 * ie. One with a password of 'XXXX', but not set disabled (like
736 * an account created from scratch) then if the old password was
737 * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
738 * We remove that as we're giving this user their first password
739 * and the decision hasn't really been made to disable them (ie.
740 * don't create them disabled). JRA.
741 */
742 if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
743 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
744 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
745 TALLOC_FREE(sam_pass);
746 return NT_STATUS_UNSUCCESSFUL;
747 }
748 }
749 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
750 slprintf(err_str, err_str_len-1, "Failed to unset 'no password required' flag for user %s.\n", user_name);
751 TALLOC_FREE(sam_pass);
752 return NT_STATUS_UNSUCCESSFUL;
753 }
754
755 if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
756 slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name);
757 TALLOC_FREE(sam_pass);
758 return NT_STATUS_UNSUCCESSFUL;
759 }
760 }
761
762 if (local_flags & LOCAL_ADD_USER) {
763 if (NT_STATUS_IS_OK(pdb_add_sam_account(sam_pass))) {
764 slprintf(msg_str, msg_str_len-1, "Added user %s.\n", user_name);
765 TALLOC_FREE(sam_pass);
766 return NT_STATUS_OK;
767 } else {
768 slprintf(err_str, err_str_len-1, "Failed to add entry for user %s.\n", user_name);
769 TALLOC_FREE(sam_pass);
770 return NT_STATUS_UNSUCCESSFUL;
771 }
772 } else if (local_flags & LOCAL_DELETE_USER) {
773 if (!NT_STATUS_IS_OK(pdb_delete_sam_account(sam_pass))) {
774 slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name);
775 TALLOC_FREE(sam_pass);
776 return NT_STATUS_UNSUCCESSFUL;
777 }
778 slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name);
779 } else {
780 result = pdb_update_sam_account(sam_pass);
781 if(!NT_STATUS_IS_OK(result)) {
782 slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name);
783 TALLOC_FREE(sam_pass);
784 return result;
785 }
786 if(local_flags & LOCAL_DISABLE_USER)
787 slprintf(msg_str, msg_str_len-1, "Disabled user %s.\n", user_name);
788 else if (local_flags & LOCAL_ENABLE_USER)
789 slprintf(msg_str, msg_str_len-1, "Enabled user %s.\n", user_name);
790 else if (local_flags & LOCAL_SET_NO_PASSWORD)
791 slprintf(msg_str, msg_str_len-1, "User %s password set to none.\n", user_name);
792 }
793
794 TALLOC_FREE(sam_pass);
795 return NT_STATUS_OK;
796 }
797
798 /**********************************************************************
799 Marshall/unmarshall struct samu structs.
800 *********************************************************************/
801
802 #define TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
803
804 /*********************************************************************
805 *********************************************************************/
806
807 BOOL init_sam_from_buffer_v3(struct samu *sampass, uint8 *buf, uint32 buflen)
808 {
809
810 /* times are stored as 32bit integer
811 take care on system with 64bit wide time_t
812 --SSS */
813 uint32 logon_time,
814 logoff_time,
815 kickoff_time,
816 bad_password_time,
817 pass_last_set_time,
818 pass_can_change_time,
819 pass_must_change_time;
820 char *username = NULL;
821 char *domain = NULL;
822 char *nt_username = NULL;
823 char *dir_drive = NULL;
824 char *unknown_str = NULL;
825 char *munged_dial = NULL;
826 char *fullname = NULL;
827 char *homedir = NULL;
828 char *logon_script = NULL;
829 char *profile_path = NULL;
830 char *acct_desc = NULL;
831 char *workstations = NULL;
832 uint32 username_len, domain_len, nt_username_len,
833 dir_drive_len, unknown_str_len, munged_dial_len,
834 fullname_len, homedir_len, logon_script_len,
835 profile_path_len, acct_desc_len, workstations_len;
836
837 uint32 user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
838 uint16 logon_divs;
839 uint16 bad_password_count, logon_count;
840 uint8 *hours = NULL;
841 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
842 uint32 len = 0;
843 uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
844 uint32 pwHistLen = 0;
845 BOOL ret = True;
846 fstring tmpstring;
847 BOOL expand_explicit = lp_passdb_expand_explicit();
848
849 if(sampass == NULL || buf == NULL) {
850 DEBUG(0, ("init_sam_from_buffer_v3: NULL parameters found!\n"));
851 return False;
852 }
853
854 /* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
855
856 /* unpack the buffer into variables */
857 len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V3,
858 &logon_time, /* d */
859 &logoff_time, /* d */
860 &kickoff_time, /* d */
861 &bad_password_time, /* d */
862 &pass_last_set_time, /* d */
863 &pass_can_change_time, /* d */
864 &pass_must_change_time, /* d */
865 &username_len, &username, /* B */
866 &domain_len, &domain, /* B */
867 &nt_username_len, &nt_username, /* B */
868 &fullname_len, &fullname, /* B */
869 &homedir_len, &homedir, /* B */
870 &dir_drive_len, &dir_drive, /* B */
871 &logon_script_len, &logon_script, /* B */
872 &profile_path_len, &profile_path, /* B */
873 &acct_desc_len, &acct_desc, /* B */
874 &workstations_len, &workstations, /* B */
875 &unknown_str_len, &unknown_str, /* B */
876 &munged_dial_len, &munged_dial, /* B */
877 &user_rid, /* d */
878 &group_rid, /* d */
879 &lm_pw_len, &lm_pw_ptr, /* B */
880 &nt_pw_len, &nt_pw_ptr, /* B */
881 /* Change from V1 is addition of password history field. */
882 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
883 /* Change from V2 is the uint32 acb_mask */
884 &acct_ctrl, /* d */
885 /* Also "remove_me" field was removed. */
886 &logon_divs, /* w */
887 &hours_len, /* d */
888 &hourslen, &hours, /* B */
889 &bad_password_count, /* w */
890 &logon_count, /* w */
891 &unknown_6); /* d */
892
893 if (len == (uint32) -1) {
894 ret = False;
895 goto done;
896 }
897
898 pdb_set_logon_time(sampass, logon_time, PDB_SET);
899 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
900 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
901 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
902 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
903 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
904 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
905
906 pdb_set_username(sampass, username, PDB_SET);
907 pdb_set_domain(sampass, domain, PDB_SET);
908 pdb_set_nt_username(sampass, nt_username, PDB_SET);
909 pdb_set_fullname(sampass, fullname, PDB_SET);
910
911 if (homedir) {
912 fstrcpy( tmpstring, homedir );
913 if (expand_explicit) {
914 standard_sub_basic( username, tmpstring,
915 sizeof(tmpstring) );
916 }
917 pdb_set_homedir(sampass, tmpstring, PDB_SET);
918 }
919 else {
920 pdb_set_homedir(sampass,
921 talloc_sub_basic(sampass, username, lp_logon_home()),
922 PDB_DEFAULT);
923 }
924
925 if (dir_drive)
926 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
927 else
928 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
929
930 if (logon_script) {
931 fstrcpy( tmpstring, logon_script );
932 if (expand_explicit) {
933 standard_sub_basic( username, tmpstring,
934 sizeof(tmpstring) );
935 }
936 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
937 }
938 else {
939 pdb_set_logon_script(sampass,
940 talloc_sub_basic(sampass, username, lp_logon_script()),
941 PDB_DEFAULT);
942 }
943
944 if (profile_path) {
945 fstrcpy( tmpstring, profile_path );
946 if (expand_explicit) {
947 standard_sub_basic( username, tmpstring,
948 sizeof(tmpstring) );
949 }
950 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
951 }
952 else {
953 pdb_set_profile_path(sampass,
954 talloc_sub_basic(sampass, username, lp_logon_path()),
955 PDB_DEFAULT);
956 }
957
958 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
959 pdb_set_workstations(sampass, workstations, PDB_SET);
960 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
961
962 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
963 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
964 ret = False;
965 goto done;
966 }
967 }
968
969 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
970 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
971 ret = False;
972 goto done;
973 }
974 }
975
976 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
977 if (pwHistLen) {
978 uint8 *pw_hist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
979 if (!pw_hist) {
980 ret = False;
981 goto done;
982 }
983 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
984 if (nt_pw_hist_ptr && nt_pw_hist_len) {
985 int i;
986 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
987 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
988 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
989 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
990 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
991 PW_HISTORY_ENTRY_LEN);
992 }
993 }
994 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
995 SAFE_FREE(pw_hist);
996 ret = False;
997 goto done;
998 }
999 SAFE_FREE(pw_hist);
1000 } else {
1001 pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1002 }
1003
1004 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1005 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1006 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1007 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1008 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1009 /* Change from V2 is the uint32 acct_ctrl */
1010 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1011 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1012 pdb_set_hours(sampass, hours, PDB_SET);
1013
1014 done:
1015
1016 SAFE_FREE(username);
1017 SAFE_FREE(domain);
1018 SAFE_FREE(nt_username);
1019 SAFE_FREE(fullname);
1020 SAFE_FREE(homedir);
1021 SAFE_FREE(dir_drive);
1022 SAFE_FREE(logon_script);
1023 SAFE_FREE(profile_path);
1024 SAFE_FREE(acct_desc);
1025 SAFE_FREE(workstations);
1026 SAFE_FREE(munged_dial);
1027 SAFE_FREE(unknown_str);
1028 SAFE_FREE(lm_pw_ptr);
1029 SAFE_FREE(nt_pw_ptr);
1030 SAFE_FREE(nt_pw_hist_ptr);
1031 SAFE_FREE(hours);
1032
1033 return ret;
1034 }
1035
1036 /*********************************************************************
1037 *********************************************************************/
1038
1039 uint32 init_buffer_from_sam_v3 (uint8 **buf, struct samu *sampass, BOOL size_only)
1040 {
1041 size_t len, buflen;
1042
1043 /* times are stored as 32bit integer
1044 take care on system with 64bit wide time_t
1045 --SSS */
1046 uint32 logon_time,
1047 logoff_time,
1048 kickoff_time,
1049 bad_password_time,
1050 pass_last_set_time,
1051 pass_can_change_time,
1052 pass_must_change_time;
1053
1054 uint32 user_rid, group_rid;
1055
1056 const char *username;
1057 const char *domain;
1058 const char *nt_username;
1059 const char *dir_drive;
1060 const char *unknown_str;
1061 const char *munged_dial;
1062 const char *fullname;
1063 const char *homedir;
1064 const char *logon_script;
1065 const char *profile_path;
1066 const char *acct_desc;
1067 const char *workstations;
1068 uint32 username_len, domain_len, nt_username_len,
1069 dir_drive_len, unknown_str_len, munged_dial_len,
1070 fullname_len, homedir_len, logon_script_len,
1071 profile_path_len, acct_desc_len, workstations_len;
1072
1073 const uint8 *lm_pw;
1074 const uint8 *nt_pw;
1075 const uint8 *nt_pw_hist;
1076 uint32 lm_pw_len = 16;
1077 uint32 nt_pw_len = 16;
1078 uint32 nt_pw_hist_len;
1079 uint32 pwHistLen = 0;
1080
1081 /* do we have a valid struct samu pointer? */
1082 if (sampass == NULL) {
1083 DEBUG(0, ("init_buffer_from_sam: struct samu is NULL!\n"));
1084 return -1;
1085 }
1086
1087 *buf = NULL;
1088 buflen = 0;
1089
1090 logon_time = (uint32)pdb_get_logon_time(sampass);
1091 logoff_time = (uint32)pdb_get_logoff_time(sampass);
1092 kickoff_time = (uint32)pdb_get_kickoff_time(sampass);
1093 bad_password_time = (uint32)pdb_get_bad_password_time(sampass);
1094 pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass);
1095 pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass);
1096 pass_last_set_time = (uint32)pdb_get_pass_last_set_time(sampass);
1097
1098 user_rid = pdb_get_user_rid(sampass);
1099 group_rid = pdb_get_group_rid(sampass);
1100
1101 username = pdb_get_username(sampass);
1102 if (username) {
1103 username_len = strlen(username) +1;
1104 } else {
1105 username_len = 0;
1106 }
1107
1108 domain = pdb_get_domain(sampass);
1109 if (domain) {
1110 domain_len = strlen(domain) +1;
1111 } else {
1112 domain_len = 0;
1113 }
1114
1115 nt_username = pdb_get_nt_username(sampass);
1116 if (nt_username) {
1117 nt_username_len = strlen(nt_username) +1;
1118 } else {
1119 nt_username_len = 0;
1120 }
1121
1122 fullname = pdb_get_fullname(sampass);
1123 if (fullname) {
1124 fullname_len = strlen(fullname) +1;
1125 } else {
1126 fullname_len = 0;
1127 }
1128
1129 /*
1130 * Only updates fields which have been set (not defaults from smb.conf)
1131 */
1132
1133 if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1134 dir_drive = pdb_get_dir_drive(sampass);
1135 } else {
1136 dir_drive = NULL;
1137 }
1138 if (dir_drive) {
1139 dir_drive_len = strlen(dir_drive) +1;
1140 } else {
1141 dir_drive_len = 0;
1142 }
1143
1144 if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1145 homedir = pdb_get_homedir(sampass);
1146 } else {
1147 homedir = NULL;
1148 }
1149 if (homedir) {
1150 homedir_len = strlen(homedir) +1;
1151 } else {
1152 homedir_len = 0;
1153 }
1154
1155 if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1156 logon_script = pdb_get_logon_script(sampass);
1157 } else {
1158 logon_script = NULL;
1159 }
1160 if (logon_script) {
1161 logon_script_len = strlen(logon_script) +1;
1162 } else {
1163 logon_script_len = 0;
1164 }
1165
1166 if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1167 profile_path = pdb_get_profile_path(sampass);
1168 } else {
1169 profile_path = NULL;
1170 }
1171 if (profile_path) {
1172 profile_path_len = strlen(profile_path) +1;
1173 } else {
1174 profile_path_len = 0;
1175 }
1176
1177 lm_pw = pdb_get_lanman_passwd(sampass);
1178 if (!lm_pw) {
1179 lm_pw_len = 0;
1180 }
1181
1182 nt_pw = pdb_get_nt_passwd(sampass);
1183 if (!nt_pw) {
1184 nt_pw_len = 0;
1185 }
1186
1187 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1188 nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
1189 if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1190 nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1191 } else {
1192 nt_pw_hist_len = 0;
1193 }
1194
1195 acct_desc = pdb_get_acct_desc(sampass);
1196 if (acct_desc) {
1197 acct_desc_len = strlen(acct_desc) +1;
1198 } else {
1199 acct_desc_len = 0;
1200 }
1201
1202 workstations = pdb_get_workstations(sampass);
1203 if (workstations) {
1204 workstations_len = strlen(workstations) +1;
1205 } else {
1206 workstations_len = 0;
1207 }
1208
1209 unknown_str = NULL;
1210 unknown_str_len = 0;
1211
1212 munged_dial = pdb_get_munged_dial(sampass);
1213 if (munged_dial) {
1214 munged_dial_len = strlen(munged_dial) +1;
1215 } else {
1216 munged_dial_len = 0;
1217 }
1218
1219 /* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1220
1221 /* one time to get the size needed */
1222 len = tdb_pack(NULL, 0, TDB_FORMAT_STRING_V3,
1223 logon_time, /* d */
1224 logoff_time, /* d */
1225 kickoff_time, /* d */
1226 bad_password_time, /* d */
1227 pass_last_set_time, /* d */
1228 pass_can_change_time, /* d */
1229 pass_must_change_time, /* d */
1230 username_len, username, /* B */
1231 domain_len, domain, /* B */
1232 nt_username_len, nt_username, /* B */
1233 fullname_len, fullname, /* B */
1234 homedir_len, homedir, /* B */
1235 dir_drive_len, dir_drive, /* B */
1236 logon_script_len, logon_script, /* B */
1237 profile_path_len, profile_path, /* B */
1238 acct_desc_len, acct_desc, /* B */
1239 workstations_len, workstations, /* B */
1240 unknown_str_len, unknown_str, /* B */
1241 munged_dial_len, munged_dial, /* B */
1242 user_rid, /* d */
1243 group_rid, /* d */
1244 lm_pw_len, lm_pw, /* B */
1245 nt_pw_len, nt_pw, /* B */
1246 nt_pw_hist_len, nt_pw_hist, /* B */
1247 pdb_get_acct_ctrl(sampass), /* d */
1248 pdb_get_logon_divs(sampass), /* w */
1249 pdb_get_hours_len(sampass), /* d */
1250 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1251 pdb_get_bad_password_count(sampass), /* w */
1252 pdb_get_logon_count(sampass), /* w */
1253 pdb_get_unknown_6(sampass)); /* d */
1254
1255 if (size_only) {
1256 return buflen;
1257 }
1258
1259 /* malloc the space needed */
1260 if ( (*buf=(uint8*)SMB_MALLOC(len)) == NULL) {
1261 DEBUG(0,("init_buffer_from_sam_v3: Unable to malloc() memory for buffer!\n"));
1262 return (-1);
1263 }
1264
1265 /* now for the real call to tdb_pack() */
1266 buflen = tdb_pack((char *)*buf, len, TDB_FORMAT_STRING_V3,
1267 logon_time, /* d */
1268 logoff_time, /* d */
1269 kickoff_time, /* d */
1270 bad_password_time, /* d */
1271 pass_last_set_time, /* d */
1272 pass_can_change_time, /* d */
1273 pass_must_change_time, /* d */
1274 username_len, username, /* B */
1275 domain_len, domain, /* B */
1276 nt_username_len, nt_username, /* B */
1277 fullname_len, fullname, /* B */
1278 homedir_len, homedir, /* B */
1279 dir_drive_len, dir_drive, /* B */
1280 logon_script_len, logon_script, /* B */
1281 profile_path_len, profile_path, /* B */
1282 acct_desc_len, acct_desc, /* B */
1283 workstations_len, workstations, /* B */
1284 unknown_str_len, unknown_str, /* B */
1285 munged_dial_len, munged_dial, /* B */
1286 user_rid, /* d */
1287 group_rid, /* d */
1288 lm_pw_len, lm_pw, /* B */
1289 nt_pw_len, nt_pw, /* B */
1290 nt_pw_hist_len, nt_pw_hist, /* B */
1291 pdb_get_acct_ctrl(sampass), /* d */
1292 pdb_get_logon_divs(sampass), /* w */
1293 pdb_get_hours_len(sampass), /* d */
1294 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1295 pdb_get_bad_password_count(sampass), /* w */
1296 pdb_get_logon_count(sampass), /* w */
1297 pdb_get_unknown_6(sampass)); /* d */
1298
1299 /* check to make sure we got it correct */
1300 if (buflen != len) {
1301 DEBUG(0, ("init_buffer_from_sam_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
1302 (unsigned long)buflen, (unsigned long)len));
1303 /* error */
1304 SAFE_FREE (*buf);
1305 return (-1);
1306 }
1307
1308 return (buflen);
1309 }
1310
1311
1312 /*********************************************************************
1313 *********************************************************************/
1314
1315 BOOL pdb_copy_sam_account(struct samu *dst, struct samu *src )
1316 {
1317 BOOL result;
1318 uint8 *buf;
1319 int len;
1320
1321 if ( !dst )
1322 return False;
1323
1324 len = init_buffer_from_sam_v3(&buf, src, False);
1325
1326 if (len == -1)
1327 return False;
1328
1329 result = init_sam_from_buffer_v3( dst, buf, len );
1330 dst->methods = src->methods;
1331
1332 if ( src->unix_pw )
1333 dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
1334
1335 free(buf);
1336
1337 return result;
1338 }
1339
1340 /*********************************************************************
1341 Update the bad password count checking the AP_RESET_COUNT_TIME
1342 *********************************************************************/
1343
1344 BOOL pdb_update_bad_password_count(struct samu *sampass, BOOL *updated)
1345 {
1346 time_t LastBadPassword;
1347 uint16 BadPasswordCount;
1348 uint32 resettime;
1349
1350 if (!sampass) return False;
1351
1352 BadPasswordCount = pdb_get_bad_password_count(sampass);
1353 if (!BadPasswordCount) {
1354 DEBUG(9, ("No bad password attempts.\n"));
1355 return True;
1356 }
1357
1358 if (!pdb_get_account_policy(AP_RESET_COUNT_TIME, &resettime)) {
1359 DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
1360 return False;
1361 }
1362
1363 /* First, check if there is a reset time to compare */
1364 if ((resettime == (uint32) -1) || (resettime == 0)) {
1365 DEBUG(9, ("No reset time, can't reset bad pw count\n"));
1366 return True;
1367 }
1368
1369 LastBadPassword = pdb_get_bad_password_time(sampass);
1370 DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
1371 (uint32) LastBadPassword, resettime, (uint32)time(NULL)));
1372 if (time(NULL) > (LastBadPassword + (time_t)resettime*60)){
1373 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
1374 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
1375 if (updated) {
1376 *updated = True;
1377 }
1378 }
1379
1380 return True;
1381 }
1382
1383 /*********************************************************************
1384 Update the ACB_AUTOLOCK flag checking the AP_LOCK_ACCOUNT_DURATION
1385 *********************************************************************/
1386
1387 BOOL pdb_update_autolock_flag(struct samu *sampass, BOOL *updated)
1388 {
1389 uint32 duration;
1390 time_t LastBadPassword;
1391
1392 if (!sampass) return False;
1393
1394 if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
1395 DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
1396 pdb_get_username(sampass)));
1397 return True;
1398 }
1399
1400 if (!pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &duration)) {
1401 DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
1402 return False;
1403 }
1404
1405 /* First, check if there is a duration to compare */
1406 if ((duration == (uint32) -1) || (duration == 0)) {
1407 DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
1408 return True;
1409 }
1410
1411 LastBadPassword = pdb_get_bad_password_time(sampass);
1412 DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
1413 pdb_get_username(sampass), (uint32)LastBadPassword, duration*60, (uint32)time(NULL)));
1414
1415 if (LastBadPassword == (time_t)0) {
1416 DEBUG(1,("pdb_update_autolock_flag: Account %s administratively locked out with no \
1417 bad password time. Leaving locked out.\n",
1418 pdb_get_username(sampass) ));
1419 return True;
1420 }
1421
1422 if ((time(NULL) > (LastBadPassword + (time_t) duration * 60))) {
1423 pdb_set_acct_ctrl(sampass,
1424 pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
1425 PDB_CHANGED);
1426 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
1427 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
1428 if (updated) {
1429 *updated = True;
1430 }
1431 }
1432
1433 return True;
1434 }
1435
1436 /*********************************************************************
1437 Increment the bad_password_count
1438 *********************************************************************/
1439
1440 BOOL pdb_increment_bad_password_count(struct samu *sampass)
1441 {
1442 uint32 account_policy_lockout;
1443 BOOL autolock_updated = False, badpw_updated = False;
1444 BOOL ret;
1445
1446 if (!sampass)
1447 return False;
1448
1449 /* Retrieve the account lockout policy */
1450 become_root();
1451 ret = pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
1452 unbecome_root();
1453 if ( !ret ) {
1454 DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
1455 return False;
1456 }
1457
1458 /* If there is no policy, we don't need to continue checking */
1459 if (!account_policy_lockout) {
1460 DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
1461 return True;
1462 }
1463
1464 /* Check if the autolock needs to be cleared */
1465 if (!pdb_update_autolock_flag(sampass, &autolock_updated))
1466 return False;
1467
1468 /* Check if the badpw count needs to be reset */
1469 if (!pdb_update_bad_password_count(sampass, &badpw_updated))
1470 return False;
1471
1472 /*
1473 Ok, now we can assume that any resetting that needs to be
1474 done has been done, and just get on with incrementing
1475 and autolocking if necessary
1476 */
1477
1478 pdb_set_bad_password_count(sampass,
1479 pdb_get_bad_password_count(sampass)+1,
1480 PDB_CHANGED);
1481 pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
1482
1483
1484 if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
1485 return True;
1486
1487 if (!pdb_set_acct_ctrl(sampass,
1488 pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
1489 PDB_CHANGED)) {
1490 DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
1491 return False;
1492 }
1493
1494 return True;
1495 }