summaryrefslogtreecommitdiff
path: root/source3/libnet/libnet_samsync_passdb.c
blob: 95e8448828b15a37b3d3c5bdc78679df1e344932 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
/*
   Unix SMB/CIFS implementation.
   dump the remote SAM using rpc samsync operations

   Copyright (C) Andrew Tridgell 2002
   Copyright (C) Tim Potter 2001,2002
   Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2005
   Modified by Volker Lendecke 2002
   Copyright (C) Jeremy Allison 2005.
   Copyright (C) Guenther Deschner 2008.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "libnet/libnet.h"

/* Convert a struct samu_DELTA to a struct samu. */
#define STRING_CHANGED (old_string && !new_string) ||\
		    (!old_string && new_string) ||\
		(old_string && new_string && (strcmp(old_string, new_string) != 0))

#define STRING_CHANGED_NC(s1,s2) ((s1) && !(s2)) ||\
		    (!(s1) && (s2)) ||\
		((s1) && (s2) && (strcmp((s1), (s2)) != 0))

/****************************************************************
****************************************************************/

static NTSTATUS sam_account_from_delta(struct samu *account,
				       struct netr_DELTA_USER *r)
{
	const char *old_string, *new_string;
	time_t unix_time, stored_time;
	uchar zero_buf[16];

	memset(zero_buf, '\0', sizeof(zero_buf));

	/* Username, fullname, home dir, dir drive, logon script, acct
	   desc, workstations, profile. */

	if (r->account_name.string) {
		old_string = pdb_get_nt_username(account);
		new_string = r->account_name.string;

		if (STRING_CHANGED) {
			pdb_set_nt_username(account, new_string, PDB_CHANGED);
		}

		/* Unix username is the same - for sanity */
		old_string = pdb_get_username( account );
		if (STRING_CHANGED) {
			pdb_set_username(account, new_string, PDB_CHANGED);
		}
	}

	if (r->full_name.string) {
		old_string = pdb_get_fullname(account);
		new_string = r->full_name.string;

		if (STRING_CHANGED)
			pdb_set_fullname(account, new_string, PDB_CHANGED);
	}

	if (r->home_directory.string) {
		old_string = pdb_get_homedir(account);
		new_string = r->home_directory.string;

		if (STRING_CHANGED)
			pdb_set_homedir(account, new_string, PDB_CHANGED);
	}

	if (r->home_drive.string) {
		old_string = pdb_get_dir_drive(account);
		new_string = r->home_drive.string;

		if (STRING_CHANGED)
			pdb_set_dir_drive(account, new_string, PDB_CHANGED);
	}

	if (r->logon_script.string) {
		old_string = pdb_get_logon_script(account);
		new_string = r->logon_script.string;

		if (STRING_CHANGED)
			pdb_set_logon_script(account, new_string, PDB_CHANGED);
	}

	if (r->description.string) {
		old_string = pdb_get_acct_desc(account);
		new_string = r->description.string;

		if (STRING_CHANGED)
			pdb_set_acct_desc(account, new_string, PDB_CHANGED);
	}

	if (r->workstations.string) {
		old_string = pdb_get_workstations(account);
		new_string = r->workstations.string;

		if (STRING_CHANGED)
			pdb_set_workstations(account, new_string, PDB_CHANGED);
	}

	if (r->profile_path.string) {
		old_string = pdb_get_profile_path(account);
		new_string = r->profile_path.string;

		if (STRING_CHANGED)
			pdb_set_profile_path(account, new_string, PDB_CHANGED);
	}

	if (r->parameters.array) {
		DATA_BLOB mung;
		char *newstr;
		old_string = pdb_get_munged_dial(account);
		mung.length = r->parameters.length * 2;
		mung.data = (uint8_t *) r->parameters.array;
		newstr = (mung.length == 0) ? NULL :
			base64_encode_data_blob(talloc_tos(), mung);

		if (STRING_CHANGED_NC(old_string, newstr))
			pdb_set_munged_dial(account, newstr, PDB_CHANGED);
		TALLOC_FREE(newstr);
	}

	/* User and group sid */
	if (pdb_get_user_rid(account) != r->rid)
		pdb_set_user_sid_from_rid(account, r->rid, PDB_CHANGED);
	if (pdb_get_group_rid(account) != r->primary_gid)
		pdb_set_group_sid_from_rid(account, r->primary_gid, PDB_CHANGED);

	/* Logon and password information */
	if (!nt_time_is_zero(&r->last_logon)) {
		unix_time = nt_time_to_unix(r->last_logon);
		stored_time = pdb_get_logon_time(account);
		if (stored_time != unix_time)
			pdb_set_logon_time(account, unix_time, PDB_CHANGED);
	}

	if (!nt_time_is_zero(&r->last_logoff)) {
		unix_time = nt_time_to_unix(r->last_logoff);
		stored_time = pdb_get_logoff_time(account);
		if (stored_time != unix_time)
			pdb_set_logoff_time(account, unix_time,PDB_CHANGED);
	}

	/* Logon Divs */
	if (pdb_get_logon_divs(account) != r->logon_hours.units_per_week)
		pdb_set_logon_divs(account, r->logon_hours.units_per_week, PDB_CHANGED);

#if 0
	/* no idea what to do with this one - gd */
	/* Max Logon Hours */
	if (delta->unknown1 != pdb_get_unknown_6(account)) {
		pdb_set_unknown_6(account, delta->unknown1, PDB_CHANGED);
	}
#endif
	/* Logon Hours Len */
	if (r->logon_hours.units_per_week/8 != pdb_get_hours_len(account)) {
		pdb_set_hours_len(account, r->logon_hours.units_per_week/8, PDB_CHANGED);
	}

	/* Logon Hours */
	if (r->logon_hours.bits) {
		char oldstr[44], newstr[44];
		pdb_sethexhours(oldstr, pdb_get_hours(account));
		pdb_sethexhours(newstr, r->logon_hours.bits);
		if (!strequal(oldstr, newstr))
			pdb_set_hours(account, r->logon_hours.bits, PDB_CHANGED);
	}

	if (pdb_get_bad_password_count(account) != r->bad_password_count)
		pdb_set_bad_password_count(account, r->bad_password_count, PDB_CHANGED);

	if (pdb_get_logon_count(account) != r->logon_count)
		pdb_set_logon_count(account, r->logon_count, PDB_CHANGED);

	if (!nt_time_is_zero(&r->last_password_change)) {
		unix_time = nt_time_to_unix(r->last_password_change);
		stored_time = pdb_get_pass_last_set_time(account);
		if (stored_time != unix_time)
			pdb_set_pass_last_set_time(account, unix_time, PDB_CHANGED);
	} else {
		/* no last set time, make it now */
		pdb_set_pass_last_set_time(account, time(NULL), PDB_CHANGED);
	}

	if (!nt_time_is_zero(&r->acct_expiry)) {
		unix_time = nt_time_to_unix(r->acct_expiry);
		stored_time = pdb_get_kickoff_time(account);
		if (stored_time != unix_time)
			pdb_set_kickoff_time(account, unix_time, PDB_CHANGED);
	}

	/* Decode hashes from password hash
	   Note that win2000 may send us all zeros for the hashes if it doesn't
	   think this channel is secure enough - don't set the passwords at all
	   in that case
	*/
	if (memcmp(r->lmpassword.hash, zero_buf, 16) != 0) {
		pdb_set_lanman_passwd(account, r->lmpassword.hash, PDB_CHANGED);
	}

	if (memcmp(r->ntpassword.hash, zero_buf, 16) != 0) {
		pdb_set_nt_passwd(account, r->ntpassword.hash, PDB_CHANGED);
	}

	/* TODO: account expiry time */

	pdb_set_acct_ctrl(account, r->acct_flags, PDB_CHANGED);

	pdb_set_domain(account, lp_workgroup(), PDB_CHANGED);

	return NT_STATUS_OK;
}

/****************************************************************
****************************************************************/

static NTSTATUS fetch_account_info(TALLOC_CTX *mem_ctx,
				   uint32_t rid,
				   struct netr_DELTA_USER *r)
{

	NTSTATUS nt_ret = NT_STATUS_UNSUCCESSFUL;
	fstring account;
	struct samu *sam_account=NULL;
	GROUP_MAP map;
	struct group *grp;
	DOM_SID user_sid;
	DOM_SID group_sid;
	struct passwd *passwd = NULL;
	fstring sid_string;

	fstrcpy(account, r->account_name.string);
	d_printf("Creating account: %s\n", account);

	if ( !(sam_account = samu_new(mem_ctx)) ) {
		return NT_STATUS_NO_MEMORY;
	}

	nt_ret = smb_create_user(sam_account, r->acct_flags, account, &passwd);
	if (!NT_STATUS_IS_OK(nt_ret)) {
		d_fprintf(stderr, "Could not create posix account info for '%s'\n",
			account);
		goto done;
	}

	sid_copy(&user_sid, get_global_sam_sid());
	sid_append_rid(&user_sid, r->rid);

	DEBUG(3, ("Attempting to find SID %s for user %s in the passdb\n",
		  sid_to_fstring(sid_string, &user_sid), account));
	if (!pdb_getsampwsid(sam_account, &user_sid)) {
		sam_account_from_delta(sam_account, r);
		DEBUG(3, ("Attempting to add user SID %s for user %s in the passdb\n",
			  sid_to_fstring(sid_string, &user_sid),
			  pdb_get_username(sam_account)));
		if (!NT_STATUS_IS_OK(pdb_add_sam_account(sam_account))) {
			DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
				  account));
			return NT_STATUS_ACCESS_DENIED;
		}
	} else {
		sam_account_from_delta(sam_account, r);
		DEBUG(3, ("Attempting to update user SID %s for user %s in the passdb\n",
			  sid_to_fstring(sid_string, &user_sid),
			  pdb_get_username(sam_account)));
		if (!NT_STATUS_IS_OK(pdb_update_sam_account(sam_account))) {
			DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
				  account));
			TALLOC_FREE(sam_account);
			return NT_STATUS_ACCESS_DENIED;
		}
	}

	if (pdb_get_group_sid(sam_account) == NULL) {
		return NT_STATUS_UNSUCCESSFUL;
	}

	group_sid = *pdb_get_group_sid(sam_account);

	if (!pdb_getgrsid(&map, group_sid)) {
		DEBUG(0, ("Primary group of %s has no mapping!\n",
			  pdb_get_username(sam_account)));
	} else {
		if (map.gid != passwd->pw_gid) {
			if (!(grp = getgrgid(map.gid))) {
				DEBUG(0, ("Could not find unix group %lu for user %s (group SID=%s)\n",
					  (unsigned long)map.gid, pdb_get_username(sam_account), sid_string_tos(&group_sid)));
			} else {
				smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
			}
		}
	}

	if ( !passwd ) {
		DEBUG(1, ("No unix user for this account (%s), cannot adjust mappings\n",
			pdb_get_username(sam_account)));
	}

 done:
	TALLOC_FREE(sam_account);
	return nt_ret;
}

/****************************************************************
****************************************************************/

static NTSTATUS fetch_group_info(TALLOC_CTX *mem_ctx,
				 uint32_t rid,
				 struct netr_DELTA_GROUP *r)
{
	fstring name;
	fstring comment;
	struct group *grp = NULL;
	DOM_SID group_sid;
	fstring sid_string;
	GROUP_MAP map;
	bool insert = true;

	fstrcpy(name, r->group_name.string);
	fstrcpy(comment, r->description.string);

	/* add the group to the mapping table */
	sid_copy(&group_sid, get_global_sam_sid());
	sid_append_rid(&group_sid, rid);
	sid_to_fstring(sid_string, &group_sid);

	if (pdb_getgrsid(&map, group_sid)) {
		if ( map.gid != -1 )
			grp = getgrgid(map.gid);
		insert = false;
	}

	if (grp == NULL) {
		gid_t gid;

		/* No group found from mapping, find it from its name. */
		if ((grp = getgrnam(name)) == NULL) {

			/* No appropriate group found, create one */

			d_printf("Creating unix group: '%s'\n", name);

			if (smb_create_group(name, &gid) != 0)
				return NT_STATUS_ACCESS_DENIED;

			if ((grp = getgrnam(name)) == NULL)
				return NT_STATUS_ACCESS_DENIED;
		}
	}

	map.gid = grp->gr_gid;
	map.sid = group_sid;
	map.sid_name_use = SID_NAME_DOM_GRP;
	fstrcpy(map.nt_name, name);
	if (r->description.string) {
		fstrcpy(map.comment, comment);
	} else {
		fstrcpy(map.comment, "");
	}

	if (insert)
		pdb_add_group_mapping_entry(&map);
	else
		pdb_update_group_mapping_entry(&map);

	return NT_STATUS_OK;
}

/****************************************************************
****************************************************************/

static NTSTATUS fetch_group_mem_info(TALLOC_CTX *mem_ctx,
				     uint32_t rid,
				     struct netr_DELTA_GROUP_MEMBER *r)
{
	int i;
	char **nt_members = NULL;
	char **unix_members;
	DOM_SID group_sid;
	GROUP_MAP map;
	struct group *grp;

	if (r->num_rids == 0) {
		return NT_STATUS_OK;
	}

	sid_copy(&group_sid, get_global_sam_sid());
	sid_append_rid(&group_sid, rid);

	if (!get_domain_group_from_sid(group_sid, &map)) {
		DEBUG(0, ("Could not find global group %d\n", rid));
		return NT_STATUS_NO_SUCH_GROUP;
	}

	if (!(grp = getgrgid(map.gid))) {
		DEBUG(0, ("Could not find unix group %lu\n", (unsigned long)map.gid));
		return NT_STATUS_NO_SUCH_GROUP;
	}

	d_printf("Group members of %s: ", grp->gr_name);

	if (r->num_rids) {
		if ((nt_members = TALLOC_ZERO_ARRAY(mem_ctx, char *, r->num_rids)) == NULL) {
			DEBUG(0, ("talloc failed\n"));
			return NT_STATUS_NO_MEMORY;
		}
	} else {
		nt_members = NULL;
	}

	for (i=0; i < r->num_rids; i++) {
		struct samu *member = NULL;
		DOM_SID member_sid;

		if ( !(member = samu_new(mem_ctx)) ) {
			return NT_STATUS_NO_MEMORY;
		}

		sid_copy(&member_sid, get_global_sam_sid());
		sid_append_rid(&member_sid, r->rids[i]);

		if (!pdb_getsampwsid(member, &member_sid)) {
			DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
				  r->rids[i], sid_string_tos(&member_sid), grp->gr_name));
			TALLOC_FREE(member);
			continue;
		}

		if (pdb_get_group_rid(member) == rid) {
			d_printf("%s(primary),", pdb_get_username(member));
			TALLOC_FREE(member);
			continue;
		}

		d_printf("%s,", pdb_get_username(member));
		nt_members[i] = talloc_strdup(mem_ctx, pdb_get_username(member));
		TALLOC_FREE(member);
	}

	d_printf("\n");

	unix_members = grp->gr_mem;

	while (*unix_members) {
		bool is_nt_member = false;
		for (i=0; i < r->num_rids; i++) {
			if (nt_members[i] == NULL) {
				/* This was a primary group */
				continue;
			}

			if (strcmp(*unix_members, nt_members[i]) == 0) {
				is_nt_member = true;
				break;
			}
		}
		if (!is_nt_member) {
			/* We look at a unix group member that is not
			   an nt group member. So, remove it. NT is
			   boss here. */
			smb_delete_user_group(grp->gr_name, *unix_members);
		}
		unix_members += 1;
	}

	for (i=0; i < r->num_rids; i++) {
		bool is_unix_member = false;

		if (nt_members[i] == NULL) {
			/* This was the primary group */
			continue;
		}

		unix_members = grp->gr_mem;

		while (*unix_members) {
			if (strcmp(*unix_members, nt_members[i]) == 0) {
				is_unix_member = true;
				break;
			}
			unix_members += 1;
		}

		if (!is_unix_member) {
			/* We look at a nt group member that is not a
                           unix group member currently. So, add the nt
                           group member. */
			smb_add_user_group(grp->gr_name, nt_members[i]);
		}
	}

	return NT_STATUS_OK;
}

/****************************************************************
****************************************************************/

static NTSTATUS fetch_alias_info(TALLOC_CTX *mem_ctx,
				 uint32_t rid,
				 struct netr_DELTA_ALIAS *r,
				 const DOM_SID *dom_sid)
{
	fstring name;
	fstring comment;
	struct group *grp = NULL;
	DOM_SID alias_sid;
	fstring sid_string;
	GROUP_MAP map;
	bool insert = true;

	fstrcpy(name, r->alias_name.string);
	fstrcpy(comment, r->description.string);

	/* Find out whether the group is already mapped */
	sid_copy(&alias_sid, dom_sid);
	sid_append_rid(&alias_sid, rid);
	sid_to_fstring(sid_string, &alias_sid);

	if (pdb_getgrsid(&map, alias_sid)) {
		grp = getgrgid(map.gid);
		insert = false;
	}

	if (grp == NULL) {
		gid_t gid;

		/* No group found from mapping, find it from its name. */
		if ((grp = getgrnam(name)) == NULL) {
			/* No appropriate group found, create one */
			d_printf("Creating unix group: '%s'\n", name);
			if (smb_create_group(name, &gid) != 0)
				return NT_STATUS_ACCESS_DENIED;
			if ((grp = getgrgid(gid)) == NULL)
				return NT_STATUS_ACCESS_DENIED;
		}
	}

	map.gid = grp->gr_gid;
	map.sid = alias_sid;

	if (sid_equal(dom_sid, &global_sid_Builtin))
		map.sid_name_use = SID_NAME_WKN_GRP;
	else
		map.sid_name_use = SID_NAME_ALIAS;

	fstrcpy(map.nt_name, name);
	fstrcpy(map.comment, comment);

	if (insert)
		pdb_add_group_mapping_entry(&map);
	else
		pdb_update_group_mapping_entry(&map);

	return NT_STATUS_OK;
}

/****************************************************************
****************************************************************/

static NTSTATUS fetch_alias_mem(TALLOC_CTX *mem_ctx,
				uint32_t rid,
				struct netr_DELTA_ALIAS_MEMBER *r,
				const DOM_SID *dom_sid)
{
	return NT_STATUS_OK;
}

/****************************************************************
****************************************************************/

static NTSTATUS fetch_domain_info(TALLOC_CTX *mem_ctx,
				  uint32_t rid,
				  struct netr_DELTA_DOMAIN *r)
{
	time_t u_max_age, u_min_age, u_logout;
	NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
	const char *domname;
	struct netr_AcctLockStr *lockstr = NULL;
	NTSTATUS status;

	status = pull_netr_AcctLockStr(mem_ctx, &r->account_lockout,
				       &lockstr);
	if (!NT_STATUS_IS_OK(status)) {
		d_printf("failed to pull account lockout string: %s\n",
			nt_errstr(status));
	}

	u_max_age = uint64s_nt_time_to_unix_abs((uint64 *)&r->max_password_age);
	u_min_age = uint64s_nt_time_to_unix_abs((uint64 *)&r->min_password_age);
	u_logout = uint64s_nt_time_to_unix_abs((uint64 *)&r->force_logoff_time);

	domname = r->domain_name.string;
	if (!domname) {
		return NT_STATUS_NO_MEMORY;
	}

	/* we don't handle BUILTIN account policies */
	if (!strequal(domname, get_global_sam_name())) {
		printf("skipping SAM_DOMAIN_INFO delta for '%s' (is not my domain)\n", domname);
		return NT_STATUS_OK;
	}


	if (!pdb_set_account_policy(AP_PASSWORD_HISTORY,
				    r->password_history_length))
		return nt_status;

	if (!pdb_set_account_policy(AP_MIN_PASSWORD_LEN,
				    r->min_password_length))
		return nt_status;

	if (!pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (uint32)u_max_age))
		return nt_status;

	if (!pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (uint32)u_min_age))
		return nt_status;

	if (!pdb_set_account_policy(AP_TIME_TO_LOGOUT, (uint32)u_logout))
		return nt_status;

	if (lockstr) {
		time_t u_lockoutreset, u_lockouttime;

		u_lockoutreset = uint64s_nt_time_to_unix_abs(&lockstr->reset_count);
		u_lockouttime = uint64s_nt_time_to_unix_abs((uint64_t *)&lockstr->lockout_duration);

		if (!pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT,
					    lockstr->bad_attempt_lockout))
			return nt_status;

		if (!pdb_set_account_policy(AP_RESET_COUNT_TIME, (uint32_t)u_lockoutreset/60))
			return nt_status;

		if (u_lockouttime != -1)
			u_lockouttime /= 60;

		if (!pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (uint32_t)u_lockouttime))
			return nt_status;
	}

	if (!pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
				    r->logon_to_chgpass))
		return nt_status;

	return NT_STATUS_OK;
}

/****************************************************************
****************************************************************/

static NTSTATUS fetch_sam_entry(TALLOC_CTX *mem_ctx,
				enum netr_SamDatabaseID database_id,
				struct netr_DELTA_ENUM *r,
				struct samsync_context *ctx)
{
	NTSTATUS status = NT_STATUS_NOT_IMPLEMENTED;

	switch (r->delta_type) {
	case NETR_DELTA_USER:
		status = fetch_account_info(mem_ctx,
					    r->delta_id_union.rid,
					    r->delta_union.user);
		break;
	case NETR_DELTA_GROUP:
		status = fetch_group_info(mem_ctx,
					  r->delta_id_union.rid,
					  r->delta_union.group);
		break;
	case NETR_DELTA_GROUP_MEMBER:
		status = fetch_group_mem_info(mem_ctx,
					      r->delta_id_union.rid,
					      r->delta_union.group_member);
		break;
	case NETR_DELTA_ALIAS:
		status = fetch_alias_info(mem_ctx,
					  r->delta_id_union.rid,
					  r->delta_union.alias,
					  ctx->domain_sid);
		break;
	case NETR_DELTA_ALIAS_MEMBER:
		status = fetch_alias_mem(mem_ctx,
					 r->delta_id_union.rid,
					 r->delta_union.alias_member,
					 ctx->domain_sid);
		break;
	case NETR_DELTA_DOMAIN:
		status = fetch_domain_info(mem_ctx,
					   r->delta_id_union.rid,
					   r->delta_union.domain);
		break;
	/* The following types are recognised but not handled */
	case NETR_DELTA_RENAME_GROUP:
		d_printf("NETR_DELTA_RENAME_GROUP not handled\n");
		break;
	case NETR_DELTA_RENAME_USER:
		d_printf("NETR_DELTA_RENAME_USER not handled\n");
		break;
	case NETR_DELTA_RENAME_ALIAS:
		d_printf("NETR_DELTA_RENAME_ALIAS not handled\n");
		break;
	case NETR_DELTA_POLICY:
		d_printf("NETR_DELTA_POLICY not handled\n");
		break;
	case NETR_DELTA_TRUSTED_DOMAIN:
		d_printf("NETR_DELTA_TRUSTED_DOMAIN not handled\n");
		break;
	case NETR_DELTA_ACCOUNT:
		d_printf("NETR_DELTA_ACCOUNT not handled\n");
		break;
	case NETR_DELTA_SECRET:
		d_printf("NETR_DELTA_SECRET not handled\n");
		break;
	case NETR_DELTA_DELETE_GROUP:
		d_printf("NETR_DELTA_DELETE_GROUP not handled\n");
		break;
	case NETR_DELTA_DELETE_USER:
		d_printf("NETR_DELTA_DELETE_USER not handled\n");
		break;
	case NETR_DELTA_MODIFY_COUNT:
		d_printf("NETR_DELTA_MODIFY_COUNT not handled\n");
		break;
	case NETR_DELTA_DELETE_ALIAS:
		d_printf("NETR_DELTA_DELETE_ALIAS not handled\n");
		break;
	case NETR_DELTA_DELETE_TRUST:
		d_printf("NETR_DELTA_DELETE_TRUST not handled\n");
		break;
	case NETR_DELTA_DELETE_ACCOUNT:
		d_printf("NETR_DELTA_DELETE_ACCOUNT not handled\n");
		break;
	case NETR_DELTA_DELETE_SECRET:
		d_printf("NETR_DELTA_DELETE_SECRET not handled\n");
		break;
	case NETR_DELTA_DELETE_GROUP2:
		d_printf("NETR_DELTA_DELETE_GROUP2 not handled\n");
		break;
	case NETR_DELTA_DELETE_USER2:
		d_printf("NETR_DELTA_DELETE_USER2 not handled\n");
		break;
	default:
		d_printf("Unknown delta record type %d\n", r->delta_type);
		status = NT_STATUS_INVALID_PARAMETER;
		break;
	}

	return status;
}

/****************************************************************
****************************************************************/

static NTSTATUS fetch_sam_entries(TALLOC_CTX *mem_ctx,
				  enum netr_SamDatabaseID database_id,
				  struct netr_DELTA_ENUM_ARRAY *r,
				  uint64_t *sequence_num,
				  struct samsync_context *ctx)
{
	int i;

	for (i = 0; i < r->num_deltas; i++) {
		fetch_sam_entry(mem_ctx, database_id, &r->delta_enum[i], ctx);
	}

	return NT_STATUS_OK;
}

/****************************************************************
****************************************************************/

const struct samsync_ops libnet_samsync_passdb_ops = {
	.process_objects	= fetch_sam_entries,
};