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source: vendor/3.6.23/source3/libnet/libnet_dssync.c

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Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago
Samba Server: update vendor to 3.6.0
File size: 19.9 KB

Line
1	/*
2	Unix SMB/CIFS implementation.
3
4	Copyright (C) Stefan (metze) Metzmacher 2005
5	Copyright (C) Guenther Deschner 2008
6	Copyright (C) Michael Adam 2008
7
8	This program is free software; you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by
10	the Free Software Foundation; either version 3 of the License, or
11	(at your option) any later version.
12
13	This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.
17
18	You should have received a copy of the GNU General Public License
19	along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*/
21
22
23	#include "includes.h"
24	#include "libnet/libnet_dssync.h"
25	#include "rpc_client/cli_pipe.h"
26	#include "../libcli/drsuapi/drsuapi.h"
27	#include "../librpc/gen_ndr/ndr_drsuapi_c.h"
28
29	/****************************************************************
30	****************************************************************/
31
32	static int libnet_dssync_free_context(struct dssync_context *ctx)
33	{
34	WERROR result;
35	struct dcerpc_binding_handle *b;
36
37	if (!ctx) {
38	return 0;
39	}
40
41	if (is_valid_policy_hnd(&ctx->bind_handle) && ctx->cli) {
42	b = ctx->cli->binding_handle;
43	dcerpc_drsuapi_DsUnbind(b, ctx, &ctx->bind_handle, &result);
44	}
45
46	return 0;
47	}
48
49	/****************************************************************
50	****************************************************************/
51
52	NTSTATUS libnet_dssync_init_context(TALLOC_CTX *mem_ctx,
53	struct dssync_context **ctx_p)
54	{
55	struct dssync_context *ctx;
56
57	ctx = TALLOC_ZERO_P(mem_ctx, struct dssync_context);
58	NT_STATUS_HAVE_NO_MEMORY(ctx);
59
60	talloc_set_destructor(ctx, libnet_dssync_free_context);
61	ctx->clean_old_entries = false;
62
63	*ctx_p = ctx;
64
65	return NT_STATUS_OK;
66	}
67
68	/****************************************************************
69	****************************************************************/
70
71	static void parse_obj_identifier(struct drsuapi_DsReplicaObjectIdentifier *id,
72	uint32_t *rid)
73	{
74	if (!id \|\| !rid) {
75	return;
76	}
77
78	*rid = 0;
79
80	if (id->sid.num_auths > 0) {
81	*rid = id->sid.sub_auths[id->sid.num_auths - 1];
82	}
83	}
84
85	/****************************************************************
86	****************************************************************/
87
88	static void libnet_dssync_decrypt_attributes(TALLOC_CTX *mem_ctx,
89	DATA_BLOB *session_key,
90	struct drsuapi_DsReplicaObjectListItemEx *cur)
91	{
92	for (; cur; cur = cur->next_object) {
93
94	uint32_t i;
95	uint32_t rid = 0;
96
97	parse_obj_identifier(cur->object.identifier, &rid);
98
99	for (i=0; i < cur->object.attribute_ctr.num_attributes; i++) {
100
101	struct drsuapi_DsReplicaAttribute *attr;
102
103	attr = &cur->object.attribute_ctr.attributes[i];
104
105	if (attr->value_ctr.num_values < 1) {
106	continue;
107	}
108
109	if (!attr->value_ctr.values[0].blob) {
110	continue;
111	}
112
113	drsuapi_decrypt_attribute(mem_ctx,
114	session_key,
115	rid,
116	attr);
117	}
118	}
119	}
120	/****************************************************************
121	****************************************************************/
122
123	static NTSTATUS libnet_dssync_bind(TALLOC_CTX *mem_ctx,
124	struct dssync_context *ctx)
125	{
126	NTSTATUS status;
127	WERROR werr;
128
129	struct GUID bind_guid;
130	struct drsuapi_DsBindInfoCtr bind_info;
131	struct drsuapi_DsBindInfo28 info28;
132	struct dcerpc_binding_handle *b = ctx->cli->binding_handle;
133
134	ZERO_STRUCT(info28);
135
136	GUID_from_string(DRSUAPI_DS_BIND_GUID, &bind_guid);
137
138	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_BASE;
139	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
140	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
141	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
142	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
143	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
144	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
145	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
146	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
147	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
148	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
149	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
150	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
151	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
152	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
153	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
154	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
155	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
156	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
157	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
158	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
159	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
160	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
161	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
162	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
163	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
164	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
165	info28.supported_extensions \|= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
166	info28.site_guid = GUID_zero();
167	info28.pid = 508;
168	info28.repl_epoch = 0;
169
170	bind_info.length = 28;
171	bind_info.info.info28 = info28;
172
173	status = dcerpc_drsuapi_DsBind(b, mem_ctx,
174	&bind_guid,
175	&bind_info,
176	&ctx->bind_handle,
177	&werr);
178
179	if (!NT_STATUS_IS_OK(status)) {
180	return status;
181	}
182
183	if (!W_ERROR_IS_OK(werr)) {
184	return werror_to_ntstatus(werr);
185	}
186
187	ZERO_STRUCT(ctx->remote_info28);
188	switch (bind_info.length) {
189	case 24: {
190	struct drsuapi_DsBindInfo24 *info24;
191	info24 = &bind_info.info.info24;
192	ctx->remote_info28.site_guid = info24->site_guid;
193	ctx->remote_info28.supported_extensions = info24->supported_extensions;
194	ctx->remote_info28.pid = info24->pid;
195	ctx->remote_info28.repl_epoch = 0;
196	break;
197	}
198	case 28:
199	ctx->remote_info28 = bind_info.info.info28;
200	break;
201	case 48: {
202	struct drsuapi_DsBindInfo48 *info48;
203	info48 = &bind_info.info.info48;
204	ctx->remote_info28.site_guid = info48->site_guid;
205	ctx->remote_info28.supported_extensions = info48->supported_extensions;
206	ctx->remote_info28.pid = info48->pid;
207	ctx->remote_info28.repl_epoch = info48->repl_epoch;
208	break;
209	}
210	default:
211	DEBUG(1, ("Warning: invalid info length in bind info: %d\n",
212	bind_info.length));
213	break;
214	}
215
216	return status;
217	}
218
219	/****************************************************************
220	****************************************************************/
221
222	static NTSTATUS libnet_dssync_lookup_nc(TALLOC_CTX *mem_ctx,
223	struct dssync_context *ctx)
224	{
225	NTSTATUS status;
226	WERROR werr;
227	uint32_t level = 1;
228	union drsuapi_DsNameRequest req;
229	uint32_t level_out;
230	struct drsuapi_DsNameString names[1];
231	union drsuapi_DsNameCtr ctr;
232	struct dcerpc_binding_handle *b = ctx->cli->binding_handle;
233
234	names[0].str = talloc_asprintf(mem_ctx, "%s\\", ctx->domain_name);
235	NT_STATUS_HAVE_NO_MEMORY(names[0].str);
236
237	req.req1.codepage = 1252; /* german */
238	req.req1.language = 0x00000407; /* german */
239	req.req1.count = 1;
240	req.req1.names = names;
241	req.req1.format_flags = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
242	req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_UNKNOWN;
243	req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
244
245	status = dcerpc_drsuapi_DsCrackNames(b, mem_ctx,
246	&ctx->bind_handle,
247	level,
248	&req,
249	&level_out,
250	&ctr,
251	&werr);
252	if (!NT_STATUS_IS_OK(status)) {
253	ctx->error_message = talloc_asprintf(ctx,
254	"Failed to lookup DN for domain name: %s",
255	get_friendly_nt_error_msg(status));
256	return status;
257	}
258
259	if (!W_ERROR_IS_OK(werr)) {
260	ctx->error_message = talloc_asprintf(ctx,
261	"Failed to lookup DN for domain name: %s",
262	get_friendly_werror_msg(werr));
263	return werror_to_ntstatus(werr);
264	}
265
266	if (ctr.ctr1->count != 1) {
267	return NT_STATUS_UNSUCCESSFUL;
268	}
269
270	if (ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
271	return NT_STATUS_UNSUCCESSFUL;
272	}
273
274	ctx->nc_dn = talloc_strdup(mem_ctx, ctr.ctr1->array[0].result_name);
275	NT_STATUS_HAVE_NO_MEMORY(ctx->nc_dn);
276
277	if (!ctx->dns_domain_name) {
278	ctx->dns_domain_name = talloc_strdup_upper(mem_ctx,
279	ctr.ctr1->array[0].dns_domain_name);
280	NT_STATUS_HAVE_NO_MEMORY(ctx->dns_domain_name);
281	}
282
283	return NT_STATUS_OK;
284	}
285
286	/****************************************************************
287	****************************************************************/
288
289	static NTSTATUS libnet_dssync_init(TALLOC_CTX *mem_ctx,
290	struct dssync_context *ctx)
291	{
292	NTSTATUS status;
293
294	status = libnet_dssync_bind(mem_ctx, ctx);
295	if (!NT_STATUS_IS_OK(status)) {
296	return status;
297	}
298
299	if (!ctx->nc_dn) {
300	status = libnet_dssync_lookup_nc(mem_ctx, ctx);
301	}
302
303	return status;
304	}
305
306	/****************************************************************
307	****************************************************************/
308
309	static NTSTATUS libnet_dssync_build_request(TALLOC_CTX *mem_ctx,
310	struct dssync_context *ctx,
311	const char *dn,
312	struct replUpToDateVectorBlob *utdv,
313	uint32_t *plevel,
314	union drsuapi_DsGetNCChangesRequest *preq)
315	{
316	NTSTATUS status;
317	uint32_t count;
318	uint32_t level;
319	union drsuapi_DsGetNCChangesRequest req;
320	struct dom_sid null_sid;
321	enum drsuapi_DsExtendedOperation extended_op;
322	struct drsuapi_DsReplicaObjectIdentifier *nc = NULL;
323	struct drsuapi_DsReplicaCursorCtrEx *cursors = NULL;
324
325	uint32_t replica_flags = DRSUAPI_DRS_WRIT_REP \|
326	DRSUAPI_DRS_INIT_SYNC \|
327	DRSUAPI_DRS_PER_SYNC \|
328	DRSUAPI_DRS_GET_ANC \|
329	DRSUAPI_DRS_NEVER_SYNCED;
330
331	ZERO_STRUCT(null_sid);
332	ZERO_STRUCT(req);
333
334	if (ctx->remote_info28.supported_extensions
335	& DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8)
336	{
337	level = 8;
338	} else {
339	level = 5;
340	}
341
342	nc = TALLOC_ZERO_P(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
343	if (!nc) {
344	status = NT_STATUS_NO_MEMORY;
345	goto fail;
346	}
347	nc->dn = dn;
348	nc->guid = GUID_zero();
349	nc->sid = null_sid;
350
351	if (!ctx->single_object_replication &&
352	!ctx->force_full_replication && utdv)
353	{
354	cursors = TALLOC_ZERO_P(mem_ctx,
355	struct drsuapi_DsReplicaCursorCtrEx);
356	if (!cursors) {
357	status = NT_STATUS_NO_MEMORY;
358	goto fail;
359	}
360
361	switch (utdv->version) {
362	case 1:
363	cursors->count = utdv->ctr.ctr1.count;
364	cursors->cursors = utdv->ctr.ctr1.cursors;
365	break;
366	case 2:
367	cursors->count = utdv->ctr.ctr2.count;
368	cursors->cursors = talloc_array(cursors,
369	struct drsuapi_DsReplicaCursor,
370	cursors->count);
371	if (!cursors->cursors) {
372	status = NT_STATUS_NO_MEMORY;
373	goto fail;
374	}
375	for (count = 0; count < cursors->count; count++) {
376	cursors->cursors[count].source_dsa_invocation_id =
377	utdv->ctr.ctr2.cursors[count].source_dsa_invocation_id;
378	cursors->cursors[count].highest_usn =
379	utdv->ctr.ctr2.cursors[count].highest_usn;
380	}
381	break;
382	}
383	}
384
385	if (ctx->single_object_replication) {
386	extended_op = DRSUAPI_EXOP_REPL_OBJ;
387	} else {
388	extended_op = DRSUAPI_EXOP_NONE;
389	}
390
391	if (level == 8) {
392	req.req8.naming_context = nc;
393	req.req8.replica_flags = replica_flags;
394	req.req8.max_object_count = 402;
395	req.req8.max_ndr_size = 402116;
396	req.req8.uptodateness_vector = cursors;
397	req.req8.extended_op = extended_op;
398	} else if (level == 5) {
399	req.req5.naming_context = nc;
400	req.req5.replica_flags = replica_flags;
401	req.req5.max_object_count = 402;
402	req.req5.max_ndr_size = 402116;
403	req.req5.uptodateness_vector = cursors;
404	req.req5.extended_op = extended_op;
405	} else {
406	status = NT_STATUS_INVALID_PARAMETER;
407	goto fail;
408	}
409
410	if (plevel) {
411	*plevel = level;
412	}
413
414	if (preq) {
415	*preq = req;
416	}
417
418	return NT_STATUS_OK;
419
420	fail:
421	TALLOC_FREE(nc);
422	TALLOC_FREE(cursors);
423	return status;
424	}
425
426	static NTSTATUS libnet_dssync_getncchanges(TALLOC_CTX *mem_ctx,
427	struct dssync_context *ctx,
428	uint32_t level,
429	union drsuapi_DsGetNCChangesRequest *req,
430	struct replUpToDateVectorBlob **pnew_utdv)
431	{
432	NTSTATUS status;
433	WERROR werr;
434	union drsuapi_DsGetNCChangesCtr ctr;
435	struct drsuapi_DsGetNCChangesCtr1 *ctr1 = NULL;
436	struct drsuapi_DsGetNCChangesCtr6 *ctr6 = NULL;
437	struct replUpToDateVectorBlob *new_utdv = NULL;
438	uint32_t level_out = 0;
439	uint32_t out_level = 0;
440	int y;
441	bool last_query;
442	struct dcerpc_binding_handle *b = ctx->cli->binding_handle;
443
444	if (!ctx->single_object_replication) {
445	new_utdv = TALLOC_ZERO_P(mem_ctx, struct replUpToDateVectorBlob);
446	if (!new_utdv) {
447	status = NT_STATUS_NO_MEMORY;
448	goto out;
449	}
450	}
451
452	for (y=0, last_query = false; !last_query; y++) {
453	struct drsuapi_DsReplicaObjectListItemEx *first_object = NULL;
454	struct drsuapi_DsReplicaOIDMapping_Ctr *mapping_ctr = NULL;
455	uint32_t linked_attributes_count = 0;
456	struct drsuapi_DsReplicaLinkedAttribute *linked_attributes = NULL;
457
458	if (level == 8) {
459	DEBUG(1,("start[%d] tmp_higest_usn: %llu , highest_usn: %llu\n",y,
460	(long long)req->req8.highwatermark.tmp_highest_usn,
461	(long long)req->req8.highwatermark.highest_usn));
462	} else if (level == 5) {
463	DEBUG(1,("start[%d] tmp_higest_usn: %llu , highest_usn: %llu\n",y,
464	(long long)req->req5.highwatermark.tmp_highest_usn,
465	(long long)req->req5.highwatermark.highest_usn));
466	}
467
468	status = dcerpc_drsuapi_DsGetNCChanges(b, mem_ctx,
469	&ctx->bind_handle,
470	level,
471	req,
472	&level_out,
473	&ctr,
474	&werr);
475	if (!NT_STATUS_IS_OK(status)) {
476	ctx->error_message = talloc_asprintf(ctx,
477	"Failed to get NC Changes: %s",
478	get_friendly_nt_error_msg(status));
479	goto out;
480	}
481
482	if (!W_ERROR_IS_OK(werr)) {
483	status = werror_to_ntstatus(werr);
484	ctx->error_message = talloc_asprintf(ctx,
485	"Failed to get NC Changes: %s",
486	get_friendly_werror_msg(werr));
487	goto out;
488	}
489
490	if (level_out == 1) {
491	out_level = 1;
492	ctr1 = &ctr.ctr1;
493	} else if (level_out == 2 && ctr.ctr2.mszip1.ts) {
494	out_level = 1;
495	ctr1 = &ctr.ctr2.mszip1.ts->ctr1;
496	} else if (level_out == 6) {
497	out_level = 6;
498	ctr6 = &ctr.ctr6;
499	} else if (level_out == 7
500	&& ctr.ctr7.level == 6
501	&& ctr.ctr7.type == DRSUAPI_COMPRESSION_TYPE_MSZIP
502	&& ctr.ctr7.ctr.mszip6.ts) {
503	out_level = 6;
504	ctr6 = &ctr.ctr7.ctr.mszip6.ts->ctr6;
505	} else if (level_out == 7
506	&& ctr.ctr7.level == 6
507	&& ctr.ctr7.type == DRSUAPI_COMPRESSION_TYPE_XPRESS
508	&& ctr.ctr7.ctr.xpress6.ts) {
509	out_level = 6;
510	ctr6 = &ctr.ctr7.ctr.xpress6.ts->ctr6;
511	}
512
513	if (out_level == 1) {
514	DEBUG(1,("end[%d] tmp_highest_usn: %llu , highest_usn: %llu\n",y,
515	(long long)ctr1->new_highwatermark.tmp_highest_usn,
516	(long long)ctr1->new_highwatermark.highest_usn));
517
518	first_object = ctr1->first_object;
519	mapping_ctr = &ctr1->mapping_ctr;
520
521	if (ctr1->more_data) {
522	req->req5.highwatermark = ctr1->new_highwatermark;
523	} else {
524	last_query = true;
525	if (ctr1->uptodateness_vector &&
526	!ctx->single_object_replication)
527	{
528	new_utdv->version = 1;
529	new_utdv->ctr.ctr1.count =
530	ctr1->uptodateness_vector->count;
531	new_utdv->ctr.ctr1.cursors =
532	ctr1->uptodateness_vector->cursors;
533	}
534	}
535	} else if (out_level == 6) {
536	DEBUG(1,("end[%d] tmp_highest_usn: %llu , highest_usn: %llu\n",y,
537	(long long)ctr6->new_highwatermark.tmp_highest_usn,
538	(long long)ctr6->new_highwatermark.highest_usn));
539
540	first_object = ctr6->first_object;
541	mapping_ctr = &ctr6->mapping_ctr;
542
543	linked_attributes = ctr6->linked_attributes;
544	linked_attributes_count = ctr6->linked_attributes_count;
545
546	if (ctr6->more_data) {
547	req->req8.highwatermark = ctr6->new_highwatermark;
548	} else {
549	last_query = true;
550	if (ctr6->uptodateness_vector &&
551	!ctx->single_object_replication)
552	{
553	new_utdv->version = 2;
554	new_utdv->ctr.ctr2.count =
555	ctr6->uptodateness_vector->count;
556	new_utdv->ctr.ctr2.cursors =
557	ctr6->uptodateness_vector->cursors;
558	}
559	}
560	}
561
562	status = cli_get_session_key(mem_ctx, ctx->cli, &ctx->session_key);
563	if (!NT_STATUS_IS_OK(status)) {
564	ctx->error_message = talloc_asprintf(ctx,
565	"Failed to get Session Key: %s",
566	nt_errstr(status));
567	goto out;
568	}
569
570	libnet_dssync_decrypt_attributes(mem_ctx,
571	&ctx->session_key,
572	first_object);
573
574	if (ctx->ops->process_objects) {
575	status = ctx->ops->process_objects(ctx, mem_ctx,
576	first_object,
577	mapping_ctr);
578	if (!NT_STATUS_IS_OK(status)) {
579	ctx->error_message = talloc_asprintf(ctx,
580	"Failed to call processing function: %s",
581	nt_errstr(status));
582	goto out;
583	}
584	}
585
586	if (linked_attributes_count == 0) {
587	continue;
588	}
589
590	if (ctx->ops->process_links) {
591	status = ctx->ops->process_links(ctx, mem_ctx,
592	linked_attributes_count,
593	linked_attributes,
594	mapping_ctr);
595	if (!NT_STATUS_IS_OK(status)) {
596	ctx->error_message = talloc_asprintf(ctx,
597	"Failed to call processing function: %s",
598	nt_errstr(status));
599	goto out;
600	}
601	}
602	}
603
604	*pnew_utdv = new_utdv;
605
606	out:
607	return status;
608	}
609
610	static NTSTATUS libnet_dssync_process(TALLOC_CTX *mem_ctx,
611	struct dssync_context *ctx)
612	{
613	NTSTATUS status;
614
615	uint32_t level = 0;
616	union drsuapi_DsGetNCChangesRequest req;
617	struct replUpToDateVectorBlob *old_utdv = NULL;
618	struct replUpToDateVectorBlob *pnew_utdv = NULL;
619	const char **dns;
620	uint32_t dn_count;
621	uint32_t count;
622
623	if (ctx->ops->startup) {
624	status = ctx->ops->startup(ctx, mem_ctx, &old_utdv);
625	if (!NT_STATUS_IS_OK(status)) {
626	ctx->error_message = talloc_asprintf(ctx,
627	"Failed to call startup operation: %s",
628	nt_errstr(status));
629	goto out;
630	}
631	}
632
633	if (ctx->single_object_replication && ctx->object_dns) {
634	dns = ctx->object_dns;
635	dn_count = ctx->object_count;
636	} else {
637	dns = &ctx->nc_dn;
638	dn_count = 1;
639	}
640
641	status = NT_STATUS_OK;
642
643	for (count=0; count < dn_count; count++) {
644	status = libnet_dssync_build_request(mem_ctx, ctx,
645	dns[count],
646	old_utdv, &level,
647	&req);
648	if (!NT_STATUS_IS_OK(status)) {
649	goto out;
650	}
651
652	status = libnet_dssync_getncchanges(mem_ctx, ctx, level, &req,
653	&pnew_utdv);
654	if (!NT_STATUS_IS_OK(status)) {
655	ctx->error_message = talloc_asprintf(ctx,
656	"Failed to call DsGetNCCHanges: %s",
657	nt_errstr(status));
658	goto out;
659	}
660	}
661
662	if (ctx->ops->finish) {
663	status = ctx->ops->finish(ctx, mem_ctx, pnew_utdv);
664	if (!NT_STATUS_IS_OK(status)) {
665	ctx->error_message = talloc_asprintf(ctx,
666	"Failed to call finishing operation: %s",
667	nt_errstr(status));
668	goto out;
669	}
670	}
671
672	out:
673	return status;
674	}
675
676	/****************************************************************
677	****************************************************************/
678
679	NTSTATUS libnet_dssync(TALLOC_CTX *mem_ctx,
680	struct dssync_context *ctx)
681	{
682	NTSTATUS status;
683	TALLOC_CTX *tmp_ctx;
684
685	tmp_ctx = talloc_new(mem_ctx);
686	if (!tmp_ctx) {
687	return NT_STATUS_NO_MEMORY;
688	}
689
690	status = libnet_dssync_init(tmp_ctx, ctx);
691	if (!NT_STATUS_IS_OK(status)) {
692	goto out;
693	}
694
695	status = libnet_dssync_process(tmp_ctx, ctx);
696	if (!NT_STATUS_IS_OK(status)) {
697	goto out;
698	}
699
700	out:
701	TALLOC_FREE(tmp_ctx);
702	return status;
703	}
704

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