libnet dssync: simplify logic of libnet_dssync_process() main loop.
[samba.git] / source3 / libnet / libnet_dssync.c
1 /*
2    Unix SMB/CIFS implementation.
3
4    Copyright (C) Stefan (metze) Metzmacher 2005
5    Copyright (C) Guenther Deschner 2008
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 3 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    You should have received a copy of the GNU General Public License
18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
19 */
20
21
22 #include "includes.h"
23 #include "libnet/libnet.h"
24
25 /****************************************************************
26 ****************************************************************/
27
28 static int libnet_dssync_free_context(struct dssync_context *ctx)
29 {
30         if (!ctx) {
31                 return 0;
32         }
33
34         if (is_valid_policy_hnd(&ctx->bind_handle) && ctx->cli) {
35                 rpccli_drsuapi_DsUnbind(ctx->cli, ctx, &ctx->bind_handle, NULL);
36         }
37
38         return 0;
39 }
40
41 /****************************************************************
42 ****************************************************************/
43
44 NTSTATUS libnet_dssync_init_context(TALLOC_CTX *mem_ctx,
45                                     struct dssync_context **ctx_p)
46 {
47         struct dssync_context *ctx;
48
49         ctx = TALLOC_ZERO_P(mem_ctx, struct dssync_context);
50         NT_STATUS_HAVE_NO_MEMORY(ctx);
51
52         talloc_set_destructor(ctx, libnet_dssync_free_context);
53
54         *ctx_p = ctx;
55
56         return NT_STATUS_OK;
57 }
58
59 /****************************************************************
60 ****************************************************************/
61
62 static DATA_BLOB *decrypt_attr_val(TALLOC_CTX *mem_ctx,
63                                    DATA_BLOB *session_key,
64                                    uint32_t rid,
65                                    enum drsuapi_DsAttributeId id,
66                                    DATA_BLOB *raw_data)
67 {
68         bool rcrypt = false;
69         DATA_BLOB out_data;
70
71         ZERO_STRUCT(out_data);
72
73         switch (id) {
74                 case DRSUAPI_ATTRIBUTE_dBCSPwd:
75                 case DRSUAPI_ATTRIBUTE_unicodePwd:
76                 case DRSUAPI_ATTRIBUTE_ntPwdHistory:
77                 case DRSUAPI_ATTRIBUTE_lmPwdHistory:
78                         rcrypt  = true;
79                         break;
80                 case DRSUAPI_ATTRIBUTE_supplementalCredentials:
81                 case DRSUAPI_ATTRIBUTE_priorValue:
82                 case DRSUAPI_ATTRIBUTE_currentValue:
83                 case DRSUAPI_ATTRIBUTE_trustAuthOutgoing:
84                 case DRSUAPI_ATTRIBUTE_trustAuthIncoming:
85                 case DRSUAPI_ATTRIBUTE_initialAuthOutgoing:
86                 case DRSUAPI_ATTRIBUTE_initialAuthIncoming:
87                         break;
88                 default:
89                         return raw_data;
90         }
91
92         out_data = decrypt_drsuapi_blob(mem_ctx, session_key, rcrypt,
93                                           rid, raw_data);
94
95         if (out_data.length) {
96                 return (DATA_BLOB *)talloc_memdup(mem_ctx, &out_data, sizeof(DATA_BLOB));
97         }
98
99         return raw_data;
100 }
101
102 /****************************************************************
103 ****************************************************************/
104
105 static void parse_obj_identifier(struct drsuapi_DsReplicaObjectIdentifier *id,
106                                  uint32_t *rid)
107 {
108         if (!id || !rid) {
109                 return;
110         }
111
112         *rid = 0;
113
114         if (id->sid.num_auths > 0) {
115                 *rid = id->sid.sub_auths[id->sid.num_auths - 1];
116         }
117 }
118
119 /****************************************************************
120 ****************************************************************/
121
122 static void parse_obj_attribute(TALLOC_CTX *mem_ctx,
123                                 DATA_BLOB *session_key,
124                                 uint32_t rid,
125                                 struct drsuapi_DsReplicaAttribute *attr)
126 {
127         int i = 0;
128
129         for (i=0; i<attr->value_ctr.num_values; i++) {
130
131                 DATA_BLOB *plain_data = NULL;
132
133                 plain_data = decrypt_attr_val(mem_ctx,
134                                               session_key,
135                                               rid,
136                                               attr->attid,
137                                               attr->value_ctr.values[i].blob);
138
139                 attr->value_ctr.values[i].blob = plain_data;
140         }
141 }
142
143 /****************************************************************
144 ****************************************************************/
145
146 static void libnet_dssync_decrypt_attributes(TALLOC_CTX *mem_ctx,
147                                              DATA_BLOB *session_key,
148                                              struct drsuapi_DsReplicaObjectListItemEx *cur)
149 {
150         for (; cur; cur = cur->next_object) {
151
152                 uint32_t i;
153                 uint32_t rid = 0;
154
155                 parse_obj_identifier(cur->object.identifier, &rid);
156
157                 for (i=0; i < cur->object.attribute_ctr.num_attributes; i++) {
158
159                         struct drsuapi_DsReplicaAttribute *attr;
160
161                         attr = &cur->object.attribute_ctr.attributes[i];
162
163                         if (attr->value_ctr.num_values < 1) {
164                                 continue;
165                         }
166
167                         if (!attr->value_ctr.values[0].blob) {
168                                 continue;
169                         }
170
171                         parse_obj_attribute(mem_ctx,
172                                             session_key,
173                                             rid,
174                                             attr);
175                 }
176         }
177 }
178 /****************************************************************
179 ****************************************************************/
180
181 static NTSTATUS libnet_dssync_bind(TALLOC_CTX *mem_ctx,
182                                    struct dssync_context *ctx)
183 {
184         NTSTATUS status;
185         WERROR werr;
186
187         struct GUID bind_guid;
188         struct drsuapi_DsBindInfoCtr bind_info;
189         struct drsuapi_DsBindInfo28 info28;
190
191         ZERO_STRUCT(info28);
192
193         GUID_from_string(DRSUAPI_DS_BIND_GUID, &bind_guid);
194
195         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_BASE;
196         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
197         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
198         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
199         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
200         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
201         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
202         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
203         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
204         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
205         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
206         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
207         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
208         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
209         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
210         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
211         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
212         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
213         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
214         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
215         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
216         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
217         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
218         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
219         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
220         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
221         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
222         info28.supported_extensions     |= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
223         info28.site_guid                = GUID_zero();
224         info28.pid                      = 508;
225         info28.repl_epoch               = 0;
226
227         bind_info.length = 28;
228         bind_info.info.info28 = info28;
229
230         status = rpccli_drsuapi_DsBind(ctx->cli, mem_ctx,
231                                        &bind_guid,
232                                        &bind_info,
233                                        &ctx->bind_handle,
234                                        &werr);
235
236         if (!NT_STATUS_IS_OK(status)) {
237                 return status;
238         }
239
240         if (!W_ERROR_IS_OK(werr)) {
241                 return werror_to_ntstatus(werr);
242         }
243
244         ZERO_STRUCT(ctx->remote_info28);
245         switch (bind_info.length) {
246         case 24: {
247                 struct drsuapi_DsBindInfo24 *info24;
248                 info24 = &bind_info.info.info24;
249                 ctx->remote_info28.site_guid            = info24->site_guid;
250                 ctx->remote_info28.supported_extensions = info24->supported_extensions;
251                 ctx->remote_info28.pid                  = info24->pid;
252                 ctx->remote_info28.repl_epoch           = 0;
253                 break;
254         }
255         case 28:
256                 ctx->remote_info28 = bind_info.info.info28;
257                 break;
258         case 48: {
259                 struct drsuapi_DsBindInfo48 *info48;
260                 info48 = &bind_info.info.info48;
261                 ctx->remote_info28.site_guid            = info48->site_guid;
262                 ctx->remote_info28.supported_extensions = info48->supported_extensions;
263                 ctx->remote_info28.pid                  = info48->pid;
264                 ctx->remote_info28.repl_epoch           = info48->repl_epoch;
265                 break;
266         }
267         default:
268                 DEBUG(1, ("Warning: invalid info length in bind info: %d\n",
269                           bind_info.length));
270                 break;
271         }
272
273         return status;
274 }
275
276 /****************************************************************
277 ****************************************************************/
278
279 static NTSTATUS libnet_dssync_lookup_nc(TALLOC_CTX *mem_ctx,
280                                         struct dssync_context *ctx)
281 {
282         NTSTATUS status;
283         WERROR werr;
284         int32_t level = 1;
285         union drsuapi_DsNameRequest req;
286         int32_t level_out;
287         struct drsuapi_DsNameString names[1];
288         union drsuapi_DsNameCtr ctr;
289
290         names[0].str = talloc_asprintf(mem_ctx, "%s\\", ctx->domain_name);
291         NT_STATUS_HAVE_NO_MEMORY(names[0].str);
292
293         req.req1.codepage       = 1252; /* german */
294         req.req1.language       = 0x00000407; /* german */
295         req.req1.count          = 1;
296         req.req1.names          = names;
297         req.req1.format_flags   = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
298         req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_UKNOWN;
299         req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
300
301         status = rpccli_drsuapi_DsCrackNames(ctx->cli, mem_ctx,
302                                              &ctx->bind_handle,
303                                              level,
304                                              &req,
305                                              &level_out,
306                                              &ctr,
307                                              &werr);
308         if (!NT_STATUS_IS_OK(status)) {
309                 ctx->error_message = talloc_asprintf(mem_ctx,
310                         "Failed to lookup DN for domain name: %s",
311                         get_friendly_werror_msg(werr));
312                 return status;
313         }
314
315         if (!W_ERROR_IS_OK(werr)) {
316                 return werror_to_ntstatus(werr);
317         }
318
319         if (ctr.ctr1->count != 1) {
320                 return NT_STATUS_UNSUCCESSFUL;
321         }
322
323         if (ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
324                 return NT_STATUS_UNSUCCESSFUL;
325         }
326
327         ctx->nc_dn = talloc_strdup(mem_ctx, ctr.ctr1->array[0].result_name);
328         NT_STATUS_HAVE_NO_MEMORY(ctx->nc_dn);
329
330         if (!ctx->dns_domain_name) {
331                 ctx->dns_domain_name = talloc_strdup_upper(mem_ctx,
332                         ctr.ctr1->array[0].dns_domain_name);
333                 NT_STATUS_HAVE_NO_MEMORY(ctx->dns_domain_name);
334         }
335
336         return NT_STATUS_OK;
337 }
338
339 /****************************************************************
340 ****************************************************************/
341
342 static NTSTATUS libnet_dssync_init(TALLOC_CTX *mem_ctx,
343                                    struct dssync_context *ctx)
344 {
345         NTSTATUS status;
346
347         status = libnet_dssync_bind(mem_ctx, ctx);
348         if (!NT_STATUS_IS_OK(status)) {
349                 return status;
350         }
351
352         if (!ctx->nc_dn) {
353                 status = libnet_dssync_lookup_nc(mem_ctx, ctx);
354         }
355
356         return status;
357 }
358
359 /****************************************************************
360 ****************************************************************/
361
362 static NTSTATUS libnet_dssync_build_request(TALLOC_CTX *mem_ctx,
363                                             struct dssync_context *ctx,
364                                             const char *dn,
365                                             struct replUpToDateVectorBlob *utdv,
366                                             int32_t level,
367                                             union drsuapi_DsGetNCChangesRequest *preq)
368 {
369         NTSTATUS status;
370         uint32_t count;
371         union drsuapi_DsGetNCChangesRequest req;
372         struct dom_sid null_sid;
373         enum drsuapi_DsExtendedOperation extended_op;
374         struct drsuapi_DsReplicaObjectIdentifier *nc = NULL;
375         struct drsuapi_DsReplicaCursorCtrEx *cursors = NULL;
376
377         uint32_t replica_flags  = DRSUAPI_DS_REPLICA_NEIGHBOUR_WRITEABLE |
378                                   DRSUAPI_DS_REPLICA_NEIGHBOUR_SYNC_ON_STARTUP |
379                                   DRSUAPI_DS_REPLICA_NEIGHBOUR_DO_SCHEDULED_SYNCS |
380                                   DRSUAPI_DS_REPLICA_NEIGHBOUR_RETURN_OBJECT_PARENTS |
381                                   DRSUAPI_DS_REPLICA_NEIGHBOUR_NEVER_SYNCED;
382
383         ZERO_STRUCT(null_sid);
384         ZERO_STRUCT(req);
385
386         nc = TALLOC_ZERO_P(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
387         if (!nc) {
388                 status = NT_STATUS_NO_MEMORY;
389                 goto fail;
390         }
391         nc->dn = dn;
392         nc->guid = GUID_zero();
393         nc->sid = null_sid;
394
395         if (!ctx->repl_nodiff && utdv) {
396                 cursors = TALLOC_ZERO_P(mem_ctx,
397                                          struct drsuapi_DsReplicaCursorCtrEx);
398                 if (!cursors) {
399                         status = NT_STATUS_NO_MEMORY;
400                         goto fail;
401                 }
402
403                 switch (utdv->version) {
404                 case 1:
405                         cursors->count = utdv->ctr.ctr1.count;
406                         cursors->cursors = utdv->ctr.ctr1.cursors;
407                         break;
408                 case 2:
409                         cursors->count = utdv->ctr.ctr2.count;
410                         cursors->cursors = talloc_array(cursors,
411                                                 struct drsuapi_DsReplicaCursor,
412                                                 cursors->count);
413                         if (!cursors->cursors) {
414                                 status = NT_STATUS_NO_MEMORY;
415                                 goto fail;
416                         }
417                         for (count = 0; count < cursors->count; count++) {
418                                 cursors->cursors[count].source_dsa_invocation_id =
419                                         utdv->ctr.ctr2.cursors[count].source_dsa_invocation_id;
420                                 cursors->cursors[count].highest_usn =
421                                         utdv->ctr.ctr2.cursors[count].highest_usn;
422                         }
423                         break;
424                 }
425         }
426
427         if (ctx->single) {
428                 extended_op = DRSUAPI_EXOP_REPL_OBJ;
429         } else {
430                 extended_op = DRSUAPI_EXOP_NONE;
431         }
432
433         if (level == 8) {
434                 req.req8.naming_context         = nc;
435                 req.req8.replica_flags          = replica_flags;
436                 req.req8.max_object_count       = 402;
437                 req.req8.max_ndr_size           = 402116;
438                 req.req8.uptodateness_vector    = cursors;
439                 req.req8.extended_op            = extended_op;
440         } else if (level == 5) {
441                 req.req5.naming_context         = nc;
442                 req.req5.replica_flags          = replica_flags;
443                 req.req5.max_object_count       = 402;
444                 req.req5.max_ndr_size           = 402116;
445                 req.req5.uptodateness_vector    = cursors;
446                 req.req5.extended_op            = extended_op;
447         } else {
448                 status = NT_STATUS_INVALID_PARAMETER;
449                 goto fail;
450         }
451
452         if (preq) {
453                 *preq = req;
454         }
455
456         return NT_STATUS_OK;
457
458 fail:
459         TALLOC_FREE(nc);
460         TALLOC_FREE(cursors);
461         return status;
462 }
463
464 static NTSTATUS libnet_dssync_process(TALLOC_CTX *mem_ctx,
465                                       struct dssync_context *ctx)
466 {
467         NTSTATUS status;
468         WERROR werr;
469
470         int32_t level;
471         int32_t level_out = 0;
472         union drsuapi_DsGetNCChangesRequest req;
473         union drsuapi_DsGetNCChangesCtr ctr;
474
475         struct drsuapi_DsGetNCChangesCtr1 *ctr1 = NULL;
476         struct drsuapi_DsGetNCChangesCtr6 *ctr6 = NULL;
477         struct replUpToDateVectorBlob *old_utdv = NULL;
478         struct replUpToDateVectorBlob new_utdv;
479         struct replUpToDateVectorBlob *pnew_utdv = NULL;
480         int32_t out_level = 0;
481         int y;
482         bool last_query;
483         const char *dn;
484
485         status = ctx->ops->startup(ctx, mem_ctx, &old_utdv);
486         if (!NT_STATUS_IS_OK(status)) {
487                 ctx->error_message = talloc_asprintf(mem_ctx,
488                         "Failed to call startup operation: %s",
489                         nt_errstr(status));
490                 goto out;
491         }
492
493         if (ctx->remote_info28.supported_extensions
494             & DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8)
495         {
496                 level = 8;
497         } else {
498                 level = 5;
499         }
500
501         if (ctx->single && ctx->object_dn) {
502                 dn = ctx->object_dn;
503         } else {
504                 dn = ctx->nc_dn;
505         }
506
507         status = libnet_dssync_build_request(mem_ctx, ctx, dn, old_utdv, level,
508                                              &req);
509         if (!NT_STATUS_IS_OK(status)) {
510                 ctx->error_message = talloc_asprintf(mem_ctx,
511                         "Failed to build DsGetNCChanges request: %s",
512                         nt_errstr(status));
513                 goto out;
514         }
515
516         for (y=0, last_query = false; !last_query; y++) {
517                 struct drsuapi_DsReplicaObjectListItemEx *first_object;
518                 struct drsuapi_DsReplicaOIDMapping_Ctr *mapping_ctr;
519
520                 if (level == 8) {
521                         DEBUG(1,("start[%d] tmp_higest_usn: %llu , highest_usn: %llu\n",y,
522                                 (long long)req.req8.highwatermark.tmp_highest_usn,
523                                 (long long)req.req8.highwatermark.highest_usn));
524                 } else if (level == 5) {
525                         DEBUG(1,("start[%d] tmp_higest_usn: %llu , highest_usn: %llu\n",y,
526                                 (long long)req.req5.highwatermark.tmp_highest_usn,
527                                 (long long)req.req5.highwatermark.highest_usn));
528                 }
529
530                 status = rpccli_drsuapi_DsGetNCChanges(ctx->cli, mem_ctx,
531                                                        &ctx->bind_handle,
532                                                        level,
533                                                        &req,
534                                                        &level_out,
535                                                        &ctr,
536                                                        &werr);
537                 if (!NT_STATUS_IS_OK(status)) {
538                         ctx->error_message = talloc_asprintf(mem_ctx,
539                                 "Failed to get NC Changes: %s",
540                                 get_friendly_werror_msg(werr));
541                         goto out;
542                 }
543
544                 if (!W_ERROR_IS_OK(werr)) {
545                         status = werror_to_ntstatus(werr);
546                         goto out;
547                 }
548
549                 if (level_out == 1) {
550                         out_level = 1;
551                         ctr1 = &ctr.ctr1;
552                 } else if (level_out == 2) {
553                         out_level = 1;
554                         ctr1 = ctr.ctr2.ctr.mszip1.ctr1;
555                 } else if (level_out == 6) {
556                         out_level = 6;
557                         ctr6 = &ctr.ctr6;
558                 } else if (level_out == 7
559                            && ctr.ctr7.level == 6
560                            && ctr.ctr7.type == DRSUAPI_COMPRESSION_TYPE_MSZIP) {
561                         out_level = 6;
562                         ctr6 = ctr.ctr7.ctr.mszip6.ctr6;
563                 }
564
565                 if (out_level == 1) {
566                         DEBUG(1,("end[%d] tmp_highest_usn: %llu , highest_usn: %llu\n",y,
567                                 (long long)ctr1->new_highwatermark.tmp_highest_usn,
568                                 (long long)ctr1->new_highwatermark.highest_usn));
569
570                         first_object = ctr1->first_object;
571                         mapping_ctr = &ctr1->mapping_ctr;
572
573                         if (ctr1->more_data) {
574                                 req.req5.highwatermark = ctr1->new_highwatermark;
575                         } else {
576                                 last_query = true;
577                                 ZERO_STRUCT(new_utdv);
578                                 new_utdv.version = 1;
579                                 if (ctr1->uptodateness_vector) {
580                                         new_utdv.ctr.ctr1.count =
581                                                 ctr1->uptodateness_vector->count;
582                                         new_utdv.ctr.ctr1.cursors =
583                                                 ctr1->uptodateness_vector->cursors;
584                                 }
585                         }
586                 } else if (out_level == 6) {
587                         DEBUG(1,("end[%d] tmp_highest_usn: %llu , highest_usn: %llu\n",y,
588                                 (long long)ctr6->new_highwatermark.tmp_highest_usn,
589                                 (long long)ctr6->new_highwatermark.highest_usn));
590
591                         first_object = ctr6->first_object;
592                         mapping_ctr = &ctr6->mapping_ctr;
593
594                         if (ctr6->more_data) {
595                                 req.req8.highwatermark = ctr6->new_highwatermark;
596                         } else {
597                                 last_query = true;
598                                 ZERO_STRUCT(new_utdv);
599                                 new_utdv.version = 2;
600                                 if (ctr6->uptodateness_vector) {
601                                         new_utdv.ctr.ctr2.count =
602                                                 ctr6->uptodateness_vector->count;
603                                         new_utdv.ctr.ctr2.cursors =
604                                                 ctr6->uptodateness_vector->cursors;
605                                 }
606                         }
607                 }
608
609                 status = cli_get_session_key(mem_ctx, ctx->cli, &ctx->session_key);
610                 if (!NT_STATUS_IS_OK(status)) {
611                         ctx->error_message = talloc_asprintf(mem_ctx,
612                                 "Failed to get Session Key: %s",
613                                 nt_errstr(status));
614                         goto out;
615                 }
616
617                 libnet_dssync_decrypt_attributes(mem_ctx,
618                                                  &ctx->session_key,
619                                                  first_object);
620
621                 if (ctx->ops->process_objects) {
622                         status = ctx->ops->process_objects(ctx, mem_ctx,
623                                                            first_object,
624                                                            mapping_ctr);
625                         if (!NT_STATUS_IS_OK(status)) {
626                                 ctx->error_message = talloc_asprintf(mem_ctx,
627                                         "Failed to call processing function: %s",
628                                         nt_errstr(status));
629                                 goto out;
630                         }
631                 }
632         }
633
634         if (!ctx->single) {
635                 pnew_utdv = &new_utdv;
636         }
637
638         status = ctx->ops->finish(ctx, mem_ctx, pnew_utdv);
639         if (!NT_STATUS_IS_OK(status)) {
640                 ctx->error_message = talloc_asprintf(mem_ctx,
641                         "Failed to call finishing operation: %s",
642                         nt_errstr(status));
643                 goto out;
644         }
645
646  out:
647         return status;
648 }
649
650 /****************************************************************
651 ****************************************************************/
652
653 NTSTATUS libnet_dssync(TALLOC_CTX *mem_ctx,
654                        struct dssync_context *ctx)
655 {
656         NTSTATUS status;
657
658         status = libnet_dssync_init(mem_ctx, ctx);
659         if (!NT_STATUS_IS_OK(status)) {
660                 goto out;
661         }
662
663         status = libnet_dssync_process(mem_ctx, ctx);
664         if (!NT_STATUS_IS_OK(status)) {
665                 goto out;
666         }
667
668  out:
669         return status;
670 }
671