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    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(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         }
 202         case 32: {
 203                 struct drsuapi_DsBindInfo32 *info32;
 204                 info32 = &bind_info.info.info32;
 205                 ctx->remote_info28.site_guid            = info32->site_guid;
 206                 ctx->remote_info28.supported_extensions = info32->supported_extensions;
 207                 ctx->remote_info28.pid                  = info32->pid;
 208                 ctx->remote_info28.repl_epoch           = info32->repl_epoch;
 209                 break;
 210         }
 211         case 48: {
 212                 struct drsuapi_DsBindInfo48 *info48;
 213                 info48 = &bind_info.info.info48;
 214                 ctx->remote_info28.site_guid            = info48->site_guid;
 215                 ctx->remote_info28.supported_extensions = info48->supported_extensions;
 216                 ctx->remote_info28.pid                  = info48->pid;
 217                 ctx->remote_info28.repl_epoch           = info48->repl_epoch;
 218                 break;
 219         }
 220         case 52: {
 221                 struct drsuapi_DsBindInfo52 *info52;
 222                 info52 = &bind_info.info.info52;
 223                 ctx->remote_info28.site_guid            = info52->site_guid;
 224                 ctx->remote_info28.supported_extensions = info52->supported_extensions;
 225                 ctx->remote_info28.pid                  = info52->pid;
 226                 ctx->remote_info28.repl_epoch           = info52->repl_epoch;
 227                 break;
 228         }
 229         default:
 230                 DEBUG(1, ("Warning: invalid info length in bind info: %d\n",
 231                           bind_info.length));
 232                 break;
 233         }
 234
 235         return status;
 236 }
 237
 238 /****************************************************************
 239 ****************************************************************/
 240
 241 static NTSTATUS libnet_dssync_lookup_nc(TALLOC_CTX *mem_ctx,
 242                                         struct dssync_context *ctx)
 243 {
 244         NTSTATUS status;
 245         WERROR werr;
 246         uint32_t level = 1;
 247         union drsuapi_DsNameRequest req;
 248         uint32_t level_out;
 249         struct drsuapi_DsNameString names[1];
 250         union drsuapi_DsNameCtr ctr;
 251         struct dcerpc_binding_handle *b = ctx->cli->binding_handle;
 252
 253         names[0].str = talloc_asprintf(mem_ctx, "%s\\", ctx->domain_name);
 254         NT_STATUS_HAVE_NO_MEMORY(names[0].str);
 255
 256         req.req1.codepage       = 1252; /* german */
 257         req.req1.language       = 0x00000407; /* german */
 258         req.req1.count          = 1;
 259         req.req1.names          = names;
 260         req.req1.format_flags   = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 261         req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_UNKNOWN;
 262         req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 263
 264         status = dcerpc_drsuapi_DsCrackNames(b, mem_ctx,
 265                                              &ctx->bind_handle,
 266                                              level,
 267                                              &req,
 268                                              &level_out,
 269                                              &ctr,
 270                                              &werr);
 271         if (!NT_STATUS_IS_OK(status)) {
 272                 ctx->error_message = talloc_asprintf(ctx,
 273                         "Failed to lookup DN for domain name: %s",
 274                         get_friendly_nt_error_msg(status));
 275                 return status;
 276         }
 277
 278         if (!W_ERROR_IS_OK(werr)) {
 279                 ctx->error_message = talloc_asprintf(ctx,
 280                         "Failed to lookup DN for domain name: %s",
 281                         get_friendly_werror_msg(werr));
 282                 return werror_to_ntstatus(werr);
 283         }
 284
 285         if (ctr.ctr1->count != 1) {
 286                 return NT_STATUS_UNSUCCESSFUL;
 287         }
 288
 289         if (ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 290                 return NT_STATUS_UNSUCCESSFUL;
 291         }
 292
 293         ctx->nc_dn = talloc_strdup(mem_ctx, ctr.ctr1->array[0].result_name);
 294         NT_STATUS_HAVE_NO_MEMORY(ctx->nc_dn);
 295
 296         if (!ctx->dns_domain_name) {
 297                 ctx->dns_domain_name = talloc_strdup_upper(mem_ctx,
 298                         ctr.ctr1->array[0].dns_domain_name);
 299                 NT_STATUS_HAVE_NO_MEMORY(ctx->dns_domain_name);
 300         }
 301
 302         return NT_STATUS_OK;
 303 }
 304
 305 /****************************************************************
 306 ****************************************************************/
 307
 308 static NTSTATUS libnet_dssync_init(TALLOC_CTX *mem_ctx,
 309                                    struct dssync_context *ctx)
 310 {
 311         NTSTATUS status;
 312
 313         status = libnet_dssync_bind(mem_ctx, ctx);
 314         if (!NT_STATUS_IS_OK(status)) {
 315                 return status;
 316         }
 317
 318         if (!ctx->nc_dn) {
 319                 status = libnet_dssync_lookup_nc(mem_ctx, ctx);
 320         }
 321
 322         return status;
 323 }
 324
 325 /****************************************************************
 326 ****************************************************************/
 327
 328 static NTSTATUS libnet_dssync_build_request(TALLOC_CTX *mem_ctx,
 329                                             struct dssync_context *ctx,
 330                                             const char *dn,
 331                                             struct replUpToDateVectorBlob *utdv,
 332                                             uint32_t *plevel,
 333                                             union drsuapi_DsGetNCChangesRequest *preq)
 334 {
 335         NTSTATUS status;
 336         uint32_t count;
 337         uint32_t level;
 338         union drsuapi_DsGetNCChangesRequest req;
 339         struct dom_sid null_sid;
 340         enum drsuapi_DsExtendedOperation extended_op;
 341         struct drsuapi_DsReplicaObjectIdentifier *nc = NULL;
 342         struct drsuapi_DsReplicaCursorCtrEx *cursors = NULL;
 343
 344         uint32_t replica_flags  = DRSUAPI_DRS_WRIT_REP |
 345                                   DRSUAPI_DRS_INIT_SYNC |
 346                                   DRSUAPI_DRS_PER_SYNC |
 347                                   DRSUAPI_DRS_GET_ANC |
 348                                   DRSUAPI_DRS_NEVER_SYNCED;
 349
 350         ZERO_STRUCT(null_sid);
 351         ZERO_STRUCT(req);
 352
 353         if (ctx->remote_info28.supported_extensions
 354             & DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8)
 355         {
 356                 level = 8;
 357         } else {
 358                 level = 5;
 359         }
 360
 361         nc = talloc_zero(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
 362         if (!nc) {
 363                 status = NT_STATUS_NO_MEMORY;
 364                 goto fail;
 365         }
 366         nc->dn = dn;
 367         nc->guid = GUID_zero();
 368         nc->sid = null_sid;
 369
 370         if (!ctx->single_object_replication &&
 371             !ctx->force_full_replication && utdv)
 372         {
 373                 cursors = talloc_zero(mem_ctx,
 374                                          struct drsuapi_DsReplicaCursorCtrEx);
 375                 if (!cursors) {
 376                         status = NT_STATUS_NO_MEMORY;
 377                         goto fail;
 378                 }
 379
 380                 switch (utdv->version) {
 381                 case 1:
 382                         cursors->count = utdv->ctr.ctr1.count;
 383                         cursors->cursors = utdv->ctr.ctr1.cursors;
 384                         break;
 385                 case 2:
 386                         cursors->count = utdv->ctr.ctr2.count;
 387                         cursors->cursors = talloc_array(cursors,
 388                                                 struct drsuapi_DsReplicaCursor,
 389                                                 cursors->count);
 390                         if (!cursors->cursors) {
 391                                 status = NT_STATUS_NO_MEMORY;
 392                                 goto fail;
 393                         }
 394                         for (count = 0; count < cursors->count; count++) {
 395                                 cursors->cursors[count].source_dsa_invocation_id =
 396                                         utdv->ctr.ctr2.cursors[count].source_dsa_invocation_id;
 397                                 cursors->cursors[count].highest_usn =
 398                                         utdv->ctr.ctr2.cursors[count].highest_usn;
 399                         }
 400                         break;
 401                 }
 402         }
 403
 404         if (ctx->single_object_replication) {
 405                 extended_op = DRSUAPI_EXOP_REPL_OBJ;
 406         } else {
 407                 extended_op = DRSUAPI_EXOP_NONE;
 408         }
 409
 410         if (level == 8) {
 411                 req.req8.naming_context         = nc;
 412                 req.req8.replica_flags          = replica_flags;
 413                 req.req8.max_object_count       = 402;
 414                 req.req8.max_ndr_size           = 402116;
 415                 req.req8.uptodateness_vector    = cursors;
 416                 req.req8.extended_op            = extended_op;
 417         } else if (level == 5) {
 418                 req.req5.naming_context         = nc;
 419                 req.req5.replica_flags          = replica_flags;
 420                 req.req5.max_object_count       = 402;
 421                 req.req5.max_ndr_size           = 402116;
 422                 req.req5.uptodateness_vector    = cursors;
 423                 req.req5.extended_op            = extended_op;
 424         } else {
 425                 status = NT_STATUS_INVALID_PARAMETER;
 426                 goto fail;
 427         }
 428
 429         if (plevel) {
 430                 *plevel = level;
 431         }
 432
 433         if (preq) {
 434                 *preq = req;
 435         }
 436
 437         return NT_STATUS_OK;
 438
 439 fail:
 440         TALLOC_FREE(nc);
 441         TALLOC_FREE(cursors);
 442         return status;
 443 }
 444
 445 static NTSTATUS libnet_dssync_getncchanges(TALLOC_CTX *mem_ctx,
 446                                            struct dssync_context *ctx,
 447                                            uint32_t level,
 448                                            union drsuapi_DsGetNCChangesRequest *req,
 449                                            struct replUpToDateVectorBlob **pnew_utdv)
 450 {
 451         NTSTATUS status;
 452         WERROR werr;
 453         union drsuapi_DsGetNCChangesCtr ctr;
 454         struct drsuapi_DsGetNCChangesCtr1 *ctr1 = NULL;
 455         struct drsuapi_DsGetNCChangesCtr6 *ctr6 = NULL;
 456         struct replUpToDateVectorBlob *new_utdv = NULL;
 457         uint32_t level_out = 0;
 458         uint32_t out_level = 0;
 459         int y;
 460         bool last_query;
 461         struct dcerpc_binding_handle *b = ctx->cli->binding_handle;
 462
 463         if (!ctx->single_object_replication) {
 464                 new_utdv = talloc_zero(mem_ctx, struct replUpToDateVectorBlob);
 465                 if (!new_utdv) {
 466                         status = NT_STATUS_NO_MEMORY;
 467                         goto out;
 468                 }
 469         }
 470
 471         for (y=0, last_query = false; !last_query; y++) {
 472                 struct drsuapi_DsReplicaObjectListItemEx *first_object = NULL;
 473                 struct drsuapi_DsReplicaOIDMapping_Ctr *mapping_ctr = NULL;
 474                 uint32_t linked_attributes_count = 0;
 475                 struct drsuapi_DsReplicaLinkedAttribute *linked_attributes = NULL;
 476
 477                 if (level == 8) {
 478                         DEBUG(1,("start[%d] tmp_higest_usn: %llu , highest_usn: %llu\n",y,
 479                                 (long long)req->req8.highwatermark.tmp_highest_usn,
 480                                 (long long)req->req8.highwatermark.highest_usn));
 481                 } else if (level == 5) {
 482                         DEBUG(1,("start[%d] tmp_higest_usn: %llu , highest_usn: %llu\n",y,
 483                                 (long long)req->req5.highwatermark.tmp_highest_usn,
 484                                 (long long)req->req5.highwatermark.highest_usn));
 485                 }
 486
 487                 status = dcerpc_drsuapi_DsGetNCChanges(b, mem_ctx,
 488                                                        &ctx->bind_handle,
 489                                                        level,
 490                                                        req,
 491                                                        &level_out,
 492                                                        &ctr,
 493                                                        &werr);
 494                 if (!NT_STATUS_IS_OK(status)) {
 495                         ctx->error_message = talloc_asprintf(ctx,
 496                                 "Failed to get NC Changes: %s",
 497                                 get_friendly_nt_error_msg(status));
 498                         goto out;
 499                 }
 500
 501                 if (!W_ERROR_IS_OK(werr)) {
 502                         status = werror_to_ntstatus(werr);
 503                         ctx->error_message = talloc_asprintf(ctx,
 504                                 "Failed to get NC Changes: %s",
 505                                 get_friendly_werror_msg(werr));
 506                         goto out;
 507                 }
 508
 509                 if (level_out == 1) {
 510                         out_level = 1;
 511                         ctr1 = &ctr.ctr1;
 512                 } else if (level_out == 2 && ctr.ctr2.mszip1.ts) {
 513                         out_level = 1;
 514                         ctr1 = &ctr.ctr2.mszip1.ts->ctr1;
 515                 } else if (level_out == 6) {
 516                         out_level = 6;
 517                         ctr6 = &ctr.ctr6;
 518                 } else if (level_out == 7
 519                            && ctr.ctr7.level == 6
 520                            && ctr.ctr7.type == DRSUAPI_COMPRESSION_TYPE_MSZIP
 521                            && ctr.ctr7.ctr.mszip6.ts) {
 522                         out_level = 6;
 523                         ctr6 = &ctr.ctr7.ctr.mszip6.ts->ctr6;
 524                 } else if (level_out == 7
 525                            && ctr.ctr7.level == 6
 526                            && ctr.ctr7.type == DRSUAPI_COMPRESSION_TYPE_XPRESS
 527                            && ctr.ctr7.ctr.xpress6.ts) {
 528                         out_level = 6;
 529                         ctr6 = &ctr.ctr7.ctr.xpress6.ts->ctr6;
 530                 }
 531
 532                 if (out_level == 1) {
 533                         DEBUG(1,("end[%d] tmp_highest_usn: %llu , highest_usn: %llu\n",y,
 534                                 (long long)ctr1->new_highwatermark.tmp_highest_usn,
 535                                 (long long)ctr1->new_highwatermark.highest_usn));
 536
 537                         first_object = ctr1->first_object;
 538                         mapping_ctr = &ctr1->mapping_ctr;
 539
 540                         if (ctr1->more_data) {
 541                                 req->req5.highwatermark = ctr1->new_highwatermark;
 542                         } else {
 543                                 last_query = true;
 544                                 if (ctr1->uptodateness_vector &&
 545                                     !ctx->single_object_replication)
 546                                 {
 547                                         new_utdv->version = 1;
 548                                         new_utdv->ctr.ctr1.count =
 549                                                 ctr1->uptodateness_vector->count;
 550                                         new_utdv->ctr.ctr1.cursors =
 551                                                 ctr1->uptodateness_vector->cursors;
 552                                 }
 553                         }
 554                 } else if (out_level == 6) {
 555                         DEBUG(1,("end[%d] tmp_highest_usn: %llu , highest_usn: %llu\n",y,
 556                                 (long long)ctr6->new_highwatermark.tmp_highest_usn,
 557                                 (long long)ctr6->new_highwatermark.highest_usn));
 558
 559                         first_object = ctr6->first_object;
 560                         mapping_ctr = &ctr6->mapping_ctr;
 561
 562                         linked_attributes = ctr6->linked_attributes;
 563                         linked_attributes_count = ctr6->linked_attributes_count;
 564
 565                         if (ctr6->more_data) {
 566                                 req->req8.highwatermark = ctr6->new_highwatermark;
 567                         } else {
 568                                 last_query = true;
 569                                 if (ctr6->uptodateness_vector &&
 570                                     !ctx->single_object_replication)
 571                                 {
 572                                         new_utdv->version = 2;
 573                                         new_utdv->ctr.ctr2.count =
 574                                                 ctr6->uptodateness_vector->count;
 575                                         new_utdv->ctr.ctr2.cursors =
 576                                                 ctr6->uptodateness_vector->cursors;
 577                                 }
 578                         }
 579                 }
 580
 581                 status = cli_get_session_key(mem_ctx, ctx->cli, &ctx->session_key);
 582                 if (!NT_STATUS_IS_OK(status)) {
 583                         ctx->error_message = talloc_asprintf(ctx,
 584                                 "Failed to get Session Key: %s",
 585                                 nt_errstr(status));
 586                         goto out;
 587                 }
 588
 589                 libnet_dssync_decrypt_attributes(mem_ctx,
 590                                                  &ctx->session_key,
 591                                                  first_object);
 592
 593                 if (ctx->ops->process_objects) {
 594                         status = ctx->ops->process_objects(ctx, mem_ctx,
 595                                                            first_object,
 596                                                            mapping_ctr);
 597                         if (!NT_STATUS_IS_OK(status)) {
 598                                 ctx->error_message = talloc_asprintf(ctx,
 599                                         "Failed to call processing function: %s",
 600                                         nt_errstr(status));
 601                                 goto out;
 602                         }
 603                 }
 604
 605                 if (linked_attributes_count == 0) {
 606                         continue;
 607                 }
 608
 609                 if (ctx->ops->process_links) {
 610                         status = ctx->ops->process_links(ctx, mem_ctx,
 611                                                          linked_attributes_count,
 612                                                          linked_attributes,
 613                                                          mapping_ctr);
 614                         if (!NT_STATUS_IS_OK(status)) {
 615                                 ctx->error_message = talloc_asprintf(ctx,
 616                                         "Failed to call processing function: %s",
 617                                         nt_errstr(status));
 618                                 goto out;
 619                         }
 620                 }
 621         }
 622
 623         *pnew_utdv = new_utdv;
 624
 625 out:
 626         return status;
 627 }
 628
 629 static NTSTATUS libnet_dssync_process(TALLOC_CTX *mem_ctx,
 630                                       struct dssync_context *ctx)
 631 {
 632         NTSTATUS status;
 633
 634         uint32_t level = 0;
 635         union drsuapi_DsGetNCChangesRequest req;
 636         struct replUpToDateVectorBlob *old_utdv = NULL;
 637         struct replUpToDateVectorBlob *pnew_utdv = NULL;
 638         const char **dns;
 639         uint32_t dn_count;
 640         uint32_t count;
 641
 642         if (ctx->ops->startup) {
 643                 status = ctx->ops->startup(ctx, mem_ctx, &old_utdv);
 644                 if (!NT_STATUS_IS_OK(status)) {
 645                         ctx->error_message = talloc_asprintf(ctx,
 646                                 "Failed to call startup operation: %s",
 647                                 nt_errstr(status));
 648                         goto out;
 649                 }
 650         }
 651
 652         if (ctx->single_object_replication && ctx->object_dns) {
 653                 dns = ctx->object_dns;
 654                 dn_count = ctx->object_count;
 655         } else {
 656                 dns = &ctx->nc_dn;
 657                 dn_count = 1;
 658         }
 659
 660         status = NT_STATUS_OK;
 661
 662         for (count=0; count < dn_count; count++) {
 663                 status = libnet_dssync_build_request(mem_ctx, ctx,
 664                                                      dns[count],
 665                                                      old_utdv, &level,
 666                                                      &req);
 667                 if (!NT_STATUS_IS_OK(status)) {
 668                         goto out;
 669                 }
 670
 671                 status = libnet_dssync_getncchanges(mem_ctx, ctx, level, &req,
 672                                                     &pnew_utdv);
 673                 if (!NT_STATUS_IS_OK(status)) {
 674                         if (!ctx->error_message) {
 675                                 ctx->error_message = talloc_asprintf(ctx,
 676                                         "Failed to call DsGetNCCHanges: %s",
 677                                         nt_errstr(status));
 678                         }
 679                         goto out;
 680                 }
 681         }
 682
 683         if (ctx->ops->finish) {
 684                 status = ctx->ops->finish(ctx, mem_ctx, pnew_utdv);
 685                 if (!NT_STATUS_IS_OK(status)) {
 686                         ctx->error_message = talloc_asprintf(ctx,
 687                                 "Failed to call finishing operation: %s",
 688                                 nt_errstr(status));
 689                         goto out;
 690                 }
 691         }
 692
 693  out:
 694         return status;
 695 }
 696
 697 /****************************************************************
 698 ****************************************************************/
 699
 700 NTSTATUS libnet_dssync(TALLOC_CTX *mem_ctx,
 701                        struct dssync_context *ctx)
 702 {
 703         NTSTATUS status;
 704         TALLOC_CTX *tmp_ctx;
 705
 706         tmp_ctx = talloc_new(mem_ctx);
 707         if (!tmp_ctx) {
 708                 return NT_STATUS_NO_MEMORY;
 709         }
 710
 711         status = libnet_dssync_init(tmp_ctx, ctx);
 712         if (!NT_STATUS_IS_OK(status)) {
 713                 goto out;
 714         }
 715
 716         status = libnet_dssync_process(tmp_ctx, ctx);
 717         if (!NT_STATUS_IS_OK(status)) {
 718                 goto out;
 719         }
 720
 721  out:
 722         TALLOC_FREE(tmp_ctx);
 723         return status;
 724 }
 725