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s4:dsdb/kcc: we don't need to manually allocate [out,ref] pointers anymore
[Samba/gebeck_regimport.git] / source4 / dsdb / kcc / kcc_drs_replica_info.c
blob05c1eb24d8aa6324c0b0acbd811cd14e7da47104
1 /*
2 Unix SMB/CIFS implementation.
3
4 DRS Replica Information
5
6 Copyright (C) Erick Nogueira do Nascimento 2009-2010
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 "dsdb/samdb/samdb.h"
25 #include "dsdb/common/proto.h"
26 #include "auth/auth.h"
27 #include "smbd/service.h"
28 #include "lib/events/events.h"
29 #include "lib/messaging/irpc.h"
30 #include "dsdb/kcc/kcc_service.h"
31 #include "lib/ldb/include/ldb_errors.h"
32 #include "../lib/util/dlinklist.h"
33 #include "librpc/gen_ndr/ndr_misc.h"
34 #include "librpc/gen_ndr/ndr_drsuapi.h"
35 #include "librpc/gen_ndr/ndr_drsblobs.h"
36 #include "param/param.h"
37 #include "dsdb/common/util.h"
38
39
40 /*
41 get the stamp values for the linked attribute 'linked_attr_name' of the object 'dn'
42 */
43 static WERROR get_linked_attribute_value_stamp(TALLOC_CTX *mem_ctx, struct ldb_context *samdb,
44 struct ldb_dn *dn, const char *linked_attr_name,
45 uint32_t *attr_version, NTTIME *attr_change_time, uint32_t *attr_orig_usn)
46 {
47 struct ldb_result *res;
48 int ret;
49 const char *attrs[2];
50 struct ldb_dn *attr_ext_dn;
51 NTSTATUS ntstatus;
52
53 attrs[0] = linked_attr_name;
54 attrs[1] = NULL;
55
56 ret = dsdb_search_dn(samdb, mem_ctx, &res, dn, attrs,
57 DSDB_SEARCH_SHOW_EXTENDED_DN | DSDB_SEARCH_REVEAL_INTERNALS);
58 if (ret != LDB_SUCCESS) {
59 DEBUG(0, (__location__ ": Failed search for attribute %s on %s",
60 linked_attr_name, ldb_dn_get_linearized(dn)));
61 return WERR_INTERNAL_ERROR;
62 }
63
64 attr_ext_dn = ldb_msg_find_attr_as_dn(samdb, mem_ctx, res->msgs[0], linked_attr_name);
65 if (!attr_ext_dn) {
66 DEBUG(0, (__location__ ": Failed search for attribute %s on %s",
67 linked_attr_name, ldb_dn_get_linearized(dn)));
68 return WERR_INTERNAL_ERROR;
69 }
70
71 DEBUG(0, ("linked_attr_name = %s, attr_ext_dn = %s", linked_attr_name,
72 ldb_dn_get_extended_linearized(mem_ctx, attr_ext_dn, 1)));
73
74 ntstatus = dsdb_get_extended_dn_uint32(attr_ext_dn, attr_version, "RMD_VERSION");
75 if (!NT_STATUS_IS_OK(ntstatus)) {
76 DEBUG(0, (__location__ ": Could not extract component %s from dn \"%s\"",
77 "RMD_VERSION", ldb_dn_get_extended_linearized(mem_ctx, attr_ext_dn, 1)));
78 return WERR_INTERNAL_ERROR;
79 }
80
81 ntstatus = dsdb_get_extended_dn_nttime(attr_ext_dn, attr_change_time, "RMD_CHANGETIME");
82 if (!NT_STATUS_IS_OK(ntstatus)) {
83 DEBUG(0, (__location__ ": Could not extract component %s from dn \"%s\"",
84 "RMD_CHANGETIME", ldb_dn_get_extended_linearized(mem_ctx, attr_ext_dn, 1)));
85 return WERR_INTERNAL_ERROR;
86 }
87
88 ntstatus = dsdb_get_extended_dn_uint32(attr_ext_dn, attr_version, "RMD_ORIGINATING_USN");
89 if (!NT_STATUS_IS_OK(ntstatus)) {
90 DEBUG(0, (__location__ ": Could not extract component %s from dn \"%s\"",
91 "RMD_ORIGINATING_USN", ldb_dn_get_extended_linearized(mem_ctx, attr_ext_dn, 1)));
92 return WERR_INTERNAL_ERROR;
93 }
94
95 return WERR_OK;
96 }
97
98 static WERROR get_repl_prop_metadata_ctr(TALLOC_CTX *mem_ctx,
99 struct ldb_context *samdb,
100 struct ldb_dn *dn,
101 struct replPropertyMetaDataBlob *obj_metadata_ctr)
102 {
103 int ret;
104 struct ldb_result *res;
105 const char *attrs[] = { "replPropertyMetaData", NULL };
106 const struct ldb_val *omd_value;
107 enum ndr_err_code ndr_err;
108
109 ret = ldb_search(samdb, mem_ctx, &res, dn, LDB_SCOPE_BASE, attrs, NULL);
110 if (ret != LDB_SUCCESS || res->count != 1) {
111 DEBUG(0, (__location__ ": Failed search for replPropertyMetaData attribute on %s",
112 ldb_dn_get_linearized(dn)));
113 return WERR_INTERNAL_ERROR;
114 }
115
116 omd_value = ldb_msg_find_ldb_val(res->msgs[0], "replPropertyMetaData");
117 if (!omd_value) {
118 DEBUG(0,(__location__ ": Object %s does not have a replPropertyMetaData attribute\n",
119 ldb_dn_get_linearized(dn)));
120 talloc_free(res);
121 return WERR_INTERNAL_ERROR;
122 }
123
124 ndr_err = ndr_pull_struct_blob(omd_value, mem_ctx,
125 obj_metadata_ctr,
126 (ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
127 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
128 DEBUG(0,(__location__ ": Failed to parse replPropertyMetaData for %s\n",
129 ldb_dn_get_linearized(dn)));
130 talloc_free(res);
131 return WERR_INTERNAL_ERROR;
132 }
133
134 talloc_free(res);
135 return WERR_OK;
136 }
137
138 /*
139 get the DN of the nTDSDSA object from the configuration partition
140 whose invocationId is 'invocation_id'
141 put the value on 'dn_str'
142 */
143 static WERROR get_dn_from_invocation_id(TALLOC_CTX *mem_ctx,
144 struct ldb_context *samdb,
145 struct GUID *invocation_id,
146 const char **dn_str)
147 {
148 char *invocation_id_str;
149 const char *attrs_invocation[] = { NULL };
150 struct ldb_message *msg;
151 int ret;
152
153 invocation_id_str = GUID_string(mem_ctx, invocation_id);
154 W_ERROR_HAVE_NO_MEMORY(invocation_id_str);
155
156 ret = dsdb_search_one(samdb, invocation_id_str, &msg, ldb_get_config_basedn(samdb), LDB_SCOPE_SUBTREE,
157 attrs_invocation, 0, "(&(objectClass=nTDSDSA)(invocationId=%s))", invocation_id_str);
158 if (ret != LDB_SUCCESS) {
159 DEBUG(0, (__location__ ": Failed search for the object DN under %s whose invocationId is %s",
160 invocation_id_str, ldb_dn_get_linearized(ldb_get_config_basedn(samdb))));
161 talloc_free(invocation_id_str);
162 return WERR_INTERNAL_ERROR;
163 }
164
165 *dn_str = ldb_dn_alloc_linearized(mem_ctx, msg->dn);
166 talloc_free(invocation_id_str);
167 return WERR_OK;
168 }
169
170 /*
171 get metadata version 2 info for a specified object DN
172 */
173 static WERROR kccdrs_replica_get_info_obj_metadata2(TALLOC_CTX *mem_ctx,
174 struct ldb_context *samdb,
175 struct drsuapi_DsReplicaGetInfo *r,
176 union drsuapi_DsReplicaInfo *reply,
177 struct ldb_dn *dn,
178 uint32_t base_index)
179 {
180 WERROR status;
181 struct replPropertyMetaDataBlob omd_ctr;
182 struct replPropertyMetaData1 *attr;
183 struct drsuapi_DsReplicaObjMetaData2Ctr *metadata2;
184 const struct dsdb_schema *schema;
185
186 uint32_t i, j;
187
188 DEBUG(0, ("kccdrs_replica_get_info_obj_metadata2() called\n"));
189
190 if (!dn) {
191 return WERR_INVALID_PARAMETER;
192 }
193
194 if (!ldb_dn_validate(dn)) {
195 return WERR_DS_DRA_BAD_DN;
196 }
197
198 status = get_repl_prop_metadata_ctr(mem_ctx, samdb, dn, &omd_ctr);
199 W_ERROR_NOT_OK_RETURN(status);
200
201 schema = dsdb_get_schema(samdb, reply);
202 if (!schema) {
203 DEBUG(0,(__location__": Failed to get the schema\n"));
204 return WERR_INTERNAL_ERROR;
205 }
206
207 reply->objmetadata2 = talloc_zero(mem_ctx, struct drsuapi_DsReplicaObjMetaData2Ctr);
208 W_ERROR_HAVE_NO_MEMORY(reply->objmetadata2);
209 metadata2 = reply->objmetadata2;
210 metadata2->enumeration_context = 0;
211
212 /* For each replicated attribute of the object */
213 for (i = 0, j = 0; i < omd_ctr.ctr.ctr1.count; i++) {
214 const struct dsdb_attribute *schema_attr;
215 uint32_t attr_version;
216 NTTIME attr_change_time;
217 uint32_t attr_originating_usn;
218
219 /*
220 attr := attrsSeq[i]
221 s := AttrStamp(object, attr)
222 */
223 /* get a reference to the attribute on 'omd_ctr' */
224 attr = &omd_ctr.ctr.ctr1.array[j];
225
226 schema_attr = dsdb_attribute_by_attributeID_id(schema, attr->attid);
227
228 DEBUG(0, ("attribute_id = %d, attribute_name: %s\n", attr->attid, schema_attr->lDAPDisplayName));
229
230 /*
231 if (attr in Link Attributes of object and
232 dwInVersion = 2 and DS_REPL_INFO_FLAG_IMPROVE_LINKED_ATTRS in msgIn.ulFlags)
233 */
234 if (schema_attr &&
235 schema_attr->linkID != 0 && /* Checks if attribute is a linked attribute */
236 (schema_attr->linkID % 2) == 0 && /* is it a forward link? only forward links have the LinkValueStamp */
237 r->in.level == 2 &&
238 (r->in.req->req2.flags & DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE)) /* on MS-DRSR it is DS_REPL_INFO_FLAG_IMPROVE_LINKED_ATTRS */
239 {
240 /*
241 ls := LinkValueStamp of the most recent
242 value change in object!attr
243 */
244 status = get_linked_attribute_value_stamp(mem_ctx, samdb, dn, schema_attr->lDAPDisplayName,
245 &attr_version, &attr_change_time, &attr_originating_usn);
246 W_ERROR_NOT_OK_RETURN(status);
247
248 /*
249 Aligning to MS-DRSR 4.1.13.3:
250 's' on the doc is 'attr->originating_change_time' here
251 'ls' on the doc is 'attr_change_time' here
252 */
253
254 /* if (ls is more recent than s (based on order in which the change was applied on server)) then */
255 if (attr_change_time > attr->originating_change_time) {
256 /*
257 Improve the stamp with the link value stamp.
258 s.dwVersion := ls.dwVersion
259 s.timeChanged := ls.timeChanged
260 s.uuidOriginating := NULLGUID
261 s.usnOriginating := ls.usnOriginating
262 */
263 attr->version = attr_version;
264 attr->originating_change_time = attr_change_time;
265 attr->originating_invocation_id = GUID_zero();
266 attr->originating_usn = attr_originating_usn;
267 }
268 }
269
270 if (i < base_index) {
271 continue;
272 }
273
274 metadata2->array = talloc_realloc(mem_ctx, metadata2->array,
275 struct drsuapi_DsReplicaObjMetaData2, j + 1);
276 W_ERROR_HAVE_NO_MEMORY(metadata2->array);
277 metadata2->array[j].attribute_name = schema_attr->lDAPDisplayName;
278 metadata2->array[j].local_usn = attr->local_usn;
279 metadata2->array[j].originating_change_time = attr->originating_change_time;
280 metadata2->array[j].originating_invocation_id = attr->originating_invocation_id;
281 metadata2->array[j].originating_usn = attr->originating_usn;
282 metadata2->array[j].version = attr->version;
283
284 /*
285 originating_dsa_dn := GetDNFromInvocationID(originating_invocation_id)
286 GetDNFromInvocationID() should return the DN of the nTDSDSAobject that has the specified invocation ID
287 See MS-DRSR 4.1.13.3 and 4.1.13.2.1
288 */
289 status = get_dn_from_invocation_id(mem_ctx, samdb,
290 &attr->originating_invocation_id,
291 &metadata2->array[j].originating_dsa_dn);
292 W_ERROR_NOT_OK_RETURN(status);
293 j++;
294 metadata2->count = j;
295
296 }
297
298 return WERR_OK;
299 }
300
301 /*
302 get cursors info for a specified DN
303 */
304 static WERROR kccdrs_replica_get_info_cursors(TALLOC_CTX *mem_ctx,
305 struct ldb_context *samdb,
306 struct drsuapi_DsReplicaGetInfo *r,
307 union drsuapi_DsReplicaInfo *reply,
308 struct ldb_dn *dn)
309 {
310 int ret;
311
312 if (!ldb_dn_validate(dn)) {
313 return WERR_INVALID_PARAMETER;
314 }
315 reply->cursors = talloc(mem_ctx, struct drsuapi_DsReplicaCursorCtr);
316 W_ERROR_HAVE_NO_MEMORY(reply->cursors);
317
318 reply->cursors->reserved = 0;
319
320 ret = dsdb_load_udv_v1(samdb, dn, reply->cursors, &reply->cursors->array, &reply->cursors->count);
321 if (ret != LDB_SUCCESS) {
322 return WERR_DS_DRA_BAD_NC;
323 }
324 return WERR_OK;
325 }
326
327 /*
328 get cursors2 info for a specified DN
329 */
330 static WERROR kccdrs_replica_get_info_cursors2(TALLOC_CTX *mem_ctx,
331 struct ldb_context *samdb,
332 struct drsuapi_DsReplicaGetInfo *r,
333 union drsuapi_DsReplicaInfo *reply,
334 struct ldb_dn *dn)
335 {
336 int ret;
337
338 if (!ldb_dn_validate(dn)) {
339 return WERR_INVALID_PARAMETER;
340 }
341 reply->cursors2 = talloc(mem_ctx, struct drsuapi_DsReplicaCursor2Ctr);
342 W_ERROR_HAVE_NO_MEMORY(reply->cursors2);
343
344 ret = dsdb_load_udv_v2(samdb, dn, reply->cursors2, &reply->cursors2->array, &reply->cursors2->count);
345 if (ret != LDB_SUCCESS) {
346 return WERR_DS_DRA_BAD_NC;
347 }
348
349 reply->cursors2->enumeration_context = reply->cursors2->count;
350 return WERR_OK;
351 }
352
353 /*
354 get pending ops info for a specified DN
355 */
356 static WERROR kccdrs_replica_get_info_pending_ops(TALLOC_CTX *mem_ctx,
357 struct ldb_context *samdb,
358 struct drsuapi_DsReplicaGetInfo *r,
359 union drsuapi_DsReplicaInfo *reply,
360 struct ldb_dn *dn)
361 {
362 struct timeval now = timeval_current();
363
364 if (!ldb_dn_validate(dn)) {
365 return WERR_INVALID_PARAMETER;
366 }
367 reply->pendingops = talloc(mem_ctx, struct drsuapi_DsReplicaOpCtr);
368 W_ERROR_HAVE_NO_MEMORY(reply->pendingops);
369
370 /* claim no pending ops for now */
371 reply->pendingops->time = timeval_to_nttime(&now);
372 reply->pendingops->count = 0;
373 reply->pendingops->array = NULL;
374
375 return WERR_OK;
376 }
377
378 struct ncList {
379 struct ldb_dn *dn;
380 struct ncList *prev, *next;
381 };
382
383 /*
384 Fill 'master_nc_list' with the master ncs hosted by this server
385 */
386 static WERROR get_master_ncs(TALLOC_CTX *mem_ctx, struct ldb_context *samdb,
387 const char *ntds_guid_str, struct ncList **master_nc_list)
388 {
389 const char *attrs[] = { "hasMasterNCs", NULL };
390 struct ldb_result *res;
391 struct ncList *nc_list = NULL;
392 struct ncList *nc_list_elem;
393 int ret;
394 unsigned int i;
395 char *nc_str;
396
397 ret = ldb_search(samdb, mem_ctx, &res, ldb_get_config_basedn(samdb),
398 LDB_SCOPE_DEFAULT, attrs, "(objectguid=%s)", ntds_guid_str);
399
400 if (ret != LDB_SUCCESS) {
401 DEBUG(0,(__location__ ": Failed objectguid search - %s\n", ldb_errstring(samdb)));
402 return WERR_INTERNAL_ERROR;
403 }
404
405 if (res->count == 0) {
406 DEBUG(0,(__location__ ": Failed: objectguid=%s not found\n", ntds_guid_str));
407 return WERR_INTERNAL_ERROR;
408 }
409
410 for (i = 0; i < res->count; i++) {
411 struct ldb_message_element *msg_elem = ldb_msg_find_element(res->msgs[i], "hasMasterNCs");
412 unsigned int k;
413
414 if (!msg_elem || msg_elem->num_values == 0) {
415 DEBUG(0,(__location__ ": Failed: Attribute hasMasterNCs not found - %s\n",
416 ldb_errstring(samdb)));
417 return WERR_INTERNAL_ERROR;
418 }
419
420 for (k = 0; k < msg_elem->num_values; k++) {
421 int len = msg_elem->values[k].length;
422
423 /* copy the string on msg_elem->values[k]->data to nc_str */
424 nc_str = talloc_array(mem_ctx, char, len);
425 W_ERROR_HAVE_NO_MEMORY(nc_str);
426 memcpy(nc_str, msg_elem->values[k].data, len);
427 nc_str[len] = '\0';
428
429 nc_list_elem = talloc_zero(mem_ctx, struct ncList);
430 W_ERROR_HAVE_NO_MEMORY(nc_list_elem);
431 nc_list_elem->dn = ldb_dn_new(mem_ctx, samdb, nc_str);
432 W_ERROR_HAVE_NO_MEMORY(nc_list_elem);
433 DLIST_ADD(nc_list, nc_list_elem);
434 }
435
436 }
437
438 *master_nc_list = nc_list;
439 return WERR_OK;
440 }
441
442 /*
443 Fill 'nc_list' with the ncs list. (MS-DRSR 4.1.13.3)
444 if the object dn is specified, fill 'nc_list' only with this dn
445 otherwise, fill 'nc_list' with all master ncs hosted by this server
446 */
447 static WERROR get_ncs_list(TALLOC_CTX *mem_ctx,
448 struct ldb_context *samdb,
449 struct kccsrv_service *service,
450 const char *object_dn_str,
451 struct ncList **nc_list)
452 {
453 WERROR status;
454 struct ncList *nc_list_elem;
455 struct ldb_dn *nc_dn;
456
457 if (object_dn_str != NULL) {
458 /* ncs := { object_dn } */
459 *nc_list = NULL;
460 nc_dn = ldb_dn_new(mem_ctx, samdb, object_dn_str);
461 nc_list_elem = talloc_zero(mem_ctx, struct ncList);
462 W_ERROR_HAVE_NO_MEMORY(nc_list_elem);
463 nc_list_elem->dn = nc_dn;
464 DLIST_ADD_END(*nc_list, nc_list_elem, struct ncList*);
465 } else {
466 /* ncs := getNCs() from ldb database.
467 * getNCs() must return an array containing
468 * the DSNames of all NCs hosted by this
469 * server.
470 */
471 char *ntds_guid_str = GUID_string(mem_ctx, &service->ntds_guid);
472 W_ERROR_HAVE_NO_MEMORY(ntds_guid_str);
473 status = get_master_ncs(mem_ctx, samdb, ntds_guid_str, nc_list);
474 W_ERROR_NOT_OK_RETURN(status);
475 }
476
477 return WERR_OK;
478 }
479
480 /*
481 Copy the fields from 'reps1' to 'reps2', leaving zeroed the fields on
482 'reps2' that aren't available on 'reps1'.
483 */
484 static WERROR copy_repsfrom_1_to_2(TALLOC_CTX *mem_ctx,
485 struct repsFromTo2 **reps2,
486 struct repsFromTo1 *reps1)
487 {
488 struct repsFromTo2* reps;
489
490 reps = talloc_zero(mem_ctx, struct repsFromTo2);
491 W_ERROR_HAVE_NO_MEMORY(reps);
492
493 reps->blobsize = reps1->blobsize;
494 reps->consecutive_sync_failures = reps1->consecutive_sync_failures;
495 reps->last_attempt = reps1->last_attempt;
496 reps->last_success = reps1->last_success;
497 reps->other_info = talloc_zero(mem_ctx, struct repsFromTo2OtherInfo);
498 W_ERROR_HAVE_NO_MEMORY(reps->other_info);
499 reps->other_info->dns_name1 = reps1->other_info->dns_name;
500 reps->replica_flags = reps1->replica_flags;
501 memcpy(reps->schedule, reps1->schedule, sizeof(reps1->schedule));
502 reps->reserved = reps1->reserved;
503 reps->highwatermark = reps1->highwatermark;
504 reps->source_dsa_obj_guid = reps1->source_dsa_obj_guid;
505 reps->source_dsa_invocation_id = reps1->source_dsa_invocation_id;
506 reps->transport_guid = reps1->transport_guid;
507
508 *reps2 = reps;
509 return WERR_OK;
510 }
511
512 static WERROR fill_neighbor_from_repsFrom(TALLOC_CTX *mem_ctx,
513 struct ldb_context *samdb,
514 struct ldb_dn *nc_dn,
515 struct drsuapi_DsReplicaNeighbour *neigh,
516 struct repsFromTo2 *reps_from)
517 {
518 struct ldb_dn *source_dsa_dn;
519 int ret;
520 struct ldb_dn *transport_obj_dn = NULL;
521
522 neigh->source_dsa_address = reps_from->other_info->dns_name1;
523 neigh->replica_flags = reps_from->replica_flags;
524 neigh->last_attempt = reps_from->last_attempt;
525 neigh->source_dsa_obj_guid = reps_from->source_dsa_obj_guid;
526
527 ret = dsdb_find_dn_by_guid(samdb, mem_ctx, &reps_from->source_dsa_obj_guid,
528 &source_dsa_dn);
529
530 if (ret != LDB_SUCCESS) {
531 DEBUG(0,(__location__ ": Failed to find DN for neighbor GUID %s\n",
532 GUID_string(mem_ctx, &reps_from->source_dsa_obj_guid)));
533 return WERR_DS_DRA_INTERNAL_ERROR;
534 }
535
536 neigh->source_dsa_obj_dn = ldb_dn_get_linearized(source_dsa_dn);
537 neigh->naming_context_dn = ldb_dn_get_linearized(nc_dn);
538
539 if (dsdb_find_guid_by_dn(samdb, nc_dn, &neigh->naming_context_obj_guid)
540 != LDB_SUCCESS) {
541 return WERR_DS_DRA_INTERNAL_ERROR;
542 }
543
544 if (!GUID_all_zero(&reps_from->transport_guid)) {
545 ret = dsdb_find_dn_by_guid(samdb, mem_ctx, &reps_from->transport_guid,
546 &transport_obj_dn);
547 if (ret != LDB_SUCCESS) {
548 return WERR_DS_DRA_INTERNAL_ERROR;
549 }
550 }
551
552 neigh->transport_obj_dn = ldb_dn_get_linearized(transport_obj_dn);
553 neigh->source_dsa_invocation_id = reps_from->source_dsa_invocation_id;
554 neigh->transport_obj_guid = reps_from->transport_guid;
555 neigh->highest_usn = reps_from->highwatermark.highest_usn;
556 neigh->tmp_highest_usn = reps_from->highwatermark.tmp_highest_usn;
557 neigh->last_success = reps_from->last_success;
558 neigh->result_last_attempt = reps_from->result_last_attempt;
559 neigh->consecutive_sync_failures = reps_from->consecutive_sync_failures;
560 neigh->reserved = 0; /* Unused. MUST be 0. */
561
562 return WERR_OK;
563 }
564
565 /*
566 Get the inbound neighbours of this DC
567 See details on MS-DRSR 4.1.13.3, for infoType DS_REPL_INFO_NEIGHBORS
568 */
569 static WERROR kccdrs_replica_get_info_neighbours(TALLOC_CTX *mem_ctx,
570 struct kccsrv_service *service,
571 struct ldb_context *samdb,
572 struct drsuapi_DsReplicaGetInfo *r,
573 union drsuapi_DsReplicaInfo *reply,
574 uint32_t base_index,
575 struct GUID req_src_dsa_guid,
576 const char *object_dn_str)
577 {
578 WERROR status;
579 uint32_t i, j;
580 struct ldb_dn *nc_dn = NULL;
581 struct ncList *p_nc_list = NULL;
582 struct repsFromToBlob *reps_from_blob = NULL;
583 struct repsFromTo2 *reps_from = NULL;
584 uint32_t c_reps_from;
585 uint32_t i_rep;
586 struct drsuapi_DsReplicaNeighbour neigh;
587 struct ncList *nc_list = NULL;
588
589 status = get_ncs_list(mem_ctx, samdb, service, object_dn_str, &nc_list);
590 W_ERROR_NOT_OK_RETURN(status);
591
592 i = j = 0;
593
594 reply->neighbours = talloc_zero(mem_ctx, struct drsuapi_DsReplicaNeighbourCtr);
595 W_ERROR_HAVE_NO_MEMORY(reply->neighbours);
596 reply->neighbours->reserved = 0;
597 reply->neighbours->count = 0;
598
599 /* foreach nc in ncs */
600 for (p_nc_list = nc_list; p_nc_list != NULL; p_nc_list = p_nc_list->next) {
601
602 nc_dn = p_nc_list->dn;
603
604 /* load the nc's repsFromTo blob */
605 status = dsdb_loadreps(samdb, mem_ctx, nc_dn, "repsFrom",
606 &reps_from_blob, &c_reps_from);
607 W_ERROR_NOT_OK_RETURN(status);
608
609 /* foreach r in nc!repsFrom */
610 for (i_rep = 0; i_rep < c_reps_from; i_rep++) {
611
612 /* put all info on reps_from */
613 if (reps_from_blob[i_rep].version == 1) {
614 status = copy_repsfrom_1_to_2(mem_ctx, &reps_from,
615 &reps_from_blob[i_rep].ctr.ctr1);
616 W_ERROR_NOT_OK_RETURN(status);
617 } else { /* reps_from->version == 2 */
618 reps_from = &reps_from_blob[i_rep].ctr.ctr2;
619 }
620
621 if (GUID_all_zero(&req_src_dsa_guid) ||
622 GUID_compare(&req_src_dsa_guid, &reps_from->source_dsa_obj_guid) == 0)
623 {
624
625 if (i >= base_index) {
626 status = fill_neighbor_from_repsFrom(mem_ctx, samdb,
627 nc_dn, &neigh,
628 reps_from);
629 W_ERROR_NOT_OK_RETURN(status);
630
631 /* append the neighbour to the neighbours array */
632 reply->neighbours->array = talloc_realloc(mem_ctx,
633 reply->neighbours->array,
634 struct drsuapi_DsReplicaNeighbour,
635 reply->neighbours->count + 1);
636 reply->neighbours->array[reply->neighbours->count++] = neigh;
637 j++;
638 }
639
640 i++;
641 }
642 }
643 }
644
645 return WERR_OK;
646 }
647
648 static WERROR fill_neighbor_from_repsTo(TALLOC_CTX *mem_ctx,
649 struct ldb_context *samdb, struct ldb_dn *nc_dn,
650 struct drsuapi_DsReplicaNeighbour *neigh,
651 struct repsFromTo2 *reps_to)
652 {
653 int ret;
654 struct ldb_dn *source_dsa_dn;
655
656 neigh->source_dsa_address = reps_to->other_info->dns_name1;
657 neigh->replica_flags = reps_to->replica_flags;
658 neigh->last_attempt = reps_to->last_attempt;
659 neigh->source_dsa_obj_guid = reps_to->source_dsa_obj_guid;
660
661 ret = dsdb_find_dn_by_guid(samdb, mem_ctx, &reps_to->source_dsa_obj_guid, &source_dsa_dn);
662 if (ret != LDB_SUCCESS) {
663 DEBUG(0,(__location__ ": Failed to find DN for neighbor GUID %s\n",
664 GUID_string(mem_ctx, &reps_to->source_dsa_obj_guid)));
665 return WERR_DS_DRA_INTERNAL_ERROR;
666 }
667
668 neigh->source_dsa_obj_dn = ldb_dn_get_linearized(source_dsa_dn);
669 neigh->naming_context_dn = ldb_dn_get_linearized(nc_dn);
670
671 ret = dsdb_find_guid_by_dn(samdb, nc_dn,
672 &neigh->naming_context_obj_guid);
673 if (ret != LDB_SUCCESS) {
674 DEBUG(0,(__location__ ": Failed to find GUID for DN %s\n",
675 ldb_dn_get_linearized(nc_dn)));
676 return WERR_DS_DRA_INTERNAL_ERROR;
677 }
678
679 return WERR_OK;
680 }
681
682 /*
683 Get the outbound neighbours of this DC
684 See details on MS-DRSR 4.1.13.3, for infoType DS_REPL_INFO_REPSTO
685 */
686 static WERROR kccdrs_replica_get_info_repsto(TALLOC_CTX *mem_ctx,
687 struct kccsrv_service *service,
688 struct ldb_context *samdb,
689 struct drsuapi_DsReplicaGetInfo *r,
690 union drsuapi_DsReplicaInfo *reply,
691 uint32_t base_index,
692 struct GUID req_src_dsa_guid,
693 const char *object_dn_str)
694 {
695 WERROR status;
696 uint32_t i, j;
697 struct ncList *p_nc_list = NULL;
698 struct ldb_dn *nc_dn = NULL;
699 struct repsFromToBlob *reps_to_blob;
700 struct repsFromTo2 *reps_to;
701 uint32_t c_reps_to;
702 uint32_t i_rep;
703 struct drsuapi_DsReplicaNeighbour neigh;
704 struct ncList *nc_list = NULL;
705
706 status = get_ncs_list(mem_ctx, samdb, service, object_dn_str, &nc_list);
707 W_ERROR_NOT_OK_RETURN(status);
708
709 i = j = 0;
710
711 reply->repsto = talloc_zero(mem_ctx, struct drsuapi_DsReplicaNeighbourCtr);
712 W_ERROR_HAVE_NO_MEMORY(reply->repsto);
713 reply->repsto->reserved = 0;
714 reply->repsto->count = 0;
715
716 /* foreach nc in ncs */
717 for (p_nc_list = nc_list; p_nc_list != NULL; p_nc_list = p_nc_list->next) {
718
719 nc_dn = p_nc_list->dn;
720
721 status = dsdb_loadreps(samdb, mem_ctx, nc_dn, "repsTo",
722 &reps_to_blob, &c_reps_to);
723 W_ERROR_NOT_OK_RETURN(status);
724
725 /* foreach r in nc!repsTo */
726 for (i_rep = 0; i_rep < c_reps_to; i_rep++) {
727
728 /* put all info on reps_to */
729 if (reps_to_blob[i_rep].version == 1) {
730 status = copy_repsfrom_1_to_2(mem_ctx,
731 &reps_to,
732 &reps_to_blob[i_rep].ctr.ctr1);
733 W_ERROR_NOT_OK_RETURN(status);
734 } else { /* reps_to->version == 2 */
735 reps_to = &reps_to_blob[i_rep].ctr.ctr2;
736 }
737
738 if (i >= base_index) {
739 status = fill_neighbor_from_repsTo(mem_ctx,
740 samdb, nc_dn,
741 &neigh, reps_to);
742 W_ERROR_NOT_OK_RETURN(status);
743
744 /* append the neighbour to the neighbours array */
745 reply->repsto->array = talloc_realloc(mem_ctx,
746 reply->repsto->array,
747 struct drsuapi_DsReplicaNeighbour,
748 reply->repsto->count + 1);
749 reply->repsto->array[reply->repsto->count++] = neigh;
750 j++;
751 }
752 i++;
753 }
754 }
755
756 return WERR_OK;
757 }
758
759 NTSTATUS kccdrs_replica_get_info(struct irpc_message *msg,
760 struct drsuapi_DsReplicaGetInfo *req)
761 {
762 WERROR status;
763 struct drsuapi_DsReplicaGetInfoRequest1 *req1;
764 struct drsuapi_DsReplicaGetInfoRequest2 *req2;
765 uint32_t base_index;
766 union drsuapi_DsReplicaInfo *reply;
767 struct GUID req_src_dsa_guid;
768 const char *object_dn_str = NULL;
769 struct kccsrv_service *service;
770 struct ldb_context *samdb;
771 TALLOC_CTX *mem_ctx;
772 enum drsuapi_DsReplicaInfoType info_type;
773 uint32_t flags;
774 const char *attribute_name, *value_dn;
775
776 service = talloc_get_type(msg->private_data, struct kccsrv_service);
777 samdb = service->samdb;
778 mem_ctx = talloc_new(msg);
779 NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
780
781 NDR_PRINT_IN_DEBUG(drsuapi_DsReplicaGetInfo, req);
782
783 /* check request version */
784 if (req->in.level != DRSUAPI_DS_REPLICA_GET_INFO &&
785 req->in.level != DRSUAPI_DS_REPLICA_GET_INFO2)
786 {
787 DEBUG(1,(__location__ ": Unsupported DsReplicaGetInfo level %u\n",
788 req->in.level));
789 status = WERR_REVISION_MISMATCH;
790 goto done;
791 }
792
793 if (req->in.level == DRSUAPI_DS_REPLICA_GET_INFO) {
794 req1 = &req->in.req->req1;
795 base_index = 0;
796 info_type = req1->info_type;
797 object_dn_str = req1->object_dn;
798 req_src_dsa_guid = req1->source_dsa_guid;
799 } else { /* r->in.level == DRSUAPI_DS_REPLICA_GET_INFO2 */
800 req2 = &req->in.req->req2;
801 if (req2->enumeration_context == 0xffffffff) {
802 /* no more data is available */
803 status = WERR_NO_MORE_ITEMS; /* on MS-DRSR it is ERROR_NO_MORE_ITEMS */
804 goto done;
805 }
806
807 base_index = req2->enumeration_context;
808 info_type = req2->info_type;
809 object_dn_str = req2->object_dn;
810 req_src_dsa_guid = req2->source_dsa_guid;
811 flags = req2->flags;
812 attribute_name = req2->attribute_name;
813 value_dn = req2->value_dn_str;
814 }
815
816 reply = req->out.info;
817 *req->out.info_type = info_type;
818
819 /* Based on the infoType requested, retrieve the corresponding
820 * information and construct the response message */
821 switch (info_type) {
822
823 case DRSUAPI_DS_REPLICA_INFO_NEIGHBORS:
824 status = kccdrs_replica_get_info_neighbours(mem_ctx, service, samdb, req,
825 reply, base_index, req_src_dsa_guid,
826 object_dn_str);
827 break;
828 case DRSUAPI_DS_REPLICA_INFO_REPSTO:
829 status = kccdrs_replica_get_info_repsto(mem_ctx, service, samdb, req,
830 reply, base_index, req_src_dsa_guid,
831 object_dn_str);
832 break;
833 case DRSUAPI_DS_REPLICA_INFO_CURSORS: /* On MS-DRSR it is DS_REPL_INFO_CURSORS_FOR_NC */
834 status = kccdrs_replica_get_info_cursors(mem_ctx, samdb, req, reply,
835 ldb_dn_new(mem_ctx, samdb, object_dn_str));
836 break;
837 case DRSUAPI_DS_REPLICA_INFO_CURSORS2: /* On MS-DRSR it is DS_REPL_INFO_CURSORS_2_FOR_NC */
838 status = kccdrs_replica_get_info_cursors2(mem_ctx, samdb, req, reply,
839 ldb_dn_new(mem_ctx, samdb, object_dn_str));
840 break;
841 case DRSUAPI_DS_REPLICA_INFO_PENDING_OPS:
842 status = kccdrs_replica_get_info_pending_ops(mem_ctx, samdb, req, reply,
843 ldb_dn_new(mem_ctx, samdb, object_dn_str));
844 break;
845 case DRSUAPI_DS_REPLICA_INFO_CURSORS3: /* On MS-DRSR it is DS_REPL_INFO_CURSORS_3_FOR_NC */
846 status = WERR_INVALID_LEVEL;
847 break;
848 case DRSUAPI_DS_REPLICA_INFO_UPTODATE_VECTOR_V1: /* On MS-DRSR it is DS_REPL_INFO_UPTODATE_VECTOR_V1 */
849 status = WERR_INVALID_LEVEL;
850 break;
851 case DRSUAPI_DS_REPLICA_INFO_OBJ_METADATA: /* On MS-DRSR it is DS_REPL_INFO_METADATA_FOR_OBJ */
852 status = WERR_INVALID_LEVEL;
853 break;
854 case DRSUAPI_DS_REPLICA_INFO_OBJ_METADATA2: /* On MS-DRSR it is DS_REPL_INFO_METADATA_FOR_OBJ */
855 status = kccdrs_replica_get_info_obj_metadata2(mem_ctx, samdb, req, reply,
856 ldb_dn_new(mem_ctx, samdb, object_dn_str), base_index);
857 break;
858 case DRSUAPI_DS_REPLICA_INFO_ATTRIBUTE_VALUE_METADATA: /* On MS-DRSR it is DS_REPL_INFO_METADATA_FOR_ATTR_VALUE */
859 status = WERR_INVALID_LEVEL;
860 break;
861 case DRSUAPI_DS_REPLICA_INFO_ATTRIBUTE_VALUE_METADATA2: /* On MS-DRSR it is DS_REPL_INFO_METADATA_2_FOR_ATTR_VALUE */
862 status = WERR_INVALID_LEVEL;
863 break;
864 case DRSUAPI_DS_REPLICA_INFO_KCC_DSA_CONNECT_FAILURES: /* On MS-DRSR it is DS_REPL_INFO_KCC_DSA_CONNECT_FAILURES */
865 status = WERR_INVALID_LEVEL;
866 break;
867 case DRSUAPI_DS_REPLICA_INFO_KCC_DSA_LINK_FAILURES: /* On MS-DRSR it is DS_REPL_INFO_KCC_LINK_FAILURES */
868 status = WERR_INVALID_LEVEL;
869 break;
870 case DRSUAPI_DS_REPLICA_INFO_CLIENT_CONTEXTS: /* On MS-DRSR it is DS_REPL_INFO_CLIENT_CONTEXTS */
871 status = WERR_INVALID_LEVEL;
872 break;
873 case DRSUAPI_DS_REPLICA_INFO_SERVER_OUTGOING_CALLS: /* On MS-DRSR it is DS_REPL_INFO_SERVER_OUTGOING_CALLS */
874 status = WERR_INVALID_LEVEL;
875 break;
876 default:
877 DEBUG(1,(__location__ ": Unsupported DsReplicaGetInfo info_type %u\n",
878 info_type));
879 status = WERR_INVALID_LEVEL;
880 break;
881 }
882
883 done:
884 /* put the status on the result field of the reply */
885 req->out.result = status;
886 NDR_PRINT_OUT_DEBUG(drsuapi_DsReplicaGetInfo, req);
887 return NT_STATUS_OK;
888 }
reg import