2 Unix SMB/CIFS mplementation.
3 DSDB replication service helper function for outgoing traffic
5 Copyright (C) Stefan Metzmacher 2007
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.
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.
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/>.
23 #include "dsdb/samdb/samdb.h"
24 #include "auth/auth.h"
25 #include "smbd/service.h"
26 #include "lib/events/events.h"
27 #include "lib/messaging/irpc.h"
28 #include "dsdb/repl/drepl_service.h"
29 #include "lib/ldb/include/ldb_errors.h"
30 #include "lib/util/dlinklist.h"
31 #include "librpc/gen_ndr/ndr_misc.h"
32 #include "librpc/gen_ndr/ndr_drsuapi.h"
33 #include "librpc/gen_ndr/ndr_drsblobs.h"
34 #include "libcli/composite/composite.h"
35 #include "auth/gensec/gensec.h"
37 struct dreplsrv_out_drsuapi_state {
38 struct composite_context *creq;
40 struct dreplsrv_out_connection *conn;
42 struct dreplsrv_drsuapi_connection *drsuapi;
44 struct drsuapi_DsBindInfoCtr bind_info_ctr;
45 struct drsuapi_DsBind bind_r;
48 static void dreplsrv_out_drsuapi_connect_recv(struct composite_context *creq);
50 static struct composite_context *dreplsrv_out_drsuapi_send(struct dreplsrv_out_connection *conn)
52 struct composite_context *c;
53 struct composite_context *creq;
54 struct dreplsrv_out_drsuapi_state *st;
56 c = composite_create(conn, conn->service->task->event_ctx);
57 if (c == NULL) return NULL;
59 st = talloc_zero(c, struct dreplsrv_out_drsuapi_state);
60 if (composite_nomem(st, c)) return c;
66 st->drsuapi = conn->drsuapi;
68 if (st->drsuapi && !st->drsuapi->pipe->conn->dead) {
71 } else if (st->drsuapi && st->drsuapi->pipe->conn->dead) {
72 talloc_free(st->drsuapi);
76 st->drsuapi = talloc_zero(st, struct dreplsrv_drsuapi_connection);
77 if (composite_nomem(st->drsuapi, c)) return c;
79 creq = dcerpc_pipe_connect_b_send(st, conn->binding, &ndr_table_drsuapi,
80 conn->service->system_session_info->credentials,
81 c->event_ctx, conn->service->task->lp_ctx);
82 composite_continue(c, creq, dreplsrv_out_drsuapi_connect_recv, st);
87 static void dreplsrv_out_drsuapi_bind_send(struct dreplsrv_out_drsuapi_state *st);
89 static void dreplsrv_out_drsuapi_connect_recv(struct composite_context *creq)
91 struct dreplsrv_out_drsuapi_state *st = talloc_get_type(creq->async.private_data,
92 struct dreplsrv_out_drsuapi_state);
93 struct composite_context *c = st->creq;
95 c->status = dcerpc_pipe_connect_b_recv(creq, st->drsuapi, &st->drsuapi->pipe);
96 if (!composite_is_ok(c)) return;
98 c->status = gensec_session_key(st->drsuapi->pipe->conn->security_state.generic_state,
99 &st->drsuapi->gensec_skey);
100 if (!composite_is_ok(c)) return;
102 dreplsrv_out_drsuapi_bind_send(st);
105 static void dreplsrv_out_drsuapi_bind_recv(struct rpc_request *req);
107 static void dreplsrv_out_drsuapi_bind_send(struct dreplsrv_out_drsuapi_state *st)
109 struct composite_context *c = st->creq;
110 struct rpc_request *req;
112 st->bind_info_ctr.length = 28;
113 st->bind_info_ctr.info.info28 = st->conn->service->bind_info28;
115 st->bind_r.in.bind_guid = &st->conn->service->ntds_guid;
116 st->bind_r.in.bind_info = &st->bind_info_ctr;
117 st->bind_r.out.bind_handle = &st->drsuapi->bind_handle;
119 req = dcerpc_drsuapi_DsBind_send(st->drsuapi->pipe, st, &st->bind_r);
120 composite_continue_rpc(c, req, dreplsrv_out_drsuapi_bind_recv, st);
123 static void dreplsrv_out_drsuapi_bind_recv(struct rpc_request *req)
125 struct dreplsrv_out_drsuapi_state *st = talloc_get_type(req->async.private_data,
126 struct dreplsrv_out_drsuapi_state);
127 struct composite_context *c = st->creq;
129 c->status = dcerpc_ndr_request_recv(req);
130 if (!composite_is_ok(c)) return;
132 if (!W_ERROR_IS_OK(st->bind_r.out.result)) {
133 composite_error(c, werror_to_ntstatus(st->bind_r.out.result));
137 ZERO_STRUCT(st->drsuapi->remote_info28);
138 if (st->bind_r.out.bind_info) {
139 switch (st->bind_r.out.bind_info->length) {
141 struct drsuapi_DsBindInfo24 *info24;
142 info24 = &st->bind_r.out.bind_info->info.info24;
143 st->drsuapi->remote_info28.supported_extensions = info24->supported_extensions;
144 st->drsuapi->remote_info28.site_guid = info24->site_guid;
145 st->drsuapi->remote_info28.pid = info24->pid;
146 st->drsuapi->remote_info28.repl_epoch = 0;
150 st->drsuapi->remote_info28 = st->bind_r.out.bind_info->info.info28;
158 static NTSTATUS dreplsrv_out_drsuapi_recv(struct composite_context *c)
161 struct dreplsrv_out_drsuapi_state *st = talloc_get_type(c->private_data,
162 struct dreplsrv_out_drsuapi_state);
164 status = composite_wait(c);
166 if (NT_STATUS_IS_OK(status)) {
167 st->conn->drsuapi = talloc_steal(st->conn, st->drsuapi);
174 struct dreplsrv_op_pull_source_state {
175 struct composite_context *creq;
177 struct dreplsrv_out_operation *op;
179 struct dreplsrv_drsuapi_connection *drsuapi;
184 struct drsuapi_DsGetNCChangesCtr1 *ctr1;
185 struct drsuapi_DsGetNCChangesCtr6 *ctr6;
188 static void dreplsrv_op_pull_source_connect_recv(struct composite_context *creq);
190 struct composite_context *dreplsrv_op_pull_source_send(struct dreplsrv_out_operation *op)
192 struct composite_context *c;
193 struct composite_context *creq;
194 struct dreplsrv_op_pull_source_state *st;
196 c = composite_create(op, op->service->task->event_ctx);
197 if (c == NULL) return NULL;
199 st = talloc_zero(c, struct dreplsrv_op_pull_source_state);
200 if (composite_nomem(st, c)) return c;
205 creq = dreplsrv_out_drsuapi_send(op->source_dsa->conn);
206 composite_continue(c, creq, dreplsrv_op_pull_source_connect_recv, st);
211 static void dreplsrv_op_pull_source_get_changes_send(struct dreplsrv_op_pull_source_state *st);
213 static void dreplsrv_op_pull_source_connect_recv(struct composite_context *creq)
215 struct dreplsrv_op_pull_source_state *st = talloc_get_type(creq->async.private_data,
216 struct dreplsrv_op_pull_source_state);
217 struct composite_context *c = st->creq;
219 c->status = dreplsrv_out_drsuapi_recv(creq);
220 if (!composite_is_ok(c)) return;
222 dreplsrv_op_pull_source_get_changes_send(st);
225 static void dreplsrv_op_pull_source_get_changes_recv(struct rpc_request *req);
227 static void dreplsrv_op_pull_source_get_changes_send(struct dreplsrv_op_pull_source_state *st)
229 struct composite_context *c = st->creq;
230 struct repsFromTo1 *rf1 = st->op->source_dsa->repsFrom1;
231 struct dreplsrv_service *service = st->op->service;
232 struct dreplsrv_partition *partition = st->op->source_dsa->partition;
233 struct dreplsrv_drsuapi_connection *drsuapi = st->op->source_dsa->conn->drsuapi;
234 struct rpc_request *req;
235 struct drsuapi_DsGetNCChanges *r;
237 r = talloc(st, struct drsuapi_DsGetNCChanges);
238 if (composite_nomem(r, c)) return;
240 r->in.level = talloc(r, int32_t);
241 if (composite_nomem(r->in.level, c)) return;
242 r->out.level = talloc(r, int32_t);
243 if (composite_nomem(r->out.level, c)) return;
245 r->in.bind_handle = &drsuapi->bind_handle;
246 if (drsuapi->remote_info28.supported_extensions & DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8) {
248 r->in.req.req8.destination_dsa_guid = service->ntds_guid;
249 r->in.req.req8.source_dsa_invocation_id = rf1->source_dsa_invocation_id;
250 r->in.req.req8.naming_context = &partition->nc;
251 r->in.req.req8.highwatermark = rf1->highwatermark;
252 r->in.req.req8.uptodateness_vector = NULL;/*&partition->uptodatevector_ex;*/
253 r->in.req.req8.replica_flags = rf1->replica_flags;
254 r->in.req.req8.max_object_count = 133;
255 r->in.req.req8.max_ndr_size = 1336811;
256 r->in.req.req8.extended_op = DRSUAPI_EXOP_NONE;
257 r->in.req.req8.fsmo_info = 0;
258 r->in.req.req8.partial_attribute_set = NULL;
259 r->in.req.req8.partial_attribute_set_ex = NULL;
260 r->in.req.req8.mapping_ctr.num_mappings = 0;
261 r->in.req.req8.mapping_ctr.mappings = NULL;
264 r->in.req.req5.destination_dsa_guid = service->ntds_guid;
265 r->in.req.req5.source_dsa_invocation_id = rf1->source_dsa_invocation_id;
266 r->in.req.req5.naming_context = &partition->nc;
267 r->in.req.req5.highwatermark = rf1->highwatermark;
268 r->in.req.req5.uptodateness_vector = NULL;/*&partition->uptodatevector_ex;*/
269 r->in.req.req5.replica_flags = rf1->replica_flags;
270 r->in.req.req5.max_object_count = 133;
271 r->in.req.req5.max_ndr_size = 1336770;
272 r->in.req.req5.extended_op = DRSUAPI_EXOP_NONE;
273 r->in.req.req5.fsmo_info = 0;
276 req = dcerpc_drsuapi_DsGetNCChanges_send(drsuapi->pipe, r, r);
277 composite_continue_rpc(c, req, dreplsrv_op_pull_source_get_changes_recv, st);
280 static void dreplsrv_op_pull_source_apply_changes_send(struct dreplsrv_op_pull_source_state *st,
281 struct drsuapi_DsGetNCChanges *r,
283 struct drsuapi_DsGetNCChangesCtr1 *ctr1,
284 struct drsuapi_DsGetNCChangesCtr6 *ctr6);
286 static void dreplsrv_op_pull_source_get_changes_recv(struct rpc_request *req)
288 struct dreplsrv_op_pull_source_state *st = talloc_get_type(req->async.private_data,
289 struct dreplsrv_op_pull_source_state);
290 struct composite_context *c = st->creq;
291 struct drsuapi_DsGetNCChanges *r = talloc_get_type(req->ndr.struct_ptr,
292 struct drsuapi_DsGetNCChanges);
293 uint32_t ctr_level = 0;
294 struct drsuapi_DsGetNCChangesCtr1 *ctr1 = NULL;
295 struct drsuapi_DsGetNCChangesCtr6 *ctr6 = NULL;
297 c->status = dcerpc_ndr_request_recv(req);
298 if (!composite_is_ok(c)) return;
300 if (!W_ERROR_IS_OK(r->out.result)) {
301 composite_error(c, werror_to_ntstatus(r->out.result));
305 if (*r->out.level == 1) {
307 ctr1 = &r->out.ctr.ctr1;
308 } else if (*r->out.level == 2) {
310 ctr1 = r->out.ctr.ctr2.ctr.mszip1.ctr1;
311 } else if (*r->out.level == 6) {
313 ctr6 = &r->out.ctr.ctr6;
314 } else if (*r->out.level == 7 &&
315 r->out.ctr.ctr7.level == 6 &&
316 r->out.ctr.ctr7.type == DRSUAPI_COMPRESSION_TYPE_MSZIP) {
318 ctr6 = r->out.ctr.ctr7.ctr.mszip6.ctr6;
319 } else if (*r->out.level == 7 &&
320 r->out.ctr.ctr7.level == 6 &&
321 r->out.ctr.ctr7.type == DRSUAPI_COMPRESSION_TYPE_XPRESS) {
323 ctr6 = r->out.ctr.ctr7.ctr.xpress6.ctr6;
325 composite_error(c, werror_to_ntstatus(WERR_BAD_NET_RESP));
329 if (ctr_level == 6) {
330 if (!W_ERROR_IS_OK(ctr6->drs_error)) {
331 composite_error(c, werror_to_ntstatus(ctr6->drs_error));
336 dreplsrv_op_pull_source_apply_changes_send(st, r, ctr_level, ctr1, ctr6);
339 static void dreplsrv_op_pull_source_apply_changes_send(struct dreplsrv_op_pull_source_state *st,
340 struct drsuapi_DsGetNCChanges *r,
342 struct drsuapi_DsGetNCChangesCtr1 *ctr1,
343 struct drsuapi_DsGetNCChangesCtr6 *ctr6)
345 struct composite_context *c = st->creq;
346 struct repsFromTo1 rf1 = *st->op->source_dsa->repsFrom1;
347 struct dreplsrv_service *service = st->op->service;
348 struct dreplsrv_partition *partition = st->op->source_dsa->partition;
349 struct dreplsrv_drsuapi_connection *drsuapi = st->op->source_dsa->conn->drsuapi;
350 const struct drsuapi_DsReplicaOIDMapping_Ctr *mapping_ctr;
351 uint32_t object_count;
352 struct drsuapi_DsReplicaObjectListItemEx *first_object;
353 uint32_t linked_attributes_count;
354 struct drsuapi_DsReplicaLinkedAttribute *linked_attributes;
355 const struct drsuapi_DsReplicaCursor2CtrEx *uptodateness_vector;
356 bool more_data = false;
361 mapping_ctr = &ctr1->mapping_ctr;
362 object_count = ctr1->object_count;
363 first_object = ctr1->first_object;
364 linked_attributes_count = 0;
365 linked_attributes = NULL;
366 rf1.highwatermark = ctr1->new_highwatermark;
367 uptodateness_vector = NULL; /* TODO: map it */
368 more_data = ctr1->more_data;
371 mapping_ctr = &ctr6->mapping_ctr;
372 object_count = ctr6->object_count;
373 first_object = ctr6->first_object;
374 linked_attributes_count = ctr6->linked_attributes_count;
375 linked_attributes = ctr6->linked_attributes;
376 rf1.highwatermark = ctr6->new_highwatermark;
377 uptodateness_vector = ctr6->uptodateness_vector;
378 more_data = ctr6->more_data;
381 composite_error(c, werror_to_ntstatus(WERR_BAD_NET_RESP));
385 status = dsdb_extended_replicated_objects_commit(service->samdb,
390 linked_attributes_count,
394 &drsuapi->gensec_skey,
396 if (!W_ERROR_IS_OK(status)) {
397 DEBUG(0,("Failed to commit objects: %s\n", win_errstr(status)));
398 composite_error(c, werror_to_ntstatus(status));
402 /* if it applied fine, we need to update the highwatermark */
403 *st->op->source_dsa->repsFrom1 = rf1;
406 * TODO: update our uptodatevector!
410 dreplsrv_op_pull_source_get_changes_send(st);
417 WERROR dreplsrv_op_pull_source_recv(struct composite_context *c)
421 status = composite_wait(c);
424 return ntstatus_to_werror(status);