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-rw-r--r--source4/rpc_server/drsuapi/getncchanges.c215
1 files changed, 215 insertions, 0 deletions
diff --git a/source4/rpc_server/drsuapi/getncchanges.c b/source4/rpc_server/drsuapi/getncchanges.c
new file mode 100644
index 0000000000..25221d41b5
--- /dev/null
+++ b/source4/rpc_server/drsuapi/getncchanges.c
@@ -0,0 +1,215 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ implement the DRSUpdateRefs call
+
+ Copyright (C) Anatoliy Atanasov 2009
+ Copyright (C) Andrew Tridgell 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "librpc/gen_ndr/ndr_drsuapi.h"
+#include "rpc_server/dcerpc_server.h"
+#include "rpc_server/common/common.h"
+#include "dsdb/samdb/samdb.h"
+#include "lib/ldb/include/ldb_errors.h"
+#include "param/param.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
+#include "auth/auth.h"
+#include "rpc_server/drsuapi/dcesrv_drsuapi.h"
+
+/*
+ drsuapi_DsGetNCChanges
+*/
+WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsGetNCChanges *r)
+{
+ struct ldb_result *site_res;
+ struct drsuapi_DsReplicaObjectIdentifier *ncRoot;
+ struct drsuapi_bind_state *b_state;
+ struct ldb_dn *ncRoot_dn;
+ int ret;
+ int i;
+ int j;
+ int uSN;
+ struct dsdb_schema *schema;
+ struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
+ time_t t = time(NULL);
+ NTTIME now;
+ struct drsuapi_DsReplicaObjectListItemEx *currentObject;
+ struct dom_sid *zero_sid;
+ struct ldb_dn *obj_dn;
+ enum ndr_err_code ndr_err;
+ const struct ldb_val *md_value;
+ struct replPropertyMetaDataBlob md;
+ ZERO_STRUCT(md);
+ md.version = 1;
+ b_state = talloc_zero(mem_ctx, struct drsuapi_bind_state);
+ W_ERROR_HAVE_NO_MEMORY(b_state);
+ zero_sid = talloc_zero(mem_ctx, struct dom_sid);
+ /*
+ * connect to the samdb
+ */
+ b_state->sam_ctx = samdb_connect(b_state, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx, dce_call->conn->auth_state.session_info);
+ if (!b_state->sam_ctx) {
+ return WERR_FOOBAR;
+ }
+
+ /* Check request revision. */
+ if (r->in.level != 8) {
+ return WERR_REVISION_MISMATCH;
+ }
+
+ /* Perform access checks. */
+ if (r->in.req->req8.naming_context == NULL) {
+ return WERR_DS_DRA_INVALID_PARAMETER;
+ }
+
+ ncRoot = r->in.req->req8.naming_context;
+ if (ncRoot == NULL) {
+ return WERR_DS_DRA_BAD_NC;
+ }
+
+ DEBUG(4,("DsGetNSChanges with uSHChanged >= %llu\n",
+ (unsigned long long)r->in.req->req8.highwatermark.highest_usn));
+
+ /* Construct response. */
+ ncRoot_dn = ldb_dn_new(mem_ctx, b_state->sam_ctx, ncRoot->dn);
+ ret = drsuapi_search_with_extended_dn(b_state->sam_ctx, mem_ctx, &site_res,
+ ncRoot_dn, LDB_SCOPE_SUBTREE, NULL,
+ "(&(uSNChanged>=%llu)(objectClass=*))",
+ (unsigned long long)r->in.req->req8.highwatermark.highest_usn);
+ if (ret != LDB_SUCCESS) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ *r->out.level_out = 6;
+ r->out.ctr->ctr6.naming_context = talloc(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
+ *r->out.ctr->ctr6.naming_context = *ncRoot;
+ /* TODO: linked attributes*/
+ r->out.ctr->ctr6.linked_attributes_count = 0;
+ r->out.ctr->ctr6.linked_attributes = NULL;
+
+ r->out.ctr->ctr6.object_count = 0;
+ r->out.ctr->ctr6.more_data = false;
+ r->out.ctr->ctr6.uptodateness_vector = NULL;
+
+ /* Prefix mapping */
+ schema = dsdb_get_schema(b_state->sam_ctx);
+ if (!schema) {
+ DEBUG(0,("No schema in b_state->sam_ctx"));
+ }
+
+ dsdb_get_oid_mappings_drsuapi(schema, true, mem_ctx, &ctr);
+ r->out.ctr->ctr6.mapping_ctr = *ctr;
+
+ r->out.ctr->ctr6.source_dsa_guid = *(samdb_ntds_objectGUID(b_state->sam_ctx));
+ r->out.ctr->ctr6.source_dsa_invocation_id = *(samdb_ntds_invocation_id(b_state->sam_ctx));
+
+ r->out.ctr->ctr6.old_highwatermark = r->in.req->req8.highwatermark;
+ r->out.ctr->ctr6.new_highwatermark = r->in.req->req8.highwatermark;
+
+ r->out.ctr->ctr6.first_object = talloc(mem_ctx, struct drsuapi_DsReplicaObjectListItemEx);
+ currentObject = r->out.ctr->ctr6.first_object;
+
+ for(i=0; i<site_res->count; i++) {
+ uSN = ldb_msg_find_attr_as_int(site_res->msgs[i],"uSNChanged", -1);
+ r->out.ctr->ctr6.object_count++;
+ if (uSN > r->out.ctr->ctr6.new_highwatermark.highest_usn) {
+ r->out.ctr->ctr6.new_highwatermark.highest_usn = uSN;
+ }
+
+ if (ldb_dn_compare(ncRoot_dn, site_res->msgs[i]->dn) == 0) {
+ currentObject->is_nc_prefix = true;
+ currentObject->parent_object_guid = NULL;
+ } else {
+ currentObject->is_nc_prefix = false;
+ currentObject->parent_object_guid = talloc(mem_ctx, struct GUID);
+ *currentObject->parent_object_guid = samdb_result_guid(site_res->msgs[i], "parentGUID");
+ }
+ currentObject->next_object = NULL;
+
+ currentObject->meta_data_ctr = talloc(mem_ctx, struct drsuapi_DsReplicaMetaDataCtr);
+ md_value = ldb_msg_find_ldb_val(site_res->msgs[i], "replPropertyMetaData");
+ if (md_value) {
+ ndr_err = ndr_pull_struct_blob(md_value, mem_ctx,
+ lp_iconv_convenience(ldb_get_opaque(b_state->sam_ctx, "loadparm")), &md,
+ (ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ if (md.version != 1) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ currentObject->meta_data_ctr->count = md.ctr.ctr1.count;
+ currentObject->meta_data_ctr->meta_data = talloc_array(mem_ctx, struct drsuapi_DsReplicaMetaData, md.ctr.ctr1.count);
+ for (j=0; j<md.ctr.ctr1.count; j++) {
+ currentObject->meta_data_ctr->meta_data[j].originating_change_time = md.ctr.ctr1.array[j].originating_change_time;
+ currentObject->meta_data_ctr->meta_data[j].version = md.ctr.ctr1.array[j].version;
+ currentObject->meta_data_ctr->meta_data[j].originating_invocation_id = md.ctr.ctr1.array[j].originating_invocation_id;
+ currentObject->meta_data_ctr->meta_data[j].originating_usn = md.ctr.ctr1.array[j].originating_usn;
+ }
+ } else {
+ currentObject->meta_data_ctr->meta_data = talloc(mem_ctx, struct drsuapi_DsReplicaMetaData);
+ currentObject->meta_data_ctr->count = 0;
+ }
+ currentObject->object.identifier = talloc(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
+ obj_dn = ldb_msg_find_attr_as_dn(b_state->sam_ctx, mem_ctx, site_res->msgs[i], "distinguishedName");
+ currentObject->object.identifier->dn = ldb_dn_get_linearized(obj_dn);
+ currentObject->object.identifier->guid = GUID_zero();
+ currentObject->object.identifier->sid = *zero_sid;
+
+ currentObject->object.attribute_ctr.num_attributes = site_res->msgs[i]->num_elements;
+ /* Exclude non-replicate attributes from the responce.*/
+ for (j=0; j<site_res->msgs[i]->num_elements; j++) {
+ const struct dsdb_attribute *sa;
+ sa = dsdb_attribute_by_lDAPDisplayName(schema, site_res->msgs[i]->elements[j].name);
+ if (sa && sa->systemFlags & SYSTEM_FLAG_CR_NTDS_NC) {
+ ldb_msg_remove_attr(site_res->msgs[i], site_res->msgs[i]->elements[j].name);
+ currentObject->object.attribute_ctr.num_attributes--;
+ }
+ }
+ currentObject->object.attribute_ctr.attributes = talloc_array(mem_ctx, struct drsuapi_DsReplicaAttribute,
+ currentObject->object.attribute_ctr.num_attributes);
+ for (j=0; j<currentObject->object.attribute_ctr.num_attributes; j++) {
+ dsdb_attribute_ldb_to_drsuapi(b_state->sam_ctx, schema,&site_res->msgs[i]->elements[j], mem_ctx,
+ &currentObject->object.attribute_ctr.attributes[j]);
+ }
+
+ if (i == (site_res->count-1)) {
+ break;
+ }
+ currentObject->next_object = talloc(mem_ctx, struct drsuapi_DsReplicaObjectListItemEx);
+ currentObject = currentObject->next_object;
+ }
+
+ r->out.ctr->ctr6.uptodateness_vector = talloc(mem_ctx, struct drsuapi_DsReplicaCursor2CtrEx);
+
+ r->out.ctr->ctr6.uptodateness_vector->version = 2;
+ r->out.ctr->ctr6.uptodateness_vector->count = 1;
+ r->out.ctr->ctr6.uptodateness_vector->reserved1 = 0;
+ r->out.ctr->ctr6.uptodateness_vector->reserved2 = 0;
+ r->out.ctr->ctr6.uptodateness_vector->cursors = talloc(mem_ctx, struct drsuapi_DsReplicaCursor2);
+
+ r->out.ctr->ctr6.uptodateness_vector->cursors[0].source_dsa_invocation_id = *(samdb_ntds_invocation_id(b_state->sam_ctx));
+ r->out.ctr->ctr6.uptodateness_vector->cursors[0].highest_usn = r->out.ctr->ctr6.new_highwatermark.highest_usn;
+ unix_to_nt_time(&now, t);
+ r->out.ctr->ctr6.uptodateness_vector->cursors[0].last_sync_success = now;
+
+ return WERR_OK;
+}