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-rw-r--r--source4/libnet/libnet_vampire.c161
1 files changed, 92 insertions, 69 deletions
diff --git a/source4/libnet/libnet_vampire.c b/source4/libnet/libnet_vampire.c
index adcb010005..d1b7267b6a 100644
--- a/source4/libnet/libnet_vampire.c
+++ b/source4/libnet/libnet_vampire.c
@@ -224,6 +224,10 @@ static NTSTATUS libnet_vampire_cb_apply_schema(struct libnet_vampire_cb_state *s
{
WERROR status;
const struct drsuapi_DsReplicaOIDMapping_Ctr *mapping_ctr;
+ uint32_t obj_to_convert_count;
+ const struct drsuapi_DsReplicaObjectListItemEx **obj_to_convert;
+ struct dsdb_schema *working_schema;
+ struct dsdb_schema *provision_schema;
uint32_t object_count;
struct drsuapi_DsReplicaObjectListItemEx *first_object;
const struct drsuapi_DsReplicaObjectListItemEx *cur;
@@ -237,7 +241,7 @@ static NTSTATUS libnet_vampire_cb_apply_schema(struct libnet_vampire_cb_state *s
struct ldb_message *msg;
struct ldb_message_element *prefixMap_el;
uint32_t i;
- int ret;
+ int ret, pass_no;
bool ok;
uint64_t seq_num;
@@ -288,11 +292,12 @@ static NTSTATUS libnet_vampire_cb_apply_schema(struct libnet_vampire_cb_state *s
schema_ldb = provision_get_schema(s, s->lp_ctx, &s->prefixmap_blob);
if (!schema_ldb) {
- DEBUG(0,("Failed to re-load from local provision using remote prefixMap. Will continue with local prefixMap\n"));
- s->provision_schema = dsdb_get_schema(s->ldb, s);
+ DEBUG(0,("Failed to re-load from local provision using remote prefixMap. "
+ "Will continue with local prefixMap\n"));
+ provision_schema = dsdb_get_schema(s->ldb, s);
} else {
- s->provision_schema = dsdb_get_schema(schema_ldb, s);
- ret = dsdb_reference_schema(s->ldb, s->provision_schema, false);
+ provision_schema = dsdb_get_schema(schema_ldb, s);
+ ret = dsdb_reference_schema(s->ldb, provision_schema, false);
if (ret != LDB_SUCCESS) {
DEBUG(0,("Failed to attach schema from local provision using remote prefixMap."));
return NT_STATUS_UNSUCCESSFUL;
@@ -300,90 +305,108 @@ static NTSTATUS libnet_vampire_cb_apply_schema(struct libnet_vampire_cb_state *s
talloc_free(schema_ldb);
}
- s->provision_schema->relax_OID_conversions = true;
+ /* create a list of objects yet to be converted */
+ obj_to_convert_count = object_count;
+ obj_to_convert = talloc_array(s, const struct drsuapi_DsReplicaObjectListItemEx *, object_count);
+ NT_STATUS_HAVE_NO_MEMORY(obj_to_convert);
+ for (i = 0, cur = first_object; cur; cur = cur->next_object, i++) {
+ SMB_ASSERT(i < object_count);
+ obj_to_convert[i] = cur;
+ }
- /* Now convert the schema elements, using the schema we loaded locally */
- for (i=0, cur = first_object; cur; cur = cur->next_object, i++) {
- struct dsdb_extended_replicated_object object;
+ /* resolve objects until all are resolved and in local schema */
+ pass_no = 1;
+ working_schema = provision_schema;
+ do {
TALLOC_CTX *tmp_ctx = talloc_new(s);
NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
- /* Convert the objects into LDB messages using the
- * provision schema, and either the provision or DRS
- * prefix map - it should not matter, as these are
- * just schema objects, so the critical parts. At
- * most we would mix up the mayContain etc for new
- * schema classes */
- status = dsdb_convert_object_ex(s->ldb, s->provision_schema,
- cur, c->gensec_skey,
- tmp_ctx, &object);
- if (!W_ERROR_IS_OK(status)) {
- DEBUG(1,("Warning: Failed to convert schema object %s into ldb msg\n", cur->object.identifier->dn));
- } else {
- /* Convert the schema from ldb_message format
- * (OIDs as OID strings) into schema, using
- * the remote prefixMap */
- status = dsdb_schema_set_el_from_ldb_msg(s->ldb, s->self_made_schema, object.msg);
+ ok = false;
+
+ for (i = 0; i < obj_to_convert_count; i++) {
+ struct dsdb_extended_replicated_object object;
+
+ cur = obj_to_convert[i];
+
+ /*
+ * Convert the objects into LDB messages using the
+ * schema we have so far. It's ok if we fail to convert
+ * an object. We should convert more objects on next pass.
+ */
+ status = dsdb_convert_object_ex(s->ldb, working_schema,
+ cur, c->gensec_skey,
+ tmp_ctx, &object);
if (!W_ERROR_IS_OK(status)) {
- DEBUG(1,("Warning: failed to convert object %s into a schema element: %s\n",
- ldb_dn_get_linearized(object.msg->dn),
- win_errstr(status)));
+ DEBUG(1,("Warning: Failed to convert schema object %s into ldb msg\n",
+ cur->object.identifier->dn));
+ } else {
+ /*
+ * Convert the schema from ldb_message format
+ * (OIDs as OID strings) into schema, using
+ * the remote prefixMap
+ */
+ status = dsdb_schema_set_el_from_ldb_msg(s->ldb,
+ s->self_made_schema,
+ object.msg);
+ if (!W_ERROR_IS_OK(status)) {
+ DEBUG(1,("Warning: failed to convert object %s into a schema element: %s\n",
+ ldb_dn_get_linearized(object.msg->dn),
+ win_errstr(status)));
+ }
+ /* remove cur from the list of objects to be converted */
+ obj_to_convert_count--;
+ memmove(&obj_to_convert[i], &obj_to_convert[i+1],
+ (obj_to_convert_count - i)*sizeof(obj_to_convert[0]));
+
+ /* don't skip this object */
+ i--;
+
+ /* raise flag we've converted at least one object */
+ ok = true;
}
}
talloc_free(tmp_ctx);
- }
- /* attach the schema we just brought over DRS to the ldb, so we can use it in dsdb_convert_object_ex below */
- ret = dsdb_set_schema(s->ldb, s->self_made_schema);
- if (ret != LDB_SUCCESS) {
- DEBUG(0,("Failed to attach 1st pass schema from DRS.\n"));
- return NT_STATUS_FOOBAR;
- }
+ DEBUG(1,("Pass %d: %d of %d objects left to be converted.\n",
+ pass_no, obj_to_convert_count, object_count));
+ pass_no++;
- /* Now convert the schema elements again, using the schema we loaded over DRS */
- for (i=0, cur = first_object; cur; cur = cur->next_object, i++) {
- struct dsdb_extended_replicated_object object;
- TALLOC_CTX *tmp_ctx = talloc_new(s);
- NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
+ /* check if we did anything in this pass */
+ if (!ok) {
+ DEBUG(0,("Can't continue Schema load: %d objects left to be converted\n",
+ obj_to_convert_count));
+ return NT_STATUS_INTERNAL_ERROR;
+ }
- /* Convert the objects into LDB messages using the
- * self_made_schema, and the DRS prefix map. We now
- * know the full schema int->OID->name mapping, so we
- * can get it right this time */
- status = dsdb_convert_object_ex(s->ldb, s->self_made_schema,
- cur, c->gensec_skey,
- tmp_ctx, &object);
- if (!W_ERROR_IS_OK(status)) {
- DEBUG(0,("ERROR: Failed to convert schema object %s into ldb msg\n", cur->object.identifier->dn));
- } else {
- /* Convert the schema from ldb_message format
- * (OIDs as OID strings) into schema, using
- * the remote prefixMap, now that we know
- * names for all the schema elements (from the
- * first conversion) */
- status = dsdb_schema_set_el_from_ldb_msg(s->ldb, s->self_corrected_schema, object.msg);
- if (!W_ERROR_IS_OK(status)) {
- DEBUG(0,("ERROR: failed to convert object %s into a schema element: %s\n",
- ldb_dn_get_linearized(object.msg->dn),
- win_errstr(status)));
+ if (obj_to_convert_count) {
+ /* prepare for another cycle */
+ working_schema = s->self_made_schema;
+
+ ret = dsdb_setup_sorted_accessors(s->ldb, working_schema);
+ if (LDB_SUCCESS != ret) {
+ DEBUG(0,("Failed to create schema-cache indexes!\n"));
+ return NT_STATUS_INTERNAL_ERROR;
}
}
- talloc_free(tmp_ctx);
- }
+ } while (obj_to_convert_count);
- /* We don't want to use the s->self_made_schema any more */
- s->self_made_schema = NULL;
+ /* free temp objects for 1st conversion phase */
+ talloc_unlink(s, provision_schema);
+ TALLOC_FREE(obj_to_convert);
- /* attach the schema we just brought over DRS to the ldb */
- ret = dsdb_set_schema(s->ldb, s->self_corrected_schema);
+ /*
+ * attach the schema we just brought over DRS to the ldb,
+ * so we can use it in dsdb_convert_object_ex below
+ */
+ ret = dsdb_set_schema(s->ldb, s->self_made_schema);
if (ret != LDB_SUCCESS) {
- DEBUG(0,("Failed to attach 2nd pass (corrected) schema from DRS.\n"));
+ DEBUG(0,("Failed to attach working schema from DRS.\n"));
return NT_STATUS_FOOBAR;
}
/* we don't want to access the self made schema anymore */
- s->schema = s->self_corrected_schema;
- s->self_corrected_schema = NULL;
+ s->schema = s->self_made_schema;
+ s->self_made_schema = NULL;
/* Now convert the schema elements again, using the schema we finalised, ready to actually import */
status = dsdb_extended_replicated_objects_convert(s->ldb,