Unix SMB/CIFS mplementation.
Helper functions for applying replicated objects
- Copyright (C) Stefan Metzmacher 2007
+ Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "dsdb/samdb/samdb.h"
#include "lib/ldb/include/ldb_errors.h"
-#include "lib/util/dlinklist.h"
+#include "../lib/util/dlinklist.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
-
-static WERROR dsdb_convert_object(struct ldb_context *ldb,
- const struct dsdb_schema *schema,
- struct dsdb_extended_replicated_objects *ctr,
- const struct drsuapi_DsReplicaObjectListItemEx *in,
- TALLOC_CTX *mem_ctx,
- struct dsdb_extended_replicated_object *out)
+#include "../lib/crypto/crypto.h"
+#include "../libcli/drsuapi/drsuapi.h"
+#include "libcli/auth/libcli_auth.h"
+#include "param/param.h"
+
+WERROR dsdb_convert_object_ex(struct ldb_context *ldb,
+ const struct dsdb_schema *schema,
+ const struct drsuapi_DsReplicaObjectListItemEx *in,
+ const DATA_BLOB *gensec_skey,
+ TALLOC_CTX *mem_ctx,
+ struct dsdb_extended_replicated_object *out)
{
NTSTATUS nt_status;
WERROR status;
NTTIME whenChanged = 0;
time_t whenChanged_t;
const char *whenChanged_s;
- const char *rdn_name;
- const struct ldb_val *rdn_value;
- const struct dsdb_attribute *rdn_attr;
+ const char *rdn_name = NULL;
+ const struct ldb_val *rdn_value = NULL;
+ const struct dsdb_attribute *rdn_attr = NULL;
uint32_t rdn_attid;
- struct drsuapi_DsReplicaAttribute *name_a;
- struct drsuapi_DsReplicaMetaData *name_d;
- struct replPropertyMetaData1 *rdn_m;
+ struct drsuapi_DsReplicaAttribute *name_a = NULL;
+ struct drsuapi_DsReplicaMetaData *name_d = NULL;
+ struct replPropertyMetaData1 *rdn_m = NULL;
+ struct dom_sid *sid = NULL;
+ uint32_t rid = 0;
int ret;
if (!in->object.identifier) {
return WERR_FOOBAR;
}
+ if (in->object.attribute_ctr.num_attributes != 0 && !in->meta_data_ctr) {
+ return WERR_FOOBAR;
+ }
+
+ if (in->object.attribute_ctr.num_attributes != in->meta_data_ctr->count) {
+ return WERR_FOOBAR;
+ }
+
+ sid = &in->object.identifier->sid;
+ if (sid->num_auths > 0) {
+ rid = sid->sub_auths[sid->num_auths - 1];
+ }
+
msg = ldb_msg_new(mem_ctx);
W_ERROR_HAVE_NO_MEMORY(msg);
msg->num_elements);
W_ERROR_HAVE_NO_MEMORY(msg->elements);
- for (i=0; i < msg->num_elements; i++) {
- status = dsdb_attribute_drsuapi_to_ldb(schema,
- &in->object.attribute_ctr.attributes[i],
- msg->elements, &msg->elements[i]);
- W_ERROR_NOT_OK_RETURN(status);
- }
-
- if (in->object.attribute_ctr.num_attributes != 0 && !in->meta_data_ctr) {
- return WERR_FOOBAR;
- }
-
- if (in->object.attribute_ctr.num_attributes != in->meta_data_ctr->count) {
- return WERR_FOOBAR;
- }
-
md = talloc(mem_ctx, struct replPropertyMetaDataBlob);
W_ERROR_HAVE_NO_MEMORY(md);
struct drsuapi_DsReplicaAttribute *a;
struct drsuapi_DsReplicaMetaData *d;
struct replPropertyMetaData1 *m;
+ struct ldb_message_element *e;
+ uint32_t j;
a = &in->object.attribute_ctr.attributes[i];
d = &in->meta_data_ctr->meta_data[i];
m = &md->ctr.ctr1.array[i];
+ e = &msg->elements[i];
+
+ for (j=0; j<a->value_ctr.num_values; j++) {
+ status = drsuapi_decrypt_attribute(a->value_ctr.values[j].blob, gensec_skey, rid, a);
+ W_ERROR_NOT_OK_RETURN(status);
+ }
+
+ status = dsdb_attribute_drsuapi_to_ldb(ldb, schema, a, msg->elements, e);
+ W_ERROR_NOT_OK_RETURN(status);
m->attid = a->attid;
m->version = d->version;
- m->orginating_time = d->orginating_time;
- m->orginating_invocation_id = d->orginating_invocation_id;
- m->orginating_usn = d->orginating_usn;
+ m->originating_change_time = d->originating_change_time;
+ m->originating_invocation_id = d->originating_invocation_id;
+ m->originating_usn = d->originating_usn;
m->local_usn = 0;
- if (d->orginating_time > whenChanged) {
- whenChanged = d->orginating_time;
+ if (d->originating_change_time > whenChanged) {
+ whenChanged = d->originating_change_time;
}
if (a->attid == DRSUAPI_ATTRIBUTE_name) {
}
}
- if (!name_d) {
- return WERR_FOOBAR;
- }
+ if (rdn_m) {
+ struct ldb_message_element *el;
+ el = ldb_msg_find_element(msg, rdn_attr->lDAPDisplayName);
+ if (!el) {
+ ret = ldb_msg_add_value(msg, rdn_attr->lDAPDisplayName, rdn_value, NULL);
+ if (ret != LDB_SUCCESS) {
+ return WERR_FOOBAR;
+ }
+ } else {
+ if (el->num_values != 1) {
+ DEBUG(0,(__location__ ": Unexpected num_values=%u\n",
+ el->num_values));
+ return WERR_FOOBAR;
+ }
+ if (!ldb_val_equal_exact(&el->values[0], rdn_value)) {
+ DEBUG(0,(__location__ ": RDN value changed? '%*.*s' '%*.*s'\n",
+ (int)el->values[0].length, (int)el->values[0].length, el->values[0].data,
+ (int)rdn_value->length, (int)rdn_value->length, rdn_value->data));
+ return WERR_FOOBAR;
+ }
+ }
- ret = ldb_msg_add_value(msg, rdn_attr->lDAPDisplayName, rdn_value, NULL);
- if (ret != LDB_SUCCESS) {
- return WERR_FOOBAR;
- }
+ rdn_m->attid = rdn_attid;
+ rdn_m->version = name_d->version;
+ rdn_m->originating_change_time = name_d->originating_change_time;
+ rdn_m->originating_invocation_id = name_d->originating_invocation_id;
+ rdn_m->originating_usn = name_d->originating_usn;
+ rdn_m->local_usn = 0;
+ md->ctr.ctr1.count++;
- nt_status = ndr_push_struct_blob(&guid_value, msg, &in->object.identifier->guid,
- (ndr_push_flags_fn_t)ndr_push_GUID);
- if (!NT_STATUS_IS_OK(nt_status)) {
- return ntstatus_to_werror(nt_status);
- }
- ret = ldb_msg_add_value(msg, "objectGUID", &guid_value, NULL);
- if (ret != LDB_SUCCESS) {
- return WERR_FOOBAR;
}
whenChanged_t = nt_time_to_unix(whenChanged);
whenChanged_s = ldb_timestring(msg, whenChanged_t);
W_ERROR_HAVE_NO_MEMORY(whenChanged_s);
- ret = ldb_msg_add_string(msg, "whenChanged", whenChanged_s);
- if (ret != LDB_SUCCESS) {
- return WERR_FOOBAR;
- }
- rdn_m->attid = rdn_attid;
- rdn_m->version = name_d->version;
- rdn_m->orginating_time = name_d->orginating_time;
- rdn_m->orginating_invocation_id = name_d->orginating_invocation_id;
- rdn_m->orginating_usn = name_d->orginating_usn;
- rdn_m->local_usn = 0;
- md->ctr.ctr1.count++;
+ nt_status = GUID_to_ndr_blob(&in->object.identifier->guid, msg, &guid_value);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return ntstatus_to_werror(nt_status);
+ }
- out->msg = msg;
- out->guid_value = guid_value;
- out->meta_data = md;
+ out->msg = msg;
+ out->guid_value = guid_value;
+ out->when_changed = whenChanged_s;
+ out->meta_data = md;
return WERR_OK;
}
-WERROR dsdb_extended_replicated_objects_commit(struct ldb_context *ldb,
- const char *partition_dn,
- const struct dsdb_schema *schema,
- const struct drsuapi_DsReplicaOIDMapping_Ctr *mapping_ctr,
- uint32_t object_count,
- const struct drsuapi_DsReplicaObjectListItemEx *first_object,
- uint32_t linked_attributes_count,
- const struct drsuapi_DsReplicaLinkedAttribute *linked_attributes,
- const struct repsFromTo1 *source_dsa,
- const struct drsuapi_DsReplicaCursor2CtrEx *uptodateness_vector,
- TALLOC_CTX *mem_ctx,
- struct dsdb_extended_replicated_objects **_out)
+WERROR dsdb_extended_replicated_objects_convert(struct ldb_context *ldb,
+ const char *partition_dn,
+ const struct drsuapi_DsReplicaOIDMapping_Ctr *mapping_ctr,
+ uint32_t object_count,
+ const struct drsuapi_DsReplicaObjectListItemEx *first_object,
+ uint32_t linked_attributes_count,
+ const struct drsuapi_DsReplicaLinkedAttribute *linked_attributes,
+ const struct repsFromTo1 *source_dsa,
+ const struct drsuapi_DsReplicaCursor2CtrEx *uptodateness_vector,
+ const DATA_BLOB *gensec_skey,
+ TALLOC_CTX *mem_ctx,
+ struct dsdb_extended_replicated_objects **objects)
{
WERROR status;
+ const struct dsdb_schema *schema;
struct dsdb_extended_replicated_objects *out;
- struct ldb_result *ext_res;
const struct drsuapi_DsReplicaObjectListItemEx *cur;
uint32_t i;
- int ret;
-
- status = dsdb_verify_oid_mappings(schema, mapping_ctr);
- W_ERROR_NOT_OK_RETURN(status);
out = talloc_zero(mem_ctx, struct dsdb_extended_replicated_objects);
W_ERROR_HAVE_NO_MEMORY(out);
+ out->version = DSDB_EXTENDED_REPLICATED_OBJECTS_VERSION;
+
+ /* Get the schema, and ensure it's kept valid for as long as 'out' which may contain pointers to it */
+ schema = dsdb_get_schema(ldb, out);
+ if (!schema) {
+ talloc_free(out);
+ return WERR_DS_SCHEMA_NOT_LOADED;
+ }
- out->partition_dn = ldb_dn_new(out, ldb, partition_dn);
+ status = dsdb_schema_pfm_contains_drsuapi_pfm(schema->prefixmap, mapping_ctr);
+ if (!W_ERROR_IS_OK(status)) {
+ talloc_free(out);
+ return status;
+ }
+
+ out->partition_dn = ldb_dn_new(out, ldb, partition_dn);
W_ERROR_HAVE_NO_MEMORY(out->partition_dn);
out->source_dsa = source_dsa;
out->num_objects);
W_ERROR_HAVE_NO_MEMORY(out->objects);
+ /* pass the linked attributes down to the repl_meta_data
+ module */
+ out->linked_attributes_count = linked_attributes_count;
+ out->linked_attributes = linked_attributes;
+
for (i=0, cur = first_object; cur; cur = cur->next_object, i++) {
if (i == out->num_objects) {
+ talloc_free(out);
return WERR_FOOBAR;
}
- status = dsdb_convert_object(ldb, schema, out, cur, out->objects, &out->objects[i]);
- W_ERROR_NOT_OK_RETURN(status);
+ status = dsdb_convert_object_ex(ldb, schema,
+ cur, gensec_skey,
+ out->objects, &out->objects[i]);
+ if (!W_ERROR_IS_OK(status)) {
+ talloc_free(out);
+ DEBUG(0,("Failed to convert object %s\n", cur->object.identifier->dn));
+ return status;
+ }
}
if (i != out->num_objects) {
+ talloc_free(out);
return WERR_FOOBAR;
}
+ *objects = out;
+ return WERR_OK;
+}
+
+WERROR dsdb_extended_replicated_objects_commit(struct ldb_context *ldb,
+ struct dsdb_extended_replicated_objects *objects,
+ uint64_t *notify_uSN)
+{
+ struct ldb_result *ext_res;
+ int ret;
+ uint64_t seq_num1, seq_num2;
+
/* TODO: handle linked attributes */
- ret = ldb_extended(ldb, DSDB_EXTENDED_REPLICATED_OBJECTS_OID, out, &ext_res);
+ /* wrap the extended operation in a transaction
+ See [MS-DRSR] 3.3.2 Transactions
+ */
+ ret = ldb_transaction_start(ldb);
if (ret != LDB_SUCCESS) {
- DEBUG(0,("Failed to apply records: %d\n",
- ret));
- talloc_free(out);
+ DEBUG(0,(__location__ " Failed to start transaction\n"));
+ return WERR_FOOBAR;
+ }
+
+ ret = dsdb_load_partition_usn(ldb, objects->partition_dn, &seq_num1, NULL);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ " Failed to load partition uSN\n"));
+ ldb_transaction_cancel(ldb);
+ return WERR_FOOBAR;
+ }
+
+ ret = ldb_extended(ldb, DSDB_EXTENDED_REPLICATED_OBJECTS_OID, objects, &ext_res);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,("Failed to apply records: %s: %s\n",
+ ldb_errstring(ldb), ldb_strerror(ret)));
+ ldb_transaction_cancel(ldb);
return WERR_FOOBAR;
}
talloc_free(ext_res);
- if (_out) {
- *_out = out;
- } else {
- talloc_free(out);
+ ret = ldb_transaction_prepare_commit(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ " Failed to prepare commit of transaction: %s\n",
+ ldb_errstring(ldb)));
+ return WERR_FOOBAR;
+ }
+
+ ret = dsdb_load_partition_usn(ldb, objects->partition_dn, &seq_num2, NULL);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ " Failed to load partition uSN\n"));
+ ldb_transaction_cancel(ldb);
+ return WERR_FOOBAR;
+ }
+
+ /* if this replication partner didn't need to be notified
+ before this transaction then it still doesn't need to be
+ notified, as the changes came from this server */
+ if (seq_num2 > seq_num1 && seq_num1 <= *notify_uSN) {
+ *notify_uSN = seq_num2;
}
+ ret = ldb_transaction_commit(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ " Failed to commit transaction\n"));
+ return WERR_FOOBAR;
+ }
+
+
+ DEBUG(2,("Replicated %u objects (%u linked attributes) for %s\n",
+ objects->num_objects, objects->linked_attributes_count,
+ ldb_dn_get_linearized(objects->partition_dn)));
+
+ return WERR_OK;
+}
+
+static WERROR dsdb_convert_object(struct ldb_context *ldb,
+ const struct dsdb_schema *schema,
+ const struct drsuapi_DsReplicaObjectListItem *in,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_message **_msg)
+{
+ WERROR status;
+ unsigned int i;
+ struct ldb_message *msg;
+
+ if (!in->object.identifier) {
+ return WERR_FOOBAR;
+ }
+
+ if (!in->object.identifier->dn || !in->object.identifier->dn[0]) {
+ return WERR_FOOBAR;
+ }
+
+ msg = ldb_msg_new(mem_ctx);
+ W_ERROR_HAVE_NO_MEMORY(msg);
+
+ msg->dn = ldb_dn_new(msg, ldb, in->object.identifier->dn);
+ W_ERROR_HAVE_NO_MEMORY(msg->dn);
+
+ msg->num_elements = in->object.attribute_ctr.num_attributes;
+ msg->elements = talloc_array(msg, struct ldb_message_element,
+ msg->num_elements);
+ W_ERROR_HAVE_NO_MEMORY(msg->elements);
+
+ for (i=0; i < msg->num_elements; i++) {
+ struct drsuapi_DsReplicaAttribute *a;
+ struct ldb_message_element *e;
+
+ a = &in->object.attribute_ctr.attributes[i];
+ e = &msg->elements[i];
+
+ status = dsdb_attribute_drsuapi_to_ldb(ldb, schema, a, msg->elements, e);
+ W_ERROR_NOT_OK_RETURN(status);
+ }
+
+
+ *_msg = msg;
+
return WERR_OK;
}
+
+WERROR dsdb_origin_objects_commit(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ const struct drsuapi_DsReplicaObjectListItem *first_object,
+ uint32_t *_num,
+ struct drsuapi_DsReplicaObjectIdentifier2 **_ids)
+{
+ WERROR status;
+ const struct dsdb_schema *schema;
+ const struct drsuapi_DsReplicaObjectListItem *cur;
+ struct ldb_message **objects;
+ struct drsuapi_DsReplicaObjectIdentifier2 *ids;
+ uint32_t i;
+ uint32_t num_objects = 0;
+ const char * const attrs[] = {
+ "objectGUID",
+ "objectSid",
+ NULL
+ };
+ struct ldb_result *res;
+ int ret;
+
+ for (cur = first_object; cur; cur = cur->next_object) {
+ num_objects++;
+ }
+
+ if (num_objects == 0) {
+ return WERR_OK;
+ }
+
+ ret = ldb_transaction_start(ldb);
+ if (ret != LDB_SUCCESS) {
+ return WERR_DS_INTERNAL_FAILURE;
+ }
+
+ objects = talloc_array(mem_ctx, struct ldb_message *,
+ num_objects);
+ if (objects == NULL) {
+ status = WERR_NOMEM;
+ goto cancel;
+ }
+
+ schema = dsdb_get_schema(ldb, objects);
+ if (!schema) {
+ return WERR_DS_SCHEMA_NOT_LOADED;
+ }
+
+ for (i=0, cur = first_object; cur; cur = cur->next_object, i++) {
+ status = dsdb_convert_object(ldb, schema,
+ cur, objects, &objects[i]);
+ if (!W_ERROR_IS_OK(status)) {
+ goto cancel;
+ }
+ }
+
+ ids = talloc_array(mem_ctx,
+ struct drsuapi_DsReplicaObjectIdentifier2,
+ num_objects);
+ if (ids == NULL) {
+ status = WERR_NOMEM;
+ goto cancel;
+ }
+
+ for (i=0; i < num_objects; i++) {
+ struct dom_sid *sid = NULL;
+ struct ldb_request *add_req;
+
+ DEBUG(6,(__location__ ": adding %s\n",
+ ldb_dn_get_linearized(objects[i]->dn)));
+
+ ret = ldb_build_add_req(&add_req,
+ ldb,
+ objects,
+ objects[i],
+ NULL,
+ NULL,
+ ldb_op_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ status = WERR_DS_INTERNAL_FAILURE;
+ goto cancel;
+ }
+
+ ret = ldb_request_add_control(add_req, LDB_CONTROL_RELAX_OID, true, NULL);
+ if (ret != LDB_SUCCESS) {
+ status = WERR_DS_INTERNAL_FAILURE;
+ goto cancel;
+ }
+
+ ret = ldb_request(ldb, add_req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(add_req->handle, LDB_WAIT_ALL);
+ }
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed add of %s - %s\n",
+ ldb_dn_get_linearized(objects[i]->dn), ldb_errstring(ldb)));
+ status = WERR_DS_INTERNAL_FAILURE;
+ goto cancel;
+ }
+
+ talloc_free(add_req);
+
+ ret = ldb_search(ldb, objects, &res, objects[i]->dn,
+ LDB_SCOPE_BASE, attrs,
+ "(objectClass=*)");
+ if (ret != LDB_SUCCESS) {
+ status = WERR_DS_INTERNAL_FAILURE;
+ goto cancel;
+ }
+ ids[i].guid = samdb_result_guid(res->msgs[0], "objectGUID");
+ sid = samdb_result_dom_sid(objects, res->msgs[0], "objectSid");
+ if (sid) {
+ ids[i].sid = *sid;
+ } else {
+ ZERO_STRUCT(ids[i].sid);
+ }
+ }
+
+ ret = ldb_transaction_commit(ldb);
+ if (ret != LDB_SUCCESS) {
+ return WERR_DS_INTERNAL_FAILURE;
+ }
+
+ talloc_free(objects);
+
+ *_num = num_objects;
+ *_ids = ids;
+ return WERR_OK;
+
+cancel:
+ talloc_free(objects);
+ ldb_transaction_cancel(ldb);
+ return status;
+}
git.samba.org / metze / samba / wip.git / blobdiff