s4-test: Move dssync.c to torture/drs/rpc

1 files changed, 1120 insertions, 0 deletions

diff --git a/source4/torture/drs/rpc/dssync.c b/source4/torture/drs/rpc/dssync.c
new file mode 100644
index 0000000000..641a537298
--- /dev/null
+++ b/source4/torture/drs/rpc/dssync.c
@@ -0,0 +1,1120 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   DsGetNCChanges replication test
+
+   Copyright (C) Stefan (metze) Metzmacher 2005
+   Copyright (C) Brad Henry 2005
+
+   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 "lib/cmdline/popt_common.h"
+#include "librpc/gen_ndr/ndr_drsuapi_c.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
+#include "libcli/cldap/cldap.h"
+#include "torture/torture.h"
+#include "../libcli/drsuapi/drsuapi.h"
+#include "auth/gensec/gensec.h"
+#include "param/param.h"
+#include "dsdb/samdb/samdb.h"
+#include "torture/rpc/torture_rpc.h"
+#include "torture/drs/proto.h"
+#include "lib/tsocket/tsocket.h"
+#include "libcli/resolve/resolve.h"
+
+struct DsSyncBindInfo {
+	struct dcerpc_pipe *drs_pipe;
+	struct dcerpc_binding_handle *drs_handle;
+	struct drsuapi_DsBind req;
+	struct GUID bind_guid;
+	struct drsuapi_DsBindInfoCtr our_bind_info_ctr;
+	struct drsuapi_DsBindInfo28 our_bind_info28;
+	struct drsuapi_DsBindInfo28 peer_bind_info28;
+	struct policy_handle bind_handle;
+};
+
+struct DsSyncLDAPInfo {
+	struct ldb_context *ldb;
+};
+
+struct DsSyncTest {
+	struct dcerpc_binding *drsuapi_binding;
+
+	const char *ldap_url;
+	const char *dest_address;
+	const char *domain_dn;
+	const char *config_dn;
+	const char *schema_dn;
+
+	/* what we need to do as 'Administrator' */
+	struct {
+		struct cli_credentials *credentials;
+		struct DsSyncBindInfo drsuapi;
+		struct DsSyncLDAPInfo ldap;
+	} admin;
+
+	/* what we need to do as the new dc machine account */
+	struct {
+		struct cli_credentials *credentials;
+		struct DsSyncBindInfo drsuapi;
+		struct drsuapi_DsGetDCInfo2 dc_info2;
+		struct GUID invocation_id;
+		struct GUID object_guid;
+	} new_dc;
+
+	/* info about the old dc */
+	struct {
+		struct drsuapi_DsGetDomainControllerInfo dc_info;
+	} old_dc;
+};
+
+static struct DsSyncTest *test_create_context(struct torture_context *tctx)
+{
+	NTSTATUS status;
+	struct DsSyncTest *ctx;
+	struct drsuapi_DsBindInfo28 *our_bind_info28;
+	struct drsuapi_DsBindInfoCtr *our_bind_info_ctr;
+	const char *binding = torture_setting_string(tctx, "binding", NULL);
+	struct nbt_name name;
+
+	ctx = talloc_zero(tctx, struct DsSyncTest);
+	if (!ctx) return NULL;
+
+	status = dcerpc_parse_binding(ctx, binding, &ctx->drsuapi_binding);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("Bad binding string %s\n", binding);
+		return NULL;
+	}
+	ctx->drsuapi_binding->flags |= DCERPC_SIGN | DCERPC_SEAL;
+
+	ctx->ldap_url = talloc_asprintf(ctx, "ldap://%s", ctx->drsuapi_binding->host);
+
+	make_nbt_name_server(&name, ctx->drsuapi_binding->host);
+
+	/* do an initial name resolution to find its IP */
+	status = resolve_name(lpcfg_resolve_context(tctx->lp_ctx), &name, tctx,
+			      &ctx->dest_address, tctx->ev);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("Failed to resolve %s - %s\n",
+		       name.name, nt_errstr(status));
+		return NULL;
+	}
+
+	/* ctx->admin ...*/
+	ctx->admin.credentials				= cmdline_credentials;
+
+	our_bind_info28				= &ctx->admin.drsuapi.our_bind_info28;
+	our_bind_info28->supported_extensions	= 0xFFFFFFFF;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
+	our_bind_info28->site_guid		= GUID_zero();
+	our_bind_info28->pid			= 0;
+	our_bind_info28->repl_epoch		= 1;
+
+	our_bind_info_ctr			= &ctx->admin.drsuapi.our_bind_info_ctr;
+	our_bind_info_ctr->length		= 28;
+	our_bind_info_ctr->info.info28		= *our_bind_info28;
+
+	GUID_from_string(DRSUAPI_DS_BIND_GUID, &ctx->admin.drsuapi.bind_guid);
+
+	ctx->admin.drsuapi.req.in.bind_guid		= &ctx->admin.drsuapi.bind_guid;
+	ctx->admin.drsuapi.req.in.bind_info		= our_bind_info_ctr;
+	ctx->admin.drsuapi.req.out.bind_handle		= &ctx->admin.drsuapi.bind_handle;
+
+	/* ctx->new_dc ...*/
+	ctx->new_dc.credentials			= cmdline_credentials;
+
+	our_bind_info28				= &ctx->new_dc.drsuapi.our_bind_info28;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_BASE;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
+	our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
+	if (lpcfg_parm_bool(tctx->lp_ctx, NULL, "dssync", "xpress", false)) {
+		our_bind_info28->supported_extensions	|= DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS;
+	}
+	our_bind_info28->site_guid		= GUID_zero();
+	our_bind_info28->pid			= 0;
+	our_bind_info28->repl_epoch		= 0;
+
+	our_bind_info_ctr			= &ctx->new_dc.drsuapi.our_bind_info_ctr;
+	our_bind_info_ctr->length		= 28;
+	our_bind_info_ctr->info.info28		= *our_bind_info28;
+
+	GUID_from_string(DRSUAPI_DS_BIND_GUID_W2K3, &ctx->new_dc.drsuapi.bind_guid);
+
+	ctx->new_dc.drsuapi.req.in.bind_guid		= &ctx->new_dc.drsuapi.bind_guid;
+	ctx->new_dc.drsuapi.req.in.bind_info		= our_bind_info_ctr;
+	ctx->new_dc.drsuapi.req.out.bind_handle		= &ctx->new_dc.drsuapi.bind_handle;
+
+	ctx->new_dc.invocation_id			= ctx->new_dc.drsuapi.bind_guid;
+
+	/* ctx->old_dc ...*/
+
+	return ctx;
+}
+
+static bool _test_DsBind(struct torture_context *tctx,
+			 struct DsSyncTest *ctx, struct cli_credentials *credentials, struct DsSyncBindInfo *b)
+{
+	NTSTATUS status;
+	bool ret = true;
+
+	status = dcerpc_pipe_connect_b(ctx,
+				       &b->drs_pipe, ctx->drsuapi_binding,
+				       &ndr_table_drsuapi,
+				       credentials, tctx->ev, tctx->lp_ctx);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("Failed to connect to server as a BDC: %s\n", nt_errstr(status));
+		return false;
+	}
+	b->drs_handle = b->drs_pipe->binding_handle;
+
+	status = dcerpc_drsuapi_DsBind_r(b->drs_handle, ctx, &b->req);
+	if (!NT_STATUS_IS_OK(status)) {
+		const char *errstr = nt_errstr(status);
+		printf("dcerpc_drsuapi_DsBind failed - %s\n", errstr);
+		ret = false;
+	} else if (!W_ERROR_IS_OK(b->req.out.result)) {
+		printf("DsBind failed - %s\n", win_errstr(b->req.out.result));
+		ret = false;
+	}
+
+	ZERO_STRUCT(b->peer_bind_info28);
+	if (b->req.out.bind_info) {
+		switch (b->req.out.bind_info->length) {
+		case 24: {
+			struct drsuapi_DsBindInfo24 *info24;
+			info24 = &b->req.out.bind_info->info.info24;
+			b->peer_bind_info28.supported_extensions= info24->supported_extensions;
+			b->peer_bind_info28.site_guid		= info24->site_guid;
+			b->peer_bind_info28.pid			= info24->pid;
+			b->peer_bind_info28.repl_epoch		= 0;
+			break;
+		}
+		case 48: {
+			struct drsuapi_DsBindInfo48 *info48;
+			info48 = &b->req.out.bind_info->info.info48;
+			b->peer_bind_info28.supported_extensions= info48->supported_extensions;
+			b->peer_bind_info28.site_guid		= info48->site_guid;
+			b->peer_bind_info28.pid			= info48->pid;
+			b->peer_bind_info28.repl_epoch		= info48->repl_epoch;
+			break;
+		}
+		case 28:
+			b->peer_bind_info28 = b->req.out.bind_info->info.info28;
+			break;
+		default:
+			printf("DsBind - warning: unknown BindInfo length: %u\n",
+			       b->req.out.bind_info->length);
+		}
+	}
+
+	return ret;
+}
+
+static bool test_LDAPBind(struct torture_context *tctx, struct DsSyncTest *ctx,
+			  struct cli_credentials *credentials, struct DsSyncLDAPInfo *l)
+{
+	bool ret = true;
+
+	struct ldb_context *ldb;
+
+	const char *modules_option[] = { "modules:paged_searches", NULL };
+	ctx->admin.ldap.ldb = ldb = ldb_init(ctx, tctx->ev);
+	if (ldb == NULL) {
+		return false;
+	}
+
+	/* Despite us loading the schema from the AD server, we need
+	 * the samba handlers to get the extended DN syntax stuff */
+	ret = ldb_register_samba_handlers(ldb);
+	if (ret == -1) {
+		talloc_free(ldb);
+		return NULL;
+	}
+
+	ldb_set_modules_dir(ldb,
+			    talloc_asprintf(ldb,
+					    "%s/ldb",
+					    lpcfg_modulesdir(tctx->lp_ctx)));
+
+	if (ldb_set_opaque(ldb, "credentials", credentials)) {
+		talloc_free(ldb);
+		return NULL;
+	}
+
+	if (ldb_set_opaque(ldb, "loadparm", tctx->lp_ctx)) {
+		talloc_free(ldb);
+		return NULL;
+	}
+
+	ret = ldb_connect(ldb, ctx->ldap_url, 0, modules_option);
+	if (ret != LDB_SUCCESS) {
+		talloc_free(ldb);
+		torture_assert_int_equal(tctx, ret, LDB_SUCCESS, "Failed to make LDB connection to target");
+	}
+
+	printf("connected to LDAP: %s\n", ctx->ldap_url);
+
+	return true;
+}
+
+static bool test_GetInfo(struct torture_context *tctx, struct DsSyncTest *ctx)
+{
+	struct ldb_context *ldb = ctx->admin.ldap.ldb;
+
+	/* We must have LDB connection ready by this time */
+	SMB_ASSERT(ldb != NULL);
+
+	ctx->domain_dn = ldb_dn_get_linearized(ldb_get_default_basedn(ldb));
+	torture_assert(tctx, ctx->domain_dn != NULL, "Failed to get Domain DN");
+
+	ctx->config_dn = ldb_dn_get_linearized(ldb_get_config_basedn(ldb));
+	torture_assert(tctx, ctx->config_dn != NULL, "Failed to get Domain DN");
+
+	ctx->schema_dn = ldb_dn_get_linearized(ldb_get_schema_basedn(ldb));
+	torture_assert(tctx, ctx->schema_dn != NULL, "Failed to get Domain DN");
+
+	return true;
+}
+
+static bool test_analyse_objects(struct torture_context *tctx,
+				 struct DsSyncTest *ctx,
+				 const char *partition,
+				 const struct drsuapi_DsReplicaOIDMapping_Ctr *mapping_ctr,
+				 uint32_t object_count,
+				 const struct drsuapi_DsReplicaObjectListItemEx *first_object,
+				 const DATA_BLOB *gensec_skey)
+{
+	static uint32_t object_id;
+	const char *save_values_dir;
+	const struct drsuapi_DsReplicaObjectListItemEx *cur;
+	struct ldb_context *ldb = ctx->admin.ldap.ldb;
+	struct ldb_dn *deleted_dn;
+	WERROR status;
+	int i, j, ret;
+	struct dsdb_extended_replicated_objects *objs;
+	struct ldb_extended_dn_control *extended_dn_ctrl;
+	const char *err_msg;
+	struct dsdb_schema *ldap_schema;
+
+	ldap_schema = dsdb_get_schema(ldb, NULL);
+	if (!ldap_schema) {
+		struct ldb_result *a_res;
+		struct ldb_result *c_res;
+		struct ldb_dn *schema_dn = ldb_get_schema_basedn(ldb);
+		ldap_schema = dsdb_new_schema(ctx);
+		if (!ldap_schema) {
+			return false;
+		}
+		status = dsdb_load_prefixmap_from_drsuapi(ldap_schema, mapping_ctr);
+
+		/*
+		 * load the attribute definitions
+		 */
+		ret = ldb_search(ldb, ldap_schema, &a_res,
+				 schema_dn, LDB_SCOPE_ONELEVEL, NULL,
+				 "(objectClass=attributeSchema)");
+		if (ret != LDB_SUCCESS) {
+			err_msg = talloc_asprintf(tctx,
+						  "failed to search attributeSchema objects: %s",
+						  ldb_errstring(ldb));
+			torture_fail(tctx, err_msg);
+		}
+
+		/*
+		 * load the objectClass definitions
+		 */
+		ret = ldb_search(ldb, ldap_schema, &c_res,
+				 schema_dn, LDB_SCOPE_ONELEVEL, NULL,
+				 "(objectClass=classSchema)");
+		if (ret != LDB_SUCCESS) {
+			err_msg = talloc_asprintf(tctx,
+						  "failed to search classSchema objects: %s",
+						  ldb_errstring(ldb));
+			torture_fail(tctx, err_msg);
+		}
+
+		/* Build schema */
+		for (i=0; i < a_res->count; i++) {
+			status = dsdb_attribute_from_ldb(ldb, ldap_schema, a_res->msgs[i]);
+			torture_assert_werr_ok(tctx, status,
+					       talloc_asprintf(tctx,
+							       "dsdb_attribute_from_ldb() failed for: %s",
+							       ldb_dn_get_linearized(a_res->msgs[i]->dn)));
+		}
+
+		for (i=0; i < c_res->count; i++) {
+			status = dsdb_class_from_ldb(ldap_schema, c_res->msgs[i]);
+			torture_assert_werr_ok(tctx, status,
+					       talloc_asprintf(tctx,
+							       "dsdb_class_from_ldb() failed for: %s",
+							       ldb_dn_get_linearized(c_res->msgs[i]->dn)));
+		}
+		talloc_free(a_res);
+		talloc_free(c_res);
+		ret = dsdb_set_schema(ldb, ldap_schema);
+		if (ret != LDB_SUCCESS) {
+			torture_fail(tctx,
+				     talloc_asprintf(tctx, "dsdb_set_schema() failed: %s", ldb_strerror(ret)));
+		}
+	}
+
+	status = dsdb_extended_replicated_objects_convert(ldb,
+							  partition,
+							  mapping_ctr,
+							  object_count,
+							  first_object,
+							  0, NULL,
+							  NULL, NULL,
+							  gensec_skey,
+							  ctx, &objs);
+	torture_assert_werr_ok(tctx, status, "dsdb_extended_replicated_objects_convert() failed!");
+
+	extended_dn_ctrl = talloc(objs, struct ldb_extended_dn_control);
+	extended_dn_ctrl->type = 1;
+
+	deleted_dn = ldb_dn_new(objs, ldb, partition);
+	ldb_dn_add_child_fmt(deleted_dn, "CN=Deleted Objects");
+
+	for (i=0; i < object_count; i++) {
+		struct ldb_request *search_req;
+		struct ldb_result *res;
+		struct ldb_message *new_msg, *drs_msg, *ldap_msg;
+		const char **attrs = talloc_array(objs, const char *, objs->objects[i].msg->num_elements+1);
+		for (j=0; j < objs->objects[i].msg->num_elements; j++) {
+			attrs[j] = objs->objects[i].msg->elements[j].name;
+		}
+		attrs[j] = NULL;
+		res = talloc_zero(objs, struct ldb_result);
+		if (!res) {
+			return LDB_ERR_OPERATIONS_ERROR;
+		}
+		ret = ldb_build_search_req(&search_req, ldb, objs,
+					   objs->objects[i].msg->dn,
+					   LDB_SCOPE_BASE,
+					   NULL,
+					   attrs,
+					   NULL,
+					   res,
+					   ldb_search_default_callback,
+					   NULL);
+		if (ret != LDB_SUCCESS) {
+			return false;
+		}
+		talloc_steal(search_req, res);
+		ret = ldb_request_add_control(search_req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
+		if (ret != LDB_SUCCESS) {
+			return false;
+		}
+
+		ret = ldb_request_add_control(search_req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_dn_ctrl);
+		if (ret != LDB_SUCCESS) {
+			return false;
+		}
+
+		ret = ldb_request(ldb, search_req);
+		if (ret == LDB_SUCCESS) {
+			ret = ldb_wait(search_req->handle, LDB_WAIT_ALL);
+		}
+
+		torture_assert_int_equal(tctx, ret, LDB_SUCCESS,
+					 talloc_asprintf(tctx,
+							 "Could not re-fetch object just delivered over DRS: %s",
+							 ldb_errstring(ldb)));
+		torture_assert_int_equal(tctx, res->count, 1, "Could not re-fetch object just delivered over DRS");
+		ldap_msg = res->msgs[0];
+		for (j=0; j < ldap_msg->num_elements; j++) {
+			ldap_msg->elements[j].flags = LDB_FLAG_MOD_ADD;
+			/* For unknown reasons, there is no nTSecurityDescriptor on cn=deleted objects over LDAP, but there is over DRS!  Skip it on both transports for now here so */
+			if ((ldb_attr_cmp(ldap_msg->elements[j].name, "nTSecurityDescriptor") == 0) &&
+			    (ldb_dn_compare(ldap_msg->dn, deleted_dn) == 0)) {
+				ldb_msg_remove_element(ldap_msg, &ldap_msg->elements[j]);
+				/* Don't skip one */
+				j--;
+			}
+		}
+
+		ret = ldb_msg_normalize(ldb, search_req,
+		                        objs->objects[i].msg, &drs_msg);
+		torture_assert(tctx, ret == LDB_SUCCESS,
+			       "ldb_msg_normalize() has failed");
+
+		for (j=0; j < drs_msg->num_elements; j++) {
+			if (drs_msg->elements[j].num_values == 0) {
+				ldb_msg_remove_element(drs_msg, &drs_msg->elements[j]);
+				/* Don't skip one */
+				j--;
+
+				/* For unknown reasons, there is no nTSecurityDescriptor on cn=deleted objects over LDAP, but there is over DRS! */
+			} else if ((ldb_attr_cmp(drs_msg->elements[j].name, "nTSecurityDescriptor") == 0) &&
+				   (ldb_dn_compare(drs_msg->dn, deleted_dn) == 0)) {
+				ldb_msg_remove_element(drs_msg, &drs_msg->elements[j]);
+				/* Don't skip one */
+				j--;
+			} else if (ldb_attr_cmp(drs_msg->elements[j].name, "unicodePwd") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "dBCSPwd") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "ntPwdHistory") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "lmPwdHistory") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "supplementalCredentials") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "priorValue") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "currentValue") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "trustAuthOutgoing") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "trustAuthIncoming") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "initialAuthOutgoing") == 0 ||
+				   ldb_attr_cmp(drs_msg->elements[j].name, "initialAuthIncoming") == 0) {
+
+				/* These are not shown over LDAP, so we need to skip them for the comparison */
+				ldb_msg_remove_element(drs_msg, &drs_msg->elements[j]);
+				/* Don't skip one */
+				j--;
+			} else {
+				drs_msg->elements[j].flags = LDB_FLAG_MOD_ADD;
+			}
+		}
+
+
+		ret = ldb_msg_difference(ldb, search_req,
+		                         drs_msg, ldap_msg, &new_msg);
+		torture_assert(tctx, ret == LDB_SUCCESS, "ldb_msg_difference() has failed");
+		if (new_msg->num_elements != 0) {
+			char *s;
+			bool is_warning = true;
+			unsigned int idx;
+			struct ldb_message_element *el;
+			const struct dsdb_attribute * a;
+			struct ldb_ldif ldif;
+			ldif.changetype = LDB_CHANGETYPE_MODIFY;
+			ldif.msg = new_msg;
+			s = ldb_ldif_write_string(ldb, new_msg, &ldif);
+			s = talloc_asprintf(tctx, "\n# Difference in between DRS and LDAP objects: \n%s", s);
+
+			ret = ldb_msg_difference(ldb, search_req,
+			                         ldap_msg, drs_msg, &ldif.msg);
+			torture_assert(tctx, ret == LDB_SUCCESS, "ldb_msg_difference() has failed");
+			s = talloc_asprintf_append(s,
+						   "\n# Difference in between LDAP and DRS objects: \n%s",
+						   ldb_ldif_write_string(ldb, new_msg, &ldif));
+
+			s = talloc_asprintf_append(s,
+						   "# Should have no objects in 'difference' message. Diff elements: %d",
+						   new_msg->num_elements);
+
+			/*
+			 * In case differences in messages are:
+			 * 1. Attributes with different values, i.e. 'replace'
+			 * 2. Those attributes are forward-link attributes
+			 * then we just warn about those differences.
+			 * It turns out windows doesn't send all of those values
+			 * in replicated_object but in linked_attributes.
+			 */
+			for (idx = 0; idx < new_msg->num_elements && is_warning; idx++) {
+				el = &new_msg->elements[idx];
+				a = dsdb_attribute_by_lDAPDisplayName(ldap_schema,
+				                                      el->name);
+				if (!(el->flags & (LDB_FLAG_MOD_ADD|LDB_FLAG_MOD_REPLACE))) {
+					/* DRS only value */
+					is_warning = false;
+				} else if (a->linkID & 1) {
+					is_warning = false;
+				}
+			}
+			if (is_warning) {
+				torture_warning(tctx, "%s", s);
+			} else {
+				torture_fail(tctx, s);
+			}
+		}
+
+		/* search_req is used as a tmp talloc context in the above */
+		talloc_free(search_req);
+	}
+
+	if (!lpcfg_parm_bool(tctx->lp_ctx, NULL, "dssync", "print_pwd_blobs", false)) {
+		talloc_free(objs);
+		return true;
+	}
+
+	save_values_dir = lpcfg_parm_string(tctx->lp_ctx, NULL, "dssync", "save_pwd_blobs_dir");
+
+	for (cur = first_object; cur; cur = cur->next_object) {
+		const char *dn;
+		struct dom_sid *sid = NULL;
+		uint32_t rid = 0;
+		bool dn_printed = false;
+
+		if (!cur->object.identifier) continue;
+
+		dn = cur->object.identifier->dn;
+		if (cur->object.identifier->sid.num_auths > 0) {
+			sid = &cur->object.identifier->sid;
+			rid = sid->sub_auths[sid->num_auths - 1];
+		}
+
+		for (i=0; i < cur->object.attribute_ctr.num_attributes; i++) {
+			WERROR werr;
+			const char *name = NULL;
+			bool rcrypt = false;
+			DATA_BLOB *enc_data = NULL;
+			DATA_BLOB plain_data;
+			struct drsuapi_DsReplicaAttribute *attr;
+			ndr_pull_flags_fn_t pull_fn = NULL;
+			ndr_print_fn_t print_fn = NULL;
+			void *ptr = NULL;
+			attr = &cur->object.attribute_ctr.attributes[i];
+
+			switch (attr->attid) {
+			case DRSUAPI_ATTRIBUTE_dBCSPwd:
+				name	= "dBCSPwd";
+				rcrypt	= true;
+				break;
+			case DRSUAPI_ATTRIBUTE_unicodePwd:
+				name	= "unicodePwd";
+				rcrypt	= true;
+				break;
+			case DRSUAPI_ATTRIBUTE_ntPwdHistory:
+				name	= "ntPwdHistory";
+				rcrypt	= true;
+				break;
+			case DRSUAPI_ATTRIBUTE_lmPwdHistory:
+				name	= "lmPwdHistory";
+				rcrypt	= true;
+				break;
+			case DRSUAPI_ATTRIBUTE_supplementalCredentials:
+				name	= "supplementalCredentials";
+				pull_fn = (ndr_pull_flags_fn_t)ndr_pull_supplementalCredentialsBlob;
+				print_fn = (ndr_print_fn_t)ndr_print_supplementalCredentialsBlob;
+				ptr = talloc(ctx, struct supplementalCredentialsBlob);
+				break;
+			case DRSUAPI_ATTRIBUTE_priorValue:
+				name	= "priorValue";
+				break;
+			case DRSUAPI_ATTRIBUTE_currentValue:
+				name	= "currentValue";
+				break;
+			case DRSUAPI_ATTRIBUTE_trustAuthOutgoing:
+				name	= "trustAuthOutgoing";
+				pull_fn = (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob;
+				print_fn = (ndr_print_fn_t)ndr_print_trustAuthInOutBlob;
+				ptr = talloc(ctx, struct trustAuthInOutBlob);
+				break;
+			case DRSUAPI_ATTRIBUTE_trustAuthIncoming:
+				name	= "trustAuthIncoming";
+				pull_fn = (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob;
+				print_fn = (ndr_print_fn_t)ndr_print_trustAuthInOutBlob;
+				ptr = talloc(ctx, struct trustAuthInOutBlob);
+				break;
+			case DRSUAPI_ATTRIBUTE_initialAuthOutgoing:
+				name	= "initialAuthOutgoing";
+				break;
+			case DRSUAPI_ATTRIBUTE_initialAuthIncoming:
+				name	= "initialAuthIncoming";
+				break;
+			default:
+				continue;
+			}
+
+			if (attr->value_ctr.num_values != 1) continue;
+
+			if (!attr->value_ctr.values[0].blob) continue;
+
+			enc_data = attr->value_ctr.values[0].blob;
+			ZERO_STRUCT(plain_data);
+
+			werr = drsuapi_decrypt_attribute_value(ctx, gensec_skey, rcrypt,
+							       rid,
+							       enc_data, &plain_data);
+			if (!W_ERROR_IS_OK(werr)) {
+				DEBUG(0, ("Failed to decrypt %s\n", name));
+				continue;
+			}
+			if (!dn_printed) {
+				object_id++;
+				DEBUG(0,("DN[%u] %s\n", object_id, dn));
+				dn_printed = true;
+			}
+			DEBUGADD(0,("ATTR: %s enc.length=%lu plain.length=%lu\n",
+				    name, (long)enc_data->length, (long)plain_data.length));
+			if (plain_data.length) {
+				enum ndr_err_code ndr_err;
+				dump_data(0, plain_data.data, plain_data.length);
+				if (save_values_dir) {
+					char *fname;
+					fname = talloc_asprintf(ctx, "%s/%s%02d",
+								save_values_dir,
+								name, object_id);
+					if (fname) {
+						bool ok;
+						ok = file_save(fname, plain_data.data, plain_data.length);
+						if (!ok) {
+							DEBUGADD(0,("Failed to save '%s'\n", fname));
+						}
+					}
+					talloc_free(fname);
+				}
+
+				if (pull_fn) {
+					/* Can't use '_all' because of PIDL bugs with relative pointers */
+					ndr_err = ndr_pull_struct_blob(&plain_data, ptr,
+								       ptr, pull_fn);
+					if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+						ndr_print_debug(print_fn, name, ptr);
+					} else {
+						DEBUG(0, ("Failed to decode %s\n", name));
+					}
+				}
+			} else {
+				dump_data(0, enc_data->data, enc_data->length);
+			}
+			talloc_free(ptr);
+		}
+	}
+	talloc_free(objs);
+	return true;
+}
+
+static bool test_GetNCChanges(struct torture_context *tctx,
+			      struct DsSyncTest *ctx,
+			      const char *nc_dn_str)
+{
+	NTSTATUS status;
+	bool ret = true;
+	int i, y = 0;
+	uint64_t highest_usn = 0;
+	struct drsuapi_DsGetNCChanges r;
+	union drsuapi_DsGetNCChangesRequest req;
+	struct drsuapi_DsReplicaObjectIdentifier nc;
+	struct drsuapi_DsGetNCChangesCtr1 *ctr1 = NULL;
+	struct drsuapi_DsGetNCChangesCtr6 *ctr6 = NULL;
+	uint32_t out_level = 0;
+	struct GUID null_guid;
+	struct dom_sid null_sid;
+	DATA_BLOB gensec_skey;
+	struct {
+		uint32_t level;
+	} array[] = {
+/*		{
+			5
+		},
+*/		{
+			8
+		}
+	};
+
+	ZERO_STRUCT(null_guid);
+	ZERO_STRUCT(null_sid);
+
+	highest_usn = lpcfg_parm_int(tctx->lp_ctx, NULL, "dssync", "highest_usn", 0);
+
+	array[0].level = lpcfg_parm_int(tctx->lp_ctx, NULL, "dssync", "get_nc_changes_level", array[0].level);
+
+	if (lpcfg_parm_bool(tctx->lp_ctx, NULL, "dssync", "print_pwd_blobs", false)) {
+		const struct samr_Password *nthash;
+		nthash = cli_credentials_get_nt_hash(ctx->new_dc.credentials, ctx);
+		if (nthash) {
+			dump_data_pw("CREDENTIALS nthash:", nthash->hash, sizeof(nthash->hash));
+		}
+	}
+	status = gensec_session_key(ctx->new_dc.drsuapi.drs_pipe->conn->security_state.generic_state,
+				    &gensec_skey);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("failed to get gensec session key: %s\n", nt_errstr(status));
+		return false;
+	}
+
+	for (i=0; i < ARRAY_SIZE(array); i++) {
+		printf("Testing DsGetNCChanges level %d\n",
+			array[i].level);
+
+		r.in.bind_handle	= &ctx->new_dc.drsuapi.bind_handle;
+		r.in.level		= array[i].level;
+
+		switch (r.in.level) {
+		case 5:
+			nc.guid	= null_guid;
+			nc.sid	= null_sid;
+			nc.dn	= nc_dn_str;
+
+			r.in.req					= &req;
+			r.in.req->req5.destination_dsa_guid		= ctx->new_dc.invocation_id;
+			r.in.req->req5.source_dsa_invocation_id		= null_guid;
+			r.in.req->req5.naming_context			= &nc;
+			r.in.req->req5.highwatermark.tmp_highest_usn	= highest_usn;
+			r.in.req->req5.highwatermark.reserved_usn	= 0;
+			r.in.req->req5.highwatermark.highest_usn	= highest_usn;
+			r.in.req->req5.uptodateness_vector		= NULL;
+			r.in.req->req5.replica_flags			= 0;
+			if (lpcfg_parm_bool(tctx->lp_ctx, NULL, "dssync", "compression", false)) {
+				r.in.req->req5.replica_flags		|= DRSUAPI_DRS_USE_COMPRESSION;
+			}
+			if (lpcfg_parm_bool(tctx->lp_ctx, NULL, "dssync", "neighbour_writeable", true)) {
+				r.in.req->req5.replica_flags		|= DRSUAPI_DRS_WRIT_REP;
+			}
+			r.in.req->req5.replica_flags			|= DRSUAPI_DRS_INIT_SYNC
+									| DRSUAPI_DRS_PER_SYNC
+									| DRSUAPI_DRS_GET_ANC
+									| DRSUAPI_DRS_NEVER_SYNCED
+									;
+			r.in.req->req5.max_object_count			= 133;
+			r.in.req->req5.max_ndr_size			= 1336770;
+			r.in.req->req5.extended_op			= DRSUAPI_EXOP_NONE;
+			r.in.req->req5.fsmo_info			= 0;
+
+			break;
+		case 8:
+			nc.guid	= null_guid;
+			nc.sid	= null_sid;
+			nc.dn	= nc_dn_str;
+			/* nc.dn can be set to any other ad partition */
+
+			r.in.req					= &req;
+			r.in.req->req8.destination_dsa_guid		= ctx->new_dc.invocation_id;
+			r.in.req->req8.source_dsa_invocation_id		= null_guid;
+			r.in.req->req8.naming_context			= &nc;
+			r.in.req->req8.highwatermark.tmp_highest_usn	= highest_usn;
+			r.in.req->req8.highwatermark.reserved_usn	= 0;
+			r.in.req->req8.highwatermark.highest_usn	= highest_usn;
+			r.in.req->req8.uptodateness_vector		= NULL;
+			r.in.req->req8.replica_flags			= 0;
+			if (lpcfg_parm_bool(tctx->lp_ctx, NULL, "dssync", "compression", false)) {
+				r.in.req->req8.replica_flags		|= DRSUAPI_DRS_USE_COMPRESSION;
+			}
+			if (lpcfg_parm_bool(tctx->lp_ctx, NULL, "dssync", "neighbour_writeable", true)) {
+				r.in.req->req8.replica_flags		|= DRSUAPI_DRS_WRIT_REP;
+			}
+			r.in.req->req8.replica_flags			|= DRSUAPI_DRS_INIT_SYNC
+									| DRSUAPI_DRS_PER_SYNC
+									| DRSUAPI_DRS_GET_ANC
+									| DRSUAPI_DRS_NEVER_SYNCED
+									;
+			r.in.req->req8.max_object_count			= 402;
+			r.in.req->req8.max_ndr_size			= 402116;
+
+			r.in.req->req8.extended_op			= DRSUAPI_EXOP_NONE;
+			r.in.req->req8.fsmo_info			= 0;
+			r.in.req->req8.partial_attribute_set		= NULL;
+			r.in.req->req8.partial_attribute_set_ex		= NULL;
+			r.in.req->req8.mapping_ctr.num_mappings		= 0;
+			r.in.req->req8.mapping_ctr.mappings		= NULL;
+
+			break;
+		}
+
+		for (y=0; ;y++) {
+			uint32_t _level = 0;
+			union drsuapi_DsGetNCChangesCtr ctr;
+
+			ZERO_STRUCT(r.out);
+
+			r.out.level_out = &_level;
+			r.out.ctr	= &ctr;
+
+			if (r.in.level == 5) {
+				torture_comment(tctx,
+						"start[%d] tmp_higest_usn: %llu , highest_usn: %llu\n",
+						y,
+						r.in.req->req5.highwatermark.tmp_highest_usn,
+						r.in.req->req5.highwatermark.highest_usn);
+			}
+
+			if (r.in.level == 8) {
+				torture_comment(tctx,
+						"start[%d] tmp_higest_usn: %llu , highest_usn: %llu\n",
+						y,
+						r.in.req->req8.highwatermark.tmp_highest_usn,
+						r.in.req->req8.highwatermark.highest_usn);
+			}
+
+			status = dcerpc_drsuapi_DsGetNCChanges_r(ctx->new_dc.drsuapi.drs_handle, ctx, &r);
+			torture_drsuapi_assert_call(tctx, ctx->new_dc.drsuapi.drs_pipe, status,
+						    &r, "dcerpc_drsuapi_DsGetNCChanges");
+
+			if (ret == true && *r.out.level_out == 1) {
+				out_level = 1;
+				ctr1 = &r.out.ctr->ctr1;
+			} else if (ret == true && *r.out.level_out == 2 &&
+				   r.out.ctr->ctr2.mszip1.ts) {
+				out_level = 1;
+				ctr1 = &r.out.ctr->ctr2.mszip1.ts->ctr1;
+			}
+
+			if (out_level == 1) {
+				torture_comment(tctx,
+						"end[%d] tmp_highest_usn: %llu , highest_usn: %llu\n",
+						y,
+						ctr1->new_highwatermark.tmp_highest_usn,
+						ctr1->new_highwatermark.highest_usn);
+
+				if (!test_analyse_objects(tctx, ctx, nc_dn_str, &ctr1->mapping_ctr,  ctr1->object_count,
+							  ctr1->first_object, &gensec_skey)) {
+					return false;
+				}
+
+				if (ctr1->more_data) {
+					r.in.req->req5.highwatermark = ctr1->new_highwatermark;
+					continue;
+				}
+			}
+
+			if (ret == true && *r.out.level_out == 6) {
+				out_level = 6;
+				ctr6 = &r.out.ctr->ctr6;
+			} else if (ret == true && *r.out.level_out == 7
+				   && r.out.ctr->ctr7.level == 6
+				   && r.out.ctr->ctr7.type == DRSUAPI_COMPRESSION_TYPE_MSZIP
+				   && r.out.ctr->ctr7.ctr.mszip6.ts) {
+				out_level = 6;
+				ctr6 = &r.out.ctr->ctr7.ctr.mszip6.ts->ctr6;
+			} else if (ret == true && *r.out.level_out == 7
+				   && r.out.ctr->ctr7.level == 6
+				   && r.out.ctr->ctr7.type == DRSUAPI_COMPRESSION_TYPE_XPRESS
+				   && r.out.ctr->ctr7.ctr.xpress6.ts) {
+				out_level = 6;
+				ctr6 = &r.out.ctr->ctr7.ctr.xpress6.ts->ctr6;
+			}
+
+			if (out_level == 6) {
+				torture_comment(tctx,
+						"end[%d] tmp_highest_usn: %llu , highest_usn: %llu\n",
+						y,
+						ctr6->new_highwatermark.tmp_highest_usn,
+						ctr6->new_highwatermark.highest_usn);
+
+				if (!test_analyse_objects(tctx, ctx, nc_dn_str, &ctr6->mapping_ctr,  ctr6->object_count,
+							  ctr6->first_object, &gensec_skey)) {
+					return false;
+				}
+
+				if (ctr6->more_data) {
+					r.in.req->req8.highwatermark = ctr6->new_highwatermark;
+					continue;
+				}
+			}
+
+			break;
+		}
+	}
+
+	return ret;
+}
+
+/**
+ * Test DsGetNCChanges() DRSUAPI call against one
+ * or more Naming Contexts.
+ * Specific NC to test with may be supplied
+ * in lp_ctx configuration. If no NC is specified,
+ * it will test DsGetNCChanges() on all NCs on remote DC
+ */
+static bool test_FetchData(struct torture_context *tctx, struct DsSyncTest *ctx)
+{
+	bool ret = true;
+	size_t i, count;
+	const char *nc_dn_str;
+	const char **nc_list;
+
+	nc_list = const_str_list(str_list_make_empty(ctx));
+	torture_assert(tctx, nc_list, "Not enough memory!");
+
+	/* make a list of partitions to test with */
+	nc_dn_str = lpcfg_parm_string(tctx->lp_ctx, NULL, "dssync", "partition");
+	if (nc_dn_str == NULL) {
+		nc_list = str_list_add_const(nc_list, ctx->domain_dn);
+		nc_list = str_list_add_const(nc_list, ctx->config_dn);
+		nc_list = str_list_add_const(nc_list, ctx->schema_dn);
+	} else {
+		nc_list = str_list_add_const(nc_list, nc_dn_str);
+	}
+
+	count = str_list_length(nc_list);
+	for (i = 0; i < count && ret; i++) {
+		torture_comment(tctx, "\nNaming Context: %s\n", nc_list[i]);
+		ret = test_GetNCChanges(tctx, ctx, nc_list[i]);
+	}
+
+	talloc_free(nc_list);
+	return ret;
+}
+
+
+static bool test_FetchNT4Data(struct torture_context *tctx,
+			      struct DsSyncTest *ctx)
+{
+	NTSTATUS status;
+	struct drsuapi_DsGetNT4ChangeLog r;
+	union drsuapi_DsGetNT4ChangeLogRequest req;
+	union drsuapi_DsGetNT4ChangeLogInfo info;
+	uint32_t level_out = 0;
+	struct GUID null_guid;
+	struct dom_sid null_sid;
+	DATA_BLOB cookie;
+
+	ZERO_STRUCT(null_guid);
+	ZERO_STRUCT(null_sid);
+	ZERO_STRUCT(cookie);
+
+	ZERO_STRUCT(r);
+	r.in.bind_handle	= &ctx->new_dc.drsuapi.bind_handle;
+	r.in.level		= 1;
+	r.out.info		= &info;
+	r.out.level_out		= &level_out;
+
+	req.req1.flags = lpcfg_parm_int(tctx->lp_ctx, NULL,
+				     "dssync", "nt4changelog_flags",
+				     DRSUAPI_NT4_CHANGELOG_GET_CHANGELOG |
+				     DRSUAPI_NT4_CHANGELOG_GET_SERIAL_NUMBERS);
+	req.req1.preferred_maximum_length = lpcfg_parm_int(tctx->lp_ctx, NULL,
+					"dssync", "nt4changelog_preferred_len",
+					0x00004000);
+
+	while (1) {
+		req.req1.restart_length = cookie.length;
+		req.req1.restart_data = cookie.data;
+
+		r.in.req = &req;
+
+		status = dcerpc_drsuapi_DsGetNT4ChangeLog_r(ctx->new_dc.drsuapi.drs_handle, ctx, &r);
+		if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_IMPLEMENTED)) {
+			torture_skip(tctx, "DsGetNT4ChangeLog not supported by target server");
+		} else if (!NT_STATUS_IS_OK(status)) {
+			const char *errstr = nt_errstr(status);
+			if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
+				torture_skip(tctx, "DsGetNT4ChangeLog not supported by target server");
+			}
+			torture_fail(tctx,
+				     talloc_asprintf(tctx, "dcerpc_drsuapi_DsGetNT4ChangeLog failed - %s\n",
+						     errstr));
+		} else if (W_ERROR_EQUAL(r.out.result, WERR_INVALID_DOMAIN_ROLE)) {
+			torture_skip(tctx, "DsGetNT4ChangeLog not supported by target server");
+		} else if (!W_ERROR_IS_OK(r.out.result)) {
+			torture_fail(tctx,
+				     talloc_asprintf(tctx, "DsGetNT4ChangeLog failed - %s\n",
+						     win_errstr(r.out.result)));
+		} else if (*r.out.level_out != 1) {
+			torture_fail(tctx,
+				     talloc_asprintf(tctx, "DsGetNT4ChangeLog unknown level - %u\n",
+						     *r.out.level_out));
+		} else if (NT_STATUS_IS_OK(r.out.info->info1.status)) {
+		} else if (NT_STATUS_EQUAL(r.out.info->info1.status, STATUS_MORE_ENTRIES)) {
+			cookie.length	= r.out.info->info1.restart_length;
+			cookie.data	= r.out.info->info1.restart_data;
+			continue;
+		} else {
+			torture_fail(tctx,
+				     talloc_asprintf(tctx, "DsGetNT4ChangeLog failed - %s\n",
+						     nt_errstr(r.out.info->info1.status)));
+		}
+
+		break;
+	}
+
+	return true;
+}
+
+/**
+ * DSSYNC test case setup
+ */
+static bool torture_dssync_tcase_setup(struct torture_context *tctx, void **data)
+{
+	bool bret;
+	struct DsSyncTest *ctx;
+
+	*data = ctx = test_create_context(tctx);
+	torture_assert(tctx, ctx, "test_create_context() failed");
+
+	bret = _test_DsBind(tctx, ctx, ctx->admin.credentials, &ctx->admin.drsuapi);
+	torture_assert(tctx, bret, "_test_DsBind() failed");
+
+	bret = test_LDAPBind(tctx, ctx, ctx->admin.credentials, &ctx->admin.ldap);
+	torture_assert(tctx, bret, "test_LDAPBind() failed");
+
+	bret = test_GetInfo(tctx, ctx);
+	torture_assert(tctx, bret, "test_GetInfo() failed");
+
+	bret = _test_DsBind(tctx, ctx, ctx->new_dc.credentials, &ctx->new_dc.drsuapi);
+	torture_assert(tctx, bret, "_test_DsBind() failed");
+
+	return true;
+}
+
+/**
+ * DSSYNC test case cleanup
+ */
+static bool torture_dssync_tcase_teardown(struct torture_context *tctx, void *data)
+{
+	struct DsSyncTest *ctx;
+	struct drsuapi_DsUnbind r;
+	struct policy_handle bind_handle;
+
+	ctx = talloc_get_type(data, struct DsSyncTest);
+
+	ZERO_STRUCT(r);
+	r.out.bind_handle = &bind_handle;
+
+	/* Unbing admin handle */
+	r.in.bind_handle = &ctx->admin.drsuapi.bind_handle;
+	dcerpc_drsuapi_DsUnbind_r(ctx->admin.drsuapi.drs_handle, ctx, &r);
+
+	/* Unbing new_dc handle */
+	r.in.bind_handle = &ctx->new_dc.drsuapi.bind_handle;
+	dcerpc_drsuapi_DsUnbind_r(ctx->new_dc.drsuapi.drs_handle, ctx, &r);
+
+	talloc_free(ctx);
+
+	return true;
+}
+
+/**
+ * DSSYNC test case implementation
+ */
+void torture_drs_rpc_dssync_tcase(struct torture_suite *suite)
+{
+	typedef bool (*run_func) (struct torture_context *test, void *tcase_data);
+
+	struct torture_test *test;
+	struct torture_tcase *tcase = torture_suite_add_tcase(suite, "DSSYNC");
+
+	torture_tcase_set_fixture(tcase,
+				  torture_dssync_tcase_setup,
+				  torture_dssync_tcase_teardown);
+
+	test = torture_tcase_add_simple_test(tcase, "DC_FetchData", (run_func)test_FetchData);
+	test = torture_tcase_add_simple_test(tcase, "FetchNT4Data", (run_func)test_FetchNT4Data);
+}
+