/*
* Attempt to modify an objectSID DSDB_CONTROL_REPLICATED_UPDATE_OID set
* this should succeed
*/
static void test_modify_of_objectSID_replicated(void **state)
{
struct ldbtest_ctx *test_ctx =
talloc_get_type_abort(*state, struct ldbtest_ctx);
struct ldb_context *ldb = test_ctx->ldb;
struct ldb_message *msg = ldb_msg_new(test_ctx);
struct ldb_message_element *el = NULL;
struct ldb_request *request = NULL;
struct ldb_request *original_request = NULL;
int rc;
msg->dn = ldb_dn_new(msg, ldb, "dc=test");
add_sid(msg, LOCAL_SID);
rc = ldb_build_mod_req(
&request,
test_ctx->ldb,
test_ctx,
msg,
NULL,
NULL,
ldb_op_default_callback,
NULL);
assert_int_equal(rc, LDB_SUCCESS);
assert_non_null(request);
original_request = request;
rc = ldb_request_add_control(
request,
DSDB_CONTROL_REPLICATED_UPDATE_OID,
false,
NULL);
assert_int_equal(rc, LDB_SUCCESS);
rc = unique_object_sids_modify(test_ctx->module, request);
assert_int_equal(rc, LDB_SUCCESS);
/*
* Check that a copy of the request was passed to the next module
* and not the original request
*/
assert_ptr_not_equal(last_request, original_request);
/*
* Check the flag was set on the request passed to the next
* module
*/
el = ldb_msg_find_element(last_request->op.add.message, "objectSID");
assert_non_null(el);
assert_true(el->flags & LDB_FLAG_INTERNAL_FORCE_UNIQUE_INDEX);
/*
* Check the flag was not set on the original request
*/
el = ldb_msg_find_element(request->op.add.message, "objectSID");
assert_non_null(el);
assert_false(el->flags & LDB_FLAG_INTERNAL_FORCE_UNIQUE_INDEX);
}
/*
* Attempt to modify an objectSID DSDB_CONTROL_REPLICATED_UPDATE_OID not set
* this should fail with LDB_ERR_UNWILLING_TO_PERFORM
*/
static void test_modify_of_objectSID_not_replicated(void **state)
{
struct ldbtest_ctx *test_ctx =
talloc_get_type_abort(*state, struct ldbtest_ctx);
struct ldb_context *ldb = test_ctx->ldb;
struct ldb_message *msg = ldb_msg_new(test_ctx);
struct ldb_request *request = NULL;
int rc;
msg->dn = ldb_dn_new(msg, ldb, "dc=test");
add_sid(msg, LOCAL_SID);
rc = ldb_build_mod_req(
&request,
test_ctx->ldb,
test_ctx,
msg,
NULL,
NULL,
ldb_op_default_callback,
NULL);
assert_int_equal(rc, LDB_SUCCESS);
assert_non_null(request);
rc = unique_object_sids_modify(test_ctx->module, request);
assert_int_equal(rc, LDB_ERR_UNWILLING_TO_PERFORM);
}
/* Modify the local record. */
static int map_modify_do_local(struct map_context *ac)
{
struct ldb_request *local_req;
struct ldb_context *ldb;
int ret;
ldb = ldb_module_get_ctx(ac->module);
if (ac->local_dn == NULL) {
/* No local record present, add it instead */
/* Add local 'IS_MAPPED' */
/* TODO: use GUIDs here instead */
if (ldb_msg_add_empty(ac->local_msg, IS_MAPPED,
LDB_FLAG_MOD_ADD, NULL) != 0) {
return LDB_ERR_OPERATIONS_ERROR;
}
ret = ldb_msg_add_linearized_dn(ac->local_msg, IS_MAPPED,
ac->remote_req->op.mod.message->dn);
if (ret != 0) {
return LDB_ERR_OPERATIONS_ERROR;
}
/* Prepare the local operation */
ret = ldb_build_add_req(&local_req, ldb, ac,
ac->local_msg,
ac->req->controls,
ac,
map_op_local_callback,
ac->req);
LDB_REQ_SET_LOCATION(local_req);
if (ret != LDB_SUCCESS) {
return LDB_ERR_OPERATIONS_ERROR;
}
} else {
/* Prepare the local operation */
ret = ldb_build_mod_req(&local_req, ldb, ac,
ac->local_msg,
ac->req->controls,
ac,
map_op_local_callback,
ac->req);
LDB_REQ_SET_LOCATION(local_req);
if (ret != LDB_SUCCESS) {
return LDB_ERR_OPERATIONS_ERROR;
}
}
return ldb_next_request(ac->module, local_req);
}
/*
* Test the a modify with no object SID is passed through correctly
*
*/
static void test_modify_no_objectSID(void **state)
{
struct ldbtest_ctx *test_ctx =
talloc_get_type_abort(*state, struct ldbtest_ctx);
struct ldb_context *ldb = test_ctx->ldb;
struct ldb_message *msg = ldb_msg_new(test_ctx);
struct ldb_request *request = NULL;
struct ldb_request *original_request = NULL;
int rc;
msg->dn = ldb_dn_new(msg, ldb, "dc=test");
assert_int_equal(LDB_SUCCESS, ldb_msg_add_string(msg, "cn", "test"));
rc = ldb_build_mod_req(
&request,
test_ctx->ldb,
test_ctx,
msg,
NULL,
NULL,
ldb_op_default_callback,
NULL);
assert_int_equal(rc, LDB_SUCCESS);
assert_non_null(request);
original_request = request;
rc = unique_object_sids_modify(test_ctx->module, request);
assert_int_equal(rc, LDB_SUCCESS);
/*
* Check that the original request was passed to the next module
* and not a copy
*/
assert_ptr_equal(last_request, original_request);
}
/**
* Commits a list of replicated objects.
*
* @param working_schema dsdb_schema to be used for resolving
* Classes/Attributes during Schema replication. If not NULL,
* it will be set on ldb and used while committing replicated objects
*/
WERROR dsdb_replicated_objects_commit(struct ldb_context *ldb,
struct dsdb_schema *working_schema,
struct dsdb_extended_replicated_objects *objects,
uint64_t *notify_uSN)
{
WERROR werr;
struct ldb_result *ext_res;
struct dsdb_schema *cur_schema = NULL;
struct dsdb_schema *new_schema = NULL;
int ret;
uint64_t seq_num1, seq_num2;
bool used_global_schema = false;
TALLOC_CTX *tmp_ctx = talloc_new(objects);
if (!tmp_ctx) {
DEBUG(0,("Failed to start talloc\n"));
return WERR_NOMEM;
}
/* TODO: handle linked attributes */
/* 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,(__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);
TALLOC_FREE(tmp_ctx);
return WERR_FOOBAR;
}
/*
* Set working_schema for ldb in case we are replicating from Schema NC.
* Schema won't be reloaded during Replicated Objects commit, as it is
* done in a transaction. So we need some way to search for newly
* added Classes and Attributes
*/
if (working_schema) {
/* store current schema so we can fall back in case of failure */
cur_schema = dsdb_get_schema(ldb, tmp_ctx);
used_global_schema = dsdb_uses_global_schema(ldb);
ret = dsdb_reference_schema(ldb, working_schema, false);
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ "Failed to reference working schema - %s\n",
ldb_strerror(ret)));
/* TODO: Map LDB Error to NTSTATUS? */
ldb_transaction_cancel(ldb);
TALLOC_FREE(tmp_ctx);
return WERR_INTERNAL_ERROR;
}
}
ret = ldb_extended(ldb, DSDB_EXTENDED_REPLICATED_OBJECTS_OID, objects, &ext_res);
if (ret != LDB_SUCCESS) {
/* restore previous schema */
if (used_global_schema) {
dsdb_set_global_schema(ldb);
} else if (cur_schema) {
dsdb_reference_schema(ldb, cur_schema, false);
}
DEBUG(0,("Failed to apply records: %s: %s\n",
ldb_errstring(ldb), ldb_strerror(ret)));
ldb_transaction_cancel(ldb);
TALLOC_FREE(tmp_ctx);
return WERR_FOOBAR;
}
talloc_free(ext_res);
/* Save our updated prefixMap */
if (working_schema) {
werr = dsdb_write_prefixes_from_schema_to_ldb(working_schema,
ldb,
working_schema);
if (!W_ERROR_IS_OK(werr)) {
/* restore previous schema */
if (used_global_schema) {
dsdb_set_global_schema(ldb);
} else if (cur_schema ) {
dsdb_reference_schema(ldb, cur_schema, false);
}
DEBUG(0,("Failed to save updated prefixMap: %s\n",
win_errstr(werr)));
TALLOC_FREE(tmp_ctx);
return werr;
}
}
ret = ldb_transaction_prepare_commit(ldb);
if (ret != LDB_SUCCESS) {
/* restore previous schema */
if (used_global_schema) {
dsdb_set_global_schema(ldb);
} else if (cur_schema ) {
dsdb_reference_schema(ldb, cur_schema, false);
}
DEBUG(0,(__location__ " Failed to prepare commit of transaction: %s\n",
ldb_errstring(ldb)));
TALLOC_FREE(tmp_ctx);
return WERR_FOOBAR;
}
ret = dsdb_load_partition_usn(ldb, objects->partition_dn, &seq_num2, NULL);
if (ret != LDB_SUCCESS) {
/* restore previous schema */
if (used_global_schema) {
dsdb_set_global_schema(ldb);
} else if (cur_schema ) {
dsdb_reference_schema(ldb, cur_schema, false);
}
DEBUG(0,(__location__ " Failed to load partition uSN\n"));
ldb_transaction_cancel(ldb);
TALLOC_FREE(tmp_ctx);
return WERR_FOOBAR;
}
ret = ldb_transaction_commit(ldb);
if (ret != LDB_SUCCESS) {
/* restore previous schema */
if (used_global_schema) {
dsdb_set_global_schema(ldb);
} else if (cur_schema ) {
dsdb_reference_schema(ldb, cur_schema, false);
}
DEBUG(0,(__location__ " Failed to commit transaction\n"));
TALLOC_FREE(tmp_ctx);
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;
}
/*
* Reset the Schema used by ldb. This will lead to
* a schema cache being refreshed from database.
*/
if (working_schema) {
struct ldb_message *msg;
struct ldb_request *req;
/* Force a reload */
working_schema->last_refresh = 0;
new_schema = dsdb_get_schema(ldb, tmp_ctx);
/* TODO:
* If dsdb_get_schema() fails, we just fall back
* to what we had. However, the database is probably
* unable to operate for other users from this
* point... */
if (new_schema && used_global_schema) {
dsdb_make_schema_global(ldb, new_schema);
} else if (used_global_schema) {
DEBUG(0,("Failed to re-load schema after commit of transaction\n"));
dsdb_set_global_schema(ldb);
TALLOC_FREE(tmp_ctx);
return WERR_INTERNAL_ERROR;
} else {
DEBUG(0,("Failed to re-load schema after commit of transaction\n"));
dsdb_reference_schema(ldb, cur_schema, false);
TALLOC_FREE(tmp_ctx);
return WERR_INTERNAL_ERROR;
}
msg = ldb_msg_new(tmp_ctx);
if (msg == NULL) {
TALLOC_FREE(tmp_ctx);
return WERR_NOMEM;
}
msg->dn = ldb_dn_new(msg, ldb, "");
if (msg->dn == NULL) {
TALLOC_FREE(tmp_ctx);
return WERR_NOMEM;
}
ret = ldb_msg_add_string(msg, "schemaUpdateNow", "1");
if (ret != LDB_SUCCESS) {
TALLOC_FREE(tmp_ctx);
return WERR_INTERNAL_ERROR;
}
ret = ldb_build_mod_req(&req, ldb, objects,
msg,
NULL,
NULL,
ldb_op_default_callback,
NULL);
if (ret != LDB_SUCCESS) {
TALLOC_FREE(tmp_ctx);
return WERR_DS_DRA_INTERNAL_ERROR;
}
ret = ldb_transaction_start(ldb);
if (ret != LDB_SUCCESS) {
TALLOC_FREE(tmp_ctx);
DEBUG(0, ("Autotransaction start failed\n"));
return WERR_DS_DRA_INTERNAL_ERROR;
}
ret = ldb_request(ldb, req);
if (ret == LDB_SUCCESS) {
ret = ldb_wait(req->handle, LDB_WAIT_ALL);
}
if (ret == LDB_SUCCESS) {
ret = ldb_transaction_commit(ldb);
} else {
DEBUG(0, ("Schema update now failed: %s\n",
ldb_errstring(ldb)));
ldb_transaction_cancel(ldb);
}
if (ret != LDB_SUCCESS) {
DEBUG(0, ("Commit failed: %s\n", ldb_errstring(ldb)));
TALLOC_FREE(tmp_ctx);
return WERR_DS_INTERNAL_FAILURE;
}
}
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)));
TALLOC_FREE(tmp_ctx);
return WERR_OK;
}
static int rdn_rename_callback(struct ldb_request *req, struct ldb_reply *ares)
{
struct ldb_context *ldb;
struct rename_context *ac;
struct ldb_request *mod_req;
const char *rdn_name;
struct ldb_val rdn_val;
struct ldb_message *msg;
int ret;
ac = talloc_get_type(req->context, struct rename_context);
ldb = ldb_module_get_ctx(ac->module);
if (!ares) {
goto error;
}
if (ares->error != LDB_SUCCESS) {
return ldb_module_done(ac->req, ares->controls,
ares->response, ares->error);
}
/* the only supported reply right now is a LDB_REPLY_DONE */
if (ares->type != LDB_REPLY_DONE) {
goto error;
}
/* save reply for caller */
ac->ares = talloc_steal(ac, ares);
msg = ldb_msg_new(ac);
if (msg == NULL) {
goto error;
}
msg->dn = ldb_dn_copy(msg, ac->req->op.rename.newdn);
if (msg->dn == NULL) {
goto error;
}
rdn_name = ldb_dn_get_rdn_name(ac->req->op.rename.newdn);
if (rdn_name == NULL) {
goto error;
}
rdn_val = ldb_val_dup(msg, ldb_dn_get_rdn_val(ac->req->op.rename.newdn));
if (ldb_msg_add_empty(msg, rdn_name, LDB_FLAG_MOD_REPLACE, NULL) != 0) {
goto error;
}
if (ldb_msg_add_value(msg, rdn_name, &rdn_val, NULL) != 0) {
goto error;
}
if (ldb_msg_add_empty(msg, "name", LDB_FLAG_MOD_REPLACE, NULL) != 0) {
goto error;
}
if (ldb_msg_add_value(msg, "name", &rdn_val, NULL) != 0) {
goto error;
}
ret = ldb_build_mod_req(&mod_req, ldb,
ac, msg, NULL,
ac, rdn_modify_callback,
req);
if (ret != LDB_SUCCESS) {
return ldb_module_done(ac->req, NULL, NULL, ret);
}
talloc_steal(mod_req, msg);
/* go on with the call chain */
return ldb_next_request(ac->module, mod_req);
error:
return ldb_module_done(ac->req, NULL, NULL,
LDB_ERR_OPERATIONS_ERROR);
}
/* Modify a record. */
int ldb_map_modify(struct ldb_module *module, struct ldb_request *req)
{
const struct ldb_message *msg = req->op.mod.message;
struct ldb_request *search_req = NULL;
struct ldb_message *remote_msg;
struct ldb_context *ldb;
struct map_context *ac;
int ret;
ldb = ldb_module_get_ctx(module);
/* Do not manipulate our control entries */
if (ldb_dn_is_special(msg->dn)) {
return ldb_next_request(module, req);
}
/* No mapping requested (perhaps no DN mapping specified), skip to next module */
if (!ldb_dn_check_local(module, msg->dn)) {
return ldb_next_request(module, req);
}
/* No mapping needed, skip to next module */
/* TODO: What if the remote part exists, the local doesn't,
* and this request wants to modify local data and thus
* add the local record? */
if (!ldb_msg_check_remote(module, msg)) {
return LDB_ERR_OPERATIONS_ERROR;
}
/* Prepare context and handle */
ac = map_init_context(module, req);
if (ac == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
/* Prepare the local message */
ac->local_msg = ldb_msg_new(ac);
if (ac->local_msg == NULL) {
map_oom(module);
return LDB_ERR_OPERATIONS_ERROR;
}
ac->local_msg->dn = msg->dn;
/* Prepare the remote message */
remote_msg = ldb_msg_new(ac->remote_req);
if (remote_msg == NULL) {
map_oom(module);
return LDB_ERR_OPERATIONS_ERROR;
}
remote_msg->dn = ldb_dn_map_local(ac->module, remote_msg, msg->dn);
/* Split local from remote message */
ldb_msg_partition(module, req->operation, ac->local_msg, remote_msg, msg);
/* Prepare the remote operation */
ret = ldb_build_mod_req(&ac->remote_req, ldb,
ac, remote_msg,
req->controls,
ac, map_op_remote_callback,
req);
LDB_REQ_SET_LOCATION(ac->remote_req);
if (ret != LDB_SUCCESS) {
return LDB_ERR_OPERATIONS_ERROR;
}
if ((ac->local_msg->num_elements == 0) ||
( ! map_check_local_db(ac->module))) {
/* No local data or db, just run the remote request */
return ldb_next_remote_request(ac->module, ac->remote_req);
}
/* prepare the search operation */
ret = map_search_self_req(&search_req, ac, msg->dn);
if (ret != LDB_SUCCESS) {
return LDB_ERR_OPERATIONS_ERROR;
}
return ldb_next_request(module, search_req);
}
