/*
add a record to the database
*/
static int ltdb_add(struct ltdb_context *ctx)
{
struct ldb_module *module = ctx->module;
struct ldb_request *req = ctx->req;
int tret;
ldb_request_set_state(req, LDB_ASYNC_PENDING);
tret = ltdb_add_internal(module, req->op.add.message);
if (tret != LDB_SUCCESS) {
return tret;
}
return LDB_SUCCESS;
}
/*
rename a record
*/
static int ltdb_rename(struct ltdb_context *ctx)
{
struct ldb_module *module = ctx->module;
struct ldb_request *req = ctx->req;
struct ldb_message *msg;
int ret = LDB_SUCCESS;
ldb_request_set_state(req, LDB_ASYNC_PENDING);
if (ltdb_cache_load(ctx->module) != 0) {
return LDB_ERR_OPERATIONS_ERROR;
}
msg = ldb_msg_new(ctx);
if (msg == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
/* in case any attribute of the message was indexed, we need
to fetch the old record */
ret = ltdb_search_dn1(module, req->op.rename.olddn, msg);
if (ret != LDB_SUCCESS) {
/* not finding the old record is an error */
return ret;
}
/* Always delete first then add, to avoid conflicts with
* unique indexes. We rely on the transaction to make this
* atomic
*/
ret = ltdb_delete_internal(module, msg->dn);
if (ret != LDB_SUCCESS) {
return ret;
}
msg->dn = ldb_dn_copy(msg, req->op.rename.newdn);
if (msg->dn == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
/* We don't check single value as we can have more than 1 with
* deleted attributes. We could go through all elements but that's
* maybe not the most efficient way
*/
ret = ltdb_add_internal(module, msg, false);
return ret;
}
/*
add a record to the database
*/
static int ltdb_add(struct ltdb_context *ctx)
{
struct ldb_module *module = ctx->module;
struct ldb_request *req = ctx->req;
int ret = LDB_SUCCESS;
ldb_request_set_state(req, LDB_ASYNC_PENDING);
if (ltdb_cache_load(module) != 0) {
return LDB_ERR_OPERATIONS_ERROR;
}
ret = ltdb_add_internal(module, req->op.add.message);
return ret;
}
/*
rename a record
*/
static int ltdb_rename(struct ltdb_context *ctx)
{
struct ldb_module *module = ctx->module;
struct ldb_request *req = ctx->req;
struct ldb_message *msg;
int ret = LDB_SUCCESS;
ldb_request_set_state(req, LDB_ASYNC_PENDING);
if (ltdb_cache_load(ctx->module) != 0) {
return LDB_ERR_OPERATIONS_ERROR;
}
msg = talloc(ctx, struct ldb_message);
if (msg == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
/* in case any attribute of the message was indexed, we need
to fetch the old record */
ret = ltdb_search_dn1(module, req->op.rename.olddn, msg);
if (ret != LDB_SUCCESS) {
/* not finding the old record is an error */
return ret;
}
/* Always delete first then add, to avoid conflicts with
* unique indexes. We rely on the transaction to make this
* atomic
*/
ret = ltdb_delete_internal(module, msg->dn);
if (ret != LDB_SUCCESS) {
return ret;
}
msg->dn = ldb_dn_copy(msg, req->op.rename.newdn);
if (msg->dn == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
ret = ltdb_add_internal(module, msg);
return ret;
}
/*
rename a record
*/
static int ltdb_rename(struct ltdb_context *ctx)
{
struct ldb_module *module = ctx->module;
void *data = ldb_module_get_private(module);
struct ltdb_private *ltdb = talloc_get_type(data, struct ltdb_private);
struct ldb_request *req = ctx->req;
struct ldb_message *msg;
int ret = LDB_SUCCESS;
TDB_DATA tdb_key, tdb_key_old;
ldb_request_set_state(req, LDB_ASYNC_PENDING);
if (ltdb_cache_load(ctx->module) != 0) {
return LDB_ERR_OPERATIONS_ERROR;
}
msg = ldb_msg_new(ctx);
if (msg == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
/* we need to fetch the old record to re-add under the new name */
ret = ltdb_search_dn1(module, req->op.rename.olddn, msg);
if (ret != LDB_SUCCESS) {
/* not finding the old record is an error */
return ret;
}
/* We need to, before changing the DB, check if the new DN
* exists, so we can return this error to the caller with an
* unmodified DB */
tdb_key = ltdb_key(module, req->op.rename.newdn);
if (!tdb_key.dptr) {
talloc_free(msg);
return LDB_ERR_OPERATIONS_ERROR;
}
tdb_key_old = ltdb_key(module, req->op.rename.olddn);
if (!tdb_key_old.dptr) {
talloc_free(msg);
talloc_free(tdb_key.dptr);
return LDB_ERR_OPERATIONS_ERROR;
}
/* Only declare a conflict if the new DN already exists, and it isn't a case change on the old DN */
if (tdb_key_old.dsize != tdb_key.dsize || memcmp(tdb_key.dptr, tdb_key_old.dptr, tdb_key.dsize) != 0) {
if (tdb_exists(ltdb->tdb, tdb_key)) {
talloc_free(tdb_key_old.dptr);
talloc_free(tdb_key.dptr);
ldb_asprintf_errstring(ldb_module_get_ctx(module),
"Entry %s already exists",
ldb_dn_get_linearized(msg->dn));
/* finding the new record already in the DB is an error */
talloc_free(msg);
return LDB_ERR_ENTRY_ALREADY_EXISTS;
}
}
talloc_free(tdb_key_old.dptr);
talloc_free(tdb_key.dptr);
/* Always delete first then add, to avoid conflicts with
* unique indexes. We rely on the transaction to make this
* atomic
*/
ret = ltdb_delete_internal(module, msg->dn);
if (ret != LDB_SUCCESS) {
talloc_free(msg);
return ret;
}
msg->dn = ldb_dn_copy(msg, req->op.rename.newdn);
if (msg->dn == NULL) {
talloc_free(msg);
return LDB_ERR_OPERATIONS_ERROR;
}
/* We don't check single value as we can have more than 1 with
* deleted attributes. We could go through all elements but that's
* maybe not the most efficient way
*/
ret = ltdb_add_internal(module, msg, false);
talloc_free(msg);
return ret;
}
