1 files changed, 199 insertions, 6 deletions

diff --git a/source4/lib/ldb/modules/rdn_name.c b/source4/lib/ldb/modules/rdn_name.c
index 18ad625ee2..7ce6c29691 100644
--- a/source4/lib/ldb/modules/rdn_name.c
+++ b/source4/lib/ldb/modules/rdn_name.c
@@ -53,7 +53,7 @@ static struct ldb_message_element *rdn_name_find_attribute(const struct ldb_mess
 	return NULL;
 }
 
-static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
+static int rdn_name_add_sync(struct ldb_module *module, struct ldb_request *req)
 {
 	const struct ldb_message *msg = req->op.add.message;
 	struct ldb_message *msg2;
@@ -132,7 +132,7 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
 	return ret;
 }
 
-static int rdn_name_add_async(struct ldb_module *module, struct ldb_request *req)
+static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
 {
 	struct ldb_request *down_req;
 	struct ldb_message *msg;
@@ -147,7 +147,7 @@ static int rdn_name_add_async(struct ldb_module *module, struct ldb_request *req
 		return ldb_next_request(module, req);
 	}
 
-	down_req = talloc(module, struct ldb_request);
+	down_req = talloc(req, struct ldb_request);
 	if (down_req == NULL) {
 		return LDB_ERR_OPERATIONS_ERROR;
 	}
@@ -213,15 +213,207 @@ static int rdn_name_add_async(struct ldb_module *module, struct ldb_request *req
 	return ret;
 }
 
+struct rename_async_context {
+
+	enum {RENAME_RENAME, RENAME_MODIFY} step;
+	struct ldb_request *orig_req;
+	struct ldb_request *down_req;
+	struct ldb_request *mod_req;
+};
+
+static int rdn_name_rename(struct ldb_module *module, struct ldb_request *req)
+{
+	struct ldb_async_handle *h;
+	struct rename_async_context *ac;
+
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_rename\n");
+
+	/* do not manipulate our control entries */
+	if (ldb_dn_is_special(req->op.rename.newdn)) {
+		return ldb_next_request(module, req);
+	}
+
+	h = talloc_zero(req, struct ldb_async_handle);
+	if (h == NULL) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+
+	h->module = module;
+
+	ac = talloc_zero(h, struct rename_async_context);
+	if (ac == NULL) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+
+	h->private_data = (void *)ac;
+
+	h->state = LDB_ASYNC_INIT;
+	h->status = LDB_SUCCESS;
+
+	ac->orig_req = req;
+	ac->down_req = talloc(req, struct ldb_request);
+	if (ac->down_req == NULL) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+
+	*(ac->down_req) = *req;
+
+	ac->step = RENAME_RENAME;
+
+	req->async.handle = h;
+
+	/* rename first, modify "name" if rename is ok */
+	return ldb_next_request(module, ac->down_req);
+}
+
+static int rdn_name_rename_do_mod(struct ldb_async_handle *h) {
+
+	struct rename_async_context *ac;
+	struct ldb_dn_component *rdn;
+	struct ldb_message *msg;
+
+	ac = talloc_get_type(h->private_data, struct rename_async_context);
+
+	rdn = ldb_dn_get_rdn(ac, ac->orig_req->op.rename.newdn);
+	if (rdn == NULL) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+	
+	ac->mod_req = talloc_zero(ac, struct ldb_request);
+
+	ac->mod_req->operation = LDB_ASYNC_MODIFY;
+	ac->mod_req->op.mod.message = msg = ldb_msg_new(ac->mod_req);
+	if (msg == NULL) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+
+	msg->dn = ldb_dn_copy(msg, ac->orig_req->op.rename.newdn);
+	if (msg->dn == NULL) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+
+	if (ldb_msg_add_empty(msg, rdn->name, LDB_FLAG_MOD_REPLACE) != 0) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+	if (ldb_msg_add_value(msg, rdn->name, &rdn->value) != 0) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+	if (ldb_msg_add_empty(msg, "name", LDB_FLAG_MOD_REPLACE) != 0) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+	if (ldb_msg_add_value(msg, "name", &rdn->value) != 0) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+
+	ac->mod_req->async.timeout = ac->orig_req->async.timeout;
+
+	ac->step = RENAME_MODIFY;
+
+	/* do the mod call */
+	return ldb_next_request(h->module, ac->mod_req);
+}
+
+static int rename_async_wait(struct ldb_async_handle *handle)
+{
+	struct rename_async_context *ac;
+	int ret;
+    
+	if (!handle || !handle->private_data) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+
+	if (handle->state == LDB_ASYNC_DONE) {
+		return handle->status;
+	}
+
+	handle->state = LDB_ASYNC_PENDING;
+	handle->status = LDB_SUCCESS;
+
+	ac = talloc_get_type(handle->private_data, struct rename_async_context);
+
+	switch(ac->step) {
+	case RENAME_RENAME:
+		ret = ldb_async_wait(ac->down_req->async.handle, LDB_WAIT_NONE);
+		if (ret != LDB_SUCCESS) {
+			handle->status = ret;
+			goto done;
+		}
+		if (ac->down_req->async.handle->status != LDB_SUCCESS) {
+			handle->status = ac->down_req->async.handle->status;
+			goto done;
+		}
+
+		if (ac->down_req->async.handle->state != LDB_ASYNC_DONE) {
+			return LDB_SUCCESS;
+		}
+
+		/* rename operation done */
+		return rdn_name_rename_do_mod(handle);
+
+	case RENAME_MODIFY:
+		ret = ldb_async_wait(ac->mod_req->async.handle, LDB_WAIT_NONE);
+		if (ret != LDB_SUCCESS) {
+			handle->status = ret;
+			goto done;
+		}
+		if (ac->mod_req->async.handle->status != LDB_SUCCESS) {
+			handle->status = ac->mod_req->async.handle->status;
+			goto done;
+		}
+
+		if (ac->mod_req->async.handle->state != LDB_ASYNC_DONE) {
+			return LDB_SUCCESS;
+		}
+
+		break;
+
+	default:
+		ret = LDB_ERR_OPERATIONS_ERROR;
+		goto done;
+	}
+
+	ret = LDB_SUCCESS;
+
+done:
+	handle->state = LDB_ASYNC_DONE;
+	return ret;
+}
+
+static int rename_async_wait_all(struct ldb_async_handle *handle) {
+
+	int ret;
+
+	while (handle->state != LDB_ASYNC_DONE) {
+		ret = rename_async_wait(handle);
+		if (ret != LDB_SUCCESS) {
+			return ret;
+		}
+	}
+
+	return handle->status;
+}
+
+static int rdn_name_async_wait(struct ldb_async_handle *handle, enum ldb_async_wait_type type)
+{
+	if (type == LDB_WAIT_ALL) {
+		return rename_async_wait_all(handle);
+	} else {
+		return rename_async_wait(handle);
+	}
+}
+
 static int rdn_name_request(struct ldb_module *module, struct ldb_request *req)
 {
 	switch (req->operation) {
 
 	case LDB_REQ_ADD:
-		return rdn_name_add(module, req);
+		return rdn_name_add_sync(module, req);
 
 	case LDB_ASYNC_ADD:
-		return rdn_name_add_async(module, req);
+		return rdn_name_add(module, req);
+
+	case LDB_ASYNC_RENAME:
+		return rdn_name_rename(module, req);
 
 	default:
 		return ldb_next_request(module, req);
@@ -231,7 +423,8 @@ static int rdn_name_request(struct ldb_module *module, struct ldb_request *req)
 
 static const struct ldb_module_ops rdn_name_ops = {
 	.name              = "rdn_name",
-	.request           = rdn_name_request
+	.request           = rdn_name_request,
+	.async_wait        = rdn_name_async_wait
 };