struct asq_context {
- enum {ASQ_SEARCH_BASE, ASQ_SEARCH_MULTI} step;
+ enum {ASQ_INIT, ASQ_SEARCH_BASE, ASQ_SEARCH_MULTI} step;
struct ldb_module *module;
- void *up_context;
- int (*up_callback)(struct ldb_context *, void *, struct ldb_reply *);
+ struct ldb_request *orig_req;
+
+ struct ldb_asq_control *asq_ctrl;
const char * const *req_attrs;
char *req_attribute;
struct ldb_control **controls;
};
-static struct ldb_handle *init_handle(void *mem_ctx, struct ldb_module *module,
- void *context,
- int (*callback)(struct ldb_context *, void *, struct ldb_reply *))
+static struct ldb_handle *init_handle(struct ldb_request *req, struct ldb_module *module)
{
struct asq_context *ac;
struct ldb_handle *h;
- h = talloc_zero(mem_ctx, struct ldb_handle);
+ h = talloc_zero(req, struct ldb_handle);
if (h == NULL) {
ldb_set_errstring(module->ldb, "Out of Memory");
return NULL;
h->state = LDB_ASYNC_INIT;
h->status = LDB_SUCCESS;
+ ac->step = ASQ_INIT;
ac->module = module;
- ac->up_context = context;
- ac->up_callback = callback;
+ ac->orig_req = req;
return h;
}
int i;
ac = talloc_get_type(handle->private_data, struct asq_context);
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
handle->status = LDB_SUCCESS;
handle->state = LDB_ASYNC_DONE;
if (ac->controls) {
for (i = 0; ac->controls[i]; i++);
- ares->controls = talloc_steal(ares, ac->controls);
+ ares->controls = talloc_move(ares, &ac->controls);
} else {
i = 0;
}
ares->controls[i + 1] = NULL;
- ac->up_callback(ac->module->ldb, ac->up_context, ares);
+ ac->orig_req->callback(ac->module->ldb, ac->orig_req->context, ares);
return LDB_SUCCESS;
}
}
ac = talloc_get_type(context, struct asq_context);
+ if (ac == NULL) {
+ goto error;
+ }
/* we are interested only in the single reply (base search) we receive here */
if (ares->type == LDB_REPLY_ENTRY) {
- ac->base_res = talloc_steal(ac, ares);
+ ac->base_res = talloc_move(ac, &ares);
} else {
talloc_free(ares);
}
}
ac = talloc_get_type(context, struct asq_context);
+ if (ac == NULL) {
+ goto error;
+ }
/* we are interested only in the single reply (base search) we receive here */
if (ares->type == LDB_REPLY_ENTRY) {
/* pass the message up to the original callback as we
* do not have to elaborate on it any further */
- return ac->up_callback(ac->module->ldb, ac->up_context, ares);
+ return ac->orig_req->callback(ac->module->ldb, ac->orig_req->context, ares);
} else { /* ignore any REFERRAL or DONE reply */
talloc_free(ares);
return LDB_ERR_OPERATIONS_ERROR;
}
-static int asq_search(struct ldb_module *module, struct ldb_request *req)
+static int asq_build_first_request(struct asq_context *ac)
{
- struct ldb_control *control;
- struct ldb_asq_control *asq_ctrl;
- struct asq_context *ac;
- struct ldb_handle *h;
char **base_attrs;
- int ret;
-
- /* check if there's a paged request control */
- control = get_control_from_list(req->controls, LDB_CONTROL_ASQ_OID);
- if (control == NULL) {
- /* not found go on */
- return ldb_next_request(module, req);
- }
- req->handle = NULL;
+ ac->base_req = talloc_zero(ac, struct ldb_request);
+ if (ac->base_req == NULL) return LDB_ERR_OPERATIONS_ERROR;
- if (!req->callback || !req->context) {
- ldb_set_errstring(module->ldb,
- "Async interface called with NULL callback function or NULL context");
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- asq_ctrl = talloc_get_type(control->data, struct ldb_asq_control);
- if (!asq_ctrl) {
- return LDB_ERR_PROTOCOL_ERROR;
- }
-
- h = init_handle(req, module, req->context, req->callback);
- if (!h) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ac = talloc_get_type(h->private_data, struct asq_context);
-
- req->handle = h;
-
- /* check the search is well formed */
- if (req->op.search.scope != LDB_SCOPE_BASE) {
- ac->asq_ret = ASQ_CTRL_UNWILLING_TO_PERFORM;
- return asq_terminate(h);
- }
-
- ac->req_attrs = req->op.search.attrs;
- ac->req_attribute = talloc_strdup(ac, asq_ctrl->source_attribute);
- if (ac->req_attribute == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
-
- /* get the object to retrieve the DNs to search */
- ac->base_req = talloc_zero(req, struct ldb_request);
- if (ac->base_req == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
- ac->base_req->operation = req->operation;
- ac->base_req->op.search.base = req->op.search.base;
+ ac->base_req->operation = ac->orig_req->operation;
+ ac->base_req->op.search.base = ac->orig_req->op.search.base;
ac->base_req->op.search.scope = LDB_SCOPE_BASE;
- ac->base_req->op.search.tree = req->op.search.tree;
+ ac->base_req->op.search.tree = ac->orig_req->op.search.tree;
base_attrs = talloc_array(ac->base_req, char *, 2);
- if (base_attrs == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
- base_attrs[0] = talloc_strdup(base_attrs, asq_ctrl->source_attribute);
- if (base_attrs[0] == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
+ if (base_attrs == NULL) return LDB_ERR_OPERATIONS_ERROR;
+
+ base_attrs[0] = talloc_strdup(base_attrs, ac->asq_ctrl->source_attribute);
+ if (base_attrs[0] == NULL) return LDB_ERR_OPERATIONS_ERROR;
+
base_attrs[1] = NULL;
ac->base_req->op.search.attrs = (const char * const *)base_attrs;
ac->base_req->context = ac;
ac->base_req->callback = asq_base_callback;
- ldb_set_timeout_from_prev_req(module->ldb, req, ac->base_req);
-
- ac->step = ASQ_SEARCH_BASE;
-
- ret = ldb_request(module->ldb, ac->base_req);
-
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->base_req);
return LDB_SUCCESS;
}
-static int asq_requests(struct ldb_handle *handle) {
- struct asq_context *ac;
+static int asq_build_multiple_requests(struct asq_context *ac, struct ldb_handle *handle)
+{
struct ldb_message_element *el;
int i;
- ac = talloc_get_type(handle->private_data, struct asq_context);
-
/* look up the DNs */
if (ac->base_res == NULL) {
return LDB_ERR_NO_SUCH_OBJECT;
return asq_terminate(handle);
}
- /* build up the requests call chain */
ac->num_reqs = el->num_values;
ac->cur_req = 0;
ac->reqs = talloc_array(ac, struct ldb_request *, ac->num_reqs);
if (ac->reqs[i] == NULL)
return LDB_ERR_OPERATIONS_ERROR;
ac->reqs[i]->operation = LDB_SEARCH;
- ac->reqs[i]->op.search.base = ldb_dn_explode(ac->reqs[i], (const char *)el->values[i].data);
- if (ac->reqs[i]->op.search.base == NULL) {
+ ac->reqs[i]->op.search.base = ldb_dn_new(ac->reqs[i], ac->module->ldb, (const char *)el->values[i].data);
+ if ( ! ldb_dn_validate(ac->reqs[i]->op.search.base)) {
ac->asq_ret = ASQ_CTRL_INVALID_ATTRIBUTE_SYNTAX;
return asq_terminate(handle);
}
ldb_set_timeout_from_prev_req(ac->module->ldb, ac->base_req, ac->reqs[i]);
}
- ac->step = ASQ_SEARCH_MULTI;
-
return LDB_SUCCESS;
}
-static int asq_wait_none(struct ldb_handle *handle)
+static int asq_search_continue(struct ldb_handle *handle)
{
struct asq_context *ac;
int ret;
return handle->status;
}
- handle->state = LDB_ASYNC_PENDING;
- handle->status = LDB_SUCCESS;
-
ac = talloc_get_type(handle->private_data, struct asq_context);
-
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
switch (ac->step) {
+ case ASQ_INIT:
+ /* check the search is well formed */
+ if (ac->orig_req->op.search.scope != LDB_SCOPE_BASE) {
+ ac->asq_ret = ASQ_CTRL_UNWILLING_TO_PERFORM;
+ return asq_terminate(handle);
+ }
+
+ ac->req_attrs = ac->orig_req->op.search.attrs;
+ ac->req_attribute = talloc_strdup(ac, ac->asq_ctrl->source_attribute);
+ if (ac->req_attribute == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ /* get the object to retrieve the DNs to search */
+ ret = asq_build_first_request(ac);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ac->step = ASQ_SEARCH_BASE;
+
+ handle->state = LDB_ASYNC_PENDING;
+ handle->status = LDB_SUCCESS;
+
+ return ldb_request(ac->module->ldb, ac->base_req);
+
case ASQ_SEARCH_BASE:
+
ret = ldb_wait(ac->base_req->handle, LDB_WAIT_NONE);
if (ret != LDB_SUCCESS) {
handle->status = ac->base_req->handle->status;
goto done;
}
- if (ac->base_req->handle->state != LDB_ASYNC_DONE) {
- return LDB_SUCCESS;
- }
- ret = asq_requests(handle);
+ if (ac->base_req->handle->state == LDB_ASYNC_DONE) {
- case ASQ_SEARCH_MULTI:
-
- if (ac->reqs[ac->cur_req]->handle == NULL) {
- ret = ldb_request(ac->module->ldb, ac->reqs[ac->cur_req]);
+ /* build up the requests call chain */
+ ret = asq_build_multiple_requests(ac, handle);
if (ret != LDB_SUCCESS) {
return ret;
}
+ if (handle->state == LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ ac->step = ASQ_SEARCH_MULTI;
+
+ return ldb_request(ac->module->ldb, ac->reqs[ac->cur_req]);
}
+ /* request still pending, return to cycle again */
+ return LDB_SUCCESS;
+
+ case ASQ_SEARCH_MULTI:
+
ret = ldb_wait(ac->reqs[ac->cur_req]->handle, LDB_WAIT_NONE);
if (ret != LDB_SUCCESS) {
if (ac->reqs[ac->cur_req]->handle->state == LDB_ASYNC_DONE) {
ac->cur_req++;
- }
- if (ac->cur_req < ac->num_reqs) {
- return LDB_SUCCESS;
+ if (ac->cur_req < ac->num_reqs) {
+ return ldb_request(ac->module->ldb, ac->reqs[ac->cur_req]);
+ }
+
+ return asq_terminate(handle);
}
- return asq_terminate(handle);
+ /* request still pending, return to cycle again */
+ return LDB_SUCCESS;
default:
ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
+ break;
}
- ret = LDB_SUCCESS;
-
done:
handle->state = LDB_ASYNC_DONE;
return ret;
}
+static int asq_search(struct ldb_module *module, struct ldb_request *req)
+{
+ struct ldb_control *control;
+ struct asq_context *ac;
+ struct ldb_handle *h;
+
+ /* check if there's a paged request control */
+ control = ldb_request_get_control(req, LDB_CONTROL_ASQ_OID);
+ if (control == NULL) {
+ /* not found go on */
+ return ldb_next_request(module, req);
+ }
+
+ req->handle = NULL;
+
+ if (!req->callback || !req->context) {
+ ldb_set_errstring(module->ldb,
+ "Async interface called with NULL callback function or NULL context");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ h = init_handle(req, module);
+ if (!h) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac = talloc_get_type(h->private_data, struct asq_context);
+
+ ac->asq_ctrl = talloc_get_type(control->data, struct ldb_asq_control);
+ if (!ac->asq_ctrl) {
+ return LDB_ERR_PROTOCOL_ERROR;
+ }
+
+ req->handle = h;
+
+ return asq_search_continue(h);
+}
+
static int asq_wait_all(struct ldb_handle *handle)
{
int ret;
while (handle->state != LDB_ASYNC_DONE) {
- ret = asq_wait_none(handle);
+ ret = asq_search_continue(handle);
if (ret != LDB_SUCCESS) {
return ret;
}
if (type == LDB_WAIT_ALL) {
return asq_wait_all(handle);
} else {
- return asq_wait_none(handle);
+ return asq_search_continue(handle);
}
}
ret = ldb_request(module->ldb, req);
if (ret != LDB_SUCCESS) {
- ldb_debug(module->ldb, LDB_DEBUG_ERROR, "asq: Unable to register control with rootdse!\n");
- return LDB_ERR_OTHER;
+ ldb_debug(module->ldb, LDB_DEBUG_WARNING, "asq: Unable to register control with rootdse!\n");
}
return ldb_next_init(module);
git.samba.org / kamenim / samba.git / blobdiff