/*
ldb database library
- Copyright (C) Simo Sorce 2005
+ Copyright (C) Simo Sorce 2005-2008
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
*
* Component: ldb attribute scoped query control module
*
- * Description: this module searches all the the objects pointed
- * by the DNs contained in the references attribute
+ * Description: this module searches all the objects pointed by
+ * the DNs contained in the references attribute
*
* Author: Simo Sorce
*/
-#include "ldb_includes.h"
+#include "replace.h"
+#include "system/filesys.h"
+#include "system/time.h"
+#include "ldb_module.h"
struct asq_context {
- enum {ASQ_INIT, ASQ_SEARCH_BASE, ASQ_SEARCH_MULTI} step;
+ enum {ASQ_SEARCH_BASE, ASQ_SEARCH_MULTI} step;
struct ldb_module *module;
- struct ldb_request *orig_req;
+ struct ldb_request *req;
struct ldb_asq_control *asq_ctrl;
ASQ_CTRL_AFFECTS_MULTIPLE_DSA = 71
} asq_ret;
- struct ldb_request *base_req;
struct ldb_reply *base_res;
struct ldb_request **reqs;
- int num_reqs;
- int cur_req;
+ unsigned int num_reqs;
+ unsigned int cur_req;
struct ldb_control **controls;
};
-static struct ldb_handle *init_handle(struct ldb_request *req, struct ldb_module *module)
+static struct asq_context *asq_context_init(struct ldb_module *module, struct ldb_request *req)
{
+ struct ldb_context *ldb;
struct asq_context *ac;
- struct ldb_handle *h;
-
- h = talloc_zero(req, struct ldb_handle);
- if (h == NULL) {
- ldb_set_errstring(module->ldb, "Out of Memory");
- return NULL;
- }
- h->module = module;
+ ldb = ldb_module_get_ctx(module);
- ac = talloc_zero(h, struct asq_context);
+ ac = talloc_zero(req, struct asq_context);
if (ac == NULL) {
- ldb_set_errstring(module->ldb, "Out of Memory");
- talloc_free(h);
+ ldb_oom(ldb);
return NULL;
}
- h->private_data = (void *)ac;
-
- h->state = LDB_ASYNC_INIT;
- h->status = LDB_SUCCESS;
-
- ac->step = ASQ_INIT;
ac->module = module;
- ac->orig_req = req;
+ ac->req = req;
- return h;
+ return ac;
}
-static int asq_terminate(struct ldb_handle *handle)
+static int asq_search_continue(struct asq_context *ac);
+
+static int asq_search_terminate(struct asq_context *ac)
{
- struct asq_context *ac;
- struct ldb_reply *ares;
struct ldb_asq_control *asq;
- 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;
-
- ares = talloc_zero(ac, struct ldb_reply);
- if (ares == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
-
- ares->type = LDB_REPLY_DONE;
+ unsigned int i;
if (ac->controls) {
- for (i = 0; ac->controls[i]; i++);
- ares->controls = talloc_move(ares, &ac->controls);
+ for (i = 0; ac->controls[i]; i++) /* count em */ ;
} else {
i = 0;
}
- ares->controls = talloc_realloc(ares, ares->controls, struct ldb_control *, i + 2);
-
- if (ares->controls == NULL)
+ ac->controls = talloc_realloc(ac, ac->controls, struct ldb_control *, i + 2);
+
+ if (ac->controls == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
+ }
- ares->controls[i] = talloc(ares->controls, struct ldb_control);
- if (ares->controls[i] == NULL)
+ ac->controls[i] = talloc(ac->controls, struct ldb_control);
+ if (ac->controls[i] == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
+ }
- ares->controls[i]->oid = LDB_CONTROL_ASQ_OID;
- ares->controls[i]->critical = 0;
+ ac->controls[i]->oid = LDB_CONTROL_ASQ_OID;
+ ac->controls[i]->critical = 0;
- asq = talloc_zero(ares->controls[i], struct ldb_asq_control);
+ asq = talloc_zero(ac->controls[i], struct ldb_asq_control);
if (asq == NULL)
return LDB_ERR_OPERATIONS_ERROR;
asq->result = ac->asq_ret;
-
- ares->controls[i]->data = asq;
- ares->controls[i + 1] = NULL;
+ ac->controls[i]->data = asq;
- ac->orig_req->callback(ac->module->ldb, ac->orig_req->context, ares);
+ ac->controls[i + 1] = NULL;
- return LDB_SUCCESS;
+ return ldb_module_done(ac->req, ac->controls, NULL, LDB_SUCCESS);
}
-static int asq_base_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+static int asq_base_callback(struct ldb_request *req, struct ldb_reply *ares)
{
struct asq_context *ac;
+ int ret;
- if (!context || !ares) {
- ldb_set_errstring(ldb, "NULL Context or Result in callback");
- goto error;
- }
+ ac = talloc_get_type(req->context, struct asq_context);
- ac = talloc_get_type(context, struct asq_context);
- if (ac == NULL) {
- goto error;
+ if (!ares) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
}
- /* we are interested only in the single reply (base search) we receive here */
- if (ares->type == LDB_REPLY_ENTRY) {
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
ac->base_res = talloc_move(ac, &ares);
- } else {
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ /* ignore referrals */
+ talloc_free(ares);
+ break;
+
+ case LDB_REPLY_DONE:
+
talloc_free(ares);
- }
+ /* next step */
+ ret = asq_search_continue(ac);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+ break;
+
+ }
return LDB_SUCCESS;
-error:
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
}
-static int asq_reqs_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+static int asq_reqs_callback(struct ldb_request *req, struct ldb_reply *ares)
{
struct asq_context *ac;
+ int ret;
- if (!context || !ares) {
- ldb_set_errstring(ldb, "NULL Context or Result in callback");
- goto error;
- }
+ ac = talloc_get_type(req->context, struct asq_context);
- ac = talloc_get_type(context, struct asq_context);
- if (ac == NULL) {
- goto error;
+ if (!ares) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
}
- /* we are interested only in the single reply (base search) we receive here */
- if (ares->type == LDB_REPLY_ENTRY) {
-
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
/* pass the message up to the original callback as we
* do not have to elaborate on it any further */
- return ac->orig_req->callback(ac->module->ldb, ac->orig_req->context, ares);
-
- } else { /* ignore any REFERRAL or DONE reply */
+ ret = ldb_module_send_entry(ac->req, ares->message, ares->controls);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
talloc_free(ares);
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ /* ignore referrals */
+ talloc_free(ares);
+ break;
+
+ case LDB_REPLY_DONE:
+
+ talloc_free(ares);
+
+ ret = asq_search_continue(ac);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+ break;
}
return LDB_SUCCESS;
-error:
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
}
-static int asq_build_first_request(struct asq_context *ac)
+static int asq_build_first_request(struct asq_context *ac, struct ldb_request **base_req)
{
- char **base_attrs;
+ struct ldb_context *ldb;
+ const char **base_attrs;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
- ac->base_req = talloc_zero(ac, struct ldb_request);
- if (ac->base_req == NULL) return LDB_ERR_OPERATIONS_ERROR;
+ ac->req_attrs = ac->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;
- 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 = ac->orig_req->op.search.tree;
- base_attrs = talloc_array(ac->base_req, char *, 2);
+ base_attrs = talloc_array(ac, const char *, 2);
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(ac->module->ldb, ac->orig_req, ac->base_req);
+ ret = ldb_build_search_req(base_req, ldb, ac,
+ ac->req->op.search.base,
+ LDB_SCOPE_BASE,
+ NULL,
+ (const char * const *)base_attrs,
+ NULL,
+ ac, asq_base_callback,
+ ac->req);
+ ldb_req_mark_trusted(*base_req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
return LDB_SUCCESS;
}
-static int asq_build_multiple_requests(struct asq_context *ac, struct ldb_handle *handle)
+static int asq_build_multiple_requests(struct asq_context *ac, bool *terminated)
{
+ struct ldb_context *ldb;
+ struct ldb_control **saved_controls;
+ struct ldb_control *control;
+ struct ldb_dn *dn;
struct ldb_message_element *el;
- int i;
+ unsigned int i;
+ int ret;
- /* look up the DNs */
if (ac->base_res == NULL) {
return LDB_ERR_NO_SUCH_OBJECT;
}
+
+ ldb = ldb_module_get_ctx(ac->module);
+
el = ldb_msg_find_element(ac->base_res->message, ac->req_attribute);
/* no values found */
if (el == NULL) {
ac->asq_ret = ASQ_CTRL_SUCCESS;
- return asq_terminate(handle);
+ *terminated = true;
+ return asq_search_terminate(ac);
}
ac->num_reqs = el->num_values;
for (i = 0; i < el->num_values; i++) {
- ac->reqs[i] = talloc_zero(ac->reqs, struct ldb_request);
- if (ac->reqs[i] == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
- ac->reqs[i]->operation = LDB_SEARCH;
- 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)) {
+ dn = ldb_dn_new(ac, ldb,
+ (const char *)el->values[i].data);
+ if ( ! ldb_dn_validate(dn)) {
ac->asq_ret = ASQ_CTRL_INVALID_ATTRIBUTE_SYNTAX;
- return asq_terminate(handle);
+ *terminated = true;
+ return asq_search_terminate(ac);
}
- ac->reqs[i]->op.search.scope = LDB_SCOPE_BASE;
- ac->reqs[i]->op.search.tree = ac->base_req->op.search.tree;
- ac->reqs[i]->op.search.attrs = ac->req_attrs;
- ac->reqs[i]->context = ac;
- ac->reqs[i]->callback = asq_reqs_callback;
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->base_req, ac->reqs[i]);
+ ret = ldb_build_search_req_ex(&ac->reqs[i],
+ ldb, ac,
+ dn, LDB_SCOPE_BASE,
+ ac->req->op.search.tree,
+ ac->req_attrs,
+ ac->req->controls,
+ ac, asq_reqs_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* remove the ASQ control itself */
+ control = ldb_request_get_control(ac->req, LDB_CONTROL_ASQ_OID);
+ if (!ldb_save_controls(control, ac->reqs[i], &saved_controls)) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
}
return LDB_SUCCESS;
}
-static int asq_search_continue(struct ldb_handle *handle)
+static int asq_search_continue(struct asq_context *ac)
{
- struct asq_context *ac;
+ struct ldb_context *ldb;
+ bool terminated = false;
int ret;
-
- if (!handle || !handle->private_data) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- if (handle->state == LDB_ASYNC_DONE) {
- return handle->status;
- }
- ac = talloc_get_type(handle->private_data, struct asq_context);
- if (ac == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ ldb = ldb_module_get_ctx(ac->module);
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 = ret;
- goto done;
- }
-
- if (ac->base_req->handle->status != LDB_SUCCESS) {
- handle->status = ac->base_req->handle->status;
- goto done;
+ /* build up the requests call chain */
+ ret = asq_build_multiple_requests(ac, &terminated);
+ if (ret != LDB_SUCCESS || terminated) {
+ return ret;
}
- if (ac->base_req->handle->state == LDB_ASYNC_DONE) {
-
- /* 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]);
- }
+ ac->step = ASQ_SEARCH_MULTI;
- /* request still pending, return to cycle again */
- return LDB_SUCCESS;
+ return ldb_request(ldb, ac->reqs[ac->cur_req]);
case ASQ_SEARCH_MULTI:
- ret = ldb_wait(ac->reqs[ac->cur_req]->handle, LDB_WAIT_NONE);
-
- if (ret != LDB_SUCCESS) {
- handle->status = ret;
- goto done;
- }
- if (ac->reqs[ac->cur_req]->handle->status != LDB_SUCCESS) {
- handle->status = ac->reqs[ac->cur_req]->handle->status;
- }
-
- if (ac->reqs[ac->cur_req]->handle->state == LDB_ASYNC_DONE) {
- ac->cur_req++;
+ ac->cur_req++;
- if (ac->cur_req < ac->num_reqs) {
- return ldb_request(ac->module->ldb, ac->reqs[ac->cur_req]);
- }
-
- return asq_terminate(handle);
+ if (ac->cur_req == ac->num_reqs) {
+ /* done */
+ return asq_search_terminate(ac);
}
- /* request still pending, return to cycle again */
- return LDB_SUCCESS;
-
- default:
- ret = LDB_ERR_OPERATIONS_ERROR;
- break;
+ return ldb_request(ldb, ac->reqs[ac->cur_req]);
}
-done:
- handle->state = LDB_ASYNC_DONE;
- return ret;
+ return LDB_ERR_OPERATIONS_ERROR;
}
static int asq_search(struct ldb_module *module, struct ldb_request *req)
{
+ struct ldb_context *ldb;
+ struct ldb_request *base_req;
struct ldb_control *control;
struct asq_context *ac;
- struct ldb_handle *h;
+ int ret;
- /* check if there's a paged request control */
+ ldb = ldb_module_get_ctx(module);
+
+ /* check if there's an ASQ 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");
+ ac = asq_context_init(module, req);
+ if (!ac) {
return LDB_ERR_OPERATIONS_ERROR;
}
- h = init_handle(req, module);
- if (!h) {
- return LDB_ERR_OPERATIONS_ERROR;
+ /* check the search is well formed */
+ if (req->op.search.scope != LDB_SCOPE_BASE) {
+ ac->asq_ret = ASQ_CTRL_UNWILLING_TO_PERFORM;
+ return asq_search_terminate(ac);
}
- 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_search_continue(handle);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ ret = asq_build_first_request(ac, &base_req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
- return handle->status;
-}
+ ac->step = ASQ_SEARCH_BASE;
-static int asq_wait(struct ldb_handle *handle, enum ldb_wait_type type)
-{
- if (type == LDB_WAIT_ALL) {
- return asq_wait_all(handle);
- } else {
- return asq_search_continue(handle);
- }
+ return ldb_request(ldb, base_req);
}
static int asq_init(struct ldb_module *module)
{
- struct ldb_request *req;
+ struct ldb_context *ldb;
int ret;
- req = talloc_zero(module, struct ldb_request);
- if (req == NULL) {
- ldb_debug(module->ldb, LDB_DEBUG_ERROR, "asq: Out of memory!\n");
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ ldb = ldb_module_get_ctx(module);
- req->operation = LDB_REQ_REGISTER_CONTROL;
- req->op.reg_control.oid = LDB_CONTROL_ASQ_OID;
-
- ret = ldb_request(module->ldb, req);
+ ret = ldb_mod_register_control(module, LDB_CONTROL_ASQ_OID);
if (ret != LDB_SUCCESS) {
- ldb_debug(module->ldb, LDB_DEBUG_WARNING, "asq: Unable to register control with rootdse!\n");
+ ldb_debug(ldb, LDB_DEBUG_WARNING, "asq: Unable to register control with rootdse!");
}
return ldb_next_init(module);
}
-
-static const struct ldb_module_ops asq_ops = {
+static const struct ldb_module_ops ldb_asq_module_ops = {
.name = "asq",
.search = asq_search,
- .wait = asq_wait,
.init_context = asq_init
};
-int ldb_asq_init(void)
+int ldb_asq_init(const char *version)
{
- return ldb_register_module(&asq_ops);
+ LDB_MODULE_CHECK_VERSION(version);
+ return ldb_register_module(&ldb_asq_module_ops);
}
git.samba.org / nivanova / samba.git / blobdiff