-/*
+/*
ldb database library
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "ldb_module.h"
-#include "dlinklist.h"
+#include "util/dlinklist.h"
#include "dsdb/samdb/samdb.h"
#include "librpc/gen_ndr/ndr_misc.h"
+#include "dsdb/samdb/ldb_modules/util.h"
struct la_private {
struct la_context *la_list;
const struct dsdb_schema *schema;
struct ldb_module *module;
struct ldb_request *req;
- struct ldb_dn *partition_dn;
struct ldb_dn *add_dn;
struct ldb_dn *del_dn;
struct replace_context *rc;
{
struct ldb_context *ldb;
struct la_context *ac;
- const struct ldb_control *partition_ctrl;
ldb = ldb_module_get_ctx(module);
return NULL;
}
- ac->schema = dsdb_get_schema(ldb);
+ ac->schema = dsdb_get_schema(ldb, ac);
ac->module = module;
ac->req = req;
- /* remember the partition DN that came in, if given */
- partition_ctrl = ldb_request_get_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID);
- if (partition_ctrl) {
- const struct dsdb_control_current_partition *partition;
- partition = talloc_get_type(partition_ctrl->data,
- struct dsdb_control_current_partition);
- SMB_ASSERT(partition && partition->version == DSDB_CONTROL_CURRENT_PARTITION_VERSION);
-
- ac->partition_dn = ldb_dn_copy(ac, partition->dn);
- }
-
return ac;
}
*/
static int la_guid_from_dn(struct la_context *ac, struct ldb_dn *dn, struct GUID *guid)
{
- int ret;
NTSTATUS status;
+ int ret;
- status = dsdb_get_extended_dn_guid(dn, guid);
+ status = dsdb_get_extended_dn_guid(dn, guid, "GUID");
if (NT_STATUS_IS_OK(status)) {
return LDB_SUCCESS;
}
if (!NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
DEBUG(4,(__location__ ": Unable to parse GUID for dn %s\n",
ldb_dn_get_linearized(dn)));
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb_module_get_ctx(ac->module));
}
ret = dsdb_find_guid_by_dn(ldb_module_get_ctx(ac->module), dn, guid);
op_dn = ldb_dn_from_ldb_val(ac, ldb, dn);
if (!op_dn) {
- ldb_asprintf_errstring(ldb,
+ ldb_asprintf_errstring(ldb,
"could not parse attribute as a DN");
return LDB_ERR_INVALID_DN_SYNTAX;
}
os = talloc_zero(ac, struct la_op_store);
if (!os) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
os->op = op;
ret = la_guid_from_dn(ac, op_dn, &os->guid);
+ talloc_free(op_dn);
if (ret == LDB_ERR_NO_SUCH_OBJECT && ac->req->operation == LDB_DELETE) {
/* we are deleting an object, and we've found it has a
* forward link to a target that no longer
os->name = talloc_strdup(os, name);
if (!os->name) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
/* Do deletes before adds */
return LDB_SUCCESS;
}
-static int la_op_search_callback(struct ldb_request *req,
- struct ldb_reply *ares);
static int la_queue_mod_request(struct la_context *ac);
static int la_down_req(struct la_context *ac);
const struct dsdb_attribute *target_attr;
struct la_context *ac;
const char *attr_name;
+ struct ldb_control *ctrl;
+ unsigned int i, j;
int ret;
- int i, j;
ldb = ldb_module_get_ctx(module);
return ldb_next_request(module, req);
}
+ if (!(ctrl = ldb_request_get_control(req, DSDB_CONTROL_APPLY_LINKS))) {
+ /* don't do anything special for linked attributes, repl_meta_data has done it */
+ return ldb_next_request(module, req);
+ }
+ ctrl->critical = false;
+
ac = linked_attributes_init(module, req);
if (!ac) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
if (!ac->schema) {
const struct dsdb_attribute *schema_attr
= dsdb_attribute_by_lDAPDisplayName(ac->schema, el->name);
if (!schema_attr) {
- ldb_asprintf_errstring(ldb,
- "attribute %s is not a valid attribute in schema", el->name);
- return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ ldb_asprintf_errstring(ldb,
+ "%s: attribute %s is not a valid attribute in schema",
+ __FUNCTION__,
+ el->name);
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
}
- /* We have a valid attribute, now find out if it is linked */
- if (schema_attr->linkID == 0) {
+ /* We have a valid attribute, now find out if it is a forward link */
+ if ((schema_attr->linkID == 0)) {
continue;
}
-
+
if ((schema_attr->linkID & 1) == 1) {
- /* Odd is for the target. Illegal to modify */
- ldb_asprintf_errstring(ldb,
- "attribute %s must not be modified directly, it is a linked attribute", el->name);
- return LDB_ERR_UNWILLING_TO_PERFORM;
+ unsigned int functional_level;
+
+ functional_level = dsdb_functional_level(ldb);
+ SMB_ASSERT(functional_level > DS_DOMAIN_FUNCTION_2000);
}
-
+
/* Even link IDs are for the originating attribute */
target_attr = dsdb_attribute_by_linkID(ac->schema, schema_attr->linkID + 1);
if (!target_attr) {
struct replace_context *rc;
struct la_context *ac;
const char *attr_name;
- int i, j;
+ unsigned int i, j;
int ret = LDB_SUCCESS;
ac = talloc_get_type(req->context, struct la_context);
case LDB_REPLY_ENTRY:
if (ldb_dn_compare(ares->message->dn, ac->req->op.mod.message->dn) != 0) {
- ldb_asprintf_errstring(ldb,
- "linked_attributes: %s is not the DN we were looking for", ldb_dn_get_linearized(ares->message->dn));
+ ldb_asprintf_errstring(ldb,
+ "linked_attributes: %s is not the DN we were looking for",
+ ldb_dn_get_linearized(ares->message->dn));
/* Guh? We only asked for this DN */
talloc_free(ares);
return ldb_module_done(ac->req, NULL, NULL,
schema_attr = dsdb_attribute_by_lDAPDisplayName(ac->schema, rc->el[i].name);
if (!schema_attr) {
ldb_asprintf_errstring(ldb,
- "attribute %s is not a valid attribute in schema",
+ "%s: attribute %s is not a valid attribute in schema",
+ __FUNCTION__,
rc->el[i].name);
talloc_free(ares);
return ldb_module_done(ac->req, NULL, NULL,
}
-
-
-/* rename */
-static int linked_attributes_rename(struct ldb_module *module, struct ldb_request *req)
+/* modify */
+static int linked_attributes_modify(struct ldb_module *module, struct ldb_request *req)
{
+ /* Look over list of modifications */
+ /* Find if any are for linked attributes */
+ /* Determine the effect of the modification */
+ /* Apply the modify to the linked entry */
+
+ struct ldb_context *ldb;
+ unsigned int i, j;
struct la_context *ac;
+ struct ldb_request *search_req;
+ const char **attrs;
+ struct ldb_control *ctrl;
+ int ret;
- /* This gets complex: We need to:
- - Do a search for the entry
- - Wait for these result to appear
- - In the callback for the result, issue a modify
- request based on the linked attributes found
- - Wait for each modify result
- - Regain our sainity
- */
+ ldb = ldb_module_get_ctx(module);
+
+ if (ldb_dn_is_special(req->op.mod.message->dn)) {
+ /* do not manipulate our control entries */
+ return ldb_next_request(module, req);
+ }
+
+ if (!(ctrl = ldb_request_get_control(req, DSDB_CONTROL_APPLY_LINKS))) {
+ /* don't do anything special for linked attributes, repl_meta_data has done it */
+ return ldb_next_request(module, req);
+ }
+ ctrl->critical = false;
ac = linked_attributes_init(module, req);
if (!ac) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
if (!ac->schema) {
return ldb_next_request(module, req);
}
- /* start with the original request */
- return la_down_req(ac);
-}
-
-
-static int la_op_search_callback(struct ldb_request *req,
- struct ldb_reply *ares)
-{
- struct ldb_context *ldb;
- struct la_context *ac;
- const struct dsdb_attribute *schema_attr;
- const struct dsdb_attribute *target_attr;
- const struct ldb_message_element *el;
- const char *attr_name;
- int i, j;
- int ret;
-
- ac = talloc_get_type(req->context, struct la_context);
- ldb = ldb_module_get_ctx(ac->module);
-
- 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);
+ ac->rc = talloc_zero(ac, struct replace_context);
+ if (!ac->rc) {
+ return ldb_oom(ldb);
}
- /* Only entries are interesting, and we only want the olddn */
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- ret = ldb_dn_compare(ares->message->dn, req->op.search.base);
- if (ret != 0) {
- /* Guh? We only asked for this DN */
- talloc_free(ares);
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_OPERATIONS_ERROR);
+ for (i=0; i < req->op.mod.message->num_elements; i++) {
+ bool store_el = false;
+ const char *attr_name;
+ const struct dsdb_attribute *target_attr;
+ const struct ldb_message_element *el = &req->op.mod.message->elements[i];
+ const struct dsdb_attribute *schema_attr
+ = dsdb_attribute_by_lDAPDisplayName(ac->schema, el->name);
+ if (!schema_attr) {
+ ldb_asprintf_errstring(ldb,
+ "%s: attribute %s is not a valid attribute in schema",
+ __FUNCTION__,
+ el->name);
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
}
- if (ares->message->num_elements == 0) {
- /* only bother at all if there were some
- * linked attributes found */
- talloc_free(ares);
- return LDB_SUCCESS;
+ /* We have a valid attribute, now find out if it is a forward link
+ (Even link IDs are for the originating attribute) */
+ if (schema_attr->linkID == 0) {
+ continue;
}
- switch (ac->req->operation) {
- case LDB_DELETE:
- ac->del_dn = talloc_steal(ac, ares->message->dn);
- break;
- case LDB_RENAME:
- ac->add_dn = talloc_steal(ac, ares->message->dn);
- ac->del_dn = talloc_steal(ac, ac->req->op.rename.olddn);
- break;
- default:
- talloc_free(ares);
- ldb_set_errstring(ldb,
- "operations must be delete or rename");
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_OPERATIONS_ERROR);
+ if ((schema_attr->linkID & 1) == 1) {
+ unsigned int functional_level;
+
+ functional_level = dsdb_functional_level(ldb);
+ SMB_ASSERT(functional_level > DS_DOMAIN_FUNCTION_2000);
+ }
+ /* Now find the target attribute */
+ target_attr = dsdb_attribute_by_linkID(ac->schema, schema_attr->linkID + 1);
+ if (!target_attr) {
+ /*
+ * windows 2003 has a broken schema where
+ * the definition of msDS-IsDomainFor
+ * is missing (which is supposed to be
+ * the backlink of the msDS-HasDomainNCs
+ * attribute
+ */
+ continue;
}
- for (i = 0; i < ares->message->num_elements; i++) {
- el = &ares->message->elements[i];
+ attr_name = target_attr->lDAPDisplayName;
- schema_attr = dsdb_attribute_by_lDAPDisplayName(ac->schema, el->name);
- if (!schema_attr) {
- ldb_asprintf_errstring(ldb,
- "attribute %s is not a valid attribute"
- " in schema", el->name);
- talloc_free(ares);
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_OBJECT_CLASS_VIOLATION);
- }
+ switch (el->flags & LDB_FLAG_MOD_MASK) {
+ case LDB_FLAG_MOD_REPLACE:
+ /* treat as just a normal add the delete part is handled by the callback */
+ store_el = true;
- /* Valid attribute, now find out if it is linked */
- if (schema_attr->linkID == 0) {
- /* Not a linked attribute, skip */
- continue;
- }
+ /* break intentionally missing */
- if ((schema_attr->linkID & 1) == 0) {
- /* Odd is for the target. */
- target_attr = dsdb_attribute_by_linkID(ac->schema, schema_attr->linkID + 1);
- if (!target_attr) {
- continue;
- }
- attr_name = target_attr->lDAPDisplayName;
- } else {
- target_attr = dsdb_attribute_by_linkID(ac->schema, schema_attr->linkID - 1);
- if (!target_attr) {
- continue;
- }
- attr_name = target_attr->lDAPDisplayName;
- }
+ case LDB_FLAG_MOD_ADD:
+
+ /* For each value being added, we need to setup the adds */
for (j = 0; j < el->num_values; j++) {
- ret = la_store_op(ac, LA_OP_DEL,
+ ret = la_store_op(ac, LA_OP_ADD,
&el->values[j],
attr_name);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ break;
+
+ case LDB_FLAG_MOD_DELETE:
- /* for renames, ensure we add it back */
- if (ret == LDB_SUCCESS
- && ac->req->operation == LDB_RENAME) {
- ret = la_store_op(ac, LA_OP_ADD,
+ if (el->num_values) {
+ /* For each value being deleted, we need to setup the delete */
+ for (j = 0; j < el->num_values; j++) {
+ ret = la_store_op(ac, LA_OP_DEL,
&el->values[j],
attr_name);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
}
- if (ret != LDB_SUCCESS) {
- talloc_free(ares);
- return ldb_module_done(ac->req,
- NULL, NULL, ret);
- }
+ } else {
+ /* Flag that there was a DELETE
+ * without a value specified, so we
+ * need to look for the old value */
+ store_el = true;
}
+
+ break;
}
- break;
+ if (store_el) {
+ struct ldb_message_element *search_el;
- case LDB_REPLY_REFERRAL:
- /* ignore */
- break;
+ search_el = talloc_realloc(ac->rc, ac->rc->el,
+ struct ldb_message_element,
+ ac->rc->num_elements +1);
+ if (!search_el) {
+ return ldb_oom(ldb);
+ }
+ ac->rc->el = search_el;
- case LDB_REPLY_DONE:
+ ac->rc->el[ac->rc->num_elements] = *el;
+ ac->rc->num_elements++;
+ }
+ }
- talloc_free(ares);
+ if (ac->ops || ac->rc->el) {
+ /* both replace and delete without values are handled in the callback
+ * after the search on the entry to be modified is performed */
+ attrs = talloc_array(ac->rc, const char *, ac->rc->num_elements + 1);
+ if (!attrs) {
+ return ldb_oom(ldb);
+ }
+ for (i = 0; ac->rc && i < ac->rc->num_elements; i++) {
+ attrs[i] = ac->rc->el[i].name;
+ }
+ attrs[i] = NULL;
- switch (ac->req->operation) {
- case LDB_DELETE:
- /* start the mod requests chain */
- ret = la_down_req(ac);
+ /* The callback does all the hard work here */
+ ret = ldb_build_search_req(&search_req, ldb, ac,
+ req->op.mod.message->dn,
+ LDB_SCOPE_BASE,
+ "(objectClass=*)", attrs,
+ NULL,
+ ac, la_mod_search_callback,
+ req);
+ LDB_REQ_SET_LOCATION(search_req);
+
+ /* We need to figure out our own extended DN, to fill in as the backlink target */
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_request_add_control(search_req,
+ LDB_CONTROL_EXTENDED_DN_OID,
+ false, NULL);
+ }
+ if (ret == LDB_SUCCESS) {
+ talloc_steal(search_req, attrs);
+
+ ret = ldb_next_request(module, search_req);
+ }
+
+ } else {
+ /* nothing to do for this module, proceed */
+ talloc_free(ac);
+ ret = ldb_next_request(module, req);
+ }
+
+ return ret;
+}
+
+static int linked_attributes_fix_links(struct ldb_module *module,
+ struct ldb_dn *old_dn, struct ldb_dn *new_dn,
+ struct ldb_message_element *el, struct dsdb_schema *schema,
+ const struct dsdb_attribute *schema_attr,
+ struct ldb_request *parent)
+{
+ unsigned int i, j;
+ TALLOC_CTX *tmp_ctx = talloc_new(module);
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
+ const struct dsdb_attribute *target;
+ const char *attrs[2];
+ int ret;
+
+ target = dsdb_attribute_by_linkID(schema, schema_attr->linkID ^ 1);
+ if (target == NULL) {
+ /* there is no counterpart link to change */
+ return LDB_SUCCESS;
+ }
+
+ attrs[0] = target->lDAPDisplayName;
+ attrs[1] = NULL;
+
+ for (i=0; i<el->num_values; i++) {
+ struct dsdb_dn *dsdb_dn;
+ struct ldb_result *res;
+ struct ldb_message *msg;
+ struct ldb_message_element *el2;
+
+ dsdb_dn = dsdb_dn_parse(tmp_ctx, ldb, &el->values[i], schema_attr->syntax->ldap_oid);
+ if (dsdb_dn == NULL) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+
+ ret = dsdb_module_search_dn(module, tmp_ctx, &res, dsdb_dn->dn,
+ attrs,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_RECYCLED |
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT |
+ DSDB_SEARCH_REVEAL_INTERNALS, parent);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb, "Linked attribute %s->%s between %s and %s - remote not found - %s",
+ el->name, target->lDAPDisplayName,
+ ldb_dn_get_linearized(old_dn),
+ ldb_dn_get_linearized(dsdb_dn->dn),
+ ldb_errstring(ldb));
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ msg = res->msgs[0];
+
+ if (msg->num_elements == 0) {
+ /* Forward link without backlink remaining - nothing to do here */
+ continue;
+ } else if (msg->num_elements != 1) {
+ ldb_asprintf_errstring(ldb, "Bad msg elements - got %u elements, expected one element to be returned in linked_attributes_fix_links for %s",
+ msg->num_elements, ldb_dn_get_linearized(msg->dn));
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ if (ldb_attr_cmp(msg->elements[0].name, target->lDAPDisplayName) != 0) {
+ ldb_asprintf_errstring(ldb, "Bad returned attribute in linked_attributes_fix_links: got %s, expected %s for %s", msg->elements[0].name, target->lDAPDisplayName, ldb_dn_get_linearized(msg->dn));
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ el2 = &msg->elements[0];
+
+ el2->flags = LDB_FLAG_MOD_REPLACE;
+
+ /* find our DN in the values */
+ for (j=0; j<el2->num_values; j++) {
+ struct dsdb_dn *dsdb_dn2;
+ dsdb_dn2 = dsdb_dn_parse(msg, ldb, &el2->values[j], target->syntax->ldap_oid);
+ if (dsdb_dn2 == NULL) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+ if (ldb_dn_compare(old_dn, dsdb_dn2->dn) != 0) {
+ continue;
+ }
+ ret = ldb_dn_update_components(dsdb_dn2->dn, new_dn);
if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL, ret);
+ talloc_free(tmp_ctx);
+ return ret;
}
+
+ el2->values[j] = data_blob_string_const(
+ dsdb_dn_get_extended_linearized(el2->values, dsdb_dn2, 1));
+ }
+
+ ret = dsdb_check_single_valued_link(target, el2);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
return ret;
+ }
- case LDB_RENAME:
- /* start the mod requests chain */
- ret = la_queue_mod_request(ac);
- if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL,
- ret);
- }
+ /* we may be putting multiple values in an attribute -
+ disable checking for this attribute */
+ el2->flags |= LDB_FLAG_INTERNAL_DISABLE_SINGLE_VALUE_CHECK;
+
+ ret = dsdb_module_modify(module, msg, DSDB_FLAG_NEXT_MODULE, parent);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb, "Linked attribute %s->%s between %s and %s - update failed - %s",
+ el->name, target->lDAPDisplayName,
+ ldb_dn_get_linearized(old_dn),
+ ldb_dn_get_linearized(dsdb_dn->dn),
+ ldb_errstring(ldb));
+ talloc_free(tmp_ctx);
return ret;
-
- default:
- talloc_free(ares);
- ldb_set_errstring(ldb,
- "operations must be delete or rename");
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_OPERATIONS_ERROR);
}
}
- talloc_free(ares);
+ talloc_free(tmp_ctx);
return LDB_SUCCESS;
}
+
+/* rename */
+static int linked_attributes_rename(struct ldb_module *module, struct ldb_request *req)
+{
+ struct ldb_result *res;
+ struct ldb_message *msg;
+ unsigned int i;
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
+ struct dsdb_schema *schema;
+ int ret;
+ /*
+ - load the current msg
+ - find any linked attributes
+ - if its a link then find the target object
+ - modify the target linked attributes with the new DN
+ */
+ ret = dsdb_module_search_dn(module, req, &res, req->op.rename.olddn,
+ NULL,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_RECYCLED, req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ schema = dsdb_get_schema(ldb, res);
+ if (!schema) {
+ return ldb_oom(ldb);
+ }
+
+ msg = res->msgs[0];
+
+ for (i=0; i<msg->num_elements; i++) {
+ struct ldb_message_element *el = &msg->elements[i];
+ const struct dsdb_attribute *schema_attr
+ = dsdb_attribute_by_lDAPDisplayName(schema, el->name);
+ if (!schema_attr || schema_attr->linkID == 0) {
+ continue;
+ }
+ ret = linked_attributes_fix_links(module, msg->dn, req->op.rename.newdn, el,
+ schema, schema_attr, req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(res);
+ return ret;
+ }
+ }
+
+ talloc_free(res);
+
+ return ldb_next_request(module, req);
+}
+
+
/* queue a linked attributes modify request in the la_private
structure */
static int la_queue_mod_request(struct la_context *ac)
{
- struct la_private *la_private =
+ struct la_private *la_private =
talloc_get_type(ldb_module_get_private(ac->module), struct la_private);
if (la_private == NULL) {
ldb_debug(ldb_module_get_ctx(ac->module), LDB_DEBUG_ERROR, __location__ ": No la_private transaction setup\n");
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb_module_get_ctx(ac->module));
}
talloc_steal(la_private, ac);
/* Having done the original operation, then try to fix up all the linked attributes for modify and delete */
static int la_mod_del_callback(struct ldb_request *req, struct ldb_reply *ares)
{
- int ret;
struct la_context *ac;
struct ldb_context *ldb;
+ int ret;
ac = talloc_get_type(req->context, struct la_context);
ldb = ldb_module_get_ctx(ac->module);
return ldb_module_done(ac->req, NULL, NULL,
LDB_ERR_OPERATIONS_ERROR);
}
-
+
ac->op_controls = talloc_steal(ac, ares->controls);
ac->op_response = talloc_steal(ac, ares->response);
/* If we have modfies to make, this is the time to do them for modify and delete */
ret = la_queue_mod_request(ac);
-
+
if (ret != LDB_SUCCESS) {
return ldb_module_done(ac->req, NULL, NULL, ret);
}
}
-/* Having done the original rename try to fix up all the linked attributes */
-static int la_rename_callback(struct ldb_request *req, struct ldb_reply *ares)
-{
- int ret;
- struct la_context *ac;
- struct ldb_request *search_req;
- const char **attrs;
- WERROR werr;
- struct ldb_context *ldb;
-
- ac = talloc_get_type(req->context, struct la_context);
- ldb = ldb_module_get_ctx(ac->module);
-
- 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);
- }
-
- if (ares->type != LDB_REPLY_DONE) {
- ldb_set_errstring(ldb,
- "invalid ldb_reply_type in callback");
- talloc_free(ares);
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_OPERATIONS_ERROR);
- }
-
- werr = dsdb_linked_attribute_lDAPDisplayName_list(ac->schema, ac, &attrs);
- if (!W_ERROR_IS_OK(werr)) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = ldb_build_search_req(&search_req, ldb, req,
- ac->req->op.rename.newdn, LDB_SCOPE_BASE,
- "(objectClass=*)", attrs,
- NULL,
- ac, la_op_search_callback,
- req);
-
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- talloc_steal(search_req, attrs);
-
- if (ret == LDB_SUCCESS) {
- ret = ldb_request_add_control(search_req,
- LDB_CONTROL_EXTENDED_DN_OID,
- false, NULL);
- }
- if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL,
- ret);
- }
-
- ac->op_controls = talloc_steal(ac, ares->controls);
- ac->op_response = talloc_steal(ac, ares->response);
-
- return ldb_next_request(ac->module, search_req);
-}
-
/* Having done the original add, then try to fix up all the linked attributes
This is done after the add so the links can get the extended DNs correctly.
*/
static int la_add_callback(struct ldb_request *req, struct ldb_reply *ares)
{
- int ret;
struct la_context *ac;
struct ldb_context *ldb;
+ int ret;
ac = talloc_get_type(req->context, struct la_context);
ldb = ldb_module_get_ctx(ac->module);
return ldb_module_done(ac->req, NULL, NULL,
LDB_ERR_OPERATIONS_ERROR);
}
-
+
if (ac->ops) {
struct ldb_request *search_req;
static const char *attrs[] = { NULL };
-
+
/* The callback does all the hard work here - we need
* the objectGUID and SID of the added record */
ret = ldb_build_search_req(&search_req, ldb, ac,
NULL,
ac, la_mod_search_callback,
ac->req);
-
+ LDB_REQ_SET_LOCATION(search_req);
+
if (ret == LDB_SUCCESS) {
ret = ldb_request_add_control(search_req,
LDB_CONTROL_EXTENDED_DN_OID,
ac->op_response = talloc_steal(ac, ares->response);
return ldb_next_request(ac->module, search_req);
-
+
} else {
return ldb_module_done(ac->req, ares->controls,
ares->response, ares->error);
static int la_down_req(struct la_context *ac)
{
struct ldb_request *down_req;
- int ret;
struct ldb_context *ldb;
+ int ret;
ldb = ldb_module_get_ctx(ac->module);
ac->req->controls,
ac, la_add_callback,
ac->req);
+ LDB_REQ_SET_LOCATION(down_req);
break;
case LDB_MODIFY:
ret = ldb_build_mod_req(&down_req, ldb, ac,
ac->req->controls,
ac, la_mod_del_callback,
ac->req);
- break;
- case LDB_DELETE:
- ret = ldb_build_del_req(&down_req, ldb, ac,
- ac->req->op.del.dn,
- ac->req->controls,
- ac, la_mod_del_callback,
- ac->req);
- break;
- case LDB_RENAME:
- ret = ldb_build_rename_req(&down_req, ldb, ac,
- ac->req->op.rename.olddn,
- ac->req->op.rename.newdn,
- ac->req->controls,
- ac, la_rename_callback,
- ac->req);
+ LDB_REQ_SET_LOCATION(down_req);
break;
default:
ret = LDB_ERR_OPERATIONS_ERROR;
use the GUID part of an extended DN to find the target DN, in case
it has moved
*/
-static int la_find_dn_target(struct ldb_module *module, struct la_context *ac,
+static int la_find_dn_target(struct ldb_module *module, struct la_context *ac,
struct GUID *guid, struct ldb_dn **dn)
{
- return dsdb_find_dn_by_guid(ldb_module_get_ctx(ac->module), ac, GUID_string(ac, guid), dn);
+ return dsdb_find_dn_by_guid(ldb_module_get_ctx(ac->module), ac, guid, dn);
}
/* apply one la_context op change */
static int la_do_op_request(struct ldb_module *module, struct la_context *ac, struct la_op_store *op)
{
struct ldb_message_element *ret_el;
- struct ldb_request *mod_req;
struct ldb_message *new_msg;
struct ldb_context *ldb;
int ret;
/* Create the modify request */
new_msg = ldb_msg_new(ac);
if (!new_msg) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
ret = la_find_dn_target(module, ac, &op->guid, &new_msg->dn);
}
ret_el->values = talloc_array(new_msg, struct ldb_val, 1);
if (!ret_el->values) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
ret_el->num_values = 1;
if (op->op == LA_OP_ADD) {
#if 0
ldb_debug(ldb, LDB_DEBUG_WARNING,
- "link on %s %s: %s %s\n",
- ldb_dn_get_linearized(new_msg->dn), ret_el->name,
+ "link on %s %s: %s %s\n",
+ ldb_dn_get_linearized(new_msg->dn), ret_el->name,
ret_el->values[0].data, ac->ops->op == LA_OP_ADD ? "added" : "deleted");
-#endif
-
- ret = ldb_build_mod_req(&mod_req, ldb, op,
- new_msg,
- NULL,
- NULL,
- ldb_op_default_callback,
- NULL);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- talloc_steal(mod_req, new_msg);
+#endif
if (DEBUGLVL(4)) {
DEBUG(4,("Applying linked attribute change:\n%s\n",
ldb_ldif_message_string(ldb, op, LDB_CHANGETYPE_MODIFY, new_msg)));
}
- /* Run the new request */
- ret = ldb_next_request(module, mod_req);
-
- /* we need to wait for this to finish, as we are being called
- from the synchronous end_transaction hook of this module */
- if (ret == LDB_SUCCESS) {
- ret = ldb_wait(mod_req->handle, LDB_WAIT_ALL);
- }
-
+ ret = dsdb_module_modify(module, new_msg, DSDB_FLAG_NEXT_MODULE, ac->req);
if (ret != LDB_SUCCESS) {
- ldb_debug(ldb, LDB_DEBUG_WARNING, "Failed to apply linked attribute change '%s' %s\n",
+ ldb_debug(ldb, LDB_DEBUG_WARNING, "Failed to apply linked attribute change '%s'\n%s\n",
ldb_errstring(ldb),
ldb_ldif_message_string(ldb, op, LDB_CHANGETYPE_MODIFY, new_msg));
}
/*
- we hook into the transaction operations to allow us to
+ we hook into the transaction operations to allow us to
perform the linked attribute updates at the end of the whole
transaction. This allows a forward linked attribute to be created
before the target is created, as long as the target is created
talloc_free(la_private);
la_private = talloc(module, struct la_private);
if (la_private == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb_module_get_ctx(module));
}
la_private->la_list = NULL;
ldb_module_set_private(module, la_private);
*/
static int linked_attributes_prepare_commit(struct ldb_module *module)
{
- struct la_private *la_private =
+ struct la_private *la_private =
talloc_get_type(ldb_module_get_private(module), struct la_private);
struct la_context *ac;
/* walk the list backwards, to do the first entry first, as we
* added the entries with DLIST_ADD() which puts them at the
* start of the list */
- for (ac = la_private->la_list; ac && ac->next; ac=ac->next) ;
- for (; ac; ac=ac->prev) {
+ /* Start at the end of the list - so we can start
+ * there, but ensure we don't create a loop by NULLing
+ * it out in the first element */
+ ac = DLIST_TAIL(la_private->la_list);
+
+ for (; ac; ac=DLIST_PREV(ac)) {
int ret;
ac->req = NULL;
ret = la_do_mod_request(module, ac);
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed mod request ret=%d\n", ret));
talloc_free(la_private);
- ldb_module_set_private(module, NULL);
+ ldb_module_set_private(module, NULL);
return ret;
}
}
talloc_free(la_private);
- ldb_module_set_private(module, NULL);
+ ldb_module_set_private(module, NULL);
return ldb_next_prepare_commit(module);
}
static int linked_attributes_del_transaction(struct ldb_module *module)
{
- struct la_private *la_private =
+ struct la_private *la_private =
talloc_get_type(ldb_module_get_private(module), struct la_private);
talloc_free(la_private);
ldb_module_set_private(module, NULL);
}
-_PUBLIC_ const struct ldb_module_ops ldb_linked_attributes_module_ops = {
+static const struct ldb_module_ops ldb_linked_attributes_module_ops = {
.name = "linked_attributes",
.add = linked_attributes_add,
+ .modify = linked_attributes_modify,
+ .rename = linked_attributes_rename,
.start_transaction = linked_attributes_start_transaction,
.prepare_commit = linked_attributes_prepare_commit,
.del_transaction = linked_attributes_del_transaction,
};
+
+int ldb_linked_attributes_module_init(const char *version)
+{
+ LDB_MODULE_CHECK_VERSION(version);
+ return ldb_register_module(&ldb_linked_attributes_module_ops);
+}
git.samba.org / samba.git / blobdiff