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-rw-r--r--source4/dsdb/samdb/ldb_modules/repl_meta_data.c127
1 files changed, 102 insertions, 25 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
index 6f26299c6a..03248c28dd 100644
--- a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
+++ b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
@@ -3349,11 +3349,11 @@ static int replmd_op_name_modify_callback(struct ldb_request *req, struct ldb_re
}
/*
- callback for replmd_replicated_apply_add()
+ callback for replmd_replicated_apply_add() and replmd_replicated_handle_rename()
This copes with the creation of conflict records in the case where
the DN exists, but with a different objectGUID
*/
-static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *ares)
+static int replmd_op_possible_conflict_callback(struct ldb_request *req, struct ldb_reply *ares, int (*callback)(struct ldb_request *req, struct ldb_reply *ares))
{
struct ldb_dn *conflict_dn;
struct replmd_replicated_request *ar =
@@ -3370,7 +3370,7 @@ static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *are
if (ares->error != LDB_ERR_ENTRY_ALREADY_EXISTS) {
/* call the normal callback for everything except
conflicts */
- return replmd_op_callback(req, ares);
+ return callback(req, ares);
}
ret = samdb_rodc(ldb_module_get_ctx(ar->module), &rodc);
@@ -3381,7 +3381,17 @@ static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *are
* we have a conflict, and need to decide if we will keep the
* new record or the old record
*/
- conflict_dn = req->op.add.message->dn;
+
+ switch (req->operation) {
+ case LDB_ADD:
+ conflict_dn = req->op.add.message->dn;
+ break;
+ case LDB_RENAME:
+ conflict_dn = req->op.rename.newdn;
+ break;
+ default:
+ return ldb_module_operr(ar->module);
+ }
if (rodc) {
/*
@@ -3397,12 +3407,6 @@ static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *are
goto failed;
}
- /*
- * we have a conflict, and need to decide if we will keep the
- * new record or the old record
- */
- conflict_dn = req->op.add.message->dn;
-
/*
* first we need the replPropertyMetaData attribute from the
* old record
@@ -3469,6 +3473,13 @@ static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *are
struct ldb_dn *new_dn;
struct ldb_message *new_msg;
+ if (req->operation == LDB_RENAME) {
+ DEBUG(0,(__location__ ": Unable to handle incoming renames where this would "
+ "create a conflict. Incoming record is %s\n",
+ ldb_dn_get_extended_linearized(req, conflict_dn, 1)));
+ goto failed;
+ }
+
guid = samdb_result_guid(req->op.add.message, "objectGUID");
if (GUID_all_zero(&guid)) {
DEBUG(0,(__location__ ": Failed to find objectGUID for conflicting incoming record %s\n",
@@ -3485,17 +3496,27 @@ static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *are
DEBUG(1,(__location__ ": Resolving conflict record via incoming rename '%s' -> '%s'\n",
ldb_dn_get_linearized(conflict_dn), ldb_dn_get_linearized(new_dn)));
- /* re-submit the request, but with a different
- callback, so we don't loop forever. */
- new_msg = ldb_msg_copy_shallow(req, req->op.add.message);
- if (!new_msg) {
- goto failed;
- DEBUG(0,(__location__ ": Failed to copy conflict DN message for %s\n",
- ldb_dn_get_linearized(conflict_dn)));
+ switch (req->operation) {
+ case LDB_ADD:
+ /* re-submit the request, but with a different
+ callback, so we don't loop forever. */
+ new_msg = ldb_msg_copy_shallow(req, req->op.add.message);
+ if (!new_msg) {
+ goto failed;
+ DEBUG(0,(__location__ ": Failed to copy conflict DN message for %s\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ }
+ new_msg->dn = new_dn;
+ req->op.add.message = new_msg;
+ req->callback = replmd_op_name_modify_callback;
+ break;
+ case LDB_RENAME:
+ req->op.rename.newdn = new_dn;
+ req->callback = callback;
+ break;
+ default:
+ return ldb_module_operr(ar->module);
}
- new_msg->dn = new_dn;
- req->op.add.message = new_msg;
- req->callback = replmd_op_name_modify_callback;
return ldb_next_request(ar->module, req);
} else {
@@ -3539,7 +3560,7 @@ static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *are
goto failed;
}
- req->callback = replmd_op_callback;
+ req->callback = callback;
return ldb_next_request(ar->module, req);
}
@@ -3549,7 +3570,27 @@ failed:
* will stop with an error, but there is not much else we can
* do
*/
- return replmd_op_callback(req, ares);
+ return callback(req, ares);
+}
+
+/*
+ callback for replmd_replicated_apply_add()
+ This copes with the creation of conflict records in the case where
+ the DN exists, but with a different objectGUID
+ */
+static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ return replmd_op_possible_conflict_callback(req, ares, replmd_op_callback);
+}
+
+/*
+ callback for replmd_replicated_handle_rename()
+ This copes with the creation of conflict records in the case where
+ the DN exists, but with a different objectGUID
+ */
+static int replmd_op_rename_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ return replmd_op_possible_conflict_callback(req, ares, ldb_modify_default_callback);
}
/*
@@ -3816,14 +3857,50 @@ static int replmd_replicated_handle_rename(struct replmd_replicated_request *ar,
object we've received is in fact newer */
if (!md_remote || !md_local ||
replmd_replPropertyMetaData1_is_newer(md_local, md_remote)) {
+ struct ldb_request *req;
+ int ret;
+ TALLOC_CTX *tmp_ctx = talloc_new(msg);
+ struct ldb_result *res;
+
DEBUG(4,("replmd_replicated_request rename %s => %s\n",
ldb_dn_get_linearized(ar->search_msg->dn),
ldb_dn_get_linearized(msg->dn)));
+
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (!res) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb_module_get_ctx(ar->module));
+ }
+
/* pass rename to the next module
* so it doesn't appear as an originating update */
- return dsdb_module_rename(ar->module,
- ar->search_msg->dn, msg->dn,
- DSDB_FLAG_NEXT_MODULE | DSDB_MODIFY_RELAX, parent);
+ ret = ldb_build_rename_req(&req, ldb_module_get_ctx(ar->module), tmp_ctx,
+ ar->search_msg->dn, msg->dn,
+ NULL,
+ ar,
+ replmd_op_rename_callback,
+ parent);
+ LDB_REQ_SET_LOCATION(req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = dsdb_request_add_controls(req, DSDB_MODIFY_RELAX);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = ldb_next_request(ar->module, req);
+
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ talloc_free(tmp_ctx);
+ return ret;
}
/* we're going to keep our old object */
generated by cgit (git 2.34.1) at 2024-11-05 02:58:53 +0000