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-rw-r--r--lib/ldb/ldb_map/ldb_map_inbound.c837
1 files changed, 837 insertions, 0 deletions
diff --git a/lib/ldb/ldb_map/ldb_map_inbound.c b/lib/ldb/ldb_map/ldb_map_inbound.c
new file mode 100644
index 0000000000..b61037222a
--- /dev/null
+++ b/lib/ldb/ldb_map/ldb_map_inbound.c
@@ -0,0 +1,837 @@
+/*
+ ldb database mapping module
+
+ Copyright (C) Jelmer Vernooij 2005
+ Copyright (C) Martin Kuehl <mkhl@samba.org> 2006
+ Copyright (C) Simo Sorce <idra@samba.org> 2008
+
+ ** NOTE! The following LGPL license applies to the ldb
+ ** library. This does NOT imply that all of Samba is released
+ ** under the LGPL
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 3 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "replace.h"
+#include "system/filesys.h"
+#include "system/time.h"
+#include "ldb_map.h"
+#include "ldb_map_private.h"
+
+
+/* Mapping message elements
+ * ======================== */
+
+/* Map a message element into the remote partition. */
+static struct ldb_message_element *ldb_msg_el_map_local(struct ldb_module *module, void *mem_ctx, const struct ldb_map_attribute *map, const struct ldb_message_element *old)
+{
+ struct ldb_message_element *el;
+ unsigned int i;
+
+ el = talloc_zero(mem_ctx, struct ldb_message_element);
+ if (el == NULL) {
+ map_oom(module);
+ return NULL;
+ }
+
+ el->num_values = old->num_values;
+ el->values = talloc_array(el, struct ldb_val, el->num_values);
+ if (el->values == NULL) {
+ talloc_free(el);
+ map_oom(module);
+ return NULL;
+ }
+
+ el->name = map_attr_map_local(el, map, old->name);
+
+ for (i = 0; i < el->num_values; i++) {
+ el->values[i] = ldb_val_map_local(module, el->values, map, &old->values[i]);
+ }
+
+ return el;
+}
+
+/* Add a message element either to a local or to a remote message,
+ * depending on whether it goes into the local or remote partition. */
+static int ldb_msg_el_partition(struct ldb_module *module, struct ldb_message *local, struct ldb_message *remote, const struct ldb_message *msg, const char *attr_name, /* const char * const names[], */ const struct ldb_message_element *old)
+{
+ const struct ldb_map_context *data = map_get_context(module);
+ const struct ldb_map_attribute *map = map_attr_find_local(data, attr_name);
+ struct ldb_message_element *el=NULL;
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
+
+ /* Unknown attribute: ignore */
+ if (map == NULL) {
+ ldb_debug(ldb, LDB_DEBUG_WARNING, "ldb_map: "
+ "Not mapping attribute '%s': no mapping found",
+ old->name);
+ goto local;
+ }
+
+ switch (map->type) {
+ case LDB_MAP_IGNORE:
+ goto local;
+
+ case LDB_MAP_CONVERT:
+ if (map->u.convert.convert_local == NULL) {
+ ldb_debug(ldb, LDB_DEBUG_WARNING, "ldb_map: "
+ "Not mapping attribute '%s': "
+ "'convert_local' not set",
+ map->local_name);
+ goto local;
+ }
+ /* fall through */
+ case LDB_MAP_KEEP:
+ case LDB_MAP_RENAME:
+ el = ldb_msg_el_map_local(module, remote, map, old);
+ break;
+
+ case LDB_MAP_GENERATE:
+ if (map->u.generate.generate_remote == NULL) {
+ ldb_debug(ldb, LDB_DEBUG_WARNING, "ldb_map: "
+ "Not mapping attribute '%s': "
+ "'generate_remote' not set",
+ map->local_name);
+ goto local;
+ }
+
+ /* TODO: if this attr requires context:
+ * make sure all context attrs are mappable (in 'names')
+ * make sure all context attrs have already been mapped?
+ * maybe postpone generation until they have been mapped?
+ */
+
+ map->u.generate.generate_remote(module, map->local_name, msg, remote, local);
+ return 0;
+ }
+
+ if (el == NULL) {
+ return -1;
+ }
+
+ return ldb_msg_add(remote, el, old->flags);
+
+local:
+ el = talloc(local, struct ldb_message_element);
+ if (el == NULL) {
+ map_oom(module);
+ return -1;
+ }
+
+ *el = *old; /* copy the old element */
+
+ return ldb_msg_add(local, el, old->flags);
+}
+
+/* Mapping messages
+ * ================ */
+
+/* Check whether a message will be (partially) mapped into the remote partition. */
+static bool ldb_msg_check_remote(struct ldb_module *module, const struct ldb_message *msg)
+{
+ const struct ldb_map_context *data = map_get_context(module);
+ bool ret;
+ unsigned int i;
+
+ for (i = 0; i < msg->num_elements; i++) {
+ ret = map_attr_check_remote(data, msg->elements[i].name);
+ if (ret) {
+ return ret;
+ }
+ }
+
+ return false;
+}
+
+/* Split message elements that stay in the local partition from those
+ * that are mapped into the remote partition. */
+static int ldb_msg_partition(struct ldb_module *module, struct ldb_message *local, struct ldb_message *remote, const struct ldb_message *msg)
+{
+ /* const char * const names[]; */
+ struct ldb_context *ldb;
+ unsigned int i;
+ int ret;
+
+ ldb = ldb_module_get_ctx(module);
+
+ for (i = 0; i < msg->num_elements; i++) {
+ /* Skip 'IS_MAPPED' */
+ if (ldb_attr_cmp(msg->elements[i].name, IS_MAPPED) == 0) {
+ ldb_debug(ldb, LDB_DEBUG_WARNING, "ldb_map: "
+ "Skipping attribute '%s'",
+ msg->elements[i].name);
+ continue;
+ }
+
+ ret = ldb_msg_el_partition(module, local, remote, msg, msg->elements[i].name, &msg->elements[i]);
+ if (ret) {
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+
+static int map_add_do_local(struct map_context *ac);
+static int map_modify_do_local(struct map_context *ac);
+static int map_delete_do_local(struct map_context *ac);
+static int map_rename_do_local(struct map_context *ac);
+static int map_rename_do_fixup(struct map_context *ac);
+static int map_rename_local_callback(struct ldb_request *req,
+ struct ldb_reply *ares);
+
+
+/*****************************************************************************
+ * COMMON INBOUND functions
+*****************************************************************************/
+
+/* Store the DN of a single search result in context. */
+static int map_search_self_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct map_context *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct map_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);
+ }
+
+ /* We are interested only in the single reply */
+ switch(ares->type) {
+ case LDB_REPLY_ENTRY:
+ /* We have already found a remote DN */
+ if (ac->local_dn) {
+ ldb_set_errstring(ldb,
+ "Too many results!");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ /* Store local DN */
+ ac->local_dn = talloc_steal(ac, ares->message->dn);
+ break;
+
+ case LDB_REPLY_DONE:
+
+ switch (ac->req->operation) {
+ case LDB_MODIFY:
+ ret = map_modify_do_local(ac);
+ break;
+ case LDB_DELETE:
+ ret = map_delete_do_local(ac);
+ break;
+ case LDB_RENAME:
+ ret = map_rename_do_local(ac);
+ break;
+ default:
+ /* if we get here we have definitely a problem */
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ }
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ default:
+ /* ignore referrals */
+ break;
+ }
+
+ talloc_free(ares);
+ return LDB_SUCCESS;
+}
+
+/* Build a request to search the local record by its DN. */
+static int map_search_self_req(struct ldb_request **req,
+ struct map_context *ac,
+ struct ldb_dn *dn)
+{
+ /* attrs[] is returned from this function in
+ * ac->search_req->op.search.attrs, so it must be static, as
+ * otherwise the compiler can put it on the stack */
+ static const char * const attrs[] = { IS_MAPPED, NULL };
+ struct ldb_parse_tree *tree;
+
+ /* Limit search to records with 'IS_MAPPED' present */
+ tree = ldb_parse_tree(ac, "(" IS_MAPPED "=*)");
+ if (tree == NULL) {
+ map_oom(ac->module);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ *req = map_search_base_req(ac, dn, attrs, tree,
+ ac, map_search_self_callback);
+ if (*req == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int map_op_local_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct map_context *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct map_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 reply type!");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ /* Do the remote request. */
+ ret = ldb_next_remote_request(ac->module, ac->remote_req);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int map_op_remote_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct map_context *ac;
+
+ ac = talloc_get_type(req->context, struct map_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 reply type!");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+}
+
+
+/*****************************************************************************
+ * ADD operations
+*****************************************************************************/
+
+
+/* Add a record. */
+int ldb_map_add(struct ldb_module *module, struct ldb_request *req)
+{
+ const struct ldb_message *msg = req->op.add.message;
+ struct ldb_context *ldb;
+ struct map_context *ac;
+ struct ldb_message *remote_msg;
+ int ret;
+
+ ldb = ldb_module_get_ctx(module);
+
+ /* Do not manipulate our control entries */
+ if (ldb_dn_is_special(msg->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* No mapping requested (perhaps no DN mapping specified), skip to next module */
+ if (!ldb_dn_check_local(module, msg->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* No mapping needed, fail */
+ if (!ldb_msg_check_remote(module, msg)) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Prepare context and handle */
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+
+ /* Prepare the local message */
+ ac->local_msg = ldb_msg_new(ac);
+ if (ac->local_msg == NULL) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac->local_msg->dn = msg->dn;
+
+ /* Prepare the remote message */
+ remote_msg = ldb_msg_new(ac);
+ if (remote_msg == NULL) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ remote_msg->dn = ldb_dn_map_local(ac->module, remote_msg, msg->dn);
+
+ /* Split local from remote message */
+ ldb_msg_partition(module, ac->local_msg, remote_msg, msg);
+
+ /* Prepare the remote operation */
+ ret = ldb_build_add_req(&ac->remote_req, ldb,
+ ac, remote_msg,
+ req->controls,
+ ac, map_op_remote_callback,
+ req);
+ LDB_REQ_SET_LOCATION(ac->remote_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ if ((ac->local_msg->num_elements == 0) ||
+ ( ! map_check_local_db(ac->module))) {
+ /* No local data or db, just run the remote request */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
+ }
+
+ /* Store remote DN in 'IS_MAPPED' */
+ /* TODO: use GUIDs here instead */
+ ret = ldb_msg_add_linearized_dn(ac->local_msg, IS_MAPPED,
+ remote_msg->dn);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return map_add_do_local(ac);
+}
+
+/* Add the local record. */
+static int map_add_do_local(struct map_context *ac)
+{
+ struct ldb_request *local_req;
+ struct ldb_context *ldb;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ /* Prepare the local operation */
+ ret = ldb_build_add_req(&local_req, ldb, ac,
+ ac->local_msg,
+ ac->req->controls,
+ ac,
+ map_op_local_callback,
+ ac->req);
+ LDB_REQ_SET_LOCATION(local_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ return ldb_next_request(ac->module, local_req);
+}
+
+/*****************************************************************************
+ * MODIFY operations
+*****************************************************************************/
+
+/* Modify a record. */
+int ldb_map_modify(struct ldb_module *module, struct ldb_request *req)
+{
+ const struct ldb_message *msg = req->op.mod.message;
+ struct ldb_request *search_req;
+ struct ldb_message *remote_msg;
+ struct ldb_context *ldb;
+ struct map_context *ac;
+ int ret;
+
+ ldb = ldb_module_get_ctx(module);
+
+ /* Do not manipulate our control entries */
+ if (ldb_dn_is_special(msg->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* No mapping requested (perhaps no DN mapping specified), skip to next module */
+ if (!ldb_dn_check_local(module, msg->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* No mapping needed, skip to next module */
+ /* TODO: What if the remote part exists, the local doesn't,
+ * and this request wants to modify local data and thus
+ * add the local record? */
+ if (!ldb_msg_check_remote(module, msg)) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Prepare context and handle */
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Prepare the local message */
+ ac->local_msg = ldb_msg_new(ac);
+ if (ac->local_msg == NULL) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac->local_msg->dn = msg->dn;
+
+ /* Prepare the remote message */
+ remote_msg = ldb_msg_new(ac->remote_req);
+ if (remote_msg == NULL) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ remote_msg->dn = ldb_dn_map_local(ac->module, remote_msg, msg->dn);
+
+ /* Split local from remote message */
+ ldb_msg_partition(module, ac->local_msg, remote_msg, msg);
+
+ /* Prepare the remote operation */
+ ret = ldb_build_mod_req(&ac->remote_req, ldb,
+ ac, remote_msg,
+ req->controls,
+ ac, map_op_remote_callback,
+ req);
+ LDB_REQ_SET_LOCATION(ac->remote_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ if ((ac->local_msg->num_elements == 0) ||
+ ( ! map_check_local_db(ac->module))) {
+ /* No local data or db, just run the remote request */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
+ }
+
+ /* prepare the search operation */
+ ret = map_search_self_req(&search_req, ac, msg->dn);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return ldb_next_request(module, search_req);
+}
+
+/* Modify the local record. */
+static int map_modify_do_local(struct map_context *ac)
+{
+ struct ldb_request *local_req;
+ struct ldb_context *ldb;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (ac->local_dn == NULL) {
+ /* No local record present, add it instead */
+ /* Add local 'IS_MAPPED' */
+ /* TODO: use GUIDs here instead */
+ if (ldb_msg_add_empty(ac->local_msg, IS_MAPPED,
+ LDB_FLAG_MOD_ADD, NULL) != 0) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret = ldb_msg_add_linearized_dn(ac->local_msg, IS_MAPPED,
+ ac->remote_req->op.mod.message->dn);
+ if (ret != 0) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Prepare the local operation */
+ ret = ldb_build_add_req(&local_req, ldb, ac,
+ ac->local_msg,
+ ac->req->controls,
+ ac,
+ map_op_local_callback,
+ ac->req);
+ LDB_REQ_SET_LOCATION(local_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ } else {
+ /* Prepare the local operation */
+ ret = ldb_build_mod_req(&local_req, ldb, ac,
+ ac->local_msg,
+ ac->req->controls,
+ ac,
+ map_op_local_callback,
+ ac->req);
+ LDB_REQ_SET_LOCATION(local_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ }
+
+ return ldb_next_request(ac->module, local_req);
+}
+
+/*****************************************************************************
+ * DELETE operations
+*****************************************************************************/
+
+/* Delete a record. */
+int ldb_map_delete(struct ldb_module *module, struct ldb_request *req)
+{
+ struct ldb_request *search_req;
+ struct ldb_context *ldb;
+ struct map_context *ac;
+ int ret;
+
+ ldb = ldb_module_get_ctx(module);
+
+ /* Do not manipulate our control entries */
+ if (ldb_dn_is_special(req->op.del.dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* No mapping requested (perhaps no DN mapping specified).
+ * Skip to next module */
+ if (!ldb_dn_check_local(module, req->op.del.dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* Prepare context and handle */
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Prepare the remote operation */
+ ret = ldb_build_del_req(&ac->remote_req, ldb, ac,
+ ldb_dn_map_local(module, ac, req->op.del.dn),
+ req->controls,
+ ac,
+ map_op_remote_callback,
+ req);
+ LDB_REQ_SET_LOCATION(ac->remote_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* No local db, just run the remote request */
+ if (!map_check_local_db(ac->module)) {
+ /* Do the remote request. */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
+ }
+
+ /* Prepare the search operation */
+ ret = map_search_self_req(&search_req, ac, req->op.del.dn);
+ if (ret != LDB_SUCCESS) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return ldb_next_request(module, search_req);
+}
+
+/* Delete the local record. */
+static int map_delete_do_local(struct map_context *ac)
+{
+ struct ldb_request *local_req;
+ struct ldb_context *ldb;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ /* No local record, continue remotely */
+ if (ac->local_dn == NULL) {
+ /* Do the remote request. */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
+ }
+
+ /* Prepare the local operation */
+ ret = ldb_build_del_req(&local_req, ldb, ac,
+ ac->req->op.del.dn,
+ ac->req->controls,
+ ac,
+ map_op_local_callback,
+ ac->req);
+ LDB_REQ_SET_LOCATION(local_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ return ldb_next_request(ac->module, local_req);
+}
+
+/*****************************************************************************
+ * RENAME operations
+*****************************************************************************/
+
+/* Rename a record. */
+int ldb_map_rename(struct ldb_module *module, struct ldb_request *req)
+{
+ struct ldb_request *search_req;
+ struct ldb_context *ldb;
+ struct map_context *ac;
+ int ret;
+
+ ldb = ldb_module_get_ctx(module);
+
+ /* Do not manipulate our control entries */
+ if (ldb_dn_is_special(req->op.rename.olddn)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* No mapping requested (perhaps no DN mapping specified).
+ * Skip to next module */
+ if ((!ldb_dn_check_local(module, req->op.rename.olddn)) &&
+ (!ldb_dn_check_local(module, req->op.rename.newdn))) {
+ return ldb_next_request(module, req);
+ }
+
+ /* Rename into/out of the mapped partition requested, bail out */
+ if (!ldb_dn_check_local(module, req->op.rename.olddn) ||
+ !ldb_dn_check_local(module, req->op.rename.newdn)) {
+ return LDB_ERR_AFFECTS_MULTIPLE_DSAS;
+ }
+
+ /* Prepare context and handle */
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Prepare the remote operation */
+ ret = ldb_build_rename_req(&ac->remote_req, ldb, ac,
+ ldb_dn_map_local(module, ac, req->op.rename.olddn),
+ ldb_dn_map_local(module, ac, req->op.rename.newdn),
+ req->controls,
+ ac, map_op_remote_callback,
+ req);
+ LDB_REQ_SET_LOCATION(ac->remote_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* No local db, just run the remote request */
+ if (!map_check_local_db(ac->module)) {
+ /* Do the remote request. */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
+ }
+
+ /* Prepare the search operation */
+ ret = map_search_self_req(&search_req, ac, req->op.rename.olddn);
+ if (ret != LDB_SUCCESS) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return ldb_next_request(module, search_req);
+}
+
+/* Rename the local record. */
+static int map_rename_do_local(struct map_context *ac)
+{
+ struct ldb_request *local_req;
+ struct ldb_context *ldb;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ /* No local record, continue remotely */
+ if (ac->local_dn == NULL) {
+ /* Do the remote request. */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
+ }
+
+ /* Prepare the local operation */
+ ret = ldb_build_rename_req(&local_req, ldb, ac,
+ ac->req->op.rename.olddn,
+ ac->req->op.rename.newdn,
+ ac->req->controls,
+ ac,
+ map_rename_local_callback,
+ ac->req);
+ LDB_REQ_SET_LOCATION(local_req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return ldb_next_request(ac->module, local_req);
+}
+
+static int map_rename_local_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct map_context *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct map_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 reply type!");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ /* proceed with next step */
+ ret = map_rename_do_fixup(ac);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/* Update the local 'IS_MAPPED' attribute. */
+static int map_rename_do_fixup(struct map_context *ac)
+{
+ struct ldb_request *local_req;
+
+ /* Prepare the fixup operation */
+ /* TODO: use GUIDs here instead -- or skip it when GUIDs are used. */
+ local_req = map_build_fixup_req(ac,
+ ac->req->op.rename.newdn,
+ ac->remote_req->op.rename.newdn,
+ ac,
+ map_op_local_callback);
+ if (local_req == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return ldb_next_request(ac->module, local_req);
+}
generated by cgit (git 2.34.1) at 2024-06-06 14:10:32 +0000