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0a3aa5f908
This aims to minimise usage of the error-prone pattern of searching for a just-added message element in order to make modifications to it (and potentially finding the wrong element). BUG: https://bugzilla.samba.org/show_bug.cgi?id=15009 Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
845 lines
22 KiB
C
845 lines
22 KiB
C
/*
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ldb database mapping module
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Copyright (C) Jelmer Vernooij 2005
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Copyright (C) Martin Kuehl <mkhl@samba.org> 2006
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Copyright (C) Simo Sorce <idra@samba.org> 2008
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** NOTE! The following LGPL license applies to the ldb
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** library. This does NOT imply that all of Samba is released
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** under the LGPL
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "system/filesys.h"
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#include "system/time.h"
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#include "ldb_map.h"
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#include "ldb_map_private.h"
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/* Mapping message elements
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* ======================== */
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/* Map a message element into the remote partition. */
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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)
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{
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struct ldb_message_element *el;
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unsigned int i;
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el = talloc_zero(mem_ctx, struct ldb_message_element);
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if (el == NULL) {
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map_oom(module);
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return NULL;
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}
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el->num_values = old->num_values;
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el->values = talloc_array(el, struct ldb_val, el->num_values);
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if (el->values == NULL) {
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talloc_free(el);
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map_oom(module);
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return NULL;
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}
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el->name = map_attr_map_local(el, map, old->name);
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for (i = 0; i < el->num_values; i++) {
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el->values[i] = ldb_val_map_local(module, el->values, map, &old->values[i]);
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}
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return el;
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}
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/* Add a message element either to a local or to a remote message,
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* depending on whether it goes into the local or remote partition. */
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static int ldb_msg_el_partition(struct ldb_module *module, enum ldb_request_type optype, 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)
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{
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const struct ldb_map_context *data = map_get_context(module);
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const struct ldb_map_attribute *map = map_attr_find_local(data, attr_name);
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struct ldb_message_element *el=NULL;
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struct ldb_context *ldb = ldb_module_get_ctx(module);
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/* Unknown attribute: ignore */
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if (map == NULL) {
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ldb_debug(ldb, LDB_DEBUG_WARNING, "ldb_map: "
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"Not mapping attribute '%s': no mapping found",
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old->name);
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goto local;
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}
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switch (map->type) {
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case LDB_MAP_RENDROP:
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if (optype != LDB_ADD) {
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/* do the same as LDB_MAP_RENAME */
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el = ldb_msg_el_map_local(module, remote, map, old);
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break;
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}
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FALL_THROUGH;
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case LDB_MAP_IGNORE:
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goto local;
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case LDB_MAP_CONVERT:
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if (map->u.convert.convert_local == NULL) {
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ldb_debug(ldb, LDB_DEBUG_WARNING, "ldb_map: "
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"Not mapping attribute '%s': "
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"'convert_local' not set",
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map->local_name);
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goto local;
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}
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FALL_THROUGH;
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case LDB_MAP_KEEP:
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case LDB_MAP_RENAME:
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el = ldb_msg_el_map_local(module, remote, map, old);
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break;
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case LDB_MAP_GENERATE:
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if (map->u.generate.generate_remote == NULL) {
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ldb_debug(ldb, LDB_DEBUG_WARNING, "ldb_map: "
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"Not mapping attribute '%s': "
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"'generate_remote' not set",
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map->local_name);
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goto local;
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}
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/* TODO: if this attr requires context:
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* make sure all context attrs are mappable (in 'names')
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* make sure all context attrs have already been mapped?
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* maybe postpone generation until they have been mapped?
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*/
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map->u.generate.generate_remote(module, map->local_name, msg, remote, local);
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return 0;
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}
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if (el == NULL) {
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return -1;
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}
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return ldb_msg_add(remote, el, old->flags);
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local:
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el = talloc(local, struct ldb_message_element);
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if (el == NULL) {
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map_oom(module);
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return -1;
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}
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*el = *old; /* copy the old element */
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return ldb_msg_add(local, el, old->flags);
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}
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/* Mapping messages
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* ================ */
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/* Check whether a message will be (partially) mapped into the remote partition. */
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static bool ldb_msg_check_remote(struct ldb_module *module, const struct ldb_message *msg)
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{
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const struct ldb_map_context *data = map_get_context(module);
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bool ret;
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unsigned int i;
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for (i = 0; i < msg->num_elements; i++) {
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ret = map_attr_check_remote(data, msg->elements[i].name);
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if (ret) {
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return ret;
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}
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}
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return false;
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}
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/* Split message elements that stay in the local partition from those
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* that are mapped into the remote partition. */
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static int ldb_msg_partition(struct ldb_module *module, enum ldb_request_type optype, struct ldb_message *local, struct ldb_message *remote, const struct ldb_message *msg)
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{
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/* const char * const names[]; */
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struct ldb_context *ldb;
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unsigned int i;
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int ret;
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ldb = ldb_module_get_ctx(module);
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for (i = 0; i < msg->num_elements; i++) {
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/* Skip 'IS_MAPPED' */
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if (ldb_attr_cmp(msg->elements[i].name, IS_MAPPED) == 0) {
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ldb_debug(ldb, LDB_DEBUG_WARNING, "ldb_map: "
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"Skipping attribute '%s'",
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msg->elements[i].name);
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continue;
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}
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ret = ldb_msg_el_partition(module, optype, local, remote, msg, msg->elements[i].name, &msg->elements[i]);
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if (ret) {
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return ret;
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}
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}
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return 0;
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}
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static int map_add_do_local(struct map_context *ac);
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static int map_modify_do_local(struct map_context *ac);
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static int map_delete_do_local(struct map_context *ac);
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static int map_rename_do_local(struct map_context *ac);
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static int map_rename_do_fixup(struct map_context *ac);
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static int map_rename_local_callback(struct ldb_request *req,
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struct ldb_reply *ares);
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/*****************************************************************************
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* COMMON INBOUND functions
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*****************************************************************************/
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/* Store the DN of a single search result in context. */
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static int map_search_self_callback(struct ldb_request *req, struct ldb_reply *ares)
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{
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struct ldb_context *ldb;
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struct map_context *ac;
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int ret;
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ac = talloc_get_type(req->context, struct map_context);
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ldb = ldb_module_get_ctx(ac->module);
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if (!ares) {
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return ldb_module_done(ac->req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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if (ares->error != LDB_SUCCESS) {
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return ldb_module_done(ac->req, ares->controls,
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ares->response, ares->error);
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}
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/* We are interested only in the single reply */
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switch(ares->type) {
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case LDB_REPLY_ENTRY:
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/* We have already found a remote DN */
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if (ac->local_dn) {
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ldb_set_errstring(ldb,
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"Too many results!");
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return ldb_module_done(ac->req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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/* Store local DN */
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ac->local_dn = talloc_steal(ac, ares->message->dn);
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break;
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case LDB_REPLY_DONE:
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switch (ac->req->operation) {
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case LDB_MODIFY:
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ret = map_modify_do_local(ac);
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break;
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case LDB_DELETE:
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ret = map_delete_do_local(ac);
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break;
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case LDB_RENAME:
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ret = map_rename_do_local(ac);
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break;
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default:
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/* if we get here we have definitely a problem */
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ret = LDB_ERR_OPERATIONS_ERROR;
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}
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if (ret != LDB_SUCCESS) {
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return ldb_module_done(ac->req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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break;
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default:
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/* ignore referrals */
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break;
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}
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talloc_free(ares);
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return LDB_SUCCESS;
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}
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/* Build a request to search the local record by its DN. */
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static int map_search_self_req(struct ldb_request **req,
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struct map_context *ac,
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struct ldb_dn *dn)
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{
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/* attrs[] is returned from this function in
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* ac->search_req->op.search.attrs, so it must be static, as
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* otherwise the compiler can put it on the stack */
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static const char * const attrs[] = { IS_MAPPED, NULL };
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struct ldb_parse_tree *tree;
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/* Limit search to records with 'IS_MAPPED' present */
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tree = ldb_parse_tree(ac, "(" IS_MAPPED "=*)");
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if (tree == NULL) {
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map_oom(ac->module);
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return LDB_ERR_OPERATIONS_ERROR;
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}
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*req = map_search_base_req(ac, dn, attrs, tree,
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ac, map_search_self_callback);
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if (*req == NULL) {
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return LDB_ERR_OPERATIONS_ERROR;
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}
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return LDB_SUCCESS;
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}
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static int map_op_local_callback(struct ldb_request *req,
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struct ldb_reply *ares)
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{
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struct ldb_context *ldb;
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struct map_context *ac;
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int ret;
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ac = talloc_get_type(req->context, struct map_context);
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ldb = ldb_module_get_ctx(ac->module);
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if (!ares) {
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return ldb_module_done(ac->req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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if (ares->error != LDB_SUCCESS) {
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return ldb_module_done(ac->req, ares->controls,
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ares->response, ares->error);
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}
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if (ares->type != LDB_REPLY_DONE) {
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ldb_asprintf_errstring(ldb, "Invalid LDB reply type %d", ares->type);
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return ldb_module_done(ac->req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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/* Do the remote request. */
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ret = ldb_next_remote_request(ac->module, ac->remote_req);
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if (ret != LDB_SUCCESS) {
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return ldb_module_done(ac->req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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return LDB_SUCCESS;
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}
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static int map_op_remote_callback(struct ldb_request *req,
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struct ldb_reply *ares)
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{
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struct ldb_context *ldb;
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struct map_context *ac;
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ac = talloc_get_type(req->context, struct map_context);
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ldb = ldb_module_get_ctx(ac->module);
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if (!ares) {
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return ldb_module_done(ac->req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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if (ares->error != LDB_SUCCESS) {
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return ldb_module_done(ac->req, ares->controls,
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ares->response, ares->error);
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}
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if (ares->type != LDB_REPLY_DONE) {
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ldb_asprintf_errstring(ldb, "Invalid LDB reply type %d", ares->type);
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return ldb_module_done(ac->req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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return ldb_module_done(ac->req, ares->controls,
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ares->response, ares->error);
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}
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/*****************************************************************************
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* ADD operations
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*****************************************************************************/
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/* Add a record. */
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int ldb_map_add(struct ldb_module *module, struct ldb_request *req)
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{
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const struct ldb_message *msg = req->op.add.message;
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struct ldb_context *ldb;
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struct map_context *ac;
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struct ldb_message *remote_msg;
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int ret;
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ldb = ldb_module_get_ctx(module);
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/* Do not manipulate our control entries */
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if (ldb_dn_is_special(msg->dn)) {
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return ldb_next_request(module, req);
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}
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/* No mapping requested (perhaps no DN mapping specified), skip to next module */
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if (!ldb_dn_check_local(module, msg->dn)) {
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return ldb_next_request(module, req);
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}
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/* No mapping needed, fail */
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if (!ldb_msg_check_remote(module, msg)) {
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return LDB_ERR_OPERATIONS_ERROR;
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}
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/* Prepare context and handle */
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ac = map_init_context(module, req);
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if (ac == NULL) {
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return LDB_ERR_OPERATIONS_ERROR;
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}
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/* Prepare the local message */
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ac->local_msg = ldb_msg_new(ac);
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if (ac->local_msg == NULL) {
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map_oom(module);
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return LDB_ERR_OPERATIONS_ERROR;
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}
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ac->local_msg->dn = msg->dn;
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/* Prepare the remote message */
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remote_msg = ldb_msg_new(ac);
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if (remote_msg == NULL) {
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map_oom(module);
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return LDB_ERR_OPERATIONS_ERROR;
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}
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remote_msg->dn = ldb_dn_map_local(ac->module, remote_msg, msg->dn);
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/* Split local from remote message */
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ldb_msg_partition(module, req->operation, ac->local_msg, remote_msg, msg);
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/* Prepare the remote operation */
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ret = ldb_build_add_req(&ac->remote_req, ldb,
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ac, remote_msg,
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req->controls,
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ac, map_op_remote_callback,
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req);
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LDB_REQ_SET_LOCATION(ac->remote_req);
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if (ret != LDB_SUCCESS) {
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return LDB_ERR_OPERATIONS_ERROR;
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}
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if ((ac->local_msg->num_elements == 0) ||
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( ! map_check_local_db(ac->module))) {
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/* No local data or db, just run the remote request */
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return ldb_next_remote_request(ac->module, ac->remote_req);
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}
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/* Store remote DN in 'IS_MAPPED' */
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/* TODO: use GUIDs here instead */
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ret = ldb_msg_add_linearized_dn(ac->local_msg, IS_MAPPED,
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remote_msg->dn);
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if (ret != LDB_SUCCESS) {
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return LDB_ERR_OPERATIONS_ERROR;
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}
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return map_add_do_local(ac);
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}
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/* Add the local record. */
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static int map_add_do_local(struct map_context *ac)
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{
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struct ldb_request *local_req;
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struct ldb_context *ldb;
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int ret;
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ldb = ldb_module_get_ctx(ac->module);
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/* Prepare the local operation */
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ret = ldb_build_add_req(&local_req, ldb, ac,
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ac->local_msg,
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ac->req->controls,
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ac,
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map_op_local_callback,
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ac->req);
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LDB_REQ_SET_LOCATION(local_req);
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if (ret != LDB_SUCCESS) {
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return LDB_ERR_OPERATIONS_ERROR;
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}
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return ldb_next_request(ac->module, local_req);
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}
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|
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/*****************************************************************************
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* MODIFY operations
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*****************************************************************************/
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/* Modify a record. */
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int ldb_map_modify(struct ldb_module *module, struct ldb_request *req)
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{
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const struct ldb_message *msg = req->op.mod.message;
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struct ldb_request *search_req = NULL;
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struct ldb_message *remote_msg;
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struct ldb_context *ldb;
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struct map_context *ac;
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int ret;
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ldb = ldb_module_get_ctx(module);
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/* Do not manipulate our control entries */
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if (ldb_dn_is_special(msg->dn)) {
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return ldb_next_request(module, req);
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}
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/* No mapping requested (perhaps no DN mapping specified), skip to next module */
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if (!ldb_dn_check_local(module, msg->dn)) {
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return ldb_next_request(module, req);
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}
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/* No mapping needed, skip to next module */
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/* TODO: What if the remote part exists, the local doesn't,
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* and this request wants to modify local data and thus
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* add the local record? */
|
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if (!ldb_msg_check_remote(module, msg)) {
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return LDB_ERR_OPERATIONS_ERROR;
|
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}
|
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|
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/* Prepare context and handle */
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ac = map_init_context(module, req);
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if (ac == NULL) {
|
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return LDB_ERR_OPERATIONS_ERROR;
|
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}
|
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|
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/* 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, req->operation, 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 */
|
|
ret = ldb_msg_append_linearized_dn(ac->local_msg, IS_MAPPED,
|
|
ac->remote_req->op.mod.message->dn,
|
|
LDB_FLAG_MOD_ADD);
|
|
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 = NULL;
|
|
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_asprintf_errstring(ldb, "Invalid LDB reply type %d", ares->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);
|
|
}
|