summaryrefslogtreecommitdiff
path: root/source4/lib/ldb/ldb_map
diff options
context:
space:
mode:
Diffstat (limited to 'source4/lib/ldb/ldb_map')
-rw-r--r--source4/lib/ldb/ldb_map/ldb_map.c357
-rw-r--r--source4/lib/ldb/ldb_map/ldb_map.h4
-rw-r--r--source4/lib/ldb/ldb_map/ldb_map_inbound.c754
-rw-r--r--source4/lib/ldb/ldb_map/ldb_map_outbound.c443
-rw-r--r--source4/lib/ldb/ldb_map/ldb_map_private.h90
5 files changed, 746 insertions, 902 deletions
diff --git a/source4/lib/ldb/ldb_map/ldb_map.c b/source4/lib/ldb/ldb_map/ldb_map.c
index b3f639dc67..fafbb63b0a 100644
--- a/source4/lib/ldb/ldb_map/ldb_map.c
+++ b/source4/lib/ldb/ldb_map/ldb_map.c
@@ -3,6 +3,7 @@
Copyright (C) Jelmer Vernooij 2005
Copyright (C) Martin Kuehl <mkhl@samba.org> 2006
+ Copyright (C) Simo Sorce 2008
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
@@ -106,69 +107,23 @@ const struct ldb_map_context *map_get_context(struct ldb_module *module)
}
/* Create a generic request context. */
-static struct map_context *map_init_context(struct ldb_handle *h, struct ldb_request *req)
+struct map_context *map_init_context(struct ldb_module *module,
+ struct ldb_request *req)
{
struct map_context *ac;
- ac = talloc_zero(h, struct map_context);
+ ac = talloc_zero(req, struct map_context);
if (ac == NULL) {
- map_oom(h->module);
+ ldb_set_errstring(module->ldb, "Out of Memory");
return NULL;
}
- ac->module = h->module;
- ac->orig_req = req;
+ ac->module = module;
+ ac->req = req;
return ac;
}
-/* Create a search request context. */
-struct map_search_context *map_init_search_context(struct map_context *ac, struct ldb_reply *ares)
-{
- struct map_search_context *sc;
-
- sc = talloc_zero(ac, struct map_search_context);
- if (sc == NULL) {
- map_oom(ac->module);
- return NULL;
- }
-
- sc->ac = ac;
- sc->local_res = NULL;
- sc->remote_res = ares;
-
- return sc;
-}
-
-/* Create a request context and handle. */
-struct ldb_handle *map_init_handle(struct ldb_request *req, struct ldb_module *module)
-{
- struct map_context *ac;
- struct ldb_handle *h;
-
- h = talloc_zero(req, struct ldb_handle);
- if (h == NULL) {
- map_oom(module);
- return NULL;
- }
-
- h->module = module;
-
- ac = map_init_context(h, req);
- if (ac == NULL) {
- talloc_free(h);
- return NULL;
- }
-
- h->private_data = (void *)ac;
-
- h->state = LDB_ASYNC_INIT;
- h->status = LDB_SUCCESS;
-
- return h;
-}
-
-
/* Dealing with DNs for different partitions
* ========================================= */
@@ -888,113 +843,52 @@ static int map_objectclass_convert_operator(struct ldb_module *module, void *mem
/* Auxiliary request construction
* ============================== */
-/* Store the DN of a single search result in context. */
-static int map_search_self_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
-{
- struct map_context *ac;
-
- if (context == NULL || ares == NULL) {
- ldb_set_errstring(ldb, talloc_asprintf(ldb, "NULL Context or Result in callback"));
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ac = talloc_get_type(context, struct map_context);
-
- /* We are interested only in the single reply */
- if (ares->type != LDB_REPLY_ENTRY) {
- talloc_free(ares);
- return LDB_SUCCESS;
- }
-
- /* We have already found a remote DN */
- if (ac->local_dn) {
- ldb_set_errstring(ldb, talloc_asprintf(ldb, "Too many results to base search"));
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* Store local DN */
- ac->local_dn = ares->message->dn;
-
- return LDB_SUCCESS;
-}
-
/* Build a request to search a record by its DN. */
-struct ldb_request *map_search_base_req(struct map_context *ac, struct ldb_dn *dn, const char * const *attrs, const struct ldb_parse_tree *tree, void *context, ldb_search_callback callback)
+struct ldb_request *map_search_base_req(struct map_context *ac, struct ldb_dn *dn, const char * const *attrs, const struct ldb_parse_tree *tree, void *context, ldb_map_callback_t callback)
{
+ const struct ldb_parse_tree *search_tree;
struct ldb_request *req;
-
- req = talloc_zero(ac, struct ldb_request);
- if (req == NULL) {
- map_oom(ac->module);
- return NULL;
- }
-
- req->operation = LDB_SEARCH;
- req->op.search.base = dn;
- req->op.search.scope = LDB_SCOPE_BASE;
- req->op.search.attrs = attrs;
+ int ret;
if (tree) {
- req->op.search.tree = tree;
+ search_tree = tree;
} else {
- req->op.search.tree = ldb_parse_tree(req, NULL);
- if (req->op.search.tree == NULL) {
- talloc_free(req);
+ search_tree = ldb_parse_tree(ac, NULL);
+ if (search_tree == NULL) {
return NULL;
}
}
- req->controls = NULL;
- req->context = context;
- req->callback = callback;
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, req);
-
- return req;
-}
-
-/* Build a request to search the local record by its DN. */
-struct ldb_request *map_search_self_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 */
- /* TODO: `tree = ldb_parse_tree(ac, IS_MAPPED);' won't do. */
- tree = talloc_zero(ac, struct ldb_parse_tree);
- if (tree == NULL) {
- map_oom(ac->module);
+ ret = ldb_build_search_req_ex(&req, ac->module->ldb, ac,
+ dn, LDB_SCOPE_BASE,
+ search_tree, attrs,
+ NULL,
+ context, callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
return NULL;
}
- tree->operation = LDB_OP_PRESENT;
- tree->u.present.attr = talloc_strdup(tree, IS_MAPPED);
-
- return map_search_base_req(ac, dn, attrs, tree, ac, map_search_self_callback);
+ return req;
}
/* Build a request to update the 'IS_MAPPED' attribute */
-struct ldb_request *map_build_fixup_req(struct map_context *ac, struct ldb_dn *olddn, struct ldb_dn *newdn)
+struct ldb_request *map_build_fixup_req(struct map_context *ac,
+ struct ldb_dn *olddn,
+ struct ldb_dn *newdn,
+ void *context,
+ ldb_map_callback_t callback)
{
struct ldb_request *req;
struct ldb_message *msg;
const char *dn;
-
- /* Prepare request */
- req = talloc_zero(ac, struct ldb_request);
- if (req == NULL) {
- map_oom(ac->module);
- return NULL;
- }
+ int ret;
/* Prepare message */
- msg = ldb_msg_new(req);
+ msg = ldb_msg_new(ac);
if (msg == NULL) {
map_oom(ac->module);
- goto failed;
+ return NULL;
}
/* Update local 'IS_MAPPED' to the new remote DN */
@@ -1010,193 +904,22 @@ struct ldb_request *map_build_fixup_req(struct map_context *ac, struct ldb_dn *o
goto failed;
}
- req->operation = LDB_MODIFY;
- req->op.mod.message = msg;
- req->controls = NULL;
- req->handle = NULL;
- req->context = NULL;
- req->callback = NULL;
+ /* Prepare request */
+ ret = ldb_build_mod_req(&req, ac->module->ldb,
+ ac, msg, NULL,
+ context, callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+ talloc_steal(req, msg);
return req;
-
failed:
- talloc_free(req);
+ talloc_free(msg);
return NULL;
}
-
-/* Asynchronous call structure
- * =========================== */
-
-/* Figure out which request is currently pending. */
-static struct ldb_request *map_get_req(struct map_context *ac)
-{
- switch (ac->step) {
- case MAP_SEARCH_SELF_MODIFY:
- case MAP_SEARCH_SELF_DELETE:
- case MAP_SEARCH_SELF_RENAME:
- return ac->search_req;
-
- case MAP_ADD_REMOTE:
- case MAP_MODIFY_REMOTE:
- case MAP_DELETE_REMOTE:
- case MAP_RENAME_REMOTE:
- return ac->remote_req;
-
- case MAP_RENAME_FIXUP:
- return ac->down_req;
-
- case MAP_ADD_LOCAL:
- case MAP_MODIFY_LOCAL:
- case MAP_DELETE_LOCAL:
- case MAP_RENAME_LOCAL:
- return ac->local_req;
-
- case MAP_SEARCH_REMOTE:
- /* Can't happen */
- break;
- }
-
- return NULL; /* unreachable; silences a warning */
-}
-
-typedef int (*map_next_function)(struct ldb_handle *handle);
-
-/* Figure out the next request to run. */
-static map_next_function map_get_next(struct map_context *ac)
-{
- switch (ac->step) {
- case MAP_SEARCH_REMOTE:
- return NULL;
-
- case MAP_ADD_LOCAL:
- return map_add_do_remote;
- case MAP_ADD_REMOTE:
- return NULL;
-
- case MAP_SEARCH_SELF_MODIFY:
- return map_modify_do_local;
- case MAP_MODIFY_LOCAL:
- return map_modify_do_remote;
- case MAP_MODIFY_REMOTE:
- return NULL;
-
- case MAP_SEARCH_SELF_DELETE:
- return map_delete_do_local;
- case MAP_DELETE_LOCAL:
- return map_delete_do_remote;
- case MAP_DELETE_REMOTE:
- return NULL;
-
- case MAP_SEARCH_SELF_RENAME:
- return map_rename_do_local;
- case MAP_RENAME_LOCAL:
- return map_rename_do_fixup;
- case MAP_RENAME_FIXUP:
- return map_rename_do_remote;
- case MAP_RENAME_REMOTE:
- return NULL;
- }
-
- return NULL; /* unreachable; silences a warning */
-}
-
-/* Wait for the current pending request to finish and continue with the next. */
-static int map_wait_next(struct ldb_handle *handle)
-{
- struct map_context *ac;
- struct ldb_request *req;
- map_next_function next;
- int ret;
-
- if (handle == NULL || handle->private_data == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- if (handle->state == LDB_ASYNC_DONE) {
- return handle->status;
- }
-
- handle->state = LDB_ASYNC_PENDING;
- handle->status = LDB_SUCCESS;
-
- ac = talloc_get_type(handle->private_data, struct map_context);
-
- if (ac->step == MAP_SEARCH_REMOTE) {
- int i;
- for (i = 0; i < ac->num_searches; i++) {
- req = ac->search_reqs[i];
- ret = ldb_wait(req->handle, LDB_WAIT_NONE);
-
- if (ret != LDB_SUCCESS) {
- handle->status = ret;
- goto done;
- }
- if (req->handle->status != LDB_SUCCESS) {
- handle->status = req->handle->status;
- goto done;
- }
- if (req->handle->state != LDB_ASYNC_DONE) {
- return LDB_SUCCESS;
- }
- }
- } else {
-
- req = map_get_req(ac);
-
- ret = ldb_wait(req->handle, LDB_WAIT_NONE);
-
- if (ret != LDB_SUCCESS) {
- handle->status = ret;
- goto done;
- }
- if (req->handle->status != LDB_SUCCESS) {
- handle->status = req->handle->status;
- goto done;
- }
- if (req->handle->state != LDB_ASYNC_DONE) {
- return LDB_SUCCESS;
- }
-
- next = map_get_next(ac);
- if (next) {
- return next(handle);
- }
- }
-
- ret = LDB_SUCCESS;
-
-done:
- handle->state = LDB_ASYNC_DONE;
- return ret;
-}
-
-/* Wait for all current pending requests to finish. */
-static int map_wait_all(struct ldb_handle *handle)
-{
- int ret;
-
- while (handle->state != LDB_ASYNC_DONE) {
- ret = map_wait_next(handle);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
-
- return handle->status;
-}
-
-/* Wait for pending requests to finish. */
-int map_wait(struct ldb_handle *handle, enum ldb_wait_type type)
-{
- if (type == LDB_WAIT_ALL) {
- return map_wait_all(handle);
- } else {
- return map_wait_next(handle);
- }
-}
-
-
/* Module initialization
* ===================== */
@@ -1256,7 +979,7 @@ static int map_init_dns(struct ldb_module *module, struct ldb_map_context *data,
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = ldb_search(module->ldb, dn, LDB_SCOPE_BASE, NULL, attrs, &res);
+ ret = ldb_search(module->ldb, data, &res, dn, LDB_SCOPE_BASE, attrs, NULL);
talloc_free(dn);
if (ret != LDB_SUCCESS) {
return ret;
diff --git a/source4/lib/ldb/ldb_map/ldb_map.h b/source4/lib/ldb/ldb_map/ldb_map.h
index e40bb9cd7e..7f92c15b98 100644
--- a/source4/lib/ldb/ldb_map/ldb_map.h
+++ b/source4/lib/ldb/ldb_map/ldb_map.h
@@ -160,14 +160,12 @@ int map_search(struct ldb_module *module, struct ldb_request *req);
int map_rename(struct ldb_module *module, struct ldb_request *req);
int map_delete(struct ldb_module *module, struct ldb_request *req);
int map_modify(struct ldb_module *module, struct ldb_request *req);
-int map_wait(struct ldb_handle *handle, enum ldb_wait_type type);
#define LDB_MAP_OPS \
.add = map_add, \
.modify = map_modify, \
.del = map_delete, \
.rename = map_rename, \
- .search = map_search, \
- .wait = map_wait,
+ .search = map_search,
#endif /* __LDB_MAP_H__ */
diff --git a/source4/lib/ldb/ldb_map/ldb_map_inbound.c b/source4/lib/ldb/ldb_map/ldb_map_inbound.c
index 7fc3ac4ed5..96605f23eb 100644
--- a/source4/lib/ldb/ldb_map/ldb_map_inbound.c
+++ b/source4/lib/ldb/ldb_map/ldb_map_inbound.c
@@ -3,6 +3,7 @@
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
@@ -178,51 +179,181 @@ static int ldb_msg_partition(struct ldb_module *module, struct ldb_message *loca
}
-/* Inbound requests: add, modify, rename, delete
- * ============================================= */
+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);
-/* Add the remote record. */
-int map_add_do_remote(struct ldb_handle *handle)
+
+/*****************************************************************************
+ * 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 map_context *ac;
+ int ret;
- ac = talloc_get_type(handle->private_data, struct map_context);
+ ac = talloc_get_type(req->context, struct map_context);
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->remote_req);
+ 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->step = MAP_ADD_REMOTE;
+ /* 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(ac->module->ldb,
+ "Too many results!");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
+ /* Store local DN */
+ ac->local_dn = talloc_steal(ac, ares->message->dn);
+ break;
- return ldb_next_remote_request(ac->module, ac->remote_req);
+ 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;
}
-/* Add the local record. */
-int map_add_do_local(struct ldb_handle *handle)
+/* 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 map_context *ac;
+ int ret;
- ac = talloc_get_type(handle->private_data, struct map_context);
+ ac = talloc_get_type(req->context, struct map_context);
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->local_req);
+ 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->step = MAP_ADD_LOCAL;
+ if (ares->type != LDB_REPLY_DONE) {
+ ldb_set_errstring(req->handle->ldb, "Invalid reply type!");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
+ /* 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_next_request(ac->module, ac->local_req);
+ return LDB_SUCCESS;
}
+static int map_op_remote_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct map_context *ac;
+
+ ac = talloc_get_type(req->context, struct map_context);
+
+ 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(req->handle->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 map_add(struct ldb_module *module, struct ldb_request *req)
{
const struct ldb_message *msg = req->op.add.message;
- struct ldb_handle *h;
struct map_context *ac;
- struct ldb_message *local, *remote;
+ struct ldb_message *remote_msg;
const char *dn;
+ int ret;
/* Do not manipulate our control entries */
if (ldb_dn_is_special(msg->dn)) {
@@ -240,141 +371,88 @@ int map_add(struct ldb_module *module, struct ldb_request *req)
}
/* Prepare context and handle */
- h = map_init_handle(req, module);
- if (h == NULL) {
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
- ac = talloc_get_type(h->private_data, struct map_context);
-
- /* Prepare the local operation */
- ac->local_req = talloc(ac, struct ldb_request);
- if (ac->local_req == NULL) {
- goto oom;
- }
- *(ac->local_req) = *req; /* copy the request */
-
- ac->local_req->context = NULL;
- ac->local_req->callback = NULL;
-
- /* Prepare the remote operation */
- ac->remote_req = talloc(ac, struct ldb_request);
- if (ac->remote_req == NULL) {
- goto oom;
- }
-
- *(ac->remote_req) = *req; /* copy the request */
-
- ac->remote_req->context = NULL;
- ac->remote_req->callback = NULL;
/* Prepare the local message */
- local = ldb_msg_new(ac->local_req);
- if (local == NULL) {
- goto oom;
+ ac->local_msg = ldb_msg_new(ac);
+ if (ac->local_msg == NULL) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
}
- local->dn = msg->dn;
+ ac->local_msg->dn = msg->dn;
/* Prepare the remote message */
- remote = ldb_msg_new(ac->remote_req);
- if (remote == NULL) {
- goto oom;
+ remote_msg = ldb_msg_new(ac);
+ if (remote_msg == NULL) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
}
- remote->dn = ldb_dn_map_local(ac->module, remote, msg->dn);
+ remote_msg->dn = ldb_dn_map_local(ac->module, remote_msg, msg->dn);
/* Split local from remote message */
- ldb_msg_partition(module, local, remote, msg);
- ac->local_req->op.add.message = local;
- ac->remote_req->op.add.message = remote;
+ ldb_msg_partition(module, ac->local_msg, remote_msg, msg);
+
+ /* Prepare the remote operation */
+ ret = ldb_build_add_req(&ac->remote_req, module->ldb,
+ ac, remote_msg,
+ req->controls,
+ ac, map_op_remote_callback,
+ req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- if ((local->num_elements == 0) || (!map_check_local_db(ac->module))) {
+ if ((ac->local_msg->num_elements == 0) ||
+ ( ! map_check_local_db(ac->module))) {
/* No local data or db, just run the remote request */
- talloc_free(ac->local_req);
- req->handle = h; /* return our own handle to deal with this call */
- return map_add_do_remote(h);
+ return ldb_next_remote_request(ac->module, ac->remote_req);
}
/* Store remote DN in 'IS_MAPPED' */
/* TODO: use GUIDs here instead */
- dn = ldb_dn_alloc_linearized(local, remote->dn);
- if (ldb_msg_add_string(local, IS_MAPPED, dn) != 0) {
- goto failed;
+ dn = ldb_dn_alloc_linearized(ac->local_msg, remote_msg->dn);
+ if (ldb_msg_add_string(ac->local_msg, IS_MAPPED, dn) != 0) {
+ return LDB_ERR_OPERATIONS_ERROR;
}
- req->handle = h; /* return our own handle to deal with this call */
- return map_add_do_local(h);
-
-oom:
- map_oom(module);
-failed:
- talloc_free(h);
- return LDB_ERR_OPERATIONS_ERROR;
-}
-
-/* Modify the remote record. */
-int map_modify_do_remote(struct ldb_handle *handle)
-{
- struct map_context *ac;
-
- ac = talloc_get_type(handle->private_data, struct map_context);
-
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->remote_req);
-
- ac->step = MAP_MODIFY_REMOTE;
-
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
-
- return ldb_next_remote_request(ac->module, ac->remote_req);
+ return map_add_do_local(ac);
}
-/* Modify the local record. */
-int map_modify_do_local(struct ldb_handle *handle)
+/* Add the local record. */
+static int map_add_do_local(struct map_context *ac)
{
- struct map_context *ac;
- struct ldb_message *msg;
- char *dn;
-
- ac = talloc_get_type(handle->private_data, struct map_context);
-
- if (ac->local_dn == NULL) {
- /* No local record present, add it instead */
- msg = discard_const_p(struct ldb_message, ac->local_req->op.mod.message);
-
- /* Add local 'IS_MAPPED' */
- /* TODO: use GUIDs here instead */
- if (ldb_msg_add_empty(msg, IS_MAPPED, LDB_FLAG_MOD_ADD, NULL) != 0) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- dn = ldb_dn_alloc_linearized(msg, ac->remote_req->op.mod.message->dn);
- if (ldb_msg_add_string(msg, IS_MAPPED, dn) != 0) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ struct ldb_request *local_req;
+ int ret;
- /* Turn request into 'add' */
- ac->local_req->operation = LDB_ADD;
- ac->local_req->op.add.message = msg;
- /* TODO: Could I just leave msg in there? I think so,
- * but it looks clearer this way. */
+ /* Prepare the local operation */
+ ret = ldb_build_add_req(&local_req, ac->module->ldb, ac,
+ ac->local_msg,
+ ac->req->controls,
+ ac,
+ map_op_local_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
}
-
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->local_req);
-
- ac->step = MAP_MODIFY_LOCAL;
-
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
-
- return ldb_next_request(ac->module, ac->local_req);
+ return ldb_next_request(ac->module, local_req);
}
+/*****************************************************************************
+ * MODIFY operations
+*****************************************************************************/
+
/* Modify a record. */
int map_modify(struct ldb_module *module, struct ldb_request *req)
{
const struct ldb_message *msg = req->op.mod.message;
- struct ldb_handle *h;
+ struct ldb_request *search_req;
+ struct ldb_message *remote_msg;
struct map_context *ac;
- struct ldb_message *local, *remote;
+ int ret;
/* Do not manipulate our control entries */
if (ldb_dn_is_special(msg->dn)) {
@@ -395,257 +473,200 @@ int map_modify(struct ldb_module *module, struct ldb_request *req)
}
/* Prepare context and handle */
- h = map_init_handle(req, module);
- if (h == NULL) {
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
- ac = talloc_get_type(h->private_data, struct map_context);
-
- /* Prepare the local operation */
- ac->local_req = talloc(ac, struct ldb_request);
- if (ac->local_req == NULL) {
- goto oom;
- }
-
- *(ac->local_req) = *req; /* copy the request */
-
- ac->local_req->context = NULL;
- ac->local_req->callback = NULL;
-
- /* Prepare the remote operation */
- ac->remote_req = talloc(ac, struct ldb_request);
- if (ac->remote_req == NULL) {
- goto oom;
- }
-
- *(ac->remote_req) = *req; /* copy the request */
-
- ac->remote_req->context = NULL;
- ac->remote_req->callback = NULL;
/* Prepare the local message */
- local = ldb_msg_new(ac->local_req);
- if (local == NULL) {
- goto oom;
+ ac->local_msg = ldb_msg_new(ac);
+ if (ac->local_msg == NULL) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
}
- local->dn = msg->dn;
+ ac->local_msg->dn = msg->dn;
/* Prepare the remote message */
- remote = ldb_msg_new(ac->remote_req);
- if (remote == NULL) {
- goto oom;
+ remote_msg = ldb_msg_new(ac->remote_req);
+ if (remote_msg == NULL) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
}
- remote->dn = ldb_dn_map_local(ac->module, remote, msg->dn);
+ remote_msg->dn = ldb_dn_map_local(ac->module, remote_msg, msg->dn);
/* Split local from remote message */
- ldb_msg_partition(module, local, remote, msg);
- ac->local_req->op.mod.message = local;
- ac->remote_req->op.mod.message = remote;
+ ldb_msg_partition(module, ac->local_msg, remote_msg, msg);
+
+ /* Prepare the remote operation */
+ ret = ldb_build_mod_req(&ac->remote_req, module->ldb,
+ ac, remote_msg,
+ req->controls,
+ ac, map_op_remote_callback,
+ req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- if ((local->num_elements == 0) || (!map_check_local_db(ac->module))) {
+ if ((ac->local_msg->num_elements == 0) ||
+ ( ! map_check_local_db(ac->module))) {
/* No local data or db, just run the remote request */
- talloc_free(ac->local_req);
- req->handle = h; /* return our own handle to deal with this call */
- return map_modify_do_remote(h);
+ return ldb_next_remote_request(ac->module, ac->remote_req);
}
/* prepare the search operation */
- ac->search_req = map_search_self_req(ac, msg->dn);
- if (ac->search_req == NULL) {
- goto failed;
+ ret = map_search_self_req(&search_req, ac, msg->dn);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
}
- ac->step = MAP_SEARCH_SELF_MODIFY;
-
- req->handle = h; /* return our own handle to deal with this call */
- return ldb_next_request(module, ac->search_req);
-
-oom:
- map_oom(module);
-failed:
- talloc_free(h);
- return LDB_ERR_OPERATIONS_ERROR;
-}
-
-/* Delete the remote record. */
-int map_delete_do_remote(struct ldb_handle *handle)
-{
- struct map_context *ac;
-
- ac = talloc_get_type(handle->private_data, struct map_context);
-
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->remote_req);
-
- ac->step = MAP_DELETE_REMOTE;
-
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
-
- return ldb_next_remote_request(ac->module, ac->remote_req);
+ return ldb_next_request(module, search_req);
}
-/* Delete the local record. */
-int map_delete_do_local(struct ldb_handle *handle)
+/* Modify the local record. */
+static int map_modify_do_local(struct map_context *ac)
{
- struct map_context *ac;
-
- ac = talloc_get_type(handle->private_data, struct map_context);
+ struct ldb_request *local_req;
+ char *dn;
+ int ret;
- /* No local record, continue remotely */
if (ac->local_dn == NULL) {
- return map_delete_do_remote(handle);
- }
-
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->local_req);
-
- ac->step = MAP_DELETE_LOCAL;
+ /* 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;
+ }
+ dn = ldb_dn_alloc_linearized(ac->local_msg,
+ ac->remote_req->op.mod.message->dn);
+ if (ldb_msg_add_string(ac->local_msg, IS_MAPPED, dn) != 0) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
+ /* Prepare the local operation */
+ ret = ldb_build_add_req(&local_req, ac->module->ldb, ac,
+ ac->local_msg,
+ ac->req->controls,
+ ac,
+ map_op_local_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ } else {
+ /* Prepare the local operation */
+ ret = ldb_build_mod_req(&local_req, ac->module->ldb, ac,
+ ac->local_msg,
+ ac->req->controls,
+ ac,
+ map_op_local_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ }
- return ldb_next_request(ac->module, ac->local_req);
+ return ldb_next_request(ac->module, local_req);
}
+/*****************************************************************************
+ * DELETE operations
+*****************************************************************************/
+
/* Delete a record. */
int map_delete(struct ldb_module *module, struct ldb_request *req)
{
- struct ldb_handle *h;
+ struct ldb_request *search_req;
struct map_context *ac;
+ int ret;
/* 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 */
+ /* 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 */
- h = map_init_handle(req, module);
- if (h == NULL) {
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
- ac = talloc_get_type(h->private_data, struct map_context);
-
- /* Prepare the local operation */
- ac->local_req = talloc(ac, struct ldb_request);
- if (ac->local_req == NULL) {
- goto oom;
- }
-
- *(ac->local_req) = *req; /* copy the request */
- ac->local_req->op.del.dn = req->op.del.dn;
-
- ac->local_req->context = NULL;
- ac->local_req->callback = NULL;
/* Prepare the remote operation */
- ac->remote_req = talloc(ac, struct ldb_request);
- if (ac->remote_req == NULL) {
- goto oom;
+ ret = ldb_build_del_req(&ac->remote_req, module->ldb, ac,
+ ldb_dn_map_local(module, ac, req->op.del.dn),
+ req->controls,
+ ac,
+ map_op_remote_callback,
+ req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
}
- *(ac->remote_req) = *req; /* copy the request */
- ac->remote_req->op.del.dn = ldb_dn_map_local(module, ac->remote_req, req->op.del.dn);
-
/* No local db, just run the remote request */
if (!map_check_local_db(ac->module)) {
- req->handle = h; /* return our own handle to deal with this call */
- return map_delete_do_remote(h);
+ /* Do the remote request. */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
}
- ac->remote_req->context = NULL;
- ac->remote_req->callback = NULL;
-
/* Prepare the search operation */
- ac->search_req = map_search_self_req(ac, req->op.del.dn);
- if (ac->search_req == NULL) {
- goto failed;
+ ret = map_search_self_req(&search_req, ac, req->op.del.dn);
+ if (ret != LDB_SUCCESS) {
+ map_oom(module);
+ return LDB_ERR_OPERATIONS_ERROR;
}
- req->handle = h; /* return our own handle to deal with this call */
-
- ac->step = MAP_SEARCH_SELF_DELETE;
-
- return ldb_next_request(module, ac->search_req);
-
-oom:
- map_oom(module);
-failed:
- talloc_free(h);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_next_request(module, search_req);
}
-/* Rename the remote record. */
-int map_rename_do_remote(struct ldb_handle *handle)
-{
- struct map_context *ac;
-
- ac = talloc_get_type(handle->private_data, struct map_context);
-
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->remote_req);
-
- ac->step = MAP_RENAME_REMOTE;
-
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
-
- return ldb_next_remote_request(ac->module, ac->remote_req);
-}
-
-/* Update the local 'IS_MAPPED' attribute. */
-int map_rename_do_fixup(struct ldb_handle *handle)
-{
- struct map_context *ac;
-
- ac = talloc_get_type(handle->private_data, struct map_context);
-
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->down_req);
-
- ac->step = MAP_RENAME_FIXUP;
-
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
-
- return ldb_next_request(ac->module, ac->down_req);
-}
-
-/* Rename the local record. */
-int map_rename_do_local(struct ldb_handle *handle)
+/* Delete the local record. */
+static int map_delete_do_local(struct map_context *ac)
{
- struct map_context *ac;
-
- ac = talloc_get_type(handle->private_data, struct map_context);
+ struct ldb_request *local_req;
+ int ret;
/* No local record, continue remotely */
if (ac->local_dn == NULL) {
- return map_rename_do_remote(handle);
+ /* Do the remote request. */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
}
- ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->local_req);
-
- ac->step = MAP_RENAME_LOCAL;
-
- handle->state = LDB_ASYNC_INIT;
- handle->status = LDB_SUCCESS;
-
- return ldb_next_request(ac->module, ac->local_req);
+ /* Prepare the local operation */
+ ret = ldb_build_del_req(&local_req, ac->module->ldb, ac,
+ ac->req->op.del.dn,
+ ac->req->controls,
+ ac,
+ map_op_local_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ return ldb_next_request(ac->module, local_req);
}
+/*****************************************************************************
+ * RENAME operations
+*****************************************************************************/
+
/* Rename a record. */
int map_rename(struct ldb_module *module, struct ldb_request *req)
{
- struct ldb_handle *h;
+ struct ldb_request *search_req;
struct map_context *ac;
+ int ret;
/* 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 */
+ /* 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);
@@ -658,66 +679,113 @@ int map_rename(struct ldb_module *module, struct ldb_request *req)
}
/* Prepare context and handle */
- h = map_init_handle(req, module);
- if (h == NULL) {
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
- ac = talloc_get_type(h->private_data, struct map_context);
- /* Prepare the local operation */
- ac->local_req = talloc(ac, struct ldb_request);
- if (ac->local_req == NULL) {
- goto oom;
+ /* Prepare the remote operation */
+ ret = ldb_build_rename_req(&ac->remote_req, module->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);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
}
- *(ac->local_req) = *req; /* copy the request */
- ac->local_req->op.rename.olddn = req->op.rename.olddn;
- ac->local_req->op.rename.newdn = req->op.rename.newdn;
+ /* 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);
+ }
- ac->local_req->context = NULL;
- ac->local_req->callback = NULL;
+ /* 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;
+ }
- /* Prepare the remote operation */
- ac->remote_req = talloc(ac, struct ldb_request);
- if (ac->remote_req == NULL) {
- goto oom;
+ 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;
+ int ret;
+
+ /* No local record, continue remotely */
+ if (ac->local_dn == NULL) {
+ /* Do the remote request. */
+ return ldb_next_remote_request(ac->module, ac->remote_req);
}
- *(ac->remote_req) = *req; /* copy the request */
- ac->remote_req->op.rename.olddn = ldb_dn_map_local(module, ac->remote_req, req->op.rename.olddn);
- ac->remote_req->op.rename.newdn = ldb_dn_map_local(module, ac->remote_req, req->op.rename.newdn);
+ /* Prepare the local operation */
+ ret = ldb_build_rename_req(&local_req, ac->module->ldb, ac,
+ ac->req->op.rename.olddn,
+ ac->req->op.rename.newdn,
+ ac->req->controls,
+ ac,
+ map_rename_local_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- ac->remote_req->context = NULL;
- ac->remote_req->callback = NULL;
+ return ldb_next_request(ac->module, local_req);
+}
- /* No local db, just run the remote request */
- if (!map_check_local_db(ac->module)) {
- req->handle = h; /* return our own handle to deal with this call */
- return map_rename_do_remote(h);
+static int map_rename_local_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct map_context *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct map_context);
+
+ 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);
}
- /* Prepare the fixup operation */
- /* TODO: use GUIDs here instead -- or skip it when GUIDs are used. */
- ac->down_req = map_build_fixup_req(ac, req->op.rename.newdn, ac->remote_req->op.rename.newdn);
- if (ac->down_req == NULL) {
- goto failed;
+ if (ares->type != LDB_REPLY_DONE) {
+ ldb_set_errstring(req->handle->ldb, "Invalid reply type!");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
}
- /* Prepare the search operation */
- ac->search_req = map_search_self_req(ac, req->op.rename.olddn);
- if (ac->search_req == NULL) {
- goto failed;
+ /* 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);
}
- req->handle = h; /* return our own handle to deal with this call */
+ return LDB_SUCCESS;
+}
- ac->step = MAP_SEARCH_SELF_RENAME;
+/* Update the local 'IS_MAPPED' attribute. */
+static int map_rename_do_fixup(struct map_context *ac)
+{
+ struct ldb_request *local_req;
- return ldb_next_request(module, ac->search_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;
+ }
-oom:
- map_oom(module);
-failed:
- talloc_free(h);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_next_request(ac->module, local_req);
}
diff --git a/source4/lib/ldb/ldb_map/ldb_map_outbound.c b/source4/lib/ldb/ldb_map/ldb_map_outbound.c
index fbc097f313..5f524a8be3 100644
--- a/source4/lib/ldb/ldb_map/ldb_map_outbound.c
+++ b/source4/lib/ldb/ldb_map/ldb_map_outbound.c
@@ -4,6 +4,7 @@
Copyright (C) Jelmer Vernooij 2005
Copyright (C) Martin Kuehl <mkhl@samba.org> 2006
Copyright (C) Andrew Bartlett <abartlet@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
@@ -905,7 +906,11 @@ static int map_subtree_collect_remote(struct ldb_module *module, void *mem_ctx,
/* Split subtrees that query attributes in the local partition from
* those that query the remote partition. */
-static int ldb_parse_tree_partition(struct ldb_module *module, void *local_ctx, void *remote_ctx, struct ldb_parse_tree **local_tree, struct ldb_parse_tree **remote_tree, const struct ldb_parse_tree *tree)
+static int ldb_parse_tree_partition(struct ldb_module *module,
+ void *mem_ctx,
+ struct ldb_parse_tree **local_tree,
+ struct ldb_parse_tree **remote_tree,
+ const struct ldb_parse_tree *tree)
{
int ret;
@@ -918,13 +923,13 @@ static int ldb_parse_tree_partition(struct ldb_module *module, void *local_ctx,
}
/* Generate local tree */
- ret = map_subtree_select_local(module, local_ctx, local_tree, tree);
+ ret = map_subtree_select_local(module, mem_ctx, local_tree, tree);
if (ret) {
return ret;
}
/* Generate remote tree */
- ret = map_subtree_collect_remote(module, remote_ctx, remote_tree, tree);
+ ret = map_subtree_collect_remote(module, mem_ctx, remote_tree, tree);
if (ret) {
talloc_free(*local_tree);
return ret;
@@ -1008,24 +1013,46 @@ oom:
/* Outbound requests: search
* ========================= */
-/* Pass a merged search result up the callback chain. */
-int map_up_callback(struct ldb_context *ldb, const struct ldb_request *req, struct ldb_reply *ares)
+static int map_remote_search_callback(struct ldb_request *req,
+ struct ldb_reply *ares);
+static int map_local_merge_callback(struct ldb_request *req,
+ struct ldb_reply *ares);
+static int map_search_local(struct map_context *ac);
+
+static int map_save_entry(struct map_context *ac, struct ldb_reply *ares)
{
- int i;
+ struct map_reply *mr;
- /* No callback registered, stop */
- if (req->callback == NULL) {
- return LDB_SUCCESS;
+ mr = talloc_zero(ac, struct map_reply);
+ if (mr == NULL) {
+ map_oom(ac->module);
+ return LDB_ERR_OPERATIONS_ERROR;
}
-
- /* Only records need special treatment */
- if (ares->type != LDB_REPLY_ENTRY) {
- return req->callback(ldb, req->context, ares);
+ mr->remote = talloc_steal(mr, ares);
+ if (ac->r_current) {
+ ac->r_current->next = mr;
+ } else {
+ /* first entry */
+ ac->r_list = mr;
}
+ ac->r_current = mr;
+
+ return LDB_SUCCESS;
+}
+
+/* Pass a merged search result up the callback chain. */
+int map_return_entry(struct map_context *ac, struct ldb_reply *ares)
+{
+ struct ldb_message_element *el;
+ const char * const *attrs;
+ int i;
/* Merged result doesn't match original query, skip */
- if (!ldb_match_msg(ldb, ares->message, req->op.search.tree, req->op.search.base, req->op.search.scope)) {
- ldb_debug(ldb, LDB_DEBUG_TRACE, "ldb_map: "
+ if (!ldb_match_msg(ac->module->ldb, ares->message,
+ ac->req->op.search.tree,
+ ac->req->op.search.base,
+ ac->req->op.search.scope)) {
+ ldb_debug(ac->module->ldb, LDB_DEBUG_TRACE, "ldb_map: "
"Skipping record '%s': "
"doesn't match original search\n",
ldb_dn_get_linearized(ares->message->dn));
@@ -1033,10 +1060,16 @@ int map_up_callback(struct ldb_context *ldb, const struct ldb_request *req, stru
}
/* Limit result to requested attrs */
- if ((req->op.search.attrs) && (!ldb_attr_in_list(req->op.search.attrs, "*"))) {
- for (i = 0; i < ares->message->num_elements; ) {
- struct ldb_message_element *el = &ares->message->elements[i];
- if (!ldb_attr_in_list(req->op.search.attrs, el->name)) {
+ if (ac->req->op.search.attrs &&
+ (! ldb_attr_in_list(ac->req->op.search.attrs, "*"))) {
+
+ attrs = ac->req->op.search.attrs;
+ i = 0;
+
+ while (i < ares->message->num_elements) {
+
+ el = &ares->message->elements[i];
+ if ( ! ldb_attr_in_list(attrs, el->name)) {
ldb_msg_remove_element(ares->message, el);
} else {
i++;
@@ -1044,129 +1077,16 @@ int map_up_callback(struct ldb_context *ldb, const struct ldb_request *req, stru
}
}
- return req->callback(ldb, req->context, ares);
-}
-
-/* Merge the remote and local parts of a search result. */
-int map_local_merge_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
-{
- struct map_search_context *sc;
- int ret;
-
- if (context == NULL || ares == NULL) {
- ldb_set_errstring(ldb, talloc_asprintf(ldb, "ldb_map: "
- "NULL Context or Result in `map_local_merge_callback`"));
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- sc = talloc_get_type(context, struct map_search_context);
-
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- /* We have already found a local record */
- if (sc->local_res) {
- ldb_set_errstring(ldb, talloc_asprintf(ldb, "ldb_map: "
- "Too many results to base search for local entry"));
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* Store local result */
- sc->local_res = ares;
-
- /* Merge remote into local message */
- ret = ldb_msg_merge_local(sc->ac->module, ares->message, sc->remote_res->message);
- if (ret) {
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- return map_up_callback(ldb, sc->ac->orig_req, ares);
-
- case LDB_REPLY_DONE:
- /* No local record found, continue with remote record */
- if (sc->local_res == NULL) {
- return map_up_callback(ldb, sc->ac->orig_req, sc->remote_res);
- }
- return LDB_SUCCESS;
-
- default:
- ldb_set_errstring(ldb, talloc_asprintf(ldb, "ldb_map: "
- "Unexpected result type in base search for local entry"));
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-}
-
-/* Search the local part of a remote search result. */
-int map_remote_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
-{
- struct map_context *ac;
- struct map_search_context *sc;
- struct ldb_request *req;
- int ret;
-
- if (context == NULL || ares == NULL) {
- ldb_set_errstring(ldb, talloc_asprintf(ldb, "ldb_map: "
- "NULL Context or Result in `map_remote_search_callback`"));
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ac = talloc_get_type(context, struct map_context);
-
- /* It's not a record, stop searching */
- if (ares->type != LDB_REPLY_ENTRY) {
- return map_up_callback(ldb, ac->orig_req, ares);
- }
-
- /* Map result record into a local message */
- ret = map_reply_remote(ac, ares);
- if (ret) {
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* There is no local db, stop searching */
- if (!map_check_local_db(ac->module)) {
- return map_up_callback(ldb, ac->orig_req, ares);
- }
-
- /* Prepare local search context */
- sc = map_init_search_context(ac, ares);
- if (sc == NULL) {
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* Prepare local search request */
- /* TODO: use GUIDs here instead? */
-
- ac->search_reqs = talloc_realloc(ac, ac->search_reqs, struct ldb_request *, ac->num_searches + 2);
- if (ac->search_reqs == NULL) {
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ac->search_reqs[ac->num_searches]
- = req = map_search_base_req(ac, ares->message->dn,
- NULL, NULL, sc, map_local_merge_callback);
- if (req == NULL) {
- talloc_free(sc);
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ac->num_searches++;
- ac->search_reqs[ac->num_searches] = NULL;
-
- return ldb_next_request(ac->module, req);
+ return ldb_module_send_entry(ac->req, ares->message);
}
/* Search a record. */
int map_search(struct ldb_module *module, struct ldb_request *req)
{
- struct ldb_handle *h;
+ struct ldb_parse_tree *remote_tree;
+ struct ldb_parse_tree *local_tree;
+ struct ldb_request *remote_req;
struct map_context *ac;
- struct ldb_parse_tree *local_tree, *remote_tree;
int ret;
const char *wildcard[] = { "*", NULL };
@@ -1176,8 +1096,9 @@ int map_search(struct ldb_module *module, struct ldb_request *req)
return ldb_next_request(module, req);
/* Do not manipulate our control entries */
- if (ldb_dn_is_special(req->op.search.base))
+ if (ldb_dn_is_special(req->op.search.base)) {
return ldb_next_request(module, req);
+ }
/* No mapping requested, skip to next module */
if ((req->op.search.base) && (!ldb_dn_check_local(module, req->op.search.base))) {
@@ -1188,32 +1109,10 @@ int map_search(struct ldb_module *module, struct ldb_request *req)
* targetting when there is no search base? */
/* Prepare context and handle */
- h = map_init_handle(req, module);
- if (h == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ac = talloc_get_type(h->private_data, struct map_context);
-
- ac->search_reqs = talloc_array(ac, struct ldb_request *, 2);
- if (ac->search_reqs == NULL) {
- talloc_free(h);
+ ac = map_init_context(module, req);
+ if (ac == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
- ac->num_searches = 1;
- ac->search_reqs[1] = NULL;
-
- /* Prepare the remote operation */
- ac->search_reqs[0] = talloc(ac, struct ldb_request);
- if (ac->search_reqs[0] == NULL) {
- goto oom;
- }
-
- *(ac->search_reqs[0]) = *req; /* copy the request */
-
- ac->search_reqs[0]->handle = h; /* return our own handle to deal with this call */
-
- ac->search_reqs[0]->context = ac;
- ac->search_reqs[0]->callback = map_remote_search_callback;
/* It is easier to deal with the two different ways of
* expressing the wildcard in the same codepath */
@@ -1226,17 +1125,15 @@ int map_search(struct ldb_module *module, struct ldb_request *req)
ret = map_attrs_collect_and_partition(module, ac,
attrs, req->op.search.tree);
if (ret) {
- goto failed;
+ return LDB_ERR_OPERATIONS_ERROR;
}
- ac->search_reqs[0]->op.search.attrs = ac->remote_attrs;
-
/* Split local from remote tree */
- ret = ldb_parse_tree_partition(module, ac, ac->search_reqs[0],
- &local_tree, &remote_tree,
+ ret = ldb_parse_tree_partition(module, ac,
+ &local_tree, &remote_tree,
req->op.search.tree);
if (ret) {
- goto failed;
+ return LDB_ERR_OPERATIONS_ERROR;
}
if (((local_tree != NULL) && (remote_tree != NULL)) &&
@@ -1251,7 +1148,7 @@ int map_search(struct ldb_module *module, struct ldb_request *req)
local_tree = talloc_zero(ac, struct ldb_parse_tree);
if (local_tree == NULL) {
map_oom(ac->module);
- goto failed;
+ return LDB_ERR_OPERATIONS_ERROR;
}
local_tree->operation = LDB_OP_PRESENT;
@@ -1259,31 +1156,209 @@ int map_search(struct ldb_module *module, struct ldb_request *req)
}
if (remote_tree == NULL) {
/* Construct default remote parse tree */
- remote_tree = ldb_parse_tree(ac->search_reqs[0], NULL);
+ remote_tree = ldb_parse_tree(ac, NULL);
if (remote_tree == NULL) {
- goto failed;
+ return LDB_ERR_OPERATIONS_ERROR;
}
}
ac->local_tree = local_tree;
- ac->search_reqs[0]->op.search.tree = remote_tree;
- ldb_set_timeout_from_prev_req(module->ldb, req, ac->search_reqs[0]);
+ /* Prepare the remote operation */
+ ret = ldb_build_search_req_ex(&remote_req, module->ldb, ac,
+ req->op.search.base,
+ req->op.search.scope,
+ remote_tree,
+ ac->remote_attrs,
+ req->controls,
+ ac, map_remote_search_callback,
+ req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- h->state = LDB_ASYNC_INIT;
- h->status = LDB_SUCCESS;
+ return ldb_next_remote_request(module, remote_req);
+}
+
+/* Now, search the local part of a remote search result. */
+static int map_remote_search_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct map_context *ac;
+ int ret;
- ac->step = MAP_SEARCH_REMOTE;
+ ac = talloc_get_type(req->context, struct map_context);
- ret = ldb_next_remote_request(module, ac->search_reqs[0]);
- if (ret == LDB_SUCCESS) {
- req->handle = h;
+ 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);
}
- return ret;
-oom:
- map_oom(module);
-failed:
- talloc_free(h);
- return LDB_ERR_OPERATIONS_ERROR;
+ switch (ares->type) {
+ case LDB_REPLY_REFERRAL:
+
+ /* ignore referrals */
+ talloc_free(ares);
+ return LDB_SUCCESS;
+
+ case LDB_REPLY_ENTRY:
+
+ /* Map result record into a local message */
+ ret = map_reply_remote(ac, ares);
+ if (ret) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ /* if we have no local db, then we can just return the reply to
+ * the upper layer, otherwise we must save it and process it
+ * when all replies ahve been gathered */
+ if ( ! map_check_local_db(ac->module)) {
+ ret = map_return_entry(ac, ares);
+ } else {
+ ret = map_save_entry(ac,ares);
+ }
+
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ break;
+
+ case LDB_REPLY_DONE:
+
+ if ( ! map_check_local_db(ac->module)) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, LDB_SUCCESS);
+ }
+
+ talloc_free(ares);
+
+ /* reset the pointer to the start of the list */
+ ac->r_current = ac->r_list;
+
+ /* no entry just return */
+ if (ac->r_current == NULL) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, LDB_SUCCESS);
+ }
+
+ ret = map_search_local(ac);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int map_search_local(struct map_context *ac)
+{
+ struct ldb_request *search_req;
+
+ if (ac->r_current == NULL || ac->r_current->remote == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Prepare local search request */
+ /* TODO: use GUIDs here instead? */
+ search_req = map_search_base_req(ac,
+ ac->r_current->remote->message->dn,
+ NULL, NULL,
+ ac, map_local_merge_callback);
+ if (search_req == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return ldb_next_request(ac->module, search_req);
+}
+
+/* Merge the remote and local parts of a search result. */
+int map_local_merge_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ struct map_context *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct map_context);
+
+ 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);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ /* We have already found a local record */
+ if (ac->r_current->local) {
+ talloc_free(ares);
+ ldb_set_errstring(ac->module->ldb, "ldb_map: Too many results!");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ /* Store local result */
+ ac->r_current->local = talloc_steal(ac->r_current, ares);
+
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ /* ignore referrals */
+ talloc_free(ares);
+ break;
+
+ case LDB_REPLY_DONE:
+ talloc_free(ares);
+
+ /* No local record found, map and send remote record */
+ if (ac->r_current->local != NULL) {
+ /* Merge remote into local message */
+ ret = ldb_msg_merge_local(ac->module,
+ ac->r_current->local->message,
+ ac->r_current->remote->message);
+ if (ret == LDB_SUCCESS) {
+ ret = map_return_entry(ac, ac->r_current->local);
+ }
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ } else {
+ ret = map_return_entry(ac, ac->r_current->remote);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req,
+ NULL, NULL, ret);
+ }
+ }
+
+ if (ac->r_current->next != NULL) {
+ ac->r_current = ac->r_current->next;
+ if (ac->r_current->remote->type == LDB_REPLY_ENTRY) {
+ ret = map_search_local(ac);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req,
+ NULL, NULL, ret);
+ }
+ break;
+ }
+ }
+
+ /* ok we are done with all search, finally it is time to
+ * finish operations for this module */
+ return ldb_module_done(ac->req,
+ ac->r_current->remote->controls,
+ ac->r_current->remote->response,
+ ac->r_current->remote->error);
+ }
+
+ return LDB_SUCCESS;
}
diff --git a/source4/lib/ldb/ldb_map/ldb_map_private.h b/source4/lib/ldb/ldb_map/ldb_map_private.h
index 58a9f2704e..0543ba71b9 100644
--- a/source4/lib/ldb/ldb_map/ldb_map_private.h
+++ b/source4/lib/ldb/ldb_map/ldb_map_private.h
@@ -3,7 +3,7 @@
#define map_oom(module) ldb_set_errstring(module->ldb, talloc_asprintf(module, "Out of Memory"));
/* The type of search callback functions */
-typedef int (*ldb_search_callback)(struct ldb_context *, void *, struct ldb_reply *);
+typedef int (*ldb_map_callback_t)(struct ldb_request *, struct ldb_reply *);
/* The special DN from which the local and remote base DNs are fetched */
#define MAP_DN_NAME "@MAP"
@@ -13,25 +13,17 @@ typedef int (*ldb_search_callback)(struct ldb_context *, void *, struct ldb_repl
/* Private data structures
* ======================= */
+struct map_reply {
+ struct map_reply *next;
+ struct ldb_reply *remote;
+ struct ldb_reply *local;
+};
+
/* Context data for mapped requests */
struct map_context {
- enum map_step {
- MAP_SEARCH_REMOTE,
- MAP_ADD_REMOTE,
- MAP_ADD_LOCAL,
- MAP_SEARCH_SELF_MODIFY,
- MAP_MODIFY_REMOTE,
- MAP_MODIFY_LOCAL,
- MAP_SEARCH_SELF_DELETE,
- MAP_DELETE_REMOTE,
- MAP_DELETE_LOCAL,
- MAP_SEARCH_SELF_RENAME,
- MAP_RENAME_REMOTE,
- MAP_RENAME_FIXUP,
- MAP_RENAME_LOCAL
- } step;
struct ldb_module *module;
+ struct ldb_request *req;
struct ldb_dn *local_dn;
const struct ldb_parse_tree *local_tree;
@@ -39,32 +31,20 @@ struct map_context {
const char * const *remote_attrs;
const char * const *all_attrs;
- struct ldb_request *orig_req;
- struct ldb_request *local_req;
+ struct ldb_message *local_msg;
struct ldb_request *remote_req;
- struct ldb_request *down_req;
- struct ldb_request *search_req;
-
- /* for search, we may have a lot of contexts */
- int num_searches;
- struct ldb_request **search_reqs;
-};
-/* Context data for mapped search requests */
-struct map_search_context {
- struct map_context *ac;
- struct ldb_reply *local_res;
- struct ldb_reply *remote_res;
+ struct map_reply *r_list;
+ struct map_reply *r_current;
};
-
/* Common operations
* ================= */
/* The following definitions come from lib/ldb/modules/ldb_map.c */
const struct ldb_map_context *map_get_context(struct ldb_module *module);
-struct map_search_context *map_init_search_context(struct map_context *ac, struct ldb_reply *ares);
-struct ldb_handle *map_init_handle(struct ldb_request *req, struct ldb_module *module);
+struct map_context *map_init_context(struct ldb_module *module,
+ struct ldb_request *req);
int ldb_next_remote_request(struct ldb_module *module, struct ldb_request *request);
@@ -86,25 +66,25 @@ struct ldb_dn *ldb_dn_map_local(struct ldb_module *module, void *mem_ctx, struct
struct ldb_dn *ldb_dn_map_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
struct ldb_dn *ldb_dn_map_rebase_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
-struct ldb_request *map_search_base_req(struct map_context *ac, struct ldb_dn *dn, const char * const *attrs, const struct ldb_parse_tree *tree, void *context, ldb_search_callback callback);
-struct ldb_request *map_search_self_req(struct map_context *ac, struct ldb_dn *dn);
-struct ldb_request *map_build_fixup_req(struct map_context *ac, struct ldb_dn *olddn, struct ldb_dn *newdn);
-
-int map_subtree_collect_remote_simple(struct ldb_module *module, void *mem_ctx, struct ldb_parse_tree **new, const struct ldb_parse_tree *tree, const struct ldb_map_attribute *map);
-
-/* LDB Requests
- * ============ */
-
-/* The following definitions come from lib/ldb/modules/ldb_map_inbound.c */
-int map_add_do_remote(struct ldb_handle *handle);
-int map_add_do_local(struct ldb_handle *handle);
-
-int map_modify_do_remote(struct ldb_handle *handle);
-int map_modify_do_local(struct ldb_handle *handle);
-
-int map_delete_do_remote(struct ldb_handle *handle);
-int map_delete_do_local(struct ldb_handle *handle);
-
-int map_rename_do_remote(struct ldb_handle *handle);
-int map_rename_do_fixup(struct ldb_handle *handle);
-int map_rename_do_local(struct ldb_handle *handle);
+struct ldb_request *map_search_base_req(struct map_context *ac,
+ struct ldb_dn *dn,
+ const char * const *attrs,
+ const struct ldb_parse_tree *tree,
+ void *context,
+ ldb_map_callback_t callback);
+struct ldb_request *map_build_fixup_req(struct map_context *ac,
+ struct ldb_dn *olddn,
+ struct ldb_dn *newdn,
+ void *context,
+ ldb_map_callback_t callback);
+int map_subtree_collect_remote_simple(struct ldb_module *module, void *mem_ctx,
+ struct ldb_parse_tree **new,
+ const struct ldb_parse_tree *tree,
+ const struct ldb_map_attribute *map);
+int map_return_fatal_error(struct ldb_request *req,
+ struct ldb_reply *ares);
+int map_return_normal_error(struct ldb_request *req,
+ struct ldb_reply *ares,
+ int error);
+
+int map_return_entry(struct map_context *ac, struct ldb_reply *ares);