ldb database library
Copyright (C) Andrew Tridgell 2005
+ Copyright (C) Simo Sorce 2006
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
+ version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
handle operational attributes
subschemaSubentry: HIDDEN, not-searchable,
- points at DN CN=Aggregate,CN=Schema,CN=Configuration,$BASEDN
+ points at DN CN=Aggregate,$SCHEMADN
for this one we do the search as normal, then add the static
value if requested. How do we work out the $BASEDN from inside a
modifiersName: not supported by w2k3?
*/
-
-#include "includes.h"
-#include "ldb/include/ldb.h"
-#include "ldb/include/ldb_errors.h"
-#include "ldb/include/ldb_private.h"
-#include <time.h>
+#include "ldb_includes.h"
/*
construct a canonical name from a message
if (canonicalName == NULL) {
return -1;
}
- return ldb_msg_add_string(msg, "canonicalName", canonicalName);
+ return ldb_msg_add_steal_string(msg, "canonicalName", canonicalName);
}
/*
return -1;
}
+
/*
hook search operations
*/
-static int operational_search_bytree(struct ldb_module *module, struct ldb_request *req)
+
+struct operational_context {
+
+ struct ldb_module *module;
+ void *up_context;
+ int (*up_callback)(struct ldb_context *, void *, struct ldb_reply *);
+
+ const char * const *attrs;
+};
+
+static int operational_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
{
- int i, r, a;
- int ret;
- const char * const *attrs = req->op.search.attrs;
+ struct operational_context *ac;
+
+ if (!context || !ares) {
+ ldb_set_errstring(ldb, "NULL Context or Result in callback");
+ goto error;
+ }
+
+ ac = talloc_get_type(context, struct operational_context);
+
+ if (ares->type == LDB_REPLY_ENTRY) {
+ /* for each record returned post-process to add any derived
+ attributes that have been asked for */
+ if (operational_search_post_process(ac->module, ares->message, ac->attrs) != 0) {
+ goto error;
+ }
+ }
+
+ return ac->up_callback(ldb, ac->up_context, ares);
+
+error:
+ talloc_free(ares);
+ return LDB_ERR_OPERATIONS_ERROR;
+}
+
+static int operational_search(struct ldb_module *module, struct ldb_request *req)
+{
+ struct operational_context *ac;
+ struct ldb_request *down_req;
const char **search_attrs = NULL;
+ int i, a, ret;
- req->op.search.res = NULL;
+ req->handle = NULL;
+
+ ac = talloc(req, struct operational_context);
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac->module = module;
+ ac->up_context = req->context;
+ ac->up_callback = req->callback;
+ ac->attrs = req->op.search.attrs;
+
+ down_req = talloc_zero(req, struct ldb_request);
+ if (down_req == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ down_req->operation = req->operation;
+ down_req->op.search.base = req->op.search.base;
+ down_req->op.search.scope = req->op.search.scope;
+ down_req->op.search.tree = req->op.search.tree;
+
+ /* FIXME: I hink we should copy the tree and keep the original
+ * unmodified. SSS */
/* replace any attributes in the parse tree that are
searchable, but are stored using a different name in the
backend */
/* in the list of attributes we are looking for, rename any
attributes to the alias for any hidden attributes that can
be fetched directly using non-hidden names */
- for (a=0;attrs && attrs[a];a++) {
+ for (a=0;ac->attrs && ac->attrs[a];a++) {
for (i=0;i<ARRAY_SIZE(search_sub);i++) {
- if (ldb_attr_cmp(attrs[a], search_sub[i].attr) == 0 &&
+ if (ldb_attr_cmp(ac->attrs[a], search_sub[i].attr) == 0 &&
search_sub[i].replace) {
if (!search_attrs) {
- search_attrs = ldb_attr_list_copy(req, attrs);
+ search_attrs = ldb_attr_list_copy(req, ac->attrs);
if (search_attrs == NULL) {
- goto failed;
+ return LDB_ERR_OPERATIONS_ERROR;
}
}
search_attrs[a] = search_sub[i].replace;
}
/* use new set of attrs if any */
- if (search_attrs) req->op.search.attrs = search_attrs;
- /* perform the search */
- ret = ldb_next_request(module, req);
- /* set back saved attrs if needed */
- if (search_attrs) req->op.search.attrs = attrs;
-
- /* check operation result */
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- /* for each record returned post-process to add any derived
- attributes that have been asked for */
- for (r = 0; r < req->op.search.res->count; r++) {
- if (operational_search_post_process(module, req->op.search.res->msgs[r], attrs) != 0) {
- goto failed;
- }
- }
-
- /* all done */
- talloc_free(search_attrs);
- return ret;
-
-failed:
- talloc_free(search_attrs);
- talloc_free(req->op.search.res);
- ldb_oom(module->ldb);
- return LDB_ERR_OTHER;
-}
-
-/*
- add a time element to a record
-*/
-static int add_time_element(struct ldb_message *msg, const char *attr, time_t t)
-{
- struct ldb_message_element *el;
- char *s;
-
- if (ldb_msg_find_element(msg, attr) != NULL) {
- return 0;
- }
-
- s = ldb_timestring(msg, t);
- if (s == NULL) {
- return -1;
- }
-
- if (ldb_msg_add_string(msg, attr, s) != 0) {
- return -1;
- }
-
- el = ldb_msg_find_element(msg, attr);
- /* always set as replace. This works because on add ops, the flag
- is ignored */
- el->flags = LDB_FLAG_MOD_REPLACE;
-
- return 0;
-}
+ if (search_attrs) down_req->op.search.attrs = search_attrs;
+ else down_req->op.search.attrs = req->op.search.attrs;
+
+ down_req->controls = req->controls;
+ down_req->context = ac;
+ down_req->callback = operational_callback;
+ ldb_set_timeout_from_prev_req(module->ldb, req, down_req);
-/*
- hook add record ops
-*/
-static int operational_add(struct ldb_module *module, struct ldb_request *req)
-{
- const struct ldb_message *msg = req->op.add.message;
- time_t t = time(NULL);
- struct ldb_message *msg2;
- int ret;
+ /* perform the search */
+ ret = ldb_next_request(module, down_req);
- if (ldb_dn_is_special(msg->dn)) {
- return ldb_next_request(module, req);
+ /* do not free down_req as the call results may be linked to it,
+ * it will be freed when the upper level request get freed */
+ if (ret == LDB_SUCCESS) {
+ req->handle = down_req->handle;
}
- /* we have to copy the message as the caller might have it as a const */
- msg2 = ldb_msg_copy_shallow(module, msg);
- if (msg2 == NULL) {
- return -1;
- }
- if (add_time_element(msg2, "whenCreated", t) != 0 ||
- add_time_element(msg2, "whenChanged", t) != 0) {
- talloc_free(msg2);
- return -1;
- }
- /* use the new structure for the call chain below this point */
- req->op.add.message = msg2;
- /* go on with the call chain */
- ret = ldb_next_request(module, req);
- /* put back saved message */
- req->op.add.message = msg;
- /* free temproary compy */
- talloc_free(msg2);
return ret;
}
-/*
- hook modify record ops
-*/
-static int operational_modify(struct ldb_module *module, struct ldb_request *req)
+static int operational_init(struct ldb_module *ctx)
{
- const struct ldb_message *msg = req->op.mod.message;
- time_t t = time(NULL);
- struct ldb_message *msg2;
- int ret;
+ int ret = 0;
- if (ldb_dn_is_special(msg->dn)) {
- return ldb_next_request(module, req);
- }
+ /* setup some standard attribute handlers */
+ ret |= ldb_schema_attribute_add(ctx->ldb, "whenCreated", 0, LDB_SYNTAX_UTC_TIME);
+ ret |= ldb_schema_attribute_add(ctx->ldb, "whenChanged", 0, LDB_SYNTAX_UTC_TIME);
+ ret |= ldb_schema_attribute_add(ctx->ldb, "subschemaSubentry", 0, LDB_SYNTAX_DN);
+ ret |= ldb_schema_attribute_add(ctx->ldb, "structuralObjectClass", 0, LDB_SYNTAX_OBJECTCLASS);
- /* we have to copy the message as the caller might have it as a const */
- msg2 = ldb_msg_copy_shallow(module, msg);
- if (msg2 == NULL) {
- return -1;
- }
- if (add_time_element(msg2, "whenChanged", t) != 0) {
- talloc_free(msg2);
- return -1;
+ if (ret != 0) {
+ return ret;
}
- /* use the new structure for the call chain below this point */
- req->op.mod.message = msg2;
- /* go on with the call chain */
- ret = ldb_next_request(module, req);
- /* put back saved message */
- req->op.mod.message = msg;
- /* free temproary compy */
- talloc_free(msg2);
- return ret;
-}
-
-
-static int operational_request(struct ldb_module *module, struct ldb_request *req)
-{
- switch (req->operation) {
-
- case LDB_REQ_SEARCH:
- return operational_search_bytree(module, req);
-
- case LDB_REQ_ADD:
- return operational_add(module, req);
-
- case LDB_REQ_MODIFY:
- return operational_modify(module, req);
- default:
- return ldb_next_request(module, req);
-
- }
+ return ldb_next_init(ctx);
}
-static const struct ldb_module_ops operational_ops = {
+const struct ldb_module_ops ldb_operational_module_ops = {
.name = "operational",
- .request = operational_request
+ .search = operational_search,
+ .init_context = operational_init
};
-
-
-/* the init function */
-struct ldb_module *operational_module_init(struct ldb_context *ldb, const char *options[])
-{
- struct ldb_module *ctx;
-
- ctx = talloc(ldb, struct ldb_module);
- if (!ctx)
- return NULL;
-
- ctx->private_data = NULL;
- ctx->ldb = ldb;
- ctx->prev = ctx->next = NULL;
- ctx->ops = &operational_ops;
-
- /* setup some standard attribute handlers */
- ldb_set_attrib_handler_syntax(ldb, "whenCreated", LDB_SYNTAX_UTC_TIME);
- ldb_set_attrib_handler_syntax(ldb, "whenChanged", LDB_SYNTAX_UTC_TIME);
- ldb_set_attrib_handler_syntax(ldb, "subschemaSubentry", LDB_SYNTAX_DN);
- ldb_set_attrib_handler_syntax(ldb, "structuralObjectClass", LDB_SYNTAX_OBJECTCLASS);
-
- return ctx;
-}
git.samba.org / jelmer / samba4-debian.git / blobdiff