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/*
ldb database module
LDAP semantics mapping module
Copyright (C) Jelmer Vernooij 2005
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
This module relies on ldb_map to do all the real work, but performs
some of the trivial mappings between AD semantics and that provided
by OpenLDAP and similar servers.
*/
#include "includes.h"
#include "ldb/include/ldb.h"
#include "ldb/include/ldb_private.h"
#include "ldb/include/ldb_errors.h"
#include "ldb/modules/ldb_map.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/ndr/libndr.h"
static struct ldb_val encode_guid(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
{
struct GUID guid;
NTSTATUS status = GUID_from_string((char *)val->data, &guid);
struct ldb_val out = data_blob(NULL, 0);
if (!NT_STATUS_IS_OK(status)) {
return out;
}
status = ndr_push_struct_blob(&out, ctx, &guid,
(ndr_push_flags_fn_t)ndr_push_GUID);
if (!NT_STATUS_IS_OK(status)) {
return out;
}
return out;
}
static struct ldb_val decode_guid(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
{
struct GUID *guid;
NTSTATUS status;
struct ldb_val out = data_blob(NULL, 0);
guid = talloc(ctx, struct GUID);
if (guid == NULL) {
return out;
}
status = ndr_pull_struct_blob(val, guid, guid,
(ndr_pull_flags_fn_t)ndr_pull_GUID);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(guid);
return out;
}
out = data_blob_string_const(GUID_string(ctx, guid));
talloc_free(guid);
return out;
}
/* The backend holds binary sids, so just copy them back */
static struct ldb_val sid_copy(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
{
struct ldb_val out = data_blob(NULL, 0);
ldb_handler_copy(module->ldb, ctx, val, &out);
return out;
}
/* Ensure we always convert sids into binary, so the backend doesn't have to know about both forms */
static struct ldb_val sid_always_binary(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
{
struct ldb_val out = data_blob(NULL, 0);
const struct ldb_attrib_handler *handler = ldb_attrib_handler(module->ldb, "objectSid");
if (handler->canonicalise_fn(module->ldb, ctx, val, &out) != LDB_SUCCESS) {
return data_blob(NULL, 0);
}
return out;
}
const struct ldb_map_attribute entryUUID_attributes[] =
{
/* objectGUID */
{
.local_name = "objectGUID",
.type = MAP_CONVERT,
.u = {
.convert = {
.remote_name = "entryUUID",
.convert_local = decode_guid,
.convert_remote = encode_guid,
},
},
},
/* objectSid */
{
.local_name = "objectSid",
.type = MAP_CONVERT,
.u = {
.convert = {
.remote_name = "objectSid",
.convert_local = sid_always_binary,
.convert_remote = sid_copy,
},
},
},
{
.local_name = "whenCreated",
.type = MAP_RENAME,
.u = {
.rename = {
.remote_name = "createTimestamp"
}
}
},
{
.local_name = "whenChanged",
.type = MAP_RENAME,
.u = {
.rename = {
.remote_name = "modifyTimestamp"
}
}
},
{
.local_name = "*",
.type = MAP_KEEP,
},
{
.local_name = NULL,
}
};
/* the context init function */
static int entryUUID_init(struct ldb_module *module)
{
int ret;
ret = ldb_map_init(module, entryUUID_attributes, NULL, NULL);
if (ret != LDB_SUCCESS)
return ret;
return ldb_next_init(module);
}
static struct ldb_module_ops entryUUID_ops = {
.name = "entryUUID",
.init_context = entryUUID_init,
};
/* the init function */
int ldb_entryUUID_module_init(void)
{
struct ldb_module_ops ops = ldb_map_get_ops();
entryUUID_ops.add = ops.add;
entryUUID_ops.modify = ops.modify;
entryUUID_ops.del = ops.del;
entryUUID_ops.rename = ops.rename;
entryUUID_ops.search = ops.search;
entryUUID_ops.wait = ops.wait;
return ldb_register_module(&entryUUID_ops);
}
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