4 Copyright (C) Simo Sorce 2005
5 Copyright (C) Stefa Metzmacher <metze@samba.org> 2007
7 ** NOTE! The following LGPL license applies to the ldb
8 ** library. This does NOT imply that all of Samba is released
11 This library is free software; you can redistribute it and/or
12 modify it under the terms of the GNU Lesser General Public
13 License as published by the Free Software Foundation; either
14 version 3 of the License, or (at your option) any later version.
16 This library is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 Lesser General Public License for more details.
21 You should have received a copy of the GNU Lesser General Public
22 License along with this library; if not, see <http://www.gnu.org/licenses/>.
28 * Component: ldb deleted objects control module
30 * Description: this module hides deleted objects, and returns them if the right control is there
32 * Author: Stefan Metzmacher
36 #include "ldb/include/ldb.h"
37 #include "ldb/include/ldb_errors.h"
38 #include "ldb/include/ldb_private.h"
39 #include "dsdb/samdb/samdb.h"
42 struct show_deleted_search_request
{
44 struct ldb_module
*module
;
45 struct ldb_request
*req
;
48 static int show_deleted_search_callback(struct ldb_request
*req
,
49 struct ldb_reply
*ares
)
51 struct show_deleted_search_request
*ar
;
53 ar
= talloc_get_type(req
->context
, struct show_deleted_search_request
);
56 return ldb_module_done(ar
->req
, NULL
, NULL
,
57 LDB_ERR_OPERATIONS_ERROR
);
59 if (ares
->error
!= LDB_SUCCESS
) {
60 return ldb_module_done(ar
->req
, ares
->controls
,
61 ares
->response
, ares
->error
);
67 return ldb_module_send_entry(ar
->req
, ares
->message
);
69 case LDB_REPLY_REFERRAL
:
70 return ldb_module_send_referral(ar
->req
, ares
->referral
);
73 return ldb_module_done(ar
->req
, ares
->controls
,
74 ares
->response
, LDB_SUCCESS
);
80 static int show_deleted_search(struct ldb_module
*module
, struct ldb_request
*req
)
82 struct ldb_control
*control
;
83 struct ldb_control
**saved_controls
;
84 struct show_deleted_search_request
*ar
;
85 struct ldb_request
*down_req
;
90 ar
= talloc_zero(req
, struct show_deleted_search_request
);
92 return LDB_ERR_OPERATIONS_ERROR
;
97 /* check if there's a show deleted control */
98 control
= ldb_request_get_control(req
, LDB_CONTROL_SHOW_DELETED_OID
);
101 old_filter
= ldb_filter_from_tree(ar
, req
->op
.search
.tree
);
102 new_filter
= talloc_asprintf(ar
, "(&(!(isDeleted=TRUE))%s)",
105 ret
= ldb_build_search_req(&down_req
, module
->ldb
, ar
,
107 req
->op
.search
.scope
,
109 req
->op
.search
.attrs
,
111 ar
, show_deleted_search_callback
,
115 ret
= ldb_build_search_req_ex(&down_req
, module
->ldb
, ar
,
117 req
->op
.search
.scope
,
119 req
->op
.search
.attrs
,
121 ar
, show_deleted_search_callback
,
124 if (ret
!= LDB_SUCCESS
) {
128 /* if a control is there remove if from the modified request */
129 if (control
&& !save_controls(control
, down_req
, &saved_controls
)) {
130 return LDB_ERR_OPERATIONS_ERROR
;
133 /* perform the search */
134 return ldb_next_request(module
, down_req
);
137 static int show_deleted_init(struct ldb_module
*module
)
141 ret
= ldb_mod_register_control(module
, LDB_CONTROL_SHOW_DELETED_OID
);
142 if (ret
!= LDB_SUCCESS
) {
143 ldb_debug(module
->ldb
, LDB_DEBUG_ERROR
,
144 "extended_dn: Unable to register control with rootdse!\n");
145 return LDB_ERR_OPERATIONS_ERROR
;
148 return ldb_next_init(module
);
151 _PUBLIC_
const struct ldb_module_ops ldb_show_deleted_module_ops
= {
152 .name
= "show_deleted",
153 .search
= show_deleted_search
,
154 .init_context
= show_deleted_init