4 Copyright (C) Simo Sorce 2004-2008
5 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
6 Copyright (C) Andrew Tridgell 2005
7 Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 * Component: ldb instancetype module
28 * Description: add an instanceType onto every new record
30 * Author: Andrew Bartlett
35 #include "ldb_module.h"
36 #include "librpc/gen_ndr/ndr_misc.h"
37 #include "dsdb/samdb/samdb.h"
38 #include "../libds/common/flags.h"
41 struct ldb_module *module;
42 struct ldb_request *req;
43 struct ldb_request *search_req;
44 struct ldb_request *part_add;
47 static int np_part_mod_callback(struct ldb_request *req, struct ldb_reply *ares)
49 struct ldb_context *ldb;
50 struct np_context *ac;
52 ac = talloc_get_type(req->context, struct np_context);
53 ldb = ldb_module_get_ctx(ac->module);
56 return ldb_module_done(ac->req, NULL, NULL,
57 LDB_ERR_OPERATIONS_ERROR);
60 /* We just want to update the @PARTITIONS record if the value does not exist */
61 if (ares->error != LDB_SUCCESS && ares->error != LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS) {
62 return ldb_module_done(ac->req, ares->controls,
63 ares->response, ares->error);
66 if (ares->type != LDB_REPLY_DONE) {
67 ldb_set_errstring(ldb, "Invalid reply type!");
68 return ldb_module_done(ac->req, NULL, NULL,
69 LDB_ERR_OPERATIONS_ERROR);
72 ldb_reset_err_string(ldb);
74 /* Do the original add */
75 return ldb_next_request(ac->module, ac->req);
78 static int np_part_search_callback(struct ldb_request *req, struct ldb_reply *ares)
80 struct ldb_context *ldb;
81 struct np_context *ac;
82 struct dsdb_create_partition_exop *ex_op;
85 ac = talloc_get_type(req->context, struct np_context);
86 ldb = ldb_module_get_ctx(ac->module);
89 return ldb_module_done(ac->req, NULL, NULL,
90 LDB_ERR_OPERATIONS_ERROR);
93 /* If this already exists, we really don't want to create a
94 * partition - it would allow a duplicate entry to be
96 if (ares->error != LDB_ERR_NO_SUCH_OBJECT) {
97 if (ares->error == LDB_SUCCESS) {
98 return ldb_module_done(ac->req, ares->controls,
99 ares->response, LDB_ERR_ENTRY_ALREADY_EXISTS);
101 return ldb_module_done(ac->req, ares->controls,
102 ares->response, ares->error);
106 if (ares->type != LDB_REPLY_DONE) {
107 ldb_set_errstring(ldb, "Invalid reply type - we must not get a result here!");
108 return ldb_module_done(ac->req, NULL, NULL,
109 LDB_ERR_OPERATIONS_ERROR);
112 ldb_reset_err_string(ldb);
114 /* Now that we know it does not exist, we can try and create the partition */
115 ex_op = talloc(ac, struct dsdb_create_partition_exop);
120 ex_op->new_dn = ac->req->op.add.message->dn;
122 ret = ldb_build_extended_req(&ac->part_add,
123 ldb, ac, DSDB_EXTENDED_CREATE_PARTITION_OID, ex_op,
124 NULL, ac, np_part_mod_callback, req);
126 if (ret != LDB_SUCCESS) {
130 return ldb_next_request(ac->module, ac->part_add);
133 /* add_record: add instancetype attribute */
134 static int new_partition_add(struct ldb_module *module, struct ldb_request *req)
136 struct ldb_context *ldb;
137 struct np_context *ac;
140 ldb = ldb_module_get_ctx(module);
142 ldb_debug(ldb, LDB_DEBUG_TRACE, "instancetype_add_record\n");
144 /* do not manipulate our control entries */
145 if (ldb_dn_is_special(req->op.add.message->dn)) {
146 return ldb_next_request(module, req);
149 if (ldb_msg_find_element(req->op.add.message, "instanceType")) {
150 /* This needs to be 'static' to ensure it does not move, and is not on the stack */
151 static const char *no_attrs[] = { NULL };
152 unsigned int instanceType = ldb_msg_find_attr_as_uint(req->op.add.message, "instanceType", 0);
153 if (!(instanceType & INSTANCE_TYPE_IS_NC_HEAD) ||
154 (instanceType & INSTANCE_TYPE_UNINSTANT)) {
155 return ldb_next_request(module, req);
158 if (instanceType & INSTANCE_TYPE_UNINSTANT) {
159 DEBUG(0,(__location__ ": Skipping uninstantiated partition %s\n",
160 ldb_dn_get_linearized(req->op.add.message->dn)));
161 return ldb_next_request(module, req);
164 if (ldb_msg_find_attr_as_bool(req->op.add.message, "isDeleted", false)) {
165 DEBUG(0,(__location__ ": Skipping deleted partition %s\n",
166 ldb_dn_get_linearized(req->op.add.message->dn)));
167 return ldb_next_request(module, req);
170 /* Create an @PARTITIONS record for this partition -
171 * by asking the partitions module to do so via an
172 * extended operation, after first checking if the
173 * record already exists */
174 ac = talloc(req, struct np_context);
181 ret = ldb_build_search_req(&ac->search_req, ldb, ac, req->op.add.message->dn,
182 LDB_SCOPE_BASE, NULL, no_attrs, req->controls, ac,
183 np_part_search_callback,
185 if (ret != LDB_SUCCESS) {
189 return ldb_next_request(module, ac->search_req);
192 /* go on with the call chain */
193 return ldb_next_request(module, req);
196 _PUBLIC_ const struct ldb_module_ops ldb_new_partition_module_ops = {
197 .name = "new_partition",
198 .add = new_partition_add,