4 Copyright (C) Stefan Metzmacher 2006
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 * Component: ldb winsdb module
25 * Description: verify winsdb records before they're written to disk
27 * Author: Stefan Metzmacher
31 #include "nbt_server/nbt_server.h"
32 #include "nbt_server/wins/winsdb.h"
33 #include "lib/ldb/include/ldb.h"
34 #include "lib/ldb/include/ldb_errors.h"
35 #include "lib/ldb/include/ldb_private.h"
36 #include "system/network.h"
37 #include "lib/socket/netif.h"
39 static int wins_ldb_verify(struct ldb_module *module, struct ldb_request *req)
41 struct winsdb_handle *h = talloc_get_type(ldb_get_opaque(module->ldb, "winsdb_handle"),
42 struct winsdb_handle);
43 const struct ldb_message *msg;
45 switch (req->operation) {
47 msg = req->op.add.message;
51 msg = req->op.mod.message;
55 return ldb_next_request(module, req);
58 /* do not manipulate our control entries */
59 if (ldb_dn_is_special(msg->dn)) {
60 return ldb_next_request(module, req);
64 ldb_debug_set(module->ldb, LDB_DEBUG_FATAL, "%s", "WINS_LDB: INTERNAL ERROR: no winsdb_handle present!");
69 case WINSDB_HANDLE_CALLER_NBTD:
70 case WINSDB_HANDLE_CALLER_WREPL:
71 /* we trust our nbt and wrepl code ... */
72 return ldb_next_request(module, req);
74 case WINSDB_HANDLE_CALLER_ADMIN:
75 ldb_debug(module->ldb, LDB_DEBUG_WARNING, "%s\n", "WINS_LDB: TODO verify add/modify for WINSDB_HANDLE_CALLER_ADMIN");
76 return ldb_next_request(module, req);
82 static int wins_ldb_init(struct ldb_module *ctx)
84 struct winsdb_handle *h;
87 ctx->private_data = NULL;
89 owner = lp_parm_string(-1, "winsdb", "local_owner");
91 owner = iface_n_ip(0);
97 h = talloc(ctx, struct winsdb_handle);
100 h->caller = WINSDB_HANDLE_CALLER_ADMIN;
101 h->local_owner = talloc_strdup(h, owner);
102 if (!h->local_owner) goto failed;
104 return ldb_set_opaque(ctx->ldb, "winsdb_handle", h);
108 return LDB_ERR_OTHER;
111 static const struct ldb_module_ops wins_ldb_ops = {
113 .add = wins_ldb_verify,
114 .modify = wins_ldb_verify,
115 .init_context = wins_ldb_init
119 /* the init function */
120 int wins_ldb_module_init(void)
122 return ldb_register_module(&wins_ldb_ops);