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 "lib/events/events.h"
32 #include "nbt_server/nbt_server.h"
33 #include "nbt_server/wins/winsdb.h"
34 #include <ldb_module.h>
35 #include "system/network.h"
36 #include "lib/socket/netif.h"
37 #include "param/param.h"
39 static int wins_ldb_verify(struct ldb_module *module, struct ldb_request *req)
41 struct ldb_context *ldb = ldb_module_get_ctx(module);
42 struct winsdb_handle *h = talloc_get_type(ldb_get_opaque(ldb, "winsdb_handle"),
43 struct winsdb_handle);
44 const struct ldb_message *msg;
46 switch (req->operation) {
48 msg = req->op.add.message;
52 msg = req->op.mod.message;
56 return ldb_next_request(module, req);
59 /* do not manipulate our control entries */
60 if (ldb_dn_is_special(msg->dn)) {
61 return ldb_next_request(module, req);
65 ldb_debug_set(ldb, LDB_DEBUG_FATAL, "%s", "WINS_LDB: INTERNAL ERROR: no winsdb_handle present!");
70 case WINSDB_HANDLE_CALLER_NBTD:
71 case WINSDB_HANDLE_CALLER_WREPL:
72 /* we trust our nbt and wrepl code ... */
73 return ldb_next_request(module, req);
75 case WINSDB_HANDLE_CALLER_ADMIN:
76 ldb_debug(ldb, LDB_DEBUG_WARNING, "%s\n", "WINS_LDB: TODO verify add/modify for WINSDB_HANDLE_CALLER_ADMIN");
77 return ldb_next_request(module, req);
83 static int wins_ldb_init(struct ldb_module *module)
85 struct ldb_context *ldb = ldb_module_get_ctx(module);
86 struct winsdb_handle *h;
88 struct loadparm_context *lp_ctx = ldb_get_opaque(ldb, "loadparm");
90 ldb_module_set_private(module, NULL);
92 owner = lpcfg_parm_string(lp_ctx, NULL, "winsdb", "local_owner");
94 struct interface *ifaces;
95 load_interfaces(module, lpcfg_interfaces(lp_ctx), &ifaces);
96 owner = iface_n_ip(ifaces, 0);
102 h = talloc_zero(module, struct winsdb_handle);
105 h->caller = WINSDB_HANDLE_CALLER_ADMIN;
106 h->local_owner = talloc_strdup(h, owner);
107 if (!h->local_owner) goto failed;
109 return ldb_set_opaque(ldb, "winsdb_handle", h);
113 return LDB_ERR_OTHER;
116 static const struct ldb_module_ops ldb_wins_ldb_module_ops = {
118 .add = wins_ldb_verify,
119 .modify = wins_ldb_verify,
120 .init_context = wins_ldb_init
123 int ldb_wins_ldb_module_init(const char *version)
125 LDB_MODULE_CHECK_VERSION(version);
126 return ldb_register_module(&ldb_wins_ldb_module_ops);