2 Unix SMB/CIFS implementation.
4 Copyright (C) Jelmer Vernooij 2004.
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 2 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, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "lib/ldb/include/ldb.h"
25 #include "librpc/gen_ndr/winreg.h"
29 const struct ldb_dn *dn;
30 struct ldb_message **subkeys, **values;
31 int subkey_count, value_count;
34 static int ldb_free_hive (void *_hive)
36 struct registry_hive *hive = _hive;
37 talloc_free(hive->backend_data);
41 static void reg_ldb_unpack_value(TALLOC_CTX *mem_ctx, struct ldb_message *msg, char **name, uint32_t *type, DATA_BLOB *data)
43 const struct ldb_val *val;
44 *name = talloc_strdup(mem_ctx, ldb_msg_find_string(msg, "value", NULL));
45 *type = ldb_msg_find_uint(msg, "type", 0);
46 val = ldb_msg_find_ldb_val(msg, "data");
52 data->length = convert_string_talloc(mem_ctx, CH_UTF8, CH_UTF16, val->data, val->length, (void **)&data->data);
56 uint32_t tmp = strtoul((char *)val->data, NULL, 0);
57 *data = data_blob_talloc(mem_ctx, &tmp, 4);
62 *data = data_blob_talloc(mem_ctx, val->data, val->length);
67 static struct ldb_message *reg_ldb_pack_value(struct ldb_context *ctx, TALLOC_CTX *mem_ctx, const char *name, uint32_t type, DATA_BLOB data)
70 struct ldb_message *msg = talloc_zero(mem_ctx, struct ldb_message);
73 ldb_msg_add_string(msg, "value", talloc_strdup(mem_ctx, name));
78 val.length = convert_string_talloc(mem_ctx, CH_UTF16, CH_UTF8, (void *)data.data, data.length, (void **)&val.data);
79 ldb_msg_add_value(msg, "data", &val);
83 ldb_msg_add_string(msg, "data", talloc_asprintf(mem_ctx, "0x%x", IVAL(data.data, 0)));
86 ldb_msg_add_value(msg, "data", &data);
90 type_s = talloc_asprintf(mem_ctx, "%u", type);
91 ldb_msg_add_string(msg, "type", type_s);
97 static int reg_close_ldb_key (void *data)
99 struct registry_key *key = data;
100 struct ldb_key_data *kd = key->backend_data;
101 /* struct ldb_context *c = key->hive->backend_data; */
104 talloc_free(kd->subkeys);
109 talloc_free(kd->values);
115 static struct ldb_dn *reg_path_to_ldb(TALLOC_CTX *mem_ctx, const struct registry_key *from, const char *path, const char *add)
117 TALLOC_CTX *local_ctx;
118 struct ldb_dn *ret = ldb_dn_new(mem_ctx);
119 char *mypath = talloc_strdup(mem_ctx, path);
121 struct ldb_key_data *kd = from->backend_data;
123 local_ctx = talloc_named(mem_ctx, 0, "reg_path_to_ldb context");
126 ret = ldb_dn_compose(local_ctx, ret, ldb_dn_explode(mem_ctx, add));
131 begin = strrchr(mypath, '\\');
133 if (begin) keyname = begin + 1;
134 else keyname = mypath;
136 if(strlen(keyname)) {
139 base = ldb_dn_build_child(local_ctx, "key", keyname, NULL);
140 ret = ldb_dn_compose(local_ctx, ret, base);
150 ret = ldb_dn_compose(local_ctx, ret, kd->dn);
156 static WERROR ldb_get_subkey_by_id(TALLOC_CTX *mem_ctx, const struct registry_key *k, int idx, struct registry_key **subkey)
158 struct ldb_context *c = k->hive->backend_data;
159 struct ldb_message_element *el;
160 struct ldb_key_data *kd = k->backend_data, *newkd;
162 /* Do a search if necessary */
163 if (kd->subkeys == NULL) {
164 kd->subkey_count = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL, "(key=*)", NULL, &kd->subkeys);
166 if(kd->subkey_count < 0) {
167 DEBUG(0, ("Error getting subkeys for '%s': %s\n", ldb_dn_linearize(mem_ctx, kd->dn), ldb_errstring(c)));
172 if (idx >= kd->subkey_count) return WERR_NO_MORE_ITEMS;
174 el = ldb_msg_find_element(kd->subkeys[idx], "key");
176 *subkey = talloc(mem_ctx, struct registry_key);
177 talloc_set_destructor(*subkey, reg_close_ldb_key);
178 (*subkey)->name = talloc_strdup(mem_ctx, (char *)el->values[0].data);
179 (*subkey)->backend_data = newkd = talloc_zero(*subkey, struct ldb_key_data);
180 (*subkey)->last_mod = 0; /* TODO: we need to add this to the
181 ldb backend properly */
182 newkd->dn = ldb_dn_copy(mem_ctx, kd->subkeys[idx]->dn);
187 static WERROR ldb_get_value_by_id(TALLOC_CTX *mem_ctx, const struct registry_key *k, int idx, struct registry_value **value)
189 struct ldb_context *c = k->hive->backend_data;
190 struct ldb_key_data *kd = k->backend_data;
192 /* Do the search if necessary */
193 if (kd->values == NULL) {
194 kd->value_count = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL, "(value=*)", NULL,&kd->values);
196 if(kd->value_count < 0) {
197 DEBUG(0, ("Error getting values for '%s': %s\n", ldb_dn_linearize(mem_ctx, kd->dn), ldb_errstring(c)));
202 if(idx >= kd->value_count) return WERR_NO_MORE_ITEMS;
204 *value = talloc(mem_ctx, struct registry_value);
206 reg_ldb_unpack_value(mem_ctx, kd->values[idx], &(*value)->name, &(*value)->data_type, &(*value)->data);
211 static WERROR ldb_open_key(TALLOC_CTX *mem_ctx, const struct registry_key *h, const char *name, struct registry_key **key)
213 struct ldb_context *c = h->hive->backend_data;
214 struct ldb_message **msg;
215 struct ldb_dn *ldap_path;
217 struct ldb_key_data *newkd;
219 ldap_path = reg_path_to_ldb(mem_ctx, h, name, NULL);
221 ret = ldb_search(c, ldap_path, LDB_SCOPE_BASE, "(key=*)", NULL, &msg);
226 DEBUG(0, ("Error opening key '%s': %s\n", ldb_dn_linearize(ldap_path, ldap_path), ldb_errstring(c)));
230 *key = talloc(mem_ctx, struct registry_key);
231 talloc_set_destructor(*key, reg_close_ldb_key);
232 (*key)->name = talloc_strdup(mem_ctx, strrchr(name, '\\')?strchr(name, '\\'):name);
233 (*key)->backend_data = newkd = talloc_zero(*key, struct ldb_key_data);
234 newkd->dn = ldb_dn_copy(mem_ctx, msg[0]->dn);
241 static WERROR ldb_open_hive(struct registry_hive *hive, struct registry_key **k)
243 struct ldb_key_data *kd;
244 struct ldb_context *wrap;
246 if (!hive->location) return WERR_INVALID_PARAM;
247 wrap = ldb_wrap_connect(hive, hive->location, 0, NULL);
250 DEBUG(1, ("ldb_open_hive: unable to connect\n"));
254 ldb_set_debug_stderr(wrap);
255 hive->backend_data = wrap;
257 *k = talloc_zero(hive, struct registry_key);
258 talloc_set_destructor (*k, reg_close_ldb_key);
259 talloc_set_destructor (hive, ldb_free_hive);
260 (*k)->name = talloc_strdup(*k, "");
261 (*k)->backend_data = kd = talloc_zero(*k, struct ldb_key_data);
262 kd->dn = ldb_dn_explode(*k, "hive=NONE");
268 static WERROR ldb_add_key (TALLOC_CTX *mem_ctx, const struct registry_key *parent, const char *name, uint32_t access_mask, struct security_descriptor *sd, struct registry_key **newkey)
270 struct ldb_context *ctx = parent->hive->backend_data;
271 struct ldb_message *msg;
272 struct ldb_key_data *newkd;
275 msg = ldb_msg_new(mem_ctx);
277 msg->dn = reg_path_to_ldb(msg, parent, name, NULL);
279 ldb_msg_add_string(msg, "key", talloc_strdup(mem_ctx, name));
281 ret = ldb_add(ctx, msg);
283 DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(parent->hive->backend_data)));
287 *newkey = talloc_zero(mem_ctx, struct registry_key);
288 (*newkey)->name = talloc_strdup(mem_ctx, name);
290 (*newkey)->backend_data = newkd = talloc_zero(*newkey, struct ldb_key_data);
291 newkd->dn = talloc_steal(newkd, msg->dn);
296 static WERROR ldb_del_key (const struct registry_key *key, const char *child)
299 struct ldb_key_data *kd = key->backend_data;
300 TALLOC_CTX *local_ctx = talloc_named(NULL, 0, "ldb_del_key mem ctx");
301 struct ldb_dn *childdn = ldb_dn_build_child(local_ctx, "key", child, kd->dn);
303 ret = ldb_delete(key->hive->backend_data, childdn);
305 talloc_free(local_ctx);
308 DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(key->hive->backend_data)));
315 static WERROR ldb_del_value (const struct registry_key *key, const char *child)
318 struct ldb_key_data *kd = key->backend_data;
319 TALLOC_CTX *local_ctx = talloc_named(NULL, 0, "ldb_del_value mem ctx");
320 struct ldb_dn *childdn = ldb_dn_build_child(local_ctx, "value", child, kd->dn);
322 ret = ldb_delete(key->hive->backend_data, childdn);
324 talloc_free(local_ctx);
327 DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(key->hive->backend_data)));
334 static WERROR ldb_set_value (const struct registry_key *parent, const char *name, uint32_t type, DATA_BLOB data)
336 struct ldb_context *ctx = parent->hive->backend_data;
337 struct ldb_message *msg;
338 struct ldb_key_data *kd = parent->backend_data;
340 TALLOC_CTX *mem_ctx = talloc_init("ldb_set_value");
342 msg = reg_ldb_pack_value(ctx, mem_ctx, name, type, data);
344 msg->dn = ldb_dn_build_child(msg, "value", name, kd->dn);
346 ret = ldb_add(ctx, msg);
348 ret = ldb_modify(ctx, msg);
350 DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(parent->hive->backend_data)));
351 talloc_free(mem_ctx);
356 talloc_free(mem_ctx);
360 static struct hive_operations reg_backend_ldb = {
362 .add_key = ldb_add_key,
363 .del_key = ldb_del_key,
364 .open_hive = ldb_open_hive,
365 .open_key = ldb_open_key,
366 .get_value_by_index = ldb_get_value_by_id,
367 .get_subkey_by_index = ldb_get_subkey_by_id,
368 .set_value = ldb_set_value,
369 .del_value = ldb_del_value,
372 NTSTATUS registry_ldb_init(void)
374 return registry_register(®_backend_ldb);