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 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/>.
22 #include "lib/ldb/include/ldb.h"
23 #include "lib/ldb/include/ldb_errors.h"
25 #include "librpc/gen_ndr/winreg.h"
30 struct ldb_message **subkeys, **values;
31 int subkey_count, value_count;
34 static int ldb_free_hive (struct registry_hive *hive)
36 talloc_free(hive->backend_data);
37 hive->backend_data = NULL;
41 static void reg_ldb_unpack_value(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char **name, uint32_t *type, DATA_BLOB *data)
43 const struct ldb_val *val;
44 *name = talloc_strdup(mem_ctx, ldb_msg_find_attr_as_string(msg, "value", NULL));
45 *type = ldb_msg_find_attr_as_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, NULL);
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, NULL);
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(struct registry_key *key)
99 struct ldb_key_data *kd = talloc_get_type(key->backend_data, struct ldb_key_data);
100 /* struct ldb_context *c = key->hive->backend_data; */
103 talloc_free(kd->subkeys);
108 talloc_free(kd->values);
114 static struct ldb_dn *reg_path_to_ldb(TALLOC_CTX *mem_ctx, const struct registry_key *from, const char *path, const char *add)
116 TALLOC_CTX *local_ctx;
118 char *mypath = talloc_strdup(mem_ctx, path);
120 struct ldb_key_data *kd = talloc_get_type(from->backend_data, struct ldb_key_data);
121 struct ldb_context *ldb = talloc_get_type(from->hive->backend_data, struct ldb_context);
123 local_ctx = talloc_new(mem_ctx);
126 ret = ldb_dn_new(mem_ctx, ldb, add);
128 ret = ldb_dn_new(mem_ctx, ldb, NULL);
130 if ( ! ldb_dn_validate(ret)) {
132 talloc_free(local_ctx);
139 begin = strrchr(mypath, '\\');
141 if (begin) keyname = begin + 1;
142 else keyname = mypath;
144 if(strlen(keyname)) {
145 ldb_dn_add_base_fmt(ret, "key=%s", keyname);
155 ldb_dn_add_base(ret, kd->dn);
157 talloc_free(local_ctx);
163 static WERROR ldb_get_subkey_by_id(TALLOC_CTX *mem_ctx, const struct registry_key *k, int idx, struct registry_key **subkey)
165 struct ldb_context *c = talloc_get_type(k->hive->backend_data, struct ldb_context);
166 struct ldb_message_element *el;
167 struct ldb_key_data *kd = talloc_get_type(k->backend_data, struct ldb_key_data);
168 struct ldb_key_data *newkd;
170 /* Do a search if necessary */
171 if (kd->subkeys == NULL) {
172 struct ldb_result *res;
175 ret = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL, "(key=*)", NULL, &res);
177 if (ret != LDB_SUCCESS) {
178 DEBUG(0, ("Error getting subkeys for '%s': %s\n", ldb_dn_get_linearized(kd->dn), ldb_errstring(c)));
182 kd->subkey_count = res->count;
183 kd->subkeys = talloc_steal(kd, res->msgs);
187 if (idx >= kd->subkey_count) return WERR_NO_MORE_ITEMS;
189 el = ldb_msg_find_element(kd->subkeys[idx], "key");
191 *subkey = talloc(mem_ctx, struct registry_key);
192 talloc_set_destructor(*subkey, reg_close_ldb_key);
193 (*subkey)->name = talloc_strdup(mem_ctx, (char *)el->values[0].data);
194 (*subkey)->backend_data = newkd = talloc_zero(*subkey, struct ldb_key_data);
195 (*subkey)->last_mod = 0; /* TODO: we need to add this to the
196 ldb backend properly */
197 newkd->dn = ldb_dn_copy(mem_ctx, kd->subkeys[idx]->dn);
202 static WERROR ldb_get_value_by_id(TALLOC_CTX *mem_ctx, const struct registry_key *k, int idx, struct registry_value **value)
204 struct ldb_context *c = talloc_get_type(k->hive->backend_data, struct ldb_context);
205 struct ldb_key_data *kd = talloc_get_type(k->backend_data, struct ldb_key_data);
207 /* Do the search if necessary */
208 if (kd->values == NULL) {
209 struct ldb_result *res;
212 ret = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL, "(value=*)", NULL, &res);
214 if (ret != LDB_SUCCESS) {
215 DEBUG(0, ("Error getting values for '%s': %s\n", ldb_dn_get_linearized(kd->dn), ldb_errstring(c)));
218 kd->value_count = res->count;
219 kd->values = talloc_steal(kd, res->msgs);
223 if(idx >= kd->value_count) return WERR_NO_MORE_ITEMS;
225 *value = talloc(mem_ctx, struct registry_value);
227 reg_ldb_unpack_value(mem_ctx, kd->values[idx], &(*value)->name, &(*value)->data_type, &(*value)->data);
232 static WERROR ldb_open_key(TALLOC_CTX *mem_ctx, const struct registry_key *h, const char *name, struct registry_key **key)
234 struct ldb_context *c = talloc_get_type(h->hive->backend_data, struct ldb_context);
235 struct ldb_result *res;
236 struct ldb_dn *ldap_path;
238 struct ldb_key_data *newkd;
240 ldap_path = reg_path_to_ldb(mem_ctx, h, name, NULL);
242 ret = ldb_search(c, ldap_path, LDB_SCOPE_BASE, "(key=*)", NULL, &res);
244 if (ret != LDB_SUCCESS) {
245 DEBUG(0, ("Error opening key '%s': %s\n", ldb_dn_get_linearized(ldap_path), ldb_errstring(c)));
247 } else if (res->count == 0) {
252 *key = talloc(mem_ctx, struct registry_key);
253 talloc_set_destructor(*key, reg_close_ldb_key);
254 (*key)->name = talloc_strdup(mem_ctx, strrchr(name, '\\')?strchr(name, '\\'):name);
255 (*key)->backend_data = newkd = talloc_zero(*key, struct ldb_key_data);
256 newkd->dn = ldb_dn_copy(mem_ctx, res->msgs[0]->dn);
263 static WERROR ldb_open_hive(struct registry_hive *hive, struct registry_key **k)
265 struct ldb_key_data *kd;
266 struct ldb_context *wrap;
268 if (!hive->location) return WERR_INVALID_PARAM;
270 wrap = ldb_wrap_connect(hive, hive->location, hive->session_info, hive->credentials, 0, NULL);
273 DEBUG(1, ("ldb_open_hive: unable to connect\n"));
277 ldb_set_debug_stderr(wrap);
278 hive->backend_data = wrap;
280 *k = talloc_zero(hive, struct registry_key);
281 talloc_set_destructor (*k, reg_close_ldb_key);
282 talloc_set_destructor (hive, ldb_free_hive);
283 (*k)->name = talloc_strdup(*k, "");
284 (*k)->backend_data = kd = talloc_zero(*k, struct ldb_key_data);
285 kd->dn = ldb_dn_new(*k, wrap, "hive=NONE");
291 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)
293 struct ldb_context *ctx = talloc_get_type(parent->hive->backend_data, struct ldb_context);
294 struct ldb_message *msg;
295 struct ldb_key_data *newkd;
298 msg = ldb_msg_new(mem_ctx);
300 msg->dn = reg_path_to_ldb(msg, parent, name, NULL);
302 ldb_msg_add_string(msg, "key", talloc_strdup(mem_ctx, name));
304 ret = ldb_add(ctx, msg);
306 DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(ctx)));
310 *newkey = talloc_zero(mem_ctx, struct registry_key);
311 (*newkey)->name = talloc_strdup(mem_ctx, name);
313 (*newkey)->backend_data = newkd = talloc_zero(*newkey, struct ldb_key_data);
314 newkd->dn = talloc_steal(newkd, msg->dn);
319 static WERROR ldb_del_key (const struct registry_key *key, const char *child)
321 struct ldb_context *ctx = talloc_get_type(key->hive->backend_data, struct ldb_context);
323 struct ldb_key_data *kd = talloc_get_type(key->backend_data, struct ldb_key_data);
324 struct ldb_dn *childdn;
326 childdn = ldb_dn_copy(ctx, kd->dn);
327 ldb_dn_add_child_fmt(childdn, "key=%s", child);
329 ret = ldb_delete(ctx, childdn);
331 talloc_free(childdn);
334 DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(ctx)));
341 static WERROR ldb_del_value (const struct registry_key *key, const char *child)
344 struct ldb_context *ctx = talloc_get_type(key->hive->backend_data, struct ldb_context);
345 struct ldb_key_data *kd = talloc_get_type(key->backend_data, struct ldb_key_data);
346 struct ldb_dn *childdn;
348 childdn = ldb_dn_copy(ctx, kd->dn);
349 ldb_dn_add_child_fmt(childdn, "value=%s", child);
351 ret = ldb_delete(ctx, childdn);
353 talloc_free(childdn);
356 DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(ctx)));
363 static WERROR ldb_set_value (const struct registry_key *parent, const char *name, uint32_t type, DATA_BLOB data)
365 struct ldb_context *ctx = talloc_get_type(parent->hive->backend_data, struct ldb_context);
366 struct ldb_message *msg;
367 struct ldb_key_data *kd = talloc_get_type(parent->backend_data, struct ldb_key_data);
369 TALLOC_CTX *mem_ctx = talloc_init("ldb_set_value");
371 msg = reg_ldb_pack_value(ctx, mem_ctx, name, type, data);
373 msg->dn = ldb_dn_copy(msg, kd->dn);
374 ldb_dn_add_child_fmt(msg->dn, "value=%s", name);
376 ret = ldb_add(ctx, msg);
378 ret = ldb_modify(ctx, msg);
380 DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(ctx)));
381 talloc_free(mem_ctx);
386 talloc_free(mem_ctx);
390 static struct hive_operations reg_backend_ldb = {
392 .add_key = ldb_add_key,
393 .del_key = ldb_del_key,
394 .open_hive = ldb_open_hive,
395 .open_key = ldb_open_key,
396 .get_value_by_index = ldb_get_value_by_id,
397 .get_subkey_by_index = ldb_get_subkey_by_id,
398 .set_value = ldb_set_value,
399 .del_value = ldb_del_value,
402 NTSTATUS registry_ldb_init(void)
404 return registry_register(®_backend_ldb);