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"
24 #include "lib/ldb/include/ldb_errors.h"
26 #include "librpc/gen_ndr/winreg.h"
31 struct ldb_message **subkeys, **values;
32 int subkey_count, value_count;
35 static int ldb_free_hive (struct registry_hive *hive)
37 talloc_free(hive->backend_data);
38 hive->backend_data = NULL;
42 static void reg_ldb_unpack_value(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char **name, uint32_t *type, DATA_BLOB *data)
44 const struct ldb_val *val;
45 *name = talloc_strdup(mem_ctx, ldb_msg_find_attr_as_string(msg, "value", NULL));
46 *type = ldb_msg_find_attr_as_uint(msg, "type", 0);
47 val = ldb_msg_find_ldb_val(msg, "data");
53 data->length = convert_string_talloc(mem_ctx, CH_UTF8, CH_UTF16, val->data, val->length, (void **)&data->data);
57 uint32_t tmp = strtoul((char *)val->data, NULL, 0);
58 *data = data_blob_talloc(mem_ctx, &tmp, 4);
63 *data = data_blob_talloc(mem_ctx, val->data, val->length);
68 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)
71 struct ldb_message *msg = talloc_zero(mem_ctx, struct ldb_message);
74 ldb_msg_add_string(msg, "value", talloc_strdup(mem_ctx, name));
79 val.length = convert_string_talloc(mem_ctx, CH_UTF16, CH_UTF8, (void *)data.data, data.length, (void **)&val.data);
80 ldb_msg_add_value(msg, "data", &val, NULL);
84 ldb_msg_add_string(msg, "data", talloc_asprintf(mem_ctx, "0x%x", IVAL(data.data, 0)));
87 ldb_msg_add_value(msg, "data", &data, NULL);
91 type_s = talloc_asprintf(mem_ctx, "%u", type);
92 ldb_msg_add_string(msg, "type", type_s);
98 static int reg_close_ldb_key(struct registry_key *key)
100 struct ldb_key_data *kd = talloc_get_type(key->backend_data, struct ldb_key_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;
119 char *mypath = talloc_strdup(mem_ctx, path);
121 struct ldb_key_data *kd = talloc_get_type(from->backend_data, struct ldb_key_data);
122 struct ldb_context *ldb = talloc_get_type(from->hive->backend_data, struct ldb_context);
124 local_ctx = talloc_new(mem_ctx);
127 ret = ldb_dn_new(mem_ctx, ldb, add);
129 ret = ldb_dn_new(mem_ctx, ldb, NULL);
131 if ( ! ldb_dn_validate(ret)) {
133 talloc_free(local_ctx);
140 begin = strrchr(mypath, '\\');
142 if (begin) keyname = begin + 1;
143 else keyname = mypath;
145 if(strlen(keyname)) {
146 ldb_dn_add_base_fmt(ret, "key=%s", keyname);
156 ldb_dn_add_base(ret, kd->dn);
158 talloc_free(local_ctx);
164 static WERROR ldb_get_subkey_by_id(TALLOC_CTX *mem_ctx, const struct registry_key *k, int idx, struct registry_key **subkey)
166 struct ldb_context *c = talloc_get_type(k->hive->backend_data, struct ldb_context);
167 struct ldb_message_element *el;
168 struct ldb_key_data *kd = talloc_get_type(k->backend_data, struct ldb_key_data);
169 struct ldb_key_data *newkd;
171 /* Do a search if necessary */
172 if (kd->subkeys == NULL) {
173 struct ldb_result *res;
176 ret = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL, "(key=*)", NULL, &res);
178 if (ret != LDB_SUCCESS) {
179 DEBUG(0, ("Error getting subkeys for '%s': %s\n", ldb_dn_linearize(mem_ctx, kd->dn), ldb_errstring(c)));
183 kd->subkey_count = res->count;
184 kd->subkeys = talloc_steal(kd, res->msgs);
188 if (idx >= kd->subkey_count) return WERR_NO_MORE_ITEMS;
190 el = ldb_msg_find_element(kd->subkeys[idx], "key");
192 *subkey = talloc(mem_ctx, struct registry_key);
193 talloc_set_destructor(*subkey, reg_close_ldb_key);
194 (*subkey)->name = talloc_strdup(mem_ctx, (char *)el->values[0].data);
195 (*subkey)->backend_data = newkd = talloc_zero(*subkey, struct ldb_key_data);
196 (*subkey)->last_mod = 0; /* TODO: we need to add this to the
197 ldb backend properly */
198 newkd->dn = ldb_dn_copy(mem_ctx, kd->subkeys[idx]->dn);
203 static WERROR ldb_get_value_by_id(TALLOC_CTX *mem_ctx, const struct registry_key *k, int idx, struct registry_value **value)
205 struct ldb_context *c = talloc_get_type(k->hive->backend_data, struct ldb_context);
206 struct ldb_key_data *kd = talloc_get_type(k->backend_data, struct ldb_key_data);
208 /* Do the search if necessary */
209 if (kd->values == NULL) {
210 struct ldb_result *res;
213 ret = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL, "(value=*)", NULL, &res);
215 if (ret != LDB_SUCCESS) {
216 DEBUG(0, ("Error getting values for '%s': %s\n", ldb_dn_linearize(mem_ctx, kd->dn), ldb_errstring(c)));
219 kd->value_count = res->count;
220 kd->values = talloc_steal(kd, res->msgs);
224 if(idx >= kd->value_count) return WERR_NO_MORE_ITEMS;
226 *value = talloc(mem_ctx, struct registry_value);
228 reg_ldb_unpack_value(mem_ctx, kd->values[idx], &(*value)->name, &(*value)->data_type, &(*value)->data);
233 static WERROR ldb_open_key(TALLOC_CTX *mem_ctx, const struct registry_key *h, const char *name, struct registry_key **key)
235 struct ldb_context *c = talloc_get_type(h->hive->backend_data, struct ldb_context);
236 struct ldb_result *res;
237 struct ldb_dn *ldap_path;
239 struct ldb_key_data *newkd;
241 ldap_path = reg_path_to_ldb(mem_ctx, h, name, NULL);
243 ret = ldb_search(c, ldap_path, LDB_SCOPE_BASE, "(key=*)", NULL, &res);
245 if (ret != LDB_SUCCESS) {
246 DEBUG(0, ("Error opening key '%s': %s\n", ldb_dn_linearize(ldap_path, ldap_path), ldb_errstring(c)));
248 } else if (res->count == 0) {
253 *key = talloc(mem_ctx, struct registry_key);
254 talloc_set_destructor(*key, reg_close_ldb_key);
255 (*key)->name = talloc_strdup(mem_ctx, strrchr(name, '\\')?strchr(name, '\\'):name);
256 (*key)->backend_data = newkd = talloc_zero(*key, struct ldb_key_data);
257 newkd->dn = ldb_dn_copy(mem_ctx, res->msgs[0]->dn);
264 static WERROR ldb_open_hive(struct registry_hive *hive, struct registry_key **k)
266 struct ldb_key_data *kd;
267 struct ldb_context *wrap;
269 if (!hive->location) return WERR_INVALID_PARAM;
271 wrap = ldb_wrap_connect(hive, hive->location, hive->session_info, hive->credentials, 0, NULL);
274 DEBUG(1, ("ldb_open_hive: unable to connect\n"));
278 ldb_set_debug_stderr(wrap);
279 hive->backend_data = wrap;
281 *k = talloc_zero(hive, struct registry_key);
282 talloc_set_destructor (*k, reg_close_ldb_key);
283 talloc_set_destructor (hive, ldb_free_hive);
284 (*k)->name = talloc_strdup(*k, "");
285 (*k)->backend_data = kd = talloc_zero(*k, struct ldb_key_data);
286 kd->dn = ldb_dn_new(*k, wrap, "hive=NONE");
292 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)
294 struct ldb_context *ctx = talloc_get_type(parent->hive->backend_data, struct ldb_context);
295 struct ldb_message *msg;
296 struct ldb_key_data *newkd;
299 msg = ldb_msg_new(mem_ctx);
301 msg->dn = reg_path_to_ldb(msg, parent, name, NULL);
303 ldb_msg_add_string(msg, "key", talloc_strdup(mem_ctx, name));
305 ret = ldb_add(ctx, msg);
307 DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(ctx)));
311 *newkey = talloc_zero(mem_ctx, struct registry_key);
312 (*newkey)->name = talloc_strdup(mem_ctx, name);
314 (*newkey)->backend_data = newkd = talloc_zero(*newkey, struct ldb_key_data);
315 newkd->dn = talloc_steal(newkd, msg->dn);
320 static WERROR ldb_del_key (const struct registry_key *key, const char *child)
322 struct ldb_context *ctx = talloc_get_type(key->hive->backend_data, struct ldb_context);
324 struct ldb_key_data *kd = talloc_get_type(key->backend_data, struct ldb_key_data);
325 struct ldb_dn *childdn;
327 childdn = ldb_dn_copy(ctx, kd->dn);
328 ldb_dn_add_child_fmt(childdn, "key=%s", child);
330 ret = ldb_delete(ctx, childdn);
332 talloc_free(childdn);
335 DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(ctx)));
342 static WERROR ldb_del_value (const struct registry_key *key, const char *child)
345 struct ldb_context *ctx = talloc_get_type(key->hive->backend_data, struct ldb_context);
346 struct ldb_key_data *kd = talloc_get_type(key->backend_data, struct ldb_key_data);
347 struct ldb_dn *childdn;
349 childdn = ldb_dn_copy(ctx, kd->dn);
350 ldb_dn_add_child_fmt(childdn, "value=%s", child);
352 ret = ldb_delete(ctx, childdn);
354 talloc_free(childdn);
357 DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(ctx)));
364 static WERROR ldb_set_value (const struct registry_key *parent, const char *name, uint32_t type, DATA_BLOB data)
366 struct ldb_context *ctx = talloc_get_type(parent->hive->backend_data, struct ldb_context);
367 struct ldb_message *msg;
368 struct ldb_key_data *kd = talloc_get_type(parent->backend_data, struct ldb_key_data);
370 TALLOC_CTX *mem_ctx = talloc_init("ldb_set_value");
372 msg = reg_ldb_pack_value(ctx, mem_ctx, name, type, data);
374 msg->dn = ldb_dn_copy(msg, kd->dn);
375 ldb_dn_add_child_fmt(msg->dn, "value=%s", name);
377 ret = ldb_add(ctx, msg);
379 ret = ldb_modify(ctx, msg);
381 DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(ctx)));
382 talloc_free(mem_ctx);
387 talloc_free(mem_ctx);
391 static struct hive_operations reg_backend_ldb = {
393 .add_key = ldb_add_key,
394 .del_key = ldb_del_key,
395 .open_hive = ldb_open_hive,
396 .open_key = ldb_open_key,
397 .get_value_by_index = ldb_get_value_by_id,
398 .get_subkey_by_index = ldb_get_subkey_by_id,
399 .set_value = ldb_set_value,
400 .del_value = ldb_del_value,
403 NTSTATUS registry_ldb_init(void)
405 return registry_register(®_backend_ldb);