2 Unix SMB/CIFS implementation.
4 LDB based services configuration
6 Copyright (C) Simo Sorce 2006
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "ldb/include/ldb.h"
24 #include "ldb/include/ldb_errors.h"
25 #include "auth/auth.h"
27 #include "param/share.h"
28 #include "param/param.h"
30 static NTSTATUS sldb_init(TALLOC_CTX *mem_ctx, const struct share_ops *ops, struct share_context **ctx)
32 struct ldb_context *sdb;
34 *ctx = talloc(mem_ctx, struct share_context);
36 DEBUG(0, ("ERROR: Out of memory!\n"));
37 return NT_STATUS_NO_MEMORY;
40 sdb = ldb_wrap_connect(*ctx, global_loadparm,
41 private_path(*ctx, global_loadparm, "share.ldb"),
42 system_session(*ctx, global_loadparm),
47 return NT_STATUS_UNSUCCESSFUL;
51 (*ctx)->priv_data = (void *)sdb;
56 static const char *sldb_string_option(struct share_config *scfg, const char *opt_name, const char *defval)
58 struct ldb_message *msg;
59 struct ldb_message_element *el;
61 if (scfg == NULL) return defval;
63 msg = talloc_get_type(scfg->opaque, struct ldb_message);
65 if (strchr(opt_name, ':')) {
68 name = talloc_strdup(scfg, opt_name);
72 p = strchr(name, ':');
75 el = ldb_msg_find_element(msg, name);
77 el = ldb_msg_find_element(msg, opt_name);
84 return (const char *)(el->values[0].data);
87 static int sldb_int_option(struct share_config *scfg, const char *opt_name, int defval)
92 val = sldb_string_option(scfg, opt_name, NULL);
93 if (val == NULL) return defval;
96 ret = (int)strtol(val, NULL, 10);
102 static bool sldb_bool_option(struct share_config *scfg, const char *opt_name, bool defval)
106 val = sldb_string_option(scfg, opt_name, NULL);
107 if (val == NULL) return defval;
109 if (strcasecmp(val, "true") == 0) return true;
114 static const char **sldb_string_list_option(TALLOC_CTX *mem_ctx, struct share_config *scfg, const char *opt_name)
116 struct ldb_message *msg;
117 struct ldb_message_element *el;
121 if (scfg == NULL) return NULL;
123 msg = talloc_get_type(scfg->opaque, struct ldb_message);
125 if (strchr(opt_name, ':')) {
128 name = talloc_strdup(scfg, opt_name);
132 p = strchr(name, ':');
135 el = ldb_msg_find_element(msg, name);
137 el = ldb_msg_find_element(msg, opt_name);
144 list = talloc_array(mem_ctx, const char *, el->num_values + 1);
145 if (!list) return NULL;
147 for (i = 0; i < el->num_values; i++) {
148 list[i] = (const char *)(el->values[i].data);
155 static NTSTATUS sldb_list_all(TALLOC_CTX *mem_ctx,
156 struct share_context *ctx,
162 struct ldb_context *ldb;
163 struct ldb_result *res;
166 tmp_ctx = talloc_new(mem_ctx);
168 DEBUG(0,("ERROR: Out of memory!\n"));
169 return NT_STATUS_NO_MEMORY;
172 ldb = talloc_get_type(ctx->priv_data, struct ldb_context);
174 ret = ldb_search(ldb, ldb_dn_new(tmp_ctx, ldb, "CN=SHARES"), LDB_SCOPE_SUBTREE, "(name=*)", NULL, &res);
175 talloc_steal(tmp_ctx, res);
176 if (ret != LDB_SUCCESS) {
177 talloc_free(tmp_ctx);
178 return NT_STATUS_INTERNAL_DB_CORRUPTION;
181 n = talloc_array(mem_ctx, const char *, res->count);
183 DEBUG(0,("ERROR: Out of memory!\n"));
184 talloc_free(tmp_ctx);
185 return NT_STATUS_NO_MEMORY;
188 for (i = 0, j = 0; i < res->count; i++) {
189 n[j] = talloc_strdup(n, ldb_msg_find_attr_as_string(res->msgs[i], "name", NULL));
191 DEBUG(0,("WARNING: Malformed share object in share database\n!"));
199 talloc_free(tmp_ctx);
204 static NTSTATUS sldb_get_config(TALLOC_CTX *mem_ctx,
205 struct share_context *ctx,
207 struct share_config **scfg)
210 struct share_config *s;
211 struct ldb_context *ldb;
212 struct ldb_result *res;
215 tmp_ctx = talloc_new(mem_ctx);
217 DEBUG(0,("ERROR: Out of memory!\n"));
218 return NT_STATUS_NO_MEMORY;
221 ldb = talloc_get_type(ctx->priv_data, struct ldb_context);
223 ret = ldb_search_exp_fmt(ldb, tmp_ctx, &res,
224 ldb_dn_new(tmp_ctx, ldb, "CN=SHARES"), LDB_SCOPE_SUBTREE, NULL,
226 if (ret != LDB_SUCCESS || res->count > 1) {
227 talloc_free(tmp_ctx);
228 return NT_STATUS_INTERNAL_DB_CORRUPTION;
229 } else if (res->count != 1) {
230 talloc_free(tmp_ctx);
231 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
234 s = talloc(tmp_ctx, struct share_config);
236 DEBUG(0,("ERROR: Out of memory!\n"));
237 talloc_free(tmp_ctx);
238 return NT_STATUS_NO_MEMORY;
241 s->name = talloc_strdup(s, ldb_msg_find_attr_as_string(res->msgs[0], "name", NULL));
243 DEBUG(0,("ERROR: Invalid share object!\n"));
244 talloc_free(tmp_ctx);
245 return NT_STATUS_UNSUCCESSFUL;
248 s->opaque = talloc_steal(s, res->msgs[0]);
250 DEBUG(0,("ERROR: Invalid share object!\n"));
251 talloc_free(tmp_ctx);
252 return NT_STATUS_UNSUCCESSFUL;
257 *scfg = talloc_steal(mem_ctx, s);
259 talloc_free(tmp_ctx);
263 #define SHARE_ADD_STRING(name, value) do { \
264 err = ldb_msg_add_string(msg, name, value); \
265 if (err != LDB_SUCCESS) { \
266 DEBUG(2,("ERROR: unable to add string share option %s to ldb msg\n", name)); \
267 ret = NT_STATUS_UNSUCCESSFUL; \
271 #define SHARE_ADD_INT(name, value) do { \
272 err = ldb_msg_add_fmt(msg, name, "%d", value); \
273 if (err != LDB_SUCCESS) { \
274 DEBUG(2,("ERROR: unable to add integer share option %s to ldb msg\n", name)); \
275 ret = NT_STATUS_UNSUCCESSFUL; \
279 #define SHARE_ADD_BLOB(name, value) do { \
280 err = ldb_msg_add_value(msg, name, value, NULL); \
281 if (err != LDB_SUCCESS) { \
282 DEBUG(2,("ERROR: unable to add blob share option %s to ldb msg\n", name)); \
283 ret = NT_STATUS_UNSUCCESSFUL; \
287 NTSTATUS sldb_create(struct share_context *ctx, const char *name, struct share_info *info, int count)
289 struct ldb_context *ldb;
290 struct ldb_message *msg;
295 for (i = 0, j = 0; i < count && j != 0x03; i++) {
296 if (strcasecmp(info[i].name, SHARE_TYPE) == 0) j |= 0x02;
297 if (strcasecmp(info[i].name, SHARE_PATH) == 0) j |= 0x01;
298 if (strcasecmp(info[i].name, SHARE_NAME) == 0) {
299 if (strcasecmp(name, (char *)info[i].value) != 0) {
300 return NT_STATUS_INVALID_PARAMETER;
304 if (!name || j != 0x03) {
305 return NT_STATUS_INVALID_PARAMETER;
308 tmp_ctx = talloc_new(NULL);
310 DEBUG(0,("ERROR: Out of memory!\n"));
311 return NT_STATUS_NO_MEMORY;
314 ldb = talloc_get_type(ctx->priv_data, struct ldb_context);
316 msg = ldb_msg_new(tmp_ctx);
318 DEBUG(0,("ERROR: Out of memory!\n"));
319 ret = NT_STATUS_NO_MEMORY;
323 /* TODO: escape info->name */
324 msg->dn = ldb_dn_new_fmt(tmp_ctx, ldb, "CN=%s,CN=SHARES", name);
326 DEBUG(0,("ERROR: Out of memory!\n"));
327 ret = NT_STATUS_NO_MEMORY;
331 SHARE_ADD_STRING("objectClass", "top");
332 SHARE_ADD_STRING("objectClass", "share");
333 SHARE_ADD_STRING("cn", name);
334 SHARE_ADD_STRING(SHARE_NAME, name);
336 for (i = 0; i < count; i++) {
337 if (strcasecmp(info[i].name, SHARE_NAME) == 0) continue;
339 switch (info[i].type) {
340 case SHARE_INFO_STRING:
341 SHARE_ADD_STRING(info[i].name, (char *)info[i].value);
344 SHARE_ADD_INT(info[i].name, *((int *)info[i].value));
346 case SHARE_INFO_BLOB:
347 SHARE_ADD_BLOB(info[i].name, (DATA_BLOB *)info[i].value);
350 DEBUG(2,("ERROR: Invalid share info type for %s\n", info[i].name));
351 ret = NT_STATUS_INVALID_PARAMETER;
356 /* TODO: Security Descriptor */
358 SHARE_ADD_STRING(SHARE_AVAILABLE, "true");
359 SHARE_ADD_STRING(SHARE_BROWSEABLE, "true");
360 SHARE_ADD_STRING(SHARE_READONLY, "false");
361 SHARE_ADD_STRING(SHARE_NTVFS_HANDLER, "unixuid");
362 SHARE_ADD_STRING(SHARE_NTVFS_HANDLER, "posix");
364 err = ldb_add(ldb, msg);
365 if (err != LDB_SUCCESS) {
366 DEBUG(2,("ERROR: unable to add share %s to share.ldb\n"
367 " err=%d [%s]\n", name, err, ldb_errstring(ldb)));
368 if (err == LDB_ERR_NO_SUCH_OBJECT) {
369 ret = NT_STATUS_OBJECT_NAME_NOT_FOUND;
370 } else if (err == LDB_ERR_ENTRY_ALREADY_EXISTS) {
371 ret = NT_STATUS_OBJECT_NAME_COLLISION;
373 ret = NT_STATUS_UNSUCCESSFUL;
380 talloc_free(tmp_ctx);
384 #define SHARE_MOD_STRING(name, value) do { \
385 err = ldb_msg_add_empty(msg, name, LDB_FLAG_MOD_REPLACE, NULL); \
386 if (err != LDB_SUCCESS) { \
387 DEBUG(2,("ERROR: unable to add string share option %s to ldb msg\n", name)); \
388 ret = NT_STATUS_UNSUCCESSFUL; \
391 err = ldb_msg_add_string(msg, name, value); \
392 if (err != LDB_SUCCESS) { \
393 DEBUG(2,("ERROR: unable to add string share option %s to ldb msg\n", name)); \
394 ret = NT_STATUS_UNSUCCESSFUL; \
398 #define SHARE_MOD_INT(name, value) do { \
399 err = ldb_msg_add_empty(msg, name, LDB_FLAG_MOD_REPLACE, NULL); \
400 if (err != LDB_SUCCESS) { \
401 DEBUG(2,("ERROR: unable to add string share option %s to ldb msg\n", name)); \
402 ret = NT_STATUS_UNSUCCESSFUL; \
405 err = ldb_msg_add_fmt(msg, name, "%d", value); \
406 if (err != LDB_SUCCESS) { \
407 DEBUG(2,("ERROR: unable to add integer share option %s to ldb msg\n", name)); \
408 ret = NT_STATUS_UNSUCCESSFUL; \
412 #define SHARE_MOD_BLOB(name, value) do { \
413 err = ldb_msg_add_empty(msg, name, LDB_FLAG_MOD_REPLACE, NULL); \
414 if (err != LDB_SUCCESS) { \
415 DEBUG(2,("ERROR: unable to add string share option %s to ldb msg\n", name)); \
416 ret = NT_STATUS_UNSUCCESSFUL; \
419 err = ldb_msg_add_value(msg, name, value, NULL); \
420 if (err != LDB_SUCCESS) { \
421 DEBUG(2,("ERROR: unable to add blob share option %s to ldb msg\n", name)); \
422 ret = NT_STATUS_UNSUCCESSFUL; \
426 NTSTATUS sldb_set(struct share_context *ctx, const char *name, struct share_info *info, int count)
428 struct ldb_context *ldb;
429 struct ldb_message *msg;
432 bool do_rename = false;
437 return NT_STATUS_INVALID_PARAMETER;
440 tmp_ctx = talloc_new(NULL);
442 DEBUG(0,("ERROR: Out of memory!\n"));
443 return NT_STATUS_NO_MEMORY;
446 ldb = talloc_get_type(ctx->priv_data, struct ldb_context);
448 msg = ldb_msg_new(tmp_ctx);
450 DEBUG(0,("ERROR: Out of memory!\n"));
451 ret = NT_STATUS_NO_MEMORY;
455 /* TODO: escape name */
456 msg->dn = ldb_dn_new_fmt(tmp_ctx, ldb, "CN=%s,CN=SHARES", name);
458 DEBUG(0,("ERROR: Out of memory!\n"));
459 ret = NT_STATUS_NO_MEMORY;
463 for (i = 0; i < count; i++) {
464 if (strcasecmp(info[i].name, SHARE_NAME) == 0) {
465 if (strcasecmp(name, (char *)info[i].value) != 0) {
467 newname = (char *)info[i].value;
468 SHARE_MOD_STRING("cn", (char *)info[i].value);
472 switch (info[i].type) {
473 case SHARE_INFO_STRING:
474 SHARE_MOD_STRING(info[i].name, (char *)info[i].value);
477 SHARE_MOD_INT(info[i].name, *((int *)info[i].value));
479 case SHARE_INFO_BLOB:
480 SHARE_MOD_BLOB(info[i].name, (DATA_BLOB *)info[i].value);
483 DEBUG(2,("ERROR: Invalid share info type for %s\n", info[i].name));
484 ret = NT_STATUS_INVALID_PARAMETER;
490 struct ldb_dn *olddn, *newdn;
494 /* TODO: escape newname */
495 newdn = ldb_dn_new_fmt(tmp_ctx, ldb, "CN=%s,CN=SHARES", newname);
497 DEBUG(0,("ERROR: Out of memory!\n"));
498 ret = NT_STATUS_NO_MEMORY;
502 err = ldb_rename(ldb, olddn, newdn);
503 if (err != LDB_SUCCESS) {
504 DEBUG(2,("ERROR: unable to rename share %s (to %s)\n"
505 " err=%d [%s]\n", name, newname, err, ldb_errstring(ldb)));
506 if (err == LDB_ERR_NO_SUCH_OBJECT) {
507 ret = NT_STATUS_OBJECT_NAME_COLLISION;
509 ret = NT_STATUS_UNSUCCESSFUL;
517 err = ldb_modify(ldb, msg);
518 if (err != LDB_SUCCESS) {
519 DEBUG(2,("ERROR: unable to add share %s to share.ldb\n"
520 " err=%d [%s]\n", name, err, ldb_errstring(ldb)));
521 if (err == LDB_ERR_NO_SUCH_OBJECT) {
522 ret = NT_STATUS_OBJECT_NAME_COLLISION;
524 ret = NT_STATUS_UNSUCCESSFUL;
531 talloc_free(tmp_ctx);
535 NTSTATUS sldb_remove(struct share_context *ctx, const char *name)
537 struct ldb_context *ldb;
543 tmp_ctx = talloc_new(NULL);
545 DEBUG(0,("ERROR: Out of memory!\n"));
546 return NT_STATUS_NO_MEMORY;
549 ldb = talloc_get_type(ctx->priv_data, struct ldb_context);
551 dn = ldb_dn_new_fmt(tmp_ctx, ldb, "CN=%s,CN=SHARES", name);
553 DEBUG(0,("ERROR: Out of memory!\n"));
554 ret = NT_STATUS_NO_MEMORY;
558 err = ldb_delete(ldb, dn);
559 if (err != LDB_SUCCESS) {
560 DEBUG(2,("ERROR: unable to remove share %s from share.ldb\n"
561 " err=%d [%s]\n", name, err, ldb_errstring(ldb)));
562 ret = NT_STATUS_UNSUCCESSFUL;
568 talloc_free(tmp_ctx);
572 static const struct share_ops ops = {
575 .string_option = sldb_string_option,
576 .int_option = sldb_int_option,
577 .bool_option = sldb_bool_option,
578 .string_list_option = sldb_string_list_option,
579 .list_all = sldb_list_all,
580 .get_config = sldb_get_config,
581 .create = sldb_create,
583 .remove = sldb_remove
586 NTSTATUS share_ldb_init(void)
588 return share_register(&ops);