2 * Unix SMB/CIFS implementation.
3 * libsmbconf - Samba configuration library
4 * Copyright (C) Michael Adam 2007-2008
5 * Copyright (C) Guenther Deschner 2007
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include "smbconf_private.h"
24 /**********************************************************************
26 * internal helper functions
28 **********************************************************************/
30 static sbcErr smbconf_global_check(struct smbconf_ctx *ctx)
32 if (!smbconf_share_exists(ctx, GLOBAL_NAME)) {
33 return smbconf_create_share(ctx, GLOBAL_NAME);
40 /**********************************************************************
42 * The actual libsmbconf API functions that are exported.
44 **********************************************************************/
46 const char *sbcErrorString(sbcErr error)
51 case SBC_ERR_NOT_IMPLEMENTED:
52 return "SBC_ERR_NOT_IMPLEMENTED";
53 case SBC_ERR_NOT_SUPPORTED:
54 return "SBC_ERR_NOT_SUPPORTED";
55 case SBC_ERR_UNKNOWN_FAILURE:
56 return "SBC_ERR_UNKNOWN_FAILURE";
58 return "SBC_ERR_NOMEM";
59 case SBC_ERR_INVALID_PARAM:
60 return "SBC_ERR_INVALID_PARAM";
62 return "SBC_ERR_BADFILE";
63 case SBC_ERR_NO_SUCH_SERVICE:
64 return "SBC_ERR_NO_SUCH_SERVICE";
65 case SBC_ERR_IO_FAILURE:
66 return "SBC_ERR_IO_FAILURE";
67 case SBC_ERR_CAN_NOT_COMPLETE:
68 return "SBC_ERR_CAN_NOT_COMPLETE";
69 case SBC_ERR_NO_MORE_ITEMS:
70 return "SBC_ERR_NO_MORE_ITEMS";
71 case SBC_ERR_FILE_EXISTS:
72 return "SBC_ERR_FILE_EXISTS";
73 case SBC_ERR_ACCESS_DENIED:
74 return "SBC_ERR_ACCESS_DENIED";
77 return "unknown sbcErr value";
82 * Tell whether the backend requires messaging to be set up
83 * for the backend to work correctly.
85 bool smbconf_backend_requires_messaging(struct smbconf_ctx *ctx)
87 return ctx->ops->requires_messaging(ctx);
91 * Tell whether the source is writeable.
93 bool smbconf_is_writeable(struct smbconf_ctx *ctx)
95 return ctx->ops->is_writeable(ctx);
99 * Close the configuration.
101 void smbconf_shutdown(struct smbconf_ctx *ctx)
107 * Detect changes in the configuration.
108 * The given csn struct is filled with the current csn.
109 * smbconf_changed() can also be used for initial retrieval
112 bool smbconf_changed(struct smbconf_ctx *ctx, struct smbconf_csn *csn,
113 const char *service, const char *param)
115 struct smbconf_csn old_csn;
123 ctx->ops->get_csn(ctx, csn, service, param);
124 return (csn->csn != old_csn.csn);
128 * Drop the whole configuration (restarting empty).
130 sbcErr smbconf_drop(struct smbconf_ctx *ctx)
132 return ctx->ops->drop(ctx);
136 * Get the whole configuration as lists of strings with counts:
138 * num_shares : number of shares
139 * share_names : list of length num_shares of share names
140 * num_params : list of length num_shares of parameter counts for each share
141 * param_names : list of lists of parameter names for each share
142 * param_values : list of lists of parameter values for each share
144 sbcErr smbconf_get_config(struct smbconf_ctx *ctx,
146 uint32_t *num_shares,
147 struct smbconf_service ***services)
150 TALLOC_CTX *tmp_ctx = NULL;
151 uint32_t tmp_num_shares;
152 char **tmp_share_names;
153 struct smbconf_service **tmp_services;
156 if ((num_shares == NULL) || (services == NULL)) {
157 err = SBC_ERR_INVALID_PARAM;
161 tmp_ctx = talloc_stackframe();
163 err = smbconf_get_share_names(ctx, tmp_ctx, &tmp_num_shares,
165 if (!SBC_ERROR_IS_OK(err)) {
169 tmp_services = talloc_array(tmp_ctx, struct smbconf_service *,
171 if (tmp_services == NULL) {
176 for (count = 0; count < tmp_num_shares; count++) {
177 err = smbconf_get_share(ctx, tmp_services,
178 tmp_share_names[count],
179 &tmp_services[count]);
180 if (!SBC_ERROR_IS_OK(err)) {
187 *num_shares = tmp_num_shares;
188 if (tmp_num_shares > 0) {
189 *services = talloc_move(mem_ctx, &tmp_services);
195 talloc_free(tmp_ctx);
200 * get the list of share names defined in the configuration.
202 sbcErr smbconf_get_share_names(struct smbconf_ctx *ctx,
204 uint32_t *num_shares,
207 return ctx->ops->get_share_names(ctx, mem_ctx, num_shares,
212 * check if a share/service of a given name exists
214 bool smbconf_share_exists(struct smbconf_ctx *ctx,
215 const char *servicename)
217 return ctx->ops->share_exists(ctx, servicename);
221 * Add a service if it does not already exist.
223 sbcErr smbconf_create_share(struct smbconf_ctx *ctx,
224 const char *servicename)
226 if ((servicename != NULL) && smbconf_share_exists(ctx, servicename)) {
227 return SBC_ERR_FILE_EXISTS;
230 return ctx->ops->create_share(ctx, servicename);
234 * get a definition of a share (service) from configuration.
236 sbcErr smbconf_get_share(struct smbconf_ctx *ctx,
238 const char *servicename,
239 struct smbconf_service **service)
241 return ctx->ops->get_share(ctx, mem_ctx, servicename, service);
245 * delete a service from configuration
247 sbcErr smbconf_delete_share(struct smbconf_ctx *ctx, const char *servicename)
249 if (!smbconf_share_exists(ctx, servicename)) {
250 return SBC_ERR_NO_SUCH_SERVICE;
253 return ctx->ops->delete_share(ctx, servicename);
257 * set a configuration parameter to the value provided.
259 sbcErr smbconf_set_parameter(struct smbconf_ctx *ctx,
264 return ctx->ops->set_parameter(ctx, service, param, valstr);
268 * Set a global parameter
269 * (i.e. a parameter in the [global] service).
271 * This also creates [global] when it does not exist.
273 sbcErr smbconf_set_global_parameter(struct smbconf_ctx *ctx,
274 const char *param, const char *val)
278 err = smbconf_global_check(ctx);
279 if (!SBC_ERROR_IS_OK(err)) {
282 err = smbconf_set_parameter(ctx, GLOBAL_NAME, param, val);
288 * get the value of a configuration parameter as a string
290 sbcErr smbconf_get_parameter(struct smbconf_ctx *ctx,
296 if (valstr == NULL) {
297 return SBC_ERR_INVALID_PARAM;
300 return ctx->ops->get_parameter(ctx, mem_ctx, service, param, valstr);
304 * Get the value of a global parameter.
306 * Create [global] if it does not exist.
308 sbcErr smbconf_get_global_parameter(struct smbconf_ctx *ctx,
315 err = smbconf_global_check(ctx);
316 if (!SBC_ERROR_IS_OK(err)) {
320 err = smbconf_get_parameter(ctx, mem_ctx, GLOBAL_NAME, param,
327 * delete a parameter from configuration
329 sbcErr smbconf_delete_parameter(struct smbconf_ctx *ctx,
330 const char *service, const char *param)
332 return ctx->ops->delete_parameter(ctx, service, param);
336 * Delete a global parameter.
338 * Create [global] if it does not exist.
340 sbcErr smbconf_delete_global_parameter(struct smbconf_ctx *ctx,
345 err = smbconf_global_check(ctx);
346 if (!SBC_ERROR_IS_OK(err)) {
349 err = smbconf_delete_parameter(ctx, GLOBAL_NAME, param);
354 sbcErr smbconf_get_includes(struct smbconf_ctx *ctx,
357 uint32_t *num_includes, char ***includes)
359 return ctx->ops->get_includes(ctx, mem_ctx, service, num_includes,
363 sbcErr smbconf_get_global_includes(struct smbconf_ctx *ctx,
365 uint32_t *num_includes, char ***includes)
369 err = smbconf_global_check(ctx);
370 if (!SBC_ERROR_IS_OK(err)) {
373 err = smbconf_get_includes(ctx, mem_ctx, GLOBAL_NAME,
374 num_includes, includes);
379 sbcErr smbconf_set_includes(struct smbconf_ctx *ctx,
381 uint32_t num_includes, const char **includes)
383 return ctx->ops->set_includes(ctx, service, num_includes, includes);
386 sbcErr smbconf_set_global_includes(struct smbconf_ctx *ctx,
387 uint32_t num_includes,
388 const char **includes)
392 err = smbconf_global_check(ctx);
393 if (!SBC_ERROR_IS_OK(err)) {
396 err = smbconf_set_includes(ctx, GLOBAL_NAME,
397 num_includes, includes);
403 sbcErr smbconf_delete_includes(struct smbconf_ctx *ctx, const char *service)
405 return ctx->ops->delete_includes(ctx, service);
408 sbcErr smbconf_delete_global_includes(struct smbconf_ctx *ctx)
412 err = smbconf_global_check(ctx);
413 if (!SBC_ERROR_IS_OK(err)) {
416 err = smbconf_delete_includes(ctx, GLOBAL_NAME);
421 sbcErr smbconf_transaction_start(struct smbconf_ctx *ctx)
423 return ctx->ops->transaction_start(ctx);
426 sbcErr smbconf_transaction_commit(struct smbconf_ctx *ctx)
428 return ctx->ops->transaction_commit(ctx);
431 sbcErr smbconf_transaction_cancel(struct smbconf_ctx *ctx)
433 return ctx->ops->transaction_cancel(ctx);